git.maquefel.me Git - linux.git/commit

author	Felix Fietkau <nbd@nbd.name>
	Tue, 29 Aug 2023 08:39:53 +0000 (10:39 +0200)
committer	Felix Fietkau <nbd@nbd.name>
	Sat, 30 Sep 2023 18:03:03 +0000 (20:03 +0200)
commit	0335c034e7265d36d956e806f33202c94a8a9860
tree	135dabd2b968ab97d046a84aa39df63151fa20b1	tree \| snapshot
parent	debd133ab2e2e06989c24e1a72be2b7997f30456	commit \| diff

wifi: mt76: fix race condition related to checking tx queue fill status

When drv_tx calls race against local tx scheduling, the queue fill status checks
can potentially race, leading to dma queue entries being overwritten.
Fix this by deferring packets from drv_tx calls to the tx worker, in order to
ensure that all regular queue tx comes from the same context.

Reported-by: Ryder Lee <Ryder.Lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

ep93xx device tree rework repo: git://git.maquefel.me/linux.git

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drivers/net/wireless/mediatek/mt76/mac80211.c		diff \| blob \| history
drivers/net/wireless/mediatek/mt76/mt76.h		diff \| blob \| history
drivers/net/wireless/mediatek/mt76/mt7603/main.c		diff \| blob \| history
drivers/net/wireless/mediatek/mt76/mt7615/main.c		diff \| blob \| history
drivers/net/wireless/mediatek/mt76/mt76x02_util.c		diff \| blob \| history
drivers/net/wireless/mediatek/mt76/mt7915/main.c		diff \| blob \| history
drivers/net/wireless/mediatek/mt76/mt7921/main.c		diff \| blob \| history
drivers/net/wireless/mediatek/mt76/mt792x_core.c		diff \| blob \| history
drivers/net/wireless/mediatek/mt76/mt7996/main.c		diff \| blob \| history
drivers/net/wireless/mediatek/mt76/tx.c		diff \| blob \| history