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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" |
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) { | |
ade6974d | 189 | flog_warn( |
cf444bcf | 190 | EC_OSPF_OPAQUE_REGISTRATION, |
ade6974d | 191 | "ospf_router_info_init: Failed to register functions"); |
d62a17ae | 192 | return rc; |
193 | } | |
194 | ||
195 | OspfRI.registered = 1; | |
196 | OspfRI.scope = scope; | |
ead99d5f | 197 | return rc; |
0ef4bcdc OD |
198 | } |
199 | ||
bcf4475e OD |
200 | static int ospf_router_info_unregister() |
201 | { | |
202 | ||
203 | if ((OspfRI.scope != OSPF_OPAQUE_AS_LSA) | |
204 | && (OspfRI.scope != OSPF_OPAQUE_AREA_LSA)) { | |
ade6974d QY |
205 | assert("Unable to unregister Router Info functions: Wrong scope!" |
206 | == NULL); | |
bcf4475e OD |
207 | return -1; |
208 | } | |
209 | ||
210 | ospf_delete_opaque_functab(OspfRI.scope, | |
211 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
212 | ||
213 | OspfRI.registered = 0; | |
214 | return 0; | |
215 | } | |
216 | ||
d62a17ae | 217 | void ospf_router_info_term(void) |
0ef4bcdc OD |
218 | { |
219 | ||
6a154c88 DL |
220 | list_delete(&OspfRI.pce_info.pce_domain); |
221 | list_delete(&OspfRI.pce_info.pce_neighbor); | |
0ef4bcdc | 222 | |
32ab5cf4 | 223 | OspfRI.enabled = false; |
0ef4bcdc | 224 | |
bcf4475e OD |
225 | ospf_router_info_unregister(); |
226 | ||
d62a17ae | 227 | return; |
0ef4bcdc OD |
228 | } |
229 | ||
bcf4475e OD |
230 | void ospf_router_info_finish(void) |
231 | { | |
232 | list_delete_all_node(OspfRI.pce_info.pce_domain); | |
233 | list_delete_all_node(OspfRI.pce_info.pce_neighbor); | |
234 | ||
235 | OspfRI.enabled = false; | |
236 | } | |
237 | ||
d62a17ae | 238 | static void del_pce_info(void *val) |
0ef4bcdc | 239 | { |
d62a17ae | 240 | XFREE(MTYPE_OSPF_PCE_PARAMS, val); |
241 | return; | |
0ef4bcdc OD |
242 | } |
243 | ||
cf9b9f77 OD |
244 | /* Catch RI LSA flooding Scope for ospf_ext.[h,c] code */ |
245 | struct scope_info ospf_router_info_get_flooding_scope(void) | |
246 | { | |
247 | struct scope_info flooding_scope; | |
7743f2f8 | 248 | |
cf9b9f77 OD |
249 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) { |
250 | flooding_scope.scope = OSPF_OPAQUE_AS_LSA; | |
251 | flooding_scope.area_id.s_addr = 0; | |
252 | return flooding_scope; | |
253 | } | |
254 | flooding_scope.scope = OSPF_OPAQUE_AREA_LSA; | |
255 | flooding_scope.area_id.s_addr = OspfRI.area_id.s_addr; | |
256 | return flooding_scope; | |
257 | } | |
258 | ||
0ef4bcdc | 259 | /*------------------------------------------------------------------------* |
d62a17ae | 260 | * Followings are control functions for ROUTER INFORMATION parameters |
261 | *management. | |
0ef4bcdc OD |
262 | *------------------------------------------------------------------------*/ |
263 | ||
d62a17ae | 264 | static void set_router_info_capabilities(struct ri_tlv_router_cap *ric, |
d7c0a89a | 265 | uint32_t cap) |
0ef4bcdc | 266 | { |
d62a17ae | 267 | ric->header.type = htons(RI_TLV_CAPABILITIES); |
268 | ric->header.length = htons(RI_TLV_LENGTH); | |
269 | ric->value = htonl(cap); | |
270 | return; | |
0ef4bcdc OD |
271 | } |
272 | ||
d62a17ae | 273 | static int set_pce_header(struct ospf_pce_info *pce) |
0ef4bcdc | 274 | { |
d7c0a89a | 275 | uint16_t length = 0; |
d62a17ae | 276 | struct listnode *node; |
277 | struct ri_pce_subtlv_domain *domain; | |
278 | struct ri_pce_subtlv_neighbor *neighbor; | |
279 | ||
280 | /* PCE Address */ | |
281 | if (ntohs(pce->pce_address.header.type) != 0) | |
ead99d5f | 282 | length += TLV_SIZE(&pce->pce_address.header); |
d62a17ae | 283 | |
284 | /* PCE Path Scope */ | |
285 | if (ntohs(pce->pce_scope.header.type) != 0) | |
ead99d5f | 286 | length += TLV_SIZE(&pce->pce_scope.header); |
d62a17ae | 287 | |
288 | /* PCE Domain */ | |
289 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
290 | if (ntohs(domain->header.type) != 0) | |
ead99d5f | 291 | length += TLV_SIZE(&domain->header); |
d62a17ae | 292 | } |
293 | ||
294 | /* PCE Neighbor */ | |
295 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { | |
296 | if (ntohs(neighbor->header.type) != 0) | |
ead99d5f | 297 | length += TLV_SIZE(&neighbor->header); |
d62a17ae | 298 | } |
299 | ||
300 | /* PCE Capabilities */ | |
301 | if (ntohs(pce->pce_cap_flag.header.type) != 0) | |
ead99d5f | 302 | length += TLV_SIZE(&pce->pce_cap_flag.header); |
d62a17ae | 303 | |
304 | if (length != 0) { | |
305 | pce->pce_header.header.type = htons(RI_TLV_PCE); | |
306 | pce->pce_header.header.length = htons(length); | |
32ab5cf4 | 307 | pce->enabled = true; |
d62a17ae | 308 | } else { |
309 | pce->pce_header.header.type = 0; | |
310 | pce->pce_header.header.length = 0; | |
32ab5cf4 | 311 | pce->enabled = false; |
d62a17ae | 312 | } |
313 | ||
314 | return length; | |
0ef4bcdc OD |
315 | } |
316 | ||
d62a17ae | 317 | static void set_pce_address(struct in_addr ipv4, struct ospf_pce_info *pce) |
0ef4bcdc OD |
318 | { |
319 | ||
d62a17ae | 320 | /* Enable PCE Info */ |
321 | pce->pce_header.header.type = htons(RI_TLV_PCE); | |
322 | /* Set PCE Address */ | |
323 | pce->pce_address.header.type = htons(RI_PCE_SUBTLV_ADDRESS); | |
324 | pce->pce_address.header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
325 | pce->pce_address.address.type = htons(PCE_ADDRESS_TYPE_IPV4); | |
326 | pce->pce_address.address.value = ipv4; | |
0ef4bcdc | 327 | |
d62a17ae | 328 | return; |
0ef4bcdc OD |
329 | } |
330 | ||
d7c0a89a | 331 | static void set_pce_path_scope(uint32_t scope, struct ospf_pce_info *pce) |
0ef4bcdc OD |
332 | { |
333 | ||
d62a17ae | 334 | /* Set PCE Scope */ |
335 | pce->pce_scope.header.type = htons(RI_PCE_SUBTLV_PATH_SCOPE); | |
336 | pce->pce_scope.header.length = htons(RI_TLV_LENGTH); | |
337 | pce->pce_scope.value = htonl(scope); | |
0ef4bcdc | 338 | |
d62a17ae | 339 | return; |
0ef4bcdc OD |
340 | } |
341 | ||
d7c0a89a | 342 | static void set_pce_domain(uint16_t type, uint32_t domain, |
d62a17ae | 343 | struct ospf_pce_info *pce) |
0ef4bcdc OD |
344 | { |
345 | ||
d62a17ae | 346 | struct ri_pce_subtlv_domain *new; |
0ef4bcdc | 347 | |
d62a17ae | 348 | /* Create new domain info */ |
349 | new = XCALLOC(MTYPE_OSPF_PCE_PARAMS, | |
350 | sizeof(struct ri_pce_subtlv_domain)); | |
0ef4bcdc | 351 | |
d62a17ae | 352 | new->header.type = htons(RI_PCE_SUBTLV_DOMAIN); |
353 | new->header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
354 | new->type = htons(type); | |
355 | new->value = htonl(domain); | |
0ef4bcdc | 356 | |
d62a17ae | 357 | /* Add new domain to the list */ |
358 | listnode_add(pce->pce_domain, new); | |
0ef4bcdc | 359 | |
d62a17ae | 360 | return; |
0ef4bcdc OD |
361 | } |
362 | ||
d7c0a89a | 363 | static void unset_pce_domain(uint16_t type, uint32_t domain, |
d62a17ae | 364 | struct ospf_pce_info *pce) |
0ef4bcdc | 365 | { |
d62a17ae | 366 | struct listnode *node; |
367 | struct ri_pce_subtlv_domain *old = NULL; | |
368 | int found = 0; | |
369 | ||
370 | /* Search the corresponding node */ | |
371 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, old)) { | |
372 | if ((old->type == htons(type)) | |
373 | && (old->value == htonl(domain))) { | |
374 | found = 1; | |
375 | break; | |
376 | } | |
377 | } | |
378 | ||
379 | /* if found remove it */ | |
380 | if (found) { | |
381 | listnode_delete(pce->pce_domain, old); | |
382 | ||
d62a17ae | 383 | /* Finally free the old domain */ |
384 | XFREE(MTYPE_OSPF_PCE_PARAMS, old); | |
385 | } | |
0ef4bcdc OD |
386 | } |
387 | ||
d7c0a89a | 388 | static void set_pce_neighbor(uint16_t type, uint32_t domain, |
d62a17ae | 389 | struct ospf_pce_info *pce) |
0ef4bcdc OD |
390 | { |
391 | ||
d62a17ae | 392 | struct ri_pce_subtlv_neighbor *new; |
0ef4bcdc | 393 | |
d62a17ae | 394 | /* Create new neighbor info */ |
395 | new = XCALLOC(MTYPE_OSPF_PCE_PARAMS, | |
396 | sizeof(struct ri_pce_subtlv_neighbor)); | |
0ef4bcdc | 397 | |
d62a17ae | 398 | new->header.type = htons(RI_PCE_SUBTLV_NEIGHBOR); |
399 | new->header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
400 | new->type = htons(type); | |
401 | new->value = htonl(domain); | |
0ef4bcdc | 402 | |
