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wifi: rtw89: disable EHT protocol by chip capabilities

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For certain chip models, EHT protocol is disabled, and driver must follow
the capabilities. Otherwise, chips become unusable.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260110022019.2254969-5-pkshih@realtek.com
This commit is contained in:
Ping-Ke Shih
2026-01-10 10:20:15 +08:00
parent 432b26382d
commit 7fd36ffede
4 changed files with 11 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/realtek/rtw89/core.c
View File

@@ -5395,7 +5395,7 @@ static void rtw89_init_eht_cap(struct rtw89_dev *rtwdev,
u8 val, val_mcs13;
int sts = 8;
if (chip->chip_gen == RTW89_CHIP_AX)
if (chip->chip_gen == RTW89_CHIP_AX || hal->no_eht)
return;
if (hal->no_mcs_12_13)

1
drivers/net/wireless/realtek/rtw89/core.h
View File

@@ -5130,6 +5130,7 @@ struct rtw89_hal {
bool support_cckpd;
bool support_igi;
bool no_mcs_12_13;
bool no_eht;
atomic_t roc_chanctx_idx;
u8 roc_link_index;

4
drivers/net/wireless/realtek/rtw89/fw.h
View File

@@ -42,6 +42,10 @@ struct rtw89_c2hreg_phycap {
#define RTW89_C2HREG_PHYCAP_W0_BW GENMASK(31, 24)
#define RTW89_C2HREG_PHYCAP_W1_TX_NSS GENMASK(7, 0)
#define RTW89_C2HREG_PHYCAP_W1_PROT GENMASK(15, 8)
#define RTW89_C2HREG_PHYCAP_W1_PROT_11N 1
#define RTW89_C2HREG_PHYCAP_W1_PROT_11AC 2
#define RTW89_C2HREG_PHYCAP_W1_PROT_11AX 3
#define RTW89_C2HREG_PHYCAP_W1_PROT_11BE 4
#define RTW89_C2HREG_PHYCAP_W1_NIC GENMASK(23, 16)
#define RTW89_C2HREG_PHYCAP_W1_WL_FUNC GENMASK(31, 24)
#define RTW89_C2HREG_PHYCAP_W2_HW_TYPE GENMASK(7, 0)

5
drivers/net/wireless/realtek/rtw89/mac.c
View File

@@ -3116,6 +3116,7 @@ static int rtw89_mac_setup_phycap_part0(struct rtw89_dev *rtwdev)
struct rtw89_efuse *efuse = &rtwdev->efuse;
struct rtw89_mac_c2h_info c2h_info = {};
struct rtw89_hal *hal = &rtwdev->hal;
u8 protocol;
u8 tx_nss;
u8 rx_nss;
u8 tx_ant;
@@ -3163,6 +3164,10 @@ static int rtw89_mac_setup_phycap_part0(struct rtw89_dev *rtwdev)
rtw89_debug(rtwdev, RTW89_DBG_FW, "TX path diversity=%d\n", hal->tx_path_diversity);
rtw89_debug(rtwdev, RTW89_DBG_FW, "Antenna diversity=%d\n", hal->ant_diversity);
protocol = u32_get_bits(phycap->w1, RTW89_C2HREG_PHYCAP_W1_PROT);
if (protocol < RTW89_C2HREG_PHYCAP_W1_PROT_11BE)
hal->no_eht = true;
return 0;
}