1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /* -*- linux-c -*-
3*4882a593Smuzhiyun * sysctl_net_x25.c: sysctl interface to net X.25 subsystem.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Begun April 1, 1996, Mike Shaver.
6*4882a593Smuzhiyun * Added /proc/sys/net/x25 directory entry (empty =) ). [MS]
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <linux/sysctl.h>
10*4882a593Smuzhiyun #include <linux/skbuff.h>
11*4882a593Smuzhiyun #include <linux/socket.h>
12*4882a593Smuzhiyun #include <linux/netdevice.h>
13*4882a593Smuzhiyun #include <linux/init.h>
14*4882a593Smuzhiyun #include <net/x25.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun static int min_timer[] = { 1 * HZ };
17*4882a593Smuzhiyun static int max_timer[] = { 300 * HZ };
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun static struct ctl_table_header *x25_table_header;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun static struct ctl_table x25_table[] = {
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun .procname = "restart_request_timeout",
24*4882a593Smuzhiyun .data = &sysctl_x25_restart_request_timeout,
25*4882a593Smuzhiyun .maxlen = sizeof(int),
26*4882a593Smuzhiyun .mode = 0644,
27*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
28*4882a593Smuzhiyun .extra1 = &min_timer,
29*4882a593Smuzhiyun .extra2 = &max_timer,
30*4882a593Smuzhiyun },
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun .procname = "call_request_timeout",
33*4882a593Smuzhiyun .data = &sysctl_x25_call_request_timeout,
34*4882a593Smuzhiyun .maxlen = sizeof(int),
35*4882a593Smuzhiyun .mode = 0644,
36*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
37*4882a593Smuzhiyun .extra1 = &min_timer,
38*4882a593Smuzhiyun .extra2 = &max_timer,
39*4882a593Smuzhiyun },
40*4882a593Smuzhiyun {
41*4882a593Smuzhiyun .procname = "reset_request_timeout",
42*4882a593Smuzhiyun .data = &sysctl_x25_reset_request_timeout,
43*4882a593Smuzhiyun .maxlen = sizeof(int),
44*4882a593Smuzhiyun .mode = 0644,
45*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
46*4882a593Smuzhiyun .extra1 = &min_timer,
47*4882a593Smuzhiyun .extra2 = &max_timer,
48*4882a593Smuzhiyun },
49*4882a593Smuzhiyun {
50*4882a593Smuzhiyun .procname = "clear_request_timeout",
51*4882a593Smuzhiyun .data = &sysctl_x25_clear_request_timeout,
52*4882a593Smuzhiyun .maxlen = sizeof(int),
53*4882a593Smuzhiyun .mode = 0644,
54*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
55*4882a593Smuzhiyun .extra1 = &min_timer,
56*4882a593Smuzhiyun .extra2 = &max_timer,
57*4882a593Smuzhiyun },
58*4882a593Smuzhiyun {
59*4882a593Smuzhiyun .procname = "acknowledgement_hold_back_timeout",
60*4882a593Smuzhiyun .data = &sysctl_x25_ack_holdback_timeout,
61*4882a593Smuzhiyun .maxlen = sizeof(int),
62*4882a593Smuzhiyun .mode = 0644,
63*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
64*4882a593Smuzhiyun .extra1 = &min_timer,
65*4882a593Smuzhiyun .extra2 = &max_timer,
66*4882a593Smuzhiyun },
67*4882a593Smuzhiyun {
68*4882a593Smuzhiyun .procname = "x25_forward",
69*4882a593Smuzhiyun .data = &sysctl_x25_forward,
70*4882a593Smuzhiyun .maxlen = sizeof(int),
71*4882a593Smuzhiyun .mode = 0644,
72*4882a593Smuzhiyun .proc_handler = proc_dointvec,
73*4882a593Smuzhiyun },
74*4882a593Smuzhiyun { },
75*4882a593Smuzhiyun };
76*4882a593Smuzhiyun
x25_register_sysctl(void)77*4882a593Smuzhiyun int __init x25_register_sysctl(void)
78*4882a593Smuzhiyun {
79*4882a593Smuzhiyun x25_table_header = register_net_sysctl(&init_net, "net/x25", x25_table);
80*4882a593Smuzhiyun if (!x25_table_header)
81*4882a593Smuzhiyun return -ENOMEM;
82*4882a593Smuzhiyun return 0;
83*4882a593Smuzhiyun }
84*4882a593Smuzhiyun
x25_unregister_sysctl(void)85*4882a593Smuzhiyun void x25_unregister_sysctl(void)
86*4882a593Smuzhiyun {
87*4882a593Smuzhiyun unregister_net_sysctl_table(x25_table_header);
88*4882a593Smuzhiyun }
89