[mirror_frr.git] / ldpd / ldpe.h

// SPDX-License-Identifier: ISC
/*	$OpenBSD$ */

/*
 * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org>
 * Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
 * Copyright (c) 2004, 2005, 2008 Esben Norby <norby@openbsd.org>
 */

#ifndef _LDPE_H_
#define _LDPE_H_

#include "queue.h"
#include "openbsd-tree.h"
#ifdef __OpenBSD__
#include <net/pfkeyv2.h>
#endif

#include "ldpd.h"
#include "lib/ldp_sync.h"

/* forward declarations */
TAILQ_HEAD(mapping_head, mapping_entry);

struct hello_source {
	enum hello_type		 type;
	struct {
		struct iface_af	*ia;
		union ldpd_addr	 src_addr;
	} link;
	struct tnbr		*target;
};

struct adj {
	RB_ENTRY(adj)		 global_entry, nbr_entry, ia_entry;
	struct in_addr		 lsr_id;
	struct nbr		*nbr;
	int			 ds_tlv;
	struct hello_source	 source;
	struct thread		*inactivity_timer;
	uint16_t		 holdtime;
	union ldpd_addr		 trans_addr;
};
RB_PROTOTYPE(global_adj_head, adj, global_entry, adj_compare)
RB_PROTOTYPE(nbr_adj_head, adj, nbr_entry, adj_compare)
RB_PROTOTYPE(ia_adj_head, adj, ia_entry, adj_compare)

struct tcp_conn {
	struct nbr		*nbr;
	int			 fd;
	struct ibuf_read	*rbuf;
	struct evbuf		 wbuf;
	struct thread		*rev;
	in_port_t		 lport;
	in_port_t		 rport;
};

struct nbr {
	RB_ENTRY(nbr)		 id_tree, addr_tree, pid_tree;
	struct tcp_conn		*tcp;
	struct nbr_adj_head	 adj_tree;	/* adjacencies */
	struct thread		*ev_connect;
	struct thread		*keepalive_timer;
	struct thread		*keepalive_timeout;
	struct thread		*init_timeout;
	struct thread		*initdelay_timer;

	struct mapping_head	 mapping_list;
	struct mapping_head	 withdraw_list;
	struct mapping_head	 request_list;
	struct mapping_head	 release_list;
	struct mapping_head	 abortreq_list;

	uint32_t		 peerid;	/* unique ID in DB */
	int			 af;
	int			 ds_tlv;
	int			 v4_enabled;	/* announce/process v4 msgs */
	int			 v6_enabled;	/* announce/process v6 msgs */
	struct in_addr		 id;		/* lsr id */
	union ldpd_addr		 laddr;		/* local address */
	union ldpd_addr		 raddr;		/* remote address */
	ifindex_t		 raddr_scope;	/* remote address scope (v6) */
	time_t			 uptime;
	int			 fd;
	int			 state;
	uint32_t		 conf_seqnum;
	int			 idtimer_cnt;
	uint16_t		 keepalive;
	uint16_t		 max_pdu_len;
	struct ldp_stats	 stats;

	struct {
		uint8_t			established;
		uint32_t		spi_in;
		uint32_t		spi_out;
		enum auth_method	method;
		char			md5key[TCP_MD5_KEY_LEN];
	} auth;
	int			 flags;
};
#define F_NBR_GTSM_NEGOTIATED	 0x01
#define F_NBR_CAP_DYNAMIC	 0x02
#define F_NBR_CAP_TWCARD	 0x04
#define F_NBR_CAP_UNOTIF	 0x08

