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) \
32 do { \
33 result = d_level_register_debugfs(prefix, name, parent); \
34 if (result < 0) \
35 goto error; \
36 } while (0)
37
38
wimax_debugfs_add(struct wimax_dev * wimax_dev)39 int 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_", stack, dentry);
65 result = 0;
66 out:
67 return result;
68
69 error:
70 debugfs_remove_recursive(wimax_dev->debugfs_dentry);
71 return result;
72 }
73
wimax_debugfs_rm(struct wimax_dev * wimax_dev)74 void wimax_debugfs_rm(struct wimax_dev *wimax_dev)
75 {
76 debugfs_remove_recursive(wimax_dev->debugfs_dentry);
77 }
78
79
80