2 * EIGRP Dump Functions and Debugging.
3 * Copyright (C) 2013-2014
11 * This file is part of GNU Zebra.
13 * GNU Zebra is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the
15 * Free Software Foundation; either version 2, or (at your option) any
18 * GNU Zebra is distributed in the hope that it will be useful, but
19 * WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 * General Public License for more details.
23 * You should have received a copy of the GNU General Public License along
24 * with this program; see the file COPYING; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
40 #include "eigrpd/eigrp_structs.h"
41 #include "eigrpd/eigrpd.h"
42 #include "eigrpd/eigrp_interface.h"
43 #include "eigrpd/eigrp_neighbor.h"
44 #include "eigrpd/eigrp_packet.h"
45 #include "eigrpd/eigrp_zebra.h"
46 #include "eigrpd/eigrp_vty.h"
47 #include "eigrpd/eigrp_network.h"
48 #include "eigrpd/eigrp_dump.h"
49 #include "eigrpd/eigrp_topology.h"
51 /* Enable debug option variables -- valid only session. */
52 unsigned long term_debug_eigrp
= 0;
53 unsigned long term_debug_eigrp_nei
= 0;
54 unsigned long term_debug_eigrp_packet
[11] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
55 unsigned long term_debug_eigrp_zebra
= 6;
56 unsigned long term_debug_eigrp_transmit
= 0;
58 /* Configuration debug option variables. */
59 unsigned long conf_debug_eigrp
= 0;
60 unsigned long conf_debug_eigrp_nei
= 0;
61 unsigned long conf_debug_eigrp_packet
[11] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
62 unsigned long conf_debug_eigrp_zebra
= 0;
63 unsigned long conf_debug_eigrp_transmit
= 0;
66 static int config_write_debug(struct vty
*vty
)
71 const char *type_str
[] = {"update", "request", "query", "reply",
72 "hello", "", "probe", "ack",
73 "", "SIA query", "SIA reply", "stub",
75 const char *detail_str
[] = {
76 "", " send", " recv", "",
77 " detail", " send detail", " recv detail", " detail"};
80 /* debug eigrp event. */
82 /* debug eigrp packet */
83 for (i
= 0; i
< 10; i
++) {
84 if (conf_debug_eigrp_packet
[i
] == 0
85 && term_debug_eigrp_packet
[i
] == 0)
88 vty_out(vty
, "debug eigrp packet %s%s\n", type_str
[i
],
89 detail_str
[conf_debug_eigrp_packet
[i
]]);
96 static int eigrp_neighbor_packet_queue_sum(struct eigrp_interface
*ei
)
98 struct eigrp_neighbor
*nbr
;
99 struct listnode
*node
, *nnode
;
103 for (ALL_LIST_ELEMENTS(ei
->nbrs
, node
, nnode
, nbr
)) {
104 sum
+= nbr
->retrans_queue
->count
;
111 * Expects header to be in host order
113 void eigrp_ip_header_dump(struct ip
*iph
)
115 /* IP Header dump. */
116 zlog_debug("ip_v %u", iph
->ip_v
);
117 zlog_debug("ip_hl %u", iph
->ip_hl
);
118 zlog_debug("ip_tos %u", iph
->ip_tos
);
119 zlog_debug("ip_len %u", iph
