Re: [V5 PATCH] virtio-net: send gratuitous packets when needed

[Jason Wang]

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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