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718e3744 | 1 | /* |
2 | * This is an implementation of draft-katz-yeung-ospf-traffic-06.txt | |
3 | * Copyright (C) 2001 KDD R&D Laboratories, Inc. | |
4 | * http://www.kddlabs.co.jp/ | |
5 | * | |
6 | * This file is part of GNU Zebra. | |
7 | * | |
8 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * GNU Zebra is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
20 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
21 | * 02111-1307, USA. | |
22 | */ | |
23 | ||
24 | /***** MTYPE definition is not reflected to "memory.h" yet. *****/ | |
25 | #define MTYPE_OSPF_MPLS_TE_LINKPARAMS 0 | |
26 | ||
27 | #include <zebra.h> | |
28 | ||
29 | #ifdef HAVE_OSPF_TE | |
30 | #ifndef HAVE_OPAQUE_LSA | |
31 | #error "Wrong configure option" | |
32 | #endif /* HAVE_OPAQUE_LSA */ | |
33 | ||
34 | #include "linklist.h" | |
35 | #include "prefix.h" | |
36 | #include "if.h" | |
37 | #include "table.h" | |
38 | #include "memory.h" | |
39 | #include "command.h" | |
40 | #include "vty.h" | |
41 | #include "stream.h" | |
42 | #include "log.h" | |
43 | #include "thread.h" | |
44 | #include "hash.h" | |
45 | #include "sockunion.h" /* for inet_aton() */ | |
46 | ||
47 | #include "ospfd/ospfd.h" | |
48 | #include "ospfd/ospf_interface.h" | |
49 | #include "ospfd/ospf_ism.h" | |
50 | #include "ospfd/ospf_asbr.h" | |
51 | #include "ospfd/ospf_lsa.h" | |
52 | #include "ospfd/ospf_lsdb.h" | |
53 | #include "ospfd/ospf_neighbor.h" | |
54 | #include "ospfd/ospf_nsm.h" | |
55 | #include "ospfd/ospf_flood.h" | |
56 | #include "ospfd/ospf_packet.h" | |
57 | #include "ospfd/ospf_spf.h" | |
58 | #include "ospfd/ospf_dump.h" | |
59 | #include "ospfd/ospf_route.h" | |
60 | #include "ospfd/ospf_ase.h" | |
61 | #include "ospfd/ospf_zebra.h" | |
62 | #include "ospfd/ospf_te.h" | |
63 | ||
64 | /* Following structure are internal use only. */ | |
65 | struct ospf_mpls_te | |
66 | { | |
67 | enum { disabled, enabled } status; | |
68 | ||
69 | /* List elements are zebra-interfaces (ifp), not ospf-interfaces (oi). */ | |
87d6f87a | 70 | struct list *iflist; |
718e3744 | 71 | |
72 | /* Store Router-TLV in network byte order. */ | |
73 | struct te_tlv_router_addr router_addr; | |
74 | }; | |
75 | ||
76 | struct mpls_te_link | |
77 | { | |
78 | /* | |
79 | * According to MPLS-TE (draft) specification, 24-bit Opaque-ID field | |
80 | * is subdivided into 8-bit "unused" field and 16-bit "instance" field. | |
81 | * In this implementation, each Link-TLV has its own instance. | |
82 | */ | |
83 | u_int32_t instance; | |
84 | ||
85 | /* Reference pointer to a Zebra-interface. */ | |
86 | struct interface *ifp; | |
87 | ||
88 | /* Area info in which this MPLS-TE link belongs to. */ | |
89 | struct ospf_area *area; | |
90 | ||
91 | /* Flags to manage this link parameters. */ | |
92 | u_int32_t flags; | |
93 | #define LPFLG_LOOKUP_DONE 0x1 | |
94 | #define LPFLG_LSA_ENGAGED 0x2 | |
95 | #define LPFLG_LSA_FORCED_REFRESH 0x4 | |
96 | ||
97 | /* Store Link-TLV in network byte order. */ | |
98 | struct te_tlv_link link_header; | |
99 | struct te_link_subtlv_link_type link_type; | |
100 | struct te_link_subtlv_link_id link_id; | |
101 | struct te_link_subtlv_lclif_ipaddr *lclif_ipaddr; | |
102 | struct te_link_subtlv_rmtif_ipaddr *rmtif_ipaddr; | |
103 | struct te_link_subtlv_te_metric te_metric; | |
104 | struct te_link_subtlv_max_bw max_bw; | |
105 | struct te_link_subtlv_max_rsv_bw max_rsv_bw; | |
106 | struct te_link_subtlv_unrsv_bw unrsv_bw; | |
107 | struct te_link_subtlv_rsc_clsclr rsc_clsclr; | |
108 | }; | |
109 | ||
110 | /* | |
111 | * Global variable to manage Opaque-LSA/MPLS-TE on this node. | |
112 | * Note that all parameter values are stored in network byte order. | |
113 | */ | |
114 | static struct ospf_mpls_te OspfMplsTE; | |
115 | ||
116 | enum oifstate { | |
117 | OI_ANY, OI_DOWN, OI_UP | |
118 | }; | |
119 | ||
120 | enum sched_opcode { | |
121 | REORIGINATE_PER_AREA, REFRESH_THIS_LSA, FLUSH_THIS_LSA | |
122 | }; | |
123 | ||
124 | /*------------------------------------------------------------------------* | |
125 | * Followings are initialize/terminate functions for MPLS-TE handling. | |
126 | *------------------------------------------------------------------------*/ | |
127 | ||
128 | static int ospf_mpls_te_new_if (struct interface *ifp); | |
129 | static int ospf_mpls_te_del_if (struct interface *ifp); | |
130 | static void ospf_mpls_te_ism_change (struct ospf_interface *oi, int old_status); | |
131 | static void ospf_mpls_te_nsm_change (struct ospf_neighbor *nbr, int old_status); | |
132 | static void ospf_mpls_te_config_write_router (struct vty *vty); | |
133 | static void ospf_mpls_te_config_write_if (struct vty *vty, struct interface *ifp); | |
134 | static void ospf_mpls_te_show_info (struct vty *vty, struct ospf_lsa *lsa); | |
135 | static int ospf_mpls_te_lsa_originate (void *arg); | |
136 | static void ospf_mpls_te_lsa_refresh (struct ospf_lsa *lsa); | |
137 | static void ospf_mpls_te_lsa_schedule (struct mpls_te_link *lp, enum sched_opcode); | |
138 | ||
139 | static void del_mpls_te_link (void *val); | |
140 | static void ospf_mpls_te_register_vty (void); | |
141 | ||
142 | int | |
143 | ospf_mpls_te_init (void) | |
144 | { | |
145 | int rc; | |
146 | ||
147 | rc = ospf_register_opaque_functab ( | |
148 | OSPF_OPAQUE_AREA_LSA, | |
149 | OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA, | |
150 | ospf_mpls_te_new_if, | |
151 | ospf_mpls_te_del_if, | |
152 | ospf_mpls_te_ism_change, | |
153 | ospf_mpls_te_nsm_change, | |
154 | ospf_mpls_te_config_write_router, | |
155 | ospf_mpls_te_config_write_if, | |
156 | NULL,/* ospf_mpls_te_config_write_debug */ | |
157 | ospf_mpls_te_show_info, | |
158 | ospf_mpls_te_lsa_originate, | |
159 | ospf_mpls_te_lsa_refresh, | |
160 | NULL,/* ospf_mpls_te_new_lsa_hook */ | |
161 | NULL /* ospf_mpls_te_del_lsa_hook */); | |
162 | if (rc != 0) | |
163 | { | |
164 | zlog_warn ("ospf_mpls_te_init: Failed to register functions"); | |
165 | goto out; | |
166 | } | |
167 | ||
168 | memset (&OspfMplsTE, 0, sizeof (struct ospf_mpls_te)); | |
169 | OspfMplsTE.status = disabled; | |
170 | OspfMplsTE.iflist = list_new (); | |
171 | OspfMplsTE.iflist->del = del_mpls_te_link; | |
172 | ||
173 | ospf_mpls_te_register_vty (); | |
174 | ||
175 | out: | |
176 | return rc; | |
177 | } | |
178 | ||
179 | void | |
180 | ospf_mpls_te_term (void) | |
181 | { | |
182 | list_delete (OspfMplsTE.iflist); | |
183 | ||
184 | OspfMplsTE.iflist = NULL; | |
185 | OspfMplsTE.status = disabled; | |
186 | ||
187 | ospf_delete_opaque_functab (OSPF_OPAQUE_AREA_LSA, | |
188 | OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA); | |
189 | return; | |
190 | } | |
191 | ||
192 | /*------------------------------------------------------------------------* | |
193 | * Followings are control functions for MPLS-TE parameters management. | |
194 | *------------------------------------------------------------------------*/ | |
195 | ||
196 | static void | |
197 | del_mpls_te_link (void *val) | |
198 | { | |
199 | XFREE (MTYPE_OSPF_MPLS_TE_LINKPARAMS, val); | |
200 | return; | |
201 | } | |
202 | ||
203 | static u_int32_t | |
4dadc291 | 204 | get_mpls_te_instance_value (void) |
718e3744 | 205 | { |
206 | static u_int32_t seqno = 0; | |
207 | ||
208 | if (LEGAL_TE_INSTANCE_RANGE (seqno + 1)) | |
209 | seqno += 1; | |
210 | else | |
211 | seqno = 1; /* Avoid zero. */ | |
212 | ||
213 | return seqno; | |
214 | } | |
215 | ||
216 | static struct ospf_interface * | |
217 | lookup_oi_by_ifp (struct interface *ifp, | |
218 | struct ospf_area *area, enum oifstate oifstate) | |
219 | { | |
220 | struct ospf_interface *oi = NULL; | |
221 | struct route_node *rn; | |
222 | ||
223 | for (rn = route_top (IF_OIFS (ifp)); rn; rn = route_next (rn)) | |
224 | { | |
225 | if ((oi = rn->info) == NULL) | |
226 | continue; | |
227 | ||
228 | switch (oifstate) | |
229 | { | |
230 | case OI_ANY: | |
231 | break; | |
232 | case OI_DOWN: | |
233 | if (ospf_if_is_enable (oi)) | |
234 | continue; | |
235 | break; | |
236 | case OI_UP: | |
237 | if (! ospf_if_is_enable (oi)) | |
238 | continue; | |
239 | break; | |
240 | default: | |
241 | zlog_warn ("lookup_oi_by_ifp: Unknown oifstate: %x", oifstate); | |
242 | goto out; | |
243 | } | |
244 | ||
245 | if (area == NULL || oi->area == area) | |
246 | return oi; | |
