1: /*
2: * IS-IS Rout(e)ing protocol - isis_circuit.h
3: *
4: * Copyright (C) 2001,2002 Sampo Saaristo
5: * Tampere University of Technology
6: * Institute of Communications Engineering
7: *
8: * This program is free software; you can redistribute it and/or modify it
9: * under the terms of the GNU General Public Licenseas published by the Free
10: * Software Foundation; either version 2 of the License, or (at your option)
11: * any later version.
12: *
13: * This program is distributed in the hope that it will be useful,but WITHOUT
14: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16: * more details.
17:
18: * You should have received a copy of the GNU General Public License along
19: * with this program; if not, write to the Free Software Foundation, Inc.,
20: * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21: */
22: #include <zebra.h>
23: #ifdef GNU_LINUX
24: #include <net/ethernet.h>
25: #else
26: #include <netinet/if_ether.h>
27: #endif
28:
29: #ifndef ETHER_ADDR_LEN
30: #define ETHER_ADDR_LEN ETHERADDRL
31: #endif
32:
33: #include "log.h"
34: #include "memory.h"
35: #include "if.h"
36: #include "linklist.h"
37: #include "command.h"
38: #include "thread.h"
39: #include "hash.h"
40: #include "prefix.h"
41: #include "stream.h"
42:
43: #include "isisd/dict.h"
44: #include "isisd/include-netbsd/iso.h"
45: #include "isisd/isis_constants.h"
46: #include "isisd/isis_common.h"
47: #include "isisd/isis_circuit.h"
48: #include "isisd/isis_tlv.h"
49: #include "isisd/isis_lsp.h"
50: #include "isisd/isis_pdu.h"
51: #include "isisd/isis_network.h"
52: #include "isisd/isis_misc.h"
53: #include "isisd/isis_constants.h"
54: #include "isisd/isis_adjacency.h"
55: #include "isisd/isis_dr.h"
56: #include "isisd/isis_flags.h"
57: #include "isisd/isisd.h"
58: #include "isisd/isis_csm.h"
59: #include "isisd/isis_events.h"
60:
61: extern struct thread_master *master;
62: extern struct isis *isis;
63:
64: /*
65: * Prototypes.
66: */
67: void isis_circuit_down(struct isis_circuit *);
68: int isis_interface_config_write(struct vty *);
69: int isis_if_new_hook(struct interface *);
70: int isis_if_delete_hook(struct interface *);
71:
72: struct isis_circuit *
73: isis_circuit_new ()
74: {
75: struct isis_circuit *circuit;
76: int i;
77:
78: circuit = XCALLOC (MTYPE_ISIS_CIRCUIT, sizeof (struct isis_circuit));
79: if (circuit)
80: {
81: /* set default metrics for circuit */
82: for (i = 0; i < 2; i++)
83: {
84: circuit->metrics[i].metric_default = DEFAULT_CIRCUIT_METRICS;
85: circuit->metrics[i].metric_expense = METRICS_UNSUPPORTED;
86: circuit->metrics[i].metric_error = METRICS_UNSUPPORTED;
87: circuit->metrics[i].metric_delay = METRICS_UNSUPPORTED;
88: circuit->te_metric[i] = DEFAULT_CIRCUIT_METRICS;
89: }
90: }
91: else
92: {
93: zlog_err ("Can't malloc isis circuit");
94: return NULL;
95: }
96:
97: return circuit;
98: }
99:
100: void
101: isis_circuit_configure (struct isis_circuit *circuit, struct isis_area *area)
102: {
103: int i;
104: circuit->area = area;
105: /*
106: * The level for the circuit is same as for the area, unless configured
107: * otherwise.
108: */
109: circuit->circuit_is_type = area->is_type;
110: /*
111: * Default values
112: */
113: for (i = 0; i < 2; i++)
114: {
115: circuit->hello_interval[i] = HELLO_INTERVAL;
116: circuit->hello_multiplier[i] = HELLO_MULTIPLIER;
117: circuit->csnp_interval[i] = CSNP_INTERVAL;
118: circuit->psnp_interval[i] = PSNP_INTERVAL;
119: circuit->u.bc.priority[i] = DEFAULT_PRIORITY;
120: }
121: if (circuit->circ_type == CIRCUIT_T_BROADCAST)
122: {
123: circuit->u.bc.adjdb[0] = list_new ();
124: circuit->u.bc.adjdb[1] = list_new ();
125: circuit->u.bc.pad_hellos = 1;
126: }
127: circuit->lsp_interval = LSP_INTERVAL;
128:
129: /*
130: * Add the circuit into area
131: */
132: listnode_add (area->circuit_list, circuit);
133:
134: circuit->idx = flags_get_index (&area->flags);
135: circuit->lsp_queue = list_new ();
136:
137: return;
138: }
139:
140: void
141: isis_circuit_deconfigure (struct isis_circuit *circuit,
142: struct isis_area *area)
143: {
144:
145: /* destroy adjacencies */
146: if (circuit->u.bc.adjdb[0])
147: isis_adjdb_iterate (circuit->u.bc.adjdb[0], (void(*) (struct isis_adjacency *, void *)) isis_delete_adj, circuit->u.bc.adjdb[0]);
148: if (circuit->u.bc.adjdb[1])
149: isis_adjdb_iterate (circuit->u.bc.adjdb[1], (void(*) (struct isis_adjacency *, void *)) isis_delete_adj, circuit->u.bc.adjdb[1]);
150: /* Remove circuit from area */
151: listnode_delete (area->circuit_list, circuit);
152: /* Free the index of SRM and SSN flags */
153: flags_free_index (&area->flags, circuit->idx);
154:
155: return;
156: }
157:
158: struct isis_circuit *
159: circuit_lookup_by_ifp (struct interface *ifp, struct list *list)
160: {
161: struct isis_circuit *circuit = NULL;
162: struct listnode *node;
163:
164: if (!list)
165: return NULL;
166:
167: for (ALL_LIST_ELEMENTS_RO (list, node, circuit))
168: if (circuit->interface == ifp)
169: return circuit;
170:
171: return NULL;
172: }
173:
174: struct isis_circuit *
175: circuit_scan_by_ifp (struct interface *ifp)
176: {
177: struct isis_area *area;
178: struct listnode *node;
179: struct isis_circuit *circuit;
180:
181: if (!isis->area_list)
182: return NULL;
183:
184: for (ALL_LIST_ELEMENTS_RO (isis->area_list, node, area))
185: {
186: circuit = circuit_lookup_by_ifp (ifp, area->circuit_list);
187: if (circuit)
188: return circuit;
189: }
190:
191: return circuit_lookup_by_ifp (ifp, isis->init_circ_list);
192: }
193:
194: void
195: isis_circuit_del (struct isis_circuit *circuit)
196: {
197:
198: if (!circuit)
199: return;
200:
201: if (circuit->circ_type == CIRCUIT_T_BROADCAST)
202: {
203: /* destroy adjacency databases */
204: if (circuit->u.bc.adjdb[0])
205: list_delete (circuit->u.bc.adjdb[0]);
206: if (circuit->u.bc.adjdb[1])
207: list_delete (circuit->u.bc.adjdb[1]);
208: /* destroy neighbour lists */
209: if (circuit->u.bc.lan_neighs[0])
210: list_delete (circuit->u.bc.lan_neighs[0]);
211: if (circuit->u.bc.lan_neighs[1])
212: list_delete (circuit->u.bc.lan_neighs[1]);
213: /* destroy addresses */
214: }
215: if (circuit->ip_addrs)
216: list_delete (circuit->ip_addrs);
217: #ifdef HAVE_IPV6
218: if (circuit->ipv6_link)
219: list_delete (circuit->ipv6_link);
220: if (circuit->ipv6_non_link)
221: list_delete (circuit->ipv6_non_link);
222: #endif /* HAVE_IPV6 */
223:
224: /* and lastly the circuit itself */
225: XFREE (MTYPE_ISIS_CIRCUIT, circuit);
226:
227: return;
228: }
229:
230: void
231: isis_circuit_add_addr (struct isis_circuit *circuit,
232: struct connected *connected)
233: {
234: struct prefix_ipv4 *ipv4;
235: u_char buf[BUFSIZ];
236: #ifdef HAVE_IPV6
237: struct prefix_ipv6 *ipv6;
238: #endif /* HAVE_IPV6 */
239:
240: if (!circuit->ip_addrs)
241: circuit->ip_addrs = list_new ();
242: #ifdef HAVE_IPV6
243: if (!circuit->ipv6_link)
244: circuit->ipv6_link = list_new ();
245: if (!circuit->ipv6_non_link)
246: circuit->ipv6_non_link = list_new ();
247: #endif /* HAVE_IPV6 */
248:
249: memset (&buf, 0, BUFSIZ);
250: if (connected->address->family == AF_INET)
251: {