d62a17ae | 403 | /* Add new domain to the list */ |
404 | listnode_add(pce->pce_neighbor, new); | |
0ef4bcdc | 405 | |
d62a17ae | 406 | return; |
0ef4bcdc OD |
407 | } |
408 | ||
d7c0a89a | 409 | static void unset_pce_neighbor(uint16_t type, uint32_t domain, |
d62a17ae | 410 | struct ospf_pce_info *pce) |
0ef4bcdc | 411 | { |
d62a17ae | 412 | struct listnode *node; |
413 | struct ri_pce_subtlv_neighbor *old = NULL; | |
414 | int found = 0; | |
415 | ||
416 | /* Search the corresponding node */ | |
417 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, old)) { | |
418 | if ((old->type == htons(type)) | |
419 | && (old->value == htonl(domain))) { | |
420 | found = 1; | |
421 | break; | |
422 | } | |
423 | } | |
424 | ||
425 | /* if found remove it */ | |
426 | if (found) { | |
427 | listnode_delete(pce->pce_neighbor, old); | |
428 | ||
d62a17ae | 429 | /* Finally free the old domain */ |
430 | XFREE(MTYPE_OSPF_PCE_PARAMS, old); | |
431 | } | |
0ef4bcdc OD |
432 | } |
433 | ||
d7c0a89a | 434 | static void set_pce_cap_flag(uint32_t cap, struct ospf_pce_info *pce) |
0ef4bcdc OD |
435 | { |
436 | ||
d62a17ae | 437 | /* Set PCE Capabilities flag */ |
438 | pce->pce_cap_flag.header.type = htons(RI_PCE_SUBTLV_CAP_FLAG); | |
439 | pce->pce_cap_flag.header.length = htons(RI_TLV_LENGTH); | |
440 | pce->pce_cap_flag.value = htonl(cap); | |
0ef4bcdc | 441 | |
d62a17ae | 442 | return; |
0ef4bcdc OD |
443 | } |
444 | ||
cf9b9f77 OD |
445 | /* Segment Routing TLV setter */ |
446 | ||
447 | /* Algorithm SubTLV - section 3.1 */ | |
93f0a26e | 448 | static void set_sr_algorithm(uint8_t algo) |
cf9b9f77 OD |
449 | { |
450 | ||
451 | OspfRI.sr_info.algo.value[0] = algo; | |
452 | for (int i = 1; i < ALGORITHM_COUNT; i++) | |
453 | OspfRI.sr_info.algo.value[i] = SR_ALGORITHM_UNSET; | |
454 | ||
455 | /* Set TLV type and length == only 1 Algorithm */ | |
456 | TLV_TYPE(OspfRI.sr_info.algo) = htons(RI_SR_TLV_SR_ALGORITHM); | |
93f0a26e | 457 | TLV_LEN(OspfRI.sr_info.algo) = htons(sizeof(uint8_t)); |
cf9b9f77 OD |
458 | } |
459 | ||
460 | /* unset Aglogithm SubTLV */ | |
93f0a26e | 461 | static void unset_sr_algorithm(uint8_t algo) |
cf9b9f77 OD |
462 | { |
463 | ||
464 | for (int i = 0; i < ALGORITHM_COUNT; i++) | |
465 | OspfRI.sr_info.algo.value[i] = SR_ALGORITHM_UNSET; | |
466 | ||
467 | /* Unset TLV type and length */ | |
468 | TLV_TYPE(OspfRI.sr_info.algo) = htons(0); | |
469 | TLV_LEN(OspfRI.sr_info.algo) = htons(0); | |
cf9b9f77 OD |
470 | } |
471 | ||
472 | /* Segment Routing Global Block SubTLV - section 3.2 */ | |
473 | static void set_sr_sid_label_range(struct sr_srgb srgb) | |
474 | { | |
475 | /* Set Header */ | |
476 | TLV_TYPE(OspfRI.sr_info.range) = htons(RI_SR_TLV_SID_LABEL_RANGE); | |
477 | TLV_LEN(OspfRI.sr_info.range) = | |
93f0a26e | 478 | htons(SUBTLV_SID_LABEL_SIZE + sizeof(uint32_t)); |
cf9b9f77 OD |
479 | /* Set Range Size */ |
480 | OspfRI.sr_info.range.size = htonl(SET_RANGE_SIZE(srgb.range_size)); | |
481 | /* Set Lower bound label SubTLV */ | |
482 | TLV_TYPE(OspfRI.sr_info.range.lower) = htons(SUBTLV_SID_LABEL); | |
483 | TLV_LEN(OspfRI.sr_info.range.lower) = htons(SID_RANGE_LABEL_LENGTH); | |
484 | OspfRI.sr_info.range.lower.value = htonl(SET_LABEL(srgb.lower_bound)); | |
cf9b9f77 OD |
485 | } |
486 | ||
487 | /* Unset this SRGB SubTLV */ | |
7743f2f8 | 488 | static void unset_sr_sid_label_range(void) |
cf9b9f77 OD |
489 | { |
490 | ||
491 | TLV_TYPE(OspfRI.sr_info.range) = htons(0); | |
492 | TLV_LEN(OspfRI.sr_info.range) = htons(0); | |
493 | TLV_TYPE(OspfRI.sr_info.range.lower) = htons(0); | |
494 | TLV_LEN(OspfRI.sr_info.range.lower) = htons(0); | |
cf9b9f77 OD |
495 | } |
496 | ||
497 | /* Set Maximum Stack Depth for this router */ | |
93f0a26e | 498 | static void set_sr_node_msd(uint8_t msd) |
cf9b9f77 OD |
499 | { |
500 | TLV_TYPE(OspfRI.sr_info.msd) = htons(RI_SR_TLV_NODE_MSD); | |
93f0a26e | 501 | TLV_LEN(OspfRI.sr_info.msd) = htons(sizeof(uint32_t)); |
cf9b9f77 | 502 | OspfRI.sr_info.msd.value = msd; |
cf9b9f77 OD |
503 | } |
504 | ||
505 | /* Unset this router MSD */ | |
7743f2f8 | 506 | static void unset_sr_node_msd(void) |
cf9b9f77 OD |
507 | { |
508 | TLV_TYPE(OspfRI.sr_info.msd) = htons(0); | |
509 | TLV_LEN(OspfRI.sr_info.msd) = htons(0); | |
cf9b9f77 | 510 | } |
0ef4bcdc | 511 | |
9ffaacb0 | 512 | static void unset_param(void *tlv_buffer) |
0ef4bcdc | 513 | { |
9ffaacb0 | 514 | struct tlv_header *tlv = (struct tlv_header *)tlv_buffer; |
0ef4bcdc | 515 | |
d62a17ae | 516 | tlv->type = 0; |
517 | /* Fill the Value to 0 */ | |
9ffaacb0 | 518 | memset(TLV_DATA(tlv_buffer), 0, TLV_BODY_SIZE(tlv)); |
d62a17ae | 519 | tlv->length = 0; |
0ef4bcdc | 520 | |
d62a17ae | 521 | return; |
0ef4bcdc OD |
522 | } |
523 | ||
d62a17ae | 524 | static void initialize_params(struct ospf_router_info *ori) |
0ef4bcdc | 525 | { |
d7c0a89a | 526 | uint32_t cap = 0; |
d62a17ae | 527 | struct ospf *top; |
528 | ||
529 | /* | |
530 | * Initialize default Router Information Capabilities. | |
531 | */ | |
ead99d5f | 532 | cap = RI_TE_SUPPORT; |
d62a17ae | 533 | |
534 | set_router_info_capabilities(&ori->router_cap, cap); | |
535 | ||
536 | /* If Area address is not null and exist, retrieve corresponding | |
537 | * structure */ | |
b5a8894d | 538 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 539 | zlog_info("RI-> Initialize Router Info for %s scope within area %s", |
540 | OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS", | |
541 | inet_ntoa(OspfRI.area_id)); | |
542 | ||
543 | /* Try to get the Area context at this step. Do it latter if not | |
544 | * available */ | |
545 | if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) | |
546 | OspfRI.area = ospf_area_lookup_by_area_id(top, OspfRI.area_id); | |
547 | ||
548 | /* | |
549 | * Initialize default PCE Information values | |
550 | */ | |
551 | /* PCE address == OSPF Router ID */ | |
552 | set_pce_address(top->router_id, &ori->pce_info); | |
553 | ||
554 | /* PCE scope */ | |
555 | cap = 7; /* Set L, R and Rd bits to one = intra & inter-area path | |
556 | computation */ | |
557 | set_pce_path_scope(cap, &ori->pce_info); | |
558 | ||
559 | /* PCE Capabilities */ | |
560 | cap = PCE_CAP_BIDIRECTIONAL | PCE_CAP_DIVERSE_PATH | PCE_CAP_OBJECTIVES | |
561 | | PCE_CAP_ADDITIVE | PCE_CAP_MULTIPLE_REQ; | |
562 | set_pce_cap_flag(cap, &ori->pce_info); | |
563 | ||
d62a17ae | 564 | return; |
0ef4bcdc OD |
565 | } |
566 | ||
d62a17ae | 567 | static int is_mandated_params_set(struct ospf_router_info ori) |
0ef4bcdc | 568 | { |
d62a17ae | 569 | int rc = 0; |
0ef4bcdc | 570 | |
d62a17ae | 571 | if (ntohs(ori.router_cap.header.type) == 0) |
ead99d5f | 572 | return rc; |
0ef4bcdc | 573 | |
d62a17ae | 574 | if ((ntohs(ori.pce_info.pce_header.header.type) == RI_TLV_PCE) |
575 | && (ntohs(ori.pce_info.pce_address.header.type) == 0) | |
576 | && (ntohs(ori.pce_info.pce_cap_flag.header.type) == 0)) | |
ead99d5f | 577 | return rc; |
0ef4bcdc | 578 | |
cf9b9f77 OD |
579 | if ((ori.sr_info.enabled) && (ntohs(TLV_TYPE(ori.sr_info.algo)) == 0) |
580 | && (ntohs(TLV_TYPE(ori.sr_info.range)) == 0)) | |
581 | return rc; | |
582 | ||
d62a17ae | 583 | rc = 1; |
0ef4bcdc | 584 | |
d62a17ae | 585 | return rc; |
0ef4bcdc OD |
586 | } |
587 | ||
cf9b9f77 OD |
588 | /* |
589 | * Used by Segment Routing to set new TLVs and Sub-TLVs values | |
590 | * | |
591 | * @param enable To activate or not Segment Routing router Information flooding | |
592 | * @param size Size of Label Range i.e. SRGB size | |
593 | * @param lower Lower bound of the Label Range i.e. SRGB first label | |
594 | * @param msd Maximum label Stack Depth suported by the router | |
595 | * | |
596 | * @return none | |
597 | */ | |
93f0a26e | 598 | void ospf_router_info_update_sr(bool enable, struct sr_srgb srgb, uint8_t msd) |
cf9b9f77 OD |
599 | { |
600 | ||
601 | /* First activate and initialize Router Information is necessary */ | |
602 | if (!OspfRI.enabled) { | |
603 | OspfRI.enabled = true; | |
604 | initialize_params(&OspfRI); | |
605 | } | |
606 | ||
607 | if (IS_DEBUG_OSPF_SR) | |
608 | zlog_debug("RI-> %s Routing Information for Segment Routing", | |
996c9314 | 609 | enable ? "Enable" : "Disable"); |