RB_HEAD(nbr_id_head, nbr);
RB_PROTOTYPE(nbr_id_head, nbr, id_tree, nbr_id_compare)
RB_HEAD(nbr_addr_head, nbr);
RB_PROTOTYPE(nbr_addr_head, nbr, addr_tree, nbr_addr_compare)
RB_HEAD(nbr_pid_head, nbr);
RB_PROTOTYPE(nbr_pid_head, nbr, pid_tree, nbr_pid_compare)

struct pending_conn {
	TAILQ_ENTRY(pending_conn)	 entry;
	int				 fd;
	int				 af;
	union ldpd_addr			 addr;
	struct thread			*ev_timeout;
};
#define PENDING_CONN_TIMEOUT	5

struct mapping_entry {
	TAILQ_ENTRY(mapping_entry)	entry;
	struct map			map;
};

struct ldpd_sysdep {
	uint8_t		no_pfkey;
	uint8_t		no_md5sig;
};

extern struct ldpd_conf		*leconf;
extern struct ldpd_sysdep	 sysdep;
extern struct nbr_id_head	 nbrs_by_id;
extern struct nbr_addr_head	 nbrs_by_addr;
extern struct nbr_pid_head	 nbrs_by_pid;

/* accept.c */
void	accept_init(void);
int accept_add(int, void (*)(struct thread *), void *);
void	accept_del(int);
void	accept_pause(void);
void	accept_unpause(void);

/* hello.c */
int	 send_hello(enum hello_type, struct iface_af *, struct tnbr *);
void	 recv_hello(struct in_addr, struct ldp_msg *, int, union ldpd_addr *,
	    struct iface *, int, char *, uint16_t);

/* init.c */
void	 send_init(struct nbr *);
int	 recv_init(struct nbr *, char *, uint16_t);
void	 send_capability(struct nbr *, uint16_t, int);
int	 recv_capability(struct nbr *, char *, uint16_t);

/* keepalive.c */
void	 send_keepalive(struct nbr *);
int	 recv_keepalive(struct nbr *, char *, uint16_t);

/* notification.c */
void	 send_notification_full(struct tcp_conn *, struct notify_msg *);
void	 send_notification(struct tcp_conn *, uint32_t, uint32_t, uint16_t);
void	 send_notification_rtlvs(struct nbr *, uint32_t, uint32_t, uint16_t,
	    uint16_t, uint16_t, char *);
int	 recv_notification(struct nbr *, char *, uint16_t);
int	 gen_status_tlv(struct ibuf *, uint32_t, uint32_t, uint16_t);

/* address.c */
void	 send_address_single(struct nbr *, struct if_addr *, int);
void	 send_address_all(struct nbr *, int);
void	 send_mac_withdrawal(struct nbr *, struct map *, uint8_t *);
int	 recv_address(struct nbr *, char *, uint16_t);

/* labelmapping.c */
#define PREFIX_SIZE(x)	(((x) + 7) / 8)
void	 send_labelmessage(struct nbr *, uint16_t, struct mapping_head *);
int	 recv_labelmessage(struct nbr *, char *, uint16_t, uint16_t);
int	 gen_pw_status_tlv(struct ibuf *, uint32_t);
uint16_t len_fec_tlv(struct map *);
int	 gen_fec_tlv(struct ibuf *, struct map *);
int	 tlv_decode_fec_elm(struct nbr *, struct ldp_msg *, char *,
	    uint16_t, struct map *);

/* ldpe.c */
void		 ldpe(void);
void		 ldpe_init(struct ldpd_init *);
int		 ldpe_imsg_compose_parent(int, pid_t, void *,
		    uint16_t);
void		 ldpe_imsg_compose_parent_sync(int, pid_t, void *, uint16_t);
int		 ldpe_imsg_compose_lde(int, uint32_t, pid_t, void *,
		    uint16_t);
int		 ldpe_acl_check(char *, int, union ldpd_addr *, uint8_t);
void		 ldpe_reset_nbrs(int);
void		 ldpe_reset_ds_nbrs(void);
void		 ldpe_remove_dynamic_tnbrs(int);
void		 ldpe_stop_init_backoff(int);
struct ctl_conn;
void		 ldpe_iface_ctl(struct ctl_conn *c, ifindex_t ifidx);
void		 ldpe_adj_ctl(struct ctl_conn *);
void		 ldpe_adj_detail_ctl(struct ctl_conn *);
void		 ldpe_nbr_ctl(struct ctl_conn *);
void		 ldpe_ldp_sync_ctl(struct ctl_conn *);
void		 mapping_list_add(struct mapping_head *, struct map *);
void		 mapping_list_clr(struct mapping_head *);
void		 ldpe_set_config_change_time(void);

