]>
Commit | Line | Data |
---|---|---|
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" |
85c9b439 | 60 | #include "ospfd/ospf_errors.h" |
0ef4bcdc | 61 | |
ead99d5f | 62 | /* Store Router Information PCE TLV and SubTLV in network byte order. */ |
d62a17ae | 63 | struct ospf_pce_info { |
32ab5cf4 | 64 | bool enabled; |
d62a17ae | 65 | struct ri_tlv_pce pce_header; |
66 | struct ri_pce_subtlv_address pce_address; | |
67 | struct ri_pce_subtlv_path_scope pce_scope; | |
68 | struct list *pce_domain; | |
69 | struct list *pce_neighbor; | |
70 | struct ri_pce_subtlv_cap_flag pce_cap_flag; | |
0ef4bcdc OD |
71 | }; |
72 | ||
7743f2f8 OD |
73 | /* |
74 | * Store Router Information Segment Routing TLV and SubTLV | |
75 | * in network byte order | |
76 | */ | |
cf9b9f77 OD |
77 | struct ospf_ri_sr_info { |
78 | bool enabled; | |
79 | /* Algorithms supported by the node */ | |
80 | struct ri_sr_tlv_sr_algorithm algo; | |
81 | /* | |
82 | * Segment Routing Global Block i.e. label range | |
83 | * Only one range supported in this code | |
84 | */ | |
85 | struct ri_sr_tlv_sid_label_range range; | |
86 | /* Maximum SID Depth supported by the node */ | |
87 | struct ri_sr_tlv_node_msd msd; | |
88 | }; | |
89 | ||
0ef4bcdc | 90 | /* Following structure are internal use only. */ |
d62a17ae | 91 | struct ospf_router_info { |
32ab5cf4 | 92 | bool enabled; |
0ef4bcdc | 93 | |
d7c0a89a QY |
94 | uint8_t registered; |
95 | uint8_t scope; | |
0ef4bcdc | 96 | |
d62a17ae | 97 | /* Flags to manage this router information. */ |
cf9b9f77 | 98 | #define RIFLG_LSA_ENGAGED 0x1 |
ead99d5f | 99 | #define RIFLG_LSA_FORCED_REFRESH 0x2 |
d7c0a89a | 100 | uint32_t flags; |
0ef4bcdc | 101 | |
d62a17ae | 102 | /* area pointer if flooding is Type 10 Null if flooding is AS scope */ |
103 | struct ospf_area *area; | |
104 | struct in_addr area_id; | |
0ef4bcdc | 105 | |
d62a17ae | 106 | /* Store Router Information Capabilities LSA */ |
107 | struct ri_tlv_router_cap router_cap; | |
0ef4bcdc | 108 | |
d62a17ae | 109 | /* Store PCE capability LSA */ |
110 | struct ospf_pce_info pce_info; | |
cf9b9f77 OD |
111 | |
112 | /* Store SR capability LSA */ | |
113 | struct ospf_ri_sr_info sr_info; | |
0ef4bcdc OD |
114 | }; |
115 | ||
116 | /* | |
117 | * Global variable to manage Opaque-LSA/Router Information on this node. | |
118 | * Note that all parameter values are stored in network byte order. | |
119 | */ | |
120 | static struct ospf_router_info OspfRI; | |
121 | ||
122 | /*------------------------------------------------------------------------------* | |
d62a17ae | 123 | * Followings are initialize/terminate functions for Router Information |
124 | *handling. | |
0ef4bcdc OD |
125 | *------------------------------------------------------------------------------*/ |
126 | ||
d62a17ae | 127 | static void ospf_router_info_ism_change(struct ospf_interface *oi, |
128 | int old_status); | |
129 | static void ospf_router_info_nsm_change(struct ospf_neighbor *nbr, | |
130 | int old_status); | |
131 | static void ospf_router_info_config_write_router(struct vty *vty); | |
132 | static void ospf_router_info_show_info(struct vty *vty, struct ospf_lsa *lsa); | |
133 | static int ospf_router_info_lsa_originate(void *arg); | |
134 | static struct ospf_lsa *ospf_router_info_lsa_refresh(struct ospf_lsa *lsa); | |
2a39170c | 135 | static void ospf_router_info_lsa_schedule(enum lsa_opcode opcode); |
d62a17ae | 136 | static void ospf_router_info_register_vty(void); |
cf9b9f77 | 137 | static int ospf_router_info_lsa_update(struct ospf_lsa *lsa); |
d62a17ae | 138 | static void del_pce_info(void *val); |
139 | ||
140 | int ospf_router_info_init(void) | |
0ef4bcdc OD |
141 | { |
142 | ||
cf9b9f77 OD |
143 | zlog_info("RI -> Initialize Router Information"); |
144 | ||
d62a17ae | 145 | memset(&OspfRI, 0, sizeof(struct ospf_router_info)); |
32ab5cf4 | 146 | OspfRI.enabled = false; |
d62a17ae | 147 | OspfRI.registered = 0; |
148 | OspfRI.scope = OSPF_OPAQUE_AS_LSA; | |
cf9b9f77 | 149 | OspfRI.area_id.s_addr = 0; |
d62a17ae | 150 | OspfRI.flags = 0; |
0ef4bcdc | 151 | |
d62a17ae | 152 | /* Initialize pce domain and neighbor list */ |
32ab5cf4 | 153 | OspfRI.pce_info.enabled = false; |
d62a17ae | 154 | OspfRI.pce_info.pce_domain = list_new(); |
155 | OspfRI.pce_info.pce_domain->del = del_pce_info; | |
156 | OspfRI.pce_info.pce_neighbor = list_new(); | |
157 | OspfRI.pce_info.pce_neighbor->del = del_pce_info; | |
0ef4bcdc | 158 | |
cf9b9f77 OD |
159 | /* Initialize Segment Routing information structure */ |
160 | OspfRI.sr_info.enabled = false; | |
161 | ||
d62a17ae | 162 | ospf_router_info_register_vty(); |
0ef4bcdc | 163 | |
d62a17ae | 164 | return 0; |
0ef4bcdc OD |
165 | } |
166 | ||
d7c0a89a | 167 | static int ospf_router_info_register(uint8_t scope) |
0ef4bcdc | 168 | { |
d62a17ae | 169 | int rc = 0; |
170 | ||
171 | if (OspfRI.registered) | |
ead99d5f | 172 | return rc; |
d62a17ae | 173 | |
cf9b9f77 | 174 | zlog_info("RI -> Register Router Information with scope %s(%d)", |
d62a17ae | 175 | scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS", scope); |
176 | rc = ospf_register_opaque_functab( | |
177 | scope, OPAQUE_TYPE_ROUTER_INFORMATION_LSA, | |
178 | NULL, /* new interface */ | |
179 | NULL, /* del interface */ | |
996c9314 | 180 | ospf_router_info_ism_change, ospf_router_info_nsm_change, |
d62a17ae | 181 | ospf_router_info_config_write_router, |
182 | NULL, /* Config. write interface */ | |
183 | NULL, /* Config. write debug */ | |
996c9314 LB |
184 | ospf_router_info_show_info, ospf_router_info_lsa_originate, |
185 | ospf_router_info_lsa_refresh, ospf_router_info_lsa_update, | |
cf9b9f77 | 186 | NULL); /* del_lsa_hook */ |
d62a17ae | 187 | |
188 | if (rc != 0) { | |
85c9b439 DS |
189 | flog_warn(OSPF_WARN_OPAQUE_REGISTRATION, |
190 | "ospf_router_info_init: Failed to register functions"); | |
d62a17ae | 191 | return rc; |
192 | } | |
193 | ||
194 | OspfRI.registered = 1; | |
195 | OspfRI.scope = scope; | |
ead99d5f | 196 | return rc; |
0ef4bcdc OD |
197 | } |
198 | ||
bcf4475e OD |
199 | static int ospf_router_info_unregister() |
200 | { | |
201 | ||
202 | if ((OspfRI.scope != OSPF_OPAQUE_AS_LSA) | |
203 | && (OspfRI.scope != OSPF_OPAQUE_AREA_LSA)) { | |
204 | zlog_warn( | |
205 | "Unable to unregister Router Info functions: Wrong scope!"); | |
206 | return -1; | |
207 | } | |
208 | ||
209 | ospf_delete_opaque_functab(OspfRI.scope, | |
210 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
211 | ||
212 | OspfRI.registered = 0; | |
213 | return 0; | |
214 | } | |
215 | ||
d62a17ae | 216 | void ospf_router_info_term(void) |
0ef4bcdc OD |
217 | { |
218 | ||
affe9e99 DS |
219 | list_delete_and_null(&OspfRI.pce_info.pce_domain); |
220 | list_delete_and_null(&OspfRI.pce_info.pce_neighbor); | |
0ef4bcdc | 221 | |
32ab5cf4 | 222 | OspfRI.enabled = false; |
0ef4bcdc | 223 | |
bcf4475e OD |
224 | ospf_router_info_unregister(); |
225 | ||
d62a17ae | 226 | return; |
0ef4bcdc OD |
227 | } |
228 | ||
bcf4475e OD |
229 | void ospf_router_info_finish(void) |
230 | { | |
231 | list_delete_all_node(OspfRI.pce_info.pce_domain); | |
232 | list_delete_all_node(OspfRI.pce_info.pce_neighbor); | |
233 | ||
234 | OspfRI.enabled = false; | |
235 | } | |
236 | ||
d62a17ae | 237 | static void del_pce_info(void *val) |
0ef4bcdc | 238 | { |
d62a17ae | 239 | XFREE(MTYPE_OSPF_PCE_PARAMS, val); |
240 | return; | |
0ef4bcdc OD |
241 | } |
242 | ||
cf9b9f77 OD |
243 | /* Catch RI LSA flooding Scope for ospf_ext.[h,c] code */ |
244 | struct scope_info ospf_router_info_get_flooding_scope(void) | |
245 | { | |
246 | struct scope_info flooding_scope; | |
7743f2f8 | 247 | |
cf9b9f77 OD |
248 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) { |
249 | flooding_scope.scope = OSPF_OPAQUE_AS_LSA; | |
250 | flooding_scope.area_id.s_addr = 0; | |
251 | return flooding_scope; | |
252 | } | |
253 | flooding_scope.scope = OSPF_OPAQUE_AREA_LSA; | |
254 | flooding_scope.area_id.s_addr = OspfRI.area_id.s_addr; | |
255 | return flooding_scope; | |
256 | } | |
257 | ||
0ef4bcdc | 258 | /*------------------------------------------------------------------------* |
d62a17ae | 259 | * Followings are control functions for ROUTER INFORMATION parameters |
260 | *management. | |
0ef4bcdc OD |
261 | *------------------------------------------------------------------------*/ |
262 | ||
d62a17ae | 263 | static void set_router_info_capabilities(struct ri_tlv_router_cap *ric, |
d7c0a89a | 264 | uint32_t cap) |
0ef4bcdc | 265 | { |
d62a17ae | 266 | ric->header.type = htons(RI_TLV_CAPABILITIES); |
267 | ric->header.length = htons(RI_TLV_LENGTH); | |
268 | ric->value = htonl(cap); | |
269 | return; | |
0ef4bcdc OD |
270 | } |
271 | ||
d62a17ae | 272 | static int set_pce_header(struct ospf_pce_info *pce) |
0ef4bcdc | 273 | { |
d7c0a89a | 274 | uint16_t length = 0; |
d62a17ae | 275 | struct listnode *node; |
