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ldpd: adapt the code for Quagga
[mirror_frr.git] / ldpd / ldpd.h
CommitLineData
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"
8429abe0
RW		 29
30#include "ldp.h"
31
32#define CONF_FILE "/etc/ldpd.conf"
8429abe0
RW		 33#define LDPD_USER "_ldpd"
34
35#define LDPD_OPT_VERBOSE 0x00000001
36#define LDPD_OPT_VERBOSE2 0x00000002
37#define LDPD_OPT_NOACTION 0x00000004
38
39#define TCP_MD5_KEY_LEN 80
40#define L2VPN_NAME_LEN 32
41
42#define RT_BUF_SIZE 16384
43#define MAX_RTSOCK_BUF 128 * 1024
44#define LDP_BACKLOG 128
45
46#define F_LDPD_INSERTED 0x0001
47#define F_CONNECTED 0x0002
48#define F_STATIC 0x0004
49#define F_DYNAMIC 0x0008
50#define F_REJECT 0x0010
51#define F_BLACKHOLE 0x0020
52#define F_REDISTRIBUTED 0x0040
53
54struct evbuf {
eac6e3f0
RW		 55 struct msgbuf wbuf;
56 struct thread *ev;
57 int (*handler)(struct thread *);
58 void *arg;
8429abe0
RW		 59};
60
61struct imsgev {
62 struct imsgbuf ibuf;
eac6e3f0
RW		 63 int (*handler_write)(struct thread *);
64 struct thread *ev_write;
65 int (*handler_read)(struct thread *);
66 struct thread *ev_read;
8429abe0
RW		 67};
68
69enum imsg_type {
70 IMSG_NONE,
71 IMSG_CTL_RELOAD,
72 IMSG_CTL_SHOW_INTERFACE,
73 IMSG_CTL_SHOW_DISCOVERY,
eac6e3f0
RW		 74 IMSG_CTL_SHOW_DISC_IFACE,
75 IMSG_CTL_SHOW_DISC_TNBR,
76 IMSG_CTL_SHOW_DISC_ADJ,
8429abe0 77 IMSG_CTL_SHOW_NBR,
eac6e3f0
RW		 78 IMSG_CTL_SHOW_NBR_DISC,
79 IMSG_CTL_SHOW_NBR_END,
8429abe0
RW		 80 IMSG_CTL_SHOW_LIB,
81 IMSG_CTL_SHOW_L2VPN_PW,
82 IMSG_CTL_SHOW_L2VPN_BINDING,
83 IMSG_CTL_CLEAR_NBR,
84 IMSG_CTL_FIB_COUPLE,
85 IMSG_CTL_FIB_DECOUPLE,
86 IMSG_CTL_KROUTE,
87 IMSG_CTL_KROUTE_ADDR,
88 IMSG_CTL_IFINFO,
89 IMSG_CTL_END,
90 IMSG_CTL_LOG_VERBOSE,
91 IMSG_KLABEL_CHANGE,
92 IMSG_KLABEL_DELETE,
93 IMSG_KPWLABEL_CHANGE,
94 IMSG_KPWLABEL_DELETE,
95 IMSG_IFSTATUS,
96 IMSG_NEWADDR,
97 IMSG_DELADDR,
eac6e3f0 98 IMSG_RTRID_UPDATE,
8429abe0
RW		 99 IMSG_LABEL_MAPPING,
100 IMSG_LABEL_MAPPING_FULL,
101 IMSG_LABEL_REQUEST,
102 IMSG_LABEL_RELEASE,
103 IMSG_LABEL_WITHDRAW,
104 IMSG_LABEL_ABORT,
105 IMSG_REQUEST_ADD,
106 IMSG_REQUEST_ADD_END,
107 IMSG_MAPPING_ADD,
108 IMSG_MAPPING_ADD_END,
109 IMSG_RELEASE_ADD,
110 IMSG_RELEASE_ADD_END,
111 IMSG_WITHDRAW_ADD,
112 IMSG_WITHDRAW_ADD_END,
113 IMSG_ADDRESS_ADD,
114 IMSG_ADDRESS_DEL,
115 IMSG_NOTIFICATION,
116 IMSG_NOTIFICATION_SEND,
117 IMSG_NEIGHBOR_UP,
118 IMSG_NEIGHBOR_DOWN,
119 IMSG_NETWORK_ADD,
120 IMSG_NETWORK_DEL,
121 IMSG_SOCKET_IPC,
122 IMSG_SOCKET_NET,
123 IMSG_CLOSE_SOCKETS,
124 IMSG_REQUEST_SOCKETS,
125 IMSG_SETUP_SOCKETS,
126 IMSG_RECONF_CONF,
127 IMSG_RECONF_IFACE,
128 IMSG_RECONF_TNBR,
129 IMSG_RECONF_NBRP,
130 IMSG_RECONF_L2VPN,
131 IMSG_RECONF_L2VPN_IF,
132 IMSG_RECONF_L2VPN_PW,
eac6e3f0
RW		 133 IMSG_RECONF_L2VPN_IPW,
134 IMSG_RECONF_END,
135 IMSG_DEBUG_UPDATE,
136 IMSG_LOG
