1/* $NetBSD: aarp.h,v 1.3 2011/05/08 13:51:31 bouyer Exp $ */
2
3/*
4 * Copyright (c) 1990,1991 Regents of The University of Michigan.
5 * All Rights Reserved.
6 *
7 * Permission to use, copy, modify, and distribute this software and
8 * its documentation for any purpose and without fee is hereby granted,
9 * provided that the above copyright notice appears in all copies and
10 * that both that copyright notice and this permission notice appear
11 * in supporting documentation, and that the name of The University
12 * of Michigan not be used in advertising or publicity pertaining to
13 * distribution of the software without specific, written prior
14 * permission. This software is supplied as is without expressed or
15 * implied warranties of any kind.
16 *
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 *
20 * Research Systems Unix Group
21 * The University of Michigan
22 * c/o Wesley Craig
23 * 535 W. William Street
24 * Ann Arbor, Michigan
25 * +1-313-764-2278
26 * netatalk@umich.edu
27 */
28#ifndef _NETATALK_AARP_H_
29#define _NETATALK_AARP_H_
30/*
31 * This structure is used for both phase 1 and 2. Under phase 1
32 * the net is not filled in. It is in phase 2. In both cases, the
33 * hardware address length is (for some unknown reason) 4. If
34 * anyone at Apple could program their way out of paper bag, it
35 * would be 1 and 3 respectively for phase 1 and 2.
36 */
37union aapa {
38 u_int8_t ap_pa[4];
39 struct ap_node {
40 u_int8_t an_zero;
41 u_int8_t an_net[2];
42 u_int8_t an_node;
43 } ap_node;
44};
45
46struct ether_aarp {
47 struct arphdr eaa_hdr;
48 u_int8_t aarp_sha[6];
49 union aapa aarp_spu;
50 u_int8_t aarp_tha[6];
51 union aapa aarp_tpu;
52};
53#define aarp_hrd eaa_hdr.ar_hrd
54#define aarp_pro eaa_hdr.ar_pro
55#define aarp_hln eaa_hdr.ar_hln
56#define aarp_pln eaa_hdr.ar_pln
57#define aarp_op eaa_hdr.ar_op
58#define aarp_spa aarp_spu.ap_node.an_node
59#define aarp_tpa aarp_tpu.ap_node.an_node
60#define aarp_spnet aarp_spu.ap_node.an_net
61#define aarp_tpnet aarp_tpu.ap_node.an_net
62#define aarp_spnode aarp_spu.ap_node.an_node
63#define aarp_tpnode aarp_tpu.ap_node.an_node
64
65struct aarptab {
66 struct at_addr aat_ataddr;
67 u_int8_t aat_enaddr[6];
68 u_int8_t aat_timer;
69 u_int8_t aat_flags;
70 struct mbuf *aat_hold;
71};
72
73#define AARPHRD_ETHER 0x0001
74
75#define AARPOP_REQUEST 0x01
76#define AARPOP_RESPONSE 0x02
77#define AARPOP_PROBE 0x03
78
79extern struct mowner aarp_mowner;
80
81#endif /* !_NETATALK_AARP_H_ */