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f9a4d683 KS |
1 | /* |
2 | * LDP SNMP support | |
3 | * Copyright (C) 2020 Volta Networks, Inc. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the Free | |
7 | * Software Foundation; either version 2 of the License, or (at your option) | |
8 | * any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; see the file COPYING; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
20 | /* | |
21 | * This is minimal read-only implementations providing | |
22 | * mplsLdpModuleReadOnlyCompliance as described in RFC 3815. | |
23 | */ | |
24 | ||
25 | #include <zebra.h> | |
26 | ||
27 | #include <net-snmp/net-snmp-config.h> | |
28 | #include <net-snmp/net-snmp-includes.h> | |
29 | ||
30 | #include "vrf.h" | |
31 | #include "if.h" | |
32 | #include "log.h" | |
33 | #include "prefix.h" | |
34 | #include "table.h" | |
35 | #include "command.h" | |
36 | #include "memory.h" | |
37 | #include "smux.h" | |
38 | #include "libfrr.h" | |
09781197 | 39 | #include "lib/version.h" |
f9a4d683 KS |
40 | #include "ldpd.h" |
41 | #include "ldpe.h" | |
42 | ||
43 | /* SNMP value hack. */ | |
44 | #define COUNTER32 ASN_COUNTER | |
45 | #define INTEGER ASN_INTEGER | |
46 | #define UNSIGNED32 ASN_GAUGE | |
47 | #define TIMESTAMP ASN_TIMETICKS | |
48 | #define TIMETICKS ASN_TIMETICKS | |
49 | #define STRING ASN_OCTET_STR | |
50 | #define IPADDRESS ASN_IPADDRESS | |
51 | ||
52 | #define LDP_LSRID_IDX_LEN 6 | |
53 | #define LDP_ENTITY_IDX_LEN 1 | |
54 | #define LDP_ADJACENCY_IDX_LEN 1 | |
55 | ||
56 | /* MPLS-LDP-STD-MIB. */ | |
57 | #define MPLS_LDP_STD_MIB 1, 3, 6, 1, 2, 1, 10, 166, 4 | |
58 | ||
59 | #define MPLS_LDP_LSR_ID 0 | |
60 | #define MPLS_LDP_LSR_LOOP_DETECTION_CAPABLE 0 | |
61 | #define MPLS_LDP_ENTITY_LAST_CHANGE 0 | |
62 | #define MPLS_LDP_ENTITY_INDEX_NEXT 0 | |
63 | ||
64 | /* Declare static local variables for convenience. */ | |
65 | SNMP_LOCAL_VARIABLES | |
66 | ||
67 | /* LDP-MIB instances. */ | |
68 | static oid ldp_oid[] = {MPLS_LDP_STD_MIB}; | |
69 | static oid ldp_trap_oid[] = {MPLS_LDP_STD_MIB, 0}; | |
70 | ||
71 | static uint8_t snmp_ldp_rtrid[6] = {0, 0, 0, 0, 0}; | |
72 | ||
73 | #define LDP_DEFAULT_ENTITY_INDEX 1 | |
74 | ||
75 | #define MPLSLDPLSRLOOPDETECTIONCAPABLE_NONE 1 | |
76 | #define MPLSLDPLSRLOOPDETECTIONCAPABLE_OTHER 2 | |
77 | #define MPLSLDPLSRLOOPDETECTIONCAPABLE_HOPCOUNT 3 | |
78 | #define MPLSLDPLSRLOOPDETECTIONCAPABLE_PATHVECTOR 4 | |
79 | #define MPLSLDPLSRLOOPDETECTIONCAPABLE_HOPCOUNTANDPATHVECTOR 5 | |
80 | ||
81 | /* MPLS LDP mplsLdpHelloAdjacencyTable. */ | |
82 | #define MPLSLDPHELLOADJACENCYINDEX 1 | |
83 | #define MPLSLDPHELLOADJACENCYHOLDTIMEREM 2 | |
84 | #define MPLSLDPHELLOADJACENCYHOLDTIME 3 | |
85 | #define MPLSLDPHELLOADJACENCYTYPE 4 | |
86 | ||
87 | /* enums for column mplsLdpHelloAdjacencyType */ | |
88 | #define MPLSLDPHELLOADJACENCYTYPE_LINK 1 | |
89 | #define MPLSLDPHELLOADJACENCYTYPE_TARGETED 2 | |
90 | ||
91 | #define MPLSLDPPEERTRANSPORTADDRTYPE_UNKNOWN 0 | |
92 | #define MPLSLDPPEERTRANSPORTADDRTYPE_IPV4 1 | |
93 | #define MPLSLDPPEERTRANSPORTADDRTYPE_IPV6 2 | |
94 | #define MPLSLDPPEERTRANSPORTADDRTYPE_IPV4Z 3 | |
95 | #define MPLSLDPPEERTRANSPORTADDRTYPE_IPV6Z 4 | |
96 | #define MPLSLDPPEERTRANSPORTADDRTYPE_DNS 16 | |
97 | ||
98 | #define DOWNSTREAMONDEMAND 1 | |
99 | #define DOWNSTREAMUNSOLICITED 2 | |
100 | ||
101 | #define CONSERVATIVERETENTION 1 | |
102 | #define LIBERALRETENTION 2 | |
103 | ||
104 | #define TRANSPORTADDRINTERFACE 1 | |
105 | #define TRANSPORTADDRLOOPBACK 2 | |
106 | ||
107 | #define LABELTYPEGENERIC 1 | |
108 | ||
109 | #define STORAGETYPENONVOLATILE 3 | |
110 | ||
111 | #define ROWSTATUSACTIVE 4 | |
112 | ||
113 | #define ADMINSTATUSENABLED 1 | |
114 | ||
115 | #define OPERSTATUSENABLED 2 | |
116 | ||
117 | /* MPLS LDP mplsLdpPeerTable */ | |
118 | #define MPLSLDPPEERLDPID 1 | |
119 | #define MPLSLDPPEERLABELDISTMETHOD 2 | |
120 | #define MPLSLDPPEERPATHVECTORLIMIT 3 | |
121 | #define MPLSLDPPEERTRANSPORTADDRTYPE 4 | |
122 | #define MPLSLDPPEERTRANSPORTADDR 5 | |
123 | ||
124 | #define MPLSLDPSESSIONROLE_UNKNOWN 1 | |
125 | #define MPLSLDPSESSIONROLE_ACTIVE 2 | |
126 | #define MPLSLDPSESSIONROLE_PASSIVE 3 | |
127 | ||
128 | #define MPLSLDPSESSIONSTATE_NONEXISTENT 1 | |
129 | #define MPLSLDPSESSIONSTATE_INITIALIZED 2 | |
130 | #define MPLSLDPSESSIONSTATE_OPENREC 3 | |
131 | #define MPLSLDPSESSIONSTATE_OPENSENT 4 | |
132 | #define MPLSLDPSESSIONSTATE_OPERATIONAL 5 | |
133 | ||
134 | /* MPLS LDP mplsLdpSessionTable */ | |
135 | #define MPLSLDPSESSIONSTATELASTCHANGE 1 | |
136 | #define MPLSLDPSESSIONSTATE 2 | |
137 | #define MPLSLDPSESSIONROLE 3 | |
138 | #define MPLSLDPSESSIONPROTOCOLVERSION 4 | |
139 | #define MPLSLDPSESSIONKEEPALIVEHOLDTIMEREM 5 | |
140 | #define MPLSLDPSESSIONKEEPALIVETIME 6 | |
141 | #define MPLSLDPSESSIONMAXPDULENGTH 7 | |
142 | #define MPLSLDPSESSIONDISCONTINUITYTIME 8 | |
143 | ||
144 | /* MPLS LDP mplsLdpEntityTable */ | |
145 | #define MPLSLDPENTITYLDPID 1 | |
146 | #define MPLSLDPENTITYINDEX 2 | |
147 | #define MPLSLDPENTITYPROTOCOLVERSION 3 | |
148 | #define MPLSLDPENTITYADMINSTATUS 4 | |
149 | #define MPLSLDPENTITYOPERSTATUS 5 | |
150 | #define MPLSLDPENTITYTCPPORT 6 | |
151 | #define MPLSLDPENTITYUDPDSCPORT 7 | |
152 | #define MPLSLDPENTITYMAXPDULENGTH 8 | |
153 | #define MPLSLDPENTITYKEEPALIVEHOLDTIMER 9 | |
154 | #define MPLSLDPENTITYHELLOHOLDTIMER 10 | |
155 | #define MPLSLDPENTITYINITSESSIONTHRESHOLD 11 | |
156 | #define MPLSLDPENTITYLABELDISTMETHOD 12 | |
157 | #define MPLSLDPENTITYLABELRETENTIONMODE 13 | |
158 | #define MPLSLDPENTITYPATHVECTORLIMIT 14 | |
159 | #define MPLSLDPENTITYHOPCOUNTLIMIT 15 | |
