Re: [dpdk-dev] Debugging igbvf_pmd

[Sambath Kumar Balasubramanian <sambath.balasubramanian@gmail.com>]

Thanks Prashant. You were spot on. That was the reason for the packet drop.
Do you know if there is a way to disable anti-spoofing in the NIC or the
driver?

Thanks for the timely help.

Regards,
Sambath


On Sun, Nov 3, 2013 at 4:48 AM, Prashant Upadhyaya <
prashant.upadhyaya@aricent.com> wrote:

> Hi Sambath,
>
> Did you follow the step of applying the mac to each of the virtual
> function as per the release notes in DPDK ?
> And ofcourse the src mac of your packets should be 'that' mac as set above.
>
> Regards
> -Prashant
>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Sambath Kumar
> Balasubramanian
> Sent: Sunday, November 03, 2013 4:26 AM
> To: dev@dpdk.org
> Subject: Re: [dpdk-dev] Debugging igbvf_pmd
>
> Sorry pressed the send button too soon. The NIC Card we are using is
>
> Intel Corporation 82576 Virtual Function (rev 01)
>
> Do we need to do now NIC/CPU low level debugging or is there some issue in
> the sw that could cause the packet to be dropped below this log message.
>
> PMD: eth_igb_xmit_pkts(): port_id=3 queue_id=0 pktlen=60 tx_first=14
> tx_last=14
>
> PMD: eth_igb_xmit_pkts(): port_id=3 queue_id=0 tx_tail=15 nb_tx=1
>
> Thanks,
> Sambath
>
>
> On Sat, Nov 2, 2013 at 3:54 PM, Sambath Kumar Balasubramanian <
> sambath.balasubramanian@gmail.com> wrote:
>
> > Hi,
> >
> >   We are developing an App over DPDK and in one scenario with SR-IOV
> > with one of the VFs mapped to a VM and DPDK running on the VM, we see
> > that the packets are not coming on the wire but I get the following
> > debug logs for every packet transmitted. We are getting the same
> > format of packets on the wire in a different scenario so IMO the
> > Virtual Function ports are set up properly. Any idea how this can be
> > debugged further. The NIC card we are using is
> >
> >
> >
> > PMD: eth_igb_xmit_pkts(): port_id=3 queue_id=0 pktlen=60 tx_first=14
> > tx_last=14
> >
> > PMD: eth_igb_xmit_pkts(): port_id=3 queue_id=0 tx_tail=15 nb_tx=1
> >
> > Regards,
> > Sambath
> >
> >
>
>
>
>
>
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