1/*
2 * dhcpcd - DHCP client daemon
3 * Copyright (c) 2006-2012 Roy Marples <roy@marples.name>
4 * All rights reserved
5
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#ifndef IPV6_H
29#define IPV6_H
30
31#include <sys/queue.h>
32
33#include <netinet/in.h>
34
35#include "ipv6rs.h"
36
37#define ALLROUTERS "ff02::2"
38#define HOPLIMIT 255
39
40#define ROUNDUP8(a) (1 + (((a) - 1) | 7))
41
42struct ipv6_addr {
43	TAILQ_ENTRY(ipv6_addr) next;
44	struct in6_addr prefix;
45	int prefix_len;
46	uint32_t prefix_vltime;
47	uint32_t prefix_pltime;
48	struct in6_addr addr;
49	int new;
50	char saddr[INET6_ADDRSTRLEN];
51};
52
53struct rt6 {
54	TAILQ_ENTRY(rt6) next;
55	struct in6_addr dest;
56	struct in6_addr net;
57	struct in6_addr gate;
58	const struct interface *iface;
59	struct ra *ra;
60	int metric;
61	unsigned int mtu;
62};
63TAILQ_HEAD(rt6head, rt6);
64
65extern int socket_afnet6;
66
67int ipv6_open(void);
68struct in6_addr *ipv6_linklocal(const char *);
69int ipv6_makeaddr(struct in6_addr *, const char *, const struct in6_addr *, int);
70int ipv6_mask(struct in6_addr *, int);
71int ipv6_prefixlen(const struct in6_addr *);
72int ipv6_remove_subnet(struct ra *, struct ipv6_addr *);
73void ipv6_build_routes(void);
74void ipv6_drop(struct interface *);
75
76#endif
77