276 | struct ri_pce_subtlv_domain *domain; | |
277 | struct ri_pce_subtlv_neighbor *neighbor; | |
278 | ||
279 | /* PCE Address */ | |
280 | if (ntohs(pce->pce_address.header.type) != 0) | |
ead99d5f | 281 | length += TLV_SIZE(&pce->pce_address.header); |
d62a17ae | 282 | |
283 | /* PCE Path Scope */ | |
284 | if (ntohs(pce->pce_scope.header.type) != 0) | |
ead99d5f | 285 | length += TLV_SIZE(&pce->pce_scope.header); |
d62a17ae | 286 | |
287 | /* PCE Domain */ | |
288 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
289 | if (ntohs(domain->header.type) != 0) | |
ead99d5f | 290 | length += TLV_SIZE(&domain->header); |
d62a17ae | 291 | } |
292 | ||
293 | /* PCE Neighbor */ | |
294 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { | |
295 | if (ntohs(neighbor->header.type) != 0) | |
ead99d5f | 296 | length += TLV_SIZE(&neighbor->header); |
d62a17ae | 297 | } |
298 | ||
299 | /* PCE Capabilities */ | |
300 | if (ntohs(pce->pce_cap_flag.header.type) != 0) | |
ead99d5f | 301 | length += TLV_SIZE(&pce->pce_cap_flag.header); |
d62a17ae | 302 | |
303 | if (length != 0) { | |
304 | pce->pce_header.header.type = htons(RI_TLV_PCE); | |
305 | pce->pce_header.header.length = htons(length); | |
32ab5cf4 | 306 | pce->enabled = true; |
d62a17ae | 307 | } else { |
308 | pce->pce_header.header.type = 0; | |
309 | pce->pce_header.header.length = 0; | |
32ab5cf4 | 310 | pce->enabled = false; |
d62a17ae | 311 | } |
312 | ||
313 | return length; | |
0ef4bcdc OD |
314 | } |
315 | ||
d62a17ae | 316 | static void set_pce_address(struct in_addr ipv4, struct ospf_pce_info *pce) |
0ef4bcdc OD |
317 | { |
318 | ||
d62a17ae | 319 | /* Enable PCE Info */ |
320 | pce->pce_header.header.type = htons(RI_TLV_PCE); | |
321 | /* Set PCE Address */ | |
322 | pce->pce_address.header.type = htons(RI_PCE_SUBTLV_ADDRESS); | |
323 | pce->pce_address.header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
324 | pce->pce_address.address.type = htons(PCE_ADDRESS_TYPE_IPV4); | |
325 | pce->pce_address.address.value = ipv4; | |
0ef4bcdc | 326 | |
d62a17ae | 327 | return; |
0ef4bcdc OD |
328 | } |
329 | ||
d7c0a89a | 330 | static void set_pce_path_scope(uint32_t scope, struct ospf_pce_info *pce) |
0ef4bcdc OD |
331 | { |
332 | ||
d62a17ae | 333 | /* Set PCE Scope */ |
334 | pce->pce_scope.header.type = htons(RI_PCE_SUBTLV_PATH_SCOPE); | |
335 | pce->pce_scope.header.length = htons(RI_TLV_LENGTH); | |
336 | pce->pce_scope.value = htonl(scope); | |
0ef4bcdc | 337 | |
d62a17ae | 338 | return; |
0ef4bcdc OD |
339 | } |
340 | ||
d7c0a89a | 341 | static void set_pce_domain(uint16_t type, uint32_t domain, |
d62a17ae | 342 | struct ospf_pce_info *pce) |
0ef4bcdc OD |
343 | { |
344 | ||
d62a17ae | 345 | struct ri_pce_subtlv_domain *new; |
0ef4bcdc | 346 | |
d62a17ae | 347 | /* Create new domain info */ |
348 | new = XCALLOC(MTYPE_OSPF_PCE_PARAMS, | |
349 | sizeof(struct ri_pce_subtlv_domain)); | |
0ef4bcdc | 350 | |
d62a17ae | 351 | new->header.type = htons(RI_PCE_SUBTLV_DOMAIN); |
352 | new->header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
353 | new->type = htons(type); | |
354 | new->value = htonl(domain); | |
0ef4bcdc | 355 | |
d62a17ae | 356 | /* Add new domain to the list */ |
357 | listnode_add(pce->pce_domain, new); | |
0ef4bcdc | 358 | |
d62a17ae | 359 | return; |
0ef4bcdc OD |
360 | } |
361 | ||
d7c0a89a | 362 | static void unset_pce_domain(uint16_t type, uint32_t domain, |
d62a17ae | 363 | struct ospf_pce_info *pce) |
0ef4bcdc | 364 | { |
d62a17ae | 365 | struct listnode *node; |
366 | struct ri_pce_subtlv_domain *old = NULL; | |
367 | int found = 0; | |
368 | ||
369 | /* Search the corresponding node */ | |
370 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, old)) { | |
371 | if ((old->type == htons(type)) | |
372 | && (old->value == htonl(domain))) { | |
373 | found = 1; | |
374 | break; | |
375 | } | |
376 | } | |
377 | ||
378 | /* if found remove it */ | |
379 | if (found) { | |
380 | listnode_delete(pce->pce_domain, old); | |
381 | ||
382 | /* Avoid misjudgement in the next lookup. */ | |
383 | if (listcount(pce->pce_domain) == 0) | |
384 | pce->pce_domain->head = pce->pce_domain->tail = NULL; | |
385 | ||
386 | /* Finally free the old domain */ | |
387 | XFREE(MTYPE_OSPF_PCE_PARAMS, old); | |
388 | } | |
0ef4bcdc OD |
389 | } |
390 | ||
d7c0a89a | 391 | static void set_pce_neighbor(uint16_t type, uint32_t domain, |
d62a17ae | 392 | struct ospf_pce_info *pce) |
0ef4bcdc OD |
393 | { |
394 | ||
d62a17ae | 395 | struct ri_pce_subtlv_neighbor *new; |
0ef4bcdc | 396 | |
d62a17ae | 397 | /* Create new neighbor info */ |
398 | new = XCALLOC(MTYPE_OSPF_PCE_PARAMS, | |
399 | sizeof(struct ri_pce_subtlv_neighbor)); | |
0ef4bcdc | 400 | |
d62a17ae | 401 | new->header.type = htons(RI_PCE_SUBTLV_NEIGHBOR); |
402 | new->header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
403 | new->type = htons(type); | |
404 | new->value = htonl(domain); | |
0ef4bcdc | 405 | |
d62a17ae | 406 | /* Add new domain to the list */ |
407 | listnode_add(pce->pce_neighbor, new); | |
0ef4bcdc | 408 | |
d62a17ae | 409 | return; |
0ef4bcdc OD |
410 | } |
411 | ||
d7c0a89a | 412 | static void unset_pce_neighbor(uint16_t type, uint32_t domain, |
d62a17ae | 413 | struct ospf_pce_info *pce) |
0ef4bcdc | 414 | { |
d62a17ae | 415 | struct listnode *node; |
416 | struct ri_pce_subtlv_neighbor *old = NULL; | |
417 | int found = 0; | |
418 | ||
419 | /* Search the corresponding node */ | |
420 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, old)) { | |
421 | if ((old->type == htons(type)) | |
422 | && (old->value == htonl(domain))) { | |
423 | found = 1; | |
424 | break; | |
425 | } | |
426 | } | |
427 | ||
428 | /* if found remove it */ | |
429 | if (found) { | |
430 | listnode_delete(pce->pce_neighbor, old); | |
431 | ||
432 | /* Avoid misjudgement in the next lookup. */ | |
433 | if (listcount(pce->pce_neighbor) == 0) | |
434 | pce->pce_neighbor->head = pce->pce_neighbor->tail = | |
435 | NULL; | |
436 | ||
437 | /* Finally free the old domain */ | |
438 | XFREE(MTYPE_OSPF_PCE_PARAMS, old); | |
439 | } | |
0ef4bcdc OD |
440 | } |
441 | ||
d7c0a89a | 442 | static void set_pce_cap_flag(uint32_t cap, struct ospf_pce_info *pce) |
0ef4bcdc OD |
443 | { |
444 | ||
d62a17ae | 445 | /* Set PCE Capabilities flag */ |
446 | pce->pce_cap_flag.header.type = htons(RI_PCE_SUBTLV_CAP_FLAG); | |
447 | pce->pce_cap_flag.header.length = htons(RI_TLV_LENGTH); | |
448 | pce->pce_cap_flag.value = htonl(cap); | |
0ef4bcdc | 449 | |
d62a17ae | 450 | return; |
0ef4bcdc OD |
451 | } |
452 | ||
cf9b9f77 OD |
453 | /* Segment Routing TLV setter */ |
454 | ||
455 | /* Algorithm SubTLV - section 3.1 */ | |
93f0a26e | 456 | static void set_sr_algorithm(uint8_t algo) |
cf9b9f77 OD |
457 | { |
458 | ||
459 | OspfRI.sr_info.algo.value[0] = algo; | |
460 | for (int i = 1; i < ALGORITHM_COUNT; i++) | |
461 | OspfRI.sr_info.algo.value[i] = SR_ALGORITHM_UNSET; | |
462 | ||
463 | /* Set TLV type and length == only 1 Algorithm */ | |
464 | TLV_TYPE(OspfRI.sr_info.algo) = htons(RI_SR_TLV_SR_ALGORITHM); | |
93f0a26e | 465 | TLV_LEN(OspfRI.sr_info.algo) = htons(sizeof(uint8_t)); |
cf9b9f77 OD |
466 | } |
467 | ||
468 | /* unset Aglogithm SubTLV */ | |
93f0a26e | 469 | static void unset_sr_algorithm(uint8_t algo) |
cf9b9f77 OD |
470 | { |
471 | ||
472 | for (int i = 0; i < ALGORITHM_COUNT; i++) | |
473 | OspfRI.sr_info.algo.value[i] = SR_ALGORITHM_UNSET; | |
474 | ||
475 | /* Unset TLV type and length */ | |
476 | TLV_TYPE(OspfRI.sr_info.algo) = htons(0); | |
477 | TLV_LEN(OspfRI.sr_info.algo) = htons(0); | |
cf9b9f77 OD |
478 | } |
479 | ||
480 | /* Segment Routing Global Block SubTLV - section 3.2 */ | |
481 | static void set_sr_sid_label_range(struct sr_srgb srgb) | |
482 | { | |
483 | /* Set Header */ | |
484 | TLV_TYPE(OspfRI.sr_info.range) = htons(RI_SR_TLV_SID_LABEL_RANGE); | |
485 | TLV_LEN(OspfRI.sr_info.range) = | |
93f0a26e | 486 | htons(SUBTLV_SID_LABEL_SIZE + sizeof(uint32_t)); |
cf9b9f77 OD |
487 | /* Set Range Size */ |
488 | OspfRI.sr_info.range.size = htonl(SET_RANGE_SIZE(srgb.range_size)); | |
489 | /* Set Lower bound label SubTLV */ | |
490 | TLV_TYPE(OspfRI.sr_info.range.lower) = htons(SUBTLV_SID_LABEL); | |
491 | TLV_LEN(OspfRI.sr_info.range.lower) = htons(SID_RANGE_LABEL_LENGTH); | |
492 | OspfRI.sr_info.range.lower.value = htonl(SET_LABEL(srgb.lower_bound)); | |
cf9b9f77 OD |
493 | } |
494 | ||
495 | /* Unset this SRGB SubTLV */ | |
7743f2f8 | 496 | static void unset_sr_sid_label_range(void) |
cf9b9f77 OD |
497 | { |
498 | ||
499 | TLV_TYPE(OspfRI.sr_info.range) = htons(0); | |
500 | TLV_LEN(OspfRI.sr_info.range) = htons(0); | |
501 | TLV_TYPE(OspfRI.sr_info.range.lower) = htons(0); | |
502 | TLV_LEN(OspfRI.sr_info.range.lower) = htons(0); | |
cf9b9f77 OD |
503 | } |
504 | ||
505 | /* Set Maximum Stack Depth for this router */ | |
