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"
39 #include "lib/northbound_cli.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"
60 #include "isisd/isis_nb.h"
62 struct isis
*isis
= NULL
;
64 DEFINE_QOBJ_TYPE(isis
)
65 DEFINE_QOBJ_TYPE(isis_area
)
70 int isis_area_get(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
, vrf_id_t vrf_id
)
81 isis
= XCALLOC(MTYPE_ISIS
, sizeof(struct isis
));
85 isis
->vrf_id
= vrf_id
;
86 isis
->max_area_addrs
= 3;
87 isis
->process_id
= process_id
;
89 isis
->area_list
= list_new();
90 isis
->init_circ_list
= list_new();
91 isis
->uptime
= time(NULL
);
92 isis
->nexthops
= list_new();
95 * uncomment the next line for full debugs
97 /* isis->debugs = 0xFFFF; */
102 struct isis_area
*isis_area_create(const char *area_tag
)
104 struct isis_area
*area
;
106 area
= XCALLOC(MTYPE_ISIS_AREA
, sizeof(struct isis_area
));
109 * Fabricd runs only as level-2.
110 * For IS-IS, the default is level-1-2
113 area
->is_type
= IS_LEVEL_2
;
115 area
->is_type
= yang_get_default_enum(
116 "/frr-isisd:isis/instance/is-type");
119 * intialize the databases
121 if (area
->is_type
& IS_LEVEL_1
)
122 lsp_db_init(&area
->lspdb
[0]);
123 if (area
->is_type
& IS_LEVEL_2
)
124 lsp_db_init(&area
->lspdb
[1]);
126 spftree_area_init(area
);
128 area
->circuit_list
= list_new();
129 area
->area_addrs
= list_new();
130 thread_add_timer(master
, lsp_tick
, area
, 1, &area
->t_tick
);
131 flags_initialize(&area
->flags
);
137 enum isis_metric_style default_style
;
139 area
->max_lsp_lifetime
[0] = yang_get_default_uint16(
140 "/frr-isisd:isis/instance/lsp/maximum-lifetime/level-1");
141 area
->max_lsp_lifetime
[1] = yang_get_default_uint16(
142 "/frr-isisd:isis/instance/lsp/maximum-lifetime/level-2");
143 area
->lsp_refresh
[0] = yang_get_default_uint16(
144 "/frr-isisd:isis/instance/lsp/refresh-interval/level-1");
145 area
->lsp_refresh
[1] = yang_get_default_uint16(
146 "/frr-isisd:isis/instance/lsp/refresh-interval/level-2");
147 area
->lsp_gen_interval
[0] = yang_get_default_uint16(
148 "/frr-isisd:isis/instance/lsp/generation-interval/level-1");
149 area
->lsp_gen_interval
[1] = yang_get_default_uint16(
150 "/frr-isisd:isis/instance/lsp/generation-interval/level-2");
151 area
->min_spf_interval
[0] = yang_get_default_uint16(
152 "/frr-isisd:isis/instance/spf/minimum-interval/level-1");
153 area
->min_spf_interval
[1] = yang_get_default_uint16(
154 "/frr-isisd:isis/instance/spf/minimum-interval/level-1");
155 area
->dynhostname
= yang_get_default_bool(
156 "/frr-isisd:isis/instance/dynamic-hostname");
158 yang_get_default_enum("/frr-isisd:isis/instance/metric-style");
159 area
->oldmetric
= default_style
== ISIS_WIDE_METRIC
? 0 : 1;
160 area
->newmetric
= default_style
== ISIS_NARROW_METRIC
? 0 : 1;
161 area
->lsp_frag_threshold
= 90; /* not currently configurable */
163 yang_get_default_uint16("/frr-isisd:isis/instance/lsp/mtu");
165 area
->max_lsp_lifetime
[0] = DEFAULT_LSP_LIFETIME
; /* 1200 */
166 area
->max_lsp_lifetime
[1] = DEFAULT_LSP_LIFETIME
; /* 1200 */
167 area
->lsp_refresh
[0] = DEFAULT_MAX_LSP_GEN_INTERVAL
; /* 900 */
168 area
->lsp_refresh
[1] = DEFAULT_MAX_LSP_GEN_INTERVAL
; /* 900 */
169 area
->lsp_gen_interval
[0] = DEFAULT_MIN_LSP_GEN_INTERVAL
;
170 area
->lsp_gen_interval
[1] = DEFAULT_MIN_LSP_GEN_INTERVAL
;
171 area
->min_spf_interval
[0] = MINIMUM_SPF_INTERVAL
;
172 area
->min_spf_interval
[1] = MINIMUM_SPF_INTERVAL
;
173 area
->dynhostname
= 1;
176 area
->lsp_frag_threshold
= 90;
177 area
->lsp_mtu
= DEFAULT_LSP_MTU
;
178 #endif /* ifndef FABRICD */
182 area
->area_tag
= strdup(area_tag
);
183 listnode_add(isis
->area_list
, area
);
187 area
->fabricd
= fabricd_new(area
);
189 area
->lsp_refresh_arg
[0].area
= area
;
190 area
->lsp_refresh_arg
[0].level
= IS_LEVEL_1
;
191 area
->lsp_refresh_arg
[1].area
= area
;
192 area
->lsp_refresh_arg
[1].level
= IS_LEVEL_2
;
195 QOBJ_REG(area
, isis_area
);
200 struct isis_area
*isis_area_lookup(const char *area_tag
)
202 struct isis_area
*area
;
203 struct listnode
*node
;
205 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
))
206 if ((area
->area_tag
== NULL
&& area_tag
== NULL
)
207 || (area
->area_tag
&& area_tag
208 && strcmp(area
->area_tag
, area_tag
) == 0))
214 int isis_area_get(struct vty
*vty
, const char *area_tag
)
216 struct isis_area
*area
;
218 area
= isis_area_lookup(area_tag
);
221 VTY_PUSH_CONTEXT(ROUTER_NODE
, area
);
225 area
= isis_area_create(area_tag
);
227 if (isis
->debugs
& DEBUG_EVENTS
)
228 zlog_debug("New IS-IS area instance %s", area
->area_tag
);
230 VTY_PUSH_CONTEXT(ROUTER_NODE
, area
);
235 int isis_area_destroy(const char *area_tag
)
237 struct isis_area
*area
;
238 struct listnode
*node
, *nnode
;
239 struct isis_circuit
*circuit
;
240 struct area_addr
*addr
;
242 area
= isis_area_lookup(area_tag
);
245 zlog_warn("%s: could not find area with area-tag %s",
247 return CMD_ERR_NO_MATCH
;
253 fabricd_finish(area
->fabricd
);
255 /* Disable MPLS if necessary before flooding LSP */
256 if (IS_MPLS_TE(area
->mta
))
257 area
->mta
->status
= disable
;
259 if (area
->circuit_list
) {
260 for (ALL_LIST_ELEMENTS(area
->circuit_list
, node
, nnode
,
262 circuit
->ip_router
= 0;
263 circuit
->ipv6_router
= 0;
264 isis_csm_state_change(ISIS_DISABLE
, circuit
, area
);
266 list_delete(&area
->circuit_list
);
269 lsp_db_fini(&area
->lspdb
[0]);
270 lsp_db_fini(&area
->lspdb
[1]);
272 /* invalidate and verify to delete all routes from zebra */
273 isis_area_invalidate_routes(area
, area
->is_type
);
274 isis_area_verify_routes(area
);
276 spftree_area_del(area
);
278 THREAD_TIMER_OFF(area
->spf_timer
[0]);
279 THREAD_TIMER_OFF(area
->spf_timer
[1]);
281 spf_backoff_free(area
->spf_delay_ietf
[0]);
282 spf_backoff_free(area
->spf_delay_ietf
[1]);
284 isis_redist_area_finish(area
);
286 for (ALL_LIST_ELEMENTS(area
->area_addrs
, node
, nnode
, addr
)) {
287 list_delete_node(area
->area_addrs
, node
);
288 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
290 area
->area_addrs
= NULL
;
292 THREAD_TIMER_OFF(area
->t_tick
);
293 THREAD_TIMER_OFF(area
->t_lsp_refresh
[0]);
294 THREAD_TIMER_OFF(area
->t_lsp_refresh
[1]);
296 thread_cancel_event(master
, area
);
298 listnode_delete(isis
->area_list
, area
);
300 free(area
->area_tag
);
302 area_mt_finish(area
);
304 XFREE(MTYPE_ISIS_AREA
, area
);
306 if (listcount(isis
