wifi: rtw89: mac: set NAV upper to 25ms

NAV upper register is to limit the maximum NAV value to prevent
unexpected NAV, but the old setting is too small to reflect NAV from
AP transmiting big MPDU at once.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220916033811.13862-3-pkshih@realtek.com

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

@@ -1936,7 +1936,7 @@ static int nav_ctrl_init(struct rtw89_dev *rtwdev)
 	rtw89_write32_set(rtwdev, R_AX_WMAC_NAV_CTL, B_AX_WMAC_PLCP_UP_NAV_EN |
 						     B_AX_WMAC_TF_UP_NAV_EN |
 						     B_AX_WMAC_NAV_UPPER_EN);
-	rtw89_write32_mask(rtwdev, R_AX_WMAC_NAV_CTL, B_AX_WMAC_NAV_UPPER_MASK, NAV_12MS);
+	rtw89_write32_mask(rtwdev, R_AX_WMAC_NAV_CTL, B_AX_WMAC_NAV_UPPER_MASK, NAV_25MS);
 
 	return 0;
 }

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

@@ -2618,6 +2618,7 @@
 #define B_AX_WMAC_TF_UP_NAV_EN BIT(16)
 #define B_AX_WMAC_NAV_UPPER_MASK GENMASK(15, 8)
 #define NAV_12MS 0xBC
+#define NAV_25MS 0xC4
 #define B_AX_WMAC_RTS_RST_DUR_MASK GENMASK(7, 0)
 
 #define R_AX_RXTRIG_TEST_USER_2 0xCCB0