1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2019, Mellanox Technologies */
3 
4 #ifndef _MLX5DR_H_
5 #define _MLX5DR_H_
6 
7 struct mlx5dr_domain;
8 struct mlx5dr_table;
9 struct mlx5dr_matcher;
10 struct mlx5dr_rule;
11 struct mlx5dr_action;
12 
13 enum mlx5dr_domain_type {
14 	MLX5DR_DOMAIN_TYPE_NIC_RX,
15 	MLX5DR_DOMAIN_TYPE_NIC_TX,
16 	MLX5DR_DOMAIN_TYPE_FDB,
17 };
18 
19 enum mlx5dr_domain_sync_flags {
20 	MLX5DR_DOMAIN_SYNC_FLAGS_SW = 1 << 0,
21 	MLX5DR_DOMAIN_SYNC_FLAGS_HW = 1 << 1,
22 };
23 
24 enum mlx5dr_action_reformat_type {
25 	DR_ACTION_REFORMAT_TYP_TNL_L2_TO_L2,
26 	DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L2,
27 	DR_ACTION_REFORMAT_TYP_TNL_L3_TO_L2,
28 	DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L3,
29 };
30 
31 struct mlx5dr_match_parameters {
32 	size_t match_sz;
33 	u64 *match_buf; /* Device spec format */
34 };
35 
36 struct mlx5dr_action_dest {
37 	struct mlx5dr_action *dest;
38 	struct mlx5dr_action *reformat;
39 };
40 
41 struct mlx5dr_domain *
42 mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type);
43 
44 int mlx5dr_domain_destroy(struct mlx5dr_domain *domain);
45 
46 int mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags);
47 
48 void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
49 			    struct mlx5dr_domain *peer_dmn);
50 
51 struct mlx5dr_table *
52 mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level, u32 flags);
53 
54 int mlx5dr_table_destroy(struct mlx5dr_table *table);
55 
56 u32 mlx5dr_table_get_id(struct mlx5dr_table *table);
57 
58 struct mlx5dr_matcher *
59 mlx5dr_matcher_create(struct mlx5dr_table *table,
60 		      u32 priority,
61 		      u8 match_criteria_enable,
62 		      struct mlx5dr_match_parameters *mask);
63 
64 int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher);
65 
66 struct mlx5dr_rule *
67 mlx5dr_rule_create(struct mlx5dr_matcher *matcher,
68 		   struct mlx5dr_match_parameters *value,
69 		   size_t num_actions,
70 		   struct mlx5dr_action *actions[]);
71 
72 int mlx5dr_rule_destroy(struct mlx5dr_rule *rule);
73 
74 int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
75 				 struct mlx5dr_action *action);
76 
77 struct mlx5dr_action *
78 mlx5dr_action_create_dest_table_num(struct mlx5dr_domain *dmn, u32 table_num);
79 
80 struct mlx5dr_action *
81 mlx5dr_action_create_dest_table(struct mlx5dr_table *table);
82 
83 struct mlx5dr_action *
84 mlx5dr_action_create_dest_flow_fw_table(struct mlx5dr_domain *domain,
85 					struct mlx5_flow_table *ft);
86 
87 struct mlx5dr_action *
88 mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,
89 				u32 vport, u8 vhca_id_valid,
90 				u16 vhca_id);
91 
92 struct mlx5dr_action *
93 mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn,
94 				   struct mlx5dr_action_dest *dests,
95 				   u32 num_of_dests);
96 
97 struct mlx5dr_action *mlx5dr_action_create_drop(void);
98 
99 struct mlx5dr_action *mlx5dr_action_create_tag(u32 tag_value);
100 
101 struct mlx5dr_action *
102 mlx5dr_action_create_flow_counter(u32 counter_id);
103 
104 struct mlx5dr_action *
105 mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,
106 				     enum mlx5dr_action_reformat_type reformat_type,
107 				     size_t data_sz,
108 				     void *data);
109 
110 struct mlx5dr_action *
111 mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,
112 				   u32 flags,
113 				   size_t actions_sz,
114 				   __be64 actions[]);
115 
116 struct mlx5dr_action *mlx5dr_action_create_pop_vlan(void);
117 
118 struct mlx5dr_action *
119 mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain, __be32 vlan_hdr);
120 
121 int mlx5dr_action_destroy(struct mlx5dr_action *action);
122 
123 static inline bool
124 mlx5dr_is_supported(struct mlx5_core_dev *dev)
125 {
126 	return MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner);
127 }
128 
129 #endif /* _MLX5DR_H_ */
130