From 73699d1edf1765b9c52f668998b2201176ce1377 Mon Sep 17 00:00:00 2001 From: Haiyang Zhang Date: Wed, 2 Feb 2011 13:42:58 -0800 Subject: [PATCH] staging: hv: Enable sending GARP packet after live migration commit 7c161d0b900ea9bd9fc5ea5d3fa9916e9eb0dd88 upstream. 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 Signed-off-by: Hank Janssen Signed-off-by: Greg Kroah-Hartman Signed-off-by: Paul Gortmaker --- drivers/staging/hv/netvsc_drv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c index 91e413e5258a..d6940f402400 100644 --- a/drivers/staging/hv/netvsc_drv.c +++ b/drivers/staging/hv/netvsc_drv.c @@ -286,6 +286,7 @@ 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); -- 2.39.5