Messages in this thread | | | Date | Wed, 28 Mar 2012 10:35:53 +0800 | From | Jason Wang <> | Subject | Re: [V5 PATCH] virtio-net: send gratuitous packets when needed |
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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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