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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
aa53f693 PR |
2 | /* MPLS/BGP L3VPN MIB |
3 | * Copyright (C) 2020 Volta Networks Inc | |
aa53f693 PR |
4 | */ |
5 | ||
6 | #include <zebra.h> | |
7 | ||
8 | #include <net-snmp/net-snmp-config.h> | |
9 | #include <net-snmp/net-snmp-includes.h> | |
10 | ||
11 | #include "if.h" | |
12 | #include "log.h" | |
13 | #include "prefix.h" | |
14 | #include "command.h" | |
24a58196 | 15 | #include "frrevent.h" |
aa53f693 PR |
16 | #include "smux.h" |
17 | #include "filter.h" | |
18 | #include "hook.h" | |
19 | #include "libfrr.h" | |
09781197 | 20 | #include "lib/version.h" |
aa53f693 PR |
21 | |
22 | #include "bgpd/bgpd.h" | |
7fd28dd2 | 23 | #include "bgpd/bgp_route.h" |
62e66e55 | 24 | #include "bgpd/bgp_attr.h" |
98a9144f | 25 | #include "bgpd/bgp_ecommunity.h" |
aa53f693 PR |
26 | #include "bgpd/bgp_mplsvpn.h" |
27 | #include "bgpd/bgp_mplsvpn_snmp.h" | |
28 | ||
29 | #define BGP_mplsvpn_notif_enable_true 1 | |
30 | #define BGP_mplsvpn_notif_enable_false 2 | |
31 | ||
aa53f693 PR |
32 | /* MPLSL3VPN MIB described in RFC4382 */ |
33 | #define MPLSL3VPNMIB 1, 3, 6, 1, 2, 1, 10, 166, 11 | |
34 | ||
35 | /* MPLSL3VPN Scalars */ | |
36 | #define MPLSL3VPNCONFIGUREDVRFS 1 | |
37 | #define MPLSL3VPNACTIVEVRFS 2 | |
38 | #define MPLSL3VPNCONNECTEDINTERFACES 3 | |
39 | #define MPLSL3VPNNOTIFICATIONENABLE 4 | |
40 | #define MPLSL3VPNCONFMAXPOSSRTS 5 | |
41 | #define MPLSL3VPNVRFCONFRTEMXTHRSHTIME 6 | |
42 | #define MPLSL3VPNILLLBLRCVTHRSH 7 | |
43 | ||
1ea16ac0 PR |
44 | /* MPLSL3VPN IFConf Table */ |
45 | #define MPLSL3VPNIFVPNCLASSIFICATION 1 | |
46 | #define MPLSL3VPNIFCONFSTORAGETYPE 2 | |
47 | #define MPLSL3VPNIFCONFROWSTATUS 3 | |
48 | ||
0d020cd6 PR |
49 | /* MPLSL3VPN VRF Table */ |
50 | #define MPLSL3VPNVRFVPNID 1 | |
51 | #define MPLSL3VPNVRFDESC 2 | |
52 | #define MPLSL3VPNVRFRD 3 | |
53 | #define MPLSL3VPNVRFCREATIONTIME 4 | |
54 | #define MPLSL3VPNVRFOPERSTATUS 5 | |
55 | #define MPLSL3VPNVRFACTIVEINTERFACES 6 | |
56 | #define MPLSL3VPNVRFASSOCIATEDINTERFACES 7 | |
57 | #define MPLSL3VPNVRFCONFMIDRTETHRESH 8 | |
58 | #define MPLSL3VPNVRFCONFHIGHRTETHRSH 9 | |
59 | #define MPLSL3VPNVRFCONFMAXROUTES 10 | |
60 | #define MPLSL3VPNVRFCONFLASTCHANGED 11 | |
61 | #define MPLSL3VPNVRFCONFROWSTATUS 12 | |
62 | #define MPLSL3VPNVRFCONFADMINSTATUS 13 | |
63 | #define MPLSL3VPNVRFCONFSTORAGETYPE 14 | |
64 | ||
98a9144f PR |
65 | /* MPLSL3VPN RT Table */ |
66 | #define MPLSL3VPNVRFRT 1 | |
67 | #define MPLSL3VPNVRFRTDESCR 2 | |
68 | #define MPLSL3VPNVRFRTROWSTATUS 3 | |
69 | #define MPLSL3VPNVRFRTSTORAGETYPE 4 | |
70 | ||
7fd28dd2 PR |
71 | /* MPLSL3VPN PERF Table */ |
72 | #define MPLSL3VPNVRFPERFROUTESADDED 1 | |
73 | #define MPLSL3VPNVRFPERFROUTESDELETED 2 | |
74 | #define MPLSL3VPNVRFPERFCURRNUMROUTES 3 | |
75 | ||
62e66e55 PR |
76 | /* MPLSL3VPN RTE Table */ |
77 | #define MPLSL3VPNVRFRTEINETCIDRDESTTYPE 1 | |
78 | #define MPLSL3VPNVRFRTEINETCIDRDEST 2 | |
79 | #define MPLSL3VPNVRFRTEINETCIDRPFXLEN 3 | |
80 | #define MPLSL3VPNVRFRTEINETCIDRPOLICY 4 | |
81 | #define MPLSL3VPNVRFRTEINETCIDRNHOPTYPE 5 | |
82 | #define MPLSL3VPNVRFRTEINETCIDRNEXTHOP 6 | |
83 | #define MPLSL3VPNVRFRTEINETCIDRIFINDEX 7 | |
84 | #define MPLSL3VPNVRFRTEINETCIDRTYPE 8 | |
85 | #define MPLSL3VPNVRFRTEINETCIDRPROTO 9 | |
86 | #define MPLSL3VPNVRFRTEINETCIDRAGE 10 | |
87 | #define MPLSL3VPNVRFRTEINETCIDRNEXTHOPAS 11 | |
88 | #define MPLSL3VPNVRFRTEINETCIDRMETRIC1 12 | |
89 | #define MPLSL3VPNVRFRTEINETCIDRMETRIC2 13 | |
90 | #define MPLSL3VPNVRFRTEINETCIDRMETRIC3 14 | |
91 | #define MPLSL3VPNVRFRTEINETCIDRMETRIC4 15 | |
92 | #define MPLSL3VPNVRFRTEINETCIDRMETRIC5 16 | |
93 | #define MPLSL3VPNVRFRTEINETCIDRXCPOINTER 17 | |
94 | #define MPLSL3VPNVRFRTEINETCIDRSTATUS 18 | |
95 | ||
8db8e86a PR |
96 | /* BGP Trap */ |
97 | #define MPLSL3VPNVRFUP 1 | |
98 | #define MPLSL3VPNDOWN 2 | |
99 | ||
aa53f693 PR |
100 | /* SNMP value hack. */ |
101 | #define INTEGER ASN_INTEGER | |
102 | #define INTEGER32 ASN_INTEGER | |
103 | #define COUNTER32 ASN_COUNTER | |
104 | #define OCTET_STRING ASN_OCTET_STR | |
105 | #define IPADDRESS ASN_IPADDRESS | |
106 | #define GAUGE32 ASN_UNSIGNED | |
0d020cd6 | 107 | #define TIMETICKS ASN_TIMETICKS |
62e66e55 | 108 | #define OID ASN_OBJECT_ID |
aa53f693 PR |
109 | |
110 | /* Declare static local variables for convenience. */ | |
111 | SNMP_LOCAL_VARIABLES | |
112 | ||
98a9144f PR |
113 | #define RT_PREAMBLE_SIZE 20 |
114 | ||
62e66e55 | 115 | /* BGP-MPLS-MIB instances */ |
aa53f693 | 116 | static oid mpls_l3vpn_oid[] = {MPLSL3VPNMIB}; |
8db8e86a | 117 | static oid mpls_l3vpn_trap_oid[] = {MPLSL3VPNMIB, 0}; |
0d020cd6 | 118 | static char rd_buf[RD_ADDRSTRLEN]; |
8db8e86a PR |
119 | /* Notifications enabled by default */ |
120 | static uint8_t bgp_mplsvpn_notif_enable = SNMP_TRUE; | |
62e66e55 PR |
121 | static oid mpls_l3vpn_policy_oid[2] = {0, 0}; |
122 | static const char *empty_nhop = ""; | |
98a9144f | 123 | char rt_description[VRF_NAMSIZ + RT_PREAMBLE_SIZE]; |
aa53f693 PR |
124 | |
125 | static uint8_t *mplsL3vpnConfiguredVrfs(struct variable *, oid[], size_t *, int, | |
126 | size_t *, WriteMethod **); | |
127 | ||
128 | static uint8_t *mplsL3vpnActiveVrfs(struct variable *, oid[], size_t *, int, | |
129 | size_t *, WriteMethod **); | |
130 | ||
131 | static uint8_t *mplsL3vpnConnectedInterfaces(struct variable *, oid[], size_t *, | |
132 | int, size_t *, WriteMethod **); | |
133 | ||
134 | static uint8_t *mplsL3vpnNotificationEnable(struct variable *, oid[], size_t *, | |
135 | int, size_t *, WriteMethod **); | |
136 | ||
137 | static uint8_t *mplsL3vpnVrfConfMaxPossRts(struct variable *, oid[], size_t *, | |
138 | int, size_t *, WriteMethod **); | |
139 | ||
140 | static uint8_t *mplsL3vpnVrfConfRteMxThrshTime(struct variable *, oid[], | |
141 | size_t *, int, size_t *, | |
142 | WriteMethod **); | |
143 | ||
144 | static uint8_t *mplsL3vpnIllLblRcvThrsh(struct variable *, oid[], size_t *, int, | |
145 | size_t *, WriteMethod **); | |
146 | ||
0d020cd6 PR |
147 | static uint8_t *mplsL3vpnVrfTable(struct variable *, oid[], size_t *, int, |
148 | size_t *, WriteMethod **); | |
149 | ||
98a9144f PR |
150 | static uint8_t *mplsL3vpnVrfRtTable(struct variable *, oid[], size_t *, int, |
151 | size_t *, WriteMethod **); | |
152 | ||
1ea16ac0 PR |
153 | static uint8_t *mplsL3vpnIfConfTable(struct variable *, oid[], size_t *, int, |
154 | size_t *, WriteMethod **); | |
155 | ||
7fd28dd2 PR |
156 | static uint8_t *mplsL3vpnPerfTable(struct variable *, oid[], size_t *, int, |
157 | size_t *, WriteMethod **); | |
158 | ||
62e66e55 PR |
159 | static uint8_t *mplsL3vpnRteTable(struct variable *, oid[], size_t *, int, |
160 | size_t *, WriteMethod **); | |
161 | ||
0d020cd6 | 162 | |
aa53f693 PR |
163 | static struct variable mpls_l3vpn_variables[] = { |
164 | /* BGP version. */ | |
165 | {MPLSL3VPNCONFIGUREDVRFS, | |
166 | GAUGE32, | |
167 | RONLY, | |
168 | mplsL3vpnConfiguredVrfs, | |
169 | 3, | |
170 | {1, 1, 1} }, | |
171 | {MPLSL3VPNACTIVEVRFS, | |
172 | GAUGE32, | |
173 | RONLY, | |
174 | mplsL3vpnActiveVrfs, | |
175 | 3, | |
176 | {1, 1, 2} }, | |
