net/unix/sysctl_net_unix.c

   1 /*
   2  * NET4:        Sysctl interface to net af_unix subsystem.
   3  *
   4  * Authors:     Mike Shaver.
   5  *
   6  *              This program is free software; you can redistribute it and/or
   7  *              modify it under the terms of the GNU General Public License
   8  *              as published by the Free Software Foundation; either version
   9  *              2 of the License, or (at your option) any later version.
  10  */
  11
  12 #include <linux/mm.h>
  13 #include <linux/sysctl.h>
  14
  15 #include <net/af_unix.h>
  16
  17 static ctl_table unix_table[] = {
  18         {
  19                 .ctl_name       = NET_UNIX_MAX_DGRAM_QLEN,
  20                 .procname       = "max_dgram_qlen",
  21                 .data           = &init_net.sysctl_unix_max_dgram_qlen,
  22                 .maxlen         = sizeof(int),
  23                 .mode           = 0644,
  24                 .proc_handler   = &proc_dointvec
  25         },
  26         { .ctl_name = 0 }
  27 };
  28
  29 static struct ctl_path unix_path[] = {
  30         { .procname = "net", .ctl_name = CTL_NET, },
  31         { .procname = "unix", .ctl_name = NET_UNIX, },
  32         { },
  33 };
  34
  35 static struct ctl_table_header * unix_sysctl_header;
  36
  37 int unix_sysctl_register(struct net *net)
  38 {
  39         unix_sysctl_header = register_sysctl_paths(unix_path, unix_table);
  40         return unix_sysctl_header == NULL ? -ENOMEM : 0;
  41 }
  42
  43 void unix_sysctl_unregister(struct net *net)
  44 {
  45         unregister_sysctl_table(unix_sysctl_header);
  46 }
  47