[PATCH AUTOSEL 6.0 43/77] wifi: rtw89: fix rx filter after scan

Sasha Levin
2022-10-09T22:44:26Z

From: Po-Hao Huang <phhuang@realtek.com>

[ Upstream commit 812825c2b204c491f1a5586c602e4ac75060493a ]

In monitor mode we should be able to received all packets even if it's not
destined to us. But after scan, the configuration was wrongly set, so we
fix it.

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/20220916033811.13862-7-pkshih@realtek.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/realtek/rtw89/fw.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index 6473015a6b2a..c993fe9cf6b4 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -2289,6 +2289,7 @@ void rtw89_hw_scan_start(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif,
{
struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv;
struct cfg80211_scan_request *req = &scan_req->req;
+ u32 rx_fltr = rtwdev->hal.rx_fltr;
u8 mac_addr[ETH_ALEN];

rtwdev->scan_info.scanning_vif = vif;
@@ -2303,13 +2304,13 @@ void rtw89_hw_scan_start(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif,
ether_addr_copy(mac_addr, vif->addr);
rtw89_core_scan_start(rtwdev, rtwvif, mac_addr, true);

- rtwdev->hal.rx_fltr &= ~B_AX_A_BCN_CHK_EN;
- rtwdev->hal.rx_fltr &= ~B_AX_A_BC;
- rtwdev->hal.rx_fltr &= ~B_AX_A_A1_MATCH;
+ rx_fltr &= ~B_AX_A_BCN_CHK_EN;
+ rx_fltr &= ~B_AX_A_BC;
+ rx_fltr &= ~B_AX_A_A1_MATCH;
rtw89_write32_mask(rtwdev,
rtw89_mac_reg_by_idx(R_AX_RX_FLTR_OPT, RTW89_MAC_0),
B_AX_RX_FLTR_CFG_MASK,
- rtwdev->hal.rx_fltr);
+ rx_fltr);
}

void rtw89_hw_scan_complete(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif,
@@ -2323,9 +2324,6 @@ void rtw89_hw_scan_complete(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif,
if (!vif)
return;

- rtwdev->hal.rx_fltr |= B_AX_A_BCN_CHK_EN;
- rtwdev->hal.rx_fltr |= B_AX_A_BC;
- rtwdev->hal.rx_fltr |= B_AX_A_A1_MATCH;
rtw89_write32_mask(rtwdev,
rtw89_mac_reg_by_idx(R_AX_RX_FLTR_OPT, RTW89_MAC_0),
B_AX_RX_FLTR_CFG_MASK,
--
2.35.1