wifi: brcmfmac: fix continuous 802.1x tx pending timeout error

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The race condition in brcmf_msgbuf_txflow and brcmf_msgbuf_delete_flowring
makes tx_msghdr writing after brcmf_msgbuf_remove_flowring. Host
driver should delete flowring after txflow complete and all txstatus back,
or pend_8021x_cnt will never be zero and cause every connection 950
milliseconds(MAX_WAIT_FOR_8021X_TX) delay.

Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220722115632.620681-2-alvin@pqrs.dk

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Wright Feng 2022-07-22 13:56:26 +02:00 • committed by Kalle Valo

parent bafe9528b7

commit 0fa24196e4

2 changed files with 25 additions and 2 deletions

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4

drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c

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23

drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c

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