1 /*********************************************************************
2 *
3 * Filename: irsysctl.c
4 * Version: 1.0
5 * Description: Sysctl interface for IrDA
6 * Status: Experimental.
7 * Author: Dag Brattli <dagb@cs.uit.no>
8 * Created at: Sun May 24 22:12:06 1998
9 * Modified at: Fri Jun 4 02:50:15 1999
10 * Modified by: Dag Brattli <dagb@cs.uit.no>
11 *
12 * Copyright (c) 1997, 1999 Dag Brattli, All Rights Reserved.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * Neither Dag Brattli nor University of Tromsų admit liability nor
20 * provide warranty for any of this software. This material is
21 * provided "AS-IS" and at no charge.
22 *
23 ********************************************************************/
24
25 #include <linux/config.h>
26 #include <linux/mm.h>
27 #include <linux/ctype.h>
28 #include <linux/sysctl.h>
29 #include <asm/segment.h>
30
31 #include <net/irda/irda.h>
32 #include <net/irda/irias_object.h>
33
34 #define NET_IRDA 412 /* Random number */
35 enum { DISCOVERY=1, DEVNAME, COMPRESSION, DEBUG, SLOTS, DISCOVERY_TIMEOUT,
36 SLOT_TIMEOUT, MAX_BAUD_RATE, MAX_INACTIVE_TIME };
37
38 extern int sysctl_discovery;
39 extern int sysctl_discovery_slots;
40 extern int sysctl_discovery_timeout;
41 extern int sysctl_slot_timeout;
42 extern int sysctl_fast_poll_increase;
43 int sysctl_compression = 0;
44 extern char sysctl_devname[];
45 extern int sysctl_max_baud_rate;
46 extern int sysctl_max_inactive_time;
47
48 #ifdef CONFIG_IRDA_DEBUG
49 extern unsigned int irda_debug;
50 #endif
51
52 static int do_devname(ctl_table *table, int write, struct file *filp,
53 void *buffer, size_t *lenp)
54 {
55 int ret;
56
57 ret = proc_dostring(table, write, filp, buffer, lenp);
58 if (ret == 0 && write) {
59 struct ias_value *val;
60
61 val = irias_new_string_value(sysctl_devname);
62 if (val)
63 irias_object_change_attribute("Device", "DeviceName", val);
64 }
65 return ret;
66 }
67
68 /* One file */
69 static ctl_table irda_table[] = {
70 { DISCOVERY, "discovery", &sysctl_discovery,
71 sizeof(int), 0644, NULL, &proc_dointvec },
72 { DEVNAME, "devname", sysctl_devname,
73 65, 0644, NULL, &do_devname, &sysctl_string},
74 { COMPRESSION, "compression", &sysctl_compression,
75 sizeof(int), 0644, NULL, &proc_dointvec },
76 #ifdef CONFIG_IRDA_DEBUG
77 { DEBUG, "debug", &irda_debug,
78 sizeof(int), 0644, NULL, &proc_dointvec },
79 #endif
80 #ifdef CONFIG_IRDA_FAST_RR
81 { SLOTS, "fast_poll_increase", &sysctl_fast_poll_increase,
82 sizeof(int), 0644, NULL, &proc_dointvec },
83 #endif
84 { SLOTS, "discovery_slots", &sysctl_discovery_slots,
85 sizeof(int), 0644, NULL, &proc_dointvec },
86 { DISCOVERY_TIMEOUT, "discovery_timeout", &sysctl_discovery_timeout,
87 sizeof(int), 0644, NULL, &proc_dointvec },
88 { SLOT_TIMEOUT, "slot_timeout", &sysctl_slot_timeout,
89 sizeof(int), 0644, NULL, &proc_dointvec },
90 { MAX_BAUD_RATE, "max_baud_rate", &sysctl_max_baud_rate,
91 sizeof(int), 0644, NULL, &proc_dointvec },
92 { MAX_INACTIVE_TIME, "max_inactive_time", &sysctl_max_inactive_time,
93 sizeof(int), 0644, NULL, &proc_dointvec },
94 { 0 }
95 };
96
97 /* One directory */
98 static ctl_table irda_net_table[] = {
99 { NET_IRDA, "irda", NULL, 0, 0555, irda_table },
100 { 0 }
101 };
102
103 /* The parent directory */
104 static ctl_table irda_root_table[] = {
105 { CTL_NET, "net", NULL, 0, 0555, irda_net_table },
106 { 0 }
107 };
108
109 static struct ctl_table_header *irda_table_header;
110
111 /*
112 * Function irda_sysctl_register (void)
113 *
114 * Register our sysctl interface
115 *
116 */
117 int irda_sysctl_register(void)
118 {
119 irda_table_header = register_sysctl_table(irda_root_table, 0);
120 if (!irda_table_header)
121 return -ENOMEM;
122
123 return 0;
124 }
125
126 /*
127 * Function irda_sysctl_unregister (void)
128 *
129 * Unregister our sysctl interface
130 *
131 */
132 void irda_sysctl_unregister(void)
133 {
134 unregister_sysctl_table(irda_table_header);
135 }
136
137
138
139
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