247 | } | |
248 | out: | |
249 | return NULL; | |
250 | } | |
251 | ||
252 | static struct mpls_te_link * | |
253 | lookup_linkparams_by_ifp (struct interface *ifp) | |
254 | { | |
1eb8ef25 | 255 | struct listnode *node, *nnode; |
718e3744 | 256 | struct mpls_te_link *lp; |
257 | ||
1eb8ef25 | 258 | for (ALL_LIST_ELEMENTS (OspfMplsTE.iflist, node, nnode, lp)) |
87d6f87a | 259 | if (lp->ifp == ifp) |
260 | return lp; | |
718e3744 | 261 | |
262 | return NULL; | |
263 | } | |
264 | ||
265 | static struct mpls_te_link * | |
266 | lookup_linkparams_by_instance (struct ospf_lsa *lsa) | |
267 | { | |
87d6f87a | 268 | struct listnode *node; |
718e3744 | 269 | struct mpls_te_link *lp; |
6c835671 | 270 | unsigned int key = GET_OPAQUE_ID (ntohl (lsa->data->id.s_addr)); |
718e3744 | 271 | |
1eb8ef25 | 272 | for (ALL_LIST_ELEMENTS_RO (OspfMplsTE.iflist, node, lp)) |
87d6f87a | 273 | if (lp->instance == key) |
274 | return lp; | |
718e3744 | 275 | |
276 | zlog_warn ("lookup_linkparams_by_instance: Entry not found: key(%x)", key); | |
277 | return NULL; | |
278 | } | |
279 | ||
280 | static void | |
281 | ospf_mpls_te_foreach_area ( | |
282 | void (*func)(struct mpls_te_link *lp, enum sched_opcode), | |
283 | enum sched_opcode sched_opcode) | |
284 | { | |
1eb8ef25 | 285 | struct listnode *node, *nnode; |
286 | struct listnode *node2; | |
718e3744 | 287 | struct mpls_te_link *lp; |
288 | struct ospf_area *area; | |
289 | ||
1eb8ef25 | 290 | for (ALL_LIST_ELEMENTS (OspfMplsTE.iflist, node, nnode, lp)) |
718e3744 | 291 | { |
718e3744 | 292 | if ((area = lp->area) == NULL) |
293 | continue; | |
294 | if (lp->flags & LPFLG_LOOKUP_DONE) | |
295 | continue; | |
296 | ||
297 | if (func != NULL) | |
298 | (* func)(lp, sched_opcode); | |
299 | ||
1eb8ef25 | 300 | for (node2 = listnextnode (node); node2; node2 = listnextnode (node2)) |
301 | if ((lp = listgetdata (node2)) != NULL) | |
718e3744 | 302 | if (lp->area != NULL) |
303 | if (IPV4_ADDR_SAME (&lp->area->area_id, &area->area_id)) | |
304 | lp->flags |= LPFLG_LOOKUP_DONE; | |
305 | } | |
306 | ||
1eb8ef25 | 307 | for (ALL_LIST_ELEMENTS_RO (OspfMplsTE.iflist, node, lp)) |
87d6f87a | 308 | if (lp->area != NULL) |
309 | lp->flags &= ~LPFLG_LOOKUP_DONE; | |
718e3744 | 310 | |
311 | return; | |
312 | } | |
313 | ||
314 | static void | |
315 | set_mpls_te_router_addr (struct in_addr ipv4) | |
316 | { | |
317 | OspfMplsTE.router_addr.header.type = htons (TE_TLV_ROUTER_ADDR); | |
318 | OspfMplsTE.router_addr.header.length = htons (sizeof (ipv4)); | |
319 | OspfMplsTE.router_addr.value = ipv4; | |
320 | return; | |
321 | } | |
322 | ||
323 | static void | |
324 | set_linkparams_link_header (struct mpls_te_link *lp) | |
325 | { | |
326 | struct te_tlv_header *tlvh; | |
327 | u_int16_t length = 0; | |
328 | ||
329 | /* TE_LINK_SUBTLV_LINK_TYPE */ | |
330 | if (ntohs (lp->link_type.header.type) != 0) | |
331 | length += TLV_SIZE (&lp->link_type.header); | |
332 | ||
333 | /* TE_LINK_SUBTLV_LINK_ID */ | |
334 | if (ntohs (lp->link_id.header.type) != 0) | |
335 | length += TLV_SIZE (&lp->link_id.header); | |
336 | ||
337 | /* TE_LINK_SUBTLV_LCLIF_IPADDR */ | |
338 | if ((tlvh = (struct te_tlv_header *) lp->lclif_ipaddr) != NULL | |
339 | && ntohs (tlvh->type) != 0) | |
340 | length += TLV_SIZE (tlvh); | |
341 | ||
342 | /* TE_LINK_SUBTLV_RMTIF_IPADDR */ | |
343 | if ((tlvh = (struct te_tlv_header *) lp->rmtif_ipaddr) != NULL | |
344 | && ntohs (tlvh->type) != 0) | |
345 | length += TLV_SIZE (tlvh); | |
346 | ||
347 | /* TE_LINK_SUBTLV_TE_METRIC */ | |
348 | if (ntohs (lp->te_metric.header.type) != 0) | |
349 | length += TLV_SIZE (&lp->te_metric.header); | |
350 | ||
351 | /* TE_LINK_SUBTLV_MAX_BW */ | |
352 | if (ntohs (lp->max_bw.header.type) != 0) | |
353 | length += TLV_SIZE (&lp->max_bw.header); | |
354 | ||
355 | /* TE_LINK_SUBTLV_MAX_RSV_BW */ | |
356 | if (ntohs (lp->max_rsv_bw.header.type) != 0) | |
357 | length += TLV_SIZE (&lp->max_rsv_bw.header); | |
358 | ||
359 | /* TE_LINK_SUBTLV_UNRSV_BW */ | |
360 | if (ntohs (lp->unrsv_bw.header.type) != 0) | |
361 | length += TLV_SIZE (&lp->unrsv_bw.header); | |
362 | ||
363 | /* TE_LINK_SUBTLV_RSC_CLSCLR */ | |
364 | if (ntohs (lp->rsc_clsclr.header.type) != 0) | |
365 | length += TLV_SIZE (&lp->rsc_clsclr.header); | |
366 | ||
367 | lp->link_header.header.type = htons (TE_TLV_LINK); | |
368 | lp->link_header.header.length = htons (length); | |
369 | ||
370 | return; | |
371 | } | |
372 | ||
373 | static void | |
374 | set_linkparams_link_type (struct ospf_interface *oi, struct mpls_te_link *lp) | |
375 | { | |
376 | lp->link_type.header.type = htons (TE_LINK_SUBTLV_LINK_TYPE); | |
377 | lp->link_type.header.length = htons (sizeof (lp->link_type.link_type.value)); | |
378 | ||
379 | switch (oi->type) | |
380 | { | |
381 | case OSPF_IFTYPE_POINTOPOINT: | |
382 | lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_PTP; | |
383 | break; | |
384 | case OSPF_IFTYPE_BROADCAST: | |
385 | case OSPF_IFTYPE_NBMA: | |
386 | lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_MA; | |
387 | break; | |
388 | default: | |
389 | /* Not supported yet. *//* XXX */ | |
390 | lp->link_type.header.type = htons (0); | |
391 | break; | |
392 | } | |
393 | return; | |
394 | } | |
395 | ||
396 | static void | |
397 | set_linkparams_link_id (struct ospf_interface *oi, struct mpls_te_link *lp) | |
398 | { | |
399 | struct ospf_neighbor *nbr; | |
400 | int done = 0; | |
401 | ||
402 | lp->link_id.header.type = htons (TE_LINK_SUBTLV_LINK_ID); | |
403 | lp->link_id.header.length = htons (sizeof (lp->link_id.value)); | |
404 | ||
405 | /* | |
406 | * The Link ID is identical to the contents of the Link ID field | |
407 | * in the Router LSA for these link types. | |
408 | */ | |
409 | switch (oi->type) | |
410 | { | |
411 | case OSPF_IFTYPE_POINTOPOINT: | |
412 | /* Take the router ID of the neighbor. */ | |
d4a53d58 | 413 | if ((nbr = ospf_nbr_lookup_ptop (oi)) |
414 | && nbr->state == NSM_Full) | |
718e3744 | 415 | { |
416 | lp->link_id.value = nbr->router_id; | |
417 | done = 1; | |
418 | } | |
419 | break; | |
420 | case OSPF_IFTYPE_BROADCAST: | |
421 | case OSPF_IFTYPE_NBMA: | |
422 | /* Take the interface address of the designated router. */ | |
423 | if ((nbr = ospf_nbr_lookup_by_addr (oi->nbrs, &DR (oi))) == NULL) | |
424 | break; | |
425 | ||
426 | if (nbr->state == NSM_Full | |
427 | || (IPV4_ADDR_SAME (&oi->address->u.prefix4, &DR (oi)) | |
d4a53d58 | 428 | && ospf_nbr_count (oi, NSM_Full) > 0)) |
718e3744 | 429 | { |
430 | lp->link_id.value = DR (oi); | |
431 | done = 1; | |
432 | } | |
433 | break; | |
434 | default: | |
435 | /* Not supported yet. *//* XXX */ | |
436 | lp->link_id.header.type = htons (0); | |
437 | break; | |
438 | } | |
439 | ||
440 | if (! done) | |
441 | { | |
442 | struct in_addr mask; | |
443 | masklen2ip (oi->address->prefixlen, &mask); | |
444 | lp->link_id.value.s_addr = oi->address->u.prefix4.s_addr & mask.s_addr; | |
445 | } | |
446 | return; | |
447 | } | |
448 | ||
449 | static void | |
450 | set_linkparams_te_metric (struct mpls_te_link *lp, u_int32_t te_metric) | |
451 | { | |
452 | lp->te_metric.header.type = htons (TE_LINK_SUBTLV_TE_METRIC); | |
453 | lp->te_metric.header.length = htons (sizeof (lp->te_metric.value)); | |
454 | lp->te_metric.value = htonl (te_metric); | |
455 | return; | |
456 | } | |
457 | ||
458 | static void | |
459 | set_linkparams_max_bw (struct mpls_te_link *lp, float *fp) | |
460 | { | |
461 | lp->max_bw.header.type = htons (TE_LINK_SUBTLV_MAX_BW); | |
462 | lp->max_bw.header.length = htons (sizeof (lp->max_bw.value)); | |
463 | htonf (fp, &lp->max_bw.value); | |
464 | return; | |
465 | } | |
466 | ||
467 | static void | |
468 | set_linkparams_max_rsv_bw (struct mpls_te_link *lp, float *fp) | |
469 | { | |
470 | lp->max_rsv_bw.header.type = htons (TE_LINK_SUBTLV_MAX_RSV_BW); | |
471 | lp->max_rsv_bw.header.length = htons (sizeof (lp->max_rsv_bw.value)); | |
472 | htonf (fp, &lp->max_rsv_bw.value); | |
473 | return; | |
474 | } | |
475 | ||
476 | static void | |
477 | set_linkparams_unrsv_bw (struct mpls_te_link *lp, int priority, float *fp) | |
478 | { | |
479 | /* Note that TLV-length field is the size of array. */ | |
480 | lp->unrsv_bw.header.type = htons (TE_LINK_SUBTLV_UNRSV_BW); | |
481 | lp->unrsv_bw.header.length = htons (sizeof (lp->unrsv_bw.value)); | |
