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mt76: mt7915: add encap offload for 4-address mode stations

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Enable MWDS mode in firmware as well and fix txp->rept_wds_wcid for wcid >= 255

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2020-08-21 08:42:46 +02:00
parent 55f7c9b027
commit e151d71e50
7 changed files with 78 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/mediatek/mt76/mt76.h
View File

@@ -185,6 +185,7 @@ struct mt76_queue_ops {
enum mt76_wcid_flags {
MT_WCID_FLAG_CHECK_PS,
MT_WCID_FLAG_PS,
MT_WCID_FLAG_4ADDR,
};
#define MT76_N_WCIDS 288

7
drivers/net/wireless/mediatek/mt76/mt7915/mac.c
View File

@@ -799,7 +799,7 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
tx_info->buf[1].skip_unmap = true;
tx_info->nbuf = MT_CT_DMA_BUF_NUM;
txp->flags = cpu_to_le16(MT_CT_INFO_APPLY_TXD);
txp->flags = cpu_to_le16(MT_CT_INFO_APPLY_TXD | MT_CT_INFO_FROM_HOST);
if (!key)
txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME);
@@ -824,7 +824,10 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
return id;
txp->token = cpu_to_le16(id);
txp->rept_wds_wcid = 0xff;
if (test_bit(MT_WCID_FLAG_4ADDR, &wcid->flags))
txp->rept_wds_wcid = cpu_to_le16(wcid->idx);
else
txp->rept_wds_wcid = cpu_to_le16(0x3ff);
tx_info->skb = DMA_DUMMY_DATA;
return 0;

4
drivers/net/wireless/mediatek/mt76/mt7915/mac.h
View File

@@ -160,6 +160,7 @@ enum tx_mcu_port_q_idx {
#define MT_CT_INFO_MGMT_FRAME BIT(2)
#define MT_CT_INFO_NONE_CIPHER_FRAME BIT(3)
#define MT_CT_INFO_HSR2_TX BIT(4)
#define MT_CT_INFO_FROM_HOST BIT(7)
#define MT_TXD_SIZE (8 * 4)
@@ -255,8 +256,7 @@ struct mt7915_txp {
__le16 flags;
__le16 token;
u8 bss_idx;
u8 rept_wds_wcid;
u8 rsv;
__le16 rept_wds_wcid;
u8 nbuf;
__le32 buf[MT_TXP_MAX_BUF_NUM];
__le16 len[MT_TXP_MAX_BUF_NUM];

19
drivers/net/wireless/mediatek/mt76/mt7915/main.c
View File

@@ -173,6 +173,8 @@ static int mt7915_add_interface(struct ieee80211_hw *hw,
mtxq->wcid = &mvif->sta.wcid;
}
vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
out:
mutex_unlock(&dev->mt76.mutex);
@@ -804,6 +806,22 @@ mt7915_sta_rc_update(struct ieee80211_hw *hw,
ieee80211_queue_work(hw, &dev->rc_work);
}
static void mt7915_sta_set_4addr(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
bool enabled)
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
if (enabled)
set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
else
clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
mt7915_mcu_sta_update_hdr_trans(dev, vif, sta);
}
const struct ieee80211_ops mt7915_ops = {
.tx = mt7915_tx,
.start = mt7915_start,
@@ -835,6 +853,7 @@ const struct ieee80211_ops mt7915_ops = {
.set_antenna = mt7915_set_antenna,
.set_coverage_class = mt7915_set_coverage_class,
.sta_statistics = mt7915_sta_statistics,
.sta_set_4addr = mt7915_sta_set_4addr,
#ifdef CONFIG_MAC80211_DEBUGFS
.sta_add_debugfs = mt7915_sta_add_debugfs,
#endif

47
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
View File

@@ -276,7 +276,10 @@ static int __mt7915_mcu_msg_send(struct mt7915_dev *dev, struct sk_buff *skb,
mcu_txd->set_query = MCU_Q_SET;
}
mcu_txd->s2d_index = MCU_S2D_H2N;
if (cmd == MCU_EXT_CMD_MWDS_SUPPORT)
mcu_txd->s2d_index = MCU_S2D_H2C;
else
mcu_txd->s2d_index = MCU_S2D_H2N;
WARN_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS &&
mcu_txd->set_query != MCU_Q_QUERY);
@@ -1693,6 +1696,7 @@ mt7915_mcu_wtbl_hdr_trans_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
void *sta_wtbl, void *wtbl_tlv)
{
struct mt7915_sta *msta;
struct wtbl_hdr_trans *htr = NULL;
struct tlv *tlv;
@@ -1704,6 +1708,33 @@ mt7915_mcu_wtbl_hdr_trans_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
htr->to_ds = true;
else
htr->from_ds = true;
if (!sta)
return;
msta = (struct mt7915_sta *)sta->drv_priv;
if (test_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags)) {
htr->to_ds = true;
htr->from_ds = true;
}
}
int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct wtbl_req_hdr *wtbl_hdr;
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, MT7915_WTBL_UPDATE_MAX_SIZE);
if (!skb)
return -ENOMEM;
wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, NULL, &skb);
mt7915_mcu_wtbl_hdr_trans_tlv(skb, vif, sta, NULL, wtbl_hdr);
return __mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_EXT_CMD_WTBL_UPDATE, true);
}
int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
@@ -2867,6 +2898,19 @@ int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level)
&data, sizeof(data), false);
}
static int mt7915_mcu_set_mwds(struct mt7915_dev *dev, bool enabled)
{
struct {
u8 enable;
u8 _rsv[3];
} __packed req = {
.enable = enabled
};
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MWDS_SUPPORT,
&req, sizeof(req), false);
}
int mt7915_mcu_init(struct mt7915_dev *dev)
{
static const struct mt76_mcu_ops mt7915_mcu_ops = {
@@ -2889,6 +2933,7 @@ int mt7915_mcu_init(struct mt7915_dev *dev)
set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
mt7915_mcu_fw_log_2_host(dev, 0);
mt7915_mcu_set_mwds(dev, 1);
return 0;
}

2
drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
View File

@@ -201,6 +201,7 @@ enum {
MCU_EXT_CMD_EDCA_UPDATE = 0x27,
MCU_EXT_CMD_DEV_INFO_UPDATE = 0x2A,
MCU_EXT_CMD_THERMAL_CTRL = 0x2c,
MCU_EXT_CMD_WTBL_UPDATE = 0x32,
MCU_EXT_CMD_SET_DRR_CTRL = 0x36,
MCU_EXT_CMD_SET_RDD_CTRL = 0x3a,
MCU_EXT_CMD_PROTECT_CTRL = 0x3e,
@@ -208,6 +209,7 @@ enum {
MCU_EXT_CMD_RX_HDR_TRANS = 0x47,
MCU_EXT_CMD_SET_RX_PATH = 0x4e,
MCU_EXT_CMD_TX_POWER_FEATURE_CTRL = 0x58,
MCU_EXT_CMD_MWDS_SUPPORT = 0x80,
MCU_EXT_CMD_SET_SER_TRIGGER = 0x81,
MCU_EXT_CMD_SCS_CTRL = 0x82,
MCU_EXT_CMD_RATE_CTRL = 0x87,

3
drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
View File

@@ -289,6 +289,9 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable);
int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enable);
int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
struct ieee80211_ampdu_params *params,
bool add);