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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_PREFIX_H
#define OSPF6_PREFIX_H
#include "linklist.h"
#define OSPF6_PREFIX_OPTION_NU (1 << 0) /* No Unicast */
#define OSPF6_PREFIX_OPTION_LA (1 << 1) /* Local Address */
#define OSPF6_PREFIX_OPTION_MC (1 << 2) /* MultiCast */
#define OSPF6_PREFIX_OPTION_P (1 << 3) /* Propagate (NSSA) */
struct ospf6_prefix
{
u_int8_t prefix_length;
u_int8_t prefix_options;
union {
u_int16_t _prefix_metric;
u_int16_t _prefix_referenced_lstype;
} u;
#define prefix_metric u._prefix_metric
#define prefix_refer_lstype u._prefix_referenced_lstype
/* followed by one address_prefix */
};
/* size_t OSPF6_PREFIX_SPACE (int prefixlength); */
#define OSPF6_PREFIX_SPACE(x) ((((x) + 31) / 32) * 4)
/* size_t OSPF6_PREFIX_SIZE (struct ospf6_prefix *); */
#define OSPF6_PREFIX_SIZE(x) \
(OSPF6_PREFIX_SPACE ((x)->prefix_length) + sizeof (struct ospf6_prefix))
/* struct ospf6_prefix *OSPF6_NEXT_PREFIX (struct ospf6_prefix *); */
#define OSPF6_NEXT_PREFIX(x) \
((struct ospf6_prefix *)((char *)(x) + OSPF6_PREFIX_SIZE (x)))
/* Function Prototypes */
struct ospf6_prefix *
ospf6_prefix_make (u_int8_t, u_int16_t, struct prefix_ipv6 *);
void ospf6_prefix_free (struct ospf6_prefix *);
void ospf6_prefix_in6_addr (struct ospf6_prefix *, struct in6_addr *);
void ospf6_prefix_copy (struct ospf6_prefix *, struct ospf6_prefix *,
size_t);
void ospf6_prefix_apply_mask (struct ospf6_prefix *);
int ospf6_prefix_issame (struct ospf6_prefix *, struct ospf6_prefix *);
char *ospf6_prefix_options_str (u_int8_t, char *, size_t);
char *ospf6_prefix_string (struct ospf6_prefix *, char *, size_t);
struct ospf6_prefix *
ospf6_prefix_lookup (list l, struct ospf6_prefix *prefix);
void ospf6_prefix_add (list, struct ospf6_prefix *);
struct ospf6_prefix *
ospf6_prefix_create (u_int8_t, u_int16_t, struct prefix_ipv6 *);
void ospf6_prefix_delete (struct ospf6_prefix *);
void ospf6_prefix_init ();
#endif /* OSPF6_PREFIX_H */
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