93f0a26e | 506 | static void set_sr_node_msd(uint8_t msd) |
cf9b9f77 OD |
507 | { |
508 | TLV_TYPE(OspfRI.sr_info.msd) = htons(RI_SR_TLV_NODE_MSD); | |
93f0a26e | 509 | TLV_LEN(OspfRI.sr_info.msd) = htons(sizeof(uint32_t)); |
cf9b9f77 | 510 | OspfRI.sr_info.msd.value = msd; |
cf9b9f77 OD |
511 | } |
512 | ||
513 | /* Unset this router MSD */ | |
7743f2f8 | 514 | static void unset_sr_node_msd(void) |
cf9b9f77 OD |
515 | { |
516 | TLV_TYPE(OspfRI.sr_info.msd) = htons(0); | |
517 | TLV_LEN(OspfRI.sr_info.msd) = htons(0); | |
cf9b9f77 | 518 | } |
0ef4bcdc | 519 | |
9ffaacb0 | 520 | static void unset_param(void *tlv_buffer) |
0ef4bcdc | 521 | { |
9ffaacb0 | 522 | struct tlv_header *tlv = (struct tlv_header *)tlv_buffer; |
0ef4bcdc | 523 | |
d62a17ae | 524 | tlv->type = 0; |
525 | /* Fill the Value to 0 */ | |
9ffaacb0 | 526 | memset(TLV_DATA(tlv_buffer), 0, TLV_BODY_SIZE(tlv)); |
d62a17ae | 527 | tlv->length = 0; |
0ef4bcdc | 528 | |
d62a17ae | 529 | return; |
0ef4bcdc OD |
530 | } |
531 | ||
d62a17ae | 532 | static void initialize_params(struct ospf_router_info *ori) |
0ef4bcdc | 533 | { |
d7c0a89a | 534 | uint32_t cap = 0; |
d62a17ae | 535 | struct ospf *top; |
536 | ||
537 | /* | |
538 | * Initialize default Router Information Capabilities. | |
539 | */ | |
ead99d5f | 540 | cap = RI_TE_SUPPORT; |
d62a17ae | 541 | |
542 | set_router_info_capabilities(&ori->router_cap, cap); | |
543 | ||
544 | /* If Area address is not null and exist, retrieve corresponding | |
545 | * structure */ | |
b5a8894d | 546 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 547 | zlog_info("RI-> Initialize Router Info for %s scope within area %s", |
548 | OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS", | |
549 | inet_ntoa(OspfRI.area_id)); | |
550 | ||
551 | /* Try to get the Area context at this step. Do it latter if not | |
552 | * available */ | |
553 | if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) | |
554 | OspfRI.area = ospf_area_lookup_by_area_id(top, OspfRI.area_id); | |
555 | ||
556 | /* | |
557 | * Initialize default PCE Information values | |
558 | */ | |
559 | /* PCE address == OSPF Router ID */ | |
560 | set_pce_address(top->router_id, &ori->pce_info); | |
561 | ||
562 | /* PCE scope */ | |
563 | cap = 7; /* Set L, R and Rd bits to one = intra & inter-area path | |
564 | computation */ | |
565 | set_pce_path_scope(cap, &ori->pce_info); | |
566 | ||
567 | /* PCE Capabilities */ | |
568 | cap = PCE_CAP_BIDIRECTIONAL | PCE_CAP_DIVERSE_PATH | PCE_CAP_OBJECTIVES | |
569 | | PCE_CAP_ADDITIVE | PCE_CAP_MULTIPLE_REQ; | |
570 | set_pce_cap_flag(cap, &ori->pce_info); | |
571 | ||
d62a17ae | 572 | return; |
0ef4bcdc OD |
573 | } |
574 | ||
d62a17ae | 575 | static int is_mandated_params_set(struct ospf_router_info ori) |
0ef4bcdc | 576 | { |
d62a17ae | 577 | int rc = 0; |
0ef4bcdc | 578 | |
d62a17ae | 579 | if (ntohs(ori.router_cap.header.type) == 0) |
ead99d5f | 580 | return rc; |
0ef4bcdc | 581 | |
d62a17ae | 582 | if ((ntohs(ori.pce_info.pce_header.header.type) == RI_TLV_PCE) |
583 | && (ntohs(ori.pce_info.pce_address.header.type) == 0) | |
584 | && (ntohs(ori.pce_info.pce_cap_flag.header.type) == 0)) | |
ead99d5f | 585 | return rc; |
0ef4bcdc | 586 | |
cf9b9f77 OD |
587 | if ((ori.sr_info.enabled) && (ntohs(TLV_TYPE(ori.sr_info.algo)) == 0) |
588 | && (ntohs(TLV_TYPE(ori.sr_info.range)) == 0)) | |
589 | return rc; | |
590 | ||
d62a17ae | 591 | rc = 1; |
0ef4bcdc | 592 | |
d62a17ae | 593 | return rc; |
0ef4bcdc OD |
594 | } |
595 | ||
cf9b9f77 OD |
596 | /* |
597 | * Used by Segment Routing to set new TLVs and Sub-TLVs values | |
598 | * | |
599 | * @param enable To activate or not Segment Routing router Information flooding | |
600 | * @param size Size of Label Range i.e. SRGB size | |
601 | * @param lower Lower bound of the Label Range i.e. SRGB first label | |
602 | * @param msd Maximum label Stack Depth suported by the router | |
603 | * | |
604 | * @return none | |
605 | */ | |
93f0a26e | 606 | void ospf_router_info_update_sr(bool enable, struct sr_srgb srgb, uint8_t msd) |
cf9b9f77 OD |
607 | { |
608 | ||
609 | /* First activate and initialize Router Information is necessary */ | |
610 | if (!OspfRI.enabled) { | |
611 | OspfRI.enabled = true; | |
612 | initialize_params(&OspfRI); | |
613 | } | |
614 | ||
615 | if (IS_DEBUG_OSPF_SR) | |
616 | zlog_debug("RI-> %s Routing Information for Segment Routing", | |
996c9314 | 617 | enable ? "Enable" : "Disable"); |
cf9b9f77 OD |
618 | |
619 | /* Unset or Set SR parameters */ | |
620 | if (!enable) { | |
621 | unset_sr_algorithm(SR_ALGORITHM_SPF); | |
622 | unset_sr_sid_label_range(); | |
623 | unset_sr_node_msd(); | |
624 | OspfRI.sr_info.enabled = false; | |
625 | } else { | |
626 | // Only SR_ALGORITHM_SPF is supported | |
627 | set_sr_algorithm(SR_ALGORITHM_SPF); | |
628 | set_sr_sid_label_range(srgb); | |
629 | if (msd != 0) | |
630 | set_sr_node_msd(msd); | |
631 | else | |
632 | unset_sr_node_msd(); | |
633 | OspfRI.sr_info.enabled = true; | |
634 | } | |
635 | ||
636 | /* Refresh if already engaged or originate RI LSA */ | |
637 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) | |
638 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); | |
639 | else | |
640 | ospf_router_info_lsa_schedule(REORIGINATE_THIS_LSA); | |
641 | } | |
642 | ||
0ef4bcdc OD |
643 | /*------------------------------------------------------------------------* |
644 | * Followings are callback functions against generic Opaque-LSAs handling. | |
645 | *------------------------------------------------------------------------*/ | |
d62a17ae | 646 | static void ospf_router_info_ism_change(struct ospf_interface *oi, |
647 | int old_state) | |
0ef4bcdc | 648 | { |
d62a17ae | 649 | /* So far, nothing to do here. */ |
650 | return; | |
0ef4bcdc OD |
651 | } |
652 | ||
d62a17ae | 653 | static void ospf_router_info_nsm_change(struct ospf_neighbor *nbr, |
654 | int old_state) | |
0ef4bcdc | 655 | { |
d62a17ae | 656 | /* So far, nothing to do here. */ |
657 | return; | |
0ef4bcdc OD |
658 | } |
659 | ||
660 | /*------------------------------------------------------------------------* | |
661 | * Followings are OSPF protocol processing functions for ROUTER INFORMATION | |
662 | *------------------------------------------------------------------------*/ | |
663 | ||
ead99d5f | 664 | static void build_tlv_header(struct stream *s, struct tlv_header *tlvh) |
0ef4bcdc OD |
665 | { |
666 | ||
ead99d5f | 667 | stream_put(s, tlvh, sizeof(struct tlv_header)); |
d62a17ae | 668 | return; |
0ef4bcdc OD |
669 | } |
670 | ||
ead99d5f | 671 | static void build_tlv(struct stream *s, struct tlv_header *tlvh) |
0ef4bcdc OD |
672 | { |
673 | ||
d62a17ae | 674 | if (ntohs(tlvh->type) != 0) { |
675 | build_tlv_header(s, tlvh); | |
5d0df50f | 676 | stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh)); |
d62a17ae | 677 | } |
678 | return; | |
0ef4bcdc OD |
679 | } |
680 | ||
d62a17ae | 681 | static void ospf_router_info_lsa_body_set(struct stream *s) |
0ef4bcdc OD |
682 | { |
683 | ||
d62a17ae | 684 | struct listnode *node; |
685 | struct ri_pce_subtlv_domain *domain; | |
686 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 687 | |
d62a17ae | 688 | /* Build Router Information TLV */ |
689 | build_tlv(s, &OspfRI.router_cap.header); | |
0ef4bcdc | 690 | |
cf9b9f77 OD |
691 | /* Build Segment Routing TLVs if enabled */ |
692 | if (OspfRI.sr_info.enabled) { | |
693 | /* Build Algorithm TLV */ | |
694 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.algo)); | |
695 | /* Build SRGB TLV */ | |
696 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.range)); | |
697 | /* Build MSD TLV */ | |
698 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.msd)); | |
699 | } | |
ead99d5f OD |
700 | |
701 | /* Add RI PCE TLV if it is set */ | |
32ab5cf4 | 702 | if (OspfRI.pce_info.enabled) { |
0ef4bcdc | 703 | |
cf9b9f77 | 704 | /* Compute PCE Info header first */ |
996c9314 | 705 | set_pce_header(&OspfRI.pce_info); |
cf9b9f77 | 706 | |
d62a17ae | 707 | /* Build PCE TLV */ |
708 | build_tlv_header(s, &OspfRI.pce_info.pce_header.header); | |
0ef4bcdc | 709 | |
d62a17ae | 710 | /* Build PCE address sub-tlv */ |
711 | build_tlv(s, &OspfRI.pce_info.pce_address.header); | |
0ef4bcdc | 712 | |
d62a17ae | 713 | /* Build PCE path scope sub-tlv */ |
714 | build_tlv(s, &OspfRI.pce_info.pce_scope.header); | |
0ef4bcdc | 715 | |
d62a17ae | 716 | /* Build PCE domain sub-tlv */ |
717 | for (ALL_LIST_ELEMENTS_RO(OspfRI.pce_info.pce_domain, node, | |
718 | domain)) | |
719 | build_tlv(s, &domain->header); | |
0ef4bcdc | 720 | |
d62a17ae | 721 | /* Build PCE neighbor sub-tlv */ |
722 | for (ALL_LIST_ELEMENTS_RO(OspfRI.pce_info.pce_neighbor, node, | |
723 | neighbor)) | |
724 | build_tlv(s, &neighbor->header); | |
0ef4bcdc | 725 | |
d62a17ae | 726 | /* Build PCE cap flag sub-tlv */ |
727 | build_tlv(s, &OspfRI.pce_info.pce_cap_flag.header); | |
