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Commit | Line | Data |
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0ef4bcdc OD |
1 | /* |
2 | * This is an implementation of RFC4970 Router Information | |
3 | * with support of RFC5088 PCE Capabilites announcement | |
4 | * | |
5 | * Module name: Router Information | |
cf9b9f77 OD |
6 | * Author: Olivier Dugeon <olivier.dugeon@orange.com> |
7 | * Copyright (C) 2012 - 2017 Orange Labs http://www.orange.com/ | |
0ef4bcdc OD |
8 | * |
9 | * This file is part of GNU Quagga. | |
10 | * | |
11 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the | |
13 | * Free Software Foundation; either version 2, or (at your option) any | |
14 | * later version. | |
15 | * | |
16 | * GNU Quagga is distributed in the hope that it will be useful, but | |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * General Public License for more details. | |
20 | * | |
896014f4 DL |
21 | * You should have received a copy of the GNU General Public License along |
22 | * with this program; see the file COPYING; if not, write to the Free Software | |
23 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
0ef4bcdc OD |
24 | */ |
25 | ||
26 | #include <zebra.h> | |
27 | #include <math.h> | |
28 | ||
29 | #include "linklist.h" | |
30 | #include "prefix.h" | |
31 | #include "if.h" | |
32 | #include "table.h" | |
33 | #include "memory.h" | |
34 | #include "command.h" | |
35 | #include "vty.h" | |
36 | #include "stream.h" | |
37 | #include "log.h" | |
38 | #include "thread.h" | |
39 | #include "hash.h" | |
d62a17ae | 40 | #include "sockunion.h" /* for inet_aton() */ |
cf9b9f77 | 41 | #include "mpls.h" |
0ef4bcdc OD |
42 | |
43 | #include "ospfd/ospfd.h" | |
44 | #include "ospfd/ospf_interface.h" | |
45 | #include "ospfd/ospf_ism.h" | |
46 | #include "ospfd/ospf_asbr.h" | |
47 | #include "ospfd/ospf_lsa.h" | |
48 | #include "ospfd/ospf_lsdb.h" | |
49 | #include "ospfd/ospf_neighbor.h" | |
50 | #include "ospfd/ospf_nsm.h" | |
51 | #include "ospfd/ospf_flood.h" | |
52 | #include "ospfd/ospf_packet.h" | |
53 | #include "ospfd/ospf_spf.h" | |
54 | #include "ospfd/ospf_dump.h" | |
55 | #include "ospfd/ospf_route.h" | |
56 | #include "ospfd/ospf_ase.h" | |
57 | #include "ospfd/ospf_zebra.h" | |
cf9b9f77 | 58 | #include "ospfd/ospf_sr.h" |
0ef4bcdc | 59 | #include "ospfd/ospf_ri.h" |
0ef4bcdc | 60 | |
ead99d5f | 61 | /* Store Router Information PCE TLV and SubTLV in network byte order. */ |
d62a17ae | 62 | struct ospf_pce_info { |
32ab5cf4 | 63 | bool enabled; |
d62a17ae | 64 | struct ri_tlv_pce pce_header; |
65 | struct ri_pce_subtlv_address pce_address; | |
66 | struct ri_pce_subtlv_path_scope pce_scope; | |
67 | struct list *pce_domain; | |
68 | struct list *pce_neighbor; | |
69 | struct ri_pce_subtlv_cap_flag pce_cap_flag; | |
0ef4bcdc OD |
70 | }; |
71 | ||
7743f2f8 OD |
72 | /* |
73 | * Store Router Information Segment Routing TLV and SubTLV | |
74 | * in network byte order | |
75 | */ | |
cf9b9f77 OD |
76 | struct ospf_ri_sr_info { |
77 | bool enabled; | |
78 | /* Algorithms supported by the node */ | |
79 | struct ri_sr_tlv_sr_algorithm algo; | |
80 | /* | |
81 | * Segment Routing Global Block i.e. label range | |
82 | * Only one range supported in this code | |
83 | */ | |
84 | struct ri_sr_tlv_sid_label_range range; | |
85 | /* Maximum SID Depth supported by the node */ | |
86 | struct ri_sr_tlv_node_msd msd; | |
87 | }; | |
88 | ||
0ef4bcdc | 89 | /* Following structure are internal use only. */ |
d62a17ae | 90 | struct ospf_router_info { |
32ab5cf4 | 91 | bool enabled; |
0ef4bcdc | 92 | |
d7c0a89a QY |
93 | uint8_t registered; |
94 | uint8_t scope; | |
0ef4bcdc | 95 | |
d62a17ae | 96 | /* Flags to manage this router information. */ |
cf9b9f77 | 97 | #define RIFLG_LSA_ENGAGED 0x1 |
ead99d5f | 98 | #define RIFLG_LSA_FORCED_REFRESH 0x2 |
d7c0a89a | 99 | uint32_t flags; |
0ef4bcdc | 100 | |
d62a17ae | 101 | /* area pointer if flooding is Type 10 Null if flooding is AS scope */ |
102 | struct ospf_area *area; | |
103 | struct in_addr area_id; | |
0ef4bcdc | 104 | |
d62a17ae | 105 | /* Store Router Information Capabilities LSA */ |
106 | struct ri_tlv_router_cap router_cap; | |
0ef4bcdc | 107 | |
d62a17ae | 108 | /* Store PCE capability LSA */ |
109 | struct ospf_pce_info pce_info; | |
cf9b9f77 OD |
110 | |
111 | /* Store SR capability LSA */ | |
112 | struct ospf_ri_sr_info sr_info; | |
0ef4bcdc OD |
113 | }; |
114 | ||
115 | /* | |
116 | * Global variable to manage Opaque-LSA/Router Information on this node. | |
117 | * Note that all parameter values are stored in network byte order. | |
118 | */ | |
119 | static struct ospf_router_info OspfRI; | |
120 | ||
121 | /*------------------------------------------------------------------------------* | |
d62a17ae | 122 | * Followings are initialize/terminate functions for Router Information |
123 | *handling. | |
0ef4bcdc OD |
124 | *------------------------------------------------------------------------------*/ |
125 | ||
d62a17ae | 126 | static void ospf_router_info_ism_change(struct ospf_interface *oi, |
127 | int old_status); | |
128 | static void ospf_router_info_nsm_change(struct ospf_neighbor *nbr, | |
129 | int old_status); | |
130 | static void ospf_router_info_config_write_router(struct vty *vty); | |
131 | static void ospf_router_info_show_info(struct vty *vty, struct ospf_lsa *lsa); | |
132 | static int ospf_router_info_lsa_originate(void *arg); | |
133 | static struct ospf_lsa *ospf_router_info_lsa_refresh(struct ospf_lsa *lsa); | |
2a39170c | 134 | static void ospf_router_info_lsa_schedule(enum lsa_opcode opcode); |
d62a17ae | 135 | static void ospf_router_info_register_vty(void); |
cf9b9f77 | 136 | static int ospf_router_info_lsa_update(struct ospf_lsa *lsa); |
d62a17ae | 137 | static void del_pce_info(void *val); |
138 | ||
139 | int ospf_router_info_init(void) | |
0ef4bcdc OD |
140 | { |
141 | ||
cf9b9f77 OD |
142 | zlog_info("RI -> Initialize Router Information"); |
143 | ||
d62a17ae | 144 | memset(&OspfRI, 0, sizeof(struct ospf_router_info)); |
32ab5cf4 | 145 | OspfRI.enabled = false; |
d62a17ae | 146 | OspfRI.registered = 0; |
147 | OspfRI.scope = OSPF_OPAQUE_AS_LSA; | |
cf9b9f77 | 148 | OspfRI.area_id.s_addr = 0; |
d62a17ae | 149 | OspfRI.flags = 0; |
0ef4bcdc | 150 | |
d62a17ae | 151 | /* Initialize pce domain and neighbor list */ |
32ab5cf4 | 152 | OspfRI.pce_info.enabled = false; |
d62a17ae | 153 | OspfRI.pce_info.pce_domain = list_new(); |
154 | OspfRI.pce_info.pce_domain->del = del_pce_info; | |
155 | OspfRI.pce_info.pce_neighbor = list_new(); | |
156 | OspfRI.pce_info.pce_neighbor->del = del_pce_info; | |
0ef4bcdc | 157 | |
cf9b9f77 OD |
158 | /* Initialize Segment Routing information structure */ |
159 | OspfRI.sr_info.enabled = false; | |
160 | ||
d62a17ae | 161 | ospf_router_info_register_vty(); |
0ef4bcdc | 162 | |
d62a17ae | 163 | return 0; |
0ef4bcdc OD |
164 | } |
165 | ||
d7c0a89a | 166 | static int ospf_router_info_register(uint8_t scope) |
0ef4bcdc | 167 | { |
d62a17ae | 168 | int rc = 0; |
169 | ||
170 | if (OspfRI.registered) | |
ead99d5f | 171 | return rc; |
d62a17ae | 172 | |
cf9b9f77 | 173 | zlog_info("RI -> Register Router Information with scope %s(%d)", |
d62a17ae | 174 | scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS", scope); |
175 | rc = ospf_register_opaque_functab( | |
176 | scope, OPAQUE_TYPE_ROUTER_INFORMATION_LSA, | |
177 | NULL, /* new interface */ | |
178 | NULL, /* del interface */ | |
996c9314 | 179 | ospf_router_info_ism_change, ospf_router_info_nsm_change, |
d62a17ae | 180 | ospf_router_info_config_write_router, |
181 | NULL, /* Config. write interface */ | |
182 | NULL, /* Config. write debug */ | |
996c9314 LB |
183 | ospf_router_info_show_info, ospf_router_info_lsa_originate, |
184 | ospf_router_info_lsa_refresh, ospf_router_info_lsa_update, | |
cf9b9f77 | 185 | NULL); /* del_lsa_hook */ |
d62a17ae | 186 | |
187 | if (rc != 0) { | |
188 | zlog_warn( | |
189 | "ospf_router_info_init: Failed to register functions"); | |
190 | return rc; | |
191 | } | |
192 | ||
193 | OspfRI.registered = 1; | |
194 | OspfRI.scope = scope; | |
ead99d5f | 195 | return rc; |
0ef4bcdc OD |
196 | } |
197 | ||
bcf4475e OD |
198 | static int ospf_router_info_unregister() |
199 | { | |
200 | ||
201 | if ((OspfRI.scope != OSPF_OPAQUE_AS_LSA) | |
202 | && (OspfRI.scope != OSPF_OPAQUE_AREA_LSA)) { | |
203 | zlog_warn( | |
204 | "Unable to unregister Router Info functions: Wrong scope!"); | |
205 | return -1; | |
206 | } | |
207 | ||
208 | ospf_delete_opaque_functab(OspfRI.scope, | |
209 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
210 | ||
211 | OspfRI.registered = 0; | |
212 | return 0; | |
213 | } | |
214 | ||
d62a17ae | 215 | void ospf_router_info_term(void) |
0ef4bcdc OD |
216 | { |
217 | ||
affe9e99 DS |
218 | list_delete_and_null(&OspfRI.pce_info.pce_domain); |
219 | list_delete_and_null(&OspfRI.pce_info.pce_neighbor); | |
0ef4bcdc | 220 | |
32ab5cf4 | 221 | OspfRI.enabled = false; |
0ef4bcdc | 222 | |
bcf4475e OD |
223 | ospf_router_info_unregister(); |
224 | ||
d62a17ae | 225 | return; |
0ef4bcdc OD |
226 | } |
227 | ||
bcf4475e OD |
228 | void ospf_router_info_finish(void) |
229 | { | |
