wimax: debugfs controls

/*

 * 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"

/* Debug framework control of debug levels */

struct d_level D_LEVEL[] = {

	D_SUBMODULE_DEFINE(debugfs),

	D_SUBMODULE_DEFINE(id_table),

	D_SUBMODULE_DEFINE(op_msg),

	D_SUBMODULE_DEFINE(op_reset),

	D_SUBMODULE_DEFINE(op_rfkill),

	D_SUBMODULE_DEFINE(stack),

};

size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);

#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\n",

				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_", 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);

}