2 * Copyright (C) 2005 6WIND <alain.ritoux@6wind.com>
3 * Copyright (C) 2000 IP Infusion Inc.
5 * Written by Kunihiro Ishiguro <kunihiro@zebra.org>
7 * This file is part of GNU Zebra.
9 * GNU Zebra is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2, or (at your option) any
14 * GNU Zebra is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; see the file COPYING; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26 #include <net-snmp/net-snmp-config.h>
27 #include <net-snmp/net-snmp-includes.h>
39 #include "ospfd/ospfd.h"
40 #include "ospfd/ospf_interface.h"
41 #include "ospfd/ospf_asbr.h"
42 #include "ospfd/ospf_lsa.h"
43 #include "ospfd/ospf_lsdb.h"
44 #include "ospfd/ospf_abr.h"
45 #include "ospfd/ospf_neighbor.h"
46 #include "ospfd/ospf_nsm.h"
47 #include "ospfd/ospf_flood.h"
48 #include "ospfd/ospf_ism.h"
49 #include "ospfd/ospf_dump.h"
50 #include "ospfd/ospf_route.h"
51 #include "ospfd/ospf_zebra.h"
54 #define OSPF2MIB 1,3,6,1,2,1,14
56 /* OSPF MIB General Group values. */
57 #define OSPFROUTERID 1
58 #define OSPFADMINSTAT 2
59 #define OSPFVERSIONNUMBER 3
60 #define OSPFAREABDRRTRSTATUS 4
61 #define OSPFASBDRRTRSTATUS 5
62 #define OSPFEXTERNLSACOUNT 6
63 #define OSPFEXTERNLSACKSUMSUM 7
64 #define OSPFTOSSUPPORT 8
65 #define OSPFORIGINATENEWLSAS 9
66 #define OSPFRXNEWLSAS 10
67 #define OSPFEXTLSDBLIMIT 11
68 #define OSPFMULTICASTEXTENSIONS 12
69 #define OSPFEXITOVERFLOWINTERVAL 13
70 #define OSPFDEMANDEXTENSIONS 14
72 /* OSPF MIB ospfAreaTable. */
74 #define OSPFAUTHTYPE 2
75 #define OSPFIMPORTASEXTERN 3
77 #define OSPFAREABDRRTRCOUNT 5
78 #define OSPFASBDRRTRCOUNT 6
79 #define OSPFAREALSACOUNT 7
80 #define OSPFAREALSACKSUMSUM 8
81 #define OSPFAREASUMMARY 9
82 #define OSPFAREASTATUS 10
84 /* OSPF MIB ospfStubAreaTable. */
85 #define OSPFSTUBAREAID 1
87 #define OSPFSTUBMETRIC 3
88 #define OSPFSTUBSTATUS 4
89 #define OSPFSTUBMETRICTYPE 5
91 /* OSPF MIB ospfLsdbTable. */
92 #define OSPFLSDBAREAID 1
93 #define OSPFLSDBTYPE 2
94 #define OSPFLSDBLSID 3
95 #define OSPFLSDBROUTERID 4
96 #define OSPFLSDBSEQUENCE 5
98 #define OSPFLSDBCHECKSUM 7
99 #define OSPFLSDBADVERTISEMENT 8
101 /* OSPF MIB ospfAreaRangeTable. */
102 #define OSPFAREARANGEAREAID 1
103 #define OSPFAREARANGENET 2
104 #define OSPFAREARANGEMASK 3
105 #define OSPFAREARANGESTATUS 4
106 #define OSPFAREARANGEEFFECT 5
108 /* OSPF MIB ospfHostTable. */
109 #define OSPFHOSTIPADDRESS 1
110 #define OSPFHOSTTOS 2
111 #define OSPFHOSTMETRIC 3
112 #define OSPFHOSTSTATUS 4
113 #define OSPFHOSTAREAID 5
115 /* OSPF MIB ospfIfTable. */
116 #define OSPFIFIPADDRESS 1
117 #define OSPFADDRESSLESSIF 2
118 #define OSPFIFAREAID 3
120 #define OSPFIFADMINSTAT 5
121 #define OSPFIFRTRPRIORITY 6
122 #define OSPFIFTRANSITDELAY 7
123 #define OSPFIFRETRANSINTERVAL 8
124 #define OSPFIFHELLOINTERVAL 9
125 #define OSPFIFRTRDEADINTERVAL 10
126 #define OSPFIFPOLLINTERVAL 11
127 #define OSPFIFSTATE 12
128 #define OSPFIFDESIGNATEDROUTER 13
129 #define OSPFIFBACKUPDESIGNATEDROUTER 14
130 #define OSPFIFEVENTS 15
131 #define OSPFIFAUTHKEY 16
132 #define OSPFIFSTATUS 17
133 #define OSPFIFMULTICASTFORWARDING 18
134 #define OSPFIFDEMAND 19
135 #define OSPFIFAUTHTYPE 20
137 /* OSPF MIB ospfIfMetricTable. */
138 #define OSPFIFMETRICIPADDRESS 1
139 #define OSPFIFMETRICADDRESSLESSIF 2
140 #define OSPFIFMETRICTOS 3
141 #define OSPFIFMETRICVALUE 4
142 #define OSPFIFMETRICSTATUS 5
144 /* OSPF MIB ospfVirtIfTable. */
145 #define OSPFVIRTIFAREAID 1
146 #define OSPFVIRTIFNEIGHBOR 2
147 #define OSPFVIRTIFTRANSITDELAY 3
148 #define OSPFVIRTIFRETRANSINTERVAL 4
149 #define OSPFVIRTIFHELLOINTERVAL 5
150 #define OSPFVIRTIFRTRDEADINTERVAL 6
151 #define OSPFVIRTIFSTATE 7
152 #define OSPFVIRTIFEVENTS 8
153 #define OSPFVIRTIFAUTHKEY 9
154 #define OSPFVIRTIFSTATUS 10
155 #define OSPFVIRTIFAUTHTYPE 11
157 /* OSPF MIB ospfNbrTable. */
158 #define OSPFNBRIPADDR 1
159 #define OSPFNBRADDRESSLESSINDEX 2
160 #define OSPFNBRRTRID 3
161 #define OSPFNBROPTIONS 4
162 #define OSPFNBRPRIORITY 5
163 #define OSPFNBRSTATE 6
164 #define OSPFNBREVENTS 7
165 #define OSPFNBRLSRETRANSQLEN 8
166 #define OSPFNBMANBRSTATUS 9
167 #define OSPFNBMANBRPERMANENCE 10
168 #define OSPFNBRHELLOSUPPRESSED 11
170 /* OSPF MIB ospfVirtNbrTable. */
171 #define OSPFVIRTNBRAREA 1
172 #define OSPFVIRTNBRRTRID 2
173 #define OSPFVIRTNBRIPADDR 3
174 #define OSPFVIRTNBROPTIONS 4
175 #define OSPFVIRTNBRSTATE 5
176 #define OSPFVIRTNBREVENTS 6
177 #define OSPFVIRTNBRLSRETRANSQLEN 7
178 #define OSPFVIRTNBRHELLOSUPPRESSED 8
180 /* OSPF MIB ospfExtLsdbTable. */
181 #define OSPFEXTLSDBTYPE 1
182 #define OSPFEXTLSDBLSID 2
183 #define OSPFEXTLSDBROUTERID 3
184 #define OSPFEXTLSDBSEQUENCE 4
185 #define OSPFEXTLSDBAGE 5
186 #define OSPFEXTLSDBCHECKSUM 6
187 #define OSPFEXTLSDBADVERTISEMENT 7
189 /* OSPF MIB ospfAreaAggregateTable. */
190 #define OSPFAREAAGGREGATEAREAID 1
191 #define OSPFAREAAGGREGATELSDBTYPE 2
192 #define OSPFAREAAGGREGATENET 3
193 #define OSPFAREAAGGREGATEMASK 4
194 #define OSPFAREAAGGREGATESTATUS 5
195 #define OSPFAREAAGGREGATEEFFECT 6
197 /* SYNTAX Status from OSPF-MIB. */
198 #define OSPF_STATUS_ENABLED 1
199 #define OSPF_STATUS_DISABLED 2
201 /* SNMP value hack. */
202 #define COUNTER ASN_COUNTER
203 #define INTEGER ASN_INTEGER
204 #define GAUGE ASN_GAUGE
205 #define TIMETICKS ASN_TIMETICKS
206 #define IPADDRESS ASN_IPADDRESS
207 #define STRING ASN_OCTET_STR
209 /* Because DR/DROther values are exhanged wrt RFC */
210 #define ISM_SNMP(x) \
211 (((x) == ISM_DROther) ? ISM_DR : ((x) == ISM_DR) ? ISM_DROther : (x))
213 /* Declare static local variables for convenience. */
216 /* OSPF-MIB instances. */
217 static oid ospf_oid
[] = {OSPF2MIB
};
218 static oid ospf_trap_oid
[] = {OSPF2MIB
, 16, 2}; /* Not reverse mappable! */
220 /* IP address 0.0.0.0. */
221 static struct in_addr ospf_empty_addr
= {.s_addr
= 0};
223 /* Hook functions. */
224 static uint8_t *ospfGeneralGroup(struct variable
*, oid
*, size_t *, int,
225 size_t *, WriteMethod
**);
226 static uint8_t *ospfAreaEntry(struct variable
*, oid
*, size_t *, int, size_t *,
228 static uint8_t *ospfStubAreaEntry(struct variable
*, oid
*, size_t *, int,
229 size_t *, WriteMethod
**);
230 static uint8_t *ospfLsdbEntry(struct variable
*, oid
*, size_t *, int, size_t *,
232 static uint8_t *ospfAreaRangeEntry(struct variable
*, oid
*, size_t *, int,
233 size_t *, WriteMethod
**);
234 static uint8_t *ospfHostEntry(struct variable
*, oid
*, size_t *, int, size_t *,
236 static uint8_t *ospfIfEntry(struct variable
*, oid
*, size_t *, int, size_t *,
238 static uint8_t *ospfIfMetricEntry(struct variable
*, oid
*, size_t *, int,
239 size_t *, WriteMethod
**);
240 static uint8_t *ospfVirtIfEntry(struct variable
*, oid
*, size_t *, int,
241 size_t *, WriteMethod
**);
242 static uint8_t *ospfNbrEntry(struct variable
*, oid
*, size_t *, int, size_t *,
244 static uint8_t *ospfVirtNbrEntry(struct variable
*, oid
*, size_t *, int,
245 size_t *, WriteMethod
**);
246 static uint8_t *ospfExtLsdbEntry(struct variable
*, oid
*, size_t *, int,
247 size_t *, WriteMethod
**);
248 static uint8_t *ospfAreaAggregateEntry(struct variable
*, oid
*, size_t *, int,
249 size_t *, WriteMethod
**);
251 static struct variable ospf_variables
[] = {
252 /* OSPF general variables */
253 {OSPFROUTERID
, IPADDRESS
, RWRITE
, ospfGeneralGroup
, 2, {1, 1}},
254 {OSPFADMINSTAT
, INTEGER
, RWRITE
, ospfGeneralGroup
, 2, {1, 2}},
255 {OSPFVERSIONNUMBER
, INTEGER
, RONLY
, ospfGeneralGroup
, 2, {1, 3}},
256 {OSPFAREABDRRTRSTATUS
, INTEGER
, RONLY
, ospfGeneralGroup
, 2, {1, 4}},
