diff --git a/MAINTAINERS b/MAINTAINERS index 52f1a55eca99..fc8f9e38b6ba 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19536,6 +19536,13 @@ S: Maintained F: Documentation/devicetree/bindings/ptp/nxp,ptp-netc.yaml F: drivers/ptp/ptp_netc.c +NXP NXPWIFI WIRELESS DRIVER +M: Jeff Chen +R: Francesco Dolcini +L: linux-wireless@vger.kernel.org +S: Maintained +F: drivers/net/wireless/nxp/nxpwifi + NXP PF5300/PF5301/PF5302 PMIC REGULATOR DEVICE DRIVER M: Woodrow Douglass S: Maintained diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index c6599594dc99..4d7b81182925 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -27,6 +27,7 @@ source "drivers/net/wireless/intersil/Kconfig" source "drivers/net/wireless/marvell/Kconfig" source "drivers/net/wireless/mediatek/Kconfig" source "drivers/net/wireless/microchip/Kconfig" +source "drivers/net/wireless/nxp/Kconfig" source "drivers/net/wireless/purelifi/Kconfig" source "drivers/net/wireless/ralink/Kconfig" source "drivers/net/wireless/realtek/Kconfig" diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index e1c4141c6004..0c6b3cc719db 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_WLAN_VENDOR_INTERSIL) += intersil/ obj-$(CONFIG_WLAN_VENDOR_MARVELL) += marvell/ obj-$(CONFIG_WLAN_VENDOR_MEDIATEK) += mediatek/ obj-$(CONFIG_WLAN_VENDOR_MICROCHIP) += microchip/ +obj-$(CONFIG_WLAN_VENDOR_NXP) += nxp/ obj-$(CONFIG_WLAN_VENDOR_PURELIFI) += purelifi/ obj-$(CONFIG_WLAN_VENDOR_QUANTENNA) += quantenna/ obj-$(CONFIG_WLAN_VENDOR_RALINK) += ralink/ diff --git a/drivers/net/wireless/nxp/Kconfig b/drivers/net/wireless/nxp/Kconfig new file mode 100644 index 000000000000..68b32d4536e5 --- /dev/null +++ b/drivers/net/wireless/nxp/Kconfig @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: GPL-2.0-only +config WLAN_VENDOR_NXP + bool "NXP devices" + default y + help + If you have a wireless card belonging to this class, say Y. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all the + questions about these cards. If you say Y, you will be asked for + your specific card in the following questions. + +if WLAN_VENDOR_NXP + +source "drivers/net/wireless/nxp/nxpwifi/Kconfig" + +endif # WLAN_VENDOR_NXP diff --git a/drivers/net/wireless/nxp/Makefile b/drivers/net/wireless/nxp/Makefile new file mode 100644 index 000000000000..27b41a0afdd2 --- /dev/null +++ b/drivers/net/wireless/nxp/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only + +obj-$(CONFIG_NXPWIFI) += nxpwifi/ diff --git a/drivers/net/wireless/nxp/nxpwifi/11ac.c b/drivers/net/wireless/nxp/nxpwifi/11ac.c new file mode 100644 index 000000000000..117d06c35401 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11ac.c @@ -0,0 +1,280 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi 802.11ac helpers + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "fw.h" +#include "main.h" +#include "11ac.h" + +/* Map VHT MCS/NSS to highest data rate (Mbps), long GI. */ +static const u16 max_rate_lgi_80MHZ[8][3] = { + {0x124, 0x15F, 0x186}, /* NSS = 1 */ + {0x249, 0x2BE, 0x30C}, /* NSS = 2 */ + {0x36D, 0x41D, 0x492}, /* NSS = 3 */ + {0x492, 0x57C, 0x618}, /* NSS = 4 */ + {0x5B6, 0x6DB, 0x79E}, /* NSS = 5 */ + {0x6DB, 0x83A, 0x0}, /* NSS = 6 */ + {0x7FF, 0x999, 0xAAA}, /* NSS = 7 */ + {0x924, 0xAF8, 0xC30} /* NSS = 8 */ +}; + +static const u16 max_rate_lgi_160MHZ[8][3] = { + {0x249, 0x2BE, 0x30C}, /* NSS = 1 */ + {0x492, 0x57C, 0x618}, /* NSS = 2 */ + {0x6DB, 0x83A, 0x0}, /* NSS = 3 */ + {0x924, 0xAF8, 0xC30}, /* NSS = 4 */ + {0xB6D, 0xDB6, 0xF3C}, /* NSS = 5 */ + {0xDB6, 0x1074, 0x1248}, /* NSS = 6 */ + {0xFFF, 0x1332, 0x1554}, /* NSS = 7 */ + {0x1248, 0x15F0, 0x1860} /* NSS = 8 */ +}; + +/* Convert 2-bit MCS map to highest long-GI VHT data rate. */ +static u16 +nxpwifi_convert_mcsmap_to_maxrate(struct nxpwifi_private *priv, + u16 bands, u16 mcs_map) +{ + u8 i, nss, mcs; + u16 max_rate = 0; + u32 usr_vht_cap_info = 0; + struct nxpwifi_adapter *adapter = priv->adapter; + + if (bands & BAND_AAC) + usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_a; + else + usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_bg; + + /* Find max supported NSS. */ + nss = 1; + for (i = 1; i <= 8; i++) { + mcs = GET_VHTNSSMCS(mcs_map, i); + if (mcs < IEEE80211_VHT_MCS_NOT_SUPPORTED) + nss = i; + } + mcs = GET_VHTNSSMCS(mcs_map, nss); + + /* If not supported, fall back to 0-9. */ + if (mcs == IEEE80211_VHT_MCS_NOT_SUPPORTED) + mcs = IEEE80211_VHT_MCS_SUPPORT_0_9; + + if (u32_get_bits(usr_vht_cap_info, IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK)) { + /* Support 160 MHz. */ + max_rate = max_rate_lgi_160MHZ[nss - 1][mcs]; + if (!max_rate) + /* MCS9 not supported in NSS6. */ + max_rate = max_rate_lgi_160MHZ[nss - 1][mcs - 1]; + } else { + max_rate = max_rate_lgi_80MHZ[nss - 1][mcs]; + if (!max_rate) + /* MCS9 not supported in NSS3. */ + max_rate = max_rate_lgi_80MHZ[nss - 1][mcs - 1]; + } + + return max_rate; +} + +static void +nxpwifi_fill_vht_cap_info(struct nxpwifi_private *priv, + struct ieee80211_vht_cap *vht_cap, u16 bands) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (bands & BAND_A) + vht_cap->vht_cap_info = + cpu_to_le32(adapter->usr_dot_11ac_dev_cap_a); + else + vht_cap->vht_cap_info = + cpu_to_le32(adapter->usr_dot_11ac_dev_cap_bg); +} + +void +nxpwifi_fill_vht_cap_tlv(struct nxpwifi_private *priv, + struct ieee80211_vht_cap *vht_cap, u16 bands) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u16 mcs_map_user, mcs_map_resp, mcs_map_result; + u16 mcs_user, mcs_resp, nss, tmp; + + /* Fill VHT capability info. */ + nxpwifi_fill_vht_cap_info(priv, vht_cap, bands); + + /* RX MCS set: min(user, AP). */ + mcs_map_user = GET_DEVRXMCSMAP(adapter->usr_dot_11ac_mcs_support); + mcs_map_resp = le16_to_cpu(vht_cap->supp_mcs.rx_mcs_map); + mcs_map_result = 0; + + for (nss = 1; nss <= 8; nss++) { + mcs_user = GET_VHTNSSMCS(mcs_map_user, nss); + mcs_resp = GET_VHTNSSMCS(mcs_map_resp, nss); + + if (mcs_user == IEEE80211_VHT_MCS_NOT_SUPPORTED || + mcs_resp == IEEE80211_VHT_MCS_NOT_SUPPORTED) + SET_VHTNSSMCS(mcs_map_result, nss, + IEEE80211_VHT_MCS_NOT_SUPPORTED); + else + SET_VHTNSSMCS(mcs_map_result, nss, + min(mcs_user, mcs_resp)); + } + + vht_cap->supp_mcs.rx_mcs_map = cpu_to_le16(mcs_map_result); + + tmp = nxpwifi_convert_mcsmap_to_maxrate(priv, bands, mcs_map_result); + vht_cap->supp_mcs.rx_highest = cpu_to_le16(tmp); + + /* TX MCS set: min(user, AP). */ + mcs_map_user = GET_DEVTXMCSMAP(adapter->usr_dot_11ac_mcs_support); + mcs_map_resp = le16_to_cpu(vht_cap->supp_mcs.tx_mcs_map); + mcs_map_result = 0; + + for (nss = 1; nss <= 8; nss++) { + mcs_user = GET_VHTNSSMCS(mcs_map_user, nss); + mcs_resp = GET_VHTNSSMCS(mcs_map_resp, nss); + if (mcs_user == IEEE80211_VHT_MCS_NOT_SUPPORTED || + mcs_resp == IEEE80211_VHT_MCS_NOT_SUPPORTED) + SET_VHTNSSMCS(mcs_map_result, nss, + IEEE80211_VHT_MCS_NOT_SUPPORTED); + else + SET_VHTNSSMCS(mcs_map_result, nss, + min(mcs_user, mcs_resp)); + } + + vht_cap->supp_mcs.tx_mcs_map = cpu_to_le16(mcs_map_result); + + tmp = nxpwifi_convert_mcsmap_to_maxrate(priv, bands, mcs_map_result); + vht_cap->supp_mcs.tx_highest = cpu_to_le16(tmp); +} + +int nxpwifi_cmd_append_11ac_tlv(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc, + u8 **buffer) +{ + struct nxpwifi_ie_types_vhtcap *vht_cap; + struct nxpwifi_ie_types_oper_mode_ntf *oper_ntf; + struct ieee_types_oper_mode_ntf *ieee_oper_ntf; + struct nxpwifi_ie_types_vht_oper *vht_op; + struct nxpwifi_adapter *adapter = priv->adapter; + u8 supp_chwd_set; + u32 usr_vht_cap_info; + int ret_len = 0; + + if (bss_desc->bss_band & BAND_A) + usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_a; + else + usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_bg; + + /* VHT Capabilities element. */ + if (bss_desc->bcn_vht_cap) { + vht_cap = (struct nxpwifi_ie_types_vhtcap *)*buffer; + memset(vht_cap, 0, sizeof(*vht_cap)); + vht_cap->header.type = cpu_to_le16(WLAN_EID_VHT_CAPABILITY); + vht_cap->header.len = + cpu_to_le16(sizeof(struct ieee80211_vht_cap)); + memcpy((u8 *)vht_cap + sizeof(struct nxpwifi_ie_types_header), + (u8 *)bss_desc->bcn_vht_cap, + le16_to_cpu(vht_cap->header.len)); + + nxpwifi_fill_vht_cap_tlv(priv, &vht_cap->vht_cap, + bss_desc->bss_band); + *buffer += sizeof(*vht_cap); + ret_len += sizeof(*vht_cap); + } + + /* VHT Operation element. */ + if (bss_desc->bcn_vht_oper) { + if (priv->bss_mode == NL80211_IFTYPE_STATION) { + vht_op = (struct nxpwifi_ie_types_vht_oper *)*buffer; + memset(vht_op, 0, sizeof(*vht_op)); + vht_op->header.type = + cpu_to_le16(WLAN_EID_VHT_OPERATION); + vht_op->header.len = cpu_to_le16(sizeof(*vht_op) - + sizeof(struct nxpwifi_ie_types_header)); + memcpy((u8 *)vht_op + + sizeof(struct nxpwifi_ie_types_header), + (u8 *)bss_desc->bcn_vht_oper, + le16_to_cpu(vht_op->header.len)); + + /* Negotiate channel width; keep peer's center freq. */ + supp_chwd_set = u32_get_bits(usr_vht_cap_info, + IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK); + + switch (supp_chwd_set) { + case 0: + vht_op->chan_width = + min_t(u8, IEEE80211_VHT_CHANWIDTH_80MHZ, + bss_desc->bcn_vht_oper->chan_width); + break; + case 1: + vht_op->chan_width = + min_t(u8, IEEE80211_VHT_CHANWIDTH_160MHZ, + bss_desc->bcn_vht_oper->chan_width); + break; + case 2: + vht_op->chan_width = + min_t(u8, IEEE80211_VHT_CHANWIDTH_80P80MHZ, + bss_desc->bcn_vht_oper->chan_width); + break; + default: + vht_op->chan_width = + IEEE80211_VHT_CHANWIDTH_USE_HT; + break; + } + + *buffer += sizeof(*vht_op); + ret_len += sizeof(*vht_op); + } + } + + /* Operating Mode Notification element. */ + if (bss_desc->oper_mode) { + ieee_oper_ntf = bss_desc->oper_mode; + oper_ntf = (void *)*buffer; + memset(oper_ntf, 0, sizeof(*oper_ntf)); + oper_ntf->header.type = cpu_to_le16(WLAN_EID_OPMODE_NOTIF); + oper_ntf->header.len = cpu_to_le16(sizeof(u8)); + oper_ntf->oper_mode = ieee_oper_ntf->oper_mode; + *buffer += sizeof(*oper_ntf); + ret_len += sizeof(*oper_ntf); + } + + return ret_len; +} + +int nxpwifi_cmd_11ac_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_11ac_vht_cfg *cfg) +{ + struct host_cmd_11ac_vht_cfg *vhtcfg = &cmd->params.vht_cfg; + + cmd->command = cpu_to_le16(HOST_CMD_11AC_CFG); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_11ac_vht_cfg) + + S_DS_GEN); + vhtcfg->action = cpu_to_le16(cmd_action); + vhtcfg->band_config = cfg->band_config; + vhtcfg->misc_config = cfg->misc_config; + vhtcfg->cap_info = cpu_to_le32(cfg->cap_info); + vhtcfg->mcs_tx_set = cpu_to_le32(cfg->mcs_tx_set); + vhtcfg->mcs_rx_set = cpu_to_le32(cfg->mcs_rx_set); + + return 0; +} + +/* Initialize BlockAck parameters for 11ac. */ +void nxpwifi_set_11ac_ba_params(struct nxpwifi_private *priv) +{ + priv->add_ba_param.timeout = NXPWIFI_DEFAULT_BLOCK_ACK_TIMEOUT; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + priv->add_ba_param.tx_win_size = + NXPWIFI_11AC_UAP_AMPDU_DEF_TXWINSIZE; + priv->add_ba_param.rx_win_size = + NXPWIFI_11AC_UAP_AMPDU_DEF_RXWINSIZE; + } else { + priv->add_ba_param.tx_win_size = + NXPWIFI_11AC_STA_AMPDU_DEF_TXWINSIZE; + priv->add_ba_param.rx_win_size = + NXPWIFI_11AC_STA_AMPDU_DEF_RXWINSIZE; + } +} diff --git a/drivers/net/wireless/nxp/nxpwifi/11ac.h b/drivers/net/wireless/nxp/nxpwifi/11ac.h new file mode 100644 index 000000000000..edc01b35d5b8 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11ac.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * nxpwifi: 802.11ac (VHT) definitions + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_11AC_H_ +#define _NXPWIFI_11AC_H_ + +#define VHT_CFG_2GHZ BIT(0) +#define VHT_CFG_5GHZ BIT(1) + +enum vht_cfg_misc_config { + VHT_CAP_TX_OPERATION = 1, + VHT_CAP_ASSOCIATION, + VHT_CAP_UAP_ONLY +}; + +#define DEFAULT_VHT_MCS_SET 0xfffe +#define DISABLE_VHT_MCS_SET 0xffff + +#define VHT_BW_80_160_80P80 BIT(2) + +int nxpwifi_cmd_append_11ac_tlv(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc, + u8 **buffer); +int nxpwifi_cmd_11ac_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_11ac_vht_cfg *cfg); +void nxpwifi_fill_vht_cap_tlv(struct nxpwifi_private *priv, + struct ieee80211_vht_cap *vht_cap, u16 bands); +#endif /* _NXPWIFI_11AC_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/11ax.c b/drivers/net/wireless/nxp/nxpwifi/11ax.c new file mode 100644 index 000000000000..cc47c435eb70 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11ax.c @@ -0,0 +1,594 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* nxpwifi: 802.11ax (HE) support + * Copyright (C) 2011-2024 NXP + */ + +#include "cfg.h" +#include "fw.h" +#include "main.h" +#include "11ax.h" + +void nxpwifi_update_11ax_cap(struct nxpwifi_adapter *adapter, + struct hw_spec_extension *hw_he_cap) +{ + struct nxpwifi_private *priv; + struct nxpwifi_ie_types_he_cap *he_cap = NULL; + struct nxpwifi_ie_types_he_cap *user_he_cap = NULL; + u8 header_len = sizeof(struct nxpwifi_ie_types_header); + u16 data_len = le16_to_cpu(hw_he_cap->header.len); + bool he_cap_2g = false; + int i; + + if ((data_len + header_len) > sizeof(adapter->hw_he_cap)) { + nxpwifi_dbg(adapter, ERROR, + "hw_he_cap too big, len=%d\n", + data_len); + return; + } + + he_cap = (struct nxpwifi_ie_types_he_cap *)hw_he_cap; + + if (he_cap->he_phy_cap[0] & + (AX_2G_40MHZ_SUPPORT | AX_2G_20MHZ_SUPPORT)) { + adapter->hw_2g_he_cap_len = data_len + header_len; + memcpy(adapter->hw_2g_he_cap, (u8 *)hw_he_cap, + adapter->hw_2g_he_cap_len); + adapter->fw_bands |= BAND_GAX; + he_cap_2g = true; + nxpwifi_dbg_dump(adapter, CMD_D, "2.4G HE capability element ", + adapter->hw_2g_he_cap, + adapter->hw_2g_he_cap_len); + } else { + adapter->hw_he_cap_len = data_len + header_len; + memcpy(adapter->hw_he_cap, (u8 *)hw_he_cap, + adapter->hw_he_cap_len); + adapter->fw_bands |= BAND_AAX; + nxpwifi_dbg_dump(adapter, CMD_D, "5G HE capability element ", + adapter->hw_he_cap, + adapter->hw_he_cap_len); + } + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + + if (he_cap_2g) { + priv->user_2g_he_cap_len = adapter->hw_2g_he_cap_len; + memcpy(priv->user_2g_he_cap, adapter->hw_2g_he_cap, + sizeof(adapter->hw_2g_he_cap)); + user_he_cap = (struct nxpwifi_ie_types_he_cap *) + priv->user_2g_he_cap; + } else { + priv->user_he_cap_len = adapter->hw_he_cap_len; + memcpy(priv->user_he_cap, adapter->hw_he_cap, + sizeof(adapter->hw_he_cap)); + user_he_cap = (struct nxpwifi_ie_types_he_cap *) + priv->user_he_cap; + } + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) + user_he_cap->he_mac_cap[0] &= + ~HE_MAC_CAP_TWT_RESP_SUPPORT; + else + user_he_cap->he_mac_cap[0] &= + ~HE_MAC_CAP_TWT_REQ_SUPPORT; + } + + adapter->is_hw_11ax_capable = true; +} + +bool nxpwifi_11ax_bandconfig_allowed(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + u16 bss_band = bss_desc->bss_band; + + if (bss_desc->disable_11n) + return false; + + if (bss_band & BAND_G) + return (priv->config_bands & BAND_GAX); + else if (bss_band & BAND_A) + return (priv->config_bands & BAND_AAX); + + return false; +} + +int nxpwifi_fill_he_cap_tlv(struct nxpwifi_private *priv, + struct nxpwifi_ie_types_he_cap *he_cap, + u16 bands) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ie_types_he_cap *hw_he_cap = NULL; + u16 rx_nss, tx_nss; + u8 nss; + u16 cfg_value; + u16 hw_value; + int ret_len; + + if (bands & BAND_A) { + memcpy(he_cap, priv->user_he_cap, priv->user_he_cap_len); + hw_he_cap = (struct nxpwifi_ie_types_he_cap *)adapter->hw_he_cap; + ret_len = priv->user_he_cap_len; + } else { + memcpy(he_cap, priv->user_2g_he_cap, priv->user_2g_he_cap_len); + hw_he_cap = (struct nxpwifi_ie_types_he_cap *)adapter->hw_2g_he_cap; + ret_len = priv->user_2g_he_cap_len; + } + + if (bands & BAND_A) { + rx_nss = GET_RXMCSSUPP(adapter->user_htstream >> 8); + tx_nss = GET_TXMCSSUPP(adapter->user_htstream >> 8) & 0x0f; + } else { + rx_nss = GET_RXMCSSUPP(adapter->user_htstream); + tx_nss = GET_TXMCSSUPP(adapter->user_htstream) & 0x0f; + } + + for (nss = 1; nss <= 8; nss++) { + cfg_value = nxpwifi_get_he_nss_mcs(he_cap->rx_mcs_80, nss); + hw_value = nxpwifi_get_he_nss_mcs(hw_he_cap->rx_mcs_80, nss); + if (rx_nss != 0 && nss > rx_nss) + cfg_value = NO_NSS_SUPPORT; + if (hw_value == NO_NSS_SUPPORT || cfg_value == NO_NSS_SUPPORT) + nxpwifi_set_he_nss_mcs(&he_cap->rx_mcs_80, nss, + NO_NSS_SUPPORT); + else + nxpwifi_set_he_nss_mcs(&he_cap->rx_mcs_80, nss, + min(cfg_value, hw_value)); + } + + for (nss = 1; nss <= 8; nss++) { + cfg_value = nxpwifi_get_he_nss_mcs(he_cap->tx_mcs_80, nss); + hw_value = nxpwifi_get_he_nss_mcs(hw_he_cap->tx_mcs_80, nss); + if (tx_nss != 0 && nss > tx_nss) + cfg_value = NO_NSS_SUPPORT; + if (hw_value == NO_NSS_SUPPORT || cfg_value == NO_NSS_SUPPORT) + nxpwifi_set_he_nss_mcs(&he_cap->tx_mcs_80, nss, + NO_NSS_SUPPORT); + else + nxpwifi_set_he_nss_mcs(&he_cap->tx_mcs_80, nss, + min(cfg_value, hw_value)); + } + + return ret_len; +} + +int nxpwifi_cmd_append_11ax_tlv(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc, + u8 **buffer) +{ + struct nxpwifi_ie_types_he_cap *he_cap = NULL; + int ret_len; + + if (!bss_desc->bcn_he_cap) + return -EOPNOTSUPP; + + he_cap = (struct nxpwifi_ie_types_he_cap *)*buffer; + ret_len = nxpwifi_fill_he_cap_tlv(priv, he_cap, bss_desc->bss_band); + *buffer += ret_len; + + return ret_len; +} + +int nxpwifi_cmd_11ax_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_11ax_he_cfg *ax_cfg) +{ + struct host_cmd_11ax_cfg *he_cfg = &cmd->params.ax_cfg; + u16 cmd_size; + struct nxpwifi_ie_types_header *header; + + cmd->command = cpu_to_le16(HOST_CMD_11AX_CFG); + cmd_size = sizeof(struct host_cmd_11ax_cfg) + S_DS_GEN; + + he_cfg->action = cpu_to_le16(cmd_action); + he_cfg->band_config = ax_cfg->band; + + if (ax_cfg->he_cap_cfg.len && + ax_cfg->he_cap_cfg.ext_id == WLAN_EID_EXT_HE_CAPABILITY) { + header = (struct nxpwifi_ie_types_header *)he_cfg->tlv; + header->type = cpu_to_le16(ax_cfg->he_cap_cfg.id); + header->len = cpu_to_le16(ax_cfg->he_cap_cfg.len); + memcpy(he_cfg->tlv + sizeof(*header), + &ax_cfg->he_cap_cfg.ext_id, + ax_cfg->he_cap_cfg.len); + cmd_size += (sizeof(*header) + ax_cfg->he_cap_cfg.len); + } + + cmd->size = cpu_to_le16(cmd_size); + + return 0; +} + +int nxpwifi_ret_11ax_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + struct nxpwifi_11ax_he_cfg *ax_cfg) +{ + struct host_cmd_11ax_cfg *he_cfg = &resp->params.ax_cfg; + struct nxpwifi_ie_types_header *header; + u16 left_len, tlv_type, tlv_len; + u8 ext_id; + struct nxpwifi_11ax_he_cap_cfg *he_cap = &ax_cfg->he_cap_cfg; + + left_len = le16_to_cpu(resp->size) - sizeof(*he_cfg) - S_DS_GEN; + header = (struct nxpwifi_ie_types_header *)he_cfg->tlv; + + while (left_len > sizeof(*header)) { + tlv_type = le16_to_cpu(header->type); + tlv_len = le16_to_cpu(header->len); + + if (tlv_type == TLV_TYPE_EXTENSION_ID) { + ext_id = *((u8 *)header + sizeof(*header) + 1); + if (ext_id == WLAN_EID_EXT_HE_CAPABILITY) { + he_cap->id = tlv_type; + he_cap->len = tlv_len; + memcpy((u8 *)&he_cap->ext_id, + (u8 *)header + sizeof(*header) + 1, + tlv_len); + if (he_cfg->band_config & BIT(1)) { + memcpy(priv->user_he_cap, + (u8 *)header, + sizeof(*header) + tlv_len); + priv->user_he_cap_len = + sizeof(*header) + tlv_len; + } else { + memcpy(priv->user_2g_he_cap, + (u8 *)header, + sizeof(*header) + tlv_len); + priv->user_2g_he_cap_len = + sizeof(*header) + tlv_len; + } + } + } + + left_len -= (sizeof(*header) + tlv_len); + header = (struct nxpwifi_ie_types_header *)((u8 *)header + + sizeof(*header) + + tlv_len); + } + + return 0; +} + +int nxpwifi_cmd_11ax_cmd(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_11ax_cmd_cfg *ax_cmd) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_11ax_cmd *he_cmd = &cmd->params.ax_cmd; + u16 cmd_size; + struct nxpwifi_11ax_sr_cmd *sr_cmd; + struct nxpwifi_ie_types_data *tlv; + struct nxpwifi_11ax_beam_cmd *beam_cmd; + struct nxpwifi_11ax_htc_cmd *htc_cmd; + struct nxpwifi_11ax_txomi_cmd *txmoi_cmd; + struct nxpwifi_11ax_toltime_cmd *toltime_cmd; + struct nxpwifi_11ax_txop_cmd *txop_cmd; + struct nxpwifi_11ax_set_bsrp_cmd *set_bsrp_cmd; + struct nxpwifi_11ax_llde_cmd *llde_cmd; + + cmd->command = cpu_to_le16(HOST_CMD_11AX_CMD); + cmd_size = sizeof(struct host_cmd_11ax_cmd) + S_DS_GEN; + + he_cmd->action = cpu_to_le16(cmd_action); + he_cmd->sub_id = cpu_to_le16(ax_cmd->sub_id); + + switch (ax_cmd->sub_command) { + case NXPWIFI_11AXCMD_SR_SUBID: + sr_cmd = (struct nxpwifi_11ax_sr_cmd *)&ax_cmd->param; + + tlv = (struct nxpwifi_ie_types_data *)he_cmd->val; + tlv->header.type = cpu_to_le16(sr_cmd->type); + tlv->header.len = cpu_to_le16(sr_cmd->len); + memcpy(tlv->data, sr_cmd->param.obss_pd_offset.offset, + sr_cmd->len); + cmd_size += (sizeof(tlv->header) + sr_cmd->len); + break; + case NXPWIFI_11AXCMD_BEAM_SUBID: + beam_cmd = (struct nxpwifi_11ax_beam_cmd *)&ax_cmd->param; + + he_cmd->val[0] = beam_cmd->value; + cmd_size += sizeof(*beam_cmd); + break; + case NXPWIFI_11AXCMD_HTC_SUBID: + htc_cmd = (struct nxpwifi_11ax_htc_cmd *)&ax_cmd->param; + + he_cmd->val[0] = htc_cmd->value; + cmd_size += sizeof(*htc_cmd); + break; + case NXPWIFI_11AXCMD_TXOMI_SUBID: + txmoi_cmd = (struct nxpwifi_11ax_txomi_cmd *)&ax_cmd->param; + + memcpy((void *)he_cmd->val, txmoi_cmd, sizeof(*txmoi_cmd)); + cmd_size += sizeof(*txmoi_cmd); + break; + case NXPWIFI_11AXCMD_OBSS_TOLTIME_SUBID: + toltime_cmd = (struct nxpwifi_11ax_toltime_cmd *)&ax_cmd->param; + + memcpy(he_cmd->val, &toltime_cmd->tol_time, + sizeof(toltime_cmd->tol_time)); + cmd_size += sizeof(*toltime_cmd); + break; + case NXPWIFI_11AXCMD_TXOPRTS_SUBID: + txop_cmd = (struct nxpwifi_11ax_txop_cmd *)&ax_cmd->param; + + memcpy(he_cmd->val, &txop_cmd->rts_thres, + sizeof(txop_cmd->rts_thres)); + cmd_size += sizeof(*txop_cmd); + break; + case NXPWIFI_11AXCMD_SET_BSRP_SUBID: + set_bsrp_cmd = (struct nxpwifi_11ax_set_bsrp_cmd *)&ax_cmd->param; + + he_cmd->val[0] = set_bsrp_cmd->value; + cmd_size += sizeof(*set_bsrp_cmd); + break; + case NXPWIFI_11AXCMD_LLDE_SUBID: + llde_cmd = (struct nxpwifi_11ax_llde_cmd *)&ax_cmd->param; + + memcpy((void *)he_cmd->val, llde_cmd, sizeof(*llde_cmd)); + cmd_size += sizeof(*llde_cmd); + break; + default: + nxpwifi_dbg(adapter, ERROR, + "%s: Unknown sub command: %d\n", + __func__, ax_cmd->sub_command); + return -EINVAL; + } + + cmd->size = cpu_to_le16(cmd_size); + + return 0; +} + +int nxpwifi_ret_11ax_cmd(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + struct nxpwifi_11ax_cmd_cfg *ax_cmd) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_11ax_cmd *he_cmd = &resp->params.ax_cmd; + struct nxpwifi_ie_types_data *tlv; + + ax_cmd->sub_id = le16_to_cpu(he_cmd->sub_id); + + switch (ax_cmd->sub_command) { + case NXPWIFI_11AXCMD_SR_SUBID: + tlv = (struct nxpwifi_ie_types_data *)he_cmd->val; + memcpy(ax_cmd->param.sr_cfg.param.obss_pd_offset.offset, + tlv->data, + ax_cmd->param.sr_cfg.len); + break; + case NXPWIFI_11AXCMD_BEAM_SUBID: + ax_cmd->param.beam_cfg.value = *he_cmd->val; + break; + case NXPWIFI_11AXCMD_HTC_SUBID: + ax_cmd->param.htc_cfg.value = *he_cmd->val; + break; + case NXPWIFI_11AXCMD_TXOMI_SUBID: + memcpy(&ax_cmd->param.txomi_cfg, + he_cmd->val, sizeof(ax_cmd->param.txomi_cfg)); + break; + case NXPWIFI_11AXCMD_OBSS_TOLTIME_SUBID: + memcpy(&ax_cmd->param.toltime_cfg.tol_time, + he_cmd->val, sizeof(ax_cmd->param.toltime_cfg)); + break; + case NXPWIFI_11AXCMD_TXOPRTS_SUBID: + memcpy(&ax_cmd->param.txop_cfg.rts_thres, + he_cmd->val, sizeof(ax_cmd->param.txop_cfg)); + break; + case NXPWIFI_11AXCMD_SET_BSRP_SUBID: + ax_cmd->param.setbsrp_cfg.value = *he_cmd->val; + break; + case NXPWIFI_11AXCMD_LLDE_SUBID: + memcpy(&ax_cmd->param.llde_cfg, + he_cmd->val, sizeof(ax_cmd->param.llde_cfg)); + break; + default: + nxpwifi_dbg(adapter, ERROR, + "%s: Unknown sub command: %d\n", + __func__, ax_cmd->sub_command); + return -EINVAL; + } + + return 0; +} + +static u8 nxpwifi_is_ap_11ax_twt_supported(struct nxpwifi_bssdescriptor *bss_desc) +{ + struct element *ext_cap; + + if (!bss_desc->bcn_he_cap) + return false; + if (!(bss_desc->bcn_he_cap->mac_cap_info[0] & HE_MAC_CAP_TWT_RESP_SUPPORT)) + return false; + if (!bss_desc->bcn_ext_cap) + return false; + ext_cap = (struct element *)bss_desc->bcn_ext_cap; + + if (!(ext_cap->data[9] & WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT)) + return false; + return true; +} + +bool nxpwifi_is_11ax_twt_supported(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + struct nxpwifi_ie_types_he_cap *user_he_cap; + struct nxpwifi_ie_types_he_cap *hw_he_cap; + + if (bss_desc && (!nxpwifi_is_ap_11ax_twt_supported(bss_desc))) { + nxpwifi_dbg(priv->adapter, MSG, + "AP don't support twt feature\n"); + return false; + } + + if (bss_desc->bss_band & BAND_A) { + hw_he_cap = (struct nxpwifi_ie_types_he_cap *) + priv->adapter->hw_he_cap; + user_he_cap = (struct nxpwifi_ie_types_he_cap *) + priv->user_he_cap; + } else { + hw_he_cap = (struct nxpwifi_ie_types_he_cap *) + priv->adapter->hw_2g_he_cap; + user_he_cap = (struct nxpwifi_ie_types_he_cap *) + priv->user_2g_he_cap; + } + + if (!(hw_he_cap->he_mac_cap[0] & HE_MAC_CAP_TWT_REQ_SUPPORT)) { + nxpwifi_dbg(priv->adapter, MSG, + "FW don't support TWT\n"); + return false; + } + + if (!(user_he_cap->he_mac_cap[0] & HE_MAC_CAP_TWT_REQ_SUPPORT)) { + nxpwifi_dbg(priv->adapter, MSG, + "USER HE_MAC_CAP don't support TWT\n"); + return false; + } + + return true; +} + +u8 nxpwifi_is_sta_11ax_twt_req_supported(struct nxpwifi_private *priv) +{ + struct nxpwifi_ie_types_he_cap *user_he_cap; + u8 ret = 0; + + if (ISSUPP_11AXENABLED(priv->adapter->fw_cap_ext) && + (priv->config_bands & BAND_GAX || priv->config_bands & BAND_AAX)) { + if (priv->config_bands & BAND_AAX) + user_he_cap = (struct nxpwifi_ie_types_he_cap *)priv->user_he_cap; + else + user_he_cap = (struct nxpwifi_ie_types_he_cap *)priv->user_2g_he_cap; + ret = user_he_cap->he_mac_cap[0] & HE_MAC_CAP_TWT_REQ_SUPPORT; + } + + return ret; +} + +int nxpwifi_cmd_twt_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_twt_cfg *twt_cfg) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_twt_cfg *twt_cfg_cmd = &cmd->params.twt_cfg; + struct nxpwifi_twt_setup *twt_setup; + struct nxpwifi_twt_teardown *twt_teardown; + struct nxpwifi_twt_report *twt_report; + struct nxpwifi_twt_information *twt_information; + struct nxpwifi_btwt_ap_config *btwt_ap_config; + u8 i; + u16 cmd_size; + + cmd->command = cpu_to_le16(HOST_CMD_TWT_CFG); + cmd_size = sizeof(struct host_cmd_twt_cfg) + S_DS_GEN; + + twt_cfg_cmd->action = cpu_to_le16(cmd_action); + twt_cfg_cmd->sub_id = cpu_to_le16(twt_cfg->sub_id); + + switch (twt_cfg->sub_id) { + case NXPWIFI_11AX_TWT_SETUP_SUBID: + twt_setup = (struct nxpwifi_twt_setup *) + twt_cfg_cmd->val; + + memset(twt_setup, 0x00, sizeof(struct nxpwifi_twt_setup)); + twt_setup->implicit = twt_cfg->param.twt_setup.implicit; + twt_setup->announced = twt_cfg->param.twt_setup.announced; + twt_setup->trigger_enabled = twt_cfg->param.twt_setup.trigger_enabled; + twt_setup->twt_info_disabled = twt_cfg->param.twt_setup.twt_info_disabled; + twt_setup->negotiation_type = twt_cfg->param.twt_setup.negotiation_type; + twt_setup->twt_wakeup_duration = + twt_cfg->param.twt_setup.twt_wakeup_duration; + twt_setup->flow_identifier = twt_cfg->param.twt_setup.flow_identifier; + twt_setup->hard_constraint = twt_cfg->param.twt_setup.hard_constraint; + twt_setup->twt_exponent = twt_cfg->param.twt_setup.twt_exponent; + twt_setup->twt_mantissa = twt_cfg->param.twt_setup.twt_mantissa; + twt_setup->twt_request = twt_cfg->param.twt_setup.twt_request; + twt_setup->bcn_miss_threshold = twt_cfg->param.twt_setup.bcn_miss_threshold; + cmd_size += sizeof(struct nxpwifi_twt_setup); + break; + case NXPWIFI_11AX_TWT_TEARDOWN_SUBID: + twt_teardown = (struct nxpwifi_twt_teardown *) + twt_cfg_cmd->val; + memset(twt_teardown, 0x00, + sizeof(struct nxpwifi_twt_teardown)); + twt_teardown->flow_identifier = + twt_cfg->param.twt_teardown.flow_identifier; + twt_teardown->negotiation_type = + twt_cfg->param.twt_teardown.negotiation_type; + twt_teardown->teardown_all_twt = + twt_cfg->param.twt_teardown.teardown_all_twt; + cmd_size += sizeof(struct nxpwifi_twt_teardown); + break; + case NXPWIFI_11AX_TWT_REPORT_SUBID: + twt_report = (struct nxpwifi_twt_report *) + twt_cfg_cmd->val; + memset(twt_report, 0x00, sizeof(struct nxpwifi_twt_report)); + twt_report->type = twt_cfg->param.twt_report.type; + cmd_size += sizeof(struct nxpwifi_twt_report); + break; + case NXPWIFI_11AX_TWT_INFORMATION_SUBID: + twt_information = (struct nxpwifi_twt_information *) + twt_cfg_cmd->val; + memset(twt_information, 0x00, + sizeof(struct nxpwifi_twt_information)); + twt_information->flow_identifier = + twt_cfg->param.twt_information.flow_identifier; + twt_information->suspend_duration = + twt_cfg->param.twt_information.suspend_duration; + cmd_size += sizeof(struct nxpwifi_twt_information); + break; + case NXPWIFI_11AX_BTWT_AP_CONFIG_SUBID: + btwt_ap_config = (struct nxpwifi_btwt_ap_config *) + twt_cfg_cmd->val; + memset(btwt_ap_config, 0x00, + sizeof(struct nxpwifi_btwt_ap_config)); + btwt_ap_config->ap_bcast_bet_sta_wait = + twt_cfg->param.btwt_ap_config.ap_bcast_bet_sta_wait; + btwt_ap_config->ap_bcast_offset = + twt_cfg->param.btwt_ap_config.ap_bcast_offset; + btwt_ap_config->bcast_twtli = + twt_cfg->param.btwt_ap_config.bcast_twtli; + btwt_ap_config->count = + twt_cfg->param.btwt_ap_config.count; + for (i = 0; i < BTWT_AGREEMENT_MAX; i++) { + btwt_ap_config->btwt_sets[i].btwt_id = + twt_cfg->param.btwt_ap_config.btwt_sets[i].btwt_id; + btwt_ap_config->btwt_sets[i].ap_bcast_mantissa = + twt_cfg->param.btwt_ap_config.btwt_sets[i].ap_bcast_mantissa; + btwt_ap_config->btwt_sets[i].ap_bcast_exponent = + twt_cfg->param.btwt_ap_config.btwt_sets[i].ap_bcast_exponent; + btwt_ap_config->btwt_sets[i].nominalwake = + twt_cfg->param.btwt_ap_config.btwt_sets[i].nominalwake; + } + + cmd_size += sizeof(struct nxpwifi_btwt_ap_config); + break; + default: + nxpwifi_dbg(adapter, ERROR, + "Unknown sub id: %d\n", twt_cfg->sub_id); + return -EINVAL; + } + + cmd->size = cpu_to_le16(cmd_size); + + return 0; +} + +int nxpwifi_ret_twt_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + struct nxpwifi_twt_cfg *twt_cfg) +{ + struct host_cmd_twt_cfg *twt_cfg_cmd = &resp->params.twt_cfg; + u16 action; + + action = le16_to_cpu(twt_cfg_cmd->action); + twt_cfg->sub_id = le16_to_cpu(twt_cfg_cmd->sub_id); + + if (action == HOST_ACT_GEN_GET && + twt_cfg->sub_id == NXPWIFI_11AX_TWT_REPORT_SUBID) { + struct nxpwifi_twt_report *twt_report = + (struct nxpwifi_twt_report *)twt_cfg_cmd->val; + + memcpy(&twt_cfg->param.twt_report, twt_report, sizeof(struct nxpwifi_twt_report)); + } + + return 0; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/11ax.h b/drivers/net/wireless/nxp/nxpwifi/11ax.h new file mode 100644 index 000000000000..2eda69f19763 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11ax.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * nxpwifi: 802.11ax support + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_11AX_H_ +#define _NXPWIFI_11AX_H_ + +/* device support 2.4G 40MHZ */ +#define AX_2G_40MHZ_SUPPORT BIT(1) +/* device support 2.4G 242 tone RUs */ +#define AX_2G_20MHZ_SUPPORT BIT(5) + +/* Get HE MCS map code for n spatial streams (0..3). */ +static inline u16 +nxpwifi_get_he_nss_mcs(__le16 mcs_map_set, int nss) { + return ((le16_to_cpu(mcs_map_set) >> (2 * (nss - 1))) & 0x3); +} + +static inline void +nxpwifi_set_he_nss_mcs(__le16 *mcs_map_set, int nss, int value) { + u16 temp; + + temp = le16_to_cpu(*mcs_map_set); + temp |= ((value & 0x3) << (2 * (nss - 1))); + *mcs_map_set = cpu_to_le16(temp); +} + +bool nxpwifi_is_11ax_twt_supported(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc); + +void nxpwifi_update_11ax_cap(struct nxpwifi_adapter *adapter, + struct hw_spec_extension *hw_he_cap); + +bool nxpwifi_11ax_bandconfig_allowed(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc); + +int nxpwifi_cmd_append_11ax_tlv(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc, + u8 **buffer); + +int nxpwifi_fill_he_cap_tlv(struct nxpwifi_private *priv, + struct nxpwifi_ie_types_he_cap *he_cap, + u16 bands); +int nxpwifi_cmd_11ax_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_11ax_he_cfg *ax_cfg); + +int nxpwifi_ret_11ax_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + struct nxpwifi_11ax_he_cfg *ax_cfg); + +int nxpwifi_cmd_11ax_cmd(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_11ax_cmd_cfg *ax_cmd); + +int nxpwifi_ret_11ax_cmd(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + struct nxpwifi_11ax_cmd_cfg *ax_cmd); + +int nxpwifi_cmd_twt_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_twt_cfg *twt_cfg); + +int nxpwifi_ret_twt_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + struct nxpwifi_twt_cfg *twt_cfg); + +u8 nxpwifi_is_sta_11ax_twt_req_supported(struct nxpwifi_private *priv); + +#endif /* _NXPWIFI_11AX_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/11h.c b/drivers/net/wireless/nxp/nxpwifi/11h.c new file mode 100644 index 000000000000..058c319ff910 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11h.c @@ -0,0 +1,339 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: 802.11h helpers + * + * Copyright 2011-2024 NXP + */ + +#include "main.h" +#include "cmdevt.h" +#include "fw.h" +#include "cfg80211.h" + +void nxpwifi_init_11h_params(struct nxpwifi_private *priv) +{ + priv->state_11h.is_11h_enabled = true; + priv->state_11h.is_11h_active = false; +} + +int nxpwifi_is_11h_active(struct nxpwifi_private *priv) +{ + return priv->state_11h.is_11h_active; +} + +/* appends 11h info to a buffer while joining an infrastructure BSS */ +static void +nxpwifi_11h_process_infra_join(struct nxpwifi_private *priv, u8 **buffer, + struct nxpwifi_bssdescriptor *bss_desc) +{ + struct nxpwifi_ie_types_header *ie_header; + struct nxpwifi_ie_types_pwr_capability *cap; + struct nxpwifi_ie_types_local_pwr_constraint *constraint; + struct ieee80211_supported_band *sband; + u8 radio_type; + int i; + + if (!buffer || !(*buffer)) + return; + + radio_type = nxpwifi_band_to_radio_type((u8)bss_desc->bss_band); + sband = priv->wdev.wiphy->bands[radio_type]; + + cap = (struct nxpwifi_ie_types_pwr_capability *)*buffer; + cap->header.type = cpu_to_le16(WLAN_EID_PWR_CAPABILITY); + cap->header.len = cpu_to_le16(2); + cap->min_pwr = 0; + cap->max_pwr = 0; + *buffer += sizeof(*cap); + + constraint = (struct nxpwifi_ie_types_local_pwr_constraint *)*buffer; + constraint->header.type = cpu_to_le16(WLAN_EID_PWR_CONSTRAINT); + constraint->header.len = cpu_to_le16(2); + constraint->chan = bss_desc->channel; + constraint->constraint = bss_desc->local_constraint; + *buffer += sizeof(*constraint); + + ie_header = (struct nxpwifi_ie_types_header *)*buffer; + ie_header->type = cpu_to_le16(TLV_TYPE_PASSTHROUGH); + ie_header->len = cpu_to_le16(2 * sband->n_channels + 2); + *buffer += sizeof(*ie_header); + *(*buffer)++ = WLAN_EID_SUPPORTED_CHANNELS; + *(*buffer)++ = 2 * sband->n_channels; + for (i = 0; i < sband->n_channels; i++) { + u32 center_freq; + + center_freq = sband->channels[i].center_freq; + *(*buffer)++ = ieee80211_frequency_to_channel(center_freq); + *(*buffer)++ = 1; /* one channel in the subband */ + } +} + +/* Enable or disable the 11h extensions in the firmware */ +int nxpwifi_11h_activate(struct nxpwifi_private *priv, bool flag) +{ + u32 enable = flag; + + /* enable master mode radar detection on AP interface */ + if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) && enable) + enable |= NXPWIFI_MASTER_RADAR_DET_MASK; + + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_SET, DOT11H_I, &enable, true); +} + +/* + * Process TLV buffer for a pending BSS join. Enable 11h in firmware when the + * network advertises spectrum management, and add required TLVs based on the + * BSS's 11h capability. + */ +void nxpwifi_11h_process_join(struct nxpwifi_private *priv, u8 **buffer, + struct nxpwifi_bssdescriptor *bss_desc) +{ + if (bss_desc->sensed_11h) { + /* Activate 11h functions in firmware, turns on capability bit */ + nxpwifi_11h_activate(priv, true); + priv->state_11h.is_11h_active = true; + bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_SPECTRUM_MGMT; + nxpwifi_11h_process_infra_join(priv, buffer, bss_desc); + } else { + /* Deactivate 11h functions in the firmware */ + nxpwifi_11h_activate(priv, false); + priv->state_11h.is_11h_active = false; + bss_desc->cap_info_bitmap &= ~WLAN_CAPABILITY_SPECTRUM_MGMT; + } +} + +/* + * DFS CAC work function. This delayed work emits CAC finished event for cfg80211 + * if CAC was started earlier + */ +void nxpwifi_dfs_cac_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct cfg80211_chan_def chandef; + struct wiphy_delayed_work *delayed_work = + container_of(work, struct wiphy_delayed_work, work); + struct nxpwifi_private *priv = container_of(delayed_work, + struct nxpwifi_private, + dfs_cac_work); + + chandef = priv->dfs_chandef; + if (priv->wdev.links[0].cac_started) { + nxpwifi_dbg(priv->adapter, MSG, + "CAC timer finished; No radar detected\n"); + cfg80211_cac_event(priv->netdev, &chandef, + NL80211_RADAR_CAC_FINISHED, + GFP_KERNEL, 0); + } +} + +/* prepares channel report request command to FW for starting radar detection */ +int nxpwifi_cmd_issue_chan_report_request(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + void *data_buf) +{ + struct host_cmd_ds_chan_rpt_req *cr_req = &cmd->params.chan_rpt_req; + struct nxpwifi_radar_params *radar_params = (void *)data_buf; + u16 size; + + cmd->command = cpu_to_le16(HOST_CMD_CHAN_REPORT_REQUEST); + size = S_DS_GEN; + + cr_req->chan_desc.start_freq = cpu_to_le16(NXPWIFI_A_BAND_START_FREQ); + nxpwifi_convert_chan_to_band_cfg(priv, + &cr_req->chan_desc.band_cfg, + radar_params->chandef); + cr_req->chan_desc.chan_num = radar_params->chandef->chan->hw_value; + cr_req->msec_dwell_time = cpu_to_le32(radar_params->cac_time_ms); + size += sizeof(*cr_req); + + if (radar_params->cac_time_ms) { + struct nxpwifi_ie_types_chan_rpt_data *rpt; + + rpt = (struct nxpwifi_ie_types_chan_rpt_data *)((u8 *)cmd + size); + rpt->header.type = cpu_to_le16(TLV_TYPE_CHANRPT_11H_BASIC); + rpt->header.len = cpu_to_le16(sizeof(u8)); + rpt->meas_rpt_map = 1 << MEAS_RPT_MAP_RADAR_SHIFT_BIT; + size += sizeof(*rpt); + + nxpwifi_dbg(priv->adapter, MSG, + "11h: issuing DFS Radar check for channel=%d\n", + radar_params->chandef->chan->hw_value); + } else { + nxpwifi_dbg(priv->adapter, MSG, "cancelling CAC\n"); + } + + cmd->size = cpu_to_le16(size); + + return 0; +} + +int nxpwifi_stop_radar_detection(struct nxpwifi_private *priv, + struct cfg80211_chan_def *chandef) +{ + struct nxpwifi_radar_params radar_params; + + memset(&radar_params, 0, sizeof(struct nxpwifi_radar_params)); + radar_params.chandef = chandef; + radar_params.cac_time_ms = 0; + + return nxpwifi_send_cmd(priv, HOST_CMD_CHAN_REPORT_REQUEST, + HOST_ACT_GEN_SET, 0, &radar_params, true); +} + +/* Abort ongoing CAC when stopping AP operations or during unload */ +void nxpwifi_abort_cac(struct nxpwifi_private *priv) +{ + if (priv->wdev.links[0].cac_started) { + if (nxpwifi_stop_radar_detection(priv, &priv->dfs_chandef)) + nxpwifi_dbg(priv->adapter, ERROR, + "failed to stop CAC in FW\n"); + nxpwifi_dbg(priv->adapter, MSG, + "Aborting delayed work for CAC.\n"); + wiphy_delayed_work_cancel(priv->adapter->wiphy, &priv->dfs_cac_work); + cfg80211_cac_event(priv->netdev, &priv->dfs_chandef, + NL80211_RADAR_CAC_ABORTED, GFP_KERNEL, 0); + } +} + +/* + * handles channel report event from FW during CAC period. If radar is detected + * during CAC, driver indicates the same to cfg80211 and also cancels ongoing + * delayed work + */ +int nxpwifi_11h_handle_chanrpt_ready(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct host_cmd_ds_chan_rpt_event *rpt_event; + struct nxpwifi_ie_types_chan_rpt_data *rpt; + u16 event_len, tlv_len; + + rpt_event = (void *)(skb->data + sizeof(u32)); + event_len = skb->len - (sizeof(struct host_cmd_ds_chan_rpt_event) + + sizeof(u32)); + + if (le32_to_cpu(rpt_event->result) != HOST_RESULT_OK) { + nxpwifi_dbg(priv->adapter, ERROR, + "Error in channel report event\n"); + return -EINVAL; + } + + while (event_len >= sizeof(struct nxpwifi_ie_types_header)) { + rpt = (void *)&rpt_event->tlvbuf; + tlv_len = le16_to_cpu(rpt->header.len); + + switch (le16_to_cpu(rpt->header.type)) { + case TLV_TYPE_CHANRPT_11H_BASIC: + if (rpt->meas_rpt_map & MEAS_RPT_MAP_RADAR_MASK) { + nxpwifi_dbg(priv->adapter, MSG, + "RADAR Detected on channel %d!\n", + priv->dfs_chandef.chan->hw_value); + + wiphy_delayed_work_cancel(priv->adapter->wiphy, + &priv->dfs_cac_work); + cfg80211_cac_event(priv->netdev, + &priv->dfs_chandef, + NL80211_RADAR_CAC_ABORTED, + GFP_KERNEL, 0); + cfg80211_radar_event(priv->adapter->wiphy, + &priv->dfs_chandef, + GFP_KERNEL); + } + break; + default: + break; + } + + event_len -= (tlv_len + sizeof(rpt->header)); + } + + return 0; +} + +/* Handler for radar detected event from FW */ +int nxpwifi_11h_handle_radar_detected(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_radar_det_event *rdr_event; + + rdr_event = (void *)(skb->data + sizeof(u32)); + + nxpwifi_dbg(priv->adapter, MSG, + "radar detected; indicating kernel\n"); + + if (priv->wdev.links[0].cac_started) { + if (nxpwifi_stop_radar_detection(priv, &priv->dfs_chandef)) + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to stop CAC in FW\n"); + wiphy_delayed_work_cancel(priv->adapter->wiphy, &priv->dfs_cac_work); + cfg80211_cac_event(priv->netdev, &priv->dfs_chandef, + NL80211_RADAR_CAC_ABORTED, GFP_KERNEL, 0); + } + cfg80211_radar_event(priv->adapter->wiphy, &priv->dfs_chandef, + GFP_KERNEL); + nxpwifi_dbg(priv->adapter, MSG, "regdomain: %d\n", + rdr_event->reg_domain); + nxpwifi_dbg(priv->adapter, MSG, "radar detection type: %d\n", + rdr_event->det_type); + + return 0; +} + +/* + * work function for channel switch handling. takes care of updating new channel + * definitin to bss config structure, restart AP and indicate channel switch + * success to cfg80211 + */ +void nxpwifi_dfs_chan_sw_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct nxpwifi_uap_bss_param *bss_cfg; + struct wiphy_delayed_work *delayed_work = + container_of(work, struct wiphy_delayed_work, work); + struct nxpwifi_private *priv = container_of(delayed_work, + struct nxpwifi_private, + dfs_chan_sw_work); + struct nxpwifi_adapter *adapter = priv->adapter; + + if (nxpwifi_del_mgmt_ies(priv)) + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to delete mgmt IEs!\n"); + + bss_cfg = &priv->bss_cfg; + if (!bss_cfg->beacon_period) { + nxpwifi_dbg(adapter, ERROR, + "channel switch: AP already stopped\n"); + return; + } + + if (nxpwifi_send_cmd(priv, HOST_CMD_UAP_BSS_STOP, + HOST_ACT_GEN_SET, 0, NULL, true)) { + nxpwifi_dbg(adapter, ERROR, + "channel switch: Failed to stop the BSS\n"); + return; + } + + if (nxpwifi_cfg80211_change_beacon(adapter->wiphy, priv->netdev, + &priv->ap_update_info)) { + nxpwifi_dbg(adapter, ERROR, + "channel switch: Failed to set beacon\n"); + return; + } + + nxpwifi_uap_set_channel(priv, bss_cfg, priv->dfs_chandef); + + if (nxpwifi_config_start_uap(priv, bss_cfg)) { + nxpwifi_dbg(adapter, ERROR, + "Failed to start AP after channel switch\n"); + return; + } + + nxpwifi_dbg(adapter, MSG, + "indicating channel switch completion to kernel\n"); + + cfg80211_ch_switch_notify(priv->netdev, &priv->dfs_chandef, 0); + + if (priv->uap_stop_tx) { + netif_carrier_on(priv->netdev); + nxpwifi_wake_up_net_dev_queue(priv->netdev, adapter); + priv->uap_stop_tx = false; + } +} diff --git a/drivers/net/wireless/nxp/nxpwifi/11n.c b/drivers/net/wireless/nxp/nxpwifi/11n.c new file mode 100644 index 000000000000..e46c5053d509 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11n.c @@ -0,0 +1,837 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi 802.11n helpers + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" +#include "11ax.h" + +/* + * Fills HT capability information field, AMPDU Parameters field, HT extended + * capability field, and supported MCS set fields. + * + * HT capability information field, AMPDU Parameters field, supported MCS set + * fields are retrieved from cfg80211 stack + * + * RD responder bit to set to clear in the extended capability header. + */ +int nxpwifi_fill_cap_info(struct nxpwifi_private *priv, u8 radio_type, + struct ieee80211_ht_cap *ht_cap) +{ + u16 ht_cap_info; + u16 bcn_ht_cap = le16_to_cpu(ht_cap->cap_info); + u16 ht_ext_cap = le16_to_cpu(ht_cap->extended_ht_cap_info); + struct ieee80211_supported_band *sband = + priv->wdev.wiphy->bands[radio_type]; + + if (WARN_ON_ONCE(!sband)) { + nxpwifi_dbg(priv->adapter, ERROR, "Invalid radio type!\n"); + return -EINVAL; + } + + ht_cap->ampdu_params_info = + (AMPDU_FACTOR_64K & IEEE80211_HT_AMPDU_PARM_FACTOR) | + ((priv->adapter->hw_mpdu_density << + IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT) & + IEEE80211_HT_AMPDU_PARM_DENSITY); + + memcpy((u8 *)&ht_cap->mcs, &sband->ht_cap.mcs, + sizeof(sband->ht_cap.mcs)); + + if (priv->bss_mode == NL80211_IFTYPE_STATION || + (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 && + priv->adapter->sec_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_NONE)) + /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ + SETHT_MCS32(ht_cap->mcs.rx_mask); + + /* Clear RD responder bit */ + ht_ext_cap &= ~IEEE80211_HT_EXT_CAP_RD_RESPONDER; + + ht_cap_info = sband->ht_cap.cap; + if (bcn_ht_cap) { + if (!(bcn_ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) + ht_cap_info &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; + if (!(bcn_ht_cap & IEEE80211_HT_CAP_SGI_40)) + ht_cap_info &= ~IEEE80211_HT_CAP_SGI_40; + if (!(bcn_ht_cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT)) + ht_cap_info &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; + } + ht_cap->cap_info = cpu_to_le16(ht_cap_info); + ht_cap->extended_ht_cap_info = cpu_to_le16(ht_ext_cap); + + if (ISSUPP_BEAMFORMING(priv->adapter->hw_dot_11n_dev_cap)) + ht_cap->tx_BF_cap_info = cpu_to_le32(NXPWIFI_DEF_11N_TX_BF_CAP); + + return 0; +} + +/* Return BA stream entry that matches the requested status. */ +static struct nxpwifi_tx_ba_stream_tbl * +nxpwifi_get_ba_status(struct nxpwifi_private *priv, int tid, + enum nxpwifi_ba_status ba_status) +{ + struct nxpwifi_tx_ba_stream_tbl *tx_ba_tsr_tbl, *found = NULL; + + guard(rcu)(); + list_for_each_entry_rcu(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr[tid], list) { + if (tx_ba_tsr_tbl->ba_status == ba_status) { + found = tx_ba_tsr_tbl; + break; + } + } + return found; +} + +/* Handle DELBA command response (recreate or continue ADDBA as needed). */ +int nxpwifi_ret_11n_delba(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp) +{ + int tid; + struct nxpwifi_tx_ba_stream_tbl *tx_ba_tbl; + struct host_cmd_ds_11n_delba *del_ba = &resp->params.del_ba; + u16 del_ba_param_set = le16_to_cpu(del_ba->del_ba_param_set); + + tid = del_ba_param_set >> DELBA_TID_POS; + if (del_ba->del_result == BA_RESULT_SUCCESS) { + nxpwifi_del_ba_tbl(priv, tid, del_ba->peer_mac_addr, + TYPE_DELBA_SENT, + INITIATOR_BIT(del_ba_param_set)); + + tx_ba_tbl = nxpwifi_get_ba_status(priv, tid, BA_SETUP_INPROGRESS); + if (tx_ba_tbl) + nxpwifi_send_addba(priv, tx_ba_tbl->tid, + tx_ba_tbl->ra); + } else { + /* + * In case of failure, recreate the deleted stream in case + * we initiated the DELBA + */ + if (!INITIATOR_BIT(del_ba_param_set)) + return 0; + + nxpwifi_create_ba_tbl(priv, del_ba->peer_mac_addr, tid, + BA_SETUP_INPROGRESS); + + tx_ba_tbl = nxpwifi_get_ba_status(priv, tid, BA_SETUP_INPROGRESS); + + if (tx_ba_tbl) + nxpwifi_del_ba_tbl(priv, tx_ba_tbl->tid, tx_ba_tbl->ra, + TYPE_DELBA_SENT, true); + } + + return 0; +} + +/* Handle ADDBA response; delete BA stream on failure. */ +int nxpwifi_ret_11n_addba_req(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp) +{ + int tid, tid_down; + struct host_cmd_ds_11n_addba_rsp *add_ba_rsp = &resp->params.add_ba_rsp; + struct nxpwifi_tx_ba_stream_tbl *tx_ba_tbl; + struct nxpwifi_ra_list_tbl *ra_list; + u16 block_ack_param_set = le16_to_cpu(add_ba_rsp->block_ack_param_set); + + add_ba_rsp->ssn = cpu_to_le16((le16_to_cpu(add_ba_rsp->ssn)) + & SSN_MASK); + + tid = u16_get_bits(block_ack_param_set, IEEE80211_ADDBA_PARAM_TID_MASK); + + tid_down = nxpwifi_wmm_downgrade_tid(priv, tid); + ra_list = nxpwifi_wmm_get_ralist_node(priv, tid_down, + add_ba_rsp->peer_mac_addr); + if (le16_to_cpu(add_ba_rsp->status_code) != BA_RESULT_SUCCESS) { + if (ra_list) { + ra_list->ba_status = BA_SETUP_NONE; + ra_list->amsdu_in_ampdu = false; + } + nxpwifi_del_ba_tbl(priv, tid, add_ba_rsp->peer_mac_addr, + TYPE_DELBA_SENT, true); + if (add_ba_rsp->add_rsp_result != BA_RESULT_TIMEOUT) + priv->aggr_prio_tbl[tid].ampdu_ap = + BA_STREAM_NOT_ALLOWED; + return 0; + } + + guard(rcu)(); + tx_ba_tbl = nxpwifi_get_ba_tbl(priv, tid, add_ba_rsp->peer_mac_addr); + if (tx_ba_tbl) { + nxpwifi_dbg(priv->adapter, EVENT, "info: BA stream complete\n"); + tx_ba_tbl->ba_status = BA_SETUP_COMPLETE; + if ((block_ack_param_set & IEEE80211_ADDBA_PARAM_AMSDU_MASK) && + priv->add_ba_param.tx_amsdu && + priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) + tx_ba_tbl->amsdu = true; + else + tx_ba_tbl->amsdu = false; + if (ra_list) { + ra_list->amsdu_in_ampdu = tx_ba_tbl->amsdu; + ra_list->ba_status = BA_SETUP_COMPLETE; + } + } else { + nxpwifi_dbg(priv->adapter, ERROR, "BA stream not created\n"); + } + + return 0; +} + +/* + * Reconfigure Tx buffer command. + * Set command ID/action/size; set Tx buffer size on SET; ensure little-endian. + */ +int nxpwifi_cmd_recfg_tx_buf(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, int cmd_action, + u16 *buf_size) +{ + struct host_cmd_ds_txbuf_cfg *tx_buf = &cmd->params.tx_buf; + u16 action = (u16)cmd_action; + + cmd->command = cpu_to_le16(HOST_CMD_RECONFIGURE_TX_BUFF); + cmd->size = + cpu_to_le16(sizeof(struct host_cmd_ds_txbuf_cfg) + S_DS_GEN); + tx_buf->action = cpu_to_le16(action); + switch (action) { + case HOST_ACT_GEN_SET: + nxpwifi_dbg(priv->adapter, CMD, + "cmd: set tx_buf=%d\n", *buf_size); + tx_buf->buff_size = cpu_to_le16(*buf_size); + break; + case HOST_ACT_GEN_GET: + default: + tx_buf->buff_size = 0; + break; + } + return 0; +} + +/* + * AMSDU aggregation control command. + * Set ID/action/size; set AMSDU params on SET; ensure little-endian. + */ +int nxpwifi_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd, + int cmd_action, + struct nxpwifi_ds_11n_amsdu_aggr_ctrl *aa_ctrl) +{ + struct host_cmd_ds_amsdu_aggr_ctrl *amsdu_ctrl = + &cmd->params.amsdu_aggr_ctrl; + u16 action = (u16)cmd_action; + + cmd->command = cpu_to_le16(HOST_CMD_AMSDU_AGGR_CTRL); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_amsdu_aggr_ctrl) + + S_DS_GEN); + amsdu_ctrl->action = cpu_to_le16(action); + switch (action) { + case HOST_ACT_GEN_SET: + amsdu_ctrl->enable = cpu_to_le16(aa_ctrl->enable); + amsdu_ctrl->curr_buf_size = 0; + break; + case HOST_ACT_GEN_GET: + default: + amsdu_ctrl->curr_buf_size = 0; + break; + } + return 0; +} + +/* + * 11n configuration command. + * Set action, HT Tx capability/info, and misc config when 11ac HW is present. + */ +int nxpwifi_cmd_11n_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_ds_11n_tx_cfg *txcfg) +{ + struct host_cmd_ds_11n_cfg *htcfg = &cmd->params.htcfg; + + cmd->command = cpu_to_le16(HOST_CMD_11N_CFG); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_11n_cfg) + S_DS_GEN); + htcfg->action = cpu_to_le16(cmd_action); + htcfg->ht_tx_cap = cpu_to_le16(txcfg->tx_htcap); + htcfg->ht_tx_info = cpu_to_le16(txcfg->tx_htinfo); + + if (priv->adapter->is_hw_11ac_capable) + htcfg->misc_config = cpu_to_le16(txcfg->misc_config); + + return 0; +} + +/* + * Append 11n TLVs to the caller-owned buffer. + * Caller allocates space; no size checks here. + * May add: HT Cap, HT Operation + channel list, 20/40 BSS Coexistence, + * and Extended Capabilities (HS2/TWT bits when applicable). + */ +int +nxpwifi_cmd_append_11n_tlv(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc, + u8 **buffer) +{ + struct nxpwifi_ie_types_htcap *ht_cap; + struct nxpwifi_ie_types_chan_list_param_set *chan_list; + struct nxpwifi_chan_scan_param_set *chan_param; + struct nxpwifi_ie_types_2040bssco *bss_co_2040; + struct nxpwifi_ie_types_extcap *ext_cap; + int ret_len = 0; + struct ieee80211_supported_band *sband; + struct element *hdr; + u8 radio_type; + + if (!buffer || !*buffer) + return ret_len; + + radio_type = nxpwifi_band_to_radio_type((u8)bss_desc->bss_band); + sband = priv->wdev.wiphy->bands[radio_type]; + + if (bss_desc->bcn_ht_cap) { + ht_cap = (struct nxpwifi_ie_types_htcap *)*buffer; + memset(ht_cap, 0, sizeof(struct nxpwifi_ie_types_htcap)); + ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); + ht_cap->header.len = + cpu_to_le16(sizeof(struct ieee80211_ht_cap)); + memcpy((u8 *)ht_cap + sizeof(struct nxpwifi_ie_types_header), + (u8 *)bss_desc->bcn_ht_cap, + le16_to_cpu(ht_cap->header.len)); + + nxpwifi_fill_cap_info(priv, radio_type, &ht_cap->ht_cap); + /* Update HT40 capability from current channel. */ + if (bss_desc->bcn_ht_oper) { + u8 ht_param = bss_desc->bcn_ht_oper->ht_param; + u8 radio = + nxpwifi_band_to_radio_type(bss_desc->bss_band); + int freq = + ieee80211_channel_to_frequency(bss_desc->channel, + radio); + struct ieee80211_channel *chan = + ieee80211_get_channel(priv->adapter->wiphy, freq); + + switch (ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { + case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: + if (chan->flags & IEEE80211_CHAN_NO_HT40PLUS) { + ht_cap->ht_cap.cap_info &= + cpu_to_le16 + (~IEEE80211_HT_CAP_SUP_WIDTH_20_40); + ht_cap->ht_cap.cap_info &= + cpu_to_le16(~IEEE80211_HT_CAP_SGI_40); + } + break; + case IEEE80211_HT_PARAM_CHA_SEC_BELOW: + if (chan->flags & IEEE80211_CHAN_NO_HT40MINUS) { + ht_cap->ht_cap.cap_info &= + cpu_to_le16 + (~IEEE80211_HT_CAP_SUP_WIDTH_20_40); + ht_cap->ht_cap.cap_info &= + cpu_to_le16(~IEEE80211_HT_CAP_SGI_40); + } + break; + } + } + + *buffer += sizeof(struct nxpwifi_ie_types_htcap); + ret_len += sizeof(struct nxpwifi_ie_types_htcap); + } + + if (bss_desc->bcn_ht_oper) { + chan_list = + (struct nxpwifi_ie_types_chan_list_param_set *)*buffer; + chan_param = chan_list->chan_scan_param; + memset(chan_list, 0, struct_size(chan_list, chan_scan_param, 1)); + chan_list->header.type = cpu_to_le16(TLV_TYPE_CHANLIST); + chan_list->header.len = cpu_to_le16(sizeof(*chan_param)); + chan_param->chan_number = bss_desc->bcn_ht_oper->primary_chan; + chan_param->band_cfg = + nxpwifi_band_to_radio_type((u8)bss_desc->bss_band); + + if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) && + bss_desc->bcn_vht_oper && + bss_desc->bcn_vht_oper->chan_width == + IEEE80211_VHT_CHANWIDTH_80MHZ) { + SET_SECONDARYCHAN(chan_param->band_cfg, + (bss_desc->bcn_ht_oper->ht_param & + IEEE80211_HT_PARAM_CHA_SEC_OFFSET)); + chan_param->band_cfg |= + ((CHAN_BW_80MHZ << + BAND_CFG_CHAN_WIDTH_SHIFT_BIT) & + BAND_CFG_CHAN_WIDTH_MASK); + } else if (sband->ht_cap.cap & + IEEE80211_HT_CAP_SUP_WIDTH_20_40 && + bss_desc->bcn_ht_oper->ht_param & + IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) { + SET_SECONDARYCHAN(chan_param->band_cfg, + (bss_desc->bcn_ht_oper->ht_param & + IEEE80211_HT_PARAM_CHA_SEC_OFFSET)); + chan_param->band_cfg |= + ((CHAN_BW_40MHZ << + BAND_CFG_CHAN_WIDTH_SHIFT_BIT) & + BAND_CFG_CHAN_WIDTH_MASK); + } + + *buffer += struct_size(chan_list, chan_scan_param, 1); + ret_len += struct_size(chan_list, chan_scan_param, 1); + } + + if (bss_desc->bcn_bss_co_2040) { + bss_co_2040 = (struct nxpwifi_ie_types_2040bssco *)*buffer; + memset(bss_co_2040, 0, + sizeof(struct nxpwifi_ie_types_2040bssco)); + bss_co_2040->header.type = cpu_to_le16(WLAN_EID_BSS_COEX_2040); + bss_co_2040->header.len = + cpu_to_le16(sizeof(bss_co_2040->bss_co_2040)); + + memcpy((u8 *)bss_co_2040 + + sizeof(struct nxpwifi_ie_types_header), + bss_desc->bcn_bss_co_2040 + + sizeof(struct element), + le16_to_cpu(bss_co_2040->header.len)); + + *buffer += sizeof(struct nxpwifi_ie_types_2040bssco); + ret_len += sizeof(struct nxpwifi_ie_types_2040bssco); + } + + if (bss_desc->bcn_ext_cap) { + u8 *ext_capab; + + hdr = (void *)bss_desc->bcn_ext_cap; + + ext_capab = (u8 *)cfg80211_find_ie(WLAN_EID_EXT_CAPABILITY, priv->gen_ie_buf, + priv->gen_ie_buf_len); + if (ext_capab) { + ext_capab += 2; + } else { + ext_cap = (struct nxpwifi_ie_types_extcap *)*buffer; + memset(ext_cap, 0, sizeof(struct nxpwifi_ie_types_extcap) + hdr->datalen); + ext_cap->header.type = cpu_to_le16(WLAN_EID_EXT_CAPABILITY); + ext_cap->header.len = cpu_to_le16(hdr->datalen); + ext_capab = ext_cap->ext_capab; + *buffer += sizeof(struct nxpwifi_ie_types_extcap) + hdr->datalen; + ret_len += sizeof(struct nxpwifi_ie_types_extcap) + hdr->datalen; + } + + if (hdr->datalen > 3 && + ext_capab[3] & WLAN_EXT_CAPA4_INTERWORKING_ENABLED) + priv->hs2_enabled = true; + else + priv->hs2_enabled = false; + + if (nxpwifi_is_11ax_twt_supported(priv, bss_desc)) + ext_capab[9] |= + WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT; + } + return ret_len; +} + +/* Check if pointer is a valid Tx BA stream entry. */ +static bool +nxpwifi_is_tx_ba_stream_ptr_valid(struct nxpwifi_private *priv, + struct nxpwifi_tx_ba_stream_tbl *tx_tbl_ptr) +{ + struct nxpwifi_tx_ba_stream_tbl *tx_ba_tsr_tbl; + bool ret = false; + int tid; + + tid = tx_tbl_ptr->tid; + guard(rcu)(); + list_for_each_entry_rcu(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr[tid], list) { + if (tx_ba_tsr_tbl == tx_tbl_ptr) { + ret = true; + break; + } + } + return ret; +} + +/* Delete a Tx BA stream entry (after validating pointer). */ +void +nxpwifi_11n_delete_tx_ba_stream_tbl_entry(struct nxpwifi_private *priv, + struct nxpwifi_tx_ba_stream_tbl *tbl) +{ + if (!tbl && nxpwifi_is_tx_ba_stream_ptr_valid(priv, tbl)) + return; + + nxpwifi_dbg(priv->adapter, INFO, + "info: tx_ba_tsr_tbl %p\n", tbl); + + list_del_rcu(&tbl->list); + kfree_rcu(tbl, rcu); +} + +/* Delete all entries in Tx BA stream table. */ +void nxpwifi_11n_delete_all_tx_ba_stream_tbl(struct nxpwifi_private *priv) +{ + int i; + struct nxpwifi_tx_ba_stream_tbl *del_tbl_ptr, *tmp_node; + + for (i = 0; i < MAX_NUM_TID; i++) { + spin_lock_bh(&priv->tx_ba_stream_tbl_lock[i]); + list_for_each_entry_safe(del_tbl_ptr, tmp_node, + &priv->tx_ba_stream_tbl_ptr[i], list) + nxpwifi_11n_delete_tx_ba_stream_tbl_entry(priv, del_tbl_ptr); + spin_unlock_bh(&priv->tx_ba_stream_tbl_lock[i]); + + INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr[i]); + + priv->aggr_prio_tbl[i].ampdu_ap = + priv->aggr_prio_tbl[i].ampdu_user; + } +} + +/* Return BA stream entry for given RA/TID. */ +struct nxpwifi_tx_ba_stream_tbl * +nxpwifi_get_ba_tbl(struct nxpwifi_private *priv, int tid, u8 *ra) +{ + struct nxpwifi_tx_ba_stream_tbl *tx_ba_tsr_tbl = NULL; + + list_for_each_entry_rcu(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr[tid], list) { + if (ether_addr_equal_unaligned(tx_ba_tsr_tbl->ra, ra) && + tx_ba_tsr_tbl->tid == tid) + return tx_ba_tsr_tbl; + } + return NULL; +} + +/* Create Tx BA stream entry for given RA/TID. */ +void nxpwifi_create_ba_tbl(struct nxpwifi_private *priv, u8 *ra, int tid, + enum nxpwifi_ba_status ba_status) +{ + struct nxpwifi_tx_ba_stream_tbl *new_node; + struct nxpwifi_ra_list_tbl *ra_list; + int tid_down; + struct nxpwifi_tx_ba_stream_tbl *tx_ba_tbl; + + guard(rcu)(); + tx_ba_tbl = nxpwifi_get_ba_tbl(priv, tid, ra); + + if (!tx_ba_tbl) { + new_node = kzalloc_obj(*new_node, GFP_ATOMIC); + if (!new_node) + return; + + tid_down = nxpwifi_wmm_downgrade_tid(priv, tid); + ra_list = nxpwifi_wmm_get_ralist_node(priv, tid_down, ra); + if (ra_list) { + ra_list->ba_status = ba_status; + ra_list->amsdu_in_ampdu = false; + } + INIT_LIST_HEAD(&new_node->list); + + new_node->tid = tid; + new_node->ba_status = ba_status; + memcpy(new_node->ra, ra, ETH_ALEN); + + spin_lock_bh(&priv->tx_ba_stream_tbl_lock[tid]); + list_add_tail_rcu(&new_node->list, &priv->tx_ba_stream_tbl_ptr[tid]); + spin_unlock_bh(&priv->tx_ba_stream_tbl_lock[tid]); + } +} + +/* Send ADDBA request to the given TID/RA. */ +int nxpwifi_send_addba(struct nxpwifi_private *priv, int tid, u8 *peer_mac) +{ + struct host_cmd_ds_11n_addba_req add_ba_req; + u32 tx_win_size = priv->add_ba_param.tx_win_size; + static u8 dialog_tok; + u16 block_ack_param_set; + + nxpwifi_dbg(priv->adapter, CMD, "cmd: %s: tid %d\n", __func__, tid); + + memset(&add_ba_req, 0, sizeof(add_ba_req)); + + block_ack_param_set = (u16)((tid << BLOCKACKPARAM_TID_POS) | + tx_win_size << BLOCKACKPARAM_WINSIZE_POS | + IMMEDIATE_BLOCK_ACK); + + /* enable AMSDU inside AMPDU */ + if (priv->add_ba_param.tx_amsdu && + priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) + block_ack_param_set |= IEEE80211_ADDBA_PARAM_AMSDU_MASK; + + add_ba_req.block_ack_param_set = cpu_to_le16(block_ack_param_set); + add_ba_req.block_ack_tmo = cpu_to_le16((u16)priv->add_ba_param.timeout); + + ++dialog_tok; + + if (dialog_tok == 0) + dialog_tok = 1; + + add_ba_req.dialog_token = dialog_tok; + memcpy(&add_ba_req.peer_mac_addr, peer_mac, ETH_ALEN); + + /* We don't wait for the response of this command */ + return nxpwifi_send_cmd(priv, HOST_CMD_11N_ADDBA_REQ, + 0, 0, &add_ba_req, false); +} + +/* Send DELBA request to the given TID/RA. */ +int nxpwifi_send_delba(struct nxpwifi_private *priv, int tid, u8 *peer_mac, + int initiator) +{ + struct host_cmd_ds_11n_delba delba; + u16 del_ba_param_set; + + memset(&delba, 0, sizeof(delba)); + + del_ba_param_set = tid << DELBA_TID_POS; + + if (initiator) + del_ba_param_set |= IEEE80211_DELBA_PARAM_INITIATOR_MASK; + else + del_ba_param_set &= ~IEEE80211_DELBA_PARAM_INITIATOR_MASK; + + delba.del_ba_param_set = cpu_to_le16(del_ba_param_set); + memcpy(&delba.peer_mac_addr, peer_mac, ETH_ALEN); + + /* We don't wait for the response of this command */ + return nxpwifi_send_cmd(priv, HOST_CMD_11N_DELBA, + HOST_ACT_GEN_SET, 0, &delba, false); +} + +/* Send DELBA to specific TID. */ +void nxpwifi_11n_delba(struct nxpwifi_private *priv, int tid) +{ + struct nxpwifi_rx_reorder_tbl *rx_reor_tbl_ptr; + u8 ta[ETH_ALEN]; + bool found = false; + + rcu_read_lock(); + list_for_each_entry_rcu(rx_reor_tbl_ptr, &priv->rx_reorder_tbl_ptr[tid], list) { + if (rx_reor_tbl_ptr->tid == tid) { + memcpy(ta, rx_reor_tbl_ptr->ta, ETH_ALEN); + found = true; + break; + } + } + rcu_read_unlock(); + + if (found) { + nxpwifi_dbg(priv->adapter, INFO, + "Send delba to tid=%d, %pM\n", tid, ta); + nxpwifi_send_delba(priv, tid, ta, 0); + } +} + +/* Handle DELBA event; remove BA stream. */ +void nxpwifi_11n_delete_ba_stream(struct nxpwifi_private *priv, u8 *del_ba) +{ + struct host_cmd_ds_11n_delba *cmd_del_ba = + (struct host_cmd_ds_11n_delba *)del_ba; + u16 del_ba_param_set = le16_to_cpu(cmd_del_ba->del_ba_param_set); + int tid; + + tid = del_ba_param_set >> DELBA_TID_POS; + + nxpwifi_del_ba_tbl(priv, tid, cmd_del_ba->peer_mac_addr, + TYPE_DELBA_RECEIVE, INITIATOR_BIT(del_ba_param_set)); +} + +/* Retrieve Rx reordering table. */ +int nxpwifi_get_rx_reorder_tbl(struct nxpwifi_private *priv, + struct nxpwifi_ds_rx_reorder_tbl *buf) +{ + int i, j; + struct nxpwifi_ds_rx_reorder_tbl *rx_reo_tbl = buf; + struct nxpwifi_rx_reorder_tbl *rx_reorder_tbl_ptr; + int count = 0; + + guard(rcu)(); + for (j = 0; j < MAX_NUM_TID; j++) { + list_for_each_entry_rcu(rx_reorder_tbl_ptr, + &priv->rx_reorder_tbl_ptr[j], + list) { + rx_reo_tbl->tid = (u16)rx_reorder_tbl_ptr->tid; + memcpy(rx_reo_tbl->ta, rx_reorder_tbl_ptr->ta, ETH_ALEN); + rx_reo_tbl->start_win = rx_reorder_tbl_ptr->start_win; + rx_reo_tbl->win_size = rx_reorder_tbl_ptr->win_size; + for (i = 0; i < rx_reorder_tbl_ptr->win_size; ++i) { + if (rx_reorder_tbl_ptr->rx_reorder_ptr[i]) + rx_reo_tbl->buffer[i] = true; + else + rx_reo_tbl->buffer[i] = false; + } + rx_reo_tbl++; + count++; + + if (count >= NXPWIFI_MAX_RX_BASTREAM_SUPPORTED) + return count; + } + } + + return count; +} + +/* Retrieve Tx BA stream table. */ +int nxpwifi_get_tx_ba_stream_tbl(struct nxpwifi_private *priv, + struct nxpwifi_ds_tx_ba_stream_tbl *buf) +{ + struct nxpwifi_tx_ba_stream_tbl *tx_ba_tsr_tbl; + struct nxpwifi_ds_tx_ba_stream_tbl *rx_reo_tbl = buf; + int count = 0; + int i; + + guard(rcu)(); + for (i = 0; i < MAX_NUM_TID; i++) { + list_for_each_entry_rcu(tx_ba_tsr_tbl, &priv->tx_ba_stream_tbl_ptr[i], list) { + rx_reo_tbl->tid = (u16)tx_ba_tsr_tbl->tid; + nxpwifi_dbg(priv->adapter, DATA, "data: %s tid=%d\n", + __func__, rx_reo_tbl->tid); + memcpy(rx_reo_tbl->ra, tx_ba_tsr_tbl->ra, ETH_ALEN); + rx_reo_tbl->amsdu = tx_ba_tsr_tbl->amsdu; + rx_reo_tbl++; + count++; + if (count >= NXPWIFI_MAX_TX_BASTREAM_SUPPORTED) + return count; + } + } + + return count; +} + +/* Delete Tx BA stream entry by RA. */ +void nxpwifi_del_tx_ba_stream_tbl_by_ra(struct nxpwifi_private *priv, u8 *ra) +{ + struct nxpwifi_tx_ba_stream_tbl *tbl; + int i; + + if (!ra) + return; + + for (i = 0; i < MAX_NUM_TID; i++) { + spin_lock_bh(&priv->tx_ba_stream_tbl_lock[i]); + list_for_each_entry_rcu(tbl, &priv->tx_ba_stream_tbl_ptr[i], list) + if (!memcmp(tbl->ra, ra, ETH_ALEN)) + nxpwifi_11n_delete_tx_ba_stream_tbl_entry(priv, tbl); + + spin_unlock_bh(&priv->tx_ba_stream_tbl_lock[i]); + } +} + +/* Initialize BlockAck parameters. */ +void nxpwifi_set_ba_params(struct nxpwifi_private *priv) +{ + priv->add_ba_param.timeout = NXPWIFI_DEFAULT_BLOCK_ACK_TIMEOUT; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + priv->add_ba_param.tx_win_size = + NXPWIFI_UAP_AMPDU_DEF_TXWINSIZE; + priv->add_ba_param.rx_win_size = + NXPWIFI_UAP_AMPDU_DEF_RXWINSIZE; + } else { + priv->add_ba_param.tx_win_size = + NXPWIFI_STA_AMPDU_DEF_TXWINSIZE; + priv->add_ba_param.rx_win_size = + NXPWIFI_STA_AMPDU_DEF_RXWINSIZE; + } + + priv->add_ba_param.tx_amsdu = true; + priv->add_ba_param.rx_amsdu = true; +} + +u8 nxpwifi_get_sec_chan_offset(int chan) +{ + u8 sec_offset; + + switch (chan) { + case 36: + case 44: + case 52: + case 60: + case 100: + case 108: + case 116: + case 124: + case 132: + case 140: + case 149: + case 157: + case 173: + sec_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + break; + case 40: + case 48: + case 56: + case 64: + case 104: + case 112: + case 120: + case 128: + case 136: + case 144: + case 153: + case 161: + case 169: + case 177: + sec_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW; + break; + case 165: + default: + sec_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; + break; + } + + return sec_offset; +} + +/* Send DELBA to entries in the Tx BA stream table. */ +static void +nxpwifi_send_delba_txbastream_tbl(struct nxpwifi_private *priv, u8 tid) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_tx_ba_stream_tbl *tx_ba_stream_tbl_ptr; + + guard(rcu)(); + list_for_each_entry_rcu(tx_ba_stream_tbl_ptr, + &priv->tx_ba_stream_tbl_ptr[tid], list) { + if (tx_ba_stream_tbl_ptr->ba_status == BA_SETUP_COMPLETE) { + if (tid == tx_ba_stream_tbl_ptr->tid) { + nxpwifi_dbg(adapter, INFO, + "Tx:Send delba to tid=%d, %pM\n", tid, + tx_ba_stream_tbl_ptr->ra); + nxpwifi_send_delba(priv, + tx_ba_stream_tbl_ptr->tid, + tx_ba_stream_tbl_ptr->ra, 1); + break; + } + } + } +} + +/* + * Update tx_win_size for all interfaces and send DELBA when it changes. + */ +void nxpwifi_update_ampdu_txwinsize(struct nxpwifi_adapter *adapter) +{ + u8 i, j; + u32 tx_win_size; + struct nxpwifi_private *priv; + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + tx_win_size = priv->add_ba_param.tx_win_size; + + if (priv->bss_type == NXPWIFI_BSS_TYPE_STA) + priv->add_ba_param.tx_win_size = + NXPWIFI_STA_AMPDU_DEF_TXWINSIZE; + + if (priv->bss_type == NXPWIFI_BSS_TYPE_UAP) + priv->add_ba_param.tx_win_size = + NXPWIFI_UAP_AMPDU_DEF_TXWINSIZE; + + if (adapter->coex_win_size) { + if (adapter->coex_tx_win_size) + priv->add_ba_param.tx_win_size = + adapter->coex_tx_win_size; + } + + if (tx_win_size != priv->add_ba_param.tx_win_size) { + if (!priv->media_connected) + continue; + for (j = 0; j < MAX_NUM_TID; j++) + nxpwifi_send_delba_txbastream_tbl(priv, j); + } + } +} diff --git a/drivers/net/wireless/nxp/nxpwifi/11n.h b/drivers/net/wireless/nxp/nxpwifi/11n.h new file mode 100644 index 000000000000..039c45993f07 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11n.h @@ -0,0 +1,158 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * nxpwifi: 802.11n support + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_11N_H_ +#define _NXPWIFI_11N_H_ + +#include "11n_aggr.h" +#include "11n_rxreorder.h" +#include "wmm.h" + +int nxpwifi_ret_11n_delba(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp); +int nxpwifi_ret_11n_addba_req(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp); +int nxpwifi_cmd_11n_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, u16 cmd_action, + struct nxpwifi_ds_11n_tx_cfg *txcfg); +int nxpwifi_cmd_append_11n_tlv(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc, + u8 **buffer); +int nxpwifi_fill_cap_info(struct nxpwifi_private *priv, u8 radio_type, + struct ieee80211_ht_cap *ht_cap); +int nxpwifi_set_get_11n_htcap_cfg(struct nxpwifi_private *priv, + u16 action, int *htcap_cfg); +void nxpwifi_11n_delete_tx_ba_stream_tbl_entry(struct nxpwifi_private *priv, + struct nxpwifi_tx_ba_stream_tbl + *tx_tbl); +void nxpwifi_11n_delete_all_tx_ba_stream_tbl(struct nxpwifi_private *priv); +struct nxpwifi_tx_ba_stream_tbl *nxpwifi_get_ba_tbl(struct nxpwifi_private + *priv, int tid, u8 *ra); +void nxpwifi_create_ba_tbl(struct nxpwifi_private *priv, u8 *ra, int tid, + enum nxpwifi_ba_status ba_status); +int nxpwifi_send_addba(struct nxpwifi_private *priv, int tid, u8 *peer_mac); +int nxpwifi_send_delba(struct nxpwifi_private *priv, int tid, u8 *peer_mac, + int initiator); +void nxpwifi_11n_delete_ba_stream(struct nxpwifi_private *priv, u8 *del_ba); +int nxpwifi_get_rx_reorder_tbl(struct nxpwifi_private *priv, + struct nxpwifi_ds_rx_reorder_tbl *buf); +int nxpwifi_get_tx_ba_stream_tbl(struct nxpwifi_private *priv, + struct nxpwifi_ds_tx_ba_stream_tbl *buf); +int nxpwifi_cmd_recfg_tx_buf(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + int cmd_action, u16 *buf_size); +int nxpwifi_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd, + int cmd_action, + struct nxpwifi_ds_11n_amsdu_aggr_ctrl *aa_ctrl); +void nxpwifi_del_tx_ba_stream_tbl_by_ra(struct nxpwifi_private *priv, u8 *ra); +u8 nxpwifi_get_sec_chan_offset(int chan); + +static inline bool +nxpwifi_is_station_ampdu_allowed(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ptr, int tid) +{ + struct nxpwifi_sta_node *node; + + guard(rcu)(); + node = nxpwifi_get_sta_entry(priv, ptr->ra); + if (unlikely(!node)) + return false; + + if (node->ampdu_sta[tid] == BA_STREAM_NOT_ALLOWED) + return false; + + return true; +} + +/* Check if AMPDU is allowed for the given TID. */ +static inline bool +nxpwifi_is_ampdu_allowed(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ptr, int tid) +{ + if (is_broadcast_ether_addr(ptr->ra)) + return false; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) + return nxpwifi_is_station_ampdu_allowed(priv, ptr, tid); + + return priv->aggr_prio_tbl[tid].ampdu_ap != BA_STREAM_NOT_ALLOWED; +} + +/* Check if AMSDU is allowed for the given TID. */ +static inline bool +nxpwifi_is_amsdu_allowed(struct nxpwifi_private *priv, int tid) +{ + bool amsdu_enabled = priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED; + bool rate_ok = priv->is_data_rate_auto || !(priv->bitmap_rates[2] & 0x03); + + return amsdu_enabled && rate_ok; +} + +/* Check if there is available space for a new BA stream. */ +static inline bool +nxpwifi_space_avail_for_new_ba_stream(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + u8 i, j; + size_t ba_stream_num = 0; + size_t ba_stream_max = NXPWIFI_MAX_TX_BASTREAM_SUPPORTED; + + if (adapter->fw_api_ver == NXPWIFI_FW_V15) { + ba_stream_max = GETSUPP_TXBASTREAMS(adapter->hw_dot_11n_dev_cap); + if (!ba_stream_max) + ba_stream_max = NXPWIFI_MAX_TX_BASTREAM_SUPPORTED; + } + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + for (j = 0; j < MAX_NUM_TID; j++) + ba_stream_num += list_count_nodes(&priv->tx_ba_stream_tbl_ptr[j]); + } + + return ba_stream_num < ba_stream_max; +} + +/* Find the Tx BA stream to delete and return its TID and RA. */ +static inline bool +nxpwifi_find_stream_to_delete(struct nxpwifi_private *priv, int ptr_tid, + int *ptid, u8 *ra) +{ + int search_tid = priv->aggr_prio_tbl[ptr_tid].ampdu_user; + bool found = false; + struct nxpwifi_tx_ba_stream_tbl *tx_tbl; + int candidate_tid; + + spin_lock_bh(&priv->tx_ba_stream_tbl_lock[ptr_tid]); + + list_for_each_entry(tx_tbl, &priv->tx_ba_stream_tbl_ptr[ptr_tid], list) { + candidate_tid = priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user; + + if (search_tid > candidate_tid) { + search_tid = candidate_tid; + *ptid = tx_tbl->tid; + memcpy(ra, tx_tbl->ra, ETH_ALEN); + found = true; + } + } + + spin_unlock_bh(&priv->tx_ba_stream_tbl_lock[ptr_tid]); + + return found; +} + +/* Check whether the associated station is 11n enabled. */ +static inline int nxpwifi_is_sta_11n_enabled(struct nxpwifi_private *priv, + struct nxpwifi_sta_node *node) +{ + if (!node || (priv->bss_role == NXPWIFI_BSS_ROLE_UAP && + !priv->ap_11n_enabled)) + return 0; + + return node->is_11n_enabled; +} + +#endif /* !_NXPWIFI_11N_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/11n_aggr.c b/drivers/net/wireless/nxp/nxpwifi/11n_aggr.c new file mode 100644 index 000000000000..be7080f2a6ce --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11n_aggr.c @@ -0,0 +1,251 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: 802.11n Aggregation + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "wmm.h" +#include "11n.h" +#include "11n_aggr.h" + +/* + * Build an AMSDU subframe for aggregation, with fields + * (DA | SA | Length | SNAP header | MSDU), and compute padding + * to align the subframe to a 4-byte boundary. + */ +static int nxpwifi_11n_form_amsdu_pkt(struct sk_buff *skb_aggr, + struct sk_buff *skb_src, int *pad) + +{ + int dt_offset; + struct rfc_1042_hdr snap = { + 0xaa, /* LLC DSAP */ + 0xaa, /* LLC SSAP */ + 0x03, /* LLC CTRL */ + {0x00, 0x00, 0x00}, /* SNAP OUI */ + 0x0000 /* SNAP type */ + /* This field will be overwritten later with ethertype */ + }; + struct tx_packet_hdr *tx_header; + + tx_header = skb_put(skb_aggr, sizeof(*tx_header)); + + /* Copy DA and SA */ + dt_offset = 2 * ETH_ALEN; + memcpy(&tx_header->eth803_hdr, skb_src->data, dt_offset); + + /* Copy SNAP header */ + snap.snap_type = ((struct ethhdr *)skb_src->data)->h_proto; + + dt_offset += sizeof(__be16); + + memcpy(&tx_header->rfc1042_hdr, &snap, sizeof(struct rfc_1042_hdr)); + + skb_pull(skb_src, dt_offset); + + /* Update Length field */ + tx_header->eth803_hdr.h_proto = htons(skb_src->len + LLC_SNAP_LEN); + + /* Add payload */ + skb_put_data(skb_aggr, skb_src->data, skb_src->len); + + /* Add padding for new MSDU to start from 4 byte boundary */ + *pad = (4 - ((unsigned long)skb_aggr->tail & 0x3)) % 4; + + return skb_aggr->len + *pad; +} + +/* + * Adds TxPD to AMSDU header. Each AMSDU packet will contain one TxPD at the + * beginning, followed by multiple AMSDU subframes + */ +static void +nxpwifi_11n_form_amsdu_txpd(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct txpd *local_tx_pd; + + skb_push(skb, sizeof(*local_tx_pd)); + + local_tx_pd = (struct txpd *)skb->data; + memset(local_tx_pd, 0, sizeof(struct txpd)); + + /* Original priority has been overwritten */ + local_tx_pd->priority = (u8)skb->priority; + local_tx_pd->pkt_delay_2ms = + nxpwifi_wmm_compute_drv_pkt_delay(priv, skb); + local_tx_pd->bss_num = priv->bss_num; + local_tx_pd->bss_type = priv->bss_type; + /* Always zero as the data is followed by struct txpd */ + local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd)); + local_tx_pd->tx_pkt_type = cpu_to_le16(PKT_TYPE_AMSDU); + local_tx_pd->tx_pkt_length = cpu_to_le16(skb->len - + sizeof(*local_tx_pd)); + + if (local_tx_pd->tx_control == 0) + /* TxCtrl set by user or default */ + local_tx_pd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl); + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA && + priv->adapter->pps_uapsd_mode) { + if (nxpwifi_check_last_packet_indication(priv)) { + priv->adapter->tx_lock_flag = true; + local_tx_pd->flags = + NXPWIFI_TxPD_POWER_MGMT_LAST_PACKET; + } + } +} + +/* + * Build an aggregated MSDU packet by encapsulating buffers from the RA + * list as AMSDU subframes and concatenating them. A TxPD is prepended + * before transmission to form the final AMSDU packet. + */ +int +nxpwifi_11n_aggregate_pkt(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *pra_list, + int ptrindex) + __releases(&priv->wmm.ra_list_spinlock) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct sk_buff *skb_aggr, *skb_src; + struct nxpwifi_txinfo *tx_info_aggr, *tx_info_src; + int pad = 0, aggr_num = 0, ret; + struct nxpwifi_tx_param tx_param; + struct txpd *ptx_pd = NULL; + int headroom = adapter->intf_hdr_len; + + skb_src = skb_peek(&pra_list->skb_head); + if (!skb_src) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + return 0; + } + + tx_info_src = NXPWIFI_SKB_TXCB(skb_src); + skb_aggr = nxpwifi_alloc_dma_align_buf(adapter->tx_buf_size, + GFP_ATOMIC); + if (!skb_aggr) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + return -ENOMEM; + } + + /* + * skb_aggr->data already 64 byte align, just reserve bus interface + * header and txpd. + */ + skb_reserve(skb_aggr, headroom + sizeof(struct txpd)); + tx_info_aggr = NXPWIFI_SKB_TXCB(skb_aggr); + + memset(tx_info_aggr, 0, sizeof(*tx_info_aggr)); + tx_info_aggr->bss_type = tx_info_src->bss_type; + tx_info_aggr->bss_num = tx_info_src->bss_num; + + tx_info_aggr->flags |= NXPWIFI_BUF_FLAG_AGGR_PKT; + skb_aggr->priority = skb_src->priority; + skb_aggr->tstamp = skb_src->tstamp; + + do { + /* Check if AMSDU can accommodate this MSDU */ + if ((skb_aggr->len + skb_src->len + LLC_SNAP_LEN) > + adapter->tx_buf_size) + break; + + skb_src = skb_dequeue(&pra_list->skb_head); + pra_list->total_pkt_count--; + atomic_dec(&priv->wmm.tx_pkts_queued); + aggr_num++; + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + nxpwifi_11n_form_amsdu_pkt(skb_aggr, skb_src, &pad); + + nxpwifi_write_data_complete(adapter, skb_src, 0, 0); + + spin_lock_bh(&priv->wmm.ra_list_spinlock); + + if (!nxpwifi_is_ralist_valid(priv, pra_list, ptrindex)) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + return -ENOENT; + } + + if (skb_tailroom(skb_aggr) < pad) { + pad = 0; + break; + } + skb_put(skb_aggr, pad); + + skb_src = skb_peek(&pra_list->skb_head); + + } while (skb_src); + + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + + /* Last AMSDU packet does not need padding */ + skb_trim(skb_aggr, skb_aggr->len - pad); + + /* Form AMSDU */ + nxpwifi_11n_form_amsdu_txpd(priv, skb_aggr); + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) + ptx_pd = (struct txpd *)skb_aggr->data; + + skb_push(skb_aggr, headroom); + tx_info_aggr->aggr_num = aggr_num * 2; + if (adapter->data_sent || adapter->tx_lock_flag) { + atomic_add(aggr_num * 2, &adapter->tx_queued); + skb_queue_tail(&adapter->tx_data_q, skb_aggr); + return 0; + } + + if (skb_src) + tx_param.next_pkt_len = skb_src->len + sizeof(struct txpd); + else + tx_param.next_pkt_len = 0; + + ret = adapter->if_ops.host_to_card(adapter, NXPWIFI_TYPE_DATA, + skb_aggr, &tx_param); + + switch (ret) { + case -EBUSY: + spin_lock_bh(&priv->wmm.ra_list_spinlock); + if (!nxpwifi_is_ralist_valid(priv, pra_list, ptrindex)) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + nxpwifi_write_data_complete(adapter, skb_aggr, 1, -1); + return -EINVAL; + } + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA && + adapter->pps_uapsd_mode && adapter->tx_lock_flag) { + priv->adapter->tx_lock_flag = false; + if (ptx_pd) + ptx_pd->flags = 0; + } + + skb_queue_tail(&pra_list->skb_head, skb_aggr); + + pra_list->total_pkt_count++; + + atomic_inc(&priv->wmm.tx_pkts_queued); + + tx_info_aggr->flags |= NXPWIFI_BUF_FLAG_REQUEUED_PKT; + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + nxpwifi_dbg(adapter, ERROR, "data: -EBUSY is returned\n"); + break; + case -EINPROGRESS: + break; + case 0: + nxpwifi_write_data_complete(adapter, skb_aggr, 1, ret); + break; + default: + nxpwifi_dbg(adapter, ERROR, "%s: host_to_card failed: %#x\n", + __func__, ret); + adapter->dbg.num_tx_host_to_card_failure++; + nxpwifi_write_data_complete(adapter, skb_aggr, 1, ret); + break; + } + if (ret != -EBUSY) + nxpwifi_rotate_priolists(priv, pra_list, ptrindex); + + return 0; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/11n_aggr.h b/drivers/net/wireless/nxp/nxpwifi/11n_aggr.h new file mode 100644 index 000000000000..be9f0f8f4e48 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11n_aggr.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * NXP Wireless LAN device driver: 802.11n Aggregation + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_11N_AGGR_H_ +#define _NXPWIFI_11N_AGGR_H_ + +#define PKT_TYPE_AMSDU 0xE6 +#define MIN_NUM_AMSDU 2 + +int nxpwifi_11n_deaggregate_pkt(struct nxpwifi_private *priv, + struct sk_buff *skb); +int nxpwifi_11n_aggregate_pkt(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ptr, + int ptr_index) + __releases(&priv->wmm.ra_list_spinlock); + +#endif /* !_NXPWIFI_11N_AGGR_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/11n_rxreorder.c b/drivers/net/wireless/nxp/nxpwifi/11n_rxreorder.c new file mode 100644 index 000000000000..c5819f89b08c --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11n_rxreorder.c @@ -0,0 +1,826 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: 802.11n RX Re-ordering + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" +#include "11n_rxreorder.h" +/* Dispatch A-MSDU to stack. */ +static int nxpwifi_11n_dispatch_amsdu_pkt(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct rxpd *local_rx_pd = (struct rxpd *)(skb->data); + int ret; + + if (le16_to_cpu(local_rx_pd->rx_pkt_type) == PKT_TYPE_AMSDU) { + struct sk_buff_head list; + struct sk_buff *rx_skb; + + __skb_queue_head_init(&list); + + skb_pull(skb, le16_to_cpu(local_rx_pd->rx_pkt_offset)); + skb_trim(skb, le16_to_cpu(local_rx_pd->rx_pkt_length)); + + ieee80211_amsdu_to_8023s(skb, &list, priv->curr_addr, + priv->wdev.iftype, 0, NULL, NULL, false); + + while (!skb_queue_empty(&list)) { + rx_skb = __skb_dequeue(&list); + + if (priv->bss_role == NXPWIFI_BSS_ROLE_UAP) + ret = nxpwifi_uap_recv_packet(priv, rx_skb); + else + ret = nxpwifi_recv_packet(priv, rx_skb); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "Rx of A-MSDU failed"); + } + return 0; + } + + return -EINVAL; +} + +/* Process RX packet and forward to stack. */ +static int nxpwifi_11n_dispatch_pkt(struct nxpwifi_private *priv, + struct sk_buff *payload) +{ + int ret; + + if (!payload) { + nxpwifi_dbg(priv->adapter, INFO, "info: fw drop data\n"); + return 0; + } + + ret = nxpwifi_11n_dispatch_amsdu_pkt(priv, payload); + if (!ret) + return 0; + + if (priv->bss_role == NXPWIFI_BSS_ROLE_UAP) + return nxpwifi_handle_uap_rx_forward(priv, payload); + + return nxpwifi_process_rx_packet(priv, payload); +} + +/* Dispatch packets up to start_win. */ +static void +nxpwifi_11n_dispatch_pkt_until_start_win(struct nxpwifi_private *priv, + struct nxpwifi_rx_reorder_tbl *tbl, + int start_win) +{ + struct sk_buff_head list; + struct sk_buff *skb; + int pkt_to_send, i, tid; + + tid = tbl->tid; + __skb_queue_head_init(&list); + spin_lock_bh(&priv->rx_reorder_tbl_lock[tid]); + + pkt_to_send = (start_win > tbl->start_win) ? + min((start_win - tbl->start_win), tbl->win_size) : + tbl->win_size; + + for (i = 0; i < pkt_to_send; ++i) { + if (tbl->rx_reorder_ptr[i]) { + skb = tbl->rx_reorder_ptr[i]; + __skb_queue_tail(&list, skb); + tbl->rx_reorder_ptr[i] = NULL; + } + } + + /* Simulate circular buffer via rotation. */ + for (i = 0; i < tbl->win_size - pkt_to_send; ++i) { + tbl->rx_reorder_ptr[i] = tbl->rx_reorder_ptr[pkt_to_send + i]; + tbl->rx_reorder_ptr[pkt_to_send + i] = NULL; + } + + tbl->start_win = start_win; + spin_unlock_bh(&priv->rx_reorder_tbl_lock[tid]); + + while ((skb = __skb_dequeue(&list))) + nxpwifi_11n_dispatch_pkt(priv, skb); +} + +/* Dispatch packets until a hole is found. */ +static void +nxpwifi_11n_scan_and_dispatch(struct nxpwifi_private *priv, + struct nxpwifi_rx_reorder_tbl *tbl) +{ + struct sk_buff_head list; + struct sk_buff *skb; + int i, j, xchg, tid; + + tid = tbl->tid; + __skb_queue_head_init(&list); + spin_lock_bh(&priv->rx_reorder_tbl_lock[tid]); + + for (i = 0; i < tbl->win_size; ++i) { + if (!tbl->rx_reorder_ptr[i]) + break; + skb = tbl->rx_reorder_ptr[i]; + __skb_queue_tail(&list, skb); + tbl->rx_reorder_ptr[i] = NULL; + } + + /* Simulate circular buffer via rotation. */ + if (i > 0) { + xchg = tbl->win_size - i; + for (j = 0; j < xchg; ++j) { + tbl->rx_reorder_ptr[j] = tbl->rx_reorder_ptr[i + j]; + tbl->rx_reorder_ptr[i + j] = NULL; + } + } + tbl->start_win = (tbl->start_win + i) & (MAX_TID_VALUE - 1); + + spin_unlock_bh(&priv->rx_reorder_tbl_lock[tid]); + + while ((skb = __skb_dequeue(&list))) + nxpwifi_11n_dispatch_pkt(priv, skb); +} + +/* Delete RX reorder entry and flush pending packets. */ +static void +nxpwifi_del_rx_reorder_entry(struct nxpwifi_private *priv, + struct nxpwifi_rx_reorder_tbl *tbl) +{ + int start_win, tid; + + if (!tbl) + return; + + tid = tbl->tid; + + atomic_set(&priv->adapter->rx_ba_teardown_pending, 1); + flush_workqueue(priv->adapter->rx_workqueue); + + start_win = (tbl->start_win + tbl->win_size) & (MAX_TID_VALUE - 1); + nxpwifi_11n_dispatch_pkt_until_start_win(priv, tbl, start_win); + + timer_delete_sync(&tbl->timer_context.timer); + tbl->timer_context.timer_is_set = false; + + spin_lock_bh(&priv->rx_reorder_tbl_lock[tid]); + list_del_rcu(&tbl->list); + spin_unlock_bh(&priv->rx_reorder_tbl_lock[tid]); + + kfree(tbl->rx_reorder_ptr); + kfree_rcu(tbl, rcu); + + atomic_set(&priv->adapter->rx_ba_teardown_pending, 0); +} + +/* Lookup RX reorder entry by TID/TA. */ +struct nxpwifi_rx_reorder_tbl * +nxpwifi_11n_get_rx_reorder_tbl(struct nxpwifi_private *priv, int tid, u8 *ta) +{ + struct nxpwifi_rx_reorder_tbl *tbl, *found = NULL; + + guard(rcu)(); + + list_for_each_entry_rcu(tbl, &priv->rx_reorder_tbl_ptr[tid], list) { + if (!memcmp(tbl->ta, ta, ETH_ALEN) && tbl->tid == tid) { + found = tbl; + break; + } + } + + return found; +} + +/* Delete RX reorder entries by TA. */ +void nxpwifi_11n_del_rx_reorder_tbl_by_ta(struct nxpwifi_private *priv, u8 *ta) +{ + struct nxpwifi_rx_reorder_tbl *tbl, *tmp; + LIST_HEAD(to_delete); + int i; + + if (!ta) + return; + + for (i = 0; i < MAX_NUM_TID; i++) { + guard(rcu)(); + list_for_each_entry_rcu(tbl, &priv->rx_reorder_tbl_ptr[i], list) { + if (!memcmp(tbl->ta, ta, ETH_ALEN)) { + INIT_LIST_HEAD(&tbl->tmp_list); + list_add_tail(&tbl->tmp_list, &to_delete); + } + } + + list_for_each_entry_safe(tbl, tmp, &to_delete, tmp_list) + nxpwifi_del_rx_reorder_entry(priv, tbl); + + INIT_LIST_HEAD(&to_delete); + } +} + +/* Find last buffered sequence index. */ +static int +nxpwifi_11n_find_last_seq_num(struct reorder_tmr_cnxt *ctx) +{ + struct nxpwifi_rx_reorder_tbl *rx_reorder_tbl_ptr = ctx->ptr; + int i; + + guard(rcu)(); + for (i = rx_reorder_tbl_ptr->win_size - 1; i >= 0; --i) { + if (rx_reorder_tbl_ptr->rx_reorder_ptr[i]) + return i; + } + + return -EINVAL; +} + +/* Flush and dispatch buffered packets on timer. */ +static void +nxpwifi_flush_data(struct timer_list *t) +{ + struct reorder_tmr_cnxt *ctx = + timer_container_of(ctx, t, timer); + int start_win, seq_num; + + ctx->timer_is_set = false; + seq_num = nxpwifi_11n_find_last_seq_num(ctx); + + if (seq_num < 0) + return; + + nxpwifi_dbg(ctx->priv->adapter, INFO, "info: flush data %d\n", seq_num); + start_win = (ctx->ptr->start_win + seq_num + 1) & (MAX_TID_VALUE - 1); + nxpwifi_11n_dispatch_pkt_until_start_win(ctx->priv, ctx->ptr, + start_win); +} + +/* Create RX reorder entry (TID/TA, SSN, winsize, timer). */ +static void +nxpwifi_11n_create_rx_reorder_tbl(struct nxpwifi_private *priv, u8 *ta, + int tid, int win_size, int seq_num) +{ + int i; + struct nxpwifi_rx_reorder_tbl *tbl, *new_node; + u16 last_seq = 0; + struct nxpwifi_sta_node *node; + + /* Existing TID/TA: flush and move window to SSN. */ + tbl = nxpwifi_11n_get_rx_reorder_tbl(priv, tid, ta); + if (tbl) { + nxpwifi_11n_dispatch_pkt_until_start_win(priv, tbl, seq_num); + return; + } + /* if !tbl then create one */ + new_node = kzalloc_obj(*new_node, GFP_KERNEL); + if (!new_node) + return; + + INIT_LIST_HEAD(&new_node->list); + new_node->tid = tid; + memcpy(new_node->ta, ta, ETH_ALEN); + new_node->start_win = seq_num; + new_node->init_win = seq_num; + new_node->flags = 0; + + if (nxpwifi_queuing_ra_based(priv)) { + if (priv->bss_role == NXPWIFI_BSS_ROLE_UAP) { + guard(rcu)(); + node = nxpwifi_get_sta_entry(priv, ta); + if (node) + last_seq = node->rx_seq[tid]; + } + } else { + guard(rcu)(); + node = nxpwifi_get_sta_entry(priv, ta); + if (node) + last_seq = node->rx_seq[tid]; + else + last_seq = priv->rx_seq[tid]; + } + + nxpwifi_dbg(priv->adapter, INFO, + "info: last_seq=%d start_win=%d\n", + last_seq, new_node->start_win); + + if (last_seq != NXPWIFI_DEF_11N_RX_SEQ_NUM && + last_seq >= new_node->start_win) { + new_node->start_win = last_seq + 1; + new_node->flags |= RXREOR_INIT_WINDOW_SHIFT; + } + + new_node->win_size = win_size; + + new_node->rx_reorder_ptr = kcalloc(win_size, sizeof(void *), + GFP_KERNEL); + if (!new_node->rx_reorder_ptr) { + kfree(new_node); + nxpwifi_dbg(priv->adapter, ERROR, + "%s: failed to alloc reorder_ptr\n", __func__); + return; + } + + new_node->timer_context.ptr = new_node; + new_node->timer_context.priv = priv; + new_node->timer_context.timer_is_set = false; + + timer_setup(&new_node->timer_context.timer, nxpwifi_flush_data, 0); + + for (i = 0; i < win_size; ++i) + new_node->rx_reorder_ptr[i] = NULL; + + spin_lock_bh(&priv->rx_reorder_tbl_lock[tid]); + list_add_tail_rcu(&new_node->list, &priv->rx_reorder_tbl_ptr[tid]); + spin_unlock_bh(&priv->rx_reorder_tbl_lock[tid]); +} + +static void +nxpwifi_11n_rxreorder_timer_restart(struct nxpwifi_rx_reorder_tbl *tbl) +{ + u32 min_flush_time; + + if (tbl->win_size >= NXPWIFI_BA_WIN_SIZE_32) + min_flush_time = MIN_FLUSH_TIMER_15_MS; + else + min_flush_time = MIN_FLUSH_TIMER_MS; + + mod_timer(&tbl->timer_context.timer, + jiffies + msecs_to_jiffies(min_flush_time * tbl->win_size)); + + tbl->timer_context.timer_is_set = true; +} + +/* Prepare ADDBA request. */ +int nxpwifi_cmd_11n_addba_req(struct host_cmd_ds_command *cmd, void *data_buf) +{ + struct host_cmd_ds_11n_addba_req *add_ba_req = &cmd->params.add_ba_req; + + cmd->command = cpu_to_le16(HOST_CMD_11N_ADDBA_REQ); + cmd->size = cpu_to_le16(sizeof(*add_ba_req) + S_DS_GEN); + memcpy(add_ba_req, data_buf, sizeof(*add_ba_req)); + + return 0; +} + +/* Prepare ADDBA response and create RX reorder table. */ +int nxpwifi_cmd_11n_addba_rsp_gen(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + struct host_cmd_ds_11n_addba_req + *cmd_addba_req) +{ + struct host_cmd_ds_11n_addba_rsp *add_ba_rsp = &cmd->params.add_ba_rsp; + u32 rx_win_size = priv->add_ba_param.rx_win_size; + u8 tid; + int win_size; + u16 block_ack_param_set; + + cmd->command = cpu_to_le16(HOST_CMD_11N_ADDBA_RSP); + cmd->size = cpu_to_le16(sizeof(*add_ba_rsp) + S_DS_GEN); + + memcpy(add_ba_rsp->peer_mac_addr, cmd_addba_req->peer_mac_addr, + ETH_ALEN); + add_ba_rsp->dialog_token = cmd_addba_req->dialog_token; + add_ba_rsp->block_ack_tmo = cmd_addba_req->block_ack_tmo; + add_ba_rsp->ssn = cmd_addba_req->ssn; + + block_ack_param_set = le16_to_cpu(cmd_addba_req->block_ack_param_set); + tid = (block_ack_param_set & IEEE80211_ADDBA_PARAM_TID_MASK) + >> BLOCKACKPARAM_TID_POS; + add_ba_rsp->status_code = cpu_to_le16(ADDBA_RSP_STATUS_ACCEPT); + block_ack_param_set &= ~IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK; + + /* If we don't support AMSDU inside AMPDU, reset the bit */ + if (!priv->add_ba_param.rx_amsdu || + priv->aggr_prio_tbl[tid].amsdu == BA_STREAM_NOT_ALLOWED) + block_ack_param_set &= ~IEEE80211_ADDBA_PARAM_AMSDU_MASK; + block_ack_param_set |= rx_win_size << BLOCKACKPARAM_WINSIZE_POS; + add_ba_rsp->block_ack_param_set = cpu_to_le16(block_ack_param_set); + win_size = (le16_to_cpu(add_ba_rsp->block_ack_param_set) + & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) + >> BLOCKACKPARAM_WINSIZE_POS; + cmd_addba_req->block_ack_param_set = cpu_to_le16(block_ack_param_set); + + nxpwifi_11n_create_rx_reorder_tbl(priv, cmd_addba_req->peer_mac_addr, + tid, win_size, + le16_to_cpu(cmd_addba_req->ssn)); + return 0; +} + +/* Prepare DELBA command. */ +int nxpwifi_cmd_11n_delba(struct host_cmd_ds_command *cmd, void *data_buf) +{ + struct host_cmd_ds_11n_delba *del_ba = &cmd->params.del_ba; + + cmd->command = cpu_to_le16(HOST_CMD_11N_DELBA); + cmd->size = cpu_to_le16(sizeof(*del_ba) + S_DS_GEN); + memcpy(del_ba, data_buf, sizeof(*del_ba)); + + return 0; +} + +/* Decide and perform RX reordering for a packet. */ +int nxpwifi_11n_rx_reorder_pkt(struct nxpwifi_private *priv, + u16 seq_num, u16 tid, + u8 *ta, u8 pkt_type, void *payload) +{ + struct nxpwifi_rx_reorder_tbl *tbl; + int prev_start_win, start_win, end_win, win_size; + u16 pkt_index; + bool init_window_shift = false; + int ret = 0; + + tbl = nxpwifi_11n_get_rx_reorder_tbl(priv, tid, ta); + if (!tbl) { + if (pkt_type != PKT_TYPE_BAR) + nxpwifi_11n_dispatch_pkt(priv, payload); + return ret; + } + + if (pkt_type == PKT_TYPE_AMSDU && !tbl->amsdu) { + nxpwifi_11n_dispatch_pkt(priv, payload); + return ret; + } + + start_win = tbl->start_win; + prev_start_win = start_win; + win_size = tbl->win_size; + end_win = ((start_win + win_size) - 1) & (MAX_TID_VALUE - 1); + if (tbl->flags & RXREOR_INIT_WINDOW_SHIFT) { + init_window_shift = true; + tbl->flags &= ~RXREOR_INIT_WINDOW_SHIFT; + } + + if (tbl->flags & RXREOR_FORCE_NO_DROP) { + nxpwifi_dbg(priv->adapter, INFO, + "RXREOR_FORCE_NO_DROP when HS is activated\n"); + tbl->flags &= ~RXREOR_FORCE_NO_DROP; + } else if (init_window_shift && seq_num < start_win && + seq_num >= tbl->init_win) { + nxpwifi_dbg(priv->adapter, INFO, + "Sender TID sequence number reset %d->%d for SSN %d\n", + start_win, seq_num, tbl->init_win); + start_win = seq_num; + tbl->start_win = start_win; + end_win = ((start_win + win_size) - 1) & (MAX_TID_VALUE - 1); + } else { + /* Drop packet if seq_num < start_win. */ + if ((start_win + TWOPOW11) > (MAX_TID_VALUE - 1)) { + if (seq_num >= ((start_win + TWOPOW11) & + (MAX_TID_VALUE - 1)) && + seq_num < start_win) { + ret = -EINVAL; + goto done; + } + } else if ((seq_num < start_win) || + (seq_num >= (start_win + TWOPOW11))) { + ret = -EINVAL; + goto done; + } + } + + /* Adjust seq_num for BAR (WinStart = seq_num). */ + if (pkt_type == PKT_TYPE_BAR) + seq_num = ((seq_num + win_size) - 1) & (MAX_TID_VALUE - 1); + + if ((end_win < start_win && + seq_num < start_win && seq_num > end_win) || + (end_win > start_win && (seq_num > end_win || + seq_num < start_win))) { + end_win = seq_num; + if (((end_win - win_size) + 1) >= 0) + start_win = (end_win - win_size) + 1; + else + start_win = (MAX_TID_VALUE - (win_size - end_win)) + 1; + nxpwifi_11n_dispatch_pkt_until_start_win(priv, tbl, start_win); + } + + if (pkt_type != PKT_TYPE_BAR) { + if (seq_num >= start_win) + pkt_index = seq_num - start_win; + else + pkt_index = (seq_num + MAX_TID_VALUE) - start_win; + + if (tbl->rx_reorder_ptr[pkt_index]) { + ret = -EINVAL; + goto done; + } + + tbl->rx_reorder_ptr[pkt_index] = payload; + } + + /* Dispatch sequentially until a hole; update start_win. */ + nxpwifi_11n_scan_and_dispatch(priv, tbl); + +done: + if (!tbl->timer_context.timer_is_set || + prev_start_win != tbl->start_win) + nxpwifi_11n_rxreorder_timer_restart(tbl); + return ret; +} + +/* Delete BA entry for TID/TA. */ +void +nxpwifi_del_ba_tbl(struct nxpwifi_private *priv, int tid, u8 *peer_mac, + u8 type, int initiator) +{ + struct nxpwifi_rx_reorder_tbl *tbl; + struct nxpwifi_tx_ba_stream_tbl *ptx_tbl; + struct nxpwifi_ra_list_tbl *ra_list; + u8 cleanup_rx_reorder_tbl; + int tid_down; + + if (type == TYPE_DELBA_RECEIVE) + cleanup_rx_reorder_tbl = (initiator) ? true : false; + else + cleanup_rx_reorder_tbl = (initiator) ? false : true; + + nxpwifi_dbg(priv->adapter, EVENT, "event: DELBA: %pM tid=%d initiator=%d\n", + peer_mac, tid, initiator); + + if (cleanup_rx_reorder_tbl) { + tbl = nxpwifi_11n_get_rx_reorder_tbl(priv, tid, peer_mac); + if (!tbl) { + nxpwifi_dbg(priv->adapter, EVENT, + "event: TID, TA not found in table\n"); + return; + } + nxpwifi_del_rx_reorder_entry(priv, tbl); + } else { + guard(rcu)(); + ptx_tbl = nxpwifi_get_ba_tbl(priv, tid, peer_mac); + + if (!ptx_tbl) { + nxpwifi_dbg(priv->adapter, EVENT, + "event: TID, RA not found in table\n"); + return; + } + + tid_down = nxpwifi_wmm_downgrade_tid(priv, tid); + ra_list = nxpwifi_wmm_get_ralist_node(priv, tid_down, peer_mac); + if (ra_list) { + ra_list->amsdu_in_ampdu = false; + ra_list->ba_status = BA_SETUP_NONE; + } + spin_lock_bh(&priv->tx_ba_stream_tbl_lock[tid]); + nxpwifi_11n_delete_tx_ba_stream_tbl_entry(priv, ptx_tbl); + spin_unlock_bh(&priv->tx_ba_stream_tbl_lock[tid]); + } +} + +/* Handle ADDBA response. */ +int nxpwifi_ret_11n_addba_resp(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp) +{ + struct host_cmd_ds_11n_addba_rsp *add_ba_rsp = &resp->params.add_ba_rsp; + int tid, win_size; + struct nxpwifi_rx_reorder_tbl *tbl; + u16 block_ack_param_set; + + block_ack_param_set = le16_to_cpu(add_ba_rsp->block_ack_param_set); + + tid = (block_ack_param_set & IEEE80211_ADDBA_PARAM_TID_MASK) + >> BLOCKACKPARAM_TID_POS; + /* Check if we had rejected the ADDBA, if yes then do not create the stream */ + if (le16_to_cpu(add_ba_rsp->status_code) != BA_RESULT_SUCCESS) { + nxpwifi_dbg(priv->adapter, ERROR, "ADDBA RSP: failed %pM tid=%d)\n", + add_ba_rsp->peer_mac_addr, tid); + + tbl = nxpwifi_11n_get_rx_reorder_tbl(priv, tid, + add_ba_rsp->peer_mac_addr); + if (tbl) + nxpwifi_del_rx_reorder_entry(priv, tbl); + + return 0; + } + + win_size = (block_ack_param_set & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) + >> BLOCKACKPARAM_WINSIZE_POS; + + tbl = nxpwifi_11n_get_rx_reorder_tbl(priv, tid, + add_ba_rsp->peer_mac_addr); + if (tbl) { + if ((block_ack_param_set & IEEE80211_ADDBA_PARAM_AMSDU_MASK) && + priv->add_ba_param.rx_amsdu && + priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) + tbl->amsdu = true; + else + tbl->amsdu = false; + } + + nxpwifi_dbg(priv->adapter, CMD, + "cmd: ADDBA RSP: %pM tid=%d ssn=%d win_size=%d\n", + add_ba_rsp->peer_mac_addr, tid, add_ba_rsp->ssn, win_size); + + return 0; +} + +/* Handle BA stream timeout: send DELBA. */ +void nxpwifi_11n_ba_stream_timeout(struct nxpwifi_private *priv, + struct host_cmd_ds_11n_batimeout *event) +{ + struct host_cmd_ds_11n_delba delba; + + memset(&delba, 0, sizeof(struct host_cmd_ds_11n_delba)); + memcpy(delba.peer_mac_addr, event->peer_mac_addr, ETH_ALEN); + + delba.del_ba_param_set |= + cpu_to_le16((u16)event->tid << DELBA_TID_POS); + delba.del_ba_param_set |= + cpu_to_le16((u16)event->origninator << DELBA_INITIATOR_POS); + delba.reason_code = cpu_to_le16(WLAN_REASON_QSTA_TIMEOUT); + nxpwifi_send_cmd(priv, HOST_CMD_11N_DELBA, 0, 0, &delba, false); +} + +/* Cleanup all RX reorder entries. */ +void nxpwifi_11n_cleanup_reorder_tbl(struct nxpwifi_private *priv) +{ + struct nxpwifi_rx_reorder_tbl *del_tbl_ptr, *tmp_node; + LIST_HEAD(to_delete_list); + int i; + + for (i = 0; i < MAX_NUM_TID; i++) { + spin_lock_bh(&priv->rx_reorder_tbl_lock[i]); + list_splice_init(&priv->rx_reorder_tbl_ptr[i], &to_delete_list); + spin_unlock_bh(&priv->rx_reorder_tbl_lock[i]); + + list_for_each_entry_safe(del_tbl_ptr, tmp_node, &to_delete_list, list) + nxpwifi_del_rx_reorder_entry(priv, del_tbl_ptr); + + INIT_LIST_HEAD(&to_delete_list); + } + + nxpwifi_reset_11n_rx_seq_num(priv); +} + +/* Update flags for all RX reorder tables. */ +void nxpwifi_update_rxreor_flags(struct nxpwifi_adapter *adapter, u8 flags) +{ + struct nxpwifi_private *priv; + struct nxpwifi_rx_reorder_tbl *tbl; + int i, j; + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + + for (j = 0; j < MAX_NUM_TID; j++) { + spin_lock_bh(&priv->rx_reorder_tbl_lock[j]); + list_for_each_entry_rcu(tbl, &priv->rx_reorder_tbl_ptr[j], list) + tbl->flags = flags; + spin_unlock_bh(&priv->rx_reorder_tbl_lock[j]); + } + } +} + +/* Update RX window size based on coex flag. */ +static void nxpwifi_update_ampdu_rxwinsize(struct nxpwifi_adapter *adapter, + bool coex_flag) +{ + u8 i, j; + u32 rx_win_size; + struct nxpwifi_private *priv; + + nxpwifi_dbg(adapter, INFO, "Update rxwinsize %d\n", coex_flag); + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + rx_win_size = priv->add_ba_param.rx_win_size; + if (coex_flag) { + if (priv->bss_type == NXPWIFI_BSS_TYPE_STA) + priv->add_ba_param.rx_win_size = + NXPWIFI_STA_COEX_AMPDU_DEF_RXWINSIZE; + if (priv->bss_type == NXPWIFI_BSS_TYPE_UAP) + priv->add_ba_param.rx_win_size = + NXPWIFI_UAP_COEX_AMPDU_DEF_RXWINSIZE; + } else { + if (priv->bss_type == NXPWIFI_BSS_TYPE_STA) + priv->add_ba_param.rx_win_size = + NXPWIFI_STA_AMPDU_DEF_RXWINSIZE; + if (priv->bss_type == NXPWIFI_BSS_TYPE_UAP) + priv->add_ba_param.rx_win_size = + NXPWIFI_UAP_AMPDU_DEF_RXWINSIZE; + } + + if (adapter->coex_win_size && adapter->coex_rx_win_size) + priv->add_ba_param.rx_win_size = + adapter->coex_rx_win_size; + + if (rx_win_size != priv->add_ba_param.rx_win_size) { + if (!priv->media_connected) + continue; + for (j = 0; j < MAX_NUM_TID; j++) + nxpwifi_11n_delba(priv, j); + } + } +} + +/* Check coex for RX BA. */ +void nxpwifi_coex_ampdu_rxwinsize(struct nxpwifi_adapter *adapter) +{ + u8 i; + struct nxpwifi_private *priv; + u8 count = 0; + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) { + if (priv->media_connected) + count++; + } + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + if (priv->bss_started) + count++; + } + if (count >= NXPWIFI_BSS_COEX_COUNT) + break; + } + if (count >= NXPWIFI_BSS_COEX_COUNT) + nxpwifi_update_ampdu_rxwinsize(adapter, true); + else + nxpwifi_update_ampdu_rxwinsize(adapter, false); +} + +/* Handle RXBA sync event. */ +void nxpwifi_11n_rxba_sync_event(struct nxpwifi_private *priv, + u8 *event_buf, u16 len) +{ + struct nxpwifi_ie_types_rxba_sync *tlv_rxba = (void *)event_buf; + u16 tlv_type, tlv_len; + struct nxpwifi_rx_reorder_tbl *rx_reor_tbl_ptr; + u8 i, j; + u16 seq_num, tlv_seq_num, tlv_bitmap_len; + int tlv_buf_left = len; + int ret; + u8 *tmp; + + nxpwifi_dbg_dump(priv->adapter, EVT_D, "RXBA_SYNC event:", + event_buf, len); + while (tlv_buf_left > sizeof(*tlv_rxba)) { + tlv_type = le16_to_cpu(tlv_rxba->header.type); + tlv_len = le16_to_cpu(tlv_rxba->header.len); + if (size_add(sizeof(tlv_rxba->header), tlv_len) > tlv_buf_left) { + nxpwifi_dbg(priv->adapter, WARN, + "TLV size (%zu) overflows event_buf buf_left=%d\n", + size_add(sizeof(tlv_rxba->header), tlv_len), + tlv_buf_left); + return; + } + + if (tlv_type != TLV_TYPE_RXBA_SYNC) { + nxpwifi_dbg(priv->adapter, ERROR, + "Wrong TLV id=0x%x\n", tlv_type); + return; + } + + tlv_seq_num = le16_to_cpu(tlv_rxba->seq_num); + tlv_bitmap_len = le16_to_cpu(tlv_rxba->bitmap_len); + if (size_add(sizeof(*tlv_rxba), tlv_bitmap_len) > tlv_buf_left) { + nxpwifi_dbg(priv->adapter, WARN, + "TLV size (%zu) overflows event_buf buf_left=%d\n", + size_add(sizeof(*tlv_rxba), tlv_bitmap_len), + tlv_buf_left); + return; + } + + nxpwifi_dbg(priv->adapter, INFO, + "%pM tid=%d seq_num=%d bitmap_len=%d\n", + tlv_rxba->mac, tlv_rxba->tid, tlv_seq_num, + tlv_bitmap_len); + + rx_reor_tbl_ptr = + nxpwifi_11n_get_rx_reorder_tbl(priv, tlv_rxba->tid, + tlv_rxba->mac); + if (!rx_reor_tbl_ptr) { + nxpwifi_dbg(priv->adapter, ERROR, + "Can not find rx_reorder_tbl!"); + return; + } + + for (i = 0; i < tlv_bitmap_len; i++) { + for (j = 0 ; j < 8; j++) { + if (tlv_rxba->bitmap[i] & (1 << j)) { + seq_num = (MAX_TID_VALUE - 1) & + (tlv_seq_num + i * 8 + j); + + nxpwifi_dbg(priv->adapter, ERROR, + "drop packet,seq=%d\n", + seq_num); + + ret = nxpwifi_11n_rx_reorder_pkt + (priv, seq_num, tlv_rxba->tid, + tlv_rxba->mac, 0, NULL); + + if (ret) + nxpwifi_dbg(priv->adapter, + ERROR, + "Fail to drop packet"); + } + } + } + + tlv_buf_left -= (sizeof(tlv_rxba->header) + tlv_len); + tmp = (u8 *)tlv_rxba + sizeof(tlv_rxba->header) + tlv_len; + tlv_rxba = (struct nxpwifi_ie_types_rxba_sync *)tmp; + } +} diff --git a/drivers/net/wireless/nxp/nxpwifi/11n_rxreorder.h b/drivers/net/wireless/nxp/nxpwifi/11n_rxreorder.h new file mode 100644 index 000000000000..db95d9db5d1f --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/11n_rxreorder.h @@ -0,0 +1,71 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * NXP Wireless LAN device driver: 802.11n RX Re-ordering + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_11N_RXREORDER_H_ +#define _NXPWIFI_11N_RXREORDER_H_ + +#define MIN_FLUSH_TIMER_MS 50 +#define MIN_FLUSH_TIMER_15_MS 15 +#define NXPWIFI_BA_WIN_SIZE_32 32 + +#define PKT_TYPE_BAR 0xE7 +#define MAX_TID_VALUE (2 << 11) +#define TWOPOW11 (2 << 10) + +#define BLOCKACKPARAM_TID_POS 2 +#define BLOCKACKPARAM_WINSIZE_POS 6 +#define DELBA_TID_POS 12 +#define DELBA_INITIATOR_POS 11 +#define TYPE_DELBA_SENT 1 +#define TYPE_DELBA_RECEIVE 2 +#define IMMEDIATE_BLOCK_ACK 0x2 + +#define ADDBA_RSP_STATUS_ACCEPT 0 + +#define NXPWIFI_DEF_11N_RX_SEQ_NUM 0xffff +#define BA_SETUP_MAX_PACKET_THRESHOLD 16 +#define BA_SETUP_PACKET_OFFSET 16 + +enum nxpwifi_rxreor_flags { + RXREOR_FORCE_NO_DROP = 1 << 0, + RXREOR_INIT_WINDOW_SHIFT = 1 << 1, +}; + +static inline void nxpwifi_reset_11n_rx_seq_num(struct nxpwifi_private *priv) +{ + memset(priv->rx_seq, 0xff, sizeof(priv->rx_seq)); +} + +int nxpwifi_11n_rx_reorder_pkt(struct nxpwifi_private *priv, + u16 seq_num, + u16 tid, u8 *ta, + u8 pkttype, void *payload); +void nxpwifi_del_ba_tbl(struct nxpwifi_private *priv, int tid, + u8 *peer_mac, u8 type, int initiator); +void nxpwifi_11n_ba_stream_timeout(struct nxpwifi_private *priv, + struct host_cmd_ds_11n_batimeout *event); +int nxpwifi_ret_11n_addba_resp(struct nxpwifi_private *priv, + struct host_cmd_ds_command + *resp); +int nxpwifi_cmd_11n_delba(struct host_cmd_ds_command *cmd, + void *data_buf); +int nxpwifi_cmd_11n_addba_rsp_gen(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + struct host_cmd_ds_11n_addba_req + *cmd_addba_req); +int nxpwifi_cmd_11n_addba_req(struct host_cmd_ds_command *cmd, + void *data_buf); +void nxpwifi_11n_cleanup_reorder_tbl(struct nxpwifi_private *priv); +struct nxpwifi_rx_reorder_tbl * +nxpwifi_11n_get_rxreorder_tbl(struct nxpwifi_private *priv, int tid, u8 *ta); +struct nxpwifi_rx_reorder_tbl * +nxpwifi_11n_get_rx_reorder_tbl(struct nxpwifi_private *priv, int tid, u8 *ta); +void nxpwifi_11n_del_rx_reorder_tbl_by_ta(struct nxpwifi_private *priv, u8 *ta); +void nxpwifi_update_rxreor_flags(struct nxpwifi_adapter *adapter, u8 flags); +void nxpwifi_11n_rxba_sync_event(struct nxpwifi_private *priv, + u8 *event_buf, u16 len); +#endif /* _NXPWIFI_11N_RXREORDER_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/Kconfig b/drivers/net/wireless/nxp/nxpwifi/Kconfig new file mode 100644 index 000000000000..3637068574b8 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/Kconfig @@ -0,0 +1,22 @@ +# SPDX-License-Identifier: GPL-2.0-only +config NXPWIFI + tristate "NXP WiFi Driver" + depends on CFG80211 + help + This adds support for wireless adapters based on NXP + 802.11n/ac chipsets. + + If you choose to build it as a module, it will be called + nxpwifi. + +config NXPWIFI_SDIO + tristate "NXP WiFi Driver for IW61x" + depends on NXPWIFI && MMC + select FW_LOADER + select WANT_DEV_COREDUMP + help + This adds support for wireless adapters based on NXP + IW61x interface. + + If you choose to build it as a module, it will be called + nxpwifi_sdio. diff --git a/drivers/net/wireless/nxp/nxpwifi/Makefile b/drivers/net/wireless/nxp/nxpwifi/Makefile new file mode 100644 index 000000000000..8f581429f28d --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/Makefile @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Copyright 2011-2020 NXP +# + + +nxpwifi-y += main.o +nxpwifi-y += init.o +nxpwifi-y += cfp.o +nxpwifi-y += cmdevt.o +nxpwifi-y += util.o +nxpwifi-y += txrx.o +nxpwifi-y += wmm.o +nxpwifi-y += 11n.o +nxpwifi-y += 11ac.o +nxpwifi-y += 11ax.o +nxpwifi-y += 11n_aggr.o +nxpwifi-y += 11n_rxreorder.o +nxpwifi-y += scan.o +nxpwifi-y += join.o +nxpwifi-y += sta_cfg.o +nxpwifi-y += sta_cmd.o +nxpwifi-y += uap_cmd.o +nxpwifi-y += ie.o +nxpwifi-y += sta_event.o +nxpwifi-y += uap_event.o +nxpwifi-y += sta_tx.o +nxpwifi-y += sta_rx.o +nxpwifi-y += uap_txrx.o +nxpwifi-y += cfg80211.o +nxpwifi-y += ethtool.o +nxpwifi-y += 11h.o +nxpwifi-$(CONFIG_DEBUG_FS) += debugfs.o +obj-$(CONFIG_NXPWIFI) += nxpwifi.o + +nxpwifi_sdio-y += sdio.o +obj-$(CONFIG_NXPWIFI_SDIO) += nxpwifi_sdio.o + +ccflags-y += -D__CHECK_ENDIAN diff --git a/drivers/net/wireless/nxp/nxpwifi/cfg.h b/drivers/net/wireless/nxp/nxpwifi/cfg.h new file mode 100644 index 000000000000..8627a3372978 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/cfg.h @@ -0,0 +1,1019 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * NXP Wireless LAN device driver: ioctl data structures & APIs + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_CFG_H_ +#define _NXPWIFI_CFG_H_ + +#include +#include +#include +#include +#include + +#define NUM_WEP_KEYS 4 + +#define NXPWIFI_BSS_COEX_COUNT 2 +#define NXPWIFI_MAX_BSS_NUM (3) + +#define NXPWIFI_MAX_CSA_COUNTERS 5 + +#define NXPWIFI_DMA_ALIGN_SZ 64 +#define NXPWIFI_RX_HEADROOM 64 +#define MAX_TXPD_SZ 32 +#define INTF_HDR_ALIGN 4 +/* special FW 4 address management header */ +#define NXPWIFI_MIN_DATA_HEADER_LEN (NXPWIFI_DMA_ALIGN_SZ + INTF_HDR_ALIGN + \ + MAX_TXPD_SZ) + +#define NXPWIFI_MGMT_FRAME_HEADER_SIZE 8 /* sizeof(pkt_type) + * + sizeof(tx_control) + */ + +#define FRMCTL_LEN 2 +#define DURATION_LEN 2 +#define SEQCTL_LEN 2 +#define NXPWIFI_MGMT_HEADER_LEN (FRMCTL_LEN + FRMCTL_LEN + ETH_ALEN + \ + ETH_ALEN + ETH_ALEN + SEQCTL_LEN + ETH_ALEN) + +#define AUTH_ALG_LEN 2 +#define AUTH_TRANSACTION_LEN 2 +#define AUTH_STATUS_LEN 2 +#define NXPWIFI_AUTH_BODY_LEN (AUTH_ALG_LEN + AUTH_TRANSACTION_LEN + \ + AUTH_STATUS_LEN) + +#define HOST_MLME_AUTH_PENDING BIT(0) +#define HOST_MLME_AUTH_DONE BIT(1) + +#define HOST_MLME_MGMT_MASK (BIT(IEEE80211_STYPE_AUTH >> 4) | \ + BIT(IEEE80211_STYPE_DEAUTH >> 4) | \ + BIT(IEEE80211_STYPE_DISASSOC >> 4)) + +#define AUTH_TX_DEFAULT_WAIT_TIME 2400 + +#define WLAN_AUTH_NONE 0xFFFF + +#define NXPWIFI_MAX_TX_BASTREAM_SUPPORTED 2 +#define NXPWIFI_MAX_RX_BASTREAM_SUPPORTED 16 + +#define NXPWIFI_STA_AMPDU_DEF_TXWINSIZE 64 +#define NXPWIFI_STA_AMPDU_DEF_RXWINSIZE 64 +#define NXPWIFI_STA_COEX_AMPDU_DEF_RXWINSIZE 16 + +#define NXPWIFI_UAP_AMPDU_DEF_TXWINSIZE 32 + +#define NXPWIFI_UAP_COEX_AMPDU_DEF_RXWINSIZE 16 + +#define NXPWIFI_UAP_AMPDU_DEF_RXWINSIZE 16 +#define NXPWIFI_11AC_STA_AMPDU_DEF_TXWINSIZE 64 +#define NXPWIFI_11AC_STA_AMPDU_DEF_RXWINSIZE 64 +#define NXPWIFI_11AC_UAP_AMPDU_DEF_TXWINSIZE 64 +#define NXPWIFI_11AC_UAP_AMPDU_DEF_RXWINSIZE 64 + +#define NXPWIFI_DEFAULT_BLOCK_ACK_TIMEOUT 0xffff + +#define NXPWIFI_RATE_BITMAP_MCS0 32 + +#define NXPWIFI_RX_DATA_BUF_SIZE (4 * 1024) +#define NXPWIFI_RX_CMD_BUF_SIZE (2 * 1024) + +#define NXPWIFI_BEACON_PERIOD_MAX (4000) +#define NXPWIFI_BEACON_PERIOD_MIN (50) +#define NXPWIFI_INVALID_BEACON_PERIOD (NXPWIFI_BEACON_PERIOD_MAX + 1) +#define NXPWIFI_MAX_DTIM_PERIOD (100) +#define NXPWIFI_MIN_DTIM_PERIOD (1) +#define NXPWIFI_INVALID_DTIM_PERIOD (NXPWIFI_MAX_DTIM_PERIOD + 1) +#define NXPWIFI_RTS_THRESHOLD_MIN (0) +#define NXPWIFI_RTS_THRESHOLD_MAX (2347) +#define NXPWIFI_INVALID_RTS (NXPWIFI_RTS_THRESHOLD_MAX + 1) +#define NXPWIFI_FRAG_THRESHOLD_MIN (256) +#define NXPWIFI_FRAG_THRESHOLD_MAX (2346) +#define NXPWIFI_INVALID_FRAG (NXPWIFI_FRAG_THRESHOLD_MAX + 1) +#define NXPWIFI_RETRY_LIMIT_MAX 14 +#define NXPWIFI_INVALID_RETRY_LIMI (NXPWIFI_RETRY_LIMIT_MAX + 1) + +enum nxpwifi_bcast_ssid_ctl { + /* Hide SSID in beacons (SSID length = 0) */ + NXPWIFI_BCAST_SSID_HIDE_LEN_ZERO = 0, + /* Do not hide SSID (normal broadcast) */ + NXPWIFI_BCAST_SSID_VISIBLE, + /* Hide SSID, clear SSID content (ASCII 0), + * but keep the original SSID length + */ + NXPWIFI_BCAST_SSID_HIDE_LEN_RETAIN, +}; + +enum nxpwifi_radio_ctl { + NXPWIFI_RADIO_CTL_DISABLE = 0, + NXPWIFI_RADIO_CTL_ENABLE, + __NXPWIFI_RADIO_CTL_MAX, +}; + +static inline bool nxpwifi_radio_ctl_valid(enum nxpwifi_radio_ctl v) +{ + return v < __NXPWIFI_RADIO_CTL_MAX; +} + +#define NXPWIFI_WMM_VERSION 0x01 +#define NXPWIFI_WMM_SUBTYPE 0x01 + +#define NXPWIFI_SDIO_BLOCK_SIZE 256 + +#define NXPWIFI_BUF_FLAG_REQUEUED_PKT BIT(0) +#define NXPWIFI_BUF_FLAG_BRIDGED_PKT BIT(1) +#define NXPWIFI_BUF_FLAG_EAPOL_TX_STATUS BIT(3) +#define NXPWIFI_BUF_FLAG_ACTION_TX_STATUS BIT(4) +#define NXPWIFI_BUF_FLAG_AGGR_PKT BIT(5) + +#define NXPWIFI_BRIDGED_PKTS_THR_HIGH 1024 +#define NXPWIFI_BRIDGED_PKTS_THR_LOW 128 + +/* 54M rates, index from 0 to 11 */ +#define NXPWIFI_RATE_INDEX_MCS0 12 +/* 12-27=MCS0-15(BW20) */ +#define NXPWIFI_BW20_MCS_NUM 15 + +/* Rate index for OFDM 0 */ +#define NXPWIFI_RATE_INDEX_OFDM0 4 + +#define NXPWIFI_MAX_STA_NUM 3 +#define NXPWIFI_MAX_UAP_NUM 3 + +#define NXPWIFI_A_BAND_START_FREQ 5000 + +/* SDIO Aggr data packet special info */ +#define SDIO_MAX_AGGR_BUF_SIZE (256 * 255) +#define BLOCK_NUMBER_OFFSET 15 +#define SDIO_HEADER_OFFSET 28 + +#define NXPWIFI_SIZE_4K 0x4000 +#define NXPWIFI_EXT_CAPAB_IE_LEN 10 + +enum nxpwifi_bss_type { + NXPWIFI_BSS_TYPE_STA = 0, + NXPWIFI_BSS_TYPE_UAP = 1, + NXPWIFI_BSS_TYPE_ANY = 0xff, +}; + +enum nxpwifi_bss_role { + NXPWIFI_BSS_ROLE_STA = 0, + NXPWIFI_BSS_ROLE_UAP = 1, + NXPWIFI_BSS_ROLE_ANY = 0xff, +}; + +#define BSS_ROLE_BIT_MASK BIT(0) + +#define GET_BSS_ROLE(priv) ((priv)->bss_role & BSS_ROLE_BIT_MASK) + +enum nxpwifi_data_frame_type { + NXPWIFI_DATA_FRAME_TYPE_ETH_II = 0, + NXPWIFI_DATA_FRAME_TYPE_802_11, +}; + +struct nxpwifi_fw_image { + u8 *helper_buf; + u32 helper_len; + u8 *fw_buf; + u32 fw_len; +}; + +struct nxpwifi_802_11_ssid { + u32 ssid_len; + u8 ssid[IEEE80211_MAX_SSID_LEN]; +}; + +struct nxpwifi_wait_queue { + wait_queue_head_t wait; + int status; +}; + +struct nxpwifi_rxinfo { + struct sk_buff *parent; + u8 bss_num; + u8 bss_type; + u8 use_count; + u8 buf_type; + u16 pkt_len; +}; + +struct nxpwifi_txinfo { + u8 flags; + u8 bss_num; + u8 bss_type; + u8 aggr_num; + u32 pkt_len; + u8 ack_frame_id; + u64 cookie; +}; + +enum nxpwifi_wmm_ac_e { + WMM_AC_BK, + WMM_AC_BE, + WMM_AC_VI, + WMM_AC_VO +} __packed; + +struct nxpwifi_types_wmm_info { + u8 oui[4]; + u8 subtype; + u8 version; + u8 qos_info; + u8 reserved; + struct ieee80211_wmm_ac_param ac[IEEE80211_NUM_ACS]; +} __packed; + +struct nxpwifi_arp_eth_header { + struct arphdr hdr; + u8 ar_sha[ETH_ALEN]; + u8 ar_sip[4]; + u8 ar_tha[ETH_ALEN]; + u8 ar_tip[4]; +} __packed; + +struct nxpwifi_chan_stats { + u8 chan_num; + u8 bandcfg; + u8 flags; + s8 noise; + u16 total_bss; + u16 cca_scan_dur; + u16 cca_busy_dur; +} __packed; + +#define NXPWIFI_HIST_MAX_SAMPLES 1048576 +#define NXPWIFI_MAX_RX_RATES 44 +#define NXPWIFI_MAX_AC_RX_RATES 74 +#define NXPWIFI_MAX_SNR 256 +#define NXPWIFI_MAX_NOISE_FLR 256 +#define NXPWIFI_MAX_SIG_STRENGTH 256 + +struct nxpwifi_histogram_data { + atomic_t rx_rate[NXPWIFI_MAX_AC_RX_RATES]; + atomic_t snr[NXPWIFI_MAX_SNR]; + atomic_t noise_flr[NXPWIFI_MAX_NOISE_FLR]; + atomic_t sig_str[NXPWIFI_MAX_SIG_STRENGTH]; + atomic_t num_samples; +}; + +struct nxpwifi_iface_comb { + u8 sta_intf; + u8 uap_intf; +}; + +struct nxpwifi_radar_params { + struct cfg80211_chan_def *chandef; + u32 cac_time_ms; +} __packed; + +struct nxpwifi_11h_intf_state { + bool is_11h_enabled; + bool is_11h_active; +} __packed; + +#define NXPWIFI_FW_DUMP_IDX 0xff +#define NXPWIFI_FW_DUMP_MAX_MEMSIZE 0x160000 +#define NXPWIFI_DRV_INFO_IDX 20 +#define FW_DUMP_MAX_NAME_LEN 8 +#define FW_DUMP_HOST_READY 0xEE +#define FW_DUMP_DONE 0xFF +#define FW_DUMP_READ_DONE 0xFE + +/* Channel bandwidth */ +#define CHANNEL_BW_20MHZ 0 +#define CHANNEL_BW_40MHZ_ABOVE 1 +#define CHANNEL_BW_40MHZ_BELOW 3 +/* secondary channel is 80MHz bandwidth for 11ac */ +#define CHANNEL_BW_80MHZ 4 +#define CHANNEL_BW_160MHZ 5 + +struct memory_type_mapping { + u8 mem_name[FW_DUMP_MAX_NAME_LEN]; + u8 *mem_ptr; + u32 mem_size; + u8 done_flag; +}; + +enum rdwr_status { + RDWR_STATUS_SUCCESS = 0, + RDWR_STATUS_FAILURE = 1, + RDWR_STATUS_DONE = 2 +}; + +enum nxpwifi_chan_band { + BAND_2GHZ = 0, + BAND_5GHZ, + BAND_6GHZ, + BAND_4GHZ, +}; + +enum nxpwifi_chan_width { + CHAN_BW_20MHZ = 0, + CHAN_BW_10MHZ, + CHAN_BW_40MHZ, + CHAN_BW_80MHZ, + CHAN_BW_8080MHZ, + CHAN_BW_160MHZ, + CHAN_BW_5MHZ, +}; + +enum { + NXPWIFI_SCAN_TYPE_UNCHANGED = 0, + NXPWIFI_SCAN_TYPE_ACTIVE, + NXPWIFI_SCAN_TYPE_PASSIVE +}; + +#define NXPWIFI_PROMISC_MODE 1 +#define NXPWIFI_MULTICAST_MODE 2 +#define NXPWIFI_ALL_MULTI_MODE 4 +#define NXPWIFI_MAX_MULTICAST_LIST_SIZE 32 + +struct nxpwifi_multicast_list { + u32 mode; + u32 num_multicast_addr; + u8 mac_list[NXPWIFI_MAX_MULTICAST_LIST_SIZE][ETH_ALEN]; +}; + +struct nxpwifi_chan_freq { + u32 channel; + u32 freq; +}; + +struct nxpwifi_ssid_bssid { + struct cfg80211_ssid ssid; + u8 bssid[ETH_ALEN]; +}; + +enum { + BAND_B = 1, + BAND_G = 2, + BAND_A = 4, + BAND_GN = 8, + BAND_AN = 16, + BAND_GAC = 32, + BAND_AAC = 64, + BAND_GAX = 256, + BAND_AAX = 512, +}; + +#define NXPWIFI_WPA_PASSHPHRASE_LEN 64 +struct wpa_param { + u8 pairwise_cipher_wpa; + u8 pairwise_cipher_wpa2; + u8 group_cipher; + u32 length; + u8 passphrase[NXPWIFI_WPA_PASSHPHRASE_LEN]; +}; + +struct wep_key { + u8 key_index; + u8 is_default; + u16 length; + u8 key[WLAN_KEY_LEN_WEP104]; +}; + +#define KEY_MGMT_ON_HOST 0x03 +#define NXPWIFI_AUTH_MODE_AUTO 0xFF +#define BAND_CONFIG_BG 0x00 +#define BAND_CONFIG_A 0x01 +#define NXPWIFI_SEC_CHAN_BELOW 0x03 +#define NXPWIFI_SEC_CHAN_ABOVE 0x01 +#define NXPWIFI_SUPPORTED_RATES 14 +#define NXPWIFI_SUPPORTED_RATES_EXT 32 +#define NXPWIFI_PRIO_BK 2 +#define NXPWIFI_PRIO_VI 5 +#define NXPWIFI_SUPPORTED_CHANNELS 2 +#define NXPWIFI_OPERATING_CLASSES 16 + +struct nxpwifi_uap_bss_param { + u8 mac_addr[ETH_ALEN]; + u8 channel; + u8 band_cfg; + u16 rts_threshold; + u16 frag_threshold; + u8 retry_limit; + struct nxpwifi_802_11_ssid ssid; + u8 bcast_ssid_ctl; + u8 radio_ctl; + u8 dtim_period; + u16 beacon_period; + u16 auth_mode; + u16 protocol; + u16 key_mgmt; + u16 key_mgmt_operation; + struct wpa_param wpa_cfg; + struct wep_key wep_cfg[NUM_WEP_KEYS]; + struct ieee80211_ht_cap ht_cap; + struct ieee80211_vht_cap vht_cap; + u8 rates[NXPWIFI_SUPPORTED_RATES]; + u32 sta_ao_timer; + u32 ps_sta_ao_timer; + u8 power_constraint; + struct ieee80211_wmm_param_ie wmm_element; +}; + +struct nxpwifi_ds_get_stats { + u32 mcast_tx_frame; + u32 failed; + u32 retry; + u32 multi_retry; + u32 frame_dup; + u32 rts_success; + u32 rts_failure; + u32 ack_failure; + u32 rx_frag; + u32 mcast_rx_frame; + u32 fcs_error; + u32 tx_frame; + u32 wep_icv_error[4]; + u32 bcn_rcv_cnt; + u32 bcn_miss_cnt; +}; + +#define NXPWIFI_MAX_VER_STR_LEN 128 + +struct nxpwifi_ver_ext { + u32 version_str_sel; + char version_str[NXPWIFI_MAX_VER_STR_LEN]; +}; + +struct nxpwifi_bss_info { + u32 bss_mode; + struct cfg80211_ssid ssid; + u32 bss_chan; + u8 country_code[3]; + u32 media_connected; + u32 max_power_level; + u32 min_power_level; + signed int bcn_nf_last; + u32 wep_status; + u32 is_hs_configured; + u32 is_deep_sleep; + u8 bssid[ETH_ALEN]; +}; + +struct nxpwifi_sta_info { + u8 peer_mac[ETH_ALEN]; + struct station_parameters *params; +}; + +#define MAX_NUM_TID 8 + +#define MAX_RX_WINSIZE 64 + +struct nxpwifi_ds_rx_reorder_tbl { + u16 tid; + u8 ta[ETH_ALEN]; + u32 start_win; + u32 win_size; + u32 buffer[MAX_RX_WINSIZE]; +}; + +struct nxpwifi_ds_tx_ba_stream_tbl { + u16 tid; + u8 ra[ETH_ALEN]; + u8 amsdu; +}; + +#define DBG_CMD_NUM 5 +#define NXPWIFI_DBG_SDIO_MP_NUM 10 + +struct nxpwifi_debug_info { + unsigned int debug_mask; + u32 int_counter; + u32 packets_out[MAX_NUM_TID]; + u32 tx_buf_size; + u32 curr_tx_buf_size; + u32 tx_tbl_num; + struct nxpwifi_ds_tx_ba_stream_tbl + tx_tbl[NXPWIFI_MAX_TX_BASTREAM_SUPPORTED]; + u32 rx_tbl_num; + struct nxpwifi_ds_rx_reorder_tbl rx_tbl + [NXPWIFI_MAX_RX_BASTREAM_SUPPORTED]; + u16 ps_mode; + u32 ps_state; + u8 is_deep_sleep; + u8 pm_wakeup_card_req; + u32 pm_wakeup_fw_try; + u8 is_hs_configured; + u8 hs_activated; + u32 num_cmd_host_to_card_failure; + u32 num_cmd_sleep_cfm_host_to_card_failure; + u32 num_tx_host_to_card_failure; + u32 num_event_deauth; + u32 num_event_disassoc; + u32 num_event_link_lost; + u32 num_cmd_deauth; + u32 num_cmd_assoc_success; + u32 num_cmd_assoc_failure; + u32 num_tx_timeout; + u8 is_cmd_timedout; + u16 timeout_cmd_id; + u16 timeout_cmd_act; + u16 last_cmd_id[DBG_CMD_NUM]; + u16 last_cmd_act[DBG_CMD_NUM]; + u16 last_cmd_index; + u16 last_cmd_resp_id[DBG_CMD_NUM]; + u16 last_cmd_resp_index; + u16 last_event[DBG_CMD_NUM]; + u16 last_event_index; + u8 data_sent; + u8 cmd_sent; + u8 cmd_resp_received; + u8 event_received; + u32 last_mp_wr_bitmap[NXPWIFI_DBG_SDIO_MP_NUM]; + u32 last_mp_wr_ports[NXPWIFI_DBG_SDIO_MP_NUM]; + u32 last_mp_wr_len[NXPWIFI_DBG_SDIO_MP_NUM]; + u32 last_mp_curr_wr_port[NXPWIFI_DBG_SDIO_MP_NUM]; + u8 last_sdio_mp_index; +}; + +#define NXPWIFI_KEY_INDEX_UNICAST 0x40000000 +#define PN_LEN 16 + +struct nxpwifi_ds_encrypt_key { + u32 key_disable; + u32 key_index; + u32 key_len; + u32 key_cipher; + u8 key_material[WLAN_MAX_KEY_LEN]; + u8 mac_addr[ETH_ALEN]; + u8 pn[PN_LEN]; /* packet number */ + u8 pn_len; + u8 is_igtk_key; + u8 is_current_wep_key; + u8 is_rx_seq_valid; + u8 is_igtk_def_key; +}; + +struct nxpwifi_power_cfg { + u32 is_power_auto; + u32 is_power_fixed; + u32 power_level; +}; + +struct nxpwifi_ds_hs_cfg { + u32 is_invoke_hostcmd; + /* + * Bit0: non-unicast data + * Bit1: unicast data + * Bit2: mac events + * Bit3: magic packet + */ + u32 conditions; + u32 gpio; + u32 gap; +}; + +struct nxpwifi_ds_wakeup_reason { + u16 hs_wakeup_reason; +}; + +#define DEEP_SLEEP_ON 1 +#define DEEP_SLEEP_OFF 0 +#define DEEP_SLEEP_IDLE_TIME 100 +#define PS_MODE_AUTO 1 + +struct nxpwifi_ds_auto_ds { + u16 auto_ds; + u16 idle_time; +}; + +struct nxpwifi_ds_pm_cfg { + union { + u32 ps_mode; + struct nxpwifi_ds_hs_cfg hs_cfg; + struct nxpwifi_ds_auto_ds auto_deep_sleep; + u32 sleep_period; + } param; +}; + +struct nxpwifi_11ac_vht_cfg { + u8 band_config; + u8 misc_config; + u32 cap_info; + u32 mcs_tx_set; + u32 mcs_rx_set; +}; + +struct nxpwifi_ds_11n_tx_cfg { + u16 tx_htcap; + u16 tx_htinfo; + u16 misc_config; /* Needed for 802.11AC cards only */ +}; + +struct nxpwifi_ds_11n_amsdu_aggr_ctrl { + u16 enable; + u16 curr_buf_size; +}; + +struct nxpwifi_ds_ant_cfg { + u32 tx_ant; + u32 rx_ant; +}; + +#define NXPWIFI_NUM_OF_CMD_BUFFER 50 +#define NXPWIFI_SIZE_OF_CMD_BUFFER 2048 + +enum { + NXPWIFI_IE_TYPE_GEN_IE = 0, + NXPWIFI_IE_TYPE_ARP_FILTER, +}; + +enum { + NXPWIFI_REG_MAC = 1, + NXPWIFI_REG_BBP, + NXPWIFI_REG_RF, + NXPWIFI_REG_PMIC, + NXPWIFI_REG_CAU, +}; + +struct nxpwifi_ds_reg_rw { + u32 type; + u32 offset; + u32 value; +}; + +#define MAX_EEPROM_DATA 256 + +struct nxpwifi_ds_read_eeprom { + u16 offset; + u16 byte_count; + u8 value[MAX_EEPROM_DATA]; +}; + +struct nxpwifi_ds_mem_rw { + u32 addr; + u32 value; +}; + +#define IEEE_MAX_IE_SIZE 256 + +#define NXPWIFI_IE_HDR_SIZE (sizeof(struct nxpwifi_ie) - IEEE_MAX_IE_SIZE) + +struct nxpwifi_ds_misc_gen_ie { + u32 type; + u32 len; + u8 ie_data[IEEE_MAX_IE_SIZE]; +}; + +struct nxpwifi_ds_misc_cmd { + u32 len; + u8 cmd[NXPWIFI_SIZE_OF_CMD_BUFFER]; +}; + +#define BITMASK_BCN_RSSI_LOW BIT(0) +#define BITMASK_BCN_RSSI_HIGH BIT(4) + +enum subsc_evt_rssi_state { + EVENT_HANDLED, + RSSI_LOW_RECVD, + RSSI_HIGH_RECVD +}; + +struct subsc_evt_cfg { + u8 abs_value; + u8 evt_freq; +}; + +struct nxpwifi_ds_misc_subsc_evt { + u16 action; + u16 events; + struct subsc_evt_cfg bcn_l_rssi_cfg; + struct subsc_evt_cfg bcn_h_rssi_cfg; +}; + +#define NXPWIFI_MEF_MAX_BYTESEQ 6 /* non-adjustable */ +#define NXPWIFI_MEF_MAX_FILTERS 10 + +struct nxpwifi_mef_filter { + u16 repeat; + u16 offset; + s8 byte_seq[NXPWIFI_MEF_MAX_BYTESEQ + 1]; + u8 filt_type; + u8 filt_action; +}; + +struct nxpwifi_mef_entry { + u8 mode; + u8 action; + struct nxpwifi_mef_filter filter[NXPWIFI_MEF_MAX_FILTERS]; +}; + +struct nxpwifi_ds_mef_cfg { + u32 criteria; + u16 num_entries; + struct nxpwifi_mef_entry *mef_entry; +}; + +#define NXPWIFI_MAX_VSIE_LEN (256) +#define NXPWIFI_MAX_VSIE_NUM (8) +#define NXPWIFI_VSIE_MASK_CLEAR 0x00 +#define NXPWIFI_VSIE_MASK_SCAN 0x01 +#define NXPWIFI_VSIE_MASK_ASSOC 0x02 +#define NXPWIFI_VSIE_MASK_BGSCAN 0x08 + +enum { + NXPWIFI_FUNC_INIT = 1, + NXPWIFI_FUNC_SHUTDOWN, +}; + +enum COALESCE_OPERATION { + RECV_FILTER_MATCH_TYPE_EQ = 0x80, + RECV_FILTER_MATCH_TYPE_NE, +}; + +enum COALESCE_PACKET_TYPE { + PACKET_TYPE_UNICAST = 1, + PACKET_TYPE_MULTICAST = 2, + PACKET_TYPE_BROADCAST = 3 +}; + +#define NXPWIFI_COALESCE_MAX_RULES 8 +#define NXPWIFI_COALESCE_MAX_BYTESEQ 4 /* non-adjustable */ +#define NXPWIFI_COALESCE_MAX_FILTERS 4 +#define NXPWIFI_MAX_COALESCING_DELAY 100 /* in msecs */ + +struct filt_field_param { + u8 operation; + u8 operand_len; + u16 offset; + u8 operand_byte_stream[NXPWIFI_COALESCE_MAX_BYTESEQ]; +}; + +struct nxpwifi_coalesce_rule { + u16 max_coalescing_delay; + u8 num_of_fields; + u8 pkt_type; + struct filt_field_param params[NXPWIFI_COALESCE_MAX_FILTERS]; +}; + +struct nxpwifi_ds_coalesce_cfg { + u16 num_of_rules; + struct nxpwifi_coalesce_rule rule[NXPWIFI_COALESCE_MAX_RULES]; +}; + +struct nxpwifi_11ax_he_cap_cfg { + u16 id; + u16 len; + u8 ext_id; + struct ieee80211_he_cap_elem cap_elem; + u8 he_txrx_mcs_support[4]; + u8 val[28]; +}; + +#define HE_CAP_MAX_SIZE 54 + +struct nxpwifi_11ax_he_cfg { + u8 band; + union { + struct nxpwifi_11ax_he_cap_cfg he_cap_cfg; + u8 data[HE_CAP_MAX_SIZE]; + }; +}; + +#define NXPWIFI_11AXCMD_CFG_ID_SR_OBSS_PD_OFFSET 1 +#define NXPWIFI_11AXCMD_CFG_ID_SR_ENABLE 2 +#define NXPWIFI_11AXCMD_CFG_ID_BEAM_CHANGE 3 +#define NXPWIFI_11AXCMD_CFG_ID_HTC_ENABLE 4 +#define NXPWIFI_11AXCMD_CFG_ID_TXOP_RTS 5 +#define NXPWIFI_11AXCMD_CFG_ID_TX_OMI 6 +#define NXPWIFI_11AXCMD_CFG_ID_OBSSNBRU_TOLTIME 7 +#define NXPWIFI_11AXCMD_CFG_ID_SET_BSRP 8 +#define NXPWIFI_11AXCMD_CFG_ID_LLDE 9 + +#define NXPWIFI_11AXCMD_SR_SUBID 0x102 +#define NXPWIFI_11AXCMD_BEAM_SUBID 0x103 +#define NXPWIFI_11AXCMD_HTC_SUBID 0x104 +#define NXPWIFI_11AXCMD_TXOMI_SUBID 0x105 +#define NXPWIFI_11AXCMD_OBSS_TOLTIME_SUBID 0x106 +#define NXPWIFI_11AXCMD_TXOPRTS_SUBID 0x108 +#define NXPWIFI_11AXCMD_SET_BSRP_SUBID 0x109 +#define NXPWIFI_11AXCMD_LLDE_SUBID 0x110 + +#define NXPWIFI_11AX_TWT_SETUP_SUBID 0x114 +#define NXPWIFI_11AX_TWT_TEARDOWN_SUBID 0x115 +#define NXPWIFI_11AX_TWT_REPORT_SUBID 0x116 +#define NXPWIFI_11AX_TWT_INFORMATION_SUBID 0x119 +#define NXPWIFI_11AX_BTWT_AP_CONFIG_SUBID 0x120 +#define BTWT_AGREEMENT_MAX 5 + +struct nxpwifi_11axcmdcfg_obss_pd_offset { + /* */ + u8 offset[2]; +}; + +struct nxpwifi_11axcmdcfg_sr_control { + /* 1 enable, 0 disable */ + u8 control; +}; + +struct nxpwifi_11ax_sr_cmd { + /* type */ + u16 type; + /* length of TLV */ + u16 len; + /* value */ + union { + struct nxpwifi_11axcmdcfg_obss_pd_offset obss_pd_offset; + struct nxpwifi_11axcmdcfg_sr_control sr_control; + } param; +}; + +struct nxpwifi_11ax_beam_cmd { + /* command value: 1 is disable, 0 is enable */ + u8 value; +}; + +struct nxpwifi_11ax_htc_cmd { + /* command value: 1 is enable, 0 is disable */ + u8 value; +}; + +struct nxpwifi_11ax_txomi_cmd { + /* 11ax spec 9.2.4.6a.2 OM Control 12 bits. Bit 0 to bit 11 */ + u16 omi; + /* + * tx option + * 0: send OMI in QoS NULL; 1: send OMI in QoS data; 0xFF: set OMI in + * both + */ + u8 tx_option; + /* + * if OMI is sent in QoS data, specify the number of consecutive data + * packets containing the OMI + */ + u8 num_data_pkts; +}; + +struct nxpwifi_11ax_toltime_cmd { + /* OBSS Narrow Bandwidth RU Tolerance Time */ + u32 tol_time; +}; + +struct nxpwifi_11ax_txop_cmd { + /* + * Two byte rts threshold value of which only 10 bits, bit 0 to bit 9 + * are valid + */ + u16 rts_thres; +}; + +struct nxpwifi_11ax_set_bsrp_cmd { + /* command value: 1 is enable, 0 is disable */ + u8 value; +}; + +struct nxpwifi_11ax_llde_cmd { + /* Uplink LLDE: enable=1,disable=0 */ + u8 llde; + /* operation mode: default=0,carplay=1,gameplay=2 */ + u8 mode; + /* trigger frame rate: auto=0xff */ + u8 fixrate; + /* cap airtime limit index: auto=0xff */ + u8 trigger_limit; + /* cap peak UL rate */ + u8 peak_ul_rate; + /* Downlink LLDE: enable=1,disable=0 */ + u8 dl_llde; + /* Set trigger frame interval(us): auto=0 */ + u16 poll_interval; + /* Set TxOp duration */ + u16 tx_op_duration; + /* for other configurations */ + u16 llde_ctrl; + u16 mu_rts_successcnt; + u16 mu_rts_failcnt; + u16 basic_trigger_successcnt; + u16 basic_trigger_failcnt; + u16 tbppdu_nullcnt; + u16 tbppdu_datacnt; +}; + +struct nxpwifi_11ax_cmd_cfg { + u32 sub_command; + u32 sub_id; + union { + struct nxpwifi_11ax_sr_cmd sr_cfg; + struct nxpwifi_11ax_beam_cmd beam_cfg; + struct nxpwifi_11ax_htc_cmd htc_cfg; + struct nxpwifi_11ax_txomi_cmd txomi_cfg; + struct nxpwifi_11ax_toltime_cmd toltime_cfg; + struct nxpwifi_11ax_txop_cmd txop_cfg; + struct nxpwifi_11ax_set_bsrp_cmd setbsrp_cfg; + struct nxpwifi_11ax_llde_cmd llde_cfg; + } param; +}; + +struct nxpwifi_twt_setup { + /** Implicit, 0: TWT session is explicit, 1: Session is implicit */ + u8 implicit; + /** Announced, 0: Unannounced, 1: Announced TWT */ + u8 announced; + /** Trigger Enabled, 0: Non-Trigger enabled, 1: Trigger enabled TWT */ + u8 trigger_enabled; + /** TWT Information Disabled, 0: TWT info enabled, 1: TWT info disabled */ + u8 twt_info_disabled; + /* + * Negotiation Type, 0: Future Individual TWT SP start time, 1: + * Next Wake TBTT time + */ + u8 negotiation_type; + /* + * TWT Wakeup Duration, time after which the TWT requesting STA can + * transition to doze state + */ + u8 twt_wakeup_duration; + /** Flow Identifier. Range: [0-7]*/ + u8 flow_identifier; + /* + * Hard Constraint, 0: FW can tweak the TWT setup parameters if it is + * rejected by AP. + * 1: Firmware should not tweak any parameters. + */ + u8 hard_constraint; + /** TWT Exponent, Range: [0-63] */ + u8 twt_exponent; + /** TWT Mantissa Range: [0-sizeof(UINT16)] */ + __le16 twt_mantissa; + /** TWT Request Type, 0: REQUEST_TWT, 1: SUGGEST_TWT*/ + u8 twt_request; + /** TWT Setup State. Set to 0 by driver, filled by FW in response*/ + u8 twt_setup_state; + /** TWT link lost timeout threshold */ + __le16 bcn_miss_threshold; +} __packed; + +struct nxpwifi_twt_teardown { + /** TWT Flow Identifier. Range: [0-7] */ + u8 flow_identifier; + /* + * Negotiation Type. 0: Future Individual TWT SP start time, 1: Next + * Wake TBTT time + */ + u8 negotiation_type; + /** Tear down all TWT. 1: To teardown all TWT, 0 otherwise */ + u8 teardown_all_twt; + /** TWT Teardown State. Set to 0 by driver, filled by FW in response */ + u8 twt_teardown_state; + /** Reserved, set to 0. */ + u8 reserved[3]; +} __packed; + +#define NXPWIFI_BTWT_REPORT_LEN 9 +#define NXPWIFI_BTWT_REPORT_MAX_NUM 4 +struct nxpwifi_twt_report { + /** TWT report type, 0: BTWT id */ + u8 type; + /** TWT report length of value in data */ + u8 length; + u8 reserve[2]; + /** TWT report payload for FW response to fill */ + u8 data[NXPWIFI_BTWT_REPORT_LEN * NXPWIFI_BTWT_REPORT_MAX_NUM]; +} __packed; + +struct nxpwifi_twt_information { + /** TWT Flow Identifier. Range: [0-7] */ + u8 flow_identifier; + /* + * Suspend Duration. Range: [0-UINT32_MAX] + * 0:Suspend forever; + * Else:Suspend agreement for specific duration in milli seconds, + * after than resume the agreement and enter SP immediately + */ + __le32 suspend_duration; + /** TWT Information State. Set to 0 by driver, filled by FW in response */ + u8 twt_information_state; +} __packed; + +struct btwt_set { + u8 btwt_id; + __le16 ap_bcast_mantissa; + u8 ap_bcast_exponent; + u8 nominalwake; +} __packed; + +#define BTWT_AGREEMENT_MAX 5 +struct nxpwifi_btwt_ap_config { + u8 ap_bcast_bet_sta_wait; + __le16 ap_bcast_offset; + u8 bcast_twtli; + u8 count; + struct btwt_set btwt_sets[BTWT_AGREEMENT_MAX]; +} __packed; + +struct nxpwifi_twt_cfg { + u16 action; + u16 sub_id; + union { + struct nxpwifi_twt_setup twt_setup; + struct nxpwifi_twt_teardown twt_teardown; + struct nxpwifi_twt_report twt_report; + struct nxpwifi_twt_information twt_information; + struct nxpwifi_btwt_ap_config btwt_ap_config; + } param; +}; +#endif /* !