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Commit | Line | Data |
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0ef4bcdc OD |
1 | /* |
2 | * This is an implementation of RFC4970 Router Information | |
3 | * with support of RFC5088 PCE Capabilites announcement | |
4 | * | |
5 | * Module name: Router Information | |
cf9b9f77 OD |
6 | * Author: Olivier Dugeon <olivier.dugeon@orange.com> |
7 | * Copyright (C) 2012 - 2017 Orange Labs http://www.orange.com/ | |
0ef4bcdc OD |
8 | * |
9 | * This file is part of GNU Quagga. | |
10 | * | |
11 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the | |
13 | * Free Software Foundation; either version 2, or (at your option) any | |
14 | * later version. | |
15 | * | |
16 | * GNU Quagga is distributed in the hope that it will be useful, but | |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * General Public License for more details. | |
20 | * | |
896014f4 DL |
21 | * You should have received a copy of the GNU General Public License along |
22 | * with this program; see the file COPYING; if not, write to the Free Software | |
23 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
0ef4bcdc OD |
24 | */ |
25 | ||
26 | #include <zebra.h> | |
27 | #include <math.h> | |
28 | ||
29 | #include "linklist.h" | |
30 | #include "prefix.h" | |
31 | #include "if.h" | |
32 | #include "table.h" | |
33 | #include "memory.h" | |
34 | #include "command.h" | |
35 | #include "vty.h" | |
36 | #include "stream.h" | |
37 | #include "log.h" | |
38 | #include "thread.h" | |
39 | #include "hash.h" | |
d62a17ae | 40 | #include "sockunion.h" /* for inet_aton() */ |
cf9b9f77 | 41 | #include "mpls.h" |
0ef4bcdc OD |
42 | |
43 | #include "ospfd/ospfd.h" | |
44 | #include "ospfd/ospf_interface.h" | |
45 | #include "ospfd/ospf_ism.h" | |
46 | #include "ospfd/ospf_asbr.h" | |
47 | #include "ospfd/ospf_lsa.h" | |
48 | #include "ospfd/ospf_lsdb.h" | |
49 | #include "ospfd/ospf_neighbor.h" | |
50 | #include "ospfd/ospf_nsm.h" | |
51 | #include "ospfd/ospf_flood.h" | |
52 | #include "ospfd/ospf_packet.h" | |
53 | #include "ospfd/ospf_spf.h" | |
54 | #include "ospfd/ospf_dump.h" | |
55 | #include "ospfd/ospf_route.h" | |
56 | #include "ospfd/ospf_ase.h" | |
57 | #include "ospfd/ospf_zebra.h" | |
cf9b9f77 | 58 | #include "ospfd/ospf_sr.h" |
0ef4bcdc | 59 | #include "ospfd/ospf_ri.h" |
0ef4bcdc | 60 | |
ead99d5f | 61 | /* Store Router Information PCE TLV and SubTLV in network byte order. */ |
d62a17ae | 62 | struct ospf_pce_info { |
32ab5cf4 | 63 | bool enabled; |
d62a17ae | 64 | struct ri_tlv_pce pce_header; |
65 | struct ri_pce_subtlv_address pce_address; | |
66 | struct ri_pce_subtlv_path_scope pce_scope; | |
67 | struct list *pce_domain; | |
68 | struct list *pce_neighbor; | |
69 | struct ri_pce_subtlv_cap_flag pce_cap_flag; | |
0ef4bcdc OD |
70 | }; |
71 | ||
7743f2f8 OD |
72 | /* |
73 | * Store Router Information Segment Routing TLV and SubTLV | |
74 | * in network byte order | |
75 | */ | |
cf9b9f77 OD |
76 | struct ospf_ri_sr_info { |
77 | bool enabled; | |
78 | /* Algorithms supported by the node */ | |
79 | struct ri_sr_tlv_sr_algorithm algo; | |
80 | /* | |
81 | * Segment Routing Global Block i.e. label range | |
82 | * Only one range supported in this code | |
83 | */ | |
84 | struct ri_sr_tlv_sid_label_range range; | |
85 | /* Maximum SID Depth supported by the node */ | |
86 | struct ri_sr_tlv_node_msd msd; | |
87 | }; | |
88 | ||
0ef4bcdc | 89 | /* Following structure are internal use only. */ |
d62a17ae | 90 | struct ospf_router_info { |
32ab5cf4 | 91 | bool enabled; |
0ef4bcdc | 92 | |
d62a17ae | 93 | u_int8_t registered; |
94 | u_int8_t scope; | |
0ef4bcdc | 95 | |
d62a17ae | 96 | /* Flags to manage this router information. */ |
cf9b9f77 | 97 | #define RIFLG_LSA_ENGAGED 0x1 |
ead99d5f | 98 | #define RIFLG_LSA_FORCED_REFRESH 0x2 |
d62a17ae | 99 | u_int32_t flags; |
0ef4bcdc | 100 | |
d62a17ae | 101 | /* area pointer if flooding is Type 10 Null if flooding is AS scope */ |
102 | struct ospf_area *area; | |
103 | struct in_addr area_id; | |
0ef4bcdc | 104 | |
d62a17ae | 105 | /* Store Router Information Capabilities LSA */ |
106 | struct ri_tlv_router_cap router_cap; | |
0ef4bcdc | 107 | |
d62a17ae | 108 | /* Store PCE capability LSA */ |
109 | struct ospf_pce_info pce_info; | |
cf9b9f77 OD |
110 | |
111 | /* Store SR capability LSA */ | |
112 | struct ospf_ri_sr_info sr_info; | |
0ef4bcdc OD |
113 | }; |
114 | ||
115 | /* | |
116 | * Global variable to manage Opaque-LSA/Router Information on this node. | |
117 | * Note that all parameter values are stored in network byte order. | |
118 | */ | |
119 | static struct ospf_router_info OspfRI; | |
120 | ||
121 | /*------------------------------------------------------------------------------* | |
d62a17ae | 122 | * Followings are initialize/terminate functions for Router Information |
123 | *handling. | |
0ef4bcdc OD |
124 | *------------------------------------------------------------------------------*/ |
125 | ||
d62a17ae | 126 | static void ospf_router_info_ism_change(struct ospf_interface *oi, |
127 | int old_status); | |
128 | static void ospf_router_info_nsm_change(struct ospf_neighbor *nbr, | |
129 | int old_status); | |
130 | static void ospf_router_info_config_write_router(struct vty *vty); | |
131 | static void ospf_router_info_show_info(struct vty *vty, struct ospf_lsa *lsa); | |
132 | static int ospf_router_info_lsa_originate(void *arg); | |
133 | static struct ospf_lsa *ospf_router_info_lsa_refresh(struct ospf_lsa *lsa); | |
2a39170c | 134 | static void ospf_router_info_lsa_schedule(enum lsa_opcode opcode); |
d62a17ae | 135 | static void ospf_router_info_register_vty(void); |
cf9b9f77 | 136 | static int ospf_router_info_lsa_update(struct ospf_lsa *lsa); |
d62a17ae | 137 | static void del_pce_info(void *val); |
138 | ||
139 | int ospf_router_info_init(void) | |
0ef4bcdc OD |
140 | { |
141 | ||
cf9b9f77 OD |
142 | zlog_info("RI -> Initialize Router Information"); |
143 | ||
d62a17ae | 144 | memset(&OspfRI, 0, sizeof(struct ospf_router_info)); |
32ab5cf4 | 145 | OspfRI.enabled = false; |
d62a17ae | 146 | OspfRI.registered = 0; |
147 | OspfRI.scope = OSPF_OPAQUE_AS_LSA; | |
cf9b9f77 | 148 | OspfRI.area_id.s_addr = 0; |
d62a17ae | 149 | OspfRI.flags = 0; |
0ef4bcdc | 150 | |
d62a17ae | 151 | /* Initialize pce domain and neighbor list */ |
32ab5cf4 | 152 | OspfRI.pce_info.enabled = false; |
d62a17ae | 153 | OspfRI.pce_info.pce_domain = list_new(); |
154 | OspfRI.pce_info.pce_domain->del = del_pce_info; | |
155 | OspfRI.pce_info.pce_neighbor = list_new(); | |
156 | OspfRI.pce_info.pce_neighbor->del = del_pce_info; | |
0ef4bcdc | 157 | |
cf9b9f77 OD |
158 | /* Initialize Segment Routing information structure */ |
159 | OspfRI.sr_info.enabled = false; | |
160 | ||
d62a17ae | 161 | ospf_router_info_register_vty(); |
0ef4bcdc | 162 | |
d62a17ae | 163 | return 0; |
0ef4bcdc OD |
164 | } |
165 | ||
d62a17ae | 166 | static int ospf_router_info_register(u_int8_t scope) |
0ef4bcdc | 167 | { |
d62a17ae | 168 | int rc = 0; |
169 | ||
170 | if (OspfRI.registered) | |
ead99d5f | 171 | return rc; |
d62a17ae | 172 | |
cf9b9f77 | 173 | zlog_info("RI -> Register Router Information with scope %s(%d)", |
d62a17ae | 174 | scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS", scope); |
175 | rc = ospf_register_opaque_functab( | |
176 | scope, OPAQUE_TYPE_ROUTER_INFORMATION_LSA, | |
177 | NULL, /* new interface */ | |
178 | NULL, /* del interface */ | |
cf9b9f77 OD |
179 | ospf_router_info_ism_change, |
180 | ospf_router_info_nsm_change, | |
d62a17ae | 181 | ospf_router_info_config_write_router, |
182 | NULL, /* Config. write interface */ | |
183 | NULL, /* Config. write debug */ | |
cf9b9f77 OD |
184 | ospf_router_info_show_info, |
185 | ospf_router_info_lsa_originate, | |
186 | ospf_router_info_lsa_refresh, | |
187 | ospf_router_info_lsa_update, | |
188 | NULL); /* del_lsa_hook */ | |
d62a17ae | 189 | |
190 | if (rc != 0) { | |
191 | zlog_warn( | |
192 | "ospf_router_info_init: Failed to register functions"); | |
193 | return rc; | |
194 | } | |
195 | ||
196 | OspfRI.registered = 1; | |
197 | OspfRI.scope = scope; | |
ead99d5f | 198 | return rc; |
0ef4bcdc OD |
199 | } |
200 | ||
bcf4475e OD |
201 | static int ospf_router_info_unregister() |
202 | { | |
203 | ||
204 | if ((OspfRI.scope != OSPF_OPAQUE_AS_LSA) | |
205 | && (OspfRI.scope != OSPF_OPAQUE_AREA_LSA)) { | |
206 | zlog_warn( | |
207 | "Unable to unregister Router Info functions: Wrong scope!"); | |
208 | return -1; | |
209 | } | |
210 | ||
211 | ospf_delete_opaque_functab(OspfRI.scope, | |
212 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
213 | ||
214 | OspfRI.registered = 0; | |
215 | return 0; | |
216 | } | |
217 | ||
d62a17ae | 218 | void ospf_router_info_term(void) |
0ef4bcdc OD |
219 | { |
220 | ||
affe9e99 DS |
221 | list_delete_and_null(&OspfRI.pce_info.pce_domain); |
222 | list_delete_and_null(&OspfRI.pce_info.pce_neighbor); | |
0ef4bcdc | 223 | |
32ab5cf4 | 224 | OspfRI.enabled = false; |
0ef4bcdc | 225 | |
bcf4475e OD |
226 | ospf_router_info_unregister(); |
227 | ||
d62a17ae | 228 | return; |
0ef4bcdc OD |
229 | } |
230 | ||
bcf4475e OD |