257 {OSPFASBDRRTRSTATUS
, INTEGER
, RWRITE
, ospfGeneralGroup
, 2, {1, 5}},
258 {OSPFEXTERNLSACOUNT
, GAUGE
, RONLY
, ospfGeneralGroup
, 2, {1, 6}},
259 {OSPFEXTERNLSACKSUMSUM
, INTEGER
, RONLY
, ospfGeneralGroup
, 2, {1, 7}},
260 {OSPFTOSSUPPORT
, INTEGER
, RWRITE
, ospfGeneralGroup
, 2, {1, 8}},
261 {OSPFORIGINATENEWLSAS
, COUNTER
, RONLY
, ospfGeneralGroup
, 2, {1, 9}},
262 {OSPFRXNEWLSAS
, COUNTER
, RONLY
, ospfGeneralGroup
, 2, {1, 10}},
263 {OSPFEXTLSDBLIMIT
, INTEGER
, RWRITE
, ospfGeneralGroup
, 2, {1, 11}},
264 {OSPFMULTICASTEXTENSIONS
,
270 {OSPFEXITOVERFLOWINTERVAL
,
276 {OSPFDEMANDEXTENSIONS
, INTEGER
, RWRITE
, ospfGeneralGroup
, 2, {1, 14}},
278 /* OSPF area data structure. */
279 {OSPFAREAID
, IPADDRESS
, RONLY
, ospfAreaEntry
, 3, {2, 1, 1}},
280 {OSPFAUTHTYPE
, INTEGER
, RWRITE
, ospfAreaEntry
, 3, {2, 1, 2}},
281 {OSPFIMPORTASEXTERN
, INTEGER
, RWRITE
, ospfAreaEntry
, 3, {2, 1, 3}},
282 {OSPFSPFRUNS
, COUNTER
, RONLY
, ospfAreaEntry
, 3, {2, 1, 4}},
283 {OSPFAREABDRRTRCOUNT
, GAUGE
, RONLY
, ospfAreaEntry
, 3, {2, 1, 5}},
284 {OSPFASBDRRTRCOUNT
, GAUGE
, RONLY
, ospfAreaEntry
, 3, {2, 1, 6}},
285 {OSPFAREALSACOUNT
, GAUGE
, RONLY
, ospfAreaEntry
, 3, {2, 1, 7}},
286 {OSPFAREALSACKSUMSUM
, INTEGER
, RONLY
, ospfAreaEntry
, 3, {2, 1, 8}},
287 {OSPFAREASUMMARY
, INTEGER
, RWRITE
, ospfAreaEntry
, 3, {2, 1, 9}},
288 {OSPFAREASTATUS
, INTEGER
, RWRITE
, ospfAreaEntry
, 3, {2, 1, 10}},
290 /* OSPF stub area information. */
291 {OSPFSTUBAREAID
, IPADDRESS
, RONLY
, ospfStubAreaEntry
, 3, {3, 1, 1}},
292 {OSPFSTUBTOS
, INTEGER
, RONLY
, ospfStubAreaEntry
, 3, {3, 1, 2}},
293 {OSPFSTUBMETRIC
, INTEGER
, RWRITE
, ospfStubAreaEntry
, 3, {3, 1, 3}},
294 {OSPFSTUBSTATUS
, INTEGER
, RWRITE
, ospfStubAreaEntry
, 3, {3, 1, 4}},
295 {OSPFSTUBMETRICTYPE
, INTEGER
, RWRITE
, ospfStubAreaEntry
, 3, {3, 1, 5}},
297 /* OSPF link state database. */
298 {OSPFLSDBAREAID
, IPADDRESS
, RONLY
, ospfLsdbEntry
, 3, {4, 1, 1}},
299 {OSPFLSDBTYPE
, INTEGER
, RONLY
, ospfLsdbEntry
, 3, {4, 1, 2}},
300 {OSPFLSDBLSID
, IPADDRESS
, RONLY
, ospfLsdbEntry
, 3, {4, 1, 3}},
301 {OSPFLSDBROUTERID
, IPADDRESS
, RONLY
, ospfLsdbEntry
, 3, {4, 1, 4}},
302 {OSPFLSDBSEQUENCE
, INTEGER
, RONLY
, ospfLsdbEntry
, 3, {4, 1, 5}},
303 {OSPFLSDBAGE
, INTEGER
, RONLY
, ospfLsdbEntry
, 3, {4, 1, 6}},
304 {OSPFLSDBCHECKSUM
, INTEGER
, RONLY
, ospfLsdbEntry
, 3, {4, 1, 7}},
305 {OSPFLSDBADVERTISEMENT
, STRING
, RONLY
, ospfLsdbEntry
, 3, {4, 1, 8}},
307 /* Area range table. */
308 {OSPFAREARANGEAREAID
,
314 {OSPFAREARANGENET
, IPADDRESS
, RONLY
, ospfAreaRangeEntry
, 3, {5, 1, 2}},
321 {OSPFAREARANGESTATUS
,
327 {OSPFAREARANGEEFFECT
,
334 /* OSPF host table. */
335 {OSPFHOSTIPADDRESS
, IPADDRESS
, RONLY
, ospfHostEntry
, 3, {6, 1, 1}},
336 {OSPFHOSTTOS
, INTEGER
, RONLY
, ospfHostEntry
, 3, {6, 1, 2}},
337 {OSPFHOSTMETRIC
, INTEGER
, RWRITE
, ospfHostEntry
, 3, {6, 1, 3}},
338 {OSPFHOSTSTATUS
, INTEGER
, RWRITE
, ospfHostEntry
, 3, {6, 1, 4}},
339 {OSPFHOSTAREAID
, IPADDRESS
, RONLY
, ospfHostEntry
, 3, {6, 1, 5}},
341 /* OSPF interface table. */
342 {OSPFIFIPADDRESS
, IPADDRESS
, RONLY
, ospfIfEntry
, 3, {7, 1, 1}},
343 {OSPFADDRESSLESSIF
, INTEGER
, RONLY
, ospfIfEntry
, 3, {7, 1, 2}},
344 {OSPFIFAREAID
, IPADDRESS
, RWRITE
, ospfIfEntry
, 3, {7, 1, 3}},
345 {OSPFIFTYPE
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 4}},
346 {OSPFIFADMINSTAT
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 5}},
347 {OSPFIFRTRPRIORITY
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 6}},
348 {OSPFIFTRANSITDELAY
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 7}},
349 {OSPFIFRETRANSINTERVAL
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 8}},
350 {OSPFIFHELLOINTERVAL
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 9}},
351 {OSPFIFRTRDEADINTERVAL
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 10}},
352 {OSPFIFPOLLINTERVAL
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 11}},
353 {OSPFIFSTATE
, INTEGER
, RONLY
, ospfIfEntry
, 3, {7, 1, 12}},
354 {OSPFIFDESIGNATEDROUTER
, IPADDRESS
, RONLY
, ospfIfEntry
, 3, {7, 1, 13}},
355 {OSPFIFBACKUPDESIGNATEDROUTER
,
361 {OSPFIFEVENTS
, COUNTER
, RONLY
, ospfIfEntry
, 3, {7, 1, 15}},
362 {OSPFIFAUTHKEY
, STRING
, RWRITE
, ospfIfEntry
, 3, {7, 1, 16}},
363 {OSPFIFSTATUS
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 17}},
364 {OSPFIFMULTICASTFORWARDING
,
370 {OSPFIFDEMAND
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 19}},
371 {OSPFIFAUTHTYPE
, INTEGER
, RWRITE
, ospfIfEntry
, 3, {7, 1, 20}},
373 /* OSPF interface metric table. */
374 {OSPFIFMETRICIPADDRESS
,
380 {OSPFIFMETRICADDRESSLESSIF
,
386 {OSPFIFMETRICTOS
, INTEGER
, RONLY
, ospfIfMetricEntry
, 3, {8, 1, 3}},
387 {OSPFIFMETRICVALUE
, INTEGER
, RWRITE
, ospfIfMetricEntry
, 3, {8, 1, 4}},
388 {OSPFIFMETRICSTATUS
, INTEGER
, RWRITE
, ospfIfMetricEntry
, 3, {8, 1, 5}},
390 /* OSPF virtual interface table. */
391 {OSPFVIRTIFAREAID
, IPADDRESS
, RONLY
, ospfVirtIfEntry
, 3, {9, 1, 1}},
392 {OSPFVIRTIFNEIGHBOR
, IPADDRESS
, RONLY
, ospfVirtIfEntry
, 3, {9, 1, 2}},
393 {OSPFVIRTIFTRANSITDELAY
,
399 {OSPFVIRTIFRETRANSINTERVAL
,
405 {OSPFVIRTIFHELLOINTERVAL
,
411 {OSPFVIRTIFRTRDEADINTERVAL
,
417 {OSPFVIRTIFSTATE
, INTEGER
, RONLY
, ospfVirtIfEntry
, 3, {9, 1, 7}},
418 {OSPFVIRTIFEVENTS
, COUNTER
, RONLY
, ospfVirtIfEntry
, 3, {9, 1, 8}},
419 {OSPFVIRTIFAUTHKEY
, STRING
, RWRITE
, ospfVirtIfEntry
, 3, {9, 1, 9}},
420 {OSPFVIRTIFSTATUS
, INTEGER
, RWRITE
, ospfVirtIfEntry
, 3, {9, 1, 10}},
421 {OSPFVIRTIFAUTHTYPE
, INTEGER
, RWRITE
, ospfVirtIfEntry
, 3, {9, 1, 11}},
423 /* OSPF neighbor table. */
424 {OSPFNBRIPADDR
, IPADDRESS
, RONLY
, ospfNbrEntry
, 3, {10, 1, 1}},
425 {OSPFNBRADDRESSLESSINDEX
, INTEGER
, RONLY
, ospfNbrEntry
, 3, {10, 1, 2}},
426 {OSPFNBRRTRID
, IPADDRESS
, RONLY
, ospfNbrEntry
, 3, {10, 1, 3}},
427 {OSPFNBROPTIONS
, INTEGER
, RONLY
, ospfNbrEntry
, 3, {10, 1, 4}},
428 {OSPFNBRPRIORITY
, INTEGER
, RWRITE
, ospfNbrEntry
, 3, {10, 1, 5}},
429 {OSPFNBRSTATE
, INTEGER
, RONLY
, ospfNbrEntry
, 3, {10, 1, 6}},
430 {OSPFNBREVENTS
, COUNTER
, RONLY
, ospfNbrEntry
, 3, {10, 1, 7}},
431 {OSPFNBRLSRETRANSQLEN
, GAUGE
, RONLY
, ospfNbrEntry
, 3, {10, 1, 8}},
432 {OSPFNBMANBRSTATUS
, INTEGER
, RWRITE
, ospfNbrEntry
, 3, {10, 1, 9}},
433 {OSPFNBMANBRPERMANENCE
, INTEGER
, RONLY
, ospfNbrEntry
, 3, {10, 1, 10}},
434 {OSPFNBRHELLOSUPPRESSED
, INTEGER
, RONLY
, ospfNbrEntry
, 3, {10, 1, 11}},
436 /* OSPF virtual neighbor table. */
437 {OSPFVIRTNBRAREA
, IPADDRESS
, RONLY
, ospfVirtNbrEntry
, 3, {11, 1, 1}},
438 {OSPFVIRTNBRRTRID
, IPADDRESS
, RONLY
, ospfVirtNbrEntry
, 3, {11, 1, 2}},
439 {OSPFVIRTNBRIPADDR
, IPADDRESS
, RONLY
, ospfVirtNbrEntry
, 3, {11, 1, 3}},
440 {OSPFVIRTNBROPTIONS
, INTEGER
, RONLY
, ospfVirtNbrEntry
, 3, {11, 1, 4}},
441 {OSPFVIRTNBRSTATE
, INTEGER
, RONLY
, ospfVirtNbrEntry
, 3, {11, 1, 5}},
442 {OSPFVIRTNBREVENTS
, COUNTER
, RONLY
, ospfVirtNbrEntry
, 3, {11, 1, 6}},
443 {OSPFVIRTNBRLSRETRANSQLEN
,
449 {OSPFVIRTNBRHELLOSUPPRESSED
,
456 /* OSPF link state database, external. */
457 {OSPFEXTLSDBTYPE
, INTEGER
, RONLY
, ospfExtLsdbEntry
, 3, {12, 1, 1}},
458 {OSPFEXTLSDBLSID
, IPADDRESS
, RONLY
, ospfExtLsdbEntry
, 3, {12, 1, 2}},
459 {OSPFEXTLSDBROUTERID
,
465 {OSPFEXTLSDBSEQUENCE
, INTEGER
, RONLY
, ospfExtLsdbEntry
, 3, {12, 1, 4}},
466 {OSPFEXTLSDBAGE
, INTEGER
, RONLY
, ospfExtLsdbEntry
, 3, {12, 1, 5}},
467 {OSPFEXTLSDBCHECKSUM
, INTEGER
, RONLY
, ospfExtLsdbEntry
, 3, {12, 1, 6}},
468 {OSPFEXTLSDBADVERTISEMENT
,
475 /* OSPF area aggregate table. */
