ehea: Add 64bit statistics

Switch to using ndo_get_stats64 to get 64bit statistics.

v3:
[cascardo] use rtnl_link_stats64 as port stats

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/ibm/ehea/ehea.h b/drivers/net/ethernet/ibm/ehea/ehea.h
index 7aa47d8..c9dbe52 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea.h
+++ b/drivers/net/ethernet/ibm/ehea/ehea.h
@@ -448,7 +448,7 @@
 struct ehea_port {
 	struct ehea_adapter *adapter;	 /* adapter that owns this port */
 	struct net_device *netdev;
-	struct net_device_stats stats;
+	struct rtnl_link_stats64 stats;
 	struct ehea_port_res port_res[EHEA_MAX_PORT_RES];
 	struct platform_device  ofdev; /* Open Firmware Device */
 	struct ehea_mc_list *mc_list;	 /* Multicast MAC addresses */