netdev - Re: [PATCH] virtio_net: add link status handling

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Message-Id: <200812101023.42365.rusty@rustcorp.com.au>
Date:	Wed, 10 Dec 2008 10:23:41 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Anthony Liguori <anthony@...emonkey.ws>
Cc:	Mark McLoughlin <markmc@...hat.com>,
	netdev <netdev@...r.kernel.org>, kvm <kvm@...r.kernel.org>
Subject: Re: [PATCH] virtio_net: add link status handling

On Wednesday 10 December 2008 08:02:14 Anthony Liguori wrote:
> Mark McLoughlin wrote:
> > Allow the host to inform us that the link is down by adding
> > a VIRTIO_NET_F_STATUS which indicates that device status is
> > available in virtio_net config.
> > 
> > This is currently useful for simulating link down conditions
> > (e.g. using proposed qemu 'set_link' monitor command) but
> > would also be needed if we were to support device assignment
> > via virtio.
> 
> It would be nice if the virtio-net card wrote some acknowledgement that 
> it has received the link status down/up events.

How about of every status change event? ie. a generic virtio_pci solution?

Rusty.
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