netdev - Re: [PKT_SCHED]: Add stateless NAT

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Message-ID: <20070930002601.GB7502@gondor.apana.org.au>
Date:	Sun, 30 Sep 2007 08:26:01 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	kaber@...sh.net, hadi@...erus.ca, netdev@...r.kernel.org,
	kuznet@....inr.ac.ru
Subject: Re: [PKT_SCHED]: Add stateless NAT

On Sat, Sep 29, 2007 at 05:13:39PM -0700, David Miller wrote:
> 
> The reason is that if we have to COW or resize the SKB it
> could result in a realloc of the sk_buff struct which is
> why we need the **pskb thing.
> 
> But strangely I can't find any skbuff.h interfaces that
> require that any longer :-)))  So this might be some artifact
> that we can in fact kill off.

Indeed.  The only other case I can think of is defragmentation.
But even there we should be able to squeeze it into the original
skb :)

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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