eigrpd/eigrp_dump.c

   1 /*
   2  * EIGRP Dump Functions and Debugging.
   3  * Copyright (C) 2013-2014
   4  * Authors:
   5  *   Donnie Savage
   6  *   Jan Janovic
   7  *   Matej Perina
   8  *   Peter Orsag
   9  *   Peter Paluch
  10  *
  11  * This file is part of GNU Zebra.
  12  *
  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
  16  * later version.
  17  *
  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.
  22  *
  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
  26  */
  27
  28 #include <zebra.h>
  29
  30 #include "linklist.h"
  31 #include "thread.h"
  32 #include "prefix.h"
  33 #include "command.h"
  34 #include "stream.h"
  35 #include "log.h"
  36 #include "sockopt.h"
  37 #include "table.h"
  38 #include "keychain.h"
  39
  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"
  50
  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;
  57
  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;
  64
  65
  66 static int config_write_debug(struct vty *vty)
  67 {
  68         int write = 0;
  69         int i;
  70
  71         const char *type_str[] = {"update", "request",   "query",     "reply",
  72                                   "hello",  "",          "probe",     "ack",
  73                                   "",       "SIA query", "SIA reply", "stub",
  74                                   "all"};
  75         const char *detail_str[] = {
  76                 "",     " send",        " recv",        "",
  77                 " detail", " send detail", " recv detail", " detail"};
  78
  79
  80         /* debug eigrp event. */
  81
  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)
  86                         continue;
  87
  88                 vty_out(vty, "debug eigrp packet %s%s\n", type_str[i],
  89                         detail_str[conf_debug_eigrp_packet[i]]);
  90                 write = 1;
  91         }
  92
  93         return write;
  94 }
  95
  96 static int eigrp_neighbor_packet_queue_sum(struct eigrp_interface *ei)
  97 {
  98         struct eigrp_neighbor *nbr;
  99         struct listnode *node, *nnode;
 100         int sum;
 101         sum = 0;
 102
 103         for (ALL_LIST_ELEMENTS(ei->nbrs, node, nnode, nbr)) {
 104                 sum += nbr->retrans_queue->count;
 105         }
 106
 107         return sum;
 108 }
 109
 110 /*
 111  * Expects header to be in host order
 112  */
 113 void eigrp_ip_header_dump(struct ip *iph)
 114 {
 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));
 127 }
 128
 129 /*
 130  * Expects header to be in host order
 131  */
 132 void eigrp_header_dump(struct eigrp_header *eigrph)
 133 {
 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));
 143 }
 144
 145 const char *eigrp_if_name_string(struct eigrp_interface *ei)
 146 {
 147         static char buf[EIGRP_IF_STRING_MAXLEN] = "";
 148
 149         if (!ei)
 150                 return "inactive";
 151
 152         snprintf(buf, EIGRP_IF_STRING_MAXLEN, "%s", ei->ifp->name);
 153         return buf;
 154 }
 155
 156 const char *eigrp_topology_ip_string(struct eigrp_prefix_entry *tn)
 157 {
 158         static char buf[EIGRP_IF_STRING_MAXLEN] = "";
 159         u_int32_t ifaddr;
 160
 161         ifaddr = ntohl(tn->destination->u.prefix4.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);
 165         return buf;
 166 }
 167
 168
 169 const char *eigrp_if_ip_string(struct eigrp_interface *ei)
 170 {
 171         static char buf[EIGRP_IF_STRING_MAXLEN] = "";
 172         u_int32_t ifaddr;
 173
 174         if (!ei)
 175                 return "inactive";
 176
 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);
 181
 182         return buf;
 183 }
 184
 185 const char *eigrp_neigh_ip_string(struct eigrp_neighbor *nbr)
 186 {
 187         static char buf[EIGRP_IF_STRING_MAXLEN] = "";
 188         u_int32_t ifaddr;
 189
 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);
 194
 195         return buf;
