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
  17  * along with GNU Zebra; see the file COPYING.  If not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <zebra.h>
  23
  24 #ifdef HAVE_SNMP
  25
  26 #include <net-snmp/net-snmp-config.h>
  27 #include <net-snmp/net-snmp-includes.h>
  28
  29 #include "log.h"
  30 #include "vty.h"
  31 #include "linklist.h"
  32 #include "vector.h"
  33 #include "vrf.h"
  34 #include "smux.h"
  35
  36 #include "ospf6_proto.h"
  37 #include "ospf6_lsa.h"
  38 #include "ospf6_lsdb.h"
  39 #include "ospf6_route.h"
  40 #include "ospf6_top.h"
  41 #include "ospf6_area.h"
  42 #include "ospf6_interface.h"
  43 #include "ospf6_message.h"
  44 #include "ospf6_neighbor.h"
  45 #include "ospf6_abr.h"
  46 #include "ospf6_asbr.h"
  47 #include "ospf6d.h"
  48 #include "ospf6_snmp.h"
  49
  50 /* OSPFv3-MIB */
  51 #define OSPFv3MIB 1,3,6,1,2,1,191
  52
  53 /* OSPFv3 MIB General Group values. */
  54 #define OSPFv3ROUTERID                   1
  55 #define OSPFv3ADMINSTAT                  2
  56 #define OSPFv3VERSIONNUMBER              3
  57 #define OSPFv3AREABDRRTRSTATUS           4
  58 #define OSPFv3ASBDRRTRSTATUS             5
  59 #define OSPFv3ASSCOPELSACOUNT            6
  60 #define OSPFv3ASSCOPELSACHECKSUMSUM      7
  61 #define OSPFv3ORIGINATENEWLSAS           8
  62 #define OSPFv3RXNEWLSAS                  9
  63 #define OSPFv3EXTLSACOUNT               10
  64 #define OSPFv3EXTAREALSDBLIMIT          11
  65 #define OSPFv3EXITOVERFLOWINTERVAL      12
  66 #define OSPFv3DEMANDEXTENSIONS          13
  67 #define OSPFv3REFERENCEBANDWIDTH        14
  68 #define OSPFv3RESTARTSUPPORT            15
  69 #define OSPFv3RESTARTINTERVAL           16
  70 #define OSPFv3RESTARTSTRICTLSACHECKING  17
  71 #define OSPFv3RESTARTSTATUS             18
  72 #define OSPFv3RESTARTAGE                19
  73 #define OSPFv3RESTARTEXITREASON         20
  74 #define OSPFv3NOTIFICATIONENABLE        21
  75 #define OSPFv3STUBROUTERSUPPORT         22
  76 #define OSPFv3STUBROUTERADVERTISEMENT   23
  77 #define OSPFv3DISCONTINUITYTIME         24
  78 #define OSPFv3RESTARTTIME               25
  79
  80 /* OSPFv3 MIB Area Table values: ospfv3AreaTable */
  81 #define OSPFv3IMPORTASEXTERN             2
  82 #define OSPFv3AREASPFRUNS                3
  83 #define OSPFv3AREABDRRTRCOUNT            4
  84 #define OSPFv3AREAASBDRRTRCOUNT          5
  85 #define OSPFv3AREASCOPELSACOUNT          6
  86 #define OSPFv3AREASCOPELSACKSUMSUM       7
  87 #define OSPFv3AREASUMMARY                8
  88 #define OSPFv3AREAROWSTATUS              9
  89 #define OSPFv3AREASTUBMETRIC            10
  90 #define OSPFv3AREANSSATRANSLATORROLE    11
  91 #define OSPFv3AREANSSATRANSLATORSTATE   12
  92 #define OSPFv3AREANSSATRANSLATORSTABINTERVAL    13
  93 #define OSPFv3AREANSSATRANSLATOREVENTS  14
  94 #define OSPFv3AREASTUBMETRICTYPE        15
  95 #define OSPFv3AREATEENABLED             16
  96
  97 /* OSPFv3 MIB * Lsdb Table values: ospfv3*LsdbTable */
  98 #define OSPFv3WWLSDBSEQUENCE             1
  99 #define OSPFv3WWLSDBAGE                  2
 100 #define OSPFv3WWLSDBCHECKSUM             3
 101 #define OSPFv3WWLSDBADVERTISEMENT        4
 102 #define OSPFv3WWLSDBTYPEKNOWN            5
 103
 104 /* Three first bits are to identify column */
 105 #define OSPFv3WWCOLUMN 0x7
 106 /* Then we use other bits to identify table */
 107 #define OSPFv3WWASTABLE   (1 << 3)
 108 #define OSPFv3WWAREATABLE (1 << 4)
 109 #define OSPFv3WWLINKTABLE (1 << 5)
 110 #define OSPFv3WWVIRTLINKTABLE (1 << 6)
 111
 112 /* OSPFv3 MIB Host Table values: ospfv3HostTable */
 113 #define OSPFv3HOSTMETRIC                 3
 114 #define OSPFv3HOSTROWSTATUS              4
 115 #define OSPFv3HOSTAREAID                 5
 116
 117 /* OSPFv3 MIB Interface Table values: ospfv3IfTable */
 118 #define OSPFv3IFAREAID                   3
 119 #define OSPFv3IFTYPE                     4
 120 #define OSPFv3IFADMINSTATUS              5
 121 #define OSPFv3IFRTRPRIORITY              6
 122 #define OSPFv3IFTRANSITDELAY             7
 123 #define OSPFv3IFRETRANSINTERVAL          8
 124 #define OSPFv3IFHELLOINTERVAL            9
 125 #define OSPFv3IFRTRDEADINTERVAL         10
 126 #define OSPFv3IFPOLLINTERVAL            11
 127 #define OSPFv3IFSTATE                   12
 128 #define OSPFv3IFDESIGNATEDROUTER        13
 129 #define OSPFv3IFBACKUPDESIGNATEDROUTER  14
 130 #define OSPFv3IFEVENTS                  15
 131 #define OSPFv3IFROWSTATUS               16
 132 #define OSPFv3IFDEMAND                  17
 133 #define OSPFv3IFMETRICVALUE             18
 134 #define OSPFv3IFLINKSCOPELSACOUNT       19
 135 #define OSPFv3IFLINKLSACKSUMSUM         20
 136 #define OSPFv3IFDEMANDNBRPROBE          21