->ip_len
);
120 zlog_debug("ip_id %u", (u_int32_t
)iph
->ip_id
);
121 zlog_debug("ip_off %u", (u_int32_t
)iph
->ip_off
);
122 zlog_debug("ip_ttl %u", iph
->ip_ttl
);
123 zlog_debug("ip_p %u", iph
->ip_p
);
124 zlog_debug("ip_sum 0x%x", (u_int32_t
)iph
->ip_sum
);
125 zlog_debug("ip_src %s", inet_ntoa(iph
->ip_src
));
126 zlog_debug("ip_dst %s", inet_ntoa(iph
->ip_dst
));
130 * Expects header to be in host order
132 void eigrp_header_dump(struct eigrp_header
*eigrph
)
134 /* EIGRP Header dump. */
135 zlog_debug("eigrp_version %u", eigrph
->version
);
136 zlog_debug("eigrp_opcode %u", eigrph
->opcode
);
137 zlog_debug("eigrp_checksum 0x%x", ntohs(eigrph
->checksum
));
138 zlog_debug("eigrp_flags 0x%x", ntohl(eigrph
->flags
));
139 zlog_debug("eigrp_sequence %u", ntohl(eigrph
->sequence
));
140 zlog_debug("eigrp_ack %u", ntohl(eigrph
->ack
));
141 zlog_debug("eigrp_vrid %u", ntohs(eigrph
->vrid
));
142 zlog_debug("eigrp_AS %u", ntohs(eigrph
->ASNumber
));
145 const char *eigrp_if_name_string(struct eigrp_interface
*ei
)
147 static char buf
[EIGRP_IF_STRING_MAXLEN
] = "";
152 snprintf(buf
, EIGRP_IF_STRING_MAXLEN
, "%s", ei
->ifp
->name
);
156 const char *eigrp_topology_ip_string(struct eigrp_prefix_entry
*tn
)
158 static char buf
[EIGRP_IF_STRING_MAXLEN
] = "";
161 ifaddr
= ntohl(tn
->destination_ipv4
->prefix
.s_addr
);
162 snprintf(buf
, EIGRP_IF_STRING_MAXLEN
, "%u.%u.%u.%u",
163 (ifaddr
>> 24) & 0xff, (ifaddr
>> 16) & 0xff,
164 (ifaddr
>> 8) & 0xff, ifaddr
& 0xff);
169 const char *eigrp_if_ip_string(struct eigrp_interface
*ei
)
171 static char buf
[EIGRP_IF_STRING_MAXLEN
] = "";
177 ifaddr
= ntohl(ei
->address
->u
.prefix4
.s_addr
);
178 snprintf(buf
, EIGRP_IF_STRING_MAXLEN
, "%u.%u.%u.%u",
179 (ifaddr
>> 24) & 0xff, (ifaddr
>> 16) & 0xff,
180 (ifaddr
>> 8) & 0xff, ifaddr
& 0xff);
185 const char *eigrp_neigh_ip_string(struct eigrp_neighbor
*nbr
)
187 static char buf
[EIGRP_IF_STRING_MAXLEN
] = "";
190 ifaddr
= ntohl(nbr
->src
.s_addr
);
191 snprintf(buf
, EIGRP_IF_STRING_MAXLEN
, "%u.%u.%u.%u",
192 (ifaddr
>> 24) & 0xff, (ifaddr
>> 16) & 0xff,
193 (ifaddr
>> 8) & 0xff, ifaddr
& 0xff);
198 void show_ip_eigrp_interface_header(struct vty
*vty
, struct eigrp
*eigrp
)
202 "\nEIGRP interfaces for AS(%d)\n\n %-10s %-10s %-10s %-6s %-12s %-7s %-14s %-12s %-8s %-8s %-8s\n %-39s %-12s %-7s %-14s %-12s %-8s\n",
203 eigrp
->AS
, "Interface", "Bandwidth", "Delay", "Peers",
204 "Xmit Queue", "Mean", "Pacing Time", "Multicast", "Pending",
205 "Hello", "Holdtime", "", "Un/Reliable", "SRTT", "Un/Reliable",
206 "Flow Timer", "Routes");
209 void show_ip_eigrp_interface_sub(struct vty
*vty
, struct eigrp
*eigrp
,
210 struct eigrp_interface
*ei
)
212 vty_out(vty
, "%-11s ", eigrp_if_name_string(ei
