LXR linux/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
  37extern const struct file_operations discovery_seq_fops;
  38extern const struct file_operations irlap_seq_fops;
  39extern const struct file_operations irlmp_seq_fops;
  40extern const struct file_operations irttp_seq_fops;
  41extern const struct file_operations irias_seq_fops;
  42
  43struct irda_entry {
  44        const char *name;
  45        const struct file_operations *fops;
  46};
  47
  48struct proc_dir_entry *proc_irda;
  49EXPORT_SYMBOL(proc_irda);
  50
  51static 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 */
  65void __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 */
  84void 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
  98