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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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)?