diff options
| author | Dian-Syuan Yang <dian_syuan0116@realtek.com> | 2024-07-31 15:05:06 +0800 |
|---|---|---|
| committer | Ping-Ke Shih <pkshih@realtek.com> | 2024-08-07 11:06:24 +0800 |
| commit | 89a4c16cbdc961f69a636685f6bedc18d3813d45 (patch) | |
| tree | d799e40758b50d922c0a228d74c36859fda33694 /drivers/net/wireless/realtek/rtw89 | |
| parent | 50961f88612c2200170111cf8d11e591d354fe1a (diff) | |
wifi: rtw89: correct VHT TX rate on 20MHz connection
It may get wrong bitrate when connecting to AP set VHT 20MHz,
and thus we fix it to follow Wi-Fi spec.
Signed-off-by: Dian-Syuan Yang <dian_syuan0116@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240731070506.46100-6-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/phy.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index 118d09b3eadd..aa4fc9115995 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -341,8 +341,11 @@ static void rtw89_phy_ra_sta_update(struct rtw89_dev *rtwdev, mode |= RTW89_RA_MODE_VHT; csi_mode = RTW89_RA_RPT_MODE_VHT; - /* MCS9, MCS8, MCS7 */ - ra_mask |= get_mcs_ra_mask(mcs_map, 9, 1); + /* MCS9 (non-20MHz), MCS8, MCS7 */ + if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) + ra_mask |= get_mcs_ra_mask(mcs_map, 8, 1); + else + ra_mask |= get_mcs_ra_mask(mcs_map, 9, 1); high_rate_masks = rtw89_ra_mask_vht_rates; if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK) stbc_en = 1; |