177 | {MPLSL3VPNCONNECTEDINTERFACES, | |
178 | GAUGE32, | |
179 | RONLY, | |
180 | mplsL3vpnConnectedInterfaces, | |
181 | 3, | |
182 | {1, 1, 3} }, | |
183 | {MPLSL3VPNNOTIFICATIONENABLE, | |
184 | INTEGER, | |
185 | RWRITE, | |
186 | mplsL3vpnNotificationEnable, | |
187 | 3, | |
188 | {1, 1, 4} }, | |
189 | {MPLSL3VPNCONFMAXPOSSRTS, | |
190 | GAUGE32, | |
191 | RONLY, | |
192 | mplsL3vpnVrfConfMaxPossRts, | |
193 | 3, | |
194 | {1, 1, 5} }, | |
195 | {MPLSL3VPNVRFCONFRTEMXTHRSHTIME, | |
196 | GAUGE32, | |
197 | RONLY, | |
198 | mplsL3vpnVrfConfRteMxThrshTime, | |
199 | 3, | |
200 | {1, 1, 6} }, | |
201 | {MPLSL3VPNILLLBLRCVTHRSH, | |
202 | GAUGE32, | |
203 | RONLY, | |
204 | mplsL3vpnIllLblRcvThrsh, | |
205 | 3, | |
206 | {1, 1, 7} }, | |
207 | ||
1ea16ac0 PR |
208 | /* Ifconf Table */ |
209 | {MPLSL3VPNIFVPNCLASSIFICATION, | |
210 | INTEGER, | |
211 | RONLY, | |
212 | mplsL3vpnIfConfTable, | |
213 | 5, | |
214 | {1, 2, 1, 1, 2} }, | |
215 | {MPLSL3VPNIFCONFSTORAGETYPE, | |
216 | INTEGER, | |
217 | RONLY, | |
218 | mplsL3vpnIfConfTable, | |
219 | 5, | |
220 | {1, 2, 1, 1, 4} }, | |
221 | {MPLSL3VPNIFCONFROWSTATUS, | |
222 | INTEGER, | |
223 | RONLY, | |
224 | mplsL3vpnIfConfTable, | |
225 | 5, | |
226 | {1, 2, 1, 1, 5} }, | |
227 | ||
7fd28dd2 | 228 | /* mplsL3VpnVrf Table */ |
0d020cd6 PR |
229 | {MPLSL3VPNVRFVPNID, |
230 | OCTET_STRING, | |
231 | RONLY, | |
232 | mplsL3vpnVrfTable, | |
233 | 5, | |
234 | {1, 2, 2, 1, 2} }, | |
235 | {MPLSL3VPNVRFDESC, | |
236 | OCTET_STRING, | |
237 | RONLY, | |
238 | mplsL3vpnVrfTable, | |
239 | 5, | |
240 | {1, 2, 2, 1, 3} }, | |
241 | {MPLSL3VPNVRFRD, | |
242 | OCTET_STRING, | |
243 | RONLY, | |
244 | mplsL3vpnVrfTable, | |
245 | 5, | |
246 | {1, 2, 2, 1, 4} }, | |
247 | {MPLSL3VPNVRFCREATIONTIME, | |
248 | TIMETICKS, | |
249 | RONLY, | |
250 | mplsL3vpnVrfTable, | |
251 | 5, | |
252 | {1, 2, 2, 1, 5} }, | |
253 | {MPLSL3VPNVRFOPERSTATUS, | |
254 | INTEGER, | |
255 | RONLY, | |
256 | mplsL3vpnVrfTable, | |
257 | 5, | |
258 | {1, 2, 2, 1, 6} }, | |
259 | {MPLSL3VPNVRFACTIVEINTERFACES, | |
260 | GAUGE32, | |
261 | RONLY, | |
262 | mplsL3vpnVrfTable, | |
263 | 5, | |
264 | {1, 2, 2, 1, 7} }, | |
265 | {MPLSL3VPNVRFASSOCIATEDINTERFACES, | |
266 | GAUGE32, | |
267 | RONLY, | |
268 | mplsL3vpnVrfTable, | |
269 | 5, | |
270 | {1, 2, 2, 1, 8} }, | |
271 | {MPLSL3VPNVRFCONFMIDRTETHRESH, | |
272 | GAUGE32, | |
273 | RONLY, | |
274 | mplsL3vpnVrfTable, | |
275 | 5, | |
276 | {1, 2, 2, 1, 9} }, | |
277 | {MPLSL3VPNVRFCONFHIGHRTETHRSH, | |
278 | GAUGE32, | |
279 | RONLY, | |
280 | mplsL3vpnVrfTable, | |
281 | 5, | |
282 | {1, 2, 2, 1, 10} }, | |
283 | {MPLSL3VPNVRFCONFMAXROUTES, | |
284 | GAUGE32, | |
285 | RONLY, | |
286 | mplsL3vpnVrfTable, | |
287 | 5, | |
288 | {1, 2, 2, 1, 11} }, | |
289 | {MPLSL3VPNVRFCONFLASTCHANGED, | |
290 | TIMETICKS, | |
291 | RONLY, | |
292 | mplsL3vpnVrfTable, | |
293 | 5, | |
294 | {1, 2, 2, 1, 12} }, | |
295 | {MPLSL3VPNVRFCONFROWSTATUS, | |
296 | INTEGER, | |
297 | RONLY, | |
298 | mplsL3vpnVrfTable, | |
299 | 5, | |
300 | {1, 2, 2, 1, 13} }, | |
301 | {MPLSL3VPNVRFCONFADMINSTATUS, | |
302 | INTEGER, | |
303 | RONLY, | |
304 | mplsL3vpnVrfTable, | |
305 | 5, | |
306 | {1, 2, 2, 1, 14} }, | |
307 | {MPLSL3VPNVRFCONFSTORAGETYPE, | |
308 | INTEGER, | |
309 | RONLY, | |
310 | mplsL3vpnVrfTable, | |
311 | 5, | |
312 | {1, 2, 2, 1, 15} }, | |
7fd28dd2 | 313 | |
98a9144f PR |
314 | /* mplsL3vpnVrfRt Table */ |
315 | {MPLSL3VPNVRFRT, | |
316 | OCTET_STRING, | |
317 | RONLY, | |
318 | mplsL3vpnVrfRtTable, | |
319 | 5, | |
320 | {1, 2, 3, 1, 4} }, | |
321 | {MPLSL3VPNVRFRTDESCR, | |
322 | OCTET_STRING, | |
323 | RONLY, | |
324 | mplsL3vpnVrfRtTable, | |
325 | 5, | |
326 | {1, 2, 3, 1, 5} }, | |
327 | {MPLSL3VPNVRFRTROWSTATUS, | |
328 | INTEGER, | |
329 | RONLY, | |
330 | mplsL3vpnVrfRtTable, | |
331 | 5, | |
332 | {1, 2, 3, 1, 6} }, | |
333 | {MPLSL3VPNVRFRTSTORAGETYPE, | |
334 | INTEGER, | |
335 | RONLY, | |
336 | mplsL3vpnVrfRtTable, | |
337 | 5, | |
338 | {1, 2, 3, 1, 7} }, | |
339 | ||
7fd28dd2 PR |
340 | /* mplsL3VpnPerfTable */ |
341 | {MPLSL3VPNVRFPERFROUTESADDED, | |
342 | COUNTER32, | |
343 | RONLY, | |
344 | mplsL3vpnPerfTable, | |
345 | 5, | |
346 | {1, 3, 1, 1, 1} }, | |
347 | {MPLSL3VPNVRFPERFROUTESDELETED, | |
348 | COUNTER32, | |
349 | RONLY, | |
350 | mplsL3vpnPerfTable, | |
351 | 5, | |
352 | {1, 3, 1, 1, 2} }, | |
353 | {MPLSL3VPNVRFPERFCURRNUMROUTES, | |
354 | GAUGE32, | |
355 | RONLY, | |
356 | mplsL3vpnPerfTable, | |
357 | 5, | |
358 | {1, 3, 1, 1, 3} }, | |
62e66e55 PR |
359 | |
360 | /* mplsVpnRteTable */ | |
361 | {MPLSL3VPNVRFRTEINETCIDRDESTTYPE, | |
362 | INTEGER, | |
363 | RONLY, | |
364 | mplsL3vpnRteTable, | |
365 | 5, | |
366 | {1, 4, 1, 1, 1} }, | |
367 | {MPLSL3VPNVRFRTEINETCIDRDEST, | |
368 | OCTET_STRING, | |
369 | RONLY, | |
370 | mplsL3vpnRteTable, | |
371 | 5, | |
372 | {1, 4, 1, 1, 2} }, | |
373 | {MPLSL3VPNVRFRTEINETCIDRPFXLEN, | |
374 | GAUGE32, | |
375 | RONLY, | |
376 | mplsL3vpnRteTable, | |
377 | 5, | |
378 | {1, 4, 1, 1, 3} }, | |
379 | {MPLSL3VPNVRFRTEINETCIDRPOLICY, | |
380 | OID, | |
381 | RONLY, | |
382 | mplsL3vpnRteTable, | |
383 | 5, | |
384 | {1, 4, 1, 1, 4} }, | |
385 | {MPLSL3VPNVRFRTEINETCIDRNHOPTYPE, | |
386 | INTEGER, | |
387 | RONLY, | |
388 | mplsL3vpnRteTable, | |
389 | 5, | |
390 | {1, 4, 1, 1, 5} }, | |
391 | {MPLSL3VPNVRFRTEINETCIDRNEXTHOP, | |
392 | OCTET_STRING, | |
393 | RONLY, | |
394 | mplsL3vpnRteTable, | |
395 | 5, | |
396 | {1, 4, 1, 1, 6} }, | |
397 | {MPLSL3VPNVRFRTEINETCIDRIFINDEX, | |
398 | INTEGER, | |
399 | RONLY, | |
400 | mplsL3vpnRteTable, | |
401 | 5, | |
402 | {1, 4, 1, 1, 7} }, | |
403 | {MPLSL3VPNVRFRTEINETCIDRTYPE, | |
404 | INTEGER, | |
405 | RONLY, | |
406 | mplsL3vpnRteTable, | |
407 | 5, | |
408 | {1, 4, 1, 1, 8} }, | |
409 | {MPLSL3VPNVRFRTEINETCIDRPROTO, | |
410 | INTEGER, | |
411 | RONLY, | |
412 | mplsL3vpnRteTable, | |
413 | 5, | |
414 | {1, 4, 1, 1, 9} }, | |
415 | {MPLSL3VPNVRFRTEINETCIDRAGE, | |
416 | GAUGE32, | |
417 | RONLY, | |
418 | mplsL3vpnRteTable, | |
419 | 5, | |
420 | {1, 4, 1, 1, 10} }, | |
421 | {MPLSL3VPNVRFRTEINETCIDRNEXTHOPAS, | |
422 | GAUGE32, | |
423 | RONLY, | |
424 | mplsL3vpnRteTable, | |
425 | 5, | |
426 | {1, 4, 1, 1, 11} }, | |
427 | {MPLSL3VPNVRFRTEINETCIDRMETRIC1, | |
428 | INTEGER, | |
429 | RONLY, | |
430 | mplsL3vpnRteTable, | |
431 | 5, | |
432 | {1, 4, 1, 1, 12} }, | |
433 | {MPLSL3VPNVRFRTEINETCIDRMETRIC2, | |
434 | INTEGER, | |
435 | RONLY, | |
436 | mplsL3vpnRteTable, | |
437 | 5, | |
438 | {1, 4, 1, 1, 13} }, | |
439 | {MPLSL3VPNVRFRTEINETCIDRMETRIC3, | |
440 | INTEGER, | |
441 | RONLY, | |
442 | mplsL3vpnRteTable, | |
443 | 5, | |
444 | {1, 4, 1, 1, 14} }, | |
445 | {MPLSL3VPNVRFRTEINETCIDRMETRIC4, | |
446 | INTEGER, | |
447 | RONLY, | |
448 | mplsL3vpnRteTable, | |
449 | 5, | |
450 | {1, 4, 1, 1, 15} }, | |
451 | {MPLSL3VPNVRFRTEINETCIDRMETRIC5, | |
452 | INTEGER, | |
453 | RONLY, | |
454 | mplsL3vpnRteTable, | |
455 | 5, | |
456 | {1, 4, 1, 1, 16} }, | |
457 | {MPLSL3VPNVRFRTEINETCIDRXCPOINTER, | |
458 | OCTET_STRING, | |
459 | RONLY, | |
460 | mplsL3vpnRteTable, | |
461 | 5, | |
462 | {1, 4, 1, 1, 17} }, | |
463 | {MPLSL3VPNVRFRTEINETCIDRSTATUS, | |
464 | INTEGER, | |
