xref: /openbmc/linux/net/llc/sysctl_net_llc.c (revision 25985edc) 
1 /*
2  * sysctl_net_llc.c: sysctl interface to LLC net subsystem.
3  *
4  * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
5  */
6 
7 #include <linux/mm.h>
8 #include <linux/init.h>
9 #include <linux/sysctl.h>
10 #include <net/llc.h>
11 
12 #ifndef CONFIG_SYSCTL
13 #error This file should not be compiled without CONFIG_SYSCTL defined
14 #endif
15 
16 static struct ctl_table llc2_timeout_table[] = {
17 	{
18 		.procname	= "ack",
19 		.data		= &sysctl_llc2_ack_timeout,
20 		.maxlen		= sizeof(long),
21 		.mode		= 0644,
22 		.proc_handler   = proc_dointvec_jiffies,
23 	},
24 	{
25 		.procname	= "busy",
26 		.data		= &sysctl_llc2_busy_timeout,
27 		.maxlen		= sizeof(long),
28 		.mode		= 0644,
29 		.proc_handler   = proc_dointvec_jiffies,
30 	},
31 	{
32 		.procname	= "p",
33 		.data		= &sysctl_llc2_p_timeout,
34 		.maxlen		= sizeof(long),
35 		.mode		= 0644,
36 		.proc_handler   = proc_dointvec_jiffies,
37 	},
38 	{
39 		.procname	= "rej",
40 		.data		= &sysctl_llc2_rej_timeout,
41 		.maxlen		= sizeof(long),
42 		.mode		= 0644,
43 		.proc_handler   = proc_dointvec_jiffies,
44 	},
45 	{ },
46 };
47 
48 static struct ctl_table llc_station_table[] = {
49 	{
50 		.procname	= "ack_timeout",
51 		.data		= &sysctl_llc_station_ack_timeout,
52 		.maxlen		= sizeof(long),
53 		.mode		= 0644,
54 		.proc_handler   = proc_dointvec_jiffies,
55 	},
56 	{ },
57 };
58 
59 static struct ctl_table llc2_dir_timeout_table[] = {
60 	{
61 		.procname	= "timeout",
62 		.mode		= 0555,
63 		.child		= llc2_timeout_table,
64 	},
65 	{ },
66 };
67 
68 static struct ctl_table llc_table[] = {
69 	{
70 		.procname	= "llc2",
71 		.mode		= 0555,
72 		.child		= llc2_dir_timeout_table,
73 	},
74 	{
75 		.procname       = "station",
76 		.mode           = 0555,
77 		.child          = llc_station_table,
78 	},
79 	{ },
80 };
81 
82 static struct ctl_path llc_path[] = {
83 	{ .procname = "net", },
84 	{ .procname = "llc", },
85 	{ }
86 };
87 
88 static struct ctl_table_header *llc_table_header;
89 
90 int __init llc_sysctl_init(void)
91 {
92 	llc_table_header = register_sysctl_paths(llc_path, llc_table);
93 
94 	return llc_table_header ? 0 : -ENOMEM;
95 }
96 
97 void llc_sysctl_exit(void)
98 {
99 	if (llc_table_header) {
100 		unregister_sysctl_table(llc_table_header);
101 		llc_table_header = NULL;
102 	}
103 }
104