netdev - Re: [PATCH] vlan: Fix the ingress VLAN_FLAG_REORDER

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Message-ID: <BANLkTikM1TuO_S9LuJv30uV9oGgLjE09Xw@mail.gmail.com>
Date:	Fri, 3 Jun 2011 11:59:26 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	padmanabh ratnakar <pratnakarlx@...il.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	David Miller <davem@...emloft.net>,
	shemminger@...ux-foundation.org, greearb@...delatech.com,
	nicolas.2p.debian@...il.com, jpirko@...hat.com,
	netdev@...r.kernel.org, kaber@...sh.net, fubar@...ibm.com,
	eric.dumazet@...il.com, andy@...yhouse.net, jesse@...ira.com
Subject: Re: [PATCH] vlan: Fix the ingress VLAN_FLAG_REORDER_HDR check v2

On Fri, Jun 3, 2011 at 11:34 AM, padmanabh ratnakar
<pratnakarlx@...il.com> wrote:
> Doesnt __vlan_put_tag()/vlan_insert_tag() depend on skb->data pointing
> to ethernet header.
> Is'nt the skb->data pointing past ethernet header in netif_receive_skb().
> Am I missing anything?

Yes, you are right. skb->data should be adjusted before feeding to
vlan_insert_tag(), or we make vlan_insert_tag() rely on
skb->mac_header instead.

-- 
Regards,
Changli Gao(xiaosuo@...il.com)
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