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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, | |
077d336a RW |
160 | IMSG_LDP_SYNC_IF_STATE_UPDATE, |
161 | IMSG_RLFA_REG, | |
162 | IMSG_RLFA_UNREG_ALL, | |
163 | IMSG_RLFA_LABELS, | |
f9a4d683 | 164 | IMSG_AGENTX_ENABLED, |
274f5abf RW |
165 | }; |
166 | ||
167 | struct ldpd_init { | |
168 | char user[256]; | |
169 | char group[256]; | |
170 | char ctl_sock_path[MAXPATHLEN]; | |
171 | char zclient_serv_path[MAXPATHLEN]; | |
d7c0a89a | 172 | unsigned short instance; |
8429abe0 RW |
173 | }; |
174 | ||
2d1aa1e8 | 175 | struct ldp_access { |
176 | char name[ACL_NAMSIZ]; | |
177 | enum access_type type; | |
178 | }; | |
179 | ||
8429abe0 RW |
180 | union ldpd_addr { |
181 | struct in_addr v4; | |
182 | struct in6_addr v6; | |
183 | }; | |
184 | ||
185 | #define IN6_IS_SCOPE_EMBED(a) \ | |
186 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ | |
187 | (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \ | |
188 | (IN6_IS_ADDR_MC_INTFACELOCAL(a))) | |
189 | ||
190 | /* interface states */ | |
191 | #define IF_STA_DOWN 0x01 | |
192 | #define IF_STA_ACTIVE 0x02 | |
193 | ||
194 | /* targeted neighbor states */ | |
195 | #define TNBR_STA_DOWN 0x01 | |
196 | #define TNBR_STA_ACTIVE 0x02 | |
197 | ||
198 | /* interface types */ | |
199 | enum iface_type { | |
200 | IF_TYPE_POINTOPOINT, | |
201 | IF_TYPE_BROADCAST | |
202 | }; | |
203 | ||
204 | /* neighbor states */ | |
205 | #define NBR_STA_PRESENT 0x0001 | |
206 | #define NBR_STA_INITIAL 0x0002 | |
207 | #define NBR_STA_OPENREC 0x0004 | |
208 | #define NBR_STA_OPENSENT 0x0008 | |
209 | #define NBR_STA_OPER 0x0010 | |
210 | #define NBR_STA_SESSION (NBR_STA_INITIAL | NBR_STA_OPENREC | \ | |
211 | NBR_STA_OPENSENT | NBR_STA_OPER) | |
212 | ||
213 | /* neighbor events */ | |
214 | enum nbr_event { | |
215 | NBR_EVT_NOTHING, | |
216 | NBR_EVT_MATCH_ADJ, | |
217 | NBR_EVT_CONNECT_UP, | |
218 | NBR_EVT_CLOSE_SESSION, | |
219 | NBR_EVT_INIT_RCVD, | |
220 | NBR_EVT_KEEPALIVE_RCVD, | |
221 | NBR_EVT_PDU_RCVD, | |
222 | NBR_EVT_PDU_SENT, | |
223 | NBR_EVT_INIT_SENT | |
224 | }; | |
225 | ||
226 | /* neighbor actions */ | |
227 | enum nbr_action { | |
228 | NBR_ACT_NOTHING, | |
229 | NBR_ACT_RST_KTIMEOUT, | |
230 | NBR_ACT_SESSION_EST, | |
231 | NBR_ACT_RST_KTIMER, | |
232 | NBR_ACT_CONNECT_SETUP, | |
233 | NBR_ACT_PASSIVE_INIT, | |
234 | NBR_ACT_KEEPALIVE_SEND, | |
235 | NBR_ACT_CLOSE_SESSION | |
236 | }; | |
237 | ||
e1894ff7 KS |
238 | /* LDP IGP Sync states */ |
239 | #define LDP_SYNC_STA_UNKNOWN 0x0000 | |
240 | #define LDP_SYNC_STA_NOT_ACH 0x0001 | |
241 | #define LDP_SYNC_STA_ACH 0x0002 | |
242 | ||
243 | /* LDP IGP Sync events */ | |
244 | enum ldp_sync_event { | |
245 | LDP_SYNC_EVT_NOTHING, | |
246 | LDP_SYNC_EVT_LDP_SYNC_START, | |
247 | LDP_SYNC_EVT_LDP_SYNC_COMPLETE, | |
248 | LDP_SYNC_EVT_CONFIG_LDP_OFF, | |
249 | LDP_SYNC_EVT_ADJ_DEL, | |
250 | LDP_SYNC_EVT_ADJ_NEW, | |
251 | LDP_SYNC_EVT_SESSION_CLOSE, | |
252 | LDP_SYNC_EVT_CONFIG_LDP_ON, | |
253 | LDP_SYNC_EVT_IFACE_SHUTDOWN | |
254 | }; | |
255 | ||
256 | /* LDP IGP Sync actions */ | |
257 | enum ldp_sync_action { | |
258 | LDP_SYNC_ACT_NOTHING, | |
259 | LDP_SYNC_ACT_IFACE_START_SYNC, | |
260 | LDP_SYNC_ACT_LDP_START_SYNC, | |
261 | LDP_SYNC_ACT_LDP_COMPLETE_SYNC, | |
262 | LDP_SYNC_ACT_CONFIG_LDP_OFF, | |
263 | LDP_SYNC_ACT_IFACE_SHUTDOWN | |
264 | }; | |
265 | ||
057d48bd RW |
266 | /* forward declarations */ |