728 | } | |
0ef4bcdc | 729 | |
d62a17ae | 730 | return; |
0ef4bcdc OD |
731 | } |
732 | ||
733 | /* Create new opaque-LSA. */ | |
d62a17ae | 734 | static struct ospf_lsa *ospf_router_info_lsa_new() |
0ef4bcdc | 735 | { |
d62a17ae | 736 | struct ospf *top; |
737 | struct stream *s; | |
738 | struct lsa_header *lsah; | |
739 | struct ospf_lsa *new = NULL; | |
d7c0a89a | 740 | uint8_t options, lsa_type; |
d62a17ae | 741 | struct in_addr lsa_id; |
d7c0a89a QY |
742 | uint32_t tmp; |
743 | uint16_t length; | |
d62a17ae | 744 | |
745 | /* Create a stream for LSA. */ | |
266469eb DS |
746 | s = stream_new(OSPF_MAX_LSA_SIZE); |
747 | ||
d62a17ae | 748 | lsah = (struct lsa_header *)STREAM_DATA(s); |
749 | ||
750 | options = OSPF_OPTION_E; /* Enable AS external as we flood RI with | |
751 | Opaque Type 11 */ | |
752 | options |= OSPF_OPTION_O; /* Don't forget this :-) */ | |
753 | ||
754 | lsa_type = OspfRI.scope; | |
755 | /* LSA ID == 0 for Router Information see RFC 4970 */ | |
756 | tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); | |
757 | lsa_id.s_addr = htonl(tmp); | |
758 | ||
759 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) | |
760 | zlog_debug( | |
761 | "LSA[Type%d:%s]: Create an Opaque-LSA/ROUTER INFORMATION instance", | |
762 | lsa_type, inet_ntoa(lsa_id)); | |
763 | ||
b5a8894d | 764 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 765 | |
766 | /* Set opaque-LSA header fields. */ | |
767 | lsa_header_set(s, options, lsa_type, lsa_id, top->router_id); | |
768 | ||
769 | /* Set opaque-LSA body fields. */ | |
770 | ospf_router_info_lsa_body_set(s); | |
771 | ||
772 | /* Set length. */ | |
773 | length = stream_get_endp(s); | |
774 | lsah->length = htons(length); | |
775 | ||
776 | /* Now, create an OSPF LSA instance. */ | |
5b3d4186 | 777 | new = ospf_lsa_new_and_data(length); |
d62a17ae | 778 | |
779 | new->area = OspfRI.area; /* Area must be null if the Opaque type is AS | |
780 | scope, fulfill otherwise */ | |
781 | ||
b5a8894d CS |
782 | if (new->area && new->area->ospf) |
783 | new->vrf_id = new->area->ospf->vrf_id; | |
784 | else | |
785 | new->vrf_id = VRF_DEFAULT; | |
786 | ||
d62a17ae | 787 | SET_FLAG(new->flags, OSPF_LSA_SELF); |
788 | memcpy(new->data, lsah, length); | |
789 | stream_free(s); | |
790 | ||
d62a17ae | 791 | return new; |
0ef4bcdc OD |
792 | } |
793 | ||
d62a17ae | 794 | static int ospf_router_info_lsa_originate1(void *arg) |
0ef4bcdc | 795 | { |
d62a17ae | 796 | struct ospf_lsa *new; |
797 | struct ospf *top; | |
798 | struct ospf_area *area; | |
799 | int rc = -1; | |
b5a8894d | 800 | vrf_id_t vrf_id = VRF_DEFAULT; |
d62a17ae | 801 | |
802 | /* First check if the area is known if flooding scope is Area */ | |
803 | if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) { | |
804 | area = (struct ospf_area *)arg; | |
805 | if (area->area_id.s_addr != OspfRI.area_id.s_addr) { | |
806 | zlog_debug( | |
807 | "RI -> This is not the Router Information Area. Stop processing"); | |
ead99d5f | 808 | return rc; |
d62a17ae | 809 | } |
810 | OspfRI.area = area; | |
b5a8894d CS |
811 | if (area->ospf) |
812 | vrf_id = area->ospf->vrf_id; | |
d62a17ae | 813 | } |
814 | ||
815 | /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ | |
816 | if ((new = ospf_router_info_lsa_new()) == NULL) { | |
817 | zlog_warn( | |
818 | "ospf_router_info_lsa_originate1: ospf_router_info_lsa_new() ?"); | |
ead99d5f | 819 | return rc; |
d62a17ae | 820 | } |
b5a8894d | 821 | new->vrf_id = vrf_id; |
d62a17ae | 822 | |
823 | /* Get ospf info */ | |
b5a8894d CS |
824 | top = ospf_lookup_by_vrf_id(vrf_id); |
825 | if (top == NULL) { | |
826 | zlog_debug("%s: ospf instance not found for vrf id %u", | |
827 | __PRETTY_FUNCTION__, vrf_id); | |
c2a2f37b | 828 | ospf_lsa_unlock(&new); |
b5a8894d CS |
829 | return rc; |
830 | } | |
d62a17ae | 831 | |
832 | /* Install this LSA into LSDB. */ | |
833 | if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) { | |
834 | zlog_warn( | |
835 | "ospf_router_info_lsa_originate1: ospf_lsa_install() ?"); | |
836 | ospf_lsa_unlock(&new); | |
ead99d5f | 837 | return rc; |
d62a17ae | 838 | } |
839 | ||
840 | /* Now this Router Info parameter entry has associated LSA. */ | |
841 | SET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); | |
842 | ||
843 | /* Update new LSA origination count. */ | |
844 | top->lsa_originate_count++; | |
845 | ||
846 | /* Flood new LSA through AS. */ | |
847 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
848 | ospf_flood_through_as(top, NULL /*nbr */, new); | |
849 | else | |
850 | ospf_flood_through_area(OspfRI.area, NULL /*nbr */, new); | |
851 | ||
852 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) { | |
853 | zlog_debug( | |
854 | "LSA[Type%d:%s]: Originate Opaque-LSA/ROUTER INFORMATION", | |
855 | new->data->type, inet_ntoa(new->data->id)); | |
856 | ospf_lsa_header_dump(new->data); | |
857 | } | |
858 | ||
859 | rc = 0; | |
d62a17ae | 860 | return rc; |
0ef4bcdc OD |
861 | } |
862 | ||
d62a17ae | 863 | static int ospf_router_info_lsa_originate(void *arg) |
0ef4bcdc OD |
864 | { |
865 | ||
d62a17ae | 866 | int rc = -1; |
867 | ||
32ab5cf4 | 868 | if (!OspfRI.enabled) { |
d62a17ae | 869 | zlog_info( |
870 | "ospf_router_info_lsa_originate: ROUTER INFORMATION is disabled now."); | |
871 | rc = 0; /* This is not an error case. */ | |
ead99d5f | 872 | return rc; |
d62a17ae | 873 | } |
874 | ||
875 | /* Check if Router Information LSA is already engaged */ | |
32ab5cf4 OD |
876 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) { |
877 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_FORCED_REFRESH)) { | |
ead99d5f | 878 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_FORCED_REFRESH); |
d62a17ae | 879 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
880 | } | |
881 | } else { | |
882 | if (!is_mandated_params_set(OspfRI)) | |
883 | zlog_warn( | |
884 | "ospf_router_info_lsa_originate: lacks mandated ROUTER INFORMATION parameters"); | |
885 | ||
886 | /* Ok, let's try to originate an LSA */ | |
887 | if (ospf_router_info_lsa_originate1(arg) != 0) | |
ead99d5f | 888 | return rc; |
d62a17ae | 889 | } |
890 | ||
891 | rc = 0; | |
d62a17ae | 892 | return rc; |
0ef4bcdc OD |
893 | } |
894 | ||
d62a17ae | 895 | static struct ospf_lsa *ospf_router_info_lsa_refresh(struct ospf_lsa *lsa) |
0ef4bcdc | 896 | { |
d62a17ae | 897 | struct ospf_lsa *new = NULL; |
898 | struct ospf *top; | |
899 | ||
32ab5cf4 | 900 | if (!OspfRI.enabled) { |
d62a17ae | 901 | /* |
902 | * This LSA must have flushed before due to ROUTER INFORMATION | |
903 | * status change. | |
904 | * It seems a slip among routers in the routing domain. | |
905 | */ | |
906 | zlog_info( | |
907 | "ospf_router_info_lsa_refresh: ROUTER INFORMATION is disabled now."); | |
908 | lsa->data->ls_age = | |
909 | htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */ | |
910 | } | |
911 | ||
912 | /* Verify that the Router Information ID is supported */ | |
913 | if (GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr)) != 0) { | |
914 | zlog_warn( | |
915 | "ospf_router_info_lsa_refresh: Unsupported Router Information ID"); | |
ead99d5f | 916 | return NULL; |
d62a17ae | 917 | } |
918 | ||
919 | /* If the lsa's age reached to MaxAge, start flushing procedure. */ | |
920 | if (IS_LSA_MAXAGE(lsa)) { | |
ead99d5f | 921 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); |
d62a17ae | 922 | ospf_opaque_lsa_flush_schedule(lsa); |
ead99d5f | 923 | return NULL; |
d62a17ae | 924 | } |
925 | ||
926 | /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ | |
927 | if ((new = ospf_router_info_lsa_new()) == NULL) { | |
928 | zlog_warn( | |
929 | "ospf_router_info_lsa_refresh: ospf_router_info_lsa_new() ?"); | |
ead99d5f | 930 | return NULL; |
d62a17ae | 931 | } |
932 | new->data->ls_seqnum = lsa_seqnum_increment(lsa); | |
b5a8894d | 933 | new->vrf_id = lsa->vrf_id; |
d62a17ae | 934 | |
935 | /* Install this LSA into LSDB. */ | |
936 | /* Given "lsa" will be freed in the next function. */ | |
b5a8894d | 937 | top = ospf_lookup_by_vrf_id(lsa->vrf_id); |
d62a17ae | 938 | if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) { |
939 | zlog_warn("ospf_router_info_lsa_refresh: ospf_lsa_install() ?"); | |
940 | ospf_lsa_unlock(&new); | |
ead99d5f | 941 | return new; |
d62a17ae | 942 | } |
943 | ||
944 | /* Flood updated LSA through AS or AREA depending of OspfRI.scope. */ | |
945 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
946 | ospf_flood_through_as(top, NULL /*nbr */, new); | |
947 | else | |
948 | ospf_flood_through_area(OspfRI.area, NULL /*nbr */, new); | |
949 | ||
950 | /* Debug logging. */ | |
951 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) { | |
952 | zlog_debug( | |
953 | "LSA[Type%d:%s]: Refresh Opaque-LSA/ROUTER INFORMATION", | |
954 | new->data->type, inet_ntoa(new->data->id)); | |
