From: Kamal Heib <kamalh@mellanox.com>
Date: Wed, 23 Aug 2017 15:01:58 +0300
Subject: net/mlx5e: Switch pcie counters to use stats group API
Patch-mainline: v4.15-rc1
Git-commit: 9fd2b5f137f5f723c03f5018acb822dcebfba8f0
References: bsc#1103990 FATE#326006
Switch the pcie counters to use the new stats group API.
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Reviewed-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 25 -----
drivers/net/ethernet/mellanox/mlx5/core/en_stats.c | 94 ++++++++++++++++++-
drivers/net/ethernet/mellanox/mlx5/core/en_stats.h | 32 ------
3 files changed, 93 insertions(+), 58 deletions(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -183,7 +183,6 @@ int mlx5e_ethtool_get_sset_count(struct
num_stats += mlx5e_stats_grps[i].get_num_stats(priv);
return num_stats +
NUM_PPORT_COUNTERS(priv) +
- NUM_PCIE_COUNTERS(priv) +
MLX5E_NUM_RQ_STATS(priv) +
MLX5E_NUM_SQ_STATS(priv) +
MLX5E_NUM_PFC_COUNTERS(priv) +
@@ -216,18 +215,6 @@ static void mlx5e_fill_stats_strings(str
for (i = 0; i < mlx5e_num_stats_grps; i++)
idx = mlx5e_stats_grps[i].fill_strings(priv, data, idx);
- for (i = 0; i < NUM_PCIE_PERF_COUNTERS(priv); i++)
- strcpy(data + (idx++) * ETH_GSTRING_LEN,
- pcie_perf_stats_desc[i].format);
-
- for (i = 0; i < NUM_PCIE_PERF_COUNTERS64(priv); i++)
- strcpy(data + (idx++) * ETH_GSTRING_LEN,
- pcie_perf_stats_desc64[i].format);
-
- for (i = 0; i < NUM_PCIE_PERF_STALL_COUNTERS(priv); i++)
- strcpy(data + (idx++) * ETH_GSTRING_LEN,
- pcie_perf_stall_stats_desc[i].format);
-
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,
@@ -328,18 +315,6 @@ void mlx5e_ethtool_get_ethtool_stats(str
for (i = 0; i < mlx5e_num_stats_grps; i++)
idx = mlx5e_stats_grps[i].fill_stats(priv, data, idx);
- 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);
-
- for (i = 0; i < NUM_PCIE_PERF_COUNTERS64(priv); i++)
- data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pcie.pcie_perf_counters,
- pcie_perf_stats_desc64, i);
-
- for (i = 0; i < NUM_PCIE_PERF_STALL_COUNTERS(priv); i++)
- data[idx++] = MLX5E_READ_CTR32_BE(&priv->stats.pcie.pcie_perf_counters,
- pcie_perf_stall_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],
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
@@ -415,6 +415,93 @@ static int mlx5e_grp_eth_ext_fill_stats(
return idx;
}
+#define PCIE_PERF_OFF(c) \
+ MLX5_BYTE_OFF(mpcnt_reg, counter_set.pcie_perf_cntrs_grp_data_layout.c)
+static const struct counter_desc pcie_perf_stats_desc[] = {
+ { "rx_pci_signal_integrity", PCIE_PERF_OFF(rx_errors) },
+ { "tx_pci_signal_integrity", PCIE_PERF_OFF(tx_errors) },
+};
+
+#define PCIE_PERF_OFF64(c) \
+ MLX5_BYTE_OFF(mpcnt_reg, counter_set.pcie_perf_cntrs_grp_data_layout.c##_high)
+static const struct counter_desc pcie_perf_stats_desc64[] = {
