From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Rose Subject: Re: New commands to configure IOV features Date: Tue, 26 Jun 2012 10:19:03 -0700 Message-ID: <20120626101903.0000791c@unknown> References: <4FA7AF62.8000405@broadcom.com> <20120507081634.000003f8.gregory.v.rose@intel.com> <4FE9A963.7020602@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Cc: Ben Hutchings , "netdev@vger.kernel.org" To: Yuval Mintz Return-path: Received: from mga11.intel.com ([192.55.52.93]:46841 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758499Ab2FZRTb (ORCPT ); Tue, 26 Jun 2012 13:19:31 -0400 In-Reply-To: <4FE9A963.7020602@broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, 26 Jun 2012 15:21:55 +0300 Yuval Mintz wrote: > On 05/07/2012 06:16 PM, Greg Rose wrote: > > > On Mon, 7 May 2012 14:17:54 +0300 > > Yuval Mintz wrote: > > > >> I've tried to figure out if there was a standard interface > >> (ethtool/iproute) through which a user could configure the number > >> of vfs in his system. > >> > >> I've seen the RFC suggested in > >> http://markmail.org/thread/qblfcv7zbxsxp7q6, and > >> http://markmail.org/thread/fw54dcppmxuxoe6n, but failed to see any > >> later references to it (commits or further discussion on this > >> topic). > >> > >> How exactly are things standing with these RFCs? Were they > >> abandoned? > > > > The only way to configure the number of VFs continues to be through > > the max_vfs module parameter. I've got a patch to do it through > > ethtool sitting on the back burner but due to other requirements of > > my day job I've not been able to work on it since last fall. > > > > - Greg > > > Hi Ben, > > If I want to pick the RFCs and add support for configuring the number > of VFs - do you think ethtool's the right place for such added > support? > > I'm asking since as far as I can see, ethtool (today) doesn't contain > any features related to virtual functions. I think a PCI utility tool would be better, SR-IOV is not limited to network devices. That's one of the reasons I dropped the RFC. I haven't gotten back to the idea since then due to my day job keeping me pretty busy. - Greg