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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 | ||
eac6e3f0 RW |
25 | #include "openbsd-queue.h" |
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" |
8429abe0 RW |
32 | |
33 | #include "ldp.h" | |
34 | ||
35 | #define CONF_FILE "/etc/ldpd.conf" | |
8429abe0 RW |
36 | #define LDPD_USER "_ldpd" |
37 | ||
28e8294c RW |
38 | #define LDPD_FD_ASYNC 3 |
39 | #define LDPD_FD_SYNC 4 | |
40 | ||
8429abe0 RW |
41 | #define LDPD_OPT_VERBOSE 0x00000001 |
42 | #define LDPD_OPT_VERBOSE2 0x00000002 | |
43 | #define LDPD_OPT_NOACTION 0x00000004 | |
44 | ||
45 | #define TCP_MD5_KEY_LEN 80 | |
46 | #define L2VPN_NAME_LEN 32 | |
47 | ||
48 | #define RT_BUF_SIZE 16384 | |
49 | #define MAX_RTSOCK_BUF 128 * 1024 | |
50 | #define LDP_BACKLOG 128 | |
51 | ||
52 | #define F_LDPD_INSERTED 0x0001 | |
53 | #define F_CONNECTED 0x0002 | |
54 | #define F_STATIC 0x0004 | |
55 | #define F_DYNAMIC 0x0008 | |
56 | #define F_REJECT 0x0010 | |
57 | #define F_BLACKHOLE 0x0020 | |
58 | #define F_REDISTRIBUTED 0x0040 | |
59 | ||
60 | struct evbuf { | |
eac6e3f0 RW |
61 | struct msgbuf wbuf; |
62 | struct thread *ev; | |
63 | int (*handler)(struct thread *); | |
64 | void *arg; | |
8429abe0 RW |
65 | }; |
66 | ||
67 | struct imsgev { | |
68 | struct imsgbuf ibuf; | |
eac6e3f0 RW |
69 | int (*handler_write)(struct thread *); |
70 | struct thread *ev_write; | |
71 | int (*handler_read)(struct thread *); | |
72 | struct thread *ev_read; | |
8429abe0 RW |
73 | }; |
74 | ||
75 | enum imsg_type { | |
76 | IMSG_NONE, | |
77 | IMSG_CTL_RELOAD, | |
78 | IMSG_CTL_SHOW_INTERFACE, | |
79 | IMSG_CTL_SHOW_DISCOVERY, | |
bc0eb287 | 80 | IMSG_CTL_SHOW_DISCOVERY_DTL, |
eac6e3f0 RW |
81 | IMSG_CTL_SHOW_DISC_IFACE, |
82 | IMSG_CTL_SHOW_DISC_TNBR, | |
83 | IMSG_CTL_SHOW_DISC_ADJ, | |
8429abe0 | 84 | IMSG_CTL_SHOW_NBR, |
eac6e3f0 RW |
85 | IMSG_CTL_SHOW_NBR_DISC, |
86 | IMSG_CTL_SHOW_NBR_END, | |
8429abe0 | 87 | IMSG_CTL_SHOW_LIB, |
0f7b5df9 RW |
88 | IMSG_CTL_SHOW_LIB_BEGIN, |
89 | IMSG_CTL_SHOW_LIB_SENT, | |
90 | IMSG_CTL_SHOW_LIB_RCVD, | |
91 | IMSG_CTL_SHOW_LIB_END, | |
8429abe0 RW |
92 | IMSG_CTL_SHOW_L2VPN_PW, |
93 | IMSG_CTL_SHOW_L2VPN_BINDING, | |
94 | IMSG_CTL_CLEAR_NBR, | |
95 | IMSG_CTL_FIB_COUPLE, | |
96 | IMSG_CTL_FIB_DECOUPLE, | |
97 | IMSG_CTL_KROUTE, | |
98 | IMSG_CTL_KROUTE_ADDR, | |
99 | IMSG_CTL_IFINFO, | |
100 | IMSG_CTL_END, | |
101 | IMSG_CTL_LOG_VERBOSE, | |
102 | IMSG_KLABEL_CHANGE, | |
103 | IMSG_KLABEL_DELETE, | |
104 | IMSG_KPWLABEL_CHANGE, | |
105 | IMSG_KPWLABEL_DELETE, | |
106 | IMSG_IFSTATUS, | |
107 | IMSG_NEWADDR, | |
108 | IMSG_DELADDR, | |
eac6e3f0 | 109 | IMSG_RTRID_UPDATE, |
8429abe0 RW |
110 | IMSG_LABEL_MAPPING, |
111 | IMSG_LABEL_MAPPING_FULL, | |
112 | IMSG_LABEL_REQUEST, | |
113 | IMSG_LABEL_RELEASE, | |
114 | IMSG_LABEL_WITHDRAW, | |
115 | IMSG_LABEL_ABORT, | |
116 | IMSG_REQUEST_ADD, | |
117 | IMSG_REQUEST_ADD_END, | |
118 | IMSG_MAPPING_ADD, | |
119 | IMSG_MAPPING_ADD_END, | |
120 | IMSG_RELEASE_ADD, | |
121 | IMSG_RELEASE_ADD_END, | |
122 | IMSG_WITHDRAW_ADD, | |
123 | IMSG_WITHDRAW_ADD_END, | |
124 | IMSG_ADDRESS_ADD, | |
125 | IMSG_ADDRESS_DEL, | |
126 | IMSG_NOTIFICATION, | |
127 | IMSG_NOTIFICATION_SEND, | |
128 | IMSG_NEIGHBOR_UP, | |
129 | IMSG_NEIGHBOR_DOWN, | |
130 | IMSG_NETWORK_ADD, | |
8cb1fc45 | 131 | IMSG_NETWORK_UPDATE, |
