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60c5f5fb MH |
1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux | |
3 | ||
4 | Copyright (C) 2014 Intel Corporation | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License version 2 as | |
8 | published by the Free Software Foundation; | |
9 | ||
10 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
11 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
12 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
13 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
14 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | |
15 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
16 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
17 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
18 | ||
19 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
20 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
21 | SOFTWARE IS DISCLAIMED. | |
22 | */ | |
23 | ||
24 | #include <linux/debugfs.h> | |
25 | ||
26 | #include <net/bluetooth/bluetooth.h> | |
27 | #include <net/bluetooth/hci_core.h> | |
28 | ||
29 | #include "hci_debugfs.h" | |
30 | ||
40ce72b1 MH |
31 | static int features_show(struct seq_file *f, void *ptr) |
32 | { | |
33 | struct hci_dev *hdev = f->private; | |
34 | u8 p; | |
35 | ||
36 | hci_dev_lock(hdev); | |
37 | for (p = 0; p < HCI_MAX_PAGES && p <= hdev->max_page; p++) { | |
38 | seq_printf(f, "%2u: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x " | |
39 | "0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n", p, | |
40 | hdev->features[p][0], hdev->features[p][1], | |
41 | hdev->features[p][2], hdev->features[p][3], | |
42 | hdev->features[p][4], hdev->features[p][5], | |
43 | hdev->features[p][6], hdev->features[p][7]); | |
44 | } | |
45 | if (lmp_le_capable(hdev)) | |
46 | seq_printf(f, "LE: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x " | |
47 | "0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n", | |
48 | hdev->le_features[0], hdev->le_features[1], | |
49 | hdev->le_features[2], hdev->le_features[3], | |
50 | hdev->le_features[4], hdev->le_features[5], | |
51 | hdev->le_features[6], hdev->le_features[7]); | |
52 | hci_dev_unlock(hdev); | |
53 | ||
54 | return 0; | |
55 | } | |
56 | ||
57 | static int features_open(struct inode *inode, struct file *file) | |
58 | { | |
59 | return single_open(file, features_show, inode->i_private); | |
60 | } | |
61 | ||
62 | static const struct file_operations features_fops = { | |
63 | .open = features_open, | |
64 | .read = seq_read, | |
65 | .llseek = seq_lseek, | |
66 | .release = single_release, | |
67 | }; | |
68 | ||
69 | static int device_list_show(struct seq_file *f, void *ptr) | |
70 | { | |
71 | struct hci_dev *hdev = f->private; | |
72 | struct hci_conn_params *p; | |
73 | struct bdaddr_list *b; | |
74 | ||
75 | hci_dev_lock(hdev); | |
76 | list_for_each_entry(b, &hdev->whitelist, list) | |
77 | seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type); | |
78 | list_for_each_entry(p, &hdev->le_conn_params, list) { | |
79 | seq_printf(f, "%pMR (type %u) %u\n", &p->addr, p->addr_type, | |
80 | p->auto_connect); | |
81 | } | |
82 | hci_dev_unlock(hdev); | |
83 | ||
84 | return 0; | |
85 | } | |
86 | ||
87 | static int device_list_open(struct inode *inode, struct file *file) | |
88 | { | |
89 | return single_open(file, device_list_show, inode->i_private); | |
90 | } | |
91 | ||
92 | static const struct file_operations device_list_fops = { | |
93 | .open = device_list_open, | |
94 | .read = seq_read, | |
95 | .llseek = seq_lseek, | |
96 | .release = single_release, | |
97 | }; | |
98 | ||
99 | static int blacklist_show(struct seq_file *f, void *p) | |
100 | { | |
101 | struct hci_dev *hdev = f->private; | |
102 | struct bdaddr_list *b; | |
103 | ||
104 | hci_dev_lock(hdev); | |
105 | list_for_each_entry(b, &hdev->blacklist, list) | |
106 | seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type); | |
107 | hci_dev_unlock(hdev); | |
108 | ||
109 | return 0; | |
110 | } | |
111 | ||
112 | static int blacklist_open(struct inode *inode, struct file *file) | |
113 | { | |
