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staging: hv: Enable sending GARP packet after live migration 

The hv_netvsc gets RNDIS_STATUS_MEDIA_CONNECT event after the VM
is live migrated. Adding call to netif_notify_peers() for this event
to send GARP (Gratuitous ARP) to notify network peers. Otherwise,
the VM's network connection may stop after a live migration.

This patch should also be applied to stable kernel 2.6.32 and later.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Haiyang Zhang 2011-02-02 13:42:58 -08:00 committed by Greg Kroah-Hartman
parent ebf53826e1
commit 7c161d0b90
1 changed files with 1 additions and 0 deletions
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1
drivers/staging/hv/netvsc_drv.c
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@ -236,6 +236,7 @@ static void netvsc_linkstatus_callback(struct hv_device *device_obj,
if (status == 1) {
netif_carrier_on(net);
netif_wake_queue(net);
netif_notify_peers(net);
} else {
netif_carrier_off(net);
netif_stop_queue(net);