[PATCH] wcn36xx: Fix discarded frames due to wrong sequence number

Kalle Valo kvalo at codeaurora.org
Wed Oct 27 00:45:05 PDT 2021


Loic Poulain <loic.poulain at linaro.org> wrote:

> The firmware is offering features such as ARP offload, for which
> firmware crafts its own (QoS)packets without waking up the host.
> Point is that the sequence numbers generated by the firmware are
> not in sync with the host mac80211 layer and can cause packets
> such as firmware ARP reponses to be dropped by the AP (too old SN).
> 
> To fix this we need to let the firmware manages the sequence
> numbers by its own (except for QoS null frames). There is a SN
> counter for each QoS queue and one global/baseline counter for
> Non-QoS.
> 
> Fixes: 84aff52e4f57 ("wcn36xx: Use sequence number allocated by mac80211")
> Signed-off-by: Loic Poulain <loic.poulain at linaro.org>
> Tested-by: Bryan O'Donoghue <bryan.odonoghue at linaro.org>
> Signed-off-by: Kalle Valo <kvalo at codeaurora.org>

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

113f304dbc16 wcn36xx: Fix discarded frames due to wrong sequence number

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1635150336-18736-1-git-send-email-loic.poulain@linaro.org/

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




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