cf9b9f77 OD |
610 | |
611 | /* Unset or Set SR parameters */ | |
612 | if (!enable) { | |
613 | unset_sr_algorithm(SR_ALGORITHM_SPF); | |
614 | unset_sr_sid_label_range(); | |
615 | unset_sr_node_msd(); | |
616 | OspfRI.sr_info.enabled = false; | |
617 | } else { | |
618 | // Only SR_ALGORITHM_SPF is supported | |
619 | set_sr_algorithm(SR_ALGORITHM_SPF); | |
620 | set_sr_sid_label_range(srgb); | |
621 | if (msd != 0) | |
622 | set_sr_node_msd(msd); | |
623 | else | |
624 | unset_sr_node_msd(); | |
625 | OspfRI.sr_info.enabled = true; | |
626 | } | |
627 | ||
628 | /* Refresh if already engaged or originate RI LSA */ | |
629 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) | |
630 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); | |
631 | else | |
632 | ospf_router_info_lsa_schedule(REORIGINATE_THIS_LSA); | |
633 | } | |
634 | ||
0ef4bcdc OD |
635 | /*------------------------------------------------------------------------* |
636 | * Followings are callback functions against generic Opaque-LSAs handling. | |
637 | *------------------------------------------------------------------------*/ | |
d62a17ae | 638 | static void ospf_router_info_ism_change(struct ospf_interface *oi, |
639 | int old_state) | |
0ef4bcdc | 640 | { |
d62a17ae | 641 | /* So far, nothing to do here. */ |
642 | return; | |
0ef4bcdc OD |
643 | } |
644 | ||
d62a17ae | 645 | static void ospf_router_info_nsm_change(struct ospf_neighbor *nbr, |
646 | int old_state) | |
0ef4bcdc | 647 | { |
d62a17ae | 648 | /* So far, nothing to do here. */ |
649 | return; | |
0ef4bcdc OD |
650 | } |
651 | ||
652 | /*------------------------------------------------------------------------* | |
653 | * Followings are OSPF protocol processing functions for ROUTER INFORMATION | |
654 | *------------------------------------------------------------------------*/ | |
655 | ||
ead99d5f | 656 | static void build_tlv_header(struct stream *s, struct tlv_header *tlvh) |
0ef4bcdc OD |
657 | { |
658 | ||
ead99d5f | 659 | stream_put(s, tlvh, sizeof(struct tlv_header)); |
d62a17ae | 660 | return; |
0ef4bcdc OD |
661 | } |
662 | ||
ead99d5f | 663 | static void build_tlv(struct stream *s, struct tlv_header *tlvh) |
0ef4bcdc OD |
664 | { |
665 | ||
d62a17ae | 666 | if (ntohs(tlvh->type) != 0) { |
667 | build_tlv_header(s, tlvh); | |
5d0df50f | 668 | stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh)); |
d62a17ae | 669 | } |
670 | return; | |
0ef4bcdc OD |
671 | } |
672 | ||
d62a17ae | 673 | static void ospf_router_info_lsa_body_set(struct stream *s) |
0ef4bcdc OD |
674 | { |
675 | ||
d62a17ae | 676 | struct listnode *node; |
677 | struct ri_pce_subtlv_domain *domain; | |
678 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 679 | |
d62a17ae | 680 | /* Build Router Information TLV */ |
681 | build_tlv(s, &OspfRI.router_cap.header); | |
0ef4bcdc | 682 | |
cf9b9f77 OD |
683 | /* Build Segment Routing TLVs if enabled */ |
684 | if (OspfRI.sr_info.enabled) { | |
685 | /* Build Algorithm TLV */ | |
686 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.algo)); | |
687 | /* Build SRGB TLV */ | |
688 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.range)); | |
689 | /* Build MSD TLV */ | |
690 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.msd)); | |
691 | } | |
ead99d5f OD |
692 | |
693 | /* Add RI PCE TLV if it is set */ | |
32ab5cf4 | 694 | if (OspfRI.pce_info.enabled) { |
0ef4bcdc | 695 | |
cf9b9f77 | 696 | /* Compute PCE Info header first */ |
996c9314 | 697 | set_pce_header(&OspfRI.pce_info); |
cf9b9f77 | 698 | |
d62a17ae | 699 | /* Build PCE TLV */ |
700 | build_tlv_header(s, &OspfRI.pce_info.pce_header.header); | |
0ef4bcdc | 701 | |
d62a17ae | 702 | /* Build PCE address sub-tlv */ |
703 | build_tlv(s, &OspfRI.pce_info.pce_address.header); | |
0ef4bcdc | 704 | |
d62a17ae | 705 | /* Build PCE path scope sub-tlv */ |
706 | build_tlv(s, &OspfRI.pce_info.pce_scope.header); | |
0ef4bcdc | 707 | |
d62a17ae | 708 | /* Build PCE domain sub-tlv */ |
709 | for (ALL_LIST_ELEMENTS_RO(OspfRI.pce_info.pce_domain, node, | |
710 | domain)) | |
711 | build_tlv(s, &domain->header); | |
0ef4bcdc | 712 | |
d62a17ae | 713 | /* Build PCE neighbor sub-tlv */ |
714 | for (ALL_LIST_ELEMENTS_RO(OspfRI.pce_info.pce_neighbor, node, | |
715 | neighbor)) | |
716 | build_tlv(s, &neighbor->header); | |
0ef4bcdc | 717 | |
d62a17ae | 718 | /* Build PCE cap flag sub-tlv */ |
719 | build_tlv(s, &OspfRI.pce_info.pce_cap_flag.header); | |
720 | } | |
0ef4bcdc | 721 | |
d62a17ae | 722 | return; |
0ef4bcdc OD |
723 | } |
724 | ||
725 | /* Create new opaque-LSA. */ | |
d62a17ae | 726 | static struct ospf_lsa *ospf_router_info_lsa_new() |
0ef4bcdc | 727 | { |
d62a17ae | 728 | struct ospf *top; |
729 | struct stream *s; | |
730 | struct lsa_header *lsah; | |
731 | struct ospf_lsa *new = NULL; | |
d7c0a89a | 732 | uint8_t options, lsa_type; |
d62a17ae | 733 | struct in_addr lsa_id; |
d7c0a89a QY |
734 | uint32_t tmp; |
735 | uint16_t length; | |
d62a17ae | 736 | |
737 | /* Create a stream for LSA. */ | |
266469eb DS |
738 | s = stream_new(OSPF_MAX_LSA_SIZE); |
739 | ||
d62a17ae | 740 | lsah = (struct lsa_header *)STREAM_DATA(s); |
741 | ||
742 | options = OSPF_OPTION_E; /* Enable AS external as we flood RI with | |
743 | Opaque Type 11 */ | |
744 | options |= OSPF_OPTION_O; /* Don't forget this :-) */ | |
745 | ||
746 | lsa_type = OspfRI.scope; | |
747 | /* LSA ID == 0 for Router Information see RFC 4970 */ | |
748 | tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); | |
749 | lsa_id.s_addr = htonl(tmp); | |
750 | ||
751 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) | |
752 | zlog_debug( | |
753 | "LSA[Type%d:%s]: Create an Opaque-LSA/ROUTER INFORMATION instance", | |
754 | lsa_type, inet_ntoa(lsa_id)); | |
755 | ||
b5a8894d | 756 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 757 | |
758 | /* Set opaque-LSA header fields. */ | |
759 | lsa_header_set(s, options, lsa_type, lsa_id, top->router_id); | |
760 | ||
761 | /* Set opaque-LSA body fields. */ | |
762 | ospf_router_info_lsa_body_set(s); | |
763 | ||
764 | /* Set length. */ | |
765 | length = stream_get_endp(s); | |
766 | lsah->length = htons(length); | |
767 | ||
768 | /* Now, create an OSPF LSA instance. */ | |
5b3d4186 | 769 | new = ospf_lsa_new_and_data(length); |
d62a17ae | 770 | |
771 | new->area = OspfRI.area; /* Area must be null if the Opaque type is AS | |
772 | scope, fulfill otherwise */ | |
773 | ||
b5a8894d CS |
774 | if (new->area && new->area->ospf) |
775 | new->vrf_id = new->area->ospf->vrf_id; | |
776 | else | |
777 | new->vrf_id = VRF_DEFAULT; | |
778 | ||
d62a17ae | 779 | SET_FLAG(new->flags, OSPF_LSA_SELF); |
780 | memcpy(new->data, lsah, length); | |
781 | stream_free(s); | |
782 | ||
d62a17ae | 783 | return new; |
0ef4bcdc OD |
784 | } |
785 | ||
d62a17ae | 786 | static int ospf_router_info_lsa_originate1(void *arg) |
0ef4bcdc | 787 | { |
d62a17ae | 788 | struct ospf_lsa *new; |
789 | struct ospf *top; | |
790 | struct ospf_area *area; | |
791 | int rc = -1; | |
b5a8894d | 792 | vrf_id_t vrf_id = VRF_DEFAULT; |
d62a17ae | 793 | |
794 | /* First check if the area is known if flooding scope is Area */ | |
795 | if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) { | |
796 | area = (struct ospf_area *)arg; | |
797 | if (area->area_id.s_addr != OspfRI.area_id.s_addr) { | |
798 | zlog_debug( | |
799 | "RI -> This is not the Router Information Area. Stop processing"); | |
ead99d5f | 800 | return rc; |
d62a17ae | 801 | } |
802 | OspfRI.area = area; | |
b5a8894d CS |
803 | if (area->ospf) |
804 | vrf_id = area->ospf->vrf_id; | |
d62a17ae | 805 | } |
806 | ||
807 | /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ | |
1dd58cc8 | 808 | new = ospf_router_info_lsa_new(); |
b5a8894d | 809 | new->vrf_id = vrf_id; |
d62a17ae | 810 | |
811 | /* Get ospf info */ | |
b5a8894d CS |
812 | top = ospf_lookup_by_vrf_id(vrf_id); |
813 | if (top == NULL) { | |
814 | zlog_debug("%s: ospf instance not found for vrf id %u", | |
815 | __PRETTY_FUNCTION__, vrf_id); | |
c2a2f37b | 816 | ospf_lsa_unlock(&new); |
b5a8894d CS |
817 | return rc; |
818 | } | |
