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Linux/net/bluetooth/lib.c

  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 
 33 void baswap(bdaddr_t *dst, bdaddr_t *src)
 34 {
 35         unsigned char *d = (unsigned char *) dst;
 36         unsigned char *s = (unsigned char *) src;
 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 */
 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 
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 
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 
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 void bt_err_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_err_ratelimited("%pV", &vaf);
197 
198         va_end(args);
199 }
200 EXPORT_SYMBOL(bt_err_ratelimited);
201 

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