231 | void ospf_router_info_finish(void) |
232 | { | |
233 | list_delete_all_node(OspfRI.pce_info.pce_domain); | |
234 | list_delete_all_node(OspfRI.pce_info.pce_neighbor); | |
235 | ||
236 | OspfRI.enabled = false; | |
237 | } | |
238 | ||
d62a17ae | 239 | static void del_pce_info(void *val) |
0ef4bcdc | 240 | { |
d62a17ae | 241 | XFREE(MTYPE_OSPF_PCE_PARAMS, val); |
242 | return; | |
0ef4bcdc OD |
243 | } |
244 | ||
cf9b9f77 OD |
245 | /* Catch RI LSA flooding Scope for ospf_ext.[h,c] code */ |
246 | struct scope_info ospf_router_info_get_flooding_scope(void) | |
247 | { | |
248 | struct scope_info flooding_scope; | |
7743f2f8 | 249 | |
cf9b9f77 OD |
250 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) { |
251 | flooding_scope.scope = OSPF_OPAQUE_AS_LSA; | |
252 | flooding_scope.area_id.s_addr = 0; | |
253 | return flooding_scope; | |
254 | } | |
255 | flooding_scope.scope = OSPF_OPAQUE_AREA_LSA; | |
256 | flooding_scope.area_id.s_addr = OspfRI.area_id.s_addr; | |
257 | return flooding_scope; | |
258 | } | |
259 | ||
0ef4bcdc | 260 | /*------------------------------------------------------------------------* |
d62a17ae | 261 | * Followings are control functions for ROUTER INFORMATION parameters |
262 | *management. | |
0ef4bcdc OD |
263 | *------------------------------------------------------------------------*/ |
264 | ||
d62a17ae | 265 | static void set_router_info_capabilities(struct ri_tlv_router_cap *ric, |
266 | u_int32_t cap) | |
0ef4bcdc | 267 | { |
d62a17ae | 268 | ric->header.type = htons(RI_TLV_CAPABILITIES); |
269 | ric->header.length = htons(RI_TLV_LENGTH); | |
270 | ric->value = htonl(cap); | |
271 | return; | |
0ef4bcdc OD |
272 | } |
273 | ||
d62a17ae | 274 | static int set_pce_header(struct ospf_pce_info *pce) |
0ef4bcdc | 275 | { |
d62a17ae | 276 | u_int16_t length = 0; |
277 | struct listnode *node; | |
278 | struct ri_pce_subtlv_domain *domain; | |
279 | struct ri_pce_subtlv_neighbor *neighbor; | |
280 | ||
281 | /* PCE Address */ | |
282 | if (ntohs(pce->pce_address.header.type) != 0) | |
ead99d5f | 283 | length += TLV_SIZE(&pce->pce_address.header); |
d62a17ae | 284 | |
285 | /* PCE Path Scope */ | |
286 | if (ntohs(pce->pce_scope.header.type) != 0) | |
ead99d5f | 287 | length += TLV_SIZE(&pce->pce_scope.header); |
d62a17ae | 288 | |
289 | /* PCE Domain */ | |
290 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
291 | if (ntohs(domain->header.type) != 0) | |
ead99d5f | 292 | length += TLV_SIZE(&domain->header); |
d62a17ae | 293 | } |
294 | ||
295 | /* PCE Neighbor */ | |
296 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { | |
297 | if (ntohs(neighbor->header.type) != 0) | |
ead99d5f | 298 | length += TLV_SIZE(&neighbor->header); |
d62a17ae | 299 | } |
300 | ||
301 | /* PCE Capabilities */ | |
302 | if (ntohs(pce->pce_cap_flag.header.type) != 0) | |
ead99d5f | 303 | length += TLV_SIZE(&pce->pce_cap_flag.header); |
d62a17ae | 304 | |
305 | if (length != 0) { | |
306 | pce->pce_header.header.type = htons(RI_TLV_PCE); | |
307 | pce->pce_header.header.length = htons(length); | |
32ab5cf4 | 308 | pce->enabled = true; |
d62a17ae | 309 | } else { |
310 | pce->pce_header.header.type = 0; | |
311 | pce->pce_header.header.length = 0; | |
32ab5cf4 | 312 | pce->enabled = false; |
d62a17ae | 313 | } |
314 | ||
315 | return length; | |
0ef4bcdc OD |
316 | } |
317 | ||
d62a17ae | 318 | static void set_pce_address(struct in_addr ipv4, struct ospf_pce_info *pce) |
0ef4bcdc OD |
319 | { |
320 | ||
d62a17ae | 321 | /* Enable PCE Info */ |
322 | pce->pce_header.header.type = htons(RI_TLV_PCE); | |
323 | /* Set PCE Address */ | |
324 | pce->pce_address.header.type = htons(RI_PCE_SUBTLV_ADDRESS); | |
325 | pce->pce_address.header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
326 | pce->pce_address.address.type = htons(PCE_ADDRESS_TYPE_IPV4); | |
327 | pce->pce_address.address.value = ipv4; | |
0ef4bcdc | 328 | |
d62a17ae | 329 | return; |
0ef4bcdc OD |
330 | } |
331 | ||
d62a17ae | 332 | static void set_pce_path_scope(u_int32_t scope, struct ospf_pce_info *pce) |
0ef4bcdc OD |
333 | { |
334 | ||
d62a17ae | 335 | /* Set PCE Scope */ |
336 | pce->pce_scope.header.type = htons(RI_PCE_SUBTLV_PATH_SCOPE); | |
337 | pce->pce_scope.header.length = htons(RI_TLV_LENGTH); | |
338 | pce->pce_scope.value = htonl(scope); | |
0ef4bcdc | 339 | |
d62a17ae | 340 | return; |
0ef4bcdc OD |
341 | } |
342 | ||
d62a17ae | 343 | static void set_pce_domain(u_int16_t type, u_int32_t domain, |
344 | struct ospf_pce_info *pce) | |
0ef4bcdc OD |
345 | { |
346 | ||
d62a17ae | 347 | struct ri_pce_subtlv_domain *new; |
0ef4bcdc | 348 | |
d62a17ae | 349 | /* Create new domain info */ |
350 | new = XCALLOC(MTYPE_OSPF_PCE_PARAMS, | |
351 | sizeof(struct ri_pce_subtlv_domain)); | |
0ef4bcdc | 352 | |
d62a17ae | 353 | new->header.type = htons(RI_PCE_SUBTLV_DOMAIN); |
354 | new->header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
355 | new->type = htons(type); | |
356 | new->value = htonl(domain); | |
0ef4bcdc | 357 | |
d62a17ae | 358 | /* Add new domain to the list */ |
359 | listnode_add(pce->pce_domain, new); | |
0ef4bcdc | 360 | |
d62a17ae | 361 | return; |
0ef4bcdc OD |
362 | } |
363 | ||
d62a17ae | 364 | static void unset_pce_domain(u_int16_t type, u_int32_t domain, |
365 | struct ospf_pce_info *pce) | |
0ef4bcdc | 366 | { |
d62a17ae | 367 | struct listnode *node; |
368 | struct ri_pce_subtlv_domain *old = NULL; | |
369 | int found = 0; | |
370 | ||
371 | /* Search the corresponding node */ | |
372 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, old)) { | |
373 | if ((old->type == htons(type)) | |
374 | && (old->value == htonl(domain))) { | |
375 | found = 1; | |
376 | break; | |
377 | } | |
378 | } | |
379 | ||
380 | /* if found remove it */ | |
381 | if (found) { | |
382 | listnode_delete(pce->pce_domain, old); | |
383 | ||
384 | /* Avoid misjudgement in the next lookup. */ | |
385 | if (listcount(pce->pce_domain) == 0) | |
386 | pce->pce_domain->head = pce->pce_domain->tail = NULL; | |
387 | ||
388 | /* Finally free the old domain */ | |
389 | XFREE(MTYPE_OSPF_PCE_PARAMS, old); | |
390 | } | |
0ef4bcdc OD |
391 | } |
392 | ||
d62a17ae | 393 | static void set_pce_neighbor(u_int16_t type, u_int32_t domain, |
394 | struct ospf_pce_info *pce) | |
0ef4bcdc OD |
395 | { |
396 | ||
d62a17ae | 397 | struct ri_pce_subtlv_neighbor *new; |
0ef4bcdc | 398 | |
d62a17ae | 399 | /* Create new neighbor info */ |
400 | new = XCALLOC(MTYPE_OSPF_PCE_PARAMS, | |
401 | sizeof(struct ri_pce_subtlv_neighbor)); | |
0ef4bcdc | 402 | |
d62a17ae | 403 | new->header.type = htons(RI_PCE_SUBTLV_NEIGHBOR); |
404 | new->header.length = htons(PCE_ADDRESS_LENGTH_IPV4); | |
405 | new->type = htons(type); | |
406 | new->value = htonl(domain); | |
0ef4bcdc | 407 | |
d62a17ae | 408 | /* Add new domain to the list */ |
409 | listnode_add(pce->pce_neighbor, new); | |
0ef4bcdc | 410 | |
d62a17ae | 411 | return; |
0ef4bcdc OD |
412 | } |
413 | ||
d62a17ae | 414 | static void unset_pce_neighbor(u_int16_t type, u_int32_t domain, |
415 | struct ospf_pce_info *pce) | |
0ef4bcdc | 416 | { |
d62a17ae | 417 | struct listnode *node; |
418 | struct ri_pce_subtlv_neighbor *old = NULL; | |
419 | int found = 0; | |
420 | ||
421 | /* Search the corresponding node */ | |
422 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, old)) { | |
423 | if ((old->type == htons(type)) | |
424 | && (old->value == htonl(domain))) { | |
425 | found = 1; | |
426 | break; | |
427 | } | |
428 | } | |
429 | ||
430 | /* if found remove it */ | |
431 | if (found) { | |
432 | listnode_delete(pce->pce_neighbor, old); | |
433 | ||
434 | /* Avoid misjudgement in the next lookup. */ | |
435 | if (listcount(pce->pce_neighbor) == 0) | |
436 | pce->pce_neighbor->head = pce->pce_neighbor->tail = | |
437 | NULL; | |
438 | ||
439 | /* Finally free the old domain */ | |
440 | XFREE(MTYPE_OSPF_PCE_PARAMS, old); | |
441 | } | |
0ef4bcdc OD |
442 | } |
443 | ||
d62a17ae | 444 | static void set_pce_cap_flag(u_int32_t cap, struct ospf_pce_info *pce) |
0ef4bcdc OD |
445 | { |
446 | ||
d62a17ae | 447 | /* Set PCE Capabilities flag */ |
448 | pce->pce_cap_flag.header.type = htons(RI_PCE_SUBTLV_CAP_FLAG); | |
449 | pce->pce_cap_flag.header.length = htons(RI_TLV_LENGTH); | |
450 | pce->pce_cap_flag.value = htonl(cap); | |
0ef4bcdc | 451 | |
d62a17ae | 452 | return; |
0ef4bcdc OD |
453 | } |
454 | ||
cf9b9f77 OD |
455 | /* Segment Routing TLV setter */ |
456 | ||
457 | /* Algorithm SubTLV - section 3.1 */ | |
93f0a26e | 458 | static void set_sr_algorithm(uint8_t algo) |
cf9b9f77 OD |
459 | { |
460 | ||
461 | OspfRI.sr_info.algo.value[0] = algo; | |
462 | for (int i = 1; i < ALGORITHM_COUNT; i++) | |
463 | OspfRI.sr_info.algo.value[i] = SR_ALGORITHM_UNSET; | |
464 | ||
465 | /* Set TLV type and length == only 1 Algorithm */ | |
466 | TLV_TYPE(OspfRI.sr_info.algo) = htons(RI_SR_TLV_SR_ALGORITHM); | |
93f0a26e | 467 | TLV_LEN(OspfRI.sr_info.algo) = htons(sizeof(uint8_t)); |
cf9b9f77 | 468 | |
cf9b9f77 OD |
469 | } |
470 | ||
471 | /* unset Aglogithm SubTLV */ | |
93f0a26e | 472 | static void unset_sr_algorithm(uint8_t algo) |
cf9b9f77 OD |
473 | { |
474 | ||
475 | for (int i = 0; i < ALGORITHM_COUNT; i++) | |