955 | ospf_lsa_header_dump(new->data); | |
956 | } | |
957 | ||
d62a17ae | 958 | return new; |
0ef4bcdc OD |
959 | } |
960 | ||
2a39170c | 961 | static void ospf_router_info_lsa_schedule(enum lsa_opcode opcode) |
0ef4bcdc | 962 | { |
d62a17ae | 963 | struct ospf_lsa lsa; |
964 | struct lsa_header lsah; | |
965 | struct ospf *top; | |
d7c0a89a | 966 | uint32_t tmp; |
d62a17ae | 967 | |
968 | memset(&lsa, 0, sizeof(lsa)); | |
969 | memset(&lsah, 0, sizeof(lsah)); | |
970 | ||
971 | zlog_debug("RI-> LSA schedule %s%s%s", | |
972 | opcode == REORIGINATE_THIS_LSA ? "Re-Originate" : "", | |
973 | opcode == REFRESH_THIS_LSA ? "Refresh" : "", | |
974 | opcode == FLUSH_THIS_LSA ? "Flush" : ""); | |
975 | ||
ead99d5f | 976 | /* Check LSA flags state coherence */ |
996c9314 LB |
977 | if (!CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED) |
978 | && (opcode != REORIGINATE_THIS_LSA)) | |
ead99d5f OD |
979 | return; |
980 | ||
996c9314 LB |
981 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED) |
982 | && (opcode == REORIGINATE_THIS_LSA)) | |
ead99d5f OD |
983 | opcode = REFRESH_THIS_LSA; |
984 | ||
b5a8894d | 985 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 986 | if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) { |
987 | zlog_warn( | |
988 | "ospf_router_info_lsa_schedule(): Router Info is Area scope flooding but area is not set"); | |
989 | OspfRI.area = ospf_area_lookup_by_area_id(top, OspfRI.area_id); | |
990 | } | |
991 | lsa.area = OspfRI.area; | |
992 | lsa.data = &lsah; | |
993 | lsah.type = OspfRI.scope; | |
994 | ||
995 | /* LSA ID is set to 0 for the Router Information. See RFC 4970 */ | |
996 | tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); | |
997 | lsah.id.s_addr = htonl(tmp); | |
998 | ||
999 | switch (opcode) { | |
1000 | case REORIGINATE_THIS_LSA: | |
1001 | if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) | |
1002 | ospf_opaque_lsa_reoriginate_schedule( | |
1003 | (void *)OspfRI.area, OSPF_OPAQUE_AREA_LSA, | |
1004 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
1005 | else | |
1006 | ospf_opaque_lsa_reoriginate_schedule( | |
1007 | (void *)top, OSPF_OPAQUE_AS_LSA, | |
1008 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
1009 | break; | |
1010 | case REFRESH_THIS_LSA: | |
1011 | ospf_opaque_lsa_refresh_schedule(&lsa); | |
1012 | break; | |
1013 | case FLUSH_THIS_LSA: | |
ead99d5f | 1014 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); |
d62a17ae | 1015 | ospf_opaque_lsa_flush_schedule(&lsa); |
1016 | break; | |
1017 | default: | |
1018 | zlog_warn("ospf_router_info_lsa_schedule: Unknown opcode (%u)", | |
1019 | opcode); | |
1020 | break; | |
1021 | } | |
1022 | ||
1023 | return; | |
0ef4bcdc OD |
1024 | } |
1025 | ||
cf9b9f77 OD |
1026 | /* Callback to handle Segment Routing information */ |
1027 | static int ospf_router_info_lsa_update(struct ospf_lsa *lsa) | |
1028 | { | |
1029 | ||
1030 | /* Sanity Check */ | |
1031 | if (lsa == NULL) { | |
7743f2f8 | 1032 | zlog_warn("OSPF-RI (%s): Abort! LSA is NULL", __func__); |
cf9b9f77 OD |
1033 | return -1; |
1034 | } | |
1035 | ||
6aaf0fdd OD |
1036 | /* Process only Opaque LSA */ |
1037 | if ((lsa->data->type != OSPF_OPAQUE_AREA_LSA) | |
1038 | && (lsa->data->type != OSPF_OPAQUE_AS_LSA)) | |
cf9b9f77 OD |
1039 | return 0; |
1040 | ||
1041 | /* Process only Router Information LSA */ | |
996c9314 LB |
1042 | if (GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)) |
1043 | != OPAQUE_TYPE_ROUTER_INFORMATION_LSA) | |
cf9b9f77 OD |
1044 | return 0; |
1045 | ||
6aaf0fdd OD |
1046 | /* Check if it is not my LSA */ |
1047 | if (IS_LSA_SELF(lsa)) | |
1048 | return 0; | |
1049 | ||
cf9b9f77 OD |
1050 | /* Check if Router Info & Segment Routing are enable */ |
1051 | if (!OspfRI.enabled || !OspfRI.sr_info.enabled) | |
1052 | return 0; | |
1053 | ||
1054 | /* Call Segment Routing LSA update or deletion */ | |
1055 | if (!IS_LSA_MAXAGE(lsa)) | |
1056 | ospf_sr_ri_lsa_update(lsa); | |
1057 | else | |
1058 | ospf_sr_ri_lsa_delete(lsa); | |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | ||
0ef4bcdc OD |
1063 | /*------------------------------------------------------------------------* |
1064 | * Followings are vty session control functions. | |
1065 | *------------------------------------------------------------------------*/ | |
1066 | ||
d7c0a89a | 1067 | static uint16_t show_vty_router_cap(struct vty *vty, struct tlv_header *tlvh) |
0ef4bcdc | 1068 | { |
d62a17ae | 1069 | struct ri_tlv_router_cap *top = (struct ri_tlv_router_cap *)tlvh; |
0ef4bcdc | 1070 | |
d62a17ae | 1071 | if (vty != NULL) |
1072 | vty_out(vty, " Router Capabilities: 0x%x\n", | |
1073 | ntohl(top->value)); | |
1074 | else | |
1075 | zlog_debug(" Router Capabilities: 0x%x", ntohl(top->value)); | |
0ef4bcdc | 1076 | |
ead99d5f | 1077 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1078 | } |
1079 | ||
d7c0a89a QY |
1080 | static uint16_t show_vty_pce_subtlv_address(struct vty *vty, |
1081 | struct tlv_header *tlvh) | |
0ef4bcdc | 1082 | { |
d62a17ae | 1083 | struct ri_pce_subtlv_address *top = |
1084 | (struct ri_pce_subtlv_address *)tlvh; | |
1085 | ||
1086 | if (ntohs(top->address.type) == PCE_ADDRESS_TYPE_IPV4) { | |
1087 | if (vty != NULL) | |
1088 | vty_out(vty, " PCE Address: %s\n", | |
1089 | inet_ntoa(top->address.value)); | |
1090 | else | |
1091 | zlog_debug(" PCE Address: %s", | |
1092 | inet_ntoa(top->address.value)); | |
1093 | } else { | |
1094 | /* TODO: Add support to IPv6 with inet_ntop() */ | |
1095 | if (vty != NULL) | |
1096 | vty_out(vty, " PCE Address: 0x%x\n", | |
1097 | ntohl(top->address.value.s_addr)); | |
1098 | else | |
1099 | zlog_debug(" PCE Address: 0x%x", | |
1100 | ntohl(top->address.value.s_addr)); | |
1101 | } | |
1102 | ||
ead99d5f | 1103 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1104 | } |
1105 | ||
d7c0a89a QY |
1106 | static uint16_t show_vty_pce_subtlv_path_scope(struct vty *vty, |
1107 | struct tlv_header *tlvh) | |
0ef4bcdc | 1108 | { |
d62a17ae | 1109 | struct ri_pce_subtlv_path_scope *top = |
1110 | (struct ri_pce_subtlv_path_scope *)tlvh; | |
0ef4bcdc | 1111 | |
d62a17ae | 1112 | if (vty != NULL) |
1113 | vty_out(vty, " PCE Path Scope: 0x%x\n", ntohl(top->value)); | |
1114 | else | |
1115 | zlog_debug(" PCE Path Scope: 0x%x", ntohl(top->value)); | |
0ef4bcdc | 1116 | |
ead99d5f | 1117 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1118 | } |
1119 | ||
d7c0a89a QY |
1120 | static uint16_t show_vty_pce_subtlv_domain(struct vty *vty, |
1121 | struct tlv_header *tlvh) | |
0ef4bcdc | 1122 | { |
d62a17ae | 1123 | struct ri_pce_subtlv_domain *top = (struct ri_pce_subtlv_domain *)tlvh; |
1124 | struct in_addr tmp; | |
1125 | ||
1126 | if (ntohs(top->type) == PCE_DOMAIN_TYPE_AREA) { | |
1127 | tmp.s_addr = top->value; | |
1128 | if (vty != NULL) | |
1129 | vty_out(vty, " PCE domain Area: %s\n", inet_ntoa(tmp)); | |
1130 | else | |
1131 | zlog_debug(" PCE domain Area: %s", inet_ntoa(tmp)); | |
1132 | } else { | |
1133 | if (vty != NULL) | |
1134 | vty_out(vty, " PCE domain AS: %d\n", | |
1135 | ntohl(top->value)); | |
1136 | else | |
1137 | zlog_debug(" PCE domain AS: %d", ntohl(top->value)); | |
1138 | } | |
ead99d5f | 1139 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1140 | } |
1141 | ||
d7c0a89a QY |
1142 | static uint16_t show_vty_pce_subtlv_neighbor(struct vty *vty, |
1143 | struct tlv_header *tlvh) | |
0ef4bcdc OD |
1144 | { |
1145 | ||
d62a17ae | 1146 | struct ri_pce_subtlv_neighbor *top = |
1147 | (struct ri_pce_subtlv_neighbor *)tlvh; | |
1148 | struct in_addr tmp; | |
1149 | ||
1150 | if (ntohs(top->type) == PCE_DOMAIN_TYPE_AREA) { | |
1151 | tmp.s_addr = top->value; | |
1152 | if (vty != NULL) | |
1153 | vty_out(vty, " PCE neighbor Area: %s\n", | |
1154 | inet_ntoa(tmp)); | |
1155 | else | |
1156 | zlog_debug(" PCE neighbor Area: %s", inet_ntoa(tmp)); | |
1157 | } else { | |
1158 | if (vty != NULL) | |
1159 | vty_out(vty, " PCE neighbor AS: %d\n", | |
1160 | ntohl(top->value)); | |
1161 | else | |
1162 | zlog_debug(" PCE neighbor AS: %d", | |
1163 | ntohl(top->value)); | |
1164 | } | |
ead99d5f | 1165 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1166 | } |
1167 | ||
d7c0a89a QY |
1168 | static uint16_t show_vty_pce_subtlv_cap_flag(struct vty *vty, |
1169 | struct tlv_header *tlvh) | |
0ef4bcdc | 1170 | { |
d62a17ae | 1171 | struct ri_pce_subtlv_cap_flag *top = |
1172 | (struct ri_pce_subtlv_cap_flag *)tlvh; | |
0ef4bcdc | 1173 | |
d62a17ae | 1174 | if (vty != NULL) |
1175 | vty_out(vty, " PCE Capabilities Flag: 0x%x\n", | |
1176 | ntohl(top->value)); | |
1177 | else | |
1178 | zlog_debug(" PCE Capabilities Flag: 0x%x", | |
1179 | ntohl(top->value)); | |
0ef4bcdc | 1180 | |
ead99d5f | 1181 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1182 | } |
1183 | ||
d7c0a89a | 1184 | static uint16_t show_vty_unknown_tlv(struct vty *vty, struct tlv_header *tlvh) |
