1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/* $OpenBSD: net.h,v 1.9 2014/07/13 15:31:20 mpi Exp $ */
/* $NetBSD: net.h,v 1.10 1995/10/20 00:46:30 cgd Exp $ */
/*
* Copyright (c) 1993 Adam Glass
* Copyright (c) 1992 Regents of the University of California.
* All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _KERNEL /* XXX - see <netinet/in.h> */
#undef __IPADDR
#define __IPADDR(x) htonl((u_int32_t)(x))
#endif
#include "iodesc.h"
#define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
/* Returns true if u_int32_t's on the same net */
#define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m))
#define MACPY(s, d) bcopy((char *)s, (char *)d, 6)
#define MAXTMO 20 /* seconds */
#define MINTMO 2 /* seconds */
#define FNAME_SIZE 128
#define IFNAME_SIZE 16
#define RECV_SIZE 1536 /* XXX delete this */
/*
* How much room to leave for headers:
* 14: struct ether_header
* 20: struct ip
* 8: struct udphdr
* That's 42 but let's pad it out to 48 bytes.
*/
#define ETHER_SIZE 14
struct packet_header {
/* guarantee int alignment */
int pad[48 / sizeof(int)];
};
extern u_char bcea[6];
extern char rootpath[FNAME_SIZE];
extern char bootfile[FNAME_SIZE];
extern char hostname[FNAME_SIZE];
extern int hostnamelen;
extern char domainname[FNAME_SIZE];
extern int domainnamelen;
extern char ifname[IFNAME_SIZE];
/* All of these are in network order. */
extern struct in_addr myip;
extern struct in_addr rootip;
extern struct in_addr swapip;
extern struct in_addr gateip;
extern struct in_addr nameip;
extern u_int32_t netmask;
extern int debug; /* defined in the machdep sources */
extern struct iodesc sockets[SOPEN_MAX];
/* ARP/RevARP functions: */
u_char *arpwhohas(struct iodesc *, struct in_addr);
void arp_reply(struct iodesc *, void *);
int rarp_getipaddress(int);
u_int32_t ip_convertaddr(char *);
/* Link functions: */
ssize_t sendether(struct iodesc *d, void *pkt, size_t len,
u_char *dea, int etype);
ssize_t readether(struct iodesc *d, void *pkt, size_t len,
time_t tleft, u_int16_t *etype);
ssize_t sendudp(struct iodesc *, void *, size_t);
ssize_t readudp(struct iodesc *, void *, size_t, time_t);
ssize_t sendrecv(struct iodesc *,
ssize_t (*)(struct iodesc *, void *, size_t), void *, size_t,
ssize_t (*)(struct iodesc *, void *, size_t, time_t),
void *, size_t);
/* Utilities: */
char *ether_sprintf(u_char *);
int in_cksum(void *, int);
char *inet_ntoa(struct in_addr);
char *intoa(u_int32_t); /* similar to inet_ntoa */
u_int32_t inet_addr(char *);
/* Machine-dependent functions: */
time_t getsecs(void);
|
