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 #include <linux/config.h>
  28 #include <linux/module.h>
  29
  30 #include <linux/kernel.h>
  31 #include <linux/stddef.h>
  32 #include <linux/string.h>
  33 #include <asm/errno.h>
  34
  35 #include <net/bluetooth/bluetooth.h>
  36
  37 void baswap(bdaddr_t *dst, bdaddr_t *src)
  38 {
  39         unsigned char *d = (unsigned char *) dst;
  40         unsigned char *s = (unsigned char *) src;
  41         unsigned int i;
  42
  43         for (i = 0; i < 6; i++)
  44                 d[i] = s[5 - i];
  45 }
  46 EXPORT_SYMBOL(baswap);
  47
  48 char *batostr(bdaddr_t *ba)
  49 {
  50         static char str[2][18];
  51         static int i = 1;
  52
  53         i ^= 1;
  54         sprintf(str[i], "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
  55                 ba->b[0], ba->b[1], ba->b[2],
  56                 ba->b[3], ba->b[4], ba->b[5]);
  57
  58         return str[i];
  59 }
  60 EXPORT_SYMBOL(batostr);
  61
  62 /* Bluetooth error codes to Unix errno mapping */
  63 int bt_err(__u16 code)
  64 {
  65         switch (code) {
  66         case 0:
  67                 return 0;
  68
  69         case 0x01:
  70                 return EBADRQC;
  71
  72         case 0x02:
  73                 return ENOTCONN;
  74
  75         case 0x03:
  76                 return EIO;
  77
  78         case 0x04:
  79                 return EHOSTDOWN;
  80
  81         case 0x05:
  82                 return EACCES;
  83
  84         case 0x06:
  85                 return EBADE;
  86
  87         case 0x07:
  88                 return ENOMEM;
  89
  90         case 0x08:
  91                 return ETIMEDOUT;
  92
  93         case 0x09:
  94                 return EMLINK;
  95
  96         case 0x0a:
  97                 return EMLINK;
  98
  99         case 0x0b:
 100                 return EALREADY;
 101
 102         case 0x0c:
 103                 return EBUSY;
 104
 105         case 0x0d:
 106         case 0x0e:
 107         case 0x0f:
 108                 return ECONNREFUSED;
 109
 110         case 0x10:
 111                 return ETIMEDOUT;
 112
 113         case 0x11:
 114         case 0x27:
 115         case 0x29:
 116         case 0x20:
 117                 return EOPNOTSUPP;
 118
 119         case 0x12:
 120                 return EINVAL;
 121
 122         case 0x13:
 123         case 0x14:
 124         case 0x15:
 125                 return ECONNRESET;
 126
 127         case 0x16:
 128                 return ECONNABORTED;
 129
 130         case 0x17:
 131                 return ELOOP;
 132
 133         case 0x18:
 134                 return EACCES;
 135
 136         case 0x1a:
 137                 return EPROTONOSUPPORT;
 138
 139         case 0x1b:
 140                 return ECONNREFUSED;
 141
 142         case 0x19:
 143         case 0x1e:
 144         case 0x23:
 145         case 0x24:
 146         case 0x25:
 147                 return EPROTO;
 148
 149         default:
 150                 return ENOSYS;
 151         }
 152 }
 153 EXPORT_SYMBOL(bt_err);