160 | #define MPLSLDPENTITYTRANSPORTADDRKIND 16 | |
161 | #define MPLSLDPENTITYTARGETPEER 17 | |
162 | #define MPLSLDPENTITYTARGETPEERADDRTYPE 18 | |
163 | #define MPLSLDPENTITYTARGETPEERADDR 19 | |
164 | #define MPLSLDPENTITYLABELTYPE 20 | |
165 | #define MPLSLDPENTITYDISCONTINUITYTIME 21 | |
166 | #define MPLSLDPENTITYSTORAGETYPE 22 | |
167 | #define MPLSLDPENTITYROWSTATUS 23 | |
168 | ||
169 | /* MPLS LDP mplsLdpEntityStatsTable */ | |
170 | #define MPLSLDPENTITYSTATSSESSIONATTEMPTS 1 | |
171 | #define MPLSLDPENTITYSTATSSESSIONREJHELLO 2 | |
172 | #define MPLSLDPENTITYSTATSSESSIONREJAD 3 | |
173 | #define MPLSLDPENTITYSTATSSESSIONREJMAXPDU 4 | |
174 | #define MPLSLDPENTITYSTATSSESSIONREJLR 5 | |
175 | #define MPLSLDPENTITYSTATSBADLDPID 6 | |
176 | #define MPLSLDPENTITYSTATSBADPDULENGTH 7 | |
177 | #define MPLSLDPENTITYSTATSBADMSGLENGTH 8 | |
178 | #define MPLSLDPENTITYSTATSBADTLVLENGTH 9 | |
179 | #define MPLSLDPENTITYSTATSMALFORMEDTLV 10 | |
180 | #define MPLSLDPENTITYSTATSKEEPALIVEEXP 11 | |
181 | #define MPLSLDPENTITYSTATSSHUTDOWNRCVNOTIFY 12 | |
182 | #define MPLSLDPENTITYSTATSSHUTDOWNSENTNOTIFY 13 | |
183 | ||
184 | #define MPLSLDPSESSIONSTATSUNKNOWNMESTYPEERRORS 1 | |
185 | #define MPLSLDPSESSIONSTATSUNKNOWNTLVERRORS 2 | |
186 | ||
187 | static uint8_t *ldpLsrId(struct variable *v, oid name[], size_t *length, | |
188 | int exact, size_t *var_len, | |
189 | WriteMethod **write_method) | |
190 | { | |
191 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
192 | == MATCH_FAILED) | |
193 | return NULL; | |
194 | ||
195 | *var_len = 4; | |
196 | return (uint8_t *)&leconf->rtr_id.s_addr; | |
197 | } | |
198 | ||
199 | static uint8_t *ldpLoopDetectCap(struct variable *v, oid name[], size_t *length, | |
200 | int exact, size_t *var_len, | |
201 | WriteMethod **write_method) | |
202 | { | |
203 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
204 | == MATCH_FAILED) | |
205 | return NULL; | |
206 | ||
207 | return SNMP_INTEGER(MPLSLDPLSRLOOPDETECTIONCAPABLE_NONE); | |
208 | } | |
209 | ||
210 | extern uint32_t ldp_start_time; | |
211 | static uint8_t *ldpEntityLastChange(struct variable *v, oid name[], | |
212 | size_t *length, | |
213 | int exact, size_t *var_len, | |
214 | WriteMethod **write_method) | |
215 | { | |
216 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
217 | == MATCH_FAILED) | |
218 | return NULL; | |
219 | ||
220 | *var_len = sizeof(time_t); | |
221 | return (uint8_t *) &(leconf->config_change_time); | |
222 | ||
223 | } | |
224 | ||
225 | static uint8_t *ldpEntityIndexNext(struct variable *v, oid name[], | |
226 | size_t *length,int exact, size_t *var_len, | |
227 | WriteMethod **write_method) | |
228 | { | |
229 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
230 | == MATCH_FAILED) | |
231 | return NULL; | |
232 | ||
233 | return SNMP_INTEGER(0); | |
234 | } | |
235 | ||
236 | #define LDP_ENTITY_TOTAL_LEN 21 | |
237 | #define LDP_ENTITY_MAX_IDX_LEN 6 | |
238 | ||
239 | static struct ldpd_af_conf *ldpEntityTable_lookup(struct variable *v, oid *name, | |
240 | size_t *length, int exact, | |
241 | uint32_t *index) | |
242 | { | |
243 | int len; | |
244 | struct ldpd_af_conf *af_v4, *af_v6; | |
245 | ||
246 | af_v4 = &leconf->ipv4; | |
247 | af_v6 = &leconf->ipv6; | |
248 | ||
249 | if (exact) { | |
250 | if (*length != LDP_ENTITY_TOTAL_LEN) | |
251 | return NULL; | |
252 | ||
253 | if (leconf->trans_pref == DUAL_STACK_LDPOV6 && | |
254 | af_v6->flags & F_LDPD_AF_ENABLED) { | |
255 | *index = 2; | |
256 | return af_v6; | |
257 | } else { | |
258 | *index = 1; | |
259 | return af_v4; | |
260 | } | |
261 | } else { | |
262 | /* only support one router id so can just skip */ | |
263 | len = *length - v->namelen - LDP_ENTITY_MAX_IDX_LEN; | |
264 | if (len <= 0) { | |
265 | if (leconf->trans_pref == DUAL_STACK_LDPOV6 && | |
266 | af_v6->flags & F_LDPD_AF_ENABLED) { | |
267 | *index = 2; | |
268 | return af_v6; | |
269 | } else { | |
270 | *index = 1; | |
271 | return af_v4; | |
272 | } | |
273 | } | |
274 | } | |
275 | return NULL; | |
276 | } | |
277 | ||
278 | static uint8_t *ldpEntityTable(struct variable *v, oid name[], size_t *length, | |
279 | int exact, size_t *var_len, | |
280 | WriteMethod **write_method) | |
281 | { | |
282 | struct ldpd_af_conf *af; | |
283 | struct in_addr entityLdpId = {.s_addr = 0}; | |
284 | uint32_t index = 0; | |
285 | ||
286 | *write_method = NULL; | |
287 | ||
288 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
289 | == MATCH_FAILED) | |
290 | return NULL; | |
291 | ||
292 | af = ldpEntityTable_lookup(v, name, length, exact, &index); | |
293 | if (af == NULL) | |
294 | return NULL; | |
295 | ||
296 | if (!exact) { | |
297 | entityLdpId.s_addr = ldp_rtr_id_get(leconf); | |
298 | ||
299 | /* Copy the name out */ | |
300 | memcpy(name, v->name, v->namelen * sizeof(oid)); | |
301 | ||
302 | /* Append index */ | |
303 | *length = LDP_ENTITY_TOTAL_LEN; | |
9e263221 | 304 | oid_copy_in_addr(name + v->namelen, &entityLdpId); |
f9a4d683 KS |
305 | name[v->namelen + 4] = 0; |
306 | name[v->namelen + 5] = 0; | |
307 | name[v->namelen + 6] = LDP_DEFAULT_ENTITY_INDEX; | |
308 | } | |
309 | ||
310 | /* Return the current value of the variable */ | |
311 | switch (v->magic) { | |
312 | case MPLSLDPENTITYLDPID: | |
313 | *var_len = 6; | |
314 | memcpy (snmp_ldp_rtrid, &entityLdpId, IN_ADDR_SIZE); | |
315 | return (uint8_t *)snmp_ldp_rtrid; | |
316 | case MPLSLDPENTITYINDEX: | |
317 | return SNMP_INTEGER(LDP_DEFAULT_ENTITY_INDEX); | |
318 | case MPLSLDPENTITYPROTOCOLVERSION: | |
319 | return SNMP_INTEGER(LDP_VERSION); | |
320 | case MPLSLDPENTITYADMINSTATUS: | |