465 | RONLY, | |
466 | mplsL3vpnRteTable, | |
467 | 5, | |
468 | {1, 4, 1, 1, 18} }, | |
aa53f693 PR |
469 | }; |
470 | ||
0d020cd6 PR |
471 | /* timeticks are in hundredths of a second */ |
472 | static void bgp_mpls_l3vpn_update_timeticks(time_t *counter) | |
473 | { | |
474 | struct timeval tv; | |
475 | ||
476 | monotime(&tv); | |
477 | *counter = (tv.tv_sec * 100) + (tv.tv_usec / 10000); | |
478 | } | |
479 | ||
480 | static int bgp_mpls_l3vpn_update_last_changed(struct bgp *bgp) | |
481 | { | |
482 | if (bgp->snmp_stats) | |
483 | bgp_mpls_l3vpn_update_timeticks( | |
484 | &(bgp->snmp_stats->modify_time)); | |
485 | return 0; | |
486 | } | |
487 | ||
7fd28dd2 PR |
488 | static uint32_t bgp_mpls_l3vpn_current_routes(struct bgp *l3vpn_bgp) |
489 | { | |
490 | uint32_t count = 0; | |
491 | struct bgp_table *table; | |
492 | struct bgp_dest *dest; | |
493 | struct bgp_path_info *pi; | |
494 | ||
495 | table = l3vpn_bgp->rib[AFI_IP][SAFI_UNICAST]; | |
496 | for (dest = bgp_table_top(table); dest; dest = bgp_route_next(dest)) { | |
497 | pi = bgp_dest_get_bgp_path_info(dest); | |
498 | for (; pi; pi = pi->next) | |
499 | count++; | |
500 | } | |
501 | table = l3vpn_bgp->rib[AFI_IP6][SAFI_UNICAST]; | |
502 | for (dest = bgp_table_top(table); dest; dest = bgp_route_next(dest)) { | |
503 | pi = bgp_dest_get_bgp_path_info(dest); | |
504 | for (; pi; pi = pi->next) | |
505 | count++; | |
506 | } | |
507 | return count; | |
508 | } | |
509 | ||
0d020cd6 PR |
510 | static int bgp_init_snmp_stats(struct bgp *bgp) |
511 | { | |
512 | if (is_bgp_vrf_mplsvpn(bgp)) { | |
513 | if (bgp->snmp_stats == NULL) { | |
514 | bgp->snmp_stats = XCALLOC( | |
515 | MTYPE_BGP, sizeof(struct bgp_snmp_stats)); | |
516 | /* fix up added routes */ | |
7fd28dd2 PR |
517 | if (bgp->snmp_stats) { |
518 | bgp->snmp_stats->routes_added = | |
519 | bgp_mpls_l3vpn_current_routes(bgp); | |
0d020cd6 PR |
520 | bgp_mpls_l3vpn_update_timeticks( |
521 | &(bgp->snmp_stats->creation_time)); | |
7fd28dd2 | 522 | } |
0d020cd6 PR |
523 | } |
524 | } else { | |
525 | if (bgp->snmp_stats) { | |
526 | XFREE(MTYPE_BGP, bgp->snmp_stats); | |
527 | bgp->snmp_stats = NULL; | |
528 | } | |
529 | } | |
530 | /* Something changed - update the timestamp */ | |
531 | bgp_mpls_l3vpn_update_last_changed(bgp); | |
532 | return 0; | |
533 | } | |
534 | ||
7fd28dd2 PR |
535 | static int bgp_snmp_update_route_stats(struct bgp_dest *dest, |
536 | struct bgp_path_info *pi, bool added) | |
537 | { | |
538 | struct bgp_table *table; | |
539 | ||
540 | if (dest) { | |
541 | table = bgp_dest_table(dest); | |
542 | /* only update if we have a stats block - MPLSVPN vrfs for now*/ | |
543 | if (table && table->bgp && table->bgp->snmp_stats) { | |
544 | if (added) | |
545 | table->bgp->snmp_stats->routes_added++; | |
546 | else | |
547 | table->bgp->snmp_stats->routes_deleted++; | |
548 | } | |
549 | } | |
550 | return 0; | |
551 | } | |
552 | ||
0d020cd6 PR |
553 | static bool is_bgp_vrf_active(struct bgp *bgp) |
554 | { | |
555 | struct vrf *vrf; | |
556 | struct interface *ifp; | |
557 | ||
558 | /* if there is one interface in the vrf which is up then it is deemed | |
559 | * active | |
560 | */ | |
561 | vrf = vrf_lookup_by_id(bgp->vrf_id); | |
562 | if (vrf == NULL) | |
563 | return false; | |
564 | RB_FOREACH (ifp, if_name_head, &vrf->ifaces_by_name) { | |
565 | /* if we are in a vrf skip the l3mdev */ | |
566 | if (bgp->name && strncmp(ifp->name, bgp->name, VRF_NAMSIZ) == 0) | |
567 | continue; | |
568 | ||
569 | if (if_is_up(ifp)) | |
570 | return true; | |
571 | } | |
572 | return false; | |
573 | } | |
574 | ||
8db8e86a PR |
575 | /* BGP Traps. */ |
576 | static struct trap_object l3vpn_trap_list[] = {{5, {1, 2, 1, 1, 5} }, | |
577 | {5, {1, 2, 2, 1, 6} } }; | |
578 | ||
0d020cd6 PR |
579 | static int bgp_vrf_check_update_active(struct bgp *bgp, struct interface *ifp) |
580 | { | |
581 | bool new_active = false; | |
8db8e86a PR |
582 | oid trap; |
583 | struct index_oid trap_index[2]; | |
0d020cd6 | 584 | |
8db8e86a PR |
585 | if (!is_bgp_vrf_mplsvpn(bgp) || bgp->snmp_stats == NULL |
586 | || !bgp_mplsvpn_notif_enable) | |
0d020cd6 PR |
587 | return 0; |
588 | new_active = is_bgp_vrf_active(bgp); | |
589 | if (bgp->snmp_stats->active != new_active) { | |
590 | /* add trap in here */ | |
591 | bgp->snmp_stats->active = new_active; | |
8db8e86a PR |
592 | |
593 | /* send relevent trap */ | |
594 | if (bgp->snmp_stats->active) | |
595 | trap = MPLSL3VPNVRFUP; | |
596 | else | |
597 | trap = MPLSL3VPNDOWN; | |
598 | ||
599 | /* | |
600 | * first index vrf_name + ifindex | |
601 | * second index vrf_name | |
602 | */ | |
603 | trap_index[1].indexlen = strnlen(bgp->name, VRF_NAMSIZ); | |
604 | oid_copy_str(trap_index[0].indexname, bgp->name, | |
605 | trap_index[1].indexlen); | |
606 | oid_copy_str(trap_index[1].indexname, bgp->name, | |
607 | trap_index[1].indexlen); | |
608 | trap_index[0].indexlen = | |
609 | trap_index[1].indexlen + sizeof(ifindex_t); | |
610 | oid_copy_int(trap_index[0].indexname + trap_index[1].indexlen, | |
611 | (int *)&(ifp->ifindex)); | |
612 | ||
613 | smux_trap_multi_index( | |
614 | mpls_l3vpn_variables, array_size(mpls_l3vpn_variables), | |
615 | mpls_l3vpn_trap_oid, array_size(mpls_l3vpn_trap_oid), | |
616 | mpls_l3vpn_oid, sizeof(mpls_l3vpn_oid) / sizeof(oid), | |
617 | trap_index, array_size(trap_index), l3vpn_trap_list, | |
618 | array_size(l3vpn_trap_list), trap); | |
0d020cd6 | 619 | } |
8db8e86a | 620 | bgp_mpls_l3vpn_update_last_changed(bgp); |
0d020cd6 PR |
621 | return 0; |
622 | } | |
623 | ||
aa53f693 PR |
624 | static uint8_t *mplsL3vpnConfiguredVrfs(struct variable *v, oid name[], |
625 | size_t *length, int exact, | |
626 | size_t *var_len, | |
627 | WriteMethod **write_method) | |
628 | { | |
629 | struct listnode *node, *nnode; | |
630 | struct bgp *bgp; | |
631 | uint32_t count = 0; | |
632 | ||
633 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
634 | == MATCH_FAILED) | |
635 | return NULL; | |
636 | ||
637 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) { | |
638 | if (is_bgp_vrf_mplsvpn(bgp)) | |
639 | count++; | |
640 | } | |
641 | return SNMP_INTEGER(count); | |
642 | } | |
643 | ||
644 | static uint8_t *mplsL3vpnActiveVrfs(struct variable *v, oid name[], | |
645 | size_t *length, int exact, size_t *var_len, | |
646 | WriteMethod **write_method) | |
647 | { | |
648 | struct listnode *node, *nnode; | |
649 | struct bgp *bgp; | |
650 | uint32_t count = 0; | |
651 | ||
652 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
653 | == MATCH_FAILED) | |
654 | return NULL; | |
655 | ||
656 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) { | |
657 | if (is_bgp_vrf_mplsvpn(bgp) && is_bgp_vrf_active(bgp)) | |
658 | count++; | |
659 | } | |
660 | return SNMP_INTEGER(count); | |
661 | } | |
662 | ||
663 | static uint8_t *mplsL3vpnConnectedInterfaces(struct variable *v, oid name[], | |
664 | size_t *length, int exact, | |
665 | size_t *var_len, | |
666 | WriteMethod **write_method) | |
667 | { | |
668 | struct listnode *node, *nnode; | |
669 | struct bgp *bgp; | |
670 | uint32_t count = 0; | |
671 | struct vrf *vrf; | |
672 | ||
673 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
