[PATCH] doc: announce QinQ offloading operations in iavf PMD

[Mandal, Anurag]

> -----Original Message-----
> From: Richardson, Bruce <bruce.richardson at intel.com>
> Sent: 06 July 2026 16:39
> To: Mandal, Anurag <anurag.mandal at intel.com>
> Cc: dev at dpdk.org; Medvedkin, Vladimir <vladimir.medvedkin at intel.com>
> Subject: Re: [PATCH] doc: announce QinQ offloading operations in iavf PMD
> 
> On Sat, Jul 04, 2026 at 01:17:30PM +0000, Anurag Mandal wrote:
> > The iavf PMD supports hardware offloading for all QinQ operations.
> > QinQ tag stripping and insertion offloads have been added for both
> > outer VLAN TPIDs: 0x88a8 (IEEE 802.1ad) & 0x8100 (IEEE 802.1Q).
> >
> > Signed-off-by: Anurag Mandal <anurag.mandal at intel.com>
> > ---
> >  doc/guides/nics/features/iavf.ini      | 2 +-
> >  doc/guides/rel_notes/release_26_07.rst | 1 +
> >  2 files changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/doc/guides/nics/features/iavf.ini
> > b/doc/guides/nics/features/iavf.ini
> > index 0ba6f7dfd7..e324a7aecb 100644
> > --- a/doc/guides/nics/features/iavf.ini
> > +++ b/doc/guides/nics/features/iavf.ini
> > @@ -30,7 +30,7 @@ Traffic manager      = Y
> >  Inline crypto        = P
> >  CRC offload          = Y
> >  VLAN offload         = P
> > -QinQ offload         = P
> > +QinQ offload         = Y
> 
> Not sure we can advertise full support. Checking with AI it seems we have some
> gaps, for example, the legacy (non-flex) descriptor scalar Rx - used with X710
> NICs for example - doesn't support reading two tags for QinQ strip.
> 
> >  L3 checksum offload  = Y
> >  L4 checksum offload  = Y
> >  Timestamp offload    = Y
> > diff --git a/doc/guides/rel_notes/release_26_07.rst
> > b/doc/guides/rel_notes/release_26_07.rst
> > index cf79eb57bf..d864019244 100644
> > --- a/doc/guides/rel_notes/release_26_07.rst
> > +++ b/doc/guides/rel_notes/release_26_07.rst
> > @@ -139,6 +139,7 @@ New Features
> >
> >    * Added support for transmitting LLDP packets based on mbuf packet type.
> >    * Implemented AVX2 context descriptor transmit paths.
> > +  * Added support for QinQ offloading operations.
> 
> Can we tighten this statement up a bit - "Added support for Tx QinQ offload", to
> make it clear that it's only the Tx side support has changed in this release?
> 

Hi Bruce,

I have added support for both Rx (strip) and Tx (insertion) for QinQ.
net/iavf: support QinQ strip
net/iavf: support QinQ insertion

Earlier only 0x8100 was supported partially. These commits add 0x88a8 as well as tightens 0x8100.

Thanks,
Anurag

> >
> >  * **Updated Intel ice driver.**
> >
> > --
> > 2.34.1
> >