Use CSTD and remove local CSTD settings which are no longer needed.
[dragonfly.git] / lib / libstand / net.h
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1/* $NetBSD: net.h,v 1.10 1995/10/20 00:46:30 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 * $FreeBSD: src/lib/libstand/net.h,v 1.1.1.1.6.3 2001/03/05 06:27:18 kris Exp $
1de703da 41 * $DragonFly: src/lib/libstand/net.h,v 1.2 2003/06/17 04:26:51 dillon Exp $
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42 */
43
44#ifndef _KERNEL /* XXX - see <netinet/in.h> */
45#undef __IPADDR
46#define __IPADDR(x) htonl((u_int32_t)(x))
47#endif
48
49#include "iodesc.h"
50
51#define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
52
53/* Returns true if n_long's on the same net */
54#define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m))
55
56#define MACPY(s, d) bcopy((char *)s, (char *)d, 6)
57
58#define MAXTMO 20 /* seconds */
59#define MINTMO 2 /* seconds */
60
61#define FNAME_SIZE 128
62#define IFNAME_SIZE 16
63#define RECV_SIZE 1536 /* XXX delete this */
64
65/*
66 * How much room to leave for headers:
67 * 14: struct ether_header
68 * 20: struct ip
69 * 8: struct udphdr
70 * That's 42 but let's pad it out to 48 bytes.
71 */
72#define ETHER_SIZE 14
73#define HEADER_SIZE 48
74
75extern u_char bcea[6];
76extern char rootpath[FNAME_SIZE];
77extern char bootfile[FNAME_SIZE];
78extern char hostname[FNAME_SIZE];
79extern int hostnamelen;
80extern char domainname[FNAME_SIZE];
81extern int domainnamelen;
82extern char ifname[IFNAME_SIZE];
83
84/* All of these are in network order. */
85extern struct in_addr myip;
86extern struct in_addr rootip;
87extern struct in_addr swapip;
88extern struct in_addr gateip;
89extern struct in_addr nameip;
90extern n_long netmask;
91
92extern int debug; /* defined in the machdep sources */
93
94extern struct iodesc sockets[SOPEN_MAX];
95
96/* ARP/RevARP functions: */
97u_char *arpwhohas(struct iodesc *, struct in_addr);
98void arp_reply(struct iodesc *, void *);
99int rarp_getipaddress(int);
100
101/* Link functions: */
102ssize_t sendether(struct iodesc *d, void *pkt, size_t len,
103 u_char *dea, int etype);
104ssize_t readether(struct iodesc *d, void *pkt, size_t len,
105 time_t tleft, u_int16_t *etype);
106
107ssize_t sendudp(struct iodesc *, void *, size_t);
108ssize_t readudp(struct iodesc *, void *, size_t, time_t);
109ssize_t sendrecv(struct iodesc *,
110 ssize_t (*)(struct iodesc *, void *, size_t),
111 void *, size_t,
112 ssize_t (*)(struct iodesc *, void *, size_t, time_t),
113 void *, size_t);
114
115/* bootp/DHCP */
116void bootp(int, int);
117
118/* Utilities: */
119char *ether_sprintf(u_char *);
120int in_cksum(void *, int);
121char *inet_ntoa(struct in_addr);
122char *intoa(n_long); /* similar to inet_ntoa */
123n_long inet_addr(char *);
124
125/* Machine-dependent functions: */
126time_t getsecs(void);