net/rose/sysctl_net_rose.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *
   4  * Copyright (C) 1996 Mike Shaver (shaver@zeroknowledge.com)
   5  */
   6 #include <linux/mm.h>
   7 #include <linux/sysctl.h>
   8 #include <linux/init.h>
   9 #include <net/ax25.h>
  10 #include <net/rose.h>
  11
  12 static int min_timer[]  = {1 * HZ};
  13 static int max_timer[]  = {300 * HZ};
  14 static int min_idle[]   = {0 * HZ};
  15 static int max_idle[]   = {65535 * HZ};
  16 static int min_route[1],       max_route[] = {1};
  17 static int min_ftimer[] = {60 * HZ};
  18 static int max_ftimer[] = {600 * HZ};
  19 static int min_maxvcs[] = {1}, max_maxvcs[] = {254};
  20 static int min_window[] = {1}, max_window[] = {7};
  21
  22 static struct ctl_table_header *rose_table_header;
  23
  24 static struct ctl_table rose_table[] = {
  25         {
  26                 .procname       = "restart_request_timeout",
  27                 .data           = &sysctl_rose_restart_request_timeout,
  28                 .maxlen         = sizeof(int),
  29                 .mode           = 0644,
  30                 .proc_handler   = proc_dointvec_minmax,
  31                 .extra1         = &min_timer,
  32                 .extra2         = &max_timer
  33         },
  34         {
  35                 .procname       = "call_request_timeout",
  36                 .data           = &sysctl_rose_call_request_timeout,
  37                 .maxlen         = sizeof(int),
  38                 .mode           = 0644,
  39                 .proc_handler   = proc_dointvec_minmax,
  40                 .extra1         = &min_timer,
  41                 .extra2         = &max_timer
  42         },
  43         {
  44                 .procname       = "reset_request_timeout",
  45                 .data           = &sysctl_rose_reset_request_timeout,
  46                 .maxlen         = sizeof(int),
  47                 .mode           = 0644,
  48                 .proc_handler   = proc_dointvec_minmax,
  49                 .extra1         = &min_timer,
  50                 .extra2         = &max_timer
  51         },
  52         {
  53                 .procname       = "clear_request_timeout",
  54                 .data           = &sysctl_rose_clear_request_timeout,
  55                 .maxlen         = sizeof(int),
  56                 .mode           = 0644,
  57                 .proc_handler   = proc_dointvec_minmax,
  58                 .extra1         = &min_timer,
  59                 .extra2         = &max_timer
  60         },
  61         {
  62                 .procname       = "no_activity_timeout",
  63                 .data           = &sysctl_rose_no_activity_timeout,
  64                 .maxlen         = sizeof(int),
  65                 .mode           = 0644,
  66                 .proc_handler   = proc_dointvec_minmax,
  67                 .extra1         = &min_idle,
  68                 .extra2         = &max_idle
  69         },
  70         {
  71                 .procname       = "acknowledge_hold_back_timeout",
  72                 .data           = &sysctl_rose_ack_hold_back_timeout,
  73                 .maxlen         = sizeof(int),
  74                 .mode           = 0644,
  75                 .proc_handler   = proc_dointvec_minmax,
  76                 .extra1         = &min_timer,
  77                 .extra2         = &max_timer
  78         },
  79         {
  80                 .procname       = "routing_control",
  81                 .data           = &sysctl_rose_routing_control,
  82                 .maxlen         = sizeof(int),
  83                 .mode           = 0644,
  84                 .proc_handler   = proc_dointvec_minmax,
  85                 .extra1         = &min_route,
  86                 .extra2         = &max_route
  87         },
  88         {
  89                 .procname       = "link_fail_timeout",
  90                 .data           = &sysctl_rose_link_fail_timeout,
  91                 .maxlen         = sizeof(int),
  92                 .mode           = 0644,
  93                 .proc_handler   = proc_dointvec_minmax,
  94                 .extra1         = &min_ftimer,
  95                 .extra2         = &max_ftimer
  96         },
  97         {
  98                 .procname       = "maximum_virtual_circuits",
  99                 .data           = &sysctl_rose_maximum_vcs,
 100                 .maxlen         = sizeof(int),
 101                 .mode           = 0644,
 102                 .proc_handler   = proc_dointvec_minmax,
 103                 .extra1         = &min_maxvcs,
 104                 .extra2         = &max_maxvcs
 105         },
 106         {
 107                 .procname       = "window_size",
 108                 .data           = &sysctl_rose_window_size,
 109                 .maxlen         = sizeof(int),
 110                 .mode           = 0644,
 111                 .proc_handler   = proc_dointvec_minmax,
 112                 .extra1         = &min_window,
 113                 .extra2         = &max_window
 114         },
 115         { }
 116 };
 117
 118 void __init rose_register_sysctl(void)
 119 {
 120         rose_table_header = register_net_sysctl(&init_net, "net/rose", rose_table);
 121 }
 122
 123 void rose_unregister_sysctl(void)
 124 {
 125         unregister_net_sysctl_table(rose_table_header);
 126 }