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