virtio: net: Add freeze, restore handlers to support S4
authorAmit Shah <amit.shah@redhat.com>
Thu, 22 Dec 2011 11:28:33 +0000 (16:28 +0530)
committerRusty Russell <rusty@rustcorp.com.au>
Thu, 12 Jan 2012 05:14:46 +0000 (15:14 +1030)
commit0741bcb5584f9e2390ae6261573c4de8314999f2
treed52abfa39e08dbdda0bee35d85a72a8060391a16
parent04486ed019d249249c00546704af12498a432c15
virtio: net: Add freeze, restore handlers to support S4

Remove all the vqs, disable napi and detach from the netdev on
hibernation.

Re-create vqs after restoring from a hibernated image, re-enable napi
and re-attach the netdev.  This keeps networking working across
hibernation.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
drivers/net/virtio_net.c