diff options
| author | Po-Hao Huang <phhuang@realtek.com> | 2021-02-09 10:07:48 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-02-12 10:50:53 +0300 |
| commit | 4830872685f80666b29bab6a930254809c18c40a (patch) | |
| tree | 753a59b7efb771200c244e4616893967646c80ff /drivers/net/wireless/realtek/rtw88/main.c | |
| parent | 3304b6f937a3a60bbdfe6d7d4df7de2dfa8545e8 (diff) | |
| download | linux-4830872685f80666b29bab6a930254809c18c40a.tar.xz | |
rtw88: add dynamic rrsr configuration
Register rrsr determines the response rate we send.
In field tests, using rate higher than current tx rate could lead
to difficulty for the receiving end to receive management/control
frames. Calculate current modulation level by tx rate then cross out
rate higher than those.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210209070755.23019-2-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/main.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 757aaf45f65e..871496713f98 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -894,6 +894,7 @@ static u64 rtw_update_rate_mask(struct rtw_dev *rtwdev, void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) { + struct rtw_dm_info *dm_info = &rtwdev->dm_info; struct ieee80211_sta *sta = si->sta; struct rtw_efuse *efuse = &rtwdev->efuse; struct rtw_hal *hal = &rtwdev->hal; @@ -938,6 +939,7 @@ void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) } else { wireless_set = WIRELESS_OFDM; } + dm_info->rrsr_val_init = RRSR_INIT_5G; } else if (hal->current_band_type == RTW_BAND_2G) { ra_mask |= sta->supp_rates[NL80211_BAND_2GHZ]; if (sta->vht_cap.vht_supported) { @@ -955,6 +957,7 @@ void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) } else { wireless_set = WIRELESS_CCK | WIRELESS_OFDM; } + dm_info->rrsr_val_init = RRSR_INIT_2G; } else { rtw_err(rtwdev, "Unknown band type\n"); wireless_set = 0; |