476 {OSPFAREAAGGREGATEAREAID
,
479 ospfAreaAggregateEntry
,
482 {OSPFAREAAGGREGATELSDBTYPE
,
485 ospfAreaAggregateEntry
,
488 {OSPFAREAAGGREGATENET
,
491 ospfAreaAggregateEntry
,
494 {OSPFAREAAGGREGATEMASK
,
497 ospfAreaAggregateEntry
,
500 {OSPFAREAAGGREGATESTATUS
,
503 ospfAreaAggregateEntry
,
506 {OSPFAREAAGGREGATEEFFECT
,
509 ospfAreaAggregateEntry
,
513 /* The administrative status of OSPF. When OSPF is enbled on at least
514 one interface return 1. */
515 static int ospf_admin_stat(struct ospf
*ospf
)
517 struct listnode
*node
;
518 struct ospf_interface
*oi
;
523 for (ALL_LIST_ELEMENTS_RO(ospf
->oiflist
, node
, oi
))
524 if (oi
&& oi
->address
)
530 static uint8_t *ospfGeneralGroup(struct variable
*v
, oid
*name
, size_t *length
,
531 int exact
, size_t *var_len
,
532 WriteMethod
**write_method
)
536 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
538 /* Check whether the instance identifier is valid */
539 if (smux_header_generic(v
, name
, length
, exact
, var_len
, write_method
)
543 /* Return the current value of the variable */
545 case OSPFROUTERID
: /* 1 */
546 /* Router-ID of this OSPF instance. */
548 return SNMP_IPADDRESS(ospf
->router_id
);
550 return SNMP_IPADDRESS(ospf_empty_addr
);
551 case OSPFADMINSTAT
: /* 2 */
552 /* The administrative status of OSPF in the router. */
553 if (ospf_admin_stat(ospf
))
554 return SNMP_INTEGER(OSPF_STATUS_ENABLED
);
556 return SNMP_INTEGER(OSPF_STATUS_DISABLED
);
557 case OSPFVERSIONNUMBER
: /* 3 */
558 /* OSPF version 2. */
559 return SNMP_INTEGER(OSPF_VERSION
);
560 case OSPFAREABDRRTRSTATUS
: /* 4 */
561 /* Area Border router status. */
562 if (ospf
&& CHECK_FLAG(ospf
->flags
, OSPF_FLAG_ABR
))
563 return SNMP_INTEGER(SNMP_TRUE
);
565 return SNMP_INTEGER(SNMP_FALSE
);
566 case OSPFASBDRRTRSTATUS
: /* 5 */
567 /* AS Border router status. */
568 if (ospf
&& CHECK_FLAG(ospf
->flags
, OSPF_FLAG_ASBR
))
569 return SNMP_INTEGER(SNMP_TRUE
);
571 return SNMP_INTEGER(SNMP_FALSE
);
572 case OSPFEXTERNLSACOUNT
: /* 6 */
573 /* External LSA counts. */
575 return SNMP_INTEGER(ospf_lsdb_count_all(ospf
->lsdb
));
577 return SNMP_INTEGER(0);
578 case OSPFEXTERNLSACKSUMSUM
: /* 7 */
579 /* External LSA checksum. */
580 return SNMP_INTEGER(0);
581 case OSPFTOSSUPPORT
: /* 8 */
582 /* TOS is not supported. */
583 return SNMP_INTEGER(SNMP_FALSE
);
584 case OSPFORIGINATENEWLSAS
: /* 9 */
585 /* The number of new link-state advertisements. */
587 return SNMP_INTEGER(ospf
->lsa_originate_count
);
589 return SNMP_INTEGER(0);
590 case OSPFRXNEWLSAS
: /* 10 */
591 /* The number of link-state advertisements received determined
592 to be new instantiations. */
594 return SNMP_INTEGER(ospf
->rx_lsa_count
);
596 return SNMP_INTEGER(0);
597 case OSPFEXTLSDBLIMIT
: /* 11 */
598 /* There is no limit for the number of non-default
600 return SNMP_INTEGER(-1);
601 case OSPFMULTICASTEXTENSIONS
: /* 12 */
602 /* Multicast Extensions to OSPF is not supported. */
603 return SNMP_INTEGER(0);
604 case OSPFEXITOVERFLOWINTERVAL
: /* 13 */
605 /* Overflow is not supported. */
606 return SNMP_INTEGER(0);
607 case OSPFDEMANDEXTENSIONS
: /* 14 */
608 /* Demand routing is not supported. */
609 return SNMP_INTEGER(SNMP_FALSE
);
616 static struct ospf_area
*
617 ospf_area_lookup_next(struct ospf
*ospf
, struct in_addr
*area_id
, int first
)
619 struct ospf_area
*area
;
620 struct listnode
*node
;
626 node
= listhead(ospf
->areas
);
628 area
= listgetdata(node
);
629 *area_id
= area
->area_id
;
634 for (ALL_LIST_ELEMENTS_RO(ospf
->areas
, node
, area
)) {
635 if (ntohl(area
->area_id
.s_addr
) > ntohl(area_id
->s_addr
)) {
636 *area_id
= area
->area_id
;
643 static struct ospf_area
*ospfAreaLookup(struct variable
*v
, oid name
[],
644 size_t *length
, struct in_addr
*addr
,
648 struct ospf_area
*area
;
651 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
656 /* Length is insufficient to lookup OSPF area. */
657 if (*length
- v
->namelen
!= sizeof(struct in_addr
))
660 oid2in_addr(name
+ v
->namelen
, sizeof(struct in_addr
), addr
);
662 area
= ospf_area_lookup_by_area_id(ospf
, *addr
);
666 len
= *length
- v
->namelen
;
670 oid2in_addr(name
+ v
->namelen
, len
, addr
);
672 area
= ospf_area_lookup_next(ospf
, addr
, len
== 0 ? 1 : 0);
677 oid_copy_addr(name
+ v
->namelen
, addr
, sizeof(struct in_addr
));
678 *length
= sizeof(struct in_addr
) + v
->namelen
;
685 static uint8_t *ospfAreaEntry(struct variable
*v
, oid
*name
, size_t *length
,
686 int exact
, size_t *var_len
,
687 WriteMethod
**write_method
)
689 struct ospf_area
*area
;
692 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
696 memset(&addr
, 0, sizeof(struct in_addr
));
698 area
= ospfAreaLookup(v
, name
, length
, &addr
, exact
);
702 /* Return the current value of the variable */
704 case OSPFAREAID
: /* 1 */
705 return SNMP_IPADDRESS(area
->area_id
);
706 case OSPFAUTHTYPE
: /* 2 */
707 return SNMP_INTEGER(area
->auth_type
);
708 case OSPFIMPORTASEXTERN
: /* 3 */
709 return SNMP_INTEGER(area
->external_routing
+ 1);
710 case OSPFSPFRUNS
: /* 4 */
711 return SNMP_INTEGER(area
->spf_calculation
);
712 case OSPFAREABDRRTRCOUNT
: /* 5 */
713 return SNMP_INTEGER(area
->abr_count
);
714 case OSPFASBDRRTRCOUNT
: /* 6 */
715 return SNMP_INTEGER(area
->asbr_count
);
716 case OSPFAREALSACOUNT
: /* 7 */
717 return SNMP_INTEGER(area
->lsdb
->total
);
718 case OSPFAREALSACKSUMSUM
: /* 8 */
719 return SNMP_INTEGER(0);
720 case OSPFAREASUMMARY
: /* 9 */
721 #define OSPF_noAreaSummary 1
722 #define OSPF_sendAreaSummary 2
723 if (area
->no_summary
)
724 return SNMP_INTEGER(OSPF_noAreaSummary
);
726 return SNMP_INTEGER(OSPF_sendAreaSummary
);
727 case OSPFAREASTATUS
: /* 10 */
728 return SNMP_INTEGER(SNMP_VALID
);
735 static struct ospf_area
*ospf_stub_area_lookup_next(struct in_addr
*area_id
,
738 struct ospf_area
*area
;
739 struct listnode
*node
;
742 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
746 for (ALL_LIST_ELEMENTS_RO(ospf
->areas
, node
, area
)) {
747 if (area
->external_routing
== OSPF_AREA_STUB
) {
749 *area_id
= area
->area_id
;
751 } else if (ntohl(area
->area_id
.s_addr
)
752 > ntohl(area_id
->s_addr
)) {
753 *area_id
= area
->area_id
;
761 static struct ospf_area
*ospfStubAreaLookup(struct variable
*v
, oid name
[],
763 struct in_addr
*addr
, int exact
)
766 struct ospf_area
*area
;
769 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
775 /* ospfStubAreaID + ospfStubTOS. */
776 if (*length
!= v
->namelen
+ sizeof(struct in_addr
) + 1)
779 /* Check ospfStubTOS is zero. */
780 if (name
[*length
- 1] != 0)
783 oid2in_addr(name
+ v
->namelen
, sizeof(struct in_addr
), addr
);
785 area
= ospf_area_lookup_by_area_id(ospf
, *addr
);
787 if (area
&& area
->external_routing
== OSPF_AREA_STUB
)
792 len
= *length
- v
->namelen
;
796 oid2in_addr(name
+ v
->namelen
, len
, addr
);
798 area
= ospf_stub_area_lookup_next(addr
, len
== 0 ? 1 : 0);
803 oid_copy_addr(name
+ v
->namelen
, addr
, sizeof(struct in_addr
));
805 name
[v
->namelen
+ sizeof(struct in_addr
)] = 0;
806 *length
= v
->namelen
+ sizeof(struct in_addr
) + 1;
813 static uint8_t *ospfStubAreaEntry(struct variable
*v
, oid
*name
, size_t *length
,
814 int exact
, size_t *var_len
,
815 WriteMethod
**write_method
)
817 struct ospf_area
*area
;
820 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
824 memset(&addr
, 0, sizeof(struct in_addr
));
826 area
= ospfStubAreaLookup(v
, name
, length
, &addr
, exact
);
830 /* Return the current value of the variable */
832 case OSPFSTUBAREAID
: /* 1 */
833 /* OSPF stub area id. */
