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>
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.
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.
26 #include "openbsd-tree.h"
37 #include "lib/ldp_sync.h"
39 #define CONF_FILE "/etc/ldpd.conf"
40 #define LDPD_USER "_ldpd"
42 #define LDPD_FD_ASYNC 3
43 #define LDPD_FD_SYNC 4
45 #define LDPD_OPT_VERBOSE 0x00000001
46 #define LDPD_OPT_VERBOSE2 0x00000002
47 #define LDPD_OPT_NOACTION 0x00000004
49 #define TCP_MD5_KEY_LEN 80
51 #define RT_BUF_SIZE 16384
52 #define MAX_RTSOCK_BUF 128 * 1024
53 #define LDP_BACKLOG 128
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
66 int (*handler
)(struct thread
*);
72 int (*handler_write
)(struct thread
*);
73 struct thread
*ev_write
;
74 int (*handler_read
)(struct thread
*);
75 struct thread
*ev_read
;
81 IMSG_CTL_SHOW_INTERFACE
,
82 IMSG_CTL_SHOW_DISCOVERY
,
83 IMSG_CTL_SHOW_DISCOVERY_DTL
,
84 IMSG_CTL_SHOW_DISC_IFACE
,
85 IMSG_CTL_SHOW_DISC_TNBR
,
86 IMSG_CTL_SHOW_DISC_ADJ
,
88 IMSG_CTL_SHOW_NBR_DISC
,
89 IMSG_CTL_SHOW_NBR_END
,
91 IMSG_CTL_SHOW_LIB_BEGIN
,
92 IMSG_CTL_SHOW_LIB_SENT
,
93 IMSG_CTL_SHOW_LIB_RCVD
,
94 IMSG_CTL_SHOW_LIB_END
,
95 IMSG_CTL_SHOW_L2VPN_PW
,
96 IMSG_CTL_SHOW_L2VPN_BINDING
,
97 IMSG_CTL_SHOW_LDP_SYNC
,
100 IMSG_CTL_FIB_DECOUPLE
,
102 IMSG_CTL_KROUTE_ADDR
,
105 IMSG_CTL_LOG_VERBOSE
,
117 IMSG_LABEL_MAPPING_FULL
,
123 IMSG_REQUEST_ADD_END
,
125 IMSG_MAPPING_ADD_END
,
127 IMSG_RELEASE_ADD_END
,
129 IMSG_WITHDRAW_ADD_END
,
133 IMSG_NOTIFICATION_SEND
,
141 IMSG_REQUEST_SOCKETS
,
148 IMSG_RECONF_L2VPN_IF
,
149 IMSG_RECONF_L2VPN_PW
,
150 IMSG_RECONF_L2VPN_IPW
,
159 IMSG_LDP_SYNC_IF_STATE_REQUEST
,
160 IMSG_LDP_SYNC_IF_STATE_UPDATE
,
170 char ctl_sock_path
[MAXPATHLEN
];
171 char zclient_serv_path
[MAXPATHLEN
];
172 unsigned short instance
;
176 char name
[ACL_NAMSIZ
];
177 enum access_type type
;
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)))
190 /* interface states */
191 #define IF_STA_DOWN 0x01
192 #define IF_STA_ACTIVE 0x02
194 /* targeted neighbor states */
195 #define TNBR_STA_DOWN 0x01
196 #define TNBR_STA_ACTIVE 0x02
198 /* interface types */
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)
213 /* neighbor events */
218 NBR_EVT_CLOSE_SESSION
,
220 NBR_EVT_KEEPALIVE_RCVD
,
226 /* neighbor actions */
229 NBR_ACT_RST_KTIMEOUT
,
232 NBR_ACT_CONNECT_SETUP
,
233 NBR_ACT_PASSIVE_INIT
,
234 NBR_ACT_KEEPALIVE_SEND
,
235 NBR_ACT_CLOSE_SESSION
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
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
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
266 /* forward declarations */
267 RB_HEAD(global_adj_head
, adj
);
268 RB_HEAD(nbr_adj_head
, adj
);
269 RB_HEAD(ia_adj_head
, adj
);
277 union ldpd_addr prefix