));
213 vty_out(vty
, "%-11u", IF_DEF_PARAMS(ei
->ifp
)->bandwidth
);
214 vty_out(vty
, "%-11u", IF_DEF_PARAMS(ei
->ifp
)->delay
);
215 vty_out(vty
, "%-7u", ei
->nbrs
->count
);
216 vty_out(vty
, "%u %c %-10u", 0, '/',
217 eigrp_neighbor_packet_queue_sum(ei
));
218 vty_out(vty
, "%-7u %-14u %-12u %-8u", 0, 0, 0, 0);
219 vty_out(vty
, "%-8u %-8u \n", IF_DEF_PARAMS(ei
->ifp
)->v_hello
,
220 IF_DEF_PARAMS(ei
->ifp
)->v_wait
);
223 void show_ip_eigrp_interface_detail(struct vty
*vty
, struct eigrp
*eigrp
,
224 struct eigrp_interface
*ei
)
226 vty_out(vty
, "%-2s %s %d %-3s \n", "", "Hello interval is ", 0, " sec");
227 vty_out(vty
, "%-2s %s %s \n", "", "Next xmit serial", "<none>");
228 vty_out(vty
, "%-2s %s %d %s %d %s %d %s %d \n", "",
229 "Un/reliable mcasts: ", 0, "/", 0, "Un/reliable ucasts: ", 0,
231 vty_out(vty
, "%-2s %s %d %s %d %s %d \n", "", "Mcast exceptions: ", 0,
232 " CR packets: ", 0, " ACKs supressed: ", 0);
233 vty_out(vty
, "%-2s %s %d %s %d \n", "", "Retransmissions sent: ", 0,
234 "Out-of-sequence rcvd: ", 0);
235 vty_out(vty
, "%-2s %s %s %s \n", "", "Authentication mode is ", "not",
237 vty_out(vty
, "%-2s %s \n", "", "Use multicast");
240 void show_ip_eigrp_neighbor_header(struct vty
*vty
, struct eigrp
*eigrp
)
243 "\nEIGRP neighbors for AS(%d)\n\n%-3s %-17s %-20s %-6s %-8s %-6s %-5s %-5s %-5s\n %-41s %-6s %-8s %-6s %-4s %-6s %-5s \n",
244 eigrp
->AS
, "H", "Address", "Interface", "Hold", "Uptime",
245 "SRTT", "RTO", "Q", "Seq", "", "(sec)", "", "(ms)", "", "Cnt",
249 void show_ip_eigrp_neighbor_sub(struct vty
*vty
, struct eigrp_neighbor
*nbr
,
253 vty_out(vty
, "%-3u %-17s %-21s", 0, eigrp_neigh_ip_string(nbr
),
254 eigrp_if_name_string(nbr
->ei
));
256 vty_out(vty
, "%-7lu", thread_timer_remain_second(nbr
->t_holddown
));
259 vty_out(vty
, "%-8u %-6u %-5u", 0, 0, EIGRP_PACKET_RETRANS_TIME
);
260 vty_out(vty
, "%-7lu", nbr
->retrans_queue
->count
);
261 vty_out(vty
, "%u\n", nbr
->recv_sequence_number
);
265 vty_out(vty
, " Version %u.%u/%u.%u", nbr
->os_rel_major
,
266 nbr
->os_rel_minor
, nbr
->tlv_rel_major
,
268 vty_out(vty
, ", Retrans: %lu, Retries: %lu",
269 nbr
->retrans_queue
->count
, 0UL);
270 vty_out(vty
, ", %s\n", eigrp_nbr_state_str(nbr
));
275 * Print standard header for show EIGRP topology output
277 void show_ip_eigrp_topology_header(struct vty
*vty
, struct eigrp
*eigrp
)
279 struct in_addr router_id
;
280 router_id
.s_addr
= eigrp
->router_id
;
282 vty_out(vty
, "\nEIGRP Topology Table for AS(%d)/ID(%s)\n\n", eigrp
->AS
,
283 inet_ntoa(router_id
));
285 "Codes: P - Passive, A - Active, U - Update, Q - Query, "
286 "R - Reply\n r - reply Status, s - sia Status\n\n");
289 void show_ip_eigrp_prefix_entry(struct vty
*vty