/* interface.c */
struct iface	*if_new(const char *);
void		 ldpe_if_init(struct iface *);
void		 ldpe_if_exit(struct iface *);
struct iface	*if_lookup(struct ldpd_conf *c, ifindex_t ifidx);
struct iface	*if_lookup_name(struct ldpd_conf *, const char *);
void		 if_update_info(struct iface *, struct kif *);
struct iface_af *iface_af_get(struct iface *, int);
void		 if_addr_add(struct kaddr *);
void		 if_addr_del(struct kaddr *);
void		 ldp_if_update(struct iface *, int);
void		 if_update_all(int);
uint16_t	 if_get_hello_holdtime(struct iface_af *);
uint16_t	 if_get_hello_interval(struct iface_af *);
uint16_t	 if_get_wait_for_sync_interval(void);
struct ctl_iface *if_to_ctl(struct iface_af *);
in_addr_t	 if_get_ipv4_addr(struct iface *);
int		 ldp_sync_fsm_adj_event(struct adj *, enum ldp_sync_event);
int		 ldp_sync_fsm_nbr_event(struct nbr *, enum ldp_sync_event);
int		 ldp_sync_fsm_state_req(struct ldp_igp_sync_if_state_req *);
int		 ldp_sync_fsm(struct iface *, enum ldp_sync_event);
void		 ldp_sync_fsm_reset_all(void);
const char      *ldp_sync_state_name(int);
const char      *ldp_sync_event_name(int);
struct ctl_ldp_sync *ldp_sync_to_ctl(struct iface *);

/* adjacency.c */
struct adj	*adj_new(struct in_addr, struct hello_source *,
		    union ldpd_addr *);
void		 adj_del(struct adj *, uint32_t);
struct adj	*adj_find(struct in_addr, struct hello_source *);
int		 adj_get_af(const struct adj *adj);
void		 adj_start_itimer(struct adj *);
void		 adj_stop_itimer(struct adj *);
struct tnbr	*tnbr_new(int, union ldpd_addr *);
struct tnbr	*tnbr_find(struct ldpd_conf *, int, union ldpd_addr *);
struct tnbr	*tnbr_check(struct ldpd_conf *, struct tnbr *);
void		 tnbr_update(struct tnbr *);
void		 tnbr_update_all(int);
uint16_t	 tnbr_get_hello_holdtime(struct tnbr *);
uint16_t	 tnbr_get_hello_interval(struct tnbr *);
struct ctl_adj	*adj_to_ctl(struct adj *);

/* neighbor.c */
int			 nbr_fsm(struct nbr *, enum nbr_event);
struct nbr		*nbr_new(struct in_addr, int, int, union ldpd_addr *,
			    uint32_t);
void			 nbr_del(struct nbr *);
struct nbr		*nbr_find_ldpid(uint32_t);
struct nbr		*nbr_get_first_ldpid(void);
struct nbr		*nbr_get_next_ldpid(uint32_t);
struct nbr		*nbr_find_addr(int, union ldpd_addr *);
struct nbr		*nbr_find_peerid(uint32_t);
int			 nbr_adj_count(struct nbr *, int);
int			 nbr_session_active_role(struct nbr *);
void			 nbr_stop_ktimer(struct nbr *);
void			 nbr_stop_ktimeout(struct nbr *);
void			 nbr_stop_itimeout(struct nbr *);
void			 nbr_start_idtimer(struct nbr *);
void			 nbr_stop_idtimer(struct nbr *);
int			 nbr_pending_idtimer(struct nbr *);
int			 nbr_pending_connect(struct nbr *);
int			 nbr_establish_connection(struct nbr *);
int			 nbr_gtsm_enabled(struct nbr *, struct nbr_params *);
int			 nbr_gtsm_setup(int, int, struct nbr_params *);
int			 nbr_gtsm_check(int, struct nbr *, struct nbr_params *);
struct nbr_params	*nbr_params_new(struct in_addr);
struct nbr_params	*nbr_params_find(struct ldpd_conf *, struct in_addr);
uint16_t		 nbr_get_keepalive(int, struct in_addr);
struct ctl_nbr		*nbr_to_ctl(struct nbr *);
void			 nbr_clear_ctl(struct ctl_nbr *);

