iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

rtw89: reset BA CAM

Browse Source 
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
This commit is contained in:
Ping-Ke Shih 2022-04-08 08:13:46 +08:00 committed by Kalle Valo
parent 9a1ab283c7
commit 1817519701
2 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/net/wireless/realtek/rtw89/mac.c
View File

@ -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);

2
drivers/net/wireless/realtek/rtw89/reg.h
View File

@ -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