 196 }
 197
 198 void show_ip_eigrp_interface_header(struct vty *vty, struct eigrp *eigrp)
 199 {
 200
 201         vty_out(vty,
 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");
 207 }
 208
 209 void show_ip_eigrp_interface_sub(struct vty *vty, struct eigrp *eigrp,
 210                                  struct eigrp_interface *ei)
 211 {
 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);
 221 }
 222
 223 void show_ip_eigrp_interface_detail(struct vty *vty, struct eigrp *eigrp,
 224                                     struct eigrp_interface *ei)
 225 {
 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,
 230                 "/", 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",
 236                 "set");
 237         vty_out(vty, "%-2s %s \n", "", "Use multicast");
 238 }
 239
 240 void show_ip_eigrp_neighbor_header(struct vty *vty, struct eigrp *eigrp)
 241 {
 242         vty_out(vty,
 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",
 246                 "Num");
 247 }
 248
 249 void show_ip_eigrp_neighbor_sub(struct vty *vty, struct eigrp_neighbor *nbr,
 250                                 int detail)
 251 {
 252
 253         vty_out(vty, "%-3u %-17s %-21s", 0, eigrp_neigh_ip_string(nbr),
 254                 eigrp_if_name_string(nbr->ei));
 255         if (nbr->t_holddown)
 256                 vty_out(vty, "%-7lu", thread_timer_remain_second(nbr->t_holddown));
 257         else
 258                 vty_out(vty, "-      ");
 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);
 262
 263
 264         if (detail) {
 265                 vty_out(vty, "    Version %u.%u/%u.%u", nbr->os_rel_major,
 266                         nbr->os_rel_minor, nbr->tlv_rel_major,
 267                         nbr->tlv_rel_minor);
 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));
 271         }
 272 }
 273
 274 /*
 275  * Print standard header for show EIGRP topology output
 276  */
 277 void show_ip_eigrp_topology_header(struct vty *vty, struct eigrp *eigrp)
 278 {
 279         struct in_addr router_id;
 280         router_id.s_addr = eigrp->router_id;
 281
 282         vty_out(vty, "\nEIGRP Topology Table for AS(%d)/ID(%s)\n\n", eigrp->AS,
 283                 inet_ntoa(router_id));
 284         vty_out(vty,
 285                 "Codes: P - Passive, A - Active, U - Update, Q - Query, "
 286                 "R - Reply\n       r - reply Status, s - sia Status\n\n");
 287 }
 288
 289 void show_ip_eigrp_prefix_entry(struct vty *vty, struct eigrp_prefix_entry *tn)
 290 {
 291         struct list *successors = eigrp_topology_get_successor(tn);
 292         char buffer[PREFIX_STRLEN];
 293
 294         vty_out(vty, "%-3c", (tn->state > 0) ? 'A' : 'P');
 295
 296         vty_out(vty, "%s, ",
 297                 prefix2str(tn->destination, buffer, PREFIX_STRLEN));
 298         vty_out(vty, "%u successors, ", successors->count);
 299         vty_out(vty, "FD is %u, serno: %" PRIu64 " \n", tn->fdistance,
 300                 tn->serno);
 301
 302         list_delete(successors);
 303 }
 304
 305 void show_ip_eigrp_neighbor_entry(struct vty *vty, struct eigrp *eigrp,
 306                                   struct eigrp_neighbor_entry *te, int *first)
 307 {
 308         if (te->reported_distance == EIGRP_MAX_METRIC)
 309                 return;
 310
 311         if (*first) {
 312                 show_ip_eigrp_prefix_entry(vty, te->prefix);
 313                 *first = 0;
 314         }
 315
 316         if (te->adv_router == eigrp->neighbor_self)
 317                 vty_out(vty, "%-7s%s, %s\n", " ", "via Connected",
 318                         eigrp_if_name_string(te->ei));
 319         else {
 320                 vty_out(vty, "%-7s%s%s (%u/%u), %s\n", " ", "via ",
 321                         inet_ntoa(te->adv_router->src), te->distance,
 322                         te->reported_distance, eigrp_if_name_string(te->ei));
 323         }
 324 }
 325