/* packet.c */
int			 gen_ldp_hdr(struct ibuf *, uint16_t);
int			 gen_msg_hdr(struct ibuf *, uint16_t, uint16_t);
int			 send_packet(int, int, union ldpd_addr *,
			    struct iface_af *, void *, size_t);
void disc_recv_packet(struct thread *thread);
void session_accept(struct thread *thread);
void			 session_accept_nbr(struct nbr *, int);
void			 session_shutdown(struct nbr *, uint32_t, uint32_t,
			    uint32_t);
void			 session_close(struct nbr *);
struct tcp_conn		*tcp_new(int, struct nbr *);
void			 pending_conn_del(struct pending_conn *);
struct pending_conn	*pending_conn_find(int, union ldpd_addr *);

extern char *pkt_ptr; /* packet buffer */

/* pfkey.c */
#ifdef __OpenBSD__
int	pfkey_read(int, struct sadb_msg *);
int	pfkey_establish(struct nbr *, struct nbr_params *);
int	pfkey_remove(struct nbr *);
int	pfkey_init(void);
#endif

/* l2vpn.c */
void	ldpe_l2vpn_init(struct l2vpn *);
void	ldpe_l2vpn_exit(struct l2vpn *);
void	ldpe_l2vpn_pw_init(struct l2vpn_pw *);
void	ldpe_l2vpn_pw_exit(struct l2vpn_pw *);

DECLARE_HOOK(ldp_nbr_state_change, (struct nbr * nbr, int old_state),
	     (nbr, old_state));

