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1 /*-
2  * util.c
3  *
4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5  *
6  * Copyright (c) 2001 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $Id: util.c,v 1.2 2003/05/19 17:29:29 max Exp $
31  * $FreeBSD$
32  */
33  
34 #include <sys/param.h>
35 #define L2CAP_SOCKET_CHECKED
36 #include <bluetooth.h>
37 #include <stdio.h>
38 #include <string.h>
39
40 #define SIZE(x) (sizeof((x))/sizeof((x)[0]))
41
42 char const *
43 hci_link2str(int link_type)
44 {
45         static char const * const       t[] = {
46                 /* NG_HCI_LINK_SCO */ "SCO",
47                 /* NG_HCI_LINK_ACL */ "ACL"
48         };
49
50         return (link_type >= SIZE(t)? "?" : t[link_type]);
51 } /* hci_link2str */
52
53 char const *
54 hci_pin2str(int type)
55 {
56         static char const * const       t[] = {
57                 /* 0x00 */ "Variable PIN",
58                 /* 0x01 */ "Fixed PIN"
59         };
60
61         return (type >= SIZE(t)? "?" : t[type]);
62 } /* hci_pin2str */
63
64 char const *
65 hci_scan2str(int scan)
66 {
67         static char const * const       t[] = {
68                 /* 0x00 */ "No Scan enabled",
69                 /* 0x01 */ "Inquiry Scan enabled. Page Scan disabled",
70                 /* 0x02 */ "Inquiry Scan disabled. Page Scan enabled",
71                 /* 0x03 */ "Inquiry Scan enabled. Page Scan enabled"
72         };
73
74         return (scan >= SIZE(t)? "?" : t[scan]);
75 } /* hci_scan2str */
76
77 char const *
78 hci_encrypt2str(int encrypt, int brief)
79 {
80         static char const * const       t[] = {
81                 /* 0x00 */ "Disabled",
82                 /* 0x01 */ "Only for point-to-point packets",
83                 /* 0x02 */ "Both point-to-point and broadcast packets"
84         };
85
86         static char const * const       t1[] = {
87                 /* NG_HCI_ENCRYPTION_MODE_NONE */ "NONE",
88                 /* NG_HCI_ENCRYPTION_MODE_P2P */  "P2P",
89                 /* NG_HCI_ENCRYPTION_MODE_ALL */  "ALL",
90         };
91
92         if (brief)
93                 return (encrypt >= SIZE(t1)? "?" : t1[encrypt]);
94
95         return (encrypt >= SIZE(t)? "?" : t[encrypt]);
96 } /* hci_encrypt2str */
97
98 char const *
99 hci_coding2str(int coding)
100 {
101         static char const * const       t[] = {
102                 /* 0x00 */ "Linear",
103                 /* 0x01 */ "u-law",
104                 /* 0x02 */ "A-law",
105                 /* 0x03 */ "Reserved"
106         };
107
108         return (coding >= SIZE(t)? "?" : t[coding]);
109 } /* hci_coding2str */
110
111 char const *
112 hci_vdata2str(int data)
113 {
114         static char const * const       t[] = {
115                 /* 0x00 */ "1's complement",
116                 /* 0x01 */ "2's complement",
117                 /* 0x02 */ "Sign-Magnitude",
118                 /* 0x03 */ "Reserved"
119         };
120
121         return (data >= SIZE(t)? "?" : t[data]);
122 } /* hci_vdata2str */
123
124 char const *
125 hci_hmode2str(int mode, char *buffer, int size)
126 {
127         static char const * const       t[] = {
128                 /* 0x01 */ "Suspend Page Scan ",
129                 /* 0x02 */ "Suspend Inquiry Scan ",
130                 /* 0x04 */ "Suspend Periodic Inquiries "
131         };
132
133         if (buffer != NULL && size > 0) {
134                 int     n;
135
136                 memset(buffer, 0, size);
137                 for (n = 0; n < SIZE(t); n++) {
138                         int     len = strlen(buffer);
139
140                         if (len >= size)
141                                 break;
142                         if (mode & (1 << n))
143                                 strncat(buffer, t[n], size - len);
144                 }
145         }
146
147         return (buffer);
148 } /* hci_hmode2str */
149
150 char const *
151 hci_ver2str(int ver)
152 {
153         static char const * const       t[] = {
154                 /* 0x00 */ "Bluetooth HCI Specification 1.0B",
155                 /* 0x01 */ "Bluetooth HCI Specification 1.1",
