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8429abe0 RW |
1 | /* $OpenBSD$ */ |
2 | ||
3 | /* | |
4 | * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org> | |
5 | * Copyright (c) 2009 Michele Marchetto <michele@openbsd.org> | |
6 | * Copyright (c) 2004 Esben Norby <norby@openbsd.org> | |
7 | * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> | |
8 | * | |
9 | * Permission to use, copy, modify, and distribute this software for any | |
10 | * purpose with or without fee is hereby granted, provided that the above | |
11 | * copyright notice and this permission notice appear in all copies. | |
12 | * | |
13 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
14 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
15 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
16 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
17 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
18 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
19 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
20 | */ | |
21 | ||
22 | #ifndef _LDPD_H_ | |
23 | #define _LDPD_H_ | |
24 | ||
cd85bc2e | 25 | #include "queue.h" |
eac6e3f0 RW |
26 | #include "openbsd-tree.h" |
27 | #include "imsg.h" | |
28 | #include "thread.h" | |
4af8997d | 29 | #include "qobj.h" |
26519d8c | 30 | #include "prefix.h" |
45a8eba9 | 31 | #include "filter.h" |
e4a82008 | 32 | #include "vty.h" |
6833ae01 | 33 | #include "pw.h" |
87b5f1b7 | 34 | #include "zclient.h" |
8429abe0 RW |
35 | |
36 | #include "ldp.h" | |
e1894ff7 | 37 | #include "lib/ldp_sync.h" |
8429abe0 RW |
38 | |
39 | #define CONF_FILE "/etc/ldpd.conf" | |
8429abe0 RW |
40 | #define LDPD_USER "_ldpd" |
41 | ||
28e8294c RW |
42 | #define LDPD_FD_ASYNC 3 |
43 | #define LDPD_FD_SYNC 4 | |
44 | ||
8429abe0 RW |
45 | #define LDPD_OPT_VERBOSE 0x00000001 |
46 | #define LDPD_OPT_VERBOSE2 0x00000002 | |
47 | #define LDPD_OPT_NOACTION 0x00000004 | |
48 | ||
49 | #define TCP_MD5_KEY_LEN 80 | |
8429abe0 RW |
50 | |
51 | #define RT_BUF_SIZE 16384 | |
52 | #define MAX_RTSOCK_BUF 128 * 1024 | |
53 | #define LDP_BACKLOG 128 | |
54 | ||
55 | #define F_LDPD_INSERTED 0x0001 | |
56 | #define F_CONNECTED 0x0002 | |
57 | #define F_STATIC 0x0004 | |
58 | #define F_DYNAMIC 0x0008 | |
59 | #define F_REJECT 0x0010 | |
60 | #define F_BLACKHOLE 0x0020 | |
61 | #define F_REDISTRIBUTED 0x0040 | |
62 | ||
63 | struct evbuf { | |
eac6e3f0 RW |
64 | struct msgbuf wbuf; |
65 | struct thread *ev; | |
66 | int (*handler)(struct thread *); | |
67 | void *arg; | |
8429abe0 RW |
68 | }; |
69 | ||
70 | struct imsgev { | |
71 | struct imsgbuf ibuf; | |
eac6e3f0 RW |
72 | int (*handler_write)(struct thread *); |
73 | struct thread *ev_write; | |
74 | int (*handler_read)(struct thread *); | |
75 | struct thread *ev_read; | |
8429abe0 RW |
76 | }; |
77 | ||
78 | enum imsg_type { | |
79 | IMSG_NONE, | |
80 | IMSG_CTL_RELOAD, | |
81 | IMSG_CTL_SHOW_INTERFACE, | |
82 | IMSG_CTL_SHOW_DISCOVERY, | |
bc0eb287 | 83 | IMSG_CTL_SHOW_DISCOVERY_DTL, |
eac6e3f0 RW |
84 | IMSG_CTL_SHOW_DISC_IFACE, |
85 | IMSG_CTL_SHOW_DISC_TNBR, | |
86 | IMSG_CTL_SHOW_DISC_ADJ, | |
8429abe0 | 87 | IMSG_CTL_SHOW_NBR, |
eac6e3f0 RW |
88 | IMSG_CTL_SHOW_NBR_DISC, |
89 | IMSG_CTL_SHOW_NBR_END, | |
8429abe0 | 90 | IMSG_CTL_SHOW_LIB, |
0f7b5df9 RW |
91 | IMSG_CTL_SHOW_LIB_BEGIN, |
92 | IMSG_CTL_SHOW_LIB_SENT, | |
93 | IMSG_CTL_SHOW_LIB_RCVD, | |
94 | IMSG_CTL_SHOW_LIB_END, | |
8429abe0 RW |
95 | IMSG_CTL_SHOW_L2VPN_PW, |
96 | IMSG_CTL_SHOW_L2VPN_BINDING, | |
e1894ff7 | 97 | IMSG_CTL_SHOW_LDP_SYNC, |
8429abe0 RW |
98 | IMSG_CTL_CLEAR_NBR, |
99 | IMSG_CTL_FIB_COUPLE, | |
100 | IMSG_CTL_FIB_DECOUPLE, | |
101 | IMSG_CTL_KROUTE, | |
102 | IMSG_CTL_KROUTE_ADDR, | |
103 | IMSG_CTL_IFINFO, | |
104 | IMSG_CTL_END, | |
105 | IMSG_CTL_LOG_VERBOSE, | |
106 | IMSG_KLABEL_CHANGE, | |
107 | IMSG_KLABEL_DELETE, | |
87b5f1b7 RW |
108 | IMSG_KPW_ADD, |
109 | IMSG_KPW_DELETE, | |
110 | IMSG_KPW_SET, | |
111 | IMSG_KPW_UNSET, | |
8429abe0 RW |
112 | IMSG_IFSTATUS, |
113 | IMSG_NEWADDR, | |
114 | IMSG_DELADDR, | |