#endif	/* _LDPE_H_ */
Commit	Line	Data
acddc0ed	1	// SPDX-License-Identifier: ISC
8429abe0 RW	2	/* $OpenBSD$ */
	3
	4	/*
	5	* Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org>
	6	* Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
	7	* Copyright (c) 2004, 2005, 2008 Esben Norby <norby@openbsd.org>
8429abe0 RW	8	*/
	9
	10	#ifndef _LDPE_H_
	11	#define _LDPE_H_
	12
cd85bc2e	13	#include "queue.h"
eac6e3f0 RW	14	#include "openbsd-tree.h"
eac6e3f0 RW	15	#ifdef __OpenBSD__
8429abe0	16	#include <net/pfkeyv2.h>
eac6e3f0	17	#endif
8429abe0 RW	18
8429abe0 RW	19	#include "ldpd.h"
e1894ff7	20	#include "lib/ldp_sync.h"
8429abe0	21
057d48bd RW	22	/* forward declarations */
	23	TAILQ_HEAD(mapping_head, mapping_entry);
	24
8429abe0 RW	25	struct hello_source {
	26	enum hello_type type;
	27	struct {
	28	struct iface_af *ia;
	29	union ldpd_addr src_addr;
	30	} link;
	31	struct tnbr *target;
	32	};
	33
	34	struct adj {
057d48bd	35	RB_ENTRY(adj) global_entry, nbr_entry, ia_entry;
8429abe0 RW	36	struct in_addr lsr_id;
	37	struct nbr *nbr;
	38	int ds_tlv;
	39	struct hello_source source;
eac6e3f0	40	struct thread *inactivity_timer;
8429abe0 RW	41	uint16_t holdtime;
	42	union ldpd_addr trans_addr;
	43	};
057d48bd RW	44	RB_PROTOTYPE(global_adj_head, adj, global_entry, adj_compare)
	45	RB_PROTOTYPE(nbr_adj_head, adj, nbr_entry, adj_compare)
	46	RB_PROTOTYPE(ia_adj_head, adj, ia_entry, adj_compare)
8429abe0 RW	47
	48	struct tcp_conn {
	49	struct nbr *nbr;
	50	int fd;
	51	struct ibuf_read *rbuf;
	52	struct evbuf wbuf;
eac6e3f0 RW	53	struct thread *rev;
	54	in_port_t lport;
	55	in_port_t rport;
8429abe0 RW	56	};
	57
	58	struct nbr {
	59	RB_ENTRY(nbr) id_tree, addr_tree, pid_tree;
	60	struct tcp_conn *tcp;
057d48bd	61	struct nbr_adj_head adj_tree; /* adjacencies */
eac6e3f0 RW	62	struct thread *ev_connect;
	63	struct thread *keepalive_timer;
	64	struct thread *keepalive_timeout;
	65	struct thread *init_timeout;
	66	struct thread *initdelay_timer;
8429abe0 RW	67
	68	struct mapping_head mapping_list;
	69	struct mapping_head withdraw_list;
	70	struct mapping_head request_list;
	71	struct mapping_head release_list;
	72	struct mapping_head abortreq_list;
	73
	74	uint32_t peerid; /* unique ID in DB */
	75	int af;
	76	int ds_tlv;
	77	int v4_enabled; /* announce/process v4 msgs */
	78	int v6_enabled; /* announce/process v6 msgs */
	79	struct in_addr id; /* lsr id */
	80	union ldpd_addr laddr; /* local address */
	81	union ldpd_addr raddr; /* remote address */
6cd8093d	82	ifindex_t raddr_scope; /* remote address scope (v6) */
8429abe0 RW	83	time_t uptime;
	84	int fd;
	85	int state;
	86	uint32_t conf_seqnum;
	87	int idtimer_cnt;
	88	uint16_t keepalive;
	89	uint16_t max_pdu_len;
0f7b5df9	90	struct ldp_stats stats;
8429abe0 RW	91
	92	struct {
	93	uint8_t established;
	94	uint32_t spi_in;
	95	uint32_t spi_out;
	96	enum auth_method method;
	97	char md5key[TCP_MD5_KEY_LEN];
	98	} auth;
	99	int flags;
	100	};
	101	#define F_NBR_GTSM_NEGOTIATED 0x01
8819fc38	102	#define F_NBR_CAP_DYNAMIC 0x02
d4afb819	103	#define F_NBR_CAP_TWCARD 0x04
