From cf678570d5a1022c4c4dbda7792f2a36f0b9fec0 Mon Sep 17 00:00:00 2001 From: Gal Pressman Date: Sun, 24 Apr 2016 22:51:49 +0300 Subject: [PATCH] net/mlx5e: Add per priority group to PPort counters Expose counters providing information for each priority level (PCP) through ethtool -S option and DCBNL. This includes rx/tx bytes, frames, and pause counters. Signed-off-by: Gal Pressman Signed-off-by: Saeed Mahameed Signed-off-by: David S. Miller --- .../ethernet/mellanox/mlx5/core/en_dcbnl.c | 6 +++ .../ethernet/mellanox/mlx5/core/en_ethtool.c | 51 +++++++++++++++++-- .../net/ethernet/mellanox/mlx5/core/en_main.c | 9 ++++ .../ethernet/mellanox/mlx5/core/en_stats.h | 31 ++++++++++- 4 files changed, 93 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index 3036f279a8fd..b2db180ae2a5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -174,8 +174,14 @@ static int mlx5e_dcbnl_ieee_getpfc(struct net_device *dev, { struct mlx5e_priv *priv = netdev_priv(dev); struct mlx5_core_dev *mdev = priv->mdev; + struct mlx5e_pport_stats *pstats = &priv->stats.pport; + int i; pfc->pfc_cap = mlx5_max_tc(mdev) + 1; + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + pfc->requests[i] = PPORT_PER_PRIO_GET(pstats, i, tx_pause); + pfc->indications[i] = PPORT_PER_PRIO_GET(pstats, i, rx_pause); + } return mlx5_query_port_pfc(mdev, &pfc->pfc_en, NULL); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index f1649d543475..522d584bc05f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -165,6 +165,18 @@ static const struct { }, }; +static unsigned long mlx5e_query_pfc_combined(struct mlx5e_priv *priv) +{ + struct mlx5_core_dev *mdev = priv->mdev; + u8 pfc_en_tx; + u8 pfc_en_rx; + int err; + + err = mlx5_query_port_pfc(mdev, &pfc_en_tx, &pfc_en_rx); + + return err ? 0 : pfc_en_tx | pfc_en_rx; +} + #define MLX5E_NUM_Q_CNTRS(priv) (NUM_Q_COUNTERS * (!!priv->q_counter)) #define MLX5E_NUM_RQ_STATS(priv) \ (NUM_RQ_STATS * priv->params.num_channels * \ @@ -172,6 +184,7 @@ static const struct { #define MLX5E_NUM_SQ_STATS(priv) \ (NUM_SQ_STATS * priv->params.num_channels * priv->params.num_tc * \ test_bit(MLX5E_STATE_OPENED, &priv->state)) +#define MLX5E_NUM_PFC_COUNTERS(priv) hweight8(mlx5e_query_pfc_combined(priv)) static int mlx5e_get_sset_count(struct net_device *dev, int sset) { @@ -183,7 +196,8 @@ static int mlx5e_get_sset_count(struct net_device *dev, int sset) MLX5E_NUM_Q_CNTRS(priv) + NUM_VPORT_COUNTERS + NUM_PPORT_COUNTERS + MLX5E_NUM_RQ_STATS(priv) + - MLX5E_NUM_SQ_STATS(priv); + MLX5E_NUM_SQ_STATS(priv) + + MLX5E_NUM_PFC_COUNTERS(priv); /* fallthrough */ default: return -EOPNOTSUPP; @@ -192,7 +206,8 @@ static int mlx5e_get_sset_count(struct net_device *dev, int sset) static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data) { - int i, j, tc, idx = 0; + int i, j, tc, prio, idx = 0; + unsigned long pfc_combined; /* SW counters */ for (i = 0; i < NUM_SW_COUNTERS; i++) @@ -220,6 +235,21 @@ static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data) strcpy(data + (idx++) * ETH_GSTRING_LEN, pport_2819_stats_desc[i].name); + for (prio = 0; prio < NUM_PPORT_PRIO; prio++) { + for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++) + sprintf(data + (idx++) * ETH_GSTRING_LEN, "prio%d_%s", + prio, + pport_per_prio_traffic_stats_desc[i].name); + } + + pfc_combined = mlx5e_query_pfc_combined(priv); + for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) { + for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) { + sprintf(data + (idx++) * ETH_GSTRING_LEN, "prio%d_%s", + prio, pport_per_prio_pfc_stats_desc[i].name); + } + } + if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) return; @@ -260,7 +290,8 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) { struct mlx5e_priv *priv = netdev_priv(dev); - int i, j, tc, idx = 0; + int i, j, tc, prio, idx = 0; + unsigned long pfc_combined; if (!data) return; @@ -294,6 +325,20 