8429abe0
RW		 137};
138
139union ldpd_addr {
140 struct in_addr v4;
141 struct in6_addr v6;
142};
143
144#define IN6_IS_SCOPE_EMBED(a) \
145 ((IN6_IS_ADDR_LINKLOCAL(a)) || \
146 (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \
147 (IN6_IS_ADDR_MC_INTFACELOCAL(a)))
148
149/* interface states */
150#define IF_STA_DOWN 0x01
151#define IF_STA_ACTIVE 0x02
152
153/* targeted neighbor states */
154#define TNBR_STA_DOWN 0x01
155#define TNBR_STA_ACTIVE 0x02
156
157/* interface types */
158enum iface_type {
159 IF_TYPE_POINTOPOINT,
160 IF_TYPE_BROADCAST
161};
162
163/* neighbor states */
164#define NBR_STA_PRESENT 0x0001
165#define NBR_STA_INITIAL 0x0002
166#define NBR_STA_OPENREC 0x0004
167#define NBR_STA_OPENSENT 0x0008
168#define NBR_STA_OPER 0x0010
169#define NBR_STA_SESSION (NBR_STA_INITIAL | NBR_STA_OPENREC | \
170 NBR_STA_OPENSENT | NBR_STA_OPER)
171
172/* neighbor events */
173enum nbr_event {
174 NBR_EVT_NOTHING,
175 NBR_EVT_MATCH_ADJ,
176 NBR_EVT_CONNECT_UP,
177 NBR_EVT_CLOSE_SESSION,
178 NBR_EVT_INIT_RCVD,
179 NBR_EVT_KEEPALIVE_RCVD,
180 NBR_EVT_PDU_RCVD,
181 NBR_EVT_PDU_SENT,
182 NBR_EVT_INIT_SENT
183};
184
185/* neighbor actions */
186enum nbr_action {
187 NBR_ACT_NOTHING,
188 NBR_ACT_RST_KTIMEOUT,
189 NBR_ACT_SESSION_EST,
190 NBR_ACT_RST_KTIMER,
191 NBR_ACT_CONNECT_SETUP,
192 NBR_ACT_PASSIVE_INIT,
193 NBR_ACT_KEEPALIVE_SEND,
194 NBR_ACT_CLOSE_SESSION
195};
196
197TAILQ_HEAD(mapping_head, mapping_entry);
198
199struct map {
200 uint8_t type;
201 uint32_t msg_id;
202 union {
203 struct {
204 uint16_t af;
205 union ldpd_addr prefix;
206 uint8_t prefixlen;
207 } prefix;
208 struct {
209 uint16_t type;
210 uint32_t pwid;
211 uint32_t group_id;
212 uint16_t ifmtu;
213 } pwid;
214 } fec;
215 struct {
216 uint32_t status_code;
217 uint32_t msg_id;
218 uint16_t msg_type;
219 } st;
220 uint32_t label;
221 uint32_t requestid;
222 uint32_t pw_status;
223 uint8_t flags;
224};
225#define F_MAP_REQ_ID 0x01 /* optional request message id present */
226#define F_MAP_STATUS 0x02 /* status */
227#define F_MAP_PW_CWORD 0x04 /* pseudowire control word */
228#define F_MAP_PW_ID 0x08 /* pseudowire connection id */
229#define F_MAP_PW_IFMTU 0x10 /* pseudowire interface parameter */
230#define F_MAP_PW_STATUS 0x20 /* pseudowire status */
231
232struct notify_msg {
233 uint32_t status_code;
234 uint32_t msg_id; /* network byte order */
235 uint16_t msg_type; /* network byte order */
236 uint32_t pw_status;
237 struct map fec;
238 uint8_t flags;
239};
240#define F_NOTIF_PW_STATUS 0x01 /* pseudowire status tlv present */
241#define F_NOTIF_FEC 0x02 /* fec tlv present */
242
243struct if_addr {
244 LIST_ENTRY(if_addr) entry;
245 int af;
246 union ldpd_addr addr;
247 uint8_t prefixlen;
248 union ldpd_addr dstbrd;
249};
250LIST_HEAD(if_addr_head, if_addr);
251
252struct iface_af {
