2 * IS-IS Rout(e)ing protocol - isisd.c
4 * Copyright (C) 2001,2002 Sampo Saaristo
5 * Tampere University of Technology
6 * Institute of Communications Engineering
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)
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
18 * You should have received a copy of the GNU General Public License along
19 * with this program; see the file COPYING; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
38 #include "spf_backoff.h"
40 #include "isisd/dict.h"
41 #include "isisd/isis_constants.h"
42 #include "isisd/isis_common.h"
43 #include "isisd/isis_flags.h"
44 #include "isisd/isis_circuit.h"
45 #include "isisd/isis_csm.h"
46 #include "isisd/isisd.h"
47 #include "isisd/isis_dynhn.h"
48 #include "isisd/isis_adjacency.h"
49 #include "isisd/isis_pdu.h"
50 #include "isisd/isis_misc.h"
51 #include "isisd/isis_constants.h"
52 #include "isisd/isis_lsp.h"
53 #include "isisd/isis_spf.h"
54 #include "isisd/isis_route.h"
55 #include "isisd/isis_zebra.h"
56 #include "isisd/isis_events.h"
57 #include "isisd/isis_te.h"
58 #include "isisd/isis_mt.h"
59 #include "isisd/fabricd.h"
61 struct isis
*isis
= NULL
;
63 DEFINE_QOBJ_TYPE(isis
)
64 DEFINE_QOBJ_TYPE(isis_area
)
69 int isis_area_get(struct vty
*, const char *);
70 int isis_area_destroy(struct vty
*, const char *);
71 int area_net_title(struct vty
*, const char *);
72 int area_clear_net_title(struct vty
*, const char *);
73 int show_isis_interface_common(struct vty
*, const char *ifname
, char);
74 int show_isis_neighbor_common(struct vty
*, const char *id
, char);
75 int clear_isis_neighbor_common(struct vty
*, const char *id
);
76 int isis_config_write(struct vty
*);
79 void isis_new(unsigned long process_id
)
81 isis
= XCALLOC(MTYPE_ISIS
, sizeof(struct isis
));
85 isis
->max_area_addrs
= 3;
86 isis
->process_id
= process_id
;
88 isis
->area_list
= list_new();
89 isis
->init_circ_list
= list_new();
90 isis
->uptime
= time(NULL
);
91 isis
->nexthops
= list_new();
92 isis
->nexthops6
= list_new();
95 * uncomment the next line for full debugs
97 /* isis->debugs = 0xFFFF; */
98 isisMplsTE
.status
= disable
; /* Only support TE metric */
100 QOBJ_REG(isis
, isis
);
103 struct isis_area
*isis_area_create(const char *area_tag
)
105 struct isis_area
*area
;
107 area
= XCALLOC(MTYPE_ISIS_AREA
, sizeof(struct isis_area
));
110 * Fabricd runs only as level-2.
111 * For IS-IS, the first instance is level-1-2 rest are level-1,
112 * unless otherwise configured
115 area
->is_type
= IS_LEVEL_2
;
116 } else if (listcount(isis
->area_list
) > 0)
117 area
->is_type
= IS_LEVEL_1
;
119 area
->is_type
= IS_LEVEL_1_AND_2
;
122 * intialize the databases
124 if (area
->is_type
& IS_LEVEL_1
) {
125 area
->lspdb
[0] = lsp_db_init();
127 if (area
->is_type
& IS_LEVEL_2
) {
128 area
->lspdb
[1] = lsp_db_init();
131 spftree_area_init(area
);
133 area
->circuit_list
= list_new();
134 area
->area_addrs
= list_new();
135 thread_add_timer(master
, lsp_tick
, area
, 1, &area
->t_tick
);
136 flags_initialize(&area
->flags
);
141 area
->max_lsp_lifetime
[0] = DEFAULT_LSP_LIFETIME
; /* 1200 */
142 area
->max_lsp_lifetime
[1] = DEFAULT_LSP_LIFETIME
; /* 1200 */
143 area
->lsp_refresh
[0] = DEFAULT_MAX_LSP_GEN_INTERVAL
; /* 900 */
144 area
->lsp_refresh
[1] = DEFAULT_MAX_LSP_GEN_INTERVAL
; /* 900 */
145 area
->lsp_gen_interval
[0] = DEFAULT_MIN_LSP_GEN_INTERVAL
;
146 area
->lsp_gen_interval
[1] = DEFAULT_MIN_LSP_GEN_INTERVAL
;
147 area
->min_spf_interval
[0] = MINIMUM_SPF_INTERVAL
;
148 area
->min_spf_interval
[1] = MINIMUM_SPF_INTERVAL
;
149 area
->dynhostname
= 1;
152 area
->lsp_frag_threshold
= 90;
153 area
->lsp_mtu
= DEFAULT_LSP_MTU
;
157 area
->area_tag
= strdup(area_tag
);
158 listnode_add(isis
->area_list
, area
);
162 area
->fabricd
= fabricd_new(area
);
164 area
->lsp_refresh_arg
[0].area
= area
;
165 area
->lsp_refresh_arg
[0].level
= IS_LEVEL_1
;
166 area
->lsp_refresh_arg
[1].area
= area
;
167 area
->lsp_refresh_arg
[1].level
= IS_LEVEL_2
;
170 QOBJ_REG(area
, isis_area
);
175 struct isis_area
*isis_area_lookup(const char *area_tag
)
177 struct isis_area
*area
;
178 struct listnode
*node
;
180 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
))
181 if ((area
->area_tag
== NULL
&& area_tag
== NULL
)
182 || (area
->area_tag
&& area_tag
183 && strcmp(area
->area_tag
, area_tag
) == 0))
189 int isis_area_get(struct vty
*vty
, const char *area_tag
)
191 struct isis_area
*area
;
193 area
= isis_area_lookup(area_tag
);
196 VTY_PUSH_CONTEXT(ROUTER_NODE
, area
);
200 area
= isis_area_create(area_tag
);
202 if (isis
->debugs
& DEBUG_EVENTS
)
203 zlog_debug("New IS-IS area instance %s", area
->area_tag
);
205 VTY_PUSH_CONTEXT(ROUTER_NODE
, area
);
210 int isis_area_destroy(struct vty
*vty
, const char *area_tag
)
212 struct isis_area
*area
;
213 struct listnode
*node
, *nnode
;
214 struct isis_circuit
*circuit
;
215 struct area_addr
*addr
;
217 area
= isis_area_lookup(area_tag
);
220 vty_out(vty
, "Can't find ISIS instance \n");
221 return CMD_ERR_NO_MATCH
;
227 fabricd_finish(area
->fabricd
);
229 if (area
->circuit_list
) {
230 for (ALL_LIST_ELEMENTS(area
->circuit_list
, node
, nnode
,
232 circuit
->ip_router
= 0;
233 circuit
->ipv6_router
= 0;
234 isis_csm_state_change(ISIS_DISABLE
, circuit
, area
);
236 list_delete(&area
->circuit_list
);
239 if (area
->lspdb
[0] != NULL
) {
240 lsp_db_destroy(area
->lspdb
[0]);
241 area
->lspdb
[0] = NULL
;
243 if (area
->lspdb
[1] != NULL
) {
244 lsp_db_destroy(area
->lspdb
[1]);
245 area
->lspdb
[1] = NULL
;
248 /* invalidate and verify to delete all routes from zebra */
249 isis_area_invalidate_routes(area
, ISIS_LEVEL1
& ISIS_LEVEL2
);
250 isis_area_verify_routes(area
);
252 spftree_area_del(area
);
254 THREAD_TIMER_OFF(area
->spf_timer
[0]);
255 THREAD_TIMER_OFF(area
->spf_timer
[1]);
257 spf_backoff_free(area
->spf_delay_ietf
[0]);
258 spf_backoff_free(area
->spf_delay_ietf
[1]);
260 isis_redist_area_finish(area
);
262 for (ALL_LIST_ELEMENTS(area
->area_addrs
, node
, nnode
, addr
)) {
263 list_delete_node(area
->area_addrs
, node
);
264 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
266 area
->area_addrs
= NULL
;
268 THREAD_TIMER_OFF(area
->t_tick
);
269 THREAD_TIMER_OFF(area
->t_lsp_refresh
[0]);
270 THREAD_TIMER_OFF(area
->t_lsp_refresh
[1]);
272 thread_cancel_event(master
