netdev - Re: [PATCH 2/3 nf-next] netfilter:nf_flow_table: Support bridge type flow offload

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Message-ID: <20190627125839.t56fnptdeqixt7wd@salvia>
Date:   Thu, 27 Jun 2019 14:58:39 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     wenxu <wenxu@...oud.cn>
Cc:     Florian Westphal <fw@...len.de>, netfilter-devel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 2/3 nf-next] netfilter:nf_flow_table: Support bridge type
 flow offload

On Thu, Jun 27, 2019 at 02:22:36PM +0800, wenxu wrote:
> On 6/27/2019 3:19 AM, Florian Westphal wrote:
> > Florian Westphal <fw@...len.de> wrote:
[...]
> >> Whats the idea with this patch?
> >>
> >> Do you see a performance improvement when bypassing bridge layer? If so,
> >> how much?
> >>
> >> I just wonder if its really cheaper than not using bridge conntrack in
> >> the first place :-)
> 
> This patch is based on the conntrack function in bridge.  It will
> bypass the fdb lookup and conntrack lookup to get the performance 
> improvement. The more important things for hardware offload in the
> future with nf_tables add hardware offload support

Florian would like to see numbers / benchmark.