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

From: David Miller
Date: Tue Apr 03 2012 - 17:49:16 EST


From: Jason Wang <jasowang@xxxxxxxxxx>
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 <jasowang@xxxxxxxxxx>

Michael and others, what's the story with this patch?
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