, area
);
274 listnode_delete(isis
->area_list
, area
);
276 free(area
->area_tag
);
278 area_mt_finish(area
);
280 XFREE(MTYPE_ISIS_AREA
, area
);
282 if (listcount(isis
->area_list
) == 0) {
283 memset(isis
->sysid
, 0, ISIS_SYS_ID_LEN
);
290 static void area_set_mt_enabled(struct isis_area
*area
, uint16_t mtid
,
293 struct isis_area_mt_setting
*setting
;
295 setting
= area_get_mt_setting(area
, mtid
);
296 if (setting
->enabled
!= enabled
) {
297 setting
->enabled
= enabled
;
298 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 0);
302 static void area_set_mt_overload(struct isis_area
*area
, uint16_t mtid
,
305 struct isis_area_mt_setting
*setting
;
307 setting
= area_get_mt_setting(area
, mtid
);
308 if (setting
->overload
!= overload
) {
309 setting
->overload
= overload
;
310 if (setting
->enabled
)
311 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
,
316 int area_net_title(struct vty
*vty
, const char *net_title
)
318 VTY_DECLVAR_CONTEXT(isis_area
, area
);
319 struct area_addr
*addr
;
320 struct area_addr
*addrp
;
321 struct listnode
*node
;
325 /* We check that we are not over the maximal number of addresses */
326 if (listcount(area
->area_addrs
) >= isis
->max_area_addrs
) {
328 "Maximum of area addresses (%d) already reached \n",
329 isis
->max_area_addrs
);
330 return CMD_ERR_NOTHING_TODO
;
333 addr
= XMALLOC(MTYPE_ISIS_AREA_ADDR
, sizeof(struct area_addr
));
334 addr
->addr_len
= dotformat2buff(buff
, net_title
);
335 memcpy(addr
->area_addr
, buff
, addr
->addr_len
);
337 zlog_debug("added area address %s for area %s (address length %d)",
338 net_title
, area
->area_tag
, addr
->addr_len
);
339 #endif /* EXTREME_DEBUG */
340 if (addr
->addr_len
< 8 || addr
->addr_len
> 20) {
342 "area address must be at least 8..20 octets long (%d)\n",
344 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
345 return CMD_WARNING_CONFIG_FAILED
;
348 if (addr
->area_addr
[addr
->addr_len
- 1] != 0) {
350 "nsel byte (last byte) in area address must be 0\n");
351 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
352 return CMD_WARNING_CONFIG_FAILED
;
355 if (isis
->sysid_set
== 0) {
357 * First area address - get the SystemID for this router
359 memcpy(isis
->sysid
, GETSYSID(addr
), ISIS_SYS_ID_LEN
);
361 if (isis
->debugs
& DEBUG_EVENTS
)
362 zlog_debug("Router has SystemID %s",
363 sysid_print(isis
->sysid
));
366 * Check that the SystemID portions match
368 if (memcmp(isis
->sysid
, GETSYSID(addr
), ISIS_SYS_ID_LEN
)) {
370 "System ID must not change when defining additional area addresses\n");
371 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
372 return CMD_WARNING_CONFIG_FAILED
;
375 /* now we see that we don't already have this address */
376 for (ALL_LIST_ELEMENTS_RO(area
->area_addrs
, node
, addrp
)) {
377 if ((addrp
->addr_len
+ ISIS_SYS_ID_LEN
+ ISIS_NSEL_LEN
)
380 if (!memcmp(addrp
->area_addr
, addr
->area_addr
,
382 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
383 return CMD_SUCCESS
; /* silent fail */
389 * Forget the systemID part of the address
391 addr
->addr_len
-= (ISIS_SYS_ID_LEN
+ ISIS_NSEL_LEN
);
392 listnode_add(area
->area_addrs
, addr
);
394 /* only now we can safely generate our LSPs for this area */
395 if (listcount(area
->area_addrs
) > 0) {
396 if (area
->is_type
& IS_LEVEL_1
)
397 lsp_generate(area
, IS_LEVEL_1
);
398 if (area
->is_type
& IS_LEVEL_2
)
399 lsp_generate(area
, IS_LEVEL_2
);
405 int area_clear_net_title(struct vty
*vty
, const char *net_title
)
407 VTY_DECLVAR_CONTEXT(isis_area
, area
);
408 struct area_addr addr
, *addrp
= NULL
;
409 struct listnode
*node
;
412 addr
.addr_len
= dotformat2buff(buff
, net_title
);
413 if (addr
.addr_len
< 8 || addr
.addr_len
> 20) {
415 "Unsupported area address length %d, should be 8...20 \n",
417 return CMD_WARNING_CONFIG_FAILED
;
420 memcpy(addr
.area_addr
, buff
, (int)addr
.addr_len
);
422 for (ALL_LIST_ELEMENTS_RO(area
->area_addrs
, node
, addrp
))
423 if ((addrp
->addr_len
+ ISIS_SYS_ID_LEN
+ 1) == addr
.addr_len
424 && !memcmp(addrp
->area_addr
, addr
.area_addr
, addr
.addr_len
))
428 vty_out(vty
, "No area address %s for area %s \n", net_title
,
430 return CMD_ERR_NO_MATCH
;
433 listnode_delete(area
->area_addrs
, addrp
);
434 XFREE(MTYPE_ISIS_AREA_ADDR
, addrp
);
437 * Last area address - reset the SystemID for this router
439 if (listcount(area
->area_addrs
) == 0) {
440 memset(isis
->sysid
, 0, ISIS_SYS_ID_LEN
);
442 if (isis
->debugs
& DEBUG_EVENTS
)
443 zlog_debug("Router has no SystemID");
450 * 'show isis interface' command
453 int show_isis_interface_common(struct vty
*vty
, const char *ifname
, char detail
)
455 struct listnode
*anode
, *cnode
;
456 struct isis_area
*area
;
457 struct isis_circuit
*circuit
;
460 vty_out(vty
, "IS-IS Routing Process not enabled\n");
464 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, anode
, area
)) {
465 vty_out(vty
, "Area %s:\n", area
->area_tag
);
467 if (detail
== ISIS_UI_LEVEL_BRIEF
)
469 " Interface CircId State Type Level\n");
471 for (ALL_LIST_ELEMENTS_RO(area
->circuit_list
, cnode
, circuit
))
473 isis_circuit_print_vty(circuit
, vty
, detail
);
474 else if (strcmp(circuit
->interface
->name
, ifname
) == 0)
475 isis_circuit_print_vty(circuit
, vty
, detail
);
481 DEFUN (show_isis_interface
,
482 show_isis_interface_cmd
,
483 "show " PROTO_NAME
" interface",
488 return show_isis_interface_common(vty
, NULL
, ISIS_UI_LEVEL_BRIEF
);
491 DEFUN (show_isis_interface_detail
,
492 show_isis_interface_detail_cmd
,
493 "show " PROTO_NAME
" interface detail",
497 "show detailed information\n")
499 return show_isis_interface_common(vty
, NULL
, ISIS_UI_LEVEL_DETAIL
);
502 DEFUN (show_isis_interface_arg
,
503 show_isis_interface_arg_cmd
,
504 "show " PROTO_NAME
" interface WORD",
508 "ISIS interface name\n")
511 return show_isis_interface_common(vty
, argv
[idx_word
]->arg
,
512 ISIS_UI_LEVEL_DETAIL
);
516 * 'show isis neighbor' command
519 int show_isis_neighbor_common(struct vty
*vty
, const char *id
, char detail
)
521 struct listnode
*anode
, *cnode
, *node
;
522 struct isis_area
*area
;
523 struct isis_circuit
*circuit
;
525 struct isis_adjacency
*adj
;
526 struct isis_dynhn
*dynhn
;
527 uint8_t sysid
[ISIS_SYS_ID_LEN
];
531 vty_out(vty
, "IS-IS Routing Process not enabled\n");
535 memset(sysid