156                 /* 0x02 */ "Bluetooth HCI Specification 1.2",
157                 /* 0x03 */ "Bluetooth HCI Specification 2.0",
158                 /* 0x04 */ "Bluetooth HCI Specification 2.1",
159                 /* 0x05 */ "Bluetooth HCI Specification 3.0",
160                 /* 0x06 */ "Bluetooth HCI Specification 4.0",
161                 /* 0x07 */ "Bluetooth HCI Specification 4.1",
162                 /* 0x08 */ "Bluetooth HCI Specification 4.2"            
163         };
164
165         return (ver >= SIZE(t)? "?" : t[ver]);
166 } /* hci_ver2str */
167
168 char const *
169 hci_lmpver2str(int ver)
170 {
171         static char const * const       t[] = {
172                 /* 0x00 */ "Bluetooth LMP 1.0",
173                 /* 0x01 */ "Bluetooth LMP 1.1",
174                 /* 0x02 */ "Bluetooth LMP 1.2",
175                 /* 0x03 */ "Bluetooth LMP 2.0",
176                 /* 0x04 */ "Bluetooth LMP 2.1",
177                 /* 0x04 */ "Bluetooth LMP 3.0",
178                 /* 0x04 */ "Bluetooth LMP 4.0",
179                 /* 0x04 */ "Bluetooth LMP 4.1",
180                 /* 0x04 */ "Bluetooth LMP 4.2"          
181         };
182
183         return (ver >= SIZE(t)? "?" : t[ver]);
184 } /* hci_lmpver2str */
185
186 char const *
187 hci_manufacturer2str(int m)
188 {
189         static char const * const       t[] = {
190                 /* 0000 */ "Ericsson Technology Licensing",
191                 /* 0001 */ "Nokia Mobile Phones",
192                 /* 0002 */ "Intel Corp.",
193                 /* 0003 */ "IBM Corp.",
194                 /* 0004 */ "Toshiba Corp.",
195                 /* 0005 */ "3Com",
196                 /* 0006 */ "Microsoft",
197                 /* 0007 */ "Lucent",
198                 /* 0008 */ "Motorola",
199                 /* 0009 */ "Infineon Technologies AG",
200                 /* 0010 */ "Cambridge Silicon Radio",
201                 /* 0011 */ "Silicon Wave",
202                 /* 0012 */ "Digianswer A/S",
203                 /* 0013 */ "Texas Instruments Inc.",
204                 /* 0014 */ "Parthus Technologies Inc.",
205                 /* 0015 */ "Broadcom Corporation",
206                 /* 0016 */ "Mitel Semiconductor",
207                 /* 0017 */ "Widcomm, Inc.",
208                 /* 0018 */ "Zeevo, Inc.",
209                 /* 0019 */ "Atmel Corporation",
210                 /* 0020 */ "Mitsubishi Electric Corporation",
211                 /* 0021 */ "RTX Telecom A/S",
212                 /* 0022 */ "KC Technology Inc.",
213                 /* 0023 */ "Newlogic",
214                 /* 0024 */ "Transilica, Inc.",
215                 /* 0025 */ "Rohde & Schwartz GmbH & Co. KG",
216                 /* 0026 */ "TTPCom Limited",
217                 /* 0027 */ "Signia Technologies, Inc.",
218                 /* 0028 */ "Conexant Systems Inc.",
219                 /* 0029 */ "Qualcomm",
220                 /* 0030 */ "Inventel",
221                 /* 0031 */ "AVM Berlin",
222                 /* 0032 */ "BandSpeed, Inc.",
223                 /* 0033 */ "Mansella Ltd",
224                 /* 0034 */ "NEC Corporation",
225                 /* 0035 */ "WavePlus Technology Co., Ltd.",
226                 /* 0036 */ "Alcatel",
227                 /* 0037 */ "Philips Semiconductors",
228                 /* 0038 */ "C Technologies",
229                 /* 0039 */ "Open Interface",
230                 /* 0040 */ "R F Micro Devices",
231                 /* 0041 */ "Hitachi Ltd",
232                 /* 0042 */ "Symbol Technologies, Inc.",
233                 /* 0043 */ "Tenovis",
234                 /* 0044 */ "Macronix International Co. Ltd.",
235                 /* 0045 */ "GCT Semiconductor",
236                 /* 0046 */ "Norwood Systems",
237                 /* 0047 */ "MewTel Technology Inc.",
238                 /* 0048 */ "ST Microelectronics",
239                 /* 0049 */ "Synopsys",
240                 /* 0050 */ "Red-M (Communications) Ltd",
241                 /* 0051 */ "Commil Ltd",
242                 /* 0052 */ "Computer Access Technology Corporation (CATC)",