0ef4bcdc | 1185 | { |
d62a17ae | 1186 | if (vty != NULL) |
1187 | vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n", | |
1188 | ntohs(tlvh->type), ntohs(tlvh->length)); | |
1189 | else | |
1190 | zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]", | |
1191 | ntohs(tlvh->type), ntohs(tlvh->length)); | |
1192 | ||
ead99d5f | 1193 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1194 | } |
1195 | ||
d7c0a89a QY |
1196 | static uint16_t show_vty_pce_info(struct vty *vty, struct tlv_header *ri, |
1197 | uint32_t total) | |
0ef4bcdc | 1198 | { |
ead99d5f | 1199 | struct tlv_header *tlvh; |
d7c0a89a | 1200 | uint16_t sum = 0; |
d62a17ae | 1201 | |
ead99d5f | 1202 | for (tlvh = ri; sum < total; tlvh = TLV_HDR_NEXT(tlvh)) { |
d62a17ae | 1203 | switch (ntohs(tlvh->type)) { |
1204 | case RI_PCE_SUBTLV_ADDRESS: | |
1205 | sum += show_vty_pce_subtlv_address(vty, tlvh); | |
1206 | break; | |
1207 | case RI_PCE_SUBTLV_PATH_SCOPE: | |
1208 | sum += show_vty_pce_subtlv_path_scope(vty, tlvh); | |
1209 | break; | |
1210 | case RI_PCE_SUBTLV_DOMAIN: | |
1211 | sum += show_vty_pce_subtlv_domain(vty, tlvh); | |
1212 | break; | |
1213 | case RI_PCE_SUBTLV_NEIGHBOR: | |
1214 | sum += show_vty_pce_subtlv_neighbor(vty, tlvh); | |
1215 | break; | |
1216 | case RI_PCE_SUBTLV_CAP_FLAG: | |
1217 | sum += show_vty_pce_subtlv_cap_flag(vty, tlvh); | |
1218 | break; | |
1219 | default: | |
1220 | sum += show_vty_unknown_tlv(vty, tlvh); | |
1221 | break; | |
1222 | } | |
1223 | } | |
1224 | return sum; | |
0ef4bcdc OD |
1225 | } |
1226 | ||
cf9b9f77 | 1227 | /* Display Segment Routing Algorithm TLV information */ |
93f0a26e | 1228 | static uint16_t show_vty_sr_algorithm(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1229 | { |
1230 | struct ri_sr_tlv_sr_algorithm *algo = | |
1231 | (struct ri_sr_tlv_sr_algorithm *)tlvh; | |
1232 | int i; | |
7743f2f8 | 1233 | |
cf9b9f77 OD |
1234 | if (vty != NULL) { |
1235 | vty_out(vty, " Segment Routing Algorithm TLV:\n"); | |
1236 | for (i = 0; i < ntohs(algo->header.length); i++) { | |
1237 | switch (algo->value[i]) { | |
1238 | case 0: | |
1239 | vty_out(vty, " Algorithm %d: SPF\n", i); | |
1240 | break; | |
1241 | case 1: | |
1242 | vty_out(vty, " Algorithm %d: Strict SPF\n", | |
1243 | i); | |
1244 | break; | |
1245 | default: | |
1246 | vty_out(vty, | |
1247 | " Algorithm %d: Unknown value %d\n", i, | |
1248 | algo->value[i]); | |
1249 | break; | |
1250 | } | |
1251 | } | |
1252 | } | |
1253 | ||
1254 | else { | |
1255 | zlog_debug(" Segment Routing Algorithm TLV:\n"); | |
1256 | for (i = 0; i < ntohs(algo->header.length); i++) | |
1257 | switch (algo->value[i]) { | |
1258 | case 0: | |
1259 | zlog_debug(" Algorithm %d: SPF\n", i); | |
1260 | break; | |
1261 | case 1: | |
1262 | zlog_debug(" Algorithm %d: Strict SPF\n", i); | |
1263 | break; | |
1264 | default: | |
1265 | zlog_debug( | |
1266 | " Algorithm %d: Unknown value %d\n", | |
1267 | i, algo->value[i]); | |
1268 | break; | |
1269 | } | |
1270 | } | |
1271 | ||
1272 | return TLV_SIZE(tlvh); | |
1273 | } | |
1274 | ||
1275 | /* Display Segment Routing SID/Label Range TLV information */ | |
93f0a26e | 1276 | static uint16_t show_vty_sr_range(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1277 | { |
1278 | struct ri_sr_tlv_sid_label_range *range = | |
1279 | (struct ri_sr_tlv_sid_label_range *)tlvh; | |
1280 | ||
1281 | if (vty != NULL) { | |
1282 | vty_out(vty, | |
1283 | " Segment Routing Range TLV:\n" | |
1284 | " Range Size = %d\n" | |
1285 | " SID Label = %d\n\n", | |
1286 | GET_RANGE_SIZE(ntohl(range->size)), | |
1287 | GET_LABEL(ntohl(range->lower.value))); | |
1288 | } else { | |
1289 | zlog_debug( | |
1290 | " Segment Routing Range TLV:\n" | |
1291 | " Range Size = %d\n" | |
1292 | " SID Label = %d\n\n", | |
1293 | GET_RANGE_SIZE(ntohl(range->size)), | |
1294 | GET_LABEL(ntohl(range->lower.value))); | |
1295 | } | |
1296 | ||
1297 | return TLV_SIZE(tlvh); | |
1298 | } | |
1299 | ||
1300 | /* Display Segment Routing Maximum Stack Depth TLV information */ | |
93f0a26e | 1301 | static uint16_t show_vty_sr_msd(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1302 | { |
1303 | struct ri_sr_tlv_node_msd *msd = (struct ri_sr_tlv_node_msd *)tlvh; | |
1304 | ||
1305 | if (vty != NULL) { | |
1306 | vty_out(vty, | |
1307 | " Segment Routing MSD TLV:\n" | |
1308 | " Node Maximum Stack Depth = %d\n", | |
1309 | msd->value); | |
1310 | } else { | |
1311 | zlog_debug( | |
1312 | " Segment Routing MSD TLV:\n" | |
1313 | " Node Maximum Stack Depth = %d\n", | |
1314 | msd->value); | |
1315 | } | |
1316 | ||
1317 | return TLV_SIZE(tlvh); | |
1318 | } | |
1319 | ||
d62a17ae | 1320 | static void ospf_router_info_show_info(struct vty *vty, struct ospf_lsa *lsa) |
0ef4bcdc | 1321 | { |
d62a17ae | 1322 | struct lsa_header *lsah = (struct lsa_header *)lsa->data; |
ead99d5f | 1323 | struct tlv_header *tlvh; |
d7c0a89a | 1324 | uint16_t length = 0, sum = 0; |
d62a17ae | 1325 | |
1326 | /* Initialize TLV browsing */ | |
1327 | length = ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE; | |
1328 | ||
ead99d5f OD |
1329 | for (tlvh = TLV_HDR_TOP(lsah); sum < length; |
1330 | tlvh = TLV_HDR_NEXT(tlvh)) { | |
d62a17ae | 1331 | switch (ntohs(tlvh->type)) { |
1332 | case RI_TLV_CAPABILITIES: | |
1333 | sum += show_vty_router_cap(vty, tlvh); | |
1334 | break; | |
1335 | case RI_TLV_PCE: | |
1336 | tlvh++; | |
ead99d5f | 1337 | sum += TLV_HDR_SIZE; |
d62a17ae | 1338 | sum += show_vty_pce_info(vty, tlvh, length - sum); |
1339 | break; | |
cf9b9f77 OD |
1340 | case RI_SR_TLV_SR_ALGORITHM: |
1341 | sum += show_vty_sr_algorithm(vty, tlvh); | |
1342 | break; | |
1343 | case RI_SR_TLV_SID_LABEL_RANGE: | |
1344 | sum += show_vty_sr_range(vty, tlvh); | |
1345 | break; | |
1346 | case RI_SR_TLV_NODE_MSD: | |
1347 | sum += show_vty_sr_msd(vty, tlvh); | |
1348 | break; | |
1349 | ||
d62a17ae | 1350 | default: |
1351 | sum += show_vty_unknown_tlv(vty, tlvh); | |
1352 | break; | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | return; | |
0ef4bcdc OD |
1357 | } |
1358 | ||
d62a17ae | 1359 | static void ospf_router_info_config_write_router(struct vty *vty) |
0ef4bcdc | 1360 | { |
d62a17ae | 1361 | struct ospf_pce_info *pce = &OspfRI.pce_info; |
1362 | struct listnode *node; | |
1363 | struct ri_pce_subtlv_domain *domain; | |
1364 | struct ri_pce_subtlv_neighbor *neighbor; | |
1365 | struct in_addr tmp; | |
1366 | ||
cf9b9f77 OD |
1367 | if (!OspfRI.enabled) |
1368 | return; | |
1369 | ||
1370 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
1371 | vty_out(vty, " router-info as\n"); | |
1372 | else | |
1373 | vty_out(vty, " router-info area %s\n", | |
1374 | inet_ntoa(OspfRI.area_id)); | |
1375 | ||
1376 | if (OspfRI.pce_info.enabled) { | |
1377 | ||
1378 | if (pce->pce_address.header.type != 0) | |
1379 | vty_out(vty, " pce address %s\n", | |
1380 | inet_ntoa(pce->pce_address.address.value)); | |
1381 | ||
1382 | if (pce->pce_cap_flag.header.type != 0) | |
1383 | vty_out(vty, " pce flag 0x%x\n", | |
1384 | ntohl(pce->pce_cap_flag.value)); | |
1385 | ||
1386 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
1387 | if (domain->header.type != 0) { | |
1388 | if (domain->type == PCE_DOMAIN_TYPE_AREA) { | |
1389 | tmp.s_addr = domain->value; | |
1390 | vty_out(vty, " pce domain area %s\n", | |
1391 | inet_ntoa(tmp)); | |
1392 | } else { | |
1393 | vty_out(vty, " pce domain as %d\n", | |
1394 | ntohl(domain->value)); | |
d62a17ae | 1395 | } |
1396 | } | |
cf9b9f77 | 1397 | } |
d62a17ae | 1398 | |
cf9b9f77 OD |
1399 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { |
1400 | if (neighbor->header.type != 0) { | |
1401 | if (neighbor->type == PCE_DOMAIN_TYPE_AREA) { | |
1402 | tmp.s_addr = neighbor->value; | |
1403 | vty_out(vty, " pce neighbor area %s\n", | |
1404 | inet_ntoa(tmp)); | |
1405 | } else { | |
1406 | vty_out(vty, " pce neighbor as %d\n", | |
1407 | ntohl(neighbor->value)); | |
d62a17ae | 1408 | } |
1409 | } | |
ead99d5f | 1410 | } |
cf9b9f77 OD |
1411 | |
1412 | if (pce->pce_scope.header.type != 0) | |
1413 | vty_out(vty, " pce scope 0x%x\n", | |
1414 | ntohl(OspfRI.pce_info.pce_scope.value)); | |
d62a17ae | 1415 | } |
1416 | return; | |
0ef4bcdc OD |
1417 | } |
1418 | ||
1419 | /*------------------------------------------------------------------------* | |
1420 | * Followings are vty command functions. | |
1421 | *------------------------------------------------------------------------*/ | |
1422 | ||
1423 | DEFUN (router_info, | |
1424 | router_info_area_cmd, | |
692b4c65 | 1425 | "router-info <as|area A.B.C.D>", |
0ef4bcdc | 1426 | OSPF_RI_STR |
692b4c65 | 1427 | "Enable the Router Information functionality with AS flooding scope\n" |
0ef4bcdc | 1428 | "Enable the Router Information functionality with Area flooding scope\n" |
efd7904e | 1429 | "OSPF area ID in IP format\n") |
0ef4bcdc | 1430 | { |
