1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (C) 1996 Mike Shaver (shaver@zeroknowledge.com)
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun #include <linux/mm.h>
7*4882a593Smuzhiyun #include <linux/sysctl.h>
8*4882a593Smuzhiyun #include <linux/init.h>
9*4882a593Smuzhiyun #include <net/ax25.h>
10*4882a593Smuzhiyun #include <net/netrom.h>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun /*
13*4882a593Smuzhiyun * Values taken from NET/ROM documentation.
14*4882a593Smuzhiyun */
15*4882a593Smuzhiyun static int min_quality[] = {0}, max_quality[] = {255};
16*4882a593Smuzhiyun static int min_obs[] = {0}, max_obs[] = {255};
17*4882a593Smuzhiyun static int min_ttl[] = {0}, max_ttl[] = {255};
18*4882a593Smuzhiyun static int min_t1[] = {5 * HZ};
19*4882a593Smuzhiyun static int max_t1[] = {600 * HZ};
20*4882a593Smuzhiyun static int min_n2[] = {2}, max_n2[] = {127};
21*4882a593Smuzhiyun static int min_t2[] = {1 * HZ};
22*4882a593Smuzhiyun static int max_t2[] = {60 * HZ};
23*4882a593Smuzhiyun static int min_t4[] = {1 * HZ};
24*4882a593Smuzhiyun static int max_t4[] = {1000 * HZ};
25*4882a593Smuzhiyun static int min_window[] = {1}, max_window[] = {127};
26*4882a593Smuzhiyun static int min_idle[] = {0 * HZ};
27*4882a593Smuzhiyun static int max_idle[] = {65535 * HZ};
28*4882a593Smuzhiyun static int min_route[] = {0}, max_route[] = {1};
29*4882a593Smuzhiyun static int min_fails[] = {1}, max_fails[] = {10};
30*4882a593Smuzhiyun static int min_reset[] = {0}, max_reset[] = {1};
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun static struct ctl_table_header *nr_table_header;
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun static struct ctl_table nr_table[] = {
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun .procname = "default_path_quality",
37*4882a593Smuzhiyun .data = &sysctl_netrom_default_path_quality,
38*4882a593Smuzhiyun .maxlen = sizeof(int),
39*4882a593Smuzhiyun .mode = 0644,
40*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
41*4882a593Smuzhiyun .extra1 = &min_quality,
42*4882a593Smuzhiyun .extra2 = &max_quality
43*4882a593Smuzhiyun },
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun .procname = "obsolescence_count_initialiser",
46*4882a593Smuzhiyun .data = &sysctl_netrom_obsolescence_count_initialiser,
47*4882a593Smuzhiyun .maxlen = sizeof(int),
48*4882a593Smuzhiyun .mode = 0644,
49*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
50*4882a593Smuzhiyun .extra1 = &min_obs,
51*4882a593Smuzhiyun .extra2 = &max_obs
52*4882a593Smuzhiyun },
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun .procname = "network_ttl_initialiser",
55*4882a593Smuzhiyun .data = &sysctl_netrom_network_ttl_initialiser,
56*4882a593Smuzhiyun .maxlen = sizeof(int),
57*4882a593Smuzhiyun .mode = 0644,
58*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
59*4882a593Smuzhiyun .extra1 = &min_ttl,
60*4882a593Smuzhiyun .extra2 = &max_ttl
61*4882a593Smuzhiyun },
62*4882a593Smuzhiyun {
63*4882a593Smuzhiyun .procname = "transport_timeout",
64*4882a593Smuzhiyun .data = &sysctl_netrom_transport_timeout,
65*4882a593Smuzhiyun .maxlen = sizeof(int),
66*4882a593Smuzhiyun .mode = 0644,
67*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
68*4882a593Smuzhiyun .extra1 = &min_t1,
69*4882a593Smuzhiyun .extra2 = &max_t1
70*4882a593Smuzhiyun },
71*4882a593Smuzhiyun {
72*4882a593Smuzhiyun .procname = "transport_maximum_tries",
73*4882a593Smuzhiyun .data = &sysctl_netrom_transport_maximum_tries,
74*4882a593Smuzhiyun .maxlen = sizeof(int),
75*4882a593Smuzhiyun .mode = 0644,