8429abe0 RW |
132 | IMSG_SOCKET_IPC, |
133 | IMSG_SOCKET_NET, | |
134 | IMSG_CLOSE_SOCKETS, | |
135 | IMSG_REQUEST_SOCKETS, | |
136 | IMSG_SETUP_SOCKETS, | |
137 | IMSG_RECONF_CONF, | |
138 | IMSG_RECONF_IFACE, | |
139 | IMSG_RECONF_TNBR, | |
140 | IMSG_RECONF_NBRP, | |
141 | IMSG_RECONF_L2VPN, | |
142 | IMSG_RECONF_L2VPN_IF, | |
143 | IMSG_RECONF_L2VPN_PW, | |
eac6e3f0 RW |
144 | IMSG_RECONF_L2VPN_IPW, |
145 | IMSG_RECONF_END, | |
146 | IMSG_DEBUG_UPDATE, | |
45a8eba9 | 147 | IMSG_LOG, |
fea12efb | 148 | IMSG_ACL_CHECK, |
149 | IMSG_GET_LABEL_CHUNK, | |
150 | IMSG_RELEASE_LABEL_CHUNK | |
8429abe0 RW |
151 | }; |
152 | ||
153 | union ldpd_addr { | |
154 | struct in_addr v4; | |
155 | struct in6_addr v6; | |
156 | }; | |
157 | ||
158 | #define IN6_IS_SCOPE_EMBED(a) \ | |
159 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ | |
160 | (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \ | |
161 | (IN6_IS_ADDR_MC_INTFACELOCAL(a))) | |
162 | ||
163 | /* interface states */ | |
164 | #define IF_STA_DOWN 0x01 | |
165 | #define IF_STA_ACTIVE 0x02 | |
166 | ||
167 | /* targeted neighbor states */ | |
168 | #define TNBR_STA_DOWN 0x01 | |
169 | #define TNBR_STA_ACTIVE 0x02 | |
170 | ||
171 | /* interface types */ | |
172 | enum iface_type { | |
173 | IF_TYPE_POINTOPOINT, | |
174 | IF_TYPE_BROADCAST | |
175 | }; | |
176 | ||
177 | /* neighbor states */ | |
178 | #define NBR_STA_PRESENT 0x0001 | |
179 | #define NBR_STA_INITIAL 0x0002 | |
180 | #define NBR_STA_OPENREC 0x0004 | |
181 | #define NBR_STA_OPENSENT 0x0008 | |
182 | #define NBR_STA_OPER 0x0010 | |
183 | #define NBR_STA_SESSION (NBR_STA_INITIAL | NBR_STA_OPENREC | \ | |
184 | NBR_STA_OPENSENT | NBR_STA_OPER) | |
185 | ||
186 | /* neighbor events */ | |
187 | enum nbr_event { | |
188 | NBR_EVT_NOTHING, | |
189 | NBR_EVT_MATCH_ADJ, | |
190 | NBR_EVT_CONNECT_UP, | |
191 | NBR_EVT_CLOSE_SESSION, | |
192 | NBR_EVT_INIT_RCVD, | |
193 | NBR_EVT_KEEPALIVE_RCVD, | |
194 | NBR_EVT_PDU_RCVD, | |
195 | NBR_EVT_PDU_SENT, | |
196 | NBR_EVT_INIT_SENT | |
197 | }; | |
198 | ||
199 | /* neighbor actions */ | |
200 | enum nbr_action { | |
201 | NBR_ACT_NOTHING, | |
202 | NBR_ACT_RST_KTIMEOUT, | |
203 | NBR_ACT_SESSION_EST, | |
204 | NBR_ACT_RST_KTIMER, | |
205 | NBR_ACT_CONNECT_SETUP, | |
206 | NBR_ACT_PASSIVE_INIT, | |
207 | NBR_ACT_KEEPALIVE_SEND, | |
208 | NBR_ACT_CLOSE_SESSION | |
209 | }; | |
210 | ||
057d48bd RW |
211 | /* forward declarations */ |
212 | RB_HEAD(global_adj_head, adj); | |
213 | RB_HEAD(nbr_adj_head, adj); | |
214 | RB_HEAD(ia_adj_head, adj); | |
8429abe0 RW |
215 | |
216 | struct map { | |
217 | uint8_t type; | |
218 | uint32_t msg_id; | |
219 | union { | |
220 | struct { | |
221 | uint16_t af; | |
222 | union ldpd_addr prefix; | |
223 | uint8_t prefixlen; | |
224 | } prefix; | |
225 | struct { | |
226 | uint16_t type; | |
227 | uint32_t pwid; | |
228 | uint32_t group_id; | |
229 | uint16_t ifmtu; | |
230 | } pwid; | |
d4afb819 RW |
231 | struct { |
232 | uint8_t type; | |
233 | union { | |
234 | uint16_t prefix_af; | |
aba50a83 | 235 | uint16_t pw_type; |
d4afb819 RW |
236 | } u; |
237 | } twcard; | |
8429abe0 RW |
238 | } fec; |
239 | struct { | |
240 | uint32_t status_code; | |
241 | uint32_t msg_id; | |
242 | uint16_t msg_type; | |
243 | } st; | |
244 | uint32_t label; | |
245 | uint32_t requestid; | |
246 | uint32_t pw_status; | |
