bgpd/bgp_debug.c

   1 /* BGP-4, BGP-4+ packet debug routine
   2    Copyright (C) 1996, 97, 99 Kunihiro Ishiguro
   3
   4 This file is part of GNU Zebra.
   5
   6 GNU Zebra is free software; you can redistribute it and/or modify it
   7 under the terms of the GNU General Public License as published by the
   8 Free Software Foundation; either version 2, or (at your option) any
   9 later version.
  10
  11 GNU Zebra is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Zebra; see the file COPYING.  If not, write to the Free
  18 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19 02111-1307, USA.  */
  20
  21 #include <zebra.h>
  22
  23 #include <lib/version.h>
  24 #include "prefix.h"
  25 #include "linklist.h"
  26 #include "stream.h"
  27 #include "command.h"
  28 #include "str.h"
  29 #include "log.h"
  30 #include "sockunion.h"
  31
  32 #include "bgpd/bgpd.h"
  33 #include "bgpd/bgp_aspath.h"
  34 #include "bgpd/bgp_route.h"
  35 #include "bgpd/bgp_attr.h"
  36 #include "bgpd/bgp_debug.h"
  37 #include "bgpd/bgp_community.h"
  38
  39 unsigned long conf_bgp_debug_as4;
  40 unsigned long conf_bgp_debug_fsm;
  41 unsigned long conf_bgp_debug_events;
  42 unsigned long conf_bgp_debug_packet;
  43 unsigned long conf_bgp_debug_filter;
  44 unsigned long conf_bgp_debug_keepalive;
  45 unsigned long conf_bgp_debug_update;
  46 unsigned long conf_bgp_debug_normal;
  47 unsigned long conf_bgp_debug_zebra;
  48
  49 unsigned long term_bgp_debug_as4;
  50 unsigned long term_bgp_debug_fsm;
  51 unsigned long term_bgp_debug_events;
  52 unsigned long term_bgp_debug_packet;
  53 unsigned long term_bgp_debug_filter;
  54 unsigned long term_bgp_debug_keepalive;
  55 unsigned long term_bgp_debug_update;
  56 unsigned long term_bgp_debug_normal;
  57 unsigned long term_bgp_debug_zebra;
  58
  59 /* messages for BGP-4 status */
  60 const struct message bgp_status_msg[] =
  61 {
  62   { Idle, "Idle" },
  63   { Connect, "Connect" },
  64   { Active, "Active" },
  65   { OpenSent, "OpenSent" },
  66   { OpenConfirm, "OpenConfirm" },
  67   { Established, "Established" },
  68   { Clearing,    "Clearing"    },
  69   { Deleted,     "Deleted"     },
  70 };
  71 const int bgp_status_msg_max = BGP_STATUS_MAX;
  72
  73 /* BGP message type string. */
  74 const char *bgp_type_str[] =
  75 {
  76   NULL,
  77   "OPEN",
  78   "UPDATE",
  79   "NOTIFICATION",
  80   "KEEPALIVE",
  81   "ROUTE-REFRESH",
  82   "CAPABILITY"
  83 };
  84
  85 /* message for BGP-4 Notify */
  86 static const struct message bgp_notify_msg[] =
  87 {
  88   { BGP_NOTIFY_HEADER_ERR, "Message Header Error"},
  89   { BGP_NOTIFY_OPEN_ERR, "OPEN Message Error"},
  90   { BGP_NOTIFY_UPDATE_ERR, "UPDATE Message Error"},
  91   { BGP_NOTIFY_HOLD_ERR, "Hold Timer Expired"},
  92   { BGP_NOTIFY_FSM_ERR, "Finite State Machine Error"},
  93   { BGP_NOTIFY_CEASE, "Cease"},
  94   { BGP_NOTIFY_CAPABILITY_ERR, "CAPABILITY Message Error"},
  95 };
  96 static const int bgp_notify_msg_max = BGP_NOTIFY_MAX;
  97
  98 static const struct message bgp_notify_head_msg[] =
  99 {
 100   { BGP_NOTIFY_HEADER_NOT_SYNC, "/Connection Not Synchronized"},
 101   { BGP_NOTIFY_HEADER_BAD_MESLEN, "/Bad Message Length"},
 102   { BGP_NOTIFY_HEADER_BAD_MESTYPE, "/Bad Message Type"}
 103 };
 104 static const int bgp_notify_head_msg_max = BGP_NOTIFY_HEADER_MAX;
 105
 106 static const struct message bgp_notify_open_msg[] =
 107 {
 108   { BGP_NOTIFY_OPEN_UNSUP_VERSION, "/Unsupported Version Number" },
 109   { BGP_NOTIFY_OPEN_BAD_PEER_AS, "/Bad Peer AS"},
 110   { BGP_NOTIFY_OPEN_BAD_BGP_IDENT, "/Bad BGP Identifier"},
 111   { BGP_NOTIFY_OPEN_UNSUP_PARAM, "/Unsupported Optional Parameter"},
 112   { BGP_NOTIFY_OPEN_AUTH_FAILURE, "/Authentication Failure"},
 113   { BGP_NOTIFY_OPEN_UNACEP_HOLDTIME, "/Unacceptable Hold Time"},
