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Subject: Re: [PATCH] ath10k: set WMI_PEER_AUTHORIZE after a firmware crash
From:   Kalle Valo <kvalo@codeaurora.org>
In-Reply-To: <0101016eaadee57a-54500c6d-4751-423f-8bab-5acd8fad2175-000000@us-west-2.amazonses.com>
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To:     Wen Gong <wgong@codeaurora.org>
Cc:     ath10k@lists.infradead.org, linux-wireless@vger.kernel.org
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Date:   Fri, 29 Nov 2019 07:43:42 +0000
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Wen Gong <wgong@codeaurora.org> wrote:

> After the firmware crashes ath10k recovers via ieee80211_reconfig(),
> which eventually leads to firmware configuration and including the
> encryption keys. However, because there is no new auth/assoc and
> 4-way-handshake, and firmware set the authorize flag after
> 4-way-handshake, so the authorize flag in firmware is not set in
> firmware without 4-way-handshake. This will lead to a failure of data
> transmission after recovery done when using encrypted connections like
> WPA-PSK. Set authorize flag after installing keys to firmware will fix
> the issue.
> 
> This was noticed by testing firmware crashing using simulate_fw_crash
> debugfs file.
> 
> Tested with QCA6174 SDIO with firmware WLAN.RMH.4.4.1-00007-QCARMSWP-1.
> 
> Signed-off-by: Wen Gong <wgong@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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

382e51c139ef ath10k: set WMI_PEER_AUTHORIZE after a firmware crash

-- 
https://patchwork.kernel.org/patch/11263357/

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