247 | uint8_t flags; | |
248 | }; | |
249 | #define F_MAP_REQ_ID 0x01 /* optional request message id present */ | |
250 | #define F_MAP_STATUS 0x02 /* status */ | |
251 | #define F_MAP_PW_CWORD 0x04 /* pseudowire control word */ | |
252 | #define F_MAP_PW_ID 0x08 /* pseudowire connection id */ | |
253 | #define F_MAP_PW_IFMTU 0x10 /* pseudowire interface parameter */ | |
254 | #define F_MAP_PW_STATUS 0x20 /* pseudowire status */ | |
255 | ||
256 | struct notify_msg { | |
257 | uint32_t status_code; | |
258 | uint32_t msg_id; /* network byte order */ | |
259 | uint16_t msg_type; /* network byte order */ | |
260 | uint32_t pw_status; | |
261 | struct map fec; | |
8819fc38 RW |
262 | struct { |
263 | uint16_t type; | |
264 | uint16_t length; | |
265 | char *data; | |
266 | } rtlvs; | |
8429abe0 RW |
267 | uint8_t flags; |
268 | }; | |
269 | #define F_NOTIF_PW_STATUS 0x01 /* pseudowire status tlv present */ | |
270 | #define F_NOTIF_FEC 0x02 /* fec tlv present */ | |
8819fc38 | 271 | #define F_NOTIF_RETURNED_TLVS 0x04 /* returned tlvs present */ |
8429abe0 RW |
272 | |
273 | struct if_addr { | |
274 | LIST_ENTRY(if_addr) entry; | |
275 | int af; | |
276 | union ldpd_addr addr; | |
277 | uint8_t prefixlen; | |
278 | union ldpd_addr dstbrd; | |
279 | }; | |
280 | LIST_HEAD(if_addr_head, if_addr); | |
281 | ||
282 | struct iface_af { | |
283 | struct iface *iface; | |
284 | int af; | |
285 | int enabled; | |
286 | int state; | |
057d48bd | 287 | struct ia_adj_head adj_tree; |
8429abe0 | 288 | time_t uptime; |
eac6e3f0 | 289 | struct thread *hello_timer; |
8429abe0 RW |
290 | uint16_t hello_holdtime; |
291 | uint16_t hello_interval; | |
292 | }; | |
293 | ||
294 | struct iface { | |
7d3d7491 | 295 | RB_ENTRY(iface) entry; |
8429abe0 RW |
296 | char name[IF_NAMESIZE]; |
297 | unsigned int ifindex; | |
298 | struct if_addr_head addr_list; | |
299 | struct in6_addr linklocal; | |
300 | enum iface_type type; | |
8429abe0 | 301 | uint16_t flags; |
8429abe0 RW |
302 | struct iface_af ipv4; |
303 | struct iface_af ipv6; | |
4af8997d | 304 | QOBJ_FIELDS |
8429abe0 | 305 | }; |
7d3d7491 RW |
306 | RB_HEAD(iface_head, iface); |
307 | RB_PROTOTYPE(iface_head, iface, entry, iface_compare); | |
4af8997d | 308 | DECLARE_QOBJ_TYPE(iface) |
8429abe0 RW |
309 | |
310 | /* source of targeted hellos */ | |
311 | struct tnbr { | |
7989cdba | 312 | RB_ENTRY(tnbr) entry; |
eac6e3f0 | 313 | struct thread *hello_timer; |
8429abe0 RW |
314 | struct adj *adj; |
315 | int af; | |
316 | union ldpd_addr addr; | |
317 | int state; | |
8429abe0 RW |
318 | uint16_t pw_count; |
319 | uint8_t flags; | |
4af8997d | 320 | QOBJ_FIELDS |
8429abe0 | 321 | }; |
7989cdba RW |
322 | RB_HEAD(tnbr_head, tnbr); |
323 | RB_PROTOTYPE(tnbr_head, tnbr, entry, tnbr_compare); | |
4af8997d | 324 | DECLARE_QOBJ_TYPE(tnbr) |
8429abe0 RW |
325 | #define F_TNBR_CONFIGURED 0x01 |
326 | #define F_TNBR_DYNAMIC 0x02 | |
327 | ||
328 | enum auth_method { | |
329 | AUTH_NONE, | |
330 | AUTH_MD5SIG | |
331 | }; | |
332 | ||
333 | /* neighbor specific parameters */ | |
334 | struct nbr_params { | |
76c4abd1 | 335 | RB_ENTRY(nbr_params) entry; |
8429abe0 RW |
336 | struct in_addr lsr_id; |
337 | uint16_t keepalive; | |
338 | int gtsm_enabled; | |
339 | uint8_t gtsm_hops; | |
340 | struct { | |
341 | enum auth_method method; | |
342 | char md5key[TCP_MD5_KEY_LEN]; | |
