root / slirp / tcpip.h @ 44e4c0ba
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1 | f0cbd3ec | bellard | /*
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2 | f0cbd3ec | bellard | * Copyright (c) 1982, 1986, 1993
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3 | f0cbd3ec | bellard | * The Regents of the University of California. All rights reserved.
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4 | f0cbd3ec | bellard | *
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5 | f0cbd3ec | bellard | * Redistribution and use in source and binary forms, with or without
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6 | f0cbd3ec | bellard | * modification, are permitted provided that the following conditions
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7 | f0cbd3ec | bellard | * are met:
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8 | f0cbd3ec | bellard | * 1. Redistributions of source code must retain the above copyright
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9 | f0cbd3ec | bellard | * notice, this list of conditions and the following disclaimer.
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10 | f0cbd3ec | bellard | * 2. Redistributions in binary form must reproduce the above copyright
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11 | f0cbd3ec | bellard | * notice, this list of conditions and the following disclaimer in the
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12 | f0cbd3ec | bellard | * documentation and/or other materials provided with the distribution.
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13 | 2f5f8996 | aliguori | * 3. Neither the name of the University nor the names of its contributors
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14 | f0cbd3ec | bellard | * may be used to endorse or promote products derived from this software
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15 | f0cbd3ec | bellard | * without specific prior written permission.
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16 | f0cbd3ec | bellard | *
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17 | f0cbd3ec | bellard | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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18 | f0cbd3ec | bellard | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | f0cbd3ec | bellard | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | f0cbd3ec | bellard | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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21 | f0cbd3ec | bellard | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | f0cbd3ec | bellard | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | f0cbd3ec | bellard | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | f0cbd3ec | bellard | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | f0cbd3ec | bellard | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | f0cbd3ec | bellard | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | f0cbd3ec | bellard | * SUCH DAMAGE.
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28 | f0cbd3ec | bellard | *
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29 | f0cbd3ec | bellard | * @(#)tcpip.h 8.1 (Berkeley) 6/10/93
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30 | f0cbd3ec | bellard | * tcpip.h,v 1.3 1994/08/21 05:27:40 paul Exp
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31 | f0cbd3ec | bellard | */
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32 | f0cbd3ec | bellard | |
33 | f0cbd3ec | bellard | #ifndef _TCPIP_H_
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34 | f0cbd3ec | bellard | #define _TCPIP_H_
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35 | f0cbd3ec | bellard | |
36 | f0cbd3ec | bellard | /*
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37 | f0cbd3ec | bellard | * Tcp+ip header, after ip options removed.
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38 | f0cbd3ec | bellard | */
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39 | f0cbd3ec | bellard | struct tcpiphdr {
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40 | f0cbd3ec | bellard | struct ipovly ti_i; /* overlaid ip structure */ |
41 | f0cbd3ec | bellard | struct tcphdr ti_t; /* tcp header */ |
42 | f0cbd3ec | bellard | }; |
43 | 429d0a3d | blueswir1 | #define ti_mbuf ti_i.ih_mbuf.mptr
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44 | f0cbd3ec | bellard | #define ti_x1 ti_i.ih_x1
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45 | f0cbd3ec | bellard | #define ti_pr ti_i.ih_pr
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46 | f0cbd3ec | bellard | #define ti_len ti_i.ih_len
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47 | f0cbd3ec | bellard | #define ti_src ti_i.ih_src
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48 | f0cbd3ec | bellard | #define ti_dst ti_i.ih_dst
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49 | f0cbd3ec | bellard | #define ti_sport ti_t.th_sport
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50 | f0cbd3ec | bellard | #define ti_dport ti_t.th_dport
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51 | f0cbd3ec | bellard | #define ti_seq ti_t.th_seq
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52 | f0cbd3ec | bellard | #define ti_ack ti_t.th_ack
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53 | f0cbd3ec | bellard | #define ti_x2 ti_t.th_x2
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54 | f0cbd3ec | bellard | #define ti_off ti_t.th_off
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55 | f0cbd3ec | bellard | #define ti_flags ti_t.th_flags
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56 | f0cbd3ec | bellard | #define ti_win ti_t.th_win
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57 | f0cbd3ec | bellard | #define ti_sum ti_t.th_sum
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58 | f0cbd3ec | bellard | #define ti_urp ti_t.th_urp
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59 | f0cbd3ec | bellard | |
60 | 429d0a3d | blueswir1 | #define tcpiphdr2qlink(T) ((struct qlink*)(((char*)(T)) - sizeof(struct qlink))) |
61 | 429d0a3d | blueswir1 | #define qlink2tcpiphdr(Q) ((struct tcpiphdr*)(((char*)(Q)) + sizeof(struct qlink))) |
62 | 429d0a3d | blueswir1 | #define tcpiphdr_next(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->next)
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63 | 429d0a3d | blueswir1 | #define tcpiphdr_prev(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->prev)
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64 | 429d0a3d | blueswir1 | #define tcpfrag_list_first(T) qlink2tcpiphdr((T)->seg_next)
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65 | 429d0a3d | blueswir1 | #define tcpfrag_list_end(F, T) (tcpiphdr2qlink(F) == (struct qlink*)(T)) |
66 | 429d0a3d | blueswir1 | #define tcpfrag_list_empty(T) ((T)->seg_next == (struct tcpiphdr*)(T)) |
67 | 429d0a3d | blueswir1 | |
68 | f0cbd3ec | bellard | /*
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69 | f0cbd3ec | bellard | * Just a clean way to get to the first byte
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70 | f0cbd3ec | bellard | * of the packet
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71 | f0cbd3ec | bellard | */
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72 | f0cbd3ec | bellard | struct tcpiphdr_2 {
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73 | f0cbd3ec | bellard | struct tcpiphdr dummy;
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74 | f0cbd3ec | bellard | char first_char;
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75 | f0cbd3ec | bellard | }; |
76 | f0cbd3ec | bellard | |
77 | f0cbd3ec | bellard | #endif |