1/*
2 * Copyright (c) 1993, 1994, 1997
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 *
21 * @(#) $Header: /tcpdump/master/libpcap/Win32/Include/ip6_misc.h,v 1.5 2006-01-22 18:02:18 gianluca Exp $ (LBL)
22 */
23
24/*
25 * This file contains a collage of declarations for IPv6 from FreeBSD not present in Windows
26 */
27
28#include <winsock2.h>
29
30#include <ws2tcpip.h>
31
32#ifndef __MINGW32__
33#define	IN_MULTICAST(a)		IN_CLASSD(a)
34#endif
35
36#define	IN_EXPERIMENTAL(a)	((((u_int32_t) (a)) & 0xf0000000) == 0xf0000000)
37
38#define	IN_LOOPBACKNET		127
39
40#if defined(__MINGW32__) && defined(DEFINE_ADDITIONAL_IPV6_STUFF)
41/* IPv6 address */
42struct in6_addr
43  {
44    union
45      {
46	u_int8_t		u6_addr8[16];
47	u_int16_t	u6_addr16[8];
48	u_int32_t	u6_addr32[4];
49      } in6_u;
50#define s6_addr			in6_u.u6_addr8
51#define s6_addr16		in6_u.u6_addr16
52#define s6_addr32		in6_u.u6_addr32
53#define s6_addr64		in6_u.u6_addr64
54  };
55
56#define IN6ADDR_ANY_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
57#define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }
58#endif /* __MINGW32__ */
59
60
61#if (defined _MSC_VER) || (defined(__MINGW32__) && defined(DEFINE_ADDITIONAL_IPV6_STUFF))
62typedef unsigned short	sa_family_t;
63#endif
64
65
66#if defined(__MINGW32__) && defined(DEFINE_ADDITIONAL_IPV6_STUFF)
67
68#define	__SOCKADDR_COMMON(sa_prefix) \
69  sa_family_t sa_prefix##family
70
71/* Ditto, for IPv6.  */
72struct sockaddr_in6
73  {
74    __SOCKADDR_COMMON (sin6_);
75    u_int16_t sin6_port;		/* Transport layer port # */
76    u_int32_t sin6_flowinfo;	/* IPv6 flow information */
77    struct in6_addr sin6_addr;	/* IPv6 address */
78  };
79
80#define IN6_IS_ADDR_V4MAPPED(a) \
81	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
82	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
83
84#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
85
86#define IN6_IS_ADDR_LINKLOCAL(a) \
87	((((u_int32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
88
89#define IN6_IS_ADDR_LOOPBACK(a) \
90	(((u_int32_t *) (a))[0] == 0 && ((u_int32_t *) (a))[1] == 0 && \
91	 ((u_int32_t *) (a))[2] == 0 && ((u_int32_t *) (a))[3] == htonl (1))
92#endif /* __MINGW32__ */
93
94#define ip6_vfc   ip6_ctlun.ip6_un2_vfc
95#define ip6_flow  ip6_ctlun.ip6_un1.ip6_un1_flow
96#define ip6_plen  ip6_ctlun.ip6_un1.ip6_un1_plen
97#define ip6_nxt   ip6_ctlun.ip6_un1.ip6_un1_nxt
98#define ip6_hlim  ip6_ctlun.ip6_un1.ip6_un1_hlim
99#define ip6_hops  ip6_ctlun.ip6_un1.ip6_un1_hlim
100
101#define nd_rd_type               nd_rd_hdr.icmp6_type
102#define nd_rd_code               nd_rd_hdr.icmp6_code
103#define nd_rd_cksum              nd_rd_hdr.icmp6_cksum
104#define nd_rd_reserved           nd_rd_hdr.icmp6_data32[0]
105
106/*
107 *	IPV6 extension headers
108 */
109#define IPPROTO_HOPOPTS		0	/* IPv6 hop-by-hop options	*/
110#define IPPROTO_IPV6		41  /* IPv6 header.  */
111#define IPPROTO_ROUTING		43	/* IPv6 routing header		*/
112#define IPPROTO_FRAGMENT	44	/* IPv6 fragmentation header	*/
113#define IPPROTO_ESP		50	/* encapsulating security payload */
114#define IPPROTO_AH		51	/* authentication header	*/
115#define IPPROTO_ICMPV6		58	/* ICMPv6			*/
116#define IPPROTO_NONE		59	/* IPv6 no next header		*/
117#define IPPROTO_DSTOPTS		60	/* IPv6 destination options	*/
118#define IPPROTO_PIM			103 /* Protocol Independent Multicast.  */
119
120#define	 IPV6_RTHDR_TYPE_0 0
121
122/* Option types and related macros */
123#define IP6OPT_PAD1		0x00	/* 00 0 00000 */
124#define IP6OPT_PADN		0x01	/* 00 0 00001 */
125#define IP6OPT_JUMBO		0xC2	/* 11 0 00010 = 194 */
126#define IP6OPT_JUMBO_LEN	6
127#define IP6OPT_ROUTER_ALERT	0x05	/* 00 0 00101 */
128
129#define IP6OPT_RTALERT_LEN	4
130#define IP6OPT_RTALERT_MLD	0	/* Datagram contains an MLD message */
131#define IP6OPT_RTALERT_RSVP	1	/* Datagram contains an RSVP message */
132#define IP6OPT_RTALERT_ACTNET	2 	/* contains an Active Networks msg */
133#define IP6OPT_MINLEN		2
134
135#define IP6OPT_BINDING_UPDATE	0xc6	/* 11 0 00110 */
136#define IP6OPT_BINDING_ACK	0x07	/* 00 0 00111 */
137#define IP6OPT_BINDING_REQ	0x08	/* 00 0 01000 */
138#define IP6OPT_HOME_ADDRESS	0xc9	/* 11 0 01001 */
139#define IP6OPT_EID		0x8a	/* 10 0 01010 */
140
141#define IP6OPT_TYPE(o)		((o) & 0xC0)
142#define IP6OPT_TYPE_SKIP	0x00
143#define IP6OPT_TYPE_DISCARD	0x40
144#define IP6OPT_TYPE_FORCEICMP	0x80
145#define IP6OPT_TYPE_ICMP	0xC0
146
147#define IP6OPT_MUTABLE		0x20
148
149
150#if defined(__MINGW32__) && defined(DEFINE_ADDITIONAL_IPV6_STUFF)
151#ifndef EAI_ADDRFAMILY
152struct addrinfo {
153	int	ai_flags;	/* AI_PASSIVE, AI_CANONNAME */
154	int	ai_family;	/* PF_xxx */
155	int	ai_socktype;	/* SOCK_xxx */
156	int	ai_protocol;	/* 0 or IPPROTO_xxx for IPv4 and IPv6 */
157	size_t	ai_addrlen;	/* length of ai_addr */
158	char	*ai_canonname;	/* canonical name for hostname */
159	struct sockaddr *ai_addr;	/* binary address */
160	struct addrinfo *ai_next;	/* next structure in linked list */
161};
162#endif
163#endif /* __MINGW32__ */
164