253 struct iface *iface;
254 int af;
255 int enabled;
256 int state;
257 LIST_HEAD(, adj) adj_list;
258 time_t uptime;
eac6e3f0 259 struct thread *hello_timer;
8429abe0
RW		 260 uint16_t hello_holdtime;
261 uint16_t hello_interval;
262};
263
264struct iface {
265 LIST_ENTRY(iface) entry;
266 char name[IF_NAMESIZE];
267 unsigned int ifindex;
268 struct if_addr_head addr_list;
269 struct in6_addr linklocal;
270 enum iface_type type;
8429abe0 271 uint16_t flags;
8429abe0
RW		 272 struct iface_af ipv4;
273 struct iface_af ipv6;
274};
275
276/* source of targeted hellos */
277struct tnbr {
278 LIST_ENTRY(tnbr) entry;
eac6e3f0 279 struct thread *hello_timer;
8429abe0
RW		 280 struct adj *adj;
281 int af;
282 union ldpd_addr addr;
283 int state;
8429abe0
RW		 284 uint16_t pw_count;
285 uint8_t flags;
286};
287#define F_TNBR_CONFIGURED 0x01
288#define F_TNBR_DYNAMIC 0x02
289
290enum auth_method {
291 AUTH_NONE,
292 AUTH_MD5SIG
293};
294
295/* neighbor specific parameters */
296struct nbr_params {
297 LIST_ENTRY(nbr_params) entry;
298 struct in_addr lsr_id;
299 uint16_t keepalive;
300 int gtsm_enabled;
301 uint8_t gtsm_hops;
302 struct {
303 enum auth_method method;
304 char md5key[TCP_MD5_KEY_LEN];
305 uint8_t md5key_len;
306 } auth;
307 uint8_t flags;
308};
309#define F_NBRP_KEEPALIVE 0x01
310#define F_NBRP_GTSM 0x02
311#define F_NBRP_GTSM_HOPS 0x04
312
313struct l2vpn_if {
314 LIST_ENTRY(l2vpn_if) entry;
315 struct l2vpn *l2vpn;
316 char ifname[IF_NAMESIZE];
317 unsigned int ifindex;
318 uint16_t flags;
8429abe0
RW		 319};
320
321struct l2vpn_pw {
322 LIST_ENTRY(l2vpn_pw) entry;
323 struct l2vpn *l2vpn;
324 struct in_addr lsr_id;
325 int af;
326 union ldpd_addr addr;
327 uint32_t pwid;
328 char ifname[IF_NAMESIZE];
329 unsigned int ifindex;
330 uint32_t remote_group;
331 uint16_t remote_mtu;
332 uint32_t remote_status;
333 uint8_t flags;
334};
335#define F_PW_STATUSTLV_CONF 0x01 /* status tlv configured */
336#define F_PW_STATUSTLV 0x02 /* status tlv negotiated */
337#define F_PW_CWORD_CONF 0x04 /* control word configured */
338#define F_PW_CWORD 0x08 /* control word negotiated */
339#define F_PW_STATUS_UP 0x10 /* pseudowire is operational */
eac6e3f0 340#define F_PW_STATIC_NBR_ADDR 0x20 /* static neighbor address configured */
8429abe0
RW		 341
342struct l2vpn {
343 LIST_ENTRY(l2vpn) entry;
344 char name[L2VPN_NAME_LEN];
345 int type;
346 int pw_type;
347 int mtu;
348 char br_ifname[IF_NAMESIZE];
349 unsigned int br_ifindex;
350 LIST_HEAD(, l2vpn_if) if_list;
351 LIST_HEAD(, l2vpn_pw) pw_list;
eac6e3f0 352 LIST_HEAD(, l2vpn_pw) pw_inactive_list;
8429abe0
RW		 353};
354#define L2VPN_TYPE_VPWS 1
355#define L2VPN_TYPE_VPLS 2
356
357/* ldp_conf */
358enum ldpd_process {
359 PROC_MAIN,
360 PROC_LDP_ENGINE,
361 PROC_LDE_ENGINE
362} ldpd_process;
363
364enum socket_type {
365 LDP_SOCKET_DISC,