257799cd	104	#define F_NBR_CAP_UNOTIF 0x08
8429abe0 RW	105
	106	RB_HEAD(nbr_id_head, nbr);
	107	RB_PROTOTYPE(nbr_id_head, nbr, id_tree, nbr_id_compare)
	108	RB_HEAD(nbr_addr_head, nbr);
	109	RB_PROTOTYPE(nbr_addr_head, nbr, addr_tree, nbr_addr_compare)
	110	RB_HEAD(nbr_pid_head, nbr);
	111	RB_PROTOTYPE(nbr_pid_head, nbr, pid_tree, nbr_pid_compare)
	112
	113	struct pending_conn {
	114	TAILQ_ENTRY(pending_conn) entry;
	115	int fd;
	116	int af;
	117	union ldpd_addr addr;
eac6e3f0	118	struct thread *ev_timeout;
8429abe0 RW	119	};
	120	#define PENDING_CONN_TIMEOUT 5
	121
	122	struct mapping_entry {
	123	TAILQ_ENTRY(mapping_entry) entry;
	124	struct map map;
	125	};
	126
	127	struct ldpd_sysdep {
	128	uint8_t no_pfkey;
	129	uint8_t no_md5sig;
	130	};
	131
	132	extern struct ldpd_conf *leconf;
	133	extern struct ldpd_sysdep sysdep;
	134	extern struct nbr_id_head nbrs_by_id;
	135	extern struct nbr_addr_head nbrs_by_addr;
	136	extern struct nbr_pid_head nbrs_by_pid;
	137
	138	/* accept.c */
	139	void accept_init(void);
cc9f21da	140	int accept_add(int, void ()(struct thread ), void *);
8429abe0 RW	141	void accept_del(int);
	142	void accept_pause(void);
	143	void accept_unpause(void);
	144
	145	/* hello.c */
	146	int send_hello(enum hello_type, struct iface_af , struct tnbr );
	147	void recv_hello(struct in_addr, struct ldp_msg , int, union ldpd_addr ,
	148	struct iface , int, char , uint16_t);
	149
	150	/* init.c */
	151	void send_init(struct nbr *);
	152	int recv_init(struct nbr , char , uint16_t);
8819fc38 RW	153	void send_capability(struct nbr *, uint16_t, int);
8819fc38 RW	154	int recv_capability(struct nbr , char , uint16_t);
8429abe0 RW	155
	156	/* keepalive.c */
	157	void send_keepalive(struct nbr *);
	158	int recv_keepalive(struct nbr , char , uint16_t);
	159
	160	/* notification.c */
	161	void send_notification_full(struct tcp_conn , struct notify_msg );
adbdf465	162	void send_notification(struct tcp_conn *, uint32_t, uint32_t, uint16_t);
8819fc38 RW	163	void send_notification_rtlvs(struct nbr *, uint32_t, uint32_t, uint16_t,
8819fc38 RW	164	uint16_t, uint16_t, char *);
8429abe0 RW	165	int recv_notification(struct nbr , char , uint16_t);
	166	int gen_status_tlv(struct ibuf *, uint32_t, uint32_t, uint16_t);
	167
	168	/* address.c */
	169	void send_address_single(struct nbr , struct if_addr , int);
	170	void send_address_all(struct nbr *, int);
26519d8c	171	void send_mac_withdrawal(struct nbr , struct map , uint8_t *);
8429abe0 RW	172	int recv_address(struct nbr , char , uint16_t);
	173
	174	/* labelmapping.c */
	175	#define PREFIX_SIZE(x) (((x) + 7) / 8)
	176	void send_labelmessage(struct nbr , uint16_t, struct mapping_head );
	177	int recv_labelmessage(struct nbr , char , uint16_t, uint16_t);
	178	int gen_pw_status_tlv(struct ibuf *, uint32_t);
257799cd	179	uint16_t len_fec_tlv(struct map *);
8429abe0 RW	180	int gen_fec_tlv(struct ibuf , struct map );
	181	int tlv_decode_fec_elm(struct nbr , struct ldp_msg , char *,
	182	uint16_t, struct map *);
	183
	184	/* ldpe.c */
274f5abf RW	185	void ldpe(void);
