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 *	Research Systems Unix Group
16 *	The University of Michigan
17 *	c/o Mike Clark
18 *	535 W. William Street
19 *	Ann Arbor, Michigan
20 *	+1-313-763-0525
21 *	netatalk@itd.umich.edu
22 *
23 * $FreeBSD$
24 */
25
26#ifndef _NETATALK_AT_VAR_H_
27#define	_NETATALK_AT_VAR_H_
28
29/*
30 * For phase2, we need to keep not only our address on an interface, but also
31 * the legal networks on the interface.
32 */
33struct at_ifaddr {
34	struct ifaddr		 aa_ifa;
35	struct sockaddr_at	 aa_addr;
36	struct sockaddr_at	 aa_broadaddr;
37	struct sockaddr_at	 aa_netmask;
38	int			 aa_flags;
39	u_short			 aa_firstnet;
40	u_short			 aa_lastnet;
41	int			 aa_probcnt;
42	struct callout		 aa_callout;
43	TAILQ_ENTRY(at_ifaddr)	 aa_link;
44};
45#define	aa_ifp		aa_ifa.ifa_ifp
46#define	aa_dstaddr	aa_broadaddr;
47
48TAILQ_HEAD(at_ifaddrhead, at_ifaddr);
49
50struct at_aliasreq {
51	char			ifra_name[IFNAMSIZ];
52	struct sockaddr_at	ifra_addr;
53	struct sockaddr_at	ifra_broadaddr;
54	struct sockaddr_at	ifra_mask;
55};
56#define	ifra_dstaddr	ifra_broadaddr
57
58#define	AA_SAT(aa)	(&(aa->aa_addr))
59#define	satosat(sa)	((struct sockaddr_at *)(sa))
60
61#define	AFA_ROUTE	0x0001
62#define	AFA_PROBING	0x0002
63#define	AFA_PHASE2	0x0004
64
65#ifdef _KERNEL
66extern struct rwlock		at_ifaddr_rw;
67extern struct at_ifaddrhead	at_ifaddrhead;
68
69#define	AT_IFADDR_LOCK_INIT()	rw_init(&at_ifaddr_rw, "at_ifaddr_rw")
70#define	AT_IFADDR_LOCK_ASSERT()	rw_assert(&at_ifaddr_rw, RA_LOCKED)
71#define	AT_IFADDR_RLOCK()	rw_rlock(&at_ifaddr_rw)
72#define	AT_IFADDR_RUNLOCK()	rw_runlock(&at_ifaddr_rw)
73#define	AT_IFADDR_WLOCK()	rw_wlock(&at_ifaddr_rw)
74#define	AT_IFADDR_WUNLOCK()	rw_wunlock(&at_ifaddr_rw)
75#endif
76
77#endif /* _NETATALK_AT_VAR_H_ */
78