Commit 18175197 authored by Ping-Ke Shih's avatar Ping-Ke Shih Committed by Kalle Valo
Browse files

rtw89: reset BA CAM 



BA CAM is used to react receiving AMPDU packets, so reset them to be
expected initial state.

Signed-off-by: default avatarPing-Ke Shih <pkshih@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220408001353.17188-7-pkshih@realtek.com
parent 9a1ab283

drivers/net/wireless/realtek/rtw89/mac.c

+18 −0
Original line number Diff line number Diff line
@@ -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);

drivers/net/wireless/realtek/rtw89/reg.h

+2 −0
Original line number Diff line number Diff line
@@ -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