d62a17ae | 819 | |
820 | /* Install this LSA into LSDB. */ | |
821 | if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) { | |
542a208f | 822 | flog_warn( |
cf444bcf | 823 | EC_OSPF_LSA_INSTALL_FAILURE, |
d62a17ae | 824 | "ospf_router_info_lsa_originate1: ospf_lsa_install() ?"); |
825 | ospf_lsa_unlock(&new); | |
ead99d5f | 826 | return rc; |
d62a17ae | 827 | } |
828 | ||
829 | /* Now this Router Info parameter entry has associated LSA. */ | |
830 | SET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); | |
831 | ||
832 | /* Update new LSA origination count. */ | |
833 | top->lsa_originate_count++; | |
834 | ||
835 | /* Flood new LSA through AS. */ | |
836 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
837 | ospf_flood_through_as(top, NULL /*nbr */, new); | |
838 | else | |
839 | ospf_flood_through_area(OspfRI.area, NULL /*nbr */, new); | |
840 | ||
841 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) { | |
842 | zlog_debug( | |
843 | "LSA[Type%d:%s]: Originate Opaque-LSA/ROUTER INFORMATION", | |
844 | new->data->type, inet_ntoa(new->data->id)); | |
845 | ospf_lsa_header_dump(new->data); | |
846 | } | |
847 | ||
848 | rc = 0; | |
d62a17ae | 849 | return rc; |
0ef4bcdc OD |
850 | } |
851 | ||
d62a17ae | 852 | static int ospf_router_info_lsa_originate(void *arg) |
0ef4bcdc OD |
853 | { |
854 | ||
d62a17ae | 855 | int rc = -1; |
856 | ||
32ab5cf4 | 857 | if (!OspfRI.enabled) { |
d62a17ae | 858 | zlog_info( |
859 | "ospf_router_info_lsa_originate: ROUTER INFORMATION is disabled now."); | |
860 | rc = 0; /* This is not an error case. */ | |
ead99d5f | 861 | return rc; |
d62a17ae | 862 | } |
863 | ||
864 | /* Check if Router Information LSA is already engaged */ | |
32ab5cf4 OD |
865 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) { |
866 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_FORCED_REFRESH)) { | |
ead99d5f | 867 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_FORCED_REFRESH); |
d62a17ae | 868 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
869 | } | |
870 | } else { | |
871 | if (!is_mandated_params_set(OspfRI)) | |
239697e3 | 872 | flog_warn( |
cf444bcf | 873 | EC_OSPF_LSA, |
d62a17ae | 874 | "ospf_router_info_lsa_originate: lacks mandated ROUTER INFORMATION parameters"); |
875 | ||
876 | /* Ok, let's try to originate an LSA */ | |
877 | if (ospf_router_info_lsa_originate1(arg) != 0) | |
ead99d5f | 878 | return rc; |
d62a17ae | 879 | } |
880 | ||
881 | rc = 0; | |
d62a17ae | 882 | return rc; |
0ef4bcdc OD |
883 | } |
884 | ||
d62a17ae | 885 | static struct ospf_lsa *ospf_router_info_lsa_refresh(struct ospf_lsa *lsa) |
0ef4bcdc | 886 | { |
d62a17ae | 887 | struct ospf_lsa *new = NULL; |
888 | struct ospf *top; | |
889 | ||
32ab5cf4 | 890 | if (!OspfRI.enabled) { |
d62a17ae | 891 | /* |
892 | * This LSA must have flushed before due to ROUTER INFORMATION | |
893 | * status change. | |
894 | * It seems a slip among routers in the routing domain. | |
895 | */ | |
896 | zlog_info( | |
897 | "ospf_router_info_lsa_refresh: ROUTER INFORMATION is disabled now."); | |
898 | lsa->data->ls_age = | |
899 | htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */ | |
900 | } | |
901 | ||
902 | /* Verify that the Router Information ID is supported */ | |
903 | if (GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr)) != 0) { | |
239697e3 | 904 | flog_warn( |
cf444bcf | 905 | EC_OSPF_LSA, |
d62a17ae | 906 | "ospf_router_info_lsa_refresh: Unsupported Router Information ID"); |
ead99d5f | 907 | return NULL; |
d62a17ae | 908 | } |
909 | ||
910 | /* If the lsa's age reached to MaxAge, start flushing procedure. */ | |
911 | if (IS_LSA_MAXAGE(lsa)) { | |
ead99d5f | 912 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); |
d62a17ae | 913 | ospf_opaque_lsa_flush_schedule(lsa); |
ead99d5f | 914 | return NULL; |
d62a17ae | 915 | } |
916 | ||
917 | /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ | |
1dd58cc8 | 918 | new = ospf_router_info_lsa_new(); |
d62a17ae | 919 | new->data->ls_seqnum = lsa_seqnum_increment(lsa); |
b5a8894d | 920 | new->vrf_id = lsa->vrf_id; |
d62a17ae | 921 | |
922 | /* Install this LSA into LSDB. */ | |
923 | /* Given "lsa" will be freed in the next function. */ | |
b5a8894d | 924 | top = ospf_lookup_by_vrf_id(lsa->vrf_id); |
d62a17ae | 925 | if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) { |
cf444bcf | 926 | flog_warn(EC_OSPF_LSA_INSTALL_FAILURE, |
542a208f | 927 | "ospf_router_info_lsa_refresh: ospf_lsa_install() ?"); |
d62a17ae | 928 | ospf_lsa_unlock(&new); |
ead99d5f | 929 | return new; |
d62a17ae | 930 | } |
931 | ||
932 | /* Flood updated LSA through AS or AREA depending of OspfRI.scope. */ | |
933 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
934 | ospf_flood_through_as(top, NULL /*nbr */, new); | |
935 | else | |
936 | ospf_flood_through_area(OspfRI.area, NULL /*nbr */, new); | |
937 | ||
938 | /* Debug logging. */ | |
939 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) { | |
940 | zlog_debug( | |
941 | "LSA[Type%d:%s]: Refresh Opaque-LSA/ROUTER INFORMATION", | |
942 | new->data->type, inet_ntoa(new->data->id)); | |
943 | ospf_lsa_header_dump(new->data); | |
944 | } | |
945 | ||
d62a17ae | 946 | return new; |
0ef4bcdc OD |
947 | } |
948 | ||
2a39170c | 949 | static void ospf_router_info_lsa_schedule(enum lsa_opcode opcode) |
0ef4bcdc | 950 | { |
d62a17ae | 951 | struct ospf_lsa lsa; |
952 | struct lsa_header lsah; | |
953 | struct ospf *top; | |
d7c0a89a | 954 | uint32_t tmp; |
d62a17ae | 955 | |
956 | memset(&lsa, 0, sizeof(lsa)); | |
957 | memset(&lsah, 0, sizeof(lsah)); | |
958 | ||
959 | zlog_debug("RI-> LSA schedule %s%s%s", | |
960 | opcode == REORIGINATE_THIS_LSA ? "Re-Originate" : "", | |
961 | opcode == REFRESH_THIS_LSA ? "Refresh" : "", | |
962 | opcode == FLUSH_THIS_LSA ? "Flush" : ""); | |
963 | ||
ead99d5f | 964 | /* Check LSA flags state coherence */ |
996c9314 LB |
965 | if (!CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED) |
966 | && (opcode != REORIGINATE_THIS_LSA)) | |
ead99d5f OD |
967 | return; |
968 | ||
996c9314 LB |
969 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED) |
970 | && (opcode == REORIGINATE_THIS_LSA)) | |
ead99d5f OD |
971 | opcode = REFRESH_THIS_LSA; |
972 | ||
b5a8894d | 973 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 974 | if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) { |
239697e3 | 975 | flog_warn( |
cf444bcf | 976 | EC_OSPF_LSA, |
d62a17ae | 977 | "ospf_router_info_lsa_schedule(): Router Info is Area scope flooding but area is not set"); |
978 | OspfRI.area = ospf_area_lookup_by_area_id(top, OspfRI.area_id); | |
979 | } | |
980 | lsa.area = OspfRI.area; | |
981 | lsa.data = &lsah; | |
982 | lsah.type = OspfRI.scope; | |
983 | ||
984 | /* LSA ID is set to 0 for the Router Information. See RFC 4970 */ | |
985 | tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); | |
986 | lsah.id.s_addr = htonl(tmp); | |
987 | ||
988 | switch (opcode) { | |
989 | case REORIGINATE_THIS_LSA: | |
990 | if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) | |
991 | ospf_opaque_lsa_reoriginate_schedule( | |
992 | (void *)OspfRI.area, OSPF_OPAQUE_AREA_LSA, | |
993 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
994 | else | |
995 | ospf_opaque_lsa_reoriginate_schedule( | |
996 | (void *)top, OSPF_OPAQUE_AS_LSA, | |
997 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
998 | break; | |
999 | case REFRESH_THIS_LSA: | |
1000 | ospf_opaque_lsa_refresh_schedule(&lsa); | |
1001 | break; | |
1002 | case FLUSH_THIS_LSA: | |
ead99d5f | 1003 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); |
d62a17ae | 1004 | ospf_opaque_lsa_flush_schedule(&lsa); |
1005 | break; | |
d62a17ae | 1006 | } |
1007 | ||
1008 | return; | |
0ef4bcdc OD |
1009 | } |
1010 | ||
cf9b9f77 OD |
1011 | /* Callback to handle Segment Routing information */ |
1012 | static int ospf_router_info_lsa_update(struct ospf_lsa *lsa) | |
1013 | { | |
1014 | ||
1015 | /* Sanity Check */ | |
1016 | if (lsa == NULL) { | |
cf444bcf | 1017 | flog_warn(EC_OSPF_LSA, "OSPF-RI (%s): Abort! LSA is NULL", |
239697e3 | 1018 | __func__); |
cf9b9f77 OD |
1019 | return -1; |