d62a17ae | 1431 | int idx_ipv4 = 2; |
1432 | char *area = (argc == 3) ? argv[idx_ipv4]->arg : NULL; | |
1433 | ||
d7c0a89a | 1434 | uint8_t scope; |
d62a17ae | 1435 | |
32ab5cf4 | 1436 | if (OspfRI.enabled) |
d62a17ae | 1437 | return CMD_SUCCESS; |
1438 | ||
1439 | /* Check and get Area value if present */ | |
1440 | if (area) { | |
1441 | if (!inet_aton(area, &OspfRI.area_id)) { | |
1442 | vty_out(vty, "%% specified Area ID %s is invalid\n", | |
1443 | area); | |
1444 | return CMD_WARNING_CONFIG_FAILED; | |
1445 | } | |
1446 | scope = OSPF_OPAQUE_AREA_LSA; | |
1447 | } else { | |
1448 | OspfRI.area_id.s_addr = 0; | |
1449 | scope = OSPF_OPAQUE_AS_LSA; | |
1450 | } | |
1451 | ||
1452 | /* First start to register Router Information callbacks */ | |
1453 | if ((ospf_router_info_register(scope)) != 0) { | |
1454 | zlog_warn( | |
ead99d5f | 1455 | "Unable to register Router Information callbacks. Abort!"); |
d62a17ae | 1456 | return CMD_WARNING_CONFIG_FAILED; |
1457 | } | |
1458 | ||
32ab5cf4 | 1459 | OspfRI.enabled = true; |
d62a17ae | 1460 | |
1461 | if (IS_DEBUG_OSPF_EVENT) | |
1462 | zlog_debug("RI-> Router Information (%s flooding): OFF -> ON", | |
1463 | OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" | |
1464 | : "AS"); | |
1465 | ||
1466 | /* | |
1467 | * Following code is intended to handle two cases; | |
1468 | * | |
1469 | * 1) Router Information was disabled at startup time, but now become | |
1470 | * enabled. | |
1471 | * 2) Router Information was once enabled then disabled, and now enabled | |
1472 | * again. | |
1473 | */ | |
1474 | ||
1475 | initialize_params(&OspfRI); | |
1476 | ||
1477 | /* Refresh RI LSA if already engaged */ | |
32ab5cf4 | 1478 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) { |
996c9314 LB |
1479 | zlog_debug("RI-> Refresh LSA following configuration"); |
1480 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); | |
ead99d5f | 1481 | } else { |
d62a17ae | 1482 | zlog_debug("RI-> Initial origination following configuration"); |
1483 | ospf_router_info_lsa_schedule(REORIGINATE_THIS_LSA); | |
1484 | } | |
1485 | return CMD_SUCCESS; | |
0ef4bcdc OD |
1486 | } |
1487 | ||
0ef4bcdc OD |
1488 | |
1489 | DEFUN (no_router_info, | |
1490 | no_router_info_cmd, | |
1491 | "no router-info", | |
1492 | NO_STR | |
1493 | "Disable the Router Information functionality\n") | |
1494 | { | |
1495 | ||
32ab5cf4 | 1496 | if (!OspfRI.enabled) |
d62a17ae | 1497 | return CMD_SUCCESS; |
0ef4bcdc | 1498 | |
d62a17ae | 1499 | if (IS_DEBUG_OSPF_EVENT) |
1500 | zlog_debug("RI-> Router Information: ON -> OFF"); | |
0ef4bcdc | 1501 | |
32ab5cf4 | 1502 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1503 | ospf_router_info_lsa_schedule(FLUSH_THIS_LSA); |
0ef4bcdc | 1504 | |
32ab5cf4 | 1505 | OspfRI.enabled = false; |
0ef4bcdc | 1506 | |
d62a17ae | 1507 | return CMD_SUCCESS; |
0ef4bcdc OD |
1508 | } |
1509 | ||
d62a17ae | 1510 | static int ospf_ri_enabled(struct vty *vty) |
284a4a0c | 1511 | { |
32ab5cf4 | 1512 | if (OspfRI.enabled) |
d62a17ae | 1513 | return 1; |
284a4a0c | 1514 | |
d62a17ae | 1515 | if (vty) |
1516 | vty_out(vty, "%% OSPF RI is not turned on\n"); | |
284a4a0c | 1517 | |
d62a17ae | 1518 | return 0; |
284a4a0c DS |
1519 | } |
1520 | ||
0ef4bcdc OD |
1521 | DEFUN (pce_address, |
1522 | pce_address_cmd, | |
1523 | "pce address A.B.C.D", | |
1524 | PCE_STR | |
1525 | "Stable IP address of the PCE\n" | |
1526 | "PCE address in IPv4 address format\n") | |
1527 | { | |
d62a17ae | 1528 | int idx_ipv4 = 2; |
1529 | struct in_addr value; | |
1530 | struct ospf_pce_info *pi = &OspfRI.pce_info; | |
0ef4bcdc | 1531 | |
d62a17ae | 1532 | if (!ospf_ri_enabled(vty)) |
1533 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1534 | |
d62a17ae | 1535 | if (!inet_aton(argv[idx_ipv4]->arg, &value)) { |
1536 | vty_out(vty, "Please specify PCE Address by A.B.C.D\n"); | |
1537 | return CMD_WARNING_CONFIG_FAILED; | |
1538 | } | |
0ef4bcdc | 1539 | |
d62a17ae | 1540 | if (ntohs(pi->pce_address.header.type) == 0 |
1541 | || ntohl(pi->pce_address.address.value.s_addr) | |
1542 | != ntohl(value.s_addr)) { | |
0ef4bcdc | 1543 | |
d62a17ae | 1544 | set_pce_address(value, pi); |
0ef4bcdc | 1545 | |
d62a17ae | 1546 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1547 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1548 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1549 | } | |
0ef4bcdc | 1550 | |
d62a17ae | 1551 | return CMD_SUCCESS; |
0ef4bcdc OD |
1552 | } |
1553 | ||
1554 | DEFUN (no_pce_address, | |
1555 | no_pce_address_cmd, | |
2328428d | 1556 | "no pce address [A.B.C.D]", |
0ef4bcdc OD |
1557 | NO_STR |
1558 | PCE_STR | |
59768a63 DS |
1559 | "Disable PCE address\n" |
1560 | "PCE address in IPv4 address format\n") | |
0ef4bcdc OD |
1561 | { |
1562 | ||
9ffaacb0 | 1563 | unset_param(&OspfRI.pce_info.pce_address); |
0ef4bcdc | 1564 | |
d62a17ae | 1565 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1566 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1567 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1568 | |
d62a17ae | 1569 | return CMD_SUCCESS; |
0ef4bcdc OD |
1570 | } |
1571 | ||
1572 | DEFUN (pce_path_scope, | |
1573 | pce_path_scope_cmd, | |
1574 | "pce scope BITPATTERN", | |
1575 | PCE_STR | |
1576 | "Path scope visibilities of the PCE for path computation\n" | |
1577 | "32-bit Hexadecimal value\n") | |
1578 | { | |
d62a17ae | 1579 | int idx_bitpattern = 2; |
1580 | uint32_t scope; | |
1581 | struct ospf_pce_info *pi = &OspfRI.pce_info; | |
0ef4bcdc | 1582 | |
d62a17ae | 1583 | if (!ospf_ri_enabled(vty)) |
1584 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1585 | |
d62a17ae | 1586 | if (sscanf(argv[idx_bitpattern]->arg, "0x%x", &scope) != 1) { |
1587 | vty_out(vty, "pce_path_scope: fscanf: %s\n", | |
1588 | safe_strerror(errno)); | |
1589 | return CMD_WARNING_CONFIG_FAILED; | |
1590 | } | |
0ef4bcdc | 1591 | |
d62a17ae | 1592 | if (ntohl(pi->pce_scope.header.type) == 0 |
1593 | || scope != pi->pce_scope.value) { | |
1594 | set_pce_path_scope(scope, pi); | |
0ef4bcdc | 1595 | |
d62a17ae | 1596 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1597 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1598 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1599 | } | |
0ef4bcdc | 1600 | |
d62a17ae | 1601 | return CMD_SUCCESS; |
0ef4bcdc OD |
1602 | } |
1603 | ||
1604 | DEFUN (no_pce_path_scope, | |
1605 | no_pce_path_scope_cmd, | |
2328428d | 1606 | "no pce scope [BITPATTERN]", |
0ef4bcdc OD |
1607 | NO_STR |
1608 | PCE_STR | |
59768a63 DS |
1609 | "Disable PCE path scope\n" |
1610 | "32-bit Hexadecimal value\n") | |
0ef4bcdc OD |
1611 | { |
1612 | ||
9ffaacb0 | 1613 | unset_param(&OspfRI.pce_info.pce_address); |
0ef4bcdc | 1614 | |
d62a17ae | 1615 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1616 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1617 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1618 | |
d62a17ae | 1619 | return CMD_SUCCESS; |
0ef4bcdc OD |
1620 | } |
1621 | ||
1622 | DEFUN (pce_domain, | |
1623 | pce_domain_cmd, | |
6147e2c6 | 1624 | "pce domain as (0-65535)", |
0ef4bcdc OD |
1625 | PCE_STR |
1626 | "Configure PCE domain AS number\n" | |
1627 | "AS number where the PCE as visibilities for path computation\n" | |
1628 | "AS number in decimal <0-65535>\n") | |
1629 | { | |
d62a17ae | 1630 | int idx_number = 3; |
0ef4bcdc | 1631 | |
d62a17ae | 1632 | uint32_t as; |
1633 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
1634 | struct listnode *node; | |
1635 | struct ri_pce_subtlv_domain *domain; | |
0ef4bcdc | 1636 | |
d62a17ae | 1637 | if (!ospf_ri_enabled(vty)) |
1638 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1639 | |
0651460e | 1640 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1641 | vty_out(vty, "pce_domain: fscanf: %s\n", safe_strerror(errno)); |
1642 | return CMD_WARNING_CONFIG_FAILED; | |
1643 | } | |
0ef4bcdc | 1644 | |
d62a17ae | 1645 | /* Check if the domain is not already in the domain list */ |
1646 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
1647 | if (ntohl(domain->header.type) == 0 && as == domain->value) | |
1648 | return CMD_SUCCESS; | |
1649 | } | |
0ef4bcdc | 1650 | |
d62a17ae | 1651 | /* Create new domain if not found */ |
1652 | set_pce_domain(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1653 | |
d62a17ae | 1654 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1655 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1656 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1657 | |
d62a17ae | 1658 | return CMD_SUCCESS; |
0ef4bcdc OD |
1659 | } |
1660 | ||
1661 | DEFUN (no_pce_domain, | |
1662 | no_pce_domain_cmd, | |
6147e2c6 | 1663 | "no pce domain as (0-65535)", |
0ef4bcdc OD |
1664 | NO_STR |
1665 | PCE_STR | |
1666 | "Disable PCE domain AS number\n" | |
1667 | "AS number where the PCE as visibilities for path computation\n" | |