eac6e3f0 | 115 | IMSG_RTRID_UPDATE, |
8429abe0 RW |
116 | IMSG_LABEL_MAPPING, |
117 | IMSG_LABEL_MAPPING_FULL, | |
118 | IMSG_LABEL_REQUEST, | |
119 | IMSG_LABEL_RELEASE, | |
120 | IMSG_LABEL_WITHDRAW, | |
121 | IMSG_LABEL_ABORT, | |
122 | IMSG_REQUEST_ADD, | |
123 | IMSG_REQUEST_ADD_END, | |
124 | IMSG_MAPPING_ADD, | |
125 | IMSG_MAPPING_ADD_END, | |
126 | IMSG_RELEASE_ADD, | |
127 | IMSG_RELEASE_ADD_END, | |
128 | IMSG_WITHDRAW_ADD, | |
129 | IMSG_WITHDRAW_ADD_END, | |
130 | IMSG_ADDRESS_ADD, | |
131 | IMSG_ADDRESS_DEL, | |
132 | IMSG_NOTIFICATION, | |
133 | IMSG_NOTIFICATION_SEND, | |
134 | IMSG_NEIGHBOR_UP, | |
135 | IMSG_NEIGHBOR_DOWN, | |
136 | IMSG_NETWORK_ADD, | |
8cb1fc45 | 137 | IMSG_NETWORK_UPDATE, |
8429abe0 RW |
138 | IMSG_SOCKET_IPC, |
139 | IMSG_SOCKET_NET, | |
140 | IMSG_CLOSE_SOCKETS, | |
141 | IMSG_REQUEST_SOCKETS, | |
142 | IMSG_SETUP_SOCKETS, | |
143 | IMSG_RECONF_CONF, | |
144 | IMSG_RECONF_IFACE, | |
145 | IMSG_RECONF_TNBR, | |
146 | IMSG_RECONF_NBRP, | |
147 | IMSG_RECONF_L2VPN, | |
148 | IMSG_RECONF_L2VPN_IF, | |
149 | IMSG_RECONF_L2VPN_PW, | |
eac6e3f0 RW |
150 | IMSG_RECONF_L2VPN_IPW, |
151 | IMSG_RECONF_END, | |
152 | IMSG_DEBUG_UPDATE, | |
45a8eba9 | 153 | IMSG_LOG, |
274f5abf | 154 | IMSG_ACL_CHECK, |
87b5f1b7 | 155 | IMSG_INIT, |
2d1aa1e8 | 156 | IMSG_PW_UPDATE, |
157 | IMSG_FILTER_UPDATE, | |
e1894ff7 KS |
158 | IMSG_NBR_SHUTDOWN, |
159 | IMSG_LDP_SYNC_IF_STATE_REQUEST, | |
160 | IMSG_LDP_SYNC_IF_STATE_UPDATE | |
274f5abf RW |
161 | }; |
162 | ||
163 | struct ldpd_init { | |
164 | char user[256]; | |
165 | char group[256]; | |
166 | char ctl_sock_path[MAXPATHLEN]; | |
167 | char zclient_serv_path[MAXPATHLEN]; | |
d7c0a89a | 168 | unsigned short instance; |
8429abe0 RW |
169 | }; |
170 | ||
2d1aa1e8 | 171 | struct ldp_access { |
172 | char name[ACL_NAMSIZ]; | |
173 | enum access_type type; | |
174 | }; | |
175 | ||
8429abe0 RW |
176 | union ldpd_addr { |
177 | struct in_addr v4; | |
178 | struct in6_addr v6; | |
179 | }; | |
180 | ||
181 | #define IN6_IS_SCOPE_EMBED(a) \ | |
182 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ | |
183 | (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \ | |
184 | (IN6_IS_ADDR_MC_INTFACELOCAL(a))) | |
185 | ||
186 | /* interface states */ | |
187 | #define IF_STA_DOWN 0x01 | |
188 | #define IF_STA_ACTIVE 0x02 | |
189 | ||
190 | /* targeted neighbor states */ | |
191 | #define TNBR_STA_DOWN 0x01 | |
192 | #define TNBR_STA_ACTIVE 0x02 | |
193 | ||
194 | /* interface types */ | |
195 | enum iface_type { | |
196 | IF_TYPE_POINTOPOINT, | |
197 | IF_TYPE_BROADCAST | |
198 | }; | |
199 | ||
200 | /* neighbor states */ | |
201 | #define NBR_STA_PRESENT 0x0001 | |
202 | #define NBR_STA_INITIAL 0x0002 | |
203 | #define NBR_STA_OPENREC 0x0004 | |
204 | #define NBR_STA_OPENSENT 0x0008 | |
205 | #define NBR_STA_OPER 0x0010 | |
206 | #define NBR_STA_SESSION (NBR_STA_INITIAL | NBR_STA_OPENREC | \ | |
207 | NBR_STA_OPENSENT | NBR_STA_OPER) | |
208 | ||
209 | /* neighbor events */ | |
210 | enum nbr_event { | |
211 | NBR_EVT_NOTHING, | |
212 | NBR_EVT_MATCH_ADJ, | |
213 | NBR_EVT_CONNECT_UP, | |
214 | NBR_EVT_CLOSE_SESSION, | |
215 | NBR_EVT_INIT_RCVD, | |
216 | NBR_EVT_KEEPALIVE_RCVD, | |
217 | NBR_EVT_PDU_RCVD, | |
218 | NBR_EVT_PDU_SENT, | |
219 | NBR_EVT_INIT_SENT | |
220 | }; | |
221 | ||
222 | /* neighbor actions */ | |
223 | enum nbr_action { | |
224 | NBR_ACT_NOTHING, | |
225 | NBR_ACT_RST_KTIMEOUT, | |
226 | NBR_ACT_SESSION_EST, | |
227 | NBR_ACT_RST_KTIMER, | |
228 | NBR_ACT_CONNECT_SETUP, | |
229 | NBR_ACT_PASSIVE_INIT, | |
230 | NBR_ACT_KEEPALIVE_SEND, | |
231 | NBR_ACT_CLOSE_SESSION | |
232 | }; | |
233 | ||
e1894ff7 KS |
234 | /* LDP IGP Sync states */ |
235 | #define LDP_SYNC_STA_UNKNOWN 0x0000 | |
236 | #define LDP_SYNC_STA_NOT_ACH 0x0001 | |
237 | #define LDP_SYNC_STA_ACH 0x0002 | |
238 | ||
239 | /* LDP IGP Sync events */ | |
240 | enum ldp_sync_event { | |
241 | LDP_SYNC_EVT_NOTHING, | |
242 | LDP_SYNC_EVT_LDP_SYNC_START, | |
243 | LDP_SYNC_EVT_LDP_SYNC_COMPLETE, | |
244 | LDP_SYNC_EVT_CONFIG_LDP_OFF, | |