482 | htonf (fp, &lp->unrsv_bw.value [priority]); | |
483 | return; | |
484 | } | |
485 | ||
486 | static void | |
487 | set_linkparams_rsc_clsclr (struct mpls_te_link *lp, u_int32_t classcolor) | |
488 | { | |
489 | lp->rsc_clsclr.header.type = htons (TE_LINK_SUBTLV_RSC_CLSCLR); | |
490 | lp->rsc_clsclr.header.length = htons (sizeof (lp->rsc_clsclr.value)); | |
491 | lp->rsc_clsclr.value = htonl (classcolor); | |
492 | return; | |
493 | } | |
494 | ||
495 | static void | |
496 | initialize_linkparams (struct mpls_te_link *lp) | |
497 | { | |
498 | struct interface *ifp = lp->ifp; | |
499 | struct ospf_interface *oi; | |
500 | float fval; | |
501 | int i; | |
502 | ||
503 | if ((oi = lookup_oi_by_ifp (ifp, NULL, OI_ANY)) == NULL) | |
504 | return; | |
505 | ||
506 | /* | |
507 | * Try to set initial values those can be derived from | |
508 | * zebra-interface information. | |
509 | */ | |
510 | set_linkparams_link_type (oi, lp); | |
511 | ||
512 | /* | |
513 | * Linux and *BSD kernel holds bandwidth parameter as an "int" type. | |
514 | * We may have to reconsider, if "ifp->bandwidth" type changes to float. | |
515 | */ | |
516 | fval = (float)((ifp->bandwidth ? ifp->bandwidth | |
517 | : OSPF_DEFAULT_BANDWIDTH) * 1000 / 8); | |
518 | ||
519 | set_linkparams_max_bw (lp, &fval); | |
520 | set_linkparams_max_rsv_bw (lp, &fval); | |
521 | ||
522 | for (i = 0; i < 8; i++) | |
523 | set_linkparams_unrsv_bw (lp, i, &fval); | |
524 | ||
525 | return; | |
526 | } | |
527 | ||
528 | static int | |
529 | is_mandated_params_set (struct mpls_te_link *lp) | |
530 | { | |
531 | int rc = 0; | |
532 | ||
533 | if (ntohs (OspfMplsTE.router_addr.header.type) == 0) | |
534 | goto out; | |
535 | ||
536 | if (ntohs (lp->link_type.header.type) == 0) | |
537 | goto out; | |
538 | ||
539 | if (ntohs (lp->link_id.header.type) == 0) | |
540 | goto out; | |
541 | ||
542 | rc = 1; | |
543 | out: | |
544 | return rc; | |
545 | } | |
546 | ||
547 | /*------------------------------------------------------------------------* | |
548 | * Followings are callback functions against generic Opaque-LSAs handling. | |
549 | *------------------------------------------------------------------------*/ | |
550 | ||
551 | static int | |
552 | ospf_mpls_te_new_if (struct interface *ifp) | |
553 | { | |
554 | struct mpls_te_link *new; | |
555 | int rc = -1; | |
556 | ||
557 | if (lookup_linkparams_by_ifp (ifp) != NULL) | |
558 | { | |
559 | zlog_warn ("ospf_mpls_te_new_if: ifp(%p) already in use?", ifp); | |
560 | rc = 0; /* Do nothing here. */ | |
561 | goto out; | |
562 | } | |
563 | ||
564 | if ((new = XMALLOC (MTYPE_OSPF_MPLS_TE_LINKPARAMS, | |
565 | sizeof (struct mpls_te_link))) == NULL) | |
566 | { | |
6099b3b5 | 567 | zlog_warn ("ospf_mpls_te_new_if: XMALLOC: %s", safe_strerror (errno)); |
718e3744 | 568 | goto out; |
569 | } | |
570 | memset (new, 0, sizeof (struct mpls_te_link)); | |
571 | ||
572 | new->area = NULL; | |
573 | new->flags = 0; | |
574 | new->instance = get_mpls_te_instance_value (); | |
575 | new->ifp = ifp; | |
576 | ||
577 | initialize_linkparams (new); | |
578 | ||
579 | listnode_add (OspfMplsTE.iflist, new); | |
580 | ||
581 | /* Schedule Opaque-LSA refresh. *//* XXX */ | |
582 | ||
583 | rc = 0; | |
584 | out: | |
585 | return rc; | |
586 | } | |
587 | ||
588 | static int | |
589 | ospf_mpls_te_del_if (struct interface *ifp) | |
590 | { | |
591 | struct mpls_te_link *lp; | |
592 | int rc = -1; | |
593 | ||
594 | if ((lp = lookup_linkparams_by_ifp (ifp)) != NULL) | |
595 | { | |
87d6f87a | 596 | struct list *iflist = OspfMplsTE.iflist; |
718e3744 | 597 | |
598 | /* Dequeue listnode entry from the list. */ | |
599 | listnode_delete (iflist, lp); | |
600 | ||
601 | /* Avoid misjudgement in the next lookup. */ | |
602 | if (listcount (iflist) == 0) | |
603 | iflist->head = iflist->tail = NULL; | |
604 | ||
605 | XFREE (MTYPE_OSPF_MPLS_TE_LINKPARAMS, lp); | |
606 | } | |
607 | ||
608 | /* Schedule Opaque-LSA refresh. *//* XXX */ | |
609 | ||
610 | rc = 0; | |
611 | /*out:*/ | |
612 | return rc; | |
613 | } | |
614 | ||
615 | static void | |
616 | ospf_mpls_te_ism_change (struct ospf_interface *oi, int old_state) | |
617 | { | |
618 | struct te_link_subtlv_link_type old_type; | |
619 | struct te_link_subtlv_link_id old_id; | |
620 | struct mpls_te_link *lp; | |
621 | ||
622 | if ((lp = lookup_linkparams_by_ifp (oi->ifp)) == NULL) | |
623 | { | |
624 | zlog_warn ("ospf_mpls_te_ism_change: Cannot get linkparams from OI(%s)?", IF_NAME (oi)); | |
625 | goto out; | |
626 | } | |
d4a53d58 | 627 | if (oi->area == NULL || oi->area->ospf == NULL) |
718e3744 | 628 | { |
629 | zlog_warn ("ospf_mpls_te_ism_change: Cannot refer to OSPF from OI(%s)?", | |
630 | IF_NAME (oi)); | |
631 | goto out; | |
632 | } | |
633 | #ifdef notyet | |
634 | if ((lp->area != NULL | |
635 | && ! IPV4_ADDR_SAME (&lp->area->area_id, &oi->area->area_id)) | |
636 | || (lp->area != NULL && oi->area == NULL)) | |
637 | { | |
638 | /* How should we consider this case? */ | |
639 | zlog_warn ("MPLS-TE: Area for OI(%s) has changed to [%s], flush previous LSAs", IF_NAME (oi), oi->area ? inet_ntoa (oi->area->area_id) : "N/A"); | |
640 | ospf_mpls_te_lsa_schedule (lp, FLUSH_THIS_LSA); | |
641 | } | |
642 | #endif | |
643 | /* Keep Area information in conbination with linkparams. */ | |
644 | lp->area = oi->area; | |
645 | ||
646 | switch (oi->state) | |
647 | { | |
648 | case ISM_PointToPoint: | |
649 | case ISM_DROther: | |
650 | case ISM_Backup: | |
651 | case ISM_DR: | |
652 | old_type = lp->link_type; | |
653 | old_id = lp->link_id; | |
654 | ||
655 | set_linkparams_link_type (oi, lp); | |
656 | set_linkparams_link_id (oi, lp); | |
657 | ||
658 | if ((ntohs (old_type.header.type) != ntohs (lp->link_type.header.type) | |
659 | || old_type.link_type.value != lp->link_type.link_type.value) | |
660 | || (ntohs (old_id.header.type) != ntohs (lp->link_id.header.type) | |
661 | || ntohl (old_id.value.s_addr) != ntohl (lp->link_id.value.s_addr))) | |
662 | { | |
663 | if (lp->flags & LPFLG_LSA_ENGAGED) | |
664 | ospf_mpls_te_lsa_schedule (lp, REFRESH_THIS_LSA); | |
665 | else | |
666 | ospf_mpls_te_lsa_schedule (lp, REORIGINATE_PER_AREA); | |
667 | } | |
668 | break; | |
669 | default: | |
670 | lp->link_type.header.type = htons (0); | |
671 | lp->link_id.header.type = htons (0); | |
672 | ||
673 | if (lp->flags & LPFLG_LSA_ENGAGED) | |
674 | ospf_mpls_te_lsa_schedule (lp, FLUSH_THIS_LSA); | |
675 | break; | |
676 | } | |
677 | ||
678 | out: | |
679 | return; | |
680 | } | |
681 | ||
682 | static void | |
683 | ospf_mpls_te_nsm_change (struct ospf_neighbor *nbr, int old_state) | |
684 | { | |
685 | /* So far, nothing to do here. */ | |
686 | return; | |
687 | } | |
688 | ||
689 | /*------------------------------------------------------------------------* | |
690 | * Followings are OSPF protocol processing functions for MPLS-TE. | |
691 | *------------------------------------------------------------------------*/ | |
692 | ||
693 | static void | |
694 | build_tlv_header (struct stream *s, struct te_tlv_header *tlvh) | |
695 | { | |
696 | stream_put (s, tlvh, sizeof (struct te_tlv_header)); | |
697 | return; | |
698 | } | |
699 | ||
700 | static void | |
701 | build_router_tlv (struct stream *s) | |
702 | { | |
703 | struct te_tlv_header *tlvh = &OspfMplsTE.router_addr.header; | |
704 | if (ntohs (tlvh->type) != 0) | |
705 | { | |
706 | build_tlv_header (s, tlvh); | |
707 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
708 | } | |
709 | return; | |
710 | } | |
711 | ||
712 | static void | |
713 | build_link_subtlv_link_type (struct stream *s, struct mpls_te_link *lp) | |
714 | { | |
715 | struct te_tlv_header *tlvh = &lp->link_type.header; | |
716 | if (ntohs (tlvh->type) != 0) | |
717 | { | |
718 | build_tlv_header (s, tlvh); | |
719 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
720 | } | |
721 | return; | |
722 | } | |
723 | ||
724 | static void | |
725 | build_link_subtlv_link_id (struct stream *s, struct mpls_te_link *lp) | |
726 | { | |
727 | struct te_tlv_header *tlvh = &lp->link_id.header; | |
728 | if (ntohs (tlvh->type) != 0) | |
729 | { | |
730 | build_tlv_header (s, tlvh); | |
731 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
732 | } | |
733 | return; | |
734 | } | |
735 | ||
736 | static void | |
737 | build_link_subtlv_lclif_ipaddr (struct stream *s, struct mpls_te_link *lp) | |
