mlxsw: spectrum: Update mc_disabled flag by switchdev attr

Add a function to update mc_disabled from switchdev attr
SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED

Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 9540f202c521bebfb78d12636d03aa678f188262..598727d578c16e924ac5b25a98a7d622e02dc06a 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -274,6 +274,30 @@ err_port_flood_set:
        return err;
 }
 
+static int mlxsw_sp_port_mc_disabled_set(struct mlxsw_sp_port *mlxsw_sp_port,
+                                        struct switchdev_trans *trans,
+                                        bool mc_disabled)
+{
+       int set;
+       int err = 0;
+
+       if (switchdev_trans_ph_prepare(trans))
+               return 0;
+
+       if (mlxsw_sp_port->mc_router != mlxsw_sp_port->mc_flood) {
+               set = mc_disabled ?
+                       mlxsw_sp_port->mc_flood : mlxsw_sp_port->mc_router;
+               err = mlxsw_sp_port_flood_table_set(mlxsw_sp_port,
+                                                   MLXSW_SP_FLOOD_TABLE_MC,
+                                                   set);
+       }
+
+       if (!err)
+               mlxsw_sp_port->mc_disabled = mc_disabled;
+
+       return err;
+}
+
 int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid,
                             bool set)
 {
@@ -461,6 +485,10 @@ static int mlxsw_sp_port_attr_set(struct net_device *dev,
                err = mlxsw_sp_port_attr_mc_router_set(mlxsw_sp_port, trans,
                                                       attr->u.mrouter);
                break;
+       case SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED:
+               err = mlxsw_sp_port_mc_disabled_set(mlxsw_sp_port, trans,
+                                                   attr->u.mc_disabled);
+               break;
        default:
                err = -EOPNOTSUPP;
                break;