1020 | } | |
1021 | ||
6aaf0fdd OD |
1022 | /* Process only Opaque LSA */ |
1023 | if ((lsa->data->type != OSPF_OPAQUE_AREA_LSA) | |
1024 | && (lsa->data->type != OSPF_OPAQUE_AS_LSA)) | |
cf9b9f77 OD |
1025 | return 0; |
1026 | ||
1027 | /* Process only Router Information LSA */ | |
996c9314 LB |
1028 | if (GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)) |
1029 | != OPAQUE_TYPE_ROUTER_INFORMATION_LSA) | |
cf9b9f77 OD |
1030 | return 0; |
1031 | ||
6aaf0fdd OD |
1032 | /* Check if it is not my LSA */ |
1033 | if (IS_LSA_SELF(lsa)) | |
1034 | return 0; | |
1035 | ||
cf9b9f77 OD |
1036 | /* Check if Router Info & Segment Routing are enable */ |
1037 | if (!OspfRI.enabled || !OspfRI.sr_info.enabled) | |
1038 | return 0; | |
1039 | ||
1040 | /* Call Segment Routing LSA update or deletion */ | |
1041 | if (!IS_LSA_MAXAGE(lsa)) | |
1042 | ospf_sr_ri_lsa_update(lsa); | |
1043 | else | |
1044 | ospf_sr_ri_lsa_delete(lsa); | |
1045 | ||
1046 | return 0; | |
1047 | } | |
1048 | ||
0ef4bcdc OD |
1049 | /*------------------------------------------------------------------------* |
1050 | * Followings are vty session control functions. | |
1051 | *------------------------------------------------------------------------*/ | |
1052 | ||
d7c0a89a | 1053 | static uint16_t show_vty_router_cap(struct vty *vty, struct tlv_header *tlvh) |
0ef4bcdc | 1054 | { |
d62a17ae | 1055 | struct ri_tlv_router_cap *top = (struct ri_tlv_router_cap *)tlvh; |
0ef4bcdc | 1056 | |
d62a17ae | 1057 | if (vty != NULL) |
1058 | vty_out(vty, " Router Capabilities: 0x%x\n", | |
1059 | ntohl(top->value)); | |
1060 | else | |
1061 | zlog_debug(" Router Capabilities: 0x%x", ntohl(top->value)); | |
0ef4bcdc | 1062 | |
ead99d5f | 1063 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1064 | } |
1065 | ||
d7c0a89a QY |
1066 | static uint16_t show_vty_pce_subtlv_address(struct vty *vty, |
1067 | struct tlv_header *tlvh) | |
0ef4bcdc | 1068 | { |
d62a17ae | 1069 | struct ri_pce_subtlv_address *top = |
1070 | (struct ri_pce_subtlv_address *)tlvh; | |
1071 | ||
1072 | if (ntohs(top->address.type) == PCE_ADDRESS_TYPE_IPV4) { | |
1073 | if (vty != NULL) | |
1074 | vty_out(vty, " PCE Address: %s\n", | |
1075 | inet_ntoa(top->address.value)); | |
1076 | else | |
1077 | zlog_debug(" PCE Address: %s", | |
1078 | inet_ntoa(top->address.value)); | |
1079 | } else { | |
1080 | /* TODO: Add support to IPv6 with inet_ntop() */ | |
1081 | if (vty != NULL) | |
1082 | vty_out(vty, " PCE Address: 0x%x\n", | |
1083 | ntohl(top->address.value.s_addr)); | |
1084 | else | |
1085 | zlog_debug(" PCE Address: 0x%x", | |
1086 | ntohl(top->address.value.s_addr)); | |
1087 | } | |
1088 | ||
ead99d5f | 1089 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1090 | } |
1091 | ||
d7c0a89a QY |
1092 | static uint16_t show_vty_pce_subtlv_path_scope(struct vty *vty, |
1093 | struct tlv_header *tlvh) | |
0ef4bcdc | 1094 | { |
d62a17ae | 1095 | struct ri_pce_subtlv_path_scope *top = |
1096 | (struct ri_pce_subtlv_path_scope *)tlvh; | |
0ef4bcdc | 1097 | |
d62a17ae | 1098 | if (vty != NULL) |
1099 | vty_out(vty, " PCE Path Scope: 0x%x\n", ntohl(top->value)); | |
1100 | else | |
1101 | zlog_debug(" PCE Path Scope: 0x%x", ntohl(top->value)); | |
0ef4bcdc | 1102 | |
ead99d5f | 1103 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1104 | } |
1105 | ||
d7c0a89a QY |
1106 | static uint16_t show_vty_pce_subtlv_domain(struct vty *vty, |
1107 | struct tlv_header *tlvh) | |
0ef4bcdc | 1108 | { |
d62a17ae | 1109 | struct ri_pce_subtlv_domain *top = (struct ri_pce_subtlv_domain *)tlvh; |
1110 | struct in_addr tmp; | |
1111 | ||
1112 | if (ntohs(top->type) == PCE_DOMAIN_TYPE_AREA) { | |
1113 | tmp.s_addr = top->value; | |
1114 | if (vty != NULL) | |
1115 | vty_out(vty, " PCE domain Area: %s\n", inet_ntoa(tmp)); | |
1116 | else | |
1117 | zlog_debug(" PCE domain Area: %s", inet_ntoa(tmp)); | |
1118 | } else { | |
1119 | if (vty != NULL) | |
1120 | vty_out(vty, " PCE domain AS: %d\n", | |
1121 | ntohl(top->value)); | |
1122 | else | |
1123 | zlog_debug(" PCE domain AS: %d", ntohl(top->value)); | |
1124 | } | |
ead99d5f | 1125 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1126 | } |
1127 | ||
d7c0a89a QY |
1128 | static uint16_t show_vty_pce_subtlv_neighbor(struct vty *vty, |
1129 | struct tlv_header *tlvh) | |
0ef4bcdc OD |
1130 | { |
1131 | ||
d62a17ae | 1132 | struct ri_pce_subtlv_neighbor *top = |
1133 | (struct ri_pce_subtlv_neighbor *)tlvh; | |
1134 | struct in_addr tmp; | |
1135 | ||
1136 | if (ntohs(top->type) == PCE_DOMAIN_TYPE_AREA) { | |
1137 | tmp.s_addr = top->value; | |
1138 | if (vty != NULL) | |
1139 | vty_out(vty, " PCE neighbor Area: %s\n", | |
1140 | inet_ntoa(tmp)); | |
1141 | else | |
1142 | zlog_debug(" PCE neighbor Area: %s", inet_ntoa(tmp)); | |
1143 | } else { | |
1144 | if (vty != NULL) | |
1145 | vty_out(vty, " PCE neighbor AS: %d\n", | |
1146 | ntohl(top->value)); | |
1147 | else | |
1148 | zlog_debug(" PCE neighbor AS: %d", | |
1149 | ntohl(top->value)); | |
1150 | } | |
ead99d5f | 1151 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1152 | } |
1153 | ||
d7c0a89a QY |
1154 | static uint16_t show_vty_pce_subtlv_cap_flag(struct vty *vty, |
1155 | struct tlv_header *tlvh) | |
0ef4bcdc | 1156 | { |
d62a17ae | 1157 | struct ri_pce_subtlv_cap_flag *top = |
1158 | (struct ri_pce_subtlv_cap_flag *)tlvh; | |
0ef4bcdc | 1159 | |
d62a17ae | 1160 | if (vty != NULL) |
1161 | vty_out(vty, " PCE Capabilities Flag: 0x%x\n", | |
1162 | ntohl(top->value)); | |
1163 | else | |
1164 | zlog_debug(" PCE Capabilities Flag: 0x%x", | |
1165 | ntohl(top->value)); | |
0ef4bcdc | 1166 | |
ead99d5f | 1167 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1168 | } |
1169 | ||
d7c0a89a | 1170 | static uint16_t show_vty_unknown_tlv(struct vty *vty, struct tlv_header *tlvh) |
0ef4bcdc | 1171 | { |
d62a17ae | 1172 | if (vty != NULL) |
1173 | vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n", | |
1174 | ntohs(tlvh->type), ntohs(tlvh->length)); | |
1175 | else | |
1176 | zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]", | |
1177 | ntohs(tlvh->type), ntohs(tlvh->length)); | |
1178 | ||
ead99d5f | 1179 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1180 | } |
1181 | ||
d7c0a89a QY |
1182 | static uint16_t show_vty_pce_info(struct vty *vty, struct tlv_header *ri, |
1183 | uint32_t total) | |
0ef4bcdc | 1184 | { |
ead99d5f | 1185 | struct tlv_header *tlvh; |
d7c0a89a | 1186 | uint16_t sum = 0; |
d62a17ae | 1187 | |
ead99d5f | 1188 | for (tlvh = ri; sum < total; tlvh = TLV_HDR_NEXT(tlvh)) { |
d62a17ae | 1189 | switch (ntohs(tlvh->type)) { |
1190 | case RI_PCE_SUBTLV_ADDRESS: | |
1191 | sum += show_vty_pce_subtlv_address(vty, tlvh); | |
1192 | break; | |
1193 | case RI_PCE_SUBTLV_PATH_SCOPE: | |
1194 | sum += show_vty_pce_subtlv_path_scope(vty, tlvh); | |
1195 | break; | |
1196 | case RI_PCE_SUBTLV_DOMAIN: | |
1197 | sum += show_vty_pce_subtlv_domain(vty, tlvh); | |
1198 | break; | |
1199 | case RI_PCE_SUBTLV_NEIGHBOR: | |
1200 | sum += show_vty_pce_subtlv_neighbor(vty, tlvh); | |
1201 | break; | |
1202 | case RI_PCE_SUBTLV_CAP_FLAG: | |
1203 | sum += show_vty_pce_subtlv_cap_flag(vty, tlvh); | |
1204 | break; | |
1205 | default: | |
1206 | sum += show_vty_unknown_tlv(vty, tlvh); | |
1207 | break; | |
1208 | } | |
1209 | } | |
1210 | return sum; | |
0ef4bcdc OD |
1211 | } |
1212 | ||
cf9b9f77 | 1213 | /* Display Segment Routing Algorithm TLV information */ |
93f0a26e | 1214 | static uint16_t show_vty_sr_algorithm(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1215 | { |
1216 | struct ri_sr_tlv_sr_algorithm *algo = | |
1217 | (struct ri_sr_tlv_sr_algorithm *)tlvh; | |
1218 | int i; | |
7743f2f8 | 1219 | |
cf9b9f77 OD |
1220 | if (vty != NULL) { |
1221 | vty_out(vty, " Segment Routing Algorithm TLV:\n"); | |
1222 | for (i = 0; i < ntohs(algo->header.length); i++) { | |
1223 | switch (algo->value[i]) { | |
1224 | case 0: | |
1225 | vty_out(vty, " Algorithm %d: SPF\n", i); | |
1226 | break; | |
1227 | case 1: | |
1228 | vty_out(vty, " Algorithm %d: Strict SPF\n", | |
1229 | i); | |
1230 | break; | |
1231 | default: | |
1232 | vty_out(vty, | |
