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