Question about vf rss of dpdk ixgbevf driver

[Harold Huang]

On Thu, Apr 14, 2022 at 8:46 AM Xiongwei Song <sxwjean at gmail.com> wrote:
>
> Hi Experts,
>
> I am a dpdk beginner. I am investigating how to use vf rss with Linux ixgbe
> and dpdk ixgbevf.
>
> I saw the description on Intel 82599 from
> https://doc.dpdk.org/guides/nics/intel_vf.html:
> "The current implementation of the DPDK ixgbevf driver supports a single
> queue pair (RX/TX) per Virtual Function."
> Does it mean the DPDK ixgbevf driver doesn't support vf rss? I'm using
> dpdk-16.11.
>
> I would appreciate your help.
>
> Regards,
> Xiongwei

Do you use fdir to match and send specific flow to vf? It seems that
vf rss hash is not supported in 82599 nic. I have also met the same
problem and finally I have to disable RSS hash in the vf driver in a
tricky way. See this thread below:
https://mails.dpdk.org/archives/users/2022-March/006261.html

--
Thanks, Harold.