[PATCH] mbuf: expose outer vlan in mbuf dump

[Ben Magistro]

Was there a consensus on if this should be re-drafted as a bug and fixes or
left as a backportable feature/improvement?  I am good either way, just
wanted to clarify if I had an additional action at this time.

Cheers

On Wed, Apr 6, 2022 at 3:33 AM Olivier Matz <olivier.matz at 6wind.com> wrote:

> Hi,
>
> On Tue, Apr 05, 2022 at 05:51:05PM +0200, Thomas Monjalon wrote:
> > 04/04/2022 12:33, Kevin Traynor:
> > > On 04/04/2022 07:15, Morten Brørup wrote:
> > > >> From: Ben Magistro [mailto:koncept1 at gmail.com]
> > > >> Sent: Monday, 4 April 2022 02.57
> > > >>
> > > >> Enable printing of the outer vlan if flags indicate it is present.
> > > >>
> > > >> Signed-off-by: Ben Magistro <koncept1 at gmail.com>
>
> Acked-by: Olivier Matz <olivier.matz at 6wind.com>
>
> > > >>
> > > >> ---
> > > >>
> > > >> While troubleshooting some QinQ offloads with various Intel i40e
> > > >> firmware[1], it was
> > > >> helpful to expose the outer vlan in the dump mbuf calls.  This
> should
> > > >> be straightforward
> > > >> to backport and happy to do the work if accepted. I understand that
> > > >> this may not be a
> > > >> widely supported capability at this time, so we are okay if this is
> not
> > > >> accepted and
> > > >> we just maintain a local patch.
> > > >
> > > > Features are usually not backported, only bug fixes.
> > > >
> > > > However, since this patch proved helpful finding a bug, and it is
> very simple, it could be considered by the LTS maintainers.
> > >
> > >
> > > Suggest to tag the patch with 'Cc: stable at dpdk.org' to indicate it is
> > > requested for stable branches. It will be caught by stable maintainer
> > > filters when it is time for backports and can be discussed further
> then.
> >
> > I think it is a bug.
> > What was introduced first? the function or the field?
> > Please find the commit where it should have been done
> > and mark it with "Fixes:" syntax + Cc:stable.
>
> The vlan dump was introduced by commit 5b6eaea8ea7c ("mbuf: display more
> fields in dump"), but I don't think we can say it's a bug. To me, it is
> an enhancement that could be backported, because there is a benefit with
> a very low risk.
>
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