fs_ttc.h

 1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 2/* Copyright (c) 2020 Mellanox Technologies. */
 3
 4#ifndef __ML5_FS_TTC_H__
 5#define __ML5_FS_TTC_H__
 6
 7#include <linux/mlx5/fs.h>
 8
 9enum mlx5_traffic_types {
10	MLX5_TT_IPV4_TCP,
11	MLX5_TT_IPV6_TCP,
12	MLX5_TT_IPV4_UDP,
13	MLX5_TT_IPV6_UDP,
14	MLX5_TT_IPV4_IPSEC_AH,
15	MLX5_TT_IPV6_IPSEC_AH,
16	MLX5_TT_IPV4_IPSEC_ESP,
17	MLX5_TT_IPV6_IPSEC_ESP,
18	MLX5_TT_IPV4,
19	MLX5_TT_IPV6,
20	MLX5_TT_ANY,
21	MLX5_TT_DECRYPTED_ESP_OUTER_IPV4_TCP,
22	MLX5_TT_DECRYPTED_ESP_OUTER_IPV6_TCP,
23	MLX5_TT_DECRYPTED_ESP_OUTER_IPV4_UDP,
24	MLX5_TT_DECRYPTED_ESP_OUTER_IPV6_UDP,
25	MLX5_TT_DECRYPTED_ESP_INNER_IPV4_TCP,
26	MLX5_TT_DECRYPTED_ESP_INNER_IPV6_TCP,
27	MLX5_TT_DECRYPTED_ESP_INNER_IPV4_UDP,
28	MLX5_TT_DECRYPTED_ESP_INNER_IPV6_UDP,
29	MLX5_NUM_TT,
30	MLX5_NUM_INDIR_TIRS = MLX5_TT_ANY,
31};
32
33enum mlx5_tunnel_types {
34	MLX5_TT_IPV4_GRE,
35	MLX5_TT_IPV6_GRE,
36	MLX5_TT_IPV4_IPIP,
37	MLX5_TT_IPV6_IPIP,
38	MLX5_TT_IPV4_IPV6,
39	MLX5_TT_IPV6_IPV6,
40	MLX5_NUM_TUNNEL_TT,
41};
42
43struct mlx5_ttc_rule {
44	struct mlx5_flow_handle *rule;
45	struct mlx5_flow_destination default_dest;
46};
47
48struct mlx5_ttc_table;
49
50struct ttc_params {
51	enum mlx5_flow_namespace_type ns_type;
52	struct mlx5_flow_table_attr ft_attr;
53	struct mlx5_flow_destination dests[MLX5_NUM_TT];
54	DECLARE_BITMAP(ignore_dests, MLX5_NUM_TT);
55	bool   inner_ttc;
56	DECLARE_BITMAP(ignore_tunnel_dests, MLX5_NUM_TUNNEL_TT);
57	struct mlx5_flow_destination tunnel_dests[MLX5_NUM_TUNNEL_TT];
58	bool ipsec_rss;
59};
60
61const char *mlx5_ttc_get_name(enum mlx5_traffic_types tt);
62struct mlx5_flow_table *mlx5_get_ttc_flow_table(struct mlx5_ttc_table *ttc);
63
64struct mlx5_ttc_table *mlx5_create_ttc_table(struct mlx5_core_dev *dev,
65					     struct ttc_params *params);
66void mlx5_destroy_ttc_table(struct mlx5_ttc_table *ttc);
67
68struct mlx5_ttc_table *mlx5_create_inner_ttc_table(struct mlx5_core_dev *dev,
69						   struct ttc_params *params);
70
71int mlx5_ttc_fwd_dest(struct mlx5_ttc_table *ttc, enum mlx5_traffic_types type,
72		      struct mlx5_flow_destination *new_dest);
73struct mlx5_flow_destination
74mlx5_ttc_get_default_dest(struct mlx5_ttc_table *ttc,
75			  enum mlx5_traffic_types type);
76int mlx5_ttc_fwd_default_dest(struct mlx5_ttc_table *ttc,
77			      enum mlx5_traffic_types type);
78
79bool mlx5_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev);
80u8 mlx5_get_proto_by_tunnel_type(enum mlx5_tunnel_types tt);
81
82bool mlx5_ttc_has_esp_flow_group(struct mlx5_ttc_table *ttc);
83int mlx5_ttc_create_ipsec_rules(struct mlx5_ttc_table *ttc,
84				struct mlx5_ttc_table *inner_ttc);
85void mlx5_ttc_destroy_ipsec_rules(struct mlx5_ttc_table *ttc);
86static inline bool mlx5_ttc_is_decrypted_esp_tt(enum mlx5_traffic_types tt)
87{
88	return tt >= MLX5_TT_DECRYPTED_ESP_OUTER_IPV4_TCP &&
89	       tt <= MLX5_TT_DECRYPTED_ESP_INNER_IPV6_UDP;
90}
91
92#endif /* __MLX5_FS_TTC_H__ */