_NXPWIFI_CFG_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/cfg80211.c b/drivers/net/wireless/nxp/nxpwifi/cfg80211.c new file mode 100644 index 000000000000..4f9e20f72811 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/cfg80211.c @@ -0,0 +1,3931 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: cfg80211 support + * + * Copyright 2011-2024 NXP + */ + +#include "cfg80211.h" +#include "main.h" +#include "cmdevt.h" +#include "11n.h" +#include "wmm.h" + +static const struct ieee80211_iface_limit nxpwifi_ap_sta_limits[] = { + { + .max = NXPWIFI_MAX_BSS_NUM, + .types = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_MONITOR), + }, +}; + +static const struct ieee80211_iface_combination +nxpwifi_iface_comb_ap_sta = { + .limits = nxpwifi_ap_sta_limits, + .num_different_channels = 1, + .n_limits = ARRAY_SIZE(nxpwifi_ap_sta_limits), + .max_interfaces = NXPWIFI_MAX_BSS_NUM, + .beacon_int_infra_match = true, + .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | + BIT(NL80211_CHAN_WIDTH_20) | + BIT(NL80211_CHAN_WIDTH_40), +}; + +static const struct ieee80211_iface_combination +nxpwifi_iface_comb_ap_sta_vht = { + .limits = nxpwifi_ap_sta_limits, + .num_different_channels = 1, + .n_limits = ARRAY_SIZE(nxpwifi_ap_sta_limits), + .max_interfaces = NXPWIFI_MAX_BSS_NUM, + .beacon_int_infra_match = true, + .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | + BIT(NL80211_CHAN_WIDTH_20) | + BIT(NL80211_CHAN_WIDTH_40) | + BIT(NL80211_CHAN_WIDTH_80), +}; + +/* Map nl80211 channel types to secondary channel offsets */ +u8 nxpwifi_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) +{ + switch (chan_type) { + case NL80211_CHAN_NO_HT: + case NL80211_CHAN_HT20: + return IEEE80211_HT_PARAM_CHA_SEC_NONE; + case NL80211_CHAN_HT40PLUS: + return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + case NL80211_CHAN_HT40MINUS: + return IEEE80211_HT_PARAM_CHA_SEC_BELOW; + default: + return IEEE80211_HT_PARAM_CHA_SEC_NONE; + } +} + +/* Map IEEE HT secondary‑channel type to nl80211 channel type */ +u8 nxpwifi_get_chan_type(struct nxpwifi_private *priv) +{ + struct nxpwifi_channel_band channel_band; + int ret; + + ret = nxpwifi_get_chan_info(priv, &channel_band); + + if (!ret) { + switch (channel_band.band_config.chan_width) { + case CHAN_BW_20MHZ: + if (IS_11N_ENABLED(priv)) + return NL80211_CHAN_HT20; + else + return NL80211_CHAN_NO_HT; + case CHAN_BW_40MHZ: + if (channel_band.band_config.chan2_offset == + IEEE80211_HT_PARAM_CHA_SEC_ABOVE) + return NL80211_CHAN_HT40PLUS; + else + return NL80211_CHAN_HT40MINUS; + default: + return NL80211_CHAN_HT20; + } + } + + return NL80211_CHAN_HT20; +} + +/* Retrieve the driver private data from the wiphy */ +static void *nxpwifi_cfg80211_get_adapter(struct wiphy *wiphy) +{ + return (void *)(*(unsigned long *)wiphy_priv(wiphy)); +} + +/* cfg80211 operation handler to delete a network key. */ +static int +nxpwifi_cfg80211_del_key(struct wiphy *wiphy, struct wireless_dev *wdev, + int link_id, u8 key_index, bool pairwise, + const u8 *mac_addr) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + const u8 *peer_mac = pairwise ? mac_addr : bc_mac; + int ret; + + ret = nxpwifi_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "crypto keys deleted failed %d\n", ret); + else + nxpwifi_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); + + return ret; +} + +/* Build an skb containing a management frame */ +static void +nxpwifi_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) +{ + u8 addr[ETH_ALEN]; + u16 pkt_len; + u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; + + eth_broadcast_addr(addr); + pkt_len = len + ETH_ALEN; + + skb_reserve(skb, NXPWIFI_MIN_DATA_HEADER_LEN + + NXPWIFI_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); + memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); + + memcpy(skb_push(skb, sizeof(tx_control)), + &tx_control, sizeof(tx_control)); + + memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); + + /* Add packet data and address4 */ + skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr)); + skb_put_data(skb, addr, ETH_ALEN); + skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr), + len - sizeof(struct ieee80211_hdr_3addr)); + + skb->priority = TC_PRIO_BESTEFFORT; + __net_timestamp(skb); +} + +/* cfg80211 operation handler to transmit a management frame. */ +static int +nxpwifi_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, + struct cfg80211_mgmt_tx_params *params, u64 *cookie) +{ + const u8 *buf = params->buf; + size_t len = params->len; + struct sk_buff *skb; + u16 pkt_len; + const struct ieee80211_mgmt *mgmt; + struct nxpwifi_txinfo *tx_info; + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + + if (!buf || !len) { + nxpwifi_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); + return -EINVAL; + } + + mgmt = (const struct ieee80211_mgmt *)buf; + if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_STA && + ieee80211_is_probe_resp(mgmt->frame_control)) { + /* Offloaded probe responses; skip TX in AP/GO mode */ + nxpwifi_dbg(priv->adapter, INFO, + "info: skip to send probe resp in AP or GO mode\n"); + return 0; + } + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + if (ieee80211_is_auth(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "auth: send auth to %pM\n", mgmt->da); + if (ieee80211_is_deauth(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "auth: send deauth to %pM\n", mgmt->da); + if (ieee80211_is_disassoc(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "assoc: send disassoc to %pM\n", mgmt->da); + if (ieee80211_is_assoc_resp(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "assoc: send assoc resp to %pM\n", + mgmt->da); + if (ieee80211_is_reassoc_resp(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "assoc: send reassoc resp to %pM\n", + mgmt->da); + } + + pkt_len = len + ETH_ALEN; + skb = dev_alloc_skb(NXPWIFI_MIN_DATA_HEADER_LEN + + NXPWIFI_MGMT_FRAME_HEADER_SIZE + + pkt_len + sizeof(pkt_len)); + + if (!skb) { + nxpwifi_dbg(priv->adapter, ERROR, + "allocate skb failed for management frame\n"); + return -ENOMEM; + } + + tx_info = NXPWIFI_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); + tx_info->bss_num = priv->bss_num; + tx_info->bss_type = priv->bss_type; + tx_info->pkt_len = pkt_len; + + nxpwifi_form_mgmt_frame(skb, buf, len); + *cookie = nxpwifi_roc_cookie(priv->adapter); + + if (ieee80211_is_action(mgmt->frame_control)) + skb = nxpwifi_clone_skb_for_tx_status(priv, + skb, + NXPWIFI_BUF_FLAG_ACTION_TX_STATUS, cookie); + else + cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, + GFP_ATOMIC); + + nxpwifi_queue_tx_pkt(priv, skb); + + nxpwifi_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); + return 0; +} + +/* cfg80211 operation handler to register a mgmt frame. */ +static void +nxpwifi_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct mgmt_frame_regs *upd) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + u32 mask = upd->interface_stypes; + + if (mask != priv->mgmt_frame_mask) { + priv->mgmt_frame_mask = mask; + if (priv->host_mlme_reg && + GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) + priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; + + nxpwifi_mgmt_frame_reg(priv, priv->mgmt_frame_mask); + + nxpwifi_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); + } +} + +/* cfg80211 operation handler to remain on channel. */ +static int +nxpwifi_cfg80211_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct ieee80211_channel *chan, + unsigned int duration, u64 *cookie, + const u8 *rx_addr) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + + if (!chan || !cookie) { + nxpwifi_dbg(adapter, ERROR, "Invalid parameter for ROC\n"); + return -EINVAL; + } + + if (priv->roc_cfg.cookie) { + nxpwifi_dbg(adapter, INFO, + "info: ongoing ROC, cookie = 0x%llx\n", + priv->roc_cfg.cookie); + return -EBUSY; + } + + ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_SET, chan, + duration); + + if (!ret) { + *cookie = nxpwifi_roc_cookie(adapter); + priv->roc_cfg.cookie = *cookie; + priv->roc_cfg.chan = *chan; + + cfg80211_ready_on_channel(wdev, *cookie, chan, + duration, GFP_ATOMIC); + + nxpwifi_dbg(adapter, INFO, + "info: ROC, cookie = 0x%llx\n", *cookie); + } + + return ret; +} + +/* cfg80211 operation handler to cancel remain on channel. */ +static int +nxpwifi_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, u64 cookie) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + int ret; + + if (cookie != priv->roc_cfg.cookie) + return -ENOENT; + + ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_REMOVE, + &priv->roc_cfg.chan, 0); + + if (!ret) { + cfg80211_remain_on_channel_expired(wdev, cookie, + &priv->roc_cfg.chan, + GFP_ATOMIC); + + memset(&priv->roc_cfg, 0, sizeof(struct nxpwifi_roc_cfg)); + + nxpwifi_dbg(priv->adapter, INFO, + "info: cancel ROC, cookie = 0x%llx\n", cookie); + } + + return ret; +} + +/* cfg80211 operation handler to set Tx power. */ +static int +nxpwifi_cfg80211_set_tx_power(struct wiphy *wiphy, + struct wireless_dev *wdev, + int radio_idx, + enum nl80211_tx_power_setting type, + int mbm) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct nxpwifi_power_cfg power_cfg; + int dbm = MBM_TO_DBM(mbm); + + switch (type) { + case NL80211_TX_POWER_FIXED: + power_cfg.is_power_auto = 0; + power_cfg.is_power_fixed = 1; + power_cfg.power_level = dbm; + break; + case NL80211_TX_POWER_LIMITED: + power_cfg.is_power_auto = 0; + power_cfg.is_power_fixed = 0; + power_cfg.power_level = dbm; + break; + case NL80211_TX_POWER_AUTOMATIC: + power_cfg.is_power_auto = 1; + break; + } + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + + return nxpwifi_set_tx_power(priv, &power_cfg); +} + +/* cfg80211 operation handler to get Tx power. */ +static int +nxpwifi_cfg80211_get_tx_power(struct wiphy *wiphy, + struct wireless_dev *wdev, + int radio_idx, + unsigned int link_id, + int *dbm) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + int ret = nxpwifi_get_tx_pwr(priv); + + if (ret < 0) + return ret; + + *dbm = priv->tx_power_level; + + return 0; +} + +/* + * cfg80211 handler for setting IEEE 802.11 Power Save mode. + * + * The 'timeout' parameter is not supported and is ignored. + */ +static int +nxpwifi_cfg80211_set_power_mgmt(struct wiphy *wiphy, + struct net_device *dev, + bool enabled, int timeout) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + u32 ps_mode; + + if (timeout) + nxpwifi_dbg(priv->adapter, INFO, + "info: ignore timeout value for IEEE Power Save\n"); + + ps_mode = enabled; + + return nxpwifi_drv_set_power(priv, &ps_mode); +} + +/* + * cfg80211 handler for setting the default WEP key. + * + * Ignored if WEP is not enabled. + */ +static int +nxpwifi_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, + int link_id, u8 key_index, bool unicast, + bool multicast) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(netdev); + int ret = 0; + + /* Return if WEP key not configured */ + if (!priv->sec_info.wep_enabled) + return 0; + + if (priv->bss_type == NXPWIFI_BSS_TYPE_UAP) { + priv->wep_key_curr_index = key_index; + } else { + ret = nxpwifi_set_encode(priv, NULL, NULL, 0, key_index, + NULL, 0); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "failed to set default Tx key index\n"); + } + + return ret; +} + +/* cfg80211 handler for adding an 802.11 encryption key. */ +static int +nxpwifi_cfg80211_add_key(struct wiphy *wiphy, struct wireless_dev *wdev, + int link_id, u8 key_index, bool pairwise, + const u8 *mac_addr, struct key_params *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_wep_key *wep_key; + u8 bc_mac[ETH_ALEN]; + const u8 *peer_mac; + int ret; + + eth_broadcast_addr(bc_mac); + peer_mac = pairwise ? mac_addr : bc_mac; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP && + (params->cipher == WLAN_CIPHER_SUITE_WEP40 || + params->cipher == WLAN_CIPHER_SUITE_WEP104)) { + if (params->key && params->key_len) { + wep_key = &priv->wep_key[key_index]; + memset(wep_key, 0, sizeof(struct nxpwifi_wep_key)); + memcpy(wep_key->key_material, params->key, + params->key_len); + wep_key->key_index = key_index; + wep_key->key_length = params->key_len; + priv->sec_info.wep_enabled = 1; + } + return 0; + } + + ret = nxpwifi_set_encode(priv, params, params->key, params->key_len, + key_index, peer_mac, 0); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "failed to add crypto keys\n"); + + return ret; +} + +/* cfg80211 handler for setting the default management key. */ +static int +nxpwifi_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, + struct wireless_dev *wdev, + int link_id, + u8 key_index) +{ + return 0; +} + +/* + * Sends regulatory domain information to the firmware. + * + * Includes: + * - Country code + * - Sub-band definitions (first channel, channel count, max TX power) + */ +int nxpwifi_send_domain_info_cmd_fw(struct wiphy *wiphy, enum nl80211_band band) +{ + u8 no_of_triplet = 0; + struct ieee80211_country_ie_triplet *t; + u8 no_of_parsed_chan = 0; + u8 first_chan = 0, next_chan = 0, max_pwr = 0; + u8 i, flag = 0; + struct ieee80211_supported_band *sband; + struct ieee80211_channel *ch; + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct nxpwifi_802_11d_domain_reg *domain_info = &adapter->domain_reg; + int ret; + + domain_info->dfs_region = adapter->dfs_region; + + /* Set country code */ + domain_info->country_code[0] = adapter->country_code[0]; + domain_info->country_code[1] = adapter->country_code[1]; + domain_info->country_code[2] = ' '; + + if (!wiphy->bands[band]) { + nxpwifi_dbg(adapter, ERROR, + "11D: setting domain info in FW\n"); + return -EINVAL; + } + + sband = wiphy->bands[band]; + + for (i = 0; i < sband->n_channels ; i++) { + ch = &sband->channels[i]; + if (ch->flags & IEEE80211_CHAN_DISABLED) + continue; + + if (!flag) { + flag = 1; + first_chan = (u32)ch->hw_value; + next_chan = first_chan; + max_pwr = ch->max_power; + no_of_parsed_chan = 1; + continue; + } + + if (ch->hw_value == next_chan + 1 && + ch->max_power == max_pwr) { + next_chan++; + no_of_parsed_chan++; + } else { + t = &domain_info->triplet[no_of_triplet]; + t->chans.first_channel = first_chan; + t->chans.num_channels = no_of_parsed_chan; + t->chans.max_power = max_pwr; + no_of_triplet++; + first_chan = (u32)ch->hw_value; + next_chan = first_chan; + max_pwr = ch->max_power; + no_of_parsed_chan = 1; + } + } + + if (flag) { + t = &domain_info->triplet[no_of_triplet]; + t->chans.first_channel = first_chan; + t->chans.num_channels = no_of_parsed_chan; + t->chans.max_power = max_pwr; + no_of_triplet++; + } + + domain_info->no_of_triplet = no_of_triplet; + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + + ret = nxpwifi_apply_regdomain(priv); + + if (ret) + nxpwifi_dbg(adapter, INFO, + "11D: failed to set domain info in FW\n"); + + return ret; +} + +static void nxpwifi_reg_apply_radar_flags(struct wiphy *wiphy) +{ + struct ieee80211_supported_band *sband; + struct ieee80211_channel *chan; + unsigned int i; + + if (!wiphy->bands[NL80211_BAND_5GHZ]) + return; + sband = wiphy->bands[NL80211_BAND_5GHZ]; + + for (i = 0; i < sband->n_channels; i++) { + chan = &sband->channels[i]; + if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) && + (chan->flags & IEEE80211_CHAN_RADAR)) + chan->flags |= IEEE80211_CHAN_NO_IR; + } +} + +/* + * cfg80211 regulatory domain change callback. + * + * Invoked when the regulatory domain is updated by: + * - the driver + * - the system core + * - the user + * - a received Country IE + */ +static void nxpwifi_reg_notifier(struct wiphy *wiphy, + struct regulatory_request *request) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + + nxpwifi_dbg(adapter, INFO, + "info: cfg80211 regulatory domain callback for %c%c\n", + request->alpha2[0], request->alpha2[1]); + nxpwifi_reg_apply_radar_flags(wiphy); + + switch (request->initiator) { + case NL80211_REGDOM_SET_BY_DRIVER: + case NL80211_REGDOM_SET_BY_CORE: + case NL80211_REGDOM_SET_BY_USER: + case NL80211_REGDOM_SET_BY_COUNTRY_IE: + break; + default: + nxpwifi_dbg(adapter, ERROR, + "unknown regdom initiator: %d\n", + request->initiator); + return; + } + + /* Skip world/unchanged regulatory domains. */ + if (strncmp(request->alpha2, "00", 2) && + strncmp(request->alpha2, adapter->country_code, + sizeof(request->alpha2))) { + memcpy(adapter->country_code, request->alpha2, + sizeof(request->alpha2)); + adapter->dfs_region = request->dfs_region; + nxpwifi_send_domain_info_cmd_fw(wiphy, NL80211_BAND_2GHZ); + if (adapter->fw_bands & BAND_A) + nxpwifi_send_domain_info_cmd_fw(wiphy, + NL80211_BAND_5GHZ); + } +} + +/* + * cfg80211 op: set wiphy parameters. + * Updates RTS/fragmentation thresholds and retry limits based on 'changed' + * flags. + */ +static int +nxpwifi_cfg80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx, u32 changed) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct nxpwifi_uap_bss_param *bss_cfg; + int ret = 0; + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + + switch (priv->bss_role) { + case NXPWIFI_BSS_ROLE_UAP: + bss_cfg = kzalloc_obj(*bss_cfg, GFP_KERNEL); + if (!bss_cfg) { + ret = -ENOMEM; + break; + } + + nxpwifi_set_sys_config_invalid_data(bss_cfg); + + if (changed & WIPHY_PARAM_RTS_THRESHOLD) + bss_cfg->rts_threshold = wiphy->rts_threshold; + if (changed & WIPHY_PARAM_FRAG_THRESHOLD) + bss_cfg->frag_threshold = wiphy->frag_threshold; + if (changed & WIPHY_PARAM_RETRY_LONG) + bss_cfg->retry_limit = wiphy->retry_long; + + ret = nxpwifi_set_uap_sys_cfg(priv, bss_cfg); + + kfree(bss_cfg); + if (ret) + nxpwifi_dbg(adapter, ERROR, + "Failed to set wiphy phy params\n"); + break; + + case NXPWIFI_BSS_ROLE_STA: + if (changed & WIPHY_PARAM_RTS_THRESHOLD) { + ret = nxpwifi_set_rts(priv, + wiphy->rts_threshold); + if (ret) + break; + } + if (changed & WIPHY_PARAM_FRAG_THRESHOLD) + ret = nxpwifi_set_frag(priv, + wiphy->frag_threshold); + break; + } + + return ret; +} + +static int nxpwifi_deinit_priv_params(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret = 0; + + if (priv->mgmt_frame_mask) { + priv->mgmt_frame_mask = 0; + ret = nxpwifi_mgmt_frame_reg(priv, priv->mgmt_frame_mask); + + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "could not unregister mgmt frame rx\n"); + return ret; + } + priv->host_mlme_reg = false; + + } + + nxpwifi_deauthenticate(priv, NULL); + + atomic_set(&adapter->iface_changing, 1); + flush_workqueue(adapter->workqueue); + flush_workqueue(adapter->rx_workqueue); + nxpwifi_free_priv(priv); + priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; + + return ret; +} + +static int +nxpwifi_init_new_priv_params(struct nxpwifi_private *priv, + struct net_device *dev, + enum nl80211_iftype type) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_init_priv(priv); + + priv->bss_mode = type; + priv->wdev.iftype = type; + + nxpwifi_init_priv_params(priv, priv->netdev); + priv->bss_started = 0; + + switch (type) { + case NL80211_IFTYPE_STATION: + priv->bss_role = NXPWIFI_BSS_ROLE_STA; + break; + case NL80211_IFTYPE_AP: + priv->bss_role = NXPWIFI_BSS_ROLE_UAP; + break; + default: + nxpwifi_dbg(adapter, ERROR, + "%s: changing to %d not supported\n", + dev->name, type); + return -EOPNOTSUPP; + } + + priv->bss_num = nxpwifi_get_unused_bss_num(adapter, priv->bss_type); + + flush_workqueue(adapter->workqueue); + atomic_set(&adapter->iface_changing, 0); + + nxpwifi_set_mac_address(priv, dev, false, NULL); + + return 0; +} + +static bool +is_vif_type_change_allowed(struct nxpwifi_adapter *adapter, + enum nl80211_iftype old_iftype, + enum nl80211_iftype new_iftype) +{ + switch (old_iftype) { + case NL80211_IFTYPE_STATION: + switch (new_iftype) { + case NL80211_IFTYPE_AP: + return adapter->curr_iface_comb.uap_intf != + adapter->iface_limit.uap_intf; + default: + return false; + } + + case NL80211_IFTYPE_AP: + switch (new_iftype) { + case NL80211_IFTYPE_STATION: + return adapter->curr_iface_comb.sta_intf != + adapter->iface_limit.sta_intf; + default: + return false; + } + + default: + break; + } + + return false; +} + +static void +update_vif_type_counter(struct nxpwifi_adapter *adapter, + enum nl80211_iftype iftype, + int change) +{ + switch (iftype) { + case NL80211_IFTYPE_UNSPECIFIED: + case NL80211_IFTYPE_STATION: + adapter->curr_iface_comb.sta_intf += change; + break; + case NL80211_IFTYPE_AP: + adapter->curr_iface_comb.uap_intf += change; + break; + case NL80211_IFTYPE_MONITOR: + break; + default: + nxpwifi_dbg(adapter, ERROR, + "%s: Unsupported iftype passed: %d\n", + __func__, iftype); + break; + } +} + +static int +nxpwifi_change_vif_to_sta(struct net_device *dev, + enum nl80211_iftype curr_iftype, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct nxpwifi_private *priv; + struct nxpwifi_adapter *adapter; + int ret; + + priv = nxpwifi_netdev_get_priv(dev); + + if (!priv) + return -EINVAL; + + adapter = priv->adapter; + + nxpwifi_dbg(adapter, INFO, + "%s: changing role to station\n", dev->name); + + ret = nxpwifi_deinit_priv_params(priv); + if (ret) + goto done; + ret = nxpwifi_init_new_priv_params(priv, dev, type); + if (ret) + goto done; + + update_vif_type_counter(adapter, curr_iftype, -1); + update_vif_type_counter(adapter, type, 1); + dev->ieee80211_ptr->iftype = type; + + if (nxpwifi_set_bss_mode(priv)) + return -1; + + if (ret) + goto done; + + ret = nxpwifi_sta_init_cmd(priv, false, false); + +done: + return ret; +} + +static int +nxpwifi_change_vif_to_ap(struct net_device *dev, + enum nl80211_iftype curr_iftype, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct nxpwifi_private *priv; + struct nxpwifi_adapter *adapter; + int ret; + + priv = nxpwifi_netdev_get_priv(dev); + + if (!priv) + return -EINVAL; + + adapter = priv->adapter; + + nxpwifi_dbg(adapter, INFO, + "%s: changing role to AP\n", dev->name); + + ret = nxpwifi_deinit_priv_params(priv); + if (ret) + goto done; + + ret = nxpwifi_init_new_priv_params(priv, dev, type); + if (ret) + goto done; + + update_vif_type_counter(adapter, curr_iftype, -1); + update_vif_type_counter(adapter, type, 1); + dev->ieee80211_ptr->iftype = type; + + if (nxpwifi_set_bss_mode(priv)) + return -1; + + if (ret) + goto done; + + ret = nxpwifi_sta_init_cmd(priv, false, false); + +done: + return ret; +} + +/* cfg80211 operation handler to change interface type. */ +static int +nxpwifi_cfg80211_change_virtual_intf(struct wiphy *wiphy, + struct net_device *dev, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; + + if (priv->scan_request) { + nxpwifi_dbg(priv->adapter, ERROR, + "change virtual interface: scan in process\n"); + return -EBUSY; + } + + if (type == NL80211_IFTYPE_UNSPECIFIED) { + nxpwifi_dbg(priv->adapter, INFO, + "%s: no new type specified, keeping old type %d\n", + dev->name, curr_iftype); + return 0; + } + + if (curr_iftype == type) { + nxpwifi_dbg(priv->adapter, INFO, + "%s: interface already is of type %d\n", + dev->name, curr_iftype); + return 0; + } + + if (!is_vif_type_change_allowed(priv->adapter, curr_iftype, type)) { + nxpwifi_dbg(priv->adapter, ERROR, + "%s: change from type %d to %d is not allowed\n", + dev->name, curr_iftype, type); + return -EOPNOTSUPP; + } + + switch (curr_iftype) { + case NL80211_IFTYPE_STATION: + switch (type) { + case NL80211_IFTYPE_AP: + return nxpwifi_change_vif_to_ap(dev, curr_iftype, type, + params); + default: + goto errnotsupp; + } + + case NL80211_IFTYPE_AP: + switch (type) { + case NL80211_IFTYPE_STATION: + return nxpwifi_change_vif_to_sta(dev, curr_iftype, + type, params); + break; + default: + goto errnotsupp; + } + + default: + goto errnotsupp; + } + + return 0; + +errnotsupp: + nxpwifi_dbg(priv->adapter, ERROR, + "unsupported interface type transition: %d to %d\n", + curr_iftype, type); + return -EOPNOTSUPP; +} + +#define RATE_FORMAT_LG 0 +#define RATE_FORMAT_HT 1 +#define RATE_FORMAT_VHT 2 +#define RATE_FORMAT_HE 3 + +static void +nxpwifi_parse_htinfo(struct nxpwifi_private *priv, u8 rateinfo, u8 htinfo, + struct rate_info *rate) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u8 rate_format; + u8 he_dcm; + u8 stbc; + u8 gi; + u8 bw; + /* Bitrates in multiples of 100kb/s. */ + static const int legacy_rates[] = { + [0] = 10, + [1] = 20, + [2] = 55, + [3] = 110, + [4] = 60, /* NXPWIFI_RATE_INDEX_OFDM0 */ + [5] = 60, + [6] = 90, + [7] = 120, + [8] = 180, + [9] = 240, + [10] = 360, + [11] = 480, + [12] = 540, + }; + + rate_format = htinfo & 0x3; + + switch (rate_format) { + case RATE_FORMAT_LG: + if (rateinfo < ARRAY_SIZE(legacy_rates)) + rate->legacy = legacy_rates[rateinfo]; + break; + case RATE_FORMAT_HT: + rate->mcs = rateinfo; + rate->flags |= RATE_INFO_FLAGS_MCS; + break; + case RATE_FORMAT_VHT: + rate->mcs = rateinfo & 0xF; + rate->flags |= RATE_INFO_FLAGS_VHT_MCS; + break; + case RATE_FORMAT_HE: + rate->mcs = rateinfo & 0xF; + rate->flags |= RATE_INFO_FLAGS_HE_MCS; + he_dcm = 0; /* ToDo: ext_rate_info */ + gi = (htinfo & BIT(4)) >> 4 | + (htinfo & BIT(7)) >> 6; + stbc = (htinfo & BIT(5)) >> 5; + if (gi > 3) { + nxpwifi_dbg(adapter, ERROR, "Invalid gi value\n"); + break; + } + if (gi == 3 && stbc && he_dcm) { + gi = 0; + stbc = 0; + he_dcm = 0; + } + if (gi > 0) + gi -= 1; + rate->he_gi = gi; + rate->he_dcm = he_dcm; + break; + } + + bw = (htinfo & 0xC) >> 2; + + switch (bw) { + case 0: + rate->bw = RATE_INFO_BW_20; + break; + case 1: + rate->bw = RATE_INFO_BW_40; + break; + case 2: + rate->bw = RATE_INFO_BW_80; + break; + case 3: + rate->bw = RATE_INFO_BW_160; + break; + } + + if (rate_format != RATE_FORMAT_HE && (htinfo & BIT(4))) + rate->flags |= RATE_INFO_FLAGS_SHORT_GI; + + if ((rateinfo >> 4) == 1) + rate->nss = 2; + else + rate->nss = 1; +} + +/* + * Dump station statistics into station_info. + * Includes bytes/packets counters, signal level, and TX/RX rates. + */ +static int +nxpwifi_dump_station_info(struct nxpwifi_private *priv, + struct nxpwifi_sta_node *node, + struct station_info *sinfo) +{ + u32 rate; + int ret; + + sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | + BIT_ULL(NL80211_STA_INFO_TX_BYTES) | + BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | + BIT_ULL(NL80211_STA_INFO_SIGNAL) | + BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + if (!node) + return -ENOENT; + + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) | + BIT_ULL(NL80211_STA_INFO_TX_FAILED); + sinfo->inactive_time = + jiffies_to_msecs(jiffies - node->stats.last_rx); + + sinfo->signal = node->stats.rssi; + sinfo->signal_avg = node->stats.rssi; + sinfo->rx_bytes = node->stats.rx_bytes; + sinfo->tx_bytes = node->stats.tx_bytes; + sinfo->rx_packets = node->stats.rx_packets; + sinfo->tx_packets = node->stats.tx_packets; + sinfo->tx_failed = node->stats.tx_failed; + + nxpwifi_parse_htinfo(priv, priv->tx_rate, + node->stats.last_tx_htinfo, + &sinfo->txrate); + sinfo->txrate.legacy = node->stats.last_tx_rate * 5; + + return 0; + } + + /* Get signal information from the firmware */ + ret = nxpwifi_get_rssi_info(priv); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "failed to get signal information\n"); + goto done; + } + + ret = nxpwifi_drv_get_data_rate(priv, &rate); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "getting data rate error\n"); + goto done; + } + + /* Retrieve DTIM period value from firmware. */ + nxpwifi_get_802_11_snmp_mib(priv, DTIM_PERIOD_I, &priv->dtim_period); + + nxpwifi_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo, + &sinfo->txrate); + + sinfo->signal_avg = priv->bcn_rssi_avg; + sinfo->rx_bytes = priv->stats.rx_bytes; + sinfo->tx_bytes = priv->stats.tx_bytes; + sinfo->rx_packets = priv->stats.rx_packets; + sinfo->tx_packets = priv->stats.tx_packets; + sinfo->signal = priv->bcn_rssi_avg; + /* Convert bitrate from 500 kb/s units to 100 kb/s units. */ + sinfo->txrate.legacy = rate * 5; + + sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); + nxpwifi_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo, + &sinfo->rxrate); + + if (priv->bss_mode == NL80211_IFTYPE_STATION) { + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); + sinfo->bss_param.flags = 0; + if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & + WLAN_CAPABILITY_SHORT_PREAMBLE) + sinfo->bss_param.flags |= + BSS_PARAM_FLAGS_SHORT_PREAMBLE; + if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & + WLAN_CAPABILITY_SHORT_SLOT_TIME) + sinfo->bss_param.flags |= + BSS_PARAM_FLAGS_SHORT_SLOT_TIME; + sinfo->bss_param.dtim_period = priv->dtim_period; + sinfo->bss_param.beacon_interval = + priv->curr_bss_params.bss_descriptor.beacon_period; + } + +done: + return ret; +} + +/* + * cfg80211 op: get station information. + * Works only when connected and fills station_info with current stats. + */ +static int +nxpwifi_cfg80211_get_station(struct wiphy *wiphy, struct wireless_dev *wdev, + const u8 *mac, struct station_info *sinfo) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_sta_node *node; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) { + if (!priv->media_connected || + memcmp(mac, priv->cfg_bssid, ETH_ALEN)) + return -ENOENT; + node = NULL; + } else { + rcu_read_lock(); + node = nxpwifi_get_sta_entry(priv, mac); + rcu_read_unlock(); + } + + return nxpwifi_dump_station_info(priv, node, sinfo); +} + +/* cfg80211 operation handler to dump station information. */ +static int +nxpwifi_cfg80211_dump_station(struct wiphy *wiphy, struct wireless_dev *wdev, + int idx, u8 *mac, struct station_info *sinfo) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_sta_node *node; + struct nxpwifi_sta_node *found = NULL; + int i; + + if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) && + priv->media_connected && idx == 0) { + ether_addr_copy(mac, priv->cfg_bssid); + return nxpwifi_dump_station_info(priv, NULL, sinfo); + } else if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + nxpwifi_ap_get_sta_list(priv); + + i = 0; + rcu_read_lock(); + list_for_each_entry_rcu(node, &priv->sta_list, list) { + if (i++ != idx) + continue; + found = node; + break; + } + rcu_read_unlock(); + + if (found) { + ether_addr_copy(mac, node->mac_addr); + return nxpwifi_dump_station_info(priv, node, sinfo); + } + } + + return -ENOENT; +} + +static int +nxpwifi_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, + int idx, struct survey_info *survey) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_chan_stats *pchan_stats = priv->adapter->chan_stats; + enum nl80211_band band; + u8 chan_num; + + nxpwifi_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); + + memset(survey, 0, sizeof(struct survey_info)); + + if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) && + priv->media_connected && idx == 0) { + u8 curr_bss_band = priv->curr_bss_params.band; + u32 chan = priv->curr_bss_params.bss_descriptor.channel; + + band = nxpwifi_band_to_radio_type(curr_bss_band); + survey->channel = ieee80211_get_channel + (wiphy, + ieee80211_channel_to_frequency(chan, band)); + + if (priv->bcn_nf_last) { + survey->filled = SURVEY_INFO_NOISE_DBM; + survey->noise = priv->bcn_nf_last; + } + return 0; + } + + if (idx >= priv->adapter->num_in_chan_stats) + return -ENOENT; + + if (!pchan_stats[idx].cca_scan_dur) + return 0; + + band = pchan_stats[idx].bandcfg; + chan_num = pchan_stats[idx].chan_num; + survey->channel = ieee80211_get_channel + (wiphy, + ieee80211_channel_to_frequency(chan_num, band)); + survey->filled = SURVEY_INFO_NOISE_DBM | + SURVEY_INFO_TIME | + SURVEY_INFO_TIME_BUSY; + survey->noise = pchan_stats[idx].noise; + survey->time = pchan_stats[idx].cca_scan_dur; + survey->time_busy = pchan_stats[idx].cca_busy_dur; + + return 0; +} + +/* Supported rates to be advertised to the cfg80211 */ +static struct ieee80211_rate nxpwifi_rates[] = { + {.bitrate = 10, .hw_value = 2, }, + {.bitrate = 20, .hw_value = 4, }, + {.bitrate = 55, .hw_value = 11, }, + {.bitrate = 110, .hw_value = 22, }, + {.bitrate = 60, .hw_value = 12, }, + {.bitrate = 90, .hw_value = 18, }, + {.bitrate = 120, .hw_value = 24, }, + {.bitrate = 180, .hw_value = 36, }, + {.bitrate = 240, .hw_value = 48, }, + {.bitrate = 360, .hw_value = 72, }, + {.bitrate = 480, .hw_value = 96, }, + {.bitrate = 540, .hw_value = 108, }, +}; + +/* Channel definitions to be advertised to cfg80211 */ +static struct ieee80211_channel nxpwifi_channels_2ghz[] = { + {.center_freq = 2412, .hw_value = 1, }, + {.center_freq = 2417, .hw_value = 2, }, + {.center_freq = 2422, .hw_value = 3, }, + {.center_freq = 2427, .hw_value = 4, }, + {.center_freq = 2432, .hw_value = 5, }, + {.center_freq = 2437, .hw_value = 6, }, + {.center_freq = 2442, .hw_value = 7, }, + {.center_freq = 2447, .hw_value = 8, }, + {.center_freq = 2452, .hw_value = 9, }, + {.center_freq = 2457, .hw_value = 10, }, + {.center_freq = 2462, .hw_value = 11, }, + {.center_freq = 2467, .hw_value = 12, }, + {.center_freq = 2472, .hw_value = 13, }, + {.center_freq = 2484, .hw_value = 14, }, +}; + +static struct ieee80211_supported_band nxpwifi_band_2ghz = { + .band = NL80211_BAND_2GHZ, + .channels = nxpwifi_channels_2ghz, + .n_channels = ARRAY_SIZE(nxpwifi_channels_2ghz), + .bitrates = nxpwifi_rates, + .n_bitrates = ARRAY_SIZE(nxpwifi_rates), +}; + +static struct ieee80211_channel nxpwifi_channels_5ghz[] = { + {.center_freq = 5040, .hw_value = 8, }, + {.center_freq = 5060, .hw_value = 12, }, + {.center_freq = 5080, .hw_value = 16, }, + {.center_freq = 5170, .hw_value = 34, }, + {.center_freq = 5190, .hw_value = 38, }, + {.center_freq = 5210, .hw_value = 42, }, + {.center_freq = 5230, .hw_value = 46, }, + {.center_freq = 5180, .hw_value = 36, }, + {.center_freq = 5200, .hw_value = 40, }, + {.center_freq = 5220, .hw_value = 44, }, + {.center_freq = 5240, .hw_value = 48, }, + {.center_freq = 5260, .hw_value = 52, }, + {.center_freq = 5280, .hw_value = 56, }, + {.center_freq = 5300, .hw_value = 60, }, + {.center_freq = 5320, .hw_value = 64, }, + {.center_freq = 5500, .hw_value = 100, }, + {.center_freq = 5520, .hw_value = 104, }, + {.center_freq = 5540, .hw_value = 108, }, + {.center_freq = 5560, .hw_value = 112, }, + {.center_freq = 5580, .hw_value = 116, }, + {.center_freq = 5600, .hw_value = 120, }, + {.center_freq = 5620, .hw_value = 124, }, + {.center_freq = 5640, .hw_value = 128, }, + {.center_freq = 5660, .hw_value = 132, }, + {.center_freq = 5680, .hw_value = 136, }, + {.center_freq = 5700, .hw_value = 140, }, + {.center_freq = 5745, .hw_value = 149, }, + {.center_freq = 5765, .hw_value = 153, }, + {.center_freq = 5785, .hw_value = 157, }, + {.center_freq = 5805, .hw_value = 161, }, + {.center_freq = 5825, .hw_value = 165, }, +}; + +static struct ieee80211_supported_band nxpwifi_band_5ghz = { + .band = NL80211_BAND_5GHZ, + .channels = nxpwifi_channels_5ghz, + .n_channels = ARRAY_SIZE(nxpwifi_channels_5ghz), + .bitrates = nxpwifi_rates + 4, + .n_bitrates = ARRAY_SIZE(nxpwifi_rates) - 4, +}; + +/* Supported crypto cipher suits to be advertised to cfg80211 */ +static const u32 nxpwifi_cipher_suites[] = { + WLAN_CIPHER_SUITE_WEP40, + WLAN_CIPHER_SUITE_WEP104, + WLAN_CIPHER_SUITE_TKIP, + WLAN_CIPHER_SUITE_CCMP, + WLAN_CIPHER_SUITE_SMS4, + WLAN_CIPHER_SUITE_AES_CMAC, + WLAN_CIPHER_SUITE_GCMP_256, + WLAN_CIPHER_SUITE_CCMP_256, + WLAN_CIPHER_SUITE_BIP_GMAC_256, + WLAN_CIPHER_SUITE_BIP_CMAC_256, +}; + +/* Supported mgmt frame types to be advertised to cfg80211 */ +static const struct ieee80211_txrx_stypes +nxpwifi_mgmt_stypes[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_STATION] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4), + }, + [NL80211_IFTYPE_AP] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4), + }, +}; + +/* + * cfg80211 op: set bitrate mask. + * Converts cfg80211 bitrate selections into firmware bitmap format. + */ +static int +nxpwifi_cfg80211_set_bitrate_mask(struct wiphy *wiphy, + struct net_device *dev, + unsigned int link_id, + const u8 *peer, + const struct cfg80211_bitrate_mask *mask) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; + enum nl80211_band band; + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!priv->media_connected) { + nxpwifi_dbg(adapter, ERROR, + "Can not set Tx data rate in disconnected state\n"); + return -EINVAL; + } + + band = nxpwifi_band_to_radio_type(priv->curr_bss_params.band); + + memset(bitmap_rates, 0, sizeof(bitmap_rates)); + + /* Fill HR/DSSS legacy rates (2.4 GHz only). */ + if (band == NL80211_BAND_2GHZ) + bitmap_rates[0] = mask->control[band].legacy & 0x000f; + + /* Fill OFDM legacy rates. */ + if (band == NL80211_BAND_2GHZ) + bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; + else + bitmap_rates[1] = mask->control[band].legacy; + + /* Fill HT MCS bitmap (1x1 or 2x2 depending on hardware). */ + bitmap_rates[2] = mask->control[band].ht_mcs[0]; + if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) + bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; + + /* Fill VHT MCS bitmap if supported by firmware. */ + if (adapter->fw_api_ver == NXPWIFI_FW_V15) { + bitmap_rates[10] = mask->control[band].vht_mcs[0]; + if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) + bitmap_rates[11] = mask->control[band].vht_mcs[1]; + } + + return nxpwifi_set_tx_rate(priv, bitmap_rates); +} + +/* + * cfg80211 op: configure connection-quality monitoring. + * Subscribes or unsubscribes HIGH_RSSI and LOW_RSSI events to firmware. + */ +static int nxpwifi_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, + struct net_device *dev, + s32 rssi_thold, u32 rssi_hyst) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_ds_misc_subsc_evt subsc_evt; + int ret = 0; + + priv->cqm_rssi_thold = rssi_thold; + priv->cqm_rssi_hyst = rssi_hyst; + + memset(&subsc_evt, 0x00, sizeof(struct nxpwifi_ds_misc_subsc_evt)); + subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; + + /* Subscribe/unsubscribe low and high rssi events */ + if (rssi_thold && rssi_hyst) { + subsc_evt.action = HOST_ACT_BITWISE_SET; + subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); + subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); + subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; + subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; + ret = nxpwifi_802_11_subscribe_event(priv, &subsc_evt); + } else { + subsc_evt.action = HOST_ACT_BITWISE_CLR; + ret = nxpwifi_802_11_subscribe_event(priv, &subsc_evt); + } + + return ret; +} + +/* + * cfg80211 operation handler for change_beacon. + * Function retrieves and sets modified management IEs to FW. + */ +int nxpwifi_cfg80211_change_beacon(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_ap_update *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_adapter *adapter = priv->adapter; + struct cfg80211_beacon_data *data = ¶ms->beacon; + int ret; + + nxpwifi_cancel_scan(adapter); + + if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) { + nxpwifi_dbg(priv->adapter, ERROR, + "%s: bss_type mismatched\n", __func__); + return -EINVAL; + } + + ret = nxpwifi_set_mgmt_ies(priv, data); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "%s: setting mgmt ies failed\n", __func__); + + return ret; +} + +/* + * cfg80211 operation handler for del_station. + * Function deauthenticates station which value is provided in mac parameter. + * If mac is NULL/broadcast, all stations in associated station list are + * deauthenticated. If bss is not started or there are no stations in + * associated stations list, no action is taken. + */ +static int +nxpwifi_cfg80211_del_station(struct wiphy *wiphy, struct wireless_dev *wdev, + struct station_del_parameters *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_sta_node *sta_node; + u8 deauth_mac[ETH_ALEN]; + int ret = 0; + + if (!priv->bss_started && priv->wdev.links[0].cac_started) { + nxpwifi_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); + nxpwifi_abort_cac(priv); + } + + if (list_empty(&priv->sta_list) || !priv->bss_started) + return 0; + + if (!params->mac || is_broadcast_ether_addr(params->mac)) + return 0; + + nxpwifi_dbg(priv->adapter, INFO, "%s: mac address %pM\n", + __func__, params->mac); + + eth_zero_addr(deauth_mac); + + sta_node = nxpwifi_get_sta_entry(priv, params->mac); + if (sta_node) + ether_addr_copy(deauth_mac, params->mac); + + if (is_valid_ether_addr(deauth_mac)) { + ret = nxpwifi_uap_sta_deauth(priv, deauth_mac); + nxpwifi_del_sta_entry(priv, deauth_mac); + } + return ret; +} + +static int +nxpwifi_cfg80211_set_antenna(struct wiphy *wiphy, int radio_idx, u32 tx_ant, u32 rx_ant) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, + NXPWIFI_BSS_ROLE_ANY); + struct nxpwifi_ds_ant_cfg ant_cfg; + + if (!tx_ant || !rx_ant) + return -EOPNOTSUPP; + + if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { + /* + * Not a MIMO chip. User should provide specific antenna number + * for Tx/Rx path or enable all antennas for diversity + */ + if (tx_ant != rx_ant) + return -EOPNOTSUPP; + + if ((tx_ant & (tx_ant - 1)) && + (tx_ant != BIT(adapter->number_of_antenna) - 1)) + return -EOPNOTSUPP; + + if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && + priv->adapter->number_of_antenna > 1) { + tx_ant = RF_ANTENNA_AUTO; + rx_ant = RF_ANTENNA_AUTO; + } + } else { + struct ieee80211_sta_ht_cap *ht_info; + int rx_mcs_supp; + enum nl80211_band band; + + if ((tx_ant == 0x1 && rx_ant == 0x1)) { + adapter->user_dev_mcs_support = HT_STREAM_1X1; + if (adapter->is_hw_11ac_capable) + adapter->usr_dot_11ac_mcs_support = + NXPWIFI_11AC_MCS_MAP_1X1; + } else { + adapter->user_dev_mcs_support = HT_STREAM_2X2; + if (adapter->is_hw_11ac_capable) + adapter->usr_dot_11ac_mcs_support = + NXPWIFI_11AC_MCS_MAP_2X2; + } + + for (band = 0; band < NUM_NL80211_BANDS; band++) { + if (!adapter->wiphy->bands[band]) + continue; + + ht_info = &adapter->wiphy->bands[band]->ht_cap; + rx_mcs_supp = + GET_RXMCSSUPP(adapter->user_dev_mcs_support); + memset(&ht_info->mcs, 0, adapter->number_of_antenna); + memset(&ht_info->mcs, 0xff, rx_mcs_supp); + } + } + + ant_cfg.tx_ant = tx_ant; + ant_cfg.rx_ant = rx_ant; + + return nxpwifi_set_rf_antenna(priv, &ant_cfg); +} + +static int +nxpwifi_cfg80211_get_antenna(struct wiphy *wiphy, int radio_idx, u32 *tx_ant, u32 *rx_ant) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, + NXPWIFI_BSS_ROLE_ANY); + int ret; + + ret = nxpwifi_get_rf_antenna(priv, tx_ant, rx_ant); + + return ret; +} + +/* + * cfg80211 op: stop AP. + * Stops the BSS running on the uAP interface. + */ +static int nxpwifi_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, + unsigned int link_id) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int ret; + + nxpwifi_abort_cac(priv); + + if (nxpwifi_del_mgmt_ies(priv)) + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to delete mgmt IEs!\n"); + + priv->ap_11n_enabled = 0; + memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); + + ret = nxpwifi_ap_stop_bss(priv); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to stop the BSS\n"); + goto done; + } + + ret = nxpwifi_ap_sys_reset(priv); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to reset BSS\n"); + goto done; + } + + netif_carrier_off(priv->netdev); + nxpwifi_stop_net_dev_queue(priv->netdev, priv->adapter); + + if (atomic_dec_and_test(&priv->adapter->uap_count)) { + priv->adapter->chandef_valid = false; + memset(&priv->adapter->chandef, 0, sizeof(priv->adapter->chandef)); + } + +done: + return ret; +} + +/* + * cfg80211 op: start AP. + * Applies beacon/DTIM/SSID/security settings to the uAP configuration and + * starts the BSS. + */ +static int nxpwifi_cfg80211_start_ap(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_ap_settings *params) +{ + struct nxpwifi_uap_bss_param *bss_cfg; + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_adapter *adapter = priv->adapter; + struct cfg80211_chan_def use_chandef; + bool is_first_uap = false; + int ret; + + /* + * Adapter is the HW channel owner (single PHY). + * All UAP interfaces on the same adapter must share + * the same RF channel. + */ + use_chandef = params->chandef; + + if (adapter->chandef_valid) { + if (!cfg80211_chandef_identical(&adapter->chandef, + ¶ms->chandef)) { + nxpwifi_dbg(adapter, INFO, + "UAP already running on channel %d, ignore requested channel %d\n", + adapter->chandef.chan->hw_value, + params->chandef.chan->hw_value); + } + use_chandef = adapter->chandef; + } else { + is_first_uap = true; + } + + if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) + return -EINVAL; + + if (!nxpwifi_is_channel_setting_allowable(priv, params->chandef.chan)) + return -EOPNOTSUPP; + + bss_cfg = kzalloc_obj(*bss_cfg, GFP_KERNEL); + if (!bss_cfg) + return -ENOMEM; + + nxpwifi_set_sys_config_invalid_data(bss_cfg); + + memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN); + + if (params->beacon_interval) + bss_cfg->beacon_period = params->beacon_interval; + if (params->dtim_period) + bss_cfg->dtim_period = params->dtim_period; + + if (params->ssid && params->ssid_len) { + memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); + bss_cfg->ssid.ssid_len = params->ssid_len; + } + if (params->inactivity_timeout > 0) { + /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ + bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; + bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; + } + + /* Default: SSID is visible */ + bss_cfg->bcast_ssid_ctl = NXPWIFI_BCAST_SSID_VISIBLE; + + switch (params->hidden_ssid) { + case NL80211_HIDDEN_SSID_NOT_IN_USE: + bss_cfg->bcast_ssid_ctl = NXPWIFI_BCAST_SSID_VISIBLE; + break; + case NL80211_HIDDEN_SSID_ZERO_LEN: + bss_cfg->bcast_ssid_ctl = NXPWIFI_BCAST_SSID_HIDE_LEN_ZERO; + break; + case NL80211_HIDDEN_SSID_ZERO_CONTENTS: + bss_cfg->bcast_ssid_ctl = NXPWIFI_BCAST_SSID_HIDE_LEN_RETAIN; + break; + } + + nxpwifi_uap_set_channel(priv, bss_cfg, use_chandef); + nxpwifi_set_uap_rates(bss_cfg, params); + + ret = nxpwifi_set_secure_params(priv, bss_cfg, params); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "Failed to parse security parameters!\n"); + goto done; + } + + nxpwifi_set_ht_params(priv, bss_cfg, params); + + if (adapter->is_hw_11ac_capable) { + nxpwifi_set_vht_params(priv, bss_cfg, params); + nxpwifi_set_vht_width(priv, use_chandef.width, + priv->ap_11ac_enabled); + } + + if (priv->ap_11ac_enabled) + nxpwifi_set_11ac_ba_params(priv); + else + nxpwifi_set_ba_params(priv); + + if (adapter->is_hw_11ax_capable) { + priv->ap_11ax_enabled = + nxpwifi_check_11ax_capability(priv, bss_cfg, params); + if (priv->ap_11ax_enabled) + nxpwifi_set_11ax_status(priv, bss_cfg, params); + } + + nxpwifi_set_wmm_params(priv, bss_cfg, params); + + if (nxpwifi_is_11h_active(priv)) + nxpwifi_set_tpc_params(priv, bss_cfg, params); + + if (nxpwifi_is_11h_active(priv) && + !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, + priv->bss_mode)) { + nxpwifi_dbg(priv->adapter, INFO, + "Disable 11h extensions in FW\n"); + ret = nxpwifi_11h_activate(priv, false); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to disable 11h extensions!!"); + goto done; + } + priv->state_11h.is_11h_active = false; + } + + nxpwifi_config_uap_11d(priv, ¶ms->beacon); + + ret = nxpwifi_set_mgmt_ies(priv, ¶ms->beacon); + if (ret) + goto done; + + ret = nxpwifi_config_start_uap(priv, bss_cfg); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to start AP\n"); + goto done; + } + + /* First UAP records adapter-level HW channel */ + if (is_first_uap) { + adapter->chandef = use_chandef; + adapter->chandef_valid = true; + } + atomic_inc(&adapter->uap_count); + netif_carrier_on(priv->netdev); + nxpwifi_wake_up_net_dev_queue(priv->netdev, priv->adapter); + + memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); + +done: + kfree(bss_cfg); + return ret; +} + +/* + * cfg80211 op: handle scan request. + * Issues a firmware scan using the requested parameters and reports the + * results. + */ +static int +nxpwifi_cfg80211_scan(struct wiphy *wiphy, + struct cfg80211_scan_request *request) +{ + struct net_device *dev = request->wdev->netdev; + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int i, offset, ret; + struct ieee80211_channel *chan; + struct element *ie; + struct nxpwifi_user_scan_cfg *user_scan_cfg; + u8 mac_addr[ETH_ALEN]; + + nxpwifi_dbg(priv->adapter, CMD, + "info: received scan request on %s\n", dev->name); + + /* + * Block scan requests during active scanning or scan cleanup. + * Prevents new scans when the interface is disabled or teardown is in + * progress. + */ + if (priv->scan_request || priv->scan_aborting) { + nxpwifi_dbg(priv->adapter, WARN, + "cmd: Scan already in process..\n"); + return -EBUSY; + } + + if (!priv->wdev.connected && priv->scan_block) + priv->scan_block = false; + + if (!nxpwifi_stop_bg_scan(priv)) + cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); + + user_scan_cfg = kzalloc_obj(*user_scan_cfg, GFP_KERNEL); + if (!user_scan_cfg) + return -ENOMEM; + + priv->scan_request = request; + + if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { + get_random_mask_addr(mac_addr, request->mac_addr, + request->mac_addr_mask); + ether_addr_copy(request->mac_addr, mac_addr); + ether_addr_copy(user_scan_cfg->random_mac, mac_addr); + } + + user_scan_cfg->num_ssids = request->n_ssids; + user_scan_cfg->ssid_list = request->ssids; + + if (request->ie && request->ie_len) { + offset = 0; + for (i = 0; i < NXPWIFI_MAX_VSIE_NUM; i++) { + if (priv->vs_ie[i].mask != NXPWIFI_VSIE_MASK_CLEAR) + continue; + priv->vs_ie[i].mask = NXPWIFI_VSIE_MASK_SCAN; + ie = (struct element *)(request->ie + offset); + memcpy(&priv->vs_ie[i].ie, ie, + sizeof(*ie) + ie->datalen); + offset += sizeof(*ie) + ie->datalen; + + if (offset >= request->ie_len) + break; + } + } + + for (i = 0; i < min_t(u32, request->n_channels, + NXPWIFI_USER_SCAN_CHAN_MAX); i++) { + chan = request->channels[i]; + user_scan_cfg->chan_list[i].chan_number = chan->hw_value; + user_scan_cfg->chan_list[i].radio_type = chan->band; + + if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) + user_scan_cfg->chan_list[i].scan_type = + NXPWIFI_SCAN_TYPE_PASSIVE; + else + user_scan_cfg->chan_list[i].scan_type = + NXPWIFI_SCAN_TYPE_ACTIVE; + + user_scan_cfg->chan_list[i].scan_time = 0; + } + + if (priv->adapter->scan_chan_gap_enabled && + nxpwifi_is_any_intf_active(priv)) + user_scan_cfg->scan_chan_gap = + priv->adapter->scan_chan_gap_time; + + ret = nxpwifi_scan_networks(priv, user_scan_cfg); + kfree(user_scan_cfg); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "scan failed: %d\n", ret); + priv->scan_aborting = false; + priv->scan_request = NULL; + return ret; + } + + if (request->ie && request->ie_len) { + for (i = 0; i < NXPWIFI_MAX_VSIE_NUM; i++) { + if (priv->vs_ie[i].mask == NXPWIFI_VSIE_MASK_SCAN) { + priv->vs_ie[i].mask = NXPWIFI_VSIE_MASK_CLEAR; + memset(&priv->vs_ie[i].ie, 0, + NXPWIFI_MAX_VSIE_LEN); + } + } + } + return 0; +} + +/* + * cfg80211 sched_scan_start handler. + * + * Send a bgscan configuration request to the firmware based on the + * scheduled scan parameters. On success, the firmware later issues a + * BGSCAN_REPORT event, after which the driver should query the firmware + * for scan results. + */ +static int +nxpwifi_cfg80211_sched_scan_start(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_sched_scan_request *request) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int i, offset; + struct ieee80211_channel *chan; + struct nxpwifi_bg_scan_cfg *bgscan_cfg; + struct element *ie; + int ret; + + if (!request || (!request->n_ssids && !request->n_match_sets)) { + wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", + __func__); + return -EINVAL; + } + + wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", + request->n_ssids, request->n_match_sets); + wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", + request->n_channels, request->scan_plans->interval, + (int)request->ie_len); + + bgscan_cfg = kzalloc_obj(*bgscan_cfg, GFP_KERNEL); + if (!bgscan_cfg) + return -ENOMEM; + + if (priv->scan_request || priv->scan_aborting) + bgscan_cfg->start_later = true; + + bgscan_cfg->num_ssids = request->n_match_sets; + bgscan_cfg->ssid_list = request->match_sets; + + if (request->ie && request->ie_len) { + offset = 0; + for (i = 0; i < NXPWIFI_MAX_VSIE_NUM; i++) { + if (priv->vs_ie[i].mask != NXPWIFI_VSIE_MASK_CLEAR) + continue; + priv->vs_ie[i].mask = NXPWIFI_VSIE_MASK_BGSCAN; + ie = (struct element *)(request->ie + offset); + memcpy(&priv->vs_ie[i].ie, ie, + sizeof(*ie) + ie->datalen); + offset += sizeof(*ie) + ie->datalen; + + if (offset >= request->ie_len) + break; + } + } + + for (i = 0; i < min_t(u32, request->n_channels, + NXPWIFI_BG_SCAN_CHAN_MAX); i++) { + chan = request->channels[i]; + bgscan_cfg->chan_list[i].chan_number = chan->hw_value; + bgscan_cfg->chan_list[i].radio_type = chan->band; + + if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) + bgscan_cfg->chan_list[i].scan_type = + NXPWIFI_SCAN_TYPE_PASSIVE; + else + bgscan_cfg->chan_list[i].scan_type = + NXPWIFI_SCAN_TYPE_ACTIVE; + + bgscan_cfg->chan_list[i].scan_time = 0; + } + + bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, + NXPWIFI_BG_SCAN_CHAN_MAX); + + /* Minimum scan cycle duration: 15 seconds */ + bgscan_cfg->scan_interval = (request->scan_plans->interval > + NXPWIFI_BGSCAN_INTERVAL) ? + request->scan_plans->interval : + NXPWIFI_BGSCAN_INTERVAL; + + bgscan_cfg->repeat_count = NXPWIFI_BGSCAN_REPEAT_COUNT; + bgscan_cfg->report_condition = NXPWIFI_BGSCAN_SSID_MATCH | + NXPWIFI_BGSCAN_WAIT_ALL_CHAN_DONE; + bgscan_cfg->bss_type = NXPWIFI_BSS_MODE_INFRA; + bgscan_cfg->action = NXPWIFI_BGSCAN_ACT_SET; + bgscan_cfg->enable = true; + if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { + bgscan_cfg->report_condition |= NXPWIFI_BGSCAN_SSID_RSSI_MATCH; + bgscan_cfg->rssi_threshold = request->min_rssi_thold; + } + + ret = nxpwifi_bg_scan_config(priv, bgscan_cfg); + + if (!ret) + priv->sched_scanning = true; + + kfree(bgscan_cfg); + return ret; +} + +/* + * cfg80211 sched_scan_stop handler. + * + * Send a bgscan configuration command to disable the previous + * background scan settings in the firmware. + */ +static int nxpwifi_cfg80211_sched_scan_stop(struct wiphy *wiphy, + struct net_device *dev, u64 reqid) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + + wiphy_info(wiphy, "sched scan stop!"); + return nxpwifi_stop_bg_scan(priv); +} + +/* + * Set default cfg80211 HT capabilities. + */ +static void +nxpwifi_setup_ht_caps(struct nxpwifi_private *priv, + struct ieee80211_sta_ht_cap *ht_info) +{ + int rx_mcs_supp; + struct ieee80211_mcs_info mcs_set; + u8 *mcs = (u8 *)&mcs_set; + struct nxpwifi_adapter *adapter = priv->adapter; + + ht_info->ht_supported = true; + ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; + ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; + + memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); + + /* Fill HT capability information */ + if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) + ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; + else + ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; + + if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) + ht_info->cap |= IEEE80211_HT_CAP_SGI_20; + else + ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; + + if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) + ht_info->cap |= IEEE80211_HT_CAP_SGI_40; + else + ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; + + if (adapter->user_dev_mcs_support == HT_STREAM_2X2) + ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; + else + ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; + + if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) + ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; + else + ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; + + if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) + ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; + else + ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; + + if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) + ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; + else + ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; + + if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) + ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; + else + ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; + + ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; + ht_info->cap |= IEEE80211_HT_CAP_SM_PS; + + rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); + /* Set MCS for 1x1/2x2 */ + memset(mcs, 0xff, rx_mcs_supp); + /* Clear all the other values */ + memset(&mcs[rx_mcs_supp], 0, + sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); + if (priv->bss_mode == NL80211_IFTYPE_STATION || + ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) + /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ + SETHT_MCS32(mcs_set.rx_mask); + + memcpy((u8 *)&ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); + + ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; +} + +static void +nxpwifi_setup_vht_caps(struct nxpwifi_private *priv, + struct ieee80211_sta_vht_cap *vht_info) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + vht_info->vht_supported = true; + + vht_info->cap = adapter->hw_dot_11ac_dev_cap; + /* Update MCS support for VHT */ + vht_info->vht_mcs.rx_mcs_map = + cpu_to_le16(adapter->hw_dot_11ac_mcs_support & 0xFFFF); + vht_info->vht_mcs.rx_highest = 0; + vht_info->vht_mcs.tx_mcs_map = + cpu_to_le16(adapter->hw_dot_11ac_mcs_support >> 16); + vht_info->vht_mcs.tx_highest = 0; +} + +/* + * 5 GHz HE capability masks for UAP mode. + * + * MAC: TWT requester/respondor, broadcast TWT, OMI control. + * + * PHY: 40/80 MHz width, puncturing, LDPC, NDP 4xLTF, STBC, + * Doppler, DCM, SU BF/BFe, STS, sounding dims, extended + * range, PPE present, 4xLTF 0.8us GI, Rx 1024-QAM. + */ +#define UAP_HE_MAC_CAP0_MASK (IEEE80211_HE_MAC_CAP0_TWT_REQ | \ + IEEE80211_HE_MAC_CAP0_TWT_RES) + +#define UAP_HE_MAC_CAP1_MASK 0 +#define UAP_HE_MAC_CAP2_MASK IEEE80211_HE_MAC_CAP2_BCAST_TWT +#define UAP_HE_MAC_CAP3_MASK IEEE80211_HE_MAC_CAP3_OMI_CONTROL +#define UAP_HE_MAC_CAP4_MASK 0 +#define UAP_HE_MAC_CAP5_MASK 0 + +#define UAP_HE_PHY_CAP0_MASK IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G +#define UAP_HE_PHY_CAP1_MASK (IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD | \ + IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ | \ + IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ) +#define UAP_HE_PHY_CAP2_MASK (IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | \ + IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | \ + IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | \ + IEEE80211_HE_PHY_CAP2_DOPPLER_TX | \ + IEEE80211_HE_PHY_CAP2_DOPPLER_RX) +#define UAP_HE_PHY_CAP3_MASK (IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK | \ + IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 | \ + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK | \ + IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 | \ + IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER) +#define UAP_HE_PHY_CAP4_MASK (IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | \ + IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8) +#define UAP_HE_PHY_CAP5_MASK IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 +#define UAP_HE_PHY_CAP6_MASK (IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | \ + IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) +#define UAP_HE_PHY_CAP7_MASK (IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI | \ + IEEE80211_HE_PHY_CAP7_MAX_NC_1) +#define UAP_HE_PHY_CAP8_MASK 0 +#define UAP_HE_PHY_CAP9_MASK IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU +#define UAP_HE_PHY_CAP10_MASK 0 + +/* + * 2.4 GHz HE capability masks for UAP mode. + * + * MAC: HTC HE, OMI control (no UL OFDMA). + * PHY: 40 MHz, LDPC, NDP 4xLTF, STBC, Doppler, DCM, + * SU BF/BFe, STS/sounding dims, extended range, + * PPE present, 4xLTF 0.8us GI, Rx 1024-QAM. + */ +#define UAP_HE_2G_MAC_CAP0_MASK 0x00 +#define UAP_HE_2G_MAC_CAP1_MASK 0x00 +#define UAP_HE_2G_MAC_CAP2_MASK 0x00 +#define UAP_HE_2G_MAC_CAP3_MASK IEEE80211_HE_MAC_CAP3_OMI_CONTROL +#define UAP_HE_2G_MAC_CAP4_MASK 0x00 +#define UAP_HE_2G_MAC_CAP5_MASK 0x00 + +#define UAP_HE_2G_PHY_CAP0_MASK IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G +#define UAP_HE_2G_PHY_CAP1_MASK IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD +#define UAP_HE_2G_PHY_CAP2_MASK (IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | \ + IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | \ + IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | \ + IEEE80211_HE_PHY_CAP2_DOPPLER_TX | \ + IEEE80211_HE_PHY_CAP2_DOPPLER_RX) +#define UAP_HE_2G_PHY_CAP3_MASK (IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK | \ + IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 | \ + IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK | \ + IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 | \ + IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER) +#define UAP_HE_2G_PHY_CAP4_MASK (IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | \ + IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8) +#define UAP_HE_2G_PHY_CAP5_MASK IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 +#define UAP_HE_2G_PHY_CAP6_MASK (IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | \ + IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) +#define UAP_HE_2G_PHY_CAP7_MASK (IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI | \ + IEEE80211_HE_PHY_CAP7_MAX_NC_1) +#define UAP_HE_2G_PHY_CAP8_MASK 0x00 +#define UAP_HE_2G_PHY_CAP9_MASK IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU +#define UAP_HE_2G_PHY_CAP10_MASK 0x00 +#define HE_CAP_FIX_SIZE 22 + +static void +nxpwifi_update_11ax_ie(u8 band, + struct nxpwifi_11ax_he_cap_cfg *he_cap_cfg) +{ + if (band == BAND_A) { + he_cap_cfg->cap_elem.mac_cap_info[0] &= UAP_HE_MAC_CAP0_MASK; + he_cap_cfg->cap_elem.mac_cap_info[1] &= UAP_HE_MAC_CAP1_MASK; + he_cap_cfg->cap_elem.mac_cap_info[2] &= UAP_HE_MAC_CAP2_MASK; + he_cap_cfg->cap_elem.mac_cap_info[3] &= UAP_HE_MAC_CAP3_MASK; + he_cap_cfg->cap_elem.mac_cap_info[4] &= UAP_HE_MAC_CAP4_MASK; + he_cap_cfg->cap_elem.mac_cap_info[5] &= UAP_HE_MAC_CAP5_MASK; + he_cap_cfg->cap_elem.phy_cap_info[0] &= UAP_HE_PHY_CAP0_MASK; + he_cap_cfg->cap_elem.phy_cap_info[1] &= UAP_HE_PHY_CAP1_MASK; + he_cap_cfg->cap_elem.phy_cap_info[2] &= UAP_HE_PHY_CAP2_MASK; + he_cap_cfg->cap_elem.phy_cap_info[3] &= UAP_HE_PHY_CAP3_MASK; + he_cap_cfg->cap_elem.phy_cap_info[4] &= UAP_HE_PHY_CAP4_MASK; + he_cap_cfg->cap_elem.phy_cap_info[5] &= UAP_HE_PHY_CAP5_MASK; + he_cap_cfg->cap_elem.phy_cap_info[6] &= UAP_HE_PHY_CAP6_MASK; + he_cap_cfg->cap_elem.phy_cap_info[7] &= UAP_HE_PHY_CAP7_MASK; + he_cap_cfg->cap_elem.phy_cap_info[8] &= UAP_HE_PHY_CAP8_MASK; + he_cap_cfg->cap_elem.phy_cap_info[9] &= UAP_HE_PHY_CAP9_MASK; + he_cap_cfg->cap_elem.phy_cap_info[10] &= UAP_HE_PHY_CAP10_MASK; + } else { + he_cap_cfg->cap_elem.mac_cap_info[0] &= UAP_HE_2G_MAC_CAP0_MASK; + he_cap_cfg->cap_elem.mac_cap_info[1] &= UAP_HE_2G_MAC_CAP1_MASK; + he_cap_cfg->cap_elem.mac_cap_info[2] &= UAP_HE_2G_MAC_CAP2_MASK; + he_cap_cfg->cap_elem.mac_cap_info[3] &= UAP_HE_2G_MAC_CAP3_MASK; + he_cap_cfg->cap_elem.mac_cap_info[4] &= UAP_HE_2G_MAC_CAP4_MASK; + he_cap_cfg->cap_elem.mac_cap_info[5] &= UAP_HE_2G_MAC_CAP5_MASK; + he_cap_cfg->cap_elem.phy_cap_info[0] &= UAP_HE_2G_PHY_CAP0_MASK; + he_cap_cfg->cap_elem.phy_cap_info[1] &= UAP_HE_2G_PHY_CAP1_MASK; + he_cap_cfg->cap_elem.phy_cap_info[2] &= UAP_HE_2G_PHY_CAP2_MASK; + he_cap_cfg->cap_elem.phy_cap_info[3] &= UAP_HE_2G_PHY_CAP3_MASK; + he_cap_cfg->cap_elem.phy_cap_info[4] &= UAP_HE_2G_PHY_CAP4_MASK; + he_cap_cfg->cap_elem.phy_cap_info[5] &= UAP_HE_2G_PHY_CAP5_MASK; + he_cap_cfg->cap_elem.phy_cap_info[6] &= UAP_HE_2G_PHY_CAP6_MASK; + he_cap_cfg->cap_elem.phy_cap_info[7] &= UAP_HE_2G_PHY_CAP7_MASK; + he_cap_cfg->cap_elem.phy_cap_info[8] &= UAP_HE_2G_PHY_CAP8_MASK; + he_cap_cfg->cap_elem.phy_cap_info[9] &= UAP_HE_2G_PHY_CAP9_MASK; + he_cap_cfg->cap_elem.phy_cap_info[10] &= UAP_HE_2G_PHY_CAP10_MASK; + } +} + +static void +nxpwifi_setup_he_caps(struct nxpwifi_private *priv, + struct ieee80211_supported_band *band) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct ieee80211_sband_iftype_data *iftype_data; + struct nxpwifi_11ax_he_cap_cfg he_cap_cfg; + u8 hw_he_cap_len; + u8 extra_mcs_size; + int ppe_threshold_len; + + if (band->band == NL80211_BAND_5GHZ) { + hw_he_cap_len = adapter->hw_he_cap_len; + memcpy(&he_cap_cfg, adapter->hw_he_cap, hw_he_cap_len); + nxpwifi_update_11ax_ie(BAND_A, &he_cap_cfg); + } else { + hw_he_cap_len = adapter->hw_2g_he_cap_len; + memcpy(&he_cap_cfg, adapter->hw_2g_he_cap, hw_he_cap_len); + nxpwifi_update_11ax_ie(BAND_G, &he_cap_cfg); + } + + if (!hw_he_cap_len) + return; + + iftype_data = kmalloc_obj(*iftype_data, GFP_KERNEL); + if (!iftype_data) + return; + memset(iftype_data, 0, sizeof(*iftype_data)); + + iftype_data->types_mask = + BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); + iftype_data->he_cap.has_he = true; + + memcpy(iftype_data->he_cap.he_cap_elem.mac_cap_info, + he_cap_cfg.cap_elem.mac_cap_info, + sizeof(he_cap_cfg.cap_elem.mac_cap_info)); + memcpy(iftype_data->he_cap.he_cap_elem.phy_cap_info, + he_cap_cfg.cap_elem.phy_cap_info, + sizeof(he_cap_cfg.cap_elem.phy_cap_info)); + memset(&iftype_data->he_cap.he_mcs_nss_supp, + 0xff, + sizeof(iftype_data->he_cap.he_mcs_nss_supp)); + memcpy(&iftype_data->he_cap.he_mcs_nss_supp, + he_cap_cfg.he_txrx_mcs_support, + sizeof(he_cap_cfg.he_txrx_mcs_support)); + + extra_mcs_size = 0; + /* Add 160 MHz MCS/NSS if supported */ + if (he_cap_cfg.cap_elem.phy_cap_info[0] & BIT(3)) + extra_mcs_size += 4; + /* Add 80+80 MHz MCS/NSS if supported */ + if (he_cap_cfg.cap_elem.phy_cap_info[0] & BIT(4)) + extra_mcs_size += 4; + if (extra_mcs_size) + memcpy((u8 *)&iftype_data->he_cap.he_mcs_nss_supp.rx_mcs_160, + he_cap_cfg.val, extra_mcs_size); + + /* Parse PPE thresholds when present */ + ppe_threshold_len = he_cap_cfg.len - HE_CAP_FIX_SIZE - extra_mcs_size; + if (he_cap_cfg.cap_elem.phy_cap_info[6] & BIT(7) && ppe_threshold_len) { + memcpy(iftype_data->he_cap.ppe_thres, + &he_cap_cfg.val[extra_mcs_size], + ppe_threshold_len); + } else { + iftype_data->he_cap.he_cap_elem.phy_cap_info[6] &= BIT(7); + } + + _ieee80211_set_sband_iftype_data(band, iftype_data, 1); +} + +/* create a new virtual interface with the given name and name assign type */ +struct wireless_dev *nxpwifi_add_virtual_intf(struct wiphy *wiphy, + const char *name, + unsigned char name_assign_type, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct net_device *dev; + void *mdev_priv; + int ret; + + if (!adapter) + return ERR_PTR(-EFAULT); + + switch (type) { + case NL80211_IFTYPE_UNSPECIFIED: + case NL80211_IFTYPE_STATION: + if (adapter->curr_iface_comb.sta_intf == + adapter->iface_limit.sta_intf) { + nxpwifi_dbg(adapter, ERROR, + "cannot create multiple sta ifaces\n"); + return ERR_PTR(-EINVAL); + } + + priv = nxpwifi_get_unused_priv_by_bss_type + (adapter, NXPWIFI_BSS_TYPE_STA); + if (!priv) { + nxpwifi_dbg(adapter, ERROR, + "could not get free private struct\n"); + return ERR_PTR(-EFAULT); + } + + priv->wdev.wiphy = wiphy; + priv->wdev.iftype = NL80211_IFTYPE_STATION; + + if (type == NL80211_IFTYPE_UNSPECIFIED) + priv->bss_mode = NL80211_IFTYPE_STATION; + else + priv->bss_mode = type; + + priv->bss_type = NXPWIFI_BSS_TYPE_STA; + priv->frame_type = NXPWIFI_DATA_FRAME_TYPE_ETH_II; + priv->bss_priority = 0; + priv->bss_role = NXPWIFI_BSS_ROLE_STA; + + break; + case NL80211_IFTYPE_AP: + if (adapter->curr_iface_comb.uap_intf == + adapter->iface_limit.uap_intf) { + nxpwifi_dbg(adapter, ERROR, + "cannot create multiple AP ifaces\n"); + return ERR_PTR(-EINVAL); + } + + priv = nxpwifi_get_unused_priv_by_bss_type + (adapter, NXPWIFI_BSS_TYPE_UAP); + if (!priv) { + nxpwifi_dbg(adapter, ERROR, + "could not get free private struct\n"); + return ERR_PTR(-EFAULT); + } + + priv->wdev.wiphy = wiphy; + priv->wdev.iftype = NL80211_IFTYPE_AP; + + priv->bss_type = NXPWIFI_BSS_TYPE_UAP; + priv->frame_type = NXPWIFI_DATA_FRAME_TYPE_ETH_II; + priv->bss_priority = 0; + priv->bss_role = NXPWIFI_BSS_ROLE_UAP; + priv->bss_started = 0; + priv->bss_mode = type; + + break; + case NL80211_IFTYPE_MONITOR: + priv = nxpwifi_get_unused_priv_by_bss_type + (adapter, NXPWIFI_BSS_TYPE_UAP); + if (!priv) { + nxpwifi_dbg(adapter, ERROR, + "could not get free private struct\n"); + return ERR_PTR(-EFAULT); + } + priv->wdev.wiphy = wiphy; + priv->wdev.iftype = NL80211_IFTYPE_MONITOR; + + priv->bss_type = NXPWIFI_BSS_TYPE_UAP; + priv->frame_type = NXPWIFI_DATA_FRAME_TYPE_ETH_II; + priv->bss_priority = 0; + priv->bss_started = 0; + priv->bss_mode = type; + + break; + default: + nxpwifi_dbg(adapter, ERROR, "type not supported\n"); + return ERR_PTR(-EINVAL); + } + + dev = alloc_netdev_mqs(sizeof(struct nxpwifi_private *), name, + name_assign_type, ether_setup, + IEEE80211_NUM_ACS, 1); + if (!dev) { + nxpwifi_dbg(adapter, ERROR, + "no memory available for netdevice\n"); + ret = -ENOMEM; + goto err_alloc_netdev; + } + + nxpwifi_init_priv_params(priv, dev); + + priv->netdev = dev; + + nxpwifi_set_mac_address(priv, dev, false, NULL); + + if (type != NL80211_IFTYPE_MONITOR) { + ret = nxpwifi_set_bss_mode(priv); + + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "%s: err_set_bss_mode\n", __func__); + goto err_set_bss_mode; + } + } + + ret = nxpwifi_sta_init_cmd(priv, false, false); + if (ret) + goto err_sta_init; + + dev_net_set(dev, wiphy_net(wiphy)); + dev->ieee80211_ptr = &priv->wdev; + dev->ieee80211_ptr->iftype = priv->bss_mode; + SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); + + dev->flags |= IFF_BROADCAST | IFF_MULTICAST; + dev->watchdog_timeo = NXPWIFI_DEFAULT_WATCHDOG_TIMEOUT; + dev->needed_headroom = NXPWIFI_MIN_DATA_HEADER_LEN; + dev->ethtool_ops = &nxpwifi_ethtool_ops; + + mdev_priv = netdev_priv(dev); + *((unsigned long *)mdev_priv) = (unsigned long)priv; + + if (type == NL80211_IFTYPE_MONITOR) + dev->type = ARPHRD_IEEE80211_RADIOTAP; + + SET_NETDEV_DEV(dev, adapter->dev); + + wiphy_work_init(&priv->reset_conn_state_work, nxpwifi_reset_conn_state_work); + + wiphy_delayed_work_init(&priv->dfs_cac_work, nxpwifi_dfs_cac_work); + + wiphy_delayed_work_init(&priv->dfs_chan_sw_work, nxpwifi_dfs_chan_sw_work); + + /* Register network device */ + if (cfg80211_register_netdevice(dev)) { + nxpwifi_dbg(adapter, ERROR, "cannot register network device\n"); + ret = -EFAULT; + goto err_reg_netdev; + } + + nxpwifi_dbg(adapter, INFO, + "info: %s: NXP 802.11 Adapter\n", dev->name); + +#ifdef CONFIG_DEBUG_FS + nxpwifi_dev_debugfs_init(priv); +#endif + + update_vif_type_counter(adapter, type, 1); + + return &priv->wdev; + +err_reg_netdev: + free_netdev(dev); + priv->netdev = NULL; +err_sta_init: +err_set_bss_mode: +err_alloc_netdev: + memset(&priv->wdev, 0, sizeof(priv->wdev)); + priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + return ERR_PTR(ret); +} +EXPORT_SYMBOL_GPL(nxpwifi_add_virtual_intf); + +/* del_virtual_intf: remove the virtual interface determined by dev */ +int nxpwifi_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_adapter *adapter = priv->adapter; + struct sk_buff *skb, *tmp; + +#ifdef CONFIG_DEBUG_FS + nxpwifi_dev_debugfs_remove(priv); +#endif + if (priv->bss_mode == NL80211_IFTYPE_MONITOR) { + struct nxpwifi_802_11_net_monitor netmon_cfg; + + memset(&netmon_cfg, 0, sizeof(struct nxpwifi_802_11_net_monitor)); + nxpwifi_config_monitor_mode(priv, &netmon_cfg); + } + + if (priv->sched_scanning) + priv->sched_scanning = false; + + nxpwifi_stop_net_dev_queue(priv->netdev, adapter); + + skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { + skb_unlink(skb, &priv->bypass_txq); + nxpwifi_write_data_complete(priv->adapter, skb, 0, -1); + } + + netif_carrier_off(priv->netdev); + + if (wdev->netdev->reg_state == NETREG_REGISTERED) + cfg80211_unregister_netdevice(wdev->netdev); + + /* Clear the priv in adapter */ + priv->netdev = NULL; + + update_vif_type_counter(adapter, priv->bss_mode, -1); + + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA || + GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) + kfree(priv->hist_data); + + return 0; +} +EXPORT_SYMBOL_GPL(nxpwifi_del_virtual_intf); + +static bool +nxpwifi_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, + u8 max_byte_seq) +{ + int j, k, valid_byte_cnt = 0; + bool dont_care_byte = false; + + for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { + for (k = 0; k < 8; k++) { + if (pat->mask[j] & 1 << k) { + memcpy(byte_seq + valid_byte_cnt, + &pat->pattern[j * 8 + k], 1); + valid_byte_cnt++; + if (dont_care_byte) + return false; + } else { + if (valid_byte_cnt) + dont_care_byte = true; + } + + /* wildcard bytes record as the offset before the valid byte */ + if (!valid_byte_cnt && !dont_care_byte) + pat->pkt_offset++; + + if (valid_byte_cnt > max_byte_seq) + return false; + } + } + + byte_seq[max_byte_seq] = valid_byte_cnt; + + return true; +} + +#ifdef CONFIG_PM +static void nxpwifi_set_auto_arp_mef_entry(struct nxpwifi_private *priv, + struct nxpwifi_mef_entry *mef_entry) +{ + int i, filt_num = 0, num_ipv4 = 0; + struct in_device *in_dev; + struct in_ifaddr *ifa; + __be32 ips[NXPWIFI_MAX_SUPPORTED_IPADDR]; + struct nxpwifi_adapter *adapter = priv->adapter; + + mef_entry->mode = MEF_MODE_HOST_SLEEP; + mef_entry->action = MEF_ACTION_AUTO_ARP; + + /* Enable ARP offload feature */ + memset(ips, 0, sizeof(ips)); + for (i = 0; i < adapter->priv_num; i++) { + if (adapter->priv[i]->netdev) { + in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); + if (!in_dev) + continue; + ifa = rtnl_dereference(in_dev->ifa_list); + if (!ifa || !ifa->ifa_local) + continue; + ips[i] = ifa->ifa_local; + num_ipv4++; + } + } + + for (i = 0; i < num_ipv4; i++) { + if (!ips[i]) + continue; + mef_entry->filter[filt_num].repeat = 1; + memcpy(mef_entry->filter[filt_num].byte_seq, + (u8 *)&ips[i], sizeof(ips[i])); + mef_entry->filter[filt_num].byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] = + sizeof(ips[i]); + mef_entry->filter[filt_num].offset = 46; + mef_entry->filter[filt_num].filt_type = TYPE_EQ; + if (filt_num) { + mef_entry->filter[filt_num].filt_action = + TYPE_OR; + } + filt_num++; + } + + mef_entry->filter[filt_num].repeat = 1; + mef_entry->filter[filt_num].byte_seq[0] = 0x08; + mef_entry->filter[filt_num].byte_seq[1] = 0x06; + mef_entry->filter[filt_num].byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] = 2; + mef_entry->filter[filt_num].offset = 20; + mef_entry->filter[filt_num].filt_type = TYPE_EQ; + mef_entry->filter[filt_num].filt_action = TYPE_AND; +} + +static int nxpwifi_set_wowlan_mef_entry(struct nxpwifi_private *priv, + struct nxpwifi_ds_mef_cfg *mef_cfg, + struct nxpwifi_mef_entry *mef_entry, + struct cfg80211_wowlan *wowlan) +{ + int i, filt_num = 0, ret = 0; + bool first_pat = true; + u8 byte_seq[NXPWIFI_MEF_MAX_BYTESEQ + 1]; + + mef_entry->mode = MEF_MODE_HOST_SLEEP; + mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; + + for (i = 0; i < wowlan->n_patterns; i++) { + memset(byte_seq, 0, sizeof(byte_seq)); + if (!nxpwifi_is_pattern_supported + (&wowlan->patterns[i], byte_seq, + NXPWIFI_MEF_MAX_BYTESEQ)) { + nxpwifi_dbg(priv->adapter, ERROR, + "Pattern not supported\n"); + return -EOPNOTSUPP; + } + + if (!wowlan->patterns[i].pkt_offset) { + if (is_unicast_ether_addr(byte_seq) && + byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] == 1) { + mef_cfg->criteria |= NXPWIFI_CRITERIA_UNICAST; + continue; + } else if (is_broadcast_ether_addr(byte_seq)) { + mef_cfg->criteria |= NXPWIFI_CRITERIA_BROADCAST; + continue; + } else if ((!memcmp(byte_seq, "\x33\x33", 2) && + (byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] == 2)) || + (!memcmp(byte_seq, "\x01\x00\x5e", 3) && + (byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] == 3))) { + mef_cfg->criteria |= NXPWIFI_CRITERIA_MULTICAST; + continue; + } + } + mef_entry->filter[filt_num].repeat = 1; + mef_entry->filter[filt_num].offset = + wowlan->patterns[i].pkt_offset; + memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, + sizeof(byte_seq)); + mef_entry->filter[filt_num].filt_type = TYPE_EQ; + + if (first_pat) { + first_pat = false; + nxpwifi_dbg(priv->adapter, INFO, "Wake on patterns\n"); + } else { + mef_entry->filter[filt_num].filt_action = TYPE_AND; + } + + filt_num++; + } + + if (wowlan->magic_pkt) { + mef_cfg->criteria |= NXPWIFI_CRITERIA_UNICAST; + mef_entry->filter[filt_num].repeat = 16; + memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, + ETH_ALEN); + mef_entry->filter[filt_num].byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] = + ETH_ALEN; + mef_entry->filter[filt_num].offset = 28; + mef_entry->filter[filt_num].filt_type = TYPE_EQ; + if (filt_num) + mef_entry->filter[filt_num].filt_action = TYPE_OR; + + filt_num++; + mef_entry->filter[filt_num].repeat = 16; + memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, + ETH_ALEN); + mef_entry->filter[filt_num].byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] = + ETH_ALEN; + mef_entry->filter[filt_num].offset = 56; + mef_entry->filter[filt_num].filt_type = TYPE_EQ; + mef_entry->filter[filt_num].filt_action = TYPE_OR; + nxpwifi_dbg(priv->adapter, INFO, "Wake on magic packet\n"); + } + return ret; +} + +static int nxpwifi_set_mef_filter(struct nxpwifi_private *priv, + struct cfg80211_wowlan *wowlan) +{ + int ret = 0, num_entries = 1; + struct nxpwifi_ds_mef_cfg mef_cfg; + struct nxpwifi_mef_entry *mef_entry; + + if (wowlan->n_patterns || wowlan->magic_pkt) + num_entries++; + + mef_entry = kzalloc_objs(*mef_entry, num_entries, GFP_KERNEL); + if (!mef_entry) + return -ENOMEM; + + memset(&mef_cfg, 0, sizeof(mef_cfg)); + mef_cfg.criteria |= NXPWIFI_CRITERIA_BROADCAST | + NXPWIFI_CRITERIA_UNICAST; + mef_cfg.num_entries = num_entries; + mef_cfg.mef_entry = mef_entry; + + nxpwifi_set_auto_arp_mef_entry(priv, &mef_entry[0]); + + if (wowlan->n_patterns || wowlan->magic_pkt) { + ret = nxpwifi_set_wowlan_mef_entry(priv, &mef_cfg, + &mef_entry[1], wowlan); + if (ret) + goto done; + } + + if (!mef_cfg.criteria) + mef_cfg.criteria = NXPWIFI_CRITERIA_BROADCAST | + NXPWIFI_CRITERIA_UNICAST | + NXPWIFI_CRITERIA_MULTICAST; + + ret = nxpwifi_mef_cfg(priv, &mef_cfg); + +done: + kfree(mef_entry); + return ret; +} + +static int nxpwifi_cfg80211_suspend(struct wiphy *wiphy, + struct cfg80211_wowlan *wowlan) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_ds_hs_cfg hs_cfg; + int i, ret = 0, retry_num = 10; + struct nxpwifi_private *priv; + struct nxpwifi_private *sta_priv = + nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); + + adapter->wowlan_enabled = false; + + sta_priv->scan_aborting = true; + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + nxpwifi_abort_cac(priv); + } + + nxpwifi_cancel_all_pending_cmd(adapter); + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (priv->netdev) + netif_device_detach(priv->netdev); + } + + for (i = 0; i < retry_num; i++) { + if (!nxpwifi_wmm_lists_empty(adapter) || + !nxpwifi_bypass_txlist_empty(adapter) || + !skb_queue_empty(&adapter->tx_data_q)) + usleep_range(10000, 15000); + else + break; + } + + if (!wowlan) { + nxpwifi_dbg(adapter, INFO, + "None of the WOWLAN triggers enabled\n"); + ret = 0; + goto done; + } + + if (!sta_priv->media_connected && !wowlan->nd_config) { + nxpwifi_dbg(adapter, ERROR, + "Can not configure WOWLAN in disconnected state\n"); + ret = 0; + goto done; + } + + ret = nxpwifi_set_mef_filter(sta_priv, wowlan); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "Failed to set MEF filter\n"); + goto done; + } + + memset(&hs_cfg, 0, sizeof(hs_cfg)); + hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); + + if (wowlan->nd_config) { + nxpwifi_dbg(adapter, INFO, "Wake on net detect\n"); + hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; + nxpwifi_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, + wowlan->nd_config); + } + + if (wowlan->disconnect) { + hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; + nxpwifi_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); + } + + hs_cfg.is_invoke_hostcmd = false; + hs_cfg.gpio = adapter->hs_cfg.gpio; + hs_cfg.gap = adapter->hs_cfg.gap; + ret = nxpwifi_set_hs_params(sta_priv, HOST_ACT_GEN_SET, + NXPWIFI_SYNC_CMD, &hs_cfg); + if (ret) + nxpwifi_dbg(adapter, ERROR, "Failed to set HS params\n"); + + adapter->wowlan_enabled = true; + +done: + sta_priv->scan_aborting = false; + return ret; +} + +static int nxpwifi_cfg80211_resume(struct wiphy *wiphy) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct nxpwifi_ds_wakeup_reason wakeup_reason; + struct cfg80211_wowlan_wakeup wakeup_report; + int i; + bool report_wakeup_reason = true; + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (priv->netdev) + netif_device_attach(priv->netdev); + } + + if (!wiphy->wowlan_config) + goto done; + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); + nxpwifi_get_wakeup_reason(priv, HOST_ACT_GEN_GET, NXPWIFI_SYNC_CMD, + &wakeup_reason); + memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); + + wakeup_report.pattern_idx = -1; + + switch (wakeup_reason.hs_wakeup_reason) { + case NO_HSWAKEUP_REASON: + break; + case BCAST_DATA_MATCHED: + break; + case MCAST_DATA_MATCHED: + break; + case UCAST_DATA_MATCHED: + break; + case MASKTABLE_EVENT_MATCHED: + break; + case NON_MASKABLE_EVENT_MATCHED: + if (wiphy->wowlan_config->disconnect) + wakeup_report.disconnect = true; + if (wiphy->wowlan_config->nd_config) + wakeup_report.net_detect = adapter->nd_info; + break; + case NON_MASKABLE_CONDITION_MATCHED: + break; + case MAGIC_PATTERN_MATCHED: + if (wiphy->wowlan_config->magic_pkt) + wakeup_report.magic_pkt = true; + if (wiphy->wowlan_config->n_patterns) + wakeup_report.pattern_idx = 1; + break; + case GTK_REKEY_FAILURE: + if (wiphy->wowlan_config->gtk_rekey_failure) + wakeup_report.gtk_rekey_failure = true; + break; + default: + report_wakeup_reason = false; + break; + } + + if (report_wakeup_reason) + cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, + GFP_KERNEL); + +done: + if (adapter->nd_info) { + for (i = 0 ; i < adapter->nd_info->n_matches ; i++) + kfree(adapter->nd_info->matches[i]); + kfree(adapter->nd_info); + adapter->nd_info = NULL; + } + + return 0; +} + +static void nxpwifi_cfg80211_set_wakeup(struct wiphy *wiphy, + bool enabled) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + + device_set_wakeup_enable(adapter->dev, enabled); +} +#endif + +static int nxpwifi_get_coalesce_pkt_type(u8 *byte_seq) +{ + if ((byte_seq[0] & 0x01) && + byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ] == 1) + return PACKET_TYPE_UNICAST; + else if (is_broadcast_ether_addr(byte_seq)) + return PACKET_TYPE_BROADCAST; + else if ((!memcmp(byte_seq, "\x33\x33", 2) && + byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ] == 2) || + (!memcmp(byte_seq, "\x01\x00\x5e", 3) && + byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ] == 3)) + return PACKET_TYPE_MULTICAST; + + return 0; +} + +static int +nxpwifi_fill_coalesce_rule_info(struct nxpwifi_private *priv, + struct cfg80211_coalesce_rules *crule, + struct nxpwifi_coalesce_rule *mrule) +{ + u8 byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ + 1]; + struct filt_field_param *param; + int i; + + mrule->max_coalescing_delay = crule->delay; + + param = mrule->params; + + for (i = 0; i < crule->n_patterns; i++) { + memset(byte_seq, 0, sizeof(byte_seq)); + if (!nxpwifi_is_pattern_supported(&crule->patterns[i], + byte_seq, + NXPWIFI_COALESCE_MAX_BYTESEQ)) { + nxpwifi_dbg(priv->adapter, ERROR, + "Pattern not supported\n"); + return -EOPNOTSUPP; + } + + if (!crule->patterns[i].pkt_offset) { + u8 pkt_type; + + pkt_type = nxpwifi_get_coalesce_pkt_type(byte_seq); + if (pkt_type && mrule->pkt_type) { + nxpwifi_dbg(priv->adapter, ERROR, + "Multiple packet types not allowed\n"); + return -EOPNOTSUPP; + } else if (pkt_type) { + mrule->pkt_type = pkt_type; + continue; + } + } + + if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) + param->operation = RECV_FILTER_MATCH_TYPE_EQ; + else + param->operation = RECV_FILTER_MATCH_TYPE_NE; + + param->operand_len = byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ]; + memcpy(param->operand_byte_stream, byte_seq, + param->operand_len); + param->offset = crule->patterns[i].pkt_offset; + param++; + + mrule->num_of_fields++; + } + + if (!mrule->pkt_type) { + nxpwifi_dbg(priv->adapter, ERROR, + "Packet type can not be determined\n"); + return -EOPNOTSUPP; + } + + return 0; +} + +static int nxpwifi_cfg80211_set_coalesce(struct wiphy *wiphy, + struct cfg80211_coalesce *coalesce) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + int i, ret; + struct nxpwifi_ds_coalesce_cfg coalesce_cfg; + struct nxpwifi_private *priv = + nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); + + memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); + + if (!coalesce) + return nxpwifi_coalesce_cfg(priv, &coalesce_cfg); + + coalesce_cfg.num_of_rules = coalesce->n_rules; + for (i = 0; i < coalesce->n_rules; i++) { + ret = nxpwifi_fill_coalesce_rule_info(priv, &coalesce->rules[i], + &coalesce_cfg.rule[i]); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "Recheck the patterns provided for rule %d\n", + i + 1); + return ret; + } + } + + return nxpwifi_coalesce_cfg(priv, &coalesce_cfg); +} + +static int +nxpwifi_cfg80211_uap_add_station(struct nxpwifi_private *priv, const u8 *mac, + struct station_parameters *params) +{ + struct nxpwifi_sta_info add_sta; + int ret; + + memcpy(add_sta.peer_mac, mac, ETH_ALEN); + add_sta.params = params; + + ret = nxpwifi_add_new_station(priv, &add_sta); + + return ret; +} + +static int +nxpwifi_cfg80211_add_station(struct wiphy *wiphy, struct wireless_dev *wdev, + const u8 *mac, struct station_parameters *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + int ret = -EOPNOTSUPP; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) + ret = nxpwifi_cfg80211_uap_add_station(priv, mac, params); + + return ret; +} + +static int +nxpwifi_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_csa_settings *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int chsw_msec; + int ret; + + if (priv->adapter->scan_processing) { + nxpwifi_dbg(priv->adapter, ERROR, + "radar detection: scan in process...\n"); + return -EBUSY; + } + + if (priv->wdev.links[0].cac_started) + return -EBUSY; + + if (cfg80211_chandef_identical(¶ms->chandef, + &priv->dfs_chandef)) + return -EINVAL; + + if (params->block_tx) { + netif_carrier_off(priv->netdev); + nxpwifi_stop_net_dev_queue(priv->netdev, priv->adapter); + priv->uap_stop_tx = true; + } + + ret = nxpwifi_del_mgmt_ies(priv); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to delete mgmt IEs!\n"); + + ret = nxpwifi_set_mgmt_ies(priv, ¶ms->beacon_csa); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "%s: setting mgmt ies failed\n", __func__); + goto done; + } + + memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); + memcpy(&priv->ap_update_info.beacon, ¶ms->beacon_after, + sizeof(priv->ap_update_info.beacon)); + + chsw_msec = max(params->count * priv->bss_cfg.beacon_period, 100); + + nxpwifi_queue_delayed_wiphy_work(priv->adapter, + &priv->dfs_chan_sw_work, + msecs_to_jiffies(chsw_msec)); + +done: + return ret; +} + +static int nxpwifi_cfg80211_get_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + unsigned int link_id, + struct cfg80211_chan_def *chandef) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_bssdescriptor *curr_bss; + struct ieee80211_channel *chan; + enum nl80211_channel_type chan_type; + enum nl80211_band band; + int freq; + int ret = -ENODATA; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP && + cfg80211_chandef_valid(&priv->bss_chandef)) { + *chandef = priv->bss_chandef; + ret = 0; + } else if (priv->media_connected) { + curr_bss = &priv->curr_bss_params.bss_descriptor; + band = nxpwifi_band_to_radio_type(priv->curr_bss_params.band); + freq = ieee80211_channel_to_frequency(curr_bss->channel, band); + chan = ieee80211_get_channel(wiphy, freq); + + if (priv->ht_param_present) { + chan_type = nxpwifi_get_chan_type(priv); + cfg80211_chandef_create(chandef, chan, chan_type); + } else { + cfg80211_chandef_create(chandef, chan, + NL80211_CHAN_NO_HT); + } + ret = 0; + } + + return ret; +} + +#ifdef CONFIG_NL80211_TESTMODE + +enum nxpwifi_tm_attr { + __NXPWIFI_TM_ATTR_INVALID = 0, + NXPWIFI_TM_ATTR_CMD = 1, + NXPWIFI_TM_ATTR_DATA = 2, + + /* keep last */ + __NXPWIFI_TM_ATTR_AFTER_LAST, + NXPWIFI_TM_ATTR_MAX = __NXPWIFI_TM_ATTR_AFTER_LAST - 1, +}; + +static const struct nla_policy nxpwifi_tm_policy[NXPWIFI_TM_ATTR_MAX + 1] = { + [NXPWIFI_TM_ATTR_CMD] = { .type = NLA_U32 }, + [NXPWIFI_TM_ATTR_DATA] = { .type = NLA_BINARY, + .len = NXPWIFI_SIZE_OF_CMD_BUFFER }, +}; + +enum nxpwifi_tm_command { + NXPWIFI_TM_CMD_HOSTCMD = 0, +}; + +static int nxpwifi_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, + void *data, int len) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_ds_misc_cmd *hostcmd; + struct nlattr *tb[NXPWIFI_TM_ATTR_MAX + 1]; + struct sk_buff *skb; + int err; + + if (!priv) + return -EINVAL; + + err = nla_parse_deprecated(tb, NXPWIFI_TM_ATTR_MAX, data, len, + nxpwifi_tm_policy, NULL); + if (err) + return err; + + if (!tb[NXPWIFI_TM_ATTR_CMD]) + return -EINVAL; + + switch (nla_get_u32(tb[NXPWIFI_TM_ATTR_CMD])) { + case NXPWIFI_TM_CMD_HOSTCMD: + if (!tb[NXPWIFI_TM_ATTR_DATA]) + return -EINVAL; + + hostcmd = kzalloc_obj(*hostcmd, GFP_KERNEL); + if (!hostcmd) + return -ENOMEM; + + hostcmd->len = nla_len(tb[NXPWIFI_TM_ATTR_DATA]); + memcpy(hostcmd->cmd, nla_data(tb[NXPWIFI_TM_ATTR_DATA]), + hostcmd->len); + + if (nxpwifi_hostcmd(priv, hostcmd)) { + nxpwifi_dbg(priv->adapter, ERROR, "Failed to process hostcmd\n"); + kfree(hostcmd); + return -EFAULT; + } + + /* process hostcmd response*/ + skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); + if (!skb) { + kfree(hostcmd); + return -ENOMEM; + } + err = nla_put(skb, NXPWIFI_TM_ATTR_DATA, + hostcmd->len, hostcmd->cmd); + if (err) { + kfree(hostcmd); + kfree_skb(skb); + return -EMSGSIZE; + } + + err = cfg80211_testmode_reply(skb); + kfree(hostcmd); + return err; + default: + return -EOPNOTSUPP; + } +} +#endif + +static int +nxpwifi_cfg80211_start_radar_detection(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_chan_def *chandef, + u32 cac_time_ms, int link_id) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_radar_params radar_params; + int ret; + + if (priv->adapter->scan_processing) { + nxpwifi_dbg(priv->adapter, ERROR, + "radar detection: scan already in process...\n"); + return -EBUSY; + } + + if (!nxpwifi_is_11h_active(priv)) { + nxpwifi_dbg(priv->adapter, INFO, + "Enable 11h extensions in FW\n"); + if (nxpwifi_11h_activate(priv, true)) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to activate 11h extensions!!"); + return -EPERM; + } + priv->state_11h.is_11h_active = true; + } + + memset(&radar_params, 0, sizeof(struct nxpwifi_radar_params)); + radar_params.chandef = chandef; + radar_params.cac_time_ms = cac_time_ms; + + memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); + + ret = nxpwifi_chan_report_request(priv, &radar_params); + if (!ret) + nxpwifi_queue_delayed_wiphy_work(priv->adapter, + &priv->dfs_cac_work, + msecs_to_jiffies(cac_time_ms)); + + return ret; +} + +static int +nxpwifi_cfg80211_change_station(struct wiphy *wiphy, struct wireless_dev *wdev, + const u8 *mac, + struct station_parameters *params) +{ + return 0; +} + +static int +nxpwifi_cfg80211_authenticate(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_auth_request *req) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_adapter *adapter = priv->adapter; + struct sk_buff *skb; + u16 pkt_len, auth_alg; + int ret; + struct ieee80211_mgmt *mgmt; + struct nxpwifi_txinfo *tx_info; + u8 trans = 1, status_code = 0; + u8 *varptr = NULL; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + nxpwifi_dbg(adapter, ERROR, "Interface role is AP\n"); + return -EINVAL; + } + + if (priv->wdev.iftype != NL80211_IFTYPE_STATION) { + nxpwifi_dbg(adapter, ERROR, + "Interface type is not correct (type %d)\n", + priv->wdev.iftype); + return -EINVAL; + } + + if (!nxpwifi_is_channel_setting_allowable(priv, req->bss->channel)) + return -EOPNOTSUPP; + + if (priv->auth_alg != WLAN_AUTH_SAE && + (priv->auth_flag & HOST_MLME_AUTH_PENDING)) { + nxpwifi_dbg(adapter, ERROR, "Pending auth on going\n"); + return -EBUSY; + } + + if (!priv->host_mlme_reg) { + priv->host_mlme_reg = true; + priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; + nxpwifi_mgmt_frame_reg(priv, priv->mgmt_frame_mask); + } + + switch (req->auth_type) { + case NL80211_AUTHTYPE_OPEN_SYSTEM: + auth_alg = WLAN_AUTH_OPEN; + break; + case NL80211_AUTHTYPE_SHARED_KEY: + auth_alg = WLAN_AUTH_SHARED_KEY; + break; + case NL80211_AUTHTYPE_FT: + auth_alg = WLAN_AUTH_FT; + break; + case NL80211_AUTHTYPE_NETWORK_EAP: + auth_alg = WLAN_AUTH_LEAP; + break; + case NL80211_AUTHTYPE_SAE: + auth_alg = WLAN_AUTH_SAE; + break; + default: + nxpwifi_dbg(adapter, ERROR, + "unsupported auth type=%d\n", req->auth_type); + return -EOPNOTSUPP; + } + + if (!(priv->auth_flag & HOST_MLME_AUTH_PENDING)) { + ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_SET, + req->bss->channel, + AUTH_TX_DEFAULT_WAIT_TIME); + + if (!ret) { + priv->roc_cfg.cookie = + nxpwifi_roc_cookie(adapter); + priv->roc_cfg.chan = *req->bss->channel; + } else { + return -EPERM; + } + } + + priv->sec_info.authentication_mode = auth_alg; + + nxpwifi_cancel_scan(adapter); + + pkt_len = (u16)req->ie_len + req->auth_data_len + + NXPWIFI_MGMT_HEADER_LEN + NXPWIFI_AUTH_BODY_LEN; + + if (req->auth_data_len >= 4) + pkt_len -= 4; + + mgmt = kzalloc(pkt_len, GFP_KERNEL); + + skb = dev_alloc_skb(NXPWIFI_MIN_DATA_HEADER_LEN + + NXPWIFI_MGMT_FRAME_HEADER_SIZE + + pkt_len + sizeof(pkt_len)); + if (!skb) { + nxpwifi_dbg(adapter, ERROR, + "allocate skb failed for management frame\n"); + return -ENOMEM; + } + + tx_info = NXPWIFI_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); + tx_info->bss_num = priv->bss_num; + tx_info->bss_type = priv->bss_type; + tx_info->pkt_len = pkt_len; + + memcpy(mgmt->da, req->bss->bssid, ETH_ALEN); + memcpy(mgmt->sa, priv->curr_addr, ETH_ALEN); + memcpy(mgmt->bssid, req->bss->bssid, ETH_ALEN); + mgmt->frame_control = + cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); + + if (req->auth_data_len >= 4) { + if (req->auth_type == NL80211_AUTHTYPE_SAE) { + __le16 *pos = (__le16 *)req->auth_data; + + trans = le16_to_cpu(pos[0]); + status_code = le16_to_cpu(pos[1]); + } + memcpy((u8 *)(&mgmt->u.auth.variable), req->auth_data + 4, + req->auth_data_len - 4); + varptr = (u8 *)&mgmt->u.auth.variable + + (req->auth_data_len - 4); + } + + mgmt->u.auth.auth_alg = cpu_to_le16(auth_alg); + mgmt->u.auth.auth_transaction = cpu_to_le16(trans); + mgmt->u.auth.status_code = cpu_to_le16(status_code); + + if (req->ie && req->ie_len) { + if (!varptr) + varptr = (u8 *)&mgmt->u.auth.variable; + memcpy((u8 *)varptr, req->ie, req->ie_len); + } + + nxpwifi_form_mgmt_frame(skb, (const u8 *)mgmt, pkt_len); + kfree(mgmt); + priv->auth_flag = HOST_MLME_AUTH_PENDING; + priv->auth_alg = auth_alg; + skb->priority = WMM_HIGHEST_PRIORITY; + __net_timestamp(skb); + + nxpwifi_dbg(adapter, MSG, + "auth: send authentication to %pM\n", req->bss->bssid); + + nxpwifi_queue_tx_pkt(priv, skb); + + return 0; +} + +static int +nxpwifi_cfg80211_associate(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_assoc_request *req) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + struct cfg80211_ssid req_ssid; + const u8 *ssid_ie; + + if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_STA) { + nxpwifi_dbg(adapter, ERROR, + "%s: reject infra assoc request in non-STA role\n", + dev->name); + return -EINVAL; + } + + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags) || + test_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags)) { + nxpwifi_dbg(adapter, ERROR, + "%s: Ignore association.\t" + "Card removed or FW in bad state\n", + dev->name); + return -EPERM; + } + + if (priv->auth_alg == WLAN_AUTH_SAE) + priv->auth_flag = HOST_MLME_AUTH_DONE; + + if (priv->auth_flag && !(priv->auth_flag & HOST_MLME_AUTH_DONE)) + return -EBUSY; + + if (priv->roc_cfg.cookie) { + ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_REMOVE, + &priv->roc_cfg.chan, 0); + if (!ret) + memset(&priv->roc_cfg, 0, + sizeof(struct nxpwifi_roc_cfg)); + else + return ret; + } + + if (!nxpwifi_stop_bg_scan(priv)) + cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); + + memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); + rcu_read_lock(); + ssid_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID); + + if (!ssid_ie) + goto ssid_err; + + req_ssid.ssid_len = ssid_ie[1]; + if (req_ssid.ssid_len > IEEE80211_MAX_SSID_LEN) { + nxpwifi_dbg(adapter, ERROR, "invalid SSID - aborting\n"); + goto ssid_err; + } + + memcpy(req_ssid.ssid, ssid_ie + 2, req_ssid.ssid_len); + if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { + nxpwifi_dbg(adapter, ERROR, "invalid SSID - aborting\n"); + goto ssid_err; + } + rcu_read_unlock(); + + /* + * As this is new association, clear locally stored + * keys and security related flags + */ + priv->sec_info.wpa_enabled = false; + priv->sec_info.wpa2_enabled = false; + priv->wep_key_curr_index = 0; + priv->sec_info.encryption_mode = 0; + priv->sec_info.is_authtype_auto = 0; + ret = nxpwifi_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); + + if (req->crypto.n_ciphers_pairwise) + priv->sec_info.encryption_mode = + req->crypto.ciphers_pairwise[0]; + + if (req->crypto.cipher_group) + priv->sec_info.encryption_mode = req->crypto.cipher_group; + + if (req->ie) + ret = nxpwifi_set_gen_ie(priv, req->ie, req->ie_len); + + memcpy(priv->cfg_bssid, req->bss->bssid, ETH_ALEN); + + nxpwifi_dbg(adapter, MSG, + "assoc: send association to %pM\n", req->bss->bssid); + + cfg80211_ref_bss(adapter->wiphy, req->bss); + + ret = nxpwifi_bss_start(priv, req->bss, &req_ssid); + + if (ret) { + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + eth_zero_addr(priv->cfg_bssid); + } + + if (ret >= 0) { + if (priv->assoc_rsp_size) { + priv->req_bss = req->bss; + adapter->assoc_resp_received = true; + nxpwifi_queue_wiphy_work(adapter, + &adapter->host_mlme_work); + } + ret = 0; + } + + cfg80211_put_bss(priv->adapter->wiphy, req->bss); + + return ret; + +ssid_err: + + rcu_read_unlock(); + return -EINVAL; +} + +static int +nxpwifi_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, + u16 reason_code) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int ret; + + if (!nxpwifi_stop_bg_scan(priv)) + cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); + + ret = nxpwifi_deauthenticate(priv, NULL); + if (!ret) { + eth_zero_addr(priv->cfg_bssid); + priv->hs2_enabled = false; + } + + return ret; +} + +static int +nxpwifi_cfg80211_deauthenticate(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_deauth_request *req) +{ + return nxpwifi_cfg80211_disconnect(wiphy, dev, req->reason_code); +} + +static int +nxpwifi_cfg80211_disassociate(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_disassoc_request *req) +{ + return nxpwifi_cfg80211_disconnect(wiphy, dev, req->reason_code); +} + +static int +nxpwifi_cfg80211_probe_peer(struct wiphy *wiphy, + struct net_device *dev, const u8 *peer, + u64 *cookie) +{ + /* + * hostapd looks for NL80211_CMD_PROBE_CLIENT support; otherwise, + * it requires monitor-mode support (which mwifiex doesn't support). + * Provide fake probe_peer support to work around this. + */ + return -EOPNOTSUPP; +} + +/* station cfg80211 operations */ +static const struct cfg80211_ops nxpwifi_cfg80211_ops = { + .add_virtual_intf = nxpwifi_add_virtual_intf, + .del_virtual_intf = nxpwifi_del_virtual_intf, + .change_virtual_intf = nxpwifi_cfg80211_change_virtual_intf, + .scan = nxpwifi_cfg80211_scan, + .auth = nxpwifi_cfg80211_authenticate, + .assoc = nxpwifi_cfg80211_associate, + .deauth = nxpwifi_cfg80211_deauthenticate, + .disassoc = nxpwifi_cfg80211_disassociate, + .probe_peer = nxpwifi_cfg80211_probe_peer, + .get_station = nxpwifi_cfg80211_get_station, + .dump_station = nxpwifi_cfg80211_dump_station, + .dump_survey = nxpwifi_cfg80211_dump_survey, + .set_wiphy_params = nxpwifi_cfg80211_set_wiphy_params, + .add_key = nxpwifi_cfg80211_add_key, + .del_key = nxpwifi_cfg80211_del_key, + .set_default_mgmt_key = nxpwifi_cfg80211_set_default_mgmt_key, + .mgmt_tx = nxpwifi_cfg80211_mgmt_tx, + .update_mgmt_frame_registrations = + nxpwifi_cfg80211_update_mgmt_frame_registrations, + .remain_on_channel = nxpwifi_cfg80211_remain_on_channel, + .cancel_remain_on_channel = nxpwifi_cfg80211_cancel_remain_on_channel, + .set_default_key = nxpwifi_cfg80211_set_default_key, + .set_power_mgmt = nxpwifi_cfg80211_set_power_mgmt, + .set_tx_power = nxpwifi_cfg80211_set_tx_power, + .get_tx_power = nxpwifi_cfg80211_get_tx_power, + .set_bitrate_mask = nxpwifi_cfg80211_set_bitrate_mask, + .start_ap = nxpwifi_cfg80211_start_ap, + .stop_ap = nxpwifi_cfg80211_stop_ap, + .change_beacon = nxpwifi_cfg80211_change_beacon, + .set_cqm_rssi_config = nxpwifi_cfg80211_set_cqm_rssi_config, + .set_antenna = nxpwifi_cfg80211_set_antenna, + .get_antenna = nxpwifi_cfg80211_get_antenna, + .del_station = nxpwifi_cfg80211_del_station, + .sched_scan_start = nxpwifi_cfg80211_sched_scan_start, + .sched_scan_stop = nxpwifi_cfg80211_sched_scan_stop, + .change_station = nxpwifi_cfg80211_change_station, +#ifdef CONFIG_PM + .suspend = nxpwifi_cfg80211_suspend, + .resume = nxpwifi_cfg80211_resume, + .set_wakeup = nxpwifi_cfg80211_set_wakeup, +#endif + .set_coalesce = nxpwifi_cfg80211_set_coalesce, + .add_station = nxpwifi_cfg80211_add_station, + CFG80211_TESTMODE_CMD(nxpwifi_tm_cmd) + .get_channel = nxpwifi_cfg80211_get_channel, + .start_radar_detection = nxpwifi_cfg80211_start_radar_detection, + .channel_switch = nxpwifi_cfg80211_channel_switch, +}; + +#ifdef CONFIG_PM +static const struct wiphy_wowlan_support nxpwifi_wowlan_support = { + .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_GTK_REKEY_FAILURE, + .n_patterns = NXPWIFI_MEF_MAX_FILTERS, + .pattern_min_len = 1, + .pattern_max_len = NXPWIFI_MAX_PATTERN_LEN, + .max_pkt_offset = NXPWIFI_MAX_OFFSET_LEN, + .max_nd_match_sets = NXPWIFI_MAX_ND_MATCH_SETS, +}; + +static const struct wiphy_wowlan_support nxpwifi_wowlan_support_no_gtk = { + .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_NET_DETECT, + .n_patterns = NXPWIFI_MEF_MAX_FILTERS, + .pattern_min_len = 1, + .pattern_max_len = NXPWIFI_MAX_PATTERN_LEN, + .max_pkt_offset = NXPWIFI_MAX_OFFSET_LEN, + .max_nd_match_sets = NXPWIFI_MAX_ND_MATCH_SETS, +}; +#endif + +static const struct wiphy_coalesce_support nxpwifi_coalesce_support = { + .n_rules = NXPWIFI_COALESCE_MAX_RULES, + .max_delay = NXPWIFI_MAX_COALESCING_DELAY, + .n_patterns = NXPWIFI_COALESCE_MAX_FILTERS, + .pattern_min_len = 1, + .pattern_max_len = NXPWIFI_MAX_PATTERN_LEN, + .max_pkt_offset = NXPWIFI_MAX_OFFSET_LEN, +}; + +int nxpwifi_init_channel_scan_gap(struct nxpwifi_adapter *adapter) +{ + u32 n_channels_bg, n_channels_a = 0; + + n_channels_bg = nxpwifi_band_2ghz.n_channels; + + if (adapter->fw_bands & BAND_A) + n_channels_a = nxpwifi_band_5ghz.n_channels; + + /* + * allocate twice the number total channels, since the driver issues an + * additional active scan request for hidden SSIDs on passive channels. + */ + adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); + adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats), + adapter->num_in_chan_stats)); + + if (!adapter->chan_stats) + return -ENOMEM; + + return 0; +} + +/* + * Register the device with cfg80211. + * + * Create and initialize the wiphy, fill in defaults and handlers, + * then register it with the cfg80211 subsystem. + */ +int nxpwifi_register_cfg80211(struct nxpwifi_adapter *adapter) +{ + int ret; + void *wdev_priv; + struct wiphy *wiphy; + struct nxpwifi_private *priv = adapter->priv[NXPWIFI_BSS_TYPE_STA]; + struct ieee80211_sta_ht_cap *ht_cap; + struct ieee80211_sta_vht_cap *vht_cap; + u8 *country_code; + u32 thr, retry; + + /* create a new wiphy for use with cfg80211 */ + wiphy = wiphy_new(&nxpwifi_cfg80211_ops, + sizeof(struct nxpwifi_adapter *)); + if (!wiphy) { + nxpwifi_dbg(adapter, ERROR, + "%s: creating new wiphy\n", __func__); + return -ENOMEM; + } + + wiphy->max_scan_ssids = NXPWIFI_MAX_SSID_LIST_LENGTH; + wiphy->max_scan_ie_len = NXPWIFI_MAX_VSIE_LEN; + + wiphy->mgmt_stypes = nxpwifi_mgmt_stypes; + wiphy->max_remain_on_channel_duration = 5000; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_MONITOR); + + wiphy->max_num_akm_suites = CFG80211_MAX_NUM_AKM_SUITES; + + wiphy->bands[NL80211_BAND_2GHZ] = + devm_kmemdup(adapter->dev, &nxpwifi_band_2ghz, + sizeof(nxpwifi_band_2ghz), GFP_KERNEL); + if (!wiphy->bands[NL80211_BAND_2GHZ]) { + ret = -ENOMEM; + goto err; + } + + if (adapter->fw_bands & BAND_A) { + wiphy->bands[NL80211_BAND_5GHZ] = + devm_kmemdup(adapter->dev, &nxpwifi_band_5ghz, + sizeof(nxpwifi_band_5ghz), GFP_KERNEL); + if (!wiphy->bands[NL80211_BAND_5GHZ]) { + ret = -ENOMEM; + goto err; + } + } else { + wiphy->bands[NL80211_BAND_5GHZ] = NULL; + } + + ht_cap = &wiphy->bands[NL80211_BAND_2GHZ]->ht_cap; + nxpwifi_setup_ht_caps(priv, ht_cap); + + if (adapter->is_hw_11ac_capable) { + vht_cap = &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap; + nxpwifi_setup_vht_caps(priv, vht_cap); + } + + if (adapter->is_hw_11ax_capable) + nxpwifi_setup_he_caps(priv, wiphy->bands[NL80211_BAND_2GHZ]); + + if (adapter->fw_bands & BAND_A) { + ht_cap = &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap; + nxpwifi_setup_ht_caps(priv, ht_cap); + + if (adapter->is_hw_11ac_capable) { + vht_cap = &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap; + nxpwifi_setup_vht_caps(priv, vht_cap); + } + + if (adapter->is_hw_11ax_capable) + nxpwifi_setup_he_caps(priv, wiphy->bands[NL80211_BAND_5GHZ]); + } + + if (adapter->is_hw_11ac_capable) + wiphy->iface_combinations = &nxpwifi_iface_comb_ap_sta_vht; + else + wiphy->iface_combinations = &nxpwifi_iface_comb_ap_sta; + wiphy->n_iface_combinations = 1; + + wiphy->max_ap_assoc_sta = adapter->max_sta_conn; + + /* Initialize cipher suits */ + wiphy->cipher_suites = nxpwifi_cipher_suites; + wiphy->n_cipher_suites = ARRAY_SIZE(nxpwifi_cipher_suites); + + if (adapter->regd) { + wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | + REGULATORY_DISABLE_BEACON_HINTS | + REGULATORY_COUNTRY_IE_IGNORE; + wiphy_apply_custom_regulatory(wiphy, adapter->regd); + } + + ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | + WIPHY_FLAG_AP_UAPSD | + WIPHY_FLAG_REPORTS_OBSS | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | + WIPHY_FLAG_HAS_CHANNEL_SWITCH | + WIPHY_FLAG_NETNS_OK | + WIPHY_FLAG_PS_ON_BY_DEFAULT; + wiphy->max_num_csa_counters = NXPWIFI_MAX_CSA_COUNTERS; + +#ifdef CONFIG_PM + if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) + wiphy->wowlan = &nxpwifi_wowlan_support; + else + wiphy->wowlan = &nxpwifi_wowlan_support_no_gtk; +#endif + + wiphy->coalesce = &nxpwifi_coalesce_support; + + wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; + + wiphy->max_sched_scan_reqs = 1; + wiphy->max_sched_scan_ssids = NXPWIFI_MAX_SSID_LIST_LENGTH; + wiphy->max_sched_scan_ie_len = NXPWIFI_MAX_VSIE_LEN; + wiphy->max_match_sets = NXPWIFI_MAX_SSID_LIST_LENGTH; + + wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; + wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; + + wiphy->features |= NL80211_FEATURE_SAE | + NL80211_FEATURE_INACTIVITY_TIMER | + NL80211_FEATURE_LOW_PRIORITY_SCAN | + NL80211_FEATURE_NEED_OBSS_SCAN; + + if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) + wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | + NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | + NL80211_FEATURE_ND_RANDOM_MAC_ADDR; + + if (adapter->fw_api_ver == NXPWIFI_FW_V15) + wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; + + /* Reserve space for nxpwifi specific private data for BSS */ + wiphy->bss_priv_size = sizeof(struct nxpwifi_bss_priv); + + wiphy->reg_notifier = nxpwifi_reg_notifier; + + /* Set struct nxpwifi_adapter pointer in wiphy_priv */ + wdev_priv = wiphy_priv(wiphy); + *(unsigned long *)wdev_priv = (unsigned long)adapter; + + set_wiphy_dev(wiphy, priv->adapter->dev); + + ret = wiphy_register(wiphy); + if (ret < 0) { + nxpwifi_dbg(adapter, ERROR, + "%s: wiphy_register failed: %d\n", __func__, ret); + goto err; + } + + if (!adapter->regd) { + if (adapter->region_code == 0x00) { + nxpwifi_dbg(adapter, WARN, + "Ignore world regulatory domain\n"); + } else { + wiphy->regulatory_flags |= + REGULATORY_DISABLE_BEACON_HINTS | + REGULATORY_COUNTRY_IE_IGNORE; + country_code = + nxpwifi_11d_code_2_region(adapter->region_code); + if (country_code && + regulatory_hint(wiphy, country_code)) + nxpwifi_dbg(priv->adapter, ERROR, + "regulatory_hint() failed\n"); + } + } + + nxpwifi_get_802_11_snmp_mib(priv, FRAG_THRESH_I, &thr); + wiphy->frag_threshold = thr; + nxpwifi_get_802_11_snmp_mib(priv, RTS_THRESH_I, &thr); + wiphy->rts_threshold = thr; + nxpwifi_get_802_11_snmp_mib(priv, SHORT_RETRY_LIM_I, &retry); + wiphy->retry_short = (u8)retry; + nxpwifi_get_802_11_snmp_mib(priv, LONG_RETRY_LIM_I, &retry); + wiphy->retry_long = (u8)retry; + + adapter->wiphy = wiphy; + return ret; + +err: + wiphy_free(wiphy); + return ret; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/cfg80211.h b/drivers/net/wireless/nxp/nxpwifi/cfg80211.h new file mode 100644 index 000000000000..3a9a204df195 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/cfg80211.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * nxpwifi: cfg80211 support + * + * Copyright 2011-2024 NXP + */ + +#ifndef __NXPWIFI_CFG80211__ +#define __NXPWIFI_CFG80211__ + +#include "main.h" + +int nxpwifi_register_cfg80211(struct nxpwifi_adapter *adapter); + +int nxpwifi_cfg80211_change_beacon(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_ap_update *params); +#endif diff --git a/drivers/net/wireless/nxp/nxpwifi/cfp.c b/drivers/net/wireless/nxp/nxpwifi/cfp.c new file mode 100644 index 000000000000..aec1d5014810 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/cfp.c @@ -0,0 +1,478 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: Channel, Frequency and Power + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cfg80211.h" + +/* 100mW */ +#define NXPWIFI_TX_PWR_DEFAULT 20 +/* 100mW */ +#define NXPWIFI_TX_PWR_US_DEFAULT 20 +/* 50mW */ +#define NXPWIFI_TX_PWR_JP_DEFAULT 16 +/* 100mW */ +#define NXPWIFI_TX_PWR_FR_100MW 20 +/* 10mW */ +#define NXPWIFI_TX_PWR_FR_10MW 10 +/* 100mW */ +#define NXPWIFI_TX_PWR_EMEA_DEFAULT 20 + +static u8 supported_rates_a[A_SUPPORTED_RATES] = { 0x0c, 0x12, 0x18, 0x24, + 0xb0, 0x48, 0x60, 0x6c, 0 }; +static u16 nxpwifi_data_rates[NXPWIFI_SUPPORTED_RATES_EXT] = { 0x02, 0x04, + 0x0B, 0x16, 0x00, 0x0C, 0x12, 0x18, + 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90, + 0x0D, 0x1A, 0x27, 0x34, 0x4E, 0x68, + 0x75, 0x82, 0x0C, 0x1B, 0x36, 0x51, + 0x6C, 0xA2, 0xD8, 0xF3, 0x10E, 0x00 }; + +static u8 supported_rates_b[B_SUPPORTED_RATES] = { 0x02, 0x04, 0x0b, 0x16, 0 }; + +static u8 supported_rates_g[G_SUPPORTED_RATES] = { 0x0c, 0x12, 0x18, 0x24, + 0x30, 0x48, 0x60, 0x6c, 0 }; + +static u8 supported_rates_bg[BG_SUPPORTED_RATES] = { 0x02, 0x04, 0x0b, 0x0c, + 0x12, 0x16, 0x18, 0x24, 0x30, 0x48, + 0x60, 0x6c, 0 }; + +/* mcs_rate: first 8 entries for 1x1; all 16 for 2x2. */ +static const u16 mcs_rate[4][16] = { + /* LGI 40M */ + { 0x1b, 0x36, 0x51, 0x6c, 0xa2, 0xd8, 0xf3, 0x10e, + 0x36, 0x6c, 0xa2, 0xd8, 0x144, 0x1b0, 0x1e6, 0x21c }, + + /* SGI 40M */ + { 0x1e, 0x3c, 0x5a, 0x78, 0xb4, 0xf0, 0x10e, 0x12c, + 0x3c, 0x78, 0xb4, 0xf0, 0x168, 0x1e0, 0x21c, 0x258 }, + + /* LGI 20M */ + { 0x0d, 0x1a, 0x27, 0x34, 0x4e, 0x68, 0x75, 0x82, + 0x1a, 0x34, 0x4e, 0x68, 0x9c, 0xd0, 0xea, 0x104 }, + + /* SGI 20M */ + { 0x0e, 0x1c, 0x2b, 0x39, 0x56, 0x73, 0x82, 0x90, + 0x1c, 0x39, 0x56, 0x73, 0xad, 0xe7, 0x104, 0x120 } +}; + +/* AC rates */ +static const u16 ac_mcs_rate_nss1[8][10] = { + /* LG 160M */ + { 0x75, 0xEA, 0x15F, 0x1D4, 0x2BE, 0x3A8, 0x41D, + 0x492, 0x57C, 0x618 }, + + /* SG 160M */ + { 0x82, 0x104, 0x186, 0x208, 0x30C, 0x410, 0x492, + 0x514, 0x618, 0x6C6 }, + + /* LG 80M */ + { 0x3B, 0x75, 0xB0, 0xEA, 0x15F, 0x1D4, 0x20F, + 0x249, 0x2BE, 0x30C }, + + /* SG 80M */ + { 0x41, 0x82, 0xC3, 0x104, 0x186, 0x208, 0x249, + 0x28A, 0x30C, 0x363 }, + + /* LG 40M */ + { 0x1B, 0x36, 0x51, 0x6C, 0xA2, 0xD8, 0xF3, + 0x10E, 0x144, 0x168 }, + + /* SG 40M */ + { 0x1E, 0x3C, 0x5A, 0x78, 0xB4, 0xF0, 0x10E, + 0x12C, 0x168, 0x190 }, + + /* LG 20M */ + { 0xD, 0x1A, 0x27, 0x34, 0x4E, 0x68, 0x75, 0x82, 0x9C, 0x00 }, + + /* SG 20M */ + { 0xF, 0x1D, 0x2C, 0x3A, 0x57, 0x74, 0x82, 0x91, 0xAE, 0x00 }, +}; + +/* NSS2 note: the value in the table is 2 multiplier of the actual rate */ +static const u16 ac_mcs_rate_nss2[8][10] = { + /* LG 160M */ + { 0xEA, 0x1D4, 0x2BE, 0x3A8, 0x57C, 0x750, 0x83A, + 0x924, 0xAF8, 0xC30 }, + + /* SG 160M */ + { 0x104, 0x208, 0x30C, 0x410, 0x618, 0x820, 0x924, + 0xA28, 0xC30, 0xD8B }, + + /* LG 80M */ + { 0x75, 0xEA, 0x15F, 0x1D4, 0x2BE, 0x3A8, 0x41D, + 0x492, 0x57C, 0x618 }, + + /* SG 80M */ + { 0x82, 0x104, 0x186, 0x208, 0x30C, 0x410, 0x492, + 0x514, 0x618, 0x6C6 }, + + /* LG 40M */ + { 0x36, 0x6C, 0xA2, 0xD8, 0x144, 0x1B0, 0x1E6, + 0x21C, 0x288, 0x2D0 }, + + /* SG 40M */ + { 0x3C, 0x78, 0xB4, 0xF0, 0x168, 0x1E0, 0x21C, + 0x258, 0x2D0, 0x320 }, + + /* LG 20M */ + { 0x1A, 0x34, 0x4A, 0x68, 0x9C, 0xD0, 0xEA, 0x104, + 0x138, 0x00 }, + + /* SG 20M */ + { 0x1D, 0x3A, 0x57, 0x74, 0xAE, 0xE6, 0x104, 0x121, + 0x15B, 0x00 }, +}; + +struct region_code_mapping { + u8 code; + u8 region[IEEE80211_COUNTRY_STRING_LEN]; +}; + +static struct region_code_mapping region_code_mapping_t[] = { + { 0x10, "US " }, /* US FCC */ + { 0x20, "CA " }, /* IC Canada */ + { 0x30, "FR " }, /* France */ + { 0x31, "ES " }, /* Spain */ + { 0x32, "FR " }, /* France */ + { 0x40, "JP " }, /* Japan */ + { 0x41, "JP " }, /* Japan */ + { 0x50, "CN " }, /* China */ +}; + +/* Convert 11d country code to region string. */ +u8 *nxpwifi_11d_code_2_region(u8 code) +{ + u8 i; + + /* Look for code in mapping table */ + for (i = 0; i < ARRAY_SIZE(region_code_mapping_t); i++) + if (region_code_mapping_t[i].code == code) + return region_code_mapping_t[i].region; + + return NULL; +} + +/* Map supported rate index to AC/VHT data rate. */ +u32 nxpwifi_index_to_acs_data_rate(struct nxpwifi_private *priv, + u8 index, u8 ht_info) +{ + u32 rate = 0; + u8 mcs_index = 0; + u8 bw = 0; + u8 gi = 0; + + if ((ht_info & 0x3) == NXPWIFI_RATE_FORMAT_VHT) { + mcs_index = min(index & 0xF, 9); + + /* 20M: bw=0, 40M: bw=1, 80M: bw=2, 160M: bw=3 */ + bw = (ht_info & 0xC) >> 2; + + /* LGI: gi =0, SGI: gi = 1 */ + gi = (ht_info & 0x10) >> 4; + + if ((index >> 4) == 1) /* NSS = 2 */ + rate = ac_mcs_rate_nss2[2 * (3 - bw) + gi][mcs_index]; + else /* NSS = 1 */ + rate = ac_mcs_rate_nss1[2 * (3 - bw) + gi][mcs_index]; + } else if ((ht_info & 0x3) == NXPWIFI_RATE_FORMAT_HT) { + /* 20M: bw=0, 40M: bw=1 */ + bw = (ht_info & 0xC) >> 2; + + /* LGI: gi =0, SGI: gi = 1 */ + gi = (ht_info & 0x10) >> 4; + + if (index == NXPWIFI_RATE_BITMAP_MCS0) { + if (gi == 1) + rate = 0x0D; /* MCS 32 SGI rate */ + else + rate = 0x0C; /* MCS 32 LGI rate */ + } else if (index < 16) { + if (bw == 1 || bw == 0) + rate = mcs_rate[2 * (1 - bw) + gi][index]; + else + rate = nxpwifi_data_rates[0]; + } else { + rate = nxpwifi_data_rates[0]; + } + } else { + /* 11n non-HT rates */ + if (index >= NXPWIFI_SUPPORTED_RATES_EXT) + index = 0; + rate = nxpwifi_data_rates[index]; + } + + return rate; +} + +/* Map supported rate index to data rate. */ +u32 nxpwifi_index_to_data_rate(struct nxpwifi_private *priv, + u8 index, u8 ht_info) +{ + u32 mcs_num_supp = + (priv->adapter->user_dev_mcs_support == HT_STREAM_2X2) ? 