/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/** @file
@publishedAll
@released
*/
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
/*
* PROPRIETARY NOTICE (Combined)
*
* This source code is unpublished proprietary information
* constituting, or derived under license from AT&T's Unix(r) System V.
* In addition, portions of such source code were derived from Berkeley
* 4.3 BSD under license from the Regents of the University of
* California.
*
*
*
* Copyright Notice
*
* Notice of copyright on this source code product does not indicate
* publication.
*
* (c) 1986,1987,1988,1989 Sun Microsystems, Inc.
* (c) 1983,1984,1985,1986,1987,1988,1989 AT&T.
* All rights reserved.
*/
#ifndef _NETINET_ARP_H
#define _NETINET_ARP_H
#include <libc\sys\socket.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
Address Resolution Protocol.
See RFC 826 for protocol description. ARP packets are variable
in size; the arphdr structure defines the fixed-length portion.
Protocol type values are the same as those for 10 Mb/s Ethernet.
It is followed by the variable-sized fields ar_sha, arp_spa,
arp_tha and arp_tpa in that order, according to the lengths
specified. Field names used correspond to RFC 826.
*/
struct arphdr {
u_short ar_hrd; /* format of hardware address */
#define ARPHRD_ETHER 1 /* ethernet hardware address */
u_short ar_pro; /* format of protocol address */
u_char ar_hln; /* length of hardware address */
u_char ar_pln; /* length of protocol address */
u_short ar_op; /* one of: */
#define ARPOP_REQUEST 1 /* request to resolve address */
#define ARPOP_REPLY 2 /* response to previous request */
#define REVARP_REQUEST 3 /* Reverse ARP request */
#define REVARP_REPLY 4 /* Reverse ARP reply */
/*
* The remaining fields are variable in size,
* according to the sizes above, and are defined
* as appropriate for specific hardware/protocol
* combinations. (E.g., see <netinet/if_ether.h>.)
*/
#ifdef notdef
u_char ar_sha[]; /* sender hardware address */
u_char ar_spa[]; /* sender protocol address */
u_char ar_tha[]; /* target hardware address */
u_char ar_tpa[]; /* target protocol address */
#endif /* notdef */
};
/**
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 */
u_char arp_spa[4]; /* sender protocol address */
struct ether_addr arp_tha; /* target hardware address */
u_char arp_tpa[4]; /* target protocol address */
};
/**
@internalComponent
*/
#define arp_hrd ea_hdr.ar_hrd
/**
@internalComponent
*/
#define arp_pro ea_hdr.ar_pro
/**
@internalComponent
*/
#define arp_hln ea_hdr.ar_hln
/**
@internalComponent
*/
#define arp_pln ea_hdr.ar_pln
/**
@internalComponent
*/
#define arp_op ea_hdr.ar_op
/**
ARP ioctl request
*/
struct arpreq {
struct sockaddr arp_pa; /* protocol address */
struct sockaddr arp_ha; /* hardware address */
int arp_flags; /* flags */
};
/**
arp_flags and at_flags field values
@internalComponent
*/
#define ATF_INUSE 0x01 /* entry in use */
/**
@internalComponent
*/
#define ATF_COM 0x02 /* completed entry (enaddr valid) */
/**
@internalComponent
*/
#define ATF_PERM 0x04 /* permanent entry */
/**
@internalComponent
*/
#define ATF_PUBL 0x08 /* publish entry (respond for other host) */
/**
@internalComponent
*/
#define ATF_USETRAILERS 0x10 /* has requested trailers */
#ifdef __cplusplus
}
#endif
#endif /* _NETINET_ARP_H */