devlink: add ACL generic packet traps

Add packet traps that can report packets that were dropped during ACL
processing.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2020-02-24 08:35:47 +01:00 committed by David S. Miller
parent 4a23d45a3e
commit ecd942a0ef
3 changed files with 21 additions and 0 deletions

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@ -238,6 +238,12 @@ be added to the following table:
- ``drop``
- Traps NVE packets that the device decided to drop because their overlay
source MAC is multicast
* - ``ingress_flow_action_drop``
- ``drop``
- Traps packets dropped during processing of ingress flow action drop
* - ``egress_flow_action_drop``
- ``drop``
- Traps packets dropped during processing of egress flow action drop
Driver-specific Packet Traps
============================
@ -277,6 +283,9 @@ narrow. The description of these groups must be added to the following table:
* - ``tunnel_drops``
- Contains packet traps for packets that were dropped by the device during
tunnel encapsulation / decapsulation
* - ``acl_drops``
- Contains packet traps for packets that were dropped by the device during
ACL processing
Testing
=======

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@ -596,6 +596,8 @@ enum devlink_trap_generic_id {
DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
/* Add new generic trap IDs above */
__DEVLINK_TRAP_GENERIC_ID_MAX,
@ -610,6 +612,7 @@ enum devlink_trap_group_generic_id {
DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
/* Add new generic trap group IDs above */
__DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
@ -671,6 +674,10 @@ enum devlink_trap_group_generic_id {
"decap_error"
#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
"overlay_smac_is_mc"
#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
"ingress_flow_action_drop"
#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
"egress_flow_action_drop"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
"l2_drops"
@ -680,6 +687,8 @@ enum devlink_trap_group_generic_id {
"buffer_drops"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
"tunnel_drops"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
"acl_drops"
#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group, _metadata_cap) \
{ \

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@ -7795,6 +7795,8 @@ static const struct devlink_trap devlink_trap_generic[] = {
DEVLINK_TRAP(NON_ROUTABLE, DROP),
DEVLINK_TRAP(DECAP_ERROR, EXCEPTION),
DEVLINK_TRAP(OVERLAY_SMAC_MC, DROP),
DEVLINK_TRAP(INGRESS_FLOW_ACTION_DROP, DROP),
DEVLINK_TRAP(EGRESS_FLOW_ACTION_DROP, DROP),
};
#define DEVLINK_TRAP_GROUP(_id) \
@ -7808,6 +7810,7 @@ static const struct devlink_trap_group devlink_trap_group_generic[] = {
DEVLINK_TRAP_GROUP(L3_DROPS),
DEVLINK_TRAP_GROUP(BUFFER_DROPS),
DEVLINK_TRAP_GROUP(TUNNEL_DROPS),
DEVLINK_TRAP_GROUP(ACL_DROPS),
};
static int devlink_trap_generic_verify(const struct devlink_trap *trap)