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
7 struct mlx5e_post_meter_priv;
8 struct mlx5e_flow_meter_aso_obj;
9 struct mlx5e_flow_meters;
10 struct mlx5_flow_attr;
11
12 enum mlx5e_flow_meter_mode {
13 MLX5_RATE_LIMIT_BPS,
14 MLX5_RATE_LIMIT_PPS,
15 };
16
17 struct 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
26 struct 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
40 struct 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
46 int
47 mlx5e_tc_meter_modify(struct mlx5_core_dev *mdev,
48 struct mlx5e_flow_meter_handle *meter,
49 struct mlx5e_flow_meter_params *meter_params);
50
51 struct mlx5e_flow_meter_handle *
52 mlx5e_tc_meter_get(struct mlx5_core_dev *mdev, struct mlx5e_flow_meter_params *params);
53 void
54 mlx5e_tc_meter_put(struct mlx5e_flow_meter_handle *meter);
55 int
56 mlx5e_tc_meter_update(struct mlx5e_flow_meter_handle *meter,
57 struct mlx5e_flow_meter_params *params);
58 struct mlx5e_flow_meter_handle *
59 mlx5e_tc_meter_replace(struct mlx5_core_dev *mdev, struct mlx5e_flow_meter_params *params);
60
61 enum mlx5_flow_namespace_type
62 mlx5e_tc_meter_get_namespace(struct mlx5e_flow_meters *flow_meters);
63
64 struct mlx5e_flow_meters *
65 mlx5e_flow_meters_init(struct mlx5e_priv *priv,
66 enum mlx5_flow_namespace_type ns_type,
67 struct mlx5e_post_act *post_action);
68 void
69 mlx5e_flow_meters_cleanup(struct mlx5e_flow_meters *flow_meters);
70
71 void
72 mlx5e_tc_meter_get_stats(struct mlx5e_flow_meter_handle *meter,
73 u64 *bytes, u64 *packets, u64 *drops, u64 *lastuse);
74
75 #if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
76
77 int mlx5e_flow_meter_get_base_id(struct mlx5e_flow_meter_handle *meter);
78
79 #else /* CONFIG_MLX5_CLS_ACT */
80
81 static inline int
mlx5e_flow_meter_get_base_id(struct mlx5e_flow_meter_handle * meter)82 mlx5e_flow_meter_get_base_id(struct mlx5e_flow_meter_handle *meter)
83 {
84 return 0;
85 }
86 #endif /* CONFIG_MLX5_CLS_ACT */
87
88 #endif /* __MLX5_EN_FLOW_METER_H__ */
89