ospf6d/ospf6_top.c

   1 /*
   2  * Copyright (C) 2003 Yasuhiro Ohara
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GNU Zebra; see the file COPYING.  If not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <zebra.h>
  23
  24 #include "log.h"
  25 #include "memory.h"
  26 #include "vty.h"
  27 #include "linklist.h"
  28 #include "prefix.h"
  29 #include "table.h"
  30 #include "thread.h"
  31 #include "command.h"
  32
  33 #include "ospf6_proto.h"
  34 #include "ospf6_message.h"
  35 #include "ospf6_lsa.h"
  36 #include "ospf6_lsdb.h"
  37 #include "ospf6_route.h"
  38 #include "ospf6_zebra.h"
  39
  40 #include "ospf6_top.h"
  41 #include "ospf6_area.h"
  42 #include "ospf6_interface.h"
  43 #include "ospf6_neighbor.h"
  44
  45 #include "ospf6_flood.h"
  46 #include "ospf6_asbr.h"
  47 #include "ospf6_abr.h"
  48 #include "ospf6_intra.h"
  49 #include "ospf6_spf.h"
  50 #include "ospf6d.h"
  51
  52 /* global ospf6d variable */
  53 struct ospf6 *ospf6;
  54
  55 static void ospf6_disable (struct ospf6 *o);
  56
  57 static void
  58 ospf6_top_lsdb_hook_add (struct ospf6_lsa *lsa)
  59 {
  60   switch (ntohs (lsa->header->type))
  61     {
  62       case OSPF6_LSTYPE_AS_EXTERNAL:
  63         ospf6_asbr_lsa_add (lsa);
  64         break;
  65
  66       default:
  67         break;
  68     }
  69 }
  70
  71 static void
  72 ospf6_top_lsdb_hook_remove (struct ospf6_lsa *lsa)
  73 {
  74   switch (ntohs (lsa->header->type))
  75     {
  76       case OSPF6_LSTYPE_AS_EXTERNAL:
  77         ospf6_asbr_lsa_remove (lsa);
  78         break;
  79
  80       default:
  81         break;
  82     }
  83 }
  84
  85 static void
  86 ospf6_top_route_hook_add (struct ospf6_route *route)
  87 {
  88   ospf6_abr_originate_summary (route);
  89   ospf6_zebra_route_update_add (route);
  90 }
  91
  92 static void
  93 ospf6_top_route_hook_remove (struct ospf6_route *route)
  94 {
  95   route->flag |= OSPF6_ROUTE_REMOVE;
  96   ospf6_abr_originate_summary (route);
  97   ospf6_zebra_route_update_remove (route);
  98 }
  99
 100 static void
 101 ospf6_top_brouter_hook_add (struct ospf6_route *route)
 102 {
 103   ospf6_abr_examin_brouter (ADV_ROUTER_IN_PREFIX (&route->prefix));
 104   ospf6_asbr_lsentry_add (route);
 105   ospf6_abr_originate_summary (route);
 106 }
 107
 108 static void
 109 ospf6_top_brouter_hook_remove (struct ospf6_route *route)
 110 {
 111   route->flag |= OSPF6_ROUTE_REMOVE;
 112   ospf6_abr_examin_brouter (ADV_ROUTER_IN_PREFIX (&route->prefix));
 113   ospf6_asbr_lsentry_remove (route);
 114   ospf6_abr_originate_summary (route);
 115 }
 116
 117 static struct ospf6 *
 118 ospf6_create (void)
 119 {
 120   struct ospf6 *o;
 121
 122   o = XCALLOC (MTYPE_OSPF6_TOP, sizeof (struct ospf6));
 123
 124   /* initialize */
 125   quagga_gettime (QUAGGA_CLK_MONOTONIC, &o->starttime);
 126   o->area_list = list_new ();
 127   o->area_list->cmp = ospf6_area_cmp;
 128   o->lsdb = ospf6_lsdb_create (o);
 129   o->lsdb_self = ospf6_lsdb_create (o);
 130   o->lsdb->hook_add = ospf6_top_lsdb_hook_add;
 131   o->lsdb->hook_remove = ospf6_top_lsdb_hook_remove;
 132
 133   o->spf_delay = OSPF_SPF_DELAY_DEFAULT;
 134   o->spf_holdtime = OSPF_SPF_HOLDTIME_DEFAULT;
 135   o->spf_max_holdtime = OSPF_SPF_MAX_HOLDTIME_DEFAULT;
 136   o->spf_hold_multiplier = 1;
 137
 138   o->route_table = OSPF6_ROUTE_TABLE_CREATE (GLOBAL, ROUTES);
 139   o->route_table->scope = o;
 140   o->route_table->hook_add = ospf6_top_route_hook_add;
 141   o->route_table->hook_remove = ospf6_top_route_hook_remove;
 142
 143   o->brouter_table = OSPF6_ROUTE_TABLE_CREATE (GLOBAL, BORDER_ROUTERS);
 144   o->brouter_table->scope = o;
 145   o->brouter_table->hook_add = ospf6_top_brouter_hook_add;
 146   o->brouter_table->hook_remove = ospf6_top_brouter_hook_remove;
