netxen: Notify firmware of Flex-10 interface down

Notify firmware when a Flex-10 interface is brought down
so that virtual connect manager can display the correct link status.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/netxen/netxen_nic_main.c

@@ -1032,6 +1032,9 @@ __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
 	netif_carrier_off(netdev);
 	netif_tx_disable(netdev);
 
+	if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
+		netxen_linkevent_request(adapter, 0);
+
 	if (adapter->stop_port)
 		adapter->stop_port(adapter);