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Date:      Sat, 18 Aug 2018 22:51:51 +0000
From:      bugzilla-noreply@freebsd.org
To:        pf@FreeBSD.org
Subject:   [Bug 229092] [pf] [pfsync] States created by route-to rules pfsynced without interface
Message-ID:  <bug-229092-16861-q1Uq84Opd9@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-229092-16861@https.bugs.freebsd.org/bugzilla/>
References:  <bug-229092-16861@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229092

--- Comment #9 from Kajetan Staszkiewicz <vegeta@tuxpowered.net> ---
I see only those fields free to be used:

struct pfsync_state {
        u_int8_t         __spare[2];
}

struct pfsync_state_peer {
        u_int8_t        pad[6];
}

None of them is enough to carry char ifname[IFNAMSIZ] information. I thought
interfaces maybe have some increasing ID which would fit into those bytes b=
ut I
can't find such thing. We could add such increasing ID to pfi_kif but that
would still be an opportunistic solution, working correctly only if two rou=
ters
have identical interfaces which were added in the same order. That might in
some situations be even harder to achieve than having identical ruleset as
required by the patch I proposed.

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