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Date:	Tue, 17 Feb 2009 09:52:00 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Karl Hiramoto <karl@...amoto.org>, netdev@...r.kernel.org,
	netfilter@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: problem with IPoA (CLIP),  NAT, and VLANS

On Tue, Feb 17, 2009 at 10:03:57AM +0100, Patrick McHardy wrote:
...
> The first patch looks fine. As for the second one, I would like
> to understand why we're seing these packets. The VLAN driver uses
> the original headroom plus the space it needs itself, which suggests
> that the underlying driver specifies an incorrect headroom.
> The driver doesn't appear to be part of the mainline kernel though.

On the other hand, if Karl added his patch it seems this change of
NET_SKB_PAD isn't enough, and if omitting skb_cow_head() works, then
the headroom isn't the main problem?

Jarek P.
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