From: Thomas Monjalon <thomas@monjalon.net>
To: Robin Jarry <rjarry@redhat.com>
Cc: dev@dpdk.org, Gregory Etelson <getelson@nvidia.com>, stable@dpdk.org
Subject: Re: [PATCH dpdk v2] net: fix L2 ptype assignment in VLAN loop
Date: Wed, 22 Apr 2026 15:16:54 +0200 [thread overview]
Message-ID: <1924482.atdPhlSkOF@thomas> (raw)
In-Reply-To: <20260422103838.649578-2-rjarry@redhat.com>
22/04/2026 12:38, Robin Jarry:
> Since commit 1f250674085a ("net: fix packet type for stacked VLAN"),
> rte_net_get_ptype() uses |= to set the L2 ptype inside the VLAN
> parsing loop. Since pkt_type is already initialized with
> RTE_PTYPE_L2_ETHER (0x1), or-ing it with RTE_PTYPE_L2_ETHER_VLAN
> (0x6) results in RTE_PTYPE_L2_ETHER_QINQ (0x7). This causes single
> VLAN frames to be misidentified as QinQ.
Thanks for finding this major regression.
Minor nit about the title (for whoever will merge it):
we don't really care the problem is in a loop.
I think this title is easier to read:
net: fix VLAN packet type
next prev parent reply other threads:[~2026-04-22 13:16 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-22 10:28 [PATCH dpdk] net: fix L2 ptype assignment in VLAN loop Robin Jarry
2026-04-22 10:35 ` Robin Jarry
2026-04-22 10:38 ` [PATCH dpdk v2] " Robin Jarry
2026-04-22 13:16 ` Thomas Monjalon [this message]
2026-04-22 13:18 ` Robin Jarry
2026-04-22 13:23 ` David Marchand
2026-04-22 13:32 ` [PATCH dpdk v3] net: fix VLAN packet type Robin Jarry
2026-04-23 9:19 ` Kevin Traynor
2026-04-23 9:49 ` Robin Jarry
2026-04-23 10:59 ` Kevin Traynor
2026-04-23 11:11 ` Robin Jarry
2026-04-23 11:24 ` [PATCH dpdk v4] " Robin Jarry
2026-04-24 16:18 ` Kevin Traynor
2026-04-25 8:40 ` David Marchand
2026-04-27 10:47 ` Robin Jarry
2026-04-27 15:53 ` Thomas Monjalon
2026-04-30 10:12 ` David Marchand
2026-04-30 11:06 ` Morten Brørup
2026-05-15 11:17 ` Kevin Traynor
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1924482.atdPhlSkOF@thomas \
--to=thomas@monjalon.net \
--cc=dev@dpdk.org \
--cc=getelson@nvidia.com \
--cc=rjarry@redhat.com \
--cc=stable@dpdk.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox