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 #include <linux/socket.h>
  13 #include <net/sock.h>
  14
  15 #ifdef CONFIG_SYSCTL
  16
  17 extern int netdev_max_backlog;
  18 extern int weight_p;
  19
  20 extern __u32 sysctl_wmem_max;
  21 extern __u32 sysctl_rmem_max;
  22
  23 extern int sysctl_core_destroy_delay;
  24
  25 #ifdef CONFIG_NET_DIVERT
  26 extern char sysctl_divert_version[];
  27 #endif /* CONFIG_NET_DIVERT */
  28
  29 ctl_table core_table[] = {
  30 #ifdef CONFIG_NET
  31         {
  32                 .ctl_name       = NET_CORE_WMEM_MAX,
  33                 .procname       = "wmem_max",
  34                 .data           = &sysctl_wmem_max,
  35                 .maxlen         = sizeof(int),
  36                 .mode           = 0644,
  37                 .proc_handler   = &proc_dointvec
  38         },
  39         {
  40                 .ctl_name       = NET_CORE_RMEM_MAX,
  41                 .procname       = "rmem_max",
  42                 .data           = &sysctl_rmem_max,
  43                 .maxlen         = sizeof(int),
  44                 .mode           = 0644,
  45                 .proc_handler   = &proc_dointvec
  46         },
  47         {
  48                 .ctl_name       = NET_CORE_WMEM_DEFAULT,
  49                 .procname       = "wmem_default",
  50                 .data           = &sysctl_wmem_default,
  51                 .maxlen         = sizeof(int),
  52                 .mode           = 0644,
  53                 .proc_handler   = &proc_dointvec
  54         },
  55         {
  56                 .ctl_name       = NET_CORE_RMEM_DEFAULT,
  57                 .procname       = "rmem_default",
  58                 .data           = &sysctl_rmem_default,
  59                 .maxlen         = sizeof(int),
  60                 .mode           = 0644,
  61                 .proc_handler   = &proc_dointvec
  62         },
  63         {
  64                 .ctl_name       = NET_CORE_DEV_WEIGHT,
  65                 .procname       = "dev_weight",
  66                 .data           = &weight_p,
  67                 .maxlen         = sizeof(int),
  68                 .mode           = 0644,
  69                 .proc_handler   = &proc_dointvec
  70         },
  71         {
  72                 .ctl_name       = NET_CORE_MAX_BACKLOG,
  73                 .procname       = "netdev_max_backlog",
  74                 .data           = &netdev_max_backlog,
  75                 .maxlen         = sizeof(int),
  76                 .mode           = 0644,
  77                 .proc_handler   = &proc_dointvec
  78         },
  79         {
  80                 .ctl_name       = NET_CORE_MSG_COST,
  81                 .procname       = "message_cost",
  82                 .data           = &net_msg_cost,
  83                 .maxlen         = sizeof(int),
  84                 .mode           = 0644,
  85                 .proc_handler   = &proc_dointvec_jiffies,
  86                 .strategy       = &sysctl_jiffies,
  87         },
  88         {
  89                 .ctl_name       = NET_CORE_MSG_BURST,
  90                 .procname       = "message_burst",
  91                 .data           = &net_msg_burst,
  92                 .maxlen         = sizeof(int),
  93                 .mode           = 0644,
  94                 .proc_handler   = &proc_dointvec,
  95         },
  96         {
  97                 .ctl_name       = NET_CORE_OPTMEM_MAX,
  98                 .procname       = "optmem_max",
  99                 .data           = &sysctl_optmem_max,
 100                 .maxlen         = sizeof(int),
 101                 .mode           = 0644,
 102                 .proc_handler   = &proc_dointvec
 103         },
 104 #ifdef CONFIG_NET_DIVERT
 105         {
 106                 .ctl_name       = NET_CORE_DIVERT_VERSION,
 107                 .procname       = "divert_version",
 108                 .data           = (void *)sysctl_divert_version,
 109                 .maxlen         = 32,
 110                 .mode           = 0444,
 111                 .proc_handler   = &proc_dostring
 112         },
 113 #endif /* CONFIG_NET_DIVERT */
 114 #endif /* CONFIG_NET */
 115         {
 116                 .ctl_name       = NET_CORE_SOMAXCONN,
 117                 .procname       = "somaxconn",
 118                 .data           = &sysctl_somaxconn,
 119                 .maxlen         = sizeof(int),
 120                 .mode           = 0644,
 121                 .proc_handler   = &proc_dointvec
 122         },
 123         {
 124                 .ctl_name       = NET_CORE_BUDGET,
 125                 .procname       = "netdev_budget",
 126                 .data           = &netdev_budget,
 127                 .maxlen         = sizeof(int),
 128                 .mode           = 0644,
 129                 .proc_handler   = &proc_dointvec
 130         },
 131         { .ctl_name = 0 }
 132 };
 133
 134 #endif