, 0, ISIS_SYS_ID_LEN
);
537 if (sysid2buff(sysid
, id
) == 0) {
538 dynhn
= dynhn_find_by_name(id
);
540 vty_out(vty
, "Invalid system id %s\n", id
);
543 memcpy(sysid
, dynhn
->id
, ISIS_SYS_ID_LEN
);
547 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, anode
, area
)) {
548 vty_out(vty
, "Area %s:\n", area
->area_tag
);
550 if (detail
== ISIS_UI_LEVEL_BRIEF
)
552 " System Id Interface L State Holdtime SNPA\n");
554 for (ALL_LIST_ELEMENTS_RO(area
->circuit_list
, cnode
, circuit
)) {
555 if (circuit
->circ_type
== CIRCUIT_T_BROADCAST
) {
556 for (i
= 0; i
< 2; i
++) {
557 adjdb
= circuit
->u
.bc
.adjdb
[i
];
558 if (adjdb
&& adjdb
->count
) {
559 for (ALL_LIST_ELEMENTS_RO(
562 || !memcmp(adj
->sysid
,
571 } else if (circuit
->circ_type
== CIRCUIT_T_P2P
572 && circuit
->u
.p2p
.neighbor
) {
573 adj
= circuit
->u
.p2p
.neighbor
;
575 || !memcmp(adj
->sysid
, sysid
,
577 isis_adj_print_vty(adj
, vty
, detail
);
586 * 'clear isis neighbor' command
588 int clear_isis_neighbor_common(struct vty
*vty
, const char *id
)
590 struct listnode
*anode
, *cnode
, *cnextnode
, *node
, *nnode
;
591 struct isis_area
*area
;
592 struct isis_circuit
*circuit
;
594 struct isis_adjacency
*adj
;
595 struct isis_dynhn
*dynhn
;
596 uint8_t sysid
[ISIS_SYS_ID_LEN
];
600 vty_out(vty
, "IS-IS Routing Process not enabled\n");
604 memset(sysid
, 0, ISIS_SYS_ID_LEN
);
606 if (sysid2buff(sysid
, id
) == 0) {
607 dynhn
= dynhn_find_by_name(id
);
609 vty_out(vty
, "Invalid system id %s\n", id
);
612 memcpy(sysid
, dynhn
->id
, ISIS_SYS_ID_LEN
);
616 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, anode
, area
)) {
617 for (ALL_LIST_ELEMENTS(area
->circuit_list
, cnode
, cnextnode
,
619 if (circuit
->circ_type
== CIRCUIT_T_BROADCAST
) {
620 for (i
= 0; i
< 2; i
++) {
621 adjdb
= circuit
->u
.bc
.adjdb
[i
];
622 if (adjdb
&& adjdb
->count
) {
623 for (ALL_LIST_ELEMENTS(
627 || !memcmp(adj
->sysid
,
630 isis_adj_state_change(
633 "clear user request");
636 } else if (circuit
->circ_type
== CIRCUIT_T_P2P
637 && circuit
->u
.p2p
.neighbor
) {
638 adj
= circuit
->u
.p2p
.neighbor
;
640 || !memcmp(adj
->sysid
, sysid
,
642 isis_adj_state_change(
644 "clear user request");
652 DEFUN (show_isis_neighbor
,
653 show_isis_neighbor_cmd
,
654 "show " PROTO_NAME
" neighbor",
657 "ISIS neighbor adjacencies\n")
659 return show_isis_neighbor_common(vty
, NULL
, ISIS_UI_LEVEL_BRIEF
);
662 DEFUN (show_isis_neighbor_detail
,
663 show_isis_neighbor_detail_cmd
,
664 "show " PROTO_NAME
" neighbor detail",
667 "ISIS neighbor adjacencies\n"
668 "show detailed information\n")
670 return show_isis_neighbor_common(vty
, NULL
, ISIS_UI_LEVEL_DETAIL
);
673 DEFUN (show_isis_neighbor_arg
,
674 show_isis_neighbor_arg_cmd
,
675 "show " PROTO_NAME
" neighbor WORD",
678 "ISIS neighbor adjacencies\n"
682 return show_isis_neighbor_common(vty
, argv
[idx_word
]->arg
,
683 ISIS_UI_LEVEL_DETAIL
);
686 DEFUN (clear_isis_neighbor
,
687 clear_isis_neighbor_cmd
,
688 "clear " PROTO_NAME
" neighbor",
691 "ISIS neighbor adjacencies\n")
693 return clear_isis_neighbor_common(vty
, NULL
);
696 DEFUN (clear_isis_neighbor_arg
,
697 clear_isis_neighbor_arg_cmd
,
698 "clear " PROTO_NAME
" neighbor WORD",
701 "ISIS neighbor adjacencies\n"
705 return clear_isis_neighbor_common(vty
, argv
[idx_word
]->arg
);
709 * 'isis debug', 'show debugging'
711 void print_debug(struct vty
*vty
, int flags
, int onoff
)
715 strcpy(onoffs
, "on");
717 strcpy(onoffs
, "off");
719 if (flags
& DEBUG_ADJ_PACKETS
)
721 "IS-IS Adjacency related packets debugging is %s\n",
723 if (flags
& DEBUG_TX_QUEUE
)
724 vty_out(vty
, "IS-IS TX queue debugging is %s\n",
726 if (flags
& DEBUG_SNP_PACKETS
)
727 vty_out(vty
, "IS-IS CSNP/PSNP packets debugging is %s\n",
729 if (flags
& DEBUG_SPF_EVENTS
)
730 vty_out(vty
, "IS-IS SPF events debugging is %s\n", onoffs
);
731 if (flags
& DEBUG_UPDATE_PACKETS
)
732 vty_out(vty
, "IS-IS Update related packet debugging is %s\n",
734 if (flags
& DEBUG_RTE_EVENTS
)
735 vty_out(vty
, "IS-IS Route related debuggin is %s\n", onoffs
);
736 if (flags
& DEBUG_EVENTS
)
737 vty_out(vty
, "IS-IS Event debugging is %s\n", onoffs
);
738 if (flags
& DEBUG_PACKET_DUMP
)
739 vty_out(vty
, "IS-IS Packet dump debugging is %s\n", onoffs
);
740 if (flags
& DEBUG_LSP_GEN
)
741 vty_out(vty
, "IS-IS LSP generation debugging is %s\n", onoffs
);
742 if (flags
& DEBUG_LSP_SCHED
)
743 vty_out(vty
, "IS-IS LSP scheduling debugging is %s\n", onoffs
);
744 if (flags
& DEBUG_FLOODING
)
745 vty_out(vty
, "IS-IS Flooding debugging is %s\n", onoffs
);
746 if (flags
& DEBUG_BFD
)
747 vty_out(vty
, "IS-IS BFD debugging is %s\n", onoffs
);
750 DEFUN_NOSH (show_debugging
,
751 show_debugging_isis_cmd
,
752 "show debugging [" PROTO_NAME
"]",
754 "State of each debugging option\n"
757 vty_out(vty
, PROTO_NAME
" debugging status:\n");
760 print_debug(vty
, isis
->debugs
, 1);
766 static struct cmd_node debug_node
= {DEBUG_NODE
, "", 1};
768 static int config_write_debug(struct vty
*vty
)
771 int flags
= isis
->debugs
;
773 if (flags
& DEBUG_ADJ_PACKETS
) {
774 vty_out(vty
, "debug " PROTO_NAME
" adj-packets\n");
777 if (flags
& DEBUG_TX_QUEUE
) {
778 vty_out(vty
, "debug " PROTO_NAME
" tx-queue\n");
781 if (flags
& DEBUG_SNP_PACKETS
) {
782 vty_out(vty
, "debug " PROTO_NAME
" snp-packets\n");
785 if (flags
& DEBUG_SPF_EVENTS
) {
786 vty_out(vty
, "debug " PROTO_NAME
" spf-events\n");
789 if (flags
& DEBUG_UPDATE_PACKETS
) {
790 vty_out(vty
, "debug " PROTO_NAME
" update-packets\n");
793 if (flags
& DEBUG_RTE_EVENTS
) {
794 vty_out(vty
, "debug " PROTO_NAME
" route-events\n");
797 if (flags
& DEBUG_EVENTS
) {
798 vty_out(vty
, "debug " PROTO_NAME
" events\n");
801 if (flags
& DEBUG_PACKET_DUMP
) {
802 vty_out(vty
, "debug " PROTO_NAME
" packet-dump\n");
805 if (flags
& DEBUG_LSP_GEN
) {
806 vty_out(vty
, "debug " PROTO_NAME
" lsp-gen\n");
809 if (flags
& DEBUG_LSP_SCHED
) {
810 vty_out(vty
, "debug " PROTO_NAME
" lsp-sched\n");
813 if (flags
& DEBUG_FLOODING
) {
814 vty_out(vty
, "debug " PROTO_NAME
" flooding\n");
817 if (flags
& DEBUG_BFD
) {
818 vty_out(vty
, "debug " PROTO_NAME
" bfd\n");
821 write
+= spf_backoff_write_config(vty
);
826 DEFUN (debug_isis_adj
,
828 "debug " PROTO_NAME
" adj-packets",
831 "IS-IS Adjacency related packets\n")
833 isis
->debugs
|= DEBUG_ADJ_PACKETS
;
834 print_debug(vty