230 | list_delete_all_node(OspfRI.pce_info.pce_domain); | |
231 | list_delete_all_node(OspfRI.pce_info.pce_neighbor); | |
232 | ||
233 | OspfRI.enabled = false; | |
234 | } | |
235 | ||
d62a17ae | 236 | static void del_pce_info(void *val) |
0ef4bcdc | 237 | { |
d62a17ae | 238 | XFREE(MTYPE_OSPF_PCE_PARAMS, val); |
239 | return; | |
0ef4bcdc OD |
240 | } |
241 | ||
cf9b9f77 OD |
242 | /* Catch RI LSA flooding Scope for ospf_ext.[h,c] code */ |
243 | struct scope_info ospf_router_info_get_flooding_scope(void) | |
244 | { | |
245 | struct scope_info flooding_scope; | |
7743f2f8 | 246 | |
cf9b9f77 OD |
247 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) { |
248 | flooding_scope.scope = OSPF_OPAQUE_AS_LSA; | |
249 | flooding_scope.area_id.s_addr = 0; | |
250 | return flooding_scope; | |
251 | } | |
252 | flooding_scope.scope = OSPF_OPAQUE_AREA_LSA; | |
253 | flooding_scope.area_id.s_addr = OspfRI.area_id.s_addr; | |
254 | return flooding_scope; | |
255 | } | |
256 | ||
0ef4bcdc | 257 | /*------------------------------------------------------------------------* |
d62a17ae | 258 | * Followings are control functions for ROUTER INFORMATION parameters |
259 | *management. | |
0ef4bcdc OD |
260 | *------------------------------------------------------------------------*/ |
261 | ||
d62a17ae | 262 | static void set_router_info_capabilities(struct ri_tlv_router_cap *ric, |
d7c0a89a | 263 | uint32_t cap) |
0ef4bcdc | 264 | { |
d62a17ae | 265 | ric->header.type = htons(RI_TLV_CAPABILITIES); |
266 | ric->header.length = htons(RI_TLV_LENGTH); | |
267 | ric->value = htonl(cap); | |
268 | return; | |
0ef4bcdc OD |
269 | } |
270 | ||
d62a17ae | 271 | static int set_pce_header(struct ospf_pce_info *pce) |
0ef4bcdc | 272 | { |
d7c0a89a | 273 | uint16_t length = 0; |
d62a17ae | 274 | struct listnode *node; |
275 | struct ri_pce_subtlv_domain *domain; | |
276 | struct ri_pce_subtlv_neighbor *neighbor; | |
277 | ||
278 | /* PCE Address */ | |
279 | if (ntohs(pce->pce_address.header.type) != 0) | |
ead99d5f | 280 | length += TLV_SIZE(&pce->pce_address.header); |
d62a17ae | 281 | |
282 | /* PCE Path Scope */ | |
283 | if (ntohs(pce->pce_scope.header.type) != 0) | |
ead99d5f | 284 | length += TLV_SIZE(&pce->pce_scope.header); |
d62a17ae | 285 | |
286 | /* PCE Domain */ | |
287 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
288 | if (ntohs(domain->header.type) != 0) | |
ead99d5f | 289 | length += TLV_SIZE(&domain->header); |
d62a17ae | 290 | } |
291 | ||
292 | /* PCE Neighbor */ | |
293 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { | |
294 | if (ntohs(neighbor->header.type) != 0) | |
ead99d5f | 295 | length += TLV_SIZE(&neighbor->header); |
d62a17ae | 296 | } |
297 | ||
298 | /* PCE Capabilities */ | |
299 | if (ntohs(pce->pce_cap_flag.header.type) != 0) | |
ead99d5f | 300 | length += TLV_SIZE(&pce->pce_cap_flag.header); |
d62a17ae | 301 | |
302 | if (length != 0) { | |
303 | pce->pce_header.header.type = htons(RI_TLV_PCE); | |
304 | pce->pce_header.header.length = htons(length); | |
32ab5cf4 | 305 | pce->enabled = true; |
d62a17ae | 306 | } else { |
307 | pce->pce_header.header.type = 0; | |
308 | pce->pce_header.header.length = 0; | |
32ab5cf4 | 309 | pce->enabled = false; |
d62a17ae | 310 | } |
311 | ||
312 | return length; | |
0ef4bcdc OD |
313 | } |
314 | ||
d62a17ae | 315 | static void set_pce_address(struct in_addr ipv4, struct ospf_pce_info *pce) |
0ef4bcdc OD |
316 | { |
317 | ||
d62a17ae | 318 | /* Enable PCE Info */ |
319 | pce->pce_header.header.type = htons(RI_TLV_PCE); | |
320 | /* Set PCE Address */ | |
321 | pce->pce_address.header.type = htons(RI_PCE_SUBTLV_ADDRESS); | |
322 | pce->pce_address.header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
323 | pce->pce_address.address.type = htons(PCE_ADDRESS_TYPE_IPV4); | |
324 | pce->pce_address.address.value = ipv4; | |
0ef4bcdc | 325 | |
d62a17ae | 326 | return; |
0ef4bcdc OD |
327 | } |
328 | ||
d7c0a89a | 329 | static void set_pce_path_scope(uint32_t scope, struct ospf_pce_info *pce) |
0ef4bcdc OD |
330 | { |
331 | ||
d62a17ae | 332 | /* Set PCE Scope */ |
333 | pce->pce_scope.header.type = htons(RI_PCE_SUBTLV_PATH_SCOPE); | |
334 | pce->pce_scope.header.length = htons(RI_TLV_LENGTH); | |
335 | pce->pce_scope.value = htonl(scope); | |
0ef4bcdc | 336 | |
d62a17ae | 337 | return; |
0ef4bcdc OD |
338 | } |
339 | ||
d7c0a89a | 340 | static void set_pce_domain(uint16_t type, uint32_t domain, |
d62a17ae | 341 | struct ospf_pce_info *pce) |
0ef4bcdc OD |
342 | { |
343 | ||
d62a17ae | 344 | struct ri_pce_subtlv_domain *new; |
0ef4bcdc | 345 | |
d62a17ae | 346 | /* Create new domain info */ |
347 | new = XCALLOC(MTYPE_OSPF_PCE_PARAMS, | |
348 | sizeof(struct ri_pce_subtlv_domain)); | |
0ef4bcdc | 349 | |
d62a17ae | 350 | new->header.type = htons(RI_PCE_SUBTLV_DOMAIN); |
351 | new->header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
352 | new->type = htons(type); | |
353 | new->value = htonl(domain); | |
0ef4bcdc | 354 | |
d62a17ae | 355 | /* Add new domain to the list */ |
356 | listnode_add(pce->pce_domain, new); | |
0ef4bcdc | 357 | |
d62a17ae | 358 | return; |
0ef4bcdc OD |
359 | } |
360 | ||
d7c0a89a | 361 | static void unset_pce_domain(uint16_t type, uint32_t domain, |
d62a17ae | 362 | struct ospf_pce_info *pce) |
0ef4bcdc | 363 | { |
d62a17ae | 364 | struct listnode *node; |
365 | struct ri_pce_subtlv_domain *old = NULL; | |
366 | int found = 0; | |
367 | ||
368 | /* Search the corresponding node */ | |
369 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, old)) { | |
370 | if ((old->type == htons(type)) | |
371 | && (old->value == htonl(domain))) { | |
372 | found = 1; | |
373 | break; | |
374 | } | |
375 | } | |
376 | ||
377 | /* if found remove it */ | |
378 | if (found) { | |
379 | listnode_delete(pce->pce_domain, old); | |
380 | ||
381 | /* Avoid misjudgement in the next lookup. */ | |
382 | if (listcount(pce->pce_domain) == 0) | |
383 | pce->pce_domain->head = pce->pce_domain->tail = NULL; | |
384 | ||
385 | /* Finally free the old domain */ | |
386 | XFREE(MTYPE_OSPF_PCE_PARAMS, old); | |
387 | } | |
0ef4bcdc OD |
388 | } |
389 | ||
d7c0a89a | 390 | static void set_pce_neighbor(uint16_t type, uint32_t domain, |
d62a17ae | 391 | struct ospf_pce_info *pce) |
0ef4bcdc OD |
392 | { |
393 | ||
d62a17ae | 394 | struct ri_pce_subtlv_neighbor *new; |
0ef4bcdc | 395 | |
d62a17ae | 396 | /* Create new neighbor info */ |
397 | new = XCALLOC(MTYPE_OSPF_PCE_PARAMS, | |
398 | sizeof(struct ri_pce_subtlv_neighbor)); | |
0ef4bcdc | 399 | |
d62a17ae | 400 | new->header.type = htons(RI_PCE_SUBTLV_NEIGHBOR); |
401 | new->header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
402 | new->type = htons(type); | |
403 | new->value = htonl(domain); | |
0ef4bcdc | 404 | |
d62a17ae | 405 | /* Add new domain to the list */ |
406 | listnode_add(pce->pce_neighbor, new); | |
0ef4bcdc | 407 | |
d62a17ae | 408 | return; |
0ef4bcdc OD |
409 | } |
410 | ||
d7c0a89a | 411 | static void unset_pce_neighbor(uint16_t type, uint32_t domain, |
d62a17ae | 412 | struct ospf_pce_info *pce) |
0ef4bcdc | 413 | { |
d62a17ae | 414 | struct listnode *node; |
415 | struct ri_pce_subtlv_neighbor *old = NULL; | |
416 | int found = 0; | |
417 | ||
418 | /* Search the corresponding node */ | |
419 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, old)) { | |
420 | if ((old->type == htons(type)) | |
421 | && (old->value == htonl(domain))) { | |
422 | found = 1; | |
423 | break; | |
424 | } | |
425 | } | |
426 | ||
427 | /* if found remove it */ | |
428 | if (found) { | |
429 | listnode_delete(pce->pce_neighbor, old); | |
430 | ||
431 | /* Avoid misjudgement in the next lookup. */ | |
432 | if (listcount(pce->pce_neighbor) == 0) | |
433 | pce->pce_neighbor->head = pce->pce_neighbor->tail = | |
434 | NULL; | |
435 | ||
436 | /* Finally free the old domain */ | |
437 | XFREE(MTYPE_OSPF_PCE_PARAMS, old); | |
438 | } | |
0ef4bcdc OD |
439 | } |
440 | ||
d7c0a89a | 441 | static void set_pce_cap_flag(uint32_t cap, struct ospf_pce_info *pce) |
0ef4bcdc OD |
442 | { |
443 | ||
d62a17ae | 444 | /* Set PCE Capabilities flag */ |
445 | pce->pce_cap_flag.header.type = htons(RI_PCE_SUBTLV_CAP_FLAG); | |
446 | pce->pce_cap_flag.header.length = htons(RI_TLV_LENGTH); | |
447 | pce->pce_cap_flag.value = htonl(cap); | |
0ef4bcdc | 448 | |
d62a17ae | 449 | return; |
0ef4bcdc OD |
450 | } |
451 | ||
cf9b9f77 OD |
452 | /* Segment Routing TLV setter */ |
453 | ||
454 | /* Algorithm SubTLV - section 3.1 */ | |
93f0a26e | 455 | static void set_sr_algorithm(uint8_t algo) |
cf9b9f77 OD |
456 | { |
457 | ||
458 | OspfRI.sr_info.algo.value[0] = algo; | |
459 | for (int i = 1; i < ALGORITHM_COUNT; i++) | |
460 | OspfRI.sr_info.algo.value[i] = SR_ALGORITHM_UNSET; | |
461 | ||
462 | /* Set TLV type and length == only 1 Algorithm */ | |
463 | TLV_TYPE(OspfRI.sr_info.algo) = htons(RI_SR_TLV_SR_ALGORITHM); | |
93f0a26e | 464 | TLV_LEN(OspfRI.sr_info.algo) = htons(sizeof(uint8_t)); |
cf9b9f77 OD |
465 | } |
466 | ||
467 | /* unset Aglogithm SubTLV */ | |
93f0a26e | 468 | static void unset_sr_algorithm(uint8_t algo) |
cf9b9f77 OD |
469 | { |
470 | ||
471 | for (int i = 0; i < ALGORITHM_COUNT; i++) | |