252: ipv4 = prefix_ipv4_new ();
253: ipv4->prefixlen = connected->address->prefixlen;
254: ipv4->prefix = connected->address->u.prefix4;
255: listnode_add (circuit->ip_addrs, ipv4);
256: if (circuit->area)
257: lsp_regenerate_schedule (circuit->area);
258:
259: #ifdef EXTREME_DEBUG
260: prefix2str (connected->address, buf, BUFSIZ);
261: zlog_debug ("Added IP address %s to circuit %d", buf,
262: circuit->circuit_id);
263: #endif /* EXTREME_DEBUG */
264: }
265: #ifdef HAVE_IPV6
266: if (connected->address->family == AF_INET6)
267: {
268: ipv6 = prefix_ipv6_new ();
269: ipv6->prefixlen = connected->address->prefixlen;
270: ipv6->prefix = connected->address->u.prefix6;
271:
272: if (IN6_IS_ADDR_LINKLOCAL (&ipv6->prefix))
273: listnode_add (circuit->ipv6_link, ipv6);
274: else
275: listnode_add (circuit->ipv6_non_link, ipv6);
276: if (circuit->area)
277: lsp_regenerate_schedule (circuit->area);
278:
279: #ifdef EXTREME_DEBUG
280: prefix2str (connected->address, buf, BUFSIZ);
281: zlog_debug ("Added IPv6 address %s to circuit %d", buf,
282: circuit->circuit_id);
283: #endif /* EXTREME_DEBUG */
284: }
285: #endif /* HAVE_IPV6 */
286: return;
287: }
288:
289: void
290: isis_circuit_del_addr (struct isis_circuit *circuit,
291: struct connected *connected)
292: {
293: struct prefix_ipv4 *ipv4, *ip = NULL;
294: struct listnode *node;
295: u_char buf[BUFSIZ];
296: #ifdef HAVE_IPV6
297: struct prefix_ipv6 *ipv6, *ip6 = NULL;
298: int found = 0;
299: #endif /* HAVE_IPV6 */
300:
301: memset (&buf, 0, BUFSIZ);
302: if (connected->address->family == AF_INET)
303: {
304: ipv4 = prefix_ipv4_new ();
305: ipv4->prefixlen = connected->address->prefixlen;
306: ipv4->prefix = connected->address->u.prefix4;
307:
308: for (ALL_LIST_ELEMENTS_RO (circuit->ip_addrs, node, ip))
309: if (prefix_same ((struct prefix *) ip, (struct prefix *) &ipv4))
310: break;
311:
312: if (ip)
313: {
314: listnode_delete (circuit->ip_addrs, ip);
315: if (circuit->area)
316: lsp_regenerate_schedule (circuit->area);
317: }
318: else
319: {
320: prefix2str (connected->address, (char *)buf, BUFSIZ);
321: zlog_warn("Nonexitant ip address %s removal attempt from circuit \
322: %d", buf, circuit->circuit_id);
323: }
324: }
325: #ifdef HAVE_IPV6
326: if (connected->address->family == AF_INET6)
327: {
328: ipv6 = prefix_ipv6_new ();
329: ipv6->prefixlen = connected->address->prefixlen;
330: ipv6->prefix = connected->address->u.prefix6;
331:
332: if (IN6_IS_ADDR_LINKLOCAL (&ipv6->prefix))
333: {
334: for (ALL_LIST_ELEMENTS_RO (circuit->ipv6_link, node, ip6))
335: {
336: if (prefix_same ((struct prefix *) ip6, (struct prefix *) ipv6))
337: break;
338: }
339: if (ip6)
340: {
341: listnode_delete (circuit->ipv6_link, ip6);
342: found = 1;
343: }
344: }
345: else
346: {
347: for (ALL_LIST_ELEMENTS_RO (circuit->ipv6_non_link, node, ip6))
348: {
349: if (prefix_same ((struct prefix *) ip6, (struct prefix *) ipv6))
350: break;
351: }
352: if (ip6)
353: {
354: listnode_delete (circuit->ipv6_non_link, ip6);
355: found = 1;
356: }
357: }
358:
359: if (!found)
360: {
361: prefix2str (connected->address, (char *)buf, BUFSIZ);
362: zlog_warn("Nonexitant ip address %s removal attempt from \
363: circuit %d", buf, circuit->circuit_id);
364: }
365: else
366: if (circuit->area)
367: lsp_regenerate_schedule (circuit->area);
368: }
369: #endif /* HAVE_IPV6 */
370: return;
371: }
372:
373: void
374: isis_circuit_if_add (struct isis_circuit *circuit, struct interface *ifp)
375: {
376: struct listnode *node, *nnode;
377: struct connected *conn;
378:
379: circuit->interface = ifp;
380: ifp->info = circuit;
381:
382: circuit->circuit_id = ifp->ifindex % 255; /* FIXME: Why not ? */
383:
384: /* isis_circuit_update_addrs (circuit, ifp); */
385:
386: if (if_is_broadcast (ifp))
387: {
388: circuit->circ_type = CIRCUIT_T_BROADCAST;
389: /*
390: * Get the Hardware Address
391: */
392: #ifdef HAVE_STRUCT_SOCKADDR_DL
393: #ifndef SUNOS_5
394: if (circuit->interface->sdl.sdl_alen != ETHER_ADDR_LEN)
395: zlog_warn ("unsupported link layer");
396: else
397: memcpy (circuit->u.bc.snpa, LLADDR (&circuit->interface->sdl),
398: ETH_ALEN);
399: #endif
400: #else
401: if (circuit->interface->hw_addr_len != ETH_ALEN)
402: {
403: zlog_warn ("unsupported link layer");
404: }
405: else
406: {
407: memcpy (circuit->u.bc.snpa, circuit->interface->hw_addr, ETH_ALEN);
408: }
409: #ifdef EXTREME_DEGUG
410: zlog_debug ("isis_circuit_if_add: if_id %d, isomtu %d snpa %s",
411: circuit->interface->ifindex, ISO_MTU (circuit),
412: snpa_print (circuit->u.bc.snpa));
413:
414: #endif /* EXTREME_DEBUG */
415: #endif /* HAVE_STRUCT_SOCKADDR_DL */
416: }
417: else if (if_is_pointopoint (ifp))
418: {
419: circuit->circ_type = CIRCUIT_T_P2P;
420: }
421: else
422: {
423: /* It's normal in case of loopback etc. */
424: if (isis->debugs & DEBUG_EVENTS)
425: zlog_debug ("isis_circuit_if_add: unsupported media");
426: }
427:
428: for (ALL_LIST_ELEMENTS (ifp->connected, node, nnode, conn))
429: isis_circuit_add_addr (circuit, conn);
430:
431: return;
432: }
433:
434: void
435: isis_circuit_update_params (struct isis_circuit *circuit,
436: struct interface *ifp)
437: {
438: assert (circuit);
439:
440: if (circuit->circuit_id != ifp->ifindex)
441: {
442: zlog_warn ("changing circuit_id %d->%d", circuit->circuit_id,
443: ifp->ifindex);
444: circuit->circuit_id = ifp->ifindex % 255;
445: }
446:
447: /* FIXME: Why is this needed? shouldn't we compare to the area's mtu */
448: /* Ofer, this was here in case someone changes the mtu (e.g. with ifconfig)
449: The areas MTU is the minimum of mtu's of circuits in the area
450: now we can't catch the change
451: if (circuit->mtu != ifp->mtu) {
452: zlog_warn ("changing circuit mtu %d->%d", circuit->mtu,
453: ifp->mtu);
454: circuit->mtu = ifp->mtu;
455: }
456: */
457: /*
458: * Get the Hardware Address
459: */
460: #ifdef HAVE_STRUCT_SOCKADDR_DL
461: #ifndef SUNOS_5
462: if (circuit->interface->sdl.sdl_alen != ETHER_ADDR_LEN)
463: zlog_warn ("unsupported link layer");
464: else
465: memcpy (circuit->u.bc.snpa, LLADDR (&circuit->interface->sdl), ETH_ALEN);
466: #endif
467: #else
468: if (circuit->interface->hw_addr_len != ETH_ALEN)
469: {
470: zlog_warn ("unsupported link layer");
471: }
472: else
473: {
474: if (memcmp (circuit->u.bc.snpa, circuit->interface->hw_addr, ETH_ALEN))
475: {
476: zlog_warn ("changing circuit snpa %s->%s",
477: snpa_print (circuit->u.bc.snpa),
478: snpa_print (circuit->interface->hw_addr));
479: }
480: }
481: #endif
482:
483: if (if_is_broadcast (ifp))
484: {
485: circuit->circ_type = CIRCUIT_T_BROADCAST;
486: }
487: else if (if_is_pointopoint (ifp))
488: {
489: circuit->circ_type = CIRCUIT_T_P2P;
490: }
491: else
492: {
493: zlog_warn ("isis_circuit_update_params: unsupported media");
494: }
495:
496: return;
497: }
498:
499: void
500: isis_circuit_if_del (struct isis_circuit *circuit)
501: {
502: circuit->interface->info = NULL;
503: circuit->interface = NULL;
504:
505: return;
506: }
507:
508: void
509: isis_circuit_up (struct isis_circuit *circuit)
510: {
511:
512: if (circuit->circ_type == CIRCUIT_T_BROADCAST)
513: {
