Add API function to query port performance counters for infiniband and RoCE

traffic in mlx5 core.

Sponsored by:	Mellanox Technologies
MFC after:	1 week
This commit is contained in:
Hans Petter Selasky 2017-11-10 13:58:49 +00:00
parent f4554f7830
commit f6923226eb
2 changed files with 24 additions and 0 deletions

View File

@ -1757,3 +1757,25 @@ int mlx5_query_hca_vport_state(struct mlx5_core_dev *dev, u8 *vport_state)
return err;
}
EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_state);
int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
u8 port_num, void *out, size_t sz)
{
u32 *in;
int err;
in = mlx5_vzalloc(sz);
if (!in) {
err = -ENOMEM;
return err;
}
MLX5_SET(ppcnt_reg, in, local_port, port_num);
MLX5_SET(ppcnt_reg, in, grp, MLX5_INFINIBAND_PORT_COUNTERS_GROUP);
err = mlx5_core_access_reg(dev, in, sz, out,
sz, MLX5_REG_PPCNT, 0, 0);
kvfree(in);
return err;
}

View File

@ -143,4 +143,6 @@ int mlx5_query_vport_counter(struct mlx5_core_dev *dev,
void *out, int out_size);
int mlx5_get_vport_counters(struct mlx5_core_dev *dev, u8 port_num,
struct mlx5_vport_counters *vc);
int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
u8 port_num, void *out, size_t sz);
#endif /* __MLX5_VPORT_H__ */