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev, data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2819_counters, pport_2819_stats_desc, i); + for (prio = 0; prio < NUM_PPORT_PRIO; prio++) { + for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++) + data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio], + pport_per_prio_traffic_stats_desc, i); + } + + pfc_combined = mlx5e_query_pfc_combined(priv); + for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) { + for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) { + data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio], + pport_per_prio_pfc_stats_desc, i); + } + } + if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) return; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 0c532367ff13..ef66ba65f5cd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -161,6 +161,7 @@ static void mlx5e_update_pport_counters(struct mlx5e_priv *priv) struct mlx5e_pport_stats *pstats = &priv->stats.pport; struct mlx5_core_dev *mdev = priv->mdev; int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); + int prio; void *out; u32 *in; @@ -182,6 +183,14 @@ static void mlx5e_update_pport_counters(struct mlx5e_priv *priv) MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_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]; + MLX5_SET(ppcnt_reg, in, prio_tc, prio); + mlx5_core_access_reg(mdev, in, sz, out, sz, + MLX5_REG_PPCNT, 0, 0); + } + free_out: kvfree(in); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h index 4f3a08d7e8ed..de27eeaa3bd2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h @@ -165,11 +165,19 @@ static const struct counter_desc vport_stats_desc[] = { #define PPORT_2819_GET(pstats, c) \ MLX5_GET64(ppcnt_reg, pstats->RFC_2819_counters, \ counter_set.eth_2819_cntrs_grp_data_layout.c##_high) +#define PPORT_PER_PRIO_OFF(c) \ + MLX5_BYTE_OFF(ppcnt_reg, \ + counter_set.eth_per_prio_grp_data_layout.c##_high) +#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) +#define NUM_PPORT_PRIO 8 struct mlx5e_pport_stats { __be64 IEEE_802_3_counters[MLX5_ST_SZ_QW(ppcnt_reg)]; __be64 RFC_2863_counters[MLX5_ST_SZ_QW(ppcnt_reg)]; __be64 RFC_2819_counters[MLX5_ST_SZ_QW(ppcnt_reg)]; + __be64 per_prio_counters[NUM_PPORT_PRIO][MLX5_ST_SZ_QW(ppcnt_reg)]; }; static const struct counter_desc pport_802_3_stats_desc[] = { @@ -241,6 +249,21 @@ static const struct counter_desc pport_2819_stats_desc[] = { PPORT_2819_OFF(ether_stats_pkts8192to10239octets) }, }; +static const struct counter_desc pport_per_prio_traffic_stats_desc[] = { + { "rx_octets", PPORT_PER_PRIO_OFF(rx_octets) }, + { "rx_frames", PPORT_PER_PRIO_OFF(rx_frames) }, + { "tx_octets", PPORT_PER_PRIO_OFF(tx_octets) }, + { "tx_frames", PPORT_PER_PRIO_OFF(tx_frames) }, +}; + +static const struct counter_desc pport_per_prio_pfc_stats_desc[] = { + { "rx_pause", PPORT_PER_PRIO_OFF(rx_pause) }, + { "rx_pause_duration", PPORT_PER_PRIO_OFF(rx_pause_duration) }, + { "tx_pause", PPORT_PER_PRIO_OFF(tx_pause) }, + { "tx_pause_duration", PPORT_PER_PRIO_OFF(tx_pause_duration) }, + { "rx_pause_transition", PPORT_PER_PRIO_OFF(rx_pause_transition) }, +}; + struct mlx5e_rq_stats { u64 packets; u64 bytes; @@ -305,9 +328,15 @@ static const struct counter_desc sq_stats_desc[] = { #define NUM_PPORT_802_3_COUNTERS ARRAY_SIZE(pport_802_3_stats_desc) #define NUM_PPORT_2863_COUNTERS ARRAY_SIZE(pport_2863_stats_desc) #define NUM_PPORT_2819_COUNTERS ARRAY_SIZE(pport_2819_stats_desc) +#define NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS \ + 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_COUNTERS (NUM_PPORT_802_3_COUNTERS + \ NUM_PPORT_2863_COUNTERS + \ - NUM_PPORT_2819_COUNTERS) + NUM_PPORT_2819_COUNTERS + \ + NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS * \ + NUM_PPORT_PRIO) #define NUM_RQ_STATS ARRAY_SIZE(rq_stats_desc) #define NUM_SQ_STATS ARRAY_SIZE(sq_stats_desc) -- 2.20.1