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net/mlx5: E-Switch, Introduce get vf statistics

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Add support to get VF statistics using query vport
counter command.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Saeed Mahameed 2015-12-01 18:03:24 +02:00 committed by David S. Miller
parent 9e7ea3524a
commit 3b751a2a41
2 changed files with 70 additions and 0 deletions
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67
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
View File

@ -1213,3 +1213,70 @@ int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
return modify_esw_vport_cvlan(esw->dev, vport, vlan, qos, set);
}
int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
int vport,
struct ifla_vf_stats *vf_stats)
{
int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out);
u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)];
int err = 0;
u32 *out;
if (!ESW_ALLOWED(esw))
return -EPERM;
if (!LEGAL_VPORT(esw, vport))
return -EINVAL;
out = mlx5_vzalloc(outlen);
if (!out)
return -ENOMEM;
memset(in, 0, sizeof(in));
MLX5_SET(query_vport_counter_in, in, opcode,
MLX5_CMD_OP_QUERY_VPORT_COUNTER);
MLX5_SET(query_vport_counter_in, in, op_mod, 0);
MLX5_SET(query_vport_counter_in, in, vport_number, vport);
if (vport)
MLX5_SET(query_vport_counter_in, in, other_vport, 1);
memset(out, 0, outlen);
err = mlx5_cmd_exec(esw->dev, in, sizeof(in), out, outlen);
if (err)
goto free_out;
#define MLX5_GET_CTR(p, x) \
MLX5_GET64(query_vport_counter_out, p, x)
memset(vf_stats, 0, sizeof(*vf_stats));
vf_stats->rx_packets =
MLX5_GET_CTR(out, received_eth_unicast.packets) +
MLX5_GET_CTR(out, received_eth_multicast.packets) +
MLX5_GET_CTR(out, received_eth_broadcast.packets);
vf_stats->rx_bytes =
MLX5_GET_CTR(out, received_eth_unicast.octets) +
MLX5_GET_CTR(out, received_eth_multicast.octets) +
MLX5_GET_CTR(out, received_eth_broadcast.octets);
vf_stats->tx_packets =
MLX5_GET_CTR(out, transmitted_eth_unicast.packets) +
MLX5_GET_CTR(out, transmitted_eth_multicast.packets) +
MLX5_GET_CTR(out, transmitted_eth_broadcast.packets);
vf_stats->tx_bytes =
MLX5_GET_CTR(out, transmitted_eth_unicast.octets) +
MLX5_GET_CTR(out, transmitted_eth_multicast.octets) +
MLX5_GET_CTR(out, transmitted_eth_broadcast.octets);
vf_stats->multicast =
MLX5_GET_CTR(out, received_eth_multicast.packets);
vf_stats->broadcast =
MLX5_GET_CTR(out, received_eth_broadcast.packets);
free_out:
kvfree(out);
return err;
}

3
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
View File

@ -153,5 +153,8 @@ int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
int vport, u16 vlan, u8 qos);
int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
int vport, struct ifla_vf_info *ivi);
int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
int vport,
struct ifla_vf_stats *vf_stats);
#endif /* __MLX5_ESWITCH_H__ */