netdev - Re: [PATCH 5/5] net: add skb.old_queue

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Date:	Wed, 15 Dec 2010 07:40:32 -0500
From:	jamal <hadi@...erus.ca>
To:	Changli Gao <xiaosuo@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 5/5] net: add skb.old_queue_mapping

On Mon, 2010-12-13 at 22:43 +0800, Changli Gao wrote:
> For the skbs returned from ifb, we should use the queue_mapping
> saved before ifb.
> 
> We save old queue_mapping in old_queue_mapping just before calling 
> dev_queue_xmit, and restore the old_queue_mapping to queue_mapping
> just before reinjecting the skb.
> 
> dev_pick_tx() use the current queue_mapping for the skbs reinjected
> by ifb.

You are hard-coding policy here, no? ifb can do a lot of funky things
which change the nature of the flow. I can shape, i can edit packets
etc. Why is the queue mapping any different?

cheers,
jamal

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