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e496b420 HS |
1 | /* |
2 | * SRv6 definitions | |
3 | * Copyright (C) 2020 Hiroki Shirokura, LINE Corporation | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the Free | |
7 | * Software Foundation; either version 2 of the License, or (at your option) | |
8 | * any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; see the file COPYING; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
7309092b DL |
20 | #include "zebra.h" |
21 | ||
e496b420 HS |
22 | #include "srv6.h" |
23 | #include "log.h" | |
24 | ||
f2867068 HS |
25 | DEFINE_QOBJ_TYPE(srv6_locator); |
26 | DEFINE_MTYPE_STATIC(LIB, SRV6_LOCATOR, "SRV6 locator"); | |
27 | DEFINE_MTYPE_STATIC(LIB, SRV6_LOCATOR_CHUNK, "SRV6 locator chunk"); | |
28 | ||
e496b420 HS |
29 | const char *seg6local_action2str(uint32_t action) |
30 | { | |
31 | switch (action) { | |
32 | case ZEBRA_SEG6_LOCAL_ACTION_END: | |
33 | return "End"; | |
34 | case ZEBRA_SEG6_LOCAL_ACTION_END_X: | |
35 | return "End.X"; | |
36 | case ZEBRA_SEG6_LOCAL_ACTION_END_T: | |
37 | return "End.T"; | |
38 | case ZEBRA_SEG6_LOCAL_ACTION_END_DX2: | |
39 | return "End.DX2"; | |
40 | case ZEBRA_SEG6_LOCAL_ACTION_END_DX6: | |
41 | return "End.DX6"; | |
42 | case ZEBRA_SEG6_LOCAL_ACTION_END_DX4: | |
43 | return "End.DX4"; | |
44 | case ZEBRA_SEG6_LOCAL_ACTION_END_DT6: | |
45 | return "End.DT6"; | |
46 | case ZEBRA_SEG6_LOCAL_ACTION_END_DT4: | |
47 | return "End.DT4"; | |
48 | case ZEBRA_SEG6_LOCAL_ACTION_END_B6: | |
49 | return "End.B6"; | |
50 | case ZEBRA_SEG6_LOCAL_ACTION_END_B6_ENCAP: | |
51 | return "End.B6.Encap"; | |
52 | case ZEBRA_SEG6_LOCAL_ACTION_END_BM: | |
53 | return "End.BM"; | |
54 | case ZEBRA_SEG6_LOCAL_ACTION_END_S: | |
55 | return "End.S"; | |
56 | case ZEBRA_SEG6_LOCAL_ACTION_END_AS: | |
57 | return "End.AS"; | |
58 | case ZEBRA_SEG6_LOCAL_ACTION_END_AM: | |
59 | return "End.AM"; | |
8bea07e4 CS |
60 | case ZEBRA_SEG6_LOCAL_ACTION_END_DT46: |
61 | return "End.DT46"; | |
e496b420 HS |
62 | case ZEBRA_SEG6_LOCAL_ACTION_UNSPEC: |
63 | return "unspec"; | |
64 | default: | |
65 | return "unknown"; | |
66 | } | |
67 | } | |
68 | ||
69 | int snprintf_seg6_segs(char *str, | |
70 | size_t size, const struct seg6_segs *segs) | |
71 | { | |
72 | str[0] = '\0'; | |
73 | for (size_t i = 0; i < segs->num_segs; i++) { | |
74 | char addr[INET6_ADDRSTRLEN]; | |
75 | bool not_last = (i + 1) < segs->num_segs; | |
76 | ||
77 | inet_ntop(AF_INET6, &segs->segs[i], addr, sizeof(addr)); | |
78 | strlcat(str, addr, size); | |
79 | strlcat(str, not_last ? "," : "", size); | |
80 | } | |
81 | return strlen(str); | |
82 | } | |
83 | ||
84 | const char *seg6local_context2str(char *str, size_t size, | |
7a4b49bd HS |
85 | const struct seg6local_context *ctx, |
86 | uint32_t action) | |
e496b420 | 87 | { |
e496b420 HS |
88 | switch (action) { |
89 | ||
90 | case ZEBRA_SEG6_LOCAL_ACTION_END: | |
91 | snprintf(str, size, "USP"); | |
92 | return str; | |
93 | ||
94 | case ZEBRA_SEG6_LOCAL_ACTION_END_X: | |
95 | case ZEBRA_SEG6_LOCAL_ACTION_END_DX6: | |
84410eb0 | 96 | snprintfrr(str, size, "nh6 %pI6", &ctx->nh6); |
e496b420 HS |
97 | return str; |
98 | ||
99 | case ZEBRA_SEG6_LOCAL_ACTION_END_DX4: | |
84410eb0 | 100 | snprintfrr(str, size, "nh4 %pI4", &ctx->nh4); |
e496b420 HS |
101 | return str; |
102 | ||
103 | case ZEBRA_SEG6_LOCAL_ACTION_END_T: | |
104 | case ZEBRA_SEG6_LOCAL_ACTION_END_DT6: | |
105 | case ZEBRA_SEG6_LOCAL_ACTION_END_DT4: | |
8bea07e4 | 106 | case ZEBRA_SEG6_LOCAL_ACTION_END_DT46: |
e496b420 HS |
107 | snprintf(str, size, "table %u", ctx->table); |
108 | return str; | |
109 | ||
110 | case ZEBRA_SEG6_LOCAL_ACTION_END_DX2: | |
111 | case ZEBRA_SEG6_LOCAL_ACTION_END_B6: | |
