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Commit 0d284818 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

mlxsw: spectrum_router: Flood unregistered multicast packets to router 



Up until now we only flooded broadcast packets to the router when an L3
interface was configured on top of a bridge. However, IPv6 Neighbour
Discovery packets are trapped to the CPU inside the router and these can
be sent with a multicast address.

Flood unregistered multicast packets to the router port, so that
relevant packets could be trapped there.

Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8d54814e

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

+20 −0
Original line number Diff line number Diff line
@@ -3558,6 +3558,11 @@ static int mlxsw_sp_rif_vlan_configure(struct mlxsw_sp_rif *rif) 
	if (err)

		return err;



	err = mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,

				     mlxsw_sp_router_port(mlxsw_sp), true);

	if (err)

		goto err_fid_mc_flood_set;



	err = mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_BC,

				     mlxsw_sp_router_port(mlxsw_sp), true);

	if (err)
@@ -3566,6 +3571,9 @@ static int mlxsw_sp_rif_vlan_configure(struct mlxsw_sp_rif *rif) 
	return 0;



err_fid_bc_flood_set:

	mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,

			       mlxsw_sp_router_port(mlxsw_sp), false);

err_fid_mc_flood_set:

	mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_VLAN_IF, vid, false);

	return err;

}
@@ -3577,6 +3585,8 @@ static void mlxsw_sp_rif_vlan_deconfigure(struct mlxsw_sp_rif *rif) 


	mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_BC,

			       mlxsw_sp_router_port(mlxsw_sp), false);

	mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,

			       mlxsw_sp_router_port(mlxsw_sp), false);

	mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_VLAN_IF, vid, false);

}
@@ -3607,6 +3617,11 @@ static int mlxsw_sp_rif_fid_configure(struct mlxsw_sp_rif *rif) 
	if (err)

		return err;



	err = mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,

				     mlxsw_sp_router_port(mlxsw_sp), true);

	if (err)

		goto err_fid_mc_flood_set;



	err = mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_BC,

				     mlxsw_sp_router_port(mlxsw_sp), true);

	if (err)
@@ -3615,6 +3630,9 @@ static int mlxsw_sp_rif_fid_configure(struct mlxsw_sp_rif *rif) 
	return 0;



err_fid_bc_flood_set:

	mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,

			       mlxsw_sp_router_port(mlxsw_sp), false);

err_fid_mc_flood_set:

	mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_FID_IF, fid_index, false);

	return err;

}
@@ -3626,6 +3644,8 @@ static void mlxsw_sp_rif_fid_deconfigure(struct mlxsw_sp_rif *rif) 


	mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_BC,

			       mlxsw_sp_router_port(mlxsw_sp), false);

	mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,

			       mlxsw_sp_router_port(mlxsw_sp), false);

	mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_FID_IF, fid_index, false);

}