274f5abf RW	186	void ldpe_init(struct ldpd_init *);
8429abe0 RW	187	int ldpe_imsg_compose_parent(int, pid_t, void *,
8429abe0 RW	188	uint16_t);
f2232fdf	189	void ldpe_imsg_compose_parent_sync(int, pid_t, void *, uint16_t);
8429abe0 RW	190	int ldpe_imsg_compose_lde(int, uint32_t, pid_t, void *,
8429abe0 RW	191	uint16_t);
45a8eba9	192	int ldpe_acl_check(char , int, union ldpd_addr , uint8_t);
8429abe0 RW	193	void ldpe_reset_nbrs(int);
	194	void ldpe_reset_ds_nbrs(void);
	195	void ldpe_remove_dynamic_tnbrs(int);
	196	void ldpe_stop_init_backoff(int);
	197	struct ctl_conn;
6cd8093d	198	void ldpe_iface_ctl(struct ctl_conn *c, ifindex_t ifidx);
8429abe0	199	void ldpe_adj_ctl(struct ctl_conn *);
bc0eb287	200	void ldpe_adj_detail_ctl(struct ctl_conn *);
8429abe0	201	void ldpe_nbr_ctl(struct ctl_conn *);
e1894ff7	202	void ldpe_ldp_sync_ctl(struct ctl_conn *);
8429abe0 RW	203	void mapping_list_add(struct mapping_head , struct map );
8429abe0 RW	204	void mapping_list_clr(struct mapping_head *);
f9a4d683	205	void ldpe_set_config_change_time(void);
8429abe0 RW	206
8429abe0 RW	207	/* interface.c */
52b530fc	208	struct iface if_new(const char );
1d75a89d RW	209	void ldpe_if_init(struct iface *);
1d75a89d RW	210	void ldpe_if_exit(struct iface *);
6cd8093d	211	struct iface if_lookup(struct ldpd_conf c, ifindex_t ifidx);
eac6e3f0 RW	212	struct iface if_lookup_name(struct ldpd_conf , const char *);
eac6e3f0 RW	213	void if_update_info(struct iface , struct kif );
8429abe0 RW	214	struct iface_af iface_af_get(struct iface , int);
	215	void if_addr_add(struct kaddr *);
	216	void if_addr_del(struct kaddr *);
61cd1100	217	void ldp_if_update(struct iface *, int);
8429abe0	218	void if_update_all(int);
eac6e3f0 RW	219	uint16_t if_get_hello_holdtime(struct iface_af *);
eac6e3f0 RW	220	uint16_t if_get_hello_interval(struct iface_af *);
e1894ff7	221	uint16_t if_get_wait_for_sync_interval(void);
8429abe0 RW	222	struct ctl_iface if_to_ctl(struct iface_af );
8429abe0 RW	223	in_addr_t if_get_ipv4_addr(struct iface *);
e1894ff7 KS	224	int ldp_sync_fsm_adj_event(struct adj *, enum ldp_sync_event);
	225	int ldp_sync_fsm_nbr_event(struct nbr *, enum ldp_sync_event);
	226	int ldp_sync_fsm_state_req(struct ldp_igp_sync_if_state_req *);
	227	int ldp_sync_fsm(struct iface *, enum ldp_sync_event);
	228	void ldp_sync_fsm_reset_all(void);
	229	const char *ldp_sync_state_name(int);
	230	const char *ldp_sync_event_name(int);
	231	struct ctl_ldp_sync ldp_sync_to_ctl(struct iface );
8429abe0 RW	232
	233	/* adjacency.c */
	234	struct adj adj_new(struct in_addr, struct hello_source ,
	235	union ldpd_addr *);
	236	void adj_del(struct adj *, uint32_t);
f2725627	237	struct adj adj_find(struct in_addr, struct hello_source );
522faa1f	238	int adj_get_af(const struct adj *adj);
8429abe0 RW	239	void adj_start_itimer(struct adj *);
8429abe0 RW	240	void adj_stop_itimer(struct adj *);
eac6e3f0	241	struct tnbr tnbr_new(int, union ldpd_addr );
8429abe0	242	struct tnbr tnbr_find(struct ldpd_conf , int, union ldpd_addr *);
7989cdba	243	struct tnbr tnbr_check(struct ldpd_conf , struct tnbr *);
