[PATCH net-next 06/14] mlxsw: spectrum_router: Prepare for nexthops with trap action
From: Ido Schimmel <hidden>
Date: 2021-03-22 16:00:48
Subsystem:
mellanox ethernet switch drivers, networking drivers, the rest · Maintainers:
Ido Schimmel, Petr Machata, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Ido Schimmel <idosch@nvidia.com> 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: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> --- drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 3ad1e1bd2197..d09a76866a5f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c@@ -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);
--
2.29.2