From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: RE: [net-next-2.6 PATCH 0/8 RFC v2] macvlan: MAC Address filtering support for passthru mode Date: Thu, 17 Nov 2011 23:43:41 +0000 Message-ID: <1321573421.2749.38.camel@bwh-desktop> References: <20111024054710.GB24528@redhat.com> <20111025154617.GB22553@redhat.com> <43F901BD926A4E43B106BF17856F075501A1AE542A@orsmsx508.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Roopa Prabhu , "netdev@vger.kernel.org" , "sri@us.ibm.com" , "dragos.tatulea@gmail.com" , "arnd@arndb.de" , "kvm@vger.kernel.org" , "davem@davemloft.net" , "mchan@broadcom.com" , "dwang2@cisco.com" , "shemminger@vyatta.com" , "eric.dumazet@gmail.com" , "kaber@trash.net" , "benve@cisco.com" To: "Michael S. Tsirkin" , "Rose, Gregory V" Return-path: Received: from exchange.solarflare.com ([216.237.3.220]:26409 "EHLO exchange.solarflare.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752634Ab1KQXnr (ORCPT ); Thu, 17 Nov 2011 18:43:47 -0500 In-Reply-To: <43F901BD926A4E43B106BF17856F075501A1AE542A@orsmsx508.amr.corp.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: On Tue, 2011-10-25 at 08:59 -0700, Rose, Gregory V wrote: > > -----Original Message----- > > From: Michael S. Tsirkin [mailto:mst@redhat.com] > > Sent: Tuesday, October 25, 2011 8:46 AM > > To: Roopa Prabhu > > Cc: netdev@vger.kernel.org; sri@us.ibm.com; dragos.tatulea@gmail.com; > > arnd@arndb.de; kvm@vger.kernel.org; davem@davemloft.net; > > mchan@broadcom.com; dwang2@cisco.com; shemminger@vyatta.com; > > eric.dumazet@gmail.com; kaber@trash.net; benve@cisco.com; Rose, Gregory V > > Subject: Re: [net-next-2.6 PATCH 0/8 RFC v2] macvlan: MAC Address > > filtering support for passthru mode > > > > On Mon, Oct 24, 2011 at 11:15:05AM -0700, Roopa Prabhu wrote: > > > >> ... And also I dont know of any hw > > > >> that provides an interface to set hw filters on a per queue basis. > > > > > > > > VMDq hardware would support this, no? > > > > > > > Am not really sure. This patch uses netdev to pass filters to hw. And I > > > don't see any netdev infrastructure that would support per queue > > filters. > > > > Sure. I was only saying that as far as I understand, > > VMDq hardware does support this functionality. > > Right, Greg? > > In the case of Intel HW yes. I'll refrain from speaking for other HW > vendors although I'm guessing it would be true in their cases also. > YMMV, caveat emptor, etc. etc. Current Solarflare hardware supports: - RX MAC address filters for queue selection (steering), which can be combined with RSS (flow hashing) - TX MAC address filters to prevent spoofing Multiple filters can be associated with a single queue. Ben. -- Ben Hutchings, Staff Engineer, Solarflare Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.