Re: [dpdk-users] Help with error: *** Did not find any ports to use ***

[Krishnamurthy Srinivasan <kssrinivasan@google.com>]

I would appreciate some guidance from the i40e and iavf maintainers on
if/how we could make DPDK work with this NIC.

Thanks,

Srini

On Mon, Dec 14, 2020 at 3:07 PM Krishnamurthy Srinivasan <
kssrinivasan@google.com> wrote:

> Thanks for your prompt feedback, David.
>
> All:  I would appreciate your guidance on if/how DPDK could be enabled on
> this platform.
>
> Thanks,
>
> Srini
>
> On Mon, Dec 14, 2020 at 1:52 PM David Marchand <david.marchand@redhat.com>
> wrote:
>
>> On Mon, Dec 14, 2020 at 8:46 PM Krishnamurthy Srinivasan
>> <kssrinivasan@google.com> wrote:
>> >
>> > I have seen that this error has been brought up before.  However, the
>> > solutions discussed did not help resolve the error. I would appreciate
>> any
>> > help.
>> >
>> > I am running DPDK version 20.11 with Pktgen 3.7.2 on Ubuntu 20.04/K8s.
>>  My
>> > server has Intel Ethernet Controller X710 for 10GbE.
>> >
>> > Here, I have configured the pod with one interface with igb-uio driver.
>> > The behavior is the same if I try pci-vfio DPDK driver.   My kubectl
>> > description shows the network config to be OK:
>> >
>>
>> [snip]
>>
>> >
>> > root@master-01:~# /opt/dpdk-stable-19.11.3/usertools/dpdk-devbind.py
>> -s |
>> > more
>> >
>> > Network devices using DPDK-compatible driver
>> > ============================================
>> > 0000:41:0a.0 'Ethernet Virtual Function 700 Series 154c' drv=vfio-pci
>> > unused=iavf,igb_uio
>> > 0000:41:0a.1 'Ethernet Virtual Function 700 Series 154c' drv=vfio-pci
>> > unused=iavf,igb_uio
>> > <additional igb-uio devices>
>> > 0000:41:0a.5 'Ethernet Virtual Function 700 Series 154c' drv=igb_uio
>> > unused=iavf,vfio-pci
>> > <additional vfio-pci devices>
>>
>> Afaics, device 0x8086 / 0x154c is known by the common IAVF code base,
>> but it is associated with no PCI driver in DPDK.
>> $ git grep -w IAVF_DEV_ID_VF v20.11 --
>> v20.11:drivers/common/iavf/iavf_common.c:               case
>> IAVF_DEV_ID_VF:
>> v20.11:drivers/common/iavf/iavf_devids.h:#define IAVF_DEV_ID_VF
>>          0x154C
>>
>> Copying i40e and iavf maintainers, for further guidance.
>>
>>
>> --
>> David Marchand
>>
>>