1/*
2 * Linux WiMAX
3 * Debugfs support
4 *
5 *
6 * Copyright (C) 2005-2006 Intel Corporation <linux-wimax@intel.com>
7 * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License version
11 * 2 as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 * 02110-1301, USA.
22 */
23#include <linux/debugfs.h>
24#include <linux/wimax.h>
25#include "wimax-internal.h"
26
27#define D_SUBMODULE debugfs
28#include "debug-levels.h"
29
30
31#define __debugfs_register(prefix, name, parent)			\
32do {									\
33	result = d_level_register_debugfs(prefix, name, parent);	\
34	if (result < 0)							\
35		goto error;						\
36} while (0)
37
38
39int wimax_debugfs_add(struct wimax_dev *wimax_dev)
40{
41	int result;
42	struct net_device *net_dev = wimax_dev->net_dev;
43	struct device *dev = net_dev->dev.parent;
44	struct dentry *dentry;
45	char buf[128];
46
47	snprintf(buf, sizeof(buf), "wimax:%s", net_dev->name);
48	dentry = debugfs_create_dir(buf, NULL);
49	result = PTR_ERR(dentry);
50	if (IS_ERR(dentry)) {
51		if (result == -ENODEV)
52			result = 0;	/* No debugfs support */
53		else
54			dev_err(dev, "Can't create debugfs dentry: %d\n",
55				result);
56		goto out;
57	}
58	wimax_dev->debugfs_dentry = dentry;
59	__debugfs_register("wimax_dl_", debugfs, dentry);
60	__debugfs_register("wimax_dl_", id_table, dentry);
61	__debugfs_register("wimax_dl_", op_msg, dentry);
62	__debugfs_register("wimax_dl_", op_reset, dentry);
63	__debugfs_register("wimax_dl_", op_rfkill, dentry);
64	__debugfs_register("wimax_dl_", op_state_get, dentry);
65	__debugfs_register("wimax_dl_", stack, dentry);
66	result = 0;
67out:
68	return result;
69
70error:
71	debugfs_remove_recursive(wimax_dev->debugfs_dentry);
72	return result;
73}
74
75void wimax_debugfs_rm(struct wimax_dev *wimax_dev)
76{
77	debugfs_remove_recursive(wimax_dev->debugfs_dentry);
78}
79