738 | { | |
739 | struct te_tlv_header *tlvh = (struct te_tlv_header *) lp->lclif_ipaddr; | |
740 | if (tlvh != NULL && ntohs (tlvh->type) != 0) | |
741 | { | |
742 | build_tlv_header (s, tlvh); | |
743 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
744 | } | |
745 | return; | |
746 | } | |
747 | ||
748 | static void | |
749 | build_link_subtlv_rmtif_ipaddr (struct stream *s, struct mpls_te_link *lp) | |
750 | { | |
751 | struct te_tlv_header *tlvh = (struct te_tlv_header *) lp->rmtif_ipaddr; | |
752 | if (tlvh != NULL && ntohs (tlvh->type) != 0) | |
753 | { | |
754 | build_tlv_header (s, tlvh); | |
755 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
756 | } | |
757 | return; | |
758 | } | |
759 | ||
760 | static void | |
761 | build_link_subtlv_te_metric (struct stream *s, struct mpls_te_link *lp) | |
762 | { | |
763 | struct te_tlv_header *tlvh = &lp->te_metric.header; | |
764 | if (ntohs (tlvh->type) != 0) | |
765 | { | |
766 | build_tlv_header (s, tlvh); | |
767 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
768 | } | |
769 | return; | |
770 | } | |
771 | ||
772 | static void | |
773 | build_link_subtlv_max_bw (struct stream *s, struct mpls_te_link *lp) | |
774 | { | |
775 | struct te_tlv_header *tlvh = &lp->max_bw.header; | |
776 | if (ntohs (tlvh->type) != 0) | |
777 | { | |
778 | build_tlv_header (s, tlvh); | |
779 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
780 | } | |
781 | return; | |
782 | } | |
783 | ||
784 | static void | |
785 | build_link_subtlv_max_rsv_bw (struct stream *s, struct mpls_te_link *lp) | |
786 | { | |
787 | struct te_tlv_header *tlvh = &lp->max_rsv_bw.header; | |
788 | if (ntohs (tlvh->type) != 0) | |
789 | { | |
790 | build_tlv_header (s, tlvh); | |
791 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
792 | } | |
793 | return; | |
794 | } | |
795 | ||
796 | static void | |
797 | build_link_subtlv_unrsv_bw (struct stream *s, struct mpls_te_link *lp) | |
798 | { | |
799 | struct te_tlv_header *tlvh = &lp->unrsv_bw.header; | |
800 | if (ntohs (tlvh->type) != 0) | |
801 | { | |
802 | build_tlv_header (s, tlvh); | |
803 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
804 | } | |
805 | return; | |
806 | } | |
807 | ||
808 | static void | |
809 | build_link_subtlv_rsc_clsclr (struct stream *s, struct mpls_te_link *lp) | |
810 | { | |
811 | struct te_tlv_header *tlvh = &lp->rsc_clsclr.header; | |
812 | if (ntohs (tlvh->type) != 0) | |
813 | { | |
814 | build_tlv_header (s, tlvh); | |
815 | stream_put (s, tlvh+1, TLV_BODY_SIZE (tlvh)); | |
816 | } | |
817 | return; | |
818 | } | |
819 | ||
820 | static void | |
821 | build_link_tlv (struct stream *s, struct mpls_te_link *lp) | |
822 | { | |
823 | set_linkparams_link_header (lp); | |
824 | build_tlv_header (s, &lp->link_header.header); | |
825 | ||
826 | build_link_subtlv_link_type (s, lp); | |
827 | build_link_subtlv_link_id (s, lp); | |
828 | build_link_subtlv_lclif_ipaddr (s, lp); | |
829 | build_link_subtlv_rmtif_ipaddr (s, lp); | |
830 | build_link_subtlv_te_metric (s, lp); | |
831 | build_link_subtlv_max_bw (s, lp); | |
832 | build_link_subtlv_max_rsv_bw (s, lp); | |
833 | build_link_subtlv_unrsv_bw (s, lp); | |
834 | build_link_subtlv_rsc_clsclr (s, lp); | |
835 | return; | |
836 | } | |
837 | ||
838 | static void | |
839 | ospf_mpls_te_lsa_body_set (struct stream *s, struct mpls_te_link *lp) | |
840 | { | |
841 | /* | |
842 | * The router address TLV is type 1, and ... | |
843 | * It must appear in exactly one | |
844 | * Traffic Engineering LSA originated by a router. | |
845 | */ | |
846 | build_router_tlv (s); | |
847 | ||
848 | /* | |
849 | * Only one Link TLV shall be carried in each LSA, allowing for fine | |
850 | * granularity changes in topology. | |
851 | */ | |
852 | build_link_tlv (s, lp); | |
853 | return; | |
854 | } | |
855 | ||
856 | /* Create new opaque-LSA. */ | |
857 | static struct ospf_lsa * | |
858 | ospf_mpls_te_lsa_new (struct ospf_area *area, struct mpls_te_link *lp) | |
859 | { | |
860 | struct stream *s; | |
861 | struct lsa_header *lsah; | |
862 | struct ospf_lsa *new = NULL; | |
863 | u_char options, lsa_type; | |
864 | struct in_addr lsa_id; | |
865 | u_int32_t tmp; | |
866 | u_int16_t length; | |
867 | ||
868 | /* Create a stream for LSA. */ | |
869 | if ((s = stream_new (OSPF_MAX_LSA_SIZE)) == NULL) | |
870 | { | |
871 | zlog_warn ("ospf_mpls_te_lsa_new: stream_new() ?"); | |
872 | goto out; | |
873 | } | |
874 | lsah = (struct lsa_header *) STREAM_DATA (s); | |
875 | ||
876 | options = LSA_OPTIONS_GET (area); | |
d4a53d58 | 877 | options |= LSA_OPTIONS_NSSA_GET (area); |
718e3744 | 878 | options |= OSPF_OPTION_O; /* Don't forget this :-) */ |
879 | ||
880 | lsa_type = OSPF_OPAQUE_AREA_LSA; | |
881 | tmp = SET_OPAQUE_LSID (OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA, lp->instance); | |
882 | lsa_id.s_addr = htonl (tmp); | |
883 | ||
884 | if (IS_DEBUG_OSPF (lsa, LSA_GENERATE)) | |
2a42e285 | 885 | zlog_debug ("LSA[Type%d:%s]: Create an Opaque-LSA/MPLS-TE instance", lsa_type, inet_ntoa (lsa_id)); |
718e3744 | 886 | |
887 | /* Set opaque-LSA header fields. */ | |
d4a53d58 | 888 | lsa_header_set (s, options, lsa_type, lsa_id, area->ospf->router_id); |
718e3744 | 889 | |
890 | /* Set opaque-LSA body fields. */ | |
891 | ospf_mpls_te_lsa_body_set (s, lp); | |
892 | ||
893 | /* Set length. */ | |
894 | length = stream_get_endp (s); | |
895 | lsah->length = htons (length); | |
896 | ||
897 | /* Now, create an OSPF LSA instance. */ | |
898 | if ((new = ospf_lsa_new ()) == NULL) | |
899 | { | |
900 | zlog_warn ("ospf_mpls_te_lsa_new: ospf_lsa_new() ?"); | |
901 | stream_free (s); | |
902 | goto out; | |
903 | } | |
904 | if ((new->data = ospf_lsa_data_new (length)) == NULL) | |
905 | { | |
906 | zlog_warn ("ospf_mpls_te_lsa_new: ospf_lsa_data_new() ?"); | |
788dab10 | 907 | ospf_lsa_unlock (new); |
718e3744 | 908 | new = NULL; |
909 | stream_free (s); | |
910 | goto out; | |
911 | } | |
912 | ||
913 | new->area = area; | |
914 | SET_FLAG (new->flags, OSPF_LSA_SELF); | |
915 | memcpy (new->data, lsah, length); | |
916 | stream_free (s); | |
917 | ||
918 | out: | |
919 | return new; | |
920 | } | |
921 | ||
922 | static int | |
923 | ospf_mpls_te_lsa_originate1 (struct ospf_area *area, struct mpls_te_link *lp) | |
924 | { | |
925 | struct ospf_lsa *new; | |
926 | int rc = -1; | |
927 | ||
928 | /* Create new Opaque-LSA/MPLS-TE instance. */ | |
929 | if ((new = ospf_mpls_te_lsa_new (area, lp)) == NULL) | |
930 | { | |
931 | zlog_warn ("ospf_mpls_te_lsa_originate1: ospf_mpls_te_lsa_new() ?"); | |
932 | goto out; | |
933 | } | |
934 | ||
935 | /* Install this LSA into LSDB. */ | |
d4a53d58 | 936 | if (ospf_lsa_install (area->ospf, NULL/*oi*/, new) == NULL) |
718e3744 | 937 | { |
938 | zlog_warn ("ospf_mpls_te_lsa_originate1: ospf_lsa_install() ?"); | |
788dab10 | 939 | ospf_lsa_unlock (new); |
718e3744 | 940 | goto out; |
941 | } | |
942 | ||
943 | /* Now this linkparameter entry has associated LSA. */ | |
944 | lp->flags |= LPFLG_LSA_ENGAGED; | |
945 | ||
946 | /* Update new LSA origination count. */ | |
d4a53d58 | 947 | area->ospf->lsa_originate_count++; |
718e3744 | 948 | |
949 | /* Flood new LSA through area. */ | |
950 | ospf_flood_through_area (area, NULL/*nbr*/, new); | |
951 | ||
952 | if (IS_DEBUG_OSPF (lsa, LSA_GENERATE)) | |
953 | { | |
954 | char area_id[INET_ADDRSTRLEN]; | |
955 | strcpy (area_id, inet_ntoa (area->area_id)); | |
2a42e285 | 956 | zlog_debug ("LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE: Area(%s), Link(%s)", new->data->type, inet_ntoa (new->data->id), area_id, lp->ifp->name); |
718e3744 | 957 | ospf_lsa_header_dump (new->data); |
958 | } | |
959 | ||
960 | rc = 0; | |
961 | out: | |
962 | return rc; | |
963 | } | |
964 | ||
965 | static int | |
966 | ospf_mpls_te_lsa_originate (void *arg) | |
967 | { | |
968 | struct ospf_area *area = (struct ospf_area *) arg; | |
1eb8ef25 | 969 | struct listnode *node, *nnode; |
718e3744 | 970 | struct mpls_te_link *lp; |
971 | int rc = -1; | |
972 | ||
973 | if (OspfMplsTE.status == disabled) | |
974 | { | |
975 | zlog_info ("ospf_mpls_te_lsa_originate: MPLS-TE is disabled now."); | |
976 | rc = 0; /* This is not an error case. */ | |
977 | goto out; | |
978 | } | |
979 | ||
1eb8ef25 | 980 | for (ALL_LIST_ELEMENTS (OspfMplsTE.iflist, node, nnode, lp)) |
718e3744 | 981 | { |
