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/module.h>
  11 #include <linux/socket.h>
  12 #include <net/sock.h>
  13
  14 #ifdef CONFIG_SYSCTL
  15
  16 extern int netdev_max_backlog;
  17 extern int weight_p;
  18
  19 extern __u32 sysctl_wmem_max;
  20 extern __u32 sysctl_rmem_max;
  21
  22 extern int sysctl_core_destroy_delay;
  23
  24 #ifdef CONFIG_NET_DIVERT
  25 extern char sysctl_divert_version[];
  26 #endif /* CONFIG_NET_DIVERT */
  27
  28 #ifdef CONFIG_XFRM
  29 extern u32 sysctl_xfrm_aevent_etime;
  30 extern u32 sysctl_xfrm_aevent_rseqth;
  31 #endif
  32
  33 ctl_table core_table[] = {
  34 #ifdef CONFIG_NET
  35         {
  36                 .ctl_name       = NET_CORE_WMEM_MAX,
  37                 .procname       = "wmem_max",
  38                 .data           = &sysctl_wmem_max,
  39                 .maxlen         = sizeof(int),
  40                 .mode           = 0644,
  41                 .proc_handler   = &proc_dointvec
  42         },
  43         {
  44                 .ctl_name       = NET_CORE_RMEM_MAX,
  45                 .procname       = "rmem_max",
  46                 .data           = &sysctl_rmem_max,
  47                 .maxlen         = sizeof(int),
  48                 .mode           = 0644,
  49                 .proc_handler   = &proc_dointvec
  50         },
  51         {
  52                 .ctl_name       = NET_CORE_WMEM_DEFAULT,
  53                 .procname       = "wmem_default",
  54                 .data           = &sysctl_wmem_default,
  55                 .maxlen         = sizeof(int),
  56                 .mode           = 0644,
  57                 .proc_handler   = &proc_dointvec
  58         },
  59         {
  60                 .ctl_name       = NET_CORE_RMEM_DEFAULT,
  61                 .procname       = "rmem_default",
  62                 .data           = &sysctl_rmem_default,
  63                 .maxlen         = sizeof(int),
  64                 .mode           = 0644,
  65                 .proc_handler   = &proc_dointvec
  66         },
  67         {
  68                 .ctl_name       = NET_CORE_DEV_WEIGHT,
  69                 .procname       = "dev_weight",
  70                 .data           = &weight_p,
  71                 .maxlen         = sizeof(int),
  72                 .mode           = 0644,
  73                 .proc_handler   = &proc_dointvec
  74         },
  75         {
  76                 .ctl_name       = NET_CORE_MAX_BACKLOG,
  77                 .procname       = "netdev_max_backlog",
  78                 .data           = &netdev_max_backlog,
  79                 .maxlen         = sizeof(int),
  80                 .mode           = 0644,
  81                 .proc_handler   = &proc_dointvec
  82         },
  83         {
  84                 .ctl_name       = NET_CORE_MSG_COST,
  85                 .procname       = "message_cost",
  86                 .data           = &net_msg_cost,
  87                 .maxlen         = sizeof(int),
  88                 .mode           = 0644,
  89                 .proc_handler   = &proc_dointvec_jiffies,
  90                 .strategy       = &sysctl_jiffies,
  91         },
  92         {
  93                 .ctl_name       = NET_CORE_MSG_BURST,
  94                 .procname       = "message_burst",
  95                 .data           = &net_msg_burst,
  96                 .maxlen         = sizeof(int),
  97                 .mode           = 0644,
  98                 .proc_handler   = &proc_dointvec,
  99         },
 100         {
 101                 .ctl_name       = NET_CORE_OPTMEM_MAX,
 102                 .procname       = "optmem_max",
 103                 .data           = &sysctl_optmem_max,
 104                 .maxlen         = sizeof(int),
 105                 .mode           = 0644,
 106                 .proc_handler   = &proc_dointvec
 107         },
 108 #ifdef CONFIG_NET_DIVERT
 109         {
 110                 .ctl_name       = NET_CORE_DIVERT_VERSION,
 111                 .procname       = "divert_version",
 112                 .data           = (void *)sysctl_divert_version,
 113                 .maxlen         = 32,
 114                 .mode           = 0444,
 115                 .proc_handler   = &proc_dostring
 116         },
 117 #endif /* CONFIG_NET_DIVERT */
 118 #ifdef CONFIG_XFRM
 119         {
 120                 .ctl_name       = NET_CORE_AEVENT_ETIME,
 121                 .procname       = "xfrm_aevent_etime",
 122                 .data           = &sysctl_xfrm_aevent_etime,
 123                 .maxlen         = sizeof(u32),
 124                 .mode           = 0644,
 125                 .proc_handler   = &proc_dointvec
 126         },
 127         {
 128                 .ctl_name       = NET_CORE_AEVENT_RSEQTH,
 129                 .procname       = "xfrm_aevent_rseqth",
 130                 .data           = &sysctl_xfrm_aevent_rseqth,
 131                 .maxlen         = sizeof(u32),
 132                 .mode           = 0644,
 133                 .proc_handler   = &proc_dointvec
 134         },
 135 #endif /* CONFIG_XFRM */
 136 #endif /* CONFIG_NET */
 137         {
 138                 .ctl_name       = NET_CORE_SOMAXCONN,
 139                 .procname       = "somaxconn",
 140                 .data           = &sysctl_somaxconn,
 141                 .maxlen         = sizeof(int),
 142                 .mode           = 0644,
 143                 .proc_handler   = &proc_dointvec
 144         },
 145         {
 146                 .ctl_name       = NET_CORE_BUDGET,
 147                 .procname       = "netdev_budget",
 148                 .data           = &netdev_budget,
 149                 .maxlen         = sizeof(int),
 150                 .mode           = 0644,
 151                 .proc_handler   = &proc_dointvec
 152         },
 153         { .ctl_name = 0 }
 154 };
 155
 156 #endif