contrib/ipfilter/ipsend/tcpip.h

   1 /*
   2  * Copyright (c) 1982, 1986, 1993
   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 the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)tcpip.h     8.1 (Berkeley) 6/10/93
  34  * $Id: tcpip.h,v 2.1 1999/08/04 17:31:16 darrenr Exp $
  35  */
  36
  37 #ifndef _NETINET_TCPIP_H_
  38 #define _NETINET_TCPIP_H_
  39
  40 # if defined(linux) && !defined(LINUX_IPOVLY)
  41 #  define LINUX_IPOVLY
  42 struct ipovly {
  43         caddr_t ih_next, ih_prev;       /* for protocol sequence q's */
  44         u_char  ih_x1;                  /* (unused) */
  45         u_char  ih_pr;                  /* protocol */
  46         short   ih_len;                 /* protocol length */
  47         struct  in_addr ih_src;         /* source internet address */
  48         struct  in_addr ih_dst;         /* destination internet address */
  49 };
  50 # endif
  51
  52 /*
  53  * Tcp+ip header, after ip options removed.
  54  */
  55 struct tcpiphdr {
  56         struct  ipovly ti_i;            /* overlaid ip structure */
  57 #ifdef  linux
  58         tcphdr_t        ti_t;
  59 #else
  60         struct  tcphdr ti_t;            /* tcp header */
  61 #endif
  62 };
  63 #ifdef notyet
  64 /*
  65  * Tcp+ip header, after ip options removed but including TCP options.
  66  */
  67 struct full_tcpiphdr {
  68         struct  ipovly ti_i;            /* overlaid ip structure */
  69         struct  tcphdr ti_t;            /* tcp header */
  70         char    ti_o[TCP_MAXOLEN];      /* space for tcp options */
  71 };
  72 #endif /* notyet */
  73 #define ti_next         ti_i.ih_next
  74 #define ti_prev         ti_i.ih_prev
  75 #define ti_x1           ti_i.ih_x1
  76 #define ti_pr           ti_i.ih_pr
  77 #define ti_len          ti_i.ih_len
  78 #define ti_src          ti_i.ih_src
  79 #define ti_dst          ti_i.ih_dst
  80 #define ti_sport        ti_t.th_sport
  81 #define ti_dport        ti_t.th_dport
  82 #define ti_seq          ti_t.th_seq
  83 #define ti_ack          ti_t.th_ack
  84 #define ti_x2           ti_t.th_x2
  85 #define ti_off          ti_t.th_off
  86 #define ti_flags        ti_t.th_flags
  87 #define ti_win          ti_t.th_win
  88 #define ti_sum          ti_t.th_sum
  89 #define ti_urp          ti_t.th_urp
  90
  91 #endif