switchdev: add port vlan obj

VLAN obj has flags (PVID and untagged) as well as start and end vid ranges.
The switchdev driver can optimize programing the device using the ranges.
Signed-off-by: NScott Feldman <sfeldma@gmail.com>
Acked-by: NJiri Pirko <jiri@resnulli.us>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/switchdev.h

@@ -43,11 +43,19 @@ struct fib_info;
 
 enum switchdev_obj_id {
 	SWITCHDEV_OBJ_UNDEFINED,
+	SWITCHDEV_OBJ_PORT_VLAN,
 };
 
 struct switchdev_obj {
 	enum switchdev_obj_id id;
 	enum switchdev_trans trans;
+	union {
+		struct switchdev_obj_vlan {			/* PORT_VLAN */
+			u16 flags;
+			u16 vid_start;
+			u16 vid_end;
+		} vlan;
+	};
 };
 
 /**