LXR 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
  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
  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                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}
 135EXPORT_SYMBOL(bt_to_errno);
 136
 137int 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}
 154EXPORT_SYMBOL(bt_info);
 155
 156int 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}
 173EXPORT_SYMBOL(bt_err);
 174