834 return SNMP_IPADDRESS(area
->area_id
);
835 case OSPFSTUBTOS
: /* 2 */
836 /* TOS value is not supported. */
837 return SNMP_INTEGER(0);
838 case OSPFSTUBMETRIC
: /* 3 */
839 /* Default cost to stub area. */
840 return SNMP_INTEGER(area
->default_cost
);
841 case OSPFSTUBSTATUS
: /* 4 */
842 /* Status of the stub area. */
843 return SNMP_INTEGER(SNMP_VALID
);
844 case OSPFSTUBMETRICTYPE
: /* 5 */
845 /* OSPF Metric type. */
846 #define OSPF_ospfMetric 1
847 #define OSPF_comparableCost 2
848 #define OSPF_nonComparable 3
849 return SNMP_INTEGER(OSPF_ospfMetric
);
856 static struct ospf_lsa
*lsdb_lookup_next(struct ospf_area
*area
, uint8_t *type
,
857 int type_next
, struct in_addr
*ls_id
,
859 struct in_addr
*router_id
,
862 struct ospf_lsa
*lsa
;
870 /* Sanity check, if LSA type unknwon
871 merley skip any LSA */
872 if ((i
< OSPF_MIN_LSA
) || (i
>= OSPF_MAX_LSA
)) {
873 zlog_debug("Strange request with LSA type %d", i
);
877 for (; i
< OSPF_MAX_LSA
; i
++) {
880 lsa
= ospf_lsdb_lookup_by_id_next(area
->lsdb
, *type
, *ls_id
,
881 *router_id
, ls_id_next
);
890 static struct ospf_lsa
*ospfLsdbLookup(struct variable
*v
, oid
*name
,
891 size_t *length
, struct in_addr
*area_id
,
892 uint8_t *type
, struct in_addr
*ls_id
,
893 struct in_addr
*router_id
, int exact
)
896 struct ospf_area
*area
;
897 struct ospf_lsa
*lsa
;
905 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
907 #define OSPF_LSDB_ENTRY_OFFSET (IN_ADDR_SIZE + 1 + IN_ADDR_SIZE + IN_ADDR_SIZE)
910 /* Area ID + Type + LS ID + Router ID. */
911 if (*length
- v
->namelen
!= OSPF_LSDB_ENTRY_OFFSET
)
914 /* Set OID offset for Area ID. */
915 offset
= name
+ v
->namelen
;
917 /* Lookup area first. */
918 oid2in_addr(offset
, IN_ADDR_SIZE
, area_id
);
919 area
= ospf_area_lookup_by_area_id(ospf
, *area_id
);
922 offset
+= IN_ADDR_SIZE
;
929 oid2in_addr(offset
, IN_ADDR_SIZE
, ls_id
);
930 offset
+= IN_ADDR_SIZE
;
933 oid2in_addr(offset
, IN_ADDR_SIZE
, router_id
);
936 return ospf_lsdb_lookup_by_id(area
->lsdb
, *type
, *ls_id
,
939 /* Get variable length. */
940 offset
= name
+ v
->namelen
;
941 offsetlen
= *length
- v
->namelen
;
944 if (len
> (int)IN_ADDR_SIZE
)
947 oid2in_addr(offset
, len
, area_id
);
949 /* First we search area. */
950 if (len
== IN_ADDR_SIZE
)
951 area
= ospf_area_lookup_by_area_id(ospf
, *area_id
);
953 area
= ospf_area_lookup_next(ospf
, area_id
, 1);
959 /* Next we lookup type. */
980 if (len
> (int)IN_ADDR_SIZE
)
983 oid2in_addr(offset
, len
, ls_id
);
987 offset
+= IN_ADDR_SIZE
;
988 offsetlen
-= IN_ADDR_SIZE
;
995 if (len
> (int)IN_ADDR_SIZE
)
998 oid2in_addr(offset
, len
, router_id
);
1001 lsa
= lsdb_lookup_next(area
, type
, type_next
, ls_id
,
1002 ls_id_next
, router_id
,
1006 /* Fill in length. */
1007 *length
= v
->namelen
+ OSPF_LSDB_ENTRY_OFFSET
;
1009 /* Fill in value. */
1010 offset
= name
+ v
->namelen
;
1011 oid_copy_addr(offset
, area_id
, IN_ADDR_SIZE
);
1012 offset
+= IN_ADDR_SIZE
;
1013 *offset
= lsa
->data
->type
;
1015 oid_copy_addr(offset
, &lsa
->data
->id
,
1017 offset
+= IN_ADDR_SIZE
;
1018 oid_copy_addr(offset
, &lsa
->data
->adv_router
,
1023 } while ((area
= ospf_area_lookup_next(ospf
, area_id
, 0))
1029 static uint8_t *ospfLsdbEntry(struct variable
*v
, oid
*name
, size_t *length
,
1030 int exact
, size_t *var_len
,
1031 WriteMethod
**write_method
)
1033 struct ospf_lsa
*lsa
;
1034 struct lsa_header
*lsah
;
1035 struct in_addr area_id
;
1037 struct in_addr ls_id
;
1038 struct in_addr router_id
;
1041 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
1045 /* INDEX { ospfLsdbAreaId, ospfLsdbType,
1046 ospfLsdbLsid, ospfLsdbRouterId } */
1048 memset(&area_id
, 0, sizeof(struct in_addr
));
1050 memset(&ls_id
, 0, sizeof(struct in_addr
));
1051 memset(&router_id
, 0, sizeof(struct in_addr
));
1053 /* Check OSPF instance. */
1054 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1058 lsa
= ospfLsdbLookup(v
, name
, length
, &area_id
, &type
, &ls_id
,
1065 /* Return the current value of the variable */
1067 case OSPFLSDBAREAID
: /* 1 */
1068 return SNMP_IPADDRESS(lsa
->area
->area_id
);
1069 case OSPFLSDBTYPE
: /* 2 */
1070 return SNMP_INTEGER(lsah
->type
);
1071 case OSPFLSDBLSID
: /* 3 */
1072 return SNMP_IPADDRESS(lsah
->id
);
1073 case OSPFLSDBROUTERID
: /* 4 */
1074 return SNMP_IPADDRESS(lsah
->adv_router
);
1075 case OSPFLSDBSEQUENCE
: /* 5 */
1076 return SNMP_INTEGER(lsah
->ls_seqnum
);
1077 case OSPFLSDBAGE
: /* 6 */
1078 return SNMP_INTEGER(lsah
->ls_age
);
1079 case OSPFLSDBCHECKSUM
: /* 7 */
1080 return SNMP_INTEGER(lsah
->checksum
);
1081 case OSPFLSDBADVERTISEMENT
: /* 8 */
1082 *var_len
= ntohs(lsah
->length
);
1083 return (uint8_t *)lsah
;
1090 static struct ospf_area_range
*ospfAreaRangeLookup(struct variable
*v
,
1091 oid
*name
, size_t *length
,
1092 struct in_addr
*area_id
,
1093 struct in_addr
*range_net
,
1100 struct ospf_area
*area
;
1101 struct ospf_area_range
*range
;
1102 struct prefix_ipv4 p
;
1104 p
.prefixlen
= IPV4_MAX_BITLEN
;
1106 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1109 /* Area ID + Range Network. */
1110 if (v
->namelen
+ IN_ADDR_SIZE
+ IN_ADDR_SIZE
!= *length
)
1113 /* Set OID offset for Area ID. */
1114 offset
= name
+ v
->namelen
;
1116 /* Lookup area first. */
1117 oid2in_addr(offset
, IN_ADDR_SIZE
, area_id
);
1119 area
= ospf_area_lookup_by_area_id(ospf
, *area_id
);
1123 offset
+= IN_ADDR_SIZE
;
1125 /* Lookup area range. */
1126 oid2in_addr(offset
, IN_ADDR_SIZE
, range_net
);
1127 p
.prefix
= *range_net
;
1129 return ospf_area_range_lookup(area
, &p
);
1131 /* Set OID offset for Area ID. */
1132 offset
= name
+ v
->namelen
;
1133 offsetlen
= *length
- v
->namelen
;
1136 if (len
> (int)IN_ADDR_SIZE
)
1139 oid2in_addr(offset
, len
, area_id
);
1141 /* First we search area. */
1142 if (len
== IN_ADDR_SIZE
)
1143 area
= ospf_area_lookup_by_area_id(ospf
, *area_id
);
1145 area
= ospf_area_lookup_next(ospf
, area_id
,
1152 offset
+= IN_ADDR_SIZE
;
1153 offsetlen
-= IN_ADDR_SIZE
;
1158 if (len
> (int)IN_ADDR_SIZE
)
1161 oid2in_addr(offset
, len
, range_net
);
1163 range
= ospf_area_range_lookup_next(area
, range_net
,
1167 /* Fill in length. */
1168 *length
= v
->namelen
+ IN_ADDR_SIZE
1171 /* Fill in value. */
1172 offset
= name
+ v
->namelen
;
1173 oid_copy_addr(offset
, area_id
, IN_ADDR_SIZE
);
1174 offset
+= IN_ADDR_SIZE
;
1175 oid_copy_addr(offset
, range_net
, IN_ADDR_SIZE
);
1179 } while ((area
= ospf_area_lookup_next(ospf
, area_id
, 0))
1185 static uint8_t *ospfAreaRangeEntry(struct variable
*v
, oid
*name
,
1186 size_t *length
, int exact
, size_t *var_len
,
1187 WriteMethod
**write_method
)
1189 struct ospf_area_range
*range
;
1190 struct in_addr area_id
;
1191 struct in_addr range_net
;
1192 struct in_addr mask
;
1195 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
1199 /* Check OSPF instance. */
1200 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1204 memset(&area_id
, 0, IN_ADDR_SIZE
);
1205 memset(&range_net
, 0, IN_ADDR_SIZE
);
1207 range
= ospfAreaRangeLookup(v
, name
, length
, &area_id
, &range_net
,
1212 /* Convert prefixlen to network mask format. */
1213 masklen2ip(range
->subst_masklen
, &mask
);
1215 /* Return the current value of the variable */
1217 case OSPFAREARANGEAREAID
: /* 1 */
1218 return SNMP_IPADDRESS(area_id
);
1219 case OSPFAREARANGENET
: /* 2 */
1220 return SNMP_IPADDRESS(range_net
);
1221 case OSPFAREARANGEMASK
: /* 3 */
1222 return SNMP_IPADDRESS(mask
);
1223 case OSPFAREARANGESTATUS
: /* 4 */
1224 return SNMP_INTEGER(SNMP_VALID
);