, DEBUG_ADJ_PACKETS
, 1);
839 DEFUN (no_debug_isis_adj
,
840 no_debug_isis_adj_cmd
,
841 "no debug " PROTO_NAME
" adj-packets",
845 "IS-IS Adjacency related packets\n")
847 isis
->debugs
&= ~DEBUG_ADJ_PACKETS
;
848 print_debug(vty
, DEBUG_ADJ_PACKETS
, 0);
853 DEFUN (debug_isis_tx_queue
,
854 debug_isis_tx_queue_cmd
,
855 "debug " PROTO_NAME
" tx-queue",
860 isis
->debugs
|= DEBUG_TX_QUEUE
;
861 print_debug(vty
, DEBUG_TX_QUEUE
, 1);
866 DEFUN (no_debug_isis_tx_queue
,
867 no_debug_isis_tx_queue_cmd
,
868 "no debug " PROTO_NAME
" tx-queue",
874 isis
->debugs
&= ~DEBUG_TX_QUEUE
;
875 print_debug(vty
, DEBUG_TX_QUEUE
, 0);
880 DEFUN (debug_isis_flooding
,
881 debug_isis_flooding_cmd
,
882 "debug " PROTO_NAME
" flooding",
885 "Flooding algorithm\n")
887 isis
->debugs
|= DEBUG_FLOODING
;
888 print_debug(vty
, DEBUG_FLOODING
, 1);
893 DEFUN (no_debug_isis_flooding
,
894 no_debug_isis_flooding_cmd
,
895 "no debug " PROTO_NAME
" flooding",
899 "Flooding algorithm\n")
901 isis
->debugs
&= ~DEBUG_FLOODING
;
902 print_debug(vty
, DEBUG_FLOODING
, 0);
907 DEFUN (debug_isis_snp
,
909 "debug " PROTO_NAME
" snp-packets",
912 "IS-IS CSNP/PSNP packets\n")
914 isis
->debugs
|= DEBUG_SNP_PACKETS
;
915 print_debug(vty
, DEBUG_SNP_PACKETS
, 1);
920 DEFUN (no_debug_isis_snp
,
921 no_debug_isis_snp_cmd
,
922 "no debug " PROTO_NAME
" snp-packets",
926 "IS-IS CSNP/PSNP packets\n")
928 isis
->debugs
&= ~DEBUG_SNP_PACKETS
;
929 print_debug(vty
, DEBUG_SNP_PACKETS
, 0);
934 DEFUN (debug_isis_upd
,
936 "debug " PROTO_NAME
" update-packets",
939 "IS-IS Update related packets\n")
941 isis
->debugs
|= DEBUG_UPDATE_PACKETS
;
942 print_debug(vty
, DEBUG_UPDATE_PACKETS
, 1);
947 DEFUN (no_debug_isis_upd
,
948 no_debug_isis_upd_cmd
,
949 "no debug " PROTO_NAME
" update-packets",
953 "IS-IS Update related packets\n")
955 isis
->debugs
&= ~DEBUG_UPDATE_PACKETS
;
956 print_debug(vty
, DEBUG_UPDATE_PACKETS
, 0);
961 DEFUN (debug_isis_spfevents
,
962 debug_isis_spfevents_cmd
,
963 "debug " PROTO_NAME
" spf-events",
966 "IS-IS Shortest Path First Events\n")
968 isis
->debugs
|= DEBUG_SPF_EVENTS
;
969 print_debug(vty
, DEBUG_SPF_EVENTS
, 1);
974 DEFUN (no_debug_isis_spfevents
,
975 no_debug_isis_spfevents_cmd
,
976 "no debug " PROTO_NAME
" spf-events",
980 "IS-IS Shortest Path First Events\n")
982 isis
->debugs
&= ~DEBUG_SPF_EVENTS
;
983 print_debug(vty
, DEBUG_SPF_EVENTS
, 0);
988 DEFUN (debug_isis_rtevents
,
989 debug_isis_rtevents_cmd
,
990 "debug " PROTO_NAME
" route-events",
993 "IS-IS Route related events\n")
995 isis
->debugs
|= DEBUG_RTE_EVENTS
;
996 print_debug(vty
, DEBUG_RTE_EVENTS
, 1);
1001 DEFUN (no_debug_isis_rtevents
,
1002 no_debug_isis_rtevents_cmd
,
1003 "no debug " PROTO_NAME
" route-events",
1007 "IS-IS Route related events\n")
1009 isis
->debugs
&= ~DEBUG_RTE_EVENTS
;
1010 print_debug(vty
, DEBUG_RTE_EVENTS
, 0);
1015 DEFUN (debug_isis_events
,
1016 debug_isis_events_cmd
,
1017 "debug " PROTO_NAME
" events",
1022 isis
->debugs
|= DEBUG_EVENTS
;
1023 print_debug(vty
, DEBUG_EVENTS
, 1);
1028 DEFUN (no_debug_isis_events
,
1029 no_debug_isis_events_cmd
,
1030 "no debug " PROTO_NAME
" events",
1036 isis
->debugs
&= ~DEBUG_EVENTS
;
1037 print_debug(vty
, DEBUG_EVENTS
, 0);
1042 DEFUN (debug_isis_packet_dump
,
1043 debug_isis_packet_dump_cmd
,
1044 "debug " PROTO_NAME
" packet-dump",
1047 "IS-IS packet dump\n")
1049 isis
->debugs
|= DEBUG_PACKET_DUMP
;
1050 print_debug(vty
, DEBUG_PACKET_DUMP
, 1);
1055 DEFUN (no_debug_isis_packet_dump
,
1056 no_debug_isis_packet_dump_cmd
,
1057 "no debug " PROTO_NAME
" packet-dump",
1061 "IS-IS packet dump\n")
1063 isis
->debugs
&= ~DEBUG_PACKET_DUMP
;
1064 print_debug(vty
, DEBUG_PACKET_DUMP
, 0);
1069 DEFUN (debug_isis_lsp_gen
,
1070 debug_isis_lsp_gen_cmd
,
1071 "debug " PROTO_NAME
" lsp-gen",
1074 "IS-IS generation of own LSPs\n")
1076 isis
->debugs
|= DEBUG_LSP_GEN
;
1077 print_debug(vty
, DEBUG_LSP_GEN
, 1);
1082 DEFUN (no_debug_isis_lsp_gen
,
1083 no_debug_isis_lsp_gen_cmd
,
1084 "no debug " PROTO_NAME
" lsp-gen",
1088 "IS-IS generation of own LSPs\n")
1090 isis
->debugs
&= ~DEBUG_LSP_GEN
;
1091 print_debug(vty
, DEBUG_LSP_GEN
, 0);
1096 DEFUN (debug_isis_lsp_sched
,
1097 debug_isis_lsp_sched_cmd
,
1098 "debug " PROTO_NAME
" lsp-sched",
1101 "IS-IS scheduling of LSP generation\n")
1103 isis
->debugs
|= DEBUG_LSP_SCHED
;
1104 print_debug(vty
, DEBUG_LSP_SCHED
, 1);
1109 DEFUN (no_debug_isis_lsp_sched
,
1110 no_debug_isis_lsp_sched_cmd
,
1111 "no debug " PROTO_NAME
" lsp-sched",
1115 "IS-IS scheduling of LSP generation\n")
1117 isis
->debugs
&= ~DEBUG_LSP_SCHED
;
1118 print_debug(vty
, DEBUG_LSP_SCHED
, 0);
1123 DEFUN (debug_isis_bfd
,
1125 "debug " PROTO_NAME
" bfd",
1128 PROTO_NAME
" interaction with BFD\n")
1130 isis
->debugs
|= DEBUG_BFD
;
1131 print_debug(vty
, DEBUG_BFD
, 1);
1136 DEFUN (no_debug_isis_bfd
,
1137 no_debug_isis_bfd_cmd
,
1138 "no debug " PROTO_NAME
" bfd",
1142 PROTO_NAME
" interaction with BFD\n")
1144 isis
->debugs
&= ~DEBUG_BFD
;
1145 print_debug(vty
, DEBUG_BFD
, 0);
1150 DEFUN (show_hostname
,
1152 "show " PROTO_NAME
" hostname",
1155 "IS-IS Dynamic hostname mapping\n")
1157 dynhn_print_all(vty
);
1162 DEFUN (show_isis_spf_ietf
,
1163 show_isis_spf_ietf_cmd
,
1164 "show " PROTO_NAME
" spf-delay-ietf",
1167 "SPF delay IETF information\n")
1170 vty_out(vty
, "ISIS is not running\n");
1174 struct listnode
*node
;
1175 struct isis_area
*area
;
1177 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
)) {
1178 vty_out(vty
, "Area %s:\n",
1179 area
->area_tag
? area
->area_tag
: "null");
1181 for (int level
= ISIS_LEVEL1
; level
<= ISIS_LEVELS
; level
++) {
1182 if ((area
->is_type
& level
) == 0)
1185 vty_out(vty
, " Level-%d:\n", level
);
1186 vty_out(vty
, " SPF delay status: ");
1187 if (area
->spf_timer
[level
- 1]) {
1188 struct timeval remain
= thread_timer_remain(
1189 area
->spf_timer
[level
- 1]);
1190 vty_out(vty
, "Pending, due in %lld msec\n",
1191 (long long)remain
.tv_sec
* 1000
1192 + remain
.tv_usec
/ 1000);
1194 vty_out(vty
, "Not scheduled\n");
1197 if (area
->spf_delay_ietf
[level
- 1]) {
1199 " Using draft-ietf-rtgwg-backoff-algo-04\n");
1201 area
->spf_delay_ietf
[level
- 1], vty
,
1204 vty_out(vty
, " Using legacy backoff algo\n");
1211 DEFUN (show_isis_summary
,
1212 show_isis_summary_cmd
,
1213 "show " PROTO_NAME
