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Annotation of previous_trunk/src/slirp/tcpip.h, revision 1.1

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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