718e3744 | 982 | if (lp->area == NULL) |
983 | continue; | |
984 | if (! IPV4_ADDR_SAME (&lp->area->area_id, &area->area_id)) | |
985 | continue; | |
986 | ||
987 | if (lp->flags & LPFLG_LSA_ENGAGED) | |
988 | { | |
989 | if (lp->flags & LPFLG_LSA_FORCED_REFRESH) | |
990 | { | |
991 | lp->flags &= ~LPFLG_LSA_FORCED_REFRESH; | |
992 | ospf_mpls_te_lsa_schedule (lp, REFRESH_THIS_LSA); | |
993 | } | |
994 | continue; | |
995 | } | |
996 | if (! is_mandated_params_set (lp)) | |
997 | { | |
998 | zlog_warn ("ospf_mpls_te_lsa_originate: Link(%s) lacks some mandated MPLS-TE parameters.", lp->ifp ? lp->ifp->name : "?"); | |
999 | continue; | |
1000 | } | |
1001 | ||
1002 | /* Ok, let's try to originate an LSA for this area and Link. */ | |
1003 | if (ospf_mpls_te_lsa_originate1 (area, lp) != 0) | |
1004 | goto out; | |
1005 | } | |
1006 | ||
1007 | rc = 0; | |
1008 | out: | |
1009 | return rc; | |
1010 | } | |
1011 | ||
1012 | static void | |
1013 | ospf_mpls_te_lsa_refresh (struct ospf_lsa *lsa) | |
1014 | { | |
1015 | struct mpls_te_link *lp; | |
1016 | struct ospf_area *area = lsa->area; | |
1017 | struct ospf_lsa *new = NULL; | |
1018 | ||
1019 | if (OspfMplsTE.status == disabled) | |
1020 | { | |
1021 | /* | |
1022 | * This LSA must have flushed before due to MPLS-TE status change. | |
1023 | * It seems a slip among routers in the routing domain. | |
1024 | */ | |
1025 | zlog_info ("ospf_mpls_te_lsa_refresh: MPLS-TE is disabled now."); | |
1026 | lsa->data->ls_age = htons (OSPF_LSA_MAXAGE); /* Flush it anyway. */ | |
1027 | } | |
1028 | ||
1029 | /* At first, resolve lsa/lp relationship. */ | |
1030 | if ((lp = lookup_linkparams_by_instance (lsa)) == NULL) | |
1031 | { | |
1032 | zlog_warn ("ospf_mpls_te_lsa_refresh: Invalid parameter?"); | |
1033 | lsa->data->ls_age = htons (OSPF_LSA_MAXAGE); /* Flush it anyway. */ | |
1034 | } | |
1035 | ||
1036 | /* If the lsa's age reached to MaxAge, start flushing procedure. */ | |
1037 | if (IS_LSA_MAXAGE (lsa)) | |
1038 | { | |
1039 | lp->flags &= ~LPFLG_LSA_ENGAGED; | |
1040 | ospf_opaque_lsa_flush_schedule (lsa); | |
1041 | goto out; | |
1042 | } | |
1043 | ||
1044 | /* Create new Opaque-LSA/MPLS-TE instance. */ | |
1045 | if ((new = ospf_mpls_te_lsa_new (area, lp)) == NULL) | |
1046 | { | |
1047 | zlog_warn ("ospf_mpls_te_lsa_refresh: ospf_mpls_te_lsa_new() ?"); | |
1048 | goto out; | |
1049 | } | |
1050 | new->data->ls_seqnum = lsa_seqnum_increment (lsa); | |
1051 | ||
1052 | /* Install this LSA into LSDB. */ | |
1053 | /* Given "lsa" will be freed in the next function. */ | |
d4a53d58 | 1054 | if (ospf_lsa_install (area->ospf, NULL/*oi*/, new) == NULL) |
718e3744 | 1055 | { |
1056 | zlog_warn ("ospf_mpls_te_lsa_refresh: ospf_lsa_install() ?"); | |
788dab10 | 1057 | ospf_lsa_unlock (new); |
718e3744 | 1058 | goto out; |
1059 | } | |
1060 | ||
1061 | /* Flood updated LSA through area. */ | |
1062 | ospf_flood_through_area (area, NULL/*nbr*/, new); | |
1063 | ||
1064 | /* Debug logging. */ | |
1065 | if (IS_DEBUG_OSPF (lsa, LSA_GENERATE)) | |
1066 | { | |
2a42e285 | 1067 | zlog_debug ("LSA[Type%d:%s]: Refresh Opaque-LSA/MPLS-TE", |
718e3744 | 1068 | new->data->type, inet_ntoa (new->data->id)); |
1069 | ospf_lsa_header_dump (new->data); | |
1070 | } | |
1071 | ||
1072 | out: | |
1073 | return; | |
1074 | } | |
1075 | ||
1076 | static void | |
1077 | ospf_mpls_te_lsa_schedule (struct mpls_te_link *lp, | |
1078 | enum sched_opcode opcode) | |
1079 | { | |
1080 | struct ospf_lsa lsa; | |
1081 | struct lsa_header lsah; | |
1082 | u_int32_t tmp; | |
1083 | ||
1084 | memset (&lsa, 0, sizeof (lsa)); | |
1085 | memset (&lsah, 0, sizeof (lsah)); | |
1086 | ||
1087 | lsa.area = lp->area; | |
1088 | lsa.data = &lsah; | |
1089 | lsah.type = OSPF_OPAQUE_AREA_LSA; | |
1090 | tmp = SET_OPAQUE_LSID (OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA, lp->instance); | |
1091 | lsah.id.s_addr = htonl (tmp); | |
1092 | ||
1093 | switch (opcode) | |
1094 | { | |
1095 | case REORIGINATE_PER_AREA: | |
1096 | ospf_opaque_lsa_reoriginate_schedule ((void *) lp->area, | |
1097 | OSPF_OPAQUE_AREA_LSA, OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA); | |
1098 | break; | |
1099 | case REFRESH_THIS_LSA: | |
1100 | ospf_opaque_lsa_refresh_schedule (&lsa); | |
1101 | break; | |
1102 | case FLUSH_THIS_LSA: | |
1103 | lp->flags &= ~LPFLG_LSA_ENGAGED; | |
1104 | ospf_opaque_lsa_flush_schedule (&lsa); | |
1105 | break; | |
1106 | default: | |
1107 | zlog_warn ("ospf_mpls_te_lsa_schedule: Unknown opcode (%u)", opcode); | |
1108 | break; | |
1109 | } | |
1110 | ||
1111 | return; | |
1112 | } | |
1113 | ||
1114 | /*------------------------------------------------------------------------* | |
1115 | * Followings are vty session control functions. | |
1116 | *------------------------------------------------------------------------*/ | |
1117 | ||
1118 | static u_int16_t | |
1119 | show_vty_router_addr (struct vty *vty, struct te_tlv_header *tlvh) | |
1120 | { | |
1121 | struct te_tlv_router_addr *top = (struct te_tlv_router_addr *) tlvh; | |
1122 | ||
1123 | if (vty != NULL) | |
1124 | vty_out (vty, " Router-Address: %s%s", inet_ntoa (top->value), VTY_NEWLINE); | |
1125 | else | |
2a42e285 | 1126 | zlog_debug (" Router-Address: %s", inet_ntoa (top->value)); |
718e3744 | 1127 | |
1128 | return TLV_SIZE (tlvh); | |
1129 | } | |
1130 | ||
1131 | static u_int16_t | |
1132 | show_vty_link_header (struct vty *vty, struct te_tlv_header *tlvh) | |
1133 | { | |
1134 | struct te_tlv_link *top = (struct te_tlv_link *) tlvh; | |
1135 | ||
1136 | if (vty != NULL) | |
1137 | vty_out (vty, " Link: %u octets of data%s", ntohs (top->header.length), VTY_NEWLINE); | |
1138 | else | |
2a42e285 | 1139 | zlog_debug (" Link: %u octets of data", ntohs (top->header.length)); |
718e3744 | 1140 | |
1141 | return TLV_HDR_SIZE; /* Here is special, not "TLV_SIZE". */ | |
1142 | } | |
1143 | ||
1144 | static u_int16_t | |
1145 | show_vty_link_subtlv_link_type (struct vty *vty, struct te_tlv_header *tlvh) | |
1146 | { | |
1147 | struct te_link_subtlv_link_type *top; | |
1148 | const char *cp = "Unknown"; | |
1149 | ||
1150 | top = (struct te_link_subtlv_link_type *) tlvh; | |
1151 | switch (top->link_type.value) | |
1152 | { | |
1153 | case LINK_TYPE_SUBTLV_VALUE_PTP: | |
1154 | cp = "Point-to-point"; | |
1155 | break; | |
1156 | case LINK_TYPE_SUBTLV_VALUE_MA: | |
1157 | cp = "Multiaccess"; | |
1158 | break; | |
1159 | default: | |
1160 | break; | |
1161 | } | |
1162 | ||
1163 | if (vty != NULL) | |
1164 | vty_out (vty, " Link-Type: %s (%u)%s", cp, top->link_type.value, VTY_NEWLINE); | |
1165 | else | |
2a42e285 | 1166 | zlog_debug (" Link-Type: %s (%u)", cp, top->link_type.value); |
718e3744 | 1167 | |
1168 | return TLV_SIZE (tlvh); | |
1169 | } | |
1170 | ||
1171 | static u_int16_t | |
1172 | show_vty_link_subtlv_link_id (struct vty *vty, struct te_tlv_header *tlvh) | |
1173 | { | |
1174 | struct te_link_subtlv_link_id *top; | |
1175 | ||
1176 | top = (struct te_link_subtlv_link_id *) tlvh; | |
1177 | if (vty != NULL) | |
1178 | vty_out (vty, " Link-ID: %s%s", inet_ntoa (top->value), VTY_NEWLINE); | |
1179 | else | |
2a42e285 | 1180 | zlog_debug (" Link-ID: %s", inet_ntoa (top->value)); |
718e3744 | 1181 | |
1182 | return TLV_SIZE (tlvh); | |
1183 | } | |
1184 | ||
1185 | static u_int16_t | |
1186 | show_vty_link_subtlv_lclif_ipaddr (struct vty *vty, struct te_tlv_header *tlvh) | |
1187 | { | |
1188 | struct te_link_subtlv_lclif_ipaddr *top; | |
1189 | int i, n; | |
1190 | ||
1191 | top = (struct te_link_subtlv_lclif_ipaddr *) tlvh; | |
1192 | n = ntohs (tlvh->length) / sizeof (top->value[0]); | |
1193 | ||
1194 | if (vty != NULL) | |
1195 | vty_out (vty, " Local Interface IP Address(es): %d%s", n, VTY_NEWLINE); | |
1196 | else | |
2a42e285 | 1197 | zlog_debug (" Local Interface IP Address(es): %d", n); |
718e3744 | 1198 | |
1199 | for (i = 0; i < n; i++) | |
1200 | { | |
1201 | if (vty != NULL) | |
1202 | vty_out (vty, " #%d: %s%s", i, inet_ntoa (top->value[i]), VTY_NEWLINE); | |
1203 | else | |
2a42e285 | 1204 | zlog_debug (" #%d: %s", i, inet_ntoa (top->value[i])); |
718e3744 | 1205 | } |
1206 | return TLV_SIZE (tlvh); | |
1207 | } | |
1208 | ||
1209 | static u_int16_t | |
1210 | show_vty_link_subtlv_rmtif_ipaddr (struct vty *vty, struct te_tlv_header *tlvh) | |
1211 | { | |
1212 | struct te_link_subtlv_rmtif_ipaddr *top; | |