 137 #define OSPFv3IFDEMANDNBRPROBERETRANSLIMIT 22
 138 #define OSPFv3IFDEMANDNBRPROBEINTERVAL  23
 139 #define OSPFv3IFTEDISABLED              24
 140 #define OSPFv3IFLINKLSASUPPRESSION      25
 141
 142 /* OSPFv3 MIB Virtual Interface Table values: ospfv3VirtIfTable */
 143 #define OSPFv3VIRTIFINDEX           3
 144 #define OSPFv3VIRTIFINSTID          4
 145 #define OSPFv3VIRTIFTRANSITDELAY    5
 146 #define OSPFv3VIRTIFRETRANSINTERVAL 6
 147 #define OSPFv3VIRTIFHELLOINTERVAL   7
 148 #define OSPFv3VIRTIFRTRDEADINTERVAL 8
 149 #define OSPFv3VIRTIFSTATE           9
 150 #define OSPFv3VIRTIFEVENTS         10
 151 #define OSPFv3VIRTIFROWSTATUS      11
 152 #define OSPFv3VIRTIFLINKSCOPELSACOUNT 12
 153 #define OSPFv3VIRTIFLINKLSACKSUMSUM   13
 154
 155 /* OSPFv3 MIB Neighbors Table values: ospfv3NbrTable */
 156 #define OSPFv3NBRADDRESSTYPE      4
 157 #define OSPFv3NBRADDRESS          5
 158 #define OSPFv3NBROPTIONS          6
 159 #define OSPFv3NBRPRIORITY         7
 160 #define OSPFv3NBRSTATE            8
 161 #define OSPFv3NBREVENTS           9
 162 #define OSPFv3NBRLSRETRANSQLEN   10
 163 #define OSPFv3NBRHELLOSUPPRESSED 11
 164 #define OSPFv3NBRIFID            12
 165 #define OSPFv3NBRRESTARTHELPERSTATUS     13
 166 #define OSPFv3NBRRESTARTHELPERAGE        14
 167 #define OSPFv3NBRRESTARTHELPEREXITREASON 15
 168
 169 /* OSPFv3 MIB Configured Neighbors Table values: ospfv3CfgNbrTable */
 170 #define OSPFv3CFGNBRPRIORITY  5
 171 #define OSPFv3CFGNBRROWSTATUS 6
 172
 173 /* OSPFv3 MIB Virtual Neighbors Table values: ospfv3VirtNbrTable */
 174 #define OSPFv3VIRTNBRIFINDEX          3
 175 #define OSPFv3VIRTNBRIFINSTID         4
 176 #define OSPFv3VIRTNBRADDRESSTYPE      5
 177 #define OSPFv3VIRTNBRADDRESS          6
 178 #define OSPFv3VIRTNBROPTIONS          7
 179 #define OSPFv3VIRTNBRSTATE            8
 180 #define OSPFv3VIRTNBREVENTS           9
 181 #define OSPFv3VIRTNBRLSRETRANSQLEN   10
 182 #define OSPFv3VIRTNBRHELLOSUPPRESSED 11
 183 #define OSPFv3VIRTNBRIFID            12
 184 #define OSPFv3VIRTNBRRESTARTHELPERSTATUS     13
 185 #define OSPFv3VIRTNBRRESTARTHELPERAGE        14
 186 #define OSPFv3VIRTNBRRESTARTHELPEREXITREASON 15
 187
 188 /* OSPFv3 MIB Area Aggregate Table values: ospfv3AreaAggregateTable */
 189 #define OSPFv3AREAAGGREGATEROWSTATUS  6
 190 #define OSPFv3AREAAGGREGATEEFFECT     7
 191 #define OSPFv3AREAAGGREGATEROUTETAG   8
 192
 193 /* SYNTAX Status from OSPF-MIB. */
 194 #define OSPF_STATUS_ENABLED  1
 195 #define OSPF_STATUS_DISABLED 2
 196
 197 /* SNMP value hack. */
 198 #define COUNTER     ASN_COUNTER
 199 #define INTEGER     ASN_INTEGER
 200 #define GAUGE       ASN_GAUGE
 201 #define UNSIGNED    ASN_UNSIGNED
 202 #define TIMETICKS   ASN_TIMETICKS
 203 #define IPADDRESS   ASN_IPADDRESS
 204 #define STRING      ASN_OCTET_STR
 205
 206 /* For return values e.g. SNMP_INTEGER macro */
 207 SNMP_LOCAL_VARIABLES
 208
 209 /* OSPFv3-MIB instances. */
 210 static oid ospfv3_oid [] = { OSPFv3MIB };
 211 static oid ospfv3_trap_oid [] = { OSPFv3MIB, 0 };
 212
 213 /* Hook functions. */
 214 static u_char *ospfv3GeneralGroup (struct variable *, oid *, size_t *,
 215                                    int, size_t *, WriteMethod **);
 216 static u_char *ospfv3AreaEntry (struct variable *, oid *, size_t *,
 217                                 int, size_t *, WriteMethod **);
 218 static u_char *ospfv3WwLsdbEntry (struct variable *, oid *, size_t *,
 219                                   int, size_t *, WriteMethod **);
 220 static u_char *ospfv3NbrEntry (struct variable *, oid *, size_t *,
 221                                int, size_t *, WriteMethod **);
 222 static u_char *ospfv3IfEntry (struct variable *, oid *, size_t *,
 223                               int, size_t *, WriteMethod **);
 224
 225 static struct variable ospfv3_variables[] =
 226 {
 227   /* OSPF general variables */
 228   {OSPFv3ROUTERID,             UNSIGNED,   RWRITE, ospfv3GeneralGroup,
 229    3, {1, 1, 1}},
 230   {OSPFv3ADMINSTAT,             INTEGER,   RWRITE, ospfv3GeneralGroup,
 231    3, {1, 1, 2}},
 232   {OSPFv3VERSIONNUMBER,         INTEGER,   RONLY,  ospfv3GeneralGroup,
 233    3, {1, 1, 3}},
 234   {OSPFv3AREABDRRTRSTATUS,      INTEGER,   RONLY,  ospfv3GeneralGroup,
 235    3, {1, 1, 4}},
 236   {OSPFv3ASBDRRTRSTATUS,        INTEGER,   RWRITE, ospfv3GeneralGroup,
 237    3, {1, 1, 5}},
 238   {OSPFv3ASSCOPELSACOUNT,       GAUGE,     RONLY,  ospfv3GeneralGroup,
 239    3, {1, 1, 6}},
 240   {OSPFv3ASSCOPELSACHECKSUMSUM,UNSIGNED,   RONLY,  ospfv3GeneralGroup,
 241    3, {1, 1, 7}},
 242   {OSPFv3ORIGINATENEWLSAS,      COUNTER,   RONLY,  ospfv3GeneralGroup,
 243    3, {1, 1, 8}},
 244   {OSPFv3RXNEWLSAS,             COUNTER,   RONLY,  ospfv3GeneralGroup,
