1 /*	$NetBSD: at_var.h,v 1.7 2007/08/30 02:17:36 dyoung 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 
29 #ifndef _NETATALK_AT_VAR_H_
30 #define _NETATALK_AT_VAR_H_
31 
32 #include <sys/callout.h>
33 
34 /*
35  * For phase2, we need to keep not only our address on an interface,
36  * but also the legal networks on the interface.
37  */
38 struct at_ifaddr {
39 	struct ifaddr   aa_ifa;
40 #define aa_ifp		aa_ifa.ifa_ifp
41 	struct sockaddr_at aa_addr;
42 	struct sockaddr_at aa_broadaddr;
43 #define aa_dstaddr	aa_broadaddr;
44 	struct sockaddr_at aa_netmask;
45 	int             aa_flags;
46 	u_short         aa_firstnet, aa_lastnet;
47 	int             aa_probcnt;
48 	TAILQ_ENTRY(at_ifaddr) aa_list;	/* list of appletalk addresses */
49 	struct callout	aa_probe_ch;	/* for aarpprobe() */
50 };
51 
52 struct at_aliasreq {
53 	char			ifra_name[IFNAMSIZ];
54 	struct sockaddr_at	ifra_addr;
55 	struct sockaddr_at	ifra_broadaddr;
56 #define ifra_dstaddr		ifra_broadaddr
57 	struct sockaddr_at	ifra_mask;
58 };
59 
60 #define AA_SAT(aa) \
61     (&(aa->aa_addr))
62 #define satosat(sa)	((struct sockaddr_at *)(sa))
63 #define satocsat(sa)	((const struct sockaddr_at *)(sa))
64 
65 #define AFA_ROUTE	0x0001
66 #define AFA_PROBING	0x0002
67 #define AFA_PHASE2	0x0004
68 
69 #ifdef _KERNEL
70 int sockaddr_at_cmp(const struct sockaddr *, const struct sockaddr *);
71 
72 static inline void
sockaddr_at_init1(struct sockaddr_at * sat,const struct at_addr * addr,uint8_t port)73 sockaddr_at_init1(struct sockaddr_at *sat, const struct at_addr *addr,
74     uint8_t port)
75 {
76 	sat->sat_port = port;
77 	sat->sat_addr = *addr;
78 	memset(&sat->sat_range, 0, sizeof(sat->sat_range));
79 }
80 
81 static inline void
sockaddr_at_init(struct sockaddr_at * sat,const struct at_addr * addr,uint8_t port)82 sockaddr_at_init(struct sockaddr_at *sat, const struct at_addr *addr,
83     uint8_t port)
84 {
85 	sat->sat_family = AF_APPLETALK;
86 	sat->sat_len = sizeof(*sat);
87 	sockaddr_at_init1(sat, addr, port);
88 }
89 
90 static inline struct sockaddr *
sockaddr_at_alloc(const struct at_addr * addr,uint8_t port,int flags)91 sockaddr_at_alloc(const struct at_addr *addr, uint8_t port, int flags)
92 {
93 	struct sockaddr *sa;
94 
95 	sa = sockaddr_alloc(AF_APPLETALK, sizeof(struct sockaddr_at), flags);
96 
97 	if (sa == NULL)
98 		return NULL;
99 
100 	sockaddr_at_init1(satosat(sa), addr, port);
101 
102 	return sa;
103 }
104 TAILQ_HEAD(at_ifaddrhead, at_ifaddr);
105 extern struct at_ifaddrhead at_ifaddr;
106 extern struct ifqueue atintrq1, atintrq2;
107 #endif
108 
109 #endif /* !_NETATALK_AT_VAR_H_ */
110