321 | return SNMP_INTEGER(ADMINSTATUSENABLED); | |
322 | case MPLSLDPENTITYOPERSTATUS: | |
323 | return SNMP_INTEGER(OPERSTATUSENABLED); | |
324 | case MPLSLDPENTITYTCPPORT: | |
325 | return SNMP_INTEGER(LDP_PORT); | |
326 | case MPLSLDPENTITYUDPDSCPORT: | |
327 | return SNMP_INTEGER(LDP_PORT); | |
328 | case MPLSLDPENTITYMAXPDULENGTH: | |
329 | return SNMP_INTEGER(LDP_MAX_LEN); | |
330 | case MPLSLDPENTITYKEEPALIVEHOLDTIMER: | |
331 | return SNMP_INTEGER(af->keepalive); | |
332 | case MPLSLDPENTITYHELLOHOLDTIMER: | |
333 | return SNMP_INTEGER(af->lhello_holdtime); | |
334 | case MPLSLDPENTITYINITSESSIONTHRESHOLD: | |
335 | return SNMP_INTEGER(0); /* not supported */ | |
336 | case MPLSLDPENTITYLABELDISTMETHOD: | |
337 | return SNMP_INTEGER(DOWNSTREAMUNSOLICITED); | |
338 | case MPLSLDPENTITYLABELRETENTIONMODE: | |
339 | return SNMP_INTEGER(LIBERALRETENTION); | |
340 | case MPLSLDPENTITYPATHVECTORLIMIT: | |
341 | return SNMP_INTEGER(0); /* not supported */ | |
342 | case MPLSLDPENTITYHOPCOUNTLIMIT: | |
343 | return SNMP_INTEGER(0); | |
344 | case MPLSLDPENTITYTRANSPORTADDRKIND: | |
345 | return SNMP_INTEGER(TRANSPORTADDRLOOPBACK); | |
346 | case MPLSLDPENTITYTARGETPEER: | |
347 | return SNMP_INTEGER(1); | |
348 | case MPLSLDPENTITYTARGETPEERADDRTYPE: | |
349 | if (index == 1) | |
350 | return SNMP_INTEGER(MPLSLDPPEERTRANSPORTADDRTYPE_IPV4); | |
351 | else | |
352 | return SNMP_INTEGER(MPLSLDPPEERTRANSPORTADDRTYPE_IPV6); | |
353 | case MPLSLDPENTITYTARGETPEERADDR: | |
354 | if (index == 1) { | |
355 | *var_len = sizeof(af->trans_addr.v4); | |
356 | return ((uint8_t *)&af->trans_addr.v4); | |
357 | }else { | |
358 | *var_len = sizeof(af->trans_addr.v6); | |
359 | return ((uint8_t *)&af->trans_addr.v6); | |
360 | } | |
361 | case MPLSLDPENTITYLABELTYPE: | |
362 | return SNMP_INTEGER(LABELTYPEGENERIC); | |
363 | case MPLSLDPENTITYDISCONTINUITYTIME: | |
364 | return SNMP_INTEGER(0); | |
365 | case MPLSLDPENTITYSTORAGETYPE: | |
366 | return SNMP_INTEGER(STORAGETYPENONVOLATILE); | |
367 | case MPLSLDPENTITYROWSTATUS: | |
368 | return SNMP_INTEGER(ROWSTATUSACTIVE); | |
369 | default: | |
370 | return NULL; | |
371 | } | |
372 | ||
373 | return NULL; | |
374 | } | |
375 | ||
d4d6e7d8 KS |
376 | static uint8_t *ldpEntityStatsTable(struct variable *v, oid name[], |
377 | size_t *length, int exact, size_t *var_len, | |
378 | WriteMethod **write_method) | |
379 | { | |
380 | struct in_addr entityLdpId = {.s_addr = 0}; | |
381 | int len; | |
382 | ||
383 | *write_method = NULL; | |
384 | ||
385 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
386 | == MATCH_FAILED) | |
387 | return NULL; | |
388 | ||
389 | if (exact) { | |
390 | if (*length != LDP_ENTITY_TOTAL_LEN) | |
391 | return NULL; | |
392 | } else { | |
393 | len = *length - v->namelen - LDP_ENTITY_MAX_IDX_LEN; | |
394 | if (len > 0) | |
395 | return NULL; | |
396 | ||
397 | entityLdpId.s_addr = ldp_rtr_id_get(leconf); | |
398 | ||
399 | /* Copy the name out */ | |
400 | memcpy(name, v->name, v->namelen * sizeof(oid)); | |
401 | ||
402 | /* Append index */ | |
403 | *length = LDP_ENTITY_TOTAL_LEN; | |
9e263221 | 404 | oid_copy_in_addr(name + v->namelen, &entityLdpId); |
d4d6e7d8 KS |
405 | name[v->namelen + 4] = 0; |
406 | name[v->namelen + 5] = 0; | |
407 | name[v->namelen + 6] = LDP_DEFAULT_ENTITY_INDEX; | |
408 | } | |
409 | ||
410 | /* Return the current value of the variable */ | |
411 | switch (v->magic) { | |
412 | case MPLSLDPENTITYSTATSSESSIONATTEMPTS: | |
413 | return SNMP_INTEGER(leconf->stats.session_attempts); | |
414 | case MPLSLDPENTITYSTATSSESSIONREJHELLO: | |
415 | return SNMP_INTEGER(leconf->stats.session_rejects_hello); | |
416 | case MPLSLDPENTITYSTATSSESSIONREJAD: | |
417 | return SNMP_INTEGER(leconf->stats.session_rejects_ad); | |
418 | case MPLSLDPENTITYSTATSSESSIONREJMAXPDU: | |
419 | return SNMP_INTEGER(leconf->stats.session_rejects_max_pdu); | |
420 | case MPLSLDPENTITYSTATSSESSIONREJLR: | |
421 | return SNMP_INTEGER(leconf->stats.session_rejects_lr); | |
422 | case MPLSLDPENTITYSTATSBADLDPID: | |
423 | return SNMP_INTEGER(leconf->stats.bad_ldp_id); | |
424 | case MPLSLDPENTITYSTATSBADPDULENGTH: | |
425 | return SNMP_INTEGER(leconf->stats.bad_pdu_len); | |
426 | case MPLSLDPENTITYSTATSBADMSGLENGTH: | |
427 | return SNMP_INTEGER(leconf->stats.bad_msg_len); | |
428 | case MPLSLDPENTITYSTATSBADTLVLENGTH: | |
429 | return SNMP_INTEGER(leconf->stats.bad_tlv_len); | |
430 | case MPLSLDPENTITYSTATSMALFORMEDTLV: | |
431 | return SNMP_INTEGER(leconf->stats.malformed_tlv); | |
432 | case MPLSLDPENTITYSTATSKEEPALIVEEXP: | |
433 | return SNMP_INTEGER(leconf->stats.keepalive_timer_exp); | |
434 | case MPLSLDPENTITYSTATSSHUTDOWNRCVNOTIFY: | |
435 | return SNMP_INTEGER(leconf->stats.shutdown_rcv_notify); | |
436 | case MPLSLDPENTITYSTATSSHUTDOWNSENTNOTIFY: | |
437 | return SNMP_INTEGER(leconf->stats.shutdown_send_notify); | |
438 | default: | |
439 | return NULL; | |
440 | } | |
441 | ||
442 | return NULL; | |
443 | } | |
444 | ||
f9a4d683 KS |
445 | #define LDP_ADJACENCY_ENTRY_MAX_IDX_LEN 14 |
446 | ||
447 | static void ldpHelloAdjacencyTable_oid_to_index( | |
448 | struct variable *v, oid name[], | |
449 | size_t *length, | |
450 | struct in_addr *entityLdpId, | |
451 | uint32_t *entityIndex, | |
452 | struct in_addr *peerLdpId, | |
453 | uint32_t *adjacencyIndex) | |
454 | { | |
455 | oid *offset = name + v->namelen; | |
456 | int offsetlen = *length - v->namelen; | |
457 | int len = offsetlen; | |
458 | ||
459 | if (len > LDP_ADJACENCY_ENTRY_MAX_IDX_LEN) | |
460 | len = LDP_ADJACENCY_ENTRY_MAX_IDX_LEN; | |
461 | ||
462 | if (len >= LDP_LSRID_IDX_LEN) | |
463 | oid2in_addr(offset, sizeof(struct in_addr), entityLdpId); | |
464 | ||
465 | offset += LDP_LSRID_IDX_LEN; | |
466 | offsetlen -= LDP_LSRID_IDX_LEN; | |
467 | len = offsetlen; | |
468 | ||
469 | if (len > LDP_ENTITY_IDX_LEN) | |
470 | len = LDP_ENTITY_IDX_LEN; | |
471 | ||
472 | if (len >= LDP_ENTITY_IDX_LEN) | |
473 | *entityIndex = offset[0]; | |
474 | ||
475 | offset += LDP_ENTITY_IDX_LEN; | |
476 | offsetlen -= LDP_ENTITY_IDX_LEN; | |
477 | len = offsetlen; | |
478 | ||
479 | if (len > LDP_LSRID_IDX_LEN) | |
480 | len = LDP_LSRID_IDX_LEN; | |
481 | ||
482 | if (len >= LDP_LSRID_IDX_LEN) | |
483 | oid2in_addr(offset, sizeof(struct in_addr), peerLdpId); | |
484 | ||
485 | offset += LDP_LSRID_IDX_LEN; | |
486 | offsetlen -= LDP_LSRID_IDX_LEN; | |
487 | len = offsetlen; | |
488 | ||
489 | if (len > LDP_ADJACENCY_IDX_LEN) | |
490 | len = LDP_ADJACENCY_IDX_LEN; | |
491 | ||
492 | if (len >= LDP_ADJACENCY_IDX_LEN) | |
493 | *adjacencyIndex = offset[0]; | |
494 | } | |
495 | ||
496 | static struct adj * | |
497 | nbr_get_adj_by_index(struct nbr *nbr, uint32_t adjacencyIndex) | |
498 | { | |
499 | struct adj *adj; | |
500 | uint32_t i = 0; | |
501 | ||
502 | RB_FOREACH(adj, nbr_adj_head, &nbr->adj_tree) | |
503 | if (++i == adjacencyIndex) | |
504 | return adj; | |
505 | ||
506 | return NULL; | |
507 | } | |
508 | ||
509 | static struct ctl_adj * | |
510 | ldpHelloAdjacencyTable_lookup_helper( | |
511 | struct in_addr *entityLdpId, | |
512 | uint32_t *entityIndex, | |
513 | struct in_addr *peerLdpId, | |
514 | uint32_t *adjacencyIndex) | |
515 | { | |
516 | struct ctl_adj *ctl_adj = NULL; | |
517 | struct adj *adj = NULL; | |
518 | struct nbr *cur_nbr = nbr_find_ldpid(peerLdpId->s_addr); | |
519 | ||
520 | if (cur_nbr) | |
521 | /* If found nbr, then look to see if the | |
522 | * adjacency exists | |
523 | */ | |
524 | adj = nbr_get_adj_by_index(cur_nbr, *adjacencyIndex); | |
525 | ||
526 | if (adj) | |
527 | ctl_adj = adj_to_ctl(adj); | |
528 | ||
529 | return ctl_adj; | |
530 | } | |
531 | ||
532 | static struct ctl_adj * | |
533 | ldpHelloAdjacencyTable_next_helper( | |
534 | int first, | |
535 | struct in_addr *entityLdpId, | |
536 | uint32_t *entityIndex, | |
537 | struct in_addr *peerLdpId, | |
538 | uint32_t *adjacencyIndex) | |
539 | { | |
540 | struct ctl_adj *ctl_adj = NULL; | |
541 | struct nbr *nbr = NULL; | |
542 | struct adj *adj = NULL; | |
543 | ||
544 | if (first) | |
545 | nbr = nbr_get_first_ldpid(); | |
546 | else { | |
547 | struct nbr *cur_nbr = nbr_find_ldpid(peerLdpId->s_addr); | |
548 | if (cur_nbr) | |
549 | /* If found nbr, then look to see if the | |
550 | * adjacency exists | |
551 | */ | |
552 | adj = nbr_get_adj_by_index(cur_nbr, *adjacencyIndex + 1); | |
553 | if (adj) | |
554 | *adjacencyIndex += 1; | |
555 | else | |
556 | nbr = nbr_get_next_ldpid(peerLdpId->s_addr); | |
557 | } | |
558 | ||
559 | if (!adj && nbr) { | |
560 | adj = RB_MIN(nbr_adj_head, &nbr->adj_tree); | |
561 | *adjacencyIndex = 1; | |
562 | } | |
563 | ||
564 | if (adj) | |
565 | ctl_adj = adj_to_ctl(adj); | |
566 | ||
567 | return ctl_adj; | |
568 | } | |
569 | ||
570 | #define HELLO_ADJ_MAX_IDX_LEN 14 | |
571 | ||
572 | static struct ctl_adj * | |
573 | ldpHelloAdjacencyTable_lookup(struct variable *v, oid name[], | |
574 | size_t *length, int exact, | |
575 | struct in_addr *entityLdpId, | |
576 | uint32_t *entityIndex, | |
577 | struct in_addr *peerLdpId, | |
578 | uint32_t *adjacencyIndex) | |
579 | { | |
580 | struct ctl_adj *hello_adj = NULL; | |
581 | ||
582 | if (exact) { | |
583 | if (*length < HELLO_ADJ_MAX_IDX_LEN) | |
584 | return NULL; | |
585 | ||
586 | ldpHelloAdjacencyTable_oid_to_index( | |
587 | v, name, length, | |
588 | entityLdpId, entityIndex, peerLdpId, adjacencyIndex); | |
589 | ||
590 | hello_adj = ldpHelloAdjacencyTable_lookup_helper( | |
591 | entityLdpId, entityIndex, peerLdpId, adjacencyIndex); | |
592 | } else { | |
593 | int first = 0; | |
594 | int offsetlen = *length - v->namelen; | |
595 | ||
596 | if (offsetlen < HELLO_ADJ_MAX_IDX_LEN) | |
597 | first = 1; | |
598 | ||
599 | ldpHelloAdjacencyTable_oid_to_index( | |
600 | v, name, length, | |
601 | entityLdpId, entityIndex, peerLdpId, adjacencyIndex); | |
602 | ||
603 | hello_adj = ldpHelloAdjacencyTable_next_helper(first, | |
604 | entityLdpId, entityIndex, peerLdpId, adjacencyIndex); | |
605 | ||
606 | } | |
607 | return hello_adj; | |
608 | } | |
609 | ||
610 | static uint8_t *ldpHelloAdjacencyTable(struct variable *v, oid name[], size_t *length, | |
611 | int exact, size_t *var_len, | |
612 | WriteMethod **write_method) | |
613 | { | |
614 | struct in_addr entityLdpId = {.s_addr = 0}; | |
615 | uint32_t entityIndex = 0; | |
616 | struct in_addr peerLdpId = {.s_addr = 0}; | |
617 | uint32_t adjacencyIndex = 0; | |
618 | ||
619 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
620 | == MATCH_FAILED) | |
621 | return NULL; | |
622 | ||
623 | struct ctl_adj *ctl_adj = ldpHelloAdjacencyTable_lookup(v, name, | |
624 | length, exact, | |
625 | &entityLdpId, &entityIndex, &peerLdpId, &adjacencyIndex); | |
626 | ||
627 | if (!ctl_adj) | |
628 | return NULL; | |
629 | ||
630 | if (!exact) { | |
631 | ||
632 | /* Copy the name out */ | |
633 | memcpy(name, v->name, v->namelen * sizeof(oid)); | |
634 | ||
635 | /* Append index */ | |
636 | struct in_addr entityLdpId = {.s_addr = 0}; | |
637 | entityLdpId.s_addr = ldp_rtr_id_get(leconf); | |
638 | ||
639 | struct in_addr peerLdpId = ctl_adj->id; | |
640 | ||
9e263221 | 641 | oid_copy_in_addr(name + v->namelen, &entityLdpId); |
f9a4d683 KS |
642 | name[v->namelen + 4] = 0; |
643 | name[v->namelen + 5] = 0; | |