343 | uint8_t md5key_len; | |
344 | } auth; | |
345 | uint8_t flags; | |
4af8997d | 346 | QOBJ_FIELDS |
8429abe0 | 347 | }; |
76c4abd1 RW |
348 | RB_HEAD(nbrp_head, nbr_params); |
349 | RB_PROTOTYPE(nbrp_head, nbr_params, entry, nbr_params_compare); | |
4af8997d | 350 | DECLARE_QOBJ_TYPE(nbr_params) |
8429abe0 RW |
351 | #define F_NBRP_KEEPALIVE 0x01 |
352 | #define F_NBRP_GTSM 0x02 | |
353 | #define F_NBRP_GTSM_HOPS 0x04 | |
354 | ||
0f7b5df9 RW |
355 | struct ldp_stats { |
356 | uint32_t kalive_sent; | |
357 | uint32_t kalive_rcvd; | |
358 | uint32_t addr_sent; | |
359 | uint32_t addr_rcvd; | |
360 | uint32_t addrwdraw_sent; | |
361 | uint32_t addrwdraw_rcvd; | |
362 | uint32_t notif_sent; | |
363 | uint32_t notif_rcvd; | |
364 | uint32_t capability_sent; | |
365 | uint32_t capability_rcvd; | |
366 | uint32_t labelmap_sent; | |
367 | uint32_t labelmap_rcvd; | |
368 | uint32_t labelreq_sent; | |
369 | uint32_t labelreq_rcvd; | |
370 | uint32_t labelwdraw_sent; | |
371 | uint32_t labelwdraw_rcvd; | |
372 | uint32_t labelrel_sent; | |
373 | uint32_t labelrel_rcvd; | |
374 | uint32_t labelabreq_sent; | |
375 | uint32_t labelabreq_rcvd; | |
376 | }; | |
377 | ||
8429abe0 | 378 | struct l2vpn_if { |
029c1958 | 379 | RB_ENTRY(l2vpn_if) entry; |
8429abe0 RW |
380 | struct l2vpn *l2vpn; |
381 | char ifname[IF_NAMESIZE]; | |
382 | unsigned int ifindex; | |
383 | uint16_t flags; | |
26519d8c | 384 | uint8_t mac[ETHER_ADDR_LEN]; |
4af8997d | 385 | QOBJ_FIELDS |
8429abe0 | 386 | }; |
029c1958 RW |
387 | RB_HEAD(l2vpn_if_head, l2vpn_if); |
388 | RB_PROTOTYPE(l2vpn_if_head, l2vpn_if, entry, l2vpn_if_compare); | |
4af8997d | 389 | DECLARE_QOBJ_TYPE(l2vpn_if) |
8429abe0 RW |
390 | |
391 | struct l2vpn_pw { | |
20bacaeb | 392 | RB_ENTRY(l2vpn_pw) entry; |
8429abe0 RW |
393 | struct l2vpn *l2vpn; |
394 | struct in_addr lsr_id; | |
395 | int af; | |
396 | union ldpd_addr addr; | |
397 | uint32_t pwid; | |
398 | char ifname[IF_NAMESIZE]; | |
399 | unsigned int ifindex; | |
400 | uint32_t remote_group; | |
401 | uint16_t remote_mtu; | |
402 | uint32_t remote_status; | |
403 | uint8_t flags; | |
4af8997d | 404 | QOBJ_FIELDS |
8429abe0 | 405 | }; |
20bacaeb RW |
406 | RB_HEAD(l2vpn_pw_head, l2vpn_pw); |
407 | RB_PROTOTYPE(l2vpn_pw_head, l2vpn_pw, entry, l2vpn_pw_compare); | |
4af8997d | 408 | DECLARE_QOBJ_TYPE(l2vpn_pw) |
8429abe0 RW |
409 | #define F_PW_STATUSTLV_CONF 0x01 /* status tlv configured */ |
410 | #define F_PW_STATUSTLV 0x02 /* status tlv negotiated */ | |
411 | #define F_PW_CWORD_CONF 0x04 /* control word configured */ | |
412 | #define F_PW_CWORD 0x08 /* control word negotiated */ | |
413 | #define F_PW_STATUS_UP 0x10 /* pseudowire is operational */ | |
eac6e3f0 | 414 | #define F_PW_STATIC_NBR_ADDR 0x20 /* static neighbor address configured */ |
8429abe0 RW |
415 | |
416 | struct l2vpn { | |
90d7e7bd | 417 | RB_ENTRY(l2vpn) entry; |
8429abe0 RW |
418 | char name[L2VPN_NAME_LEN]; |
419 | int type; | |
420 | int pw_type; | |
421 | int mtu; | |
422 | char br_ifname[IF_NAMESIZE]; | |
423 | unsigned int br_ifindex; | |
029c1958 | 424 | struct l2vpn_if_head if_tree; |
20bacaeb RW |
425 | struct l2vpn_pw_head pw_tree; |
426 | struct l2vpn_pw_head pw_inactive_tree; | |
4af8997d | 427 | QOBJ_FIELDS |
8429abe0 | 428 | }; |
90d7e7bd RW |
429 | RB_HEAD(l2vpn_head, l2vpn); |
