ospf6d/ospf6_snmp.c

   1 /* OSPFv3 SNMP support
   2  * Copyright (C) 2004 Yasuhiro Ohara
   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 along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include <zebra.h>
  22
  23 #include <net-snmp/net-snmp-config.h>
  24 #include <net-snmp/net-snmp-includes.h>
  25
  26 #include "log.h"
  27 #include "vty.h"
  28 #include "linklist.h"
  29 #include "vector.h"
  30 #include "vrf.h"
  31 #include "smux.h"
  32 #include "libfrr.h"
  33 #include "lib/version.h"
  34
  35 #include "ospf6_proto.h"
  36 #include "ospf6_lsa.h"
  37 #include "ospf6_lsdb.h"
  38 #include "ospf6_route.h"
  39 #include "ospf6_top.h"
  40 #include "ospf6_area.h"
  41 #include "ospf6_interface.h"
  42 #include "ospf6_message.h"
  43 #include "ospf6_neighbor.h"
  44 #include "ospf6_abr.h"
  45 #include "ospf6_asbr.h"
  46 #include "ospf6d.h"
  47
  48 /* OSPFv3-MIB */
  49 #define OSPFv3MIB 1,3,6,1,2,1,191
  50
  51 /* OSPFv3 MIB General Group values. */
  52 #define OSPFv3ROUTERID                   1
  53 #define OSPFv3ADMINSTAT                  2
  54 #define OSPFv3VERSIONNUMBER              3
  55 #define OSPFv3AREABDRRTRSTATUS           4
  56 #define OSPFv3ASBDRRTRSTATUS             5
  57 #define OSPFv3ASSCOPELSACOUNT            6
  58 #define OSPFv3ASSCOPELSACHECKSUMSUM      7
  59 #define OSPFv3ORIGINATENEWLSAS           8
  60 #define OSPFv3RXNEWLSAS                  9
  61 #define OSPFv3EXTLSACOUNT               10
  62 #define OSPFv3EXTAREALSDBLIMIT          11
  63 #define OSPFv3EXITOVERFLOWINTERVAL      12
  64 #define OSPFv3DEMANDEXTENSIONS          13
  65 #define OSPFv3REFERENCEBANDWIDTH        14
  66 #define OSPFv3RESTARTSUPPORT            15
  67 #define OSPFv3RESTARTINTERVAL           16
  68 #define OSPFv3RESTARTSTRICTLSACHECKING  17
  69 #define OSPFv3RESTARTSTATUS             18
  70 #define OSPFv3RESTARTAGE                19
  71 #define OSPFv3RESTARTEXITREASON         20
  72 #define OSPFv3NOTIFICATIONENABLE        21
  73 #define OSPFv3STUBROUTERSUPPORT         22
  74 #define OSPFv3STUBROUTERADVERTISEMENT   23
  75 #define OSPFv3DISCONTINUITYTIME         24
  76 #define OSPFv3RESTARTTIME               25
  77
  78 /* OSPFv3 MIB Area Table values: ospfv3AreaTable */
  79 #define OSPFv3IMPORTASEXTERN             2
  80 #define OSPFv3AREASPFRUNS                3
  81 #define OSPFv3AREABDRRTRCOUNT            4
  82 #define OSPFv3AREAASBDRRTRCOUNT          5
  83 #define OSPFv3AREASCOPELSACOUNT          6
  84 #define OSPFv3AREASCOPELSACKSUMSUM       7
  85 #define OSPFv3AREASUMMARY                8
  86 #define OSPFv3AREAROWSTATUS              9
  87 #define OSPFv3AREASTUBMETRIC            10
  88 #define OSPFv3AREANSSATRANSLATORROLE    11
  89 #define OSPFv3AREANSSATRANSLATORSTATE   12
  90 #define OSPFv3AREANSSATRANSLATORSTABINTERVAL    13
  91 #define OSPFv3AREANSSATRANSLATOREVENTS  14
  92 #define OSPFv3AREASTUBMETRICTYPE        15
  93 #define OSPFv3AREATEENABLED             16
  94
  95 /* OSPFv3 MIB * Lsdb Table values: ospfv3*LsdbTable */
  96 #define OSPFv3WWLSDBSEQUENCE             1
  97 #define OSPFv3WWLSDBAGE                  2
  98 #define OSPFv3WWLSDBCHECKSUM             3
  99 #define OSPFv3WWLSDBADVERTISEMENT        4
 100 #define OSPFv3WWLSDBTYPEKNOWN            5
 101
 102 /* Three first bits are to identify column */
 103 #define OSPFv3WWCOLUMN 0x7
 104 /* Then we use other bits to identify table */
 105 #define OSPFv3WWASTABLE   (1 << 3)
 106 #define OSPFv3WWAREATABLE (1 << 4)
 107 #define OSPFv3WWLINKTABLE (1 << 5)
 108 #define OSPFv3WWVIRTLINKTABLE (1 << 6)
 109
 110 /* OSPFv3 MIB Host Table values: ospfv3HostTable */
 111 #define OSPFv3HOSTMETRIC                 3
 112 #define OSPFv3HOSTROWSTATUS              4
 113 #define OSPFv3HOSTAREAID                 5
 114
 115 /* OSPFv3 MIB Interface Table values: ospfv3IfTable */
 116 #define OSPFv3IFAREAID                   3
 117 #define OSPFv3IFTYPE                     4
 118 #define OSPFv3IFADMINSTATUS              5
 119 #define OSPFv3IFRTRPRIORITY              6
 120 #define OSPFv3IFTRANSITDELAY             7
 121 #define OSPFv3IFRETRANSINTERVAL          8
 122 #define OSPFv3IFHELLOINTERVAL            9
 123 #define OSPFv3IFRTRDEADINTERVAL         10
 124 #define OSPFv3IFPOLLINTERVAL            11
 125 #define OSPFv3IFSTATE                   12
 126 #define OSPFv3IFDESIGNATEDROUTER        13
 127 #define OSPFv3IFBACKUPDESIGNATEDROUTER  14
 128 #define OSPFv3IFEVENTS                  15
 129 #define OSPFv3IFROWSTATUS               16
 130 #define OSPFv3IFDEMAND                  17
 131 #define OSPFv3IFMETRICVALUE             18
 132 #define OSPFv3IFLINKSCOPELSACOUNT       19
 133 #define OSPFv3IFLINKLSACKSUMSUM         20
 134 #define OSPFv3IFDEMANDNBRPROBE          21
 135 #define OSPFv3IFDEMANDNBRPROBERETRANSLIMIT 22
 136 #define OSPFv3IFDEMANDNBRPROBEINTERVAL  23
 137 #define OSPFv3IFTEDISABLED              24
 138 #define OSPFv3IFLINKLSASUPPRESSION      25
 139
 140 /* OSPFv3 MIB Virtual Interface Table values: ospfv3VirtIfTable */
 141 #define OSPFv3VIRTIFINDEX           3
 142 #define OSPFv3VIRTIFINSTID          4
 143 #define OSPFv3VIRTIFTRANSITDELAY    5
 144 #define OSPFv3VIRTIFRETRANSINTERVAL 6
 145 #define OSPFv3VIRTIFHELLOINTERVAL   7
 146 #define OSPFv3VIRTIFRTRDEADINTERVAL 8
 147 #define OSPFv3VIRTIFSTATE           9
 148 #define OSPFv3VIRTIFEVENTS         10
 149 #define OSPFv3VIRTIFROWSTATUS      11
 150 #define OSPFv3VIRTIFLINKSCOPELSACOUNT 12
 151 #define OSPFv3VIRTIFLINKLSACKSUMSUM   13
 152
 153 /* OSPFv3 MIB Neighbors Table values: ospfv3NbrTable */
 154 #define OSPFv3NBRADDRESSTYPE      4
 155 #define OSPFv3NBRADDRESS          5
 156 #define OSPFv3NBROPTIONS          6
 157 #define OSPFv3NBRPRIORITY         7
 158 #define OSPFv3NBRSTATE            8
 159 #define OSPFv3NBREVENTS           9
 160 #define OSPFv3NBRLSRETRANSQLEN   10
 161 #define OSPFv3NBRHELLOSUPPRESSED 11
 162 #define OSPFv3NBRIFID            12
 163 #define OSPFv3NBRRESTARTHELPERSTATUS     13
 164 #define OSPFv3NBRRESTARTHELPERAGE        14
 165 #define OSPFv3NBRRESTARTHELPEREXITREASON 15
 166
 167 /* OSPFv3 MIB Configured Neighbors Table values: ospfv3CfgNbrTable */
 168 #define OSPFv3CFGNBRPRIORITY  5
 169 #define OSPFv3CFGNBRROWSTATUS 6
 170
 171 /* OSPFv3 MIB Virtual Neighbors Table values: ospfv3VirtNbrTable */
 172 #define OSPFv3VIRTNBRIFINDEX          3
 173 #define OSPFv3VIRTNBRIFINSTID         4
 174 #define OSPFv3VIRTNBRADDRESSTYPE      5
 175 #define OSPFv3VIRTNBRADDRESS          6
 176 #define OSPFv3VIRTNBROPTIONS          7
 177 #define OSPFv3VIRTNBRSTATE            8
 178 #define OSPFv3VIRTNBREVENTS           9
 179 #define OSPFv3VIRTNBRLSRETRANSQLEN   10
 180 #define OSPFv3VIRTNBRHELLOSUPPRESSED 11
 181 #define OSPFv3VIRTNBRIFID            12
 182 #define OSPFv3VIRTNBRRESTARTHELPERSTATUS     13
 183 #define OSPFv3VIRTNBRRESTARTHELPERAGE        14
 184 #define OSPFv3VIRTNBRRESTARTHELPEREXITREASON 15
