From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 74AB1B0B5 for ; Mon, 2 Jun 2014 22:37:24 +0200 (CEST) Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s52KbaMd008160 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 2 Jun 2014 16:37:36 -0400 Received: from x220.localdomain (ovpn-113-77.phx2.redhat.com [10.3.113.77]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id s52KbZGU021809; Mon, 2 Jun 2014 16:37:35 -0400 Date: Mon, 2 Jun 2014 13:37:35 -0700 From: Chris Wright To: HS Message-ID: <20140602203735.GL8384@x220.localdomain> References: <5D695A7F6F10504DBD9B9187395A21797D0CF42B@ORSMSX112.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21+63 (2f2ebc24920d) (2011-07-01) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] Ethtool support in DPDK pmd X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Jun 2014 20:37:24 -0000 * HS (hyunseok@ieee.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