 147
 148   o->external_table = OSPF6_ROUTE_TABLE_CREATE (GLOBAL, EXTERNAL_ROUTES);
 149   o->external_table->scope = o;
 150
 151   o->external_id_table = route_table_init ();
 152
 153   o->ref_bandwidth = OSPF6_REFERENCE_BANDWIDTH;
 154
 155   return o;
 156 }
 157
 158 void
 159 ospf6_delete (struct ospf6 *o)
 160 {
 161   struct listnode *node, *nnode;
 162   struct ospf6_area *oa;
 163
 164   ospf6_disable (ospf6);
 165
 166   for (ALL_LIST_ELEMENTS (o->area_list, node, nnode, oa))
 167     ospf6_area_delete (oa);
 168
 169
 170   list_delete (o->area_list);
 171
 172   ospf6_lsdb_delete (o->lsdb);
 173   ospf6_lsdb_delete (o->lsdb_self);
 174
 175   ospf6_route_table_delete (o->route_table);
 176   ospf6_route_table_delete (o->brouter_table);
 177
 178   ospf6_route_table_delete (o->external_table);
 179   route_table_finish (o->external_id_table);
 180
 181   XFREE (MTYPE_OSPF6_TOP, o);
 182 }
 183
 184 static void
 185 ospf6_enable (struct ospf6 *o)
 186 {
 187   struct listnode *node, *nnode;
 188   struct ospf6_area *oa;
 189
 190   if (CHECK_FLAG (o->flag, OSPF6_DISABLED))
 191     {
 192       UNSET_FLAG (o->flag, OSPF6_DISABLED);
 193       for (ALL_LIST_ELEMENTS (o->area_list, node, nnode, oa))
 194         ospf6_area_enable (oa);
 195     }
 196 }
 197
 198 static void
 199 ospf6_disable (struct ospf6 *o)
 200 {
 201   struct listnode *node, *nnode;
 202   struct ospf6_area *oa;
 203
 204   if (! CHECK_FLAG (o->flag, OSPF6_DISABLED))
 205     {
 206       SET_FLAG (o->flag, OSPF6_DISABLED);
 207
 208       for (ALL_LIST_ELEMENTS (o->area_list, node, nnode, oa))
 209         ospf6_area_disable (oa);
 210
 211       /* XXX: This also changes persistent settings */
 212       ospf6_asbr_redistribute_reset();
 213
 214       ospf6_lsdb_remove_all (o->lsdb);
 215       ospf6_route_remove_all (o->route_table);
 216       ospf6_route_remove_all (o->brouter_table);
 217
 218       THREAD_OFF(o->maxage_remover);
 219       THREAD_OFF(o->t_spf_calc);
 220       THREAD_OFF(o->t_ase_calc);
 221     }
 222 }
 223
 224 int
 225 ospf6_maxage_remover (struct thread *thread)
 226 {
 227   struct ospf6 *o = (struct ospf6 *) THREAD_ARG (thread);
 228   struct ospf6_area *oa;
 229   struct ospf6_interface *oi;
 230   struct ospf6_neighbor *on;
 231   struct listnode *i, *j, *k;
 232   int reschedule = 0;
 233
 234   o->maxage_remover = (struct thread *) NULL;
 235
 236   for (ALL_LIST_ELEMENTS_RO (o->area_list, i, oa))
 237     {
 238       for (ALL_LIST_ELEMENTS_RO (oa->if_list, j, oi))
 239         {
 240           for (ALL_LIST_ELEMENTS_RO (oi->neighbor_list, k, on))
 241             {
 242               if (on->state != OSPF6_NEIGHBOR_EXCHANGE &&
 243                   on->state != OSPF6_NEIGHBOR_LOADING)
 244                   continue;
 245
 246               ospf6_maxage_remove (o);
 247               return 0;
 248             }
 249         }
 250     }
 251
 252   for (ALL_LIST_ELEMENTS_RO (o->area_list, i, oa))
 253     {
 254       for (ALL_LIST_ELEMENTS_RO (oa->if_list, j, oi))
 255         {
 256           if (ospf6_lsdb_maxage_remover (oi->lsdb))
 257             {
 258               reschedule = 1;
 259             }
 260         }
 261
 262       if (ospf6_lsdb_maxage_remover (oa->lsdb))
 263         {
 264             reschedule = 1;
 265         }
 266     }
 267
 268   if (ospf6_lsdb_maxage_remover (o->lsdb))
 269     {
 270       reschedule = 1;
 271     }
 272
 273   if (reschedule)
 274     {
 275       ospf6_maxage_remove (o);
 276     }
 277
 278   return 0;
 279 }
 280
 281 void
 282 ospf6_maxage_remove (struct ospf6 *o)
 283 {
 284   if (o && ! o->maxage_remover)
 285     o->maxage_remover = thread_add_timer (master, ospf6_maxage_remover, o,
 286                                           OSPF_LSA_MAXAGE_REMOVE_DELAY_DEFAULT);