 185
 186 /* OSPFv3 MIB Area Aggregate Table values: ospfv3AreaAggregateTable */
 187 #define OSPFv3AREAAGGREGATEROWSTATUS  6
 188 #define OSPFv3AREAAGGREGATEEFFECT     7
 189 #define OSPFv3AREAAGGREGATEROUTETAG   8
 190
 191 /* SYNTAX Status from OSPF-MIB. */
 192 #define OSPF_STATUS_ENABLED  1
 193 #define OSPF_STATUS_DISABLED 2
 194
 195 /* SNMP value hack. */
 196 #define COUNTER     ASN_COUNTER
 197 #define INTEGER     ASN_INTEGER
 198 #define GAUGE       ASN_GAUGE
 199 #define UNSIGNED    ASN_UNSIGNED
 200 #define TIMETICKS   ASN_TIMETICKS
 201 #define IPADDRESS   ASN_IPADDRESS
 202 #define STRING      ASN_OCTET_STR
 203
 204 /* For return values e.g. SNMP_INTEGER macro */
 205 SNMP_LOCAL_VARIABLES
 206
 207 /* OSPFv3-MIB instances. */
 208 static oid ospfv3_oid[] = {OSPFv3MIB};
 209 static oid ospfv3_trap_oid[] = {OSPFv3MIB, 0};
 210
 211 /* Hook functions. */
 212 static uint8_t *ospfv3GeneralGroup(struct variable *, oid *, size_t *, int,
 213                                    size_t *, WriteMethod **);
 214 static uint8_t *ospfv3AreaEntry(struct variable *, oid *, size_t *, int,
 215                                 size_t *, WriteMethod **);
 216 static uint8_t *ospfv3WwLsdbEntry(struct variable *, oid *, size_t *, int,
 217                                   size_t *, WriteMethod **);
 218 static uint8_t *ospfv3NbrEntry(struct variable *, oid *, size_t *, int,
 219                                size_t *, WriteMethod **);
 220 static uint8_t *ospfv3IfEntry(struct variable *, oid *, size_t *, int, size_t *,
 221                               WriteMethod **);
 222
 223 static struct variable ospfv3_variables[] = {
 224         /* OSPF general variables */
 225         {OSPFv3ROUTERID, UNSIGNED, RWRITE, ospfv3GeneralGroup, 3, {1, 1, 1}},
 226         {OSPFv3ADMINSTAT, INTEGER, RWRITE, ospfv3GeneralGroup, 3, {1, 1, 2}},
 227         {OSPFv3VERSIONNUMBER, INTEGER, RONLY, ospfv3GeneralGroup, 3, {1, 1, 3}},
 228         {OSPFv3AREABDRRTRSTATUS,
 229          INTEGER,
 230          RONLY,
 231          ospfv3GeneralGroup,
 232          3,
 233          {1, 1, 4}},
 234         {OSPFv3ASBDRRTRSTATUS,
 235          INTEGER,
 236          RWRITE,
 237          ospfv3GeneralGroup,
 238          3,
 239          {1, 1, 5}},
 240         {OSPFv3ASSCOPELSACOUNT, GAUGE, RONLY, ospfv3GeneralGroup, 3, {1, 1, 6}},
 241         {OSPFv3ASSCOPELSACHECKSUMSUM,
 242          UNSIGNED,
 243          RONLY,
 244          ospfv3GeneralGroup,
 245          3,
 246          {1, 1, 7}},
 247         {OSPFv3ORIGINATENEWLSAS,
 248          COUNTER,
 249          RONLY,
 250          ospfv3GeneralGroup,
 251          3,
 252          {1, 1, 8}},
 253         {OSPFv3RXNEWLSAS, COUNTER, RONLY, ospfv3GeneralGroup, 3, {1, 1, 9}},
 254         {OSPFv3EXTLSACOUNT, GAUGE, RONLY, ospfv3GeneralGroup, 3, {1, 1, 10}},
 255         {OSPFv3EXTAREALSDBLIMIT,
 256          INTEGER,
 257          RWRITE,
 258          ospfv3GeneralGroup,
 259          3,
 260          {1, 1, 11}},
 261         {OSPFv3EXITOVERFLOWINTERVAL,
 262          UNSIGNED,
 263          RWRITE,
 264          ospfv3GeneralGroup,
 265          3,
 266          {1, 1, 12}},
 267         {OSPFv3DEMANDEXTENSIONS,
 268          INTEGER,
 269          RWRITE,
 270          ospfv3GeneralGroup,
 271          3,
 272          {1, 1, 13}},
 273         {OSPFv3REFERENCEBANDWIDTH,
 274          UNSIGNED,
 275          RWRITE,
 276          ospfv3GeneralGroup,
 277          3,
 278          {1, 1, 14}},
 279         {OSPFv3RESTARTSUPPORT,
 280          INTEGER,
 281          RWRITE,
 282          ospfv3GeneralGroup,
 283          3,
 284          {1, 1, 15}},
 285         {OSPFv3RESTARTINTERVAL,
 286          UNSIGNED,
 287          RWRITE,
 288          ospfv3GeneralGroup,
 289          3,
 290          {1, 1, 16}},
 291         {OSPFv3RESTARTSTRICTLSACHECKING,
 292          INTEGER,
 293          RWRITE,
 294          ospfv3GeneralGroup,
 295          3,
 296          {1, 1, 17}},
 297         {OSPFv3RESTARTSTATUS,
 298          INTEGER,
 299          RONLY,
 300          ospfv3GeneralGroup,
 301          3,
 302          {1, 1, 18}},
 303         {OSPFv3RESTARTAGE, UNSIGNED, RONLY, ospfv3GeneralGroup, 3, {1, 1, 19}},
 304         {OSPFv3RESTARTEXITREASON,
 305          INTEGER,
 306          RONLY,
 307          ospfv3GeneralGroup,
 308          3,
 309          {1, 1, 20}},
 310         {OSPFv3NOTIFICATIONENABLE,
 311          INTEGER,
 312          RWRITE,
 313          ospfv3GeneralGroup,
 314          3,
 315          {1, 1, 21}},
 316         {OSPFv3STUBROUTERSUPPORT,
 317          INTEGER,
 318          RONLY,
 319          ospfv3GeneralGroup,
 320          3,
 321          {1, 1, 22}},
 322         {OSPFv3STUBROUTERADVERTISEMENT,
 323          INTEGER,
 324          RWRITE,
 325          ospfv3GeneralGroup,
 326          3,
 327          {1, 1, 23}},
 328         {OSPFv3DISCONTINUITYTIME,
 329          TIMETICKS,
 330          RONLY,
 331          ospfv3GeneralGroup,
 332          3,
 333          {1, 1, 24}},
 334         {OSPFv3RESTARTTIME,
 335          TIMETICKS,
 336          RONLY,
 337          ospfv3GeneralGroup,
 338          3,
 339          {1, 1, 25}},
 340
 341         /* OSPFv3 Area Data Structure */
 342         {OSPFv3IMPORTASEXTERN,
 343          INTEGER,
 344          RWRITE,
 345          ospfv3AreaEntry,
 346          4,
 347          {1, 2, 1, 2}},
 348         {OSPFv3AREASPFRUNS, COUNTER, RONLY, ospfv3AreaEntry, 4, {1, 2, 1, 3}},
 349         {OSPFv3AREABDRRTRCOUNT, GAUGE, RONLY, ospfv3AreaEntry, 4, {1, 2, 1, 4}},
 350         {OSPFv3AREAASBDRRTRCOUNT,
 351          GAUGE,
 352          RONLY,
 353          ospfv3AreaEntry,
 354          4,
 355          {1, 2, 1, 5}},
 356         {OSPFv3AREASCOPELSACOUNT,
 357          GAUGE,
 358          RONLY,
 359          ospfv3AreaEntry,
 360          4,
 361          {1, 2, 1, 6}},
 362         {OSPFv3AREASCOPELSACKSUMSUM,
 363          UNSIGNED,
 364          RONLY,
 365          ospfv3AreaEntry,
 366          4,
 367          {1, 2, 1, 7}},
 368         {OSPFv3AREASUMMARY, INTEGER, RWRITE, ospfv3AreaEntry, 4, {1, 2, 1, 8}},
 369         {OSPFv3AREAROWSTATUS,
 370          INTEGER,
 371          RWRITE,
 372          ospfv3AreaEntry,
 373          4,
 374          {1, 2, 1, 9}},
 375         {OSPFv3AREASTUBMETRIC,
 376          INTEGER,
 377          RWRITE,
 378          ospfv3AreaEntry,
 379          4,
 380          {1, 2, 1, 10}},
 381         {OSPFv3AREANSSATRANSLATORROLE,
 382          INTEGER,
 383          RWRITE,
 384          ospfv3AreaEntry,
 385          4,
 386          {1, 2, 1, 11}},
 387         {OSPFv3AREANSSATRANSLATORSTATE,
 388          INTEGER,
 389          RONLY,
 390          ospfv3AreaEntry,
 391          4,
 392          {1, 2, 1, 12}},
 393         {OSPFv3AREANSSATRANSLATORSTABINTERVAL,
 394          UNSIGNED,
 395          RWRITE,
 396          ospfv3AreaEntry,
