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mlxsw: spectrum_trap: Add blackhole_nexthop trap

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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>
This commit is contained in:
Ido Schimmel 2020-11-23 09:12:29 +02:00 committed by Jakub Kicinski
parent f0a5013e29
commit 37b50e556e
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
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@ -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 *