112 | case ZEBRA_SEG6_LOCAL_ACTION_END_B6_ENCAP: | |
113 | case ZEBRA_SEG6_LOCAL_ACTION_END_BM: | |
114 | case ZEBRA_SEG6_LOCAL_ACTION_END_S: | |
115 | case ZEBRA_SEG6_LOCAL_ACTION_END_AS: | |
116 | case ZEBRA_SEG6_LOCAL_ACTION_END_AM: | |
117 | case ZEBRA_SEG6_LOCAL_ACTION_UNSPEC: | |
118 | default: | |
119 | snprintf(str, size, "unknown(%s)", __func__); | |
120 | return str; | |
121 | } | |
122 | } | |
f2867068 HS |
123 | |
124 | struct srv6_locator *srv6_locator_alloc(const char *name) | |
125 | { | |
126 | struct srv6_locator *locator = NULL; | |
127 | ||
128 | locator = XCALLOC(MTYPE_SRV6_LOCATOR, sizeof(struct srv6_locator)); | |
129 | strlcpy(locator->name, name, sizeof(locator->name)); | |
130 | locator->chunks = list_new(); | |
4b220ad0 MS |
131 | locator->chunks->del = (void (*)(void *))srv6_locator_chunk_free; |
132 | ||
f2867068 HS |
133 | QOBJ_REG(locator, srv6_locator); |
134 | return locator; | |
135 | } | |
136 | ||
137 | struct srv6_locator_chunk *srv6_locator_chunk_alloc(void) | |
138 | { | |
139 | struct srv6_locator_chunk *chunk = NULL; | |
140 | ||
141 | chunk = XCALLOC(MTYPE_SRV6_LOCATOR_CHUNK, | |
142 | sizeof(struct srv6_locator_chunk)); | |
143 | return chunk; | |
144 | } | |
145 | ||
146 | void srv6_locator_free(struct srv6_locator *locator) | |
147 | { | |
4b220ad0 MS |
148 | if (locator) { |
149 | QOBJ_UNREG(locator); | |
150 | list_delete(&locator->chunks); | |
151 | ||
152 | XFREE(MTYPE_SRV6_LOCATOR, locator); | |
153 | } | |
f2867068 HS |
154 | } |
155 | ||
69467313 | 156 | void srv6_locator_chunk_free(struct srv6_locator_chunk **chunk) |
f2867068 | 157 | { |
69467313 | 158 | XFREE(MTYPE_SRV6_LOCATOR_CHUNK, *chunk); |
f2867068 HS |
159 | } |
160 | ||
161 | json_object *srv6_locator_chunk_json(const struct srv6_locator_chunk *chunk) | |
162 | { | |
f2867068 HS |
163 | json_object *jo_root = NULL; |
164 | ||
165 | jo_root = json_object_new_object(); | |
a6c86424 | 166 | json_object_string_addf(jo_root, "prefix", "%pFX", &chunk->prefix); |
f2867068 HS |
167 | json_object_string_add(jo_root, "proto", |
168 | zebra_route_string(chunk->proto)); | |
169 | ||
170 | return jo_root; | |
171 | } | |
172 | ||
559f4b2f YS |
173 | json_object * |
174 | srv6_locator_chunk_detailed_json(const struct srv6_locator_chunk *chunk) | |
175 | { | |
176 | json_object *jo_root = NULL; | |
177 | ||
178 | jo_root = json_object_new_object(); | |
179 | ||
180 | /* set prefix */ | |
181 | json_object_string_addf(jo_root, "prefix", "%pFX", &chunk->prefix); | |
182 | ||
183 | /* set block_bits_length */ | |
184 | json_object_int_add(jo_root, "blockBitsLength", | |
185 | chunk->block_bits_length); | |
186 | ||
187 | /* set node_bits_length */ | |
188 | json_object_int_add(jo_root, "nodeBitsLength", chunk->node_bits_length); | |
189 | ||
190 | /* set function_bits_length */ | |
191 | json_object_int_add(jo_root, "functionBitsLength", | |
192 | chunk->function_bits_length); | |
193 | ||
194 | /* set argument_bits_length */ | |
195 | json_object_int_add(jo_root, "argumentBitsLength", | |
196 | chunk->argument_bits_length); | |
197 | ||
198 | /* set keep */ | |
199 | json_object_int_add(jo_root, "keep", chunk->keep); | |
200 | ||
201 | /* set proto */ | |
202 | json_object_string_add(jo_root, "proto", | |
203 | zebra_route_string(chunk->proto)); | |
204 | ||
205 | /* set instance */ | |
206 | json_object_int_add(jo_root, "instance", chunk->instance); | |
207 | ||
208 | /* set session_id */ | |
209 | json_object_int_add(jo_root, "sessionId", chunk->session_id); | |
210 | ||
211 | return jo_root; | |
212 | } | |
213 | ||
f2867068 HS |
214 | json_object *srv6_locator_json(const struct srv6_locator *loc) |
215 | { | |
f2867068 HS |
216 | struct listnode *node; |
217 | struct srv6_locator_chunk *chunk; | |