16 : 8; + u32 rate; + + if (priv->adapter->is_hw_11ac_capable) + return nxpwifi_index_to_acs_data_rate(priv, index, ht_info); + + if (ht_info & BIT(0)) { + if (index == NXPWIFI_RATE_BITMAP_MCS0) { + if (ht_info & BIT(2)) + rate = 0x0D; /* MCS 32 SGI rate */ + else + rate = 0x0C; /* MCS 32 LGI rate */ + } else if (index < mcs_num_supp) { + if (ht_info & BIT(1)) { + if (ht_info & BIT(2)) + /* SGI, 40M */ + rate = mcs_rate[1][index]; + else + /* LGI, 40M */ + rate = mcs_rate[0][index]; + } else { + if (ht_info & BIT(2)) + /* SGI, 20M */ + rate = mcs_rate[3][index]; + else + /* LGI, 20M */ + rate = mcs_rate[2][index]; + } + } else { + rate = nxpwifi_data_rates[0]; + } + } else { + if (index >= NXPWIFI_SUPPORTED_RATES_EXT) + index = 0; + rate = nxpwifi_data_rates[index]; + } + return rate; +} + +/* Return current active data rates (depends on connection). */ +u32 nxpwifi_get_active_data_rates(struct nxpwifi_private *priv, u8 *rates) +{ + if (!priv->media_connected) + return nxpwifi_get_supported_rates(priv, rates); + else + return nxpwifi_copy_rates(rates, 0, + priv->curr_bss_params.data_rates, + priv->curr_bss_params.num_of_rates); +} + +/* Find Channel/Frequency/Power by band and channel or frequency. */ +struct nxpwifi_chan_freq_power * +nxpwifi_get_cfp(struct nxpwifi_private *priv, u8 band, u16 channel, u32 freq) +{ + struct nxpwifi_chan_freq_power *cfp = NULL; + struct ieee80211_supported_band *sband; + struct ieee80211_channel *ch = NULL; + int i; + + if (!channel && !freq) + return cfp; + + if (nxpwifi_band_to_radio_type(band) == HOST_SCAN_RADIO_TYPE_BG) + sband = priv->wdev.wiphy->bands[NL80211_BAND_2GHZ]; + else + sband = priv->wdev.wiphy->bands[NL80211_BAND_5GHZ]; + + if (!sband) { + nxpwifi_dbg(priv->adapter, ERROR, + "%s: cannot find cfp by band %d\n", + __func__, band); + return cfp; + } + + for (i = 0; i < sband->n_channels; i++) { + ch = &sband->channels[i]; + + if (ch->flags & IEEE80211_CHAN_DISABLED) + continue; + + if (freq) { + if (ch->center_freq == freq) + break; + } else { + /* Find by valid channel. */ + if (ch->hw_value == channel || + channel == FIRST_VALID_CHANNEL) + break; + } + } + if (i == sband->n_channels) { + nxpwifi_dbg(priv->adapter, WARN, + "%s: cannot find cfp by band %d\t" + "& channel=%d freq=%d\n", + __func__, band, channel, freq); + } else { + if (!ch) + return cfp; + + priv->cfp.channel = ch->hw_value; + priv->cfp.freq = ch->center_freq; + priv->cfp.max_tx_power = ch->max_power; + cfp = &priv->cfp; + } + + return cfp; +} + +/* Return true if data rate is set to auto. */ +u8 +nxpwifi_is_rate_auto(struct nxpwifi_private *priv) +{ + u32 i; + int rate_num = 0; + + for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates); i++) + if (priv->bitmap_rates[i]) + rate_num++; + + if (rate_num > 1) + return true; + else + return false; +} + +/* Extract supported rates from cfg80211_scan_request bitmask. */ +u32 nxpwifi_get_rates_from_cfg80211(struct nxpwifi_private *priv, + u8 *rates, u8 radio_type) +{ + struct wiphy *wiphy = priv->adapter->wiphy; + struct cfg80211_scan_request *request = priv->scan_request; + u32 num_rates, rate_mask; + struct ieee80211_supported_band *sband; + int i; + + if (radio_type) { + sband = wiphy->bands[NL80211_BAND_5GHZ]; + if (WARN_ON_ONCE(!sband)) + return 0; + rate_mask = request->rates[NL80211_BAND_5GHZ]; + } else { + sband = wiphy->bands[NL80211_BAND_2GHZ]; + if (WARN_ON_ONCE(!sband)) + return 0; + rate_mask = request->rates[NL80211_BAND_2GHZ]; + } + + num_rates = 0; + for (i = 0; i < sband->n_bitrates; i++) { + if ((BIT(i) & rate_mask) == 0) + continue; /* skip rate */ + rates[num_rates++] = (u8)(sband->bitrates[i].bitrate / 5); + } + + return num_rates; +} + +/* Convert config_bands to B/G/A band */ +static u16 nxpwifi_convert_config_bands(u16 config_bands) +{ + u16 bands = 0; + + if (config_bands & BAND_B) + bands |= BAND_B; + if (config_bands & BAND_G || config_bands & BAND_GN || + config_bands & BAND_GAC || config_bands & BAND_GAX) + bands |= BAND_G; + if (config_bands & BAND_A || config_bands & BAND_AN || + config_bands & BAND_AAC || config_bands & BAND_AAX) + bands |= BAND_A; + + return bands; +} + +/* Get supported rates in infrastructure (STA/P2P client) mode. */ +u32 nxpwifi_get_supported_rates(struct nxpwifi_private *priv, u8 *rates) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u32 k = 0; + u16 bands = 0; + + bands = nxpwifi_convert_config_bands(adapter->fw_bands); + + if (priv->bss_mode == NL80211_IFTYPE_STATION) { + if (bands == BAND_B) { + /* B only */ + nxpwifi_dbg(adapter, INFO, "info: infra band=%d\t" + "supported_rates_b\n", + priv->config_bands); + k = nxpwifi_copy_rates(rates, k, supported_rates_b, + sizeof(supported_rates_b)); + } else if (bands == BAND_G) { + /* G only */ + nxpwifi_dbg(adapter, INFO, "info: infra band=%d\t" + "supported_rates_g\n", + priv->config_bands); + k = nxpwifi_copy_rates(rates, k, supported_rates_g, + sizeof(supported_rates_g)); + } else if (bands & (BAND_B | BAND_G)) { + /* BG only */ + nxpwifi_dbg(adapter, INFO, "info: infra band=%d\t" + "supported_rates_bg\n", + priv->config_bands); + k = nxpwifi_copy_rates(rates, k, supported_rates_bg, + sizeof(supported_rates_bg)); + } else if (bands & BAND_A) { + /* support A */ + nxpwifi_dbg(adapter, INFO, "info: infra band=%d\t" + "supported_rates_a\n", + priv->config_bands); + k = nxpwifi_copy_rates(rates, k, supported_rates_a, + sizeof(supported_rates_a)); + } + } + + return k; +} + +u8 nxpwifi_adjust_data_rate(struct nxpwifi_private *priv, + u8 rx_rate, u8 rate_info) +{ + u8 rate_index = 0; + + /* HT40 */ + if ((rate_info & BIT(0)) && (rate_info & BIT(1))) + rate_index = NXPWIFI_RATE_INDEX_MCS0 + + NXPWIFI_BW20_MCS_NUM + rx_rate; + else if (rate_info & BIT(0)) /* HT20 */ + rate_index = NXPWIFI_RATE_INDEX_MCS0 + rx_rate; + else + rate_index = (rx_rate > NXPWIFI_RATE_INDEX_OFDM0) ? + rx_rate - 1 : rx_rate; + + if (rate_index >= NXPWIFI_MAX_AC_RX_RATES) + rate_index = NXPWIFI_MAX_AC_RX_RATES - 1; + + return rate_index; +} + +/* Check if the given region code is a valid NXP-defined region code. + * Valid codes are defined by the FW v18 region enum in IEEE_types.h: + * 0x00 (World), 0x10 (US/FCC), 0x20 (Canada/IC), 0x30 (ETSI), + * 0x31 (Spain), 0x32 (France), 0x40 (Japan), 0x41 (Japan1), 0x50 (China) + */ +bool nxpwifi_is_valid_region_code(enum nxpwifi_region_code code) +{ + switch (code) { + case NXPWIFI_REGION_WORLD: + case NXPWIFI_REGION_FCC: + case NXPWIFI_REGION_IC: + case NXPWIFI_REGION_ETSI: + case NXPWIFI_REGION_SPAIN: + case NXPWIFI_REGION_FRANCE: + case NXPWIFI_REGION_JAPAN: + case NXPWIFI_REGION_JAPAN1: + case NXPWIFI_REGION_CHINA: + return true; + default: + return false; + } +} diff --git a/drivers/net/wireless/nxp/nxpwifi/cmdevt.c b/drivers/net/wireless/nxp/nxpwifi/cmdevt.c new file mode 100644 index 000000000000..4eb17ada5db8 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/cmdevt.c @@ -0,0 +1,1310 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: commands and events + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" + +static void nxpwifi_cancel_pending_ioctl(struct nxpwifi_adapter *adapter); + +/* Initialize command node; set defaults; buffers are supplied by caller. */ +static void +nxpwifi_init_cmd_node(struct nxpwifi_private *priv, + struct cmd_ctrl_node *cmd_node, + u32 cmd_no, void *data_buf, bool sync) +{ + cmd_node->priv = priv; + cmd_node->cmd_no = cmd_no; + + if (sync) { + cmd_node->wait_q_enabled = true; + cmd_node->cmd_wait_q_woken = false; + cmd_node->condition = &cmd_node->cmd_wait_q_woken; + } + cmd_node->data_buf = data_buf; + cmd_node->cmd_skb = cmd_node->skb; + cmd_node->cmd_resp = NULL; +} + +/* Get a free command node from cmd_free_q; return NULL if none. */ +static struct cmd_ctrl_node * +nxpwifi_get_cmd_node(struct nxpwifi_adapter *adapter) +{ + struct cmd_ctrl_node *cmd_node; + + spin_lock_bh(&adapter->cmd_free_q_lock); + if (list_empty(&adapter->cmd_free_q)) { + nxpwifi_dbg(adapter, ERROR, + "GET_CMD_NODE: cmd node not available\n"); + spin_unlock_bh(&adapter->cmd_free_q_lock); + return NULL; + } + cmd_node = list_first_entry(&adapter->cmd_free_q, + struct cmd_ctrl_node, list); + list_del(&cmd_node->list); + spin_unlock_bh(&adapter->cmd_free_q_lock); + + return cmd_node; +} + +/* Reset cmd node state; trim cmd skb; complete and clear resp_skb if present. */ +static void +nxpwifi_clean_cmd_node(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_node) +{ + cmd_node->cmd_no = 0; + cmd_node->cmd_flag = 0; + cmd_node->data_buf = NULL; + cmd_node->wait_q_enabled = false; + + if (cmd_node->cmd_skb) + skb_trim(cmd_node->cmd_skb, 0); + + if (cmd_node->resp_skb) { + adapter->if_ops.cmdrsp_complete(adapter, cmd_node->resp_skb); + cmd_node->resp_skb = NULL; + } +} + +/* Optionally complete waiters, clean the node, and add it back to cmd_free_q. */ +static void +nxpwifi_insert_cmd_to_free_q(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_node) +{ + if (!cmd_node) + return; + + if (cmd_node->wait_q_enabled) + nxpwifi_complete_cmd(adapter, cmd_node); + /* Clean the node */ + nxpwifi_clean_cmd_node(adapter, cmd_node); + + /* Insert node into cmd_free_q */ + spin_lock_bh(&adapter->cmd_free_q_lock); + list_add_tail(&cmd_node->list, &adapter->cmd_free_q); + spin_unlock_bh(&adapter->cmd_free_q_lock); +} + +/* Reuse a command node. */ +void nxpwifi_recycle_cmd_node(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_node) +{ + struct host_cmd_ds_command *host_cmd = (void *)cmd_node->cmd_skb->data; + + nxpwifi_insert_cmd_to_free_q(adapter, cmd_node); + + atomic_dec(&adapter->cmd_pending); + nxpwifi_dbg(adapter, CMD, + "cmd: FREE_CMD: cmd=%#x, cmd_pending=%d\n", + le16_to_cpu(host_cmd->command), + atomic_read(&adapter->cmd_pending)); +} + +/* Copy host command (userspace-provided) into the driver cmd buffer. */ +static int nxpwifi_cmd_host_cmd(struct nxpwifi_private *priv, + struct cmd_ctrl_node *cmd_node) +{ + struct host_cmd_ds_command *cmd; + struct nxpwifi_ds_misc_cmd *pcmd_ptr; + + cmd = (struct host_cmd_ds_command *)cmd_node->skb->data; + pcmd_ptr = (struct nxpwifi_ds_misc_cmd *)cmd_node->data_buf; + + /* Copy the HOST command to command buffer */ + memcpy(cmd, pcmd_ptr->cmd, pcmd_ptr->len); + nxpwifi_dbg(priv->adapter, CMD, + "cmd: host cmd size = %d\n", pcmd_ptr->len); + return 0; +} + +/* Send prepared command to FW: set seq no, adjust skb length, log, start timer. */ +static int nxpwifi_dnld_cmd_to_fw(struct nxpwifi_private *priv, + struct cmd_ctrl_node *cmd_node) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + struct host_cmd_ds_command *host_cmd; + u16 cmd_code; + u16 cmd_size; + + if (!adapter || !cmd_node) + return -EINVAL; + + host_cmd = (struct host_cmd_ds_command *)(cmd_node->cmd_skb->data); + + /* Sanity test */ + if (host_cmd->size == 0) { + nxpwifi_dbg(adapter, ERROR, + "DNLD_CMD: host_cmd is null\t" + "or cmd size is 0, not sending\n"); + if (cmd_node->wait_q_enabled) + adapter->cmd_wait_q.status = -1; + nxpwifi_recycle_cmd_node(adapter, cmd_node); + return -EINVAL; + } + + cmd_code = le16_to_cpu(host_cmd->command); + cmd_node->cmd_no = cmd_code; + cmd_size = le16_to_cpu(host_cmd->size); + + if (adapter->hw_status == NXPWIFI_HW_STATUS_RESET && + cmd_code != HOST_CMD_FUNC_SHUTDOWN && + cmd_code != HOST_CMD_FUNC_INIT) { + nxpwifi_dbg(adapter, ERROR, + "DNLD_CMD: FW in reset state, ignore cmd %#x\n", + cmd_code); + nxpwifi_recycle_cmd_node(adapter, cmd_node); + nxpwifi_queue_work(adapter, &adapter->main_work); + return -EPERM; + } + + /* Set command sequence number */ + adapter->seq_num++; + host_cmd->seq_num = cpu_to_le16(HOST_SET_SEQ_NO_BSS_INFO + (adapter->seq_num, + cmd_node->priv->bss_num, + cmd_node->priv->bss_type)); + + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->curr_cmd = cmd_node; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + + /* Adjust skb length */ + if (cmd_node->cmd_skb->len > cmd_size) + /* + * cmd_size is less than sizeof(struct host_cmd_ds_command). + * Trim off the unused portion. + */ + skb_trim(cmd_node->cmd_skb, cmd_size); + else if (cmd_node->cmd_skb->len < cmd_size) + /* + * cmd_size is larger than sizeof(struct host_cmd_ds_command) + * because we have appended custom element TLV. Increase skb length + * accordingly. + */ + skb_put(cmd_node->cmd_skb, cmd_size - cmd_node->cmd_skb->len); + + nxpwifi_dbg(adapter, CMD, + "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n", + cmd_code, + get_unaligned_le16((u8 *)host_cmd + S_DS_GEN), + cmd_size, le16_to_cpu(host_cmd->seq_num)); + nxpwifi_dbg_dump(adapter, CMD_D, "cmd buffer:", host_cmd, cmd_size); + + skb_push(cmd_node->cmd_skb, adapter->intf_hdr_len); + ret = adapter->if_ops.host_to_card(adapter, NXPWIFI_TYPE_CMD, + cmd_node->cmd_skb, NULL); + skb_pull(cmd_node->cmd_skb, adapter->intf_hdr_len); + + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "DNLD_CMD: host to card failed\n"); + if (cmd_node->wait_q_enabled) + adapter->cmd_wait_q.status = -1; + nxpwifi_recycle_cmd_node(adapter, adapter->curr_cmd); + + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->curr_cmd = NULL; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + + adapter->dbg.num_cmd_host_to_card_failure++; + return ret; + } + + /* Save the last command id and action to debug log */ + adapter->dbg.last_cmd_index = + (adapter->dbg.last_cmd_index + 1) % DBG_CMD_NUM; + adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index] = cmd_code; + adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index] = + get_unaligned_le16((u8 *)host_cmd + S_DS_GEN); + + /* + * Setup the timer after transmit command, except that specific + * command might not have command response. + */ + if (cmd_code != HOST_CMD_FW_DUMP_EVENT) + mod_timer(&adapter->cmd_timer, + jiffies + msecs_to_jiffies(NXPWIFI_TIMER_10S)); + + /* Clear BSS_NO_BITS from HOST */ + cmd_code &= HOST_CMD_ID_MASK; + + return 0; +} + +/* Send sleep-confirm command to FW; set seq no; resp may be skipped when resp_ctrl=0. */ +static int nxpwifi_dnld_sleep_confirm_cmd(struct nxpwifi_adapter *adapter) +{ + int ret; + struct nxpwifi_private *priv; + struct nxpwifi_opt_sleep_confirm *sleep_cfm_buf = + (struct nxpwifi_opt_sleep_confirm *) + adapter->sleep_cfm->data; + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + + adapter->seq_num++; + sleep_cfm_buf->seq_num = + cpu_to_le16(HOST_SET_SEQ_NO_BSS_INFO + (adapter->seq_num, priv->bss_num, + priv->bss_type)); + + nxpwifi_dbg(adapter, CMD, + "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n", + le16_to_cpu(sleep_cfm_buf->command), + le16_to_cpu(sleep_cfm_buf->action), + le16_to_cpu(sleep_cfm_buf->size), + le16_to_cpu(sleep_cfm_buf->seq_num)); + nxpwifi_dbg_dump(adapter, CMD_D, "SLEEP_CFM buffer: ", sleep_cfm_buf, + le16_to_cpu(sleep_cfm_buf->size)); + + skb_push(adapter->sleep_cfm, adapter->intf_hdr_len); + ret = adapter->if_ops.host_to_card(adapter, NXPWIFI_TYPE_CMD, + adapter->sleep_cfm, NULL); + skb_pull(adapter->sleep_cfm, adapter->intf_hdr_len); + + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SLEEP_CFM: failed\n"); + adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure++; + return ret; + } + + if (!le16_to_cpu(sleep_cfm_buf->resp_ctrl)) + /* Response is not needed for sleep confirm command */ + adapter->ps_state = PS_STATE_SLEEP; + else + adapter->ps_state = PS_STATE_SLEEP_CFM; + + if (!le16_to_cpu(sleep_cfm_buf->resp_ctrl) && + (test_bit(NXPWIFI_IS_HS_CONFIGURED, &adapter->work_flags) && + !adapter->sleep_period.period)) { + adapter->pm_wakeup_card_req = true; + nxpwifi_hs_activated_event(nxpwifi_get_priv + (adapter, NXPWIFI_BSS_ROLE_ANY), true); + } + + return ret; +} + +/* Allocate cmd pool and link all nodes to cmd_free_q (used/returned by cmds). */ +int nxpwifi_alloc_cmd_buffer(struct nxpwifi_adapter *adapter) +{ + struct cmd_ctrl_node *cmd_array; + u32 i; + + /* Allocate and initialize struct cmd_ctrl_node */ + cmd_array = kzalloc_objs(struct cmd_ctrl_node, + NXPWIFI_NUM_OF_CMD_BUFFER, GFP_KERNEL); + if (!cmd_array) + return -ENOMEM; + + adapter->cmd_pool = cmd_array; + + /* Allocate and initialize command buffers */ + for (i = 0; i < NXPWIFI_NUM_OF_CMD_BUFFER; i++) { + cmd_array[i].skb = dev_alloc_skb(NXPWIFI_SIZE_OF_CMD_BUFFER); + if (!cmd_array[i].skb) + return -ENOMEM; + } + + for (i = 0; i < NXPWIFI_NUM_OF_CMD_BUFFER; i++) + nxpwifi_insert_cmd_to_free_q(adapter, &cmd_array[i]); + + return 0; +} + +/* Free cmd pool; release any remaining resp skbs. */ +void nxpwifi_free_cmd_buffer(struct nxpwifi_adapter *adapter) +{ + struct cmd_ctrl_node *cmd_array; + u32 i; + + /* Need to check if cmd pool is allocated or not */ + if (!adapter->cmd_pool) { + nxpwifi_dbg(adapter, FATAL, + "info: FREE_CMD_BUF: cmd_pool is null\n"); + return; + } + + cmd_array = adapter->cmd_pool; + + /* Release shared memory buffers */ + for (i = 0; i < NXPWIFI_NUM_OF_CMD_BUFFER; i++) { + if (cmd_array[i].skb) { + nxpwifi_dbg(adapter, CMD, + "cmd: free cmd buffer %d\n", i); + dev_kfree_skb_any(cmd_array[i].skb); + } + if (!cmd_array[i].resp_skb) + continue; + + dev_kfree_skb_any(cmd_array[i].resp_skb); + } + /* Release struct cmd_ctrl_node */ + if (adapter->cmd_pool) { + nxpwifi_dbg(adapter, CMD, + "cmd: free cmd pool\n"); + kfree(adapter->cmd_pool); + adapter->cmd_pool = NULL; + } +} + +/* + * Handle FW event: select per-BSS priv, fill rxinfo, dispatch to STA/UAP handler, complete. + */ +int nxpwifi_process_event(struct nxpwifi_adapter *adapter) +{ + int ret, i; + struct nxpwifi_private *priv = + nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + struct sk_buff *skb = adapter->event_skb; + u32 eventcause; + struct nxpwifi_rxinfo *rx_info; + + if ((adapter->event_cause & EVENT_ID_MASK) == EVENT_RADAR_DETECTED) { + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (nxpwifi_is_11h_active(priv)) { + adapter->event_cause |= + ((priv->bss_num & 0xff) << 16) | + ((priv->bss_type & 0xff) << 24); + break; + } + } + } + + eventcause = adapter->event_cause; + + /* Save the last event to debug log */ + adapter->dbg.last_event_index = + (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; + adapter->dbg.last_event[adapter->dbg.last_event_index] = + (u16)eventcause; + + /* Get BSS number and corresponding priv */ + priv = nxpwifi_get_priv_by_id(adapter, EVENT_GET_BSS_NUM(eventcause), + EVENT_GET_BSS_TYPE(eventcause)); + if (!priv) + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + + /* Clear BSS_NO_BITS from event */ + eventcause &= EVENT_ID_MASK; + adapter->event_cause = eventcause; + + if (skb) { + rx_info = NXPWIFI_SKB_RXCB(skb); + memset(rx_info, 0, sizeof(*rx_info)); + rx_info->bss_num = priv->bss_num; + rx_info->bss_type = priv->bss_type; + nxpwifi_dbg_dump(adapter, EVT_D, "Event Buf:", + skb->data, skb->len); + } + + nxpwifi_dbg(adapter, EVENT, "EVENT: cause: %#x\n", eventcause); + + if (priv->bss_role == NXPWIFI_BSS_ROLE_UAP) + ret = nxpwifi_process_uap_event(priv); + else + ret = nxpwifi_process_sta_event(priv); + + adapter->event_cause = 0; + adapter->event_skb = NULL; + adapter->if_ops.event_complete(adapter, skb); + + return ret; +} + +/* + * Prepare and queue a command: sanity checks, get node, init, fill, and enqueue/dispatch. + */ +int nxpwifi_send_cmd(struct nxpwifi_private *priv, u16 cmd_no, + u16 cmd_action, u32 cmd_oid, void *data_buf, bool sync) +{ + int ret; + struct nxpwifi_adapter *adapter = priv->adapter; + struct cmd_ctrl_node *cmd_node; + + if (!adapter) { + pr_err("PREP_CMD: adapter is NULL\n"); + return -EINVAL; + } + + if (test_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags)) { + nxpwifi_dbg(adapter, ERROR, + "PREP_CMD: device in suspended state\n"); + return -EPERM; + } + + if (test_bit(NXPWIFI_IS_HS_ENABLING, &adapter->work_flags) && + cmd_no != HOST_CMD_802_11_HS_CFG_ENH) { + nxpwifi_dbg(adapter, ERROR, + "PREP_CMD: host entering sleep state\n"); + return -EPERM; + } + + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags)) { + nxpwifi_dbg(adapter, ERROR, + "PREP_CMD: card is removed\n"); + return -EPERM; + } + + if (test_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags)) { + nxpwifi_dbg(adapter, ERROR, + "PREP_CMD: FW is in bad state\n"); + return -EPERM; + } + + if (adapter->hw_status == NXPWIFI_HW_STATUS_RESET) { + if (cmd_no != HOST_CMD_FUNC_INIT) { + nxpwifi_dbg(adapter, ERROR, + "PREP_CMD: FW in reset state\n"); + return -EPERM; + } + } + + if (priv->adapter->hs_activated_manually && + cmd_no != HOST_CMD_802_11_HS_CFG_ENH) { + nxpwifi_cancel_hs(priv, NXPWIFI_ASYNC_CMD); + priv->adapter->hs_activated_manually = false; + } + + /* Get a new command node */ + cmd_node = nxpwifi_get_cmd_node(adapter); + + if (!cmd_node) { + nxpwifi_dbg(adapter, ERROR, + "PREP_CMD: no free cmd node\n"); + return -ENOMEM; + } + + /* Initialize the command node */ + nxpwifi_init_cmd_node(priv, cmd_node, cmd_no, data_buf, sync); + + if (!cmd_node->cmd_skb) { + nxpwifi_dbg(adapter, ERROR, + "PREP_CMD: no free cmd buf\n"); + return -ENOMEM; + } + + skb_put_zero(cmd_node->cmd_skb, sizeof(struct host_cmd_ds_command)); + + /* Prepare command */ + if (cmd_no) { + switch (cmd_no) { + case HOST_CMD_UAP_SYS_CONFIG: + case HOST_CMD_UAP_BSS_START: + case HOST_CMD_UAP_BSS_STOP: + case HOST_CMD_UAP_STA_DEAUTH: + case HOST_CMD_APCMD_SYS_RESET: + case HOST_CMD_APCMD_STA_LIST: + case HOST_CMD_CHAN_REPORT_REQUEST: + case HOST_CMD_ADD_NEW_STATION: + ret = nxpwifi_uap_prepare_cmd(priv, cmd_node, + cmd_action, cmd_oid); + break; + default: + ret = nxpwifi_sta_prepare_cmd(priv, cmd_node, + cmd_action, cmd_oid); + break; + } + } else { + ret = nxpwifi_cmd_host_cmd(priv, cmd_node); + cmd_node->cmd_flag |= CMD_F_HOSTCMD; + } + + /* Return error, since the command preparation failed */ + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "PREP_CMD: cmd %#x preparation failed\n", + cmd_no); + nxpwifi_insert_cmd_to_free_q(adapter, cmd_node); + return ret; + } + + /* Send command */ + if (cmd_no == HOST_CMD_802_11_SCAN || + cmd_no == HOST_CMD_802_11_SCAN_EXT) { + nxpwifi_queue_scan_cmd(priv, cmd_node); + } else { + nxpwifi_insert_cmd_to_pending_q(adapter, cmd_node); + nxpwifi_queue_work(adapter, &adapter->main_work); + if (cmd_node->wait_q_enabled) + ret = nxpwifi_wait_queue_complete(adapter, cmd_node); + } + + return ret; +} + +/* Queue command to cmd_pending_q; EXIT_PS and HS_ACTIVATE go to the head. */ +void +nxpwifi_insert_cmd_to_pending_q(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_node) +{ + struct host_cmd_ds_command *host_cmd = NULL; + u16 command; + bool add_tail = true; + + host_cmd = (struct host_cmd_ds_command *)(cmd_node->cmd_skb->data); + if (!host_cmd) { + nxpwifi_dbg(adapter, ERROR, "QUEUE_CMD: host_cmd is NULL\n"); + return; + } + + command = le16_to_cpu(host_cmd->command); + + /* Exit_PS command needs to be queued in the header always. */ + if (command == HOST_CMD_802_11_PS_MODE_ENH) { + struct host_cmd_ds_802_11_ps_mode_enh *pm = + &host_cmd->params.psmode_enh; + if ((le16_to_cpu(pm->action) == DIS_PS) || + (le16_to_cpu(pm->action) == DIS_AUTO_PS)) { + if (adapter->ps_state != PS_STATE_AWAKE) + add_tail = false; + } + } + + /* Same with exit host sleep cmd, luckily that can't happen at the same time as EXIT_PS */ + if (command == HOST_CMD_802_11_HS_CFG_ENH) { + struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = + &host_cmd->params.opt_hs_cfg; + + if (le16_to_cpu(hs_cfg->action) == HS_ACTIVATE) + add_tail = false; + } + + spin_lock_bh(&adapter->cmd_pending_q_lock); + if (add_tail) + list_add_tail(&cmd_node->list, &adapter->cmd_pending_q); + else + list_add(&cmd_node->list, &adapter->cmd_pending_q); + spin_unlock_bh(&adapter->cmd_pending_q_lock); + + atomic_inc(&adapter->cmd_pending); + nxpwifi_dbg(adapter, CMD, + "cmd: QUEUE_CMD: cmd=%#x, cmd_pending=%d\n", + command, atomic_read(&adapter->cmd_pending)); +} + +/* Dequeue next cmd and download to FW; if HS active (except HS_CFG), deactivate it. */ +int nxpwifi_exec_next_cmd(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + struct cmd_ctrl_node *cmd_node; + int ret = 0; + struct host_cmd_ds_command *host_cmd; + + /* Check if already in processing */ + if (adapter->curr_cmd) { + nxpwifi_dbg(adapter, FATAL, + "EXEC_NEXT_CMD: cmd in processing\n"); + return -EBUSY; + } + + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + /* Check if any command is pending */ + spin_lock_bh(&adapter->cmd_pending_q_lock); + if (list_empty(&adapter->cmd_pending_q)) { + spin_unlock_bh(&adapter->cmd_pending_q_lock); + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + return -ENODATA; + } + cmd_node = list_first_entry(&adapter->cmd_pending_q, + struct cmd_ctrl_node, list); + + host_cmd = (struct host_cmd_ds_command *)(cmd_node->cmd_skb->data); + priv = cmd_node->priv; + + if (adapter->ps_state != PS_STATE_AWAKE) { + nxpwifi_dbg(adapter, ERROR, + "%s: cannot send cmd in sleep state,\t" + "this should not happen\n", __func__); + spin_unlock_bh(&adapter->cmd_pending_q_lock); + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + return ret; + } + + list_del(&cmd_node->list); + spin_unlock_bh(&adapter->cmd_pending_q_lock); + + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + ret = nxpwifi_dnld_cmd_to_fw(priv, cmd_node); + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + /* + * Any command sent to the firmware when host is in sleep + * mode should de-configure host sleep. We should skip the + * host sleep configuration command itself though + */ + if (priv && host_cmd->command != + cpu_to_le16(HOST_CMD_802_11_HS_CFG_ENH)) { + if (adapter->hs_activated) { + clear_bit(NXPWIFI_IS_HS_CONFIGURED, + &adapter->work_flags); + nxpwifi_hs_activated_event(priv, false); + } + } + + return ret; +} + +static void +nxpwifi_process_cmdresp_error(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_802_11_ps_mode_enh *pm; + + nxpwifi_dbg(adapter, ERROR, + "CMD_RESP: cmd %#x error, result=%#x\n", + resp->command, resp->result); + + if (adapter->curr_cmd->wait_q_enabled) + adapter->cmd_wait_q.status = -1; + + switch (le16_to_cpu(resp->command)) { + case HOST_CMD_802_11_PS_MODE_ENH: + pm = &resp->params.psmode_enh; + nxpwifi_dbg(adapter, ERROR, + "PS_MODE_ENH cmd failed: result=0x%x action=0x%X\n", + resp->result, le16_to_cpu(pm->action)); + break; + case HOST_CMD_802_11_SCAN: + case HOST_CMD_802_11_SCAN_EXT: + nxpwifi_cancel_scan(adapter); + break; + + case HOST_CMD_MAC_CONTROL: + break; + + case HOST_CMD_SDIO_SP_RX_AGGR_CFG: + nxpwifi_dbg(adapter, MSG, + "SDIO RX single-port aggregation Not support\n"); + break; + + default: + break; + } + /* Handling errors here */ + nxpwifi_recycle_cmd_node(adapter, adapter->curr_cmd); + + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->curr_cmd = NULL; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); +} + +/* Handle command response: validate, cancel timer, dispatch, set status, recycle node. */ +int nxpwifi_process_cmdresp(struct nxpwifi_adapter *adapter) +{ + struct host_cmd_ds_command *resp; + struct nxpwifi_private *priv = + nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + int ret = 0; + u16 orig_cmdresp_no; + u16 cmdresp_no; + u16 cmdresp_result; + + if (!adapter->curr_cmd || !adapter->curr_cmd->resp_skb) { + resp = (struct host_cmd_ds_command *)adapter->upld_buf; + nxpwifi_dbg(adapter, ERROR, + "CMD_RESP: NULL curr_cmd, %#x\n", + le16_to_cpu(resp->command)); + return -EINVAL; + } + + resp = (struct host_cmd_ds_command *)adapter->curr_cmd->resp_skb->data; + orig_cmdresp_no = le16_to_cpu(resp->command); + cmdresp_no = (orig_cmdresp_no & HOST_CMD_ID_MASK); + + if (adapter->curr_cmd->cmd_no != cmdresp_no) { + nxpwifi_dbg(adapter, ERROR, + "cmdresp error: cmd=0x%x cmd_resp=0x%x\n", + adapter->curr_cmd->cmd_no, cmdresp_no); + return -EINVAL; + } + /* Now we got response from FW, cancel the command timer */ + timer_delete_sync(&adapter->cmd_timer); + clear_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags); + + if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { + /* Copy original response back to response buffer */ + struct nxpwifi_ds_misc_cmd *hostcmd; + u16 size = le16_to_cpu(resp->size); + + nxpwifi_dbg(adapter, INFO, + "info: host cmd resp size = %d\n", size); + size = min_t(u16, size, NXPWIFI_SIZE_OF_CMD_BUFFER); + if (adapter->curr_cmd->data_buf) { + hostcmd = adapter->curr_cmd->data_buf; + hostcmd->len = size; + memcpy(hostcmd->cmd, resp, size); + } + } + + /* Get BSS number and corresponding priv */ + priv = nxpwifi_get_priv_by_id + (adapter, HOST_GET_BSS_NO(le16_to_cpu(resp->seq_num)), + HOST_GET_BSS_TYPE(le16_to_cpu(resp->seq_num))); + if (!priv) + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + /* Clear RET_BIT from HOST */ + resp->command = cpu_to_le16(orig_cmdresp_no & HOST_CMD_ID_MASK); + + cmdresp_no = le16_to_cpu(resp->command); + cmdresp_result = le16_to_cpu(resp->result); + + /* Save the last command response to debug log */ + adapter->dbg.last_cmd_resp_index = + (adapter->dbg.last_cmd_resp_index + 1) % DBG_CMD_NUM; + adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] = + orig_cmdresp_no; + + nxpwifi_dbg(adapter, CMD, + "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n", + orig_cmdresp_no, cmdresp_result, + le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num)); + nxpwifi_dbg_dump(adapter, CMD_D, "CMD_RESP buffer:", resp, + le16_to_cpu(resp->size)); + + if (!(orig_cmdresp_no & HOST_RET_BIT)) { + nxpwifi_dbg(adapter, ERROR, "CMD_RESP: invalid cmd resp\n"); + if (adapter->curr_cmd->wait_q_enabled) + adapter->cmd_wait_q.status = -1; + + nxpwifi_recycle_cmd_node(adapter, adapter->curr_cmd); + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->curr_cmd = NULL; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + return -EINVAL; + } + + if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { + adapter->curr_cmd->cmd_flag &= ~CMD_F_HOSTCMD; + if (cmdresp_result == HOST_RESULT_OK && + cmdresp_no == HOST_CMD_802_11_HS_CFG_ENH) + ret = nxpwifi_ret_802_11_hs_cfg(priv, resp); + } else { + if (resp->result != HOST_RESULT_OK) { + nxpwifi_process_cmdresp_error(priv, resp); + return -EFAULT; + } + if (adapter->curr_cmd->cmd_resp) { + void *data_buf = adapter->curr_cmd->data_buf; + + ret = adapter->curr_cmd->cmd_resp(priv, resp, + cmdresp_no, + data_buf); + } + } + + if (adapter->curr_cmd) { + if (adapter->curr_cmd->wait_q_enabled) + adapter->cmd_wait_q.status = ret; + + nxpwifi_recycle_cmd_node(adapter, adapter->curr_cmd); + + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->curr_cmd = NULL; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + } + + return ret; +} + +void nxpwifi_process_assoc_resp(struct nxpwifi_adapter *adapter) +{ + struct cfg80211_rx_assoc_resp_data assoc_resp = { + .uapsd_queues = -1, + }; + struct nxpwifi_private *priv = + nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); + + if (priv->assoc_rsp_size) { + assoc_resp.links[0].bss = priv->req_bss; + assoc_resp.buf = priv->assoc_rsp_buf; + assoc_resp.len = priv->assoc_rsp_size; + cfg80211_rx_assoc_resp(priv->netdev, + &assoc_resp); + priv->assoc_rsp_size = 0; + } +} + +/* + * Command timeout handler: mark timed out, cancel pending IOCTL, dump/reset device if provided. + */ +void +nxpwifi_cmd_timeout_func(struct timer_list *t) +{ + struct nxpwifi_adapter *adapter = timer_container_of(adapter, t, cmd_timer); + struct cmd_ctrl_node *cmd_node; + + set_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags); + if (!adapter->curr_cmd) { + nxpwifi_dbg(adapter, ERROR, + "cmd: empty curr_cmd\n"); + return; + } + cmd_node = adapter->curr_cmd; + if (cmd_node) { + adapter->dbg.timeout_cmd_id = + adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; + adapter->dbg.timeout_cmd_act = + adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index]; + nxpwifi_dbg(adapter, MSG, + "%s: Timeout cmd id = %#x, act = %#x\n", __func__, + adapter->dbg.timeout_cmd_id, + adapter->dbg.timeout_cmd_act); + + nxpwifi_dbg(adapter, MSG, + "num_data_h2c_failure = %d\n", + adapter->dbg.num_tx_host_to_card_failure); + nxpwifi_dbg(adapter, MSG, + "num_cmd_h2c_failure = %d\n", + adapter->dbg.num_cmd_host_to_card_failure); + + nxpwifi_dbg(adapter, MSG, + "is_cmd_timedout = %d\n", + test_bit(NXPWIFI_IS_CMD_TIMEDOUT, + &adapter->work_flags)); + nxpwifi_dbg(adapter, MSG, + "num_tx_timeout = %d\n", + adapter->dbg.num_tx_timeout); + + nxpwifi_dbg(adapter, MSG, + "last_cmd_index = %d\n", + adapter->dbg.last_cmd_index); + nxpwifi_dbg(adapter, MSG, + "last_cmd_id: %*ph\n", + (int)sizeof(adapter->dbg.last_cmd_id), + adapter->dbg.last_cmd_id); + nxpwifi_dbg(adapter, MSG, + "last_cmd_act: %*ph\n", + (int)sizeof(adapter->dbg.last_cmd_act), + adapter->dbg.last_cmd_act); + + nxpwifi_dbg(adapter, MSG, + "last_cmd_resp_index = %d\n", + adapter->dbg.last_cmd_resp_index); + nxpwifi_dbg(adapter, MSG, + "last_cmd_resp_id: %*ph\n", + (int)sizeof(adapter->dbg.last_cmd_resp_id), + adapter->dbg.last_cmd_resp_id); + + nxpwifi_dbg(adapter, MSG, + "last_event_index = %d\n", + adapter->dbg.last_event_index); + nxpwifi_dbg(adapter, MSG, + "last_event: %*ph\n", + (int)sizeof(adapter->dbg.last_event), + adapter->dbg.last_event); + + nxpwifi_dbg(adapter, MSG, + "data_sent=%d cmd_sent=%d\n", + adapter->data_sent, adapter->cmd_sent); + + nxpwifi_dbg(adapter, MSG, + "ps_mode=%d ps_state=%d\n", + adapter->ps_mode, adapter->ps_state); + + if (cmd_node->wait_q_enabled) { + adapter->cmd_wait_q.status = -ETIMEDOUT; + nxpwifi_cancel_pending_ioctl(adapter); + } + } + + if (adapter->if_ops.device_dump) + adapter->if_ops.device_dump(adapter); + + if (adapter->if_ops.card_reset) + adapter->if_ops.card_reset(adapter); +} + +void +nxpwifi_cancel_pending_scan_cmd(struct nxpwifi_adapter *adapter) +{ + struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; + + /* Cancel all pending scan command */ + spin_lock_bh(&adapter->scan_pending_q_lock); + list_for_each_entry_safe(cmd_node, tmp_node, + &adapter->scan_pending_q, list) { + list_del(&cmd_node->list); + cmd_node->wait_q_enabled = false; + nxpwifi_insert_cmd_to_free_q(adapter, cmd_node); + } + spin_unlock_bh(&adapter->scan_pending_q_lock); +} + +/* + * Cancel current cmd (if waiting), all pending cmds, and pending scan cmds; complete with error. + */ +void +nxpwifi_cancel_all_pending_cmd(struct nxpwifi_adapter *adapter) +{ + struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; + + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + /* Cancel current cmd */ + if (adapter->curr_cmd && adapter->curr_cmd->wait_q_enabled) { + adapter->cmd_wait_q.status = -1; + nxpwifi_complete_cmd(adapter, adapter->curr_cmd); + adapter->curr_cmd->wait_q_enabled = false; + /* no recycle probably wait for response */ + } + /* Cancel all pending command */ + spin_lock_bh(&adapter->cmd_pending_q_lock); + list_for_each_entry_safe(cmd_node, tmp_node, + &adapter->cmd_pending_q, list) { + list_del(&cmd_node->list); + + if (cmd_node->wait_q_enabled) + adapter->cmd_wait_q.status = -1; + nxpwifi_recycle_cmd_node(adapter, cmd_node); + } + spin_unlock_bh(&adapter->cmd_pending_q_lock); + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + + nxpwifi_cancel_scan(adapter); +} + +/* Cancel current/pending commands for the pending IOCTL; also cancel scan cmds. */ +static void +nxpwifi_cancel_pending_ioctl(struct nxpwifi_adapter *adapter) +{ + struct cmd_ctrl_node *cmd_node = NULL; + + if (adapter->curr_cmd && + adapter->curr_cmd->wait_q_enabled) { + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + cmd_node = adapter->curr_cmd; + /* + * Be careful when setting curr_cmd = NULL: + * nxpwifi_process_cmdresp expects a non-NULL pointer. + * This is safe here because only cmd_timeout calls this path + * and no response is expected at that point. + */ + adapter->curr_cmd = NULL; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + + nxpwifi_recycle_cmd_node(adapter, cmd_node); + } + + nxpwifi_cancel_scan(adapter); +} + +/* If no cmd/event/tx is pending, send sleep-confirm to FW; otherwise defer. */ +void +nxpwifi_check_ps_cond(struct nxpwifi_adapter *adapter) +{ + if (!adapter->cmd_sent && !atomic_read(&adapter->tx_hw_pending) && + !adapter->curr_cmd && !IS_CARD_RX_RCVD(adapter)) + nxpwifi_dnld_sleep_confirm_cmd(adapter); + else + nxpwifi_dbg(adapter, CMD, + "cmd: Delay Sleep Confirm (%s%s%s%s)\n", + (adapter->cmd_sent) ? "D" : "", + atomic_read(&adapter->tx_hw_pending) ? "T" : "", + (adapter->curr_cmd) ? "C" : "", + (IS_CARD_RX_RCVD(adapter)) ? "R" : ""); +} + +/* Generate HS activated/deactivated event for userspace; update flags and wake waiters. */ +void +nxpwifi_hs_activated_event(struct nxpwifi_private *priv, u8 activated) +{ + if (activated) { + if (test_bit(NXPWIFI_IS_HS_CONFIGURED, + &priv->adapter->work_flags)) { + priv->adapter->hs_activated = true; + nxpwifi_update_rxreor_flags(priv->adapter, + RXREOR_FORCE_NO_DROP); + nxpwifi_dbg(priv->adapter, EVENT, + "event: hs_activated\n"); + priv->adapter->hs_activate_wait_q_woken = true; + wake_up_interruptible(&priv->adapter->hs_activate_wait_q); + } else { + nxpwifi_dbg(priv->adapter, EVENT, + "event: HS not configured\n"); + } + } else { + nxpwifi_dbg(priv->adapter, EVENT, + "event: hs_deactivated\n"); + priv->adapter->hs_activated = false; + } +} + +/* Handle HS_CFG response: update HS configured/activated flags and emit HS events. */ +int nxpwifi_ret_802_11_hs_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_802_11_hs_cfg_enh *phs_cfg = + &resp->params.opt_hs_cfg; + u32 conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); + + if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE)) { + nxpwifi_hs_activated_event(priv, true); + goto done; + } else { + nxpwifi_dbg(adapter, CMD, + "cmd: CMD_RESP: HS_CFG cmd reply\t" + " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n", + resp->result, conditions, + phs_cfg->params.hs_config.gpio, + phs_cfg->params.hs_config.gap); + } + if (conditions != HS_CFG_CANCEL) { + set_bit(NXPWIFI_IS_HS_CONFIGURED, &adapter->work_flags); + } else { + clear_bit(NXPWIFI_IS_HS_CONFIGURED, &adapter->work_flags); + if (adapter->hs_activated) + nxpwifi_hs_activated_event(priv, false); + } + +done: + return 0; +} + +/* On power-up interrupt, wake device and cancel HS if armed; clear flags and notify. */ +void +nxpwifi_process_hs_config(struct nxpwifi_adapter *adapter) +{ + nxpwifi_dbg(adapter, INFO, + "info: %s: auto cancelling host sleep\t" + "since there is interrupt from the firmware\n", + __func__); + + adapter->if_ops.wakeup(adapter); + + if (adapter->hs_activated_manually) { + nxpwifi_cancel_hs(nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY), + NXPWIFI_ASYNC_CMD); + adapter->hs_activated_manually = false; + } + + adapter->hs_activated = false; + clear_bit(NXPWIFI_IS_HS_CONFIGURED, &adapter->work_flags); + clear_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags); + nxpwifi_hs_activated_event(nxpwifi_get_priv(adapter, + NXPWIFI_BSS_ROLE_ANY), + false); +} +EXPORT_SYMBOL_GPL(nxpwifi_process_hs_config); + +/* Handle sleep-confirm response; set ps_state and hs activation accordingly. */ +void +nxpwifi_process_sleep_confirm_resp(struct nxpwifi_adapter *adapter, + u8 *pbuf, u32 upld_len) +{ + struct host_cmd_ds_command *cmd = (struct host_cmd_ds_command *)pbuf; + u16 result = le16_to_cpu(cmd->result); + u16 command = le16_to_cpu(cmd->command); + u16 seq_num = le16_to_cpu(cmd->seq_num); + + if (!upld_len) { + nxpwifi_dbg(adapter, ERROR, + "%s: cmd size is 0\n", __func__); + return; + } + + nxpwifi_dbg(adapter, CMD, + "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n", + command, result, le16_to_cpu(cmd->size), seq_num); + + /* Update sequence number */ + seq_num = HOST_GET_SEQ_NO(seq_num); + /* Clear RET_BIT from HOST */ + command &= HOST_CMD_ID_MASK; + + if (command != HOST_CMD_802_11_PS_MODE_ENH) { + nxpwifi_dbg(adapter, ERROR, + "%s: rcvd unexpected resp for cmd %#x, result = %x\n", + __func__, command, result); + return; + } + + if (result) { + nxpwifi_dbg(adapter, ERROR, + "%s: sleep confirm cmd failed\n", + __func__); + adapter->pm_wakeup_card_req = false; + adapter->ps_state = PS_STATE_AWAKE; + return; + } + adapter->pm_wakeup_card_req = true; + if (test_bit(NXPWIFI_IS_HS_CONFIGURED, &adapter->work_flags)) + nxpwifi_hs_activated_event(nxpwifi_get_priv + (adapter, NXPWIFI_BSS_ROLE_ANY), + true); + adapter->ps_state = PS_STATE_SLEEP; + cmd->command = cpu_to_le16(command); + cmd->seq_num = cpu_to_le16(seq_num); +} +EXPORT_SYMBOL_GPL(nxpwifi_process_sleep_confirm_resp); + +int nxpwifi_mgmt_frame_reg(struct nxpwifi_private *priv, u32 mask) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_MGMT_FRAME_REG, HOST_ACT_GEN_SET, + 0, &mask, false); +} + +int nxpwifi_set_uap_sys_cfg(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *cfg) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_UAP_SYS_CONFIG, HOST_ACT_GEN_SET, + UAP_BSS_PARAMS_I, cfg, false); +} + +int nxpwifi_set_rts(struct nxpwifi_private *priv, u32 rts_thr) +{ + if (rts_thr < NXPWIFI_RTS_THRESHOLD_MIN || rts_thr > NXPWIFI_RTS_THRESHOLD_MAX) + rts_thr = NXPWIFI_RTS_THRESHOLD_MAX; + + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_SET, RTS_THRESH_I, &rts_thr, true); +} + +int nxpwifi_set_frag(struct nxpwifi_private *priv, u32 frag_thr) +{ + if (frag_thr < NXPWIFI_FRAG_THRESHOLD_MIN || + frag_thr > NXPWIFI_FRAG_THRESHOLD_MAX) + frag_thr = NXPWIFI_FRAG_THRESHOLD_MAX; + + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_SET, FRAG_THRESH_I, &frag_thr, + true); +} + +int nxpwifi_set_bss_mode(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_SET_BSS_MODE, HOST_ACT_GEN_SET, + 0, NULL, true); +} + +int nxpwifi_config_monitor_mode(struct nxpwifi_private *priv, + struct nxpwifi_802_11_net_monitor *cfg) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_NET_MONITOR, + HOST_ACT_GEN_SET, 0, cfg, true); +} + +int nxpwifi_get_tx_pwr(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_RF_TX_PWR, HOST_ACT_GEN_GET, 0, + NULL, true); +} + +int nxpwifi_apply_regdomain(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11D_DOMAIN_INFO, HOST_ACT_GEN_SET, + 0, NULL, false); +} + +int nxpwifi_get_rssi_info(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_RSSI_INFO, HOST_ACT_GEN_GET, 0, + NULL, true); +} + +int nxpwifi_get_802_11_snmp_mib(struct nxpwifi_private *priv, u16 oid, void *value) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, HOST_ACT_GEN_GET, + oid, value, true); +} + +int nxpwifi_set_rf_antenna(struct nxpwifi_private *priv, void *antcfg) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_RF_ANTENNA, HOST_ACT_GEN_SET, 0, antcfg, + true); +} + +int nxpwifi_get_rf_antenna(struct nxpwifi_private *priv, u32 *tx_ant, u32 *rx_ant) +{ + int ret; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_RF_ANTENNA, HOST_ACT_GEN_GET, 0, NULL, true); + + if (!ret) { + *tx_ant = priv->tx_ant; + *rx_ant = priv->rx_ant; + } + + return ret; +} + +int nxpwifi_ap_stop_bss(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_UAP_BSS_STOP, HOST_ACT_GEN_SET, + 0, NULL, true); +} + +int nxpwifi_ap_sys_reset(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, + HOST_ACT_GEN_SET, 0, NULL, true); +} + +int nxpwifi_ap_get_sta_list(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, HOST_ACT_GEN_GET, + 0, NULL, true); +} + +int nxpwifi_set_tx_rate(struct nxpwifi_private *priv, void *bitmap_rates) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_TX_RATE_CFG, HOST_ACT_GEN_SET, 0, + bitmap_rates, true); +} + +int nxpwifi_802_11_subscribe_event(struct nxpwifi_private *priv, + struct nxpwifi_ds_misc_subsc_evt *subsc_evt) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_SUBSCRIBE_EVENT, 0, 0, subsc_evt, + true); +} + +int nxpwifi_uap_sta_deauth(struct nxpwifi_private *priv, u8 *mac) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_UAP_STA_DEAUTH, HOST_ACT_GEN_SET, 0, mac, true); +} + +int nxpwifi_bg_scan_config(struct nxpwifi_private *priv, void *bg_scan_cfg) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_BG_SCAN_CONFIG, HOST_ACT_GEN_SET, + 0, bg_scan_cfg, true); +} + +int nxpwifi_mef_cfg(struct nxpwifi_private *priv, void *mef_cfg) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_MEF_CFG, HOST_ACT_GEN_SET, 0, mef_cfg, + true); +} + +int nxpwifi_coalesce_cfg(struct nxpwifi_private *priv, void *coalesce_cfg) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_COALESCE_CFG, HOST_ACT_GEN_SET, 0, + coalesce_cfg, true); +} + +int nxpwifi_add_new_station(struct nxpwifi_private *priv, void *add_sta) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_ADD_NEW_STATION, HOST_ACT_ADD_STA, 0, + add_sta, true); +} + +int nxpwifi_hostcmd(struct nxpwifi_private *priv, struct nxpwifi_ds_misc_cmd *hostcmd) +{ + return nxpwifi_send_cmd(priv, 0, 0, 0, hostcmd, true); +} + +int nxpwifi_chan_report_request(struct nxpwifi_private *priv, void *radar_params) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_CHAN_REPORT_REQUEST, HOST_ACT_GEN_SET, 0, + radar_params, true); +} diff --git a/drivers/net/wireless/nxp/nxpwifi/cmdevt.h b/drivers/net/wireless/nxp/nxpwifi/cmdevt.h new file mode 100644 index 000000000000..6112760b697e --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/cmdevt.h @@ -0,0 +1,122 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * nxpwifi: commands and events + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_CMD_EVT_H_ +#define _NXPWIFI_CMD_EVT_H_ + +struct nxpwifi_cmd_entry { + u16 cmd_no; + int (*prepare_cmd)(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type); + int (*cmd_resp)(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf); +}; + +struct nxpwifi_evt_entry { + u32 event_cause; + int (*event_handler)(struct nxpwifi_private *priv); +}; + +static inline int +nxpwifi_cmd_fill_head_only(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(cmd_no); + cmd->size = cpu_to_le16(S_DS_GEN); + + return 0; +} + +int nxpwifi_send_cmd(struct nxpwifi_private *priv, u16 cmd_no, + u16 cmd_action, u32 cmd_oid, void *data_buf, bool sync); +int nxpwifi_sta_prepare_cmd(struct nxpwifi_private *priv, + struct cmd_ctrl_node *cmd_node, + u16 cmd_action, u32 cmd_oid); +int nxpwifi_sta_init_cmd(struct nxpwifi_private *priv, u8 first_sta, bool init); +int nxpwifi_uap_prepare_cmd(struct nxpwifi_private *priv, + struct cmd_ctrl_node *cmd_node, + u16 cmd_action, u32 type); +int nxpwifi_set_secure_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_config, + struct cfg80211_ap_settings *params); +void nxpwifi_set_ht_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params); +void nxpwifi_set_vht_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params); +void nxpwifi_set_tpc_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params); +void nxpwifi_set_uap_rates(struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params); +void nxpwifi_set_vht_width(struct nxpwifi_private *priv, + enum nl80211_chan_width width, + bool ap_11ac_disable); +bool nxpwifi_check_11ax_capability(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params); +int nxpwifi_set_11ax_status(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params); +void nxpwifi_set_sys_config_invalid_data(struct nxpwifi_uap_bss_param *config); +void nxpwifi_set_wmm_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params); +void nxpwifi_config_uap_11d(struct nxpwifi_private *priv, + struct cfg80211_beacon_data *beacon_data); +void nxpwifi_uap_set_channel(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_chan_def chandef); +int nxpwifi_config_start_uap(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg); +int nxpwifi_process_event(struct nxpwifi_adapter *adapter); +int nxpwifi_process_sta_event(struct nxpwifi_private *priv); +int nxpwifi_process_uap_event(struct nxpwifi_private *priv); +void nxpwifi_reset_connect_state(struct nxpwifi_private *priv, u16 reason, + bool from_ap); +void nxpwifi_process_multi_chan_event(struct nxpwifi_private *priv, + struct sk_buff *event_skb); +void nxpwifi_process_tx_pause_event(struct nxpwifi_private *priv, + struct sk_buff *event); +void nxpwifi_bt_coex_wlan_param_update_event(struct nxpwifi_private *priv, + struct sk_buff *event_skb); +int nxpwifi_mgmt_frame_reg(struct nxpwifi_private *priv, u32 mask); +int nxpwifi_set_uap_sys_cfg(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *cfg); +int nxpwifi_set_rts(struct nxpwifi_private *priv, u32 rts_thr); +int nxpwifi_set_frag(struct nxpwifi_private *priv, u32 frag_thr); +int nxpwifi_set_bss_mode(struct nxpwifi_private *priv); +int nxpwifi_config_monitor_mode(struct nxpwifi_private *priv, + struct nxpwifi_802_11_net_monitor *cfg); +int nxpwifi_apply_regdomain(struct nxpwifi_private *priv); +int nxpwifi_get_tx_pwr(struct nxpwifi_private *priv); +int nxpwifi_get_rssi_info(struct nxpwifi_private *priv); +int nxpwifi_get_802_11_snmp_mib(struct nxpwifi_private *priv, u16 oid, void *value); +int nxpwifi_set_rf_antenna(struct nxpwifi_private *priv, void *antcfg); +int nxpwifi_get_rf_antenna(struct nxpwifi_private *priv, u32 *tx_ant, u32 *rx_ant); +int nxpwifi_ap_stop_bss(struct nxpwifi_private *priv); +int nxpwifi_ap_sys_reset(struct nxpwifi_private *priv); +int nxpwifi_cfg80211_deinit_p2p(struct nxpwifi_private *priv); +int nxpwifi_ap_get_sta_list(struct nxpwifi_private *priv); +int nxpwifi_set_tx_rate(struct nxpwifi_private *priv, void *bitmap_rates); +int nxpwifi_802_11_subscribe_event(struct nxpwifi_private *priv, + struct nxpwifi_ds_misc_subsc_evt *subsc_evt); +int nxpwifi_uap_sta_deauth(struct nxpwifi_private *priv, u8 *mac); +int nxpwifi_bg_scan_config(struct nxpwifi_private *priv, void *bg_scan_cfg); +int nxpwifi_mef_cfg(struct nxpwifi_private *priv, void *mef_cfg); +int nxpwifi_coalesce_cfg(struct nxpwifi_private *priv, void *coalesce_cfg); +int nxpwifi_add_new_station(struct nxpwifi_private *priv, void *add_sta); +int nxpwifi_hostcmd(struct nxpwifi_private *priv, struct nxpwifi_ds_misc_cmd *hostcmd); +int nxpwifi_chan_report_request(struct nxpwifi_private *priv, void *radar_params); +#endif /* !_NXPWIFI_CMD_EVT_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/debugfs.c b/drivers/net/wireless/nxp/nxpwifi/debugfs.c new file mode 100644 index 000000000000..ccaf0eae37e3 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/debugfs.c @@ -0,0 +1,1094 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: debugfs + * + * Copyright 2011-2024 NXP + */ + +#include + +#include "main.h" +#include "cmdevt.h" +#include "11n.h" + +static struct dentry *nxpwifi_dfs_dir; + +static char *bss_modes[] = { + "UNSPECIFIED", + "ADHOC", + "STATION", + "AP", + "AP_VLAN", + "WDS", + "MONITOR", + "MESH_POINT", + "P2P_CLIENT", + "P2P_GO", + "P2P_DEVICE", +}; + +/* + * debugfs "info" read handler: dump driver name/version, interface, BSS mode, + * link state, MAC, counters; STA adds SSID/BSSID/channel/country/region and + * multicast list. + */ +static ssize_t +nxpwifi_info_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = + (struct nxpwifi_private *)file->private_data; + struct net_device *netdev = priv->netdev; + struct netdev_hw_addr *ha; + struct netdev_queue *txq; + unsigned long page = get_zeroed_page(GFP_KERNEL); + char *p = (char *)page, fmt[64]; + struct nxpwifi_bss_info info; + ssize_t ret; + int i = 0; + + if (!p) + return -ENOMEM; + + memset(&info, 0, sizeof(info)); + ret = nxpwifi_get_bss_info(priv, &info); + if (ret) + goto free_and_exit; + + nxpwifi_drv_get_driver_version(priv->adapter, fmt, sizeof(fmt) - 1); + + nxpwifi_get_ver_ext(priv, 0); + + p += sprintf(p, "driver_name = "); + p += sprintf(p, "\"nxpwifi\"\n"); + p += sprintf(p, "driver_version = %s", fmt); + p += sprintf(p, "\nverext = %s", priv->version_str); + p += sprintf(p, "\ninterface_name=\"%s\"\n", netdev->name); + + if (info.bss_mode >= ARRAY_SIZE(bss_modes)) + p += sprintf(p, "bss_mode=\"%d\"\n", info.bss_mode); + else + p += sprintf(p, "bss_mode=\"%s\"\n", bss_modes[info.bss_mode]); + + p += sprintf(p, "media_state=\"%s\"\n", + (!priv->media_connected ? "Disconnected" : "Connected")); + p += sprintf(p, "mac_address=\"%pM\"\n", netdev->dev_addr); + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) { + p += sprintf(p, "multicast_count=\"%d\"\n", + netdev_mc_count(netdev)); + p += sprintf(p, "essid=\"%.*s\"\n", info.ssid.ssid_len, + info.ssid.ssid); + p += sprintf(p, "bssid=\"%pM\"\n", info.bssid); + p += sprintf(p, "channel=\"%d\"\n", (int)info.bss_chan); + p += sprintf(p, "country_code = \"%s\"\n", info.country_code); + p += sprintf(p, "region_code=\"0x%x\"\n", + priv->adapter->region_code); + + netdev_for_each_mc_addr(ha, netdev) + p += sprintf(p, "multicast_address[%d]=\"%pM\"\n", + i++, ha->addr); + } + + p += sprintf(p, "num_tx_bytes = %lu\n", priv->stats.tx_bytes); + p += sprintf(p, "num_rx_bytes = %lu\n", priv->stats.rx_bytes); + p += sprintf(p, "num_tx_pkts = %lu\n", priv->stats.tx_packets); + p += sprintf(p, "num_rx_pkts = %lu\n", priv->stats.rx_packets); + p += sprintf(p, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped); + p += sprintf(p, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped); + p += sprintf(p, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors); + p += sprintf(p, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors); + p += sprintf(p, "carrier %s\n", ((netif_carrier_ok(priv->netdev)) + ? "on" : "off")); + p += sprintf(p, "tx queue"); + for (i = 0; i < netdev->num_tx_queues; i++) { + txq = netdev_get_tx_queue(netdev, i); + p += sprintf(p, " %d:%s", i, netif_tx_queue_stopped(txq) ? + "stopped" : "started"); + } + p += sprintf(p, "\n"); + + ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, + (unsigned long)p - page); + +free_and_exit: + free_page(page); + return ret; +} + +/* + * debugfs "getlog" read handler: dump firmware/802.11 counters (retry, RTS/ACK, dup, + * frag, mcast, FCS, beacon stats). + */ +static ssize_t +nxpwifi_getlog_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = + (struct nxpwifi_private *)file->private_data; + unsigned long page = get_zeroed_page(GFP_KERNEL); + char *p = (char *)page; + ssize_t ret; + struct nxpwifi_ds_get_stats stats; + + if (!p) + return -ENOMEM; + + memset(&stats, 0, sizeof(stats)); + ret = nxpwifi_get_stats_info(priv, &stats); + if (ret) + goto free_and_exit; + + p += sprintf(p, "\n" + "mcasttxframe %u\n" + "failed %u\n" + "retry %u\n" + "multiretry %u\n" + "framedup %u\n" + "rtssuccess %u\n" + "rtsfailure %u\n" + "ackfailure %u\n" + "rxfrag %u\n" + "mcastrxframe %u\n" + "fcserror %u\n" + "txframe %u\n" + "wepicverrcnt-1 %u\n" + "wepicverrcnt-2 %u\n" + "wepicverrcnt-3 %u\n" + "wepicverrcnt-4 %u\n" + "bcn_rcv_cnt %u\n" + "bcn_miss_cnt %u\n", + stats.mcast_tx_frame, + stats.failed, + stats.retry, + stats.multi_retry, + stats.frame_dup, + stats.rts_success, + stats.rts_failure, + stats.ack_failure, + stats.rx_frag, + stats.mcast_rx_frame, + stats.fcs_error, + stats.tx_frame, + stats.wep_icv_error[0], + stats.wep_icv_error[1], + stats.wep_icv_error[2], + stats.wep_icv_error[3], + stats.bcn_rcv_cnt, + stats.bcn_miss_cnt); + + ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, + (unsigned long)p - page); + +free_and_exit: + free_page(page); + return ret; +} + +/* + * debugfs "histogram" read handler: report sample count and per-rate/SNR/noise + * floor/signal strength histograms. + */ +static ssize_t +nxpwifi_histogram_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = + (struct nxpwifi_private *)file->private_data; + ssize_t ret; + struct nxpwifi_histogram_data *phist_data; + int i, value; + unsigned long page = get_zeroed_page(GFP_KERNEL); + char *p = (char *)page; + + if (!p) + return -ENOMEM; + + if (!priv || !priv->hist_data) { + ret = -EFAULT; + goto free_and_exit; + } + + phist_data = priv->hist_data; + + p += sprintf(p, "\n" + "total samples = %d\n", + atomic_read(&phist_data->num_samples)); + + p += sprintf(p, + "rx rates (in Mbps): 0=1M 1=2M 2=5.5M 3=11M 4=6M 5=9M 6=12M\n" + "7=18M 8=24M 9=36M 10=48M 11=54M 12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n"); + + if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { + p += sprintf(p, + "44-53=MCS0-9(VHT:BW20) 54-63=MCS0-9(VHT:BW40) 64-73=MCS0-9(VHT:BW80)\n\n"); + } else { + p += sprintf(p, "\n"); + } + + for (i = 0; i < NXPWIFI_MAX_RX_RATES; i++) { + value = atomic_read(&phist_data->rx_rate[i]); + if (value) + p += sprintf(p, "rx_rate[%02d] = %d\n", i, value); + } + + if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) { + for (i = NXPWIFI_MAX_RX_RATES; i < NXPWIFI_MAX_AC_RX_RATES; + i++) { + value = atomic_read(&phist_data->rx_rate[i]); + if (value) + p += sprintf(p, "rx_rate[%02d] = %d\n", + i, value); + } + } + + for (i = 0; i < NXPWIFI_MAX_SNR; i++) { + value = atomic_read(&phist_data->snr[i]); + if (value) + p += sprintf(p, "snr[%02ddB] = %d\n", i, value); + } + for (i = 0; i < NXPWIFI_MAX_NOISE_FLR; i++) { + value = atomic_read(&phist_data->noise_flr[i]); + if (value) + p += sprintf(p, "noise_flr[%02ddBm] = %d\n", + (int)(i - 128), value); + } + for (i = 0; i < NXPWIFI_MAX_SIG_STRENGTH; i++) { + value = atomic_read(&phist_data->sig_str[i]); + if (value) + p += sprintf(p, "sig_strength[-%02ddBm] = %d\n", + i, value); + } + + ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, + (unsigned long)p - page); + +free_and_exit: + free_page(page); + return ret; +} + +static ssize_t +nxpwifi_histogram_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = (void *)file->private_data; + + if (priv && priv->hist_data) + nxpwifi_hist_data_reset(priv); + return 0; +} + +static struct nxpwifi_debug_info info; + +/* debugfs "debug" read handler: dump adapter debug info and BA/reorder tables. */ +static ssize_t +nxpwifi_debug_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = + (struct nxpwifi_private *)file->private_data; + unsigned long page = get_zeroed_page(GFP_KERNEL); + char *p = (char *)page; + ssize_t ret; + + if (!p) + return -ENOMEM; + + ret = nxpwifi_get_debug_info(priv, &info); + if (ret) + goto free_and_exit; + + p += nxpwifi_debug_info_to_buffer(priv, p, &info); + + ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, + (unsigned long)p - page); + +free_and_exit: + free_page(page); + return ret; +} + +static u32 saved_reg_type, saved_reg_offset, saved_reg_value; + +/* + * debugfs "regrdwr" write handler: parse and store for + * readback/IO. + */ +static ssize_t +nxpwifi_regrdwr_write(struct file *file, + const char __user *ubuf, size_t count, loff_t *ppos) +{ + char *buf; + int ret; + u32 reg_type = 0, reg_offset = 0, reg_value = UINT_MAX; + int rv; + + buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + rv = sscanf(buf, "%u %x %x", ®_type, ®_offset, ®_value); + + if (rv != 3) { + ret = -EINVAL; + goto done; + } + + if (reg_type == 0 || reg_offset == 0) { + ret = -EINVAL; + goto done; + } else { + saved_reg_type = reg_type; + saved_reg_offset = reg_offset; + saved_reg_value = reg_value; + ret = count; + } +done: + kfree(buf); + return ret; +} + +/* + * debugfs "regrdwr" read handler: perform pending register read/write and return + * . + */ +static ssize_t +nxpwifi_regrdwr_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = + (struct nxpwifi_private *)file->private_data; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + int pos = 0, ret = 0; + u32 reg_value; + + if (!buf) + return -ENOMEM; + + if (!saved_reg_type) { + /* No command has been given */ + pos += snprintf(buf, PAGE_SIZE, "0"); + goto done; + } + /* Set command has been given */ + if (saved_reg_value != UINT_MAX) { + ret = nxpwifi_reg_write(priv, saved_reg_type, saved_reg_offset, + saved_reg_value); + + pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", + saved_reg_type, saved_reg_offset, + saved_reg_value); + + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); + + goto done; + } + /* Get command has been given */ + ret = nxpwifi_reg_read(priv, saved_reg_type, + saved_reg_offset, ®_value); + if (ret) { + ret = -EINVAL; + goto done; + } + + pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", saved_reg_type, + saved_reg_offset, reg_value); + + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); + +done: + free_page(addr); + return ret; +} + +/* debugfs "debug_mask" read handler: show driver debug mask. */ + +static ssize_t +nxpwifi_debug_mask_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = + (struct nxpwifi_private *)file->private_data; + unsigned long page = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)page; + size_t ret = 0; + int pos = 0; + + if (!buf) + return -ENOMEM; + + pos += snprintf(buf, PAGE_SIZE, "debug mask=0x%08x\n", + priv->adapter->debug_mask); + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); + + free_page(page); + return ret; +} + +/* debugfs "debug_mask" write handler: set driver debug mask. */ + +static ssize_t +nxpwifi_debug_mask_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + int ret; + unsigned long debug_mask; + struct nxpwifi_private *priv = (void *)file->private_data; + char *buf; + + buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + if (kstrtoul(buf, 0, &debug_mask)) { + ret = -EINVAL; + goto done; + } + + priv->adapter->debug_mask = debug_mask; + ret = count; +done: + kfree(buf); + return ret; +} + +/* debugfs "verext" write handler: select extended version string. */ +static ssize_t +nxpwifi_verext_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + int ret; + u32 versionstrsel; + struct nxpwifi_private *priv = (void *)file->private_data; + + ret = kstrtou32_from_user(ubuf, count, 10, &versionstrsel); + if (ret) + return ret; + + priv->versionstrsel = versionstrsel; + + return count; +} + +/* debugfs "verext" read handler: show extended version string. */ +static ssize_t +nxpwifi_verext_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = + (struct nxpwifi_private *)file->private_data; + char buf[256]; + int ret; + + nxpwifi_get_ver_ext(priv, priv->versionstrsel); + ret = snprintf(buf, sizeof(buf), "version string: %s\n", + priv->version_str); + + return simple_read_from_buffer(ubuf, count, ppos, buf, ret); +} + +/* debugfs "memrw" write handler: read/write firmware memory (addr, value). */ +static ssize_t +nxpwifi_memrw_write(struct file *file, const char __user *ubuf, size_t count, + loff_t *ppos) +{ + int ret; + char cmd; + struct nxpwifi_ds_mem_rw mem_rw; + u16 cmd_action; + struct nxpwifi_private *priv = (void *)file->private_data; + char *buf; + + buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + ret = sscanf(buf, "%c %x %x", &cmd, &mem_rw.addr, &mem_rw.value); + if (ret != 3) { + ret = -EINVAL; + goto done; + } + + if ((cmd == 'r') || (cmd == 'R')) { + cmd_action = HOST_ACT_GEN_GET; + mem_rw.value = 0; + } else if ((cmd == 'w') || (cmd == 'W')) { + cmd_action = HOST_ACT_GEN_SET; + } else { + ret = -EINVAL; + goto done; + } + + memcpy(&priv->mem_rw, &mem_rw, sizeof(mem_rw)); + ret = nxpwifi_send_cmd(priv, HOST_CMD_MEM_ACCESS, cmd_action, 0, + &mem_rw, true); + if (!ret) + ret = count; + +done: + kfree(buf); + return ret; +} + +/* debugfs "memrw" read handler: show last memory access result. */ +static ssize_t +nxpwifi_memrw_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = (void *)file->private_data; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + int ret, pos = 0; + + if (!buf) + return -ENOMEM; + + pos += snprintf(buf, PAGE_SIZE, "0x%x 0x%x\n", priv->mem_rw.addr, + priv->mem_rw.value); + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); + + free_page(addr); + return ret; +} + +static u32 saved_offset = -1, saved_bytes = -1; + +/* debugfs "rdeeprom" write handler: set EEPROM offset/length to read. */ +static ssize_t +nxpwifi_rdeeprom_write(struct file *file, + const char __user *ubuf, size_t count, loff_t *ppos) +{ + char *buf; + int ret = 0; + int offset = -1, bytes = -1; + int rv; + + buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + rv = sscanf(buf, "%d %d", &offset, &bytes); + + if (rv != 2) { + ret = -EINVAL; + goto done; + } + + if (offset == -1 || bytes == -1) { + ret = -EINVAL; + goto done; + } else { + saved_offset = offset; + saved_bytes = bytes; + ret = count; + } +done: + kfree(buf); + return ret; +} + +/* debugfs "rdeeprom" read handler: dump EEPROM bytes from saved offset/length. */ +static ssize_t +nxpwifi_rdeeprom_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = + (struct nxpwifi_private *)file->private_data; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + int pos, ret, i; + u8 value[MAX_EEPROM_DATA]; + + if (!buf) + return -ENOMEM; + + if (saved_offset == -1) { + /* No command has been given */ + pos = snprintf(buf, PAGE_SIZE, "0"); + goto done; + } + + /* Get command has been given */ + ret = nxpwifi_eeprom_read(priv, (u16)saved_offset, + (u16)saved_bytes, value); + if (ret) { + ret = -EINVAL; + goto out_free; + } + + pos = snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes); + + for (i = 0; i < saved_bytes; i++) + pos += scnprintf(buf + pos, PAGE_SIZE - pos, "%d ", value[i]); + +done: + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); +out_free: + free_page(addr); + return ret; +} + +/* + * debugfs "hscfg" write handler: configure host-sleep (conditions/gpio/gap) or + * cancel. + */ +static ssize_t +nxpwifi_hscfg_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = (void *)file->private_data; + char *buf; + int ret, arg_num; + struct nxpwifi_ds_hs_cfg hscfg; + int conditions = HS_CFG_COND_DEF; + u32 gpio = HS_CFG_GPIO_DEF, gap = HS_CFG_GAP_DEF; + + buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + arg_num = sscanf(buf, "%d %x %x", &conditions, &gpio, &gap); + + memset(&hscfg, 0, sizeof(struct nxpwifi_ds_hs_cfg)); + + if (arg_num > 3) { + nxpwifi_dbg(priv->adapter, ERROR, + "Too many arguments\n"); + ret = -EINVAL; + goto done; + } + + if (arg_num >= 1 && arg_num < 3) + nxpwifi_set_hs_params(priv, HOST_ACT_GEN_GET, + NXPWIFI_SYNC_CMD, &hscfg); + + if (arg_num) { + if (conditions == HS_CFG_CANCEL) { + nxpwifi_cancel_hs(priv, NXPWIFI_ASYNC_CMD); + ret = count; + goto done; + } + hscfg.conditions = conditions; + } + if (arg_num >= 2) + hscfg.gpio = gpio; + if (arg_num == 3) + hscfg.gap = gap; + + hscfg.is_invoke_hostcmd = false; + nxpwifi_set_hs_params(priv, HOST_ACT_GEN_SET, + NXPWIFI_SYNC_CMD, &hscfg); + + nxpwifi_enable_hs(priv->adapter); + clear_bit(NXPWIFI_IS_HS_ENABLING, &priv->adapter->work_flags); + ret = count; +done: + kfree(buf); + return ret; +} + +/* debugfs "hscfg" read handler: show current host-sleep configuration. */ +static ssize_t +nxpwifi_hscfg_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = (void *)file->private_data; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + int pos, ret; + struct nxpwifi_ds_hs_cfg hscfg; + + if (!buf) + return -ENOMEM; + + nxpwifi_set_hs_params(priv, HOST_ACT_GEN_GET, + NXPWIFI_SYNC_CMD, &hscfg); + + pos = snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", hscfg.conditions, + hscfg.gpio, hscfg.gap); + + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); + + free_page(addr); + return ret; +} + +static ssize_t +nxpwifi_timeshare_coex_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = file->private_data; + char buf[3]; + bool timeshare_coex; + int ret; + unsigned int len; + + if (priv->adapter->fw_api_ver != NXPWIFI_FW_V15) + return -EOPNOTSUPP; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_ROBUST_COEX, + HOST_ACT_GEN_GET, 0, ×hare_coex, true); + if (ret) + return ret; + + len = sprintf(buf, "%d\n", timeshare_coex); + return simple_read_from_buffer(ubuf, count, ppos, buf, len); +} + +static ssize_t +nxpwifi_timeshare_coex_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + bool timeshare_coex; + struct nxpwifi_private *priv = file->private_data; + int ret; + + if (priv->adapter->fw_api_ver != NXPWIFI_FW_V15) + return -EOPNOTSUPP; + + ret = kstrtobool_from_user(ubuf, count, ×hare_coex); + if (ret) + return ret; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_ROBUST_COEX, + HOST_ACT_GEN_SET, 0, ×hare_coex, true); + if (ret) + return ret; + else + return count; +} + +static ssize_t +nxpwifi_reset_write(struct file *file, + const char __user *ubuf, size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = file->private_data; + struct nxpwifi_adapter *adapter = priv->adapter; + bool result; + int rc; + + rc = kstrtobool_from_user(ubuf, count, &result); + if (rc) + return rc; + + if (!result) + return -EINVAL; + + if (adapter->if_ops.card_reset) { + nxpwifi_dbg(adapter, INFO, "Resetting per request\n"); + adapter->if_ops.card_reset(adapter); + } + + return count; +} + +static ssize_t +nxpwifi_fake_radar_detect_write(struct file *file, + const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = file->private_data; + struct nxpwifi_adapter *adapter = priv->adapter; + bool result; + int rc; + + rc = kstrtobool_from_user(ubuf, count, &result); + if (rc) + return rc; + + if (!result) + return -EINVAL; + + if (priv->wdev.links[0].cac_started) { + nxpwifi_dbg(adapter, MSG, + "Generate fake radar detected during CAC\n"); + if (nxpwifi_stop_radar_detection(priv, &priv->dfs_chandef)) + nxpwifi_dbg(adapter, ERROR, + "Failed to stop CAC in FW\n"); + wiphy_delayed_work_cancel(priv->adapter->wiphy, &priv->dfs_cac_work); + cfg80211_cac_event(priv->netdev, &priv->dfs_chandef, + NL80211_RADAR_CAC_ABORTED, GFP_KERNEL, 0); + cfg80211_radar_event(adapter->wiphy, &priv->dfs_chandef, + GFP_KERNEL); + } else { + if (priv->bss_chandef.chan->dfs_cac_ms) { + nxpwifi_dbg(adapter, MSG, + "Generate fake radar detected\n"); + cfg80211_radar_event(adapter->wiphy, + &priv->dfs_chandef, + GFP_KERNEL); + } + } + + return count; +} + +static ssize_t +nxpwifi_netmon_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + int ret; + struct nxpwifi_802_11_net_monitor netmon_cfg; + struct nxpwifi_private *priv = (void *)file->private_data; + char *buf; + + buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); + if (IS_ERR(buf)) + return PTR_ERR(buf); + memset(&netmon_cfg, 0, sizeof(struct nxpwifi_802_11_net_monitor)); + ret = sscanf(buf, "%u %u %u %u %u", + &netmon_cfg.enable_net_mon, + &netmon_cfg.filter_flag, + &netmon_cfg.band, + &netmon_cfg.channel, + &netmon_cfg.chan_bandwidth); + + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_NET_MONITOR, + HOST_ACT_GEN_SET, 0, &netmon_cfg, true); + + if (!ret) + ret = count; + + kfree(buf); + return ret; +} + +static ssize_t +nxpwifi_twt_setup_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + int ret; + struct nxpwifi_twt_cfg twt_cfg; + struct nxpwifi_private *priv = (void *)file->private_data; + char *buf; + u16 twt_mantissa, bcn_miss_threshold; + + buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + ret = sscanf(buf, "%hhu %hhu %hhu %hhu %hhu %hhu %hhu %hhu %hhu %hu %hhu %hu", + &twt_cfg.param.twt_setup.implicit, + &twt_cfg.param.twt_setup.announced, + &twt_cfg.param.twt_setup.trigger_enabled, + &twt_cfg.param.twt_setup.twt_info_disabled, + &twt_cfg.param.twt_setup.negotiation_type, + &twt_cfg.param.twt_setup.twt_wakeup_duration, + &twt_cfg.param.twt_setup.flow_identifier, + &twt_cfg.param.twt_setup.hard_constraint, + &twt_cfg.param.twt_setup.twt_exponent, + &twt_mantissa, + &twt_cfg.param.twt_setup.twt_request, + &bcn_miss_threshold); + + twt_cfg.param.twt_setup.twt_mantissa = cpu_to_le16(twt_mantissa); + twt_cfg.param.twt_setup.bcn_miss_threshold = cpu_to_le16(bcn_miss_threshold); + twt_cfg.sub_id = NXPWIFI_11AX_TWT_SETUP_SUBID; + ret = nxpwifi_send_cmd(priv, HOST_CMD_TWT_CFG, HOST_ACT_GEN_SET, 0, + &twt_cfg, true); + if (!ret) + ret = count; + + kfree(buf); + return ret; +} + +static ssize_t +nxpwifi_twt_teardown_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + int ret; + struct nxpwifi_twt_cfg twt_cfg; + struct nxpwifi_private *priv = (void *)file->private_data; + char *buf; + + buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + ret = sscanf(buf, "%hhu %hhu %hhu", + &twt_cfg.param.twt_teardown.flow_identifier, + &twt_cfg.param.twt_teardown.negotiation_type, + &twt_cfg.param.twt_teardown.teardown_all_twt); + + twt_cfg.sub_id = NXPWIFI_11AX_TWT_TEARDOWN_SUBID; + ret = nxpwifi_send_cmd(priv, HOST_CMD_TWT_CFG, HOST_ACT_GEN_SET, 0, + &twt_cfg, true); + + if (!ret) + ret = count; + + kfree(buf); + return ret; +} + +static ssize_t +nxpwifi_twt_report_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct nxpwifi_private *priv = + (struct nxpwifi_private *)file->private_data; + unsigned long page = get_zeroed_page(GFP_KERNEL); + char *p = (char *)page; + ssize_t ret; + struct nxpwifi_twt_cfg twt_cfg; + u8 num, i, j; + + if (!p) + return -ENOMEM; + + twt_cfg.sub_id = NXPWIFI_11AX_TWT_REPORT_SUBID; + ret = nxpwifi_send_cmd(priv, HOST_CMD_TWT_CFG, HOST_ACT_GEN_GET, 0, + &twt_cfg, true); + if (ret) + goto done; + num = twt_cfg.param.twt_report.length / NXPWIFI_BTWT_REPORT_LEN; + num = num <= NXPWIFI_BTWT_REPORT_MAX_NUM ? num : NXPWIFI_BTWT_REPORT_MAX_NUM; + p += sprintf(p, "\ntwt_report len %hhu, num %hhu, twt_report_info:\n", + twt_cfg.param.twt_report.length, num); + for (i = 0; i < num; i++) { + p += sprintf(p, "id[%hu]:\r\n", i); + for (j = 0; j < NXPWIFI_BTWT_REPORT_LEN; j++) { + p += sprintf(p, + " 0x%02x", + twt_cfg.param.twt_report.data[i * NXPWIFI_BTWT_REPORT_LEN + j]); + } + p += sprintf(p, "\r\n"); + } + + ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page, + (unsigned long)p - page); + +done: + free_page(page); + return ret; +} + +static ssize_t +nxpwifi_twt_information_write(struct file *file, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + int ret; + struct nxpwifi_twt_cfg twt_cfg; + struct nxpwifi_private *priv = (void *)file->private_data; + char *buf; + u32 suspend_duration; + + buf = memdup_user_nul(ubuf, min(count, (size_t)(PAGE_SIZE - 1))); + if (IS_ERR(buf)) + return PTR_ERR(buf); + + ret = sscanf(buf, "%hhu %u", + &twt_cfg.param.twt_information.flow_identifier, &suspend_duration); + twt_cfg.param.twt_information.suspend_duration = cpu_to_le32(suspend_duration); + + twt_cfg.sub_id = NXPWIFI_11AX_TWT_INFORMATION_SUBID; + ret = nxpwifi_send_cmd(priv, HOST_CMD_TWT_CFG, HOST_ACT_GEN_SET, 0, + &twt_cfg, true); + + if (!ret) + ret = count; + + kfree(buf); + return ret; +} + +#define NXPWIFI_DFS_ADD_FILE(name) debugfs_create_file(#name, 0644, \ + priv->dfs_dev_dir, priv, \ + &nxpwifi_dfs_##name##_fops) + +#define NXPWIFI_DFS_FILE_OPS(name) \ +static const struct file_operations nxpwifi_dfs_##name##_fops = { \ + .read = nxpwifi_##name##_read, \ + .write = nxpwifi_##name##_write, \ + .open = simple_open, \ +} + +#define NXPWIFI_DFS_FILE_READ_OPS(name) \ +static const struct file_operations nxpwifi_dfs_##name##_fops = { \ + .read = nxpwifi_##name##_read, \ + .open = simple_open, \ +} + +#define NXPWIFI_DFS_FILE_WRITE_OPS(name) \ +static const struct file_operations nxpwifi_dfs_##name##_fops = { \ + .write = nxpwifi_##name##_write, \ + .open = simple_open, \ +} + +NXPWIFI_DFS_FILE_READ_OPS(info); +NXPWIFI_DFS_FILE_READ_OPS(debug); +NXPWIFI_DFS_FILE_READ_OPS(getlog); +NXPWIFI_DFS_FILE_OPS(regrdwr); +NXPWIFI_DFS_FILE_OPS(rdeeprom); +NXPWIFI_DFS_FILE_OPS(memrw); +NXPWIFI_DFS_FILE_OPS(hscfg); +NXPWIFI_DFS_FILE_OPS(histogram); +NXPWIFI_DFS_FILE_OPS(debug_mask); +NXPWIFI_DFS_FILE_OPS(timeshare_coex); +NXPWIFI_DFS_FILE_WRITE_OPS(reset); +NXPWIFI_DFS_FILE_WRITE_OPS(fake_radar_detect); +NXPWIFI_DFS_FILE_OPS(verext); +NXPWIFI_DFS_FILE_WRITE_OPS(netmon); +NXPWIFI_DFS_FILE_WRITE_OPS(twt_setup); +NXPWIFI_DFS_FILE_WRITE_OPS(twt_teardown); +NXPWIFI_DFS_FILE_READ_OPS(twt_report); +NXPWIFI_DFS_FILE_WRITE_OPS(twt_information); + +/* Create per-netdev debugfs directory and files. */ +void +nxpwifi_dev_debugfs_init(struct nxpwifi_private *priv) +{ + if (!nxpwifi_dfs_dir || !priv) + return; + + priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name, + nxpwifi_dfs_dir); + + NXPWIFI_DFS_ADD_FILE(info); + NXPWIFI_DFS_ADD_FILE(debug); + NXPWIFI_DFS_ADD_FILE(getlog); + NXPWIFI_DFS_ADD_FILE(regrdwr); + NXPWIFI_DFS_ADD_FILE(rdeeprom); + + NXPWIFI_DFS_ADD_FILE(memrw); + NXPWIFI_DFS_ADD_FILE(hscfg); + NXPWIFI_DFS_ADD_FILE(histogram); + NXPWIFI_DFS_ADD_FILE(debug_mask); + NXPWIFI_DFS_ADD_FILE(timeshare_coex); + NXPWIFI_DFS_ADD_FILE(reset); + NXPWIFI_DFS_ADD_FILE(fake_radar_detect); + NXPWIFI_DFS_ADD_FILE(verext); + NXPWIFI_DFS_ADD_FILE(netmon); + NXPWIFI_DFS_ADD_FILE(twt_setup); + NXPWIFI_DFS_ADD_FILE(twt_teardown); + NXPWIFI_DFS_ADD_FILE(twt_report); + NXPWIFI_DFS_ADD_FILE(twt_information); +} + +/* Remove per-netdev debugfs directory and files. */ +void +nxpwifi_dev_debugfs_remove(struct nxpwifi_private *priv) +{ + if (!priv) + return; + + debugfs_remove_recursive(priv->dfs_dev_dir); +} + +/* Create top-level debugfs directory. */ +void +nxpwifi_debugfs_init(void) +{ + if (!nxpwifi_dfs_dir) + nxpwifi_dfs_dir = debugfs_create_dir("nxpwifi", NULL); +} + +/* Remove top-level debugfs directory. */ +void +nxpwifi_debugfs_remove(void) +{ + debugfs_remove(nxpwifi_dfs_dir); +} diff --git a/drivers/net/wireless/nxp/nxpwifi/ethtool.c b/drivers/net/wireless/nxp/nxpwifi/ethtool.c new file mode 100644 index 000000000000..aabb635afcf5 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/ethtool.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: ethtool + * + * Copyright 2011-2024 NXP + */ + +#include "main.h" + +static void nxpwifi_ethtool_get_wol(struct net_device *dev, + struct ethtool_wolinfo *wol) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + u32 conditions = le32_to_cpu(priv->adapter->hs_cfg.conditions); + + wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_PHY; + + if (conditions == HS_CFG_COND_DEF) + return; + + if (conditions & HS_CFG_COND_UNICAST_DATA) + wol->wolopts |= WAKE_UCAST; + if (conditions & HS_CFG_COND_MULTICAST_DATA) + wol->wolopts |= WAKE_MCAST; + if (conditions & HS_CFG_COND_BROADCAST_DATA) + wol->wolopts |= WAKE_BCAST; + if (conditions & HS_CFG_COND_MAC_EVENT) + wol->wolopts |= WAKE_PHY; +} + +static int nxpwifi_ethtool_set_wol(struct net_device *dev, + struct ethtool_wolinfo *wol) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + u32 conditions = 0; + + if (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_PHY)) + return -EOPNOTSUPP; + + if (wol->wolopts & WAKE_UCAST) + conditions |= HS_CFG_COND_UNICAST_DATA; + if (wol->wolopts & WAKE_MCAST) + conditions |= HS_CFG_COND_MULTICAST_DATA; + if (wol->wolopts & WAKE_BCAST) + conditions |= HS_CFG_COND_BROADCAST_DATA; + if (wol->wolopts & WAKE_PHY) + conditions |= HS_CFG_COND_MAC_EVENT; + if (wol->wolopts == 0) + conditions |= HS_CFG_COND_DEF; + priv->adapter->hs_cfg.conditions = cpu_to_le32(conditions); + + return 0; +} + +const struct ethtool_ops nxpwifi_ethtool_ops = { + .get_wol = nxpwifi_ethtool_get_wol, + .set_wol = nxpwifi_ethtool_set_wol, +}; diff --git a/drivers/net/wireless/nxp/nxpwifi/fw.h b/drivers/net/wireless/nxp/nxpwifi/fw.h new file mode 100644 index 000000000000..188110b020cf --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/fw.h @@ -0,0 +1,2475 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * nxpwifi: Firmware-specific macros and structures + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_FW_H_ +#define _NXPWIFI_FW_H_ + +#include + +#define INTF_HEADER_LEN 4 + +struct rfc_1042_hdr { + u8 llc_dsap; + u8 llc_ssap; + u8 llc_ctrl; + u8 snap_oui[3]; + __be16 snap_type; +} __packed; + +struct rx_packet_hdr { + struct ethhdr eth803_hdr; + struct rfc_1042_hdr rfc1042_hdr; +} __packed; + +struct tx_packet_hdr { + struct ethhdr eth803_hdr; + struct rfc_1042_hdr rfc1042_hdr; +} __packed; + +struct nxpwifi_fw_header { + __le32 dnld_cmd; + __le32 base_addr; + __le32 data_length; + __le32 crc; +} __packed; + +struct nxpwifi_fw_data { + struct nxpwifi_fw_header header; + __le32 seq_num; + u8 data[]; +} __packed; + +struct nxpwifi_fw_dump_header { + __le16 seq_num; + __le16 reserved; + __le16 type; + __le16 len; +} __packed; + +#define FW_DUMP_INFO_ENDED 0x0002 + +#define NXPWIFI_FW_DNLD_CMD_1 0x1 +#define NXPWIFI_FW_DNLD_CMD_5 0x5 +#define NXPWIFI_FW_DNLD_CMD_6 0x6 +#define NXPWIFI_FW_DNLD_CMD_7 0x7 + +#define B_SUPPORTED_RATES 5 +#define G_SUPPORTED_RATES 9 +#define BG_SUPPORTED_RATES 13 +#define A_SUPPORTED_RATES 9 +#define HOSTCMD_SUPPORTED_RATES 14 +#define N_SUPPORTED_RATES 3 +#define ALL_802_11_BANDS \ + (BAND_A | BAND_B | BAND_G | BAND_GN | BAND_AN | BAND_AAC | BAND_GAC) +#define FW_MULTI_BANDS_SUPPORT \ + (BIT(8) | BIT(9) | BIT(10) | BIT(11) | BIT(12) | BIT(13)) +#define IS_SUPPORT_MULTI_BANDS(adapter) \ + ((adapter)->fw_cap_info & FW_MULTI_BANDS_SUPPORT) + +/* + * Map fw_cap_info for default bands: shift 11ac flags so bits + * 11:GN, 12:AN, 13:GAC, 14:AAC match driver layout after >>8. + */ +#define GET_FW_DEFAULT_BANDS(adapter) ({\ + typeof(adapter) (_adapter) = adapter; \ + (((((_adapter->fw_cap_info & 0x3000) << 1) | \ + (_adapter->fw_cap_info & ~0xF000)) \ + >> 8) & \ + ALL_802_11_BANDS); \ + }) + +#define HOST_WEP_KEY_INDEX_MASK 0x3fff + +#define KEY_INFO_ENABLED 0x01 +enum KEY_TYPE_ID { + KEY_TYPE_ID_WEP = 0, + KEY_TYPE_ID_TKIP, + KEY_TYPE_ID_AES, + KEY_TYPE_ID_WAPI, + KEY_TYPE_ID_AES_CMAC, + KEY_TYPE_ID_GCMP, + KEY_TYPE_ID_GCMP_256, + KEY_TYPE_ID_CCMP_256, + KEY_TYPE_ID_BIP_GMAC_128, + KEY_TYPE_ID_BIP_GMAC_256, +}; + +#define WPA_PN_SIZE 8 +#define KEY_PARAMS_FIXED_LEN 10 +#define KEY_INDEX_MASK 0xf +#define KEY_API_VER_MAJOR_V2 2 + +#define KEY_MCAST BIT(0) +#define KEY_UNICAST BIT(1) +#define KEY_ENABLED BIT(2) +#define KEY_DEFAULT BIT(3) +#define KEY_TX_KEY BIT(4) +#define KEY_RX_KEY BIT(5) +#define KEY_IGTK BIT(10) + +#define MAX_POLL_TRIES 10000 +#define MAX_FIRMWARE_POLL_TRIES 300 + +#define FIRMWARE_READY_SDIO 0xfedc +#define FIRMWARE_READY_PCIE 0xfedcba00 + +#define NXPWIFI_COEX_MODE_TIMESHARE 0x01 +#define NXPWIFI_COEX_MODE_SPATIAL 0x82 + +enum nxpwifi_usb_ep { + NXPWIFI_USB_EP_CMD_EVENT = 1, + NXPWIFI_USB_EP_DATA = 2, + NXPWIFI_USB_EP_DATA_CH2 = 3, +}; + +enum NXPWIFI_802_11_PRIVACY_FILTER { + NXPWIFI_802_11_PRIV_FILTER_ACCEPT_ALL, + NXPWIFI_802_11_PRIV_FILTER_8021X_WEP +}; + +#define CAL_SNR(RSSI, NF) ((s16)((s16)(RSSI) - (s16)(NF))) +#define CAL_RSSI(SNR, NF) ((s16)((s16)(SNR) + (s16)(NF))) + +#define UAP_BSS_PARAMS_I 0 +#define UAP_CUSTOM_IE_I 1 +#define NXPWIFI_AUTO_IDX_MASK 0xffff +#define NXPWIFI_DELETE_MASK 0x0000 +#define MGMT_MASK_ASSOC_REQ 0x01 +#define MGMT_MASK_REASSOC_REQ 0x04 +#define MGMT_MASK_ASSOC_RESP 0x02 +#define MGMT_MASK_REASSOC_RESP 0x08 +#define MGMT_MASK_PROBE_REQ 0x10 +#define MGMT_MASK_PROBE_RESP 0x20 +#define MGMT_MASK_BEACON 0x100 + +#define TLV_TYPE_UAP_SSID 0x0000 +#define TLV_TYPE_UAP_RATES 0x0001 +#define TLV_TYPE_PWR_CONSTRAINT 0x0020 +#define TLV_TYPE_HT_CAPABILITY 0x002d +#define TLV_TYPE_EXTENSION_ID 0x00ff + +#define PROPRIETARY_TLV_BASE_ID 0x0100 +#define TLV_TYPE_KEY_MATERIAL (PROPRIETARY_TLV_BASE_ID + 0) +#define TLV_TYPE_CHANLIST (PROPRIETARY_TLV_BASE_ID + 1) +#define TLV_TYPE_NUMPROBES (PROPRIETARY_TLV_BASE_ID + 2) +#define TLV_TYPE_RSSI_LOW (PROPRIETARY_TLV_BASE_ID + 4) +#define TLV_TYPE_PASSTHROUGH (PROPRIETARY_TLV_BASE_ID + 10) +#define TLV_TYPE_WMMQSTATUS (PROPRIETARY_TLV_BASE_ID + 16) +#define TLV_TYPE_WILDCARDSSID (PROPRIETARY_TLV_BASE_ID + 18) +#define TLV_TYPE_TSFTIMESTAMP (PROPRIETARY_TLV_BASE_ID + 19) +#define TLV_TYPE_RSSI_HIGH (PROPRIETARY_TLV_BASE_ID + 22) +#define TLV_TYPE_BGSCAN_START_LATER (PROPRIETARY_TLV_BASE_ID + 30) +#define TLV_TYPE_AUTH_TYPE (PROPRIETARY_TLV_BASE_ID + 31) +#define TLV_TYPE_STA_MAC_ADDR (PROPRIETARY_TLV_BASE_ID + 32) +#define TLV_TYPE_BSSID (PROPRIETARY_TLV_BASE_ID + 35) +#define TLV_TYPE_CHANNELBANDLIST (PROPRIETARY_TLV_BASE_ID + 42) +#define TLV_TYPE_UAP_MAC_ADDRESS (PROPRIETARY_TLV_BASE_ID + 43) +#define TLV_TYPE_UAP_BEACON_PERIOD (PROPRIETARY_TLV_BASE_ID + 44) +#define TLV_TYPE_UAP_DTIM_PERIOD (PROPRIETARY_TLV_BASE_ID + 45) +#define TLV_TYPE_UAP_BCAST_SSID (PROPRIETARY_TLV_BASE_ID + 48) +#define TLV_TYPE_UAP_PREAMBLE_CTL (PROPRIETARY_TLV_BASE_ID + 49) +#define TLV_TYPE_UAP_RTS_THRESHOLD (PROPRIETARY_TLV_BASE_ID + 51) +#define TLV_TYPE_UAP_AO_TIMER (PROPRIETARY_TLV_BASE_ID + 57) +#define TLV_TYPE_UAP_WEP_KEY (PROPRIETARY_TLV_BASE_ID + 59) +#define TLV_TYPE_UAP_WPA_PASSPHRASE (PROPRIETARY_TLV_BASE_ID + 60) +#define TLV_TYPE_UAP_ENCRY_PROTOCOL (PROPRIETARY_TLV_BASE_ID + 64) +#define TLV_TYPE_UAP_AKMP (PROPRIETARY_TLV_BASE_ID + 65) +#define TLV_TYPE_UAP_FRAG_THRESHOLD (PROPRIETARY_TLV_BASE_ID + 70) +#define TLV_TYPE_RATE_DROP_CONTROL (PROPRIETARY_TLV_BASE_ID + 82) +#define TLV_TYPE_RATE_SCOPE (PROPRIETARY_TLV_BASE_ID + 83) +#define TLV_TYPE_POWER_GROUP (PROPRIETARY_TLV_BASE_ID + 84) +#define TLV_TYPE_BSS_SCAN_RSP (PROPRIETARY_TLV_BASE_ID + 86) +#define TLV_TYPE_BSS_SCAN_INFO (PROPRIETARY_TLV_BASE_ID + 87) +#define TLV_TYPE_CHANRPT_11H_BASIC (PROPRIETARY_TLV_BASE_ID + 91) +#define TLV_TYPE_UAP_RETRY_LIMIT (PROPRIETARY_TLV_BASE_ID + 93) +#define TLV_TYPE_ROBUST_COEX (PROPRIETARY_TLV_BASE_ID + 96) +#define TLV_TYPE_UAP_MGMT_FRAME (PROPRIETARY_TLV_BASE_ID + 104) +#define TLV_TYPE_MGMT_IE (PROPRIETARY_TLV_BASE_ID + 105) +#define TLV_TYPE_AUTO_DS_PARAM (PROPRIETARY_TLV_BASE_ID + 113) +#define TLV_TYPE_PS_PARAM (PROPRIETARY_TLV_BASE_ID + 114) +#define TLV_TYPE_UAP_PS_AO_TIMER (PROPRIETARY_TLV_BASE_ID + 123) +#define TLV_TYPE_PWK_CIPHER (PROPRIETARY_TLV_BASE_ID + 145) +#define TLV_TYPE_GWK_CIPHER (PROPRIETARY_TLV_BASE_ID + 146) +#define TLV_TYPE_TX_PAUSE (PROPRIETARY_TLV_BASE_ID + 148) +#define TLV_TYPE_RXBA_SYNC (PROPRIETARY_TLV_BASE_ID + 153) +#define TLV_TYPE_COALESCE_RULE (PROPRIETARY_TLV_BASE_ID + 154) +#define TLV_TYPE_KEY_PARAM_V2 (PROPRIETARY_TLV_BASE_ID + 156) +#define TLV_TYPE_REGION_DOMAIN_CODE (PROPRIETARY_TLV_BASE_ID + 171) +#define TLV_TYPE_REPEAT_COUNT (PROPRIETARY_TLV_BASE_ID + 176) +#define TLV_TYPE_PS_PARAMS_IN_HS (PROPRIETARY_TLV_BASE_ID + 181) +#define TLV_TYPE_MULTI_CHAN_INFO (PROPRIETARY_TLV_BASE_ID + 183) +#define TLV_TYPE_MC_GROUP_INFO (PROPRIETARY_TLV_BASE_ID + 184) +#define TLV_TYPE_SCAN_CHANNEL_GAP (PROPRIETARY_TLV_BASE_ID + 197) +#define TLV_TYPE_API_REV (PROPRIETARY_TLV_BASE_ID + 199) +#define TLV_TYPE_CHANNEL_STATS (PROPRIETARY_TLV_BASE_ID + 198) +#define TLV_BTCOEX_WL_AGGR_WINSIZE (PROPRIETARY_TLV_BASE_ID + 202) +#define TLV_BTCOEX_WL_SCANTIME (PROPRIETARY_TLV_BASE_ID + 203) +#define TLV_TYPE_BSS_MODE (PROPRIETARY_TLV_BASE_ID + 206) +#define TLV_TYPE_RANDOM_MAC (PROPRIETARY_TLV_BASE_ID + 236) +#define TLV_TYPE_CHAN_ATTR_CFG (PROPRIETARY_TLV_BASE_ID + 237) +#define TLV_TYPE_MAX_CONN (PROPRIETARY_TLV_BASE_ID + 279) +#define TLV_TYPE_HOST_MLME (PROPRIETARY_TLV_BASE_ID + 307) +#define TLV_TYPE_UAP_STA_FLAGS (PROPRIETARY_TLV_BASE_ID + 313) +#define TLV_TYPE_FW_CAP_INFO (PROPRIETARY_TLV_BASE_ID + 318) +#define TLV_TYPE_AX_ENABLE_SR (PROPRIETARY_TLV_BASE_ID + 322) +#define TLV_TYPE_AX_OBSS_PD_OFFSET (PROPRIETARY_TLV_BASE_ID + 323) +#define TLV_TYPE_SAE_PWE_MODE (PROPRIETARY_TLV_BASE_ID + 339) +#define TLV_TYPE_6E_INBAND_FRAMES (PROPRIETARY_TLV_BASE_ID + 345) +#define TLV_TYPE_SECURE_BOOT_UUID (PROPRIETARY_TLV_BASE_ID + 348) + +#define NXPWIFI_TX_DATA_BUF_SIZE_2K 2048 + +#define SSN_MASK 0xfff0 + +#define BA_RESULT_SUCCESS 0x0 +#define BA_RESULT_TIMEOUT 0x2 + +#define IS_BASTREAM_SETUP(ptr) ((ptr)->ba_status) + +#define BA_STREAM_NOT_ALLOWED 0xff + +#define IS_11N_ENABLED(priv) ({ \ + typeof(priv) (_priv) = priv; \ + (((_priv)->config_bands & BAND_GN || \ + (_priv)->config_bands & BAND_AN) && \ + (_priv)->curr_bss_params.bss_descriptor.bcn_ht_cap && \ + !(_priv)->curr_bss_params.bss_descriptor.disable_11n); \ + }) +#define INITIATOR_BIT(del_ba_param_set) (((del_ba_param_set) &\ + BIT(DELBA_INITIATOR_POS)) >> DELBA_INITIATOR_POS) + +#define NXPWIFI_TX_DATA_BUF_SIZE_4K 4096 +#define NXPWIFI_TX_DATA_BUF_SIZE_8K 8192 +#define NXPWIFI_TX_DATA_BUF_SIZE_12K 12288 + +#define ISSUPP_11NENABLED(fw_cap_info) ((fw_cap_info) & BIT(11)) +#define ISSUPP_DRCS_ENABLED(fw_cap_info) ((fw_cap_info) & BIT(15)) +#define ISSUPP_SDIO_SPA_ENABLED(fw_cap_info) ((fw_cap_info) & BIT(16)) +#define ISSUPP_RANDOM_MAC(fw_cap_info) ((fw_cap_info) & BIT(27)) +#define ISSUPP_FIRMWARE_SUPPLICANT(fw_cap_info) ((fw_cap_info) & BIT(21)) + +#define NXPWIFI_DEF_HT_CAP (IEEE80211_HT_CAP_DSSSCCK40 | \ + (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | \ + IEEE80211_HT_CAP_SM_PS) + +#define NXPWIFI_DEF_11N_TX_BF_CAP 0x09E1E008 + +#define NXPWIFI_DEF_AMPDU IEEE80211_HT_AMPDU_PARM_FACTOR + +#define RXPD_FLAG_EXTRA_HEADER BIT(1) +/* channel number at bit 5-13 */ +#define RXPD_CHAN_MASK 0x3FE0 +/* DCM at bit 16 */ +#define RXPD_DCM_MASK 0x10000 + +/* + * dot11n dev_cap bits: 17:20/40MHz, 23:SGI20, 24:SGI40, 25:TXSTBC, + * 26:RXSTBC, 29:Greenfield. + */ +#define ISSUPP_CHANWIDTH40(dot_11n_dev_cap) ((dot_11n_dev_cap) & BIT(17)) +#define ISSUPP_SHORTGI20(dot_11n_dev_cap) ((dot_11n_dev_cap) & BIT(23)) +#define ISSUPP_SHORTGI40(dot_11n_dev_cap) ((dot_11n_dev_cap) & BIT(24)) +#define ISSUPP_TXSTBC(dot_11n_dev_cap) ((dot_11n_dev_cap) & BIT(25)) +#define ISSUPP_RXSTBC(dot_11n_dev_cap) ((dot_11n_dev_cap) & BIT(26)) +#define ISSUPP_GREENFIELD(dot_11n_dev_cap) ((dot_11n_dev_cap) & BIT(29)) +#define ISENABLED_40MHZ_INTOLERANT(dot_11n_dev_cap) ((dot_11n_dev_cap) & BIT(8)) +#define ISSUPP_RXLDPC(dot_11n_dev_cap) ((dot_11n_dev_cap) & BIT(22)) +#define ISSUPP_BEAMFORMING(dot_11n_dev_cap) ((dot_11n_dev_cap) & BIT(30)) +#define ISALLOWED_CHANWIDTH40(ht_param) ((ht_param) & BIT(2)) +#define GETSUPP_TXBASTREAMS(dot_11n_dev_cap) (((dot_11n_dev_cap) >> 18) & 0xF) + +/* AMPDU factor size */ +#define AMPDU_FACTOR_64K 0x03 +/* hw_dev_cap : MPDU DENSITY */ +#define GET_MPDU_DENSITY(hw_dev_cap) ((hw_dev_cap) & 0x7) + +/* httxcfg bits: 1:20/40, 4:GF, 5:SGI20, 6:SGI40. */ +#define NXPWIFI_FW_DEF_HTTXCFG (BIT(1) | BIT(4) | BIT(5) | BIT(6)) + +/* 11ac MCS map (1x1): stream0 supports 0-9, others not supported. */ +#define NXPWIFI_11AC_MCS_MAP_1X1 0xfffefffe + +/* 11ac MCS map (2x2): stream0/1 support 0-9, others not supported. */ +#define NXPWIFI_11AC_MCS_MAP_2X2 0xfffafffa + +#define GET_TXMCSSUPP(dev_mcs_supported) ((dev_mcs_supported) >> 4) +#define GET_RXMCSSUPP(dev_mcs_supported) ((dev_mcs_supported) & 0x0f) +#define SETHT_MCS32(x) (x[4] |= 1) +#define HT_STREAM_1X1 0x11 +#define HT_STREAM_2X2 0x22 + +#define SET_SECONDARYCHAN(radio_type, sec_chan) \ + ((radio_type) |= ((sec_chan) << 4)) + +#define LLC_SNAP_LEN 8 + +/* HW_SPEC fw_cap_info */ + +#define ISSUPP_11ACENABLED(fw_cap_info) ((fw_cap_info) & BIT(13)) +#define NO_NSS_SUPPORT 0x3 +#define GET_VHTNSSMCS(mcs_mapset, nss) \ + (((mcs_mapset) >> (2 * ((nss) - 1))) & 0x3) +#define SET_VHTNSSMCS(mcs_mapset, nss, value) \ + ((mcs_mapset) |= ((value) & 0x3) << (2 * ((nss) - 1))) +#define GET_DEVTXMCSMAP(dev_mcs_map) ((dev_mcs_map) >> 16) +#define GET_DEVRXMCSMAP(dev_mcs_map) ((dev_mcs_map) & 0xFFFF) + +/* Clear SU/MU beamformer/beamformee and sounding dimension bits. */ +#define NXPWIFI_DEF_11AC_CAP_BF_RESET_MASK \ + (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | \ + IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE | \ + IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | \ + IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK) + +#define MOD_CLASS_HR_DSSS 0x03 +#define MOD_CLASS_OFDM 0x07 +#define MOD_CLASS_HT 0x08 +#define HT_BW_20 0 +#define HT_BW_40 1 + +#define DFS_CHAN_MOVE_TIME 10000 + +#define ISSUPP_11AXENABLED(fw_cap_ext) ((fw_cap_ext) & BIT(7)) + +#define HOST_CMD_GET_HW_SPEC 0x0003 +#define HOST_CMD_802_11_SCAN 0x0006 +#define HOST_CMD_802_11_GET_LOG 0x000b +#define HOST_CMD_MAC_MULTICAST_ADR 0x0010 +#define HOST_CMD_802_11_ASSOCIATE 0x0012 +#define HOST_CMD_802_11_SNMP_MIB 0x0016 +#define HOST_CMD_MAC_REG_ACCESS 0x0019 +#define HOST_CMD_BBP_REG_ACCESS 0x001a +#define HOST_CMD_RF_REG_ACCESS 0x001b +#define HOST_CMD_RF_TX_PWR 0x001e +#define HOST_CMD_RF_ANTENNA 0x0020 +#define HOST_CMD_802_11_DEAUTHENTICATE 0x0024 +#define HOST_CMD_MAC_CONTROL 0x0028 +#define HOST_CMD_802_11_MAC_ADDRESS 0x004D +#define HOST_CMD_802_11_EEPROM_ACCESS 0x0059 +#define HOST_CMD_802_11D_DOMAIN_INFO 0x005b +#define HOST_CMD_802_11_KEY_MATERIAL 0x005e +#define HOST_CMD_802_11_BG_SCAN_CONFIG 0x006b +#define HOST_CMD_802_11_BG_SCAN_QUERY 0x006c +#define HOST_CMD_WMM_GET_STATUS 0x0071 +#define HOST_CMD_802_11_SUBSCRIBE_EVENT 0x0075 +#define HOST_CMD_802_11_TX_RATE_QUERY 0x007f +#define HOST_CMD_MEM_ACCESS 0x0086 +#define HOST_CMD_CFG_DATA 0x008f +#define HOST_CMD_VERSION_EXT 0x0097 +#define HOST_CMD_MEF_CFG 0x009a +#define HOST_CMD_RSSI_INFO 0x00a4 +#define HOST_CMD_FUNC_INIT 0x00a9 +#define HOST_CMD_FUNC_SHUTDOWN 0x00aa +#define HOST_CMD_PMIC_REG_ACCESS 0x00ad +#define HOST_CMD_APCMD_SYS_RESET 0x00af +#define HOST_CMD_UAP_SYS_CONFIG 0x00b0 +#define HOST_CMD_UAP_BSS_START 0x00b1 +#define HOST_CMD_UAP_BSS_STOP 0x00b2 +#define HOST_CMD_APCMD_STA_LIST 0x00b3 +#define HOST_CMD_UAP_STA_DEAUTH 0x00b5 +#define HOST_CMD_11N_CFG 0x00cd +#define HOST_CMD_11N_ADDBA_REQ 0x00ce +#define HOST_CMD_11N_ADDBA_RSP 0x00cf +#define HOST_CMD_11N_DELBA 0x00d0 +#define HOST_CMD_TXPWR_CFG 0x00d1 +#define HOST_CMD_TX_RATE_CFG 0x00d6 +#define HOST_CMD_RECONFIGURE_TX_BUFF 0x00d9 +#define HOST_CMD_CHAN_REPORT_REQUEST 0x00dd +#define HOST_CMD_AMSDU_AGGR_CTRL 0x00df +#define HOST_CMD_ROBUST_COEX 0x00e0 +#define HOST_CMD_802_11_PS_MODE_ENH 0x00e4 +#define HOST_CMD_802_11_HS_CFG_ENH 0x00e5 +#define HOST_CMD_CAU_REG_ACCESS 0x00ed +#define HOST_CMD_SET_BSS_MODE 0x00f7 +#define HOST_CMD_PCIE_DESC_DETAILS 0x00fa +#define HOST_CMD_802_11_NET_MONITOR 0x0102 +#define HOST_CMD_802_11_SCAN_EXT 0x0107 +#define HOST_CMD_COALESCE_CFG 0x010a +#define HOST_CMD_MGMT_FRAME_REG 0x010c +#define HOST_CMD_REMAIN_ON_CHAN 0x010d +#define HOST_CMD_GTK_REKEY_OFFLOAD_CFG 0x010f +#define HOST_CMD_11AC_CFG 0x0112 +#define HOST_CMD_HS_WAKEUP_REASON 0x0116 +#define HOST_CMD_MC_POLICY 0x0121 +#define HOST_CMD_FW_DUMP_EVENT 0x0125 +#define HOST_CMD_SDIO_SP_RX_AGGR_CFG 0x0223 +#define HOST_CMD_STA_CONFIGURE 0x023f +#define HOST_CMD_VDLL 0x0240 +#define HOST_CMD_CHAN_REGION_CFG 0x0242 +#define HOST_CMD_PACKET_AGGR_CTRL 0x0251 +#define HOST_CMD_ADD_NEW_STATION 0x025f +#define HOST_CMD_11AX_CFG 0x0266 +#define HOST_CMD_11AX_CMD 0x026d +#define HOST_CMD_TWT_CFG 0x0270 + +#define PROTOCOL_NO_SECURITY 0x01 +#define PROTOCOL_STATIC_WEP 0x02 +#define PROTOCOL_WPA 0x08 +#define PROTOCOL_WPA2 0x20 +#define PROTOCOL_WPA2_MIXED 0x28 +#define PROTOCOL_EAP 0x40 +#define KEY_MGMT_EAP 0x01 +#define KEY_MGMT_PSK 0x02 +#define KEY_MGMT_NONE 0x04 +#define KEY_MGMT_PSK_SHA256 0x100 +#define KEY_MGMT_OWE 0x200 +#define KEY_MGMT_SAE 0x400 +#define CIPHER_TKIP 0x04 +#define CIPHER_AES_CCMP 0x08 +#define VALID_CIPHER_BITMAP 0x0c + +enum ENH_PS_MODES { + EN_PS = 1, + DIS_PS = 2, + EN_AUTO_DS = 3, + DIS_AUTO_DS = 4, + SLEEP_CONFIRM = 5, + GET_PS = 0, + EN_AUTO_PS = 0xff, + DIS_AUTO_PS = 0xfe, +}; + +enum nxpwifi_channel_flags { + NXPWIFI_CHANNEL_PASSIVE = BIT(0), + NXPWIFI_CHANNEL_DFS = BIT(1), + NXPWIFI_CHANNEL_NOHT40 = BIT(2), + NXPWIFI_CHANNEL_NOHT80 = BIT(3), + NXPWIFI_CHANNEL_DISABLED = BIT(7), +}; + +#define HOST_RET_BIT 0x8000 +#define HOST_ACT_GEN_GET 0x0000 +#define HOST_ACT_GEN_SET 0x0001 +#define HOST_ACT_GEN_REMOVE 0x0004 +#define HOST_ACT_BITWISE_SET 0x0002 +#define HOST_ACT_BITWISE_CLR 0x0003 +#define HOST_RESULT_OK 0x0000 +#define HOST_ACT_MAC_RX_ON BIT(0) +#define HOST_ACT_MAC_TX_ON BIT(1) +#define HOST_ACT_MAC_WEP_ENABLE BIT(3) +#define HOST_ACT_MAC_ETHERNETII_ENABLE BIT(4) +#define HOST_ACT_MAC_PROMISCUOUS_ENABLE BIT(7) +#define HOST_ACT_MAC_ALL_MULTICAST_ENABLE BIT(8) +#define HOST_ACT_MAC_DYNAMIC_BW_ENABLE BIT(16) + +#define HOST_BSS_MODE_IBSS 0x0002 +#define HOST_BSS_MODE_ANY 0x0003 + +#define HOST_SCAN_RADIO_TYPE_BG 0 +#define HOST_SCAN_RADIO_TYPE_A 1 + +#define HS_CFG_CANCEL 0xffffffff +#define HS_CFG_COND_DEF 0x00000000 +#define HS_CFG_GPIO_DEF 0xff +#define HS_CFG_GAP_DEF 0xff +#define HS_CFG_COND_BROADCAST_DATA 0x00000001 +#define HS_CFG_COND_UNICAST_DATA 0x00000002 +#define HS_CFG_COND_MAC_EVENT 0x00000004 +#define HS_CFG_COND_MULTICAST_DATA 0x00000008 + +#define CONNECT_ERR_AUTH_ERR_STA_FAILURE 0xFFFB +#define CONNECT_ERR_ASSOC_ERR_TIMEOUT 0xFFFC +#define CONNECT_ERR_ASSOC_ERR_AUTH_REFUSED 0xFFFD +#define CONNECT_ERR_AUTH_MSG_UNHANDLED 0xFFFE +#define CONNECT_ERR_STA_FAILURE 0xFFFF + +#define CMD_F_HOSTCMD BIT(0) + +#define HOST_CMD_ID_MASK 0x0fff + +#define HOST_SEQ_NUM_MASK 0x00ff + +#define HOST_BSS_NUM_MASK 0x0f00 + +#define HOST_BSS_TYPE_MASK 0xf000 + +#define HOST_ACT_SET_RX 0x0001 +#define HOST_ACT_SET_TX 0x0002 +#define HOST_ACT_SET_BOTH 0x0003 +#define HOST_ACT_GET_RX 0x0004 +#define HOST_ACT_GET_TX 0x0008 +#define HOST_ACT_GET_BOTH 0x000c + +#define HOST_ACT_REMOVE_STA 0x0 +#define HOST_ACT_ADD_STA 0x1 + +#define RF_ANTENNA_AUTO 0xFFFF + +#define HOST_SET_SEQ_NO_BSS_INFO(seq, num, type) \ + ((((seq) & 0x00ff) | \ + (((num) & 0x000f) << 8)) | \ + (((type) & 0x000f) << 12)) + +#define HOST_GET_SEQ_NO(seq) \ + ((seq) & HOST_SEQ_NUM_MASK) + +#define HOST_GET_BSS_NO(seq) \ + (((seq) & HOST_BSS_NUM_MASK) >> 8) + +#define HOST_GET_BSS_TYPE(seq) \ + (((seq) & HOST_BSS_TYPE_MASK) >> 12) + +#define EVENT_DUMMY_HOST_WAKEUP_SIGNAL 0x00000001 +#define EVENT_LINK_LOST 0x00000003 +#define EVENT_LINK_SENSED 0x00000004 +#define EVENT_MIB_CHANGED 0x00000006 +#define EVENT_INIT_DONE 0x00000007 +#define EVENT_DEAUTHENTICATED 0x00000008 +#define EVENT_DISASSOCIATED 0x00000009 +#define EVENT_PS_AWAKE 0x0000000a +#define EVENT_PS_SLEEP 0x0000000b +#define EVENT_MIC_ERR_MULTICAST 0x0000000d +#define EVENT_MIC_ERR_UNICAST 0x0000000e +#define EVENT_DEEP_SLEEP_AWAKE 0x00000010 +#define EVENT_WMM_STATUS_CHANGE 0x00000017 +#define EVENT_BG_SCAN_REPORT 0x00000018 +#define EVENT_RSSI_LOW 0x00000019 +#define EVENT_SNR_LOW 0x0000001a +#define EVENT_MAX_FAIL 0x0000001b +#define EVENT_RSSI_HIGH 0x0000001c +#define EVENT_SNR_HIGH 0x0000001d +#define EVENT_DATA_RSSI_LOW 0x00000024 +#define EVENT_DATA_SNR_LOW 0x00000025 +#define EVENT_DATA_RSSI_HIGH 0x00000026 +#define EVENT_DATA_SNR_HIGH 0x00000027 +#define EVENT_LINK_QUALITY 0x00000028 +#define EVENT_PORT_RELEASE 0x0000002b +#define EVENT_UAP_STA_DEAUTH 0x0000002c +#define EVENT_UAP_STA_ASSOC 0x0000002d +#define EVENT_UAP_BSS_START 0x0000002e +#define EVENT_PRE_BEACON_LOST 0x00000031 +#define EVENT_ADDBA 0x00000033 +#define EVENT_DELBA 0x00000034 +#define EVENT_BA_STREAM_TIEMOUT 0x00000037 +#define EVENT_AMSDU_AGGR_CTRL 0x00000042 +#define EVENT_UAP_BSS_IDLE 0x00000043 +#define EVENT_UAP_BSS_ACTIVE 0x00000044 +#define EVENT_WEP_ICV_ERR 0x00000046 +#define EVENT_HS_ACT_REQ 0x00000047 +#define EVENT_BW_CHANGE 0x00000048 +#define EVENT_UAP_MIC_COUNTERMEASURES 0x0000004c +#define EVENT_HOSTWAKE_STAIE 0x0000004d +#define EVENT_CHANNEL_SWITCH_ANN 0x00000050 +#define EVENT_RADAR_DETECTED 0x00000053 +#define EVENT_CHANNEL_REPORT_RDY 0x00000054 +#define EVENT_TX_DATA_PAUSE 0x00000055 +#define EVENT_EXT_SCAN_REPORT 0x00000058 +#define EVENT_RXBA_SYNC 0x00000059 +#define EVENT_REMAIN_ON_CHAN_EXPIRED 0x0000005f +#define EVENT_UNKNOWN_DEBUG 0x00000063 +#define EVENT_BG_SCAN_STOPPED 0x00000065 +#define EVENT_MULTI_CHAN_INFO 0x0000006a +#define EVENT_FW_DUMP_INFO 0x00000073 +#define EVENT_TX_STATUS_REPORT 0x00000074 +#define EVENT_BT_COEX_WLAN_PARA_CHANGE 0X00000076 +#define EVENT_VDLL_IND 0x00000081 + +#define EVENT_ID_MASK 0xffff +#define BSS_NUM_MASK 0xf + +#define EVENT_GET_BSS_NUM(event_cause) \ + (((event_cause) >> 16) & BSS_NUM_MASK) + +#define EVENT_GET_BSS_TYPE(event_cause) \ + (((event_cause) >> 24) & 0x00ff) + +#define NXPWIFI_MAX_PATTERN_LEN 40 +#define NXPWIFI_MAX_OFFSET_LEN 100 +#define NXPWIFI_MAX_ND_MATCH_SETS 10 + +#define STACK_NBYTES 100 +#define TYPE_DNUM 1 +#define TYPE_BYTESEQ 2 +#define MAX_OPERAND 0x40 +#define TYPE_EQ (MAX_OPERAND + 1) +#define TYPE_EQ_DNUM (MAX_OPERAND + 2) +#define TYPE_EQ_BIT (MAX_OPERAND + 3) +#define TYPE_AND (MAX_OPERAND + 4) +#define TYPE_OR (MAX_OPERAND + 5) +#define MEF_MODE_HOST_SLEEP 1 +#define MEF_ACTION_ALLOW_AND_WAKEUP_HOST 3 +#define MEF_ACTION_AUTO_ARP 0x10 +#define NXPWIFI_CRITERIA_BROADCAST BIT(0) +#define NXPWIFI_CRITERIA_UNICAST BIT(1) +#define NXPWIFI_CRITERIA_MULTICAST BIT(3) +#define NXPWIFI_MAX_SUPPORTED_IPADDR 4 + +#define NXPWIFI_DEF_CS_UNIT_TIME 2 +#define NXPWIFI_DEF_CS_THR_OTHERLINK 10 +#define NXPWIFI_DEF_THR_DIRECTLINK 0 +#define NXPWIFI_DEF_CS_TIME 10 +#define NXPWIFI_DEF_CS_TIMEOUT 16 +#define NXPWIFI_DEF_CS_REG_CLASS 12 +#define NXPWIFI_DEF_CS_PERIODICITY 1 + +#define NXPWIFI_FW_V15 15 + +#define NXPWIFI_MASTER_RADAR_DET_MASK BIT(1) + +struct nxpwifi_ie_types_header { + __le16 type; + __le16 len; +} __packed; + +struct nxpwifi_ie_types_data { + struct nxpwifi_ie_types_header header; + u8 data[]; +} __packed; + +/* Generic TLV wrapper for firmware data */ +struct nxpwifi_tlv { + __le16 type; + __le16 len; + u8 data[]; +} __packed; + +#define NXPWIFI_TxPD_POWER_MGMT_NULL_PACKET 0x01 +#define NXPWIFI_TxPD_POWER_MGMT_LAST_PACKET 0x08 +#define NXPWIFI_TXPD_FLAGS_REQ_TX_STATUS 0x20 + +enum HS_WAKEUP_REASON { + NO_HSWAKEUP_REASON = 0, + BCAST_DATA_MATCHED, + MCAST_DATA_MATCHED, + UCAST_DATA_MATCHED, + MASKTABLE_EVENT_MATCHED, + NON_MASKABLE_EVENT_MATCHED, + NON_MASKABLE_CONDITION_MATCHED, + MAGIC_PATTERN_MATCHED, + CONTROL_FRAME_MATCHED, + MANAGEMENT_FRAME_MATCHED, + GTK_REKEY_FAILURE, + RESERVED +}; + +struct txpd { + u8 bss_type; + u8 bss_num; + __le16 tx_pkt_length; + __le16 tx_pkt_offset; + __le16 tx_pkt_type; + __le32 tx_control; + u8 priority; + u8 flags; + u8 pkt_delay_2ms; + u8 reserved1[2]; + u8 tx_token_id; + u8 reserved[2]; +} __packed; + +struct rxpd { + u8 bss_type; + u8 bss_num; + __le16 rx_pkt_length; + __le16 rx_pkt_offset; + __le16 rx_pkt_type; + __le16 seq_num; + u8 priority; + u8 rx_rate; + s8 snr; + s8 nf; + /* + * rate_info bit definition (FW encoded) + * + * [1:0] format + * 00 = legacy + * 01 = HT + * 10 = VHT + * 11 = HE + * + * [3:2] bandwidth + * 00 = 20 MHz + * 01 = 40 MHz + * 10 = 80 MHz + * 11 = 160 MHz + * + * [4] GI (HT/VHT) / HE GI LSB + * HT/VHT: + * 0 = LGI + * 1 = SGI + * + * HE: + * used as GI[0] + * + * [5] STBC + * 0 = no STBC + * 1 = STBC enabled + * + * [6] LDPC + * 0 = BCC + * 1 = LDPC + * + * [7] HE GI MSB + * + * HE GI encoding (combined from bit7:bit4): + * GI[1:0] = {bit7, bit4} + * + * 00 = 0.8 us + * 01 = 1.6 us + * 10 = 3.2 us + * 11 = reserved / undefined + */ + u8 rate_info; + u8 reserved[3]; + u8 flags; + u8 antenna; + /* toa_tod_tstamps: [31:0] ToA, [63:32] ToD (ns). */ + __le64 toa_tod_tstamps; + /* rx info */ + __le32 rx_info; + /* Reserved */ + u8 reserved3[8]; + u8 ta_mac[6]; + u8 reserved4[2]; +} __packed; + +struct radiotap_timestamp { + /* device timestamp */ + u64 device_timestamp; + /* accuracy */ + u16 accuracy; + /* + * unit: + * 0 milliseconds, + * 1 microseconds, + * 2 nanoseconds, + * 3-15 reserved + */ + u8 unit : 4; + /* + * position: + * 0 first bit (or symbol containing it) of MPDU - matches TSFT field + * 1 signal acquisition at start of PLCP + * 2 end of PPDU + * 3 end of MPDU (after FCS) + * 4-14 reserved + * 15 unknown or vendor/OOB defined + */ + u8 position : 4; + /* + * flags + * 0x01 32-bit counter (high 32 bits are unused) + * 0x02 accuracy known + * 0xFC reserved + */ + u8 flags; +} __packed; + +struct rxpd_extra_info { + /* flags */ + u8 flags; + /* channel.flags */ + u16 channel_flags; + /* mcs.known */ + u8 mcs_known; + /* mcs.flags */ + u8 mcs_flags; + /* vht/he sig1 */ + u32 vht_he_sig1; + /* vht/he sig2 */ + u32 vht_he_sig2; + /* HE user idx */ + u32 user_idx; + /** timestamp */ + struct radiotap_timestamp timestamp; + /** PLCP CRC Failed */ + u8 plcp_crc_failed; + u8 rssi_dbm_a; + u8 rssi_dbm_b; +} __packed; + +struct uap_txpd { + u8 bss_type; + u8 bss_num; + __le16 tx_pkt_length; + __le16 tx_pkt_offset; + __le16 tx_pkt_type; + __le32 tx_control; + u8 priority; + u8 flags; + u8 pkt_delay_2ms; + u8 reserved1[2]; + u8 tx_token_id; + u8 reserved[2]; +} __packed; + +struct uap_rxpd { + u8 bss_type; + u8 bss_num; + __le16 rx_pkt_length; + __le16 rx_pkt_offset; + __le16 rx_pkt_type; + __le16 seq_num; + u8 priority; + u8 rx_rate; + s8 snr; + s8 nf; + u8 ht_info; + u8 reserved[3]; + u8 flags; +} __packed; + +struct nxpwifi_auth { + __le16 auth_alg; + __le16 auth_transaction; + __le16 status_code; + /* possibly followed by Challenge text */ + u8 variable[]; +} __packed; + +struct nxpwifi_ieee80211_mgmt { + __le16 frame_control; + __le16 duration; + u8 da[ETH_ALEN]; + u8 sa[ETH_ALEN]; + u8 bssid[ETH_ALEN]; + __le16 seq_ctrl; + u8 addr4[ETH_ALEN]; + struct nxpwifi_auth auth; +} __packed; + +struct nxpwifi_fw_chan_stats { + u8 chan_num; + u8 bandcfg; + u8 flags; + s8 noise; + __le16 total_bss; + __le16 cca_scan_dur; + __le16 cca_busy_dur; +} __packed; + +enum nxpwifi_chan_scan_mode_bitmasks { + NXPWIFI_PASSIVE_SCAN = BIT(0), + NXPWIFI_DISABLE_CHAN_FILT = BIT(1), + NXPWIFI_HIDDEN_SSID_REPORT = BIT(4), +}; + +struct nxpwifi_chan_scan_param_set { + u8 band_cfg; + u8 chan_number; + u8 chan_scan_mode_bmap; + __le16 min_scan_time; + __le16 max_scan_time; +} __packed; + +struct nxpwifi_ie_types_chan_list_param_set { + struct nxpwifi_ie_types_header header; + struct nxpwifi_chan_scan_param_set chan_scan_param[]; +} __packed; + +struct nxpwifi_ie_types_rxba_sync { + struct nxpwifi_ie_types_header header; + u8 mac[ETH_ALEN]; + u8 tid; + u8 reserved; + __le16 seq_num; + __le16 bitmap_len; + u8 bitmap[]; +} __packed; + +struct chan_band_param_set { + u8 radio_type; + u8 chan_number; +}; + +struct nxpwifi_ie_types_chan_band_list_param_set { + struct nxpwifi_ie_types_header header; + struct chan_band_param_set chan_band_param[]; +} __packed; + +struct nxpwifi_ie_types_rates_param_set { + struct nxpwifi_ie_types_header header; + u8 rates[]; +} __packed; + +struct nxpwifi_ie_types_ssid_param_set { + struct nxpwifi_ie_types_header header; + u8 ssid[]; +} __packed; + +struct nxpwifi_ie_types_host_mlme { + struct nxpwifi_ie_types_header header; + u8 host_mlme; +} __packed; + +struct nxpwifi_ie_types_num_probes { + struct nxpwifi_ie_types_header header; + __le16 num_probes; +} __packed; + +struct nxpwifi_ie_types_repeat_count { + struct nxpwifi_ie_types_header header; + __le16 repeat_count; +} __packed; + +struct nxpwifi_ie_types_min_rssi_threshold { + struct nxpwifi_ie_types_header header; + __le16 rssi_threshold; +} __packed; + +struct nxpwifi_ie_types_bgscan_start_later { + struct nxpwifi_ie_types_header header; + __le16 start_later; +} __packed; + +struct nxpwifi_ie_types_scan_chan_gap { + struct nxpwifi_ie_types_header header; + /* time gap in TUs to be used between two consecutive channels scan */ + __le16 chan_gap; +} __packed; + +struct nxpwifi_ie_types_random_mac { + struct nxpwifi_ie_types_header header; + u8 mac[ETH_ALEN]; +} __packed; + +struct nxpwifi_ietypes_chanstats { + struct nxpwifi_ie_types_header header; + struct nxpwifi_fw_chan_stats chanstats[]; +} __packed; + +struct nxpwifi_ie_types_wildcard_ssid_params { + struct nxpwifi_ie_types_header header; + u8 max_ssid_length; + u8 ssid[]; +} __packed; + +#define TSF_DATA_SIZE 8 +struct nxpwifi_ie_types_tsf_timestamp { + struct nxpwifi_ie_types_header header; + u8 tsf_data[]; +} __packed; + +struct nxpwifi_cf_param_set { + u8 cfp_cnt; + u8 cfp_period; + __le16 cfp_max_duration; + __le16 cfp_duration_remaining; +} __packed; + +struct nxpwifi_ibss_param_set { + __le16 atim_window; +} __packed; + +struct nxpwifi_ie_types_ss_param_set { + struct nxpwifi_ie_types_header header; + union { + struct nxpwifi_cf_param_set cf_param_set[1]; + struct nxpwifi_ibss_param_set ibss_param_set[1]; + } cf_ibss; +} __packed; + +struct nxpwifi_fh_param_set { + __le16 dwell_time; + u8 hop_set; + u8 hop_pattern; + u8 hop_index; +} __packed; + +struct nxpwifi_ds_param_set { + u8 current_chan; +} __packed; + +struct nxpwifi_ie_types_phy_param_set { + struct nxpwifi_ie_types_header header; + union { + struct nxpwifi_fh_param_set fh_param_set[1]; + struct nxpwifi_ds_param_set ds_param_set[1]; + } fh_ds; +} __packed; + +struct nxpwifi_ie_types_auth_type { + struct nxpwifi_ie_types_header header; + __le16 auth_type; +} __packed; + +struct nxpwifi_ie_types_vendor_param_set { + struct nxpwifi_ie_types_header header; + u8 ie[NXPWIFI_MAX_VSIE_LEN]; +}; + +#define NXPWIFI_AUTHTYPE_SAE 6 + +struct nxpwifi_ie_types_sae_pwe_mode { + struct nxpwifi_ie_types_header header; + u8 pwe[]; +} __packed; + +struct nxpwifi_ie_types_rsn_param_set { + struct nxpwifi_ie_types_header header; + u8 rsn_ie[]; +} __packed; + +#define KEYPARAMSET_FIXED_LEN 6 + +#define IGTK_PN_LEN 8 + +struct nxpwifi_cmac_param { + u8 ipn[IGTK_PN_LEN]; + u8 key[WLAN_KEY_LEN_AES_CMAC]; +} __packed; + +struct nxpwifi_wep_param { + __le16 key_len; + u8 key[WLAN_KEY_LEN_WEP104]; +} __packed; + +struct nxpwifi_tkip_param { + u8 pn[WPA_PN_SIZE]; + __le16 key_len; + u8 key[WLAN_KEY_LEN_TKIP]; +} __packed; + +struct nxpwifi_aes_param { + u8 pn[WPA_PN_SIZE]; + __le16 key_len; + u8 key[WLAN_KEY_LEN_CCMP_256]; +} __packed; + +struct nxpwifi_cmac_aes_param { + u8 ipn[IGTK_PN_LEN]; + __le16 key_len; + u8 key[WLAN_KEY_LEN_AES_CMAC]; +} __packed; + +struct nxpwifi_gmac_aes_param { + u8 ipn[IGTK_PN_LEN]; + __le16 key_len; + u8 key[WLAN_KEY_LEN_BIP_GMAC_256]; +} __packed; + +struct nxpwifi_ie_type_key_param_set { + __le16 type; + __le16 len; + u8 mac_addr[ETH_ALEN]; + u8 key_idx; + u8 key_type; + __le16 key_info; + union { + struct nxpwifi_wep_param wep; + struct nxpwifi_tkip_param tkip; + struct nxpwifi_aes_param aes; + struct nxpwifi_cmac_aes_param cmac_aes; + struct nxpwifi_gmac_aes_param gmac_aes; + } key_params; +} __packed; + +struct host_cmd_ds_802_11_key_material { + __le16 action; + struct nxpwifi_ie_type_key_param_set key_param_set; +} __packed; + +struct host_cmd_ds_gen { + __le16 command; + __le16 size; + __le16 seq_num; + __le16 result; +}; + +#define S_DS_GEN sizeof(struct host_cmd_ds_gen) + +enum sleep_resp_ctrl { + RESP_NOT_NEEDED = 0, + RESP_NEEDED, +}; + +struct nxpwifi_ps_param { + __le16 null_pkt_interval; + __le16 multiple_dtims; + __le16 bcn_miss_timeout; + __le16 local_listen_interval; + __le16 reserved; + __le16 mode; + __le16 delay_to_ps; +} __packed; + +#define HS_DEF_WAKE_INTERVAL 100 +#define HS_DEF_INACTIVITY_TIMEOUT 50 + +struct nxpwifi_ps_param_in_hs { + struct nxpwifi_ie_types_header header; + __le32 hs_wake_int; + __le32 hs_inact_timeout; +} __packed; + +#define BITMAP_AUTO_DS 0x01 +#define BITMAP_STA_PS 0x10 + +struct nxpwifi_ie_types_auto_ds_param { + struct nxpwifi_ie_types_header header; + __le16 deep_sleep_timeout; +} __packed; + +struct nxpwifi_ie_types_ps_param { + struct nxpwifi_ie_types_header header; + struct nxpwifi_ps_param param; +} __packed; + +struct host_cmd_ds_802_11_ps_mode_enh { + __le16 action; + + union { + struct nxpwifi_ps_param opt_ps; + __le16 ps_bitmap; + } params; +} __packed; + +enum API_VER_ID { + KEY_API_VER_ID = 1, + FW_API_VER_ID = 2, + UAP_FW_API_VER_ID = 3, + CHANRPT_API_VER_ID = 4, + FW_HOTFIX_VER_ID = 5, +}; + +struct hw_spec_api_rev { + struct nxpwifi_ie_types_header header; + __le16 api_id; + u8 major_ver; + u8 minor_ver; +} __packed; + +struct hw_spec_max_conn { + struct nxpwifi_ie_types_header header; + u8 reserved; + u8 max_sta_conn; +} __packed; + +struct hw_spec_extension { + struct nxpwifi_ie_types_header header; + u8 ext_id; + u8 tlv[]; +} __packed; + +/* HE MAC Capabilities Information field BIT 1 for TWT Req */ +#define HE_MAC_CAP_TWT_REQ_SUPPORT BIT(1) +/* HE MAC Capabilities Information field BIT 2 for TWT Resp*/ +#define HE_MAC_CAP_TWT_RESP_SUPPORT BIT(2) + +struct nxpwifi_ie_types_he_cap { + struct nxpwifi_ie_types_header header; + u8 ext_id; + u8 he_mac_cap[6]; + u8 he_phy_cap[11]; + __le16 rx_mcs_80; + __le16 tx_mcs_80; + __le16 rx_mcs_160; + __le16 tx_mcs_160; + __le16 rx_mcs_80p80; + __le16 tx_mcs_80p80; + u8 val[20]; +} __packed; + +struct nxpwifi_ie_types_he_op { + struct nxpwifi_ie_types_header header; + u8 ext_id; + __le16 he_op_param1; + u8 he_op_param2; + u8 bss_color_info; + __le16 basic_he_mcs_nss; + u8 option[9]; +} __packed; + +struct hw_spec_secure_boot_uuid { + struct nxpwifi_ie_types_header header; + __le64 uuid_lo; + __le64 uuid_hi; +} __packed; + +struct hw_spec_fw_cap_info { + struct nxpwifi_ie_types_header header; + __le32 fw_cap_info; + __le32 fw_cap_ext; +} __packed; + +/* NXP proprietary region codes reported by firmware via GET_HW_SPEC. + * These values are stored in the device OTP/calibration data and + * correspond to regulatory domains used for channel/power table selection. + */ +enum nxpwifi_region_code { + NXPWIFI_REGION_WORLD = 0x00, + NXPWIFI_REGION_FCC = 0x10, /* US, Canada-like */ + NXPWIFI_REGION_IC = 0x20, /* Canada */ + NXPWIFI_REGION_ETSI = 0x30, /* Europe */ + NXPWIFI_REGION_SPAIN = 0x31, + NXPWIFI_REGION_FRANCE = 0x32, + NXPWIFI_REGION_JAPAN = 0x40, + NXPWIFI_REGION_JAPAN1 = 0x41, + NXPWIFI_REGION_CHINA = 0x50, +}; + +struct host_cmd_ds_get_hw_spec { + __le16 hw_if_version; + __le16 version; + __le16 reserved; + __le16 num_of_mcast_adr; + u8 permanent_addr[ETH_ALEN]; + __le16 region_code; + __le16 number_of_antenna; + __le32 fw_release_number; + __le32 hw_dev_cap; + __le32 reserved_1; + __le32 reserved_2; + __le32 fw_cap_info; + __le32 dot_11n_dev_cap; + u8 dev_mcs_support; + __le16 mp_end_port; /* SDIO only, reserved for other interfaces */ + __le16 mgmt_buf_count; /* mgmt element buffer count */ + __le32 reserved_3; + __le32 reserved_4; + __le32 dot_11ac_dev_cap; + __le32 dot_11ac_mcs_support; + u8 tlv[]; +} __packed; + +struct host_cmd_ds_802_11_rssi_info { + __le16 action; + __le16 ndata; + __le16 nbcn; + __le16 reserved[9]; + long long reserved_1; +} __packed; + +struct host_cmd_ds_802_11_rssi_info_rsp { + __le16 action; + __le16 ndata; + __le16 nbcn; + __le16 data_rssi_last; + __le16 data_nf_last; + __le16 data_rssi_avg; + __le16 data_nf_avg; + __le16 bcn_rssi_last; + __le16 bcn_nf_last; + __le16 bcn_rssi_avg; + __le16 bcn_nf_avg; + long long tsf_bcn; +} __packed; + +struct host_cmd_ds_802_11_mac_address { + __le16 action; + u8 mac_addr[ETH_ALEN]; +} __packed; + +struct host_cmd_ds_mac_control { + __le32 action; +}; + +struct host_cmd_ds_mac_multicast_adr { + __le16 action; + __le16 num_of_adrs; + u8 mac_list[NXPWIFI_MAX_MULTICAST_LIST_SIZE][ETH_ALEN]; +} __packed; + +struct host_cmd_ds_802_11_deauthenticate { + u8 mac_addr[ETH_ALEN]; + __le16 reason_code; +} __packed; + +struct host_cmd_ds_802_11_associate { + u8 peer_sta_addr[ETH_ALEN]; + __le16 cap_info_bitmap; + __le16 listen_interval; + __le16 beacon_period; + u8 dtim_period; +} __packed; + +struct ieee_types_assoc_rsp { + __le16 cap_info_bitmap; + __le16 status_code; + __le16 a_id; + u8 ie_buffer[]; +} __packed; + +struct host_cmd_ds_802_11_associate_rsp { + struct ieee_types_assoc_rsp assoc_rsp; +} __packed; + +struct ieee_types_cf_param_set { + u8 element_id; + u8 len; + u8 cfp_cnt; + u8 cfp_period; + __le16 cfp_max_duration; + __le16 cfp_duration_remaining; +} __packed; + +struct ieee_types_fh_param_set { + u8 element_id; + u8 len; + __le16 dwell_time; + u8 hop_set; + u8 hop_pattern; + u8 hop_index; +} __packed; + +struct ieee_types_ds_param_set { + u8 element_id; + u8 len; + u8 current_chan; +} __packed; + +union ieee_types_phy_param_set { + struct ieee_types_fh_param_set fh_param_set; + struct ieee_types_ds_param_set ds_param_set; +} __packed; + +struct ieee_types_oper_mode_ntf { + u8 element_id; + u8 len; + u8 oper_mode; +} __packed; + +struct host_cmd_ds_802_11_get_log { + __le32 mcast_tx_frame; + __le32 failed; + __le32 retry; + __le32 multi_retry; + __le32 frame_dup; + __le32 rts_success; + __le32 rts_failure; + __le32 ack_failure; + __le32 rx_frag; + __le32 mcast_rx_frame; + __le32 fcs_error; + __le32 tx_frame; + __le32 reserved; + __le32 wep_icv_err_cnt[4]; + __le32 bcn_rcv_cnt; + __le32 bcn_miss_cnt; +} __packed; + +/* Enumeration for rate format */ +enum nxpwifi_rate_format { + NXPWIFI_RATE_FORMAT_LG = 0, + NXPWIFI_RATE_FORMAT_HT, + NXPWIFI_RATE_FORMAT_VHT, + NXPWIFI_RATE_FORMAT_HE, + NXPWIFI_RATE_FORMAT_AUTO = 0xFF, +}; + +struct host_cmd_ds_tx_rate_query { + u8 tx_rate; + /* + * Tx Rate Info: For 802.11 AC cards + * + * [Bit 0-1] tx rate format: LG = 0, HT = 1, VHT = 2 + * [Bit 2-3] HT/VHT Bandwidth: BW20 = 0, BW40 = 1, BW80 = 2, BW160 = 3 + * [Bit 4] HT/VHT Guard Interval: LGI = 0, SGI = 1 + * + * For non-802.11 AC cards + * Ht Info [Bit 0] RxRate format: LG=0, HT=1 + * [Bit 1] HT Bandwidth: BW20 = 0, BW40 = 1 + * [Bit 2] HT Guard Interval: LGI = 0, SGI = 1 + */ + u8 ht_info; +} __packed; + +struct nxpwifi_tx_pause_tlv { + struct nxpwifi_ie_types_header header; + u8 peermac[ETH_ALEN]; + u8 tx_pause; + u8 pkt_cnt; +} __packed; + +enum host_sleep_action { + HS_CONFIGURE = 0x0001, + HS_ACTIVATE = 0x0002, +}; + +struct nxpwifi_hs_config_param { + __le32 conditions; + u8 gpio; + u8 gap; +} __packed; + +struct hs_activate_param { + __le16 resp_ctrl; +} __packed; + +struct host_cmd_ds_802_11_hs_cfg_enh { + __le16 action; + + union { + struct nxpwifi_hs_config_param hs_config; + struct hs_activate_param hs_activate; + } params; +} __packed; + +enum SNMP_MIB_INDEX { + OP_RATE_SET_I = 1, + DTIM_PERIOD_I = 3, + RTS_THRESH_I = 5, + SHORT_RETRY_LIM_I = 6, + LONG_RETRY_LIM_I = 7, + FRAG_THRESH_I = 8, + DOT11D_I = 9, + DOT11H_I = 10, +}; + +enum nxpwifi_assocmd_failurepoint { + NXPWIFI_ASSOC_CMD_SUCCESS = 0, + NXPWIFI_ASSOC_CMD_FAILURE_ASSOC, + NXPWIFI_ASSOC_CMD_FAILURE_AUTH, + NXPWIFI_ASSOC_CMD_FAILURE_JOIN +}; + +#define MAX_SNMP_BUF_SIZE 128 + +struct host_cmd_ds_802_11_snmp_mib { + __le16 query_type; + __le16 oid; + __le16 buf_size; + u8 value[]; +} __packed; + +struct nxpwifi_rate_scope { + __le16 type; + __le16 length; + __le16 hr_dsss_rate_bitmap; + __le16 ofdm_rate_bitmap; + __le16 ht_mcs_rate_bitmap[8]; + __le16 vht_mcs_rate_bitmap[8]; +} __packed; + +struct nxpwifi_rate_drop_pattern { + __le16 type; + __le16 length; + __le32 rate_drop_mode; +} __packed; + +struct host_cmd_ds_tx_rate_cfg { + __le16 action; + __le16 cfg_index; +} __packed; + +struct nxpwifi_power_group { + u8 modulation_class; + u8 first_rate_code; + u8 last_rate_code; + s8 power_step; + s8 power_min; + s8 power_max; + u8 ht_bandwidth; + u8 reserved; +} __packed; + +struct nxpwifi_types_power_group { + __le16 type; + __le16 length; +} __packed; + +struct host_cmd_ds_txpwr_cfg { + __le16 action; + __le16 cfg_index; + __le32 mode; +} __packed; + +struct host_cmd_ds_rf_tx_pwr { + __le16 action; + __le16 cur_level; + u8 max_power; + u8 min_power; +} __packed; + +struct host_cmd_ds_rf_ant_mimo { + __le16 action_tx; + __le16 tx_ant_mode; + __le16 action_rx; + __le16 rx_ant_mode; +} __packed; + +struct host_cmd_ds_rf_ant_siso { + __le16 action; + __le16 ant_mode; +} __packed; + +#define BAND_CFG_CHAN_BAND_MASK 0x03 +#define BAND_CFG_CHAN_BAND_SHIFT_BIT 0 +#define BAND_CFG_CHAN_WIDTH_MASK 0x0C +#define BAND_CFG_CHAN_WIDTH_SHIFT_BIT 2 +#define BAND_CFG_CHAN2_OFFSET_MASK 0x30 +#define BAND_CFG_CHAN2_SHIFT_BIT 4 + +struct nxpwifi_chan_desc { + __le16 start_freq; + u8 band_cfg; + u8 chan_num; +} __packed; + +struct host_cmd_ds_chan_rpt_req { + struct nxpwifi_chan_desc chan_desc; + __le32 msec_dwell_time; +} __packed; + +struct host_cmd_ds_chan_rpt_event { + __le32 result; + __le64 start_tsf; + __le32 duration; + u8 tlvbuf[]; +} __packed; + +struct host_cmd_sdio_sp_rx_aggr_cfg { + u8 action; + u8 enable; + __le16 block_size; +} __packed; + +struct nxpwifi_fixed_bcn_param { + __le64 timestamp; + __le16 beacon_period; + __le16 cap_info_bitmap; +} __packed; + +struct nxpwifi_event_scan_result { + __le16 event_id; + u8 bss_index; + u8 bss_type; + u8 more_event; + u8 reserved[3]; + __le16 buf_size; + u8 num_of_set; +} __packed; + +struct tx_status_event { + u8 packet_type; + u8 tx_token_id; + u8 status; +} __packed; + +#define NXPWIFI_USER_SCAN_CHAN_MAX 50 + +#define NXPWIFI_MAX_SSID_LIST_LENGTH 10 + +struct nxpwifi_scan_cmd_config { + /* BSS mode to be sent in the firmware command */ + u8 bss_mode; + + /* Specific BSSID used to filter scan results in the firmware */ + u8 specific_bssid[ETH_ALEN]; + + /* Length of TLVs sent in command starting at tlvBuffer */ + u32 tlv_buf_len; + + /* + * SSID TLV(s) and ChanList TLVs to be sent in the firmware command + * + * TLV_TYPE_CHANLIST, nxpwifi_ie_types_chan_list_param_set + * WLAN_EID_SSID, nxpwifi_ie_types_ssid_param_set + */ + u8 tlv_buf[]; /* SSID TLV(s) and ChanList TLVs are stored here */ +} __packed; + +struct nxpwifi_user_scan_chan { + u8 chan_number; + u8 radio_type; + u8 scan_type; + u8 reserved; + u32 scan_time; +} __packed; + +struct nxpwifi_user_scan_cfg { + /* BSS mode to be sent in the firmware command */ + u8 bss_mode; + /* Configure the number of probe requests for active chan scans */ + u8 num_probes; + u8 reserved; + /* BSSID filter sent in the firmware command to limit the results */ + u8 specific_bssid[ETH_ALEN]; + /* SSID filter list used in the firmware to limit the scan results */ + struct cfg80211_ssid *ssid_list; + u8 num_ssids; + /* Variable number (fixed maximum) of channels to scan up */ + struct nxpwifi_user_scan_chan chan_list[NXPWIFI_USER_SCAN_CHAN_MAX]; + u16 scan_chan_gap; + u8 random_mac[ETH_ALEN]; +} __packed; + +#define NXPWIFI_BG_SCAN_CHAN_MAX 38 +#define NXPWIFI_BSS_MODE_INFRA 1 +#define NXPWIFI_BGSCAN_ACT_GET 0x0000 +#define NXPWIFI_BGSCAN_ACT_SET 0x0001 +#define NXPWIFI_BGSCAN_ACT_SET_ALL 0xff01 +/** ssid match */ +#define NXPWIFI_BGSCAN_SSID_MATCH 0x0001 +/** ssid match and RSSI exceeded */ +#define NXPWIFI_BGSCAN_SSID_RSSI_MATCH 0x0004 +/**wait for all channel scan to complete to report scan result*/ +#define NXPWIFI_BGSCAN_WAIT_ALL_CHAN_DONE 0x80000000 + +struct nxpwifi_bg_scan_cfg { + u16 action; + u8 enable; + u8 bss_type; + u8 chan_per_scan; + u32 scan_interval; + u32 report_condition; + u8 num_probes; + u8 rssi_threshold; + u8 snr_threshold; + u16 repeat_count; + u16 start_later; + struct cfg80211_match_set *ssid_list; + u8 num_ssids; + struct nxpwifi_user_scan_chan chan_list[NXPWIFI_BG_SCAN_CHAN_MAX]; + u16 scan_chan_gap; +} __packed; + +struct ie_body { + u8 grp_key_oui[4]; + u8 ptk_cnt[2]; + u8 ptk_body[4]; +} __packed; + +struct host_cmd_ds_802_11_scan { + u8 bss_mode; + u8 bssid[ETH_ALEN]; + u8 tlv_buffer[]; +} __packed; + +struct host_cmd_ds_802_11_scan_rsp { + __le16 bss_descript_size; + u8 number_of_sets; + u8 bss_desc_and_tlv_buffer[]; +} __packed; + +struct host_cmd_ds_802_11_scan_ext { + u32 reserved; + u8 tlv_buffer[]; +} __packed; + +struct nxpwifi_ie_types_bss_mode { + struct nxpwifi_ie_types_header header; + u8 bss_mode; +} __packed; + +struct nxpwifi_ie_types_scan_rsp { + struct nxpwifi_ie_types_header header; + u8 bssid[ETH_ALEN]; + u8 frame_body[]; +} __packed; + +struct nxpwifi_ie_types_scan_inf { + struct nxpwifi_ie_types_header header; + __le16 rssi; + __le16 anpi; + u8 cca_busy_fraction; + u8 radio_type; + u8 channel; + u8 reserved; + __le64 tsf; +} __packed; + +struct host_cmd_ds_802_11_bg_scan_config { + __le16 action; + u8 enable; + u8 bss_type; + u8 chan_per_scan; + u8 reserved; + __le16 reserved1; + __le32 scan_interval; + __le32 reserved2; + __le32 report_condition; + __le16 reserved3; + u8 tlv[]; +} __packed; + +struct host_cmd_ds_802_11_bg_scan_query { + u8 flush; +} __packed; + +struct host_cmd_ds_802_11_bg_scan_query_rsp { + __le32 report_condition; + struct host_cmd_ds_802_11_scan_rsp scan_resp; +} __packed; + +struct nxpwifi_ietypes_domain_code { + struct nxpwifi_ie_types_header header; + u8 domain_code; + u8 reserved; +} __packed; + +struct nxpwifi_ietypes_domain_param_set { + struct nxpwifi_ie_types_header header; + u8 country_code[IEEE80211_COUNTRY_STRING_LEN]; + struct ieee80211_country_ie_triplet triplet[]; +} __packed; + +struct host_cmd_ds_802_11d_domain_info { + __le16 action; + struct nxpwifi_ietypes_domain_param_set domain; +} __packed; + +struct host_cmd_ds_802_11d_domain_info_rsp { + __le16 action; + struct nxpwifi_ietypes_domain_param_set domain; +} __packed; + +struct host_cmd_ds_11n_addba_req { + u8 add_req_result; + u8 peer_mac_addr[ETH_ALEN]; + u8 dialog_token; + __le16 block_ack_param_set; + __le16 block_ack_tmo; + __le16 ssn; +} __packed; + +struct host_cmd_ds_11n_addba_rsp { + u8 add_rsp_result; + u8 peer_mac_addr[ETH_ALEN]; + u8 dialog_token; + __le16 status_code; + __le16 block_ack_param_set; + __le16 block_ack_tmo; + __le16 ssn; +} __packed; + +struct host_cmd_ds_11n_delba { + u8 del_result; + u8 peer_mac_addr[ETH_ALEN]; + __le16 del_ba_param_set; + __le16 reason_code; + u8 reserved; +} __packed; + +struct host_cmd_ds_11n_batimeout { + u8 tid; + u8 peer_mac_addr[ETH_ALEN]; + u8 origninator; +} __packed; + +struct host_cmd_ds_11n_cfg { + __le16 action; + __le16 ht_tx_cap; + __le16 ht_tx_info; + __le16 misc_config; /* Needed for 802.11AC cards only */ +} __packed; + +struct host_cmd_ds_txbuf_cfg { + __le16 action; + __le16 buff_size; + __le16 mp_end_port; /* SDIO only, reserved for other interfaces */ + __le16 reserved3; +} __packed; + +struct host_cmd_ds_amsdu_aggr_ctrl { + __le16 action; + __le16 enable; + __le16 curr_buf_size; +} __packed; + +struct host_cmd_ds_sta_deauth { + u8 mac[ETH_ALEN]; + __le16 reason; +} __packed; + +struct nxpwifi_ie_types_sta_info { + struct nxpwifi_ie_types_header header; + u8 mac[ETH_ALEN]; + u8 power_mfg_status; + s8 rssi; +}; + +struct host_cmd_ds_sta_list { + __le16 sta_count; + u8 tlv[]; +} __packed; + +struct nxpwifi_ie_types_pwr_capability { + struct nxpwifi_ie_types_header header; + s8 min_pwr; + s8 max_pwr; +}; + +struct nxpwifi_ie_types_local_pwr_constraint { + struct nxpwifi_ie_types_header header; + u8 chan; + u8 constraint; +}; + +struct nxpwifi_ie_types_wmm_param_set { + struct nxpwifi_ie_types_header header; + u8 wmm_ie[]; +} __packed; + +struct nxpwifi_ie_types_mgmt_frame { + struct nxpwifi_ie_types_header header; + __le16 frame_control; + u8 frame_contents[]; +}; + +struct nxpwifi_ie_types_wmm_queue_status { + struct nxpwifi_ie_types_header header; + u8 queue_index; + u8 disabled; + __le16 medium_time; + u8 flow_required; + u8 flow_created; + u32 reserved; +}; + +struct ieee_types_wmm_info { + /* + * WMM Info element - Vendor Specific Header: + * element_id [221/0xdd] + * Len [7] + * Oui [00:50:f2] + * OuiType [2] + * OuiSubType [0] + * Version [1] + */ + struct ieee80211_vendor_ie vend_hdr; + u8 oui_subtype; + u8 version; + + u8 qos_info_bitmap; +} __packed; + +struct host_cmd_ds_wmm_get_status { + u8 queue_status_tlv[sizeof(struct nxpwifi_ie_types_wmm_queue_status) * + IEEE80211_NUM_ACS]; + u8 wmm_param_tlv[sizeof(struct ieee80211_wmm_param_ie) + 2]; +} __packed; + +struct nxpwifi_wmm_ac_status { + u8 disabled; + u8 flow_required; + u8 flow_created; +}; + +struct nxpwifi_ie_types_htcap { + struct nxpwifi_ie_types_header header; + struct ieee80211_ht_cap ht_cap; +} __packed; + +struct nxpwifi_ie_types_vhtcap { + struct nxpwifi_ie_types_header header; + struct ieee80211_vht_cap vht_cap; +} __packed; + +struct nxpwifi_ie_types_aid { + struct nxpwifi_ie_types_header header; + __le16 aid; +} __packed; + +struct nxpwifi_ie_types_oper_mode_ntf { + struct nxpwifi_ie_types_header header; + u8 oper_mode; +} __packed; + +/* VHT Operations element */ +struct nxpwifi_ie_types_vht_oper { + struct nxpwifi_ie_types_header header; + u8 chan_width; + u8 chan_center_freq_1; + u8 chan_center_freq_2; + /* Basic MCS set map, each 2 bits stands for a NSS */ + __le16 basic_mcs_map; +} __packed; + +struct nxpwifi_ie_types_wmmcap { + struct nxpwifi_ie_types_header header; + struct nxpwifi_types_wmm_info wmm_info; +} __packed; + +struct nxpwifi_ie_types_htinfo { + struct nxpwifi_ie_types_header header; + struct ieee80211_ht_operation ht_oper; +} __packed; + +struct nxpwifi_ie_types_2040bssco { + struct nxpwifi_ie_types_header header; + u8 bss_co_2040; +} __packed; + +struct nxpwifi_ie_types_extcap { + struct nxpwifi_ie_types_header header; + u8 ext_capab[]; +} __packed; + +struct host_cmd_ds_mem_access { + __le16 action; + __le16 reserved; + __le32 addr; + __le32 value; +} __packed; + +struct nxpwifi_ie_types_qos_info { + struct nxpwifi_ie_types_header header; + u8 qos_info; +} __packed; + +struct host_cmd_ds_mac_reg_access { + __le16 action; + __le16 offset; + __le32 value; +} __packed; + +struct host_cmd_ds_bbp_reg_access { + __le16 action; + __le16 offset; + u8 value; + u8 reserved[3]; +} __packed; + +struct host_cmd_ds_rf_reg_access { + __le16 action; + __le16 offset; + u8 value; + u8 reserved[3]; +} __packed; + +struct host_cmd_ds_pmic_reg_access { + __le16 action; + __le16 offset; + u8 value; + u8 reserved[3]; +} __packed; + +struct host_cmd_ds_802_11_eeprom_access { + __le16 action; + + __le16 offset; + __le16 byte_count; + u8 value; +} __packed; + +struct nxpwifi_assoc_event { + u8 sta_addr[ETH_ALEN]; + __le16 type; + __le16 len; + __le16 frame_control; + __le16 cap_info; + __le16 listen_interval; + u8 data[]; +} __packed; + +struct host_cmd_ds_sys_config { + __le16 action; + u8 tlv[]; +}; + +struct host_cmd_11ac_vht_cfg { + __le16 action; + u8 band_config; + u8 misc_config; + __le32 cap_info; + __le32 mcs_tx_set; + __le32 mcs_rx_set; +} __packed; + +struct host_cmd_tlv_akmp { + struct nxpwifi_ie_types_header header; + __le16 key_mgmt; + __le16 key_mgmt_operation; +} __packed; + +struct host_cmd_tlv_pwk_cipher { + struct nxpwifi_ie_types_header header; + __le16 proto; + u8 cipher; + u8 reserved; +} __packed; + +struct host_cmd_tlv_gwk_cipher { + struct nxpwifi_ie_types_header header; + u8 cipher; + u8 reserved; +} __packed; + +struct host_cmd_tlv_passphrase { + struct nxpwifi_ie_types_header header; + u8 passphrase[]; +} __packed; + +struct host_cmd_tlv_wep_key { + struct nxpwifi_ie_types_header header; + u8 key_index; + u8 is_default; + u8 key[]; +}; + +struct host_cmd_tlv_auth_type { + struct nxpwifi_ie_types_header header; + u8 auth_type; + u8 pwe_derivation; + u8 transition_disable; +} __packed; + +struct host_cmd_tlv_encrypt_protocol { + struct nxpwifi_ie_types_header header; + __le16 proto; +} __packed; + +struct host_cmd_tlv_ssid { + struct nxpwifi_ie_types_header header; + u8 ssid[]; +} __packed; + +struct host_cmd_tlv_rates { + struct nxpwifi_ie_types_header header; + u8 rates[]; +} __packed; + +struct nxpwifi_ie_types_bssid_list { + struct nxpwifi_ie_types_header header; + u8 bssid[ETH_ALEN]; +} __packed; + +struct host_cmd_tlv_bcast_ssid { + struct nxpwifi_ie_types_header header; + u8 bcast_ctl; +} __packed; + +struct host_cmd_tlv_beacon_period { + struct nxpwifi_ie_types_header header; + __le16 period; +} __packed; + +struct host_cmd_tlv_dtim_period { + struct nxpwifi_ie_types_header header; + u8 period; +} __packed; + +struct host_cmd_tlv_frag_threshold { + struct nxpwifi_ie_types_header header; + __le16 frag_thr; +} __packed; + +struct host_cmd_tlv_rts_threshold { + struct nxpwifi_ie_types_header header; + __le16 rts_thr; +} __packed; + +struct host_cmd_tlv_retry_limit { + struct nxpwifi_ie_types_header header; + u8 limit; +} __packed; + +struct host_cmd_tlv_mac_addr { + struct nxpwifi_ie_types_header header; + u8 mac_addr[ETH_ALEN]; +} __packed; + +struct host_cmd_tlv_channel_band { + struct nxpwifi_ie_types_header header; + u8 band_config; + u8 channel; +} __packed; + +struct host_cmd_tlv_ageout_timer { + struct nxpwifi_ie_types_header header; + __le32 sta_ao_timer; +} __packed; + +struct host_cmd_tlv_power_constraint { + struct nxpwifi_ie_types_header header; + u8 constraint; +} __packed; + +struct nxpwifi_ie_types_btcoex_scan_time { + struct nxpwifi_ie_types_header header; + u8 coex_scan; + u8 reserved; + __le16 min_scan_time; + __le16 max_scan_time; +} __packed; + +struct nxpwifi_ie_types_btcoex_aggr_win_size { + struct nxpwifi_ie_types_header header; + u8 coex_win_size; + u8 tx_win_size; + u8 rx_win_size; + u8 reserved; +} __packed; + +struct nxpwifi_ie_types_robust_coex { + struct nxpwifi_ie_types_header header; + __le32 mode; +} __packed; + +#define NXPWIFI_VERSION_STR_LENGTH 128 + +struct host_cmd_ds_version_ext { + u8 version_str_sel; + char version_str[NXPWIFI_VERSION_STR_LENGTH]; +} __packed; + +struct host_cmd_ds_mgmt_frame_reg { + __le16 action; + __le32 mask; +} __packed; + +struct host_cmd_ds_remain_on_chan { + __le16 action; + u8 status; + u8 reserved; + u8 band_cfg; + u8 channel; + __le32 duration; +} __packed; + +struct host_cmd_ds_802_11_ibss_status { + __le16 action; + __le16 enable; + u8 bssid[ETH_ALEN]; + __le16 beacon_interval; + __le16 atim_window; + __le16 use_g_rate_protect; +} __packed; + +struct nxpwifi_fw_mef_entry { + u8 mode; + u8 action; + __le16 exprsize; + u8 expr[]; +} __packed; + +struct host_cmd_ds_mef_cfg { + __le32 criteria; + __le16 num_entries; + u8 mef_entry_data[]; +} __packed; + +#define CONNECTION_TYPE_INFRA 0 +#define CONNECTION_TYPE_AP 2 + +struct host_cmd_ds_set_bss_mode { + u8 con_type; +} __packed; + +struct host_cmd_ds_pcie_details { + /* TX buffer descriptor ring address */ + __le32 txbd_addr_lo; + __le32 txbd_addr_hi; + /* TX buffer descriptor ring count */ + __le32 txbd_count; + + /* RX buffer descriptor ring address */ + __le32 rxbd_addr_lo; + __le32 rxbd_addr_hi; + /* RX buffer descriptor ring count */ + __le32 rxbd_count; + + /* Event buffer descriptor ring address */ + __le32 evtbd_addr_lo; + __le32 evtbd_addr_hi; + /* Event buffer descriptor ring count */ + __le32 evtbd_count; + + /* Sleep cookie buffer physical address */ + __le32 sleep_cookie_addr_lo; + __le32 sleep_cookie_addr_hi; +} __packed; + +struct nxpwifi_ie_types_rssi_threshold { + struct nxpwifi_ie_types_header header; + u8 abs_value; + u8 evt_freq; +} __packed; + +#define NXPWIFI_DFS_REC_HDR_LEN 8 +#define NXPWIFI_DFS_REC_HDR_NUM 10 +#define NXPWIFI_BIN_COUNTER_LEN 7 + +struct nxpwifi_radar_det_event { + __le32 detect_count; + u8 reg_domain; /*1=fcc, 2=etsi, 3=mic*/ + u8 det_type; /*0=none, 1=pw(chirp), 2=pri(radar)*/ + __le16 pw_chirp_type; + u8 pw_chirp_idx; + u8 pw_value; + u8 pri_radar_type; + u8 pri_bincnt; + u8 bin_counter[NXPWIFI_BIN_COUNTER_LEN]; + u8 num_dfs_records; + u8 dfs_record_hdr[NXPWIFI_DFS_REC_HDR_NUM][NXPWIFI_DFS_REC_HDR_LEN]; + __le32 passed; +} __packed; + +struct nxpwifi_ie_types_multi_chan_info { + struct nxpwifi_ie_types_header header; + __le16 status; + u8 tlv_buffer[]; +} __packed; + +struct nxpwifi_ie_types_mc_group_info { + struct nxpwifi_ie_types_header header; + u8 chan_group_id; + u8 chan_buf_weight; + u8 band_config; + u8 chan_num; + __le32 chan_time; + __le32 reserved; + union { + u8 sdio_func_num; + u8 usb_ep_num; + } hid_num; + u8 intf_num; + u8 bss_type_numlist[]; +} __packed; + +#define MEAS_RPT_MAP_RADAR_MASK 0x08 +#define MEAS_RPT_MAP_RADAR_SHIFT_BIT 3 + +struct nxpwifi_ie_types_chan_rpt_data { + struct nxpwifi_ie_types_header header; + u8 meas_rpt_map; +} __packed; + +struct host_cmd_ds_802_11_subsc_evt { + __le16 action; + __le16 events; +} __packed; + +struct chan_switch_result { + u8 cur_chan; + u8 status; + u8 reason; +} __packed; + +struct nxpwifi_ie { + __le16 ie_index; + __le16 mgmt_subtype_mask; + __le16 ie_length; + u8 ie_buffer[IEEE_MAX_IE_SIZE]; +} __packed; + +#define MAX_MGMT_IE_INDEX 16 +struct nxpwifi_ie_list { + __le16 type; + __le16 len; + struct nxpwifi_ie ie_list[MAX_MGMT_IE_INDEX]; +} __packed; + +struct coalesce_filt_field_param { + u8 operation; + u8 operand_len; + __le16 offset; + u8 operand_byte_stream[4]; +}; + +struct coalesce_receive_filt_rule { + struct nxpwifi_ie_types_header header; + u8 num_of_fields; + u8 pkt_type; + __le16 max_coalescing_delay; + struct coalesce_filt_field_param params[]; +} __packed; + +struct host_cmd_ds_coalesce_cfg { + __le16 action; + __le16 num_of_rules; + u8 rule_data[]; +} __packed; + +struct host_cmd_ds_multi_chan_policy { + __le16 action; + __le16 policy; +} __packed; + +struct host_cmd_ds_robust_coex { + __le16 action; + __le16 reserved; +} __packed; + +struct host_cmd_ds_wakeup_reason { + __le16 wakeup_reason; +} __packed; + +struct host_cmd_ds_gtk_rekey_params { + __le16 action; + u8 kck[NL80211_KCK_LEN]; + u8 kek[NL80211_KEK_LEN]; + __le32 replay_ctr_low; + __le32 replay_ctr_high; +} __packed; + +struct host_cmd_ds_chan_region_cfg { + __le16 action; +} __packed; + +struct host_cmd_ds_pkt_aggr_ctrl { + __le16 action; + __le16 enable; + __le16 tx_aggr_max_size; + __le16 tx_aggr_max_num; + __le16 tx_aggr_align; +} __packed; + +struct host_cmd_ds_sta_configure { + __le16 action; + u8 tlv_buffer[]; +} __packed; + +struct nxpwifi_ie_types_sta_flag { + struct nxpwifi_ie_types_header header; + __le32 sta_flags; +} __packed; + +struct host_cmd_ds_add_station { + __le16 action; + __le16 aid; + u8 peer_mac[ETH_ALEN]; + __le32 listen_interval; + __le16 cap_info; + u8 tlv[]; +} __packed; + +struct host_cmd_11ax_cfg { + __le16 action; + u8 band_config; + u8 tlv[]; +} __packed; + +struct host_cmd_11ax_cmd { + __le16 action; + __le16 sub_id; + u8 val[]; +} __packed; + +struct nxpwifi_802_11_net_monitor { + u32 enable_net_mon; + u32 filter_flag; + u32 band; + u32 channel; + u32 chan_bandwidth; +}; + +struct band_config { + /* Band: 00=2.4, 01=5, 10=6 GHz */ + u8 chan_band : 2; + /* Width: 00=20, 10=40, 11=80 MHz */ + u8 chan_width : 2; + /* Sec offset: 00=None, 01=Above, 11=Below */ + u8 chan_2O_ffset : 2; + /* Chan sel: 00=manual, 01=ACS, 02=Adoption */ + u8 scan_mode : 2; +} __packed; + +struct chan_band_param { + struct band_config band_cfg; + u8 chan_number; +} __packed; + +struct nxpwifi_ie_types_chan_band_list { + struct nxpwifi_ie_types_header header; + struct chan_band_param chan_band_param[]; +} __packed; + +struct host_cmd_ds_802_11_net_monitor { + __le16 action; + __le16 enable_net_mon; + __le16 filter_flag; + struct nxpwifi_ie_types_chan_band_list monitor_chan; +} __packed; + +struct host_cmd_twt_cfg { + __le16 action; + __le16 sub_id; + u8 val[]; +} __packed; + +struct host_cmd_ds_command { + __le16 command; + __le16 size; + __le16 seq_num; + __le16 result; + union { + struct host_cmd_ds_get_hw_spec hw_spec; + struct host_cmd_ds_mac_control mac_ctrl; + struct host_cmd_ds_802_11_mac_address mac_addr; + struct host_cmd_ds_mac_multicast_adr mc_addr; + struct host_cmd_ds_802_11_get_log get_log; + struct host_cmd_ds_802_11_rssi_info rssi_info; + struct host_cmd_ds_802_11_rssi_info_rsp rssi_info_rsp; + struct host_cmd_ds_802_11_snmp_mib smib; + struct host_cmd_ds_tx_rate_query tx_rate; + struct host_cmd_ds_tx_rate_cfg tx_rate_cfg; + struct host_cmd_ds_txpwr_cfg txp_cfg; + struct host_cmd_ds_rf_tx_pwr txp; + struct host_cmd_ds_rf_ant_mimo ant_mimo; + struct host_cmd_ds_rf_ant_siso ant_siso; + struct host_cmd_ds_802_11_ps_mode_enh psmode_enh; + struct host_cmd_ds_802_11_hs_cfg_enh opt_hs_cfg; + struct host_cmd_ds_802_11_scan scan; + struct host_cmd_ds_802_11_scan_ext ext_scan; + struct host_cmd_ds_802_11_scan_rsp scan_resp; + struct host_cmd_ds_802_11_bg_scan_config bg_scan_config; + struct host_cmd_ds_802_11_bg_scan_query bg_scan_query; + struct host_cmd_ds_802_11_bg_scan_query_rsp bg_scan_query_resp; + struct host_cmd_ds_802_11_associate associate; + struct host_cmd_ds_802_11_associate_rsp associate_rsp; + struct host_cmd_ds_802_11_deauthenticate deauth; + struct host_cmd_ds_802_11d_domain_info domain_info; + struct host_cmd_ds_802_11d_domain_info_rsp domain_info_resp; + struct host_cmd_ds_11n_addba_req add_ba_req; + struct host_cmd_ds_11n_addba_rsp add_ba_rsp; + struct host_cmd_ds_11n_delba del_ba; + struct host_cmd_ds_txbuf_cfg tx_buf; + struct host_cmd_ds_amsdu_aggr_ctrl amsdu_aggr_ctrl; + struct host_cmd_ds_11n_cfg htcfg; + struct host_cmd_ds_wmm_get_status get_wmm_status; + struct host_cmd_ds_802_11_key_material key_material; + struct host_cmd_ds_version_ext verext; + struct host_cmd_ds_mgmt_frame_reg reg_mask; + struct host_cmd_ds_remain_on_chan roc_cfg; + struct host_cmd_ds_802_11_ibss_status ibss_coalescing; + struct host_cmd_ds_mef_cfg mef_cfg; + struct host_cmd_ds_mem_access mem; + struct host_cmd_ds_mac_reg_access mac_reg; + struct host_cmd_ds_bbp_reg_access bbp_reg; + struct host_cmd_ds_rf_reg_access rf_reg; + struct host_cmd_ds_pmic_reg_access pmic_reg; + struct host_cmd_ds_set_bss_mode bss_mode; + struct host_cmd_ds_pcie_details pcie_host_spec; + struct host_cmd_ds_802_11_eeprom_access eeprom; + struct host_cmd_ds_802_11_subsc_evt subsc_evt; + struct host_cmd_ds_sys_config uap_sys_config; + struct host_cmd_ds_sta_deauth sta_deauth; + struct host_cmd_ds_sta_list sta_list; + struct host_cmd_11ac_vht_cfg vht_cfg; + struct host_cmd_ds_coalesce_cfg coalesce_cfg; + struct host_cmd_ds_chan_rpt_req chan_rpt_req; + struct host_cmd_sdio_sp_rx_aggr_cfg sdio_rx_aggr_cfg; + struct host_cmd_ds_multi_chan_policy mc_policy; + struct host_cmd_ds_robust_coex coex; + struct host_cmd_ds_wakeup_reason hs_wakeup_reason; + struct host_cmd_ds_gtk_rekey_params rekey; + struct host_cmd_ds_chan_region_cfg reg_cfg; + struct host_cmd_ds_pkt_aggr_ctrl pkt_aggr_ctrl; + struct host_cmd_ds_sta_configure sta_cfg; + struct host_cmd_ds_add_station sta_info; + struct host_cmd_11ax_cfg ax_cfg; + struct host_cmd_11ax_cmd ax_cmd; + struct host_cmd_ds_802_11_net_monitor net_mon; + struct host_cmd_twt_cfg twt_cfg; + } params; +} __packed; + +struct nxpwifi_opt_sleep_confirm { + __le16 command; + __le16 size; + __le16 seq_num; + __le16 result; + __le16 action; + __le16 resp_ctrl; +} __packed; + +#define VDLL_IND_TYPE_REQ 0 +#define VDLL_IND_TYPE_OFFSET 1 +#define VDLL_IND_TYPE_ERR_SIG 2 +#define VDLL_IND_TYPE_ERR_ID 3 +#define VDLL_IND_TYPE_SEC_ERR_ID 4 +#define VDLL_IND_TYPE_INTF_RESET 5 + +struct vdll_ind_event { + __le16 type; + __le16 vdll_id; + __le32 offset; + __le16 block_len; +} __packed; +#endif /* !