[PATCH net-next 2/4] net/mlx5e: Access PHY layer counter group as other counter groups
From: Tariq Toukan
Date: Thu Mar 13 2025 - 15:26:31 EST
From: Yael Chemla <ychemla@xxxxxxxxxx>
Adjust the way physical layer counters group is accessed to match the
generic method used for accessing other PPCNT counter groups.
Signed-off-by: Yael Chemla <ychemla@xxxxxxxxxx>
Reviewed-by: Cosmin Ratiu <cratiu@xxxxxxxxxx>
Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxx>
---
.../ethernet/mellanox/mlx5/core/en_stats.c | 25 +++++++++++++------
1 file changed, 18 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
index 77d34037b92b..0cf0c920532f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
@@ -1227,6 +1227,13 @@ void mlx5e_stats_ts_get(struct mlx5e_priv *priv,
mutex_unlock(&priv->state_lock);
}
+#define PPORT_PHY_LAYER_OFF(c) \
+ MLX5_BYTE_OFF(ppcnt_reg, \
+ counter_set.phys_layer_cntrs.c)
+static const struct counter_desc pport_phy_layer_cntrs_stats_desc[] = {
+ { "link_down_events_phy", PPORT_PHY_LAYER_OFF(link_down_events) }
+};
+
#define PPORT_PHY_STATISTICAL_OFF(c) \
MLX5_BYTE_OFF(ppcnt_reg, \
counter_set.phys_layer_statistical_cntrs.c##_high)
@@ -1243,6 +1250,8 @@ pport_phy_statistical_err_lanes_stats_desc[] = {
{ "rx_err_lane_3_phy", PPORT_PHY_STATISTICAL_OFF(phy_corrected_bits_lane3) },
};
+#define NUM_PPORT_PHY_LAYER_COUNTERS \
+ ARRAY_SIZE(pport_phy_layer_cntrs_stats_desc)
#define NUM_PPORT_PHY_STATISTICAL_COUNTERS \
ARRAY_SIZE(pport_phy_statistical_stats_desc)
#define NUM_PPORT_PHY_STATISTICAL_PER_LANE_COUNTERS \
@@ -1253,8 +1262,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(phy)
struct mlx5_core_dev *mdev = priv->mdev;
int num_stats;
- /* "1" for link_down_events special counter */
- num_stats = 1;
+ num_stats = NUM_PPORT_PHY_LAYER_COUNTERS;
num_stats += MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group) ?
NUM_PPORT_PHY_STATISTICAL_COUNTERS : 0;
@@ -1270,7 +1278,8 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(phy)
struct mlx5_core_dev *mdev = priv->mdev;
int i;
- ethtool_puts(data, "link_down_events_phy");
+ for (i = 0; i < NUM_PPORT_PHY_LAYER_COUNTERS; i++)
+ ethtool_puts(data, pport_phy_layer_cntrs_stats_desc[i].format);
if (MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group))
for (i = 0; i < NUM_PPORT_PHY_STATISTICAL_COUNTERS; i++)
@@ -1287,10 +1296,12 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(phy)
struct mlx5_core_dev *mdev = priv->mdev;
int i;
- /* link_down_events_phy has special handling since it is not stored in __be64 format */
- mlx5e_ethtool_put_stat(
- data, MLX5_GET(ppcnt_reg, priv->stats.pport.phy_counters,
- counter_set.phys_layer_cntrs.link_down_events));
+ for (i = 0; i < NUM_PPORT_PHY_LAYER_COUNTERS; i++)
+ mlx5e_ethtool_put_stat(
+ data,
+ MLX5E_READ_CTR32_BE(&priv->stats.pport
+ .phy_counters,
+ pport_phy_layer_cntrs_stats_desc, i));
if (MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group))
for (i = 0; i < NUM_PPORT_PHY_STATISTICAL_COUNTERS; i++)
--
2.31.1