xref: /freebsd-src/sys/dev/mlx5/mlx5_core/fs_chains.h (revision e23731db48ef9c6568d4768b1f87d48514339faa)
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 <dev/mlx5/fs.h>
8 
9 struct mlx5_fs_chains;
10 
11 enum mlx5_chains_flags {
12 	MLX5_CHAINS_AND_PRIOS_SUPPORTED = BIT(0),
13 	MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED = BIT(1),
14 	MLX5_CHAINS_FT_TUNNEL_SUPPORTED = BIT(2),
15 };
16 
17 struct mlx5_chains_attr {
18 	enum mlx5_flow_namespace_type ns;
19 	int fs_base_prio;
20 	int fs_base_level;
21 	u32 flags;
22 	u32 max_grp_num;
23 	struct mlx5_flow_table *default_ft;
24 };
25 
26 bool
27 mlx5_chains_prios_supported(struct mlx5_fs_chains *chains);
28 bool mlx5_chains_ignore_flow_level_supported(struct mlx5_fs_chains *chains);
29 bool
30 mlx5_chains_backwards_supported(struct mlx5_fs_chains *chains);
31 u32
32 mlx5_chains_get_prio_range(struct mlx5_fs_chains *chains);
33 u32
34 mlx5_chains_get_chain_range(struct mlx5_fs_chains *chains);
35 u32
36 mlx5_chains_get_nf_ft_chain(struct mlx5_fs_chains *chains);
37 
38 struct mlx5_flow_table *
39 mlx5_chains_get_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio,
40 		      u32 level);
41 void
42 mlx5_chains_put_table(struct mlx5_fs_chains *chains, u32 chain, u32 prio,
43 		      u32 level);
44 
45 struct mlx5_flow_table *
46 mlx5_chains_get_tc_end_ft(struct mlx5_fs_chains *chains);
47 
48 struct mlx5_flow_table *
49 mlx5_chains_create_global_table(struct mlx5_fs_chains *chains);
50 void
51 mlx5_chains_destroy_global_table(struct mlx5_fs_chains *chains,
52 				 struct mlx5_flow_table *ft);
53 
54 int
55 mlx5_chains_get_chain_mapping(struct mlx5_fs_chains *chains, u32 chain,
56 			      u32 *chain_mapping);
57 int
58 mlx5_chains_put_chain_mapping(struct mlx5_fs_chains *chains,
59 			      u32 chain_mapping);
60 
61 struct mlx5_fs_chains *
62 mlx5_chains_create(struct mlx5_core_dev *dev, struct mlx5_chains_attr *attr);
63 void mlx5_chains_destroy(struct mlx5_fs_chains *chains);
64 
65 void
66 mlx5_chains_set_end_ft(struct mlx5_fs_chains *chains,
67 		       struct mlx5_flow_table *ft);
68 void
69 mlx5_chains_print_info(struct mlx5_fs_chains *chains);
70 
71 #endif /* __ML5_ESW_CHAINS_H__ */
72