430 | RB_PROTOTYPE(l2vpn_head, l2vpn, entry, l2vpn_compare); | |
4af8997d | 431 | DECLARE_QOBJ_TYPE(l2vpn) |
8429abe0 RW |
432 | #define L2VPN_TYPE_VPWS 1 |
433 | #define L2VPN_TYPE_VPLS 2 | |
434 | ||
435 | /* ldp_conf */ | |
436 | enum ldpd_process { | |
437 | PROC_MAIN, | |
438 | PROC_LDP_ENGINE, | |
439 | PROC_LDE_ENGINE | |
440 | } ldpd_process; | |
441 | ||
442 | enum socket_type { | |
443 | LDP_SOCKET_DISC, | |
444 | LDP_SOCKET_EDISC, | |
445 | LDP_SOCKET_SESSION | |
446 | }; | |
447 | ||
448 | enum hello_type { | |
449 | HELLO_LINK, | |
450 | HELLO_TARGETED | |
451 | }; | |
452 | ||
453 | struct ldpd_af_conf { | |
454 | uint16_t keepalive; | |
eac6e3f0 RW |
455 | uint16_t lhello_holdtime; |
456 | uint16_t lhello_interval; | |
8429abe0 RW |
457 | uint16_t thello_holdtime; |
458 | uint16_t thello_interval; | |
459 | union ldpd_addr trans_addr; | |
45a8eba9 RW |
460 | char acl_thello_accept_from[ACL_NAMSIZ]; |
461 | char acl_label_allocate_for[ACL_NAMSIZ]; | |
462 | char acl_label_advertise_to[ACL_NAMSIZ]; | |
463 | char acl_label_advertise_for[ACL_NAMSIZ]; | |
464 | char acl_label_expnull_for[ACL_NAMSIZ]; | |
465 | char acl_label_accept_from[ACL_NAMSIZ]; | |
466 | char acl_label_accept_for[ACL_NAMSIZ]; | |
8429abe0 RW |
467 | int flags; |
468 | }; | |
469 | #define F_LDPD_AF_ENABLED 0x0001 | |
470 | #define F_LDPD_AF_THELLO_ACCEPT 0x0002 | |
471 | #define F_LDPD_AF_EXPNULL 0x0004 | |
472 | #define F_LDPD_AF_NO_GTSM 0x0008 | |
45a8eba9 | 473 | #define F_LDPD_AF_ALLOCHOSTONLY 0x0010 |
8429abe0 RW |
474 | |
475 | struct ldpd_conf { | |
476 | struct in_addr rtr_id; | |
477 | struct ldpd_af_conf ipv4; | |
478 | struct ldpd_af_conf ipv6; | |
7d3d7491 | 479 | struct iface_head iface_tree; |
7989cdba | 480 | struct tnbr_head tnbr_tree; |
76c4abd1 | 481 | struct nbrp_head nbrp_tree; |
90d7e7bd | 482 | struct l2vpn_head l2vpn_tree; |
eac6e3f0 RW |
483 | uint16_t lhello_holdtime; |
484 | uint16_t lhello_interval; | |
485 | uint16_t thello_holdtime; | |
486 | uint16_t thello_interval; | |
8429abe0 RW |
487 | uint16_t trans_pref; |
488 | int flags; | |
4af8997d | 489 | QOBJ_FIELDS |
8429abe0 | 490 | }; |
4af8997d | 491 | DECLARE_QOBJ_TYPE(ldpd_conf) |
8429abe0 RW |
492 | #define F_LDPD_NO_FIB_UPDATE 0x0001 |
493 | #define F_LDPD_DS_CISCO_INTEROP 0x0002 | |
eac6e3f0 | 494 | #define F_LDPD_ENABLED 0x0004 |
8429abe0 RW |
495 | |
496 | struct ldpd_af_global { | |
eac6e3f0 RW |
497 | struct thread *disc_ev; |
498 | struct thread *edisc_ev; | |
8429abe0 RW |
499 | int ldp_disc_socket; |
500 | int ldp_edisc_socket; | |
501 | int ldp_session_socket; | |
502 | }; | |
503 | ||
504 | struct ldpd_global { | |
505 | int cmd_opts; | |
dbce3582 | 506 | int sighup; |
8429abe0 | 507 | time_t uptime; |
eac6e3f0 | 508 | struct in_addr rtr_id; |
8429abe0 RW |
509 | struct ldpd_af_global ipv4; |
510 | struct ldpd_af_global ipv6; | |
511 | uint32_t conf_seqnum; | |
512 | int pfkeysock; | |
513 | struct if_addr_head addr_list; | |
057d48bd | 514 | struct global_adj_head adj_tree; |
8429abe0 RW |
515 | struct in_addr mcast_addr_v4; |
516 | struct in6_addr mcast_addr_v6; | |
517 | TAILQ_HEAD(, pending_conn) pending_conns; | |
518 | }; | |
519 | ||
520 | /* kroute */ | |
521 | struct kroute { | |
522 | int af; | |
523 | union ldpd_addr prefix; | |
524 | uint8_t prefixlen; | |
525 | union ldpd_addr nexthop; | |
526 | uint32_t local_label; | |