 114   { BGP_NOTIFY_OPEN_UNSUP_CAPBL, "/Unsupported Capability"},
 115 };
 116 static const int bgp_notify_open_msg_max = BGP_NOTIFY_OPEN_MAX;
 117
 118 static const struct message bgp_notify_update_msg[] =
 119 {
 120   { BGP_NOTIFY_UPDATE_MAL_ATTR, "/Malformed Attribute List"},
 121   { BGP_NOTIFY_UPDATE_UNREC_ATTR, "/Unrecognized Well-known Attribute"},
 122   { BGP_NOTIFY_UPDATE_MISS_ATTR, "/Missing Well-known Attribute"},
 123   { BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, "/Attribute Flags Error"},
 124   { BGP_NOTIFY_UPDATE_ATTR_LENG_ERR, "/Attribute Length Error"},
 125   { BGP_NOTIFY_UPDATE_INVAL_ORIGIN, "/Invalid ORIGIN Attribute"},
 126   { BGP_NOTIFY_UPDATE_AS_ROUTE_LOOP, "/AS Routing Loop"},
 127   { BGP_NOTIFY_UPDATE_INVAL_NEXT_HOP, "/Invalid NEXT_HOP Attribute"},
 128   { BGP_NOTIFY_UPDATE_OPT_ATTR_ERR, "/Optional Attribute Error"},
 129   { BGP_NOTIFY_UPDATE_INVAL_NETWORK, "/Invalid Network Field"},
 130   { BGP_NOTIFY_UPDATE_MAL_AS_PATH, "/Malformed AS_PATH"},
 131 };
 132 static const int bgp_notify_update_msg_max = BGP_NOTIFY_UPDATE_MAX;
 133
 134 static const struct message bgp_notify_cease_msg[] =
 135 {
 136   { BGP_NOTIFY_CEASE_MAX_PREFIX, "/Maximum Number of Prefixes Reached"},
 137   { BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN, "/Administratively Shutdown"},
 138   { BGP_NOTIFY_CEASE_PEER_UNCONFIG, "/Peer Unconfigured"},
 139   { BGP_NOTIFY_CEASE_ADMIN_RESET, "/Administratively Reset"},
 140   { BGP_NOTIFY_CEASE_CONNECT_REJECT, "/Connection Rejected"},
 141   { BGP_NOTIFY_CEASE_CONFIG_CHANGE, "/Other Configuration Change"},
 142   { BGP_NOTIFY_CEASE_COLLISION_RESOLUTION, "/Connection collision resolution"},
 143   { BGP_NOTIFY_CEASE_OUT_OF_RESOURCE, "/Out of Resource"},
 144 };
 145 static const int bgp_notify_cease_msg_max = BGP_NOTIFY_CEASE_MAX;
 146
 147 static const struct message bgp_notify_capability_msg[] =
 148 {
 149   { BGP_NOTIFY_CAPABILITY_INVALID_ACTION, "/Invalid Action Value" },
 150   { BGP_NOTIFY_CAPABILITY_INVALID_LENGTH, "/Invalid Capability Length"},
 151   { BGP_NOTIFY_CAPABILITY_MALFORMED_CODE, "/Malformed Capability Value"},
 152 };
 153 static const int bgp_notify_capability_msg_max = BGP_NOTIFY_CAPABILITY_MAX;
 154
 155 /* Origin strings. */
 156 const char *bgp_origin_str[] = {"i","e","?"};
 157 const char *bgp_origin_long_str[] = {"IGP","EGP","incomplete"};
 158
 159 /* Dump attribute. */
 160 int
 161 bgp_dump_attr (struct peer *peer, struct attr *attr, char *buf, size_t size)
 162 {
 163   if (! attr)
 164     return 0;
 165
 166   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_NEXT_HOP)))
 167     snprintf (buf, size, "nexthop %s", inet_ntoa (attr->nexthop));
 168
 169   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_ORIGIN)))
 170     snprintf (buf + strlen (buf), size - strlen (buf), ", origin %s",
 171               bgp_origin_str[attr->origin]);
 172
 173 #ifdef HAVE_IPV6
 174   if (attr->extra)
 175     {
 176       char addrbuf[BUFSIZ];
 177
 178       /* Add MP case. */
 179       if (attr->extra->mp_nexthop_len == 16
 180           || attr->extra->mp_nexthop_len == 32)
 181         snprintf (buf + strlen (buf), size - strlen (buf), ", mp_nexthop %s",
 182                   inet_ntop (AF_INET6, &attr->extra->mp_nexthop_global,
 183                              addrbuf, BUFSIZ));
 184
 185       if (attr->extra->mp_nexthop_len == 32)
 186         snprintf (buf + strlen (buf), size - strlen (buf), "(%s)",
 187                   inet_ntop (AF_INET6, &attr->extra->mp_nexthop_local,
 188                              addrbuf, BUFSIZ));
 189     }
 190 #endif /* HAVE_IPV6 */
 191
 192   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF)))
 193     snprintf (buf + strlen (buf), size - strlen (buf), ", localpref %d",
 194               attr->local_pref);
 195
