Subject: Re: [NET 00/02]: MACVLAN driver

From: Stephen Hemminger <[email-masked]>
Date: Tue, 19 Jun 2007 09:00:27 -0700

On Tue, 19 Jun 2007 15:08:41 +0200 (MEST)
Patrick McHardy <[email-masked]> wrote:

> These patches add a rewritten version of Ben's macvlan driver, which
> allows to create virtual ethernet devices. The underlying device is
> put in promiscous mode and packets are demuxed based on MAC address.
> It behaves similar to bridge devices in that packets are visible on
> the real device before delivery to the macvlan driver. The driver
> supports all features of the underlying device except VLAN
> acceleration, this is currently very hard to support. I might look
> into this in the future.
> 
> The main downside of this driver is that it adds another hook in
> netif_receive_skb, unfortunately that is unavoidable. When not
> compiled in the hook vanishes of course.
> 
> Usage is simple:
> 
> # ip link add link eth0 type macvlan
> 
> Will create a macvlan0 device with a random MAC address on top of
> eth0. No iproute patches are required.
> 
> 
> Please apply, thanks.
> 

Looks good. I have some changes to allow devices with multiple MAC addresses
(never finished).  This device could use that.
-- 
Stephen Hemminger <[email-masked]>