527 | uint32_t remote_label; | |
528 | unsigned short ifindex; | |
529 | uint8_t priority; | |
530 | uint16_t flags; | |
531 | }; | |
532 | ||
533 | struct kpw { | |
534 | unsigned short ifindex; | |
535 | int pw_type; | |
536 | int af; | |
537 | union ldpd_addr nexthop; | |
538 | uint32_t local_label; | |
539 | uint32_t remote_label; | |
540 | uint8_t flags; | |
541 | }; | |
542 | ||
543 | struct kaddr { | |
544 | unsigned short ifindex; | |
545 | int af; | |
546 | union ldpd_addr addr; | |
547 | uint8_t prefixlen; | |
548 | union ldpd_addr dstbrd; | |
549 | }; | |
550 | ||
551 | struct kif { | |
552 | char ifname[IF_NAMESIZE]; | |
553 | unsigned short ifindex; | |
554 | int flags; | |
26519d8c | 555 | uint8_t mac[ETHER_ADDR_LEN]; |
8429abe0 | 556 | int mtu; |
8429abe0 RW |
557 | }; |
558 | ||
45a8eba9 RW |
559 | struct acl_check { |
560 | char acl[ACL_NAMSIZ]; | |
561 | int af; | |
562 | union ldpd_addr addr; | |
563 | uint8_t prefixlen; | |
564 | }; | |
565 | ||
8429abe0 RW |
566 | /* control data structures */ |
567 | struct ctl_iface { | |
568 | int af; | |
569 | char name[IF_NAMESIZE]; | |
570 | unsigned int ifindex; | |
571 | int state; | |
572 | uint16_t flags; | |
8429abe0 | 573 | enum iface_type type; |
8429abe0 RW |
574 | uint16_t hello_holdtime; |
575 | uint16_t hello_interval; | |
576 | time_t uptime; | |
577 | uint16_t adj_cnt; | |
578 | }; | |
579 | ||
eac6e3f0 RW |
580 | struct ctl_disc_if { |
581 | char name[IF_NAMESIZE]; | |
582 | int active_v4; | |
583 | int active_v6; | |
584 | int no_adj; | |
585 | }; | |
586 | ||
587 | struct ctl_disc_tnbr { | |
588 | int af; | |
589 | union ldpd_addr addr; | |
590 | int no_adj; | |
591 | }; | |
592 | ||
8429abe0 RW |
593 | struct ctl_adj { |
594 | int af; | |
595 | struct in_addr id; | |
596 | enum hello_type type; | |
597 | char ifname[IF_NAMESIZE]; | |
598 | union ldpd_addr src_addr; | |
599 | uint16_t holdtime; | |
0f7b5df9 | 600 | uint16_t holdtime_remaining; |
8429abe0 | 601 | union ldpd_addr trans_addr; |
0f7b5df9 | 602 | int ds_tlv; |
8429abe0 RW |
603 | }; |
604 | ||
605 | struct ctl_nbr { | |
606 | int af; | |
607 | struct in_addr id; | |
608 | union ldpd_addr laddr; | |
eac6e3f0 | 609 | in_port_t lport; |
8429abe0 | 610 | union ldpd_addr raddr; |
eac6e3f0 | 611 | in_port_t rport; |
0f7b5df9 | 612 | enum auth_method auth_method; |
eac6e3f0 | 613 | uint16_t holdtime; |
8429abe0 RW |
614 | time_t uptime; |
615 | int nbr_state; | |
0f7b5df9 | 616 | struct ldp_stats stats; |
99cfc17f | 617 | int flags; |
8429abe0 RW |
618 | }; |
619 | ||
620 | struct ctl_rt { | |
621 | int af; | |
622 | union ldpd_addr prefix; | |
623 | uint8_t prefixlen; | |
624 | struct in_addr nexthop; /* lsr-id */ | |
625 | uint32_t local_label; | |
626 | uint32_t remote_label; | |
627 | uint8_t flags; | |
628 | uint8_t in_use; | |
0f7b5df9 | 629 | int no_downstream; |
8429abe0 RW |
630 | }; |
631 | ||
632 | struct ctl_pw { | |
633 | uint16_t type; | |
eac6e3f0 | 634 | char l2vpn_name[L2VPN_NAME_LEN]; |
8429abe0 RW |
635 | char ifname[IF_NAMESIZE]; |
636 | uint32_t pwid; | |
637 | struct in_addr lsr_id; | |
638 | uint32_t local_label; | |
639 | uint32_t local_gid; | |
640 | uint16_t local_ifmtu; | |
eac6e3f0 | 641 | uint8_t local_cword; |
8429abe0 RW |
642 | uint32_t remote_label; |
643 | uint32_t remote_gid; | |
644 | uint16_t remote_ifmtu; | |