, struct eigrp_prefix_entry
*tn
)
291 struct list
*successors
= eigrp_topology_get_successor(tn
);
293 vty_out(vty
, "%-3c", (tn
->state
> 0) ? 'A' : 'P');
295 vty_out(vty
, "%s/%u, ", inet_ntoa(tn
->destination_ipv4
->prefix
),
296 tn
->destination_ipv4
->prefixlen
);
297 vty_out(vty
, "%u successors, ", successors
->count
);
298 vty_out(vty
, "FD is %u, serno: %" PRIu64
" \n", tn
->fdistance
,
301 list_delete(successors
);
304 void show_ip_eigrp_neighbor_entry(struct vty
*vty
, struct eigrp
*eigrp
,
305 struct eigrp_neighbor_entry
*te
, int *first
)
307 if (te
->reported_distance
== EIGRP_MAX_METRIC
)
311 show_ip_eigrp_prefix_entry(vty
, te
->prefix
);
315 if (te
->adv_router
== eigrp
->neighbor_self
)
316 vty_out(vty
, "%-7s%s, %s\n", " ", "via Connected",
317 eigrp_if_name_string(te
->ei
));
319 vty_out(vty
, "%-7s%s%s (%u/%u), %s\n", " ", "via ",
320 inet_ntoa(te
->adv_router
->src
), te
->distance
,
321 te
->reported_distance
, eigrp_if_name_string(te
->ei
));
326 DEFUN (show_debugging_eigrp
,
327 show_debugging_eigrp_cmd
,
328 "show debugging eigrp",
335 vty_out(vty
, "EIGRP debugging status:\n");
337 /* Show debug status for events. */
338 if (IS_DEBUG_EIGRP(event
, EVENT
))
339 vty_out(vty
, " EIGRP event debugging is on\n");
341 /* Show debug status for EIGRP Packets. */
342 for (i
= 0; i
< 11; i
++) {
346 if (IS_DEBUG_EIGRP_PACKET(i
, SEND
)
347 && IS_DEBUG_EIGRP_PACKET(i
, RECV
)) {
348 vty_out(vty
, " EIGRP packet %s%s debugging is on\n",
349 lookup_msg(eigrp_packet_type_str
, i
+ 1, NULL
),
350 IS_DEBUG_EIGRP_PACKET(i
, PACKET_DETAIL
)
354 if (IS_DEBUG_EIGRP_PACKET(i
, SEND
))
356 " EIGRP packet %s send%s debugging is on\n",
357 lookup_msg(eigrp_packet_type_str
, i
+ 1,
359 IS_DEBUG_EIGRP_PACKET(i
, PACKET_DETAIL
)
362 if (IS_DEBUG_EIGRP_PACKET(i
, RECV
))
364 " EIGRP packet %s receive%s debugging is on\n",
365 lookup_msg(eigrp_packet_type_str
, i
+ 1,
367 IS_DEBUG_EIGRP_PACKET(i
, PACKET_DETAIL
)
378 [no] debug eigrp packet (hello|dd|ls-request|ls-update|ls-ack|all)
382 DEFUN (debug_eigrp_transmit
,
383 debug_eigrp_transmit_cmd
,
384 "debug eigrp transmit <send|recv|all> [detail]",
387 "EIGRP transmission events\n"
391 "Detailed Information\n")
397 if (argv_find(argv
, argc
, "send", &idx
))
398 flag
= EIGRP_DEBUG_SEND
;
399 else if (argv_find(argv
, argc
, "recv", &idx
))
400 flag
= EIGRP_DEBUG_RECV
;
401 else if (argv_find(argv
, argc
, "all", &idx
))
402 flag
= EIGRP_DEBUG_SEND_RECV
;
405 if (argv_find(argv
, argc
, "detail", &idx
))
406 flag
= EIGRP_DEBUG_PACKET_DETAIL
;
408 if (vty
->node
== CONFIG_NODE
)
409 DEBUG_TRANSMIT_ON(0, flag
);
411 TERM_DEBUG_TRANSMIT_ON(0, flag
);
416 DEFUN (no_debug_eigrp_transmit
,
417 no_debug_eigrp_transmit_cmd
,
