mirror of
https://git.proxmox.com/git/mirror_frr
synced 2025-10-31 10:45:44 +00:00
d7c0a89a3a
The following types are nonstandard: - u_char - u_short - u_int - u_long - u_int8_t - u_int16_t - u_int32_t Replace them with the C99 standard types: - uint8_t - unsigned short - unsigned int - unsigned long - uint8_t - uint16_t - uint32_t Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
156 lines
4.6 KiB
C
156 lines
4.6 KiB
C
/*
|
|
* OSPF routing table.
|
|
* Copyright (C) 1999, 2000 Toshiaki Takada
|
|
*
|
|
* This file is part of GNU Zebra.
|
|
*
|
|
* GNU Zebra is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2, or (at your option) any
|
|
* later version.
|
|
*
|
|
* GNU Zebra is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; see the file COPYING; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _ZEBRA_OSPF_ROUTE_H
|
|
#define _ZEBRA_OSPF_ROUTE_H
|
|
|
|
#define OSPF_DESTINATION_ROUTER 1
|
|
#define OSPF_DESTINATION_NETWORK 2
|
|
#define OSPF_DESTINATION_DISCARD 3
|
|
|
|
#define OSPF_PATH_MIN 0
|
|
#define OSPF_PATH_INTRA_AREA 1
|
|
#define OSPF_PATH_INTER_AREA 2
|
|
#define OSPF_PATH_TYPE1_EXTERNAL 3
|
|
#define OSPF_PATH_TYPE2_EXTERNAL 4
|
|
#define OSPF_PATH_MAX 5
|
|
|
|
/* OSPF Path. */
|
|
struct ospf_path {
|
|
struct in_addr nexthop;
|
|
struct in_addr adv_router;
|
|
ifindex_t ifindex;
|
|
unsigned char unnumbered;
|
|
};
|
|
|
|
/* Below is the structure linked to every
|
|
route node. Note that for Network routing
|
|
entries a single ospf_route is kept, while
|
|
for ABRs and ASBRs (Router routing entries),
|
|
we link an instance of ospf_router_route
|
|
where a list of paths is maintained, so
|
|
|
|
nr->info is a (struct ospf_route *) for OSPF_DESTINATION_NETWORK
|
|
but
|
|
nr->info is a (struct ospf_router_route *) for OSPF_DESTINATION_ROUTER
|
|
*/
|
|
|
|
struct route_standard {
|
|
/* Link Sate Origin. */
|
|
struct lsa_header *origin;
|
|
|
|
/* Associated Area. */
|
|
struct in_addr area_id; /* The area the route belongs to */
|
|
|
|
/* Area Type */
|
|
int external_routing;
|
|
|
|
/* Optional Capability. */
|
|
uint8_t options; /* Get from LSA header. */
|
|
|
|
/* */
|
|
uint8_t flags; /* From router-LSA */
|
|
};
|
|
|
|
struct route_external {
|
|
/* Link State Origin. */
|
|
struct ospf_lsa *origin;
|
|
|
|
/* Link State Cost Type2. */
|
|
uint32_t type2_cost;
|
|
|
|
/* Tag value. */
|
|
uint32_t tag;
|
|
|
|
/* ASBR route. */
|
|
struct ospf_route *asbr;
|
|
};
|
|
|
|
struct ospf_route {
|
|
/* Destination Type. */
|
|
uint8_t type;
|
|
|
|
/* Destination ID. */ /* i.e. Link State ID. */
|
|
struct in_addr id;
|
|
|
|
/* Address Mask. */
|
|
struct in_addr mask; /* Only valid for networks. */
|
|
|
|
/* Path Type. */
|
|
uint8_t path_type;
|
|
|
|
/* List of Paths. */
|
|
struct list *paths;
|
|
|
|
/* Link State Cost. */
|
|
uint32_t cost; /* i.e. metric. */
|
|
|
|
/* Route specific info. */
|
|
union {
|
|
struct route_standard std;
|
|
struct route_external ext;
|
|
} u;
|
|
};
|
|
|
|
extern struct ospf_path *ospf_path_new(void);
|
|
extern void ospf_path_free(struct ospf_path *);
|
|
extern struct ospf_path *ospf_path_lookup(struct list *, struct ospf_path *);
|
|
extern struct ospf_route *ospf_route_new(void);
|
|
extern void ospf_route_free(struct ospf_route *);
|
|
extern void ospf_route_delete(struct ospf *, struct route_table *);
|
|
extern void ospf_route_table_free(struct route_table *);
|
|
|
|
extern void ospf_route_install(struct ospf *, struct route_table *);
|
|
extern void ospf_route_table_dump(struct route_table *);
|
|
|
|
extern void ospf_intra_add_router(struct route_table *, struct vertex *,
|
|
struct ospf_area *);
|
|
|
|
extern void ospf_intra_add_transit(struct route_table *, struct vertex *,
|
|
struct ospf_area *);
|
|
|
|
extern void ospf_intra_add_stub(struct route_table *, struct router_lsa_link *,
|
|
struct vertex *, struct ospf_area *,
|
|
int parent_is_root, int);
|
|
|
|
extern int ospf_route_cmp(struct ospf *, struct ospf_route *,
|
|
struct ospf_route *);
|
|
extern void ospf_route_copy_nexthops(struct ospf_route *, struct list *);
|
|
extern void ospf_route_copy_nexthops_from_vertex(struct ospf_route *,
|
|
struct vertex *);
|
|
|
|
extern void ospf_route_subst(struct route_node *, struct ospf_route *,
|
|
struct ospf_route *);
|
|
extern void ospf_route_add(struct route_table *, struct prefix_ipv4 *,
|
|
struct ospf_route *, struct ospf_route *);
|
|
|
|
extern void ospf_route_subst_nexthops(struct ospf_route *, struct list *);
|
|
extern void ospf_prune_unreachable_networks(struct route_table *);
|
|
extern void ospf_prune_unreachable_routers(struct route_table *);
|
|
extern int ospf_add_discard_route(struct ospf *, struct route_table *,
|
|
struct ospf_area *, struct prefix_ipv4 *);
|
|
extern void ospf_delete_discard_route(struct ospf *, struct route_table *,
|
|
struct prefix_ipv4 *);
|
|
extern int ospf_route_match_same(struct route_table *, struct prefix_ipv4 *,
|
|
struct ospf_route *);
|
|
|
|
#endif /* _ZEBRA_OSPF_ROUTE_H */
|