netdev - Re: [PATCH net-next 2/2] vrf: run conntrack only in context of lower/physdev for locally generated packets

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Message-ID: <20211022000451.GG7604@breakpoint.cc>
Date:   Fri, 22 Oct 2021 02:04:51 +0200
From:   Florian Westphal <fw@...len.de>
To:     Florian Westphal <fw@...len.de>
Cc:     Eugene Crosser <crosser@...rage.org>, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, dsahern@...nel.org,
        pablo@...filter.org, lschlesinger@...venets.com
Subject: Re: [PATCH net-next 2/2] vrf: run conntrack only in context of
 lower/physdev for locally generated packets

Florian Westphal <fw@...len.de> wrote:
> Eugene Crosser <crosser@...rage.org> wrote:
> > In  such case 'set_untrackd' will do nothing, but 'reset_ct' will clear
> > UNTRACKED status that was set elswhere. It seems wrong, am I missing something?
> 
> No, thats the catch.  I can't find a better option.

To clarify, existing code has unconditional reset, so existing rulesets
that set 'notrack' in the first (vrf) round do not affect the second
round.

This feature/bug would remain, which sucks but I can't think of a saner
alternative.