From 7146e5aeff6d6874b423bb97955281f3b5dee638 Mon Sep 17 00:00:00 2001 From: Peter Chiu Date: Fri, 16 Aug 2024 17:46:26 +0800 Subject: [PATCH] wifi: mt76: mt7996: fix traffic delay when switching back to working channel [ Upstream commit 376200f095d0c3a7096199b336204698d7086279 ] 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 Signed-off-by: Shayne Chen Link: https://patch.msgid.link/20240816094635.2391-2-shayne.chen@mediatek.com Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7996/main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c index 7fea9f0d409bf..85f6a9f4f188c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c @@ -287,6 +287,10 @@ 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); -- 2.47.3