1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2019, Mellanox Technologies */
#ifndef _MLX5DR_H_
#define _MLX5DR_H_
struct mlx5dr_domain;
struct mlx5dr_table;
struct mlx5dr_matcher;
struct mlx5dr_rule;
struct mlx5dr_action;
enum mlx5dr_domain_type {
MLX5DR_DOMAIN_TYPE_NIC_RX,
MLX5DR_DOMAIN_TYPE_NIC_TX,
MLX5DR_DOMAIN_TYPE_FDB,
};
enum mlx5dr_domain_sync_flags {
MLX5DR_DOMAIN_SYNC_FLAGS_SW = 1 << 0,
MLX5DR_DOMAIN_SYNC_FLAGS_HW = 1 << 1,
};
enum mlx5dr_action_reformat_type {
DR_ACTION_REFORMAT_TYP_TNL_L2_TO_L2,
DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L2,
DR_ACTION_REFORMAT_TYP_TNL_L3_TO_L2,
DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L3,
DR_ACTION_REFORMAT_TYP_INSERT_HDR,
};
struct mlx5dr_match_parameters {
size_t match_sz;
u64 *match_buf; /* Device spec format */
};
struct mlx5dr_action_dest {
struct mlx5dr_action *dest;
struct mlx5dr_action *reformat;
};
struct mlx5dr_domain *
mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type);
int mlx5dr_domain_destroy(struct mlx5dr_domain *domain);
int mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags);
void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
struct mlx5dr_domain *peer_dmn);
struct mlx5dr_table *
mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level, u32 flags);
int mlx5dr_table_destroy(struct mlx5dr_table *table);
u32 mlx5dr_table_get_id(struct mlx5dr_table *table);
struct mlx5dr_matcher *
mlx5dr_matcher_create(struct mlx5dr_table *table,
u32 priority,
u8 match_criteria_enable,
struct mlx5dr_match_parameters *mask);
int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher);
struct mlx5dr_rule *
mlx5dr_rule_create(struct mlx5dr_matcher *matcher,
struct mlx5dr_match_parameters *value,
size_t num_actions,
struct mlx5dr_action *actions[],
u32 flow_source);
int mlx5dr_rule_destroy(struct mlx5dr_rule *rule);
int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
struct mlx5dr_action *action);
struct mlx5dr_action *
mlx5dr_action_create_dest_table_num(struct mlx5dr_domain *dmn, u32 table_num);
struct mlx5dr_action *
mlx5dr_action_create_dest_table(struct mlx5dr_table *table);
struct mlx5dr_action *
mlx5dr_action_create_dest_flow_fw_table(struct mlx5dr_domain *domain,
struct mlx5_flow_table *ft);
struct mlx5dr_action *
mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,
u32 vport, u8 vhca_id_valid,
u16 vhca_id);
struct mlx5dr_action *
mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn,
struct mlx5dr_action_dest *dests,
u32 num_of_dests);
struct mlx5dr_action *mlx5dr_action_create_drop(void);
struct mlx5dr_action *mlx5dr_action_create_tag(u32 tag_value);
struct mlx5dr_action *
mlx5dr_action_create_flow_counter(u32 counter_id);
struct mlx5dr_action *
mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,
enum mlx5dr_action_reformat_type reformat_type,
u8 reformat_param_0,
u8 reformat_param_1,
size_t data_sz,
void *data);
struct mlx5dr_action *
mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,
u32 flags,
size_t actions_sz,
__be64 actions[]);
struct mlx5dr_action *mlx5dr_action_create_pop_vlan(void);
struct mlx5dr_action *
mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain, __be32 vlan_hdr);
int mlx5dr_action_destroy(struct mlx5dr_action *action);
static inline bool
mlx5dr_is_supported(struct mlx5_core_dev *dev)
{
return MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner) ||
(MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner_v2) &&
(MLX5_CAP_GEN(dev, steering_format_version) <=
MLX5_STEERING_FORMAT_CONNECTX_6DX));
}
/* buddy functions & structure */
struct mlx5dr_icm_mr;
struct mlx5dr_icm_buddy_mem {
unsigned long **bitmap;
unsigned int *num_free;
u32 max_order;
struct list_head list_node;
struct mlx5dr_icm_mr *icm_mr;
struct mlx5dr_icm_pool *pool;
/* This is the list of used chunks. HW may be accessing this memory */
struct list_head used_list;
u64 used_memory;
/* Hardware may be accessing this memory but at some future,
* undetermined time, it might cease to do so.
* sync_ste command sets them free.
*/
struct list_head hot_list;
};
int mlx5dr_buddy_init(struct mlx5dr_icm_buddy_mem *buddy,
unsigned int max_order);
void mlx5dr_buddy_cleanup(struct mlx5dr_icm_buddy_mem *buddy);
int mlx5dr_buddy_alloc_mem(struct mlx5dr_icm_buddy_mem *buddy,
unsigned int order,
unsigned int *segment);
void mlx5dr_buddy_free_mem(struct mlx5dr_icm_buddy_mem *buddy,
unsigned int seg, unsigned int order);
#endif /* _MLX5DR_H_ */
|