366 LDP_SOCKET_EDISC,
367 LDP_SOCKET_SESSION
368};
369
370enum hello_type {
371 HELLO_LINK,
372 HELLO_TARGETED
373};
374
375struct ldpd_af_conf {
376 uint16_t keepalive;
eac6e3f0
RW		 377 uint16_t lhello_holdtime;
378 uint16_t lhello_interval;
8429abe0
RW		 379 uint16_t thello_holdtime;
380 uint16_t thello_interval;
381 union ldpd_addr trans_addr;
382 int flags;
383};
384#define F_LDPD_AF_ENABLED 0x0001
385#define F_LDPD_AF_THELLO_ACCEPT 0x0002
386#define F_LDPD_AF_EXPNULL 0x0004
387#define F_LDPD_AF_NO_GTSM 0x0008
388
389struct ldpd_conf {
390 struct in_addr rtr_id;
391 struct ldpd_af_conf ipv4;
392 struct ldpd_af_conf ipv6;
393 LIST_HEAD(, iface) iface_list;
394 LIST_HEAD(, tnbr) tnbr_list;
395 LIST_HEAD(, nbr_params) nbrp_list;
396 LIST_HEAD(, l2vpn) l2vpn_list;
eac6e3f0
RW		 397 uint16_t lhello_holdtime;
398 uint16_t lhello_interval;
399 uint16_t thello_holdtime;
400 uint16_t thello_interval;
8429abe0
RW		 401 uint16_t trans_pref;
402 int flags;
403};
404#define F_LDPD_NO_FIB_UPDATE 0x0001
405#define F_LDPD_DS_CISCO_INTEROP 0x0002
eac6e3f0 406#define F_LDPD_ENABLED 0x0004
8429abe0
RW		 407
408struct ldpd_af_global {
eac6e3f0
RW		 409 struct thread *disc_ev;
410 struct thread *edisc_ev;
8429abe0
RW		 411 int ldp_disc_socket;
412 int ldp_edisc_socket;
413 int ldp_session_socket;
414};
415
416struct ldpd_global {
417 int cmd_opts;
418 time_t uptime;
eac6e3f0 419 struct in_addr rtr_id;
8429abe0
RW		 420 struct ldpd_af_global ipv4;
421 struct ldpd_af_global ipv6;
422 uint32_t conf_seqnum;
423 int pfkeysock;
424 struct if_addr_head addr_list;
425 LIST_HEAD(, adj) adj_list;
426 struct in_addr mcast_addr_v4;
427 struct in6_addr mcast_addr_v6;
428 TAILQ_HEAD(, pending_conn) pending_conns;
429};
430
431/* kroute */
432struct kroute {
433 int af;
434 union ldpd_addr prefix;
435 uint8_t prefixlen;
436 union ldpd_addr nexthop;
437 uint32_t local_label;
438 uint32_t remote_label;
439 unsigned short ifindex;
440 uint8_t priority;
441 uint16_t flags;
442};
443
444struct kpw {
445 unsigned short ifindex;
446 int pw_type;
447 int af;
448 union ldpd_addr nexthop;
449 uint32_t local_label;
450 uint32_t remote_label;
451 uint8_t flags;
452};
453
454struct kaddr {
455 unsigned short ifindex;
456 int af;
457 union ldpd_addr addr;
458 uint8_t prefixlen;
459 union ldpd_addr dstbrd;
460};
461
462struct kif {
463 char ifname[IF_NAMESIZE];
464 unsigned short ifindex;
465 int flags;
8429abe0 466 int mtu;
8429abe0
RW		 467};
468
469/* control data structures */
470struct ctl_iface {
471 int af;
472 char name[IF_NAMESIZE];
473 unsigned int ifindex;
474 int state;
475 uint16_t flags;
8429abe0 476 enum iface_type type;
8429abe0
RW		 477 uint16_t hello_holdtime;
478 uint16_t hello_interval;
479 time_t uptime;
480 uint16_t adj_cnt;
481};
482
eac6e3f0
RW		 483struct ctl_disc_if {
484 char name[IF_NAMESIZE];
