1 /* $NetBSD: net.h,v 1.10 1995/10/20 00:46:30 cgd Exp $ */
4 * Copyright (c) 1993 Adam Glass
5 * Copyright (c) 1992 Regents of the University of California.
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.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
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.
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
43 #ifndef _KERNEL /* XXX - see <netinet/in.h> */
45 #define __IPADDR(x) htonl((u_int32_t)(x))
50 #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
52 /* Returns true if n_long's on the same net */
53 #define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m))
55 #define MACPY(s, d) bcopy((char *)s, (char *)d, 6)
57 #define MAXTMO 20 /* seconds */
58 #define MINTMO 2 /* seconds */
60 #define FNAME_SIZE 128
61 #define IFNAME_SIZE 16
62 #define RECV_SIZE 1536 /* XXX delete this */
65 * How much room to leave for headers:
66 * 14: struct ether_header
69 * That's 42 but let's pad it out to 48 bytes.
72 #define HEADER_SIZE 48
74 extern u_char bcea[6];
75 extern char rootpath[FNAME_SIZE];
76 extern char bootfile[FNAME_SIZE];
77 extern char hostname[FNAME_SIZE];
78 extern int hostnamelen;
79 extern char domainname[FNAME_SIZE];
80 extern int domainnamelen;
81 extern char ifname[IFNAME_SIZE];
83 /* All of these are in network order. */
84 extern struct in_addr myip;
85 extern struct in_addr rootip;
86 extern struct in_addr swapip;
87 extern struct in_addr gateip;
88 extern struct in_addr nameip;
89 extern n_long netmask;
91 extern int debug; /* defined in the machdep sources */
93 extern struct iodesc sockets[SOPEN_MAX];
95 /* ARP/RevARP functions: */
96 u_char *arpwhohas(struct iodesc *, struct in_addr);
97 void arp_reply(struct iodesc *, void *);
98 int rarp_getipaddress(int);
100 /* Link functions: */
101 ssize_t sendether(struct iodesc *d, void *pkt, size_t len,
102 u_char *dea, int etype);
103 ssize_t readether(struct iodesc *d, void *pkt, size_t len,
104 time_t tleft, u_int16_t *etype);
106 ssize_t sendudp(struct iodesc *, void *, size_t);
107 ssize_t readudp(struct iodesc *, void *, size_t, time_t);
108 ssize_t sendrecv(struct iodesc *,
109 ssize_t (*)(struct iodesc *, void *, size_t),
111 ssize_t (*)(struct iodesc *, void *, size_t, time_t),
115 char *ether_sprintf(u_char *);
116 int in_cksum(void *, int);
117 char *inet_ntoa(struct in_addr);
118 char *intoa(n_long); /* similar to inet_ntoa */
119 n_long inet_addr(char *);
121 /* Machine-dependent functions: */
122 time_t getsecs(void);