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

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Date:   Fri, 28 Jun 2019 17:51:05 +0800
From:   wenxu <wenxu@...oud.cn>
To:     Florian Westphal <fw@...len.de>
Cc:     Pablo Neira Ayuso <pablo@...filter.org>,
        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 6/28/2019 2:06 PM, Florian Westphal wrote:
> 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?

There is no other connection  on the bridge in zone 2

>
> Is this with CONFIG_RETPOLINE=y (just curious)?
Yes, it is enable.