1213 | int i, n; | |
1214 | ||
1215 | top = (struct te_link_subtlv_rmtif_ipaddr *) tlvh; | |
1216 | n = ntohs (tlvh->length) / sizeof (top->value[0]); | |
1217 | if (vty != NULL) | |
1218 | vty_out (vty, " Remote Interface IP Address(es): %d%s", n, VTY_NEWLINE); | |
1219 | else | |
2a42e285 | 1220 | zlog_debug (" Remote Interface IP Address(es): %d", n); |
718e3744 | 1221 | |
1222 | for (i = 0; i < n; i++) | |
1223 | { | |
1224 | if (vty != NULL) | |
1225 | vty_out (vty, " #%d: %s%s", i, inet_ntoa (top->value[i]), VTY_NEWLINE); | |
1226 | else | |
2a42e285 | 1227 | zlog_debug (" #%d: %s", i, inet_ntoa (top->value[i])); |
718e3744 | 1228 | } |
1229 | return TLV_SIZE (tlvh); | |
1230 | } | |
1231 | ||
1232 | static u_int16_t | |
1233 | show_vty_link_subtlv_te_metric (struct vty *vty, struct te_tlv_header *tlvh) | |
1234 | { | |
1235 | struct te_link_subtlv_te_metric *top; | |
1236 | ||
1237 | top = (struct te_link_subtlv_te_metric *) tlvh; | |
1238 | if (vty != NULL) | |
1239 | vty_out (vty, " Traffic Engineering Metric: %u%s", (u_int32_t) ntohl (top->value), VTY_NEWLINE); | |
1240 | else | |
2a42e285 | 1241 | zlog_debug (" Traffic Engineering Metric: %u", (u_int32_t) ntohl (top->value)); |
718e3744 | 1242 | |
1243 | return TLV_SIZE (tlvh); | |
1244 | } | |
1245 | ||
1246 | static u_int16_t | |
1247 | show_vty_link_subtlv_max_bw (struct vty *vty, struct te_tlv_header *tlvh) | |
1248 | { | |
1249 | struct te_link_subtlv_max_bw *top; | |
1250 | float fval; | |
1251 | ||
1252 | top = (struct te_link_subtlv_max_bw *) tlvh; | |
1253 | ntohf (&top->value, &fval); | |
1254 | ||
1255 | if (vty != NULL) | |
1256 | vty_out (vty, " Maximum Bandwidth: %g (Bytes/sec)%s", fval, VTY_NEWLINE); | |
1257 | else | |
2a42e285 | 1258 | zlog_debug (" Maximum Bandwidth: %g (Bytes/sec)", fval); |
718e3744 | 1259 | |
1260 | return TLV_SIZE (tlvh); | |
1261 | } | |
1262 | ||
1263 | static u_int16_t | |
1264 | show_vty_link_subtlv_max_rsv_bw (struct vty *vty, struct te_tlv_header *tlvh) | |
1265 | { | |
1266 | struct te_link_subtlv_max_rsv_bw *top; | |
1267 | float fval; | |
1268 | ||
1269 | top = (struct te_link_subtlv_max_rsv_bw *) tlvh; | |
1270 | ntohf (&top->value, &fval); | |
1271 | ||
1272 | if (vty != NULL) | |
1273 | vty_out (vty, " Maximum Reservable Bandwidth: %g (Bytes/sec)%s", fval, VTY_NEWLINE); | |
1274 | else | |
2a42e285 | 1275 | zlog_debug (" Maximum Reservable Bandwidth: %g (Bytes/sec)", fval); |
718e3744 | 1276 | |
1277 | return TLV_SIZE (tlvh); | |
1278 | } | |
1279 | ||
1280 | static u_int16_t | |
1281 | show_vty_link_subtlv_unrsv_bw (struct vty *vty, struct te_tlv_header *tlvh) | |
1282 | { | |
1283 | struct te_link_subtlv_unrsv_bw *top; | |
1284 | float fval; | |
1285 | int i; | |
1286 | ||
1287 | top = (struct te_link_subtlv_unrsv_bw *) tlvh; | |
1288 | for (i = 0; i < 8; i++) | |
1289 | { | |
1290 | ntohf (&top->value[i], &fval); | |
1291 | if (vty != NULL) | |
1292 | vty_out (vty, " Unreserved Bandwidth (pri %d): %g (Bytes/sec)%s", i, fval, VTY_NEWLINE); | |
1293 | else | |
2a42e285 | 1294 | zlog_debug (" Unreserved Bandwidth (pri %d): %g (Bytes/sec)", i, fval); |
718e3744 | 1295 | } |
1296 | ||
1297 | return TLV_SIZE (tlvh); | |
1298 | } | |
1299 | ||
1300 | static u_int16_t | |
1301 | show_vty_link_subtlv_rsc_clsclr (struct vty *vty, struct te_tlv_header *tlvh) | |
1302 | { | |
1303 | struct te_link_subtlv_rsc_clsclr *top; | |
1304 | ||
1305 | top = (struct te_link_subtlv_rsc_clsclr *) tlvh; | |
1306 | if (vty != NULL) | |
1307 | vty_out (vty, " Resource class/color: 0x%x%s", (u_int32_t) ntohl (top->value), VTY_NEWLINE); | |
1308 | else | |
2a42e285 | 1309 | zlog_debug (" Resource Class/Color: 0x%x", (u_int32_t) ntohl (top->value)); |
718e3744 | 1310 | |
1311 | return TLV_SIZE (tlvh); | |
1312 | } | |
1313 | ||
1314 | static u_int16_t | |
1315 | show_vty_unknown_tlv (struct vty *vty, struct te_tlv_header *tlvh) | |
1316 | { | |
1317 | if (vty != NULL) | |
1318 | vty_out (vty, " Unknown TLV: [type(0x%x), length(0x%x)]%s", ntohs (tlvh->type), ntohs (tlvh->length), VTY_NEWLINE); | |
1319 | else | |
2a42e285 | 1320 | zlog_debug (" Unknown TLV: [type(0x%x), length(0x%x)]", ntohs (tlvh->type), ntohs (tlvh->length)); |
718e3744 | 1321 | |
1322 | return TLV_SIZE (tlvh); | |
1323 | } | |
1324 | ||
1325 | static u_int16_t | |
1326 | ospf_mpls_te_show_link_subtlv (struct vty *vty, struct te_tlv_header *tlvh0, | |
1327 | u_int16_t subtotal, u_int16_t total) | |
1328 | { | |
1329 | struct te_tlv_header *tlvh, *next; | |
1330 | u_int16_t sum = subtotal; | |
1331 | ||
1332 | for (tlvh = tlvh0; sum < total; tlvh = (next ? next : TLV_HDR_NEXT (tlvh))) | |
1333 | { | |
1334 | next = NULL; | |
1335 | switch (ntohs (tlvh->type)) | |
1336 | { | |
1337 | case TE_LINK_SUBTLV_LINK_TYPE: | |
1338 | sum += show_vty_link_subtlv_link_type (vty, tlvh); | |
1339 | break; | |
1340 | case TE_LINK_SUBTLV_LINK_ID: | |
1341 | sum += show_vty_link_subtlv_link_id (vty, tlvh); | |
1342 | break; | |
1343 | case TE_LINK_SUBTLV_LCLIF_IPADDR: | |
1344 | sum += show_vty_link_subtlv_lclif_ipaddr (vty, tlvh); | |
1345 | break; | |
1346 | case TE_LINK_SUBTLV_RMTIF_IPADDR: | |
1347 | sum += show_vty_link_subtlv_rmtif_ipaddr (vty, tlvh); | |
1348 | break; | |
1349 | case TE_LINK_SUBTLV_TE_METRIC: | |
1350 | sum += show_vty_link_subtlv_te_metric (vty, tlvh); | |
1351 | break; | |
1352 | case TE_LINK_SUBTLV_MAX_BW: | |
1353 | sum += show_vty_link_subtlv_max_bw (vty, tlvh); | |
1354 | break; | |
1355 | case TE_LINK_SUBTLV_MAX_RSV_BW: | |
1356 | sum += show_vty_link_subtlv_max_rsv_bw (vty, tlvh); | |
1357 | break; | |
1358 | case TE_LINK_SUBTLV_UNRSV_BW: | |
1359 | sum += show_vty_link_subtlv_unrsv_bw (vty, tlvh); | |
1360 | break; | |
1361 | case TE_LINK_SUBTLV_RSC_CLSCLR: | |
1362 | sum += show_vty_link_subtlv_rsc_clsclr (vty, tlvh); | |
1363 | break; | |
1364 | default: | |
1365 | sum += show_vty_unknown_tlv (vty, tlvh); | |
1366 | break; | |
1367 | } | |
1368 | } | |
1369 | return sum; | |
1370 | } | |
1371 | ||
1372 | static void | |
1373 | ospf_mpls_te_show_info (struct vty *vty, struct ospf_lsa *lsa) | |
1374 | { | |
1375 | struct lsa_header *lsah = (struct lsa_header *) lsa->data; | |
1376 | struct te_tlv_header *tlvh, *next; | |
1377 | u_int16_t sum, total; | |
1378 | u_int16_t (* subfunc)(struct vty *vty, struct te_tlv_header *tlvh, | |
1379 | u_int16_t subtotal, u_int16_t total) = NULL; | |
1380 | ||
1381 | sum = 0; | |
1382 | total = ntohs (lsah->length) - OSPF_LSA_HEADER_SIZE; | |
1383 | ||
1384 | for (tlvh = TLV_HDR_TOP (lsah); sum < total; | |
1385 | tlvh = (next ? next : TLV_HDR_NEXT (tlvh))) | |
1386 | { | |
1387 | if (subfunc != NULL) | |
1388 | { | |
1389 | sum = (* subfunc)(vty, tlvh, sum, total); | |
1390 | next = (struct te_tlv_header *)((char *) tlvh + sum); | |
1391 | subfunc = NULL; | |
1392 | continue; | |
1393 | } | |
1394 | ||
1395 | next = NULL; | |
1396 | switch (ntohs (tlvh->type)) | |
1397 | { | |
1398 | case TE_TLV_ROUTER_ADDR: | |
1399 | sum += show_vty_router_addr (vty, tlvh); | |
1400 | break; | |
1401 | case TE_TLV_LINK: | |
1402 | sum += show_vty_link_header (vty, tlvh); | |
1403 | subfunc = ospf_mpls_te_show_link_subtlv; | |
1404 | next = tlvh + 1; | |
1405 | break; | |
1406 | default: | |
1407 | sum += show_vty_unknown_tlv (vty, tlvh); | |
1408 | break; | |
1409 | } | |
1410 | } | |
1411 | return; | |
1412 | } | |
1413 | ||
1414 | static void | |
1415 | ospf_mpls_te_config_write_router (struct vty *vty) | |
1416 | { | |
1417 | if (OspfMplsTE.status == enabled) | |
1418 | { | |
1419 | vty_out (vty, " mpls-te%s", VTY_NEWLINE); | |
1420 | vty_out (vty, " mpls-te router-address %s%s", | |
1421 | inet_ntoa (OspfMplsTE.router_addr.value), VTY_NEWLINE); | |
1422 | } | |
1423 | return; | |
1424 | } | |
1425 | ||
1426 | static void | |
1427 | ospf_mpls_te_config_write_if (struct vty *vty, struct interface *ifp) | |
1428 | { | |
1429 | struct mpls_te_link *lp; | |
1430 | ||
1431 | if ((OspfMplsTE.status == enabled) | |
1432 | && (! if_is_loopback (ifp) && if_is_up (ifp) && ospf_oi_count (ifp) > 0) | |
1433 | && ((lp = lookup_linkparams_by_ifp (ifp)) != NULL)) | |
1434 | { | |
1435 | float fval; | |
1436 | int i; | |
1437 | ||
1438 | vty_out (vty, " mpls-te link metric %u%s", | |
1439 | (u_int32_t) ntohl (lp->te_metric.value), VTY_NEWLINE); | |
1440 | ||
1441 | ntohf (&lp->max_bw.value, &fval); | |
