Re: [dpdk-users] Increasing Rx/Tx queues for i40evf driver

[megha syam <syam.electro@gmail.com>]

HI,
Thanks for the suggestion.
I tried that and found it to be working fine now.

Thanks,
Syam

On Wed, May 23, 2018 at 11:43 AM, Sivakiran Kodali <itzksk@icloud.com>
wrote:

> Hi,
> Keeping aside the fact as to why you wanna do this, the change needs to be
> done in PF driver that is on the host.
> XL710 uses i40e driver. So change the i40e.h file as below.
>
> #define I40E_DEFAULT_QUEUES_PER_VF 4
> To
> #define I40E_DEFAULT_QUEUES_PER_VF 16
>
> Compile the driver and reinsert the kernel module.
>
> Thanks
>
> Sent from my iPhone
>
> > On 22-May-2018, at 11:45 AM, megha syam <syam.electro@gmail.com> wrote:
> >
> > Hi All,
> > I am using dpdk 16.07 version.
> > The number queues listed by the sriov vf is 4 by default. (4 queue pairs
> to
> > be specific)
> > I have changed the config parameter
> >
> > *CONFIG_RTE_LIBRTE_I40E_QUEUE_NUM_PER_VF*
> >
> > to 16.
> > But still when the VM comes up, the number of queue pairs assigned is
> still
> > 4.
> >
> > In the host, the total number of VFs are 4 for the XL710 NIC.
> >
> > Is there anything that needs to be done, to make VF use more number of
> > queues per VF?
> >
> > Thanks,
> > Syam
>