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Date:	Fri, 16 Nov 2007 15:46:26 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	Joonwoo Park <joonwpark81@...il.com>, netdev@...r.kernel.org,
	'David Miller' <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, greearb@...delatech.com, w@....eu,
	cfriesen@...tel.com, djohnson+linux-kernel@...starentnetworks.com,
	e1000-devel@...ts.sourceforge.net,
	"'Kok, Auke'" <auke-jan.h.kok@...el.com>
Subject: Re: FW: [PATCH 2/2] [e1000 VLAN] Disable vlan hw accel when promiscuous
 mode

Herbert Xu wrote:
> BTW, how does the VLAN TX acceleration work at all? It's using
> skb->cb to carry the tags but then calls dev_queue_xmit.  Once
> you do that packet schedulers can scribble all over skb->cb.
> 
> Also vlan_skb_recv should be moved out-of-line.  It's absolutely
> humongous.  It'll generate tail-calls anyway so performance-wise
> it's useless.


I have a number of VLAN cleanups queued and intend to do these
two changes on top.

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