On Tue, May 20, 2014 at 02:01:41PM +0800, Jason Wang wrote: > Hi all: > > This series tries to do the announcing by guest through virito-net. This is > done > through inject the notificaiton interrupt to guest several times after > migration > and then guest driver will send the proper garp packets. > > Recent Linux driver has already had this support. > > Tested with ping to guest with vlan during migration. Without the > patch, lots of the packets were lost after migration. With the patch, > could not notice packet loss after migration. > > Reference: > V1: https://lists.gnu.org/archive/html/qemu-devel/2014-05/msg02975.html > RFC v2: https://lists.gnu.org/archive/html/qemu-devel/2014-04/msg01750.html > RFC v1: https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg02648.html > V7: https://lists.gnu.org/archive/html/qemu-devel/2013-03/msg01127.html > > Changes from V1: > - check the guest feature and schedule the timer immediately on load() > - drop the logic form QEMU_CLEAK_REALTIME > - use timer_new_ms() instead of timer_new_ns() (which is a bug of V1) > - export SELF_ANNOUNCE_ROUNDS > - introduce self_announce_delay() > - typos > > Changes from RFC v2: > - use QEMU_CLOCK_VIRTUAL instead of QEMU_CLOCK_REALTIME > - compat self announce for 2.0 machine type > > Changes from RFC v1: > - clean VIRTIO_NET_S_ANNOUNCE bit during reset > - free announce timer during clean > - make announce work for non-vhost case > > Changes from V7: > - Instead of introducing a global method for each kind of nic, this > version limits the changes to virtio-net itself. > > Jason Wang (3): > migration: export SELF_ANNOUNCE_ROUNDS > migration: introduce self_announce_delay() > virtio-net: announce self by guest
Applied, thanks! > hw/net/virtio-net.c | 42 > ++++++++++++++++++++++++++++++++++++++++ > include/hw/i386/pc.h | 5 ++++ > include/hw/virtio/virtio-net.h | 17 ++++++++++++++++ > include/migration/vmstate.h | 10 +++++++++ > savevm.c | 3 +- > 5 files changed, 75 insertions(+), 2 deletions(-)