On 03/28/2012 10:31 AM, David Miller wrote:
From: Jason Wang<jasowang@xxxxxxxxxx>
Date: Fri, 16 Mar 2012 17:01:01 +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.
>
> Changes from v4:
> - typos
> - handle workqueue unconditionally
> - move VIRTIO_NET_S_ANNOUNCE to bit 8 to separate rw bits from ro bits
>
> Changes from v3:
> - cancel the workqueue during freeze
>
> Changes from v2:
> - fix the race between unregister_dev() and workqueue
>
> Signed-off-by: Jason Wang<jasowang@xxxxxxxxxx>
What's happening with this patch?
Hi David:
I'm working on a new version of this patch as there's some changes in
virtio-spec, I would post it soon.
Thanks
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