From: Harold Huang <baymaxhuang@gmail.com>
To: Xiongwei Song <sxwjean@gmail.com>
Cc: users@dpdk.org, Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: Question about vf rss of dpdk ixgbevf driver
Date: Thu, 14 Apr 2022 10:28:30 +0800 [thread overview]
Message-ID: <CAHJXk3aKk-PeMnH2kEsrXt3jvi9M-WB8v_PseDk14YMco9eMgg@mail.gmail.com> (raw)
In-Reply-To: <CAEVVKH_ATVrA=ysh0FdOpdnNab5xkM=JyEe+HOqS8fB=Bi48eg@mail.gmail.com>
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.
prev parent reply other threads:[~2022-04-14 2:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-14 0:45 Xiongwei Song
2022-04-14 2:03 ` Stephen Hemminger
2022-04-14 2:28 ` Harold Huang [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAHJXk3aKk-PeMnH2kEsrXt3jvi9M-WB8v_PseDk14YMco9eMgg@mail.gmail.com \
--to=baymaxhuang@gmail.com \
--cc=stephen@networkplumber.org \
--cc=sxwjean@gmail.com \
--cc=users@dpdk.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).