_NXPWIFI_FW_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/ie.c b/drivers/net/wireless/nxp/nxpwifi/ie.c new file mode 100644 index 000000000000..158755c0c905 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/ie.c @@ -0,0 +1,480 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: management element handling - set/delete elements. + * + * Copyright 2011-2024 NXP + */ + +#include "main.h" +#include "cmdevt.h" + +/* Return true if the IE index is used by another interface. */ +static bool +nxpwifi_ie_index_used_by_other_intf(struct nxpwifi_private *priv, u16 idx) +{ + int i; + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ie *ie; + + for (i = 0; i < adapter->priv_num; i++) { + if (adapter->priv[i] != priv) { + ie = &adapter->priv[i]->mgmt_ie[idx]; + if (ie->mgmt_subtype_mask && ie->ie_length) + return true; + } + } + + return false; +} + +/* Pick an unused IE index for a new element. */ +static int +nxpwifi_ie_get_autoidx(struct nxpwifi_private *priv, u16 subtype_mask, + struct nxpwifi_ie *ie, u16 *index) +{ + u16 mask, len, i; + + for (i = 0; i < priv->adapter->max_mgmt_ie_index; i++) { + mask = le16_to_cpu(priv->mgmt_ie[i].mgmt_subtype_mask); + len = le16_to_cpu(ie->ie_length); + + if (mask == NXPWIFI_AUTO_IDX_MASK) + continue; + + if (mask == subtype_mask) { + if (len > IEEE_MAX_IE_SIZE) + continue; + + *index = i; + return 0; + } + + if (!priv->mgmt_ie[i].ie_length) { + if (nxpwifi_ie_index_used_by_other_intf(priv, i)) + continue; + + *index = i; + return 0; + } + } + + return -ENOENT; +} + +/* Build IE list and resolve AUTO index before sending to FW. */ +static int +nxpwifi_update_autoindex_ies(struct nxpwifi_private *priv, + struct nxpwifi_ie_list *ie_list) +{ + u16 travel_len, index, mask; + s16 input_len, tlv_len; + struct nxpwifi_ie *ie; + u8 *tmp; + + input_len = le16_to_cpu(ie_list->len); + travel_len = sizeof(struct nxpwifi_ie_types_header); + + ie_list->len = 0; + + while (input_len >= sizeof(struct nxpwifi_ie_types_header)) { + ie = (struct nxpwifi_ie *)(((u8 *)ie_list) + travel_len); + tlv_len = le16_to_cpu(ie->ie_length); + travel_len += tlv_len + NXPWIFI_IE_HDR_SIZE; + + if (input_len < tlv_len + NXPWIFI_IE_HDR_SIZE) + return -EINVAL; + index = le16_to_cpu(ie->ie_index); + mask = le16_to_cpu(ie->mgmt_subtype_mask); + + if (index == NXPWIFI_AUTO_IDX_MASK) { + /* automatic addition */ + if (nxpwifi_ie_get_autoidx(priv, mask, ie, &index)) + return -ENOENT; + if (index == NXPWIFI_AUTO_IDX_MASK) + return -EINVAL; + + tmp = (u8 *)&priv->mgmt_ie[index].ie_buffer; + memcpy(tmp, &ie->ie_buffer, le16_to_cpu(ie->ie_length)); + priv->mgmt_ie[index].ie_length = ie->ie_length; + priv->mgmt_ie[index].ie_index = cpu_to_le16(index); + priv->mgmt_ie[index].mgmt_subtype_mask = + cpu_to_le16(mask); + + ie->ie_index = cpu_to_le16(index); + } else { + if (mask != NXPWIFI_DELETE_MASK) + return -EINVAL; + /* + * Check if this index is being used on any + * other interface. + */ + if (nxpwifi_ie_index_used_by_other_intf(priv, index)) + return -EPERM; + + ie->ie_length = 0; + memcpy(&priv->mgmt_ie[index], ie, + sizeof(struct nxpwifi_ie)); + } + + le16_unaligned_add_cpu + (&ie_list->len, + le16_to_cpu(priv->mgmt_ie[index].ie_length) + + NXPWIFI_IE_HDR_SIZE); + input_len -= tlv_len + NXPWIFI_IE_HDR_SIZE; + } + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) + return nxpwifi_send_cmd(priv, HOST_CMD_UAP_SYS_CONFIG, + HOST_ACT_GEN_SET, + UAP_CUSTOM_IE_I, ie_list, true); + + return 0; +} + +/* Pack beacon/probe/assoc IEs into one list and update auto-assigned indices. */ +static int +nxpwifi_update_uap_custom_ie(struct nxpwifi_private *priv, + struct nxpwifi_ie *beacon_ie, u16 *beacon_idx, + struct nxpwifi_ie *pr_ie, u16 *probe_idx, + struct nxpwifi_ie *ar_ie, u16 *assoc_idx) +{ + struct nxpwifi_ie_list *ap_custom_ie; + u8 *pos; + u16 len; + int ret; + + ap_custom_ie = kzalloc_obj(*ap_custom_ie, GFP_KERNEL); + if (!ap_custom_ie) + return -ENOMEM; + + ap_custom_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE); + pos = (u8 *)ap_custom_ie->ie_list; + + if (beacon_ie) { + len = sizeof(struct nxpwifi_ie) - IEEE_MAX_IE_SIZE + + le16_to_cpu(beacon_ie->ie_length); + memcpy(pos, beacon_ie, len); + pos += len; + le16_unaligned_add_cpu(&ap_custom_ie->len, len); + } + if (pr_ie) { + len = sizeof(struct nxpwifi_ie) - IEEE_MAX_IE_SIZE + + le16_to_cpu(pr_ie->ie_length); + memcpy(pos, pr_ie, len); + pos += len; + le16_unaligned_add_cpu(&ap_custom_ie->len, len); + } + if (ar_ie) { + len = sizeof(struct nxpwifi_ie) - IEEE_MAX_IE_SIZE + + le16_to_cpu(ar_ie->ie_length); + memcpy(pos, ar_ie, len); + pos += len; + le16_unaligned_add_cpu(&ap_custom_ie->len, len); + } + + ret = nxpwifi_update_autoindex_ies(priv, ap_custom_ie); + + pos = (u8 *)(&ap_custom_ie->ie_list[0].ie_index); + if (beacon_ie && *beacon_idx == NXPWIFI_AUTO_IDX_MASK) { + /* save beacon element index after auto-indexing */ + *beacon_idx = le16_to_cpu(ap_custom_ie->ie_list[0].ie_index); + len = sizeof(*beacon_ie) - IEEE_MAX_IE_SIZE + + le16_to_cpu(beacon_ie->ie_length); + pos += len; + } + if (pr_ie && le16_to_cpu(pr_ie->ie_index) == NXPWIFI_AUTO_IDX_MASK) { + /* save probe resp element index after auto-indexing */ + *probe_idx = *((u16 *)pos); + len = sizeof(*pr_ie) - IEEE_MAX_IE_SIZE + + le16_to_cpu(pr_ie->ie_length); + pos += len; + } + if (ar_ie && le16_to_cpu(ar_ie->ie_index) == NXPWIFI_AUTO_IDX_MASK) + /* save assoc resp element index after auto-indexing */ + *assoc_idx = *((u16 *)pos); + + kfree(ap_custom_ie); + return ret; +} + +/* Append vendor IE (if present) into nxpwifi_ie, allocating as needed. */ +static int nxpwifi_update_vs_ie(const u8 *ies, int ies_len, + struct nxpwifi_ie **ie_ptr, u16 mask, + unsigned int oui, u8 oui_type) +{ + struct element *vs_ie; + struct nxpwifi_ie *ie = *ie_ptr; + const u8 *vendor_ie; + + vendor_ie = cfg80211_find_vendor_ie(oui, oui_type, ies, ies_len); + if (vendor_ie) { + if (!*ie_ptr) { + *ie_ptr = kzalloc_obj(struct nxpwifi_ie, GFP_KERNEL); + if (!*ie_ptr) + return -ENOMEM; + ie = *ie_ptr; + } + + vs_ie = (struct element *)vendor_ie; + if (le16_to_cpu(ie->ie_length) + vs_ie->datalen + 2 > + IEEE_MAX_IE_SIZE) + return -EINVAL; + memcpy(ie->ie_buffer + le16_to_cpu(ie->ie_length), + vs_ie, vs_ie->datalen + 2); + le16_unaligned_add_cpu(&ie->ie_length, vs_ie->datalen + 2); + ie->mgmt_subtype_mask = cpu_to_le16(mask); + ie->ie_index = cpu_to_le16(NXPWIFI_AUTO_IDX_MASK); + } + + *ie_ptr = ie; + return 0; +} + +/* Parse beacon/probe/assoc IEs from cfg80211 and push them to FW. */ +static int nxpwifi_set_mgmt_beacon_data_ies(struct nxpwifi_private *priv, + struct cfg80211_beacon_data *data) +{ + struct nxpwifi_ie *beacon_ie = NULL, *pr_ie = NULL, *ar_ie = NULL; + u16 beacon_idx = NXPWIFI_AUTO_IDX_MASK, pr_idx = NXPWIFI_AUTO_IDX_MASK; + u16 ar_idx = NXPWIFI_AUTO_IDX_MASK; + int ret = 0; + + if (data->beacon_ies && data->beacon_ies_len) { + nxpwifi_update_vs_ie(data->beacon_ies, data->beacon_ies_len, + &beacon_ie, MGMT_MASK_BEACON, + WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPS); + nxpwifi_update_vs_ie(data->beacon_ies, data->beacon_ies_len, + &beacon_ie, MGMT_MASK_BEACON, + WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P); + } + + if (data->proberesp_ies && data->proberesp_ies_len) { + nxpwifi_update_vs_ie(data->proberesp_ies, + data->proberesp_ies_len, &pr_ie, + MGMT_MASK_PROBE_RESP, WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPS); + nxpwifi_update_vs_ie(data->proberesp_ies, + data->proberesp_ies_len, &pr_ie, + MGMT_MASK_PROBE_RESP, + WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P); + } + + if (data->assocresp_ies && data->assocresp_ies_len) { + nxpwifi_update_vs_ie(data->assocresp_ies, + data->assocresp_ies_len, &ar_ie, + MGMT_MASK_ASSOC_RESP | + MGMT_MASK_REASSOC_RESP, + WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPS); + nxpwifi_update_vs_ie(data->assocresp_ies, + data->assocresp_ies_len, &ar_ie, + MGMT_MASK_ASSOC_RESP | + MGMT_MASK_REASSOC_RESP, WLAN_OUI_WFA, + WLAN_OUI_TYPE_WFA_P2P); + } + + if (beacon_ie || pr_ie || ar_ie) { + ret = nxpwifi_update_uap_custom_ie(priv, beacon_ie, + &beacon_idx, pr_ie, + &pr_idx, ar_ie, &ar_idx); + if (ret) + goto done; + } + + priv->beacon_idx = beacon_idx; + priv->proberesp_idx = pr_idx; + priv->assocresp_idx = ar_idx; + +done: + kfree(beacon_ie); + kfree(pr_ie); + kfree(ar_ie); + + return ret; +} + +/* Parse head/tail IEs from cfg80211_beacon_data and send them to FW. */ +static int nxpwifi_uap_parse_tail_ies(struct nxpwifi_private *priv, + struct cfg80211_beacon_data *info) +{ + struct nxpwifi_ie *gen_ie; + struct element *hdr; + struct ieee80211_vendor_ie *vendorhdr; + u16 gen_idx = NXPWIFI_AUTO_IDX_MASK, ie_len = 0; + int left_len, parsed_len = 0; + unsigned int token_len; + int ret = 0; + + if (!info->tail || !info->tail_len) + return 0; + + gen_ie = kzalloc_obj(*gen_ie, GFP_KERNEL); + if (!gen_ie) + return -ENOMEM; + + left_len = info->tail_len; + + /* Skip IEs generated by FW from bss configuration to avoid duplicates. */ + while (left_len > sizeof(struct element)) { + hdr = (void *)(info->tail + parsed_len); + token_len = hdr->datalen + sizeof(struct element); + if (token_len > left_len) { + ret = -EINVAL; + goto done; + } + + switch (hdr->id) { + case WLAN_EID_SSID: + case WLAN_EID_SUPP_RATES: + case WLAN_EID_COUNTRY: + case WLAN_EID_PWR_CONSTRAINT: + case WLAN_EID_ERP_INFO: + case WLAN_EID_EXT_SUPP_RATES: + case WLAN_EID_HT_CAPABILITY: + case WLAN_EID_HT_OPERATION: + case WLAN_EID_VHT_CAPABILITY: + break; + case WLAN_EID_VENDOR_SPECIFIC: + /* Skip only Microsoft WMM element */ + if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WMM, + (const u8 *)hdr, + token_len)) + break; + fallthrough; + default: + if (ie_len + token_len > IEEE_MAX_IE_SIZE) { + ret = -EINVAL; + goto done; + } + memcpy(gen_ie->ie_buffer + ie_len, hdr, token_len); + ie_len += token_len; + break; + } + left_len -= token_len; + parsed_len += token_len; + } + + /* + * parse only WPA vendor element from tail, WMM element is configured by + * bss_config command + */ + vendorhdr = (void *)cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPA, + info->tail, info->tail_len); + if (vendorhdr) { + token_len = vendorhdr->len + sizeof(struct element); + if (ie_len + token_len > IEEE_MAX_IE_SIZE) { + ret = -EINVAL; + goto done; + } + memcpy(gen_ie->ie_buffer + ie_len, vendorhdr, token_len); + ie_len += token_len; + } + + if (!ie_len) + goto done; + + gen_ie->ie_index = cpu_to_le16(gen_idx); + gen_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_BEACON | + MGMT_MASK_PROBE_RESP | + MGMT_MASK_ASSOC_RESP); + gen_ie->ie_length = cpu_to_le16(ie_len); + + ret = nxpwifi_update_uap_custom_ie(priv, gen_ie, &gen_idx, NULL, + NULL, NULL, NULL); + + if (ret) + goto done; + + priv->gen_idx = gen_idx; + + done: + kfree(gen_ie); + return ret; +} + +/* Parse head/tail/beacon/probe/assoc IEs and program the FW. */ +int nxpwifi_set_mgmt_ies(struct nxpwifi_private *priv, + struct cfg80211_beacon_data *info) +{ + int ret; + + ret = nxpwifi_uap_parse_tail_ies(priv, info); + + if (ret) + return ret; + + return nxpwifi_set_mgmt_beacon_data_ies(priv, info); +} + +/* Remove previously set management IEs. */ +int nxpwifi_del_mgmt_ies(struct nxpwifi_private *priv) +{ + struct nxpwifi_ie *beacon_ie = NULL, *pr_ie = NULL; + struct nxpwifi_ie *ar_ie = NULL, *gen_ie = NULL; + int ret = 0; + + if (priv->gen_idx != NXPWIFI_AUTO_IDX_MASK) { + gen_ie = kmalloc_obj(*gen_ie, GFP_KERNEL); + if (!gen_ie) + return -ENOMEM; + + gen_ie->ie_index = cpu_to_le16(priv->gen_idx); + gen_ie->mgmt_subtype_mask = cpu_to_le16(NXPWIFI_DELETE_MASK); + gen_ie->ie_length = 0; + ret = nxpwifi_update_uap_custom_ie(priv, gen_ie, &priv->gen_idx, + NULL, &priv->proberesp_idx, + NULL, &priv->assocresp_idx); + if (ret) + goto done; + + priv->gen_idx = NXPWIFI_AUTO_IDX_MASK; + } + + if (priv->beacon_idx != NXPWIFI_AUTO_IDX_MASK) { + beacon_ie = kmalloc_obj(*beacon_ie, GFP_KERNEL); + if (!beacon_ie) { + ret = -ENOMEM; + goto done; + } + beacon_ie->ie_index = cpu_to_le16(priv->beacon_idx); + beacon_ie->mgmt_subtype_mask = cpu_to_le16(NXPWIFI_DELETE_MASK); + beacon_ie->ie_length = 0; + } + if (priv->proberesp_idx != NXPWIFI_AUTO_IDX_MASK) { + pr_ie = kmalloc_obj(*pr_ie, GFP_KERNEL); + if (!pr_ie) { + ret = -ENOMEM; + goto done; + } + pr_ie->ie_index = cpu_to_le16(priv->proberesp_idx); + pr_ie->mgmt_subtype_mask = cpu_to_le16(NXPWIFI_DELETE_MASK); + pr_ie->ie_length = 0; + } + if (priv->assocresp_idx != NXPWIFI_AUTO_IDX_MASK) { + ar_ie = kmalloc_obj(*ar_ie, GFP_KERNEL); + if (!ar_ie) { + ret = -ENOMEM; + goto done; + } + ar_ie->ie_index = cpu_to_le16(priv->assocresp_idx); + ar_ie->mgmt_subtype_mask = cpu_to_le16(NXPWIFI_DELETE_MASK); + ar_ie->ie_length = 0; + } + + if (beacon_ie || pr_ie || ar_ie) + ret = nxpwifi_update_uap_custom_ie(priv, + beacon_ie, &priv->beacon_idx, + pr_ie, &priv->proberesp_idx, + ar_ie, &priv->assocresp_idx); + +done: + kfree(gen_ie); + kfree(beacon_ie); + kfree(pr_ie); + kfree(ar_ie); + + return ret; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/init.c b/drivers/net/wireless/nxp/nxpwifi/init.c new file mode 100644 index 000000000000..b128fc9fe31a --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/init.c @@ -0,0 +1,607 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: HW/FW initialization + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" + +/* Add a BSS priority node to the adapter list. */ +static int nxpwifi_add_bss_prio_tbl(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_bss_prio_node *bss_prio; + struct nxpwifi_bss_prio_tbl *tbl = adapter->bss_prio_tbl; + + bss_prio = kzalloc_obj(*bss_prio, GFP_KERNEL); + if (!bss_prio) + return -ENOMEM; + + bss_prio->priv = priv; + INIT_LIST_HEAD(&bss_prio->list); + + spin_lock_bh(&tbl[priv->bss_priority].bss_prio_lock); + list_add_tail(&bss_prio->list, &tbl[priv->bss_priority].bss_prio_head); + spin_unlock_bh(&tbl[priv->bss_priority].bss_prio_lock); + + return 0; +} + +static void wakeup_timer_fn(struct timer_list *t) +{ + struct nxpwifi_adapter *adapter = timer_container_of(adapter, t, wakeup_timer); + + nxpwifi_dbg(adapter, ERROR, "Firmware wakeup failed\n"); + adapter->hw_status = NXPWIFI_HW_STATUS_RESET; + nxpwifi_cancel_all_pending_cmd(adapter); + + if (adapter->if_ops.card_reset) + adapter->if_ops.card_reset(adapter); +} + +/* Initialize priv defaults and lists. */ +int nxpwifi_init_priv(struct nxpwifi_private *priv) +{ + u32 i; + + priv->media_connected = false; + eth_broadcast_addr(priv->curr_addr); + priv->port_open = false; + priv->usb_port = NXPWIFI_USB_EP_DATA; + priv->pkt_tx_ctrl = 0; + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + priv->data_rate = 0; /* Initially indicate the rate as auto */ + priv->is_data_rate_auto = true; + priv->bcn_avg_factor = DEFAULT_BCN_AVG_FACTOR; + priv->data_avg_factor = DEFAULT_DATA_AVG_FACTOR; + + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + + priv->sec_info.wep_enabled = 0; + priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; + priv->sec_info.encryption_mode = 0; + for (i = 0; i < ARRAY_SIZE(priv->wep_key); i++) + memset(&priv->wep_key[i], 0, sizeof(struct nxpwifi_wep_key)); + priv->wep_key_curr_index = 0; + priv->curr_pkt_filter = HOST_ACT_MAC_DYNAMIC_BW_ENABLE | + HOST_ACT_MAC_RX_ON | HOST_ACT_MAC_TX_ON | + HOST_ACT_MAC_ETHERNETII_ENABLE; + + priv->beacon_period = 100; /* beacon interval */ + priv->attempted_bss_desc = NULL; + memset(&priv->curr_bss_params, 0, sizeof(priv->curr_bss_params)); + priv->listen_interval = NXPWIFI_DEFAULT_LISTEN_INTERVAL; + + memset(&priv->prev_ssid, 0, sizeof(priv->prev_ssid)); + memset(&priv->prev_bssid, 0, sizeof(priv->prev_bssid)); + memset(&priv->assoc_rsp_buf, 0, sizeof(priv->assoc_rsp_buf)); + priv->assoc_rsp_size = 0; + priv->atim_window = 0; + priv->tx_power_level = 0; + priv->max_tx_power_level = 0; + priv->min_tx_power_level = 0; + priv->tx_ant = 0; + priv->rx_ant = 0; + priv->tx_rate = 0; + priv->rxpd_htinfo = 0; + priv->rxpd_rate = 0; + priv->rate_bitmap = 0; + priv->data_rssi_last = 0; + priv->data_rssi_avg = 0; + priv->data_nf_avg = 0; + priv->data_nf_last = 0; + priv->bcn_rssi_last = 0; + priv->bcn_rssi_avg = 0; + priv->bcn_nf_avg = 0; + priv->bcn_nf_last = 0; + memset(&priv->wpa_ie, 0, sizeof(priv->wpa_ie)); + memset(&priv->aes_key, 0, sizeof(priv->aes_key)); + priv->wpa_ie_len = 0; + priv->wpa_is_gtk_set = false; + + memset(&priv->assoc_tlv_buf, 0, sizeof(priv->assoc_tlv_buf)); + priv->assoc_tlv_buf_len = 0; + memset(&priv->wps, 0, sizeof(priv->wps)); + memset(&priv->gen_ie_buf, 0, sizeof(priv->gen_ie_buf)); + priv->gen_ie_buf_len = 0; + memset(priv->vs_ie, 0, sizeof(priv->vs_ie)); + + priv->wmm_required = true; + priv->wmm_enabled = false; + priv->wmm_qosinfo = 0; + priv->curr_bcn_buf = NULL; + priv->curr_bcn_size = 0; + priv->wps_ie = NULL; + priv->wps_ie_len = 0; + priv->ap_11n_enabled = 0; + memset(&priv->roc_cfg, 0, sizeof(priv->roc_cfg)); + + priv->scan_block = false; + + priv->csa_chan = 0; + priv->csa_expire_time = 0; + priv->del_list_idx = 0; + priv->hs2_enabled = false; + nxpwifi_wmm_init_tos_to_tid_inv(priv); + + nxpwifi_init_11h_params(priv); + + return nxpwifi_add_bss_prio_tbl(priv); +} + +/* Allocate command buffer and sleep-confirm skb. */ +static int nxpwifi_allocate_adapter(struct nxpwifi_adapter *adapter) +{ + int ret; + + /* Allocate command buffer */ + ret = nxpwifi_alloc_cmd_buffer(adapter); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "%s: failed to alloc cmd buffer\n", + __func__); + return ret; + } + + adapter->sleep_cfm = + dev_alloc_skb(sizeof(struct nxpwifi_opt_sleep_confirm) + + INTF_HEADER_LEN); + + if (!adapter->sleep_cfm) { + nxpwifi_dbg(adapter, ERROR, + "%s: failed to alloc sleep cfm\t" + " cmd buffer\n", __func__); + return -ENOMEM; + } + skb_reserve(adapter->sleep_cfm, INTF_HEADER_LEN); + + return 0; +} + +/* Initialize adapter defaults and WMM parameters. */ +static void nxpwifi_init_adapter(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_opt_sleep_confirm *sleep_cfm_buf = NULL; + + skb_put(adapter->sleep_cfm, sizeof(struct nxpwifi_opt_sleep_confirm)); + + adapter->cmd_sent = false; + adapter->data_sent = true; + + adapter->intf_hdr_len = INTF_HEADER_LEN; + + adapter->cmd_resp_received = false; + adapter->event_received = false; + adapter->data_received = false; + adapter->assoc_resp_received = false; + adapter->priv_link_lost = NULL; + adapter->host_mlme_link_lost = false; + + clear_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags); + + adapter->hw_status = NXPWIFI_HW_STATUS_INITIALIZING; + + adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_CAM; + adapter->ps_state = PS_STATE_AWAKE; + adapter->need_to_wakeup = false; + + adapter->scan_mode = HOST_BSS_MODE_ANY; + adapter->specific_scan_time = NXPWIFI_SPECIFIC_SCAN_CHAN_TIME; + adapter->active_scan_time = NXPWIFI_ACTIVE_SCAN_CHAN_TIME; + adapter->passive_scan_time = NXPWIFI_PASSIVE_SCAN_CHAN_TIME; + adapter->scan_chan_gap_time = NXPWIFI_DEF_SCAN_CHAN_GAP_TIME; + + adapter->scan_probes = 1; + + adapter->multiple_dtim = 1; + + /* default value in firmware will be used */ + adapter->local_listen_interval = 0; + + adapter->is_deep_sleep = false; + + adapter->delay_null_pkt = false; + adapter->delay_to_ps = 1000; + adapter->enhanced_ps_mode = PS_MODE_AUTO; + + /* Disable NULL Pkg generation by default */ + adapter->gen_null_pkt = false; + /* Disable pps/uapsd mode by default */ + adapter->pps_uapsd_mode = false; + adapter->pm_wakeup_card_req = false; + + adapter->pm_wakeup_fw_try = false; + + adapter->curr_tx_buf_size = NXPWIFI_TX_DATA_BUF_SIZE_2K; + + clear_bit(NXPWIFI_IS_HS_CONFIGURED, &adapter->work_flags); + adapter->hs_cfg.conditions = cpu_to_le32(HS_CFG_COND_DEF); + adapter->hs_cfg.gpio = HS_CFG_GPIO_DEF; + adapter->hs_cfg.gap = HS_CFG_GAP_DEF; + adapter->hs_activated = false; + + memset(adapter->event_body, 0, sizeof(adapter->event_body)); + adapter->hw_dot_11n_dev_cap = 0; + adapter->hw_dev_mcs_support = 0; + adapter->sec_chan_offset = 0; + + nxpwifi_wmm_init(adapter); + atomic_set(&adapter->tx_hw_pending, 0); + + sleep_cfm_buf = (struct nxpwifi_opt_sleep_confirm *) + adapter->sleep_cfm->data; + memset(sleep_cfm_buf, 0, adapter->sleep_cfm->len); + sleep_cfm_buf->command = cpu_to_le16(HOST_CMD_802_11_PS_MODE_ENH); + sleep_cfm_buf->size = cpu_to_le16(adapter->sleep_cfm->len); + sleep_cfm_buf->result = 0; + sleep_cfm_buf->action = cpu_to_le16(SLEEP_CONFIRM); + sleep_cfm_buf->resp_ctrl = cpu_to_le16(RESP_NEEDED); + + memset(&adapter->sleep_period, 0, sizeof(adapter->sleep_period)); + adapter->tx_lock_flag = false; + adapter->null_pkt_interval = 0; + adapter->fw_bands = 0; + adapter->fw_release_number = 0; + adapter->fw_cap_info = 0; + memset(&adapter->upld_buf, 0, sizeof(adapter->upld_buf)); + adapter->event_cause = 0; + adapter->region_code = 0; + adapter->bcn_miss_time_out = DEFAULT_BCN_MISS_TIMEOUT; + memset(&adapter->arp_filter, 0, sizeof(adapter->arp_filter)); + adapter->arp_filter_size = 0; + adapter->max_mgmt_ie_index = MAX_MGMT_IE_INDEX; + adapter->key_api_major_ver = 0; + adapter->key_api_minor_ver = 0; + eth_broadcast_addr(adapter->perm_addr); + adapter->iface_limit.sta_intf = NXPWIFI_MAX_STA_NUM; + adapter->iface_limit.uap_intf = NXPWIFI_MAX_UAP_NUM; + adapter->active_scan_triggered = false; + timer_setup(&adapter->wakeup_timer, wakeup_timer_fn, 0); + adapter->devdump_len = 0; + memset(&adapter->vdll_ctrl, 0, sizeof(adapter->vdll_ctrl)); + adapter->vdll_ctrl.skb = dev_alloc_skb(NXPWIFI_SIZE_OF_CMD_BUFFER); + atomic_set(&adapter->iface_changing, 0); +} + +/* Update trans_start for each Tx queue. */ +void nxpwifi_set_trans_start(struct net_device *dev) +{ + int i; + + for (i = 0; i < dev->num_tx_queues; i++) + txq_trans_cond_update(netdev_get_tx_queue(dev, i)); + + netif_trans_update(dev); +} + +/* Wake all netdev Tx queues. */ +void nxpwifi_wake_up_net_dev_queue(struct net_device *netdev, + struct nxpwifi_adapter *adapter) +{ + spin_lock_bh(&adapter->queue_lock); + netif_tx_wake_all_queues(netdev); + spin_unlock_bh(&adapter->queue_lock); +} + +/* Stop all netdev Tx queues. */ +void nxpwifi_stop_net_dev_queue(struct net_device *netdev, + struct nxpwifi_adapter *adapter) +{ + spin_lock_bh(&adapter->queue_lock); + netif_tx_stop_all_queues(netdev); + spin_unlock_bh(&adapter->queue_lock); +} + +/* Invalidate list heads. */ +static void nxpwifi_invalidate_lists(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + s32 i, j; + + list_del(&adapter->cmd_free_q); + list_del(&adapter->cmd_pending_q); + list_del(&adapter->scan_pending_q); + + for (i = 0; i < adapter->priv_num; i++) + list_del(&adapter->bss_prio_tbl[i].bss_prio_head); + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + for (j = 0; j < MAX_NUM_TID; ++j) { + list_del(&priv->wmm.tid_tbl_ptr[j].ra_list); + list_del(&priv->tx_ba_stream_tbl_ptr[j]); + list_del(&priv->rx_reorder_tbl_ptr[j]); + } + list_del(&priv->sta_list); + } +} + +/* Cancel pending work, stop timers, and free adapter buffers. */ +static void +nxpwifi_adapter_cleanup(struct nxpwifi_adapter *adapter) +{ + timer_delete(&adapter->wakeup_timer); + nxpwifi_cancel_all_pending_cmd(adapter); + wake_up_interruptible(&adapter->cmd_wait_q.wait); + wake_up_interruptible(&adapter->hs_activate_wait_q); + if (adapter->vdll_ctrl.vdll_mem) { + vfree(adapter->vdll_ctrl.vdll_mem); + adapter->vdll_ctrl.vdll_mem = NULL; + adapter->vdll_ctrl.vdll_len = 0; + } + if (adapter->vdll_ctrl.skb) { + dev_kfree_skb_any(adapter->vdll_ctrl.skb); + adapter->vdll_ctrl.skb = NULL; + } +} + +void nxpwifi_free_cmd_buffers(struct nxpwifi_adapter *adapter) +{ + nxpwifi_invalidate_lists(adapter); + + /* Free command buffer */ + nxpwifi_dbg(adapter, INFO, "info: free cmd buffer\n"); + nxpwifi_free_cmd_buffer(adapter); + + if (adapter->sleep_cfm) + dev_kfree_skb_any(adapter->sleep_cfm); +} + +/* Initialize locks and list heads. */ +void nxpwifi_init_lock_list(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + s32 i, j; + + spin_lock_init(&adapter->int_lock); + spin_lock_init(&adapter->nxpwifi_cmd_lock); + spin_lock_init(&adapter->queue_lock); + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + spin_lock_init(&priv->wmm.ra_list_spinlock); + spin_lock_init(&priv->curr_bcn_buf_lock); + spin_lock_init(&priv->sta_list_spinlock); + } + + /* Initialize cmd_free_q */ + INIT_LIST_HEAD(&adapter->cmd_free_q); + /* Initialize cmd_pending_q */ + INIT_LIST_HEAD(&adapter->cmd_pending_q); + /* Initialize scan_pending_q */ + INIT_LIST_HEAD(&adapter->scan_pending_q); + + spin_lock_init(&adapter->cmd_free_q_lock); + spin_lock_init(&adapter->cmd_pending_q_lock); + spin_lock_init(&adapter->scan_pending_q_lock); + + skb_queue_head_init(&adapter->rx_mlme_q); + skb_queue_head_init(&adapter->rx_data_q); + skb_queue_head_init(&adapter->tx_data_q); + + for (i = 0; i < adapter->priv_num; ++i) { + INIT_LIST_HEAD(&adapter->bss_prio_tbl[i].bss_prio_head); + spin_lock_init(&adapter->bss_prio_tbl[i].bss_prio_lock); + } + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + for (j = 0; j < MAX_NUM_TID; ++j) { + INIT_LIST_HEAD(&priv->wmm.tid_tbl_ptr[j].ra_list); + INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr[j]); + INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr[j]); + spin_lock_init(&priv->tx_ba_stream_tbl_lock[j]); + spin_lock_init(&priv->rx_reorder_tbl_lock[j]); + } + INIT_LIST_HEAD(&priv->sta_list); + skb_queue_head_init(&priv->bypass_txq); + + spin_lock_init(&priv->ack_status_lock); + xa_init_flags(&priv->ack_status_frames, XA_FLAGS_ALLOC); + } +} + +/* Init firmware: alloc resources, init adapter/privs, send STA init. */ +int nxpwifi_init_fw(struct nxpwifi_adapter *adapter) +{ + int ret; + struct nxpwifi_private *priv; + u8 i; + bool first_sta = true; + + adapter->hw_status = NXPWIFI_HW_STATUS_INITIALIZING; + + /* Allocate memory for member of adapter structure */ + ret = nxpwifi_allocate_adapter(adapter); + if (ret) + return ret; + + /* Initialize adapter structure */ + nxpwifi_init_adapter(adapter); + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + + /* Initialize private structure */ + ret = nxpwifi_init_priv(priv); + if (ret) + return ret; + } + + for (i = 0; i < adapter->priv_num; i++) { + ret = nxpwifi_sta_init_cmd(adapter->priv[i], + first_sta, true); + if (ret) + return ret; + + first_sta = false; + } + spin_lock_bh(&adapter->cmd_pending_q_lock); + WARN_ON(!list_empty(&adapter->cmd_pending_q)); + spin_unlock_bh(&adapter->cmd_pending_q_lock); + adapter->hw_status = NXPWIFI_HW_STATUS_READY; + + return 0; +} + +/* Remove all BSS priority nodes for this priv. */ +static void nxpwifi_delete_bss_prio_tbl(struct nxpwifi_private *priv) +{ + int i; + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_bss_prio_node *bssprio_node, *tmp_node; + struct list_head *head; + spinlock_t *lock; /* bss priority lock */ + + for (i = 0; i < adapter->priv_num; ++i) { + head = &adapter->bss_prio_tbl[i].bss_prio_head; + lock = &adapter->bss_prio_tbl[i].bss_prio_lock; + nxpwifi_dbg(adapter, INFO, + "info: delete BSS priority table,\t" + "bss_type = %d, bss_num = %d, i = %d,\t" + "head = %p\n", + priv->bss_type, priv->bss_num, i, head); + + { + spin_lock_bh(lock); + list_for_each_entry_safe(bssprio_node, tmp_node, head, + list) { + if (bssprio_node->priv == priv) { + nxpwifi_dbg(adapter, INFO, + "info: Delete\t" + "node %p, next = %p\n", + bssprio_node, tmp_node); + list_del(&bssprio_node->list); + kfree(bssprio_node); + } + } + spin_unlock_bh(lock); + } + } +} + +/* Free per-priv resources and BSS priority entries. */ +void nxpwifi_free_priv(struct nxpwifi_private *priv) +{ + nxpwifi_clean_txrx(priv); + nxpwifi_delete_bss_prio_tbl(priv); + nxpwifi_free_curr_bcn(priv); +} + +/* Shutdown driver: stop work, drain queues, free resources. */ +void +nxpwifi_shutdown_drv(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + s32 i; + struct sk_buff *skb; + + /* nxpwifi already shutdown */ + if (adapter->hw_status == NXPWIFI_HW_STATUS_NOT_READY) + return; + + /* cancel current command */ + if (adapter->curr_cmd) { + nxpwifi_dbg(adapter, WARN, + "curr_cmd is still in processing\n"); + timer_delete_sync(&adapter->cmd_timer); + nxpwifi_recycle_cmd_node(adapter, adapter->curr_cmd); + adapter->curr_cmd = NULL; + } + + /* shut down nxpwifi */ + nxpwifi_dbg(adapter, MSG, + "info: shutdown nxpwifi...\n"); + + /* Clean up Tx/Rx queues and delete BSS priority table */ + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + + nxpwifi_abort_cac(priv); + nxpwifi_free_priv(priv); + } + + atomic_set(&adapter->tx_queued, 0); + while ((skb = skb_dequeue(&adapter->tx_data_q))) + nxpwifi_write_data_complete(adapter, skb, 0, 0); + + while ((skb = skb_dequeue(&adapter->rx_mlme_q))) + dev_kfree_skb_any(skb); + + while ((skb = skb_dequeue(&adapter->rx_data_q))) { + struct nxpwifi_rxinfo *rx_info = NXPWIFI_SKB_RXCB(skb); + + atomic_dec(&adapter->rx_pending); + priv = adapter->priv[rx_info->bss_num]; + if (priv) + priv->stats.rx_dropped++; + + dev_kfree_skb_any(skb); + } + + nxpwifi_adapter_cleanup(adapter); + + adapter->hw_status = NXPWIFI_HW_STATUS_NOT_READY; +} + +/* Download FW if needed; check winner and wait until ready. */ +int nxpwifi_dnld_fw(struct nxpwifi_adapter *adapter, + struct nxpwifi_fw_image *pmfw) +{ + int ret; + u32 poll_num = 1; + + /* check if firmware is already running */ + ret = adapter->if_ops.check_fw_status(adapter, poll_num); + if (!ret) { + nxpwifi_dbg(adapter, MSG, + "WLAN FW already running! Skip FW dnld\n"); + return 0; + } + + /* check if we are the winner for downloading FW */ + if (adapter->if_ops.check_winner_status) { + adapter->winner = 0; + ret = adapter->if_ops.check_winner_status(adapter); + + poll_num = MAX_FIRMWARE_POLL_TRIES; + if (ret) { + nxpwifi_dbg(adapter, MSG, + "WLAN read winner status failed!\n"); + return ret; + } + + if (!adapter->winner) { + nxpwifi_dbg(adapter, MSG, + "WLAN is not the winner! Skip FW dnld\n"); + goto poll_fw; + } + } + + if (pmfw) { + /* Download firmware with helper */ + ret = adapter->if_ops.prog_fw(adapter, pmfw); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "prog_fw failed ret=%#x\n", ret); + return ret; + } + } + +poll_fw: + /* Check if the firmware is downloaded successfully or not */ + ret = adapter->if_ops.check_fw_status(adapter, poll_num); + if (ret) + nxpwifi_dbg(adapter, ERROR, + "FW failed to be active in time\n"); + + return ret; +} +EXPORT_SYMBOL_GPL(nxpwifi_dnld_fw); diff --git a/drivers/net/wireless/nxp/nxpwifi/join.c b/drivers/net/wireless/nxp/nxpwifi/join.c new file mode 100644 index 000000000000..359006e2c391 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/join.c @@ -0,0 +1,787 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: association and ad-hoc start/join + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" +#include "11ac.h" +#include "11ax.h" + +#define CAPINFO_MASK (~(BIT(15) | BIT(14) | BIT(12) | BIT(11) | BIT(9))) + +/* Append generic IE as pass-through TLV for join */ +static int +nxpwifi_cmd_append_generic_ie(struct nxpwifi_private *priv, u8 **buffer) +{ + int ret_len = 0; + struct nxpwifi_ie_types_header ie_header; + + /* Null Checks */ + if (!buffer) + return 0; + if (!(*buffer)) + return 0; + + /* + * If there is a generic element buffer setup, append it to the return + * parameter buffer pointer. + */ + if (priv->gen_ie_buf_len) { + nxpwifi_dbg(priv->adapter, INFO, + "info: %s: append generic element len %d to %p\n", + __func__, priv->gen_ie_buf_len, *buffer); + + /* Wrap the generic element buffer with a pass through TLV type */ + ie_header.type = cpu_to_le16(TLV_TYPE_PASSTHROUGH); + ie_header.len = cpu_to_le16(priv->gen_ie_buf_len); + memcpy(*buffer, &ie_header, sizeof(ie_header)); + + /* + * Increment the return size and the return buffer pointer + * param + */ + *buffer += sizeof(ie_header); + ret_len += sizeof(ie_header); + + /* + * Copy the generic element buffer to the output buffer, advance + * pointer + */ + memcpy(*buffer, priv->gen_ie_buf, priv->gen_ie_buf_len); + + /* + * Increment the return size and the return buffer pointer + * param + */ + *buffer += priv->gen_ie_buf_len; + ret_len += priv->gen_ie_buf_len; + + /* Reset the generic element buffer */ + priv->gen_ie_buf_len = 0; + } + + /* return the length appended to the buffer */ + return ret_len; +} + +/* Append TSF timestamp (AP TSF and local RX TSF) for reassoc */ +static int +nxpwifi_cmd_append_tsf_tlv(struct nxpwifi_private *priv, u8 **buffer, + struct nxpwifi_bssdescriptor *bss_desc) +{ + struct nxpwifi_ie_types_tsf_timestamp tsf_tlv; + __le64 tsf_val; + + /* Null Checks */ + if (!buffer) + return 0; + if (!*buffer) + return 0; + + memset(&tsf_tlv, 0x00, sizeof(struct nxpwifi_ie_types_tsf_timestamp)); + + tsf_tlv.header.type = cpu_to_le16(TLV_TYPE_TSFTIMESTAMP); + tsf_tlv.header.len = cpu_to_le16(2 * sizeof(tsf_val)); + + memcpy(*buffer, &tsf_tlv, sizeof(tsf_tlv.header)); + *buffer += sizeof(tsf_tlv.header); + + /* TSF at the time when beacon/probe_response was received */ + tsf_val = cpu_to_le64(bss_desc->fw_tsf); + memcpy(*buffer, &tsf_val, sizeof(tsf_val)); + *buffer += sizeof(tsf_val); + + tsf_val = cpu_to_le64(bss_desc->timestamp); + + nxpwifi_dbg(priv->adapter, INFO, + "info: %s: TSF offset calc: %016llx - %016llx\n", + __func__, bss_desc->timestamp, bss_desc->fw_tsf); + + memcpy(*buffer, &tsf_val, sizeof(tsf_val)); + *buffer += sizeof(tsf_val); + + return sizeof(tsf_tlv.header) + (2 * sizeof(tsf_val)); +} + +/* Compute intersection of two rate sets; rate1 updated in-place */ +static int nxpwifi_get_common_rates(struct nxpwifi_private *priv, u8 *rate1, + u32 rate1_size, u8 *rate2, u32 rate2_size) +{ + int ret; + u8 *ptr = rate1, *tmp; + u32 i, j; + + tmp = kmemdup(rate1, rate1_size, GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + memset(rate1, 0, rate1_size); + + for (i = 0; i < rate2_size && rate2[i]; i++) { + for (j = 0; j < rate1_size && tmp[j]; j++) { + /* + * Check common rate, excluding the bit for + * basic rate + */ + if ((rate2[i] & 0x7F) == (tmp[j] & 0x7F)) { + *rate1++ = tmp[j]; + break; + } + } + } + + nxpwifi_dbg(priv->adapter, INFO, "info: Tx data rate set to %#x\n", + priv->data_rate); + + if (!priv->is_data_rate_auto) { + while (*ptr) { + if ((*ptr & 0x7f) == priv->data_rate) { + ret = 0; + goto done; + } + ptr++; + } + nxpwifi_dbg(priv->adapter, ERROR, + "previously set fixed data rate %#x\t" + "is not compatible with the network\n", + priv->data_rate); + + ret = -EPERM; + goto done; + } + + ret = 0; +done: + kfree(tmp); + return ret; +} + +/* Build common rates from BSS descriptor into out_rates */ +static int +nxpwifi_setup_rates_from_bssdesc(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc, + u8 *out_rates, u32 *out_rates_size) +{ + u8 card_rates[NXPWIFI_SUPPORTED_RATES]; + u32 card_rates_size; + int ret; + + /* Copy AP supported rates */ + memcpy(out_rates, bss_desc->supported_rates, NXPWIFI_SUPPORTED_RATES); + /* Get the STA supported rates */ + card_rates_size = nxpwifi_get_active_data_rates(priv, card_rates); + /* Get the common rates between AP and STA supported rates */ + ret = nxpwifi_get_common_rates(priv, out_rates, NXPWIFI_SUPPORTED_RATES, + card_rates, card_rates_size); + if (ret) { + *out_rates_size = 0; + nxpwifi_dbg(priv->adapter, ERROR, + "%s: cannot get common rates\n", + __func__); + } else { + *out_rates_size = + min_t(size_t, strlen(out_rates), NXPWIFI_SUPPORTED_RATES); + } + + return ret; +} + +/* Append WPS IE as pass-through TLV for join */ +static int +nxpwifi_cmd_append_wps_ie(struct nxpwifi_private *priv, u8 **buffer) +{ + int ret_len = 0; + struct nxpwifi_ie_types_header ie_header; + + if (!buffer || !*buffer) + return 0; + + /* + * If there is a wps element buffer setup, append it to the return + * parameter buffer pointer. + */ + if (priv->wps_ie_len) { + nxpwifi_dbg(priv->adapter, CMD, + "cmd: append wps element %d to %p\n", + priv->wps_ie_len, *buffer); + + /* Wrap the generic element buffer with a pass through TLV type */ + ie_header.type = cpu_to_le16(TLV_TYPE_PASSTHROUGH); + ie_header.len = cpu_to_le16(priv->wps_ie_len); + memcpy(*buffer, &ie_header, sizeof(ie_header)); + *buffer += sizeof(ie_header); + ret_len += sizeof(ie_header); + + memcpy(*buffer, priv->wps_ie, priv->wps_ie_len); + *buffer += priv->wps_ie_len; + ret_len += priv->wps_ie_len; + } + + kfree(priv->wps_ie); + priv->wps_ie_len = 0; + return ret_len; +} + +/* Append WPA/WPA2 RSN IE TLV */ +static int nxpwifi_append_rsn_ie_wpa_wpa2(struct nxpwifi_private *priv, + u8 **buffer) +{ + struct nxpwifi_ie_types_rsn_param_set *rsn_ie_tlv; + int rsn_ie_len; + + if (!buffer || !(*buffer)) + return 0; + + rsn_ie_tlv = (struct nxpwifi_ie_types_rsn_param_set *)(*buffer); + rsn_ie_tlv->header.type = cpu_to_le16((u16)priv->wpa_ie[0]); + rsn_ie_tlv->header.type = + cpu_to_le16(le16_to_cpu(rsn_ie_tlv->header.type) & 0x00FF); + rsn_ie_tlv->header.len = cpu_to_le16((u16)priv->wpa_ie[1]); + rsn_ie_tlv->header.len = cpu_to_le16(le16_to_cpu(rsn_ie_tlv->header.len) + & 0x00FF); + if (le16_to_cpu(rsn_ie_tlv->header.len) <= (sizeof(priv->wpa_ie) - 2)) + memcpy(rsn_ie_tlv->rsn_ie, &priv->wpa_ie[2], + le16_to_cpu(rsn_ie_tlv->header.len)); + else + return -ENOMEM; + + rsn_ie_len = sizeof(rsn_ie_tlv->header) + + le16_to_cpu(rsn_ie_tlv->header.len); + *buffer += rsn_ie_len; + + return rsn_ie_len; +} + +/* Build 802.11 association command and required TLVs */ +int nxpwifi_cmd_802_11_associate(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + struct nxpwifi_bssdescriptor *bss_desc) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate; + struct nxpwifi_ie_types_host_mlme *host_mlme_tlv; + struct nxpwifi_ie_types_ssid_param_set *ssid_tlv; + struct nxpwifi_ie_types_phy_param_set *phy_tlv; + struct nxpwifi_ie_types_ss_param_set *ss_tlv; + struct nxpwifi_ie_types_rates_param_set *rates_tlv; + struct nxpwifi_ie_types_auth_type *auth_tlv; + struct nxpwifi_ie_types_sae_pwe_mode *sae_pwe_tlv; + struct nxpwifi_ie_types_chan_list_param_set *chan_tlv; + u8 rates[NXPWIFI_SUPPORTED_RATES]; + u32 rates_size; + u16 tmp_cap; + u8 *pos; + int rsn_ie_len = 0; + int ret; + + pos = (u8 *)assoc; + + cmd->command = cpu_to_le16(HOST_CMD_802_11_ASSOCIATE); + + /* Save so we know which BSS Desc to use in the response handler */ + priv->attempted_bss_desc = bss_desc; + + memcpy(assoc->peer_sta_addr, + bss_desc->mac_address, sizeof(assoc->peer_sta_addr)); + pos += sizeof(assoc->peer_sta_addr); + + /* Set the listen interval */ + assoc->listen_interval = cpu_to_le16(priv->listen_interval); + /* Set the beacon period */ + assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period); + + pos += sizeof(assoc->cap_info_bitmap); + pos += sizeof(assoc->listen_interval); + pos += sizeof(assoc->beacon_period); + pos += sizeof(assoc->dtim_period); + + host_mlme_tlv = (struct nxpwifi_ie_types_host_mlme *)pos; + host_mlme_tlv->header.type = cpu_to_le16(TLV_TYPE_HOST_MLME); + host_mlme_tlv->header.len = cpu_to_le16(sizeof(host_mlme_tlv->host_mlme)); + host_mlme_tlv->host_mlme = 1; + pos += sizeof(host_mlme_tlv->header) + sizeof(host_mlme_tlv->host_mlme); + + ssid_tlv = (struct nxpwifi_ie_types_ssid_param_set *)pos; + ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID); + ssid_tlv->header.len = cpu_to_le16((u16)bss_desc->ssid.ssid_len); + memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid, + le16_to_cpu(ssid_tlv->header.len)); + pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len); + + phy_tlv = (struct nxpwifi_ie_types_phy_param_set *)pos; + phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS); + phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set)); + memcpy(&phy_tlv->fh_ds.ds_param_set, + &bss_desc->phy_param_set.ds_param_set.current_chan, + sizeof(phy_tlv->fh_ds.ds_param_set)); + pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len); + + ss_tlv = (struct nxpwifi_ie_types_ss_param_set *)pos; + ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS); + ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set)); + pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len); + + /* Get the common rates supported between the driver and the BSS Desc */ + ret = nxpwifi_setup_rates_from_bssdesc(priv, bss_desc, + rates, &rates_size); + if (ret) + return ret; + + /* Save the data rates into Current BSS state structure */ + priv->curr_bss_params.num_of_rates = rates_size; + memcpy(&priv->curr_bss_params.data_rates, rates, rates_size); + + /* Setup the Rates TLV in the association command */ + rates_tlv = (struct nxpwifi_ie_types_rates_param_set *)pos; + rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES); + rates_tlv->header.len = cpu_to_le16((u16)rates_size); + memcpy(rates_tlv->rates, rates, rates_size); + pos += sizeof(rates_tlv->header) + rates_size; + nxpwifi_dbg(adapter, INFO, "info: ASSOC_CMD: rates size = %d\n", + rates_size); + + /* Add the Authentication type */ + auth_tlv = (struct nxpwifi_ie_types_auth_type *)pos; + auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); + auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type)); + if (priv->sec_info.wep_enabled) + auth_tlv->auth_type = + cpu_to_le16((u16)priv->sec_info.authentication_mode); + else + auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM); + + pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len); + + if (priv->sec_info.authentication_mode == WLAN_AUTH_SAE) { + auth_tlv->auth_type = cpu_to_le16(NXPWIFI_AUTHTYPE_SAE); + if (bss_desc->bcn_rsnx_ie && + bss_desc->bcn_rsnx_ie->datalen && + (bss_desc->bcn_rsnx_ie->data[0] & + WLAN_RSNX_CAPA_SAE_H2E)) { + sae_pwe_tlv = + (struct nxpwifi_ie_types_sae_pwe_mode *)pos; + sae_pwe_tlv->header.type = + cpu_to_le16(TLV_TYPE_SAE_PWE_MODE); + sae_pwe_tlv->header.len = + cpu_to_le16(sizeof(sae_pwe_tlv->pwe[0])); + sae_pwe_tlv->pwe[0] = bss_desc->bcn_rsnx_ie->data[0]; + pos += sizeof(sae_pwe_tlv->header) + + sizeof(sae_pwe_tlv->pwe[0]); + } + } + + if (IS_SUPPORT_MULTI_BANDS(adapter) && + !(ISSUPP_11NENABLED(adapter->fw_cap_info) && + !bss_desc->disable_11n && + (priv->config_bands & BAND_GN || + priv->config_bands & BAND_AN) && + bss_desc->bcn_ht_cap)) { + /* + * Append a channel TLV for the channel the attempted AP was + * found on + */ + chan_tlv = (struct nxpwifi_ie_types_chan_list_param_set *)pos; + chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST); + chan_tlv->header.len = + cpu_to_le16(sizeof(struct nxpwifi_chan_scan_param_set)); + + memset(chan_tlv->chan_scan_param, 0x00, + sizeof(struct nxpwifi_chan_scan_param_set)); + chan_tlv->chan_scan_param[0].chan_number = + (bss_desc->phy_param_set.ds_param_set.current_chan); + nxpwifi_dbg(adapter, INFO, "info: Assoc: TLV Chan = %d\n", + chan_tlv->chan_scan_param[0].chan_number); + + chan_tlv->chan_scan_param[0].band_cfg = + nxpwifi_band_to_radio_type((u8)bss_desc->bss_band); + + nxpwifi_dbg(adapter, INFO, "info: Assoc: TLV Band = %d\n", + chan_tlv->chan_scan_param[0].band_cfg); + pos += sizeof(chan_tlv->header) + + sizeof(struct nxpwifi_chan_scan_param_set); + } + + if (!priv->wps.session_enable) { + if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) + rsn_ie_len = nxpwifi_append_rsn_ie_wpa_wpa2(priv, &pos); + + if (rsn_ie_len == -ENOMEM) + return -ENOMEM; + } + + if (ISSUPP_11NENABLED(adapter->fw_cap_info) && + !bss_desc->disable_11n && + (priv->config_bands & BAND_GN || + priv->config_bands & BAND_AN)) + nxpwifi_cmd_append_11n_tlv(priv, bss_desc, &pos); + + if (ISSUPP_11ACENABLED(adapter->fw_cap_info) && + !bss_desc->disable_11n && !bss_desc->disable_11ac && + (priv->config_bands & BAND_GAC || + priv->config_bands & BAND_AAC)) + nxpwifi_cmd_append_11ac_tlv(priv, bss_desc, &pos); + + if (ISSUPP_11AXENABLED(adapter->fw_cap_ext) && + nxpwifi_11ax_bandconfig_allowed(priv, bss_desc)) + nxpwifi_cmd_append_11ax_tlv(priv, bss_desc, &pos); + + /* Append vendor specific element TLV */ + nxpwifi_cmd_append_vsie_tlv(priv, NXPWIFI_VSIE_MASK_ASSOC, &pos); + + nxpwifi_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie, + bss_desc->bcn_ht_cap); + + if (priv->wps.session_enable && priv->wps_ie_len) + nxpwifi_cmd_append_wps_ie(priv, &pos); + + nxpwifi_cmd_append_generic_ie(priv, &pos); + + nxpwifi_cmd_append_tsf_tlv(priv, &pos, bss_desc); + + nxpwifi_11h_process_join(priv, &pos, bss_desc); + + cmd->size = cpu_to_le16((u16)(pos - (u8 *)assoc) + S_DS_GEN); + + /* Set the Capability info at last */ + tmp_cap = bss_desc->cap_info_bitmap; + + if (priv->config_bands == BAND_B) + tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME; + + tmp_cap &= CAPINFO_MASK; + nxpwifi_dbg(adapter, INFO, + "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n", + tmp_cap, CAPINFO_MASK); + assoc->cap_info_bitmap = cpu_to_le16(tmp_cap); + + return ret; +} + +static const char *assoc_failure_reason_to_str(u16 cap_info) +{ + switch (cap_info) { + case CONNECT_ERR_AUTH_ERR_STA_FAILURE: + return "CONNECT_ERR_AUTH_ERR_STA_FAILURE"; + case CONNECT_ERR_AUTH_MSG_UNHANDLED: + return "CONNECT_ERR_AUTH_MSG_UNHANDLED"; + case CONNECT_ERR_ASSOC_ERR_TIMEOUT: + return "CONNECT_ERR_ASSOC_ERR_TIMEOUT"; + case CONNECT_ERR_ASSOC_ERR_AUTH_REFUSED: + return "CONNECT_ERR_ASSOC_ERR_AUTH_REFUSED"; + case CONNECT_ERR_STA_FAILURE: + return "CONNECT_ERR_STA_FAILURE"; + } + + return "Unknown connect failure"; +} + +/* + * Handle association command response. + * Parse cap_info/status_code/AID and copy IEs, update connection state, + * WMM and HT/HE parameters, queues and filters. On failure, return the + * IEEE status code or a mapped timeout error. + */ +int nxpwifi_ret_802_11_associate(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret = 0; + struct ieee_types_assoc_rsp *assoc_rsp; + struct nxpwifi_bssdescriptor *bss_desc; + bool enable_data = true; + u16 cap_info, status_code, aid; + const u8 *ie_ptr; + struct ieee80211_ht_operation *assoc_resp_ht_oper; + struct ieee80211_mgmt *hdr; + + if (!priv->attempted_bss_desc) { + nxpwifi_dbg(adapter, ERROR, + "%s: failed, association terminated by host\n", + __func__); + goto done; + } + + hdr = (struct ieee80211_mgmt *)&resp->params; + if (!memcmp(hdr->bssid, priv->attempted_bss_desc->mac_address, + ETH_ALEN)) + assoc_rsp = (struct ieee_types_assoc_rsp *)&hdr->u.assoc_resp; + else + assoc_rsp = (struct ieee_types_assoc_rsp *)&resp->params; + + cap_info = le16_to_cpu(assoc_rsp->cap_info_bitmap); + status_code = le16_to_cpu(assoc_rsp->status_code); + aid = le16_to_cpu(assoc_rsp->a_id); + + if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14))) + nxpwifi_dbg(adapter, ERROR, + "invalid AID value 0x%x; bits 15:14 not set\n", aid); + + aid &= ~(BIT(15) | BIT(14)); + + priv->assoc_rsp_size = min(le16_to_cpu(resp->size) - S_DS_GEN, + sizeof(priv->assoc_rsp_buf)); + + assoc_rsp->a_id = cpu_to_le16(aid); + memcpy(priv->assoc_rsp_buf, &resp->params, priv->assoc_rsp_size); + + if (status_code) { + adapter->dbg.num_cmd_assoc_failure++; + nxpwifi_dbg(adapter, ERROR, + "ASSOC_RESP: failed,\t" + "status code=%d err=%#x a_id=%#x\n", + status_code, cap_info, + le16_to_cpu(assoc_rsp->a_id)); + + nxpwifi_dbg(adapter, ERROR, "assoc failure: reason %s\n", + assoc_failure_reason_to_str(cap_info)); + if (cap_info == CONNECT_ERR_ASSOC_ERR_TIMEOUT) { + if (status_code == NXPWIFI_ASSOC_CMD_FAILURE_AUTH) { + ret = WLAN_STATUS_AUTH_TIMEOUT; + nxpwifi_dbg(adapter, ERROR, + "ASSOC_RESP: AUTH timeout\n"); + } else { + ret = WLAN_STATUS_UNSPECIFIED_FAILURE; + nxpwifi_dbg(adapter, ERROR, + "ASSOC_RESP: UNSPECIFIED failure\n"); + } + + priv->assoc_rsp_size = 0; + } else { + ret = status_code; + } + + goto done; + } + + /* Send a Media Connected event, according to the Spec */ + priv->media_connected = true; + + adapter->ps_state = PS_STATE_AWAKE; + adapter->pps_uapsd_mode = false; + adapter->tx_lock_flag = false; + + /* Set the attempted BSSID Index to current */ + bss_desc = priv->attempted_bss_desc; + + nxpwifi_dbg(adapter, INFO, "info: ASSOC_RESP: %s\n", + bss_desc->ssid.ssid); + + /* Make a copy of current BSSID descriptor */ + memcpy(&priv->curr_bss_params.bss_descriptor, + bss_desc, sizeof(struct nxpwifi_bssdescriptor)); + + /* Update curr_bss_params */ + priv->curr_bss_params.bss_descriptor.channel = + bss_desc->phy_param_set.ds_param_set.current_chan; + + priv->curr_bss_params.band = (u8)bss_desc->bss_band; + + if (bss_desc->wmm_ie.element_id == WLAN_EID_VENDOR_SPECIFIC) + priv->curr_bss_params.wmm_enabled = true; + else + priv->curr_bss_params.wmm_enabled = false; + + if ((priv->wmm_required || bss_desc->bcn_ht_cap) && + priv->curr_bss_params.wmm_enabled) + priv->wmm_enabled = true; + else + priv->wmm_enabled = false; + + priv->curr_bss_params.wmm_uapsd_enabled = false; + + priv->curr_bss_params.wmm_uapsd_enabled = priv->wmm_enabled && + (bss_desc->wmm_ie.qos_info & IEEE80211_WMM_IE_AP_QOSINFO_UAPSD); + + /* Store the bandwidth information from assoc response */ + ie_ptr = cfg80211_find_ie(WLAN_EID_HT_OPERATION, assoc_rsp->ie_buffer, + priv->assoc_rsp_size + - sizeof(struct ieee_types_assoc_rsp)); + if (ie_ptr) { + assoc_resp_ht_oper = (struct ieee80211_ht_operation *)(ie_ptr + + sizeof(struct element)); + priv->assoc_resp_ht_param = assoc_resp_ht_oper->ht_param; + priv->ht_param_present = true; + } else { + priv->ht_param_present = false; + } + + nxpwifi_dbg(adapter, INFO, + "info: ASSOC_RESP: curr_pkt_filter is %#x\n", + priv->curr_pkt_filter); + if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) + priv->wpa_is_gtk_set = false; + + if (priv->wmm_enabled) { + /* Don't re-enable carrier until we get the WMM_GET_STATUS event */ + enable_data = false; + } else { + /* Since WMM is not enabled, setup the queues with the defaults */ + nxpwifi_wmm_setup_queue_priorities(priv, NULL); + nxpwifi_wmm_setup_ac_downgrade(priv); + } + + if (enable_data) + nxpwifi_dbg(adapter, INFO, + "info: post association, re-enabling data flow\n"); + + /* Reset SNR/NF/RSSI values */ + priv->data_rssi_last = 0; + priv->data_nf_last = 0; + priv->data_rssi_avg = 0; + priv->data_nf_avg = 0; + priv->bcn_rssi_last = 0; + priv->bcn_nf_last = 0; + priv->bcn_rssi_avg = 0; + priv->bcn_nf_avg = 0; + priv->rxpd_rate = 0; + priv->rxpd_htinfo = 0; + + nxpwifi_save_curr_bcn(priv); + + adapter->dbg.num_cmd_assoc_success++; + + nxpwifi_dbg(adapter, MSG, "assoc: associated with %pM\n", + priv->attempted_bss_desc->mac_address); + + /* Add the ra_list here for infra mode as there will be only 1 ra always */ + nxpwifi_ralist_add(priv, + priv->curr_bss_params.bss_descriptor.mac_address); + + netif_carrier_on(priv->netdev); + nxpwifi_wake_up_net_dev_queue(priv->netdev, adapter); + + if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) + priv->scan_block = true; + else + priv->port_open = true; + +done: + /* Need to indicate IOCTL complete */ + if (adapter->curr_cmd->wait_q_enabled) { + if (ret) + adapter->cmd_wait_q.status = -1; + else + adapter->cmd_wait_q.status = 0; + } + + return ret; +} + +/* Associate to the specified BSS (STA only) */ +int nxpwifi_associate(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + /* + * Return error if the adapter is not STA role or table entry + * is not marked as infra. + */ + if ((GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_STA) || + bss_desc->bss_mode != NL80211_IFTYPE_STATION) + return -EINVAL; + + if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) && + !bss_desc->disable_11n && !bss_desc->disable_11ac && + priv->config_bands & BAND_AAC) + nxpwifi_set_11ac_ba_params(priv); + else + nxpwifi_set_ba_params(priv); + + /* + * Clear any past association response stored for application + * retrieval + */ + priv->assoc_rsp_size = 0; + + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_ASSOCIATE, + HOST_ACT_GEN_SET, 0, bss_desc, true); +} + +/* Send deauth to disconnect from an infrastructure BSS */ +static int nxpwifi_deauthenticate_infra(struct nxpwifi_private *priv, u8 *mac) +{ + u8 mac_address[ETH_ALEN]; + int ret; + + if (!mac || is_zero_ether_addr(mac)) + memcpy(mac_address, + priv->curr_bss_params.bss_descriptor.mac_address, + ETH_ALEN); + else + memcpy(mac_address, mac, ETH_ALEN); + + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_DEAUTHENTICATE, + HOST_ACT_GEN_SET, 0, mac_address, true); + + return ret; +} + +/* Disconnect from the current BSS (STA/P2P/AP) */ +int nxpwifi_deauthenticate(struct nxpwifi_private *priv, u8 *mac) +{ + int ret = 0; + + if (!priv->media_connected) + return 0; + + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + priv->host_mlme_reg = false; + priv->mgmt_frame_mask = 0; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_MGMT_FRAME_REG, + HOST_ACT_GEN_SET, 0, + &priv->mgmt_frame_mask, false); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "could not unregister mgmt frame rx\n"); + return ret; + } + + switch (priv->bss_mode) { + case NL80211_IFTYPE_STATION: + ret = nxpwifi_deauthenticate_infra(priv, mac); + if (ret) + cfg80211_disconnected(priv->netdev, 0, NULL, 0, + true, GFP_KERNEL); + break; + case NL80211_IFTYPE_AP: + ret = nxpwifi_send_cmd(priv, HOST_CMD_UAP_BSS_STOP, + HOST_ACT_GEN_SET, 0, NULL, true); + break; + default: + break; + } + + return ret; +} + +/* Deauthenticate/disconnect from all BSS. */ +void nxpwifi_deauthenticate_all(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + int i; + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + nxpwifi_deauthenticate(priv, NULL); + } +} +EXPORT_SYMBOL_GPL(nxpwifi_deauthenticate_all); + +/* Convert band to radio type used in channel TLV. */ +u8 nxpwifi_band_to_radio_type(u16 config_bands) +{ + if (config_bands & BAND_A || config_bands & BAND_AN || + config_bands & BAND_AAC || config_bands & BAND_AAX) + return HOST_SCAN_RADIO_TYPE_A; + + return HOST_SCAN_RADIO_TYPE_BG; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/main.c b/drivers/net/wireless/nxp/nxpwifi/main.c new file mode 100644 index 000000000000..4e01f45f3a00 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/main.c @@ -0,0 +1,1673 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: major functions + * + * Copyright 2011-2024 NXP + */ + +#include + +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "cfg80211.h" +#include "11n.h" + +#define VERSION "1.0" + +static unsigned int debug_mask = NXPWIFI_DEFAULT_DEBUG_MASK; + +char nxpwifi_driver_version[] = "nxpwifi " VERSION " (%s) "; + +const u16 nxpwifi_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 }; + +/* Optional RF calibration data file */ +static const char *cal_data_name = "nxp/cal_data.conf"; + +/* Register device; init adapter/privs/if_ops/locks; cleanup on fail. */ +static struct nxpwifi_adapter *nxpwifi_register(void *card, struct device *dev, + struct nxpwifi_if_ops *if_ops) +{ + struct nxpwifi_adapter *adapter; + int ret = 0; + int i; + + adapter = kzalloc_obj(*adapter, GFP_KERNEL); + if (!adapter) + return ERR_PTR(-ENOMEM); + + adapter->dev = dev; + adapter->card = card; + + /* Save interface specific operations in adapter */ + memmove(&adapter->if_ops, if_ops, sizeof(struct nxpwifi_if_ops)); + adapter->debug_mask = debug_mask; + + /* card specific initialization has been deferred until now .. */ + if (adapter->if_ops.init_if) { + ret = adapter->if_ops.init_if(adapter); + if (ret) + goto error; + } + + adapter->priv_num = 0; + + for (i = 0; i < NXPWIFI_MAX_BSS_NUM; i++) { + /* Allocate memory for private structure */ + adapter->priv[i] = + kzalloc_obj(struct nxpwifi_private, GFP_KERNEL); + if (!adapter->priv[i]) { + ret = -ENOMEM; + goto error; + } + + adapter->priv[i]->adapter = adapter; + adapter->priv_num++; + } + nxpwifi_init_lock_list(adapter); + + timer_setup(&adapter->cmd_timer, nxpwifi_cmd_timeout_func, 0); + + if (ret) + return ERR_PTR(ret); + else + return adapter; + +error: + nxpwifi_dbg(adapter, ERROR, + "info: leave %s with error\n", __func__); + + for (i = 0; i < adapter->priv_num; i++) + kfree(adapter->priv[i]); + + kfree(adapter); + + return ERR_PTR(ret); +} + +/* Unregister device; free timers, beacons, privs, nd_info, adapter. */ +static void nxpwifi_unregister(struct nxpwifi_adapter *adapter) +{ + s32 i; + + if (adapter->if_ops.cleanup_if) + adapter->if_ops.cleanup_if(adapter); + + timer_delete_sync(&adapter->cmd_timer); + + /* Free private structures */ + for (i = 0; i < adapter->priv_num; i++) { + nxpwifi_free_curr_bcn(adapter->priv[i]); + kfree(adapter->priv[i]); + } + + if (adapter->nd_info) { + for (i = 0 ; i < adapter->nd_info->n_matches ; i++) + kfree(adapter->nd_info->matches[i]); + kfree(adapter->nd_info); + adapter->nd_info = NULL; + } + + kfree(adapter->regd); + + kfree(adapter); +} + +static void nxpwifi_queue_rx_work(struct nxpwifi_adapter *adapter) +{ + queue_work(adapter->rx_workqueue, &adapter->rx_work); +} + +static void nxpwifi_process_rx(struct nxpwifi_adapter *adapter) +{ + struct sk_buff *skb; + struct nxpwifi_rxinfo *rx_info; + + if (atomic_read(&adapter->iface_changing) || + atomic_read(&adapter->rx_ba_teardown_pending)) + return; + + /* Check for Rx data */ + while ((skb = skb_dequeue(&adapter->rx_data_q))) { + atomic_dec(&adapter->rx_pending); + if (adapter->delay_main_work && + (atomic_read(&adapter->rx_pending) < LOW_RX_PENDING)) { + adapter->delay_main_work = false; + nxpwifi_queue_work(adapter, &adapter->main_work); + } + rx_info = NXPWIFI_SKB_RXCB(skb); + if (rx_info->buf_type == NXPWIFI_TYPE_AGGR_DATA) { + if (adapter->if_ops.deaggr_pkt) + adapter->if_ops.deaggr_pkt(adapter, skb); + dev_kfree_skb_any(skb); + } else { + nxpwifi_handle_rx_packet(adapter, skb); + } + } +} + +static void maybe_quirk_fw_disable_ds(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); + struct nxpwifi_ver_ext ver_ext; + + if (test_and_set_bit(NXPWIFI_IS_REQUESTING_FW_VEREXT, &adapter->work_flags)) + return; + + memset(&ver_ext, 0, sizeof(ver_ext)); + ver_ext.version_str_sel = 1; + if (nxpwifi_send_cmd(priv, HOST_CMD_VERSION_EXT, + HOST_ACT_GEN_GET, 0, &ver_ext, false)) { + nxpwifi_dbg(priv->adapter, MSG, + "Checking hardware revision failed.\n"); + } +} + +static void nxpwifi_handle_irq_status(struct nxpwifi_adapter *adapter, u8 istat) +{ + if (adapter->hs_activated) + nxpwifi_process_hs_config(adapter); + if (adapter->if_ops.process_int_status) + adapter->if_ops.process_int_status(adapter, istat); +} + +static bool nxpwifi_drain_tx(struct nxpwifi_adapter *adapter) +{ + bool ret = false; + + if ((adapter->scan_chan_gap_enabled || !adapter->scan_processing) && + !adapter->data_sent && !skb_queue_empty(&adapter->tx_data_q)) { + if (adapter->hs_activated_manually) { + nxpwifi_cancel_hs(nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY), + NXPWIFI_ASYNC_CMD); + adapter->hs_activated_manually = false; + } + + nxpwifi_process_tx_queue(adapter); + if (adapter->hs_activated) { + clear_bit(NXPWIFI_IS_HS_CONFIGURED, + &adapter->work_flags); + nxpwifi_hs_activated_event + (nxpwifi_get_priv + (adapter, NXPWIFI_BSS_ROLE_ANY), + false); + } + ret = true; + } + + if ((adapter->scan_chan_gap_enabled || + !adapter->scan_processing) && + !adapter->data_sent && + !nxpwifi_bypass_txlist_empty(adapter)) { + if (adapter->hs_activated_manually) { + nxpwifi_cancel_hs(nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY), + NXPWIFI_ASYNC_CMD); + adapter->hs_activated_manually = false; + } + nxpwifi_process_bypass_tx(adapter); + if (adapter->hs_activated) { + clear_bit(NXPWIFI_IS_HS_CONFIGURED, + &adapter->work_flags); + nxpwifi_hs_activated_event + (nxpwifi_get_priv + (adapter, NXPWIFI_BSS_ROLE_ANY), + false); + } + ret = true; + } + + if ((adapter->scan_chan_gap_enabled || + !adapter->scan_processing) && + !adapter->data_sent && !nxpwifi_wmm_lists_empty(adapter)) { + if (adapter->hs_activated_manually) { + nxpwifi_cancel_hs(nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY), + NXPWIFI_ASYNC_CMD); + adapter->hs_activated_manually = false; + } + + nxpwifi_wmm_process_tx(adapter); + if (adapter->hs_activated) { + clear_bit(NXPWIFI_IS_HS_CONFIGURED, + &adapter->work_flags); + nxpwifi_hs_activated_event + (nxpwifi_get_priv + (adapter, NXPWIFI_BSS_ROLE_ANY), + false); + } + ret = true; + } + + return ret; +} + +static bool nxpwifi_handle_rx(struct nxpwifi_adapter *adapter) +{ + if (adapter->rx_work_enabled && adapter->data_received) { + nxpwifi_queue_rx_work(adapter); + return true; + } + + return false; +} + +static bool nxpwifi_handle_cmd_response(struct nxpwifi_adapter *adapter) +{ + /* Check for Cmd Resp */ + if (adapter->cmd_resp_received) { + adapter->cmd_resp_received = false; + nxpwifi_process_cmdresp(adapter); + return true; + } + + return false; +} + +static bool nxpwifi_handle_events(struct nxpwifi_adapter *adapter) +{ + if (adapter->event_received) { + adapter->event_received = false; + nxpwifi_process_event(adapter); + return true; + } + + return false; +} + +static bool nxpwifi_tx_has_pending(struct nxpwifi_adapter *adapter) +{ + return !skb_queue_empty(&adapter->tx_data_q) || + !nxpwifi_bypass_txlist_empty(adapter) || + !nxpwifi_wmm_lists_empty(adapter); +} + +static bool nxpwifi_cmd_has_pending(struct nxpwifi_adapter *adapter) +{ + return !list_empty(&adapter->cmd_pending_q); +} + +static bool nxpwifi_events_has_pending(struct nxpwifi_adapter *adapter) +{ + return adapter->event_received; +} + +static bool nxpwifi_should_wakeup_card(struct nxpwifi_adapter *adapter) +{ + if (adapter->ps_state != PS_STATE_SLEEP) + return false; + + if (!adapter->pm_wakeup_card_req || adapter->pm_wakeup_fw_try) + return false; + + return nxpwifi_is_command_pending(adapter) || nxpwifi_tx_has_pending(adapter); +} + +static bool nxpwifi_should_exit_main_loop(struct nxpwifi_adapter *adapter) +{ + if (adapter->pm_wakeup_fw_try) + return true; + + if (adapter->ps_state == PS_STATE_PRE_SLEEP) + nxpwifi_check_ps_cond(adapter); + + if (adapter->ps_state != PS_STATE_AWAKE) + return true; + + if (adapter->tx_lock_flag) + return true; + + if ((!adapter->scan_chan_gap_enabled && adapter->scan_processing) || + adapter->data_sent || !nxpwifi_tx_has_pending(adapter)) { + if (adapter->cmd_sent || adapter->curr_cmd || + !nxpwifi_is_command_pending(adapter)) + return true; + } + + return false; +} + +static void nxpwifi_wakeup_card(struct nxpwifi_adapter *adapter) +{ + adapter->pm_wakeup_fw_try = true; + mod_timer(&adapter->wakeup_timer, jiffies + (HZ * 3)); + adapter->if_ops.wakeup(adapter); +} + +static void nxpwifi_handle_vdll_download(struct nxpwifi_adapter *adapter) +{ + if (!adapter->cmd_sent && adapter->vdll_ctrl.pending_block) { + struct vdll_dnld_ctrl *ctrl = &adapter->vdll_ctrl; + + nxpwifi_download_vdll_block(adapter, ctrl->pending_block, + ctrl->pending_block_len); + ctrl->pending_block = NULL; + } +} + +static void nxpwifi_finish_delayed_null_pkt(struct nxpwifi_adapter *adapter) +{ + if (!adapter->delay_null_pkt) + return; + + if (adapter->cmd_sent || adapter->curr_cmd || nxpwifi_is_command_pending(adapter)) + return; + + if (nxpwifi_tx_has_pending(adapter)) + return; + + if (!nxpwifi_send_null_packet(nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA), + NXPWIFI_TxPD_POWER_MGMT_NULL_PACKET | + NXPWIFI_TxPD_POWER_MGMT_LAST_PACKET)) { + adapter->delay_null_pkt = false; + adapter->ps_state = PS_STATE_SLEEP; + } +} + +static bool nxpwifi_pump_command(struct nxpwifi_adapter *adapter) +{ + if (!adapter->cmd_sent && !adapter->curr_cmd) { + if (!nxpwifi_exec_next_cmd(adapter)) + return true; + } + + return false; +} + +/* Main loop: IRQ/RX/CMD/EVENT; wake card; TX; PS null; exit if idle. */ +void nxpwifi_main_process(struct nxpwifi_adapter *adapter) +{ + unsigned long flags; + + /* Check if virtual interface changing */ + if (atomic_read(&adapter->iface_changing)) { + nxpwifi_dbg(adapter, + INFO, "main_process skipped due to iface_changing"); + return; + } + + for (;;) { + bool did_work = false; + u8 istat = 0; + + if (adapter->hw_status == NXPWIFI_HW_STATUS_NOT_READY) + break; + + /* + * For non-USB interfaces, If we process interrupts first, it + * would increase RX pending even further. Avoid this by + * checking if rx_pending has crossed high threshold and + * schedule rx work queue and then process interrupts. + * For USB interface, there are no interrupts. We already have + * HIGH_RX_PENDING check in usb.c + */ + if (atomic_read(&adapter->rx_pending) >= HIGH_RX_PENDING) { + adapter->delay_main_work = true; + nxpwifi_queue_rx_work(adapter); + break; + } + + /* + * Snapshot-and-clear the interrupt status. + * + * Take the same lock as the producer (nxpwifi_sdio_interrupt()) uses + * when OR-ing new bits into adapter->int_status. We atomically grab + * what has accumulated and clear it, so this consumer owns this batch. + */ + spin_lock_irqsave(&adapter->int_lock, flags); + istat = adapter->int_status; + adapter->int_status = 0; + spin_unlock_irqrestore(&adapter->int_lock, flags); + + /* Handle pending interrupt if any */ + if (istat) { + nxpwifi_handle_irq_status(adapter, istat); + did_work = true; + } + + did_work |= nxpwifi_handle_rx(adapter); + + if (nxpwifi_should_wakeup_card(adapter)) { + nxpwifi_wakeup_card(adapter); + continue; + } + + if (IS_CARD_RX_RCVD(adapter)) { + /* Card has responded, clear wakeup state and update power state */ + adapter->data_received = false; + adapter->pm_wakeup_fw_try = false; + timer_delete(&adapter->wakeup_timer); + if (adapter->ps_state == PS_STATE_SLEEP) + adapter->ps_state = PS_STATE_AWAKE; + } else { + if (nxpwifi_should_exit_main_loop(adapter)) + break; + } + + did_work |= nxpwifi_handle_events(adapter); + + did_work |= nxpwifi_handle_cmd_response(adapter); + + /* Check if we need to confirm Sleep Request received previously */ + if (adapter->ps_state == PS_STATE_PRE_SLEEP) + nxpwifi_check_ps_cond(adapter); + + /* + * The ps_state may have been changed during processing of + * Sleep Request event. + */ + if (adapter->ps_state != PS_STATE_AWAKE) + continue; + + if (adapter->tx_lock_flag) + continue; + + nxpwifi_handle_vdll_download(adapter); + + did_work |= nxpwifi_pump_command(adapter); + + did_work |= nxpwifi_drain_tx(adapter); + + /* + * Attempt to send delayed null packet. + * If successful, firmware will enter sleep and ps_state will be updated. + * We check ps_state here to determine if main loop can safely exit. + */ + nxpwifi_finish_delayed_null_pkt(adapter); + + if (adapter->ps_state == PS_STATE_SLEEP) + break; + /* + * Step 3) Cooperative preemption point. + * cond_resched() yields ONLY if need_resched() is set. Placing it + * BEFORE the final check improves fairness: it lets ksdioirqd (RT/FIFO) + * or other producers run and set new int_status bits. Immediately + * after we return here, we perform the final "net cast" (Step 4) to + * decide if we should continue or return. + */ + + cond_resched(); + + /* + * Step 4) Exit decision with lost-kick closure. + * + * We consider exiting ONLY when this round did no real work. + * Rationale: + * - If did_work == true: we will loop anyway; at Step 1 we will + * re-snapshot int_status, so there's no need to re-check now. + * - If did_work == false: we appear idle and may return. But during + * our execution window, a producer may have just set int_status and + * queue_work(); since this work is still running, queue_work() + * returns false (no second instance queued). If we return now, + * we'd leave unprocessed status with no pending work => lost-kick. + * + * Therefore, perform a single final check: if *anything* is pending, + * continue looping; otherwise, break and return. + */ + if (!did_work) { + bool more = false; + unsigned long flags; + /* 4a) New IRQ bits raced in while we were running? */ + spin_lock_irqsave(&adapter->int_lock, flags); + more |= adapter->int_status != 0; + spin_unlock_irqrestore(&adapter->int_lock, flags); + /* 4b) Any other sources still pending? (driver-specific) */ + more |= nxpwifi_tx_has_pending(adapter); + more |= nxpwifi_cmd_has_pending(adapter); + more |= nxpwifi_events_has_pending(adapter); + + if (!more) + break; /* Truly quiescent now: safe to return. */ + /* else: loop back to Step 1 to consume what just arrived. */ + } + /* If did_work == true, we loop unconditionally and re-snapshot. */ + }; +} + +/* Free adapter via nxpwifi_unregister(). */ +static void nxpwifi_free_adapter(struct nxpwifi_adapter *adapter) +{ + if (!adapter) { + pr_err("%s: adapter is NULL\n", __func__); + return; + } + + nxpwifi_unregister(adapter); + pr_debug("info: %s: free adapter\n", __func__); +} + +/* Destroy main and RX workqueues. */ +static void nxpwifi_terminate_workqueue(struct nxpwifi_adapter *adapter) +{ + if (adapter->workqueue) { + destroy_workqueue(adapter->workqueue); + adapter->workqueue = NULL; + } + + if (adapter->rx_workqueue) { + destroy_workqueue(adapter->rx_workqueue); + adapter->rx_workqueue = NULL; + } +} + +/* FW bring-up: download, enable IRQ, init FW; cfg80211+ifaces; cleanup. */ +static int _nxpwifi_fw_dpc(const struct firmware *firmware, void *context) +{ + int ret = 0; + char fmt[64]; + struct nxpwifi_adapter *adapter = context; + struct nxpwifi_fw_image fw; + bool init_failed = false; + struct wireless_dev *wdev; + struct completion *fw_done = adapter->fw_done; + + if (!firmware) { + nxpwifi_dbg(adapter, ERROR, + "Failed to get firmware %s\n", adapter->fw_name); + ret = -EINVAL; + goto err_dnld_fw; + } + + memset(&fw, 0, sizeof(struct nxpwifi_fw_image)); + adapter->firmware = firmware; + fw.fw_buf = (u8 *)adapter->firmware->data; + fw.fw_len = adapter->firmware->size; + + if (adapter->if_ops.dnld_fw) + ret = adapter->if_ops.dnld_fw(adapter, &fw); + else + ret = nxpwifi_dnld_fw(adapter, &fw); + + if (ret) + goto err_dnld_fw; + + nxpwifi_dbg(adapter, MSG, "WLAN FW is active\n"); + + /* Load optional calibration data */ + ret = request_firmware(&adapter->cal_data, cal_data_name, adapter->dev); + if (ret) { + nxpwifi_dbg(adapter, INFO, "no %s, using default cal\n", + cal_data_name); + adapter->cal_data = NULL; + } + + /* enable host interrupt after fw dnld is successful */ + if (adapter->if_ops.enable_int) { + ret = adapter->if_ops.enable_int(adapter); + if (ret) + goto err_dnld_fw; + } + + ret = nxpwifi_init_fw(adapter); + if (ret) + goto err_init_fw; + + maybe_quirk_fw_disable_ds(adapter); + + if (!adapter->wiphy) { + if (nxpwifi_register_cfg80211(adapter)) { + nxpwifi_dbg(adapter, ERROR, + "cannot register with cfg80211\n"); + goto err_init_fw; + } + } + + if (nxpwifi_init_channel_scan_gap(adapter)) { + nxpwifi_dbg(adapter, ERROR, + "could not init channel stats table\n"); + goto err_init_chan_scan; + } + + rtnl_lock(); + /* Create station interface by default */ + wdev = nxpwifi_add_virtual_intf(adapter->wiphy, "mlan%d", NET_NAME_ENUM, + NL80211_IFTYPE_STATION, NULL); + if (IS_ERR(wdev)) { + nxpwifi_dbg(adapter, ERROR, + "cannot create default STA interface\n"); + rtnl_unlock(); + goto err_add_intf; + } + + wdev = nxpwifi_add_virtual_intf(adapter->wiphy, "uap%d", NET_NAME_ENUM, + NL80211_IFTYPE_AP, NULL); + if (IS_ERR(wdev)) { + nxpwifi_dbg(adapter, ERROR, + "cannot create AP interface\n"); + rtnl_unlock(); + goto err_add_intf; + } + + rtnl_unlock(); + + nxpwifi_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1); + nxpwifi_dbg(adapter, MSG, "driver_version = %s\n", fmt); + adapter->is_up = true; + goto done; + +err_add_intf: + vfree(adapter->chan_stats); +err_init_chan_scan: + wiphy_unregister(adapter->wiphy); + wiphy_free(adapter->wiphy); +err_init_fw: + if (adapter->if_ops.disable_int) + adapter->if_ops.disable_int(adapter); +err_dnld_fw: + nxpwifi_dbg(adapter, ERROR, + "info: %s: unregister device\n", __func__); + if (adapter->if_ops.unregister_dev) + adapter->if_ops.unregister_dev(adapter); + + set_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags); + nxpwifi_terminate_workqueue(adapter); + + if (adapter->hw_status == NXPWIFI_HW_STATUS_READY) { + pr_debug("info: %s: shutdown nxpwifi\n", __func__); + nxpwifi_shutdown_drv(adapter); + nxpwifi_free_cmd_buffers(adapter); + } + + init_failed = true; +done: + if (adapter->cal_data) { + release_firmware(adapter->cal_data); + adapter->cal_data = NULL; + } + if (adapter->firmware) { + release_firmware(adapter->firmware); + adapter->firmware = NULL; + } + if (init_failed) + nxpwifi_free_adapter(adapter); + + /* Tell all current and future waiters we're finished */ + complete_all(fw_done); + + return ret; +} + +static void nxpwifi_fw_dpc(const struct firmware *firmware, void *context) +{ + _nxpwifi_fw_dpc(firmware, context); +} + +/* Request firmware (sync/async) and start HW init. */ +static int nxpwifi_init_hw_fw(struct nxpwifi_adapter *adapter, + bool req_fw_nowait) +{ + int ret; + + if (req_fw_nowait) { + ret = request_firmware_nowait(THIS_MODULE, 1, adapter->fw_name, + adapter->dev, GFP_KERNEL, adapter, + nxpwifi_fw_dpc); + } else { + ret = request_firmware(&adapter->firmware, + adapter->fw_name, + adapter->dev); + } + + if (ret < 0) + nxpwifi_dbg(adapter, ERROR, "request_firmware%s error %d\n", + req_fw_nowait ? "_nowait" : "", ret); + return ret; +} + +/* ndo_open: bring carrier down. */ +static int +nxpwifi_open(struct net_device *dev) +{ + netif_carrier_off(dev); + + return 0; +} + +/* ndo_stop: abort scan/sched-scan if running. */ +static int +nxpwifi_close(struct net_device *dev) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + + if (priv->scan_request) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + nxpwifi_dbg(priv->adapter, INFO, + "aborting scan on ndo_stop\n"); + cfg80211_scan_done(priv->scan_request, &info); + priv->scan_request = NULL; + priv->scan_aborting = true; + } + + if (priv->sched_scanning) { + nxpwifi_dbg(priv->adapter, INFO, + "aborting bgscan on ndo_stop\n"); + nxpwifi_stop_bg_scan(priv); + cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0); + } + + return 0; +} + +static bool +nxpwifi_bypass_tx_queue(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct ethhdr *eth_hdr = (struct ethhdr *)skb->data; + + if (eth_hdr->h_proto == htons(ETH_P_PAE) || + nxpwifi_is_skb_mgmt_frame(skb)) { + nxpwifi_dbg(priv->adapter, DATA, + "bypass txqueue; eth type %#x, mgmt %d\n", + ntohs(eth_hdr->h_proto), + nxpwifi_is_skb_mgmt_frame(skb)); + if (eth_hdr->h_proto == htons(ETH_P_PAE)) + nxpwifi_dbg(priv->adapter, MSG, + "key: send EAPOL to %pM\n", + eth_hdr->h_dest); + return true; + } + + return false; +} + +/* Queue SKB (WMM or bypass) and schedule main work. */ +void nxpwifi_queue_tx_pkt(struct nxpwifi_private *priv, struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct netdev_queue *txq; + int index = nxpwifi_1d_to_wmm_queue[skb->priority]; + + if (atomic_inc_return(&priv->wmm_tx_pending[index]) >= MAX_TX_PENDING) { + txq = netdev_get_tx_queue(priv->netdev, index); + if (!netif_tx_queue_stopped(txq)) { + netif_tx_stop_queue(txq); + nxpwifi_dbg(adapter, DATA, + "stop queue: %d\n", index); + } + } + + if (nxpwifi_bypass_tx_queue(priv, skb)) { + atomic_inc(&adapter->tx_pending); + atomic_inc(&adapter->bypass_tx_pending); + nxpwifi_wmm_add_buf_bypass_txqueue(priv, skb); + } else { + atomic_inc(&adapter->tx_pending); + nxpwifi_wmm_add_buf_txqueue(priv, skb); + } + + nxpwifi_queue_work(adapter, &adapter->main_work); +} + +struct sk_buff * +nxpwifi_clone_skb_for_tx_status(struct nxpwifi_private *priv, + struct sk_buff *skb, u8 flag, u64 *cookie) +{ + struct sk_buff *orig_skb = skb; + struct nxpwifi_txinfo *tx_info, *orig_tx_info; + u32 id32 = 0; + int ret; + + skb = skb_clone(skb, GFP_ATOMIC); + if (skb) { + spin_lock_bh(&priv->ack_status_lock); + /* + * Use XArray to allocate IDs in the range 1..0x0F. + * Limit ensures the allocated token ID is always within this + * range. + */ + ret = xa_alloc(&priv->ack_status_frames, &id32, orig_skb, + XA_LIMIT(1, 0x0f), GFP_ATOMIC); + spin_unlock_bh(&priv->ack_status_lock); + + if (ret == 0) { + tx_info = NXPWIFI_SKB_TXCB(skb); + tx_info->ack_frame_id = id32; + tx_info->flags |= flag; + orig_tx_info = NXPWIFI_SKB_TXCB(orig_skb); + orig_tx_info->ack_frame_id = id32; + orig_tx_info->flags |= flag; + + if (flag == NXPWIFI_BUF_FLAG_ACTION_TX_STATUS && cookie) + orig_tx_info->cookie = *cookie; + + } else if (skb_shared(skb)) { + kfree_skb(orig_skb); + } else { + kfree_skb(skb); + skb = orig_skb; + } + } else { + /* couldn't clone -- lose tx status ... */ + skb = orig_skb; + } + + return skb; +} + +/* ndo_start_xmit: fix headroom, fill TXCB, timestamp, enqueue. */ +static netdev_tx_t +nxpwifi_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct sk_buff *new_skb; + struct nxpwifi_txinfo *tx_info; + bool multicast; + + nxpwifi_dbg(priv->adapter, DATA, + "data: %lu BSS(%d-%d): Data <= kernel\n", + jiffies, priv->bss_type, priv->bss_num); + + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &priv->adapter->work_flags)) { + kfree_skb(skb); + priv->stats.tx_dropped++; + return 0; + } + if (!skb->len || skb->len > ETH_FRAME_LEN) { + nxpwifi_dbg(priv->adapter, ERROR, + "Tx: bad skb len %d\n", skb->len); + kfree_skb(skb); + priv->stats.tx_dropped++; + return 0; + } + if (skb_headroom(skb) < NXPWIFI_MIN_DATA_HEADER_LEN) { + nxpwifi_dbg(priv->adapter, DATA, + "data: Tx: insufficient skb headroom %d\n", + skb_headroom(skb)); + /* Insufficient skb headroom - allocate a new skb */ + new_skb = + skb_realloc_headroom(skb, NXPWIFI_MIN_DATA_HEADER_LEN); + if (unlikely(!new_skb)) { + nxpwifi_dbg(priv->adapter, ERROR, + "Tx: cannot alloca new_skb\n"); + kfree_skb(skb); + priv->stats.tx_dropped++; + return 0; + } + kfree_skb(skb); + skb = new_skb; + nxpwifi_dbg(priv->adapter, INFO, + "info: new skb headroomd %d\n", + skb_headroom(skb)); + } + + tx_info = NXPWIFI_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); + tx_info->bss_num = priv->bss_num; + tx_info->bss_type = priv->bss_type; + tx_info->pkt_len = skb->len; + + multicast = is_multicast_ether_addr(skb->data); + + if (unlikely(!multicast && sk_requests_wifi_status(skb->sk) && + priv->adapter->fw_api_ver == NXPWIFI_FW_V15)) + skb = nxpwifi_clone_skb_for_tx_status(priv, + skb, + NXPWIFI_BUF_FLAG_EAPOL_TX_STATUS, NULL); + + /* + * Record the current time the packet was queued; used to + * determine the amount of time the packet was queued in + * the driver before it was sent to the firmware. + * The delay is then sent along with the packet to the + * firmware for aggregate delay calculation for stats and + * MSDU lifetime expiry. + */ + __net_timestamp(skb); + + nxpwifi_queue_tx_pkt(priv, skb); + + return 0; +} + +int nxpwifi_set_mac_address(struct nxpwifi_private *priv, + struct net_device *dev, bool external, + u8 *new_mac) +{ + int ret; + u64 mac_addr, old_mac_addr; + + old_mac_addr = ether_addr_to_u64(priv->curr_addr); + + if (external) { + mac_addr = ether_addr_to_u64(new_mac); + } else { + /* Internal mac address change */ + if (priv->bss_type == NXPWIFI_BSS_TYPE_ANY) + return -EOPNOTSUPP; + + mac_addr = old_mac_addr; + + if (priv->adapter->priv[0] != priv) { + /* Set mac address based on bss_type/bss_num */ + mac_addr ^= BIT_ULL(priv->bss_type + 8); + mac_addr += priv->bss_num; + } + } + + u64_to_ether_addr(mac_addr, priv->curr_addr); + + /* Send request to firmware */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_MAC_ADDRESS, + HOST_ACT_GEN_SET, 0, NULL, true); + + if (ret) { + u64_to_ether_addr(old_mac_addr, priv->curr_addr); + nxpwifi_dbg(priv->adapter, ERROR, + "set mac address failed: ret=%d\n", ret); + return ret; + } + + eth_hw_addr_set(dev, priv->curr_addr); + return 0; +} + +/* ndo_set_mac_address: set MAC via firmware. */ +static int +nxpwifi_ndo_set_mac_address(struct net_device *dev, void *addr) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct sockaddr *hw_addr = addr; + + return nxpwifi_set_mac_address(priv, dev, true, hw_addr->sa_data); +} + +/* ndo_set_rx_mode: promisc/allmulti or program multicast. */ +static void nxpwifi_set_multicast_list(struct net_device *dev) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_multicast_list mcast_list; + + if (dev->flags & IFF_PROMISC) { + mcast_list.mode = NXPWIFI_PROMISC_MODE; + } else if (dev->flags & IFF_ALLMULTI || + netdev_mc_count(dev) > NXPWIFI_MAX_MULTICAST_LIST_SIZE) { + mcast_list.mode = NXPWIFI_ALL_MULTI_MODE; + } else { + mcast_list.mode = NXPWIFI_MULTICAST_MODE; + mcast_list.num_multicast_addr = + nxpwifi_copy_mcast_addr(&mcast_list, dev); + } + nxpwifi_request_set_multicast_list(priv, &mcast_list); +} + +/* ndo_tx_timeout: account; reset card on threshold. */ +static void +nxpwifi_tx_timeout(struct net_device *dev, unsigned int txqueue) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + + priv->num_tx_timeout++; + priv->tx_timeout_cnt++; + nxpwifi_dbg(priv->adapter, ERROR, + "%lu : Tx timeout(#%d), bss_type-num = %d-%d\n", + jiffies, priv->tx_timeout_cnt, priv->bss_type, + priv->bss_num); + nxpwifi_set_trans_start(dev); + + if (priv->tx_timeout_cnt > TX_TIMEOUT_THRESHOLD && + priv->adapter->if_ops.card_reset) { + nxpwifi_dbg(priv->adapter, ERROR, + "tx_timeout_cnt exceeds threshold.\t" + "Triggering card reset!\n"); + priv->adapter->if_ops.card_reset(priv->adapter); + } +} + +void nxpwifi_upload_device_dump(struct nxpwifi_adapter *adapter) +{ + /* + * Dump all the memory data into single file, a userspace script will + * be used to split all the memory data to multiple files + */ + nxpwifi_dbg(adapter, MSG, + "== nxpwifi dump information to /sys/class/devcoredump start\n"); + dev_coredumpv(adapter->dev, adapter->devdump_data, adapter->devdump_len, + GFP_KERNEL); + nxpwifi_dbg(adapter, MSG, + "== nxpwifi dump information to /sys/class/devcoredump end\n"); + + /* + * Device dump data will be freed in device coredump release function + * after 5 min. Here reset adapter->devdump_data and ->devdump_len + * to avoid it been accidentally reused. + */ + adapter->devdump_data = NULL; + adapter->devdump_len = 0; +} +EXPORT_SYMBOL_GPL(nxpwifi_upload_device_dump); + +void nxpwifi_drv_info_dump(struct nxpwifi_adapter *adapter) +{ + char *p; + char drv_version[64]; + struct sdio_mmc_card *sdio_card; + struct nxpwifi_private *priv; + int i, idx; + struct netdev_queue *txq; + struct nxpwifi_debug_info *debug_info; + + nxpwifi_dbg(adapter, MSG, "===nxpwifi driverinfo dump start===\n"); + + p = adapter->devdump_data; + strscpy(p, "========Start dump driverinfo========\n", NXPWIFI_FW_DUMP_SIZE); + p += strlen("========Start dump driverinfo========\n"); + p += sprintf(p, "driver_name = "); + p += sprintf(p, "\"nxpwifi\"\n"); + + nxpwifi_drv_get_driver_version(adapter, drv_version, + sizeof(drv_version) - 1); + p += sprintf(p, "driver_version = %s\n", drv_version); + + p += sprintf(p, "tx_pending = %d\n", + atomic_read(&adapter->tx_pending)); + p += sprintf(p, "rx_pending = %d\n", + atomic_read(&adapter->rx_pending)); + + if (adapter->iface_type == NXPWIFI_SDIO) { + sdio_card = (struct sdio_mmc_card *)adapter->card; + p += sprintf(p, "\nmp_rd_bitmap=0x%x curr_rd_port=0x%x\n", + sdio_card->mp_rd_bitmap, sdio_card->curr_rd_port); + p += sprintf(p, "mp_wr_bitmap=0x%x curr_wr_port=0x%x\n", + sdio_card->mp_wr_bitmap, sdio_card->curr_wr_port); + } + + for (i = 0; i < adapter->priv_num; i++) { + if (!adapter->priv[i]->netdev) + continue; + priv = adapter->priv[i]; + p += sprintf(p, "\n[interface : \"%s\"]\n", + priv->netdev->name); + p += sprintf(p, "wmm_tx_pending[0] = %d\n", + atomic_read(&priv->wmm_tx_pending[0])); + p += sprintf(p, "wmm_tx_pending[1] = %d\n", + atomic_read(&priv->wmm_tx_pending[1])); + p += sprintf(p, "wmm_tx_pending[2] = %d\n", + atomic_read(&priv->wmm_tx_pending[2])); + p += sprintf(p, "wmm_tx_pending[3] = %d\n", + atomic_read(&priv->wmm_tx_pending[3])); + p += sprintf(p, "media_state=\"%s\"\n", !priv->media_connected ? + "Disconnected" : "Connected"); + p += sprintf(p, "carrier %s\n", (netif_carrier_ok(priv->netdev) + ? "on" : "off")); + for (idx = 0; idx < priv->netdev->num_tx_queues; idx++) { + txq = netdev_get_tx_queue(priv->netdev, idx); + p += sprintf(p, "tx queue %d:%s ", idx, + netif_tx_queue_stopped(txq) ? + "stopped" : "started"); + } + p += sprintf(p, "\n%s: num_tx_timeout = %d\n", + priv->netdev->name, priv->num_tx_timeout); + } + + if (adapter->iface_type == NXPWIFI_SDIO) { + p += sprintf(p, "\n=== %s register dump===\n", "SDIO"); + if (adapter->if_ops.reg_dump) + p += adapter->if_ops.reg_dump(adapter, p); + } + p += sprintf(p, "\n=== more debug information\n"); + debug_info = kzalloc_obj(*debug_info, GFP_KERNEL); + if (debug_info) { + for (i = 0; i < adapter->priv_num; i++) { + if (!adapter->priv[i]->netdev) + continue; + priv = adapter->priv[i]; + nxpwifi_get_debug_info(priv, debug_info); + p += nxpwifi_debug_info_to_buffer(priv, p, debug_info); + break; + } + kfree(debug_info); + } + + p += sprintf(p, "\n========End dump========\n"); + nxpwifi_dbg(adapter, MSG, "===nxpwifi driverinfo dump end===\n"); + adapter->devdump_len = p - (char *)adapter->devdump_data; +} +EXPORT_SYMBOL_GPL(nxpwifi_drv_info_dump); + +void nxpwifi_prepare_fw_dump_info(struct nxpwifi_adapter *adapter) +{ + u8 idx; + char *fw_dump_ptr; + u32 dump_len = 0; + + for (idx = 0; idx < adapter->num_mem_types; idx++) { + struct memory_type_mapping *entry = + &adapter->mem_type_mapping_tbl[idx]; + + if (entry->mem_ptr) { + dump_len += (strlen("========Start dump ") + + strlen(entry->mem_name) + + strlen("========\n") + + (entry->mem_size + 1) + + strlen("\n========End dump========\n")); + } + } + + if (dump_len + 1 + adapter->devdump_len > NXPWIFI_FW_DUMP_SIZE) { + /* Realloc in case buffer overflow */ + fw_dump_ptr = vzalloc(dump_len + 1 + adapter->devdump_len); + nxpwifi_dbg(adapter, MSG, "Realloc device dump data.\n"); + if (!fw_dump_ptr) { + vfree(adapter->devdump_data); + nxpwifi_dbg(adapter, ERROR, + "vzalloc devdump data failure!\n"); + return; + } + + memmove(fw_dump_ptr, adapter->devdump_data, + adapter->devdump_len); + vfree(adapter->devdump_data); + adapter->devdump_data = fw_dump_ptr; + } + + fw_dump_ptr = (char *)adapter->devdump_data + adapter->devdump_len; + + for (idx = 0; idx < adapter->num_mem_types; idx++) { + struct memory_type_mapping *entry = + &adapter->mem_type_mapping_tbl[idx]; + + if (entry->mem_ptr) { + fw_dump_ptr += sprintf(fw_dump_ptr, "========Start dump "); + fw_dump_ptr += sprintf(fw_dump_ptr, "%s", entry->mem_name); + fw_dump_ptr += sprintf(fw_dump_ptr, "========\n"); + memcpy(fw_dump_ptr, entry->mem_ptr, entry->mem_size); + fw_dump_ptr += entry->mem_size; + fw_dump_ptr += sprintf(fw_dump_ptr, "\n========End dump========\n"); + } + } + + adapter->devdump_len = fw_dump_ptr - (char *)adapter->devdump_data; + + for (idx = 0; idx < adapter->num_mem_types; idx++) { + struct memory_type_mapping *entry = + &adapter->mem_type_mapping_tbl[idx]; + + vfree(entry->mem_ptr); + entry->mem_ptr = NULL; + entry->mem_size = 0; + } +} +EXPORT_SYMBOL_GPL(nxpwifi_prepare_fw_dump_info); + +/* ndo_get_stats: return netdev stats. */ +static struct net_device_stats *nxpwifi_get_stats(struct net_device *dev) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + + return &priv->stats; +} + +static u16 +nxpwifi_netdev_select_wmm_queue(struct net_device *dev, struct sk_buff *skb, + struct net_device *sb_dev) +{ + skb->priority = cfg80211_classify8021d(skb, NULL); + return nxpwifi_1d_to_wmm_queue[skb->priority]; +} + +/* Network device handlers */ +static const struct net_device_ops nxpwifi_netdev_ops = { + .ndo_open = nxpwifi_open, + .ndo_stop = nxpwifi_close, + .ndo_start_xmit = nxpwifi_hard_start_xmit, + .ndo_set_mac_address = nxpwifi_ndo_set_mac_address, + .ndo_validate_addr = eth_validate_addr, + .ndo_tx_timeout = nxpwifi_tx_timeout, + .ndo_get_stats = nxpwifi_get_stats, + .ndo_set_rx_mode = nxpwifi_set_multicast_list, + .ndo_select_queue = nxpwifi_netdev_select_wmm_queue, +}; + +/* Init per-interface defaults: ops, addrs, mgmt IEs, stats. */ +void nxpwifi_init_priv_params(struct nxpwifi_private *priv, + struct net_device *dev) +{ + dev->netdev_ops = &nxpwifi_netdev_ops; + dev->needs_free_netdev = true; + /* Initialize private structure */ + priv->current_key_index = 0; + priv->media_connected = false; + memset(priv->mgmt_ie, 0, + sizeof(struct nxpwifi_ie) * MAX_MGMT_IE_INDEX); + priv->beacon_idx = NXPWIFI_AUTO_IDX_MASK; + priv->proberesp_idx = NXPWIFI_AUTO_IDX_MASK; + priv->assocresp_idx = NXPWIFI_AUTO_IDX_MASK; + priv->gen_idx = NXPWIFI_AUTO_IDX_MASK; + priv->num_tx_timeout = 0; + if (is_valid_ether_addr(dev->dev_addr)) + ether_addr_copy(priv->curr_addr, dev->dev_addr); + else + ether_addr_copy(priv->curr_addr, priv->adapter->perm_addr); + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA || + GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + priv->hist_data = kmalloc_obj(*priv->hist_data, GFP_KERNEL); + if (priv->hist_data) + nxpwifi_hist_data_reset(priv); + } +} + +/* Return true if any command is pending. */ +int nxpwifi_is_command_pending(struct nxpwifi_adapter *adapter) +{ + int is_cmd_pend_q_empty; + + spin_lock_bh(&adapter->cmd_pending_q_lock); + is_cmd_pend_q_empty = list_empty(&adapter->cmd_pending_q); + spin_unlock_bh(&adapter->cmd_pending_q_lock); + + return !is_cmd_pend_q_empty; +} + +/* Host MLME work: deliver RX; handle assoc/link-loss. */ +static void nxpwifi_host_mlme_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct nxpwifi_adapter *adapter = + container_of(work, struct nxpwifi_adapter, host_mlme_work); + struct sk_buff *skb; + struct nxpwifi_rxinfo *rx_info; + struct nxpwifi_private *priv; + + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags)) + return; + + while ((skb = skb_dequeue(&adapter->rx_mlme_q))) { + rx_info = NXPWIFI_SKB_RXCB(skb); + priv = adapter->priv[rx_info->bss_num]; + cfg80211_rx_mlme_mgmt(priv->netdev, + skb->data, + rx_info->pkt_len); + } + + /* Check for host mlme disconnection */ + if (adapter->host_mlme_link_lost) { + if (adapter->priv_link_lost) { + nxpwifi_reset_connect_state(adapter->priv_link_lost, + WLAN_REASON_DEAUTH_LEAVING, + true); + adapter->priv_link_lost = NULL; + } + adapter->host_mlme_link_lost = false; + } + + /* Check for host mlme Assoc Resp */ + if (adapter->assoc_resp_received) { + nxpwifi_process_assoc_resp(adapter); + adapter->assoc_resp_received = false; + } +} + +/* RX work: process RX queue. */ +static void nxpwifi_rx_work(struct work_struct *work) +{ + struct nxpwifi_adapter *adapter = + container_of(work, struct nxpwifi_adapter, rx_work); + + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags)) + return; + nxpwifi_process_rx(adapter); +} + +/* Main work: run nxpwifi_main_process(). */ +static void nxpwifi_main_work(struct work_struct *work) +{ + struct nxpwifi_adapter *adapter = + container_of(work, struct nxpwifi_adapter, main_work); + + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags)) + return; + nxpwifi_main_process(adapter); +} + +/* Teardown: disable IRQs, stop queues, shutdown, remove ifaces, unreg. */ +static void nxpwifi_uninit_sw(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + int i; + + /* + * We can no longer handle interrupts once we start doing the teardown + * below. + */ + if (adapter->if_ops.disable_int) + adapter->if_ops.disable_int(adapter); + + set_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags); + nxpwifi_terminate_workqueue(adapter); + adapter->int_status = 0; + + /* Stop data */ + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (priv->netdev) { + nxpwifi_stop_net_dev_queue(priv->netdev, adapter); + netif_carrier_off(priv->netdev); + netif_device_detach(priv->netdev); + } + } + + nxpwifi_dbg(adapter, CMD, "cmd: calling nxpwifi_shutdown_drv...\n"); + nxpwifi_shutdown_drv(adapter); + nxpwifi_dbg(adapter, CMD, "cmd: nxpwifi_shutdown_drv done\n"); + + if (atomic_read(&adapter->rx_pending) || + atomic_read(&adapter->tx_pending) || + atomic_read(&adapter->cmd_pending)) { + nxpwifi_dbg(adapter, ERROR, + "rx_pending=%d, tx_pending=%d,\t" + "cmd_pending=%d\n", + atomic_read(&adapter->rx_pending), + atomic_read(&adapter->tx_pending), + atomic_read(&adapter->cmd_pending)); + } + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + rtnl_lock(); + if (priv->netdev && + priv->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED) { + /* + * Close the netdev now, because if we do it later, the + * netdev notifiers will need to acquire the wiphy lock + * again --> deadlock. + */ + dev_close(priv->wdev.netdev); + wiphy_lock(adapter->wiphy); + nxpwifi_del_virtual_intf(adapter->wiphy, &priv->wdev); + wiphy_unlock(adapter->wiphy); + } + rtnl_unlock(); + } + + wiphy_unregister(adapter->wiphy); + wiphy_free(adapter->wiphy); + adapter->wiphy = NULL; + + vfree(adapter->chan_stats); + nxpwifi_free_cmd_buffers(adapter); +} + +/* Shut down SW/FW and mark device down. */ +void nxpwifi_shutdown_sw(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + + if (!adapter) + return; + + wait_for_completion(adapter->fw_done); + /* Caller should ensure we aren't suspending while this happens */ + reinit_completion(adapter->fw_done); + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + nxpwifi_deauthenticate(priv, NULL); + + nxpwifi_init_shutdown_fw(priv, NXPWIFI_FUNC_SHUTDOWN); + + nxpwifi_uninit_sw(adapter); + adapter->is_up = false; +} +EXPORT_SYMBOL_GPL(nxpwifi_shutdown_sw); + +/* Re-init adapter SW and bring device up. */ +int +nxpwifi_reinit_sw(struct nxpwifi_adapter *adapter) +{ + int ret = 0; + + nxpwifi_init_lock_list(adapter); + if (adapter->if_ops.up_dev) + adapter->if_ops.up_dev(adapter); + + adapter->hw_status = NXPWIFI_HW_STATUS_INITIALIZING; + clear_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags); + clear_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags); + adapter->hs_activated = false; + clear_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags); + init_waitqueue_head(&adapter->hs_activate_wait_q); + init_waitqueue_head(&adapter->cmd_wait_q.wait); + adapter->cmd_wait_q.status = 0; + adapter->scan_wait_q_woken = false; + + if (num_possible_cpus() > 1) + adapter->rx_work_enabled = true; + + adapter->workqueue = + alloc_workqueue("NXPWIFI_WORK_QUEUE", + WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_UNBOUND, 0); + if (!adapter->workqueue) { + ret = -ENOMEM; + goto err_kmalloc; + } + + INIT_WORK(&adapter->main_work, nxpwifi_main_work); + + if (adapter->rx_work_enabled) { + adapter->rx_workqueue = alloc_workqueue("NXPWIFI_RX_WORK_QUEUE", + WQ_HIGHPRI | + WQ_MEM_RECLAIM | + WQ_UNBOUND, 0); + if (!adapter->rx_workqueue) { + ret = -ENOMEM; + goto err_kmalloc; + } + INIT_WORK(&adapter->rx_work, nxpwifi_rx_work); + } + + wiphy_work_init(&adapter->host_mlme_work, nxpwifi_host_mlme_work); + + /* + * Register the device. Fill up the private data structure with + * relevant information from the card. Some code extracted from + * nxpwifi_register_dev() + */ + nxpwifi_dbg(adapter, INFO, "%s, nxpwifi_init_hw_fw()...\n", __func__); + + ret = nxpwifi_init_hw_fw(adapter, false); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "%s: firmware init failed\n", __func__); + goto err_init_fw; + } + + /* _nxpwifi_fw_dpc() does its own cleanup */ + ret = _nxpwifi_fw_dpc(adapter->firmware, adapter); + if (ret) { + pr_err("Failed to bring up adapter: %d\n", ret); + return ret; + } + nxpwifi_dbg(adapter, INFO, "%s, successful\n", __func__); + + return ret; + +err_init_fw: + nxpwifi_dbg(adapter, ERROR, "info: %s: unregister device\n", __func__); + if (adapter->if_ops.unregister_dev) + adapter->if_ops.unregister_dev(adapter); + +err_kmalloc: + set_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags); + nxpwifi_terminate_workqueue(adapter); + if (adapter->hw_status == NXPWIFI_HW_STATUS_READY) { + nxpwifi_dbg(adapter, ERROR, + "info: %s: shutdown nxpwifi\n", __func__); + nxpwifi_shutdown_drv(adapter); + nxpwifi_free_cmd_buffers(adapter); + } + + complete_all(adapter->fw_done); + nxpwifi_dbg(adapter, INFO, "%s, error\n", __func__); + + return ret; +} +EXPORT_SYMBOL_GPL(nxpwifi_reinit_sw); + +/* Add card: register adapter, workqueues, device; request FW (async). */ +int +nxpwifi_add_card(void *card, struct completion *fw_done, + struct nxpwifi_if_ops *if_ops, u8 iface_type, + struct device *dev) +{ + struct nxpwifi_adapter *adapter; + int ret = 0; + + adapter = nxpwifi_register(card, dev, if_ops); + if (IS_ERR(adapter)) { + ret = PTR_ERR(adapter); + pr_err("%s: adapter register failed %d\n", __func__, ret); + goto err_init_sw; + } + + adapter->iface_type = iface_type; + adapter->fw_done = fw_done; + + adapter->hw_status = NXPWIFI_HW_STATUS_INITIALIZING; + clear_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags); + clear_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags); + adapter->hs_activated = false; + init_waitqueue_head(&adapter->hs_activate_wait_q); + init_waitqueue_head(&adapter->cmd_wait_q.wait); + adapter->cmd_wait_q.status = 0; + adapter->scan_wait_q_woken = false; + + if (num_possible_cpus() > 1) + adapter->rx_work_enabled = true; + + adapter->workqueue = + alloc_workqueue("NXPWIFI_WORK_QUEUE", + WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_UNBOUND, 0); + if (!adapter->workqueue) { + ret = -ENOMEM; + goto err_kmalloc; + } + + INIT_WORK(&adapter->main_work, nxpwifi_main_work); + + if (adapter->rx_work_enabled) { + adapter->rx_workqueue = alloc_workqueue("NXPWIFI_RX_WORK_QUEUE", + WQ_HIGHPRI | + WQ_MEM_RECLAIM | + WQ_UNBOUND, 0); + if (!adapter->rx_workqueue) { + ret = -ENOMEM; + goto err_kmalloc; + } + + INIT_WORK(&adapter->rx_work, nxpwifi_rx_work); + } + + wiphy_work_init(&adapter->host_mlme_work, nxpwifi_host_mlme_work); + + /* + * Register the device. Fill up the private data structure with relevant + * information from the card. + */ + ret = adapter->if_ops.register_dev(adapter); + if (ret) { + pr_err("%s: failed to register nxpwifi device\n", __func__); + goto err_registerdev; + } + + ret = nxpwifi_init_hw_fw(adapter, true); + if (ret) { + pr_err("%s: firmware init failed\n", __func__); + goto err_init_fw; + } + + return ret; + +err_init_fw: + pr_debug("info: %s: unregister device\n", __func__); + if (adapter->if_ops.unregister_dev) + adapter->if_ops.unregister_dev(adapter); +err_registerdev: + set_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags); + +err_kmalloc: + nxpwifi_terminate_workqueue(adapter); + + if (adapter->hw_status == NXPWIFI_HW_STATUS_READY) { + pr_debug("info: %s: shutdown nxpwifi\n", __func__); + nxpwifi_shutdown_drv(adapter); + nxpwifi_free_cmd_buffers(adapter); + } + + nxpwifi_free_adapter(adapter); + +err_init_sw: + + return ret; +} +EXPORT_SYMBOL_GPL(nxpwifi_add_card); + +/* Remove card: teardown SW, unregister device, free adapter. */ +void nxpwifi_remove_card(struct nxpwifi_adapter *adapter) +{ + if (!adapter) + return; + + if (adapter->is_up) + nxpwifi_uninit_sw(adapter); + + /* Unregister device */ + nxpwifi_dbg(adapter, INFO, + "info: unregister device\n"); + if (adapter->if_ops.unregister_dev) + adapter->if_ops.unregister_dev(adapter); + /* Free adapter structure */ + nxpwifi_dbg(adapter, INFO, + "info: free adapter\n"); + nxpwifi_free_adapter(adapter); +} +EXPORT_SYMBOL_GPL(nxpwifi_remove_card); + +void _nxpwifi_dbg(const struct nxpwifi_adapter *adapter, int mask, + const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + + if (!