Annotation of sys/lib/libsa/net.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: net.h,v 1.7 2003/08/11 06:23:09 deraadt Exp $ */
2: /* $NetBSD: net.h,v 1.10 1995/10/20 00:46:30 cgd Exp $ */
3:
4: /*
5: * Copyright (c) 1993 Adam Glass
6: * Copyright (c) 1992 Regents of the University of California.
7: * All rights reserved.
8: *
9: * This software was developed by the Computer Systems Engineering group
10: * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
11: * contributed to Berkeley.
12: *
13: * Redistribution and use in source and binary forms, with or without
14: * modification, are permitted provided that the following conditions
15: * are met:
16: * 1. Redistributions of source code must retain the above copyright
17: * notice, this list of conditions and the following disclaimer.
18: * 2. Redistributions in binary form must reproduce the above copyright
19: * notice, this list of conditions and the following disclaimer in the
20: * documentation and/or other materials provided with the distribution.
21: * 3. All advertising materials mentioning features or use of this software
22: * must display the following acknowledgement:
23: * This product includes software developed by the University of
24: * California, Lawrence Berkeley Laboratory and its contributors.
25: * 4. Neither the name of the University nor the names of its contributors
26: * may be used to endorse or promote products derived from this software
27: * without specific prior written permission.
28: *
29: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39: * SUCH DAMAGE.
40: */
41:
42: #ifndef _KERNEL /* XXX - see <netinet/in.h> */
43: #undef __IPADDR
44: #define __IPADDR(x) htonl((u_int32_t)(x))
45: #endif
46:
47: #include "iodesc.h"
48:
49: #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
50:
51: /* Returns true if n_long's on the same net */
52: #define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m))
53:
54: #define MACPY(s, d) bcopy((char *)s, (char *)d, 6)
55:
56: #define MAXTMO 20 /* seconds */
57: #define MINTMO 2 /* seconds */
58:
59: #define FNAME_SIZE 128
60: #define IFNAME_SIZE 16
61: #define RECV_SIZE 1536 /* XXX delete this */
62:
63: /*
64: * How much room to leave for headers:
65: * 14: struct ether_header
66: * 20: struct ip
67: * 8: struct udphdr
68: * That's 42 but let's pad it out to 48 bytes.
69: */
70: #define ETHER_SIZE 14
71: #define HEADER_SIZE 48
72:
73: extern u_char bcea[6];
74: extern char rootpath[FNAME_SIZE];
75: extern char bootfile[FNAME_SIZE];
76: extern char hostname[FNAME_SIZE];
77: extern int hostnamelen;
78: extern char domainname[FNAME_SIZE];
79: extern int domainnamelen;
80: extern char ifname[IFNAME_SIZE];
81:
82: /* All of these are in network order. */
83: extern struct in_addr myip;
84: extern struct in_addr rootip;
85: extern struct in_addr swapip;
86: extern struct in_addr gateip;
87: extern struct in_addr nameip;
88: extern n_long netmask;
89:
90: extern int debug; /* defined in the machdep sources */
91:
92: extern struct iodesc sockets[SOPEN_MAX];
93:
94: /* ARP/RevARP functions: */
95: u_char *arpwhohas(struct iodesc *, struct in_addr);
96: void arp_reply(struct iodesc *, void *);
97: int rarp_getipaddress(int);
98: n_long ip_convertaddr(char *);
99:
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);
105:
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), void *, size_t,
110: ssize_t (*)(struct iodesc *, void *, size_t, time_t),
111: void *, size_t);
112:
113: /* Utilities: */
114: char *ether_sprintf(u_char *);
115: int in_cksum(void *, int);
116: char *inet_ntoa(struct in_addr);
117: char *intoa(n_long); /* similar to inet_ntoa */
118: n_long inet_addr(char *);
119:
120: /* Machine-dependent functions: */
121: time_t getsecs(void);
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