245 | LDP_SYNC_EVT_ADJ_DEL, | |
246 | LDP_SYNC_EVT_ADJ_NEW, | |
247 | LDP_SYNC_EVT_SESSION_CLOSE, | |
248 | LDP_SYNC_EVT_CONFIG_LDP_ON, | |
249 | LDP_SYNC_EVT_IFACE_SHUTDOWN | |
250 | }; | |
251 | ||
252 | /* LDP IGP Sync actions */ | |
253 | enum ldp_sync_action { | |
254 | LDP_SYNC_ACT_NOTHING, | |
255 | LDP_SYNC_ACT_IFACE_START_SYNC, | |
256 | LDP_SYNC_ACT_LDP_START_SYNC, | |
257 | LDP_SYNC_ACT_LDP_COMPLETE_SYNC, | |
258 | LDP_SYNC_ACT_CONFIG_LDP_OFF, | |
259 | LDP_SYNC_ACT_IFACE_SHUTDOWN | |
260 | }; | |
261 | ||
057d48bd RW |
262 | /* forward declarations */ |
263 | RB_HEAD(global_adj_head, adj); | |
264 | RB_HEAD(nbr_adj_head, adj); | |
265 | RB_HEAD(ia_adj_head, adj); | |
8429abe0 RW |
266 | |
267 | struct map { | |
268 | uint8_t type; | |
269 | uint32_t msg_id; | |
270 | union { | |
271 | struct { | |
272 | uint16_t af; | |
273 | union ldpd_addr prefix; | |
274 | uint8_t prefixlen; | |
275 | } prefix; | |
276 | struct { | |
277 | uint16_t type; | |
278 | uint32_t pwid; | |
279 | uint32_t group_id; | |
280 | uint16_t ifmtu; | |
281 | } pwid; | |
d4afb819 RW |
282 | struct { |
283 | uint8_t type; | |
284 | union { | |
285 | uint16_t prefix_af; | |
aba50a83 | 286 | uint16_t pw_type; |
d4afb819 RW |
287 | } u; |
288 | } twcard; | |
8429abe0 RW |
289 | } fec; |
290 | struct { | |
291 | uint32_t status_code; | |
292 | uint32_t msg_id; | |
293 | uint16_t msg_type; | |
294 | } st; | |
295 | uint32_t label; | |
296 | uint32_t requestid; | |
297 | uint32_t pw_status; | |
298 | uint8_t flags; | |
299 | }; | |
300 | #define F_MAP_REQ_ID 0x01 /* optional request message id present */ | |
301 | #define F_MAP_STATUS 0x02 /* status */ | |
302 | #define F_MAP_PW_CWORD 0x04 /* pseudowire control word */ | |
303 | #define F_MAP_PW_ID 0x08 /* pseudowire connection id */ | |
304 | #define F_MAP_PW_IFMTU 0x10 /* pseudowire interface parameter */ | |
305 | #define F_MAP_PW_STATUS 0x20 /* pseudowire status */ | |
306 | ||
307 | struct notify_msg { | |
308 | uint32_t status_code; | |
309 | uint32_t msg_id; /* network byte order */ | |
310 | uint16_t msg_type; /* network byte order */ | |
311 | uint32_t pw_status; | |
312 | struct map fec; | |
8819fc38 RW |
313 | struct { |
314 | uint16_t type; | |
315 | uint16_t length; | |
316 | char *data; | |
317 | } rtlvs; | |
8429abe0 RW |
318 | uint8_t flags; |
319 | }; | |
320 | #define F_NOTIF_PW_STATUS 0x01 /* pseudowire status tlv present */ | |
321 | #define F_NOTIF_FEC 0x02 /* fec tlv present */ | |
8819fc38 | 322 | #define F_NOTIF_RETURNED_TLVS 0x04 /* returned tlvs present */ |
8429abe0 RW |
323 | |
324 | struct if_addr { | |
325 | LIST_ENTRY(if_addr) entry; | |
326 | int af; | |
327 | union ldpd_addr addr; | |
328 | uint8_t prefixlen; | |
329 | union ldpd_addr dstbrd; | |
330 | }; | |
331 | LIST_HEAD(if_addr_head, if_addr); | |
332 | ||
333 | struct iface_af { | |
334 | struct iface *iface; | |
335 | int af; | |
336 | int enabled; | |
337 | int state; | |
057d48bd | 338 | struct ia_adj_head adj_tree; |
8429abe0 | 339 | time_t uptime; |
eac6e3f0 | 340 | struct thread *hello_timer; |
8429abe0 RW |
341 | uint16_t hello_holdtime; |
342 | uint16_t hello_interval; | |
343 | }; | |
344 | ||
e1894ff7 KS |
345 | struct iface_ldp_sync { |
346 | int state; | |
347 | struct thread *wait_for_sync_timer; | |
348 | }; | |
349 | ||
8429abe0 | 350 | struct iface { |
7d3d7491 | 351 | RB_ENTRY(iface) entry; |
8429abe0 | 352 | char name[IF_NAMESIZE]; |
6cd8093d | 353 | ifindex_t ifindex; |
8429abe0 RW |
354 | struct if_addr_head addr_list; |
355 | struct in6_addr linklocal; | |
356 | enum iface_type type; | |
988ded8d | 357 | int operative; |
8429abe0 RW |
358 | struct iface_af ipv4; |
359 | struct iface_af ipv6; | |
e1894ff7 | 360 | struct iface_ldp_sync ldp_sync; |
4af8997d | 361 | QOBJ_FIELDS |
8429abe0 | 362 | }; |
7d3d7491 RW |
363 | RB_HEAD(iface_head, iface); |
364 | RB_PROTOTYPE(iface_head, iface, entry, iface_compare); | |
4af8997d | 365 | DECLARE_QOBJ_TYPE(iface) |
8429abe0 RW |
366 | |
367 | /* source of targeted hellos */ | |
368 | struct tnbr { | |
