From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH */3] several messages
Date: Fri, 26 Jan 2007 17:18:18 +0100
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To: Jan Engelhardt <jengelh@linux01.gwdg.de>
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Jan Engelhardt wrote:
> Did you pick up this question:
> 
> BTW, ip_nat_rule.c <-> nf_nat_rule.c seems to be an almost identical
> copy. Schedule one for removal?

ip_nat and all related code will be removed in 2.6.22.

> There is yet more to xt-ify, like (just look at all the #defines ip xt 
> in linux/netfilter_ipv4/ip_tables.h and ip6_tables.h). However, I was 
> not sure if some of the macros actually do get used by userspace code. 
> Mind filling me in?

Basically anything outside of #ifdef __KERNEL__ needs to stay around
for userspace, at least for now. Long term I would prefer to make
userspace not use any headers from the kernel tree directly.