472 | OspfRI.sr_info.algo.value[i] = SR_ALGORITHM_UNSET; | |
473 | ||
474 | /* Unset TLV type and length */ | |
475 | TLV_TYPE(OspfRI.sr_info.algo) = htons(0); | |
476 | TLV_LEN(OspfRI.sr_info.algo) = htons(0); | |
cf9b9f77 OD |
477 | } |
478 | ||
479 | /* Segment Routing Global Block SubTLV - section 3.2 */ | |
480 | static void set_sr_sid_label_range(struct sr_srgb srgb) | |
481 | { | |
482 | /* Set Header */ | |
483 | TLV_TYPE(OspfRI.sr_info.range) = htons(RI_SR_TLV_SID_LABEL_RANGE); | |
484 | TLV_LEN(OspfRI.sr_info.range) = | |
93f0a26e | 485 | htons(SUBTLV_SID_LABEL_SIZE + sizeof(uint32_t)); |
cf9b9f77 OD |
486 | /* Set Range Size */ |
487 | OspfRI.sr_info.range.size = htonl(SET_RANGE_SIZE(srgb.range_size)); | |
488 | /* Set Lower bound label SubTLV */ | |
489 | TLV_TYPE(OspfRI.sr_info.range.lower) = htons(SUBTLV_SID_LABEL); | |
490 | TLV_LEN(OspfRI.sr_info.range.lower) = htons(SID_RANGE_LABEL_LENGTH); | |
491 | OspfRI.sr_info.range.lower.value = htonl(SET_LABEL(srgb.lower_bound)); | |
cf9b9f77 OD |
492 | } |
493 | ||
494 | /* Unset this SRGB SubTLV */ | |
7743f2f8 | 495 | static void unset_sr_sid_label_range(void) |
cf9b9f77 OD |
496 | { |
497 | ||
498 | TLV_TYPE(OspfRI.sr_info.range) = htons(0); | |
499 | TLV_LEN(OspfRI.sr_info.range) = htons(0); | |
500 | TLV_TYPE(OspfRI.sr_info.range.lower) = htons(0); | |
501 | TLV_LEN(OspfRI.sr_info.range.lower) = htons(0); | |
cf9b9f77 OD |
502 | } |
503 | ||
504 | /* Set Maximum Stack Depth for this router */ | |
93f0a26e | 505 | static void set_sr_node_msd(uint8_t msd) |
cf9b9f77 OD |
506 | { |
507 | TLV_TYPE(OspfRI.sr_info.msd) = htons(RI_SR_TLV_NODE_MSD); | |
93f0a26e | 508 | TLV_LEN(OspfRI.sr_info.msd) = htons(sizeof(uint32_t)); |
cf9b9f77 | 509 | OspfRI.sr_info.msd.value = msd; |
cf9b9f77 OD |
510 | } |
511 | ||
512 | /* Unset this router MSD */ | |
7743f2f8 | 513 | static void unset_sr_node_msd(void) |
cf9b9f77 OD |
514 | { |
515 | TLV_TYPE(OspfRI.sr_info.msd) = htons(0); | |
516 | TLV_LEN(OspfRI.sr_info.msd) = htons(0); | |
cf9b9f77 | 517 | } |
0ef4bcdc | 518 | |
9ffaacb0 | 519 | static void unset_param(void *tlv_buffer) |
0ef4bcdc | 520 | { |
9ffaacb0 | 521 | struct tlv_header *tlv = (struct tlv_header *)tlv_buffer; |
0ef4bcdc | 522 | |
d62a17ae | 523 | tlv->type = 0; |
524 | /* Fill the Value to 0 */ | |
9ffaacb0 | 525 | memset(TLV_DATA(tlv_buffer), 0, TLV_BODY_SIZE(tlv)); |
d62a17ae | 526 | tlv->length = 0; |
0ef4bcdc | 527 | |
d62a17ae | 528 | return; |
0ef4bcdc OD |
529 | } |
530 | ||
d62a17ae | 531 | static void initialize_params(struct ospf_router_info *ori) |
0ef4bcdc | 532 | { |
d7c0a89a | 533 | uint32_t cap = 0; |
d62a17ae | 534 | struct ospf *top; |
535 | ||
536 | /* | |
537 | * Initialize default Router Information Capabilities. | |
538 | */ | |
ead99d5f | 539 | cap = RI_TE_SUPPORT; |
d62a17ae | 540 | |
541 | set_router_info_capabilities(&ori->router_cap, cap); | |
542 | ||
543 | /* If Area address is not null and exist, retrieve corresponding | |
544 | * structure */ | |
b5a8894d | 545 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 546 | zlog_info("RI-> Initialize Router Info for %s scope within area %s", |
547 | OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS", | |
548 | inet_ntoa(OspfRI.area_id)); | |
549 | ||
550 | /* Try to get the Area context at this step. Do it latter if not | |
551 | * available */ | |
552 | if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) | |
553 | OspfRI.area = ospf_area_lookup_by_area_id(top, OspfRI.area_id); | |
554 | ||
555 | /* | |
556 | * Initialize default PCE Information values | |
557 | */ | |
558 | /* PCE address == OSPF Router ID */ | |
559 | set_pce_address(top->router_id, &ori->pce_info); | |
560 | ||
561 | /* PCE scope */ | |
562 | cap = 7; /* Set L, R and Rd bits to one = intra & inter-area path | |
563 | computation */ | |
564 | set_pce_path_scope(cap, &ori->pce_info); | |
565 | ||
566 | /* PCE Capabilities */ | |
567 | cap = PCE_CAP_BIDIRECTIONAL | PCE_CAP_DIVERSE_PATH | PCE_CAP_OBJECTIVES | |
568 | | PCE_CAP_ADDITIVE | PCE_CAP_MULTIPLE_REQ; | |
569 | set_pce_cap_flag(cap, &ori->pce_info); | |
570 | ||
d62a17ae | 571 | return; |
0ef4bcdc OD |
572 | } |
573 | ||
d62a17ae | 574 | static int is_mandated_params_set(struct ospf_router_info ori) |
0ef4bcdc | 575 | { |
d62a17ae | 576 | int rc = 0; |
0ef4bcdc | 577 | |
d62a17ae | 578 | if (ntohs(ori.router_cap.header.type) == 0) |
ead99d5f | 579 | return rc; |
0ef4bcdc | 580 | |
d62a17ae | 581 | if ((ntohs(ori.pce_info.pce_header.header.type) == RI_TLV_PCE) |
582 | && (ntohs(ori.pce_info.pce_address.header.type) == 0) | |
583 | && (ntohs(ori.pce_info.pce_cap_flag.header.type) == 0)) | |
ead99d5f | 584 | return rc; |
0ef4bcdc | 585 | |
cf9b9f77 OD |
586 | if ((ori.sr_info.enabled) && (ntohs(TLV_TYPE(ori.sr_info.algo)) == 0) |
587 | && (ntohs(TLV_TYPE(ori.sr_info.range)) == 0)) | |
588 | return rc; | |
589 | ||
d62a17ae | 590 | rc = 1; |
0ef4bcdc | 591 | |
d62a17ae | 592 | return rc; |
0ef4bcdc OD |
593 | } |
594 | ||
cf9b9f77 OD |
595 | /* |
596 | * Used by Segment Routing to set new TLVs and Sub-TLVs values | |
597 | * | |
598 | * @param enable To activate or not Segment Routing router Information flooding | |
599 | * @param size Size of Label Range i.e. SRGB size | |
600 | * @param lower Lower bound of the Label Range i.e. SRGB first label | |
601 | * @param msd Maximum label Stack Depth suported by the router | |
602 | * | |
603 | * @return none | |
604 | */ | |
93f0a26e | 605 | void ospf_router_info_update_sr(bool enable, struct sr_srgb srgb, uint8_t msd) |
cf9b9f77 OD |
606 | { |
607 | ||
608 | /* First activate and initialize Router Information is necessary */ | |
609 | if (!OspfRI.enabled) { | |
610 | OspfRI.enabled = true; | |
611 | initialize_params(&OspfRI); | |
612 | } | |
613 | ||
614 | if (IS_DEBUG_OSPF_SR) | |
615 | zlog_debug("RI-> %s Routing Information for Segment Routing", | |
996c9314 | 616 | enable ? "Enable" : "Disable"); |
cf9b9f77 OD |
617 | |
618 | /* Unset or Set SR parameters */ | |
619 | if (!enable) { | |
620 | unset_sr_algorithm(SR_ALGORITHM_SPF); | |
621 | unset_sr_sid_label_range(); | |
622 | unset_sr_node_msd(); | |
623 | OspfRI.sr_info.enabled = false; | |
624 | } else { | |
625 | // Only SR_ALGORITHM_SPF is supported | |
626 | set_sr_algorithm(SR_ALGORITHM_SPF); | |
627 | set_sr_sid_label_range(srgb); | |
628 | if (msd != 0) | |
629 | set_sr_node_msd(msd); | |
630 | else | |
631 | unset_sr_node_msd(); | |
632 | OspfRI.sr_info.enabled = true; | |
633 | } | |
634 | ||
635 | /* Refresh if already engaged or originate RI LSA */ | |
636 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) | |
637 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); | |
638 | else | |
639 | ospf_router_info_lsa_schedule(REORIGINATE_THIS_LSA); | |
640 | } | |
641 | ||
0ef4bcdc OD |
642 | /*------------------------------------------------------------------------* |
643 | * Followings are callback functions against generic Opaque-LSAs handling. | |
644 | *------------------------------------------------------------------------*/ | |
d62a17ae | 645 | static void ospf_router_info_ism_change(struct ospf_interface *oi, |
646 | int old_state) | |
0ef4bcdc | 647 | { |
d62a17ae | 648 | /* So far, nothing to do here. */ |
649 | return; | |
0ef4bcdc OD |
650 | } |
651 | ||
d62a17ae | 652 | static void ospf_router_info_nsm_change(struct ospf_neighbor *nbr, |
653 | int old_state) | |
0ef4bcdc | 654 | { |
d62a17ae | 655 | /* So far, nothing to do here. */ |
656 | return; | |
0ef4bcdc OD |
657 | } |
658 | ||
659 | /*------------------------------------------------------------------------* | |
660 | * Followings are OSPF protocol processing functions for ROUTER INFORMATION | |
661 | *------------------------------------------------------------------------*/ | |
662 | ||
ead99d5f | 663 | static void build_tlv_header(struct stream *s, struct tlv_header *tlvh) |
0ef4bcdc OD |
664 | { |
665 | ||
ead99d5f | 666 | stream_put(s, tlvh, sizeof(struct tlv_header)); |
d62a17ae | 667 | return; |
0ef4bcdc OD |
668 | } |
669 | ||
ead99d5f | 670 | static void build_tlv(struct stream *s, struct tlv_header *tlvh) |
0ef4bcdc OD |
671 | { |
672 | ||
d62a17ae | 673 | if (ntohs(tlvh->type) != 0) { |
674 | build_tlv_header(s, tlvh); | |
5d0df50f | 675 | stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh)); |
d62a17ae | 676 | } |
677 | return; | |
0ef4bcdc OD |
678 | } |
679 | ||
d62a17ae | 680 | static void ospf_router_info_lsa_body_set(struct stream *s) |
0ef4bcdc OD |
681 | { |
682 | ||
d62a17ae | 683 | struct listnode *node; |
684 | struct ri_pce_subtlv_domain *domain; | |
685 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 686 | |
d62a17ae | 687 | /* Build Router Information TLV */ |
688 | build_tlv(s, &OspfRI.router_cap.header); | |
0ef4bcdc | 689 | |
cf9b9f77 OD |
690 | /* Build Segment Routing TLVs if enabled */ |
691 | if (OspfRI.sr_info.enabled) { | |
692 | /* Build Algorithm TLV */ | |
693 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.algo)); | |
694 | /* Build SRGB TLV */ | |
695 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.range)); | |
696 | /* Build MSD TLV */ | |
697 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.msd)); | |
698 | } | |
