1 /* $NetBSD: if_ether.h,v 1.30 1999/11/20 00:37:58 thorpej 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)if_ether.h 8.3 (Berkeley) 5/2/95 36 */ 37 38 #ifndef _NETINET_IF_ETHER_H_ 39 #define _NETINET_IF_ETHER_H_ 40 41 42 #ifdef _KERNEL 43 #error You should NOT be doing this. 44 /* 45 * XXX This file is for compatibility to externally maintained packages 46 * ONLY, or to help porting them if the other way round is not possible. 47 * Kernel drivers should be properly ported. 48 */ 49 #endif 50 51 52 #ifndef _netinet_if_ether_compat_h_ 53 #define _netinet_if_ether_compat_h_ 54 55 /* pull in Ethernet-specific definitions and packet structures */ 56 57 #include <net/if_ether.h> 58 59 /* pull in ARP-specific definitions and packet structures */ 60 61 #include <net/if_arp.h> 62 63 /* pull in ARP-over-Ethernet-specific definitions and packet structures */ 64 #include <netinet/if_inarp.h> 65 66 /* ... and define some more which we don't need anymore: */ 67 68 /* 69 * Ethernet Address Resolution Protocol. 70 * 71 * See RFC 826 for protocol description. Structure below is not 72 * used by our kernel!!! Only for userland programs which are externelly 73 * maintained and need it. 74 */ 75 76 struct ether_arp { 77 struct arphdr ea_hdr; /* fixed-size header */ 78 u_int8_t arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */ 79 u_int8_t arp_spa[4]; /* sender protocol address */ 80 u_int8_t arp_tha[ETHER_ADDR_LEN]; /* target hardware address */ 81 u_int8_t arp_tpa[4]; /* target protocol address */ 82 } __attribute__((__packed__)); 83 #define arp_hrd ea_hdr.ar_hrd 84 #define arp_pro ea_hdr.ar_pro 85 #define arp_hln ea_hdr.ar_hln 86 #define arp_pln ea_hdr.ar_pln 87 #define arp_op ea_hdr.ar_op 88 89 #endif /* _netinet_if_ether_compat_h_ */ 90 91 #endif /* _NETINET_IF_ETHER_H_ */ 92