SWITCHDEV_OBJ_PORT_FDB,
 };
 
-struct switchdev_obj {
-       enum switchdev_obj_id id;
-       int (*cb)(struct switchdev_obj *obj);
-       union {
-               struct switchdev_obj_vlan {             /* PORT_VLAN */
-                       u16 flags;
-                       u16 vid_begin;
-                       u16 vid_end;
-               } vlan;
-               struct switchdev_obj_ipv4_fib {         /* IPV4_FIB */
-                       u32 dst;
-                       int dst_len;
-                       struct fib_info *fi;
-                       u8 tos;
-                       u8 type;
-                       u32 nlflags;
-                       u32 tb_id;
-               } ipv4_fib;
-               struct switchdev_obj_fdb {              /* PORT_FDB */
-                       const unsigned char *addr;
-                       u16 vid;
-                       u16 ndm_state;
-               } fdb;
-       } u;
+/* SWITCHDEV_OBJ_PORT_VLAN */
+struct switchdev_obj_vlan {
+       u16 flags;
+       u16 vid_begin;
+       u16 vid_end;
+};
+
+/* SWITCHDEV_OBJ_IPV4_FIB */
+struct switchdev_obj_ipv4_fib {
+       u32 dst;
+       int dst_len;
+       struct fib_info *fi;
+       u8 tos;
+       u8 type;
+       u32 nlflags;
+       u32 tb_id;
+};
+
+/* SWITCHDEV_OBJ_PORT_FDB */
+struct switchdev_obj_fdb {
+       const unsigned char *addr;
+       u16 vid;
+       u16 ndm_state;
 };
 
 void switchdev_trans_item_enqueue(struct switchdev_trans *trans,
  *
  * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
  *
- * @switchdev_port_obj_add: Add an object to port (see switchdev_obj).
+ * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
  *
- * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj).
+ * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
  *
- * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj).
+ * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*).
  */
 struct switchdev_ops {
        int     (*switchdev_port_attr_get)(struct net_device *dev,