267 | RB_HEAD(global_adj_head, adj); | |
268 | RB_HEAD(nbr_adj_head, adj); | |
269 | RB_HEAD(ia_adj_head, adj); | |
8429abe0 RW |
270 | |
271 | struct map { | |
272 | uint8_t type; | |
273 | uint32_t msg_id; | |
274 | union { | |
275 | struct { | |
276 | uint16_t af; | |
277 | union ldpd_addr prefix; | |
278 | uint8_t prefixlen; | |
279 | } prefix; | |
280 | struct { | |
281 | uint16_t type; | |
282 | uint32_t pwid; | |
283 | uint32_t group_id; | |
284 | uint16_t ifmtu; | |
285 | } pwid; | |
d4afb819 RW |
286 | struct { |
287 | uint8_t type; | |
288 | union { | |
289 | uint16_t prefix_af; | |
aba50a83 | 290 | uint16_t pw_type; |
d4afb819 RW |
291 | } u; |
292 | } twcard; | |
8429abe0 RW |
293 | } fec; |
294 | struct { | |
295 | uint32_t status_code; | |
296 | uint32_t msg_id; | |
297 | uint16_t msg_type; | |
298 | } st; | |
299 | uint32_t label; | |
300 | uint32_t requestid; | |
301 | uint32_t pw_status; | |
302 | uint8_t flags; | |
303 | }; | |
304 | #define F_MAP_REQ_ID 0x01 /* optional request message id present */ | |
305 | #define F_MAP_STATUS 0x02 /* status */ | |
306 | #define F_MAP_PW_CWORD 0x04 /* pseudowire control word */ | |
307 | #define F_MAP_PW_ID 0x08 /* pseudowire connection id */ | |
308 | #define F_MAP_PW_IFMTU 0x10 /* pseudowire interface parameter */ | |
309 | #define F_MAP_PW_STATUS 0x20 /* pseudowire status */ | |
310 | ||
311 | struct notify_msg { | |
312 | uint32_t status_code; | |
313 | uint32_t msg_id; /* network byte order */ | |
314 | uint16_t msg_type; /* network byte order */ | |
315 | uint32_t pw_status; | |
316 | struct map fec; | |
8819fc38 RW |
317 | struct { |
318 | uint16_t type; | |
319 | uint16_t length; | |
320 | char *data; | |
321 | } rtlvs; | |
8429abe0 RW |
322 | uint8_t flags; |
323 | }; | |
324 | #define F_NOTIF_PW_STATUS 0x01 /* pseudowire status tlv present */ | |
325 | #define F_NOTIF_FEC 0x02 /* fec tlv present */ | |
8819fc38 | 326 | #define F_NOTIF_RETURNED_TLVS 0x04 /* returned tlvs present */ |
8429abe0 RW |
327 | |
328 | struct if_addr { | |
329 | LIST_ENTRY(if_addr) entry; | |
330 | int af; | |
331 | union ldpd_addr addr; | |
332 | uint8_t prefixlen; | |
333 | union ldpd_addr dstbrd; | |
334 | }; | |
335 | LIST_HEAD(if_addr_head, if_addr); | |
336 | ||
337 | struct iface_af { | |
338 | struct iface *iface; | |
339 | int af; | |
340 | int enabled; | |
341 | int state; | |
057d48bd | 342 | struct ia_adj_head adj_tree; |
8429abe0 | 343 | time_t uptime; |
eac6e3f0 | 344 | struct thread *hello_timer; |
8429abe0 RW |
345 | uint16_t hello_holdtime; |
346 | uint16_t hello_interval; | |
347 | }; | |
348 | ||
e1894ff7 KS |
349 | struct iface_ldp_sync { |
350 | int state; | |
351 | struct thread *wait_for_sync_timer; | |
352 | }; | |
353 | ||
8429abe0 | 354 | struct iface { |
7d3d7491 | 355 | RB_ENTRY(iface) entry; |
8429abe0 | 356 | char name[IF_NAMESIZE]; |
6cd8093d | 357 | ifindex_t ifindex; |
8429abe0 RW |
358 | struct if_addr_head addr_list; |
359 | struct in6_addr linklocal; | |
360 | enum iface_type type; | |
988ded8d | 361 | int operative; |
8429abe0 RW |
362 | struct iface_af ipv4; |
363 | struct iface_af ipv6; | |
e1894ff7 | 364 | struct iface_ldp_sync ldp_sync; |
4af8997d | 365 | QOBJ_FIELDS |
8429abe0 | 366 | }; |
7d3d7491 RW |
367 | RB_HEAD(iface_head, iface); |
368 | RB_PROTOTYPE(iface_head, iface, entry, iface_compare); | |
4af8997d | 369 | DECLARE_QOBJ_TYPE(iface) |
8429abe0 RW |
370 | |
371 | /* source of targeted hellos */ | |
