root/usr/src/uts/common/netinet/arp.h
/*
 * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef _NETINET_ARP_H
#define _NETINET_ARP_H

#include <sys/types.h>
#include <sys/ethernet.h>
#include <sys/socket.h>
#include <net/if_arp.h>

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Ethernet Address Resolution Protocol.
 *
 * See RFC 826 for protocol description.  Structure below is adapted
 * to resolving internet addresses.  Field names used correspond to
 * RFC 826.
 */
struct  ether_arp {
        struct  arphdr ea_hdr;          /* fixed-size header */
        struct ether_addr arp_sha;      /* sender hardware address */
        uchar_t arp_spa[4];             /* sender protocol address */
        struct ether_addr arp_tha;      /* target hardware address */
        uchar_t arp_tpa[4];             /* target protocol address */
};
#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

#ifdef  __cplusplus
}
#endif

#endif  /* _NETINET_ARP_H */