;
295 uint32_t status_code
;
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 */
312 uint32_t status_code
;
313 uint32_t msg_id
; /* network byte order */
314 uint16_t msg_type
; /* network byte order */
324 #define F_NOTIF_PW_STATUS 0x01 /* pseudowire status tlv present */
325 #define F_NOTIF_FEC 0x02 /* fec tlv present */
326 #define F_NOTIF_RETURNED_TLVS 0x04 /* returned tlvs present */
329 LIST_ENTRY(if_addr
) entry
;
331 union ldpd_addr addr
;
333 union ldpd_addr dstbrd
;
335 LIST_HEAD(if_addr_head
, if_addr
);
342 struct ia_adj_head adj_tree
;
344 struct thread
*hello_timer
;
345 uint16_t hello_holdtime
;
346 uint16_t hello_interval
;
349 struct iface_ldp_sync
{
351 struct thread
*wait_for_sync_timer
;
355 RB_ENTRY(iface
) entry
;
356 char name
[IF_NAMESIZE
];
358 struct if_addr_head addr_list
;
359 struct in6_addr linklocal
;
360 enum iface_type type
;
362 struct iface_af ipv4
;
363 struct iface_af ipv6
;
364 struct iface_ldp_sync ldp_sync
;
367 RB_HEAD(iface_head
, iface
);
368 RB_PROTOTYPE(iface_head
, iface
, entry
, iface_compare
);
369 DECLARE_QOBJ_TYPE(iface
);
371 /* source of targeted hellos */
373 RB_ENTRY(tnbr
) entry
;
374 struct thread
*hello_timer
;
377 union ldpd_addr addr
;
384 RB_HEAD(tnbr_head
, tnbr
);
385 RB_PROTOTYPE(tnbr_head
, tnbr
, entry
, tnbr_compare
);
386 DECLARE_QOBJ_TYPE(tnbr
);
387 #define F_TNBR_CONFIGURED 0x01
388 #define F_TNBR_DYNAMIC 0x02
395 /* neighbor specific parameters */
397 RB_ENTRY(nbr_params
) entry
;
398 struct in_addr lsr_id
;
403 enum auth_method method
;
404 char md5key
[TCP_MD5_KEY_LEN
];
410 RB_HEAD(nbrp_head
, nbr_params
);
411 RB_PROTOTYPE(nbrp_head
, nbr_params
, entry
, nbr_params_compare
);
412 DECLARE_QOBJ_TYPE(nbr_params
);
413 #define F_NBRP_KEEPALIVE 0x01
414 #define F_NBRP_GTSM 0x02
415 #define F_NBRP_GTSM_HOPS 0x04
418 uint32_t kalive_sent
;
419 uint32_t kalive_rcvd
;
422 uint32_t addrwdraw_sent
;
423 uint32_t addrwdraw_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
;
438 uint32_t unknown_tlv
;
439 uint32_t unknown_msg
;
443 struct ldp_entity_stats
{
444 uint32_t session_attempts
;
445 uint32_t session_rejects_hello
;
446 uint32_t session_rejects_ad
;
447 uint32_t session_rejects_max_pdu
;
448 uint32_t session_rejects_lr
;
450 uint32_t bad_pdu_len
;
451 uint32_t bad_msg_len
;
452 uint32_t bad_tlv_len
;
453 uint32_t malformed_tlv
;
454 uint32_t keepalive_timer_exp
;
455 uint32_t shutdown_rcv_notify
;
456 uint32_t shutdown_send_notify
;
460 RB_ENTRY(l2vpn_if
) entry
;
462 char ifname
[IF_NAMESIZE
];
465 uint8_t mac
[ETH_ALEN
];
468 RB_HEAD(l2vpn_if_head
, l2vpn_if
);
469 RB_PROTOTYPE(l2vpn_if_head
, l2vpn_if
, entry
, l2vpn_if_compare
);
470 DECLARE_QOBJ_TYPE(l2vpn_if
);
473 RB_ENTRY(l2vpn_pw
) entry
;
475 struct in_addr lsr_id
