SAFE public projects git trees. - safe/jmp/linux-2.6/blob - net/core/sysctl_net_core.c

   1 /* -*- linux-c -*-
   2  * sysctl_net_core.c: sysctl interface to net core subsystem.
   3  *
   4  * Begun April 1, 1996, Mike Shaver.
   5  * Added /proc/sys/net/core directory entry (empty =) ). [MS]
   6  */
   7
   8 #include <linux/mm.h>
   9 #include <linux/sysctl.h>
  10 #include <linux/config.h>
  11 #include <linux/module.h>
  12
  13 #ifdef CONFIG_SYSCTL
  14
  15 extern int netdev_max_backlog;
  16 extern int weight_p;
  17 extern int no_cong_thresh;
  18 extern int no_cong;
  19 extern int lo_cong;
  20 extern int mod_cong;
  21 extern int net_msg_cost;
  22 extern int net_msg_burst;
  23
  24 extern __u32 sysctl_wmem_max;
  25 extern __u32 sysctl_rmem_max;
  26 extern __u32 sysctl_wmem_default;
  27 extern __u32 sysctl_rmem_default;
  28
  29 extern int sysctl_core_destroy_delay;
  30 extern int sysctl_optmem_max;
  31 extern int sysctl_somaxconn;
  32
  33 #ifdef CONFIG_NET_DIVERT
  34 extern char sysctl_divert_version[];
  35 #endif /* CONFIG_NET_DIVERT */
  36
  37 ctl_table core_table[] = {
  38 #ifdef CONFIG_NET
  39         {
  40                 .ctl_name       = NET_CORE_WMEM_MAX,
  41                 .procname       = "wmem_max",
  42                 .data           = &sysctl_wmem_max,
  43                 .maxlen         = sizeof(int),
  44                 .mode           = 0644,
  45                 .proc_handler   = &proc_dointvec
  46         },
  47         {
  48                 .ctl_name       = NET_CORE_RMEM_MAX,
  49                 .procname       = "rmem_max",
  50                 .data           = &sysctl_rmem_max,
  51                 .maxlen         = sizeof(int),
  52                 .mode           = 0644,
  53                 .proc_handler   = &proc_dointvec
  54         },
  55         {
  56                 .ctl_name       = NET_CORE_WMEM_DEFAULT,
  57                 .procname       = "wmem_default",
  58                 .data           = &sysctl_wmem_default,
  59                 .maxlen         = sizeof(int),
  60                 .mode           = 0644,
  61                 .proc_handler   = &proc_dointvec
  62         },
  63         {
  64                 .ctl_name       = NET_CORE_RMEM_DEFAULT,
  65                 .procname       = "rmem_default",
  66                 .data           = &sysctl_rmem_default,
  67                 .maxlen         = sizeof(int),
  68                 .mode           = 0644,
  69                 .proc_handler   = &proc_dointvec
  70         },
  71         {
  72                 .ctl_name       = NET_CORE_DEV_WEIGHT,
  73                 .procname       = "dev_weight",
  74                 .data           = &weight_p,
  75                 .maxlen         = sizeof(int),
  76                 .mode           = 0644,
  77                 .proc_handler   = &proc_dointvec
  78         },
  79         {
  80                 .ctl_name       = NET_CORE_MAX_BACKLOG,
  81                 .procname       = "netdev_max_backlog",
  82                 .data           = &netdev_max_backlog,
  83                 .maxlen         = sizeof(int),
  84                 .mode           = 0644,
  85                 .proc_handler   = &proc_dointvec
  86         },
  87         {
  88                 .ctl_name       = NET_CORE_NO_CONG_THRESH,
  89                 .procname       = "no_cong_thresh",
  90                 .data           = &no_cong_thresh,
  91                 .maxlen         = sizeof(int),
  92                 .mode           = 0644,
  93                 .proc_handler   = &proc_dointvec
  94         },
  95         {
  96                 .ctl_name       = NET_CORE_NO_CONG,
  97                 .procname       = "no_cong",
  98                 .data           = &no_cong,
  99                 .maxlen         = sizeof(int),
 100                 .mode           = 0644,
 101                 .proc_handler   = &proc_dointvec
 102         },
 103         {
 104                 .ctl_name       = NET_CORE_LO_CONG,
 105                 .procname       = "lo_cong",
 106                 .data           = &lo_cong,
 107                 .maxlen         = sizeof(int),
 108                 .mode           = 0644,
 109                 .proc_handler   = &proc_dointvec
 110         },
 111         {
 112                 .ctl_name       = NET_CORE_MOD_CONG,
 113                 .procname       = "mod_cong",
 114                 .data           = &mod_cong,
 115                 .maxlen         = sizeof(int),
 116                 .mode           = 0644,
 117                 .proc_handler   = &proc_dointvec
 118         },
 119         {
 120                 .ctl_name       = NET_CORE_MSG_COST,
 121                 .procname       = "message_cost",
 122                 .data           = &net_msg_cost,
 123                 .maxlen         = sizeof(int),
 124                 .mode           = 0644,
 125                 .proc_handler   = &proc_dointvec_jiffies,
 126                 .strategy       = &sysctl_jiffies,
 127         },
 128         {
 129                 .ctl_name       = NET_CORE_MSG_BURST,
 130                 .procname       = "message_burst",
 131                 .data           = &net_msg_burst,
 132                 .maxlen         = sizeof(int),
 133                 .mode           = 0644,
 134                 .proc_handler   = &proc_dointvec,
 135         },
 136         {
 137                 .ctl_name       = NET_CORE_OPTMEM_MAX,
 138                 .procname       = "optmem_max",
 139                 .data           = &sysctl_optmem_max,
 140                 .maxlen         = sizeof(int),
 141                 .mode           = 0644,
 142                 .proc_handler   = &proc_dointvec
 143         },
 144 #ifdef CONFIG_NET_DIVERT
 145         {
 146                 .ctl_name       = NET_CORE_DIVERT_VERSION,
 147                 .procname       = "divert_version",
 148                 .data           = (void *)sysctl_divert_version,
 149                 .maxlen         = 32,
 150                 .mode           = 0444,
 151                 .proc_handler   = &proc_dostring
 152         },
 153 #endif /* CONFIG_NET_DIVERT */
 154 #endif /* CONFIG_NET */
 155         {
 156                 .ctl_name       = NET_CORE_SOMAXCONN,
 157                 .procname       = "somaxconn",
 158                 .data           = &sysctl_somaxconn,
 159                 .maxlen         = sizeof(int),
 160                 .mode           = 0644,
 161                 .proc_handler   = &proc_dointvec
 162         },
 163         { .ctl_name = 0 }
 164 };
 165
 166 #endif