Re: [dpdk-dev] Debugging igbvf_pmd

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

Hi Prashant,

  Did some research and looks like there an option in the driver disable it
from 3.2 kernel. Any kernel before that looks to be a source code
modification.

Again Thanks for you help.

Regards,
Sambath


On Sun, Nov 3, 2013 at 5:18 AM, Sambath Kumar Balasubramanian <
sambath.balasubramanian@gmail.com> wrote:

> 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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>