From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: Paul Blakey <paulb@nvidia.com>
Cc: dev@openvswitch.org, netdev@vger.kernel.org,
Jamal Hadi Salim <jhs@mojatatu.com>,
davem@davemloft.net, Jiri Pirko <jiri@nvidia.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
Jakub Kicinski <kuba@kernel.org>,
netfilter-devel@vger.kernel.org,
Pablo Neira Ayuso <pablo@netfilter.org>,
Jozsef Kadlecsik <kadlec@netfilter.org>,
Oz Shlomo <ozsh@nvidia.com>, Vlad Buslov <vladbu@nvidia.com>,
Roi Dayan <roid@nvidia.com>, Ariel Levkovich <lariel@nvidia.com>,
coreteam@netfilter.org
Subject: Re: [PATCH net 1/1] net/sched: act_ct: Fix flow table lookup failure with no originating ifindex
Date: Thu, 17 Feb 2022 20:16:03 -0300 [thread overview]
Message-ID: <20220217231603.st6tjefagkp636vq@t14s.localdomain> (raw)
In-Reply-To: <20220217093424.23601-1-paulb@nvidia.com>
On Thu, Feb 17, 2022 at 11:34:24AM +0200, Paul Blakey wrote:
> After cited commit optimizted hw insertion, flow table entries are
> populated with ifindex information which was intended to only be used
> for HW offload. This tuple ifindex is hashed in the flow table key, so
> it must be filled for lookup to be successful. But tuple ifindex is only
> relevant for the netfilter flowtables (nft), so it's not filled in
> act_ct flow table lookup, resulting in lookup failure, and no SW
> offload and no offload teardown for TCP connection FIN/RST packets.
>
> To fix this, allow flow tables that don't hash the ifindex.
> Netfilter flow tables will keep using ifindex for a more specific
> offload, while act_ct will not.
>
> Fixes: 9795ded7f924 ("net/sched: act_ct: Fill offloading tupledx")
The fixes tag got corrupted. It should have been:
Fixes: 9795ded7f924 ("net/sched: act_ct: Fill offloading tuple iifidx")
Not sure if it needs a respin or not, but:
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
> Signed-off-by: Paul Blakey <paulb@nvidia.com>
> ---
prev parent reply other threads:[~2022-02-17 23:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-17 9:34 [PATCH net 1/1] net/sched: act_ct: Fix flow table lookup failure with no originating ifindex Paul Blakey
2022-02-17 13:55 ` Pablo Neira Ayuso
2022-02-17 23:27 ` Marcelo Ricardo Leitner
2022-02-17 23:55 ` Pablo Neira Ayuso
2022-02-18 0:05 ` Pablo Neira Ayuso
2022-02-20 8:48 ` Paul Blakey
2022-02-17 16:55 ` Jakub Kicinski
2022-02-17 23:16 ` Marcelo Ricardo Leitner [this message]
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