372 | struct tnbr { | |
7989cdba | 373 | RB_ENTRY(tnbr) entry; |
eac6e3f0 | 374 | struct thread *hello_timer; |
8429abe0 RW |
375 | struct adj *adj; |
376 | int af; | |
377 | union ldpd_addr addr; | |
378 | int state; | |
8429abe0 | 379 | uint16_t pw_count; |
077d336a | 380 | uint32_t rlfa_count; |
8429abe0 | 381 | uint8_t flags; |
4af8997d | 382 | QOBJ_FIELDS |
8429abe0 | 383 | }; |
7989cdba RW |
384 | RB_HEAD(tnbr_head, tnbr); |
385 | RB_PROTOTYPE(tnbr_head, tnbr, entry, tnbr_compare); | |
4af8997d | 386 | DECLARE_QOBJ_TYPE(tnbr) |
8429abe0 RW |
387 | #define F_TNBR_CONFIGURED 0x01 |
388 | #define F_TNBR_DYNAMIC 0x02 | |
389 | ||
390 | enum auth_method { | |
391 | AUTH_NONE, | |
392 | AUTH_MD5SIG | |
393 | }; | |
394 | ||
395 | /* neighbor specific parameters */ | |
396 | struct nbr_params { | |
76c4abd1 | 397 | RB_ENTRY(nbr_params) entry; |
8429abe0 RW |
398 | struct in_addr lsr_id; |
399 | uint16_t keepalive; | |
400 | int gtsm_enabled; | |
401 | uint8_t gtsm_hops; | |
402 | struct { | |
403 | enum auth_method method; | |
404 | char md5key[TCP_MD5_KEY_LEN]; | |
405 | uint8_t md5key_len; | |
406 | } auth; | |
407 | uint8_t flags; | |
4af8997d | 408 | QOBJ_FIELDS |
8429abe0 | 409 | }; |
76c4abd1 RW |
410 | RB_HEAD(nbrp_head, nbr_params); |
411 | RB_PROTOTYPE(nbrp_head, nbr_params, entry, nbr_params_compare); | |
4af8997d | 412 | DECLARE_QOBJ_TYPE(nbr_params) |
8429abe0 RW |
413 | #define F_NBRP_KEEPALIVE 0x01 |
414 | #define F_NBRP_GTSM 0x02 | |
415 | #define F_NBRP_GTSM_HOPS 0x04 | |
416 | ||
0f7b5df9 RW |
417 | struct ldp_stats { |
418 | uint32_t kalive_sent; | |
419 | uint32_t kalive_rcvd; | |
420 | uint32_t addr_sent; | |
421 | uint32_t addr_rcvd; | |
422 | uint32_t addrwdraw_sent; | |
423 | uint32_t addrwdraw_rcvd; | |
424 | uint32_t notif_sent; | |
425 | uint32_t notif_rcvd; | |
426 | uint32_t capability_sent; | |
427 | uint32_t capability_rcvd; | |
428 | uint32_t labelmap_sent; | |
429 | uint32_t labelmap_rcvd; | |
430 | uint32_t labelreq_sent; | |
431 | uint32_t labelreq_rcvd; | |
432 | uint32_t labelwdraw_sent; | |
433 | uint32_t labelwdraw_rcvd; | |
434 | uint32_t labelrel_sent; | |
435 | uint32_t labelrel_rcvd; | |
436 | uint32_t labelabreq_sent; | |
437 | uint32_t labelabreq_rcvd; | |
f9a4d683 | 438 | |
0f7b5df9 RW |
439 | }; |
440 | ||
8429abe0 | 441 | struct l2vpn_if { |
029c1958 | 442 | RB_ENTRY(l2vpn_if) entry; |
8429abe0 RW |
443 | struct l2vpn *l2vpn; |
444 | char ifname[IF_NAMESIZE]; | |
6cd8093d | 445 | ifindex_t ifindex; |
988ded8d | 446 | int operative; |
9bff8057 | 447 | uint8_t mac[ETH_ALEN]; |
4af8997d | 448 | QOBJ_FIELDS |
8429abe0 | 449 | }; |
029c1958 RW |
450 | RB_HEAD(l2vpn_if_head, l2vpn_if); |
451 | RB_PROTOTYPE(l2vpn_if_head, l2vpn_if, entry, l2vpn_if_compare); | |
4af8997d | 452 | DECLARE_QOBJ_TYPE(l2vpn_if) |
8429abe0 RW |
453 | |
454 | struct l2vpn_pw { | |
20bacaeb | 455 | RB_ENTRY(l2vpn_pw) entry; |
8429abe0 RW |
456 | struct l2vpn *l2vpn; |
457 | struct in_addr lsr_id; | |
458 | int af; | |
459 | union ldpd_addr addr; | |
460 | uint32_t pwid; | |
461 | char ifname[IF_NAMESIZE]; | |
6cd8093d | 462 | ifindex_t ifindex; |
3c5b5220 | 463 | bool enabled; |
8429abe0 RW |
464 | uint32_t remote_group; |
465 | uint16_t remote_mtu; | |
87b5f1b7 | 466 | uint32_t local_status; |
8429abe0 RW |
467 | uint32_t remote_status; |
468 | uint8_t flags; | |
6bbdd9e9 | 469 | uint8_t reason; |
4af8997d | 470 | QOBJ_FIELDS |
8429abe0 | 471 | }; |
20bacaeb RW |
472 | RB_HEAD(l2vpn_pw_head, l2vpn_pw); |
