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   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 1.2 2002-08-02 13:59:03 risso 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 #ifndef __MINGW32__
  31 #include <ws2tcpip.h>
  32 #endif /* __MINGW32__ */
  33
  34 #define IN_MULTICAST(a)         IN_CLASSD(a)
  35
  36 #define IN_EXPERIMENTAL(a)      ((((u_int32_t) (a)) & 0xe0000000) == 0xe0000000)
  37
  38 #define IN_LOOPBACKNET          127
  39
  40 #ifdef __MINGW32__
  41 /* IPv6 address */
  42 struct 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 #ifdef __MINGW32__
  62 typedef unsigned short  sa_family_t;
  63
  64 #define __SOCKADDR_COMMON(sa_prefix) \
  65   sa_family_t sa_prefix##family
  66
  67 /* Ditto, for IPv6.  */
  68 struct sockaddr_in6
  69   {
  70     __SOCKADDR_COMMON (sin6_);
  71     u_int16_t sin6_port;                /* Transport layer port # */
  72     u_int32_t sin6_flowinfo;    /* IPv6 flow information */
  73     struct in6_addr sin6_addr;  /* IPv6 address */
  74   };
  75
  76 #define IN6_IS_ADDR_V4MAPPED(a) \
  77         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
  78          (((u_int32_t *) (a))[2] == htonl (0xffff)))
  79
  80 #define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
  81
  82 #define IN6_IS_ADDR_LINKLOCAL(a) \
  83         ((((u_int32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
  84
  85 #define IN6_IS_ADDR_LOOPBACK(a) \
  86         (((u_int32_t *) (a))[0] == 0 && ((u_int32_t *) (a))[1] == 0 && \
  87          ((u_int32_t *) (a))[2] == 0 && ((u_int32_t *) (a))[3] == htonl (1))
  88 #endif /* __MINGW32__ */
  89
  90 #define ip6_vfc   ip6_ctlun.ip6_un2_vfc
  91 #define ip6_flow  ip6_ctlun.ip6_un1.ip6_un1_flow
  92 #define ip6_plen  ip6_ctlun.ip6_un1.ip6_un1_plen
  93 #define ip6_nxt   ip6_ctlun.ip6_un1.ip6_un1_nxt
  94 #define ip6_hlim  ip6_ctlun.ip6_un1.ip6_un1_hlim
  95 #define ip6_hops  ip6_ctlun.ip6_un1.ip6_un1_hlim
  96
  97 #define nd_rd_type               nd_rd_hdr.icmp6_type
  98 #define nd_rd_code               nd_rd_hdr.icmp6_code
  99 #define nd_rd_cksum              nd_rd_hdr.icmp6_cksum
 100 #define nd_rd_reserved           nd_rd_hdr.icmp6_data32[0]
 101
 102 /*
 103  *      IPV6 extension headers
 104  */
 105 #define IPPROTO_HOPOPTS         0       /* IPv6 hop-by-hop options      */
 106 #define IPPROTO_IPV6            41  /* IPv6 header.  */
 107 #define IPPROTO_ROUTING         43      /* IPv6 routing header          */
 108 #define IPPROTO_FRAGMENT        44      /* IPv6 fragmentation header    */
 109 #define IPPROTO_ESP             50      /* encapsulating security payload */
 110 #define IPPROTO_AH              51      /* authentication header        */
 111 #define IPPROTO_ICMPV6          58      /* ICMPv6                       */
 112 #define IPPROTO_NONE            59      /* IPv6 no next header          */
 113 #define IPPROTO_DSTOPTS         60      /* IPv6 destination options     */
 114 #define IPPROTO_PIM                     103 /* Protocol Independent Multicast.  */
 115
 116 #define  IPV6_RTHDR_TYPE_0 0
 117
 118 /* Option types and related macros */
 119 #define IP6OPT_PAD1             0x00    /* 00 0 00000 */
 120 #define IP6OPT_PADN             0x01    /* 00 0 00001 */
 121 #define IP6OPT_JUMBO            0xC2    /* 11 0 00010 = 194 */
 122 #define IP6OPT_JUMBO_LEN        6
 123 #define IP6OPT_ROUTER_ALERT     0x05    /* 00 0 00101 */
 124
 125 #define IP6OPT_RTALERT_LEN      4
 126 #define IP6OPT_RTALERT_MLD      0       /* Datagram contains an MLD message */
 127 #define IP6OPT_RTALERT_RSVP     1       /* Datagram contains an RSVP message */
 128 #define IP6OPT_RTALERT_ACTNET   2       /* contains an Active Networks msg */
 129 #define IP6OPT_MINLEN           2
 130
 131 #define IP6OPT_BINDING_UPDATE   0xc6    /* 11 0 00110 */
 132 #define IP6OPT_BINDING_ACK      0x07    /* 00 0 00111 */
 133 #define IP6OPT_BINDING_REQ      0x08    /* 00 0 01000 */
 134 #define IP6OPT_HOME_ADDRESS     0xc9    /* 11 0 01001 */
 135 #define IP6OPT_EID              0x8a    /* 10 0 01010 */
 136
 137 #define IP6OPT_TYPE(o)          ((o) & 0xC0)
 138 #define IP6OPT_TYPE_SKIP        0x00
 139 #define IP6OPT_TYPE_DISCARD     0x40
 140 #define IP6OPT_TYPE_FORCEICMP   0x80
 141 #define IP6OPT_TYPE_ICMP        0xC0
 142
 143 #define IP6OPT_MUTABLE          0x20
 144
 145
 146 #ifdef __MINGW32__
 147 #ifndef EAI_ADDRFAMILY
 148 struct addrinfo {
 149         int     ai_flags;       /* AI_PASSIVE, AI_CANONNAME */
 150         int     ai_family;      /* PF_xxx */
 151         int     ai_socktype;    /* SOCK_xxx */
 152         int     ai_protocol;    /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
 153         size_t  ai_addrlen;     /* length of ai_addr */
 154         char    *ai_canonname;  /* canonical name for hostname */
 155         struct sockaddr *ai_addr;       /* binary address */
 156         struct addrinfo *ai_next;       /* next structure in linked list */
 157 };
 158 #endif
 159 #endif /* __MINGW32__ */