674 | == MATCH_FAILED) | |
675 | return NULL; | |
676 | ||
677 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) { | |
678 | if (is_bgp_vrf_mplsvpn(bgp)) { | |
679 | vrf = vrf_lookup_by_name(bgp->name); | |
680 | if (vrf == NULL) | |
681 | continue; | |
682 | ||
683 | count += vrf_interface_count(vrf); | |
684 | } | |
685 | } | |
686 | ||
687 | return SNMP_INTEGER(count); | |
688 | } | |
689 | ||
690 | static int write_mplsL3vpnNotificationEnable(int action, uint8_t *var_val, | |
691 | uint8_t var_val_type, | |
692 | size_t var_val_len, uint8_t *statP, | |
693 | oid *name, size_t length) | |
694 | { | |
695 | uint32_t intval; | |
696 | ||
8db8e86a | 697 | if (var_val_type != ASN_INTEGER) |
aa53f693 | 698 | return SNMP_ERR_WRONGTYPE; |
aa53f693 | 699 | |
8db8e86a | 700 | if (var_val_len != sizeof(long)) |
aa53f693 | 701 | return SNMP_ERR_WRONGLENGTH; |
aa53f693 PR |
702 | |
703 | intval = *(long *)var_val; | |
704 | bgp_mplsvpn_notif_enable = intval; | |
705 | return SNMP_ERR_NOERROR; | |
706 | } | |
707 | ||
708 | static uint8_t *mplsL3vpnNotificationEnable(struct variable *v, oid name[], | |
709 | size_t *length, int exact, | |
710 | size_t *var_len, | |
711 | WriteMethod **write_method) | |
712 | { | |
713 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
714 | == MATCH_FAILED) | |
715 | return NULL; | |
716 | ||
aa53f693 PR |
717 | *write_method = write_mplsL3vpnNotificationEnable; |
718 | return SNMP_INTEGER(bgp_mplsvpn_notif_enable); | |
719 | } | |
720 | ||
721 | static uint8_t *mplsL3vpnVrfConfMaxPossRts(struct variable *v, oid name[], | |
722 | size_t *length, int exact, | |
723 | size_t *var_len, | |
724 | WriteMethod **write_method) | |
725 | { | |
726 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
727 | == MATCH_FAILED) | |
728 | return NULL; | |
729 | ||
730 | return SNMP_INTEGER(0); | |
731 | } | |
732 | ||
733 | static uint8_t *mplsL3vpnVrfConfRteMxThrshTime(struct variable *v, oid name[], | |
734 | size_t *length, int exact, | |
735 | size_t *var_len, | |
736 | WriteMethod **write_method) | |
737 | { | |
738 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
739 | == MATCH_FAILED) | |
740 | return NULL; | |
741 | ||
742 | return SNMP_INTEGER(0); | |
743 | } | |
744 | ||
745 | static uint8_t *mplsL3vpnIllLblRcvThrsh(struct variable *v, oid name[], | |
746 | size_t *length, int exact, | |
747 | size_t *var_len, | |
748 | WriteMethod **write_method) | |
749 | { | |
750 | if (smux_header_generic(v, name, length, exact, var_len, write_method) | |
751 | == MATCH_FAILED) | |
752 | return NULL; | |
753 | ||
754 | return SNMP_INTEGER(0); | |
755 | } | |
756 | ||
757 | ||
1ea16ac0 | 758 | static struct bgp *bgp_lookup_by_name_next(char *vrf_name) |
0d020cd6 PR |
759 | { |
760 | struct bgp *bgp, *bgp_next = NULL; | |
761 | struct listnode *node, *nnode; | |
762 | bool first = false; | |
763 | ||
764 | /* | |
765 | * the vrfs are not stored alphabetically but since we are using the | |
766 | * vrf name as an index we need the getnext function to return them | |
767 | * in a atrict order. Thus run through and find the best next one. | |
768 | */ | |
769 | for (ALL_LIST_ELEMENTS(bm->bgp, node, nnode, bgp)) { | |
770 | if (!is_bgp_vrf_mplsvpn(bgp)) | |
771 | continue; | |
772 | if (strnlen(vrf_name, VRF_NAMSIZ) == 0 && bgp_next == NULL) { | |
773 | first = true; | |
774 | bgp_next = bgp; | |
775 | continue; | |
776 | } | |
777 | if (first || strncmp(bgp->name, vrf_name, VRF_NAMSIZ) > 0) { | |
778 | if (bgp_next == NULL) | |
779 | bgp_next = bgp; | |
780 | else if (strncmp(bgp->name, bgp_next->name, VRF_NAMSIZ) | |
781 | < 0) | |
782 | bgp_next = bgp; | |
783 | } | |
784 | } | |
785 | return bgp_next; | |
786 | } | |
787 | ||
1ea16ac0 PR |
788 | /* 1.3.6.1.2.1.10.166.11.1.2.1.1.x = 14*/ |
789 | #define IFCONFTAB_NAMELEN 14 | |
790 | static struct bgp *bgpL3vpnIfConf_lookup(struct variable *v, oid name[], | |
791 | size_t *length, char *vrf_name, | |
792 | ifindex_t *ifindex, int exact) | |
793 | { | |
794 | struct bgp *bgp = NULL; | |
795 | size_t namelen = v ? v->namelen : IFCONFTAB_NAMELEN; | |
796 | struct interface *ifp; | |
797 | int vrf_name_len, len; | |
798 | ||
799 | /* too long ? */ | |
800 | if (*length - namelen > (VRF_NAMSIZ + sizeof(uint32_t))) | |
801 | return NULL; | |
802 | /* do we have index info in the oid ? */ | |
803 | if (*length - namelen != 0 && *length - namelen >= sizeof(uint32_t)) { | |
804 | /* copy the info from the oid */ | |
805 | vrf_name_len = *length - (namelen + sizeof(ifindex_t)); | |
806 | oid2string(name + namelen, vrf_name_len, vrf_name); | |
807 | oid2int(name + namelen + vrf_name_len, ifindex); | |
808 | } | |
809 | ||
810 | if (exact) { | |
811 | /* Check the length. */ | |
812 | bgp = bgp_lookup_by_name(vrf_name); | |
813 | if (bgp && !is_bgp_vrf_mplsvpn(bgp)) | |
814 | return NULL; | |
815 | if (!bgp) | |
816 | return NULL; | |
817 | ifp = if_lookup_by_index(*ifindex, bgp->vrf_id); | |
818 | if (!ifp) | |
819 | return NULL; | |
820 | } else { | |
821 | if (strnlen(vrf_name, VRF_NAMSIZ) == 0) | |
822 | bgp = bgp_lookup_by_name_next(vrf_name); | |
823 | else | |
824 | bgp = bgp_lookup_by_name(vrf_name); | |
825 | ||
826 | while (bgp) { | |
827 | ifp = if_vrf_lookup_by_index_next(*ifindex, | |
828 | bgp->vrf_id); | |
829 | if (ifp) { | |
830 | vrf_name_len = strnlen(bgp->name, VRF_NAMSIZ); | |
831 | *ifindex = ifp->ifindex; | |
832 | len = vrf_name_len + sizeof(ifindex_t); | |
833 | oid_copy_str(name + namelen, bgp->name, | |
834 | vrf_name_len); | |
835 | oid_copy_int(name + namelen + vrf_name_len, | |
836 | ifindex); | |
837 | *length = len + namelen; | |
838 | ||
839 | return bgp; | |
840 | } | |
841 | *ifindex = 0; | |
842 | bgp = bgp_lookup_by_name_next(bgp->name); | |
843 | } | |
844 | ||
845 | return NULL; | |
846 | } | |
847 | return bgp; | |
848 | } | |
849 | ||
850 | static uint8_t *mplsL3vpnIfConfTable(struct variable *v, oid name[], | |
851 | size_t *length, int exact, size_t *var_len, | |
852 | WriteMethod **write_method) | |
853 | { | |
854 | char vrf_name[VRF_NAMSIZ]; | |
855 | ifindex_t ifindex = 0; | |
856 | struct bgp *l3vpn_bgp; | |
857 | ||
858 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
859 | == MATCH_FAILED) | |
860 | return NULL; | |
861 | ||
862 | memset(vrf_name, 0, VRF_NAMSIZ); | |
863 | l3vpn_bgp = bgpL3vpnIfConf_lookup(v, name, length, vrf_name, &ifindex, | |
864 | exact); | |
865 | if (!l3vpn_bgp) | |
866 | return NULL; | |
867 | ||
868 | switch (v->magic) { | |
869 | case MPLSL3VPNIFVPNCLASSIFICATION: | |
870 | return SNMP_INTEGER(2); | |
871 | case MPLSL3VPNIFCONFSTORAGETYPE: | |
872 | return SNMP_INTEGER(2); | |
873 | case MPLSL3VPNIFCONFROWSTATUS: | |
874 | return SNMP_INTEGER(1); | |
875 | } | |
876 | return NULL; | |
877 | } | |
878 | ||
879 | /* 1.3.6.1.2.1.10.166.11.1.2.2.1.x = 14*/ | |
880 | #define VRFTAB_NAMELEN 14 | |
881 | ||
882 | static struct bgp *bgpL3vpnVrf_lookup(struct variable *v, oid name[], | |
883 | size_t *length, char *vrf_name, int exact) | |
0d020cd6 PR |
884 | { |
885 | struct bgp *bgp = NULL; | |
886 | size_t namelen = v ? v->namelen : VRFTAB_NAMELEN; | |
887 | int len; | |
888 | ||
889 | if (*length - namelen > VRF_NAMSIZ) | |
890 | return NULL; | |
891 | oid2string(name + namelen, *length - namelen, vrf_name); | |
892 | if (exact) { | |
893 | /* Check the length. */ | |
894 | bgp = bgp_lookup_by_name(vrf_name); | |
895 | if (bgp && !is_bgp_vrf_mplsvpn(bgp)) | |
896 | return NULL; | |
897 | } else { | |
898 | bgp = bgp_lookup_by_name_next(vrf_name); | |
899 | ||
900 | if (bgp == NULL) | |
901 | return NULL; | |
902 | ||
903 | len = strnlen(bgp->name, VRF_NAMSIZ); | |
904 | oid_copy_str(name + namelen, bgp->name, len); | |
905 | *length = len + namelen; | |
906 | } | |
907 | return bgp; | |
908 | } | |
909 | ||
910 | static uint8_t *mplsL3vpnVrfTable(struct variable *v, oid name[], | |
911 | size_t *length, int exact, size_t *var_len, | |
912 | WriteMethod **write_method) | |
913 | { | |
914 | char vrf_name[VRF_NAMSIZ]; | |
915 | struct bgp *l3vpn_bgp; | |
916 | ||
917 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
918 | == MATCH_FAILED) | |
919 | return NULL; | |
920 | ||
921 | memset(vrf_name, 0, VRF_NAMSIZ); | |
1ea16ac0 | 922 | l3vpn_bgp = bgpL3vpnVrf_lookup(v, name, length, vrf_name, exact); |
0d020cd6 PR |
923 | |
924 | if (!l3vpn_bgp) | |
925 | return NULL; | |
926 | ||
927 | switch (v->magic) { | |
928 | case MPLSL3VPNVRFVPNID: | |
929 | *var_len = 0; | |
930 | return NULL; | |
931 | case MPLSL3VPNVRFDESC: | |
932 | *var_len = strnlen(l3vpn_bgp->name, VRF_NAMSIZ); | |
933 | return (uint8_t *)l3vpn_bgp->name; | |
934 | case MPLSL3VPNVRFRD: | |
935 | /* | |
936 | * this is a horror show but the MIB dicates one RD per vrf | |
937 | * and not one RD per AFI as we (FRR) have. So this little gem | |
938 | * returns the V4 one if it's set OR the v6 one if it's set or | |
939 | * zero-length string id neither are set | |
940 | */ | |
941 | memset(rd_buf, 0, RD_ADDRSTRLEN); | |
942 | if (CHECK_FLAG(l3vpn_bgp->vpn_policy[AFI_IP].flags, | |
943 | BGP_VPN_POLICY_TOVPN_RD_SET)) | |
944 | prefix_rd2str(&l3vpn_bgp->vpn_policy[AFI_IP].tovpn_rd, | |
4a8cd6ad PG |
945 | rd_buf, sizeof(rd_buf), |
946 | bgp_get_asnotation(l3vpn_bgp)); | |
0d020cd6 PR |
947 | else if (CHECK_FLAG(l3vpn_bgp->vpn_policy[AFI_IP6].flags, |
948 | BGP_VPN_POLICY_TOVPN_RD_SET)) | |
949 | prefix_rd2str(&l3vpn_bgp->vpn_policy[AFI_IP6].tovpn_rd, | |
4a8cd6ad PG |
950 | rd_buf, sizeof(rd_buf), |
951 | bgp_get_asnotation(l3vpn_bgp)); | |
0d020cd6 PR |
952 | |
953 | *var_len = strnlen(rd_buf, RD_ADDRSTRLEN); | |
954 | return (uint8_t *)rd_buf; | |
955 | case MPLSL3VPNVRFCREATIONTIME: | |
956 | return SNMP_INTEGER( | |
957 | (uint32_t)l3vpn_bgp->snmp_stats->creation_time); | |
958 | case MPLSL3VPNVRFOPERSTATUS: | |
959 | if (l3vpn_bgp->snmp_stats->active) | |
960 | return SNMP_INTEGER(1); | |
961 | else | |
962 | return SNMP_INTEGER(2); | |
963 | case MPLSL3VPNVRFACTIVEINTERFACES: | |
964 | return SNMP_INTEGER(bgp_vrf_interfaces(l3vpn_bgp, true)); | |
965 | case MPLSL3VPNVRFASSOCIATEDINTERFACES: | |
966 | return SNMP_INTEGER(bgp_vrf_interfaces(l3vpn_bgp, false)); | |
967 | case MPLSL3VPNVRFCONFMIDRTETHRESH: | |
968 | return SNMP_INTEGER(0); | |
969 | case MPLSL3VPNVRFCONFHIGHRTETHRSH: | |
970 | return SNMP_INTEGER(0); | |
971 | case MPLSL3VPNVRFCONFMAXROUTES: | |
972 | return SNMP_INTEGER(0); | |
973 | case MPLSL3VPNVRFCONFLASTCHANGED: | |
974 | return SNMP_INTEGER( | |
975 | (uint32_t)l3vpn_bgp->snmp_stats->modify_time); | |
976 | case MPLSL3VPNVRFCONFROWSTATUS: | |
977 | return SNMP_INTEGER(1); | |
978 | case MPLSL3VPNVRFCONFADMINSTATUS: | |
979 | return SNMP_INTEGER(1); | |
980 | case MPLSL3VPNVRFCONFSTORAGETYPE: | |
981 | return SNMP_INTEGER(2); | |
7fd28dd2 PR |
982 | } |
983 | return NULL; | |
984 | } | |
985 | ||
98a9144f PR |
986 | /* 1.3.6.1.2.1.10.166.11.1.2.3.1.x = 14*/ |
987 | #define VRFRTTAB_NAMELEN 14 | |
988 | static struct bgp *bgpL3vpnVrfRt_lookup(struct variable *v, oid name[], | |
989 | size_t *length, char *vrf_name, | |
990 | uint32_t *rt_index, uint8_t *rt_type, | |
991 | int exact) | |
992 | { | |
993 | uint32_t type_index_size; | |
994 | struct bgp *l3vpn_bgp; | |
995 | size_t namelen = v ? v->namelen : VRFRTTAB_NAMELEN; | |
996 | int vrf_name_len, len; | |
997 | ||
998 | /* too long ? */ | |
999 | if (*length - namelen | |
1000 | > (VRF_NAMSIZ + sizeof(uint32_t)) + sizeof(uint8_t)) | |
1001 | return NULL; | |
1002 | ||
1003 | type_index_size = sizeof(uint32_t) + sizeof(uint8_t); | |
1004 | /* do we have index info in the oid ? */ | |
1005 | if (*length - namelen != 0 && *length - namelen >= type_index_size) { | |
1006 | /* copy the info from the oid */ | |
1007 | vrf_name_len = *length - (namelen + type_index_size); | |
1008 | oid2string(name + namelen, vrf_name_len, vrf_name); | |
1009 | oid2int(name + namelen + vrf_name_len, (int *)rt_index); | |
1010 | *rt_type = name[namelen + vrf_name_len + sizeof(uint32_t)]; | |
1011 | } | |
1012 | ||
f01828a1 PR |
1013 | /* validate the RT index is in range */ |
1014 | if (*rt_index > AFI_IP6) | |
1015 | return NULL; | |
1016 | ||
98a9144f PR |
1017 | if (exact) { |
1018 | l3vpn_bgp = bgp_lookup_by_name(vrf_name); | |
1019 | if (l3vpn_bgp && !is_bgp_vrf_mplsvpn(l3vpn_bgp)) | |
1020 | return NULL; | |
1021 | if (!l3vpn_bgp) | |
1022 | return NULL; | |
f01828a1 | 1023 | if ((*rt_index != AFI_IP) && (*rt_index != AFI_IP6)) |
98a9144f PR |
1024 | return NULL; |
1025 | /* do we have RT config */ | |
1026 | if (!(l3vpn_bgp->vpn_policy[*rt_index] | |
1027 | .rtlist[BGP_VPN_POLICY_DIR_FROMVPN] | |
1028 | || l3vpn_bgp->vpn_policy[*rt_index] | |
1029 | .rtlist[BGP_VPN_POLICY_DIR_TOVPN])) | |
1030 | return NULL; | |
1031 | return l3vpn_bgp; | |
1032 | } | |
1033 | if (strnlen(vrf_name, VRF_NAMSIZ) == 0) | |
1034 | l3vpn_bgp = bgp_lookup_by_name_next(vrf_name); | |
1035 | else | |
1036 | l3vpn_bgp = bgp_lookup_by_name(vrf_name); | |
1037 | while (l3vpn_bgp) { | |
1038 | switch (*rt_index) { | |
1039 | case 0: | |
1040 | *rt_index = AFI_IP; | |
1041 | break; | |
1042 | case AFI_IP: | |
1043 | *rt_index = AFI_IP6; | |
1044 | break; | |
1045 | case AFI_IP6: | |
1046 | *rt_index = 0; | |
1047 | continue; | |
1048 | } | |
1049 | if (*rt_index) { | |
1050 | switch (*rt_type) { | |
1051 | case 0: | |
1052 | *rt_type = MPLSVPNVRFRTTYPEIMPORT; | |
1053 | break; | |
1054 | case MPLSVPNVRFRTTYPEIMPORT: | |
1055 | *rt_type = MPLSVPNVRFRTTYPEEXPORT; | |
1056 | break; | |
1057 | case MPLSVPNVRFRTTYPEEXPORT: | |
1058 | case MPLSVPNVRFRTTYPEBOTH: | |
1059 | *rt_type = 0; | |
1060 | break; | |
1061 | } | |
1062 | if (*rt_type) { | |
1063 | bool import, export; | |
1064 | ||
1065 | import = | |
1066 | (!!l3vpn_bgp->vpn_policy[*rt_index].rtlist | |
1067 | [BGP_VPN_POLICY_DIR_FROMVPN]); | |
1068 | export = | |
1069 | (!!l3vpn_bgp->vpn_policy[*rt_index].rtlist | |
1070 | [BGP_VPN_POLICY_DIR_TOVPN]); | |
1071 | if (*rt_type == MPLSVPNVRFRTTYPEIMPORT | |
1072 | && !import) | |
1073 | continue; | |
1074 | if (*rt_type == MPLSVPNVRFRTTYPEEXPORT | |
1075 | && !export) | |
1076 | continue; | |
1077 | /* ckeck for both */ | |
1078 | if (*rt_type == MPLSVPNVRFRTTYPEIMPORT && import | |
1079 | && export | |
1080 | && ecommunity_cmp( | |
1081 | l3vpn_bgp->vpn_policy[*rt_index].rtlist | |
1082 | [BGP_VPN_POLICY_DIR_FROMVPN], | |