 196   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC)))
 197     snprintf (buf + strlen (buf), size - strlen (buf), ", metric %d",
 198               attr->med);
 199
 200   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_COMMUNITIES)))
 201     snprintf (buf + strlen (buf), size - strlen (buf), ", community %s",
 202               community_str (attr->community));
 203
 204   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_ATOMIC_AGGREGATE)))
 205     snprintf (buf + strlen (buf), size - strlen (buf), ", atomic-aggregate");
 206
 207   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_AGGREGATOR)))
 208     snprintf (buf + strlen (buf), size - strlen (buf), ", aggregated by %u %s",
 209               attr->extra->aggregator_as,
 210               inet_ntoa (attr->extra->aggregator_addr));
 211
 212   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_ORIGINATOR_ID)))
 213     snprintf (buf + strlen (buf), size - strlen (buf), ", originator %s",
 214               inet_ntoa (attr->extra->originator_id));
 215
 216   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_CLUSTER_LIST)))
 217     {
 218       int i;
 219
 220       snprintf (buf + strlen (buf), size - strlen (buf), ", clusterlist");
 221       for (i = 0; i < attr->extra->cluster->length / 4; i++)
 222         snprintf (buf + strlen (buf), size - strlen (buf), " %s",
 223                   inet_ntoa (attr->extra->cluster->list[i]));
 224     }
 225
 226   if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_AS_PATH)))
 227     snprintf (buf + strlen (buf), size - strlen (buf), ", path %s",
 228               aspath_print (attr->aspath));
 229
 230   if (strlen (buf) > 1)
 231     return 1;
 232   else
 233     return 0;
 234 }
 235
 236 /* dump notify packet */
 237 void
 238 bgp_notify_print(struct peer *peer, struct bgp_notify *bgp_notify,
 239                  const char *direct)
 240 {
 241   const char *subcode_str;
 242
 243   subcode_str = "";
 244
 245   switch (bgp_notify->code)
 246     {
 247     case BGP_NOTIFY_HEADER_ERR:
 248       subcode_str = LOOKUP (bgp_notify_head_msg, bgp_notify->subcode);
 249       break;
 250     case BGP_NOTIFY_OPEN_ERR:
 251       subcode_str = LOOKUP (bgp_notify_open_msg, bgp_notify->subcode);
 252       break;
 253     case BGP_NOTIFY_UPDATE_ERR:
 254       subcode_str = LOOKUP (bgp_notify_update_msg, bgp_notify->subcode);
 255       break;
 256     case BGP_NOTIFY_HOLD_ERR:
 257       subcode_str = "";
 258       break;
 259     case BGP_NOTIFY_FSM_ERR:
 260       subcode_str = "";
 261       break;
 262     case BGP_NOTIFY_CEASE:
 263       subcode_str = LOOKUP (bgp_notify_cease_msg, bgp_notify->subcode);
 264       break;
 265     case BGP_NOTIFY_CAPABILITY_ERR:
 266       subcode_str = LOOKUP (bgp_notify_capability_msg, bgp_notify->subcode);
 267       break;
 268     }
 269
 270   if (bgp_flag_check (peer->bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES))
 271     zlog_info ("%%NOTIFICATION: %s neighbor %s %d/%d (%s%s) %d bytes %s",
 272               strcmp (direct, "received") == 0 ? "received from" : "sent to",
 273               peer->host, bgp_notify->code, bgp_notify->subcode,
 274                LOOKUP (bgp_notify_msg, bgp_notify->code),
 275               subcode_str, bgp_notify->length,
 276               bgp_notify->data ? bgp_notify->data : "");
 277   else if (BGP_DEBUG (normal, NORMAL))
 278     plog_debug (peer->log, "%s %s NOTIFICATION %d/%d (%s%s) %d bytes %s",
 279                peer ? peer->host : "",
 280                direct, bgp_notify->code, bgp_notify->subcode,
 281                LOOKUP (bgp_notify_msg, bgp_notify->code),
 282                subcode_str, bgp_notify->length,
 283                bgp_notify->data ? bgp_notify->data : "");
 284 }
 285 \f
 286 /* Debug option setting interface. */