418 "no debug eigrp transmit <send|recv|all> [detail]",
422 "EIGRP transmission events\n"
426 "Detailed Information\n")
432 if (argv_find(argv
, argc
, "send", &idx
))
433 flag
= EIGRP_DEBUG_SEND
;
434 else if (argv_find(argv
, argc
, "recv", &idx
))
435 flag
= EIGRP_DEBUG_RECV
;
436 else if (argv_find(argv
, argc
, "all", &idx
))
437 flag
= EIGRP_DEBUG_SEND_RECV
;
440 if (argv_find(argv
, argc
, "detail", &idx
))
441 flag
= EIGRP_DEBUG_PACKET_DETAIL
;
443 if (vty
->node
== CONFIG_NODE
)
444 DEBUG_TRANSMIT_OFF(0, flag
);
446 TERM_DEBUG_TRANSMIT_OFF(0, flag
);
451 DEFUN (debug_eigrp_packets
,
452 debug_eigrp_packets_all_cmd
,
453 "debug eigrp packets <siaquery|siareply|ack|hello|probe|query|reply|request|retry|stub|terse|update|all> [send|receive] [detail]",
457 "EIGRP SIA-Query packets\n"
458 "EIGRP SIA-Reply packets\n"
459 "EIGRP ack packets\n"
460 "EIGRP hello packets\n"
461 "EIGRP probe packets\n"
462 "EIGRP query packets\n"
463 "EIGRP reply packets\n"
464 "EIGRP request packets\n"
465 "EIGRP retransmissions\n"
466 "EIGRP stub packets\n"
467 "Display all EIGRP packets except Hellos\n"
468 "EIGRP update packets\n"
469 "Display all EIGRP packets\n"
472 "Detail Information\n")
479 /* Check packet type. */
480 if (argv_find(argv
, argc
, "hello", &idx
))
481 type
= EIGRP_DEBUG_HELLO
;
482 if (argv_find(argv
, argc
, "update", &idx
))
483 type
= EIGRP_DEBUG_UPDATE
;
484 if (argv_find(argv
, argc
, "query", &idx
))
485 type
= EIGRP_DEBUG_QUERY
;
486 if (argv_find(argv
, argc
, "ack", &idx
))
487 type
= EIGRP_DEBUG_ACK
;
488 if (argv_find(argv
, argc
, "probe", &idx
))
489 type
= EIGRP_DEBUG_PROBE
;
490 if (argv_find(argv
, argc
, "stub", &idx
))
491 type
= EIGRP_DEBUG_STUB
;
492 if (argv_find(argv
, argc
, "reply", &idx
))
493 type
= EIGRP_DEBUG_REPLY
;
494 if (argv_find(argv
, argc
, "request", &idx
))
495 type
= EIGRP_DEBUG_REQUEST
;
496 if (argv_find(argv
, argc
, "siaquery", &idx
))
497 type
= EIGRP_DEBUG_SIAQUERY
;
498 if (argv_find(argv
, argc
, "siareply", &idx
))
499 type
= EIGRP_DEBUG_SIAREPLY
;
500 if (argv_find(argv
, argc
, "all", &idx
))
501 type
= EIGRP_DEBUG_PACKETS_ALL
;
504 /* All packet types, both send and recv. */
505 flag
= EIGRP_DEBUG_SEND_RECV
;
508 if (argv_find(argv
, argc
, "s", &idx
))
509 flag
= EIGRP_DEBUG_SEND
;
510 else if (argv_find(argv
, argc
, "r", &idx
))
511 flag
= EIGRP_DEBUG_RECV
;
514 if (argv_find(argv
, argc
, "detail", &idx
))
515 flag
|= EIGRP_DEBUG_PACKET_DETAIL
;
517 for (i
= 0; i
< 11; i
++)
518 if (type
& (0x01 << i
)) {
519 if (vty
->node
== CONFIG_NODE
)
520 DEBUG_PACKET_ON(i
, flag
);
522 TERM_DEBUG_PACKET_ON(i
, flag
);
528 DEFUN (no_debug_eigrp_packets
,
529 no_debug_eigrp_packets_all_cmd
,
