net: Add netif_is_bareudp() API to identify bareudp devices

Add netif_is_bareudp() so the device can be identified as a bareudp one.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

include/net/bareudp.h

@@ -5,6 +5,7 @@
 
 #include <linux/types.h>
 #include <linux/skbuff.h>
+#include <net/rtnetlink.h>
 
 struct bareudp_conf {
 	__be16 ethertype;
@@ -17,4 +18,10 @@ struct net_device *bareudp_dev_create(struct net *net, const char *name,
 				      u8 name_assign_type,
 				      struct bareudp_conf *info);
 
+static inline bool netif_is_bareudp(const struct net_device *dev)
+{
+	return dev->rtnl_link_ops &&
+	       !strcmp(dev->rtnl_link_ops->kind, "bareudp");
+}
+
 #endif