netdev - Re: bridge: Respect call-iptables sysctls everywhere

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Date:	Sun, 5 Oct 2014 18:18:04 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Florian Westphal <fw@...len.de>
Cc:	netfilter-devel@...r.kernel.org, bsd@...hat.com,
	stephen@...workplumber.org, netdev@...r.kernel.org,
	eric.dumazet@...il.com, davidn@...idnewall.com,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: bridge: Respect call-iptables sysctls everywhere

On Sun, Oct 05, 2014 at 11:13:43AM +0200, Florian Westphal wrote:
> Herbert Xu <herbert@...dor.apana.org.au> wrote:
> > On Sat, Oct 04, 2014 at 08:06:47PM +0200, Florian Westphal wrote:
> > >
> > > Fair enough.  We lose frag_max_size information from ipv4 defrag,
> > 
> > While reviewing this code it occured to me that we have a serious
> > bug in that call-iptables sysctls aren't even respected in FORWARD
> > and POST_ROUTING.  Here is a patch that fixes this.
> 
> Upcalls to iptables in FORWARD/POSTROUTING depend on skb->nf_bridge
> being set up, which only happens when call-iptables=1.

Good point.  So we can discard this patch.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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