1083 | l3vpn_bgp->vpn_policy[*rt_index].rtlist | |
1084 | [BGP_VPN_POLICY_DIR_TOVPN])) | |
1085 | *rt_type = MPLSVPNVRFRTTYPEBOTH; | |
1086 | ||
1087 | /* we have a match copy the oid info */ | |
1088 | vrf_name_len = | |
1089 | strnlen(l3vpn_bgp->name, VRF_NAMSIZ); | |
1090 | len = vrf_name_len + sizeof(uint32_t) | |
1091 | + sizeof(uint8_t); | |
1092 | oid_copy_str(name + namelen, l3vpn_bgp->name, | |
1093 | vrf_name_len); | |
1094 | oid_copy_int(name + namelen + vrf_name_len, | |
1095 | (int *)rt_index); | |
1096 | name[(namelen + len) - 1] = *rt_type; | |
1097 | *length = len + namelen; | |
1098 | return l3vpn_bgp; | |
1099 | } | |
1100 | l3vpn_bgp = bgp_lookup_by_name_next(l3vpn_bgp->name); | |
1101 | } | |
1102 | } | |
1103 | return NULL; | |
1104 | } | |
1105 | ||
1106 | static const char *rt_type2str(uint8_t rt_type) | |
1107 | { | |
1108 | switch (rt_type) { | |
1109 | case MPLSVPNVRFRTTYPEIMPORT: | |
1110 | return "import"; | |
1111 | case MPLSVPNVRFRTTYPEEXPORT: | |
1112 | return "export"; | |
1113 | case MPLSVPNVRFRTTYPEBOTH: | |
1114 | return "both"; | |
1115 | default: | |
1116 | return "unknown"; | |
1117 | } | |
1118 | } | |
1119 | static uint8_t *mplsL3vpnVrfRtTable(struct variable *v, oid name[], | |
1120 | size_t *length, int exact, size_t *var_len, | |
1121 | WriteMethod **write_method) | |
1122 | { | |
1123 | char vrf_name[VRF_NAMSIZ]; | |
1124 | struct bgp *l3vpn_bgp; | |
1125 | uint32_t rt_index = 0; | |
1126 | uint8_t rt_type = 0; | |
9dc5d874 DA |
1127 | char *rt_b = NULL; |
1128 | static char rt_b_str[BUFSIZ] = {}; | |
98a9144f PR |
1129 | |
1130 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
1131 | == MATCH_FAILED) | |
1132 | return NULL; | |
1133 | ||
1134 | memset(vrf_name, 0, VRF_NAMSIZ); | |
1135 | l3vpn_bgp = bgpL3vpnVrfRt_lookup(v, name, length, vrf_name, &rt_index, | |
1136 | &rt_type, exact); | |
1137 | ||
1138 | if (!l3vpn_bgp) | |
1139 | return NULL; | |
1140 | ||
1141 | switch (v->magic) { | |
1142 | case MPLSL3VPNVRFRT: | |
1143 | switch (rt_type) { | |
1144 | case MPLSVPNVRFRTTYPEIMPORT: | |
1145 | rt_b = ecommunity_ecom2str( | |
1146 | l3vpn_bgp->vpn_policy[rt_index] | |
1147 | .rtlist[BGP_VPN_POLICY_DIR_FROMVPN], | |
1148 | ECOMMUNITY_FORMAT_ROUTE_MAP, | |
1149 | ECOMMUNITY_ROUTE_TARGET); | |
1150 | break; | |
1151 | case MPLSVPNVRFRTTYPEEXPORT: | |
1152 | case MPLSVPNVRFRTTYPEBOTH: | |
1153 | rt_b = ecommunity_ecom2str( | |
1154 | l3vpn_bgp->vpn_policy[rt_index] | |
1155 | .rtlist[BGP_VPN_POLICY_DIR_TOVPN], | |
1156 | ECOMMUNITY_FORMAT_ROUTE_MAP, | |
1157 | ECOMMUNITY_ROUTE_TARGET); | |
1158 | break; | |
1159 | default: | |
98a9144f PR |
1160 | break; |
1161 | } | |
9dc5d874 | 1162 | if (rt_b) { |
98a9144f | 1163 | *var_len = strnlen(rt_b, ECOMMUNITY_STRLEN); |
9dc5d874 DA |
1164 | strlcpy(rt_b_str, rt_b, sizeof(rt_b_str)); |
1165 | XFREE(MTYPE_ECOMMUNITY_STR, rt_b); | |
1166 | } else { | |
98a9144f | 1167 | *var_len = 0; |
9dc5d874 DA |
1168 | } |
1169 | return (uint8_t *)rt_b_str; | |
98a9144f PR |
1170 | case MPLSL3VPNVRFRTDESCR: |
1171 | /* since we dont have a description generate one */ | |
1172 | memset(rt_description, 0, VRF_NAMSIZ + RT_PREAMBLE_SIZE); | |
1173 | snprintf(rt_description, VRF_NAMSIZ + RT_PREAMBLE_SIZE, | |
1174 | "RT %s for VRF %s", rt_type2str(rt_type), | |
1175 | l3vpn_bgp->name); | |
1176 | *var_len = | |
1177 | strnlen(rt_description, VRF_NAMSIZ + RT_PREAMBLE_SIZE); | |
1178 | return (uint8_t *)rt_description; | |
1179 | case MPLSL3VPNVRFRTROWSTATUS: | |
1180 | return SNMP_INTEGER(1); | |
1181 | case MPLSL3VPNVRFRTSTORAGETYPE: | |
1182 | return SNMP_INTEGER(2); | |
1183 | } | |
1184 | return NULL; | |
1185 | } | |
1186 | ||
7fd28dd2 PR |
1187 | /* 1.3.6.1.2.1.10.166.11.1.3.1.1.x = 14*/ |
1188 | #define PERFTAB_NAMELEN 14 | |
1189 | ||
1190 | static uint8_t *mplsL3vpnPerfTable(struct variable *v, oid name[], | |
1191 | size_t *length, int exact, size_t *var_len, | |
1192 | WriteMethod **write_method) | |
1193 | { | |
1194 | char vrf_name[VRF_NAMSIZ]; | |
1195 | struct bgp *l3vpn_bgp; | |
1196 | ||
1197 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
1198 | == MATCH_FAILED) | |
0d020cd6 | 1199 | return NULL; |
7fd28dd2 PR |
1200 | |
1201 | memset(vrf_name, 0, VRF_NAMSIZ); | |
1202 | l3vpn_bgp = bgpL3vpnVrf_lookup(v, name, length, vrf_name, exact); | |
1203 | ||
1204 | if (!l3vpn_bgp) | |
1205 | return NULL; | |
1206 | ||
1207 | switch (v->magic) { | |
1208 | case MPLSL3VPNVRFPERFROUTESADDED: | |
1209 | return SNMP_INTEGER(l3vpn_bgp->snmp_stats->routes_added); | |
1210 | case MPLSL3VPNVRFPERFROUTESDELETED: | |
1211 | return SNMP_INTEGER(l3vpn_bgp->snmp_stats->routes_deleted); | |
1212 | case MPLSL3VPNVRFPERFCURRNUMROUTES: | |
1213 | return SNMP_INTEGER(bgp_mpls_l3vpn_current_routes(l3vpn_bgp)); | |
0d020cd6 PR |
1214 | } |
1215 | return NULL; | |
1216 | } | |
1217 | ||
62e66e55 PR |
1218 | static struct bgp_path_info * |
1219 | bgp_lookup_route(struct bgp *l3vpn_bgp, struct bgp_dest **dest, | |
1220 | struct prefix *prefix, uint16_t policy, struct ipaddr *nexthop) | |
1221 | { | |
1222 | struct bgp_path_info *pi = NULL; | |
1223 | struct bgp_table *table; | |
1224 | ||
1225 | switch (prefix->family) { | |
1226 | case AF_INET: | |
1227 | table = l3vpn_bgp->rib[AFI_IP][SAFI_UNICAST]; | |
1228 | break; | |
1229 | case AF_INET6: | |
1230 | table = l3vpn_bgp->rib[AFI_IP6][SAFI_UNICAST]; | |
1231 | break; | |
1232 | default: | |
1233 | return NULL; | |
1234 | } | |
1235 | ||
1236 | /*get the prefix */ | |
1237 | *dest = bgp_node_lookup(table, prefix); | |
1238 | if (*dest == NULL) | |
1239 | return NULL; | |
1240 | ||
1241 | /* now find the right path */ | |
1242 | pi = bgp_dest_get_bgp_path_info(*dest); | |
1243 | for (; pi; pi = pi->next) { | |
1244 | switch (nexthop->ipa_type) { | |
1245 | case IPADDR_V4: | |
1246 | if (nexthop->ip._v4_addr.s_addr | |
1247 | == pi->attr->nexthop.s_addr) | |
1248 | return pi; | |
1249 | break; | |
1250 | case IPADDR_V6: | |
1251 | if (memcmp(&nexthop->ip._v6_addr, | |
1252 | &pi->attr->mp_nexthop_global, | |
1253 | sizeof(struct in6_addr)) | |
1254 | == 0) | |
1255 | return pi; | |
1256 | break; | |
58cf0823 | 1257 | case IPADDR_NONE: |
62e66e55 PR |
1258 | return pi; |
1259 | } | |
1260 | } | |
1261 | return NULL; | |
1262 | } | |
1263 | ||
1264 | static struct bgp_path_info *bgp_lookup_route_next(struct bgp **l3vpn_bgp, | |
1265 | struct bgp_dest **dest, | |
1266 | struct prefix *prefix, | |
1267 | uint16_t *policy, | |
1268 | struct ipaddr *nexthop) | |
1269 | { | |
1270 | struct bgp_path_info *pi = NULL; | |
1271 | struct bgp_table *table; | |
1272 | const struct prefix *p; | |
1273 | uint8_t family; | |
1274 | ||
1275 | /* First route?*/ | |
1276 | if (prefix->prefixlen == 0) { | |
1277 | /* try V4 table */ | |
1278 | table = (*l3vpn_bgp)->rib[AFI_IP][SAFI_UNICAST]; | |
1279 | for (*dest = bgp_table_top(table); *dest; | |
1280 | *dest = bgp_route_next(*dest)) { | |
1281 | pi = bgp_dest_get_bgp_path_info(*dest); | |
1282 | if (pi) | |
1283 | break; | |
1284 | } | |
1285 | ||
1286 | if (!pi) { | |
1287 | /* try V6 table */ | |
1288 | table = (*l3vpn_bgp)->rib[AFI_IP6][SAFI_UNICAST]; | |
1289 | for (*dest = bgp_table_top(table); *dest; | |