 287 }
 288
 289 /* start ospf6 */
 290 DEFUN (router_ospf6,
 291        router_ospf6_cmd,
 292        "router ospf6",
 293        ROUTER_STR
 294        OSPF6_STR)
 295 {
 296   if (ospf6 == NULL)
 297     ospf6 = ospf6_create ();
 298
 299   /* set current ospf point. */
 300   vty->node = OSPF6_NODE;
 301   vty->index = ospf6;
 302
 303   return CMD_SUCCESS;
 304 }
 305
 306 /* stop ospf6 */
 307 DEFUN (no_router_ospf6,
 308        no_router_ospf6_cmd,
 309        "no router ospf6",
 310        NO_STR
 311        OSPF6_ROUTER_STR)
 312 {
 313   if (ospf6 == NULL)
 314     vty_out (vty, "OSPFv3 is not configured%s", VNL);
 315   else
 316     {
 317       ospf6_delete (ospf6);
 318       ospf6 = NULL;
 319     }
 320
 321   /* return to config node . */
 322   vty->node = CONFIG_NODE;
 323   vty->index = NULL;
 324
 325   return CMD_SUCCESS;
 326 }
 327
 328 /* change Router_ID commands. */
 329 DEFUN (ospf6_router_id,
 330        ospf6_router_id_cmd,
 331        "router-id A.B.C.D",
 332        "Configure OSPF Router-ID\n"
 333        V4NOTATION_STR)
 334 {
 335   int ret;
 336   u_int32_t router_id;
 337   struct ospf6 *o;
 338
 339   o = (struct ospf6 *) vty->index;
 340
 341   ret = inet_pton (AF_INET, argv[0], &router_id);
 342   if (ret == 0)
 343     {
 344       vty_out (vty, "malformed OSPF Router-ID: %s%s", argv[0], VNL);
 345       return CMD_SUCCESS;
 346     }
 347
 348   o->router_id_static = router_id;
 349   if (o->router_id  == 0)
 350     o->router_id  = router_id;
 351
 352   return CMD_SUCCESS;
 353 }
 354
 355 DEFUN (ospf6_log_adjacency_changes,
 356        ospf6_log_adjacency_changes_cmd,
 357        "log-adjacency-changes",
 358        "Log changes in adjacency state\n")
 359 {
 360   struct ospf6 *ospf6 = vty->index;
 361
 362   SET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES);
 363   return CMD_SUCCESS;
 364 }
 365
 366 DEFUN (ospf6_log_adjacency_changes_detail,
 367        ospf6_log_adjacency_changes_detail_cmd,
 368        "log-adjacency-changes detail",
 369               "Log changes in adjacency state\n"
 370        "Log all state changes\n")
 371 {
 372   struct ospf6 *ospf6 = vty->index;
 373
 374   SET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES);
 375   SET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_DETAIL);
 376   return CMD_SUCCESS;
 377 }
 378
 379 DEFUN (no_ospf6_log_adjacency_changes,
 380        no_ospf6_log_adjacency_changes_cmd,
 381        "no log-adjacency-changes",
 382               NO_STR
 383        "Log changes in adjacency state\n")
 384 {
 385   struct ospf6 *ospf6 = vty->index;
 386
 387   UNSET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_DETAIL);
 388   UNSET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES);
 389   return CMD_SUCCESS;
 390 }
 391
 392 DEFUN (no_ospf6_log_adjacency_changes_detail,
 393        no_ospf6_log_adjacency_changes_detail_cmd,
 394        "no log-adjacency-changes detail",
 395               NO_STR
 396               "Log changes in adjacency state\n"
 397        "Log all state changes\n")
 398 {
 399   struct ospf6 *ospf6 = vty->index;
 400
 401   UNSET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_DETAIL);
 402   return CMD_SUCCESS;
 403 }
 404
 405 DEFUN (ospf6_interface_area,
 406        ospf6_interface_area_cmd,
 407        "interface IFNAME area A.B.C.D",
 408        "Enable routing on an IPv6 interface\n"
 409        IFNAME_STR
 410        "Specify the OSPF6 area ID\n"
 411        "OSPF6 area ID in IPv4 address notation\n"
 412       )
 413 {
 414   struct ospf6 *o;
 415   struct ospf6_area *oa;
 416   struct ospf6_interface *oi;
 417   struct interface *ifp;
 418   u_int32_t area_id;
 419
 420   o = (struct ospf6 *) vty->index;
 421
