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| author |   Tariq Toukan <tariqt@mellanox.com> | 2018-03-04 14:25:00 +0200 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2018-06-28 14:44:18 -0700 |
| commit | dc983f0e2b6e2b514cdb1c687fdf7b5a007f8ea4 (patch) | |
| tree | 2d8420e74f146c8ecaff023986591a73ca408b59 /drivers/net/ethernet/mellanox/mlx5/core/en_stats.c | |
| parent | net/mlx5e: Add NAPI statistics (diff) | |
| download | linux-dev-dc983f0e2b6e2b514cdb1c687fdf7b5a007f8ea4.tar.xz linux-dev-dc983f0e2b6e2b514cdb1c687fdf7b5a007f8ea4.zip | |
net/mlx5e: Add a counter for congested UMRs
Add per-ring and global ethtool counters for congested UMR requests.
These events indicate congestion in UMR handlers in HW.
Such event is concluded when there's an outstanding UMR post,
yet the SW consumed at least two additional MPWQEs in the meanwhile.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_stats.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_stats.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index ec7784189dc2..dd3b5a028a97 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -83,6 +83,7 @@ static const struct counter_desc sw_stats_desc[] = { { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_empty) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_busy) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_waive) }, + { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_congst_umr) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, ch_poll) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, ch_arm) }, { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, ch_aff_change) }, @@ -152,6 +153,7 @@ void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv) s->rx_cache_empty += rq_stats->cache_empty; s->rx_cache_busy += rq_stats->cache_busy; s->rx_cache_waive += rq_stats->cache_waive; + s->rx_congst_umr += rq_stats->congst_umr; s->ch_poll += ch_stats->poll; s->ch_arm += ch_stats->arm; s->ch_aff_change += ch_stats->aff_change; @@ -1135,6 +1137,7 @@ static const struct counter_desc rq_stats_desc[] = { { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, cache_empty) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, cache_busy) }, { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, cache_waive) }, + { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, congst_umr) }, }; static const struct counter_desc sq_stats_desc[] = { |