1233 | " Algorithm %d: Unknown value %d\n", i, | |
1234 | algo->value[i]); | |
1235 | break; | |
1236 | } | |
1237 | } | |
1238 | } | |
1239 | ||
1240 | else { | |
1241 | zlog_debug(" Segment Routing Algorithm TLV:\n"); | |
1242 | for (i = 0; i < ntohs(algo->header.length); i++) | |
1243 | switch (algo->value[i]) { | |
1244 | case 0: | |
1245 | zlog_debug(" Algorithm %d: SPF\n", i); | |
1246 | break; | |
1247 | case 1: | |
1248 | zlog_debug(" Algorithm %d: Strict SPF\n", i); | |
1249 | break; | |
1250 | default: | |
1251 | zlog_debug( | |
1252 | " Algorithm %d: Unknown value %d\n", | |
1253 | i, algo->value[i]); | |
1254 | break; | |
1255 | } | |
1256 | } | |
1257 | ||
1258 | return TLV_SIZE(tlvh); | |
1259 | } | |
1260 | ||
1261 | /* Display Segment Routing SID/Label Range TLV information */ | |
93f0a26e | 1262 | static uint16_t show_vty_sr_range(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1263 | { |
1264 | struct ri_sr_tlv_sid_label_range *range = | |
1265 | (struct ri_sr_tlv_sid_label_range *)tlvh; | |
1266 | ||
1267 | if (vty != NULL) { | |
1268 | vty_out(vty, | |
1269 | " Segment Routing Range TLV:\n" | |
1270 | " Range Size = %d\n" | |
1271 | " SID Label = %d\n\n", | |
1272 | GET_RANGE_SIZE(ntohl(range->size)), | |
1273 | GET_LABEL(ntohl(range->lower.value))); | |
1274 | } else { | |
1275 | zlog_debug( | |
1276 | " Segment Routing Range TLV:\n" | |
1277 | " Range Size = %d\n" | |
1278 | " SID Label = %d\n\n", | |
1279 | GET_RANGE_SIZE(ntohl(range->size)), | |
1280 | GET_LABEL(ntohl(range->lower.value))); | |
1281 | } | |
1282 | ||
1283 | return TLV_SIZE(tlvh); | |
1284 | } | |
1285 | ||
1286 | /* Display Segment Routing Maximum Stack Depth TLV information */ | |
93f0a26e | 1287 | static uint16_t show_vty_sr_msd(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1288 | { |
1289 | struct ri_sr_tlv_node_msd *msd = (struct ri_sr_tlv_node_msd *)tlvh; | |
1290 | ||
1291 | if (vty != NULL) { | |
1292 | vty_out(vty, | |
1293 | " Segment Routing MSD TLV:\n" | |
1294 | " Node Maximum Stack Depth = %d\n", | |
1295 | msd->value); | |
1296 | } else { | |
1297 | zlog_debug( | |
1298 | " Segment Routing MSD TLV:\n" | |
1299 | " Node Maximum Stack Depth = %d\n", | |
1300 | msd->value); | |
1301 | } | |
1302 | ||
1303 | return TLV_SIZE(tlvh); | |
1304 | } | |
1305 | ||
d62a17ae | 1306 | static void ospf_router_info_show_info(struct vty *vty, struct ospf_lsa *lsa) |
0ef4bcdc | 1307 | { |
d62a17ae | 1308 | struct lsa_header *lsah = (struct lsa_header *)lsa->data; |
ead99d5f | 1309 | struct tlv_header *tlvh; |
d7c0a89a | 1310 | uint16_t length = 0, sum = 0; |
d62a17ae | 1311 | |
1312 | /* Initialize TLV browsing */ | |
1313 | length = ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE; | |
1314 | ||
ead99d5f OD |
1315 | for (tlvh = TLV_HDR_TOP(lsah); sum < length; |
1316 | tlvh = TLV_HDR_NEXT(tlvh)) { | |
d62a17ae | 1317 | switch (ntohs(tlvh->type)) { |
1318 | case RI_TLV_CAPABILITIES: | |
1319 | sum += show_vty_router_cap(vty, tlvh); | |
1320 | break; | |
1321 | case RI_TLV_PCE: | |
1322 | tlvh++; | |
ead99d5f | 1323 | sum += TLV_HDR_SIZE; |
d62a17ae | 1324 | sum += show_vty_pce_info(vty, tlvh, length - sum); |
1325 | break; | |
cf9b9f77 OD |
1326 | case RI_SR_TLV_SR_ALGORITHM: |
1327 | sum += show_vty_sr_algorithm(vty, tlvh); | |
1328 | break; | |
1329 | case RI_SR_TLV_SID_LABEL_RANGE: | |
1330 | sum += show_vty_sr_range(vty, tlvh); | |
1331 | break; | |
1332 | case RI_SR_TLV_NODE_MSD: | |
1333 | sum += show_vty_sr_msd(vty, tlvh); | |
1334 | break; | |
1335 | ||
d62a17ae | 1336 | default: |
1337 | sum += show_vty_unknown_tlv(vty, tlvh); | |
1338 | break; | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | return; | |
0ef4bcdc OD |
1343 | } |
1344 | ||
d62a17ae | 1345 | static void ospf_router_info_config_write_router(struct vty *vty) |
0ef4bcdc | 1346 | { |
d62a17ae | 1347 | struct ospf_pce_info *pce = &OspfRI.pce_info; |
1348 | struct listnode *node; | |
1349 | struct ri_pce_subtlv_domain *domain; | |
1350 | struct ri_pce_subtlv_neighbor *neighbor; | |
1351 | struct in_addr tmp; | |
1352 | ||
cf9b9f77 OD |
1353 | if (!OspfRI.enabled) |
1354 | return; | |
1355 | ||
1356 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
1357 | vty_out(vty, " router-info as\n"); | |
1358 | else | |
1359 | vty_out(vty, " router-info area %s\n", | |
1360 | inet_ntoa(OspfRI.area_id)); | |
1361 | ||
1362 | if (OspfRI.pce_info.enabled) { | |
1363 | ||
1364 | if (pce->pce_address.header.type != 0) | |
1365 | vty_out(vty, " pce address %s\n", | |
1366 | inet_ntoa(pce->pce_address.address.value)); | |
1367 | ||
1368 | if (pce->pce_cap_flag.header.type != 0) | |
1369 | vty_out(vty, " pce flag 0x%x\n", | |
1370 | ntohl(pce->pce_cap_flag.value)); | |
1371 | ||
1372 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
1373 | if (domain->header.type != 0) { | |
1374 | if (domain->type == PCE_DOMAIN_TYPE_AREA) { | |
1375 | tmp.s_addr = domain->value; | |
1376 | vty_out(vty, " pce domain area %s\n", | |
1377 | inet_ntoa(tmp)); | |
1378 | } else { | |
1379 | vty_out(vty, " pce domain as %d\n", | |
1380 | ntohl(domain->value)); | |
d62a17ae | 1381 | } |
1382 | } | |
cf9b9f77 | 1383 | } |
d62a17ae | 1384 | |
cf9b9f77 OD |
1385 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { |
1386 | if (neighbor->header.type != 0) { | |
1387 | if (neighbor->type == PCE_DOMAIN_TYPE_AREA) { | |
1388 | tmp.s_addr = neighbor->value; | |
1389 | vty_out(vty, " pce neighbor area %s\n", | |
1390 | inet_ntoa(tmp)); | |
1391 | } else { | |
1392 | vty_out(vty, " pce neighbor as %d\n", | |
1393 | ntohl(neighbor->value)); | |
d62a17ae | 1394 | } |
1395 | } | |
ead99d5f | 1396 | } |
cf9b9f77 OD |
1397 | |
1398 | if (pce->pce_scope.header.type != 0) | |
1399 | vty_out(vty, " pce scope 0x%x\n", | |
1400 | ntohl(OspfRI.pce_info.pce_scope.value)); | |
d62a17ae | 1401 | } |
1402 | return; | |
0ef4bcdc OD |
1403 | } |
1404 | ||
1405 | /*------------------------------------------------------------------------* | |
1406 | * Followings are vty command functions. | |
1407 | *------------------------------------------------------------------------*/ | |
1408 | ||
1409 | DEFUN (router_info, | |
1410 | router_info_area_cmd, | |
692b4c65 | 1411 | "router-info <as|area A.B.C.D>", |
0ef4bcdc | 1412 | OSPF_RI_STR |
692b4c65 | 1413 | "Enable the Router Information functionality with AS flooding scope\n" |
0ef4bcdc | 1414 | "Enable the Router Information functionality with Area flooding scope\n" |
efd7904e | 1415 | "OSPF area ID in IP format\n") |
0ef4bcdc | 1416 | { |
d62a17ae | 1417 | int idx_ipv4 = 2; |
1418 | char *area = (argc == 3) ? argv[idx_ipv4]->arg : NULL; | |
1419 | ||
d7c0a89a | 1420 | uint8_t scope; |
d62a17ae | 1421 | |
32ab5cf4 | 1422 | if (OspfRI.enabled) |
d62a17ae | 1423 | return CMD_SUCCESS; |
1424 | ||
1425 | /* Check and get Area value if present */ | |
1426 | if (area) { | |
1427 | if (!inet_aton(area, &OspfRI.area_id)) { | |
1428 | vty_out(vty, "%% specified Area ID %s is invalid\n", | |
1429 | area); | |
1430 | return CMD_WARNING_CONFIG_FAILED; | |
1431 | } | |
1432 | scope = OSPF_OPAQUE_AREA_LSA; | |
1433 | } else { | |
1434 | OspfRI.area_id.s_addr = 0; | |
1435 | scope = OSPF_OPAQUE_AS_LSA; | |
1436 | } | |
1437 | ||
1438 | /* First start to register Router Information callbacks */ | |
1439 | if ((ospf_router_info_register(scope)) != 0) { | |
239697e3 DS |
1440 | vty_out(vty, |
1441 | "%% Unable to register Router Information callbacks."); | |
1442 | flog_err( | |
cf444bcf | 1443 | EC_OSPF_INIT_FAIL, |
ead99d5f | 1444 | "Unable to register Router Information callbacks. Abort!"); |
d62a17ae | 1445 | return CMD_WARNING_CONFIG_FAILED; |
1446 | } | |
1447 | ||
32ab5cf4 | 1448 | OspfRI.enabled = true; |
d62a17ae | 1449 | |
1450 | if (IS_DEBUG_OSPF_EVENT) | |
1451 | zlog_debug("RI-> Router Information (%s flooding): OFF -> ON", | |
1452 | OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" | |
1453 | : "AS"); | |
1454 | ||
1455 | /* | |
1456 | * Following code is intended to handle two cases; | |
1457 | * | |
1458 | * 1) Router Information was disabled at startup time, but now become | |
1459 | * enabled. | |