530 "no debug eigrp packets <siaquery|siareply|ack|hello|probe|query|reply|request|retry|stub|terse|update|all> [send|receive] [detail]",
535 "EIGRP SIA-Query packets\n"
536 "EIGRP SIA-Reply packets\n"
537 "EIGRP ack packets\n"
538 "EIGRP hello packets\n"
539 "EIGRP probe packets\n"
540 "EIGRP query packets\n"
541 "EIGRP reply packets\n"
542 "EIGRP request packets\n"
543 "EIGRP retransmissions\n"
544 "EIGRP stub packets\n"
545 "Display all EIGRP packets except Hellos\n"
546 "EIGRP update packets\n"
547 "Display all EIGRP packets\n"
550 "Detailed Information\n")
557 /* Check packet type. */
558 if (argv_find(argv
, argc
, "hello", &idx
))
559 type
= EIGRP_DEBUG_HELLO
;
560 if (argv_find(argv
, argc
, "update", &idx
))
561 type
= EIGRP_DEBUG_UPDATE
;
562 if (argv_find(argv
, argc
, "query", &idx
))
563 type
= EIGRP_DEBUG_QUERY
;
564 if (argv_find(argv
, argc
, "ack", &idx
))
565 type
= EIGRP_DEBUG_ACK
;
566 if (argv_find(argv
, argc
, "probe", &idx
))
567 type
= EIGRP_DEBUG_PROBE
;
568 if (argv_find(argv
, argc
, "stub", &idx
))
569 type
= EIGRP_DEBUG_STUB
;
570 if (argv_find(argv
, argc
, "reply", &idx
))
571 type
= EIGRP_DEBUG_REPLY
;
572 if (argv_find(argv
, argc
, "request", &idx
))
573 type
= EIGRP_DEBUG_REQUEST
;
574 if (argv_find(argv
, argc
, "siaquery", &idx
))
575 type
= EIGRP_DEBUG_SIAQUERY
;
576 if (argv_find(argv
, argc
, "siareply", &idx
))
577 type
= EIGRP_DEBUG_SIAREPLY
;
579 /* Default, both send and recv. */
580 flag
= EIGRP_DEBUG_SEND_RECV
;
583 if (argv_find(argv
, argc
, "send", &idx
))
584 flag
= EIGRP_DEBUG_SEND
;
585 else if (argv_find(argv
, argc
, "reply", &idx
))
586 flag
= EIGRP_DEBUG_RECV
;
589 if (argv_find(argv
, argc
, "detail", &idx
))
590 flag
|= EIGRP_DEBUG_PACKET_DETAIL
;
592 for (i
= 0; i
< 11; i
++)
593 if (type
& (0x01 << i
)) {
594 if (vty
->node
== CONFIG_NODE
)
595 DEBUG_PACKET_OFF(i
, flag
);
597 TERM_DEBUG_PACKET_OFF(i
, flag
);
604 static struct cmd_node eigrp_debug_node
= {
605 DEBUG_NODE
, "", 1 /* VTYSH */
608 /* Initialize debug commands. */
609 void eigrp_debug_init()
611 install_node(&eigrp_debug_node
, config_write_debug
);
613 install_element(ENABLE_NODE
, &show_debugging_eigrp_cmd
);
614 install_element(ENABLE_NODE
, &debug_eigrp_packets_all_cmd
);
615 install_element(ENABLE_NODE
, &no_debug_eigrp_packets_all_cmd
);
616 install_element(ENABLE_NODE
, &debug_eigrp_transmit_cmd
);
617 install_element(ENABLE_NODE
, &no_debug_eigrp_transmit_cmd
);
619 install_element(CONFIG_NODE
, &show_debugging_eigrp_cmd
);
620 install_element(CONFIG_NODE
, &debug_eigrp_packets_all_cmd
);
621 install_element(CONFIG_NODE
, &no_debug_eigrp_packets_all_cmd
);
622 install_element(CONFIG_NODE
, &debug_eigrp_transmit_cmd
);
623 install_element(CONFIG_NODE
, &no_debug_eigrp_transmit_cmd
);