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