514: if (circuit->area->min_bcast_mtu == 0 ||
515: ISO_MTU (circuit) < circuit->area->min_bcast_mtu)
516: circuit->area->min_bcast_mtu = ISO_MTU (circuit);
517: /*
518: * ISO 10589 - 8.4.1 Enabling of broadcast circuits
519: */
520:
521: /* initilizing the hello sending threads
522: * for a broadcast IF
523: */
524:
525: /* 8.4.1 a) commence sending of IIH PDUs */
526:
527: if (circuit->circuit_is_type & IS_LEVEL_1)
528: {
529: thread_add_event (master, send_lan_l1_hello, circuit, 0);
530: circuit->u.bc.lan_neighs[0] = list_new ();
531: }
532:
533: if (circuit->circuit_is_type & IS_LEVEL_2)
534: {
535: thread_add_event (master, send_lan_l2_hello, circuit, 0);
536: circuit->u.bc.lan_neighs[1] = list_new ();
537: }
538:
539: /* 8.4.1 b) FIXME: solicit ES - 8.4.6 */
540: /* 8.4.1 c) FIXME: listen for ESH PDUs */
541:
542: /* 8.4.1 d) */
543: /* dr election will commence in... */
544: if (circuit->circuit_is_type & IS_LEVEL_1)
545: THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[0], isis_run_dr_l1,
546: circuit, 2 * circuit->hello_interval[0]);
547: if (circuit->circuit_is_type & IS_LEVEL_2)
548: THREAD_TIMER_ON (master, circuit->u.bc.t_run_dr[1], isis_run_dr_l2,
549: circuit, 2 * circuit->hello_interval[1]);
550: }
551: else
552: {
553: /* initializing the hello send threads
554: * for a ptp IF
555: */
556: thread_add_event (master, send_p2p_hello, circuit, 0);
557:
558: }
559:
560: /* initializing PSNP timers */
561: if (circuit->circuit_is_type & IS_LEVEL_1)
562: {
563: THREAD_TIMER_ON (master, circuit->t_send_psnp[0], send_l1_psnp, circuit,
564: isis_jitter (circuit->psnp_interval[0], PSNP_JITTER));
565: }
566:
567: if (circuit->circuit_is_type & IS_LEVEL_2)
568: {
569: THREAD_TIMER_ON (master, circuit->t_send_psnp[1], send_l2_psnp, circuit,
570: isis_jitter (circuit->psnp_interval[1], PSNP_JITTER));
571: }
572:
573: /* initialize the circuit streams */
574: if (circuit->rcv_stream == NULL)
575: circuit->rcv_stream = stream_new (ISO_MTU (circuit));
576:
577: if (circuit->snd_stream == NULL)
578: circuit->snd_stream = stream_new (ISO_MTU (circuit));
579:
580: /* unified init for circuits */
581: isis_sock_init (circuit);
582:
583: #ifdef GNU_LINUX
584: THREAD_READ_ON (master, circuit->t_read, isis_receive, circuit,
585: circuit->fd);
586: #else
587: THREAD_TIMER_ON (master, circuit->t_read, isis_receive, circuit,
588: circuit->fd);
589: #endif
590: return;
591: }
592:
593: void
594: isis_circuit_down (struct isis_circuit *circuit)
595: {
596: /* Cancel all active threads -- FIXME: wrong place */
597: /* HT: Read thread if GNU_LINUX, TIMER thread otherwise. */
598: THREAD_OFF (circuit->t_read);
599: if (circuit->circ_type == CIRCUIT_T_BROADCAST)
600: {
601: THREAD_TIMER_OFF (circuit->u.bc.t_send_lan_hello[0]);
602: THREAD_TIMER_OFF (circuit->u.bc.t_send_lan_hello[1]);
603: THREAD_TIMER_OFF (circuit->u.bc.t_run_dr[0]);
604: THREAD_TIMER_OFF (circuit->u.bc.t_run_dr[1]);
605: }
606: else if (circuit->circ_type == CIRCUIT_T_P2P)
607: {
608: THREAD_TIMER_OFF (circuit->u.p2p.t_send_p2p_hello);
609: }
610:
611: if (circuit->t_send_psnp[0]) {
612: THREAD_TIMER_OFF (circuit->t_send_psnp[0]);
613: }
614: if (circuit->t_send_psnp[1]) {
615: THREAD_TIMER_OFF (circuit->t_send_psnp[1]);
616: }
617: /* close the socket */
618: close (circuit->fd);
619:
620: return;
621: }
622:
623: void
624: circuit_update_nlpids (struct isis_circuit *circuit)
625: {
626: circuit->nlpids.count = 0;
627:
628: if (circuit->ip_router)
629: {
630: circuit->nlpids.nlpids[0] = NLPID_IP;
631: circuit->nlpids.count++;
632: }
633: #ifdef HAVE_IPV6
634: if (circuit->ipv6_router)
635: {
636: circuit->nlpids.nlpids[circuit->nlpids.count] = NLPID_IPV6;
637: circuit->nlpids.count++;
638: }
639: #endif /* HAVE_IPV6 */
640: return;
641: }
642:
643: int
644: isis_interface_config_write (struct vty *vty)
645: {
646:
647: int write = 0;
648: struct listnode *node, *node2;
649: struct interface *ifp;
650: struct isis_area *area;
651: struct isis_circuit *c;
652: int i;
653:
654: for (ALL_LIST_ELEMENTS_RO (iflist, node, ifp))
655: {
656: /* IF name */
657: vty_out (vty, "interface %s%s", ifp->name, VTY_NEWLINE);
658: write++;
659: /* IF desc */
660: if (ifp->desc)
661: {
662: vty_out (vty, " description %s%s", ifp->desc, VTY_NEWLINE);
663: write++;
664: }
665: /* ISIS Circuit */
666: for (ALL_LIST_ELEMENTS_RO (isis->area_list, node2, area))
667: {
668: c = circuit_lookup_by_ifp (ifp, area->circuit_list);
669: if (c)
670: {
671: if (c->ip_router)
672: {
673: vty_out (vty, " ip router isis %s%s", area->area_tag,
674: VTY_NEWLINE);
675: write++;
676: }
677: #ifdef HAVE_IPV6
678: if (c->ipv6_router)
679: {
680: vty_out (vty, " ipv6 router isis %s%s", area->area_tag,
681: VTY_NEWLINE);
682: write++;
683: }
684: #endif /* HAVE_IPV6 */
685:
686: /* ISIS - circuit type */
687: if (c->circuit_is_type == IS_LEVEL_1)
688: {
689: vty_out (vty, " isis circuit-type level-1%s", VTY_NEWLINE);
690: write++;
691: }
692: else
693: {
694: if (c->circuit_is_type == IS_LEVEL_2)
695: {
696: vty_out (vty, " isis circuit-type level-2-only%s",
697: VTY_NEWLINE);
698: write++;
699: }
700: }
701:
702: /* ISIS - CSNP interval - FIXME: compare to cisco */
703: if (c->csnp_interval[0] == c->csnp_interval[1])
704: {
705: if (c->csnp_interval[0] != CSNP_INTERVAL)
706: {
707: vty_out (vty, " isis csnp-interval %d%s",
708: c->csnp_interval[0], VTY_NEWLINE);
709: write++;
710: }
711: }
712: else
713: {
714: for (i = 0; i < 2; i++)
715: {
716: if (c->csnp_interval[1] != CSNP_INTERVAL)
717: {
718: vty_out (vty, " isis csnp-interval %d level-%d%s",
719: c->csnp_interval[1], i + 1, VTY_NEWLINE);
720: write++;
721: }
722: }
723: }
724:
725: /* ISIS - Hello padding - Defaults to true so only display if false */
726: if (c->circ_type == CIRCUIT_T_BROADCAST && !c->u.bc.pad_hellos)
727: {
728: vty_out (vty, " no isis hello padding%s", VTY_NEWLINE);
729: write++;
730: }
731:
732: /* ISIS - Hello interval - FIXME: compare to cisco */
733: if (c->hello_interval[0] == c->hello_interval[1])
734: {
735: if (c->hello_interval[0] != HELLO_INTERVAL)
736: {
737: vty_out (vty, " isis hello-interval %d%s",
738: c->hello_interval[0], VTY_NEWLINE);
739: write++;
740: }
741: }
742: else
743: {
744: for (i = 0; i < 2; i++)
745: {
746: if (c->hello_interval[i] != HELLO_INTERVAL)
747: {
748: if (c->hello_interval[i] == HELLO_MINIMAL)
749: {
750: vty_out (vty,
751: " isis hello-interval minimal level-%d%s",
752: i + 1, VTY_NEWLINE);
753: }
754: else
755: {
756: vty_out (vty, " isis hello-interval %d level-%d%s",
757: c->hello_interval[i], i + 1, VTY_NEWLINE);
758: }
759: write++;
760: }
761: }
762: }
763:
764: /* ISIS - Hello Multiplier */
765: if (c->hello_multiplier[0] == c->hello_multiplier[1])
766: {
767: if (c->hello_multiplier[0] != HELLO_MULTIPLIER)
768: {
769: vty_out (vty, " isis hello-multiplier %d%s",
770: c->hello_multiplier[0], VTY_NEWLINE);
771: write++;
772: }
773: }
774: else
775: {
776: for (i = 0; i < 2; i++)
777: {
778: if (c->hello_multiplier[i] != HELLO_MULTIPLIER)
779: {
780: vty_out (vty, " isis hello-multiplier %d level-%d%s",
781: c->hello_multiplier[i], i + 1, VTY_NEWLINE);
