/*

 * Copyright (c) 1993, 1994, 1997

 *	The Regents of the University of California.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that: (1) source code distributions

 * retain the above copyright notice and this paragraph in its entirety, (2)

 * distributions including binary code include the above copyright notice and

 * this paragraph in its entirety in the documentation or other materials

 * provided with the distribution, and (3) all advertising materials mentioning

 * features or use of this software display the following acknowledgement:

 * ``This product includes software developed by the University of California,

 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of

 * the University nor the names of its contributors may be used to endorse

 * or promote products derived from this software without specific prior

 * written permission.

 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED

 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

 *

 * @(#) $Header: /tcpdump/master/libpcap/Win32/Include/ip6_misc.h,v 1.4.2.1 2006/01/22 18:13:47 gianluca Exp $ (LBL)

 */

/*

 * This file contains a collage of declarations for IPv6 from FreeBSD not present in Windows

 */

#include <winsock2.h>

#ifndef __MINGW32__

#include <ws2tcpip.h>

#endif /* __MINGW32__ */

#ifndef __MINGW32__

#define	IN_MULTICAST(a)		IN_CLASSD(a)

#endif

#define	IN_EXPERIMENTAL(a)	((((u_int32_t) (a)) & 0xf0000000) == 0xf0000000)

#define	IN_LOOPBACKNET		127

#ifdef __MINGW32__

/* IPv6 address */

struct in6_addr

  {

    union

      {

	u_int8_t		u6_addr8[16];

	u_int16_t	u6_addr16[8];

	u_int32_t	u6_addr32[4];

      } in6_u;

#define s6_addr			in6_u.u6_addr8

#define s6_addr16		in6_u.u6_addr16

#define s6_addr32		in6_u.u6_addr32

#define s6_addr64		in6_u.u6_addr64

  };

#define IN6ADDR_ANY_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }

#define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }

#endif /* __MINGW32__ */

#if (defined WIN32) || (defined __MINGW32__)

typedef unsigned short	sa_family_t;

#endif

#ifdef __MINGW32__

#define	__SOCKADDR_COMMON(sa_prefix) \

  sa_family_t sa_prefix##family

/* Ditto, for IPv6.  */

struct sockaddr_in6

  {

    __SOCKADDR_COMMON (sin6_);

    u_int16_t sin6_port;		/* Transport layer port # */

    u_int32_t sin6_flowinfo;	/* IPv6 flow information */

    struct in6_addr sin6_addr;	/* IPv6 address */

  };

#define IN6_IS_ADDR_V4MAPPED(a) \

	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \

	 (((u_int32_t *) (a))[2] == htonl (0xffff)))

#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)

#define IN6_IS_ADDR_LINKLOCAL(a) \

	((((u_int32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))

#define IN6_IS_ADDR_LOOPBACK(a) \

	(((u_int32_t *) (a))[0] == 0 && ((u_int32_t *) (a))[1] == 0 && \

	 ((u_int32_t *) (a))[2] == 0 && ((u_int32_t *) (a))[3] == htonl (1))

#endif /* __MINGW32__ */

#define ip6_vfc   ip6_ctlun.ip6_un2_vfc

#define ip6_flow  ip6_ctlun.ip6_un1.ip6_un1_flow

#define ip6_plen  ip6_ctlun.ip6_un1.ip6_un1_plen

#define ip6_nxt   ip6_ctlun.ip6_un1.ip6_un1_nxt

#define ip6_hlim  ip6_ctlun.ip6_un1.ip6_un1_hlim

#define ip6_hops  ip6_ctlun.ip6_un1.ip6_un1_hlim

#define nd_rd_type               nd_rd_hdr.icmp6_type

#define nd_rd_code               nd_rd_hdr.icmp6_code

#define nd_rd_cksum              nd_rd_hdr.icmp6_cksum

#define nd_rd_reserved           nd_rd_hdr.icmp6_data32[0]

/*

 *	IPV6 extension headers

 */

#define IPPROTO_HOPOPTS		0	/* IPv6 hop-by-hop options	*/

#define IPPROTO_IPV6		41  /* IPv6 header.  */

#define IPPROTO_ROUTING		43	/* IPv6 routing header		*/

#define IPPROTO_FRAGMENT	44	/* IPv6 fragmentation header	*/

#define IPPROTO_ESP		50	/* encapsulating security payload */

#define IPPROTO_AH		51	/* authentication header	*/

#define IPPROTO_ICMPV6		58	/* ICMPv6			*/

#define IPPROTO_NONE		59	/* IPv6 no next header		*/

#define IPPROTO_DSTOPTS		60	/* IPv6 destination options	*/

#define IPPROTO_PIM			103 /* Protocol Independent Multicast.  */

#define	 IPV6_RTHDR_TYPE_0 0

/* Option types and related macros */

#define IP6OPT_PAD1		0x00	/* 00 0 00000 */

#define IP6OPT_PADN		0x01	/* 00 0 00001 */

#define IP6OPT_JUMBO		0xC2	/* 11 0 00010 = 194 */

#define IP6OPT_JUMBO_LEN	6

#define IP6OPT_ROUTER_ALERT	0x05	/* 00 0 00101 */

#define IP6OPT_RTALERT_LEN	4

#define IP6OPT_RTALERT_MLD	0	/* Datagram contains an MLD message */

#define IP6OPT_RTALERT_RSVP	1	/* Datagram contains an RSVP message */

#define IP6OPT_RTALERT_ACTNET	2 	/* contains an Active Networks msg */

#define IP6OPT_MINLEN		2

#define IP6OPT_BINDING_UPDATE	0xc6	/* 11 0 00110 */

#define IP6OPT_BINDING_ACK	0x07	/* 00 0 00111 */

#define IP6OPT_BINDING_REQ	0x08	/* 00 0 01000 */

#define IP6OPT_HOME_ADDRESS	0xc9	/* 11 0 01001 */

#define IP6OPT_EID		0x8a	/* 10 0 01010 */

#define IP6OPT_TYPE(o)		((o) & 0xC0)

#define IP6OPT_TYPE_SKIP	0x00

#define IP6OPT_TYPE_DISCARD	0x40

#define IP6OPT_TYPE_FORCEICMP	0x80

#define IP6OPT_TYPE_ICMP	0xC0

#define IP6OPT_MUTABLE		0x20

#ifdef __MINGW32__

#ifndef EAI_ADDRFAMILY

struct addrinfo {

	int	ai_flags;	/* AI_PASSIVE, AI_CANONNAME */

	int	ai_family;	/* PF_xxx */

	int	ai_socktype;	/* SOCK_xxx */

	int	ai_protocol;	/* 0 or IPPROTO_xxx for IPv4 and IPv6 */

	size_t	ai_addrlen;	/* length of ai_addr */

	char	*ai_canonname;	/* canonical name for hostname */

	struct sockaddr *ai_addr;	/* binary address */

	struct addrinfo *ai_next;	/* next structure in linked list */

};

#endif

#endif /* __MINGW32__ */