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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
7struct mlx5dr_domain;
8struct mlx5dr_table;
9struct mlx5dr_matcher;
10struct mlx5dr_rule;
11struct mlx5dr_action;
12
13enum mlx5dr_domain_type {
14 MLX5DR_DOMAIN_TYPE_NIC_RX,
15 MLX5DR_DOMAIN_TYPE_NIC_TX,
16 MLX5DR_DOMAIN_TYPE_FDB,
17};
18
19enum mlx5dr_domain_sync_flags {
20 MLX5DR_DOMAIN_SYNC_FLAGS_SW = 1 << 0,
21 MLX5DR_DOMAIN_SYNC_FLAGS_HW = 1 << 1,
22};
23
24enum 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 DR_ACTION_REFORMAT_TYP_INSERT_HDR,
30 DR_ACTION_REFORMAT_TYP_REMOVE_HDR,
31};
32
33struct mlx5dr_match_parameters {
34 size_t match_sz;
35 u64 *match_buf; /* Device spec format */
36};
37
38struct mlx5dr_action_dest {
39 struct mlx5dr_action *dest;
40 struct mlx5dr_action *reformat;
41};
42
43struct mlx5dr_domain *
44mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type);
45
46int mlx5dr_domain_destroy(struct mlx5dr_domain *domain);
47
48int mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags);
49
50void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
51 struct mlx5dr_domain *peer_dmn,
52 u16 peer_vhca_id);
53
54struct mlx5dr_table *
55mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level, u32 flags,
56 u16 uid);
57
58struct mlx5dr_table *
59mlx5dr_table_get_from_fs_ft(struct mlx5_flow_table *ft);
60
61int mlx5dr_table_destroy(struct mlx5dr_table *table);
62
63u32 mlx5dr_table_get_id(struct mlx5dr_table *table);
64
65struct mlx5dr_matcher *
66mlx5dr_matcher_create(struct mlx5dr_table *table,
67 u32 priority,
68 u8 match_criteria_enable,
69 struct mlx5dr_match_parameters *mask);
70
71int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher);
72
73struct mlx5dr_rule *
74mlx5dr_rule_create(struct mlx5dr_matcher *matcher,
75 struct mlx5dr_match_parameters *value,
76 size_t num_actions,
77 struct mlx5dr_action *actions[],
78 u32 flow_source);
79
80int mlx5dr_rule_destroy(struct mlx5dr_rule *rule);
81
82int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
83 struct mlx5dr_action *action);
84
85struct mlx5dr_action *
86mlx5dr_action_create_dest_table_num(struct mlx5dr_domain *dmn, u32 table_num);
87
88struct mlx5dr_action *
89mlx5dr_action_create_dest_table(struct mlx5dr_table *table);
90
91struct mlx5dr_action *
92mlx5dr_action_create_dest_flow_fw_table(struct mlx5dr_domain *domain,
93 struct mlx5_flow_table *ft);
94
95struct mlx5dr_action *
96mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,
97 u16 vport, u8 vhca_id_valid,
98 u16 vhca_id);
99
100struct mlx5dr_action *
101mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn,
102 struct mlx5dr_action_dest *dests,
103 u32 num_of_dests,
104 bool ignore_flow_level,
105 u32 flow_source);
106
107struct mlx5dr_action *mlx5dr_action_create_drop(void);
108
109struct mlx5dr_action *mlx5dr_action_create_tag(u32 tag_value);
110
111struct mlx5dr_action *
112mlx5dr_action_create_flow_sampler(struct mlx5dr_domain *dmn, u32 sampler_id);
113
114struct mlx5dr_action *
115mlx5dr_action_create_flow_counter(u32 counter_id);
116
117struct mlx5dr_action *
118mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,
119 enum mlx5dr_action_reformat_type reformat_type,
120 u8 reformat_param_0,
121 u8 reformat_param_1,
122 size_t data_sz,
123 void *data);
124
125struct mlx5dr_action *
126mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,
127 u32 flags,
128 size_t actions_sz,
129 __be64 actions[]);
130
131struct mlx5dr_action *mlx5dr_action_create_pop_vlan(void);
132
133struct mlx5dr_action *
134mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain, __be32 vlan_hdr);
135
136struct mlx5dr_action *
137mlx5dr_action_create_aso(struct mlx5dr_domain *dmn,
138 u32 obj_id,
139 u8 return_reg_id,
140 u8 aso_type,
141 u8 init_color,
142 u8 meter_id);
143
144struct mlx5dr_action *
145mlx5dr_action_create_dest_match_range(struct mlx5dr_domain *dmn,
146 u32 field,
147 struct mlx5_flow_table *hit_ft,
148 struct mlx5_flow_table *miss_ft,
149 u32 min,
150 u32 max);
151
152int mlx5dr_action_destroy(struct mlx5dr_action *action);
153
154u32 mlx5dr_action_get_pkt_reformat_id(struct mlx5dr_action *action);
155
156int mlx5dr_definer_get(struct mlx5dr_domain *dmn, u16 format_id,
157 u8 *dw_selectors, u8 *byte_selectors,
158 u8 *match_mask, u32 *definer_id);
159void mlx5dr_definer_put(struct mlx5dr_domain *dmn, u32 definer_id);
160
161static inline bool
162mlx5dr_is_supported(struct mlx5_core_dev *dev)
163{
164 return MLX5_CAP_GEN(dev, roce) &&
165 (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner) ||
166 (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner_v2) &&
167 (MLX5_CAP_GEN(dev, steering_format_version) <=
168 MLX5_STEERING_FORMAT_CONNECTX_7)));
169}
170
171/* buddy functions & structure */
172
173struct mlx5dr_icm_mr;
174
175struct mlx5dr_icm_buddy_mem {
176 unsigned long **bitmap;
177 unsigned int *num_free;
178 u32 max_order;
179 struct list_head list_node;
180 struct mlx5dr_icm_mr *icm_mr;
181 struct mlx5dr_icm_pool *pool;
182
183 /* Amount of memory in used chunks - HW may be accessing this memory */
184 u64 used_memory;
185
186 /* Memory optimisation */
187 struct mlx5dr_ste *ste_arr;
188 struct list_head *miss_list;
189 u8 *hw_ste_arr;
190};
191
192int mlx5dr_buddy_init(struct mlx5dr_icm_buddy_mem *buddy,
193 unsigned int max_order);
194void mlx5dr_buddy_cleanup(struct mlx5dr_icm_buddy_mem *buddy);
195int mlx5dr_buddy_alloc_mem(struct mlx5dr_icm_buddy_mem *buddy,
196 unsigned int order,
197 unsigned int *segment);
198void mlx5dr_buddy_free_mem(struct mlx5dr_icm_buddy_mem *buddy,
199 unsigned int seg, unsigned int order);
200
201#endif /* _MLX5DR_H_ */