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if_ether.h
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if_ether.h
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/* $NetBSD: if_ether.h,v 1.33 2006/09/25 12:24:47 sketch Exp $ */
/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)if_ether.h 8.3 (Berkeley) 5/2/95
*/
#ifndef _NETINET_IF_ETHER_H_
#define _NETINET_IF_ETHER_H_
#ifdef _KERNEL
#error You should NOT be doing this.
/*
* XXX This file is for compatibility to externally maintained packages
* ONLY, or to help porting them if the other way round is not possible.
* Kernel drivers should be properly ported.
*/
#endif
#ifndef _netinet_if_ether_compat_h_
#define _netinet_if_ether_compat_h_
/* pull in Ethernet-specific definitions and packet structures */
#include <net/if_ether.h>
/* pull in ARP-specific definitions and packet structures */
#include <net/if_arp.h>
/* pull in ARP-over-Ethernet-specific definitions and packet structures */
#include <netinet/if_inarp.h>
/* ... and define some more which we don't need anymore: */
/*
* Ethernet Address Resolution Protocol.
*
* See RFC 826 for protocol description. Structure below is not
* used by our kernel!!! Only for userland programs which are externally
* maintained and need it.
*/
struct ether_arp {
struct arphdr ea_hdr; /* fixed-size header */
u_int8_t arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */
u_int8_t arp_spa[4]; /* sender protocol address */
u_int8_t arp_tha[ETHER_ADDR_LEN]; /* target hardware address */
u_int8_t arp_tpa[4]; /* target protocol address */
} __attribute__((__packed__));
#define arp_hrd ea_hdr.ar_hrd
#define arp_pro ea_hdr.ar_pro
#define arp_hln ea_hdr.ar_hln
#define arp_pln ea_hdr.ar_pln
#define arp_op ea_hdr.ar_op
#endif /* _netinet_if_ether_compat_h_ */
#endif /* !_NETINET_IF_ETHER_H_ */