485 int active_v4;
486 int active_v6;
487 int no_adj;
488};
489
490struct ctl_disc_tnbr {
491 int af;
492 union ldpd_addr addr;
493 int no_adj;
494};
495
8429abe0
RW		 496struct ctl_adj {
497 int af;
498 struct in_addr id;
499 enum hello_type type;
500 char ifname[IF_NAMESIZE];
501 union ldpd_addr src_addr;
502 uint16_t holdtime;
503 union ldpd_addr trans_addr;
504};
505
506struct ctl_nbr {
507 int af;
508 struct in_addr id;
509 union ldpd_addr laddr;
eac6e3f0 510 in_port_t lport;
8429abe0 511 union ldpd_addr raddr;
eac6e3f0
RW		 512 in_port_t rport;
513 uint16_t holdtime;
8429abe0
RW		 514 time_t uptime;
515 int nbr_state;
516};
517
518struct ctl_rt {
519 int af;
520 union ldpd_addr prefix;
521 uint8_t prefixlen;
522 struct in_addr nexthop; /* lsr-id */
523 uint32_t local_label;
524 uint32_t remote_label;
525 uint8_t flags;
526 uint8_t in_use;
eac6e3f0 527 int first;
8429abe0
RW		 528};
529
530struct ctl_pw {
531 uint16_t type;
eac6e3f0 532 char l2vpn_name[L2VPN_NAME_LEN];
8429abe0
RW		 533 char ifname[IF_NAMESIZE];
534 uint32_t pwid;
535 struct in_addr lsr_id;
536 uint32_t local_label;
537 uint32_t local_gid;
538 uint16_t local_ifmtu;
eac6e3f0 539 uint8_t local_cword;
8429abe0
RW		 540 uint32_t remote_label;
541 uint32_t remote_gid;
542 uint16_t remote_ifmtu;
eac6e3f0 543 uint8_t remote_cword;
8429abe0
RW		 544 uint32_t status;
545};
546
547extern struct ldpd_conf *ldpd_conf;
548extern struct ldpd_global global;
549
550/* parse.y */
551struct ldpd_conf *parse_config(char *);
552int cmdline_symset(char *);
553
554/* kroute.c */
8429abe0
RW		 555void kif_redistribute(const char *);
556int kr_change(struct kroute *);
557int kr_delete(struct kroute *);
8429abe0
RW		 558int kmpw_set(struct kpw *);
559int kmpw_unset(struct kpw *);
560
561/* util.c */
562uint8_t mask2prefixlen(in_addr_t);
563uint8_t mask2prefixlen6(struct sockaddr_in6 *);
564in_addr_t prefixlen2mask(uint8_t);
565struct in6_addr *prefixlen2mask6(uint8_t);
566void ldp_applymask(int, union ldpd_addr *,
567 const union ldpd_addr *, int);
568int ldp_addrcmp(int, const union ldpd_addr *,
569 const union ldpd_addr *);
570int ldp_addrisset(int, const union ldpd_addr *);
571int ldp_prefixcmp(int, const union ldpd_addr *,
572 const union ldpd_addr *, uint8_t);
573int bad_addr_v4(struct in_addr);
574int bad_addr_v6(struct in6_addr *);
575int bad_addr(int, union ldpd_addr *);
576void embedscope(struct sockaddr_in6 *);
577void recoverscope(struct sockaddr_in6 *);
578void addscope(struct sockaddr_in6 *, uint32_t);
579void clearscope(struct in6_addr *);
580struct sockaddr *addr2sa(int af, union ldpd_addr *, uint16_t);
eac6e3f0
RW		 581void sa2addr(struct sockaddr *, int *, union ldpd_addr *,
582 in_port_t *);
583socklen_t sockaddr_len(struct sockaddr *);
8429abe0
RW		 584
585/* ldpd.c */
eac6e3f0 586int ldp_write_handler(struct thread *);