 245    3, {1, 1, 9}},
 246   {OSPFv3EXTLSACOUNT,           GAUGE,     RONLY,  ospfv3GeneralGroup,
 247    3, {1, 1, 10}},
 248   {OSPFv3EXTAREALSDBLIMIT,      INTEGER,   RWRITE, ospfv3GeneralGroup,
 249    3, {1, 1, 11}},
 250   {OSPFv3EXITOVERFLOWINTERVAL, UNSIGNED,   RWRITE, ospfv3GeneralGroup,
 251    3, {1, 1, 12}},
 252   {OSPFv3DEMANDEXTENSIONS,      INTEGER,   RWRITE, ospfv3GeneralGroup,
 253    3, {1, 1, 13}},
 254   {OSPFv3REFERENCEBANDWIDTH,   UNSIGNED, RWRITE, ospfv3GeneralGroup,
 255    3, {1, 1, 14}},
 256   {OSPFv3RESTARTSUPPORT,        INTEGER, RWRITE, ospfv3GeneralGroup,
 257    3, {1, 1, 15}},
 258   {OSPFv3RESTARTINTERVAL,      UNSIGNED, RWRITE, ospfv3GeneralGroup,
 259    3, {1, 1, 16}},
 260   {OSPFv3RESTARTSTRICTLSACHECKING, INTEGER, RWRITE, ospfv3GeneralGroup,
 261    3, {1, 1, 17}},
 262   {OSPFv3RESTARTSTATUS,         INTEGER, RONLY,  ospfv3GeneralGroup,
 263    3, {1, 1, 18}},
 264   {OSPFv3RESTARTAGE,           UNSIGNED, RONLY,  ospfv3GeneralGroup,
 265    3, {1, 1, 19}},
 266   {OSPFv3RESTARTEXITREASON,     INTEGER, RONLY,  ospfv3GeneralGroup,
 267    3, {1, 1, 20}},
 268   {OSPFv3NOTIFICATIONENABLE,    INTEGER, RWRITE, ospfv3GeneralGroup,
 269    3, {1, 1, 21}},
 270   {OSPFv3STUBROUTERSUPPORT,     INTEGER, RONLY,  ospfv3GeneralGroup,
 271    3, {1, 1, 22}},
 272   {OSPFv3STUBROUTERADVERTISEMENT, INTEGER, RWRITE, ospfv3GeneralGroup,
 273    3, {1, 1, 23}},
 274   {OSPFv3DISCONTINUITYTIME,     TIMETICKS, RONLY,  ospfv3GeneralGroup,
 275    3, {1, 1, 24}},
 276   {OSPFv3RESTARTTIME,           TIMETICKS, RONLY,  ospfv3GeneralGroup,
 277    3, {1, 1, 25}},
 278
 279   /* OSPFv3 Area Data Structure */
 280   {OSPFv3IMPORTASEXTERN,        INTEGER,   RWRITE, ospfv3AreaEntry,
 281    4, {1, 2, 1, 2}},
 282   {OSPFv3AREASPFRUNS,           COUNTER,   RONLY,  ospfv3AreaEntry,
 283    4, {1, 2, 1, 3}},
 284   {OSPFv3AREABDRRTRCOUNT,       GAUGE,     RONLY,  ospfv3AreaEntry,
 285    4, {1, 2, 1, 4}},
 286   {OSPFv3AREAASBDRRTRCOUNT,     GAUGE,     RONLY,  ospfv3AreaEntry,
 287    4, {1, 2, 1, 5}},
 288   {OSPFv3AREASCOPELSACOUNT,     GAUGE,     RONLY,  ospfv3AreaEntry,
 289    4, {1, 2, 1, 6}},
 290   {OSPFv3AREASCOPELSACKSUMSUM, UNSIGNED,   RONLY,  ospfv3AreaEntry,
 291    4, {1, 2, 1, 7}},
 292   {OSPFv3AREASUMMARY,           INTEGER,   RWRITE, ospfv3AreaEntry,
 293    4, {1, 2, 1, 8}},
 294   {OSPFv3AREAROWSTATUS,         INTEGER,   RWRITE, ospfv3AreaEntry,
 295    4, {1, 2, 1, 9}},
 296   {OSPFv3AREASTUBMETRIC,        INTEGER,   RWRITE, ospfv3AreaEntry,
 297    4, {1, 2, 1, 10}},
 298   {OSPFv3AREANSSATRANSLATORROLE, INTEGER,  RWRITE, ospfv3AreaEntry,
 299    4, {1, 2, 1, 11}},
 300   {OSPFv3AREANSSATRANSLATORSTATE, INTEGER, RONLY,  ospfv3AreaEntry,
 301    4, {1, 2, 1, 12}},
 302   {OSPFv3AREANSSATRANSLATORSTABINTERVAL, UNSIGNED, RWRITE, ospfv3AreaEntry,
 303    4, {1, 2, 1, 13}},
 304   {OSPFv3AREANSSATRANSLATOREVENTS, COUNTER, RONLY, ospfv3AreaEntry,
 305    4, {1, 2, 1, 14}},
 306   {OSPFv3AREASTUBMETRICTYPE,    INTEGER, RWRITE, ospfv3AreaEntry,
 307    4, {1, 2, 1, 15}},
 308   {OSPFv3AREATEENABLED,         INTEGER, RWRITE, ospfv3AreaEntry,
 309    4, {1, 2, 1, 16}},
 310
 311   /* OSPFv3 AS LSDB */
 312   {OSPFv3WWLSDBSEQUENCE | OSPFv3WWASTABLE,      INTEGER,   RONLY,  ospfv3WwLsdbEntry,
 313    4, {1, 3, 1, 4}},
 314   {OSPFv3WWLSDBAGE | OSPFv3WWASTABLE,           UNSIGNED,  RONLY,  ospfv3WwLsdbEntry,
 315    4, {1, 3, 1, 5}},
 316   {OSPFv3WWLSDBCHECKSUM | OSPFv3WWASTABLE,      INTEGER,   RONLY,  ospfv3WwLsdbEntry,
 317    4, {1, 3, 1, 6}},
 318   {OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWASTABLE, STRING,    RONLY,  ospfv3WwLsdbEntry,
 319    4, {1, 3, 1, 7}},
 320   {OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWASTABLE,     INTEGER,   RONLY,  ospfv3WwLsdbEntry,
 321    4, {1, 3, 1, 8}},
 322
 323   /* OSPFv3 Area LSDB */
 324   {OSPFv3WWLSDBSEQUENCE | OSPFv3WWAREATABLE,      INTEGER,   RONLY,  ospfv3WwLsdbEntry,
 325    4, {1, 4, 1, 5}},
 326   {OSPFv3WWLSDBAGE | OSPFv3WWAREATABLE,           UNSIGNED,  RONLY,  ospfv3WwLsdbEntry,
 327    4, {1, 4, 1, 6}},
 328   {OSPFv3WWLSDBCHECKSUM | OSPFv3WWAREATABLE,      INTEGER,   RONLY,  ospfv3WwLsdbEntry,
 329    4, {1, 4, 1, 7}},
 330   {OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWAREATABLE, STRING,    RONLY,  ospfv3WwLsdbEntry,
 331    4, {1, 4, 1, 8}},
 332   {OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWAREATABLE,     INTEGER,   RONLY,  ospfv3WwLsdbEntry,
 333    4, {1, 4, 1, 9}},
 334
 335   /* OSPFv3 Link LSDB */
 336   {OSPFv3WWLSDBSEQUENCE | OSPFv3WWLINKTABLE,      INTEGER,   RONLY,  ospfv3WwLsdbEntry,
 337    4, {1, 5, 1, 6}},
 338   {OSPFv3WWLSDBAGE | OSPFv3WWLINKTABLE,           UNSIGNED,  RONLY,  ospfv3WwLsdbEntry,
