netdev - Re: [PATCH 5/5 v4] net: add old_queue

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Date:	Tue, 21 Dec 2010 08:07:17 -0500
From:	jamal <hadi@...erus.ca>
To:	Changli Gao <xiaosuo@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Tom Herbert <therbert@...gle.com>,
	Jiri Pirko <jpirko@...hat.com>, netdev@...r.kernel.org,
	netem@...ts.linux-foundation.org
Subject: Re: [PATCH 5/5 v4] net: add old_queue_mapping into skb->cb

On Fri, 2010-12-17 at 21:41 +0800, Changli Gao wrote:

Sorry for the latency - I am a little swamped.

> I doubt it can work.

It should work - this used to be part of my regression tests.
If it doesnt work something is broken.

In any case, I shouldnt have used this example because
it distracted from the point i was trying to make:
You are restoring the old qmap when the point is we could change
it to a new one. A simpler example illustrating how
a qmap could be changed:

----
tc filter add dev ifb0 parent 1:0 protocol ip prio 10 u32 \
 match u32 0 0 flowid 1:2 \
 action skbedit queue_mapping 4
---

cheers,
jamal

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