1442 | if (fval >= MPLS_TE_MINIMUM_BANDWIDTH) | |
1443 | vty_out (vty, " mpls-te link max-bw %g%s", fval, VTY_NEWLINE); | |
1444 | ||
1445 | ntohf (&lp->max_rsv_bw.value, &fval); | |
1446 | if (fval >= MPLS_TE_MINIMUM_BANDWIDTH) | |
1447 | vty_out (vty, " mpls-te link max-rsv-bw %g%s", fval, VTY_NEWLINE); | |
1448 | ||
1449 | for (i = 0; i < 8; i++) | |
1450 | { | |
1451 | ntohf (&lp->unrsv_bw.value[i], &fval); | |
1452 | if (fval >= MPLS_TE_MINIMUM_BANDWIDTH) | |
1453 | vty_out (vty, " mpls-te link unrsv-bw %d %g%s", | |
1454 | i, fval, VTY_NEWLINE); | |
1455 | } | |
1456 | ||
1457 | vty_out (vty, " mpls-te link rsc-clsclr 0x%x%s", | |
1458 | (u_int32_t) ntohl (lp->rsc_clsclr.value), VTY_NEWLINE); | |
1459 | } | |
1460 | return; | |
1461 | } | |
1462 | ||
1463 | /*------------------------------------------------------------------------* | |
1464 | * Followings are vty command functions. | |
1465 | *------------------------------------------------------------------------*/ | |
1466 | ||
1467 | DEFUN (mpls_te, | |
1468 | mpls_te_cmd, | |
1469 | "mpls-te", | |
1470 | "Configure MPLS-TE parameters\n" | |
1471 | "Enable the MPLS-TE functionality\n") | |
1472 | { | |
1eb8ef25 | 1473 | struct listnode *node, *nnode; |
718e3744 | 1474 | struct mpls_te_link *lp; |
1475 | ||
1476 | if (OspfMplsTE.status == enabled) | |
1477 | return CMD_SUCCESS; | |
1478 | ||
1479 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1480 | zlog_debug ("MPLS-TE: OFF -> ON"); |
718e3744 | 1481 | |
1482 | OspfMplsTE.status = enabled; | |
1483 | ||
1484 | /* | |
1485 | * Following code is intended to handle two cases; | |
1486 | * | |
1487 | * 1) MPLS-TE was disabled at startup time, but now become enabled. | |
1488 | * 2) MPLS-TE was once enabled then disabled, and now enabled again. | |
1489 | */ | |
1eb8ef25 | 1490 | for (ALL_LIST_ELEMENTS (OspfMplsTE.iflist, node, nnode, lp)) |
1491 | initialize_linkparams (lp); | |
718e3744 | 1492 | |
1493 | ospf_mpls_te_foreach_area (ospf_mpls_te_lsa_schedule, REORIGINATE_PER_AREA); | |
1494 | ||
1495 | return CMD_SUCCESS; | |
1496 | } | |
1497 | ||
1498 | ALIAS (mpls_te, | |
1499 | mpls_te_on_cmd, | |
1500 | "mpls-te on", | |
1501 | "Configure MPLS-TE parameters\n" | |
1502 | "Enable the MPLS-TE functionality\n") | |
1503 | ||
1504 | DEFUN (no_mpls_te, | |
1505 | no_mpls_te_cmd, | |
1506 | "no mpls-te", | |
1507 | NO_STR | |
1508 | "Configure MPLS-TE parameters\n" | |
1509 | "Disable the MPLS-TE functionality\n") | |
1510 | { | |
1eb8ef25 | 1511 | struct listnode *node, *nnode; |
718e3744 | 1512 | struct mpls_te_link *lp; |
1513 | ||
1514 | if (OspfMplsTE.status == disabled) | |
1515 | return CMD_SUCCESS; | |
1516 | ||
1517 | if (IS_DEBUG_OSPF_EVENT) | |
2a42e285 | 1518 | zlog_debug ("MPLS-TE: ON -> OFF"); |
718e3744 | 1519 | |
1520 | OspfMplsTE.status = disabled; | |
1521 | ||
1eb8ef25 | 1522 | for (ALL_LIST_ELEMENTS (OspfMplsTE.iflist, node, nnode, lp)) |
1523 | if (lp->area != NULL) | |
1524 | if (lp->flags & LPFLG_LSA_ENGAGED) | |
1525 | ospf_mpls_te_lsa_schedule (lp, FLUSH_THIS_LSA); | |
718e3744 | 1526 | |
1527 | return CMD_SUCCESS; | |
1528 | } | |
1529 | ||
1530 | DEFUN (mpls_te_router_addr, | |
1531 | mpls_te_router_addr_cmd, | |
1532 | "mpls-te router-address A.B.C.D", | |
1533 | "MPLS-TE specific commands\n" | |
1534 | "Stable IP address of the advertising router\n" | |
1535 | "MPLS-TE router address in IPv4 address format\n") | |
1536 | { | |
1537 | struct te_tlv_router_addr *ra = &OspfMplsTE.router_addr; | |
1538 | struct in_addr value; | |
1539 | ||
1540 | if (! inet_aton (argv[0], &value)) | |
1541 | { | |
1542 | vty_out (vty, "Please specify Router-Addr by A.B.C.D%s", VTY_NEWLINE); | |
1543 | return CMD_WARNING; | |
1544 | } | |
1545 | ||
1546 | if (ntohs (ra->header.type) == 0 | |
87d6f87a | 1547 | || ntohl (ra->value.s_addr) != ntohl (value.s_addr)) |
718e3744 | 1548 | { |
1eb8ef25 | 1549 | struct listnode *node, *nnode; |
718e3744 | 1550 | struct mpls_te_link *lp; |
1551 | int need_to_reoriginate = 0; | |
1552 | ||
1553 | set_mpls_te_router_addr (value); | |
1554 | ||
1555 | if (OspfMplsTE.status == disabled) | |
1556 | goto out; | |
1557 | ||
1eb8ef25 | 1558 | for (ALL_LIST_ELEMENTS (OspfMplsTE.iflist, node, nnode, lp)) |
718e3744 | 1559 | { |
718e3744 | 1560 | if (lp->area == NULL) |
1561 | continue; | |
1562 | ||
1563 | if ((lp->flags & LPFLG_LSA_ENGAGED) == 0) | |
1564 | { | |
1565 | need_to_reoriginate = 1; | |
1566 | break; | |
1567 | } | |
1568 | } | |
1eb8ef25 | 1569 | |
1570 | for (ALL_LIST_ELEMENTS (OspfMplsTE.iflist, node, nnode, lp)) | |
718e3744 | 1571 | { |
718e3744 | 1572 | if (lp->area == NULL) |
1573 | continue; | |
1574 | ||
1575 | if (need_to_reoriginate) | |
1576 | lp->flags |= LPFLG_LSA_FORCED_REFRESH; | |
1577 | else | |
1578 | ospf_mpls_te_lsa_schedule (lp, REFRESH_THIS_LSA); | |
1579 | } | |
1580 | ||
1581 | if (need_to_reoriginate) | |
1582 | ospf_mpls_te_foreach_area ( | |
1583 | ospf_mpls_te_lsa_schedule, REORIGINATE_PER_AREA); | |
1584 | } | |
1585 | out: | |
1586 | return CMD_SUCCESS; | |
1587 | } | |
1588 | ||
1589 | DEFUN (mpls_te_link_metric, | |
1590 | mpls_te_link_metric_cmd, | |
1591 | "mpls-te link metric <0-4294967295>", | |
1592 | "MPLS-TE specific commands\n" | |
1593 | "Configure MPLS-TE link parameters\n" | |
1594 | "Link metric for MPLS-TE purpose\n" | |
1595 | "Metric\n") | |
1596 | { | |
1597 | struct interface *ifp = (struct interface *) vty->index; | |
1598 | struct mpls_te_link *lp; | |
1599 | u_int32_t value; | |
1600 | ||
1601 | if ((lp = lookup_linkparams_by_ifp (ifp)) == NULL) | |
1602 | { | |
1603 | vty_out (vty, "mpls_te_link_metric: Something wrong!%s", VTY_NEWLINE); | |
1604 | return CMD_WARNING; | |
1605 | } | |
1606 | ||
1607 | value = strtoul (argv[0], NULL, 10); | |
1608 | ||
1609 | if (ntohs (lp->te_metric.header.type) == 0 | |
1610 | || ntohl (lp->te_metric.value) != value) | |
1611 | { | |
1612 | set_linkparams_te_metric (lp, value); | |
1613 | ||
1614 | if (OspfMplsTE.status == enabled) | |
1615 | if (lp->area != NULL) | |
1616 | { | |
1617 | if (lp->flags & LPFLG_LSA_ENGAGED) | |
1618 | ospf_mpls_te_lsa_schedule (lp, REFRESH_THIS_LSA); | |
1619 | else | |
1620 | ospf_mpls_te_lsa_schedule (lp, REORIGINATE_PER_AREA); | |
1621 | } | |
1622 | } | |
1623 | return CMD_SUCCESS; | |
1624 | } | |
1625 | ||
1626 | DEFUN (mpls_te_link_maxbw, | |
1627 | mpls_te_link_maxbw_cmd, | |
1628 | "mpls-te link max-bw BANDWIDTH", | |
1629 | "MPLS-TE specific commands\n" | |
1630 | "Configure MPLS-TE link parameters\n" | |
1631 | "Maximum bandwidth that can be used\n" | |
1632 | "Bytes/second (IEEE floating point format)\n") | |
1633 | { | |
1634 | struct interface *ifp = (struct interface *) vty->index; | |
1635 | struct mpls_te_link *lp; | |
1636 | float f1, f2; | |
1637 | ||
1638 | if ((lp = lookup_linkparams_by_ifp (ifp)) == NULL) | |
1639 | { | |
1640 | vty_out (vty, "mpls_te_link_maxbw: Something wrong!%s", VTY_NEWLINE); | |
1641 | return CMD_WARNING; | |
1642 | } | |
1643 | ||
1644 | ntohf (&lp->max_bw.value, &f1); | |
1645 | if (sscanf (argv[0], "%g", &f2) != 1) | |
1646 | { | |
6099b3b5 | 1647 | vty_out (vty, "mpls_te_link_maxbw: fscanf: %s%s", safe_strerror (errno), VTY_NEWLINE); |
718e3744 | 1648 | return CMD_WARNING; |
1649 | } | |
1650 | ||
1651 | if (ntohs (lp->max_bw.header.type) == 0 | |
1652 | || f1 != f2) | |
1653 | { | |
1654 | set_linkparams_max_bw (lp, &f2); | |
1655 | ||
1656 | if (OspfMplsTE.status == enabled) | |
1657 | if (lp->area != NULL) | |
1658 | { | |
1659 | if (lp->flags & LPFLG_LSA_ENGAGED) | |
1660 | ospf_mpls_te_lsa_schedule (lp, REFRESH_THIS_LSA); | |
1661 | else | |
1662 | ospf_mpls_te_lsa_schedule (lp, REORIGINATE_PER_AREA); | |
1663 | } | |
1664 | } | |
1665 | return CMD_SUCCESS; | |
1666 | } | |
1667 | ||
1668 | DEFUN (mpls_te_link_max_rsv_bw, | |
1669 | mpls_te_link_max_rsv_bw_cmd, | |
1670 | "mpls-te link max-rsv-bw BANDWIDTH", | |
1671 | "MPLS-TE specific commands\n" | |
1672 | "Configure MPLS-TE link parameters\n" | |
1673 | "Maximum bandwidth that may be reserved\n" | |
1674 | "Bytes/second (IEEE floating point format)\n") | |
1675 | { | |
1676 | struct interface *ifp = (struct interface *) vty->index; | |
1677 | struct mpls_te_link *lp; | |
1678 | float f1, f2; | |
1679 | ||
1680 | if ((lp = lookup_linkparams_by_ifp (ifp)) == NULL) | |
1681 | { | |
1682 | vty_out (vty, "mpls_te_link_max_rsv_bw: Something wrong!%s", VTY_NEWLINE); | |
