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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.

      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]

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