net/llc/sysctl_net_llc.c

   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 }