ead99d5f OD |
699 | |
700 | /* Add RI PCE TLV if it is set */ | |
32ab5cf4 | 701 | if (OspfRI.pce_info.enabled) { |
0ef4bcdc | 702 | |
cf9b9f77 | 703 | /* Compute PCE Info header first */ |
996c9314 | 704 | set_pce_header(&OspfRI.pce_info); |
cf9b9f77 | 705 | |
d62a17ae | 706 | /* Build PCE TLV */ |
707 | build_tlv_header(s, &OspfRI.pce_info.pce_header.header); | |
0ef4bcdc | 708 | |
d62a17ae | 709 | /* Build PCE address sub-tlv */ |
710 | build_tlv(s, &OspfRI.pce_info.pce_address.header); | |
0ef4bcdc | 711 | |
d62a17ae | 712 | /* Build PCE path scope sub-tlv */ |
713 | build_tlv(s, &OspfRI.pce_info.pce_scope.header); | |
0ef4bcdc | 714 | |
d62a17ae | 715 | /* Build PCE domain sub-tlv */ |
716 | for (ALL_LIST_ELEMENTS_RO(OspfRI.pce_info.pce_domain, node, | |
717 | domain)) | |
718 | build_tlv(s, &domain->header); | |
0ef4bcdc | 719 | |
d62a17ae | 720 | /* Build PCE neighbor sub-tlv */ |
721 | for (ALL_LIST_ELEMENTS_RO(OspfRI.pce_info.pce_neighbor, node, | |
722 | neighbor)) | |
723 | build_tlv(s, &neighbor->header); | |
0ef4bcdc | 724 | |
d62a17ae | 725 | /* Build PCE cap flag sub-tlv */ |
726 | build_tlv(s, &OspfRI.pce_info.pce_cap_flag.header); | |
727 | } | |
0ef4bcdc | 728 | |
d62a17ae | 729 | return; |
0ef4bcdc OD |
730 | } |
731 | ||
732 | /* Create new opaque-LSA. */ | |
d62a17ae | 733 | static struct ospf_lsa *ospf_router_info_lsa_new() |
0ef4bcdc | 734 | { |
d62a17ae | 735 | struct ospf *top; |
736 | struct stream *s; | |
737 | struct lsa_header *lsah; | |
738 | struct ospf_lsa *new = NULL; | |
d7c0a89a | 739 | uint8_t options, lsa_type; |
d62a17ae | 740 | struct in_addr lsa_id; |
d7c0a89a QY |
741 | uint32_t tmp; |
742 | uint16_t length; | |
d62a17ae | 743 | |
744 | /* Create a stream for LSA. */ | |
745 | if ((s = stream_new(OSPF_MAX_LSA_SIZE)) == NULL) { | |
746 | zlog_warn("ospf_router_info_lsa_new: stream_new() ?"); | |
ead99d5f | 747 | return NULL; |
d62a17ae | 748 | } |
749 | lsah = (struct lsa_header *)STREAM_DATA(s); | |
750 | ||
751 | options = OSPF_OPTION_E; /* Enable AS external as we flood RI with | |
752 | Opaque Type 11 */ | |
753 | options |= OSPF_OPTION_O; /* Don't forget this :-) */ | |
754 | ||
755 | lsa_type = OspfRI.scope; | |
756 | /* LSA ID == 0 for Router Information see RFC 4970 */ | |
757 | tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); | |
758 | lsa_id.s_addr = htonl(tmp); | |
759 | ||
760 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) | |
761 | zlog_debug( | |
762 | "LSA[Type%d:%s]: Create an Opaque-LSA/ROUTER INFORMATION instance", | |
763 | lsa_type, inet_ntoa(lsa_id)); | |
764 | ||
b5a8894d | 765 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 766 | |
767 | /* Set opaque-LSA header fields. */ | |
768 | lsa_header_set(s, options, lsa_type, lsa_id, top->router_id); | |
769 | ||
770 | /* Set opaque-LSA body fields. */ | |
771 | ospf_router_info_lsa_body_set(s); | |
772 | ||
773 | /* Set length. */ | |
774 | length = stream_get_endp(s); | |
775 | lsah->length = htons(length); | |
776 | ||
777 | /* Now, create an OSPF LSA instance. */ | |
778 | if ((new = ospf_lsa_new()) == NULL) { | |
779 | zlog_warn("ospf_router_info_lsa_new: ospf_lsa_new() ?"); | |
780 | stream_free(s); | |
ead99d5f | 781 | return NULL; |
d62a17ae | 782 | } |
783 | if ((new->data = ospf_lsa_data_new(length)) == NULL) { | |
784 | zlog_warn("ospf_router_info_lsa_new: ospf_lsa_data_new() ?"); | |
785 | ospf_lsa_unlock(&new); | |
786 | new = NULL; | |
787 | stream_free(s); | |
ead99d5f | 788 | return new; |
d62a17ae | 789 | } |
790 | ||
791 | new->area = OspfRI.area; /* Area must be null if the Opaque type is AS | |
792 | scope, fulfill otherwise */ | |
793 | ||
b5a8894d CS |
794 | if (new->area && new->area->ospf) |
795 | new->vrf_id = new->area->ospf->vrf_id; | |
796 | else | |
797 | new->vrf_id = VRF_DEFAULT; | |
798 | ||
d62a17ae | 799 | SET_FLAG(new->flags, OSPF_LSA_SELF); |
800 | memcpy(new->data, lsah, length); | |
801 | stream_free(s); | |
802 | ||
d62a17ae | 803 | return new; |
0ef4bcdc OD |
804 | } |
805 | ||
d62a17ae | 806 | static int ospf_router_info_lsa_originate1(void *arg) |
0ef4bcdc | 807 | { |
d62a17ae | 808 | struct ospf_lsa *new; |
809 | struct ospf *top; | |
810 | struct ospf_area *area; | |
811 | int rc = -1; | |
b5a8894d | 812 | vrf_id_t vrf_id = VRF_DEFAULT; |
d62a17ae | 813 | |
814 | /* First check if the area is known if flooding scope is Area */ | |
815 | if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) { | |
816 | area = (struct ospf_area *)arg; | |
817 | if (area->area_id.s_addr != OspfRI.area_id.s_addr) { | |
818 | zlog_debug( | |
819 | "RI -> This is not the Router Information Area. Stop processing"); | |
ead99d5f | 820 | return rc; |
d62a17ae | 821 | } |
822 | OspfRI.area = area; | |
b5a8894d CS |
823 | if (area->ospf) |
824 | vrf_id = area->ospf->vrf_id; | |
d62a17ae | 825 | } |
826 | ||
827 | /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ | |
828 | if ((new = ospf_router_info_lsa_new()) == NULL) { | |
829 | zlog_warn( | |
830 | "ospf_router_info_lsa_originate1: ospf_router_info_lsa_new() ?"); | |
ead99d5f | 831 | return rc; |
d62a17ae | 832 | } |
b5a8894d | 833 | new->vrf_id = vrf_id; |
d62a17ae | 834 | |
835 | /* Get ospf info */ | |
b5a8894d CS |
836 | top = ospf_lookup_by_vrf_id(vrf_id); |
837 | if (top == NULL) { | |
838 | zlog_debug("%s: ospf instance not found for vrf id %u", | |
839 | __PRETTY_FUNCTION__, vrf_id); | |
c2a2f37b | 840 | ospf_lsa_unlock(&new); |
b5a8894d CS |
841 | return rc; |
842 | } | |
d62a17ae | 843 | |
844 | /* Install this LSA into LSDB. */ | |
845 | if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) { | |
846 | zlog_warn( | |
847 | "ospf_router_info_lsa_originate1: ospf_lsa_install() ?"); | |
848 | ospf_lsa_unlock(&new); | |
ead99d5f | 849 | return rc; |
d62a17ae | 850 | } |
851 | ||
852 | /* Now this Router Info parameter entry has associated LSA. */ | |
853 | SET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); | |
854 | ||
855 | /* Update new LSA origination count. */ | |
856 | top->lsa_originate_count++; | |
857 | ||
858 | /* Flood new LSA through AS. */ | |
859 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
860 | ospf_flood_through_as(top, NULL /*nbr */, new); | |
861 | else | |
862 | ospf_flood_through_area(OspfRI.area, NULL /*nbr */, new); | |
863 | ||
864 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) { | |
865 | zlog_debug( | |
866 | "LSA[Type%d:%s]: Originate Opaque-LSA/ROUTER INFORMATION", | |
867 | new->data->type, inet_ntoa(new->data->id)); | |
868 | ospf_lsa_header_dump(new->data); | |
869 | } | |
870 | ||
871 | rc = 0; | |
d62a17ae | 872 | return rc; |
0ef4bcdc OD |
873 | } |
874 | ||
d62a17ae | 875 | static int ospf_router_info_lsa_originate(void *arg) |
0ef4bcdc OD |
876 | { |
877 | ||
d62a17ae | 878 | int rc = -1; |
879 | ||
32ab5cf4 | 880 | if (!OspfRI.enabled) { |
d62a17ae | 881 | zlog_info( |
882 | "ospf_router_info_lsa_originate: ROUTER INFORMATION is disabled now."); | |
883 | rc = 0; /* This is not an error case. */ | |
ead99d5f | 884 | return rc; |
d62a17ae | 885 | } |
886 | ||
887 | /* Check if Router Information LSA is already engaged */ | |
32ab5cf4 OD |
888 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) { |
889 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_FORCED_REFRESH)) { | |
ead99d5f | 890 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_FORCED_REFRESH); |
d62a17ae | 891 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
892 | } | |
893 | } else { | |
894 | if (!is_mandated_params_set(OspfRI)) | |
895 | zlog_warn( | |
896 | "ospf_router_info_lsa_originate: lacks mandated ROUTER INFORMATION parameters"); | |
897 | ||
898 | /* Ok, let's try to originate an LSA */ | |
899 | if (ospf_router_info_lsa_originate1(arg) != 0) | |
ead99d5f | 900 | return rc; |
d62a17ae | 901 | } |
902 | ||
903 | rc = 0; | |
d62a17ae | 904 | return rc; |
0ef4bcdc OD |
905 | } |
906 | ||
d62a17ae | 907 | static struct ospf_lsa *ospf_router_info_lsa_refresh(struct ospf_lsa *lsa) |
0ef4bcdc | 908 | { |
d62a17ae | 909 | struct ospf_lsa *new = NULL; |
910 | struct ospf *top; | |
911 | ||
32ab5cf4 | 912 | if (!OspfRI.enabled) { |
d62a17ae | 913 | /* |
914 | * This LSA must have flushed before due to ROUTER INFORMATION | |
915 | * status change. | |
916 | * It seems a slip among routers in the routing domain. | |
917 | */ | |
918 | zlog_info( | |
919 | "ospf_router_info_lsa_refresh: ROUTER INFORMATION is disabled now."); | |
920 | lsa->data->ls_age = | |
921 | htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */ | |
922 | } | |
923 | ||
924 | /* Verify that the Router Information ID is supported */ | |
925 | if (GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr)) != 0) { | |
926 | zlog_warn( | |
927 | "ospf_router_info_lsa_refresh: Unsupported Router Information ID"); | |
ead99d5f | 928 | return NULL; |
d62a17ae | 929 | } |
930 | ||
931 | /* If the lsa's age reached to MaxAge, start flushing procedure. */ | |
932 | if (IS_LSA_MAXAGE(lsa)) { | |
ead99d5f | 933 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); |
d62a17ae | 934 | ospf_opaque_lsa_flush_schedule(lsa); |
ead99d5f | 935 | return NULL; |
d62a17ae | 936 | } |
937 | ||
