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[02/12] wifi: mt76: mt7996: fix traffic delay when switching back to working channel

Message ID 20240816094635.2391-2-shayne.chen@mediatek.com (mailing list archive)
State Accepted
Delegated to: Felix Fietkau
Headers show
Series [01/12] wifi: mt76: mt7996: use hweight16 to get correct tx antenna | expand

Commit Message

Shayne Chen Aug. 16, 2024, 9:46 a.m. UTC 
From: Peter Chiu <chui-hao.chiu@mediatek.com>

During scanning, UNI_CHANNEL_RX_PATH tag is necessary for the firmware to
properly stop and resume MAC TX queue. Without this tag, HW needs more time
to resume traffic when switching back to working channel.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7996/main.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
index bce082038219..f3f78e11a65f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
@@ -307,6 +307,10 @@  int mt7996_set_channel(struct mt7996_phy *phy)
 	if (ret)
 		goto out;
 
+	ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH);
+	if (ret)
+		goto out;
+
 	ret = mt7996_dfs_init_radar_detector(phy);
 	mt7996_mac_cca_stats_reset(phy);