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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/*
* Copyright (c) 2016 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __MFIB_TYPES_H__
#define __MFIB_TYPES_H__
#include <vnet/fib/fib_types.h>
/**
* Aggregrate type for a prefix
*/
typedef struct mfib_prefix_t_ {
/**
* The mask length
*/
u16 fp_len;
/**
* protocol type
*/
fib_protocol_t fp_proto;
/**
* Pad to keep the address 4 byte aligned
*/
u8 ___fp___pad;
/**
* The address type is not deriveable from the fp_addr member.
* If it's v4, then the first 3 u32s of the address will be 0.
* v6 addresses (even v4 mapped ones) have at least 2 u32s assigned
* to non-zero values. true. but when it's all zero, one cannot decide.
*/
ip46_address_t fp_grp_addr;
ip46_address_t fp_src_addr;
} mfib_prefix_t;
typedef enum mfib_entry_attribute_t_
{
MFIB_ENTRY_ATTRIBUTE_FIRST = 0,
/**
* The control planes needs packets mathing this entry to generate
* a signal.
*/
MFIB_ENTRY_SIGNAL = MFIB_ENTRY_ATTRIBUTE_FIRST,
/**
* Drop all traffic to this route
*/
MFIB_ENTRY_DROP,
/**
* The control plane needs to be informed of coneected sources
*/
MFIB_ENTRY_CONNECTED,
/**
* Accept packets from any incpoming interface
* Use with extreme caution
*/
MFIB_ENTRY_ACCEPT_ALL_ITF,
/**
* Exclusive - like its unicast counterpart. the source has provided
* the forwarding DPO directly. The entry therefore does not resolve
* paths via a path-list
*/
MFIB_ENTRY_EXCLUSIVE,
MFIB_ENTRY_INHERIT_ACCEPT,
MFIB_ENTRY_ATTRIBUTE_LAST = MFIB_ENTRY_INHERIT_ACCEPT,
} mfib_entry_attribute_t;
#define FOR_EACH_MFIB_ATTRIBUTE(_item) \
for (_item = MFIB_ENTRY_ATTRIBUTE_FIRST; \
_item <= MFIB_ENTRY_ATTRIBUTE_LAST; \
_item++)
#define MFIB_ENTRY_NAMES_SHORT { \
[MFIB_ENTRY_SIGNAL] = "S", \
[MFIB_ENTRY_CONNECTED] = "C", \
[MFIB_ENTRY_DROP] = "D", \
[MFIB_ENTRY_ACCEPT_ALL_ITF] = "AA", \
[MFIB_ENTRY_INHERIT_ACCEPT] = "IA", \
[MFIB_ENTRY_EXCLUSIVE] = "E", \
}
#define MFIB_ENTRY_NAMES_LONG { \
[MFIB_ENTRY_SIGNAL] = "Signal", \
[MFIB_ENTRY_CONNECTED] = "Connected", \
[MFIB_ENTRY_DROP] = "Drop", \
[MFIB_ENTRY_ACCEPT_ALL_ITF] = "Accept-all-itf", \
[MFIB_ENTRY_INHERIT_ACCEPT] = "Inherit-Accept", \
[MFIB_ENTRY_EXCLUSIVE] = "Exclusive", \
}
typedef enum mfib_entry_flags_t_
{
MFIB_ENTRY_FLAG_NONE,
MFIB_ENTRY_FLAG_SIGNAL = (1 << MFIB_ENTRY_SIGNAL),
MFIB_ENTRY_FLAG_DROP = (1 << MFIB_ENTRY_DROP),
MFIB_ENTRY_FLAG_CONNECTED = (1 << MFIB_ENTRY_CONNECTED),
MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF = (1 << MFIB_ENTRY_ACCEPT_ALL_ITF),