473 | RB_PROTOTYPE(l2vpn_pw_head, l2vpn_pw, entry, l2vpn_pw_compare); | |
4af8997d | 474 | DECLARE_QOBJ_TYPE(l2vpn_pw) |
8429abe0 RW |
475 | #define F_PW_STATUSTLV_CONF 0x01 /* status tlv configured */ |
476 | #define F_PW_STATUSTLV 0x02 /* status tlv negotiated */ | |
477 | #define F_PW_CWORD_CONF 0x04 /* control word configured */ | |
478 | #define F_PW_CWORD 0x08 /* control word negotiated */ | |
87b5f1b7 | 479 | #define F_PW_STATIC_NBR_ADDR 0x10 /* static neighbor address configured */ |
8429abe0 | 480 | |
6bbdd9e9 | 481 | #define F_PW_NO_ERR 0x00 /* no error reported */ |
482 | #define F_PW_LOCAL_NOT_FWD 0x01 /* locally can't forward over PW */ | |
483 | #define F_PW_REMOTE_NOT_FWD 0x02 /* remote end of PW reported fwd error*/ | |
484 | #define F_PW_NO_REMOTE_LABEL 0x03 /* have not recvd label from peer */ | |
485 | #define F_PW_MTU_MISMATCH 0x04 /* mtu mismatch between peers */ | |
486 | ||
8429abe0 | 487 | struct l2vpn { |
90d7e7bd | 488 | RB_ENTRY(l2vpn) entry; |
8429abe0 RW |
489 | char name[L2VPN_NAME_LEN]; |
490 | int type; | |
491 | int pw_type; | |
492 | int mtu; | |
493 | char br_ifname[IF_NAMESIZE]; | |
6cd8093d | 494 | ifindex_t br_ifindex; |
029c1958 | 495 | struct l2vpn_if_head if_tree; |
20bacaeb RW |
496 | struct l2vpn_pw_head pw_tree; |
497 | struct l2vpn_pw_head pw_inactive_tree; | |
4af8997d | 498 | QOBJ_FIELDS |
8429abe0 | 499 | }; |
90d7e7bd RW |
500 | RB_HEAD(l2vpn_head, l2vpn); |
501 | RB_PROTOTYPE(l2vpn_head, l2vpn, entry, l2vpn_compare); | |
4af8997d | 502 | DECLARE_QOBJ_TYPE(l2vpn) |
8429abe0 RW |
503 | #define L2VPN_TYPE_VPWS 1 |
504 | #define L2VPN_TYPE_VPLS 2 | |
505 | ||
506 | /* ldp_conf */ | |
54ca644b | 507 | extern enum ldpd_process { |
8429abe0 RW |
508 | PROC_MAIN, |
509 | PROC_LDP_ENGINE, | |
510 | PROC_LDE_ENGINE | |
511 | } ldpd_process; | |
512 | ||
fa68f9da RW |
513 | static const char * const log_procnames[] = { |
514 | "parent", | |
515 | "ldpe", | |
516 | "lde" | |
517 | }; | |
518 | ||
8429abe0 RW |
519 | enum socket_type { |
520 | LDP_SOCKET_DISC, | |
521 | LDP_SOCKET_EDISC, | |
522 | LDP_SOCKET_SESSION | |
523 | }; | |
524 | ||
525 | enum hello_type { | |
526 | HELLO_LINK, | |
527 | HELLO_TARGETED | |
528 | }; | |
529 | ||
530 | struct ldpd_af_conf { | |
531 | uint16_t keepalive; | |
eac6e3f0 RW |
532 | uint16_t lhello_holdtime; |
533 | uint16_t lhello_interval; | |
8429abe0 RW |
534 | uint16_t thello_holdtime; |
535 | uint16_t thello_interval; | |
536 | union ldpd_addr trans_addr; | |
45a8eba9 RW |
537 | char acl_thello_accept_from[ACL_NAMSIZ]; |
538 | char acl_label_allocate_for[ACL_NAMSIZ]; | |
539 | char acl_label_advertise_to[ACL_NAMSIZ]; | |
540 | char acl_label_advertise_for[ACL_NAMSIZ]; | |
541 | char acl_label_expnull_for[ACL_NAMSIZ]; | |
542 | char acl_label_accept_from[ACL_NAMSIZ]; | |
543 | char acl_label_accept_for[ACL_NAMSIZ]; | |
8429abe0 RW |
544 | int flags; |
545 | }; | |
546 | #define F_LDPD_AF_ENABLED 0x0001 | |
547 | #define F_LDPD_AF_THELLO_ACCEPT 0x0002 | |
548 | #define F_LDPD_AF_EXPNULL 0x0004 | |
549 | #define F_LDPD_AF_NO_GTSM 0x0008 | |
45a8eba9 | 550 | #define F_LDPD_AF_ALLOCHOSTONLY 0x0010 |
8429abe0 RW |
551 | |
552 | struct ldpd_conf { | |
553 | struct in_addr rtr_id; | |
554 | struct ldpd_af_conf ipv4; | |
555 | struct ldpd_af_conf ipv6; | |
7d3d7491 | 556 | struct iface_head iface_tree; |
7989cdba | 557 | struct tnbr_head tnbr_tree; |
76c4abd1 | 558 | struct nbrp_head nbrp_tree; |