782: write++;
783: }
784: }
785: }
786: /* ISIS - Priority */
787: if (c->circ_type == CIRCUIT_T_BROADCAST)
788: {
789: if (c->u.bc.priority[0] == c->u.bc.priority[1])
790: {
791: if (c->u.bc.priority[0] != DEFAULT_PRIORITY)
792: {
793: vty_out (vty, " isis priority %d%s",
794: c->u.bc.priority[0], VTY_NEWLINE);
795: write++;
796: }
797: }
798: else
799: {
800: for (i = 0; i < 2; i++)
801: {
802: if (c->u.bc.priority[i] != DEFAULT_PRIORITY)
803: {
804: vty_out (vty, " isis priority %d level-%d%s",
805: c->u.bc.priority[i], i + 1, VTY_NEWLINE);
806: write++;
807: }
808: }
809: }
810: }
811: /* ISIS - Metric */
812: if (c->te_metric[0] == c->te_metric[1])
813: {
814: if (c->te_metric[0] != DEFAULT_CIRCUIT_METRICS)
815: {
816: vty_out (vty, " isis metric %d%s", c->te_metric[0],
817: VTY_NEWLINE);
818: write++;
819: }
820: }
821: else
822: {
823: for (i = 0; i < 2; i++)
824: {
825: if (c->te_metric[i] != DEFAULT_CIRCUIT_METRICS)
826: {
827: vty_out (vty, " isis metric %d level-%d%s",
828: c->te_metric[i], i + 1, VTY_NEWLINE);
829: write++;
830: }
831: }
832: }
833:
834: }
835: }
836: vty_out (vty, "!%s", VTY_NEWLINE);
837: }
838:
839: return write;
840: }
841:
842: DEFUN (ip_router_isis,
843: ip_router_isis_cmd,
844: "ip router isis WORD",
845: "Interface Internet Protocol config commands\n"
846: "IP router interface commands\n"
847: "IS-IS Routing for IP\n"
848: "Routing process tag\n")
849: {
850: struct isis_circuit *c;
851: struct interface *ifp;
852: struct isis_area *area;
853:
854: ifp = (struct interface *) vty->index;
855: assert (ifp);
856:
857: area = isis_area_lookup (argv[0]);
858:
859: /* Prevent more than one circuit per interface */
860: if (area)
861: c = circuit_lookup_by_ifp (ifp, area->circuit_list);
862: else
863: c = NULL;
864: if (c && (ifp->info != NULL))
865: {
866: #ifdef HAVE_IPV6
867: if (c->ipv6_router == 0)
868: {
869: #endif /* HAVE_IPV6 */
870: /* FIXME: Find the way to warn only vty users. */
871: /* vty_out (vty, "ISIS circuit is already defined%s", VTY_NEWLINE); */
872: return CMD_WARNING;
873: #ifdef HAVE_IPV6
874: }
875: #endif /* HAVE_IPV6 */
876: }
877:
878: /* this is here for ciscopability */
879: if (!area)
880: {
881: /* FIXME: Find the way to warn only vty users. */
882: /* vty_out (vty, "Can't find ISIS instance %s", VTY_NEWLINE); */
883: return CMD_WARNING;
884: }
885:
886: if (!c)
887: {
888: c = circuit_lookup_by_ifp (ifp, isis->init_circ_list);
889: c = isis_csm_state_change (ISIS_ENABLE, c, area);
890: c->interface = ifp; /* this is automatic */
891: ifp->info = c; /* hardly related to the FSM */
892: }
893:
894: if (!c)
895: return CMD_WARNING;
896:
897: c->ip_router = 1;
898: area->ip_circuits++;
899: circuit_update_nlpids (c);
900:
901: vty->node = INTERFACE_NODE;
902:
903: return CMD_SUCCESS;
904: }
905:
906: DEFUN (no_ip_router_isis,
907: no_ip_router_isis_cmd,
908: "no ip router isis WORD",
909: NO_STR
910: "Interface Internet Protocol config commands\n"
911: "IP router interface commands\n"
912: "IS-IS Routing for IP\n"
913: "Routing process tag\n")
914: {
915: struct isis_circuit *circuit = NULL;
916: struct interface *ifp;
917: struct isis_area *area;
918: struct listnode *node;
919:
920: ifp = (struct interface *) vty->index;
921: assert (ifp);
922:
923: area = isis_area_lookup (argv[0]);
924: if (!area)
925: {
926: vty_out (vty, "Can't find ISIS instance %s", VTY_NEWLINE);
927: return CMD_WARNING;
928: }
929: for (ALL_LIST_ELEMENTS_RO (area->circuit_list, node, circuit))
930: if (circuit->interface == ifp)
931: break;
932: if (!circuit)
933: {
934: vty_out (vty, "Can't find ISIS interface %s", VTY_NEWLINE);
935: return CMD_WARNING;
936: }
937: circuit->ip_router = 0;
938: area->ip_circuits--;
939: #ifdef HAVE_IPV6
940: if (circuit->ipv6_router == 0)
941: #endif
942: isis_csm_state_change (ISIS_DISABLE, circuit, area);
943:
944: return CMD_SUCCESS;
945: }
946:
947: DEFUN (isis_circuit_type,
948: isis_circuit_type_cmd,
949: "isis circuit-type (level-1|level-1-2|level-2-only)",
950: "IS-IS commands\n"
951: "Configure circuit type for interface\n"
952: "Level-1 only adjacencies are formed\n"
953: "Level-1-2 adjacencies are formed\n"
954: "Level-2 only adjacencies are formed\n")
955: {
956: struct isis_circuit *circuit;
957: struct interface *ifp;
958: int circuit_t;
959: int is_type;
960:
961: ifp = vty->index;
962: circuit = ifp->info;
963: /* UGLY - will remove l8r */
964: if (circuit == NULL)
965: {
966: return CMD_WARNING;
967: }
968:
969: /* XXX what to do when ip_router_isis is not executed */
970: if (circuit->area == NULL)
971: return CMD_WARNING;
972:
973: assert (circuit);
974:
975: circuit_t = string2circuit_t (argv[0]);
976:
977: if (!circuit_t)
978: {
979: vty_out (vty, "Unknown circuit-type %s", VTY_NEWLINE);
980: return CMD_SUCCESS;
981: }
982:
983: is_type = circuit->area->is_type;
984: if (is_type == IS_LEVEL_1_AND_2 || is_type == circuit_t)
985: isis_event_circuit_type_change (circuit, circuit_t);
986: else
987: {
988: vty_out (vty, "invalid circuit level for area %s.%s",
989: circuit->area->area_tag, VTY_NEWLINE);
990: }
991:
992: return CMD_SUCCESS;
993: }
994:
995: DEFUN (no_isis_circuit_type,
996: no_isis_circuit_type_cmd,
997: "no isis circuit-type (level-1|level-1-2|level-2-only)",
998: NO_STR
999: "IS-IS commands\n"
1000: "Configure circuit type for interface\n"
1001: "Level-1 only adjacencies are formed\n"
1002: "Level-1-2 adjacencies are formed\n"
1003: "Level-2 only adjacencies are formed\n")
1004: {
1005: struct isis_circuit *circuit;
1006: struct interface *ifp;
1007:
1008: ifp = vty->index;
1009: circuit = ifp->info;
1010: if (circuit == NULL)
1011: {
1012: return CMD_WARNING;
1013: }
1014:
1015: assert (circuit);
1016:
1017: /*
1018: * Set the circuits level to its default value which is that of the area
1019: */
1020: isis_event_circuit_type_change (circuit, circuit->area->is_type);
1021:
1022: return CMD_SUCCESS;
1023: }
1024:
1025: DEFUN (isis_passwd,
1026: isis_passwd_cmd,
1027: "isis password WORD",
1028: "IS-IS commands\n"
1029: "Configure the authentication password for interface\n"
1030: "Password\n")
1031: {
1032: struct isis_circuit *circuit;
1033: struct interface *ifp;
1034: int len;
1035:
1036: ifp = vty->index;
1037: circuit = ifp->info;
1038: if (circuit == NULL)
1039: {
1040: return CMD_WARNING;
1041: }
1042:
1043: len = strlen (argv[0]);
1044: if (len > 254)
1045: {
1046: vty_out (vty, "Too long circuit password (>254)%s", VTY_NEWLINE);
1047: return CMD_WARNING;
1048: }
1049: circuit->passwd.len = len;
1050: circuit->passwd.type = ISIS_PASSWD_TYPE_CLEARTXT;
1051: strncpy ((char *)circuit->passwd.passwd, argv[0], 255);
1052:
1053: return CMD_SUCCESS;
1054: }
1055:
1056: DEFUN (no_isis_passwd,
1057: no_isis_passwd_cmd,
1058: "no isis password",
1059: NO_STR
1060: "IS-IS commands\n"
1061: "Configure the authentication password for interface\n")
1062: {
1063: struct isis_circuit *circuit;
1064: struct interface *ifp;
1065:
1066: ifp = vty->index;
1067: circuit = ifp->info;
1068: if (circuit == NULL)
1069: {
1070: return CMD_WARNING;
1071: }
1072:
