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| author |   Amit Cohen <amitc@mellanox.com> | 2020-01-19 15:00:58 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-01-19 16:23:52 +0100 |
| commit | c3cae4916e57d2f0364d5e7769218547fb1b7c60 (patch) | |
| tree | b770c04c34e7871bbea6242a966284770207fa28 | |
| parent | selftests: devlink_trap_tunnel_ipip: Add test case for decap_error (diff) | |
| download | linux-dev-c3cae4916e57d2f0364d5e7769218547fb1b7c60.tar.xz linux-dev-c3cae4916e57d2f0364d5e7769218547fb1b7c60.zip | |
devlink: Add overlay source MAC is multicast trap
Add packet trap that can report NVE packets that the device decided to
drop because their overlay source MAC is multicast.
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-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 014f0a34c0e4..47a429bb8658 100644 --- a/Documentation/networking/devlink/devlink-trap.rst +++ b/Documentation/networking/devlink/devlink-trap.rst @@ -234,6 +234,10 @@ be added to the following table: - Traps NVE and IPinIP packets that the device decided to drop because of failure during decapsulation (e.g., packet being too short, reserved bits set in VXLAN header) + * - ``overlay_smac_is_mc`` + - ``drop`` + - Traps NVE packets that the device decided to drop because their overlay + source MAC is multicast Driver-specific Packet Traps ============================ diff --git a/include/net/devlink.h b/include/net/devlink.h index 455282a4b714..2813fd06ee89 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -593,6 +593,7 @@ enum devlink_trap_generic_id { DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, + DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, /* Add new generic trap IDs above */ __DEVLINK_TRAP_GENERIC_ID_MAX, @@ -666,6 +667,8 @@ enum devlink_trap_group_generic_id { "non_routable_packet" #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ "decap_error" +#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ + "overlay_smac_is_mc" #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ "l2_drops" diff --git a/net/core/devlink.c b/net/core/devlink.c index af85fcd9b01e..e5b19bd2cbe2 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -7708,6 +7708,7 @@ static const struct devlink_trap devlink_trap_generic[] = { DEVLINK_TRAP(IPV6_LPM_UNICAST_MISS, EXCEPTION), DEVLINK_TRAP(NON_ROUTABLE, DROP), DEVLINK_TRAP(DECAP_ERROR, EXCEPTION), + DEVLINK_TRAP(OVERLAY_SMAC_MC, DROP), }; #define DEVLINK_TRAP_GROUP(_id) \ |