1668 | "AS number in decimal <0-65535>\n") | |
1669 | { | |
d62a17ae | 1670 | int idx_number = 4; |
0ef4bcdc | 1671 | |
d62a17ae | 1672 | uint32_t as; |
1673 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1674 | |
0651460e | 1675 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1676 | vty_out(vty, "no_pce_domain: fscanf: %s\n", |
1677 | safe_strerror(errno)); | |
1678 | return CMD_WARNING_CONFIG_FAILED; | |
1679 | } | |
0ef4bcdc | 1680 | |
d62a17ae | 1681 | /* Unset corresponding PCE domain */ |
1682 | unset_pce_domain(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1683 | |
d62a17ae | 1684 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1685 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1686 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1687 | |
d62a17ae | 1688 | return CMD_SUCCESS; |
0ef4bcdc OD |
1689 | } |
1690 | ||
1691 | DEFUN (pce_neigbhor, | |
1692 | pce_neighbor_cmd, | |
6147e2c6 | 1693 | "pce neighbor as (0-65535)", |
0ef4bcdc OD |
1694 | PCE_STR |
1695 | "Configure PCE neighbor domain AS number\n" | |
1696 | "AS number of PCE neighbors\n" | |
1697 | "AS number in decimal <0-65535>\n") | |
1698 | { | |
d62a17ae | 1699 | int idx_number = 3; |
0ef4bcdc | 1700 | |
d62a17ae | 1701 | uint32_t as; |
1702 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
1703 | struct listnode *node; | |
1704 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 1705 | |
d62a17ae | 1706 | if (!ospf_ri_enabled(vty)) |
1707 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1708 | |
0651460e | 1709 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1710 | vty_out(vty, "pce_neighbor: fscanf: %s\n", |
1711 | safe_strerror(errno)); | |
1712 | return CMD_WARNING_CONFIG_FAILED; | |
1713 | } | |
0ef4bcdc | 1714 | |
d62a17ae | 1715 | /* Check if the domain is not already in the domain list */ |
1716 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { | |
1717 | if (ntohl(neighbor->header.type) == 0 && as == neighbor->value) | |
1718 | return CMD_SUCCESS; | |
1719 | } | |
0ef4bcdc | 1720 | |
d62a17ae | 1721 | /* Create new domain if not found */ |
1722 | set_pce_neighbor(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1723 | |
d62a17ae | 1724 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1725 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1726 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1727 | |
d62a17ae | 1728 | return CMD_SUCCESS; |
0ef4bcdc OD |
1729 | } |
1730 | ||
1731 | DEFUN (no_pce_neighbor, | |
1732 | no_pce_neighbor_cmd, | |
6147e2c6 | 1733 | "no pce neighbor as (0-65535)", |
0ef4bcdc OD |
1734 | NO_STR |
1735 | PCE_STR | |
1736 | "Disable PCE neighbor AS number\n" | |
1737 | "AS number of PCE neighbor\n" | |
1738 | "AS number in decimal <0-65535>\n") | |
1739 | { | |
d62a17ae | 1740 | int idx_number = 4; |
0ef4bcdc | 1741 | |
d62a17ae | 1742 | uint32_t as; |
1743 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1744 | |
0651460e | 1745 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1746 | vty_out(vty, "no_pce_neighbor: fscanf: %s\n", |
1747 | safe_strerror(errno)); | |
1748 | return CMD_WARNING_CONFIG_FAILED; | |
1749 | } | |
0ef4bcdc | 1750 | |
d62a17ae | 1751 | /* Unset corresponding PCE domain */ |
1752 | unset_pce_neighbor(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1753 | |
d62a17ae | 1754 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1755 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1756 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1757 | |
d62a17ae | 1758 | return CMD_SUCCESS; |
0ef4bcdc OD |
1759 | } |
1760 | ||
1761 | DEFUN (pce_cap_flag, | |
1762 | pce_cap_flag_cmd, | |
1763 | "pce flag BITPATTERN", | |
1764 | PCE_STR | |
1765 | "Capabilities of the PCE for path computation\n" | |
1766 | "32-bit Hexadecimal value\n") | |
1767 | { | |
d62a17ae | 1768 | int idx_bitpattern = 2; |
0ef4bcdc | 1769 | |
d62a17ae | 1770 | uint32_t cap; |
1771 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1772 | |
d62a17ae | 1773 | if (!ospf_ri_enabled(vty)) |
1774 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1775 | |
d62a17ae | 1776 | if (sscanf(argv[idx_bitpattern]->arg, "0x%x", &cap) != 1) { |
1777 | vty_out(vty, "pce_cap_flag: fscanf: %s\n", | |
1778 | safe_strerror(errno)); | |
1779 | return CMD_WARNING_CONFIG_FAILED; | |
1780 | } | |
0ef4bcdc | 1781 | |
d62a17ae | 1782 | if (ntohl(pce->pce_cap_flag.header.type) == 0 |
1783 | || cap != pce->pce_cap_flag.value) { | |
1784 | set_pce_cap_flag(cap, pce); | |
0ef4bcdc | 1785 | |
d62a17ae | 1786 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1787 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1788 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1789 | } | |
0ef4bcdc | 1790 | |
d62a17ae | 1791 | return CMD_SUCCESS; |
0ef4bcdc OD |
1792 | } |
1793 | ||
1794 | DEFUN (no_pce_cap_flag, | |
1795 | no_pce_cap_flag_cmd, | |
1796 | "no pce flag", | |
1797 | NO_STR | |
1798 | PCE_STR | |
1799 | "Disable PCE capabilities\n") | |
1800 | { | |
1801 | ||
9ffaacb0 | 1802 | unset_param(&OspfRI.pce_info.pce_cap_flag); |
0ef4bcdc | 1803 | |
d62a17ae | 1804 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1805 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1806 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1807 | |
d62a17ae | 1808 | return CMD_SUCCESS; |
0ef4bcdc OD |
1809 | } |
1810 | ||
1811 | DEFUN (show_ip_ospf_router_info, | |
1812 | show_ip_ospf_router_info_cmd, | |
1813 | "show ip ospf router-info", | |
1814 | SHOW_STR | |
1815 | IP_STR | |
1816 | OSPF_STR | |
1817 | "Router Information\n") | |
1818 | { | |
1819 | ||
32ab5cf4 | 1820 | if (OspfRI.enabled) { |
d62a17ae | 1821 | vty_out(vty, "--- Router Information parameters ---\n"); |
1822 | show_vty_router_cap(vty, &OspfRI.router_cap.header); | |
1823 | } else { | |
1824 | if (vty != NULL) | |
1825 | vty_out(vty, | |
1826 | " Router Information is disabled on this router\n"); | |
1827 | } | |
1828 | return CMD_SUCCESS; | |
0ef4bcdc OD |
1829 | } |
1830 | ||
1831 | DEFUN (show_ip_opsf_router_info_pce, | |
1832 | show_ip_ospf_router_info_pce_cmd, | |
1833 | "show ip ospf router-info pce", | |
1834 | SHOW_STR | |
1835 | IP_STR | |
1836 | OSPF_STR | |
1837 | "Router Information\n" | |
1838 | "PCE information\n") | |
1839 | { | |
1840 | ||
d62a17ae | 1841 | struct ospf_pce_info *pce = &OspfRI.pce_info; |
1842 | struct listnode *node; | |
1843 | struct ri_pce_subtlv_domain *domain; | |
1844 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 1845 | |
cf9b9f77 | 1846 | if ((OspfRI.enabled) && (OspfRI.pce_info.enabled)) { |
d62a17ae | 1847 | vty_out(vty, "--- PCE parameters ---\n"); |
0ef4bcdc | 1848 | |
d62a17ae | 1849 | if (pce->pce_address.header.type != 0) |
1850 | show_vty_pce_subtlv_address(vty, | |
1851 | &pce->pce_address.header); | |
0ef4bcdc | 1852 | |
d62a17ae | 1853 | if (pce->pce_scope.header.type != 0) |
1854 | show_vty_pce_subtlv_path_scope(vty, | |
1855 | &pce->pce_scope.header); | |
0ef4bcdc | 1856 | |
d62a17ae | 1857 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { |
1858 | if (domain->header.type != 0) | |
1859 | show_vty_pce_subtlv_domain(vty, | |
1860 | &domain->header); | |
1861 | } | |
0ef4bcdc | 1862 | |
d62a17ae | 1863 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { |
1864 | if (neighbor->header.type != 0) | |
1865 | show_vty_pce_subtlv_neighbor(vty, | |
1866 | &neighbor->header); | |
1867 | } | |
0ef4bcdc | 1868 | |
d62a17ae | 1869 | if (pce->pce_cap_flag.header.type != 0) |
1870 | show_vty_pce_subtlv_cap_flag(vty, | |
1871 | &pce->pce_cap_flag.header); | |
0ef4bcdc | 1872 | |
d62a17ae | 1873 | } else { |
996c9314 | 1874 | vty_out(vty, " PCE info is disabled on this router\n"); |
d62a17ae | 1875 | } |
0ef4bcdc | 1876 | |
d62a17ae | 1877 | return CMD_SUCCESS; |
0ef4bcdc OD |
1878 | } |
1879 | ||
1880 | /* Install new CLI commands */ | |
d62a17ae | 1881 | static void ospf_router_info_register_vty(void) |
0ef4bcdc | 1882 | { |
d62a17ae | 1883 | install_element(VIEW_NODE, &show_ip_ospf_router_info_cmd); |
1884 | install_element(VIEW_NODE, &show_ip_ospf_router_info_pce_cmd); | |
1885 | ||
1886 | install_element(OSPF_NODE, &router_info_area_cmd); | |
1887 | install_element(OSPF_NODE, &no_router_info_cmd); | |
1888 | install_element(OSPF_NODE, &pce_address_cmd); | |
1889 | install_element(OSPF_NODE, &no_pce_address_cmd); | |
1890 | install_element(OSPF_NODE, &pce_path_scope_cmd); | |
1891 | install_element(OSPF_NODE, &no_pce_path_scope_cmd); | |
1892 | install_element(OSPF_NODE, &pce_domain_cmd); | |
1893 | install_element(OSPF_NODE, &no_pce_domain_cmd); | |
1894 | install_element(OSPF_NODE, &pce_neighbor_cmd); | |
1895 | install_element(OSPF_NODE, &no_pce_neighbor_cmd); | |
1896 | install_element(OSPF_NODE, &pce_cap_flag_cmd); | |
1897 | install_element(OSPF_NODE, &no_pce_cap_flag_cmd); | |
1898 | ||
1899 | return; | |
0ef4bcdc | 1900 | } |