xen: netfront: explicitly generate arp_notify event after migration.

Use newly introduced netif_notify_peers() method to ensure a gratuitous ARP is
generated after a migration.

Signed-off-by: Ian Campbell <[email protected]>
Cc: Stephen Hemminger <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index d504e2b6025705ded7ee1ac4524791818d8c5ec5..b50fedcef8ac9dd9872a51ed63cb0b6c3135c778 100644 (file)
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1621,6 +1621,7 @@ static void backend_changed(struct xenbus_device *dev,
                if (xennet_connect(netdev) != 0)
                        break;
                xenbus_switch_state(dev, XenbusStateConnected);
+               netif_notify_peers(netdev);
                break;
 
        case XenbusStateClosing: