tcpip.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
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 * 4. 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 * $FreeBSD: stable/11/sys/netinet/tcpip.h 330897 2018-03-14 03:19:51Z eadler $
33 */
34
35#ifndef _NETINET_TCPIP_H_
36#define _NETINET_TCPIP_H_
37
38/*
39 * Tcp+ip header, after ip options removed.
40 */
41struct tcpiphdr {
42	struct	ipovly ti_i;		/* overlaid ip structure */
43	struct	tcphdr ti_t;		/* tcp header */
44};
45#define	ti_x1		ti_i.ih_x1
46#define	ti_pr		ti_i.ih_pr
47#define	ti_len		ti_i.ih_len
48#define	ti_src		ti_i.ih_src
49#define	ti_dst		ti_i.ih_dst
50#define	ti_sport	ti_t.th_sport
51#define	ti_dport	ti_t.th_dport
52#define	ti_seq		ti_t.th_seq
53#define	ti_ack		ti_t.th_ack
54#define	ti_x2		ti_t.th_x2
55#define	ti_off		ti_t.th_off
56#define	ti_flags	ti_t.th_flags
57#define	ti_win		ti_t.th_win
58#define	ti_sum		ti_t.th_sum
59#define	ti_urp		ti_t.th_urp
60
61#endif
62