diff mbox series

[2/7] wifi: rtw89: mac: set NAV upper to 25ms

Message ID 20220916033811.13862-3-pkshih@realtek.com
State New
Headers show
Series wifi: rtw89: correct MAC and TX descriptor settings | expand

Commit Message

Ping-Ke Shih Sept. 16, 2022, 3:38 a.m. UTC 
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>
---
 drivers/net/wireless/realtek/rtw89/mac.c | 2 +-
 drivers/net/wireless/realtek/rtw89/reg.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 7da0c1aa96cb9..209d17a012634 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/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;
 }
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index ffebb24de7054..32605841c98c4 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/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