->area_list
) == 0) {
307 memset(isis
->sysid
, 0, ISIS_SYS_ID_LEN
);
315 static void area_set_mt_enabled(struct isis_area
*area
, uint16_t mtid
,
318 struct isis_area_mt_setting
*setting
;
320 setting
= area_get_mt_setting(area
, mtid
);
321 if (setting
->enabled
!= enabled
) {
322 setting
->enabled
= enabled
;
323 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 0);
327 static void area_set_mt_overload(struct isis_area
*area
, uint16_t mtid
,
330 struct isis_area_mt_setting
*setting
;
332 setting
= area_get_mt_setting(area
, mtid
);
333 if (setting
->overload
!= overload
) {
334 setting
->overload
= overload
;
335 if (setting
->enabled
)
336 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
,
340 #endif /* ifdef FABRICD */
342 int area_net_title(struct vty
*vty
, const char *net_title
)
344 VTY_DECLVAR_CONTEXT(isis_area
, area
);
345 struct area_addr
*addr
;
346 struct area_addr
*addrp
;
347 struct listnode
*node
;
351 /* We check that we are not over the maximal number of addresses */
352 if (listcount(area
->area_addrs
) >= isis
->max_area_addrs
) {
354 "Maximum of area addresses (%d) already reached \n",
355 isis
->max_area_addrs
);
356 return CMD_ERR_NOTHING_TODO
;
359 addr
= XMALLOC(MTYPE_ISIS_AREA_ADDR
, sizeof(struct area_addr
));
360 addr
->addr_len
= dotformat2buff(buff
, net_title
);
361 memcpy(addr
->area_addr
, buff
, addr
->addr_len
);
363 zlog_debug("added area address %s for area %s (address length %d)",
364 net_title
, area
->area_tag
, addr
->addr_len
);
365 #endif /* EXTREME_DEBUG */
366 if (addr
->addr_len
< 8 || addr
->addr_len
> 20) {
368 "area address must be at least 8..20 octets long (%d)\n",
370 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
371 return CMD_WARNING_CONFIG_FAILED
;
374 if (addr
->area_addr
[addr
->addr_len
- 1] != 0) {
376 "nsel byte (last byte) in area address must be 0\n");
377 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
378 return CMD_WARNING_CONFIG_FAILED
;
381 if (isis
->sysid_set
== 0) {
383 * First area address - get the SystemID for this router
385 memcpy(isis
->sysid
, GETSYSID(addr
), ISIS_SYS_ID_LEN
);
387 if (isis
->debugs
& DEBUG_EVENTS
)
388 zlog_debug("Router has SystemID %s",
389 sysid_print(isis
->sysid
));
392 * Check that the SystemID portions match
394 if (memcmp(isis
->sysid
, GETSYSID(addr
), ISIS_SYS_ID_LEN
)) {
396 "System ID must not change when defining additional area addresses\n");
397 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
398 return CMD_WARNING_CONFIG_FAILED
;
401 /* now we see that we don't already have this address */
402 for (ALL_LIST_ELEMENTS_RO(area
->area_addrs
, node
, addrp
)) {
403 if ((addrp
->addr_len
+ ISIS_SYS_ID_LEN
+ ISIS_NSEL_LEN
)
406 if (!memcmp(addrp
->area_addr
, addr
->area_addr
,
408 XFREE(MTYPE_ISIS_AREA_ADDR
, addr
);
409 return CMD_SUCCESS
; /* silent fail */
415 * Forget the systemID part of the address
417 addr
->addr_len
-= (ISIS_SYS_ID_LEN
+ ISIS_NSEL_LEN
);
418 listnode_add(area
->area_addrs
, addr
);
420 /* only now we can safely generate our LSPs for this area */
421 if (listcount(area
->area_addrs
) > 0) {
422 if (area
->is_type
& IS_LEVEL_1
)
423 lsp_generate(area
, IS_LEVEL_1
);
424 if (area
->is_type
& IS_LEVEL_2
)
425 lsp_generate(area
, IS_LEVEL_2
);
431 int area_clear_net_title(struct vty
*vty
, const char *net_title
)
433 VTY_DECLVAR_CONTEXT(isis_area
, area
);
434 struct area_addr addr
, *addrp
= NULL
;
435 struct listnode
*node
;
438 addr
.addr_len
= dotformat2buff(buff
, net_title
);
439 if (addr
.addr_len
< 8 || addr
.addr_len
> 20) {
441 "Unsupported area address length %d, should be 8...20 \n",
443 return CMD_WARNING_CONFIG_FAILED
;
446 memcpy(addr
.area_addr
, buff
, (int)addr
.addr_len
);
448 for (ALL_LIST_ELEMENTS_RO(area
->area_addrs
, node
, addrp
))
449 if ((addrp
->addr_len
+ ISIS_SYS_ID_LEN
+ 1) == addr
.addr_len
450 && !memcmp(addrp
->area_addr
, addr
.area_addr
, addr
.addr_len
))
454 vty_out(vty
, "No area address %s for area %s \n", net_title
,
456 return CMD_ERR_NO_MATCH
;
459 listnode_delete(area
->area_addrs
, addrp
);
460 XFREE(MTYPE_ISIS_AREA_ADDR
, addrp
);
463 * Last area address - reset the SystemID for this router
465 if (listcount(area
->area_addrs
) == 0) {
466 memset(isis
->sysid
, 0, ISIS_SYS_ID_LEN
);
468 if (isis
->debugs
& DEBUG_EVENTS
)
469 zlog_debug("Router has no SystemID");
476 * 'show isis interface' command
479 int show_isis_interface_common(struct vty
*vty
, const char *ifname
, char detail
)
481 struct listnode
*anode
, *cnode
;
482 struct isis_area
*area
;
483 struct isis_circuit
*circuit
;
486 vty_out(vty
, "IS-IS Routing Process not enabled\n");
490 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, anode
, area
)) {
491 vty_out(vty
, "Area %s:\n", area
->area_tag
);
493 if (detail
== ISIS_UI_LEVEL_BRIEF
)
495 " Interface CircId State Type Level\n");
497 for (ALL_LIST_ELEMENTS_RO(area
->circuit_list
, cnode
, circuit
))
499 isis_circuit_print_vty(circuit
, vty
, detail
);
500 else if (strcmp(circuit
->interface
->name
, ifname
) == 0)
501 isis_circuit_print_vty(circuit
, vty
, detail
);
507 DEFUN (show_isis_interface
,
508 show_isis_interface_cmd
,
509 "show " PROTO_NAME
" interface",
514 return show_isis_interface_common(vty
, NULL
, ISIS_UI_LEVEL_BRIEF
);
517 DEFUN (show_isis_interface_detail
,
518 show_isis_interface_detail_cmd
,
519 "show " PROTO_NAME
" interface detail",
523 "show detailed information\n")
525 return show_isis_interface_common(vty
, NULL
, ISIS_UI_LEVEL_DETAIL
);
528 DEFUN (show_isis_interface_arg
,
529 show_isis_interface_arg_cmd
,
530 "show " PROTO_NAME
" interface WORD",
534 "ISIS interface name\n")
537 return show_isis_interface_common(vty
, argv
[idx_word
]->arg
,
538 ISIS_UI_LEVEL_DETAIL
);
542 * 'show isis neighbor' command
545 int show_isis_neighbor_common(struct vty
*vty
, const char *id
, char detail
)
547 struct listnode
*anode
, *cnode
, *node
;
548 struct isis_area
*area
;
549 struct isis_circuit
*circuit
;
551 struct isis_adjacency
*adj
;
552 struct isis_dynhn
*dynhn
;
553 uint8_t sysid
[ISIS_SYS_ID_LEN
];
557 vty_out(vty
, "IS-IS Routing Process not enabled\n");
561 memset(sysid
, 0, ISIS_SYS_ID_LEN
);
563 if (sysid2buff(sysid
, id
) == 0) {
564 dynhn
= dynhn_find_by_name(id
);
566 vty_out(vty
, "Invalid system id %s\n", id
);
569 memcpy(sysid
, dynhn
->id
, ISIS_SYS_ID_LEN