1225 case OSPFAREARANGEEFFECT
: /* 5 */
1226 #define OSPF_advertiseMatching 1
1227 #define OSPF_doNotAdvertiseMatching 2
1228 return SNMP_INTEGER(OSPF_advertiseMatching
);
1235 static struct ospf_nbr_nbma
*ospfHostLookup(struct variable
*v
, oid
*name
,
1237 struct in_addr
*addr
, int exact
)
1239 struct ospf_nbr_nbma
*nbr_nbma
;
1242 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1247 /* INDEX { ospfHostIpAddress, ospfHostTOS } */
1248 if (*length
!= v
->namelen
+ IN_ADDR_SIZE
+ 1)
1251 /* Check ospfHostTOS. */
1252 if (name
[*length
- 1] != 0)
1255 oid2in_addr(name
+ v
->namelen
, IN_ADDR_SIZE
, addr
);
1257 nbr_nbma
= ospf_nbr_nbma_lookup(ospf
, *addr
);
1265 static uint8_t *ospfHostEntry(struct variable
*v
, oid
*name
, size_t *length
,
1266 int exact
, size_t *var_len
,
1267 WriteMethod
**write_method
)
1269 struct ospf_nbr_nbma
*nbr_nbma
;
1270 struct ospf_interface
*oi
;
1271 struct in_addr addr
;
1274 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
1278 /* Check OSPF instance. */
1279 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1283 memset(&addr
, 0, sizeof(struct in_addr
));
1285 nbr_nbma
= ospfHostLookup(v
, name
, length
, &addr
, exact
);
1286 if (nbr_nbma
== NULL
)
1291 /* Return the current value of the variable */
1293 case OSPFHOSTIPADDRESS
: /* 1 */
1294 return SNMP_IPADDRESS(nbr_nbma
->addr
);
1295 case OSPFHOSTTOS
: /* 2 */
1296 return SNMP_INTEGER(0);
1297 case OSPFHOSTMETRIC
: /* 3 */
1299 return SNMP_INTEGER(oi
->output_cost
);
1301 return SNMP_INTEGER(1);
1302 case OSPFHOSTSTATUS
: /* 4 */
1303 return SNMP_INTEGER(SNMP_VALID
);
1304 case OSPFHOSTAREAID
: /* 5 */
1306 return SNMP_IPADDRESS(oi
->area
->area_id
);
1308 return SNMP_IPADDRESS(ospf_empty_addr
);
1315 static struct list
*ospf_snmp_iflist
;
1317 struct ospf_snmp_if
{
1318 struct in_addr addr
;
1320 struct interface
*ifp
;
1323 static struct ospf_snmp_if
*ospf_snmp_if_new(void)
1325 return XCALLOC(MTYPE_TMP
, sizeof(struct ospf_snmp_if
));
1328 static void ospf_snmp_if_free(struct ospf_snmp_if
*osif
)
1330 XFREE(MTYPE_TMP
, osif
);
1333 static int ospf_snmp_if_delete(struct interface
*ifp
)
1335 struct listnode
*node
, *nnode
;
1336 struct ospf_snmp_if
*osif
;
1338 for (ALL_LIST_ELEMENTS(ospf_snmp_iflist
, node
, nnode
, osif
)) {
1339 if (osif
->ifp
== ifp
) {
1340 list_delete_node(ospf_snmp_iflist
, node
);
1341 ospf_snmp_if_free(osif
);
1348 static int ospf_snmp_if_update(struct interface
*ifp
)
1350 struct listnode
*node
;
1351 struct listnode
*pn
;
1352 struct connected
*ifc
;
1354 struct ospf_snmp_if
*osif
;
1355 struct in_addr
*addr
;
1358 ospf_snmp_if_delete(ifp
);
1364 /* Lookup first IPv4 address entry. */
1365 for (ALL_LIST_ELEMENTS_RO(ifp
->connected
, node
, ifc
)) {
1366 p
= CONNECTED_ID(ifc
);
1368 if (p
->family
== AF_INET
) {
1369 addr
= &p
->u
.prefix4
;
1374 ifindex
= ifp
->ifindex
;
1376 /* Add interface to the list. */
1378 for (ALL_LIST_ELEMENTS_RO(ospf_snmp_iflist
, node
, osif
)) {
1380 /* Usual interfaces --> Sort them based on interface
1382 if (ntohl(osif
->addr
.s_addr
) > ntohl(addr
->s_addr
))
1385 /* Unnumbered interfaces --> Sort them based on
1386 * interface indexes */
1387 if (osif
->addr
.s_addr
!= INADDR_ANY
1388 || osif
->ifindex
> ifindex
)
1394 osif
= ospf_snmp_if_new();
1395 if (addr
) /* Usual interface */
1399 /* This field is used for storing ospfAddressLessIf OID value,
1400 * conform to RFC1850 OSPF-MIB specification, it must be 0 for
1401 * usual interface */
1403 } else /* Unnumbered interface */
1404 osif
->ifindex
= ifindex
;
1407 listnode_add_after(ospf_snmp_iflist
, pn
, osif
);
1411 static int ospf_snmp_is_if_have_addr(struct interface
*ifp
)
1413 struct listnode
*nn
;
1414 struct connected
*ifc
;
1416 /* Is this interface having any connected IPv4 address ? */
1417 for (ALL_LIST_ELEMENTS_RO(ifp
->connected
, nn
, ifc
)) {
1418 if (CONNECTED_PREFIX(ifc
)->family
== AF_INET
)
1425 static struct ospf_interface
*ospf_snmp_if_lookup(struct in_addr
*ifaddr
,
1428 struct listnode
*node
;
1429 struct ospf_snmp_if
*osif
;
1430 struct ospf_interface
*oi
= NULL
;
1431 struct ospf
*ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1433 for (ALL_LIST_ELEMENTS_RO(ospf_snmp_iflist
, node
, osif
)) {
1434 if (ifaddr
->s_addr
) {
1435 if (IPV4_ADDR_SAME(&osif
->addr
, ifaddr
))
1436 oi
= ospf_if_lookup_by_local_addr(
1437 ospf
, osif
->ifp
, *ifaddr
);
1439 if (osif
->ifindex
== *ifindex
)
1440 oi
= ospf_if_lookup_by_local_addr(
1441 ospf
, osif
->ifp
, *ifaddr
);
1447 static struct ospf_interface
*ospf_snmp_if_lookup_next(struct in_addr
*ifaddr
,
1450 ifindex_t ifindex_next
)
1452 struct ospf_snmp_if
*osif
;
1453 struct listnode
*nn
;
1454 struct ospf
*ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1455 struct ospf_interface
*oi
= NULL
;
1460 /* No instance is specified --> Return the first OSPF interface */
1462 for (ALL_LIST_ELEMENTS_RO(ospf_snmp_iflist
, nn
, osif
)) {
1463 osif
= listgetdata(nn
);
1464 *ifaddr
= osif
->addr
;
1465 *ifindex
= osif
->ifindex
;
1466 /* Because no instance is specified, we don't care about
1468 * interface (usual or unnumbered), just returning the
1471 oi
= ospf_if_lookup_by_local_addr(ospf
, osif
->ifp
,
1479 /* An instance is specified --> Return the next OSPF interface */
1480 for (ALL_LIST_ELEMENTS_RO(ospf_snmp_iflist
, nn
, osif
)) {
1481 /* Usual interface */
1482 if (ifaddr
->s_addr
) {
1483 /* The interface must have valid AF_INET connected
1485 /* it must have lager IPv4 address value than the lookup
1487 if ((ospf_snmp_is_if_have_addr(osif
->ifp
))
1488 && (ntohl(osif
->addr
.s_addr
)
1489 > ntohl(ifaddr
->s_addr
))) {
1490 *ifaddr
= osif
->addr
;
1491 *ifindex
= osif
->ifindex
;
1493 /* and it must be an OSPF interface */
1494 oi
= ospf_if_lookup_by_local_addr(
1495 ospf
, osif
->ifp
, *ifaddr
);
1500 /* Unnumbered interface */
1502 /* The interface must NOT have valid AF_INET connected
1504 /* it must have lager interface index than the lookup
1506 if ((!ospf_snmp_is_if_have_addr(osif
->ifp
))
1507 && (osif
->ifindex
> *ifindex
)) {
1508 *ifaddr
= osif
->addr
;
1509 *ifindex
= osif
->ifindex
;
1511 /* and it must be an OSPF interface */
1512 oi
= ospf_if_lookup_by_local_addr(ospf
, osif
->ifp
,
1521 static int ospf_snmp_iftype(struct interface
*ifp
)
1523 #define ospf_snmp_iftype_broadcast 1
1524 #define ospf_snmp_iftype_nbma 2
1525 #define ospf_snmp_iftype_pointToPoint 3
1526 #define ospf_snmp_iftype_pointToMultipoint 5
1527 if (if_is_broadcast(ifp
))
1528 return ospf_snmp_iftype_broadcast
;
1529 if (if_is_pointopoint(ifp
))
1530 return ospf_snmp_iftype_pointToPoint
;
1531 return ospf_snmp_iftype_broadcast
;
1534 static struct ospf_interface
*ospfIfLookup(struct variable
*v
, oid
*name
,
1536 struct in_addr
*ifaddr
,
1537 ifindex_t
*ifindex
, int exact
)
1540 int ifaddr_next
= 0;
1541 ifindex_t ifindex_next
= 0;
1542 struct ospf_interface
*oi
;
1546 if (*length
!= v
->namelen
+ IN_ADDR_SIZE
+ 1)
1549 oid2in_addr(name
+ v
->namelen
, IN_ADDR_SIZE
, ifaddr
);
1550 *ifindex
= name
[v
->namelen
+ IN_ADDR_SIZE
];
1552 return ospf_snmp_if_lookup(ifaddr
, ifindex
);
1554 len
= *length
- v
->namelen
;
1555 if (len
>= IN_ADDR_SIZE
)
1560 oid2in_addr(name
+ v
->namelen
, len
, ifaddr
);
1562 len
= *length
- v
->namelen
- IN_ADDR_SIZE
;
1569 *ifindex
= name
[v
->namelen
+ IN_ADDR_SIZE
];
1571 oi
= ospf_snmp_if_lookup_next(ifaddr
, ifindex
, ifaddr_next
,
1574 *length
= v
->namelen
+ IN_ADDR_SIZE
+ 1;
1575 offset
= name
+ v
->namelen
;
1576 oid_copy_addr(offset
, ifaddr
, IN_ADDR_SIZE
);
