Subject: Re: [V6 PATCH] virtio-net: send gratuitous packets when needed

From: "Michael S. Tsirkin" <[email-masked]>
Date: Wed, 4 Apr 2012 10:51:37 +0300

On Tue, Apr 03, 2012 at 05:49:05PM -0400, David Miller wrote:
> From: Jason Wang <[email-masked]>
> Date: Wed, 28 Mar 2012 13:44:28 +0800
> 
> > As hypervior does not have the knowledge of guest network configuration, it's
> > better to ask guest to send gratuitous packets when needed.
> > 
> > Guest tests VIRTIO_NET_S_ANNOUNCE bit during config change interrupt and when it
> > is set, a workqueue is scheduled to send gratuitous packet through
> > NETDEV_NOTIFY_PEERS. This feature is negotiated through bit
> > VIRTIO_NET_F_GUEST_ANNOUNCE.
>  ...
> > Signed-off-by: Jason Wang <[email-masked]>
> 
> Michael and others, what's the story with this patch?

It's a new feature so it will be 3.5 material when it's ready.
Sent some comments for now.

Thanks,
MST

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