 397          4,
 398          {1, 2, 1, 13}},
 399         {OSPFv3AREANSSATRANSLATOREVENTS,
 400          COUNTER,
 401          RONLY,
 402          ospfv3AreaEntry,
 403          4,
 404          {1, 2, 1, 14}},
 405         {OSPFv3AREASTUBMETRICTYPE,
 406          INTEGER,
 407          RWRITE,
 408          ospfv3AreaEntry,
 409          4,
 410          {1, 2, 1, 15}},
 411         {OSPFv3AREATEENABLED,
 412          INTEGER,
 413          RWRITE,
 414          ospfv3AreaEntry,
 415          4,
 416          {1, 2, 1, 16}},
 417
 418         /* OSPFv3 AS LSDB */
 419         {OSPFv3WWLSDBSEQUENCE | OSPFv3WWASTABLE,
 420          INTEGER,
 421          RONLY,
 422          ospfv3WwLsdbEntry,
 423          4,
 424          {1, 3, 1, 4}},
 425         {OSPFv3WWLSDBAGE | OSPFv3WWASTABLE,
 426          UNSIGNED,
 427          RONLY,
 428          ospfv3WwLsdbEntry,
 429          4,
 430          {1, 3, 1, 5}},
 431         {OSPFv3WWLSDBCHECKSUM | OSPFv3WWASTABLE,
 432          INTEGER,
 433          RONLY,
 434          ospfv3WwLsdbEntry,
 435          4,
 436          {1, 3, 1, 6}},
 437         {OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWASTABLE,
 438          STRING,
 439          RONLY,
 440          ospfv3WwLsdbEntry,
 441          4,
 442          {1, 3, 1, 7}},
 443         {OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWASTABLE,
 444          INTEGER,
 445          RONLY,
 446          ospfv3WwLsdbEntry,
 447          4,
 448          {1, 3, 1, 8}},
 449
 450         /* OSPFv3 Area LSDB */
 451         {OSPFv3WWLSDBSEQUENCE | OSPFv3WWAREATABLE,
 452          INTEGER,
 453          RONLY,
 454          ospfv3WwLsdbEntry,
 455          4,
 456          {1, 4, 1, 5}},
 457         {OSPFv3WWLSDBAGE | OSPFv3WWAREATABLE,
 458          UNSIGNED,
 459          RONLY,
 460          ospfv3WwLsdbEntry,
 461          4,
 462          {1, 4, 1, 6}},
 463         {OSPFv3WWLSDBCHECKSUM | OSPFv3WWAREATABLE,
 464          INTEGER,
 465          RONLY,
 466          ospfv3WwLsdbEntry,
 467          4,
 468          {1, 4, 1, 7}},
 469         {OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWAREATABLE,
 470          STRING,
 471          RONLY,
 472          ospfv3WwLsdbEntry,
 473          4,
 474          {1, 4, 1, 8}},
 475         {OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWAREATABLE,
 476          INTEGER,
 477          RONLY,
 478          ospfv3WwLsdbEntry,
 479          4,
 480          {1, 4, 1, 9}},
 481
 482         /* OSPFv3 Link LSDB */
 483         {OSPFv3WWLSDBSEQUENCE | OSPFv3WWLINKTABLE,
 484          INTEGER,
 485          RONLY,
 486          ospfv3WwLsdbEntry,
 487          4,
 488          {1, 5, 1, 6}},
 489         {OSPFv3WWLSDBAGE | OSPFv3WWLINKTABLE,
 490          UNSIGNED,
 491          RONLY,
 492          ospfv3WwLsdbEntry,
 493          4,
 494          {1, 5, 1, 7}},
 495         {OSPFv3WWLSDBCHECKSUM | OSPFv3WWLINKTABLE,
 496          INTEGER,
 497          RONLY,
 498          ospfv3WwLsdbEntry,
 499          4,
 500          {1, 5, 1, 8}},
 501         {OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWLINKTABLE,
 502          STRING,
 503          RONLY,
 504          ospfv3WwLsdbEntry,
 505          4,
 506          {1, 5, 1, 9}},
 507         {OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWLINKTABLE,
 508          INTEGER,
 509          RONLY,
 510          ospfv3WwLsdbEntry,
 511          4,
 512          {1, 5, 1, 10}},
 513
 514         /* OSPFv3 interfaces */
 515         {OSPFv3IFAREAID, UNSIGNED, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 3}},
 516         {OSPFv3IFTYPE, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 4}},
 517         {OSPFv3IFADMINSTATUS, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 5}},
 518         {OSPFv3IFRTRPRIORITY, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 6}},
 519         {OSPFv3IFTRANSITDELAY, UNSIGNED, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 7}},
 520         {OSPFv3IFRETRANSINTERVAL,
 521          UNSIGNED,
 522          RONLY,
 523          ospfv3IfEntry,
 524          4,
 525          {1, 7, 1, 8}},
 526         {OSPFv3IFHELLOINTERVAL, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 9}},
 527         {OSPFv3IFRTRDEADINTERVAL,
 528          UNSIGNED,
 529          RONLY,
 530          ospfv3IfEntry,
 531          4,
 532          {1, 7, 1, 10}},
 533         {OSPFv3IFPOLLINTERVAL,
 534          UNSIGNED,
 535          RONLY,
 536          ospfv3IfEntry,
 537          4,
 538          {1, 7, 1, 11}},
 539         {OSPFv3IFSTATE, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 12}},
 540         {OSPFv3IFDESIGNATEDROUTER,
 541          UNSIGNED,
 542          RONLY,
 543          ospfv3IfEntry,
 544          4,
 545          {1, 7, 1, 13}},
 546         {OSPFv3IFBACKUPDESIGNATEDROUTER,
 547          UNSIGNED,
 548          RONLY,
 549          ospfv3IfEntry,
 550          4,
 551          {1, 7, 1, 14}},
 552         {OSPFv3IFEVENTS, COUNTER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 15}},
 553         {OSPFv3IFROWSTATUS, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 16}},
 554         {OSPFv3IFDEMAND, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 17}},
 555         {OSPFv3IFMETRICVALUE, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 18}},
 556         {OSPFv3IFLINKSCOPELSACOUNT,
 557          GAUGE,
 558          RONLY,
 559          ospfv3IfEntry,
 560          4,
 561          {1, 7, 1, 19}},
 562         {OSPFv3IFLINKLSACKSUMSUM,
 563          UNSIGNED,
 564          RONLY,
 565          ospfv3IfEntry,
 566          4,
 567          {1, 7, 1, 20}},
 568         {OSPFv3IFDEMANDNBRPROBE,
 569          INTEGER,
 570          RONLY,
 571          ospfv3IfEntry,
 572          4,
 573          {1, 7, 1, 21}},
 574         {OSPFv3IFDEMANDNBRPROBERETRANSLIMIT,
 575          UNSIGNED,
 576          RONLY,
 577          ospfv3IfEntry,
 578          4,
 579          {1, 7, 1, 22}},
 580         {OSPFv3IFDEMANDNBRPROBEINTERVAL,
 581          UNSIGNED,
 582          RONLY,
 583          ospfv3IfEntry,
 584          4,
 585          {1, 7, 1, 23}},
 586         {OSPFv3IFTEDISABLED, INTEGER, RONLY, ospfv3IfEntry, 4, {1, 7, 1, 24}},
 587         {OSPFv3IFLINKLSASUPPRESSION,
 588          INTEGER,
 589          RONLY,
 590          ospfv3IfEntry,
 591          4,
 592          {1, 7, 1, 25}},
 593
 594         /* OSPFv3 neighbors */
 595         {OSPFv3NBRADDRESSTYPE, INTEGER, RONLY, ospfv3NbrEntry, 4, {1, 9, 1, 4}},
 596         {OSPFv3NBRADDRESS, STRING, RONLY, ospfv3NbrEntry, 4, {1, 9, 1, 5}},
 597         {OSPFv3NBROPTIONS, INTEGER, RONLY, ospfv3NbrEntry, 4, {1, 9, 1, 6}},
 598         {OSPFv3NBRPRIORITY, INTEGER, RONLY, ospfv3NbrEntry, 4, {1, 9, 1, 7}},
 599         {OSPFv3NBRSTATE, INTEGER, RONLY, ospfv3NbrEntry, 4, {1, 9, 1, 8}},
 600         {OSPFv3NBREVENTS, COUNTER, RONLY, ospfv3NbrEntry, 4, {1, 9, 1, 9}},
