VirtualBox

source: vbox/trunk/src/VBox/Devices/Network/slirp/tcpip.h@ 45322

Last change on this file since 45322 was 28800, checked in by vboxsync, 15 years ago

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1/* $Id: tcpip.h 28800 2010-04-27 08:22:32Z vboxsync $ */
2/** @file
3 * NAT - TCP/IP (declarations/defines).
4 */
5
6/*
7 * Copyright (C) 2006-2010 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18/*
19 * This code is based on:
20 *
21 * Copyright (c) 1982, 1986, 1993
22 * The Regents of the University of California. All rights reserved.
23 *
24 * Redistribution and use in source and binary forms, with or without
25 * modification, are permitted provided that the following conditions
26 * are met:
27 * 1. Redistributions of source code must retain the above copyright
28 * notice, this list of conditions and the following disclaimer.
29 * 2. Redistributions in binary form must reproduce the above copyright
30 * notice, this list of conditions and the following disclaimer in the
31 * documentation and/or other materials provided with the distribution.
32 * 3. All advertising materials mentioning features or use of this software
33 * must display the following acknowledgement:
34 * This product includes software developed by the University of
35 * California, Berkeley and its contributors.
36 * 4. Neither the name of the University nor the names of its contributors
37 * may be used to endorse or promote products derived from this software
38 * without specific prior written permission.
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * @(#)tcpip.h 8.1 (Berkeley) 6/10/93
53 * tcpip.h,v 1.3 1994/08/21 05:27:40 paul Exp
54 */
55
56#ifndef _TCPIP_H_
57#define _TCPIP_H_
58
59/*
60 * Tcp+ip header, after ip options removed.
61 */
62struct tcpiphdr
63{
64 struct ipovly ti_i; /* overlaid ip structure */
65 struct tcphdr ti_t; /* tcp header */
66};
67AssertCompileSize(struct tcpiphdr, 40);
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/*
87 * Just a clean way to get to the first byte
88 * of the packet
89 */
90struct tcpiphdr_2
91{
92 struct tcpiphdr dummy;
93 char first_char;
94};
95
96#endif
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