644 | name[v->namelen + 6] = LDP_DEFAULT_ENTITY_INDEX; | |
9e263221 | 645 | oid_copy_in_addr(name + v->namelen + 7, &peerLdpId); |
f9a4d683 KS |
646 | name[v->namelen + 11] = 0; |
647 | name[v->namelen + 12] = 0; | |
648 | name[v->namelen + 13] = adjacencyIndex; | |
649 | ||
650 | /* Set length */ | |
651 | *length = v->namelen + HELLO_ADJ_MAX_IDX_LEN; | |
652 | } | |
653 | ||
654 | switch (v->magic) { | |
655 | case MPLSLDPHELLOADJACENCYINDEX: | |
656 | return SNMP_INTEGER(adjacencyIndex); | |
657 | case MPLSLDPHELLOADJACENCYHOLDTIMEREM: | |
658 | return SNMP_INTEGER(ctl_adj->holdtime_remaining); | |
659 | case MPLSLDPHELLOADJACENCYHOLDTIME: | |
660 | return SNMP_INTEGER(ctl_adj->holdtime); | |
661 | case MPLSLDPHELLOADJACENCYTYPE: | |
662 | if (ctl_adj->type == HELLO_LINK) | |
663 | return SNMP_INTEGER(MPLSLDPHELLOADJACENCYTYPE_LINK); | |
664 | return SNMP_INTEGER(MPLSLDPHELLOADJACENCYTYPE_TARGETED); | |
665 | default: | |
666 | return NULL; | |
667 | } | |
668 | ||
669 | return NULL; | |
670 | } | |
671 | ||
672 | #define LDP_LSRID_IDX_LEN 6 | |
673 | #define LDP_ENTITY_IDX_LEN 1 | |
674 | #define LDP_PEER_ENTRY_MAX_IDX_LEN 13 | |
675 | ||
676 | static void ldpPeerTable_oid_to_index( | |
677 | struct variable *v, oid name[], | |
678 | size_t *length, | |
679 | struct in_addr *entityLdpId, | |
680 | uint32_t *entityIndex, | |
681 | struct in_addr *peerLdpId) | |
682 | { | |
683 | oid *offset = name + v->namelen; | |
684 | int offsetlen = *length - v->namelen; | |
685 | int len = offsetlen; | |
686 | ||
687 | if (len > LDP_PEER_ENTRY_MAX_IDX_LEN) | |
688 | len = LDP_PEER_ENTRY_MAX_IDX_LEN; | |
689 | ||
690 | if (len >= LDP_LSRID_IDX_LEN) | |
691 | oid2in_addr(offset, sizeof(struct in_addr), entityLdpId); | |
692 | ||
693 | offset += LDP_LSRID_IDX_LEN; | |
694 | offsetlen -= LDP_LSRID_IDX_LEN; | |
695 | len = offsetlen; | |
696 | ||
697 | if (len > LDP_ENTITY_IDX_LEN) | |
698 | len = LDP_ENTITY_IDX_LEN; | |
699 | ||
700 | if (len >= LDP_ENTITY_IDX_LEN) | |
701 | *entityIndex = offset[0]; | |
702 | ||
703 | offset += LDP_ENTITY_IDX_LEN; | |
704 | offsetlen -= LDP_ENTITY_IDX_LEN; | |
705 | len = offsetlen; | |
706 | ||
707 | if (len > LDP_LSRID_IDX_LEN) | |
708 | len = LDP_LSRID_IDX_LEN; | |
709 | ||
710 | if (len >= LDP_LSRID_IDX_LEN) | |
711 | oid2in_addr(offset, sizeof(struct in_addr), peerLdpId); | |
712 | } | |
713 | ||
714 | static struct ctl_nbr * | |
715 | ldpPeerTable_lookup_next(int first, | |
716 | struct in_addr peerLdpId) | |
717 | { | |
718 | struct nbr *nbr = NULL; | |
719 | struct ctl_nbr *ctl_nbr = NULL;; | |
720 | ||
721 | if (first) | |
722 | nbr = nbr_get_first_ldpid(); | |
723 | else | |
724 | nbr = nbr_get_next_ldpid(peerLdpId.s_addr); | |
725 | ||
726 | if (nbr) | |
727 | ctl_nbr = nbr_to_ctl(nbr); | |
728 | ||
729 | return ctl_nbr; | |
730 | } | |
731 | ||
732 | static struct ctl_nbr * | |
733 | ldpPeerTable_lookup(struct variable *v, oid name[], | |
734 | size_t *length, int exact, | |
735 | struct in_addr *entityLdpId, | |
736 | uint32_t *entityIndex, | |
737 | struct in_addr *peerLdpId) | |
738 | { | |
739 | struct ctl_nbr *ctl_nbr = NULL; | |
740 | struct nbr *nbr = NULL; | |
741 | int first = 0; | |
742 | ||
743 | if (exact) { | |
744 | if (*length < (long unsigned int)v->namelen | |
745 | + LDP_PEER_ENTRY_MAX_IDX_LEN) | |
746 | return NULL; | |
747 | ||
748 | ldpPeerTable_oid_to_index( | |
749 | v, name, length, | |
750 | entityLdpId, entityIndex, peerLdpId); | |
751 | ||
752 | nbr = nbr_find_ldpid(peerLdpId->s_addr); | |
753 | if (nbr) | |
754 | ctl_nbr = nbr_to_ctl(nbr); | |
755 | ||
756 | return ctl_nbr; | |
757 | } else { | |
758 | ||
759 | int offsetlen = *length - v->namelen; | |
760 | if (offsetlen < LDP_LSRID_IDX_LEN) | |
761 | first = 1; | |
762 | ||
763 | ldpPeerTable_oid_to_index( | |
764 | v, name, length, | |
765 | entityLdpId, entityIndex, peerLdpId); | |
766 | ||
767 | ctl_nbr = ldpPeerTable_lookup_next(first, *peerLdpId); | |
768 | return ctl_nbr; | |
769 | } | |
770 | return NULL; | |
771 | } | |
772 | ||
773 | static uint8_t *ldpPeerTable(struct variable *v, oid name[], size_t *length, | |
774 | int exact, size_t *var_len, | |
775 | WriteMethod **write_method) | |
776 | { | |
777 | struct in_addr entityLdpId = {.s_addr = 0}; | |
778 | uint32_t entityIndex = 0; | |
779 | struct in_addr peerLdpId = {.s_addr = 0}; | |
780 | struct ctl_nbr *ctl_nbr; | |
781 | ||
782 | ||
783 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
784 | == MATCH_FAILED) | |
785 | return NULL; | |
786 | ||
787 | ctl_nbr = ldpPeerTable_lookup(v, name, length, exact, &entityLdpId, | |
788 | &entityIndex, &peerLdpId); | |
789 | ||
790 | if (!ctl_nbr) | |
791 | return NULL; | |
792 | ||
793 | if (!exact) { | |
794 | ||
795 | entityLdpId.s_addr = ldp_rtr_id_get(leconf); | |
796 | entityIndex = LDP_DEFAULT_ENTITY_INDEX; | |
797 | peerLdpId = ctl_nbr->id; | |
798 | ||
799 | /* Copy the name out */ | |
800 | memcpy(name, v->name, v->namelen * sizeof(oid)); | |
801 | ||
802 | /* Append index */ | |
9e263221 | 803 | oid_copy_in_addr(name + v->namelen, &entityLdpId); |
f9a4d683 KS |
804 | |
805 | name[v->namelen + 4] = 0; | |
806 | name[v->namelen + 5] = 0; | |
807 | name[v->namelen + 6] = entityIndex; | |
9e263221 | 808 | oid_copy_in_addr(name + v->namelen + 7, &peerLdpId); |
f9a4d683 KS |
809 | name[v->namelen + 11] = 0; |
810 | name[v->namelen + 12] = 0; | |
811 | ||
812 | /* Set length */ | |
813 | *length = v->namelen + LDP_PEER_ENTRY_MAX_IDX_LEN; | |
814 | } | |
815 | ||
816 | switch (v->magic) { | |
817 | case MPLSLDPPEERLDPID: | |
818 | *var_len = 6; | |
819 | memcpy(snmp_ldp_rtrid, &ctl_nbr->id, IN_ADDR_SIZE); | |
820 | return snmp_ldp_rtrid; | |
