| 1 | /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
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| 2 | /* Copyright (c) 2020 Mellanox Technologies. */ |
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| 3 | |
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| 4 | #ifndef __ML5_ESW_CHAINS_H__ |
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| 5 | #define __ML5_ESW_CHAINS_H__ |
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| 6 | |
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| 7 | #include <linux/mlx5/fs.h> |
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| 8 | |
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| 9 | struct mlx5_fs_chains; |
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| 10 | struct mlx5_mapped_obj; |
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| 11 | |
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| 12 | enum mlx5_chains_flags { |
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| 13 | MLX5_CHAINS_AND_PRIOS_SUPPORTED = BIT(0), |
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| 14 | MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED = BIT(1), |
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| 15 | MLX5_CHAINS_FT_TUNNEL_SUPPORTED = BIT(2), |
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| 16 | }; |
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| 17 | |
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| 18 | struct mlx5_chains_attr { |
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| 19 | enum mlx5_flow_namespace_type ns; |
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| 20 | int fs_base_prio; |
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| 21 | int fs_base_level; |
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| 22 | u32 flags; |
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| 23 | u32 max_grp_num; |
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| 24 | struct mlx5_flow_table *default_ft; |
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| 25 | struct mapping_ctx *mapping; |
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| 26 | }; |
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| 27 | |
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| 28 | #if IS_ENABLED(CONFIG_MLX5_CLS_ACT) |
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| 29 | |
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| 30 | bool |
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| 31 | mlx5_chains_prios_supported(struct mlx5_fs_chains *chains); |
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| 32 | bool mlx5_chains_ignore_flow_level_supported(struct mlx5_fs_chains *chains); |
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| 33 | bool |
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| 34 | mlx5_chains_backwards_supported(struct mlx5_fs_chains *chains); |
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| 35 | u32 |
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| 36 | mlx5_chains_get_prio_range(struct mlx5_fs_chains *chains); |
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| 37 | u32 |
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| 38 | mlx5_chains_get_chain_range(struct mlx5_fs_chains *chains); |
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| 39 | u32 |
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| 40 | mlx5_chains_get_nf_ft_chain(struct mlx5_fs_chains *chains); |
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| 41 | |
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| 42 | struct mlx5_flow_table * |
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| 43 | mlx5_chains_get_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio, |
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| 44 | u32 level); |
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| 45 | void |
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| 46 | mlx5_chains_put_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio, |
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| 47 | u32 level); |
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| 48 | |
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| 49 | struct mlx5_flow_table * |
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| 50 | mlx5_chains_get_tc_end_ft(struct mlx5_fs_chains *chains); |
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| 51 | |
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| 52 | struct mlx5_flow_table * |
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| 53 | mlx5_chains_create_global_table(struct mlx5_fs_chains *chains); |
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| 54 | void |
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| 55 | mlx5_chains_destroy_global_table(struct mlx5_fs_chains *chains, |
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| 56 | struct mlx5_flow_table *ft); |
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| 57 | |
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| 58 | int |
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| 59 | mlx5_chains_get_chain_mapping(struct mlx5_fs_chains *chains, u32 chain, |
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| 60 | u32 *chain_mapping); |
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| 61 | int |
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| 62 | mlx5_chains_put_chain_mapping(struct mlx5_fs_chains *chains, |
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| 63 | u32 chain_mapping); |
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| 64 | |
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| 65 | struct mlx5_fs_chains * |
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| 66 | mlx5_chains_create(struct mlx5_core_dev *dev, struct mlx5_chains_attr *attr); |
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| 67 | void mlx5_chains_destroy(struct mlx5_fs_chains *chains); |
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| 68 | |
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| 69 | void |
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| 70 | mlx5_chains_set_end_ft(struct mlx5_fs_chains *chains, |
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| 71 | struct mlx5_flow_table *ft); |
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| 72 | void |
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| 73 | mlx5_chains_print_info(struct mlx5_fs_chains *chains); |
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| 74 | |
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| 75 | #else /* CONFIG_MLX5_CLS_ACT */ |
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| 76 | |
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| 77 | static inline bool |
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| 78 | mlx5_chains_ignore_flow_level_supported(struct mlx5_fs_chains *chains) |
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| 79 | { return false; } |
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| 80 | |
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| 81 | static inline struct mlx5_flow_table * |
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| 82 | mlx5_chains_get_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio, |
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| 83 | u32 level) { return ERR_PTR(-EOPNOTSUPP); } |
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| 84 | static inline void |
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| 85 | mlx5_chains_put_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio, |
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| 86 | u32 level) {}; |
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| 87 | |
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| 88 | static inline struct mlx5_flow_table * |
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| 89 | mlx5_chains_get_tc_end_ft(struct mlx5_fs_chains *chains) { return ERR_PTR(-EOPNOTSUPP); } |
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| 90 | |
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| 91 | static inline struct mlx5_fs_chains * |
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| 92 | mlx5_chains_create(struct mlx5_core_dev *dev, struct mlx5_chains_attr *attr) |
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| 93 | { return NULL; } |
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| 94 | static inline void |
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| 95 | mlx5_chains_destroy(struct mlx5_fs_chains *chains) {} |
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| 96 | static inline void |
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| 97 | mlx5_chains_print_info(struct mlx5_fs_chains *chains) {} |
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| 98 | |
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| 99 | #endif /* CONFIG_MLX5_CLS_ACT */ |
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| 100 | |
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| 101 | #endif /* __ML5_ESW_CHAINS_H__ */ |
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| 102 | |
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