1 /* $NetBSD: if_ether.h,v 1.34 2007/12/25 18:33:46 perry 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 * @(#)if_ether.h 8.3 (Berkeley) 5/2/95 32 */ 33 34 #ifndef _NETINET_IF_ETHER_H_ 35 #define _NETINET_IF_ETHER_H_ 36 37 38 #ifdef _KERNEL 39 #error You should NOT be doing this. 40 /* 41 * XXX This file is for compatibility to externally maintained packages 42 * ONLY, or to help porting them if the other way round is not possible. 43 * Kernel drivers should be properly ported. 44 */ 45 #endif 46 47 48 #ifndef _netinet_if_ether_compat_h_ 49 #define _netinet_if_ether_compat_h_ 50 51 /* pull in Ethernet-specific definitions and packet structures */ 52 53 #include <net/if_ether.h> 54 55 /* pull in ARP-specific definitions and packet structures */ 56 57 #include <net/if_arp.h> 58 59 /* pull in ARP-over-Ethernet-specific definitions and packet structures */ 60 #include <netinet/if_inarp.h> 61 62 /* ... and define some more which we don't need anymore: */ 63 64 /* 65 * Ethernet Address Resolution Protocol. 66 * 67 * See RFC 826 for protocol description. Structure below is not 68 * used by our kernel!!! Only for userland programs which are externally 69 * maintained and need it. 70 */ 71 72 struct ether_arp { 73 struct arphdr ea_hdr; /* fixed-size header */ 74 u_int8_t arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */ 75 u_int8_t arp_spa[4]; /* sender protocol address */ 76 u_int8_t arp_tha[ETHER_ADDR_LEN]; /* target hardware address */ 77 u_int8_t arp_tpa[4]; /* target protocol address */ 78 } __packed; 79 #define arp_hrd ea_hdr.ar_hrd 80 #define arp_pro ea_hdr.ar_pro 81 #define arp_hln ea_hdr.ar_hln 82 #define arp_pln ea_hdr.ar_pln 83 #define arp_op ea_hdr.ar_op 84 85 #endif /* _netinet_if_ether_compat_h_ */ 86 87 #endif /* !_NETINET_IF_ETHER_H_ */ 88