From: Aya Levin <[email protected]> Add packet trap that can report packets that were dropped due to destination MAC filtering.
Signed-off-by: Aya Levin <[email protected]> Reviewed-by: Ido Schimmel <[email protected]> Reviewed-by: Moshe Shemesh <[email protected]> Reviewed-by: Tariq Toukan <[email protected]> Signed-off-by: Tariq Toukan <[email protected]> Signed-off-by: Saeed Mahameed <[email protected]> --- Documentation/networking/devlink/devlink-trap.rst | 5 +++++ include/net/devlink.h | 3 +++ net/core/devlink.c | 1 + 3 files changed, 9 insertions(+) diff --git a/Documentation/networking/devlink/devlink-trap.rst b/Documentation/networking/devlink/devlink-trap.rst index d875f3e1e9cf..1dd86976ecf8 100644 --- a/Documentation/networking/devlink/devlink-trap.rst +++ b/Documentation/networking/devlink/devlink-trap.rst @@ -480,6 +480,11 @@ be added to the following table: - ``drop`` - Traps packets that the device decided to drop in case they hit a blackhole nexthop + * - ``dmac_filter`` + - ``drop`` + - Traps incoming packets that the device decided to drop in case + the destination MAC is not configured in the MAC table + Driver-specific Packet Traps ============================ diff --git a/include/net/devlink.h b/include/net/devlink.h index d12ed2854c34..426b98e74b6e 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -838,6 +838,7 @@ enum devlink_trap_generic_id { DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, + DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, /* Add new generic trap IDs above */ __DEVLINK_TRAP_GENERIC_ID_MAX, @@ -1063,6 +1064,8 @@ enum devlink_trap_group_generic_id { "esp_parsing" #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ "blackhole_nexthop" +#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ + "dest_mac_filter" #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ "l2_drops" diff --git a/net/core/devlink.c b/net/core/devlink.c index 72ea79879762..f6e6445b9801 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -9512,6 +9512,7 @@ static const struct devlink_trap devlink_trap_generic[] = { DEVLINK_TRAP(GTP_PARSING, DROP), DEVLINK_TRAP(ESP_PARSING, DROP), DEVLINK_TRAP(BLACKHOLE_NEXTHOP, DROP), + DEVLINK_TRAP(DMAC_FILTER, DROP), }; #define DEVLINK_TRAP_GROUP(_id) \ -- 2.29.2
