/*
   * Linux WiMAX
   * Debugfs support
   *
   *
   * Copyright (C) 2005-2006 Intel Corporation <linux-wimax@intel.com>
   * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License version
   * 2 as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
   * 02110-1301, USA.
   */
  #include <linux/debugfs.h>
  #include <linux/wimax.h>
  #include "wimax-internal.h"
  
  #define D_SUBMODULE debugfs
  #include "debug-levels.h"

  #define __debugfs_register(prefix, name, parent)			\
  do {									\
  	result = d_level_register_debugfs(prefix, name, parent);	\
  	if (result < 0)							\
  		goto error;						\
  } while (0)
  
  
  int wimax_debugfs_add(struct wimax_dev *wimax_dev)
  {
  	int result;
  	struct net_device *net_dev = wimax_dev->net_dev;
  	struct device *dev = net_dev->dev.parent;
  	struct dentry *dentry;
  	char buf[128];
  
  	snprintf(buf, sizeof(buf), "wimax:%s", net_dev->name);
  	dentry = debugfs_create_dir(buf, NULL);
  	result = PTR_ERR(dentry);
  	if (IS_ERR(dentry)) {
  		if (result == -ENODEV)
  			result = 0;	/* No debugfs support */
  		else
  			dev_err(dev, "Can't create debugfs dentry: %d
  ",
  				result);
  		goto out;
  	}
  	wimax_dev->debugfs_dentry = dentry;
  	__debugfs_register("wimax_dl_", debugfs, dentry);
  	__debugfs_register("wimax_dl_", id_table, dentry);
  	__debugfs_register("wimax_dl_", op_msg, dentry);
  	__debugfs_register("wimax_dl_", op_reset, dentry);
  	__debugfs_register("wimax_dl_", op_rfkill, dentry);

  	__debugfs_register("wimax_dl_", op_state_get, dentry);

  	__debugfs_register("wimax_dl_", stack, dentry);
  	result = 0;
  out:
  	return result;
  
  error:
  	debugfs_remove_recursive(wimax_dev->debugfs_dentry);
  	return result;
  }
  
  void wimax_debugfs_rm(struct wimax_dev *wimax_dev)
  {
  	debugfs_remove_recursive(wimax_dev->debugfs_dentry);
  }