1073: memset (&circuit->passwd, 0, sizeof (struct isis_passwd));
1074:
1075: return CMD_SUCCESS;
1076: }
1077:
1078:
1079: DEFUN (isis_priority,
1080: isis_priority_cmd,
1081: "isis priority <0-127>",
1082: "IS-IS commands\n"
1083: "Set priority for Designated Router election\n"
1084: "Priority value\n")
1085: {
1086: struct isis_circuit *circuit;
1087: struct interface *ifp;
1088: int prio;
1089:
1090: ifp = vty->index;
1091: circuit = ifp->info;
1092: if (circuit == NULL)
1093: {
1094: return CMD_WARNING;
1095: }
1096: assert (circuit);
1097:
1098: prio = atoi (argv[0]);
1099:
1100: circuit->u.bc.priority[0] = prio;
1101: circuit->u.bc.priority[1] = prio;
1102:
1103: return CMD_SUCCESS;
1104: }
1105:
1106: DEFUN (no_isis_priority,
1107: no_isis_priority_cmd,
1108: "no isis priority",
1109: NO_STR
1110: "IS-IS commands\n"
1111: "Set priority for Designated Router election\n")
1112: {
1113: struct isis_circuit *circuit;
1114: struct interface *ifp;
1115:
1116: ifp = vty->index;
1117: circuit = ifp->info;
1118: if (circuit == NULL)
1119: {
1120: return CMD_WARNING;
1121: }
1122: assert (circuit);
1123:
1124: circuit->u.bc.priority[0] = DEFAULT_PRIORITY;
1125: circuit->u.bc.priority[1] = DEFAULT_PRIORITY;
1126:
1127: return CMD_SUCCESS;
1128: }
1129:
1130: ALIAS (no_isis_priority,
1131: no_isis_priority_arg_cmd,
1132: "no isis priority <0-127>",
1133: NO_STR
1134: "IS-IS commands\n"
1135: "Set priority for Designated Router election\n"
1136: "Priority value\n")
1137:
1138: DEFUN (isis_priority_l1,
1139: isis_priority_l1_cmd,
1140: "isis priority <0-127> level-1",
1141: "IS-IS commands\n"
1142: "Set priority for Designated Router election\n"
1143: "Priority value\n"
1144: "Specify priority for level-1 routing\n")
1145: {
1146: struct isis_circuit *circuit;
1147: struct interface *ifp;
1148: int prio;
1149:
1150: ifp = vty->index;
1151: circuit = ifp->info;
1152: if (circuit == NULL)
1153: {
1154: return CMD_WARNING;
1155: }
1156: assert (circuit);
1157:
1158: prio = atoi (argv[0]);
1159:
1160: circuit->u.bc.priority[0] = prio;
1161:
1162: return CMD_SUCCESS;
1163: }
1164:
1165: DEFUN (no_isis_priority_l1,
1166: no_isis_priority_l1_cmd,
1167: "no isis priority level-1",
1168: NO_STR
1169: "IS-IS commands\n"
1170: "Set priority for Designated Router election\n"
1171: "Specify priority for level-1 routing\n")
1172: {
1173: struct isis_circuit *circuit;
1174: struct interface *ifp;
1175:
1176: ifp = vty->index;
1177: circuit = ifp->info;
1178: if (circuit == NULL)
1179: {
1180: return CMD_WARNING;
1181: }
1182: assert (circuit);
1183:
1184: circuit->u.bc.priority[0] = DEFAULT_PRIORITY;
1185:
1186: return CMD_SUCCESS;
1187: }
1188:
1189: ALIAS (no_isis_priority_l1,
1190: no_isis_priority_l1_arg_cmd,
1191: "no isis priority <0-127> level-1",
1192: NO_STR
1193: "IS-IS commands\n"
1194: "Set priority for Designated Router election\n"
1195: "Priority value\n"
1196: "Specify priority for level-1 routing\n")
1197:
1198: DEFUN (isis_priority_l2,
1199: isis_priority_l2_cmd,
1200: "isis priority <0-127> level-2",
1201: "IS-IS commands\n"
1202: "Set priority for Designated Router election\n"
1203: "Priority value\n"
1204: "Specify priority for level-2 routing\n")
1205: {
1206: struct isis_circuit *circuit;
1207: struct interface *ifp;
1208: int prio;
1209:
1210: ifp = vty->index;
1211: circuit = ifp->info;
1212: if (circuit == NULL)
1213: {
1214: return CMD_WARNING;
1215: }
1216: assert (circuit);
1217:
1218: prio = atoi (argv[0]);
1219:
1220: circuit->u.bc.priority[1] = prio;
1221:
1222: return CMD_SUCCESS;
1223: }
1224:
1225: DEFUN (no_isis_priority_l2,
1226: no_isis_priority_l2_cmd,
1227: "no isis priority level-2",
1228: NO_STR
1229: "IS-IS commands\n"
1230: "Set priority for Designated Router election\n"
1231: "Specify priority for level-2 routing\n")
1232: {
1233: struct isis_circuit *circuit;
1234: struct interface *ifp;
1235:
1236: ifp = vty->index;
1237: circuit = ifp->info;
1238: if (circuit == NULL)
1239: {
1240: return CMD_WARNING;
1241: }
1242: assert (circuit);
1243:
1244: circuit->u.bc.priority[1] = DEFAULT_PRIORITY;
1245:
1246: return CMD_SUCCESS;
1247: }
1248:
1249: ALIAS (no_isis_priority_l2,
1250: no_isis_priority_l2_arg_cmd,
1251: "no isis priority <0-127> level-2",
1252: NO_STR
1253: "IS-IS commands\n"
1254: "Set priority for Designated Router election\n"
1255: "Priority value\n"
1256: "Specify priority for level-2 routing\n")
1257:
1258: /* Metric command */
1259: DEFUN (isis_metric,
1260: isis_metric_cmd,
1261: "isis metric <0-16777215>",
1262: "IS-IS commands\n"
1263: "Set default metric for circuit\n"
1264: "Default metric value\n")
1265: {
1266: struct isis_circuit *circuit;
1267: struct interface *ifp;
1268: int met;
1269:
1270: ifp = vty->index;
1271: circuit = ifp->info;
1272: if (circuit == NULL)
1273: {
1274: return CMD_WARNING;
1275: }
1276: assert (circuit);
1277:
1278: met = atoi (argv[0]);
1279:
1280: circuit->te_metric[0] = met;
1281: circuit->te_metric[1] = met;
1282:
1283: if (met > 63)
1284: met = 63;
1285:
1286: circuit->metrics[0].metric_default = met;
1287: circuit->metrics[1].metric_default = met;
1288:
1289: return CMD_SUCCESS;
1290: }
1291:
1292: DEFUN (no_isis_metric,
1293: no_isis_metric_cmd,
1294: "no isis metric",
1295: NO_STR
1296: "IS-IS commands\n"
1297: "Set default metric for circuit\n")
1298: {
1299: struct isis_circuit *circuit;
1300: struct interface *ifp;
1301:
1302: ifp = vty->index;
1303: circuit = ifp->info;
1304: if (circuit == NULL)
1305: {
1306: return CMD_WARNING;
1307: }
1308: assert (circuit);
1309:
1310: circuit->te_metric[0] = DEFAULT_CIRCUIT_METRICS;
1311: circuit->te_metric[1] = DEFAULT_CIRCUIT_METRICS;
1312: circuit->metrics[0].metric_default = DEFAULT_CIRCUIT_METRICS;
1313: circuit->metrics[1].metric_default = DEFAULT_CIRCUIT_METRICS;
1314:
1315: return CMD_SUCCESS;
1316: }
1317:
1318: ALIAS (no_isis_metric,
1319: no_isis_metric_arg_cmd,
1320: "no isis metric <0-16777215>",
1321: NO_STR
1322: "IS-IS commands\n"
1323: "Set default metric for circuit\n"
1324: "Default metric value\n")
1325:
1326: /* end of metrics */
1327: DEFUN (isis_hello_interval,
1328: isis_hello_interval_cmd,
1329: "isis hello-interval (<1-65535>|minimal)",
1330: "IS-IS commands\n"
1331: "Set Hello interval\n"
1332: "Hello interval value\n"
1333: "Holdtime 1 seconds, interval depends on multiplier\n")
1334: {
1335: struct isis_circuit *circuit;
1336: struct interface *ifp;
1337: int interval;
1338: char c;
1339:
1340: ifp = vty->index;
1341: circuit = ifp->info;
1342: if (circuit == NULL)
1343: {
1344: return CMD_WARNING;
1345: }
1346: assert (circuit);
1347: c = *argv[0];
1348: if (isdigit ((int) c))
1349: {
1350: interval = atoi (argv[0]);
1351: }
1352: else
1353: interval = HELLO_MINIMAL; /* FIXME: should be calculated */
1354:
1355: circuit->hello_interval[0] = (u_int16_t) interval;
1356: circuit->hello_interval[1] = (u_int16_t) interval;
1357:
1358: return CMD_SUCCESS;
1359: }
1360:
1361: DEFUN (no_isis_hello_interval,
1362: no_isis_hello_interval_cmd,
1363: "no isis hello-interval",
1364: NO_STR
1365: "IS-IS commands\n"
1366: "Set Hello interval\n")
1367: {