821 | case MPLSLDPPEERLABELDISTMETHOD: | |
822 | return SNMP_INTEGER(DOWNSTREAMUNSOLICITED); | |
823 | case MPLSLDPPEERPATHVECTORLIMIT: | |
824 | return SNMP_INTEGER(0); | |
825 | case MPLSLDPPEERTRANSPORTADDRTYPE: | |
826 | if (ctl_nbr->af == AF_INET) | |
827 | return SNMP_INTEGER(MPLSLDPPEERTRANSPORTADDRTYPE_IPV4); | |
828 | else | |
829 | return SNMP_INTEGER(MPLSLDPPEERTRANSPORTADDRTYPE_IPV6); | |
830 | case MPLSLDPPEERTRANSPORTADDR: | |
831 | if (ctl_nbr->af == AF_INET) { | |
832 | *var_len = sizeof(ctl_nbr->raddr.v4); | |
833 | return ((uint8_t *)&ctl_nbr->raddr.v4); | |
834 | } else { | |
835 | *var_len = sizeof(ctl_nbr->raddr.v6); | |
836 | return ((uint8_t *)&ctl_nbr->raddr.v6); | |
837 | } | |
838 | default: | |
839 | return NULL; | |
840 | } | |
841 | ||
842 | return NULL; | |
843 | } | |
844 | static uint8_t *ldpSessionTable(struct variable *v, oid name[], size_t *length, | |
845 | int exact, size_t *var_len, | |
846 | WriteMethod **write_method) | |
847 | { | |
848 | struct in_addr entityLdpId = {.s_addr = 0}; | |
849 | uint32_t entityIndex = 0; | |
850 | struct in_addr peerLdpId = {.s_addr = 0}; | |
851 | struct ctl_nbr *ctl_nbr; | |
852 | ||
853 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
854 | == MATCH_FAILED) | |
855 | return NULL; | |
856 | ||
857 | ctl_nbr = ldpPeerTable_lookup(v, name, length, exact, &entityLdpId, | |
858 | &entityIndex, &peerLdpId); | |
859 | ||
860 | if (!ctl_nbr) | |
861 | return NULL; | |
862 | ||
863 | if (!exact) { | |
864 | entityLdpId.s_addr = ldp_rtr_id_get(leconf); | |
865 | entityIndex = LDP_DEFAULT_ENTITY_INDEX; | |
866 | peerLdpId = ctl_nbr->id; | |
867 | ||
868 | /* Copy the name out */ | |
869 | memcpy(name, v->name, v->namelen * sizeof(oid)); | |
870 | ||
871 | /* Append index */ | |
9e263221 | 872 | oid_copy_in_addr(name + v->namelen, &entityLdpId); |
f9a4d683 KS |
873 | |
874 | name[v->namelen + 4] = 0; | |
875 | name[v->namelen + 5] = 0; | |
876 | name[v->namelen + 6] = entityIndex; | |
9e263221 | 877 | oid_copy_in_addr(name + v->namelen + 7, &peerLdpId); |
f9a4d683 KS |
878 | name[v->namelen + 11] = 0; |
879 | name[v->namelen + 12] = 0; | |
880 | ||
881 | /* Set length */ | |
882 | *length = v->namelen + LDP_PEER_ENTRY_MAX_IDX_LEN; | |
883 | } | |
884 | ||
885 | switch (v->magic) { | |
886 | case MPLSLDPSESSIONSTATELASTCHANGE: | |
887 | *var_len = sizeof(time_t); | |
888 | return (uint8_t *) &(ctl_nbr->uptime); | |
889 | case MPLSLDPSESSIONSTATE: | |
890 | switch (ctl_nbr->nbr_state) { | |
891 | case NBR_STA_INITIAL: | |
892 | return SNMP_INTEGER(MPLSLDPSESSIONSTATE_INITIALIZED); | |
893 | case NBR_STA_OPENREC: | |
894 | return SNMP_INTEGER(MPLSLDPSESSIONSTATE_OPENREC); | |
895 | case NBR_STA_OPENSENT: | |
896 | return SNMP_INTEGER(MPLSLDPSESSIONSTATE_OPENSENT); | |
897 | case NBR_STA_OPER: | |
898 | return SNMP_INTEGER(MPLSLDPSESSIONSTATE_OPERATIONAL); | |
899 | default: | |
900 | return SNMP_INTEGER(MPLSLDPSESSIONSTATE_NONEXISTENT); | |
901 | } | |
902 | case MPLSLDPSESSIONROLE: | |
903 | if (ldp_addrcmp(ctl_nbr->af, &ctl_nbr->laddr, &ctl_nbr->raddr) | |
904 | > 0) | |
905 | return SNMP_INTEGER(MPLSLDPSESSIONROLE_ACTIVE); | |
906 | else | |
907 | return SNMP_INTEGER(MPLSLDPSESSIONROLE_PASSIVE); | |
908 | case MPLSLDPSESSIONPROTOCOLVERSION: | |
909 | return SNMP_INTEGER(LDP_VERSION); | |
910 | case MPLSLDPSESSIONKEEPALIVEHOLDTIMEREM: | |
911 | return SNMP_INTEGER(ctl_nbr->hold_time_remaining); | |
912 | case MPLSLDPSESSIONKEEPALIVETIME: | |
913 | return SNMP_INTEGER(ctl_nbr->holdtime); | |
914 | case MPLSLDPSESSIONMAXPDULENGTH: | |
915 | if (ctl_nbr->nbr_state == NBR_STA_OPER) | |
916 | return SNMP_INTEGER(ctl_nbr->max_pdu_len); | |
917 | else | |
918 | return SNMP_INTEGER(LDP_MAX_LEN); | |
919 | case MPLSLDPSESSIONDISCONTINUITYTIME: | |
920 | return SNMP_INTEGER(0); /* not supported */ | |
921 | default: | |
922 | return NULL; | |
923 | } | |
924 | ||
925 | return NULL; | |
926 | } | |
927 | ||
d4d6e7d8 KS |
928 | static uint8_t *ldpSessionStatsTable(struct variable *v, oid name[], |
929 | size_t *length, | |
930 | int exact, size_t *var_len, | |
931 | WriteMethod **write_method) | |
932 | { | |
933 | struct in_addr entityLdpId = {.s_addr = 0}; | |
934 | uint32_t entityIndex = 0; | |
935 | struct in_addr peerLdpId = {.s_addr = 0}; | |
936 | ||
937 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
938 | == MATCH_FAILED) | |
939 | return NULL; | |
940 | ||
941 | struct ctl_nbr *ctl_nbr = ldpPeerTable_lookup(v, name, length, exact, | |
942 | &entityLdpId, &entityIndex, &peerLdpId); | |
943 | ||
944 | if (!ctl_nbr) | |
945 | return NULL; | |
946 | ||
947 | if (!exact) { | |
948 | entityLdpId.s_addr = ldp_rtr_id_get(leconf); | |
949 | entityIndex = LDP_DEFAULT_ENTITY_INDEX; | |
950 | peerLdpId = ctl_nbr->id; | |
951 | ||
952 | /* Copy the name out */ | |
953 | memcpy(name, v->name, v->namelen * sizeof(oid)); | |
954 | ||
955 | /* Append index */ | |
9e263221 | 956 | oid_copy_in_addr(name + v->namelen, &entityLdpId); |
d4d6e7d8 KS |
957 | name[v->namelen + 4] = 0; |
958 | name[v->namelen + 5] = 0; | |
959 | name[v->namelen + 6] = entityIndex; | |
9e263221 | 960 | oid_copy_in_addr(name + v->namelen + 7, &peerLdpId); |
d4d6e7d8 KS |
961 | name[v->namelen + 11] = 0; |
962 | name[v->namelen + 12] = 0; | |
963 | ||
964 | *length = v->namelen + LDP_PEER_ENTRY_MAX_IDX_LEN; | |
965 | } | |
966 | ||
967 | switch (v->magic) { | |
968 | case MPLSLDPSESSIONSTATSUNKNOWNMESTYPEERRORS: | |
969 | return SNMP_INTEGER(ctl_nbr->stats.unknown_msg); | |
970 | case MPLSLDPSESSIONSTATSUNKNOWNTLVERRORS: | |
971 | return SNMP_INTEGER(ctl_nbr->stats.unknown_tlv); | |
972 | default: | |