 601         {OSPFv3NBRLSRETRANSQLEN,
 602          GAUGE,
 603          RONLY,
 604          ospfv3NbrEntry,
 605          4,
 606          {1, 9, 1, 10}},
 607         {OSPFv3NBRHELLOSUPPRESSED,
 608          INTEGER,
 609          RONLY,
 610          ospfv3NbrEntry,
 611          4,
 612          {1, 9, 1, 11}},
 613         {OSPFv3NBRIFID, INTEGER, RONLY, ospfv3NbrEntry, 4, {1, 9, 1, 12}},
 614         {OSPFv3NBRRESTARTHELPERSTATUS,
 615          INTEGER,
 616          RONLY,
 617          ospfv3NbrEntry,
 618          4,
 619          {1, 9, 1, 13}},
 620         {OSPFv3NBRRESTARTHELPERAGE,
 621          UNSIGNED,
 622          RONLY,
 623          ospfv3NbrEntry,
 624          4,
 625          {1, 9, 1, 14}},
 626         {OSPFv3NBRRESTARTHELPEREXITREASON,
 627          INTEGER,
 628          RONLY,
 629          ospfv3NbrEntry,
 630          4,
 631          {1, 9, 1, 15}},
 632 };
 633
 634 static uint8_t *ospfv3GeneralGroup(struct variable *v, oid *name,
 635                                    size_t *length, int exact, size_t *var_len,
 636                                    WriteMethod **write_method)
 637 {
 638         uint16_t sum;
 639         uint32_t count;
 640         struct ospf6_lsa *lsa = NULL, *lsanext;
 641         struct ospf6 *ospf6;
 642
 643         ospf6 = ospf6_lookup_by_vrf_id(VRF_DEFAULT);
 644         /* Check whether the instance identifier is valid */
 645         if (smux_header_generic(v, name, length, exact, var_len, write_method)
 646             == MATCH_FAILED)
 647                 return NULL;
 648
 649         /* Return the current value of the variable */
 650         switch (v->magic) {
 651         case OSPFv3ROUTERID:
 652                 /* Router-ID of this OSPF instance. */
 653                 if (ospf6)
 654                         return SNMP_INTEGER(ntohl(ospf6->router_id));
 655                 return SNMP_INTEGER(0);
 656         case OSPFv3ADMINSTAT:
 657                 if (ospf6)
 658                         return SNMP_INTEGER(
 659                                 CHECK_FLAG(ospf6->flag, OSPF6_DISABLED)
 660                                         ? OSPF_STATUS_DISABLED
 661                                         : OSPF_STATUS_ENABLED);
 662                 return SNMP_INTEGER(OSPF_STATUS_DISABLED);
 663         case OSPFv3VERSIONNUMBER:
 664                 return SNMP_INTEGER(3);
 665         case OSPFv3AREABDRRTRSTATUS:
 666                 if (ospf6)
 667                         return SNMP_INTEGER(
 668                                 ospf6_check_and_set_router_abr(ospf6)
 669                                         ? SNMP_TRUE
 670                                         : SNMP_FALSE);
 671                 return SNMP_INTEGER(SNMP_FALSE);
 672         case OSPFv3ASBDRRTRSTATUS:
 673                 if (ospf6)
 674                         return SNMP_INTEGER(ospf6_asbr_is_asbr(ospf6)
 675                                                     ? SNMP_TRUE
 676                                                     : SNMP_FALSE);
 677                 return SNMP_INTEGER(SNMP_FALSE);
 678         case OSPFv3ASSCOPELSACOUNT:
 679                 if (ospf6)
 680                         return SNMP_INTEGER(ospf6->lsdb->count);
 681                 return SNMP_INTEGER(0);
 682         case OSPFv3ASSCOPELSACHECKSUMSUM:
 683                 if (ospf6) {
 684                         sum = 0;
 685                         for (ALL_LSDB(ospf6->lsdb, lsa, lsanext))
 686                                 sum += ntohs(lsa->header->checksum);
 687                         return SNMP_INTEGER(sum);
 688                 }
 689                 return SNMP_INTEGER(0);
 690         case OSPFv3ORIGINATENEWLSAS:
 691                 return SNMP_INTEGER(
 692                         0); /* Don't know where to get this value... */
 693         case OSPFv3RXNEWLSAS:
 694                 return SNMP_INTEGER(
 695                         0); /* Don't know where to get this value... */
 696         case OSPFv3EXTLSACOUNT:
 697                 if (ospf6) {
 698                         count = 0;
 699                         for (ALL_LSDB_TYPED(ospf6->lsdb,
 700                                             htons(OSPF6_LSTYPE_AS_EXTERNAL),
 701                                             lsa))
 702                                 count += 1;
 703                         return SNMP_INTEGER(count);
 704                 }
 705                 return SNMP_INTEGER(0);
 706         case OSPFv3EXTAREALSDBLIMIT:
 707                 return SNMP_INTEGER(-1);
 708         case OSPFv3EXITOVERFLOWINTERVAL:
 709                 return SNMP_INTEGER(0); /* Not supported */
 710         case OSPFv3DEMANDEXTENSIONS:
 711                 return SNMP_INTEGER(0); /* Not supported */
 712         case OSPFv3REFERENCEBANDWIDTH:
 713                 if (ospf6)
 714                         return SNMP_INTEGER(ospf6->ref_bandwidth);
 715         /* Otherwise, like for "not implemented". */
 716         /* fallthru */
 717         case OSPFv3RESTARTSUPPORT:
 718         case OSPFv3RESTARTINTERVAL:
 719         case OSPFv3RESTARTSTRICTLSACHECKING:
 720         case OSPFv3RESTARTSTATUS:
 721         case OSPFv3RESTARTAGE:
 722         case OSPFv3RESTARTEXITREASON:
 723         case OSPFv3NOTIFICATIONENABLE:
 724         case OSPFv3STUBROUTERSUPPORT:
 725         case OSPFv3STUBROUTERADVERTISEMENT:
 726         case OSPFv3DISCONTINUITYTIME:
 727         case OSPFv3RESTARTTIME:
 728                 /* TODO: Not implemented */
 729                 return NULL;
 730         }
 731         return NULL;
 732 }
 733
 734 static uint8_t *ospfv3AreaEntry(struct variable *v, oid *name, size_t *length,
 735                                 int exact, size_t *var_len,
 736                                 WriteMethod **write_method)
 737 {
 738         struct ospf6_area *oa, *area = NULL;
 739         struct ospf6_lsa *lsa = NULL, *lsanext;
 740         uint32_t area_id = 0;
 741         uint32_t count;
 742         uint16_t sum;
 743         struct listnode *node;
 744         unsigned int len;
 745         char a[16];
 746         struct ospf6_route *ro;
 747         struct ospf6 *ospf6;
 748
 749         ospf6 = ospf6_lookup_by_vrf_id(VRF_DEFAULT);
 750
 751         if (ospf6 == NULL)
 752                 return NULL;
 753
 754         if (smux_header_table(v, name, length, exact, var_len, write_method)
 755             == MATCH_FAILED)
 756                 return NULL;
 757
 758         len = *length - v->namelen;
 759         len = (len >= 1 ? 1 : 0);
 760         if (exact && len != 1)
 761                 return NULL;
 762         if (len)
 763                 area_id = htonl(name[v->namelen]);
 764
 765         inet_ntop(AF_INET, &area_id, a, sizeof(a));
 766         zlog_debug("SNMP access by area: %s, exact=%d len=%d length=%lu", a,
 767                    exact, len, (unsigned long)*length);
 768