90d7e7bd | 559 | struct l2vpn_head l2vpn_tree; |
eac6e3f0 RW |
560 | uint16_t lhello_holdtime; |
561 | uint16_t lhello_interval; | |
562 | uint16_t thello_holdtime; | |
563 | uint16_t thello_interval; | |
8429abe0 | 564 | uint16_t trans_pref; |
e1894ff7 | 565 | uint16_t wait_for_sync_interval; |
8429abe0 | 566 | int flags; |
f9a4d683 | 567 | time_t config_change_time; |
4af8997d | 568 | QOBJ_FIELDS |
8429abe0 | 569 | }; |
4af8997d | 570 | DECLARE_QOBJ_TYPE(ldpd_conf) |
8429abe0 RW |
571 | #define F_LDPD_NO_FIB_UPDATE 0x0001 |
572 | #define F_LDPD_DS_CISCO_INTEROP 0x0002 | |
eac6e3f0 | 573 | #define F_LDPD_ENABLED 0x0004 |
aff1743c KS |
574 | #define F_LDPD_ORDERED_CONTROL 0x0008 |
575 | ||
8429abe0 RW |
576 | |
577 | struct ldpd_af_global { | |
eac6e3f0 RW |
578 | struct thread *disc_ev; |
579 | struct thread *edisc_ev; | |
8429abe0 RW |
580 | int ldp_disc_socket; |
581 | int ldp_edisc_socket; | |
582 | int ldp_session_socket; | |
583 | }; | |
584 | ||
585 | struct ldpd_global { | |
586 | int cmd_opts; | |
eac6e3f0 | 587 | struct in_addr rtr_id; |
8429abe0 RW |
588 | struct ldpd_af_global ipv4; |
589 | struct ldpd_af_global ipv6; | |
590 | uint32_t conf_seqnum; | |
591 | int pfkeysock; | |
592 | struct if_addr_head addr_list; | |
057d48bd | 593 | struct global_adj_head adj_tree; |
8429abe0 RW |
594 | struct in_addr mcast_addr_v4; |
595 | struct in6_addr mcast_addr_v6; | |
596 | TAILQ_HEAD(, pending_conn) pending_conns; | |
597 | }; | |
598 | ||
599 | /* kroute */ | |
600 | struct kroute { | |
601 | int af; | |
602 | union ldpd_addr prefix; | |
603 | uint8_t prefixlen; | |
604 | union ldpd_addr nexthop; | |
605 | uint32_t local_label; | |
606 | uint32_t remote_label; | |
6cd8093d | 607 | ifindex_t ifindex; |
e132dea0 RW |
608 | uint8_t route_type; |
609 | uint8_t route_instance; | |
8429abe0 RW |
610 | uint16_t flags; |
611 | }; | |
612 | ||
8429abe0 | 613 | struct kaddr { |
9cf67225 | 614 | char ifname[IF_NAMESIZE]; |
6cd8093d | 615 | ifindex_t ifindex; |
8429abe0 RW |
616 | int af; |
617 | union ldpd_addr addr; | |
618 | uint8_t prefixlen; | |
619 | union ldpd_addr dstbrd; | |
620 | }; | |
621 | ||
622 | struct kif { | |
623 | char ifname[IF_NAMESIZE]; | |
6cd8093d | 624 | ifindex_t ifindex; |
8429abe0 | 625 | int flags; |
988ded8d | 626 | int operative; |
9bff8057 | 627 | uint8_t mac[ETH_ALEN]; |
8429abe0 | 628 | int mtu; |
8429abe0 RW |
629 | }; |
630 | ||
45a8eba9 RW |
631 | struct acl_check { |
632 | char acl[ACL_NAMSIZ]; | |
633 | int af; | |
634 | union ldpd_addr addr; | |
635 | uint8_t prefixlen; | |
636 | }; | |
637 | ||
8429abe0 RW |
638 | /* control data structures */ |
639 | struct ctl_iface { | |
640 | int af; | |
641 | char name[IF_NAMESIZE]; | |
6cd8093d | 642 | ifindex_t ifindex; |
8429abe0 | 643 | int state; |
8429abe0 | 644 | enum iface_type type; |
8429abe0 RW |
645 | uint16_t hello_holdtime; |
646 | uint16_t hello_interval; | |
647 | time_t uptime; | |
648 | uint16_t adj_cnt; | |
649 | }; | |
650 | ||
eac6e3f0 RW |
651 | struct ctl_disc_if { |
652 | char name[IF_NAMESIZE]; | |
653 | int active_v4; | |
654 | int active_v6; | |
655 | int no_adj; | |
656 | }; | |
657 | ||
658 | struct ctl_disc_tnbr { | |
659 | int af; | |
660 | union ldpd_addr addr; | |
661 | int no_adj; | |
662 | }; | |
663 | ||
8429abe0 RW |
664 | struct ctl_adj { |
665 | int af; | |
666 | struct in_addr id; | |
667 | enum hello_type type; | |
668 | char ifname[IF_NAMESIZE]; | |
669 | union ldpd_addr src_addr; | |
