netdev - Re: [PATCH net 1/1] net/sched: act_ct: Fix flow table lookup after ct clear or switching zones

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Date:   Thu, 17 Feb 2022 20:09:57 -0300
From:   Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:     Paul Blakey <paulb@...dia.com>
Cc:     dev@...nvswitch.org, netdev@...r.kernel.org,
        Jamal Hadi Salim <jhs@...atatu.com>, davem@...emloft.net,
        Jiri Pirko <jiri@...dia.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jakub Kicinski <kuba@...nel.org>, Oz Shlomo <ozsh@...dia.com>,
        Vlad Buslov <vladbu@...dia.com>, Roi Dayan <roid@...dia.com>,
        Ariel Levkovich <lariel@...dia.com>
Subject: Re: [PATCH net 1/1] net/sched: act_ct: Fix flow table lookup after
 ct clear or switching zones

On Thu, Feb 17, 2022 at 11:30:48AM +0200, Paul Blakey wrote:
> Flow table lookup is skipped if packet either went through ct clear
> action (which set the IP_CT_UNTRACKED flag on the packet), or while
> switching zones and there is already a connection associated with
> the packet. This will result in no SW offload of the connection,
> and the and connection not being removed from flow table with
> TCP teardown (fin/rst packet).
> 
> To fix the above, remove these unneccary checks in flow
> table lookup.
> 
> Fixes: 46475bb20f4b ("net/sched: act_ct: Software offload of established flows")
> Signed-off-by: Paul Blakey <paulb@...dia.com>

Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>