 769         for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, node, oa)) {
 770                 if (area == NULL) {
 771                         if (len == 0) /* return first area entry */
 772                                 area = oa;
 773                         else if (exact && ntohl(oa->area_id) == ntohl(area_id))
 774                                 area = oa;
 775                         else if (ntohl(oa->area_id) > ntohl(area_id))
 776                                 area = oa;
 777                 }
 778         }
 779
 780         if (area == NULL)
 781                 return NULL;
 782
 783         *length = v->namelen + 1;
 784         name[v->namelen] = ntohl(area->area_id);
 785
 786         inet_ntop(AF_INET, &area->area_id, a, sizeof(a));
 787         zlog_debug("SNMP found area: %s, exact=%d len=%d length=%lu", a, exact,
 788                    len, (unsigned long)*length);
 789
 790         switch (v->magic) {
 791         case OSPFv3IMPORTASEXTERN:
 792                 /* No NSSA support */
 793                 return SNMP_INTEGER(IS_AREA_STUB(area) ? 2 : 1);
 794         case OSPFv3AREASPFRUNS:
 795                 return SNMP_INTEGER(area->spf_calculation);
 796         case OSPFv3AREABDRRTRCOUNT:
 797         case OSPFv3AREAASBDRRTRCOUNT:
 798                 count = 0;
 799                 for (ro = ospf6_route_head(ospf6->brouter_table); ro;
 800                      ro = ospf6_route_next(ro)) {
 801                         if (ntohl(ro->path.area_id) != ntohl(area->area_id))
 802                                 continue;
 803                         if (v->magic == OSPFv3AREABDRRTRCOUNT
 804                             && CHECK_FLAG(ro->path.router_bits,
 805                                           OSPF6_ROUTER_BIT_B))
 806                                 count++;
 807                         if (v->magic == OSPFv3AREAASBDRRTRCOUNT
 808                             && CHECK_FLAG(ro->path.router_bits,
 809                                           OSPF6_ROUTER_BIT_E))
 810                                 count++;
 811                 }
 812                 return SNMP_INTEGER(count);
 813         case OSPFv3AREASCOPELSACOUNT:
 814                 return SNMP_INTEGER(area->lsdb->count);
 815         case OSPFv3AREASCOPELSACKSUMSUM:
 816                 sum = 0;
 817                 for (ALL_LSDB(area->lsdb, lsa, lsanext))
 818                         sum += ntohs(lsa->header->checksum);
 819                 return SNMP_INTEGER(sum);
 820         case OSPFv3AREASUMMARY:
 821                 return SNMP_INTEGER(2); /* sendAreaSummary */
 822         case OSPFv3AREAROWSTATUS:
 823                 return SNMP_INTEGER(1); /* Active */
 824         case OSPFv3AREASTUBMETRIC:
 825         case OSPFv3AREANSSATRANSLATORROLE:
 826         case OSPFv3AREANSSATRANSLATORSTATE:
 827         case OSPFv3AREANSSATRANSLATORSTABINTERVAL:
 828         case OSPFv3AREANSSATRANSLATOREVENTS:
 829         case OSPFv3AREASTUBMETRICTYPE:
 830         case OSPFv3AREATEENABLED:
 831                 /* Not implemented. */
 832                 return NULL;
 833         }
 834         return NULL;
 835 }
 836
 837 static int if_icmp_func(struct interface *ifp1, struct interface *ifp2)
 838 {
 839         return (ifp1->ifindex - ifp2->ifindex);
 840 }
 841
 842 static uint8_t *ospfv3WwLsdbEntry(struct variable *v, oid *name, size_t *length,
 843                                   int exact, size_t *var_len,
 844                                   WriteMethod **write_method)
 845 {
 846         struct vrf *vrf;
 847         struct ospf6_lsa *lsa = NULL;
 848         ifindex_t ifindex;
 849         uint32_t area_id, id, instid, adv_router;
 850         uint16_t type;
 851         int len;
 852         oid *offset;
 853         int offsetlen;
 854         struct ospf6_area *oa = NULL;
 855         struct listnode *node;
 856         struct interface *iif;
 857         struct ospf6_interface *oi = NULL;
 858         struct list *ifslist;
 859         struct ospf6 *ospf6;
 860
 861         ospf6 = ospf6_lookup_by_vrf_id(VRF_DEFAULT);
 862
 863         if (smux_header_table(v, name, length, exact, var_len, write_method)
 864             == MATCH_FAILED)
 865                 return NULL;
 866
 867         instid = ifindex = area_id = type = id = adv_router = 0;
 868
 869         /* Check OSPFv3 instance. */
 870         if (ospf6 == NULL)
 871                 return NULL;
 872
 873         vrf = vrf_lookup_by_id(ospf6->vrf_id);
 874         /* Get variable length. */
 875         offset = name + v->namelen;
 876         offsetlen = *length - v->namelen;
 877
 878         if (exact && (v->magic & OSPFv3WWASTABLE) && offsetlen != 3)
 879                 return NULL;
 880         if (exact && (v->magic & OSPFv3WWAREATABLE) && offsetlen != 4)
 881                 return NULL;
 882         if (exact && (v->magic & OSPFv3WWLINKTABLE) && offsetlen != 5)
 883                 return NULL;
 884
 885         if (v->magic & OSPFv3WWLINKTABLE) {
 886                 /* Parse ifindex */
 887                 len = (offsetlen < 1 ? 0 : 1);
 888                 if (len)
 889                         ifindex = *offset;
 890                 offset += len;
 891                 offsetlen -= len;
 892
 893                 /* Parse instance ID */
 894                 len = (offsetlen < 1 ? 0 : 1);
 895                 if (len)
 896                         instid = *offset;
 897                 offset += len;
 898                 offsetlen -= len;
 899         } else if (v->magic & OSPFv3WWAREATABLE) {
 900                 /* Parse area-id */
 901                 len = (offsetlen < 1 ? 0 : 1);
 902                 if (len)
 903                         area_id = htonl(*offset);
 904                 offset += len;
 905                 offsetlen -= len;
 906         }
 907
 908         /* Parse type */
 909         len = (offsetlen < 1 ? 0 : 1);
 910         if (len)
 911                 type = htons(*offset);
 912         offset += len;
 913         offsetlen -= len;
 914
 915         /* Parse Router-ID */
 916         len = (offsetlen < 1 ? 0 : 1);
 917         if (len)
 918                 adv_router = htonl(*offset);
 919         offset += len;
 920         offsetlen -= len;
 921
 922         /* Parse LS-ID */
 923         len = (offsetlen < 1 ? 0 : 1);
 924         if (len)
 925                 id = htonl(*offset);
 926         offset += len;
 927         // offsetlen -= len;  // Add back in if we need it again
 928
 929         if (exact) {
 930                 if (v->magic & OSPFv3WWASTABLE) {
 931                         lsa = ospf6_lsdb_lookup(type, id, adv_router,
 932                                                 ospf6->lsdb);
 933                 } else if (v->magic & OSPFv3WWAREATABLE) {
 934                         oa = ospf6_area_lookup(area_id, ospf6);
 935                         if (!oa)
 936                                 return NULL;
