err.no Git - linux-2.6/blob - 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/config.h>
   8 #include <linux/mm.h>
   9 #include <linux/init.h>
  10 #include <linux/sysctl.h>
  11
  12 #ifndef CONFIG_SYSCTL
  13 #error This file should not be compiled without CONFIG_SYSCTL defined
  14 #endif
  15
  16 extern int sysctl_llc2_ack_timeout;
  17 extern int sysctl_llc2_busy_timeout;
  18 extern int sysctl_llc2_p_timeout;
  19 extern int sysctl_llc2_rej_timeout;
  20 extern int sysctl_llc_station_ack_timeout;
  21
  22 static struct ctl_table llc2_timeout_table[] = {
  23         {
  24                 .ctl_name       = NET_LLC2_ACK_TIMEOUT,
  25                 .procname       = "ack",
  26                 .data           = &sysctl_llc2_ack_timeout,
  27                 .maxlen         = sizeof(long),
  28                 .mode           = 0644,
  29                 .proc_handler   = &proc_dointvec_jiffies,
  30                 .strategy       = &sysctl_jiffies,
  31         },
  32         {
  33                 .ctl_name       = NET_LLC2_BUSY_TIMEOUT,
  34                 .procname       = "busy",
  35                 .data           = &sysctl_llc2_busy_timeout,
  36                 .maxlen         = sizeof(long),
  37                 .mode           = 0644,
  38                 .proc_handler   = &proc_dointvec_jiffies,
  39                 .strategy       = &sysctl_jiffies,
  40         },
  41         {
  42                 .ctl_name       = NET_LLC2_P_TIMEOUT,
  43                 .procname       = "p",
  44                 .data           = &sysctl_llc2_p_timeout,
  45                 .maxlen         = sizeof(long),
  46                 .mode           = 0644,
  47                 .proc_handler   = &proc_dointvec_jiffies,
  48                 .strategy       = &sysctl_jiffies,
  49         },
  50         {
  51                 .ctl_name       = NET_LLC2_REJ_TIMEOUT,
  52                 .procname       = "rej",
  53                 .data           = &sysctl_llc2_rej_timeout,
  54                 .maxlen         = sizeof(long),
  55                 .mode           = 0644,
  56                 .proc_handler   = &proc_dointvec_jiffies,
  57                 .strategy       = &sysctl_jiffies,
  58         },
  59         { 0 },
  60 };
  61
  62 static struct ctl_table llc_station_table[] = {
  63         {
  64                 .ctl_name       = NET_LLC_STATION_ACK_TIMEOUT,
  65                 .procname       = "ack_timeout",
  66                 .data           = &sysctl_llc_station_ack_timeout,
  67                 .maxlen         = sizeof(long),
  68                 .mode           = 0644,
  69                 .proc_handler   = &proc_dointvec_jiffies,
  70                 .strategy       = &sysctl_jiffies,
  71         },
  72         { 0 },
  73 };
  74
  75 static struct ctl_table llc2_dir_timeout_table[] = {
  76         {
  77                 .ctl_name       = NET_LLC2,
  78                 .procname       = "timeout",
  79                 .mode           = 0555,
  80                 .child          = llc2_timeout_table,
  81         },
  82         { 0 },
  83 };
  84
  85 static struct ctl_table llc_table[] = {
  86         {
  87                 .ctl_name       = NET_LLC2,
  88                 .procname       = "llc2",
  89                 .mode           = 0555,
  90                 .child          = llc2_dir_timeout_table,
  91         },
  92         {
  93                 .ctl_name       = NET_LLC_STATION,
  94                 .procname       = "station",
  95                 .mode           = 0555,
  96                 .child          = llc_station_table,
  97         },
  98         { 0 },
  99 };
 100
 101 static struct ctl_table llc_dir_table[] = {
 102         {
 103                 .ctl_name       = NET_LLC,
 104                 .procname       = "llc",
 105                 .mode           = 0555,
 106                 .child          = llc_table,
 107         },
 108         { 0 },
 109 };
 110
 111 static struct ctl_table llc_root_table[] = {
 112         {
 113                 .ctl_name       = CTL_NET,
 114                 .procname       = "net",
 115                 .mode           = 0555,
 116                 .child          = llc_dir_table,
 117         },
 118         { 0 },
 119 };
 120
 121 static struct ctl_table_header *llc_table_header;
 122
 123 int __init llc_sysctl_init(void)
 124 {
 125         llc_table_header = register_sysctl_table(llc_root_table, 1);
 126
 127         return llc_table_header ? 0 : -ENOMEM;
 128 }
 129
 130 void llc_sysctl_exit(void)
 131 {
 132         if (llc_table_header) {
 133                 unregister_sysctl_table(llc_table_header);
 134                 llc_table_header = NULL;
 135         }
 136 }