diff options
| author | Amit Cohen <amitc@mellanox.com> | 2020-08-03 19:11:33 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-03 18:06:46 -0700 |
| commit | 08e335f6ad35a019f4cb1a74badc2f4bceb63bcf (patch) | |
| tree | 566f7e133e134f278393c8b825e0235fefa5db88 | |
| parent | 80fbbb1672e7815a15d7329638537961d65c453d (diff) | |
devlink: Add early_drop trap
Add the packet trap that can report packets that were ECN marked due to RED
AQM.
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | Documentation/networking/devlink/devlink-trap.rst | 4 | ||||
| -rw-r--r-- | include/net/devlink.h | 3 | ||||
| -rw-r--r-- | net/core/devlink.c | 1 |
3 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/networking/devlink/devlink-trap.rst b/Documentation/networking/devlink/devlink-trap.rst index 2014307fbe63..7a798352b45d 100644 --- a/Documentation/networking/devlink/devlink-trap.rst +++ b/Documentation/networking/devlink/devlink-trap.rst @@ -405,6 +405,10 @@ be added to the following table: - ``control`` - Traps packets logged during processing of flow action trap (e.g., via tc's trap action) + * - ``early_drop`` + - ``drop`` + - Traps packets dropped due to the RED (Random Early Detection) algorithm + (i.e., early drops) Driver-specific Packet Traps ============================ diff --git a/include/net/devlink.h b/include/net/devlink.h index 0606967cb501..fd3ae0760492 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -703,6 +703,7 @@ enum devlink_trap_generic_id { DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, + DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, /* Add new generic trap IDs above */ __DEVLINK_TRAP_GENERIC_ID_MAX, @@ -891,6 +892,8 @@ enum devlink_trap_group_generic_id { "flow_action_sample" #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ "flow_action_trap" +#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ + "early_drop" #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ "l2_drops" diff --git a/net/core/devlink.c b/net/core/devlink.c index 5fdebb7289e9..bde4c29a30bc 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -8801,6 +8801,7 @@ static const struct devlink_trap devlink_trap_generic[] = { DEVLINK_TRAP(PTP_GENERAL, CONTROL), DEVLINK_TRAP(FLOW_ACTION_SAMPLE, CONTROL), DEVLINK_TRAP(FLOW_ACTION_TRAP, CONTROL), + DEVLINK_TRAP(EARLY_DROP, DROP), }; #define DEVLINK_TRAP_GROUP(_id) \ |