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authorPing-Ke Shih <[email protected]>2022-11-25 15:24:16 +0800
committerKalle Valo <[email protected]>2022-12-01 13:02:31 +0200
commita215b2b7055f02d8f7666f457d442e77097bb604 (patch)
treed0f66588a8254bb7903a8a3013fb62c3d0ec5d36
parent51e8ed4e44b5efcf8da2c1f3478e52120a12cdf8 (diff)
wifi: rtw89: 8852b: turn off PoP function in monitor mode
PoP stands for Packet on Packet that can improve performance in noisy environment, but it could get RX stuck suddenly. In normal mode, firmware can help to resolve the stuck, but firmware doesn't work in monitor mode. Therefore, turn off PoP to avoid RX stuck. Signed-off-by: Ping-Ke Shih <[email protected]> Signed-off-by: Kalle Valo <[email protected]> Link: https://lore.kernel.org/r/[email protected]
-rw-r--r--drivers/net/wireless/realtek/rtw89/reg.h2
-rw-r--r--drivers/net/wireless/realtek/rtw89/rtw8852b.c7
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index dbe06542f443..f2634062f377 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -4236,6 +4236,8 @@
#define R_P1_NBIIDX 0x4770
#define B_P1_NBIIDX_VAL GENMASK(11, 0)
#define B_P1_NBIIDX_NOTCH_EN BIT(12)
+#define R_PKT_CTRL 0x47D4
+#define B_PKT_POP_EN BIT(8)
#define R_SEG0R_PD 0x481C
#define R_SEG0R_PD_V1 0x4860
#define B_SEG0R_PD_SPATIAL_REUSE_EN_MSK_V1 BIT(30)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index 2d4d572dc601..b635ac1d1ca2 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -1411,6 +1411,12 @@ static void rtw8852b_bb_sethw(struct rtw89_dev *rtwdev)
rtw89_phy_read32_mask(rtwdev, R_P1_RPL1, B_P0_RPL1_BIAS_MASK);
}
+static void rtw8852b_bb_set_pop(struct rtw89_dev *rtwdev)
+{
+ if (rtwdev->hw->conf.flags & IEEE80211_CONF_MONITOR)
+ rtw89_phy_write32_clr(rtwdev, R_PKT_CTRL, B_PKT_POP_EN);
+}
+
static void rtw8852b_set_channel_bb(struct rtw89_dev *rtwdev, const struct rtw89_chan *chan,
enum rtw89_phy_idx phy_idx)
{
@@ -1441,6 +1447,7 @@ static void rtw8852b_set_channel_bb(struct rtw89_dev *rtwdev, const struct rtw89
rtw89_phy_write32_mask(rtwdev, R_MAC_PIN_SEL, B_CH_IDX_SEG0,
chan->primary_channel);
rtw8852b_5m_mask(rtwdev, chan, phy_idx);
+ rtw8852b_bb_set_pop(rtwdev);
rtw8852b_bb_reset_all(rtwdev, phy_idx);
}