;
477 union ldpd_addr addr
;
479 char ifname
[IF_NAMESIZE
];
482 uint32_t remote_group
;
484 uint32_t local_status
;
485 uint32_t remote_status
;
490 RB_HEAD(l2vpn_pw_head
, l2vpn_pw
);
491 RB_PROTOTYPE(l2vpn_pw_head
, l2vpn_pw
, entry
, l2vpn_pw_compare
);
492 DECLARE_QOBJ_TYPE(l2vpn_pw
);
493 #define F_PW_STATUSTLV_CONF 0x01 /* status tlv configured */
494 #define F_PW_STATUSTLV 0x02 /* status tlv negotiated */
495 #define F_PW_CWORD_CONF 0x04 /* control word configured */
496 #define F_PW_CWORD 0x08 /* control word negotiated */
497 #define F_PW_STATIC_NBR_ADDR 0x10 /* static neighbor address configured */
499 #define F_PW_NO_ERR 0x00 /* no error reported */
500 #define F_PW_LOCAL_NOT_FWD 0x01 /* locally can't forward over PW */
501 #define F_PW_REMOTE_NOT_FWD 0x02 /* remote end of PW reported fwd error*/
502 #define F_PW_NO_REMOTE_LABEL 0x03 /* have not recvd label from peer */
503 #define F_PW_MTU_MISMATCH 0x04 /* mtu mismatch between peers */
506 RB_ENTRY(l2vpn
) entry
;
507 char name
[L2VPN_NAME_LEN
];
511 char br_ifname
[IF_NAMESIZE
];
512 ifindex_t br_ifindex
;
513 struct l2vpn_if_head if_tree
;
514 struct l2vpn_pw_head pw_tree
;
515 struct l2vpn_pw_head pw_inactive_tree
;
518 RB_HEAD(l2vpn_head
, l2vpn
);
519 RB_PROTOTYPE(l2vpn_head
, l2vpn
, entry
, l2vpn_compare
);
520 DECLARE_QOBJ_TYPE(l2vpn
);
521 #define L2VPN_TYPE_VPWS 1
522 #define L2VPN_TYPE_VPLS 2
525 extern enum ldpd_process
{
531 static const char * const log_procnames
[] = {
548 struct ldpd_af_conf
{
550 uint16_t lhello_holdtime
;
551 uint16_t lhello_interval
;
552 uint16_t thello_holdtime
;
553 uint16_t thello_interval
;
554 union ldpd_addr trans_addr
;
555 char acl_thello_accept_from
[ACL_NAMSIZ
];
556 char acl_label_allocate_for
[ACL_NAMSIZ
];
557 char acl_label_advertise_to
[ACL_NAMSIZ
];
558 char acl_label_advertise_for
[ACL_NAMSIZ
];
559 char acl_label_expnull_for
[ACL_NAMSIZ
];
560 char acl_label_accept_from
[ACL_NAMSIZ
];
561 char acl_label_accept_for
[ACL_NAMSIZ
];
564 #define F_LDPD_AF_ENABLED 0x0001
565 #define F_LDPD_AF_THELLO_ACCEPT 0x0002
566 #define F_LDPD_AF_EXPNULL 0x0004
567 #define F_LDPD_AF_NO_GTSM 0x0008
568 #define F_LDPD_AF_ALLOCHOSTONLY 0x0010
571 struct in_addr rtr_id
;
572 struct ldpd_af_conf ipv4
;
573 struct ldpd_af_conf ipv6
;
574 struct iface_head iface_tree
;
575 struct tnbr_head tnbr_tree
;
576 struct nbrp_head nbrp_tree
;
577 struct l2vpn_head l2vpn_tree
;
578 uint16_t lhello_holdtime
;
579 uint16_t lhello_interval
;
580 uint16_t thello_holdtime
;
581 uint16_t thello_interval
;
583 uint16_t wait_for_sync_interval
;
585 time_t config_change_time
;
586 struct ldp_entity_stats stats
;
589 DECLARE_QOBJ_TYPE(ldpd_conf
);
590 #define F_LDPD_NO_FIB_UPDATE 0x0001
591 #define F_LDPD_DS_CISCO_INTEROP 0x0002
