net/mlx5e: Added 'raw_errors_laneX' fields to ethtool statistics

These are counters for errors received on rx side, such as
FEC errors.

Signed-off-by: Shay Agroskin <shayag@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
index 1c00686..1e55b9c 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
@@ -614,46 +614,82 @@ static const struct counter_desc pport_phy_statistical_stats_desc[] = {
        { "rx_corrected_bits_phy", PPORT_PHY_STATISTICAL_OFF(phy_corrected_bits) },
 };
 
-#define NUM_PPORT_PHY_STATISTICAL_COUNTERS ARRAY_SIZE(pport_phy_statistical_stats_desc)
+static const struct counter_desc
+pport_phy_statistical_err_lanes_stats_desc[] = {
+       { "rx_err_lane_0_phy", PPORT_PHY_STATISTICAL_OFF(phy_corrected_bits_lane0) },
+       { "rx_err_lane_1_phy", PPORT_PHY_STATISTICAL_OFF(phy_corrected_bits_lane1) },
+       { "rx_err_lane_2_phy", PPORT_PHY_STATISTICAL_OFF(phy_corrected_bits_lane2) },
+       { "rx_err_lane_3_phy", PPORT_PHY_STATISTICAL_OFF(phy_corrected_bits_lane3) },
+};
+
+#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)
 
 static int mlx5e_grp_phy_get_num_stats(struct mlx5e_priv *priv)
 {
+       struct mlx5_core_dev *mdev = priv->mdev;
+       int num_stats;
+
        /* "1" for link_down_events special counter */
-       return MLX5_CAP_PCAM_FEATURE((priv)->mdev, ppcnt_statistical_group) ?
-               NUM_PPORT_PHY_STATISTICAL_COUNTERS + 1 : 1;
+       num_stats = 1;
+
+       num_stats += MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group) ?
+                    NUM_PPORT_PHY_STATISTICAL_COUNTERS : 0;
+
+       num_stats += MLX5_CAP_PCAM_FEATURE(mdev, per_lane_error_counters) ?
+                    NUM_PPORT_PHY_STATISTICAL_PER_LANE_COUNTERS : 0;
+
+       return num_stats;
 }
 
 static int mlx5e_grp_phy_fill_strings(struct mlx5e_priv *priv, u8 *data,
                                      int idx)
 {
+       struct mlx5_core_dev *mdev = priv->mdev;
        int i;
 
        strcpy(data + (idx++) * ETH_GSTRING_LEN, "link_down_events_phy");
 
-       if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, ppcnt_statistical_group))
+       if (!MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group))
                return idx;
 
        for (i = 0; i < NUM_PPORT_PHY_STATISTICAL_COUNTERS; i++)
                strcpy(data + (idx++) * ETH_GSTRING_LEN,
                       pport_phy_statistical_stats_desc[i].format);
+
+       if (MLX5_CAP_PCAM_FEATURE(mdev, per_lane_error_counters))
+               for (i = 0; i < NUM_PPORT_PHY_STATISTICAL_PER_LANE_COUNTERS; i++)
+                       strcpy(data + (idx++) * ETH_GSTRING_LEN,
+                              pport_phy_statistical_err_lanes_stats_desc[i].format);
+
        return idx;
 }
 
 static int mlx5e_grp_phy_fill_stats(struct mlx5e_priv *priv, u64 *data, int idx)
 {
+       struct mlx5_core_dev *mdev = priv->mdev;
        int i;
 
        /* link_down_events_phy has special handling since it is not stored in __be64 format */
        data[idx++] = MLX5_GET(ppcnt_reg, priv->stats.pport.phy_counters,
                               counter_set.phys_layer_cntrs.link_down_events);
 
-       if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, ppcnt_statistical_group))
+       if (!MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group))
                return idx;
 
        for (i = 0; i < NUM_PPORT_PHY_STATISTICAL_COUNTERS; i++)
                data[idx++] =
                        MLX5E_READ_CTR64_BE(&priv->stats.pport.phy_statistical_counters,
                                            pport_phy_statistical_stats_desc, i);
+
+       if (MLX5_CAP_PCAM_FEATURE(mdev, per_lane_error_counters))
+               for (i = 0; i < NUM_PPORT_PHY_STATISTICAL_PER_LANE_COUNTERS; i++)
+                       data[idx++] =
+                               MLX5E_READ_CTR64_BE(&priv->stats.pport.phy_statistical_counters,
+                                                   pport_phy_statistical_err_lanes_stats_desc,
+                                                   i);
        return idx;
 }