File: /usr/src/linux/net/irda/irsysctl.c
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, DEBUG, SLOTS, DISCOVERY_TIMEOUT,
36 SLOT_TIMEOUT, MAX_BAUD_RATE, MAX_INACTIVE_TIME, LAP_KEEPALIVE_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 extern int sysctl_lap_keepalive_time;
48
49 #ifdef CONFIG_IRDA_DEBUG
50 extern unsigned int irda_debug;
51 #endif
52
53 static int do_devname(ctl_table *table, int write, struct file *filp,
54 void *buffer, size_t *lenp)
55 {
56 int ret;
57
58 ret = proc_dostring(table, write, filp, buffer, lenp);
59 if (ret == 0 && write) {
60 struct ias_value *val;
61
62 val = irias_new_string_value(sysctl_devname);
63 if (val)
64 irias_object_change_attribute("Device", "DeviceName", val);
65 }
66 return ret;
67 }
68
69 /* One file */
70 static ctl_table irda_table[] = {
71 { DISCOVERY, "discovery", &sysctl_discovery,
72 sizeof(int), 0644, NULL, &proc_dointvec },
73 { DEVNAME, "devname", sysctl_devname,
74 65, 0644, NULL, &do_devname, &sysctl_string},
75 #ifdef CONFIG_IRDA_DEBUG
76 { DEBUG, "debug", &irda_debug,
77 sizeof(int), 0644, NULL, &proc_dointvec },
78 #endif
79 #ifdef CONFIG_IRDA_FAST_RR
80 { SLOTS, "fast_poll_increase", &sysctl_fast_poll_increase,
81 sizeof(int), 0644, NULL, &proc_dointvec },
82 #endif
83 { SLOTS, "discovery_slots", &sysctl_discovery_slots,
84 sizeof(int), 0644, NULL, &proc_dointvec },
85 { DISCOVERY_TIMEOUT, "discovery_timeout", &sysctl_discovery_timeout,
86 sizeof(int), 0644, NULL, &proc_dointvec },
87 { SLOT_TIMEOUT, "slot_timeout", &sysctl_slot_timeout,
88 sizeof(int), 0644, NULL, &proc_dointvec },
89 { MAX_BAUD_RATE, "max_baud_rate", &sysctl_max_baud_rate,
90 sizeof(int), 0644, NULL, &proc_dointvec },
91 { MAX_INACTIVE_TIME, "max_inactive_time", &sysctl_max_inactive_time,
92 sizeof(int), 0644, NULL, &proc_dointvec },
93 { LAP_KEEPALIVE_TIME, "lap_keepalive_time", &sysctl_lap_keepalive_time,
94 sizeof(int), 0644, NULL, &proc_dointvec },
95 { 0 }
96 };
97
98 /* One directory */
99 static ctl_table irda_net_table[] = {
100 { NET_IRDA, "irda", NULL, 0, 0555, irda_table },
101 { 0 }
102 };
103
104 /* The parent directory */
105 static ctl_table irda_root_table[] = {
106 { CTL_NET, "net", NULL, 0, 0555, irda_net_table },
107 { 0 }
108 };
109
110 static struct ctl_table_header *irda_table_header;
111
112 /*
113 * Function irda_sysctl_register (void)
114 *
115 * Register our sysctl interface
116 *
117 */
118 int irda_sysctl_register(void)
119 {
120 irda_table_header = register_sysctl_table(irda_root_table, 0);
121 if (!irda_table_header)
122 return -ENOMEM;
123
124 return 0;
125 }
126
127 /*
128 * Function irda_sysctl_unregister (void)
129 *
130 * Unregister our sysctl interface
131 *
132 */
133 void irda_sysctl_unregister(void)
134 {
135 unregister_sysctl_table(irda_table_header);
136 }
137
138
139
140