1683 | return CMD_WARNING; | |
1684 | } | |
1685 | ||
1686 | ntohf (&lp->max_rsv_bw.value, &f1); | |
1687 | if (sscanf (argv[0], "%g", &f2) != 1) | |
1688 | { | |
6099b3b5 | 1689 | vty_out (vty, "mpls_te_link_max_rsv_bw: fscanf: %s%s", safe_strerror (errno), VTY_NEWLINE); |
718e3744 | 1690 | return CMD_WARNING; |
1691 | } | |
1692 | ||
1693 | if (ntohs (lp->max_rsv_bw.header.type) == 0 | |
1694 | || f1 != f2) | |
1695 | { | |
1696 | set_linkparams_max_rsv_bw (lp, &f2); | |
1697 | ||
1698 | if (OspfMplsTE.status == enabled) | |
1699 | if (lp->area != NULL) | |
1700 | { | |
1701 | if (lp->flags & LPFLG_LSA_ENGAGED) | |
1702 | ospf_mpls_te_lsa_schedule (lp, REFRESH_THIS_LSA); | |
1703 | else | |
1704 | ospf_mpls_te_lsa_schedule (lp, REORIGINATE_PER_AREA); | |
1705 | } | |
1706 | } | |
1707 | return CMD_SUCCESS; | |
1708 | } | |
1709 | ||
1710 | DEFUN (mpls_te_link_unrsv_bw, | |
1711 | mpls_te_link_unrsv_bw_cmd, | |
1712 | "mpls-te link unrsv-bw <0-7> BANDWIDTH", | |
1713 | "MPLS-TE specific commands\n" | |
1714 | "Configure MPLS-TE link parameters\n" | |
1715 | "Unreserved bandwidth at each priority level\n" | |
1716 | "Priority\n" | |
1717 | "Bytes/second (IEEE floating point format)\n") | |
1718 | { | |
1719 | struct interface *ifp = (struct interface *) vty->index; | |
1720 | struct mpls_te_link *lp; | |
1721 | int priority; | |
1722 | float f1, f2; | |
1723 | ||
1724 | if ((lp = lookup_linkparams_by_ifp (ifp)) == NULL) | |
1725 | { | |
1726 | vty_out (vty, "mpls_te_link_unrsv_bw: Something wrong!%s", VTY_NEWLINE); | |
1727 | return CMD_WARNING; | |
1728 | } | |
1729 | ||
1730 | /* We don't have to consider about range check here. */ | |
1731 | if (sscanf (argv[0], "%d", &priority) != 1) | |
1732 | { | |
6099b3b5 | 1733 | vty_out (vty, "mpls_te_link_unrsv_bw: fscanf: %s%s", safe_strerror (errno), VTY_NEWLINE); |
718e3744 | 1734 | return CMD_WARNING; |
1735 | } | |
1736 | ||
1737 | ntohf (&lp->unrsv_bw.value [priority], &f1); | |
1738 | if (sscanf (argv[1], "%g", &f2) != 1) | |
1739 | { | |
6099b3b5 | 1740 | vty_out (vty, "mpls_te_link_unrsv_bw: fscanf: %s%s", safe_strerror (errno), VTY_NEWLINE); |
718e3744 | 1741 | return CMD_WARNING; |
1742 | } | |
1743 | ||
1744 | if (ntohs (lp->unrsv_bw.header.type) == 0 | |
1745 | || f1 != f2) | |
1746 | { | |
1747 | set_linkparams_unrsv_bw (lp, priority, &f2); | |
1748 | ||
1749 | if (OspfMplsTE.status == enabled) | |
1750 | if (lp->area != NULL) | |
1751 | { | |
1752 | if (lp->flags & LPFLG_LSA_ENGAGED) | |
1753 | ospf_mpls_te_lsa_schedule (lp, REFRESH_THIS_LSA); | |
1754 | else | |
1755 | ospf_mpls_te_lsa_schedule (lp, REORIGINATE_PER_AREA); | |
1756 | } | |
1757 | } | |
1758 | return CMD_SUCCESS; | |
1759 | } | |
1760 | ||
1761 | DEFUN (mpls_te_link_rsc_clsclr, | |
1762 | mpls_te_link_rsc_clsclr_cmd, | |
1763 | "mpls-te link rsc-clsclr BITPATTERN", | |
1764 | "MPLS-TE specific commands\n" | |
1765 | "Configure MPLS-TE link parameters\n" | |
1766 | "Administrative group membership\n" | |
1767 | "32-bit Hexadecimal value (ex. 0xa1)\n") | |
1768 | { | |
1769 | struct interface *ifp = (struct interface *) vty->index; | |
1770 | struct mpls_te_link *lp; | |
1771 | unsigned long value; | |
1772 | ||
1773 | if ((lp = lookup_linkparams_by_ifp (ifp)) == NULL) | |
1774 | { | |
1775 | vty_out (vty, "mpls_te_link_rsc_clsclr: Something wrong!%s", VTY_NEWLINE); | |
1776 | return CMD_WARNING; | |
1777 | } | |
1778 | ||
1779 | if (sscanf (argv[0], "0x%lx", &value) != 1) | |
1780 | { | |
6099b3b5 | 1781 | vty_out (vty, "mpls_te_link_rsc_clsclr: fscanf: %s%s", safe_strerror (errno), VTY_NEWLINE); |
718e3744 | 1782 | return CMD_WARNING; |
1783 | } | |
1784 | ||
1785 | if (ntohs (lp->rsc_clsclr.header.type) == 0 | |
1786 | || ntohl (lp->rsc_clsclr.value) != value) | |
1787 | { | |
1788 | set_linkparams_rsc_clsclr (lp, value); | |
1789 | ||
1790 | if (OspfMplsTE.status == enabled) | |
1791 | if (lp->area != NULL) | |
1792 | { | |
1793 | if (lp->flags & LPFLG_LSA_ENGAGED) | |
1794 | ospf_mpls_te_lsa_schedule (lp, REFRESH_THIS_LSA); | |
1795 | else | |
1796 | ospf_mpls_te_lsa_schedule (lp, REORIGINATE_PER_AREA); | |
1797 | } | |
1798 | } | |
1799 | return CMD_SUCCESS; | |
1800 | } | |
1801 | ||
1802 | DEFUN (show_mpls_te_router, | |
1803 | show_mpls_te_router_cmd, | |
1804 | "show mpls-te router", | |
1805 | SHOW_STR | |
1806 | "MPLS-TE information\n" | |
1807 | "Router information\n") | |
1808 | { | |
1809 | if (OspfMplsTE.status == enabled) | |
1810 | { | |
1811 | vty_out (vty, "--- MPLS-TE router parameters ---%s", | |
1812 | VTY_NEWLINE); | |
1813 | ||
1814 | if (ntohs (OspfMplsTE.router_addr.header.type) != 0) | |
1815 | show_vty_router_addr (vty, &OspfMplsTE.router_addr.header); | |
1816 | else if (vty != NULL) | |
1817 | vty_out (vty, " N/A%s", VTY_NEWLINE); | |
1818 | } | |
1819 | return CMD_SUCCESS; | |
1820 | } | |
1821 | ||
1822 | static void | |
1823 | show_mpls_te_link_sub (struct vty *vty, struct interface *ifp) | |
1824 | { | |
1825 | struct mpls_te_link *lp; | |
1826 | struct te_tlv_header *tlvh; | |
1827 | ||
1828 | if ((OspfMplsTE.status == enabled) | |
1829 | && (! if_is_loopback (ifp) && if_is_up (ifp) && ospf_oi_count (ifp) > 0) | |
1830 | && ((lp = lookup_linkparams_by_ifp (ifp)) != NULL)) | |
1831 | { | |
1832 | vty_out (vty, "-- MPLS-TE link parameters for %s --%s", | |
1833 | ifp->name, VTY_NEWLINE); | |
1834 | ||
1835 | show_vty_link_subtlv_link_type (vty, &lp->link_type.header); | |
1836 | show_vty_link_subtlv_link_id (vty, &lp->link_id.header); | |
1837 | ||
1838 | if ((tlvh = (struct te_tlv_header *) lp->lclif_ipaddr) != NULL) | |
1839 | show_vty_link_subtlv_lclif_ipaddr (vty, tlvh); | |
1840 | if ((tlvh = (struct te_tlv_header *) lp->rmtif_ipaddr) != NULL) | |
1841 | show_vty_link_subtlv_rmtif_ipaddr (vty, tlvh); | |
1842 | ||
1843 | show_vty_link_subtlv_te_metric (vty, &lp->te_metric.header); | |
1844 | ||
1845 | show_vty_link_subtlv_max_bw (vty, &lp->max_bw.header); | |
1846 | show_vty_link_subtlv_max_rsv_bw (vty, &lp->max_rsv_bw.header); | |
1847 | show_vty_link_subtlv_unrsv_bw (vty, &lp->unrsv_bw.header); | |
1848 | show_vty_link_subtlv_rsc_clsclr (vty, &lp->rsc_clsclr.header); | |
1849 | } | |
1850 | else | |
1851 | { | |
1852 | vty_out (vty, " %s: MPLS-TE is disabled on this interface%s", | |
1853 | ifp->name, VTY_NEWLINE); | |
1854 | } | |
1855 | ||
1856 | return; | |
1857 | } | |
1858 | ||
1859 | DEFUN (show_mpls_te_link, | |
1860 | show_mpls_te_link_cmd, | |
1861 | "show mpls-te interface [INTERFACE]", | |
1862 | SHOW_STR | |
1863 | "MPLS-TE information\n" | |
1864 | "Interface information\n" | |
1865 | "Interface name\n") | |
1866 | { | |
1867 | struct interface *ifp; | |
1eb8ef25 | 1868 | struct listnode *node, *nnode; |
718e3744 | 1869 | |
1870 | /* Show All Interfaces. */ | |
1871 | if (argc == 0) | |
eb1ce605 | 1872 | { |
1eb8ef25 | 1873 | for (ALL_LIST_ELEMENTS (iflist, node, nnode, ifp)) |
1874 | show_mpls_te_link_sub (vty, ifp); | |
eb1ce605 | 1875 | } |
718e3744 | 1876 | /* Interface name is specified. */ |
1877 | else | |
1878 | { | |
1879 | if ((ifp = if_lookup_by_name (argv[0])) == NULL) | |
1880 | vty_out (vty, "No such interface name%s", VTY_NEWLINE); | |
1881 | else | |
1882 | show_mpls_te_link_sub (vty, ifp); | |
1883 | } | |
1884 | ||
1885 | return CMD_SUCCESS; | |
1886 | } | |
1887 | ||
1888 | static void | |
1889 | ospf_mpls_te_register_vty (void) | |
1890 | { | |
1891 | install_element (VIEW_NODE, &show_mpls_te_router_cmd); | |
1892 | install_element (VIEW_NODE, &show_mpls_te_link_cmd); | |
1893 | install_element (ENABLE_NODE, &show_mpls_te_router_cmd); | |
1894 | install_element (ENABLE_NODE, &show_mpls_te_link_cmd); | |
1895 | ||
1896 | install_element (OSPF_NODE, &mpls_te_cmd); | |
1897 | install_element (OSPF_NODE, &no_mpls_te_cmd); | |
1898 | install_element (OSPF_NODE, &mpls_te_on_cmd); | |
1899 | install_element (OSPF_NODE, &mpls_te_router_addr_cmd); | |
1900 | ||
1901 | install_element (INTERFACE_NODE, &mpls_te_link_metric_cmd); | |
1902 | install_element (INTERFACE_NODE, &mpls_te_link_maxbw_cmd); | |
1903 | install_element (INTERFACE_NODE, &mpls_te_link_max_rsv_bw_cmd); | |
1904 | install_element (INTERFACE_NODE, &mpls_te_link_unrsv_bw_cmd); | |
1905 | install_element (INTERFACE_NODE, &mpls_te_link_rsc_clsclr_cmd); | |
1906 | ||
1907 | return; | |
1908 | } | |
1909 | ||
1910 | #endif /* HAVE_OSPF_TE */ |