linux/net/bluetooth/lib.c
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   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, 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}
  42EXPORT_SYMBOL(baswap);
  43
  44char *batostr(bdaddr_t *ba)
  45{
  46        static char str[2][18];
  47        static int i = 1;
  48
  49        i ^= 1;
  50        sprintf(str[i], "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
  51                ba->b[5], ba->b[4], ba->b[3],
  52                ba->b[2], ba->b[1], ba->b[0]);
  53
  54        return str[i];
  55}
  56EXPORT_SYMBOL(batostr);
  57
  58/* Bluetooth error codes to Unix errno mapping */
  59int bt_to_errno(__u16 code)
  60{
  61        switch (code) {
  62        case 0:
  63                return 0;
  64
  65        case 0x01:
  66                return EBADRQC;
  67
  68        case 0x02:
  69                return ENOTCONN;
  70
  71        case 0x03:
  72                return EIO;
  73
  74        case 0x04:
  75                return EHOSTDOWN;
  76
  77        case 0x05:
  78                return EACCES;
  79
  80        case 0x06:
  81                return EBADE;
  82
  83        case 0x07:
  84                return ENOMEM;
  85
  86        case 0x08:
  87                return ETIMEDOUT;
  88
  89        case 0x09:
  90                return EMLINK;
  91
  92        case 0x0a:
  93                return EMLINK;
  94
  95        case 0x0b:
  96                return EALREADY;
  97
  98        case 0x0c:
  99                return EBUSY;
 100
 101        case 0x0d:
 102        case 0x0e:
 103        case 0x0f:
 104                return ECONNREFUSED;
 105
 106        case 0x10:
 107                return ETIMEDOUT;
 108
 109        case 0x11:
 110        case 0x27:
 111        case 0x29:
 112        case 0x20:
 113                return EOPNOTSUPP;
 114
 115        case 0x12:
 116                return EINVAL;
 117
 118        case 0x13:
 119        case 0x14:
 120        case 0x15:
 121                return ECONNRESET;
 122
 123        case 0x16:
 124                return ECONNABORTED;
 125
 126        case 0x17:
 127                return ELOOP;
 128
 129        case 0x18:
 130                return EACCES;
 131
 132        case 0x1a:
 133                return EPROTONOSUPPORT;
 134
 135        case 0x1b:
 136                return ECONNREFUSED;
 137
 138        case 0x19:
 139        case 0x1e:
 140        case 0x23:
 141        case 0x24:
 142        case 0x25:
 143                return EPROTO;
 144
 145        default:
 146                return ENOSYS;
 147        }
 148}
 149EXPORT_SYMBOL(bt_to_errno);
 150
 151int bt_info(const char *format, ...)
 152{
 153        struct va_format vaf;
 154        va_list args;
 155        int r;
 156
 157        va_start(args, format);
 158
 159        vaf.fmt = format;
 160        vaf.va = &args;
 161
 162        r = pr_info("%pV", &vaf);
 163
 164        va_end(args);
 165
 166        return r;
 167}
 168EXPORT_SYMBOL(bt_info);
 169
 170int bt_err(const char *format, ...)
 171{
 172        struct va_format vaf;
 173        va_list args;
 174        int r;
 175
 176        va_start(args, format);
 177
 178        vaf.fmt = format;
 179        vaf.va = &args;
 180
 181        r = pr_err("%pV", &vaf);
 182
 183        va_end(args);
 184
 185        return r;
 186}
 187EXPORT_SYMBOL(bt_err);
 188
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