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 Jun  4 09:39:49 1999
  10  * Modified by:   Dag Brattli <dagb@cs.uit.no>
  11  *
  12  *     Copyright (c) 1998-1999, Thomas Davis, <ratbert@radiks.net>,
  13  *     All Rights Reserved.
  14  *
  15  *     This program is free software; you can redistribute it and/or
  16  *     modify it under the terms of the GNU General Public License as
  17  *     published by the Free Software Foundation; either version 2 of
  18  *     the License, or (at your option) any later version.
  19  *
  20  *     I, Thomas Davis, provide no warranty for any of this software.
  21  *     This material is provided "AS-IS" and at no charge.
  22  *
  23  ********************************************************************/
  24
  25 #include <linux/miscdevice.h>
  26 #include <linux/proc_fs.h>
  27
  28 #include <net/irda/irda.h>
  29 #include <net/irda/irmod.h>
  30 #include <net/irda/irlap.h>
  31 #include <net/irda/irlmp.h>
  32
  33 extern int irda_device_proc_read(char *buf, char **start, off_t offset,
  34                                  int len, int unused);
  35 extern int irlap_proc_read(char *buf, char **start, off_t offset, int len,
  36                            int unused);
  37 extern int irlmp_proc_read(char *buf, char **start, off_t offset, int len,
  38                            int unused);
  39 extern int irttp_proc_read(char *buf, char **start, off_t offset, int len,
  40                            int unused);
  41 extern int irias_proc_read(char *buf, char **start, off_t offset, int len,
  42                            int unused);
  43 extern int discovery_proc_read(char *buf, char **start, off_t offset, int len,
  44                                int unused);
  45
  46 /* enum irda_directory_inos { */
  47 /*      PROC_IRDA_LAP = 1, */
  48 /*      PROC_IRDA_LMP, */
  49 /*      PROC_IRDA_TTP, */
  50 /*      PROC_IRDA_LPT, */
  51 /*      PROC_IRDA_COMM, */
  52 /*      PROC_IRDA_IRDA_DEVICE, */
  53 /*      PROC_IRDA_IRIAS */
  54 /* }; */
  55
  56 struct irda_entry {
  57         char *name;
  58         int (*fn)(char*, char**, off_t, int, int);
  59 };
  60
  61 struct proc_dir_entry *proc_irda;
  62
  63 static struct irda_entry dir[] = {
  64         {"discovery",   discovery_proc_read},
  65         {"irda_device", irda_device_proc_read},
  66         {"irttp",       irttp_proc_read},
  67         {"irlmp",       irlmp_proc_read},
  68         {"irlap",       irlap_proc_read},
  69         {"irias",       irias_proc_read},
  70 };
  71
  72 #define IRDA_ENTRIES_NUM (sizeof(dir)/sizeof(dir[0]))
  73
  74 /*
  75  * Function irda_proc_register (void)
  76  *
  77  *    Register irda entry in /proc file system
  78  *
  79  */
  80 void irda_proc_register(void)
  81 {
  82         int i;
  83
  84         proc_irda = create_proc_entry("net/irda", S_IFDIR, NULL);
  85 #ifdef MODULE
  86         proc_irda->fill_inode = &irda_proc_modcount;
  87 #endif /* MODULE */
  88
  89         for (i=0;i<IRDA_ENTRIES_NUM;i++)
  90                 create_proc_entry(dir[i].name,0,proc_irda)->get_info=dir[i].fn;
  91 }
  92
  93 /*
  94  * Function irda_proc_unregister (void)
  95  *
  96  *    Unregister irda entry in /proc file system
  97  *
  98  */
  99 void irda_proc_unregister(void)
 100 {
 101         int i;
 102
 103         for (i=0;i<IRDA_ENTRIES_NUM;i++)
 104                 remove_proc_entry(dir[i].name, proc_irda);
 105
 106         remove_proc_entry("net/irda", NULL);
 107 }
 108
 109