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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 <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_XFRM
  25 extern u32 sysctl_xfrm_aevent_etime;
  26 extern u32 sysctl_xfrm_aevent_rseqth;
  27 extern int sysctl_xfrm_larval_drop;
  28 #endif
  29
  30 ctl_table core_table[] = {
  31 #ifdef CONFIG_NET
  32         {
  33                 .ctl_name       = NET_CORE_WMEM_MAX,
  34                 .procname       = "wmem_max",
  35                 .data           = &sysctl_wmem_max,
  36                 .maxlen         = sizeof(int),
  37                 .mode           = 0644,
  38                 .proc_handler   = &proc_dointvec
  39         },
  40         {
  41                 .ctl_name       = NET_CORE_RMEM_MAX,
  42                 .procname       = "rmem_max",
  43                 .data           = &sysctl_rmem_max,
  44                 .maxlen         = sizeof(int),
  45                 .mode           = 0644,
  46                 .proc_handler   = &proc_dointvec
  47         },
  48         {
  49                 .ctl_name       = NET_CORE_WMEM_DEFAULT,
  50                 .procname       = "wmem_default",
  51                 .data           = &sysctl_wmem_default,
  52                 .maxlen         = sizeof(int),
  53                 .mode           = 0644,
  54                 .proc_handler   = &proc_dointvec
  55         },
  56         {
  57                 .ctl_name       = NET_CORE_RMEM_DEFAULT,
  58                 .procname       = "rmem_default",
  59                 .data           = &sysctl_rmem_default,
  60                 .maxlen         = sizeof(int),
  61                 .mode           = 0644,
  62                 .proc_handler   = &proc_dointvec
  63         },
  64         {
  65                 .ctl_name       = NET_CORE_DEV_WEIGHT,
  66                 .procname       = "dev_weight",
  67                 .data           = &weight_p,
  68                 .maxlen         = sizeof(int),
  69                 .mode           = 0644,
  70                 .proc_handler   = &proc_dointvec
  71         },
  72         {
  73                 .ctl_name       = NET_CORE_MAX_BACKLOG,
  74                 .procname       = "netdev_max_backlog",
  75                 .data           = &netdev_max_backlog,
  76                 .maxlen         = sizeof(int),
  77                 .mode           = 0644,
  78                 .proc_handler   = &proc_dointvec
  79         },
  80         {
  81                 .ctl_name       = NET_CORE_MSG_COST,
  82                 .procname       = "message_cost",
  83                 .data           = &net_msg_cost,
  84                 .maxlen         = sizeof(int),
  85                 .mode           = 0644,
  86                 .proc_handler   = &proc_dointvec_jiffies,
  87                 .strategy       = &sysctl_jiffies,
  88         },
  89         {
  90                 .ctl_name       = NET_CORE_MSG_BURST,
  91                 .procname       = "message_burst",
  92                 .data           = &net_msg_burst,
  93                 .maxlen         = sizeof(int),
  94                 .mode           = 0644,
  95                 .proc_handler   = &proc_dointvec,
  96         },
  97         {
  98                 .ctl_name       = NET_CORE_OPTMEM_MAX,
  99                 .procname       = "optmem_max",
 100                 .data           = &sysctl_optmem_max,
 101                 .maxlen         = sizeof(int),
 102                 .mode           = 0644,
 103                 .proc_handler   = &proc_dointvec
 104         },
 105 #ifdef CONFIG_XFRM
 106         {
 107                 .ctl_name       = NET_CORE_AEVENT_ETIME,
 108                 .procname       = "xfrm_aevent_etime",
 109                 .data           = &sysctl_xfrm_aevent_etime,
 110                 .maxlen         = sizeof(u32),
 111                 .mode           = 0644,
 112                 .proc_handler   = &proc_dointvec
 113         },
 114         {
 115                 .ctl_name       = NET_CORE_AEVENT_RSEQTH,
 116                 .procname       = "xfrm_aevent_rseqth",
 117                 .data           = &sysctl_xfrm_aevent_rseqth,
 118                 .maxlen         = sizeof(u32),
 119                 .mode           = 0644,
 120                 .proc_handler   = &proc_dointvec
 121         },
 122         {
 123                 .ctl_name       = CTL_UNNUMBERED,
 124                 .procname       = "xfrm_larval_drop",
 125                 .data           = &sysctl_xfrm_larval_drop,
 126                 .maxlen         = sizeof(int),
 127                 .mode           = 0644,
 128                 .proc_handler   = &proc_dointvec
 129         },
 130 #endif /* CONFIG_XFRM */
 131 #endif /* CONFIG_NET */
 132         {
 133                 .ctl_name       = NET_CORE_SOMAXCONN,
 134                 .procname       = "somaxconn",
 135                 .data           = &sysctl_somaxconn,
 136                 .maxlen         = sizeof(int),
 137                 .mode           = 0644,
 138                 .proc_handler   = &proc_dointvec
 139         },
 140         {
 141                 .ctl_name       = NET_CORE_BUDGET,
 142                 .procname       = "netdev_budget",
 143                 .data           = &netdev_budget,
 144                 .maxlen         = sizeof(int),
 145                 .mode           = 0644,
 146                 .proc_handler   = &proc_dointvec
 147         },
 148         {
 149                 .ctl_name       = NET_CORE_WARNINGS,
 150                 .procname       = "warnings",
 151                 .data           = &net_msg_warn,
 152                 .maxlen         = sizeof(int),
 153                 .mode           = 0644,
 154                 .proc_handler   = &proc_dointvec
 155         },
 156         { .ctl_name = 0 }
 157 };
 158
 159 #endif