1368: struct isis_circuit *circuit;
1369: struct interface *ifp;
1370:
1371: ifp = vty->index;
1372: circuit = ifp->info;
1373: if (circuit == NULL)
1374: {
1375: return CMD_WARNING;
1376: }
1377: assert (circuit);
1378:
1379:
1380: circuit->hello_interval[0] = HELLO_INTERVAL; /* Default is 1 sec. */
1381: circuit->hello_interval[1] = HELLO_INTERVAL;
1382:
1383: return CMD_SUCCESS;
1384: }
1385:
1386: ALIAS (no_isis_hello_interval,
1387: no_isis_hello_interval_arg_cmd,
1388: "no isis hello-interval (<1-65535>|minimal)",
1389: NO_STR
1390: "IS-IS commands\n"
1391: "Set Hello interval\n"
1392: "Hello interval value\n"
1393: "Holdtime 1 second, interval depends on multiplier\n")
1394:
1395: DEFUN (isis_hello_interval_l1,
1396: isis_hello_interval_l1_cmd,
1397: "isis hello-interval (<1-65535>|minimal) level-1",
1398: "IS-IS commands\n"
1399: "Set Hello interval\n"
1400: "Hello interval value\n"
1401: "Holdtime 1 second, interval depends on multiplier\n"
1402: "Specify hello-interval for level-1 IIHs\n")
1403: {
1404: struct isis_circuit *circuit;
1405: struct interface *ifp;
1406: long interval;
1407: char c;
1408:
1409: ifp = vty->index;
1410: circuit = ifp->info;
1411: if (circuit == NULL)
1412: {
1413: return CMD_WARNING;
1414: }
1415: assert (circuit);
1416:
1417: c = *argv[0];
1418: if (isdigit ((int) c))
1419: {
1420: interval = atoi (argv[0]);
1421: }
1422: else
1423: interval = HELLO_MINIMAL;
1424:
1425: circuit->hello_interval[0] = (u_int16_t) interval;
1426:
1427: return CMD_SUCCESS;
1428: }
1429:
1430: DEFUN (no_isis_hello_interval_l1,
1431: no_isis_hello_interval_l1_cmd,
1432: "no isis hello-interval level-1",
1433: NO_STR
1434: "IS-IS commands\n"
1435: "Set Hello interval\n"
1436: "Specify hello-interval for level-1 IIHs\n")
1437: {
1438: struct isis_circuit *circuit;
1439: struct interface *ifp;
1440:
1441: ifp = vty->index;
1442: circuit = ifp->info;
1443: if (circuit == NULL)
1444: {
1445: return CMD_WARNING;
1446: }
1447: assert (circuit);
1448:
1449:
1450: circuit->hello_interval[0] = HELLO_INTERVAL; /* Default is 1 sec. */
1451:
1452: return CMD_SUCCESS;
1453: }
1454:
1455: ALIAS (no_isis_hello_interval_l1,
1456: no_isis_hello_interval_l1_arg_cmd,
1457: "no isis hello-interval (<1-65535>|minimal) level-1",
1458: NO_STR
1459: "IS-IS commands\n"
1460: "Set Hello interval\n"
1461: "Hello interval value\n"
1462: "Holdtime 1 second, interval depends on multiplier\n"
1463: "Specify hello-interval for level-1 IIHs\n")
1464:
1465: DEFUN (isis_hello_interval_l2,
1466: isis_hello_interval_l2_cmd,
1467: "isis hello-interval (<1-65535>|minimal) level-2",
1468: "IS-IS commands\n"
1469: "Set Hello interval\n"
1470: "Hello interval value\n"
1471: "Holdtime 1 second, interval depends on multiplier\n"
1472: "Specify hello-interval for level-2 IIHs\n")
1473: {
1474: struct isis_circuit *circuit;
1475: struct interface *ifp;
1476: long interval;
1477: char c;
1478:
1479: ifp = vty->index;
1480: circuit = ifp->info;
1481: if (circuit == NULL)
1482: {
1483: return CMD_WARNING;
1484: }
1485: assert (circuit);
1486:
1487: c = *argv[0];
1488: if (isdigit ((int) c))
1489: {
1490: interval = atoi (argv[0]);
1491: }
1492: else
1493: interval = HELLO_MINIMAL;
1494:
1495: circuit->hello_interval[1] = (u_int16_t) interval;
1496:
1497: return CMD_SUCCESS;
1498: }
1499:
1500: DEFUN (no_isis_hello_interval_l2,
1501: no_isis_hello_interval_l2_cmd,
1502: "no isis hello-interval level-2",
1503: NO_STR
1504: "IS-IS commands\n"
1505: "Set Hello interval\n"
1506: "Specify hello-interval for level-2 IIHs\n")
1507: {
1508: struct isis_circuit *circuit;
1509: struct interface *ifp;
1510:
1511: ifp = vty->index;
1512: circuit = ifp->info;
1513: if (circuit == NULL)
1514: {
1515: return CMD_WARNING;
1516: }
1517: assert (circuit);
1518:
1519:
1520: circuit->hello_interval[1] = HELLO_INTERVAL; /* Default is 1 sec. */
1521:
1522: return CMD_SUCCESS;
1523: }
1524:
1525: ALIAS (no_isis_hello_interval_l2,
1526: no_isis_hello_interval_l2_arg_cmd,
1527: "no isis hello-interval (<1-65535>|minimal) level-2",
1528: NO_STR
1529: "IS-IS commands\n"
1530: "Set Hello interval\n"
1531: "Hello interval value\n"
1532: "Holdtime 1 second, interval depends on multiplier\n"
1533: "Specify hello-interval for level-2 IIHs\n")
1534:
1535: DEFUN (isis_hello_multiplier,
1536: isis_hello_multiplier_cmd,
1537: "isis hello-multiplier <3-1000>",
1538: "IS-IS commands\n"
1539: "Set multiplier for Hello holding time\n"
1540: "Hello multiplier value\n")
1541: {
1542: struct isis_circuit *circuit;
1543: struct interface *ifp;
1544: int mult;
1545:
1546: ifp = vty->index;
1547: circuit = ifp->info;
1548: if (circuit == NULL)
1549: {
1550: return CMD_WARNING;
1551: }
1552: assert (circuit);
1553:
1554: mult = atoi (argv[0]);
1555:
1556: circuit->hello_multiplier[0] = (u_int16_t) mult;
1557: circuit->hello_multiplier[1] = (u_int16_t) mult;
1558:
1559: return CMD_SUCCESS;
1560: }
1561:
1562: DEFUN (no_isis_hello_multiplier,
1563: no_isis_hello_multiplier_cmd,
1564: "no isis hello-multiplier",
1565: NO_STR
1566: "IS-IS commands\n"
1567: "Set multiplier for Hello holding time\n")
1568: {
1569: struct isis_circuit *circuit;
1570: struct interface *ifp;
1571:
1572: ifp = vty->index;
1573: circuit = ifp->info;
1574: if (circuit == NULL)
1575: {
1576: return CMD_WARNING;
1577: }
1578: assert (circuit);
1579:
1580: circuit->hello_multiplier[0] = HELLO_MULTIPLIER;
1581: circuit->hello_multiplier[1] = HELLO_MULTIPLIER;
1582:
1583: return CMD_SUCCESS;
1584: }
1585:
1586: ALIAS (no_isis_hello_multiplier,
1587: no_isis_hello_multiplier_arg_cmd,
1588: "no isis hello-multiplier <3-1000>",
1589: NO_STR
1590: "IS-IS commands\n"
1591: "Set multiplier for Hello holding time\n"
1592: "Hello multiplier value\n")
1593:
1594: DEFUN (isis_hello_multiplier_l1,
1595: isis_hello_multiplier_l1_cmd,
1596: "isis hello-multiplier <3-1000> level-1",
1597: "IS-IS commands\n"
1598: "Set multiplier for Hello holding time\n"
1599: "Hello multiplier value\n"
1600: "Specify hello multiplier for level-1 IIHs\n")
1601: {
1602: struct isis_circuit *circuit;
1603: struct interface *ifp;
1604: int mult;
1605:
1606: ifp = vty->index;
1607: circuit = ifp->info;
1608: if (circuit == NULL)
1609: {
1610: return CMD_WARNING;
1611: }
1612: assert (circuit);
1613:
1614: mult = atoi (argv[0]);
1615:
1616: circuit->hello_multiplier[0] = (u_int16_t) mult;
1617:
1618: return CMD_SUCCESS;
1619: }
1620:
1621: DEFUN (no_isis_hello_multiplier_l1,
1622: no_isis_hello_multiplier_l1_cmd,
1623: "no isis hello-multiplier level-1",
1624: NO_STR
1625: "IS-IS commands\n"
1626: "Set multiplier for Hello holding time\n"
1627: "Specify hello multiplier for level-1 IIHs\n")
1628: {
1629: struct isis_circuit *circuit;
1630: struct interface *ifp;
1631:
1632: ifp = vty->index;
1633: circuit = ifp->info;
1634: if (circuit == NULL)
1635: {
1636: return CMD_WARNING;
1637: }
1638: assert (circuit);
1639:
1640: circuit->hello_multiplier[0] = HELLO_MULTIPLIER;
1641:
1642: return CMD_SUCCESS;
1643: }
1644:
1645: ALIAS (no_isis_hello_multiplier_l1,
1646: no_isis_hello_multiplier_l1_arg_cmd,
1647: "no isis hello-multiplier <3-1000> level-1",
