netdev - Re: [PATCH 7/12] [IPSEC]: Remove xfrmX_tunnel_check

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Date:	Tue, 16 Oct 2007 23:17:38 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 7/12] [IPSEC]: Remove xfrmX_tunnel_check_size

On Tue, Oct 16, 2007 at 04:38:04PM +0200, Patrick McHardy wrote:
>
> Thats true, but for the first case we actually have something in the
> stack doing that, which is NAT and routing by fwmark. Maybe netfilter
> should just send an ICMP error back, that would also solve the problem
> of silently dropped packets when rerouting to an unreachable
> destination.

Crap, NAT is now bane :)

OK Dave, please scratch everything starting from patch 7.
The first 6 patches should be OK though, unless something
else comes up :)

Patrick, my plan to solve this is to move the POST_ROUTING
calls up one-level.  So we'd call them from ip_forward_finish
and where we currently call dst_output.

Let me play with this and see how it turns out.

Thanks,
-- 
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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