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