eac6e3f0 | 645 | uint8_t remote_cword; |
8429abe0 RW |
646 | uint32_t status; |
647 | }; | |
648 | ||
56b8a8d2 | 649 | extern struct ldpd_conf *ldpd_conf, *vty_conf; |
8429abe0 RW |
650 | extern struct ldpd_global global; |
651 | ||
652 | /* parse.y */ | |
653 | struct ldpd_conf *parse_config(char *); | |
654 | int cmdline_symset(char *); | |
655 | ||
656 | /* kroute.c */ | |
8429abe0 RW |
657 | void kif_redistribute(const char *); |
658 | int kr_change(struct kroute *); | |
659 | int kr_delete(struct kroute *); | |
8429abe0 RW |
660 | int kmpw_set(struct kpw *); |
661 | int kmpw_unset(struct kpw *); | |
662 | ||
663 | /* util.c */ | |
664 | uint8_t mask2prefixlen(in_addr_t); | |
665 | uint8_t mask2prefixlen6(struct sockaddr_in6 *); | |
666 | in_addr_t prefixlen2mask(uint8_t); | |
667 | struct in6_addr *prefixlen2mask6(uint8_t); | |
668 | void ldp_applymask(int, union ldpd_addr *, | |
669 | const union ldpd_addr *, int); | |
670 | int ldp_addrcmp(int, const union ldpd_addr *, | |
671 | const union ldpd_addr *); | |
672 | int ldp_addrisset(int, const union ldpd_addr *); | |
673 | int ldp_prefixcmp(int, const union ldpd_addr *, | |
674 | const union ldpd_addr *, uint8_t); | |
675 | int bad_addr_v4(struct in_addr); | |
676 | int bad_addr_v6(struct in6_addr *); | |
677 | int bad_addr(int, union ldpd_addr *); | |
678 | void embedscope(struct sockaddr_in6 *); | |
679 | void recoverscope(struct sockaddr_in6 *); | |
680 | void addscope(struct sockaddr_in6 *, uint32_t); | |
681 | void clearscope(struct in6_addr *); | |
682 | struct sockaddr *addr2sa(int af, union ldpd_addr *, uint16_t); | |
eac6e3f0 RW |
683 | void sa2addr(struct sockaddr *, int *, union ldpd_addr *, |
684 | in_port_t *); | |
685 | socklen_t sockaddr_len(struct sockaddr *); | |
8429abe0 RW |
686 | |
687 | /* ldpd.c */ | |
eac6e3f0 | 688 | int ldp_write_handler(struct thread *); |
8429abe0 RW |
689 | void main_imsg_compose_ldpe(int, pid_t, void *, uint16_t); |
690 | void main_imsg_compose_lde(int, pid_t, void *, uint16_t); | |
eac6e3f0 RW |
691 | int main_imsg_compose_both(enum imsg_type, void *, |
692 | uint16_t); | |
8429abe0 | 693 | void imsg_event_add(struct imsgev *); |
eac6e3f0 RW |
694 | int imsg_compose_event(struct imsgev *, uint16_t, uint32_t, |
695 | pid_t, int, void *, uint16_t); | |
8429abe0 RW |
696 | void evbuf_enqueue(struct evbuf *, struct ibuf *); |
697 | void evbuf_event_add(struct evbuf *); | |
eac6e3f0 RW |
698 | void evbuf_init(struct evbuf *, int, |
699 | int (*)(struct thread *), void *); | |
8429abe0 | 700 | void evbuf_clear(struct evbuf *); |
45a8eba9 RW |
701 | int ldp_acl_request(struct imsgev *, char *, int, |
702 | union ldpd_addr *, uint8_t); | |
703 | void ldp_acl_reply(struct imsgev *, struct acl_check *); | |
8429abe0 RW |
704 | struct ldpd_af_conf *ldp_af_conf_get(struct ldpd_conf *, int); |
705 | struct ldpd_af_global *ldp_af_global_get(struct ldpd_global *, int); | |
706 | int ldp_is_dual_stack(struct ldpd_conf *); | |
eac6e3f0 RW |
707 | in_addr_t ldp_rtr_id_get(struct ldpd_conf *); |
708 | int ldp_reload(struct ldpd_conf *); | |
eac6e3f0 | 709 | void ldp_clear_config(struct ldpd_conf *); |
8429abe0 RW |
710 | void merge_config(struct ldpd_conf *, struct ldpd_conf *); |
711 | struct ldpd_conf *config_new_empty(void); | |
712 | void config_clear(struct ldpd_conf *); | |
713 | ||
bbee85d2 RW |
714 | /* ldp_vty_conf.c */ |
