1/*-
2 * Copyright (c) 1990,1994 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 * $FreeBSD$
27 */
28
29#ifndef _NETATALK_AT_EXTERN_H_
30#define	_NETATALK_AT_EXTERN_H_
31
32extern struct mtx	aarptab_mtx;
33
34#define	AARPTAB_LOCK()		mtx_lock(&aarptab_mtx)
35#define	AARPTAB_UNLOCK()	mtx_unlock(&aarptab_mtx)
36#define	AARPTAB_LOCK_ASSERT()	mtx_assert(&aarptab_mtx, MA_OWNED)
37#define	AARPTAB_UNLOCK_ASSERT()	mtx_assert(&aarptab_mtx, MA_NOTOWNED)
38
39struct at_ifaddr;
40struct ifnet;
41struct mbuf;
42struct route;
43struct thread;
44struct sockaddr_at;
45struct socket;
46void		 aarpintr(struct mbuf *);
47void		 aarpprobe(void *arg);
48int		 aarpresolve(struct ifnet *, struct mbuf *,
49		    const struct sockaddr_at *, u_char *);
50void		 aarp_clean(void);
51void		 at1intr(struct mbuf *);
52void		 at2intr(struct mbuf *);
53int		 at_broadcast(const struct sockaddr_at  *);
54u_short		 at_cksum(struct mbuf *m, int skip);
55int		 at_control(struct socket *so, u_long cmd, caddr_t data,
56		    struct ifnet *ifp, struct thread *td);
57struct at_ifaddr	*at_ifawithnet(const struct sockaddr_at *);
58struct at_ifaddr	*at_ifawithnet_locked(const struct sockaddr_at  *sat);
59
60int		 at_inithead(void**, int);
61void		 ddp_init(void);
62int		 ddp_output(struct mbuf *m, struct socket *so);
63int		 ddp_route(struct mbuf *m, struct route *ro);
64struct ddpcb	*ddp_search(struct sockaddr_at *, struct sockaddr_at *,
65		    struct at_ifaddr *);
66
67#endif /* !_NETATALK_AT_EXTERN_H_ */
68