netdev - RE: ixgbe: macvlan on PF/VF when SRIOV is enabled

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Message-ID: <1274806289.18023.57.camel@localhost.localdomain>
Date:	Tue, 25 May 2010 09:51:29 -0700
From:	Shirley Ma <mashirle@...ibm.com>
To:	"Rose, Gregory V" <gregory.v.rose@...el.com>
Cc:	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Subject: RE: ixgbe: macvlan on PF/VF when SRIOV is enabled

On Tue, 2010-05-25 at 08:57 -0700, Rose, Gregory V wrote:
> Just use ifconfig and vconfig utilities to set the MAC and VLAN for
> each VF.  There shouldn't be any need for secondary addresses because
> they're not like physical devices where each VF has a pre-programmed
> HW MAC address.  The initial MAC address of each VF is generated on
> the fly during the PF driver initialization. You can change it as you
> see fit and then put the VF on a VLAN using vconfig.  After you do
> that you have a macvlan filter for that VF.

I run macvlan test not vlan. macvlan is used to give a second MAC
address to a network adapter and see it as a new device at the higher
levels. The command is used as follow:

ip link add link eth4 address 54:52:00:35:e3:20 macvlan2 type macvlan

It will create an interface name macvlan2 with above MAC address. In
kernel, netdev eth4 maintains this secondary address.

Thanks
Shirley


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