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 #ifdef CONFIG_MLX5_SW_STEERING
42 
43 struct mlx5dr_domain *
44 mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type);
45 
46 int mlx5dr_domain_destroy(struct mlx5dr_domain *domain);
47 
48 int mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags);
49 
50 void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
51 			    struct mlx5dr_domain *peer_dmn);
52 
53 struct mlx5dr_table *
54 mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level, u32 flags);
55 
56 int mlx5dr_table_destroy(struct mlx5dr_table *table);
57 
58 u32 mlx5dr_table_get_id(struct mlx5dr_table *table);
59 
60 struct mlx5dr_matcher *
61 mlx5dr_matcher_create(struct mlx5dr_table *table,
62 		      u16 priority,
63 		      u8 match_criteria_enable,
64 		      struct mlx5dr_match_parameters *mask);
65 
66 int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher);
67 
68 struct mlx5dr_rule *
69 mlx5dr_rule_create(struct mlx5dr_matcher *matcher,
70 		   struct mlx5dr_match_parameters *value,
71 		   size_t num_actions,
72 		   struct mlx5dr_action *actions[]);
73 
74 int mlx5dr_rule_destroy(struct mlx5dr_rule *rule);
75 
76 int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
77 				 struct mlx5dr_action *action);
78 
79 struct mlx5dr_action *
80 mlx5dr_action_create_dest_table(struct mlx5dr_table *table);
81 
82 struct mlx5dr_action *
83 mlx5dr_action_create_dest_flow_fw_table(struct mlx5dr_domain *domain,
84 					struct mlx5_flow_table *ft);
85 
86 struct mlx5dr_action *
87 mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,
88 				u32 vport, u8 vhca_id_valid,
89 				u16 vhca_id);
90 
91 struct mlx5dr_action *
92 mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn,
93 				   struct mlx5dr_action_dest *dests,
94 				   u32 num_of_dests);
95 
96 struct mlx5dr_action *mlx5dr_action_create_drop(void);
97 
98 struct mlx5dr_action *mlx5dr_action_create_tag(u32 tag_value);
99 
100 struct mlx5dr_action *
101 mlx5dr_action_create_flow_counter(u32 counter_id);
102 
103 struct mlx5dr_action *
104 mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,
105 				     enum mlx5dr_action_reformat_type reformat_type,
106 				     size_t data_sz,
107 				     void *data);
108 
109 struct mlx5dr_action *
110 mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,
111 				   u32 flags,
112 				   size_t actions_sz,
113 				   __be64 actions[]);
114 
115 struct mlx5dr_action *mlx5dr_action_create_pop_vlan(void);
116 
117 struct mlx5dr_action *
118 mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain, __be32 vlan_hdr);
119 
120 int mlx5dr_action_destroy(struct mlx5dr_action *action);
121 
122 static inline bool
123 mlx5dr_is_supported(struct mlx5_core_dev *dev)
124 {
125 	return MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner);
126 }
127 
128 #else /* CONFIG_MLX5_SW_STEERING */
129 
130 static inline struct mlx5dr_domain *
131 mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type) { return NULL; }
132 
133 static inline int
134 mlx5dr_domain_destroy(struct mlx5dr_domain *domain) { return 0; }
135 
136 static inline int
137 mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags) { return 0; }
138 
139 static inline void
140 mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
141 		       struct mlx5dr_domain *peer_dmn) { }
142 
143 static inline struct mlx5dr_table *
144 mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level, u32 flags) { return NULL; }
145 
146 static inline int
147 mlx5dr_table_destroy(struct mlx5dr_table *table) { return 0; }
148 
149 static inline u32
150 mlx5dr_table_get_id(struct mlx5dr_table *table) { return 0; }
151 
152 static inline struct mlx5dr_matcher *
153 mlx5dr_matcher_create(struct mlx5dr_table *table,
154 		      u16 priority,
155 		      u8 match_criteria_enable,
156 		      struct mlx5dr_match_parameters *mask) { return NULL; }
157 
158 static inline int
159 mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher) { return 0; }
160 
161 static inline struct mlx5dr_rule *
162 mlx5dr_rule_create(struct mlx5dr_matcher *matcher,
163 		   struct mlx5dr_match_parameters *value,
164 		   size_t num_actions,
165 		   struct mlx5dr_action *actions[]) { return NULL; }
166 
167 static inline int
168 mlx5dr_rule_destroy(struct mlx5dr_rule *rule) { return 0; }
169 
170 static inline int
171 mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
172 			     struct mlx5dr_action *action) { return 0; }
173 
174 static inline struct mlx5dr_action *
175 mlx5dr_action_create_dest_table(struct mlx5dr_table *table) { return NULL; }
176 
177 static inline struct mlx5dr_action *
178 mlx5dr_action_create_dest_flow_fw_table(struct mlx5dr_domain *domain,
179 					struct mlx5_flow_table *ft) { return NULL; }
180 
181 static inline struct mlx5dr_action *
182 mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,
183 				u32 vport, u8 vhca_id_valid,
184 				u16 vhca_id) { return NULL; }
185 
186 static inline struct mlx5dr_action *
187 mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn,
188 				   struct mlx5dr_action_dest *dests,
189 				   u32 num_of_dests)  { return NULL; }
190 
191 static inline struct mlx5dr_action *
192 mlx5dr_action_create_drop(void) { return NULL; }
193 
194 static inline struct mlx5dr_action *
195 mlx5dr_action_create_tag(u32 tag_value) { return NULL; }
196 
197 static inline struct mlx5dr_action *
198 mlx5dr_action_create_flow_counter(u32 counter_id) { return NULL; }
199 
200 static inline struct mlx5dr_action *
201 mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,
202 				     enum mlx5dr_action_reformat_type reformat_type,
203 				     size_t data_sz,
204 				     void *data) { return NULL; }
205 
206 static inline struct mlx5dr_action *
207 mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,
208 				   u32 flags,
209 				   size_t actions_sz,
210 				   __be64 actions[]) { return NULL; }
211 
212 static inline struct mlx5dr_action *
213 mlx5dr_action_create_pop_vlan(void) { return NULL; }
214 
215 static inline struct mlx5dr_action *
216 mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain,
217 			       __be32 vlan_hdr) { return NULL; }
218 
219 static inline int
220 mlx5dr_action_destroy(struct mlx5dr_action *action) { return 0; }
221 
222 static inline bool
223 mlx5dr_is_supported(struct mlx5_core_dev *dev) { return false; }
224 
225 #endif /* CONFIG_MLX5_SW_STEERING */
226 
227 #endif /* _MLX5DR_H_ */
228