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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 extern u32 sysctl_xfrm_acq_expires;
  29 #endif
  30
  31 ctl_table core_table[] = {
  32 #ifdef CONFIG_NET
  33         {
  34                 .ctl_name       = NET_CORE_WMEM_MAX,
  35                 .procname       = "wmem_max",
  36                 .data           = &sysctl_wmem_max,
  37                 .maxlen         = sizeof(int),
  38                 .mode           = 0644,
  39                 .proc_handler   = &proc_dointvec
  40         },
  41         {
  42                 .ctl_name       = NET_CORE_RMEM_MAX,
  43                 .procname       = "rmem_max",
  44                 .data           = &sysctl_rmem_max,
  45                 .maxlen         = sizeof(int),
  46                 .mode           = 0644,
  47                 .proc_handler   = &proc_dointvec
  48         },
  49         {
  50                 .ctl_name       = NET_CORE_WMEM_DEFAULT,
  51                 .procname       = "wmem_default",
  52                 .data           = &sysctl_wmem_default,
  53                 .maxlen         = sizeof(int),
  54                 .mode           = 0644,
  55                 .proc_handler   = &proc_dointvec
  56         },
  57         {
  58                 .ctl_name       = NET_CORE_RMEM_DEFAULT,
  59                 .procname       = "rmem_default",
  60                 .data           = &sysctl_rmem_default,
  61                 .maxlen         = sizeof(int),
  62                 .mode           = 0644,
  63                 .proc_handler   = &proc_dointvec
  64         },
  65         {
  66                 .ctl_name       = NET_CORE_DEV_WEIGHT,
  67                 .procname       = "dev_weight",
  68                 .data           = &weight_p,
  69                 .maxlen         = sizeof(int),
  70                 .mode           = 0644,
  71                 .proc_handler   = &proc_dointvec
  72         },
  73         {
  74                 .ctl_name       = NET_CORE_MAX_BACKLOG,
  75                 .procname       = "netdev_max_backlog",
  76                 .data           = &netdev_max_backlog,
  77                 .maxlen         = sizeof(int),
  78                 .mode           = 0644,
  79                 .proc_handler   = &proc_dointvec
  80         },
  81         {
  82                 .ctl_name       = NET_CORE_MSG_COST,
  83                 .procname       = "message_cost",
  84                 .data           = &net_msg_cost,
  85                 .maxlen         = sizeof(int),
  86                 .mode           = 0644,
  87                 .proc_handler   = &proc_dointvec_jiffies,
  88                 .strategy       = &sysctl_jiffies,
  89         },
  90         {
  91                 .ctl_name       = NET_CORE_MSG_BURST,
  92                 .procname       = "message_burst",
  93                 .data           = &net_msg_burst,
  94                 .maxlen         = sizeof(int),
  95                 .mode           = 0644,
  96                 .proc_handler   = &proc_dointvec,
  97         },
  98         {
  99                 .ctl_name       = NET_CORE_OPTMEM_MAX,
 100                 .procname       = "optmem_max",
 101                 .data           = &sysctl_optmem_max,
 102                 .maxlen         = sizeof(int),
 103                 .mode           = 0644,
 104                 .proc_handler   = &proc_dointvec
 105         },
 106 #ifdef CONFIG_XFRM
 107         {
 108                 .ctl_name       = NET_CORE_AEVENT_ETIME,
 109                 .procname       = "xfrm_aevent_etime",
 110                 .data           = &sysctl_xfrm_aevent_etime,
 111                 .maxlen         = sizeof(u32),
 112                 .mode           = 0644,
 113                 .proc_handler   = &proc_dointvec
 114         },
 115         {
 116                 .ctl_name       = NET_CORE_AEVENT_RSEQTH,
 117                 .procname       = "xfrm_aevent_rseqth",
 118                 .data           = &sysctl_xfrm_aevent_rseqth,
 119                 .maxlen         = sizeof(u32),
 120                 .mode           = 0644,
 121                 .proc_handler   = &proc_dointvec
 122         },
 123         {
 124                 .ctl_name       = CTL_UNNUMBERED,
 125                 .procname       = "xfrm_larval_drop",
 126                 .data           = &sysctl_xfrm_larval_drop,
 127                 .maxlen         = sizeof(int),
 128                 .mode           = 0644,
 129                 .proc_handler   = &proc_dointvec
 130         },
 131         {
 132                 .ctl_name       = CTL_UNNUMBERED,
 133                 .procname       = "xfrm_acq_expires",
 134                 .data           = &sysctl_xfrm_acq_expires,
 135                 .maxlen         = sizeof(int),
 136                 .mode           = 0644,
 137                 .proc_handler   = &proc_dointvec
 138         },
 139 #endif /* CONFIG_XFRM */
 140 #endif /* CONFIG_NET */
 141         {
 142                 .ctl_name       = NET_CORE_SOMAXCONN,
 143                 .procname       = "somaxconn",
 144                 .data           = &sysctl_somaxconn,
 145                 .maxlen         = sizeof(int),
 146                 .mode           = 0644,
 147                 .proc_handler   = &proc_dointvec
 148         },
 149         {
 150                 .ctl_name       = NET_CORE_BUDGET,
 151                 .procname       = "netdev_budget",
 152                 .data           = &netdev_budget,
 153                 .maxlen         = sizeof(int),
 154                 .mode           = 0644,
 155                 .proc_handler   = &proc_dointvec
 156         },
 157         {
 158                 .ctl_name       = NET_CORE_WARNINGS,
 159                 .procname       = "warnings",
 160                 .data           = &net_msg_warn,
 161                 .maxlen         = sizeof(int),
 162                 .mode           = 0644,
 163                 .proc_handler   = &proc_dointvec
 164         },
 165         { .ctl_name = 0 }
 166 };
 167
 168 #endif