476 | OspfRI.sr_info.algo.value[i] = SR_ALGORITHM_UNSET; | |
477 | ||
478 | /* Unset TLV type and length */ | |
479 | TLV_TYPE(OspfRI.sr_info.algo) = htons(0); | |
480 | TLV_LEN(OspfRI.sr_info.algo) = htons(0); | |
481 | ||
cf9b9f77 OD |
482 | } |
483 | ||
484 | /* Segment Routing Global Block SubTLV - section 3.2 */ | |
485 | static void set_sr_sid_label_range(struct sr_srgb srgb) | |
486 | { | |
487 | /* Set Header */ | |
488 | TLV_TYPE(OspfRI.sr_info.range) = htons(RI_SR_TLV_SID_LABEL_RANGE); | |
489 | TLV_LEN(OspfRI.sr_info.range) = | |
93f0a26e | 490 | htons(SUBTLV_SID_LABEL_SIZE + sizeof(uint32_t)); |
cf9b9f77 OD |
491 | /* Set Range Size */ |
492 | OspfRI.sr_info.range.size = htonl(SET_RANGE_SIZE(srgb.range_size)); | |
493 | /* Set Lower bound label SubTLV */ | |
494 | TLV_TYPE(OspfRI.sr_info.range.lower) = htons(SUBTLV_SID_LABEL); | |
495 | TLV_LEN(OspfRI.sr_info.range.lower) = htons(SID_RANGE_LABEL_LENGTH); | |
496 | OspfRI.sr_info.range.lower.value = htonl(SET_LABEL(srgb.lower_bound)); | |
497 | ||
cf9b9f77 OD |
498 | } |
499 | ||
500 | /* Unset this SRGB SubTLV */ | |
7743f2f8 | 501 | static void unset_sr_sid_label_range(void) |
cf9b9f77 OD |
502 | { |
503 | ||
504 | TLV_TYPE(OspfRI.sr_info.range) = htons(0); | |
505 | TLV_LEN(OspfRI.sr_info.range) = htons(0); | |
506 | TLV_TYPE(OspfRI.sr_info.range.lower) = htons(0); | |
507 | TLV_LEN(OspfRI.sr_info.range.lower) = htons(0); | |
508 | ||
cf9b9f77 OD |
509 | } |
510 | ||
511 | /* Set Maximum Stack Depth for this router */ | |
93f0a26e | 512 | static void set_sr_node_msd(uint8_t msd) |
cf9b9f77 OD |
513 | { |
514 | TLV_TYPE(OspfRI.sr_info.msd) = htons(RI_SR_TLV_NODE_MSD); | |
93f0a26e | 515 | TLV_LEN(OspfRI.sr_info.msd) = htons(sizeof(uint32_t)); |
cf9b9f77 OD |
516 | OspfRI.sr_info.msd.value = msd; |
517 | ||
cf9b9f77 OD |
518 | } |
519 | ||
520 | /* Unset this router MSD */ | |
7743f2f8 | 521 | static void unset_sr_node_msd(void) |
cf9b9f77 OD |
522 | { |
523 | TLV_TYPE(OspfRI.sr_info.msd) = htons(0); | |
524 | TLV_LEN(OspfRI.sr_info.msd) = htons(0); | |
525 | ||
cf9b9f77 | 526 | } |
0ef4bcdc | 527 | |
ead99d5f | 528 | static void unset_param(struct tlv_header *tlv) |
0ef4bcdc OD |
529 | { |
530 | ||
d62a17ae | 531 | tlv->type = 0; |
532 | /* Fill the Value to 0 */ | |
ead99d5f | 533 | memset(TLV_DATA(tlv), 0, TLV_BODY_SIZE(tlv)); |
d62a17ae | 534 | tlv->length = 0; |
0ef4bcdc | 535 | |
d62a17ae | 536 | return; |
0ef4bcdc OD |
537 | } |
538 | ||
d62a17ae | 539 | static void initialize_params(struct ospf_router_info *ori) |
0ef4bcdc | 540 | { |
ead99d5f | 541 | u_int32_t cap = 0; |
d62a17ae | 542 | struct ospf *top; |
543 | ||
544 | /* | |
545 | * Initialize default Router Information Capabilities. | |
546 | */ | |
ead99d5f | 547 | cap = RI_TE_SUPPORT; |
d62a17ae | 548 | |
549 | set_router_info_capabilities(&ori->router_cap, cap); | |
550 | ||
551 | /* If Area address is not null and exist, retrieve corresponding | |
552 | * structure */ | |
b5a8894d | 553 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 554 | zlog_info("RI-> Initialize Router Info for %s scope within area %s", |
555 | OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" : "AS", | |
556 | inet_ntoa(OspfRI.area_id)); | |
557 | ||
558 | /* Try to get the Area context at this step. Do it latter if not | |
559 | * available */ | |
560 | if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) | |
561 | OspfRI.area = ospf_area_lookup_by_area_id(top, OspfRI.area_id); | |
562 | ||
563 | /* | |
564 | * Initialize default PCE Information values | |
565 | */ | |
566 | /* PCE address == OSPF Router ID */ | |
567 | set_pce_address(top->router_id, &ori->pce_info); | |
568 | ||
569 | /* PCE scope */ | |
570 | cap = 7; /* Set L, R and Rd bits to one = intra & inter-area path | |
571 | computation */ | |
572 | set_pce_path_scope(cap, &ori->pce_info); | |
573 | ||
574 | /* PCE Capabilities */ | |
575 | cap = PCE_CAP_BIDIRECTIONAL | PCE_CAP_DIVERSE_PATH | PCE_CAP_OBJECTIVES | |
576 | | PCE_CAP_ADDITIVE | PCE_CAP_MULTIPLE_REQ; | |
577 | set_pce_cap_flag(cap, &ori->pce_info); | |
578 | ||
d62a17ae | 579 | return; |
0ef4bcdc OD |
580 | } |
581 | ||
d62a17ae | 582 | static int is_mandated_params_set(struct ospf_router_info ori) |
0ef4bcdc | 583 | { |
d62a17ae | 584 | int rc = 0; |
0ef4bcdc | 585 | |
d62a17ae | 586 | if (ntohs(ori.router_cap.header.type) == 0) |
ead99d5f | 587 | return rc; |
0ef4bcdc | 588 | |
d62a17ae | 589 | if ((ntohs(ori.pce_info.pce_header.header.type) == RI_TLV_PCE) |
590 | && (ntohs(ori.pce_info.pce_address.header.type) == 0) | |
591 | && (ntohs(ori.pce_info.pce_cap_flag.header.type) == 0)) | |
ead99d5f | 592 | return rc; |
0ef4bcdc | 593 | |
cf9b9f77 OD |
594 | if ((ori.sr_info.enabled) && (ntohs(TLV_TYPE(ori.sr_info.algo)) == 0) |
595 | && (ntohs(TLV_TYPE(ori.sr_info.range)) == 0)) | |
596 | return rc; | |
597 | ||
d62a17ae | 598 | rc = 1; |
0ef4bcdc | 599 | |
d62a17ae | 600 | return rc; |
0ef4bcdc OD |
601 | } |
602 | ||
cf9b9f77 OD |
603 | /* |
604 | * Used by Segment Routing to set new TLVs and Sub-TLVs values | |
605 | * | |
606 | * @param enable To activate or not Segment Routing router Information flooding | |
607 | * @param size Size of Label Range i.e. SRGB size | |
608 | * @param lower Lower bound of the Label Range i.e. SRGB first label | |
609 | * @param msd Maximum label Stack Depth suported by the router | |
610 | * | |
611 | * @return none | |
612 | */ | |
93f0a26e | 613 | void ospf_router_info_update_sr(bool enable, struct sr_srgb srgb, uint8_t msd) |
cf9b9f77 OD |
614 | { |
615 | ||
616 | /* First activate and initialize Router Information is necessary */ | |
617 | if (!OspfRI.enabled) { | |
618 | OspfRI.enabled = true; | |
619 | initialize_params(&OspfRI); | |
620 | } | |
621 | ||
622 | if (IS_DEBUG_OSPF_SR) | |
623 | zlog_debug("RI-> %s Routing Information for Segment Routing", | |
624 | enable ? "Enable" : "Disable"); | |
625 | ||
626 | /* Unset or Set SR parameters */ | |
627 | if (!enable) { | |
628 | unset_sr_algorithm(SR_ALGORITHM_SPF); | |
629 | unset_sr_sid_label_range(); | |
630 | unset_sr_node_msd(); | |
631 | OspfRI.sr_info.enabled = false; | |
632 | } else { | |
633 | // Only SR_ALGORITHM_SPF is supported | |
634 | set_sr_algorithm(SR_ALGORITHM_SPF); | |
635 | set_sr_sid_label_range(srgb); | |
636 | if (msd != 0) | |
637 | set_sr_node_msd(msd); | |
638 | else | |
639 | unset_sr_node_msd(); | |
640 | OspfRI.sr_info.enabled = true; | |
641 | } | |
642 | ||
643 | /* Refresh if already engaged or originate RI LSA */ | |
644 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) | |
645 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); | |
646 | else | |
647 | ospf_router_info_lsa_schedule(REORIGINATE_THIS_LSA); | |
648 | } | |
649 | ||
0ef4bcdc OD |
650 | /*------------------------------------------------------------------------* |
651 | * Followings are callback functions against generic Opaque-LSAs handling. | |
652 | *------------------------------------------------------------------------*/ | |
d62a17ae | 653 | static void ospf_router_info_ism_change(struct ospf_interface *oi, |
654 | int old_state) | |
0ef4bcdc | 655 | { |
d62a17ae | 656 | /* So far, nothing to do here. */ |
657 | return; | |
0ef4bcdc OD |
658 | } |
659 | ||
d62a17ae | 660 | static void ospf_router_info_nsm_change(struct ospf_neighbor *nbr, |
661 | int old_state) | |
0ef4bcdc | 662 | { |
d62a17ae | 663 | /* So far, nothing to do here. */ |
664 | return; | |
0ef4bcdc OD |
665 | } |
666 | ||
667 | /*------------------------------------------------------------------------* | |
668 | * Followings are OSPF protocol processing functions for ROUTER INFORMATION | |
669 | *------------------------------------------------------------------------*/ | |
670 | ||
ead99d5f | 671 | static void build_tlv_header(struct stream *s, struct tlv_header *tlvh) |
0ef4bcdc OD |
672 | { |
673 | ||
ead99d5f | 674 | stream_put(s, tlvh, sizeof(struct tlv_header)); |
d62a17ae | 675 | return; |
0ef4bcdc OD |
676 | } |
677 | ||
ead99d5f | 678 | static void build_tlv(struct stream *s, struct tlv_header *tlvh) |
0ef4bcdc OD |
679 | { |
680 | ||
d62a17ae | 681 | if (ntohs(tlvh->type) != 0) { |
682 | build_tlv_header(s, tlvh); | |
5d0df50f | 683 | stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh)); |
d62a17ae | 684 | } |
685 | return; | |
0ef4bcdc OD |
686 | } |
687 | ||
d62a17ae | 688 | static void ospf_router_info_lsa_body_set(struct stream *s) |
0ef4bcdc OD |
689 | { |
690 | ||
d62a17ae | 691 | struct listnode *node; |
692 | struct ri_pce_subtlv_domain *domain; | |
693 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 694 | |
d62a17ae | 695 | /* Build Router Information TLV */ |
696 | build_tlv(s, &OspfRI.router_cap.header); | |
0ef4bcdc | 697 | |
cf9b9f77 OD |
698 | /* Build Segment Routing TLVs if enabled */ |
699 | if (OspfRI.sr_info.enabled) { | |
700 | /* Build Algorithm TLV */ | |
701 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.algo)); | |
702 | /* Build SRGB TLV */ | |
703 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.range)); | |
704 | /* Build MSD TLV */ | |
705 | build_tlv(s, &TLV_HDR(OspfRI.sr_info.msd)); | |
706 | } | |
ead99d5f OD |