938 | /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ | |
939 | if ((new = ospf_router_info_lsa_new()) == NULL) { | |
940 | zlog_warn( | |
941 | "ospf_router_info_lsa_refresh: ospf_router_info_lsa_new() ?"); | |
ead99d5f | 942 | return NULL; |
d62a17ae | 943 | } |
944 | new->data->ls_seqnum = lsa_seqnum_increment(lsa); | |
b5a8894d | 945 | new->vrf_id = lsa->vrf_id; |
d62a17ae | 946 | |
947 | /* Install this LSA into LSDB. */ | |
948 | /* Given "lsa" will be freed in the next function. */ | |
b5a8894d | 949 | top = ospf_lookup_by_vrf_id(lsa->vrf_id); |
d62a17ae | 950 | if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) { |
951 | zlog_warn("ospf_router_info_lsa_refresh: ospf_lsa_install() ?"); | |
952 | ospf_lsa_unlock(&new); | |
ead99d5f | 953 | return new; |
d62a17ae | 954 | } |
955 | ||
956 | /* Flood updated LSA through AS or AREA depending of OspfRI.scope. */ | |
957 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
958 | ospf_flood_through_as(top, NULL /*nbr */, new); | |
959 | else | |
960 | ospf_flood_through_area(OspfRI.area, NULL /*nbr */, new); | |
961 | ||
962 | /* Debug logging. */ | |
963 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) { | |
964 | zlog_debug( | |
965 | "LSA[Type%d:%s]: Refresh Opaque-LSA/ROUTER INFORMATION", | |
966 | new->data->type, inet_ntoa(new->data->id)); | |
967 | ospf_lsa_header_dump(new->data); | |
968 | } | |
969 | ||
d62a17ae | 970 | return new; |
0ef4bcdc OD |
971 | } |
972 | ||
2a39170c | 973 | static void ospf_router_info_lsa_schedule(enum lsa_opcode opcode) |
0ef4bcdc | 974 | { |
d62a17ae | 975 | struct ospf_lsa lsa; |
976 | struct lsa_header lsah; | |
977 | struct ospf *top; | |
d7c0a89a | 978 | uint32_t tmp; |
d62a17ae | 979 | |
980 | memset(&lsa, 0, sizeof(lsa)); | |
981 | memset(&lsah, 0, sizeof(lsah)); | |
982 | ||
983 | zlog_debug("RI-> LSA schedule %s%s%s", | |
984 | opcode == REORIGINATE_THIS_LSA ? "Re-Originate" : "", | |
985 | opcode == REFRESH_THIS_LSA ? "Refresh" : "", | |
986 | opcode == FLUSH_THIS_LSA ? "Flush" : ""); | |
987 | ||
ead99d5f | 988 | /* Check LSA flags state coherence */ |
996c9314 LB |
989 | if (!CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED) |
990 | && (opcode != REORIGINATE_THIS_LSA)) | |
ead99d5f OD |
991 | return; |
992 | ||
996c9314 LB |
993 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED) |
994 | && (opcode == REORIGINATE_THIS_LSA)) | |
ead99d5f OD |
995 | opcode = REFRESH_THIS_LSA; |
996 | ||
b5a8894d | 997 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 998 | if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) { |
999 | zlog_warn( | |
1000 | "ospf_router_info_lsa_schedule(): Router Info is Area scope flooding but area is not set"); | |
1001 | OspfRI.area = ospf_area_lookup_by_area_id(top, OspfRI.area_id); | |
1002 | } | |
1003 | lsa.area = OspfRI.area; | |
1004 | lsa.data = &lsah; | |
1005 | lsah.type = OspfRI.scope; | |
1006 | ||
1007 | /* LSA ID is set to 0 for the Router Information. See RFC 4970 */ | |
1008 | tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); | |
1009 | lsah.id.s_addr = htonl(tmp); | |
1010 | ||
1011 | switch (opcode) { | |
1012 | case REORIGINATE_THIS_LSA: | |
1013 | if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) | |
1014 | ospf_opaque_lsa_reoriginate_schedule( | |
1015 | (void *)OspfRI.area, OSPF_OPAQUE_AREA_LSA, | |
1016 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
1017 | else | |
1018 | ospf_opaque_lsa_reoriginate_schedule( | |
1019 | (void *)top, OSPF_OPAQUE_AS_LSA, | |
1020 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
1021 | break; | |
1022 | case REFRESH_THIS_LSA: | |
1023 | ospf_opaque_lsa_refresh_schedule(&lsa); | |
1024 | break; | |
1025 | case FLUSH_THIS_LSA: | |
ead99d5f | 1026 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); |
d62a17ae | 1027 | ospf_opaque_lsa_flush_schedule(&lsa); |
1028 | break; | |
1029 | default: | |
1030 | zlog_warn("ospf_router_info_lsa_schedule: Unknown opcode (%u)", | |
1031 | opcode); | |
1032 | break; | |
1033 | } | |
1034 | ||
1035 | return; | |
0ef4bcdc OD |
1036 | } |
1037 | ||
cf9b9f77 OD |
1038 | /* Callback to handle Segment Routing information */ |
1039 | static int ospf_router_info_lsa_update(struct ospf_lsa *lsa) | |
1040 | { | |
1041 | ||
1042 | /* Sanity Check */ | |
1043 | if (lsa == NULL) { | |
7743f2f8 | 1044 | zlog_warn("OSPF-RI (%s): Abort! LSA is NULL", __func__); |
cf9b9f77 OD |
1045 | return -1; |
1046 | } | |
1047 | ||
6aaf0fdd OD |
1048 | /* Process only Opaque LSA */ |
1049 | if ((lsa->data->type != OSPF_OPAQUE_AREA_LSA) | |
1050 | && (lsa->data->type != OSPF_OPAQUE_AS_LSA)) | |
cf9b9f77 OD |
1051 | return 0; |
1052 | ||
1053 | /* Process only Router Information LSA */ | |
996c9314 LB |
1054 | if (GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)) |
1055 | != OPAQUE_TYPE_ROUTER_INFORMATION_LSA) | |
cf9b9f77 OD |
1056 | return 0; |
1057 | ||
6aaf0fdd OD |
1058 | /* Check if it is not my LSA */ |
1059 | if (IS_LSA_SELF(lsa)) | |
1060 | return 0; | |
1061 | ||
cf9b9f77 OD |
1062 | /* Check if Router Info & Segment Routing are enable */ |
1063 | if (!OspfRI.enabled || !OspfRI.sr_info.enabled) | |
1064 | return 0; | |
1065 | ||
1066 | /* Call Segment Routing LSA update or deletion */ | |
1067 | if (!IS_LSA_MAXAGE(lsa)) | |
1068 | ospf_sr_ri_lsa_update(lsa); | |
1069 | else | |
1070 | ospf_sr_ri_lsa_delete(lsa); | |
1071 | ||
1072 | return 0; | |
1073 | } | |
1074 | ||
0ef4bcdc OD |
1075 | /*------------------------------------------------------------------------* |
1076 | * Followings are vty session control functions. | |
1077 | *------------------------------------------------------------------------*/ | |
1078 | ||
d7c0a89a | 1079 | static uint16_t show_vty_router_cap(struct vty *vty, struct tlv_header *tlvh) |
0ef4bcdc | 1080 | { |
d62a17ae | 1081 | struct ri_tlv_router_cap *top = (struct ri_tlv_router_cap *)tlvh; |
0ef4bcdc | 1082 | |
d62a17ae | 1083 | if (vty != NULL) |
1084 | vty_out(vty, " Router Capabilities: 0x%x\n", | |
1085 | ntohl(top->value)); | |
1086 | else | |
1087 | zlog_debug(" Router Capabilities: 0x%x", ntohl(top->value)); | |
0ef4bcdc | 1088 | |
ead99d5f | 1089 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1090 | } |
1091 | ||
d7c0a89a QY |
1092 | static uint16_t show_vty_pce_subtlv_address(struct vty *vty, |
1093 | struct tlv_header *tlvh) | |
0ef4bcdc | 1094 | { |
d62a17ae | 1095 | struct ri_pce_subtlv_address *top = |
1096 | (struct ri_pce_subtlv_address *)tlvh; | |
1097 | ||
1098 | if (ntohs(top->address.type) == PCE_ADDRESS_TYPE_IPV4) { | |
1099 | if (vty != NULL) | |
1100 | vty_out(vty, " PCE Address: %s\n", | |
1101 | inet_ntoa(top->address.value)); | |
1102 | else | |
1103 | zlog_debug(" PCE Address: %s", | |
1104 | inet_ntoa(top->address.value)); | |
1105 | } else { | |
1106 | /* TODO: Add support to IPv6 with inet_ntop() */ | |
1107 | if (vty != NULL) | |
1108 | vty_out(vty, " PCE Address: 0x%x\n", | |
1109 | ntohl(top->address.value.s_addr)); | |
1110 | else | |
1111 | zlog_debug(" PCE Address: 0x%x", | |
1112 | ntohl(top->address.value.s_addr)); | |
1113 | } | |
1114 | ||
ead99d5f | 1115 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1116 | } |
1117 | ||
d7c0a89a QY |
1118 | static uint16_t show_vty_pce_subtlv_path_scope(struct vty *vty, |
1119 | struct tlv_header *tlvh) | |
0ef4bcdc | 1120 | { |
d62a17ae | 1121 | struct ri_pce_subtlv_path_scope *top = |
1122 | (struct ri_pce_subtlv_path_scope *)tlvh; | |
0ef4bcdc | 1123 | |
d62a17ae | 1124 | if (vty != NULL) |
1125 | vty_out(vty, " PCE Path Scope: 0x%x\n", ntohl(top->value)); | |
1126 | else | |
1127 | zlog_debug(" PCE Path Scope: 0x%x", ntohl(top->value)); | |
0ef4bcdc | 1128 | |
ead99d5f | 1129 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1130 | } |
1131 | ||
d7c0a89a QY |
1132 | static uint16_t show_vty_pce_subtlv_domain(struct vty *vty, |
1133 | struct tlv_header *tlvh) | |
0ef4bcdc | 1134 | { |
d62a17ae | 1135 | struct ri_pce_subtlv_domain *top = (struct ri_pce_subtlv_domain *)tlvh; |
1136 | struct in_addr tmp; | |
1137 | ||
1138 | if (ntohs(top->type) == PCE_DOMAIN_TYPE_AREA) { | |
1139 | tmp.s_addr = top->value; | |
1140 | if (vty != NULL) | |
1141 | vty_out(vty, " PCE domain Area: %s\n", inet_ntoa(tmp)); | |
1142 | else | |
1143 | zlog_debug(" PCE domain Area: %s", inet_ntoa(tmp)); | |
1144 | } else { | |
1145 | if (vty != NULL) | |
1146 | vty_out(vty, " PCE domain AS: %d\n", | |
1147 | ntohl(top->value)); | |
1148 | else | |
1149 | zlog_debug(" PCE domain AS: %d", ntohl(top->value)); | |
1150 | } | |
ead99d5f | 1151 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1152 | } |
1153 | ||
d7c0a89a QY |
1154 | static uint16_t show_vty_pce_subtlv_neighbor(struct vty *vty, |
1155 | struct tlv_header *tlvh) | |
0ef4bcdc OD |
1156 | { |
1157 | ||
d62a17ae | 1158 | struct ri_pce_subtlv_neighbor *top = |
1159 | (struct ri_pce_subtlv_neighbor *)tlvh; | |
1160 | struct in_addr tmp; | |
1161 | ||
1162 | if (ntohs(top->type) == PCE_DOMAIN_TYPE_AREA) { | |
1163 | tmp.s_addr = top->value; | |
1164 | if (vty != NULL) | |
1165 | vty_out(vty, " PCE neighbor Area: %s\n", | |
1166 | inet_ntoa(tmp)); | |
1167 | else | |
1168 | zlog_debug(" PCE neighbor Area: %s", inet_ntoa(tmp)); | |