 326
 327 DEFUN_NOSH (show_debugging_eigrp,
 328             show_debugging_eigrp_cmd,
 329             "show debugging [eigrp]",
 330             SHOW_STR
 331             DEBUG_STR
 332             EIGRP_STR)
 333 {
 334         int i;
 335
 336         vty_out(vty, "EIGRP debugging status:\n");
 337
 338         /* Show debug status for events. */
 339         if (IS_DEBUG_EIGRP(event, EVENT))
 340                 vty_out(vty, "  EIGRP event debugging is on\n");
 341
 342         /* Show debug status for EIGRP Packets. */
 343         for (i = 0; i < 11; i++) {
 344                 if (i == 8)
 345                         continue;
 346
 347                 if (IS_DEBUG_EIGRP_PACKET(i, SEND)
 348                     && IS_DEBUG_EIGRP_PACKET(i, RECV)) {
 349                         vty_out(vty, "  EIGRP packet %s%s debugging is on\n",
 350                                 lookup_msg(eigrp_packet_type_str, i + 1, NULL),
 351                                 IS_DEBUG_EIGRP_PACKET(i, PACKET_DETAIL)
 352                                         ? " detail"
 353                                         : "");
 354                 } else {
 355                         if (IS_DEBUG_EIGRP_PACKET(i, SEND))
 356                                 vty_out(vty,
 357                                         "  EIGRP packet %s send%s debugging is on\n",
 358                                         lookup_msg(eigrp_packet_type_str, i + 1,
 359                                                    NULL),
 360                                         IS_DEBUG_EIGRP_PACKET(i, PACKET_DETAIL)
 361                                                 ? " detail"
 362                                                 : "");
 363                         if (IS_DEBUG_EIGRP_PACKET(i, RECV))
 364                                 vty_out(vty,
 365                                         "  EIGRP packet %s receive%s debugging is on\n",
 366                                         lookup_msg(eigrp_packet_type_str, i + 1,
 367                                                    NULL),
 368                                         IS_DEBUG_EIGRP_PACKET(i, PACKET_DETAIL)
 369                                                 ? " detail"
 370                                                 : "");
 371                 }
 372         }
 373
 374         return CMD_SUCCESS;
 375 }
 376
 377
 378 /*
 379   [no] debug eigrp packet (hello|dd|ls-request|ls-update|ls-ack|all)
 380   [send|recv [detail]]
 381 */
 382
 383 DEFUN (debug_eigrp_transmit,
 384        debug_eigrp_transmit_cmd,
 385        "debug eigrp transmit <send|recv|all> [detail]",
 386        DEBUG_STR
 387        EIGRP_STR
 388        "EIGRP transmission events\n"
 389        "packet sent\n"
 390        "packet received\n"
 391        "all packets\n"
 392        "Detailed Information\n")
 393 {
 394         int flag = 0;
 395         int idx = 2;
 396
 397         /* send or recv. */
 398         if (argv_find(argv, argc, "send", &idx))
 399                 flag = EIGRP_DEBUG_SEND;
 400         else if (argv_find(argv, argc, "recv", &idx))
 401                 flag = EIGRP_DEBUG_RECV;
 402         else if (argv_find(argv, argc, "all", &idx))
 403                 flag = EIGRP_DEBUG_SEND_RECV;
 404
 405         /* detail option */
 406         if (argv_find(argv, argc, "detail", &idx))
 407                 flag = EIGRP_DEBUG_PACKET_DETAIL;
 408
 409         if (vty->node == CONFIG_NODE)
 410                 DEBUG_TRANSMIT_ON(0, flag);
 411         else
 412                 TERM_DEBUG_TRANSMIT_ON(0, flag);
 413
 414         return CMD_SUCCESS;
 415 }
 416
 417 DEFUN (no_debug_eigrp_transmit,
 418        no_debug_eigrp_transmit_cmd,
 419        "no debug eigrp transmit <send|recv|all> [detail]",
 420        NO_STR
 421        UNDEBUG_STR
 422        EIGRP_STR
 423        "EIGRP transmission events\n"
 424        "packet sent\n"
 425        "packet received\n"
