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Commit 3ddda117 authored by Nogah Frankel's avatar Nogah Frankel Committed by David S. Miller
Browse files

mlxsw: spectrum_switchdev: Update the mdb of mrouter port change 



Whenever a port starts / stops being mrouter, update all the mdb entries
in the HW to flood / stop flooding mc packets there.
The change should happen only if the port is not in the mid. (If it is,
the mid should flood mc packets to this port anyway)

Signed-off-by: default avatarNogah Frankel <nogahf@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3fba877c

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

+23 −0
Original line number Diff line number Diff line
@@ -130,6 +130,11 @@ mlxsw_sp_bridge_mdb_mc_enable_sync(struct mlxsw_sp_port *mlxsw_sp_port, 
				   struct mlxsw_sp_bridge_device

				   *bridge_device);



static void

mlxsw_sp_port_mrouter_update_mdb(struct mlxsw_sp_port *mlxsw_sp_port,

				 struct mlxsw_sp_bridge_port *bridge_port,

				 bool add);



static struct mlxsw_sp_bridge_device *

mlxsw_sp_bridge_device_find(const struct mlxsw_sp_bridge *bridge,

			    const struct net_device *br_dev)
@@ -747,6 +752,8 @@ static int mlxsw_sp_port_attr_mrouter_set(struct mlxsw_sp_port *mlxsw_sp_port, 
	if (err)

		return err;



	mlxsw_sp_port_mrouter_update_mdb(mlxsw_sp_port, bridge_port,

					 is_port_mrouter);

out:

	bridge_port->mrouter = is_port_mrouter;

	return 0;
@@ -1517,6 +1524,22 @@ mlxsw_sp_bridge_mdb_mc_enable_sync(struct mlxsw_sp_port *mlxsw_sp_port, 
	}

}



static void

mlxsw_sp_port_mrouter_update_mdb(struct mlxsw_sp_port *mlxsw_sp_port,

				 struct mlxsw_sp_bridge_port *bridge_port,

				 bool add)

{

	struct mlxsw_sp_bridge_device *bridge_device;

	struct mlxsw_sp_mid *mid;



	bridge_device = bridge_port->bridge_device;



	list_for_each_entry(mid, &bridge_device->mids_list, list) {

		if (!test_bit(mlxsw_sp_port->local_port, mid->ports_in_mid))

			mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, add);

	}

}



static int mlxsw_sp_port_obj_add(struct net_device *dev,

				 const struct switchdev_obj *obj,

				 struct switchdev_trans *trans)