 339    4, {1, 5, 1, 7}},
 340   {OSPFv3WWLSDBCHECKSUM | OSPFv3WWLINKTABLE,      INTEGER,   RONLY,  ospfv3WwLsdbEntry,
 341    4, {1, 5, 1, 8}},
 342   {OSPFv3WWLSDBADVERTISEMENT | OSPFv3WWLINKTABLE, STRING,    RONLY,  ospfv3WwLsdbEntry,
 343    4, {1, 5, 1, 9}},
 344   {OSPFv3WWLSDBTYPEKNOWN | OSPFv3WWLINKTABLE,     INTEGER,   RONLY,  ospfv3WwLsdbEntry,
 345    4, {1, 5, 1, 10}},
 346
 347   /* OSPFv3 interfaces */
 348   {OSPFv3IFAREAID,             UNSIGNED, RONLY, ospfv3IfEntry,
 349    4, {1, 7, 1, 3}},
 350   {OSPFv3IFTYPE,               INTEGER,  RONLY, ospfv3IfEntry,
 351    4, {1, 7, 1, 4}},
 352   {OSPFv3IFADMINSTATUS,        INTEGER,  RONLY, ospfv3IfEntry,
 353    4, {1, 7, 1, 5}},
 354   {OSPFv3IFRTRPRIORITY,        INTEGER,  RONLY, ospfv3IfEntry,
 355    4, {1, 7, 1, 6}},
 356   {OSPFv3IFTRANSITDELAY,       UNSIGNED, RONLY, ospfv3IfEntry,
 357    4, {1, 7, 1, 7}},
 358   {OSPFv3IFRETRANSINTERVAL,    UNSIGNED, RONLY, ospfv3IfEntry,
 359    4, {1, 7, 1, 8}},
 360   {OSPFv3IFHELLOINTERVAL,      INTEGER,  RONLY, ospfv3IfEntry,
 361    4, {1, 7, 1, 9}},
 362   {OSPFv3IFRTRDEADINTERVAL,    UNSIGNED, RONLY, ospfv3IfEntry,
 363    4, {1, 7, 1, 10}},
 364   {OSPFv3IFPOLLINTERVAL,       UNSIGNED, RONLY, ospfv3IfEntry,
 365    4, {1, 7, 1, 11}},
 366   {OSPFv3IFSTATE,              INTEGER,  RONLY, ospfv3IfEntry,
 367    4, {1, 7, 1, 12}},
 368   {OSPFv3IFDESIGNATEDROUTER,   UNSIGNED, RONLY, ospfv3IfEntry,
 369    4, {1, 7, 1, 13}},
 370   {OSPFv3IFBACKUPDESIGNATEDROUTER, UNSIGNED, RONLY, ospfv3IfEntry,
 371    4, {1, 7, 1, 14}},
 372   {OSPFv3IFEVENTS,             COUNTER,  RONLY, ospfv3IfEntry,
 373    4, {1, 7, 1, 15}},
 374   {OSPFv3IFROWSTATUS,          INTEGER,  RONLY, ospfv3IfEntry,
 375    4, {1, 7, 1, 16}},
 376   {OSPFv3IFDEMAND,             INTEGER,  RONLY, ospfv3IfEntry,
 377    4, {1, 7, 1, 17}},
 378   {OSPFv3IFMETRICVALUE,        INTEGER,  RONLY, ospfv3IfEntry,
 379    4, {1, 7, 1, 18}},
 380   {OSPFv3IFLINKSCOPELSACOUNT,  GAUGE,    RONLY, ospfv3IfEntry,
 381    4, {1, 7, 1, 19}},
 382   {OSPFv3IFLINKLSACKSUMSUM,    UNSIGNED, RONLY, ospfv3IfEntry,
 383    4, {1, 7, 1, 20}},
 384   {OSPFv3IFDEMANDNBRPROBE,     INTEGER,  RONLY, ospfv3IfEntry,
 385    4, {1, 7, 1, 21}},
 386   {OSPFv3IFDEMANDNBRPROBERETRANSLIMIT, UNSIGNED, RONLY, ospfv3IfEntry,
 387    4, {1, 7, 1, 22}},
 388   {OSPFv3IFDEMANDNBRPROBEINTERVAL, UNSIGNED, RONLY, ospfv3IfEntry,
 389    4, {1, 7, 1, 23}},
 390   {OSPFv3IFTEDISABLED,         INTEGER,  RONLY, ospfv3IfEntry,
 391    4, {1, 7, 1, 24}},
 392   {OSPFv3IFLINKLSASUPPRESSION, INTEGER,  RONLY, ospfv3IfEntry,
 393    4, {1, 7, 1, 25}},
 394
 395   /* OSPFv3 neighbors */
 396   {OSPFv3NBRADDRESSTYPE,        INTEGER,   RONLY,  ospfv3NbrEntry,
 397    4, {1, 9, 1, 4}},
 398   {OSPFv3NBRADDRESS,            STRING,    RONLY,  ospfv3NbrEntry,
 399    4, {1, 9, 1, 5}},
 400   {OSPFv3NBROPTIONS,            INTEGER,   RONLY,  ospfv3NbrEntry,
 401    4, {1, 9, 1, 6}},
 402   {OSPFv3NBRPRIORITY,           INTEGER,   RONLY,  ospfv3NbrEntry,
 403    4, {1, 9, 1, 7}},
 404   {OSPFv3NBRSTATE,              INTEGER,   RONLY,  ospfv3NbrEntry,
 405    4, {1, 9, 1, 8}},
 406   {OSPFv3NBREVENTS,             COUNTER,   RONLY,  ospfv3NbrEntry,
 407    4, {1, 9, 1, 9}},
 408   {OSPFv3NBRLSRETRANSQLEN,        GAUGE,   RONLY,  ospfv3NbrEntry,
 409    4, {1, 9, 1, 10}},
 410   {OSPFv3NBRHELLOSUPPRESSED,    INTEGER,   RONLY,  ospfv3NbrEntry,
 411    4, {1, 9, 1, 11}},
 412   {OSPFv3NBRIFID,               INTEGER,   RONLY,  ospfv3NbrEntry,
 413    4, {1, 9, 1, 12}},
 414   {OSPFv3NBRRESTARTHELPERSTATUS, INTEGER,  RONLY,  ospfv3NbrEntry,
 415    4, {1, 9, 1, 13}},
 416   {OSPFv3NBRRESTARTHELPERAGE,  UNSIGNED,   RONLY,  ospfv3NbrEntry,
 417    4, {1, 9, 1, 14}},
 418   {OSPFv3NBRRESTARTHELPEREXITREASON, INTEGER, RONLY, ospfv3NbrEntry,
 419    4, {1, 9, 1, 15}},
 420 };
 421
 422 static u_char *
 423 ospfv3GeneralGroup (struct variable *v, oid *name, size_t *length,
 424                     int exact, size_t *var_len, WriteMethod **write_method)
 425 {
 426   u_int16_t sum;
 427   u_int32_t count;
 428   struct ospf6_lsa *lsa = NULL;
 429
 430   /* Check whether the instance identifier is valid */
 431   if (smux_header_generic (v, name, length, exact, var_len, write_method)
 432       == MATCH_FAILED)
 433     return NULL;
 434
 435   /* Return the current value of the variable */
 436   switch (v->magic)
 437     {
 438     case OSPFv3ROUTERID:
 439       /* Router-ID of this OSPF instance. */
 440       if (ospf6)
 441         return SNMP_INTEGER (ntohl (ospf6->router_id));
 442       return SNMP_INTEGER (0);
 443     case OSPFv3ADMINSTAT:
 444       if (ospf6)
 445         return SNMP_INTEGER (CHECK_FLAG (ospf6->flag, OSPF6_DISABLED)?