592 #define F_LDPD_ENABLED 0x0004
593 #define F_LDPD_ORDERED_CONTROL 0x0008
596 struct ldpd_af_global
{
597 struct thread
*disc_ev
;
598 struct thread
*edisc_ev
;
600 int ldp_edisc_socket
;
601 int ldp_session_socket
;
606 struct in_addr rtr_id
;
607 struct ldpd_af_global ipv4
;
608 struct ldpd_af_global ipv6
;
609 uint32_t conf_seqnum
;
611 struct if_addr_head addr_list
;
612 struct global_adj_head adj_tree
;
613 struct in_addr mcast_addr_v4
;
614 struct in6_addr mcast_addr_v6
;
615 TAILQ_HEAD(, pending_conn
) pending_conns
;
621 union ldpd_addr prefix
;
623 union ldpd_addr nexthop
;
624 uint32_t local_label
;
625 uint32_t remote_label
;
628 uint8_t route_instance
;
633 char ifname
[IF_NAMESIZE
];
636 union ldpd_addr addr
;
638 union ldpd_addr dstbrd
;
642 char ifname
[IF_NAMESIZE
];
646 uint8_t mac
[ETH_ALEN
];
651 char acl
[ACL_NAMSIZ
];
653 union ldpd_addr addr
;
657 /* control data structures */
660 char name
[IF_NAMESIZE
];
663 enum iface_type type
;
664 uint16_t hello_holdtime
;
665 uint16_t hello_interval
;
671 char name
[IF_NAMESIZE
];
677 struct ctl_disc_tnbr
{
679 union ldpd_addr addr
;
686 enum hello_type type
;
687 char ifname
[IF_NAMESIZE
];
688 union ldpd_addr src_addr
;
690 uint16_t holdtime_remaining
;
691 union ldpd_addr trans_addr
;
698 union ldpd_addr laddr
;
700 union ldpd_addr raddr
;
702 enum auth_method auth_method
;
706 struct ldp_stats stats
;
708 uint16_t max_pdu_len
;
709 uint16_t hold_time_remaining
;
714 union ldpd_addr prefix
;
716 struct in_addr nexthop
; /* lsr-id */
717 uint32_t local_label
;
718 uint32_t remote_label
;
726 char l2vpn_name
[L2VPN_NAME_LEN
];
727 char ifname
[IF_NAMESIZE
];
729 struct in_addr lsr_id
;
730 uint32_t local_label
;
732 uint16_t local_ifmtu
;
734 uint32_t remote_label
;
736 uint16_t remote_ifmtu
;
737 uint8_t remote_cword
;
742 struct ctl_ldp_sync
{
743 char name
[IF_NAMESIZE
];
748 uint16_t wait_time_remaining
;
749 struct in_addr peer_ldp_id
;
752 extern struct ldpd_conf
*ldpd_conf
, *vty_conf
;
753 extern struct ldpd_global global
;
754 extern struct ldpd_init init
;
757 struct ldpd_conf
*parse_config(char *);
758 int cmdline_symset(char *);
761 void pw2zpw(struct l2vpn_pw
*, struct zapi_pw
*);
762 void kif_redistribute(const char *);
763 int kr_change(struct kroute
*);
764 int kr_delete(struct kroute
*);
765 int kmpw_add(struct zapi_pw
*);
766 int kmpw_del(struct zapi_pw
*);
767 int kmpw_set(struct zapi_pw
*);
768 int kmpw_unset(struct zapi_pw
*);
771 uint8_t mask2prefixlen(in_addr_t
);
772 uint8_t mask2prefixlen6(struct sockaddr_in6
*);
773 in_addr_t
prefixlen2mask(uint8_t);
774 struct in6_addr
*prefixlen2mask6(uint8_t);
775 void ldp_applymask(int, union ldpd_addr
*,
776 const union ldpd_addr
*, int);