 287 unsigned long bgp_debug_option = 0;
 288
 289 int
 290 debug (unsigned int option)
 291 {
 292   return bgp_debug_option & option;
 293 }
 294
 295 DEFUN (debug_bgp_as4,
 296        debug_bgp_as4_cmd,
 297        "debug bgp as4",
 298        DEBUG_STR
 299        BGP_STR
 300        "BGP AS4 actions\n")
 301 {
 302   if (vty->node == CONFIG_NODE)
 303     DEBUG_ON (as4, AS4);
 304   else
 305     {
 306       TERM_DEBUG_ON (as4, AS4);
 307       vty_out (vty, "BGP as4 debugging is on%s", VTY_NEWLINE);
 308     }
 309   return CMD_SUCCESS;
 310 }
 311
 312 DEFUN (no_debug_bgp_as4,
 313        no_debug_bgp_as4_cmd,
 314        "no debug bgp as4",
 315        NO_STR
 316        DEBUG_STR
 317        BGP_STR
 318        "BGP AS4 actions\n")
 319 {
 320   if (vty->node == CONFIG_NODE)
 321     DEBUG_OFF (as4, AS4);
 322   else
 323     {
 324       TERM_DEBUG_OFF (as4, AS4);
 325       vty_out (vty, "BGP as4 debugging is off%s", VTY_NEWLINE);
 326     }
 327   return CMD_SUCCESS;
 328 }
 329
 330 ALIAS (no_debug_bgp_as4,
 331        undebug_bgp_as4_cmd,
 332        "undebug bgp as4",
 333        UNDEBUG_STR
 334        DEBUG_STR
 335        BGP_STR
 336        "BGP AS4 actions\n")
 337
 338 DEFUN (debug_bgp_as4_segment,
 339        debug_bgp_as4_segment_cmd,
 340        "debug bgp as4 segment",
 341        DEBUG_STR
 342        BGP_STR
 343        "BGP AS4 aspath segment handling\n")
 344 {
 345   if (vty->node == CONFIG_NODE)
 346     DEBUG_ON (as4, AS4_SEGMENT);
 347   else
 348     {
 349       TERM_DEBUG_ON (as4, AS4_SEGMENT);
 350       vty_out (vty, "BGP as4 segment debugging is on%s", VTY_NEWLINE);
 351     }
 352   return CMD_SUCCESS;
 353 }
 354
 355 DEFUN (no_debug_bgp_as4_segment,
 356        no_debug_bgp_as4_segment_cmd,
 357        "no debug bgp as4 segment",
 358        NO_STR
 359        DEBUG_STR
 360        BGP_STR
 361        "BGP AS4 aspath segment handling\n")
 362 {
 363   if (vty->node == CONFIG_NODE)
 364     DEBUG_OFF (as4, AS4_SEGMENT);
 365   else
 366     {
 367       TERM_DEBUG_OFF (as4, AS4_SEGMENT);
 368       vty_out (vty, "BGP as4 segment debugging is off%s", VTY_NEWLINE);
 369     }
 370   return CMD_SUCCESS;
 371 }
 372
 373 ALIAS (no_debug_bgp_as4_segment,
 374        undebug_bgp_as4_segment_cmd,
 375        "undebug bgp as4 segment",
 376        UNDEBUG_STR
 377        DEBUG_STR
 378        BGP_STR
 379        "BGP AS4 aspath segment handling\n")
 380
 381 DEFUN (debug_bgp_fsm,
 382        debug_bgp_fsm_cmd,
 383        "debug bgp fsm",
 384        DEBUG_STR
 385        BGP_STR
 386        "BGP Finite State Machine\n")
 387 {
 388   if (vty->node == CONFIG_NODE)
 389     DEBUG_ON (fsm, FSM);
 390   else
 391     {
 392       TERM_DEBUG_ON (fsm, FSM);
 393       vty_out (vty, "BGP fsm debugging is on%s", VTY_NEWLINE);
 394     }
 395   return CMD_SUCCESS;
 396 }
 397
 398 DEFUN (no_debug_bgp_fsm,
 399        no_debug_bgp_fsm_cmd,
 400        "no debug bgp fsm",
 401        NO_STR
 402        DEBUG_STR
 403        BGP_STR
 404        "Finite State Machine\n")
 405 {
 406   if (vty->node == CONFIG_NODE)
 407     DEBUG_OFF (fsm, FSM);
 408   else
 409     {
 410       TERM_DEBUG_OFF (fsm, FSM);
 411       vty_out (vty, "BGP fsm debugging is off%s", VTY_NEWLINE);
 412     }
 413   return CMD_SUCCESS;
 414 }
 415
 416 ALIAS (no_debug_bgp_fsm,
 417        undebug_bgp_fsm_cmd,
 418        "undebug bgp fsm",
 419        UNDEBUG_STR
 420        DEBUG_STR
 421        BGP_STR
 422        "Finite State Machine\n")
 423
 424 DEFUN (debug_bgp_events,
 425        debug_bgp_events_cmd,
 426        "debug bgp events",
 427        DEBUG_STR
 428        BGP_STR
 429        "BGP events\n")
 430 {
 431   if (vty->node == CONFIG_NODE)
 432     DEBUG_ON (events, EVENTS);
 433   else
 434     {
 435       TERM_DEBUG_ON (events, EVENTS);