7989cdba | 369 | RB_ENTRY(tnbr) entry; |
eac6e3f0 | 370 | struct thread *hello_timer; |
8429abe0 RW |
371 | struct adj *adj; |
372 | int af; | |
373 | union ldpd_addr addr; | |
374 | int state; | |
8429abe0 RW |
375 | uint16_t pw_count; |
376 | uint8_t flags; | |
4af8997d | 377 | QOBJ_FIELDS |
8429abe0 | 378 | }; |
7989cdba RW |
379 | RB_HEAD(tnbr_head, tnbr); |
380 | RB_PROTOTYPE(tnbr_head, tnbr, entry, tnbr_compare); | |
4af8997d | 381 | DECLARE_QOBJ_TYPE(tnbr) |
8429abe0 RW |
382 | #define F_TNBR_CONFIGURED 0x01 |
383 | #define F_TNBR_DYNAMIC 0x02 | |
384 | ||
385 | enum auth_method { | |
386 | AUTH_NONE, | |
387 | AUTH_MD5SIG | |
388 | }; | |
389 | ||
390 | /* neighbor specific parameters */ | |
391 | struct nbr_params { | |
76c4abd1 | 392 | RB_ENTRY(nbr_params) entry; |
8429abe0 RW |
393 | struct in_addr lsr_id; |
394 | uint16_t keepalive; | |
395 | int gtsm_enabled; | |
396 | uint8_t gtsm_hops; | |
397 | struct { | |
398 | enum auth_method method; | |
399 | char md5key[TCP_MD5_KEY_LEN]; | |
400 | uint8_t md5key_len; | |
401 | } auth; | |
402 | uint8_t flags; | |
4af8997d | 403 | QOBJ_FIELDS |
8429abe0 | 404 | }; |
76c4abd1 RW |
405 | RB_HEAD(nbrp_head, nbr_params); |
406 | RB_PROTOTYPE(nbrp_head, nbr_params, entry, nbr_params_compare); | |
4af8997d | 407 | DECLARE_QOBJ_TYPE(nbr_params) |
8429abe0 RW |
408 | #define F_NBRP_KEEPALIVE 0x01 |
409 | #define F_NBRP_GTSM 0x02 | |
410 | #define F_NBRP_GTSM_HOPS 0x04 | |
411 | ||
0f7b5df9 RW |
412 | struct ldp_stats { |
413 | uint32_t kalive_sent; | |
414 | uint32_t kalive_rcvd; | |
415 | uint32_t addr_sent; | |
416 | uint32_t addr_rcvd; | |
417 | uint32_t addrwdraw_sent; | |
418 | uint32_t addrwdraw_rcvd; | |
419 | uint32_t notif_sent; | |
420 | uint32_t notif_rcvd; | |
421 | uint32_t capability_sent; | |
422 | uint32_t capability_rcvd; | |
423 | uint32_t labelmap_sent; | |
424 | uint32_t labelmap_rcvd; | |
425 | uint32_t labelreq_sent; | |
426 | uint32_t labelreq_rcvd; | |
427 | uint32_t labelwdraw_sent; | |
428 | uint32_t labelwdraw_rcvd; | |
429 | uint32_t labelrel_sent; | |
430 | uint32_t labelrel_rcvd; | |
431 | uint32_t labelabreq_sent; | |
432 | uint32_t labelabreq_rcvd; | |
433 | }; | |
434 | ||
8429abe0 | 435 | struct l2vpn_if { |
029c1958 | 436 | RB_ENTRY(l2vpn_if) entry; |
8429abe0 RW |
437 | struct l2vpn *l2vpn; |
438 | char ifname[IF_NAMESIZE]; | |
6cd8093d | 439 | ifindex_t ifindex; |
988ded8d | 440 | int operative; |
9bff8057 | 441 | uint8_t mac[ETH_ALEN]; |
4af8997d | 442 | QOBJ_FIELDS |
8429abe0 | 443 | }; |
029c1958 RW |
444 | RB_HEAD(l2vpn_if_head, l2vpn_if); |
445 | RB_PROTOTYPE(l2vpn_if_head, l2vpn_if, entry, l2vpn_if_compare); | |
4af8997d | 446 | DECLARE_QOBJ_TYPE(l2vpn_if) |
8429abe0 RW |
447 | |
448 | struct l2vpn_pw { | |
20bacaeb | 449 | RB_ENTRY(l2vpn_pw) entry; |
8429abe0 RW |
450 | struct l2vpn *l2vpn; |
451 | struct in_addr lsr_id; | |
452 | int af; | |
453 | union ldpd_addr addr; | |
454 | uint32_t pwid; | |
455 | char ifname[IF_NAMESIZE]; | |
6cd8093d | 456 | ifindex_t ifindex; |
3c5b5220 | 457 | bool enabled; |
8429abe0 RW |
458 | uint32_t remote_group; |
459 | uint16_t remote_mtu; | |
87b5f1b7 | 460 | uint32_t local_status; |
8429abe0 RW |
461 | uint32_t remote_status; |
462 | uint8_t flags; | |
6bbdd9e9 | 463 | uint8_t reason; |
4af8997d | 464 | QOBJ_FIELDS |
8429abe0 | 465 | }; |
20bacaeb RW |
466 | RB_HEAD(l2vpn_pw_head, l2vpn_pw); |
467 | RB_PROTOTYPE(l2vpn_pw_head, l2vpn_pw, entry, l2vpn_pw_compare); | |
4af8997d | 468 | DECLARE_QOBJ_TYPE(l2vpn_pw) |
8429abe0 RW |
469 | #define F_PW_STATUSTLV_CONF 0x01 /* status tlv configured */ |
470 | #define F_PW_STATUSTLV 0x02 /* status tlv negotiated */ | |
471 | #define F_PW_CWORD_CONF 0x04 /* control word configured */ | |
472 | #define F_PW_CWORD 0x08 /* control word negotiated */ | |
87b5f1b7 | 473 | #define F_PW_STATIC_NBR_ADDR 0x10 /* static neighbor address configured */ |
8429abe0 | 474 | |
6bbdd9e9 | 475 | #define F_PW_NO_ERR 0x00 /* no error reported */ |
476 | #define F_PW_LOCAL_NOT_FWD 0x01 /* locally can't forward over PW */ | |
477 | #define F_PW_REMOTE_NOT_FWD 0x02 /* remote end of PW reported fwd error*/ | |
478 | #define F_PW_NO_REMOTE_LABEL 0x03 /* have not recvd label from peer */ | |
479 | #define F_PW_MTU_MISMATCH 0x04 /* mtu mismatch between peers */ | |
480 | ||
8429abe0 | 481 | struct l2vpn { |
90d7e7bd | 482 | RB_ENTRY(l2vpn) entry; |
8429abe0 RW |
483 | char name[L2VPN_NAME_LEN]; |
484 | int type; | |
485 | int pw_type; | |
486 | int mtu; | |
487 | char br_ifname[IF_NAMESIZE]; | |
6cd8093d | 488 | ifindex_t br_ifindex; |
029c1958 | 489 | struct l2vpn_if_head if_tree; |
20bacaeb RW |
490 | struct l2vpn_pw_head pw_tree; |
491 | struct l2vpn_pw_head pw_inactive_tree; | |
4af8997d | 492 | QOBJ_FIELDS |
8429abe0 | 493 | }; |
90d7e7bd RW |
494 | RB_HEAD(l2vpn_head, l2vpn); |
495 | RB_PROTOTYPE(l2vpn_head, l2vpn, entry, l2vpn_compare); | |
4af8997d | 496 | DECLARE_QOBJ_TYPE(l2vpn) |
8429abe0 RW |
497 | #define L2VPN_TYPE_VPWS 1 |
498 | #define L2VPN_TYPE_VPLS 2 | |
499 | ||
500 | /* ldp_conf */ | |
54ca644b | 501 | extern enum ldpd_process { |
8429abe0 RW |
502 | PROC_MAIN, |
503 | PROC_LDP_ENGINE, | |
504 | PROC_LDE_ENGINE | |
505 | } ldpd_process; | |
506 | ||
fa68f9da RW |
507 | static const char * const log_procnames[] = { |
508 | "parent", | |
509 | "ldpe", | |
510 | "lde" | |
511 | }; | |
512 | ||
8429abe0 RW |
513 | enum socket_type { |
514 | LDP_SOCKET_DISC, | |
515 | LDP_SOCKET_EDISC, | |
516 | LDP_SOCKET_SESSION | |
517 | }; | |
518 | ||
519 | enum hello_type { | |
520 | HELLO_LINK, | |
521 | HELLO_TARGETED | |
522 | }; | |
523 | ||
524 | struct ldpd_af_conf { | |
525 | uint16_t keepalive; | |
eac6e3f0 RW |
526 | uint16_t lhello_holdtime; |
527 | uint16_t lhello_interval; | |
8429abe0 RW |
528 | uint16_t thello_holdtime; |
529 | uint16_t thello_interval; | |
530 | union ldpd_addr trans_addr; | |
45a8eba9 RW |
531 | char acl_thello_accept_from[ACL_NAMSIZ]; |
532 | char acl_label_allocate_for[ACL_NAMSIZ]; | |
533 | char acl_label_advertise_to[ACL_NAMSIZ]; | |
534 | char acl_label_advertise_for[ACL_NAMSIZ]; | |
535 | char acl_label_expnull_for[ACL_NAMSIZ]; | |
536 | char acl_label_accept_from[ACL_NAMSIZ]; | |
537 | char acl_label_accept_for[ACL_NAMSIZ]; | |
8429abe0 RW |
538 | int flags; |
539 | }; | |
540 | #define F_LDPD_AF_ENABLED 0x0001 | |
541 | #define F_LDPD_AF_THELLO_ACCEPT 0x0002 | |
542 | #define F_LDPD_AF_EXPNULL 0x0004 | |
543 | #define F_LDPD_AF_NO_GTSM 0x0008 | |
45a8eba9 | 544 | #define F_LDPD_AF_ALLOCHOSTONLY 0x0010 |
8429abe0 RW |
545 | |
546 | struct ldpd_conf { | |
547 | struct in_addr rtr_id; | |
548 | struct ldpd_af_conf ipv4; | |
549 | struct ldpd_af_conf ipv6; | |
7d3d7491 | 550 | struct iface_head iface_tree; |
7989cdba | 551 | struct tnbr_head tnbr_tree; |
76c4abd1 | 552 | struct nbrp_head nbrp_tree; |
90d7e7bd | 553 | struct l2vpn_head l2vpn_tree; |
eac6e3f0 RW |
554 | uint16_t lhello_holdtime; |
555 | uint16_t lhello_interval; | |
556 | uint16_t thello_holdtime; | |
557 | uint16_t thello_interval; | |
8429abe0 | 558 | uint16_t trans_pref; |
e1894ff7 | 559 | uint16_t wait_for_sync_interval; |
8429abe0 | 560 | int flags; |
4af8997d | 561 | QOBJ_FIELDS |
8429abe0 | 562 | }; |
4af8997d | 563 | DECLARE_QOBJ_TYPE(ldpd_conf) |
8429abe0 RW |
564 | #define F_LDPD_NO_FIB_UPDATE 0x0001 |
565 | #define F_LDPD_DS_CISCO_INTEROP 0x0002 | |
eac6e3f0 | 566 | #define F_LDPD_ENABLED 0x0004 |
aff1743c KS |
567 | #define F_LDPD_ORDERED_CONTROL 0x0008 |
568 | ||
8429abe0 RW |
569 | |
570 | struct ldpd_af_global { | |
eac6e3f0 RW |
571 | struct thread *disc_ev; |
572 | struct thread *edisc_ev; | |
8429abe0 RW |
573 | int ldp_disc_socket; |
574 | int ldp_edisc_socket; | |
575 | int ldp_session_socket; | |
576 | }; | |
577 | ||
578 | struct ldpd_global { | |
579 | int cmd_opts; | |
eac6e3f0 | 580 | struct in_addr rtr_id; |
8429abe0 RW |
581 | struct ldpd_af_global ipv4; |
582 | struct ldpd_af_global ipv6; | |
583 | uint32_t conf_seqnum; | |
584 | int pfkeysock; | |
585 | struct if_addr_head addr_list; | |
057d48bd | 586 | struct global_adj_head adj_tree; |
8429abe0 RW |
587 | struct in_addr mcast_addr_v4; |
