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
  13 #ifdef CONFIG_SYSCTL
  14
  15 extern int netdev_max_backlog;
  16 extern int weight_p;
  17 extern int no_cong_thresh;
  18 extern int no_cong;
  19 extern int lo_cong;
  20 extern int mod_cong;
  21 extern int netdev_fastroute;
  22 extern int net_msg_cost;
  23 extern int net_msg_burst;
  24
  25 extern __u32 sysctl_wmem_max;
  26 extern __u32 sysctl_rmem_max;
  27 extern __u32 sysctl_wmem_default;
  28 extern __u32 sysctl_rmem_default;
  29
  30 extern int sysctl_core_destroy_delay;
  31 extern int sysctl_optmem_max;
  32 extern int sysctl_somaxconn;
  33
  34 #ifdef CONFIG_NET_DIVERT
  35 extern char sysctl_divert_version[];
  36 #endif /* CONFIG_NET_DIVERT */
  37
  38 ctl_table core_table[] = {
  39 #ifdef CONFIG_NET
  40         {
  41                 .ctl_name       = NET_CORE_WMEM_MAX,
  42                 .procname       = "wmem_max",
  43                 .data           = &sysctl_wmem_max,
  44                 .maxlen         = sizeof(int),
  45                 .mode           = 0644,
  46                 .proc_handler   = &proc_dointvec
  47         },
  48         {
  49                 .ctl_name       = NET_CORE_RMEM_MAX,
  50                 .procname       = "rmem_max",
  51                 .data           = &sysctl_rmem_max,
  52                 .maxlen         = sizeof(int),
  53                 .mode           = 0644,
  54                 .proc_handler   = &proc_dointvec
  55         },
  56         {
  57                 .ctl_name       = NET_CORE_WMEM_DEFAULT,
  58                 .procname       = "wmem_default",
  59                 .data           = &sysctl_wmem_default,
  60                 .maxlen         = sizeof(int),
  61                 .mode           = 0644,
  62                 .proc_handler   = &proc_dointvec
  63         },
  64         {
  65                 .ctl_name       = NET_CORE_RMEM_DEFAULT,
  66                 .procname       = "rmem_default",
  67                 .data           = &sysctl_rmem_default,
  68                 .maxlen         = sizeof(int),
  69                 .mode           = 0644,
  70                 .proc_handler   = &proc_dointvec
  71         },
  72         {
  73                 .ctl_name       = NET_CORE_DEV_WEIGHT,
  74                 .procname       = "dev_weight",
  75                 .data           = &weight_p,
  76                 .maxlen         = sizeof(int),
  77                 .mode           = 0644,
  78                 .proc_handler   = &proc_dointvec
  79         },
  80         {
  81                 .ctl_name       = NET_CORE_MAX_BACKLOG,
  82                 .procname       = "netdev_max_backlog",
  83                 .data           = &netdev_max_backlog,
  84                 .maxlen         = sizeof(int),
  85                 .mode           = 0644,
  86                 .proc_handler   = &proc_dointvec
  87         },
  88         {
  89                 .ctl_name       = NET_CORE_NO_CONG_THRESH,
  90                 .procname       = "no_cong_thresh",
  91                 .data           = &no_cong_thresh,
  92                 .maxlen         = sizeof(int),
  93                 .mode           = 0644,
  94                 .proc_handler   = &proc_dointvec
  95         },
  96         {
  97                 .ctl_name       = NET_CORE_NO_CONG,
  98                 .procname       = "no_cong",
  99                 .data           = &no_cong,
 100                 .maxlen         = sizeof(int),
 101                 .mode           = 0644,
 102                 .proc_handler   = &proc_dointvec
 103         },
 104         {
 105                 .ctl_name       = NET_CORE_LO_CONG,
 106                 .procname       = "lo_cong",
 107                 .data           = &lo_cong,
 108                 .maxlen         = sizeof(int),
 109                 .mode           = 0644,
 110                 .proc_handler   = &proc_dointvec
 111         },
 112         {
 113                 .ctl_name       = NET_CORE_MOD_CONG,
 114                 .procname       = "mod_cong",
 115                 .data           = &mod_cong,
 116                 .maxlen         = sizeof(int),
 117                 .mode           = 0644,
 118                 .proc_handler   = &proc_dointvec
 119         },
 120         {
 121                 .ctl_name       = NET_CORE_MSG_COST,
 122                 .procname       = "message_cost",
 123                 .data           = &net_msg_cost,
 124                 .maxlen         = sizeof(int),
 125                 .mode           = 0644,
 126                 .proc_handler   = &proc_dointvec_jiffies,
 127                 .strategy       = &sysctl_jiffies,
 128         },
 129         {
 130                 .ctl_name       = NET_CORE_MSG_BURST,
 131                 .procname       = "message_burst",
 132                 .data           = &net_msg_burst,
 133                 .maxlen         = sizeof(int),
 134                 .mode           = 0644,
 135                 .proc_handler   = &proc_dointvec,
 136         },
 137         {
 138                 .ctl_name       = NET_CORE_OPTMEM_MAX,
 139                 .procname       = "optmem_max",
 140                 .data           = &sysctl_optmem_max,
 141                 .maxlen         = sizeof(int),
 142                 .mode           = 0644,
 143                 .proc_handler   = &proc_dointvec
 144         },
 145 #ifdef CONFIG_NET_DIVERT
 146         {
 147                 .ctl_name       = NET_CORE_DIVERT_VERSION,
 148                 .procname       = "divert_version",
 149                 .data           = (void *)sysctl_divert_version,
 150                 .maxlen         = 32,
 151                 .mode           = 0444,
 152                 .proc_handler   = &proc_dostring
 153         },
 154 #endif /* CONFIG_NET_DIVERT */
 155 #endif /* CONFIG_NET */
 156         {
 157                 .ctl_name       = NET_CORE_SOMAXCONN,
 158                 .procname       = "somaxconn",
 159                 .data           = &sysctl_somaxconn,
 160                 .maxlen         = sizeof(int),
 161                 .mode           = 0644,
 162                 .proc_handler   = &proc_dointvec
 163         },
 164         { .ctl_name = 0 }
 165 };
 166
 167 #endif