FreeBSD/Linux Kernel Cross Reference
sys/netatalk/aarp.h
1 /*-
2 * Copyright (c) 1990,1991 Regents of The University of Michigan.
3 * All Rights Reserved.
4 *
5 * Permission to use, copy, modify, and distribute this software and
6 * its documentation for any purpose and without fee is hereby granted,
7 * provided that the above copyright notice appears in all copies and
8 * that both that copyright notice and this permission notice appear
9 * in supporting documentation, and that the name of The University
10 * of Michigan not be used in advertising or publicity pertaining to
11 * distribution of the software without specific, written prior
12 * permission. This software is supplied as is without expressed or
13 * implied warranties of any kind.
14 *
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 *
18 * Research Systems Unix Group
19 * The University of Michigan
20 * c/o Wesley Craig
21 * 535 W. William Street
22 * Ann Arbor, Michigan
23 * +1-313-764-2278
24 * netatalk@umich.edu
25 *
26 * $FreeBSD: src/sys/netatalk/aarp.h,v 1.6 2007/06/28 12:54:58 rwatson Exp $
27 */
28
29 #ifndef _NETATALK_AARP_H_
30 #define _NETATALK_AARP_H_
31
32 /*
33 * This structure is used for both phase 1 and 2. Under phase 1
34 * the net is not filled in. It is in phase 2. In both cases, the
35 * hardware address length is (for some unknown reason) 4. If
36 * anyone at Apple could program their way out of paper bag, it
37 * would be 1 and 3 respectively for phase 1 and 2.
38 */
39 union aapa {
40 u_char ap_pa[4];
41 struct ap_node {
42 u_char an_zero;
43 u_char an_net[2];
44 u_char an_node;
45 } __packed ap_node;
46 };
47
48 struct ether_aarp {
49 struct arphdr eaa_hdr;
50 u_char aarp_sha[6];
51 union aapa aarp_spu;
52 u_char aarp_tha[6];
53 union aapa aarp_tpu;
54 } __packed;
55
56 #define aarp_hrd eaa_hdr.ar_hrd
57 #define aarp_pro eaa_hdr.ar_pro
58 #define aarp_hln eaa_hdr.ar_hln
59 #define aarp_pln eaa_hdr.ar_pln
60 #define aarp_op eaa_hdr.ar_op
61 #define aarp_spa aarp_spu.ap_node.an_node
62 #define aarp_tpa aarp_tpu.ap_node.an_node
63 #define aarp_spnet aarp_spu.ap_node.an_net
64 #define aarp_tpnet aarp_tpu.ap_node.an_net
65 #define aarp_spnode aarp_spu.ap_node.an_node
66 #define aarp_tpnode aarp_tpu.ap_node.an_node
67
68 struct aarptab {
69 struct at_addr aat_ataddr;
70 u_char aat_enaddr[6];
71 u_char aat_timer;
72 u_char aat_flags;
73 struct mbuf *aat_hold;
74 };
75
76 #define AARPHRD_ETHER 0x0001
77
78 #define AARPOP_REQUEST 0x01
79 #define AARPOP_RESPONSE 0x02
80 #define AARPOP_PROBE 0x03
81
82 #ifdef _KERNEL
83 struct aarptab *aarptnew(struct at_addr *);
84 #endif
85
86 #endif /* _NETATALK_AARP_H_ */
87
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