 422   /* find/create ospf6 interface */
 423   ifp = if_get_by_name (argv[0]);
 424   oi = (struct ospf6_interface *) ifp->info;
 425   if (oi == NULL)
 426     oi = ospf6_interface_create (ifp);
 427   if (oi->area)
 428     {
 429       vty_out (vty, "%s already attached to Area %s%s",
 430                oi->interface->name, oi->area->name, VNL);
 431       return CMD_SUCCESS;
 432     }
 433
 434   /* parse Area-ID */
 435   if (inet_pton (AF_INET, argv[1], &area_id) != 1)
 436     {
 437       vty_out (vty, "Invalid Area-ID: %s%s", argv[1], VNL);
 438       return CMD_SUCCESS;
 439     }
 440
 441   /* find/create ospf6 area */
 442   oa = ospf6_area_lookup (area_id, o);
 443   if (oa == NULL)
 444     oa = ospf6_area_create (area_id, o);
 445
 446   /* attach interface to area */
 447   listnode_add (oa->if_list, oi); /* sort ?? */
 448   oi->area = oa;
 449
 450   SET_FLAG (oa->flag, OSPF6_AREA_ENABLE);
 451
 452   /* ospf6 process is currently disabled, not much more to do */
 453   if (CHECK_FLAG (o->flag, OSPF6_DISABLED))
 454     return CMD_SUCCESS;
 455
 456   /* start up */
 457   ospf6_interface_enable (oi);
 458
 459   /* If the router is ABR, originate summary routes */
 460   if (ospf6_is_router_abr (o))
 461     ospf6_abr_enable_area (oa);
 462
 463   return CMD_SUCCESS;
 464 }
 465
 466 DEFUN (no_ospf6_interface_area,
 467        no_ospf6_interface_area_cmd,
 468        "no interface IFNAME area A.B.C.D",
 469        NO_STR
 470        "Disable routing on an IPv6 interface\n"
 471        IFNAME_STR
 472        "Specify the OSPF6 area ID\n"
 473        "OSPF6 area ID in IPv4 address notation\n"
 474        )
 475 {
 476   struct ospf6 *o;
 477   struct ospf6_interface *oi;
 478   struct ospf6_area *oa;
 479   struct interface *ifp;
 480   u_int32_t area_id;
 481
 482   o = (struct ospf6 *) vty->index;
 483
 484   ifp = if_lookup_by_name (argv[0]);
 485   if (ifp == NULL)
 486     {
 487       vty_out (vty, "No such interface %s%s", argv[0], VNL);
 488       return CMD_SUCCESS;
 489     }
 490
 491   oi = (struct ospf6_interface *) ifp->info;
 492   if (oi == NULL)
 493     {
 494       vty_out (vty, "Interface %s not enabled%s", ifp->name, VNL);
 495       return CMD_SUCCESS;
 496     }
 497
 498   /* parse Area-ID */
 499   if (inet_pton (AF_INET, argv[1], &area_id) != 1)
 500     {
 501       vty_out (vty, "Invalid Area-ID: %s%s", argv[1], VNL);
 502       return CMD_SUCCESS;
 503     }
 504
 505   /* Verify Area */
 506   if (oi->area == NULL)
 507     {
 508       vty_out (vty, "No such Area-ID: %s%s", argv[1], VNL);
 509       return CMD_SUCCESS;
 510     }
 511
 512   if (oi->area->area_id != area_id)
 513     {
 514       vty_out (vty, "Wrong Area-ID: %s is attached to area %s%s",
 515                oi->interface->name, oi->area->name, VNL);
 516       return CMD_SUCCESS;
 517     }
 518
 519   thread_execute (master, interface_down, oi, 0);
 520
 521   oa = oi->area;
 522   listnode_delete (oi->area->if_list, oi);
 523   oi->area = (struct ospf6_area *) NULL;
 524
 525   /* Withdraw inter-area routes from this area, if necessary */
 526   if (oa->if_list->count == 0)
 527     {
 528       UNSET_FLAG (oa->flag, OSPF6_AREA_ENABLE);
 529       ospf6_abr_disable_area (oa);
 530     }
 531
 532   return CMD_SUCCESS;
 533 }
 534
 535 DEFUN (ospf6_stub_router_admin,
 536        ospf6_stub_router_admin_cmd,
 537        "stub-router administrative",
 538        "Make router a stub router\n"
 539        "Advertise inability to be a transit router\n"
 540        "Administratively applied, for an indefinite period\n")
 541 {
 542   struct listnode *node;
 543   struct ospf6_area *oa;
 544
 545   if (!CHECK_FLAG (ospf6->flag, OSPF6_STUB_ROUTER))
 546     {
 547       for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
