net/vxlan: Add ethtool drvinfo

Implement ethtool get_drvinfo.
Signed-off-by: Yan Burman <yanb@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/vxlan.c

@@ -29,6 +29,7 @@
 #include <linux/etherdevice.h>
 #include <linux/if_ether.h>
 #include <linux/hash.h>
+#include <linux/ethtool.h>
 #include <net/arp.h>
 #include <net/ndisc.h>
 #include <net/ip.h>
@@ -1271,6 +1272,18 @@ static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[])
 	return 0;
 }
 
+static void vxlan_get_drvinfo(struct net_device *netdev,
+			      struct ethtool_drvinfo *drvinfo)
+{
+	strlcpy(drvinfo->version, VXLAN_VERSION, sizeof(drvinfo->version));
+	strlcpy(drvinfo->driver, "vxlan", sizeof(drvinfo->driver));
+}
+
+static const struct ethtool_ops vxlan_ethtool_ops = {
+	.get_drvinfo	= vxlan_get_drvinfo,
+	.get_link	= ethtool_op_get_link,
+};
+
 static int vxlan_newlink(struct net *net, struct net_device *dev,
 			 struct nlattr *tb[], struct nlattr *data[])
 {
@@ -1348,6 +1361,8 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
 		vxlan->port_max = ntohs(p->high);
 	}
 
+	SET_ETHTOOL_OPS(dev, &vxlan_ethtool_ops);
+
 	err = register_netdevice(dev);
 	if (!err)
 		hlist_add_head_rcu(&vxlan->hlist, vni_head(net, vxlan->vni));