diff options
| author | Chin-Yen Lee <timlee@realtek.com> | 2022-02-15 08:48:50 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-02-21 10:48:38 +0200 |
| commit | 04e00ac94f6c8d2b85af500c526d5e1632d93012 (patch) | |
| tree | 0684d6fc97931fcbd0233e6d6245f0eccb32526c /drivers/net/wireless/realtek/rtw88/main.c | |
| parent | ea0de861374b06f97620eb508d442161b56cfa62 (diff) | |
| download | linux-04e00ac94f6c8d2b85af500c526d5e1632d93012.tar.bz2 | |
rtw88: 8822ce: add support for TX/RX 1ss mode
In some case, wifi chip need to be configed to be TX/RX 1ss mode.
For this mode, wifi components, such as MAC/BB/RF, need to be
specially set, and driver need to send SMPS action frame to inform AP.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220215004855.4098-2-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/main.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 2757aa0dc586..41b6db422638 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -1135,7 +1135,7 @@ void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) ldpc_en = HT_LDPC_EN; } - if (efuse->hw_cap.nss == 1) + if (efuse->hw_cap.nss == 1 || rtwdev->hal.txrx_1ss) ra_mask &= RA_MASK_VHT_RATES_1SS | RA_MASK_HT_RATES_1SS; if (hal->current_band_type == RTW_BAND_5G) { @@ -1570,6 +1570,37 @@ static void rtw_unset_supported_band(struct ieee80211_hw *hw, kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]); } +static void rtw_vif_smps_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct rtw_dev *rtwdev = (struct rtw_dev *)data; + + if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc) + return; + + if (rtwdev->hal.txrx_1ss) + ieee80211_request_smps(vif, IEEE80211_SMPS_STATIC); + else + ieee80211_request_smps(vif, IEEE80211_SMPS_OFF); +} + +void rtw_set_txrx_1ss(struct rtw_dev *rtwdev, bool txrx_1ss) +{ + struct rtw_chip_info *chip = rtwdev->chip; + struct rtw_hal *hal = &rtwdev->hal; + + if (!chip->ops->config_txrx_mode || rtwdev->hal.txrx_1ss == txrx_1ss) + return; + + rtwdev->hal.txrx_1ss = txrx_1ss; + if (txrx_1ss) + chip->ops->config_txrx_mode(rtwdev, BB_PATH_A, BB_PATH_A, false); + else + chip->ops->config_txrx_mode(rtwdev, hal->antenna_tx, + hal->antenna_rx, false); + rtw_iterate_vifs_atomic(rtwdev, rtw_vif_smps_iter, rtwdev); +} + static void __update_firmware_feature(struct rtw_dev *rtwdev, struct rtw_fw_state *fw) { |