588 | struct in6_addr mcast_addr_v6; | |
589 | TAILQ_HEAD(, pending_conn) pending_conns; | |
590 | }; | |
591 | ||
592 | /* kroute */ | |
593 | struct kroute { | |
594 | int af; | |
595 | union ldpd_addr prefix; | |
596 | uint8_t prefixlen; | |
597 | union ldpd_addr nexthop; | |
598 | uint32_t local_label; | |
599 | uint32_t remote_label; | |
6cd8093d | 600 | ifindex_t ifindex; |
e132dea0 RW |
601 | uint8_t route_type; |
602 | uint8_t route_instance; | |
8429abe0 RW |
603 | uint16_t flags; |
604 | }; | |
605 | ||
8429abe0 | 606 | struct kaddr { |
9cf67225 | 607 | char ifname[IF_NAMESIZE]; |
6cd8093d | 608 | ifindex_t ifindex; |
8429abe0 RW |
609 | int af; |
610 | union ldpd_addr addr; | |
611 | uint8_t prefixlen; | |
612 | union ldpd_addr dstbrd; | |
613 | }; | |
614 | ||
615 | struct kif { | |
616 | char ifname[IF_NAMESIZE]; | |
6cd8093d | 617 | ifindex_t ifindex; |
8429abe0 | 618 | int flags; |
988ded8d | 619 | int operative; |
9bff8057 | 620 | uint8_t mac[ETH_ALEN]; |
8429abe0 | 621 | int mtu; |
8429abe0 RW |
622 | }; |
623 | ||
45a8eba9 RW |
624 | struct acl_check { |
625 | char acl[ACL_NAMSIZ]; | |
626 | int af; | |
627 | union ldpd_addr addr; | |
628 | uint8_t prefixlen; | |
629 | }; | |
630 | ||
8429abe0 RW |
631 | /* control data structures */ |
632 | struct ctl_iface { | |
633 | int af; | |
634 | char name[IF_NAMESIZE]; | |
6cd8093d | 635 | ifindex_t ifindex; |
8429abe0 | 636 | int state; |
8429abe0 | 637 | enum iface_type type; |
8429abe0 RW |
638 | uint16_t hello_holdtime; |
639 | uint16_t hello_interval; | |
640 | time_t uptime; | |
641 | uint16_t adj_cnt; | |
642 | }; | |
643 | ||
eac6e3f0 RW |
644 | struct ctl_disc_if { |
645 | char name[IF_NAMESIZE]; | |
646 | int active_v4; | |
647 | int active_v6; | |
648 | int no_adj; | |
649 | }; | |
650 | ||
651 | struct ctl_disc_tnbr { | |
652 | int af; | |
653 | union ldpd_addr addr; | |
654 | int no_adj; | |
655 | }; | |
656 | ||
8429abe0 RW |
657 | struct ctl_adj { |
658 | int af; | |
659 | struct in_addr id; | |
660 | enum hello_type type; | |
661 | char ifname[IF_NAMESIZE]; | |
662 | union ldpd_addr src_addr; | |
663 | uint16_t holdtime; | |
0f7b5df9 | 664 | uint16_t holdtime_remaining; |
8429abe0 | 665 | union ldpd_addr trans_addr; |
0f7b5df9 | 666 | int ds_tlv; |
8429abe0 RW |
667 | }; |
668 | ||
669 | struct ctl_nbr { | |
670 | int af; | |
671 | struct in_addr id; | |
672 | union ldpd_addr laddr; | |
eac6e3f0 | 673 | in_port_t lport; |
8429abe0 | 674 | union ldpd_addr raddr; |
eac6e3f0 | 675 | in_port_t rport; |
0f7b5df9 | 676 | enum auth_method auth_method; |
eac6e3f0 | 677 | uint16_t holdtime; |
8429abe0 RW |
678 | time_t uptime; |
679 | int nbr_state; | |
0f7b5df9 | 680 | struct ldp_stats stats; |
99cfc17f | 681 | int flags; |
8429abe0 RW |
682 | }; |
683 | ||
684 | struct ctl_rt { | |
685 | int af; | |
686 | union ldpd_addr prefix; | |
687 | uint8_t prefixlen; | |
688 | struct in_addr nexthop; /* lsr-id */ | |
689 | uint32_t local_label; | |
690 | uint32_t remote_label; | |
691 | uint8_t flags; | |
692 | uint8_t in_use; | |
0f7b5df9 | 693 | int no_downstream; |
8429abe0 RW |
694 | }; |
695 | ||
696 | struct ctl_pw { | |
697 | uint16_t type; | |
eac6e3f0 | 698 | char l2vpn_name[L2VPN_NAME_LEN]; |
8429abe0 RW |
699 | char ifname[IF_NAMESIZE]; |
700 | uint32_t pwid; | |
701 | struct in_addr lsr_id; | |
702 | uint32_t local_label; | |
703 | uint32_t local_gid; | |
704 | uint16_t local_ifmtu; | |
eac6e3f0 | 705 | uint8_t local_cword; |
8429abe0 RW |
706 | uint32_t remote_label; |
707 | uint32_t remote_gid; | |
708 | uint16_t remote_ifmtu; | |
eac6e3f0 | 709 | uint8_t remote_cword; |
8429abe0 | 710 | uint32_t status; |
6bbdd9e9 | 711 | uint8_t reason; |
8429abe0 RW |
712 | }; |
713 | ||
e1894ff7 KS |
714 | struct ctl_ldp_sync { |
715 | char name[IF_NAMESIZE]; | |
716 | ifindex_t ifindex; | |
717 | bool in_sync; | |
718 | bool timer_running; | |
719 | uint16_t wait_time; | |
720 | uint16_t wait_time_remaining; | |
721 | struct in_addr peer_ldp_id; | |
722 | }; | |
723 | ||
