87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*-
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* Copyright (c) 1990,1991 Regents of The University of Michigan.
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* All Rights Reserved.
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation, and that the name of The University
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* of Michigan not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. This software is supplied as is without expressed or
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* implied warranties of any kind.
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*
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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*
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* Research Systems Unix Group
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* The University of Michigan
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* c/o Wesley Craig
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* 535 W. William Street
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* Ann Arbor, Michigan
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* +1-313-764-2278
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* netatalk@umich.edu
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*
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* $FreeBSD$
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*/
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#ifndef _NETATALK_AARP_H_
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#define _NETATALK_AARP_H_
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/*
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* This structure is used for both phase 1 and 2. Under phase 1
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* the net is not filled in. It is in phase 2. In both cases, the
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* hardware address length is (for some unknown reason) 4. If
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* anyone at Apple could program their way out of paper bag, it
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* would be 1 and 3 respectively for phase 1 and 2.
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*/
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union aapa {
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u_char ap_pa[4];
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struct ap_node {
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u_char an_zero;
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u_char an_net[2];
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u_char an_node;
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} __packed ap_node;
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};
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struct ether_aarp {
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struct arphdr eaa_hdr;
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u_char aarp_sha[6];
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union aapa aarp_spu;
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u_char aarp_tha[6];
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union aapa aarp_tpu;
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} __packed;
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#define aarp_hrd eaa_hdr.ar_hrd
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#define aarp_pro eaa_hdr.ar_pro
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#define aarp_hln eaa_hdr.ar_hln
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#define aarp_pln eaa_hdr.ar_pln
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#define aarp_op eaa_hdr.ar_op
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#define aarp_spa aarp_spu.ap_node.an_node
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#define aarp_tpa aarp_tpu.ap_node.an_node
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#define aarp_spnet aarp_spu.ap_node.an_net
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#define aarp_tpnet aarp_tpu.ap_node.an_net
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#define aarp_spnode aarp_spu.ap_node.an_node
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#define aarp_tpnode aarp_tpu.ap_node.an_node
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struct aarptab {
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struct at_addr aat_ataddr;
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u_char aat_enaddr[6];
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u_char aat_timer;
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u_char aat_flags;
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struct mbuf *aat_hold;
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};
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#define AARPHRD_ETHER 0x0001
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#define AARPOP_REQUEST 0x01
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#define AARPOP_RESPONSE 0x02
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#define AARPOP_PROBE 0x03
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#ifdef _KERNEL
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struct aarptab *aarptnew(const struct at_addr *);
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#endif
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#endif /* _NETATALK_AARP_H_ */
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