1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
3
4#ifndef __MLX5_EN_FLOW_METER_H__
5#define __MLX5_EN_FLOW_METER_H__
6
7struct mlx5e_post_meter_priv;
8struct mlx5e_flow_meter_aso_obj;
9struct mlx5e_flow_meters;
10struct mlx5_flow_attr;
11
12enum mlx5e_flow_meter_mode {
13	MLX5_RATE_LIMIT_BPS,
14	MLX5_RATE_LIMIT_PPS,
15};
16
17struct mlx5e_flow_meter_params {
18	enum mlx5e_flow_meter_mode mode;
19	 /* police action index */
20	u32 index;
21	u64 rate;
22	u64 burst;
23	u32 mtu;
24};
25
26struct mlx5e_flow_meter_handle {
27	struct mlx5e_flow_meters *flow_meters;
28	struct mlx5e_flow_meter_aso_obj *meters_obj;
29	u32 obj_id;
30	u8 idx;
31
32	int refcnt;
33	struct hlist_node hlist;
34	struct mlx5e_flow_meter_params params;
35
36	struct mlx5_fc *act_counter;
37	struct mlx5_fc *drop_counter;
38};
39
40struct mlx5e_meter_attr {
41	struct mlx5e_flow_meter_params params;
42	struct mlx5e_flow_meter_handle *meter;
43	struct mlx5e_post_meter_priv *post_meter;
44};
45
46int
47mlx5e_tc_meter_modify(struct mlx5_core_dev *mdev,
48		      struct mlx5e_flow_meter_handle *meter,
49		      struct mlx5e_flow_meter_params *meter_params);
50
51struct mlx5e_flow_meter_handle *
52mlx5e_tc_meter_get(struct mlx5_core_dev *mdev, struct mlx5e_flow_meter_params *params);
53void
54mlx5e_tc_meter_put(struct mlx5e_flow_meter_handle *meter);
55int
56mlx5e_tc_meter_update(struct mlx5e_flow_meter_handle *meter,
57		      struct mlx5e_flow_meter_params *params);
58struct mlx5e_flow_meter_handle *
59mlx5e_tc_meter_replace(struct mlx5_core_dev *mdev, struct mlx5e_flow_meter_params *params);
60
61enum mlx5_flow_namespace_type
62mlx5e_tc_meter_get_namespace(struct mlx5e_flow_meters *flow_meters);
63
64struct mlx5e_flow_meters *
65mlx5e_flow_meters_init(struct mlx5e_priv *priv,
66		       enum mlx5_flow_namespace_type ns_type,
67		       struct mlx5e_post_act *post_action);
68void
69mlx5e_flow_meters_cleanup(struct mlx5e_flow_meters *flow_meters);
70
71void
72mlx5e_tc_meter_get_stats(struct mlx5e_flow_meter_handle *meter,
73			 u64 *bytes, u64 *packets, u64 *drops, u64 *lastuse);
74
75#endif /* __MLX5_EN_FLOW_METER_H__ */
76