net/irda/irproc.c

   1 /*********************************************************************
   2  *
   3  * Filename:      irproc.c
   4  * Version:       1.0
   5  * Description:   Various entries in the /proc file system
   6  * Status:        Experimental.
   7  * Author:        Thomas Davis, <ratbert@radiks.net>
   8  * Created at:    Sat Feb 21 21:33:24 1998
   9  * Modified at:   Sun Nov 14 08:54:54 1999
  10  * Modified by:   Dag Brattli <dagb@cs.uit.no>
  11  *
  12  *     Copyright (c) 1998-1999, Dag Brattli <dagb@cs.uit.no>
  13  *     Copyright (c) 1998, Thomas Davis, <ratbert@radiks.net>,
  14  *     All Rights Reserved.
  15  *
  16  *     This program is free software; you can redistribute it and/or
  17  *     modify it under the terms of the GNU General Public License as
  18  *     published by the Free Software Foundation; either version 2 of
  19  *     the License, or (at your option) any later version.
  20  *
  21  *     I, Thomas Davis, provide no warranty for any of this software.
  22  *     This material is provided "AS-IS" and at no charge.
  23  *
  24  ********************************************************************/
  25
  26 #include <linux/miscdevice.h>
  27 #include <linux/proc_fs.h>
  28 #include <linux/seq_file.h>
  29 #include <linux/module.h>
  30 #include <linux/init.h>
  31 #include <net/net_namespace.h>
  32
  33 #include <net/irda/irda.h>
  34 #include <net/irda/irlap.h>
  35 #include <net/irda/irlmp.h>
  36
  37 extern const struct file_operations discovery_seq_fops;
  38 extern const struct file_operations irlap_seq_fops;
  39 extern const struct file_operations irlmp_seq_fops;
  40 extern const struct file_operations irttp_seq_fops;
  41 extern const struct file_operations irias_seq_fops;
  42
  43 struct irda_entry {
  44         const char *name;
  45         const struct file_operations *fops;
  46 };
  47
  48 struct proc_dir_entry *proc_irda;
  49 EXPORT_SYMBOL(proc_irda);
  50
  51 static const struct irda_entry irda_dirs[] = {
  52         {"discovery",   &discovery_seq_fops},
  53         {"irttp",       &irttp_seq_fops},
  54         {"irlmp",       &irlmp_seq_fops},
  55         {"irlap",       &irlap_seq_fops},
  56         {"irias",       &irias_seq_fops},
  57 };
  58
  59 /*
  60  * Function irda_proc_register (void)
  61  *
  62  *    Register irda entry in /proc file system
  63  *
  64  */
  65 void __init irda_proc_register(void)
  66 {
  67         int i;
  68
  69         proc_irda = proc_mkdir("irda", init_net.proc_net);
  70         if (proc_irda == NULL)
  71                 return;
  72
  73         for (i = 0; i < ARRAY_SIZE(irda_dirs); i++)
  74                 (void) proc_create(irda_dirs[i].name, 0, proc_irda,
  75                                    irda_dirs[i].fops);
  76 }
  77
  78 /*
  79  * Function irda_proc_unregister (void)
  80  *
  81  *    Unregister irda entry in /proc file system
  82  *
  83  */
  84 void irda_proc_unregister(void)
  85 {
  86         int i;
  87
  88         if (proc_irda) {
  89                 for (i=0; i<ARRAY_SIZE(irda_dirs); i++)
  90                         remove_proc_entry(irda_dirs[i].name, proc_irda);
  91
  92                 remove_proc_entry("irda", init_net.proc_net);
  93                 proc_irda = NULL;
  94         }
  95 }
  96
  97