);
573 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, anode
, area
)) {
574 vty_out(vty
, "Area %s:\n", area
->area_tag
);
576 if (detail
== ISIS_UI_LEVEL_BRIEF
)
578 " System Id Interface L State Holdtime SNPA\n");
580 for (ALL_LIST_ELEMENTS_RO(area
->circuit_list
, cnode
, circuit
)) {
581 if (circuit
->circ_type
== CIRCUIT_T_BROADCAST
) {
582 for (i
= 0; i
< 2; i
++) {
583 adjdb
= circuit
->u
.bc
.adjdb
[i
];
584 if (adjdb
&& adjdb
->count
) {
585 for (ALL_LIST_ELEMENTS_RO(
588 || !memcmp(adj
->sysid
,
597 } else if (circuit
->circ_type
== CIRCUIT_T_P2P
598 && circuit
->u
.p2p
.neighbor
) {
599 adj
= circuit
->u
.p2p
.neighbor
;
601 || !memcmp(adj
->sysid
, sysid
,
603 isis_adj_print_vty(adj
, vty
, detail
);
612 * 'clear isis neighbor' command
614 int clear_isis_neighbor_common(struct vty
*vty
, const char *id
)
616 struct listnode
*anode
, *cnode
, *cnextnode
, *node
, *nnode
;
617 struct isis_area
*area
;
618 struct isis_circuit
*circuit
;
620 struct isis_adjacency
*adj
;
621 struct isis_dynhn
*dynhn
;
622 uint8_t sysid
[ISIS_SYS_ID_LEN
];
626 vty_out(vty
, "IS-IS Routing Process not enabled\n");
630 memset(sysid
, 0, ISIS_SYS_ID_LEN
);
632 if (sysid2buff(sysid
, id
) == 0) {
633 dynhn
= dynhn_find_by_name(id
);
635 vty_out(vty
, "Invalid system id %s\n", id
);
638 memcpy(sysid
, dynhn
->id
, ISIS_SYS_ID_LEN
);
642 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, anode
, area
)) {
643 for (ALL_LIST_ELEMENTS(area
->circuit_list
, cnode
, cnextnode
,
645 if (circuit
->circ_type
== CIRCUIT_T_BROADCAST
) {
646 for (i
= 0; i
< 2; i
++) {
647 adjdb
= circuit
->u
.bc
.adjdb
[i
];
648 if (adjdb
&& adjdb
->count
) {
649 for (ALL_LIST_ELEMENTS(
653 || !memcmp(adj
->sysid
,
656 isis_adj_state_change(
659 "clear user request");
662 } else if (circuit
->circ_type
== CIRCUIT_T_P2P
663 && circuit
->u
.p2p
.neighbor
) {
664 adj
= circuit
->u
.p2p
.neighbor
;
666 || !memcmp(adj
->sysid
, sysid
,
668 isis_adj_state_change(
670 "clear user request");
678 DEFUN (show_isis_neighbor
,
679 show_isis_neighbor_cmd
,
680 "show " PROTO_NAME
" neighbor",
683 "ISIS neighbor adjacencies\n")
685 return show_isis_neighbor_common(vty
, NULL
, ISIS_UI_LEVEL_BRIEF
);
688 DEFUN (show_isis_neighbor_detail
,
689 show_isis_neighbor_detail_cmd
,
690 "show " PROTO_NAME
" neighbor detail",
693 "ISIS neighbor adjacencies\n"
694 "show detailed information\n")
696 return show_isis_neighbor_common(vty
, NULL
, ISIS_UI_LEVEL_DETAIL
);
699 DEFUN (show_isis_neighbor_arg
,
700 show_isis_neighbor_arg_cmd
,
701 "show " PROTO_NAME
" neighbor WORD",
704 "ISIS neighbor adjacencies\n"
708 return show_isis_neighbor_common(vty
, argv
[idx_word
]->arg
,
709 ISIS_UI_LEVEL_DETAIL
);
712 DEFUN (clear_isis_neighbor
,
713 clear_isis_neighbor_cmd
,
714 "clear " PROTO_NAME
" neighbor",
717 "ISIS neighbor adjacencies\n")
719 return clear_isis_neighbor_common(vty
, NULL
);
722 DEFUN (clear_isis_neighbor_arg
,
723 clear_isis_neighbor_arg_cmd
,
724 "clear " PROTO_NAME
" neighbor WORD",
727 "ISIS neighbor adjacencies\n"
731 return clear_isis_neighbor_common(vty
, argv
[idx_word
]->arg
);
735 * 'isis debug', 'show debugging'
737 void print_debug(struct vty
*vty
, int flags
, int onoff
)
739 const char *onoffs
= onoff
? "on" : "off";
741 if (flags
& DEBUG_ADJ_PACKETS
)
743 "IS-IS Adjacency related packets debugging is %s\n",
745 if (flags
& DEBUG_TX_QUEUE
)
746 vty_out(vty
, "IS-IS TX queue debugging is %s\n",
748 if (flags
& DEBUG_SNP_PACKETS
)
749 vty_out(vty
, "IS-IS CSNP/PSNP packets debugging is %s\n",
751 if (flags
& DEBUG_SPF_EVENTS
)
752 vty_out(vty
, "IS-IS SPF events debugging is %s\n", onoffs
);
753 if (flags
& DEBUG_UPDATE_PACKETS
)
754 vty_out(vty
, "IS-IS Update related packet debugging is %s\n",
756 if (flags
& DEBUG_RTE_EVENTS
)
757 vty_out(vty
, "IS-IS Route related debuggin is %s\n", onoffs
);
758 if (flags
& DEBUG_EVENTS
)
759 vty_out(vty
, "IS-IS Event debugging is %s\n", onoffs
);
760 if (flags
& DEBUG_PACKET_DUMP
)
761 vty_out(vty
, "IS-IS Packet dump debugging is %s\n", onoffs
);
762 if (flags
& DEBUG_LSP_GEN
)
763 vty_out(vty
, "IS-IS LSP generation debugging is %s\n", onoffs
);
764 if (flags
& DEBUG_LSP_SCHED
)
765 vty_out(vty
, "IS-IS LSP scheduling debugging is %s\n", onoffs
);
766 if (flags
& DEBUG_FLOODING
)
767 vty_out(vty
, "IS-IS Flooding debugging is %s\n", onoffs
);
768 if (flags
& DEBUG_BFD
)
769 vty_out(vty
, "IS-IS BFD debugging is %s\n", onoffs
);
772 DEFUN_NOSH (show_debugging
,
773 show_debugging_isis_cmd
,
774 "show debugging [" PROTO_NAME
"]",
776 "State of each debugging option\n"
779 vty_out(vty
, PROTO_NAME
" debugging status:\n");
782 print_debug(vty
, isis
->debugs
, 1);
788 static struct cmd_node debug_node
= {DEBUG_NODE
, "", 1};
790 static int config_write_debug(struct vty
*vty
)
793 int flags
= isis
->debugs
;
795 if (flags
& DEBUG_ADJ_PACKETS
) {
796 vty_out(vty
, "debug " PROTO_NAME
" adj-packets\n");
799 if (flags
& DEBUG_TX_QUEUE
) {
800 vty_out(vty
, "debug " PROTO_NAME
" tx-queue\n");
803 if (flags
& DEBUG_SNP_PACKETS
) {
804 vty_out(vty
, "debug " PROTO_NAME
" snp-packets\n");
807 if (flags
& DEBUG_SPF_EVENTS
) {
808 vty_out(vty
, "debug " PROTO_NAME
" spf-events\n");
811 if (flags
& DEBUG_UPDATE_PACKETS
) {
812 vty_out(vty
, "debug " PROTO_NAME
" update-packets\n");
815 if (flags
& DEBUG_RTE_EVENTS
) {
816 vty_out(vty
, "debug " PROTO_NAME
" route-events\n");
819 if (flags
& DEBUG_EVENTS
) {
820 vty_out(vty
, "debug " PROTO_NAME
" events\n");
823 if (flags
& DEBUG_PACKET_DUMP
) {
824 vty_out(vty
, "debug " PROTO_NAME
" packet-dump\n");
827 if (flags
& DEBUG_LSP_GEN
) {
828 vty_out(vty
, "debug " PROTO_NAME
" lsp-gen\n");
831 if (flags
& DEBUG_LSP_SCHED
) {
832 vty_out(vty
, "debug " PROTO_NAME
" lsp-sched\n");
835 if (flags
& DEBUG_FLOODING
) {
836 vty_out(vty
, "debug " PROTO_NAME
" flooding\n");
839 if (flags
& DEBUG_BFD
) {
840 vty_out(vty
, "debug " PROTO_NAME
" bfd\n");
843 write
+= spf_backoff_write_config(vty
);
848 DEFUN (debug_isis_adj
,
850 "debug " PROTO_NAME
" adj-packets",
853 "IS-IS Adjacency related packets\n")
855 isis
->debugs
|= DEBUG_ADJ_PACKETS
;
856 print_debug(vty
, DEBUG_ADJ_PACKETS
, 1);
861 DEFUN (no_debug_isis_adj
,
862 no_debug_isis_adj_cmd
,
863 "no debug " PROTO_NAME
" adj-packets",
867 "IS-IS Adjacency related packets\n")
869 isis
->debugs
&= ~DEBUG_ADJ_PACKETS
;
