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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 1.5 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 #ifndef __MINGW32__
  31 #include <ws2tcpip.h>
  32 #endif /* __MINGW32__ */
  33
  34 #ifndef __MINGW32__
  35 #define IN_MULTICAST(a)         IN_CLASSD(a)
  36 #endif
  37
  38 #define IN_EXPERIMENTAL(a)      ((((u_int32_t) (a)) & 0xf0000000) == 0xf0000000)
  39
  40 #define IN_LOOPBACKNET          127
  41
  42 #ifdef __MINGW32__
  43 /* IPv6 address */
  44 struct in6_addr
  45   {
  46     union
  47       {
  48         u_int8_t                u6_addr8[16];
  49         u_int16_t       u6_addr16[8];
  50         u_int32_t       u6_addr32[4];
  51       } in6_u;
  52 #define s6_addr                 in6_u.u6_addr8
  53 #define s6_addr16               in6_u.u6_addr16
  54 #define s6_addr32               in6_u.u6_addr32
  55 #define s6_addr64               in6_u.u6_addr64
  56   };
  57
  58 #define IN6ADDR_ANY_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
  59 #define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }
  60 #endif /* __MINGW32__ */
  61
  62
  63 #if (defined WIN32) || (defined __MINGW32__)
  64 typedef unsigned short  sa_family_t;
  65 #endif
  66
  67
  68 #ifdef __MINGW32__
  69
  70 #define __SOCKADDR_COMMON(sa_prefix) \
  71   sa_family_t sa_prefix##family
  72
  73 /* Ditto, for IPv6.  */
  74 struct sockaddr_in6
  75   {
  76     __SOCKADDR_COMMON (sin6_);
  77     u_int16_t sin6_port;                /* Transport layer port # */
  78     u_int32_t sin6_flowinfo;    /* IPv6 flow information */
  79     struct in6_addr sin6_addr;  /* IPv6 address */
  80   };
  81
  82 #define IN6_IS_ADDR_V4MAPPED(a) \
  83         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
  84          (((u_int32_t *) (a))[2] == htonl (0xffff)))
  85
  86 #define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
  87
  88 #define IN6_IS_ADDR_LINKLOCAL(a) \
  89         ((((u_int32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
  90
  91 #define IN6_IS_ADDR_LOOPBACK(a) \
  92         (((u_int32_t *) (a))[0] == 0 && ((u_int32_t *) (a))[1] == 0 && \
  93          ((u_int32_t *) (a))[2] == 0 && ((u_int32_t *) (a))[3] == htonl (1))
  94 #endif /* __MINGW32__ */
  95
  96 #define ip6_vfc   ip6_ctlun.ip6_un2_vfc
  97 #define ip6_flow  ip6_ctlun.ip6_un1.ip6_un1_flow
  98 #define ip6_plen  ip6_ctlun.ip6_un1.ip6_un1_plen
  99 #define ip6_nxt   ip6_ctlun.ip6_un1.ip6_un1_nxt
 100 #define ip6_hlim  ip6_ctlun.ip6_un1.ip6_un1_hlim
 101 #define ip6_hops  ip6_ctlun.ip6_un1.ip6_un1_hlim
 102
 103 #define nd_rd_type               nd_rd_hdr.icmp6_type
 104 #define nd_rd_code               nd_rd_hdr.icmp6_code
 105 #define nd_rd_cksum              nd_rd_hdr.icmp6_cksum
 106 #define nd_rd_reserved           nd_rd_hdr.icmp6_data32[0]
 107
 108 /*
 109  *      IPV6 extension headers
 110  */
 111 #define IPPROTO_HOPOPTS         0       /* IPv6 hop-by-hop options      */
 112 #define IPPROTO_IPV6            41  /* IPv6 header.  */
 113 #define IPPROTO_ROUTING         43      /* IPv6 routing header          */
 114 #define IPPROTO_FRAGMENT        44      /* IPv6 fragmentation header    */
 115 #define IPPROTO_ESP             50      /* encapsulating security payload */
 116 #define IPPROTO_AH              51      /* authentication header        */
 117 #define IPPROTO_ICMPV6          58      /* ICMPv6                       */
 118 #define IPPROTO_NONE            59      /* IPv6 no next header          */
 119 #define IPPROTO_DSTOPTS         60      /* IPv6 destination options     */
 120 #define IPPROTO_PIM                     103 /* Protocol Independent Multicast.  */
 121
 122 #define  IPV6_RTHDR_TYPE_0 0
 123
 124 /* Option types and related macros */
 125 #define IP6OPT_PAD1             0x00    /* 00 0 00000 */
 126 #define IP6OPT_PADN             0x01    /* 00 0 00001 */
 127 #define IP6OPT_JUMBO            0xC2    /* 11 0 00010 = 194 */
 128 #define IP6OPT_JUMBO_LEN        6
 129 #define IP6OPT_ROUTER_ALERT     0x05    /* 00 0 00101 */
 130
 131 #define IP6OPT_RTALERT_LEN      4
 132 #define IP6OPT_RTALERT_MLD      0       /* Datagram contains an MLD message */
 133 #define IP6OPT_RTALERT_RSVP     1       /* Datagram contains an RSVP message */
 134 #define IP6OPT_RTALERT_ACTNET   2       /* contains an Active Networks msg */
 135 #define IP6OPT_MINLEN           2
 136
 137 #define IP6OPT_BINDING_UPDATE   0xc6    /* 11 0 00110 */
 138 #define IP6OPT_BINDING_ACK      0x07    /* 00 0 00111 */
 139 #define IP6OPT_BINDING_REQ      0x08    /* 00 0 01000 */
 140 #define IP6OPT_HOME_ADDRESS     0xc9    /* 11 0 01001 */
 141 #define IP6OPT_EID              0x8a    /* 10 0 01010 */
 142
 143 #define IP6OPT_TYPE(o)          ((o) & 0xC0)
 144 #define IP6OPT_TYPE_SKIP        0x00
 145 #define IP6OPT_TYPE_DISCARD     0x40
 146 #define IP6OPT_TYPE_FORCEICMP   0x80
 147 #define IP6OPT_TYPE_ICMP        0xC0
 148
 149 #define IP6OPT_MUTABLE          0x20
 150
 151
 152 #ifdef __MINGW32__
 153 #ifndef EAI_ADDRFAMILY
 154 struct addrinfo {
 155         int     ai_flags;       /* AI_PASSIVE, AI_CANONNAME */
 156         int     ai_family;      /* PF_xxx */
 157         int     ai_socktype;    /* SOCK_xxx */
 158         int     ai_protocol;    /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
 159         size_t  ai_addrlen;     /* length of ai_addr */
 160         char    *ai_canonname;  /* canonical name for hostname */
 161         struct sockaddr *ai_addr;       /* binary address */
 162         struct addrinfo *ai_next;       /* next structure in linked list */
 163 };
 164 #endif
 165 #endif /* __MINGW32__ */