" summary",
1214 SHOW_STR PROTO_HELP
"summary\n")
1216 struct listnode
*node
, *node2
;
1217 struct isis_area
*area
;
1221 vty_out(vty
, PROTO_NAME
" is not running\n");
1225 vty_out(vty
, "Process Id : %ld\n", isis
->process_id
);
1226 if (isis
->sysid_set
)
1227 vty_out(vty
, "System Id : %s\n",
1228 sysid_print(isis
->sysid
));
1230 vty_out(vty
, "Up time : ");
1231 vty_out_timestr(vty
, isis
->uptime
);
1234 if (isis
->area_list
)
1235 vty_out(vty
, "Number of areas : %d\n", isis
->area_list
->count
);
1237 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
)) {
1238 vty_out(vty
, "Area %s:\n",
1239 area
->area_tag
? area
->area_tag
: "null");
1242 uint8_t tier
= fabricd_tier(area
);
1243 if (tier
== ISIS_TIER_UNDEFINED
)
1244 vty_out(vty
, " Tier: undefined\n");
1246 vty_out(vty
, " Tier: %" PRIu8
"\n", tier
);
1249 if (listcount(area
->area_addrs
) > 0) {
1250 struct area_addr
*area_addr
;
1251 for (ALL_LIST_ELEMENTS_RO(area
->area_addrs
, node2
,
1253 vty_out(vty
, " Net: %s\n",
1254 isonet_print(area_addr
->area_addr
,
1261 vty_out(vty
, " TX counters per PDU type:\n");
1262 pdu_counter_print(vty
, " ", area
->pdu_tx_counters
);
1263 vty_out(vty
, " LSP RXMT: %" PRIu64
"\n",
1264 area
->lsp_rxmt_count
);
1265 vty_out(vty
, " RX counters per PDU type:\n");
1266 pdu_counter_print(vty
, " ", area
->pdu_rx_counters
);
1268 for (level
= ISIS_LEVEL1
; level
<= ISIS_LEVELS
; level
++) {
1269 if ((area
->is_type
& level
) == 0)
1272 vty_out(vty
, " Level-%d:\n", level
);
1274 vty_out(vty
, " LSP0 regenerated: %" PRIu64
"\n",
1275 area
->lsp_gen_count
[level
- 1]);
1277 vty_out(vty
, " LSPs purged: %" PRIu64
"\n",
1278 area
->lsp_purge_count
[level
- 1]);
1280 if (area
->spf_timer
[level
- 1])
1281 vty_out(vty
, " SPF: (pending)\n");
1283 vty_out(vty
, " SPF:\n");
1285 vty_out(vty
, " minimum interval : %d",
1286 area
->min_spf_interval
[level
- 1]);
1287 if (area
->spf_delay_ietf
[level
- 1])
1289 " (not used, IETF SPF delay activated)");
1292 vty_out(vty
, " IPv4 route computation:\n");
1293 isis_spf_print(area
->spftree
[SPFTREE_IPV4
][level
- 1],
1296 vty_out(vty
, " IPv6 route computation:\n");
1297 isis_spf_print(area
->spftree
[SPFTREE_IPV6
][level
- 1],
1300 vty_out(vty
, " IPv6 dst-src route computation:\n");
1301 isis_spf_print(area
->spftree
[SPFTREE_DSTSRC
][level
-1],
1310 struct isis_lsp
*lsp_for_arg(const char *argv
, dict_t
*lspdb
)
1312 char sysid
[255] = {0};
1315 uint8_t lspid
[ISIS_SYS_ID_LEN
+ 2] = {0};
1316 struct isis_dynhn
*dynhn
;
1317 struct isis_lsp
*lsp
= NULL
;
1323 * extract fragment and pseudo id from the string argv
1325 * (a) <systemid/hostname>.<pseudo-id>-<framenent> or
1326 * (b) <systemid/hostname>.<pseudo-id> or
1327 * (c) <systemid/hostname> or
1328 * Where systemid is in the form:
1332 strncpy(sysid
, argv
, 254);
1333 if (argv
&& strlen(argv
) > 3) {
1334 pos
= argv
+ strlen(argv
) - 3;
1335 if (strncmp(pos
, "-", 1) == 0) {
1336 memcpy(number
, ++pos
, 2);
1337 lspid
[ISIS_SYS_ID_LEN
+ 1] =
1338 (uint8_t)strtol((char *)number
, NULL
, 16);
1340 if (strncmp(pos
, ".", 1) != 0)
1343 if (strncmp(pos
, ".", 1) == 0) {
1344 memcpy(number
, ++pos
, 2);
1345 lspid
[ISIS_SYS_ID_LEN
] =
1346 (uint8_t)strtol((char *)number
, NULL
, 16);
1347 sysid
[pos
- argv
- 1] = '\0';
1352 * Try to find the lsp-id if the argv
1355 * hostname.<pseudo-id>-<fragment>
1357 if (sysid2buff(lspid
, sysid
)) {
1358 lsp
= lsp_search(lspid
, lspdb
);
1359 } else if ((dynhn
= dynhn_find_by_name(sysid
))) {
1360 memcpy(lspid
, dynhn
->id
, ISIS_SYS_ID_LEN
);
1361 lsp
= lsp_search(lspid
, lspdb
);
1362 } else if (strncmp(cmd_hostname_get(), sysid
, 15) == 0) {
1363 memcpy(lspid
, isis
->sysid
, ISIS_SYS_ID_LEN
);
1364 lsp
= lsp_search(lspid
, lspdb
);
1371 * This function supports following display options:
1372 * [ show isis database [detail] ]
1373 * [ show isis database <sysid> [detail] ]
1374 * [ show isis database <hostname> [detail] ]
1375 * [ show isis database <sysid>.<pseudo-id> [detail] ]
1376 * [ show isis database <hostname>.<pseudo-id> [detail] ]
1377 * [ show isis database <sysid>.<pseudo-id>-<fragment-number> [detail] ]
1378 * [ show isis database <hostname>.<pseudo-id>-<fragment-number> [detail] ]
1379 * [ show isis database detail <sysid> ]
1380 * [ show isis database detail <hostname> ]
1381 * [ show isis database detail <sysid>.<pseudo-id> ]
1382 * [ show isis database detail <hostname>.<pseudo-id> ]
1383 * [ show isis database detail <sysid>.<pseudo-id>-<fragment-number> ]
1384 * [ show isis database detail <hostname>.<pseudo-id>-<fragment-number> ]
1386 static int show_isis_database(struct vty
*vty
, const char *argv
, int ui_level
)
1388 struct listnode
*node
;
1389 struct isis_area
*area
;
1390 struct isis_lsp
*lsp
;
1391 int level
, lsp_count
;
1393 if (isis
->area_list
->count
== 0)
1396 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
)) {
1397 vty_out(vty
, "Area %s:\n",
1398 area
->area_tag
? area
->area_tag
: "null");
1400 for (level
= 0; level
< ISIS_LEVELS
; level
++) {
1401 if (area
->lspdb
[level
]
1402 && dict_count(area
->lspdb
[level
]) > 0) {
1403 lsp
= lsp_for_arg(argv
, area
->lspdb
[level
]);
1405 if (lsp
!= NULL
|| argv
== NULL
) {
1407 "IS-IS Level-%d link-state database:\n",
1410 /* print the title in all cases */
1412 "LSP ID PduLen SeqNumber Chksum Holdtime ATT/P/OL\n");
1416 if (ui_level
== ISIS_UI_LEVEL_DETAIL
)
1423 } else if (argv
== NULL
) {
1424 lsp_count
= lsp_print_all(
1425 vty
, area
->lspdb
[level
],
1426 ui_level
, area
->dynhostname
);
1428 vty_out(vty
, " %u LSPs\n\n",
1438 DEFUN (show_database
,
1440 "show " PROTO_NAME
" database [detail] [WORD]",
1443 "Link state database\n"
1444 "Detailed information\n"
1448 int uilevel
= argv_find(argv
, argc
, "detail", &idx
)
1449 ? ISIS_UI_LEVEL_DETAIL
1450 : ISIS_UI_LEVEL_BRIEF
;
1451 char *id
= argv_find(argv
, argc
, "WORD", &idx
) ? argv
[idx
]->arg
: NULL
;
1452 return show_isis_database(vty
, id
, uilevel
);
1456 * 'router isis' command
1458 DEFUN_NOSH (router_isis
,
1460 "router " PROTO_NAME
" WORD",
1463 "ISO Routing area tag\n")
1466 return isis_area_get(vty
, argv
[idx_word
]->arg
);
1470 *'no router isis' command
1472 DEFUN (no_router_isis
,
1474 "no router " PROTO_NAME
" WORD",
1478 "ISO Routing area tag\n")
1481 return isis_area_destroy(vty
, argv