56b8a8d2 | 724 | extern struct ldpd_conf *ldpd_conf, *vty_conf; |
8429abe0 | 725 | extern struct ldpd_global global; |
274f5abf | 726 | extern struct ldpd_init init; |
8429abe0 RW |
727 | |
728 | /* parse.y */ | |
729 | struct ldpd_conf *parse_config(char *); | |
730 | int cmdline_symset(char *); | |
731 | ||
732 | /* kroute.c */ | |
87b5f1b7 | 733 | void pw2zpw(struct l2vpn_pw *, struct zapi_pw *); |
8429abe0 RW |
734 | void kif_redistribute(const char *); |
735 | int kr_change(struct kroute *); | |
736 | int kr_delete(struct kroute *); | |
87b5f1b7 RW |
737 | int kmpw_add(struct zapi_pw *); |
738 | int kmpw_del(struct zapi_pw *); | |
739 | int kmpw_set(struct zapi_pw *); | |
740 | int kmpw_unset(struct zapi_pw *); | |
8429abe0 RW |
741 | |
742 | /* util.c */ | |
743 | uint8_t mask2prefixlen(in_addr_t); | |
744 | uint8_t mask2prefixlen6(struct sockaddr_in6 *); | |
745 | in_addr_t prefixlen2mask(uint8_t); | |
746 | struct in6_addr *prefixlen2mask6(uint8_t); | |
747 | void ldp_applymask(int, union ldpd_addr *, | |
748 | const union ldpd_addr *, int); | |
749 | int ldp_addrcmp(int, const union ldpd_addr *, | |
750 | const union ldpd_addr *); | |
751 | int ldp_addrisset(int, const union ldpd_addr *); | |
752 | int ldp_prefixcmp(int, const union ldpd_addr *, | |
753 | const union ldpd_addr *, uint8_t); | |
754 | int bad_addr_v4(struct in_addr); | |
755 | int bad_addr_v6(struct in6_addr *); | |
756 | int bad_addr(int, union ldpd_addr *); | |
757 | void embedscope(struct sockaddr_in6 *); | |
758 | void recoverscope(struct sockaddr_in6 *); | |
759 | void addscope(struct sockaddr_in6 *, uint32_t); | |
760 | void clearscope(struct in6_addr *); | |
4149ef7c A |
761 | void addr2sa(int af, const union ldpd_addr *, uint16_t, |
762 | union sockunion *su); | |
eac6e3f0 RW |
763 | void sa2addr(struct sockaddr *, int *, union ldpd_addr *, |
764 | in_port_t *); | |
765 | socklen_t sockaddr_len(struct sockaddr *); | |
8429abe0 RW |
766 | |
767 | /* ldpd.c */ | |
eac6e3f0 | 768 | int ldp_write_handler(struct thread *); |
8429abe0 RW |
769 | void main_imsg_compose_ldpe(int, pid_t, void *, uint16_t); |
770 | void main_imsg_compose_lde(int, pid_t, void *, uint16_t); | |
eac6e3f0 RW |
771 | int main_imsg_compose_both(enum imsg_type, void *, |
772 | uint16_t); | |
8429abe0 | 773 | void imsg_event_add(struct imsgev *); |
eac6e3f0 RW |
774 | int imsg_compose_event(struct imsgev *, uint16_t, uint32_t, |
775 | pid_t, int, void *, uint16_t); | |
8429abe0 RW |
776 | void evbuf_enqueue(struct evbuf *, struct ibuf *); |
777 | void evbuf_event_add(struct evbuf *); | |
eac6e3f0 RW |
778 | void evbuf_init(struct evbuf *, int, |
779 | int (*)(struct thread *), void *); | |
8429abe0 | 780 | void evbuf_clear(struct evbuf *); |
45a8eba9 RW |
781 | int ldp_acl_request(struct imsgev *, char *, int, |
782 | union ldpd_addr *, uint8_t); | |
783 | void ldp_acl_reply(struct imsgev *, struct acl_check *); | |
8429abe0 RW |
784 | struct ldpd_af_conf *ldp_af_conf_get(struct ldpd_conf *, int); |
785 | struct ldpd_af_global *ldp_af_global_get(struct ldpd_global *, int); | |
786 | int ldp_is_dual_stack(struct ldpd_conf *); | |
eac6e3f0 | 787 | in_addr_t ldp_rtr_id_get(struct ldpd_conf *); |
e4a82008 | 788 | int ldp_config_apply(struct vty *, struct ldpd_conf *); |
eac6e3f0 | 789 | void ldp_clear_config(struct ldpd_conf *); |
8429abe0 RW |
790 | void merge_config(struct ldpd_conf *, struct ldpd_conf *); |
791 | struct ldpd_conf *config_new_empty(void); | |
792 | void config_clear(struct ldpd_conf *); | |
793 | ||
bbee85d2 RW |
794 | /* ldp_vty_conf.c */ |
795 | /* NOTE: the parameters' names should be preserved because of codegen */ | |
7d3d7491 | 796 | struct iface *iface_new_api(struct ldpd_conf *conf, |
bbee85d2 | 797 | const char *name); |
7d3d7491 RW |
798 | void iface_del_api(struct ldpd_conf *conf, |
799 | struct iface *iface); | |
7989cdba | 800 | struct tnbr *tnbr_new_api(struct ldpd_conf *conf, int af, |
bbee85d2 | 801 | union ldpd_addr *addr); |
7989cdba | 802 | void tnbr_del_api(struct ldpd_conf *conf, struct tnbr *tnbr); |