 436       vty_out (vty, "BGP events debugging is on%s", VTY_NEWLINE);
 437     }
 438   return CMD_SUCCESS;
 439 }
 440
 441 DEFUN (no_debug_bgp_events,
 442        no_debug_bgp_events_cmd,
 443        "no debug bgp events",
 444        NO_STR
 445        DEBUG_STR
 446        BGP_STR
 447        "BGP events\n")
 448 {
 449   if (vty->node == CONFIG_NODE)
 450     DEBUG_OFF (events, EVENTS);
 451   else
 452     {
 453       TERM_DEBUG_OFF (events, EVENTS);
 454       vty_out (vty, "BGP events debugging is off%s", VTY_NEWLINE);
 455     }
 456   return CMD_SUCCESS;
 457 }
 458
 459 ALIAS (no_debug_bgp_events,
 460        undebug_bgp_events_cmd,
 461        "undebug bgp events",
 462        UNDEBUG_STR
 463        BGP_STR
 464        "BGP events\n")
 465
 466 DEFUN (debug_bgp_filter,
 467        debug_bgp_filter_cmd,
 468        "debug bgp filters",
 469        DEBUG_STR
 470        BGP_STR
 471        "BGP filters\n")
 472 {
 473   if (vty->node == CONFIG_NODE)
 474     DEBUG_ON (filter, FILTER);
 475   else
 476     {
 477       TERM_DEBUG_ON (filter, FILTER);
 478       vty_out (vty, "BGP filters debugging is on%s", VTY_NEWLINE);
 479     }
 480   return CMD_SUCCESS;
 481 }
 482
 483 DEFUN (no_debug_bgp_filter,
 484        no_debug_bgp_filter_cmd,
 485        "no debug bgp filters",
 486        NO_STR
 487        DEBUG_STR
 488        BGP_STR
 489        "BGP filters\n")
 490 {
 491   if (vty->node == CONFIG_NODE)
 492     DEBUG_OFF (filter, FILTER);
 493   else
 494     {
 495       TERM_DEBUG_OFF (filter, FILTER);
 496       vty_out (vty, "BGP filters debugging is off%s", VTY_NEWLINE);
 497     }
 498   return CMD_SUCCESS;
 499 }
 500
 501 ALIAS (no_debug_bgp_filter,
 502        undebug_bgp_filter_cmd,
 503        "undebug bgp filters",
 504        UNDEBUG_STR
 505        BGP_STR
 506        "BGP filters\n")
 507
 508 DEFUN (debug_bgp_keepalive,
 509        debug_bgp_keepalive_cmd,
 510        "debug bgp keepalives",
 511        DEBUG_STR
 512        BGP_STR
 513        "BGP keepalives\n")
 514 {
 515   if (vty->node == CONFIG_NODE)
 516     DEBUG_ON (keepalive, KEEPALIVE);
 517   else
 518     {
 519       TERM_DEBUG_ON (keepalive, KEEPALIVE);
 520       vty_out (vty, "BGP keepalives debugging is on%s", VTY_NEWLINE);
 521     }
 522   return CMD_SUCCESS;
 523 }
 524
 525 DEFUN (no_debug_bgp_keepalive,
 526        no_debug_bgp_keepalive_cmd,
 527        "no debug bgp keepalives",
 528        NO_STR
 529        DEBUG_STR
 530        BGP_STR
 531        "BGP keepalives\n")
 532 {
 533   if (vty->node == CONFIG_NODE)
 534     DEBUG_OFF (keepalive, KEEPALIVE);
 535   else
 536     {
 537       TERM_DEBUG_OFF (keepalive, KEEPALIVE);
 538       vty_out (vty, "BGP keepalives debugging is off%s", VTY_NEWLINE);
 539     }
 540   return CMD_SUCCESS;
 541 }
 542
 543 ALIAS (no_debug_bgp_keepalive,
 544        undebug_bgp_keepalive_cmd,
 545        "undebug bgp keepalives",
 546        UNDEBUG_STR
 547        BGP_STR
 548        "BGP keepalives\n")
 549
 550 DEFUN (debug_bgp_update,
 551        debug_bgp_update_cmd,
 552        "debug bgp updates",
 553        DEBUG_STR
 554        BGP_STR
 555        "BGP updates\n")
 556 {
 557   if (vty->node == CONFIG_NODE)
 558     {
 559       DEBUG_ON (update, UPDATE_IN);
 560       DEBUG_ON (update, UPDATE_OUT);
 561     }
 562   else
 563     {
 564       TERM_DEBUG_ON (update, UPDATE_IN);
 565       TERM_DEBUG_ON (update, UPDATE_OUT);
 566       vty_out (vty, "BGP updates debugging is on%s", VTY_NEWLINE);
 567     }
 568   return CMD_SUCCESS;
 569 }
 570
 571 DEFUN (debug_bgp_update_direct,
 572        debug_bgp_update_direct_cmd,
 573        "debug bgp updates (in|out)",
 574        DEBUG_STR
 575        BGP_STR
 576        "BGP updates\n"
 577        "Inbound updates\n"
 578        "Outbound updates\n")
 579 {
 580   if (vty->node == CONFIG_NODE)