1648: NO_STR
1649: "IS-IS commands\n"
1650: "Set multiplier for Hello holding time\n"
1651: "Hello multiplier value\n"
1652: "Specify hello multiplier for level-1 IIHs\n")
1653:
1654: DEFUN (isis_hello_multiplier_l2,
1655: isis_hello_multiplier_l2_cmd,
1656: "isis hello-multiplier <3-1000> level-2",
1657: "IS-IS commands\n"
1658: "Set multiplier for Hello holding time\n"
1659: "Hello multiplier value\n"
1660: "Specify hello multiplier for level-2 IIHs\n")
1661: {
1662: struct isis_circuit *circuit;
1663: struct interface *ifp;
1664: int mult;
1665:
1666: ifp = vty->index;
1667: circuit = ifp->info;
1668: if (circuit == NULL)
1669: {
1670: return CMD_WARNING;
1671: }
1672: assert (circuit);
1673:
1674: mult = atoi (argv[0]);
1675:
1676: circuit->hello_multiplier[1] = (u_int16_t) mult;
1677:
1678: return CMD_SUCCESS;
1679: }
1680:
1681: DEFUN (no_isis_hello_multiplier_l2,
1682: no_isis_hello_multiplier_l2_cmd,
1683: "no isis hello-multiplier level-2",
1684: NO_STR
1685: "IS-IS commands\n"
1686: "Set multiplier for Hello holding time\n"
1687: "Specify hello multiplier for level-2 IIHs\n")
1688: {
1689: struct isis_circuit *circuit;
1690: struct interface *ifp;
1691:
1692: ifp = vty->index;
1693: circuit = ifp->info;
1694: if (circuit == NULL)
1695: {
1696: return CMD_WARNING;
1697: }
1698: assert (circuit);
1699:
1700: circuit->hello_multiplier[1] = HELLO_MULTIPLIER;
1701:
1702: return CMD_SUCCESS;
1703: }
1704:
1705: ALIAS (no_isis_hello_multiplier_l2,
1706: no_isis_hello_multiplier_l2_arg_cmd,
1707: "no isis hello-multiplier <3-1000> level-2",
1708: NO_STR
1709: "IS-IS commands\n"
1710: "Set multiplier for Hello holding time\n"
1711: "Hello multiplier value\n"
1712: "Specify hello multiplier for level-2 IIHs\n")
1713:
1714: DEFUN (isis_hello,
1715: isis_hello_cmd,
1716: "isis hello padding",
1717: "IS-IS commands\n"
1718: "Add padding to IS-IS hello packets\n"
1719: "Pad hello packets\n"
1720: "<cr>\n")
1721: {
1722: struct interface *ifp;
1723: struct isis_circuit *circuit;
1724:
1725: ifp = vty->index;
1726: circuit = ifp->info;
1727: if (circuit == NULL)
1728: {
1729: return CMD_WARNING;
1730: }
1731: assert (circuit);
1732:
1733: circuit->u.bc.pad_hellos = 1;
1734:
1735: return CMD_SUCCESS;
1736: }
1737:
1738: DEFUN (no_isis_hello,
1739: no_isis_hello_cmd,
1740: "no isis hello padding",
1741: NO_STR
1742: "IS-IS commands\n"
1743: "Add padding to IS-IS hello packets\n"
1744: "Pad hello packets\n"
1745: "<cr>\n")
1746: {
1747: struct isis_circuit *circuit;
1748: struct interface *ifp;
1749:
1750: ifp = vty->index;
1751: circuit = ifp->info;
1752: if (circuit == NULL)
1753: {
1754: return CMD_WARNING;
1755: }
1756: assert (circuit);
1757:
1758: circuit->u.bc.pad_hellos = 0;
1759:
1760: return CMD_SUCCESS;
1761: }
1762:
1763: DEFUN (csnp_interval,
1764: csnp_interval_cmd,
1765: "isis csnp-interval <0-65535>",
1766: "IS-IS commands\n"
1767: "Set CSNP interval in seconds\n"
1768: "CSNP interval value\n")
1769: {
1770: struct isis_circuit *circuit;
1771: struct interface *ifp;
1772: unsigned long interval;
1773:
1774: ifp = vty->index;
1775: circuit = ifp->info;
1776: if (circuit == NULL)
1777: {
1778: return CMD_WARNING;
1779: }
1780: assert (circuit);
1781:
1782: interval = atol (argv[0]);
1783:
1784: circuit->csnp_interval[0] = (u_int16_t) interval;
1785: circuit->csnp_interval[1] = (u_int16_t) interval;
1786:
1787: return CMD_SUCCESS;
1788: }
1789:
1790: DEFUN (no_csnp_interval,
1791: no_csnp_interval_cmd,
1792: "no isis csnp-interval",
1793: NO_STR
1794: "IS-IS commands\n"
1795: "Set CSNP interval in seconds\n")
1796: {
1797: struct isis_circuit *circuit;
1798: struct interface *ifp;
1799:
1800: ifp = vty->index;
1801: circuit = ifp->info;
1802: if (circuit == NULL)
1803: {
1804: return CMD_WARNING;
1805: }
1806: assert (circuit);
1807:
1808: circuit->csnp_interval[0] = CSNP_INTERVAL;
1809: circuit->csnp_interval[1] = CSNP_INTERVAL;
1810:
1811: return CMD_SUCCESS;
1812: }
1813:
1814: ALIAS (no_csnp_interval,
1815: no_csnp_interval_arg_cmd,
1816: "no isis csnp-interval <0-65535>",
1817: NO_STR
1818: "IS-IS commands\n"
1819: "Set CSNP interval in seconds\n"
1820: "CSNP interval value\n")
1821:
1822: DEFUN (csnp_interval_l1,
1823: csnp_interval_l1_cmd,
1824: "isis csnp-interval <0-65535> level-1",
1825: "IS-IS commands\n"
1826: "Set CSNP interval in seconds\n"
1827: "CSNP interval value\n"
1828: "Specify interval for level-1 CSNPs\n")
1829: {
1830: struct isis_circuit *circuit;
1831: struct interface *ifp;
1832: unsigned long interval;
1833:
1834: ifp = vty->index;
1835: circuit = ifp->info;
1836: if (circuit == NULL)
1837: {
1838: return CMD_WARNING;
1839: }
1840: assert (circuit);
1841:
1842: interval = atol (argv[0]);
1843:
1844: circuit->csnp_interval[0] = (u_int16_t) interval;
1845:
1846: return CMD_SUCCESS;
1847: }
1848:
1849: DEFUN (no_csnp_interval_l1,
1850: no_csnp_interval_l1_cmd,
1851: "no isis csnp-interval level-1",
1852: NO_STR
1853: "IS-IS commands\n"
1854: "Set CSNP interval in seconds\n"
1855: "Specify interval for level-1 CSNPs\n")
1856: {
1857: struct isis_circuit *circuit;
1858: struct interface *ifp;
1859:
1860: ifp = vty->index;
1861: circuit = ifp->info;
1862: if (circuit == NULL)
1863: {
1864: return CMD_WARNING;
1865: }
1866: assert (circuit);
1867:
1868: circuit->csnp_interval[0] = CSNP_INTERVAL;
1869:
1870: return CMD_SUCCESS;
1871: }
1872:
1873: ALIAS (no_csnp_interval_l1,
1874: no_csnp_interval_l1_arg_cmd,
1875: "no isis csnp-interval <0-65535> level-1",
1876: NO_STR
1877: "IS-IS commands\n"
1878: "Set CSNP interval in seconds\n"
1879: "CSNP interval value\n"
1880: "Specify interval for level-1 CSNPs\n")
1881:
1882: DEFUN (csnp_interval_l2,
1883: csnp_interval_l2_cmd,
1884: "isis csnp-interval <0-65535> level-2",
1885: "IS-IS commands\n"
1886: "Set CSNP interval in seconds\n"
1887: "CSNP interval value\n"
1888: "Specify interval for level-2 CSNPs\n")
1889: {
1890: struct isis_circuit *circuit;
1891: struct interface *ifp;
1892: unsigned long interval;
1893:
1894: ifp = vty->index;
1895: circuit = ifp->info;
1896: if (circuit == NULL)
1897: {
1898: return CMD_WARNING;
1899: }
1900: assert (circuit);
1901:
1902: interval = atol (argv[0]);
1903:
1904: circuit->csnp_interval[1] = (u_int16_t) interval;
1905:
1906: return CMD_SUCCESS;
1907: }
1908:
1909: DEFUN (no_csnp_interval_l2,
1910: no_csnp_interval_l2_cmd,
1911: "no isis csnp-interval level-2",
1912: NO_STR
1913: "IS-IS commands\n"
1914: "Set CSNP interval in seconds\n"
1915: "Specify interval for level-2 CSNPs\n")
1916: {
1917: struct isis_circuit *circuit;
1918: struct interface *ifp;
1919:
1920: ifp = vty->index;
1921: circuit = ifp->info;
1922: if (circuit == NULL)
1923: {
1924: return CMD_WARNING;
1925: }
1926: assert (circuit);
1927:
1928: circuit->csnp_interval[1] = CSNP_INTERVAL;
1929:
1930: return CMD_SUCCESS;
1931: }
1932:
1933: ALIAS (no_csnp_interval_l2,
1934: no_csnp_interval_l2_arg_cmd,
1935: "no isis csnp-interval <0-65535> level-2",
1936: NO_STR
1937: "IS-IS commands\n"
1938: "Set CSNP interval in seconds\n"
1939: "CSNP interval value\n"