707 | |
708 | /* Add RI PCE TLV if it is set */ | |
32ab5cf4 | 709 | if (OspfRI.pce_info.enabled) { |
0ef4bcdc | 710 | |
cf9b9f77 OD |
711 | /* Compute PCE Info header first */ |
712 | set_pce_header (&OspfRI.pce_info); | |
713 | ||
d62a17ae | 714 | /* Build PCE TLV */ |
715 | build_tlv_header(s, &OspfRI.pce_info.pce_header.header); | |
0ef4bcdc | 716 | |
d62a17ae | 717 | /* Build PCE address sub-tlv */ |
718 | build_tlv(s, &OspfRI.pce_info.pce_address.header); | |
0ef4bcdc | 719 | |
d62a17ae | 720 | /* Build PCE path scope sub-tlv */ |
721 | build_tlv(s, &OspfRI.pce_info.pce_scope.header); | |
0ef4bcdc | 722 | |
d62a17ae | 723 | /* Build PCE domain sub-tlv */ |
724 | for (ALL_LIST_ELEMENTS_RO(OspfRI.pce_info.pce_domain, node, | |
725 | domain)) | |
726 | build_tlv(s, &domain->header); | |
0ef4bcdc | 727 | |
d62a17ae | 728 | /* Build PCE neighbor sub-tlv */ |
729 | for (ALL_LIST_ELEMENTS_RO(OspfRI.pce_info.pce_neighbor, node, | |
730 | neighbor)) | |
731 | build_tlv(s, &neighbor->header); | |
0ef4bcdc | 732 | |
d62a17ae | 733 | /* Build PCE cap flag sub-tlv */ |
734 | build_tlv(s, &OspfRI.pce_info.pce_cap_flag.header); | |
735 | } | |
0ef4bcdc | 736 | |
d62a17ae | 737 | return; |
0ef4bcdc OD |
738 | } |
739 | ||
740 | /* Create new opaque-LSA. */ | |
d62a17ae | 741 | static struct ospf_lsa *ospf_router_info_lsa_new() |
0ef4bcdc | 742 | { |
d62a17ae | 743 | struct ospf *top; |
744 | struct stream *s; | |
745 | struct lsa_header *lsah; | |
746 | struct ospf_lsa *new = NULL; | |
747 | u_char options, lsa_type; | |
748 | struct in_addr lsa_id; | |
749 | u_int32_t tmp; | |
750 | u_int16_t length; | |
751 | ||
752 | /* Create a stream for LSA. */ | |
753 | if ((s = stream_new(OSPF_MAX_LSA_SIZE)) == NULL) { | |
754 | zlog_warn("ospf_router_info_lsa_new: stream_new() ?"); | |
ead99d5f | 755 | return NULL; |
d62a17ae | 756 | } |
757 | lsah = (struct lsa_header *)STREAM_DATA(s); | |
758 | ||
759 | options = OSPF_OPTION_E; /* Enable AS external as we flood RI with | |
760 | Opaque Type 11 */ | |
761 | options |= OSPF_OPTION_O; /* Don't forget this :-) */ | |
762 | ||
763 | lsa_type = OspfRI.scope; | |
764 | /* LSA ID == 0 for Router Information see RFC 4970 */ | |
765 | tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); | |
766 | lsa_id.s_addr = htonl(tmp); | |
767 | ||
768 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) | |
769 | zlog_debug( | |
770 | "LSA[Type%d:%s]: Create an Opaque-LSA/ROUTER INFORMATION instance", | |
771 | lsa_type, inet_ntoa(lsa_id)); | |
772 | ||
b5a8894d | 773 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 774 | |
775 | /* Set opaque-LSA header fields. */ | |
776 | lsa_header_set(s, options, lsa_type, lsa_id, top->router_id); | |
777 | ||
778 | /* Set opaque-LSA body fields. */ | |
779 | ospf_router_info_lsa_body_set(s); | |
780 | ||
781 | /* Set length. */ | |
782 | length = stream_get_endp(s); | |
783 | lsah->length = htons(length); | |
784 | ||
785 | /* Now, create an OSPF LSA instance. */ | |
786 | if ((new = ospf_lsa_new()) == NULL) { | |
787 | zlog_warn("ospf_router_info_lsa_new: ospf_lsa_new() ?"); | |
788 | stream_free(s); | |
ead99d5f | 789 | return NULL; |
d62a17ae | 790 | } |
791 | if ((new->data = ospf_lsa_data_new(length)) == NULL) { | |
792 | zlog_warn("ospf_router_info_lsa_new: ospf_lsa_data_new() ?"); | |
793 | ospf_lsa_unlock(&new); | |
794 | new = NULL; | |
795 | stream_free(s); | |
ead99d5f | 796 | return new; |
d62a17ae | 797 | } |
798 | ||
799 | new->area = OspfRI.area; /* Area must be null if the Opaque type is AS | |
800 | scope, fulfill otherwise */ | |
801 | ||
b5a8894d CS |
802 | if (new->area && new->area->ospf) |
803 | new->vrf_id = new->area->ospf->vrf_id; | |
804 | else | |
805 | new->vrf_id = VRF_DEFAULT; | |
806 | ||
d62a17ae | 807 | SET_FLAG(new->flags, OSPF_LSA_SELF); |
808 | memcpy(new->data, lsah, length); | |
809 | stream_free(s); | |
810 | ||
d62a17ae | 811 | return new; |
0ef4bcdc OD |
812 | } |
813 | ||
d62a17ae | 814 | static int ospf_router_info_lsa_originate1(void *arg) |
0ef4bcdc | 815 | { |
d62a17ae | 816 | struct ospf_lsa *new; |
817 | struct ospf *top; | |
818 | struct ospf_area *area; | |
819 | int rc = -1; | |
b5a8894d | 820 | vrf_id_t vrf_id = VRF_DEFAULT; |
d62a17ae | 821 | |
822 | /* First check if the area is known if flooding scope is Area */ | |
823 | if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) { | |
824 | area = (struct ospf_area *)arg; | |
825 | if (area->area_id.s_addr != OspfRI.area_id.s_addr) { | |
826 | zlog_debug( | |
827 | "RI -> This is not the Router Information Area. Stop processing"); | |
ead99d5f | 828 | return rc; |
d62a17ae | 829 | } |
830 | OspfRI.area = area; | |
b5a8894d CS |
831 | if (area->ospf) |
832 | vrf_id = area->ospf->vrf_id; | |
d62a17ae | 833 | } |
834 | ||
835 | /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ | |
836 | if ((new = ospf_router_info_lsa_new()) == NULL) { | |
837 | zlog_warn( | |
838 | "ospf_router_info_lsa_originate1: ospf_router_info_lsa_new() ?"); | |
ead99d5f | 839 | return rc; |
d62a17ae | 840 | } |
b5a8894d | 841 | new->vrf_id = vrf_id; |
d62a17ae | 842 | |
843 | /* Get ospf info */ | |
b5a8894d CS |
844 | top = ospf_lookup_by_vrf_id(vrf_id); |
845 | if (top == NULL) { | |
846 | zlog_debug("%s: ospf instance not found for vrf id %u", | |
847 | __PRETTY_FUNCTION__, vrf_id); | |
c2a2f37b | 848 | ospf_lsa_unlock(&new); |
b5a8894d CS |
849 | return rc; |
850 | } | |
d62a17ae | 851 | |
852 | /* Install this LSA into LSDB. */ | |
853 | if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) { | |
854 | zlog_warn( | |
855 | "ospf_router_info_lsa_originate1: ospf_lsa_install() ?"); | |
856 | ospf_lsa_unlock(&new); | |
ead99d5f | 857 | return rc; |
d62a17ae | 858 | } |
859 | ||
860 | /* Now this Router Info parameter entry has associated LSA. */ | |
861 | SET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); | |
862 | ||
863 | /* Update new LSA origination count. */ | |
864 | top->lsa_originate_count++; | |
865 | ||
866 | /* Flood new LSA through AS. */ | |
867 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
868 | ospf_flood_through_as(top, NULL /*nbr */, new); | |
869 | else | |
870 | ospf_flood_through_area(OspfRI.area, NULL /*nbr */, new); | |
871 | ||
872 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) { | |
873 | zlog_debug( | |
874 | "LSA[Type%d:%s]: Originate Opaque-LSA/ROUTER INFORMATION", | |
875 | new->data->type, inet_ntoa(new->data->id)); | |
876 | ospf_lsa_header_dump(new->data); | |
877 | } | |
878 | ||
879 | rc = 0; | |
d62a17ae | 880 | return rc; |
0ef4bcdc OD |
881 | } |
882 | ||
d62a17ae | 883 | static int ospf_router_info_lsa_originate(void *arg) |
0ef4bcdc OD |
884 | { |
885 | ||
d62a17ae | 886 | int rc = -1; |
887 | ||
32ab5cf4 | 888 | if (!OspfRI.enabled) { |
d62a17ae | 889 | zlog_info( |
890 | "ospf_router_info_lsa_originate: ROUTER INFORMATION is disabled now."); | |
891 | rc = 0; /* This is not an error case. */ | |
ead99d5f | 892 | return rc; |
d62a17ae | 893 | } |
894 | ||
895 | /* Check if Router Information LSA is already engaged */ | |
32ab5cf4 OD |
896 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) { |
897 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_FORCED_REFRESH)) { | |
ead99d5f | 898 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_FORCED_REFRESH); |
d62a17ae | 899 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
900 | } | |
901 | } else { | |
902 | if (!is_mandated_params_set(OspfRI)) | |
903 | zlog_warn( | |
904 | "ospf_router_info_lsa_originate: lacks mandated ROUTER INFORMATION parameters"); | |
905 | ||
906 | /* Ok, let's try to originate an LSA */ | |
907 | if (ospf_router_info_lsa_originate1(arg) != 0) | |
ead99d5f | 908 | return rc; |
d62a17ae | 909 | } |
910 | ||
911 | rc = 0; | |
d62a17ae | 912 | return rc; |
0ef4bcdc OD |
913 | } |
914 | ||
d62a17ae | 915 | static struct ospf_lsa *ospf_router_info_lsa_refresh(struct ospf_lsa *lsa) |
0ef4bcdc | 916 | { |
d62a17ae | 917 | struct ospf_lsa *new = NULL; |
918 | struct ospf *top; | |
919 | ||
32ab5cf4 | 920 | if (!OspfRI.enabled) { |
d62a17ae | 921 | /* |
922 | * This LSA must have flushed before due to ROUTER INFORMATION | |
923 | * status change. | |
924 | * It seems a slip among routers in the routing domain. | |
925 | */ | |
926 | zlog_info( | |
927 | "ospf_router_info_lsa_refresh: ROUTER INFORMATION is disabled now."); | |
928 | lsa->data->ls_age = | |
929 | htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */ | |
930 | } | |
931 | ||
932 | /* Verify that the Router Information ID is supported */ | |
933 | if (GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr)) != 0) { | |
934 | zlog_warn( | |
935 | "ospf_router_info_lsa_refresh: Unsupported Router Information ID"); | |
ead99d5f | 936 | return NULL; |
d62a17ae | 937 | } |
938 | ||
939 | /* If the lsa's age reached to MaxAge, start flushing procedure. */ | |
940 | if (IS_LSA_MAXAGE(lsa)) { | |
ead99d5f | 941 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); |
d62a17ae | 942 | ospf_opaque_lsa_flush_schedule(lsa); |
ead99d5f | 943 | return NULL; |
d62a17ae | 944 | } |
945 | ||
946 | /* Create new Opaque-LSA/ROUTER INFORMATION instance. */ | |
