netdev - Re: [1/6] wifi: brcmfmac: fix continuous 802.1x tx pending timeout error

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Date:   Wed, 17 Aug 2022 08:34:32 +0000
From:   Alvin Šipraga <ALSI@...g-olufsen.dk>
To:     Kalle Valo <kvalo@...nel.org>
CC:     Alvin Šipraga <alvin@...s.dk>,
        Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Wright Feng <wright.feng@...ress.com>,
        Chi-hsien Lin <chi-hsien.lin@...ress.com>,
        Ahmad Fatoum <a.fatoum@...gutronix.de>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "brcm80211-dev-list.pdl@...adcom.com" 
        <brcm80211-dev-list.pdl@...adcom.com>,
        "SHA-cyfmac-dev-list@...ineon.com" <SHA-cyfmac-dev-list@...ineon.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [1/6] wifi: brcmfmac: fix continuous 802.1x tx pending timeout
 error

Hi Kalle,

On Wed, Aug 10, 2022 at 05:48:01AM +0000, Kalle Valo wrote:
> Alvin Šipraga <alvin@...s.dk> wrote:
> 
> > From: Wright Feng <wright.feng@...ress.com>
> > 
> > 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@...ress.com>
> > Signed-off-by: Chi-hsien Lin <chi-hsien.lin@...ress.com>
> > Signed-off-by: Ahmad Fatoum <a.fatoum@...gutronix.de>
> > Signed-off-by: Alvin Šipraga <alsi@...g-olufsen.dk>
> 
> 5 patches applied to wireless-next.git, thanks.
> 
> 0fa24196e425 wifi: brcmfmac: fix continuous 802.1x tx pending timeout error
> 09be7546a602 wifi: brcmfmac: fix scheduling while atomic issue when deleting flowring
> aa666b68e73f wifi: brcmfmac: fix invalid address access when enabling SCAN log level
> 5606aeaad01e wifi: brcmfmac: Fix to add brcmf_clear_assoc_ies when rmmod
> 2eee3db784a0 wifi: brcmfmac: Fix to add skb free for TIM update info when tx is completed

Thanks. Do you mind elaborating on why the 6th patch:

    brcmfmac: Update SSID of hidden AP while informing its bss to cfg80211 layer

was not applied?

Kind regards,
Alvin