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net/mlx5e: Expose port reset cycle recovery counter via ethtool

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Display recovery event of PPCNT recovery counters group. Counts (per
link) the number of total successful recovery events of any recovery
types during port reset cycle.

Signed-off-by: Yael Chemla <ychemla@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/1742112876-2890-5-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Yael Chemla 2025-03-16 10:14:36 +02:00 committed by Paolo Abeni
parent 4c737ceb69
commit c3b999cad7
3 changed files with 48 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst
View File

@ -1082,6 +1082,11 @@ like flow control, FEC and more.
need to replace the cable/transceiver.
- Error
* - `total_success_recovery_phy`
- The number of total successful recovery events of any type during
ports reset cycle.
- Error
* - `rx_out_of_buffer`
- Number of times receive queue had no software buffers allocated for the
adapter's incoming traffic.

44
drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
View File

@ -1250,12 +1250,22 @@ pport_phy_statistical_err_lanes_stats_desc[] = {
{ "rx_err_lane_3_phy", PPORT_PHY_STATISTICAL_OFF(phy_corrected_bits_lane3) },
};
#define PPORT_PHY_RECOVERY_OFF(c) \
MLX5_BYTE_OFF(ppcnt_reg, counter_set.phys_layer_recovery_cntrs.c)
static const struct counter_desc
pport_phy_recovery_cntrs_stats_desc[] = {
{ "total_success_recovery_phy",
PPORT_PHY_RECOVERY_OFF(total_successful_recovery_events) }
};
#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 \
ARRAY_SIZE(pport_phy_statistical_err_lanes_stats_desc)
#define NUM_PPORT_PHY_RECOVERY_COUNTERS \
ARRAY_SIZE(pport_phy_recovery_cntrs_stats_desc)
#define NUM_PPORT_PHY_STATISTICAL_LOOPBACK_COUNTERS(dev) \
(MLX5_CAP_PCAM_FEATURE(dev, ppcnt_statistical_group) ? \
@ -1263,6 +1273,9 @@ pport_phy_statistical_err_lanes_stats_desc[] = {
#define NUM_PPORT_PHY_STATISTICAL_PER_LANE_LOOPBACK_COUNTERS(dev) \
(MLX5_CAP_PCAM_FEATURE(dev, per_lane_error_counters) ? \
NUM_PPORT_PHY_STATISTICAL_PER_LANE_COUNTERS : 0)
#define NUM_PPORT_PHY_RECOVERY_LOOPBACK_COUNTERS(dev) \
(MLX5_CAP_PCAM_FEATURE(dev, ppcnt_recovery_counters) ? \
NUM_PPORT_PHY_RECOVERY_COUNTERS : 0)
static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(phy)
{
@ -1275,6 +1288,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(phy)
num_stats += NUM_PPORT_PHY_STATISTICAL_PER_LANE_LOOPBACK_COUNTERS(mdev);
num_stats += NUM_PPORT_PHY_RECOVERY_LOOPBACK_COUNTERS(mdev);
return num_stats;
}
@ -1295,6 +1309,10 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(phy)
ethtool_puts(data,
pport_phy_statistical_err_lanes_stats_desc[i]
.format);
for (i = 0; i < NUM_PPORT_PHY_RECOVERY_LOOPBACK_COUNTERS(mdev); i++)
ethtool_puts(data,
pport_phy_recovery_cntrs_stats_desc[i].format);
}
static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(phy)
@ -1324,6 +1342,13 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(phy)
MLX5E_READ_CTR64_BE(
&priv->stats.pport.phy_statistical_counters,
pport_phy_statistical_err_lanes_stats_desc, i));
for (i = 0; i < NUM_PPORT_PHY_RECOVERY_LOOPBACK_COUNTERS(mdev); i++)
mlx5e_ethtool_put_stat(
data,
MLX5E_READ_CTR32_BE(
&priv->stats.pport.phy_recovery_counters,
pport_phy_recovery_cntrs_stats_desc, i));
}
static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(phy)
@ -1339,12 +1364,21 @@ static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(phy)
MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_COUNTERS_GROUP);
mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
if (!MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group))
return;
if (MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group)) {
out = pstats->phy_statistical_counters;
MLX5_SET(ppcnt_reg, in, grp,
MLX5_PHYSICAL_LAYER_STATISTICAL_GROUP);
mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0,
0);
}
out = pstats->phy_statistical_counters;
MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_STATISTICAL_GROUP);
mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
if (MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_recovery_counters)) {
out = pstats->phy_recovery_counters;
MLX5_SET(ppcnt_reg, in, grp,
MLX5_PHYSICAL_LAYER_RECOVERY_GROUP);
mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0,
0);
}
}
void mlx5e_get_link_ext_stats(struct net_device *dev,

4
drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
View File

@ -309,6 +309,9 @@ struct mlx5e_vport_stats {
#define PPORT_PHY_STATISTICAL_GET(pstats, c) \
MLX5_GET64(ppcnt_reg, (pstats)->phy_statistical_counters, \
counter_set.phys_layer_statistical_cntrs.c##_high)
#define PPORT_PHY_RECOVERY_GET(pstats, c) \
MLX5_GET64(ppcnt_reg, (pstats)->phy_recovery_counters, \
counter_set.phys_layer_recovery_cntrs.c)
#define PPORT_PER_PRIO_GET(pstats, prio, c) \
MLX5_GET64(ppcnt_reg, pstats->per_prio_counters[prio], \
counter_set.eth_per_prio_grp_data_layout.c##_high)
@ -324,6 +327,7 @@ struct mlx5e_pport_stats {
__be64 per_prio_counters[NUM_PPORT_PRIO][MLX5_ST_SZ_QW(ppcnt_reg)];
__be64 phy_counters[MLX5_ST_SZ_QW(ppcnt_reg)];
__be64 phy_statistical_counters[MLX5_ST_SZ_QW(ppcnt_reg)];
__be64 phy_recovery_counters[MLX5_ST_SZ_QW(ppcnt_reg)];
__be64 eth_ext_counters[MLX5_ST_SZ_QW(ppcnt_reg)];
__be64 per_tc_prio_counters[NUM_PPORT_PRIO][MLX5_ST_SZ_QW(ppcnt_reg)];
__be64 per_tc_congest_prio_counters[NUM_PPORT_PRIO][MLX5_ST_SZ_QW(ppcnt_reg)];