Date: Fri, 10 Nov 2017 13:58:49 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r325657 - in head/sys/dev/mlx5: . mlx5_core Message-ID: <201711101358.vAADwnb4014452@repo.freebsd.org>
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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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