From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Florian Westphal <fw@strlen.de>
Cc: netfilter-devel@vger.kernel.org, ebiederm@xmission.com
Subject: Re: [PATCH nf-next 0/4] netfilter: xtables: don't register hooks by default
Date: Wed, 2 Mar 2016 20:15:03 +0100 [thread overview]
Message-ID: <20160302191503.GA4099@salvia> (raw)
In-Reply-To: <1456391318-11601-1-git-send-email-fw@strlen.de>
On Thu, Feb 25, 2016 at 10:08:34AM +0100, Florian Westphal wrote:
> This work changes xtables to register tables only
> when the ip(6)tables/arptables command is invoked inside a netns.
> Also changes br_netfilter to not add its sabotage hooks until
> a bridge is created inside the netns.
>
> The initial namespace isn't affected; hooks are still registered
> on module load time there.
>
> netperf receiver running in netns 1.
> init ns with empty mangle+filter table.
>
> Recv Send Send
> Socket Socket Message Elapsed
> Size Size Size Time Throughput
> bytes bytes bytes secs. 10^6bits/sec
>
> From ns2 (empty mangle + filter table):
> 87380 16384 16384 180.00 22034.90
> 87380 16384 16384 180.00 22355.71
> 87380 16384 16384 180.00 21906.88
>
> from ns3, no iptables invocations:
> 87380 16384 16384 180.00 23103.76
> 87380 16384 16384 180.00 22975.47
> 87380 16384 16384 180.00 22880.08
>
> -> ~4% delta.
>
> Changes since last iteration:
> - dropped the conntrack changes for now
> - split patch #2 to make review a bit easier
I have placed this in the nf-next tree, thanks Florian.
prev parent reply other threads:[~2016-03-02 19:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-25 9:08 [PATCH nf-next 0/4] netfilter: xtables: don't register hooks by default Florian Westphal
2016-02-25 9:08 ` [PATCH nf-next 1/4] netfilter: xtables: prepare for on-demand hook register Florian Westphal
2016-02-25 9:08 ` [PATCH v4 nf-next 2/4] netfilter: xtables: don't hook tables by default Florian Westphal
2016-02-25 9:08 ` [PATCH v4 nf-next 3/4] netfilter: bridge: register hooks only when bridge interface is added Florian Westphal
2016-02-25 9:08 ` [PATCH v4 nf-next 4/4] netfilter: don't call hooks unless needed Florian Westphal
2016-03-02 19:15 ` Pablo Neira Ayuso [this message]
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