+ { "outbound_pci_buffer_overflow", PCIE_PERF_OFF64(tx_overflow_buffer_pkt) },
+};
+
+static const struct counter_desc pcie_perf_stall_stats_desc[] = {
+ { "outbound_pci_stalled_rd", PCIE_PERF_OFF(outbound_stalled_reads) },
+ { "outbound_pci_stalled_wr", PCIE_PERF_OFF(outbound_stalled_writes) },
+ { "outbound_pci_stalled_rd_events", PCIE_PERF_OFF(outbound_stalled_reads_events) },
+ { "outbound_pci_stalled_wr_events", PCIE_PERF_OFF(outbound_stalled_writes_events) },
+};
+
+#define NUM_PCIE_PERF_COUNTERS ARRAY_SIZE(pcie_perf_stats_desc)
+#define NUM_PCIE_PERF_COUNTERS64 ARRAY_SIZE(pcie_perf_stats_desc64)
+#define NUM_PCIE_PERF_STALL_COUNTERS ARRAY_SIZE(pcie_perf_stall_stats_desc)
+
+static int mlx5e_grp_pcie_get_num_stats(struct mlx5e_priv *priv)
+{
+ int num_stats = 0;
+
+ if (MLX5_CAP_MCAM_FEATURE((priv)->mdev, pcie_performance_group))
+ num_stats += NUM_PCIE_PERF_COUNTERS;
+
+ if (MLX5_CAP_MCAM_FEATURE((priv)->mdev, tx_overflow_buffer_pkt))
+ num_stats += NUM_PCIE_PERF_COUNTERS64;
+
+ if (MLX5_CAP_MCAM_FEATURE((priv)->mdev, pcie_outbound_stalled))
+ num_stats += NUM_PCIE_PERF_STALL_COUNTERS;
+
+ return num_stats;
+}
+
+static int mlx5e_grp_pcie_fill_strings(struct mlx5e_priv *priv, u8 *data,
+ int idx)
+{
+ int i;
+
+ if (MLX5_CAP_MCAM_FEATURE((priv)->mdev, pcie_performance_group))
+ for (i = 0; i < NUM_PCIE_PERF_COUNTERS; i++)
+ strcpy(data + (idx++) * ETH_GSTRING_LEN,
+ pcie_perf_stats_desc[i].format);
+
+ if (MLX5_CAP_MCAM_FEATURE((priv)->mdev, tx_overflow_buffer_pkt))
+ for (i = 0; i < NUM_PCIE_PERF_COUNTERS64; i++)
+ strcpy(data + (idx++) * ETH_GSTRING_LEN,
+ pcie_perf_stats_desc64[i].format);
+
+ if (MLX5_CAP_MCAM_FEATURE((priv)->mdev, pcie_outbound_stalled))
+ for (i = 0; i < NUM_PCIE_PERF_STALL_COUNTERS; i++)
+ strcpy(data + (idx++) * ETH_GSTRING_LEN,
+ pcie_perf_stall_stats_desc[i].format);
+ return idx;
+}
+
+static int mlx5e_grp_pcie_fill_stats(struct mlx5e_priv *priv, u64 *data,
+ int idx)
+{
+ int i;
+
+ if (MLX5_CAP_MCAM_FEATURE((priv)->mdev, pcie_performance_group))
+ for (i = 0; i < NUM_PCIE_PERF_COUNTERS; i++)
+ data[idx++] =
+ MLX5E_READ_CTR32_BE(&priv->stats.pcie.pcie_perf_counters,
+ pcie_perf_stats_desc, i);
+
+ if (MLX5_CAP_MCAM_FEATURE((priv)->mdev, tx_overflow_buffer_pkt))
+ for (i = 0; i < NUM_PCIE_PERF_COUNTERS64; i++)
+ data[idx++] =
+ MLX5E_READ_CTR64_BE(&priv->stats.pcie.pcie_perf_counters,
+ pcie_perf_stats_desc64, i);
+
+ if (MLX5_CAP_MCAM_FEATURE((priv)->mdev, pcie_outbound_stalled))
+ for (i = 0; i < NUM_PCIE_PERF_STALL_COUNTERS; i++)
+ data[idx++] =
+ MLX5E_READ_CTR32_BE(&priv->stats.pcie.pcie_perf_counters,
+ pcie_perf_stall_stats_desc, i);
+ return idx;
+}
+
const struct mlx5e_stats_grp mlx5e_stats_grps[] = {
{
.get_num_stats = mlx5e_grp_sw_get_num_stats,
@@ -455,7 +542,12 @@ const struct mlx5e_stats_grp mlx5e_stats