870 print_debug(vty
, DEBUG_ADJ_PACKETS
, 0);
875 DEFUN (debug_isis_tx_queue
,
876 debug_isis_tx_queue_cmd
,
877 "debug " PROTO_NAME
" tx-queue",
882 isis
->debugs
|= DEBUG_TX_QUEUE
;
883 print_debug(vty
, DEBUG_TX_QUEUE
, 1);
888 DEFUN (no_debug_isis_tx_queue
,
889 no_debug_isis_tx_queue_cmd
,
890 "no debug " PROTO_NAME
" tx-queue",
896 isis
->debugs
&= ~DEBUG_TX_QUEUE
;
897 print_debug(vty
, DEBUG_TX_QUEUE
, 0);
902 DEFUN (debug_isis_flooding
,
903 debug_isis_flooding_cmd
,
904 "debug " PROTO_NAME
" flooding",
907 "Flooding algorithm\n")
909 isis
->debugs
|= DEBUG_FLOODING
;
910 print_debug(vty
, DEBUG_FLOODING
, 1);
915 DEFUN (no_debug_isis_flooding
,
916 no_debug_isis_flooding_cmd
,
917 "no debug " PROTO_NAME
" flooding",
921 "Flooding algorithm\n")
923 isis
->debugs
&= ~DEBUG_FLOODING
;
924 print_debug(vty
, DEBUG_FLOODING
, 0);
929 DEFUN (debug_isis_snp
,
931 "debug " PROTO_NAME
" snp-packets",
934 "IS-IS CSNP/PSNP packets\n")
936 isis
->debugs
|= DEBUG_SNP_PACKETS
;
937 print_debug(vty
, DEBUG_SNP_PACKETS
, 1);
942 DEFUN (no_debug_isis_snp
,
943 no_debug_isis_snp_cmd
,
944 "no debug " PROTO_NAME
" snp-packets",
948 "IS-IS CSNP/PSNP packets\n")
950 isis
->debugs
&= ~DEBUG_SNP_PACKETS
;
951 print_debug(vty
, DEBUG_SNP_PACKETS
, 0);
956 DEFUN (debug_isis_upd
,
958 "debug " PROTO_NAME
" update-packets",
961 "IS-IS Update related packets\n")
963 isis
->debugs
|= DEBUG_UPDATE_PACKETS
;
964 print_debug(vty
, DEBUG_UPDATE_PACKETS
, 1);
969 DEFUN (no_debug_isis_upd
,
970 no_debug_isis_upd_cmd
,
971 "no debug " PROTO_NAME
" update-packets",
975 "IS-IS Update related packets\n")
977 isis
->debugs
&= ~DEBUG_UPDATE_PACKETS
;
978 print_debug(vty
, DEBUG_UPDATE_PACKETS
, 0);
983 DEFUN (debug_isis_spfevents
,
984 debug_isis_spfevents_cmd
,
985 "debug " PROTO_NAME
" spf-events",
988 "IS-IS Shortest Path First Events\n")
990 isis
->debugs
|= DEBUG_SPF_EVENTS
;
991 print_debug(vty
, DEBUG_SPF_EVENTS
, 1);
996 DEFUN (no_debug_isis_spfevents
,
997 no_debug_isis_spfevents_cmd
,
998 "no debug " PROTO_NAME
" spf-events",
1002 "IS-IS Shortest Path First Events\n")
1004 isis
->debugs
&= ~DEBUG_SPF_EVENTS
;
1005 print_debug(vty
, DEBUG_SPF_EVENTS
, 0);
1010 DEFUN (debug_isis_rtevents
,
1011 debug_isis_rtevents_cmd
,
1012 "debug " PROTO_NAME
" route-events",
1015 "IS-IS Route related events\n")
1017 isis
->debugs
|= DEBUG_RTE_EVENTS
;
1018 print_debug(vty
, DEBUG_RTE_EVENTS
, 1);
1023 DEFUN (no_debug_isis_rtevents
,
1024 no_debug_isis_rtevents_cmd
,
1025 "no debug " PROTO_NAME
" route-events",
1029 "IS-IS Route related events\n")
1031 isis
->debugs
&= ~DEBUG_RTE_EVENTS
;
1032 print_debug(vty
, DEBUG_RTE_EVENTS
, 0);
1037 DEFUN (debug_isis_events
,
1038 debug_isis_events_cmd
,
1039 "debug " PROTO_NAME
" events",
1044 isis
->debugs
|= DEBUG_EVENTS
;
1045 print_debug(vty
, DEBUG_EVENTS
, 1);
1050 DEFUN (no_debug_isis_events
,
1051 no_debug_isis_events_cmd
,
1052 "no debug " PROTO_NAME
" events",
1058 isis
->debugs
&= ~DEBUG_EVENTS
;
1059 print_debug(vty
, DEBUG_EVENTS
, 0);
1064 DEFUN (debug_isis_packet_dump
,
1065 debug_isis_packet_dump_cmd
,
1066 "debug " PROTO_NAME
" packet-dump",
1069 "IS-IS packet dump\n")
1071 isis
->debugs
|= DEBUG_PACKET_DUMP
;
1072 print_debug(vty
, DEBUG_PACKET_DUMP
, 1);
1077 DEFUN (no_debug_isis_packet_dump
,
1078 no_debug_isis_packet_dump_cmd
,
1079 "no debug " PROTO_NAME
" packet-dump",
1083 "IS-IS packet dump\n")
1085 isis
->debugs
&= ~DEBUG_PACKET_DUMP
;
1086 print_debug(vty
, DEBUG_PACKET_DUMP
, 0);
1091 DEFUN (debug_isis_lsp_gen
,
1092 debug_isis_lsp_gen_cmd
,
1093 "debug " PROTO_NAME
" lsp-gen",
1096 "IS-IS generation of own LSPs\n")
1098 isis
->debugs
|= DEBUG_LSP_GEN
;
1099 print_debug(vty
, DEBUG_LSP_GEN
, 1);
1104 DEFUN (no_debug_isis_lsp_gen
,
1105 no_debug_isis_lsp_gen_cmd
,
1106 "no debug " PROTO_NAME
" lsp-gen",
1110 "IS-IS generation of own LSPs\n")
1112 isis
->debugs
&= ~DEBUG_LSP_GEN
;
1113 print_debug(vty
, DEBUG_LSP_GEN
, 0);
1118 DEFUN (debug_isis_lsp_sched
,
1119 debug_isis_lsp_sched_cmd
,
1120 "debug " PROTO_NAME
" lsp-sched",
1123 "IS-IS scheduling of LSP generation\n")
1125 isis
->debugs
|= DEBUG_LSP_SCHED
;
1126 print_debug(vty
, DEBUG_LSP_SCHED
, 1);
1131 DEFUN (no_debug_isis_lsp_sched
,
1132 no_debug_isis_lsp_sched_cmd
,
1133 "no debug " PROTO_NAME
" lsp-sched",
1137 "IS-IS scheduling of LSP generation\n")
1139 isis
->debugs
&= ~DEBUG_LSP_SCHED
;
1140 print_debug(vty
, DEBUG_LSP_SCHED
, 0);
1145 DEFUN (debug_isis_bfd
,
1147 "debug " PROTO_NAME
" bfd",
1150 PROTO_NAME
" interaction with BFD\n")
1152 isis
->debugs
|= DEBUG_BFD
;
1153 print_debug(vty
, DEBUG_BFD
, 1);
1158 DEFUN (no_debug_isis_bfd
,
1159 no_debug_isis_bfd_cmd
,
1160 "no debug " PROTO_NAME
" bfd",
1164 PROTO_NAME
" interaction with BFD\n")
1166 isis
->debugs
&= ~DEBUG_BFD
;
1167 print_debug(vty
, DEBUG_BFD
, 0);
1172 DEFUN (show_hostname
,
1174 "show " PROTO_NAME
" hostname",
1177 "IS-IS Dynamic hostname mapping\n")
1179 dynhn_print_all(vty
);
1184 DEFUN (show_isis_spf_ietf
,
1185 show_isis_spf_ietf_cmd
,
1186 "show " PROTO_NAME
" spf-delay-ietf",
1189 "SPF delay IETF information\n")
1192 vty_out(vty
, "ISIS is not running\n");
1196 struct listnode
*node
;
1197 struct isis_area
*area
;
1199 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
)) {
1200 vty_out(vty
, "Area %s:\n",
1201 area
->area_tag
? area
->area_tag
: "null");
1203 for (int level
= ISIS_LEVEL1
; level
<= ISIS_LEVELS
; level
++) {
1204 if ((area
->is_type
& level
) == 0)
1207 vty_out(vty
, " Level-%d:\n", level
);
1208 vty_out(vty
, " SPF delay status: ");
1209 if (area
->spf_timer
[level
- 1]) {
1210 struct timeval remain
= thread_timer_remain(
1211 area
->spf_timer
[level
- 1]);
1212 vty_out(vty
, "Pending, due in %lld msec\n",
1213 (long long)remain
.tv_sec
* 1000
1214 + remain
.tv_usec
/ 1000);
1216 vty_out(vty
, "Not scheduled\n");
1219 if (area
->spf_delay_ietf
[level
- 1]) {
1221 " Using draft-ietf-rtgwg-backoff-algo-04\n");
1223 area
->spf_delay_ietf
[level
- 1], vty
,
1226 vty_out(vty
, " Using legacy backoff algo\n");
1233 DEFUN (show_isis_summary
,
1234 show_isis_summary_cmd
,
1235 "show " PROTO_NAME
" summary",
1236 SHOW_STR PROTO_HELP
"summary\n")
1238 struct listnode
*node
, *node2
;
1239 struct isis_area
*area
;
1243 vty_out(vty
, PROTO_NAME
" is not running\n");
1247 vty_out(vty
, "Process Id : %ld\n", isis
->process_id
);
1248 if (isis
