net: dsa: use switchdev obj for VLAN add/del ops

Simplify DSA by pushing the switchdev objects for VLAN add and delete
operations down to its drivers. Currently only mv88e6xxx is affected.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 98ccbde..82a4c60 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -200,6 +200,7 @@
 struct switchdev_trans;
 struct switchdev_obj;
 struct switchdev_obj_port_fdb;
+struct switchdev_obj_port_vlan;
 
 struct dsa_switch_driver {
 	struct list_head	list;
@@ -309,11 +310,15 @@
 	/*
 	 * VLAN support
 	 */
+	int	(*port_vlan_prepare)(struct dsa_switch *ds, int port,
+				     const struct switchdev_obj_port_vlan *vlan,
+				     struct switchdev_trans *trans);
+	int	(*port_vlan_add)(struct dsa_switch *ds, int port,
+				 const struct switchdev_obj_port_vlan *vlan,
+				 struct switchdev_trans *trans);
+	int	(*port_vlan_del)(struct dsa_switch *ds, int port,
+				 const struct switchdev_obj_port_vlan *vlan);
 	int	(*port_pvid_get)(struct dsa_switch *ds, int port, u16 *pvid);
-	int	(*port_pvid_set)(struct dsa_switch *ds, int port, u16 pvid);
-	int	(*port_vlan_add)(struct dsa_switch *ds, int port, u16 vid,
-				 bool untagged);
-	int	(*port_vlan_del)(struct dsa_switch *ds, int port, u16 vid);
 	int	(*vlan_getnext)(struct dsa_switch *ds, u16 *vid,
 				unsigned long *ports, unsigned long *untagged);