Author: hselasky
Date: Fri Nov 10 13:58:49 2017
New Revision: 325657
URL: https://svnweb.freebsd.org/changeset/base/325657
Log:
Add API function to query port performance counters for infiniband and RoCE
traffic in mlx5 core.
Sponsored by: Mellanox Technologies
MFC after: 1 week
Modified:
head/sys/dev/mlx5/mlx5_core/mlx5_vport.c
head/sys/dev/mlx5/vport.h
Modified: head/sys/dev/mlx5/mlx5_core/mlx5_vport.c
==============================================================================
--- head/sys/dev/mlx5/mlx5_core/mlx5_vport.c Fri Nov 10 13:56:11 2017
(r325656)
+++ head/sys/dev/mlx5/mlx5_core/mlx5_vport.c Fri Nov 10 13:58:49 2017
(r325657)
@@ -1757,3 +1757,25 @@ out:
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;
+}
Modified: head/sys/dev/mlx5/vport.h
==============================================================================
--- head/sys/dev/mlx5/vport.h Fri Nov 10 13:56:11 2017 (r325656)
+++ head/sys/dev/mlx5/vport.h Fri Nov 10 13:58:49 2017 (r325657)
@@ -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__ */
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