From: Gal Pressman Date: Tue, 4 Aug 2015 11:05:47 +0000 (+0300) Subject: net/mlx5_core: Support physical port counters X-Git-Url: http://git.efficios.com/?p=deliverable%2Flinux.git;a=commitdiff_plain;h=efea389d3cc6427a9a94e92b2d7bf4c862f2cfcf net/mlx5_core: Support physical port counters Added physical port counters in the following standard formats to ethtool statistics: - IEEE 802.3 - RFC2863 - RFC2819 Signed-off-by: Gal Pressman Signed-off-by: Saeed Mahameed Signed-off-by: Amir Vadai Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 35c33907a9ff..e9d7d90363a8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -138,6 +138,80 @@ struct mlx5e_vport_stats { #define NUM_VPORT_COUNTERS 31 }; +static const char pport_strings[][ETH_GSTRING_LEN] = { + /* IEEE802.3 counters */ + "frames_tx", + "frames_rx", + "check_seq_err", + "alignment_err", + "octets_tx", + "octets_received", + "multicast_xmitted", + "broadcast_xmitted", + "multicast_rx", + "broadcast_rx", + "in_range_len_errors", + "out_of_range_len", + "too_long_errors", + "symbol_err", + "mac_control_tx", + "mac_control_rx", + "unsupported_op_rx", + "pause_ctrl_rx", + "pause_ctrl_tx", + + /* RFC2863 counters */ + "in_octets", + "in_ucast_pkts", + "in_discards", + "in_errors", + "in_unknown_protos", + "out_octets", + "out_ucast_pkts", + "out_discards", + "out_errors", + "in_multicast_pkts", + "in_broadcast_pkts", + "out_multicast_pkts", + "out_broadcast_pkts", + + /* RFC2819 counters */ + "drop_events", + "octets", + "pkts", + "broadcast_pkts", + "multicast_pkts", + "crc_align_errors", + "undersize_pkts", + "oversize_pkts", + "fragments", + "jabbers", + "collisions", + "p64octets", + "p65to127octets", + "p128to255octets", + "p256to511octets", + "p512to1023octets", + "p1024to1518octets", + "p1519to2047octets", + "p2048to4095octets", + "p4096to8191octets", + "p8192to10239octets", +}; + +#define NUM_IEEE_802_3_COUNTERS 19 +#define NUM_RFC_2863_COUNTERS 13 +#define NUM_RFC_2819_COUNTERS 21 +#define NUM_PPORT_COUNTERS (NUM_IEEE_802_3_COUNTERS + \ + NUM_RFC_2863_COUNTERS + \ + NUM_RFC_2819_COUNTERS) + +struct mlx5e_pport_stats { + __be64 IEEE_802_3_counters[NUM_IEEE_802_3_COUNTERS]; + __be64 RFC_2863_counters[NUM_RFC_2863_COUNTERS]; + __be64 RFC_2819_counters[NUM_RFC_2819_COUNTERS]; +}; + static const char rq_stats_strings[][ETH_GSTRING_LEN] = { "packets", "csum_none", @@ -180,6 +254,7 @@ struct mlx5e_sq_stats { struct mlx5e_stats { struct mlx5e_vport_stats vport; + struct mlx5e_pport_stats pport; }; struct mlx5e_params { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index b95aa3384c36..b549797b315f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -171,7 +171,7 @@ static int mlx5e_get_sset_count(struct net_device *dev, int sset) switch (sset) { case ETH_SS_STATS: - return NUM_VPORT_COUNTERS + + return NUM_VPORT_COUNTERS + NUM_PPORT_COUNTERS + priv->params.num_channels * NUM_RQ_STATS + priv->params.num_channels * priv->params.num_tc * NUM_SQ_STATS; @@ -200,6 +200,11 @@ static void mlx5e_get_strings(struct net_device *dev, strcpy(data + (idx++) * ETH_GSTRING_LEN, vport_strings[i]); + /* PPORT counters */ + for (i = 0; i < NUM_PPORT_COUNTERS; i++) + strcpy(data + (idx++) * ETH_GSTRING_LEN, + pport_strings[i]); + /* per channel counters */ for (i = 0; i < priv->params.num_channels; i++) for (j = 0; j < NUM_RQ_STATS; j++) @@ -234,6 +239,9 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev, for (i = 0; i < NUM_VPORT_COUNTERS; i++) data[idx++] = ((u64 *)&priv->stats.vport)[i]; + for (i = 0; i < NUM_PPORT_COUNTERS; i++) + data[idx++] = be64_to_cpu(((__be64 *)&priv->stats.pport)[i]); + /* per channel counters */ for (i = 0; i < priv->params.num_channels; i++) for (j = 0; j < NUM_RQ_STATS; j++) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index b8023a7484e0..111427b33ec8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -82,6 +82,47 @@ static void mlx5e_update_carrier_work(struct work_struct *work) mutex_unlock(&priv->state_lock); } +static void mlx5e_update_pport_counters(struct mlx5e_priv *priv) +{ + struct mlx5_core_dev *mdev = priv->mdev; + struct mlx5e_pport_stats *s = &priv->stats.pport; + u32 *in; + u32 *out; + int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); + + in = mlx5_vzalloc(sz); + out = mlx5_vzalloc(sz); + if (!in || !out) + goto free_out; + + MLX5_SET(ppcnt_reg, in, local_port, 1); + + MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP); + mlx5_core_access_reg(mdev, in, sz, out, + sz, MLX5_REG_PPCNT, 0, 0); + memcpy(s->IEEE_802_3_counters, + MLX5_ADDR_OF(ppcnt_reg, out, counter_set), + sizeof(s->IEEE_802_3_counters)); + + MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP); + mlx5_core_access_reg(mdev, in, sz, out, + sz, MLX5_REG_PPCNT, 0, 0); + memcpy(s->RFC_2863_counters, + MLX5_ADDR_OF(ppcnt_reg, out, counter_set), + sizeof(s->RFC_2863_counters)); + + 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); + memcpy(s->RFC_2819_counters, + MLX5_ADDR_OF(ppcnt_reg, out, counter_set), + sizeof(s->RFC_2819_counters)); + +free_out: + kvfree(in); + kvfree(out); +} + void mlx5e_update_stats(struct mlx5e_priv *priv) { struct mlx5_core_dev *mdev = priv->mdev; @@ -202,6 +243,7 @@ void mlx5e_update_stats(struct mlx5e_priv *priv) s->tx_csum_offload = s->tx_packets - tx_offload_none; s->rx_csum_good = s->rx_packets - s->rx_csum_none; + mlx5e_update_pport_counters(priv); free_out: kvfree(out); } diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index b943cd9e2097..250b1ff8b48d 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -1182,6 +1182,16 @@ enum { MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR = 0x40, }; +enum { + MLX5_IEEE_802_3_COUNTERS_GROUP = 0x0, + MLX5_RFC_2863_COUNTERS_GROUP = 0x1, + MLX5_RFC_2819_COUNTERS_GROUP = 0x2, + MLX5_RFC_3635_COUNTERS_GROUP = 0x3, + MLX5_ETHERNET_EXTENDED_COUNTERS_GROUP = 0x5, + MLX5_PER_PRIORITY_COUNTERS_GROUP = 0x10, + MLX5_PER_TRAFFIC_CLASS_COUNTERS_GROUP = 0x11 +}; + static inline u16 mlx5_to_sw_pkey_sz(int pkey_sz) { if (pkey_sz > MLX5_MAX_LOG_PKEY_TABLE) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 5fe0cae1a515..2039546b0ec6 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -103,6 +103,7 @@ enum { MLX5_REG_PMTU = 0x5003, MLX5_REG_PTYS = 0x5004, MLX5_REG_PAOS = 0x5006, + MLX5_REG_PPCNT = 0x5008, MLX5_REG_PMAOS = 0x5012, MLX5_REG_PUDE = 0x5009, MLX5_REG_PMPE = 0x5010,