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net/mlx5_core: Add helper function to read virtual port counters 

Added helper function to read 64bit virtual port Infiniband traffic
counters.

Signed-off-by: Meny Yossefi <menyy@mellanox.com>
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Meny Yossefi 2016-02-18 18:14:59 +02:00 committed by Doug Ledford
parent fc77dbd34c
commit b54ba2772b
3 changed files with 44 additions and 1 deletions
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40
drivers/net/ethernet/mellanox/mlx5/core/vport.c
View File

@ -850,3 +850,43 @@ int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev)
return mlx5_nic_vport_update_roce_state(mdev, MLX5_VPORT_ROCE_DISABLED);
}
EXPORT_SYMBOL_GPL(mlx5_nic_vport_disable_roce);
int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
u8 port_num, void *out, size_t out_sz)
{
int in_sz = MLX5_ST_SZ_BYTES(query_vport_counter_in);
int is_group_manager;
void *in;
int err;
is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
in = mlx5_vzalloc(in_sz);
if (!in) {
err = -ENOMEM;
return err;
}
MLX5_SET(query_vport_counter_in, in, opcode,
MLX5_CMD_OP_QUERY_VPORT_COUNTER);
if (other_vport) {
if (is_group_manager) {
MLX5_SET(query_vport_counter_in, in, other_vport, 1);
MLX5_SET(query_vport_counter_in, in, vport_number, 0);
} else {
err = -EPERM;
goto free;
}
}
if (MLX5_CAP_GEN(dev, num_ports) == 2)
MLX5_SET(query_vport_counter_in, in, port_num, port_num);
err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
if (err)
goto free;
err = mlx5_cmd_status_to_err_v2(out);
free:
kvfree(in);
return err;
}
EXPORT_SYMBOL_GPL(mlx5_core_query_vport_counter);

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

@ -3126,7 +3126,8 @@ struct mlx5_ifc_query_vport_counter_in_bits {
u8 op_mod[0x10];
u8 other_vport[0x1];
u8 reserved_at_41[0xf];
u8 reserved_at_41[0xb];
u8 port_num[0x4];
u8 vport_number[0x10];
u8 reserved_at_60[0x60];

2
include/linux/mlx5/vport.h
View File

@ -92,5 +92,7 @@ int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev,
int mlx5_nic_vport_enable_roce(struct mlx5_core_dev *mdev);
int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev);
int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
u8 port_num, void *out, size_t out_sz);
#endif /* __MLX5_VPORT_H__ */