 446                              OSPF_STATUS_DISABLED:OSPF_STATUS_ENABLED);
 447       return SNMP_INTEGER (OSPF_STATUS_DISABLED);
 448     case OSPFv3VERSIONNUMBER:
 449       return SNMP_INTEGER (3);
 450     case OSPFv3AREABDRRTRSTATUS:
 451       if (ospf6)
 452         return SNMP_INTEGER (ospf6_is_router_abr (ospf6)?SNMP_TRUE:SNMP_FALSE);
 453       return SNMP_INTEGER (SNMP_FALSE);
 454     case OSPFv3ASBDRRTRSTATUS:
 455       if (ospf6)
 456         return SNMP_INTEGER (ospf6_asbr_is_asbr (ospf6)?SNMP_TRUE:SNMP_FALSE);
 457       return SNMP_INTEGER (SNMP_FALSE);
 458     case OSPFv3ASSCOPELSACOUNT:
 459       if (ospf6)
 460         return SNMP_INTEGER (ospf6->lsdb->count);
 461       return SNMP_INTEGER (0);
 462     case OSPFv3ASSCOPELSACHECKSUMSUM:
 463       if (ospf6)
 464         {
 465           for (sum = 0, lsa = ospf6_lsdb_head (ospf6->lsdb);
 466                lsa;
 467                lsa = ospf6_lsdb_next (lsa))
 468             sum += ntohs (lsa->header->checksum);
 469           return SNMP_INTEGER (sum);
 470         }
 471       return SNMP_INTEGER (0);
 472     case OSPFv3ORIGINATENEWLSAS:
 473       return SNMP_INTEGER (0);  /* Don't know where to get this value... */
 474     case OSPFv3RXNEWLSAS:
 475       return SNMP_INTEGER (0);  /* Don't know where to get this value... */
 476     case OSPFv3EXTLSACOUNT:
 477       if (ospf6)
 478         {
 479           for (count = 0, lsa = ospf6_lsdb_type_head (htons (OSPF6_LSTYPE_AS_EXTERNAL),
 480                                                       ospf6->lsdb);
 481                lsa;
 482                lsa = ospf6_lsdb_type_next (htons (OSPF6_LSTYPE_AS_EXTERNAL),
 483                                            lsa))
 484             count += 1;
 485           return SNMP_INTEGER (count);
 486         }
 487       return SNMP_INTEGER (0);
 488     case OSPFv3EXTAREALSDBLIMIT:
 489       return SNMP_INTEGER (-1);
 490     case OSPFv3EXITOVERFLOWINTERVAL:
 491       return SNMP_INTEGER (0);  /* Not supported */
 492     case OSPFv3DEMANDEXTENSIONS:
 493       return SNMP_INTEGER (0);  /* Not supported */
 494     case OSPFv3REFERENCEBANDWIDTH:
 495       if (ospf6)
 496         return SNMP_INTEGER (ospf6->ref_bandwidth);
 497       /* Otherwise, like for "not implemented". */
 498     case OSPFv3RESTARTSUPPORT:
 499     case OSPFv3RESTARTINTERVAL:
 500     case OSPFv3RESTARTSTRICTLSACHECKING:
 501     case OSPFv3RESTARTSTATUS:
 502     case OSPFv3RESTARTAGE:
 503     case OSPFv3RESTARTEXITREASON:
 504     case OSPFv3NOTIFICATIONENABLE:
 505     case OSPFv3STUBROUTERSUPPORT:
 506     case OSPFv3STUBROUTERADVERTISEMENT:
 507     case OSPFv3DISCONTINUITYTIME:
 508     case OSPFv3RESTARTTIME:
 509       /* TODO: Not implemented */
 510       return NULL;
 511     }
 512   return NULL;
 513 }
 514
 515 static u_char *
 516 ospfv3AreaEntry (struct variable *v, oid *name, size_t *length,
 517                  int exact, size_t *var_len, WriteMethod **write_method)
 518 {
 519   struct ospf6_area *oa, *area = NULL;
 520   struct ospf6_lsa *lsa = NULL;
 521   u_int32_t area_id = 0;
 522   u_int32_t count;
 523   u_int16_t sum;
 524   struct listnode *node;
 525   unsigned int len;
 526   char a[16];
 527   struct ospf6_route *ro;
 528
 529   if (ospf6 == NULL)
 530     return NULL;
 531
 532   if (smux_header_table(v, name, length, exact, var_len, write_method)
 533       == MATCH_FAILED)
 534     return NULL;
 535
 536   len = *length - v->namelen;
 537   len = (len >= 1 ? 1 : 0);
 538   if (exact && len != 1)
 539     return NULL;
 540   if (len)
 541     area_id  = htonl (name[v->namelen]);
 542
 543   inet_ntop (AF_INET, &area_id, a, sizeof (a));
 544   zlog_debug ("SNMP access by area: %s, exact=%d len=%d length=%lu",
 545               a, exact, len, (u_long)*length);
 546
 547   for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
 548     {
 549       if (area == NULL)
 550         {
 551           if (len == 0) /* return first area entry */
 552             area = oa;
 553           else if (exact && ntohl (oa->area_id) == ntohl (area_id))
 554             area = oa;
 555           else if (ntohl (oa->area_id) > ntohl (area_id))
 556             area = oa;
 557         }
 558     }
 559
 560   if (area == NULL)
 561     return NULL;
 562
 563   *length = v->namelen + 1;
 564   name[v->namelen] = ntohl (area->area_id);
 565
 566   inet_ntop (AF_INET, &area->area_id, a, sizeof (a));
 567   zlog_debug ("SNMP found area: %s, exact=%d len=%d length=%lu",
 568               a, exact, len, (u_long)*length);
 569
 570   switch (v->magic)
 571     {
 572     case OSPFv3IMPORTASEXTERN:
 573       /* No NSSA support */
 574       return SNMP_INTEGER (IS_AREA_STUB(area)?2:1);
 575     case OSPFv3AREASPFRUNS:
 576       return SNMP_INTEGER (area->spf_calculation);
 577     case OSPFv3AREABDRRTRCOUNT:
 578     case OSPFv3AREAASBDRRTRCOUNT:
 579       count = 0;
 580       for (ro = ospf6_route_head (ospf6->brouter_table); ro;
 581            ro = ospf6_route_next (ro))
 582         {
 583           if (ntohl (ro->path.area_id) != ntohl (area->area_id)) continue;
 584           if (v->magic == OSPFv3AREABDRRTRCOUNT &&
 585               CHECK_FLAG (ro->path.router_bits, OSPF6_ROUTER_BIT_B))
 586             count++;
 587           if (v->magic == OSPFv3AREAASBDRRTRCOUNT &&
 588               CHECK_FLAG (ro->path.router_bits, OSPF6_ROUTER_BIT_E))
 589             count++;
 590         }
 591       return SNMP_INTEGER (count);
 592     case OSPFv3AREASCOPELSACOUNT:
 593       return SNMP_INTEGER (area->lsdb->count);
 594     case OSPFv3AREASCOPELSACKSUMSUM:
 595       for (sum = 0, lsa = ospf6_lsdb_head (area->lsdb);
 596            lsa;
 597            lsa = ospf6_lsdb_next (lsa))
 598         sum += ntohs (lsa->header->checksum);
 599       return SNMP_INTEGER (sum);
 600     case OSPFv3AREASUMMARY:
 601       return SNMP_INTEGER (2); /* sendAreaSummary */
 602     case OSPFv3AREAROWSTATUS:
 603       return SNMP_INTEGER (1); /* Active */
 604     case OSPFv3AREASTUBMETRIC:
 605     case OSPFv3AREANSSATRANSLATORROLE:
 606     case OSPFv3AREANSSATRANSLATORSTATE:
 607     case OSPFv3AREANSSATRANSLATORSTABINTERVAL:
 608     case OSPFv3AREANSSATRANSLATOREVENTS:
 609     case OSPFv3AREASTUBMETRICTYPE:
 610     case OSPFv3AREATEENABLED:
 611       /* Not implemented. */
 612       return NULL;
 613     }
 614   return NULL;
 615 }
 616
 617 static int
 618 if_icmp_func (struct interface *ifp1, struct interface *ifp2)
 619 {
 620   return (ifp1->ifindex - ifp2->ifindex);
 621 }
 622
 623 static u_char *
 624 ospfv3WwLsdbEntry (struct variable *v, oid *name, size_t *length,
