DPDK usage discussions
 help / color / mirror / Atom feed
From: Antonio Di Bacco <a.dibacco.ks@gmail.com>
To: timwood@gwu.edu
Cc: users@dpdk.org
Subject: Re: Connecting two DPDK applications through fake virtual functions
Date: Thu, 17 Mar 2022 16:55:30 +0100
Message-ID: <CAO8pfFkh4odkNrd24_9shVuSn0XJc9Bzxcs0dJm+7tOuhFC17Q@mail.gmail.com> (raw)
In-Reply-To: <CAC8jeWMtcCUnHO7L9bno28TsDAqaudYxG_zwRZQ4hfrTXGdthA@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1405 bytes --]

Unfortunately I cannot change the applications but I only can create some
fake VFs and connect them with software.
Could OVS come to the rescue?

Il giorno gio 17 mar 2022 alle ore 14:27 Timothy Wood <timwood@gwu.edu> ha
scritto:

> One option is to modify the applications to use DPDK's multi-process
> support: https://doc.dpdk.org/guides/prog_guide/multi_proc_support.html
> Essentially you would have one app read from the real port and then write
> data to a software queue in shared memory. Instead of having the second app
> read from a port it would read from the queue.
>
> If you want to build more elaborate combinations of functions, check out
> our OpenNetVM research project which focused on high performance NF
> chaining: http://sdnfv.github.io/onvm/
>
> ---
> Timothy Wood, Ph. D.
> he/him/his
> Associate Professor
> Department of Computer Science
> The George Washington University
> http://www.seas.gwu.edu/~timwood
>
>
> On Thu, Mar 17, 2022 at 5:29 AM Antonio Di Bacco <a.dibacco.ks@gmail.com>
> wrote:
>
>> I have two DPDK applications that are using virtual functions built on
>> top of two physical functions that correspond to the two ports of a 25 Gbps
>> ethernet card. The two physical ports are connected one to the other with
>> an optic fiber.
>> Now, I would like to realize the same setup but without using a physical
>> 25 Gbps card, I wonder if this is possible.
>>
>>

[-- Attachment #2: Type: text/html, Size: 2406 bytes --]

  reply	other threads:[~2022-03-17 15:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-17  9:29 Antonio Di Bacco
2022-03-17 13:26 ` Timothy Wood
2022-03-17 15:55   ` Antonio Di Bacco [this message]
2022-03-17 16:44     ` Dmitry Kozlyuk
2022-03-17 20:53       ` Antonio Di Bacco
2022-03-17 21:41         ` Dmitry Kozlyuk

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=CAO8pfFkh4odkNrd24_9shVuSn0XJc9Bzxcs0dJm+7tOuhFC17Q@mail.gmail.com \
    --to=a.dibacco.ks@gmail.com \
    --cc=timwood@gwu.edu \
    --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

DPDK usage discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror http://inbox.dpdk.org/users/0 users/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 users users/ http://inbox.dpdk.org/users \
		users@dpdk.org
	public-inbox-index users

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.users


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git