svn commit: r329203 - in stable/11/sys/dev/mlx5: . mlx5_core

[Hans Petter Selasky]

Author: hselasky
Date: Tue Feb 13 14:47:44 2018
New Revision: 329203
URL: https://svnweb.freebsd.org/changeset/base/329203

Log:
  MFC r325657:
  Add API function to query port performance counters for infiniband and RoCE
  traffic in mlx5 core.
  
  Sponsored by:	Mellanox Technologies

Modified:
  stable/11/sys/dev/mlx5/mlx5_core/mlx5_vport.c
  stable/11/sys/dev/mlx5/vport.h
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/mlx5/mlx5_core/mlx5_vport.c
==============================================================================
--- stable/11/sys/dev/mlx5/mlx5_core/mlx5_vport.c	Tue Feb 13 14:46:29 2018	(r329202)
+++ stable/11/sys/dev/mlx5/mlx5_core/mlx5_vport.c	Tue Feb 13 14:47:44 2018	(r329203)
@@ -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: stable/11/sys/dev/mlx5/vport.h
==============================================================================
--- stable/11/sys/dev/mlx5/vport.h	Tue Feb 13 14:46:29 2018	(r329202)
+++ stable/11/sys/dev/mlx5/vport.h	Tue Feb 13 14:47:44 2018	(r329203)
@@ -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__ */