dist/ipf/ipsend/tcpip.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (c) 1982, 1986, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)tcpip.h     8.1 (Berkeley) 6/10/93
  32  * Id: tcpip.h,v 2.2.2.3 2004/05/26 15:45:48 darrenr Exp
  33  */
  34
  35 #ifndef _NETINET_TCPIP_H_
  36 #define _NETINET_TCPIP_H_
  37
  38 # if defined(linux) && !defined(LINUX_IPOVLY)
  39 #  define LINUX_IPOVLY
  40 struct ipovly {
  41         caddr_t ih_next, ih_prev;       /* for protocol sequence q's */
  42         u_char  ih_x1;                  /* (unused) */
  43         u_char  ih_pr;                  /* protocol */
  44         short   ih_len;                 /* protocol length */
  45         struct  in_addr ih_src;         /* source internet address */
  46         struct  in_addr ih_dst;         /* destination internet address */
  47 };
  48 # endif
  49
  50 /*
  51  * Tcp+ip header, after ip options removed.
  52  */
  53 struct tcpiphdr {
  54         struct  ipovly ti_i;            /* overlaid ip structure */
  55         struct  tcphdr ti_t;            /* tcp header */
  56 };
  57
  58 #ifdef notyet
  59 /*
  60  * Tcp+ip header, after ip options removed but including TCP options.
  61  */
  62 struct full_tcpiphdr {
  63         struct  ipovly ti_i;            /* overlaid ip structure */
  64         struct  tcphdr ti_t;            /* tcp header */
  65         char    ti_o[TCP_MAXOLEN];      /* space for tcp options */
  66 };
  67 #endif /* notyet */
  68 #define ti_next         ti_i.ih_next
  69 #define ti_prev         ti_i.ih_prev
  70 #define ti_x1           ti_i.ih_x1
  71 #define ti_pr           ti_i.ih_pr
  72 #define ti_len          ti_i.ih_len
  73 #define ti_src          ti_i.ih_src
  74 #define ti_dst          ti_i.ih_dst
  75 #define ti_sport        ti_t.th_sport
  76 #define ti_dport        ti_t.th_dport
  77 #define ti_seq          ti_t.th_seq
  78 #define ti_ack          ti_t.th_ack
  79 #define ti_x2           ti_t.th_x2
  80 #define ti_off          ti_t.th_off
  81 #define ti_flags        ti_t.th_flags
  82 #define ti_win          ti_t.th_win
  83 #define ti_sum          ti_t.th_sum
  84 #define ti_urp          ti_t.th_urp
  85
  86 #endif