netdev - Re: [PATCH 5/5] netfilter: xt_TEE: have cloned packet travel through Xtables too

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Message-ID: <4BBB634D.6050109@trash.net>
Date:	Tue, 06 Apr 2010 18:37:33 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Jan Engelhardt <jengelh@...ozas.de>
CC:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 5/5] netfilter: xt_TEE: have cloned packet travel through
 Xtables too

Jan Engelhardt wrote:
> On Thursday 2010-04-01 15:22, Patrick McHardy wrote:
>>> Or should we be using skb_alloc and copying the data portion over, like 
>>> ipt_REJECT does since v2.6.24-2931-g9ba99b0?
>> I guess pskb_copy() would be most optimal since we can modify
>> the header, but the non-linear area could be shared
> 
> Trying to improve my understanding: when doing skb_pull,
> does the skb->head that is relevant for pskb_copy move?

skb_pull() only changes skb->data.
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