218 | json_object *jo_root = NULL; | |
219 | json_object *jo_chunk = NULL; | |
220 | json_object *jo_chunks = NULL; | |
221 | ||
222 | jo_root = json_object_new_object(); | |
223 | ||
224 | /* set name */ | |
225 | json_object_string_add(jo_root, "name", loc->name); | |
226 | ||
227 | /* set prefix */ | |
a6c86424 | 228 | json_object_string_addf(jo_root, "prefix", "%pFX", &loc->prefix); |
f2867068 | 229 | |
696f4370 CS |
230 | /* set block_bits_length */ |
231 | json_object_int_add(jo_root, "blockBitsLength", loc->block_bits_length); | |
232 | ||
233 | /* set node_bits_length */ | |
234 | json_object_int_add(jo_root, "nodeBitsLength", loc->node_bits_length); | |
235 | ||
f2867068 | 236 | /* set function_bits_length */ |
326591dc | 237 | json_object_int_add(jo_root, "functionBitsLength", |
f2867068 HS |
238 | loc->function_bits_length); |
239 | ||
696f4370 CS |
240 | /* set argument_bits_length */ |
241 | json_object_int_add(jo_root, "argumentBitsLength", | |
242 | loc->argument_bits_length); | |
243 | ||
a3ff3dff CS |
244 | /* set true if the locator is a Micro-segment (uSID) locator */ |
245 | if (CHECK_FLAG(loc->flags, SRV6_LOCATOR_USID)) | |
246 | json_object_string_add(jo_root, "behavior", "usid"); | |
247 | ||
f2867068 | 248 | /* set status_up */ |
326591dc | 249 | json_object_boolean_add(jo_root, "statusUp", |
f2867068 HS |
250 | loc->status_up); |
251 | ||
252 | /* set chunks */ | |
253 | jo_chunks = json_object_new_array(); | |
254 | json_object_object_add(jo_root, "chunks", jo_chunks); | |
255 | for (ALL_LIST_ELEMENTS_RO((struct list *)loc->chunks, node, chunk)) { | |
256 | jo_chunk = srv6_locator_chunk_json(chunk); | |
257 | json_object_array_add(jo_chunks, jo_chunk); | |
258 | } | |
259 | ||
260 | return jo_root; | |
261 | } | |
559f4b2f YS |
262 | |
263 | json_object *srv6_locator_detailed_json(const struct srv6_locator *loc) | |
264 | { | |
265 | struct listnode *node; | |
266 | struct srv6_locator_chunk *chunk; | |
267 | json_object *jo_root = NULL; | |
268 | json_object *jo_chunk = NULL; | |
269 | json_object *jo_chunks = NULL; | |
270 | ||
271 | jo_root = json_object_new_object(); | |
272 | ||
273 | /* set name */ | |
274 | json_object_string_add(jo_root, "name", loc->name); | |
275 | ||
276 | /* set prefix */ | |
277 | json_object_string_addf(jo_root, "prefix", "%pFX", &loc->prefix); | |
278 | ||
279 | /* set block_bits_length */ | |
280 | json_object_int_add(jo_root, "blockBitsLength", loc->block_bits_length); | |
281 | ||
282 | /* set node_bits_length */ | |
283 | json_object_int_add(jo_root, "nodeBitsLength", loc->node_bits_length); | |
284 | ||
285 | /* set function_bits_length */ | |
286 | json_object_int_add(jo_root, "functionBitsLength", | |
287 | loc->function_bits_length); | |
288 | ||
289 | /* set argument_bits_length */ | |
290 | json_object_int_add(jo_root, "argumentBitsLength", | |
291 | loc->argument_bits_length); | |
292 | ||
a3ff3dff CS |
293 | /* set true if the locator is a Micro-segment (uSID) locator */ |
294 | if (CHECK_FLAG(loc->flags, SRV6_LOCATOR_USID)) | |
295 | json_object_string_add(jo_root, "behavior", "usid"); | |
296 | ||
559f4b2f YS |
297 | /* set algonum */ |
298 | json_object_int_add(jo_root, "algoNum", loc->algonum); | |
299 | ||
300 | /* set status_up */ | |
301 | json_object_boolean_add(jo_root, "statusUp", loc->status_up); | |
302 | ||
303 | /* set chunks */ | |
304 | jo_chunks = json_object_new_array(); | |
305 | json_object_object_add(jo_root, "chunks", jo_chunks); | |
306 | for (ALL_LIST_ELEMENTS_RO((struct list *)loc->chunks, node, chunk)) { | |
307 | jo_chunk = srv6_locator_chunk_detailed_json(chunk); | |
308 | json_object_array_add(jo_chunks, jo_chunk); | |
309 | } | |
310 | ||
311 | return jo_root; | |
312 | } |