Commit 1be2361e authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

mlxsw: spectrum_router: Prepare for nexthops with trap action 



Nexthops that need to be programmed with a trap action might not have a
valid router interface (RIF) associated with them. Therefore, use the
loopback RIF created during initialization to program them to the
device.

Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Reviewed-by: default avatarPetr Machata <petrm@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 031d5c16

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

+4 −1
Original line number Diff line number Diff line
@@ -3411,10 +3411,13 @@ static int __mlxsw_sp_nexthop_update(struct mlxsw_sp *mlxsw_sp, u32 adj_index, 
{

	struct mlxsw_sp_neigh_entry *neigh_entry = nh->neigh_entry;

	char ratr_pl[MLXSW_REG_RATR_LEN];

	u16 rif_index;



	rif_index = nh->rif ? nh->rif->rif_index :

			      mlxsw_sp->router->lb_rif_index;

	mlxsw_reg_ratr_pack(ratr_pl, MLXSW_REG_RATR_OP_WRITE_WRITE_ENTRY,

			    true, MLXSW_REG_RATR_TYPE_ETHERNET,

			    adj_index, nh->rif->rif_index);

			    adj_index, rif_index);

	if (nh->action == MLXSW_SP_NEXTHOP_ACTION_DISCARD)

		mlxsw_reg_ratr_trap_action_set(ratr_pl,

					       MLXSW_REG_RATR_TRAP_ACTION_DISCARD_ERRORS);