2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * Copyright (C) 1996 Mike Shaver (shaver@zeroknowledge.com)
10 #include <linux/sysctl.h>
11 #include <linux/spinlock.h>
14 static int min_ipdefmode[1], max_ipdefmode[] = {1};
15 static int min_axdefmode[1], max_axdefmode[] = {1};
16 static int min_backoff[1], max_backoff[] = {2};
17 static int min_conmode[1], max_conmode[] = {2};
18 static int min_window[] = {1}, max_window[] = {7};
19 static int min_ewindow[] = {1}, max_ewindow[] = {63};
20 static int min_t1[] = {1}, max_t1[] = {30000};
21 static int min_t2[] = {1}, max_t2[] = {20000};
22 static int min_t3[1], max_t3[] = {3600000};
23 static int min_idle[1], max_idle[] = {65535000};
24 static int min_n2[] = {1}, max_n2[] = {31};
25 static int min_paclen[] = {1}, max_paclen[] = {512};
26 static int min_proto[1], max_proto[] = { AX25_PROTO_MAX };
27 #ifdef CONFIG_AX25_DAMA_SLAVE
28 static int min_ds_timeout[1], max_ds_timeout[] = {65535000};
31 static struct ctl_table_header *ax25_table_header;
33 static ctl_table *ax25_table;
34 static int ax25_table_size;
36 static struct ctl_path ax25_path[] = {
37 { .procname = "net", },
38 { .procname = "ax25", },
42 static const ctl_table ax25_param_table[] = {
44 .procname = "ip_default_mode",
45 .maxlen = sizeof(int),
47 .proc_handler = proc_dointvec_minmax,
48 .extra1 = &min_ipdefmode,
49 .extra2 = &max_ipdefmode
52 .procname = "ax25_default_mode",
53 .maxlen = sizeof(int),
55 .proc_handler = proc_dointvec_minmax,
56 .extra1 = &min_axdefmode,
57 .extra2 = &max_axdefmode
60 .procname = "backoff_type",
61 .maxlen = sizeof(int),
63 .proc_handler = proc_dointvec_minmax,
64 .extra1 = &min_backoff,
65 .extra2 = &max_backoff
68 .procname = "connect_mode",
69 .maxlen = sizeof(int),
71 .proc_handler = proc_dointvec_minmax,
72 .extra1 = &min_conmode,
73 .extra2 = &max_conmode
76 .procname = "standard_window_size",
77 .maxlen = sizeof(int),
79 .proc_handler = proc_dointvec_minmax,
80 .extra1 = &min_window,
84 .procname = "extended_window_size",
85 .maxlen = sizeof(int),
87 .proc_handler = proc_dointvec_minmax,
88 .extra1 = &min_ewindow,
89 .extra2 = &max_ewindow
92 .procname = "t1_timeout",
93 .maxlen = sizeof(int),
95 .proc_handler = proc_dointvec_minmax,
100 .procname = "t2_timeout",
101 .maxlen = sizeof(int),
103 .proc_handler = proc_dointvec_minmax,
108 .procname = "t3_timeout",
109 .maxlen = sizeof(int),
111 .proc_handler = proc_dointvec_minmax,
116 .procname = "idle_timeout",
117 .maxlen = sizeof(int),
119 .proc_handler = proc_dointvec_minmax,
124 .procname = "maximum_retry_count",
125 .maxlen = sizeof(int),
127 .proc_handler = proc_dointvec_minmax,
132 .procname = "maximum_packet_length",
133 .maxlen = sizeof(int),
135 .proc_handler = proc_dointvec_minmax,
136 .extra1 = &min_paclen,
137 .extra2 = &max_paclen
140 .procname = "protocol",
141 .maxlen = sizeof(int),
143 .proc_handler = proc_dointvec_minmax,
144 .extra1 = &min_proto,
147 #ifdef CONFIG_AX25_DAMA_SLAVE
149 .procname = "dama_slave_timeout",
150 .maxlen = sizeof(int),
152 .proc_handler = proc_dointvec_minmax,
153 .extra1 = &min_ds_timeout,
154 .extra2 = &max_ds_timeout
158 { } /* that's all, folks! */
161 void ax25_register_sysctl(void)
166 spin_lock_bh(&ax25_dev_lock);
167 for (ax25_table_size = sizeof(ctl_table), ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next)
168 ax25_table_size += sizeof(ctl_table);
170 if ((ax25_table = kzalloc(ax25_table_size, GFP_ATOMIC)) == NULL) {
171 spin_unlock_bh(&ax25_dev_lock);
175 for (n = 0, ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) {
176 struct ctl_table *child = kmemdup(ax25_param_table,
177 sizeof(ax25_param_table),
181 kfree(ax25_table[n].child);
183 spin_unlock_bh(&ax25_dev_lock);
186 ax25_table[n].child = ax25_dev->systable = child;
187 ax25_table[n].procname = ax25_dev->dev->name;
188 ax25_table[n].mode = 0555;
191 for (k = 0; k < AX25_MAX_VALUES; k++)
192 child[k].data = &ax25_dev->values[k];
196 spin_unlock_bh(&ax25_dev_lock);
198 ax25_table_header = register_sysctl_paths(ax25_path, ax25_table);
201 void ax25_unregister_sysctl(void)
204 unregister_sysctl_table(ax25_table_header);
206 for (p = ax25_table; p->procname; p++)