net/ipv6/sysctl_net_ipv6.c

   1 /*
   2  * sysctl_net_ipv6.c: sysctl interface to net IPV6 subsystem.
   3  *
   4  * Changes:
   5  * YOSHIFUJI Hideaki @USAGI:    added icmp sysctl table.
   6  */
   7
   8 #include <linux/mm.h>
   9 #include <linux/sysctl.h>
  10 #include <linux/in6.h>
  11 #include <linux/ipv6.h>
  12 #include <net/ndisc.h>
  13 #include <net/ipv6.h>
  14 #include <net/addrconf.h>
  15 #include <net/inet_frag.h>
  16
  17 static ctl_table ipv6_table[] = {
  18         {
  19                 .ctl_name       = NET_IPV6_ROUTE,
  20                 .procname       = "route",
  21                 .maxlen         = 0,
  22                 .mode           = 0555,
  23                 .child          = ipv6_route_table
  24         },
  25         {
  26                 .ctl_name       = NET_IPV6_ICMP,
  27                 .procname       = "icmp",
  28                 .maxlen         = 0,
  29                 .mode           = 0555,
  30                 .child          = ipv6_icmp_table
  31         },
  32         {
  33                 .ctl_name       = NET_IPV6_BINDV6ONLY,
  34                 .procname       = "bindv6only",
  35                 .data           = &sysctl_ipv6_bindv6only,
  36                 .maxlen         = sizeof(int),
  37                 .mode           = 0644,
  38                 .proc_handler   = &proc_dointvec
  39         },
  40         {
  41                 .ctl_name       = NET_IPV6_IP6FRAG_HIGH_THRESH,
  42                 .procname       = "ip6frag_high_thresh",
  43                 .data           = &ip6_frags_ctl.high_thresh,
  44                 .maxlen         = sizeof(int),
  45                 .mode           = 0644,
  46                 .proc_handler   = &proc_dointvec
  47         },
  48         {
  49                 .ctl_name       = NET_IPV6_IP6FRAG_LOW_THRESH,
  50                 .procname       = "ip6frag_low_thresh",
  51                 .data           = &ip6_frags_ctl.low_thresh,
  52                 .maxlen         = sizeof(int),
  53                 .mode           = 0644,
  54                 .proc_handler   = &proc_dointvec
  55         },
  56         {
  57                 .ctl_name       = NET_IPV6_IP6FRAG_TIME,
  58                 .procname       = "ip6frag_time",
  59                 .data           = &ip6_frags_ctl.timeout,
  60                 .maxlen         = sizeof(int),
  61                 .mode           = 0644,
  62                 .proc_handler   = &proc_dointvec_jiffies,
  63                 .strategy       = &sysctl_jiffies,
  64         },
  65         {
  66                 .ctl_name       = NET_IPV6_IP6FRAG_SECRET_INTERVAL,
  67                 .procname       = "ip6frag_secret_interval",
  68                 .data           = &ip6_frags_ctl.secret_interval,
  69                 .maxlen         = sizeof(int),
  70                 .mode           = 0644,
  71                 .proc_handler   = &proc_dointvec_jiffies,
  72                 .strategy       = &sysctl_jiffies
  73         },
  74         {
  75                 .ctl_name       = NET_IPV6_MLD_MAX_MSF,
  76                 .procname       = "mld_max_msf",
  77                 .data           = &sysctl_mld_max_msf,
  78                 .maxlen         = sizeof(int),
  79                 .mode           = 0644,
  80                 .proc_handler   = &proc_dointvec
  81         },
  82         { .ctl_name = 0 }
  83 };
  84
  85 static struct ctl_path ipv6_ctl_path[] = {
  86         { .procname = "net", .ctl_name = CTL_NET, },
  87         { .procname = "ipv6", .ctl_name = NET_IPV6, },
  88         { },
  89 };
  90
  91 static struct ctl_table_header *ipv6_sysctl_header;
  92
  93 void ipv6_sysctl_register(void)
  94 {
  95         ipv6_sysctl_header = register_sysctl_paths(ipv6_ctl_path, ipv6_table);
  96 }
  97
  98 void ipv6_sysctl_unregister(void)
  99 {
 100         unregister_sysctl_table(ipv6_sysctl_header);
 101 }