 581     {
 582       if (strncmp ("i", argv[0], 1) == 0)
 583         {
 584           DEBUG_OFF (update, UPDATE_OUT);
 585           DEBUG_ON (update, UPDATE_IN);
 586         }
 587       else
 588         {
 589           DEBUG_OFF (update, UPDATE_IN);
 590           DEBUG_ON (update, UPDATE_OUT);
 591         }
 592     }
 593   else
 594     {
 595       if (strncmp ("i", argv[0], 1) == 0)
 596         {
 597           TERM_DEBUG_OFF (update, UPDATE_OUT);
 598           TERM_DEBUG_ON (update, UPDATE_IN);
 599           vty_out (vty, "BGP updates debugging is on (inbound)%s", VTY_NEWLINE);
 600         }
 601       else
 602         {
 603           TERM_DEBUG_OFF (update, UPDATE_IN);
 604           TERM_DEBUG_ON (update, UPDATE_OUT);
 605           vty_out (vty, "BGP updates debugging is on (outbound)%s", VTY_NEWLINE);
 606         }
 607     }
 608   return CMD_SUCCESS;
 609 }
 610
 611 DEFUN (no_debug_bgp_update,
 612        no_debug_bgp_update_cmd,
 613        "no debug bgp updates",
 614        NO_STR
 615        DEBUG_STR
 616        BGP_STR
 617        "BGP updates\n")
 618 {
 619   if (vty->node == CONFIG_NODE)
 620     {
 621       DEBUG_OFF (update, UPDATE_IN);
 622       DEBUG_OFF (update, UPDATE_OUT);
 623     }
 624   else
 625     {
 626       TERM_DEBUG_OFF (update, UPDATE_IN);
 627       TERM_DEBUG_OFF (update, UPDATE_OUT);
 628       vty_out (vty, "BGP updates debugging is off%s", VTY_NEWLINE);
 629     }
 630   return CMD_SUCCESS;
 631 }
 632
 633 ALIAS (no_debug_bgp_update,
 634        undebug_bgp_update_cmd,
 635        "undebug bgp updates",
 636        UNDEBUG_STR
 637        BGP_STR
 638        "BGP updates\n")
 639
 640 DEFUN (debug_bgp_normal,
 641        debug_bgp_normal_cmd,
 642        "debug bgp",
 643        DEBUG_STR
 644        BGP_STR)
 645 {
 646   if (vty->node == CONFIG_NODE)
 647     DEBUG_ON (normal, NORMAL);
 648   else
 649     {
 650       TERM_DEBUG_ON (normal, NORMAL);
 651       vty_out (vty, "BGP debugging is on%s", VTY_NEWLINE);
 652     }
 653   return CMD_SUCCESS;
 654 }
 655
 656 DEFUN (no_debug_bgp_normal,
 657        no_debug_bgp_normal_cmd,
 658        "no debug bgp",
 659        NO_STR
 660        DEBUG_STR
 661        BGP_STR)
 662 {
 663   if (vty->node == CONFIG_NODE)
 664     DEBUG_OFF (normal, NORMAL);
 665   else
 666     {
 667       TERM_DEBUG_OFF (normal, NORMAL);
 668       vty_out (vty, "BGP debugging is off%s", VTY_NEWLINE);
 669     }
 670   return CMD_SUCCESS;
 671 }
 672
 673 ALIAS (no_debug_bgp_normal,
 674        undebug_bgp_normal_cmd,
 675        "undebug bgp",
 676        UNDEBUG_STR
 677        BGP_STR)
 678
 679 DEFUN (debug_bgp_zebra,
 680        debug_bgp_zebra_cmd,
 681        "debug bgp zebra",
 682        DEBUG_STR
 683        BGP_STR
 684        "BGP Zebra messages\n")
 685 {
 686   if (vty->node == CONFIG_NODE)
 687     DEBUG_ON (zebra, ZEBRA);
 688   else
 689     {
 690       TERM_DEBUG_ON (zebra, ZEBRA);
 691       vty_out (vty, "BGP zebra debugging is on%s", VTY_NEWLINE);
 692     }
 693   return CMD_SUCCESS;
 694 }
 695
 696 DEFUN (no_debug_bgp_zebra,
 697        no_debug_bgp_zebra_cmd,
 698        "no debug bgp zebra",
 699        NO_STR
 700        DEBUG_STR
 701        BGP_STR
 702        "BGP Zebra messages\n")
 703 {
 704   if (vty->node == CONFIG_NODE)
 705     DEBUG_OFF (zebra, ZEBRA);
 706   else
 707     {
 708       TERM_DEBUG_OFF (zebra, ZEBRA);
 709       vty_out (vty, "BGP zebra debugging is off%s", VTY_NEWLINE);
 710     }
 711   return CMD_SUCCESS;
 712 }
 713
 714 ALIAS (no_debug_bgp_zebra,
 715        undebug_bgp_zebra_cmd,
 716        "undebug bgp zebra",
 717        UNDEBUG_STR
 718        DEBUG_STR
 719        BGP_STR
 720        "BGP Zebra messages\n")
 721
 722 DEFUN (no_debug_bgp_all,
 723        no_debug_bgp_all_cmd,
