xref: /freebsd/sys/netinet/tcpip.h (revision 29363fb446372cb3f10bc98664e9767c53fbb457)
1c398230bSWarner Losh /*-
2*51369649SPedro F. Giffuni  * SPDX-License-Identifier: BSD-3-Clause
3*51369649SPedro F. Giffuni  *
4df8bae1dSRodney W. Grimes  * Copyright (c) 1982, 1986, 1993
5df8bae1dSRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
6df8bae1dSRodney W. Grimes  *
7df8bae1dSRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
8df8bae1dSRodney W. Grimes  * modification, are permitted provided that the following conditions
9df8bae1dSRodney W. Grimes  * are met:
10df8bae1dSRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
11df8bae1dSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
12df8bae1dSRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
13df8bae1dSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
14df8bae1dSRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
15fbbd9655SWarner Losh  * 3. Neither the name of the University nor the names of its contributors
16df8bae1dSRodney W. Grimes  *    may be used to endorse or promote products derived from this software
17df8bae1dSRodney W. Grimes  *    without specific prior written permission.
18df8bae1dSRodney W. Grimes  *
19df8bae1dSRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20df8bae1dSRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21df8bae1dSRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22df8bae1dSRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23df8bae1dSRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24df8bae1dSRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25df8bae1dSRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26df8bae1dSRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27df8bae1dSRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28df8bae1dSRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29df8bae1dSRodney W. Grimes  * SUCH DAMAGE.
30df8bae1dSRodney W. Grimes  */
31df8bae1dSRodney W. Grimes 
32707f139eSPaul Richards #ifndef _NETINET_TCPIP_H_
33707f139eSPaul Richards #define _NETINET_TCPIP_H_
34707f139eSPaul Richards 
35df8bae1dSRodney W. Grimes /*
36df8bae1dSRodney W. Grimes  * Tcp+ip header, after ip options removed.
37df8bae1dSRodney W. Grimes  */
38df8bae1dSRodney W. Grimes struct tcpiphdr {
39df8bae1dSRodney W. Grimes 	struct	ipovly ti_i;		/* overlaid ip structure */
40df8bae1dSRodney W. Grimes 	struct	tcphdr ti_t;		/* tcp header */
41df8bae1dSRodney W. Grimes };
42df8bae1dSRodney W. Grimes #define	ti_x1		ti_i.ih_x1
43df8bae1dSRodney W. Grimes #define	ti_pr		ti_i.ih_pr
44df8bae1dSRodney W. Grimes #define	ti_len		ti_i.ih_len
45df8bae1dSRodney W. Grimes #define	ti_src		ti_i.ih_src
46df8bae1dSRodney W. Grimes #define	ti_dst		ti_i.ih_dst
47df8bae1dSRodney W. Grimes #define	ti_sport	ti_t.th_sport
48df8bae1dSRodney W. Grimes #define	ti_dport	ti_t.th_dport
49df8bae1dSRodney W. Grimes #define	ti_seq		ti_t.th_seq
50df8bae1dSRodney W. Grimes #define	ti_ack		ti_t.th_ack
51df8bae1dSRodney W. Grimes #define	ti_x2		ti_t.th_x2
52df8bae1dSRodney W. Grimes #define	ti_off		ti_t.th_off
53df8bae1dSRodney W. Grimes #define	ti_flags	ti_t.th_flags
54df8bae1dSRodney W. Grimes #define	ti_win		ti_t.th_win
55df8bae1dSRodney W. Grimes #define	ti_sum		ti_t.th_sum
56df8bae1dSRodney W. Grimes #define	ti_urp		ti_t.th_urp
57707f139eSPaul Richards 
58707f139eSPaul Richards #endif
59