From: Stephen Hemminger <stephen-OTpzqLSitTUnbdJkjeBofR2eb7JE58TQ@public.gmane.org>
To: Vincent JARDIN <vincent.jardin-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
Cc: dev-VfR2kkLFssw@public.gmane.org, hyunseok-EkmVulN54Sk@public.gmane.org
Subject: Re: Ethtool support in DPDK pmd
Date: Mon, 2 Jun 2014 17:31:00 -0700 [thread overview]
Message-ID: <20140602173100.4168307c@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <538CEE10.4000900-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
On Mon, 02 Jun 2014 23:35:12 +0200
Vincent JARDIN <vincent.jardin-pdR9zngts4EAvxtiuMwx3w@public.gmane.org> wrote:
> On 02/06/2014 22:37, Chris Wright wrote:
> > If drivers stayed in kernel and kernel drivers exposed a mechansim for
> > registering application dma buffers for dpdk apps, then ethtool would
> > simply work as-is.
>
> Yes, that's the right way to go. Currently, the kernel does not provide
> a generic framework for that and I am not aware of any projects in order
> to define it. Could it be something to discuss on netdev@?
>
> So, as a workaround, some proprietary solutions get implemented in order
> to get ethtool running with any DPDK PMD.
>
> Best regards,
> Vincent
Ethtool has a number of problems. You can implement for KNI or TUN type
devices, but it really doesn't make sense for a generic type driver.
Also, it tends to get used for device specific things.
prev parent reply other threads:[~2014-06-03 0:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-02 16:31 Ethtool support in DPDK pmd HS
[not found] ` <CAAJNys+ZkPdnZaN58d+FMf75vcKJTWenWvHLBXCSBjzY0WFZ4w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-02 16:37 ` Jayakumar, Muthurajan
[not found] ` <5D695A7F6F10504DBD9B9187395A21797D0CF42B-8oqHQFITsIFcIJlls4ac1rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-06-02 20:18 ` HS
[not found] ` <CAAJNysKzUt1KtzQVj0_rQtDPBfjKi=jYmyb57xU3OxdAS1wE3A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-02 20:37 ` Chris Wright
[not found] ` <20140602203735.GL8384-SwUeJysX96B82hYKe6nXyg@public.gmane.org>
2014-06-02 21:35 ` Vincent JARDIN
[not found] ` <538CEE10.4000900-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-06-03 0:31 ` Stephen Hemminger [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=20140602173100.4168307c@nehalam.linuxnetplumber.net \
--to=stephen-otpzqlsittunbdjkjebofr2eb7je58tq@public.gmane.org \
--cc=dev-VfR2kkLFssw@public.gmane.org \
--cc=hyunseok-EkmVulN54Sk@public.gmane.org \
--cc=vincent.jardin-pdR9zngts4EAvxtiuMwx3w@public.gmane.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).