/* $OpenBSD: dvmrpe.h,v 1.5 2014/10/25 03:23:49 lteo Exp $ */ /* * Copyright (c) 2004, 2005, 2006 Esben Norby * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _DVMRPE_H_ #define _DVMRPE_H_ #include #include #include #include TAILQ_HEAD(ctl_conns, ctl_conn) ctl_conns; /* neighbor events */ enum nbr_event { NBR_EVT_NOTHING, NBR_EVT_PROBE_RCVD, NBR_EVT_1_WAY_RCVD, NBR_EVT_2_WAY_RCVD, NBR_EVT_KILL_NBR, NBR_EVT_ITIMER, NBR_EVT_LL_DOWN }; /* neighbor actions */ enum nbr_action { NBR_ACT_NOTHING, NBR_ACT_RST_ITIMER, NBR_ACT_STRT_ITIMER, NBR_ACT_RESET, NBR_ACT_DEL, NBR_ACT_CLR_LST }; struct nbr { LIST_ENTRY(nbr) entry, hash; struct event inactivity_timer; struct rr_head rr_list; struct in_addr addr; struct in_addr id; struct iface *iface; u_int32_t peerid; /* unique ID in DB */ u_int32_t gen_id; time_t uptime; int state; u_int8_t link_state; u_int8_t capabilities; u_int8_t compat; /* mrouted compat */ }; struct route_report { struct in_addr net; struct in_addr mask; struct in_addr nexthop; struct in_addr adv_rtr; int refcount; u_short ifindex; u_int8_t metric; }; struct rr_entry { TAILQ_ENTRY(rr_entry) entry; struct route_report *re; }; /* ask_nbrs2.c */ int send_ask_nbrs2(struct iface *, struct in_addr, void *, int); void recv_ask_nbrs2(struct nbr *, char *, u_int16_t); /* dvmrpe.c */ pid_t dvmrpe(struct dvmrpd_conf *, int[2], int[2], int[2]); void dvmrpe_dispatch_main(int, short, void *); void dvmrpe_dispatch_rde(int, short, void *); int dvmrpe_imsg_compose_parent(int, pid_t, void *, u_int16_t); int dvmrpe_imsg_compose_rde(int, u_int32_t, pid_t, void *, u_int16_t); void dvmrpe_iface_ctl(struct ctl_conn *, unsigned int); void dvmrpe_iface_igmp_ctl(struct ctl_conn *, unsigned int); void dvmrpe_nbr_ctl(struct ctl_conn *); /* graft.c */ int send_graft(struct iface *, struct in_addr, void *, int); void recv_graft(struct nbr *, char *, u_int16_t); /* graft_ack.c */ int send_graft_ack(struct iface *, struct in_addr, void *, int); void recv_graft_ack(struct nbr *, char *, u_int16_t); /* group.c */ struct ctl_group *group_to_ctl(struct group *); /* igmp.c */ int group_fsm(struct group *, enum group_event); int send_igmp_query(struct iface *, struct group *group); void recv_igmp_query(struct iface *, struct in_addr, char *, u_int16_t); void recv_igmp_report(struct iface *, struct in_addr, char *, u_int16_t, u_int8_t); void recv_igmp_leave(struct iface *, struct in_addr, char *, u_int16_t); struct group *group_list_add(struct iface *, u_int32_t); void group_list_remove(struct iface *, struct group *); struct group *group_list_find(struct iface *, u_int32_t); void group_list_clr(struct iface *); int group_list_empty(struct iface *); void group_list_dump(struct iface *, struct ctl_conn *); const char *group_event_name(int); const char *group_action_name(int); /* interface.c */ int if_fsm(struct iface *, enum iface_event); struct iface *if_new(struct kif *); int if_del(struct iface *); int if_nbr_list_empty(struct iface *); void if_init(struct dvmrpd_conf *, struct iface *); const char *if_event_name(int); const char *if_action_name(int); int if_set_mcast_ttl(int, u_int8_t); int if_set_tos(int, int); int if_set_mcast_loop(int); void if_set_recvbuf(int); int if_join_group(struct iface *, struct in_addr *); int if_leave_group(struct iface *, struct in_addr *); int if_set_mcast(struct iface *); struct ctl_iface *if_to_ctl(struct iface *); /* nbrs2.c */ int send_nbrs2(struct iface *, struct in_addr, void *, int); void recv_nbrs2(struct nbr *, char *, u_int16_t); /* neighbor.c */ void nbr_init(u_int32_t); struct nbr *nbr_new(u_int32_t, struct iface *, int); int nbr_del(struct nbr *); struct nbr *nbr_find_ip(struct iface *, u_int32_t); struct nbr *nbr_find_peerid(u_int32_t); int nbr_fsm(struct nbr *, enum nbr_event); int nbr_start_itimer(struct nbr *); int nbr_stop_itimer(struct nbr *); int nbr_reset_itimer(struct nbr *); void nbr_itimer(int, short, void *); int nbr_act_start(struct nbr *); int nbr_act_reset_itimer(struct nbr *); int nbr_act_start_itimer(struct nbr *); int nbr_act_delete(struct nbr *); int nbr_act_clear_lists(struct nbr *); const char *nbr_event_name(int); const char *nbr_action_name(int); struct ctl_nbr *nbr_to_ctl(struct nbr *); /* packet.c */ int gen_dvmrp_hdr(struct ibuf *, struct iface *, u_int8_t); int send_packet(struct iface *, void *, size_t, struct sockaddr_in *); void recv_packet(int, short, void *); char *pkt_ptr; /* packet buffer */ /* probe.c */ int send_probe(struct iface *); void recv_probe(struct iface *, struct in_addr, u_int32_t, u_int8_t, char *, u_int16_t); /* prune.c */ int send_prune(struct nbr *, struct prune *); void recv_prune(struct nbr *, char *, u_int16_t); /* report.c */ int send_report(struct iface *, struct in_addr, void *, int); void recv_report(struct nbr *, char *, u_int16_t); void report_timer(int, short, void *); int start_report_timer(void); int stop_report_timer(void); void rr_list_add(struct rr_head *, struct route_report *); void rr_list_clr(struct rr_head *); void rr_list_send(struct rr_head *, struct iface *, struct nbr *); #endif /* _DVMRPE_H_ */