[idx_word
]->arg
);
1490 "A Network Entity Title for this process (OSI only)\n"
1491 "XX.XXXX. ... .XXX.XX Network entity title (NET)\n")
1494 return area_net_title(vty
, argv
[idx_word
]->arg
);
1504 "A Network Entity Title for this process (OSI only)\n"
1505 "XX.XXXX. ... .XXX.XX Network entity title (NET)\n")
1508 return area_clear_net_title(vty
, argv
[idx_word
]->arg
);
1511 DEFUN (isis_topology
,
1513 "topology " ISIS_MT_NAMES
" [overload]",
1514 "Configure IS-IS topologies\n"
1515 ISIS_MT_DESCRIPTIONS
1516 "Set overload bit for topology\n")
1518 VTY_DECLVAR_CONTEXT(isis_area
, area
);
1520 const char *arg
= argv
[1]->arg
;
1521 uint16_t mtid
= isis_str2mtid(arg
);
1523 if (area
->oldmetric
) {
1525 "Multi topology IS-IS can only be used with wide metrics\n");
1526 return CMD_WARNING_CONFIG_FAILED
;
1529 if (mtid
== (uint16_t)-1) {
1530 vty_out(vty
, "Don't know topology '%s'\n", arg
);
1531 return CMD_WARNING_CONFIG_FAILED
;
1533 if (mtid
== ISIS_MT_IPV4_UNICAST
) {
1534 vty_out(vty
, "Cannot configure IPv4 unicast topology\n");
1535 return CMD_WARNING_CONFIG_FAILED
;
1538 area_set_mt_enabled(area
, mtid
, true);
1539 area_set_mt_overload(area
, mtid
, (argc
== 3));
1543 DEFUN (no_isis_topology
,
1544 no_isis_topology_cmd
,
1545 "no topology " ISIS_MT_NAMES
" [overload]",
1547 "Configure IS-IS topologies\n"
1548 ISIS_MT_DESCRIPTIONS
1549 "Set overload bit for topology\n")
1551 VTY_DECLVAR_CONTEXT(isis_area
, area
);
1553 const char *arg
= argv
[2]->arg
;
1554 uint16_t mtid
= isis_str2mtid(arg
);
1556 if (area
->oldmetric
) {
1558 "Multi topology IS-IS can only be used with wide metrics\n");
1559 return CMD_WARNING_CONFIG_FAILED
;
1562 if (mtid
== (uint16_t)-1) {
1563 vty_out(vty
, "Don't know topology '%s'\n", arg
);
1564 return CMD_WARNING_CONFIG_FAILED
;
1566 if (mtid
== ISIS_MT_IPV4_UNICAST
) {
1567 vty_out(vty
, "Cannot configure IPv4 unicast topology\n");
1568 return CMD_WARNING_CONFIG_FAILED
;
1571 area_set_mt_enabled(area
, mtid
, false);
1572 area_set_mt_overload(area
, mtid
, false);
1576 void isis_area_lsp_mtu_set(struct isis_area
*area
, unsigned int lsp_mtu
)
1578 area
->lsp_mtu
= lsp_mtu
;
1579 lsp_regenerate_schedule(area
, IS_LEVEL_1_AND_2
, 1);
1582 static int isis_area_passwd_set(struct isis_area
*area
, int level
,
1583 uint8_t passwd_type
, const char *passwd
,
1586 struct isis_passwd
*dest
;
1587 struct isis_passwd modified
;
1590 assert((level
== IS_LEVEL_1
) || (level
== IS_LEVEL_2
));
1591 dest
= (level
== IS_LEVEL_1
) ? &area
->area_passwd
1592 : &area
->domain_passwd
;
1593 memset(&modified
, 0, sizeof(modified
));
1595 if (passwd_type
!= ISIS_PASSWD_TYPE_UNUSED
) {
1599 len
= strlen(passwd
);
1604 strncpy((char *)modified
.passwd
, passwd
, 255);
1605 modified
.type
= passwd_type
;
1606 modified
.snp_auth
= snp_auth
;
1609 if (memcmp(&modified
, dest
, sizeof(modified
))) {
1610 memcpy(dest
, &modified
, sizeof(modified
));
1611 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1617 int isis_area_passwd_unset(struct isis_area
*area
, int level
)
1619 return isis_area_passwd_set(area
, level
, ISIS_PASSWD_TYPE_UNUSED
, NULL
,
1623 int isis_area_passwd_cleartext_set(struct isis_area
*area
, int level
,
1624 const char *passwd
, uint8_t snp_auth
)
1626 return isis_area_passwd_set(area
, level
, ISIS_PASSWD_TYPE_CLEARTXT
,
1630 int isis_area_passwd_hmac_md5_set(struct isis_area
*area
, int level
,
1631 const char *passwd
, uint8_t snp_auth
)
1633 return isis_area_passwd_set(area
, level
, ISIS_PASSWD_TYPE_HMAC_MD5
,
1637 void isis_area_invalidate_routes(struct isis_area
*area
, int levels
)
1639 for (int level
= ISIS_LEVEL1
; level
<= ISIS_LEVEL2
; level
++) {
1640 if (!(level
& levels
))
1642 for (int tree
= SPFTREE_IPV4
; tree
< SPFTREE_COUNT
; tree
++) {
1643 isis_spf_invalidate_routes(
1644 area
->spftree
[tree
][level
- 1]);
1649 void isis_area_verify_routes(struct isis_area
*area
)
1651 for (int tree
= SPFTREE_IPV4
; tree
< SPFTREE_COUNT
; tree
++)
1652 isis_spf_verify_routes(area
, area
->spftree
[tree
]);
1655 static void area_resign_level(struct isis_area
*area
, int level
)
1657 isis_area_invalidate_routes(area
, level
);
1658 isis_area_verify_routes(area
);
1660 if (area
->lspdb
[level
- 1]) {
1661 lsp_db_destroy(area
->lspdb
[level
- 1]);
1662 area
->lspdb
[level
- 1] = NULL
;
1665 for (int tree
= SPFTREE_IPV4
; tree
< SPFTREE_COUNT
; tree
++) {
1666 if (area
->spftree
[tree
][level
- 1]) {
1667 isis_spftree_del(area
->spftree
[tree
][level
- 1]);
1668 area
->spftree
[tree
][level
- 1] = NULL
;
1672 THREAD_TIMER_OFF(area
->spf_timer
[level
- 1]);
1675 "ISIS (%s): Resigned from L%d - canceling LSP regeneration timer.",
1676 area
->area_tag
, level
);
1677 THREAD_TIMER_OFF(area
->t_lsp_refresh
[level
- 1]);
1678 area
->lsp_regenerate_pending
[level
- 1] = 0;
1681 void isis_area_is_type_set(struct isis_area
*area
, int is_type
)
1683 struct listnode
*node
;
1684 struct isis_circuit
*circuit
;
1686 if (isis
->debugs
& DEBUG_EVENTS
)
1687 zlog_debug("ISIS-Evt (%s) system type change %s -> %s",
1688 area
->area_tag
, circuit_t2string(area
->is_type
),
1689 circuit_t2string(is_type
));
1691 if (area
->is_type
== is_type
)
1692 return; /* No change */
1694 switch (area
->is_type
) {
1696 if (is_type
== IS_LEVEL_2
)
1697 area_resign_level(area
, IS_LEVEL_1
);
1699 if (area
->lspdb
[1] == NULL
)
1700 area
->lspdb
[1] = lsp_db_init();
1703 case IS_LEVEL_1_AND_2
:
1704 if (is_type
== IS_LEVEL_1
)
1705 area_resign_level(area
, IS_LEVEL_2
);
1707 area_resign_level(area
, IS_LEVEL_1
);
1711 if (is_type
== IS_LEVEL_1
)
1712 area_resign_level(area
, IS_LEVEL_2
);
1714 if (area
->lspdb
[0] == NULL
)
1715 area
->lspdb
[0] = lsp_db_init();
1722 area
->is_type
= is_type
;
1724 /* override circuit's is_type */
1725 if (area
->is_type
!= IS_LEVEL_1_AND_2
) {
1726 for (ALL_LIST_ELEMENTS_RO(area
->circuit_list
, node
, circuit
))
1727 isis_circuit_is_type_set(circuit
, is_type
);
1730 spftree_area_init(area
);
1732 if (listcount(area
->area_addrs
) > 0) {
1733 if (is_type
& IS_LEVEL_1
)
1734 lsp_generate(area
, IS_LEVEL_1
);
1735 if (is_type
& IS_LEVEL_2
)
1736 lsp_generate(area
, IS_LEVEL_2
);
1738 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1743 void isis_area_metricstyle_set(struct isis_area
*area
, bool old_metric
,
1746 if (area
->oldmetric
!= old_metric