 625                      int exact, size_t *var_len, WriteMethod **write_method)
 626 {
 627   struct ospf6_lsa *lsa = NULL;
 628   ifindex_t ifindex;
 629   uint32_t area_id, id, instid, adv_router;
 630   u_int16_t type;
 631   int len;
 632   oid *offset;
 633   int offsetlen;
 634   struct ospf6_area *oa = NULL;
 635   struct listnode *node;
 636   struct interface *iif;
 637   struct ospf6_interface *oi = NULL;
 638   struct list *ifslist;
 639
 640   if (smux_header_table(v, name, length, exact, var_len, write_method)
 641       == MATCH_FAILED)
 642     return NULL;
 643
 644   instid = ifindex = area_id = type = id = adv_router = 0;
 645
 646   /* Check OSPFv3 instance. */
 647   if (ospf6 == NULL)
 648     return NULL;
 649
 650   /* Get variable length. */
 651   offset = name + v->namelen;
 652   offsetlen = *length - v->namelen;
 653
 654   if (exact && (v->magic & OSPFv3WWASTABLE) && offsetlen != 3)
 655     return NULL;
 656   if (exact && (v->magic & OSPFv3WWAREATABLE) && offsetlen != 4)
 657     return NULL;
 658   if (exact && (v->magic & OSPFv3WWLINKTABLE) && offsetlen != 5)
 659     return NULL;
 660
 661   if (v->magic & OSPFv3WWLINKTABLE)
 662     {
 663       /* Parse ifindex */
 664       len = (offsetlen < 1 ? 0 : 1);
 665       if (len)
 666         ifindex = *offset;
 667       offset += len;
 668       offsetlen -= len;
 669
 670       /* Parse instance ID */
 671       len = (offsetlen < 1 ? 0 : 1);
 672       if (len)
 673         instid = *offset;
 674       offset += len;
 675       offsetlen -= len;
 676     }
 677   else if (v->magic & OSPFv3WWAREATABLE)
 678     {
 679       /* Parse area-id */
 680       len = (offsetlen < 1 ? 0 : 1);
 681       if (len)
 682         area_id = htonl (*offset);
 683       offset += len;
 684       offsetlen -= len;
 685     }
 686
 687   /* Parse type */
 688   len = (offsetlen < 1 ? 0 : 1);
 689   if (len)
 690     type = htons (*offset);
 691   offset += len;
 692   offsetlen -= len;
 693
 694   /* Parse Router-ID */
 695   len = (offsetlen < 1 ? 0 : 1);
 696   if (len)
 697     adv_router = htonl (*offset);
 698   offset += len;
 699   offsetlen -= len;
 700
 701   /* Parse LS-ID */
 702   len = (offsetlen < 1 ? 0 : 1);
 703   if (len)
 704     id = htonl (*offset);
 705   offset += len;
 706   offsetlen -= len;
 707
 708   if (exact)
 709     {
 710       if (v->magic & OSPFv3WWASTABLE)
 711         {
 712           lsa = ospf6_lsdb_lookup (type, id, adv_router, ospf6->lsdb);
 713         }
 714       else if (v->magic & OSPFv3WWAREATABLE)
 715         {
 716           oa = ospf6_area_lookup (area_id, ospf6);
 717           if (!oa) return NULL;
 718           lsa = ospf6_lsdb_lookup (type, id, adv_router, oa->lsdb);
 719         }
 720       else if (v->magic & OSPFv3WWLINKTABLE)
 721         {
 722           oi = ospf6_interface_lookup_by_ifindex (ifindex);
 723           if (!oi || oi->instance_id != instid) return NULL;
 724           lsa = ospf6_lsdb_lookup (type, id, adv_router, oi->lsdb);
 725         }
 726     }
 727   else
 728     {
 729       if (v->magic & OSPFv3WWASTABLE)
 730         {
 731           if (ospf6->lsdb->count)
 732             lsa = ospf6_lsdb_lookup_next (type, id, adv_router,
 733                                           ospf6->lsdb);
 734         }
 735       else if (v->magic & OSPFv3WWAREATABLE)
 736         for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
 737           {
 738             if (oa->area_id < area_id)
 739               continue;
 740
 741             if (oa->lsdb->count)
 742               lsa = ospf6_lsdb_lookup_next (type, id, adv_router,
 743                                             oa->lsdb);
 744             if (lsa) break;
 745             type = 0;
 746             id = 0;
 747             adv_router = 0;
 748           }
 749       else if (v->magic & OSPFv3WWLINKTABLE)
 750         {
 751           /* We build a sorted list of interfaces */
 752           ifslist = list_new ();
 753           if (!ifslist) return NULL;
 754           ifslist->cmp = (int (*)(void *, void *))if_icmp_func;
 755           for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), node, iif))
 756             listnode_add_sort (ifslist, iif);
 757
 758           for (ALL_LIST_ELEMENTS_RO (ifslist, node, iif))
 759             {
 760               if (!iif->ifindex) continue;
 761               oi = ospf6_interface_lookup_by_ifindex (iif->ifindex);
 762               if (!oi) continue;
 763               if (iif->ifindex < ifindex) continue;
 764               if (oi->instance_id < instid) continue;
 765
 766               if (oi->lsdb->count)
 767                 lsa = ospf6_lsdb_lookup_next (type, id, adv_router,
 768                                             oi->lsdb);
 769               if (lsa) break;
 770               type = 0;
 771               id = 0;
 772               adv_router = 0;
 773               oi = NULL;
 774             }
 775
 776           list_delete_all_node (ifslist);
 777         }
 778     }
 779
 780   if (! lsa)
 781       return NULL;
 782
 783   /* Add indexes */
 784   if (v->magic & OSPFv3WWASTABLE)
 785     {
 786       *length = v->namelen + 3;
 787       offset = name + v->namelen;
 788     }
 789   else if (v->magic & OSPFv3WWAREATABLE)
 790     {
 791       *length = v->namelen + 4;
 792       offset = name + v->namelen;
 793       *offset = ntohl (oa->area_id);
 794       offset++;
 795     }
 796   else if (v->magic & OSPFv3WWLINKTABLE)
 797     {
 798       *length = v->namelen + 5;
 799       offset = name + v->namelen;
 800       *offset = oi->interface->ifindex;
 801       offset++;
 802       *offset = oi->instance_id;
 803       offset++;
 804     }
 805   *offset = ntohs (lsa->header->type);
 806   offset++;
 807   *offset = ntohl (lsa->header->adv_router);
 808   offset++;
 809   *offset = ntohl (lsa->header->id);
 810   offset++;
 811
 812   /* Return the current value of the variable */
 813   switch (v->magic & OSPFv3WWCOLUMN)
 814     {
 815     case OSPFv3WWLSDBSEQUENCE:
 816       return SNMP_INTEGER (ntohl (lsa->header->seqnum));
 817       break;
 818     case OSPFv3WWLSDBAGE:
 819       ospf6_lsa_age_current (lsa);
 820       return SNMP_INTEGER (ntohs (lsa->header->age));
 821       break;
 822     case OSPFv3WWLSDBCHECKSUM:
 823       return SNMP_INTEGER (ntohs (lsa->header->checksum));
 824       break;
 825     case OSPFv3WWLSDBADVERTISEMENT:
 826       *var_len = ntohs (lsa->header->length);
 827       return (u_char *) lsa->header;
 828       break;
 829     case OSPFv3WWLSDBTYPEKNOWN:
 830       return SNMP_INTEGER (OSPF6_LSA_IS_KNOWN (lsa->header->type) ?
