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