777 int ldp_addrcmp(int, const union ldpd_addr
*,
778 const union ldpd_addr
*);
779 int ldp_addrisset(int, const union ldpd_addr
*);
780 int ldp_prefixcmp(int, const union ldpd_addr
*,
781 const union ldpd_addr
*, uint8_t);
782 int bad_addr_v4(struct in_addr
);
783 int bad_addr_v6(struct in6_addr
*);
784 int bad_addr(int, union ldpd_addr
*);
785 void embedscope(struct sockaddr_in6
*);
786 void recoverscope(struct sockaddr_in6
*);
787 void addscope(struct sockaddr_in6
*, uint32_t);
788 void clearscope(struct in6_addr
*);
789 void addr2sa(int af
, const union ldpd_addr
*, uint16_t,
790 union sockunion
*su
);
791 void sa2addr(struct sockaddr
*, int *, union ldpd_addr
*,
793 socklen_t
sockaddr_len(struct sockaddr
*);
796 int ldp_write_handler(struct thread
*);
797 void main_imsg_compose_ldpe(int, pid_t
, void *, uint16_t);
798 void main_imsg_compose_lde(int, pid_t
, void *, uint16_t);
799 int main_imsg_compose_both(enum imsg_type
, void *,
801 void imsg_event_add(struct imsgev
*);
802 int imsg_compose_event(struct imsgev
*, uint16_t, uint32_t,
803 pid_t
, int, void *, uint16_t);
804 void evbuf_enqueue(struct evbuf
*, struct ibuf
*);
805 void evbuf_event_add(struct evbuf
*);
806 void evbuf_init(struct evbuf
*, int,
807 int (*)(struct thread
*), void *);
808 void evbuf_clear(struct evbuf
*);
809 int ldp_acl_request(struct imsgev
*, char *, int,
810 union ldpd_addr
*, uint8_t);
811 void ldp_acl_reply(struct imsgev
*, struct acl_check
*);
812 struct ldpd_af_conf
*ldp_af_conf_get(struct ldpd_conf
*, int);
813 struct ldpd_af_global
*ldp_af_global_get(struct ldpd_global
*, int);
814 int ldp_is_dual_stack(struct ldpd_conf
*);
815 in_addr_t
ldp_rtr_id_get(struct ldpd_conf
*);
816 int ldp_config_apply(struct vty
*, struct ldpd_conf
*);
817 void ldp_clear_config(struct ldpd_conf
*);
818 void merge_config(struct ldpd_conf
*, struct ldpd_conf
*);
819 struct ldpd_conf
*config_new_empty(void);
820 void config_clear(struct ldpd_conf
*);
823 /* NOTE: the parameters' names should be preserved because of codegen */
824 struct iface
*iface_new_api(struct ldpd_conf
*conf
,
826 void iface_del_api(struct ldpd_conf
*conf
,
827 struct iface
*iface
);
828 struct tnbr
*tnbr_new_api(struct ldpd_conf
*conf
, int af
,
829 union ldpd_addr
*addr
);
830 void tnbr_del_api(struct ldpd_conf
*conf
, struct tnbr
*tnbr
);
831 struct nbr_params
*nbrp_new_api(struct ldpd_conf
*conf
,
832 struct in_addr lsr_id
);
833 void nbrp_del_api(struct ldpd_conf
*conf
,
834 struct nbr_params
*nbrp
);
835 struct l2vpn
*l2vpn_new_api(struct ldpd_conf
*conf
, const char *name
);
836 void l2vpn_del_api(struct ldpd_conf
*conf
,
837 struct l2vpn
*l2vpn
);
838 struct l2vpn_if
*l2vpn_if_new_api(struct ldpd_conf
*conf
,
839 struct l2vpn
*l2vpn
, const char *ifname
);
