Re: [PATCH v3 2/2] netfilter: xt_addrtype: ipv6 support

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Patrick McHardy <kaber@xxxxxxxxx> wrote:
> On 15.03.2011 19:49, Florian Westphal wrote:
[..]
> > +		rt = rt6_lookup(net, addr, NULL, ifindex, !!dev);
> 
> Florian, I just noticed that this will pull in the IPv6 module just
> by loading the xt_addrtype module. Can we convert this to use
> nf_ip6_afinfo->route() instead?

I tried this, but i found two issues:
- no netns support (nf_ip6_route passed init_net)
- its not possible to ask for RT6_LOOKUP_F_IFACE flag in the
  underlying fib6_rule_lookup() call.

But AFAICT the latter is needed to support the '--limit-iface-in/out'
option.

Any idea?

Otherwise I think I'll have a go at extending afinfo->route() to pass
in struct net* and a 'strict' argument (i.e. what rt6_lookup() has).

Unfortunately that would have to wait for 2.6.40...

Thanks,
Florian
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