 937                         lsa = ospf6_lsdb_lookup(type, id, adv_router, oa->lsdb);
 938                 } else if (v->magic & OSPFv3WWLINKTABLE) {
 939                         oi = ospf6_interface_lookup_by_ifindex(ifindex,
 940                                                                ospf6->vrf_id);
 941                         if (!oi || oi->instance_id != instid)
 942                                 return NULL;
 943                         lsa = ospf6_lsdb_lookup(type, id, adv_router, oi->lsdb);
 944                 }
 945         } else {
 946                 if (v->magic & OSPFv3WWASTABLE) {
 947                         if (ospf6->lsdb->count)
 948                                 lsa = ospf6_lsdb_lookup_next(
 949                                         type, id, adv_router, ospf6->lsdb);
 950                 } else if (v->magic & OSPFv3WWAREATABLE)
 951                         for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, node, oa)) {
 952                                 if (oa->area_id < area_id)
 953                                         continue;
 954
 955                                 if (oa->lsdb->count)
 956                                         lsa = ospf6_lsdb_lookup_next(
 957                                                 type, id, adv_router, oa->lsdb);
 958                                 if (lsa)
 959                                         break;
 960                                 type = 0;
 961                                 id = 0;
 962                                 adv_router = 0;
 963                         }
 964                 else if (v->magic & OSPFv3WWLINKTABLE) {
 965                         /* We build a sorted list of interfaces */
 966                         ifslist = list_new();
 967                         ifslist->cmp = (int (*)(void *, void *))if_icmp_func;
 968                         FOR_ALL_INTERFACES (vrf, iif)
 969                                 listnode_add_sort(ifslist, iif);
 970
 971                         for (ALL_LIST_ELEMENTS_RO(ifslist, node, iif)) {
 972                                 if (!iif->ifindex)
 973                                         continue;
 974                                 oi = ospf6_interface_lookup_by_ifindex(
 975                                         iif->ifindex, iif->vrf_id);
 976                                 if (!oi)
 977                                         continue;
 978                                 if (iif->ifindex < ifindex)
 979                                         continue;
 980                                 if (oi->instance_id < instid)
 981                                         continue;
 982
 983                                 if (oi->lsdb->count)
 984                                         lsa = ospf6_lsdb_lookup_next(
 985                                                 type, id, adv_router, oi->lsdb);
 986                                 if (lsa)
 987                                         break;
 988                                 type = 0;
 989                                 id = 0;
 990                                 adv_router = 0;
 991                                 oi = NULL;
 992                         }
 993
 994                         list_delete_all_node(ifslist);
 995                         list_delete(&ifslist);
 996                 }
 997         }
 998
 999         if (!lsa)
1000                 return NULL;
1001
1002         /* Add indexes */
1003         if (v->magic & OSPFv3WWASTABLE) {
1004                 *length = v->namelen + 3;
1005                 offset = name + v->namelen;
1006         } else if (v->magic & OSPFv3WWAREATABLE) {
1007                 *length = v->namelen + 4;
1008                 offset = name + v->namelen;
1009                 *offset = ntohl(oa->area_id);
1010                 offset++;
1011         } else if (v->magic & OSPFv3WWLINKTABLE) {
1012                 *length = v->namelen + 5;
1013                 offset = name + v->namelen;
1014                 *offset = oi->interface->ifindex;
1015                 offset++;
1016                 *offset = oi->instance_id;
1017                 offset++;
1018         }
1019         *offset = ntohs(lsa->header->type);
1020         offset++;
1021         *offset = ntohl(lsa->header->adv_router);
1022         offset++;
1023         *offset = ntohl(lsa->header->id);
1024         offset++;
1025
1026         /* Return the current value of the variable */
1027         switch (v->magic & OSPFv3WWCOLUMN) {
1028         case OSPFv3WWLSDBSEQUENCE:
1029                 return SNMP_INTEGER(ntohl(lsa->header->seqnum));
1030         case OSPFv3WWLSDBAGE:
1031                 ospf6_lsa_age_current(lsa);
1032                 return SNMP_INTEGER(ntohs(lsa->header->age));
1033         case OSPFv3WWLSDBCHECKSUM:
1034                 return SNMP_INTEGER(ntohs(lsa->header->checksum));
1035         case OSPFv3WWLSDBADVERTISEMENT:
1036                 *var_len = ntohs(lsa->header->length);
1037                 return (uint8_t *)lsa->header;
1038         case OSPFv3WWLSDBTYPEKNOWN:
1039                 return SNMP_INTEGER(OSPF6_LSA_IS_KNOWN(lsa->header->type)
1040                                             ? SNMP_TRUE
1041                                             : SNMP_FALSE);
1042                 break;
1043         }
1044         return NULL;
1045 }
1046
1047 static uint8_t *ospfv3IfEntry(struct variable *v, oid *name, size_t *length,
1048                               int exact, size_t *var_len,
1049                               WriteMethod **write_method)
1050 {
1051         struct vrf *vrf;
1052         ifindex_t ifindex = 0;
1053         unsigned int instid = 0;
1054         struct ospf6_interface *oi = NULL;
1055         struct ospf6_lsa *lsa = NULL, *lsanext;
1056         struct interface *iif;
1057         struct listnode *i;
1058         struct list *ifslist;
1059         oid *offset;
1060         int offsetlen, len;
1061         uint32_t sum;
1062         struct ospf6 *ospf6;
1063
1064         ospf6 = ospf6_lookup_by_vrf_id(VRF_DEFAULT);
1065
1066         if (smux_header_table(v, name, length, exact, var_len, write_method)
1067             == MATCH_FAILED)
1068                 return NULL;
1069
1070         /* Check OSPFv3 instance. */
1071         if (ospf6 == NULL)
1072                 return NULL;
1073
1074         vrf = vrf_lookup_by_id(ospf6->vrf_id);
1075         /* Get variable length. */
1076         offset = name + v->namelen;
1077         offsetlen = *length - v->namelen;
1078
1079         if (exact && offsetlen != 2)
1080                 return NULL;
1081
1082         /* Parse if index */
1083         len = (offsetlen < 1 ? 0 : 1);
1084         if (len)
1085                 ifindex = *offset;
1086         offset += len;
1087         offsetlen -= len;
1088
1089         /* Parse instance ID */
1090         len = (offsetlen < 1 ? 0 : 1);
1091         if (len)
