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SubjectRe: [V5 PATCH] virtio-net: send gratuitous packets when needed
On 03/28/2012 10:31 AM, David Miller wrote:
> From: Jason Wang<jasowang@redhat.com>
> 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@redhat.com>
> 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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