->sysid_set
)
1249 vty_out(vty
, "System Id : %s\n",
1250 sysid_print(isis
->sysid
));
1252 vty_out(vty
, "Up time : ");
1253 vty_out_timestr(vty
, isis
->uptime
);
1256 if (isis
->area_list
)
1257 vty_out(vty
, "Number of areas : %d\n", isis
->area_list
->count
);
1259 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
)) {
1260 vty_out(vty
, "Area %s:\n",
1261 area
->area_tag
? area
->area_tag
: "null");
1264 uint8_t tier
= fabricd_tier(area
);
1265 if (tier
== ISIS_TIER_UNDEFINED
)
1266 vty_out(vty
, " Tier: undefined\n");
1268 vty_out(vty
, " Tier: %" PRIu8
"\n", tier
);
1271 if (listcount(area
->area_addrs
) > 0) {
1272 struct area_addr
*area_addr
;
1273 for (ALL_LIST_ELEMENTS_RO(area
->area_addrs
, node2
,
1275 vty_out(vty
, " Net: %s\n",
1276 isonet_print(area_addr
->area_addr
,
1283 vty_out(vty
, " TX counters per PDU type:\n");
1284 pdu_counter_print(vty
, " ", area
->pdu_tx_counters
);
1285 vty_out(vty
, " LSP RXMT: %" PRIu64
"\n",
1286 area
->lsp_rxmt_count
);
1287 vty_out(vty
, " RX counters per PDU type:\n");
1288 pdu_counter_print(vty
, " ", area
->pdu_rx_counters
);
1290 for (level
= ISIS_LEVEL1
; level
<= ISIS_LEVELS
; level
++) {
1291 if ((area
->is_type
& level
) == 0)
1294 vty_out(vty
, " Level-%d:\n", level
);
1296 vty_out(vty
, " LSP0 regenerated: %" PRIu64
"\n",
1297 area
->lsp_gen_count
[level
- 1]);
1299 vty_out(vty
, " LSPs purged: %" PRIu64
"\n",
1300 area
->lsp_purge_count
[level
- 1]);
1302 if (area
->spf_timer
[level
- 1])
1303 vty_out(vty
, " SPF: (pending)\n");
1305 vty_out(vty
, " SPF:\n");
1307 vty_out(vty
, " minimum interval : %d",
1308 area
->min_spf_interval
[level
- 1]);
1309 if (area
->spf_delay_ietf
[level
- 1])
1311 " (not used, IETF SPF delay activated)");
1314 vty_out(vty
, " IPv4 route computation:\n");
1315 isis_spf_print(area
->spftree
[SPFTREE_IPV4
][level
- 1],
1318 vty_out(vty
, " IPv6 route computation:\n");
1319 isis_spf_print(area
->spftree
[SPFTREE_IPV6
][level
- 1],
1322 vty_out(vty
, " IPv6 dst-src route computation:\n");
1323 isis_spf_print(area
->spftree
[SPFTREE_DSTSRC
][level
-1],
1332 struct isis_lsp
*lsp_for_arg(struct lspdb_head
*head
, const char *argv
)
1334 char sysid
[255] = {0};
1337 uint8_t lspid
[ISIS_SYS_ID_LEN
+ 2] = {0};
1338 struct isis_dynhn
*dynhn
;
1339 struct isis_lsp
*lsp
= NULL
;
1345 * extract fragment and pseudo id from the string argv
1347 * (a) <systemid/hostname>.<pseudo-id>-<framenent> or
1348 * (b) <systemid/hostname>.<pseudo-id> or
1349 * (c) <systemid/hostname> or
1350 * Where systemid is in the form:
1354 strlcpy(sysid
, argv
, sizeof(sysid
));
1355 if (argv
&& strlen(argv
) > 3) {
1356 pos
= argv
+ strlen(argv
) - 3;
1357 if (strncmp(pos
, "-", 1) == 0) {
1358 memcpy(number
, ++pos
, 2);
1359 lspid
[ISIS_SYS_ID_LEN
+ 1] =
1360 (uint8_t)strtol((char *)number
, NULL
, 16);
1362 if (strncmp(pos
, ".", 1) != 0)
1365 if (strncmp(pos
, ".", 1) == 0) {
1366 memcpy(number
, ++pos
, 2);
1367 lspid
[ISIS_SYS_ID_LEN
] =
1368 (uint8_t)strtol((char *)number
, NULL
, 16);
1369 sysid
[pos
- argv
- 1] = '\0';
1374 * Try to find the lsp-id if the argv
1377 * hostname.<pseudo-id>-<fragment>
1379 if (sysid2buff(lspid
, sysid
)) {
1380 lsp
= lsp_search(head
, lspid
);
1381 } else if ((dynhn
= dynhn_find_by_name(sysid
))) {
1382 memcpy(lspid
, dynhn
->id
, ISIS_SYS_ID_LEN
);
1383 lsp
= lsp_search(head
, lspid
);
1384 } else if (strncmp(cmd_hostname_get(), sysid
, 15) == 0) {
1385 memcpy(lspid
, isis
->sysid
, ISIS_SYS_ID_LEN
);
1386 lsp
= lsp_search(head
, lspid
);
1393 * This function supports following display options:
1394 * [ show isis database [detail] ]
1395 * [ show isis database <sysid> [detail] ]
1396 * [ show isis database <hostname> [detail] ]
1397 * [ show isis database <sysid>.<pseudo-id> [detail] ]
1398 * [ show isis database <hostname>.<pseudo-id> [detail] ]
1399 * [ show isis database <sysid>.<pseudo-id>-<fragment-number> [detail] ]
1400 * [ show isis database <hostname>.<pseudo-id>-<fragment-number> [detail] ]
1401 * [ show isis database detail <sysid> ]
1402 * [ show isis database detail <hostname> ]
1403 * [ show isis database detail <sysid>.<pseudo-id> ]
1404 * [ show isis database detail <hostname>.<pseudo-id> ]
1405 * [ show isis database detail <sysid>.<pseudo-id>-<fragment-number> ]
1406 * [ show isis database detail <hostname>.<pseudo-id>-<fragment-number> ]
1408 static int show_isis_database(struct vty
*vty
, const char *argv
, int ui_level
)
1410 struct listnode
*node
;
1411 struct isis_area
*area
;
1412 struct isis_lsp
*lsp
;
1413 int level
, lsp_count
;
1415 if (isis
->area_list
->count
== 0)
1418 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
)) {
1419 vty_out(vty
, "Area %s:\n",
1420 area
->area_tag
? area
->area_tag
: "null");
1422 for (level
= 0; level
< ISIS_LEVELS
; level
++) {
1423 if (lspdb_count(&area
->lspdb
[level
]) > 0) {
1424 lsp
= lsp_for_arg(&area
->lspdb
[level
], argv
);
1426 if (lsp
!= NULL
|| argv
== NULL
) {
1428 "IS-IS Level-%d link-state database:\n",
1431 /* print the title in all cases */
1433 "LSP ID PduLen SeqNumber Chksum Holdtime ATT/P/OL\n");
1437 if (ui_level
== ISIS_UI_LEVEL_DETAIL
)
1444 } else if (argv
== NULL
) {
1445 lsp_count
= lsp_print_all(
1446 vty
, &area
->lspdb
[level
],
1447 ui_level
, area
->dynhostname
);
1449 vty_out(vty
, " %u LSPs\n\n",
1459 DEFUN (show_database
,
1461 "show " PROTO_NAME
" database [detail] [WORD]",
1464 "Link state database\n"
1465 "Detailed information\n"
1469 int uilevel
= argv_find(argv
, argc
, "detail", &idx
)
1470 ? ISIS_UI_LEVEL_DETAIL
1471 : ISIS_UI_LEVEL_BRIEF
;
1472 char *id
= argv_find(argv
, argc
, "WORD", &idx
) ? argv
[idx
]->arg
: NULL
;
1473 return show_isis_database(vty
, id
, uilevel
);
1478 * 'router openfabric' command
1480 DEFUN_NOSH (router_openfabric
,
1481 router_openfabric_cmd
,
1482 "router openfabric WORD",
1485 "ISO Routing area tag\n")
1488 return isis_area_get(vty
, argv
[idx_word
]->arg
);
1492 *'no router openfabric' command
1494 DEFUN (no_router_openfabric
,
1495 no_router_openfabric_cmd
,
1496 "no router openfabric WORD",
1500 "ISO Routing area tag\n")
1503 return isis_area_destroy(argv
[idx_word
]->arg
);
1505 #endif /* ifdef FABRICD */
1513 "A Network Entity Title for this process (OSI only)\n"
1514 "XX.XXXX. ... .XXX.XX Network entity title (NET)\n")
1517 return area_net_title(vty
, argv
[idx_word
]->arg