973 | return NULL; | |
974 | } | |
975 | ||
976 | return NULL; | |
977 | } | |
978 | ||
f9a4d683 KS |
979 | static struct variable ldpe_variables[] = { |
980 | {MPLS_LDP_LSR_ID, STRING, RONLY, ldpLsrId, 3, {1, 1, 1}}, | |
981 | {MPLS_LDP_LSR_LOOP_DETECTION_CAPABLE, INTEGER, RONLY, | |
982 | ldpLoopDetectCap, 3, {1, 1, 2}}, | |
983 | {MPLS_LDP_ENTITY_LAST_CHANGE, TIMESTAMP, RONLY, ldpEntityLastChange, | |
984 | 3, {1, 2, 1}}, | |
985 | {MPLS_LDP_ENTITY_INDEX_NEXT, UNSIGNED32, RONLY, ldpEntityIndexNext, | |
986 | 3, {1, 2, 2}}, | |
987 | ||
988 | /* MPLS LDP mplsLdpEntityTable. */ | |
989 | {MPLSLDPENTITYLDPID, STRING, RONLY, ldpEntityTable, | |
990 | 5, {1, 2, 3, 1, 1}}, | |
991 | {MPLSLDPENTITYINDEX, UNSIGNED32, RONLY, ldpEntityTable, | |
992 | 5, {1, 2, 3, 1, 2}}, | |
993 | {MPLSLDPENTITYPROTOCOLVERSION, UNSIGNED32, RONLY, ldpEntityTable, | |
994 | 5, {1, 2, 3, 1, 3}}, | |
995 | {MPLSLDPENTITYADMINSTATUS, INTEGER, RONLY, ldpEntityTable, | |
996 | 5, {1, 2, 3, 1, 4}}, | |
997 | {MPLSLDPENTITYOPERSTATUS, INTEGER, RONLY, ldpEntityTable, | |
998 | 5, {1, 2, 3, 1, 5}}, | |
999 | {MPLSLDPENTITYTCPPORT, UNSIGNED32, RONLY, ldpEntityTable, | |
1000 | 5, {1, 2, 3, 1, 6}}, | |
1001 | {MPLSLDPENTITYUDPDSCPORT, UNSIGNED32, RONLY, ldpEntityTable, | |
1002 | 5, {1, 2, 3, 1, 7}}, | |
1003 | {MPLSLDPENTITYMAXPDULENGTH, UNSIGNED32, RONLY, ldpEntityTable, | |
1004 | 5, {1, 2, 3, 1, 8}}, | |
1005 | {MPLSLDPENTITYKEEPALIVEHOLDTIMER, UNSIGNED32, RONLY, ldpEntityTable, | |
1006 | 5, {1, 2, 3, 1, 9}}, | |
1007 | {MPLSLDPENTITYHELLOHOLDTIMER, UNSIGNED32, RONLY, ldpEntityTable, | |
1008 | 5, {1, 2, 3, 1, 10}}, | |
1009 | {MPLSLDPENTITYINITSESSIONTHRESHOLD, INTEGER, RONLY, ldpEntityTable, | |
1010 | 5, {1, 2, 3, 1, 11}}, | |
1011 | {MPLSLDPENTITYLABELDISTMETHOD, INTEGER, RONLY, ldpEntityTable, | |
1012 | 5, {1, 2, 3, 1, 12}}, | |
1013 | {MPLSLDPENTITYLABELRETENTIONMODE, INTEGER, RONLY, ldpEntityTable, | |
1014 | 5, {1, 2, 3, 1, 13}}, | |
1015 | {MPLSLDPENTITYPATHVECTORLIMIT, INTEGER, RONLY, ldpEntityTable, | |
1016 | 5, {1, 2, 3, 1, 14}}, | |
1017 | {MPLSLDPENTITYHOPCOUNTLIMIT, INTEGER, RONLY, ldpEntityTable, | |
1018 | 5, {1, 2, 3, 1, 15}}, | |
1019 | {MPLSLDPENTITYTRANSPORTADDRKIND, INTEGER, RONLY, ldpEntityTable, | |
1020 | 5, {1, 2, 3, 1, 16}}, | |
1021 | {MPLSLDPENTITYTARGETPEER, INTEGER, RONLY, ldpEntityTable, | |
1022 | 5, {1, 2, 3, 1, 17}}, | |
1023 | {MPLSLDPENTITYTARGETPEERADDRTYPE, INTEGER, RONLY, ldpEntityTable, | |
1024 | 5, {1, 2, 3, 1, 18}}, | |
1025 | {MPLSLDPENTITYTARGETPEERADDR, STRING, RONLY, ldpEntityTable, | |
1026 | 5, {1, 2, 3, 1, 19}}, | |
1027 | {MPLSLDPENTITYLABELTYPE, INTEGER, RONLY, ldpEntityTable, | |
1028 | 5, {1, 2, 3, 1, 20}}, | |
1029 | {MPLSLDPENTITYDISCONTINUITYTIME, TIMESTAMP, RONLY, ldpEntityTable, | |
1030 | 5, {1, 2, 3, 1, 21}}, | |
1031 | {MPLSLDPENTITYSTORAGETYPE, INTEGER, RONLY, ldpEntityTable, | |
1032 | 5, {1, 2, 3, 1, 22}}, | |
1033 | {MPLSLDPENTITYROWSTATUS, INTEGER, RONLY, ldpEntityTable, | |
1034 | 5, {1, 2, 3, 1, 23}}, | |
1035 | ||
d4d6e7d8 KS |
1036 | /* MPLS LDP mplsLdpEntityStatsTable. */ |
1037 | { MPLSLDPENTITYSTATSSESSIONATTEMPTS, COUNTER32, RONLY, | |
1038 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 1}}, | |
1039 | { MPLSLDPENTITYSTATSSESSIONREJHELLO, COUNTER32, RONLY, | |
1040 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 2}}, | |
1041 | { MPLSLDPENTITYSTATSSESSIONREJAD, COUNTER32, RONLY, | |
1042 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 3}}, | |
1043 | { MPLSLDPENTITYSTATSSESSIONREJMAXPDU, COUNTER32, RONLY, | |
1044 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 4}}, | |
1045 | { MPLSLDPENTITYSTATSSESSIONREJLR, COUNTER32, RONLY, | |
1046 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 5}}, | |
1047 | { MPLSLDPENTITYSTATSBADLDPID, COUNTER32, RONLY, | |
1048 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 6}}, | |
1049 | { MPLSLDPENTITYSTATSBADPDULENGTH, COUNTER32, RONLY, | |
1050 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 7}}, | |
1051 | { MPLSLDPENTITYSTATSBADMSGLENGTH, COUNTER32, RONLY, | |
1052 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 8}}, | |
1053 | { MPLSLDPENTITYSTATSBADTLVLENGTH, COUNTER32, RONLY, | |
1054 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 9}}, | |
1055 | { MPLSLDPENTITYSTATSMALFORMEDTLV, COUNTER32, RONLY, | |
1056 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 10}}, | |
1057 | { MPLSLDPENTITYSTATSKEEPALIVEEXP, COUNTER32, RONLY, | |
1058 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 11}}, | |
1059 | { MPLSLDPENTITYSTATSSHUTDOWNRCVNOTIFY, COUNTER32, RONLY, | |
1060 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 12}}, | |
1061 | { MPLSLDPENTITYSTATSSHUTDOWNSENTNOTIFY, COUNTER32, RONLY, | |
1062 | ldpEntityStatsTable, 5, {1, 2, 4, 1, 13}}, | |
1063 | ||
f9a4d683 KS |
1064 | /* MPLS LDP mplsLdpPeerTable */ |
1065 | {MPLSLDPPEERLDPID, STRING, RONLY, ldpPeerTable, 5, {1, 3, 2, 1, 1}}, | |
1066 | {MPLSLDPPEERLABELDISTMETHOD, INTEGER, RONLY, ldpPeerTable, | |
1067 | 5, {1, 3, 2, 1, 2}}, | |
1068 | {MPLSLDPPEERPATHVECTORLIMIT, INTEGER, RONLY, ldpPeerTable, | |
1069 | 5, {1, 3, 2, 1, 3}}, | |
1070 | {MPLSLDPPEERTRANSPORTADDRTYPE, INTEGER, RONLY, ldpPeerTable, | |
1071 | 5, {1, 3, 2, 1, 4}}, | |
1072 | {MPLSLDPPEERTRANSPORTADDR, STRING, RONLY, ldpPeerTable, | |
1073 | 5, {1, 3, 2, 1, 5}}, | |
1074 | ||
1075 | /* MPLS LDP mplsLdpSessionTable */ | |
1076 | {MPLSLDPSESSIONSTATELASTCHANGE, TIMESTAMP, RONLY, ldpSessionTable, | |
1077 | 5, {1, 3, 3, 1, 1}}, | |
1078 | {MPLSLDPSESSIONSTATE, INTEGER, RONLY, ldpSessionTable, | |
1079 | 5, {1, 3, 3, 1, 2}}, | |
1080 | {MPLSLDPSESSIONROLE, INTEGER, RONLY, ldpSessionTable, | |
