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 * 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 * $FreeBSD$ 33 */ 34 35 #ifndef _NETINET_TCPIP_H_ 36 #define _NETINET_TCPIP_H_ 37 38 /* 39 * Tcp+ip header, after ip options removed. 40 */ 41 struct 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