);
1527 "A Network Entity Title for this process (OSI only)\n"
1528 "XX.XXXX. ... .XXX.XX Network entity title (NET)\n")
1531 return area_clear_net_title(vty
, argv
[idx_word
]->arg
);
1533 #endif /* ifdef FABRICD */
1535 DEFUN (isis_topology
,
1537 "topology " ISIS_MT_NAMES
" [overload]",
1538 "Configure IS-IS topologies\n"
1539 ISIS_MT_DESCRIPTIONS
1540 "Set overload bit for topology\n")
1542 VTY_DECLVAR_CONTEXT(isis_area
, area
);
1544 const char *arg
= argv
[1]->arg
;
1545 uint16_t mtid
= isis_str2mtid(arg
);
1547 if (area
->oldmetric
) {
1549 "Multi topology IS-IS can only be used with wide metrics\n");
1550 return CMD_WARNING_CONFIG_FAILED
;
1553 if (mtid
== (uint16_t)-1) {
1554 vty_out(vty
, "Don't know topology '%s'\n", arg
);
1555 return CMD_WARNING_CONFIG_FAILED
;
1557 if (mtid
== ISIS_MT_IPV4_UNICAST
) {
1558 vty_out(vty
, "Cannot configure IPv4 unicast topology\n");
1559 return CMD_WARNING_CONFIG_FAILED
;
1562 area_set_mt_enabled(area
, mtid
, true);
1563 area_set_mt_overload(area
, mtid
, (argc
== 3));
1567 DEFUN (no_isis_topology
,
1568 no_isis_topology_cmd
,
1569 "no topology " ISIS_MT_NAMES
" [overload]",
1571 "Configure IS-IS topologies\n"
1572 ISIS_MT_DESCRIPTIONS
1573 "Set overload bit for topology\n")
1575 VTY_DECLVAR_CONTEXT(isis_area
, area
);
1577 const char *arg
= argv
[2]->arg
;
1578 uint16_t mtid
= isis_str2mtid(arg
);
1580 if (area
->oldmetric
) {
1582 "Multi topology IS-IS can only be used with wide metrics\n");
1583 return CMD_WARNING_CONFIG_FAILED
;
1586 if (mtid
== (uint16_t)-1) {
1587 vty_out(vty
, "Don't know topology '%s'\n", arg
);
1588 return CMD_WARNING_CONFIG_FAILED
;
1590 if (mtid
== ISIS_MT_IPV4_UNICAST
) {
1591 vty_out(vty
, "Cannot configure IPv4 unicast topology\n");
1592 return CMD_WARNING_CONFIG_FAILED
;
1595 area_set_mt_enabled(area
, mtid
, false);
1596 area_set_mt_overload(area
, mtid
, false);
1599 #endif /* ifdef FABRICD */
1601 void isis_area_lsp_mtu_set(struct isis_area
*area
, unsigned int lsp_mtu
)
1603 area
->lsp_mtu
= lsp_mtu
;
1604 lsp_regenerate_schedule(area
, IS_LEVEL_1_AND_2
, 1);
1607 static int isis_area_passwd_set(struct isis_area
*area
, int level
,
1608 uint8_t passwd_type
, const char *passwd
,
1611 struct isis_passwd
*dest
;
1612 struct isis_passwd modified
;
1615 assert((level
== IS_LEVEL_1
) || (level
== IS_LEVEL_2
));
1616 dest
= (level
== IS_LEVEL_1
) ? &area
->area_passwd
1617 : &area
->domain_passwd
;
1618 memset(&modified
, 0, sizeof(modified
));
1620 if (passwd_type
!= ISIS_PASSWD_TYPE_UNUSED
) {
1624 len
= strlen(passwd
);
1629 strlcpy((char *)modified
.passwd
, passwd
,
1630 sizeof(modified
.passwd
));
1631 modified
.type
= passwd_type
;
1632 modified
.snp_auth
= snp_auth
;
1635 if (memcmp(&modified
, dest
, sizeof(modified
))) {
1636 memcpy(dest
, &modified
, sizeof(modified
));
1637 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1643 int isis_area_passwd_unset(struct isis_area
*area
, int level
)
1645 return isis_area_passwd_set(area
, level
, ISIS_PASSWD_TYPE_UNUSED
, NULL
,
1649 int isis_area_passwd_cleartext_set(struct isis_area
*area
, int level
,
1650 const char *passwd
, uint8_t snp_auth
)
1652 return isis_area_passwd_set(area
, level
, ISIS_PASSWD_TYPE_CLEARTXT
,
1656 int isis_area_passwd_hmac_md5_set(struct isis_area
*area
, int level
,
1657 const char *passwd
, uint8_t snp_auth
)
1659 return isis_area_passwd_set(area
, level
, ISIS_PASSWD_TYPE_HMAC_MD5
,
1663 void isis_area_invalidate_routes(struct isis_area
*area
, int levels
)
1665 for (int level
= ISIS_LEVEL1
; level
<= ISIS_LEVEL2
; level
++) {
1666 if (!(level
& levels
))
1668 for (int tree
= SPFTREE_IPV4
; tree
< SPFTREE_COUNT
; tree
++) {
1669 isis_spf_invalidate_routes(
1670 area
->spftree
[tree
][level
- 1]);
1675 void isis_area_verify_routes(struct isis_area
*area
)
1677 for (int tree
= SPFTREE_IPV4
; tree
< SPFTREE_COUNT
; tree
++)
1678 isis_spf_verify_routes(area
, area
->spftree
[tree
]);
1681 static void area_resign_level(struct isis_area
*area
, int level
)
1683 isis_area_invalidate_routes(area
, level
);
1684 isis_area_verify_routes(area
);
1686 lsp_db_fini(&area
->lspdb
[level
- 1]);
1688 for (int tree
= SPFTREE_IPV4
; tree
< SPFTREE_COUNT
; tree
++) {
1689 if (area
->spftree
[tree
][level
- 1]) {
1690 isis_spftree_del(area
->spftree
[tree
][level
- 1]);
1691 area
->spftree
[tree
][level
- 1] = NULL
;
1695 THREAD_TIMER_OFF(area
->spf_timer
[level
- 1]);
1698 "ISIS (%s): Resigned from L%d - canceling LSP regeneration timer.",
1699 area
->area_tag
, level
);
1700 THREAD_TIMER_OFF(area
->t_lsp_refresh
[level
- 1]);
1701 area
->lsp_regenerate_pending
[level
- 1] = 0;
1704 void isis_area_is_type_set(struct isis_area
*area
, int is_type
)
1706 struct listnode
*node
;
1707 struct isis_circuit
*circuit
;
1709 if (isis
->debugs
& DEBUG_EVENTS
)
1710 zlog_debug("ISIS-Evt (%s) system type change %s -> %s",
1711 area
->area_tag
, circuit_t2string(area
->is_type
),
1712 circuit_t2string(is_type
));
1714 if (area
->is_type
== is_type
)
1715 return; /* No change */
1717 switch (area
->is_type
) {
1719 if (is_type
== IS_LEVEL_2
)
1720 area_resign_level(area
, IS_LEVEL_1
);
1722 lsp_db_init(&area
->lspdb
[1]);
1725 case IS_LEVEL_1_AND_2
:
1726 if (is_type
== IS_LEVEL_1
)
1727 area_resign_level(area
, IS_LEVEL_2
);
1729 area_resign_level(area
, IS_LEVEL_1
);
1733 if (is_type
== IS_LEVEL_1
)
1734 area_resign_level(area
, IS_LEVEL_2
);
1736 lsp_db_init(&area
->lspdb
[0]);
1743 area
->is_type
= is_type
;
1745 /* override circuit's is_type */
1746 if (area
->is_type
!= IS_LEVEL_1_AND_2
) {
1747 for (ALL_LIST_ELEMENTS_RO(area
->circuit_list
, node
, circuit
))
1748 isis_circuit_is_type_set(circuit
, is_type
);
1751 spftree_area_init(area
);
1753 if (listcount(area
->area_addrs
) > 0) {
1754 if (is_type
& IS_LEVEL_1
)
1755 lsp_generate(area
, IS_LEVEL_1
);
1756 if (is_type
& IS_LEVEL_2
)
1757 lsp_generate(area
, IS_LEVEL_2
);
1759 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1764 void isis_area_metricstyle_set(struct isis_area
*area
, bool old_metric
,
1767 area
->oldmetric
= old_metric
;
1768 area
->newmetric
= new_metric
;
1769 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1772 void isis_area_overload_bit_set(struct isis_area
*area
, bool overload_bit
)
1774 char new_overload_bit
= overload_bit
? LSPBIT_OL
: 0;
1776 if (new_overload_bit
!= area
->overload_bit
