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net/mlx5e: Add vnic steering drop statistics

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Added the following packets drop counter:
Rx steering missed dropped packets - counts packets which were dropped
due to miss on NIC rx steering rules.
This counter will be shown on ethtool as a new counter called
rx_steer_missed_packets.

Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Moshe Shemesh
2017-12-26 16:46:29 +02:00
committed by Saeed Mahameed
parent 61c5b5c917
commit 5c298143be
3 changed files with 72 additions and 1 deletions
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65
drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
View File

@@ -211,6 +211,65 @@ static void mlx5e_grp_q_update_stats(struct mlx5e_priv *priv)
qcnt->rx_out_of_buffer = MLX5_GET(query_q_counter_out, out, out_of_buffer);
}
#define VNIC_ENV_OFF(c) MLX5_BYTE_OFF(query_vnic_env_out, c)
static const struct counter_desc vnic_env_stats_desc[] = {
{ "rx_steer_missed_packets",
VNIC_ENV_OFF(vport_env.nic_receive_steering_discard) },
};
#define NUM_VNIC_ENV_COUNTERS ARRAY_SIZE(vnic_env_stats_desc)
static int mlx5e_grp_vnic_env_get_num_stats(struct mlx5e_priv *priv)
{
return MLX5_CAP_GEN(priv->mdev, nic_receive_steering_discard) ?
NUM_VNIC_ENV_COUNTERS : 0;
}
static int mlx5e_grp_vnic_env_fill_strings(struct mlx5e_priv *priv, u8 *data,
int idx)
{
int i;
if (!MLX5_CAP_GEN(priv->mdev, nic_receive_steering_discard))
return idx;
for (i = 0; i < NUM_VNIC_ENV_COUNTERS; i++)
strcpy(data + (idx++) * ETH_GSTRING_LEN,
vnic_env_stats_desc[i].format);
return idx;
}
static int mlx5e_grp_vnic_env_fill_stats(struct mlx5e_priv *priv, u64 *data,
int idx)
{
int i;
if (!MLX5_CAP_GEN(priv->mdev, nic_receive_steering_discard))
return idx;
for (i = 0; i < NUM_VNIC_ENV_COUNTERS; i++)
data[idx++] = MLX5E_READ_CTR64_BE(priv->stats.vnic.query_vnic_env_out,
vnic_env_stats_desc, i);
return idx;
}
static void mlx5e_grp_vnic_env_update_stats(struct mlx5e_priv *priv)
{
u32 *out = (u32 *)priv->stats.vnic.query_vnic_env_out;
int outlen = MLX5_ST_SZ_BYTES(query_vnic_env_out);
u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {0};
struct mlx5_core_dev *mdev = priv->mdev;
if (!MLX5_CAP_GEN(priv->mdev, nic_receive_steering_discard))
return;
MLX5_SET(query_vnic_env_in, in, opcode,
MLX5_CMD_OP_QUERY_VNIC_ENV);
MLX5_SET(query_vnic_env_in, in, op_mod, 0);
MLX5_SET(query_vnic_env_in, in, other_vport, 0);
mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen);
}
#define VPORT_COUNTER_OFF(c) MLX5_BYTE_OFF(query_vport_counter_out, c)
static const struct counter_desc vport_stats_desc[] = {
{ "rx_vport_unicast_packets",
@@ -1111,6 +1170,12 @@ const struct mlx5e_stats_grp mlx5e_stats_grps[] = {
.update_stats_mask = MLX5E_NDO_UPDATE_STATS,
.update_stats = mlx5e_grp_q_update_stats,
},
{
.get_num_stats = mlx5e_grp_vnic_env_get_num_stats,
.fill_strings = mlx5e_grp_vnic_env_fill_strings,
.fill_stats = mlx5e_grp_vnic_env_fill_stats,
.update_stats = mlx5e_grp_vnic_env_update_stats,
},
{
.get_num_stats = mlx5e_grp_vport_get_num_stats,
.fill_strings = mlx5e_grp_vport_fill_strings,

5
drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
View File

@@ -99,6 +99,10 @@ struct mlx5e_qcounter_stats {
u32 rx_out_of_buffer;
};
struct mlx5e_vnic_env_stats {
__be64 query_vnic_env_out[MLX5_ST_SZ_QW(query_vnic_env_out)];
};
#define VPORT_COUNTER_GET(vstats, c) MLX5_GET64(query_vport_counter_out, \
vstats->query_vport_out, c)
@@ -201,6 +205,7 @@ struct mlx5e_ch_stats {
struct mlx5e_stats {
struct mlx5e_sw_stats sw;
struct mlx5e_qcounter_stats qcnt;
struct mlx5e_vnic_env_stats vnic;
struct mlx5e_vport_stats vport;
struct mlx5e_pport_stats pport;
struct rtnl_link_stats64 vf_vport;

3
include/linux/mlx5/mlx5_ifc.h
View File

@@ -1008,7 +1008,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_330[0xb];
u8 log_max_xrcd[0x5];
u8 reserved_at_340[0x8];
u8 nic_receive_steering_discard[0x1];
u8 reserved_at_341[0x7];
u8 log_max_flow_counter_bulk[0x8];
u8 max_flow_counter_15_0[0x10];