1290 | *dest = bgp_route_next(*dest)) { | |
1291 | pi = bgp_dest_get_bgp_path_info(*dest); | |
1292 | if (pi) | |
1293 | break; | |
1294 | } | |
1295 | } | |
1296 | return pi; | |
1297 | } | |
1298 | /* real next search for the entry first use exact lookup */ | |
1299 | pi = bgp_lookup_route(*l3vpn_bgp, dest, prefix, *policy, nexthop); | |
1300 | ||
1301 | if (pi == NULL) | |
1302 | return NULL; | |
1303 | ||
1304 | p = bgp_dest_get_prefix(*dest); | |
1305 | family = p->family; | |
1306 | ||
1307 | /* We have found the input path let's find the next one in the list */ | |
1308 | if (pi->next) { | |
1309 | /* ensure OID is always higher for multipath routes by | |
1310 | * incrementing opaque policy oid | |
1311 | */ | |
1312 | *policy += 1; | |
1313 | return pi->next; | |
1314 | } | |
1315 | ||
1316 | /* No more paths in the input route so find the next route */ | |
1317 | for (; *l3vpn_bgp; | |
1318 | *l3vpn_bgp = bgp_lookup_by_name_next((*l3vpn_bgp)->name)) { | |
1319 | *policy = 0; | |
1320 | if (!*dest) { | |
1321 | table = (*l3vpn_bgp)->rib[AFI_IP][SAFI_UNICAST]; | |
1322 | *dest = bgp_table_top(table); | |
1323 | family = AF_INET; | |
1324 | } else | |
1325 | *dest = bgp_route_next(*dest); | |
1326 | ||
1327 | while (true) { | |
1328 | for (; *dest; *dest = bgp_route_next(*dest)) { | |
1329 | pi = bgp_dest_get_bgp_path_info(*dest); | |
1330 | ||
1331 | if (pi) | |
1332 | return pi; | |
1333 | } | |
1334 | if (family == AF_INET) { | |
1335 | table = (*l3vpn_bgp) | |
1336 | ->rib[AFI_IP6][SAFI_UNICAST]; | |
1337 | *dest = bgp_table_top(table); | |
1338 | family = AF_INET6; | |
1339 | continue; | |
1340 | } | |
1341 | break; | |
1342 | } | |
1343 | } | |
1344 | ||
1345 | return NULL; | |
1346 | } | |
1347 | ||
1348 | static bool is_addr_type(oid id) | |
1349 | { | |
1350 | switch (id) { | |
1351 | case INETADDRESSTYPEUNKNOWN: | |
1352 | case INETADDRESSTYPEIPV4: | |
1353 | case INETADDRESSTYPEIPV6: | |
1354 | return true; | |
1355 | } | |
1356 | return false; | |
1357 | } | |
1358 | ||
1359 | /* 1.3.6.1.2.1.10.166.11.1.4.1.1.x = 14*/ | |
1360 | #define PERFTAB_NAMELEN 14 | |
1361 | ||
1362 | static struct bgp_path_info *bgpL3vpnRte_lookup(struct variable *v, oid name[], | |
1363 | size_t *length, char *vrf_name, | |
1364 | struct bgp **l3vpn_bgp, | |
1365 | struct bgp_dest **dest, | |
1366 | uint16_t *policy, int exact) | |
1367 | { | |
1368 | uint8_t i; | |
1369 | uint8_t vrf_name_len = 0; | |
1370 | struct bgp_path_info *pi = NULL; | |
1371 | size_t namelen = v ? v->namelen : IFCONFTAB_NAMELEN; | |
1372 | struct prefix prefix = {0}; | |
1373 | struct ipaddr nexthop = {0}; | |
1374 | uint8_t prefix_type; | |
1375 | uint8_t nexthop_type; | |
1376 | ||
1377 | if ((uint32_t)(*length - namelen) > (VRF_NAMSIZ + 37)) | |
1378 | return NULL; | |
1379 | ||
1380 | if (*length - namelen != 0) { | |
1381 | /* parse incoming OID */ | |
1382 | for (i = namelen; i < (*length); i++) { | |
1383 | if (is_addr_type(name[i])) | |
1384 | break; | |
1385 | vrf_name_len++; | |
1386 | } | |
1387 | if (vrf_name_len > VRF_NAMSIZ) | |
1388 | return NULL; | |
1389 | ||
1390 | oid2string(name + namelen, vrf_name_len, vrf_name); | |
1391 | prefix_type = name[i++]; | |
1392 | switch (prefix_type) { | |
1393 | case INETADDRESSTYPEUNKNOWN: | |
1394 | prefix.family = AF_UNSPEC; | |
1395 | break; | |
1396 | case INETADDRESSTYPEIPV4: | |
1397 | prefix.family = AF_INET; | |
1398 | oid2in_addr(&name[i], sizeof(struct in_addr), | |
1399 | &prefix.u.prefix4); | |
1400 | i += sizeof(struct in_addr); | |
1401 | break; | |
1402 | case INETADDRESSTYPEIPV6: | |
1403 | prefix.family = AF_INET6; | |
5a224c19 | 1404 | oid2in6_addr(&name[i], &prefix.u.prefix6); |
62e66e55 PR |
1405 | i += sizeof(struct in6_addr); |
1406 | break; | |
1407 | } | |
1408 | prefix.prefixlen = (uint8_t)name[i++]; | |
1409 | *policy |= name[i++] << 8; | |
1410 | *policy |= name[i++]; | |
1411 | nexthop_type = name[i++]; | |
1412 | switch (nexthop_type) { | |
1413 | case INETADDRESSTYPEUNKNOWN: | |
1414 | nexthop.ipa_type = (prefix.family == AF_INET) | |
1415 | ? IPADDR_V4 | |
1416 | : IPADDR_V6; | |
1417 | break; | |
1418 | case INETADDRESSTYPEIPV4: | |
1419 | nexthop.ipa_type = IPADDR_V4; | |
1420 | oid2in_addr(&name[i], sizeof(struct in_addr), | |
1421 | &nexthop.ip._v4_addr); | |
227b6af0 | 1422 | /* i += sizeof(struct in_addr); */ |
62e66e55 PR |
1423 | break; |
1424 | case INETADDRESSTYPEIPV6: | |
1425 | nexthop.ipa_type = IPADDR_V6; | |
5a224c19 | 1426 | oid2in6_addr(&name[i], &nexthop.ip._v6_addr); |
227b6af0 | 1427 | /* i += sizeof(struct in6_addr); */ |
62e66e55 PR |
1428 | break; |
1429 | } | |
1430 | } | |
1431 | ||
1432 | if (exact) { | |
1433 | *l3vpn_bgp = bgp_lookup_by_name(vrf_name); | |
1434 | if (*l3vpn_bgp && !is_bgp_vrf_mplsvpn(*l3vpn_bgp)) | |
1435 | return NULL; | |
1436 | if (*l3vpn_bgp == NULL) | |
1437 | return NULL; | |
1438 | ||
1439 | /* now lookup the route in this bgp table */ | |
1440 | pi = bgp_lookup_route(*l3vpn_bgp, dest, &prefix, *policy, | |
1441 | &nexthop); | |
1442 | } else { | |
1443 | int str_len; | |
1444 | ||
1445 | str_len = strnlen(vrf_name, VRF_NAMSIZ); | |
1446 | if (str_len == 0) { | |
1447 | *l3vpn_bgp = bgp_lookup_by_name_next(vrf_name); | |
1448 | } else | |
1449 | /* otherwise lookup the one we have */ | |
1450 | *l3vpn_bgp = bgp_lookup_by_name(vrf_name); | |
1451 | ||
23b88a96 | 1452 | if (*l3vpn_bgp == NULL) |
62e66e55 PR |
1453 | return NULL; |
1454 | ||
1455 | pi = bgp_lookup_route_next(l3vpn_bgp, dest, &prefix, policy, | |
1456 | &nexthop); | |
1457 | if (pi) { | |
1458 | uint8_t vrf_name_len = | |
1459 | strnlen((*l3vpn_bgp)->name, VRF_NAMSIZ); | |
1460 | const struct prefix *p = bgp_dest_get_prefix(*dest); | |
1461 | uint8_t oid_index; | |
1462 | bool v4 = (p->family == AF_INET); | |
1463 | uint8_t addr_len = v4 ? sizeof(struct in_addr) | |
1464 | : sizeof(struct in6_addr); | |
1465 | struct attr *attr = pi->attr; | |
1466 | ||
1467 | /* copy the index parameters */ | |
1468 | oid_copy_str(&name[namelen], (*l3vpn_bgp)->name, | |
1469 | vrf_name_len); | |
1470 | oid_index = namelen + vrf_name_len; | |
9e263221 PR |
1471 | if (v4) { |
1472 | name[oid_index++] = INETADDRESSTYPEIPV4; | |
1473 | oid_copy_in_addr(&name[oid_index], | |
1474 | &p->u.prefix4); | |
1475 | } else { | |
1476 | name[oid_index++] = INETADDRESSTYPEIPV6; | |
1477 | oid_copy_in6_addr(&name[oid_index], | |
1478 | &p->u.prefix6); | |
1479 | } | |
1480 | ||
62e66e55 PR |
1481 | oid_index += addr_len; |
1482 | name[oid_index++] = p->prefixlen; | |
1483 | name[oid_index++] = *policy >> 8; | |
1484 | name[oid_index++] = *policy & 0xff; | |
1485 | ||
1486 | if (!BGP_ATTR_NEXTHOP_AFI_IP6(attr)) { | |
1487 | if (attr->nexthop.s_addr == INADDR_ANY) | |
1488 | name[oid_index++] = | |
1489 | INETADDRESSTYPEUNKNOWN; | |
1490 | else { | |
1491 | name[oid_index++] = INETADDRESSTYPEIPV4; | |
9e263221 PR |
1492 | oid_copy_in_addr(&name[oid_index], |
1493 | &attr->nexthop); | |
62e66e55 PR |
1494 | oid_index += sizeof(struct in_addr); |
1495 | } | |
1496 | } else { | |
1497 | if (IN6_IS_ADDR_UNSPECIFIED( | |
1498 | &attr->mp_nexthop_global)) | |
1499 | name[oid_index++] = | |
1500 | INETADDRESSTYPEUNKNOWN; | |
1501 | else { | |