670 | uint16_t holdtime; | |
0f7b5df9 | 671 | uint16_t holdtime_remaining; |
8429abe0 | 672 | union ldpd_addr trans_addr; |
0f7b5df9 | 673 | int ds_tlv; |
8429abe0 RW |
674 | }; |
675 | ||
676 | struct ctl_nbr { | |
677 | int af; | |
678 | struct in_addr id; | |
679 | union ldpd_addr laddr; | |
eac6e3f0 | 680 | in_port_t lport; |
8429abe0 | 681 | union ldpd_addr raddr; |
eac6e3f0 | 682 | in_port_t rport; |
0f7b5df9 | 683 | enum auth_method auth_method; |
eac6e3f0 | 684 | uint16_t holdtime; |
8429abe0 RW |
685 | time_t uptime; |
686 | int nbr_state; | |
0f7b5df9 | 687 | struct ldp_stats stats; |
99cfc17f | 688 | int flags; |
f9a4d683 KS |
689 | uint16_t max_pdu_len; |
690 | uint16_t hold_time_remaining; | |
8429abe0 RW |
691 | }; |
692 | ||
693 | struct ctl_rt { | |
694 | int af; | |
695 | union ldpd_addr prefix; | |
696 | uint8_t prefixlen; | |
697 | struct in_addr nexthop; /* lsr-id */ | |
698 | uint32_t local_label; | |
699 | uint32_t remote_label; | |
700 | uint8_t flags; | |
701 | uint8_t in_use; | |
0f7b5df9 | 702 | int no_downstream; |
8429abe0 RW |
703 | }; |
704 | ||
705 | struct ctl_pw { | |
706 | uint16_t type; | |
eac6e3f0 | 707 | char l2vpn_name[L2VPN_NAME_LEN]; |
8429abe0 RW |
708 | char ifname[IF_NAMESIZE]; |
709 | uint32_t pwid; | |
710 | struct in_addr lsr_id; | |
711 | uint32_t local_label; | |
712 | uint32_t local_gid; | |
713 | uint16_t local_ifmtu; | |
eac6e3f0 | 714 | uint8_t local_cword; |
8429abe0 RW |
715 | uint32_t remote_label; |
716 | uint32_t remote_gid; | |
717 | uint16_t remote_ifmtu; | |
eac6e3f0 | 718 | uint8_t remote_cword; |
8429abe0 | 719 | uint32_t status; |
6bbdd9e9 | 720 | uint8_t reason; |
8429abe0 RW |
721 | }; |
722 | ||
e1894ff7 KS |
723 | struct ctl_ldp_sync { |
724 | char name[IF_NAMESIZE]; | |
725 | ifindex_t ifindex; | |
726 | bool in_sync; | |
727 | bool timer_running; | |
728 | uint16_t wait_time; | |
729 | uint16_t wait_time_remaining; | |
730 | struct in_addr peer_ldp_id; | |
731 | }; | |
732 | ||
56b8a8d2 | 733 | extern struct ldpd_conf *ldpd_conf, *vty_conf; |
8429abe0 | 734 | extern struct ldpd_global global; |
274f5abf | 735 | extern struct ldpd_init init; |
8429abe0 RW |
736 | |
737 | /* parse.y */ | |
738 | struct ldpd_conf *parse_config(char *); | |
739 | int cmdline_symset(char *); | |
740 | ||
741 | /* kroute.c */ | |
87b5f1b7 | 742 | void pw2zpw(struct l2vpn_pw *, struct zapi_pw *); |
8429abe0 RW |
743 | void kif_redistribute(const char *); |
744 | int kr_change(struct kroute *); | |
745 | int kr_delete(struct kroute *); | |
87b5f1b7 RW |
746 | int kmpw_add(struct zapi_pw *); |
747 | int kmpw_del(struct zapi_pw *); | |
748 | int kmpw_set(struct zapi_pw *); | |
749 | int kmpw_unset(struct zapi_pw *); | |
8429abe0 RW |
750 | |
751 | /* util.c */ | |
752 | uint8_t mask2prefixlen(in_addr_t); | |
753 | uint8_t mask2prefixlen6(struct sockaddr_in6 *); | |
754 | in_addr_t prefixlen2mask(uint8_t); | |
755 | struct in6_addr *prefixlen2mask6(uint8_t); | |
756 | void ldp_applymask(int, union ldpd_addr *, | |
757 | const union ldpd_addr *, int); | |
758 | int ldp_addrcmp(int, const union ldpd_addr *, | |
759 | const union ldpd_addr *); | |
760 | int ldp_addrisset(int, const union ldpd_addr *); | |
761 | int ldp_prefixcmp(int, const union ldpd_addr *, | |
762 | const union ldpd_addr *, uint8_t); | |
763 | int bad_addr_v4(struct in_addr); | |
764 | int bad_addr_v6(struct in6_addr *); | |
765 | int bad_addr(int, union ldpd_addr *); | |
