root / lab4 / .minix-src / include / netinet / if_ether.h @ 14
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1 | 13 | up20180614 | /* $NetBSD: if_ether.h,v 1.34 2007/12/25 18:33:46 perry Exp $ */
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2 | |||
3 | /*
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4 | * Copyright (c) 1982, 1986, 1993
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5 | * The Regents of the University of California. All rights reserved.
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6 | *
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7 | * Redistribution and use in source and binary forms, with or without
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8 | * modification, are permitted provided that the following conditions
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9 | * are met:
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10 | * 1. Redistributions of source code must retain the above copyright
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11 | * notice, this list of conditions and the following disclaimer.
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12 | * 2. Redistributions in binary form must reproduce the above copyright
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13 | * notice, this list of conditions and the following disclaimer in the
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14 | * documentation and/or other materials provided with the distribution.
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15 | * 3. Neither the name of the University nor the names of its contributors
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16 | * may be used to endorse or promote products derived from this software
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17 | * without specific prior written permission.
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18 | *
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19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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29 | * SUCH DAMAGE.
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30 | *
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31 | * @(#)if_ether.h 8.3 (Berkeley) 5/2/95
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32 | */
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33 | |||
34 | #ifndef _NETINET_IF_ETHER_H_
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35 | #define _NETINET_IF_ETHER_H_
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36 | |||
37 | |||
38 | #ifdef _KERNEL
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39 | #error You should NOT be doing this.
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40 | /*
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41 | * XXX This file is for compatibility to externally maintained packages
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42 | * ONLY, or to help porting them if the other way round is not possible.
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43 | * Kernel drivers should be properly ported.
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44 | */
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45 | #endif
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46 | |||
47 | |||
48 | #ifndef _netinet_if_ether_compat_h_
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49 | #define _netinet_if_ether_compat_h_
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50 | |||
51 | /* pull in Ethernet-specific definitions and packet structures */
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52 | |||
53 | #include <net/if_ether.h> |
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54 | |||
55 | /* pull in ARP-specific definitions and packet structures */
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56 | |||
57 | #include <net/if_arp.h> |
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58 | |||
59 | /* pull in ARP-over-Ethernet-specific definitions and packet structures */
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60 | #include <netinet/if_inarp.h> |
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61 | |||
62 | /* ... and define some more which we don't need anymore: */
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63 | |||
64 | /*
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65 | * Ethernet Address Resolution Protocol.
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66 | *
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67 | * See RFC 826 for protocol description. Structure below is not
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68 | * used by our kernel!!! Only for userland programs which are externally
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69 | * maintained and need it.
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70 | */
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71 | |||
72 | struct ether_arp {
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73 | struct arphdr ea_hdr; /* fixed-size header */ |
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74 | u_int8_t arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */
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75 | u_int8_t arp_spa[4]; /* sender protocol address */ |
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76 | u_int8_t arp_tha[ETHER_ADDR_LEN]; /* target hardware address */
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77 | u_int8_t arp_tpa[4]; /* target protocol address */ |
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78 | } __packed; |
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79 | #define arp_hrd ea_hdr.ar_hrd
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80 | #define arp_pro ea_hdr.ar_pro
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81 | #define arp_hln ea_hdr.ar_hln
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82 | #define arp_pln ea_hdr.ar_pln
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83 | #define arp_op ea_hdr.ar_op
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84 | |||
85 | #endif /* _netinet_if_ether_compat_h_ */ |
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86 | |||
87 | #endif /* !_NETINET_IF_ETHER_H_ */ |