MFIB_ENTRY_FLAG_EXCLUSIVE = (1 << MFIB_ENTRY_EXCLUSIVE),
MFIB_ENTRY_FLAG_INHERIT_ACCEPT = (1 << MFIB_ENTRY_INHERIT_ACCEPT),
} mfib_entry_flags_t;
typedef enum mfib_itf_attribute_t_
{
MFIB_ITF_ATTRIBUTE_FIRST,
MFIB_ITF_NEGATE_SIGNAL = MFIB_ITF_ATTRIBUTE_FIRST,
MFIB_ITF_ACCEPT,
MFIB_ITF_FORWARD,
MFIB_ITF_SIGNAL_PRESENT,
MFIB_ITF_DONT_PRESERVE,
MFIB_ITF_ATTRIBUTE_LAST = MFIB_ITF_DONT_PRESERVE,
} mfib_itf_attribute_t;
#define FOR_EACH_MFIB_ITF_ATTRIBUTE(_item) \
for (_item = MFIB_ITF_ATTRIBUTE_FIRST; \
_item <= MFIB_ITF_ATTRIBUTE_LAST; \
_item++)
#define MFIB_ITF_NAMES_SHORT { \
[MFIB_ITF_NEGATE_SIGNAL] = "NS", \
[MFIB_ITF_ACCEPT] = "A", \
[MFIB_ITF_FORWARD] = "F", \
[MFIB_ITF_SIGNAL_PRESENT] = "SP", \
[MFIB_ITF_DONT_PRESERVE] = "DP", \
}
#define MFIB_ITF_NAMES_LONG { \
[MFIB_ITF_NEGATE_SIGNAL] = "Negate-Signal", \
[MFIB_ITF_ACCEPT] = "Accept", \
[MFIB_ITF_FORWARD] = "Forward", \
[MFIB_ITF_SIGNAL_PRESENT] = "Signal-Present", \
[MFIB_ITF_DONT_PRESERVE] = "Don't-Preserve", \
}
typedef enum mfib_itf_flags_t_
{
MFIB_ITF_FLAG_NONE,
MFIB_ITF_FLAG_NEGATE_SIGNAL = (1 << MFIB_ITF_NEGATE_SIGNAL),
MFIB_ITF_FLAG_ACCEPT = (1 << MFIB_ITF_ACCEPT),
MFIB_ITF_FLAG_FORWARD = (1 << MFIB_ITF_FORWARD),
MFIB_ITF_FLAG_SIGNAL_PRESENT = (1 << MFIB_ITF_SIGNAL_PRESENT),
MFIB_ITF_FLAG_DONT_PRESERVE = (1 << MFIB_ITF_DONT_PRESERVE),
} mfib_itf_flags_t;
/**
* Possible [control plane] sources of MFIB entries
*/
typedef enum mfib_source_t_
{
MFIB_SOURCE_SPECIAL,
MFIB_SOURCE_API,
MFIB_SOURCE_CLI,
MFIB_SOURCE_VXLAN,
MFIB_SOURCE_DHCP,
MFIB_SOURCE_SRv6,
MFIB_SOURCE_GTPU,
MFIB_SOURCE_VXLAN_GPE,
MFIB_SOURCE_RR,
MFIB_SOURCE_DEFAULT_ROUTE,
} mfib_source_t;
#define MFIB_SOURCE_NAMES { \
[MFIB_SOURCE_SPECIAL] = "Special", \
[MFIB_SOURCE_API] = "API", \
[MFIB_SOURCE_CLI] = "CLI", \
[MFIB_SOURCE_DHCP] = "DHCP", \
[MFIB_SOURCE_VXLAN] = "VXLAN", \
[MFIB_SOURCE_SRv6] = "SRv6", \
[MFIB_SOURCE_GTPU] = "GTPU", \
[MFIB_SOURCE_VXLAN_GPE] = "VXLAN-GPE", \
[MFIB_SOURCE_RR] = "Recursive-resolution", \
[MFIB_SOURCE_DEFAULT_ROUTE] = "Default Route", \
}
#define MFIB_N_SOURCES (MFIB_SOURCE_DEFAULT_ROUTE)
/**
* \brief Compare two prefixes for equality
*/
extern int mfib_prefix_cmp(const mfib_prefix_t *p1,
const mfib_prefix_t *p2);
extern u8 * format_mfib_prefix(u8 * s, va_list * args);
extern u8 *format_mfib_entry_flags(u8 * s, va_list * args);
extern u8 *format_mfib_itf_flags(u8 * s, va_list * args);
extern uword unformat_mfib_itf_flags(unformat_input_t * input,
va_list * args);
extern uword unformat_mfib_entry_flags(unformat_input_t * input,
va_list * args);
#endif
|