|| area
->newmetric
!= new_metric
) {
1747 area
->oldmetric
= old_metric
;
1748 area
->newmetric
= new_metric
;
1749 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1753 void isis_area_overload_bit_set(struct isis_area
*area
, bool overload_bit
)
1755 char new_overload_bit
= overload_bit
? LSPBIT_OL
: 0;
1757 if (new_overload_bit
!= area
->overload_bit
) {
1758 area
->overload_bit
= new_overload_bit
;
1759 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1763 void isis_area_attached_bit_set(struct isis_area
*area
, bool attached_bit
)
1765 char new_attached_bit
= attached_bit
? LSPBIT_ATT
: 0;
1767 if (new_attached_bit
!= area
->attached_bit
) {
1768 area
->attached_bit
= new_attached_bit
;
1769 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1773 void isis_area_dynhostname_set(struct isis_area
*area
, bool dynhostname
)
1775 if (area
->dynhostname
!= dynhostname
) {
1776 area
->dynhostname
= dynhostname
;
1777 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 0);
1781 void isis_area_max_lsp_lifetime_set(struct isis_area
*area
, int level
,
1782 uint16_t max_lsp_lifetime
)
1784 assert((level
== IS_LEVEL_1
) || (level
== IS_LEVEL_2
));
1786 if (area
->max_lsp_lifetime
[level
- 1] == max_lsp_lifetime
)
1789 area
->max_lsp_lifetime
[level
- 1] = max_lsp_lifetime
;
1790 lsp_regenerate_schedule(area
, level
, 1);
1793 void isis_area_lsp_refresh_set(struct isis_area
*area
, int level
,
1794 uint16_t lsp_refresh
)
1796 assert((level
== IS_LEVEL_1
) || (level
== IS_LEVEL_2
));
1798 if (area
->lsp_refresh
[level
- 1] == lsp_refresh
)
1801 area
->lsp_refresh
[level
- 1] = lsp_refresh
;
1802 lsp_regenerate_schedule(area
, level
, 1);
1805 DEFUN (log_adj_changes
,
1806 log_adj_changes_cmd
,
1807 "log-adjacency-changes",
1808 "Log changes in adjacency state\n")
1810 VTY_DECLVAR_CONTEXT(isis_area
, area
);
1812 area
->log_adj_changes
= 1;
1817 DEFUN (no_log_adj_changes
,
1818 no_log_adj_changes_cmd
,
1819 "no log-adjacency-changes",
1821 "Stop logging changes in adjacency state\n")
1823 VTY_DECLVAR_CONTEXT(isis_area
, area
);
1825 area
->log_adj_changes
= 0;
1830 /* IS-IS configuration write function */
1831 int isis_config_write(struct vty
*vty
)
1836 struct isis_area
*area
;
1837 struct listnode
*node
, *node2
;
1839 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
)) {
1840 /* ISIS - Area name */
1841 vty_out(vty
, "router " PROTO_NAME
" %s\n", area
->area_tag
);
1844 if (listcount(area
->area_addrs
) > 0) {
1845 struct area_addr
*area_addr
;
1846 for (ALL_LIST_ELEMENTS_RO(area
->area_addrs
,
1847 node2
, area_addr
)) {
1848 vty_out(vty
, " net %s\n",
1850 area_addr
->area_addr
,
1857 /* ISIS - Dynamic hostname - Defaults to true so only
1860 if (!area
->dynhostname
) {
1861 vty_out(vty
, " no hostname dynamic\n");
1864 /* ISIS - Metric-Style - when true displays wide */
1866 if (area
->newmetric
) {
1867 if (!area
->oldmetric
)
1868 vty_out(vty
, " metric-style wide\n");
1871 " metric-style transition\n");
1874 vty_out(vty
, " metric-style narrow\n");
1878 /* ISIS - overload-bit */
1879 if (area
->overload_bit
) {
1880 vty_out(vty
, " set-overload-bit\n");
1883 /* ISIS - Area is-type (level-1-2 is default) */
1885 if (area
->is_type
== IS_LEVEL_1
) {
1886 vty_out(vty
, " is-type level-1\n");
1888 } else if (area
->is_type
== IS_LEVEL_2
) {
1889 vty_out(vty
, " is-type level-2-only\n");
1893 write
+= isis_redist_config_write(vty
, area
, AF_INET
);
1894 write
+= isis_redist_config_write(vty
, area
, AF_INET6
);
1895 /* ISIS - Lsp generation interval */
1896 if (area
->lsp_gen_interval
[0]
1897 == area
->lsp_gen_interval
[1]) {
1898 if (area
->lsp_gen_interval
[0]
1899 != DEFAULT_MIN_LSP_GEN_INTERVAL
) {
1900 vty_out(vty
, " lsp-gen-interval %d\n",
1901 area
->lsp_gen_interval
[0]);
1905 if (area
->lsp_gen_interval
[0]
1906 != DEFAULT_MIN_LSP_GEN_INTERVAL
) {
1908 " lsp-gen-interval level-1 %d\n",
1909 area
->lsp_gen_interval
[0]);
1912 if (area
->lsp_gen_interval
[1]
1913 != DEFAULT_MIN_LSP_GEN_INTERVAL
) {
1915 " lsp-gen-interval level-2 %d\n",
1916 area
->lsp_gen_interval
[1]);
1920 /* ISIS - LSP lifetime */
1921 if (area
->max_lsp_lifetime
[0]
1922 == area
->max_lsp_lifetime
[1]) {
1923 if (area
->max_lsp_lifetime
[0]
1924 != DEFAULT_LSP_LIFETIME
) {
1925 vty_out(vty
, " max-lsp-lifetime %u\n",
1926 area
->max_lsp_lifetime
[0]);
1930 if (area
->max_lsp_lifetime
[0]
1931 != DEFAULT_LSP_LIFETIME
) {
1933 " max-lsp-lifetime level-1 %u\n",
1934 area
->max_lsp_lifetime
[0]);
1937 if (area
->max_lsp_lifetime
[1]
1938 != DEFAULT_LSP_LIFETIME
) {
1940 " max-lsp-lifetime level-2 %u\n",
1941 area
->max_lsp_lifetime
[1]);
1945 /* ISIS - LSP refresh interval */
1946 if (area
->lsp_refresh
[0] == area
->lsp_refresh
[1]) {
1947 if (area
->lsp_refresh
[0]
1948 != DEFAULT_MAX_LSP_GEN_INTERVAL
) {
1950 " lsp-refresh-interval %u\n",
1951 area
->lsp_refresh
[0]);
1955 if (area
->lsp_refresh
[0]
1956 != DEFAULT_MAX_LSP_GEN_INTERVAL
) {
1958 " lsp-refresh-interval level-1 %u\n",
1959 area
->lsp_refresh
[0]);
1962 if (area
->lsp_refresh
[1]
1963 != DEFAULT_MAX_LSP_GEN_INTERVAL
) {
1965 " lsp-refresh-interval level-2 %u\n",
1966 area
->lsp_refresh
[1]);
1970 if (area
->lsp_mtu
!= DEFAULT_LSP_MTU
) {
1971 vty_out(vty
, " lsp-mtu %u\n", area
->lsp_mtu
);
1974 if (area
->purge_originator
) {
1975 vty_out(vty
, " purge-originator\n");
1979 /* Minimum SPF interval. */
1980 if (area
->min_spf_interval
[0]
1981 == area
->min_spf_interval
[1]) {
1982 if (area
->min_spf_interval
[0]
1983 != MINIMUM_SPF_INTERVAL
) {
1984 vty_out(vty
, " spf-interval %d\n",
1985 area
->min_spf_interval
[0]);
1989 if (area
->min_spf_interval
[0]
1990 != MINIMUM_SPF_INTERVAL
) {
1992 " spf-interval level-1 %d\n",
1993 area
->min_spf_interval
[0]);
1996 if (area
->min_spf_interval
[1]
1997 != MINIMUM_SPF_INTERVAL
) {
1999 " spf-interval level-2 %d\n",
2000 area
->min_spf_interval
[1]);
2005 /* IETF SPF interval */
2006 if (area
->spf_delay_ietf
[0]) {
2008 " spf-delay-ietf init-delay %ld short-delay %ld long-delay %ld holddown %ld time-to-learn %ld\n",
2009 spf_backoff_init_delay(
2010 area
->spf_delay_ietf
[0]),
2011 spf_backoff_short_delay(
2012 area
->spf_delay_ietf
[0]),
2013 spf_backoff_long_delay(
2014 area
->spf_delay_ietf
[0]),
2015 spf_backoff_holddown(
2016 area
->spf_delay_ietf
[0]),
2017 spf_backoff_timetolearn(
