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1.1 ! root 1: /* ! 2: * Copyright (c) 1982, 1986, 1993 ! 3: * The Regents of the University of California. All rights reserved. ! 4: * ! 5: * Redistribution and use in source and binary forms, with or without ! 6: * modification, are permitted provided that the following conditions ! 7: * are met: ! 8: * 1. Redistributions of source code must retain the above copyright ! 9: * notice, this list of conditions and the following disclaimer. ! 10: * 2. Redistributions in binary form must reproduce the above copyright ! 11: * notice, this list of conditions and the following disclaimer in the ! 12: * documentation and/or other materials provided with the distribution. ! 13: * 3. Neither the name of the University nor the names of its contributors ! 14: * may be used to endorse or promote products derived from this software ! 15: * without specific prior written permission. ! 16: * ! 17: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ! 18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ! 19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ! 20: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE ! 21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL ! 22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS ! 23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ! 24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ! 25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY ! 26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF ! 27: * SUCH DAMAGE. ! 28: * ! 29: * @(#)tcpip.h 8.1 (Berkeley) 6/10/93 ! 30: * tcpip.h,v 1.3 1994/08/21 05:27:40 paul Exp ! 31: */ ! 32: ! 33: #ifndef _TCPIP_H_ ! 34: #define _TCPIP_H_ ! 35: ! 36: /* ! 37: * Tcp+ip header, after ip options removed. ! 38: */ ! 39: struct tcpiphdr { ! 40: struct ipovly ti_i; /* overlaid ip structure */ ! 41: struct tcphdr ti_t; /* tcp header */ ! 42: }; ! 43: #define ti_mbuf ti_i.ih_mbuf.mptr ! 44: #define ti_x1 ti_i.ih_x1 ! 45: #define ti_pr ti_i.ih_pr ! 46: #define ti_len ti_i.ih_len ! 47: #define ti_src ti_i.ih_src ! 48: #define ti_dst ti_i.ih_dst ! 49: #define ti_sport ti_t.th_sport ! 50: #define ti_dport ti_t.th_dport ! 51: #define ti_seq ti_t.th_seq ! 52: #define ti_ack ti_t.th_ack ! 53: #define ti_x2 ti_t.th_x2 ! 54: #define ti_off ti_t.th_off ! 55: #define ti_flags ti_t.th_flags ! 56: #define ti_win ti_t.th_win ! 57: #define ti_sum ti_t.th_sum ! 58: #define ti_urp ti_t.th_urp ! 59: ! 60: #define tcpiphdr2qlink(T) ((struct qlink*)(((char*)(T)) - sizeof(struct qlink))) ! 61: #define qlink2tcpiphdr(Q) ((struct tcpiphdr*)(((char*)(Q)) + sizeof(struct qlink))) ! 62: #define tcpiphdr_next(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->next) ! 63: #define tcpiphdr_prev(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->prev) ! 64: #define tcpfrag_list_first(T) qlink2tcpiphdr((T)->seg_next) ! 65: #define tcpfrag_list_end(F, T) (tcpiphdr2qlink(F) == (struct qlink*)(T)) ! 66: #define tcpfrag_list_empty(T) ((T)->seg_next == (struct tcpiphdr*)(T)) ! 67: ! 68: /* ! 69: * Just a clean way to get to the first byte ! 70: * of the packet ! 71: */ ! 72: struct tcpiphdr_2 { ! 73: struct tcpiphdr dummy; ! 74: char first_char; ! 75: }; ! 76: ! 77: #endif
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