76*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
77*4882a593Smuzhiyun .extra1 = &min_n2,
78*4882a593Smuzhiyun .extra2 = &max_n2
79*4882a593Smuzhiyun },
80*4882a593Smuzhiyun {
81*4882a593Smuzhiyun .procname = "transport_acknowledge_delay",
82*4882a593Smuzhiyun .data = &sysctl_netrom_transport_acknowledge_delay,
83*4882a593Smuzhiyun .maxlen = sizeof(int),
84*4882a593Smuzhiyun .mode = 0644,
85*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
86*4882a593Smuzhiyun .extra1 = &min_t2,
87*4882a593Smuzhiyun .extra2 = &max_t2
88*4882a593Smuzhiyun },
89*4882a593Smuzhiyun {
90*4882a593Smuzhiyun .procname = "transport_busy_delay",
91*4882a593Smuzhiyun .data = &sysctl_netrom_transport_busy_delay,
92*4882a593Smuzhiyun .maxlen = sizeof(int),
93*4882a593Smuzhiyun .mode = 0644,
94*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
95*4882a593Smuzhiyun .extra1 = &min_t4,
96*4882a593Smuzhiyun .extra2 = &max_t4
97*4882a593Smuzhiyun },
98*4882a593Smuzhiyun {
99*4882a593Smuzhiyun .procname = "transport_requested_window_size",
100*4882a593Smuzhiyun .data = &sysctl_netrom_transport_requested_window_size,
101*4882a593Smuzhiyun .maxlen = sizeof(int),
102*4882a593Smuzhiyun .mode = 0644,
103*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
104*4882a593Smuzhiyun .extra1 = &min_window,
105*4882a593Smuzhiyun .extra2 = &max_window
106*4882a593Smuzhiyun },
107*4882a593Smuzhiyun {
108*4882a593Smuzhiyun .procname = "transport_no_activity_timeout",
109*4882a593Smuzhiyun .data = &sysctl_netrom_transport_no_activity_timeout,
110*4882a593Smuzhiyun .maxlen = sizeof(int),
111*4882a593Smuzhiyun .mode = 0644,
112*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
113*4882a593Smuzhiyun .extra1 = &min_idle,
114*4882a593Smuzhiyun .extra2 = &max_idle
115*4882a593Smuzhiyun },
116*4882a593Smuzhiyun {
117*4882a593Smuzhiyun .procname = "routing_control",
118*4882a593Smuzhiyun .data = &sysctl_netrom_routing_control,
119*4882a593Smuzhiyun .maxlen = sizeof(int),
120*4882a593Smuzhiyun .mode = 0644,
121*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
122*4882a593Smuzhiyun .extra1 = &min_route,
123*4882a593Smuzhiyun .extra2 = &max_route
124*4882a593Smuzhiyun },
125*4882a593Smuzhiyun {
126*4882a593Smuzhiyun .procname = "link_fails_count",
127*4882a593Smuzhiyun .data = &sysctl_netrom_link_fails_count,
128*4882a593Smuzhiyun .maxlen = sizeof(int),
129*4882a593Smuzhiyun .mode = 0644,
130*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
131*4882a593Smuzhiyun .extra1 = &min_fails,
132*4882a593Smuzhiyun .extra2 = &max_fails
133*4882a593Smuzhiyun },
134*4882a593Smuzhiyun {
135*4882a593Smuzhiyun .procname = "reset",
136*4882a593Smuzhiyun .data = &sysctl_netrom_reset_circuit,
137*4882a593Smuzhiyun .maxlen = sizeof(int),
138*4882a593Smuzhiyun .mode = 0644,
139*4882a593Smuzhiyun .proc_handler = proc_dointvec_minmax,
140*4882a593Smuzhiyun .extra1 = &min_reset,
141*4882a593Smuzhiyun .extra2 = &max_reset
142*4882a593Smuzhiyun },
143*4882a593Smuzhiyun { }
144*4882a593Smuzhiyun };
145*4882a593Smuzhiyun
nr_register_sysctl(void)146*4882a593Smuzhiyun int __init nr_register_sysctl(void)
147*4882a593Smuzhiyun {
148*4882a593Smuzhiyun nr_table_header = register_net_sysctl(&init_net, "net/netrom", nr_table);
149*4882a593Smuzhiyun if (!nr_table_header)
150*4882a593Smuzhiyun return -ENOMEM;
151*4882a593Smuzhiyun return 0;
152*4882a593Smuzhiyun }
153*4882a593Smuzhiyun
nr_unregister_sysctl(void)154*4882a593Smuzhiyun void nr_unregister_sysctl(void)
155*4882a593Smuzhiyun {
156*4882a593Smuzhiyun unregister_net_sysctl_table(nr_table_header);
157*4882a593Smuzhiyun }
158