1 /*
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23 */
24
25 /* Bluetooth kernel library. */
26
27 #define pr_fmt(fmt) "Bluetooth: " fmt
28
29 #include <linux/export.h>
30
31 #include <net/bluetooth/bluetooth.h>
32
baswap(bdaddr_t * dst,const bdaddr_t * src)33 void baswap(bdaddr_t *dst, const bdaddr_t *src)
34 {
35 const unsigned char *s = (const unsigned char *)src;
36 unsigned char *d = (unsigned char *)dst;
37 unsigned int i;
38
39 for (i = 0; i < 6; i++)
40 d[i] = s[5 - i];
41 }
42 EXPORT_SYMBOL(baswap);
43
44 /* Bluetooth error codes to Unix errno mapping */
bt_to_errno(__u16 code)45 int bt_to_errno(__u16 code)
46 {
47 switch (code) {
48 case 0:
49 return 0;
50
51 case 0x01:
52 return EBADRQC;
53
54 case 0x02:
55 return ENOTCONN;
56
57 case 0x03:
58 return EIO;
59
60 case 0x04:
61 case 0x3c:
62 return EHOSTDOWN;
63
64 case 0x05:
65 return EACCES;
66
67 case 0x06:
68 return EBADE;
69
70 case 0x07:
71 return ENOMEM;
72
73 case 0x08:
74 return ETIMEDOUT;
75
76 case 0x09:
77 return EMLINK;
78
79 case 0x0a:
80 return EMLINK;
81
82 case 0x0b:
83 return EALREADY;
84
85 case 0x0c:
86 return EBUSY;
87
88 case 0x0d:
89 case 0x0e:
90 case 0x0f:
91 return ECONNREFUSED;
92
93 case 0x10:
94 return ETIMEDOUT;
95
96 case 0x11:
97 case 0x27:
98 case 0x29:
99 case 0x20:
100 return EOPNOTSUPP;
101
102 case 0x12:
103 return EINVAL;
104
105 case 0x13:
106 case 0x14:
107 case 0x15:
108 return ECONNRESET;
109
110 case 0x16:
111 return ECONNABORTED;
112
113 case 0x17:
114 return ELOOP;
115
116 case 0x18:
117 return EACCES;
118
119 case 0x1a:
120 return EPROTONOSUPPORT;
121
122 case 0x1b:
123 return ECONNREFUSED;
124
125 case 0x19:
126 case 0x1e:
127 case 0x23:
128 case 0x24:
129 case 0x25:
130 return EPROTO;
131
132 default:
133 return ENOSYS;
134 }
135 }
136 EXPORT_SYMBOL(bt_to_errno);
137
bt_info(const char * format,...)138 void bt_info(const char *format, ...)
139 {
140 struct va_format vaf;
141 va_list args;
142
143 va_start(args, format);
144
145 vaf.fmt = format;
146 vaf.va = &args;
147
148 pr_info("%pV", &vaf);
149
150 va_end(args);
151 }
152 EXPORT_SYMBOL(bt_info);
153
bt_warn(const char * format,...)154 void bt_warn(const char *format, ...)
155 {
156 struct va_format vaf;
157 va_list args;
158
159 va_start(args, format);
160
161 vaf.fmt = format;
162 vaf.va = &args;
163
164 pr_warn("%pV", &vaf);
165
166 va_end(args);
167 }
168 EXPORT_SYMBOL(bt_warn);
169
bt_err(const char * format,...)170 void bt_err(const char *format, ...)
171 {
172 struct va_format vaf;
173 va_list args;
174
175 va_start(args, format);
176
177 vaf.fmt = format;
178 vaf.va = &args;
179
180 pr_err("%pV", &vaf);
181
182 va_end(args);
183 }
184 EXPORT_SYMBOL(bt_err);
185
186 #ifdef CONFIG_BT_FEATURE_DEBUG
187 static bool debug_enable;
188
bt_dbg_set(bool enable)189 void bt_dbg_set(bool enable)
190 {
191 debug_enable = enable;
192 }
193
bt_dbg_get(void)194 bool bt_dbg_get(void)
195 {
196 return debug_enable;
197 }
198
bt_dbg(const char * format,...)199 void bt_dbg(const char *format, ...)
200 {
201 struct va_format vaf;
202 va_list args;
203
204 if (likely(!debug_enable))
205 return;
206
207 va_start(args, format);
208
209 vaf.fmt = format;
210 vaf.va = &args;
211
212 printk(KERN_DEBUG pr_fmt("%pV"), &vaf);
213
214 va_end(args);
215 }
216 EXPORT_SYMBOL(bt_dbg);
217 #endif
218
bt_warn_ratelimited(const char * format,...)219 void bt_warn_ratelimited(const char *format, ...)
220 {
221 struct va_format vaf;
222 va_list args;
223
224 va_start(args, format);
225
226 vaf.fmt = format;
227 vaf.va = &args;
228
229 pr_warn_ratelimited("%pV", &vaf);
230
231 va_end(args);
232 }
233 EXPORT_SYMBOL(bt_warn_ratelimited);
234
bt_err_ratelimited(const char * format,...)235 void bt_err_ratelimited(const char *format, ...)
236 {
237 struct va_format vaf;
238 va_list args;
239
240 va_start(args, format);
241
242 vaf.fmt = format;
243 vaf.va = &args;
244
245 pr_err_ratelimited("%pV", &vaf);
246
247 va_end(args);
248 }
249 EXPORT_SYMBOL(bt_err_ratelimited);
250
