[dts] [PATCH 1/2] tests/vf_packet_rxtx: fix test case failures in vf_reset

[Liu, Yong]

Joyce,
Agreed with you, merged first patch into master branch.

Thanks,
Marvin

> -----Original Message-----
> From: Joyce Kong [mailto:Joyce.Kong at arm.com]
> Sent: Monday, March 12, 2018 10:26 AM
> To: Liu, Yong <yong.liu at intel.com>; dts at dpdk.org
> Subject: RE: [dts] [PATCH 1/2] tests/vf_packet_rxtx: fix test case
> failures in vf_reset
> 
> Hi Marvin,
> 
> Clearing port stats is valid on most occasions and we can't always ensure
> to disable all network-manager on PF. Overall there's no harm in doing
> this.
> 
> Thanks & regards，
> Joyce
> 
> -----Original Message-----
> From: Liu, Yong [mailto:yong.liu at intel.com]
> Sent: Monday, March 12, 2018 9:39 AM
> To: Joyce Kong <Joyce.Kong at arm.com>; dts at dpdk.org
> Subject: RE: [dts] [PATCH 1/2] tests/vf_packet_rxtx: fix test case
> failures in vf_reset
> 
> Joyce,
> There's still some kind of possibility that PF will transmit packets in
> the test which will cause unexpected result.
> It's better to disable network-manager on the PF device. But if this
> solution is workable for you, I can also merge it.
> 
> Thanks,
> Marvin
> 
> > -----Original Message-----
> > From: Joyce Kong [mailto:Joyce.Kong at arm.com]
> > Sent: Friday, March 09, 2018 7:39 PM
> > To: Liu, Yong <yong.liu at intel.com>; dts at dpdk.org
> > Subject: RE: [dts] [PATCH 1/2] tests/vf_packet_rxtx: fix test case
> > failures in vf_reset
> >
> > Hi Marvin,
> >
> > DUT PF would send dhcp protocol packet to VF before tester
> > transmission, and that's why we need to clear ports  at the start.
> >
> > Best Regards，
> > Joyce
> >
> > -----Original Message-----
> > From: Liu, Yong [mailto:yong.liu at intel.com]
> > Sent: Thursday, March 8, 2018 11:37 AM
> > To: Joyce Kong <Joyce.Kong at arm.com>; dts at dpdk.org
> > Cc: Zhao, MeijuanX <meijuanx.zhao at intel.com>
> > Subject: RE: [dts] [PATCH 1/2] tests/vf_packet_rxtx: fix test case
> > failures in vf_reset
> >
> > Hi Joyce,
> > Could you please figure out why need to clean the counter before
> > tester transmission? It should be no packet sent to VF before that
> moment.
> >
> > Thanks,
> > Marvin
> >
> > > -----Original Message-----
> > > From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of Joyce Kong
> > > Sent: Tuesday, March 06, 2018 3:47 PM
> > > To: dts at dpdk.org
> > > Cc: Joyce Kong <joyce.kong at arm.com>
> > > Subject: [dts] [PATCH 1/2] tests/vf_packet_rxtx: fix test case
> > > failures in vf_reset
> > >
> > > Clear port stats before counting port info
> > >
> > > Signed-off-by: Joyce Kong <joyce.kong at arm.com>
> > > ---
> > >  tests/TestSuite_vf_packet_rxtx.py | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/tests/TestSuite_vf_packet_rxtx.py
> > > b/tests/TestSuite_vf_packet_rxtx.py
> > > index 63f4820..6a29d23 100644
> > > --- a/tests/TestSuite_vf_packet_rxtx.py
> > > +++ b/tests/TestSuite_vf_packet_rxtx.py
> > > @@ -279,6 +279,7 @@ class TestVfPacketRxtx(TestCase):
> > >          rx_port = tx_port
> > >
> > >          dst_mac = pmd0_vf0_mac
> > > +        self.vm0_testpmd.execute_cmd('clear port stats all')
> > >          self.tester.sendpkt_bg(tx_port, dst_mac)
> > >
> > >          #vf port stop/start can trigger reset action
> > > --
> > > 1.8.3.1
> >
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