 831                            SNMP_TRUE : SNMP_FALSE);
 832       break;
 833     }
 834   return NULL;
 835 }
 836
 837 static u_char *
 838 ospfv3IfEntry (struct variable *v, oid *name, size_t *length,
 839                 int exact, size_t *var_len, WriteMethod **write_method)
 840 {
 841   ifindex_t ifindex = 0;
 842   unsigned int instid = 0;
 843   struct ospf6_interface *oi = NULL;
 844   struct ospf6_lsa *lsa = NULL;
 845   struct interface      *iif;
 846   struct listnode *i;
 847   struct list *ifslist;
 848   oid *offset;
 849   int offsetlen, len;
 850   u_int32_t sum;
 851
 852   if (smux_header_table (v, name, length, exact, var_len, write_method)
 853       == MATCH_FAILED)
 854     return NULL;
 855
 856   /* Check OSPFv3 instance. */
 857   if (ospf6 == NULL)
 858     return NULL;
 859
 860   /* Get variable length. */
 861   offset = name + v->namelen;
 862   offsetlen = *length - v->namelen;
 863
 864   if (exact && offsetlen != 2)
 865     return NULL;
 866
 867   /* Parse if index */
 868   len = (offsetlen < 1 ? 0 : 1);
 869   if (len)
 870     ifindex = *offset;
 871   offset += len;
 872   offsetlen -= len;
 873
 874   /* Parse instance ID */
 875   len = (offsetlen < 1 ? 0 : 1);
 876   if (len)
 877     instid = *offset;
 878   offset += len;
 879   offsetlen -= len;
 880
 881   if (exact)
 882     {
 883       oi = ospf6_interface_lookup_by_ifindex (ifindex);
 884       if (!oi || oi->instance_id != instid) return NULL;
 885     }
 886   else
 887     {
 888       /* We build a sorted list of interfaces */
 889       ifslist = list_new ();
 890       if (!ifslist) return NULL;
 891       ifslist->cmp = (int (*)(void *, void *))if_icmp_func;
 892       for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), i, iif))
 893         listnode_add_sort (ifslist, iif);
 894
 895       for (ALL_LIST_ELEMENTS_RO (ifslist, i, iif))
 896         {
 897           if (!iif->ifindex) continue;
 898           oi = ospf6_interface_lookup_by_ifindex (iif->ifindex);
 899           if (!oi) continue;
 900           if (iif->ifindex > ifindex ||
 901               (iif->ifindex == ifindex &&
 902                (oi->instance_id > instid)))
 903             break;
 904           oi = NULL;
 905         }
 906
 907       list_delete_all_node (ifslist);
 908     }
 909
 910   if (!oi) return NULL;
 911
 912   /* Add Index (IfIndex, IfInstId) */
 913   *length = v->namelen + 2;
 914   offset = name + v->namelen;
 915   *offset = oi->interface->ifindex;
 916   offset++;
 917   *offset = oi->instance_id;
 918   offset++;
 919
 920   /* Return the current value of the variable */
 921   switch (v->magic)
 922     {
 923     case OSPFv3IFAREAID:
 924       if (oi->area)
 925         return SNMP_INTEGER (ntohl (oi->area->area_id));
 926       break;
 927     case OSPFv3IFTYPE:
 928       if (if_is_broadcast (oi->interface))
 929         return SNMP_INTEGER (1);
 930       else if (if_is_pointopoint (oi->interface))
 931         return SNMP_INTEGER (3);
 932       else break;               /* Unknown, don't put anything */
 933     case OSPFv3IFADMINSTATUS:
 934       if (oi->area)
 935         return SNMP_INTEGER (OSPF_STATUS_ENABLED);
 936       return SNMP_INTEGER (OSPF_STATUS_DISABLED);
 937     case OSPFv3IFRTRPRIORITY:
 938       return SNMP_INTEGER (oi->priority);
 939     case OSPFv3IFTRANSITDELAY:
 940       return SNMP_INTEGER (oi->transdelay);
 941     case OSPFv3IFRETRANSINTERVAL:
 942       return SNMP_INTEGER (oi->rxmt_interval);
 943     case OSPFv3IFHELLOINTERVAL:
 944       return SNMP_INTEGER (oi->hello_interval);
 945     case OSPFv3IFRTRDEADINTERVAL:
 946       return SNMP_INTEGER (oi->dead_interval);
 947     case OSPFv3IFPOLLINTERVAL:
 948       /* No support for NBMA */
 949       break;
 950     case OSPFv3IFSTATE:
 951       return SNMP_INTEGER (oi->state);
 952     case OSPFv3IFDESIGNATEDROUTER:
 953       return SNMP_INTEGER (ntohl (oi->drouter));
 954     case OSPFv3IFBACKUPDESIGNATEDROUTER:
 955       return SNMP_INTEGER (ntohl (oi->bdrouter));
 956     case OSPFv3IFEVENTS:
 957       return SNMP_INTEGER (oi->state_change);
 958     case OSPFv3IFROWSTATUS:
 959       return SNMP_INTEGER (1);
 960     case OSPFv3IFDEMAND:
 961       return SNMP_INTEGER (SNMP_FALSE);
 962     case OSPFv3IFMETRICVALUE:
 963       return SNMP_INTEGER (oi->cost);
 964     case OSPFv3IFLINKSCOPELSACOUNT:
 965       return SNMP_INTEGER (oi->lsdb->count);
 966     case OSPFv3IFLINKLSACKSUMSUM:
 967       for (sum = 0, lsa = ospf6_lsdb_head (oi->lsdb);
 968            lsa;
 969            lsa = ospf6_lsdb_next (lsa))
 970         sum += ntohs (lsa->header->checksum);
 971       return SNMP_INTEGER (sum);
 972     case OSPFv3IFDEMANDNBRPROBE:
 973     case OSPFv3IFDEMANDNBRPROBERETRANSLIMIT:
 974     case OSPFv3IFDEMANDNBRPROBEINTERVAL:
 975     case OSPFv3IFTEDISABLED:
 976     case OSPFv3IFLINKLSASUPPRESSION:
 977       /* Not implemented. Only works if all the last ones are not
 978          implemented! */
 979       return NULL;
 980     }
 981
 982   /* Try an internal getnext. Some columns are missing in this table. */
 983   if (!exact && (name[*length-1] < MAX_SUBID))
 984     return ospfv3IfEntry(v, name, length,
 985                          exact, var_len, write_method);
 986   return NULL;
 987 }
 988
 989 static u_char *
 990 ospfv3NbrEntry (struct variable *v, oid *name, size_t *length,
 991                 int exact, size_t *var_len, WriteMethod **write_method)
 992 {
 993   ifindex_t ifindex = 0;
 994   unsigned int instid, rtrid;
 995   struct ospf6_interface *oi = NULL;
 996   struct ospf6_neighbor  *on = NULL;
 997   struct interface      *iif;
 998   struct listnode *i, *j;
 999   struct list *ifslist;
1000   oid *offset;
1001   int offsetlen, len;
1002