947 | if ((new = ospf_router_info_lsa_new()) == NULL) { | |
948 | zlog_warn( | |
949 | "ospf_router_info_lsa_refresh: ospf_router_info_lsa_new() ?"); | |
ead99d5f | 950 | return NULL; |
d62a17ae | 951 | } |
952 | new->data->ls_seqnum = lsa_seqnum_increment(lsa); | |
b5a8894d | 953 | new->vrf_id = lsa->vrf_id; |
d62a17ae | 954 | |
955 | /* Install this LSA into LSDB. */ | |
956 | /* Given "lsa" will be freed in the next function. */ | |
b5a8894d | 957 | top = ospf_lookup_by_vrf_id(lsa->vrf_id); |
d62a17ae | 958 | if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) { |
959 | zlog_warn("ospf_router_info_lsa_refresh: ospf_lsa_install() ?"); | |
960 | ospf_lsa_unlock(&new); | |
ead99d5f | 961 | return new; |
d62a17ae | 962 | } |
963 | ||
964 | /* Flood updated LSA through AS or AREA depending of OspfRI.scope. */ | |
965 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
966 | ospf_flood_through_as(top, NULL /*nbr */, new); | |
967 | else | |
968 | ospf_flood_through_area(OspfRI.area, NULL /*nbr */, new); | |
969 | ||
970 | /* Debug logging. */ | |
971 | if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) { | |
972 | zlog_debug( | |
973 | "LSA[Type%d:%s]: Refresh Opaque-LSA/ROUTER INFORMATION", | |
974 | new->data->type, inet_ntoa(new->data->id)); | |
975 | ospf_lsa_header_dump(new->data); | |
976 | } | |
977 | ||
d62a17ae | 978 | return new; |
0ef4bcdc OD |
979 | } |
980 | ||
2a39170c | 981 | static void ospf_router_info_lsa_schedule(enum lsa_opcode opcode) |
0ef4bcdc | 982 | { |
d62a17ae | 983 | struct ospf_lsa lsa; |
984 | struct lsa_header lsah; | |
985 | struct ospf *top; | |
986 | u_int32_t tmp; | |
987 | ||
988 | memset(&lsa, 0, sizeof(lsa)); | |
989 | memset(&lsah, 0, sizeof(lsah)); | |
990 | ||
991 | zlog_debug("RI-> LSA schedule %s%s%s", | |
992 | opcode == REORIGINATE_THIS_LSA ? "Re-Originate" : "", | |
993 | opcode == REFRESH_THIS_LSA ? "Refresh" : "", | |
994 | opcode == FLUSH_THIS_LSA ? "Flush" : ""); | |
995 | ||
ead99d5f OD |
996 | /* Check LSA flags state coherence */ |
997 | if (!CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED) && (opcode != REORIGINATE_THIS_LSA)) | |
998 | return; | |
999 | ||
1000 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED) && (opcode == REORIGINATE_THIS_LSA)) | |
1001 | opcode = REFRESH_THIS_LSA; | |
1002 | ||
b5a8894d | 1003 | top = ospf_lookup_by_vrf_id(VRF_DEFAULT); |
d62a17ae | 1004 | if ((OspfRI.scope == OSPF_OPAQUE_AREA_LSA) && (OspfRI.area == NULL)) { |
1005 | zlog_warn( | |
1006 | "ospf_router_info_lsa_schedule(): Router Info is Area scope flooding but area is not set"); | |
1007 | OspfRI.area = ospf_area_lookup_by_area_id(top, OspfRI.area_id); | |
1008 | } | |
1009 | lsa.area = OspfRI.area; | |
1010 | lsa.data = &lsah; | |
1011 | lsah.type = OspfRI.scope; | |
1012 | ||
1013 | /* LSA ID is set to 0 for the Router Information. See RFC 4970 */ | |
1014 | tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_ROUTER_INFORMATION_LSA, 0); | |
1015 | lsah.id.s_addr = htonl(tmp); | |
1016 | ||
1017 | switch (opcode) { | |
1018 | case REORIGINATE_THIS_LSA: | |
1019 | if (OspfRI.scope == OSPF_OPAQUE_AREA_LSA) | |
1020 | ospf_opaque_lsa_reoriginate_schedule( | |
1021 | (void *)OspfRI.area, OSPF_OPAQUE_AREA_LSA, | |
1022 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
1023 | else | |
1024 | ospf_opaque_lsa_reoriginate_schedule( | |
1025 | (void *)top, OSPF_OPAQUE_AS_LSA, | |
1026 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA); | |
1027 | break; | |
1028 | case REFRESH_THIS_LSA: | |
1029 | ospf_opaque_lsa_refresh_schedule(&lsa); | |
1030 | break; | |
1031 | case FLUSH_THIS_LSA: | |
ead99d5f | 1032 | UNSET_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED); |
d62a17ae | 1033 | ospf_opaque_lsa_flush_schedule(&lsa); |
1034 | break; | |
1035 | default: | |
1036 | zlog_warn("ospf_router_info_lsa_schedule: Unknown opcode (%u)", | |
1037 | opcode); | |
1038 | break; | |
1039 | } | |
1040 | ||
1041 | return; | |
0ef4bcdc OD |
1042 | } |
1043 | ||
cf9b9f77 OD |
1044 | /* Callback to handle Segment Routing information */ |
1045 | static int ospf_router_info_lsa_update(struct ospf_lsa *lsa) | |
1046 | { | |
1047 | ||
1048 | /* Sanity Check */ | |
1049 | if (lsa == NULL) { | |
7743f2f8 | 1050 | zlog_warn("OSPF-RI (%s): Abort! LSA is NULL", __func__); |
cf9b9f77 OD |
1051 | return -1; |
1052 | } | |
1053 | ||
6aaf0fdd OD |
1054 | /* Process only Opaque LSA */ |
1055 | if ((lsa->data->type != OSPF_OPAQUE_AREA_LSA) | |
1056 | && (lsa->data->type != OSPF_OPAQUE_AS_LSA)) | |
cf9b9f77 OD |
1057 | return 0; |
1058 | ||
1059 | /* Process only Router Information LSA */ | |
7743f2f8 OD |
1060 | if (GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr)) != |
1061 | OPAQUE_TYPE_ROUTER_INFORMATION_LSA) | |
cf9b9f77 OD |
1062 | return 0; |
1063 | ||
6aaf0fdd OD |
1064 | /* Check if it is not my LSA */ |
1065 | if (IS_LSA_SELF(lsa)) | |
1066 | return 0; | |
1067 | ||
cf9b9f77 OD |
1068 | /* Check if Router Info & Segment Routing are enable */ |
1069 | if (!OspfRI.enabled || !OspfRI.sr_info.enabled) | |
1070 | return 0; | |
1071 | ||
1072 | /* Call Segment Routing LSA update or deletion */ | |
1073 | if (!IS_LSA_MAXAGE(lsa)) | |
1074 | ospf_sr_ri_lsa_update(lsa); | |
1075 | else | |
1076 | ospf_sr_ri_lsa_delete(lsa); | |
1077 | ||
1078 | return 0; | |
1079 | } | |
1080 | ||
0ef4bcdc OD |
1081 | /*------------------------------------------------------------------------* |
1082 | * Followings are vty session control functions. | |
1083 | *------------------------------------------------------------------------*/ | |
1084 | ||
d62a17ae | 1085 | static u_int16_t show_vty_router_cap(struct vty *vty, |
ead99d5f | 1086 | struct tlv_header *tlvh) |
0ef4bcdc | 1087 | { |
d62a17ae | 1088 | struct ri_tlv_router_cap *top = (struct ri_tlv_router_cap *)tlvh; |
0ef4bcdc | 1089 | |
d62a17ae | 1090 | if (vty != NULL) |
1091 | vty_out(vty, " Router Capabilities: 0x%x\n", | |
1092 | ntohl(top->value)); | |
1093 | else | |
1094 | zlog_debug(" Router Capabilities: 0x%x", ntohl(top->value)); | |
0ef4bcdc | 1095 | |
ead99d5f | 1096 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1097 | } |
1098 | ||
d62a17ae | 1099 | static u_int16_t show_vty_pce_subtlv_address(struct vty *vty, |
ead99d5f | 1100 | struct tlv_header *tlvh) |
0ef4bcdc | 1101 | { |
d62a17ae | 1102 | struct ri_pce_subtlv_address *top = |
1103 | (struct ri_pce_subtlv_address *)tlvh; | |
1104 | ||
1105 | if (ntohs(top->address.type) == PCE_ADDRESS_TYPE_IPV4) { | |
1106 | if (vty != NULL) | |
1107 | vty_out(vty, " PCE Address: %s\n", | |
1108 | inet_ntoa(top->address.value)); | |
1109 | else | |
1110 | zlog_debug(" PCE Address: %s", | |
1111 | inet_ntoa(top->address.value)); | |
1112 | } else { | |
1113 | /* TODO: Add support to IPv6 with inet_ntop() */ | |
1114 | if (vty != NULL) | |
1115 | vty_out(vty, " PCE Address: 0x%x\n", | |
1116 | ntohl(top->address.value.s_addr)); | |
1117 | else | |
1118 | zlog_debug(" PCE Address: 0x%x", | |
1119 | ntohl(top->address.value.s_addr)); | |
1120 | } | |
1121 | ||
ead99d5f | 1122 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1123 | } |
1124 | ||
d62a17ae | 1125 | static u_int16_t show_vty_pce_subtlv_path_scope(struct vty *vty, |
ead99d5f | 1126 | struct tlv_header *tlvh) |
0ef4bcdc | 1127 | { |
d62a17ae | 1128 | struct ri_pce_subtlv_path_scope *top = |
1129 | (struct ri_pce_subtlv_path_scope *)tlvh; | |
0ef4bcdc | 1130 | |
d62a17ae | 1131 | if (vty != NULL) |
1132 | vty_out(vty, " PCE Path Scope: 0x%x\n", ntohl(top->value)); | |
1133 | else | |
1134 | zlog_debug(" PCE Path Scope: 0x%x", ntohl(top->value)); | |
0ef4bcdc | 1135 | |
ead99d5f | 1136 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1137 | } |
1138 | ||
d62a17ae | 1139 | static u_int16_t show_vty_pce_subtlv_domain(struct vty *vty, |
ead99d5f | 1140 | struct tlv_header *tlvh) |
0ef4bcdc | 1141 | { |
d62a17ae | 1142 | struct ri_pce_subtlv_domain *top = (struct ri_pce_subtlv_domain *)tlvh; |
1143 | struct in_addr tmp; | |
1144 | ||
1145 | if (ntohs(top->type) == PCE_DOMAIN_TYPE_AREA) { | |
1146 | tmp.s_addr = top->value; | |
1147 | if (vty != NULL) | |
1148 | vty_out(vty, " PCE domain Area: %s\n", inet_ntoa(tmp)); | |
1149 | else | |
1150 | zlog_debug(" PCE domain Area: %s", inet_ntoa(tmp)); | |
1151 | } else { | |
1152 | if (vty != NULL) | |
1153 | vty_out(vty, " PCE domain AS: %d\n", | |
1154 | ntohl(top->value)); | |
1155 | else | |
1156 | zlog_debug(" PCE domain AS: %d", ntohl(top->value)); | |
1157 | } | |
ead99d5f | 1158 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1159 | } |
1160 | ||
d62a17ae | 1161 | static u_int16_t show_vty_pce_subtlv_neighbor(struct vty *vty, |
ead99d5f | 1162 | struct tlv_header *tlvh) |
0ef4bcdc OD |
1163 | { |
1164 | ||
d62a17ae | 1165 | struct ri_pce_subtlv_neighbor *top = |
1166 | (struct ri_pce_subtlv_neighbor *)tlvh; | |
1167 | struct in_addr tmp; | |
1168 | ||
1169 | if (ntohs(top->type) == PCE_DOMAIN_TYPE_AREA) { | |
1170 | tmp.s_addr = top->value; | |
1171 | if (vty != NULL) | |
1172 | vty_out(vty, " PCE neighbor Area: %s\n", | |
1173 | inet_ntoa(tmp)); | |
1174 | else | |
1175 | zlog_debug(" PCE neighbor Area: %s", inet_ntoa(tmp)); | |
