1 /* $NetBSD: tcpip.h,v 1.1 2012/03/24 02:08:34 christos Exp $ */ 2 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 * Id: tcpip.h,v 2.2.2.3 2004/05/26 15:45:48 darrenr Exp 33 */ 34 35 #ifndef _NETINET_TCPIP_H_ 36 #define _NETINET_TCPIP_H_ 37 38 # if defined(linux) && !defined(LINUX_IPOVLY) 39 # define LINUX_IPOVLY 40 struct ipovly { 41 caddr_t ih_next, ih_prev; /* for protocol sequence q's */ 42 u_char ih_x1; /* (unused) */ 43 u_char ih_pr; /* protocol */ 44 short ih_len; /* protocol length */ 45 struct in_addr ih_src; /* source internet address */ 46 struct in_addr ih_dst; /* destination internet address */ 47 }; 48 # endif 49 50 /* 51 * Tcp+ip header, after ip options removed. 52 */ 53 struct tcpiphdr { 54 struct ipovly ti_i; /* overlaid ip structure */ 55 struct tcphdr ti_t; /* tcp header */ 56 }; 57 58 #ifdef notyet 59 /* 60 * Tcp+ip header, after ip options removed but including TCP options. 61 */ 62 struct full_tcpiphdr { 63 struct ipovly ti_i; /* overlaid ip structure */ 64 struct tcphdr ti_t; /* tcp header */ 65 char ti_o[TCP_MAXOLEN]; /* space for tcp options */ 66 }; 67 #endif /* notyet */ 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 #endif 87