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Subject: Re: [PATCH] wcn36xx: Fix packet drop on resume
From:   Kalle Valo <kvalo@codeaurora.org>
In-Reply-To: <1635150496-19290-1-git-send-email-loic.poulain@linaro.org>
References: <1635150496-19290-1-git-send-email-loic.poulain@linaro.org>
To:     Loic Poulain <loic.poulain@linaro.org>
Cc:     wcn36xx@lists.infradead.org, linux-wireless@vger.kernel.org,
        bryan.odonoghue@linaro.org, Loic Poulain <loic.poulain@linaro.org>
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Message-ID: <163532073140.19793.15142277234167188503.kvalo@codeaurora.org>
Date:   Wed, 27 Oct 2021 07:45:34 +0000 (UTC)
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Loic Poulain <loic.poulain@linaro.org> wrote:

> If the system is resumed because of an incoming packet, the wcn36xx RX
> interrupts is fired before actual resuming of the wireless/mac80211
> stack, causing any received packets to be simply dropped. E.g. a ping
> request causes a system resume, but is dropped and so never forwarded
> to the IP stack.
> 
> This change fixes that, disabling DMA interrupts on suspend to no pass
> packets until mac80211 is resumed and ready to handle them.
> 
> Note that it's not incompatible with RX irq wake.
> 
> Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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

df0697801d8a wcn36xx: Fix packet drop on resume

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1635150496-19290-1-git-send-email-loic.poulain@linaro.org/

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