netdev - Re: Is skb->queue_mapping valid for received packets?

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Message-ID: <20110614021631.GK21309@gospo.rdu.redhat.com>
Date:	Mon, 13 Jun 2011 22:16:31 -0400
From:	Andy Gospodarek <andy@...yhouse.net>
To:	Ben Greear <greearb@...delatech.com>
Cc:	NetDev <netdev@...r.kernel.org>
Subject: Re: Is skb->queue_mapping valid for received packets?

On Mon, Jun 13, 2011 at 06:59:45PM -0700, Ben Greear wrote:
>
> Anyone know if skb->queue_mapping is set for incoming packets, ie to
> notify which queue they came in on?  I can't find it set anywhere,
> and it appears it is sometimes set to 1 when it should be 0 in
> my system.
>
> Maybe it's never actually set, and I'm just reading some stale
> data?
>
> Thanks,
> Ben

Yes, it is set by calls to skb_record_rx_queue in various multiqueue-
capable ethernet drivers.  Where are you checking it and seeing the
incorrect value?

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