1 /* -*- linux-c -*-
2 * sysctl_net_netrom.c: sysctl interface to net NET/ROM subsystem.
3 *
4 * Begun April 1, 1996, Mike Shaver.
5 * Added /proc/sys/net/netrom directory entry (empty =) ). [MS]
6 */
7
8 #include <linux/mm.h>
9 #include <linux/sysctl.h>
10 #include <linux/init.h>
11 #include <net/ax25.h>
12 #include <net/netrom.h>
13
14 /*
15 * Values taken from NET/ROM documentation.
16 */
17 static int min_quality[] = {0}, max_quality[] = {255};
18 static int min_obs[] = {0}, max_obs[] = {255};
19 static int min_ttl[] = {0}, max_ttl[] = {255};
20 static int min_t1[] = {5 * HZ};
21 static int max_t1[] = {600 * HZ};
22 static int min_n2[] = {2}, max_n2[] = {127};
23 static int min_t2[] = {1 * HZ};
24 static int max_t2[] = {60 * HZ};
25 static int min_t4[] = {1 * HZ};
26 static int max_t4[] = {1000 * HZ};
27 static int min_window[] = {1}, max_window[] = {127};
28 static int min_idle[] = {0 * HZ};
29 static int max_idle[] = {65535 * HZ};
30 static int min_route[] = {0}, max_route[] = {1};
31 static int min_fails[] = {1}, max_fails[] = {10};
32
33 static struct ctl_table_header *nr_table_header;
34
35 static ctl_table nr_table[] = {
36 {NET_NETROM_DEFAULT_PATH_QUALITY, "default_path_quality",
37 &sysctl_netrom_default_path_quality, sizeof(int), 0644, NULL,
38 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_quality, &max_quality},
39 {NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER, "obsolescence_count_initialiser",
40 &sysctl_netrom_obsolescence_count_initialiser, sizeof(int), 0644, NULL,
41 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_obs, &max_obs},
42 {NET_NETROM_NETWORK_TTL_INITIALISER, "network_ttl_initialiser",
43 &sysctl_netrom_network_ttl_initialiser, sizeof(int), 0644, NULL,
44 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_ttl, &max_ttl},
45 {NET_NETROM_TRANSPORT_TIMEOUT, "transport_timeout",
46 &sysctl_netrom_transport_timeout, sizeof(int), 0644, NULL,
47 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_t1, &max_t1},
48 {NET_NETROM_TRANSPORT_MAXIMUM_TRIES, "transport_maximum_tries",
49 &sysctl_netrom_transport_maximum_tries, sizeof(int), 0644, NULL,
50 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_n2, &max_n2},
51 {NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY, "transport_acknowledge_delay",
52 &sysctl_netrom_transport_acknowledge_delay, sizeof(int), 0644, NULL,
53 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_t2, &max_t2},
54 {NET_NETROM_TRANSPORT_BUSY_DELAY, "transport_busy_delay",
55 &sysctl_netrom_transport_busy_delay, sizeof(int), 0644, NULL,
56 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_t4, &max_t4},
57 {NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE, "transport_requested_window_size",
58 &sysctl_netrom_transport_requested_window_size, sizeof(int), 0644, NULL,
59 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_window, &max_window},
60 {NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT, "transport_no_activity_timeout",
61 &sysctl_netrom_transport_no_activity_timeout, sizeof(int), 0644, NULL,
62 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_idle, &max_idle},
63 {NET_NETROM_ROUTING_CONTROL, "routing_control",
64 &sysctl_netrom_routing_control, sizeof(int), 0644, NULL,
65 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_route, &max_route},
66 {NET_NETROM_LINK_FAILS_COUNT, "link_fails_count",
67 &sysctl_netrom_link_fails_count, sizeof(int), 0644, NULL,
68 &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_fails, &max_fails},
69 {0}
70 };
71
72 static ctl_table nr_dir_table[] = {
73 {NET_NETROM, "netrom", NULL, 0, 0555, nr_table},
74 {0}
75 };
76
77 static ctl_table nr_root_table[] = {
78 {CTL_NET, "net", NULL, 0, 0555, nr_dir_table},
79 {0}
80 };
81
nr_register_sysctl(void)82 void __init nr_register_sysctl(void)
83 {
84 nr_table_header = register_sysctl_table(nr_root_table, 1);
85 }
86
nr_unregister_sysctl(void)87 void nr_unregister_sysctl(void)
88 {
89 unregister_sysctl_table(nr_table_header);
90 }
91