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