post_meter.h

 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_POST_METER_H__
 5#define __MLX5_EN_POST_METER_H__
 6
 7#define packet_color_to_reg { \
 8	.mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_5, \
 9	.moffset = 0, \
10	.mlen = 8, \
11	.soffset = MLX5_BYTE_OFF(fte_match_param, \
12				 misc_parameters_2.metadata_reg_c_5), \
13}
14
15struct mlx5e_post_meter_priv;
16
17enum mlx5e_post_meter_type {
18	MLX5E_POST_METER_RATE = 0,
19	MLX5E_POST_METER_MTU
20};
21
22#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
23
24struct mlx5_flow_table *
25mlx5e_post_meter_get_ft(struct mlx5e_post_meter_priv *post_meter);
26
27struct mlx5_flow_table *
28mlx5e_post_meter_get_mtu_true_ft(struct mlx5e_post_meter_priv *post_meter);
29
30struct mlx5_flow_table *
31mlx5e_post_meter_get_mtu_false_ft(struct mlx5e_post_meter_priv *post_meter);
32
33struct mlx5e_post_meter_priv *
34mlx5e_post_meter_init(struct mlx5e_priv *priv,
35		      enum mlx5_flow_namespace_type ns_type,
36		      struct mlx5e_post_act *post_act,
37		      enum mlx5e_post_meter_type type,
38		      struct mlx5_fc *act_counter,
39		      struct mlx5_fc *drop_counter,
40		      struct mlx5_flow_attr *branch_true,
41		      struct mlx5_flow_attr *branch_false);
42
43void
44mlx5e_post_meter_cleanup(struct mlx5_eswitch *esw, struct mlx5e_post_meter_priv *post_meter);
45
46#else /* CONFIG_MLX5_CLS_ACT */
47
48static inline struct mlx5_flow_table *
49mlx5e_post_meter_get_mtu_true_ft(struct mlx5e_post_meter_priv *post_meter)
50{
51	return NULL;
52}
53
54static inline struct mlx5_flow_table *
55mlx5e_post_meter_get_mtu_false_ft(struct mlx5e_post_meter_priv *post_meter)
56{
57	return NULL;
58}
59
60#endif
61
62#endif /* __MLX5_EN_POST_METER_H__ */