[dpdk-users] DPDK versions and SRIOV on XL710

[Don maillist]

I would upgrade the NIC firmware and i40e driver. I use HP X710 so am not
sure what verion of driver/firmware to recommend but get the latest for
your card. Also, make sure that SRIOV is on in the BIOS.

Best Regards,
Don

On Fri, Jul 21, 2017 at 1:58 AM, Raju-dev grishma <rajugrishma at gmail.com>
wrote:

> Hi I have a host and XL710 nic cards and created few VFs on these NIC. I
> created two VMs on that host and assign one VF to each VM.
>
> VM#1: It has RHEL 7.2 installed and I use DPDK version 2.2.0
>
> SRIOV ports on this VM works OK. testmpd works.
>
> The SRIOV interfaces comes up with below logs when I invoke testpmd.
>
> EAL:  PCI device 0000:0b:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:154c rte_i40evf_pmd
> EAL:   PCI memory mapped at 0x7fefdce00000
> EAL:   PCI memory mapped at 0x7fefdce10000
>
>
> VM#2: It has Ubuntu 16.04.2 and I use DPDK 17.05
> SRIOV ports don't show up when I invoke testpmd.
>
> EAL: PCI device 0000:03:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:154c net_i40e_vf
> i40evf_init_vf(): init_adminq failed
> i40evf_dev_init(): Init vf failed
> EAL: Requested device 0000:03:00.0 cannot be used
>
> I see one difference here. For the same NIC beneath, the DPDK picks
> different driver on this VM. (net_i40e_vf as compared to rte_i40evf_pmd).
> As I understand the dpdk.h file has this switching based on RTE version.
>
> Question is why it fails on this VM that has different (later version) of
> dpdk ?
> Is there any settings I need to do on the guest OS (Ubuntu ) on VM#2?
> could it be the NIC firmware that might be incompatible with driver used by
> dpdk on VM#2?
>
> Any pointers to move on ?
>
> Thanks
>