76c4abd1 | 803 | struct nbr_params *nbrp_new_api(struct ldpd_conf *conf, |
bbee85d2 | 804 | struct in_addr lsr_id); |
76c4abd1 RW |
805 | void nbrp_del_api(struct ldpd_conf *conf, |
806 | struct nbr_params *nbrp); | |
90d7e7bd RW |
807 | struct l2vpn *l2vpn_new_api(struct ldpd_conf *conf, const char *name); |
808 | void l2vpn_del_api(struct ldpd_conf *conf, | |
809 | struct l2vpn *l2vpn); | |
bbee85d2 RW |
810 | struct l2vpn_if *l2vpn_if_new_api(struct ldpd_conf *conf, |
811 | struct l2vpn *l2vpn, const char *ifname); | |
029c1958 RW |
812 | void l2vpn_if_del_api(struct l2vpn *l2vpn, |
813 | struct l2vpn_if *lif); | |
bbee85d2 RW |
814 | struct l2vpn_pw *l2vpn_pw_new_api(struct ldpd_conf *conf, |
815 | struct l2vpn *l2vpn, const char *ifname); | |
20bacaeb RW |
816 | void l2vpn_pw_del_api(struct l2vpn *l2vpn, |
817 | struct l2vpn_pw *pw); | |
bbee85d2 | 818 | |
8429abe0 RW |
819 | /* socket.c */ |
820 | int ldp_create_socket(int, enum socket_type); | |
eac6e3f0 RW |
821 | void sock_set_nonblock(int); |
822 | void sock_set_cloexec(int); | |
8429abe0 RW |
823 | void sock_set_recvbuf(int); |
824 | int sock_set_reuse(int, int); | |
825 | int sock_set_bindany(int, int); | |
eac6e3f0 | 826 | int sock_set_md5sig(int, int, union ldpd_addr *, const char *); |
8429abe0 | 827 | int sock_set_ipv4_tos(int, int); |
eac6e3f0 | 828 | int sock_set_ipv4_pktinfo(int, int); |
6cd8093d | 829 | int sock_set_ipv4_recvdstaddr(int fd, ifindex_t ifindex); |
8429abe0 RW |
830 | int sock_set_ipv4_recvif(int, int); |
831 | int sock_set_ipv4_minttl(int, int); | |
832 | int sock_set_ipv4_ucast_ttl(int fd, int); | |
833 | int sock_set_ipv4_mcast_ttl(int, uint8_t); | |
834 | int sock_set_ipv4_mcast(struct iface *); | |
835 | int sock_set_ipv4_mcast_loop(int); | |
836 | int sock_set_ipv6_dscp(int, int); | |
837 | int sock_set_ipv6_pktinfo(int, int); | |
838 | int sock_set_ipv6_minhopcount(int, int); | |
839 | int sock_set_ipv6_ucast_hops(int, int); | |
840 | int sock_set_ipv6_mcast_hops(int, int); | |
841 | int sock_set_ipv6_mcast(struct iface *); | |
842 | int sock_set_ipv6_mcast_loop(int); | |
843 | ||
fa68f9da RW |
844 | /* logmsg.h */ |
845 | struct in6_addr; | |
846 | union ldpd_addr; | |
847 | struct hello_source; | |
848 | struct fec; | |
849 | ||
850 | const char *log_sockaddr(void *); | |
851 | const char *log_in6addr(const struct in6_addr *); | |
6cd8093d DS |
852 | const char *log_in6addr_scope(const struct in6_addr *addr, |
853 | ifindex_t ifidx); | |
fa68f9da RW |
854 | const char *log_addr(int, const union ldpd_addr *); |
855 | char *log_label(uint32_t); | |
856 | const char *log_time(time_t); | |
857 | char *log_hello_src(const struct hello_source *); | |
858 | const char *log_map(const struct map *); | |
859 | const char *log_fec(const struct fec *); | |
860 | const char *af_name(int); | |
861 | const char *socket_name(int); | |
862 | const char *nbr_state_name(int); | |
863 | const char *if_state_name(int); | |
864 | const char *if_type_name(enum iface_type); | |
865 | const char *msg_name(uint16_t); | |
866 | const char *status_code_name(uint32_t); | |
867 | const char *pw_type_name(uint16_t); | |
6bbdd9e9 | 868 | const char *pw_error_code(uint8_t); |
fa68f9da | 869 | |
eac6e3f0 RW |
870 | /* quagga */ |
871 | extern struct thread_master *master; | |
372b8bd3 | 872 | extern char ctl_sock_path[MAXPATHLEN]; |
eac6e3f0 RW |
873 | |
874 | /* ldp_zebra.c */ | |
64dffe25 RW |
875 | void ldp_zebra_init(struct thread_master *); |
876 | void ldp_zebra_destroy(void); | |
e1894ff7 | 877 | int ldp_sync_zebra_send_state_update(struct ldp_igp_sync_if_state *); |
eac6e3f0 RW |
878 | |
879 | /* compatibility */ | |
880 | #ifndef __OpenBSD__ | |
881 | #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) | |
882 | #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 | |
883 | #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ | |
884 | (IN6_IS_ADDR_MULTICAST(a) && \ | |
885 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_INTFACELOCAL)) | |
886 | #endif | |
8429abe0 RW |
887 | |
888 | #endif /* _LDPD_H_ */ |