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
|
/*
* Copyright (C) 2017 Netronome Systems, Inc.
*
* This software is dual licensed under the GNU General License Version 2,
* June 1991 as shown in the file COPYING in the top-level directory of this
* source tree or the BSD 2-Clause License provided below. You have the
* option to license this software under the complete terms of either license.
*
* The BSD 2-Clause License:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef NFP_BPF_FW_H
#define NFP_BPF_FW_H 1
#include <linux/bitops.h>
#include <linux/types.h>
enum bpf_cap_tlv_type {
NFP_BPF_CAP_TYPE_FUNC = 1,
NFP_BPF_CAP_TYPE_ADJUST_HEAD = 2,
NFP_BPF_CAP_TYPE_MAPS = 3,
NFP_BPF_CAP_TYPE_RANDOM = 4,
};
struct nfp_bpf_cap_tlv_func {
__le32 func_id;
__le32 func_addr;
};
struct nfp_bpf_cap_tlv_adjust_head {
__le32 flags;
__le32 off_min;
__le32 off_max;
__le32 guaranteed_sub;
__le32 guaranteed_add;
};
#define NFP_BPF_ADJUST_HEAD_NO_META BIT(0)
struct nfp_bpf_cap_tlv_maps {
__le32 types;
__le32 max_maps;
__le32 max_elems;
__le32 max_key_sz;
__le32 max_val_sz;
__le32 max_elem_sz;
};
/*
* Types defined for map related control messages
*/
#define CMSG_MAP_ABI_VERSION 1
enum nfp_bpf_cmsg_type {
CMSG_TYPE_MAP_ALLOC = 1,
CMSG_TYPE_MAP_FREE = 2,
CMSG_TYPE_MAP_LOOKUP = 3,
CMSG_TYPE_MAP_UPDATE = 4,
CMSG_TYPE_MAP_DELETE = 5,
CMSG_TYPE_MAP_GETNEXT = 6,
CMSG_TYPE_MAP_GETFIRST = 7,
__CMSG_TYPE_MAP_MAX,
};
#define CMSG_TYPE_MAP_REPLY_BIT 7
#define __CMSG_REPLY(req) (BIT(CMSG_TYPE_MAP_REPLY_BIT) | (req))
#define CMSG_MAP_KEY_LW 16
#define CMSG_MAP_VALUE_LW 16
enum nfp_bpf_cmsg_status {
CMSG_RC_SUCCESS = 0,
CMSG_RC_ERR_MAP_FD = 1,
CMSG_RC_ERR_MAP_NOENT = 2,
CMSG_RC_ERR_MAP_ERR = 3,
CMSG_RC_ERR_MAP_PARSE = 4,
CMSG_RC_ERR_MAP_EXIST = 5,
CMSG_RC_ERR_MAP_NOMEM = 6,
CMSG_RC_ERR_MAP_E2BIG = 7,
};
struct cmsg_hdr {
u8 type;
u8 ver;
__be16 tag;
};
struct cmsg_reply_map_simple {
struct cmsg_hdr hdr;
__be32 rc;
};
struct cmsg_req_map_alloc_tbl {
struct cmsg_hdr hdr;
__be32 key_size; /* in bytes */
__be32 value_size; /* in bytes */
__be32 max_entries;
__be32 map_type;
__be32 map_flags; /* reserved */
};
struct cmsg_reply_map_alloc_tbl {
struct cmsg_reply_map_simple reply_hdr;
__be32 tid;
};
struct cmsg_req_map_free_tbl {
struct cmsg_hdr hdr;
__be32 tid;
};
struct cmsg_reply_map_free_tbl {
struct cmsg_reply_map_simple reply_hdr;
__be32 count;
};
struct cmsg_key_value_pair {
__be32 key[CMSG_MAP_KEY_LW];
__be32 value[CMSG_MAP_VALUE_LW];
};
struct cmsg_req_map_op {
struct cmsg_hdr hdr;
__be32 tid;
__be32 count;
__be32 flags;
struct cmsg_key_value_pair elem[0];
};
struct cmsg_reply_map_op {
struct cmsg_reply_map_simple reply_hdr;
__be32 count;
__be32 resv;
struct cmsg_key_value_pair elem[0];
};
#endif
|