1460 | * 2) Router Information was once enabled then disabled, and now enabled | |
1461 | * again. | |
1462 | */ | |
1463 | ||
1464 | initialize_params(&OspfRI); | |
1465 | ||
1466 | /* Refresh RI LSA if already engaged */ | |
32ab5cf4 | 1467 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) { |
996c9314 LB |
1468 | zlog_debug("RI-> Refresh LSA following configuration"); |
1469 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); | |
ead99d5f | 1470 | } else { |
d62a17ae | 1471 | zlog_debug("RI-> Initial origination following configuration"); |
1472 | ospf_router_info_lsa_schedule(REORIGINATE_THIS_LSA); | |
1473 | } | |
1474 | return CMD_SUCCESS; | |
0ef4bcdc OD |
1475 | } |
1476 | ||
0ef4bcdc OD |
1477 | |
1478 | DEFUN (no_router_info, | |
1479 | no_router_info_cmd, | |
1480 | "no router-info", | |
1481 | NO_STR | |
1482 | "Disable the Router Information functionality\n") | |
1483 | { | |
1484 | ||
32ab5cf4 | 1485 | if (!OspfRI.enabled) |
d62a17ae | 1486 | return CMD_SUCCESS; |
0ef4bcdc | 1487 | |
d62a17ae | 1488 | if (IS_DEBUG_OSPF_EVENT) |
1489 | zlog_debug("RI-> Router Information: ON -> OFF"); | |
0ef4bcdc | 1490 | |
32ab5cf4 | 1491 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1492 | ospf_router_info_lsa_schedule(FLUSH_THIS_LSA); |
0ef4bcdc | 1493 | |
32ab5cf4 | 1494 | OspfRI.enabled = false; |
0ef4bcdc | 1495 | |
d62a17ae | 1496 | return CMD_SUCCESS; |
0ef4bcdc OD |
1497 | } |
1498 | ||
d62a17ae | 1499 | static int ospf_ri_enabled(struct vty *vty) |
284a4a0c | 1500 | { |
32ab5cf4 | 1501 | if (OspfRI.enabled) |
d62a17ae | 1502 | return 1; |
284a4a0c | 1503 | |
d62a17ae | 1504 | if (vty) |
1505 | vty_out(vty, "%% OSPF RI is not turned on\n"); | |
284a4a0c | 1506 | |
d62a17ae | 1507 | return 0; |
284a4a0c DS |
1508 | } |
1509 | ||
0ef4bcdc OD |
1510 | DEFUN (pce_address, |
1511 | pce_address_cmd, | |
1512 | "pce address A.B.C.D", | |
1513 | PCE_STR | |
1514 | "Stable IP address of the PCE\n" | |
1515 | "PCE address in IPv4 address format\n") | |
1516 | { | |
d62a17ae | 1517 | int idx_ipv4 = 2; |
1518 | struct in_addr value; | |
1519 | struct ospf_pce_info *pi = &OspfRI.pce_info; | |
0ef4bcdc | 1520 | |
d62a17ae | 1521 | if (!ospf_ri_enabled(vty)) |
1522 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1523 | |
d62a17ae | 1524 | if (!inet_aton(argv[idx_ipv4]->arg, &value)) { |
1525 | vty_out(vty, "Please specify PCE Address by A.B.C.D\n"); | |
1526 | return CMD_WARNING_CONFIG_FAILED; | |
1527 | } | |
0ef4bcdc | 1528 | |
d62a17ae | 1529 | if (ntohs(pi->pce_address.header.type) == 0 |
1530 | || ntohl(pi->pce_address.address.value.s_addr) | |
1531 | != ntohl(value.s_addr)) { | |
0ef4bcdc | 1532 | |
d62a17ae | 1533 | set_pce_address(value, pi); |
0ef4bcdc | 1534 | |
d62a17ae | 1535 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1536 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1537 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1538 | } | |
0ef4bcdc | 1539 | |
d62a17ae | 1540 | return CMD_SUCCESS; |
0ef4bcdc OD |
1541 | } |
1542 | ||
1543 | DEFUN (no_pce_address, | |
1544 | no_pce_address_cmd, | |
2328428d | 1545 | "no pce address [A.B.C.D]", |
0ef4bcdc OD |
1546 | NO_STR |
1547 | PCE_STR | |
59768a63 DS |
1548 | "Disable PCE address\n" |
1549 | "PCE address in IPv4 address format\n") | |
0ef4bcdc OD |
1550 | { |
1551 | ||
9ffaacb0 | 1552 | unset_param(&OspfRI.pce_info.pce_address); |
0ef4bcdc | 1553 | |
d62a17ae | 1554 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1555 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1556 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1557 | |
d62a17ae | 1558 | return CMD_SUCCESS; |
0ef4bcdc OD |
1559 | } |
1560 | ||
1561 | DEFUN (pce_path_scope, | |
1562 | pce_path_scope_cmd, | |
1563 | "pce scope BITPATTERN", | |
1564 | PCE_STR | |
1565 | "Path scope visibilities of the PCE for path computation\n" | |
1566 | "32-bit Hexadecimal value\n") | |
1567 | { | |
d62a17ae | 1568 | int idx_bitpattern = 2; |
1569 | uint32_t scope; | |
1570 | struct ospf_pce_info *pi = &OspfRI.pce_info; | |
0ef4bcdc | 1571 | |
d62a17ae | 1572 | if (!ospf_ri_enabled(vty)) |
1573 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1574 | |
d62a17ae | 1575 | if (sscanf(argv[idx_bitpattern]->arg, "0x%x", &scope) != 1) { |
1576 | vty_out(vty, "pce_path_scope: fscanf: %s\n", | |
1577 | safe_strerror(errno)); | |
1578 | return CMD_WARNING_CONFIG_FAILED; | |
1579 | } | |
0ef4bcdc | 1580 | |
d62a17ae | 1581 | if (ntohl(pi->pce_scope.header.type) == 0 |
1582 | || scope != pi->pce_scope.value) { | |
1583 | set_pce_path_scope(scope, pi); | |
0ef4bcdc | 1584 | |
d62a17ae | 1585 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1586 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1587 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1588 | } | |
0ef4bcdc | 1589 | |
d62a17ae | 1590 | return CMD_SUCCESS; |
0ef4bcdc OD |
1591 | } |
1592 | ||
1593 | DEFUN (no_pce_path_scope, | |
1594 | no_pce_path_scope_cmd, | |
2328428d | 1595 | "no pce scope [BITPATTERN]", |
0ef4bcdc OD |
1596 | NO_STR |
1597 | PCE_STR | |
59768a63 DS |
1598 | "Disable PCE path scope\n" |
1599 | "32-bit Hexadecimal value\n") | |
0ef4bcdc OD |
1600 | { |
1601 | ||
9ffaacb0 | 1602 | unset_param(&OspfRI.pce_info.pce_address); |
0ef4bcdc | 1603 | |
d62a17ae | 1604 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1605 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1606 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1607 | |
d62a17ae | 1608 | return CMD_SUCCESS; |
0ef4bcdc OD |
1609 | } |
1610 | ||
1611 | DEFUN (pce_domain, | |
1612 | pce_domain_cmd, | |
6147e2c6 | 1613 | "pce domain as (0-65535)", |
0ef4bcdc OD |
1614 | PCE_STR |
1615 | "Configure PCE domain AS number\n" | |
1616 | "AS number where the PCE as visibilities for path computation\n" | |
1617 | "AS number in decimal <0-65535>\n") | |
1618 | { | |
d62a17ae | 1619 | int idx_number = 3; |
0ef4bcdc | 1620 | |
d62a17ae | 1621 | uint32_t as; |
1622 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
1623 | struct listnode *node; | |
1624 | struct ri_pce_subtlv_domain *domain; | |
0ef4bcdc | 1625 | |
d62a17ae | 1626 | if (!ospf_ri_enabled(vty)) |
1627 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1628 | |
0651460e | 1629 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1630 | vty_out(vty, "pce_domain: fscanf: %s\n", safe_strerror(errno)); |
1631 | return CMD_WARNING_CONFIG_FAILED; | |
1632 | } | |
0ef4bcdc | 1633 | |
d62a17ae | 1634 | /* Check if the domain is not already in the domain list */ |
1635 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
1636 | if (ntohl(domain->header.type) == 0 && as == domain->value) | |
1637 | return CMD_SUCCESS; | |
1638 | } | |
0ef4bcdc | 1639 | |
d62a17ae | 1640 | /* Create new domain if not found */ |
1641 | set_pce_domain(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1642 | |
d62a17ae | 1643 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1644 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1645 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1646 | |
d62a17ae | 1647 | return CMD_SUCCESS; |
0ef4bcdc OD |
1648 | } |
1649 | ||
1650 | DEFUN (no_pce_domain, | |
1651 | no_pce_domain_cmd, | |
6147e2c6 | 1652 | "no pce domain as (0-65535)", |
0ef4bcdc OD |
1653 | NO_STR |
1654 | PCE_STR | |
1655 | "Disable PCE domain AS number\n" | |
1656 | "AS number where the PCE as visibilities for path computation\n" | |
1657 | "AS number in decimal <0-65535>\n") | |
1658 | { | |
d62a17ae | 1659 | int idx_number = 4; |
0ef4bcdc | 1660 | |
d62a17ae | 1661 | uint32_t as; |
1662 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1663 | |
0651460e | 1664 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1665 | vty_out(vty, "no_pce_domain: fscanf: %s\n", |
1666 | safe_strerror(errno)); | |
1667 | return CMD_WARNING_CONFIG_FAILED; | |
1668 | } | |
0ef4bcdc | 1669 | |
d62a17ae | 1670 | /* Unset corresponding PCE domain */ |
1671 | unset_pce_domain(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1672 | |
d62a17ae | 1673 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1674 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1675 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1676 | |
