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devlink: Add non-routable packet trap

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Add packet trap that can report packets that reached the router, but are
non-routable. For example, IGMP queries can be flooded by the device in
layer 2 and reach the router. Such packets should not be routed and
instead dropped.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amit Cohen
2020-01-19 15:00:48 +02:00
committed by David S. Miller
parent 740e87bc3d
commit 95f0ead8f0
3 changed files with 10 additions and 0 deletions
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3
include/net/devlink.h
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@@ -591,6 +591,7 @@ enum devlink_trap_generic_id {
DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
/* Add new generic trap IDs above */
__DEVLINK_TRAP_GENERIC_ID_MAX,
@@ -659,6 +660,8 @@ enum devlink_trap_group_generic_id {
"ipv4_lpm_miss"
#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
"ipv6_lpm_miss"
#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
"non_routable_packet"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
"l2_drops"