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RE: xennet HLK certification


  • To: "'Connor Davis'" <davisc@xxxxxxxxxxxx>, <win-pv-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Paul Durrant <xadimgnik@xxxxxxxxx>
  • Date: Mon, 7 Dec 2020 17:35:21 -0000
  • Delivery-date: Mon, 07 Dec 2020 17:35:26 +0000
  • List-id: Developer list for the Windows PV Drivers subproject <win-pv-devel.lists.xenproject.org>
  • Thread-index: AQGeyITbl+ECYyIRpaqhOONFxidaGwJUqaYrAgMhjsCqOS6sIA==

> -----Original Message-----
> From: Connor Davis <davisc@xxxxxxxxxxxx>
> Sent: 07 December 2020 16:36
> To: paul@xxxxxxx; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: RE: xennet HLK certification
> 
> 
> 
> > -----Original Message-----
> > From: Paul Durrant <xadimgnik@xxxxxxxxx>
> > Sent: Monday, December 7, 2020 9:08 AM
> > To: Connor Davis <davisc@xxxxxxxxxxxx>; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> > Subject: RE: xennet HLK certification
> >
> > Notice: This message originated outside of ainfosec.com
> >
> >
> >
> > > -----Original Message-----
> > > From: win-pv-devel <win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx> On Behalf 
> > > Of Connor Davis
> > > Sent: 07 December 2020 15:55
> > > To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> > > Subject: xennet HLK certification
> > >
> > > Hi All,
> > >
> > > My team has modified xen{bus,vif,iface,net} drivers that we have been 
> > > testing with the 1909-
> compatible
> > > HLK, and
> > > the only test that is failing is NDISTest 6.5 PM_Requirements. It is 
> > > complaining that xennet
> doesn't
> > > support
> > > No-Pause-On-Suspend. After poking around the Microsoft docs, it seems 
> > > No-Pause-On-Suspend isn't
> > > available
> > > until NDIS 6.3, and xennet uses NDIS 6.1.
> > >
> > > Have you all seen this issue before? If so, is there a workaround for 
> > > getting the test to pass? Or
> > > perhaps it's best to
> > > bump xennet's NDIS version and implement No-Pause-On-Suspend?
> > >
> >
> > Hi Connor,
> >
> >   Been a while since I've run HLK tests myself but IIRC there was a filter 
> > for the test failure, or
> you may need an exception. That
> > said, if you're happy to bump up the NDIS version and fix any compat issues 
> > then that would
> certainly be welcome. 6.4 has
> > support
> > for receive segment coalescing so that would help legitimize something 
> > we've been doing for a long
> time :-)
> >
> >   Cheers,
> >
> >     Paul
> 
> I applied the latest filters, but it's still failing. In the short term we 
> may go for the
> exception, but I would expect next year we will work on bumping the version 
> up.
> We may get to it this year, but the holidays create some doubt there.

Great... I look forward to patches :-)

Cheers,

  Paul

> 
> Thanks,
> Connor Davis




 


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