1577 offset
+= IN_ADDR_SIZE
;
1585 static uint8_t *ospfIfEntry(struct variable
*v
, oid
*name
, size_t *length
,
1586 int exact
, size_t *var_len
,
1587 WriteMethod
**write_method
)
1590 struct in_addr ifaddr
;
1591 struct ospf_interface
*oi
;
1594 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
1599 memset(&ifaddr
, 0, sizeof(struct in_addr
));
1601 /* Check OSPF instance. */
1602 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1606 oi
= ospfIfLookup(v
, name
, length
, &ifaddr
, &ifindex
, exact
);
1610 /* Return the current value of the variable */
1612 case OSPFIFIPADDRESS
: /* 1 */
1613 return SNMP_IPADDRESS(ifaddr
);
1614 case OSPFADDRESSLESSIF
: /* 2 */
1615 return SNMP_INTEGER(ifindex
);
1616 case OSPFIFAREAID
: /* 3 */
1618 return SNMP_IPADDRESS(oi
->area
->area_id
);
1620 return SNMP_IPADDRESS(ospf_empty_addr
);
1621 case OSPFIFTYPE
: /* 4 */
1622 return SNMP_INTEGER(ospf_snmp_iftype(oi
->ifp
));
1623 case OSPFIFADMINSTAT
: /* 5 */
1625 return SNMP_INTEGER(OSPF_STATUS_ENABLED
);
1627 return SNMP_INTEGER(OSPF_STATUS_DISABLED
);
1628 case OSPFIFRTRPRIORITY
: /* 6 */
1629 return SNMP_INTEGER(PRIORITY(oi
));
1630 case OSPFIFTRANSITDELAY
: /* 7 */
1631 return SNMP_INTEGER(OSPF_IF_PARAM(oi
, transmit_delay
));
1632 case OSPFIFRETRANSINTERVAL
: /* 8 */
1633 return SNMP_INTEGER(OSPF_IF_PARAM(oi
, retransmit_interval
));
1634 case OSPFIFHELLOINTERVAL
: /* 9 */
1635 return SNMP_INTEGER(OSPF_IF_PARAM(oi
, v_hello
));
1636 case OSPFIFRTRDEADINTERVAL
: /* 10 */
1637 return SNMP_INTEGER(OSPF_IF_PARAM(oi
, v_wait
));
1638 case OSPFIFPOLLINTERVAL
: /* 11 */
1639 return SNMP_INTEGER(OSPF_POLL_INTERVAL_DEFAULT
);
1640 case OSPFIFSTATE
: /* 12 */
1641 return SNMP_INTEGER(ISM_SNMP(oi
->state
));
1642 case OSPFIFDESIGNATEDROUTER
: /* 13 */
1643 return SNMP_IPADDRESS(DR(oi
));
1644 case OSPFIFBACKUPDESIGNATEDROUTER
: /* 14 */
1645 return SNMP_IPADDRESS(BDR(oi
));
1646 case OSPFIFEVENTS
: /* 15 */
1647 return SNMP_INTEGER(oi
->state_change
);
1648 case OSPFIFAUTHKEY
: /* 16 */
1650 return (uint8_t *)OSPF_IF_PARAM(oi
, auth_simple
);
1651 case OSPFIFSTATUS
: /* 17 */
1652 return SNMP_INTEGER(SNMP_VALID
);
1653 case OSPFIFMULTICASTFORWARDING
: /* 18 */
1654 #define ospf_snmp_multiforward_blocked 1
1655 #define ospf_snmp_multiforward_multicast 2
1656 #define ospf_snmp_multiforward_unicast 3
1657 return SNMP_INTEGER(ospf_snmp_multiforward_blocked
);
1658 case OSPFIFDEMAND
: /* 19 */
1659 return SNMP_INTEGER(SNMP_FALSE
);
1660 case OSPFIFAUTHTYPE
: /* 20 */
1662 return SNMP_INTEGER(oi
->area
->auth_type
);
1664 return SNMP_INTEGER(0);
1671 #define OSPF_SNMP_METRIC_VALUE 1
1673 static struct ospf_interface
*ospfIfMetricLookup(struct variable
*v
, oid
*name
,
1675 struct in_addr
*ifaddr
,
1676 ifindex_t
*ifindex
, int exact
)
1679 int ifaddr_next
= 0;
1680 ifindex_t ifindex_next
= 0;
1681 struct ospf_interface
*oi
;
1686 if (*length
!= v
->namelen
+ IN_ADDR_SIZE
+ 1 + 1)
1689 oid2in_addr(name
+ v
->namelen
, IN_ADDR_SIZE
, ifaddr
);
1690 *ifindex
= name
[v
->namelen
+ IN_ADDR_SIZE
];
1691 metric
= name
[v
->namelen
+ IN_ADDR_SIZE
+ 1];
1693 if (metric
!= OSPF_SNMP_METRIC_VALUE
)
1696 return ospf_snmp_if_lookup(ifaddr
, ifindex
);
1698 len
= *length
- v
->namelen
;
1699 if (len
>= IN_ADDR_SIZE
)
1704 oid2in_addr(name
+ v
->namelen
, len
, ifaddr
);
1706 len
= *length
- v
->namelen
- IN_ADDR_SIZE
;
1713 *ifindex
= name
[v
->namelen
+ IN_ADDR_SIZE
];
1715 oi
= ospf_snmp_if_lookup_next(ifaddr
, ifindex
, ifaddr_next
,
1718 *length
= v
->namelen
+ IN_ADDR_SIZE
+ 1 + 1;
1719 offset
= name
+ v
->namelen
;
1720 oid_copy_addr(offset
, ifaddr
, IN_ADDR_SIZE
);
1721 offset
+= IN_ADDR_SIZE
;
1724 *offset
= OSPF_SNMP_METRIC_VALUE
;
1731 static uint8_t *ospfIfMetricEntry(struct variable
*v
, oid
*name
, size_t *length
,
1732 int exact
, size_t *var_len
,
1733 WriteMethod
**write_method
)
1735 /* Currently we support metric 1 only. */
1737 struct in_addr ifaddr
;
1738 struct ospf_interface
*oi
;
1741 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
1746 memset(&ifaddr
, 0, sizeof(struct in_addr
));
1748 /* Check OSPF instance. */
1749 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1753 oi
= ospfIfMetricLookup(v
, name
, length
, &ifaddr
, &ifindex
, exact
);
1757 /* Return the current value of the variable */
1759 case OSPFIFMETRICIPADDRESS
:
1760 return SNMP_IPADDRESS(ifaddr
);
1761 case OSPFIFMETRICADDRESSLESSIF
:
1762 return SNMP_INTEGER(ifindex
);
1763 case OSPFIFMETRICTOS
:
1764 return SNMP_INTEGER(0);
1765 case OSPFIFMETRICVALUE
:
1766 return SNMP_INTEGER(OSPF_SNMP_METRIC_VALUE
);
1767 case OSPFIFMETRICSTATUS
:
1768 return SNMP_INTEGER(1);
1775 static struct route_table
*ospf_snmp_vl_table
;
1777 static int ospf_snmp_vl_add(struct ospf_vl_data
*vl_data
)
1779 struct prefix_ls lp
;
1780 struct route_node
*rn
;
1782 memset(&lp
, 0, sizeof(struct prefix_ls
));
1785 lp
.id
= vl_data
->vl_area_id
;
1786 lp
.adv_router
= vl_data
->vl_peer
;
1788 rn
= route_node_get(ospf_snmp_vl_table
, (struct prefix
*)&lp
);
1790 route_unlock_node(rn
);
1796 static int ospf_snmp_vl_delete(struct ospf_vl_data
*vl_data
)
1798 struct prefix_ls lp
;
1799 struct route_node
*rn
;
1801 memset(&lp
, 0, sizeof(struct prefix_ls
));
1804 lp
.id
= vl_data
->vl_area_id
;
1805 lp
.adv_router
= vl_data
->vl_peer
;
1807 rn
= route_node_lookup(ospf_snmp_vl_table
, (struct prefix
*)&lp
);
1811 route_unlock_node(rn
);
1812 route_unlock_node(rn
);
1816 static struct ospf_vl_data
*ospf_snmp_vl_lookup(struct in_addr
*area_id
,
1817 struct in_addr
*neighbor
)
1819 struct prefix_ls lp
;
1820 struct route_node
*rn
;
1821 struct ospf_vl_data
*vl_data
;
1823 memset(&lp
, 0, sizeof(struct prefix_ls
));
1827 lp
.adv_router
= *neighbor
;
1829 rn
= route_node_lookup(ospf_snmp_vl_table
, (struct prefix
*)&lp
);
1832 route_unlock_node(rn
);
1838 static struct ospf_vl_data
*ospf_snmp_vl_lookup_next(struct in_addr
*area_id
,
1839 struct in_addr
*neighbor
,
1842 struct prefix_ls lp
;
1843 struct route_node
*rn
;
1844 struct ospf_vl_data
*vl_data
;
1846 memset(&lp
, 0, sizeof(struct prefix_ls
));
1850 lp
.adv_router
= *neighbor
;
1853 rn
= route_top(ospf_snmp_vl_table
);
1855 rn
= route_node_get(ospf_snmp_vl_table
, (struct prefix
*)&lp
);
1856 rn
= route_next(rn
);
1859 for (; rn
; rn
= route_next(rn
))
1863 if (rn
&& rn
->info
) {
1865 *area_id
= vl_data
->vl_area_id
;
1866 *neighbor
= vl_data
->vl_peer
;
1867 route_unlock_node(rn
);
1873 static struct ospf_vl_data
*
1874 ospfVirtIfLookup(struct variable
*v
, oid
*name
, size_t *length
,
1875 struct in_addr
*area_id
, struct in_addr
*neighbor
, int exact
)
1879 struct ospf_vl_data
*vl_data
;
1882 if (*length
!= v
->namelen
+ IN_ADDR_SIZE
+ IN_ADDR_SIZE
)
1885 oid2in_addr(name
+ v
->namelen
, IN_ADDR_SIZE
, area_id
);
1886 oid2in_addr(name
+ v
->namelen
+ IN_ADDR_SIZE
, IN_ADDR_SIZE
,
1889 return ospf_snmp_vl_lookup(area_id
, neighbor
);
1893 len
= *length
- v
->namelen
;
1896 if (len
> IN_ADDR_SIZE
)
1898 oid2in_addr(name
+ v
->namelen
, len
, area_id
);
1900 len
= *length
- v
->namelen
- IN_ADDR_SIZE
;
1901 if (len
> IN_ADDR_SIZE
)
1903 oid2in_addr(name
+ v
->namelen
+ IN_ADDR_SIZE
, len
, neighbor
);
1905 vl_data
= ospf_snmp_vl_lookup_next(area_id
, neighbor
, first
);
1908 *length
= v
->namelen
+ IN_ADDR_SIZE
+ IN_ADDR_SIZE
;
1909 oid_copy_addr(name
+ v
->namelen
, area_id
, IN_ADDR_SIZE
);
1910 oid_copy_addr(name
+ v
->namelen
+ IN_ADDR_SIZE
,
1911 neighbor
, IN_ADDR_SIZE
);
1918 static uint8_t *ospfVirtIfEntry(struct variable
*v
, oid
*name
, size_t *length
,
1919 int exact
