| 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 |  |