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617209cc IPG |
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 | /* Debug framework control of debug levels */ | |
32 | struct d_level D_LEVEL[] = { | |
33 | D_SUBMODULE_DEFINE(debugfs), | |
34 | D_SUBMODULE_DEFINE(id_table), | |
35 | D_SUBMODULE_DEFINE(op_msg), | |
36 | D_SUBMODULE_DEFINE(op_reset), | |
37 | D_SUBMODULE_DEFINE(op_rfkill), | |
38 | D_SUBMODULE_DEFINE(stack), | |
39 | }; | |
40 | size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL); | |
41 | ||
42 | #define __debugfs_register(prefix, name, parent) \ | |
43 | do { \ | |
44 | result = d_level_register_debugfs(prefix, name, parent); \ | |
45 | if (result < 0) \ | |
46 | goto error; \ | |
47 | } while (0) | |
48 | ||
49 | ||
50 | int wimax_debugfs_add(struct wimax_dev *wimax_dev) | |
51 | { | |
52 | int result; | |
53 | struct net_device *net_dev = wimax_dev->net_dev; | |
54 | struct device *dev = net_dev->dev.parent; | |
55 | struct dentry *dentry; | |
56 | char buf[128]; | |
57 | ||
58 | snprintf(buf, sizeof(buf), "wimax:%s", net_dev->name); | |
59 | dentry = debugfs_create_dir(buf, NULL); | |
60 | result = PTR_ERR(dentry); | |
61 | if (IS_ERR(dentry)) { | |
62 | if (result == -ENODEV) | |
63 | result = 0; /* No debugfs support */ | |
64 | else | |
65 | dev_err(dev, "Can't create debugfs dentry: %d\n", | |
66 | result); | |
67 | goto out; | |
68 | } | |
69 | wimax_dev->debugfs_dentry = dentry; | |
70 | __debugfs_register("wimax_dl_", debugfs, dentry); | |
71 | __debugfs_register("wimax_dl_", id_table, dentry); | |
72 | __debugfs_register("wimax_dl_", op_msg, dentry); | |
73 | __debugfs_register("wimax_dl_", op_reset, dentry); | |
74 | __debugfs_register("wimax_dl_", op_rfkill, dentry); | |
75 | __debugfs_register("wimax_dl_", stack, dentry); | |
76 | result = 0; | |
77 | out: | |
78 | return result; | |
79 | ||
80 | error: | |
81 | debugfs_remove_recursive(wimax_dev->debugfs_dentry); | |
82 | return result; | |
83 | } | |
84 | ||
85 | void wimax_debugfs_rm(struct wimax_dev *wimax_dev) | |
86 | { | |
87 | debugfs_remove_recursive(wimax_dev->debugfs_dentry); | |
88 | } | |
89 | ||
90 |