1940: "Specify interval for level-2 CSNPs\n")
1941:
1942: #ifdef HAVE_IPV6
1943: DEFUN (ipv6_router_isis,
1944: ipv6_router_isis_cmd,
1945: "ipv6 router isis WORD",
1946: "IPv6 interface subcommands\n"
1947: "IPv6 Router interface commands\n"
1948: "IS-IS Routing for IPv6\n"
1949: "Routing process tag\n")
1950: {
1951: struct isis_circuit *c;
1952: struct interface *ifp;
1953: struct isis_area *area;
1954:
1955: ifp = (struct interface *) vty->index;
1956: assert (ifp);
1957:
1958: area = isis_area_lookup (argv[0]);
1959:
1960: /* Prevent more than one circuit per interface */
1961: if (area)
1962: c = circuit_lookup_by_ifp (ifp, area->circuit_list);
1963: else
1964: c = NULL;
1965:
1966: if (c && (ifp->info != NULL))
1967: {
1968: if (c->ipv6_router == 1)
1969: {
1970: vty_out (vty, "ISIS circuit is already defined for IPv6%s",
1971: VTY_NEWLINE);
1972: return CMD_WARNING;
1973: }
1974: }
1975:
1976: /* this is here for ciscopability */
1977: if (!area)
1978: {
1979: vty_out (vty, "Can't find ISIS instance %s", VTY_NEWLINE);
1980: return CMD_WARNING;
1981: }
1982:
1983: if (!c)
1984: {
1985: c = circuit_lookup_by_ifp (ifp, isis->init_circ_list);
1986: c = isis_csm_state_change (ISIS_ENABLE, c, area);
1987: c->interface = ifp;
1988: ifp->info = c;
1989: }
1990:
1991: if (!c)
1992: return CMD_WARNING;
1993:
1994: c->ipv6_router = 1;
1995: area->ipv6_circuits++;
1996: circuit_update_nlpids (c);
1997:
1998: vty->node = INTERFACE_NODE;
1999:
2000: return CMD_SUCCESS;
2001: }
2002:
2003: DEFUN (no_ipv6_router_isis,
2004: no_ipv6_router_isis_cmd,
2005: "no ipv6 router isis WORD",
2006: NO_STR
2007: "IPv6 interface subcommands\n"
2008: "IPv6 Router interface commands\n"
2009: "IS-IS Routing for IPv6\n"
2010: "Routing process tag\n")
2011: {
2012: struct isis_circuit *c;
2013: struct interface *ifp;
2014: struct isis_area *area;
2015:
2016: ifp = (struct interface *) vty->index;
2017: /* UGLY - will remove l8r
2018: if (circuit == NULL) {
2019: return CMD_WARNING;
2020: } */
2021: assert (ifp);
2022:
2023: area = isis_area_lookup (argv[0]);
2024: if (!area)
2025: {
2026: vty_out (vty, "Can't find ISIS instance %s", VTY_NEWLINE);
2027: return CMD_WARNING;
2028: }
2029:
2030: c = circuit_lookup_by_ifp (ifp, area->circuit_list);
2031: if (!c)
2032: return CMD_WARNING;
2033:
2034: c->ipv6_router = 0;
2035: area->ipv6_circuits--;
2036: if (c->ip_router == 0)
2037: isis_csm_state_change (ISIS_DISABLE, c, area);
2038:
2039: return CMD_SUCCESS;
2040: }
2041: #endif /* HAVE_IPV6 */
2042:
2043: static struct cmd_node interface_node = {
2044: INTERFACE_NODE,
2045: "%s(config-if)# ",
2046: 1,
2047: };
2048:
2049: int
2050: isis_if_new_hook (struct interface *ifp)
2051: {
2052: /* FIXME: Discuss if the circuit should be created here
2053: ifp->info = XMALLOC (MTYPE_ISIS_IF_INFO, sizeof (struct isis_if_info)); */
2054: ifp->info = NULL;
2055: return 0;
2056: }
2057:
2058: int
2059: isis_if_delete_hook (struct interface *ifp)
2060: {
2061: /* FIXME: Discuss if the circuit should be created here
2062: XFREE (MTYPE_ISIS_IF_INFO, ifp->info);*/
2063: ifp->info = NULL;
2064: return 0;
2065: }
2066:
2067: void
2068: isis_circuit_init ()
2069: {
2070: /* Initialize Zebra interface data structure */
2071: if_init ();
2072: if_add_hook (IF_NEW_HOOK, isis_if_new_hook);
2073: if_add_hook (IF_DELETE_HOOK, isis_if_delete_hook);
2074:
2075: /* Install interface node */
2076: install_node (&interface_node, isis_interface_config_write);
2077: install_element (CONFIG_NODE, &interface_cmd);
2078:
2079: install_default (INTERFACE_NODE);
2080: install_element (INTERFACE_NODE, &interface_desc_cmd);
2081: install_element (INTERFACE_NODE, &no_interface_desc_cmd);
2082:
2083: install_element (INTERFACE_NODE, &ip_router_isis_cmd);
2084: install_element (INTERFACE_NODE, &no_ip_router_isis_cmd);
2085:
2086: install_element (INTERFACE_NODE, &isis_circuit_type_cmd);
2087: install_element (INTERFACE_NODE, &no_isis_circuit_type_cmd);
2088:
2089: install_element (INTERFACE_NODE, &isis_passwd_cmd);
2090: install_element (INTERFACE_NODE, &no_isis_passwd_cmd);
2091:
2092: install_element (INTERFACE_NODE, &isis_priority_cmd);
2093: install_element (INTERFACE_NODE, &no_isis_priority_cmd);
2094: install_element (INTERFACE_NODE, &no_isis_priority_arg_cmd);
2095: install_element (INTERFACE_NODE, &isis_priority_l1_cmd);
2096: install_element (INTERFACE_NODE, &no_isis_priority_l1_cmd);
2097: install_element (INTERFACE_NODE, &no_isis_priority_l1_arg_cmd);
2098: install_element (INTERFACE_NODE, &isis_priority_l2_cmd);
2099: install_element (INTERFACE_NODE, &no_isis_priority_l2_cmd);
2100: install_element (INTERFACE_NODE, &no_isis_priority_l2_arg_cmd);
2101:
2102: install_element (INTERFACE_NODE, &isis_metric_cmd);
2103: install_element (INTERFACE_NODE, &no_isis_metric_cmd);
2104: install_element (INTERFACE_NODE, &no_isis_metric_arg_cmd);
2105:
2106: install_element (INTERFACE_NODE, &isis_hello_interval_cmd);
2107: install_element (INTERFACE_NODE, &no_isis_hello_interval_cmd);
2108: install_element (INTERFACE_NODE, &no_isis_hello_interval_arg_cmd);
2109: install_element (INTERFACE_NODE, &isis_hello_interval_l1_cmd);
2110: install_element (INTERFACE_NODE, &no_isis_hello_interval_l1_cmd);
2111: install_element (INTERFACE_NODE, &no_isis_hello_interval_l1_arg_cmd);
2112: install_element (INTERFACE_NODE, &isis_hello_interval_l2_cmd);
2113: install_element (INTERFACE_NODE, &no_isis_hello_interval_l2_cmd);
2114: install_element (INTERFACE_NODE, &no_isis_hello_interval_l2_arg_cmd);
2115:
2116: install_element (INTERFACE_NODE, &isis_hello_multiplier_cmd);
2117: install_element (INTERFACE_NODE, &no_isis_hello_multiplier_cmd);
2118: install_element (INTERFACE_NODE, &no_isis_hello_multiplier_arg_cmd);
2119: install_element (INTERFACE_NODE, &isis_hello_multiplier_l1_cmd);
2120: install_element (INTERFACE_NODE, &no_isis_hello_multiplier_l1_cmd);
2121: install_element (INTERFACE_NODE, &no_isis_hello_multiplier_l1_arg_cmd);
2122: install_element (INTERFACE_NODE, &isis_hello_multiplier_l2_cmd);
2123: install_element (INTERFACE_NODE, &no_isis_hello_multiplier_l2_cmd);
2124: install_element (INTERFACE_NODE, &no_isis_hello_multiplier_l2_arg_cmd);
2125:
2126: install_element (INTERFACE_NODE, &isis_hello_cmd);
2127: install_element (INTERFACE_NODE, &no_isis_hello_cmd);
2128: install_element (INTERFACE_NODE, &csnp_interval_cmd);
2129: install_element (INTERFACE_NODE, &no_csnp_interval_cmd);
2130: install_element (INTERFACE_NODE, &no_csnp_interval_arg_cmd);
2131: install_element (INTERFACE_NODE, &csnp_interval_l1_cmd);
2132: install_element (INTERFACE_NODE, &no_csnp_interval_l1_cmd);
2133: install_element (INTERFACE_NODE, &no_csnp_interval_l1_arg_cmd);
2134: install_element (INTERFACE_NODE, &csnp_interval_l2_cmd);
2135: install_element (INTERFACE_NODE, &no_csnp_interval_l2_cmd);
2136: install_element (INTERFACE_NODE, &no_csnp_interval_l2_arg_cmd);
2137:
2138: #ifdef HAVE_IPV6
2139: install_element (INTERFACE_NODE, &ipv6_router_isis_cmd);
2140: install_element (INTERFACE_NODE, &no_ipv6_router_isis_cmd);
2141: #endif
2142: }
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