bsd/netinet/tcpip.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1982, 1986, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  *
  26  * Redistribution and use in source and binary forms, with or without
  27  * modification, are permitted provided that the following conditions
  28  * are met:
  29  * 1. Redistributions of source code must retain the above copyright
  30  *    notice, this list of conditions and the following disclaimer.
  31  * 2. Redistributions in binary form must reproduce the above copyright
  32  *    notice, this list of conditions and the following disclaimer in the
  33  *    documentation and/or other materials provided with the distribution.
  34  * 3. All advertising materials mentioning features or use of this software
  35  *    must display the following acknowledgement:
  36  *      This product includes software developed by the University of
  37  *      California, Berkeley and its contributors.
  38  * 4. Neither the name of the University nor the names of its contributors
  39  *    may be used to endorse or promote products derived from this software
  40  *    without specific prior written permission.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  *
  54  *      @(#)tcpip.h     8.1 (Berkeley) 6/10/93
  55  */
  56
  57 #ifndef _NETINET_TCPIP_H_
  58 #define _NETINET_TCPIP_H_
  59
  60 /*
  61  * Tcp+ip header, after ip options removed.
  62  */
  63 struct tcpiphdr {
  64         struct  ipovly ti_i;            /* overlaid ip structure */
  65         struct  tcphdr ti_t;            /* tcp header */
  66 };
  67 #ifdef notyet
  68 /*
  69  * Tcp+ip header, after ip options removed but including TCP options.
  70  */
  71 struct full_tcpiphdr {
  72         struct  ipovly ti_i;            /* overlaid ip structure */
  73         struct  tcphdr ti_t;            /* tcp header */
  74         char    ti_o[TCP_MAXOLEN];      /* space for tcp options */
  75 };
  76 #endif /* notyet */
  77 #define ti_x1           ti_i.ih_x1
  78 #define ti_pr           ti_i.ih_pr
  79 #define ti_len          ti_i.ih_len
  80 #define ti_src          ti_i.ih_src
  81 #define ti_dst          ti_i.ih_dst
  82 #define ti_sport        ti_t.th_sport
  83 #define ti_dport        ti_t.th_dport
  84 #define ti_seq          ti_t.th_seq
  85 #define ti_ack          ti_t.th_ack
  86 #define ti_x2           ti_t.th_x2
  87 #define ti_off          ti_t.th_off
  88 #define ti_flags        ti_t.th_flags
  89 #define ti_win          ti_t.th_win
  90 #define ti_sum          ti_t.th_sum
  91 #define ti_urp          ti_t.th_urp
  92
  93 #ifndef INET6
  94 /*
  95  * Same for templates.
  96  */
  97 struct tcptemp {
  98         struct  ipovly tt_i;            /* overlaid ip structure */
  99         struct  tcphdr tt_t;            /* tcp header */
 100 };
 101 #define tt_x1           tt_i.ih_x1
 102 #define tt_pr           tt_i.ih_pr
 103 #define tt_len          tt_i.ih_len
 104 #define tt_src          tt_i.ih_src
 105 #define tt_dst          tt_i.ih_dst
 106 #define tt_sport        tt_t.th_sport
 107 #define tt_dport        tt_t.th_dport
 108 #define tt_off          tt_t.th_off
 109 #define tt_seq          tt_t.th_seq
 110 #define tt_ack          tt_t.th_ack
 111 #define tt_x2           tt_t.th_x2
 112 #define tt_flags        tt_t.th_flags
 113 #define tt_win          tt_t.th_win
 114 #define tt_sum          tt_t.th_sum
 115 #define tt_urp          tt_t.th_urp
 116 #else
 117
 118 #define ip6tcp          tcpip6hdr       /* for KAME src sync over BSD*'s */
 119
 120 /*
 121  * IPv6+TCP headers.
 122  */
 123 struct tcpip6hdr {
 124         struct  ip6_hdr ti6_i;          /* IPv6 header */
 125         struct  tcphdr ti6_t;           /* TCP header */
 126 };
 127 #define ti6_vfc         ti6_i.ip6_vfc
 128 #define ti6_flow        ti6_i.ip6_vlow
 129 #define ti6_plen        ti6_i.ip6_plen
 130 #define ti6_nxt         ti6_i.ip6_nxt
 131 #define ti6_hlim        ti6_i.ip6_hlim
 132 #define ti6_src         ti6_i.ip6_src
 133 #define ti6_dst         ti6_i.ip6_dst
 134 #define ti6_sport       ti6_t.th_sport
 135 #define ti6_dport       ti6_t.th_dport
 136 #define ti6_seq         ti6_t.th_seq
 137 #define ti6_ack         ti6_t.th_ack
 138 #define ti6_x2          ti6_t.th_x2
 139 #define ti6_off         ti6_t.th_off
 140 #define ti6_flags       ti6_t.th_flags
 141 #define ti6_win         ti6_t.th_win
 142 #define ti6_sum         ti6_t.th_sum
 143 #define ti6_urp         ti6_t.th_urp
 144
 145 /*
 146  * Dual template for IPv4/IPv6 TCP.
 147  *
 148  * Optimized for IPv4
 149  */
 150 struct tcptemp {
 151         struct  ipovly tt_i;            /* overlaid ip structure */
 152         struct  tcphdr tt_t;            /* tcp header */
 153         struct  ip6_hdr tt_i6;          /* IPv6 header */
 154 };
 155 #define tt_x1           tt_i.ih_x1
 156 #define tt_pr           tt_i.ih_pr
 157 #define tt_len          tt_i.ih_len
 158 #define tt_src          tt_i.ih_src
 159 #define tt_dst          tt_i.ih_dst
 160 #define tt_sport        tt_t.th_sport
 161 #define tt_dport        tt_t.th_dport
 162 #define tt_off          tt_t.th_off
 163 #define tt_seq          tt_t.th_seq
 164 #define tt_ack          tt_t.th_ack
 165 #define tt_x2           tt_t.th_x2
 166 #define tt_flags        tt_t.th_flags
 167 #define tt_win          tt_t.th_win
 168 #define tt_sum          tt_t.th_sum
 169 #define tt_urp          tt_t.th_urp
 170 #define tt_vfc          tt_i6.ip6_vfc
 171 #define tt_flow         tt_i6.ip6_flow
 172 #define tt_pr6          tt_i6.ip6_nxt
 173 #define tt_len6         tt_i6.ip6_plen
 174 #define tt_src6         tt_i6.ip6_src
 175 #define tt_dst6         tt_i6.ip6_dst
 176 #endif
 177
 178 #endif