net/irda/irsysctl.c

   1 /*********************************************************************
   2  *
   3  * Filename:      irsysctl.c
   4  * Version:       1.0
   5  * Description:   Sysctl interface for IrDA
   6  * Status:        Experimental.
   7  * Author:        Dag Brattli <dagb@cs.uit.no>
   8  * Created at:    Sun May 24 22:12:06 1998
   9  * Modified at:   Fri Jun  4 02:50:15 1999
  10  * Modified by:   Dag Brattli <dagb@cs.uit.no>
  11  *
  12  *     Copyright (c) 1997, 1999 Dag Brattli, All Rights Reserved.
  13  *
  14  *     This program is free software; you can redistribute it and/or
  15  *     modify it under the terms of the GNU General Public License as
  16  *     published by the Free Software Foundation; either version 2 of
  17  *     the License, or (at your option) any later version.
  18  *
  19  *     Neither Dag Brattli nor University of Tromsø admit liability nor
  20  *     provide warranty for any of this software. This material is
  21  *     provided "AS-IS" and at no charge.
  22  *
  23  ********************************************************************/
  24
  25 #include <linux/config.h>
  26 #include <linux/mm.h>
  27 #include <linux/ctype.h>
  28 #include <linux/sysctl.h>
  29 #include <asm/segment.h>
  30
  31 #include <net/irda/irda.h>
  32 #include <net/irda/irias_object.h>
  33
  34 #define NET_IRDA 412 /* Random number */
  35 enum { DISCOVERY=1, DEVNAME, COMPRESSION, DEBUG, SLOTS, DISCOVERY_TIMEOUT,
  36        SLOT_TIMEOUT, MAX_BAUD_RATE, MAX_INACTIVE_TIME };
  37
  38 extern int  sysctl_discovery;
  39 extern int  sysctl_discovery_slots;
  40 extern int  sysctl_discovery_timeout;
  41 extern int  sysctl_slot_timeout;
  42 extern int  sysctl_fast_poll_increase;
  43 int         sysctl_compression = 0;
  44 extern char sysctl_devname[];
  45 extern int  sysctl_max_baud_rate;
  46 extern int  sysctl_max_inactive_time;
  47
  48 #ifdef CONFIG_IRDA_DEBUG
  49 extern unsigned int irda_debug;
  50 #endif
  51
  52 static int do_devname(ctl_table *table, int write, struct file *filp,
  53                       void *buffer, size_t *lenp)
  54 {
  55         int ret;
  56
  57         ret = proc_dostring(table, write, filp, buffer, lenp);
  58         if (ret == 0 && write) {
  59                 struct ias_value *val;
  60
  61                 val = irias_new_string_value(sysctl_devname);
  62                 if (val)
  63                         irias_object_change_attribute("Device", "DeviceName", val);
  64         }
  65         return ret;
  66 }
  67
  68 /* One file */
  69 static ctl_table irda_table[] = {
  70         { DISCOVERY, "discovery", &sysctl_discovery,
  71           sizeof(int), 0644, NULL, &proc_dointvec },
  72         { DEVNAME, "devname", sysctl_devname,
  73           65, 0644, NULL, &do_devname, &sysctl_string},
  74         { COMPRESSION, "compression", &sysctl_compression,
  75           sizeof(int), 0644, NULL, &proc_dointvec },
  76 #ifdef CONFIG_IRDA_DEBUG
  77         { DEBUG, "debug", &irda_debug,
  78           sizeof(int), 0644, NULL, &proc_dointvec },
  79 #endif
  80 #ifdef CONFIG_IRDA_FAST_RR
  81         { SLOTS, "fast_poll_increase", &sysctl_fast_poll_increase,
  82           sizeof(int), 0644, NULL, &proc_dointvec },
  83 #endif
  84         { SLOTS, "discovery_slots", &sysctl_discovery_slots,
  85           sizeof(int), 0644, NULL, &proc_dointvec },
  86         { DISCOVERY_TIMEOUT, "discovery_timeout", &sysctl_discovery_timeout,
  87           sizeof(int), 0644, NULL, &proc_dointvec },
  88         { SLOT_TIMEOUT, "slot_timeout", &sysctl_slot_timeout,
  89           sizeof(int), 0644, NULL, &proc_dointvec },
  90         { MAX_BAUD_RATE, "max_baud_rate", &sysctl_max_baud_rate,
  91           sizeof(int), 0644, NULL, &proc_dointvec },
  92         { MAX_INACTIVE_TIME, "max_inactive_time", &sysctl_max_inactive_time,
  93           sizeof(int), 0644, NULL, &proc_dointvec },
  94         { 0 }
  95 };
  96
  97 /* One directory */
  98 static ctl_table irda_net_table[] = {
  99         { NET_IRDA, "irda", NULL, 0, 0555, irda_table },
 100         { 0 }
 101 };
 102
 103 /* The parent directory */
 104 static ctl_table irda_root_table[] = {
 105         { CTL_NET, "net", NULL, 0, 0555, irda_net_table },
 106         { 0 }
 107 };
 108
 109 static struct ctl_table_header *irda_table_header;
 110
 111 /*
 112  * Function irda_sysctl_register (void)
 113  *
 114  *    Register our sysctl interface
 115  *
 116  */
 117 int irda_sysctl_register(void)
 118 {
 119         irda_table_header = register_sysctl_table(irda_root_table, 0);
 120         if (!irda_table_header)
 121                 return -ENOMEM;
 122
 123         return 0;
 124 }
 125
 126 /*
 127  * Function irda_sysctl_unregister (void)
 128  *
 129  *    Unregister our sysctl interface
 130  *
 131  */
 132 void irda_sysctl_unregister(void)
 133 {
 134         unregister_sysctl_table(irda_table_header);
 135 }
 136
 137
 138