715 | /* NOTE: the parameters' names should be preserved because of codegen */ | |
7d3d7491 | 716 | struct iface *iface_new_api(struct ldpd_conf *conf, |
bbee85d2 | 717 | const char *name); |
7d3d7491 RW |
718 | void iface_del_api(struct ldpd_conf *conf, |
719 | struct iface *iface); | |
7989cdba | 720 | struct tnbr *tnbr_new_api(struct ldpd_conf *conf, int af, |
bbee85d2 | 721 | union ldpd_addr *addr); |
7989cdba | 722 | void tnbr_del_api(struct ldpd_conf *conf, struct tnbr *tnbr); |
76c4abd1 | 723 | struct nbr_params *nbrp_new_api(struct ldpd_conf *conf, |
bbee85d2 | 724 | struct in_addr lsr_id); |
76c4abd1 RW |
725 | void nbrp_del_api(struct ldpd_conf *conf, |
726 | struct nbr_params *nbrp); | |
90d7e7bd RW |
727 | struct l2vpn *l2vpn_new_api(struct ldpd_conf *conf, const char *name); |
728 | void l2vpn_del_api(struct ldpd_conf *conf, | |
729 | struct l2vpn *l2vpn); | |
bbee85d2 RW |
730 | struct l2vpn_if *l2vpn_if_new_api(struct ldpd_conf *conf, |
731 | struct l2vpn *l2vpn, const char *ifname); | |
029c1958 RW |
732 | void l2vpn_if_del_api(struct l2vpn *l2vpn, |
733 | struct l2vpn_if *lif); | |
bbee85d2 RW |
734 | struct l2vpn_pw *l2vpn_pw_new_api(struct ldpd_conf *conf, |
735 | struct l2vpn *l2vpn, const char *ifname); | |
20bacaeb RW |
736 | void l2vpn_pw_del_api(struct l2vpn *l2vpn, |
737 | struct l2vpn_pw *pw); | |
bbee85d2 | 738 | |
8429abe0 RW |
739 | /* socket.c */ |
740 | int ldp_create_socket(int, enum socket_type); | |
eac6e3f0 RW |
741 | void sock_set_nonblock(int); |
742 | void sock_set_cloexec(int); | |
8429abe0 RW |
743 | void sock_set_recvbuf(int); |
744 | int sock_set_reuse(int, int); | |
745 | int sock_set_bindany(int, int); | |
eac6e3f0 | 746 | int sock_set_md5sig(int, int, union ldpd_addr *, const char *); |
8429abe0 | 747 | int sock_set_ipv4_tos(int, int); |
eac6e3f0 RW |
748 | int sock_set_ipv4_pktinfo(int, int); |
749 | int sock_set_ipv4_recvdstaddr(int, int); | |
8429abe0 RW |
750 | int sock_set_ipv4_recvif(int, int); |
751 | int sock_set_ipv4_minttl(int, int); | |
752 | int sock_set_ipv4_ucast_ttl(int fd, int); | |
753 | int sock_set_ipv4_mcast_ttl(int, uint8_t); | |
754 | int sock_set_ipv4_mcast(struct iface *); | |
755 | int sock_set_ipv4_mcast_loop(int); | |
756 | int sock_set_ipv6_dscp(int, int); | |
757 | int sock_set_ipv6_pktinfo(int, int); | |
758 | int sock_set_ipv6_minhopcount(int, int); | |
759 | int sock_set_ipv6_ucast_hops(int, int); | |
760 | int sock_set_ipv6_mcast_hops(int, int); | |
761 | int sock_set_ipv6_mcast(struct iface *); | |
762 | int sock_set_ipv6_mcast_loop(int); | |
763 | ||
eac6e3f0 RW |
764 | /* quagga */ |
765 | extern struct thread_master *master; | |
372b8bd3 | 766 | extern char ctl_sock_path[MAXPATHLEN]; |
eac6e3f0 RW |
767 | |
768 | /* ldp_zebra.c */ | |
64dffe25 RW |
769 | void ldp_zebra_init(struct thread_master *); |
770 | void ldp_zebra_destroy(void); | |
eac6e3f0 RW |
771 | |
772 | /* compatibility */ | |
773 | #ifndef __OpenBSD__ | |
774 | #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) | |
775 | #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 | |
776 | #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ | |
777 | (IN6_IS_ADDR_MULTICAST(a) && \ | |
778 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_INTFACELOCAL)) | |
779 | #endif | |
8429abe0 RW |
780 | |
781 | #endif /* _LDPD_H_ */ |