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Message-ID: <20070929233653.GA7319@gondor.apana.org.au>
Date: Sun, 30 Sep 2007 07:36:53 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Patrick McHardy <kaber@...sh.net>
Cc: davem@...emloft.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 05:21:23PM +0200, Patrick McHardy wrote:
>
> Unfortunately gcc doesn't perform tail call optimization when the
> address of a parameter or local variable is passed to an extern
> function before the tail call, which NF_HOOK does for the skb.
You mean the struct sk_buff **pskb bit? I've always wondered
why netfilter had to modify the skb. Could we perhaps make it
so that it doesn't need to do so?
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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