1081 | 5, {1, 3, 3, 1, 3}}, | |
1082 | {MPLSLDPSESSIONPROTOCOLVERSION, UNSIGNED32, RONLY, ldpSessionTable, | |
1083 | 5, {1, 3, 3, 1, 4}}, | |
1084 | {MPLSLDPSESSIONKEEPALIVEHOLDTIMEREM, INTEGER, RONLY, ldpSessionTable, | |
1085 | 5, {1, 3, 3, 1, 5}}, | |
1086 | {MPLSLDPSESSIONKEEPALIVETIME, UNSIGNED32, RONLY, ldpSessionTable, | |
1087 | 5, {1, 3, 3, 1, 6}}, | |
1088 | {MPLSLDPSESSIONMAXPDULENGTH, UNSIGNED32, RONLY, ldpSessionTable, | |
1089 | 5, {1, 3, 3, 1, 7}}, | |
1090 | {MPLSLDPSESSIONDISCONTINUITYTIME, TIMESTAMP, RONLY, ldpSessionTable, | |
1091 | 5, {1, 3, 3, 1, 8}}, | |
1092 | ||
d4d6e7d8 KS |
1093 | /* MPLS LDP mplsLdpSessionStatsTable */ |
1094 | {MPLSLDPSESSIONSTATSUNKNOWNMESTYPEERRORS, COUNTER32, RONLY, | |
1095 | ldpSessionStatsTable, 5, {1, 3, 4, 1, 1}}, | |
1096 | {MPLSLDPSESSIONSTATSUNKNOWNTLVERRORS, COUNTER32, RONLY, | |
1097 | ldpSessionStatsTable, 5, {1, 3, 4, 1, 2}}, | |
1098 | ||
f9a4d683 KS |
1099 | /* MPLS LDP mplsLdpHelloAdjacencyTable. */ |
1100 | {MPLSLDPHELLOADJACENCYINDEX, UNSIGNED32, RONLY, | |
1101 | ldpHelloAdjacencyTable, 6, {1, 3, 5, 1, 1, 1}}, | |
1102 | {MPLSLDPHELLOADJACENCYHOLDTIMEREM, INTEGER, RONLY, | |
1103 | ldpHelloAdjacencyTable, 6, {1, 3, 5, 1, 1, 2}}, | |
1104 | {MPLSLDPHELLOADJACENCYHOLDTIME, UNSIGNED32, RONLY, | |
1105 | ldpHelloAdjacencyTable, 6, {1, 3, 5, 1, 1, 3}}, | |
1106 | {MPLSLDPHELLOADJACENCYTYPE, INTEGER, RONLY, | |
1107 | ldpHelloAdjacencyTable, 6, {1, 3, 5, 1, 1, 4}}, | |
1108 | }; | |
1109 | ||
1110 | static struct variable lde_variables[] = { | |
1111 | }; | |
1112 | ||
1113 | static struct trap_object ldpSessionTrapList[] = { | |
1114 | {5, {1, 3, 3, 1, MPLSLDPSESSIONSTATE}}, | |
1115 | {5, {1, 3, 3, 1, MPLSLDPSESSIONDISCONTINUITYTIME}}, | |
1116 | {5, {1, 3, 4, 1, MPLSLDPSESSIONSTATSUNKNOWNMESTYPEERRORS}}, | |
1117 | {5, {1, 3, 4, 1, MPLSLDPSESSIONSTATSUNKNOWNTLVERRORS}}}; | |
1118 | ||
1119 | /* LDP TRAP. */ | |
1120 | #define LDPINITSESSIONTHRESHOLDEXCEEDED 1 | |
1121 | #define LDPPATHVECTORLIMITMISMATCH 2 | |
1122 | #define LDPSESSIONUP 3 | |
1123 | #define LDPSESSIONDOWN 4 | |
1124 | ||
1125 | static void | |
1126 | ldpTrapSession(struct nbr * nbr, unsigned int sptrap) | |
1127 | { | |
1128 | oid index[sizeof(oid) * (LDP_PEER_ENTRY_MAX_IDX_LEN + 1)]; | |
1129 | ||
1130 | struct in_addr entityLdpId = {.s_addr = 0}; | |
1131 | uint32_t entityIndex = 0; | |
1132 | struct in_addr peerLdpId = {.s_addr = 0}; | |
1133 | ||
1134 | struct ctl_nbr *ctl_nbr = nbr_to_ctl(nbr); | |
1135 | ||
1136 | entityLdpId.s_addr = ldp_rtr_id_get(leconf); | |
1137 | entityIndex = LDP_DEFAULT_ENTITY_INDEX; | |
1138 | peerLdpId = ctl_nbr->id; | |
1139 | ||
9e263221 PR |
1140 | oid_copy_in_addr(index, &entityLdpId); |
1141 | index[4] = 0; | |
1142 | index[5] = 0; | |
1143 | index[6] = entityIndex; | |
1144 | oid_copy_in_addr(&index[7], &peerLdpId); | |
1145 | index[11] = 0; | |
1146 | index[12] = 0; | |
f9a4d683 | 1147 | |
9e263221 | 1148 | index[LDP_PEER_ENTRY_MAX_IDX_LEN] = 0; |
f9a4d683 KS |
1149 | |
1150 | smux_trap(ldpe_variables, array_size(ldpe_variables), ldp_trap_oid, | |
1151 | array_size(ldp_trap_oid), ldp_oid, | |
1152 | sizeof(ldp_oid) / sizeof(oid), index, | |
1153 | LDP_PEER_ENTRY_MAX_IDX_LEN + 1, | |
1154 | ldpSessionTrapList, array_size(ldpSessionTrapList), sptrap); | |
1155 | } | |
1156 | ||
1157 | static void | |
1158 | ldpTrapSessionUp(struct nbr * nbr) | |
1159 | { | |
1160 | ldpTrapSession(nbr, LDPSESSIONUP); | |
1161 | } | |
1162 | ||
1163 | static void | |
1164 | ldpTrapSessionDown(struct nbr * nbr) | |
1165 | { | |
1166 | ldpTrapSession(nbr, LDPSESSIONDOWN); | |
1167 | } | |
1168 | ||
1169 | static int ldp_snmp_agentx_enabled() | |
1170 | { | |
1171 | main_imsg_compose_both(IMSG_AGENTX_ENABLED, NULL, 0); | |
1172 | ||
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | static int ldp_snmp_nbr_state_change(struct nbr * nbr, int old_state) | |
1177 | { | |
1178 | if (old_state == nbr->state) | |
1179 | return 0; | |
1180 | ||
1181 | if (nbr->state == NBR_STA_OPER) | |
1182 | ldpTrapSessionUp(nbr); | |
1183 | else if (old_state == NBR_STA_OPER) | |
1184 | ldpTrapSessionDown(nbr); | |
1185 | ||
1186 | return 0; | |
1187 | } | |
1188 | ||
1189 | static int ldp_snmp_init(struct thread_master *tm) | |
1190 | { | |
1191 | hook_register(agentx_enabled, ldp_snmp_agentx_enabled); | |
1192 | ||
1193 | smux_init(tm); | |
1194 | ||
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | static int ldp_snmp_register_mib(struct thread_master *tm) | |
1199 | { | |
1200 | static int registered = 0; | |
1201 | ||
1202 | if (registered) | |
1203 | return 0; | |
1204 | ||
1205 | registered = 1; | |
1206 | ||
1207 | smux_init(tm); | |
1208 | ||
1209 | smux_agentx_enable(); | |
1210 | ||
1211 | if (ldpd_process == PROC_LDE_ENGINE) | |
1212 | REGISTER_MIB("mibII/ldp", lde_variables, variable, ldp_oid); | |
1213 | else if (ldpd_process == PROC_LDP_ENGINE) { | |
1214 | REGISTER_MIB("mibII/ldp", ldpe_variables, variable, ldp_oid); | |
1215 | ||
1216 | hook_register(ldp_nbr_state_change, ldp_snmp_nbr_state_change); | |
1217 | } | |
1218 | ||
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | static int ldp_snmp_module_init(void) | |
1223 | { | |
1224 | if (ldpd_process == PROC_MAIN) | |
1225 | hook_register(frr_late_init, ldp_snmp_init); | |
1226 | else | |
1227 | hook_register(ldp_register_mib, ldp_snmp_register_mib); | |
1228 | ||
1229 | return 0; | |
1230 | } | |
1231 | ||
80413c20 DL |
1232 | FRR_MODULE_SETUP( |
1233 | .name = "ldp_snmp", | |
1234 | .version = FRR_VERSION, | |
1235 | .description = "ldp AgentX SNMP module", | |
1236 | .init = ldp_snmp_module_init, | |
1237 | ); |