 548         {
 549            OSPF6_OPT_CLEAR (oa->options, OSPF6_OPT_V6);
 550            OSPF6_OPT_CLEAR (oa->options, OSPF6_OPT_R);
 551            OSPF6_ROUTER_LSA_SCHEDULE (oa);
 552         }
 553       SET_FLAG (ospf6->flag, OSPF6_STUB_ROUTER);
 554     }
 555
 556   return CMD_SUCCESS;
 557 }
 558
 559 DEFUN (no_ospf6_stub_router_admin,
 560        no_ospf6_stub_router_admin_cmd,
 561        "no stub-router administrative",
 562        NO_STR
 563        "Make router a stub router\n"
 564        "Advertise ability to be a transit router\n"
 565        "Administratively applied, for an indefinite period\n")
 566 {
 567   struct listnode *node;
 568   struct ospf6_area *oa;
 569
 570   if (CHECK_FLAG (ospf6->flag, OSPF6_STUB_ROUTER))
 571     {
 572       for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
 573         {
 574            OSPF6_OPT_SET (oa->options, OSPF6_OPT_V6);
 575            OSPF6_OPT_SET (oa->options, OSPF6_OPT_R);
 576            OSPF6_ROUTER_LSA_SCHEDULE (oa);
 577         }
 578       UNSET_FLAG (ospf6->flag, OSPF6_STUB_ROUTER);
 579     }
 580
 581   return CMD_SUCCESS;
 582 }
 583
 584 DEFUN (ospf6_stub_router_startup,
 585        ospf6_stub_router_startup_cmd,
 586        "stub-router on-startup <5-86400>",
 587        "Make router a stub router\n"
 588        "Advertise inability to be a transit router\n"
 589        "Automatically advertise as stub-router on startup of OSPF6\n"
 590        "Time (seconds) to advertise self as stub-router\n")
 591 {
 592   return CMD_SUCCESS;
 593 }
 594
 595 DEFUN (no_ospf6_stub_router_startup,
 596        no_ospf6_stub_router_startup_cmd,
 597        "no stub-router on-startup",
 598        NO_STR
 599        "Make router a stub router\n"
 600        "Advertise inability to be a transit router\n"
 601        "Automatically advertise as stub-router on startup of OSPF6\n"
 602        "Time (seconds) to advertise self as stub-router\n")
 603 {
 604   return CMD_SUCCESS;
 605 }
 606
 607 DEFUN (ospf6_stub_router_shutdown,
 608        ospf6_stub_router_shutdown_cmd,
 609        "stub-router on-shutdown <5-86400>",
 610        "Make router a stub router\n"
 611        "Advertise inability to be a transit router\n"
 612        "Automatically advertise as stub-router before shutdown\n"
 613        "Time (seconds) to advertise self as stub-router\n")
 614 {
 615   return CMD_SUCCESS;
 616 }
 617
 618 DEFUN (no_ospf6_stub_router_shutdown,
 619        no_ospf6_stub_router_shutdown_cmd,
 620        "no stub-router on-shutdown",
 621        NO_STR
 622        "Make router a stub router\n"
 623        "Advertise inability to be a transit router\n"
 624        "Automatically advertise as stub-router before shutdown\n"
 625        "Time (seconds) to advertise self as stub-router\n")
 626 {
 627   return CMD_SUCCESS;
 628 }
 629
 630 static void
 631 ospf6_show (struct vty *vty, struct ospf6 *o)
 632 {
 633   struct listnode *n;
 634   struct ospf6_area *oa;
 635   char router_id[16], duration[32];
 636   struct timeval now, running, result;
 637   char buf[32], rbuf[32];
 638
 639   /* process id, router id */
 640   inet_ntop (AF_INET, &o->router_id, router_id, sizeof (router_id));
 641   vty_out (vty, " OSPFv3 Routing Process (0) with Router-ID %s%s",
 642            router_id, VNL);
 643
 644   /* running time */
 645   quagga_gettime (QUAGGA_CLK_MONOTONIC, &now);
 646   timersub (&now, &o->starttime, &running);
 647   timerstring (&running, duration, sizeof (duration));
 648   vty_out (vty, " Running %s%s", duration, VNL);
 649
 650   /* Redistribute configuration */
 651   /* XXX */
 652
 653   /* Show SPF parameters */
 654   vty_out(vty, " Initial SPF scheduling delay %d millisec(s)%s"
 655           " Minimum hold time between consecutive SPFs %d millsecond(s)%s"