840 void l2vpn_if_del_api(struct l2vpn
*l2vpn
,
841 struct l2vpn_if
*lif
);
842 struct l2vpn_pw
*l2vpn_pw_new_api(struct ldpd_conf
*conf
,
843 struct l2vpn
*l2vpn
, const char *ifname
);
844 void l2vpn_pw_del_api(struct l2vpn
*l2vpn
,
845 struct l2vpn_pw
*pw
);
848 int ldp_create_socket(int, enum socket_type
);
849 void sock_set_nonblock(int);
850 void sock_set_cloexec(int);
851 void sock_set_recvbuf(int);
852 int sock_set_reuse(int, int);
853 int sock_set_bindany(int, int);
854 int sock_set_md5sig(int, int, union ldpd_addr
*, const char *);
855 int sock_set_ipv4_tos(int, int);
856 int sock_set_ipv4_pktinfo(int, int);
857 int sock_set_ipv4_recvdstaddr(int fd
, ifindex_t ifindex
);
858 int sock_set_ipv4_recvif(int, int);
859 int sock_set_ipv4_minttl(int, int);
860 int sock_set_ipv4_ucast_ttl(int fd
, int);
861 int sock_set_ipv4_mcast_ttl(int, uint8_t);
862 int sock_set_ipv4_mcast(struct iface
*);
863 int sock_set_ipv4_mcast_loop(int);
864 int sock_set_ipv6_dscp(int, int);
865 int sock_set_ipv6_pktinfo(int, int);
866 int sock_set_ipv6_minhopcount(int, int);
867 int sock_set_ipv6_ucast_hops(int, int);
868 int sock_set_ipv6_mcast_hops(int, int);
869 int sock_set_ipv6_mcast(struct iface
*);
870 int sock_set_ipv6_mcast_loop(int);
878 const char *log_sockaddr(void *);
879 const char *log_in6addr(const struct in6_addr
*);
880 const char *log_in6addr_scope(const struct in6_addr
*addr
,
882 const char *log_addr(int, const union ldpd_addr
*);
883 char *log_label(uint32_t);
884 const char *log_time(time_t);
885 char *log_hello_src(const struct hello_source
*);
886 const char *log_map(const struct map
*);
887 const char *log_fec(const struct fec
*);
888 const char *af_name(int);
889 const char *socket_name(int);
890 const char *nbr_state_name(int);
891 const char *if_state_name(int);
892 const char *if_type_name(enum iface_type
);
893 const char *msg_name(uint16_t);
894 const char *status_code_name(uint32_t);
895 const char *pw_type_name(uint16_t);
896 const char *pw_error_code(uint8_t);
899 extern struct thread_master
*master
;
900 extern char ctl_sock_path
[MAXPATHLEN
];
903 void ldp_zebra_init(struct thread_master
*);
904 void ldp_zebra_destroy(void);
905 int ldp_sync_zebra_send_state_update(struct ldp_igp_sync_if_state
*);
906 int ldp_zebra_send_rlfa_labels(struct zapi_rlfa_response
*
911 #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
912 #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01
913 #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \
914 (IN6_IS_ADDR_MULTICAST(a) && \
915 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_INTFACELOCAL))
918 DECLARE_HOOK(ldp_register_mib
, (struct thread_master
* tm
), (tm
));
920 extern void ldp_agentx_enabled(void);
922 #endif /* _LDPD_H_ */