114 | return single_open(file, blacklist_show, inode->i_private); | |
115 | } | |
116 | ||
117 | static const struct file_operations blacklist_fops = { | |
118 | .open = blacklist_open, | |
119 | .read = seq_read, | |
120 | .llseek = seq_lseek, | |
121 | .release = single_release, | |
122 | }; | |
123 | ||
124 | static int uuids_show(struct seq_file *f, void *p) | |
125 | { | |
126 | struct hci_dev *hdev = f->private; | |
127 | struct bt_uuid *uuid; | |
128 | ||
129 | hci_dev_lock(hdev); | |
130 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
131 | u8 i, val[16]; | |
132 | ||
133 | /* The Bluetooth UUID values are stored in big endian, | |
134 | * but with reversed byte order. So convert them into | |
135 | * the right order for the %pUb modifier. | |
136 | */ | |
137 | for (i = 0; i < 16; i++) | |
138 | val[i] = uuid->uuid[15 - i]; | |
139 | ||
140 | seq_printf(f, "%pUb\n", val); | |
141 | } | |
142 | hci_dev_unlock(hdev); | |
143 | ||
144 | return 0; | |
145 | } | |
146 | ||
147 | static int uuids_open(struct inode *inode, struct file *file) | |
148 | { | |
149 | return single_open(file, uuids_show, inode->i_private); | |
150 | } | |
151 | ||
152 | static const struct file_operations uuids_fops = { | |
153 | .open = uuids_open, | |
154 | .read = seq_read, | |
155 | .llseek = seq_lseek, | |
156 | .release = single_release, | |
157 | }; | |
158 | ||
159 | static int conn_info_min_age_set(void *data, u64 val) | |
160 | { | |
161 | struct hci_dev *hdev = data; | |
162 | ||
163 | if (val == 0 || val > hdev->conn_info_max_age) | |
164 | return -EINVAL; | |
165 | ||
166 | hci_dev_lock(hdev); | |
167 | hdev->conn_info_min_age = val; | |
168 | hci_dev_unlock(hdev); | |
169 | ||
170 | return 0; | |
171 | } | |
172 | ||
173 | static int conn_info_min_age_get(void *data, u64 *val) | |
174 | { | |
175 | struct hci_dev *hdev = data; | |
176 | ||
177 | hci_dev_lock(hdev); | |
178 | *val = hdev->conn_info_min_age; | |
179 | hci_dev_unlock(hdev); | |
180 | ||
181 | return 0; | |
182 | } | |
183 | ||
184 | DEFINE_SIMPLE_ATTRIBUTE(conn_info_min_age_fops, conn_info_min_age_get, | |
185 | conn_info_min_age_set, "%llu\n"); | |
186 | ||
187 | static int conn_info_max_age_set(void *data, u64 val) | |
188 | { | |
189 | struct hci_dev *hdev = data; | |
190 | ||
191 | if (val == 0 || val < hdev->conn_info_min_age) | |
192 | return -EINVAL; | |
193 | ||
194 | hci_dev_lock(hdev); | |
195 | hdev->conn_info_max_age = val; | |
196 | hci_dev_unlock(hdev); | |
197 | ||
198 | return 0; | |
199 | } | |
200 | ||
201 | static int conn_info_max_age_get(void *data, u64 *val) | |
202 | { | |
203 | struct hci_dev *hdev = data; | |
204 | ||
205 | hci_dev_lock(hdev); | |
206 | *val = hdev->conn_info_max_age; | |
207 | hci_dev_unlock(hdev); | |
208 | ||
209 | return 0; | |
210 | } | |
211 | ||
212 | DEFINE_SIMPLE_ATTRIBUTE(conn_info_max_age_fops, conn_info_max_age_get, | |
213 | conn_info_max_age_set, "%llu\n"); | |
214 | ||
60c5f5fb MH |
215 | void hci_debugfs_create_common(struct hci_dev *hdev) |
216 | { | |
40ce72b1 MH |
217 | debugfs_create_file("features", 0444, hdev->debugfs, hdev, |
218 | &features_fops); | |
219 | debugfs_create_u16("manufacturer", 0444, hdev->debugfs, | |
220 | &hdev->manufacturer); | |
221 | debugfs_create_u8("hci_version", 0444, hdev->debugfs, &hdev->hci_ver); | |
222 | debugfs_create_u16("hci_revision", 0444, hdev->debugfs, &hdev->hci_rev); | |
223 | debugfs_create_file("device_list", 0444, hdev->debugfs, hdev, | |
224 | &device_list_fops); | |
225 | debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev, | |
226 | &blacklist_fops); | |
227 | debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops); | |
228 | ||
229 | debugfs_create_file("conn_info_min_age", 0644, hdev->debugfs, hdev, | |
230 | &conn_info_min_age_fops); | |
231 | debugfs_create_file("conn_info_max_age", 0644, hdev->debugfs, hdev, | |
232 | &conn_info_max_age_fops); | |
60c5f5fb MH |
233 | } |
234 | ||
235 | void hci_debugfs_create_bredr(struct hci_dev *hdev) | |
236 | { | |
237 | } | |
238 | ||
239 | void hci_debugfs_create_le(struct hci_dev *hdev) | |
240 | { | |
241 | } |