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
|
/*
* $Id: divert_init.c,v 1.5.6.2 2001/01/24 22:18:17 kai Exp $
*
* Module init for DSS1 diversion services for i4l.
*
* Copyright 1999 by Werner Cornelius (werner@isdn4linux.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <linux/module.h>
#include <linux/version.h>
#include <linux/init.h>
#include "isdn_divert.h"
/********************/
/* needed externals */
/********************/
extern int printk(const char *fmt,...);
/****************************************/
/* structure containing interface to hl */
/****************************************/
isdn_divert_if divert_if =
{ DIVERT_IF_MAGIC, /* magic value */
DIVERT_CMD_REG, /* register cmd */
ll_callback, /* callback routine from ll */
NULL, /* command still not specified */
NULL, /* drv_to_name */
NULL, /* name_to_drv */
};
/*************************/
/* Module interface code */
/* no cmd line parms */
/*************************/
static int __init divert_init(void)
{ int i;
if (divert_dev_init())
{ printk(KERN_WARNING "dss1_divert: cannot install device, not loaded\n");
return(-EIO);
}
if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR)
{ divert_dev_deinit();
printk(KERN_WARNING "dss1_divert: error %d registering module, not loaded\n",i);
return(-EIO);
}
#if (LINUX_VERSION_CODE < 0x020111)
register_symtab(0);
#endif
printk(KERN_INFO "dss1_divert module successfully installed\n");
return(0);
}
/**********************/
/* Module deinit code */
/**********************/
static void divert_exit(void)
{ int flags;
int i;
save_flags(flags);
cli();
divert_if.cmd = DIVERT_CMD_REL; /* release */
if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR)
{ printk(KERN_WARNING "dss1_divert: error %d releasing module\n",i);
restore_flags(flags);
return;
}
if (divert_dev_deinit())
{ printk(KERN_WARNING "dss1_divert: device busy, remove cancelled\n");
restore_flags(flags);
return;
}
restore_flags(flags);
deleterule(-1); /* delete all rules and free mem */
deleteprocs();
printk(KERN_INFO "dss1_divert module successfully removed \n");
}
module_init(divert_init);
module_exit(divert_exit);
|