, size_t *var_len
,
1920 WriteMethod
**write_method
)
1922 struct ospf_vl_data
*vl_data
;
1923 struct ospf_interface
*oi
;
1924 struct in_addr area_id
;
1925 struct in_addr neighbor
;
1927 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
1931 memset(&area_id
, 0, sizeof(struct in_addr
));
1932 memset(&neighbor
, 0, sizeof(struct in_addr
));
1934 vl_data
= ospfVirtIfLookup(v
, name
, length
, &area_id
, &neighbor
, exact
);
1937 oi
= vl_data
->vl_oi
;
1941 /* Return the current value of the variable */
1943 case OSPFVIRTIFAREAID
:
1944 return SNMP_IPADDRESS(area_id
);
1945 case OSPFVIRTIFNEIGHBOR
:
1946 return SNMP_IPADDRESS(neighbor
);
1947 case OSPFVIRTIFTRANSITDELAY
:
1948 return SNMP_INTEGER(OSPF_IF_PARAM(oi
, transmit_delay
));
1949 case OSPFVIRTIFRETRANSINTERVAL
:
1950 return SNMP_INTEGER(OSPF_IF_PARAM(oi
, retransmit_interval
));
1951 case OSPFVIRTIFHELLOINTERVAL
:
1952 return SNMP_INTEGER(OSPF_IF_PARAM(oi
, v_hello
));
1953 case OSPFVIRTIFRTRDEADINTERVAL
:
1954 return SNMP_INTEGER(OSPF_IF_PARAM(oi
, v_wait
));
1955 case OSPFVIRTIFSTATE
:
1956 return SNMP_INTEGER(oi
->state
);
1957 case OSPFVIRTIFEVENTS
:
1958 return SNMP_INTEGER(oi
->state_change
);
1959 case OSPFVIRTIFAUTHKEY
:
1961 return (uint8_t *)OSPF_IF_PARAM(oi
, auth_simple
);
1962 case OSPFVIRTIFSTATUS
:
1963 return SNMP_INTEGER(SNMP_VALID
);
1964 case OSPFVIRTIFAUTHTYPE
:
1966 return SNMP_INTEGER(oi
->area
->auth_type
);
1968 return SNMP_INTEGER(0);
1975 static struct ospf_neighbor
*ospf_snmp_nbr_lookup(struct ospf
*ospf
,
1976 struct in_addr
*nbr_addr
,
1979 struct listnode
*node
, *nnode
;
1980 struct ospf_interface
*oi
;
1981 struct ospf_neighbor
*nbr
;
1982 struct route_node
*rn
;
1984 for (ALL_LIST_ELEMENTS(ospf
->oiflist
, node
, nnode
, oi
)) {
1985 for (rn
= route_top(oi
->nbrs
); rn
; rn
= route_next(rn
))
1986 if ((nbr
= rn
->info
) != NULL
1987 && nbr
!= oi
->nbr_self
1988 /* If EXACT match is needed, provide ALL entry found
1989 && nbr->state != NSM_Down
1991 && nbr
->src
.s_addr
!= INADDR_ANY
) {
1992 if (IPV4_ADDR_SAME(&nbr
->src
, nbr_addr
)) {
1993 route_unlock_node(rn
);
2001 static struct ospf_neighbor
*ospf_snmp_nbr_lookup_next(struct in_addr
*nbr_addr
,
2005 struct listnode
*nn
;
2006 struct ospf_interface
*oi
;
2007 struct ospf_neighbor
*nbr
;
2008 struct route_node
*rn
;
2009 struct ospf_neighbor
*min
= NULL
;
2012 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
2014 for (ALL_LIST_ELEMENTS_RO(ospf
->oiflist
, nn
, oi
)) {
2015 for (rn
= route_top(oi
->nbrs
); rn
; rn
= route_next(rn
))
2016 if ((nbr
= rn
->info
) != NULL
&& nbr
!= oi
->nbr_self
2017 && nbr
->state
!= NSM_Down
2018 && nbr
->src
.s_addr
!= INADDR_ANY
) {
2022 else if (ntohl(nbr
->src
.s_addr
)
2023 < ntohl(min
->src
.s_addr
))
2025 } else if (ntohl(nbr
->src
.s_addr
)
2026 > ntohl(nbr_addr
->s_addr
)) {
2029 else if (ntohl(nbr
->src
.s_addr
)
2030 < ntohl(min
->src
.s_addr
))
2036 *nbr_addr
= min
->src
;
2043 static struct ospf_neighbor
*ospfNbrLookup(struct variable
*v
, oid
*name
,
2045 struct in_addr
*nbr_addr
,
2046 ifindex_t
*ifindex
, int exact
)
2050 struct ospf_neighbor
*nbr
;
2053 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
2059 if (*length
!= v
->namelen
+ IN_ADDR_SIZE
+ 1)
2062 oid2in_addr(name
+ v
->namelen
, IN_ADDR_SIZE
, nbr_addr
);
2063 *ifindex
= name
[v
->namelen
+ IN_ADDR_SIZE
];
2065 return ospf_snmp_nbr_lookup(ospf
, nbr_addr
, ifindex
);
2068 len
= *length
- v
->namelen
;
2073 if (len
> IN_ADDR_SIZE
)
2076 oid2in_addr(name
+ v
->namelen
, len
, nbr_addr
);
2078 len
= *length
- v
->namelen
- IN_ADDR_SIZE
;
2080 *ifindex
= name
[v
->namelen
+ IN_ADDR_SIZE
];
2082 nbr
= ospf_snmp_nbr_lookup_next(nbr_addr
, ifindex
, first
);
2085 *length
= v
->namelen
+ IN_ADDR_SIZE
+ 1;
2086 oid_copy_addr(name
+ v
->namelen
, nbr_addr
,
2088 name
[v
->namelen
+ IN_ADDR_SIZE
] = *ifindex
;
2095 /* map internal quagga neighbor states to official MIB values:
2097 ospfNbrState OBJECT-TYPE
2109 static int32_t ospf_snmp_neighbor_state(uint8_t nst
)
2127 return 1; /* down */
2131 static uint8_t *ospfNbrEntry(struct variable
*v
, oid
*name
, size_t *length
,
2132 int exact
, size_t *var_len
,
2133 WriteMethod
**write_method
)
2135 struct in_addr nbr_addr
;
2137 struct ospf_neighbor
*nbr
;
2138 struct ospf_interface
*oi
;
2140 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
2144 memset(&nbr_addr
, 0, sizeof(struct in_addr
));
2147 nbr
= ospfNbrLookup(v
, name
, length
, &nbr_addr
, &ifindex
, exact
);
2152 /* Return the current value of the variable */
2155 return SNMP_IPADDRESS(nbr_addr
);
2156 case OSPFNBRADDRESSLESSINDEX
:
2157 return SNMP_INTEGER(ifindex
);
2159 return SNMP_IPADDRESS(nbr
->router_id
);
2160 case OSPFNBROPTIONS
:
2161 return SNMP_INTEGER(oi
->nbr_self
->options
);
2162 case OSPFNBRPRIORITY
:
2163 return SNMP_INTEGER(nbr
->priority
);
2165 return SNMP_INTEGER(ospf_snmp_neighbor_state(nbr
->state
));
2167 return SNMP_INTEGER(nbr
->state_change
);
2168 case OSPFNBRLSRETRANSQLEN
:
2169 return SNMP_INTEGER(ospf_ls_retransmit_count(nbr
));
2170 case OSPFNBMANBRSTATUS
:
2171 return SNMP_INTEGER(SNMP_VALID
);
2172 case OSPFNBMANBRPERMANENCE
:
2173 return SNMP_INTEGER(2);
2174 case OSPFNBRHELLOSUPPRESSED
:
2175 return SNMP_INTEGER(SNMP_FALSE
);
2182 static uint8_t *ospfVirtNbrEntry(struct variable
*v
, oid
*name
, size_t *length
,
2183 int exact
, size_t *var_len
,
2184 WriteMethod
**write_method
)
2186 struct ospf_vl_data
*vl_data
;
2187 struct in_addr area_id
;
2188 struct in_addr neighbor
;
2191 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
2195 memset(&area_id
, 0, sizeof(struct in_addr
));
2196 memset(&neighbor
, 0, sizeof(struct in_addr
));
2198 /* Check OSPF instance. */
2199 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
2203 vl_data
= ospfVirtIfLookup(v
, name
, length
, &area_id
, &neighbor
, exact
);
2207 /* Return the current value of the variable */
2209 case OSPFVIRTNBRAREA
:
2210 return (uint8_t *)NULL
;
2211 case OSPFVIRTNBRRTRID
:
2212 return (uint8_t *)NULL
;
2213 case OSPFVIRTNBRIPADDR
:
2214 return (uint8_t *)NULL
;
2215 case OSPFVIRTNBROPTIONS
:
2216 return (uint8_t *)NULL
;
2217 case OSPFVIRTNBRSTATE
:
2218 return (uint8_t *)NULL
;
2219 case OSPFVIRTNBREVENTS
:
2220 return (uint8_t *)NULL
;
2221 case OSPFVIRTNBRLSRETRANSQLEN
:
2222 return (uint8_t *)NULL
;
2223 case OSPFVIRTNBRHELLOSUPPRESSED
:
2224 return (uint8_t *)NULL
;
2231 static struct ospf_lsa
*ospfExtLsdbLookup(struct variable
*v
, oid
*name
,
2232 size_t *length
, uint8_t *type
,
2233 struct in_addr
*ls_id
,
2234 struct in_addr
*router_id
, int exact
)
2241 struct ospf_lsa
*lsa
;
2244 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
2246 if (*length
!= v
->namelen
+ 1 + IN_ADDR_SIZE
+ IN_ADDR_SIZE
)
2249 offset
= name
+ v
->namelen
;
2251 /* Make it sure given value match to type. */
2255 if (lsa_type
!= *type
)
2259 oid2in_addr(offset
, IN_ADDR_SIZE
, ls_id
);
2260 offset
+= IN_ADDR_SIZE
;
2263 oid2in_addr(offset
, IN_ADDR_SIZE
, router_id
);
2265 return ospf_lsdb_lookup_by_id(ospf
->lsdb
, *type
, *ls_id
,
2268 /* Get variable length. */
2270 offset
= name
+ v
->namelen
;
2271 offsetlen
= *length
- v
->namelen
;
2273 /* LSA type value. */
2278 if (offsetlen
<= 0 || lsa_type
< OSPF_AS_EXTERNAL_LSA
)
2283 if (len
> IN_ADDR_SIZE
)
2286 oid2in_addr(offset
, len
, ls_id
);
2288 offset
+= IN_ADDR_SIZE
;
2289 offsetlen
-= IN_ADDR_SIZE
;
2293 if (len
> IN_ADDR_SIZE
)
2296 oid2in_addr(offset
, len
, router_id
);
2298 lsa
= ospf_lsdb_lookup_by_id_next(ospf
->lsdb
, *type
, *ls_id
,
