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From: Chris Wright <chrisw-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: HS <hyunseok-EkmVulN54Sk@public.gmane.org>
Cc: "dev-VfR2kkLFssw@public.gmane.org" <dev-VfR2kkLFssw@public.gmane.org>
Subject: Re: Ethtool support in DPDK pmd
Date: Mon, 2 Jun 2014 13:37:35 -0700	[thread overview]
Message-ID: <20140602203735.GL8384@x220.localdomain> (raw)
In-Reply-To: <CAAJNysKzUt1KtzQVj0_rQtDPBfjKi=jYmyb57xU3OxdAS1wE3A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

* HS (hyunseok-EkmVulN54Sk@public.gmane.org) wrote:
> Thanks for your reply.
> 
> Sure KNI can offer ethtool interface.  But suppose I am already running a
> DPDK application on a physical port, but at the same time I want to control
> the port with ethtool like interface.  How could I do that?

HS, I might be missing something there, but with the current model of
usermode device drivers I don't think this is simple.

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.

thanks,
-chris

  parent reply	other threads:[~2014-06-02 20:37 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 [this message]
     [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

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