net/6lowpan/debugfs.c

   1 /* This program is free software; you can redistribute it and/or modify
   2  * it under the terms of the GNU General Public License version 2
   3  * as published by the Free Software Foundation.
   4  *
   5  * This program is distributed in the hope that it will be useful,
   6  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   7  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   8  * GNU General Public License for more details.
   9  *
  10  * Authors:
  11  * (C) 2015 Pengutronix, Alexander Aring <aar@pengutronix.de>
  12  * Copyright (c)  2015 Nordic Semiconductor. All Rights Reserved.
  13  */
  14
  15 #include <net/6lowpan.h>
  16
  17 #include "6lowpan_i.h"
  18
  19 static struct dentry *lowpan_debugfs;
  20
  21 int lowpan_dev_debugfs_init(struct net_device *dev)
  22 {
  23         struct lowpan_priv *lpriv = lowpan_priv(dev);
  24
  25         /* creating the root */
  26         lpriv->iface_debugfs = debugfs_create_dir(dev->name, lowpan_debugfs);
  27         if (!lpriv->iface_debugfs)
  28                 goto fail;
  29
  30         return 0;
  31
  32 fail:
  33         return -EINVAL;
  34 }
  35
  36 void lowpan_dev_debugfs_exit(struct net_device *dev)
  37 {
  38         debugfs_remove_recursive(lowpan_priv(dev)->iface_debugfs);
  39 }
  40
  41 int __init lowpan_debugfs_init(void)
  42 {
  43         lowpan_debugfs = debugfs_create_dir("6lowpan", NULL);
  44         if (!lowpan_debugfs)
  45                 return -EINVAL;
  46
  47         return 0;
  48 }
  49
  50 void lowpan_debugfs_exit(void)
  51 {
  52         debugfs_remove_recursive(lowpan_debugfs);
  53 }