 426        "all packets\n"
 427        "Detailed Information\n")
 428 {
 429         int flag = 0;
 430         int idx = 3;
 431
 432         /* send or recv. */
 433         if (argv_find(argv, argc, "send", &idx))
 434                 flag = EIGRP_DEBUG_SEND;
 435         else if (argv_find(argv, argc, "recv", &idx))
 436                 flag = EIGRP_DEBUG_RECV;
 437         else if (argv_find(argv, argc, "all", &idx))
 438                 flag = EIGRP_DEBUG_SEND_RECV;
 439
 440         /* detail option */
 441         if (argv_find(argv, argc, "detail", &idx))
 442                 flag = EIGRP_DEBUG_PACKET_DETAIL;
 443
 444         if (vty->node == CONFIG_NODE)
 445                 DEBUG_TRANSMIT_OFF(0, flag);
 446         else
 447                 TERM_DEBUG_TRANSMIT_OFF(0, flag);
 448
 449         return CMD_SUCCESS;
 450 }
 451
 452 DEFUN (debug_eigrp_packets,
 453        debug_eigrp_packets_all_cmd,
 454        "debug eigrp packets <siaquery|siareply|ack|hello|probe|query|reply|request|retry|stub|terse|update|all> [send|receive] [detail]",
 455        DEBUG_STR
 456        EIGRP_STR
 457        "EIGRP packets\n"
 458        "EIGRP SIA-Query packets\n"
 459        "EIGRP SIA-Reply packets\n"
 460        "EIGRP ack packets\n"
 461        "EIGRP hello packets\n"
 462        "EIGRP probe packets\n"
 463        "EIGRP query packets\n"
 464        "EIGRP reply packets\n"
 465        "EIGRP request packets\n"
 466        "EIGRP retransmissions\n"
 467        "EIGRP stub packets\n"
 468        "Display all EIGRP packets except Hellos\n"
 469        "EIGRP update packets\n"
 470        "Display all EIGRP packets\n"
 471        "Send Packets\n"
 472        "Receive Packets\n"
 473        "Detail Information\n")
 474 {
 475         int type = 0;
 476         int flag = 0;
 477         int i;
 478         int idx = 0;
 479
 480         /* Check packet type. */
 481         if (argv_find(argv, argc, "hello", &idx))
 482                 type = EIGRP_DEBUG_HELLO;
 483         if (argv_find(argv, argc, "update", &idx))
 484                 type = EIGRP_DEBUG_UPDATE;
 485         if (argv_find(argv, argc, "query", &idx))
 486                 type = EIGRP_DEBUG_QUERY;
 487         if (argv_find(argv, argc, "ack", &idx))
 488                 type = EIGRP_DEBUG_ACK;
 489         if (argv_find(argv, argc, "probe", &idx))
 490                 type = EIGRP_DEBUG_PROBE;
 491         if (argv_find(argv, argc, "stub", &idx))
 492                 type = EIGRP_DEBUG_STUB;
 493         if (argv_find(argv, argc, "reply", &idx))
 494                 type = EIGRP_DEBUG_REPLY;
 495         if (argv_find(argv, argc, "request", &idx))
 496                 type = EIGRP_DEBUG_REQUEST;
 497         if (argv_find(argv, argc, "siaquery", &idx))
 498                 type = EIGRP_DEBUG_SIAQUERY;
 499         if (argv_find(argv, argc, "siareply", &idx))
 500                 type = EIGRP_DEBUG_SIAREPLY;
 501         if (argv_find(argv, argc, "all", &idx))
 502                 type = EIGRP_DEBUG_PACKETS_ALL;
 503
 504
 505         /* All packet types, both send and recv. */
 506         flag = EIGRP_DEBUG_SEND_RECV;
 507
 508         /* send or recv. */
 509         if (argv_find(argv, argc, "s", &idx))
 510                 flag = EIGRP_DEBUG_SEND;
 511         else if (argv_find(argv, argc, "r", &idx))
 512                 flag = EIGRP_DEBUG_RECV;
 513
 514         /* detail. */
 515         if (argv_find(argv, argc, "detail", &idx))
 516                 flag |= EIGRP_DEBUG_PACKET_DETAIL;
 517
 518         for (i = 0; i < 11; i++)
 519                 if (type & (0x01 << i)) {
 520                         if (vty->node == CONFIG_NODE)
 521                                 DEBUG_PACKET_ON(i, flag);
 522                         else
 523                                 TERM_DEBUG_PACKET_ON(i, flag);
 524                 }
 525
 526         return CMD_SUCCESS;
 527 }
 528
 529 DEFUN (no_debug_eigrp_packets,
