From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH] add new iptables ipt_connbytes match
Date: Fri, 12 Aug 2005 13:57:48 +0200
Message-ID: <42FC8EBC.1070505@trash.net>
References: <20050811200349.GN5353@rama.de.gnumonks.org>	<20050811.154204.102613246.davem@davemloft.net>
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To: Andi Kleen <ak@suse.de>
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Andi Kleen wrote:
> "David S. Miller" <davem@davemloft.net> writes:
>>
>>Won't work in x86 --> x86_64 compat environments.
> 
> Thanks for catching it.
> 
> The aligned u64 trick probably will
> 
> #define aligned_u64 unsigned long long __attribute__((aligned(8)))
> 
> It just forces i386 to be aligned too.
> 
> Then use aligned_u64 instead of u64/__u64/u_int64_t in all user visible 
> places. Similar for signed types.

Unfortunately one of the iptables structures which is needed to get the
ruleset in the kernel (ipt_replace) is differently sized when compiled
for 32/64 bit. IIRC it doesn't work at all currently.