 724        "no debug all bgp",
 725        NO_STR
 726        DEBUG_STR
 727        "Enable all debugging\n"
 728        BGP_STR)
 729 {
 730   TERM_DEBUG_OFF (normal, NORMAL);
 731   TERM_DEBUG_OFF (events, EVENTS);
 732   TERM_DEBUG_OFF (keepalive, KEEPALIVE);
 733   TERM_DEBUG_OFF (update, UPDATE_IN);
 734   TERM_DEBUG_OFF (update, UPDATE_OUT);
 735   TERM_DEBUG_OFF (as4, AS4);
 736   TERM_DEBUG_OFF (as4, AS4_SEGMENT);
 737   TERM_DEBUG_OFF (fsm, FSM);
 738   TERM_DEBUG_OFF (filter, FILTER);
 739   TERM_DEBUG_OFF (zebra, ZEBRA);
 740   vty_out (vty, "All possible debugging has been turned off%s", VTY_NEWLINE);
 741
 742   return CMD_SUCCESS;
 743 }
 744
 745 ALIAS (no_debug_bgp_all,
 746        undebug_bgp_all_cmd,
 747        "undebug all bgp",
 748        UNDEBUG_STR
 749        "Enable all debugging\n"
 750        BGP_STR)
 751
 752 DEFUN (show_debugging_bgp,
 753        show_debugging_bgp_cmd,
 754        "show debugging bgp",
 755        SHOW_STR
 756        DEBUG_STR
 757        BGP_STR)
 758 {
 759   vty_out (vty, "BGP debugging status:%s", VTY_NEWLINE);
 760
 761   if (BGP_DEBUG (normal, NORMAL))
 762     vty_out (vty, "  BGP debugging is on%s", VTY_NEWLINE);
 763   if (BGP_DEBUG (events, EVENTS))
 764     vty_out (vty, "  BGP events debugging is on%s", VTY_NEWLINE);
 765   if (BGP_DEBUG (keepalive, KEEPALIVE))
 766     vty_out (vty, "  BGP keepalives debugging is on%s", VTY_NEWLINE);
 767   if (BGP_DEBUG (update, UPDATE_IN) && BGP_DEBUG (update, UPDATE_OUT))
 768     vty_out (vty, "  BGP updates debugging is on%s", VTY_NEWLINE);
 769   else if (BGP_DEBUG (update, UPDATE_IN))
 770     vty_out (vty, "  BGP updates debugging is on (inbound)%s", VTY_NEWLINE);
 771   else if (BGP_DEBUG (update, UPDATE_OUT))
 772     vty_out (vty, "  BGP updates debugging is on (outbound)%s", VTY_NEWLINE);
 773   if (BGP_DEBUG (fsm, FSM))
 774     vty_out (vty, "  BGP fsm debugging is on%s", VTY_NEWLINE);
 775   if (BGP_DEBUG (filter, FILTER))
 776     vty_out (vty, "  BGP filter debugging is on%s", VTY_NEWLINE);
 777   if (BGP_DEBUG (zebra, ZEBRA))
 778     vty_out (vty, "  BGP zebra debugging is on%s", VTY_NEWLINE);
 779   if (BGP_DEBUG (as4, AS4))
 780     vty_out (vty, "  BGP as4 debugging is on%s", VTY_NEWLINE);
 781   if (BGP_DEBUG (as4, AS4_SEGMENT))
 782     vty_out (vty, "  BGP as4 aspath segment debugging is on%s", VTY_NEWLINE);
 783   vty_out (vty, "%s", VTY_NEWLINE);
 784   return CMD_SUCCESS;
 785 }
 786
 787 static int
 788 bgp_config_write_debug (struct vty *vty)
 789 {
 790   int write = 0;
 791
 792   if (CONF_BGP_DEBUG (normal, NORMAL))
 793     {
 794       vty_out (vty, "debug bgp%s", VTY_NEWLINE);
 795       write++;
 796     }
 797
 798   if (CONF_BGP_DEBUG (as4, AS4))
 799     {
 800       vty_out (vty, "debug bgp as4%s", VTY_NEWLINE);
 801       write++;
 802     }
 803
 804   if (CONF_BGP_DEBUG (as4, AS4_SEGMENT))
 805     {
 806       vty_out (vty, "debug bgp as4 segment%s", VTY_NEWLINE);
 807       write++;
 808     }
 809
 810   if (CONF_BGP_DEBUG (events, EVENTS))
 811     {
 812       vty_out (vty, "debug bgp events%s", VTY_NEWLINE);
 813       write++;
 814     }
 815
 816   if (CONF_BGP_DEBUG (keepalive, KEEPALIVE))
 817     {
 818       vty_out (vty, "debug bgp keepalives%s", VTY_NEWLINE);
 819       write++;
 820     }
 821
 822   if (CONF_BGP_DEBUG (update, UPDATE_IN) && CONF_BGP_DEBUG (update, UPDATE_OUT))
 823     {
 824       vty_out (vty, "debug bgp updates%s", VTY_NEWLINE);
 825       write++;
 826     }
 827   else if (CONF_BGP_DEBUG (update, UPDATE_IN))
 828     {
 829       vty_out (vty, "debug bgp updates in%s", VTY_NEWLINE);
 830       write++;
 831     }
 832   else if (CONF_BGP_DEBUG (update, UPDATE_OUT))
 833     {
 834       vty_out (vty, "debug bgp updates out%s", VTY_NEWLINE);
 835       write++;
 836     }
 837
 838   if (CONF_BGP_DEBUG (fsm, FSM))