2302 /* Fill in length. */
2303 *length
= v
->namelen
+ 1 + IN_ADDR_SIZE
+ IN_ADDR_SIZE
;
2305 /* Fill in value. */
2306 offset
= name
+ v
->namelen
;
2308 *offset
= OSPF_AS_EXTERNAL_LSA
;
2310 oid_copy_addr(offset
, &lsa
->data
->id
, IN_ADDR_SIZE
);
2311 offset
+= IN_ADDR_SIZE
;
2312 oid_copy_addr(offset
, &lsa
->data
->adv_router
,
2321 static uint8_t *ospfExtLsdbEntry(struct variable
*v
, oid
*name
, size_t *length
,
2322 int exact
, size_t *var_len
,
2323 WriteMethod
**write_method
)
2325 struct ospf_lsa
*lsa
;
2326 struct lsa_header
*lsah
;
2328 struct in_addr ls_id
;
2329 struct in_addr router_id
;
2332 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
2336 type
= OSPF_AS_EXTERNAL_LSA
;
2337 memset(&ls_id
, 0, sizeof(struct in_addr
));
2338 memset(&router_id
, 0, sizeof(struct in_addr
));
2340 /* Check OSPF instance. */
2341 ospf
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
2345 lsa
= ospfExtLsdbLookup(v
, name
, length
, &type
, &ls_id
, &router_id
,
2352 /* Return the current value of the variable */
2354 case OSPFEXTLSDBTYPE
:
2355 return SNMP_INTEGER(OSPF_AS_EXTERNAL_LSA
);
2356 case OSPFEXTLSDBLSID
:
2357 return SNMP_IPADDRESS(lsah
->id
);
2358 case OSPFEXTLSDBROUTERID
:
2359 return SNMP_IPADDRESS(lsah
->adv_router
);
2360 case OSPFEXTLSDBSEQUENCE
:
2361 return SNMP_INTEGER(lsah
->ls_seqnum
);
2362 case OSPFEXTLSDBAGE
:
2363 return SNMP_INTEGER(lsah
->ls_age
);
2364 case OSPFEXTLSDBCHECKSUM
:
2365 return SNMP_INTEGER(lsah
->checksum
);
2366 case OSPFEXTLSDBADVERTISEMENT
:
2367 *var_len
= ntohs(lsah
->length
);
2368 return (uint8_t *)lsah
;
2375 static uint8_t *ospfAreaAggregateEntry(struct variable
*v
, oid
*name
,
2376 size_t *length
, int exact
,
2378 WriteMethod
**write_method
)
2380 if (smux_header_table(v
, name
, length
, exact
, var_len
, write_method
)
2384 /* Return the current value of the variable */
2386 case OSPFAREAAGGREGATEAREAID
:
2387 return (uint8_t *)NULL
;
2388 case OSPFAREAAGGREGATELSDBTYPE
:
2389 return (uint8_t *)NULL
;
2390 case OSPFAREAAGGREGATENET
:
2391 return (uint8_t *)NULL
;
2392 case OSPFAREAAGGREGATEMASK
:
2393 return (uint8_t *)NULL
;
2394 case OSPFAREAAGGREGATESTATUS
:
2395 return (uint8_t *)NULL
;
2396 case OSPFAREAAGGREGATEEFFECT
:
2397 return (uint8_t *)NULL
;
2405 #define IFSTATECHANGE 16
2406 #define VIRTIFSTATECHANGE 1
2407 #define NBRSTATECHANGE 2
2408 #define VIRTNBRSTATECHANGE 3
2410 static struct trap_object ospfNbrTrapList
[] = {{-2, {1, OSPFROUTERID
}},
2411 {3, {10, 1, OSPFNBRIPADDR
}},
2412 {3, {10, 1, OSPFNBRRTRID
}},
2413 {3, {10, 1, OSPFNBRSTATE
}}};
2416 static struct trap_object ospfVirtNbrTrapList
[] = {
2418 {3, {11, 1, OSPFVIRTNBRAREA
}},
2419 {3, {11, 1, OSPFVIRTNBRRTRID
}},
2420 {3, {11, 1, OSPFVIRTNBRSTATE
}}};
2422 static struct trap_object ospfIfTrapList
[] = {{-2, {1, OSPFROUTERID
}},
2423 {3, {7, 1, OSPFIFIPADDRESS
}},
2424 {3, {7, 1, OSPFADDRESSLESSIF
}},
2425 {3, {7, 1, OSPFIFSTATE
}}};
2427 static struct trap_object ospfVirtIfTrapList
[] = {
2428 {-2, {1, OSPFROUTERID
}},
2429 {3, {9, 1, OSPFVIRTIFAREAID
}},
2430 {3, {9, 1, OSPFVIRTIFNEIGHBOR
}},
2431 {3, {9, 1, OSPFVIRTIFSTATE
}}};
2433 static void ospfTrapNbrStateChange(struct ospf_neighbor
*on
)
2435 oid index
[sizeof(oid
) * (IN_ADDR_SIZE
+ 1)];
2438 ospf_nbr_state_message(on
, msgbuf
, sizeof(msgbuf
));
2439 if (IS_DEBUG_OSPF_EVENT
)
2440 zlog_info("%s: trap sent: %pI4 now %s", __func__
,
2441 &on
->address
.u
.prefix4
, msgbuf
);
2443 oid_copy_addr(index
, &(on
->address
.u
.prefix4
), IN_ADDR_SIZE
);
2444 index
[IN_ADDR_SIZE
] = 0;
2446 smux_trap(ospf_variables
, array_size(ospf_variables
), ospf_trap_oid
,
2447 array_size(ospf_trap_oid
), ospf_oid
,
2448 sizeof(ospf_oid
) / sizeof(oid
), index
, IN_ADDR_SIZE
+ 1,
2449 ospfNbrTrapList
, array_size(ospfNbrTrapList
), NBRSTATECHANGE
);
2452 static void ospfTrapVirtNbrStateChange(struct ospf_neighbor
*on
)
2454 oid index
[sizeof(oid
) * (IN_ADDR_SIZE
+ 1)];
2456 zlog_info("ospfTrapVirtNbrStateChange trap sent");
2458 oid_copy_addr(index
, &(on
->address
.u
.prefix4
), IN_ADDR_SIZE
);
2459 index
[IN_ADDR_SIZE
] = 0;
2461 smux_trap(ospf_variables
, array_size(ospf_variables
), ospf_trap_oid
,
2462 array_size(ospf_trap_oid
), ospf_oid
,
2463 sizeof(ospf_oid
) / sizeof(oid
), index
, IN_ADDR_SIZE
+ 1,
2464 ospfVirtNbrTrapList
, array_size(ospfVirtNbrTrapList
),
2465 VIRTNBRSTATECHANGE
);
2468 static int ospf_snmp_nsm_change(struct ospf_neighbor
*nbr
, int next_state
,
2471 /* Transition to/from state Full should be handled only by
2472 * DR when in Broadcast or Non-Brodcast Multi-Access networks
2474 if ((next_state
== NSM_Full
|| old_state
== NSM_Full
)
2475 && (nbr
->oi
->state
!= ISM_DR
)
2476 && (nbr
->oi
->type
== OSPF_IFTYPE_BROADCAST
2477 || nbr
->oi
->type
== OSPF_IFTYPE_NBMA
))
2480 /* State progression to non-terminal state */
2481 if (next_state
> old_state
&& next_state
!= NSM_Full
2482 && next_state
!= NSM_TwoWay
)
2485 if (nbr
->oi
->type
== OSPF_IFTYPE_VIRTUALLINK
)
2486 ospfTrapVirtNbrStateChange(nbr
);
2488 ospfTrapNbrStateChange(nbr
);
2493 static void ospfTrapIfStateChange(struct ospf_interface
*oi
)
2495 oid index
[sizeof(oid
) * (IN_ADDR_SIZE
+ 1)];
2497 if (IS_DEBUG_OSPF_EVENT
)
2498 zlog_info("%s: trap sent: %pI4 now %s", __func__
,
2499 &oi
->address
->u
.prefix4
,
2500 lookup_msg(ospf_ism_state_msg
, oi
->state
, NULL
));
2502 oid_copy_addr(index
, &(oi
->address
->u
.prefix4
), IN_ADDR_SIZE
);
2503 index
[IN_ADDR_SIZE
] = 0;
2505 smux_trap(ospf_variables
, array_size(ospf_variables
), ospf_trap_oid
,
2506 array_size(ospf_trap_oid
), ospf_oid
,
2507 sizeof(ospf_oid
) / sizeof(oid
), index
, IN_ADDR_SIZE
+ 1,
2508 ospfIfTrapList
, array_size(ospfIfTrapList
), IFSTATECHANGE
);
2511 static void ospfTrapVirtIfStateChange(struct ospf_interface
*oi
)
2513 oid index
[sizeof(oid
) * (IN_ADDR_SIZE
+ 1)];
2515 zlog_info("ospfTrapVirtIfStateChange trap sent");
2517 oid_copy_addr(index
, &(oi
->address
->u
.prefix4
), IN_ADDR_SIZE
);
2518 index
[IN_ADDR_SIZE
] = 0;
2520 smux_trap(ospf_variables
, array_size(ospf_variables
), ospf_trap_oid
,
2521 array_size(ospf_trap_oid
), ospf_oid
,
2522 sizeof(ospf_oid
) / sizeof(oid
), index
, IN_ADDR_SIZE
+ 1,
2523 ospfVirtIfTrapList
, array_size(ospfVirtIfTrapList
),
2527 static int ospf_snmp_ism_change(struct ospf_interface
*oi
, int state
,
2530 /* Terminal state or regression */
2531 if ((state
== ISM_DR
) || (state
== ISM_Backup
) || (state
== ISM_DROther
)
2532 || (state
== ISM_PointToPoint
) || (state
< old_state
)) {
2533 /* ospfVirtIfStateChange */
2534 if (oi
->type
== OSPF_IFTYPE_VIRTUALLINK
)
2535 ospfTrapVirtIfStateChange(oi
);
2536 /* ospfIfStateChange */
2538 ospfTrapIfStateChange(oi
);
2543 /* Register OSPF2-MIB. */
2544 static int ospf_snmp_init(struct thread_master
*tm
)
2546 ospf_snmp_iflist
= list_new();
2547 ospf_snmp_vl_table
= route_table_init();
2549 REGISTER_MIB("mibII/ospf", ospf_variables
, variable
, ospf_oid
);
2553 static int ospf_snmp_module_init(void)
2555 hook_register(ospf_if_update
, ospf_snmp_if_update
);
2556 hook_register(ospf_if_delete
, ospf_snmp_if_delete
);
2557 hook_register(ospf_vl_add
, ospf_snmp_vl_add
);
2558 hook_register(ospf_vl_delete
, ospf_snmp_vl_delete
);
2559 hook_register(ospf_ism_change
, ospf_snmp_ism_change
);
2560 hook_register(ospf_nsm_change
, ospf_snmp_nsm_change
);
2562 hook_register(frr_late_init
, ospf_snmp_init
);
2566 FRR_MODULE_SETUP(.name
= "ospfd_snmp", .version
= FRR_VERSION
,
2567 .description
= "ospfd AgentX SNMP module",
2568 .init
= ospf_snmp_module_init
, )