1176 | } else { | |
1177 | if (vty != NULL) | |
1178 | vty_out(vty, " PCE neighbor AS: %d\n", | |
1179 | ntohl(top->value)); | |
1180 | else | |
1181 | zlog_debug(" PCE neighbor AS: %d", | |
1182 | ntohl(top->value)); | |
1183 | } | |
ead99d5f | 1184 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1185 | } |
1186 | ||
d62a17ae | 1187 | static u_int16_t show_vty_pce_subtlv_cap_flag(struct vty *vty, |
ead99d5f | 1188 | struct tlv_header *tlvh) |
0ef4bcdc | 1189 | { |
d62a17ae | 1190 | struct ri_pce_subtlv_cap_flag *top = |
1191 | (struct ri_pce_subtlv_cap_flag *)tlvh; | |
0ef4bcdc | 1192 | |
d62a17ae | 1193 | if (vty != NULL) |
1194 | vty_out(vty, " PCE Capabilities Flag: 0x%x\n", | |
1195 | ntohl(top->value)); | |
1196 | else | |
1197 | zlog_debug(" PCE Capabilities Flag: 0x%x", | |
1198 | ntohl(top->value)); | |
0ef4bcdc | 1199 | |
ead99d5f | 1200 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1201 | } |
1202 | ||
d62a17ae | 1203 | static u_int16_t show_vty_unknown_tlv(struct vty *vty, |
ead99d5f | 1204 | struct tlv_header *tlvh) |
0ef4bcdc | 1205 | { |
d62a17ae | 1206 | if (vty != NULL) |
1207 | vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n", | |
1208 | ntohs(tlvh->type), ntohs(tlvh->length)); | |
1209 | else | |
1210 | zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]", | |
1211 | ntohs(tlvh->type), ntohs(tlvh->length)); | |
1212 | ||
ead99d5f | 1213 | return TLV_SIZE(tlvh); |
0ef4bcdc OD |
1214 | } |
1215 | ||
ead99d5f | 1216 | static u_int16_t show_vty_pce_info(struct vty *vty, struct tlv_header *ri, |
d62a17ae | 1217 | uint32_t total) |
0ef4bcdc | 1218 | { |
ead99d5f | 1219 | struct tlv_header *tlvh; |
d62a17ae | 1220 | u_int16_t sum = 0; |
1221 | ||
ead99d5f | 1222 | for (tlvh = ri; sum < total; tlvh = TLV_HDR_NEXT(tlvh)) { |
d62a17ae | 1223 | switch (ntohs(tlvh->type)) { |
1224 | case RI_PCE_SUBTLV_ADDRESS: | |
1225 | sum += show_vty_pce_subtlv_address(vty, tlvh); | |
1226 | break; | |
1227 | case RI_PCE_SUBTLV_PATH_SCOPE: | |
1228 | sum += show_vty_pce_subtlv_path_scope(vty, tlvh); | |
1229 | break; | |
1230 | case RI_PCE_SUBTLV_DOMAIN: | |
1231 | sum += show_vty_pce_subtlv_domain(vty, tlvh); | |
1232 | break; | |
1233 | case RI_PCE_SUBTLV_NEIGHBOR: | |
1234 | sum += show_vty_pce_subtlv_neighbor(vty, tlvh); | |
1235 | break; | |
1236 | case RI_PCE_SUBTLV_CAP_FLAG: | |
1237 | sum += show_vty_pce_subtlv_cap_flag(vty, tlvh); | |
1238 | break; | |
1239 | default: | |
1240 | sum += show_vty_unknown_tlv(vty, tlvh); | |
1241 | break; | |
1242 | } | |
1243 | } | |
1244 | return sum; | |
0ef4bcdc OD |
1245 | } |
1246 | ||
cf9b9f77 | 1247 | /* Display Segment Routing Algorithm TLV information */ |
93f0a26e | 1248 | static uint16_t show_vty_sr_algorithm(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1249 | { |
1250 | struct ri_sr_tlv_sr_algorithm *algo = | |
1251 | (struct ri_sr_tlv_sr_algorithm *)tlvh; | |
1252 | int i; | |
7743f2f8 | 1253 | |
cf9b9f77 OD |
1254 | if (vty != NULL) { |
1255 | vty_out(vty, " Segment Routing Algorithm TLV:\n"); | |
1256 | for (i = 0; i < ntohs(algo->header.length); i++) { | |
1257 | switch (algo->value[i]) { | |
1258 | case 0: | |
1259 | vty_out(vty, " Algorithm %d: SPF\n", i); | |
1260 | break; | |
1261 | case 1: | |
1262 | vty_out(vty, " Algorithm %d: Strict SPF\n", | |
1263 | i); | |
1264 | break; | |
1265 | default: | |
1266 | vty_out(vty, | |
1267 | " Algorithm %d: Unknown value %d\n", i, | |
1268 | algo->value[i]); | |
1269 | break; | |
1270 | } | |
1271 | } | |
1272 | } | |
1273 | ||
1274 | else { | |
1275 | zlog_debug(" Segment Routing Algorithm TLV:\n"); | |
1276 | for (i = 0; i < ntohs(algo->header.length); i++) | |
1277 | switch (algo->value[i]) { | |
1278 | case 0: | |
1279 | zlog_debug(" Algorithm %d: SPF\n", i); | |
1280 | break; | |
1281 | case 1: | |
1282 | zlog_debug(" Algorithm %d: Strict SPF\n", i); | |
1283 | break; | |
1284 | default: | |
1285 | zlog_debug( | |
1286 | " Algorithm %d: Unknown value %d\n", | |
1287 | i, algo->value[i]); | |
1288 | break; | |
1289 | } | |
1290 | } | |
1291 | ||
1292 | return TLV_SIZE(tlvh); | |
1293 | } | |
1294 | ||
1295 | /* Display Segment Routing SID/Label Range TLV information */ | |
93f0a26e | 1296 | static uint16_t show_vty_sr_range(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1297 | { |
1298 | struct ri_sr_tlv_sid_label_range *range = | |
1299 | (struct ri_sr_tlv_sid_label_range *)tlvh; | |
1300 | ||
1301 | if (vty != NULL) { | |
1302 | vty_out(vty, | |
1303 | " Segment Routing Range TLV:\n" | |
1304 | " Range Size = %d\n" | |
1305 | " SID Label = %d\n\n", | |
1306 | GET_RANGE_SIZE(ntohl(range->size)), | |
1307 | GET_LABEL(ntohl(range->lower.value))); | |
1308 | } else { | |
1309 | zlog_debug( | |
1310 | " Segment Routing Range TLV:\n" | |
1311 | " Range Size = %d\n" | |
1312 | " SID Label = %d\n\n", | |
1313 | GET_RANGE_SIZE(ntohl(range->size)), | |
1314 | GET_LABEL(ntohl(range->lower.value))); | |
1315 | } | |
1316 | ||
1317 | return TLV_SIZE(tlvh); | |
1318 | } | |
1319 | ||
1320 | /* Display Segment Routing Maximum Stack Depth TLV information */ | |
93f0a26e | 1321 | static uint16_t show_vty_sr_msd(struct vty *vty, struct tlv_header *tlvh) |
cf9b9f77 OD |
1322 | { |
1323 | struct ri_sr_tlv_node_msd *msd = (struct ri_sr_tlv_node_msd *)tlvh; | |
1324 | ||
1325 | if (vty != NULL) { | |
1326 | vty_out(vty, | |
1327 | " Segment Routing MSD TLV:\n" | |
1328 | " Node Maximum Stack Depth = %d\n", | |
1329 | msd->value); | |
1330 | } else { | |
1331 | zlog_debug( | |
1332 | " Segment Routing MSD TLV:\n" | |
1333 | " Node Maximum Stack Depth = %d\n", | |
1334 | msd->value); | |
1335 | } | |
1336 | ||
1337 | return TLV_SIZE(tlvh); | |
1338 | } | |
1339 | ||
d62a17ae | 1340 | static void ospf_router_info_show_info(struct vty *vty, struct ospf_lsa *lsa) |
0ef4bcdc | 1341 | { |
d62a17ae | 1342 | struct lsa_header *lsah = (struct lsa_header *)lsa->data; |
ead99d5f | 1343 | struct tlv_header *tlvh; |
d62a17ae | 1344 | u_int16_t length = 0, sum = 0; |
1345 | ||
1346 | /* Initialize TLV browsing */ | |
1347 | length = ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE; | |
1348 | ||
ead99d5f OD |
1349 | for (tlvh = TLV_HDR_TOP(lsah); sum < length; |
1350 | tlvh = TLV_HDR_NEXT(tlvh)) { | |
d62a17ae | 1351 | switch (ntohs(tlvh->type)) { |
1352 | case RI_TLV_CAPABILITIES: | |
1353 | sum += show_vty_router_cap(vty, tlvh); | |
1354 | break; | |
1355 | case RI_TLV_PCE: | |
1356 | tlvh++; | |
ead99d5f | 1357 | sum += TLV_HDR_SIZE; |
d62a17ae | 1358 | sum += show_vty_pce_info(vty, tlvh, length - sum); |
1359 | break; | |
cf9b9f77 OD |
1360 | case RI_SR_TLV_SR_ALGORITHM: |
1361 | sum += show_vty_sr_algorithm(vty, tlvh); | |
1362 | break; | |
1363 | case RI_SR_TLV_SID_LABEL_RANGE: | |
1364 | sum += show_vty_sr_range(vty, tlvh); | |
1365 | break; | |
1366 | case RI_SR_TLV_NODE_MSD: | |
1367 | sum += show_vty_sr_msd(vty, tlvh); | |
1368 | break; | |
1369 | ||
d62a17ae | 1370 | default: |
1371 | sum += show_vty_unknown_tlv(vty, tlvh); | |
1372 | break; | |
1373 | } | |
1374 | } | |
1375 | ||
1376 | return; | |
0ef4bcdc OD |
1377 | } |
1378 | ||
d62a17ae | 1379 | static void ospf_router_info_config_write_router(struct vty *vty) |
0ef4bcdc | 1380 | { |
d62a17ae | 1381 | struct ospf_pce_info *pce = &OspfRI.pce_info; |
1382 | struct listnode *node; | |
1383 | struct ri_pce_subtlv_domain *domain; | |
1384 | struct ri_pce_subtlv_neighbor *neighbor; | |
1385 | struct in_addr tmp; | |
1386 | ||
cf9b9f77 OD |
1387 | if (!OspfRI.enabled) |
1388 | return; | |
1389 | ||
1390 | if (OspfRI.scope == OSPF_OPAQUE_AS_LSA) | |
1391 | vty_out(vty, " router-info as\n"); | |
1392 | else | |
1393 | vty_out(vty, " router-info area %s\n", | |
1394 | inet_ntoa(OspfRI.area_id)); | |
1395 | ||
1396 | if (OspfRI.pce_info.enabled) { | |
1397 | ||
1398 | if (pce->pce_address.header.type != 0) | |
1399 | vty_out(vty, " pce address %s\n", | |
1400 | inet_ntoa(pce->pce_address.address.value)); | |
1401 | ||
1402 | if (pce->pce_cap_flag.header.type != 0) | |
1403 | vty_out(vty, " pce flag 0x%x\n", | |
1404 | ntohl(pce->pce_cap_flag.value)); | |
1405 | ||
1406 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
1407 | if (domain->header.type != 0) { | |
1408 | if (domain->type == PCE_DOMAIN_TYPE_AREA) { | |
1409 | tmp.s_addr = domain->value; | |
1410 | vty_out(vty, " pce domain area %s\n", | |
1411 | inet_ntoa(tmp)); | |
1412 | } else { | |
1413 | vty_out(vty, " pce domain as %d\n", | |
1414 | ntohl(domain->value)); | |
d62a17ae | 1415 | } |
1416 | } | |
cf9b9f77 | 1417 | } |
d62a17ae | 1418 | |
cf9b9f77 OD |
1419 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { |
1420 | if (neighbor->header.type != 0) { | |
1421 | if (neighbor->type == PCE_DOMAIN_TYPE_AREA) { | |
1422 | tmp.s_addr = neighbor->value; | |
1423 | vty_out(vty, " pce neighbor area %s\n", | |
1424 | inet_ntoa(tmp)); | |
1425 | } else { | |
1426 | vty_out(vty, " pce neighbor as %d\n", | |
1427 | ntohl(neighbor->value)); | |
d62a17ae | 1428 | } |
1429 | } | |
ead99d5f | 1430 | } |
cf9b9f77 OD |
1431 | |
1432 | if (pce->pce_scope.header.type != 0) | |
1433 | vty_out(vty, " pce scope 0x%x\n", | |
1434 | ntohl(OspfRI.pce_info.pce_scope.value)); | |
d62a17ae | 1435 | } |
