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/*
* Copyright (C) 1999 Yasuhiro Ohara
*
* 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 GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef OSPF6_ROUTE_H
#define OSPF6_ROUTE_H
#include "ospf6_hook.h"
#include "ospf6_linklist.h"
struct ospf6_route_table
{
char name[128];
int freeze;
/* radix tree */
struct route_table *table;
/* list of hooks */
struct linklist *hook_list[3];
void (*hook_add) (void *);
void (*hook_change) (void *);
void (*hook_remove) (void *);
u_int32_t route_id;
};
struct ospf6_route
{
/* Destination ID */
struct prefix prefix;
/* Destination Type */
u_char type;
};
/* Path */
struct ls_origin
{
u_int16_t type;
u_int32_t id;
u_int32_t adv_router;
};
struct ospf6_path
{
/* Link State Origin */
struct ls_origin origin;
/* Router bits */
u_char router_bits;
/* Optional Capabilities */
u_char capability[3];
/* Prefix Options */
u_char prefix_options;
/* Associated Area */
u_int32_t area_id;
/* Path-type */
u_char type;
/* Cost */
u_int8_t metric_type;
u_int32_t cost;
u_int32_t cost_e2;
};
/* Nexthop */
struct ospf6_nexthop
{
/* Interface index */
unsigned int ifindex;
/* IP address, if any */
struct in6_addr address;
};
struct ospf6_route_node
{
struct ospf6_route_table *table;
int count;
u_int32_t route_id;
struct route_node *route_node;
struct ospf6_route route;
struct linklist *path_list;
};
struct ospf6_path_node
{
struct ospf6_route_node *route_node;
struct ospf6_path path;
struct linklist *nexthop_list;
};
struct ospf6_nexthop_node
{
int flag;
struct timeval installed;
struct ospf6_path_node *path_node;
struct ospf6_nexthop nexthop;
};
struct ospf6_route_req
{
struct ospf6_route_table *table;
struct route_node *route_node;
struct linklist_node path_lnode;
struct linklist_node nexthop_lnode;
u_int32_t route_id;
int count;
struct ospf6_route route;
struct ospf6_path path;
struct ospf6_nexthop nexthop;
};
#define OSPF6_DEST_TYPE_NONE 0
#define OSPF6_DEST_TYPE_ROUTER 1
#define OSPF6_DEST_TYPE_NETWORK 2
#define OSPF6_DEST_TYPE_DISCARD 3
#define OSPF6_DEST_TYPE_MAX 4
#define OSPF6_PATH_TYPE_NONE 0
#define OSPF6_PATH_TYPE_INTRA 1
#define OSPF6_PATH_TYPE_INTER 2
#define OSPF6_PATH_TYPE_EXTERNAL1 3
#define OSPF6_PATH_TYPE_EXTERNAL2 4
#define OSPF6_PATH_TYPE_ZOFFSET 5
#define OSPF6_PATH_TYPE_ZSYSTEM (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_SYSTEM)
#define OSPF6_PATH_TYPE_ZKERNEL (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_KERNEL)
#define OSPF6_PATH_TYPE_ZCONNECT (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_CONNECT)
#define OSPF6_PATH_TYPE_ZSTATIC (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_STATIC)
#define OSPF6_PATH_TYPE_ZRIP (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_RIP)
#define OSPF6_PATH_TYPE_ZRIPNG (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_RIPNG)
#define OSPF6_PATH_TYPE_ZOSPF (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_OSPF)
#define OSPF6_PATH_TYPE_ZOSPF6 (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_OSPF6)
#define OSPF6_PATH_TYPE_ZBGP (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_BGP)
#define OSPF6_PATH_TYPE_MAX (OSPF6_PATH_TYPE_ZOFFSET + ZEBRA_ROUTE_MAX)
#define OSPF6_ROUTE_FLAG_ROUTE_CHANGE 0x01
#define OSPF6_ROUTE_FLAG_PATH_CHANGE 0x02
#define OSPF6_ROUTE_FLAG_ADD 0x04
#define OSPF6_ROUTE_FLAG_REMOVE 0x08
#define OSPF6_ROUTE_FLAG_CHANGE 0x10
int ospf6_route_lookup (struct ospf6_route_req *request,
struct prefix *prefix,
struct ospf6_route_table *table);
void ospf6_route_head (struct ospf6_route_req *request,
struct ospf6_route_table *table);
int ospf6_route_end (struct ospf6_route_req *request);
void ospf6_route_next (struct ospf6_route_req *request);
void ospf6_route_add (struct ospf6_route_req *, struct ospf6_route_table *);
void ospf6_route_remove (struct ospf6_route_req *, struct ospf6_route_table *);
void ospf6_route_remove_all (struct ospf6_route_table *);
struct ospf6_route_table *ospf6_route_table_create ();
void ospf6_route_table_delete (struct ospf6_route_table *);
void ospf6_route_table_freeze (struct ospf6_route_table *);
void ospf6_route_table_thaw (struct ospf6_route_table *);
void ospf6_route_log_request (char *what, char *where,
struct ospf6_route_req *request);
void
ospf6_route_hook_register (void (*add) (struct ospf6_route_req *),
void (*change) (struct ospf6_route_req *),
void (*remove) (struct ospf6_route_req *),
struct ospf6_route_table *table);
void
ospf6_route_hook_unregister (void (*add) (struct ospf6_route_req *),
void (*change) (struct ospf6_route_req *),
void (*remove) (struct ospf6_route_req *),
struct ospf6_route_table *table);
void ospf6_route_init ();
int ospf6_route_table_show (struct vty *, int, char **,
struct ospf6_route_table *);
#endif /* OSPF6_ROUTE_H */
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