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wifi: rtw89: correct VHT TX rate on 20MHz connection

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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
This commit is contained in:
Dian-Syuan Yang
2024-07-31 15:05:06 +08:00
committed by Ping-Ke Shih
parent 50961f8861
commit 89a4c16cbd
1 changed files with 5 additions and 2 deletions
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7
drivers/net/wireless/realtek/rtw89/phy.c
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@@ -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;