xref: /netbsd-src/sys/lib/libsa/net.h (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
1 /*	$NetBSD: net.h,v 1.2 1994/10/26 05:44:52 cgd Exp $	*/
2 
3 /*
4  * Copyright (c) 1993 Adam Glass
5  * Copyright (c) 1992 Regents of the University of California.
6  * All rights reserved.
7  *
8  * This software was developed by the Computer Systems Engineering group
9  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
10  * contributed to Berkeley.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Lawrence Berkeley Laboratory and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  */
40 
41 #include "iodesc.h"
42 
43 #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
44 
45 /* Returns true if n_long's on the same net */
46 #define	SAMENET(a1, a2, m) ((a1 & m) == (a2 & m))
47 
48 #define MACPY(s, d) bcopy((char *)s, (char *)d, 6)
49 
50 #define MAXTMO 20	/* seconds */
51 #define MINTMO 2	/* seconds */
52 
53 #define FNAME_SIZE 128
54 #define	IFNAME_SIZE 16
55 #define RECV_SIZE 1536	/* XXX delete this */
56 
57 /* Size of struct ether_header + struct ip + struct udphdr */
58 #define ETHER_SIZE 14
59 #define	HEADER_SIZE (ETHER_SIZE + 20 + 8)
60 
61 extern	u_char bcea[6];
62 extern	char rootpath[FNAME_SIZE];
63 extern	char bootfile[FNAME_SIZE];
64 extern	char hostname[FNAME_SIZE];
65 extern	char domainname[FNAME_SIZE];
66 extern	char ifname[IFNAME_SIZE];
67 
68 extern	n_long myip;
69 extern	n_long rootip;
70 extern	n_long swapip;
71 extern	n_long gateip;
72 extern	n_long nameip;
73 extern	n_long mask;
74 
75 extern	int debug;			/* defined in the machdep sources */
76 
77 extern struct iodesc sockets[SOPEN_MAX];
78 
79 /* ARP functions: */
80 
81 u_char	*arpwhohas __P((struct iodesc *, n_long));
82 
83 int	sendether __P((struct iodesc *, void *, int, u_char *, int));
84 int	sendudp __P((struct iodesc *, void *, int));
85 int	recvudp __P((struct iodesc *, void *, int, time_t));
86 int	sendrecv __P((struct iodesc *, int (*)(struct iodesc *, void *, int),
87 	    void *, int, int (*)(struct iodesc *, void *, int), void *, int));
88 void	*checkudp __P((struct iodesc *, void *, int *));
89 
90 /* utilties: */
91 
92 char	*ether_sprintf __P((u_char *));
93 int	in_cksum __P((void *, int));
94 char	*intoa __P((n_long));			/* similar to inet_ntoa */
95 
96 /* Machine-dependent functions: */
97 
98 time_t	getsecs __P((void));
99