766 | void embedscope(struct sockaddr_in6 *); | |
767 | void recoverscope(struct sockaddr_in6 *); | |
768 | void addscope(struct sockaddr_in6 *, uint32_t); | |
769 | void clearscope(struct in6_addr *); | |
4149ef7c A |
770 | void addr2sa(int af, const union ldpd_addr *, uint16_t, |
771 | union sockunion *su); | |
eac6e3f0 RW |
772 | void sa2addr(struct sockaddr *, int *, union ldpd_addr *, |
773 | in_port_t *); | |
774 | socklen_t sockaddr_len(struct sockaddr *); | |
8429abe0 RW |
775 | |
776 | /* ldpd.c */ | |
eac6e3f0 | 777 | int ldp_write_handler(struct thread *); |
8429abe0 RW |
778 | void main_imsg_compose_ldpe(int, pid_t, void *, uint16_t); |
779 | void main_imsg_compose_lde(int, pid_t, void *, uint16_t); | |
eac6e3f0 RW |
780 | int main_imsg_compose_both(enum imsg_type, void *, |
781 | uint16_t); | |
8429abe0 | 782 | void imsg_event_add(struct imsgev *); |
eac6e3f0 RW |
783 | int imsg_compose_event(struct imsgev *, uint16_t, uint32_t, |
784 | pid_t, int, void *, uint16_t); | |
8429abe0 RW |
785 | void evbuf_enqueue(struct evbuf *, struct ibuf *); |
786 | void evbuf_event_add(struct evbuf *); | |
eac6e3f0 RW |
787 | void evbuf_init(struct evbuf *, int, |
788 | int (*)(struct thread *), void *); | |
8429abe0 | 789 | void evbuf_clear(struct evbuf *); |
45a8eba9 RW |
790 | int ldp_acl_request(struct imsgev *, char *, int, |
791 | union ldpd_addr *, uint8_t); | |
792 | void ldp_acl_reply(struct imsgev *, struct acl_check *); | |
8429abe0 RW |
793 | struct ldpd_af_conf *ldp_af_conf_get(struct ldpd_conf *, int); |
794 | struct ldpd_af_global *ldp_af_global_get(struct ldpd_global *, int); | |
795 | int ldp_is_dual_stack(struct ldpd_conf *); | |
eac6e3f0 | 796 | in_addr_t ldp_rtr_id_get(struct ldpd_conf *); |
e4a82008 | 797 | int ldp_config_apply(struct vty *, struct ldpd_conf *); |
eac6e3f0 | 798 | void ldp_clear_config(struct ldpd_conf *); |
8429abe0 RW |
799 | void merge_config(struct ldpd_conf *, struct ldpd_conf *); |
800 | struct ldpd_conf *config_new_empty(void); | |
801 | void config_clear(struct ldpd_conf *); | |
802 | ||
bbee85d2 RW |
803 | /* ldp_vty_conf.c */ |
804 | /* NOTE: the parameters' names should be preserved because of codegen */ | |
7d3d7491 | 805 | struct iface *iface_new_api(struct ldpd_conf *conf, |
bbee85d2 | 806 | const char *name); |
7d3d7491 RW |
807 | void iface_del_api(struct ldpd_conf *conf, |
808 | struct iface *iface); | |
7989cdba | 809 | struct tnbr *tnbr_new_api(struct ldpd_conf *conf, int af, |
bbee85d2 | 810 | union ldpd_addr *addr); |
7989cdba | 811 | void tnbr_del_api(struct ldpd_conf *conf, struct tnbr *tnbr); |
76c4abd1 | 812 | struct nbr_params *nbrp_new_api(struct ldpd_conf *conf, |
bbee85d2 | 813 | struct in_addr lsr_id); |
76c4abd1 RW |
814 | void nbrp_del_api(struct ldpd_conf *conf, |
815 | struct nbr_params *nbrp); | |
90d7e7bd RW |
816 | struct l2vpn *l2vpn_new_api(struct ldpd_conf *conf, const char *name); |
817 | void l2vpn_del_api(struct ldpd_conf *conf, | |
818 | struct l2vpn *l2vpn); | |
bbee85d2 RW |
819 | struct l2vpn_if *l2vpn_if_new_api(struct ldpd_conf *conf, |
820 | struct l2vpn *l2vpn, const char *ifname); | |
029c1958 RW |
821 | void l2vpn_if_del_api(struct l2vpn *l2vpn, |
822 | struct l2vpn_if *lif); | |
bbee85d2 RW |
823 | struct l2vpn_pw *l2vpn_pw_new_api(struct ldpd_conf *conf, |
824 | struct l2vpn *l2vpn, const char *ifname); | |
20bacaeb RW |
825 | void l2vpn_pw_del_api(struct l2vpn *l2vpn, |
826 | struct l2vpn_pw *pw); | |
bbee85d2 | 827 | |
