diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_stats.c | 30 |
1 files changed, 30 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 a8af84fc9763..1a3ecf073913 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -916,11 +916,30 @@ static int mlx5e_stats_get_ieee(struct mlx5_core_dev *mdev, sz, MLX5_REG_PPCNT, 0, 0); } +static int mlx5e_stats_get_per_prio(struct mlx5_core_dev *mdev, + u32 *ppcnt_per_prio, int prio) +{ + u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {}; + int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); + + if (!(MLX5_CAP_PCAM_FEATURE(mdev, pfcc_mask) && + MLX5_CAP_DEBUG(mdev, stall_detect))) + return -EOPNOTSUPP; + + MLX5_SET(ppcnt_reg, in, local_port, 1); + MLX5_SET(ppcnt_reg, in, grp, MLX5_PER_PRIORITY_COUNTERS_GROUP); + MLX5_SET(ppcnt_reg, in, prio_tc, prio); + return mlx5_core_access_reg(mdev, in, sz, ppcnt_per_prio, sz, + MLX5_REG_PPCNT, 0, 0); +} + void mlx5e_stats_pause_get(struct mlx5e_priv *priv, struct ethtool_pause_stats *pause_stats) { u32 ppcnt_ieee_802_3[MLX5_ST_SZ_DW(ppcnt_reg)]; struct mlx5_core_dev *mdev = priv->mdev; + u64 ps_stats = 0; + int prio; if (mlx5e_stats_get_ieee(mdev, ppcnt_ieee_802_3)) return; @@ -933,6 +952,17 @@ void mlx5e_stats_pause_get(struct mlx5e_priv *priv, MLX5E_READ_CTR64_BE_F(ppcnt_ieee_802_3, eth_802_3_cntrs_grp_data_layout, a_pause_mac_ctrl_frames_received); + + for (prio = 0; prio < NUM_PPORT_PRIO; prio++) { + if (mlx5e_stats_get_per_prio(mdev, ppcnt_ieee_802_3, prio)) + return; + + ps_stats += MLX5E_READ_CTR64_BE_F(ppcnt_ieee_802_3, + eth_per_prio_grp_data_layout, + device_stall_critical_watermark_cnt); + } + + pause_stats->tx_pause_storm_events = ps_stats; } void mlx5e_stats_eth_phy_get(struct mlx5e_priv *priv, |