1169 | } else { | |
1170 | if (vty != NULL) | |
1171 | vty_out(vty, " PCE neighbor AS: %d\n", | |
1172 | ntohl(top->value)); | |
1173 | else | |
1174 | zlog_debug(" PCE neighbor AS: %d", | |
1175 | ntohl(top->value)); | |
1176 | } | |
ead99d5f | 1177 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1178 | } |
1179 | ||
d7c0a89a QY |
1180 | static uint16_t show_vty_pce_subtlv_cap_flag(struct vty *vty, |
1181 | struct tlv_header *tlvh) | |
0ef4bcdc | 1182 | { |
d62a17ae | 1183 | struct ri_pce_subtlv_cap_flag *top = |
1184 | (struct ri_pce_subtlv_cap_flag *)tlvh; | |
0ef4bcdc | 1185 | |
d62a17ae | 1186 | if (vty != NULL) |
1187 | vty_out(vty, " PCE Capabilities Flag: 0x%x\n", | |
1188 | ntohl(top->value)); | |
1189 | else | |
1190 | zlog_debug(" PCE Capabilities Flag: 0x%x", | |
1191 | ntohl(top->value)); | |
0ef4bcdc | 1192 | |
ead99d5f | 1193 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1194 | } |
1195 | ||
d7c0a89a | 1196 | static uint16_t show_vty_unknown_tlv(struct vty *vty, struct tlv_header *tlvh) |
0ef4bcdc | 1197 | { |
d62a17ae | 1198 | if (vty != NULL) |
1199 | vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n", | |
1200 | ntohs(tlvh->type), ntohs(tlvh->length)); | |
1201 | else | |
1202 | zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]", | |
1203 | ntohs(tlvh->type), ntohs(tlvh->length)); | |
1204 | ||
ead99d5f | 1205 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1206 | } |
1207 | ||
d7c0a89a QY |
1208 | static uint16_t show_vty_pce_info(struct vty *vty, struct tlv_header *ri, |
1209 | uint32_t total) | |
0ef4bcdc | 1210 | { |
ead99d5f | 1211 | struct tlv_header *tlvh; |
d7c0a89a | 1212 | uint16_t sum = 0; |
d62a17ae | 1213 | |
ead99d5f | 1214 | for (tlvh = ri; sum < total; tlvh = TLV_HDR_NEXT(tlvh)) { |
d62a17ae | 1215 | switch (ntohs(tlvh->type)) { |
1216 | case RI_PCE_SUBTLV_ADDRESS: | |
1217 | sum += show_vty_pce_subtlv_address(vty, tlvh); | |
1218 | break; | |
1219 | case RI_PCE_SUBTLV_PATH_SCOPE: | |
1220 | sum += show_vty_pce_subtlv_path_scope(vty, tlvh); | |
1221 | break; | |
1222 | case RI_PCE_SUBTLV_DOMAIN: | |
1223 | sum += show_vty_pce_subtlv_domain(vty, tlvh); | |
1224 | break; | |
1225 | case RI_PCE_SUBTLV_NEIGHBOR: | |
1226 | sum += show_vty_pce_subtlv_neighbor(vty, tlvh); | |
1227 | break; | |
1228 | case RI_PCE_SUBTLV_CAP_FLAG: | |
1229 | sum += show_vty_pce_subtlv_cap_flag(vty, tlvh); | |
1230 | break; | |
1231 | default: | |
1232 | sum += show_vty_unknown_tlv(vty, tlvh); | |
1233 | break; | |
1234 | } | |
1235 | } | |
1236 | return sum; | |
0ef4bcdc OD |
1237 | } |
1238 | ||
cf9b9f77 | 1239 | /* Display Segment Routing Algorithm TLV information */ |
93f0a26e | 1240 | static uint16_t show_vty_sr_algorithm(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1241 | { |
1242 | struct ri_sr_tlv_sr_algorithm *algo = | |
1243 | (struct ri_sr_tlv_sr_algorithm *)tlvh; | |
1244 | int i; | |
7743f2f8 | 1245 | |
cf9b9f77 OD |
1246 | if (vty != NULL) { |
1247 | vty_out(vty, " Segment Routing Algorithm TLV:\n"); | |
1248 | for (i = 0; i < ntohs(algo->header.length); i++) { | |
1249 | switch (algo->value[i]) { | |
1250 | case 0: | |
1251 | vty_out(vty, " Algorithm %d: SPF\n", i); | |
1252 | break; | |
1253 | case 1: | |
1254 | vty_out(vty, " Algorithm %d: Strict SPF\n", | |
1255 | i); | |
1256 | break; | |
1257 | default: | |
1258 | vty_out(vty, | |
1259 | " Algorithm %d: Unknown value %d\n", i, | |
1260 | algo->value[i]); | |
1261 | break; | |
1262 | } | |
1263 | } | |
1264 | } | |
1265 | ||
1266 | else { | |
1267 | zlog_debug(" Segment Routing Algorithm TLV:\n"); | |
1268 | for (i = 0; i < ntohs(algo->header.length); i++) | |
1269 | switch (algo->value[i]) { | |
1270 | case 0: | |
1271 | zlog_debug(" Algorithm %d: SPF\n", i); | |
1272 | break; | |
1273 | case 1: | |
1274 | zlog_debug(" Algorithm %d: Strict SPF\n", i); | |
1275 | break; | |
1276 | default: | |
1277 | zlog_debug( | |
1278 | " Algorithm %d: Unknown value %d\n", | |
1279 | i, algo->value[i]); | |
1280 | break; | |
1281 | } | |
1282 | } | |
1283 | ||
1284 | return TLV_SIZE(tlvh); | |
1285 | } | |
1286 | ||
1287 | /* Display Segment Routing SID/Label Range TLV information */ | |
93f0a26e | 1288 | static uint16_t show_vty_sr_range(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1289 | { |
1290 | struct ri_sr_tlv_sid_label_range *range = | |
1291 | (struct ri_sr_tlv_sid_label_range *)tlvh; | |
1292 | ||
1293 | if (vty != NULL) { | |
1294 | vty_out(vty, | |
1295 | " Segment Routing Range TLV:\n" | |
1296 | " Range Size = %d\n" | |
1297 | " SID Label = %d\n\n", | |
1298 | GET_RANGE_SIZE(ntohl(range->size)), | |
1299 | GET_LABEL(ntohl(range->lower.value))); | |
1300 | } else { | |
1301 | zlog_debug( | |
1302 | " Segment Routing Range TLV:\n" | |
1303 | " Range Size = %d\n" | |
1304 | " SID Label = %d\n\n", | |
1305 | GET_RANGE_SIZE(ntohl(range->size)), | |
1306 | GET_LABEL(ntohl(range->lower.value))); | |
1307 | } | |
1308 | ||
1309 | return TLV_SIZE(tlvh); | |
1310 | } | |
1311 | ||
1312 | /* Display Segment Routing Maximum Stack Depth TLV information */ | |
93f0a26e | 1313 | static uint16_t show_vty_sr_msd(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1314 | { |
1315 | struct ri_sr_tlv_node_msd *msd = (struct ri_sr_tlv_node_msd *)tlvh; | |
1316 | ||
1317 | if (vty != NULL) { | |
1318 | vty_out(vty, | |
1319 | " Segment Routing MSD TLV:\n" | |
1320 | " Node Maximum Stack Depth = %d\n", | |
1321 | msd->value); | |
1322 | } else { | |
1323 | zlog_debug( | |
1324 | " Segment Routing MSD TLV:\n" | |
1325 | " Node Maximum Stack Depth = %d\n", | |
1326 | msd->value); | |
1327 | } | |
1328 | ||
1329 | return TLV_SIZE(tlvh); | |
1330 | } | |
1331 | ||
d62a17ae | 1332 | static void ospf_router_info_show_info(struct vty *vty, struct ospf_lsa *lsa) |
0ef4bcdc | 1333 | { |
d62a17ae | 1334 | struct lsa_header *lsah = (struct lsa_header *)lsa->data; |
ead99d5f | 1335 | struct tlv_header *tlvh; |
d7c0a89a | 1336 | uint16_t length = 0, sum = 0; |
d62a17ae | 1337 | |
1338 | /* Initialize TLV browsing */ | |
1339 | length = ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE; | |
1340 | ||
ead99d5f OD |
1341 | for (tlvh = TLV_HDR_TOP(lsah); sum < length; |
1342 | tlvh = TLV_HDR_NEXT(tlvh)) { | |
d62a17ae | 1343 | switch (ntohs(tlvh->type)) { |
1344 | case RI_TLV_CAPABILITIES: | |
1345 | sum += show_vty_router_cap(vty, tlvh); | |
1346 | break; | |
1347 | case RI_TLV_PCE: | |
1348 | tlvh++; | |
ead99d5f | 1349 | sum += TLV_HDR_SIZE; |
d62a17ae | 1350 | sum += show_vty_pce_info(vty, tlvh, length - sum); |
1351 | break; | |
cf9b9f77 OD |
1352 | case RI_SR_TLV_SR_ALGORITHM: |
1353 | sum += show_vty_sr_algorithm(vty, tlvh); | |
1354 | break; | |
1355 | case RI_SR_TLV_SID_LABEL_RANGE: | |
1356 | sum += show_vty_sr_range(vty, tlvh); | |
1357 | break; | |
1358 | case RI_SR_TLV_NODE_MSD: | |
1359 | sum += show_vty_sr_msd(vty, tlvh); | |
1360 | break; | |
1361 | ||
d62a17ae | 1362 | default: |
1363 | sum += show_vty_unknown_tlv(vty, tlvh); | |
1364 | break; | |
1365 | } | |
1366 | } | |
1367 | ||
1368 | return; | |
0ef4bcdc OD |
1369 | } |
1370 | ||
d62a17ae | 1371 | static void ospf_router_info_config_write_router(struct vty *vty) |
0ef4bcdc | 1372 | { |
d62a17ae | 1373 | struct ospf_pce_info *pce = &OspfRI.pce_info; |
1374 | struct listnode *node; | |
1375 | struct ri_pce_subtlv_domain *domain; | |
1376 | struct ri_pce_subtlv_neighbor *neighbor; | |
1377 | struct in_addr tmp; | |
1378 | ||
cf9b9f77 OD |
1379 | if (!OspfRI.enabled) |
1380 | return; | |
1381 | ||
1382 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
1383 | vty_out(vty, " router-info as\n"); | |
1384 | else | |
1385 | vty_out(vty, " router-info area %s\n", | |
1386 | inet_ntoa(OspfRI.area_id)); | |
1387 | ||
1388 | if (OspfRI.pce_info.enabled) { | |
1389 | ||
1390 | if (pce->pce_address.header.type != 0) | |
1391 | vty_out(vty, " pce address %s\n", | |
1392 | inet_ntoa(pce->pce_address.address.value)); | |
1393 | ||
1394 | if (pce->pce_cap_flag.header.type != 0) | |
1395 | vty_out(vty, " pce flag 0x%x\n", | |
1396 | ntohl(pce->pce_cap_flag.value)); | |
1397 | ||
1398 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
1399 | if (domain->header.type != 0) { | |
1400 | if (domain->type == PCE_DOMAIN_TYPE_AREA) { | |
1401 | tmp.s_addr = domain->value; | |
1402 | vty_out(vty, " pce domain area %s\n", | |
1403 | inet_ntoa(tmp)); | |
1404 | } else { | |
1405 | vty_out(vty, " pce domain as %d\n", | |
1406 | ntohl(domain->value)); | |
d62a17ae | 1407 | } |
1408 | } | |
cf9b9f77 | 1409 | } |
d62a17ae | 1410 | |
cf9b9f77 OD |
1411 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { |
1412 | if (neighbor->header.type != 0) { | |
1413 | if (neighbor->type == PCE_DOMAIN_TYPE_AREA) { | |
1414 | tmp.s_addr = neighbor->value; | |
1415 | vty_out(vty, " pce neighbor area %s\n", | |
1416 | inet_ntoa(tmp)); | |
1417 | } else { | |
1418 | vty_out(vty, " pce neighbor as %d\n", | |
1419 | ntohl(neighbor->value)); | |
d62a17ae | 1420 | } |
1421 | } | |
ead99d5f | 1422 | } |
cf9b9f77 OD |
1423 | |
1424 | if (pce->pce_scope.header.type != 0) | |
1425 | vty_out(vty, " pce scope 0x%x\n", | |
1426 | ntohl(OspfRI.pce_info.pce_scope.value)); | |
d62a17ae | 1427 | } |
1428 | return; | |