1092                 instid = *offset;
1093         // offset += len; // Add back in if we ever start using again
1094         // offsetlen -= len;
1095
1096         if (exact) {
1097                 oi = ospf6_interface_lookup_by_ifindex(ifindex, ospf6->vrf_id);
1098                 if (!oi || oi->instance_id != instid)
1099                         return NULL;
1100         } else {
1101                 /* We build a sorted list of interfaces */
1102                 ifslist = list_new();
1103                 ifslist->cmp = (int (*)(void *, void *))if_icmp_func;
1104                 FOR_ALL_INTERFACES (vrf, iif)
1105                         listnode_add_sort(ifslist, iif);
1106
1107                 for (ALL_LIST_ELEMENTS_RO(ifslist, i, iif)) {
1108                         if (!iif->ifindex)
1109                                 continue;
1110                         oi = ospf6_interface_lookup_by_ifindex(iif->ifindex,
1111                                                                iif->vrf_id);
1112                         if (!oi)
1113                                 continue;
1114                         if (iif->ifindex > ifindex
1115                             || (iif->ifindex == ifindex
1116                                 && (oi->instance_id > instid)))
1117                                 break;
1118                         oi = NULL;
1119                 }
1120
1121                 list_delete_all_node(ifslist);
1122                 list_delete(&ifslist);
1123         }
1124
1125         if (!oi)
1126                 return NULL;
1127
1128         /* Add Index (IfIndex, IfInstId) */
1129         *length = v->namelen + 2;
1130         offset = name + v->namelen;
1131         *offset = oi->interface->ifindex;
1132         offset++;
1133         *offset = oi->instance_id;
1134         offset++;
1135
1136         /* Return the current value of the variable */
1137         switch (v->magic) {
1138         case OSPFv3IFAREAID:
1139                 if (oi->area)
1140                         return SNMP_INTEGER(ntohl(oi->area->area_id));
1141                 break;
1142         case OSPFv3IFTYPE:
1143                 if (oi->type == OSPF_IFTYPE_BROADCAST)
1144                         return SNMP_INTEGER(1);
1145                 else if (oi->type == OSPF_IFTYPE_POINTOPOINT)
1146                         return SNMP_INTEGER(3);
1147                 else
1148                         break; /* Unknown, don't put anything */
1149         case OSPFv3IFADMINSTATUS:
1150                 if (oi->area)
1151                         return SNMP_INTEGER(OSPF_STATUS_ENABLED);
1152                 return SNMP_INTEGER(OSPF_STATUS_DISABLED);
1153         case OSPFv3IFRTRPRIORITY:
1154                 return SNMP_INTEGER(oi->priority);
1155         case OSPFv3IFTRANSITDELAY:
1156                 return SNMP_INTEGER(oi->transdelay);
1157         case OSPFv3IFRETRANSINTERVAL:
1158                 return SNMP_INTEGER(oi->rxmt_interval);
1159         case OSPFv3IFHELLOINTERVAL:
1160                 return SNMP_INTEGER(oi->hello_interval);
1161         case OSPFv3IFRTRDEADINTERVAL:
1162                 return SNMP_INTEGER(oi->dead_interval);
1163         case OSPFv3IFPOLLINTERVAL:
1164                 /* No support for NBMA */
1165                 break;
1166         case OSPFv3IFSTATE:
1167                 return SNMP_INTEGER(oi->state);
1168         case OSPFv3IFDESIGNATEDROUTER:
1169                 return SNMP_INTEGER(ntohl(oi->drouter));
1170         case OSPFv3IFBACKUPDESIGNATEDROUTER:
1171                 return SNMP_INTEGER(ntohl(oi->bdrouter));
1172         case OSPFv3IFEVENTS:
1173                 return SNMP_INTEGER(oi->state_change);
1174         case OSPFv3IFROWSTATUS:
1175                 return SNMP_INTEGER(1);
1176         case OSPFv3IFDEMAND:
1177                 return SNMP_INTEGER(SNMP_FALSE);
1178         case OSPFv3IFMETRICVALUE:
1179                 return SNMP_INTEGER(oi->cost);
1180         case OSPFv3IFLINKSCOPELSACOUNT:
1181                 return SNMP_INTEGER(oi->lsdb->count);
1182         case OSPFv3IFLINKLSACKSUMSUM:
1183                 sum = 0;
1184                 for (ALL_LSDB(oi->lsdb, lsa, lsanext))
1185                         sum += ntohs(lsa->header->checksum);
1186                 return SNMP_INTEGER(sum);
1187         case OSPFv3IFDEMANDNBRPROBE:
1188         case OSPFv3IFDEMANDNBRPROBERETRANSLIMIT:
1189         case OSPFv3IFDEMANDNBRPROBEINTERVAL:
1190         case OSPFv3IFTEDISABLED:
1191         case OSPFv3IFLINKLSASUPPRESSION:
1192                 /* Not implemented. Only works if all the last ones are not
1193                    implemented! */
1194                 return NULL;
1195         }
1196
1197         /* Try an internal getnext. Some columns are missing in this table. */
1198         if (!exact && (name[*length - 1] < MAX_SUBID))
1199                 return ospfv3IfEntry(v, name, length, exact, var_len,
1200                                      write_method);
1201         return NULL;
1202 }
1203
1204 static uint8_t *ospfv3NbrEntry(struct variable *v, oid *name, size_t *length,
1205                                int exact, size_t *var_len,
1206                                WriteMethod **write_method)
1207 {
1208         struct vrf *vrf;
1209         ifindex_t ifindex = 0;
1210         unsigned int instid, rtrid;
1211         struct ospf6_interface *oi = NULL;
1212         struct ospf6_neighbor *on = NULL;
1213         struct interface *iif;
1214         struct listnode *i, *j;
1215         struct list *ifslist;
1216         oid *offset;
1217         int offsetlen, len;
1218         struct ospf6 *ospf6;
1219
1220         ospf6 = ospf6_lookup_by_vrf_id(VRF_DEFAULT);
1221
1222         if (smux_header_table(v, name, length, exact, var_len, write_method)
1223             == MATCH_FAILED)
1224                 return NULL;
1225
1226         instid = rtrid = 0;
1227
1228         /* Check OSPFv3 instance. */
1229         if (ospf6 == NULL)
1230                 return NULL;
1231
1232         vrf = vrf_lookup_by_id(ospf6->vrf_id);
1233         /* Get variable length. */
1234         offset = name + v->namelen;
1235         offsetlen = *length - v->namelen;
1236
1237         if (exact && offsetlen != 3)
1238                 return NULL;
1239
1240         /* Parse if index */
1241         len = (offsetlen < 1 ? 0 : 1);
1242         if (len)
1243                 ifindex = *offset;
1244         offset += len;
1245         offsetlen -= len;
1246
1247         /* Parse instance ID */
1248         len = (offsetlen < 1 ? 0 : 1);
1249         if (len)
1250                 instid = *offset;
1251         offset += len;
1252         offsetlen -= len;
1253
1254         /* Parse router ID */
1255         len = (offsetlen < 1 ? 0 : 1);
1256         if (len)
1257                 rtrid = htonl(*offset);
1258         // offset += len; // Add back in if we ever start looking at data