) {
1777 area
->overload_bit
= new_overload_bit
;
1778 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1781 isis_notif_db_overload(area
, overload_bit
);
1782 #endif /* ifndef FABRICD */
1785 void isis_area_attached_bit_set(struct isis_area
*area
, bool attached_bit
)
1787 char new_attached_bit
= attached_bit
? LSPBIT_ATT
: 0;
1789 if (new_attached_bit
!= area
->attached_bit
) {
1790 area
->attached_bit
= new_attached_bit
;
1791 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 1);
1795 void isis_area_dynhostname_set(struct isis_area
*area
, bool dynhostname
)
1797 if (area
->dynhostname
!= dynhostname
) {
1798 area
->dynhostname
= dynhostname
;
1799 lsp_regenerate_schedule(area
, IS_LEVEL_1
| IS_LEVEL_2
, 0);
1803 void isis_area_max_lsp_lifetime_set(struct isis_area
*area
, int level
,
1804 uint16_t max_lsp_lifetime
)
1806 assert((level
== IS_LEVEL_1
) || (level
== IS_LEVEL_2
));
1808 if (area
->max_lsp_lifetime
[level
- 1] == max_lsp_lifetime
)
1811 area
->max_lsp_lifetime
[level
- 1] = max_lsp_lifetime
;
1812 lsp_regenerate_schedule(area
, level
, 1);
1815 void isis_area_lsp_refresh_set(struct isis_area
*area
, int level
,
1816 uint16_t lsp_refresh
)
1818 assert((level
== IS_LEVEL_1
) || (level
== IS_LEVEL_2
));
1820 if (area
->lsp_refresh
[level
- 1] == lsp_refresh
)
1823 area
->lsp_refresh
[level
- 1] = lsp_refresh
;
1824 lsp_regenerate_schedule(area
, level
, 1);
1828 DEFUN (log_adj_changes
,
1829 log_adj_changes_cmd
,
1830 "log-adjacency-changes",
1831 "Log changes in adjacency state\n")
1833 VTY_DECLVAR_CONTEXT(isis_area
, area
);
1835 area
->log_adj_changes
= 1;
1840 DEFUN (no_log_adj_changes
,
1841 no_log_adj_changes_cmd
,
1842 "no log-adjacency-changes",
1844 "Stop logging changes in adjacency state\n")
1846 VTY_DECLVAR_CONTEXT(isis_area
, area
);
1848 area
->log_adj_changes
= 0;
1852 #endif /* ifdef FABRICD */
1854 /* IS-IS configuration write function */
1855 int isis_config_write(struct vty
*vty
)
1860 struct isis_area
*area
;
1861 struct listnode
*node
, *node2
;
1863 for (ALL_LIST_ELEMENTS_RO(isis
->area_list
, node
, area
)) {
1864 /* ISIS - Area name */
1865 vty_out(vty
, "router " PROTO_NAME
" %s\n", area
->area_tag
);
1868 if (listcount(area
->area_addrs
) > 0) {
1869 struct area_addr
*area_addr
;
1870 for (ALL_LIST_ELEMENTS_RO(area
->area_addrs
,
1871 node2
, area_addr
)) {
1872 vty_out(vty
, " net %s\n",
1874 area_addr
->area_addr
,
1881 /* ISIS - Dynamic hostname - Defaults to true so only
1884 if (!area
->dynhostname
) {
1885 vty_out(vty
, " no hostname dynamic\n");
1888 /* ISIS - Metric-Style - when true displays wide */
1890 if (area
->newmetric
) {
1891 if (!area
->oldmetric
)
1892 vty_out(vty
, " metric-style wide\n");
1895 " metric-style transition\n");
1898 vty_out(vty
, " metric-style narrow\n");
1902 /* ISIS - overload-bit */
1903 if (area
->overload_bit
) {
1904 vty_out(vty
, " set-overload-bit\n");
1907 /* ISIS - Area is-type (level-1-2 is default) */
1909 if (area
->is_type
== IS_LEVEL_1
) {
1910 vty_out(vty
, " is-type level-1\n");
1912 } else if (area
->is_type
== IS_LEVEL_2
) {
1913 vty_out(vty
, " is-type level-2-only\n");
1917 write
+= isis_redist_config_write(vty
, area
, AF_INET
);
1918 write
+= isis_redist_config_write(vty
, area
, AF_INET6
);
1919 /* ISIS - Lsp generation interval */
1920 if (area
->lsp_gen_interval
[0]
1921 == area
->lsp_gen_interval
[1]) {
1922 if (area
->lsp_gen_interval
[0]
1923 != DEFAULT_MIN_LSP_GEN_INTERVAL
) {
1924 vty_out(vty
, " lsp-gen-interval %d\n",
1925 area
->lsp_gen_interval
[0]);
1929 if (area
->lsp_gen_interval
[0]
1930 != DEFAULT_MIN_LSP_GEN_INTERVAL
) {
1932 " lsp-gen-interval level-1 %d\n",
1933 area
->lsp_gen_interval
[0]);
1936 if (area
->lsp_gen_interval
[1]
1937 != DEFAULT_MIN_LSP_GEN_INTERVAL
) {
1939 " lsp-gen-interval level-2 %d\n",
1940 area
->lsp_gen_interval
[1]);
1944 /* ISIS - LSP lifetime */
1945 if (area
->max_lsp_lifetime
[0]
1946 == area
->max_lsp_lifetime
[1]) {
1947 if (area
->max_lsp_lifetime
[0]
1948 != DEFAULT_LSP_LIFETIME
) {
1949 vty_out(vty
, " max-lsp-lifetime %u\n",
1950 area
->max_lsp_lifetime
[0]);
1954 if (area
->max_lsp_lifetime
[0]
1955 != DEFAULT_LSP_LIFETIME
) {
1957 " max-lsp-lifetime level-1 %u\n",
1958 area
->max_lsp_lifetime
[0]);
1961 if (area
->max_lsp_lifetime
[1]
1962 != DEFAULT_LSP_LIFETIME
) {
1964 " max-lsp-lifetime level-2 %u\n",
1965 area
->max_lsp_lifetime
[1]);
1969 /* ISIS - LSP refresh interval */
1970 if (area
->lsp_refresh
[0] == area
->lsp_refresh
[1]) {
1971 if (area
->lsp_refresh
[0]
1972 != DEFAULT_MAX_LSP_GEN_INTERVAL
) {
1974 " lsp-refresh-interval %u\n",
1975 area
->lsp_refresh
[0]);
1979 if (area
->lsp_refresh
[0]
1980 != DEFAULT_MAX_LSP_GEN_INTERVAL
) {
1982 " lsp-refresh-interval level-1 %u\n",
1983 area
->lsp_refresh
[0]);
1986 if (area
->lsp_refresh
[1]
1987 != DEFAULT_MAX_LSP_GEN_INTERVAL
) {
1989 " lsp-refresh-interval level-2 %u\n",
1990 area
->lsp_refresh
[1]);
1994 if (area
->lsp_mtu
!= DEFAULT_LSP_MTU
) {
1995 vty_out(vty
, " lsp-mtu %u\n", area
->lsp_mtu
);
1998 if (area
->purge_originator
) {
1999 vty_out(vty
, " purge-originator\n");
2003 /* Minimum SPF interval. */
2004 if (area
->min_spf_interval
[0]
2005 == area
->min_spf_interval
[1]) {
2006 if (area
->min_spf_interval
[0]
2007 != MINIMUM_SPF_INTERVAL
) {
2008 vty_out(vty
, " spf-interval %d\n",
2009 area
->min_spf_interval
[0]);
2013 if (area
->min_spf_interval
[0]
2014 != MINIMUM_SPF_INTERVAL
) {
2016 " spf-interval level-1 %d\n",
2017 area
->min_spf_interval
[0]);
2020 if (area
->min_spf_interval
[1]
2021 != MINIMUM_SPF_INTERVAL
) {
2023 " spf-interval level-2 %d\n",
2024 area
->min_spf_interval
[1]);
2029 /* IETF SPF interval */
2030 if (area
->spf_delay_ietf
[0]) {
2032 " spf-delay-ietf init-delay %ld short-delay %ld long-delay %ld holddown %ld time-to-learn %ld\n",
2033 spf_backoff_init_delay(
2034 area
->spf_delay_ietf
[0]),
2035 spf_backoff_short_delay(
2036 area
->spf_delay_ietf
[0]),
2037 spf_backoff_long_delay(
2038 area
->spf_delay_ietf
[0]),
2039 spf_backoff_holddown(
2040 area
->spf_delay_ietf
[0]),
2041 spf_backoff_timetolearn(
2042 area
->spf_delay_ietf
[0]));
2046 /* Authentication passwords. */
2047 if (area
->area_passwd
.type
2048 == ISIS_PASSWD_TYPE_HMAC_MD5
) {
2049 vty_out(vty
, " area-password md5 %s",
2050 area
->area_passwd
.passwd
);
2051 if (CHECK_FLAG(area
->area_passwd
