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84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
/*
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* Copyright (C) 1999 Yasuhiro Ohara
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef OSPF6_PREFIX_H
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#define OSPF6_PREFIX_H
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#include "linklist.h"
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#define OSPF6_PREFIX_OPTION_NU (1 << 0) /* No Unicast */
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#define OSPF6_PREFIX_OPTION_LA (1 << 1) /* Local Address */
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#define OSPF6_PREFIX_OPTION_MC (1 << 2) /* MultiCast */
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#define OSPF6_PREFIX_OPTION_P (1 << 3) /* Propagate (NSSA) */
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struct ospf6_prefix
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{
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u_int8_t prefix_length;
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u_int8_t prefix_options;
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union {
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u_int16_t _prefix_metric;
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u_int16_t _prefix_referenced_lstype;
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} u;
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#define prefix_metric u._prefix_metric
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#define prefix_refer_lstype u._prefix_referenced_lstype
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/* followed by one address_prefix */
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};
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/* size_t OSPF6_PREFIX_SPACE (int prefixlength); */
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#define OSPF6_PREFIX_SPACE(x) ((((x) + 31) / 32) * 4)
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/* size_t OSPF6_PREFIX_SIZE (struct ospf6_prefix *); */
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#define OSPF6_PREFIX_SIZE(x) \
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(OSPF6_PREFIX_SPACE ((x)->prefix_length) + sizeof (struct ospf6_prefix))
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/* struct ospf6_prefix *OSPF6_NEXT_PREFIX (struct ospf6_prefix *); */
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#define OSPF6_NEXT_PREFIX(x) \
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((struct ospf6_prefix *)((char *)(x) + OSPF6_PREFIX_SIZE (x)))
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/* Function Prototypes */
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struct ospf6_prefix *
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ospf6_prefix_make (u_int8_t, u_int16_t, struct prefix_ipv6 *);
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void ospf6_prefix_free (struct ospf6_prefix *);
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void ospf6_prefix_in6_addr (struct ospf6_prefix *, struct in6_addr *);
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void ospf6_prefix_copy (struct ospf6_prefix *, struct ospf6_prefix *,
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size_t);
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void ospf6_prefix_apply_mask (struct ospf6_prefix *);
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int ospf6_prefix_issame (struct ospf6_prefix *, struct ospf6_prefix *);
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char *ospf6_prefix_options_str (u_int8_t, char *, size_t);
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char *ospf6_prefix_string (struct ospf6_prefix *, char *, size_t);
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struct ospf6_prefix *
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ospf6_prefix_lookup (list l, struct ospf6_prefix *prefix);
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void ospf6_prefix_add (list, struct ospf6_prefix *);
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struct ospf6_prefix *
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ospf6_prefix_create (u_int8_t, u_int16_t, struct prefix_ipv6 *);
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void ospf6_prefix_delete (struct ospf6_prefix *);
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void ospf6_prefix_init ();
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#endif /* OSPF6_PREFIX_H */
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