0ef4bcdc OD |
1429 | } |
1430 | ||
1431 | /*------------------------------------------------------------------------* | |
1432 | * Followings are vty command functions. | |
1433 | *------------------------------------------------------------------------*/ | |
1434 | ||
1435 | DEFUN (router_info, | |
1436 | router_info_area_cmd, | |
692b4c65 | 1437 | "router-info <as|area A.B.C.D>", |
0ef4bcdc | 1438 | OSPF_RI_STR |
692b4c65 | 1439 | "Enable the Router Information functionality with AS flooding scope\n" |
0ef4bcdc | 1440 | "Enable the Router Information functionality with Area flooding scope\n" |
efd7904e | 1441 | "OSPF area ID in IP format\n") |
0ef4bcdc | 1442 | { |
d62a17ae | 1443 | int idx_ipv4 = 2; |
1444 | char *area = (argc == 3) ? argv[idx_ipv4]->arg : NULL; | |
1445 | ||
d7c0a89a | 1446 | uint8_t scope; |
d62a17ae | 1447 | |
32ab5cf4 | 1448 | if (OspfRI.enabled) |
d62a17ae | 1449 | return CMD_SUCCESS; |
1450 | ||
1451 | /* Check and get Area value if present */ | |
1452 | if (area) { | |
1453 | if (!inet_aton(area, &OspfRI.area_id)) { | |
1454 | vty_out(vty, "%% specified Area ID %s is invalid\n", | |
1455 | area); | |
1456 | return CMD_WARNING_CONFIG_FAILED; | |
1457 | } | |
1458 | scope = OSPF_OPAQUE_AREA_LSA; | |
1459 | } else { | |
1460 | OspfRI.area_id.s_addr = 0; | |
1461 | scope = OSPF_OPAQUE_AS_LSA; | |
1462 | } | |
1463 | ||
1464 | /* First start to register Router Information callbacks */ | |
1465 | if ((ospf_router_info_register(scope)) != 0) { | |
1466 | zlog_warn( | |
ead99d5f | 1467 | "Unable to register Router Information callbacks. Abort!"); |
d62a17ae | 1468 | return CMD_WARNING_CONFIG_FAILED; |
1469 | } | |
1470 | ||
32ab5cf4 | 1471 | OspfRI.enabled = true; |
d62a17ae | 1472 | |
1473 | if (IS_DEBUG_OSPF_EVENT) | |
1474 | zlog_debug("RI-> Router Information (%s flooding): OFF -> ON", | |
1475 | OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" | |
1476 | : "AS"); | |
1477 | ||
1478 | /* | |
1479 | * Following code is intended to handle two cases; | |
1480 | * | |
1481 | * 1) Router Information was disabled at startup time, but now become | |
1482 | * enabled. | |
1483 | * 2) Router Information was once enabled then disabled, and now enabled | |
1484 | * again. | |
1485 | */ | |
1486 | ||
1487 | initialize_params(&OspfRI); | |
1488 | ||
1489 | /* Refresh RI LSA if already engaged */ | |
32ab5cf4 | 1490 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) { |
996c9314 LB |
1491 | zlog_debug("RI-> Refresh LSA following configuration"); |
1492 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); | |
ead99d5f | 1493 | } else { |
d62a17ae | 1494 | zlog_debug("RI-> Initial origination following configuration"); |
1495 | ospf_router_info_lsa_schedule(REORIGINATE_THIS_LSA); | |
1496 | } | |
1497 | return CMD_SUCCESS; | |
0ef4bcdc OD |
1498 | } |
1499 | ||
0ef4bcdc OD |
1500 | |
1501 | DEFUN (no_router_info, | |
1502 | no_router_info_cmd, | |
1503 | "no router-info", | |
1504 | NO_STR | |
1505 | "Disable the Router Information functionality\n") | |
1506 | { | |
1507 | ||
32ab5cf4 | 1508 | if (!OspfRI.enabled) |
d62a17ae | 1509 | return CMD_SUCCESS; |
0ef4bcdc | 1510 | |
d62a17ae | 1511 | if (IS_DEBUG_OSPF_EVENT) |
1512 | zlog_debug("RI-> Router Information: ON -> OFF"); | |
0ef4bcdc | 1513 | |
32ab5cf4 | 1514 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1515 | ospf_router_info_lsa_schedule(FLUSH_THIS_LSA); |
0ef4bcdc | 1516 | |
32ab5cf4 | 1517 | OspfRI.enabled = false; |
0ef4bcdc | 1518 | |
d62a17ae | 1519 | return CMD_SUCCESS; |
0ef4bcdc OD |
1520 | } |
1521 | ||
d62a17ae | 1522 | static int ospf_ri_enabled(struct vty *vty) |
284a4a0c | 1523 | { |
32ab5cf4 | 1524 | if (OspfRI.enabled) |
d62a17ae | 1525 | return 1; |
284a4a0c | 1526 | |
d62a17ae | 1527 | if (vty) |
1528 | vty_out(vty, "%% OSPF RI is not turned on\n"); | |
284a4a0c | 1529 | |
d62a17ae | 1530 | return 0; |
284a4a0c DS |
1531 | } |
1532 | ||
0ef4bcdc OD |
1533 | DEFUN (pce_address, |
1534 | pce_address_cmd, | |
1535 | "pce address A.B.C.D", | |
1536 | PCE_STR | |
1537 | "Stable IP address of the PCE\n" | |
1538 | "PCE address in IPv4 address format\n") | |
1539 | { | |
d62a17ae | 1540 | int idx_ipv4 = 2; |
1541 | struct in_addr value; | |
1542 | struct ospf_pce_info *pi = &OspfRI.pce_info; | |
0ef4bcdc | 1543 | |
d62a17ae | 1544 | if (!ospf_ri_enabled(vty)) |
1545 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1546 | |
d62a17ae | 1547 | if (!inet_aton(argv[idx_ipv4]->arg, &value)) { |
1548 | vty_out(vty, "Please specify PCE Address by A.B.C.D\n"); | |
1549 | return CMD_WARNING_CONFIG_FAILED; | |
1550 | } | |
0ef4bcdc | 1551 | |
d62a17ae | 1552 | if (ntohs(pi->pce_address.header.type) == 0 |
1553 | || ntohl(pi->pce_address.address.value.s_addr) | |
1554 | != ntohl(value.s_addr)) { | |
0ef4bcdc | 1555 | |
d62a17ae | 1556 | set_pce_address(value, pi); |
0ef4bcdc | 1557 | |
d62a17ae | 1558 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1559 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1560 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1561 | } | |
0ef4bcdc | 1562 | |
d62a17ae | 1563 | return CMD_SUCCESS; |
0ef4bcdc OD |
1564 | } |
1565 | ||
1566 | DEFUN (no_pce_address, | |
1567 | no_pce_address_cmd, | |
2328428d | 1568 | "no pce address [A.B.C.D]", |
0ef4bcdc OD |
1569 | NO_STR |
1570 | PCE_STR | |
59768a63 DS |
1571 | "Disable PCE address\n" |
1572 | "PCE address in IPv4 address format\n") | |
0ef4bcdc OD |
1573 | { |
1574 | ||
9ffaacb0 | 1575 | unset_param(&OspfRI.pce_info.pce_address); |
0ef4bcdc | 1576 | |
d62a17ae | 1577 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1578 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1579 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1580 | |
d62a17ae | 1581 | return CMD_SUCCESS; |
0ef4bcdc OD |
1582 | } |
1583 | ||
1584 | DEFUN (pce_path_scope, | |
1585 | pce_path_scope_cmd, | |
1586 | "pce scope BITPATTERN", | |
1587 | PCE_STR | |
1588 | "Path scope visibilities of the PCE for path computation\n" | |
1589 | "32-bit Hexadecimal value\n") | |
1590 | { | |
d62a17ae | 1591 | int idx_bitpattern = 2; |
1592 | uint32_t scope; | |
1593 | struct ospf_pce_info *pi = &OspfRI.pce_info; | |
0ef4bcdc | 1594 | |
d62a17ae | 1595 | if (!ospf_ri_enabled(vty)) |
1596 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1597 | |
d62a17ae | 1598 | if (sscanf(argv[idx_bitpattern]->arg, "0x%x", &scope) != 1) { |
1599 | vty_out(vty, "pce_path_scope: fscanf: %s\n", | |
1600 | safe_strerror(errno)); | |
1601 | return CMD_WARNING_CONFIG_FAILED; | |
1602 | } | |
0ef4bcdc | 1603 | |
d62a17ae | 1604 | if (ntohl(pi->pce_scope.header.type) == 0 |
1605 | || scope != pi->pce_scope.value) { | |
1606 | set_pce_path_scope(scope, pi); | |
0ef4bcdc | 1607 | |
d62a17ae | 1608 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1609 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1610 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1611 | } | |
0ef4bcdc | 1612 | |
d62a17ae | 1613 | return CMD_SUCCESS; |
0ef4bcdc OD |
1614 | } |
1615 | ||
1616 | DEFUN (no_pce_path_scope, | |
1617 | no_pce_path_scope_cmd, | |
2328428d | 1618 | "no pce scope [BITPATTERN]", |
0ef4bcdc OD |
1619 | NO_STR |
1620 | PCE_STR | |
59768a63 DS |
1621 | "Disable PCE path scope\n" |
1622 | "32-bit Hexadecimal value\n") | |
0ef4bcdc OD |
1623 | { |
1624 | ||
9ffaacb0 | 1625 | unset_param(&OspfRI.pce_info.pce_address); |
0ef4bcdc | 1626 | |
d62a17ae | 1627 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1628 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1629 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1630 | |
d62a17ae | 1631 | return CMD_SUCCESS; |
0ef4bcdc OD |
1632 | } |
1633 | ||
1634 | DEFUN (pce_domain, | |
1635 | pce_domain_cmd, | |
6147e2c6 | 1636 | "pce domain as (0-65535)", |
0ef4bcdc OD |
1637 | PCE_STR |
1638 | "Configure PCE domain AS number\n" | |
1639 | "AS number where the PCE as visibilities for path computation\n" | |
1640 | "AS number in decimal <0-65535>\n") | |
1641 | { | |
d62a17ae | 1642 | int idx_number = 3; |
0ef4bcdc | 1643 | |
d62a17ae | 1644 | uint32_t as; |
1645 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
1646 | struct listnode *node; | |
1647 | struct ri_pce_subtlv_domain *domain; | |
0ef4bcdc | 1648 | |
d62a17ae | 1649 | if (!ospf_ri_enabled(vty)) |
1650 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1651 | |
0651460e | 1652 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1653 | vty_out(vty, "pce_domain: fscanf: %s\n", safe_strerror(errno)); |
1654 | return CMD_WARNING_CONFIG_FAILED; | |
1655 | } | |
0ef4bcdc | 1656 | |
d62a17ae | 1657 | /* Check if the domain is not already in the domain list */ |
1658 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
1659 | if (ntohl(domain->header.type) == 0 && as == domain->value) | |
1660 | return CMD_SUCCESS; | |
1661 | } | |
0ef4bcdc | 1662 | |
d62a17ae | 1663 | /* Create new domain if not found */ |
1664 | set_pce_domain(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1665 | |
d62a17ae | 1666 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1667 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1668 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1669 | |
