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

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Message-ID: <20190628060617.az2quv4bodrenuli@breakpoint.cc>
Date:   Fri, 28 Jun 2019 08:06:17 +0200
From:   Florian Westphal <fw@...len.de>
To:     wenxu <wenxu@...oud.cn>
Cc:     Pablo Neira Ayuso <pablo@...filter.org>,
        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

wenxu <wenxu@...oud.cn> wrote:
> ns21 iperf to 10.0.0.8 with dport 22 in ns22
> first time with OFFLOAD enable
> 
> nft add flowtable bridge firewall fb2 { hook ingress priority 0 \; devices = { veth21, veth22 } \; }
> nft add chain bridge firewall ftb-all {type filter hook forward priority 0 \; policy accept \; }
> nft add rule bridge firewall ftb-all counter ct zone 2 ip protocol tcp flow offload @fb2
> 
> # iperf -c 10.0.0.8 -p 22 -t 60 -i2
[..]
> [  3]  0.0-60.0 sec   353 GBytes  50.5 Gbits/sec
> 
> The second time on any offload:
> # iperf -c 10.0.0.8 -p 22 -t 60 -i2
> [  3]  0.0-60.0 sec   271 GBytes  38.8 Gbits/sec

Wow, this is pretty impressive.  Do you have numbers without
offload and no connection tracking?

Is this with CONFIG_RETPOLINE=y (just curious)?