This is a note to let you know that I've just added the patch titled
wifi: mt76: mt7915: disable tx worker during tx BA session enable/disable
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mt76-mt7915-disable-tx-worker-during-tx-ba-sess.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 6c0051238d87a9a2627d885d4594cdbf510857c3
Author: Felix Fietkau <nbd@xxxxxxxx>
Date: Tue Aug 27 11:29:54 2024 +0200
wifi: mt76: mt7915: disable tx worker during tx BA session enable/disable
[ Upstream commit 256cbd26fbafb30ba3314339106e5c594e9bd5f9 ]
Avoids firmware race condition.
Link: https://patch.msgid.link/20240827093011.18621-7-nbd@xxxxxxxx
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 272e55ef8e2d2..5fba103bfd65d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -688,13 +688,17 @@ int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
{
struct mt7915_sta *msta = (struct mt7915_sta *)params->sta->drv_priv;
struct mt7915_vif *mvif = msta->vif;
+ int ret;
+ mt76_worker_disable(&dev->mt76.tx_worker);
if (enable && !params->amsdu)
msta->wcid.amsdu = false;
+ ret = mt76_connac_mcu_sta_ba(&dev->mt76, &mvif->mt76, params,
+ MCU_EXT_CMD(STA_REC_UPDATE),
+ enable, true);
+ mt76_worker_enable(&dev->mt76.tx_worker);
- return mt76_connac_mcu_sta_ba(&dev->mt76, &mvif->mt76, params,
- MCU_EXT_CMD(STA_REC_UPDATE),
- enable, true);
+ return ret;
}
int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