1003   if (smux_header_table (v, name, length, exact, var_len, write_method)
1004       == MATCH_FAILED)
1005     return NULL;
1006
1007   instid = rtrid = 0;
1008
1009   /* Check OSPFv3 instance. */
1010   if (ospf6 == NULL)
1011     return NULL;
1012
1013   /* Get variable length. */
1014   offset = name + v->namelen;
1015   offsetlen = *length - v->namelen;
1016
1017   if (exact && offsetlen != 3)
1018     return NULL;
1019
1020   /* Parse if index */
1021   len = (offsetlen < 1 ? 0 : 1);
1022   if (len)
1023     ifindex = *offset;
1024   offset += len;
1025   offsetlen -= len;
1026
1027   /* Parse instance ID */
1028   len = (offsetlen < 1 ? 0 : 1);
1029   if (len)
1030     instid = *offset;
1031   offset += len;
1032   offsetlen -= len;
1033
1034   /* Parse router ID */
1035   len = (offsetlen < 1 ? 0 : 1);
1036   if (len)
1037     rtrid = htonl (*offset);
1038   offset += len;
1039   offsetlen -= len;
1040
1041   if (exact)
1042     {
1043       oi = ospf6_interface_lookup_by_ifindex (ifindex);
1044       if (!oi || oi->instance_id != instid) return NULL;
1045       on = ospf6_neighbor_lookup (rtrid, oi);
1046     }
1047   else
1048     {
1049       /* We build a sorted list of interfaces */
1050       ifslist = list_new ();
1051       if (!ifslist) return NULL;
1052       ifslist->cmp = (int (*)(void *, void *))if_icmp_func;
1053       for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), i, iif))
1054         listnode_add_sort (ifslist, iif);
1055
1056       for (ALL_LIST_ELEMENTS_RO (ifslist, i, iif))
1057         {
1058           if (!iif->ifindex) continue;
1059           oi = ospf6_interface_lookup_by_ifindex (iif->ifindex);
1060           if (!oi) continue;
1061           for (ALL_LIST_ELEMENTS_RO (oi->neighbor_list, j, on)) {
1062             if (iif->ifindex > ifindex ||
1063                 (iif->ifindex == ifindex &&
1064                  (oi->instance_id > instid ||
1065                   (oi->instance_id == instid &&
1066                    ntohl (on->router_id) > ntohl (rtrid)))))
1067               break;
1068           }
1069           if (on) break;
1070           oi = NULL;
1071           on = NULL;
1072         }
1073
1074       list_delete_all_node (ifslist);
1075     }
1076
1077   if (!oi || !on) return NULL;
1078
1079   /* Add Index (IfIndex, IfInstId, RtrId) */
1080   *length = v->namelen + 3;
1081   offset = name + v->namelen;
1082   *offset = oi->interface->ifindex;
1083   offset++;
1084   *offset = oi->instance_id;
1085   offset++;
1086   *offset = ntohl (on->router_id);
1087   offset++;
1088
1089   /* Return the current value of the variable */
1090   switch (v->magic)
1091     {
1092     case OSPFv3NBRADDRESSTYPE:
1093       return SNMP_INTEGER (2);  /* IPv6 only */
1094     case OSPFv3NBRADDRESS:
1095       *var_len = sizeof (struct in6_addr);
1096       return (u_char *) &on->linklocal_addr;
1097     case OSPFv3NBROPTIONS:
1098       return SNMP_INTEGER (on->options[2]);
1099     case OSPFv3NBRPRIORITY:
1100       return SNMP_INTEGER (on->priority);
1101     case OSPFv3NBRSTATE:
1102       return SNMP_INTEGER (on->state);
1103     case OSPFv3NBREVENTS:
1104       return SNMP_INTEGER (on->state_change);
1105     case OSPFv3NBRLSRETRANSQLEN:
1106       return SNMP_INTEGER (on->retrans_list->count);
1107     case OSPFv3NBRHELLOSUPPRESSED:
1108       return SNMP_INTEGER (SNMP_FALSE);
1109     case OSPFv3NBRIFID:
1110       return SNMP_INTEGER (on->ifindex);
1111     case OSPFv3NBRRESTARTHELPERSTATUS:
1112     case OSPFv3NBRRESTARTHELPERAGE:
1113     case OSPFv3NBRRESTARTHELPEREXITREASON:
1114       /* Not implemented. Only works if all the last ones are not
1115          implemented! */
1116       return NULL;
1117     }
1118
1119   return NULL;
1120 }
1121
1122 /* OSPF Traps. */
1123 #define NBRSTATECHANGE      2
1124 #define IFSTATECHANGE      10
1125
1126 static struct trap_object ospf6NbrTrapList[] =
1127 {
1128   {-3, {1, 1, OSPFv3ROUTERID}},
1129   {4, {1, 9, 1, OSPFv3NBRADDRESSTYPE}},
1130   {4, {1, 9, 1, OSPFv3NBRADDRESS}},
1131   {4, {1, 9, 1, OSPFv3NBRSTATE}}
1132 };
1133
1134 static struct trap_object ospf6IfTrapList[] =
1135 {
1136   {-3, {1, 1, OSPFv3ROUTERID}},
1137   {4, {1, 7, 1, OSPFv3IFSTATE}},
1138   {4, {1, 7, 1, OSPFv3IFADMINSTATUS}},
1139   {4, {1, 7, 1, OSPFv3IFAREAID}}
1140 };
1141
1142 void
1143 ospf6TrapNbrStateChange (struct ospf6_neighbor *on)
1144 {
1145   oid index[3];
1146
1147   index[0] = on->ospf6_if->interface->ifindex;
1148   index[1] = on->ospf6_if->instance_id;
1149   index[2] = ntohl (on->router_id);
1150
1151   smux_trap (ospfv3_variables, sizeof ospfv3_variables / sizeof (struct variable),
1152              ospfv3_trap_oid, sizeof ospfv3_trap_oid / sizeof (oid),
1153              ospfv3_oid, sizeof ospfv3_oid / sizeof (oid),
1154              index,  3,
1155              ospf6NbrTrapList,
1156              sizeof ospf6NbrTrapList / sizeof (struct trap_object),
1157              NBRSTATECHANGE);
1158 }
1159
1160 void
1161 ospf6TrapIfStateChange (struct ospf6_interface *oi)
1162 {
1163   oid index[2];
1164
1165   index[0] = oi->interface->ifindex;
1166   index[1] = oi->instance_id;
1167
1168   smux_trap (ospfv3_variables, sizeof ospfv3_variables / sizeof (struct variable),
1169              ospfv3_trap_oid, sizeof ospfv3_trap_oid / sizeof (oid),
1170              ospfv3_oid, sizeof ospfv3_oid / sizeof (oid),
1171              index,  2,
1172              ospf6IfTrapList,
1173              sizeof ospf6IfTrapList / sizeof (struct trap_object),
1174              IFSTATECHANGE);
1175 }
1176
1177 /* Register OSPFv3-MIB. */
1178 void
1179 ospf6_snmp_init (struct thread_master *master)
1180 {
1181   smux_init (master);
1182   REGISTER_MIB ("OSPFv3MIB", ospfv3_variables, variable, ospfv3_oid);
1183 }
1184
1185 #endif /* HAVE_SNMP */
1186