1259         // offsetlen -= len;
1260
1261         if (exact) {
1262                 oi = ospf6_interface_lookup_by_ifindex(ifindex, ospf6->vrf_id);
1263                 if (!oi || oi->instance_id != instid)
1264                         return NULL;
1265                 on = ospf6_neighbor_lookup(rtrid, oi);
1266         } else {
1267                 /* We build a sorted list of interfaces */
1268                 ifslist = list_new();
1269                 ifslist->cmp = (int (*)(void *, void *))if_icmp_func;
1270                 FOR_ALL_INTERFACES (vrf, iif)
1271                         listnode_add_sort(ifslist, iif);
1272
1273                 for (ALL_LIST_ELEMENTS_RO(ifslist, i, iif)) {
1274                         if (!iif->ifindex)
1275                                 continue;
1276                         oi = ospf6_interface_lookup_by_ifindex(iif->ifindex,
1277                                                                iif->vrf_id);
1278                         if (!oi)
1279                                 continue;
1280                         for (ALL_LIST_ELEMENTS_RO(oi->neighbor_list, j, on)) {
1281                                 if (iif->ifindex > ifindex
1282                                     || (iif->ifindex == ifindex
1283                                         && (oi->instance_id > instid
1284                                             || (oi->instance_id == instid
1285                                                 && ntohl(on->router_id)
1286                                                            > ntohl(rtrid)))))
1287                                         break;
1288                         }
1289                         if (on)
1290                                 break;
1291                         oi = NULL;
1292                         on = NULL;
1293                 }
1294
1295                 list_delete_all_node(ifslist);
1296                 list_delete(&ifslist);
1297         }
1298
1299         if (!oi || !on)
1300                 return NULL;
1301
1302         /* Add Index (IfIndex, IfInstId, RtrId) */
1303         *length = v->namelen + 3;
1304         offset = name + v->namelen;
1305         *offset = oi->interface->ifindex;
1306         offset++;
1307         *offset = oi->instance_id;
1308         offset++;
1309         *offset = ntohl(on->router_id);
1310         offset++;
1311
1312         /* Return the current value of the variable */
1313         switch (v->magic) {
1314         case OSPFv3NBRADDRESSTYPE:
1315                 return SNMP_INTEGER(2); /* IPv6 only */
1316         case OSPFv3NBRADDRESS:
1317                 *var_len = sizeof(struct in6_addr);
1318                 return (uint8_t *)&on->linklocal_addr;
1319         case OSPFv3NBROPTIONS:
1320                 return SNMP_INTEGER(on->options[2]);
1321         case OSPFv3NBRPRIORITY:
1322                 return SNMP_INTEGER(on->priority);
1323         case OSPFv3NBRSTATE:
1324                 return SNMP_INTEGER(on->state);
1325         case OSPFv3NBREVENTS:
1326                 return SNMP_INTEGER(on->state_change);
1327         case OSPFv3NBRLSRETRANSQLEN:
1328                 return SNMP_INTEGER(on->retrans_list->count);
1329         case OSPFv3NBRHELLOSUPPRESSED:
1330                 return SNMP_INTEGER(SNMP_FALSE);
1331         case OSPFv3NBRIFID:
1332                 return SNMP_INTEGER(on->ifindex);
1333         case OSPFv3NBRRESTARTHELPERSTATUS:
1334         case OSPFv3NBRRESTARTHELPERAGE:
1335         case OSPFv3NBRRESTARTHELPEREXITREASON:
1336                 /* Not implemented. Only works if all the last ones are not
1337                    implemented! */
1338                 return NULL;
1339         }
1340
1341         return NULL;
1342 }
1343
1344 /* OSPF Traps. */
1345 #define NBRSTATECHANGE      2
1346 #define IFSTATECHANGE      10
1347
1348 static struct trap_object ospf6NbrTrapList[] = {
1349         {-3, {1, 1, OSPFv3ROUTERID}},
1350         {4, {1, 9, 1, OSPFv3NBRADDRESSTYPE}},
1351         {4, {1, 9, 1, OSPFv3NBRADDRESS}},
1352         {4, {1, 9, 1, OSPFv3NBRSTATE}}};
1353
1354 static struct trap_object ospf6IfTrapList[] = {
1355         {-3, {1, 1, OSPFv3ROUTERID}},
1356         {4, {1, 7, 1, OSPFv3IFSTATE}},
1357         {4, {1, 7, 1, OSPFv3IFADMINSTATUS}},
1358         {4, {1, 7, 1, OSPFv3IFAREAID}}};
1359
1360 static int ospf6TrapNbrStateChange(struct ospf6_neighbor *on, int next_state,
1361                                    int prev_state)
1362 {
1363         oid index[3];
1364
1365         /* Terminal state or regression */
1366         if ((next_state != OSPF6_NEIGHBOR_FULL)
1367             && (next_state != OSPF6_NEIGHBOR_TWOWAY)
1368             && (next_state >= prev_state))
1369                 return 0;
1370
1371         index[0] = on->ospf6_if->interface->ifindex;
1372         index[1] = on->ospf6_if->instance_id;
1373         index[2] = ntohl(on->router_id);
1374
1375         smux_trap(ospfv3_variables, array_size(ospfv3_variables),
1376                   ospfv3_trap_oid, array_size(ospfv3_trap_oid), ospfv3_oid,
1377                   sizeof(ospfv3_oid) / sizeof(oid), index, 3, ospf6NbrTrapList,
1378                   array_size(ospf6NbrTrapList), NBRSTATECHANGE);
1379         return 0;
1380 }
1381
1382 static int ospf6TrapIfStateChange(struct ospf6_interface *oi, int next_state,
1383                                   int prev_state)
1384 {
1385         oid index[2];
1386
1387         /* Terminal state or regression */
1388         if ((next_state != OSPF6_INTERFACE_POINTTOPOINT)
1389             && (next_state != OSPF6_INTERFACE_DROTHER)
1390             && (next_state != OSPF6_INTERFACE_BDR)
1391             && (next_state != OSPF6_INTERFACE_DR) && (next_state >= prev_state))
1392                 return 0;
1393
1394         index[0] = oi->interface->ifindex;
1395         index[1] = oi->instance_id;
1396
1397         smux_trap(ospfv3_variables, array_size(ospfv3_variables),
1398                   ospfv3_trap_oid, array_size(ospfv3_trap_oid), ospfv3_oid,
1399                   sizeof(ospfv3_oid) / sizeof(oid), index, 2, ospf6IfTrapList,
1400                   array_size(ospf6IfTrapList), IFSTATECHANGE);
1401         return 0;
1402 }
1403
1404 /* Register OSPFv3-MIB. */
1405 static int ospf6_snmp_init(struct thread_master *master)
1406 {
1407         smux_init(master);
1408         REGISTER_MIB("OSPFv3MIB", ospfv3_variables, variable, ospfv3_oid);
1409         return 0;
1410 }
1411
1412 static int ospf6_snmp_module_init(void)
1413 {
1414         hook_register(ospf6_interface_change, ospf6TrapIfStateChange);
1415         hook_register(ospf6_neighbor_change, ospf6TrapNbrStateChange);
1416         hook_register(frr_late_init, ospf6_snmp_init);
1417         return 0;
1418 }
1419
1420 FRR_MODULE_SETUP(.name = "ospf6d_snmp", .version = FRR_VERSION,
1421                  .description = "ospf6d AgentX SNMP module",
1422                  .init = ospf6_snmp_module_init,
1423 );