2018 area
->spf_delay_ietf
[0]));
2022 /* Authentication passwords. */
2023 if (area
->area_passwd
.type
2024 == ISIS_PASSWD_TYPE_HMAC_MD5
) {
2025 vty_out(vty
, " area-password md5 %s",
2026 area
->area_passwd
.passwd
);
2027 if (CHECK_FLAG(area
->area_passwd
.snp_auth
,
2029 vty_out(vty
, " authenticate snp ");
2031 area
->area_passwd
.snp_auth
,
2033 vty_out(vty
, "validate");
2035 vty_out(vty
, "send-only");
2039 } else if (area
->area_passwd
.type
2040 == ISIS_PASSWD_TYPE_CLEARTXT
) {
2041 vty_out(vty
, " area-password clear %s",
2042 area
->area_passwd
.passwd
);
2043 if (CHECK_FLAG(area
->area_passwd
.snp_auth
,
2045 vty_out(vty
, " authenticate snp ");
2047 area
->area_passwd
.snp_auth
,
2049 vty_out(vty
, "validate");
2051 vty_out(vty
, "send-only");
2056 if (area
->domain_passwd
.type
2057 == ISIS_PASSWD_TYPE_HMAC_MD5
) {
2058 vty_out(vty
, " domain-password md5 %s",
2059 area
->domain_passwd
.passwd
);
2060 if (CHECK_FLAG(area
->domain_passwd
.snp_auth
,
2062 vty_out(vty
, " authenticate snp ");
2063 if (CHECK_FLAG(area
->domain_passwd
2066 vty_out(vty
, "validate");
2068 vty_out(vty
, "send-only");
2072 } else if (area
->domain_passwd
.type
2073 == ISIS_PASSWD_TYPE_CLEARTXT
) {
2074 vty_out(vty
, " domain-password clear %s",
2075 area
->domain_passwd
.passwd
);
2076 if (CHECK_FLAG(area
->domain_passwd
.snp_auth
,
2078 vty_out(vty
, " authenticate snp ");
2079 if (CHECK_FLAG(area
->domain_passwd
2082 vty_out(vty
, "validate");
2084 vty_out(vty
, "send-only");
2090 if (area
->log_adj_changes
) {
2091 vty_out(vty
, " log-adjacency-changes\n");
2095 write
+= area_write_mt_settings(area
, vty
);
2096 write
+= fabricd_write_settings(area
, vty
);
2098 isis_mpls_te_config_write_router(vty
);
2104 struct cmd_node router_node
= {ROUTER_NODE
, "%s(config-router)# ", 1};
2108 /* Install IS-IS top node */
2109 install_node(&router_node
, isis_config_write
);
2111 install_element(VIEW_NODE
, &show_isis_summary_cmd
);
2113 install_element(VIEW_NODE
, &show_isis_spf_ietf_cmd
);
2115 install_element(VIEW_NODE
, &show_isis_interface_cmd
);
2116 install_element(VIEW_NODE
, &show_isis_interface_detail_cmd
);
2117 install_element(VIEW_NODE
, &show_isis_interface_arg_cmd
);
2119 install_element(VIEW_NODE
, &show_isis_neighbor_cmd
);
2120 install_element(VIEW_NODE
, &show_isis_neighbor_detail_cmd
);
2121 install_element(VIEW_NODE
, &show_isis_neighbor_arg_cmd
);
2122 install_element(VIEW_NODE
, &clear_isis_neighbor_cmd
);
2123 install_element(VIEW_NODE
, &clear_isis_neighbor_arg_cmd
);
2125 install_element(VIEW_NODE
, &show_hostname_cmd
);
2126 install_element(VIEW_NODE
, &show_database_cmd
);
2128 install_element(ENABLE_NODE
, &show_debugging_isis_cmd
);
2130 install_node(&debug_node
, config_write_debug
);
2132 install_element(ENABLE_NODE
, &debug_isis_adj_cmd
);
2133 install_element(ENABLE_NODE
, &no_debug_isis_adj_cmd
);
2134 install_element(ENABLE_NODE
, &debug_isis_tx_queue_cmd
);
2135 install_element(ENABLE_NODE
, &no_debug_isis_tx_queue_cmd
);
2136 install_element(ENABLE_NODE
, &debug_isis_flooding_cmd
);
2137 install_element(ENABLE_NODE
, &no_debug_isis_flooding_cmd
);
2138 install_element(ENABLE_NODE
, &debug_isis_snp_cmd
);
2139 install_element(ENABLE_NODE
, &no_debug_isis_snp_cmd
);
2140 install_element(ENABLE_NODE
, &debug_isis_upd_cmd
);
2141 install_element(ENABLE_NODE
, &no_debug_isis_upd_cmd
);
2142 install_element(ENABLE_NODE
, &debug_isis_spfevents_cmd
);
2143 install_element(ENABLE_NODE
, &no_debug_isis_spfevents_cmd
);
2144 install_element(ENABLE_NODE
, &debug_isis_rtevents_cmd
);
2145 install_element(ENABLE_NODE
, &no_debug_isis_rtevents_cmd
);
2146 install_element(ENABLE_NODE
, &debug_isis_events_cmd
);
2147 install_element(ENABLE_NODE
, &no_debug_isis_events_cmd
);
2148 install_element(ENABLE_NODE
, &debug_isis_packet_dump_cmd
);
2149 install_element(ENABLE_NODE
, &no_debug_isis_packet_dump_cmd
);
2150 install_element(ENABLE_NODE
, &debug_isis_lsp_gen_cmd
);
2151 install_element(ENABLE_NODE
, &no_debug_isis_lsp_gen_cmd
);
2152 install_element(ENABLE_NODE
, &debug_isis_lsp_sched_cmd
);
2153 install_element(ENABLE_NODE
, &no_debug_isis_lsp_sched_cmd
);
2154 install_element(ENABLE_NODE
, &debug_isis_bfd_cmd
);
2155 install_element(ENABLE_NODE
, &no_debug_isis_bfd_cmd
);
2157 install_element(CONFIG_NODE
, &debug_isis_adj_cmd
);
2158 install_element(CONFIG_NODE
, &no_debug_isis_adj_cmd
);
2159 install_element(CONFIG_NODE
, &debug_isis_tx_queue_cmd
);
2160 install_element(CONFIG_NODE
, &no_debug_isis_tx_queue_cmd
);
2161 install_element(CONFIG_NODE
, &debug_isis_flooding_cmd
);
2162 install_element(CONFIG_NODE
, &no_debug_isis_flooding_cmd
);
2163 install_element(CONFIG_NODE
, &debug_isis_snp_cmd
);
2164 install_element(CONFIG_NODE
, &no_debug_isis_snp_cmd
);
2165 install_element(CONFIG_NODE
, &debug_isis_upd_cmd
);
2166 install_element(CONFIG_NODE
, &no_debug_isis_upd_cmd
);
2167 install_element(CONFIG_NODE
, &debug_isis_spfevents_cmd
);
2168 install_element(CONFIG_NODE
, &no_debug_isis_spfevents_cmd
);
2169 install_element(CONFIG_NODE
, &debug_isis_rtevents_cmd
);
2170 install_element(CONFIG_NODE
, &no_debug_isis_rtevents_cmd
);
2171 install_element(CONFIG_NODE
, &debug_isis_events_cmd
);
2172 install_element(CONFIG_NODE
, &no_debug_isis_events_cmd
);
2173 install_element(CONFIG_NODE
, &debug_isis_packet_dump_cmd
);
2174 install_element(CONFIG_NODE
, &no_debug_isis_packet_dump_cmd
);
2175 install_element(CONFIG_NODE
, &debug_isis_lsp_gen_cmd
);
2176 install_element(CONFIG_NODE
, &no_debug_isis_lsp_gen_cmd
);
2177 install_element(CONFIG_NODE
, &debug_isis_lsp_sched_cmd
);
2178 install_element(CONFIG_NODE
, &no_debug_isis_lsp_sched_cmd
);
2179 install_element(CONFIG_NODE
, &debug_isis_bfd_cmd
);
2180 install_element(CONFIG_NODE
, &no_debug_isis_bfd_cmd
);
2182 install_element(CONFIG_NODE
, &router_isis_cmd
);
2183 install_element(CONFIG_NODE
, &no_router_isis_cmd
);
2185 install_default(ROUTER_NODE
);
2187 install_element(ROUTER_NODE
, &net_cmd
);
2188 install_element(ROUTER_NODE
, &no_net_cmd
);
2190 install_element(ROUTER_NODE
, &isis_topology_cmd
);
2191 install_element(ROUTER_NODE
, &no_isis_topology_cmd
);
2193 install_element(ROUTER_NODE
, &log_adj_changes_cmd
);
2194 install_element(ROUTER_NODE
, &no_log_adj_changes_cmd
);
2196 spf_backoff_cmd_init();