From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Vasily Averin <vvs@parallels.com>
Cc: bridge@lists.linux-foundation.org,
Florian Westphal <fw@strlen.de>,
Patrick McHardy <kaber@trash.net>,
Stephen Hemminger <stephen@networkplumber.org>,
netfilter-devel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH 1/1] superfluous skb->nfct check in br_nf_dev_queue_xmit
Date: Mon, 28 Apr 2014 16:32:55 +0200 [thread overview]
Message-ID: <20140428143255.GA28793@localhost> (raw)
In-Reply-To: <535E64D2.7080700@parallels.com>
On Mon, Apr 28, 2014 at 06:25:22PM +0400, Vasily Averin wrote:
> >> Therefore I believe that my patch is still correct, however now I think we also need
> >> to remove #if IS_ENABLED(CONFIG_NF_CONNTRACK_IPV4) in br_nf_dev_queue_xmit().
> >
> > I don't think so, DEFRAG_IPV4 is dependency glue, so it shouldn't be
> > possible to build kernel with CONNTRACK_IPV4=n and DEFRAG_IPV4=(m|y).
>
> Could you please explain, why this #ifdef is required?
>
> I'm going to remove this #ifdef because it was added together with nfct check.
>
> Also I believe you are wrong with dependencies:
> NF_CONNTRACK_IPV4 forces NF_DEFRAG_IPV4, not vice versa
That's fine. Basically nf_conntrack *always* requires defragmentation.
But defragmentation is also required by tproxy, which doesn't force
you to have nf_conntrack.
> net/ipv4/netfilter/Kconfig
> config NF_DEFRAG_IPV4
> tristate
> default n
>
> config NF_CONNTRACK_IPV4
> tristate "IPv4 connection tracking support (required for NAT)"
> depends on NF_CONNTRACK
> default m if NETFILTER_ADVANCED=n
> select NF_DEFRAG_IPV4
>
>
> --
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next prev parent reply other threads:[~2014-04-28 14:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <534FB7D2.3020705@parallels.com>
2014-04-20 5:33 ` [PATCH 1/1] superfluous skb->nfct check in br_nf_dev_queue_xmit Vasily Averin
2014-04-24 16:32 ` Florian Westphal
2014-04-28 12:37 ` Vasily Averin
2014-04-28 13:16 ` Florian Westphal
2014-04-28 14:25 ` Vasily Averin
2014-04-28 14:32 ` Pablo Neira Ayuso [this message]
2014-04-30 9:06 ` Vasily Averin
2014-04-30 8:54 ` [PATCH] bridge: Superfluous " Vasily Averin
2014-04-30 9:39 ` Pablo Neira Ayuso
2014-04-30 10:02 ` Florian Westphal
2014-05-04 12:54 ` Pablo Neira Ayuso
2014-05-04 19:04 ` Vasily Averin
2014-05-04 19:25 ` Pablo Neira Ayuso
2014-05-04 20:17 ` [PATCH v2] bridge: superfluous " Vasily Averin
2014-05-05 14:07 ` Pablo Neira Ayuso
2014-04-29 14:10 ` [PATCH 1/1] " Patrick McHardy
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