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net/mlx5e: Expose catastrophic steering error counters 

Add generated_pkt_steering_fail and handled_pkt_steering_fail to devlink
heatlth reporter.
generated_pkt_steering_fail indicates the number of packets dropped due to
illegal steering operation within the vport steering domain.
handled_pkt_steering_fail indicates the number of packets dropped due to
illegal steering operation, originated by the vport.

Also, update devlink reporter functionality documentation with the newly
exposed counters.

Signed-off-by: Lama Kayal <lkayal@nvidia.com>
Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Lama Kayal 2023-06-06 00:12:14 -07:00 committed by Saeed Mahameed
parent 6ec0b55e72
commit a33682e4e7
3 changed files with 27 additions and 2 deletions
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7
Documentation/networking/device_drivers/ethernet/mellanox/mlx5/devlink.rst
View File

@ -290,6 +290,13 @@ Description of the vnic counters:
- nic_receive_steering_discard
number of packets that completed RX flow
steering but were discarded due to a mismatch in flow table.
- generated_pkt_steering_fail
number of packets generated by the VNIC experiencing unexpected steering
failure (at any point in steering flow).
- handled_pkt_steering_fail
number of packets handled by the VNIC experiencing unexpected steering
failure (at any point in steering flow owned by the VNIC, including the FDB
for the eswitch owner).
User commands examples:

10
drivers/net/ethernet/mellanox/mlx5/core/diag/reporter_vnic.c
View File

@ -76,6 +76,16 @@ int mlx5_reporter_vnic_diagnose_counters(struct mlx5_core_dev *dev,
if (err)
return err;
err = devlink_fmsg_u64_pair_put(fmsg, "generated_pkt_steering_fail",
VNIC_ENV_GET64(&vnic, generated_pkt_steering_fail));
if (err)
return err;
err = devlink_fmsg_u64_pair_put(fmsg, "handled_pkt_steering_fail",
VNIC_ENV_GET64(&vnic, handled_pkt_steering_fail));
if (err)
return err;
err = devlink_fmsg_obj_nest_end(fmsg);
if (err)
return err;

12
include/linux/mlx5/mlx5_ifc.h
View File

@ -1755,7 +1755,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_328[0x2];
u8 relaxed_ordering_read[0x1];
u8 log_max_pd[0x5];
u8 reserved_at_330[0x9];
u8 reserved_at_330[0x7];
u8 vnic_env_cnt_steering_fail[0x1];
u8 reserved_at_338[0x1];
u8 q_counter_aggregation[0x1];
u8 q_counter_other_vport[0x1];
u8 log_max_xrcd[0x5];
@ -3673,7 +3675,13 @@ struct mlx5_ifc_vnic_diagnostic_statistics_bits {
u8 eth_wqe_too_small[0x20];
u8 reserved_at_220[0xdc0];
u8 reserved_at_220[0xc0];
u8 generated_pkt_steering_fail[0x40];
u8 handled_pkt_steering_fail[0x40];
u8 reserved_at_360[0xc80];
};
struct mlx5_ifc_traffic_counter_bits {