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                 return EHOSTDOWN;
  62
  63         case 0x05:
  64                 return EACCES;
  65
  66         case 0x06:
  67                 return EBADE;
  68
  69         case 0x07:
  70                 return ENOMEM;
  71
  72         case 0x08:
  73                 return ETIMEDOUT;
  74
  75         case 0x09:
  76                 return EMLINK;
  77
  78         case 0x0a:
  79                 return EMLINK;
  80
  81         case 0x0b:
  82                 return EALREADY;
  83
  84         case 0x0c:
  85                 return EBUSY;
  86
  87         case 0x0d:
  88         case 0x0e:
  89         case 0x0f:
  90                 return ECONNREFUSED;
  91
  92         case 0x10:
  93                 return ETIMEDOUT;
  94
  95         case 0x11:
  96         case 0x27:
  97         case 0x29:
  98         case 0x20:
  99                 return EOPNOTSUPP;
 100
 101         case 0x12:
 102                 return EINVAL;
 103
 104         case 0x13:
 105         case 0x14:
 106         case 0x15:
 107                 return ECONNRESET;
 108
 109         case 0x16:
 110                 return ECONNABORTED;
 111
 112         case 0x17:
 113                 return ELOOP;
 114
 115         case 0x18:
 116                 return EACCES;
 117
 118         case 0x1a:
 119                 return EPROTONOSUPPORT;
 120
 121         case 0x1b:
 122                 return ECONNREFUSED;
 123
 124         case 0x19:
 125         case 0x1e:
 126         case 0x23:
 127         case 0x24:
 128         case 0x25:
 129                 return EPROTO;
 130
 131         default:
 132                 return ENOSYS;
 133         }
 134 }
 135 EXPORT_SYMBOL(bt_to_errno);
 136
 137 int bt_info(const char *format, ...)
 138 {
 139         struct va_format vaf;
 140         va_list args;
 141         int r;
 142
 143         va_start(args, format);
 144
 145         vaf.fmt = format;
 146         vaf.va = &args;
 147
 148         r = pr_info("%pV", &vaf);
 149
 150         va_end(args);
 151
 152         return r;
 153 }
 154 EXPORT_SYMBOL(bt_info);
 155
 156 int bt_err(const char *format, ...)
 157 {
 158         struct va_format vaf;
 159         va_list args;
 160         int r;
 161
 162         va_start(args, format);
 163
 164         vaf.fmt = format;
 165         vaf.va = &args;
 166
 167         r = pr_err("%pV", &vaf);
 168
 169         va_end(args);
 170
 171         return r;
 172 }
 173 EXPORT_SYMBOL(bt_err);