netdev - RE: [net-next-2.6 PATCH 0/8 RFC v2] macvlan: MAC Address filtering support for passthru mode

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Message-ID: <43F901BD926A4E43B106BF17856F075501A1AE542A@orsmsx508.amr.corp.intel.com>
Date:	Tue, 25 Oct 2011 08:59:40 -0700
From:	"Rose, Gregory V" <gregory.v.rose@...el.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>,
	Roopa Prabhu <roprabhu@...co.com>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"sri@...ibm.com" <sri@...ibm.com>,
	"dragos.tatulea@...il.com" <dragos.tatulea@...il.com>,
	"arnd@...db.de" <arnd@...db.de>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"mchan@...adcom.com" <mchan@...adcom.com>,
	"dwang2@...co.com" <dwang2@...co.com>,
	"shemminger@...tta.com" <shemminger@...tta.com>,
	"eric.dumazet@...il.com" <eric.dumazet@...il.com>,
	"kaber@...sh.net" <kaber@...sh.net>,
	"benve@...co.com" <benve@...co.com>
Subject: RE: [net-next-2.6 PATCH 0/8 RFC v2] macvlan: MAC Address filtering
 support for passthru mode

> -----Original Message-----
> From: Michael S. Tsirkin [mailto:mst@...hat.com]
> Sent: Tuesday, October 25, 2011 8:46 AM
> To: Roopa Prabhu
> Cc: netdev@...r.kernel.org; sri@...ibm.com; dragos.tatulea@...il.com;
> arnd@...db.de; kvm@...r.kernel.org; davem@...emloft.net;
> mchan@...adcom.com; dwang2@...co.com; shemminger@...tta.com;
> eric.dumazet@...il.com; kaber@...sh.net; benve@...co.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.

- Greg

> 
> --
> MST
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