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:   Fri Oct  8 09:26:46 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
  29 #include <net/irda/irda.h>
  30 #include <net/irda/irmod.h>
  31 #include <net/irda/irlap.h>
  32 #include <net/irda/irlmp.h>
  33
  34 extern int irlap_proc_read(char *buf, char **start, off_t offset, int len,
  35                            int unused);
  36 extern int irlmp_proc_read(char *buf, char **start, off_t offset, int len,
  37                            int unused);
  38 extern int irttp_proc_read(char *buf, char **start, off_t offset, int len,
  39                            int unused);
  40 extern int irias_proc_read(char *buf, char **start, off_t offset, int len,
  41                            int unused);
  42 extern int discovery_proc_read(char *buf, char **start, off_t offset, int len,
  43                                int unused);
  44
  45 struct irda_entry {
  46         char *name;
  47         int (*fn)(char*, char**, off_t, int, int);
  48 };
  49
  50 struct proc_dir_entry *proc_irda;
  51
  52 static struct irda_entry dir[] = {
  53         {"discovery",   discovery_proc_read},
  54         {"irttp",       irttp_proc_read},
  55         {"irlmp",       irlmp_proc_read},
  56         {"irlap",       irlap_proc_read},
  57         {"irias",       irias_proc_read},
  58 };
  59
  60 #define IRDA_ENTRIES_NUM (sizeof(dir)/sizeof(dir[0]))
  61
  62 /*
  63  * Function irda_proc_register (void)
  64  *
  65  *    Register irda entry in /proc file system
  66  *
  67  */
  68 void irda_proc_register(void)
  69 {
  70         int i;
  71
  72         proc_irda = create_proc_entry("net/irda", S_IFDIR, NULL);
  73 #ifdef MODULE
  74         proc_irda->fill_inode = &irda_proc_modcount;
  75 #endif /* MODULE */
  76
  77         for (i=0;i<IRDA_ENTRIES_NUM;i++)
  78                 create_proc_info_entry(dir[i].name,0,proc_irda,dir[i].fn);
  79 }
  80
  81 /*
  82  * Function irda_proc_unregister (void)
  83  *
  84  *    Unregister irda entry in /proc file system
  85  *
  86  */
  87 void irda_proc_unregister(void)
  88 {
  89         int i;
  90
  91         for (i=0;i<IRDA_ENTRIES_NUM;i++)
  92                 remove_proc_entry(dir[i].name, proc_irda);
  93
  94         remove_proc_entry("net/irda", NULL);
  95 }
  96
  97