d62a17ae | 1670 | return CMD_SUCCESS; |
0ef4bcdc OD |
1671 | } |
1672 | ||
1673 | DEFUN (no_pce_domain, | |
1674 | no_pce_domain_cmd, | |
6147e2c6 | 1675 | "no pce domain as (0-65535)", |
0ef4bcdc OD |
1676 | NO_STR |
1677 | PCE_STR | |
1678 | "Disable PCE domain AS number\n" | |
1679 | "AS number where the PCE as visibilities for path computation\n" | |
1680 | "AS number in decimal <0-65535>\n") | |
1681 | { | |
d62a17ae | 1682 | int idx_number = 4; |
0ef4bcdc | 1683 | |
d62a17ae | 1684 | uint32_t as; |
1685 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1686 | |
0651460e | 1687 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1688 | vty_out(vty, "no_pce_domain: fscanf: %s\n", |
1689 | safe_strerror(errno)); | |
1690 | return CMD_WARNING_CONFIG_FAILED; | |
1691 | } | |
0ef4bcdc | 1692 | |
d62a17ae | 1693 | /* Unset corresponding PCE domain */ |
1694 | unset_pce_domain(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1695 | |
d62a17ae | 1696 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1697 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1698 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1699 | |
d62a17ae | 1700 | return CMD_SUCCESS; |
0ef4bcdc OD |
1701 | } |
1702 | ||
1703 | DEFUN (pce_neigbhor, | |
1704 | pce_neighbor_cmd, | |
6147e2c6 | 1705 | "pce neighbor as (0-65535)", |
0ef4bcdc OD |
1706 | PCE_STR |
1707 | "Configure PCE neighbor domain AS number\n" | |
1708 | "AS number of PCE neighbors\n" | |
1709 | "AS number in decimal <0-65535>\n") | |
1710 | { | |
d62a17ae | 1711 | int idx_number = 3; |
0ef4bcdc | 1712 | |
d62a17ae | 1713 | uint32_t as; |
1714 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
1715 | struct listnode *node; | |
1716 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 1717 | |
d62a17ae | 1718 | if (!ospf_ri_enabled(vty)) |
1719 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1720 | |
0651460e | 1721 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1722 | vty_out(vty, "pce_neighbor: fscanf: %s\n", |
1723 | safe_strerror(errno)); | |
1724 | return CMD_WARNING_CONFIG_FAILED; | |
1725 | } | |
0ef4bcdc | 1726 | |
d62a17ae | 1727 | /* Check if the domain is not already in the domain list */ |
1728 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { | |
1729 | if (ntohl(neighbor->header.type) == 0 && as == neighbor->value) | |
1730 | return CMD_SUCCESS; | |
1731 | } | |
0ef4bcdc | 1732 | |
d62a17ae | 1733 | /* Create new domain if not found */ |
1734 | set_pce_neighbor(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1735 | |
d62a17ae | 1736 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1737 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1738 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1739 | |
d62a17ae | 1740 | return CMD_SUCCESS; |
0ef4bcdc OD |
1741 | } |
1742 | ||
1743 | DEFUN (no_pce_neighbor, | |
1744 | no_pce_neighbor_cmd, | |
6147e2c6 | 1745 | "no pce neighbor as (0-65535)", |
0ef4bcdc OD |
1746 | NO_STR |
1747 | PCE_STR | |
1748 | "Disable PCE neighbor AS number\n" | |
1749 | "AS number of PCE neighbor\n" | |
1750 | "AS number in decimal <0-65535>\n") | |
1751 | { | |
d62a17ae | 1752 | int idx_number = 4; |
0ef4bcdc | 1753 | |
d62a17ae | 1754 | uint32_t as; |
1755 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1756 | |
0651460e | 1757 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1758 | vty_out(vty, "no_pce_neighbor: fscanf: %s\n", |
1759 | safe_strerror(errno)); | |
1760 | return CMD_WARNING_CONFIG_FAILED; | |
1761 | } | |
0ef4bcdc | 1762 | |
d62a17ae | 1763 | /* Unset corresponding PCE domain */ |
1764 | unset_pce_neighbor(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1765 | |
d62a17ae | 1766 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1767 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1768 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1769 | |
d62a17ae | 1770 | return CMD_SUCCESS; |
0ef4bcdc OD |
1771 | } |
1772 | ||
1773 | DEFUN (pce_cap_flag, | |
1774 | pce_cap_flag_cmd, | |
1775 | "pce flag BITPATTERN", | |
1776 | PCE_STR | |
1777 | "Capabilities of the PCE for path computation\n" | |
1778 | "32-bit Hexadecimal value\n") | |
1779 | { | |
d62a17ae | 1780 | int idx_bitpattern = 2; |
0ef4bcdc | 1781 | |
d62a17ae | 1782 | uint32_t cap; |
1783 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1784 | |
d62a17ae | 1785 | if (!ospf_ri_enabled(vty)) |
1786 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1787 | |
d62a17ae | 1788 | if (sscanf(argv[idx_bitpattern]->arg, "0x%x", &cap) != 1) { |
1789 | vty_out(vty, "pce_cap_flag: fscanf: %s\n", | |
1790 | safe_strerror(errno)); | |
1791 | return CMD_WARNING_CONFIG_FAILED; | |
1792 | } | |
0ef4bcdc | 1793 | |
d62a17ae | 1794 | if (ntohl(pce->pce_cap_flag.header.type) == 0 |
1795 | || cap != pce->pce_cap_flag.value) { | |
1796 | set_pce_cap_flag(cap, pce); | |
0ef4bcdc | 1797 | |
d62a17ae | 1798 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1799 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1800 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1801 | } | |
0ef4bcdc | 1802 | |
d62a17ae | 1803 | return CMD_SUCCESS; |
0ef4bcdc OD |
1804 | } |
1805 | ||
1806 | DEFUN (no_pce_cap_flag, | |
1807 | no_pce_cap_flag_cmd, | |
1808 | "no pce flag", | |
1809 | NO_STR | |
1810 | PCE_STR | |
1811 | "Disable PCE capabilities\n") | |
1812 | { | |
1813 | ||
9ffaacb0 | 1814 | unset_param(&OspfRI.pce_info.pce_cap_flag); |
0ef4bcdc | 1815 | |
d62a17ae | 1816 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1817 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1818 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1819 | |
d62a17ae | 1820 | return CMD_SUCCESS; |
0ef4bcdc OD |
1821 | } |
1822 | ||
1823 | DEFUN (show_ip_ospf_router_info, | |
1824 | show_ip_ospf_router_info_cmd, | |
1825 | "show ip ospf router-info", | |
1826 | SHOW_STR | |
1827 | IP_STR | |
1828 | OSPF_STR | |
1829 | "Router Information\n") | |
1830 | { | |
1831 | ||
32ab5cf4 | 1832 | if (OspfRI.enabled) { |
d62a17ae | 1833 | vty_out(vty, "--- Router Information parameters ---\n"); |
1834 | show_vty_router_cap(vty, &OspfRI.router_cap.header); | |
1835 | } else { | |
1836 | if (vty != NULL) | |
1837 | vty_out(vty, | |
1838 | " Router Information is disabled on this router\n"); | |
1839 | } | |
1840 | return CMD_SUCCESS; | |
0ef4bcdc OD |
1841 | } |
1842 | ||
1843 | DEFUN (show_ip_opsf_router_info_pce, | |
1844 | show_ip_ospf_router_info_pce_cmd, | |
1845 | "show ip ospf router-info pce", | |
1846 | SHOW_STR | |
1847 | IP_STR | |
1848 | OSPF_STR | |
1849 | "Router Information\n" | |
1850 | "PCE information\n") | |
1851 | { | |
1852 | ||
d62a17ae | 1853 | struct ospf_pce_info *pce = &OspfRI.pce_info; |
1854 | struct listnode *node; | |
1855 | struct ri_pce_subtlv_domain *domain; | |
1856 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 1857 | |
cf9b9f77 | 1858 | if ((OspfRI.enabled) && (OspfRI.pce_info.enabled)) { |
d62a17ae | 1859 | vty_out(vty, "--- PCE parameters ---\n"); |
0ef4bcdc | 1860 | |
d62a17ae | 1861 | if (pce->pce_address.header.type != 0) |
1862 | show_vty_pce_subtlv_address(vty, | |
1863 | &pce->pce_address.header); | |
0ef4bcdc | 1864 | |
d62a17ae | 1865 | if (pce->pce_scope.header.type != 0) |
1866 | show_vty_pce_subtlv_path_scope(vty, | |
1867 | &pce->pce_scope.header); | |
0ef4bcdc | 1868 | |
d62a17ae | 1869 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { |
1870 | if (domain->header.type != 0) | |
1871 | show_vty_pce_subtlv_domain(vty, | |
1872 | &domain->header); | |
1873 | } | |
0ef4bcdc | 1874 | |
d62a17ae | 1875 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { |
1876 | if (neighbor->header.type != 0) | |
1877 | show_vty_pce_subtlv_neighbor(vty, | |
1878 | &neighbor->header); | |
1879 | } | |
0ef4bcdc | 1880 | |
d62a17ae | 1881 | if (pce->pce_cap_flag.header.type != 0) |
1882 | show_vty_pce_subtlv_cap_flag(vty, | |
1883 | &pce->pce_cap_flag.header); | |
0ef4bcdc | 1884 | |
d62a17ae | 1885 | } else { |
996c9314 | 1886 | vty_out(vty, " PCE info is disabled on this router\n"); |
d62a17ae | 1887 | } |
0ef4bcdc | 1888 | |
d62a17ae | 1889 | return CMD_SUCCESS; |
0ef4bcdc OD |
1890 | } |
1891 | ||
1892 | /* Install new CLI commands */ | |
d62a17ae | 1893 | static void ospf_router_info_register_vty(void) |
0ef4bcdc | 1894 | { |
d62a17ae | 1895 | install_element(VIEW_NODE, &show_ip_ospf_router_info_cmd); |
1896 | install_element(VIEW_NODE, &show_ip_ospf_router_info_pce_cmd); | |
1897 | ||
1898 | install_element(OSPF_NODE, &router_info_area_cmd); | |
1899 | install_element(OSPF_NODE, &no_router_info_cmd); | |
1900 | install_element(OSPF_NODE, &pce_address_cmd); | |
1901 | install_element(OSPF_NODE, &no_pce_address_cmd); | |
1902 | install_element(OSPF_NODE, &pce_path_scope_cmd); | |
1903 | install_element(OSPF_NODE, &no_pce_path_scope_cmd); | |
1904 | install_element(OSPF_NODE, &pce_domain_cmd); | |
1905 | install_element(OSPF_NODE, &no_pce_domain_cmd); | |
1906 | install_element(OSPF_NODE, &pce_neighbor_cmd); | |
1907 | install_element(OSPF_NODE, &no_pce_neighbor_cmd); | |
1908 | install_element(OSPF_NODE, &pce_cap_flag_cmd); | |
1909 | install_element(OSPF_NODE, &no_pce_cap_flag_cmd); | |
1910 | ||
1911 | return; | |
0ef4bcdc | 1912 | } |