Commit 068aef33 authored by Gal Pressman's avatar Gal Pressman Committed by Saeed Mahameed
Browse files

net/mlx5e: Add RX buffer fullness counters



rx_buffer_passed_thres_phy - The number of events where the port RX
buffer has passed a fullness threshold.

rx_buffer_full_phy - The number of events where the port RX buffer has
reached 100% fullness.

Signed-off-by: default avatarGal Pressman <galp@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 2dba0797
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+8 −0
Original line number Diff line number Diff line
@@ -242,6 +242,10 @@ static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data)
		strcpy(data + (idx++) * ETH_GSTRING_LEN,
		       pport_phy_statistical_stats_desc[i].format);

	for (i = 0; i < NUM_PPORT_ETH_EXT_COUNTERS(priv); i++)
		strcpy(data + (idx++) * ETH_GSTRING_LEN,
		       pport_eth_ext_stats_desc[i].format);

	for (i = 0; i < NUM_PCIE_PERF_COUNTERS(priv); i++)
		strcpy(data + (idx++) * ETH_GSTRING_LEN,
		       pcie_perf_stats_desc[i].format);
@@ -377,6 +381,10 @@ void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
		data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.phy_statistical_counters,
						  pport_phy_statistical_stats_desc, i);

	for (i = 0; i < NUM_PPORT_ETH_EXT_COUNTERS(priv); i++)
		data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.eth_ext_counters,
						  pport_eth_ext_stats_desc, i);

	for (i = 0; i < NUM_PCIE_PERF_COUNTERS(priv); i++)
		data[idx++] = MLX5E_READ_CTR32_BE(&priv->stats.pcie.pcie_perf_counters,
						  pcie_perf_stats_desc, i);
+6 −0
Original line number Diff line number Diff line
@@ -288,6 +288,12 @@ static void mlx5e_update_pport_counters(struct mlx5e_priv *priv, bool full)
		mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
	}

	if (MLX5_CAP_PCAM_FEATURE(mdev, rx_buffer_fullness_counters)) {
		out = pstats->eth_ext_counters;
		MLX5_SET(ppcnt_reg, in, grp, MLX5_ETHERNET_EXTENDED_COUNTERS_GROUP);
		mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
	}

	MLX5_SET(ppcnt_reg, in, grp, MLX5_PER_PRIORITY_COUNTERS_GROUP);
	for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
		out = pstats->per_prio_counters[prio];
+16 −1
Original line number Diff line number Diff line
@@ -216,6 +216,12 @@ static const struct counter_desc vport_stats_desc[] = {
	MLX5_GET64(ppcnt_reg, pstats->per_prio_counters[prio], \
		   counter_set.eth_per_prio_grp_data_layout.c##_high)
#define NUM_PPORT_PRIO				8
#define PPORT_ETH_EXT_OFF(c) \
	MLX5_BYTE_OFF(ppcnt_reg, \
		      counter_set.eth_extended_cntrs_grp_data_layout.c##_high)
#define PPORT_ETH_EXT_GET(pstats, c) \
	MLX5_GET64(ppcnt_reg, (pstats)->eth_ext_counters, \
		   counter_set.eth_extended_cntrs_grp_data_layout.c##_high)

struct mlx5e_pport_stats {
	__be64 IEEE_802_3_counters[MLX5_ST_SZ_QW(ppcnt_reg)];
@@ -224,6 +230,7 @@ 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 eth_ext_counters[MLX5_ST_SZ_QW(ppcnt_reg)];
};

static const struct counter_desc pport_802_3_stats_desc[] = {
@@ -290,6 +297,10 @@ static const struct counter_desc pport_per_prio_pfc_stats_desc[] = {
	{ "rx_%s_pause_transition", PPORT_PER_PRIO_OFF(rx_pause_transition) },
};

static const struct counter_desc pport_eth_ext_stats_desc[] = {
	{ "rx_buffer_passed_thres_phy", PPORT_ETH_EXT_OFF(rx_buffer_almost_full) },
};

#define PCIE_PERF_OFF(c) \
	MLX5_BYTE_OFF(mpcnt_reg, counter_set.pcie_perf_cntrs_grp_data_layout.c)
#define PCIE_PERF_GET(pcie_stats, c) \
@@ -411,12 +422,16 @@ static const struct counter_desc sq_stats_desc[] = {
	ARRAY_SIZE(pport_per_prio_traffic_stats_desc)
#define NUM_PPORT_PER_PRIO_PFC_COUNTERS \
	ARRAY_SIZE(pport_per_prio_pfc_stats_desc)
#define NUM_PPORT_ETH_EXT_COUNTERS(priv) \
	(ARRAY_SIZE(pport_eth_ext_stats_desc) * \
	 MLX5_CAP_PCAM_FEATURE((priv)->mdev, rx_buffer_fullness_counters))
#define NUM_PPORT_COUNTERS(priv)	(NUM_PPORT_802_3_COUNTERS + \
					 NUM_PPORT_2863_COUNTERS  + \
					 NUM_PPORT_2819_COUNTERS  + \
					 NUM_PPORT_PHY_STATISTICAL_COUNTERS(priv) + \
					 NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS * \
					 NUM_PPORT_PRIO)
					 NUM_PPORT_PRIO + \
					 NUM_PPORT_ETH_EXT_COUNTERS(priv))
#define NUM_PCIE_COUNTERS(priv)		(NUM_PCIE_PERF_COUNTERS(priv) + \
					 NUM_PCIE_PERF_STALL_COUNTERS(priv))
#define NUM_RQ_STATS			ARRAY_SIZE(rq_stats_desc)