netdev - Re: [PATCH net-next v2] net: openvswitch: Be liberal in tcp conntrack.

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Date:   Fri, 20 Nov 2020 07:32:11 +0100
From:   Florian Westphal <fw@...len.de>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     nusiddiq@...hat.com, dev@...nvswitch.org, netdev@...r.kernel.org,
        Pravin B Shelar <pshelar@....org>,
        Florian Westphal <fw@...len.de>,
        netfilter-devel@...r.kernel.org,
        Pablo Neira Ayuso <pablo@...filter.org>
Subject: Re: [PATCH net-next v2] net: openvswitch: Be liberal in tcp
 conntrack.

Jakub Kicinski <kuba@...nel.org> wrote:
> On Mon, 16 Nov 2020 18:31:26 +0530 nusiddiq@...hat.com wrote:
> > From: Numan Siddique <nusiddiq@...hat.com>
> > 
> > There is no easy way to distinguish if a conntracked tcp packet is
> > marked invalid because of tcp_in_window() check error or because
> > it doesn't belong to an existing connection. With this patch,
> > openvswitch sets liberal tcp flag for the established sessions so
> > that out of window packets are not marked invalid.
> > 
> > A helper function - nf_ct_set_tcp_be_liberal(nf_conn) is added which
> > sets this flag for both the directions of the nf_conn.
> > 
> > Suggested-by: Florian Westphal <fw@...len.de>
> > Signed-off-by: Numan Siddique <nusiddiq@...hat.com>
> 
> Florian, LGTY?

Sorry, this one sailed past me.

Acked-by: Florian Westphal <fw@...len.de>