 839     {
 840       vty_out (vty, "debug bgp fsm%s", VTY_NEWLINE);
 841       write++;
 842     }
 843
 844   if (CONF_BGP_DEBUG (filter, FILTER))
 845     {
 846       vty_out (vty, "debug bgp filters%s", VTY_NEWLINE);
 847       write++;
 848     }
 849
 850   if (CONF_BGP_DEBUG (zebra, ZEBRA))
 851     {
 852       vty_out (vty, "debug bgp zebra%s", VTY_NEWLINE);
 853       write++;
 854     }
 855
 856   return write;
 857 }
 858
 859 static struct cmd_node debug_node =
 860 {
 861   DEBUG_NODE,
 862   "",
 863   1
 864 };
 865
 866 void
 867 bgp_debug_init (void)
 868 {
 869   install_node (&debug_node, bgp_config_write_debug);
 870
 871   install_element (ENABLE_NODE, &show_debugging_bgp_cmd);
 872
 873   install_element (ENABLE_NODE, &debug_bgp_as4_cmd);
 874   install_element (CONFIG_NODE, &debug_bgp_as4_cmd);
 875   install_element (ENABLE_NODE, &debug_bgp_as4_segment_cmd);
 876   install_element (CONFIG_NODE, &debug_bgp_as4_segment_cmd);
 877
 878   install_element (ENABLE_NODE, &debug_bgp_fsm_cmd);
 879   install_element (CONFIG_NODE, &debug_bgp_fsm_cmd);
 880   install_element (ENABLE_NODE, &debug_bgp_events_cmd);
 881   install_element (CONFIG_NODE, &debug_bgp_events_cmd);
 882   install_element (ENABLE_NODE, &debug_bgp_filter_cmd);
 883   install_element (CONFIG_NODE, &debug_bgp_filter_cmd);
 884   install_element (ENABLE_NODE, &debug_bgp_keepalive_cmd);
 885   install_element (CONFIG_NODE, &debug_bgp_keepalive_cmd);
 886   install_element (ENABLE_NODE, &debug_bgp_update_cmd);
 887   install_element (CONFIG_NODE, &debug_bgp_update_cmd);
 888   install_element (ENABLE_NODE, &debug_bgp_update_direct_cmd);
 889   install_element (CONFIG_NODE, &debug_bgp_update_direct_cmd);
 890   install_element (ENABLE_NODE, &debug_bgp_normal_cmd);
 891   install_element (CONFIG_NODE, &debug_bgp_normal_cmd);
 892   install_element (ENABLE_NODE, &debug_bgp_zebra_cmd);
 893   install_element (CONFIG_NODE, &debug_bgp_zebra_cmd);
 894
 895   install_element (ENABLE_NODE, &no_debug_bgp_as4_cmd);
 896   install_element (ENABLE_NODE, &undebug_bgp_as4_cmd);
 897   install_element (CONFIG_NODE, &no_debug_bgp_as4_cmd);
 898   install_element (ENABLE_NODE, &no_debug_bgp_as4_segment_cmd);
 899   install_element (ENABLE_NODE, &undebug_bgp_as4_segment_cmd);
 900   install_element (CONFIG_NODE, &no_debug_bgp_as4_segment_cmd);
 901
 902   install_element (ENABLE_NODE, &no_debug_bgp_fsm_cmd);
 903   install_element (ENABLE_NODE, &undebug_bgp_fsm_cmd);
 904   install_element (CONFIG_NODE, &no_debug_bgp_fsm_cmd);
 905   install_element (ENABLE_NODE, &no_debug_bgp_events_cmd);
 906   install_element (ENABLE_NODE, &undebug_bgp_events_cmd);
 907   install_element (CONFIG_NODE, &no_debug_bgp_events_cmd);
 908   install_element (ENABLE_NODE, &no_debug_bgp_filter_cmd);
 909   install_element (ENABLE_NODE, &undebug_bgp_filter_cmd);
 910   install_element (CONFIG_NODE, &no_debug_bgp_filter_cmd);
 911   install_element (ENABLE_NODE, &no_debug_bgp_keepalive_cmd);
 912   install_element (ENABLE_NODE, &undebug_bgp_keepalive_cmd);
 913   install_element (CONFIG_NODE, &no_debug_bgp_keepalive_cmd);
 914   install_element (ENABLE_NODE, &no_debug_bgp_update_cmd);
 915   install_element (ENABLE_NODE, &undebug_bgp_update_cmd);
 916   install_element (CONFIG_NODE, &no_debug_bgp_update_cmd);
 917   install_element (ENABLE_NODE, &no_debug_bgp_normal_cmd);
 918   install_element (ENABLE_NODE, &undebug_bgp_normal_cmd);
 919   install_element (CONFIG_NODE, &no_debug_bgp_normal_cmd);
 920   install_element (ENABLE_NODE, &no_debug_bgp_zebra_cmd);
 921   install_element (ENABLE_NODE, &undebug_bgp_zebra_cmd);
 922   install_element (CONFIG_NODE, &no_debug_bgp_zebra_cmd);
 923   install_element (ENABLE_NODE, &no_debug_bgp_all_cmd);
 924   install_element (ENABLE_NODE, &undebug_bgp_all_cmd);
 925 }