diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-04-08 08:13:46 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-04-12 16:34:39 +0300 |
| commit | 181751970107746c1b4e6870b01d74e4ac0f3fb8 (patch) | |
| tree | 2a90b8c66123f2958c02591e560726de42977b5c | |
| parent | 9a1ab283c709a058593f1bf0d69a05a5e8b90f72 (diff) | |
| download | linux-181751970107746c1b4e6870b01d74e4ac0f3fb8.tar.gz linux-181751970107746c1b4e6870b01d74e4ac0f3fb8.zip | |
rtw89: reset BA CAM
BA CAM is used to react receiving AMPDU packets, so reset them to be
expected initial state.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220408001353.17188-7-pkshih@realtek.com
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/mac.c | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/reg.h | 2 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index b60b9255e3fa..ba8c7d3e176c 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -1964,6 +1964,21 @@ static int trxptcl_init(struct rtw89_dev *rtwdev, u8 mac_idx) return 0; } +static void rst_bacam(struct rtw89_dev *rtwdev) +{ + u32 val32; + int ret; + + rtw89_write32_mask(rtwdev, R_AX_RESPBA_CAM_CTRL, B_AX_BACAM_RST_MASK, + S_AX_BACAM_RST_ALL); + + ret = read_poll_timeout_atomic(rtw89_read32_mask, val32, val32 == 0, + 1, 1000, false, + rtwdev, R_AX_RESPBA_CAM_CTRL, B_AX_BACAM_RST_MASK); + if (ret) + rtw89_warn(rtwdev, "failed to reset BA CAM\n"); +} + static int rmac_init(struct rtw89_dev *rtwdev, u8 mac_idx) { #define TRXCFG_RMAC_CCA_TO 32 @@ -1978,6 +1993,9 @@ static int rmac_init(struct rtw89_dev *rtwdev, u8 mac_idx) if (ret) return ret; + if (mac_idx == RTW89_MAC_0) + rst_bacam(rtwdev); + reg = rtw89_mac_reg_by_idx(R_AX_RESPBA_CAM_CTRL, mac_idx); rtw89_write8_set(rtwdev, reg, B_AX_SSN_SEL); diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index e5f8374f49ad..bc343e756aad 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -2819,6 +2819,8 @@ #define R_AX_RESPBA_CAM_CTRL 0xCE3C #define R_AX_RESPBA_CAM_CTRL_C1 0xEE3C #define B_AX_SSN_SEL BIT(2) +#define B_AX_BACAM_RST_MASK GENMASK(1, 0) +#define S_AX_BACAM_RST_ALL 2 #define R_AX_PPDU_STAT 0xCE40 #define R_AX_PPDU_STAT_C1 0xEE40 |