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Diffstat (limited to 'usr.sbin/ldpd/lde.h')
| -rw-r--r-- | usr.sbin/ldpd/lde.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/usr.sbin/ldpd/lde.h b/usr.sbin/ldpd/lde.h new file mode 100644 index 00000000000..7ba1b09a3ca --- /dev/null +++ b/usr.sbin/ldpd/lde.h @@ -0,0 +1,127 @@ +/* $OpenBSD: lde.h,v 1.1 2009/06/01 20:59:45 michele Exp $ */ + +/* + * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org> + * + * 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 _LDE_H_ +#define _LDE_H_ + +#include <sys/types.h> +#include <sys/time.h> +#include <sys/tree.h> +#include <sys/queue.h> +#include <event.h> +#include <limits.h> + +/* Label mapping request pending */ +struct lde_req_entry { + TAILQ_ENTRY(lde_req_entry) entry; + struct in_addr prefix; + u_int8_t prefixlen; +}; + +/* Label mapping message sent */ +struct lde_map_entry { + TAILQ_ENTRY(lde_map_entry) entry; + struct in_addr prefix; + u_int8_t prefixlen; + u_int32_t label; +}; + +/* Addresses belonging to neighbor */ +struct lde_nbr_address { + TAILQ_ENTRY(lde_nbr_address) entry; + struct in_addr addr; +}; + +/* just the info LDE needs */ +struct lde_nbr { + LIST_ENTRY(lde_nbr) hash, entry; + struct in_addr id; + + TAILQ_HEAD(, lde_req_entry) req_list; + TAILQ_HEAD(, lde_map_entry) recv_map_list; + TAILQ_HEAD(, lde_map_entry) sent_map_list; + TAILQ_HEAD(, lde_nbr_address) addr_list; + + u_int32_t peerid; + unsigned int ifindex; + int self; + int state; + + u_int16_t lspace; +}; + +struct rt_label { + TAILQ_ENTRY(rt_label) entry; + u_int32_t label; + struct lde_nbr *nexthop; +}; + +struct rt_node { + RB_ENTRY(rt_node) entry; + TAILQ_HEAD(, rt_label) labels_list; + struct in_addr prefix; + struct in_addr nexthop; + + u_int32_t local_label; + u_int32_t remote_label; + + u_int32_t ext_tag; + u_int16_t lspace; + u_int8_t flags; + u_int8_t prefixlen; + u_int8_t invalid; +}; + +/* lde.c */ +pid_t lde(struct ldpd_conf *, int [2], int [2], int [2]); +int lde_imsg_compose_ldpe(int, u_int32_t, pid_t, void *, + u_int16_t); +u_int32_t lde_router_id(void); +void lde_send_insert_klabel(struct rt_node *); +void lde_send_change_klabel(struct rt_node *); +void lde_send_delete_klabel(struct rt_node *); +void lde_send_labelmapping(u_int32_t, struct map *); +void lde_send_labelrequest(u_int32_t, struct map *); +void lde_send_labelrelease(u_int32_t, struct map *); +void lde_send_notification(u_int32_t, u_int32_t); + +void lde_nbr_del(struct lde_nbr *); +struct lde_nbr *lde_find_address(struct in_addr); + + +int lde_address_add(struct lde_nbr *, struct in_addr *); +struct lde_nbr_address *lde_address_find(struct lde_nbr *, struct in_addr *); +int lde_address_del(struct lde_nbr *, struct in_addr *); + +/* lde_lib.c */ +void rt_init(void); +int rt_compare(struct rt_node *, struct rt_node *); +int rt_insert(struct rt_node *); +int rt_remove(struct rt_node *); +struct rt_node *rt_find(in_addr_t, u_int8_t); +void rt_clear(void); +void route_reset_timers(struct rt_node *); +int route_start_timeout(struct rt_node *); +void route_start_garbage(struct rt_node *); +void rt_dump(pid_t); +void rt_snap(u_int32_t); +void lde_insert(struct kroute *); +void lde_check_mapping(struct map *, struct lde_nbr *); +void lde_check_request(struct map *, struct lde_nbr *); + +#endif /* _LDE_H_ */ |