 656           " Maximum hold time between consecutive SPFs %d millsecond(s)%s"
 657           " Hold time multiplier is currently %d%s",
 658           o->spf_delay, VNL,
 659           o->spf_holdtime, VNL,
 660           o->spf_max_holdtime, VNL,
 661           o->spf_hold_multiplier, VNL);
 662
 663   vty_out(vty, " SPF algorithm ");
 664   if (o->ts_spf.tv_sec || o->ts_spf.tv_usec)
 665     {
 666       timersub(&now, &o->ts_spf, &result);
 667       timerstring(&result, buf, sizeof(buf));
 668       ospf6_spf_reason_string(o->last_spf_reason, rbuf, sizeof(rbuf));
 669       vty_out(vty, "last executed %s ago, reason %s%s", buf, rbuf, VNL);
 670       vty_out (vty, " Last SPF duration %ld sec %ld usec%s",
 671                o->ts_spf_duration.tv_sec, o->ts_spf_duration.tv_usec, VNL);
 672     }
 673   else
 674     vty_out(vty, "has not been run$%s", VNL);
 675   threadtimer_string(now, o->t_spf_calc, buf, sizeof(buf));
 676   vty_out (vty, " SPF timer %s%s%s",
 677            (o->t_spf_calc ? "due in " : "is "), buf, VNL);
 678
 679   if (CHECK_FLAG (o->flag, OSPF6_STUB_ROUTER))
 680     vty_out (vty, " Router Is Stub Router%s", VNL);
 681
 682   /* LSAs */
 683   vty_out (vty, " Number of AS scoped LSAs is %u%s",
 684            o->lsdb->count, VNL);
 685
 686   /* Areas */
 687   vty_out (vty, " Number of areas in this router is %u%s",
 688            listcount (o->area_list), VNL);
 689
 690   if (CHECK_FLAG(o->config_flags, OSPF6_LOG_ADJACENCY_CHANGES))
 691     {
 692       if (CHECK_FLAG(o->config_flags, OSPF6_LOG_ADJACENCY_DETAIL))
 693         vty_out(vty, " All adjacency changes are logged%s",VTY_NEWLINE);
 694       else
 695         vty_out(vty, " Adjacency changes are logged%s",VTY_NEWLINE);
 696     }
 697
 698   vty_out (vty, "%s",VTY_NEWLINE);
 699
 700   for (ALL_LIST_ELEMENTS_RO (o->area_list, n, oa))
 701     ospf6_area_show (vty, oa);
 702 }
 703
 704 /* show top level structures */
 705 DEFUN (show_ipv6_ospf6,
 706        show_ipv6_ospf6_cmd,
 707        "show ipv6 ospf6",
 708        SHOW_STR
 709        IP6_STR
 710        OSPF6_STR)
 711 {
 712   OSPF6_CMD_CHECK_RUNNING ();
 713
 714   ospf6_show (vty, ospf6);
 715   return CMD_SUCCESS;
 716 }
 717
 718 DEFUN (show_ipv6_ospf6_route,
 719        show_ipv6_ospf6_route_cmd,
 720        "show ipv6 ospf6 route",
 721        SHOW_STR
 722        IP6_STR
 723        OSPF6_STR
 724        ROUTE_STR
 725        )
 726 {
 727   OSPF6_CMD_CHECK_RUNNING ();
 728
 729   ospf6_route_table_show (vty, argc, argv, ospf6->route_table);
 730   return CMD_SUCCESS;
 731 }
 732
 733 ALIAS (show_ipv6_ospf6_route,
 734        show_ipv6_ospf6_route_detail_cmd,
 735        "show ipv6 ospf6 route (X:X::X:X|X:X::X:X/M|detail|summary)",
 736        SHOW_STR
 737        IP6_STR
 738        OSPF6_STR
 739        ROUTE_STR
 740        "Specify IPv6 address\n"
 741        "Specify IPv6 prefix\n"
 742        "Detailed information\n"
 743        "Summary of route table\n"
 744        )
 745
 746 DEFUN (show_ipv6_ospf6_route_match,
 747        show_ipv6_ospf6_route_match_cmd,
 748        "show ipv6 ospf6 route X:X::X:X/M match",
 749        SHOW_STR
 750        IP6_STR
 751        OSPF6_STR
 752        ROUTE_STR
 753        "Specify IPv6 prefix\n"
 754        "Display routes which match the specified route\n"
 755        )
 756 {
 757   const char *sargv[CMD_ARGC_MAX];
 758   int i, sargc;
 759
 760   OSPF6_CMD_CHECK_RUNNING ();
 761
 762   /* copy argv to sargv and then append "match" */
 763   for (i = 0; i < argc; i++)
 764     sargv[i] = argv[i];
 765   sargc = argc;
 766   sargv[sargc++] = "match";
 767   sargv[sargc] = NULL;
 768
 769   ospf6_route_table_show (vty, sargc, sargv, ospf6->route_table);
 770   return CMD_SUCCESS;
 771 }
 772
 773 DEFUN (show_ipv6_ospf6_route_match_detail,
