rocker: Change world_ops API and implementation to be switchdev independant

Currently the switchdev_trans struct is embedded in the world_ops API.
In order to add support for adding FDB via a notfication chain the API should
be switchdev independent.
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/rocker.h

@@ -105,8 +105,7 @@ struct rocker_world_ops {
 	int (*port_open)(struct rocker_port *rocker_port);
 	void (*port_stop)(struct rocker_port *rocker_port);
 	int (*port_attr_stp_state_set)(struct rocker_port *rocker_port,
-				       u8 state,
-				       struct switchdev_trans *trans);
+				       u8 state);
 	int (*port_attr_bridge_flags_set)(struct rocker_port *rocker_port,
 					  unsigned long brport_flags,
 					  struct switchdev_trans *trans);
@@ -120,18 +119,16 @@ struct rocker_world_ops {
 						u32 ageing_time,
 						struct switchdev_trans *trans);
 	int (*port_obj_vlan_add)(struct rocker_port *rocker_port,
-				 const struct switchdev_obj_port_vlan *vlan,
-				 struct switchdev_trans *trans);
+				 const struct switchdev_obj_port_vlan *vlan);
 	int (*port_obj_vlan_del)(struct rocker_port *rocker_port,
 				 const struct switchdev_obj_port_vlan *vlan);
 	int (*port_obj_vlan_dump)(const struct rocker_port *rocker_port,
 				  struct switchdev_obj_port_vlan *vlan,
 				  switchdev_obj_dump_cb_t *cb);
 	int (*port_obj_fdb_add)(struct rocker_port *rocker_port,
-				const struct switchdev_obj_port_fdb *fdb,
-				struct switchdev_trans *trans);
+				u16 vid, const unsigned char *addr);
 	int (*port_obj_fdb_del)(struct rocker_port *rocker_port,
-				const struct switchdev_obj_port_fdb *fdb);
+				u16 vid, const unsigned char *addr);
 	int (*port_obj_fdb_dump)(const struct rocker_port *rocker_port,
 				 struct switchdev_obj_port_fdb *fdb,
 				 switchdev_obj_dump_cb_t *cb);

drivers/net/ethernet/rocker/rocker_main.c

@@ -1557,7 +1557,11 @@ static int rocker_world_port_attr_stp_state_set(struct rocker_port *rocker_port,
 
 	if (!wops->port_attr_stp_state_set)
 		return -EOPNOTSUPP;
-	return wops->port_attr_stp_state_set(rocker_port, state, trans);
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
+	return wops->port_attr_stp_state_set(rocker_port, state);
 }
 
 static int
@@ -1569,6 +1573,10 @@ rocker_world_port_attr_bridge_flags_set(struct rocker_port *rocker_port,
 
 	if (!wops->port_attr_bridge_flags_set)
 		return -EOPNOTSUPP;
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
 	return wops->port_attr_bridge_flags_set(rocker_port, brport_flags,
 						trans);
 }
@@ -1608,6 +1616,10 @@ rocker_world_port_attr_bridge_ageing_time_set(struct rocker_port *rocker_port,
 
 	if (!wops->port_attr_bridge_ageing_time_set)
 		return -EOPNOTSUPP;
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
 	return wops->port_attr_bridge_ageing_time_set(rocker_port, ageing_time,
 						      trans);
 }
@@ -1621,7 +1633,11 @@ rocker_world_port_obj_vlan_add(struct rocker_port *rocker_port,
 
 	if (!wops->port_obj_vlan_add)
 		return -EOPNOTSUPP;
-	return wops->port_obj_vlan_add(rocker_port, vlan, trans);
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
+	return wops->port_obj_vlan_add(rocker_port, vlan);
 }
 
 static int
@@ -1656,7 +1672,11 @@ rocker_world_port_obj_fdb_add(struct rocker_port *rocker_port,
 
 	if (!wops->port_obj_fdb_add)
 		return -EOPNOTSUPP;
-	return wops->port_obj_fdb_add(rocker_port, fdb, trans);
+
+	if (switchdev_trans_ph_prepare(trans))
+		return 0;
+
+	return wops->port_obj_fdb_add(rocker_port, fdb->vid, fdb->addr);
 }
 
 static int
@@ -1667,7 +1687,7 @@ rocker_world_port_obj_fdb_del(struct rocker_port *rocker_port,
 
 	if (!wops->port_obj_fdb_del)
 		return -EOPNOTSUPP;
-	return wops->port_obj_fdb_del(rocker_port, fdb);
+	return wops->port_obj_fdb_del(rocker_port, fdb->vid, fdb->addr);
 }
 
 static int