(adapter->debug_mask & mask)) + return; + + va_start(args, fmt); + + vaf.fmt = fmt; + vaf.va = &args; + + if (adapter->dev) + dev_info(adapter->dev, "%pV", &vaf); + else + pr_info("%pV", &vaf); + + va_end(args); +} +EXPORT_SYMBOL_GPL(_nxpwifi_dbg); + +/* Module init: init debugfs if enabled. */ +static int +nxpwifi_init_module(void) +{ +#ifdef CONFIG_DEBUG_FS + nxpwifi_debugfs_init(); +#endif + return 0; +} + +/* Module exit: remove debugfs if enabled. */ +static void +nxpwifi_cleanup_module(void) +{ +#ifdef CONFIG_DEBUG_FS + nxpwifi_debugfs_remove(); +#endif +} + +module_init(nxpwifi_init_module); +module_exit(nxpwifi_cleanup_module); + +MODULE_AUTHOR("NXP International Ltd."); +MODULE_DESCRIPTION("NXP WiFi Driver version " VERSION); +MODULE_VERSION(VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/wireless/nxp/nxpwifi/main.h b/drivers/net/wireless/nxp/nxpwifi/main.h new file mode 100644 index 000000000000..4abf80771be2 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/main.h @@ -0,0 +1,1429 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * nxpwifi: main data structures and prototypes + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_MAIN_H_ +#define _NXPWIFI_MAIN_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "sdio.h" + +extern char nxpwifi_driver_version[]; + +struct nxpwifi_adapter; +struct nxpwifi_private; + +/* command type */ +enum { + NXPWIFI_ASYNC_CMD, + NXPWIFI_SYNC_CMD +}; + +#define NXPWIFI_MAX_AP 64 + +#define NXPWIFI_MAX_PKTS_TXQ 16 + +#define NXPWIFI_DEFAULT_WATCHDOG_TIMEOUT (5 * HZ) + +#define NXPWIFI_TIMER_10S 10000 +#define NXPWIFI_TIMER_1S 1000 + +#define MAX_TX_PENDING 400 +#define LOW_TX_PENDING 380 + +#define HIGH_RX_PENDING 50 +#define LOW_RX_PENDING 20 + +#define NXPWIFI_UPLD_SIZE (2312) + +#define MAX_EVENT_SIZE 2048 + +#define NXPWIFI_FW_DUMP_SIZE (2 * 1024 * 1024) + +#define ARP_FILTER_MAX_BUF_SIZE 68 + +#define NXPWIFI_KEY_BUFFER_SIZE 16 +#define NXPWIFI_DEFAULT_LISTEN_INTERVAL 10 +#define NXPWIFI_MAX_REGION_CODE 9 + +#define DEFAULT_BCN_AVG_FACTOR 8 +#define DEFAULT_DATA_AVG_FACTOR 8 + +#define FIRST_VALID_CHANNEL 0xff + +#define DEFAULT_BCN_MISS_TIMEOUT 5 + +#define MAX_SCAN_BEACON_BUFFER 8000 + +#define SCAN_BEACON_ENTRY_PAD 6 + +#define NXPWIFI_PASSIVE_SCAN_CHAN_TIME 110 +#define NXPWIFI_ACTIVE_SCAN_CHAN_TIME 40 +#define NXPWIFI_SPECIFIC_SCAN_CHAN_TIME 40 +#define NXPWIFI_DEF_SCAN_CHAN_GAP_TIME 50 + +#define SCAN_RSSI(RSSI) (0x100 - ((u8)(RSSI))) + +#define NXPWIFI_MAX_TOTAL_SCAN_TIME (NXPWIFI_TIMER_10S - NXPWIFI_TIMER_1S) + +#define WPA_GTK_OUI_OFFSET 2 +#define RSN_GTK_OUI_OFFSET 2 + +#define NXPWIFI_OUI_NOT_PRESENT 0 +#define NXPWIFI_OUI_PRESENT 1 + +#define PKT_TYPE_MGMT 0xE5 +#define PKT_TYPE_802DOT11 0x05 +/* check if any data / resp / event is received from card */ +#define IS_CARD_RX_RCVD(adapter) ({ \ + typeof(adapter) (_adapter) = adapter; \ + ((_adapter)->cmd_resp_received || \ + (_adapter)->event_received || \ + (_adapter)->data_received); \ + }) + +#define NXPWIFI_TYPE_DATA 0 +#define NXPWIFI_TYPE_CMD 1 +#define NXPWIFI_TYPE_EVENT 3 +#define NXPWIFI_TYPE_VDLL 4 +#define NXPWIFI_TYPE_AGGR_DATA 10 + +#define MAX_BITMAP_RATES_SIZE 18 + +#define MAX_CHANNEL_BAND_BG 14 +#define MAX_CHANNEL_BAND_A 165 + +#define MAX_FREQUENCY_BAND_BG 2484 + +#define NXPWIFI_EVENT_HEADER_LEN 4 +#define NXPWIFI_UAP_EVENT_EXTRA_HEADER 2 + +#define NXPWIFI_TYPE_LEN 4 +#define NXPWIFI_USB_TYPE_CMD 0xF00DFACE +#define NXPWIFI_USB_TYPE_DATA 0xBEADC0DE +#define NXPWIFI_USB_TYPE_EVENT 0xBEEFFACE + +/* tx_timeout threshold to trigger card reset */ +#define TX_TIMEOUT_THRESHOLD 6 + +#define NXPWIFI_DRV_INFO_SIZE_MAX 0x40000 + +/* address alignment helper */ +#define NXPWIFI_ALIGN_ADDR(p, a) ({ \ + typeof(a) (_a) = a; \ + (((long)(p) + (_a) - 1) & ~((_a) - 1)); \ + }) + +#define NXPWIFI_MAC_LOCAL_ADMIN_BIT 41 + +/* bit helper */ +#define MBIT(x) (((u32)1) << (x)) + +/* enum nxpwifi_debug_level - nxp wifi debug level */ +enum NXPWIFI_DEBUG_LEVEL { + NXPWIFI_DBG_MSG = 0x00000001, + NXPWIFI_DBG_FATAL = 0x00000002, + NXPWIFI_DBG_ERROR = 0x00000004, + NXPWIFI_DBG_DATA = 0x00000008, + NXPWIFI_DBG_CMD = 0x00000010, + NXPWIFI_DBG_EVENT = 0x00000020, + NXPWIFI_DBG_INTR = 0x00000040, + NXPWIFI_DBG_IOCTL = 0x00000080, + NXPWIFI_DBG_MPA_D = 0x00008000, + NXPWIFI_DBG_DAT_D = 0x00010000, + NXPWIFI_DBG_CMD_D = 0x00020000, + NXPWIFI_DBG_EVT_D = 0x00040000, + NXPWIFI_DBG_FW_D = 0x00080000, + NXPWIFI_DBG_IF_D = 0x00100000, + NXPWIFI_DBG_ENTRY = 0x10000000, + NXPWIFI_DBG_WARN = 0x20000000, + NXPWIFI_DBG_INFO = 0x40000000, + NXPWIFI_DBG_DUMP = 0x80000000, + NXPWIFI_DBG_ANY = 0xffffffff +}; + +#define NXPWIFI_DEFAULT_DEBUG_MASK (NXPWIFI_DBG_MSG | \ + NXPWIFI_DBG_FATAL | \ + NXPWIFI_DBG_ERROR) + +__printf(3, 4) +void _nxpwifi_dbg(const struct nxpwifi_adapter *adapter, int mask, + const char *fmt, ...); +#define nxpwifi_dbg(adapter, mask, fmt, ...) \ + _nxpwifi_dbg(adapter, NXPWIFI_DBG_##mask, fmt, ##__VA_ARGS__) + +#define DEBUG_DUMP_DATA_MAX_LEN 128 +#define nxpwifi_dbg_dump(adapter, dbg_mask, str, buf, len) \ +do { \ + if ((adapter)->debug_mask & NXPWIFI_DBG_##dbg_mask) \ + print_hex_dump(KERN_DEBUG, str, \ + DUMP_PREFIX_OFFSET, 16, 1, \ + buf, len, false); \ +} while (0) + +/* Min BGSCAN interval 15 second */ +#define NXPWIFI_BGSCAN_INTERVAL 15000 +/* bgscan interval (ms) and default repeat count */ +#define NXPWIFI_BGSCAN_REPEAT_COUNT 6 + +struct nxpwifi_dbg { + u32 num_cmd_host_to_card_failure; + u32 num_cmd_sleep_cfm_host_to_card_failure; + u32 num_tx_host_to_card_failure; + u32 num_event_deauth; + u32 num_event_disassoc; + u32 num_event_link_lost; + u32 num_cmd_deauth; + u32 num_cmd_assoc_success; + u32 num_cmd_assoc_failure; + u32 num_tx_timeout; + u16 timeout_cmd_id; + u16 timeout_cmd_act; + u16 last_cmd_id[DBG_CMD_NUM]; + u16 last_cmd_act[DBG_CMD_NUM]; + u16 last_cmd_index; + u16 last_cmd_resp_id[DBG_CMD_NUM]; + u16 last_cmd_resp_index; + u16 last_event[DBG_CMD_NUM]; + u16 last_event_index; + u32 last_mp_wr_bitmap[NXPWIFI_DBG_SDIO_MP_NUM]; + u32 last_mp_wr_ports[NXPWIFI_DBG_SDIO_MP_NUM]; + u32 last_mp_wr_len[NXPWIFI_DBG_SDIO_MP_NUM]; + u32 last_mp_curr_wr_port[NXPWIFI_DBG_SDIO_MP_NUM]; + u8 last_sdio_mp_index; +}; + +enum NXPWIFI_HARDWARE_STATUS { + NXPWIFI_HW_STATUS_READY, + NXPWIFI_HW_STATUS_INITIALIZING, + NXPWIFI_HW_STATUS_RESET, + NXPWIFI_HW_STATUS_NOT_READY +}; + +enum NXPWIFI_802_11_POWER_MODE { + NXPWIFI_802_11_POWER_MODE_CAM, + NXPWIFI_802_11_POWER_MODE_PSP +}; + +struct nxpwifi_tx_param { + u32 next_pkt_len; +}; + +enum NXPWIFI_PS_STATE { + PS_STATE_AWAKE, + PS_STATE_PRE_SLEEP, + PS_STATE_SLEEP_CFM, + PS_STATE_SLEEP +}; + +enum nxpwifi_iface_type { + NXPWIFI_SDIO +}; + +struct nxpwifi_add_ba_param { + u32 tx_win_size; + u32 rx_win_size; + u32 timeout; + u8 tx_amsdu; + u8 rx_amsdu; +}; + +struct nxpwifi_tx_aggr { + u8 ampdu_user; + u8 ampdu_ap; + u8 amsdu; +}; + +enum nxpwifi_ba_status { + BA_SETUP_NONE = 0, + BA_SETUP_INPROGRESS, + BA_SETUP_COMPLETE +}; + +struct nxpwifi_ra_list_tbl { + struct list_head list; + struct sk_buff_head skb_head; + u8 ra[ETH_ALEN]; + u32 is_11n_enabled; + u16 max_amsdu; + u16 ba_pkt_count; + u8 ba_packet_thr; + enum nxpwifi_ba_status ba_status; + u8 amsdu_in_ampdu; + u16 total_pkt_count; + bool tx_paused; +}; + +struct nxpwifi_tid_tbl { + struct list_head ra_list; +}; + +#define WMM_HIGHEST_PRIORITY 7 +#define HIGH_PRIO_TID 7 +#define LOW_PRIO_TID 0 +#define NO_PKT_PRIO_TID -1 +#define NXPWIFI_WMM_DRV_DELAY_MAX 510 + +struct nxpwifi_wmm_desc { + struct nxpwifi_tid_tbl tid_tbl_ptr[MAX_NUM_TID]; + u32 packets_out[MAX_NUM_TID]; + u32 pkts_paused[MAX_NUM_TID]; + /* protects ra_list */ + spinlock_t ra_list_spinlock; + struct nxpwifi_wmm_ac_status ac_status[IEEE80211_NUM_ACS]; + enum nxpwifi_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS]; + u32 drv_pkt_delay_max; + u8 queue_priority[IEEE80211_NUM_ACS]; + u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1]; /* UP: 0 to 7 */ + /* number of queued TX packets */ + atomic_t tx_pkts_queued; + /* highest priority currently queued */ + atomic_t highest_queued_prio; +}; + +struct nxpwifi_802_11_security { + u8 wpa_enabled; + u8 wpa2_enabled; + u8 wep_enabled; + u32 authentication_mode; + u8 is_authtype_auto; + u32 encryption_mode; +}; + +struct ieee_types_vendor_specific { + struct ieee80211_vendor_ie vend_hdr; + u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee80211_vendor_ie)]; +} __packed; + +struct nxpwifi_bssdescriptor { + u8 mac_address[ETH_ALEN]; + struct cfg80211_ssid ssid; + u32 privacy; + s32 rssi; + u32 channel; + u32 freq; + u16 beacon_period; + u8 erp_flags; + u32 bss_mode; + u8 supported_rates[NXPWIFI_SUPPORTED_RATES]; + u8 data_rates[NXPWIFI_SUPPORTED_RATES]; + u16 bss_band; + u64 fw_tsf; + u64 timestamp; + union ieee_types_phy_param_set phy_param_set; + struct ieee_types_cf_param_set cf_param_set; + u16 cap_info_bitmap; + struct ieee80211_wmm_param_ie wmm_ie; + u8 disable_11n; + struct ieee80211_ht_cap *bcn_ht_cap; + u16 ht_cap_offset; + struct ieee80211_ht_operation *bcn_ht_oper; + u16 ht_info_offset; + u8 *bcn_bss_co_2040; + u16 bss_co_2040_offset; + u8 *bcn_ext_cap; + u16 ext_cap_offset; + struct ieee80211_vht_cap *bcn_vht_cap; + u16 vht_cap_offset; + struct ieee80211_vht_operation *bcn_vht_oper; + u16 vht_info_offset; + struct ieee_types_oper_mode_ntf *oper_mode; + u16 oper_mode_offset; + u8 disable_11ac; + struct ieee80211_he_cap_elem *bcn_he_cap; + u16 he_cap_offset; + struct ieee80211_he_operation *bcn_he_oper; + u16 he_info_offset; + u8 disable_11ax; + struct ieee_types_vendor_specific *bcn_wpa_ie; + u16 wpa_offset; + struct element *bcn_rsn_ie; + u16 rsn_offset; + struct element *bcn_rsnx_ie; + u16 rsnx_offset; + u8 *beacon_buf; + u32 beacon_buf_size; + u8 sensed_11h; + u8 local_constraint; + u8 chan_sw_ie_present; +}; + +struct nxpwifi_current_bss_params { + struct nxpwifi_bssdescriptor bss_descriptor; + bool wmm_enabled; + bool wmm_uapsd_enabled; + u8 band; + u32 num_of_rates; + u8 data_rates[NXPWIFI_SUPPORTED_RATES]; +}; + +struct nxpwifi_sleep_period { + u16 period; + u16 reserved; +}; + +struct nxpwifi_wep_key { + u32 length; + u32 key_index; + u32 key_length; + u8 key_material[NXPWIFI_KEY_BUFFER_SIZE]; +}; + +#define MAX_REGION_CHANNEL_NUM 2 + +struct nxpwifi_chan_freq_power { + u16 channel; + u32 freq; + u16 max_tx_power; + u8 unsupported; +}; + +enum state_11d_t { + DISABLE_11D = 0, + ENABLE_11D = 1, +}; + +#define NXPWIFI_MAX_TRIPLET_802_11D 83 + +struct nxpwifi_802_11d_domain_reg { + u8 dfs_region; + u8 country_code[IEEE80211_COUNTRY_STRING_LEN]; + u8 no_of_triplet; + struct ieee80211_country_ie_triplet + triplet[NXPWIFI_MAX_TRIPLET_802_11D]; +}; + +struct nxpwifi_vendor_spec_cfg_ie { + u16 mask; + u16 flag; + u8 ie[NXPWIFI_MAX_VSIE_LEN]; +}; + +struct wps { + u8 session_enable; +}; + +struct nxpwifi_roc_cfg { + u64 cookie; + struct ieee80211_channel chan; +}; + +enum nxpwifi_iface_work_flags { + NXPWIFI_IFACE_WORK_DEVICE_DUMP, + NXPWIFI_IFACE_WORK_CARD_RESET, +}; + +enum nxpwifi_adapter_work_flags { + NXPWIFI_SURPRISE_REMOVED, + NXPWIFI_IS_CMD_TIMEDOUT, + NXPWIFI_IS_SUSPENDED, + NXPWIFI_IS_HS_CONFIGURED, + NXPWIFI_IS_HS_ENABLING, + NXPWIFI_IS_REQUESTING_FW_VEREXT, +}; + +struct nxpwifi_band_config { + u8 chan_band:2; + u8 chan_width:2; + u8 chan2_offset:2; + u8 scan_mode:2; +} __packed; + +struct nxpwifi_channel_band { + struct nxpwifi_band_config band_config; + u8 channel; +}; + +struct nxpwifi_private { + struct nxpwifi_adapter *adapter; + u8 bss_type; + u8 bss_role; + u8 bss_priority; + u8 bss_num; + u8 bss_started; + u8 auth_flag; + u16 auth_alg; + u8 frame_type; + u8 curr_addr[ETH_ALEN]; + u8 media_connected; + u8 port_open; + u8 usb_port; + u32 num_tx_timeout; + /* track consecutive timeout */ + u8 tx_timeout_cnt; + struct net_device *netdev; + struct net_device_stats stats; + u32 curr_pkt_filter; + u32 bss_mode; + u32 pkt_tx_ctrl; + u16 tx_power_level; + u8 max_tx_power_level; + u8 min_tx_power_level; + u32 tx_ant; + u32 rx_ant; + u8 tx_rate; + u8 tx_htinfo; + u8 rxpd_htinfo; + u8 rxpd_rate; + u16 rate_bitmap; + u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; + u32 data_rate; + u8 is_data_rate_auto; + u16 bcn_avg_factor; + u16 data_avg_factor; + s16 data_rssi_last; + s16 data_nf_last; + s16 data_rssi_avg; + s16 data_nf_avg; + s16 bcn_rssi_last; + s16 bcn_nf_last; + s16 bcn_rssi_avg; + s16 bcn_nf_avg; + struct nxpwifi_bssdescriptor *attempted_bss_desc; + struct cfg80211_ssid prev_ssid; + u8 prev_bssid[ETH_ALEN]; + struct nxpwifi_current_bss_params curr_bss_params; + u16 beacon_period; + u8 dtim_period; + u16 listen_interval; + u16 atim_window; + struct nxpwifi_802_11_security sec_info; + struct nxpwifi_wep_key wep_key[NUM_WEP_KEYS]; + u16 wep_key_curr_index; + u8 wpa_ie[256]; + u16 wpa_ie_len; + u8 wpa_is_gtk_set; + struct host_cmd_ds_802_11_key_material aes_key; + u8 *wps_ie; + u16 wps_ie_len; + u8 wmm_required; + bool wmm_enabled; + u8 wmm_qosinfo; + struct nxpwifi_wmm_desc wmm; + atomic_t wmm_tx_pending[IEEE80211_NUM_ACS]; + struct list_head sta_list; + /* spin lock for associated station list */ + spinlock_t sta_list_spinlock; + struct list_head tx_ba_stream_tbl_ptr[MAX_NUM_TID]; + /* spin lock for tx_ba_stream_tbl_ptr queue */ + struct spinlock tx_ba_stream_tbl_lock[MAX_NUM_TID]; + struct nxpwifi_tx_aggr aggr_prio_tbl[MAX_NUM_TID]; + struct nxpwifi_add_ba_param add_ba_param; + u16 rx_seq[MAX_NUM_TID]; + u8 tos_to_tid_inv[MAX_NUM_TID]; + struct list_head rx_reorder_tbl_ptr[MAX_NUM_TID]; + /* spin lock for rx_reorder_tbl_ptr queue */ + struct spinlock rx_reorder_tbl_lock[MAX_NUM_TID]; +#define NXPWIFI_ASSOC_RSP_BUF_SIZE 500 + u8 assoc_rsp_buf[NXPWIFI_ASSOC_RSP_BUF_SIZE]; + u32 assoc_rsp_size; + struct cfg80211_bss *req_bss; + +#define NXPWIFI_GENIE_BUF_SIZE 256 + u8 gen_ie_buf[NXPWIFI_GENIE_BUF_SIZE]; + u8 gen_ie_buf_len; + + struct nxpwifi_vendor_spec_cfg_ie vs_ie[NXPWIFI_MAX_VSIE_NUM]; + +#define NXPWIFI_ASSOC_TLV_BUF_SIZE 256 + u8 assoc_tlv_buf[NXPWIFI_ASSOC_TLV_BUF_SIZE]; + u8 assoc_tlv_buf_len; + + u8 *curr_bcn_buf; + u32 curr_bcn_size; + /* spin lock for beacon buffer */ + spinlock_t curr_bcn_buf_lock; + struct wireless_dev wdev; + struct nxpwifi_chan_freq_power cfp; + u32 versionstrsel; + char version_str[NXPWIFI_VERSION_STR_LENGTH]; +#ifdef CONFIG_DEBUG_FS + struct dentry *dfs_dev_dir; +#endif + u16 current_key_index; + struct cfg80211_scan_request *scan_request; + u8 cfg_bssid[6]; + struct wps wps; + u8 scan_block; + s32 cqm_rssi_thold; + u32 cqm_rssi_hyst; + u8 subsc_evt_rssi_state; + struct nxpwifi_ds_misc_subsc_evt async_subsc_evt_storage; + struct nxpwifi_ie mgmt_ie[MAX_MGMT_IE_INDEX]; + u16 beacon_idx; + u16 proberesp_idx; + u16 assocresp_idx; + u16 gen_idx; + u8 ap_11n_enabled; + u8 ap_11ac_enabled; + u8 ap_11ax_enabled; + u16 config_bands; + /* 11AX */ + u8 user_he_cap_len; + u8 user_he_cap[HE_CAP_MAX_SIZE]; + u8 user_2g_he_cap_len; + u8 user_2g_he_cap[HE_CAP_MAX_SIZE]; + bool host_mlme_reg; + u32 mgmt_frame_mask; + struct nxpwifi_roc_cfg roc_cfg; + bool scan_aborting; + u8 sched_scanning; + u8 csa_chan; + unsigned long csa_expire_time; + u8 del_list_idx; + bool hs2_enabled; + struct nxpwifi_uap_bss_param bss_cfg; + struct cfg80211_chan_def bss_chandef; + struct station_parameters *sta_params; + struct xarray ack_status_frames; + /* spin lock for ack status */ + spinlock_t ack_status_lock; + /** rx histogram data */ + struct nxpwifi_histogram_data *hist_data; + struct cfg80211_chan_def dfs_chandef; + struct wiphy_work reset_conn_state_work; + struct wiphy_delayed_work dfs_cac_work; + struct wiphy_delayed_work dfs_chan_sw_work; + bool uap_stop_tx; + struct cfg80211_ap_update ap_update_info; + struct nxpwifi_11h_intf_state state_11h; + struct nxpwifi_ds_mem_rw mem_rw; + struct sk_buff_head bypass_txq; + struct nxpwifi_user_scan_chan hidden_chan[NXPWIFI_USER_SCAN_CHAN_MAX]; + u8 assoc_resp_ht_param; + bool ht_param_present; + u16 last_deauth_reason; +}; + +struct nxpwifi_tx_ba_stream_tbl { + struct list_head list; + struct rcu_head rcu; + int tid; + u8 ra[ETH_ALEN]; + enum nxpwifi_ba_status ba_status; + u8 amsdu; +}; + +struct nxpwifi_rx_reorder_tbl; + +struct reorder_tmr_cnxt { + struct timer_list timer; + struct nxpwifi_rx_reorder_tbl *ptr; + struct nxpwifi_private *priv; + u8 timer_is_set; +}; + +struct nxpwifi_rx_reorder_tbl { + struct list_head list; + struct list_head tmp_list; + struct rcu_head rcu; + int tid; + u8 ta[ETH_ALEN]; + int init_win; + int start_win; + int win_size; + void **rx_reorder_ptr; + struct reorder_tmr_cnxt timer_context; + u8 amsdu; + u8 flags; +}; + +struct nxpwifi_bss_prio_node { + struct list_head list; + struct nxpwifi_private *priv; +}; + +struct nxpwifi_bss_prio_tbl { + struct list_head bss_prio_head; + spinlock_t bss_prio_lock; /* protects BSS priority */ + struct nxpwifi_bss_prio_node *bss_prio_cur; +}; + +struct cmd_ctrl_node { + struct list_head list; + struct nxpwifi_private *priv; + u32 cmd_no; + u32 cmd_flag; + struct sk_buff *cmd_skb; + struct sk_buff *resp_skb; + void *data_buf; + u32 wait_q_enabled; + struct sk_buff *skb; + u8 *condition; + u8 cmd_wait_q_woken; + int (*cmd_resp)(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf); +}; + +struct nxpwifi_bss_priv { + u16 band; + u64 fw_tsf; +}; + +struct nxpwifi_station_stats { + u64 last_rx; + s8 rssi; + u64 rx_bytes; + u64 tx_bytes; + u32 rx_packets; + u32 tx_packets; + u32 tx_failed; + u8 last_tx_rate; + u8 last_tx_htinfo; +}; + +/*AP - side structure tracking associated STA info */ +struct nxpwifi_sta_node { + struct list_head list; + struct rcu_head rcu; + u8 mac_addr[ETH_ALEN]; + u8 is_wmm_enabled; + u8 is_11n_enabled; + u8 is_11ac_enabled; + u8 is_11ax_enabled; + u8 ampdu_sta[MAX_NUM_TID]; + u16 rx_seq[MAX_NUM_TID]; + u16 max_amsdu; + struct nxpwifi_station_stats stats; + u8 tx_pause; +}; + +#define NXPWIFI_TYPE_AGGR_DATA_V2 11 +#define NXPWIFI_BUS_AGGR_MODE_LEN_V2 (2) +#define NXPWIFI_BUS_AGGR_MAX_LEN 16000 +#define NXPWIFI_BUS_AGGR_MAX_NUM 10 +struct bus_aggr_params { + u16 enable; + u16 mode; + u16 tx_aggr_max_size; + u16 tx_aggr_max_num; + u16 tx_aggr_align; +}; + +struct vdll_dnld_ctrl { + u8 *pending_block; + u16 pending_block_len; + u8 *vdll_mem; + u32 vdll_len; + struct sk_buff *skb; +}; + +struct nxpwifi_if_ops { + int (*init_if)(struct nxpwifi_adapter *adapter); + void (*cleanup_if)(struct nxpwifi_adapter *adapter); + int (*check_fw_status)(struct nxpwifi_adapter *adapter, u32 poll_num); + int (*check_winner_status)(struct nxpwifi_adapter *adapter); + int (*prog_fw)(struct nxpwifi_adapter *adapter, + struct nxpwifi_fw_image *fw); + int (*register_dev)(struct nxpwifi_adapter *adapter); + void (*unregister_dev)(struct nxpwifi_adapter *adapter); + int (*enable_int)(struct nxpwifi_adapter *adapter); + void (*disable_int)(struct nxpwifi_adapter *adapter); + int (*process_int_status)(struct nxpwifi_adapter *adapter, u8 istat); + int (*host_to_card)(struct nxpwifi_adapter *adapter, u8 type, + struct sk_buff *skb, + struct nxpwifi_tx_param *tx_param); + int (*wakeup)(struct nxpwifi_adapter *adapter); + int (*wakeup_complete)(struct nxpwifi_adapter *adapter); + + /* interface-specific operations */ + void (*update_mp_end_port)(struct nxpwifi_adapter *adapter, u16 port); + void (*cleanup_mpa_buf)(struct nxpwifi_adapter *adapter); + int (*cmdrsp_complete)(struct nxpwifi_adapter *adapter, + struct sk_buff *skb); + int (*event_complete)(struct nxpwifi_adapter *adapter, + struct sk_buff *skb); + int (*dnld_fw)(struct nxpwifi_adapter *adapter, + struct nxpwifi_fw_image *fw); + void (*card_reset)(struct nxpwifi_adapter *adapter); + int (*reg_dump)(struct nxpwifi_adapter *adapter, char *drv_buf); + void (*device_dump)(struct nxpwifi_adapter *adapter); + void (*deaggr_pkt)(struct nxpwifi_adapter *adapter, + struct sk_buff *skb); + void (*up_dev)(struct nxpwifi_adapter *adapter); +}; + +#define NXPWIFI_DEFAULT_REGION_CODE NXPWIFI_REGION_FCC + +struct nxpwifi_adapter { + u8 iface_type; + unsigned int debug_mask; + struct nxpwifi_iface_comb iface_limit; + struct nxpwifi_iface_comb curr_iface_comb; + struct nxpwifi_private *priv[NXPWIFI_MAX_BSS_NUM]; + u8 priv_num; + const struct firmware *firmware; + char fw_name[32]; + int winner; + struct device *dev; + struct wiphy *wiphy; + u8 perm_addr[ETH_ALEN]; + unsigned long work_flags; + u32 fw_release_number; + u8 intf_hdr_len; + void *card; + struct nxpwifi_if_ops if_ops; + atomic_t bypass_tx_pending; + atomic_t rx_pending; + atomic_t tx_pending; + atomic_t cmd_pending; + atomic_t tx_hw_pending; + struct workqueue_struct *workqueue; + struct work_struct main_work; + struct workqueue_struct *rx_workqueue; + struct work_struct rx_work; + struct wiphy_work host_mlme_work; + bool rx_work_enabled; + bool rx_processing; + bool delay_main_work; + atomic_t rx_ba_teardown_pending; + atomic_t iface_changing; + struct nxpwifi_bss_prio_tbl bss_prio_tbl[NXPWIFI_MAX_BSS_NUM]; + u32 nxpwifi_processing; + u16 tx_buf_size; + u16 curr_tx_buf_size; + /* SDIO single port rx aggregation capability */ + bool host_disable_sdio_rx_aggr; + bool sdio_rx_aggr_enable; + u16 sdio_rx_block_size; + u32 ioport; + enum NXPWIFI_HARDWARE_STATUS hw_status; + u16 number_of_antenna; + u32 fw_cap_info; + u32 fw_cap_ext; + u16 user_htstream; + u64 uuid_lo; + u64 uuid_hi; + /* interrupt lock */ + spinlock_t int_lock; + u8 int_status; + u32 event_cause; + struct sk_buff *event_skb; + u8 upld_buf[NXPWIFI_UPLD_SIZE]; + u8 data_sent; + u8 cmd_sent; + u8 cmd_resp_received; + bool event_received; + u8 data_received; + u8 assoc_resp_received; + struct nxpwifi_private *priv_link_lost; + u8 host_mlme_link_lost; + u16 seq_num; + struct cmd_ctrl_node *cmd_pool; + struct cmd_ctrl_node *curr_cmd; + /* spin lock for command */ + spinlock_t nxpwifi_cmd_lock; + struct timer_list cmd_timer; + struct list_head cmd_free_q; + spinlock_t cmd_free_q_lock; /* protects cmd_free_q */ + struct list_head cmd_pending_q; + spinlock_t cmd_pending_q_lock; /* protects cmd_pending_q */ + struct list_head scan_pending_q; + spinlock_t scan_pending_q_lock; /* protects scan_pending_q */ + struct sk_buff_head tx_data_q; + atomic_t tx_queued; + u32 scan_processing; + enum nxpwifi_region_code region_code; + struct nxpwifi_802_11d_domain_reg domain_reg; + u16 scan_probes; + u32 scan_mode; + u16 specific_scan_time; + u16 active_scan_time; + u16 passive_scan_time; + u16 scan_chan_gap_time; + u16 fw_bands; + u8 tx_lock_flag; + struct nxpwifi_sleep_period sleep_period; + u16 ps_mode; + u32 ps_state; + u8 need_to_wakeup; + u16 multiple_dtim; + u16 local_listen_interval; + u16 null_pkt_interval; + struct sk_buff *sleep_cfm; + u16 bcn_miss_time_out; + u8 is_deep_sleep; + u8 delay_null_pkt; + u16 delay_to_ps; + u16 enhanced_ps_mode; + u8 pm_wakeup_card_req; + u16 gen_null_pkt; + u16 pps_uapsd_mode; + u32 pm_wakeup_fw_try; + struct timer_list wakeup_timer; + struct nxpwifi_hs_config_param hs_cfg; + u8 hs_activated; + u8 hs_activated_manually; + u16 hs_activate_wait_q_woken; + wait_queue_head_t hs_activate_wait_q; + u8 event_body[MAX_EVENT_SIZE]; + u32 hw_dot_11n_dev_cap; + u8 hw_dev_mcs_support; + u8 hw_mpdu_density; + u8 user_dev_mcs_support; + u8 sec_chan_offset; + struct nxpwifi_dbg dbg; + u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE]; + u32 arp_filter_size; + struct nxpwifi_wait_queue cmd_wait_q; + u8 scan_wait_q_woken; + spinlock_t queue_lock; /* protects TX queues */ + u8 dfs_region; + u8 country_code[IEEE80211_COUNTRY_STRING_LEN]; + u16 max_mgmt_ie_index; + const struct firmware *cal_data; + /* 11AC capability fields */ + u32 is_hw_11ac_capable; + u32 hw_dot_11ac_dev_cap; + u32 hw_dot_11ac_mcs_support; + u32 usr_dot_11ac_dev_cap_bg; + u32 usr_dot_11ac_dev_cap_a; + u32 usr_dot_11ac_mcs_support; + /* 11AX capability fields */ + u8 is_hw_11ax_capable; + u8 hw_he_cap_len; + u8 hw_he_cap[HE_CAP_MAX_SIZE]; + u8 hw_2g_he_cap_len; + u8 hw_2g_he_cap[HE_CAP_MAX_SIZE]; + atomic_t pending_bridged_pkts; + struct completion *fw_done; /* FW init completion */ + bool is_up; + bool ext_scan; + u8 fw_api_ver; + u8 fw_hotfix_ver; + u8 key_api_major_ver, key_api_minor_ver; + u8 max_sta_conn; + struct memory_type_mapping *mem_type_mapping_tbl; + u8 num_mem_types; + bool scan_chan_gap_enabled; + struct sk_buff_head rx_mlme_q; + struct sk_buff_head rx_data_q; + struct nxpwifi_chan_stats *chan_stats; + u32 num_in_chan_stats; + int survey_idx; + u8 coex_scan; + u8 coex_min_scan_time; + u8 coex_max_scan_time; + u8 coex_win_size; + u8 coex_tx_win_size; + u8 coex_rx_win_size; + u8 active_scan_triggered; + bool usb_mc_status; + bool usb_mc_setup; + struct cfg80211_wowlan_nd_info *nd_info; + struct ieee80211_regdomain *regd; + /* Aggregation parameters*/ + struct bus_aggr_params bus_aggr; + void *devdump_data; /* device dump storage */ + int devdump_len; /* device dump length */ + bool ignore_btcoex_events; + struct vdll_dnld_ctrl vdll_ctrl; + u64 roc_cookie_counter; + u32 enable_net_mon; + bool wowlan_enabled; + bool chandef_valid; + struct cfg80211_chan_def chandef; + atomic_t uap_count; +}; + +void nxpwifi_process_tx_queue(struct nxpwifi_adapter *adapter); + +void nxpwifi_init_lock_list(struct nxpwifi_adapter *adapter); + +void nxpwifi_set_trans_start(struct net_device *dev); + +void nxpwifi_stop_net_dev_queue(struct net_device *netdev, + struct nxpwifi_adapter *adapter); + +void nxpwifi_wake_up_net_dev_queue(struct net_device *netdev, + struct nxpwifi_adapter *adapter); + +int nxpwifi_init_priv(struct nxpwifi_private *priv); +void nxpwifi_free_priv(struct nxpwifi_private *priv); + +int nxpwifi_init_fw(struct nxpwifi_adapter *adapter); + +void nxpwifi_shutdown_drv(struct nxpwifi_adapter *adapter); + +int nxpwifi_dnld_fw(struct nxpwifi_adapter *adapter, + struct nxpwifi_fw_image *fw); + +int nxpwifi_recv_packet(struct nxpwifi_private *priv, struct sk_buff *skb); +int nxpwifi_uap_recv_packet(struct nxpwifi_private *priv, + struct sk_buff *skb); + +void nxpwifi_host_mlme_disconnect(struct nxpwifi_private *priv, + u16 reason_code, u8 *sa); + +int nxpwifi_process_mgmt_packet(struct nxpwifi_private *priv, + struct sk_buff *skb); +int nxpwifi_recv_packet_to_monif(struct nxpwifi_private *priv, + struct sk_buff *skb); +int nxpwifi_complete_cmd(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_node); + +void nxpwifi_cmd_timeout_func(struct timer_list *t); + +int nxpwifi_get_debug_info(struct nxpwifi_private *priv, + struct nxpwifi_debug_info *info); + +int nxpwifi_alloc_cmd_buffer(struct nxpwifi_adapter *adapter); +void nxpwifi_free_cmd_buffer(struct nxpwifi_adapter *adapter); +void nxpwifi_free_cmd_buffers(struct nxpwifi_adapter *adapter); +void nxpwifi_cancel_all_pending_cmd(struct nxpwifi_adapter *adapter); +void nxpwifi_cancel_pending_scan_cmd(struct nxpwifi_adapter *adapter); +void nxpwifi_cancel_scan(struct nxpwifi_adapter *adapter); + +void nxpwifi_recycle_cmd_node(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_node); + +void nxpwifi_insert_cmd_to_pending_q(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_node); + +int nxpwifi_exec_next_cmd(struct nxpwifi_adapter *adapter); +int nxpwifi_process_cmdresp(struct nxpwifi_adapter *adapter); +void nxpwifi_process_assoc_resp(struct nxpwifi_adapter *adapter); +int nxpwifi_handle_rx_packet(struct nxpwifi_adapter *adapter, + struct sk_buff *skb); +int nxpwifi_process_tx(struct nxpwifi_private *priv, struct sk_buff *skb, + struct nxpwifi_tx_param *tx_param); +int nxpwifi_send_null_packet(struct nxpwifi_private *priv, u8 flags); +int nxpwifi_write_data_complete(struct nxpwifi_adapter *adapter, + struct sk_buff *skb, int aggr, int status); +void nxpwifi_clean_txrx(struct nxpwifi_private *priv); +u8 nxpwifi_check_last_packet_indication(struct nxpwifi_private *priv); +void nxpwifi_check_ps_cond(struct nxpwifi_adapter *adapter); +void nxpwifi_process_sleep_confirm_resp(struct nxpwifi_adapter *adapter, + u8 *pbuf, u32 upld_len); +void nxpwifi_process_hs_config(struct nxpwifi_adapter *adapter); +void nxpwifi_hs_activated_event(struct nxpwifi_private *priv, + u8 activated); +int nxpwifi_set_hs_params(struct nxpwifi_private *priv, u16 action, + int cmd_type, struct nxpwifi_ds_hs_cfg *hs_cfg); +int nxpwifi_ret_802_11_hs_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp); +int nxpwifi_process_rx_packet(struct nxpwifi_private *priv, + struct sk_buff *skb); +int nxpwifi_process_sta_rx_packet(struct nxpwifi_private *priv, + struct sk_buff *skb); +int nxpwifi_process_uap_rx_packet(struct nxpwifi_private *priv, + struct sk_buff *skb); +int nxpwifi_handle_uap_rx_forward(struct nxpwifi_private *priv, + struct sk_buff *skb); +void nxpwifi_delete_all_station_list(struct nxpwifi_private *priv); +void nxpwifi_wmm_del_peer_ra_list(struct nxpwifi_private *priv, + const u8 *ra_addr); +void nxpwifi_process_sta_txpd(struct nxpwifi_private *priv, + struct sk_buff *skb); +void nxpwifi_process_uap_txpd(struct nxpwifi_private *priv, + struct sk_buff *skb); +int nxpwifi_cmd_802_11_scan(struct host_cmd_ds_command *cmd, + struct nxpwifi_scan_cmd_config *scan_cfg); +void nxpwifi_queue_scan_cmd(struct nxpwifi_private *priv, + struct cmd_ctrl_node *cmd_node); +int nxpwifi_ret_802_11_scan(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp); +int nxpwifi_associate(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc); +int nxpwifi_cmd_802_11_associate(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + struct nxpwifi_bssdescriptor *bss_desc); +int nxpwifi_ret_802_11_associate(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp); +u8 nxpwifi_band_to_radio_type(u16 config_bands); +int nxpwifi_deauthenticate(struct nxpwifi_private *priv, u8 *mac); +void nxpwifi_deauthenticate_all(struct nxpwifi_adapter *adapter); +int nxpwifi_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd); +struct nxpwifi_chan_freq_power *nxpwifi_get_cfp(struct nxpwifi_private *priv, + u8 band, u16 channel, u32 freq); +u32 nxpwifi_index_to_data_rate(struct nxpwifi_private *priv, + u8 index, u8 ht_info); +u32 nxpwifi_index_to_acs_data_rate(struct nxpwifi_private *priv, + u8 index, u8 ht_info); +int nxpwifi_cmd_append_vsie_tlv(struct nxpwifi_private *priv, u16 vsie_mask, + u8 **buffer); +u32 nxpwifi_get_active_data_rates(struct nxpwifi_private *priv, + u8 *rates); +u32 nxpwifi_get_supported_rates(struct nxpwifi_private *priv, u8 *rates); +u32 nxpwifi_get_rates_from_cfg80211(struct nxpwifi_private *priv, + u8 *rates, u8 radio_type); +u8 nxpwifi_is_rate_auto(struct nxpwifi_private *priv); +void nxpwifi_save_curr_bcn(struct nxpwifi_private *priv); +void nxpwifi_free_curr_bcn(struct nxpwifi_private *priv); +int nxpwifi_is_command_pending(struct nxpwifi_adapter *adapter); +void nxpwifi_init_priv_params(struct nxpwifi_private *priv, + struct net_device *dev); +void nxpwifi_set_ba_params(struct nxpwifi_private *priv); +void nxpwifi_update_ampdu_txwinsize(struct nxpwifi_adapter *pmadapter); +void nxpwifi_set_11ac_ba_params(struct nxpwifi_private *priv); +int nxpwifi_cmd_802_11_scan_ext(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + void *data_buf); +int nxpwifi_ret_802_11_scan_ext(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp); +int nxpwifi_handle_event_ext_scan_report(struct nxpwifi_private *priv, + void *buf); +int nxpwifi_cmd_802_11_bg_scan_config(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + void *data_buf); +int nxpwifi_stop_bg_scan(struct nxpwifi_private *priv); + +/* check if RA-based queuing */ +static inline u8 +nxpwifi_queuing_ra_based(struct nxpwifi_private *priv) +{ + /* In STA mode DA==RA; subject to future revision */ + if (priv->bss_mode == NL80211_IFTYPE_STATION && + (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA)) + return false; + + return true; +} + +/* copy rates from src to dest */ +static inline u32 +nxpwifi_copy_rates(u8 *dest, u32 pos, u8 *src, int len) +{ + int i; + + for (i = 0; i < len && src[i]; i++, pos++) { + if (pos >= NXPWIFI_SUPPORTED_RATES) + break; + dest[pos] = src[i]; + } + + return pos; +} + +/* return priv matching the given BSS type and number */ +static inline struct nxpwifi_private * +nxpwifi_get_priv_by_id(struct nxpwifi_adapter *adapter, + u8 bss_num, u8 bss_type) +{ + int i; + + for (i = 0; i < adapter->priv_num; i++) { + if (adapter->priv[i]->bss_mode == + NL80211_IFTYPE_UNSPECIFIED) + continue; + if (adapter->priv[i]->bss_num == bss_num && + adapter->priv[i]->bss_type == bss_type) + break; + } + return ((i < adapter->priv_num) ? adapter->priv[i] : NULL); +} + +/* return first priv matching BSS role */ +static inline struct nxpwifi_private * +nxpwifi_get_priv(struct nxpwifi_adapter *adapter, + enum nxpwifi_bss_role bss_role) +{ + int i; + + for (i = 0; i < adapter->priv_num; i++) { + if (bss_role == NXPWIFI_BSS_ROLE_ANY || + GET_BSS_ROLE(adapter->priv[i]) == bss_role) + break; + } + + return ((i < adapter->priv_num) ? adapter->priv[i] : NULL); +} + +/* find unused BSS number for new interface */ +static inline u8 +nxpwifi_get_unused_bss_num(struct nxpwifi_adapter *adapter, u8 bss_type) +{ + u8 i, j; + int index[NXPWIFI_MAX_BSS_NUM]; + + memset(index, 0, sizeof(index)); + for (i = 0; i < adapter->priv_num; i++) + if (adapter->priv[i]->bss_type == bss_type && + !(adapter->priv[i]->bss_mode == + NL80211_IFTYPE_UNSPECIFIED)) { + index[adapter->priv[i]->bss_num] = 1; + } + for (j = 0; j < NXPWIFI_MAX_BSS_NUM; j++) + if (!index[j]) + return j; + return -ENOENT; +} + +/* return unused private entry for requested bss type */ +static inline struct nxpwifi_private * +nxpwifi_get_unused_priv_by_bss_type(struct nxpwifi_adapter *adapter, + u8 bss_type) +{ + u8 i; + + for (i = 0; i < adapter->priv_num; i++) + if (adapter->priv[i]->bss_mode == + NL80211_IFTYPE_UNSPECIFIED) { + adapter->priv[i]->bss_num = + nxpwifi_get_unused_bss_num(adapter, bss_type); + break; + } + + return ((i < adapter->priv_num) ? adapter->priv[i] : NULL); +} + +/* return private structure attached to netdev */ +static inline struct nxpwifi_private * +nxpwifi_netdev_get_priv(struct net_device *dev) +{ + return (struct nxpwifi_private *)(*(unsigned long *)netdev_priv(dev)); +} + +/* return true if skb contains a management frame */ +static inline bool nxpwifi_is_skb_mgmt_frame(struct sk_buff *skb) +{ + return (get_unaligned_le32(skb->data) == PKT_TYPE_MGMT); +} + +/* channel closed by CSA */ +static inline u8 +nxpwifi_11h_get_csa_closed_channel(struct nxpwifi_private *priv) +{ + if (!priv->csa_chan) + return 0; + + /* clear CSA if DFS switch timeout expired */ + if (time_after(jiffies, priv->csa_expire_time)) { + priv->csa_chan = 0; + priv->csa_expire_time = 0; + } + + return priv->csa_chan; +} + +static inline u8 nxpwifi_is_any_intf_active(struct nxpwifi_private *priv) +{ + struct nxpwifi_private *priv_tmp; + int i; + + for (i = 0; i < priv->adapter->priv_num; i++) { + priv_tmp = priv->adapter->priv[i]; + if ((GET_BSS_ROLE(priv_tmp) == NXPWIFI_BSS_ROLE_UAP && + priv_tmp->bss_started) || + (GET_BSS_ROLE(priv_tmp) == NXPWIFI_BSS_ROLE_STA && + priv_tmp->media_connected)) + return 1; + } + + return 0; +} + +int nxpwifi_init_shutdown_fw(struct nxpwifi_private *priv, + u32 func_init_shutdown); + +int nxpwifi_add_card(void *card, struct completion *fw_done, + struct nxpwifi_if_ops *if_ops, u8 iface_type, + struct device *dev); +void nxpwifi_remove_card(struct nxpwifi_adapter *adapter); + +void nxpwifi_get_version(struct nxpwifi_adapter *adapter, char *version, + int maxlen); +int +nxpwifi_request_set_multicast_list(struct nxpwifi_private *priv, + struct nxpwifi_multicast_list *mcast_list); +int nxpwifi_copy_mcast_addr(struct nxpwifi_multicast_list *mlist, + struct net_device *dev); +int nxpwifi_wait_queue_complete(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_queued); +int nxpwifi_bss_start(struct nxpwifi_private *priv, struct cfg80211_bss *bss, + struct cfg80211_ssid *req_ssid); +int nxpwifi_cancel_hs(struct nxpwifi_private *priv, int cmd_type); +bool nxpwifi_enable_hs(struct nxpwifi_adapter *adapter); +int nxpwifi_disable_auto_ds(struct nxpwifi_private *priv); +int nxpwifi_drv_get_data_rate(struct nxpwifi_private *priv, u32 *rate); + +int nxpwifi_scan_networks(struct nxpwifi_private *priv, + const struct nxpwifi_user_scan_cfg *user_scan_in); +int nxpwifi_set_radio(struct nxpwifi_private *priv, u8 option); + +int nxpwifi_set_encode(struct nxpwifi_private *priv, struct key_params *kp, + const u8 *key, int key_len, u8 key_index, + const u8 *mac_addr, int disable); + +int nxpwifi_set_gen_ie(struct nxpwifi_private *priv, const u8 *ie, int ie_len); + +int nxpwifi_get_ver_ext(struct nxpwifi_private *priv, u32 version_str_sel); + +int nxpwifi_remain_on_chan_cfg(struct nxpwifi_private *priv, u16 action, + struct ieee80211_channel *chan, + unsigned int duration); + +int nxpwifi_get_stats_info(struct nxpwifi_private *priv, + struct nxpwifi_ds_get_stats *log); + +int nxpwifi_reg_write(struct nxpwifi_private *priv, u32 reg_type, + u32 reg_offset, u32 reg_value); + +int nxpwifi_reg_read(struct nxpwifi_private *priv, u32 reg_type, + u32 reg_offset, u32 *value); + +int nxpwifi_eeprom_read(struct nxpwifi_private *priv, u16 offset, u16 bytes, + u8 *value); + +int nxpwifi_set_11n_httx_cfg(struct nxpwifi_private *priv, int data); + +int nxpwifi_get_11n_httx_cfg(struct nxpwifi_private *priv, int *data); + +int nxpwifi_set_tx_rate_cfg(struct nxpwifi_private *priv, int tx_rate_index); + +int nxpwifi_get_tx_rate_cfg(struct nxpwifi_private *priv, int *tx_rate_index); + +int nxpwifi_drv_set_power(struct nxpwifi_private *priv, u32 *ps_mode); + +int nxpwifi_drv_get_driver_version(struct nxpwifi_adapter *adapter, + char *version, int max_len); + +int nxpwifi_set_tx_power(struct nxpwifi_private *priv, + struct nxpwifi_power_cfg *power_cfg); + +void nxpwifi_main_process(struct nxpwifi_adapter *adapter); + +void nxpwifi_queue_tx_pkt(struct nxpwifi_private *priv, struct sk_buff *skb); + +int nxpwifi_get_bss_info(struct nxpwifi_private *priv, + struct nxpwifi_bss_info *info); +int nxpwifi_fill_new_bss_desc(struct nxpwifi_private *priv, + struct cfg80211_bss *bss, + struct nxpwifi_bssdescriptor *bss_desc); +int nxpwifi_update_bss_desc_with_ie(struct nxpwifi_adapter *adapter, + struct nxpwifi_bssdescriptor *bss_entry); +int nxpwifi_check_network_compatibility(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc); + +u8 nxpwifi_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type); +u8 nxpwifi_get_chan_type(struct nxpwifi_private *priv); + +struct wireless_dev *nxpwifi_add_virtual_intf(struct wiphy *wiphy, + const char *name, + unsigned char name_assign_type, + enum nl80211_iftype type, + struct vif_params *params); +int nxpwifi_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev); + +int nxpwifi_add_wowlan_magic_pkt_filter(struct nxpwifi_adapter *adapter); + +int nxpwifi_set_mgmt_ies(struct nxpwifi_private *priv, + struct cfg80211_beacon_data *data); +int nxpwifi_del_mgmt_ies(struct nxpwifi_private *priv); +u8 *nxpwifi_11d_code_2_region(u8 code); +void nxpwifi_init_11h_params(struct nxpwifi_private *priv); +int nxpwifi_is_11h_active(struct nxpwifi_private *priv); +int nxpwifi_11h_activate(struct nxpwifi_private *priv, bool flag); +void nxpwifi_11h_process_join(struct nxpwifi_private *priv, u8 **buffer, + struct nxpwifi_bssdescriptor *bss_desc); +int nxpwifi_11h_handle_event_chanswann(struct nxpwifi_private *priv); + +extern const struct ethtool_ops nxpwifi_ethtool_ops; + +void nxpwifi_del_all_sta_list(struct nxpwifi_private *priv); +void nxpwifi_del_sta_entry(struct nxpwifi_private *priv, const u8 *mac); +void +nxpwifi_set_sta_ht_cap(struct nxpwifi_private *priv, const u8 *ies, + int ies_len, struct nxpwifi_sta_node *node); +struct nxpwifi_sta_node * +nxpwifi_add_sta_entry(struct nxpwifi_private *priv, const u8 *mac); +struct nxpwifi_sta_node * +nxpwifi_get_sta_entry(struct nxpwifi_private *priv, const u8 *mac); +struct nxpwifi_sta_node * +nxpwifi_get_sta_entry_rcu(struct nxpwifi_private *priv, const u8 *mac); +int nxpwifi_init_channel_scan_gap(struct nxpwifi_adapter *adapter); + +int nxpwifi_cmd_issue_chan_report_request(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + void *data_buf); +int nxpwifi_11h_handle_chanrpt_ready(struct nxpwifi_private *priv, + struct sk_buff *skb); + +void nxpwifi_parse_tx_status_event(struct nxpwifi_private *priv, + void *event_body); + +struct sk_buff * +nxpwifi_clone_skb_for_tx_status(struct nxpwifi_private *priv, + struct sk_buff *skb, u8 flag, u64 *cookie); +void nxpwifi_reset_conn_state_work(struct wiphy *wiphy, struct wiphy_work *work); +void nxpwifi_dfs_cac_work(struct wiphy *wiphy, struct wiphy_work *work); +void nxpwifi_dfs_chan_sw_work(struct wiphy *wiphy, struct wiphy_work *work); +void nxpwifi_abort_cac(struct nxpwifi_private *priv); +int nxpwifi_stop_radar_detection(struct nxpwifi_private *priv, + struct cfg80211_chan_def *chandef); +int nxpwifi_11h_handle_radar_detected(struct nxpwifi_private *priv, + struct sk_buff *skb); + +void nxpwifi_hist_data_set(struct nxpwifi_private *priv, u8 rx_rate, s8 snr, + s8 nflr); +void nxpwifi_hist_data_reset(struct nxpwifi_private *priv); +void nxpwifi_hist_data_add(struct nxpwifi_private *priv, + u8 rx_rate, s8 snr, s8 nflr); +u8 nxpwifi_adjust_data_rate(struct nxpwifi_private *priv, + u8 rx_rate, u8 ht_info); + +void nxpwifi_drv_info_dump(struct nxpwifi_adapter *adapter); +void nxpwifi_prepare_fw_dump_info(struct nxpwifi_adapter *adapter); +void nxpwifi_upload_device_dump(struct nxpwifi_adapter *adapter); +void *nxpwifi_alloc_dma_align_buf(int rx_len, gfp_t flags); +void nxpwifi_fw_dump_event(struct nxpwifi_private *priv); +int nxpwifi_get_wakeup_reason(struct nxpwifi_private *priv, u16 action, + int cmd_type, + struct nxpwifi_ds_wakeup_reason *wakeup_reason); +int nxpwifi_get_chan_info(struct nxpwifi_private *priv, + struct nxpwifi_channel_band *channel_band); +void nxpwifi_coex_ampdu_rxwinsize(struct nxpwifi_adapter *adapter); +void nxpwifi_11n_delba(struct nxpwifi_private *priv, int tid); +int nxpwifi_send_domain_info_cmd_fw(struct wiphy *wiphy, enum nl80211_band band); +int nxpwifi_set_mac_address(struct nxpwifi_private *priv, + struct net_device *dev, + bool external, u8 *new_mac); +void nxpwifi_devdump_tmo_func(unsigned long function_context); + +#ifdef CONFIG_DEBUG_FS +void nxpwifi_debugfs_init(void); +void nxpwifi_debugfs_remove(void); + +void nxpwifi_dev_debugfs_init(struct nxpwifi_private *priv); +void nxpwifi_dev_debugfs_remove(struct nxpwifi_private *priv); +#endif +int nxpwifi_reinit_sw(struct nxpwifi_adapter *adapter); +void nxpwifi_shutdown_sw(struct nxpwifi_adapter *adapter); +bool nxpwifi_is_valid_region_code(enum nxpwifi_region_code code); +#endif /* !_NXPWIFI_MAIN_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/scan.c b/drivers/net/wireless/nxp/nxpwifi/scan.c new file mode 100644 index 000000000000..bb3ce2b6f4b9 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/scan.c @@ -0,0 +1,2695 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: scan ioctl and command handling + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "11n.h" +#include "11ac.h" +#include "11ax.h" +#include "cfg80211.h" + +/* The maximum number of channels the firmware can scan per command */ +#define NXPWIFI_MAX_CHANNELS_PER_SPECIFIC_SCAN 14 + +#define NXPWIFI_DEF_CHANNELS_PER_SCAN_CMD 4 + +/* Memory needed to store a max sized Channel List TLV for a firmware scan */ +#define CHAN_TLV_MAX_SIZE (sizeof(struct nxpwifi_ie_types_header) \ + + (NXPWIFI_MAX_CHANNELS_PER_SPECIFIC_SCAN \ + * sizeof(struct nxpwifi_chan_scan_param_set))) + +/* Memory needed to store supported rate */ +#define RATE_TLV_MAX_SIZE (sizeof(struct nxpwifi_ie_types_rates_param_set) \ + + HOSTCMD_SUPPORTED_RATES) + +/* Memory needed to store a max number/size WildCard SSID TLV for a firmware scan */ +#define WILDCARD_SSID_TLV_MAX_SIZE \ + (NXPWIFI_MAX_SSID_LIST_LENGTH * \ + (sizeof(struct nxpwifi_ie_types_wildcard_ssid_params) \ + + IEEE80211_MAX_SSID_LEN)) + +/* Maximum memory needed for a nxpwifi_scan_cmd_config with all TLVs at max */ +#define MAX_SCAN_CFG_ALLOC (sizeof(struct nxpwifi_scan_cmd_config) \ + + sizeof(struct nxpwifi_ie_types_num_probes) \ + + sizeof(struct nxpwifi_ie_types_htcap) \ + + sizeof(struct nxpwifi_ie_types_vhtcap) \ + + sizeof(struct nxpwifi_ie_types_he_cap) \ + + CHAN_TLV_MAX_SIZE \ + + RATE_TLV_MAX_SIZE \ + + WILDCARD_SSID_TLV_MAX_SIZE) + +union nxpwifi_scan_cmd_config_tlv { + /* Scan configuration (variable length) */ + struct nxpwifi_scan_cmd_config config; + /* Max allocated block */ + u8 config_alloc_buf[MAX_SCAN_CFG_ALLOC]; +}; + +#define NXPWIFI_WPA_CIPHER_SUITE_TKIP SUITE(WLAN_OUI_MICROSOFT, 2) +#define NXPWIFI_WPA_CIPHER_SUITE_CCMP SUITE(WLAN_OUI_MICROSOFT, 4) + +static void +_dbg_security_flags(int log_level, const char *func, const char *desc, + struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + _nxpwifi_dbg(priv->adapter, log_level, + "info: %s: %s:\twpa_ie=%#x wpa2_ie=%#x WEP=%s WPA=%s WPA2=%s\tEncMode=%#x privacy=%#x\n", + func, desc, + bss_desc->bcn_wpa_ie ? + bss_desc->bcn_wpa_ie->vend_hdr.element_id : 0, + bss_desc->bcn_rsn_ie ? + bss_desc->bcn_rsn_ie->id : 0, + priv->sec_info.wep_enabled ? "e" : "d", + priv->sec_info.wpa_enabled ? "e" : "d", + priv->sec_info.wpa2_enabled ? "e" : "d", + priv->sec_info.encryption_mode, + bss_desc->privacy); +} + +#define dbg_security_flags(mask, desc, priv, bss_desc) \ + _dbg_security_flags(NXPWIFI_DBG_##mask, __func__, desc, priv, bss_desc) + +/* Parse a WPA/RSN element and check whether its PTK list contains the OUI */ +static u8 +nxpwifi_search_oui_in_ie(struct ie_body *iebody, u8 *oui) +{ + u8 count; + + count = iebody->ptk_cnt[0]; + + /* + * PTK may contain multiple OUIs; iterate through the list and compare + * each one + */ + while (count) { + if (!memcmp(iebody->ptk_body, oui, sizeof(iebody->ptk_body))) + return NXPWIFI_OUI_PRESENT; + + --count; + if (count) + iebody = (struct ie_body *)((u8 *)iebody + + sizeof(iebody->ptk_body)); + } + + pr_debug("info: %s: OUI is not found in PTK\n", __func__); + return NXPWIFI_OUI_NOT_PRESENT; +} + +/* Check whether the RSN IE is present and if its PTK list contains the OUI */ +static u8 +nxpwifi_is_rsn_oui_present(struct nxpwifi_bssdescriptor *bss_desc, + u32 cipher) +{ + struct ie_body *iebody; + u8 ret = NXPWIFI_OUI_NOT_PRESENT; + __be32 oui = cpu_to_be32(cipher); + + if (bss_desc->bcn_rsn_ie) { + iebody = (struct ie_body *) + (((u8 *)bss_desc->bcn_rsn_ie->data) + + RSN_GTK_OUI_OFFSET); + ret = nxpwifi_search_oui_in_ie(iebody, (u8 *)&oui); + if (ret) + return ret; + } + return ret; +} + +/* Check if the WPA IE exists and whether its PTK list contains the OUI */ +static u8 +nxpwifi_is_wpa_oui_present(struct nxpwifi_bssdescriptor *bss_desc, u32 cipher) +{ + struct ie_body *iebody; + u8 ret = NXPWIFI_OUI_NOT_PRESENT; + __be32 oui = cpu_to_be32(cipher); + + if (bss_desc->bcn_wpa_ie) { + iebody = (struct ie_body *)((u8 *)bss_desc->bcn_wpa_ie->data + + WPA_GTK_OUI_OFFSET); + ret = nxpwifi_search_oui_in_ie(iebody, (u8 *)&oui); + if (ret) + return ret; + } + return ret; +} + +/* Check whether both driver and BSS operate with no security */ +static bool +nxpwifi_is_bss_no_sec(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled && + !priv->sec_info.wpa2_enabled && + !bss_desc->bcn_rsn_ie && + !bss_desc->bcn_wpa_ie && + !priv->sec_info.encryption_mode && !bss_desc->privacy) { + return true; + } + return false; +} + +/* Check whether static WEP is enabled and the BSS privacy setting matches */ +static bool +nxpwifi_is_bss_static_wep(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + if (priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled && + !priv->sec_info.wpa2_enabled && bss_desc->privacy) { + return true; + } + return false; +} + +/* Check whether WPA is enabled and the BSS contains a WPA IE */ +static bool +nxpwifi_is_bss_wpa(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + if (!priv->sec_info.wep_enabled && priv->sec_info.wpa_enabled && + !priv->sec_info.wpa2_enabled && + bss_desc->bcn_wpa_ie) { + dbg_security_flags(INFO, "WPA", priv, bss_desc); + return true; + } + return false; +} + +/* Check whether WPA2 is enabled and the BSS includes an RSN IE */ +static bool +nxpwifi_is_bss_wpa2(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled && + priv->sec_info.wpa2_enabled && + bss_desc->bcn_rsn_ie) { + /* + * Some APs (e.g., WRT54G) may omit the privacy bit even when + * using WPA2 + */ + dbg_security_flags(ERROR, "WPA2", priv, bss_desc); + return true; + } + return false; +} + +/* Check dynamic WEP: enabled in driver, privacy set, and no WPA/RSN IE present */ +static bool +nxpwifi_is_bss_dynamic_wep(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled && + !priv->sec_info.wpa2_enabled && + !bss_desc->bcn_wpa_ie && + !bss_desc->bcn_rsn_ie && + priv->sec_info.encryption_mode && bss_desc->privacy) { + dbg_security_flags(INFO, "dynamic", priv, bss_desc); + return true; + } + return false; +} + +/* + * Check whether a scanned network is compatible with the driver's security + * configuration. The decision considers WEP, WPA, WPA2, privacy settings, + * and whether HT must be disabled when required (e.g., no AES). + * + * General rules: + * - Open networks: always compatible. + * - WPA-only: compatible; HT disabled if AES is not supported. + * - WPA2-only: compatible; HT disabled if AES is not supported. + * - Static WEP: compatible; HT disabled. + * - Dynamic WEP: compatible when privacy is enabled. + * + * Note: Compatibility is not enforced during roaming except for security mode. + */ +static int +nxpwifi_is_network_compatible(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc, u32 mode) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + bss_desc->disable_11n = false; + + /* Skip compatibility checks while roaming */ + if (priv->media_connected && + priv->bss_mode == NL80211_IFTYPE_STATION && + bss_desc->bss_mode == NL80211_IFTYPE_STATION) + return 0; + + if (priv->wps.session_enable) { + nxpwifi_dbg(adapter, IOCTL, + "info: return success directly in WPS period\n"); + return 0; + } + + if (bss_desc->chan_sw_ie_present) { + nxpwifi_dbg(adapter, INFO, + "Don't connect to AP with WLAN_EID_CHANNEL_SWITCH\n"); + return -EPERM; + } + + if (bss_desc->bss_mode == mode) { + if (nxpwifi_is_bss_no_sec(priv, bss_desc)) { + return 0; + } else if (nxpwifi_is_bss_static_wep(priv, bss_desc)) { + nxpwifi_dbg(adapter, INFO, + "info: Disable 11n in WEP mode.\n"); + bss_desc->disable_11n = true; + return 0; + } else if (nxpwifi_is_bss_wpa(priv, bss_desc)) { + if (((priv->config_bands & BAND_GN || + priv->config_bands & BAND_AN) && + bss_desc->bcn_ht_cap) && + !nxpwifi_is_wpa_oui_present(bss_desc, + NXPWIFI_WPA_CIPHER_SUITE_CCMP)) { + if (nxpwifi_is_wpa_oui_present + (bss_desc, NXPWIFI_WPA_CIPHER_SUITE_TKIP)) { + nxpwifi_dbg(adapter, INFO, + "info: Disable 11n if AES\t" + "is not supported by AP\n"); + bss_desc->disable_11n = true; + } else { + return -EINVAL; + } + } + return 0; + } else if (nxpwifi_is_bss_wpa2(priv, bss_desc)) { + if (((priv->config_bands & BAND_GN || + priv->config_bands & BAND_AN) && + bss_desc->bcn_ht_cap) && + !nxpwifi_is_rsn_oui_present(bss_desc, + WLAN_CIPHER_SUITE_CCMP)) { + if (nxpwifi_is_rsn_oui_present + (bss_desc, WLAN_CIPHER_SUITE_TKIP)) { + nxpwifi_dbg(adapter, INFO, + "info: Disable 11n if AES\t" + "is not supported by AP\n"); + bss_desc->disable_11n = true; + } else if (nxpwifi_is_rsn_oui_present + (bss_desc, WLAN_CIPHER_SUITE_GCMP_256) || + nxpwifi_is_rsn_oui_present + (bss_desc, WLAN_CIPHER_SUITE_CCMP_256)) { + return 0; + } else { + return -EINVAL; + } + } + return 0; + } else if (nxpwifi_is_bss_dynamic_wep(priv, bss_desc)) { + return 0; + } + + /* Security mismatch */ + dbg_security_flags(ERROR, "failed", priv, bss_desc); + return -EINVAL; + } + + return -EINVAL; +} + +/* + * Build the channel list for scanning based on region and band settings. + * Used when a scan request does not specify its own channel list. + */ +static int +nxpwifi_scan_create_channel_list(struct nxpwifi_private *priv, + const struct nxpwifi_user_scan_cfg + *user_scan_in, + struct nxpwifi_chan_scan_param_set + *scan_chan_list, + u8 filtered_scan) +{ + enum nl80211_band band; + struct ieee80211_supported_band *sband; + struct ieee80211_channel *ch; + struct nxpwifi_adapter *adapter = priv->adapter; + int chan_idx = 0, i; + u16 scan_time = 0; + + if (user_scan_in) + scan_time = (u16)user_scan_in->chan_list[0].scan_time; + + for (band = 0; (band < NUM_NL80211_BANDS) ; band++) { + if (!priv->wdev.wiphy->bands[band]) + continue; + + sband = priv->wdev.wiphy->bands[band]; + + for (i = 0; (i < sband->n_channels) ; i++) { + ch = &sband->channels[i]; + if (ch->flags & IEEE80211_CHAN_DISABLED) + continue; + scan_chan_list[chan_idx].band_cfg = band; + + if (scan_time) + scan_chan_list[chan_idx].max_scan_time = + cpu_to_le16(scan_time); + else if ((ch->flags & IEEE80211_CHAN_NO_IR) || + (ch->flags & IEEE80211_CHAN_RADAR)) + scan_chan_list[chan_idx].max_scan_time = + cpu_to_le16(adapter->passive_scan_time); + else + scan_chan_list[chan_idx].max_scan_time = + cpu_to_le16(adapter->active_scan_time); + + if (ch->flags & IEEE80211_CHAN_NO_IR) + scan_chan_list[chan_idx].chan_scan_mode_bmap |= + (NXPWIFI_PASSIVE_SCAN | NXPWIFI_HIDDEN_SSID_REPORT); + else + scan_chan_list[chan_idx].chan_scan_mode_bmap &= + ~NXPWIFI_PASSIVE_SCAN; + + scan_chan_list[chan_idx].chan_number = (u32)ch->hw_value; + scan_chan_list[chan_idx].chan_scan_mode_bmap |= + NXPWIFI_DISABLE_CHAN_FILT; + + if (filtered_scan && + !((ch->flags & IEEE80211_CHAN_NO_IR) || + (ch->flags & IEEE80211_CHAN_RADAR))) + scan_chan_list[chan_idx].max_scan_time = + cpu_to_le16(adapter->specific_scan_time); + + chan_idx++; + } + } + return chan_idx; +} + +/* + * Build the channel-list TLV for bgscan based on region and band settings. + */ +static int +nxpwifi_bgscan_create_channel_list(struct nxpwifi_private *priv, + const struct nxpwifi_bg_scan_cfg + *bgscan_cfg_in, + struct nxpwifi_chan_scan_param_set + *scan_chan_list) +{ + enum nl80211_band band; + struct ieee80211_supported_band *sband; + struct ieee80211_channel *ch; + struct nxpwifi_adapter *adapter = priv->adapter; + int chan_idx = 0, i; + u16 scan_time = 0, specific_scan_time = adapter->specific_scan_time; + + if (bgscan_cfg_in) + scan_time = (u16)bgscan_cfg_in->chan_list[0].scan_time; + + for (band = 0; (band < NUM_NL80211_BANDS); band++) { + if (!priv->wdev.wiphy->bands[band]) + continue; + + sband = priv->wdev.wiphy->bands[band]; + + for (i = 0; (i < sband->n_channels) ; i++) { + ch = &sband->channels[i]; + if (ch->flags & IEEE80211_CHAN_DISABLED) + continue; + scan_chan_list[chan_idx].band_cfg = band; + + if (scan_time) + scan_chan_list[chan_idx].max_scan_time = + cpu_to_le16(scan_time); + else if (ch->flags & IEEE80211_CHAN_NO_IR) + scan_chan_list[chan_idx].max_scan_time = + cpu_to_le16(adapter->passive_scan_time); + else + scan_chan_list[chan_idx].max_scan_time = + cpu_to_le16(specific_scan_time); + + if (ch->flags & IEEE80211_CHAN_NO_IR) + scan_chan_list[chan_idx].chan_scan_mode_bmap |= + NXPWIFI_PASSIVE_SCAN; + else + scan_chan_list[chan_idx].chan_scan_mode_bmap &= + ~NXPWIFI_PASSIVE_SCAN; + + scan_chan_list[chan_idx].chan_number = (u32)ch->hw_value; + chan_idx++; + } + } + return chan_idx; +} + +/* Append the rate TLV to the scan configuration command */ +static int +nxpwifi_append_rate_tlv(struct nxpwifi_private *priv, + struct nxpwifi_scan_cmd_config *scan_cfg_out, + u8 radio) +{ + struct nxpwifi_ie_types_rates_param_set *rates_tlv; + u8 rates[NXPWIFI_SUPPORTED_RATES], *tlv_pos; + u32 rates_size; + + memset(rates, 0, sizeof(rates)); + + tlv_pos = (u8 *)scan_cfg_out->tlv_buf + scan_cfg_out->tlv_buf_len; + + if (priv->scan_request) + rates_size = nxpwifi_get_rates_from_cfg80211(priv, rates, + radio); + else + rates_size = nxpwifi_get_supported_rates(priv, rates); + + nxpwifi_dbg(priv->adapter, CMD, + "info: SCAN_CMD: Rates size = %d\n", + rates_size); + rates_tlv = (struct nxpwifi_ie_types_rates_param_set *)tlv_pos; + rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES); + rates_tlv->header.len = cpu_to_le16((u16)rates_size); + memcpy(rates_tlv->rates, rates, rates_size); + scan_cfg_out->tlv_buf_len += sizeof(rates_tlv->header) + rates_size; + + return rates_size; +} + +/* + * Build and send multiple scan commands by chunking channel TLVs per scan + * limit. + */ +static int +nxpwifi_scan_channel_list(struct nxpwifi_private *priv, + u32 max_chan_per_scan, u8 filtered_scan, + struct nxpwifi_scan_cmd_config *scan_cfg_out, + struct nxpwifi_ie_types_chan_list_param_set *tlv_o, + struct nxpwifi_chan_scan_param_set *scan_chan_list) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret = 0; + struct nxpwifi_chan_scan_param_set *tmp_chan_list; + u32 tlv_idx, rates_size, cmd_no; + u32 total_scan_time; + u32 done_early; + u8 radio_type; + + if (!scan_cfg_out || !tlv_o || !scan_chan_list) { + nxpwifi_dbg(priv->adapter, ERROR, + "info: Scan: Null detect: %p, %p, %p\n", + scan_cfg_out, tlv_o, scan_chan_list); + return -EINVAL; + } + + /* Check csa channel expiry before preparing scan list */ + nxpwifi_11h_get_csa_closed_channel(priv); + + tlv_o->header.type = cpu_to_le16(TLV_TYPE_CHANLIST); + + tmp_chan_list = scan_chan_list; + + /* + * Iterate through the channel list and send a firmware scan command for + * each group of max_chan_per_scan channels, or individually for + * channels 1, 6, and 11 when configured. + */ + while (tmp_chan_list->chan_number) { + tlv_idx = 0; + total_scan_time = 0; + radio_type = 0; + tlv_o->header.len = 0; + done_early = false; + + /* + * Build the channel TLV for the scan command. Continue adding + * channel TLVs until one of the following conditions is met: + * - tlv_idx reaches the maximum allowed per scan command + * - the next channel is 0 (end of the desired channel list) + * - done_early is set (used for per-channel scanning of 1, 6, + * and 11) + */ + while (tlv_idx < max_chan_per_scan && + tmp_chan_list->chan_number && !done_early) { + if (tmp_chan_list->chan_number == priv->csa_chan) { + tmp_chan_list++; + continue; + } + + radio_type = tmp_chan_list->band_cfg; + nxpwifi_dbg(priv->adapter, INFO, + "info: Scan: Chan(%3d), Band(%d),\t" + "Mode(%d, %d), Dur(%d)\n", + tmp_chan_list->chan_number, + tmp_chan_list->band_cfg, + tmp_chan_list->chan_scan_mode_bmap + & NXPWIFI_PASSIVE_SCAN, + (tmp_chan_list->chan_scan_mode_bmap + & NXPWIFI_DISABLE_CHAN_FILT) >> 1, + le16_to_cpu(tmp_chan_list->max_scan_time)); + + /* Copy the current channel TLV into the command being prepared */ + memcpy(&tlv_o->chan_scan_param[tlv_idx], tmp_chan_list, + sizeof(*tlv_o->chan_scan_param)); + + /* + * Increment the TLV header length by the size + * appended + */ + le16_unaligned_add_cpu(&tlv_o->header.len, + sizeof(*tlv_o->chan_scan_param)); + + /* + * The tlv buffer length is set to the number of bytes + * of the between the channel tlv pointer and the start + * of the tlv buffer. This compensates for any TLVs + * that were appended before the channel list. + */ + scan_cfg_out->tlv_buf_len = + (u32)((u8 *)tlv_o - scan_cfg_out->tlv_buf); + + scan_cfg_out->tlv_buf_len += + (sizeof(tlv_o->header) + + le16_to_cpu(tlv_o->header.len)); + + /* Advance the index for the channel TLV being constructed. */ + tlv_idx++; + + /* Count the total scan time per command */ + total_scan_time += + le16_to_cpu(tmp_chan_list->max_scan_time); + + done_early = false; + + /* + * Stop the loop if the current channel is one of 1, 6, + * or 11 and no SSID or BSSID filter is applied. + */ + if (!filtered_scan && + (tmp_chan_list->chan_number == 1 || + tmp_chan_list->chan_number == 6 || + tmp_chan_list->chan_number == 11)) + done_early = true; + + /* Advance the tmp pointer to the next channel to be scanned. */ + tmp_chan_list++; + + /* + * Stop the loop if the next channel is one of 1, 6, + * or 11. This causes that channel to be scanned alone + * in the next iteration. + */ + if (!filtered_scan && + (tmp_chan_list->chan_number == 1 || + tmp_chan_list->chan_number == 6 || + tmp_chan_list->chan_number == 11)) + done_early = true; + } + + /* Ensure the total scan time does not exceed the scan-command timeout. */ + if (total_scan_time > NXPWIFI_MAX_TOTAL_SCAN_TIME) { + nxpwifi_dbg(priv->adapter, ERROR, + "total scan time %dms\t" + "is over limit (%dms), scan skipped\n", + total_scan_time, + NXPWIFI_MAX_TOTAL_SCAN_TIME); + ret = -EINVAL; + break; + } + + rates_size = nxpwifi_append_rate_tlv(priv, scan_cfg_out, + radio_type); + + if (priv->adapter->ext_scan) + cmd_no = HOST_CMD_802_11_SCAN_EXT; + else + cmd_no = HOST_CMD_802_11_SCAN; + + ret = nxpwifi_send_cmd(priv, cmd_no, HOST_ACT_GEN_SET, + 0, scan_cfg_out, false); + + /* + * The rate element is updated for each scan command, but the + * same starting pointer is reused, so the previous rate element + * in scan_cfg_out->buf is overwritten. + */ + scan_cfg_out->tlv_buf_len -= + sizeof(struct nxpwifi_ie_types_header) + rates_size; + + if (ret) { + nxpwifi_cancel_pending_scan_cmd(adapter); + break; + } + } + + return ret; +} + +/* + * Build final scan config from user params, disabling missing filters and using + * defaults. + */ +static void +nxpwifi_config_scan(struct nxpwifi_private *priv, + const struct nxpwifi_user_scan_cfg *user_scan_in, + struct nxpwifi_scan_cmd_config *scan_cfg_out, + struct nxpwifi_ie_types_chan_list_param_set **chan_list_out, + struct nxpwifi_chan_scan_param_set *scan_chan_list, + u8 *max_chan_per_scan, u8 *filtered_scan, + u8 *scan_current_only) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ie_types_num_probes *num_probes_tlv; + struct nxpwifi_ie_types_scan_chan_gap *chan_gap_tlv; + struct nxpwifi_ie_types_random_mac *random_mac_tlv; + struct nxpwifi_ie_types_wildcard_ssid_params *wildcard_ssid_tlv; + struct nxpwifi_ie_types_bssid_list *bssid_tlv; + struct nxpwifi_ie_types_extcap *ext_cap; + u8 *ext_capab = NULL; + u8 *tlv_pos; + u32 num_probes; + u32 ssid_len; + u32 chan_idx; + u32 scan_time; + u32 scan_type; + u16 scan_dur; + u8 channel; + u8 radio_type; + int i, vsid; + u8 ssid_filter; + struct nxpwifi_ie_types_htcap *ht_cap; + struct nxpwifi_ie_types_bss_mode *bss_mode; + struct nxpwifi_ie_types_vhtcap *vht_cap; + struct nxpwifi_ie_types_he_cap *he_cap; + + /* + * tlv_buf_len is recalculated for each scan command. TLVs added in this + * routine are preserved because the send routine appends channel TLVs + * at chan_list_out. The difference between chan_list_out and the start + * of the TLV buffer determines the size of the TLVs added here. + */ + scan_cfg_out->tlv_buf_len = 0; + + /* + * Running TLV pointer. It is assigned to chan_list_out at the end of + * the function so later routines know where channel TLVs can be + * appended in the command buffer. + */ + tlv_pos = scan_cfg_out->tlv_buf; + + /* + * Initialize the scan as un-filtered; the flag is later set to TRUE + * below if a SSID or BSSID filter is sent in the command + */ + *filtered_scan = false; + + /* + * Initialize the scan as not being only on the current channel. If + * the channel list is customized, only contains one channel, and is + * the active channel, this is set true and data flow is not halted. + */ + *scan_current_only = false; + + if (user_scan_in) { + u8 tmpaddr[ETH_ALEN]; + + /* + * Default the ssid_filter flag to TRUE, set false under + * certain wildcard conditions and qualified by the existence + * of an SSID list before marking the scan as filtered + */ + ssid_filter = true; + + /* + * Set the BSS type scan filter, use Adapter setting if + * unset + */ + scan_cfg_out->bss_mode = + (u8)(user_scan_in->bss_mode ?: adapter->scan_mode); + + /* + * Set the number of probes to send, use Adapter setting + * if unset + */ + num_probes = user_scan_in->num_probes ?: adapter->scan_probes; + + /* + * Set the BSSID filter to the incoming configuration, + * if non-zero. If not set, it will remain disabled + * (all zeros). + */ + memcpy(scan_cfg_out->specific_bssid, + user_scan_in->specific_bssid, + sizeof(scan_cfg_out->specific_bssid)); + + memcpy(tmpaddr, scan_cfg_out->specific_bssid, ETH_ALEN); + + if (adapter->ext_scan && + !is_zero_ether_addr(tmpaddr)) { + bssid_tlv = + (struct nxpwifi_ie_types_bssid_list *)tlv_pos; + bssid_tlv->header.type = cpu_to_le16(TLV_TYPE_BSSID); + bssid_tlv->header.len = cpu_to_le16(ETH_ALEN); + memcpy(bssid_tlv->bssid, user_scan_in->specific_bssid, + ETH_ALEN); + tlv_pos += sizeof(struct nxpwifi_ie_types_bssid_list); + } + + for (i = 0; i < user_scan_in->num_ssids; i++) { + ssid_len = user_scan_in->ssid_list[i].ssid_len; + + wildcard_ssid_tlv = + (struct nxpwifi_ie_types_wildcard_ssid_params *) + tlv_pos; + wildcard_ssid_tlv->header.type = + cpu_to_le16(TLV_TYPE_WILDCARDSSID); + wildcard_ssid_tlv->header.len = + cpu_to_le16((u16)(ssid_len + sizeof(u8))); + + /* + * max_ssid_length = 0 tells firmware to perform + * specific scan for the SSID filled, whereas + * max_ssid_length = IEEE80211_MAX_SSID_LEN is for + * wildcard scan. + */ + if (ssid_len) + wildcard_ssid_tlv->max_ssid_length = 0; + else + wildcard_ssid_tlv->max_ssid_length = + IEEE80211_MAX_SSID_LEN; + + if (!memcmp(user_scan_in->ssid_list[i].ssid, + "DIRECT-", 7)) + wildcard_ssid_tlv->max_ssid_length = 0xfe; + + memcpy(wildcard_ssid_tlv->ssid, + user_scan_in->ssid_list[i].ssid, ssid_len); + + tlv_pos += (sizeof(wildcard_ssid_tlv->header) + + le16_to_cpu(wildcard_ssid_tlv->header.len)); + + nxpwifi_dbg(adapter, INFO, + "info: scan: ssid[%d]: %s, %d\n", + i, wildcard_ssid_tlv->ssid, + wildcard_ssid_tlv->max_ssid_length); + + /* + * Empty wildcard ssid with a maxlen will match many or + * potentially all SSIDs (maxlen == 32), therefore do + * not treat the scan as + * filtered. + */ + if (!ssid_len && wildcard_ssid_tlv->max_ssid_length) + ssid_filter = false; + } + + /* + * The default number of channels sent in the command is low to + * ensure the response buffer from the firmware does not + * truncate scan results. That is not an issue with an SSID + * or BSSID filter applied to the scan results in the firmware. + */ + memcpy(tmpaddr, scan_cfg_out->specific_bssid, ETH_ALEN); + if ((i && ssid_filter) || + !is_zero_ether_addr(tmpaddr)) + *filtered_scan = true; + + if (user_scan_in->scan_chan_gap) { + nxpwifi_dbg(adapter, INFO, + "info: scan: channel gap = %d\n", + user_scan_in->scan_chan_gap); + *max_chan_per_scan = + NXPWIFI_MAX_CHANNELS_PER_SPECIFIC_SCAN; + + chan_gap_tlv = (void *)tlv_pos; + chan_gap_tlv->header.type = + cpu_to_le16(TLV_TYPE_SCAN_CHANNEL_GAP); + chan_gap_tlv->header.len = + cpu_to_le16(sizeof(chan_gap_tlv->chan_gap)); + chan_gap_tlv->chan_gap = + cpu_to_le16((user_scan_in->scan_chan_gap)); + tlv_pos += + sizeof(struct nxpwifi_ie_types_scan_chan_gap); + } + + if (!is_zero_ether_addr(user_scan_in->random_mac)) { + random_mac_tlv = (void *)tlv_pos; + random_mac_tlv->header.type = + cpu_to_le16(TLV_TYPE_RANDOM_MAC); + random_mac_tlv->header.len = + cpu_to_le16(sizeof(random_mac_tlv->mac)); + ether_addr_copy(random_mac_tlv->mac, + user_scan_in->random_mac); + tlv_pos += + sizeof(struct nxpwifi_ie_types_random_mac); + } + } else { + scan_cfg_out->bss_mode = (u8)adapter->scan_mode; + num_probes = adapter->scan_probes; + } + + /* + * If a specific BSSID or SSID is used, the number of channels in the + * scan command will be increased to the absolute maximum. + */ + if (*filtered_scan) { + *max_chan_per_scan = NXPWIFI_MAX_CHANNELS_PER_SPECIFIC_SCAN; + } else { + if (!priv->media_connected) + *max_chan_per_scan = NXPWIFI_DEF_CHANNELS_PER_SCAN_CMD; + else + *max_chan_per_scan = + NXPWIFI_DEF_CHANNELS_PER_SCAN_CMD / 2; + } + + if (adapter->ext_scan) { + bss_mode = (struct nxpwifi_ie_types_bss_mode *)tlv_pos; + bss_mode->header.type = cpu_to_le16(TLV_TYPE_BSS_MODE); + bss_mode->header.len = cpu_to_le16(sizeof(bss_mode->bss_mode)); + bss_mode->bss_mode = scan_cfg_out->bss_mode; + tlv_pos += sizeof(bss_mode->header) + + le16_to_cpu(bss_mode->header.len); + } + + /* + * If the input config or adapter has the number of Probes set, + * add tlv + */ + if (num_probes) { + nxpwifi_dbg(adapter, INFO, + "info: scan: num_probes = %d\n", + num_probes); + + num_probes_tlv = (struct nxpwifi_ie_types_num_probes *)tlv_pos; + num_probes_tlv->header.type = cpu_to_le16(TLV_TYPE_NUMPROBES); + num_probes_tlv->header.len = + cpu_to_le16(sizeof(num_probes_tlv->num_probes)); + num_probes_tlv->num_probes = cpu_to_le16((u16)num_probes); + + tlv_pos += sizeof(num_probes_tlv->header) + + le16_to_cpu(num_probes_tlv->header.len); + } + + if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) && + (priv->config_bands & BAND_GN || + priv->config_bands & BAND_AN)) { + ht_cap = (struct nxpwifi_ie_types_htcap *)tlv_pos; + memset(ht_cap, 0, sizeof(struct nxpwifi_ie_types_htcap)); + ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); + ht_cap->header.len = + cpu_to_le16(sizeof(struct ieee80211_ht_cap)); + radio_type = + nxpwifi_band_to_radio_type(priv->config_bands); + nxpwifi_fill_cap_info(priv, radio_type, &ht_cap->ht_cap); + tlv_pos += sizeof(struct nxpwifi_ie_types_htcap); + } + + if (ISSUPP_11ACENABLED(adapter->fw_cap_info) && + (priv->config_bands & BAND_AAC)) { + vht_cap = (struct nxpwifi_ie_types_vhtcap *)tlv_pos; + memset(vht_cap, 0, sizeof(struct nxpwifi_ie_types_vhtcap)); + vht_cap->header.type = cpu_to_le16(WLAN_EID_VHT_CAPABILITY); + vht_cap->header.len = cpu_to_le16(sizeof(struct ieee80211_vht_cap)); + nxpwifi_fill_vht_cap_tlv(priv, &vht_cap->vht_cap, priv->config_bands); + tlv_pos += sizeof(*vht_cap); + } + + if (ISSUPP_11AXENABLED(adapter->fw_cap_ext) && + (priv->config_bands & BAND_GAX || + priv->config_bands & BAND_AAX)) { + he_cap = (struct nxpwifi_ie_types_he_cap *)tlv_pos; + memset(he_cap, 0, sizeof(struct nxpwifi_ie_types_he_cap)); + tlv_pos += nxpwifi_fill_he_cap_tlv(priv, he_cap, priv->config_bands); + } + + if (nxpwifi_is_sta_11ax_twt_req_supported(priv)) { + for (vsid = 0; vsid < NXPWIFI_MAX_VSIE_NUM; vsid++) { + if (priv->vs_ie[vsid].mask & NXPWIFI_VSIE_MASK_SCAN) { + ext_capab = (u8 *)cfg80211_find_ie(WLAN_EID_EXT_CAPABILITY, + priv->vs_ie[vsid].ie, + sizeof(priv->vs_ie[vsid].ie)); + break; + } + } + + if (ext_capab) { + ext_capab += 2; + } else { + ext_cap = (struct nxpwifi_ie_types_extcap *)tlv_pos; + memset(ext_cap, 0, sizeof(struct nxpwifi_ie_types_extcap) + + NXPWIFI_EXT_CAPAB_IE_LEN); + ext_cap->header.type = cpu_to_le16(WLAN_EID_EXT_CAPABILITY); + ext_cap->header.len = cpu_to_le16(NXPWIFI_EXT_CAPAB_IE_LEN); + ext_capab = ext_cap->ext_capab; + tlv_pos += sizeof(struct nxpwifi_ie_types_extcap) + + le16_to_cpu(ext_cap->header.len); + } + + ext_capab[9] |= WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT; + } + + /* Append vendor specific element TLV */ + nxpwifi_cmd_append_vsie_tlv(priv, NXPWIFI_VSIE_MASK_SCAN, &tlv_pos); + + /* + * Set the channel TLV output pointer to the end of the newly added TLVs + * (SSID, num_probes). Channel TLVs for each scan will be appended after + * these, preserving previously added TLVs. + */ + *chan_list_out = + (struct nxpwifi_ie_types_chan_list_param_set *)tlv_pos; + + if (user_scan_in && user_scan_in->chan_list[0].chan_number) { + nxpwifi_dbg(adapter, INFO, + "info: Scan: Using supplied channel list\n"); + + for (chan_idx = 0; + chan_idx < NXPWIFI_USER_SCAN_CHAN_MAX && + user_scan_in->chan_list[chan_idx].chan_number; + chan_idx++) { + channel = user_scan_in->chan_list[chan_idx].chan_number; + scan_chan_list[chan_idx].chan_number = channel; + + radio_type = + user_scan_in->chan_list[chan_idx].radio_type; + scan_chan_list[chan_idx].band_cfg = radio_type; + + scan_type = user_scan_in->chan_list[chan_idx].scan_type; + + if (scan_type == NXPWIFI_SCAN_TYPE_PASSIVE) + scan_chan_list[chan_idx].chan_scan_mode_bmap |= + (NXPWIFI_PASSIVE_SCAN | + NXPWIFI_HIDDEN_SSID_REPORT); + else + scan_chan_list[chan_idx].chan_scan_mode_bmap &= + ~NXPWIFI_PASSIVE_SCAN; + + scan_chan_list[chan_idx].chan_scan_mode_bmap |= + NXPWIFI_DISABLE_CHAN_FILT; + + scan_time = user_scan_in->chan_list[chan_idx].scan_time; + + if (scan_time) { + scan_dur = (u16)scan_time; + } else { + if (scan_type == NXPWIFI_SCAN_TYPE_PASSIVE) + scan_dur = adapter->passive_scan_time; + else if (*filtered_scan) + scan_dur = adapter->specific_scan_time; + else + scan_dur = adapter->active_scan_time; + } + + scan_chan_list[chan_idx].min_scan_time = + cpu_to_le16(scan_dur); + scan_chan_list[chan_idx].max_scan_time = + cpu_to_le16(scan_dur); + } + + /* Check if we are only scanning the current channel */ + if (chan_idx == 1 && + user_scan_in->chan_list[0].chan_number == + priv->curr_bss_params.bss_descriptor.channel) { + *scan_current_only = true; + nxpwifi_dbg(adapter, INFO, + "info: Scan: Scanning current channel only\n"); + } + } else { + nxpwifi_dbg(adapter, INFO, + "info: Scan: Creating full region channel list\n"); + nxpwifi_scan_create_channel_list(priv, user_scan_in, + scan_chan_list, + *filtered_scan); + } +} + +/* Parse the beacon buffer and update the BSS descriptor fields. */ +int nxpwifi_update_bss_desc_with_ie(struct nxpwifi_adapter *adapter, + struct nxpwifi_bssdescriptor *bss_entry) +{ + u8 element_id; + u16 elem_size = sizeof(struct element); + struct ieee_types_fh_param_set *fh_param_set; + struct ieee_types_ds_param_set *ds_param_set; + struct ieee_types_cf_param_set *cf_param_set; + u8 *current_ptr; + u8 *rate; + u8 element_len; + u16 total_ie_len; + u8 bytes_to_copy; + u8 rate_size; + u8 found_data_rate_ie; + u32 bytes_left; + struct ieee_types_vendor_specific *vendor_ie; + const u8 wpa_oui[4] = { 0x00, 0x50, 0xf2, 0x01 }; + const u8 wmm_oui[4] = { 0x00, 0x50, 0xf2, 0x02 }; + struct element *elem; + + found_data_rate_ie = false; + rate_size = 0; + current_ptr = bss_entry->beacon_buf; + bytes_left = bss_entry->beacon_buf_size; + + /* Process variable element */ + while (bytes_left >= 2) { + element_id = *current_ptr; + element_len = *(current_ptr + 1); + total_ie_len = element_len + elem_size; + + if (bytes_left < total_ie_len) { + nxpwifi_dbg(adapter, ERROR, + "err: InterpretIE: in processing\t" + "element, bytes left < element length\n"); + return -EINVAL; + } + switch (element_id) { + case WLAN_EID_SSID: + if (element_len > IEEE80211_MAX_SSID_LEN) + return -EINVAL; + bss_entry->ssid.ssid_len = element_len; + memcpy(bss_entry->ssid.ssid, (current_ptr + 2), + element_len); + nxpwifi_dbg(adapter, INFO, + "info: InterpretIE: ssid: %-32s\n", + bss_entry->ssid.ssid); + break; + + case WLAN_EID_SUPP_RATES: + if (element_len > NXPWIFI_SUPPORTED_RATES) + return -EINVAL; + memcpy(bss_entry->data_rates, current_ptr + 2, + element_len); + memcpy(bss_entry->supported_rates, current_ptr + 2, + element_len); + rate_size = element_len; + found_data_rate_ie = true; + break; + + case WLAN_EID_FH_PARAMS: + if (total_ie_len < sizeof(*fh_param_set)) + return -EINVAL; + fh_param_set = + (struct ieee_types_fh_param_set *)current_ptr; + memcpy(&bss_entry->phy_param_set.fh_param_set, + fh_param_set, + sizeof(struct ieee_types_fh_param_set)); + break; + + case WLAN_EID_DS_PARAMS: + if (total_ie_len < sizeof(*ds_param_set)) + return -EINVAL; + ds_param_set = + (struct ieee_types_ds_param_set *)current_ptr; + + bss_entry->channel = ds_param_set->current_chan; + + memcpy(&bss_entry->phy_param_set.ds_param_set, + ds_param_set, + sizeof(struct ieee_types_ds_param_set)); + break; + + case WLAN_EID_CF_PARAMS: + if (total_ie_len < sizeof(*cf_param_set)) + return -EINVAL; + cf_param_set = + (struct ieee_types_cf_param_set *)current_ptr; + memcpy(&bss_entry->cf_param_set, + cf_param_set, + sizeof(struct ieee_types_cf_param_set)); + break; + + case WLAN_EID_ERP_INFO: + if (!element_len) + return -EINVAL; + bss_entry->erp_flags = *(current_ptr + 2); + break; + + case WLAN_EID_PWR_CONSTRAINT: + if (!element_len) + return -EINVAL; + bss_entry->local_constraint = *(current_ptr + 2); + bss_entry->sensed_11h = true; + break; + + case WLAN_EID_CHANNEL_SWITCH: + bss_entry->chan_sw_ie_present = true; + fallthrough; + case WLAN_EID_PWR_CAPABILITY: + case WLAN_EID_TPC_REPORT: + case WLAN_EID_QUIET: + bss_entry->sensed_11h = true; + break; + + case WLAN_EID_EXT_SUPP_RATES: + /* + * Only process extended supported rate + * if data rate is already found. + * Data rate element should come before + * extended supported rate element + */ + if (found_data_rate_ie) { + if ((element_len + rate_size) > + NXPWIFI_SUPPORTED_RATES) + bytes_to_copy = + (NXPWIFI_SUPPORTED_RATES - + rate_size); + else + bytes_to_copy = element_len; + + rate = (u8 *)bss_entry->data_rates; + rate += rate_size; + memcpy(rate, current_ptr + 2, bytes_to_copy); + + rate = (u8 *)bss_entry->supported_rates; + rate += rate_size; + memcpy(rate, current_ptr + 2, bytes_to_copy); + } + break; + + case WLAN_EID_VENDOR_SPECIFIC: + vendor_ie = (struct ieee_types_vendor_specific *) + current_ptr; + + /* 802.11 requires at least 3-byte OUI. */ + if (element_len < sizeof(vendor_ie->vend_hdr.oui)) + return -EINVAL; + + /* Not long enough for a match? Skip it. */ + if (element_len < sizeof(wpa_oui)) + break; + + if (!memcmp(&vendor_ie->vend_hdr.oui, wpa_oui, + sizeof(wpa_oui))) { + bss_entry->bcn_wpa_ie = + (struct ieee_types_vendor_specific *) + current_ptr; + bss_entry->wpa_offset = + (u16)(current_ptr - + bss_entry->beacon_buf); + } else if (!memcmp(&vendor_ie->vend_hdr.oui, wmm_oui, + sizeof(wmm_oui))) { + if (total_ie_len == + sizeof(struct ieee80211_wmm_param_ie) || + total_ie_len == + sizeof(struct ieee_types_wmm_info)) + /* + * Only accept and copy the WMM element if + * it matches the size expected for the + * WMM Info element or the WMM Parameter element. + */ + memcpy((u8 *)&bss_entry->wmm_ie, + current_ptr, total_ie_len); + } + break; + case WLAN_EID_RSN: + bss_entry->bcn_rsn_ie = + (struct element *)current_ptr; + bss_entry->rsn_offset = + (u16)(current_ptr - bss_entry->beacon_buf); + break; + case WLAN_EID_RSNX: + bss_entry->bcn_rsnx_ie = + (struct element *)current_ptr; + bss_entry->rsnx_offset = + (u16)(current_ptr - bss_entry->beacon_buf); + break; + case WLAN_EID_HT_CAPABILITY: + bss_entry->bcn_ht_cap = + (struct ieee80211_ht_cap *)(current_ptr + + elem_size); + bss_entry->ht_cap_offset = + (u16)(current_ptr + elem_size - + bss_entry->beacon_buf); + break; + case WLAN_EID_HT_OPERATION: + bss_entry->bcn_ht_oper = + (struct ieee80211_ht_operation *)(current_ptr + + elem_size); + bss_entry->ht_info_offset = + (u16)(current_ptr + elem_size - + bss_entry->beacon_buf); + break; + case WLAN_EID_VHT_CAPABILITY: + bss_entry->disable_11ac = false; + bss_entry->bcn_vht_cap = (void *)(current_ptr + + elem_size); + bss_entry->vht_cap_offset = + (u16)((u8 *)bss_entry->bcn_vht_cap - + bss_entry->beacon_buf); + break; + case WLAN_EID_VHT_OPERATION: + bss_entry->bcn_vht_oper = + (void *)(current_ptr + elem_size); + bss_entry->vht_info_offset = + (u16)((u8 *)bss_entry->bcn_vht_oper - + bss_entry->beacon_buf); + break; + case WLAN_EID_BSS_COEX_2040: + bss_entry->bcn_bss_co_2040 = current_ptr; + bss_entry->bss_co_2040_offset = + (u16)(current_ptr - bss_entry->beacon_buf); + break; + case WLAN_EID_EXT_CAPABILITY: + bss_entry->bcn_ext_cap = current_ptr; + bss_entry->ext_cap_offset = + (u16)(current_ptr - bss_entry->beacon_buf); + break; + case WLAN_EID_OPMODE_NOTIF: + bss_entry->oper_mode = (void *)current_ptr; + bss_entry->oper_mode_offset = + (u16)(current_ptr - bss_entry->beacon_buf); + break; + case WLAN_EID_EXTENSION: + elem = (struct element *)current_ptr; + + switch (elem->data[0]) { + case WLAN_EID_EXT_HE_CAPABILITY: + bss_entry->disable_11ax = false; + bss_entry->bcn_he_cap = + (void *)(current_ptr + elem_size + 1); + bss_entry->he_cap_offset = + (u16)((u8 *)bss_entry->bcn_he_cap - + bss_entry->beacon_buf); + break; + case WLAN_EID_EXT_HE_OPERATION: + bss_entry->bcn_he_oper = + (void *)(current_ptr + elem_size + 1); + bss_entry->he_info_offset = + (u16)((u8 *)bss_entry->bcn_he_oper - + bss_entry->beacon_buf); + break; + default: + break; + } + break; + default: + break; + } + + current_ptr += total_ie_len; + bytes_left -= total_ie_len; + + } /* while (bytes_left > 2) */ + return 0; +} + +/* Convert the radio-type scan parameter to the join command's band config. */ +static u8 +nxpwifi_radio_type_to_band(u8 radio_type) +{ + switch (radio_type) { + case HOST_SCAN_RADIO_TYPE_A: + return BAND_A; + case HOST_SCAN_RADIO_TYPE_BG: + default: + return BAND_G; + } +} + +/* Internal helper to start a scan using the given configuration. */ +int nxpwifi_scan_networks(struct nxpwifi_private *priv, + const struct nxpwifi_user_scan_cfg *user_scan_in) +{ + int ret; + struct nxpwifi_adapter *adapter = priv->adapter; + struct cmd_ctrl_node *cmd_node; + union nxpwifi_scan_cmd_config_tlv *scan_cfg_out; + struct nxpwifi_ie_types_chan_list_param_set *chan_list_out; + struct nxpwifi_chan_scan_param_set *scan_chan_list; + u8 filtered_scan; + u8 scan_current_chan_only; + u8 max_chan_per_scan; + + if (adapter->scan_processing) { + nxpwifi_dbg(adapter, WARN, + "cmd: Scan already in process...\n"); + return -EBUSY; + } + + if (priv->scan_block) { + nxpwifi_dbg(adapter, WARN, + "cmd: Scan is blocked during association...\n"); + return -EBUSY; + } + + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags) || + test_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags)) { + nxpwifi_dbg(adapter, ERROR, + "Ignore scan. Card removed or firmware in bad state\n"); + return -EPERM; + } + + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->scan_processing = true; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + + scan_cfg_out = kzalloc_obj(union nxpwifi_scan_cmd_config_tlv, + GFP_KERNEL); + if (!scan_cfg_out) { + ret = -ENOMEM; + goto done; + } + + scan_chan_list = kzalloc_objs(struct nxpwifi_chan_scan_param_set, + NXPWIFI_USER_SCAN_CHAN_MAX, GFP_KERNEL); + if (!scan_chan_list) { + kfree(scan_cfg_out); + ret = -ENOMEM; + goto done; + } + + nxpwifi_config_scan(priv, user_scan_in, &scan_cfg_out->config, + &chan_list_out, scan_chan_list, &max_chan_per_scan, + &filtered_scan, &scan_current_chan_only); + + ret = nxpwifi_scan_channel_list(priv, max_chan_per_scan, filtered_scan, + &scan_cfg_out->config, chan_list_out, + scan_chan_list); + + /* Get scan command from scan_pending_q and put to cmd_pending_q */ + if (!ret) { + spin_lock_bh(&adapter->scan_pending_q_lock); + if (!list_empty(&adapter->scan_pending_q)) { + cmd_node = list_first_entry(&adapter->scan_pending_q, + struct cmd_ctrl_node, list); + list_del(&cmd_node->list); + spin_unlock_bh(&adapter->scan_pending_q_lock); + nxpwifi_insert_cmd_to_pending_q(adapter, cmd_node); + nxpwifi_queue_work(adapter, &adapter->main_work); + + /* Perform internal scan synchronously */ + if (!priv->scan_request) { + nxpwifi_dbg(adapter, INFO, + "wait internal scan\n"); + nxpwifi_wait_queue_complete(adapter, cmd_node); + } + } else { + spin_unlock_bh(&adapter->scan_pending_q_lock); + } + } + + kfree(scan_cfg_out); + kfree(scan_chan_list); +done: + if (ret) { + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->scan_processing = false; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + } + return ret; +} + +/* + * Build the firmware scan command from the given configuration, including + * fixed fields and TLVs, and set the command ID, size, and endianness. + */ +int nxpwifi_cmd_802_11_scan(struct host_cmd_ds_command *cmd, + struct nxpwifi_scan_cmd_config *scan_cfg) +{ + struct host_cmd_ds_802_11_scan *scan_cmd = &cmd->params.scan; + + /* Set fixed field variables in scan command */ + scan_cmd->bss_mode = scan_cfg->bss_mode; + memcpy(scan_cmd->bssid, scan_cfg->specific_bssid, + sizeof(scan_cmd->bssid)); + memcpy(scan_cmd->tlv_buffer, scan_cfg->tlv_buf, scan_cfg->tlv_buf_len); + + cmd->command = cpu_to_le16(HOST_CMD_802_11_SCAN); + + /* Size is equal to the sizeof(fixed portions) + the TLV len + header */ + cmd->size = cpu_to_le16((u16)(sizeof(scan_cmd->bss_mode) + + sizeof(scan_cmd->bssid) + + scan_cfg->tlv_buf_len + S_DS_GEN)); + + return 0; +} + +/* Check compatibility of the requested network with current driver settings. */ +int nxpwifi_check_network_compatibility(struct nxpwifi_private *priv, + struct nxpwifi_bssdescriptor *bss_desc) +{ + int ret = 0; + + if (!bss_desc) + return -EINVAL; + + if ((nxpwifi_get_cfp(priv, (u8)bss_desc->bss_band, + (u16)bss_desc->channel, 0))) { + switch (priv->bss_mode) { + case NL80211_IFTYPE_STATION: + ret = nxpwifi_is_network_compatible(priv, bss_desc, + priv->bss_mode); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "Incompatible network settings\n"); + break; + default: + ret = 0; + } + } + + return ret; +} + +/* Check if the SSID length is zero or all bytes are zero. */ +static bool nxpwifi_is_hidden_ssid(struct cfg80211_ssid *ssid) +{ + int idx; + + for (idx = 0; idx < ssid->ssid_len; idx++) { + if (ssid->ssid[idx]) + return false; + } + + return true; +} + +/* Find hidden SSIDs on passive channels and save those channels for active scan. */ +static int nxpwifi_save_hidden_ssid_channels(struct nxpwifi_private *priv, + struct cfg80211_bss *bss) +{ + struct nxpwifi_bssdescriptor *bss_desc; + int ret; + int chid; + + /* Allocate and fill new bss descriptor */ + bss_desc = kzalloc_obj(*bss_desc, GFP_KERNEL); + if (!bss_desc) + return -ENOMEM; + + ret = nxpwifi_fill_new_bss_desc(priv, bss, bss_desc); + if (ret) + goto done; + + if (nxpwifi_is_hidden_ssid(&bss_desc->ssid)) { + nxpwifi_dbg(priv->adapter, INFO, "found hidden SSID\n"); + for (chid = 0 ; chid < NXPWIFI_USER_SCAN_CHAN_MAX; chid++) { + if (priv->hidden_chan[chid].chan_number == + bss->channel->hw_value) + break; + + if (!priv->hidden_chan[chid].chan_number) { + priv->hidden_chan[chid].chan_number = + bss->channel->hw_value; + priv->hidden_chan[chid].radio_type = + bss->channel->band; + priv->hidden_chan[chid].scan_type = + NXPWIFI_SCAN_TYPE_ACTIVE; + break; + } + } + } + +done: + /* Free beacon_ie allocated by nxpwifi_fill_new_bss_desc(). */ + kfree(bss_desc->beacon_buf); + kfree(bss_desc); + return ret; +} + +static int nxpwifi_update_curr_bss_params(struct nxpwifi_private *priv, + struct cfg80211_bss *bss) +{ + struct nxpwifi_bssdescriptor *bss_desc; + int ret; + + /* Allocate and fill new bss descriptor */ + bss_desc = kzalloc_obj(*bss_desc, GFP_KERNEL); + if (!bss_desc) + return -ENOMEM; + + ret = nxpwifi_fill_new_bss_desc(priv, bss, bss_desc); + if (ret) + goto done; + + ret = nxpwifi_check_network_compatibility(priv, bss_desc); + if (ret) + goto done; + + spin_lock_bh(&priv->curr_bcn_buf_lock); + /* Make a copy of current BSSID descriptor */ + memcpy(&priv->curr_bss_params.bss_descriptor, bss_desc, + sizeof(priv->curr_bss_params.bss_descriptor)); + + /* beacon_ie will be copied to its own buffer in nxpwifi_save_curr_bcn(). */ + nxpwifi_save_curr_bcn(priv); + spin_unlock_bh(&priv->curr_bcn_buf_lock); + +done: + /* Free beacon_ie allocated by nxpwifi_fill_new_bss_desc(). */ + kfree(bss_desc->beacon_buf); + kfree(bss_desc); + return ret; +} + +static int +nxpwifi_parse_single_response_buf(struct nxpwifi_private *priv, u8 **bss_info, + u32 *bytes_left, u64 fw_tsf, const u8 *radio_type, + bool ext_scan, s32 rssi_val) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_chan_freq_power *cfp; + struct cfg80211_bss *bss; + u8 bssid[ETH_ALEN]; + s32 rssi; + const u8 *ie_buf; + size_t ie_len; + u16 channel = 0; + u16 beacon_size = 0; + u32 curr_bcn_bytes; + u32 freq; + u16 beacon_period; + u16 cap_info_bitmap; + u8 *current_ptr; + u64 timestamp; + struct nxpwifi_fixed_bcn_param *bcn_param; + struct nxpwifi_bss_priv *bss_priv; + + if (*bytes_left >= sizeof(beacon_size)) { + /* Extract & convert beacon size from command buffer */ + beacon_size = get_unaligned_le16((*bss_info)); + *bytes_left -= sizeof(beacon_size); + *bss_info += sizeof(beacon_size); + } + + if (!beacon_size || beacon_size > *bytes_left) { + *bss_info += *bytes_left; + *bytes_left = 0; + return -EINVAL; + } + + /* + * Initialize the current working beacon pointer for this BSS + * iteration + */ + current_ptr = *bss_info; + + /* Advance the return beacon pointer past the current beacon */ + *bss_info += beacon_size; + *bytes_left -= beacon_size; + + curr_bcn_bytes = beacon_size; + + /* + * First 5 fields are bssid, RSSI(for legacy scan only), + * time stamp, beacon interval, and capability information + */ + if (curr_bcn_bytes < ETH_ALEN + sizeof(u8) + + sizeof(struct nxpwifi_fixed_bcn_param)) { + nxpwifi_dbg(adapter, ERROR, + "InterpretIE: not enough bytes left\n"); + return -EINVAL; + } + + memcpy(bssid, current_ptr, ETH_ALEN); + current_ptr += ETH_ALEN; + curr_bcn_bytes -= ETH_ALEN; + + if (!ext_scan) { + rssi = (s32)*current_ptr; + rssi = (-rssi) * 100; /* Convert dBm to mBm */ + current_ptr += sizeof(u8); + curr_bcn_bytes -= sizeof(u8); + nxpwifi_dbg(adapter, INFO, + "info: InterpretIE: RSSI=%d\n", rssi); + } else { + rssi = rssi_val; + } + + bcn_param = (struct nxpwifi_fixed_bcn_param *)current_ptr; + current_ptr += sizeof(*bcn_param); + curr_bcn_bytes -= sizeof(*bcn_param); + + timestamp = le64_to_cpu(bcn_param->timestamp); + beacon_period = le16_to_cpu(bcn_param->beacon_period); + + cap_info_bitmap = le16_to_cpu(bcn_param->cap_info_bitmap); + nxpwifi_dbg(adapter, INFO, + "info: InterpretIE: capabilities=0x%X\n", + cap_info_bitmap); + + /* Rest of the current buffer are element's */ + ie_buf = current_ptr; + ie_len = curr_bcn_bytes; + nxpwifi_dbg(adapter, INFO, + "info: InterpretIE: IELength for this AP = %d\n", + curr_bcn_bytes); + + while (curr_bcn_bytes >= sizeof(struct element)) { + u8 element_id, element_len; + + element_id = *current_ptr; + element_len = *(current_ptr + 1); + if (curr_bcn_bytes < element_len + + sizeof(struct element)) { + nxpwifi_dbg(adapter, ERROR, + "%s: bytes left < element length\n", __func__); + return -EFAULT; + } + if (element_id == WLAN_EID_DS_PARAMS) { + channel = *(current_ptr + + sizeof(struct element)); + break; + } + + current_ptr += element_len + sizeof(struct element); + curr_bcn_bytes -= element_len + + sizeof(struct element); + } + + if (channel) { + struct ieee80211_channel *chan; + struct nxpwifi_bssdescriptor *bss_desc; + u8 band; + + /* Skip entry if on csa closed channel */ + if (channel == priv->csa_chan) { + nxpwifi_dbg(adapter, WARN, + "Dropping entry on csa closed channel\n"); + return 0; + } + + band = BAND_G; + if (radio_type) + band = nxpwifi_radio_type_to_band(*radio_type & + (BIT(0) | BIT(1))); + + cfp = nxpwifi_get_cfp(priv, band, channel, 0); + + freq = cfp ? cfp->freq : 0; + + chan = ieee80211_get_channel(priv->wdev.wiphy, freq); + + if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) { + bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, + CFG80211_BSS_FTYPE_UNKNOWN, + bssid, timestamp, + cap_info_bitmap, + beacon_period, + ie_buf, ie_len, rssi, + GFP_ATOMIC); + if (bss) { + bss_priv = (struct nxpwifi_bss_priv *)bss->priv; + bss_priv->band = band; + bss_priv->fw_tsf = fw_tsf; + bss_desc = + &priv->curr_bss_params.bss_descriptor; + if (priv->media_connected && + !memcmp(bssid, bss_desc->mac_address, + ETH_ALEN)) + nxpwifi_update_curr_bss_params(priv, + bss); + + if ((chan->flags & IEEE80211_CHAN_RADAR) || + (chan->flags & IEEE80211_CHAN_NO_IR)) { + nxpwifi_dbg(adapter, INFO, + "radar or passive channel %d\n", + channel); + nxpwifi_save_hidden_ssid_channels(priv, + bss); + } + + cfg80211_put_bss(priv->wdev.wiphy, bss); + } + } + } else { + nxpwifi_dbg(adapter, WARN, "missing BSS channel element\n"); + } + + return 0; +} + +static void nxpwifi_complete_scan(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->survey_idx = 0; + if (adapter->curr_cmd->wait_q_enabled) { + adapter->cmd_wait_q.status = 0; + if (!priv->scan_request) { + nxpwifi_dbg(adapter, INFO, + "complete internal scan\n"); + nxpwifi_complete_cmd(adapter, adapter->curr_cmd); + } + } +} + +/* Find hidden SSIDs on passive channels and run active scans on them. */ +static int +nxpwifi_active_scan_req_for_passive_chan(struct nxpwifi_private *priv) +{ + int ret; + struct nxpwifi_adapter *adapter = priv->adapter; + u8 id = 0; + struct nxpwifi_user_scan_cfg *user_scan_cfg; + + if (adapter->active_scan_triggered || !priv->scan_request || + priv->scan_aborting) { + adapter->active_scan_triggered = false; + return 0; + } + + if (!priv->hidden_chan[0].chan_number) { + nxpwifi_dbg(adapter, INFO, "No BSS with hidden SSID found on DFS channels\n"); + return 0; + } + user_scan_cfg = kzalloc_obj(*user_scan_cfg, GFP_KERNEL); + + if (!user_scan_cfg) + return -ENOMEM; + + for (id = 0; id < NXPWIFI_USER_SCAN_CHAN_MAX; id++) { + if (!priv->hidden_chan[id].chan_number) + break; + memcpy(&user_scan_cfg->chan_list[id], + &priv->hidden_chan[id], + sizeof(struct nxpwifi_user_scan_chan)); + } + + adapter->active_scan_triggered = true; + if (priv->scan_request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) + ether_addr_copy(user_scan_cfg->random_mac, + priv->scan_request->mac_addr); + user_scan_cfg->num_ssids = priv->scan_request->n_ssids; + user_scan_cfg->ssid_list = priv->scan_request->ssids; + + ret = nxpwifi_scan_networks(priv, user_scan_cfg); + kfree(user_scan_cfg); + + memset(&priv->hidden_chan, 0, sizeof(priv->hidden_chan)); + + if (ret) + nxpwifi_dbg(adapter, ERROR, "scan failed: %d\n", ret); + + return ret; +} + +static void nxpwifi_check_next_scan_command(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct cmd_ctrl_node *cmd_node; + + spin_lock_bh(&adapter->scan_pending_q_lock); + if (list_empty(&adapter->scan_pending_q)) { + spin_unlock_bh(&adapter->scan_pending_q_lock); + + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->scan_processing = false; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + + nxpwifi_active_scan_req_for_passive_chan(priv); + + if (!adapter->ext_scan) + nxpwifi_complete_scan(priv); + + if (priv->scan_request) { + struct cfg80211_scan_info info = { + .aborted = false, + }; + + nxpwifi_dbg(adapter, INFO, + "info: notifying scan done\n"); + cfg80211_scan_done(priv->scan_request, &info); + priv->scan_request = NULL; + priv->scan_aborting = false; + } else { + priv->scan_aborting = false; + nxpwifi_dbg(adapter, INFO, + "info: scan already aborted\n"); + } + } else if ((priv->scan_aborting && !priv->scan_request) || + priv->scan_block) { + spin_unlock_bh(&adapter->scan_pending_q_lock); + + nxpwifi_cancel_pending_scan_cmd(adapter); + + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->scan_processing = false; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + + if (!adapter->active_scan_triggered) { + if (priv->scan_request) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + nxpwifi_dbg(adapter, INFO, + "info: aborting scan\n"); + cfg80211_scan_done(priv->scan_request, &info); + priv->scan_request = NULL; + priv->scan_aborting = false; + } else { + priv->scan_aborting = false; + nxpwifi_dbg(adapter, INFO, + "info: scan already aborted\n"); + } + } + } else { + /* Move a scan command from scan_pending_q to cmd_pending_q. */ + cmd_node = list_first_entry(&adapter->scan_pending_q, + struct cmd_ctrl_node, list); + list_del(&cmd_node->list); + spin_unlock_bh(&adapter->scan_pending_q_lock); + nxpwifi_insert_cmd_to_pending_q(adapter, cmd_node); + } +} + +void nxpwifi_cancel_scan(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + int i; + + nxpwifi_cancel_pending_scan_cmd(adapter); + + if (adapter->scan_processing) { + spin_lock_bh(&adapter->nxpwifi_cmd_lock); + adapter->scan_processing = false; + spin_unlock_bh(&adapter->nxpwifi_cmd_lock); + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (priv->scan_request) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + nxpwifi_dbg(adapter, INFO, + "info: aborting scan\n"); + cfg80211_scan_done(priv->scan_request, &info); + priv->scan_request = NULL; + priv->scan_aborting = false; + } + } + } +} + +/* + * Handle the scan command response. + * + * The scan response buffer has the following layout: + * + * ------------------------------------------------------------- + * | Header (4 * t_u16): standard command response header | + * ------------------------------------------------------------- + * | BufSize (t_u16): size of the BSS description data | + * ------------------------------------------------------------- + * | NumOfSet (t_u8): number of returned BSS descriptions | + * ------------------------------------------------------------- + * | BSS description data (variable, size = BufSize) | + * ------------------------------------------------------------- + * | TLV data (variable, size = cmd_size - fixed fields) | + * ------------------------------------------------------------- + */ +int nxpwifi_ret_802_11_scan(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp) +{ + int ret = 0; + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_802_11_scan_rsp *scan_rsp; + u8 *tlv_data; + const struct nxpwifi_ie_types_tsf_timestamp *tsf_tlv; + u8 *bss_info; + u32 scan_resp_size; + u32 bytes_left; + u32 idx; + u32 tlv_buf_size; + const struct nxpwifi_ie_types_chan_band_list_param_set *chan_band_tlv; + const struct chan_band_param_set *chan_band; + u8 is_bgscan_resp; + __le64 fw_tsf = 0; + const u8 *radio_type; + struct cfg80211_wowlan_nd_match *pmatch; + struct cfg80211_sched_scan_request *nd_config = NULL; + + is_bgscan_resp = (le16_to_cpu(resp->command) + == HOST_CMD_802_11_BG_SCAN_QUERY); + if (is_bgscan_resp) + scan_rsp = &resp->params.bg_scan_query_resp.scan_resp; + else + scan_rsp = &resp->params.scan_resp; + + if (scan_rsp->number_of_sets > NXPWIFI_MAX_AP) { + nxpwifi_dbg(adapter, ERROR, + "SCAN_RESP: too many AP returned (%d)\n", + scan_rsp->number_of_sets); + ret = -EINVAL; + goto check_next_scan; + } + + /* Check csa channel expiry before parsing scan response */ + nxpwifi_11h_get_csa_closed_channel(priv); + + bytes_left = le16_to_cpu(scan_rsp->bss_descript_size); + nxpwifi_dbg(adapter, INFO, + "info: SCAN_RESP: bss_descript_size %d\n", + bytes_left); + + scan_resp_size = le16_to_cpu(resp->size); + + nxpwifi_dbg(adapter, INFO, + "info: SCAN_RESP: returned %d APs before parsing\n", + scan_rsp->number_of_sets); + + bss_info = scan_rsp->bss_desc_and_tlv_buffer; + + /* + * TLV buffer size = scan_resp_size minus the fixed fields, BSS + * description data, and the command response header (S_DS_GEN). + */ + tlv_buf_size = scan_resp_size - (bytes_left + + sizeof(scan_rsp->bss_descript_size) + + sizeof(scan_rsp->number_of_sets) + + S_DS_GEN); + + tlv_data = (scan_rsp->bss_desc_and_tlv_buffer + + bytes_left); + + /* Find timestamp TLV */ + { + const struct nxpwifi_tlv *t; + + t = nxpwifi_find_tlv(TLV_TYPE_TSFTIMESTAMP, tlv_data, tlv_buf_size); + tsf_tlv = (const struct nxpwifi_ie_types_tsf_timestamp *)t; + } + + /* Find channel-band list TLV */ + { + const struct nxpwifi_tlv *t; + + t = nxpwifi_find_tlv(TLV_TYPE_CHANNELBANDLIST, tlv_data, + tlv_buf_size); + chan_band_tlv = + (const struct nxpwifi_ie_types_chan_band_list_param_set *)t; + } + +#ifdef CONFIG_PM + if (priv->wdev.wiphy->wowlan_config) + nd_config = priv->wdev.wiphy->wowlan_config->nd_config; +#endif + + if (nd_config) { + adapter->nd_info = + kzalloc_flex(*adapter->nd_info, matches, + scan_rsp->number_of_sets, GFP_ATOMIC); + + if (adapter->nd_info) + adapter->nd_info->n_matches = scan_rsp->number_of_sets; + } + + for (idx = 0; idx < scan_rsp->number_of_sets && bytes_left; idx++) { + /* + * If a TSF TLV is present, save its TSF value in fw_tsf. This + * is the firmware TSF at the time the beacon or probe response + * was received. + */ + if (tsf_tlv) + memcpy(&fw_tsf, &tsf_tlv->tsf_data[idx * TSF_DATA_SIZE], + sizeof(fw_tsf)); + + if (chan_band_tlv) { + chan_band = &chan_band_tlv->chan_band_param[idx]; + radio_type = &chan_band->radio_type; + } else { + radio_type = NULL; + } + + if (chan_band_tlv && adapter->nd_info) { + adapter->nd_info->matches[idx] = + kzalloc(sizeof(*pmatch) + sizeof(u32), + GFP_ATOMIC); + + pmatch = adapter->nd_info->matches[idx]; + + if (pmatch) { + pmatch->n_channels = 1; + pmatch->channels[0] = chan_band->chan_number; + } + } + + ret = nxpwifi_parse_single_response_buf(priv, &bss_info, + &bytes_left, + le64_to_cpu(fw_tsf), + radio_type, false, 0); + if (ret) + goto check_next_scan; + } + +check_next_scan: + nxpwifi_check_next_scan_command(priv); + return ret; +} + +/* + * Prepare the extended scan command using the provided scan configuration + * and build the structure to be sent to firmware. + */ +int nxpwifi_cmd_802_11_scan_ext(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + void *data_buf) +{ + struct host_cmd_ds_802_11_scan_ext *ext_scan = &cmd->params.ext_scan; + struct nxpwifi_scan_cmd_config *scan_cfg = data_buf; + + memcpy(ext_scan->tlv_buffer, scan_cfg->tlv_buf, scan_cfg->tlv_buf_len); + + cmd->command = cpu_to_le16(HOST_CMD_802_11_SCAN_EXT); + + /* Size is equal to the sizeof(fixed portions) + the TLV len + header */ + cmd->size = cpu_to_le16((u16)(sizeof(ext_scan->reserved) + + scan_cfg->tlv_buf_len + S_DS_GEN)); + + return 0; +} + +/* Prepare the background scan config command to send to firmware. */ +int nxpwifi_cmd_802_11_bg_scan_config(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + void *data_buf) +{ + struct host_cmd_ds_802_11_bg_scan_config *bgscan_config = + &cmd->params.bg_scan_config; + struct nxpwifi_bg_scan_cfg *bgscan_cfg_in = data_buf; + u8 *tlv_pos = bgscan_config->tlv; + u8 num_probes; + u32 ssid_len, chan_idx, scan_time, scan_type, scan_dur, chan_num; + int i; + struct nxpwifi_ie_types_num_probes *num_probes_tlv; + struct nxpwifi_ie_types_repeat_count *repeat_count_tlv; + struct nxpwifi_ie_types_min_rssi_threshold *rssi_threshold_tlv; + struct nxpwifi_ie_types_bgscan_start_later *start_later_tlv; + struct nxpwifi_ie_types_wildcard_ssid_params *wildcard_ssid_tlv; + struct nxpwifi_ie_types_chan_list_param_set *tlv_l; + struct nxpwifi_chan_scan_param_set *temp_chan; + + cmd->command = cpu_to_le16(HOST_CMD_802_11_BG_SCAN_CONFIG); + cmd->size = cpu_to_le16(sizeof(*bgscan_config) + S_DS_GEN); + + bgscan_config->action = cpu_to_le16(bgscan_cfg_in->action); + bgscan_config->enable = bgscan_cfg_in->enable; + bgscan_config->bss_type = bgscan_cfg_in->bss_type; + bgscan_config->scan_interval = + cpu_to_le32(bgscan_cfg_in->scan_interval); + bgscan_config->report_condition = + cpu_to_le32(bgscan_cfg_in->report_condition); + + /* stop sched scan */ + if (!bgscan_config->enable) + return 0; + + bgscan_config->chan_per_scan = bgscan_cfg_in->chan_per_scan; + + num_probes = (bgscan_cfg_in->num_probes ? + bgscan_cfg_in->num_probes : priv->adapter->scan_probes); + + if (num_probes) { + num_probes_tlv = (struct nxpwifi_ie_types_num_probes *)tlv_pos; + num_probes_tlv->header.type = cpu_to_le16(TLV_TYPE_NUMPROBES); + num_probes_tlv->header.len = + cpu_to_le16(sizeof(num_probes_tlv->num_probes)); + num_probes_tlv->num_probes = cpu_to_le16((u16)num_probes); + + tlv_pos += sizeof(num_probes_tlv->header) + + le16_to_cpu(num_probes_tlv->header.len); + } + + if (bgscan_cfg_in->repeat_count) { + repeat_count_tlv = + (struct nxpwifi_ie_types_repeat_count *)tlv_pos; + repeat_count_tlv->header.type = + cpu_to_le16(TLV_TYPE_REPEAT_COUNT); + repeat_count_tlv->header.len = + cpu_to_le16(sizeof(repeat_count_tlv->repeat_count)); + repeat_count_tlv->repeat_count = + cpu_to_le16(bgscan_cfg_in->repeat_count); + + tlv_pos += sizeof(repeat_count_tlv->header) + + le16_to_cpu(repeat_count_tlv->header.len); + } + + if (bgscan_cfg_in->rssi_threshold) { + rssi_threshold_tlv = + (struct nxpwifi_ie_types_min_rssi_threshold *)tlv_pos; + rssi_threshold_tlv->header.type = + cpu_to_le16(TLV_TYPE_RSSI_LOW); + rssi_threshold_tlv->header.len = + cpu_to_le16(sizeof(rssi_threshold_tlv->rssi_threshold)); + rssi_threshold_tlv->rssi_threshold = + cpu_to_le16(bgscan_cfg_in->rssi_threshold); + + tlv_pos += sizeof(rssi_threshold_tlv->header) + + le16_to_cpu(rssi_threshold_tlv->header.len); + } + + for (i = 0; i < bgscan_cfg_in->num_ssids; i++) { + ssid_len = bgscan_cfg_in->ssid_list[i].ssid.ssid_len; + + wildcard_ssid_tlv = + (struct nxpwifi_ie_types_wildcard_ssid_params *)tlv_pos; + wildcard_ssid_tlv->header.type = + cpu_to_le16(TLV_TYPE_WILDCARDSSID); + wildcard_ssid_tlv->header.len = + cpu_to_le16((u16)(ssid_len + sizeof(u8))); + + /* + * max_ssid_length = 0 tells firmware to scan only for the given + * SSID. max_ssid_length = IEEE80211_MAX_SSID_LEN triggers a + * wildcard scan. + */ + if (ssid_len) + wildcard_ssid_tlv->max_ssid_length = 0; + else + wildcard_ssid_tlv->max_ssid_length = + IEEE80211_MAX_SSID_LEN; + + memcpy(wildcard_ssid_tlv->ssid, + bgscan_cfg_in->ssid_list[i].ssid.ssid, ssid_len); + + tlv_pos += (sizeof(wildcard_ssid_tlv->header) + + le16_to_cpu(wildcard_ssid_tlv->header.len)); + } + + tlv_l = (struct nxpwifi_ie_types_chan_list_param_set *)tlv_pos; + + if (bgscan_cfg_in->chan_list[0].chan_number) { + nxpwifi_dbg(priv->adapter, INFO, "info: bgscan: Using supplied channel list\n"); + + tlv_l->header.type = cpu_to_le16(TLV_TYPE_CHANLIST); + + for (chan_idx = 0; + chan_idx < NXPWIFI_BG_SCAN_CHAN_MAX && + bgscan_cfg_in->chan_list[chan_idx].chan_number; + chan_idx++) { + temp_chan = &tlv_l->chan_scan_param[chan_idx]; + + /* Increment the TLV header length by size appended */ + le16_unaligned_add_cpu(&tlv_l->header.len, + sizeof(*tlv_l->chan_scan_param)); + + temp_chan->chan_number = + bgscan_cfg_in->chan_list[chan_idx].chan_number; + temp_chan->band_cfg = + bgscan_cfg_in->chan_list[chan_idx].radio_type; + + scan_type = + bgscan_cfg_in->chan_list[chan_idx].scan_type; + + if (scan_type == NXPWIFI_SCAN_TYPE_PASSIVE) + temp_chan->chan_scan_mode_bmap |= + NXPWIFI_PASSIVE_SCAN; + else + temp_chan->chan_scan_mode_bmap &= + ~NXPWIFI_PASSIVE_SCAN; + + scan_time = bgscan_cfg_in->chan_list[chan_idx].scan_time; + + if (scan_time) { + scan_dur = (u16)scan_time; + } else { + scan_dur = (scan_type == + NXPWIFI_SCAN_TYPE_PASSIVE) ? + priv->adapter->passive_scan_time : + priv->adapter->specific_scan_time; + } + + temp_chan->min_scan_time = cpu_to_le16(scan_dur); + temp_chan->max_scan_time = cpu_to_le16(scan_dur); + } + } else { + nxpwifi_dbg(priv->adapter, INFO, + "info: bgscan: Creating full region channel list\n"); + chan_num = + nxpwifi_bgscan_create_channel_list + (priv, bgscan_cfg_in, + tlv_l->chan_scan_param); + le16_unaligned_add_cpu(&tlv_l->header.len, + chan_num * + sizeof(*tlv_l->chan_scan_param)); + } + + tlv_pos += (sizeof(tlv_l->header) + + le16_to_cpu(tlv_l->header.len)); + + if (bgscan_cfg_in->start_later) { + start_later_tlv = + (struct nxpwifi_ie_types_bgscan_start_later *)tlv_pos; + start_later_tlv->header.type = + cpu_to_le16(TLV_TYPE_BGSCAN_START_LATER); + start_later_tlv->header.len = + cpu_to_le16(sizeof(start_later_tlv->start_later)); + start_later_tlv->start_later = + cpu_to_le16(bgscan_cfg_in->start_later); + + tlv_pos += sizeof(start_later_tlv->header) + + le16_to_cpu(start_later_tlv->header.len); + } + + /* Append vendor specific element TLV */ + nxpwifi_cmd_append_vsie_tlv(priv, NXPWIFI_VSIE_MASK_BGSCAN, &tlv_pos); + + le16_unaligned_add_cpu(&cmd->size, tlv_pos - bgscan_config->tlv); + + return 0; +} + +int nxpwifi_stop_bg_scan(struct nxpwifi_private *priv) +{ + struct nxpwifi_bg_scan_cfg *bgscan_cfg; + int ret; + + if (!priv->sched_scanning) { + nxpwifi_dbg(priv->adapter, MSG, "bgscan already stopped!\n"); + return 0; + } + + bgscan_cfg = kzalloc_obj(*bgscan_cfg, GFP_KERNEL); + if (!bgscan_cfg) + return -ENOMEM; + + bgscan_cfg->bss_type = NXPWIFI_BSS_MODE_INFRA; + bgscan_cfg->action = NXPWIFI_BGSCAN_ACT_SET; + bgscan_cfg->enable = false; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_BG_SCAN_CONFIG, + HOST_ACT_GEN_SET, 0, bgscan_cfg, true); + if (!ret) + priv->sched_scanning = false; + + kfree(bgscan_cfg); + return ret; +} + +static void +nxpwifi_update_chan_statistics(struct nxpwifi_private *priv, + struct nxpwifi_ietypes_chanstats *tlv_stat) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u8 i, num_chan; + struct nxpwifi_fw_chan_stats *fw_chan_stats; + struct nxpwifi_chan_stats chan_stats; + + fw_chan_stats = (void *)((u8 *)tlv_stat + + sizeof(struct nxpwifi_ie_types_header)); + num_chan = le16_to_cpu(tlv_stat->header.len) / + sizeof(struct nxpwifi_chan_stats); + + for (i = 0 ; i < num_chan; i++) { + if (adapter->survey_idx >= adapter->num_in_chan_stats) { + nxpwifi_dbg(adapter, WARN, + "FW reported too many channel results (max %d)\n", + adapter->num_in_chan_stats); + return; + } + chan_stats.chan_num = fw_chan_stats->chan_num; + chan_stats.bandcfg = fw_chan_stats->bandcfg; + chan_stats.flags = fw_chan_stats->flags; + chan_stats.noise = fw_chan_stats->noise; + chan_stats.total_bss = le16_to_cpu(fw_chan_stats->total_bss); + chan_stats.cca_scan_dur = + le16_to_cpu(fw_chan_stats->cca_scan_dur); + chan_stats.cca_busy_dur = + le16_to_cpu(fw_chan_stats->cca_busy_dur); + nxpwifi_dbg(adapter, INFO, + "chan=%d, noise=%d, total_network=%d scan_duration=%d, busy_duration=%d\n", + chan_stats.chan_num, + chan_stats.noise, + chan_stats.total_bss, + chan_stats.cca_scan_dur, + chan_stats.cca_busy_dur); + memcpy(&adapter->chan_stats[adapter->survey_idx++], &chan_stats, + sizeof(struct nxpwifi_chan_stats)); + fw_chan_stats++; + } +} + +/* Handle the extended scan command response. */ +int nxpwifi_ret_802_11_scan_ext(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_802_11_scan_ext *ext_scan_resp; + struct nxpwifi_ie_types_header *tlv; + struct nxpwifi_ietypes_chanstats *tlv_stat; + u16 buf_left, type, len; + + struct host_cmd_ds_command *cmd_ptr; + struct cmd_ctrl_node *cmd_node; + bool complete_scan = false; + + nxpwifi_dbg(adapter, INFO, "info: EXT scan returns successfully\n"); + + ext_scan_resp = &resp->params.ext_scan; + + tlv = (void *)ext_scan_resp->tlv_buffer; + buf_left = le16_to_cpu(resp->size) - (sizeof(*ext_scan_resp) + S_DS_GEN); + + while (buf_left >= sizeof(struct nxpwifi_ie_types_header)) { + type = le16_to_cpu(tlv->type); + len = le16_to_cpu(tlv->len); + + if (buf_left < (sizeof(struct nxpwifi_ie_types_header) + len)) { + nxpwifi_dbg(adapter, ERROR, + "error processing scan response TLVs"); + break; + } + + switch (type) { + case TLV_TYPE_CHANNEL_STATS: + tlv_stat = (void *)tlv; + nxpwifi_update_chan_statistics(priv, tlv_stat); + break; + default: + break; + } + + buf_left -= len + sizeof(struct nxpwifi_ie_types_header); + tlv = (void *)((u8 *)tlv + len + + sizeof(struct nxpwifi_ie_types_header)); + } + + spin_lock_bh(&adapter->cmd_pending_q_lock); + spin_lock_bh(&adapter->scan_pending_q_lock); + if (list_empty(&adapter->scan_pending_q)) { + complete_scan = true; + list_for_each_entry(cmd_node, &adapter->cmd_pending_q, list) { + cmd_ptr = (void *)cmd_node->cmd_skb->data; + if (le16_to_cpu(cmd_ptr->command) == + HOST_CMD_802_11_SCAN_EXT) { + nxpwifi_dbg(adapter, INFO, + "Scan pending in command pending list"); + complete_scan = false; + break; + } + } + } + spin_unlock_bh(&adapter->scan_pending_q_lock); + spin_unlock_bh(&adapter->cmd_pending_q_lock); + + if (complete_scan) + nxpwifi_complete_scan(priv); + + return 0; +} + +/* + * Handle the extended scan report event: parse the results and notify + * cfg80211. + */ +int nxpwifi_handle_event_ext_scan_report(struct nxpwifi_private *priv, + void *buf) +{ + int ret = 0; + struct nxpwifi_adapter *adapter = priv->adapter; + u8 *bss_info; + u32 bytes_left, bytes_left_for_tlv, idx; + u16 type, len; + struct nxpwifi_ie_types_data *tlv; + struct nxpwifi_ie_types_scan_rsp *scan_rsp_tlv; + struct nxpwifi_ie_types_scan_inf *scan_info_tlv; + u8 *radio_type; + u64 fw_tsf = 0; + s32 rssi = 0; + struct nxpwifi_event_scan_result *event_scan = buf; + u8 num_of_set = event_scan->num_of_set; + u8 *scan_resp = buf + sizeof(struct nxpwifi_event_scan_result); + u16 scan_resp_size = le16_to_cpu(event_scan->buf_size); + + if (num_of_set > NXPWIFI_MAX_AP) { + nxpwifi_dbg(adapter, ERROR, + "EXT_SCAN: Invalid number of AP returned (%d)!!\n", + num_of_set); + ret = -EINVAL; + goto check_next_scan; + } + + bytes_left = scan_resp_size; + nxpwifi_dbg(adapter, INFO, + "EXT_SCAN: size %d, returned %d APs...", + scan_resp_size, num_of_set); + nxpwifi_dbg_dump(adapter, CMD_D, "EXT_SCAN buffer:", buf, + scan_resp_size + + sizeof(struct nxpwifi_event_scan_result)); + + tlv = (struct nxpwifi_ie_types_data *)scan_resp; + + for (idx = 0; idx < num_of_set && bytes_left; idx++) { + type = le16_to_cpu(tlv->header.type); + len = le16_to_cpu(tlv->header.len); + if (bytes_left < sizeof(struct nxpwifi_ie_types_header) + len) { + nxpwifi_dbg(adapter, ERROR, + "EXT_SCAN: Error bytes left < TLV length\n"); + break; + } + scan_rsp_tlv = NULL; + scan_info_tlv = NULL; + bytes_left_for_tlv = bytes_left; + + /* + * BSS response TLV with beacon or probe response buffer + * at the initial position of each descriptor + */ + if (type != TLV_TYPE_BSS_SCAN_RSP) + break; + + bss_info = (u8 *)tlv; + scan_rsp_tlv = (struct nxpwifi_ie_types_scan_rsp *)tlv; + tlv = (struct nxpwifi_ie_types_data *)(tlv->data + len); + bytes_left_for_tlv -= + (len + sizeof(struct nxpwifi_ie_types_header)); + + while (bytes_left_for_tlv >= + sizeof(struct nxpwifi_ie_types_header) && + le16_to_cpu(tlv->header.type) != TLV_TYPE_BSS_SCAN_RSP) { + type = le16_to_cpu(tlv->header.type); + len = le16_to_cpu(tlv->header.len); + if (bytes_left_for_tlv < + sizeof(struct nxpwifi_ie_types_header) + len) { + nxpwifi_dbg(adapter, ERROR, + "EXT_SCAN: Error in processing TLV,\t" + "bytes left < TLV length\n"); + scan_rsp_tlv = NULL; + bytes_left_for_tlv = 0; + continue; + } + switch (type) { + case TLV_TYPE_BSS_SCAN_INFO: + scan_info_tlv = + (struct nxpwifi_ie_types_scan_inf *)tlv; + if (len != + sizeof(struct nxpwifi_ie_types_scan_inf) - + sizeof(struct nxpwifi_ie_types_header)) { + bytes_left_for_tlv = 0; + continue; + } + break; + default: + break; + } + tlv = (struct nxpwifi_ie_types_data *)(tlv->data + len); + bytes_left -= + (len + sizeof(struct nxpwifi_ie_types_header)); + bytes_left_for_tlv -= + (len + sizeof(struct nxpwifi_ie_types_header)); + } + + if (!scan_rsp_tlv) + break; + + /* + * Advance pointer to the beacon buffer length and + * update the bytes count so that the function + * wlan_interpret_bss_desc_with_ie() can handle the + * scan buffer withut any change + */ + bss_info += sizeof(u16); + bytes_left -= sizeof(u16); + + if (scan_info_tlv) { + rssi = (s32)(s16)(le16_to_cpu(scan_info_tlv->rssi)); + rssi *= 100; /* Convert dBm to mBm */ + nxpwifi_dbg(adapter, INFO, + "info: InterpretIE: RSSI=%d\n", rssi); + fw_tsf = le64_to_cpu(scan_info_tlv->tsf); + radio_type = &scan_info_tlv->radio_type; + } else { + radio_type = NULL; + } + ret = nxpwifi_parse_single_response_buf(priv, &bss_info, + &bytes_left, fw_tsf, + radio_type, true, rssi); + if (ret) + goto check_next_scan; + } + +check_next_scan: + if (!event_scan->more_event) + nxpwifi_check_next_scan_command(priv); + + return ret; +} + +/* + * Prepare the background scan query command. Sets the command ID, size, + * flush parameter, and fixes endianness. + */ +int nxpwifi_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd) +{ + struct host_cmd_ds_802_11_bg_scan_query *bg_query = + &cmd->params.bg_scan_query; + + cmd->command = cpu_to_le16(HOST_CMD_802_11_BG_SCAN_QUERY); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_bg_scan_query) + + S_DS_GEN); + + bg_query->flush = 1; + + return 0; +} + +/* Insert a scan command node into the scan_pending_q. */ +void +nxpwifi_queue_scan_cmd(struct nxpwifi_private *priv, + struct cmd_ctrl_node *cmd_node) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + cmd_node->wait_q_enabled = true; + cmd_node->condition = &adapter->scan_wait_q_woken; + spin_lock_bh(&adapter->scan_pending_q_lock); + list_add_tail(&cmd_node->list, &adapter->scan_pending_q); + spin_unlock_bh(&adapter->scan_pending_q_lock); +} + +/* Append a vendor-specific element TLV to the buffer. */ +int +nxpwifi_cmd_append_vsie_tlv(struct nxpwifi_private *priv, + u16 vsie_mask, u8 **buffer) +{ + int id, ret_len = 0; + struct nxpwifi_ie_types_vendor_param_set *vs_param_set; + + if (!buffer) + return 0; + if (!(*buffer)) + return 0; + + /* + * Traverse through the saved vendor specific element array and append + * the selected(scan/assoc) element as TLV to the command + */ + for (id = 0; id < NXPWIFI_MAX_VSIE_NUM; id++) { + if (priv->vs_ie[id].mask & vsie_mask) { + vs_param_set = + (struct nxpwifi_ie_types_vendor_param_set *) + *buffer; + vs_param_set->header.type = + cpu_to_le16(TLV_TYPE_PASSTHROUGH); + vs_param_set->header.len = + cpu_to_le16((((u16)priv->vs_ie[id].ie[1]) + & 0x00FF) + 2); + if (le16_to_cpu(vs_param_set->header.len) > + NXPWIFI_MAX_VSIE_LEN) { + nxpwifi_dbg(priv->adapter, ERROR, + "Invalid param length!\n"); + break; + } + + memcpy(vs_param_set->ie, priv->vs_ie[id].ie, + le16_to_cpu(vs_param_set->header.len)); + *buffer += le16_to_cpu(vs_param_set->header.len) + + sizeof(struct nxpwifi_ie_types_header); + ret_len += le16_to_cpu(vs_param_set->header.len) + + sizeof(struct nxpwifi_ie_types_header); + } + } + return ret_len; +} + +/* + * Save the beacon buffer of the current BSS descriptor. + * + * The buffer is preserved so it can be restored when the current SSID's + * beacon is missing, such as when: + * - the SSID was not found in the latest scan, or + * - the SSID was the last entry in the scan table and was overwritten. + */ +void +nxpwifi_save_curr_bcn(struct nxpwifi_private *priv) +{ + struct nxpwifi_bssdescriptor *curr_bss = + &priv->curr_bss_params.bss_descriptor; + + if (!curr_bss->beacon_buf_size) + return; + + /* allocate beacon buffer at 1st time; or if it's size has changed */ + if (!priv->curr_bcn_buf || + priv->curr_bcn_size != curr_bss->beacon_buf_size) { + priv->curr_bcn_size = curr_bss->beacon_buf_size; + + kfree(priv->curr_bcn_buf); + priv->curr_bcn_buf = kmalloc(curr_bss->beacon_buf_size, + GFP_ATOMIC); + if (!priv->curr_bcn_buf) + return; + } + + memcpy(priv->curr_bcn_buf, curr_bss->beacon_buf, + curr_bss->beacon_buf_size); + nxpwifi_dbg(priv->adapter, INFO, + "info: current beacon saved %d\n", + priv->curr_bcn_size); + + curr_bss->beacon_buf = priv->curr_bcn_buf; + + /* adjust the pointers in the current BSS descriptor */ + if (curr_bss->bcn_wpa_ie) + curr_bss->bcn_wpa_ie = + (struct ieee_types_vendor_specific *) + (curr_bss->beacon_buf + + curr_bss->wpa_offset); + + if (curr_bss->bcn_rsn_ie) + curr_bss->bcn_rsn_ie = + (struct element *)(curr_bss->beacon_buf + + curr_bss->rsn_offset); + + if (curr_bss->bcn_ht_cap) + curr_bss->bcn_ht_cap = (struct ieee80211_ht_cap *) + (curr_bss->beacon_buf + + curr_bss->ht_cap_offset); + + if (curr_bss->bcn_ht_oper) + curr_bss->bcn_ht_oper = (struct ieee80211_ht_operation *) + (curr_bss->beacon_buf + + curr_bss->ht_info_offset); + + if (curr_bss->bcn_vht_cap) + curr_bss->bcn_vht_cap = (void *)(curr_bss->beacon_buf + + curr_bss->vht_cap_offset); + + if (curr_bss->bcn_vht_oper) + curr_bss->bcn_vht_oper = (void *)(curr_bss->beacon_buf + + curr_bss->vht_info_offset); + + if (curr_bss->bcn_he_cap) + curr_bss->bcn_he_cap = (void *)(curr_bss->beacon_buf + + curr_bss->he_cap_offset); + + if (curr_bss->bcn_he_oper) + curr_bss->bcn_he_oper = (void *)(curr_bss->beacon_buf + + curr_bss->he_info_offset); + + if (curr_bss->bcn_bss_co_2040) + curr_bss->bcn_bss_co_2040 = + (curr_bss->beacon_buf + curr_bss->bss_co_2040_offset); + + if (curr_bss->bcn_ext_cap) + curr_bss->bcn_ext_cap = curr_bss->beacon_buf + + curr_bss->ext_cap_offset; + + if (curr_bss->oper_mode) + curr_bss->oper_mode = (void *)(curr_bss->beacon_buf + + curr_bss->oper_mode_offset); +} + +/* Free the beacon buffer in the current BSS descriptor. */ +void +nxpwifi_free_curr_bcn(struct nxpwifi_private *priv) +{ + kfree(priv->curr_bcn_buf); + priv->curr_bcn_buf = NULL; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/sdio.c b/drivers/net/wireless/nxp/nxpwifi/sdio.c new file mode 100644 index 000000000000..d8536354f093 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/sdio.c @@ -0,0 +1,2327 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: SDIO specific handling + * + * Copyright 2011-2024 NXP + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "wmm.h" +#include "11n.h" +#include "sdio.h" + +#define SDIO_VERSION "1.0" + +/* Process deferred SDIO work items. */ +static void nxpwifi_sdio_work(struct work_struct *work); + +static struct nxpwifi_if_ops sdio_ops; + +static const struct nxpwifi_sdio_card_reg nxpwifi_reg_iw61x = { + .start_rd_port = 0, + .start_wr_port = 0, + .base_0_reg = 0xF8, + .base_1_reg = 0xF9, + .poll_reg = 0x5C, + .host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK | + CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK, + .host_int_rsr_reg = 0x4, + .host_int_status_reg = 0x0C, + .host_int_mask_reg = 0x08, + .host_strap_reg = 0xF4, + .host_strap_mask = 0x01, + .host_strap_value = 0x00, + .status_reg_0 = 0xE8, + .status_reg_1 = 0xE9, + .sdio_int_mask = 0xff, + .data_port_mask = 0xffffffff, + .io_port_0_reg = 0xE4, + .io_port_1_reg = 0xE5, + .io_port_2_reg = 0xE6, + .max_mp_regs = 196, + .rd_bitmap_l = 0x10, + .rd_bitmap_u = 0x11, + .rd_bitmap_1l = 0x12, + .rd_bitmap_1u = 0x13, + .wr_bitmap_l = 0x14, + .wr_bitmap_u = 0x15, + .wr_bitmap_1l = 0x16, + .wr_bitmap_1u = 0x17, + .rd_len_p0_l = 0x18, + .rd_len_p0_u = 0x19, + .card_misc_cfg_reg = 0xd8, + .card_cfg_2_1_reg = 0xd9, + .cmd_rd_len_0 = 0xc0, + .cmd_rd_len_1 = 0xc1, + .cmd_rd_len_2 = 0xc2, + .cmd_rd_len_3 = 0xc3, + .cmd_cfg_0 = 0xc4, + .cmd_cfg_1 = 0xc5, + .cmd_cfg_2 = 0xc6, + .cmd_cfg_3 = 0xc7, + .fw_dump_host_ready = 0xcc, + .fw_dump_ctrl = 0xf9, + .fw_dump_start = 0xf1, + .fw_dump_end = 0xf8, + .func1_dump_reg_start = 0x10, + .func1_dump_reg_end = 0x17, + .func1_scratch_reg = 0xE8, + .func1_spec_reg_num = 13, + .func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D, 0x60, + 0x61, 0x62, 0x64, 0x65, 0x66, + 0x68, 0x69, 0x6a}, +}; + +static const struct nxpwifi_sdio_device nxpwifi_sdio_iw61x = { + .firmware = IW61X_SDIO_FW_NAME, + .reg = &nxpwifi_reg_iw61x, + .max_ports = 32, + .mp_agg_pkt_limit = 16, + .tx_buf_size = NXPWIFI_TX_DATA_BUF_SIZE_4K, + .mp_tx_agg_buf_size = NXPWIFI_MP_AGGR_BSIZE_MAX, + .mp_rx_agg_buf_size = NXPWIFI_MP_AGGR_BSIZE_MAX, + .can_dump_fw = true, + .fw_dump_enh = true, + .can_ext_scan = true, +}; + +static struct memory_type_mapping generic_mem_type_map[] = { + {"DUMP", NULL, 0, 0xDD}, +}; + +static struct memory_type_mapping mem_type_mapping_tbl[] = { + {"ITCM", NULL, 0, 0xF0}, + {"DTCM", NULL, 0, 0xF1}, + {"SQRAM", NULL, 0, 0xF2}, + {"APU", NULL, 0, 0xF3}, + {"CIU", NULL, 0, 0xF4}, + {"ICU", NULL, 0, 0xF5}, + {"MAC", NULL, 0, 0xF6}, + {"EXT7", NULL, 0, 0xF7}, + {"EXT8", NULL, 0, 0xF8}, + {"EXT9", NULL, 0, 0xF9}, + {"EXT10", NULL, 0, 0xFA}, + {"EXT11", NULL, 0, 0xFB}, + {"EXT12", NULL, 0, 0xFC}, + {"EXT13", NULL, 0, 0xFD}, + {"EXTLAST", NULL, 0, 0xFE}, +}; + +/* Bind the SDIO function and start device registration. */ +static int +nxpwifi_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) +{ + int ret; + struct sdio_mmc_card *card = NULL; + + card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); + if (!card) + return -ENOMEM; + + init_completion(&card->fw_done); + + card->func = func; + + if (id->driver_data) { + struct nxpwifi_sdio_device *data = (void *)id->driver_data; + + card->firmware = data->firmware; + card->firmware_sdiouart = data->firmware_sdiouart; + card->reg = data->reg; + card->max_ports = data->max_ports; + card->mp_agg_pkt_limit = data->mp_agg_pkt_limit; + card->tx_buf_size = data->tx_buf_size; + card->mp_tx_agg_buf_size = data->mp_tx_agg_buf_size; + card->mp_rx_agg_buf_size = data->mp_rx_agg_buf_size; + card->can_dump_fw = data->can_dump_fw; + card->fw_dump_enh = data->fw_dump_enh; + card->can_ext_scan = data->can_ext_scan; + INIT_WORK(&card->work, nxpwifi_sdio_work); + } + + sdio_claim_host(func); + ret = sdio_enable_func(func); + sdio_release_host(func); + + if (ret) { + dev_err(&func->dev, "failed to enable function\n"); + return ret; + } + + ret = nxpwifi_add_card(card, &card->fw_done, &sdio_ops, + NXPWIFI_SDIO, &func->dev); + if (ret) { + dev_err(&func->dev, "add card failed\n"); + goto err_disable; + } + + return 0; + +err_disable: + sdio_claim_host(func); + sdio_disable_func(func); + sdio_release_host(func); + + return ret; +} + +/* Resume the SDIO function and cancel host sleep. */ +static int nxpwifi_sdio_resume(struct device *dev) +{ + struct sdio_func *func = dev_to_sdio_func(dev); + struct sdio_mmc_card *card; + struct nxpwifi_adapter *adapter; + + card = sdio_get_drvdata(func); + + if (unlikely(!card || !card->adapter)) { + dev_dbg(dev, "resume: %s not ready\n", !card ? "card" : "adapter"); + return -ENODEV; + } + + adapter = card->adapter; + + if (!test_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags)) + return 0; + + clear_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags); + + /* Disable Host Sleep */ + nxpwifi_cancel_hs(nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA), + NXPWIFI_SYNC_CMD); + + return 0; +} + +static int +nxpwifi_write_reg_locked(struct sdio_func *func, u32 reg, u8 data) +{ + int ret; + + sdio_writeb(func, data, reg, &ret); + return ret; +} + +static int +nxpwifi_write_reg(struct nxpwifi_adapter *adapter, u32 reg, u8 data) +{ + struct sdio_mmc_card *card = adapter->card; + int ret; + + sdio_claim_host(card->func); + ret = nxpwifi_write_reg_locked(card->func, reg, data); + sdio_release_host(card->func); + + return ret; +} + +static int +nxpwifi_read_reg(struct nxpwifi_adapter *adapter, u32 reg, u8 *data) +{ + struct sdio_mmc_card *card = adapter->card; + int ret; + u8 val; + + sdio_claim_host(card->func); + val = sdio_readb(card->func, reg, &ret); + sdio_release_host(card->func); + + *data = val; + + return ret; +} + +static int +nxpwifi_write_data_sync(struct nxpwifi_adapter *adapter, + u8 *buffer, u32 pkt_len, u32 port) +{ + struct sdio_mmc_card *card = adapter->card; + int ret; + u8 blk_mode = + (port & NXPWIFI_SDIO_BYTE_MODE_MASK) ? BYTE_MODE : BLOCK_MODE; + u32 blk_size = (blk_mode == BLOCK_MODE) ? NXPWIFI_SDIO_BLOCK_SIZE : 1; + u32 blk_cnt = + (blk_mode == + BLOCK_MODE) ? (pkt_len / + NXPWIFI_SDIO_BLOCK_SIZE) : pkt_len; + u32 ioport = (port & NXPWIFI_SDIO_IO_PORT_MASK); + + if (test_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags)) { + nxpwifi_dbg(adapter, ERROR, + "%s: not allowed while suspended\n", __func__); + return -EPERM; + } + + sdio_claim_host(card->func); + + ret = sdio_writesb(card->func, ioport, buffer, blk_cnt * blk_size); + + sdio_release_host(card->func); + + return ret; +} + +static int nxpwifi_read_data_sync(struct nxpwifi_adapter *adapter, u8 *buffer, + u32 len, u32 port, u8 claim) +{ + struct sdio_mmc_card *card = adapter->card; + int ret; + u8 blk_mode = (port & NXPWIFI_SDIO_BYTE_MODE_MASK) ? BYTE_MODE + : BLOCK_MODE; + u32 blk_size = (blk_mode == BLOCK_MODE) ? NXPWIFI_SDIO_BLOCK_SIZE : 1; + u32 blk_cnt = (blk_mode == BLOCK_MODE) ? (len / NXPWIFI_SDIO_BLOCK_SIZE) + : len; + u32 ioport = (port & NXPWIFI_SDIO_IO_PORT_MASK); + + if (claim) + sdio_claim_host(card->func); + + ret = sdio_readsb(card->func, buffer, ioport, blk_cnt * blk_size); + + if (claim) + sdio_release_host(card->func); + + return ret; +} + +static int +nxpwifi_sdio_read_fw_status(struct nxpwifi_adapter *adapter, u16 *dat) +{ + struct sdio_mmc_card *card = adapter->card; + const struct nxpwifi_sdio_card_reg *reg = card->reg; + u8 fws0, fws1; + int ret; + + ret = nxpwifi_read_reg(adapter, reg->status_reg_0, &fws0); + if (ret) + return ret; + + ret = nxpwifi_read_reg(adapter, reg->status_reg_1, &fws1); + if (ret) + return ret; + + *dat = (u16)((fws1 << 8) | fws0); + return ret; +} + +static int nxpwifi_check_fw_status(struct nxpwifi_adapter *adapter, + u32 poll_num) +{ + int ret = 0; + u16 firmware_stat = 0; + + unsigned int timeout_us = poll_num * 100000; /* 100 ms * poll_num */ + /* + * Poll every 100 ms until firmware reports FIRMWARE_READY_SDIO. + * On timeout, read_poll_timeout() returns -ETIMEDOUT. + */ + ret = read_poll_timeout(nxpwifi_sdio_read_fw_status, ret, + (!ret && firmware_stat == FIRMWARE_READY_SDIO), + 100000, timeout_us, true, /* sleep */ + adapter, &firmware_stat); + + /* FW may appear ready; wait a bit to avoid early races. */ + if (firmware_stat == FIRMWARE_READY_SDIO) + msleep(100); + + return ret; +} + +static int nxpwifi_check_winner_status(struct nxpwifi_adapter *adapter) +{ + int ret; + u8 winner = 0; + struct sdio_mmc_card *card = adapter->card; + + ret = nxpwifi_read_reg(adapter, card->reg->status_reg_0, &winner); + if (ret) + return ret; + + if (winner) + adapter->winner = 0; + else + adapter->winner = 1; + + return ret; +} + +/* Remove the SDIO function and tear down the adapter. */ +static void +nxpwifi_sdio_remove(struct sdio_func *func) +{ + struct sdio_mmc_card *card; + struct nxpwifi_adapter *adapter; + struct nxpwifi_private *priv; + int ret = 0; + u16 firmware_stat; + + card = sdio_get_drvdata(func); + if (!card) + return; + + wait_for_completion(&card->fw_done); + + adapter = card->adapter; + if (!adapter || !adapter->priv_num) + return; + + ret = nxpwifi_sdio_read_fw_status(adapter, &firmware_stat); + if (!ret && firmware_stat == FIRMWARE_READY_SDIO) { + nxpwifi_deauthenticate_all(adapter); + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + nxpwifi_disable_auto_ds(priv); + nxpwifi_init_shutdown_fw(priv, NXPWIFI_FUNC_SHUTDOWN); + } + + nxpwifi_remove_card(adapter); +} + +/* Suspend the SDIO function while keeping SDIO power. */ +static int nxpwifi_sdio_suspend(struct device *dev) +{ + struct sdio_func *func = dev_to_sdio_func(dev); + struct sdio_mmc_card *card; + struct nxpwifi_adapter *adapter; + mmc_pm_flag_t caps; + unsigned long flags = 0; + int ret = 0; + + caps = sdio_get_host_pm_caps(func); + + if (!(caps & MMC_PM_KEEP_POWER)) { + /* host lacks keep-power capability */ + dev_warn(dev, "suspend: host does not support MMC_PM_KEEP_POWER\n"); + return -EOPNOTSUPP; + } + + card = sdio_get_drvdata(func); + + if (!card) { + dev_warn(dev, "suspend: card not ready\n"); + return -ENODEV; + } + + /* Might still be loading firmware */ + wait_for_completion(&card->fw_done); + + adapter = card->adapter; + if (!adapter) { + dev_warn(dev, "suspend: adapter not ready\n"); + return -ENODEV; + } + + /* Enable the Host Sleep */ + if (!nxpwifi_enable_hs(adapter)) { + nxpwifi_dbg(adapter, ERROR, "suspend: enable host sleep failed\n"); + clear_bit(NXPWIFI_IS_HS_ENABLING, &adapter->work_flags); + return -ETIMEDOUT; + } + + flags |= MMC_PM_KEEP_POWER; + + if (adapter->wowlan_enabled && (caps & MMC_PM_WAKE_SDIO_IRQ)) + flags |= MMC_PM_WAKE_SDIO_IRQ; + + ret = sdio_set_host_pm_flags(func, flags); + + /* Indicate device suspended */ + set_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags); + clear_bit(NXPWIFI_IS_HS_ENABLING, &adapter->work_flags); + + return ret; +} + +static void nxpwifi_sdio_coredump(struct device *dev) +{ + struct sdio_func *func = dev_to_sdio_func(dev); + struct sdio_mmc_card *card; + + card = sdio_get_drvdata(func); + if (!test_and_set_bit(NXPWIFI_IFACE_WORK_DEVICE_DUMP, + &card->work_flags)) + nxpwifi_queue_work(card->adapter, &card->work); +} + +/* WLAN IDs */ +static const struct sdio_device_id nxpwifi_ids[] = { + {SDIO_DEVICE(SDIO_VENDOR_ID_NXP, SDIO_DEVICE_ID_NXP_IW61X), + .driver_data = (unsigned long)&nxpwifi_sdio_iw61x}, + {}, +}; + +MODULE_DEVICE_TABLE(sdio, nxpwifi_ids); + +static const struct dev_pm_ops nxpwifi_sdio_pm_ops = { + .suspend = nxpwifi_sdio_suspend, + .resume = nxpwifi_sdio_resume, +}; + +static struct sdio_driver nxpwifi_sdio = { + .name = "nxpwifi_sdio", + .id_table = nxpwifi_ids, + .probe = nxpwifi_sdio_probe, + .remove = nxpwifi_sdio_remove, + .drv = { + .coredump = nxpwifi_sdio_coredump, + .pm = &nxpwifi_sdio_pm_ops, + } +}; + +static int nxpwifi_pm_wakeup_card(struct nxpwifi_adapter *adapter) +{ + nxpwifi_dbg(adapter, EVENT, "event: wakeup device...