netdev - Re: [PATCH 7/9] tproxy: added IPv6 support to the TPROXY target

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Date:	Thu, 21 Oct 2010 10:50:14 +0200
From:	KOVACS Krisztian <hidden@...abit.hu>
To:	Jan Engelhardt <jengelh@...ozas.de>
Cc:	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	Patrick McHardy <kaber@...sh.net>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH 7/9] tproxy: added IPv6 support to the TPROXY target

Hi,

On Thu, 2010-10-21 at 10:47 +0200, Jan Engelhardt wrote:
> On Wednesday 2010-10-20 13:21, KOVACS Krisztian wrote:
> > 
> > /* TPROXY target is capable of marking the packet to perform
> >  * redirection. We can get rid of that whenever we get support for
> >  * mutliple targets in the same rule. */
> >-struct xt_tproxy_target_info {
> >+struct xt_tproxy_target_info_v0 {
> > 	u_int32_t mark_mask;
> > 	u_int32_t mark_value;
> > 	__be32 laddr;
> > 	__be16 lport;
> > };
> 
> You cannot change the struct name either, or it may break userspace
> compilations.

True, though iptables has its own copy of the header anyway.

--KK


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