d62a17ae | 1677 | return CMD_SUCCESS; |
0ef4bcdc OD |
1678 | } |
1679 | ||
1680 | DEFUN (pce_neigbhor, | |
1681 | pce_neighbor_cmd, | |
6147e2c6 | 1682 | "pce neighbor as (0-65535)", |
0ef4bcdc OD |
1683 | PCE_STR |
1684 | "Configure PCE neighbor domain AS number\n" | |
1685 | "AS number of PCE neighbors\n" | |
1686 | "AS number in decimal <0-65535>\n") | |
1687 | { | |
d62a17ae | 1688 | int idx_number = 3; |
0ef4bcdc | 1689 | |
d62a17ae | 1690 | uint32_t as; |
1691 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
1692 | struct listnode *node; | |
1693 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 1694 | |
d62a17ae | 1695 | if (!ospf_ri_enabled(vty)) |
1696 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1697 | |
0651460e | 1698 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1699 | vty_out(vty, "pce_neighbor: fscanf: %s\n", |
1700 | safe_strerror(errno)); | |
1701 | return CMD_WARNING_CONFIG_FAILED; | |
1702 | } | |
0ef4bcdc | 1703 | |
d62a17ae | 1704 | /* Check if the domain is not already in the domain list */ |
1705 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { | |
1706 | if (ntohl(neighbor->header.type) == 0 && as == neighbor->value) | |
1707 | return CMD_SUCCESS; | |
1708 | } | |
0ef4bcdc | 1709 | |
d62a17ae | 1710 | /* Create new domain if not found */ |
1711 | set_pce_neighbor(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1712 | |
d62a17ae | 1713 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1714 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1715 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1716 | |
d62a17ae | 1717 | return CMD_SUCCESS; |
0ef4bcdc OD |
1718 | } |
1719 | ||
1720 | DEFUN (no_pce_neighbor, | |
1721 | no_pce_neighbor_cmd, | |
6147e2c6 | 1722 | "no pce neighbor as (0-65535)", |
0ef4bcdc OD |
1723 | NO_STR |
1724 | PCE_STR | |
1725 | "Disable PCE neighbor AS number\n" | |
1726 | "AS number of PCE neighbor\n" | |
1727 | "AS number in decimal <0-65535>\n") | |
1728 | { | |
d62a17ae | 1729 | int idx_number = 4; |
0ef4bcdc | 1730 | |
d62a17ae | 1731 | uint32_t as; |
1732 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1733 | |
0651460e | 1734 | if (sscanf(argv[idx_number]->arg, "%" SCNu32, &as) != 1) { |
d62a17ae | 1735 | vty_out(vty, "no_pce_neighbor: fscanf: %s\n", |
1736 | safe_strerror(errno)); | |
1737 | return CMD_WARNING_CONFIG_FAILED; | |
1738 | } | |
0ef4bcdc | 1739 | |
d62a17ae | 1740 | /* Unset corresponding PCE domain */ |
1741 | unset_pce_neighbor(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1742 | |
d62a17ae | 1743 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1744 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1745 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1746 | |
d62a17ae | 1747 | return CMD_SUCCESS; |
0ef4bcdc OD |
1748 | } |
1749 | ||
1750 | DEFUN (pce_cap_flag, | |
1751 | pce_cap_flag_cmd, | |
1752 | "pce flag BITPATTERN", | |
1753 | PCE_STR | |
1754 | "Capabilities of the PCE for path computation\n" | |
1755 | "32-bit Hexadecimal value\n") | |
1756 | { | |
d62a17ae | 1757 | int idx_bitpattern = 2; |
0ef4bcdc | 1758 | |
d62a17ae | 1759 | uint32_t cap; |
1760 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1761 | |
d62a17ae | 1762 | if (!ospf_ri_enabled(vty)) |
1763 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1764 | |
d62a17ae | 1765 | if (sscanf(argv[idx_bitpattern]->arg, "0x%x", &cap) != 1) { |
1766 | vty_out(vty, "pce_cap_flag: fscanf: %s\n", | |
1767 | safe_strerror(errno)); | |
1768 | return CMD_WARNING_CONFIG_FAILED; | |
1769 | } | |
0ef4bcdc | 1770 | |
d62a17ae | 1771 | if (ntohl(pce->pce_cap_flag.header.type) == 0 |
1772 | || cap != pce->pce_cap_flag.value) { | |
1773 | set_pce_cap_flag(cap, pce); | |
0ef4bcdc | 1774 | |
d62a17ae | 1775 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1776 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1777 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1778 | } | |
0ef4bcdc | 1779 | |
d62a17ae | 1780 | return CMD_SUCCESS; |
0ef4bcdc OD |
1781 | } |
1782 | ||
1783 | DEFUN (no_pce_cap_flag, | |
1784 | no_pce_cap_flag_cmd, | |
1785 | "no pce flag", | |
1786 | NO_STR | |
1787 | PCE_STR | |
1788 | "Disable PCE capabilities\n") | |
1789 | { | |
1790 | ||
9ffaacb0 | 1791 | unset_param(&OspfRI.pce_info.pce_cap_flag); |
0ef4bcdc | 1792 | |
d62a17ae | 1793 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1794 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1795 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1796 | |
d62a17ae | 1797 | return CMD_SUCCESS; |
0ef4bcdc OD |
1798 | } |
1799 | ||
1800 | DEFUN (show_ip_ospf_router_info, | |
1801 | show_ip_ospf_router_info_cmd, | |
1802 | "show ip ospf router-info", | |
1803 | SHOW_STR | |
1804 | IP_STR | |
1805 | OSPF_STR | |
1806 | "Router Information\n") | |
1807 | { | |
1808 | ||
32ab5cf4 | 1809 | if (OspfRI.enabled) { |
d62a17ae | 1810 | vty_out(vty, "--- Router Information parameters ---\n"); |
1811 | show_vty_router_cap(vty, &OspfRI.router_cap.header); | |
1812 | } else { | |
1813 | if (vty != NULL) | |
1814 | vty_out(vty, | |
1815 | " Router Information is disabled on this router\n"); | |
1816 | } | |
1817 | return CMD_SUCCESS; | |
0ef4bcdc OD |
1818 | } |
1819 | ||
1820 | DEFUN (show_ip_opsf_router_info_pce, | |
1821 | show_ip_ospf_router_info_pce_cmd, | |
1822 | "show ip ospf router-info pce", | |
1823 | SHOW_STR | |
1824 | IP_STR | |
1825 | OSPF_STR | |
1826 | "Router Information\n" | |
1827 | "PCE information\n") | |
1828 | { | |
1829 | ||
d62a17ae | 1830 | struct ospf_pce_info *pce = &OspfRI.pce_info; |
1831 | struct listnode *node; | |
1832 | struct ri_pce_subtlv_domain *domain; | |
1833 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 1834 | |
cf9b9f77 | 1835 | if ((OspfRI.enabled) && (OspfRI.pce_info.enabled)) { |
d62a17ae | 1836 | vty_out(vty, "--- PCE parameters ---\n"); |
0ef4bcdc | 1837 | |
d62a17ae | 1838 | if (pce->pce_address.header.type != 0) |
1839 | show_vty_pce_subtlv_address(vty, | |
1840 | &pce->pce_address.header); | |
0ef4bcdc | 1841 | |
d62a17ae | 1842 | if (pce->pce_scope.header.type != 0) |
1843 | show_vty_pce_subtlv_path_scope(vty, | |
1844 | &pce->pce_scope.header); | |
0ef4bcdc | 1845 | |
d62a17ae | 1846 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { |
1847 | if (domain->header.type != 0) | |
1848 | show_vty_pce_subtlv_domain(vty, | |
1849 | &domain->header); | |
1850 | } | |
0ef4bcdc | 1851 | |
d62a17ae | 1852 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { |
1853 | if (neighbor->header.type != 0) | |
1854 | show_vty_pce_subtlv_neighbor(vty, | |
1855 | &neighbor->header); | |
1856 | } | |
0ef4bcdc | 1857 | |
d62a17ae | 1858 | if (pce->pce_cap_flag.header.type != 0) |
1859 | show_vty_pce_subtlv_cap_flag(vty, | |
1860 | &pce->pce_cap_flag.header); | |
0ef4bcdc | 1861 | |
d62a17ae | 1862 | } else { |
996c9314 | 1863 | vty_out(vty, " PCE info is disabled on this router\n"); |
d62a17ae | 1864 | } |
0ef4bcdc | 1865 | |
d62a17ae | 1866 | return CMD_SUCCESS; |
0ef4bcdc OD |
1867 | } |
1868 | ||
1869 | /* Install new CLI commands */ | |
d62a17ae | 1870 | static void ospf_router_info_register_vty(void) |
0ef4bcdc | 1871 | { |
d62a17ae | 1872 | install_element(VIEW_NODE, &show_ip_ospf_router_info_cmd); |
1873 | install_element(VIEW_NODE, &show_ip_ospf_router_info_pce_cmd); | |
1874 | ||
1875 | install_element(OSPF_NODE, &router_info_area_cmd); | |
1876 | install_element(OSPF_NODE, &no_router_info_cmd); | |
1877 | install_element(OSPF_NODE, &pce_address_cmd); | |
1878 | install_element(OSPF_NODE, &no_pce_address_cmd); | |
1879 | install_element(OSPF_NODE, &pce_path_scope_cmd); | |
1880 | install_element(OSPF_NODE, &no_pce_path_scope_cmd); | |
1881 | install_element(OSPF_NODE, &pce_domain_cmd); | |
1882 | install_element(OSPF_NODE, &no_pce_domain_cmd); | |
1883 | install_element(OSPF_NODE, &pce_neighbor_cmd); | |
1884 | install_element(OSPF_NODE, &no_pce_neighbor_cmd); | |
1885 | install_element(OSPF_NODE, &pce_cap_flag_cmd); | |
1886 | install_element(OSPF_NODE, &no_pce_cap_flag_cmd); | |
1887 | ||
1888 | return; | |
0ef4bcdc | 1889 | } |