\n"); + + return nxpwifi_write_reg(adapter, CONFIGURATION_REG, HOST_POWER_UP); +} + +static int nxpwifi_pm_wakeup_card_complete(struct nxpwifi_adapter *adapter) +{ + nxpwifi_dbg(adapter, EVENT, "cmd: wakeup device completed\n"); + + return nxpwifi_write_reg(adapter, CONFIGURATION_REG, 0); +} + +/* SDIO wrapper for firmware download (claims host). */ +static int nxpwifi_sdio_dnld_fw(struct nxpwifi_adapter *adapter, + struct nxpwifi_fw_image *fw) +{ + struct sdio_mmc_card *card = adapter->card; + int ret; + + sdio_claim_host(card->func); + ret = nxpwifi_dnld_fw(adapter, fw); + sdio_release_host(card->func); + + return ret; +} + +static int nxpwifi_init_sdio_new_mode(struct nxpwifi_adapter *adapter) +{ + u8 reg; + struct sdio_mmc_card *card = adapter->card; + int ret; + + adapter->ioport = MEM_PORT; + + /* enable sdio new mode */ + ret = nxpwifi_read_reg(adapter, card->reg->card_cfg_2_1_reg, ®); + if (ret) + return ret; + ret = nxpwifi_write_reg(adapter, card->reg->card_cfg_2_1_reg, + reg | CMD53_NEW_MODE); + if (ret) + return ret; + + /* Configure cmd port and enable reading rx length from the register */ + ret = nxpwifi_read_reg(adapter, card->reg->cmd_cfg_0, ®); + if (ret) + return ret; + ret = nxpwifi_write_reg(adapter, card->reg->cmd_cfg_0, + reg | CMD_PORT_RD_LEN_EN); + if (ret) + return ret; + + /* + * Enable Dnld/Upld ready auto reset for cmd port after cmd53 is + * completed + */ + ret = nxpwifi_read_reg(adapter, card->reg->cmd_cfg_1, ®); + if (ret) + return ret; + ret = nxpwifi_write_reg(adapter, card->reg->cmd_cfg_1, + reg | CMD_PORT_AUTO_EN); + + return ret; +} + +/* Initialize SDIO IO ports and host-int behavior. */ +static int nxpwifi_init_sdio_ioport(struct nxpwifi_adapter *adapter) +{ + u8 reg; + struct sdio_mmc_card *card = adapter->card; + int ret; + + ret = nxpwifi_init_sdio_new_mode(adapter); + if (ret) + return ret; + + /* Set Host interrupt reset to read to clear */ + ret = nxpwifi_read_reg(adapter, card->reg->host_int_rsr_reg, ®); + if (ret) + return ret; + ret = nxpwifi_write_reg(adapter, card->reg->host_int_rsr_reg, + reg | card->reg->sdio_int_mask); + if (ret) + return ret; + + /* Dnld/Upld ready set to auto reset */ + ret = nxpwifi_read_reg(adapter, card->reg->card_misc_cfg_reg, ®); + if (ret) + return ret; + ret = nxpwifi_write_reg(adapter, card->reg->card_misc_cfg_reg, + reg | AUTO_RE_ENABLE_INT); + + return ret; +} + +static int nxpwifi_write_data_to_card(struct nxpwifi_adapter *adapter, + u8 *payload, u32 pkt_len, u32 port) +{ + u32 i = 0; + int ret; + + do { + ret = nxpwifi_write_data_sync(adapter, payload, pkt_len, port); + if (ret) { + i++; + nxpwifi_dbg(adapter, ERROR, "host_to_card, write iomem\t" + "(%d) failed: %d\n", i, ret); + if (nxpwifi_write_reg(adapter, CONFIGURATION_REG, 0x04)) + nxpwifi_dbg(adapter, ERROR, "write CFG reg failed\n"); + + if (i > MAX_WRITE_IOMEM_RETRY) + return ret; + } + } while (ret); + + return ret; +} + +static int nxpwifi_get_rd_port(struct nxpwifi_adapter *adapter, u8 *port) +{ + struct sdio_mmc_card *card = adapter->card; + const struct nxpwifi_sdio_card_reg *reg = card->reg; + u32 rd_bitmap = card->mp_rd_bitmap; + + if (!(rd_bitmap & reg->data_port_mask)) + return -EINVAL; + + if (!(card->mp_rd_bitmap & (1 << card->curr_rd_port))) + return -EINVAL; + + /* We are now handling the SDIO data ports */ + card->mp_rd_bitmap &= (u32)(~(1 << card->curr_rd_port)); + *port = card->curr_rd_port; + + if (++card->curr_rd_port == card->max_ports) + card->curr_rd_port = reg->start_rd_port; + + return 0; +} + +static int nxpwifi_get_wr_port_data(struct nxpwifi_adapter *adapter, u32 *port) +{ + struct sdio_mmc_card *card = adapter->card; + const struct nxpwifi_sdio_card_reg *reg = card->reg; + u32 wr_bitmap = card->mp_wr_bitmap; + + if (!(wr_bitmap & card->mp_data_port_mask)) { + adapter->data_sent = true; + return -EBUSY; + } + + if (card->mp_wr_bitmap & (1 << card->curr_wr_port)) { + card->mp_wr_bitmap &= (u32)(~(1 << card->curr_wr_port)); + *port = card->curr_wr_port; + if (++card->curr_wr_port == card->mp_end_port) + card->curr_wr_port = reg->start_wr_port; + } else { + adapter->data_sent = true; + return -EBUSY; + } + + return 0; +} + +static int +nxpwifi_sdio_poll_card_status(struct nxpwifi_adapter *adapter, u8 bits) +{ + struct sdio_mmc_card *card = adapter->card; + u32 tries; + u8 cs; + int ret; + + for (tries = 0; tries < MAX_POLL_TRIES; tries++) { + ret = nxpwifi_read_reg(adapter, card->reg->poll_reg, &cs); + if (ret) + break; + else if ((cs & bits) == bits) + return 0; + + usleep_range(10, 20); + } + + nxpwifi_dbg(adapter, ERROR, "poll card status failed, tries = %d\n", tries); + + return ret; +} + +/* Disable SDIO host interrupt and release IRQ. */ +static void nxpwifi_sdio_disable_host_int(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + struct sdio_func *func = card->func; + + sdio_claim_host(func); + nxpwifi_write_reg_locked(func, card->reg->host_int_mask_reg, 0); + sdio_release_irq(func); + sdio_release_host(func); +} + +static void nxpwifi_interrupt_status(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + u8 sdio_ireg; + unsigned long flags; + + if (nxpwifi_read_data_sync(adapter, card->mp_regs, + card->reg->max_mp_regs, + REG_PORT | NXPWIFI_SDIO_BYTE_MODE_MASK, 0)) { + nxpwifi_dbg(adapter, ERROR, "read mp_regs failed\n"); + return; + } + + sdio_ireg = card->mp_regs[card->reg->host_int_status_reg]; + if (sdio_ireg) { + nxpwifi_dbg(adapter, INTR, "intr: sdio_ireg = %#x\n", sdio_ireg); + spin_lock_irqsave(&adapter->int_lock, flags); + adapter->int_status |= sdio_ireg; + spin_unlock_irqrestore(&adapter->int_lock, flags); + } +} + +/* SDIO IRQ handler: snapshot status and schedule main work. */ +static void +nxpwifi_sdio_interrupt(struct sdio_func *func) +{ + struct nxpwifi_adapter *adapter; + struct sdio_mmc_card *card; + + card = sdio_get_drvdata(func); + + if (!card || !card->adapter) { + /* device-scoped error logging (rate-limited to avoid flood) */ + dev_err_ratelimited(&func->dev, "interrupt: missing card/adapter\n"); + return; + } + + adapter = card->adapter; + + if (!adapter->pps_uapsd_mode && adapter->ps_state == PS_STATE_SLEEP) + adapter->ps_state = PS_STATE_AWAKE; + + nxpwifi_interrupt_status(adapter); + nxpwifi_queue_work(adapter, &adapter->main_work); +} + +/* Enable SDIO host interrupt and claim IRQ. */ +static int nxpwifi_sdio_enable_host_int(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + struct sdio_func *func = card->func; + int ret; + + sdio_claim_host(func); + + /* Request the SDIO IRQ */ + ret = sdio_claim_irq(func, nxpwifi_sdio_interrupt); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "claim irq failed: ret=%d\n", ret); + goto done; + } + + /* Simply write the mask to the register */ + ret = nxpwifi_write_reg_locked(func, card->reg->host_int_mask_reg, + card->reg->host_int_enable); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "enable host interrupt failed\n"); + sdio_release_irq(func); + } + +done: + sdio_release_host(func); + return ret; +} + +static int nxpwifi_sdio_card_to_host(struct nxpwifi_adapter *adapter, + u32 *type, u8 *buffer, + u32 npayload, u32 ioport) +{ + int ret; + u32 nb; + + if (!buffer) + return -EINVAL; + + ret = nxpwifi_read_data_sync(adapter, buffer, npayload, ioport, 1); + + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "read iomem failed (ioport=%#x, len=%u): %d", + ioport, npayload, ret); + + return ret; + } + + nb = get_unaligned_le16((buffer)); + if (nb > npayload) { + nxpwifi_dbg(adapter, ERROR, + "invalid packet len: nb=%u > npayload=%u (ioport=%#x)", + nb, npayload, ioport); + return -EINVAL; + } + + *type = get_unaligned_le16((buffer + 2)); + + return ret; +} + +/* Download firmware using the helper protocol. */ +static int nxpwifi_prog_fw_w_helper(struct nxpwifi_adapter *adapter, + struct nxpwifi_fw_image *fw) +{ + struct sdio_mmc_card *card = adapter->card; + const struct nxpwifi_sdio_card_reg *reg = card->reg; + int ret; + u8 *firmware = fw->fw_buf; + u32 firmware_len = fw->fw_len; + u32 offset = 0; + u8 base0, base1; + u8 *fwbuf; + u16 len = 0; + u32 txlen, tx_blocks = 0, tries; + u32 i = 0; + + if (!firmware_len) { + nxpwifi_dbg(adapter, ERROR, + "firmware image not found! Terminating download\n"); + return -EINVAL; + } + + /* Assume that the allocated buffer is 8-byte aligned */ + fwbuf = kzalloc(NXPWIFI_UPLD_SIZE, GFP_KERNEL); + if (!fwbuf) + return -ENOMEM; + + sdio_claim_host(card->func); + + /* Perform firmware data transfer */ + do { + /* + * The host polls for the DN_LD_CARD_RDY and CARD_IO_READY + * bits + */ + ret = nxpwifi_sdio_poll_card_status(adapter, CARD_IO_READY | + DN_LD_CARD_RDY); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "FW download with helper:\t" + "poll status timeout @ %d\n", offset); + goto done; + } + + /* More data? */ + if (offset >= firmware_len) + break; + + for (tries = 0; tries < MAX_POLL_TRIES; tries++) { + ret = nxpwifi_read_reg(adapter, reg->base_0_reg, + &base0); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "dev BASE0 register read failed:\t" + "base0=%#04X(%d). Terminating dnld\n", + base0, base0); + goto done; + } + ret = nxpwifi_read_reg(adapter, reg->base_1_reg, + &base1); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "dev BASE1 register read failed:\t" + "base1=%#04X(%d). Terminating dnld\n", + base1, base1); + goto done; + } + len = (u16)(((base1 & 0xff) << 8) | (base0 & 0xff)); + + if (len) + break; + + usleep_range(10, 20); + } + + if (!len) { + break; + } else if (len > NXPWIFI_UPLD_SIZE) { + nxpwifi_dbg(adapter, ERROR, + "FW dnld failed @ %d, invalid length %d\n", + offset, len); + ret = -EINVAL; + goto done; + } + + txlen = len; + + if (len & BIT(0)) { + i++; + if (i > MAX_WRITE_IOMEM_RETRY) { + nxpwifi_dbg(adapter, ERROR, + "FW dnld failed @ %d, over max retry\n", + offset); + ret = -EIO; + goto done; + } + nxpwifi_dbg(adapter, ERROR, + "CRC indicated by the helper:\t" + "len = 0x%04X, txlen = %d\n", len, txlen); + len &= ~BIT(0); + /* Setting this to 0 to resend from same offset */ + txlen = 0; + } else { + i = 0; + + /* + * Set blocksize to transfer - checking for last + * block + */ + if (firmware_len - offset < txlen) + txlen = firmware_len - offset; + + tx_blocks = (txlen + NXPWIFI_SDIO_BLOCK_SIZE - 1) + / NXPWIFI_SDIO_BLOCK_SIZE; + + /* Copy payload to buffer */ + memcpy(fwbuf, &firmware[offset], txlen); + } + + ret = nxpwifi_write_data_sync(adapter, fwbuf, tx_blocks * + NXPWIFI_SDIO_BLOCK_SIZE, + adapter->ioport); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "FW download, write iomem (%d) failed @ %d\n", + i, offset); + if (nxpwifi_write_reg(adapter, CONFIGURATION_REG, 0x04)) + nxpwifi_dbg(adapter, ERROR, "write CFG reg failed\n"); + + goto done; + } + + offset += txlen; + } while (true); + + nxpwifi_dbg(adapter, MSG, "FW download complete (%u bytes)\n", offset); + + ret = 0; +done: + sdio_release_host(card->func); + kfree(fwbuf); + return ret; +} + +/* Deaggregate an SDIO RX aggregation packet. */ +static void nxpwifi_deaggr_sdio_pkt(struct nxpwifi_adapter *adapter, + struct sk_buff *skb) +{ + u32 total_pkt_len, pkt_len; + struct sk_buff *skb_deaggr; + u16 blk_size; + u8 blk_num; + u8 *data; + + data = skb->data; + total_pkt_len = skb->len; + + while (total_pkt_len >= (SDIO_HEADER_OFFSET + adapter->intf_hdr_len)) { + if (total_pkt_len < adapter->sdio_rx_block_size) + break; + blk_num = *(data + BLOCK_NUMBER_OFFSET); + blk_size = adapter->sdio_rx_block_size * blk_num; + if (blk_size > total_pkt_len) { + nxpwifi_dbg(adapter, ERROR, + "%s: error in blk_size,\t" + "blk_num=%d, blk_size=%d, total_pkt_len=%d\n", + __func__, blk_num, blk_size, total_pkt_len); + break; + } + pkt_len = get_unaligned_le16((data + + SDIO_HEADER_OFFSET)); + if ((pkt_len + SDIO_HEADER_OFFSET) > blk_size) { + nxpwifi_dbg(adapter, ERROR, + "%s: error in pkt_len,\t" + "pkt_len=%d, blk_size=%d\n", + __func__, pkt_len, blk_size); + break; + } + + skb_deaggr = nxpwifi_alloc_dma_align_buf(pkt_len, GFP_KERNEL); + if (!skb_deaggr) + break; + skb_put(skb_deaggr, pkt_len); + memcpy(skb_deaggr->data, data + SDIO_HEADER_OFFSET, pkt_len); + skb_pull(skb_deaggr, adapter->intf_hdr_len); + + nxpwifi_handle_rx_packet(adapter, skb_deaggr); + data += blk_size; + total_pkt_len -= blk_size; + } +} + +static void nxpwifi_decode_rx_packet(struct nxpwifi_adapter *adapter, + struct sk_buff *skb, u32 upld_typ) +{ + u8 *cmd_buf; + u16 pkt_len; + struct nxpwifi_rxinfo *rx_info; + + pkt_len = get_unaligned_le16(skb->data); + + if (upld_typ != NXPWIFI_TYPE_AGGR_DATA) { + skb_trim(skb, pkt_len); + skb_pull(skb, adapter->intf_hdr_len); + } + + switch (upld_typ) { + case NXPWIFI_TYPE_AGGR_DATA: + nxpwifi_dbg(adapter, DATA, + "Rx Aggr Data packet\n"); + rx_info = NXPWIFI_SKB_RXCB(skb); + rx_info->buf_type = NXPWIFI_TYPE_AGGR_DATA; + if (adapter->rx_work_enabled) { + skb_queue_tail(&adapter->rx_data_q, skb); + atomic_inc(&adapter->rx_pending); + adapter->data_received = true; + } else { + /* Deaggregate an SDIO RX aggregation packet. */ + nxpwifi_deaggr_sdio_pkt(adapter, skb); + dev_kfree_skb_any(skb); + } + break; + + case NXPWIFI_TYPE_DATA: + nxpwifi_dbg(adapter, DATA, "Rx Data packet\n"); + if (adapter->rx_work_enabled) { + skb_queue_tail(&adapter->rx_data_q, skb); + adapter->data_received = true; + atomic_inc(&adapter->rx_pending); + } else { + nxpwifi_handle_rx_packet(adapter, skb); + } + break; + + case NXPWIFI_TYPE_CMD: + nxpwifi_dbg(adapter, CMD, "Rx Cmd Response\n"); + /* take care of curr_cmd = NULL case */ + if (!adapter->curr_cmd) { + cmd_buf = adapter->upld_buf; + + if (adapter->ps_state == PS_STATE_SLEEP_CFM) + nxpwifi_process_sleep_confirm_resp(adapter, + skb->data, + skb->len); + + memcpy(cmd_buf, skb->data, + min_t(u32, NXPWIFI_SIZE_OF_CMD_BUFFER, + skb->len)); + + dev_kfree_skb_any(skb); + } else { + adapter->cmd_resp_received = true; + adapter->curr_cmd->resp_skb = skb; + } + break; + + case NXPWIFI_TYPE_EVENT: + nxpwifi_dbg(adapter, EVENT, "Rx Event\n"); + adapter->event_cause = get_unaligned_le32(skb->data); + + if (skb->len > NXPWIFI_EVENT_HEADER_LEN) { + u32 body_len = min_t(u32, skb->len - NXPWIFI_EVENT_HEADER_LEN, + MAX_EVENT_SIZE); + memcpy(adapter->event_body, skb->data + NXPWIFI_EVENT_HEADER_LEN, + body_len); + } + + /* event cause has been saved to adapter->event_cause */ + adapter->event_received = true; + adapter->event_skb = skb; + + break; + + default: + nxpwifi_dbg(adapter, ERROR, "unknown upload type %#x\n", upld_typ); + dev_kfree_skb_any(skb); + break; + } +} + +/* Receive path with SDIO multi-port aggregation. */ +static int nxpwifi_sdio_card_to_host_mp_aggr(struct nxpwifi_adapter *adapter, + u16 rx_len, u8 port) +{ + struct sdio_mmc_card *card = adapter->card; + s32 f_do_rx_aggr = 0; + s32 f_do_rx_cur = 0; + s32 f_aggr_cur = 0; + s32 f_post_aggr_cur = 0; + struct sk_buff *skb_deaggr; + struct sk_buff *skb = NULL; + u32 pkt_len, pkt_type, mport, pind; + u8 *curr_ptr; + int ret = 0; + + if (!card->mpa_rx.enabled) { + nxpwifi_dbg(adapter, WARN, "rx aggregation disabled\n"); + f_do_rx_cur = 1; + goto rx_curr_single; + } + + if (card->mp_rd_bitmap & card->reg->data_port_mask) { + /* Some more data RX pending */ + + if (MP_RX_AGGR_IN_PROGRESS(card)) { + if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len)) { + f_aggr_cur = 1; + } else { + /* No room in Aggr buf, do rx aggr now */ + f_do_rx_aggr = 1; + f_post_aggr_cur = 1; + } + } else { + /* Rx aggr not in progress */ + f_aggr_cur = 1; + } + + } else { + /* No more data RX pending */ + + if (MP_RX_AGGR_IN_PROGRESS(card)) { + f_do_rx_aggr = 1; + if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len)) + f_aggr_cur = 1; + else + /* No room in Aggr buf, do rx aggr now */ + f_do_rx_cur = 1; + } else { + f_do_rx_cur = 1; + } + } + + if (f_aggr_cur) { + /* Curr pkt can be aggregated */ + mp_rx_aggr_setup(card, rx_len, port); + + if (MP_RX_AGGR_PKT_LIMIT_REACHED(card) || + mp_rx_aggr_port_limit_reached(card)) { + /* No more pkts allowed in Aggr buf, rx it */ + f_do_rx_aggr = 1; + } + } + + if (f_do_rx_aggr) { + u32 port_count; + int i; + + /* do aggr RX now */ + for (i = 0, port_count = 0; i < card->max_ports; i++) + if (card->mpa_rx.ports & BIT(i)) + port_count++; + + /* + * Reading data from "start_port + 0" to "start_port + + * port_count -1", so decrease the count by 1 + */ + port_count--; + mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | + (port_count << 8)) + card->mpa_rx.start_port; + + if (card->mpa_rx.pkt_cnt == 1) + mport = adapter->ioport + card->mpa_rx.start_port; + + ret = nxpwifi_read_data_sync(adapter, card->mpa_rx.buf, + card->mpa_rx.buf_len, mport, 1); + if (ret) + goto error; + + curr_ptr = card->mpa_rx.buf; + + for (pind = 0; pind < card->mpa_rx.pkt_cnt; pind++) { + u32 *len_arr = card->mpa_rx.len_arr; + + /* get curr PKT len & type */ + pkt_len = get_unaligned_le16(&curr_ptr[0]); + pkt_type = get_unaligned_le16(&curr_ptr[2]); + + /* copy pkt to deaggr buf */ + skb_deaggr = nxpwifi_alloc_dma_align_buf(len_arr[pind], + GFP_KERNEL); + if (!skb_deaggr) { + nxpwifi_dbg(adapter, ERROR, "skb allocation failure\t" + "drop pkt len=%d type=%d\n", + pkt_len, pkt_type); + curr_ptr += len_arr[pind]; + continue; + } + + skb_put(skb_deaggr, len_arr[pind]); + + if ((pkt_type == NXPWIFI_TYPE_DATA || + (pkt_type == NXPWIFI_TYPE_AGGR_DATA && + adapter->sdio_rx_aggr_enable)) && + pkt_len <= len_arr[pind]) { + memcpy(skb_deaggr->data, curr_ptr, pkt_len); + + skb_trim(skb_deaggr, pkt_len); + + nxpwifi_decode_rx_packet(adapter, skb_deaggr, + pkt_type); + } else { + nxpwifi_dbg(adapter, ERROR, + "drop wrong aggr pkt:\t" + "sdio_single_port_rx_aggr=%d\t" + "type=%d len=%d max_len=%d\n", + adapter->sdio_rx_aggr_enable, + pkt_type, pkt_len, len_arr[pind]); + dev_kfree_skb_any(skb_deaggr); + } + curr_ptr += len_arr[pind]; + } + MP_RX_AGGR_BUF_RESET(card); + } + +rx_curr_single: + if (f_do_rx_cur) { + skb = nxpwifi_alloc_dma_align_buf(rx_len, GFP_KERNEL); + if (!skb) { + nxpwifi_dbg(adapter, ERROR, + "single skb allocated fail,\t" + "drop pkt port=%d len=%d\n", port, rx_len); + ret = nxpwifi_sdio_card_to_host(adapter, &pkt_type, + card->mpa_rx.buf, + rx_len, + adapter->ioport + port); + if (ret) + goto error; + return 0; + } + + skb_put(skb, rx_len); + + ret = nxpwifi_sdio_card_to_host(adapter, &pkt_type, + skb->data, skb->len, + adapter->ioport + port); + if (ret) + goto error; + if (!adapter->sdio_rx_aggr_enable && + pkt_type == NXPWIFI_TYPE_AGGR_DATA) { + nxpwifi_dbg(adapter, ERROR, "drop wrong pkt type %d\t" + "current SDIO RX Aggr not enabled\n", + pkt_type); + dev_kfree_skb_any(skb); + return 0; + } + + nxpwifi_decode_rx_packet(adapter, skb, pkt_type); + } + if (f_post_aggr_cur) /* Curr pkt can be aggregated */ + mp_rx_aggr_setup(card, rx_len, port); + + return 0; +error: + if (MP_RX_AGGR_IN_PROGRESS(card)) + MP_RX_AGGR_BUF_RESET(card); + + if (f_do_rx_cur && skb) /* Single transfer pending. Free curr buff also */ + dev_kfree_skb_any(skb); + + return ret; +} + +static int nxpwifi_process_int_status(struct nxpwifi_adapter *adapter, u8 sdio_ireg) +{ + struct sdio_mmc_card *card = adapter->card; + const struct nxpwifi_sdio_card_reg *reg = card->reg; + int ret = 0; + struct sk_buff *skb; + u8 port; + u32 len_reg_l, len_reg_u; + u32 rx_blocks; + u16 rx_len; + u32 bitmap; + u8 cr; + + if (!sdio_ireg) + return ret; + + if (sdio_ireg & DN_LD_CMD_PORT_HOST_INT_STATUS && adapter->cmd_sent) + adapter->cmd_sent = false; + + if (sdio_ireg & UP_LD_CMD_PORT_HOST_INT_STATUS) { + u32 pkt_type; + + /* read the len of control packet */ + rx_len = card->mp_regs[reg->cmd_rd_len_1] << 8; + rx_len |= (u16)card->mp_regs[reg->cmd_rd_len_0]; + rx_blocks = DIV_ROUND_UP(rx_len, NXPWIFI_SDIO_BLOCK_SIZE); + if (rx_len <= adapter->intf_hdr_len || + (rx_blocks * NXPWIFI_SDIO_BLOCK_SIZE) > + NXPWIFI_RX_DATA_BUF_SIZE) + return -EINVAL; + rx_len = (u16)(rx_blocks * NXPWIFI_SDIO_BLOCK_SIZE); + + skb = nxpwifi_alloc_dma_align_buf(rx_len, GFP_KERNEL); + if (!skb) + return -ENOMEM; + + skb_put(skb, rx_len); + + ret = nxpwifi_sdio_card_to_host(adapter, &pkt_type, skb->data, + skb->len, adapter->ioport | + CMD_PORT_SLCT); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "failed to card_to_host"); + dev_kfree_skb_any(skb); + goto term_cmd; + } + + if (pkt_type != NXPWIFI_TYPE_CMD && + pkt_type != NXPWIFI_TYPE_EVENT) + nxpwifi_dbg(adapter, ERROR, "Received wrong packet on cmd port"); + + nxpwifi_decode_rx_packet(adapter, skb, pkt_type); + } + + if (sdio_ireg & DN_LD_HOST_INT_STATUS) { + bitmap = (u32)card->mp_regs[reg->wr_bitmap_l]; + bitmap |= ((u32)card->mp_regs[reg->wr_bitmap_u]) << 8; + bitmap |= ((u32)card->mp_regs[reg->wr_bitmap_1l]) << 16; + bitmap |= ((u32)card->mp_regs[reg->wr_bitmap_1u]) << 24; + card->mp_wr_bitmap = bitmap; + + nxpwifi_dbg(adapter, INTR, "intr: wr_bitmap=0x%x\n", card->mp_wr_bitmap); + if (adapter->data_sent && + (card->mp_wr_bitmap & card->mp_data_port_mask)) { + nxpwifi_dbg(adapter, INTR, "Tx DONE\n"); + adapter->data_sent = false; + } + } + + nxpwifi_dbg(adapter, INTR, "cmd_sent=%d data_sent=%d\n", + adapter->cmd_sent, adapter->data_sent); + if (sdio_ireg & UP_LD_HOST_INT_STATUS) { + bitmap = (u32)card->mp_regs[reg->rd_bitmap_l]; + bitmap |= ((u32)card->mp_regs[reg->rd_bitmap_u]) << 8; + bitmap |= ((u32)card->mp_regs[reg->rd_bitmap_1l]) << 16; + bitmap |= ((u32)card->mp_regs[reg->rd_bitmap_1u]) << 24; + card->mp_rd_bitmap = bitmap; + nxpwifi_dbg(adapter, INTR, "intr: rd_bitmap=0x%x\n", card->mp_rd_bitmap); + + while (true) { + ret = nxpwifi_get_rd_port(adapter, &port); + + if (ret) + break; + + len_reg_l = reg->rd_len_p0_l + (port << 1); + len_reg_u = reg->rd_len_p0_u + (port << 1); + rx_len = ((u16)card->mp_regs[len_reg_u]) << 8; + rx_len |= (u16)card->mp_regs[len_reg_l]; + rx_blocks = + (rx_len + NXPWIFI_SDIO_BLOCK_SIZE - + 1) / NXPWIFI_SDIO_BLOCK_SIZE; + if (rx_len <= adapter->intf_hdr_len || + (card->mpa_rx.enabled && + ((rx_blocks * NXPWIFI_SDIO_BLOCK_SIZE) > + card->mpa_rx.buf_size))) { + nxpwifi_dbg(adapter, ERROR, "invalid rx_len=%d\n", rx_len); + return -EINVAL; + } + + rx_len = (u16)(rx_blocks * NXPWIFI_SDIO_BLOCK_SIZE); + + ret = nxpwifi_sdio_card_to_host_mp_aggr(adapter, rx_len, + port); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "card_to_host_mpa failed: int status=%#x\n", + sdio_ireg); + goto term_cmd; + } + } + } + + return 0; + +term_cmd: + /* terminate cmd */ + if (nxpwifi_read_reg(adapter, CONFIGURATION_REG, &cr)) + nxpwifi_dbg(adapter, ERROR, "read CFG reg failed\n"); + else + nxpwifi_dbg(adapter, INFO, "info: CFG reg val = %d\n", cr); + + if (nxpwifi_write_reg(adapter, CONFIGURATION_REG, (cr | 0x04))) + nxpwifi_dbg(adapter, ERROR, "write CFG reg failed\n"); + else + nxpwifi_dbg(adapter, INFO, "info: write success\n"); + + if (nxpwifi_read_reg(adapter, CONFIGURATION_REG, &cr)) + nxpwifi_dbg(adapter, ERROR, "read CFG reg failed\n"); + else + nxpwifi_dbg(adapter, INFO, "info: CFG reg val =%x\n", cr); + + return ret; +} + +/* Transmit using SDIO multi-port aggregation. */ +static int nxpwifi_host_to_card_mp_aggr(struct nxpwifi_adapter *adapter, + u8 *payload, u32 pkt_len, u32 port, + u32 next_pkt_len) +{ + struct sdio_mmc_card *card = adapter->card; + int ret = 0; + s32 f_send_aggr_buf = 0; + s32 f_send_cur_buf = 0; + s32 f_precopy_cur_buf = 0; + s32 f_postcopy_cur_buf = 0; + u32 mport; + int index; + + if (!card->mpa_tx.enabled || port == CMD_PORT_SLCT) { + nxpwifi_dbg(adapter, WARN, "tx aggregation disabled\n"); + f_send_cur_buf = 1; + goto tx_curr_single; + } + + if (next_pkt_len) { + /* More pkt in TX queue */ + + if (MP_TX_AGGR_IN_PROGRESS(card)) { + if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len)) { + f_precopy_cur_buf = 1; + + if (!(card->mp_wr_bitmap & + (1 << card->curr_wr_port)) || + !MP_TX_AGGR_BUF_HAS_ROOM + (card, pkt_len + next_pkt_len)) + f_send_aggr_buf = 1; + } else { + /* No room in Aggr buf, send it */ + f_send_aggr_buf = 1; + + if (!(card->mp_wr_bitmap & + (1 << card->curr_wr_port))) + f_send_cur_buf = 1; + else + f_postcopy_cur_buf = 1; + } + } else { + if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len) && + (card->mp_wr_bitmap & (1 << card->curr_wr_port))) + f_precopy_cur_buf = 1; + else + f_send_cur_buf = 1; + } + } else { + /* Last pkt in TX queue */ + + if (MP_TX_AGGR_IN_PROGRESS(card)) { + /* some packs in Aggr buf already */ + f_send_aggr_buf = 1; + + if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len)) + f_precopy_cur_buf = 1; + else + /* No room in Aggr buf, send it */ + f_send_cur_buf = 1; + } else { + f_send_cur_buf = 1; + } + } + + if (f_precopy_cur_buf) { + MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port); + + if (MP_TX_AGGR_PKT_LIMIT_REACHED(card) || + mp_tx_aggr_port_limit_reached(card)) + /* No more pkts allowed in Aggr buf, send it */ + f_send_aggr_buf = 1; + } + + if (f_send_aggr_buf) { + u32 port_count; + int i; + + for (i = 0, port_count = 0; i < card->max_ports; i++) + if (card->mpa_tx.ports & BIT(i)) + port_count++; + + /* + * Writing data from "start_port + 0" to "start_port + + * port_count -1", so decrease the count by 1 + */ + port_count--; + mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | + (port_count << 8)) + card->mpa_tx.start_port; + + if (card->mpa_tx.pkt_cnt == 1) + mport = adapter->ioport + card->mpa_tx.start_port; + + ret = nxpwifi_write_data_to_card(adapter, card->mpa_tx.buf, + card->mpa_tx.buf_len, mport); + + /* Save the last multi port tx aggregation info to debug log */ + index = adapter->dbg.last_sdio_mp_index; + index = (index + 1) % NXPWIFI_DBG_SDIO_MP_NUM; + adapter->dbg.last_sdio_mp_index = index; + adapter->dbg.last_mp_wr_ports[index] = mport; + adapter->dbg.last_mp_wr_bitmap[index] = card->mp_wr_bitmap; + adapter->dbg.last_mp_wr_len[index] = card->mpa_tx.buf_len; + adapter->dbg.last_mp_curr_wr_port[index] = card->curr_wr_port; + + MP_TX_AGGR_BUF_RESET(card); + } + +tx_curr_single: + if (f_send_cur_buf) + ret = nxpwifi_write_data_to_card(adapter, payload, pkt_len, + adapter->ioport + port); + + if (f_postcopy_cur_buf) + MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port); + + return ret; +} + +static int nxpwifi_sdio_host_to_card(struct nxpwifi_adapter *adapter, + u8 type, struct sk_buff *skb, + struct nxpwifi_tx_param *tx_param) +{ + struct sdio_mmc_card *card = adapter->card; + int ret; + u32 buf_block_len; + u32 blk_size; + u32 port; + u8 *payload = (u8 *)skb->data; + u32 pkt_len = skb->len; + + /* Allocate buffer and copy payload */ + blk_size = NXPWIFI_SDIO_BLOCK_SIZE; + buf_block_len = (pkt_len + blk_size - 1) / blk_size; + put_unaligned_le16((u16)pkt_len, payload + 0); + put_unaligned_le16((u16)type, payload + 2); + + /* + * This is SDIO specific header + * u16 length, + * u16 type (NXPWIFI_TYPE_DATA = 0, NXPWIFI_TYPE_CMD = 1, + * NXPWIFI_TYPE_EVENT = 3) + */ + if (type == NXPWIFI_TYPE_DATA) { + ret = nxpwifi_get_wr_port_data(adapter, &port); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "no wr_port available\n"); + return ret; + } + } else { + adapter->cmd_sent = true; + + if (pkt_len <= adapter->intf_hdr_len || + pkt_len > NXPWIFI_UPLD_SIZE) { + nxpwifi_dbg(adapter, ERROR, + "invalid upld pkt_len=%u (hdr_len=%u, max=%u)\n", + pkt_len, adapter->intf_hdr_len, NXPWIFI_UPLD_SIZE); + return -EINVAL; + } + + port = CMD_PORT_SLCT; + } + + /* Transfer data to card */ + pkt_len = buf_block_len * blk_size; + + if (tx_param) + ret = nxpwifi_host_to_card_mp_aggr(adapter, payload, pkt_len, + port, tx_param->next_pkt_len + ); + else + ret = nxpwifi_host_to_card_mp_aggr(adapter, payload, pkt_len, + port, 0); + + if (ret) { + if (type == NXPWIFI_TYPE_CMD || + type == NXPWIFI_TYPE_VDLL) + adapter->cmd_sent = false; + if (type == NXPWIFI_TYPE_DATA) { + adapter->data_sent = false; + /* restore curr_wr_port in error cases */ + card->curr_wr_port = port; + card->mp_wr_bitmap |= (u32)(1 << card->curr_wr_port); + } + } else { + if (type == NXPWIFI_TYPE_DATA) { + if (!(card->mp_wr_bitmap & (1 << card->curr_wr_port))) + adapter->data_sent = true; + else + adapter->data_sent = false; + } + } + + return ret; +} + +static int nxpwifi_alloc_sdio_mpa_buffers(struct nxpwifi_adapter *adapter, + u32 mpa_tx_buf_size, + u32 mpa_rx_buf_size) +{ + struct sdio_mmc_card *card = adapter->card; + u32 rx_buf_size; + int ret = 0; + + card->mpa_tx.buf = kzalloc(mpa_tx_buf_size, GFP_KERNEL); + if (!card->mpa_tx.buf) { + ret = -ENOMEM; + goto error; + } + + card->mpa_tx.buf_size = mpa_tx_buf_size; + + rx_buf_size = max_t(u32, mpa_rx_buf_size, + (u32)SDIO_MAX_AGGR_BUF_SIZE); + card->mpa_rx.buf = kzalloc(rx_buf_size, GFP_KERNEL); + if (!card->mpa_rx.buf) { + ret = -ENOMEM; + goto error; + } + + card->mpa_rx.buf_size = rx_buf_size; + +error: + if (ret) { + kfree(card->mpa_tx.buf); + kfree(card->mpa_rx.buf); + card->mpa_tx.buf_size = 0; + card->mpa_rx.buf_size = 0; + card->mpa_tx.buf = NULL; + card->mpa_rx.buf = NULL; + } + + return ret; +} + +static void +nxpwifi_unregister_dev(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + + if (adapter->card) { + card->adapter = NULL; + sdio_claim_host(card->func); + sdio_disable_func(card->func); + sdio_release_host(card->func); + } +} + +static int nxpwifi_register_dev(struct nxpwifi_adapter *adapter) +{ + int ret; + struct sdio_mmc_card *card = adapter->card; + struct sdio_func *func = card->func; + const char *firmware = card->firmware; + + /* save adapter pointer in card */ + card->adapter = adapter; + adapter->tx_buf_size = card->tx_buf_size; + + sdio_claim_host(func); + + /* Set block size */ + ret = sdio_set_block_size(card->func, NXPWIFI_SDIO_BLOCK_SIZE); + sdio_release_host(func); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "cannot set SDIO block size\n"); + return ret; + } + + /* + * Select correct firmware (sdsd or sdiouart) firmware based on the strapping + * option + */ + if (card->firmware_sdiouart) { + u8 val; + + nxpwifi_read_reg(adapter, card->reg->host_strap_reg, &val); + if ((val & card->reg->host_strap_mask) == card->reg->host_strap_value) + firmware = card->firmware_sdiouart; + } + strscpy(adapter->fw_name, firmware, sizeof(adapter->fw_name)); + + if (card->fw_dump_enh) { + adapter->mem_type_mapping_tbl = generic_mem_type_map; + adapter->num_mem_types = 1; + } else { + adapter->mem_type_mapping_tbl = mem_type_mapping_tbl; + adapter->num_mem_types = ARRAY_SIZE(mem_type_mapping_tbl); + } + + return 0; +} + +static int nxpwifi_init_sdio(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + const struct nxpwifi_sdio_card_reg *reg = card->reg; + int ret; + u8 sdio_ireg; + + sdio_set_drvdata(card->func, card); + + /* + * Read the host_int_status_reg for ACK the first interrupt got + * from the bootloader. If we don't do this we get a interrupt + * as soon as we register the irq. + */ + nxpwifi_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg); + + /* Get SDIO ioport */ + if (nxpwifi_init_sdio_ioport(adapter)) + return -EIO; + + /* Initialize SDIO variables in card */ + card->mp_rd_bitmap = 0; + card->mp_wr_bitmap = 0; + card->curr_rd_port = reg->start_rd_port; + card->curr_wr_port = reg->start_wr_port; + + card->mp_data_port_mask = reg->data_port_mask; + + card->mpa_tx.buf_len = 0; + card->mpa_tx.pkt_cnt = 0; + card->mpa_tx.start_port = 0; + + card->mpa_tx.enabled = 1; + card->mpa_tx.pkt_aggr_limit = card->mp_agg_pkt_limit; + + card->mpa_rx.buf_len = 0; + card->mpa_rx.pkt_cnt = 0; + card->mpa_rx.start_port = 0; + + card->mpa_rx.enabled = 1; + card->mpa_rx.pkt_aggr_limit = card->mp_agg_pkt_limit; + + /* Allocate buffers for SDIO MP-A */ + card->mp_regs = devm_kzalloc(&card->func->dev, reg->max_mp_regs, GFP_KERNEL); + + if (!card->mp_regs) + return -ENOMEM; + + card->mpa_rx.len_arr = + devm_kcalloc(&card->func->dev, card->mp_agg_pkt_limit, + sizeof(*card->mpa_rx.len_arr), GFP_KERNEL); + + if (!card->mpa_rx.len_arr) + return -ENOMEM; + + ret = nxpwifi_alloc_sdio_mpa_buffers(adapter, + card->mp_tx_agg_buf_size, + card->mp_rx_agg_buf_size); + + /* Allocate 32k MPA Tx/Rx buffers if 64k memory allocation fails */ + if (ret && (card->mp_tx_agg_buf_size == NXPWIFI_MP_AGGR_BSIZE_MAX || + card->mp_rx_agg_buf_size == NXPWIFI_MP_AGGR_BSIZE_MAX)) { + /* Disable rx single port aggregation */ + adapter->host_disable_sdio_rx_aggr = true; + + ret = nxpwifi_alloc_sdio_mpa_buffers(adapter, + NXPWIFI_MP_AGGR_BSIZE_32K, + NXPWIFI_MP_AGGR_BSIZE_32K); + if (ret) { + /* Disable multi port aggregation */ + card->mpa_tx.enabled = 0; + card->mpa_rx.enabled = 0; + } + } + + adapter->ext_scan = card->can_ext_scan; + return ret; +} + +static void nxpwifi_cleanup_mpa_buf(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + + MP_TX_AGGR_BUF_RESET(card); + MP_RX_AGGR_BUF_RESET(card); +} + +static void nxpwifi_cleanup_sdio(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + + cancel_work_sync(&card->work); + + kfree(card->mpa_tx.buf); + kfree(card->mpa_rx.buf); +} + +static void +nxpwifi_update_mp_end_port(struct nxpwifi_adapter *adapter, u16 port) +{ + struct sdio_mmc_card *card = adapter->card; + const struct nxpwifi_sdio_card_reg *reg = card->reg; + int i; + + card->mp_end_port = port; + + card->mp_data_port_mask = reg->data_port_mask; + + if (reg->start_wr_port) { + for (i = 1; i <= card->max_ports - card->mp_end_port; i++) + card->mp_data_port_mask &= + ~(1 << (card->max_ports - i)); + } + + card->curr_wr_port = reg->start_wr_port; +} + +/* Perform an SDIO card reset in workqueue context. */ +static void nxpwifi_sdio_card_reset_work(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + struct sdio_func *func = card->func; + int ret; + + /* Prepare the adapter for the reset. */ + nxpwifi_shutdown_sw(adapter); + clear_bit(NXPWIFI_IFACE_WORK_DEVICE_DUMP, &card->work_flags); + clear_bit(NXPWIFI_IFACE_WORK_CARD_RESET, &card->work_flags); + + /* Run a HW reset of the SDIO interface. */ + sdio_claim_host(func); + ret = mmc_hw_reset(func->card); + sdio_release_host(func); + + switch (ret) { + case 1: + nxpwifi_dbg(adapter, MSG, "SDIO HW reset asynchronous\n"); + complete_all(adapter->fw_done); + break; + case 0: + ret = nxpwifi_reinit_sw(adapter); + if (ret) + dev_err(&func->dev, "reinit failed: %d\n", ret); + break; + default: + dev_err(&func->dev, "SDIO HW reset failed: %d\n", ret); + break; + } +} + +static enum +rdwr_status nxpwifi_sdio_rdwr_firmware(struct nxpwifi_adapter *adapter, + u8 doneflag) +{ + struct sdio_mmc_card *card = adapter->card; + int ret, tries; + u8 ctrl_data = 0; + + sdio_writeb(card->func, card->reg->fw_dump_host_ready, + card->reg->fw_dump_ctrl, &ret); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SDIO Write ERR\n"); + return RDWR_STATUS_FAILURE; + } + for (tries = 0; tries < MAX_POLL_TRIES; tries++) { + ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, + &ret); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SDIO read err\n"); + return RDWR_STATUS_FAILURE; + } + if (ctrl_data == FW_DUMP_DONE) + break; + if (doneflag && ctrl_data == doneflag) + return RDWR_STATUS_DONE; + if (ctrl_data != card->reg->fw_dump_host_ready) { + nxpwifi_dbg(adapter, WARN, + "The ctrl reg was changed, re-try again\n"); + sdio_writeb(card->func, card->reg->fw_dump_host_ready, + card->reg->fw_dump_ctrl, &ret); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SDIO write err\n"); + return RDWR_STATUS_FAILURE; + } + } + usleep_range(100, 200); + } + if (ctrl_data == card->reg->fw_dump_host_ready) { + nxpwifi_dbg(adapter, ERROR, "Fail to pull ctrl_data\n"); + return RDWR_STATUS_FAILURE; + } + + return RDWR_STATUS_SUCCESS; +} + +/* Dump firmware memories for post-mortem analysis. */ +static void nxpwifi_sdio_fw_dump(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + int ret = 0; + unsigned int reg, reg_start, reg_end; + u8 *dbg_ptr, *end_ptr, dump_num, idx, i, read_reg, doneflag = 0; + enum rdwr_status stat; + u32 memory_size; + + if (!card->can_dump_fw) + return; + + for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { + struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; + + if (entry->mem_ptr) { + vfree(entry->mem_ptr); + entry->mem_ptr = NULL; + } + entry->mem_size = 0; + } + + nxpwifi_pm_wakeup_card(adapter); + sdio_claim_host(card->func); + + nxpwifi_dbg(adapter, MSG, "== nxpwifi firmware dump start ==\n"); + + stat = nxpwifi_sdio_rdwr_firmware(adapter, doneflag); + if (stat == RDWR_STATUS_FAILURE) + goto done; + + reg = card->reg->fw_dump_start; + /* Read the number of the memories which will dump */ + dump_num = sdio_readb(card->func, reg, &ret); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SDIO read memory length err\n"); + goto done; + } + + /* Read the length of every memory which will dump */ + for (idx = 0; idx < dump_num; idx++) { + struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; + + stat = nxpwifi_sdio_rdwr_firmware(adapter, doneflag); + if (stat == RDWR_STATUS_FAILURE) + goto done; + + memory_size = 0; + reg = card->reg->fw_dump_start; + for (i = 0; i < 4; i++) { + read_reg = sdio_readb(card->func, reg, &ret); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SDIO read err\n"); + goto done; + } + memory_size |= (read_reg << i * 8); + reg++; + } + + if (memory_size == 0) { + nxpwifi_dbg(adapter, DUMP, "Firmware dump Finished!\n"); + ret = nxpwifi_write_reg(adapter, + card->reg->fw_dump_ctrl, + FW_DUMP_READ_DONE); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SDIO write err\n"); + return; + } + break; + } + + nxpwifi_dbg(adapter, DUMP, + "%s_SIZE=0x%x\n", entry->mem_name, memory_size); + entry->mem_ptr = vmalloc(memory_size + 1); + entry->mem_size = memory_size; + if (!entry->mem_ptr) + goto done; + dbg_ptr = entry->mem_ptr; + end_ptr = dbg_ptr + memory_size; + + doneflag = entry->done_flag; + nxpwifi_dbg(adapter, DUMP, "Start %s output, please wait...\n", + entry->mem_name); + + do { + stat = nxpwifi_sdio_rdwr_firmware(adapter, doneflag); + if (stat == RDWR_STATUS_FAILURE) + goto done; + + reg_start = card->reg->fw_dump_start; + reg_end = card->reg->fw_dump_end; + for (reg = reg_start; reg <= reg_end; reg++) { + *dbg_ptr = sdio_readb(card->func, reg, &ret); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SDIO read err\n"); + goto done; + } + if (dbg_ptr < end_ptr) + dbg_ptr++; + else + nxpwifi_dbg(adapter, ERROR, "Allocated buf not enough\n"); + } + + if (stat != RDWR_STATUS_DONE) + continue; + + nxpwifi_dbg(adapter, DUMP, "%s done: size=0x%tx\n", + entry->mem_name, dbg_ptr - entry->mem_ptr); + break; + } while (1); + } + nxpwifi_dbg(adapter, MSG, "== nxpwifi firmware dump end ==\n"); + +done: + sdio_release_host(card->func); +} + +/* Generic firmware dump flow for enhanced devices. */ +static void nxpwifi_sdio_generic_fw_dump(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + struct memory_type_mapping *entry = &generic_mem_type_map[0]; + unsigned int reg, reg_start, reg_end; + u8 start_flag = 0, done_flag = 0; + u8 *dbg_ptr, *end_ptr; + enum rdwr_status stat; + int ret = -EPERM, tries; + + if (!card->fw_dump_enh) + return; + + if (entry->mem_ptr) { + vfree(entry->mem_ptr); + entry->mem_ptr = NULL; + } + entry->mem_size = 0; + + nxpwifi_pm_wakeup_card(adapter); + sdio_claim_host(card->func); + + nxpwifi_dbg(adapter, MSG, "== nxpwifi firmware dump start ==\n"); + + stat = nxpwifi_sdio_rdwr_firmware(adapter, done_flag); + if (stat == RDWR_STATUS_FAILURE) + goto done; + + reg_start = card->reg->fw_dump_start; + reg_end = card->reg->fw_dump_end; + for (reg = reg_start; reg <= reg_end; reg++) { + for (tries = 0; tries < MAX_POLL_TRIES; tries++) { + start_flag = sdio_readb(card->func, reg, &ret); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SDIO read err\n"); + goto done; + } + if (start_flag == 0) + break; + if (tries == MAX_POLL_TRIES) { + nxpwifi_dbg(adapter, ERROR, "FW not ready to dump\n"); + ret = -EPERM; + goto done; + } + } + usleep_range(100, 200); + } + + entry->mem_ptr = vmalloc(0xf0000 + 1); + if (!entry->mem_ptr) { + ret = -ENOMEM; + goto done; + } + dbg_ptr = entry->mem_ptr; + entry->mem_size = 0xf0000; + end_ptr = dbg_ptr + entry->mem_size; + + done_flag = entry->done_flag; + nxpwifi_dbg(adapter, DUMP, + "Start %s output, please wait...\n", entry->mem_name); + + while (true) { + stat = nxpwifi_sdio_rdwr_firmware(adapter, done_flag); + if (stat == RDWR_STATUS_FAILURE) + goto done; + for (reg = reg_start; reg <= reg_end; reg++) { + *dbg_ptr = sdio_readb(card->func, reg, &ret); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "SDIO read err\n"); + goto done; + } + dbg_ptr++; + if (dbg_ptr >= end_ptr) { + u8 *tmp_ptr; + + tmp_ptr = vmalloc(entry->mem_size + 0x4000 + 1); + if (!tmp_ptr) + goto done; + + memcpy(tmp_ptr, entry->mem_ptr, + entry->mem_size); + vfree(entry->mem_ptr); + entry->mem_ptr = tmp_ptr; + tmp_ptr = NULL; + dbg_ptr = entry->mem_ptr + entry->mem_size; + entry->mem_size += 0x4000; + end_ptr = entry->mem_ptr + entry->mem_size; + } + } + if (stat == RDWR_STATUS_DONE) { + entry->mem_size = dbg_ptr - entry->mem_ptr; + nxpwifi_dbg(adapter, DUMP, "dump %s done size=0x%x\n", + entry->mem_name, entry->mem_size); + ret = 0; + break; + } + } + nxpwifi_dbg(adapter, MSG, "== nxpwifi firmware dump end ==\n"); + +done: + if (ret) { + nxpwifi_dbg(adapter, ERROR, "firmware dump failed\n"); + if (entry->mem_ptr) { + vfree(entry->mem_ptr); + entry->mem_ptr = NULL; + } + entry->mem_size = 0; + } + sdio_release_host(card->func); +} + +/* Build and upload consolidated device dump. */ +static void nxpwifi_sdio_device_dump_work(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + + adapter->devdump_data = vzalloc(NXPWIFI_FW_DUMP_SIZE); + if (!adapter->devdump_data) + return; + + nxpwifi_drv_info_dump(adapter); + + /* Generic firmware dump flow for enhanced devices. */ + if (card->fw_dump_enh) + nxpwifi_sdio_generic_fw_dump(adapter); + /* Dump firmware memories for post-mortem analysis. */ + else + nxpwifi_sdio_fw_dump(adapter); + + nxpwifi_prepare_fw_dump_info(adapter); + nxpwifi_upload_device_dump(adapter); +} + +/* Process deferred SDIO work items. */ +static void nxpwifi_sdio_work(struct work_struct *work) +{ + struct sdio_mmc_card *card = + container_of(work, struct sdio_mmc_card, work); + + /* Build and upload consolidated device dump. */ + if (test_and_clear_bit(NXPWIFI_IFACE_WORK_DEVICE_DUMP, + &card->work_flags)) + nxpwifi_sdio_device_dump_work(card->adapter); + + /* Perform an SDIO card reset in workqueue context. */ + if (test_and_clear_bit(NXPWIFI_IFACE_WORK_CARD_RESET, + &card->work_flags)) + nxpwifi_sdio_card_reset_work(card->adapter); +} + +/* Schedule SDIO card reset. */ +static void nxpwifi_sdio_card_reset(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + + if (!test_and_set_bit(NXPWIFI_IFACE_WORK_CARD_RESET, &card->work_flags)) + nxpwifi_queue_work(adapter, &card->work); +} + +static void nxpwifi_sdio_device_dump(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + + if (!test_and_set_bit(NXPWIFI_IFACE_WORK_DEVICE_DUMP, + &card->work_flags)) + nxpwifi_queue_work(adapter, &card->work); +} + +/* Dump SDIO function and scratch registers into drv_buf. */ +static int +nxpwifi_sdio_reg_dump(struct nxpwifi_adapter *adapter, char *drv_buf) +{ + char *p = drv_buf; + struct sdio_mmc_card *cardp = adapter->card; + int ret = 0; + u8 count, func, data, index = 0, size = 0; + u8 reg, reg_start, reg_end; + char buf[256], *ptr; + + if (!p) + return 0; + + nxpwifi_dbg(adapter, MSG, "SDIO register dump start\n"); + + nxpwifi_pm_wakeup_card(adapter); + + sdio_claim_host(cardp->func); + + for (count = 0; count < 5; count++) { + memset(buf, 0, sizeof(buf)); + ptr = buf; + + switch (count) { + case 0: + /* Read the registers of SDIO function0 */ + func = count; + reg_start = 0; + reg_end = 9; + break; + case 1: + /* Read the registers of SDIO function1 */ + func = count; + reg_start = cardp->reg->func1_dump_reg_start; + reg_end = cardp->reg->func1_dump_reg_end; + break; + case 2: + index = 0; + func = 1; + reg_start = cardp->reg->func1_spec_reg_table[index++]; + size = cardp->reg->func1_spec_reg_num; + reg_end = cardp->reg->func1_spec_reg_table[size - 1]; + break; + default: + /* Read the scratch registers of SDIO function1 */ + if (count == 4) + msleep(100); + func = 1; + reg_start = cardp->reg->func1_scratch_reg; + reg_end = reg_start + NXPWIFI_SDIO_SCRATCH_SIZE; + } + + if (count != 2) + ptr += scnprintf(ptr, sizeof(buf) - (ptr - buf), + "SDIO Func%d (%#x-%#x): ", func, reg_start, + reg_end); + else + ptr += scnprintf(ptr, sizeof(buf) - (ptr - buf), + "SDIO Func%d: ", func); + + for (reg = reg_start; reg <= reg_end;) { + if (func == 0) + data = sdio_f0_readb(cardp->func, reg, &ret); + else + data = sdio_readb(cardp->func, reg, &ret); + + if (count == 2) + ptr += scnprintf(ptr, sizeof(buf) - (ptr - buf), "(%#x) ", reg); + if (!ret) { + ptr += scnprintf(ptr, sizeof(buf) - (ptr - buf), "%02x ", data); + } else { + ptr += scnprintf(ptr, sizeof(buf) - (ptr - buf), "ERR"); + break; + } + + if (count == 2 && reg < reg_end) + reg = cardp->reg->func1_spec_reg_table[index++]; + else + reg++; + } + + nxpwifi_dbg(adapter, MSG, "%s\n", buf); + p += sprintf(p, "%s\n", buf); + } + + sdio_release_host(cardp->func); + + nxpwifi_dbg(adapter, MSG, "SDIO register dump end\n"); + + return p - drv_buf; +} + +static void nxpwifi_sdio_up_dev(struct nxpwifi_adapter *adapter) +{ + struct sdio_mmc_card *card = adapter->card; + u8 sdio_ireg; + int ret = 0; + + sdio_claim_host(card->func); + ret = sdio_enable_func(card->func); + + if (ret) + nxpwifi_dbg(adapter, ERROR, "sdio_enable_func failed: %d\n", ret); + + ret = sdio_set_block_size(card->func, NXPWIFI_SDIO_BLOCK_SIZE); + + if (ret) + nxpwifi_dbg(adapter, ERROR, "sdio_set_block_size failed: %d\n", ret); + + sdio_release_host(card->func); + + /* + * tx_buf_size might be changed to 3584 by firmware during + * data transfer, we will reset to default size. + */ + adapter->tx_buf_size = card->tx_buf_size; + + /* + * Read the host_int_status_reg for ACK the first interrupt got + * from the bootloader. If we don't do this we get a interrupt + * as soon as we register the irq. + */ + nxpwifi_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg); + + if (nxpwifi_init_sdio_ioport(adapter)) + nxpwifi_dbg(adapter, ERROR, "error enabling SDIO port\n"); +} + +static struct nxpwifi_if_ops sdio_ops = { + .init_if = nxpwifi_init_sdio, + .cleanup_if = nxpwifi_cleanup_sdio, + .check_fw_status = nxpwifi_check_fw_status, + .check_winner_status = nxpwifi_check_winner_status, + .prog_fw = nxpwifi_prog_fw_w_helper, + .register_dev = nxpwifi_register_dev, + .unregister_dev = nxpwifi_unregister_dev, + .enable_int = nxpwifi_sdio_enable_host_int, + .disable_int = nxpwifi_sdio_disable_host_int, + .process_int_status = nxpwifi_process_int_status, + .host_to_card = nxpwifi_sdio_host_to_card, + .wakeup = nxpwifi_pm_wakeup_card, + .wakeup_complete = nxpwifi_pm_wakeup_card_complete, + + /* SDIO specific */ + .update_mp_end_port = nxpwifi_update_mp_end_port, + .cleanup_mpa_buf = nxpwifi_cleanup_mpa_buf, + .cmdrsp_complete = nxpwifi_sdio_cmdrsp_complete, + .event_complete = nxpwifi_sdio_event_complete, + .dnld_fw = nxpwifi_sdio_dnld_fw, + .card_reset = nxpwifi_sdio_card_reset, + .reg_dump = nxpwifi_sdio_reg_dump, + .device_dump = nxpwifi_sdio_device_dump, + .deaggr_pkt = nxpwifi_deaggr_sdio_pkt, + .up_dev = nxpwifi_sdio_up_dev, +}; + +module_sdio_driver(nxpwifi_sdio); + +MODULE_AUTHOR("NXP International Ltd."); +MODULE_DESCRIPTION("NXP WiFi SDIO Driver version " SDIO_VERSION); +MODULE_VERSION(SDIO_VERSION); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(IW61X_SDIO_FW_NAME); diff --git a/drivers/net/wireless/nxp/nxpwifi/sdio.h b/drivers/net/wireless/nxp/nxpwifi/sdio.h new file mode 100644 index 000000000000..de5c884a5b14 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/sdio.h @@ -0,0 +1,340 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * NXP Wireless LAN device driver: SDIO specific definitions + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_SDIO_H +#define _NXPWIFI_SDIO_H + +#include "main.h" + +#define IW61X_SDIO_FW_NAME "nxp/sd_w61x_v1.bin.se" + +#define BLOCK_MODE 1 +#define BYTE_MODE 0 + +#define NXPWIFI_SDIO_IO_PORT_MASK 0xfffff + +#define NXPWIFI_SDIO_BYTE_MODE_MASK 0x80000000 + +#define NXPWIFI_MAX_FUNC2_REG_NUM 13 +#define NXPWIFI_SDIO_SCRATCH_SIZE 10 + +#define SDIO_MPA_ADDR_BASE 0x1000 + +#define CMD_PORT_UPLD_INT_MASK (0x1U << 6) +#define CMD_PORT_DNLD_INT_MASK (0x1U << 7) +#define HOST_TERM_CMD53 (0x1U << 2) +#define REG_PORT 0 +#define MEM_PORT 0x10000 + +#define CMD53_NEW_MODE (0x1U << 0) +#define CMD_PORT_RD_LEN_EN (0x1U << 2) +#define CMD_PORT_AUTO_EN (0x1U << 0) +#define CMD_PORT_SLCT 0x8000 +#define UP_LD_CMD_PORT_HOST_INT_STATUS (0x40U) +#define DN_LD_CMD_PORT_HOST_INT_STATUS (0x80U) + +#define NXPWIFI_MP_AGGR_BSIZE_32K (32768) +/* we leave one block of 256 bytes for DMA alignment*/ +#define NXPWIFI_MP_AGGR_BSIZE_MAX (65280) + +/* Misc. Config Register : Auto Re-enable interrupts */ +#define AUTO_RE_ENABLE_INT BIT(4) + +/* Host Control Registers : Configuration */ +#define CONFIGURATION_REG 0x00 +/* Host Control Registers : Host power up */ +#define HOST_POWER_UP (0x1U << 1) + +/* Host Control Registers : Upload host interrupt mask */ +#define UP_LD_HOST_INT_MASK (0x1U) +/* Host Control Registers : Download host interrupt mask */ +#define DN_LD_HOST_INT_MASK (0x2U) + +/* Host Control Registers : Upload host interrupt status */ +#define UP_LD_HOST_INT_STATUS (0x1U) +/* Host Control Registers : Download host interrupt status */ +#define DN_LD_HOST_INT_STATUS (0x2U) + +/* Host Control Registers : Host interrupt status */ +#define CARD_INT_STATUS_REG 0x28 + +/* Card Control Registers : Card I/O ready */ +#define CARD_IO_READY (0x1U << 3) +/* Card Control Registers : Download card ready */ +#define DN_LD_CARD_RDY (0x1U << 0) + +/* Max retry number of CMD53 write */ +#define MAX_WRITE_IOMEM_RETRY 2 + +/* SDIO Tx aggregation in progress ? */ +#define MP_TX_AGGR_IN_PROGRESS(a) ((a)->mpa_tx.pkt_cnt > 0) + +/* SDIO Tx aggregation buffer room for next packet ? */ +#define MP_TX_AGGR_BUF_HAS_ROOM(a, len) ({ \ + typeof(a) (_a) = a; \ + (((_a)->mpa_tx.buf_len + (len)) <= (_a)->mpa_tx.buf_size); \ + }) + +/* Copy current packet (SDIO Tx aggregation buffer) to SDIO buffer */ +#define MP_TX_AGGR_BUF_PUT(a, payload, pkt_len, port) do { \ + typeof(a) (_a) = (a); \ + typeof(pkt_len) (_pkt_len) = pkt_len; \ + typeof(port) (_port) = port; \ + memmove(&(_a)->mpa_tx.buf[(_a)->mpa_tx.buf_len], \ + payload, (_pkt_len)); \ + (_a)->mpa_tx.buf_len += (_pkt_len); \ + if (!(_a)->mpa_tx.pkt_cnt) \ + (_a)->mpa_tx.start_port = (_port); \ + if ((_a)->mpa_tx.start_port <= (_port)) \ + (_a)->mpa_tx.ports |= (1 << ((_a)->mpa_tx.pkt_cnt)); \ + else \ + (_a)->mpa_tx.ports |= (1 << ((_a)->mpa_tx.pkt_cnt + 1 + \ + ((_a)->max_ports - \ + (_a)->mp_end_port))); \ + (_a)->mpa_tx.pkt_cnt++; \ +} while (0) + +/* SDIO Tx aggregation limit ? */ +#define MP_TX_AGGR_PKT_LIMIT_REACHED(a) ({ \ + typeof(a) (_a) = a; \ + ((_a)->mpa_tx.pkt_cnt == (_a)->mpa_tx.pkt_aggr_limit); \ + }) + +/* Reset SDIO Tx aggregation buffer parameters */ +#define MP_TX_AGGR_BUF_RESET(a) do { \ + typeof(a) (_a) = (a); \ + (_a)->mpa_tx.pkt_cnt = 0; \ + (_a)->mpa_tx.buf_len = 0; \ + (_a)->mpa_tx.ports = 0; \ + (_a)->mpa_tx.start_port = 0; \ +} while (0) + +/* SDIO Rx aggregation limit ? */ +#define MP_RX_AGGR_PKT_LIMIT_REACHED(a) ({ \ + typeof(a) (_a) = a; \ + ((_a)->mpa_rx.pkt_cnt == (_a)->mpa_rx.pkt_aggr_limit); \ + }) + +/* SDIO Rx aggregation in progress ? */ +#define MP_RX_AGGR_IN_PROGRESS(a) ((a)->mpa_rx.pkt_cnt > 0) + +/* SDIO Rx aggregation buffer room for next packet ? */ +#define MP_RX_AGGR_BUF_HAS_ROOM(a, rx_len) ({ \ + typeof(a) (_a) = a; \ + ((((_a)->mpa_rx.buf_len + (rx_len))) <= (_a)->mpa_rx.buf_size); \ + }) + +/* Reset SDIO Rx aggregation buffer parameters */ +#define MP_RX_AGGR_BUF_RESET(a) do { \ + typeof(a) (_a) = (a); \ + (_a)->mpa_rx.pkt_cnt = 0; \ + (_a)->mpa_rx.buf_len = 0; \ + (_a)->mpa_rx.ports = 0; \ + (_a)->mpa_rx.start_port = 0; \ +} while (0) + +/* data structure for SDIO MPA TX */ +struct nxpwifi_sdio_mpa_tx { + /* multiport tx aggregation buffer pointer */ + u8 *buf; + u32 buf_len; + u32 pkt_cnt; + u32 ports; + u16 start_port; + u8 enabled; + u32 buf_size; + u32 pkt_aggr_limit; +}; + +struct nxpwifi_sdio_mpa_rx { + u8 *buf; + u32 buf_len; + u32 pkt_cnt; + u32 ports; + u16 start_port; + u32 *len_arr; + u8 enabled; + u32 buf_size; + u32 pkt_aggr_limit; +}; + +int nxpwifi_bus_register(void); +void nxpwifi_bus_unregister(void); + +struct nxpwifi_sdio_card_reg { + u8 start_rd_port; + u8 start_wr_port; + u8 base_0_reg; + u8 base_1_reg; + u8 poll_reg; + u8 host_int_enable; + u8 host_int_rsr_reg; + u8 host_int_status_reg; + u8 host_int_mask_reg; + u8 host_strap_reg; + u8 host_strap_mask; + u8 host_strap_value; + u8 status_reg_0; + u8 status_reg_1; + u8 sdio_int_mask; + u32 data_port_mask; + u8 io_port_0_reg; + u8 io_port_1_reg; + u8 io_port_2_reg; + u8 max_mp_regs; + u8 rd_bitmap_l; + u8 rd_bitmap_u; + u8 rd_bitmap_1l; + u8 rd_bitmap_1u; + u8 wr_bitmap_l; + u8 wr_bitmap_u; + u8 wr_bitmap_1l; + u8 wr_bitmap_1u; + u8 rd_len_p0_l; + u8 rd_len_p0_u; + u8 card_misc_cfg_reg; + u8 card_cfg_2_1_reg; + u8 cmd_rd_len_0; + u8 cmd_rd_len_1; + u8 cmd_rd_len_2; + u8 cmd_rd_len_3; + u8 cmd_cfg_0; + u8 cmd_cfg_1; + u8 cmd_cfg_2; + u8 cmd_cfg_3; + u8 fw_dump_host_ready; + u8 fw_dump_ctrl; + u8 fw_dump_start; + u8 fw_dump_end; + u8 func1_dump_reg_start; + u8 func1_dump_reg_end; + u8 func1_scratch_reg; + u8 func1_spec_reg_num; + u8 func1_spec_reg_table[NXPWIFI_MAX_FUNC2_REG_NUM]; +}; + +struct sdio_mmc_card { + struct sdio_func *func; + struct nxpwifi_adapter *adapter; + + struct completion fw_done; + const char *firmware; + const char *firmware_sdiouart; + const struct nxpwifi_sdio_card_reg *reg; + u8 max_ports; + u8 mp_agg_pkt_limit; + u16 tx_buf_size; + u32 mp_tx_agg_buf_size; + u32 mp_rx_agg_buf_size; + + u32 mp_rd_bitmap; + u32 mp_wr_bitmap; + + u16 mp_end_port; + u32 mp_data_port_mask; + + u8 curr_rd_port; + u8 curr_wr_port; + + u8 *mp_regs; + bool can_dump_fw; + bool fw_dump_enh; + bool can_ext_scan; + + struct nxpwifi_sdio_mpa_tx mpa_tx; + struct nxpwifi_sdio_mpa_rx mpa_rx; + + struct work_struct work; + unsigned long work_flags; +}; + +struct nxpwifi_sdio_device { + const char *firmware; + const char *firmware_sdiouart; + const struct nxpwifi_sdio_card_reg *reg; + u8 max_ports; + u8 mp_agg_pkt_limit; + u16 tx_buf_size; + u32 mp_tx_agg_buf_size; + u32 mp_rx_agg_buf_size; + bool can_dump_fw; + bool fw_dump_enh; + bool can_ext_scan; +}; + +/* .cmdrsp_complete handler + */ +static inline int nxpwifi_sdio_cmdrsp_complete(struct nxpwifi_adapter *adapter, + struct sk_buff *skb) +{ + dev_kfree_skb_any(skb); + return 0; +} + +/* .event_complete handler + */ +static inline int nxpwifi_sdio_event_complete(struct nxpwifi_adapter *adapter, + struct sk_buff *skb) +{ + dev_kfree_skb_any(skb); + return 0; +} + +static inline bool +mp_rx_aggr_port_limit_reached(struct sdio_mmc_card *card) +{ + u8 tmp; + + if (card->curr_rd_port < card->mpa_rx.start_port) { + tmp = card->mp_end_port >> 1; + + if (((card->max_ports - card->mpa_rx.start_port) + + card->curr_rd_port) >= tmp) + return true; + } + + if ((card->curr_rd_port - card->mpa_rx.start_port) >= + (card->mp_end_port >> 1)) + return true; + + return false; +} + +static inline bool +mp_tx_aggr_port_limit_reached(struct sdio_mmc_card *card) +{ + u16 tmp; + + if (card->curr_wr_port < card->mpa_tx.start_port) { + tmp = card->mp_end_port >> 1; + + if (((card->max_ports - card->mpa_tx.start_port) + + card->curr_wr_port) >= tmp) + return true; + } + + if ((card->curr_wr_port - card->mpa_tx.start_port) >= + (card->mp_end_port >> 1)) + return true; + + return false; +} + +/* Prepare to copy current packet from card to SDIO Rx aggregation buffer */ +static inline void mp_rx_aggr_setup(struct sdio_mmc_card *card, + u16 rx_len, u8 port) +{ + card->mpa_rx.buf_len += rx_len; + + if (!card->mpa_rx.pkt_cnt) + card->mpa_rx.start_port = port; + + card->mpa_rx.ports |= (1 << port); + card->mpa_rx.len_arr[card->mpa_rx.pkt_cnt] = rx_len; + card->mpa_rx.pkt_cnt++; +} +#endif /* _NXPWIFI_SDIO_H */ diff --git a/drivers/net/wireless/nxp/nxpwifi/sta_cfg.c b/drivers/net/wireless/nxp/nxpwifi/sta_cfg.c new file mode 100644 index 000000000000..502c96dc4016 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/sta_cfg.c @@ -0,0 +1,1165 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: functions for station ioctl + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" +#include "cfg80211.h" + +static int disconnect_on_suspend; + +/* Copies the multicast address list from device to driver */ +int nxpwifi_copy_mcast_addr(struct nxpwifi_multicast_list *mlist, + struct net_device *dev) +{ + int i = 0; + struct netdev_hw_addr *ha; + + netdev_for_each_mc_addr(ha, dev) + memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN); + + return i; +} + +/* Wait queue completion handler */ +int nxpwifi_wait_queue_complete(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_queued) +{ + int status; + + /* Wait for completion */ + status = wait_event_interruptible_timeout(adapter->cmd_wait_q.wait, + *cmd_queued->condition, + (12 * HZ)); + if (status <= 0) { + if (status == 0) + status = -ETIMEDOUT; + nxpwifi_dbg(adapter, ERROR, "cmd_wait_q terminated: %d\n", + status); + nxpwifi_cancel_all_pending_cmd(adapter); + return status; + } + + status = adapter->cmd_wait_q.status; + adapter->cmd_wait_q.status = 0; + + return status; +} + +/* Set multicast list by issuing the proper firmware command */ +int +nxpwifi_request_set_multicast_list(struct nxpwifi_private *priv, + struct nxpwifi_multicast_list *mcast_list) +{ + int ret = 0; + u16 old_pkt_filter; + + old_pkt_filter = priv->curr_pkt_filter; + + if (mcast_list->mode == NXPWIFI_PROMISC_MODE) { + nxpwifi_dbg(priv->adapter, INFO, + "info: Enable Promiscuous mode\n"); + priv->curr_pkt_filter |= HOST_ACT_MAC_PROMISCUOUS_ENABLE; + priv->curr_pkt_filter &= + ~HOST_ACT_MAC_ALL_MULTICAST_ENABLE; + } else { + /* Multicast */ + priv->curr_pkt_filter &= ~HOST_ACT_MAC_PROMISCUOUS_ENABLE; + if (mcast_list->mode == NXPWIFI_ALL_MULTI_MODE) { + nxpwifi_dbg(priv->adapter, INFO, + "info: Enabling All Multicast!\n"); + priv->curr_pkt_filter |= + HOST_ACT_MAC_ALL_MULTICAST_ENABLE; + } else { + priv->curr_pkt_filter &= + ~HOST_ACT_MAC_ALL_MULTICAST_ENABLE; + nxpwifi_dbg(priv->adapter, INFO, + "info: Set multicast list=%d\n", + mcast_list->num_multicast_addr); + /* Send multicast addresses to firmware */ + ret = nxpwifi_send_cmd(priv, + HOST_CMD_MAC_MULTICAST_ADR, + HOST_ACT_GEN_SET, 0, + mcast_list, false); + } + } + nxpwifi_dbg(priv->adapter, INFO, + "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n", + old_pkt_filter, priv->curr_pkt_filter); + if (old_pkt_filter != priv->curr_pkt_filter) { + ret = nxpwifi_send_cmd(priv, HOST_CMD_MAC_CONTROL, + HOST_ACT_GEN_SET, + 0, &priv->curr_pkt_filter, false); + } + + return ret; +} + +/* Fill BSS descriptor from cfg80211_bss */ +int nxpwifi_fill_new_bss_desc(struct nxpwifi_private *priv, + struct cfg80211_bss *bss, + struct nxpwifi_bssdescriptor *bss_desc) +{ + u8 *beacon_ie; + size_t beacon_ie_len; + struct nxpwifi_bss_priv *bss_priv = (void *)bss->priv; + const struct cfg80211_bss_ies *ies; + + rcu_read_lock(); + ies = rcu_dereference(bss->ies); + beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC); + beacon_ie_len = ies->len; + bss_desc->timestamp = ies->tsf; + rcu_read_unlock(); + + if (!beacon_ie) { + nxpwifi_dbg(priv->adapter, ERROR, + " failed to alloc beacon_ie\n"); + return -ENOMEM; + } + + memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN); + bss_desc->rssi = bss->signal; + /* The caller of this function will free beacon_ie */ + bss_desc->beacon_buf = beacon_ie; + bss_desc->beacon_buf_size = beacon_ie_len; + bss_desc->beacon_period = bss->beacon_interval; + bss_desc->cap_info_bitmap = bss->capability; + bss_desc->bss_band = bss_priv->band; + bss_desc->fw_tsf = bss_priv->fw_tsf; + if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) { + nxpwifi_dbg(priv->adapter, INFO, + "info: InterpretIE: AP WEP enabled\n"); + bss_desc->privacy = NXPWIFI_802_11_PRIV_FILTER_8021X_WEP; + } else { + bss_desc->privacy = NXPWIFI_802_11_PRIV_FILTER_ACCEPT_ALL; + } + bss_desc->bss_mode = NL80211_IFTYPE_STATION; + + /* Disable 11ac by default */ + bss_desc->disable_11ac = true; + /* Disable 11ax by default */ + bss_desc->disable_11ax = true; + + if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT) + bss_desc->sensed_11h = true; + + return nxpwifi_update_bss_desc_with_ie(priv->adapter, bss_desc); +} + +static int nxpwifi_process_country_ie(struct nxpwifi_private *priv, + struct cfg80211_bss *bss) +{ + const u8 *country_ie; + u8 country_ie_len; + struct nxpwifi_802_11d_domain_reg *domain_info = + &priv->adapter->domain_reg; + int ret; + + rcu_read_lock(); + country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY); + if (!country_ie) { + rcu_read_unlock(); + return 0; + } + + country_ie_len = country_ie[1]; + if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) { + rcu_read_unlock(); + return 0; + } + + if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) { + rcu_read_unlock(); + nxpwifi_dbg(priv->adapter, INFO, + "11D: skip setting domain info in FW\n"); + return 0; + } + + if (country_ie_len > + (IEEE80211_COUNTRY_STRING_LEN + NXPWIFI_MAX_TRIPLET_802_11D)) { + rcu_read_unlock(); + nxpwifi_dbg(priv->adapter, ERROR, + "11D: country_ie_len overflow!, deauth AP\n"); + return -EINVAL; + } + + memcpy(priv->adapter->country_code, &country_ie[2], 2); + + domain_info->country_code[0] = country_ie[2]; + domain_info->country_code[1] = country_ie[3]; + domain_info->country_code[2] = ' '; + + country_ie_len -= IEEE80211_COUNTRY_STRING_LEN; + + domain_info->no_of_triplet = + country_ie_len / sizeof(struct ieee80211_country_ie_triplet); + + memcpy((u8 *)domain_info->triplet, + &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len); + + rcu_read_unlock(); + + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11D_DOMAIN_INFO, + HOST_ACT_GEN_SET, 0, NULL, false); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "11D: setting domain info in FW fail\n"); + + return ret; +} + +/* In infra mode, an deauthentication is performed first */ +int nxpwifi_bss_start(struct nxpwifi_private *priv, struct cfg80211_bss *bss, + struct cfg80211_ssid *req_ssid) +{ + int ret; + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_bssdescriptor *bss_desc = NULL; + u16 config_bands; + + priv->scan_block = false; + + if (adapter->region_code == 0x00 && + nxpwifi_process_country_ie(priv, bss)) + return -EINVAL; + + /* Allocate and fill new bss descriptor */ + bss_desc = kzalloc_obj(*bss_desc, GFP_KERNEL); + if (!bss_desc) + return -ENOMEM; + + ret = nxpwifi_fill_new_bss_desc(priv, bss, bss_desc); + if (ret) + goto done; + + if (nxpwifi_band_to_radio_type(bss_desc->bss_band) == + HOST_SCAN_RADIO_TYPE_BG) { + config_bands = BAND_B | BAND_G | BAND_GN; + if (adapter->fw_bands & BAND_GAC) + config_bands |= BAND_GAC; + if (adapter->fw_bands & BAND_GAX) + config_bands |= BAND_GAX; + } else { + config_bands = BAND_A | BAND_AN; + if (adapter->fw_bands & BAND_AAC) + config_bands |= BAND_AAC; + if (adapter->fw_bands & BAND_AAX) + config_bands |= BAND_AAX; + } + + if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) + priv->config_bands = config_bands; + + ret = nxpwifi_check_network_compatibility(priv, bss_desc); + if (ret) + goto done; + + if (nxpwifi_11h_get_csa_closed_channel(priv) == (u8)bss_desc->channel) { + nxpwifi_dbg(adapter, ERROR, + "Attempt to reconnect on csa closed chan(%d)\n", + bss_desc->channel); + ret = -EINVAL; + goto done; + } + + nxpwifi_stop_net_dev_queue(priv->netdev, adapter); + netif_carrier_off(priv->netdev); + + /* Clear any past association response stored for application retrieval */ + priv->assoc_rsp_size = 0; + ret = nxpwifi_associate(priv, bss_desc); + + /* + * If auth type is auto and association fails using open mode, try to connect + * using shared mode + */ + if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG && + priv->sec_info.is_authtype_auto && + priv->sec_info.wep_enabled) { + priv->sec_info.authentication_mode = + NL80211_AUTHTYPE_SHARED_KEY; + ret = nxpwifi_associate(priv, bss_desc); + } + +done: + /* beacon_ie buffer was allocated in function nxpwifi_fill_new_bss_desc() */ + if (bss_desc) + kfree(bss_desc->beacon_buf); + kfree(bss_desc); + + if (ret < 0) + priv->attempted_bss_desc = NULL; + + return ret; +} + +/* IOCTL request handler to set host sleep configuration */ +int nxpwifi_set_hs_params(struct nxpwifi_private *priv, u16 action, + int cmd_type, struct nxpwifi_ds_hs_cfg *hs_cfg) + +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int status = 0; + u32 prev_cond = 0; + + if (!hs_cfg) + return -ENOMEM; + + switch (action) { + case HOST_ACT_GEN_SET: + if (adapter->pps_uapsd_mode) { + nxpwifi_dbg(adapter, INFO, + "info: Host Sleep IOCTL\t" + "is blocked in UAPSD/PPS mode\n"); + status = -EPERM; + break; + } + if (hs_cfg->is_invoke_hostcmd) { + if (hs_cfg->conditions == HS_CFG_CANCEL) { + if (!test_bit(NXPWIFI_IS_HS_CONFIGURED, + &adapter->work_flags)) + /* Already cancelled */ + break; + /* Save previous condition */ + prev_cond = le32_to_cpu(adapter->hs_cfg + .conditions); + adapter->hs_cfg.conditions = + cpu_to_le32(hs_cfg->conditions); + } else if (hs_cfg->conditions) { + adapter->hs_cfg.conditions = + cpu_to_le32(hs_cfg->conditions); + adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; + if (hs_cfg->gap) + adapter->hs_cfg.gap = (u8)hs_cfg->gap; + } else if (adapter->hs_cfg.conditions == + cpu_to_le32(HS_CFG_CANCEL)) { + status = -EINVAL; + break; + } + + status = nxpwifi_send_cmd(priv, + HOST_CMD_802_11_HS_CFG_ENH, + HOST_ACT_GEN_SET, 0, + &adapter->hs_cfg, + cmd_type == NXPWIFI_SYNC_CMD); + + if (hs_cfg->conditions == HS_CFG_CANCEL) + /* Restore previous condition */ + adapter->hs_cfg.conditions = + cpu_to_le32(prev_cond); + } else { + adapter->hs_cfg.conditions = + cpu_to_le32(hs_cfg->conditions); + adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; + adapter->hs_cfg.gap = (u8)hs_cfg->gap; + } + break; + case HOST_ACT_GEN_GET: + hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions); + hs_cfg->gpio = adapter->hs_cfg.gpio; + hs_cfg->gap = adapter->hs_cfg.gap; + break; + default: + status = -EINVAL; + break; + } + + return status; +} + +/* Sends IOCTL request to cancel the existing Host Sleep configuration */ +int nxpwifi_cancel_hs(struct nxpwifi_private *priv, int cmd_type) +{ + struct nxpwifi_ds_hs_cfg hscfg; + + hscfg.conditions = HS_CFG_CANCEL; + hscfg.is_invoke_hostcmd = true; + + return nxpwifi_set_hs_params(priv, HOST_ACT_GEN_SET, + cmd_type, &hscfg); +} +EXPORT_SYMBOL_GPL(nxpwifi_cancel_hs); + +/* Sends IOCTL request to cancel the existing Host Sleep configuration */ +bool nxpwifi_enable_hs(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_ds_hs_cfg hscfg; + struct nxpwifi_private *priv; + int i; + + if (disconnect_on_suspend) { + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + nxpwifi_deauthenticate(priv, NULL); + } + } + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); + + if (priv && priv->sched_scanning) { +#ifdef CONFIG_PM + if (priv->wdev.wiphy->wowlan_config && + !priv->wdev.wiphy->wowlan_config->nd_config) { +#endif + nxpwifi_dbg(adapter, CMD, "aborting bgscan!\n"); + nxpwifi_stop_bg_scan(priv); + cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0); +#ifdef CONFIG_PM + } +#endif + } + + if (adapter->hs_activated) { + nxpwifi_dbg(adapter, CMD, + "cmd: HS Already activated\n"); + return true; + } + + adapter->hs_activate_wait_q_woken = false; + + memset(&hscfg, 0, sizeof(hscfg)); + hscfg.is_invoke_hostcmd = true; + + set_bit(NXPWIFI_IS_HS_ENABLING, &adapter->work_flags); + nxpwifi_cancel_all_pending_cmd(adapter); + + if (nxpwifi_set_hs_params(nxpwifi_get_priv(adapter, + NXPWIFI_BSS_ROLE_STA), + HOST_ACT_GEN_SET, NXPWIFI_SYNC_CMD, + &hscfg)) { + nxpwifi_dbg(adapter, ERROR, + "IOCTL request HS enable failed\n"); + return false; + } + + if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q, + adapter->hs_activate_wait_q_woken, + (10 * HZ)) <= 0) { + nxpwifi_dbg(adapter, ERROR, + "hs_activate_wait_q terminated\n"); + return false; + } + + return true; +} +EXPORT_SYMBOL_GPL(nxpwifi_enable_hs); + +/* IOCTL request handler to get BSS information */ +int nxpwifi_get_bss_info(struct nxpwifi_private *priv, + struct nxpwifi_bss_info *info) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_bssdescriptor *bss_desc; + + if (!info) + return -EINVAL; + + bss_desc = &priv->curr_bss_params.bss_descriptor; + + info->bss_mode = priv->bss_mode; + + memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid)); + + memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN); + + info->bss_chan = bss_desc->channel; + + memcpy(info->country_code, adapter->country_code, + IEEE80211_COUNTRY_STRING_LEN); + + info->media_connected = priv->media_connected; + + info->max_power_level = priv->max_tx_power_level; + info->min_power_level = priv->min_tx_power_level; + + info->bcn_nf_last = priv->bcn_nf_last; + + if (priv->sec_info.wep_enabled) + info->wep_status = true; + else + info->wep_status = false; + + info->is_hs_configured = test_bit(NXPWIFI_IS_HS_CONFIGURED, + &adapter->work_flags); + info->is_deep_sleep = adapter->is_deep_sleep; + + return 0; +} + +/* The function disables auto deep sleep mode */ +int nxpwifi_disable_auto_ds(struct nxpwifi_private *priv) +{ + struct nxpwifi_ds_auto_ds auto_ds = { + .auto_ds = DEEP_SLEEP_OFF, + }; + + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH, + DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true); +} +EXPORT_SYMBOL_GPL(nxpwifi_disable_auto_ds); + +/* Sends IOCTL request to get the data rate */ +int nxpwifi_drv_get_data_rate(struct nxpwifi_private *priv, u32 *rate) +{ + int ret; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_TX_RATE_QUERY, + HOST_ACT_GEN_GET, 0, NULL, true); + + if (!ret) { + if (priv->is_data_rate_auto) + *rate = nxpwifi_index_to_data_rate(priv, priv->tx_rate, + priv->tx_htinfo); + else + *rate = priv->data_rate; + } + + return ret; +} + +/* IOCTL request handler to set tx power configuration */ +int nxpwifi_set_tx_power(struct nxpwifi_private *priv, + struct nxpwifi_power_cfg *power_cfg) +{ + int ret; + struct host_cmd_ds_txpwr_cfg *txp_cfg; + struct nxpwifi_types_power_group *pg_tlv; + struct nxpwifi_power_group *pg; + u8 *buf; + u16 dbm = 0; + + if (!power_cfg->is_power_auto) { + dbm = (u16)power_cfg->power_level; + if (dbm < priv->min_tx_power_level || + dbm > priv->max_tx_power_level) { + nxpwifi_dbg(priv->adapter, ERROR, + "txpower value %d dBm\t" + "is out of range (%d dBm-%d dBm)\n", + dbm, priv->min_tx_power_level, + priv->max_tx_power_level); + return -EINVAL; + } + } + buf = kzalloc(NXPWIFI_SIZE_OF_CMD_BUFFER, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + txp_cfg = (struct host_cmd_ds_txpwr_cfg *)buf; + txp_cfg->action = cpu_to_le16(HOST_ACT_GEN_SET); + if (!power_cfg->is_power_auto) { + u16 dbm_min = power_cfg->is_power_fixed ? + dbm : priv->min_tx_power_level; + + txp_cfg->mode = cpu_to_le32(1); + pg_tlv = (struct nxpwifi_types_power_group *) + (buf + sizeof(struct host_cmd_ds_txpwr_cfg)); + pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP); + pg_tlv->length = + cpu_to_le16(4 * sizeof(struct nxpwifi_power_group)); + pg = (struct nxpwifi_power_group *) + (buf + sizeof(struct host_cmd_ds_txpwr_cfg) + + sizeof(struct nxpwifi_types_power_group)); + /* Power group for modulation class HR/DSSS */ + pg->first_rate_code = 0x00; + pg->last_rate_code = 0x03; + pg->modulation_class = MOD_CLASS_HR_DSSS; + pg->power_step = 0; + pg->power_min = (s8)dbm_min; + pg->power_max = (s8)dbm; + pg++; + /* Power group for modulation class OFDM */ + pg->first_rate_code = 0x00; + pg->last_rate_code = 0x07; + pg->modulation_class = MOD_CLASS_OFDM; + pg->power_step = 0; + pg->power_min = (s8)dbm_min; + pg->power_max = (s8)dbm; + pg++; + /* Power group for modulation class HTBW20 */ + pg->first_rate_code = 0x00; + pg->last_rate_code = 0x20; + pg->modulation_class = MOD_CLASS_HT; + pg->power_step = 0; + pg->power_min = (s8)dbm_min; + pg->power_max = (s8)dbm; + pg->ht_bandwidth = HT_BW_20; + pg++; + /* Power group for modulation class HTBW40 */ + pg->first_rate_code = 0x00; + pg->last_rate_code = 0x20; + pg->modulation_class = MOD_CLASS_HT; + pg->power_step = 0; + pg->power_min = (s8)dbm_min; + pg->power_max = (s8)dbm; + pg->ht_bandwidth = HT_BW_40; + } + ret = nxpwifi_send_cmd(priv, HOST_CMD_TXPWR_CFG, + HOST_ACT_GEN_SET, 0, buf, true); + + kfree(buf); + return ret; +} + +/* IOCTL request handler to get power save mode */ +int nxpwifi_drv_set_power(struct nxpwifi_private *priv, u32 *ps_mode) +{ + int ret; + struct nxpwifi_adapter *adapter = priv->adapter; + u16 sub_cmd; + + if (*ps_mode) + adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_PSP; + else + adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_CAM; + sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS; + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH, + sub_cmd, BITMAP_STA_PS, NULL, true); + if (!ret && sub_cmd == DIS_AUTO_PS) + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH, + GET_PS, 0, NULL, false); + + return ret; +} + +/* IOCTL request handler to set/reset WPA element */ +static int nxpwifi_set_wpa_ie(struct nxpwifi_private *priv, + u8 *ie_data_ptr, u16 ie_len) +{ + if (ie_len) { + if (ie_len > sizeof(priv->wpa_ie)) { + nxpwifi_dbg(priv->adapter, ERROR, + "failed to copy WPA element, too big\n"); + return -EINVAL; + } + memcpy(priv->wpa_ie, ie_data_ptr, ie_len); + priv->wpa_ie_len = ie_len; + nxpwifi_dbg(priv->adapter, CMD, + "cmd: Set WPA element len=%d element=%#x\n", + priv->wpa_ie_len, priv->wpa_ie[0]); + + if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) { + priv->sec_info.wpa_enabled = true; + } else if (priv->wpa_ie[0] == WLAN_EID_RSN) { + priv->sec_info.wpa2_enabled = true; + } else { + priv->sec_info.wpa_enabled = false; + priv->sec_info.wpa2_enabled = false; + } + } else { + memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie)); + priv->wpa_ie_len = 0; + nxpwifi_dbg(priv->adapter, INFO, + "info: reset WPA element len=%d element=%#x\n", + priv->wpa_ie_len, priv->wpa_ie[0]); + priv->sec_info.wpa_enabled = false; + priv->sec_info.wpa2_enabled = false; + } + + return 0; +} + +/* IOCTL request handler to set/reset WPS element */ +static int nxpwifi_set_wps_ie(struct nxpwifi_private *priv, + u8 *ie_data_ptr, u16 ie_len) +{ + if (ie_len) { + if (ie_len > NXPWIFI_MAX_VSIE_LEN) { + nxpwifi_dbg(priv->adapter, ERROR, + "info: failed to copy WPS element, too big\n"); + return -EINVAL; + } + + priv->wps_ie = kzalloc(NXPWIFI_MAX_VSIE_LEN, GFP_KERNEL); + if (!priv->wps_ie) + return -ENOMEM; + + memcpy(priv->wps_ie, ie_data_ptr, ie_len); + priv->wps_ie_len = ie_len; + nxpwifi_dbg(priv->adapter, CMD, + "cmd: Set WPS element len=%d element=%#x\n", + priv->wps_ie_len, priv->wps_ie[0]); + } else { + kfree(priv->wps_ie); + priv->wps_ie_len = ie_len; + nxpwifi_dbg(priv->adapter, INFO, + "info: Reset WPS element len=%d\n", priv->wps_ie_len); + } + return 0; +} + +/* IOCTL request handler to set WEP network key */ +static int +nxpwifi_sec_ioctl_set_wep_key(struct nxpwifi_private *priv, + struct nxpwifi_ds_encrypt_key *encrypt_key) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + struct nxpwifi_wep_key *wep_key; + int index; + + if (priv->wep_key_curr_index >= NUM_WEP_KEYS) + priv->wep_key_curr_index = 0; + wep_key = &priv->wep_key[priv->wep_key_curr_index]; + index = encrypt_key->key_index; + if (encrypt_key->key_disable) { + priv->sec_info.wep_enabled = 0; + } else if (!encrypt_key->key_len) { + /* Copy the required key as the current key */ + wep_key = &priv->wep_key[index]; + if (!wep_key->key_length) { + nxpwifi_dbg(adapter, ERROR, + "key not set, so cannot enable it\n"); + return -EINVAL; + } + + memcpy(encrypt_key->key_material, + wep_key->key_material, wep_key->key_length); + encrypt_key->key_len = wep_key->key_length; + + priv->wep_key_curr_index = (u16)index; + priv->sec_info.wep_enabled = 1; + } else { + wep_key = &priv->wep_key[index]; + memset(wep_key, 0, sizeof(struct nxpwifi_wep_key)); + /* Copy the key in the driver */ + memcpy(wep_key->key_material, + encrypt_key->key_material, + encrypt_key->key_len); + wep_key->key_index = index; + wep_key->key_length = encrypt_key->key_len; + priv->sec_info.wep_enabled = 1; + } + if (wep_key->key_length) { + void *enc_key; + + if (encrypt_key->key_disable) { + memset(&priv->wep_key[index], 0, + sizeof(struct nxpwifi_wep_key)); + goto done; + } + + enc_key = encrypt_key; + + /* Send request to firmware */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_KEY_MATERIAL, + HOST_ACT_GEN_SET, 0, enc_key, false); + if (ret) + return ret; + } + +done: + if (priv->sec_info.wep_enabled) + priv->curr_pkt_filter |= HOST_ACT_MAC_WEP_ENABLE; + else + priv->curr_pkt_filter &= ~HOST_ACT_MAC_WEP_ENABLE; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_MAC_CONTROL, + HOST_ACT_GEN_SET, 0, + &priv->curr_pkt_filter, true); + + return ret; +} + +/* IOCTL request handler to set WPA key */ +static int +nxpwifi_sec_ioctl_set_wpa_key(struct nxpwifi_private *priv, + struct nxpwifi_ds_encrypt_key *encrypt_key) +{ + int ret; + u8 remove_key = false; + + /* Current driver only supports key length of up to 32 bytes */ + if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) { + nxpwifi_dbg(priv->adapter, ERROR, + "key length too long\n"); + return -EINVAL; + } + + if (!encrypt_key->key_index) + encrypt_key->key_index = NXPWIFI_KEY_INDEX_UNICAST; + + if (remove_key) + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_KEY_MATERIAL, + HOST_ACT_GEN_SET, + !KEY_INFO_ENABLED, encrypt_key, true); + else + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_KEY_MATERIAL, + HOST_ACT_GEN_SET, + KEY_INFO_ENABLED, encrypt_key, true); + + return ret; +} + +/* IOCTL request handler to set/get network keys */ +static int +nxpwifi_sec_ioctl_encrypt_key(struct nxpwifi_private *priv, + struct nxpwifi_ds_encrypt_key *encrypt_key) +{ + int status; + + if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104) + status = nxpwifi_sec_ioctl_set_wpa_key(priv, encrypt_key); + else + status = nxpwifi_sec_ioctl_set_wep_key(priv, encrypt_key); + + return status; +} + +/* Return driver version string */ +int +nxpwifi_drv_get_driver_version(struct nxpwifi_adapter *adapter, char *version, + int max_len) +{ + union { + __le32 l; + u8 c[4]; + } ver; + char fw_ver[32]; + + ver.l = cpu_to_le32(adapter->fw_release_number); + sprintf(fw_ver, "%u.%u.%u.p%u.%u", ver.c[2], ver.c[1], + ver.c[0], ver.c[3], adapter->fw_hotfix_ver); + + snprintf(version, max_len, nxpwifi_driver_version, fw_ver); + + nxpwifi_dbg(adapter, MSG, "info: NXPWIFI VERSION: %s\n", version); + + return 0; +} + +/* Sends IOCTL request to set encoding parameters */ +int nxpwifi_set_encode(struct nxpwifi_private *priv, struct key_params *kp, + const u8 *key, int key_len, u8 key_index, + const u8 *mac_addr, int disable) +{ + struct nxpwifi_ds_encrypt_key encrypt_key; + + memset(&encrypt_key, 0, sizeof(encrypt_key)); + encrypt_key.key_len = key_len; + encrypt_key.key_index = key_index; + + if (kp) { + encrypt_key.key_cipher = kp->cipher; + if (kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC || + kp->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) + encrypt_key.is_igtk_key = true; + } + + if (!disable) { + if (key_len) + memcpy(encrypt_key.key_material, key, key_len); + else + encrypt_key.is_current_wep_key = true; + + if (mac_addr) + memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN); + if (kp && kp->seq && kp->seq_len) { + memcpy(encrypt_key.pn, kp->seq, kp->seq_len); + encrypt_key.pn_len = kp->seq_len; + encrypt_key.is_rx_seq_valid = true; + } + } else { + encrypt_key.key_disable = true; + if (mac_addr) + memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN); + } + + return nxpwifi_sec_ioctl_encrypt_key(priv, &encrypt_key); +} + +/* Sends IOCTL request to get extended version */ +int +nxpwifi_get_ver_ext(struct nxpwifi_private *priv, u32 version_str_sel) +{ + struct nxpwifi_ver_ext ver_ext; + + memset(&ver_ext, 0, sizeof(ver_ext)); + ver_ext.version_str_sel = version_str_sel; + + return nxpwifi_send_cmd(priv, HOST_CMD_VERSION_EXT, + HOST_ACT_GEN_GET, 0, &ver_ext, true); +} + +int +nxpwifi_remain_on_chan_cfg(struct nxpwifi_private *priv, u16 action, + struct ieee80211_channel *chan, + unsigned int duration) +{ + struct host_cmd_ds_remain_on_chan roc_cfg; + u8 sc; + int ret; + + memset(&roc_cfg, 0, sizeof(roc_cfg)); + roc_cfg.action = cpu_to_le16(action); + if (action == HOST_ACT_GEN_SET) { + roc_cfg.band_cfg = chan->band; + sc = nxpwifi_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT); + roc_cfg.band_cfg |= (sc << 2); + + roc_cfg.channel = + ieee80211_frequency_to_channel(chan->center_freq); + roc_cfg.duration = cpu_to_le32(duration); + } + ret = nxpwifi_send_cmd(priv, HOST_CMD_REMAIN_ON_CHAN, + action, 0, &roc_cfg, true); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "failed to remain on channel\n"); + return ret; + } + + return roc_cfg.status; +} + +/* Sends IOCTL request to get statistics information */ +int +nxpwifi_get_stats_info(struct nxpwifi_private *priv, + struct nxpwifi_ds_get_stats *log) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_GET_LOG, + HOST_ACT_GEN_GET, 0, log, true); +} + +/* IOCTL request handler to read/write register */ +static int nxpwifi_reg_mem_ioctl_reg_rw(struct nxpwifi_private *priv, + struct nxpwifi_ds_reg_rw *reg_rw, + u16 action) +{ + u16 cmd_no; + + switch (reg_rw->type) { + case NXPWIFI_REG_MAC: + cmd_no = HOST_CMD_MAC_REG_ACCESS; + break; + case NXPWIFI_REG_BBP: + cmd_no = HOST_CMD_BBP_REG_ACCESS; + break; + case NXPWIFI_REG_RF: + cmd_no = HOST_CMD_RF_REG_ACCESS; + break; + case NXPWIFI_REG_PMIC: + cmd_no = HOST_CMD_PMIC_REG_ACCESS; + break; + case NXPWIFI_REG_CAU: + cmd_no = HOST_CMD_CAU_REG_ACCESS; + break; + default: + return -EINVAL; + } + + return nxpwifi_send_cmd(priv, cmd_no, action, 0, reg_rw, true); +} + +/* Sends IOCTL request to write to a register */ +int +nxpwifi_reg_write(struct nxpwifi_private *priv, u32 reg_type, + u32 reg_offset, u32 reg_value) +{ + struct nxpwifi_ds_reg_rw reg_rw; + + reg_rw.type = reg_type; + reg_rw.offset = reg_offset; + reg_rw.value = reg_value; + + return nxpwifi_reg_mem_ioctl_reg_rw(priv, ®_rw, HOST_ACT_GEN_SET); +} + +/* Sends IOCTL request to read from a register */ +int +nxpwifi_reg_read(struct nxpwifi_private *priv, u32 reg_type, + u32 reg_offset, u32 *value) +{ + int ret; + struct nxpwifi_ds_reg_rw reg_rw; + + reg_rw.type = reg_type; + reg_rw.offset = reg_offset; + ret = nxpwifi_reg_mem_ioctl_reg_rw(priv, ®_rw, HOST_ACT_GEN_GET); + + if (!ret) + *value = reg_rw.value; + + return ret; +} + +/* Sends IOCTL request to read from EEPROM */ +int +nxpwifi_eeprom_read(struct nxpwifi_private *priv, u16 offset, u16 bytes, + u8 *value) +{ + int ret; + struct nxpwifi_ds_read_eeprom rd_eeprom; + + rd_eeprom.offset = offset; + rd_eeprom.byte_count = bytes; + + /* Send request to firmware */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_EEPROM_ACCESS, + HOST_ACT_GEN_GET, 0, &rd_eeprom, true); + + if (!ret) + memcpy(value, rd_eeprom.value, + min((u16)MAX_EEPROM_DATA, rd_eeprom.byte_count)); + return ret; +} + +/* Set generic IE(s); handle WPA/WPS specially */ +static int +nxpwifi_set_gen_ie_helper(struct nxpwifi_private *priv, u8 *ie_data_ptr, + u16 ie_len) +{ + struct ieee80211_vendor_ie *pvendor_ie; + static const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 }; + static const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 }; + u16 unparsed_len = ie_len, cur_ie_len; + + /* If the passed length is zero, reset the buffer */ + if (!ie_len) { + priv->gen_ie_buf_len = 0; + priv->wps.session_enable = false; + return 0; + } else if (!ie_data_ptr || + ie_len <= sizeof(struct element)) { + return -EINVAL; + } + pvendor_ie = (struct ieee80211_vendor_ie *)ie_data_ptr; + + while (pvendor_ie) { + cur_ie_len = pvendor_ie->len + sizeof(struct element); + + if (pvendor_ie->element_id == WLAN_EID_RSN) { + /* element is a WPA/WPA2 element so call set_wpa function */ + nxpwifi_set_wpa_ie(priv, (u8 *)pvendor_ie, cur_ie_len); + priv->wps.session_enable = false; + goto next_ie; + } + + if (pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) { + /* Test to see if it is a WPA element, if not, then it is a gen element */ + if (!memcmp(&pvendor_ie->oui, wpa_oui, + sizeof(wpa_oui))) { + /* element is a WPA/WPA2 element so call set_wpa function */ + nxpwifi_set_wpa_ie(priv, (u8 *)pvendor_ie, + cur_ie_len); + priv->wps.session_enable = false; + goto next_ie; + } + + if (!memcmp(&pvendor_ie->oui, wps_oui, + sizeof(wps_oui))) { + /* + * Test to see if it is a WPS element, if so, enable wps session + * flag + */ + priv->wps.session_enable = true; + nxpwifi_dbg(priv->adapter, MSG, + "WPS Session Enabled.\n"); + nxpwifi_set_wps_ie(priv, (u8 *)pvendor_ie, + cur_ie_len); + goto next_ie; + } + } + + /* + * Verify that the passed length is not larger than the available space + * remaining in the buffer + */ + if (cur_ie_len < + (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) { + /* Append the passed data to the end of the genIeBuffer */ + memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, + (u8 *)pvendor_ie, cur_ie_len); + /* Increment the stored buffer length by the size passed */ + priv->gen_ie_buf_len += cur_ie_len; + } + +next_ie: + unparsed_len -= cur_ie_len; + + if (unparsed_len <= sizeof(struct element)) + pvendor_ie = NULL; + else + pvendor_ie = (struct ieee80211_vendor_ie *) + (((u8 *)pvendor_ie) + cur_ie_len); + } + + return 0; +} + +/* IOCTL request handler to set/get generic element */ +static int nxpwifi_misc_ioctl_gen_ie(struct nxpwifi_private *priv, + struct nxpwifi_ds_misc_gen_ie *gen_ie, + u16 action) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + switch (gen_ie->type) { + case NXPWIFI_IE_TYPE_GEN_IE: + if (action == HOST_ACT_GEN_GET) { + gen_ie->len = priv->wpa_ie_len; + memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len); + } else { + nxpwifi_set_gen_ie_helper(priv, gen_ie->ie_data, + (u16)gen_ie->len); + } + break; + case NXPWIFI_IE_TYPE_ARP_FILTER: + memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter)); + if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) { + adapter->arp_filter_size = 0; + nxpwifi_dbg(adapter, ERROR, + "invalid ARP filter size\n"); + return -EINVAL; + } + memcpy(adapter->arp_filter, gen_ie->ie_data, gen_ie->len); + adapter->arp_filter_size = gen_ie->len; + break; + default: + nxpwifi_dbg(adapter, ERROR, "invalid element type\n"); + return -EINVAL; + } + return 0; +} + +/* Sends IOCTL request to set a generic element */ +int +nxpwifi_set_gen_ie(struct nxpwifi_private *priv, const u8 *ie, int ie_len) +{ + struct nxpwifi_ds_misc_gen_ie gen_ie; + + if (ie_len > IEEE_MAX_IE_SIZE) + return -EFAULT; + + gen_ie.type = NXPWIFI_IE_TYPE_GEN_IE; + gen_ie.len = ie_len; + memcpy(gen_ie.ie_data, ie, ie_len); + + return nxpwifi_misc_ioctl_gen_ie(priv, &gen_ie, HOST_ACT_GEN_SET); +} + +/* Get Host Sleep wakeup reason */ +int nxpwifi_get_wakeup_reason(struct nxpwifi_private *priv, u16 action, + int cmd_type, + struct nxpwifi_ds_wakeup_reason *wakeup_reason) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_HS_WAKEUP_REASON, + HOST_ACT_GEN_GET, 0, wakeup_reason, + cmd_type == NXPWIFI_SYNC_CMD); +} + +int nxpwifi_get_chan_info(struct nxpwifi_private *priv, + struct nxpwifi_channel_band *channel_band) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_STA_CONFIGURE, + HOST_ACT_GEN_GET, 0, channel_band, + NXPWIFI_SYNC_CMD); +} diff --git a/drivers/net/wireless/nxp/nxpwifi/sta_cmd.c b/drivers/net/wireless/nxp/nxpwifi/sta_cmd.c new file mode 100644 index 000000000000..0b140e84916f --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/sta_cmd.c @@ -0,0 +1,3383 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * nxpwifi: station command handling + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" +#include "11ac.h" +#include "11ax.h" + +static bool disable_auto_ds; + +static int +nxpwifi_cmd_sta_get_hw_spec(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_get_hw_spec *hw_spec = &cmd->params.hw_spec; + + cmd->command = cpu_to_le16(HOST_CMD_GET_HW_SPEC); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec) + + S_DS_GEN); + memcpy(hw_spec->permanent_addr, priv->curr_addr, ETH_ALEN); + + return 0; +} + +static int +nxpwifi_ret_sta_get_hw_spec(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_get_hw_spec *hw_spec = &resp->params.hw_spec; + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ie_types_header *tlv; + struct hw_spec_api_rev *api_rev; + struct hw_spec_max_conn *max_conn; + struct hw_spec_extension *hw_he_cap; + struct hw_spec_fw_cap_info *fw_cap; + struct hw_spec_secure_boot_uuid *sb_uuid; + u16 resp_size, api_id; + int i, left_len, parsed_len = 0; + + adapter->fw_cap_info = le32_to_cpu(hw_spec->fw_cap_info); + + if (IS_SUPPORT_MULTI_BANDS(adapter)) + adapter->fw_bands = GET_FW_DEFAULT_BANDS(adapter); + else + adapter->fw_bands = BAND_B; + + if ((adapter->fw_bands & BAND_A) && (adapter->fw_bands & BAND_GN)) + adapter->fw_bands |= BAND_AN; + if (!(adapter->fw_bands & BAND_G) && (adapter->fw_bands & BAND_GN)) + adapter->fw_bands &= ~BAND_GN; + + adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); + adapter->fw_api_ver = (adapter->fw_release_number >> 16) & 0xff; + adapter->number_of_antenna = + le16_to_cpu(hw_spec->number_of_antenna) & 0xf; + + if (le32_to_cpu(hw_spec->dot_11ac_dev_cap)) { + adapter->is_hw_11ac_capable = true; + + /* Copy 11AC cap */ + adapter->hw_dot_11ac_dev_cap = + le32_to_cpu(hw_spec->dot_11ac_dev_cap); + adapter->usr_dot_11ac_dev_cap_bg = adapter->hw_dot_11ac_dev_cap + & ~NXPWIFI_DEF_11AC_CAP_BF_RESET_MASK; + adapter->usr_dot_11ac_dev_cap_a = adapter->hw_dot_11ac_dev_cap + & ~NXPWIFI_DEF_11AC_CAP_BF_RESET_MASK; + + /* Copy 11AC mcs */ + adapter->hw_dot_11ac_mcs_support = + le32_to_cpu(hw_spec->dot_11ac_mcs_support); + adapter->usr_dot_11ac_mcs_support = + adapter->hw_dot_11ac_mcs_support; + } else { + adapter->is_hw_11ac_capable = false; + } + + resp_size = le16_to_cpu(resp->size) - S_DS_GEN; + if (resp_size > sizeof(struct host_cmd_ds_get_hw_spec)) { + /* we have variable HW SPEC information */ + left_len = resp_size - sizeof(struct host_cmd_ds_get_hw_spec); + while (left_len > sizeof(struct nxpwifi_ie_types_header)) { + tlv = (void *)&hw_spec->tlv + parsed_len; + switch (le16_to_cpu(tlv->type)) { + case TLV_TYPE_API_REV: + api_rev = (struct hw_spec_api_rev *)tlv; + api_id = le16_to_cpu(api_rev->api_id); + switch (api_id) { + case KEY_API_VER_ID: + adapter->key_api_major_ver = + api_rev->major_ver; + adapter->key_api_minor_ver = + api_rev->minor_ver; + nxpwifi_dbg(adapter, INFO, + "key_api v%d.%d\n", + adapter->key_api_major_ver, + adapter->key_api_minor_ver); + break; + case FW_API_VER_ID: + adapter->fw_api_ver = + api_rev->major_ver; + nxpwifi_dbg(adapter, MSG, + "Firmware api version %d.%d\n", + adapter->fw_api_ver, + api_rev->minor_ver); + break; + case UAP_FW_API_VER_ID: + nxpwifi_dbg(adapter, INFO, + "uAP api version %d.%d\n", + api_rev->major_ver, + api_rev->minor_ver); + break; + case CHANRPT_API_VER_ID: + nxpwifi_dbg(adapter, INFO, + "channel report api version %d.%d\n", + api_rev->major_ver, + api_rev->minor_ver); + break; + case FW_HOTFIX_VER_ID: + adapter->fw_hotfix_ver = + api_rev->major_ver; + nxpwifi_dbg(adapter, INFO, + "Firmware hotfix version %d\n", + api_rev->major_ver); + break; + default: + nxpwifi_dbg(adapter, FATAL, + "Unknown api_id: %d\n", + api_id); + break; + } + break; + case TLV_TYPE_MAX_CONN: + max_conn = (struct hw_spec_max_conn *)tlv; + adapter->max_sta_conn = max_conn->max_sta_conn; + nxpwifi_dbg(adapter, INFO, + "max sta connections: %u\n", + adapter->max_sta_conn); + break; + case TLV_TYPE_EXTENSION_ID: + hw_he_cap = (struct hw_spec_extension *)tlv; + if (hw_he_cap->ext_id == + WLAN_EID_EXT_HE_CAPABILITY) + nxpwifi_update_11ax_cap(adapter, hw_he_cap); + break; + case TLV_TYPE_FW_CAP_INFO: + fw_cap = (struct hw_spec_fw_cap_info *)tlv; + adapter->fw_cap_info = + le32_to_cpu(fw_cap->fw_cap_info); + adapter->fw_cap_ext = + le32_to_cpu(fw_cap->fw_cap_ext); + nxpwifi_dbg(adapter, INFO, + "fw_cap_info:%#x fw_cap_ext:%#x\n", + adapter->fw_cap_info, + adapter->fw_cap_ext); + break; + case TLV_TYPE_SECURE_BOOT_UUID: + sb_uuid = (struct hw_spec_secure_boot_uuid *)tlv; + adapter->uuid_lo = + le64_to_cpu(sb_uuid->uuid_lo); + adapter->uuid_hi = + le64_to_cpu(sb_uuid->uuid_hi); + nxpwifi_dbg(adapter, INFO, + "uuid: %#llx%#llx\n", + adapter->uuid_lo, adapter->uuid_hi); + break; + default: + nxpwifi_dbg(adapter, FATAL, + "Unknown GET_HW_SPEC TLV type: %#x\n", + le16_to_cpu(tlv->type)); + break; + } + parsed_len += le16_to_cpu(tlv->len) + + sizeof(struct nxpwifi_ie_types_header); + left_len -= le16_to_cpu(tlv->len) + + sizeof(struct nxpwifi_ie_types_header); + } + } + + if (adapter->key_api_major_ver < KEY_API_VER_MAJOR_V2) + return -EOPNOTSUPP; + + nxpwifi_dbg(adapter, INFO, + "info: GET_HW_SPEC: fw_release_number- %#x\n", + adapter->fw_release_number); + nxpwifi_dbg(adapter, INFO, + "info: GET_HW_SPEC: permanent addr: %pM\n", + hw_spec->permanent_addr); + nxpwifi_dbg(adapter, INFO, + "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n", + le16_to_cpu(hw_spec->hw_if_version), + le16_to_cpu(hw_spec->version)); + + ether_addr_copy(priv->adapter->perm_addr, hw_spec->permanent_addr); + adapter->region_code = le16_to_cpu(hw_spec->region_code); + + /* If it's unidentified region code, use the default (USA/FCC) */ + if (!nxpwifi_is_valid_region_code(adapter->region_code)) { + nxpwifi_dbg(adapter, WARN, + "cmd: unknown region code %#x, use default (USA/%#x)\n", + adapter->region_code, NXPWIFI_DEFAULT_REGION_CODE); + adapter->region_code = NXPWIFI_DEFAULT_REGION_CODE; + } + + adapter->hw_dot_11n_dev_cap = le32_to_cpu(hw_spec->dot_11n_dev_cap); + adapter->hw_dev_mcs_support = hw_spec->dev_mcs_support; + adapter->hw_mpdu_density = GET_MPDU_DENSITY(le32_to_cpu(hw_spec->hw_dev_cap)); + adapter->user_dev_mcs_support = adapter->hw_dev_mcs_support; + adapter->user_htstream = adapter->hw_dev_mcs_support; + if (adapter->fw_bands & BAND_A) + adapter->user_htstream |= (adapter->user_htstream << 8); + + if (adapter->if_ops.update_mp_end_port) { + u16 mp_end_port; + + mp_end_port = le16_to_cpu(hw_spec->mp_end_port); + adapter->if_ops.update_mp_end_port(adapter, mp_end_port); + } + + if (adapter->fw_api_ver == NXPWIFI_FW_V15) + adapter->scan_chan_gap_enabled = true; + + for (i = 0; i < adapter->priv_num; i++) + adapter->priv[i]->config_bands = adapter->fw_bands; + + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_scan(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_802_11_scan(cmd, data_buf); +} + +static int +nxpwifi_ret_sta_802_11_scan(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + + ret = nxpwifi_ret_802_11_scan(priv, resp); + adapter->curr_cmd->wait_q_enabled = false; + + return ret; +} + +static int +nxpwifi_cmd_sta_802_11_get_log(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(HOST_CMD_802_11_GET_LOG); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_get_log) + + S_DS_GEN); + + return 0; +} + +static int +nxpwifi_ret_sta_802_11_get_log(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_802_11_get_log *get_log = + &resp->params.get_log; + struct nxpwifi_ds_get_stats *stats = + (struct nxpwifi_ds_get_stats *)data_buf; + + if (stats) { + stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame); + stats->failed = le32_to_cpu(get_log->failed); + stats->retry = le32_to_cpu(get_log->retry); + stats->multi_retry = le32_to_cpu(get_log->multi_retry); + stats->frame_dup = le32_to_cpu(get_log->frame_dup); + stats->rts_success = le32_to_cpu(get_log->rts_success); + stats->rts_failure = le32_to_cpu(get_log->rts_failure); + stats->ack_failure = le32_to_cpu(get_log->ack_failure); + stats->rx_frag = le32_to_cpu(get_log->rx_frag); + stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame); + stats->fcs_error = le32_to_cpu(get_log->fcs_error); + stats->tx_frame = le32_to_cpu(get_log->tx_frame); + stats->wep_icv_error[0] = + le32_to_cpu(get_log->wep_icv_err_cnt[0]); + stats->wep_icv_error[1] = + le32_to_cpu(get_log->wep_icv_err_cnt[1]); + stats->wep_icv_error[2] = + le32_to_cpu(get_log->wep_icv_err_cnt[2]); + stats->wep_icv_error[3] = + le32_to_cpu(get_log->wep_icv_err_cnt[3]); + stats->bcn_rcv_cnt = le32_to_cpu(get_log->bcn_rcv_cnt); + stats->bcn_miss_cnt = le32_to_cpu(get_log->bcn_miss_cnt); + } + + return 0; +} + +static int +nxpwifi_cmd_sta_mac_multicast_adr(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_mac_multicast_adr *mcast_addr = &cmd->params.mc_addr; + struct nxpwifi_multicast_list *mcast_list = + (struct nxpwifi_multicast_list *)data_buf; + + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mac_multicast_adr) + + S_DS_GEN); + cmd->command = cpu_to_le16(HOST_CMD_MAC_MULTICAST_ADR); + + mcast_addr->action = cpu_to_le16(cmd_action); + mcast_addr->num_of_adrs = + cpu_to_le16((u16)mcast_list->num_multicast_addr); + memcpy(mcast_addr->mac_list, mcast_list->mac_list, + mcast_list->num_multicast_addr * ETH_ALEN); + + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_associate(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_802_11_associate(priv, cmd, data_buf); +} + +static int +nxpwifi_ret_sta_802_11_associate(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + return nxpwifi_ret_802_11_associate(priv, resp); +} + +static int +nxpwifi_cmd_sta_802_11_snmp_mib(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib; + u16 *ul_temp = (u16 *)data_buf; + + nxpwifi_dbg(priv->adapter, CMD, + "cmd: SNMP_CMD: cmd_oid = 0x%x\n", cmd_type); + cmd->command = cpu_to_le16(HOST_CMD_802_11_SNMP_MIB); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_snmp_mib) + + S_DS_GEN); + + snmp_mib->oid = cpu_to_le16((u16)cmd_type); + if (cmd_action == HOST_ACT_GEN_GET) { + snmp_mib->query_type = cpu_to_le16(HOST_ACT_GEN_GET); + snmp_mib->buf_size = cpu_to_le16(MAX_SNMP_BUF_SIZE); + le16_unaligned_add_cpu(&cmd->size, MAX_SNMP_BUF_SIZE); + } else if (cmd_action == HOST_ACT_GEN_SET) { + snmp_mib->query_type = cpu_to_le16(HOST_ACT_GEN_SET); + snmp_mib->buf_size = cpu_to_le16(sizeof(u16)); + put_unaligned_le16(*ul_temp, snmp_mib->value); + le16_unaligned_add_cpu(&cmd->size, sizeof(u16)); + } + + nxpwifi_dbg(priv->adapter, CMD, + "cmd: SNMP_CMD: Action=0x%x, OID=0x%x,\t" + "OIDSize=0x%x, Value=0x%x\n", + cmd_action, cmd_type, le16_to_cpu(snmp_mib->buf_size), + get_unaligned_le16(snmp_mib->value)); + + return 0; +} + +static int +nxpwifi_ret_sta_802_11_snmp_mib(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib; + u16 oid = le16_to_cpu(smib->oid); + u16 query_type = le16_to_cpu(smib->query_type); + u32 ul_temp; + + nxpwifi_dbg(priv->adapter, INFO, + "info: SNMP_RESP: oid value = %#x,\t" + "query_type = %#x, buf size = %#x\n", + oid, query_type, le16_to_cpu(smib->buf_size)); + if (query_type == HOST_ACT_GEN_GET) { + ul_temp = get_unaligned_le16(smib->value); + if (data_buf) + *(u32 *)data_buf = ul_temp; + switch (oid) { + case FRAG_THRESH_I: + nxpwifi_dbg(priv->adapter, INFO, + "info: SNMP_RESP: FragThsd =%u\n", + ul_temp); + break; + case RTS_THRESH_I: + nxpwifi_dbg(priv->adapter, INFO, + "info: SNMP_RESP: RTSThsd =%u\n", + ul_temp); + break; + case SHORT_RETRY_LIM_I: + nxpwifi_dbg(priv->adapter, INFO, + "info: SNMP_RESP: TxRetryCount=%u\n", + ul_temp); + break; + case DTIM_PERIOD_I: + nxpwifi_dbg(priv->adapter, INFO, + "info: SNMP_RESP: DTIM period=%u\n", + ul_temp); + break; + default: + break; + } + } + + return 0; +} + +static int nxpwifi_cmd_sta_reg_access(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct nxpwifi_ds_reg_rw *reg_rw = data_buf; + + cmd->command = cpu_to_le16(cmd_no); + + switch (cmd_no) { + case HOST_CMD_MAC_REG_ACCESS: + { + struct host_cmd_ds_mac_reg_access *mac_reg; + + cmd->size = cpu_to_le16(sizeof(*mac_reg) + S_DS_GEN); + mac_reg = &cmd->params.mac_reg; + mac_reg->action = cpu_to_le16(cmd_action); + mac_reg->offset = cpu_to_le16((u16)reg_rw->offset); + mac_reg->value = cpu_to_le32(reg_rw->value); + break; + } + case HOST_CMD_BBP_REG_ACCESS: + { + struct host_cmd_ds_bbp_reg_access *bbp_reg; + + cmd->size = cpu_to_le16(sizeof(*bbp_reg) + S_DS_GEN); + bbp_reg = &cmd->params.bbp_reg; + bbp_reg->action = cpu_to_le16(cmd_action); + bbp_reg->offset = cpu_to_le16((u16)reg_rw->offset); + bbp_reg->value = (u8)reg_rw->value; + break; + } + case HOST_CMD_RF_REG_ACCESS: + { + struct host_cmd_ds_rf_reg_access *rf_reg; + + cmd->size = cpu_to_le16(sizeof(*rf_reg) + S_DS_GEN); + rf_reg = &cmd->params.rf_reg; + rf_reg->action = cpu_to_le16(cmd_action); + rf_reg->offset = cpu_to_le16((u16)reg_rw->offset); + rf_reg->value = (u8)reg_rw->value; + break; + } + case HOST_CMD_PMIC_REG_ACCESS: + { + struct host_cmd_ds_pmic_reg_access *pmic_reg; + + cmd->size = cpu_to_le16(sizeof(*pmic_reg) + S_DS_GEN); + pmic_reg = &cmd->params.pmic_reg; + pmic_reg->action = cpu_to_le16(cmd_action); + pmic_reg->offset = cpu_to_le16((u16)reg_rw->offset); + pmic_reg->value = (u8)reg_rw->value; + break; + } + case HOST_CMD_CAU_REG_ACCESS: + { + struct host_cmd_ds_rf_reg_access *cau_reg; + + cmd->size = cpu_to_le16(sizeof(*cau_reg) + S_DS_GEN); + cau_reg = &cmd->params.rf_reg; + cau_reg->action = cpu_to_le16(cmd_action); + cau_reg->offset = cpu_to_le16((u16)reg_rw->offset); + cau_reg->value = (u8)reg_rw->value; + break; + } + case HOST_CMD_802_11_EEPROM_ACCESS: + { + struct nxpwifi_ds_read_eeprom *rd_eeprom = data_buf; + struct host_cmd_ds_802_11_eeprom_access *cmd_eeprom = + &cmd->params.eeprom; + + cmd->size = cpu_to_le16(sizeof(*cmd_eeprom) + S_DS_GEN); + cmd_eeprom->action = cpu_to_le16(cmd_action); + cmd_eeprom->offset = cpu_to_le16(rd_eeprom->offset); + cmd_eeprom->byte_count = cpu_to_le16(rd_eeprom->byte_count); + cmd_eeprom->value = 0; + break; + } + default: + return -EINVAL; + } + + return 0; +} + +static int +nxpwifi_ret_sta_reg_access(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_ds_reg_rw *reg_rw; + struct nxpwifi_ds_read_eeprom *eeprom; + union reg { + struct host_cmd_ds_mac_reg_access *mac; + struct host_cmd_ds_bbp_reg_access *bbp; + struct host_cmd_ds_rf_reg_access *rf; + struct host_cmd_ds_pmic_reg_access *pmic; + struct host_cmd_ds_802_11_eeprom_access *eeprom; + } r; + + if (!data_buf) + return 0; + + reg_rw = data_buf; + eeprom = data_buf; + switch (cmdresp_no) { + case HOST_CMD_MAC_REG_ACCESS: + r.mac = &resp->params.mac_reg; + reg_rw->offset = (u32)le16_to_cpu(r.mac->offset); + reg_rw->value = le32_to_cpu(r.mac->value); + break; + case HOST_CMD_BBP_REG_ACCESS: + r.bbp = &resp->params.bbp_reg; + reg_rw->offset = (u32)le16_to_cpu(r.bbp->offset); + reg_rw->value = (u32)r.bbp->value; + break; + + case HOST_CMD_RF_REG_ACCESS: + r.rf = &resp->params.rf_reg; + reg_rw->offset = (u32)le16_to_cpu(r.rf->offset); + reg_rw->value = (u32)r.bbp->value; + break; + case HOST_CMD_PMIC_REG_ACCESS: + r.pmic = &resp->params.pmic_reg; + reg_rw->offset = (u32)le16_to_cpu(r.pmic->offset); + reg_rw->value = (u32)r.pmic->value; + break; + case HOST_CMD_CAU_REG_ACCESS: + r.rf = &resp->params.rf_reg; + reg_rw->offset = (u32)le16_to_cpu(r.rf->offset); + reg_rw->value = (u32)r.rf->value; + break; + case HOST_CMD_802_11_EEPROM_ACCESS: + r.eeprom = &resp->params.eeprom; + pr_debug("info: EEPROM read len=%x\n", + le16_to_cpu(r.eeprom->byte_count)); + if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) { + eeprom->byte_count = 0; + pr_debug("info: EEPROM read length is too big\n"); + return -ENOMEM; + } + eeprom->offset = le16_to_cpu(r.eeprom->offset); + eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count); + if (eeprom->byte_count > 0) + memcpy(&eeprom->value, &r.eeprom->value, + min((u16)MAX_EEPROM_DATA, eeprom->byte_count)); + break; + default: + return -EINVAL; + } + return 0; +} + +static int +nxpwifi_cmd_sta_rf_tx_pwr(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_rf_tx_pwr *txp = &cmd->params.txp; + + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_tx_pwr) + + S_DS_GEN); + cmd->command = cpu_to_le16(HOST_CMD_RF_TX_PWR); + txp->action = cpu_to_le16(cmd_action); + + return 0; +} + +static int +nxpwifi_ret_sta_rf_tx_pwr(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp; + u16 action = le16_to_cpu(txp->action); + + priv->tx_power_level = le16_to_cpu(txp->cur_level); + + if (action == HOST_ACT_GEN_GET) { + priv->max_tx_power_level = txp->max_power; + priv->min_tx_power_level = txp->min_power; + } + + nxpwifi_dbg(priv->adapter, INFO, + "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n", + priv->tx_power_level, priv->max_tx_power_level, + priv->min_tx_power_level); + + return 0; +} + +static int +nxpwifi_cmd_sta_rf_antenna(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_rf_ant_mimo *ant_mimo = &cmd->params.ant_mimo; + struct host_cmd_ds_rf_ant_siso *ant_siso = &cmd->params.ant_siso; + struct nxpwifi_ds_ant_cfg *ant_cfg = + (struct nxpwifi_ds_ant_cfg *)data_buf; + + cmd->command = cpu_to_le16(HOST_CMD_RF_ANTENNA); + + switch (cmd_action) { + case HOST_ACT_GEN_SET: + if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) { + cmd->size = cpu_to_le16(sizeof(struct + host_cmd_ds_rf_ant_mimo) + + S_DS_GEN); + ant_mimo->action_tx = cpu_to_le16(HOST_ACT_SET_TX); + ant_mimo->tx_ant_mode = + cpu_to_le16((u16)ant_cfg->tx_ant); + ant_mimo->action_rx = cpu_to_le16(HOST_ACT_SET_RX); + ant_mimo->rx_ant_mode = + cpu_to_le16((u16)ant_cfg->rx_ant); + } else { + cmd->size = cpu_to_le16(sizeof(struct + host_cmd_ds_rf_ant_siso) + + S_DS_GEN); + ant_siso->action = cpu_to_le16(HOST_ACT_SET_BOTH); + ant_siso->ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant); + } + break; + case HOST_ACT_GEN_GET: + if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) { + cmd->size = cpu_to_le16(sizeof(struct + host_cmd_ds_rf_ant_mimo) + + S_DS_GEN); + ant_mimo->action_tx = cpu_to_le16(HOST_ACT_GET_TX); + ant_mimo->action_rx = cpu_to_le16(HOST_ACT_GET_RX); + } else { + cmd->size = cpu_to_le16(sizeof(struct + host_cmd_ds_rf_ant_siso) + + S_DS_GEN); + ant_siso->action = cpu_to_le16(HOST_ACT_GET_BOTH); + } + break; + } + return 0; +} + +static int +nxpwifi_ret_sta_rf_antenna(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo; + struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso; + struct nxpwifi_adapter *adapter = priv->adapter; + + if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) { + priv->tx_ant = le16_to_cpu(ant_mimo->tx_ant_mode); + priv->rx_ant = le16_to_cpu(ant_mimo->rx_ant_mode); + nxpwifi_dbg(adapter, INFO, + "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x\t" + "Rx action = 0x%x, Rx Mode = 0x%04x\n", + le16_to_cpu(ant_mimo->action_tx), + le16_to_cpu(ant_mimo->tx_ant_mode), + le16_to_cpu(ant_mimo->action_rx), + le16_to_cpu(ant_mimo->rx_ant_mode)); + } else { + priv->tx_ant = le16_to_cpu(ant_siso->ant_mode); + priv->rx_ant = le16_to_cpu(ant_siso->ant_mode); + nxpwifi_dbg(adapter, INFO, + "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n", + le16_to_cpu(ant_siso->action), + le16_to_cpu(ant_siso->ant_mode)); + } + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_deauthenticate(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_802_11_deauthenticate *deauth = &cmd->params.deauth; + u8 *mac = (u8 *)data_buf; + + cmd->command = cpu_to_le16(HOST_CMD_802_11_DEAUTHENTICATE); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_deauthenticate) + + S_DS_GEN); + + /* Set AP MAC address */ + memcpy(deauth->mac_addr, mac, ETH_ALEN); + + nxpwifi_dbg(priv->adapter, CMD, "cmd: Deauth: %pM\n", deauth->mac_addr); + + deauth->reason_code = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING); + + return 0; +} + +static int +nxpwifi_ret_sta_802_11_deauthenticate(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->dbg.num_cmd_deauth++; + if (!memcmp(resp->params.deauth.mac_addr, + &priv->curr_bss_params.bss_descriptor.mac_address, + sizeof(resp->params.deauth.mac_addr))) + nxpwifi_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING, + false); + + return 0; +} + +static int +nxpwifi_cmd_sta_mac_control(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl; + u32 *action = (u32 *)data_buf; + + if (cmd_action != HOST_ACT_GEN_SET) { + nxpwifi_dbg(priv->adapter, ERROR, + "mac_control: only support set cmd\n"); + return -EINVAL; + } + + cmd->command = cpu_to_le16(HOST_CMD_MAC_CONTROL); + cmd->size = + cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN); + mac_ctrl->action = cpu_to_le32(*action); + + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_mac_address(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(HOST_CMD_802_11_MAC_ADDRESS); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_mac_address) + + S_DS_GEN); + cmd->result = 0; + + cmd->params.mac_addr.action = cpu_to_le16(cmd_action); + + if (cmd_action == HOST_ACT_GEN_SET) + memcpy(cmd->params.mac_addr.mac_addr, priv->curr_addr, + ETH_ALEN); + + return 0; +} + +static int +nxpwifi_ret_sta_802_11_mac_address(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_802_11_mac_address *cmd_mac_addr; + + cmd_mac_addr = &resp->params.mac_addr; + + memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN); + + nxpwifi_dbg(priv->adapter, INFO, + "info: set mac address: %pM\n", priv->curr_addr); + + return 0; +} + +static int +nxpwifi_cmd_sta_802_11d_domain_info(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_802_11d_domain_info *domain_info = + &cmd->params.domain_info; + struct nxpwifi_ietypes_domain_param_set *domain = + &domain_info->domain; + struct nxpwifi_ietypes_domain_code *domain_code; + u8 no_of_triplet = adapter->domain_reg.no_of_triplet; + int triplet_size; + + nxpwifi_dbg(adapter, INFO, + "info: 11D: no_of_triplet=0x%x\n", no_of_triplet); + + cmd->command = cpu_to_le16(HOST_CMD_802_11D_DOMAIN_INFO); + cmd->size = cpu_to_le16(S_DS_GEN); + domain_info->action = cpu_to_le16(cmd_action); + le16_unaligned_add_cpu(&cmd->size, sizeof(domain_info->action)); + + if (cmd_action == HOST_ACT_GEN_GET) + return 0; + + triplet_size = no_of_triplet * + sizeof(struct ieee80211_country_ie_triplet); + + domain->header.type = cpu_to_le16(WLAN_EID_COUNTRY); + domain->header.len = + cpu_to_le16(sizeof(domain->country_code) + triplet_size); + memcpy(domain->country_code, adapter->domain_reg.country_code, + sizeof(domain->country_code)); + if (no_of_triplet) + memcpy(domain->triplet, adapter->domain_reg.triplet, + triplet_size); + le16_unaligned_add_cpu(&cmd->size, sizeof(*domain) + triplet_size); + + domain_code = (struct nxpwifi_ietypes_domain_code *)((u8 *)cmd + + le16_to_cpu(cmd->size)); + domain_code->header.type = cpu_to_le16(TLV_TYPE_REGION_DOMAIN_CODE); + domain_code->header.len = + cpu_to_le16(sizeof(*domain_code) - + sizeof(struct nxpwifi_ie_types_header)); + le16_unaligned_add_cpu(&cmd->size, sizeof(*domain_code)); + + return 0; +} + +static int +nxpwifi_ret_sta_802_11d_domain_info(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_802_11d_domain_info_rsp *domain_info = + &resp->params.domain_info_resp; + struct nxpwifi_ietypes_domain_param_set *domain = &domain_info->domain; + u16 action = le16_to_cpu(domain_info->action); + u8 no_of_triplet; + + no_of_triplet = (u8)((le16_to_cpu(domain->header.len) + - IEEE80211_COUNTRY_STRING_LEN) + / sizeof(struct ieee80211_country_ie_triplet)); + + nxpwifi_dbg(priv->adapter, INFO, + "info: 11D Domain Info Resp: no_of_triplet=%d\n", + no_of_triplet); + + if (no_of_triplet > NXPWIFI_MAX_TRIPLET_802_11D) { + nxpwifi_dbg(priv->adapter, FATAL, + "11D: invalid number of triplets %d returned\n", + no_of_triplet); + return -EINVAL; + } + + switch (action) { + case HOST_ACT_GEN_SET: /* Proc Set Action */ + break; + case HOST_ACT_GEN_GET: + break; + default: + nxpwifi_dbg(priv->adapter, ERROR, + "11D: invalid action:%d\n", domain_info->action); + return -EINVAL; + } + + return 0; +} + +static int nxpwifi_set_aes_key(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + struct nxpwifi_ds_encrypt_key *enc_key, + struct host_cmd_ds_802_11_key_material *km) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u16 size, len = KEY_PARAMS_FIXED_LEN; + u8 key_type, key_type_igtk; + + if (enc_key->key_len == WLAN_KEY_LEN_CCMP) { + key_type = KEY_TYPE_ID_AES; + key_type_igtk = KEY_TYPE_ID_AES_CMAC; + } else { + key_type = KEY_TYPE_ID_GCMP_256; + key_type_igtk = KEY_TYPE_ID_BIP_GMAC_256; + } + + if (enc_key->is_igtk_key) { + km->key_param_set.key_info &= cpu_to_le16(~KEY_MCAST); + km->key_param_set.key_info |= cpu_to_le16(KEY_IGTK); + km->key_param_set.key_type = key_type_igtk; + if (enc_key->key_len == WLAN_KEY_LEN_CCMP) { + nxpwifi_dbg(adapter, INFO, + "%s: Set CMAC AES Key\n", __func__); + if (enc_key->is_rx_seq_valid) + memcpy(km->key_param_set.key_params.cmac_aes.ipn, + enc_key->pn, enc_key->pn_len); + km->key_param_set.key_params.cmac_aes.key_len = + cpu_to_le16(enc_key->key_len); + memcpy(km->key_param_set.key_params.cmac_aes.key, + enc_key->key_material, enc_key->key_len); + len += sizeof(struct nxpwifi_cmac_aes_param); + } else { + nxpwifi_dbg(adapter, INFO, + "%s: Set GMAC AES Key\n", __func__); + if (enc_key->is_rx_seq_valid) + memcpy(km->key_param_set.key_params.gmac_aes.ipn, + enc_key->pn, enc_key->pn_len); + km->key_param_set.key_params.gmac_aes.key_len = + cpu_to_le16(enc_key->key_len); + memcpy(km->key_param_set.key_params.gmac_aes.key, + enc_key->key_material, enc_key->key_len); + len += sizeof(struct nxpwifi_gmac_aes_param); + } + } else if (enc_key->is_igtk_def_key) { + nxpwifi_dbg(adapter, INFO, + "%s: Set CMAC default Key index\n", __func__); + km->key_param_set.key_type = key_type_igtk; + km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK; + } else { + nxpwifi_dbg(adapter, INFO, + "%s: Set AES Key\n", __func__); + if (enc_key->is_rx_seq_valid) + memcpy(km->key_param_set.key_params.aes.pn, + enc_key->pn, enc_key->pn_len); + km->key_param_set.key_type = key_type; + km->key_param_set.key_params.aes.key_len = + cpu_to_le16(enc_key->key_len); + memcpy(km->key_param_set.key_params.aes.key, + enc_key->key_material, enc_key->key_len); + len += sizeof(struct nxpwifi_aes_param); + } + + km->key_param_set.len = cpu_to_le16(len); + size = len + sizeof(struct nxpwifi_ie_types_header) + + sizeof(km->action) + S_DS_GEN; + cmd->size = cpu_to_le16(size); + + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_key_material(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ds_encrypt_key *enc_key = + (struct nxpwifi_ds_encrypt_key *)data_buf; + u8 *mac = enc_key->mac_addr; + u16 key_info, len = KEY_PARAMS_FIXED_LEN; + struct host_cmd_ds_802_11_key_material *km = + &cmd->params.key_material; + + cmd->command = cpu_to_le16(HOST_CMD_802_11_KEY_MATERIAL); + km->action = cpu_to_le16(cmd_action); + + if (cmd_action == HOST_ACT_GEN_GET) { + nxpwifi_dbg(adapter, INFO, "%s: Get key\n", __func__); + km->key_param_set.key_idx = + enc_key->key_index & KEY_INDEX_MASK; + km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2); + km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN); + ether_addr_copy(km->key_param_set.mac_addr, mac); + + if (enc_key->key_index & NXPWIFI_KEY_INDEX_UNICAST) + key_info = KEY_UNICAST; + else + key_info = KEY_MCAST; + + if (enc_key->is_igtk_key) + key_info |= KEY_IGTK; + + km->key_param_set.key_info = cpu_to_le16(key_info); + + cmd->size = cpu_to_le16(sizeof(struct nxpwifi_ie_types_header) + + S_DS_GEN + KEY_PARAMS_FIXED_LEN + + sizeof(km->action)); + return 0; + } + + memset(&km->key_param_set, 0, + sizeof(struct nxpwifi_ie_type_key_param_set)); + + if (enc_key->key_disable) { + nxpwifi_dbg(adapter, INFO, "%s: Remove key\n", __func__); + km->action = cpu_to_le16(HOST_ACT_GEN_REMOVE); + km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2); + km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN); + km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK; + key_info = KEY_MCAST | KEY_UNICAST; + km->key_param_set.key_info = cpu_to_le16(key_info); + ether_addr_copy(km->key_param_set.mac_addr, mac); + cmd->size = cpu_to_le16(sizeof(struct nxpwifi_ie_types_header) + + S_DS_GEN + KEY_PARAMS_FIXED_LEN + + sizeof(km->action)); + return 0; + } + + km->action = cpu_to_le16(HOST_ACT_GEN_SET); + km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK; + km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2); + key_info = KEY_ENABLED; + ether_addr_copy(km->key_param_set.mac_addr, mac); + + if (enc_key->key_len <= WLAN_KEY_LEN_WEP104) { + nxpwifi_dbg(adapter, INFO, "%s: Set WEP Key\n", __func__); + len += sizeof(struct nxpwifi_wep_param); + km->key_param_set.len = cpu_to_le16(len); + km->key_param_set.key_type = KEY_TYPE_ID_WEP; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + key_info |= KEY_MCAST | KEY_UNICAST; + } else { + if (enc_key->is_current_wep_key) { + key_info |= KEY_MCAST | KEY_UNICAST; + if (km->key_param_set.key_idx == + (priv->wep_key_curr_index & KEY_INDEX_MASK)) + key_info |= KEY_DEFAULT; + } else { + if (is_broadcast_ether_addr(mac)) + key_info |= KEY_MCAST; + else + key_info |= KEY_UNICAST | KEY_DEFAULT; + } + } + km->key_param_set.key_info = cpu_to_le16(key_info); + + km->key_param_set.key_params.wep.key_len = + cpu_to_le16(enc_key->key_len); + memcpy(km->key_param_set.key_params.wep.key, + enc_key->key_material, enc_key->key_len); + + cmd->size = cpu_to_le16(sizeof(struct nxpwifi_ie_types_header) + + len + sizeof(km->action) + S_DS_GEN); + return 0; + } + + if (is_broadcast_ether_addr(mac)) + key_info |= KEY_MCAST | KEY_RX_KEY; + else + key_info |= KEY_UNICAST | KEY_TX_KEY | KEY_RX_KEY; + + /* Enable default key for WPA/WPA2 */ + if (!priv->wpa_is_gtk_set) + key_info |= KEY_DEFAULT; + + km->key_param_set.key_info = cpu_to_le16(key_info); + + if (enc_key->key_cipher != WLAN_CIPHER_SUITE_TKIP && + enc_key->key_len >= WLAN_KEY_LEN_CCMP) + return nxpwifi_set_aes_key(priv, cmd, enc_key, km); + + if (enc_key->key_len == WLAN_KEY_LEN_TKIP) { + nxpwifi_dbg(adapter, INFO, + "%s: Set TKIP Key\n", __func__); + if (enc_key->is_rx_seq_valid) + memcpy(km->key_param_set.key_params.tkip.pn, + enc_key->pn, enc_key->pn_len); + km->key_param_set.key_type = KEY_TYPE_ID_TKIP; + km->key_param_set.key_params.tkip.key_len = + cpu_to_le16(enc_key->key_len); + memcpy(km->key_param_set.key_params.tkip.key, + enc_key->key_material, enc_key->key_len); + + len += sizeof(struct nxpwifi_tkip_param); + km->key_param_set.len = cpu_to_le16(len); + cmd->size = cpu_to_le16(sizeof(struct nxpwifi_ie_types_header) + + len + sizeof(km->action) + S_DS_GEN); + } + + return 0; +} + +static int +nxpwifi_ret_sta_802_11_key_material(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_802_11_key_material *key; + int len; + + key = &resp->params.key_material; + + len = le16_to_cpu(key->key_param_set.key_params.aes.key_len); + if (len > sizeof(key->key_param_set.key_params.aes.key)) + return -EINVAL; + + if (le16_to_cpu(key->action) == HOST_ACT_GEN_SET) { + if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) { + nxpwifi_dbg(priv->adapter, INFO, + "info: key: GTK is set\n"); + priv->wpa_is_gtk_set = true; + priv->scan_block = false; + priv->port_open = true; + } + } + + if (key->key_param_set.key_type != KEY_TYPE_ID_AES && + key->key_param_set.key_type != KEY_TYPE_ID_GCMP_256) + return 0; + + memset(priv->aes_key.key_param_set.key_params.aes.key, 0, + sizeof(key->key_param_set.key_params.aes.key)); + priv->aes_key.key_param_set.key_params.aes.key_len = cpu_to_le16(len); + memcpy(priv->aes_key.key_param_set.key_params.aes.key, + key->key_param_set.key_params.aes.key, len); + + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_bg_scan_config(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_802_11_bg_scan_config(priv, cmd, data_buf); +} + +static int +nxpwifi_cmd_sta_802_11_bg_scan_query(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_802_11_bg_scan_query(cmd); +} + +static int +nxpwifi_ret_sta_802_11_bg_scan_query(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + + ret = nxpwifi_ret_802_11_scan(priv, resp); + cfg80211_sched_scan_results(priv->wdev.wiphy, 0); + nxpwifi_dbg(adapter, CMD, + "info: CMD_RESP: BG_SCAN result is ready!