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, const bdaddr_t *src) 34 { 35 const unsigned char *s = (const unsigned char *)src; 36 unsigned char *d = (unsigned char *)dst; 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 #ifdef CONFIG_BT_FEATURE_DEBUG 187 static bool debug_enable; 188 189 void bt_dbg_set(bool enable) 190 { 191 debug_enable = enable; 192 } 193 194 bool bt_dbg_get(void) 195 { 196 return debug_enable; 197 } 198 199 void bt_dbg(const char *format, ...) 200 { 201 struct va_format vaf; 202 va_list args; 203 204 if (likely(!debug_enable)) 205 return; 206 207 va_start(args, format); 208 209 vaf.fmt = format; 210 vaf.va = &args; 211 212 printk(KERN_DEBUG pr_fmt("%pV"), &vaf); 213 214 va_end(args); 215 } 216 EXPORT_SYMBOL(bt_dbg); 217 #endif 218 219 void bt_warn_ratelimited(const char *format, ...) 220 { 221 struct va_format vaf; 222 va_list args; 223 224 va_start(args, format); 225 226 vaf.fmt = format; 227 vaf.va = &args; 228 229 pr_warn_ratelimited("%pV", &vaf); 230 231 va_end(args); 232 } 233 EXPORT_SYMBOL(bt_warn_ratelimited); 234 235 void bt_err_ratelimited(const char *format, ...) 236 { 237 struct va_format vaf; 238 va_list args; 239 240 va_start(args, format); 241 242 vaf.fmt = format; 243 vaf.va = &args; 244 245 pr_err_ratelimited("%pV", &vaf); 246 247 va_end(args); 248 } 249 EXPORT_SYMBOL(bt_err_ratelimited); 250