1502 | name[oid_index++] = INETADDRESSTYPEIPV6; | |
9e263221 | 1503 | oid_copy_in6_addr( |
62e66e55 | 1504 | &name[oid_index], |
9e263221 | 1505 | &attr->mp_nexthop_global); |
62e66e55 PR |
1506 | oid_index += sizeof(struct in6_addr); |
1507 | } | |
1508 | } | |
1509 | *length = oid_index; | |
1510 | } | |
1511 | } | |
1512 | return pi; | |
1513 | } | |
1514 | ||
1515 | static uint8_t *mplsL3vpnRteTable(struct variable *v, oid name[], | |
1516 | size_t *length, int exact, size_t *var_len, | |
1517 | WriteMethod **write_method) | |
1518 | { | |
1519 | char vrf_name[VRF_NAMSIZ]; | |
1520 | struct bgp *l3vpn_bgp; | |
1521 | struct bgp_dest *dest; | |
6f274199 | 1522 | struct bgp_path_info *pi, *bpi_ultimate; |
62e66e55 PR |
1523 | const struct prefix *p; |
1524 | uint16_t policy = 0; | |
1525 | ||
1526 | if (smux_header_table(v, name, length, exact, var_len, write_method) | |
1527 | == MATCH_FAILED) | |
1528 | return NULL; | |
1529 | ||
1530 | memset(vrf_name, 0, VRF_NAMSIZ); | |
1531 | pi = bgpL3vpnRte_lookup(v, name, length, vrf_name, &l3vpn_bgp, &dest, | |
1532 | &policy, exact); | |
1533 | ||
1534 | ||
1535 | if (!pi) | |
1536 | return NULL; | |
1537 | ||
6f274199 LS |
1538 | bpi_ultimate = bgp_get_imported_bpi_ultimate(pi); |
1539 | ||
62e66e55 PR |
1540 | p = bgp_dest_get_prefix(dest); |
1541 | ||
1542 | if (!p) | |
1543 | return NULL; | |
1544 | ||
1545 | switch (v->magic) { | |
1546 | case MPLSL3VPNVRFRTEINETCIDRDESTTYPE: | |
1547 | switch (p->family) { | |
1548 | case AF_INET: | |
1549 | return SNMP_INTEGER(INETADDRESSTYPEIPV4); | |
1550 | case AF_INET6: | |
1551 | return SNMP_INTEGER(INETADDRESSTYPEIPV6); | |
1552 | default: | |
1553 | return SNMP_INTEGER(INETADDRESSTYPEUNKNOWN); | |
1554 | } | |
1555 | case MPLSL3VPNVRFRTEINETCIDRDEST: | |
1556 | switch (p->family) { | |
1557 | case AF_INET: | |
1558 | return SNMP_IPADDRESS(p->u.prefix4); | |
1559 | case AF_INET6: | |
1560 | return SNMP_IP6ADDRESS(p->u.prefix6); | |
1561 | default: | |
1562 | *var_len = 0; | |
1563 | return NULL; | |
1564 | } | |
1565 | case MPLSL3VPNVRFRTEINETCIDRPFXLEN: | |
1566 | return SNMP_INTEGER(p->prefixlen); | |
1567 | case MPLSL3VPNVRFRTEINETCIDRPOLICY: | |
1568 | *var_len = sizeof(mpls_l3vpn_policy_oid); | |
1569 | mpls_l3vpn_policy_oid[0] = policy >> 8; | |
1570 | mpls_l3vpn_policy_oid[1] = policy & 0xff; | |
1571 | return (uint8_t *)mpls_l3vpn_policy_oid; | |
1572 | case MPLSL3VPNVRFRTEINETCIDRNHOPTYPE: | |
1573 | if (!BGP_ATTR_NEXTHOP_AFI_IP6(pi->attr)) { | |
1574 | if (pi->attr->nexthop.s_addr == INADDR_ANY) | |
1575 | return SNMP_INTEGER(INETADDRESSTYPEUNKNOWN); | |
1576 | else | |
1577 | return SNMP_INTEGER(INETADDRESSTYPEIPV4); | |
1578 | } else if (IN6_IS_ADDR_UNSPECIFIED( | |
1579 | &pi->attr->mp_nexthop_global)) | |
1580 | return SNMP_INTEGER(INETADDRESSTYPEUNKNOWN); | |
1581 | else | |
1582 | return SNMP_INTEGER(INETADDRESSTYPEIPV6); | |
1583 | ||
1584 | case MPLSL3VPNVRFRTEINETCIDRNEXTHOP: | |
1585 | if (!BGP_ATTR_NEXTHOP_AFI_IP6(pi->attr)) | |
1586 | if (pi->attr->nexthop.s_addr == INADDR_ANY) { | |
1587 | *var_len = 0; | |
1588 | return (uint8_t *)empty_nhop; | |
1589 | } else | |
1590 | return SNMP_IPADDRESS(pi->attr->nexthop); | |
1591 | else if (IN6_IS_ADDR_UNSPECIFIED( | |
1592 | &pi->attr->mp_nexthop_global)) { | |
1593 | *var_len = 0; | |
1594 | return (uint8_t *)empty_nhop; | |
1595 | } else | |
1596 | return SNMP_IP6ADDRESS(pi->attr->mp_nexthop_global); | |
1597 | ||
1598 | case MPLSL3VPNVRFRTEINETCIDRIFINDEX: | |
1599 | if (pi->nexthop && pi->nexthop->nexthop) | |
1600 | return SNMP_INTEGER(pi->nexthop->nexthop->ifindex); | |
1601 | else | |
1602 | return SNMP_INTEGER(0); | |
1603 | case MPLSL3VPNVRFRTEINETCIDRTYPE: | |
1604 | if (pi->nexthop && pi->nexthop->nexthop) { | |
1605 | switch (pi->nexthop->nexthop->type) { | |
1606 | case NEXTHOP_TYPE_IFINDEX: | |
1607 | return SNMP_INTEGER( | |
1608 | MPLSL3VPNVRFRTECIDRTYPELOCAL); | |
1609 | case NEXTHOP_TYPE_IPV4: | |
1610 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
1611 | case NEXTHOP_TYPE_IPV6: | |
1612 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
1613 | return SNMP_INTEGER( | |
1614 | MPLSL3VPNVRFRTECIDRTYPEREMOTE); | |
1615 | case NEXTHOP_TYPE_BLACKHOLE: | |
1616 | switch (pi->nexthop->nexthop->bh_type) { | |
1617 | case BLACKHOLE_REJECT: | |
1618 | return SNMP_INTEGER( | |
1619 | MPLSL3VPNVRFRTECIDRTYPEREJECT); | |
58cf0823 DS |
1620 | case BLACKHOLE_UNSPEC: |
1621 | case BLACKHOLE_NULL: | |
1622 | case BLACKHOLE_ADMINPROHIB: | |
62e66e55 PR |
1623 | return SNMP_INTEGER( |
1624 | MPLSL3VPNVRFRTECIDRTYPEBLACKHOLE); | |
1625 | } | |
58cf0823 | 1626 | break; |
62e66e55 PR |
1627 | } |
1628 | } else | |
1629 | return SNMP_INTEGER(MPLSL3VPNVRFRTECIDRTYPEOTHER); | |
bc479b1b | 1630 | break; |
62e66e55 PR |
1631 | case MPLSL3VPNVRFRTEINETCIDRPROTO: |
1632 | switch (pi->type) { | |
1633 | case ZEBRA_ROUTE_CONNECT: | |
1634 | return SNMP_INTEGER(IANAIPROUTEPROTOCOLLOCAL); | |
1635 | case ZEBRA_ROUTE_STATIC: | |
1636 | return SNMP_INTEGER(IANAIPROUTEPROTOCOLNETMGMT); | |
1637 | case ZEBRA_ROUTE_RIP: | |
1638 | case ZEBRA_ROUTE_RIPNG: | |
1639 | return SNMP_INTEGER(IANAIPROUTEPROTOCOLRIP); | |
1640 | case ZEBRA_ROUTE_OSPF: | |
1641 | case ZEBRA_ROUTE_OSPF6: | |
1642 | return SNMP_INTEGER(IANAIPROUTEPROTOCOLOSPF); | |
1643 | case ZEBRA_ROUTE_ISIS: | |
1644 | return SNMP_INTEGER(IANAIPROUTEPROTOCOLISIS); | |
1645 | case ZEBRA_ROUTE_BGP: | |
1646 | return SNMP_INTEGER(IANAIPROUTEPROTOCOLBGP); | |
1647 | case ZEBRA_ROUTE_EIGRP: | |
1648 | return SNMP_INTEGER(IANAIPROUTEPROTOCOLCISCOEIGRP); | |
1649 | default: | |
1650 | return SNMP_INTEGER(IANAIPROUTEPROTOCOLOTHER); | |
1651 | } | |
1652 | case MPLSL3VPNVRFRTEINETCIDRAGE: | |
1653 | return SNMP_INTEGER(pi->uptime); | |
1654 | case MPLSL3VPNVRFRTEINETCIDRNEXTHOPAS: | |
1655 | return SNMP_INTEGER(pi->peer ? pi->peer->as : 0); | |
1656 | case MPLSL3VPNVRFRTEINETCIDRMETRIC1: | |
6f274199 LS |
1657 | if (bpi_ultimate->extra) |
1658 | return SNMP_INTEGER(bpi_ultimate->extra->igpmetric); | |
62e66e55 PR |
1659 | else |
1660 | return SNMP_INTEGER(0); | |
1661 | case MPLSL3VPNVRFRTEINETCIDRMETRIC2: | |
1662 | return SNMP_INTEGER(-1); | |
1663 | case MPLSL3VPNVRFRTEINETCIDRMETRIC3: | |
1664 | return SNMP_INTEGER(-1); | |
1665 | case MPLSL3VPNVRFRTEINETCIDRMETRIC4: | |
1666 | return SNMP_INTEGER(-1); | |
1667 | case MPLSL3VPNVRFRTEINETCIDRMETRIC5: | |
1668 | return SNMP_INTEGER(-1); | |
1669 | case MPLSL3VPNVRFRTEINETCIDRXCPOINTER: | |
1670 | return SNMP_OCTET(0); | |
1671 | case MPLSL3VPNVRFRTEINETCIDRSTATUS: | |
1672 | return SNMP_INTEGER(1); | |
1673 | } | |
1674 | return NULL; | |
1675 | } | |
1676 | ||
aa53f693 PR |
1677 | void bgp_mpls_l3vpn_module_init(void) |
1678 | { | |
0d020cd6 PR |
1679 | hook_register(bgp_vrf_status_changed, bgp_vrf_check_update_active); |
1680 | hook_register(bgp_snmp_init_stats, bgp_init_snmp_stats); | |
1681 | hook_register(bgp_snmp_update_last_changed, | |
1682 | bgp_mpls_l3vpn_update_last_changed); | |
7fd28dd2 | 1683 | hook_register(bgp_snmp_update_stats, bgp_snmp_update_route_stats); |
aa53f693 PR |
1684 | REGISTER_MIB("mplsL3VpnMIB", mpls_l3vpn_variables, variable, |
1685 | mpls_l3vpn_oid); | |
1686 | } |