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 #endif /* __MLX5_EN_FLOW_METER_H__ */ 76