From: no-reply@sashiko.virtuozzo.com
To: Eva Kurchatova <eva.kurchatova@virtuozzo.com>, khorenko@virtuozzo.com
Cc: devel@openvz.org
Subject: Re: [Devel] [PATCH hci-8.1 1/1] udp: let rx-udp-gro-forwarding aggregate under encapsulation
Date: Wed, 7 Oct 2026 20:28:19 +0000 [thread overview]
Message-ID: <010701a1180d7ab7-3fcd0d82-78df-407f-a55a-7ff3e83d55be-000000@eu-central-1.amazonses.com> (raw)
In-Reply-To: <20261007202324.2719416-2-eva.kurchatova@virtuozzo.com>
> The rx-udp-gro-forwarding checks of the veth selftest fail with "got
> 10 packets, expected 1" on a host where something uses UDP encap,
> for example a vxlan, and pass on a host where nothing does.
>
> Since commit f2e9de210d50 ("udp: gro behind static key") the receiving
> socket is looked up only once a tunnel socket exists, and commit
> 36707061d6ba ("udp: allow forwarding of plain (non-fraglisted) UDP GRO
> packets") takes "no socket found" for "forwarded" and aggregates only
> then. So the device setting works on a host without a tunnel and stops
> working with one.
>
> Aggregate whenever the device asks, socket found or not. That is what
> every host without a tunnel has done all along: a local socket without
> UDP_GRO gets the packets resegmented on delivery, and a tunnel socket
> keeps its own receive path.
>
> https://virtuozzo.atlassian.net/browse/VSTOR-139651
> Feature: fix ms/udp
> Signed-off-by: Eva Kurchatova <eva.kurchatova@virtuozzo.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.vzint.dev/#/patchset/20261007202324.2719416-1-eva.kurchatova@virtuozzo.com?part=1
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next prev parent reply other threads:[~2026-10-07 20:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-07 20:22 [Devel] [PATCH hci-8.1 0/1] " Eva Kurchatova
2026-10-07 20:22 ` [Devel] [PATCH hci-8.1 1/1] " Eva Kurchatova
2026-10-07 20:28 ` no-reply [this message]
2026-10-08 15:44 ` Konstantin Khorenko
2026-10-08 15:42 ` [Devel] [PATCH hci-8.1 0/1] " Konstantin Khorenko
2026-10-08 16:31 ` Konstantin Khorenko
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