net: dsa: microchip: ksz8: Implement add/del_fdb and use static MAC table operations

Add support for add/del_fdb operations and utilize the refactored static
MAC table code. This resolves kernel warnings caused by the lack of fdb
add function support in the current driver.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

drivers/net/dsa/microchip/ksz8.h

@@ -32,6 +32,10 @@ void ksz8_freeze_mib(struct ksz_device *dev, int port, bool freeze);
 void ksz8_port_init_cnt(struct ksz_device *dev, int port);
 int ksz8_fdb_dump(struct ksz_device *dev, int port,
 		  dsa_fdb_dump_cb_t *cb, void *data);
+int ksz8_fdb_add(struct ksz_device *dev, int port, const unsigned char *addr,
+		 u16 vid, struct dsa_db db);
+int ksz8_fdb_del(struct ksz_device *dev, int port, const unsigned char *addr,
+		 u16 vid, struct dsa_db db);
 int ksz8_mdb_add(struct ksz_device *dev, int port,
 		 const struct switchdev_obj_port_mdb *mdb, struct dsa_db db);
 int ksz8_mdb_del(struct ksz_device *dev, int port,

drivers/net/dsa/microchip/ksz8795.c

@@ -1061,6 +1061,18 @@ int ksz8_mdb_del(struct ksz_device *dev, int port,
 	return ksz8_del_sta_mac(dev, port, mdb->addr, mdb->vid);
 }
 
+int ksz8_fdb_add(struct ksz_device *dev, int port, const unsigned char *addr,
+		 u16 vid, struct dsa_db db)
+{
+	return ksz8_add_sta_mac(dev, port, addr, vid);
+}
+
+int ksz8_fdb_del(struct ksz_device *dev, int port, const unsigned char *addr,
+		 u16 vid, struct dsa_db db)
+{
+	return ksz8_del_sta_mac(dev, port, addr, vid);
+}
+
 int ksz8_port_vlan_filtering(struct ksz_device *dev, int port, bool flag,
 			     struct netlink_ext_ack *extack)
 {

drivers/net/dsa/microchip/ksz_common.c

@@ -200,6 +200,8 @@ static const struct ksz_dev_ops ksz8_dev_ops = {
 	.freeze_mib = ksz8_freeze_mib,
 	.port_init_cnt = ksz8_port_init_cnt,
 	.fdb_dump = ksz8_fdb_dump,
+	.fdb_add = ksz8_fdb_add,
+	.fdb_del = ksz8_fdb_del,
 	.mdb_add = ksz8_mdb_add,
 	.mdb_del = ksz8_mdb_del,
 	.vlan_filtering = ksz8_port_vlan_filtering,