8429abe0
RW		 587void main_imsg_compose_ldpe(int, pid_t, void *, uint16_t);
588void main_imsg_compose_lde(int, pid_t, void *, uint16_t);
eac6e3f0
RW		 589int main_imsg_compose_both(enum imsg_type, void *,
590 uint16_t);
8429abe0 591void imsg_event_add(struct imsgev *);
eac6e3f0
RW		 592int imsg_compose_event(struct imsgev *, uint16_t, uint32_t,
593 pid_t, int, void *, uint16_t);
8429abe0
RW		 594void evbuf_enqueue(struct evbuf *, struct ibuf *);
595void evbuf_event_add(struct evbuf *);
eac6e3f0
RW		 596void evbuf_init(struct evbuf *, int,
597 int (*)(struct thread *), void *);
8429abe0
RW		 598void evbuf_clear(struct evbuf *);
599struct ldpd_af_conf *ldp_af_conf_get(struct ldpd_conf *, int);
600struct ldpd_af_global *ldp_af_global_get(struct ldpd_global *, int);
601int ldp_is_dual_stack(struct ldpd_conf *);
eac6e3f0
RW		 602in_addr_t ldp_rtr_id_get(struct ldpd_conf *);
603int ldp_reload(struct ldpd_conf *);
604struct ldpd_conf *ldp_dup_config(struct ldpd_conf *);
605void ldp_clear_config(struct ldpd_conf *);
8429abe0
RW		 606void merge_config(struct ldpd_conf *, struct ldpd_conf *);
607struct ldpd_conf *config_new_empty(void);
608void config_clear(struct ldpd_conf *);
609
610/* socket.c */
611int ldp_create_socket(int, enum socket_type);
eac6e3f0
RW		 612void sock_set_nonblock(int);
613void sock_set_cloexec(int);
8429abe0
RW		 614void sock_set_recvbuf(int);
615int sock_set_reuse(int, int);
616int sock_set_bindany(int, int);
eac6e3f0 617int sock_set_md5sig(int, int, union ldpd_addr *, const char *);
8429abe0 618int sock_set_ipv4_tos(int, int);
eac6e3f0
RW		 619int sock_set_ipv4_pktinfo(int, int);
620int sock_set_ipv4_recvdstaddr(int, int);
8429abe0
RW		 621int sock_set_ipv4_recvif(int, int);
622int sock_set_ipv4_minttl(int, int);
623int sock_set_ipv4_ucast_ttl(int fd, int);
624int sock_set_ipv4_mcast_ttl(int, uint8_t);
625int sock_set_ipv4_mcast(struct iface *);
626int sock_set_ipv4_mcast_loop(int);
627int sock_set_ipv6_dscp(int, int);
628int sock_set_ipv6_pktinfo(int, int);
629int sock_set_ipv6_minhopcount(int, int);
630int sock_set_ipv6_ucast_hops(int, int);
631int sock_set_ipv6_mcast_hops(int, int);
632int sock_set_ipv6_mcast(struct iface *);
633int sock_set_ipv6_mcast_loop(int);
634
eac6e3f0
RW		 635/* quagga */
636extern struct thread_master *master;
637
638/* ldp_zebra.c */
639void ldp_zebra_init(struct thread_master *);
640
641/* compatibility */
642#ifndef __OpenBSD__
643#define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
644#define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01
645#define IN6_IS_ADDR_MC_INTFACELOCAL(a) \
646 (IN6_IS_ADDR_MULTICAST(a) && \
647 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_INTFACELOCAL))
648#endif
8429abe0
RW		 649
650#endif /* _LDPD_H_ */
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