1436 | return; | |
0ef4bcdc OD |
1437 | } |
1438 | ||
1439 | /*------------------------------------------------------------------------* | |
1440 | * Followings are vty command functions. | |
1441 | *------------------------------------------------------------------------*/ | |
1442 | ||
1443 | DEFUN (router_info, | |
1444 | router_info_area_cmd, | |
692b4c65 | 1445 | "router-info <as|area A.B.C.D>", |
0ef4bcdc | 1446 | OSPF_RI_STR |
692b4c65 | 1447 | "Enable the Router Information functionality with AS flooding scope\n" |
0ef4bcdc | 1448 | "Enable the Router Information functionality with Area flooding scope\n" |
efd7904e | 1449 | "OSPF area ID in IP format\n") |
0ef4bcdc | 1450 | { |
d62a17ae | 1451 | int idx_ipv4 = 2; |
1452 | char *area = (argc == 3) ? argv[idx_ipv4]->arg : NULL; | |
1453 | ||
1454 | u_int8_t scope; | |
1455 | ||
32ab5cf4 | 1456 | if (OspfRI.enabled) |
d62a17ae | 1457 | return CMD_SUCCESS; |
1458 | ||
1459 | /* Check and get Area value if present */ | |
1460 | if (area) { | |
1461 | if (!inet_aton(area, &OspfRI.area_id)) { | |
1462 | vty_out(vty, "%% specified Area ID %s is invalid\n", | |
1463 | area); | |
1464 | return CMD_WARNING_CONFIG_FAILED; | |
1465 | } | |
1466 | scope = OSPF_OPAQUE_AREA_LSA; | |
1467 | } else { | |
1468 | OspfRI.area_id.s_addr = 0; | |
1469 | scope = OSPF_OPAQUE_AS_LSA; | |
1470 | } | |
1471 | ||
1472 | /* First start to register Router Information callbacks */ | |
1473 | if ((ospf_router_info_register(scope)) != 0) { | |
1474 | zlog_warn( | |
ead99d5f | 1475 | "Unable to register Router Information callbacks. Abort!"); |
d62a17ae | 1476 | return CMD_WARNING_CONFIG_FAILED; |
1477 | } | |
1478 | ||
32ab5cf4 | 1479 | OspfRI.enabled = true; |
d62a17ae | 1480 | |
1481 | if (IS_DEBUG_OSPF_EVENT) | |
1482 | zlog_debug("RI-> Router Information (%s flooding): OFF -> ON", | |
1483 | OspfRI.scope == OSPF_OPAQUE_AREA_LSA ? "Area" | |
1484 | : "AS"); | |
1485 | ||
1486 | /* | |
1487 | * Following code is intended to handle two cases; | |
1488 | * | |
1489 | * 1) Router Information was disabled at startup time, but now become | |
1490 | * enabled. | |
1491 | * 2) Router Information was once enabled then disabled, and now enabled | |
1492 | * again. | |
1493 | */ | |
1494 | ||
1495 | initialize_params(&OspfRI); | |
1496 | ||
1497 | /* Refresh RI LSA if already engaged */ | |
32ab5cf4 | 1498 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) { |
ead99d5f OD |
1499 | zlog_debug ("RI-> Refresh LSA following configuration"); |
1500 | ospf_router_info_lsa_schedule (REFRESH_THIS_LSA); | |
1501 | } else { | |
d62a17ae | 1502 | zlog_debug("RI-> Initial origination following configuration"); |
1503 | ospf_router_info_lsa_schedule(REORIGINATE_THIS_LSA); | |
1504 | } | |
1505 | return CMD_SUCCESS; | |
0ef4bcdc OD |
1506 | } |
1507 | ||
0ef4bcdc OD |
1508 | |
1509 | DEFUN (no_router_info, | |
1510 | no_router_info_cmd, | |
1511 | "no router-info", | |
1512 | NO_STR | |
1513 | "Disable the Router Information functionality\n") | |
1514 | { | |
1515 | ||
32ab5cf4 | 1516 | if (!OspfRI.enabled) |
d62a17ae | 1517 | return CMD_SUCCESS; |
0ef4bcdc | 1518 | |
d62a17ae | 1519 | if (IS_DEBUG_OSPF_EVENT) |
1520 | zlog_debug("RI-> Router Information: ON -> OFF"); | |
0ef4bcdc | 1521 | |
32ab5cf4 | 1522 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1523 | ospf_router_info_lsa_schedule(FLUSH_THIS_LSA); |
0ef4bcdc | 1524 | |
32ab5cf4 | 1525 | OspfRI.enabled = false; |
0ef4bcdc | 1526 | |
d62a17ae | 1527 | return CMD_SUCCESS; |
0ef4bcdc OD |
1528 | } |
1529 | ||
d62a17ae | 1530 | static int ospf_ri_enabled(struct vty *vty) |
284a4a0c | 1531 | { |
32ab5cf4 | 1532 | if (OspfRI.enabled) |
d62a17ae | 1533 | return 1; |
284a4a0c | 1534 | |
d62a17ae | 1535 | if (vty) |
1536 | vty_out(vty, "%% OSPF RI is not turned on\n"); | |
284a4a0c | 1537 | |
d62a17ae | 1538 | return 0; |
284a4a0c DS |
1539 | } |
1540 | ||
0ef4bcdc OD |
1541 | DEFUN (pce_address, |
1542 | pce_address_cmd, | |
1543 | "pce address A.B.C.D", | |
1544 | PCE_STR | |
1545 | "Stable IP address of the PCE\n" | |
1546 | "PCE address in IPv4 address format\n") | |
1547 | { | |
d62a17ae | 1548 | int idx_ipv4 = 2; |
1549 | struct in_addr value; | |
1550 | struct ospf_pce_info *pi = &OspfRI.pce_info; | |
0ef4bcdc | 1551 | |
d62a17ae | 1552 | if (!ospf_ri_enabled(vty)) |
1553 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1554 | |
d62a17ae | 1555 | if (!inet_aton(argv[idx_ipv4]->arg, &value)) { |
1556 | vty_out(vty, "Please specify PCE Address by A.B.C.D\n"); | |
1557 | return CMD_WARNING_CONFIG_FAILED; | |
1558 | } | |
0ef4bcdc | 1559 | |
d62a17ae | 1560 | if (ntohs(pi->pce_address.header.type) == 0 |
1561 | || ntohl(pi->pce_address.address.value.s_addr) | |
1562 | != ntohl(value.s_addr)) { | |
0ef4bcdc | 1563 | |
d62a17ae | 1564 | set_pce_address(value, pi); |
0ef4bcdc | 1565 | |
d62a17ae | 1566 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1567 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1568 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1569 | } | |
0ef4bcdc | 1570 | |
d62a17ae | 1571 | return CMD_SUCCESS; |
0ef4bcdc OD |
1572 | } |
1573 | ||
1574 | DEFUN (no_pce_address, | |
1575 | no_pce_address_cmd, | |
2328428d | 1576 | "no pce address [A.B.C.D]", |
0ef4bcdc OD |
1577 | NO_STR |
1578 | PCE_STR | |
59768a63 DS |
1579 | "Disable PCE address\n" |
1580 | "PCE address in IPv4 address format\n") | |
0ef4bcdc OD |
1581 | { |
1582 | ||
d62a17ae | 1583 | unset_param(&OspfRI.pce_info.pce_address.header); |
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); |
0ef4bcdc | 1588 | |
d62a17ae | 1589 | return CMD_SUCCESS; |
0ef4bcdc OD |
1590 | } |
1591 | ||
1592 | DEFUN (pce_path_scope, | |
1593 | pce_path_scope_cmd, | |
1594 | "pce scope BITPATTERN", | |
1595 | PCE_STR | |
1596 | "Path scope visibilities of the PCE for path computation\n" | |
1597 | "32-bit Hexadecimal value\n") | |
1598 | { | |
d62a17ae | 1599 | int idx_bitpattern = 2; |
1600 | uint32_t scope; | |
1601 | struct ospf_pce_info *pi = &OspfRI.pce_info; | |
0ef4bcdc | 1602 | |
d62a17ae | 1603 | if (!ospf_ri_enabled(vty)) |
1604 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1605 | |
d62a17ae | 1606 | if (sscanf(argv[idx_bitpattern]->arg, "0x%x", &scope) != 1) { |
1607 | vty_out(vty, "pce_path_scope: fscanf: %s\n", | |
1608 | safe_strerror(errno)); | |
1609 | return CMD_WARNING_CONFIG_FAILED; | |
1610 | } | |
0ef4bcdc | 1611 | |
d62a17ae | 1612 | if (ntohl(pi->pce_scope.header.type) == 0 |
1613 | || scope != pi->pce_scope.value) { | |
1614 | set_pce_path_scope(scope, pi); | |
0ef4bcdc | 1615 | |
d62a17ae | 1616 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1617 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1618 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1619 | } | |
0ef4bcdc | 1620 | |
d62a17ae | 1621 | return CMD_SUCCESS; |
0ef4bcdc OD |
1622 | } |
1623 | ||
1624 | DEFUN (no_pce_path_scope, | |
1625 | no_pce_path_scope_cmd, | |
2328428d | 1626 | "no pce scope [BITPATTERN]", |
0ef4bcdc OD |
1627 | NO_STR |
1628 | PCE_STR | |
59768a63 DS |
1629 | "Disable PCE path scope\n" |
1630 | "32-bit Hexadecimal value\n") | |
0ef4bcdc OD |
1631 | { |
1632 | ||
d62a17ae | 1633 | unset_param(&OspfRI.pce_info.pce_address.header); |
0ef4bcdc | 1634 | |
d62a17ae | 1635 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1636 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1637 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1638 | |
d62a17ae | 1639 | return CMD_SUCCESS; |
0ef4bcdc OD |
1640 | } |
1641 | ||
1642 | DEFUN (pce_domain, | |
1643 | pce_domain_cmd, | |
6147e2c6 | 1644 | "pce domain as (0-65535)", |
0ef4bcdc OD |
1645 | PCE_STR |
1646 | "Configure PCE domain AS number\n" | |
1647 | "AS number where the PCE as visibilities for path computation\n" | |
1648 | "AS number in decimal <0-65535>\n") | |
1649 | { | |
d62a17ae | 1650 | int idx_number = 3; |
0ef4bcdc | 1651 | |
d62a17ae | 1652 | uint32_t as; |
1653 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
1654 | struct listnode *node; | |
1655 | struct ri_pce_subtlv_domain *domain; | |
0ef4bcdc | 1656 | |
d62a17ae | 1657 | if (!ospf_ri_enabled(vty)) |
1658 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1659 | |
d62a17ae | 1660 | if (sscanf(argv[idx_number]->arg, "%d", &as) != 1) { |
1661 | vty_out(vty, "pce_domain: fscanf: %s\n", safe_strerror(errno)); | |
1662 | return CMD_WARNING_CONFIG_FAILED; | |
1663 | } | |
0ef4bcdc | 1664 | |
d62a17ae | 1665 | /* Check if the domain is not already in the domain list */ |
1666 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { | |
1667 | if (ntohl(domain->header.type) == 0 && as == domain->value) | |
1668 | return CMD_SUCCESS; | |
1669 | } | |
0ef4bcdc | 1670 | |
d62a17ae | 1671 | /* Create new domain if not found */ |
1672 | set_pce_domain(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1673 | |
d62a17ae | 1674 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1675 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1676 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1677 | |
d62a17ae | 1678 | return CMD_SUCCESS; |
0ef4bcdc OD |
1679 | } |
1680 | ||
1681 | DEFUN (no_pce_domain, | |
