From 37b50e556ef59e7231e8ef71b28b748b0537972b Mon Sep 17 00:00:00 2001
From: Ido Schimmel <idosch@nvidia.com>
Date: Mon, 23 Nov 2020 09:12:29 +0200
Subject: [PATCH] mlxsw: spectrum_trap: Add blackhole_nexthop trap
Register with devlink the blackhole_nexthop trap so that mlxsw will be
able to report packets dropped due to a blackhole nexthop.
The internal trap identifier is "DISCARD_ROUTER3", which traps packets
dropped in the adjacency table.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
index 8fd7d858f3c80..4ef12e3e021a8 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
@@ -1007,6 +1007,12 @@ static const struct mlxsw_sp_trap_item mlxsw_sp_trap_items_arr[] = {
false),
},
},
+ {
+ .trap = MLXSW_SP_TRAP_DROP(BLACKHOLE_NEXTHOP, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ROUTER3, L3_DISCARDS),
+ },
+ },
};
static struct mlxsw_sp_trap_policer_item *
--
GitLab