From: Ryan Goodfellow <rgoodfel@isi.edu>
To: intel-wired-lan@osuosl.org
Subject: [Intel-wired-lan] zero-copy between interfaces
Date: Mon, 20 Jan 2020 13:33:09 -0500 [thread overview]
Message-ID: <20200120183309.GA10990@smtp.ads.isi.edu> (raw)
In-Reply-To: <CAJ8uoz0i2NVxBty18Cq=kK5_Ysue=pt1psBBahLFiZqN168OiQ@mail.gmail.com>
On Mon, Jan 20, 2020 at 09:24:05AM +0100, Magnus Karlsson wrote:
>
> I was wondering if you could run two small experiments since I cannot
> reproduce this?
>
> 1: Run your program using the two ports on your X710 card. Does it
> work? This is my setup and works for me.
The X710 card works without issue.
> 2: On your Mellanox setup, insert a kick_tx() call for each of your
> two sockets before the poll() call in your forward() function. Just to
> see if it works when we explicitly wake up the driver.
This did not have an effect on the observed behavior. Exactly N packets go
through the interface where N is equal to the size of the FQ/CQ rings and then
forwarding halts.
--
~ ry
next prev parent reply other threads:[~2020-01-20 18:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <14f9e1bf5c3a41dbaec53f83cb5f0564@isi.edu>
2020-01-17 12:32 ` [Intel-wired-lan] zero-copy between interfaces =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
2020-01-17 17:16 ` Ryan Goodfellow
2020-01-17 18:10 ` Ryan Goodfellow
2020-01-20 8:24 ` Magnus Karlsson
2020-01-20 18:33 ` Ryan Goodfellow [this message]
2020-01-20 17:04 ` =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?=
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=20200120183309.GA10990@smtp.ads.isi.edu \
--to=rgoodfel@isi.edu \
--cc=intel-wired-lan@osuosl.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