diff options
author | Rahul Rameshbabu <rrameshbabu@nvidia.com> | 2024-04-03 14:28:40 -0700 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2024-04-05 22:24:09 -0700 |
commit | adda5401807882f5575364442cd583462fc40ae4 (patch) | |
tree | 2679b3e980f34bed20e54bc439b7eff290bf8347 /drivers/net/ethernet/mellanox/mlx5/core/en | |
parent | 0e9c127729be19adcdf2f5cc1f3450a4322fdf3a (diff) |
net/mlx5e: Introduce lost_cqe statistic counter for PTP Tx port timestamping CQ
Track the number of times a CQE was expected to not be delivered on PTP Tx
port timestamping CQ. A CQE is expected to not be delivered if a certain
amount of time passes since the corresponding CQE containing the DMA
timestamp information has arrived. Increment the late_cqe counter when such
a CQE does manage to be delivered to the CQ.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20240403212931.128541-3-rrameshbabu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c index d0af7271da34..afd654583b6b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c @@ -169,6 +169,7 @@ static void mlx5e_ptpsq_mark_ts_cqes_undelivered(struct mlx5e_ptpsq *ptpsq, WARN_ON_ONCE(!pos->inuse); pos->inuse = false; list_del(&pos->entry); + ptpsq->cq_stats->lost_cqe++; } spin_unlock_bh(&cqe_list->tracker_list_lock); } |