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Re: [PATCH v2 2/3] iwlwifi: mvm: start mac queues when deferred tx frames are purged

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Luca Coelho <luca@xxxxxxxxx> writes:

> From: Avraham Stern <avraham.stern@xxxxxxxxx>
>
> In AP mode, if a station is removed just as it is adding a new stream,
> the queue in question will remain stopped and no more TX will happen
> in this queue, leading to connection failures and other problems.
>
> This is because under DQA, when tx is deferred because a queue needs
> to be allocated, the mac queue for that TID is stopped until the new
> stream is added.  If at this point the station that this stream
> belongs to is removed, all the deferred tx frames are purged, but the
> mac queue is not restarted. As a result, all following tx on this
> queue will not be transmitted.
>
> Fix this by starting the relevant mac queues when the deferred tx
> frames are purged.
>
> Fixes: 24afba7690e4 ("iwlwifi: mvm: support bss dynamic alloc/dealloc of queues")
> Signed-off-by: Avraham Stern <avraham.stern@xxxxxxxxx>
> Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>

Looks good, thanks.

-- 
Kalle Valo



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