8429abe0 RW |
828 | /* socket.c */ |
829 | int ldp_create_socket(int, enum socket_type); | |
eac6e3f0 RW |
830 | void sock_set_nonblock(int); |
831 | void sock_set_cloexec(int); | |
8429abe0 RW |
832 | void sock_set_recvbuf(int); |
833 | int sock_set_reuse(int, int); | |
834 | int sock_set_bindany(int, int); | |
eac6e3f0 | 835 | int sock_set_md5sig(int, int, union ldpd_addr *, const char *); |
8429abe0 | 836 | int sock_set_ipv4_tos(int, int); |
eac6e3f0 | 837 | int sock_set_ipv4_pktinfo(int, int); |
6cd8093d | 838 | int sock_set_ipv4_recvdstaddr(int fd, ifindex_t ifindex); |
8429abe0 RW |
839 | int sock_set_ipv4_recvif(int, int); |
840 | int sock_set_ipv4_minttl(int, int); | |
841 | int sock_set_ipv4_ucast_ttl(int fd, int); | |
842 | int sock_set_ipv4_mcast_ttl(int, uint8_t); | |
843 | int sock_set_ipv4_mcast(struct iface *); | |
844 | int sock_set_ipv4_mcast_loop(int); | |
845 | int sock_set_ipv6_dscp(int, int); | |
846 | int sock_set_ipv6_pktinfo(int, int); | |
847 | int sock_set_ipv6_minhopcount(int, int); | |
848 | int sock_set_ipv6_ucast_hops(int, int); | |
849 | int sock_set_ipv6_mcast_hops(int, int); | |
850 | int sock_set_ipv6_mcast(struct iface *); | |
851 | int sock_set_ipv6_mcast_loop(int); | |
852 | ||
fa68f9da RW |
853 | /* logmsg.h */ |
854 | struct in6_addr; | |
855 | union ldpd_addr; | |
856 | struct hello_source; | |
857 | struct fec; | |
858 | ||
859 | const char *log_sockaddr(void *); | |
860 | const char *log_in6addr(const struct in6_addr *); | |
6cd8093d DS |
861 | const char *log_in6addr_scope(const struct in6_addr *addr, |
862 | ifindex_t ifidx); | |
fa68f9da RW |
863 | const char *log_addr(int, const union ldpd_addr *); |
864 | char *log_label(uint32_t); | |
865 | const char *log_time(time_t); | |
866 | char *log_hello_src(const struct hello_source *); | |
867 | const char *log_map(const struct map *); | |
868 | const char *log_fec(const struct fec *); | |
869 | const char *af_name(int); | |
870 | const char *socket_name(int); | |
871 | const char *nbr_state_name(int); | |
872 | const char *if_state_name(int); | |
873 | const char *if_type_name(enum iface_type); | |
874 | const char *msg_name(uint16_t); | |
875 | const char *status_code_name(uint32_t); | |
876 | const char *pw_type_name(uint16_t); | |
6bbdd9e9 | 877 | const char *pw_error_code(uint8_t); |
fa68f9da | 878 | |
eac6e3f0 RW |
879 | /* quagga */ |
880 | extern struct thread_master *master; | |
372b8bd3 | 881 | extern char ctl_sock_path[MAXPATHLEN]; |
eac6e3f0 RW |
882 | |
883 | /* ldp_zebra.c */ | |
64dffe25 RW |
884 | void ldp_zebra_init(struct thread_master *); |
885 | void ldp_zebra_destroy(void); | |
e1894ff7 | 886 | int ldp_sync_zebra_send_state_update(struct ldp_igp_sync_if_state *); |
077d336a RW |
887 | int ldp_zebra_send_rlfa_labels(struct zapi_rlfa_response * |
888 | rlfa_labels); | |
eac6e3f0 RW |
889 | |
890 | /* compatibility */ | |
891 | #ifndef __OpenBSD__ | |
892 | #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) | |
893 | #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 | |
894 | #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ | |
895 | (IN6_IS_ADDR_MULTICAST(a) && \ | |
896 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_INTFACELOCAL)) | |
897 | #endif | |
8429abe0 | 898 | |
f9a4d683 KS |
899 | DECLARE_HOOK(ldp_register_mib, (struct thread_master * tm), (tm)) |
900 | ||
901 | extern void ldp_agentx_enabled(void); | |
902 | ||
8429abe0 | 903 | #endif /* _LDPD_H_ */ |