1682 | no_pce_domain_cmd, | |
6147e2c6 | 1683 | "no pce domain as (0-65535)", |
0ef4bcdc OD |
1684 | NO_STR |
1685 | PCE_STR | |
1686 | "Disable PCE domain AS number\n" | |
1687 | "AS number where the PCE as visibilities for path computation\n" | |
1688 | "AS number in decimal <0-65535>\n") | |
1689 | { | |
d62a17ae | 1690 | int idx_number = 4; |
0ef4bcdc | 1691 | |
d62a17ae | 1692 | uint32_t as; |
1693 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1694 | |
d62a17ae | 1695 | if (sscanf(argv[idx_number]->arg, "%d", &as) != 1) { |
1696 | vty_out(vty, "no_pce_domain: fscanf: %s\n", | |
1697 | safe_strerror(errno)); | |
1698 | return CMD_WARNING_CONFIG_FAILED; | |
1699 | } | |
0ef4bcdc | 1700 | |
d62a17ae | 1701 | /* Unset corresponding PCE domain */ |
1702 | unset_pce_domain(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1703 | |
d62a17ae | 1704 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1705 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1706 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1707 | |
d62a17ae | 1708 | return CMD_SUCCESS; |
0ef4bcdc OD |
1709 | } |
1710 | ||
1711 | DEFUN (pce_neigbhor, | |
1712 | pce_neighbor_cmd, | |
6147e2c6 | 1713 | "pce neighbor as (0-65535)", |
0ef4bcdc OD |
1714 | PCE_STR |
1715 | "Configure PCE neighbor domain AS number\n" | |
1716 | "AS number of PCE neighbors\n" | |
1717 | "AS number in decimal <0-65535>\n") | |
1718 | { | |
d62a17ae | 1719 | int idx_number = 3; |
0ef4bcdc | 1720 | |
d62a17ae | 1721 | uint32_t as; |
1722 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
1723 | struct listnode *node; | |
1724 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 1725 | |
d62a17ae | 1726 | if (!ospf_ri_enabled(vty)) |
1727 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1728 | |
d62a17ae | 1729 | if (sscanf(argv[idx_number]->arg, "%d", &as) != 1) { |
1730 | vty_out(vty, "pce_neighbor: fscanf: %s\n", | |
1731 | safe_strerror(errno)); | |
1732 | return CMD_WARNING_CONFIG_FAILED; | |
1733 | } | |
0ef4bcdc | 1734 | |
d62a17ae | 1735 | /* Check if the domain is not already in the domain list */ |
1736 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { | |
1737 | if (ntohl(neighbor->header.type) == 0 && as == neighbor->value) | |
1738 | return CMD_SUCCESS; | |
1739 | } | |
0ef4bcdc | 1740 | |
d62a17ae | 1741 | /* Create new domain if not found */ |
1742 | set_pce_neighbor(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1743 | |
d62a17ae | 1744 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1745 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1746 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1747 | |
d62a17ae | 1748 | return CMD_SUCCESS; |
0ef4bcdc OD |
1749 | } |
1750 | ||
1751 | DEFUN (no_pce_neighbor, | |
1752 | no_pce_neighbor_cmd, | |
6147e2c6 | 1753 | "no pce neighbor as (0-65535)", |
0ef4bcdc OD |
1754 | NO_STR |
1755 | PCE_STR | |
1756 | "Disable PCE neighbor AS number\n" | |
1757 | "AS number of PCE neighbor\n" | |
1758 | "AS number in decimal <0-65535>\n") | |
1759 | { | |
d62a17ae | 1760 | int idx_number = 4; |
0ef4bcdc | 1761 | |
d62a17ae | 1762 | uint32_t as; |
1763 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1764 | |
d62a17ae | 1765 | if (sscanf(argv[idx_number]->arg, "%d", &as) != 1) { |
1766 | vty_out(vty, "no_pce_neighbor: fscanf: %s\n", | |
1767 | safe_strerror(errno)); | |
1768 | return CMD_WARNING_CONFIG_FAILED; | |
1769 | } | |
0ef4bcdc | 1770 | |
d62a17ae | 1771 | /* Unset corresponding PCE domain */ |
1772 | unset_pce_neighbor(PCE_DOMAIN_TYPE_AS, as, pce); | |
0ef4bcdc | 1773 | |
d62a17ae | 1774 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1775 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1776 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1777 | |
d62a17ae | 1778 | return CMD_SUCCESS; |
0ef4bcdc OD |
1779 | } |
1780 | ||
1781 | DEFUN (pce_cap_flag, | |
1782 | pce_cap_flag_cmd, | |
1783 | "pce flag BITPATTERN", | |
1784 | PCE_STR | |
1785 | "Capabilities of the PCE for path computation\n" | |
1786 | "32-bit Hexadecimal value\n") | |
1787 | { | |
d62a17ae | 1788 | int idx_bitpattern = 2; |
0ef4bcdc | 1789 | |
d62a17ae | 1790 | uint32_t cap; |
1791 | struct ospf_pce_info *pce = &OspfRI.pce_info; | |
0ef4bcdc | 1792 | |
d62a17ae | 1793 | if (!ospf_ri_enabled(vty)) |
1794 | return CMD_WARNING_CONFIG_FAILED; | |
284a4a0c | 1795 | |
d62a17ae | 1796 | if (sscanf(argv[idx_bitpattern]->arg, "0x%x", &cap) != 1) { |
1797 | vty_out(vty, "pce_cap_flag: fscanf: %s\n", | |
1798 | safe_strerror(errno)); | |
1799 | return CMD_WARNING_CONFIG_FAILED; | |
1800 | } | |
0ef4bcdc | 1801 | |
d62a17ae | 1802 | if (ntohl(pce->pce_cap_flag.header.type) == 0 |
1803 | || cap != pce->pce_cap_flag.value) { | |
1804 | set_pce_cap_flag(cap, pce); | |
0ef4bcdc | 1805 | |
d62a17ae | 1806 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1807 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1808 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
1809 | } | |
0ef4bcdc | 1810 | |
d62a17ae | 1811 | return CMD_SUCCESS; |
0ef4bcdc OD |
1812 | } |
1813 | ||
1814 | DEFUN (no_pce_cap_flag, | |
1815 | no_pce_cap_flag_cmd, | |
1816 | "no pce flag", | |
1817 | NO_STR | |
1818 | PCE_STR | |
1819 | "Disable PCE capabilities\n") | |
1820 | { | |
1821 | ||
d62a17ae | 1822 | unset_param(&OspfRI.pce_info.pce_cap_flag.header); |
0ef4bcdc | 1823 | |
d62a17ae | 1824 | /* Refresh RI LSA if already engaged */ |
32ab5cf4 | 1825 | if (CHECK_FLAG(OspfRI.flags, RIFLG_LSA_ENGAGED)) |
d62a17ae | 1826 | ospf_router_info_lsa_schedule(REFRESH_THIS_LSA); |
0ef4bcdc | 1827 | |
d62a17ae | 1828 | return CMD_SUCCESS; |
0ef4bcdc OD |
1829 | } |
1830 | ||
1831 | DEFUN (show_ip_ospf_router_info, | |
1832 | show_ip_ospf_router_info_cmd, | |
1833 | "show ip ospf router-info", | |
1834 | SHOW_STR | |
1835 | IP_STR | |
1836 | OSPF_STR | |
1837 | "Router Information\n") | |
1838 | { | |
1839 | ||
32ab5cf4 | 1840 | if (OspfRI.enabled) { |
d62a17ae | 1841 | vty_out(vty, "--- Router Information parameters ---\n"); |
1842 | show_vty_router_cap(vty, &OspfRI.router_cap.header); | |
1843 | } else { | |
1844 | if (vty != NULL) | |
1845 | vty_out(vty, | |
1846 | " Router Information is disabled on this router\n"); | |
1847 | } | |
1848 | return CMD_SUCCESS; | |
0ef4bcdc OD |
1849 | } |
1850 | ||
1851 | DEFUN (show_ip_opsf_router_info_pce, | |
1852 | show_ip_ospf_router_info_pce_cmd, | |
1853 | "show ip ospf router-info pce", | |
1854 | SHOW_STR | |
1855 | IP_STR | |
1856 | OSPF_STR | |
1857 | "Router Information\n" | |
1858 | "PCE information\n") | |
1859 | { | |
1860 | ||
d62a17ae | 1861 | struct ospf_pce_info *pce = &OspfRI.pce_info; |
1862 | struct listnode *node; | |
1863 | struct ri_pce_subtlv_domain *domain; | |
1864 | struct ri_pce_subtlv_neighbor *neighbor; | |
0ef4bcdc | 1865 | |
cf9b9f77 | 1866 | if ((OspfRI.enabled) && (OspfRI.pce_info.enabled)) { |
d62a17ae | 1867 | vty_out(vty, "--- PCE parameters ---\n"); |
0ef4bcdc | 1868 | |
d62a17ae | 1869 | if (pce->pce_address.header.type != 0) |
1870 | show_vty_pce_subtlv_address(vty, | |
1871 | &pce->pce_address.header); | |
0ef4bcdc | 1872 | |
d62a17ae | 1873 | if (pce->pce_scope.header.type != 0) |
1874 | show_vty_pce_subtlv_path_scope(vty, | |
1875 | &pce->pce_scope.header); | |
0ef4bcdc | 1876 | |
d62a17ae | 1877 | for (ALL_LIST_ELEMENTS_RO(pce->pce_domain, node, domain)) { |
1878 | if (domain->header.type != 0) | |
1879 | show_vty_pce_subtlv_domain(vty, | |
1880 | &domain->header); | |
1881 | } | |
0ef4bcdc | 1882 | |
d62a17ae | 1883 | for (ALL_LIST_ELEMENTS_RO(pce->pce_neighbor, node, neighbor)) { |
1884 | if (neighbor->header.type != 0) | |
1885 | show_vty_pce_subtlv_neighbor(vty, | |
1886 | &neighbor->header); | |
1887 | } | |
0ef4bcdc | 1888 | |
d62a17ae | 1889 | if (pce->pce_cap_flag.header.type != 0) |
1890 | show_vty_pce_subtlv_cap_flag(vty, | |
1891 | &pce->pce_cap_flag.header); | |
0ef4bcdc | 1892 | |
d62a17ae | 1893 | } else { |
1894 | vty_out(vty, | |
cf9b9f77 | 1895 | " PCE info is disabled on this router\n"); |
d62a17ae | 1896 | } |
0ef4bcdc | 1897 | |
d62a17ae | 1898 | return CMD_SUCCESS; |
0ef4bcdc OD |
1899 | } |
1900 | ||
1901 | /* Install new CLI commands */ | |
d62a17ae | 1902 | static void ospf_router_info_register_vty(void) |
0ef4bcdc | 1903 | { |
d62a17ae | 1904 | install_element(VIEW_NODE, &show_ip_ospf_router_info_cmd); |
1905 | install_element(VIEW_NODE, &show_ip_ospf_router_info_pce_cmd); | |
1906 | ||
1907 | install_element(OSPF_NODE, &router_info_area_cmd); | |
1908 | install_element(OSPF_NODE, &no_router_info_cmd); | |
1909 | install_element(OSPF_NODE, &pce_address_cmd); | |
1910 | install_element(OSPF_NODE, &no_pce_address_cmd); | |
1911 | install_element(OSPF_NODE, &pce_path_scope_cmd); | |
1912 | install_element(OSPF_NODE, &no_pce_path_scope_cmd); | |
1913 | install_element(OSPF_NODE, &pce_domain_cmd); | |
1914 | install_element(OSPF_NODE, &no_pce_domain_cmd); | |
1915 | install_element(OSPF_NODE, &pce_neighbor_cmd); | |
1916 | install_element(OSPF_NODE, &no_pce_neighbor_cmd); | |
1917 | install_element(OSPF_NODE, &pce_cap_flag_cmd); | |
1918 | install_element(OSPF_NODE, &no_pce_cap_flag_cmd); | |
1919 | ||
1920 | return; | |
0ef4bcdc | 1921 | } |