8429abe0 RW	244	void tnbr_update(struct tnbr *);
8429abe0 RW	245	void tnbr_update_all(int);
eac6e3f0 RW	246	uint16_t tnbr_get_hello_holdtime(struct tnbr *);
eac6e3f0 RW	247	uint16_t tnbr_get_hello_interval(struct tnbr *);
8429abe0 RW	248	struct ctl_adj adj_to_ctl(struct adj );
	249
	250	/* neighbor.c */
	251	int nbr_fsm(struct nbr *, enum nbr_event);
	252	struct nbr nbr_new(struct in_addr, int, int, union ldpd_addr ,
	253	uint32_t);
	254	void nbr_del(struct nbr *);
	255	struct nbr *nbr_find_ldpid(uint32_t);
f9a4d683 KS	256	struct nbr *nbr_get_first_ldpid(void);
f9a4d683 KS	257	struct nbr *nbr_get_next_ldpid(uint32_t);
8429abe0 RW	258	struct nbr nbr_find_addr(int, union ldpd_addr );
	259	struct nbr *nbr_find_peerid(uint32_t);
	260	int nbr_adj_count(struct nbr *, int);
	261	int nbr_session_active_role(struct nbr *);
	262	void nbr_stop_ktimer(struct nbr *);
	263	void nbr_stop_ktimeout(struct nbr *);
	264	void nbr_stop_itimeout(struct nbr *);
	265	void nbr_start_idtimer(struct nbr *);
	266	void nbr_stop_idtimer(struct nbr *);
	267	int nbr_pending_idtimer(struct nbr *);
	268	int nbr_pending_connect(struct nbr *);
	269	int nbr_establish_connection(struct nbr *);
	270	int nbr_gtsm_enabled(struct nbr , struct nbr_params );
	271	int nbr_gtsm_setup(int, int, struct nbr_params *);
	272	int nbr_gtsm_check(int, struct nbr , struct nbr_params );
	273	struct nbr_params *nbr_params_new(struct in_addr);
	274	struct nbr_params nbr_params_find(struct ldpd_conf , struct in_addr);
	275	uint16_t nbr_get_keepalive(int, struct in_addr);
	276	struct ctl_nbr nbr_to_ctl(struct nbr );
	277	void nbr_clear_ctl(struct ctl_nbr *);
	278
	279	/* packet.c */
	280	int gen_ldp_hdr(struct ibuf *, uint16_t);
	281	int gen_msg_hdr(struct ibuf *, uint16_t, uint16_t);
	282	int send_packet(int, int, union ldpd_addr *,
	283	struct iface_af , void , size_t);
cc9f21da DS	284	void disc_recv_packet(struct thread *thread);
cc9f21da DS	285	void session_accept(struct thread *thread);
8429abe0 RW	286	void session_accept_nbr(struct nbr *, int);
	287	void session_shutdown(struct nbr *, uint32_t, uint32_t,
	288	uint32_t);
	289	void session_close(struct nbr *);
	290	struct tcp_conn tcp_new(int, struct nbr );
	291	void pending_conn_del(struct pending_conn *);
	292	struct pending_conn pending_conn_find(int, union ldpd_addr );
	293
56b7d725	294	extern char pkt_ptr; / packet buffer */
8429abe0 RW	295
8429abe0 RW	296	/* pfkey.c */
eac6e3f0	297	#ifdef __OpenBSD__
8429abe0 RW	298	int pfkey_read(int, struct sadb_msg *);
	299	int pfkey_establish(struct nbr , struct nbr_params );
	300	int pfkey_remove(struct nbr *);
	301	int pfkey_init(void);
eac6e3f0	302	#endif
8429abe0 RW	303
	304	/* l2vpn.c */
	305	void ldpe_l2vpn_init(struct l2vpn *);
	306	void ldpe_l2vpn_exit(struct l2vpn *);
	307	void ldpe_l2vpn_pw_init(struct l2vpn_pw *);
	308	void ldpe_l2vpn_pw_exit(struct l2vpn_pw *);
	309
8451921b DL	310	DECLARE_HOOK(ldp_nbr_state_change, (struct nbr * nbr, int old_state),
8451921b DL	311	(nbr, old_state));
f9a4d683	312
8429abe0	313	#endif /* _LDPE_H_ */