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