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Subject: Re: [PATCH] ath11k: change management tx queue to avoid connection
 timed
 out
From:   Kalle Valo <kvalo@kernel.org>
In-Reply-To: <20220428023320.4007-1-quic_wgong@quicinc.com>
References: <20220428023320.4007-1-quic_wgong@quicinc.com>
To:     Wen Gong <quic_wgong@quicinc.com>
Cc:     <ath11k@lists.infradead.org>, <linux-wireless@vger.kernel.org>,
        <quic_wgong@quicinc.com>
User-Agent: pwcli/0.1.0-git (https://github.com/kvalo/pwcli/) Python/3.7.3
Message-ID: <165149986115.16977.2375062909122184081.kvalo@kernel.org>
Date:   Mon,  2 May 2022 13:57:43 +0000 (UTC)
Precedence: bulk

Wen Gong <quic_wgong@quicinc.com> wrote:

> In the phase of wlan load, it has hw scan and 11d scan which sent to
> firmware by ath11k, then hw scan and 11d scan will use about 14 seconds,
> and meanwhile ath11k_reg_update_chan_list() is running in workqueue of
> ath11k_base, and wait for 11d scan/hw scan finished. When the hw scan
> finished, mac80211 will start to connect and send management packet,
> at this moment, ath11k_reg_update_chan_list() is still waiting for 11d
> scan finished, so wmi_mgmt_tx_work of ath11k will not run and thus the
> tx management packet also not send out and lead authentication timed
> out.
> 
> log:
> INFO kernel: [  187.885322] wlan0: authenticate with 72:6c:57:43:9f:90
> INFO kernel: [  187.937266] wlan0: send auth to 72:6c:57:43:9f:90 (try 1/3)
> INFO kernel: [  188.626944] wlan0: send auth to 72:6c:57:43:9f:90 (try 2/3)
> INFO kernel: [  189.650999] wlan0: send auth to 72:6c:57:43:9f:90 (try 3/3)
> INFO kernel: [  190.651917] wlan0: authentication with 72:6c:57:43:9f:90 timed out
> 
> Change wmi_mgmt_tx_work to another queue workqueue_aux of ath11k_base,
> then connection success.
> 
> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3
> 
> Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>

Patch applied to ath-next branch of ath.git, thanks.

3a597f0d425b ath11k: change management tx queue to avoid connection timed out

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20220428023320.4007-1-quic_wgong@quicinc.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches