netdev - Re: [net-next-2.6 PATCH 0/3 RFC] macvlan: MAC Address filtering support for passthru mode

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Date:	Mon, 12 Sep 2011 06:38:00 -0700
From:	Roopa Prabhu <roprabhu@...co.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
CC:	<netdev@...r.kernel.org>, <dragos.tatulea@...il.com>,
	<arnd@...db.de>, <dwang2@...co.com>, <benve@...co.com>,
	<kaber@...sh.net>, <sri@...ibm.com>, <davem@...emloft.net>,
	<eric.dumazet@...il.com>, <mchan@...adcom.com>,
	<kvm@...r.kernel.org>
Subject: Re: [net-next-2.6 PATCH 0/3 RFC] macvlan: MAC Address filtering
 support for passthru mode




On 9/11/11 11:52 AM, "Michael S. Tsirkin" <mst@...hat.com> wrote:

> On Sun, Sep 11, 2011 at 06:18:02AM -0700, Roopa Prabhu wrote:
>> 
>> 
>> 
>> On 9/11/11 2:38 AM, "Michael S. Tsirkin" <mst@...hat.com> wrote:
>> 
>>> On Fri, Sep 09, 2011 at 09:33:33AM -0700, Roopa Prabhu wrote:

>>> 
>>> It's probably more interesting for a card without SRIOV support.
>>> 
>> If its an SRIOV card I am assuming people likely using PASSTHRU mode.
>> Non-SRIOV cards will use any of the non-PASSTHRU mode.
>> 
>> 
>>>> we will have to add filter lookup in macvlan
>>>> to filter pkts for each guest.
>>> 
>>> Any chance to enable hardware filters for that?
>>> 
>> NAFAIK. Am not sure how you would do it too. Its still a single device from
>> where the host receives traffic from.
>> 
>> Thanks,
>> Roopa
> 
> VMDQ cards might let you program mac addresses for individula rings.
> 
I tried to lookup more information on this. I dint find any concrete
information. I am not sure if individual rings show up as separate netdev.
Any more info on how a VMDQ nic is used with macvlan ?.

I came across this 
http://www.linux-kvm.org/wiki/images/6/6a/KvmForum2008$kdf2008_7.pdf

Thanks,
Roopa
 
 

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