Commit 4cb4e98e authored by Shay Agroskin's avatar Shay Agroskin Committed by Saeed Mahameed
Browse files

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: default avatarShay Agroskin <shayag@mellanox.com>
Reviewed-by: default avatarEran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 67daf118

drivers/net/ethernet/mellanox/mlx5/core/en_stats.c

+41 −5
Original line number Diff line number Diff line
@@ -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;

}

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