 774        show_ipv6_ospf6_route_match_detail_cmd,
 775        "show ipv6 ospf6 route X:X::X:X/M match detail",
 776        SHOW_STR
 777        IP6_STR
 778        OSPF6_STR
 779        ROUTE_STR
 780        "Specify IPv6 prefix\n"
 781        "Display routes which match the specified route\n"
 782        "Detailed information\n"
 783        )
 784 {
 785   const char *sargv[CMD_ARGC_MAX];
 786   int i, sargc;
 787
 788   /* copy argv to sargv and then append "match" and "detail" */
 789   for (i = 0; i < argc; i++)
 790     sargv[i] = argv[i];
 791   sargc = argc;
 792   sargv[sargc++] = "match";
 793   sargv[sargc++] = "detail";
 794   sargv[sargc] = NULL;
 795
 796   OSPF6_CMD_CHECK_RUNNING ();
 797
 798   ospf6_route_table_show (vty, sargc, sargv, ospf6->route_table);
 799   return CMD_SUCCESS;
 800 }
 801
 802 ALIAS (show_ipv6_ospf6_route_match,
 803        show_ipv6_ospf6_route_longer_cmd,
 804        "show ipv6 ospf6 route X:X::X:X/M longer",
 805        SHOW_STR
 806        IP6_STR
 807        OSPF6_STR
 808        ROUTE_STR
 809        "Specify IPv6 prefix\n"
 810        "Display routes longer than the specified route\n"
 811        )
 812
 813 DEFUN (show_ipv6_ospf6_route_match_detail,
 814        show_ipv6_ospf6_route_longer_detail_cmd,
 815        "show ipv6 ospf6 route X:X::X:X/M longer detail",
 816        SHOW_STR
 817        IP6_STR
 818        OSPF6_STR
 819        ROUTE_STR
 820        "Specify IPv6 prefix\n"
 821        "Display routes longer than the specified route\n"
 822        "Detailed information\n"
 823        );
 824
 825 ALIAS (show_ipv6_ospf6_route,
 826        show_ipv6_ospf6_route_type_cmd,
 827        "show ipv6 ospf6 route (intra-area|inter-area|external-1|external-2)",
 828        SHOW_STR
 829        IP6_STR
 830        OSPF6_STR
 831        ROUTE_STR
 832        "Display Intra-Area routes\n"
 833        "Display Inter-Area routes\n"
 834        "Display Type-1 External routes\n"
 835        "Display Type-2 External routes\n"
 836        )
 837
 838 DEFUN (show_ipv6_ospf6_route_type_detail,
 839        show_ipv6_ospf6_route_type_detail_cmd,
 840        "show ipv6 ospf6 route (intra-area|inter-area|external-1|external-2) detail",
 841        SHOW_STR
 842        IP6_STR
 843        OSPF6_STR
 844        ROUTE_STR
 845        "Display Intra-Area routes\n"
 846        "Display Inter-Area routes\n"
 847        "Display Type-1 External routes\n"
 848        "Display Type-2 External routes\n"
 849        "Detailed information\n"
 850        )
 851 {
 852   const char *sargv[CMD_ARGC_MAX];
 853   int i, sargc;
 854
 855   /* copy argv to sargv and then append "detail" */
 856   for (i = 0; i < argc; i++)
 857     sargv[i] = argv[i];
 858   sargc = argc;
 859   sargv[sargc++] = "detail";
 860   sargv[sargc] = NULL;
 861
 862   OSPF6_CMD_CHECK_RUNNING ();
 863
 864   ospf6_route_table_show (vty, sargc, sargv, ospf6->route_table);
 865   return CMD_SUCCESS;
 866 }
 867
 868 static void
 869 ospf6_stub_router_config_write (struct vty *vty)
 870 {
 871   if (CHECK_FLAG (ospf6->flag, OSPF6_STUB_ROUTER))
 872     {
 873       vty_out (vty, " stub-router administrative%s", VNL);
 874     }
 875     return;
 876 }
 877
 878 /* OSPF configuration write function. */
 879 static int
 880 config_write_ospf6 (struct vty *vty)
 881 {
 882   char router_id[16];
 883   struct listnode *j, *k;
 884   struct ospf6_area *oa;
 885   struct ospf6_interface *oi;
 886
 887   /* OSPFv6 configuration. */
 888   if (ospf6 == NULL)
 889     return CMD_SUCCESS;
 890
 891   inet_ntop (AF_INET, &ospf6->router_id_static, router_id, sizeof (router_id));
 892   vty_out (vty, "router ospf6%s", VNL);
 893   if (ospf6->router_id_static != 0)
 894     vty_out (vty, " router-id %s%s", router_id, VNL);
 895
