xref: /csrg-svn/sys/netns/ns_if.h (revision 34856)
1 /*
2  * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  *
17  *	@(#)ns_if.h	7.3 (Berkeley) 06/29/88
18  */
19 
20 /*
21  * Interface address, xerox version.  One of these structures
22  * is allocated for each interface with an internet address.
23  * The ifaddr structure contains the protocol-independent part
24  * of the structure and is assumed to be first.
25  */
26 
27 struct ns_ifaddr {
28 	struct	ifaddr ia_ifa;		/* protocol-independent info */
29 #define	ia_addr	ia_ifa.ifa_addr
30 #define	ia_broadaddr	ia_ifa.ifa_broadaddr
31 #define	ia_dstaddr	ia_ifa.ifa_dstaddr
32 #define	ia_ifp		ia_ifa.ifa_ifp
33 	union	ns_net	ia_net;		/* network number of interface */
34 	int	ia_flags;
35 	struct	ns_ifaddr *ia_next;	/* next in list of internet addresses */
36 };
37 
38 /*
39  * Given a pointer to an ns_ifaddr (ifaddr),
40  * return a pointer to the addr as a sockadd_ns.
41  */
42 
43 #define	IA_SNS(ia) ((struct sockaddr_ns *)(&((struct ns_ifaddr *)ia)->ia_addr))
44 /*
45  * ia_flags
46  */
47 #define	IFA_ROUTE	0x01		/* routing entry installed */
48 
49 /* This is not the right place for this but where is? */
50 #define	ETHERTYPE_NS	0x0600
51 
52 #ifdef	NSIP
53 struct nsip_req {
54 	struct sockaddr rq_ns;	/* must be ns format destination */
55 	struct sockaddr rq_ip;	/* must be ip format gateway */
56 	short rq_flags;
57 };
58 #endif
59 
60 #ifdef	KERNEL
61 struct	ns_ifaddr *ns_ifaddr;
62 struct	ns_ifaddr *ns_iaonnetof();
63 struct	ifqueue	nsintrq;	/* XNS input packet queue */
64 #endif
65