mlxsw: Enable configuration of flooding domains

As part of the introduction of L2 offloads, allow different ports to
join/leave the flooding domain, according to user configuration.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/reg.h

@@ -363,7 +363,7 @@ static inline void mlxsw_reg_sftr_pack(char *payload,
 				       unsigned int flood_table,
 				       unsigned int index,
 				       enum mlxsw_flood_table_type table_type,
-				       unsigned int range)
+				       unsigned int range, u8 port, bool set)
 {
 	MLXSW_REG_ZERO(sftr, payload);
 	mlxsw_reg_sftr_swid_set(payload, 0);
@@ -371,8 +371,8 @@ static inline void mlxsw_reg_sftr_pack(char *payload,
 	mlxsw_reg_sftr_index_set(payload, index);
 	mlxsw_reg_sftr_table_type_set(payload, table_type);
 	mlxsw_reg_sftr_range_set(payload, range);
-	mlxsw_reg_sftr_port_set(payload, MLXSW_PORT_CPU_PORT, 1);
-	mlxsw_reg_sftr_port_mask_set(payload, MLXSW_PORT_CPU_PORT, 1);
+	mlxsw_reg_sftr_port_set(payload, port, set);
+	mlxsw_reg_sftr_port_mask_set(payload, port, 1);
 }
 
 /* SPMLR - Switch Port MAC Learning Register

drivers/net/ethernet/mellanox/mlxsw/switchx2.c

@@ -1377,7 +1377,8 @@ static int mlxsw_sx_flood_init(struct mlxsw_sx *mlxsw_sx)
 	sftr_pl = kmalloc(MLXSW_REG_SFTR_LEN, GFP_KERNEL);
 	if (!sftr_pl)
 		return -ENOMEM;
-	mlxsw_reg_sftr_pack(sftr_pl, 0, 0, MLXSW_REG_SFGC_TABLE_TYPE_SINGLE, 0);
+	mlxsw_reg_sftr_pack(sftr_pl, 0, 0, MLXSW_REG_SFGC_TABLE_TYPE_SINGLE, 0,
+			    MLXSW_PORT_CPU_PORT, true);
 	err = mlxsw_reg_write(mlxsw_sx->core, MLXSW_REG(sftr), sftr_pl);
 	kfree(sftr_pl);
 	if (err)