 530        no_debug_eigrp_packets_all_cmd,
 531        "no debug eigrp packets <siaquery|siareply|ack|hello|probe|query|reply|request|retry|stub|terse|update|all> [send|receive] [detail]",
 532        NO_STR
 533        UNDEBUG_STR
 534        EIGRP_STR
 535        "EIGRP packets\n"
 536        "EIGRP SIA-Query packets\n"
 537        "EIGRP SIA-Reply packets\n"
 538        "EIGRP ack packets\n"
 539        "EIGRP hello packets\n"
 540        "EIGRP probe packets\n"
 541        "EIGRP query packets\n"
 542        "EIGRP reply packets\n"
 543        "EIGRP request packets\n"
 544        "EIGRP retransmissions\n"
 545        "EIGRP stub packets\n"
 546        "Display all EIGRP packets except Hellos\n"
 547        "EIGRP update packets\n"
 548        "Display all EIGRP packets\n"
 549        "Send Packets\n"
 550        "Receive Packets\n"
 551        "Detailed Information\n")
 552 {
 553         int type = 0;
 554         int flag = 0;
 555         int i;
 556         int idx = 0;
 557
 558         /* Check packet type. */
 559         if (argv_find(argv, argc, "hello", &idx))
 560                 type = EIGRP_DEBUG_HELLO;
 561         if (argv_find(argv, argc, "update", &idx))
 562                 type = EIGRP_DEBUG_UPDATE;
 563         if (argv_find(argv, argc, "query", &idx))
 564                 type = EIGRP_DEBUG_QUERY;
 565         if (argv_find(argv, argc, "ack", &idx))
 566                 type = EIGRP_DEBUG_ACK;
 567         if (argv_find(argv, argc, "probe", &idx))
 568                 type = EIGRP_DEBUG_PROBE;
 569         if (argv_find(argv, argc, "stub", &idx))
 570                 type = EIGRP_DEBUG_STUB;
 571         if (argv_find(argv, argc, "reply", &idx))
 572                 type = EIGRP_DEBUG_REPLY;
 573         if (argv_find(argv, argc, "request", &idx))
 574                 type = EIGRP_DEBUG_REQUEST;
 575         if (argv_find(argv, argc, "siaquery", &idx))
 576                 type = EIGRP_DEBUG_SIAQUERY;
 577         if (argv_find(argv, argc, "siareply", &idx))
 578                 type = EIGRP_DEBUG_SIAREPLY;
 579
 580         /* Default, both send and recv. */
 581         flag = EIGRP_DEBUG_SEND_RECV;
 582
 583         /* send or recv. */
 584         if (argv_find(argv, argc, "send", &idx))
 585                 flag = EIGRP_DEBUG_SEND;
 586         else if (argv_find(argv, argc, "reply", &idx))
 587                 flag = EIGRP_DEBUG_RECV;
 588
 589         /* detail. */
 590         if (argv_find(argv, argc, "detail", &idx))
 591                 flag |= EIGRP_DEBUG_PACKET_DETAIL;
 592
 593         for (i = 0; i < 11; i++)
 594                 if (type & (0x01 << i)) {
 595                         if (vty->node == CONFIG_NODE)
 596                                 DEBUG_PACKET_OFF(i, flag);
 597                         else
 598                                 TERM_DEBUG_PACKET_OFF(i, flag);
 599                 }
 600
 601         return CMD_SUCCESS;
 602 }
 603
 604 /* Debug node. */
 605 static struct cmd_node eigrp_debug_node = {
 606         DEBUG_NODE, "", 1 /* VTYSH */
 607 };
 608
 609 /* Initialize debug commands. */
 610 void eigrp_debug_init()
 611 {
 612         install_node(&eigrp_debug_node, config_write_debug);
 613
 614         install_element(ENABLE_NODE, &show_debugging_eigrp_cmd);
 615         install_element(ENABLE_NODE, &debug_eigrp_packets_all_cmd);
 616         install_element(ENABLE_NODE, &no_debug_eigrp_packets_all_cmd);
 617         install_element(ENABLE_NODE, &debug_eigrp_transmit_cmd);
 618         install_element(ENABLE_NODE, &no_debug_eigrp_transmit_cmd);
 619
 620         install_element(CONFIG_NODE, &show_debugging_eigrp_cmd);
 621         install_element(CONFIG_NODE, &debug_eigrp_packets_all_cmd);
 622         install_element(CONFIG_NODE, &no_debug_eigrp_packets_all_cmd);
 623         install_element(CONFIG_NODE, &debug_eigrp_transmit_cmd);
 624         install_element(CONFIG_NODE, &no_debug_eigrp_transmit_cmd);
 625 }