From: Dian-Syuan Yang <dian_syuan0116@xxxxxxxxxxx> 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@xxxxxxxxxxx> Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> --- drivers/net/wireless/realtek/rtw89/phy.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index aa20b3e9d3c6..93c4ab7a83e5 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; -- 2.25.1