.get_num_stats = mlx5e_grp_eth_ext_get_num_stats,
.fill_strings = mlx5e_grp_eth_ext_fill_strings,
.fill_stats = mlx5e_grp_eth_ext_fill_stats,
- }
+ },
+ {
+ .get_num_stats = mlx5e_grp_pcie_get_num_stats,
+ .fill_strings = mlx5e_grp_pcie_fill_strings,
+ .fill_stats = mlx5e_grp_pcie_fill_stats,
+ },
};
const int mlx5e_num_stats_grps = ARRAY_SIZE(mlx5e_stats_grps);
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
@@ -151,14 +151,10 @@ static const struct counter_desc pport_p
{ "rx_%s_pause_transition", PPORT_PER_PRIO_OFF(rx_pause_transition) },
};
-#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) \
MLX5_GET(mpcnt_reg, (pcie_stats)->pcie_perf_counters, \
counter_set.pcie_perf_cntrs_grp_data_layout.c)
-#define PCIE_PERF_OFF64(c) \
- MLX5_BYTE_OFF(mpcnt_reg, counter_set.pcie_perf_cntrs_grp_data_layout.c##_high)
#define PCIE_PERF_GET64(pcie_stats, c) \
MLX5_GET64(mpcnt_reg, (pcie_stats)->pcie_perf_counters, \
counter_set.pcie_perf_cntrs_grp_data_layout.c##_high)
@@ -167,22 +163,6 @@ struct mlx5e_pcie_stats {
__be64 pcie_perf_counters[MLX5_ST_SZ_QW(mpcnt_reg)];
};
-static const struct counter_desc pcie_perf_stats_desc[] = {
- { "rx_pci_signal_integrity", PCIE_PERF_OFF(rx_errors) },
- { "tx_pci_signal_integrity", PCIE_PERF_OFF(tx_errors) },
-};
-
-static const struct counter_desc pcie_perf_stats_desc64[] = {
- { "outbound_pci_buffer_overflow", PCIE_PERF_OFF64(tx_overflow_buffer_pkt) },
-};
-
-static const struct counter_desc pcie_perf_stall_stats_desc[] = {
- { "outbound_pci_stalled_rd", PCIE_PERF_OFF(outbound_stalled_reads) },
- { "outbound_pci_stalled_wr", PCIE_PERF_OFF(outbound_stalled_writes) },
- { "outbound_pci_stalled_rd_events", PCIE_PERF_OFF(outbound_stalled_reads_events) },
- { "outbound_pci_stalled_wr_events", PCIE_PERF_OFF(outbound_stalled_writes_events) },
-};
-
struct mlx5e_rq_stats {
u64 packets;
u64 bytes;
@@ -269,24 +249,12 @@ static const struct counter_desc sq_stat
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, xmit_more) },
};
-#define NUM_PCIE_PERF_COUNTERS(priv) \
- (ARRAY_SIZE(pcie_perf_stats_desc) * \
- MLX5_CAP_MCAM_FEATURE((priv)->mdev, pcie_performance_group))
-#define NUM_PCIE_PERF_COUNTERS64(priv) \
- (ARRAY_SIZE(pcie_perf_stats_desc64) * \
- MLX5_CAP_MCAM_FEATURE((priv)->mdev, tx_overflow_buffer_pkt))
-#define NUM_PCIE_PERF_STALL_COUNTERS(priv) \
- (ARRAY_SIZE(pcie_perf_stall_stats_desc) * \
- MLX5_CAP_MCAM_FEATURE((priv)->mdev, pcie_outbound_stalled))
#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(priv) (NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS * \
NUM_PPORT_PRIO)
-#define NUM_PCIE_COUNTERS(priv) (NUM_PCIE_PERF_COUNTERS(priv) + \
- NUM_PCIE_PERF_COUNTERS64(priv) +\
- NUM_PCIE_PERF_STALL_COUNTERS(priv))
#define NUM_RQ_STATS ARRAY_SIZE(rq_stats_desc)
#define NUM_SQ_STATS ARRAY_SIZE(sq_stats_desc)