diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8814a.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8814a.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8814a.c b/drivers/net/wireless/realtek/rtw88/rtw8814a.c index cfd35d40d46e..44dd3090484b 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8814a.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8814a.c @@ -1332,6 +1332,16 @@ static void rtw8814a_cfg_ldo25(struct rtw_dev *rtwdev, bool enable) { } +/* Without this RTL8814A sends too many frames and (some?) 11n AP + * can't handle it, resulting in low TX speed. Other chips seem fine. + */ +static void rtw8814a_set_ampdu_factor(struct rtw_dev *rtwdev, u8 factor) +{ + factor = min_t(u8, factor, IEEE80211_VHT_MAX_AMPDU_256K); + + rtw_write32(rtwdev, REG_AMPDU_MAX_LENGTH, (8192 << factor) - 1); +} + static void rtw8814a_false_alarm_statistics(struct rtw_dev *rtwdev) { struct rtw_dm_info *dm_info = &rtwdev->dm_info; @@ -2051,6 +2061,7 @@ static const struct rtw_chip_ops rtw8814a_ops = { .set_antenna = NULL, .cfg_ldo25 = rtw8814a_cfg_ldo25, .efuse_grant = rtw8814a_efuse_grant, + .set_ampdu_factor = rtw8814a_set_ampdu_factor, .false_alarm_statistics = rtw8814a_false_alarm_statistics, .phy_calibration = rtw8814a_phy_calibration, .cck_pd_set = rtw8814a_phy_cck_pd_set, @@ -2189,6 +2200,7 @@ const struct rtw_chip_info rtw8814a_hw_spec = { .rx_ldpc = true, .max_power_index = 0x3f, .ampdu_density = IEEE80211_HT_MPDU_DENSITY_2, + .amsdu_in_ampdu = false, /* RX speed is better without AMSDU */ .usb_tx_agg_desc_num = 3, .hw_feature_report = false, .c2h_ra_report_size = 6, |