.snp_auth
,
2053 vty_out(vty
, " authenticate snp ");
2055 area
->area_passwd
.snp_auth
,
2057 vty_out(vty
, "validate");
2059 vty_out(vty
, "send-only");
2063 } else if (area
->area_passwd
.type
2064 == ISIS_PASSWD_TYPE_CLEARTXT
) {
2065 vty_out(vty
, " area-password clear %s",
2066 area
->area_passwd
.passwd
);
2067 if (CHECK_FLAG(area
->area_passwd
.snp_auth
,
2069 vty_out(vty
, " authenticate snp ");
2071 area
->area_passwd
.snp_auth
,
2073 vty_out(vty
, "validate");
2075 vty_out(vty
, "send-only");
2080 if (area
->domain_passwd
.type
2081 == ISIS_PASSWD_TYPE_HMAC_MD5
) {
2082 vty_out(vty
, " domain-password md5 %s",
2083 area
->domain_passwd
.passwd
);
2084 if (CHECK_FLAG(area
->domain_passwd
.snp_auth
,
2086 vty_out(vty
, " authenticate snp ");
2087 if (CHECK_FLAG(area
->domain_passwd
2090 vty_out(vty
, "validate");
2092 vty_out(vty
, "send-only");
2096 } else if (area
->domain_passwd
.type
2097 == ISIS_PASSWD_TYPE_CLEARTXT
) {
2098 vty_out(vty
, " domain-password clear %s",
2099 area
->domain_passwd
.passwd
);
2100 if (CHECK_FLAG(area
->domain_passwd
.snp_auth
,
2102 vty_out(vty
, " authenticate snp ");
2103 if (CHECK_FLAG(area
->domain_passwd
2106 vty_out(vty
, "validate");
2108 vty_out(vty
, "send-only");
2114 if (area
->log_adj_changes
) {
2115 vty_out(vty
, " log-adjacency-changes\n");
2119 write
+= area_write_mt_settings(area
, vty
);
2120 write
+= fabricd_write_settings(area
, vty
);
2128 /* IS-IS configuration write function */
2129 int isis_config_write(struct vty
*vty
)
2132 struct lyd_node
*dnode
;
2134 dnode
= yang_dnode_get(running_config
->dnode
, "/frr-isisd:isis");
2136 nb_cli_show_dnode_cmds(vty
, dnode
, false);
2142 #endif /* ifdef FABRICD */
2144 struct cmd_node router_node
= {ROUTER_NODE
, "%s(config-router)# ", 1};
2146 void isis_init(void)
2148 /* Install IS-IS top node */
2149 install_node(&router_node
, isis_config_write
);
2151 install_element(VIEW_NODE
, &show_isis_summary_cmd
);
2153 install_element(VIEW_NODE
, &show_isis_spf_ietf_cmd
);
2155 install_element(VIEW_NODE
, &show_isis_interface_cmd
);
2156 install_element(VIEW_NODE
, &show_isis_interface_detail_cmd
);
2157 install_element(VIEW_NODE
, &show_isis_interface_arg_cmd
);
2159 install_element(VIEW_NODE
, &show_isis_neighbor_cmd
);
2160 install_element(VIEW_NODE
, &show_isis_neighbor_detail_cmd
);
2161 install_element(VIEW_NODE
, &show_isis_neighbor_arg_cmd
);
2162 install_element(VIEW_NODE
, &clear_isis_neighbor_cmd
);
2163 install_element(VIEW_NODE
, &clear_isis_neighbor_arg_cmd
);
2165 install_element(VIEW_NODE
, &show_hostname_cmd
);
2166 install_element(VIEW_NODE
, &show_database_cmd
);
2168 install_element(ENABLE_NODE
, &show_debugging_isis_cmd
);
2170 install_node(&debug_node
, config_write_debug
);
2172 install_element(ENABLE_NODE
, &debug_isis_adj_cmd
);
2173 install_element(ENABLE_NODE
, &no_debug_isis_adj_cmd
);
2174 install_element(ENABLE_NODE
, &debug_isis_tx_queue_cmd
);
2175 install_element(ENABLE_NODE
, &no_debug_isis_tx_queue_cmd
);
2176 install_element(ENABLE_NODE
, &debug_isis_flooding_cmd
);
2177 install_element(ENABLE_NODE
, &no_debug_isis_flooding_cmd
);
2178 install_element(ENABLE_NODE
, &debug_isis_snp_cmd
);
2179 install_element(ENABLE_NODE
, &no_debug_isis_snp_cmd
);
2180 install_element(ENABLE_NODE
, &debug_isis_upd_cmd
);
2181 install_element(ENABLE_NODE
, &no_debug_isis_upd_cmd
);
2182 install_element(ENABLE_NODE
, &debug_isis_spfevents_cmd
);
2183 install_element(ENABLE_NODE
, &no_debug_isis_spfevents_cmd
);
2184 install_element(ENABLE_NODE
, &debug_isis_rtevents_cmd
);
2185 install_element(ENABLE_NODE
, &no_debug_isis_rtevents_cmd
);
2186 install_element(ENABLE_NODE
, &debug_isis_events_cmd
);
2187 install_element(ENABLE_NODE
, &no_debug_isis_events_cmd
);
2188 install_element(ENABLE_NODE
, &debug_isis_packet_dump_cmd
);
2189 install_element(ENABLE_NODE
, &no_debug_isis_packet_dump_cmd
);
2190 install_element(ENABLE_NODE
, &debug_isis_lsp_gen_cmd
);
2191 install_element(ENABLE_NODE
, &no_debug_isis_lsp_gen_cmd
);
2192 install_element(ENABLE_NODE
, &debug_isis_lsp_sched_cmd
);
2193 install_element(ENABLE_NODE
, &no_debug_isis_lsp_sched_cmd
);
2194 install_element(ENABLE_NODE
, &debug_isis_bfd_cmd
);
2195 install_element(ENABLE_NODE
, &no_debug_isis_bfd_cmd
);
2197 install_element(CONFIG_NODE
, &debug_isis_adj_cmd
);
2198 install_element(CONFIG_NODE
, &no_debug_isis_adj_cmd
);
2199 install_element(CONFIG_NODE
, &debug_isis_tx_queue_cmd
);
2200 install_element(CONFIG_NODE
, &no_debug_isis_tx_queue_cmd
);
2201 install_element(CONFIG_NODE
, &debug_isis_flooding_cmd
);
2202 install_element(CONFIG_NODE
, &no_debug_isis_flooding_cmd
);
2203 install_element(CONFIG_NODE
, &debug_isis_snp_cmd
);
2204 install_element(CONFIG_NODE
, &no_debug_isis_snp_cmd
);
2205 install_element(CONFIG_NODE
, &debug_isis_upd_cmd
);
2206 install_element(CONFIG_NODE
, &no_debug_isis_upd_cmd
);
2207 install_element(CONFIG_NODE
, &debug_isis_spfevents_cmd
);
2208 install_element(CONFIG_NODE
, &no_debug_isis_spfevents_cmd
);
2209 install_element(CONFIG_NODE
, &debug_isis_rtevents_cmd
);
2210 install_element(CONFIG_NODE
, &no_debug_isis_rtevents_cmd
);
2211 install_element(CONFIG_NODE
, &debug_isis_events_cmd
);
2212 install_element(CONFIG_NODE
, &no_debug_isis_events_cmd
);
2213 install_element(CONFIG_NODE
, &debug_isis_packet_dump_cmd
);
2214 install_element(CONFIG_NODE
, &no_debug_isis_packet_dump_cmd
);
2215 install_element(CONFIG_NODE
, &debug_isis_lsp_gen_cmd
);
2216 install_element(CONFIG_NODE
, &no_debug_isis_lsp_gen_cmd
);
2217 install_element(CONFIG_NODE
, &debug_isis_lsp_sched_cmd
);
2218 install_element(CONFIG_NODE
, &no_debug_isis_lsp_sched_cmd
);
2219 install_element(CONFIG_NODE
, &debug_isis_bfd_cmd
);
2220 install_element(CONFIG_NODE
, &no_debug_isis_bfd_cmd
);
2222 install_default(ROUTER_NODE
);
2225 install_element(CONFIG_NODE
, &router_openfabric_cmd
);
2226 install_element(CONFIG_NODE
, &no_router_openfabric_cmd
);
2228 install_element(ROUTER_NODE
, &net_cmd
);
2229 install_element(ROUTER_NODE
, &no_net_cmd
);
2231 install_element(ROUTER_NODE
, &isis_topology_cmd
);
2232 install_element(ROUTER_NODE
, &no_isis_topology_cmd
);
2234 install_element(ROUTER_NODE
, &log_adj_changes_cmd
);
2235 install_element(ROUTER_NODE
, &no_log_adj_changes_cmd
);
2236 #endif /* ifdef FABRICD */
2238 spf_backoff_cmd_init();