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wifi: mt76: mt7996: fix traffic delay when switching back to working channel

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BugLink: https://bugs.launchpad.net/bugs/2089340

[ 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: 98686cd216 ("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>
Link: https://patch.msgid.link/20240816094635.2391-2-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Peter Chiu
2024-08-16 17:46:26 +08:00
committed by Mehmet Basaran
parent bd0259b54b
commit 0d6efb55c0
1 changed files with 4 additions and 0 deletions
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drivers/net/wireless/mediatek/mt76/mt7996/main.c
+4
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@@ -295,6 +295,10 @@ 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);