\n"); + + return ret; +} + +static int +nxpwifi_cmd_sta_wmm_get_status(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(HOST_CMD_WMM_GET_STATUS); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_wmm_get_status) + + S_DS_GEN); + + return 0; +} + +static int +nxpwifi_ret_sta_wmm_get_status(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + return nxpwifi_ret_wmm_get_status(priv, resp); +} + +static int +nxpwifi_cmd_sta_802_11_subsc_evt(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt; + struct nxpwifi_ds_misc_subsc_evt *subsc_evt_cfg = + (struct nxpwifi_ds_misc_subsc_evt *)data_buf; + struct nxpwifi_ie_types_rssi_threshold *rssi_tlv; + u16 event_bitmap; + u8 *pos; + + cmd->command = cpu_to_le16(HOST_CMD_802_11_SUBSCRIBE_EVENT); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) + + S_DS_GEN); + + subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action); + nxpwifi_dbg(priv->adapter, CMD, + "cmd: action: %d\n", subsc_evt_cfg->action); + + /* For query requests, no configuration TLV structures are to be added. */ + if (subsc_evt_cfg->action == HOST_ACT_GEN_GET) + return 0; + + subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events); + + event_bitmap = subsc_evt_cfg->events; + nxpwifi_dbg(priv->adapter, CMD, "cmd: event bitmap : %16x\n", + event_bitmap); + + if ((subsc_evt_cfg->action == HOST_ACT_BITWISE_CLR || + subsc_evt_cfg->action == HOST_ACT_BITWISE_SET) && + event_bitmap == 0) { + nxpwifi_dbg(priv->adapter, ERROR, + "Error: No event specified\t" + "for bitwise action type\n"); + return -EINVAL; + } + + /* + * Append TLV structures for each of the specified events for + * subscribing or re-configuring. This is not required for + * bitwise unsubscribing request. + */ + if (subsc_evt_cfg->action == HOST_ACT_BITWISE_CLR) + return 0; + + pos = ((u8 *)subsc_evt) + + sizeof(struct host_cmd_ds_802_11_subsc_evt); + + if (event_bitmap & BITMASK_BCN_RSSI_LOW) { + rssi_tlv = (struct nxpwifi_ie_types_rssi_threshold *)pos; + + rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW); + rssi_tlv->header.len = + cpu_to_le16(sizeof(struct nxpwifi_ie_types_rssi_threshold) - + sizeof(struct nxpwifi_ie_types_header)); + rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value; + rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq; + + nxpwifi_dbg(priv->adapter, EVENT, + "Cfg Beacon Low Rssi event,\t" + "RSSI:-%d dBm, Freq:%d\n", + subsc_evt_cfg->bcn_l_rssi_cfg.abs_value, + subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq); + + pos += sizeof(struct nxpwifi_ie_types_rssi_threshold); + le16_unaligned_add_cpu + (&cmd->size, + sizeof(struct nxpwifi_ie_types_rssi_threshold)); + } + + if (event_bitmap & BITMASK_BCN_RSSI_HIGH) { + rssi_tlv = (struct nxpwifi_ie_types_rssi_threshold *)pos; + + rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH); + rssi_tlv->header.len = + cpu_to_le16(sizeof(struct nxpwifi_ie_types_rssi_threshold) - + sizeof(struct nxpwifi_ie_types_header)); + rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value; + rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq; + + nxpwifi_dbg(priv->adapter, EVENT, + "Cfg Beacon High Rssi event,\t" + "RSSI:-%d dBm, Freq:%d\n", + subsc_evt_cfg->bcn_h_rssi_cfg.abs_value, + subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq); + + pos += sizeof(struct nxpwifi_ie_types_rssi_threshold); + le16_unaligned_add_cpu + (&cmd->size, + sizeof(struct nxpwifi_ie_types_rssi_threshold)); + } + + return 0; +} + +static int +nxpwifi_ret_sta_subsc_evt(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event = + &resp->params.subsc_evt; + + /* + * For every subscribe event command (Get/Set/Clear), FW reports the current + * set of subscribed events + */ + nxpwifi_dbg(priv->adapter, EVENT, + "Bitmap of currently subscribed events: %16x\n", + le16_to_cpu(cmd_sub_event->events)); + + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_tx_rate_query(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(HOST_CMD_802_11_TX_RATE_QUERY); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_tx_rate_query) + + S_DS_GEN); + priv->tx_rate = 0; + + return 0; +} + +static int +nxpwifi_ret_sta_802_11_tx_rate_query(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + priv->tx_rate = resp->params.tx_rate.tx_rate; + priv->tx_htinfo = resp->params.tx_rate.ht_info; + if (!priv->is_data_rate_auto) + priv->data_rate = + nxpwifi_index_to_data_rate(priv, priv->tx_rate, + priv->tx_htinfo); + + return 0; +} + +static int +nxpwifi_cmd_sta_mem_access(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct nxpwifi_ds_mem_rw *mem_rw = + (struct nxpwifi_ds_mem_rw *)data_buf; + struct host_cmd_ds_mem_access *mem_access = (void *)&cmd->params.mem; + + cmd->command = cpu_to_le16(HOST_CMD_MEM_ACCESS); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mem_access) + + S_DS_GEN); + + mem_access->action = cpu_to_le16(cmd_action); + mem_access->addr = cpu_to_le32(mem_rw->addr); + mem_access->value = cpu_to_le32(mem_rw->value); + + return 0; +} + +static int +nxpwifi_ret_sta_mem_access(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_mem_access *mem = (void *)&resp->params.mem; + + priv->mem_rw.addr = le32_to_cpu(mem->addr); + priv->mem_rw.value = le32_to_cpu(mem->value); + + return 0; +} + +static u32 nxpwifi_parse_cal_cfg(u8 *src, size_t len, u8 *dst) +{ + u8 *s = src, *d = dst; + + while (s - src < len) { + if (*s && (isspace(*s) || *s == '\t')) { + s++; + continue; + } + if (isxdigit(*s)) { + if (kstrtou8(s, 16, d)) + return 0; + d++; + s += 2; + } else { + s++; + } + } + + return d - dst; +} + +static int +nxpwifi_cmd_sta_cfg_data(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u32 len; + u8 *data = (u8 *)cmd + S_DS_GEN; + + if (adapter->cal_data->data && adapter->cal_data->size > 0) { + len = nxpwifi_parse_cal_cfg((u8 *)adapter->cal_data->data, + adapter->cal_data->size, data); + nxpwifi_dbg(adapter, INFO, + "download cfg_data from config file\n"); + } else { + return -EINVAL; + } + + cmd->command = cpu_to_le16(HOST_CMD_CFG_DATA); + cmd->size = cpu_to_le16(S_DS_GEN + len); + + return 0; +} + +static int +nxpwifi_ret_sta_cfg_data(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + if (resp->result != HOST_RESULT_OK) { + nxpwifi_dbg(priv->adapter, ERROR, "Cal data cmd resp failed\n"); + return -EINVAL; + } + + return 0; +} + +static int +nxpwifi_cmd_sta_ver_ext(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(cmd_no); + cmd->params.verext.version_str_sel = + (u8)(get_unaligned((u32 *)data_buf)); + memcpy(&cmd->params, data_buf, sizeof(struct host_cmd_ds_version_ext)); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_version_ext) + + S_DS_GEN); + + return 0; +} + +static int +nxpwifi_ret_sta_ver_ext(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext; + struct host_cmd_ds_version_ext *version_ext = + (struct host_cmd_ds_version_ext *)data_buf; + + if (test_and_clear_bit(NXPWIFI_IS_REQUESTING_FW_VEREXT, &priv->adapter->work_flags)) { + if (strncmp(ver_ext->version_str, "ChipRev:20, BB:9b(10.00), RF:40(21)", + NXPWIFI_VERSION_STR_LENGTH) == 0) { + struct nxpwifi_ds_auto_ds auto_ds = { + .auto_ds = DEEP_SLEEP_OFF, + }; + + nxpwifi_dbg(priv->adapter, MSG, + "Bad HW revision detected, disabling deep sleep\n"); + + if (nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH, + DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, false)) { + nxpwifi_dbg(priv->adapter, MSG, + "Disabling deep sleep failed.\n"); + } + } + + return 0; + } + + if (version_ext) { + version_ext->version_str_sel = ver_ext->version_str_sel; + memcpy(version_ext->version_str, ver_ext->version_str, + NXPWIFI_VERSION_STR_LENGTH); + memcpy(priv->version_str, ver_ext->version_str, + NXPWIFI_VERSION_STR_LENGTH); + + /* Ensure the version string from the firmware is 0-terminated */ + priv->version_str[NXPWIFI_VERSION_STR_LENGTH - 1] = '\0'; + } + return 0; +} + +static int +nxpwifi_cmd_append_rpn_expression(struct nxpwifi_private *priv, + struct nxpwifi_mef_entry *mef_entry, + u8 **buffer) +{ + struct nxpwifi_mef_filter *filter = mef_entry->filter; + int i, byte_len; + u8 *stack_ptr = *buffer; + + for (i = 0; i < NXPWIFI_MEF_MAX_FILTERS; i++) { + filter = &mef_entry->filter[i]; + if (!filter->filt_type) + break; + put_unaligned_le32((u32)filter->repeat, stack_ptr); + stack_ptr += 4; + *stack_ptr = TYPE_DNUM; + stack_ptr += 1; + + byte_len = filter->byte_seq[NXPWIFI_MEF_MAX_BYTESEQ]; + memcpy(stack_ptr, filter->byte_seq, byte_len); + stack_ptr += byte_len; + *stack_ptr = byte_len; + stack_ptr += 1; + *stack_ptr = TYPE_BYTESEQ; + stack_ptr += 1; + put_unaligned_le32((u32)filter->offset, stack_ptr); + stack_ptr += 4; + *stack_ptr = TYPE_DNUM; + stack_ptr += 1; + + *stack_ptr = filter->filt_type; + stack_ptr += 1; + + if (filter->filt_action) { + *stack_ptr = filter->filt_action; + stack_ptr += 1; + } + + if (stack_ptr - *buffer > STACK_NBYTES) + return -ENOMEM; + } + + *buffer = stack_ptr; + return 0; +} + +static int +nxpwifi_cmd_sta_mef_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_mef_cfg *mef_cfg = &cmd->params.mef_cfg; + struct nxpwifi_ds_mef_cfg *mef = + (struct nxpwifi_ds_mef_cfg *)data_buf; + struct nxpwifi_fw_mef_entry *mef_entry = NULL; + u8 *pos = (u8 *)mef_cfg; + u16 i; + int ret = 0; + + cmd->command = cpu_to_le16(HOST_CMD_MEF_CFG); + + mef_cfg->criteria = cpu_to_le32(mef->criteria); + mef_cfg->num_entries = cpu_to_le16(mef->num_entries); + pos += sizeof(*mef_cfg); + + for (i = 0; i < mef->num_entries; i++) { + mef_entry = (struct nxpwifi_fw_mef_entry *)pos; + mef_entry->mode = mef->mef_entry[i].mode; + mef_entry->action = mef->mef_entry[i].action; + pos += sizeof(*mef_entry); + + ret = nxpwifi_cmd_append_rpn_expression(priv, + &mef->mef_entry[i], + &pos); + if (ret) + return ret; + + mef_entry->exprsize = + cpu_to_le16(pos - mef_entry->expr); + } + cmd->size = cpu_to_le16((u16)(pos - (u8 *)mef_cfg) + S_DS_GEN); + + return ret; +} + +static int +nxpwifi_cmd_sta_802_11_rssi_info(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(HOST_CMD_RSSI_INFO); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) + + S_DS_GEN); + cmd->params.rssi_info.action = cpu_to_le16(cmd_action); + cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor); + cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor); + + /* Reset SNR/NF/RSSI values in private structure */ + priv->data_rssi_last = 0; + priv->data_nf_last = 0; + priv->data_rssi_avg = 0; + priv->data_nf_avg = 0; + priv->bcn_rssi_last = 0; + priv->bcn_nf_last = 0; + priv->bcn_rssi_avg = 0; + priv->bcn_nf_avg = 0; + + return 0; +} + +static int +nxpwifi_ret_sta_802_11_rssi_info(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp = + &resp->params.rssi_info_rsp; + struct nxpwifi_ds_misc_subsc_evt *subsc_evt = + &priv->async_subsc_evt_storage; + + priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last); + priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last); + + priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg); + priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg); + + priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last); + priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last); + + priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg); + priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg); + + if (priv->subsc_evt_rssi_state == EVENT_HANDLED) + return 0; + + memset(subsc_evt, 0x00, sizeof(struct nxpwifi_ds_misc_subsc_evt)); + + /* Resubscribe low and high rssi events with new thresholds */ + subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; + subsc_evt->action = HOST_ACT_BITWISE_SET; + if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) { + subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg - + priv->cqm_rssi_hyst); + subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold); + } else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) { + subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold); + subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg + + priv->cqm_rssi_hyst); + } + subsc_evt->bcn_l_rssi_cfg.evt_freq = 1; + subsc_evt->bcn_h_rssi_cfg.evt_freq = 1; + + priv->subsc_evt_rssi_state = EVENT_HANDLED; + + nxpwifi_send_cmd(priv, HOST_CMD_802_11_SUBSCRIBE_EVENT, + 0, 0, subsc_evt, false); + + return 0; +} + +static int +nxpwifi_cmd_sta_func_init(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + if (priv->adapter->hw_status == NXPWIFI_HW_STATUS_RESET) + priv->adapter->hw_status = NXPWIFI_HW_STATUS_READY; + cmd->command = cpu_to_le16(cmd_no); + cmd->size = cpu_to_le16(S_DS_GEN); + + return 0; +} + +static int +nxpwifi_cmd_sta_func_shutdown(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + priv->adapter->hw_status = NXPWIFI_HW_STATUS_RESET; + cmd->command = cpu_to_le16(cmd_no); + cmd->size = cpu_to_le16(S_DS_GEN); + + return 0; +} + +static int +nxpwifi_cmd_sta_11n_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_11n_cfg(priv, cmd, cmd_action, data_buf); +} + +static int +nxpwifi_cmd_sta_11n_addba_req(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_11n_addba_req(cmd, data_buf); +} + +static int +nxpwifi_ret_sta_11n_addba_req(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + return nxpwifi_ret_11n_addba_req(priv, resp); +} + +static int +nxpwifi_cmd_sta_11n_addba_rsp(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_11n_addba_rsp_gen(priv, cmd, data_buf); +} + +static int +nxpwifi_ret_sta_11n_addba_rsp(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + return nxpwifi_ret_11n_addba_resp(priv, resp); +} + +static int +nxpwifi_cmd_sta_11n_delba(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_11n_delba(cmd, data_buf); +} + +static int +nxpwifi_ret_sta_11n_delba(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + return nxpwifi_ret_11n_delba(priv, resp); +} + +static int +nxpwifi_cmd_sta_tx_power_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct nxpwifi_types_power_group *pg_tlv; + struct host_cmd_ds_txpwr_cfg *cmd_txp_cfg = &cmd->params.txp_cfg; + struct host_cmd_ds_txpwr_cfg *txp = + (struct host_cmd_ds_txpwr_cfg *)data_buf; + + cmd->command = cpu_to_le16(HOST_CMD_TXPWR_CFG); + cmd->size = + cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_txpwr_cfg)); + switch (cmd_action) { + case HOST_ACT_GEN_SET: + if (txp->mode) { + pg_tlv = (struct nxpwifi_types_power_group + *)((unsigned long)txp + + sizeof(struct host_cmd_ds_txpwr_cfg)); + memmove(cmd_txp_cfg, txp, + sizeof(struct host_cmd_ds_txpwr_cfg) + + sizeof(struct nxpwifi_types_power_group) + + le16_to_cpu(pg_tlv->length)); + + pg_tlv = (struct nxpwifi_types_power_group *)((u8 *) + cmd_txp_cfg + + sizeof(struct host_cmd_ds_txpwr_cfg)); + cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + + sizeof(struct nxpwifi_types_power_group) + + le16_to_cpu(pg_tlv->length)); + } else { + memmove(cmd_txp_cfg, txp, sizeof(*txp)); + } + cmd_txp_cfg->action = cpu_to_le16(cmd_action); + break; + case HOST_ACT_GEN_GET: + cmd_txp_cfg->action = cpu_to_le16(cmd_action); + break; + } + + return 0; +} + +static int nxpwifi_get_power_level(struct nxpwifi_private *priv, void *data_buf) +{ + int length, max_power = -1, min_power = -1; + struct nxpwifi_types_power_group *pg_tlv_hdr; + struct nxpwifi_power_group *pg; + + if (!data_buf) + return -ENOMEM; + + pg_tlv_hdr = (struct nxpwifi_types_power_group *)((u8 *)data_buf); + pg = (struct nxpwifi_power_group *) + ((u8 *)pg_tlv_hdr + sizeof(struct nxpwifi_types_power_group)); + length = le16_to_cpu(pg_tlv_hdr->length); + + /* At least one structure required to update power */ + if (length < sizeof(struct nxpwifi_power_group)) + return 0; + + max_power = pg->power_max; + min_power = pg->power_min; + length -= sizeof(struct nxpwifi_power_group); + + while (length >= sizeof(struct nxpwifi_power_group)) { + pg++; + if (max_power < pg->power_max) + max_power = pg->power_max; + + if (min_power > pg->power_min) + min_power = pg->power_min; + + length -= sizeof(struct nxpwifi_power_group); + } + priv->min_tx_power_level = (u8)min_power; + priv->max_tx_power_level = (u8)max_power; + + return 0; +} + +static int +nxpwifi_ret_sta_tx_power_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg; + struct nxpwifi_types_power_group *pg_tlv_hdr; + struct nxpwifi_power_group *pg; + u16 action = le16_to_cpu(txp_cfg->action); + u16 tlv_buf_left; + + pg_tlv_hdr = (struct nxpwifi_types_power_group *) + ((u8 *)txp_cfg + + sizeof(struct host_cmd_ds_txpwr_cfg)); + + pg = (struct nxpwifi_power_group *) + ((u8 *)pg_tlv_hdr + + sizeof(struct nxpwifi_types_power_group)); + + tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg); + if (tlv_buf_left < + le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr)) + return 0; + + switch (action) { + case HOST_ACT_GEN_GET: + if (adapter->hw_status == NXPWIFI_HW_STATUS_INITIALIZING) + nxpwifi_get_power_level(priv, pg_tlv_hdr); + + priv->tx_power_level = (u16)pg->power_min; + break; + + case HOST_ACT_GEN_SET: + if (!le32_to_cpu(txp_cfg->mode)) + break; + + if (pg->power_max == pg->power_min) + priv->tx_power_level = (u16)pg->power_min; + break; + default: + nxpwifi_dbg(adapter, ERROR, + "CMD_RESP: unknown cmd action %d\n", + action); + return 0; + } + nxpwifi_dbg(adapter, INFO, + "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n", + priv->tx_power_level, priv->max_tx_power_level, + priv->min_tx_power_level); + + return 0; +} + +static int +nxpwifi_cmd_sta_tx_rate_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_tx_rate_cfg *rate_cfg = &cmd->params.tx_rate_cfg; + u16 *pbitmap_rates = (u16 *)data_buf; + struct nxpwifi_rate_scope *rate_scope; + struct nxpwifi_rate_drop_pattern *rate_drop; + u32 i; + + cmd->command = cpu_to_le16(HOST_CMD_TX_RATE_CFG); + + rate_cfg->action = cpu_to_le16(cmd_action); + rate_cfg->cfg_index = 0; + + rate_scope = (struct nxpwifi_rate_scope *)((u8 *)rate_cfg + + sizeof(struct host_cmd_ds_tx_rate_cfg)); + rate_scope->type = cpu_to_le16(TLV_TYPE_RATE_SCOPE); + rate_scope->length = cpu_to_le16 + (sizeof(*rate_scope) - sizeof(struct nxpwifi_ie_types_header)); + if (pbitmap_rates) { + rate_scope->hr_dsss_rate_bitmap = cpu_to_le16(pbitmap_rates[0]); + rate_scope->ofdm_rate_bitmap = cpu_to_le16(pbitmap_rates[1]); + for (i = 0; i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap); i++) + rate_scope->ht_mcs_rate_bitmap[i] = + cpu_to_le16(pbitmap_rates[2 + i]); + if (priv->adapter->fw_api_ver == NXPWIFI_FW_V15) { + for (i = 0; + i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap); + i++) + rate_scope->vht_mcs_rate_bitmap[i] = + cpu_to_le16(pbitmap_rates[10 + i]); + } + } else { + rate_scope->hr_dsss_rate_bitmap = + cpu_to_le16(priv->bitmap_rates[0]); + rate_scope->ofdm_rate_bitmap = + cpu_to_le16(priv->bitmap_rates[1]); + for (i = 0; i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap); i++) + rate_scope->ht_mcs_rate_bitmap[i] = + cpu_to_le16(priv->bitmap_rates[2 + i]); + if (priv->adapter->fw_api_ver == NXPWIFI_FW_V15) { + for (i = 0; + i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap); + i++) + rate_scope->vht_mcs_rate_bitmap[i] = + cpu_to_le16(priv->bitmap_rates[10 + i]); + } + } + + rate_drop = (struct nxpwifi_rate_drop_pattern *)((u8 *)rate_scope + + sizeof(struct nxpwifi_rate_scope)); + rate_drop->type = cpu_to_le16(TLV_TYPE_RATE_DROP_CONTROL); + rate_drop->length = cpu_to_le16(sizeof(rate_drop->rate_drop_mode)); + rate_drop->rate_drop_mode = 0; + + cmd->size = + cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_tx_rate_cfg) + + sizeof(struct nxpwifi_rate_scope) + + sizeof(struct nxpwifi_rate_drop_pattern)); + + return 0; +} + +static void nxpwifi_ret_rate_scope(struct nxpwifi_private *priv, u8 *tlv_buf) +{ + struct nxpwifi_rate_scope *rate_scope; + int i; + + rate_scope = (struct nxpwifi_rate_scope *)tlv_buf; + priv->bitmap_rates[0] = + le16_to_cpu(rate_scope->hr_dsss_rate_bitmap); + priv->bitmap_rates[1] = + le16_to_cpu(rate_scope->ofdm_rate_bitmap); + for (i = 0; i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap); i++) + priv->bitmap_rates[2 + i] = + le16_to_cpu(rate_scope->ht_mcs_rate_bitmap[i]); + + if (priv->adapter->fw_api_ver == NXPWIFI_FW_V15) { + for (i = 0; i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap); + i++) + priv->bitmap_rates[10 + i] = + le16_to_cpu(rate_scope->vht_mcs_rate_bitmap[i]); + } +} + +static int +nxpwifi_ret_sta_tx_rate_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg; + struct nxpwifi_ie_types_header *head; + u16 tlv, tlv_buf_len, tlv_buf_left; + u8 *tlv_buf; + + tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg); + tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg); + + while (tlv_buf_left >= sizeof(*head)) { + head = (struct nxpwifi_ie_types_header *)tlv_buf; + tlv = le16_to_cpu(head->type); + tlv_buf_len = le16_to_cpu(head->len); + + if (tlv_buf_left < (sizeof(*head) + tlv_buf_len)) + break; + + switch (tlv) { + case TLV_TYPE_RATE_SCOPE: + nxpwifi_ret_rate_scope(priv, tlv_buf); + break; + /* Add RATE_DROP tlv here */ + } + + tlv_buf += (sizeof(*head) + tlv_buf_len); + tlv_buf_left -= (sizeof(*head) + tlv_buf_len); + } + + priv->is_data_rate_auto = nxpwifi_is_rate_auto(priv); + + if (priv->is_data_rate_auto) + priv->data_rate = 0; + else + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_TX_RATE_QUERY, + HOST_ACT_GEN_GET, 0, NULL, false); + + return 0; +} + +static int +nxpwifi_cmd_sta_reconfigure_rx_buff(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_recfg_tx_buf(priv, cmd, cmd_action, data_buf); +} + +static int +nxpwifi_ret_sta_reconfigure_rx_buff(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (0xffff != (u16)le16_to_cpu(resp->params.tx_buf.buff_size)) { + adapter->tx_buf_size = + (u16)le16_to_cpu(resp->params.tx_buf.buff_size); + adapter->tx_buf_size = + (adapter->tx_buf_size / NXPWIFI_SDIO_BLOCK_SIZE) * + NXPWIFI_SDIO_BLOCK_SIZE; + adapter->curr_tx_buf_size = adapter->tx_buf_size; + nxpwifi_dbg(adapter, CMD, "cmd: curr_tx_buf_size=%d\n", + adapter->curr_tx_buf_size); + + if (adapter->if_ops.update_mp_end_port) { + u16 mp_end_port; + + mp_end_port = + le16_to_cpu(resp->params.tx_buf.mp_end_port); + adapter->if_ops.update_mp_end_port(adapter, + mp_end_port); + } + } + + return 0; +} + +static int +nxpwifi_cmd_sta_chan_report_request(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_issue_chan_report_request(priv, cmd, data_buf); +} + +static int +nxpwifi_cmd_sta_amsdu_aggr_ctrl(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_amsdu_aggr_ctrl(cmd, cmd_action, data_buf); +} + +static int +nxpwifi_cmd_sta_robust_coex(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_robust_coex *coex = &cmd->params.coex; + bool *is_timeshare = (bool *)data_buf; + struct nxpwifi_ie_types_robust_coex *coex_tlv; + + cmd->command = cpu_to_le16(HOST_CMD_ROBUST_COEX); + cmd->size = cpu_to_le16(sizeof(*coex) + sizeof(*coex_tlv) + S_DS_GEN); + + coex->action = cpu_to_le16(cmd_action); + coex_tlv = (struct nxpwifi_ie_types_robust_coex *) + ((u8 *)coex + sizeof(*coex)); + coex_tlv->header.type = cpu_to_le16(TLV_TYPE_ROBUST_COEX); + coex_tlv->header.len = cpu_to_le16(sizeof(coex_tlv->mode)); + + if (coex->action == HOST_ACT_GEN_GET) + return 0; + + if (*is_timeshare) + coex_tlv->mode = cpu_to_le32(NXPWIFI_COEX_MODE_TIMESHARE); + else + coex_tlv->mode = cpu_to_le32(NXPWIFI_COEX_MODE_SPATIAL); + + return 0; +} + +static int +nxpwifi_ret_sta_robust_coex(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_robust_coex *coex = &resp->params.coex; + bool *is_timeshare = (bool *)data_buf; + struct nxpwifi_ie_types_robust_coex *coex_tlv; + u16 action = le16_to_cpu(coex->action); + u32 mode; + + coex_tlv = (struct nxpwifi_ie_types_robust_coex + *)((u8 *)coex + sizeof(struct host_cmd_ds_robust_coex)); + if (action == HOST_ACT_GEN_GET) { + mode = le32_to_cpu(coex_tlv->mode); + if (mode == NXPWIFI_COEX_MODE_TIMESHARE) + *is_timeshare = true; + else + *is_timeshare = false; + } + + return 0; +} + +static int +nxpwifi_cmd_sta_enh_power_mode(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_802_11_ps_mode_enh *psmode_enh = + &cmd->params.psmode_enh; + u16 ps_bitmap = (u16)cmd_type; + struct nxpwifi_ds_auto_ds *auto_ds = + (struct nxpwifi_ds_auto_ds *)data_buf; + u8 *tlv; + u16 cmd_size = 0; + + cmd->command = cpu_to_le16(HOST_CMD_802_11_PS_MODE_ENH); + if (cmd_action == DIS_AUTO_PS) { + psmode_enh->action = cpu_to_le16(DIS_AUTO_PS); + psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); + cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + + sizeof(psmode_enh->params.ps_bitmap)); + } else if (cmd_action == GET_PS) { + psmode_enh->action = cpu_to_le16(GET_PS); + psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); + cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + + sizeof(psmode_enh->params.ps_bitmap)); + } else if (cmd_action == EN_AUTO_PS) { + psmode_enh->action = cpu_to_le16(EN_AUTO_PS); + psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); + cmd_size = S_DS_GEN + sizeof(psmode_enh->action) + + sizeof(psmode_enh->params.ps_bitmap); + tlv = (u8 *)cmd + cmd_size; + if (ps_bitmap & BITMAP_STA_PS) { + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ie_types_ps_param *ps_tlv = + (struct nxpwifi_ie_types_ps_param *)tlv; + struct nxpwifi_ps_param *ps_mode = &ps_tlv->param; + + ps_tlv->header.type = cpu_to_le16(TLV_TYPE_PS_PARAM); + ps_tlv->header.len = cpu_to_le16(sizeof(*ps_tlv) - + sizeof(struct nxpwifi_ie_types_header)); + cmd_size += sizeof(*ps_tlv); + tlv += sizeof(*ps_tlv); + nxpwifi_dbg(priv->adapter, CMD, + "cmd: PS Command: Enter PS\n"); + ps_mode->null_pkt_interval = + cpu_to_le16(adapter->null_pkt_interval); + ps_mode->multiple_dtims = + cpu_to_le16(adapter->multiple_dtim); + ps_mode->bcn_miss_timeout = + cpu_to_le16(adapter->bcn_miss_time_out); + ps_mode->local_listen_interval = + cpu_to_le16(adapter->local_listen_interval); + ps_mode->delay_to_ps = + cpu_to_le16(adapter->delay_to_ps); + ps_mode->mode = cpu_to_le16(adapter->enhanced_ps_mode); + } + if (ps_bitmap & BITMAP_AUTO_DS) { + struct nxpwifi_ie_types_auto_ds_param *auto_ds_tlv = + (struct nxpwifi_ie_types_auto_ds_param *)tlv; + u16 idletime = 0; + + auto_ds_tlv->header.type = + cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM); + auto_ds_tlv->header.len = + cpu_to_le16(sizeof(*auto_ds_tlv) - + sizeof(struct nxpwifi_ie_types_header)); + cmd_size += sizeof(*auto_ds_tlv); + tlv += sizeof(*auto_ds_tlv); + if (auto_ds) + idletime = auto_ds->idle_time; + nxpwifi_dbg(priv->adapter, CMD, + "cmd: PS Command: Enter Auto Deep Sleep\n"); + auto_ds_tlv->deep_sleep_timeout = cpu_to_le16(idletime); + } + cmd->size = cpu_to_le16(cmd_size); + } + return 0; +} + +static int +nxpwifi_ret_sta_enh_power_mode(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_802_11_ps_mode_enh *ps_mode = + &resp->params.psmode_enh; + struct nxpwifi_ds_pm_cfg *pm_cfg = + (struct nxpwifi_ds_pm_cfg *)data_buf; + u16 action = le16_to_cpu(ps_mode->action); + u16 ps_bitmap = le16_to_cpu(ps_mode->params.ps_bitmap); + u16 auto_ps_bitmap = + le16_to_cpu(ps_mode->params.ps_bitmap); + + nxpwifi_dbg(adapter, INFO, + "info: %s: PS_MODE cmd reply result=%#x action=%#X\n", + __func__, resp->result, action); + if (action == EN_AUTO_PS) { + if (auto_ps_bitmap & BITMAP_AUTO_DS) { + nxpwifi_dbg(adapter, CMD, + "cmd: Enabled auto deep sleep\n"); + priv->adapter->is_deep_sleep = true; + } + if (auto_ps_bitmap & BITMAP_STA_PS) { + nxpwifi_dbg(adapter, CMD, + "cmd: Enabled STA power save\n"); + if (adapter->sleep_period.period) + nxpwifi_dbg(adapter, CMD, + "cmd: set to uapsd/pps mode\n"); + } + } else if (action == DIS_AUTO_PS) { + if (ps_bitmap & BITMAP_AUTO_DS) { + priv->adapter->is_deep_sleep = false; + nxpwifi_dbg(adapter, CMD, + "cmd: Disabled auto deep sleep\n"); + } + if (ps_bitmap & BITMAP_STA_PS) { + nxpwifi_dbg(adapter, CMD, + "cmd: Disabled STA power save\n"); + if (adapter->sleep_period.period) { + adapter->delay_null_pkt = false; + adapter->tx_lock_flag = false; + adapter->pps_uapsd_mode = false; + } + } + } else if (action == GET_PS) { + if (ps_bitmap & BITMAP_STA_PS) + adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_PSP; + else + adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_CAM; + + nxpwifi_dbg(adapter, CMD, + "cmd: ps_bitmap=%#x\n", ps_bitmap); + + if (pm_cfg) { + /* This section is for get power save mode */ + if (ps_bitmap & BITMAP_STA_PS) + pm_cfg->param.ps_mode = 1; + else + pm_cfg->param.ps_mode = 0; + } + } + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_hs_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg; + struct nxpwifi_hs_config_param *hscfg_param = + (struct nxpwifi_hs_config_param *)data_buf; + u8 *tlv = (u8 *)hs_cfg + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh); + struct nxpwifi_ps_param_in_hs *psparam_tlv = NULL; + bool hs_activate = false; + u16 size; + + if (!hscfg_param) + /* New Activate command */ + hs_activate = true; + cmd->command = cpu_to_le16(HOST_CMD_802_11_HS_CFG_ENH); + + if (!hs_activate && + hscfg_param->conditions != cpu_to_le32(HS_CFG_CANCEL) && + (adapter->arp_filter_size > 0 && + adapter->arp_filter_size <= ARP_FILTER_MAX_BUF_SIZE)) { + nxpwifi_dbg(adapter, CMD, + "cmd: Attach %d bytes ArpFilter to HSCfg cmd\n", + adapter->arp_filter_size); + memcpy(((u8 *)hs_cfg) + + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh), + adapter->arp_filter, adapter->arp_filter_size); + size = adapter->arp_filter_size + + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh) + + S_DS_GEN; + tlv = (u8 *)hs_cfg + + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh) + + adapter->arp_filter_size; + } else { + size = S_DS_GEN + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh); + } + if (hs_activate) { + hs_cfg->action = cpu_to_le16(HS_ACTIVATE); + hs_cfg->params.hs_activate.resp_ctrl = cpu_to_le16(RESP_NEEDED); + + adapter->hs_activated_manually = true; + nxpwifi_dbg(priv->adapter, CMD, + "cmd: Activating host sleep manually\n"); + } else { + hs_cfg->action = cpu_to_le16(HS_CONFIGURE); + hs_cfg->params.hs_config.conditions = hscfg_param->conditions; + hs_cfg->params.hs_config.gpio = hscfg_param->gpio; + hs_cfg->params.hs_config.gap = hscfg_param->gap; + + size += sizeof(struct nxpwifi_ps_param_in_hs); + psparam_tlv = (struct nxpwifi_ps_param_in_hs *)tlv; + psparam_tlv->header.type = + cpu_to_le16(TLV_TYPE_PS_PARAMS_IN_HS); + psparam_tlv->header.len = + cpu_to_le16(sizeof(struct nxpwifi_ps_param_in_hs) + - sizeof(struct nxpwifi_ie_types_header)); + psparam_tlv->hs_wake_int = cpu_to_le32(HS_DEF_WAKE_INTERVAL); + psparam_tlv->hs_inact_timeout = + cpu_to_le32(HS_DEF_INACTIVITY_TIMEOUT); + + nxpwifi_dbg(adapter, CMD, + "cmd: HS_CFG_CMD: condition:0x%x gpio:0x%x gap:0x%x\n", + hs_cfg->params.hs_config.conditions, + hs_cfg->params.hs_config.gpio, + hs_cfg->params.hs_config.gap); + } + cmd->size = cpu_to_le16(size); + + return 0; +} + +static int +nxpwifi_ret_sta_802_11_hs_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + return nxpwifi_ret_802_11_hs_cfg(priv, resp); +} + +static int +nxpwifi_cmd_sta_set_bss_mode(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(cmd_no); + if (priv->bss_mode == NL80211_IFTYPE_STATION) + cmd->params.bss_mode.con_type = CONNECTION_TYPE_INFRA; + else if (priv->bss_mode == NL80211_IFTYPE_AP) + cmd->params.bss_mode.con_type = CONNECTION_TYPE_AP; + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_set_bss_mode) + + S_DS_GEN); + + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_net_monitor(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct nxpwifi_802_11_net_monitor *net_mon; + struct host_cmd_ds_802_11_net_monitor *cmd_net_mon = + &cmd->params.net_mon; + struct chan_band_param *chan_band = NULL; + u8 sec_chan_offset = 0; + u32 bw_offset = 0; + + net_mon = (struct nxpwifi_802_11_net_monitor *)data_buf; + + cmd->size = cpu_to_le16(S_DS_GEN + + sizeof(struct host_cmd_ds_802_11_net_monitor) + + sizeof(struct chan_band_param)); + cmd->command = cpu_to_le16(cmd_no); + cmd_net_mon->action = cpu_to_le16(cmd_action); + + if (cmd_action == HOST_ACT_GEN_SET) { + if (net_mon->enable_net_mon) { + cmd_net_mon->enable_net_mon = cpu_to_le16(0x1); + cmd_net_mon->filter_flag = cpu_to_le16((u16) + net_mon->filter_flag); + } + + if (net_mon->enable_net_mon && net_mon->channel) { + chan_band = &cmd_net_mon->monitor_chan.chan_band_param[0]; + cmd_net_mon->monitor_chan.header.type = + cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); + cmd_net_mon->monitor_chan.header.len = + cpu_to_le16(sizeof(struct chan_band_param)); + chan_band->chan_number = (u8)net_mon->channel; + chan_band->band_cfg.chan_band = + nxpwifi_band_to_radio_type((u16)net_mon->band); + + if (net_mon->band & BAND_GN || + net_mon->band & BAND_AN || + net_mon->band & BAND_GAC || + net_mon->band & BAND_AAC) { + bw_offset = net_mon->chan_bandwidth; + if (bw_offset == CHANNEL_BW_40MHZ_ABOVE) { + chan_band->band_cfg.chan_2O_ffset = + NXPWIFI_SEC_CHAN_ABOVE; + chan_band->band_cfg.chan_width = + CHAN_BW_40MHZ; + } else if (bw_offset == CHANNEL_BW_40MHZ_BELOW) { + chan_band->band_cfg.chan_2O_ffset = + NXPWIFI_SEC_CHAN_BELOW; + chan_band->band_cfg.chan_width = + CHAN_BW_40MHZ; + } else if (bw_offset == CHANNEL_BW_80MHZ) { + sec_chan_offset = + nxpwifi_get_sec_chan_offset(net_mon->channel); + if (sec_chan_offset == NXPWIFI_SEC_CHAN_ABOVE) + chan_band->band_cfg.chan_2O_ffset = + NXPWIFI_SEC_CHAN_ABOVE; + else if (sec_chan_offset == NXPWIFI_SEC_CHAN_BELOW) + chan_band->band_cfg.chan_2O_ffset = + NXPWIFI_SEC_CHAN_BELOW; + chan_band->band_cfg.chan_width = CHAN_BW_80MHZ; + } + } + } + } + return 0; +} + +static int +nxpwifi_ret_sta_802_11_net_monitor(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_802_11_net_monitor *cmd_net_mon = &resp->params.net_mon; + + nxpwifi_dbg(priv->adapter, CMD, + "cmd: NET_MONITOR_CMD: action: %d, enable: %d, flag: %d ch: %d band: %d bw: %d offset: %d\n", + le16_to_cpu(cmd_net_mon->action), + le16_to_cpu(cmd_net_mon->enable_net_mon), + le16_to_cpu(cmd_net_mon->filter_flag), + cmd_net_mon->monitor_chan.chan_band_param[0].chan_number, + cmd_net_mon->monitor_chan.chan_band_param[0].band_cfg.chan_band, + cmd_net_mon->monitor_chan.chan_band_param[0].band_cfg.chan_width, + cmd_net_mon->monitor_chan.chan_band_param[0].band_cfg.chan_2O_ffset); + priv->adapter->enable_net_mon = le16_to_cpu(cmd_net_mon->enable_net_mon); + return 0; +} + +static int +nxpwifi_cmd_sta_802_11_scan_ext(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_802_11_scan_ext(priv, cmd, data_buf); +} + +static int +nxpwifi_ret_sta_802_11_scan_ext(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + + ret = nxpwifi_ret_802_11_scan_ext(priv, resp); + adapter->curr_cmd->wait_q_enabled = false; + + return ret; +} + +static int +nxpwifi_cmd_sta_coalesce_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_coalesce_cfg *coalesce_cfg = + &cmd->params.coalesce_cfg; + struct nxpwifi_ds_coalesce_cfg *cfg = + (struct nxpwifi_ds_coalesce_cfg *)data_buf; + struct coalesce_filt_field_param *param; + u16 cnt, idx, length; + struct coalesce_receive_filt_rule *rule; + + cmd->command = cpu_to_le16(HOST_CMD_COALESCE_CFG); + cmd->size = cpu_to_le16(S_DS_GEN); + + coalesce_cfg->action = cpu_to_le16(cmd_action); + coalesce_cfg->num_of_rules = cpu_to_le16(cfg->num_of_rules); + rule = (void *)coalesce_cfg->rule_data; + + for (cnt = 0; cnt < cfg->num_of_rules; cnt++) { + rule->header.type = cpu_to_le16(TLV_TYPE_COALESCE_RULE); + rule->max_coalescing_delay = + cpu_to_le16(cfg->rule[cnt].max_coalescing_delay); + rule->pkt_type = cfg->rule[cnt].pkt_type; + rule->num_of_fields = cfg->rule[cnt].num_of_fields; + + length = 0; + + param = rule->params; + for (idx = 0; idx < cfg->rule[cnt].num_of_fields; idx++) { + param->operation = cfg->rule[cnt].params[idx].operation; + param->operand_len = + cfg->rule[cnt].params[idx].operand_len; + param->offset = + cpu_to_le16(cfg->rule[cnt].params[idx].offset); + memcpy(param->operand_byte_stream, + cfg->rule[cnt].params[idx].operand_byte_stream, + param->operand_len); + + length += sizeof(struct coalesce_filt_field_param); + + param++; + } + + /* + * Total rule length is sizeof max_coalescing_delay(u16), + * num_of_fields(u8), pkt_type(u8) and total length of the all + * params + */ + rule->header.len = cpu_to_le16(length + sizeof(u16) + + sizeof(u8) + sizeof(u8)); + + /* Add the rule length to the command size */ + le16_unaligned_add_cpu(&cmd->size, + le16_to_cpu(rule->header.len) + + sizeof(struct nxpwifi_ie_types_header)); + + rule = (void *)((u8 *)rule->params + length); + } + + /* Add sizeof action, num_of_rules to total command length */ + le16_unaligned_add_cpu(&cmd->size, sizeof(u16) + sizeof(u16)); + + return 0; +} + +static int +nxpwifi_cmd_sta_mgmt_frame_reg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(cmd_no); + cmd->params.reg_mask.action = cpu_to_le16(cmd_action); + cmd->params.reg_mask.mask = + cpu_to_le32(get_unaligned((u32 *)data_buf)); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mgmt_frame_reg) + + S_DS_GEN); + + return 0; +} + +static int +nxpwifi_cmd_sta_remain_on_chan(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(cmd_no); + memcpy(&cmd->params, data_buf, + sizeof(struct host_cmd_ds_remain_on_chan)); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_remain_on_chan) + + S_DS_GEN); + + return 0; +} + +static int +nxpwifi_ret_sta_remain_on_chan(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg; + struct host_cmd_ds_remain_on_chan *roc_cfg = + (struct host_cmd_ds_remain_on_chan *)data_buf; + + if (roc_cfg) + memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg)); + + return 0; +} + +static int +nxpwifi_cmd_sta_gtk_rekey_offload(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_gtk_rekey_params *rekey = &cmd->params.rekey; + struct cfg80211_gtk_rekey_data *data = + (struct cfg80211_gtk_rekey_data *)data_buf; + u64 rekey_ctr; + + cmd->command = cpu_to_le16(HOST_CMD_GTK_REKEY_OFFLOAD_CFG); + cmd->size = cpu_to_le16(sizeof(*rekey) + S_DS_GEN); + + rekey->action = cpu_to_le16(cmd_action); + if (cmd_action == HOST_ACT_GEN_SET) { + memcpy(rekey->kek, data->kek, NL80211_KEK_LEN); + memcpy(rekey->kck, data->kck, NL80211_KCK_LEN); + rekey_ctr = be64_to_cpup((__be64 *)data->replay_ctr); + rekey->replay_ctr_low = cpu_to_le32((u32)rekey_ctr); + rekey->replay_ctr_high = + cpu_to_le32((u32)((u64)rekey_ctr >> 32)); + } + + return 0; +} + +static int +nxpwifi_cmd_sta_11ac_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_11ac_cfg(priv, cmd, cmd_action, data_buf); +} + +static int +nxpwifi_cmd_sta_hs_wakeup_reason(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(HOST_CMD_HS_WAKEUP_REASON); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_wakeup_reason) + + S_DS_GEN); + + return 0; +} + +static int +nxpwifi_ret_sta_hs_wakeup_reason(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_wakeup_reason *wakeup_reason = + (struct host_cmd_ds_wakeup_reason *)data_buf; + wakeup_reason->wakeup_reason = + resp->params.hs_wakeup_reason.wakeup_reason; + + return 0; +} + +static int +nxpwifi_cmd_sta_mc_policy(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_multi_chan_policy *mc_pol = &cmd->params.mc_policy; + const u16 *drcs_info = data_buf; + + mc_pol->action = cpu_to_le16(cmd_action); + mc_pol->policy = cpu_to_le16(*drcs_info); + cmd->command = cpu_to_le16(HOST_CMD_MC_POLICY); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_multi_chan_policy) + + S_DS_GEN); + return 0; +} + +static int +nxpwifi_cmd_sta_sdio_rx_aggr_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_sdio_sp_rx_aggr_cfg *cfg = + &cmd->params.sdio_rx_aggr_cfg; + + cmd->command = cpu_to_le16(HOST_CMD_SDIO_SP_RX_AGGR_CFG); + cmd->size = + cpu_to_le16(sizeof(struct host_cmd_sdio_sp_rx_aggr_cfg) + + S_DS_GEN); + cfg->action = cmd_action; + if (cmd_action == HOST_ACT_GEN_SET) + cfg->enable = *(u8 *)data_buf; + + return 0; +} + +static int +nxpwifi_ret_sta_sdio_rx_aggr_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_sdio_sp_rx_aggr_cfg *cfg = + &resp->params.sdio_rx_aggr_cfg; + + adapter->sdio_rx_aggr_enable = cfg->enable; + adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size); + + return 0; +} + +static int +nxpwifi_cmd_sta_get_chan_info(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_sta_configure *sta_cfg_cmd = &cmd->params.sta_cfg; + struct host_cmd_tlv_channel_band *tlv_band_channel = + (struct host_cmd_tlv_channel_band *)sta_cfg_cmd->tlv_buffer; + + cmd->command = cpu_to_le16(HOST_CMD_STA_CONFIGURE); + cmd->size = cpu_to_le16(sizeof(*sta_cfg_cmd) + + sizeof(*tlv_band_channel) + S_DS_GEN); + sta_cfg_cmd->action = cpu_to_le16(cmd_action); + memset(tlv_band_channel, 0, sizeof(*tlv_band_channel)); + tlv_band_channel->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); + tlv_band_channel->header.len = cpu_to_le16(sizeof(*tlv_band_channel) - + sizeof(struct nxpwifi_ie_types_header)); + + return 0; +} + +static int +nxpwifi_ret_sta_get_chan_info(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_sta_configure *sta_cfg_cmd = &resp->params.sta_cfg; + struct nxpwifi_channel_band *channel_band = + (struct nxpwifi_channel_band *)data_buf; + struct host_cmd_tlv_channel_band *tlv_band_channel; + + tlv_band_channel = + (struct host_cmd_tlv_channel_band *)sta_cfg_cmd->tlv_buffer; + memcpy(&channel_band->band_config, &tlv_band_channel->band_config, + sizeof(struct nxpwifi_band_config)); + channel_band->channel = tlv_band_channel->channel; + + return 0; +} + +static int +nxpwifi_cmd_sta_chan_region_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_chan_region_cfg *reg = &cmd->params.reg_cfg; + + cmd->command = cpu_to_le16(HOST_CMD_CHAN_REGION_CFG); + cmd->size = cpu_to_le16(sizeof(*reg) + S_DS_GEN); + + if (cmd_action == HOST_ACT_GEN_GET) + reg->action = cpu_to_le16(cmd_action); + + return 0; +} + +static struct ieee80211_regdomain * +nxpwifi_create_custom_regdomain(struct nxpwifi_private *priv, + u8 *buf, u16 buf_len) +{ + u16 num_chan = buf_len / 2; + struct ieee80211_regdomain *regd; + struct ieee80211_reg_rule *rule; + bool new_rule; + int idx, freq, prev_freq = 0; + u32 bw, prev_bw = 0; + u8 chflags, prev_chflags = 0, valid_rules = 0; + + if (WARN_ON_ONCE(num_chan > NL80211_MAX_SUPP_REG_RULES)) + return ERR_PTR(-EINVAL); + + regd = kzalloc_flex(*regd, reg_rules, num_chan, GFP_KERNEL); + if (!regd) + return ERR_PTR(-ENOMEM); + + for (idx = 0; idx < num_chan; idx++) { + u8 chan; + enum nl80211_band band; + + chan = *buf++; + if (!chan) { + kfree(regd); + return NULL; + } + chflags = *buf++; + band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; + freq = ieee80211_channel_to_frequency(chan, band); + new_rule = false; + + if (chflags & NXPWIFI_CHANNEL_DISABLED) + continue; + + if (band == NL80211_BAND_5GHZ) { + if (!(chflags & NXPWIFI_CHANNEL_NOHT80)) + bw = MHZ_TO_KHZ(80); + else if (!(chflags & NXPWIFI_CHANNEL_NOHT40)) + bw = MHZ_TO_KHZ(40); + else + bw = MHZ_TO_KHZ(20); + } else { + if (!(chflags & NXPWIFI_CHANNEL_NOHT40)) + bw = MHZ_TO_KHZ(40); + else + bw = MHZ_TO_KHZ(20); + } + + if (idx == 0 || prev_chflags != chflags || prev_bw != bw || + freq - prev_freq > 20) { + valid_rules++; + new_rule = true; + } + + rule = ®d->reg_rules[valid_rules - 1]; + + rule->freq_range.end_freq_khz = MHZ_TO_KHZ(freq + 10); + + prev_chflags = chflags; + prev_freq = freq; + prev_bw = bw; + + if (!new_rule) + continue; + + rule->freq_range.start_freq_khz = MHZ_TO_KHZ(freq - 10); + rule->power_rule.max_eirp = DBM_TO_MBM(19); + + if (chflags & NXPWIFI_CHANNEL_PASSIVE) + rule->flags = NL80211_RRF_NO_IR; + + if (chflags & NXPWIFI_CHANNEL_DFS) + rule->flags = NL80211_RRF_DFS; + + rule->freq_range.max_bandwidth_khz = bw; + } + + regd->n_reg_rules = valid_rules; + regd->alpha2[0] = '9'; + regd->alpha2[1] = '9'; + + return regd; +} + +static int +nxpwifi_ret_sta_chan_region_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_chan_region_cfg *reg = &resp->params.reg_cfg; + u16 action = le16_to_cpu(reg->action); + u16 tlv, tlv_buf_len, tlv_buf_left; + struct nxpwifi_ie_types_header *head; + struct ieee80211_regdomain *regd; + u8 *tlv_buf; + + if (action != HOST_ACT_GEN_GET) + return 0; + + tlv_buf = (u8 *)reg + sizeof(*reg); + tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*reg); + + while (tlv_buf_left >= sizeof(*head)) { + head = (struct nxpwifi_ie_types_header *)tlv_buf; + tlv = le16_to_cpu(head->type); + tlv_buf_len = le16_to_cpu(head->len); + + if (tlv_buf_left < (sizeof(*head) + tlv_buf_len)) + break; + + switch (tlv) { + case TLV_TYPE_CHAN_ATTR_CFG: + nxpwifi_dbg_dump(priv->adapter, CMD_D, "CHAN:", + (u8 *)head + sizeof(*head), + tlv_buf_len); + regd = nxpwifi_create_custom_regdomain(priv, (u8 *)head + + sizeof(*head), + tlv_buf_len); + if (!IS_ERR(regd)) + priv->adapter->regd = regd; + break; + } + + tlv_buf += (sizeof(*head) + tlv_buf_len); + tlv_buf_left -= (sizeof(*head) + tlv_buf_len); + } + + return 0; +} + +static int +nxpwifi_cmd_sta_pkt_aggr_ctrl(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + cmd->command = cpu_to_le16(cmd_no); + cmd->params.pkt_aggr_ctrl.action = cpu_to_le16(cmd_action); + cmd->params.pkt_aggr_ctrl.enable = cpu_to_le16(*(u16 *)data_buf); + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_pkt_aggr_ctrl) + + S_DS_GEN); + + return 0; +} + +static int +nxpwifi_ret_sta_pkt_aggr_ctrl(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct host_cmd_ds_pkt_aggr_ctrl *pkt_aggr_ctrl = + &resp->params.pkt_aggr_ctrl; + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->bus_aggr.enable = le16_to_cpu(pkt_aggr_ctrl->enable); + if (adapter->bus_aggr.enable) + adapter->intf_hdr_len = INTF_HEADER_LEN; + adapter->bus_aggr.mode = NXPWIFI_BUS_AGGR_MODE_LEN_V2; + adapter->bus_aggr.tx_aggr_max_size = + le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_size); + adapter->bus_aggr.tx_aggr_max_num = + le16_to_cpu(pkt_aggr_ctrl->tx_aggr_max_num); + adapter->bus_aggr.tx_aggr_align = + le16_to_cpu(pkt_aggr_ctrl->tx_aggr_align); + + return 0; +} + +static int +nxpwifi_cmd_sta_11ax_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_11ax_cfg(priv, cmd, cmd_action, data_buf); +} + +static int +nxpwifi_ret_sta_11ax_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + return nxpwifi_ret_11ax_cfg(priv, resp, data_buf); +} + +static int +nxpwifi_cmd_sta_11ax_cmd(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_11ax_cmd(priv, cmd, cmd_action, data_buf); +} + +static int +nxpwifi_ret_sta_11ax_cmd(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + return nxpwifi_ret_11ax_cmd(priv, resp, data_buf); +} + +static int +nxpwifi_cmd_sta_twt_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_twt_cfg(priv, cmd, cmd_action, data_buf); +} + +static int +nxpwifi_ret_sta_twt_cfg(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + return nxpwifi_ret_twt_cfg(priv, resp, data_buf); +} + +static const struct nxpwifi_cmd_entry cmd_table_sta[] = { + {.cmd_no = HOST_CMD_GET_HW_SPEC, + .prepare_cmd = nxpwifi_cmd_sta_get_hw_spec, + .cmd_resp = nxpwifi_ret_sta_get_hw_spec}, + {.cmd_no = HOST_CMD_802_11_SCAN, + .prepare_cmd = nxpwifi_cmd_sta_802_11_scan, + .cmd_resp = nxpwifi_ret_sta_802_11_scan}, + {.cmd_no = HOST_CMD_802_11_GET_LOG, + .prepare_cmd = nxpwifi_cmd_sta_802_11_get_log, + .cmd_resp = nxpwifi_ret_sta_802_11_get_log}, + {.cmd_no = HOST_CMD_MAC_MULTICAST_ADR, + .prepare_cmd = nxpwifi_cmd_sta_mac_multicast_adr, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_802_11_ASSOCIATE, + .prepare_cmd = nxpwifi_cmd_sta_802_11_associate, + .cmd_resp = nxpwifi_ret_sta_802_11_associate}, + {.cmd_no = HOST_CMD_802_11_SNMP_MIB, + .prepare_cmd = nxpwifi_cmd_sta_802_11_snmp_mib, + .cmd_resp = nxpwifi_ret_sta_802_11_snmp_mib}, + {.cmd_no = HOST_CMD_MAC_REG_ACCESS, + .prepare_cmd = nxpwifi_cmd_sta_reg_access, + .cmd_resp = nxpwifi_ret_sta_reg_access}, + {.cmd_no = HOST_CMD_BBP_REG_ACCESS, + .prepare_cmd = nxpwifi_cmd_sta_reg_access, + .cmd_resp = nxpwifi_ret_sta_reg_access}, + {.cmd_no = HOST_CMD_RF_REG_ACCESS, + .prepare_cmd = nxpwifi_cmd_sta_reg_access, + .cmd_resp = nxpwifi_ret_sta_reg_access}, + {.cmd_no = HOST_CMD_RF_TX_PWR, + .prepare_cmd = nxpwifi_cmd_sta_rf_tx_pwr, + .cmd_resp = nxpwifi_ret_sta_rf_tx_pwr}, + {.cmd_no = HOST_CMD_RF_ANTENNA, + .prepare_cmd = nxpwifi_cmd_sta_rf_antenna, + .cmd_resp = nxpwifi_ret_sta_rf_antenna}, + {.cmd_no = HOST_CMD_802_11_DEAUTHENTICATE, + .prepare_cmd = nxpwifi_cmd_sta_802_11_deauthenticate, + .cmd_resp = nxpwifi_ret_sta_802_11_deauthenticate}, + {.cmd_no = HOST_CMD_MAC_CONTROL, + .prepare_cmd = nxpwifi_cmd_sta_mac_control, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_802_11_MAC_ADDRESS, + .prepare_cmd = nxpwifi_cmd_sta_802_11_mac_address, + .cmd_resp = nxpwifi_ret_sta_802_11_mac_address}, + {.cmd_no = HOST_CMD_802_11_EEPROM_ACCESS, + .prepare_cmd = nxpwifi_cmd_sta_reg_access, + .cmd_resp = nxpwifi_ret_sta_reg_access}, + {.cmd_no = HOST_CMD_802_11D_DOMAIN_INFO, + .prepare_cmd = nxpwifi_cmd_sta_802_11d_domain_info, + .cmd_resp = nxpwifi_ret_sta_802_11d_domain_info}, + {.cmd_no = HOST_CMD_802_11_KEY_MATERIAL, + .prepare_cmd = nxpwifi_cmd_sta_802_11_key_material, + .cmd_resp = nxpwifi_ret_sta_802_11_key_material}, + {.cmd_no = HOST_CMD_802_11_BG_SCAN_CONFIG, + .prepare_cmd = nxpwifi_cmd_sta_802_11_bg_scan_config, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_802_11_BG_SCAN_QUERY, + .prepare_cmd = nxpwifi_cmd_sta_802_11_bg_scan_query, + .cmd_resp = nxpwifi_ret_sta_802_11_bg_scan_query}, + {.cmd_no = HOST_CMD_WMM_GET_STATUS, + .prepare_cmd = nxpwifi_cmd_sta_wmm_get_status, + .cmd_resp = nxpwifi_ret_sta_wmm_get_status}, + {.cmd_no = HOST_CMD_802_11_SUBSCRIBE_EVENT, + .prepare_cmd = nxpwifi_cmd_sta_802_11_subsc_evt, + .cmd_resp = nxpwifi_ret_sta_subsc_evt}, + {.cmd_no = HOST_CMD_802_11_TX_RATE_QUERY, + .prepare_cmd = nxpwifi_cmd_sta_802_11_tx_rate_query, + .cmd_resp = nxpwifi_ret_sta_802_11_tx_rate_query}, + {.cmd_no = HOST_CMD_MEM_ACCESS, + .prepare_cmd = nxpwifi_cmd_sta_mem_access, + .cmd_resp = nxpwifi_ret_sta_mem_access}, + {.cmd_no = HOST_CMD_CFG_DATA, + .prepare_cmd = nxpwifi_cmd_sta_cfg_data, + .cmd_resp = nxpwifi_ret_sta_cfg_data}, + {.cmd_no = HOST_CMD_VERSION_EXT, + .prepare_cmd = nxpwifi_cmd_sta_ver_ext, + .cmd_resp = nxpwifi_ret_sta_ver_ext}, + {.cmd_no = HOST_CMD_MEF_CFG, + .prepare_cmd = nxpwifi_cmd_sta_mef_cfg, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_RSSI_INFO, + .prepare_cmd = nxpwifi_cmd_sta_802_11_rssi_info, + .cmd_resp = nxpwifi_ret_sta_802_11_rssi_info}, + {.cmd_no = HOST_CMD_FUNC_INIT, + .prepare_cmd = nxpwifi_cmd_sta_func_init, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_FUNC_SHUTDOWN, + .prepare_cmd = nxpwifi_cmd_sta_func_shutdown, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_PMIC_REG_ACCESS, + .prepare_cmd = nxpwifi_cmd_sta_reg_access, + .cmd_resp = nxpwifi_ret_sta_reg_access}, + {.cmd_no = HOST_CMD_11N_CFG, + .prepare_cmd = nxpwifi_cmd_sta_11n_cfg, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_11N_ADDBA_REQ, + .prepare_cmd = nxpwifi_cmd_sta_11n_addba_req, + .cmd_resp = nxpwifi_ret_sta_11n_addba_req}, + {.cmd_no = HOST_CMD_11N_ADDBA_RSP, + .prepare_cmd = nxpwifi_cmd_sta_11n_addba_rsp, + .cmd_resp = nxpwifi_ret_sta_11n_addba_rsp}, + {.cmd_no = HOST_CMD_11N_DELBA, + .prepare_cmd = nxpwifi_cmd_sta_11n_delba, + .cmd_resp = nxpwifi_ret_sta_11n_delba}, + {.cmd_no = HOST_CMD_TXPWR_CFG, + .prepare_cmd = nxpwifi_cmd_sta_tx_power_cfg, + .cmd_resp = nxpwifi_ret_sta_tx_power_cfg}, + {.cmd_no = HOST_CMD_TX_RATE_CFG, + .prepare_cmd = nxpwifi_cmd_sta_tx_rate_cfg, + .cmd_resp = nxpwifi_ret_sta_tx_rate_cfg}, + {.cmd_no = HOST_CMD_RECONFIGURE_TX_BUFF, + .prepare_cmd = nxpwifi_cmd_sta_reconfigure_rx_buff, + .cmd_resp = nxpwifi_ret_sta_reconfigure_rx_buff}, + {.cmd_no = HOST_CMD_CHAN_REPORT_REQUEST, + .prepare_cmd = nxpwifi_cmd_sta_chan_report_request, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_AMSDU_AGGR_CTRL, + .prepare_cmd = nxpwifi_cmd_sta_amsdu_aggr_ctrl, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_ROBUST_COEX, + .prepare_cmd = nxpwifi_cmd_sta_robust_coex, + .cmd_resp = nxpwifi_ret_sta_robust_coex}, + {.cmd_no = HOST_CMD_802_11_PS_MODE_ENH, + .prepare_cmd = nxpwifi_cmd_sta_enh_power_mode, + .cmd_resp = nxpwifi_ret_sta_enh_power_mode}, + {.cmd_no = HOST_CMD_802_11_HS_CFG_ENH, + .prepare_cmd = nxpwifi_cmd_sta_802_11_hs_cfg, + .cmd_resp = nxpwifi_ret_sta_802_11_hs_cfg}, + {.cmd_no = HOST_CMD_CAU_REG_ACCESS, + .prepare_cmd = nxpwifi_cmd_sta_reg_access, + .cmd_resp = nxpwifi_ret_sta_reg_access}, + {.cmd_no = HOST_CMD_SET_BSS_MODE, + .prepare_cmd = nxpwifi_cmd_sta_set_bss_mode, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_802_11_NET_MONITOR, + .prepare_cmd = nxpwifi_cmd_sta_802_11_net_monitor, + .cmd_resp = nxpwifi_ret_sta_802_11_net_monitor}, + {.cmd_no = HOST_CMD_802_11_SCAN_EXT, + .prepare_cmd = nxpwifi_cmd_sta_802_11_scan_ext, + .cmd_resp = nxpwifi_ret_sta_802_11_scan_ext}, + {.cmd_no = HOST_CMD_COALESCE_CFG, + .prepare_cmd = nxpwifi_cmd_sta_coalesce_cfg, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_MGMT_FRAME_REG, + .prepare_cmd = nxpwifi_cmd_sta_mgmt_frame_reg, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_REMAIN_ON_CHAN, + .prepare_cmd = nxpwifi_cmd_sta_remain_on_chan, + .cmd_resp = nxpwifi_ret_sta_remain_on_chan}, + {.cmd_no = HOST_CMD_GTK_REKEY_OFFLOAD_CFG, + .prepare_cmd = nxpwifi_cmd_sta_gtk_rekey_offload, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_11AC_CFG, + .prepare_cmd = nxpwifi_cmd_sta_11ac_cfg, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_HS_WAKEUP_REASON, + .prepare_cmd = nxpwifi_cmd_sta_hs_wakeup_reason, + .cmd_resp = nxpwifi_ret_sta_hs_wakeup_reason}, + {.cmd_no = HOST_CMD_MC_POLICY, + .prepare_cmd = nxpwifi_cmd_sta_mc_policy, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_FW_DUMP_EVENT, + .prepare_cmd = nxpwifi_cmd_fill_head_only, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_SDIO_SP_RX_AGGR_CFG, + .prepare_cmd = nxpwifi_cmd_sta_sdio_rx_aggr_cfg, + .cmd_resp = nxpwifi_ret_sta_sdio_rx_aggr_cfg}, + {.cmd_no = HOST_CMD_STA_CONFIGURE, + .prepare_cmd = nxpwifi_cmd_sta_get_chan_info, + .cmd_resp = nxpwifi_ret_sta_get_chan_info}, + {.cmd_no = HOST_CMD_CHAN_REGION_CFG, + .prepare_cmd = nxpwifi_cmd_sta_chan_region_cfg, + .cmd_resp = nxpwifi_ret_sta_chan_region_cfg}, + {.cmd_no = HOST_CMD_PACKET_AGGR_CTRL, + .prepare_cmd = nxpwifi_cmd_sta_pkt_aggr_ctrl, + .cmd_resp = nxpwifi_ret_sta_pkt_aggr_ctrl}, + {.cmd_no = HOST_CMD_11AX_CFG, + .prepare_cmd = nxpwifi_cmd_sta_11ax_cfg, + .cmd_resp = nxpwifi_ret_sta_11ax_cfg}, + {.cmd_no = HOST_CMD_11AX_CMD, + .prepare_cmd = nxpwifi_cmd_sta_11ax_cmd, + .cmd_resp = nxpwifi_ret_sta_11ax_cmd}, + {.cmd_no = HOST_CMD_TWT_CFG, + .prepare_cmd = nxpwifi_cmd_sta_twt_cfg, + .cmd_resp = nxpwifi_ret_sta_twt_cfg}, +}; + +/* + * Prepare a command before sending it to firmware by invoking the + * appropriate handler based on the command ID. + */ +int nxpwifi_sta_prepare_cmd(struct nxpwifi_private *priv, + struct cmd_ctrl_node *cmd_node, + u16 cmd_action, u32 cmd_oid) + +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u16 cmd_no = cmd_node->cmd_no; + struct host_cmd_ds_command *cmd = + (struct host_cmd_ds_command *)cmd_node->skb->data; + void *data_buf = cmd_node->data_buf; + int i, ret = -EINVAL; + + for (i = 0; i < ARRAY_SIZE(cmd_table_sta); i++) { + if (cmd_no == cmd_table_sta[i].cmd_no) { + if (cmd_table_sta[i].prepare_cmd) + ret = cmd_table_sta[i].prepare_cmd(priv, cmd, + cmd_no, + data_buf, + cmd_action, + cmd_oid); + cmd_node->cmd_resp = cmd_table_sta[i].cmd_resp; + break; + } + } + + if (i == ARRAY_SIZE(cmd_table_sta)) + nxpwifi_dbg(adapter, ERROR, + "%s: unknown command: %#x\n", + __func__, cmd_no); + else + nxpwifi_dbg(adapter, CMD, + "%s: command: %#x\n", + __func__, cmd_no); + + return ret; +} + +/* + * Initialize firmware after download or during virtual interface + * reinitialization to bring the device to a working state. + */ +int nxpwifi_sta_init_cmd(struct nxpwifi_private *priv, u8 first_sta, bool init) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + struct nxpwifi_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl; + struct nxpwifi_ds_auto_ds auto_ds; + enum state_11d_t state_11d; + struct nxpwifi_ds_11n_tx_cfg tx_cfg; + u8 sdio_sp_rx_aggr_enable; + + if (first_sta) { + ret = nxpwifi_send_cmd(priv, HOST_CMD_FUNC_INIT, + HOST_ACT_GEN_SET, 0, NULL, true); + if (ret) + return ret; + + if (adapter->cal_data) + nxpwifi_send_cmd(priv, HOST_CMD_CFG_DATA, + HOST_ACT_GEN_SET, 0, NULL, true); + + /* Read MAC address from HW */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_GET_HW_SPEC, + HOST_ACT_GEN_GET, 0, NULL, true); + if (ret) + return ret; + + /* * Set SDIO Single Port RX Aggr Info */ + if (priv->adapter->iface_type == NXPWIFI_SDIO && + ISSUPP_SDIO_SPA_ENABLED(priv->adapter->fw_cap_info) && + !priv->adapter->host_disable_sdio_rx_aggr) { + sdio_sp_rx_aggr_enable = true; + ret = nxpwifi_send_cmd(priv, + HOST_CMD_SDIO_SP_RX_AGGR_CFG, + HOST_ACT_GEN_SET, 0, + &sdio_sp_rx_aggr_enable, + true); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "error while enabling SP aggregation..disable it"); + adapter->sdio_rx_aggr_enable = false; + } + } + + /* Reconfigure tx buf size */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_RECONFIGURE_TX_BUFF, + HOST_ACT_GEN_SET, 0, + &priv->adapter->tx_buf_size, true); + if (ret) + return ret; + + if (priv->bss_type != NXPWIFI_BSS_TYPE_UAP) { + /* Enable IEEE PS by default */ + priv->adapter->ps_mode = NXPWIFI_802_11_POWER_MODE_PSP; + ret = nxpwifi_send_cmd(priv, + HOST_CMD_802_11_PS_MODE_ENH, + EN_AUTO_PS, BITMAP_STA_PS, NULL, + true); + if (ret) + return ret; + } + + nxpwifi_send_cmd(priv, HOST_CMD_CHAN_REGION_CFG, + HOST_ACT_GEN_GET, 0, NULL, true); + } + + /* get tx rate */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_TX_RATE_CFG, + HOST_ACT_GEN_GET, 0, NULL, true); + if (ret) + return ret; + priv->data_rate = 0; + + /* get tx power */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_RF_TX_PWR, + HOST_ACT_GEN_GET, 0, NULL, true); + if (ret) + return ret; + + memset(&amsdu_aggr_ctrl, 0, sizeof(amsdu_aggr_ctrl)); + amsdu_aggr_ctrl.enable = true; + /* Send request to firmware */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_AMSDU_AGGR_CTRL, + HOST_ACT_GEN_SET, 0, + &amsdu_aggr_ctrl, true); + if (ret) + return ret; + /* MAC Control must be the last command in init_fw */ + /* set MAC Control */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_MAC_CONTROL, + HOST_ACT_GEN_SET, 0, + &priv->curr_pkt_filter, true); + if (ret) + return ret; + + if (!disable_auto_ds && first_sta && + priv->bss_type != NXPWIFI_BSS_TYPE_UAP) { + /* Enable auto deep sleep */ + auto_ds.auto_ds = DEEP_SLEEP_ON; + auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME; + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_PS_MODE_ENH, + EN_AUTO_PS, BITMAP_AUTO_DS, + &auto_ds, true); + if (ret) + return ret; + } + + if (priv->bss_type != NXPWIFI_BSS_TYPE_UAP) { + /* Send cmd to FW to enable/disable 11D function */ + state_11d = ENABLE_11D; + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_SET, DOT11D_I, + &state_11d, true); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "11D: failed to enable 11D\n"); + } + + /* + * Send cmd to FW to configure 11n specific configuration + * (Short GI, Channel BW, Green field support etc.) for transmit + */ + tx_cfg.tx_htcap = NXPWIFI_FW_DEF_HTTXCFG; + ret = nxpwifi_send_cmd(priv, HOST_CMD_11N_CFG, + HOST_ACT_GEN_SET, 0, &tx_cfg, true); + + return ret; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/sta_event.c b/drivers/net/wireless/nxp/nxpwifi/sta_event.c new file mode 100644 index 000000000000..355064b1d8f7 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/sta_event.c @@ -0,0 +1,862 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: station event handling + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" + +static int +nxpwifi_sta_event_link_lost(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->dbg.num_event_link_lost++; + if (priv->media_connected) { + adapter->priv_link_lost = priv; + adapter->host_mlme_link_lost = true; + nxpwifi_queue_wiphy_work(adapter, + &adapter->host_mlme_work); + } + + return 0; +} + +static int +nxpwifi_sta_event_link_sensed(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + netif_carrier_on(priv->netdev); + nxpwifi_wake_up_net_dev_queue(priv->netdev, adapter); + + return 0; +} + +static int +nxpwifi_sta_event_deauthenticated(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (priv->wps.session_enable) { + nxpwifi_dbg(adapter, INFO, + "info: receive deauth event in wps session\n"); + } else { + adapter->dbg.num_event_deauth++; + if (priv->media_connected) { + priv->last_deauth_reason = + get_unaligned_le16(priv->adapter->event_body); + nxpwifi_queue_wiphy_work(priv->adapter, + &priv->reset_conn_state_work); + } + } + + return 0; +} + +static int +nxpwifi_sta_event_disassociated(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (priv->wps.session_enable) { + nxpwifi_dbg(adapter, INFO, + "info: receive disassoc event in wps session\n"); + } else { + adapter->dbg.num_event_disassoc++; + if (priv->media_connected) { + priv->last_deauth_reason = + get_unaligned_le16(priv->adapter->event_body); + nxpwifi_queue_wiphy_work(priv->adapter, + &priv->reset_conn_state_work); + } + } + + return 0; +} + +static int +nxpwifi_sta_event_ps_awake(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!adapter->pps_uapsd_mode && + priv->port_open && + priv->media_connected && adapter->sleep_period.period) { + adapter->pps_uapsd_mode = true; + nxpwifi_dbg(adapter, EVENT, + "event: PPS/UAPSD mode activated\n"); + } + adapter->tx_lock_flag = false; + if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) { + if (nxpwifi_check_last_packet_indication(priv)) { + if (adapter->data_sent) { + adapter->ps_state = PS_STATE_AWAKE; + adapter->pm_wakeup_card_req = false; + adapter->pm_wakeup_fw_try = false; + timer_delete(&adapter->wakeup_timer); + } else { + if (!nxpwifi_send_null_packet + (priv, + NXPWIFI_TxPD_POWER_MGMT_NULL_PACKET | + NXPWIFI_TxPD_POWER_MGMT_LAST_PACKET)) + adapter->ps_state = PS_STATE_SLEEP; + } + + return 0; + } + } + + adapter->ps_state = PS_STATE_AWAKE; + adapter->pm_wakeup_card_req = false; + adapter->pm_wakeup_fw_try = false; + timer_delete(&adapter->wakeup_timer); + + return 0; +} + +static int +nxpwifi_sta_event_ps_sleep(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->ps_state = PS_STATE_PRE_SLEEP; + nxpwifi_check_ps_cond(adapter); + + return 0; +} + +static int +nxpwifi_sta_event_mic_err_multicast(struct nxpwifi_private *priv) +{ + cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid, + NL80211_KEYTYPE_GROUP, + -1, NULL, GFP_KERNEL); + + return 0; +} + +static int +nxpwifi_sta_event_mic_err_unicast(struct nxpwifi_private *priv) +{ + cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid, + NL80211_KEYTYPE_PAIRWISE, + -1, NULL, GFP_KERNEL); + + return 0; +} + +static int +nxpwifi_sta_event_deep_sleep_awake(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->if_ops.wakeup_complete(adapter); + if (adapter->is_deep_sleep) + adapter->is_deep_sleep = false; + + return 0; +} + +static int +nxpwifi_sta_event_wmm_status_change(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_WMM_GET_STATUS, + 0, 0, NULL, false); +} + +static int +nxpwifi_sta_event_bs_scan_report(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_BG_SCAN_QUERY, + HOST_ACT_GEN_GET, 0, NULL, false); +} + +static int +nxpwifi_sta_event_rssi_low(struct nxpwifi_private *priv) +{ + cfg80211_cqm_rssi_notify(priv->netdev, + NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW, + 0, GFP_KERNEL); + priv->subsc_evt_rssi_state = RSSI_LOW_RECVD; + + return nxpwifi_send_cmd(priv, HOST_CMD_RSSI_INFO, + HOST_ACT_GEN_GET, 0, NULL, false); +} + +static int +nxpwifi_sta_event_rssi_high(struct nxpwifi_private *priv) +{ + cfg80211_cqm_rssi_notify(priv->netdev, + NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH, + 0, GFP_KERNEL); + priv->subsc_evt_rssi_state = RSSI_HIGH_RECVD; + + return nxpwifi_send_cmd(priv, HOST_CMD_RSSI_INFO, + HOST_ACT_GEN_GET, 0, NULL, false); +} + +static int +nxpwifi_sta_event_port_release(struct nxpwifi_private *priv) +{ + priv->port_open = true; + + return 0; +} + +static int +nxpwifi_sta_event_addba(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_send_cmd(priv, HOST_CMD_11N_ADDBA_RSP, + HOST_ACT_GEN_SET, 0, + adapter->event_body, false); +} + +static int +nxpwifi_sta_event_delba(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_11n_delete_ba_stream(priv, adapter->event_body); + + return 0; +} + +static int +nxpwifi_sta_event_bs_stream_timeout(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_11n_batimeout *event = + (struct host_cmd_ds_11n_batimeout *)adapter->event_body; + + nxpwifi_11n_ba_stream_timeout(priv, event); + + return 0; +} + +static int +nxpwifi_sta_event_amsdu_aggr_ctrl(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u16 ctrl; + + ctrl = get_unaligned_le16(adapter->event_body); + adapter->tx_buf_size = min_t(u16, adapter->curr_tx_buf_size, ctrl); + + return 0; +} + +static int +nxpwifi_sta_event_hs_act_req(struct nxpwifi_private *priv) +{ + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_HS_CFG_ENH, + 0, 0, NULL, false); +} + +static int +nxpwifi_sta_event_channel_switch_ann(struct nxpwifi_private *priv) +{ + struct nxpwifi_bssdescriptor *bss_desc; + + bss_desc = &priv->curr_bss_params.bss_descriptor; + priv->csa_expire_time = jiffies + msecs_to_jiffies(DFS_CHAN_MOVE_TIME); + priv->csa_chan = bss_desc->channel; + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_DEAUTHENTICATE, + HOST_ACT_GEN_SET, 0, + bss_desc->mac_address, false); +} + +static int +nxpwifi_sta_event_radar_detected(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_11h_handle_radar_detected(priv, adapter->event_skb); +} + +static int +nxpwifi_sta_event_channel_report_rdy(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_11h_handle_chanrpt_ready(priv, adapter->event_skb); +} + +static int +nxpwifi_sta_event_tx_data_pause(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_process_tx_pause_event(priv, adapter->event_skb); + + return 0; +} + +static int +nxpwifi_sta_event_ext_scan_report(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + void *buf = adapter->event_skb->data; + int ret = 0; + + /* + * We intend to skip this event during suspend, but handle + * it in interface disabled case + */ + if (adapter->ext_scan && (!priv->scan_aborting || + !netif_running(priv->netdev))) + ret = nxpwifi_handle_event_ext_scan_report(priv, buf); + + return ret; +} + +static int +nxpwifi_sta_event_rxba_sync(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_11n_rxba_sync_event(priv, adapter->event_body, + adapter->event_skb->len - + sizeof(adapter->event_cause)); + + return 0; +} + +static int +nxpwifi_sta_event_remain_on_chan_expired(struct nxpwifi_private *priv) +{ + if (priv->auth_flag & HOST_MLME_AUTH_PENDING) { + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + } else { + cfg80211_remain_on_channel_expired(&priv->wdev, + priv->roc_cfg.cookie, + &priv->roc_cfg.chan, + GFP_ATOMIC); + } + + memset(&priv->roc_cfg, 0x00, sizeof(struct nxpwifi_roc_cfg)); + + return 0; +} + +static int +nxpwifi_sta_event_bg_scan_stopped(struct nxpwifi_private *priv) +{ + cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0); + if (priv->sched_scanning) + priv->sched_scanning = false; + + return 0; +} + +static int +nxpwifi_sta_event_multi_chan_info(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_process_multi_chan_event(priv, adapter->event_skb); + + return 0; +} + +static int +nxpwifi_sta_event_tx_status_report(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_parse_tx_status_event(priv, adapter->event_body); + + return 0; +} + +static int +nxpwifi_sta_event_bt_coex_wlan_para_change(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!adapter->ignore_btcoex_events) + nxpwifi_bt_coex_wlan_param_update_event(priv, + adapter->event_skb); + + return 0; +} + +static int +nxpwifi_sta_event_vdll_ind(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_process_vdll_event(priv, adapter->event_skb); +} + +static const struct nxpwifi_evt_entry evt_table_sta[] = { + {.event_cause = EVENT_LINK_LOST, + .event_handler = nxpwifi_sta_event_link_lost}, + {.event_cause = EVENT_LINK_SENSED, + .event_handler = nxpwifi_sta_event_link_sensed}, + {.event_cause = EVENT_DEAUTHENTICATED, + .event_handler = nxpwifi_sta_event_deauthenticated}, + {.event_cause = EVENT_DISASSOCIATED, + .event_handler = nxpwifi_sta_event_disassociated}, + {.event_cause = EVENT_PS_AWAKE, + .event_handler = nxpwifi_sta_event_ps_awake}, + {.event_cause = EVENT_PS_SLEEP, + .event_handler = nxpwifi_sta_event_ps_sleep}, + {.event_cause = EVENT_MIC_ERR_MULTICAST, + .event_handler = nxpwifi_sta_event_mic_err_multicast}, + {.event_cause = EVENT_MIC_ERR_UNICAST, + .event_handler = nxpwifi_sta_event_mic_err_unicast}, + {.event_cause = EVENT_DEEP_SLEEP_AWAKE, + .event_handler = nxpwifi_sta_event_deep_sleep_awake}, + {.event_cause = EVENT_WMM_STATUS_CHANGE, + .event_handler = nxpwifi_sta_event_wmm_status_change}, + {.event_cause = EVENT_BG_SCAN_REPORT, + .event_handler = nxpwifi_sta_event_bs_scan_report}, + {.event_cause = EVENT_RSSI_LOW, + .event_handler = nxpwifi_sta_event_rssi_low}, + {.event_cause = EVENT_RSSI_HIGH, + .event_handler = nxpwifi_sta_event_rssi_high}, + {.event_cause = EVENT_PORT_RELEASE, + .event_handler = nxpwifi_sta_event_port_release}, + {.event_cause = EVENT_ADDBA, + .event_handler = nxpwifi_sta_event_addba}, + {.event_cause = EVENT_DELBA, + .event_handler = nxpwifi_sta_event_delba}, + {.event_cause = EVENT_BA_STREAM_TIEMOUT, + .event_handler = nxpwifi_sta_event_bs_stream_timeout}, + {.event_cause = EVENT_AMSDU_AGGR_CTRL, + .event_handler = nxpwifi_sta_event_amsdu_aggr_ctrl}, + {.event_cause = EVENT_HS_ACT_REQ, + .event_handler = nxpwifi_sta_event_hs_act_req}, + {.event_cause = EVENT_CHANNEL_SWITCH_ANN, + .event_handler = nxpwifi_sta_event_channel_switch_ann}, + {.event_cause = EVENT_RADAR_DETECTED, + .event_handler = nxpwifi_sta_event_radar_detected}, + {.event_cause = EVENT_CHANNEL_REPORT_RDY, + .event_handler = nxpwifi_sta_event_channel_report_rdy}, + {.event_cause = EVENT_TX_DATA_PAUSE, + .event_handler = nxpwifi_sta_event_tx_data_pause}, + {.event_cause = EVENT_EXT_SCAN_REPORT, + .event_handler = nxpwifi_sta_event_ext_scan_report}, + {.event_cause = EVENT_RXBA_SYNC, + .event_handler = nxpwifi_sta_event_rxba_sync}, + {.event_cause = EVENT_REMAIN_ON_CHAN_EXPIRED, + .event_handler = nxpwifi_sta_event_remain_on_chan_expired}, + {.event_cause = EVENT_BG_SCAN_STOPPED, + .event_handler = nxpwifi_sta_event_bg_scan_stopped}, + {.event_cause = EVENT_MULTI_CHAN_INFO, + .event_handler = nxpwifi_sta_event_multi_chan_info}, + {.event_cause = EVENT_TX_STATUS_REPORT, + .event_handler = nxpwifi_sta_event_tx_status_report}, + {.event_cause = EVENT_BT_COEX_WLAN_PARA_CHANGE, + .event_handler = nxpwifi_sta_event_bt_coex_wlan_para_change}, + {.event_cause = EVENT_VDLL_IND, + .event_handler = nxpwifi_sta_event_vdll_ind}, + {.event_cause = EVENT_DUMMY_HOST_WAKEUP_SIGNAL, + .event_handler = NULL}, + {.event_cause = EVENT_MIB_CHANGED, + .event_handler = NULL}, + {.event_cause = EVENT_INIT_DONE, + .event_handler = NULL}, + {.event_cause = EVENT_SNR_LOW, + .event_handler = NULL}, + {.event_cause = EVENT_MAX_FAIL, + .event_handler = NULL}, + {.event_cause = EVENT_SNR_HIGH, + .event_handler = NULL}, + {.event_cause = EVENT_DATA_RSSI_LOW, + .event_handler = NULL}, + {.event_cause = EVENT_DATA_SNR_LOW, + .event_handler = NULL}, + {.event_cause = EVENT_DATA_RSSI_HIGH, + .event_handler = NULL}, + {.event_cause = EVENT_DATA_SNR_HIGH, + .event_handler = NULL}, + {.event_cause = EVENT_LINK_QUALITY, + .event_handler = NULL}, + {.event_cause = EVENT_PRE_BEACON_LOST, + .event_handler = NULL}, + {.event_cause = EVENT_WEP_ICV_ERR, + .event_handler = NULL}, + {.event_cause = EVENT_BW_CHANGE, + .event_handler = NULL}, + {.event_cause = EVENT_HOSTWAKE_STAIE, + .event_handler = NULL}, + {.event_cause = EVENT_UNKNOWN_DEBUG, + .event_handler = NULL}, +}; + +static void nxpwifi_process_uap_tx_pause(struct nxpwifi_private *priv, + struct nxpwifi_ie_types_header *tlv) +{ + struct nxpwifi_tx_pause_tlv *tp; + struct nxpwifi_sta_node *sta_ptr; + + tp = (void *)tlv; + nxpwifi_dbg(priv->adapter, EVENT, + "uap tx_pause: %pM pause=%d, pkts=%d\n", + tp->peermac, tp->tx_pause, + tp->pkt_cnt); + + if (ether_addr_equal(tp->peermac, priv->netdev->dev_addr)) { + if (tp->tx_pause) + priv->port_open = false; + else + priv->port_open = true; + } else if (is_multicast_ether_addr(tp->peermac)) { + nxpwifi_update_ralist_tx_pause(priv, tp->peermac, tp->tx_pause); + } else { + rcu_read_lock(); + sta_ptr = nxpwifi_get_sta_entry(priv, tp->peermac); + if (sta_ptr && sta_ptr->tx_pause != tp->tx_pause) { + sta_ptr->tx_pause = tp->tx_pause; + nxpwifi_update_ralist_tx_pause(priv, tp->peermac, + tp->tx_pause); + } + rcu_read_unlock(); + } +} + +static void nxpwifi_process_sta_tx_pause(struct nxpwifi_private *priv, + struct nxpwifi_ie_types_header *tlv) +{ + struct nxpwifi_tx_pause_tlv *tp; + + tp = (void *)tlv; + nxpwifi_dbg(priv->adapter, EVENT, + "sta tx_pause: %pM pause=%d, pkts=%d\n", + tp->peermac, tp->tx_pause, + tp->pkt_cnt); + + if (ether_addr_equal(tp->peermac, priv->cfg_bssid)) { + if (tp->tx_pause) + priv->port_open = false; + else + priv->port_open = true; + } +} + +/* + * Reset connection state after a firmware-triggered disconnect. + * Clears link state, queues, RSSI/SNR and security settings, + * saves previous SSID/BSSID for possible reassociation, + * and notifies cfg80211. + */ +void nxpwifi_reset_connect_state(struct nxpwifi_private *priv, u16 reason_code, + bool from_ap) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!priv->media_connected) + return; + + nxpwifi_dbg(adapter, INFO, + "info: handles disconnect event\n"); + + priv->media_connected = false; + + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + + priv->scan_block = false; + priv->port_open = false; + + /* Free Tx and Rx packets, report disconnect to upper layer */ + nxpwifi_clean_txrx(priv); + + /* Reset SNR/NF/RSSI values */ + priv->data_rssi_last = 0; + priv->data_nf_last = 0; + priv->data_rssi_avg = 0; + priv->data_nf_avg = 0; + priv->bcn_rssi_last = 0; + priv->bcn_nf_last = 0; + priv->bcn_rssi_avg = 0; + priv->bcn_nf_avg = 0; + priv->rxpd_rate = 0; + priv->rxpd_htinfo = 0; + priv->sec_info.wpa_enabled = false; + priv->sec_info.wpa2_enabled = false; + priv->wpa_ie_len = 0; + + priv->sec_info.encryption_mode = 0; + + /* Enable auto data rate */ + priv->is_data_rate_auto = true; + priv->data_rate = 0; + + priv->assoc_resp_ht_param = 0; + priv->ht_param_present = false; + + if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA || + GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) && priv->hist_data) + nxpwifi_hist_data_reset(priv); + + /* + * Memorize the previous SSID and BSSID so + * it could be used for re-assoc + */ + + nxpwifi_dbg(adapter, INFO, + "info: previous SSID=%s, SSID len=%u\n", + priv->prev_ssid.ssid, priv->prev_ssid.ssid_len); + + nxpwifi_dbg(adapter, INFO, + "info: current SSID=%s, SSID len=%u\n", + priv->curr_bss_params.bss_descriptor.ssid.ssid, + priv->curr_bss_params.bss_descriptor.ssid.ssid_len); + + memcpy(&priv->prev_ssid, + &priv->curr_bss_params.bss_descriptor.ssid, + sizeof(struct cfg80211_ssid)); + + memcpy(priv->prev_bssid, + priv->curr_bss_params.bss_descriptor.mac_address, ETH_ALEN); + + /* Need to erase the current SSID and BSSID info */ + memset(&priv->curr_bss_params, 0x00, sizeof(priv->curr_bss_params)); + + adapter->tx_lock_flag = false; + adapter->pps_uapsd_mode = false; + + if (test_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags) && + adapter->curr_cmd) + return; + + priv->media_connected = false; + nxpwifi_dbg(adapter, MSG, + "info: successfully disconnected from %pM: reason code %d\n", + priv->cfg_bssid, reason_code); + + if (priv->bss_mode == NL80211_IFTYPE_STATION) { + if (adapter->host_mlme_link_lost) + nxpwifi_host_mlme_disconnect(adapter->priv_link_lost, + reason_code, NULL); + else + cfg80211_disconnected(priv->netdev, reason_code, NULL, + 0, !from_ap, GFP_KERNEL); + } + eth_zero_addr(priv->cfg_bssid); + + nxpwifi_stop_net_dev_queue(priv->netdev, adapter); + netif_carrier_off(priv->netdev); + + if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) + return; + + nxpwifi_send_cmd(priv, HOST_CMD_GTK_REKEY_OFFLOAD_CFG, + HOST_ACT_GEN_REMOVE, 0, NULL, false); +} + +void nxpwifi_reset_conn_state_work(struct wiphy *wiphy, struct wiphy_work *work) +{ + struct nxpwifi_private *priv = container_of(work, + struct nxpwifi_private, + reset_conn_state_work); + + nxpwifi_reset_connect_state(priv, priv->last_deauth_reason, true); +} + +void nxpwifi_process_multi_chan_event(struct nxpwifi_private *priv, + struct sk_buff *event_skb) +{ + struct nxpwifi_ie_types_multi_chan_info *chan_info; + struct nxpwifi_ie_types_mc_group_info *grp_info; + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ie_types_header *tlv; + u16 tlv_buf_left, tlv_type, tlv_len; + int intf_num, bss_type, bss_num, i; + struct nxpwifi_private *intf_priv; + + tlv_buf_left = event_skb->len - sizeof(u32); + chan_info = (void *)event_skb->data + sizeof(u32); + + if (le16_to_cpu(chan_info->header.type) != TLV_TYPE_MULTI_CHAN_INFO || + tlv_buf_left < sizeof(struct nxpwifi_ie_types_multi_chan_info)) { + nxpwifi_dbg(adapter, ERROR, + "unknown TLV in chan_info event\n"); + return; + } + + adapter->usb_mc_status = le16_to_cpu(chan_info->status); + nxpwifi_dbg(adapter, EVENT, "multi chan operation %s\n", + adapter->usb_mc_status ? "started" : "over"); + + tlv_buf_left -= sizeof(struct nxpwifi_ie_types_multi_chan_info); + tlv = (struct nxpwifi_ie_types_header *)chan_info->tlv_buffer; + + while (tlv_buf_left >= (int)sizeof(struct nxpwifi_ie_types_header)) { + tlv_type = le16_to_cpu(tlv->type); + tlv_len = le16_to_cpu(tlv->len); + if ((sizeof(struct nxpwifi_ie_types_header) + tlv_len) > + tlv_buf_left) { + nxpwifi_dbg(adapter, ERROR, "wrong tlv: tlvLen=%d,\t" + "tlvBufLeft=%d\n", tlv_len, tlv_buf_left); + break; + } + if (tlv_type != TLV_TYPE_MC_GROUP_INFO) { + nxpwifi_dbg(adapter, ERROR, "wrong tlv type: 0x%x\n", + tlv_type); + break; + } + + grp_info = (struct nxpwifi_ie_types_mc_group_info *)tlv; + intf_num = grp_info->intf_num; + for (i = 0; i < intf_num; i++) { + bss_type = grp_info->bss_type_numlist[i] >> 4; + bss_num = grp_info->bss_type_numlist[i] & BSS_NUM_MASK; + intf_priv = nxpwifi_get_priv_by_id(adapter, bss_num, + bss_type); + if (!intf_priv) { + nxpwifi_dbg(adapter, ERROR, + "Invalid bss_type bss_num\t" + "in multi channel event\n"); + continue; + } + } + + tlv_buf_left -= sizeof(struct nxpwifi_ie_types_header) + + tlv_len; + tlv = (void *)((u8 *)tlv + tlv_len + + sizeof(struct nxpwifi_ie_types_header)); + } +} + +void nxpwifi_process_tx_pause_event(struct nxpwifi_private *priv, + struct sk_buff *event_skb) +{ + struct nxpwifi_ie_types_header *tlv; + u16 tlv_type, tlv_len; + int tlv_buf_left; + + if (!priv->media_connected) { + nxpwifi_dbg(priv->adapter, ERROR, + "tx_pause event while disconnected; bss_role=%d\n", + priv->bss_role); + return; + } + + tlv_buf_left = event_skb->len - sizeof(u32); + tlv = (void *)event_skb->data + sizeof(u32); + + while (tlv_buf_left >= (int)sizeof(struct nxpwifi_ie_types_header)) { + tlv_type = le16_to_cpu(tlv->type); + tlv_len = le16_to_cpu(tlv->len); + if ((sizeof(struct nxpwifi_ie_types_header) + tlv_len) > + tlv_buf_left) { + nxpwifi_dbg(priv->adapter, ERROR, + "wrong tlv: tlvLen=%d, tlvBufLeft=%d\n", + tlv_len, tlv_buf_left); + break; + } + if (tlv_type == TLV_TYPE_TX_PAUSE) { + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) + nxpwifi_process_sta_tx_pause(priv, tlv); + else + nxpwifi_process_uap_tx_pause(priv, tlv); + } + + tlv_buf_left -= sizeof(struct nxpwifi_ie_types_header) + + tlv_len; + tlv = (void *)((u8 *)tlv + tlv_len + + sizeof(struct nxpwifi_ie_types_header)); + } +} + +/* + * Handle BT coexistence event. Parse TLVs and update + * coexistence aggregation window and scan timing parameters. + */ +void nxpwifi_bt_coex_wlan_param_update_event(struct nxpwifi_private *priv, + struct sk_buff *event_skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_ie_types_header *tlv; + struct nxpwifi_ie_types_btcoex_aggr_win_size *winsizetlv; + struct nxpwifi_ie_types_btcoex_scan_time *scantlv; + s32 len = event_skb->len - sizeof(u32); + u8 *cur_ptr = event_skb->data + sizeof(u32); + u16 tlv_type, tlv_len; + + while (len >= sizeof(struct nxpwifi_ie_types_header)) { + tlv = (struct nxpwifi_ie_types_header *)cur_ptr; + tlv_len = le16_to_cpu(tlv->len); + tlv_type = le16_to_cpu(tlv->type); + + if ((tlv_len + sizeof(struct nxpwifi_ie_types_header)) > len) + break; + switch (tlv_type) { + case TLV_BTCOEX_WL_AGGR_WINSIZE: + winsizetlv = + (struct nxpwifi_ie_types_btcoex_aggr_win_size *)tlv; + adapter->coex_win_size = winsizetlv->coex_win_size; + adapter->coex_tx_win_size = + winsizetlv->tx_win_size; + adapter->coex_rx_win_size = + winsizetlv->rx_win_size; + nxpwifi_coex_ampdu_rxwinsize(adapter); + nxpwifi_update_ampdu_txwinsize(adapter); + break; + + case TLV_BTCOEX_WL_SCANTIME: + scantlv = + (struct nxpwifi_ie_types_btcoex_scan_time *)tlv; + adapter->coex_scan = scantlv->coex_scan; + adapter->coex_min_scan_time = le16_to_cpu(scantlv->min_scan_time); + adapter->coex_max_scan_time = le16_to_cpu(scantlv->max_scan_time); + break; + + default: + break; + } + + len -= tlv_len + sizeof(struct nxpwifi_ie_types_header); + cur_ptr += tlv_len + + sizeof(struct nxpwifi_ie_types_header); + } + + nxpwifi_dbg(adapter, INFO, "coex_scan=%d min_scan=%d coex_win=%d, tx_win=%d rx_win=%d\n", + adapter->coex_scan, adapter->coex_min_scan_time, + adapter->coex_win_size, adapter->coex_tx_win_size, + adapter->coex_rx_win_size); +} + +/* + * Dispatch station firmware event based on event_cause. + * Looks up the handler in the station event table and invokes it. + */ +int nxpwifi_process_sta_event(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u32 eventcause = adapter->event_cause; + int evt, ret = 0; + + for (evt = 0; evt < ARRAY_SIZE(evt_table_sta); evt++) { + if (eventcause == evt_table_sta[evt].event_cause) { + if (evt_table_sta[evt].event_handler) + ret = evt_table_sta[evt].event_handler(priv); + break; + } + } + + if (evt == ARRAY_SIZE(evt_table_sta)) + nxpwifi_dbg(adapter, EVENT, + "%s: unknown event id: %#x\n", + __func__, eventcause); + else + nxpwifi_dbg(adapter, EVENT, + "%s: event id: %#x\n", + __func__, eventcause); + + return ret; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/sta_rx.c b/drivers/net/wireless/nxp/nxpwifi/sta_rx.c new file mode 100644 index 000000000000..d951d21eb41c --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/sta_rx.c @@ -0,0 +1,242 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: station RX data handling + * + * Copyright 2011-2024 NXP + */ + +#include +#include +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "11n_aggr.h" +#include "11n_rxreorder.h" + +/* + * Drop gratuitous IPv4 ARP and IPv6 neighbour advertisements when + * source and destination addresses are identical. + */ +static bool +nxpwifi_discard_gratuitous_arp(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + const struct nxpwifi_arp_eth_header *arp; + struct ethhdr *eth; + struct ipv6hdr *ipv6; + struct icmp6hdr *icmpv6; + + eth = (struct ethhdr *)skb->data; + switch (ntohs(eth->h_proto)) { + case ETH_P_ARP: + arp = (void *)(skb->data + sizeof(struct ethhdr)); + if (arp->hdr.ar_op == htons(ARPOP_REPLY) || + arp->hdr.ar_op == htons(ARPOP_REQUEST)) { + if (!memcmp(arp->ar_sip, arp->ar_tip, 4)) + return true; + } + break; + case ETH_P_IPV6: + ipv6 = (void *)(skb->data + sizeof(struct ethhdr)); + icmpv6 = (void *)(skb->data + sizeof(struct ethhdr) + + sizeof(struct ipv6hdr)); + if (icmpv6->icmp6_type == NDISC_NEIGHBOUR_ADVERTISEMENT) { + if (!memcmp(&ipv6->saddr, &ipv6->daddr, + sizeof(struct in6_addr))) + return true; + } + break; + default: + break; + } + + return false; +} + +/* + * Process a received data packet. + * Convert 802.2/LLC/SNAP to Ethernet II when appropriate, trim the + * rxpd and extra headers, optionally drop gratuitous ARP/NA, cache + * RX rate for unicast, then deliver to the stack. + */ +int nxpwifi_process_rx_packet(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + int ret; + struct rx_packet_hdr *rx_pkt_hdr; + struct rxpd *local_rx_pd; + int hdr_chop; + struct ethhdr *eth; + u16 rx_pkt_off; + u8 adj_rx_rate = 0; + + local_rx_pd = (struct rxpd *)(skb->data); + + rx_pkt_off = le16_to_cpu(local_rx_pd->rx_pkt_offset); + rx_pkt_hdr = (void *)local_rx_pd + rx_pkt_off; + + if (sizeof(rx_pkt_hdr->eth803_hdr) + sizeof(rfc1042_header) + + rx_pkt_off > skb->len) { + priv->stats.rx_dropped++; + dev_kfree_skb_any(skb); + return -EINVAL; + } + + if (sizeof(*rx_pkt_hdr) + rx_pkt_off <= skb->len && + ((!memcmp(&rx_pkt_hdr->rfc1042_hdr, bridge_tunnel_header, + sizeof(bridge_tunnel_header))) || + (!memcmp(&rx_pkt_hdr->rfc1042_hdr, rfc1042_header, + sizeof(rfc1042_header)) && + rx_pkt_hdr->rfc1042_hdr.snap_type != htons(ETH_P_AARP) && + rx_pkt_hdr->rfc1042_hdr.snap_type != htons(ETH_P_IPX)))) { + /* + * Replace the 803 header and rfc1042 header (llc/snap) with an + * EthernetII header, keep the src/dst and snap_type + * (ethertype). + * The firmware only passes up SNAP frames converting + * all RX Data from 802.11 to 802.2/LLC/SNAP frames. + * To create the Ethernet II, just move the src, dst address + * right before the snap_type. + */ + eth = (struct ethhdr *) + ((u8 *)&rx_pkt_hdr->eth803_hdr + + sizeof(rx_pkt_hdr->eth803_hdr) + + sizeof(rx_pkt_hdr->rfc1042_hdr) + - sizeof(rx_pkt_hdr->eth803_hdr.h_dest) + - sizeof(rx_pkt_hdr->eth803_hdr.h_source) + - sizeof(rx_pkt_hdr->rfc1042_hdr.snap_type)); + + memcpy(eth->h_source, rx_pkt_hdr->eth803_hdr.h_source, + sizeof(eth->h_source)); + memcpy(eth->h_dest, rx_pkt_hdr->eth803_hdr.h_dest, + sizeof(eth->h_dest)); + + /* + * Chop off the rxpd + the excess memory from the 802.2/llc/snap + * header that was removed. + */ + hdr_chop = (u8 *)eth - (u8 *)local_rx_pd; + } else { + /* Chop off the rxpd */ + hdr_chop = (u8 *)&rx_pkt_hdr->eth803_hdr - (u8 *)local_rx_pd; + } + + /* + * Chop off the leading header bytes so the it points to the start of + * either the reconstructed EthII frame or the 802.2/llc/snap frame + */ + skb_pull(skb, hdr_chop); + + if (priv->hs2_enabled && + nxpwifi_discard_gratuitous_arp(priv, skb)) { + nxpwifi_dbg(priv->adapter, INFO, "Bypassed Gratuitous ARP\n"); + dev_kfree_skb_any(skb); + return 0; + } + + /* Only stash RX bitrate for unicast packets. */ + if (likely(!is_multicast_ether_addr(rx_pkt_hdr->eth803_hdr.h_dest))) { + priv->rxpd_rate = local_rx_pd->rx_rate; + priv->rxpd_htinfo = local_rx_pd->rate_info; + } + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA || + GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + adj_rx_rate = nxpwifi_adjust_data_rate(priv, + local_rx_pd->rx_rate, + local_rx_pd->rate_info); + nxpwifi_hist_data_add(priv, adj_rx_rate, local_rx_pd->snr, + local_rx_pd->nf); + } + + ret = nxpwifi_recv_packet(priv, skb); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "recv packet failed\n"); + + return ret; +} + +/* + * Process a received buffer on the STA path. + * Validate RxPD and lengths, handle monitor/mgmt frames, fast-path + * non-unicast frames, and feed unicast data into 11n reorder/BA logic. + */ +int nxpwifi_process_sta_rx_packet(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret = 0; + struct rxpd *local_rx_pd; + struct rx_packet_hdr *rx_pkt_hdr; + u8 ta[ETH_ALEN]; + u16 rx_pkt_type, rx_pkt_offset, rx_pkt_length, seq_num; + + local_rx_pd = (struct rxpd *)(skb->data); + rx_pkt_type = le16_to_cpu(local_rx_pd->rx_pkt_type); + rx_pkt_offset = le16_to_cpu(local_rx_pd->rx_pkt_offset); + rx_pkt_length = le16_to_cpu(local_rx_pd->rx_pkt_length); + seq_num = le16_to_cpu(local_rx_pd->seq_num); + + rx_pkt_hdr = (void *)local_rx_pd + rx_pkt_offset; + + if ((rx_pkt_offset + rx_pkt_length) > skb->len || + sizeof(rx_pkt_hdr->eth803_hdr) + rx_pkt_offset > skb->len) { + nxpwifi_dbg(adapter, ERROR, + "wrong rx packet: len=%d, rx_pkt_offset=%d, rx_pkt_length=%d\n", + skb->len, rx_pkt_offset, rx_pkt_length); + priv->stats.rx_dropped++; + dev_kfree_skb_any(skb); + return ret; + } + + if (priv->adapter->enable_net_mon && rx_pkt_type == PKT_TYPE_802DOT11) { + ret = nxpwifi_recv_packet_to_monif(priv, skb); + if (ret) + dev_kfree_skb_any(skb); + return ret; + } + + if (rx_pkt_type == PKT_TYPE_MGMT) { + ret = nxpwifi_process_mgmt_packet(priv, skb); + if (ret && (ret != -EINPROGRESS)) + nxpwifi_dbg(adapter, DATA, "Rx of mgmt packet failed"); + if (ret != -EINPROGRESS) + dev_kfree_skb_any(skb); + return ret; + } + + /* + * If the packet is not an unicast packet then send the packet + * directly to os. Don't pass thru rx reordering + */ + if (!IS_11N_ENABLED(priv) || + !ether_addr_equal_unaligned(priv->curr_addr, + rx_pkt_hdr->eth803_hdr.h_dest)) { + nxpwifi_process_rx_packet(priv, skb); + return ret; + } + + if (nxpwifi_queuing_ra_based(priv)) { + memcpy(ta, rx_pkt_hdr->eth803_hdr.h_source, ETH_ALEN); + } else { + if (rx_pkt_type != PKT_TYPE_BAR && + local_rx_pd->priority < MAX_NUM_TID) + priv->rx_seq[local_rx_pd->priority] = seq_num; + memcpy(ta, priv->curr_bss_params.bss_descriptor.mac_address, + ETH_ALEN); + } + + /* Reorder and send to OS */ + ret = nxpwifi_11n_rx_reorder_pkt(priv, seq_num, local_rx_pd->priority, + ta, (u8)rx_pkt_type, skb); + + if (ret || rx_pkt_type == PKT_TYPE_BAR) + dev_kfree_skb_any(skb); + + if (ret) + priv->stats.rx_dropped++; + + return ret; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/sta_tx.c b/drivers/net/wireless/nxp/nxpwifi/sta_tx.c new file mode 100644 index 000000000000..10f963bc4e00 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/sta_tx.c @@ -0,0 +1,190 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: station TX data handling + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" + +/* + * Fill TxPD for TX packets by inserting it before payload and setting required fields. + */ +void nxpwifi_process_sta_txpd(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct txpd *local_tx_pd; + struct nxpwifi_txinfo *tx_info = NXPWIFI_SKB_TXCB(skb); + unsigned int pad; + u16 pkt_type, pkt_length, pkt_offset; + int hroom = adapter->intf_hdr_len; + u32 tx_control; + + pkt_type = nxpwifi_is_skb_mgmt_frame(skb) ? PKT_TYPE_MGMT : 0; + + pad = ((uintptr_t)skb->data - (sizeof(*local_tx_pd) + hroom)) & + (NXPWIFI_DMA_ALIGN_SZ - 1); + skb_push(skb, sizeof(*local_tx_pd) + pad); + + local_tx_pd = (struct txpd *)skb->data; + memset(local_tx_pd, 0, sizeof(struct txpd)); + local_tx_pd->bss_num = priv->bss_num; + local_tx_pd->bss_type = priv->bss_type; + + pkt_length = (u16)(skb->len - (sizeof(struct txpd) + pad)); + if (pkt_type == PKT_TYPE_MGMT) + pkt_length -= NXPWIFI_MGMT_FRAME_HEADER_SIZE; + local_tx_pd->tx_pkt_length = cpu_to_le16(pkt_length); + + local_tx_pd->priority = (u8)skb->priority; + local_tx_pd->pkt_delay_2ms = + nxpwifi_wmm_compute_drv_pkt_delay(priv, skb); + + if (tx_info->flags & NXPWIFI_BUF_FLAG_EAPOL_TX_STATUS || + tx_info->flags & NXPWIFI_BUF_FLAG_ACTION_TX_STATUS) { + local_tx_pd->tx_token_id = tx_info->ack_frame_id; + local_tx_pd->flags |= NXPWIFI_TXPD_FLAGS_REQ_TX_STATUS; + } + + if (local_tx_pd->priority < + ARRAY_SIZE(priv->wmm.user_pri_pkt_tx_ctrl)) { + /* + * Set the priority specific tx_control field, setting of 0 will + * cause the default value to be used later in this function + */ + tx_control = + priv->wmm.user_pri_pkt_tx_ctrl[local_tx_pd->priority]; + local_tx_pd->tx_control = cpu_to_le32(tx_control); + } + + if (adapter->pps_uapsd_mode) { + if (nxpwifi_check_last_packet_indication(priv)) { + adapter->tx_lock_flag = true; + local_tx_pd->flags = + NXPWIFI_TxPD_POWER_MGMT_LAST_PACKET; + } + } + + /* Offset of actual data */ + pkt_offset = sizeof(struct txpd) + pad; + if (pkt_type == PKT_TYPE_MGMT) { + /* Set the packet type and add header for management frame */ + local_tx_pd->tx_pkt_type = cpu_to_le16(pkt_type); + pkt_offset += NXPWIFI_MGMT_FRAME_HEADER_SIZE; + } + + local_tx_pd->tx_pkt_offset = cpu_to_le16(pkt_offset); + + /* make space for adapter->intf_hdr_len */ + skb_push(skb, hroom); + + if (!local_tx_pd->tx_control) + /* TxCtrl set by user or default */ + local_tx_pd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl); +} + +/* Send a NULL-data frame with TxPD at highest priority. */ +int nxpwifi_send_null_packet(struct nxpwifi_private *priv, u8 flags) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct txpd *local_tx_pd; + struct nxpwifi_tx_param tx_param; +/* sizeof(struct txpd) + Interface specific header */ +#define NULL_PACKET_HDR 64 + u32 data_len = NULL_PACKET_HDR; + struct sk_buff *skb; + int ret; + struct nxpwifi_txinfo *tx_info = NULL; + + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags)) + return -EPERM; + + if (!priv->media_connected) + return -EPERM; + + if (adapter->data_sent) + return -EBUSY; + + skb = dev_alloc_skb(data_len); + if (!skb) + return -ENOMEM; + + tx_info = NXPWIFI_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); + tx_info->bss_num = priv->bss_num; + tx_info->bss_type = priv->bss_type; + tx_info->pkt_len = data_len - + (sizeof(struct txpd) + adapter->intf_hdr_len); + skb_reserve(skb, sizeof(struct txpd) + adapter->intf_hdr_len); + skb_push(skb, sizeof(struct txpd)); + + local_tx_pd = (struct txpd *)skb->data; + local_tx_pd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl); + local_tx_pd->flags = flags; + local_tx_pd->priority = WMM_HIGHEST_PRIORITY; + local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd)); + local_tx_pd->bss_num = priv->bss_num; + local_tx_pd->bss_type = priv->bss_type; + + skb_push(skb, adapter->intf_hdr_len); + tx_param.next_pkt_len = 0; + ret = adapter->if_ops.host_to_card(adapter, NXPWIFI_TYPE_DATA, + skb, &tx_param); + + switch (ret) { + case -EBUSY: + dev_kfree_skb_any(skb); + nxpwifi_dbg(adapter, ERROR, + "%s: host_to_card failed: ret=%d\n", + __func__, ret); + adapter->dbg.num_tx_host_to_card_failure++; + break; + case 0: + dev_kfree_skb_any(skb); + nxpwifi_dbg(adapter, DATA, + "data: %s: host_to_card succeeded\n", + __func__); + adapter->tx_lock_flag = true; + break; + case -EINPROGRESS: + adapter->tx_lock_flag = true; + break; + default: + dev_kfree_skb_any(skb); + nxpwifi_dbg(adapter, ERROR, + "%s: host_to_card failed: ret=%d\n", + __func__, ret); + adapter->dbg.num_tx_host_to_card_failure++; + break; + } + + return ret; +} + +/* Check whether a last‑packet indication needs to be sent. */ +u8 nxpwifi_check_last_packet_indication(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u8 ret = false; + + if (!adapter->sleep_period.period) + return ret; + if (nxpwifi_wmm_lists_empty(adapter)) + ret = true; + + if (ret && !adapter->cmd_sent && !adapter->curr_cmd && + !nxpwifi_is_command_pending(adapter)) { + adapter->delay_null_pkt = false; + ret = true; + } else { + ret = false; + adapter->delay_null_pkt = true; + } + return ret; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/txrx.c b/drivers/net/wireless/nxp/nxpwifi/txrx.c new file mode 100644 index 000000000000..6e8b49138e57 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/txrx.c @@ -0,0 +1,352 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: generic TX/RX data handling + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "wmm.h" + +/* + * Parse the RxPD, select the target interface, and dispatch the packet for + * handling. + */ +int nxpwifi_handle_rx_packet(struct nxpwifi_adapter *adapter, + struct sk_buff *skb) +{ + struct nxpwifi_private *priv = + nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + struct rxpd *local_rx_pd; + struct nxpwifi_rxinfo *rx_info = NXPWIFI_SKB_RXCB(skb); + int ret; + + local_rx_pd = (struct rxpd *)(skb->data); + /* Get the BSS number from rxpd, get corresponding priv */ + priv = nxpwifi_get_priv_by_id(adapter, local_rx_pd->bss_num & + BSS_NUM_MASK, local_rx_pd->bss_type); + if (!priv) + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + + if (!priv) { + nxpwifi_dbg(adapter, ERROR, + "data: priv not found. Drop RX packet\n"); + dev_kfree_skb_any(skb); + return -EINVAL; + } + + nxpwifi_dbg_dump(adapter, DAT_D, "rx pkt:", skb->data, + min_t(size_t, skb->len, DEBUG_DUMP_DATA_MAX_LEN)); + + memset(rx_info, 0, sizeof(*rx_info)); + rx_info->bss_num = priv->bss_num; + rx_info->bss_type = priv->bss_type; + + if (priv->bss_role == NXPWIFI_BSS_ROLE_UAP) + ret = nxpwifi_process_uap_rx_packet(priv, skb); + else + ret = nxpwifi_process_sta_rx_packet(priv, skb); + + return ret; +} +EXPORT_SYMBOL_GPL(nxpwifi_handle_rx_packet); + +/* + * Add TxPD, validate, send the packet to firmware, then run completion + * callback. + */ +int nxpwifi_process_tx(struct nxpwifi_private *priv, struct sk_buff *skb, + struct nxpwifi_tx_param *tx_param) +{ + int hroom, ret; + struct nxpwifi_adapter *adapter = priv->adapter; + struct txpd *local_tx_pd = NULL; + struct nxpwifi_sta_node *dest_node; + struct ethhdr *hdr = (void *)skb->data; + + if (unlikely(!skb->len || + skb_headroom(skb) < NXPWIFI_MIN_DATA_HEADER_LEN)) { + ret = -EINVAL; + goto out; + } + + hroom = adapter->intf_hdr_len; + + if (priv->bss_role == NXPWIFI_BSS_ROLE_UAP) { + rcu_read_lock(); + dest_node = nxpwifi_get_sta_entry(priv, hdr->h_dest); + if (dest_node) { + dest_node->stats.tx_bytes += skb->len; + dest_node->stats.tx_packets++; + } + rcu_read_unlock(); + nxpwifi_process_uap_txpd(priv, skb); + } else { + nxpwifi_process_sta_txpd(priv, skb); + } + + if ((adapter->data_sent || adapter->tx_lock_flag)) { + skb_queue_tail(&adapter->tx_data_q, skb); + atomic_inc(&adapter->tx_queued); + return 0; + } + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) + local_tx_pd = (struct txpd *)(skb->data + hroom); + ret = adapter->if_ops.host_to_card(adapter, + NXPWIFI_TYPE_DATA, + skb, tx_param); + nxpwifi_dbg_dump(adapter, DAT_D, "tx pkt:", skb->data, + min_t(size_t, skb->len, DEBUG_DUMP_DATA_MAX_LEN)); + +out: + switch (ret) { + case -ENOSR: + nxpwifi_dbg(adapter, DATA, "data: -ENOSR is returned\n"); + break; + case -EBUSY: + if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) && + adapter->pps_uapsd_mode && adapter->tx_lock_flag) { + priv->adapter->tx_lock_flag = false; + if (local_tx_pd) + local_tx_pd->flags = 0; + } + nxpwifi_dbg(adapter, ERROR, "data: -EBUSY is returned\n"); + break; + case -EINPROGRESS: + break; + case -EINVAL: + nxpwifi_dbg(adapter, ERROR, + "malformed skb (length: %u, headroom: %u)\n", + skb->len, skb_headroom(skb)); + fallthrough; + case 0: + nxpwifi_write_data_complete(adapter, skb, 0, ret); + break; + default: + nxpwifi_dbg(adapter, ERROR, + "nxpwifi_write_data_async failed: 0x%X\n", + ret); + adapter->dbg.num_tx_host_to_card_failure++; + nxpwifi_write_data_complete(adapter, skb, 0, ret); + break; + } + + return ret; +} + +static int nxpwifi_host_to_card(struct nxpwifi_adapter *adapter, + struct sk_buff *skb, + struct nxpwifi_tx_param *tx_param) +{ + struct txpd *local_tx_pd = NULL; + u8 *head_ptr = skb->data; + int ret = 0; + struct nxpwifi_private *priv; + struct nxpwifi_txinfo *tx_info; + + tx_info = NXPWIFI_SKB_TXCB(skb); + priv = nxpwifi_get_priv_by_id(adapter, tx_info->bss_num, + tx_info->bss_type); + if (!priv) { + nxpwifi_dbg(adapter, ERROR, + "data: priv not found. Drop TX packet\n"); + adapter->dbg.num_tx_host_to_card_failure++; + nxpwifi_write_data_complete(adapter, skb, 0, 0); + return ret; + } + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) + local_tx_pd = (struct txpd *)(head_ptr + adapter->intf_hdr_len); + + ret = adapter->if_ops.host_to_card(adapter, + NXPWIFI_TYPE_DATA, + skb, tx_param); + + switch (ret) { + case -ENOSR: + nxpwifi_dbg(adapter, ERROR, "data: -ENOSR is returned\n"); + break; + case -EBUSY: + if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) && + adapter->pps_uapsd_mode && + adapter->tx_lock_flag) { + priv->adapter->tx_lock_flag = false; + if (local_tx_pd) + local_tx_pd->flags = 0; + } + skb_queue_head(&adapter->tx_data_q, skb); + if (tx_info->flags & NXPWIFI_BUF_FLAG_AGGR_PKT) + atomic_add(tx_info->aggr_num, &adapter->tx_queued); + else + atomic_inc(&adapter->tx_queued); + nxpwifi_dbg(adapter, ERROR, "data: -EBUSY is returned\n"); + break; + case -EINPROGRESS: + break; + case 0: + nxpwifi_write_data_complete(adapter, skb, 0, ret); + break; + default: + nxpwifi_dbg(adapter, ERROR, + "nxpwifi_write_data_async failed: 0x%X\n", ret); + adapter->dbg.num_tx_host_to_card_failure++; + nxpwifi_write_data_complete(adapter, skb, 0, ret); + break; + } + return ret; +} + +static int +nxpwifi_dequeue_tx_queue(struct nxpwifi_adapter *adapter) +{ + struct sk_buff *skb, *skb_next; + struct nxpwifi_txinfo *tx_info; + struct nxpwifi_tx_param tx_param; + + skb = skb_dequeue(&adapter->tx_data_q); + if (!skb) + return -ENOMEM; + + tx_info = NXPWIFI_SKB_TXCB(skb); + if (tx_info->flags & NXPWIFI_BUF_FLAG_AGGR_PKT) + atomic_sub(tx_info->aggr_num, &adapter->tx_queued); + else + atomic_dec(&adapter->tx_queued); + + if (!skb_queue_empty(&adapter->tx_data_q)) + skb_next = skb_peek(&adapter->tx_data_q); + else + skb_next = NULL; + tx_param.next_pkt_len = ((skb_next) ? skb_next->len : 0); + if (!tx_param.next_pkt_len) { + if (!nxpwifi_wmm_lists_empty(adapter)) + tx_param.next_pkt_len = 1; + } + return nxpwifi_host_to_card(adapter, skb, &tx_param); +} + +void +nxpwifi_process_tx_queue(struct nxpwifi_adapter *adapter) +{ + do { + if (adapter->data_sent || adapter->tx_lock_flag) + break; + if (nxpwifi_dequeue_tx_queue(adapter)) + break; + } while (!skb_queue_empty(&adapter->tx_data_q)); +} + +/* + * Packet send completion callback handler. + * + * It either frees the buffer directly or forwards it to another + * completion callback which checks conditions, updates statistics, + * wakes up stalled traffic queue if required, and then frees the buffer. + */ +int nxpwifi_write_data_complete(struct nxpwifi_adapter *adapter, + struct sk_buff *skb, int aggr, int status) +{ + struct nxpwifi_private *priv; + struct nxpwifi_txinfo *tx_info; + struct netdev_queue *txq; + int index; + + if (!skb) + return 0; + + tx_info = NXPWIFI_SKB_TXCB(skb); + priv = nxpwifi_get_priv_by_id(adapter, tx_info->bss_num, + tx_info->bss_type); + if (!priv) + goto done; + + nxpwifi_set_trans_start(priv->netdev); + + if (tx_info->flags & NXPWIFI_BUF_FLAG_BRIDGED_PKT) + atomic_dec_return(&adapter->pending_bridged_pkts); + + if (tx_info->flags & NXPWIFI_BUF_FLAG_AGGR_PKT) + goto done; + + if (!status) { + priv->stats.tx_packets++; + priv->stats.tx_bytes += tx_info->pkt_len; + if (priv->tx_timeout_cnt) + priv->tx_timeout_cnt = 0; + } else { + priv->stats.tx_errors++; + } + + if (aggr) + /* For skb_aggr, do not wake up tx queue */ + goto done; + + atomic_dec(&adapter->tx_pending); + + index = nxpwifi_1d_to_wmm_queue[skb->priority]; + if (atomic_dec_return(&priv->wmm_tx_pending[index]) < LOW_TX_PENDING) { + txq = netdev_get_tx_queue(priv->netdev, index); + if (netif_tx_queue_stopped(txq)) { + netif_tx_wake_queue(txq); + nxpwifi_dbg(adapter, DATA, "wake queue: %d\n", index); + } + } +done: + dev_kfree_skb_any(skb); + + return 0; +} +EXPORT_SYMBOL_GPL(nxpwifi_write_data_complete); + +void nxpwifi_parse_tx_status_event(struct nxpwifi_private *priv, + void *event_body) +{ + struct tx_status_event *tx_status = (void *)priv->adapter->event_body; + struct sk_buff *ack_skb; + struct nxpwifi_txinfo *tx_info; + + if (!tx_status->tx_token_id) + return; + + spin_lock_bh(&priv->ack_status_lock); + ack_skb = xa_erase(&priv->ack_status_frames, tx_status->tx_token_id); + spin_unlock_bh(&priv->ack_status_lock); + + if (ack_skb) { + tx_info = NXPWIFI_SKB_TXCB(ack_skb); + + if (tx_info->flags & NXPWIFI_BUF_FLAG_EAPOL_TX_STATUS) { + /* consumes ack_skb */ + skb_complete_wifi_ack(ack_skb, !tx_status->status); + } else { + /* Remove broadcast address which was added by driver */ + memmove(ack_skb->data + + sizeof(struct ieee80211_hdr_3addr) + + NXPWIFI_MGMT_FRAME_HEADER_SIZE + sizeof(u16), + ack_skb->data + + sizeof(struct ieee80211_hdr_3addr) + + NXPWIFI_MGMT_FRAME_HEADER_SIZE + sizeof(u16) + + ETH_ALEN, ack_skb->len - + (sizeof(struct ieee80211_hdr_3addr) + + NXPWIFI_MGMT_FRAME_HEADER_SIZE + sizeof(u16) + + ETH_ALEN)); + ack_skb->len = ack_skb->len - ETH_ALEN; + /* + * Remove driver's proprietary header including 2 bytes + * of packet length and pass actual management frame buffer + * to cfg80211. + */ + cfg80211_mgmt_tx_status(&priv->wdev, tx_info->cookie, + ack_skb->data + + NXPWIFI_MGMT_FRAME_HEADER_SIZE + + sizeof(u16), ack_skb->len - + (NXPWIFI_MGMT_FRAME_HEADER_SIZE + + sizeof(u16)), + !tx_status->status, GFP_ATOMIC); + dev_kfree_skb_any(ack_skb); + } + } +} diff --git a/drivers/net/wireless/nxp/nxpwifi/uap_cmd.c b/drivers/net/wireless/nxp/nxpwifi/uap_cmd.c new file mode 100644 index 000000000000..04551847643f --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/uap_cmd.c @@ -0,0 +1,1256 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: AP specific command handling + * + * Copyright 2011-2024 NXP + */ + +#include "main.h" +#include "cmdevt.h" +#include "11n.h" +#include "11ac.h" +#include "11ax.h" + +/* Parse BSS params and append WPA/WPA2 TLVs to the command buffer. */ +static void +nxpwifi_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size) +{ + struct host_cmd_tlv_pwk_cipher *pwk_cipher; + struct host_cmd_tlv_gwk_cipher *gwk_cipher; + struct host_cmd_tlv_passphrase *passphrase; + struct host_cmd_tlv_akmp *tlv_akmp; + struct nxpwifi_uap_bss_param *bss_cfg = cmd_buf; + u16 cmd_size = *param_size; + u8 *tlv = *tlv_buf; + + tlv_akmp = (struct host_cmd_tlv_akmp *)tlv; + tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP); + tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) - + sizeof(struct nxpwifi_ie_types_header)); + tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation); + tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt); + cmd_size += sizeof(struct host_cmd_tlv_akmp); + tlv += sizeof(struct host_cmd_tlv_akmp); + + if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) { + pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; + pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); + pwk_cipher->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - + sizeof(struct nxpwifi_ie_types_header)); + pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA); + pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa; + cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); + tlv += sizeof(struct host_cmd_tlv_pwk_cipher); + } + + if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) { + pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; + pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); + pwk_cipher->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - + sizeof(struct nxpwifi_ie_types_header)); + pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2); + pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2; + cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); + tlv += sizeof(struct host_cmd_tlv_pwk_cipher); + } + + if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) { + gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv; + gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER); + gwk_cipher->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) - + sizeof(struct nxpwifi_ie_types_header)); + gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher; + cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher); + tlv += sizeof(struct host_cmd_tlv_gwk_cipher); + } + + if (bss_cfg->wpa_cfg.length) { + passphrase = (struct host_cmd_tlv_passphrase *)tlv; + passphrase->header.type = + cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE); + passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length); + memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase, + bss_cfg->wpa_cfg.length); + cmd_size += sizeof(struct nxpwifi_ie_types_header) + + bss_cfg->wpa_cfg.length; + tlv += sizeof(struct nxpwifi_ie_types_header) + + bss_cfg->wpa_cfg.length; + } + + *param_size = cmd_size; + *tlv_buf = tlv; +} + +/* Parse BSS params and append WEP TLVs to the command buffer. */ +static void +nxpwifi_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size) +{ + struct host_cmd_tlv_wep_key *wep_key; + u16 cmd_size = *param_size; + int i; + u8 *tlv = *tlv_buf; + struct nxpwifi_uap_bss_param *bss_cfg = cmd_buf; + + for (i = 0; i < NUM_WEP_KEYS; i++) { + if (bss_cfg->wep_cfg[i].length && + (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 || + bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) { + wep_key = (struct host_cmd_tlv_wep_key *)tlv; + wep_key->header.type = + cpu_to_le16(TLV_TYPE_UAP_WEP_KEY); + wep_key->header.len = + cpu_to_le16(bss_cfg->wep_cfg[i].length + 2); + wep_key->key_index = bss_cfg->wep_cfg[i].key_index; + wep_key->is_default = bss_cfg->wep_cfg[i].is_default; + memcpy(wep_key->key, bss_cfg->wep_cfg[i].key, + bss_cfg->wep_cfg[i].length); + cmd_size += sizeof(struct nxpwifi_ie_types_header) + 2 + + bss_cfg->wep_cfg[i].length; + tlv += sizeof(struct nxpwifi_ie_types_header) + 2 + + bss_cfg->wep_cfg[i].length; + } + } + + *param_size = cmd_size; + *tlv_buf = tlv; +} + +/* Parse BSS params and append TLVs to the command buffer. */ +static int nxpwifi_uap_bss_param_prepare(struct nxpwifi_private *priv, u8 *tlv, + void *cmd_buf, u16 *param_size) +{ + struct host_cmd_tlv_mac_addr *mac_tlv; + struct host_cmd_tlv_dtim_period *dtim_period; + struct host_cmd_tlv_beacon_period *beacon_period; + struct host_cmd_tlv_ssid *ssid; + struct host_cmd_tlv_bcast_ssid *bcast_ssid; + struct host_cmd_tlv_channel_band *chan_band; + struct host_cmd_tlv_frag_threshold *frag_threshold; + struct host_cmd_tlv_rts_threshold *rts_threshold; + struct host_cmd_tlv_retry_limit *retry_limit; + struct host_cmd_tlv_encrypt_protocol *encrypt_protocol; + struct host_cmd_tlv_auth_type *auth_type; + struct host_cmd_tlv_rates *tlv_rates; + struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer; + struct host_cmd_tlv_power_constraint *pwr_ct; + struct nxpwifi_ie_types_htcap *htcap; + struct nxpwifi_uap_bss_param *bss_cfg = cmd_buf; + int i; + u16 cmd_size = *param_size; + + mac_tlv = (struct host_cmd_tlv_mac_addr *)tlv; + mac_tlv->header.type = cpu_to_le16(TLV_TYPE_UAP_MAC_ADDRESS); + mac_tlv->header.len = cpu_to_le16(ETH_ALEN); + memcpy(mac_tlv->mac_addr, bss_cfg->mac_addr, ETH_ALEN); + cmd_size += sizeof(struct host_cmd_tlv_mac_addr); + tlv += sizeof(struct host_cmd_tlv_mac_addr); + + if (bss_cfg->ssid.ssid_len) { + ssid = (struct host_cmd_tlv_ssid *)tlv; + ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID); + ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len); + memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len); + cmd_size += sizeof(struct nxpwifi_ie_types_header) + + bss_cfg->ssid.ssid_len; + tlv += sizeof(struct nxpwifi_ie_types_header) + + bss_cfg->ssid.ssid_len; + + bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv; + bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID); + bcast_ssid->header.len = + cpu_to_le16(sizeof(bcast_ssid->bcast_ctl)); + bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl; + cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid); + tlv += sizeof(struct host_cmd_tlv_bcast_ssid); + } + if (bss_cfg->rates[0]) { + tlv_rates = (struct host_cmd_tlv_rates *)tlv; + tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES); + + for (i = 0; i < NXPWIFI_SUPPORTED_RATES && bss_cfg->rates[i]; + i++) + tlv_rates->rates[i] = bss_cfg->rates[i]; + + tlv_rates->header.len = cpu_to_le16(i); + cmd_size += sizeof(struct host_cmd_tlv_rates) + i; + tlv += sizeof(struct host_cmd_tlv_rates) + i; + } + if (bss_cfg->channel && + (((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_BG && + bss_cfg->channel <= MAX_CHANNEL_BAND_BG) || + ((bss_cfg->band_cfg & BIT(0)) == BAND_CONFIG_A && + bss_cfg->channel <= MAX_CHANNEL_BAND_A))) { + chan_band = (struct host_cmd_tlv_channel_band *)tlv; + chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); + chan_band->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) - + sizeof(struct nxpwifi_ie_types_header)); + chan_band->band_config = bss_cfg->band_cfg; + chan_band->channel = bss_cfg->channel; + cmd_size += sizeof(struct host_cmd_tlv_channel_band); + tlv += sizeof(struct host_cmd_tlv_channel_band); + } + if (bss_cfg->beacon_period >= NXPWIFI_BEACON_PERIOD_MIN && + bss_cfg->beacon_period <= NXPWIFI_BEACON_PERIOD_MAX) { + beacon_period = (struct host_cmd_tlv_beacon_period *)tlv; + beacon_period->header.type = + cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD); + beacon_period->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) - + sizeof(struct nxpwifi_ie_types_header)); + beacon_period->period = cpu_to_le16(bss_cfg->beacon_period); + cmd_size += sizeof(struct host_cmd_tlv_beacon_period); + tlv += sizeof(struct host_cmd_tlv_beacon_period); + } + if (bss_cfg->dtim_period >= NXPWIFI_MIN_DTIM_PERIOD && + bss_cfg->dtim_period <= NXPWIFI_MAX_DTIM_PERIOD) { + dtim_period = (struct host_cmd_tlv_dtim_period *)tlv; + dtim_period->header.type = + cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD); + dtim_period->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) - + sizeof(struct nxpwifi_ie_types_header)); + dtim_period->period = bss_cfg->dtim_period; + cmd_size += sizeof(struct host_cmd_tlv_dtim_period); + tlv += sizeof(struct host_cmd_tlv_dtim_period); + } + if (bss_cfg->rts_threshold <= NXPWIFI_RTS_THRESHOLD_MAX) { + rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv; + rts_threshold->header.type = + cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD); + rts_threshold->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) - + sizeof(struct nxpwifi_ie_types_header)); + rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold); + cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); + tlv += sizeof(struct host_cmd_tlv_frag_threshold); + } + if (bss_cfg->frag_threshold >= NXPWIFI_FRAG_THRESHOLD_MIN && + bss_cfg->frag_threshold <= NXPWIFI_FRAG_THRESHOLD_MAX) { + frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv; + frag_threshold->header.type = + cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD); + frag_threshold->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) - + sizeof(struct nxpwifi_ie_types_header)); + frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold); + cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); + tlv += sizeof(struct host_cmd_tlv_frag_threshold); + } + if (bss_cfg->retry_limit <= NXPWIFI_RETRY_LIMIT_MAX) { + retry_limit = (struct host_cmd_tlv_retry_limit *)tlv; + retry_limit->header.type = + cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT); + retry_limit->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) - + sizeof(struct nxpwifi_ie_types_header)); + retry_limit->limit = (u8)bss_cfg->retry_limit; + cmd_size += sizeof(struct host_cmd_tlv_retry_limit); + tlv += sizeof(struct host_cmd_tlv_retry_limit); + } + if ((bss_cfg->protocol & PROTOCOL_WPA) || + (bss_cfg->protocol & PROTOCOL_WPA2) || + (bss_cfg->protocol & PROTOCOL_EAP)) + nxpwifi_uap_bss_wpa(&tlv, cmd_buf, &cmd_size); + else + nxpwifi_uap_bss_wep(&tlv, cmd_buf, &cmd_size); + + if (bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY || + bss_cfg->auth_mode == NXPWIFI_AUTH_MODE_AUTO) { + auth_type = (struct host_cmd_tlv_auth_type *)tlv; + auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); + auth_type->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) - + sizeof(struct nxpwifi_ie_types_header)); + auth_type->auth_type = (u8)bss_cfg->auth_mode; + auth_type->pwe_derivation = 0; + auth_type->transition_disable = 0; + cmd_size += sizeof(struct host_cmd_tlv_auth_type); + tlv += sizeof(struct host_cmd_tlv_auth_type); + } + if (bss_cfg->protocol) { + encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv; + encrypt_protocol->header.type = + cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL); + encrypt_protocol->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol) + - sizeof(struct nxpwifi_ie_types_header)); + encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol); + cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol); + tlv += sizeof(struct host_cmd_tlv_encrypt_protocol); + } + + if (bss_cfg->ht_cap.cap_info) { + htcap = (struct nxpwifi_ie_types_htcap *)tlv; + htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); + htcap->header.len = + cpu_to_le16(sizeof(struct ieee80211_ht_cap)); + htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info; + htcap->ht_cap.ampdu_params_info = + bss_cfg->ht_cap.ampdu_params_info; + memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs, + sizeof(struct ieee80211_mcs_info)); + htcap->ht_cap.extended_ht_cap_info = + bss_cfg->ht_cap.extended_ht_cap_info; + htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info; + htcap->ht_cap.antenna_selection_info = + bss_cfg->ht_cap.antenna_selection_info; + cmd_size += sizeof(struct nxpwifi_ie_types_htcap); + tlv += sizeof(struct nxpwifi_ie_types_htcap); + } + + if (priv->wmm_enabled) { + struct nxpwifi_ie_types_wmmcap *wmm_cap; + struct nxpwifi_types_wmm_info *fw_wmm; + const struct ieee80211_wmm_param_ie *ie; + + wmm_cap = (struct nxpwifi_ie_types_wmmcap *)tlv; + fw_wmm = &wmm_cap->wmm_info; + ie = &bss_cfg->wmm_element; + + wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC); + wmm_cap->header.len = + cpu_to_le16(sizeof(struct nxpwifi_types_wmm_info)); + + /* Map 802.11 WMM IE fields to FW WMM TLV payload */ + fw_wmm->oui[0] = ie->oui[0]; + fw_wmm->oui[1] = ie->oui[1]; + fw_wmm->oui[2] = ie->oui[2]; + fw_wmm->oui[3] = ie->oui_type; + + fw_wmm->subtype = ie->oui_subtype; + fw_wmm->version = ie->version; + fw_wmm->qos_info = ie->qos_info; + fw_wmm->reserved = ie->reserved; + + memcpy(fw_wmm->ac, ie->ac, sizeof(fw_wmm->ac)); + + cmd_size += sizeof(*wmm_cap); + tlv += sizeof(*wmm_cap); + } + + if (bss_cfg->sta_ao_timer) { + ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; + ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER); + ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) - + sizeof(struct nxpwifi_ie_types_header)); + ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer); + cmd_size += sizeof(*ao_timer); + tlv += sizeof(*ao_timer); + } + + if (bss_cfg->power_constraint) { + pwr_ct = (void *)tlv; + pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT); + pwr_ct->header.len = cpu_to_le16(sizeof(u8)); + pwr_ct->constraint = bss_cfg->power_constraint; + cmd_size += sizeof(*pwr_ct); + tlv += sizeof(*pwr_ct); + } + + if (bss_cfg->ps_sta_ao_timer) { + ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; + ps_ao_timer->header.type = + cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER); + ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) - + sizeof(struct nxpwifi_ie_types_header)); + ps_ao_timer->sta_ao_timer = + cpu_to_le32(bss_cfg->ps_sta_ao_timer); + cmd_size += sizeof(*ps_ao_timer); + tlv += sizeof(*ps_ao_timer); + } + + *param_size = cmd_size; + + return 0; +} + +/* Parse custom IEs and write them to the command buffer. */ +static int nxpwifi_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size) +{ + struct nxpwifi_ie_list *ap_ie = cmd_buf; + struct nxpwifi_ie_types_header *tlv_ie = (void *)tlv; + + if (!ap_ie || !ap_ie->len) + return -EINVAL; + + *ie_size += le16_to_cpu(ap_ie->len) + + sizeof(struct nxpwifi_ie_types_header); + + tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE); + tlv_ie->len = ap_ie->len; + tlv += sizeof(struct nxpwifi_ie_types_header); + + memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len)); + + return 0; +} + +static int +nxpwifi_cmd_uap_sys_config(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + u8 *tlv; + u16 cmd_size, param_size, ie_size; + struct host_cmd_ds_sys_config *sys_cfg; + int ret = 0; + + cmd->command = cpu_to_le16(HOST_CMD_UAP_SYS_CONFIG); + cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN); + sys_cfg = &cmd->params.uap_sys_config; + sys_cfg->action = cpu_to_le16(cmd_action); + tlv = sys_cfg->tlv; + + switch (cmd_type) { + case UAP_BSS_PARAMS_I: + param_size = cmd_size; + ret = nxpwifi_uap_bss_param_prepare(priv, tlv, data_buf, ¶m_size); + if (ret) + return ret; + cmd->size = cpu_to_le16(param_size); + break; + case UAP_CUSTOM_IE_I: + ie_size = cmd_size; + ret = nxpwifi_uap_custom_ie_prepare(tlv, data_buf, &ie_size); + if (ret) + return ret; + cmd->size = cpu_to_le16(ie_size); + break; + default: + return -EINVAL; + } + + return ret; +} + +static int +nxpwifi_cmd_uap_bss_start(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct nxpwifi_ie_types_host_mlme *tlv; + int size; + + cmd->command = cpu_to_le16(HOST_CMD_UAP_BSS_START); + size = S_DS_GEN; + + tlv = (struct nxpwifi_ie_types_host_mlme *)((u8 *)cmd + size); + tlv->header.type = cpu_to_le16(TLV_TYPE_HOST_MLME); + tlv->header.len = cpu_to_le16(sizeof(tlv->host_mlme)); + tlv->host_mlme = 1; + size += sizeof(struct nxpwifi_ie_types_host_mlme); + + cmd->size = cpu_to_le16(size); + + return 0; +} + +static int +nxpwifi_ret_uap_bss_start(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->tx_lock_flag = false; + adapter->pps_uapsd_mode = false; + adapter->delay_null_pkt = false; + priv->bss_started = 1; + + return 0; +} + +static int +nxpwifi_ret_uap_bss_stop(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, + void *data_buf) +{ + priv->bss_started = 0; + + return 0; +} + +static int nxpwifi_ret_apcmd_sta_list(struct nxpwifi_private *priv, + struct host_cmd_ds_command *resp, + u16 cmdresp_no, void *data_buf) +{ + struct host_cmd_ds_sta_list *sta_list = &resp->params.sta_list; + struct nxpwifi_ie_types_sta_info *sta_info; + struct nxpwifi_sta_node *sta_node; + u16 sta_count; + u32 resp_size; + u32 base; + u32 required_size; + int i; + + resp_size = le16_to_cpu(resp->size); + sta_count = le16_to_cpu(sta_list->sta_count); + + /* End of fixed fields before sta_list.tlv[] */ + base = offsetofend(struct host_cmd_ds_command, params.sta_list.sta_count); + + /* At least fixed fields must be present */ + if (resp_size < base) + return -EINVAL; + + required_size = base + sta_count * sizeof(*sta_info); + + /* Verify firmware did not claim more entries than the buffer holds */ + if (resp_size < required_size) + return -EINVAL; + + sta_info = (void *)sta_list->tlv; + + rcu_read_lock(); + for (i = 0; i < sta_count; i++) { + sta_node = nxpwifi_get_sta_entry(priv, sta_info->mac); + if (unlikely(!sta_node)) { + sta_info++; + continue; + } + + sta_node->stats.rssi = sta_info->rssi; + sta_info++; + } + rcu_read_unlock(); + + return 0; +} + +/* Build AP deauth command for the given MAC address. */ +static int nxpwifi_cmd_uap_sta_deauth(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth; + u8 *mac = (u8 *)data_buf; + + cmd->command = cpu_to_le16(HOST_CMD_UAP_STA_DEAUTH); + memcpy(sta_deauth->mac, mac, ETH_ALEN); + sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING); + + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) + + S_DS_GEN); + return 0; +} + +static int +nxpwifi_cmd_uap_chan_report_request(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + return nxpwifi_cmd_issue_chan_report_request(priv, cmd, data_buf); +} + +/* Build AP add-station command. */ +static int +nxpwifi_cmd_uap_add_new_station(struct nxpwifi_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_no, void *data_buf, + u16 cmd_action, u32 cmd_type) +{ + struct host_cmd_ds_add_station *new_sta = &cmd->params.sta_info; + struct nxpwifi_sta_info *add_sta = (struct nxpwifi_sta_info *)data_buf; + struct station_parameters *params = add_sta->params; + struct nxpwifi_sta_node *sta_ptr; + u16 cmd_size; + u8 *pos, *cmd_end; + u16 tlv_len; + struct nxpwifi_ie_types_sta_flag *sta_flag; + int i; + + cmd->command = cpu_to_le16(HOST_CMD_ADD_NEW_STATION); + new_sta->action = cpu_to_le16(cmd_action); + cmd_size = sizeof(struct host_cmd_ds_add_station) + S_DS_GEN; + + if (cmd_action == HOST_ACT_ADD_STA) + sta_ptr = nxpwifi_add_sta_entry(priv, add_sta->peer_mac); + else + sta_ptr = nxpwifi_get_sta_entry_rcu(priv, add_sta->peer_mac); + + if (!sta_ptr) + return -EINVAL; + + memcpy(new_sta->peer_mac, add_sta->peer_mac, ETH_ALEN); + + if (cmd_action == HOST_ACT_REMOVE_STA) { + cmd->size = cpu_to_le16(cmd_size); + return 0; + } + + new_sta->aid = cpu_to_le16(params->aid); + new_sta->listen_interval = cpu_to_le32(params->listen_interval); + new_sta->cap_info = cpu_to_le16(params->capability); + + pos = new_sta->tlv; + cmd_end = (u8 *)cmd; + cmd_end += (NXPWIFI_SIZE_OF_CMD_BUFFER - 1); + + if (params->sta_flags_set & NL80211_STA_FLAG_WME) + sta_ptr->is_wmm_enabled = 1; + sta_flag = (struct nxpwifi_ie_types_sta_flag *)pos; + sta_flag->header.type = cpu_to_le16(TLV_TYPE_UAP_STA_FLAGS); + sta_flag->header.len = cpu_to_le16(sizeof(__le32)); + sta_flag->sta_flags = cpu_to_le32(params->sta_flags_set); + pos += sizeof(struct nxpwifi_ie_types_sta_flag); + cmd_size += sizeof(struct nxpwifi_ie_types_sta_flag); + + if (params->ext_capab_len) { + u8 *data = (u8 *)params->ext_capab; + u16 len = params->ext_capab_len; + + tlv_len = nxpwifi_append_data_tlv(WLAN_EID_EXT_CAPABILITY, + data, len, pos, cmd_end); + if (!tlv_len) + return -EINVAL; + pos += tlv_len; + cmd_size += tlv_len; + } + + if (params->link_sta_params.supported_rates_len) { + u8 *data = (u8 *)params->link_sta_params.supported_rates; + u16 len = params->link_sta_params.supported_rates_len; + + tlv_len = nxpwifi_append_data_tlv(WLAN_EID_SUPP_RATES, + data, len, pos, cmd_end); + if (!tlv_len) + return -EINVAL; + pos += tlv_len; + cmd_size += tlv_len; + } + + if (params->uapsd_queues || params->max_sp) { + u8 qos_capability = params->uapsd_queues | (params->max_sp << 5); + u8 *data = &qos_capability; + u16 len = sizeof(u8); + + tlv_len = nxpwifi_append_data_tlv(WLAN_EID_QOS_CAPA, + data, len, pos, cmd_end); + if (!tlv_len) + return -EINVAL; + pos += tlv_len; + cmd_size += tlv_len; + sta_ptr->is_wmm_enabled = 1; + } + + if (params->link_sta_params.ht_capa) { + u8 *data = (u8 *)params->link_sta_params.ht_capa; + u16 len = sizeof(struct ieee80211_ht_cap); + + tlv_len = nxpwifi_append_data_tlv(WLAN_EID_HT_CAPABILITY, + data, len, pos, cmd_end); + if (!tlv_len) + return -EINVAL; + pos += tlv_len; + cmd_size += tlv_len; + sta_ptr->is_11n_enabled = 1; + sta_ptr->max_amsdu = + le16_to_cpu(params->link_sta_params.ht_capa->cap_info) & + IEEE80211_HT_CAP_MAX_AMSDU ? + NXPWIFI_TX_DATA_BUF_SIZE_8K : + NXPWIFI_TX_DATA_BUF_SIZE_4K; + } + + if (params->link_sta_params.vht_capa) { + u8 *data = (u8 *)params->link_sta_params.vht_capa; + u16 len = sizeof(struct ieee80211_vht_cap); + + tlv_len = nxpwifi_append_data_tlv(WLAN_EID_VHT_CAPABILITY, + data, len, pos, cmd_end); + if (!tlv_len) + return -EINVAL; + pos += tlv_len; + cmd_size += tlv_len; + sta_ptr->is_11ac_enabled = 1; + } + + if (params->link_sta_params.opmode_notif_used) { + u8 *data = ¶ms->link_sta_params.opmode_notif; + u16 len = sizeof(u8); + + tlv_len = nxpwifi_append_data_tlv(WLAN_EID_OPMODE_NOTIF, + data, len, pos, cmd_end); + if (!tlv_len) + return -EINVAL; + pos += tlv_len; + cmd_size += tlv_len; + } + + if (params->link_sta_params.he_capa_len) { + u8 *data = (u8 *)params->link_sta_params.he_capa; + u16 len = params->link_sta_params.he_capa_len; + + tlv_len = nxpwifi_append_data_tlv(WLAN_EID_EXT_HE_CAPABILITY, + data, len, pos, cmd_end); + if (!tlv_len) + return -EINVAL; + pos += tlv_len; + cmd_size += tlv_len; + sta_ptr->is_11ax_enabled = 1; + } + + for (i = 0; i < MAX_NUM_TID; i++) { + if (sta_ptr->is_11n_enabled || sta_ptr->is_11ax_enabled) + sta_ptr->ampdu_sta[i] = + priv->aggr_prio_tbl[i].ampdu_user; + else + sta_ptr->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED; + } + + memset(sta_ptr->rx_seq, 0xff, sizeof(sta_ptr->rx_seq)); + + cmd->size = cpu_to_le16(cmd_size); + + return 0; +} + +static const struct nxpwifi_cmd_entry cmd_table_uap[] = { + {.cmd_no = HOST_CMD_APCMD_SYS_RESET, + .prepare_cmd = nxpwifi_cmd_fill_head_only, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_UAP_SYS_CONFIG, + .prepare_cmd = nxpwifi_cmd_uap_sys_config, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_UAP_BSS_START, + .prepare_cmd = nxpwifi_cmd_uap_bss_start, + .cmd_resp = nxpwifi_ret_uap_bss_start}, + {.cmd_no = HOST_CMD_UAP_BSS_STOP, + .prepare_cmd = nxpwifi_cmd_fill_head_only, + .cmd_resp = nxpwifi_ret_uap_bss_stop}, + {.cmd_no = HOST_CMD_APCMD_STA_LIST, + .prepare_cmd = nxpwifi_cmd_fill_head_only, + .cmd_resp = nxpwifi_ret_apcmd_sta_list}, + {.cmd_no = HOST_CMD_UAP_STA_DEAUTH, + .prepare_cmd = nxpwifi_cmd_uap_sta_deauth, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_CHAN_REPORT_REQUEST, + .prepare_cmd = nxpwifi_cmd_uap_chan_report_request, + .cmd_resp = NULL}, + {.cmd_no = HOST_CMD_ADD_NEW_STATION, + .prepare_cmd = nxpwifi_cmd_uap_add_new_station, + .cmd_resp = NULL}, +}; + +/* Prepare AP commands and dispatch to per-cmd builders before sending to firmware. */ +int nxpwifi_uap_prepare_cmd(struct nxpwifi_private *priv, + struct cmd_ctrl_node *cmd_node, + u16 cmd_action, u32 type) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u16 cmd_no = cmd_node->cmd_no; + struct host_cmd_ds_command *cmd = + (struct host_cmd_ds_command *)cmd_node->skb->data; + void *data_buf = cmd_node->data_buf; + int i, ret = -EINVAL; + + for (i = 0; i < ARRAY_SIZE(cmd_table_uap); i++) { + if (cmd_no == cmd_table_uap[i].cmd_no) { + if (cmd_table_uap[i].prepare_cmd) + ret = cmd_table_uap[i].prepare_cmd(priv, cmd, + cmd_no, + data_buf, + cmd_action, + type); + cmd_node->cmd_resp = cmd_table_uap[i].cmd_resp; + break; + } + } + + if (i == ARRAY_SIZE(cmd_table_uap)) + nxpwifi_dbg(adapter, ERROR, + "%s: unknown command: %#x\n", + __func__, cmd_no); + else + nxpwifi_dbg(adapter, CMD, + "%s: command: %#x\n", + __func__, cmd_no); + + return ret; +} + +/* Translate cfg80211_ap_settings security into bss_config for firmware. */ +int nxpwifi_set_secure_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_config, + struct cfg80211_ap_settings *params) +{ + int i; + struct nxpwifi_wep_key wep_key; + + if (!params->privacy) { + bss_config->protocol = PROTOCOL_NO_SECURITY; + bss_config->key_mgmt = KEY_MGMT_NONE; + bss_config->wpa_cfg.length = 0; + priv->sec_info.wep_enabled = 0; + priv->sec_info.wpa_enabled = 0; + priv->sec_info.wpa2_enabled = 0; + + return 0; + } + + switch (params->auth_type) { + case NL80211_AUTHTYPE_OPEN_SYSTEM: + bss_config->auth_mode = WLAN_AUTH_OPEN; + break; + case NL80211_AUTHTYPE_SHARED_KEY: + bss_config->auth_mode = WLAN_AUTH_SHARED_KEY; + break; + case NL80211_AUTHTYPE_NETWORK_EAP: + bss_config->auth_mode = WLAN_AUTH_LEAP; + break; + default: + bss_config->auth_mode = NXPWIFI_AUTH_MODE_AUTO; + break; + } + + bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST; + + bss_config->protocol = 0; + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) + bss_config->protocol |= PROTOCOL_WPA; + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) + bss_config->protocol |= PROTOCOL_WPA2; + + bss_config->key_mgmt = 0; + for (i = 0; i < params->crypto.n_akm_suites; i++) { + switch (params->crypto.akm_suites[i]) { + case WLAN_AKM_SUITE_8021X: + bss_config->key_mgmt |= KEY_MGMT_EAP; + break; + case WLAN_AKM_SUITE_PSK: + bss_config->key_mgmt |= KEY_MGMT_PSK; + break; + case WLAN_AKM_SUITE_PSK_SHA256: + bss_config->key_mgmt |= KEY_MGMT_PSK_SHA256; + break; + case WLAN_AKM_SUITE_OWE: + bss_config->key_mgmt |= KEY_MGMT_OWE; + break; + case WLAN_AKM_SUITE_SAE: + bss_config->key_mgmt |= KEY_MGMT_SAE; + break; + default: + break; + } + } + + for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) { + switch (params->crypto.ciphers_pairwise[i]) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + break; + case WLAN_CIPHER_SUITE_TKIP: + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) + bss_config->wpa_cfg.pairwise_cipher_wpa |= + CIPHER_TKIP; + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) + bss_config->wpa_cfg.pairwise_cipher_wpa2 |= + CIPHER_TKIP; + break; + case WLAN_CIPHER_SUITE_CCMP: + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) + bss_config->wpa_cfg.pairwise_cipher_wpa |= + CIPHER_AES_CCMP; + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) + bss_config->wpa_cfg.pairwise_cipher_wpa2 |= + CIPHER_AES_CCMP; + break; + default: + break; + } + } + + switch (params->crypto.cipher_group) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + if (priv->sec_info.wep_enabled) { + bss_config->protocol = PROTOCOL_STATIC_WEP; + bss_config->key_mgmt = KEY_MGMT_NONE; + bss_config->wpa_cfg.length = 0; + + for (i = 0; i < NUM_WEP_KEYS; i++) { + wep_key = priv->wep_key[i]; + bss_config->wep_cfg[i].key_index = i; + + if (priv->wep_key_curr_index == i) + bss_config->wep_cfg[i].is_default = 1; + else + bss_config->wep_cfg[i].is_default = 0; + + bss_config->wep_cfg[i].length = + wep_key.key_length; + memcpy(&bss_config->wep_cfg[i].key, + &wep_key.key_material, + wep_key.key_length); + } + } + break; + case WLAN_CIPHER_SUITE_TKIP: + bss_config->wpa_cfg.group_cipher = CIPHER_TKIP; + break; + case WLAN_CIPHER_SUITE_CCMP: + bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; + break; + default: + break; + } + + return 0; +} + +/* Update 11n HT params from beacon and fill bss_config. */ +void +nxpwifi_set_ht_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *ht_ie; + + if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info)) + return; + + ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail, + params->beacon.tail_len); + if (ht_ie) { + memcpy(&bss_cfg->ht_cap, ht_ie + 2, + sizeof(struct ieee80211_ht_cap)); + if (ISSUPP_BEAMFORMING(priv->adapter->hw_dot_11n_dev_cap)) + bss_cfg->ht_cap.tx_BF_cap_info = + cpu_to_le32(NXPWIFI_DEF_11N_TX_BF_CAP); + priv->ap_11n_enabled = 1; + } else { + memset(&bss_cfg->ht_cap, 0, sizeof(struct ieee80211_ht_cap)); + bss_cfg->ht_cap.cap_info = cpu_to_le16(NXPWIFI_DEF_HT_CAP); + bss_cfg->ht_cap.ampdu_params_info = NXPWIFI_DEF_AMPDU; + } +} + +/* Update 11ac VHT params from beacon and fill bss_config. */ +void nxpwifi_set_vht_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *vht_ie; + + vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail, + params->beacon.tail_len); + if (vht_ie) { + memcpy(&bss_cfg->vht_cap, vht_ie + 2, + sizeof(struct ieee80211_vht_cap)); + priv->ap_11ac_enabled = 1; + } else { + priv->ap_11ac_enabled = 0; + } +} + +/* Extract TPC request from beacon and set power_constraint. */ +void nxpwifi_set_tpc_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *tpc_ie; + + tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail, + params->beacon.tail_len); + if (tpc_ie) + bss_cfg->power_constraint = *(tpc_ie + 2); + else + bss_cfg->power_constraint = 0; +} + +/* Enable VHT only when VHT IE is present; otherwise disable VHT. */ +void nxpwifi_set_vht_width(struct nxpwifi_private *priv, + enum nl80211_chan_width width, + bool ap_11ac_enable) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_11ac_vht_cfg vht_cfg; + + vht_cfg.band_config = VHT_CFG_5GHZ; + vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap; + + if (!ap_11ac_enable) { + vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET; + vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET; + } else { + vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET; + vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET; + } + + vht_cfg.misc_config = VHT_CAP_UAP_ONLY; + + if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80) + vht_cfg.misc_config |= VHT_BW_80_160_80P80; + + nxpwifi_send_cmd(priv, HOST_CMD_11AC_CFG, + HOST_ACT_GEN_SET, 0, &vht_cfg, true); +} + +bool nxpwifi_check_11ax_capability(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u8 band = bss_cfg->band_cfg & BAND_CFG_CHAN_BAND_MASK; + + if (band == BAND_2GHZ && + !