wifi: rtw88: Stop high queue during scan

When traversing channel list, TX in high queue should be disabled
along with beacon function, so packets won't be sent to incorrect
channels.
Signed-off-by: Po-Hao Huang <phhuang@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/20230616125540.36877-5-pkshih@realtek.com

drivers/net/wireless/realtek/rtw88/main.c

@@ -2403,10 +2403,13 @@ void rtw_core_enable_beacon(struct rtw_dev *rtwdev, bool enable)
 	if (!rtwdev->ap_active)
 		return;
 
-	if (enable)
+	if (enable) {
 		rtw_write32_set(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION);
-	else
+		rtw_write32_clr(rtwdev, REG_TXPAUSE, BIT_HIGH_QUEUE);
+	} else {
 		rtw_write32_clr(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION);
+		rtw_write32_set(rtwdev, REG_TXPAUSE, BIT_HIGH_QUEUE);
+	}
 }
 
 MODULE_AUTHOR("Realtek Corporation");

drivers/net/wireless/realtek/rtw88/reg.h

@@ -378,6 +378,7 @@
 #define BIT_SIFS_BK_EN		BIT(12)
 #define REG_TXPAUSE		0x0522
 #define BIT_AC_QUEUE		GENMASK(7, 0)
+#define BIT_HIGH_QUEUE		BIT(5)
 #define REG_RD_CTRL		0x0524
 #define BIT_EDCCA_MSK_CNTDOWN_EN BIT(11)
 #define BIT_DIS_TXOP_CFE	BIT(10)