 896   /* log-adjacency-changes flag print. */
 897   if (CHECK_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES))
 898     {
 899       vty_out(vty, " log-adjacency-changes");
 900       if (CHECK_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_DETAIL))
 901         vty_out(vty, " detail");
 902       vty_out(vty, "%s", VTY_NEWLINE);
 903     }
 904
 905   if (ospf6->ref_bandwidth != OSPF6_REFERENCE_BANDWIDTH)
 906     vty_out (vty, " auto-cost reference-bandwidth %d%s", ospf6->ref_bandwidth / 1000,
 907              VNL);
 908
 909   ospf6_stub_router_config_write (vty);
 910   ospf6_redistribute_config_write (vty);
 911   ospf6_area_config_write (vty);
 912   ospf6_spf_config_write (vty);
 913
 914   for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, j, oa))
 915     {
 916       for (ALL_LIST_ELEMENTS_RO (oa->if_list, k, oi))
 917         vty_out (vty, " interface %s area %s%s",
 918                  oi->interface->name, oa->name, VNL);
 919     }
 920   vty_out (vty, "!%s", VNL);
 921   return 0;
 922 }
 923
 924 /* OSPF6 node structure. */
 925 static struct cmd_node ospf6_node =
 926 {
 927   OSPF6_NODE,
 928   "%s(config-ospf6)# ",
 929   1 /* VTYSH */
 930 };
 931
 932 /* Install ospf related commands. */
 933 void
 934 ospf6_top_init (void)
 935 {
 936   /* Install ospf6 top node. */
 937   install_node (&ospf6_node, config_write_ospf6);
 938
 939   install_element (VIEW_NODE, &show_ipv6_ospf6_cmd);
 940   install_element (ENABLE_NODE, &show_ipv6_ospf6_cmd);
 941   install_element (CONFIG_NODE, &router_ospf6_cmd);
 942   install_element (CONFIG_NODE, &no_router_ospf6_cmd);
 943
 944   install_element (VIEW_NODE, &show_ipv6_ospf6_route_cmd);
 945   install_element (VIEW_NODE, &show_ipv6_ospf6_route_detail_cmd);
 946   install_element (VIEW_NODE, &show_ipv6_ospf6_route_match_cmd);
 947   install_element (VIEW_NODE, &show_ipv6_ospf6_route_match_detail_cmd);
 948   install_element (VIEW_NODE, &show_ipv6_ospf6_route_longer_cmd);
 949   install_element (VIEW_NODE, &show_ipv6_ospf6_route_longer_detail_cmd);
 950   install_element (VIEW_NODE, &show_ipv6_ospf6_route_type_cmd);
 951   install_element (VIEW_NODE, &show_ipv6_ospf6_route_type_detail_cmd);
 952   install_element (ENABLE_NODE, &show_ipv6_ospf6_route_cmd);
 953   install_element (ENABLE_NODE, &show_ipv6_ospf6_route_detail_cmd);
 954   install_element (ENABLE_NODE, &show_ipv6_ospf6_route_match_cmd);
 955   install_element (ENABLE_NODE, &show_ipv6_ospf6_route_match_detail_cmd);
 956   install_element (ENABLE_NODE, &show_ipv6_ospf6_route_longer_cmd);
 957   install_element (ENABLE_NODE, &show_ipv6_ospf6_route_longer_detail_cmd);
 958   install_element (ENABLE_NODE, &show_ipv6_ospf6_route_type_cmd);
 959   install_element (ENABLE_NODE, &show_ipv6_ospf6_route_type_detail_cmd);
 960
 961   install_default (OSPF6_NODE);
 962   install_element (OSPF6_NODE, &ospf6_router_id_cmd);
 963   install_element (OSPF6_NODE, &ospf6_log_adjacency_changes_cmd);
 964   install_element (OSPF6_NODE, &ospf6_log_adjacency_changes_detail_cmd);
 965   install_element (OSPF6_NODE, &no_ospf6_log_adjacency_changes_cmd);
 966   install_element (OSPF6_NODE, &no_ospf6_log_adjacency_changes_detail_cmd);
 967   install_element (OSPF6_NODE, &ospf6_interface_area_cmd);
 968   install_element (OSPF6_NODE, &no_ospf6_interface_area_cmd);
 969   install_element (OSPF6_NODE, &ospf6_stub_router_admin_cmd);
 970   install_element (OSPF6_NODE, &no_ospf6_stub_router_admin_cmd);
 971   /* For a later time
 972   install_element (OSPF6_NODE, &ospf6_stub_router_startup_cmd);
 973   install_element (OSPF6_NODE, &no_ospf6_stub_router_startup_cmd);
 974   install_element (OSPF6_NODE, &ospf6_stub_router_shutdown_cmd);
 975   install_element (OSPF6_NODE, &no_ospf6_stub_router_shutdown_cmd);
 976   */
 977 }
 978
 979