(adapter->fw_bands & BAND_GAX)) + return false; + + if (band == BAND_5GHZ && + !(adapter->fw_bands & BAND_AAX)) + return false; + + if (params->he_cap) + return true; + else + return false; +} + +int nxpwifi_set_11ax_status(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + struct nxpwifi_11ax_he_cfg ax_cfg; + u8 band = bss_cfg->band_cfg & BAND_CFG_CHAN_BAND_MASK; + const struct element *he_cap; + int ret; + + if (band == BAND_2GHZ) + ax_cfg.band = BIT(0); + else if (band == BAND_5GHZ) + ax_cfg.band = BIT(1); + else + return -EINVAL; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_11AX_CFG, + HOST_ACT_GEN_GET, 0, &ax_cfg, true); + if (ret) + return ret; + + he_cap = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, + params->beacon.tail, + params->beacon.tail_len); + + if (he_cap) { + ax_cfg.he_cap_cfg.id = he_cap->id; + ax_cfg.he_cap_cfg.len = he_cap->datalen; + if (params->twt_responder == 0) { + struct nxpwifi_11ax_he_cap_cfg *he_cap_cfg = + (struct nxpwifi_11ax_he_cap_cfg *)he_cap; + + he_cap_cfg->cap_elem.mac_cap_info[0] &= + ~HE_MAC_CAP_TWT_RESP_SUPPORT; + } + memcpy(ax_cfg.data + 4, + he_cap->data, + he_cap->datalen); + } else { + /* disable */ + if (ax_cfg.he_cap_cfg.len && + ax_cfg.he_cap_cfg.ext_id == WLAN_EID_EXT_HE_CAPABILITY) { + memset(ax_cfg.he_cap_cfg.he_txrx_mcs_support, 0xff, + sizeof(ax_cfg.he_cap_cfg.he_txrx_mcs_support)); + } + } + + return nxpwifi_send_cmd(priv, HOST_CMD_11AX_CFG, + HOST_ACT_GEN_SET, 0, &ax_cfg, true); +} + +/* Copy supported rates from beacon into bss_config. */ +void +nxpwifi_set_uap_rates(struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + struct element *rate_ie; + int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable); + const u8 *var_pos = params->beacon.head + var_offset; + int len = params->beacon.head_len - var_offset; + u8 rate_len = 0; + + rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len); + if (rate_ie) { + if (rate_ie->datalen > NXPWIFI_SUPPORTED_RATES) + return; + memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->datalen); + rate_len = rate_ie->datalen; + } + + rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, + params->beacon.tail, + params->beacon.tail_len); + if (rate_ie) { + if (rate_ie->datalen > NXPWIFI_SUPPORTED_RATES - rate_len) + return; + memcpy(bss_cfg->rates + rate_len, + rate_ie + 1, rate_ie->datalen); + } +} + +/* + * Initialize bss_config fields to sentinel values. + * Fields left with sentinel values are treated as unset and will not be + * included in the corresponding firmware command. + */ +void nxpwifi_set_sys_config_invalid_data(struct nxpwifi_uap_bss_param *config) +{ + config->radio_ctl = __NXPWIFI_RADIO_CTL_MAX; + config->dtim_period = NXPWIFI_INVALID_DTIM_PERIOD; + config->beacon_period = NXPWIFI_INVALID_BEACON_PERIOD; + config->auth_mode = NXPWIFI_AUTH_MODE_AUTO; + config->rts_threshold = NXPWIFI_INVALID_RTS; + config->frag_threshold = NXPWIFI_INVALID_FRAG; + config->retry_limit = NXPWIFI_INVALID_RETRY_LIMI; +} + +/* Parse WMM params from cfg80211_ap_settings and update bss_config. */ +void +nxpwifi_set_wmm_params(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *vendor_ie; + const struct ieee80211_wmm_param_ie *wmm; + u8 ie_len; + + vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WMM, + params->beacon.tail, + params->beacon.tail_len); + if (!vendor_ie) + goto no_wmm; + + ie_len = vendor_ie[1]; + + if (ie_len < sizeof(struct ieee80211_wmm_param_ie) - 2) + goto no_wmm; + + wmm = (const struct ieee80211_wmm_param_ie *)vendor_ie; + + if (memcmp(wmm->oui, "\x00\x50\xf2", 3)) + goto no_wmm; + + if (wmm->oui_type != WLAN_OUI_TYPE_MICROSOFT_WMM) + goto no_wmm; + + if (wmm->oui_subtype != 1) + goto no_wmm; + + /* Only WMM version 1 is supported */ + if (wmm->version != 1) + goto no_wmm; + + memcpy(&bss_cfg->wmm_element, wmm, + sizeof(struct ieee80211_wmm_param_ie)); + + priv->wmm_enabled = true; + return; + +no_wmm: + memset(&bss_cfg->wmm_element, 0, sizeof(bss_cfg->wmm_element)); + priv->wmm_enabled = false; +} + +/* Enable 11d when country IE is present. */ +void nxpwifi_config_uap_11d(struct nxpwifi_private *priv, + struct cfg80211_beacon_data *beacon_data) +{ + enum state_11d_t state_11d; + const u8 *country_ie; + + country_ie = cfg80211_find_ie(WLAN_EID_COUNTRY, beacon_data->tail, + beacon_data->tail_len); + if (country_ie) { + /* Send cmd to FW to enable 11D function */ + state_11d = ENABLE_11D; + if (nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_SET, DOT11D_I, + &state_11d, true)) { + nxpwifi_dbg(priv->adapter, ERROR, + "11D: failed to enable 11D\n"); + } + } +} + +void nxpwifi_uap_set_channel(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg, + struct cfg80211_chan_def chandef) +{ + u8 config_bands = 0, old_bands = priv->config_bands; + + priv->bss_chandef = chandef; + + bss_cfg->channel = + ieee80211_frequency_to_channel(chandef.chan->center_freq); + + nxpwifi_convert_chan_to_band_cfg(priv, &bss_cfg->band_cfg, &chandef); + + /* Set appropriate bands */ + if (chandef.chan->band == NL80211_BAND_2GHZ) { + config_bands = BAND_B | BAND_G; + if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) + config_bands |= BAND_GN | BAND_GAX; + } else { + config_bands = BAND_A; + if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) + config_bands |= BAND_AN; + if (chandef.width > NL80211_CHAN_WIDTH_40) + config_bands |= BAND_AAC | BAND_AAX; + } + + priv->config_bands = config_bands; + + if (old_bands != config_bands) { + if (nxpwifi_band_to_radio_type(priv->config_bands) == + HOST_SCAN_RADIO_TYPE_BG) + nxpwifi_send_domain_info_cmd_fw(priv->adapter->wiphy, + NL80211_BAND_2GHZ); + else + nxpwifi_send_domain_info_cmd_fw(priv->adapter->wiphy, + NL80211_BAND_5GHZ); + } +} + +int nxpwifi_config_start_uap(struct nxpwifi_private *priv, + struct nxpwifi_uap_bss_param *bss_cfg) +{ + int ret; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_UAP_SYS_CONFIG, + HOST_ACT_GEN_SET, + UAP_BSS_PARAMS_I, bss_cfg, true); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to set AP configuration\n"); + return ret; + } + + ret = nxpwifi_send_cmd(priv, HOST_CMD_UAP_BSS_START, + HOST_ACT_GEN_SET, 0, NULL, true); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to start the BSS\n"); + return ret; + } + + if (priv->sec_info.wep_enabled) + priv->curr_pkt_filter |= HOST_ACT_MAC_WEP_ENABLE; + else + priv->curr_pkt_filter &= ~HOST_ACT_MAC_WEP_ENABLE; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_MAC_CONTROL, + HOST_ACT_GEN_SET, 0, + &priv->curr_pkt_filter, true); + + return ret; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/uap_event.c b/drivers/net/wireless/nxp/nxpwifi/uap_event.c new file mode 100644 index 000000000000..ed8e24ae9c0a --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/uap_event.c @@ -0,0 +1,488 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: AP event handling + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "main.h" +#include "cmdevt.h" +#include "11n.h" + +#define NXPWIFI_BSS_START_EVT_FIX_SIZE 12 + +static int +nxpwifi_uap_event_ps_awake(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!adapter->pps_uapsd_mode && + priv->media_connected && adapter->sleep_period.period) { + adapter->pps_uapsd_mode = true; + nxpwifi_dbg(adapter, EVENT, + "event: PPS/UAPSD mode activated\n"); + } + adapter->tx_lock_flag = false; + if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) { + if (nxpwifi_check_last_packet_indication(priv)) { + if (adapter->data_sent) { + adapter->ps_state = PS_STATE_AWAKE; + adapter->pm_wakeup_card_req = false; + adapter->pm_wakeup_fw_try = false; + } else { + if (!nxpwifi_send_null_packet + (priv, + NXPWIFI_TxPD_POWER_MGMT_NULL_PACKET | + NXPWIFI_TxPD_POWER_MGMT_LAST_PACKET)) + adapter->ps_state = PS_STATE_SLEEP; + } + + return 0; + } + } + + adapter->ps_state = PS_STATE_AWAKE; + adapter->pm_wakeup_card_req = false; + adapter->pm_wakeup_fw_try = false; + + return 0; +} + +static int +nxpwifi_uap_event_ps_sleep(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + adapter->ps_state = PS_STATE_PRE_SLEEP; + nxpwifi_check_ps_cond(adapter); + + return 0; +} + +static int +nxpwifi_uap_event_sta_deauth(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u8 *deauth_mac; + + deauth_mac = adapter->event_body + + NXPWIFI_UAP_EVENT_EXTRA_HEADER; + cfg80211_del_sta(priv->netdev->ieee80211_ptr, deauth_mac, GFP_KERNEL); + + if (priv->ap_11n_enabled) { + nxpwifi_11n_del_rx_reorder_tbl_by_ta(priv, deauth_mac); + nxpwifi_del_tx_ba_stream_tbl_by_ra(priv, deauth_mac); + } + nxpwifi_wmm_del_peer_ra_list(priv, deauth_mac); + + return 0; +} + +static int +nxpwifi_uap_event_sta_assoc(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct station_info *sinfo; + struct nxpwifi_assoc_event *event; + struct nxpwifi_sta_node *node; + int len, i; + + sinfo = kzalloc_obj(*sinfo, GFP_KERNEL); + if (!sinfo) + return -ENOMEM; + + event = (struct nxpwifi_assoc_event *) + (adapter->event_body + NXPWIFI_UAP_EVENT_EXTRA_HEADER); + if (le16_to_cpu(event->type) == TLV_TYPE_UAP_MGMT_FRAME) { + len = -1; + + if (ieee80211_is_assoc_req(event->frame_control)) + len = 0; + else if (ieee80211_is_reassoc_req(event->frame_control)) + /* + * There will be ETH_ALEN bytes of + * current_ap_addr before the re-assoc ies. + */ + len = ETH_ALEN; + + if (len != -1) { + sinfo->assoc_req_ies = &event->data[len]; + len = (u8 *)sinfo->assoc_req_ies - + (u8 *)&event->frame_control; + sinfo->assoc_req_ies_len = + le16_to_cpu(event->len) - (u16)len; + } + } + cfg80211_new_sta(priv->netdev->ieee80211_ptr, event->sta_addr, sinfo, + GFP_KERNEL); + + node = nxpwifi_add_sta_entry(priv, event->sta_addr); + if (!node) { + nxpwifi_dbg(adapter, ERROR, + "could not create station entry!\n"); + kfree(sinfo); + return -ENOENT; + } + + if (!priv->ap_11n_enabled) { + kfree(sinfo); + return 0; + } + + nxpwifi_set_sta_ht_cap(priv, sinfo->assoc_req_ies, + sinfo->assoc_req_ies_len, node); + + for (i = 0; i < MAX_NUM_TID; i++) { + if (node->is_11n_enabled || node->is_11ax_enabled) + node->ampdu_sta[i] = + priv->aggr_prio_tbl[i].ampdu_user; + else + node->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED; + } + memset(node->rx_seq, 0xff, sizeof(node->rx_seq)); + kfree(sinfo); + + return 0; +} + +static int +nxpwifi_check_uap_capabilities(struct nxpwifi_private *priv, + struct sk_buff *event) +{ + int evt_len; + u8 *curr; + u16 tlv_len; + struct nxpwifi_ie_types_data *tlv_hdr; + struct ieee80211_wmm_param_ie *wmm_param_ie = NULL; + int mask = IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK; + + priv->wmm_enabled = false; + skb_pull(event, NXPWIFI_BSS_START_EVT_FIX_SIZE); + evt_len = event->len; + curr = event->data; + + nxpwifi_dbg_dump(priv->adapter, EVT_D, "uap capabilities:", + event->data, event->len); + + skb_push(event, NXPWIFI_BSS_START_EVT_FIX_SIZE); + + while ((evt_len >= sizeof(tlv_hdr->header))) { + tlv_hdr = (struct nxpwifi_ie_types_data *)curr; + tlv_len = le16_to_cpu(tlv_hdr->header.len); + + if (evt_len < tlv_len + sizeof(tlv_hdr->header)) + break; + + switch (le16_to_cpu(tlv_hdr->header.type)) { + case WLAN_EID_HT_CAPABILITY: + priv->ap_11n_enabled = true; + break; + + case WLAN_EID_VHT_CAPABILITY: + priv->ap_11ac_enabled = true; + break; + + case WLAN_EID_VENDOR_SPECIFIC: + /* + * Point the regular IEEE element 2 bytes into the NXP element + * and setup the IEEE element type and length byte fields + */ + wmm_param_ie = (void *)(curr + 2); + wmm_param_ie->len = (u8)tlv_len; + wmm_param_ie->element_id = + WLAN_EID_VENDOR_SPECIFIC; + nxpwifi_dbg(priv->adapter, EVENT, + "info: check uap capabilities:\t" + "wmm parameter set count: %d\n", + wmm_param_ie->qos_info & mask); + + nxpwifi_wmm_setup_ac_downgrade(priv); + priv->wmm_enabled = true; + nxpwifi_wmm_setup_queue_priorities(priv, wmm_param_ie); + break; + + default: + break; + } + + curr += (tlv_len + sizeof(tlv_hdr->header)); + evt_len -= (tlv_len + sizeof(tlv_hdr->header)); + } + + return 0; +} + +static int +nxpwifi_uap_event_bss_start(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + priv->port_open = false; + eth_hw_addr_set(priv->netdev, adapter->event_body + 2); + if (priv->hist_data) + nxpwifi_hist_data_reset(priv); + return nxpwifi_check_uap_capabilities(priv, adapter->event_skb); +} + +static int +nxpwifi_uap_event_addba(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (priv->media_connected) + nxpwifi_send_cmd(priv, HOST_CMD_11N_ADDBA_RSP, + HOST_ACT_GEN_SET, 0, + adapter->event_body, false); + + return 0; +} + +static int +nxpwifi_uap_event_delba(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (priv->media_connected) + nxpwifi_11n_delete_ba_stream(priv, adapter->event_body); + + return 0; +} + +static int +nxpwifi_uap_event_ba_stream_timeout(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct host_cmd_ds_11n_batimeout *ba_timeout; + + if (priv->media_connected) { + ba_timeout = (void *)adapter->event_body; + nxpwifi_11n_ba_stream_timeout(priv, ba_timeout); + } + + return 0; +} + +static int +nxpwifi_uap_event_amsdu_aggr_ctrl(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u16 ctrl; + + ctrl = get_unaligned_le16(adapter->event_body); + nxpwifi_dbg(adapter, EVENT, + "event: AMSDU_AGGR_CTRL %d\n", ctrl); + + if (priv->media_connected) { + adapter->tx_buf_size = + min_t(u16, adapter->curr_tx_buf_size, ctrl); + nxpwifi_dbg(adapter, EVENT, + "event: tx_buf_size %d\n", + adapter->tx_buf_size); + } + + return 0; +} + +static int +nxpwifi_uap_event_bss_idle(struct nxpwifi_private *priv) +{ + priv->media_connected = false; + priv->port_open = false; + nxpwifi_clean_txrx(priv); + nxpwifi_del_all_sta_list(priv); + + return 0; +} + +static int +nxpwifi_uap_event_bss_active(struct nxpwifi_private *priv) +{ + priv->media_connected = true; + priv->port_open = true; + + return 0; +} + +static int +nxpwifi_uap_event_mic_countermeasures(struct nxpwifi_private *priv) +{ + /* For future development */ + + return 0; +} + +static int +nxpwifi_uap_event_radar_detected(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_11h_handle_radar_detected(priv, adapter->event_skb); +} + +static int +nxpwifi_uap_event_channel_report_rdy(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_11h_handle_chanrpt_ready(priv, adapter->event_skb); +} + +static int +nxpwifi_uap_event_tx_data_pause(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_process_tx_pause_event(priv, adapter->event_skb); + + return 0; +} + +static int +nxpwifi_uap_event_ext_scan_report(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + void *buf = adapter->event_skb->data; + int ret = 0; + + if (adapter->ext_scan) + ret = nxpwifi_handle_event_ext_scan_report(priv, buf); + + return ret; +} + +static int +nxpwifi_uap_event_rxba_sync(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_11n_rxba_sync_event(priv, adapter->event_body, + adapter->event_skb->len - + sizeof(adapter->event_cause)); + + return 0; +} + +static int +nxpwifi_uap_event_remain_on_chan_expired(struct nxpwifi_private *priv) +{ + cfg80211_remain_on_channel_expired(&priv->wdev, + priv->roc_cfg.cookie, + &priv->roc_cfg.chan, + GFP_ATOMIC); + memset(&priv->roc_cfg, 0x00, sizeof(struct nxpwifi_roc_cfg)); + + return 0; +} + +static int +nxpwifi_uap_event_multi_chan_info(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_process_multi_chan_event(priv, adapter->event_skb); + + return 0; +} + +static int +nxpwifi_uap_event_tx_status_report(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_parse_tx_status_event(priv, adapter->event_body); + + return 0; +} + +static int +nxpwifi_uap_event_bt_coex_wlan_para_change(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + nxpwifi_bt_coex_wlan_param_update_event(priv, adapter->event_skb); + + return 0; +} + +static int +nxpwifi_uap_event_vdll_ind(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + return nxpwifi_process_vdll_event(priv, adapter->event_skb); +} + +static const struct nxpwifi_evt_entry evt_table_uap[] = { + {.event_cause = EVENT_PS_AWAKE, + .event_handler = nxpwifi_uap_event_ps_awake}, + {.event_cause = EVENT_PS_SLEEP, + .event_handler = nxpwifi_uap_event_ps_sleep}, + {.event_cause = EVENT_UAP_STA_DEAUTH, + .event_handler = nxpwifi_uap_event_sta_deauth}, + {.event_cause = EVENT_UAP_STA_ASSOC, + .event_handler = nxpwifi_uap_event_sta_assoc}, + {.event_cause = EVENT_UAP_BSS_START, + .event_handler = nxpwifi_uap_event_bss_start}, + {.event_cause = EVENT_ADDBA, + .event_handler = nxpwifi_uap_event_addba}, + {.event_cause = EVENT_DELBA, + .event_handler = nxpwifi_uap_event_delba}, + {.event_cause = EVENT_BA_STREAM_TIEMOUT, + .event_handler = nxpwifi_uap_event_ba_stream_timeout}, + {.event_cause = EVENT_AMSDU_AGGR_CTRL, + .event_handler = nxpwifi_uap_event_amsdu_aggr_ctrl}, + {.event_cause = EVENT_UAP_BSS_IDLE, + .event_handler = nxpwifi_uap_event_bss_idle}, + {.event_cause = EVENT_UAP_BSS_ACTIVE, + .event_handler = nxpwifi_uap_event_bss_active}, + {.event_cause = EVENT_UAP_MIC_COUNTERMEASURES, + .event_handler = nxpwifi_uap_event_mic_countermeasures}, + {.event_cause = EVENT_RADAR_DETECTED, + .event_handler = nxpwifi_uap_event_radar_detected}, + {.event_cause = EVENT_CHANNEL_REPORT_RDY, + .event_handler = nxpwifi_uap_event_channel_report_rdy}, + {.event_cause = EVENT_TX_DATA_PAUSE, + .event_handler = nxpwifi_uap_event_tx_data_pause}, + {.event_cause = EVENT_EXT_SCAN_REPORT, + .event_handler = nxpwifi_uap_event_ext_scan_report}, + {.event_cause = EVENT_RXBA_SYNC, + .event_handler = nxpwifi_uap_event_rxba_sync}, + {.event_cause = EVENT_REMAIN_ON_CHAN_EXPIRED, + .event_handler = nxpwifi_uap_event_remain_on_chan_expired}, + {.event_cause = EVENT_MULTI_CHAN_INFO, + .event_handler = nxpwifi_uap_event_multi_chan_info}, + {.event_cause = EVENT_TX_STATUS_REPORT, + .event_handler = nxpwifi_uap_event_tx_status_report}, + {.event_cause = EVENT_BT_COEX_WLAN_PARA_CHANGE, + .event_handler = nxpwifi_uap_event_bt_coex_wlan_para_change}, + {.event_cause = EVENT_VDLL_IND, + .event_handler = nxpwifi_uap_event_vdll_ind}, +}; + +/* Handle AP‑interface events by dispatching them to event‑specific routines. */ +int nxpwifi_process_uap_event(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u32 eventcause = adapter->event_cause; + int evt, ret = 0; + + for (evt = 0; evt < ARRAY_SIZE(evt_table_uap); evt++) { + if (eventcause == evt_table_uap[evt].event_cause) { + if (evt_table_uap[evt].event_handler) + ret = evt_table_uap[evt].event_handler(priv); + break; + } + } + + if (evt == ARRAY_SIZE(evt_table_uap)) + nxpwifi_dbg(adapter, EVENT, + "%s: unknown event id: %#x\n", + __func__, eventcause); + else + nxpwifi_dbg(adapter, EVENT, + "%s: event id: %#x\n", + __func__, eventcause); + + return ret; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/uap_txrx.c b/drivers/net/wireless/nxp/nxpwifi/uap_txrx.c new file mode 100644 index 000000000000..f3d24bf861ca --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/uap_txrx.c @@ -0,0 +1,478 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: AP TX and RX data handling + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "main.h" +#include "wmm.h" +#include "11n_aggr.h" +#include "11n_rxreorder.h" + +/* + * Drop bridged pkts from RA list until pending <= low threshold; return true if + * any. + */ +static bool +nxpwifi_uap_del_tx_pkts_in_ralist(struct nxpwifi_private *priv, + struct list_head *ra_list_head, + int tid) +{ + struct nxpwifi_ra_list_tbl *ra_list; + struct sk_buff *skb, *tmp; + bool pkt_deleted = false; + struct nxpwifi_txinfo *tx_info; + struct nxpwifi_adapter *adapter = priv->adapter; + + list_for_each_entry(ra_list, ra_list_head, list) { + if (skb_queue_empty(&ra_list->skb_head)) + continue; + + skb_queue_walk_safe(&ra_list->skb_head, skb, tmp) { + tx_info = NXPWIFI_SKB_TXCB(skb); + if (tx_info->flags & NXPWIFI_BUF_FLAG_BRIDGED_PKT) { + __skb_unlink(skb, &ra_list->skb_head); + nxpwifi_write_data_complete(adapter, skb, 0, + -1); + if (ra_list->tx_paused) + priv->wmm.pkts_paused[tid]--; + else + atomic_dec(&priv->wmm.tx_pkts_queued); + pkt_deleted = true; + } + if ((atomic_read(&adapter->pending_bridged_pkts) <= + NXPWIFI_BRIDGED_PKTS_THR_LOW)) + break; + } + } + + return pkt_deleted; +} + +/* Delete bridged pkts from one RA list; rotate index to keep fairness. */ +static void nxpwifi_uap_cleanup_tx_queues(struct nxpwifi_private *priv) +{ + struct list_head *ra_list; + int i; + + spin_lock_bh(&priv->wmm.ra_list_spinlock); + + for (i = 0; i < MAX_NUM_TID; i++, priv->del_list_idx++) { + if (priv->del_list_idx == MAX_NUM_TID) + priv->del_list_idx = 0; + ra_list = &priv->wmm.tid_tbl_ptr[priv->del_list_idx].ra_list; + if (nxpwifi_uap_del_tx_pkts_in_ralist(priv, ra_list, i)) { + priv->del_list_idx++; + break; + } + } + + spin_unlock_bh(&priv->wmm.ra_list_spinlock); +} + +static void +nxpwifi_uap_queue_bridged_pkt(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct uap_rxpd *uap_rx_pd; + struct rx_packet_hdr *rx_pkt_hdr; + struct sk_buff *new_skb; + struct nxpwifi_txinfo *tx_info; + int hdr_chop; + struct ethhdr *p_ethhdr; + struct nxpwifi_sta_node *src_node; + int index; + + uap_rx_pd = (struct uap_rxpd *)(skb->data); + rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset); + + if ((atomic_read(&adapter->pending_bridged_pkts) >= + NXPWIFI_BRIDGED_PKTS_THR_HIGH)) { + nxpwifi_dbg(adapter, ERROR, + "Tx: Bridge packet limit reached. Drop packet!\n"); + kfree_skb(skb); + nxpwifi_uap_cleanup_tx_queues(priv); + return; + } + + if (sizeof(*rx_pkt_hdr) + + le16_to_cpu(uap_rx_pd->rx_pkt_offset) > skb->len) { + priv->stats.rx_dropped++; + dev_kfree_skb_any(skb); + return; + } + + if ((!memcmp(&rx_pkt_hdr->rfc1042_hdr, bridge_tunnel_header, + sizeof(bridge_tunnel_header))) || + (!memcmp(&rx_pkt_hdr->rfc1042_hdr, rfc1042_header, + sizeof(rfc1042_header)) && + rx_pkt_hdr->rfc1042_hdr.snap_type != htons(ETH_P_AARP) && + rx_pkt_hdr->rfc1042_hdr.snap_type != htons(ETH_P_IPX))) { + /* + * Replace the 803 header and rfc1042 header (llc/snap) with + * an Ethernet II header, keep the src/dst and snap_type + * (ethertype). + * + * The firmware only passes up SNAP frames converting all RX + * data from 802.11 to 802.2/LLC/SNAP frames. + * + * To create the Ethernet II, just move the src, dst address + * right before the snap_type. + */ + p_ethhdr = (struct ethhdr *) + ((u8 *)(&rx_pkt_hdr->eth803_hdr) + + sizeof(rx_pkt_hdr->eth803_hdr) + + sizeof(rx_pkt_hdr->rfc1042_hdr) + - sizeof(rx_pkt_hdr->eth803_hdr.h_dest) + - sizeof(rx_pkt_hdr->eth803_hdr.h_source) + - sizeof(rx_pkt_hdr->rfc1042_hdr.snap_type)); + memcpy(p_ethhdr->h_source, rx_pkt_hdr->eth803_hdr.h_source, + sizeof(p_ethhdr->h_source)); + memcpy(p_ethhdr->h_dest, rx_pkt_hdr->eth803_hdr.h_dest, + sizeof(p_ethhdr->h_dest)); + /* + * Chop off the rxpd + the excess memory from + * 802.2/llc/snap header that was removed. + */ + hdr_chop = (u8 *)p_ethhdr - (u8 *)uap_rx_pd; + } else { + /* Chop off the rxpd */ + hdr_chop = (u8 *)&rx_pkt_hdr->eth803_hdr - (u8 *)uap_rx_pd; + } + + /* + * Chop off the leading header bytes so that it points + * to the start of either the reconstructed EthII frame + * or the 802.2/llc/snap frame. + */ + skb_pull(skb, hdr_chop); + + if (skb_headroom(skb) < NXPWIFI_MIN_DATA_HEADER_LEN) { + nxpwifi_dbg(adapter, ERROR, + "data: Tx: insufficient skb headroom %d\n", + skb_headroom(skb)); + /* Insufficient skb headroom - allocate a new skb */ + new_skb = + skb_realloc_headroom(skb, NXPWIFI_MIN_DATA_HEADER_LEN); + if (unlikely(!new_skb)) { + nxpwifi_dbg(adapter, ERROR, + "Tx: cannot allocate new_skb\n"); + kfree_skb(skb); + priv->stats.tx_dropped++; + return; + } + + kfree_skb(skb); + skb = new_skb; + nxpwifi_dbg(adapter, INFO, + "info: new skb headroom %d\n", + skb_headroom(skb)); + } + + tx_info = NXPWIFI_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); + tx_info->bss_num = priv->bss_num; + tx_info->bss_type = priv->bss_type; + tx_info->flags |= NXPWIFI_BUF_FLAG_BRIDGED_PKT; + + rcu_read_lock(); + src_node = nxpwifi_get_sta_entry(priv, rx_pkt_hdr->eth803_hdr.h_source); + if (src_node) { + src_node->stats.last_rx = jiffies; + src_node->stats.rx_bytes += skb->len; + src_node->stats.rx_packets++; + src_node->stats.last_tx_rate = uap_rx_pd->rx_rate; + src_node->stats.last_tx_htinfo = uap_rx_pd->ht_info; + } + rcu_read_unlock(); + + if (is_unicast_ether_addr(rx_pkt_hdr->eth803_hdr.h_dest)) { + /* + * Update bridge packet statistics as the + * packet is not going to kernel/upper layer. + */ + priv->stats.rx_bytes += skb->len; + priv->stats.rx_packets++; + + /* + * Sending bridge packet to TX queue, so save the packet + * length in TXCB to update statistics in TX complete. + */ + tx_info->pkt_len = skb->len; + } + + __net_timestamp(skb); + + index = nxpwifi_1d_to_wmm_queue[skb->priority]; + atomic_inc(&priv->wmm_tx_pending[index]); + nxpwifi_wmm_add_buf_txqueue(priv, skb); + atomic_inc(&adapter->tx_pending); + atomic_inc(&adapter->pending_bridged_pkts); + + nxpwifi_queue_work(adapter, &adapter->main_work); +} + +/* AP fwd: mcast/bcast -> up + bridge; unicast -> bridge if RA assoc, else up. */ +int nxpwifi_handle_uap_rx_forward(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct uap_rxpd *uap_rx_pd; + struct rx_packet_hdr *rx_pkt_hdr; + u8 ra[ETH_ALEN]; + struct sk_buff *skb_uap; + struct nxpwifi_sta_node *node; + + uap_rx_pd = (struct uap_rxpd *)(skb->data); + rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset); + + /* don't do packet forwarding in disconnected state */ + if (!priv->media_connected) { + nxpwifi_dbg(adapter, ERROR, + "drop packet in disconnected state.\n"); + dev_kfree_skb_any(skb); + return 0; + } + + memcpy(ra, rx_pkt_hdr->eth803_hdr.h_dest, ETH_ALEN); + + if (is_multicast_ether_addr(ra)) { + skb_uap = skb_copy(skb, GFP_ATOMIC); + if (likely(skb_uap)) { + nxpwifi_uap_queue_bridged_pkt(priv, skb_uap); + } else { + nxpwifi_dbg(adapter, ERROR, + "failed to copy skb for uAP\n"); + priv->stats.rx_dropped++; + dev_kfree_skb_any(skb); + return -ENOMEM; + } + } else { + node = nxpwifi_get_sta_entry_rcu(priv, ra); + if (node) { + /* Requeue Intra-BSS packet */ + nxpwifi_uap_queue_bridged_pkt(priv, skb); + return 0; + } + } + + /* Forward unicat/Inter-BSS packets to kernel. */ + return nxpwifi_process_rx_packet(priv, skb); +} + +int nxpwifi_uap_recv_packet(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_sta_node *src_node, *dst_node; + struct ethhdr *p_ethhdr; + struct sk_buff *skb_uap; + struct nxpwifi_txinfo *tx_info; + + if (!skb) + return -ENOMEM; + + p_ethhdr = (void *)skb->data; + rcu_read_lock(); + src_node = nxpwifi_get_sta_entry(priv, p_ethhdr->h_source); + if (src_node) { + src_node->stats.last_rx = jiffies; + src_node->stats.rx_bytes += skb->len; + src_node->stats.rx_packets++; + } + dst_node = nxpwifi_get_sta_entry(priv, p_ethhdr->h_dest); + rcu_read_unlock(); + + if (is_multicast_ether_addr(p_ethhdr->h_dest) || dst_node) { + if (skb_headroom(skb) < NXPWIFI_MIN_DATA_HEADER_LEN) + skb_uap = + skb_realloc_headroom(skb, NXPWIFI_MIN_DATA_HEADER_LEN); + else + skb_uap = skb_copy(skb, GFP_ATOMIC); + + if (likely(skb_uap)) { + tx_info = NXPWIFI_SKB_TXCB(skb_uap); + memset(tx_info, 0, sizeof(*tx_info)); + tx_info->bss_num = priv->bss_num; + tx_info->bss_type = priv->bss_type; + tx_info->flags |= NXPWIFI_BUF_FLAG_BRIDGED_PKT; + __net_timestamp(skb_uap); + nxpwifi_wmm_add_buf_txqueue(priv, skb_uap); + atomic_inc(&adapter->tx_pending); + atomic_inc(&adapter->pending_bridged_pkts); + if ((atomic_read(&adapter->pending_bridged_pkts) >= + NXPWIFI_BRIDGED_PKTS_THR_HIGH)) { + nxpwifi_dbg(adapter, ERROR, + "Tx: Bridge packet limit reached. Drop packet!\n"); + nxpwifi_uap_cleanup_tx_queues(priv); + } + + } else { + nxpwifi_dbg(adapter, ERROR, "failed to allocate skb_uap"); + } + + nxpwifi_queue_work(adapter, &adapter->main_work); + /* Don't forward Intra-BSS unicast packet to upper layer*/ + + if (dst_node) + return 0; + } + + skb->dev = priv->netdev; + skb->protocol = eth_type_trans(skb, priv->netdev); + skb->ip_summed = CHECKSUM_NONE; + + /* Forward multicast/broadcast packet to upper layer*/ + netif_rx(skb); + return 0; +} + +/* Process AP RX: check RxPD/len, handle mgmt or 11n reorder/AMSDU, then forward. */ +int nxpwifi_process_uap_rx_packet(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + struct uap_rxpd *uap_rx_pd; + struct rx_packet_hdr *rx_pkt_hdr; + u16 rx_pkt_type; + u8 ta[ETH_ALEN], pkt_type; + struct nxpwifi_sta_node *node; + + uap_rx_pd = (struct uap_rxpd *)(skb->data); + rx_pkt_type = le16_to_cpu(uap_rx_pd->rx_pkt_type); + rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset); + + if (le16_to_cpu(uap_rx_pd->rx_pkt_offset) + + sizeof(rx_pkt_hdr->eth803_hdr) > skb->len) { + nxpwifi_dbg(adapter, ERROR, + "wrong rx packet for struct ethhdr: len=%d, offset=%d\n", + skb->len, le16_to_cpu(uap_rx_pd->rx_pkt_offset)); + priv->stats.rx_dropped++; + dev_kfree_skb_any(skb); + return 0; + } + + ether_addr_copy(ta, rx_pkt_hdr->eth803_hdr.h_source); + + if ((le16_to_cpu(uap_rx_pd->rx_pkt_offset) + + le16_to_cpu(uap_rx_pd->rx_pkt_length)) > (u16)skb->len) { + nxpwifi_dbg(adapter, ERROR, + "wrong rx packet: len=%d, offset=%d, length=%d\n", + skb->len, le16_to_cpu(uap_rx_pd->rx_pkt_offset), + le16_to_cpu(uap_rx_pd->rx_pkt_length)); + priv->stats.rx_dropped++; + rcu_read_lock(); + node = nxpwifi_get_sta_entry(priv, ta); + if (node) + node->stats.tx_failed++; + rcu_read_unlock(); + + dev_kfree_skb_any(skb); + return 0; + } + + if (rx_pkt_type == PKT_TYPE_MGMT) { + ret = nxpwifi_process_mgmt_packet(priv, skb); + if (ret && (ret != -EINPROGRESS)) + nxpwifi_dbg(adapter, DATA, "Rx of mgmt packet failed"); + if (ret != -EINPROGRESS) + dev_kfree_skb_any(skb); + return ret; + } + + if (rx_pkt_type != PKT_TYPE_BAR && uap_rx_pd->priority < MAX_NUM_TID) { + rcu_read_lock(); + node = nxpwifi_get_sta_entry(priv, ta); + if (node) + node->rx_seq[uap_rx_pd->priority] = + le16_to_cpu(uap_rx_pd->seq_num); + rcu_read_unlock(); + } + + if (!priv->ap_11n_enabled || + (!nxpwifi_11n_get_rx_reorder_tbl(priv, uap_rx_pd->priority, ta) && + (le16_to_cpu(uap_rx_pd->rx_pkt_type) != PKT_TYPE_AMSDU))) { + ret = nxpwifi_handle_uap_rx_forward(priv, skb); + return ret; + } + + /* Reorder and send to kernel */ + pkt_type = (u8)le16_to_cpu(uap_rx_pd->rx_pkt_type); + ret = nxpwifi_11n_rx_reorder_pkt(priv, le16_to_cpu(uap_rx_pd->seq_num), + uap_rx_pd->priority, ta, pkt_type, skb); + + if (ret || rx_pkt_type == PKT_TYPE_BAR) + dev_kfree_skb_any(skb); + + if (ret) + priv->stats.rx_dropped++; + + return ret; +} + +/* + * Build TxPD for AP TX: push aligned TxPD; set bss, len/off, prio, delay, txctl, + * flags. + */ +void nxpwifi_process_uap_txpd(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct uap_txpd *txpd; + struct nxpwifi_txinfo *tx_info = NXPWIFI_SKB_TXCB(skb); + int pad; + u16 pkt_type, pkt_offset; + int hroom = adapter->intf_hdr_len; + + pkt_type = nxpwifi_is_skb_mgmt_frame(skb) ? PKT_TYPE_MGMT : 0; + + pad = ((uintptr_t)skb->data - (sizeof(*txpd) + hroom)) & + (NXPWIFI_DMA_ALIGN_SZ - 1); + + skb_push(skb, sizeof(*txpd) + pad); + + txpd = (struct uap_txpd *)skb->data; + memset(txpd, 0, sizeof(*txpd)); + txpd->bss_num = priv->bss_num; + txpd->bss_type = priv->bss_type; + txpd->tx_pkt_length = cpu_to_le16((u16)(skb->len - (sizeof(*txpd) + + pad))); + txpd->priority = (u8)skb->priority; + + txpd->pkt_delay_2ms = nxpwifi_wmm_compute_drv_pkt_delay(priv, skb); + + if (tx_info->flags & NXPWIFI_BUF_FLAG_EAPOL_TX_STATUS || + tx_info->flags & NXPWIFI_BUF_FLAG_ACTION_TX_STATUS) { + txpd->tx_token_id = tx_info->ack_frame_id; + txpd->flags |= NXPWIFI_TXPD_FLAGS_REQ_TX_STATUS; + } + + if (txpd->priority < ARRAY_SIZE(priv->wmm.user_pri_pkt_tx_ctrl)) + /* + * Set the priority specific tx_control field, setting of 0 will + * cause the default value to be used later in this function. + */ + txpd->tx_control = + cpu_to_le32(priv->wmm.user_pri_pkt_tx_ctrl[txpd->priority]); + + /* Offset of actual data */ + pkt_offset = sizeof(*txpd) + pad; + if (pkt_type == PKT_TYPE_MGMT) { + /* Set the packet type and add header for management frame */ + txpd->tx_pkt_type = cpu_to_le16(pkt_type); + pkt_offset += NXPWIFI_MGMT_FRAME_HEADER_SIZE; + } + + txpd->tx_pkt_offset = cpu_to_le16(pkt_offset); + + /* make space for adapter->intf_hdr_len */ + skb_push(skb, hroom); + + if (!txpd->tx_control) + /* TxCtrl set by user or default */ + txpd->tx_control = cpu_to_le32(priv->pkt_tx_ctrl); +} diff --git a/drivers/net/wireless/nxp/nxpwifi/util.c b/drivers/net/wireless/nxp/nxpwifi/util.c new file mode 100644 index 000000000000..29ef031f8ec9 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/util.c @@ -0,0 +1,1381 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: utility functions + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "cmdevt.h" +#include "wmm.h" +#include "11n.h" +#include +#include +#include +#include +#include + +#define RX_RATE_FORMAT_MASK GENMASK(1, 0) +#define RX_RATE_BW_MASK GENMASK(3, 2) +#define RX_RATE_GI_MASK BIT(4) +#define RX_RATE_STBC_MASK BIT(5) +#define RX_RATE_LDPC_MASK BIT(6) + +static struct nxpwifi_debug_data items[] = { + {"debug_mask", item_size(debug_mask), + item_addr(debug_mask), 1}, + {"int_counter", item_size(int_counter), + item_addr(int_counter), 1}, + {"wmm_ac_vo", item_size(packets_out[WMM_AC_VO]), + item_addr(packets_out[WMM_AC_VO]), 1}, + {"wmm_ac_vi", item_size(packets_out[WMM_AC_VI]), + item_addr(packets_out[WMM_AC_VI]), 1}, + {"wmm_ac_be", item_size(packets_out[WMM_AC_BE]), + item_addr(packets_out[WMM_AC_BE]), 1}, + {"wmm_ac_bk", item_size(packets_out[WMM_AC_BK]), + item_addr(packets_out[WMM_AC_BK]), 1}, + {"tx_buf_size", item_size(tx_buf_size), + item_addr(tx_buf_size), 1}, + {"curr_tx_buf_size", item_size(curr_tx_buf_size), + item_addr(curr_tx_buf_size), 1}, + {"ps_mode", item_size(ps_mode), + item_addr(ps_mode), 1}, + {"ps_state", item_size(ps_state), + item_addr(ps_state), 1}, + {"is_deep_sleep", item_size(is_deep_sleep), + item_addr(is_deep_sleep), 1}, + {"wakeup_dev_req", item_size(pm_wakeup_card_req), + item_addr(pm_wakeup_card_req), 1}, + {"wakeup_tries", item_size(pm_wakeup_fw_try), + item_addr(pm_wakeup_fw_try), 1}, + {"hs_configured", item_size(is_hs_configured), + item_addr(is_hs_configured), 1}, + {"hs_activated", item_size(hs_activated), + item_addr(hs_activated), 1}, + {"num_tx_timeout", item_size(num_tx_timeout), + item_addr(num_tx_timeout), 1}, + {"is_cmd_timedout", item_size(is_cmd_timedout), + item_addr(is_cmd_timedout), 1}, + {"timeout_cmd_id", item_size(timeout_cmd_id), + item_addr(timeout_cmd_id), 1}, + {"timeout_cmd_act", item_size(timeout_cmd_act), + item_addr(timeout_cmd_act), 1}, + {"last_cmd_id", item_size(last_cmd_id), + item_addr(last_cmd_id), DBG_CMD_NUM}, + {"last_cmd_act", item_size(last_cmd_act), + item_addr(last_cmd_act), DBG_CMD_NUM}, + {"last_cmd_index", item_size(last_cmd_index), + item_addr(last_cmd_index), 1}, + {"last_cmd_resp_id", item_size(last_cmd_resp_id), + item_addr(last_cmd_resp_id), DBG_CMD_NUM}, + {"last_cmd_resp_index", item_size(last_cmd_resp_index), + item_addr(last_cmd_resp_index), 1}, + {"last_event", item_size(last_event), + item_addr(last_event), DBG_CMD_NUM}, + {"last_event_index", item_size(last_event_index), + item_addr(last_event_index), 1}, + {"last_mp_wr_bitmap", item_size(last_mp_wr_bitmap), + item_addr(last_mp_wr_bitmap), NXPWIFI_DBG_SDIO_MP_NUM}, + {"last_mp_wr_ports", item_size(last_mp_wr_ports), + item_addr(last_mp_wr_ports), NXPWIFI_DBG_SDIO_MP_NUM}, + {"last_mp_wr_len", item_size(last_mp_wr_len), + item_addr(last_mp_wr_len), NXPWIFI_DBG_SDIO_MP_NUM}, + {"last_mp_curr_wr_port", item_size(last_mp_curr_wr_port), + item_addr(last_mp_curr_wr_port), NXPWIFI_DBG_SDIO_MP_NUM}, + {"last_sdio_mp_index", item_size(last_sdio_mp_index), + item_addr(last_sdio_mp_index), 1}, + {"num_cmd_h2c_fail", item_size(num_cmd_host_to_card_failure), + item_addr(num_cmd_host_to_card_failure), 1}, + {"num_cmd_sleep_cfm_fail", + item_size(num_cmd_sleep_cfm_host_to_card_failure), + item_addr(num_cmd_sleep_cfm_host_to_card_failure), 1}, + {"num_tx_h2c_fail", item_size(num_tx_host_to_card_failure), + item_addr(num_tx_host_to_card_failure), 1}, + {"num_evt_deauth", item_size(num_event_deauth), + item_addr(num_event_deauth), 1}, + {"num_evt_disassoc", item_size(num_event_disassoc), + item_addr(num_event_disassoc), 1}, + {"num_evt_link_lost", item_size(num_event_link_lost), + item_addr(num_event_link_lost), 1}, + {"num_cmd_deauth", item_size(num_cmd_deauth), + item_addr(num_cmd_deauth), 1}, + {"num_cmd_assoc_ok", item_size(num_cmd_assoc_success), + item_addr(num_cmd_assoc_success), 1}, + {"num_cmd_assoc_fail", item_size(num_cmd_assoc_failure), + item_addr(num_cmd_assoc_failure), 1}, + {"cmd_sent", item_size(cmd_sent), + item_addr(cmd_sent), 1}, + {"data_sent", item_size(data_sent), + item_addr(data_sent), 1}, + {"cmd_resp_received", item_size(cmd_resp_received), + item_addr(cmd_resp_received), 1}, + {"event_received", item_size(event_received), + item_addr(event_received), 1}, + + /* variables defined in struct nxpwifi_adapter */ + {"cmd_pending", adapter_item_size(cmd_pending), + adapter_item_addr(cmd_pending), 1}, + {"tx_pending", adapter_item_size(tx_pending), + adapter_item_addr(tx_pending), 1}, + {"rx_pending", adapter_item_size(rx_pending), + adapter_item_addr(rx_pending), 1}, +}; + +static int num_of_items = ARRAY_SIZE(items); + +/* Send init or shutdown command to firmware. */ +int nxpwifi_init_shutdown_fw(struct nxpwifi_private *priv, + u32 func_init_shutdown) +{ + u16 cmd; + + if (func_init_shutdown == NXPWIFI_FUNC_INIT) { + cmd = HOST_CMD_FUNC_INIT; + } else if (func_init_shutdown == NXPWIFI_FUNC_SHUTDOWN) { + cmd = HOST_CMD_FUNC_SHUTDOWN; + } else { + nxpwifi_dbg(priv->adapter, ERROR, + "unsupported parameter\n"); + return -EINVAL; + } + + return nxpwifi_send_cmd(priv, cmd, HOST_ACT_GEN_SET, 0, NULL, true); +} +EXPORT_SYMBOL_GPL(nxpwifi_init_shutdown_fw); + +/* Handle IOCTL get/set of debug info across driver structures. */ +int nxpwifi_get_debug_info(struct nxpwifi_private *priv, + struct nxpwifi_debug_info *info) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + + if (info) { + info->debug_mask = adapter->debug_mask; + memcpy(info->packets_out, + priv->wmm.packets_out, + sizeof(priv->wmm.packets_out)); + info->curr_tx_buf_size = (u32)adapter->curr_tx_buf_size; + info->tx_buf_size = (u32)adapter->tx_buf_size; + info->rx_tbl_num = nxpwifi_get_rx_reorder_tbl(priv, + info->rx_tbl); + info->tx_tbl_num = nxpwifi_get_tx_ba_stream_tbl(priv, + info->tx_tbl); + info->ps_mode = adapter->ps_mode; + info->ps_state = adapter->ps_state; + info->is_deep_sleep = adapter->is_deep_sleep; + info->pm_wakeup_card_req = adapter->pm_wakeup_card_req; + info->pm_wakeup_fw_try = adapter->pm_wakeup_fw_try; + info->is_hs_configured = test_bit(NXPWIFI_IS_HS_CONFIGURED, + &adapter->work_flags); + info->hs_activated = adapter->hs_activated; + info->is_cmd_timedout = test_bit(NXPWIFI_IS_CMD_TIMEDOUT, + &adapter->work_flags); + info->num_cmd_host_to_card_failure = + adapter->dbg.num_cmd_host_to_card_failure; + info->num_cmd_sleep_cfm_host_to_card_failure = + adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure; + info->num_tx_host_to_card_failure = + adapter->dbg.num_tx_host_to_card_failure; + info->num_event_deauth = adapter->dbg.num_event_deauth; + info->num_event_disassoc = adapter->dbg.num_event_disassoc; + info->num_event_link_lost = adapter->dbg.num_event_link_lost; + info->num_cmd_deauth = adapter->dbg.num_cmd_deauth; + info->num_cmd_assoc_success = + adapter->dbg.num_cmd_assoc_success; + info->num_cmd_assoc_failure = + adapter->dbg.num_cmd_assoc_failure; + info->num_tx_timeout = adapter->dbg.num_tx_timeout; + info->timeout_cmd_id = adapter->dbg.timeout_cmd_id; + info->timeout_cmd_act = adapter->dbg.timeout_cmd_act; + memcpy(info->last_cmd_id, adapter->dbg.last_cmd_id, + sizeof(adapter->dbg.last_cmd_id)); + memcpy(info->last_cmd_act, adapter->dbg.last_cmd_act, + sizeof(adapter->dbg.last_cmd_act)); + info->last_cmd_index = adapter->dbg.last_cmd_index; + memcpy(info->last_cmd_resp_id, adapter->dbg.last_cmd_resp_id, + sizeof(adapter->dbg.last_cmd_resp_id)); + info->last_cmd_resp_index = adapter->dbg.last_cmd_resp_index; + memcpy(info->last_event, adapter->dbg.last_event, + sizeof(adapter->dbg.last_event)); + info->last_event_index = adapter->dbg.last_event_index; + memcpy(info->last_mp_wr_bitmap, adapter->dbg.last_mp_wr_bitmap, + sizeof(adapter->dbg.last_mp_wr_bitmap)); + memcpy(info->last_mp_wr_ports, adapter->dbg.last_mp_wr_ports, + sizeof(adapter->dbg.last_mp_wr_ports)); + memcpy(info->last_mp_curr_wr_port, + adapter->dbg.last_mp_curr_wr_port, + sizeof(adapter->dbg.last_mp_curr_wr_port)); + memcpy(info->last_mp_wr_len, adapter->dbg.last_mp_wr_len, + sizeof(adapter->dbg.last_mp_wr_len)); + info->last_sdio_mp_index = adapter->dbg.last_sdio_mp_index; + info->data_sent = adapter->data_sent; + info->cmd_sent = adapter->cmd_sent; + info->cmd_resp_received = adapter->cmd_resp_received; + } + + return 0; +} + +int nxpwifi_debug_info_to_buffer(struct nxpwifi_private *priv, char *buf, + struct nxpwifi_debug_info *info) +{ + char *p = buf; + struct nxpwifi_debug_data *d = &items[0]; + size_t size, addr; + long val; + int i, j; + + if (!info) + return 0; + + for (i = 0; i < num_of_items; i++) { + p += sprintf(p, "%s=", d[i].name); + + size = d[i].size / d[i].num; + + if (i < (num_of_items - 3)) + addr = d[i].addr + (size_t)info; + else /* The last 3 items are struct nxpwifi_adapter variables */ + addr = d[i].addr + (size_t)priv->adapter; + + for (j = 0; j < d[i].num; j++) { + switch (size) { + case 1: + val = *((u8 *)addr); + break; + case 2: + val = get_unaligned((u16 *)addr); + break; + case 4: + val = get_unaligned((u32 *)addr); + break; + case 8: + val = get_unaligned((long long *)addr); + break; + default: + val = -1; + break; + } + + p += sprintf(p, "%#lx ", val); + addr += size; + } + + p += sprintf(p, "\n"); + } + + if (info->tx_tbl_num) { + p += sprintf(p, "Tx BA stream table:\n"); + for (i = 0; i < info->tx_tbl_num; i++) + p += sprintf(p, "tid = %d, ra = %pM\n", + info->tx_tbl[i].tid, info->tx_tbl[i].ra); + } + + if (info->rx_tbl_num) { + p += sprintf(p, "Rx reorder table:\n"); + for (i = 0; i < info->rx_tbl_num; i++) { + p += sprintf(p, "tid = %d, ta = %pM, ", + info->rx_tbl[i].tid, + info->rx_tbl[i].ta); + p += sprintf(p, "start_win = %d, ", + info->rx_tbl[i].start_win); + p += sprintf(p, "win_size = %d, buffer: ", + info->rx_tbl[i].win_size); + + for (j = 0; j < info->rx_tbl[i].win_size; j++) + p += sprintf(p, "%c ", + info->rx_tbl[i].buffer[j] ? + '1' : '0'); + + p += sprintf(p, "\n"); + } + } + + return p - buf; +} + +bool nxpwifi_is_channel_setting_allowable(struct nxpwifi_private *priv, + struct ieee80211_channel *check_chan) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + int i; + struct nxpwifi_private *tmp_priv; + u8 bss_role = GET_BSS_ROLE(priv); + struct ieee80211_channel *set_chan; + + for (i = 0; i < adapter->priv_num; i++) { + tmp_priv = adapter->priv[i]; + if (tmp_priv == priv) + continue; + + set_chan = NULL; + if (bss_role == NXPWIFI_BSS_ROLE_STA) { + if (GET_BSS_ROLE(tmp_priv) == NXPWIFI_BSS_ROLE_UAP && + netif_carrier_ok(tmp_priv->netdev) && + cfg80211_chandef_valid(&tmp_priv->bss_chandef)) + set_chan = tmp_priv->bss_chandef.chan; + } else if (bss_role == NXPWIFI_BSS_ROLE_UAP) { + struct nxpwifi_current_bss_params *bss_params = + &tmp_priv->curr_bss_params; + int channel = bss_params->bss_descriptor.channel; + enum nl80211_band band = + nxpwifi_band_to_radio_type(bss_params->band); + int freq = + ieee80211_channel_to_frequency(channel, band); + + if (GET_BSS_ROLE(tmp_priv) == NXPWIFI_BSS_ROLE_STA && + tmp_priv->media_connected) + set_chan = ieee80211_get_channel(adapter->wiphy, freq); + } + + if (set_chan && !ieee80211_channel_equal(check_chan, set_chan)) { + nxpwifi_dbg(adapter, ERROR, + "AP/STA must run on the same channel\n"); + return false; + } + } + + return true; +} + +void nxpwifi_convert_chan_to_band_cfg(struct nxpwifi_private *priv, + u8 *band_cfg, + struct cfg80211_chan_def *chan_def) +{ + u8 chan_band = 0, chan_width = 0, chan2_offset = 0; + + switch (chan_def->chan->band) { + case NL80211_BAND_2GHZ: + chan_band = BAND_2GHZ; + break; + case NL80211_BAND_5GHZ: + chan_band = BAND_5GHZ; + break; + default: + break; + } + + switch (chan_def->width) { + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + chan_width = CHAN_BW_20MHZ; + break; + case NL80211_CHAN_WIDTH_40: + chan_width = CHAN_BW_40MHZ; + if (chan_def->center_freq1 > chan_def->chan->center_freq) + chan2_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + else + chan2_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW; + break; + case NL80211_CHAN_WIDTH_80: + chan2_offset = + nxpwifi_get_sec_chan_offset(chan_def->chan->hw_value); + chan_width = CHAN_BW_80MHZ; + break; + case NL80211_CHAN_WIDTH_80P80: + case NL80211_CHAN_WIDTH_160: + default: + nxpwifi_dbg(priv->adapter, + WARN, "Unknown channel width: %d\n", + chan_def->width); + break; + } + + *band_cfg = ((chan2_offset << BAND_CFG_CHAN2_SHIFT_BIT) & + BAND_CFG_CHAN2_OFFSET_MASK) | + ((chan_width << BAND_CFG_CHAN_WIDTH_SHIFT_BIT) & + BAND_CFG_CHAN_WIDTH_MASK) | + ((chan_band << BAND_CFG_CHAN_BAND_SHIFT_BIT) & + BAND_CFG_CHAN_BAND_MASK); +} + +static int +nxpwifi_parse_mgmt_packet(struct nxpwifi_private *priv, u8 *payload, u16 len, + struct rxpd *rx_pd) +{ + u16 stype; + u8 category; + struct ieee80211_hdr *ieee_hdr = (void *)payload; + + stype = (le16_to_cpu(ieee_hdr->frame_control) & IEEE80211_FCTL_STYPE); + + switch (stype) { + case IEEE80211_STYPE_ACTION: + category = *(payload + sizeof(struct ieee80211_hdr)); + switch (category) { + case WLAN_CATEGORY_BACK: + /*we dont indicate BACK action frames to cfg80211*/ + nxpwifi_dbg(priv->adapter, INFO, + "drop BACK action frames"); + return -EINVAL; + default: + nxpwifi_dbg(priv->adapter, INFO, + "unknown public action frame category %d\n", + category); + } + break; + default: + nxpwifi_dbg(priv->adapter, INFO, + "unknown mgmt frame subtype %#x\n", stype); + return 0; + } + + return 0; +} + +/* Send deauth frame to cfg80211. */ +void nxpwifi_host_mlme_disconnect(struct nxpwifi_private *priv, + u16 reason_code, u8 *sa) +{ + u8 frame_buf[100]; + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)frame_buf; + + memset(frame_buf, 0, sizeof(frame_buf)); + mgmt->frame_control = cpu_to_le16(IEEE80211_STYPE_DEAUTH); + mgmt->duration = 0; + mgmt->seq_ctrl = 0; + mgmt->u.deauth.reason_code = cpu_to_le16(reason_code); + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) { + eth_broadcast_addr(mgmt->da); + memcpy(mgmt->sa, + priv->curr_bss_params.bss_descriptor.mac_address, + ETH_ALEN); + memcpy(mgmt->bssid, priv->cfg_bssid, ETH_ALEN); + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + } else { + memcpy(mgmt->da, priv->curr_addr, ETH_ALEN); + memcpy(mgmt->sa, sa, ETH_ALEN); + memcpy(mgmt->bssid, priv->curr_addr, ETH_ALEN); + } + + if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) { + cfg80211_rx_mlme_mgmt(priv->netdev, frame_buf, 26); + } else { + cfg80211_rx_mgmt(&priv->wdev, + priv->bss_chandef.chan->center_freq, + 0, frame_buf, 26, 0); + } +} + +/* Parse and forward received management packet to cfg80211. */ +int +nxpwifi_process_mgmt_packet(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct rxpd *rx_pd; + u16 pkt_len; + struct ieee80211_hdr *ieee_hdr; + int ret; + + if (!skb) + return -ENOMEM; + + if (!priv->mgmt_frame_mask || + priv->wdev.iftype == NL80211_IFTYPE_UNSPECIFIED) { + nxpwifi_dbg(adapter, ERROR, + "do not receive mgmt frames on uninitialized intf"); + return -EINVAL; + } + + rx_pd = (struct rxpd *)skb->data; + pkt_len = le16_to_cpu(rx_pd->rx_pkt_length); + if (pkt_len < sizeof(struct ieee80211_hdr) + sizeof(pkt_len)) { + nxpwifi_dbg(adapter, ERROR, "invalid rx_pkt_length"); + return -EINVAL; + } + + skb_pull(skb, le16_to_cpu(rx_pd->rx_pkt_offset)); + skb_pull(skb, sizeof(pkt_len)); + pkt_len -= sizeof(pkt_len); + + ieee_hdr = (void *)skb->data; + if (ieee80211_is_mgmt(ieee_hdr->frame_control)) { + ret = nxpwifi_parse_mgmt_packet(priv, (u8 *)ieee_hdr, + pkt_len, rx_pd); + if (ret) + return ret; + } + /* Remove address4 */ + memmove(skb->data + sizeof(struct ieee80211_hdr_3addr), + skb->data + sizeof(struct ieee80211_hdr), + pkt_len - sizeof(struct ieee80211_hdr)); + + pkt_len -= ETH_ALEN; + rx_pd->rx_pkt_length = cpu_to_le16(pkt_len); + + if (priv->host_mlme_reg && + (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) && + (ieee80211_is_auth(ieee_hdr->frame_control) || + ieee80211_is_deauth(ieee_hdr->frame_control) || + ieee80211_is_disassoc(ieee_hdr->frame_control))) { + struct nxpwifi_rxinfo *rx_info; + + if (ieee80211_is_auth(ieee_hdr->frame_control)) { + if (priv->auth_flag & HOST_MLME_AUTH_PENDING) { + if (priv->auth_alg != WLAN_AUTH_SAE) { + priv->auth_flag &= + ~HOST_MLME_AUTH_PENDING; + priv->auth_flag |= + HOST_MLME_AUTH_DONE; + } + } else { + return 0; + } + + nxpwifi_dbg(adapter, MSG, + "auth: receive authentication from %pM\n", + ieee_hdr->addr3); + } else { + if (!priv->wdev.connected) + return 0; + + if (ieee80211_is_deauth(ieee_hdr->frame_control)) { + nxpwifi_dbg(adapter, MSG, + "auth: receive deauth from %pM\n", + ieee_hdr->addr3); + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + } else { + nxpwifi_dbg(adapter, MSG, + "assoc: receive disassoc from %pM\n", + ieee_hdr->addr3); + } + } + + rx_info = NXPWIFI_SKB_RXCB(skb); + rx_info->pkt_len = pkt_len; + skb_queue_tail(&adapter->rx_mlme_q, skb); + nxpwifi_queue_wiphy_work(adapter, &adapter->host_mlme_work); + return -EINPROGRESS; + } + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + if (ieee80211_is_auth(ieee_hdr->frame_control)) + nxpwifi_dbg(adapter, MSG, + "auth: receive auth from %pM\n", + ieee_hdr->addr2); + if (ieee80211_is_deauth(ieee_hdr->frame_control)) + nxpwifi_dbg(adapter, MSG, + "auth: receive deauth from %pM\n", + ieee_hdr->addr2); + if (ieee80211_is_disassoc(ieee_hdr->frame_control)) + nxpwifi_dbg(adapter, MSG, + "assoc: receive disassoc from %pM\n", + ieee_hdr->addr2); + if (ieee80211_is_assoc_req(ieee_hdr->frame_control)) + nxpwifi_dbg(adapter, MSG, + "assoc: receive assoc req from %pM\n", + ieee_hdr->addr2); + if (ieee80211_is_reassoc_req(ieee_hdr->frame_control)) + nxpwifi_dbg(adapter, MSG, + "assoc: receive reassoc req from %pM\n", + ieee_hdr->addr2); + } + + cfg80211_rx_mgmt(&priv->wdev, priv->roc_cfg.chan.center_freq, + CAL_RSSI(rx_pd->snr, rx_pd->nf), skb->data, pkt_len, + 0); + + return 0; +} + +#define RTAP_MAX_LEN 128 + +int nxpwifi_recv_packet_to_monif(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct rxpd *rxpd; + struct rxpd_extra_info ext; + struct ieee80211_hdr *dot11; + struct ieee80211_radiotap_header *hdr; + int freq, band; + bool has_ext = false, has_ts = false, use_tsft = false; + u16 rx_flags = 0, off, chan_flags, rx_pkt_offset; + __le16 freq_le, flags_le; + u8 rthdr[RTAP_MAX_LEN] = {0}; + s8 signal, noise; + u8 flags = 0, chan, ant, format, bw, gi, ldpc, mcs, nss, stbc; + + if (!skb) + return -EINVAL; + + rxpd = (struct rxpd *)skb->data; + rx_pkt_offset = le16_to_cpu(rxpd->rx_pkt_offset); + + if (rx_pkt_offset > skb->len || rx_pkt_offset < sizeof(struct rxpd)) + return -EINVAL; + + if (skb->len - rx_pkt_offset < sizeof(struct ieee80211_hdr)) + return -EINVAL; + + has_ext = rxpd->flags & RXPD_FLAG_EXTRA_HEADER; + + if (has_ext) + memcpy((void *)&ext, (void *)(rxpd + 1), sizeof(ext)); + + dot11 = (void *)skb->data + rx_pkt_offset; + memset(rthdr, 0, sizeof(rthdr)); + hdr = (void *)rthdr; + hdr->it_version = 0; + hdr->it_pad = 0; + hdr->it_present = 0; + off = sizeof(*hdr); + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_FLAGS)); + + if (has_ext) { + has_ts = true; + use_tsft = (ext.timestamp.position == 0); + + if (has_ts) { + if (use_tsft) + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_TSFT)); + else + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_TIMESTAMP)); + } + + flags = ext.flags & ~IEEE80211_RADIOTAP_F_BADFCS; + /* reverse fail fcs, 1 means pass FCS in FW, + * but means fail FCS in radiotap + */ + flags &= ~((~ext.flags) & IEEE80211_RADIOTAP_F_BADFCS); + + if (ext.plcp_crc_failed) + rx_flags |= IEEE80211_RADIOTAP_F_RX_BADPLCP; + } + + if (has_ts && use_tsft) { + off = ALIGN(off, 8); + memcpy(rthdr + off, &ext.timestamp.device_timestamp, 8); + off += 8; + } + + if (ieee80211_has_morefrags(dot11->frame_control)) + flags |= IEEE80211_RADIOTAP_F_FRAG; + + if (ieee80211_has_protected(dot11->frame_control)) + flags |= IEEE80211_RADIOTAP_F_WEP; + + rthdr[off++] = flags; + off = ALIGN(off, 2); + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_CHANNEL)); + chan = (le32_to_cpu(rxpd->rx_info) >> 5) & 0xff; + band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; + freq = ieee80211_channel_to_frequency(chan, band); + + if (has_ext) + chan_flags = ext.channel_flags; + else if (band == NL80211_BAND_2GHZ) + chan_flags = IEEE80211_CHAN_2GHZ; + else + chan_flags = IEEE80211_CHAN_5GHZ; + + freq_le = cpu_to_le16(freq); + flags_le = cpu_to_le16(chan_flags); + memcpy(rthdr + off, &freq_le, 2); + off += 2; + memcpy(rthdr + off, &flags_le, 2); + off += 2; + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_DBM_ANTSIGNAL)); + signal = -(rxpd->nf - rxpd->snr); + rthdr[off++] = signal; + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_DBM_ANTNOISE)); + noise = -rxpd->nf; + rthdr[off++] = noise; + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_ANTENNA)); + ant = rxpd->antenna >> 1; + rthdr[off++] = ant; + + if (rx_flags) { + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_RX_FLAGS)); + off = ALIGN(off, 2); + memcpy(rthdr + off, &rx_flags, 2); + off += 2; + } + + format = FIELD_GET(RX_RATE_FORMAT_MASK, rxpd->rate_info); + bw = FIELD_GET(RX_RATE_BW_MASK, rxpd->rate_info); + ldpc = FIELD_GET(RX_RATE_LDPC_MASK, rxpd->rate_info) ? 1 : 0; + stbc = FIELD_GET(RX_RATE_STBC_MASK, rxpd->rate_info) ? 1 : 0; + + if (format == NXPWIFI_RATE_FORMAT_HE) { + gi = ((rxpd->rate_info >> 7) & 0x1) << 1 | + ((rxpd->rate_info >> 4) & 0x1); + } else { + gi = FIELD_GET(RX_RATE_GI_MASK, rxpd->rate_info); + } + + mcs = rxpd->rx_rate & 0xf; + nss = ((rxpd->rx_rate >> 4) & 0xf) + 1; + + if (format == NXPWIFI_RATE_FORMAT_HT) { + u8 mcs_flags = 0; + + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_MCS)); + rthdr[off++] = IEEE80211_RADIOTAP_MCS_HAVE_MCS | + IEEE80211_RADIOTAP_MCS_HAVE_BW | + IEEE80211_RADIOTAP_MCS_HAVE_GI; + + if (bw == 1) + mcs_flags |= IEEE80211_RADIOTAP_MCS_BW_40; + + if (gi) + mcs_flags |= IEEE80211_RADIOTAP_MCS_SGI; + + if (ldpc) + mcs_flags |= IEEE80211_RADIOTAP_MCS_FEC_LDPC; + + if (stbc) + mcs_flags |= (1 << IEEE80211_RADIOTAP_MCS_STBC_SHIFT); + + rthdr[off++] = mcs_flags; + rthdr[off++] = mcs; + } + + if (format == NXPWIFI_RATE_FORMAT_VHT && has_ext) { + struct ieee80211_radiotap_vht vht = {0}; + u32 vht_sig1 = 0, vht_sig2 = 0; + __le16 partial_aid = 0; + u8 bw_field = 0; + + vht_sig1 = ext.vht_he_sig1; + vht_sig2 = ext.vht_he_sig2; + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_VHT)); + vht.known = cpu_to_le16(IEEE80211_RADIOTAP_VHT_KNOWN_GI | + IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH | + IEEE80211_RADIOTAP_VHT_KNOWN_STBC | + IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED | + IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID); + + if (stbc) + vht.flags |= IEEE80211_RADIOTAP_VHT_FLAG_STBC; + + if (gi) + vht.flags |= IEEE80211_RADIOTAP_VHT_FLAG_SGI; + + if (vht_sig2 & BIT(1)) + vht.flags |= IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9; + + if (vht_sig2 & BIT(8)) + vht.flags |= IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED; + + switch (bw) { + case 1: + bw_field = 1; /* 40 MHz */ + break; + case 2: + bw_field = 4; /* 80 MHz */ + break; + case 3: + bw_field = 11; /* 160 MHz */ + break; + default: + bw_field = 0; /* 20 MHz */ + } + + vht.bandwidth = bw_field; + vht.mcs_nss[0] = (nss & 0xf) | (mcs << 4); + + if (vht_sig2 & BIT(2)) + vht.coding |= IEEE80211_RADIOTAP_CODING_LDPC_USER0; + + vht.group_id = (vht_sig1 >> 4) & 0x3f; + memcpy(&vht.partial_aid, &partial_aid, 2); + off = ALIGN(off, 2); + memcpy(rthdr + off, &vht, sizeof(vht)); + off += sizeof(vht); + } + + /* TIMESTAMP */ + if (has_ts && !use_tsft) { + u64 ts; + __le64 ts_le; + u16 accuracy = 0; + __le16 acc_le; + u8 flags = 0; + + if (ext.timestamp.position <= 15) { + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_TIMESTAMP)); + off = ALIGN(off, 8); + + if (ext.timestamp.flags & 0x01) { + flags |= IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT; + ts = (u32)ext.timestamp.device_timestamp; + } else { + flags |= IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT; + ts = ext.timestamp.device_timestamp; + } + + ts_le = cpu_to_le64(ts); + memcpy(rthdr + off, &ts_le, sizeof(ts_le)); + off += sizeof(ts_le); + + if (ext.timestamp.flags & 0x02) { + accuracy = ext.timestamp.accuracy; + flags |= IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY; + } + + acc_le = cpu_to_le16(accuracy); + memcpy(rthdr + off, &acc_le, sizeof(acc_le)); + off += sizeof(acc_le); + rthdr[off++] = (ext.timestamp.unit & 0x0f) | + ((ext.timestamp.position & 0x0f) << 4); + rthdr[off++] = flags; + } + } + + if (format == NXPWIFI_RATE_FORMAT_HE && has_ext) { + struct ieee80211_radiotap_he he = {0}; + u16 data1 = 0, data2 = 0, data3 = 0, data5 = 0, data6 = 0; + u8 bw_val = 0; + + memcpy((void *)&ext, (void *)(rxpd + 1), sizeof(ext)); + + off = ALIGN(off, 2); + hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_HE)); + data1 |= IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN; + data1 |= IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN; + data1 |= IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN; + data1 |= IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN; + data2 |= IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN; + data3 = mcs << 8; + data3 |= FIELD_PREP(IEEE80211_RADIOTAP_HE_DATA3_DATA_MCS, mcs); + + if (stbc) + data3 |= IEEE80211_RADIOTAP_HE_DATA3_STBC; + + switch (bw) { + case 0: + bw_val |= IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ; + break; + case 1: + bw_val |= IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ; + break; + case 2: + bw_val |= IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ; + break; + case 3: + bw_val |= IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ; + break; + } + + data5 |= FIELD_PREP(IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC, + bw_val); + + switch (gi) { + case 0: + data5 |= IEEE80211_RADIOTAP_HE_DATA5_GI_0_8; + break; + case 1: + data5 |= IEEE80211_RADIOTAP_HE_DATA5_GI_1_6; + break; + case 2: + data5 |= IEEE80211_RADIOTAP_HE_DATA5_GI_3_2; + break; + } + + data6 |= FIELD_PREP(IEEE80211_RADIOTAP_HE_DATA6_NSTS, nss); + he.data1 = cpu_to_le16(data1); + he.data2 = cpu_to_le16(data2); + he.data3 = cpu_to_le16(data3); + he.data5 = cpu_to_le16(data5); + he.data6 = cpu_to_le16(data6); + memcpy(rthdr + off, &he, sizeof(he)); + off += sizeof(he); + } + + hdr->it_len = cpu_to_le16(off); + + if (off > sizeof(rthdr)) + return -EINVAL; + + /* Remove RXPD */ + skb_pull(skb, rx_pkt_offset); + + /* Ensure enough headroom */ + if (skb_cow_head(skb, off)) + return -ENOMEM; + + /* Push radiotap header */ + skb_push(skb, off); + memcpy(skb->data, rthdr, off); + skb_reset_mac_header(skb); + skb->ip_summed = CHECKSUM_NONE; + skb->pkt_type = PACKET_OTHERHOST; + skb->dev = priv->netdev; + skb->protocol = htons(ETH_P_802_2); + netif_rx(skb); + return 0; +} + +/* Process received packet and pass to net stack; reuse or build skb as needed. */ +int nxpwifi_recv_packet(struct nxpwifi_private *priv, struct sk_buff *skb) +{ + struct nxpwifi_sta_node *src_node; + struct ethhdr *p_ethhdr; + + if (!skb) + return -ENOMEM; + + priv->stats.rx_bytes += skb->len; + priv->stats.rx_packets++; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + p_ethhdr = (void *)skb->data; + rcu_read_lock(); + src_node = nxpwifi_get_sta_entry(priv, p_ethhdr->h_source); + if (src_node) { + src_node->stats.last_rx = jiffies; + src_node->stats.rx_bytes += skb->len; + src_node->stats.rx_packets++; + } + rcu_read_unlock(); + } + + skb->dev = priv->netdev; + skb->protocol = eth_type_trans(skb, priv->netdev); + skb->ip_summed = CHECKSUM_NONE; + + netif_rx(skb); + return 0; +} + +/* IOCTL completion callback: wake waiters or process response as needed. */ +int nxpwifi_complete_cmd(struct nxpwifi_adapter *adapter, + struct cmd_ctrl_node *cmd_node) +{ + WARN_ON(!cmd_node->wait_q_enabled); + nxpwifi_dbg(adapter, CMD, "cmd completed: status=%d\n", + adapter->cmd_wait_q.status); + + *cmd_node->condition = true; + wake_up_interruptible(&adapter->cmd_wait_q.wait); + + return 0; +} + +/* Find STA entry by MAC under rcu_read_lock(); return NULL if not found. */ +struct nxpwifi_sta_node * +nxpwifi_get_sta_entry(struct nxpwifi_private *priv, const u8 *mac) +{ + struct nxpwifi_sta_node *node; + struct nxpwifi_sta_node *found = NULL; + + if (!mac) + return NULL; + list_for_each_entry_rcu(node, &priv->sta_list, list) { + if (!memcmp(node->mac_addr, mac, ETH_ALEN)) { + found = node; + break; + } + } + + return found; +} + +struct nxpwifi_sta_node * +nxpwifi_get_sta_entry_rcu(struct nxpwifi_private *priv, const u8 *mac) +{ + struct nxpwifi_sta_node *node; + + rcu_read_lock(); + node = nxpwifi_get_sta_entry(priv, mac); + rcu_read_unlock(); + + return node; +} + +/* Add STA entry by MAC; return existing entry or NULL on invalid MAC. */ +struct nxpwifi_sta_node * +nxpwifi_add_sta_entry(struct nxpwifi_private *priv, const u8 *mac) +{ + struct nxpwifi_sta_node *node; + + if (!mac) + return NULL; + + spin_lock_bh(&priv->sta_list_spinlock); + node = nxpwifi_get_sta_entry_rcu(priv, mac); + + if (node) + goto done; + + node = kzalloc_obj(*node, GFP_ATOMIC); + if (!node) + goto done; + + memcpy(node->mac_addr, mac, ETH_ALEN); + list_add_tail_rcu(&node->list, &priv->sta_list); + +done: + spin_unlock_bh(&priv->sta_list_spinlock); + return node; +} + +/* Parse HT cap IE from association IEs and set STA HT parameters. */ +void +nxpwifi_set_sta_ht_cap(struct nxpwifi_private *priv, const u8 *ies, + int ies_len, struct nxpwifi_sta_node *node) +{ + struct element *ht_cap_ie; + const struct ieee80211_ht_cap *ht_cap; + + if (!ies) + return; + + ht_cap_ie = (void *)cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, + ies_len); + if (ht_cap_ie) { + ht_cap = (void *)(ht_cap_ie + 1); + node->is_11n_enabled = 1; + node->max_amsdu = le16_to_cpu(ht_cap->cap_info) & + IEEE80211_HT_CAP_MAX_AMSDU ? + NXPWIFI_TX_DATA_BUF_SIZE_8K : + NXPWIFI_TX_DATA_BUF_SIZE_4K; + } else { + node->is_11n_enabled = 0; + } +} + +/* Delete a station from list; called under cfg80211 mutex. */ + +void nxpwifi_del_sta_entry(struct nxpwifi_private *priv, const u8 *mac) +{ + struct nxpwifi_sta_node *node; + + list_for_each_entry_rcu(node, &priv->sta_list, list) { + if (!memcmp(node->mac_addr, mac, ETH_ALEN)) { + list_del_rcu(&node->list); + kfree_rcu(node, rcu); + break; + } + } +} + +/* Delete all stations from list. */ +void nxpwifi_del_all_sta_list(struct nxpwifi_private *priv) +{ + struct nxpwifi_sta_node *node, *tmp; + + spin_lock_bh(&priv->sta_list_spinlock); + + list_for_each_entry_safe(node, tmp, &priv->sta_list, list) { + list_del_rcu(&node->list); + kfree_rcu(node, rcu); + } + + INIT_LIST_HEAD(&priv->sta_list); + spin_unlock_bh(&priv->sta_list_spinlock); +} + +/* Add one histogram sample. */ +void nxpwifi_hist_data_add(struct nxpwifi_private *priv, + u8 rx_rate, s8 snr, s8 nflr) +{ + struct nxpwifi_histogram_data *phist_data = priv->hist_data; + + if (atomic_read(&phist_data->num_samples) > NXPWIFI_HIST_MAX_SAMPLES) + nxpwifi_hist_data_reset(priv); + nxpwifi_hist_data_set(priv, rx_rate, snr, nflr); +} + +/* function to add histogram record */ +void nxpwifi_hist_data_set(struct nxpwifi_private *priv, u8 rx_rate, s8 snr, + s8 nflr) +{ + struct nxpwifi_histogram_data *phist_data = priv->hist_data; + s8 nf = -nflr; + s8 rssi = snr - nflr; + + atomic_inc(&phist_data->num_samples); + atomic_inc(&phist_data->rx_rate[rx_rate]); + atomic_inc(&phist_data->snr[snr + 128]); + atomic_inc(&phist_data->noise_flr[nf + 128]); + atomic_inc(&phist_data->sig_str[rssi + 128]); +} + +/* function to reset histogram data during init/reset */ +void nxpwifi_hist_data_reset(struct nxpwifi_private *priv) +{ + int ix; + struct nxpwifi_histogram_data *phist_data = priv->hist_data; + + atomic_set(&phist_data->num_samples, 0); + for (ix = 0; ix < NXPWIFI_MAX_AC_RX_RATES; ix++) + atomic_set(&phist_data->rx_rate[ix], 0); + for (ix = 0; ix < NXPWIFI_MAX_SNR; ix++) + atomic_set(&phist_data->snr[ix], 0); + for (ix = 0; ix < NXPWIFI_MAX_NOISE_FLR; ix++) + atomic_set(&phist_data->noise_flr[ix], 0); + for (ix = 0; ix < NXPWIFI_MAX_SIG_STRENGTH; ix++) + atomic_set(&phist_data->sig_str[ix], 0); +} + +void *nxpwifi_alloc_dma_align_buf(int rx_len, gfp_t flags) +{ + struct sk_buff *skb; + int buf_len, pad; + + buf_len = rx_len + NXPWIFI_RX_HEADROOM + NXPWIFI_DMA_ALIGN_SZ; + + skb = __dev_alloc_skb(buf_len, flags); + + if (!skb) + return NULL; + + skb_reserve(skb, NXPWIFI_RX_HEADROOM); + + pad = NXPWIFI_ALIGN_ADDR(skb->data, NXPWIFI_DMA_ALIGN_SZ) - + (long)skb->data; + + skb_reserve(skb, pad); + + return skb; +} +EXPORT_SYMBOL_GPL(nxpwifi_alloc_dma_align_buf); + +void nxpwifi_fw_dump_event(struct nxpwifi_private *priv) +{ + nxpwifi_send_cmd(priv, HOST_CMD_FW_DUMP_EVENT, HOST_ACT_GEN_SET, + 0, NULL, true); +} +EXPORT_SYMBOL_GPL(nxpwifi_fw_dump_event); + +int nxpwifi_append_data_tlv(u16 id, u8 *data, int len, u8 *pos, u8 *cmd_end) +{ + struct nxpwifi_ie_types_data *tlv; + u16 header_len = sizeof(struct nxpwifi_ie_types_header); + + tlv = (struct nxpwifi_ie_types_data *)pos; + tlv->header.len = cpu_to_le16(len); + + if (id == WLAN_EID_EXT_HE_CAPABILITY) { + if ((pos + header_len + len + 1) > cmd_end) + return 0; + + tlv->header.type = cpu_to_le16(WLAN_EID_EXTENSION); + tlv->data[0] = WLAN_EID_EXT_HE_CAPABILITY; + memcpy(tlv->data + 1, data, len); + } else { + if ((pos + header_len + len) > cmd_end) + return 0; + + tlv->header.type = cpu_to_le16(id); + memcpy(tlv->data, data, len); + } + + return (header_len + len); +} + +static int nxpwifi_get_vdll_image(struct nxpwifi_adapter *adapter, u32 vdll_len) +{ + struct vdll_dnld_ctrl *ctrl = &adapter->vdll_ctrl; + bool req_fw = false; + u32 offset; + + if (ctrl->vdll_mem) { + nxpwifi_dbg(adapter, EVENT, + "VDLL mem is not empty: %p old_len=%d new_len=%d\n", + ctrl->vdll_mem, ctrl->vdll_len, vdll_len); + vfree(ctrl->vdll_mem); + ctrl->vdll_mem = NULL; + ctrl->vdll_len = 0; + } + + ctrl->vdll_mem = vmalloc(vdll_len); + if (!ctrl->vdll_mem) + return -ENOMEM; + + if (!adapter->firmware) { + req_fw = true; + if (request_firmware(&adapter->firmware, adapter->fw_name, + adapter->dev)) + return -ENOENT; + } + + if (adapter->firmware) { + if (vdll_len < adapter->firmware->size) { + offset = adapter->firmware->size - vdll_len; + memcpy(ctrl->vdll_mem, adapter->firmware->data + offset, + vdll_len); + } else { + nxpwifi_dbg(adapter, ERROR, + "Invalid VDLL length = %d, fw_len=%d\n", + vdll_len, (int)adapter->firmware->size); + return -EINVAL; + } + if (req_fw) { + release_firmware(adapter->firmware); + adapter->firmware = NULL; + } + } + + ctrl->vdll_len = vdll_len; + nxpwifi_dbg(adapter, MSG, "VDLL image: len=%d\n", ctrl->vdll_len); + + return 0; +} + +int nxpwifi_download_vdll_block(struct nxpwifi_adapter *adapter, + u8 *block, u16 block_len) +{ + struct vdll_dnld_ctrl *ctrl = &adapter->vdll_ctrl; + struct host_cmd_ds_command *host_cmd; + u16 msg_len = block_len + S_DS_GEN; + int ret = 0; + + skb_trim(ctrl->skb, 0); + skb_put_zero(ctrl->skb, msg_len); + + host_cmd = (struct host_cmd_ds_command *)(ctrl->skb->data); + + host_cmd->command = cpu_to_le16(HOST_CMD_VDLL); + host_cmd->seq_num = cpu_to_le16(0xFF00); + host_cmd->size = cpu_to_le16(msg_len); + memcpy(ctrl->skb->data + S_DS_GEN, block, block_len); + + skb_push(ctrl->skb, adapter->intf_hdr_len); + ret = adapter->if_ops.host_to_card(adapter, NXPWIFI_TYPE_VDLL, + ctrl->skb, NULL); + skb_pull(ctrl->skb, adapter->intf_hdr_len); + + if (ret) + nxpwifi_dbg(adapter, ERROR, + "Fail to download VDLL: block: %p, len: %d\n", + block, block_len); + + return ret; +} + +int nxpwifi_process_vdll_event(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct vdll_ind_event *vdll_evt = + (struct vdll_ind_event *)(skb->data + sizeof(u32)); + u16 type = le16_to_cpu(vdll_evt->type); + u16 vdll_id = le16_to_cpu(vdll_evt->vdll_id); + u32 offset = le32_to_cpu(vdll_evt->offset); + u16 block_len = le16_to_cpu(vdll_evt->block_len); + struct vdll_dnld_ctrl *ctrl = &adapter->vdll_ctrl; + int ret = 0; + + switch (type) { + case VDLL_IND_TYPE_REQ: + nxpwifi_dbg(adapter, EVENT, + "VDLL IND (REG): ID: %d, offset: %#x, len: %d\n", + vdll_id, offset, block_len); + if (offset <= ctrl->vdll_len) { + block_len = + min((u32)block_len, ctrl->vdll_len - offset); + if (!adapter->cmd_sent) { + ret = nxpwifi_download_vdll_block(adapter, + ctrl->vdll_mem + + offset, + block_len); + if (ret) + nxpwifi_dbg(adapter, ERROR, + "Download VDLL failed\n"); + } else { + nxpwifi_dbg(adapter, EVENT, + "Delay download VDLL block\n"); + ctrl->pending_block_len = block_len; + ctrl->pending_block = ctrl->vdll_mem + offset; + } + } else { + nxpwifi_dbg(adapter, ERROR, + "Err Req: offset=%#x, len=%d, vdll_len=%d\n", + offset, block_len, ctrl->vdll_len); + ret = -EINVAL; + } + break; + case VDLL_IND_TYPE_OFFSET: + nxpwifi_dbg(adapter, EVENT, + "VDLL IND (OFFSET): offset: %#x\n", offset); + ret = nxpwifi_get_vdll_image(adapter, offset); + break; + case VDLL_IND_TYPE_ERR_SIG: + case VDLL_IND_TYPE_ERR_ID: + case VDLL_IND_TYPE_SEC_ERR_ID: + nxpwifi_dbg(adapter, ERROR, "VDLL IND: error: %d\n", type); + break; + case VDLL_IND_TYPE_INTF_RESET: + nxpwifi_dbg(adapter, EVENT, "VDLL IND: interface reset\n"); + break; + default: + nxpwifi_dbg(adapter, ERROR, "VDLL IND: unknown type: %d", type); + ret = -EINVAL; + break; + } + + return ret; +} + +u64 nxpwifi_roc_cookie(struct nxpwifi_adapter *adapter) +{ + adapter->roc_cookie_counter++; + + /* wow, you wrapped 64 bits ... more likely a bug */ + if (WARN_ON(adapter->roc_cookie_counter == 0)) + adapter->roc_cookie_counter++; + + return adapter->roc_cookie_counter; +} + +static bool nxpwifi_can_queue_work(struct nxpwifi_adapter *adapter) +{ + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags) || + test_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags) || + test_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags)) { + nxpwifi_dbg(adapter, WARN, + "queueing nxpwifi work while going to suspend\n"); + return false; + } + + return true; +} + +void nxpwifi_queue_work(struct nxpwifi_adapter *adapter, + struct work_struct *work) +{ + if (!nxpwifi_can_queue_work(adapter)) + return; + + queue_work(adapter->workqueue, work); +} +EXPORT_SYMBOL(nxpwifi_queue_work); + +void nxpwifi_queue_delayed_work(struct nxpwifi_adapter *adapter, + struct delayed_work *dwork, + unsigned long delay) +{ + if (!nxpwifi_can_queue_work(adapter)) + return; + + queue_delayed_work(adapter->workqueue, dwork, delay); +} +EXPORT_SYMBOL(nxpwifi_queue_delayed_work); + +void nxpwifi_queue_wiphy_work(struct nxpwifi_adapter *adapter, + struct wiphy_work *work) +{ + if (!nxpwifi_can_queue_work(adapter)) + return; + + wiphy_work_queue(adapter->wiphy, work); +} + +void nxpwifi_queue_delayed_wiphy_work(struct nxpwifi_adapter *adapter, + struct wiphy_delayed_work *dwork, + unsigned long delay) +{ + if (!nxpwifi_can_queue_work(adapter)) + return; + + wiphy_delayed_work_queue(adapter->wiphy, dwork, delay); +} diff --git a/drivers/net/wireless/nxp/nxpwifi/util.h b/drivers/net/wireless/nxp/nxpwifi/util.h new file mode 100644 index 000000000000..1a47c8c5b530 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/util.h @@ -0,0 +1,155 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * NXP Wireless LAN device driver: utility functions + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_UTIL_H_ +#define _NXPWIFI_UTIL_H_ +#include "fw.h" + +struct nxpwifi_adapter; + +struct nxpwifi_private; + +struct nxpwifi_dma_mapping { + dma_addr_t addr; + size_t len; +}; + +struct nxpwifi_cb { + struct nxpwifi_dma_mapping dma_mapping; + union { + struct nxpwifi_rxinfo rx_info; + struct nxpwifi_txinfo tx_info; + }; +}; + +/* size/addr for nxpwifi_debug_info */ +#define item_size(n) (sizeof_field(struct nxpwifi_debug_info, n)) +#define item_addr(n) (offsetof(struct nxpwifi_debug_info, n)) + +/* size/addr for struct nxpwifi_adapter */ +#define adapter_item_size(n) (sizeof_field(struct nxpwifi_adapter, n)) +#define adapter_item_addr(n) (offsetof(struct nxpwifi_adapter, n)) + +struct nxpwifi_debug_data { + char name[32]; /* variable/array name */ + u32 size; /* size of the variable/array */ + size_t addr; /* address of the variable/array */ + int num; /* number of variables in an array */ +}; + +static inline struct nxpwifi_rxinfo *NXPWIFI_SKB_RXCB(struct sk_buff *skb) +{ + struct nxpwifi_cb *cb = (struct nxpwifi_cb *)skb->cb; + + BUILD_BUG_ON(sizeof(struct nxpwifi_cb) > sizeof(skb->cb)); + return &cb->rx_info; +} + +static inline struct nxpwifi_txinfo *NXPWIFI_SKB_TXCB(struct sk_buff *skb) +{ + struct nxpwifi_cb *cb = (struct nxpwifi_cb *)skb->cb; + + return &cb->tx_info; +} + +static inline void nxpwifi_store_mapping(struct sk_buff *skb, + struct nxpwifi_dma_mapping *mapping) +{ + struct nxpwifi_cb *cb = (struct nxpwifi_cb *)skb->cb; + + memcpy(&cb->dma_mapping, mapping, sizeof(*mapping)); +} + +static inline void nxpwifi_get_mapping(struct sk_buff *skb, + struct nxpwifi_dma_mapping *mapping) +{ + struct nxpwifi_cb *cb = (struct nxpwifi_cb *)skb->cb; + + memcpy(mapping, &cb->dma_mapping, sizeof(*mapping)); +} + +static inline dma_addr_t NXPWIFI_SKB_DMA_ADDR(struct sk_buff *skb) +{ + struct nxpwifi_dma_mapping mapping; + + nxpwifi_get_mapping(skb, &mapping); + + return mapping.addr; +} + +int nxpwifi_debug_info_to_buffer(struct nxpwifi_private *priv, char *buf, + struct nxpwifi_debug_info *info); + +static inline void le16_unaligned_add_cpu(__le16 *var, u16 val) +{ + put_unaligned_le16(get_unaligned_le16(var) + val, var); +} + +/* + * Iterate over TLVs safely. + * Ensures no out-of-bound access even if firmware sends malformed data. + */ +#define nxpwifi_for_each_tlv(tlv, buf, buf_len) \ + for (tlv = (const struct nxpwifi_tlv *)(buf); \ + (u8 *)(tlv) + sizeof(*tlv) <= (u8 *)(buf) + (buf_len) && \ + (u8 *)(tlv) + sizeof(*tlv) + le16_to_cpu(tlv->len) <= \ + (u8 *)(buf) + (buf_len); \ + tlv = (const struct nxpwifi_tlv *)((u8 *)(tlv) + sizeof(*tlv) + \ + le16_to_cpu(tlv->len))) + +/* Return first TLV matching @type in given buffer. */ +static inline const struct nxpwifi_tlv * +nxpwifi_find_tlv(u16 type, const u8 *buf, u32 buf_len) +{ + const struct nxpwifi_tlv *tlv; + + nxpwifi_for_each_tlv(tlv, buf, buf_len) { + if (le16_to_cpu(tlv->type) == type) + return tlv; + } + + return NULL; +} + +int nxpwifi_append_data_tlv(u16 id, u8 *data, int len, u8 *pos, u8 *cmd_end); + +int nxpwifi_download_vdll_block(struct nxpwifi_adapter *adapter, + u8 *block, u16 block_len); + +int nxpwifi_process_vdll_event(struct nxpwifi_private *priv, + struct sk_buff *skb); + +u64 nxpwifi_roc_cookie(struct nxpwifi_adapter *adapter); + +void nxpwifi_queue_work(struct nxpwifi_adapter *adapter, + struct work_struct *work); + +void nxpwifi_queue_delayed_work(struct nxpwifi_adapter *adapter, + struct delayed_work *dwork, + unsigned long delay); + +void nxpwifi_queue_wiphy_work(struct nxpwifi_adapter *adapter, + struct wiphy_work *work); + +void nxpwifi_queue_delayed_wiphy_work(struct nxpwifi_adapter *adapter, + struct wiphy_delayed_work *dwork, + unsigned long delay); + +/* + * Firmware cannot run AP and STA on different channels simultaneously, + * and doing so may trigger a crash. Check whether check_chan can be set + * safely; return true if allowed, false if another channel is already + * active in firmware. + */ +bool nxpwifi_is_channel_setting_allowable(struct nxpwifi_private *priv, + struct ieee80211_channel *check_chan); + +void nxpwifi_convert_chan_to_band_cfg(struct nxpwifi_private *priv, + u8 *band_cfg, + struct cfg80211_chan_def *chan_def); + +#endif /* !_NXPWIFI_UTIL_H_ */ diff --git a/drivers/net/wireless/nxp/nxpwifi/wmm.c b/drivers/net/wireless/nxp/nxpwifi/wmm.c new file mode 100644 index 000000000000..bb4bb724b6fb --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/wmm.c @@ -0,0 +1,1318 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: WMM + * + * Copyright 2011-2024 NXP + */ + +#include "cfg.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "wmm.h" +#include "11n.h" + +/* Maximum value FW can accept for driver delay in packet transmission */ +#define DRV_PKT_DELAY_TO_FW_MAX 512 + +#define WMM_QUEUED_PACKET_LOWER_LIMIT 180 + +#define WMM_QUEUED_PACKET_UPPER_LIMIT 200 + +/* Offset for TOS field in the IP header */ +#define IPTOS_OFFSET 5 + +static bool disable_tx_amsdu; + +/* + * This table inverses the tos_to_tid operation to get a priority + * which is in sequential order, and can be compared. + * Use this to compare the priority of two different TIDs. + */ +static const u8 tos_to_tid_inv[] = { + 0x02, /* from tos_to_tid[2] = 0 */ + 0x00, /* from tos_to_tid[0] = 1 */ + 0x01, /* from tos_to_tid[1] = 2 */ + 0x03, + 0x04, + 0x05, + 0x06, + 0x07 +}; + +/* WMM information element */ +static const u8 wmm_info_ie[] = { WLAN_EID_VENDOR_SPECIFIC, 0x07, + 0x00, 0x50, 0xf2, 0x02, + 0x00, 0x01, 0x00 +}; + +static const u8 wmm_aci_to_qidx_map[] = { WMM_AC_BE, + WMM_AC_BK, + WMM_AC_VI, + WMM_AC_VO +}; + +static u8 tos_to_tid[] = { + /* TID DSCP_P2 DSCP_P1 DSCP_P0 WMM_AC */ + 0x01, /* 0 1 0 AC_BK */ + 0x02, /* 0 0 0 AC_BK */ + 0x00, /* 0 0 1 AC_BE */ + 0x03, /* 0 1 1 AC_BE */ + 0x04, /* 1 0 0 AC_VI */ + 0x05, /* 1 0 1 AC_VI */ + 0x06, /* 1 1 0 AC_VO */ + 0x07 /* 1 1 1 AC_VO */ +}; + +static u8 ac_to_tid[4][2] = { {1, 2}, {0, 3}, {4, 5}, {6, 7} }; + +/* Debug prints the priority parameters for a WMM AC. */ +static void +nxpwifi_wmm_ac_debug_print(const struct ieee80211_wmm_ac_param *ac_param) +{ + static const char * const ac_str[] = { "BK", "BE", "VI", "VO" }; + + pr_debug("info: WMM AC_%s: ACI=%d, ACM=%d, Aifsn=%d, ", + ac_str[wmm_aci_to_qidx_map[(ac_param->aci_aifsn + & NXPWIFI_ACI) >> 5]], + (ac_param->aci_aifsn & NXPWIFI_ACI) >> 5, + (ac_param->aci_aifsn & NXPWIFI_ACM) >> 4, + ac_param->aci_aifsn & NXPWIFI_AIFSN); + pr_debug("EcwMin=%d, EcwMax=%d, TxopLimit=%d\n", + ac_param->cw & NXPWIFI_ECW_MIN, + (ac_param->cw & NXPWIFI_ECW_MAX) >> 4, + le16_to_cpu(ac_param->txop_limit)); +} + +/* Allocates a route address list. */ +static struct nxpwifi_ra_list_tbl * +nxpwifi_wmm_allocate_ralist_node(struct nxpwifi_adapter *adapter, const u8 *ra) +{ + struct nxpwifi_ra_list_tbl *ra_list; + + ra_list = kzalloc_obj(*ra_list, GFP_ATOMIC); + if (!ra_list) + return NULL; + + INIT_LIST_HEAD(&ra_list->list); + skb_queue_head_init(&ra_list->skb_head); + + memcpy(ra_list->ra, ra, ETH_ALEN); + + ra_list->total_pkt_count = 0; + + nxpwifi_dbg(adapter, INFO, "info: allocated ra_list %p\n", ra_list); + + return ra_list; +} + +/* + * Returns random no between 16 and 32 to be used as threshold for no of + * packets after which BA setup is initiated. + */ +static u8 nxpwifi_get_random_ba_threshold(void) +{ + u64 ns; + /* + * setup ba_packet_threshold here random number between + * [BA_SETUP_PACKET_OFFSET, + * BA_SETUP_PACKET_OFFSET+BA_SETUP_MAX_PACKET_THRESHOLD-1] + */ + ns = ktime_get_ns(); + ns += (ns >> 32) + (ns >> 16); + + return ((u8)ns % BA_SETUP_MAX_PACKET_THRESHOLD) + BA_SETUP_PACKET_OFFSET; +} + +/* Allocates and adds a RA list for all TIDs with the given RA. */ +void nxpwifi_ralist_add(struct nxpwifi_private *priv, const u8 *ra) +{ + int i; + struct nxpwifi_ra_list_tbl *ra_list; + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_sta_node *node; + + for (i = 0; i < MAX_NUM_TID; ++i) { + ra_list = nxpwifi_wmm_allocate_ralist_node(adapter, ra); + nxpwifi_dbg(adapter, INFO, + "info: created ra_list %p\n", ra_list); + + if (!ra_list) + break; + + ra_list->is_11n_enabled = 0; + ra_list->ba_status = BA_SETUP_NONE; + ra_list->amsdu_in_ampdu = false; + if (!nxpwifi_queuing_ra_based(priv)) { + ra_list->is_11n_enabled = IS_11N_ENABLED(priv); + } else { + rcu_read_lock(); + node = nxpwifi_get_sta_entry(priv, ra); + if (node) + ra_list->tx_paused = node->tx_pause; + ra_list->is_11n_enabled = + nxpwifi_is_sta_11n_enabled(priv, node); + if (ra_list->is_11n_enabled) + ra_list->max_amsdu = node->max_amsdu; + rcu_read_unlock(); + } + + nxpwifi_dbg(adapter, DATA, "data: ralist %p: is_11n_enabled=%d\n", + ra_list, ra_list->is_11n_enabled); + + if (ra_list->is_11n_enabled) { + ra_list->ba_pkt_count = 0; + ra_list->ba_packet_thr = + nxpwifi_get_random_ba_threshold(); + } + list_add_tail(&ra_list->list, + &priv->wmm.tid_tbl_ptr[i].ra_list); + } +} + +/* Sets the WMM queue priorities to their default values. */ +static void nxpwifi_wmm_default_queue_priorities(struct nxpwifi_private *priv) +{ + /* Default queue priorities: VO->VI->BE->BK */ + priv->wmm.queue_priority[0] = WMM_AC_VO; + priv->wmm.queue_priority[1] = WMM_AC_VI; + priv->wmm.queue_priority[2] = WMM_AC_BE; + priv->wmm.queue_priority[3] = WMM_AC_BK; +} + +/* Map ACs to TIDs. */ +static void +nxpwifi_wmm_queue_priorities_tid(struct nxpwifi_private *priv) +{ + struct nxpwifi_wmm_desc *wmm = &priv->wmm; + u8 *queue_priority = wmm->queue_priority; + int i; + + for (i = 0; i < 4; ++i) { + tos_to_tid[7 - (i * 2)] = ac_to_tid[queue_priority[i]][1]; + tos_to_tid[6 - (i * 2)] = ac_to_tid[queue_priority[i]][0]; + } + + for (i = 0; i < MAX_NUM_TID; ++i) + priv->tos_to_tid_inv[tos_to_tid[i]] = (u8)i; + + atomic_set(&wmm->highest_queued_prio, HIGH_PRIO_TID); +} + +/* Initializes WMM priority queues. */ +void +nxpwifi_wmm_setup_queue_priorities(struct nxpwifi_private *priv, + struct ieee80211_wmm_param_ie *wmm_ie) +{ + u16 cw_min, avg_back_off, tmp[4]; + u32 i, j, num_ac; + u8 ac_idx; + + if (!wmm_ie || !priv->wmm_enabled) { + /* WMM is not enabled, just set the defaults and return */ + nxpwifi_wmm_default_queue_priorities(priv); + return; + } + + nxpwifi_dbg(priv->adapter, INFO, + "info: WMM Parameter element: version=%d,\t" + "qos_info Parameter Set Count=%d, Reserved=%#x\n", + wmm_ie->version, wmm_ie->qos_info & + IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK, + wmm_ie->reserved); + + for (num_ac = 0; num_ac < ARRAY_SIZE(wmm_ie->ac); num_ac++) { + u8 ecw = wmm_ie->ac[num_ac].cw; + u8 aci_aifsn = wmm_ie->ac[num_ac].aci_aifsn; + + cw_min = (1 << (ecw & NXPWIFI_ECW_MIN)) - 1; + avg_back_off = (cw_min >> 1) + (aci_aifsn & NXPWIFI_AIFSN); + + ac_idx = wmm_aci_to_qidx_map[(aci_aifsn & NXPWIFI_ACI) >> 5]; + priv->wmm.queue_priority[ac_idx] = ac_idx; + tmp[ac_idx] = avg_back_off; + + nxpwifi_dbg(priv->adapter, INFO, + "info: WMM: CWmax=%d CWmin=%d Avg Back-off=%d\n", + (1 << ((ecw & NXPWIFI_ECW_MAX) >> 4)) - 1, + cw_min, avg_back_off); + nxpwifi_wmm_ac_debug_print(&wmm_ie->ac[num_ac]); + } + + /* Bubble sort */ + for (i = 0; i < num_ac; i++) { + for (j = 1; j < num_ac - i; j++) { + if (tmp[j - 1] > tmp[j]) { + swap(tmp[j - 1], tmp[j]); + swap(priv->wmm.queue_priority[j - 1], + priv->wmm.queue_priority[j]); + } else if (tmp[j - 1] == tmp[j]) { + if (priv->wmm.queue_priority[j - 1] + < priv->wmm.queue_priority[j]) + swap(priv->wmm.queue_priority[j - 1], + priv->wmm.queue_priority[j]); + } + } + } + + nxpwifi_wmm_queue_priorities_tid(priv); +} + +/* Evaluates whether or not an AC is to be downgraded. */ +static enum nxpwifi_wmm_ac_e +nxpwifi_wmm_eval_downgrade_ac(struct nxpwifi_private *priv, + enum nxpwifi_wmm_ac_e eval_ac) +{ + int down_ac; + enum nxpwifi_wmm_ac_e ret_ac; + struct nxpwifi_wmm_ac_status *ac_status; + + ac_status = &priv->wmm.ac_status[eval_ac]; + + if (!ac_status->disabled) + /* Okay to use this AC, its enabled */ + return eval_ac; + + /* Setup a default return value of the lowest priority */ + ret_ac = WMM_AC_BK; + + /* + * Find the highest AC that is enabled and does not require + * admission control. The spec disallows downgrading to an AC, + * which is enabled due to a completed admission control. + * Unadmitted traffic is not to be sent on an AC with admitted + * traffic. + */ + for (down_ac = WMM_AC_BK; down_ac < eval_ac; down_ac++) { + ac_status = &priv->wmm.ac_status[down_ac]; + + if (!ac_status->disabled && !ac_status->flow_required) + /* + * AC is enabled and does not require admission + * control + */ + ret_ac = (enum nxpwifi_wmm_ac_e)down_ac; + } + + return ret_ac; +} + +/* Downgrades WMM priority queue. */ +void +nxpwifi_wmm_setup_ac_downgrade(struct nxpwifi_private *priv) +{ + int ac_val; + + nxpwifi_dbg(priv->adapter, INFO, "info: WMM: AC Priorities:\t" + "BK(0), BE(1), VI(2), VO(3)\n"); + + if (!priv->wmm_enabled) { + /* WMM is not enabled, default priorities */ + for (ac_val = WMM_AC_BK; ac_val <= WMM_AC_VO; ac_val++) + priv->wmm.ac_down_graded_vals[ac_val] = + (enum nxpwifi_wmm_ac_e)ac_val; + } else { + for (ac_val = WMM_AC_BK; ac_val <= WMM_AC_VO; ac_val++) { + priv->wmm.ac_down_graded_vals[ac_val] = + nxpwifi_wmm_eval_downgrade_ac + (priv, (enum nxpwifi_wmm_ac_e)ac_val); + nxpwifi_dbg(priv->adapter, INFO, + "info: WMM: AC PRIO %d maps to %d\n", + ac_val, + priv->wmm.ac_down_graded_vals[ac_val]); + } + } +} + +/* Converts the IP TOS field to an WMM AC Queue assignment. */ +static enum nxpwifi_wmm_ac_e +nxpwifi_wmm_convert_tos_to_ac(struct nxpwifi_adapter *adapter, u32 tos) +{ + /* Map of TOS UP values to WMM AC */ + static const enum nxpwifi_wmm_ac_e tos_to_ac[] = { + WMM_AC_BE, + WMM_AC_BK, + WMM_AC_BK, + WMM_AC_BE, + WMM_AC_VI, + WMM_AC_VI, + WMM_AC_VO, + WMM_AC_VO + }; + + if (tos >= ARRAY_SIZE(tos_to_ac)) + return WMM_AC_BE; + + return tos_to_ac[tos]; +} + +/* + * Evaluates a given TID and downgrades it to a lower TID if the WMM Parameter + * element received from the AP indicates that the AP is disabled (due to call + * admission control (ACM bit). + */ +u8 nxpwifi_wmm_downgrade_tid(struct nxpwifi_private *priv, u32 tid) +{ + enum nxpwifi_wmm_ac_e ac, ac_down; + u8 new_tid; + + ac = nxpwifi_wmm_convert_tos_to_ac(priv->adapter, tid); + ac_down = priv->wmm.ac_down_graded_vals[ac]; + + /* + * Send the index to tid array, picking from the array will be + * taken care by dequeuing function + */ + new_tid = ac_to_tid[ac_down][tid % 2]; + + return new_tid; +} + +/* Initializes the WMM state information and the WMM data path queues. */ +void +nxpwifi_wmm_init(struct nxpwifi_adapter *adapter) +{ + int i, j; + struct nxpwifi_private *priv; + + for (j = 0; j < adapter->priv_num; ++j) { + priv = adapter->priv[j]; + + for (i = 0; i < MAX_NUM_TID; ++i) { + if (!disable_tx_amsdu && + adapter->tx_buf_size > NXPWIFI_TX_DATA_BUF_SIZE_2K) + priv->aggr_prio_tbl[i].amsdu = + priv->tos_to_tid_inv[i]; + else + priv->aggr_prio_tbl[i].amsdu = + BA_STREAM_NOT_ALLOWED; + priv->aggr_prio_tbl[i].ampdu_ap = + priv->tos_to_tid_inv[i]; + priv->aggr_prio_tbl[i].ampdu_user = + priv->tos_to_tid_inv[i]; + } + + priv->aggr_prio_tbl[6].amsdu = + priv->aggr_prio_tbl[6].ampdu_ap = + priv->aggr_prio_tbl[6].ampdu_user = + BA_STREAM_NOT_ALLOWED; + + priv->aggr_prio_tbl[7].amsdu = + priv->aggr_prio_tbl[7].ampdu_ap = + priv->aggr_prio_tbl[7].ampdu_user = + BA_STREAM_NOT_ALLOWED; + + nxpwifi_set_ba_params(priv); + nxpwifi_reset_11n_rx_seq_num(priv); + + priv->wmm.drv_pkt_delay_max = NXPWIFI_WMM_DRV_DELAY_MAX; + atomic_set(&priv->wmm.tx_pkts_queued, 0); + atomic_set(&priv->wmm.highest_queued_prio, HIGH_PRIO_TID); + } +} + +bool nxpwifi_bypass_txlist_empty(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_private *priv; + int i; + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (!skb_queue_empty(&priv->bypass_txq)) + return false; + } + + return true; +} + +/* Checks if WMM Tx queue is empty. */ +bool nxpwifi_wmm_lists_empty(struct nxpwifi_adapter *adapter) +{ + int i; + struct nxpwifi_private *priv; + + for (i = 0; i < adapter->priv_num; ++i) { + priv = adapter->priv[i]; + if (!priv->port_open) + continue; + if (atomic_read(&priv->wmm.tx_pkts_queued)) + return false; + } + + return true; +} + +/* Deletes all packets in an RA list node. */ +static void +nxpwifi_wmm_del_pkts_in_ralist_node(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ra_list) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct sk_buff *skb, *tmp; + + skb_queue_walk_safe(&ra_list->skb_head, skb, tmp) { + skb_unlink(skb, &ra_list->skb_head); + nxpwifi_write_data_complete(adapter, skb, 0, -1); + } +} + +/* Deletes all packets in an RA list. */ +static void +nxpwifi_wmm_del_pkts_in_ralist(struct nxpwifi_private *priv, + struct list_head *ra_list_head) +{ + struct nxpwifi_ra_list_tbl *ra_list; + + list_for_each_entry(ra_list, ra_list_head, list) + nxpwifi_wmm_del_pkts_in_ralist_node(priv, ra_list); +} + +/* Deletes all packets in all RA lists. */ +static void nxpwifi_wmm_cleanup_queues(struct nxpwifi_private *priv) +{ + int i; + + for (i = 0; i < MAX_NUM_TID; i++) + nxpwifi_wmm_del_pkts_in_ralist + (priv, &priv->wmm.tid_tbl_ptr[i].ra_list); + + atomic_set(&priv->wmm.tx_pkts_queued, 0); + atomic_set(&priv->wmm.highest_queued_prio, HIGH_PRIO_TID); +} + +/* Deletes all route addresses from all RA lists. */ +static void nxpwifi_wmm_delete_all_ralist(struct nxpwifi_private *priv) +{ + struct nxpwifi_ra_list_tbl *ra_list, *tmp_node; + int i; + + for (i = 0; i < MAX_NUM_TID; ++i) { + nxpwifi_dbg(priv->adapter, INFO, + "info: ra_list: freeing buf for tid %d\n", i); + list_for_each_entry_safe(ra_list, tmp_node, + &priv->wmm.tid_tbl_ptr[i].ra_list, + list) { + list_del(&ra_list->list); + kfree(ra_list); + } + + INIT_LIST_HEAD(&priv->wmm.tid_tbl_ptr[i].ra_list); + } +} + +static int nxpwifi_free_ack_frame(int id, void *p, void *data) +{ + pr_warn("Have pending ack frames!\n"); + kfree_skb(p); + return 0; +} + +/* Cleans up the Tx and Rx queues. */ +void +nxpwifi_clean_txrx(struct nxpwifi_private *priv) +{ + struct sk_buff *skb, *tmp; + unsigned long index; + void *entry; + + nxpwifi_11n_cleanup_reorder_tbl(priv); + spin_lock_bh(&priv->wmm.ra_list_spinlock); + + nxpwifi_wmm_cleanup_queues(priv); + nxpwifi_11n_delete_all_tx_ba_stream_tbl(priv); + + if (priv->adapter->if_ops.cleanup_mpa_buf) + priv->adapter->if_ops.cleanup_mpa_buf(priv->adapter); + + nxpwifi_wmm_delete_all_ralist(priv); + memcpy(tos_to_tid, ac_to_tid, sizeof(tos_to_tid)); + + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + + skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { + skb_unlink(skb, &priv->bypass_txq); + nxpwifi_write_data_complete(priv->adapter, skb, 0, -1); + } + atomic_set(&priv->adapter->bypass_tx_pending, 0); + + xa_for_each(&priv->ack_status_frames, index, entry) { + nxpwifi_free_ack_frame(index, entry, NULL); + xa_erase(&priv->ack_status_frames, index); + } + + xa_destroy(&priv->ack_status_frames); +} + +/* Retrieves a particular RA list node, matching with the given TID and RA address. */ +struct nxpwifi_ra_list_tbl * +nxpwifi_wmm_get_ralist_node(struct nxpwifi_private *priv, u8 tid, + const u8 *ra_addr) +{ + struct nxpwifi_ra_list_tbl *ra_list; + + list_for_each_entry(ra_list, &priv->wmm.tid_tbl_ptr[tid].ra_list, + list) { + if (!memcmp(ra_list->ra, ra_addr, ETH_ALEN)) + return ra_list; + } + + return NULL; +} + +void nxpwifi_update_ralist_tx_pause(struct nxpwifi_private *priv, u8 *mac, + u8 tx_pause) +{ + struct nxpwifi_ra_list_tbl *ra_list; + u32 pkt_cnt = 0, tx_pkts_queued; + int i; + + spin_lock_bh(&priv->wmm.ra_list_spinlock); + + for (i = 0; i < MAX_NUM_TID; ++i) { + ra_list = nxpwifi_wmm_get_ralist_node(priv, i, mac); + if (ra_list && ra_list->tx_paused != tx_pause) { + pkt_cnt += ra_list->total_pkt_count; + ra_list->tx_paused = tx_pause; + if (tx_pause) + priv->wmm.pkts_paused[i] += + ra_list->total_pkt_count; + else + priv->wmm.pkts_paused[i] -= + ra_list->total_pkt_count; + } + } + + if (pkt_cnt) { + tx_pkts_queued = atomic_read(&priv->wmm.tx_pkts_queued); + if (tx_pause) + tx_pkts_queued -= pkt_cnt; + else + tx_pkts_queued += pkt_cnt; + + atomic_set(&priv->wmm.tx_pkts_queued, tx_pkts_queued); + atomic_set(&priv->wmm.highest_queued_prio, HIGH_PRIO_TID); + } + spin_unlock_bh(&priv->wmm.ra_list_spinlock); +} + +/* Retrieves an RA list node for a given TID and RA address pair. */ +struct nxpwifi_ra_list_tbl * +nxpwifi_wmm_get_queue_raptr(struct nxpwifi_private *priv, u8 tid, + const u8 *ra_addr) +{ + struct nxpwifi_ra_list_tbl *ra_list; + + ra_list = nxpwifi_wmm_get_ralist_node(priv, tid, ra_addr); + if (ra_list) + return ra_list; + nxpwifi_ralist_add(priv, ra_addr); + + return nxpwifi_wmm_get_ralist_node(priv, tid, ra_addr); +} + +/* Deletes RA list nodes for given mac for all TIDs. */ +void +nxpwifi_wmm_del_peer_ra_list(struct nxpwifi_private *priv, const u8 *ra_addr) +{ + struct nxpwifi_ra_list_tbl *ra_list; + int i; + + spin_lock_bh(&priv->wmm.ra_list_spinlock); + + for (i = 0; i < MAX_NUM_TID; ++i) { + ra_list = nxpwifi_wmm_get_ralist_node(priv, i, ra_addr); + + if (!ra_list) + continue; + nxpwifi_wmm_del_pkts_in_ralist_node(priv, ra_list); + if (ra_list->tx_paused) + priv->wmm.pkts_paused[i] -= ra_list->total_pkt_count; + else + atomic_sub(ra_list->total_pkt_count, + &priv->wmm.tx_pkts_queued); + list_del(&ra_list->list); + kfree(ra_list); + } + spin_unlock_bh(&priv->wmm.ra_list_spinlock); +} + +/* Checks if a particular RA list node exists in a given TID table index. */ +bool nxpwifi_is_ralist_valid(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ra_list, int ptr_index) +{ + struct nxpwifi_ra_list_tbl *rlist; + + list_for_each_entry(rlist, &priv->wmm.tid_tbl_ptr[ptr_index].ra_list, + list) { + if (rlist == ra_list) + return true; + } + + return false; +} + +/* Adds a packet to bypass TX queue. */ +void +nxpwifi_wmm_add_buf_bypass_txqueue(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + skb_queue_tail(&priv->bypass_txq, skb); +} + +/* Adds a packet to WMM queue. */ +void +nxpwifi_wmm_add_buf_txqueue(struct nxpwifi_private *priv, + struct sk_buff *skb) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u32 tid; + struct nxpwifi_ra_list_tbl *ra_list = NULL; + struct list_head list_head; + u8 ra[ETH_ALEN], tid_down; + struct ethhdr *eth_hdr = (struct ethhdr *)skb->data; + + memcpy(ra, eth_hdr->h_dest, ETH_ALEN); + + if (!priv->media_connected && !nxpwifi_is_skb_mgmt_frame(skb)) { + nxpwifi_dbg(adapter, DATA, "data: drop packet in disconnect\n"); + nxpwifi_write_data_complete(adapter, skb, 0, -1); + return; + } + + tid = skb->priority; + + spin_lock_bh(&priv->wmm.ra_list_spinlock); + + tid_down = nxpwifi_wmm_downgrade_tid(priv, tid); + + /* + * In case of infra as we have already created the list during + * association we just don't have to call get_queue_raptr, we will + * have only 1 raptr for a tid in case of infra + */ + if (!nxpwifi_queuing_ra_based(priv) && + !nxpwifi_is_skb_mgmt_frame(skb)) { + list_head = priv->wmm.tid_tbl_ptr[tid_down].ra_list; + ra_list = list_first_entry_or_null(&list_head, + struct nxpwifi_ra_list_tbl, + list); + } else { + memcpy(ra, skb->data, ETH_ALEN); + if (is_multicast_ether_addr(ra) || + nxpwifi_is_skb_mgmt_frame(skb)) + eth_broadcast_addr(ra); + ra_list = nxpwifi_wmm_get_queue_raptr(priv, tid_down, ra); + } + + if (!ra_list) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + nxpwifi_write_data_complete(adapter, skb, 0, -1); + return; + } + + skb_queue_tail(&ra_list->skb_head, skb); + + ra_list->ba_pkt_count++; + ra_list->total_pkt_count++; + + if (atomic_read(&priv->wmm.highest_queued_prio) < + priv->tos_to_tid_inv[tid_down]) + atomic_set(&priv->wmm.highest_queued_prio, + priv->tos_to_tid_inv[tid_down]); + + if (ra_list->tx_paused) + priv->wmm.pkts_paused[tid_down]++; + else + atomic_inc(&priv->wmm.tx_pkts_queued); + + spin_unlock_bh(&priv->wmm.ra_list_spinlock); +} + +/* Processes the get WMM status command response from firmware. */ +int nxpwifi_ret_wmm_get_status(struct nxpwifi_private *priv, + const struct host_cmd_ds_command *resp) +{ + u8 *curr; + u16 resp_len = le16_to_cpu(resp->size), tlv_len; + bool valid = true; + + struct nxpwifi_ie_types_data *tlv_hdr; + struct nxpwifi_ie_types_wmm_queue_status *wmm_qs; + struct ieee80211_wmm_param_ie *wmm_param_ie = NULL; + struct nxpwifi_wmm_ac_status *ac_status; + u32 base; + + nxpwifi_dbg(priv->adapter, INFO, + "info: WMM: WMM_GET_STATUS cmdresp received: %d\n", + resp_len); + + base = offsetofend(struct host_cmd_ds_command, params.get_wmm_status); + + if (resp_len < base) + return -EINVAL; + + curr = (u8 *)&resp->params.get_wmm_status; + resp_len -= base; + + while (resp_len >= sizeof(tlv_hdr->header) && valid) { + tlv_hdr = (struct nxpwifi_ie_types_data *)curr; + tlv_len = le16_to_cpu(tlv_hdr->header.len); + + if (resp_len < tlv_len + sizeof(tlv_hdr->header)) + break; + + switch (le16_to_cpu(tlv_hdr->header.type)) { + case TLV_TYPE_WMMQSTATUS: + if (tlv_len < + sizeof(struct nxpwifi_ie_types_wmm_queue_status) - + sizeof(tlv_hdr->header)) + break; + + wmm_qs = + (struct nxpwifi_ie_types_wmm_queue_status *)tlv_hdr; + + if (wmm_qs->queue_index >= IEEE80211_NUM_ACS) + break; + + ac_status = &priv->wmm.ac_status[wmm_qs->queue_index]; + ac_status->disabled = wmm_qs->disabled; + ac_status->flow_required = wmm_qs->flow_required; + ac_status->flow_created = wmm_qs->flow_created; + break; + + case WLAN_EID_VENDOR_SPECIFIC: + /* Need at least OUI(4) + WMM fixed fields */ + if (tlv_len + sizeof(tlv_hdr->header) < + offsetofend(struct ieee80211_wmm_param_ie, + qos_info)) + break; + + wmm_param_ie = + (struct ieee80211_wmm_param_ie *)(curr + 2); + + if (tlv_len + 2 > sizeof(struct ieee80211_wmm_param_ie)) + break; + + wmm_param_ie->len = (u8)tlv_len; + wmm_param_ie->element_id = WLAN_EID_VENDOR_SPECIFIC; + + memcpy(&priv->curr_bss_params.bss_descriptor.wmm_ie, + wmm_param_ie, wmm_param_ie->len + 2); + break; + + default: + valid = false; + break; + } + + curr += sizeof(tlv_hdr->header) + tlv_len; + resp_len -= sizeof(tlv_hdr->header) + tlv_len; + } + + nxpwifi_wmm_setup_queue_priorities(priv, wmm_param_ie); + nxpwifi_wmm_setup_ac_downgrade(priv); + + return 0; +} + +/* + * Callback handler from the command module to allow insertion of a WMM TLV. + * + * If the BSS we are associating to supports WMM, this function adds the + * required WMM Information element to the association request command buffer in + * the form of a NXP extended IEEE element. + */ +u32 +nxpwifi_wmm_process_association_req(struct nxpwifi_private *priv, + u8 **assoc_buf, + struct ieee80211_wmm_param_ie *wmm_ie, + struct ieee80211_ht_cap *ht_cap) +{ + struct nxpwifi_ie_types_wmm_param_set *wmm_tlv; + u32 ret_len = 0; + + /* Null checks */ + if (!assoc_buf) + return 0; + if (!(*assoc_buf)) + return 0; + + if (!wmm_ie) + return 0; + + nxpwifi_dbg(priv->adapter, INFO, + "info: WMM: process assoc req: bss->wmm_ie=%#x\n", + wmm_ie->element_id); + + if ((priv->wmm_required || + (ht_cap && (priv->config_bands & BAND_GN || + priv->config_bands & BAND_AN))) && + wmm_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) { + wmm_tlv = (struct nxpwifi_ie_types_wmm_param_set *)*assoc_buf; + wmm_tlv->header.type = cpu_to_le16((u16)wmm_info_ie[0]); + wmm_tlv->header.len = cpu_to_le16((u16)wmm_info_ie[1]); + memcpy(wmm_tlv->wmm_ie, &wmm_info_ie[2], + le16_to_cpu(wmm_tlv->header.len)); + if (wmm_ie->qos_info & IEEE80211_WMM_IE_AP_QOSINFO_UAPSD) + memcpy((u8 *)(wmm_tlv->wmm_ie + + le16_to_cpu(wmm_tlv->header.len) + - sizeof(priv->wmm_qosinfo)), + &priv->wmm_qosinfo, sizeof(priv->wmm_qosinfo)); + + ret_len = sizeof(wmm_tlv->header) + + le16_to_cpu(wmm_tlv->header.len); + + *assoc_buf += ret_len; + } + + return ret_len; +} + +/* Computes the time delay in the driver queues for a given packet. */ +u8 +nxpwifi_wmm_compute_drv_pkt_delay(struct nxpwifi_private *priv, + const struct sk_buff *skb) +{ + u32 queue_delay = ktime_to_ms(net_timedelta(skb->tstamp)); + u8 ret_val; + + /* + * Queue delay is passed as a uint8 in units of 2ms (ms shifted + * by 1). Min value (other than 0) is therefore 2ms, max is 510ms. + * + * Pass max value if queue_delay is beyond the uint8 range + */ + ret_val = (u8)(min(queue_delay, priv->wmm.drv_pkt_delay_max) >> 1); + + nxpwifi_dbg(priv->adapter, DATA, "data: WMM: Pkt Delay: %d ms,\t" + "%d ms sent to FW\n", queue_delay, ret_val); + + return ret_val; +} + +/* Retrieves the highest priority RA list table pointer. */ +static struct nxpwifi_ra_list_tbl * +nxpwifi_wmm_get_highest_priolist_ptr(struct nxpwifi_adapter *adapter, + struct nxpwifi_private **priv, int *tid) +{ + struct nxpwifi_private *priv_tmp; + struct nxpwifi_ra_list_tbl *ptr; + struct nxpwifi_tid_tbl *tid_ptr; + atomic_t *hqp; + int i, j; + u8 to_tid; + + /* check the BSS with highest priority first */ + for (j = adapter->priv_num - 1; j >= 0; --j) { + /* iterate over BSS with the equal priority */ + list_for_each_entry(adapter->bss_prio_tbl[j].bss_prio_cur, + &adapter->bss_prio_tbl[j].bss_prio_head, + list) { +try_again: + priv_tmp = adapter->bss_prio_tbl[j].bss_prio_cur->priv; + + if (!priv_tmp->port_open || + (atomic_read(&priv_tmp->wmm.tx_pkts_queued) == 0)) + continue; + + /* iterate over the WMM queues of the BSS */ + hqp = &priv_tmp->wmm.highest_queued_prio; + for (i = atomic_read(hqp); i >= LOW_PRIO_TID; --i) { + spin_lock_bh(&priv_tmp->wmm.ra_list_spinlock); + + to_tid = tos_to_tid[i]; + tid_ptr = &(priv_tmp)->wmm.tid_tbl_ptr[to_tid]; + + /* iterate over receiver addresses */ + list_for_each_entry(ptr, &tid_ptr->ra_list, + list) { + if (!ptr->tx_paused && + !skb_queue_empty(&ptr->skb_head)) + /* holds both locks */ + goto found; + } + + spin_unlock_bh(&priv_tmp->wmm.ra_list_spinlock); + } + + if (atomic_read(&priv_tmp->wmm.tx_pkts_queued) != 0) { + atomic_set(&priv_tmp->wmm.highest_queued_prio, + HIGH_PRIO_TID); + /* + * Iterate current private once more, since + * there still exist packets in data queue + */ + goto try_again; + } else { + atomic_set(&priv_tmp->wmm.highest_queued_prio, + NO_PKT_PRIO_TID); + } + } + } + + return NULL; + +found: + /* holds ra_list_spinlock */ + if (atomic_read(hqp) > i) + atomic_set(hqp, i); + spin_unlock_bh(&priv_tmp->wmm.ra_list_spinlock); + + *priv = priv_tmp; + *tid = tos_to_tid[i]; + + return ptr; +} + +/* Rotates ra and bss lists so packets are picked round robin. */ +void nxpwifi_rotate_priolists(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ra, + int tid) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_bss_prio_tbl *tbl = adapter->bss_prio_tbl; + struct nxpwifi_tid_tbl *tid_ptr = &priv->wmm.tid_tbl_ptr[tid]; + + spin_lock_bh(&tbl[priv->bss_priority].bss_prio_lock); + /* + * dirty trick: we remove 'head' temporarily and reinsert it after + * curr bss node. imagine list to stay fixed while head is moved + */ + list_move(&tbl[priv->bss_priority].bss_prio_head, + &tbl[priv->bss_priority].bss_prio_cur->list); + spin_unlock_bh(&tbl[priv->bss_priority].bss_prio_lock); + + spin_lock_bh(&priv->wmm.ra_list_spinlock); + if (nxpwifi_is_ralist_valid(priv, ra, tid)) { + priv->wmm.packets_out[tid]++; + /* same as above */ + list_move(&tid_ptr->ra_list, &ra->list); + } + spin_unlock_bh(&priv->wmm.ra_list_spinlock); +} + +/* Checks if 11n aggregation is possible. */ +static bool +nxpwifi_is_11n_aggragation_possible(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ptr, + int max_buf_size) +{ + int count = 0, total_size = 0; + struct sk_buff *skb, *tmp; + int max_amsdu_size; + + if (priv->bss_role == NXPWIFI_BSS_ROLE_UAP && priv->ap_11n_enabled && + ptr->is_11n_enabled) + max_amsdu_size = min_t(int, ptr->max_amsdu, max_buf_size); + else + max_amsdu_size = max_buf_size; + + skb_queue_walk_safe(&ptr->skb_head, skb, tmp) { + total_size += skb->len; + if (total_size >= max_amsdu_size) + break; + if (++count >= MIN_NUM_AMSDU) + return true; + } + + return false; +} + +/* Sends a single packet to firmware for transmission. */ +static void +nxpwifi_send_single_packet(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ptr, int ptr_index) +__releases(&priv->wmm.ra_list_spinlock) +{ + struct sk_buff *skb, *skb_next; + struct nxpwifi_tx_param tx_param; + struct nxpwifi_adapter *adapter = priv->adapter; + struct nxpwifi_txinfo *tx_info; + + if (skb_queue_empty(&ptr->skb_head)) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + nxpwifi_dbg(adapter, DATA, "data: nothing to send\n"); + return; + } + + skb = skb_dequeue(&ptr->skb_head); + + tx_info = NXPWIFI_SKB_TXCB(skb); + nxpwifi_dbg(adapter, DATA, + "data: dequeuing the packet %p %p\n", ptr, skb); + + ptr->total_pkt_count--; + + if (!skb_queue_empty(&ptr->skb_head)) + skb_next = skb_peek(&ptr->skb_head); + else + skb_next = NULL; + + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + + tx_param.next_pkt_len = ((skb_next) ? skb_next->len + + sizeof(struct txpd) : 0); + + if (nxpwifi_process_tx(priv, skb, &tx_param) == -EBUSY) { + /* Queue the packet back at the head */ + spin_lock_bh(&priv->wmm.ra_list_spinlock); + + if (!nxpwifi_is_ralist_valid(priv, ptr, ptr_index)) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + nxpwifi_write_data_complete(adapter, skb, 0, -1); + return; + } + + skb_queue_tail(&ptr->skb_head, skb); + + ptr->total_pkt_count++; + ptr->ba_pkt_count++; + tx_info->flags |= NXPWIFI_BUF_FLAG_REQUEUED_PKT; + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + } else { + nxpwifi_rotate_priolists(priv, ptr, ptr_index); + atomic_dec(&priv->wmm.tx_pkts_queued); + } +} + +/* Checks if the first packet in the given RA list is already processed or not. */ +static bool +nxpwifi_is_ptr_processed(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ptr) +{ + struct sk_buff *skb; + struct nxpwifi_txinfo *tx_info; + + if (skb_queue_empty(&ptr->skb_head)) + return false; + + skb = skb_peek(&ptr->skb_head); + + tx_info = NXPWIFI_SKB_TXCB(skb); + if (tx_info->flags & NXPWIFI_BUF_FLAG_REQUEUED_PKT) + return true; + + return false; +} + +/* Sends a single processed packet to firmware for transmission. */ +static void +nxpwifi_send_processed_packet(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ptr, int ptr_index) + __releases(&priv->wmm.ra_list_spinlock) +{ + struct nxpwifi_tx_param tx_param; + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + struct sk_buff *skb, *skb_next; + struct nxpwifi_txinfo *tx_info; + + if (skb_queue_empty(&ptr->skb_head)) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + return; + } + + skb = skb_dequeue(&ptr->skb_head); + + if (adapter->data_sent || adapter->tx_lock_flag) { + ptr->total_pkt_count--; + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + skb_queue_tail(&adapter->tx_data_q, skb); + atomic_dec(&priv->wmm.tx_pkts_queued); + atomic_inc(&adapter->tx_queued); + return; + } + + if (!skb_queue_empty(&ptr->skb_head)) + skb_next = skb_peek(&ptr->skb_head); + else + skb_next = NULL; + + tx_info = NXPWIFI_SKB_TXCB(skb); + + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + + tx_param.next_pkt_len = + ((skb_next) ? skb_next->len + + sizeof(struct txpd) : 0); + + ret = adapter->if_ops.host_to_card(adapter, NXPWIFI_TYPE_DATA, + skb, &tx_param); + + switch (ret) { + case -EBUSY: + nxpwifi_dbg(adapter, ERROR, "data: -EBUSY is returned\n"); + spin_lock_bh(&priv->wmm.ra_list_spinlock); + + if (!nxpwifi_is_ralist_valid(priv, ptr, ptr_index)) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + nxpwifi_write_data_complete(adapter, skb, 0, -1); + return; + } + + skb_queue_tail(&ptr->skb_head, skb); + + tx_info->flags |= NXPWIFI_BUF_FLAG_REQUEUED_PKT; + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + break; + case -EINPROGRESS: + break; + case 0: + nxpwifi_write_data_complete(adapter, skb, 0, ret); + break; + default: + nxpwifi_dbg(adapter, ERROR, "host_to_card failed: %#x\n", ret); + adapter->dbg.num_tx_host_to_card_failure++; + nxpwifi_write_data_complete(adapter, skb, 0, ret); + break; + } + + if (ret != -EBUSY) { + nxpwifi_rotate_priolists(priv, ptr, ptr_index); + atomic_dec(&priv->wmm.tx_pkts_queued); + spin_lock_bh(&priv->wmm.ra_list_spinlock); + ptr->total_pkt_count--; + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + } +} + +/* Dequeues a packet from the highest priority list and transmits it. */ +static int +nxpwifi_dequeue_tx_packet(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_ra_list_tbl *ptr; + struct nxpwifi_private *priv = NULL; + int ptr_index = 0; + u8 ra[ETH_ALEN]; + int tid_del = 0, tid = 0; + + ptr = nxpwifi_wmm_get_highest_priolist_ptr(adapter, &priv, &ptr_index); + if (!ptr) + return -ENOENT; + + tid = nxpwifi_get_tid(ptr); + + nxpwifi_dbg(adapter, DATA, "data: tid=%d\n", tid); + + spin_lock_bh(&priv->wmm.ra_list_spinlock); + if (!nxpwifi_is_ralist_valid(priv, ptr, ptr_index)) { + spin_unlock_bh(&priv->wmm.ra_list_spinlock); + return -EINVAL; + } + + if (nxpwifi_is_ptr_processed(priv, ptr)) { + nxpwifi_send_processed_packet(priv, ptr, ptr_index); + /* + * ra_list_spinlock has been freed in + * nxpwifi_send_processed_packet() + */ + return 0; + } + + if (!ptr->is_11n_enabled || + ptr->ba_status || + priv->wps.session_enable) { + if (ptr->is_11n_enabled && + ptr->ba_status && + ptr->amsdu_in_ampdu && + nxpwifi_is_amsdu_allowed(priv, tid) && + nxpwifi_is_11n_aggragation_possible(priv, ptr, + adapter->tx_buf_size)) + nxpwifi_11n_aggregate_pkt(priv, ptr, ptr_index); + /* + * ra_list_spinlock has been freed in + * nxpwifi_11n_aggregate_pkt() + */ + else + nxpwifi_send_single_packet(priv, ptr, ptr_index); + /* + * ra_list_spinlock has been freed in + * nxpwifi_send_single_packet() + */ + } else { + if (nxpwifi_is_ampdu_allowed(priv, ptr, tid) && + ptr->ba_pkt_count > ptr->ba_packet_thr) { + if (nxpwifi_space_avail_for_new_ba_stream(adapter)) { + nxpwifi_create_ba_tbl(priv, ptr->ra, tid, + BA_SETUP_INPROGRESS); + nxpwifi_send_addba(priv, tid, ptr->ra); + } else if (nxpwifi_find_stream_to_delete + (priv, tid, &tid_del, ra)) { + nxpwifi_create_ba_tbl(priv, ptr->ra, tid, + BA_SETUP_INPROGRESS); + nxpwifi_send_delba(priv, tid_del, ra, 1); + } + } + if (nxpwifi_is_amsdu_allowed(priv, tid) && + nxpwifi_is_11n_aggragation_possible(priv, ptr, + adapter->tx_buf_size)) + nxpwifi_11n_aggregate_pkt(priv, ptr, ptr_index); + /* + * ra_list_spinlock has been freed in + * nxpwifi_11n_aggregate_pkt() + */ + else + nxpwifi_send_single_packet(priv, ptr, ptr_index); + /* + * ra_list_spinlock has been freed in + * nxpwifi_send_single_packet() + */ + } + return 0; +} + +void nxpwifi_process_bypass_tx(struct nxpwifi_adapter *adapter) +{ + struct nxpwifi_tx_param tx_param; + struct sk_buff *skb; + struct nxpwifi_txinfo *tx_info; + struct nxpwifi_private *priv; + int i; + + if (adapter->data_sent || adapter->tx_lock_flag) + return; + + for (i = 0; i < adapter->priv_num; ++i) { + priv = adapter->priv[i]; + + if (skb_queue_empty(&priv->bypass_txq)) + continue; + + skb = skb_dequeue(&priv->bypass_txq); + tx_info = NXPWIFI_SKB_TXCB(skb); + + /* no aggregation for bypass packets */ + tx_param.next_pkt_len = 0; + + if (nxpwifi_process_tx(priv, skb, &tx_param) == -EBUSY) { + skb_queue_head(&priv->bypass_txq, skb); + tx_info->flags |= NXPWIFI_BUF_FLAG_REQUEUED_PKT; + } else { + atomic_dec(&adapter->bypass_tx_pending); + } + } +} + +/* Transmits the highest priority packet awaiting in the WMM Queues. */ +void +nxpwifi_wmm_process_tx(struct nxpwifi_adapter *adapter) +{ + do { + if (nxpwifi_dequeue_tx_packet(adapter)) + break; + if (adapter->iface_type != NXPWIFI_SDIO) { + if (adapter->data_sent || + adapter->tx_lock_flag) + break; + } else { + if (atomic_read(&adapter->tx_queued) >= + NXPWIFI_MAX_PKTS_TXQ) + break; + } + } while (!nxpwifi_wmm_lists_empty(adapter)); +} + +void nxpwifi_wmm_init_tos_to_tid_inv(struct nxpwifi_private *priv) +{ + memcpy(priv->tos_to_tid_inv, tos_to_tid_inv, sizeof(priv->tos_to_tid_inv)); +} diff --git a/drivers/net/wireless/nxp/nxpwifi/wmm.h b/drivers/net/wireless/nxp/nxpwifi/wmm.h new file mode 100644 index 000000000000..d7f4a29bc301 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/wmm.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * NXP Wireless LAN device driver: WMM + * + * Copyright 2011-2024 NXP + */ + +#ifndef _NXPWIFI_WMM_H_ +#define _NXPWIFI_WMM_H_ + +enum ieee_types_wmm_aciaifsn_bitmasks { + NXPWIFI_AIFSN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)), + NXPWIFI_ACM = BIT(4), + NXPWIFI_ACI = (BIT(5) | BIT(6)), +}; + +enum ieee_types_wmm_ecw_bitmasks { + NXPWIFI_ECW_MIN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)), + NXPWIFI_ECW_MAX = (BIT(4) | BIT(5) | BIT(6) | BIT(7)), +}; + +extern const u16 nxpwifi_1d_to_wmm_queue[]; + +/* Retrieve the TID of the given RA list. */ +static inline int +nxpwifi_get_tid(struct nxpwifi_ra_list_tbl *ptr) +{ + struct sk_buff *skb; + + if (skb_queue_empty(&ptr->skb_head)) + return 0; + + skb = skb_peek(&ptr->skb_head); + + return skb->priority; +} + +void nxpwifi_wmm_add_buf_txqueue(struct nxpwifi_private *priv, + struct sk_buff *skb); +void nxpwifi_wmm_add_buf_bypass_txqueue(struct nxpwifi_private *priv, + struct sk_buff *skb); +void nxpwifi_ralist_add(struct nxpwifi_private *priv, const u8 *ra); +void nxpwifi_rotate_priolists(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ra, int tid); + +bool nxpwifi_wmm_lists_empty(struct nxpwifi_adapter *adapter); +bool nxpwifi_bypass_txlist_empty(struct nxpwifi_adapter *adapter); +void nxpwifi_wmm_process_tx(struct nxpwifi_adapter *adapter); +void nxpwifi_process_bypass_tx(struct nxpwifi_adapter *adapter); +bool nxpwifi_is_ralist_valid(struct nxpwifi_private *priv, + struct nxpwifi_ra_list_tbl *ra_list, int tid); + +u8 nxpwifi_wmm_compute_drv_pkt_delay(struct nxpwifi_private *priv, + const struct sk_buff *skb); +void nxpwifi_wmm_init(struct nxpwifi_adapter *adapter); + +u32 nxpwifi_wmm_process_association_req(struct nxpwifi_private *priv, + u8 **assoc_buf, + struct ieee80211_wmm_param_ie *wmmie, + struct ieee80211_ht_cap *htcap); + +void nxpwifi_wmm_setup_queue_priorities(struct nxpwifi_private *priv, + struct ieee80211_wmm_param_ie *wmm_ie); +void nxpwifi_wmm_setup_ac_downgrade(struct nxpwifi_private *priv); +int nxpwifi_ret_wmm_get_status(struct nxpwifi_private *priv, + const struct host_cmd_ds_command *resp); +struct nxpwifi_ra_list_tbl * +nxpwifi_wmm_get_queue_raptr(struct nxpwifi_private *priv, u8 tid, + const u8 *ra_addr); +u8 nxpwifi_wmm_downgrade_tid(struct nxpwifi_private *priv, u32 tid); +void nxpwifi_update_ralist_tx_pause(struct nxpwifi_private *priv, u8 *mac, + u8 tx_pause); + +struct nxpwifi_ra_list_tbl *nxpwifi_wmm_get_ralist_node(struct nxpwifi_private + *priv, u8 tid, const u8 *ra_addr); +void nxpwifi_wmm_init_tos_to_tid_inv(struct nxpwifi_private *priv); +#endif /* !_NXPWIFI_WMM_H_ */