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/net/bluetooth/lib.c

http://github.com/mirrors/linux
C | 216 lines | 135 code | 56 blank | 25 comment | 2 complexity | ec9f3eabc468173dcf56e0ccb7a894d1 MD5 | raw file
  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
 33void 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}
 42EXPORT_SYMBOL(baswap);
 43
 44/* Bluetooth error codes to Unix errno mapping */
 45int 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}
136EXPORT_SYMBOL(bt_to_errno);
137
138void 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}
152EXPORT_SYMBOL(bt_info);
153
154void 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}
168EXPORT_SYMBOL(bt_warn);
169
170void 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}
184EXPORT_SYMBOL(bt_err);
185
186void bt_warn_ratelimited(const char *format, ...)
187{
188	struct va_format vaf;
189	va_list args;
190
191	va_start(args, format);
192
193	vaf.fmt = format;
194	vaf.va = &args;
195
196	pr_warn_ratelimited("%pV", &vaf);
197
198	va_end(args);
199}
200EXPORT_SYMBOL(bt_warn_ratelimited);
201
202void bt_err_ratelimited(const char *format, ...)
203{
204	struct va_format vaf;
205	va_list args;
206
207	va_start(args, format);
208
209	vaf.fmt = format;
210	vaf.va = &args;
211
212	pr_err_ratelimited("%pV", &vaf);
213
214	va_end(args);
215}
216EXPORT_SYMBOL(bt_err_ratelimited);