* Question about vf rss of dpdk ixgbevf driver
@ 2022-04-14 0:45 Xiongwei Song
2022-04-14 2:03 ` Stephen Hemminger
2022-04-14 2:28 ` Harold Huang
0 siblings, 2 replies; 3+ messages in thread
From: Xiongwei Song @ 2022-04-14 0:45 UTC (permalink / raw)
To: users
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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Question about vf rss of dpdk ixgbevf driver
2022-04-14 0:45 Question about vf rss of dpdk ixgbevf driver Xiongwei Song
@ 2022-04-14 2:03 ` Stephen Hemminger
2022-04-14 2:28 ` Harold Huang
1 sibling, 0 replies; 3+ messages in thread
From: Stephen Hemminger @ 2022-04-14 2:03 UTC (permalink / raw)
To: Xiongwei Song; +Cc: users
On Thu, 14 Apr 2022 08:45:46 +0800
Xiongwei Song <sxwjean@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.
This was fixed in later versions of DPDK.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Question about vf rss of dpdk ixgbevf driver
2022-04-14 0:45 Question about vf rss of dpdk ixgbevf driver Xiongwei Song
2022-04-14 2:03 ` Stephen Hemminger
@ 2022-04-14 2:28 ` Harold Huang
1 sibling, 0 replies; 3+ messages in thread
From: Harold Huang @ 2022-04-14 2:28 UTC (permalink / raw)
To: Xiongwei Song; +Cc: users, Stephen Hemminger
On Thu, Apr 14, 2022 at 8:46 AM Xiongwei Song <sxwjean@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.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-04-14 2:28 UTC | newest]
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2022-04-14 0:45 Question about vf rss of dpdk ixgbevf driver Xiongwei Song
2022-04-14 2:03 ` Stephen Hemminger
2022-04-14 2:28 ` Harold Huang
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