243                 /* 0053 */ "Eclipse (HQ Espana) S.L.",
244                 /* 0054 */ "Renesas Technology Corp.",
245                 /* 0055 */ "Mobilian Corporation",
246                 /* 0056 */ "Terax",
247                 /* 0057 */ "Integrated System Solution Corp.",
248                 /* 0058 */ "Matsushita Electric Industrial Co., Ltd.",
249                 /* 0059 */ "Gennum Corporation",
250                 /* 0060 */ "Research In Motion",
251                 /* 0061 */ "IPextreme, Inc.",
252                 /* 0062 */ "Systems and Chips, Inc",
253                 /* 0063 */ "Bluetooth SIG, Inc",
254                 /* 0064 */ "Seiko Epson Corporation"
255         };
256
257         return (m >= SIZE(t)? "?" : t[m]);
258 } /* hci_manufacturer2str */
259
260 char const *
261 hci_features2str(uint8_t *features, char *buffer, int size)
262 {
263         static char const * const       t[][8] = {
264         { /* byte 0 */
265                 /* 0 */ "<3-Slot> ",
266                 /* 1 */ "<5-Slot> ",
267                 /* 2 */ "<Encryption> ",
268                 /* 3 */ "<Slot offset> ",
269                 /* 4 */ "<Timing accuracy> ",
270                 /* 5 */ "<Switch> ",
271                 /* 6 */ "<Hold mode> ",
272                 /* 7 */ "<Sniff mode> "
273         },
274         { /* byte 1 */
275                 /* 0 */ "<Park mode> ",
276                 /* 1 */ "<RSSI> ",
277                 /* 2 */ "<Channel quality> ",
278                 /* 3 */ "<SCO link> ",
279                 /* 4 */ "<HV2 packets> ",
280                 /* 5 */ "<HV3 packets> ",
281                 /* 6 */ "<u-law log> ",
282                 /* 7 */ "<A-law log> "
283         },
284         { /* byte 2 */
285                 /* 0 */ "<CVSD> ",
286                 /* 1 */ "<Paging scheme> ",
287                 /* 2 */ "<Power control> ",
288                 /* 3 */ "<Transparent SCO data> ",
289                 /* 4 */ "<Flow control lag (bit0)> ",
290                 /* 5 */ "<Flow control lag (bit1)> ",
291                 /* 6 */ "<Flow control lag (bit2)> ",
292                 /* 7 */ "<Broadcast Encryption> "
293         },
294         { /* byte 3 */
295                 /* 0 */ "<Unknown 3.0> ",
296                 /* 1 */ "<EDR ACL 2 Mb/s> ",
297                 /* 2 */ "<EDR ACL 3 Mb/s> ",
298                 /* 3 */ "<Enhanced inquiry scan> ",
299                 /* 4 */ "<Interlaced inquiry scan> ",
300                 /* 5 */ "<Interlaced page scan> ",
301                 /* 6 */ "<RSSI with inquiry results> ",
302                 /* 7 */ "<Extended SCO link (EV3 packets)> "
303         },
304         { /* byte 4 */
305                 /* 0 */ "<EV4 packets> ",
306                 /* 1 */ "<EV5 packets> ",
307                 /* 2 */ "<Unknown 4.2> ",
308                 /* 3 */ "<AFH capable slave> ",
309                 /* 4 */ "<AFH classification slave> ",
310                 /* 5 */ "<BR/EDR Not Supported> ",
311                 /* 6 */ "<LE Supported (Controller)> ",
312                 /* 7 */ "<3-Slot EDR ACL packets> "
313         },
314         { /* byte 5 */
315                 /* 0 */ "<5-Slot EDR ACL packets> ",
316                 /* 1 */ "<Sniff subrating> ",
317                 /* 2 */ "<Pause encryption> ",
318                 /* 3 */ "<AFH capable master> ",
319                 /* 4 */ "<AFH classification master> ",
320                 /* 5 */ "<EDR eSCO 2 Mb/s mode> ",
321                 /* 6 */ "<EDR eSCO 3 Mb/s mode> ",
322                 /* 7 */ "<3-Slot EDR eSCO packets> "
323         },
324         { /* byte 6 */
325                 /* 0 */ "<Enhanced Inquiry Response> ",
326                 /* 1 */ "<Simultaneous LE and BR/EDR (Controller)> ",
327                 /* 2 */ "<Unknown 6.2> ",
328                 /* 3 */ "<Secure Simple Pairing (Controller Support)> ",
329                 /* 4 */ "<Encapsulated PDU> ",
330                 /* 5 */ "<Erroneous Data Reporting> ",
331                 /* 6 */ "<Non-flushable Packed Boundary Flag> ",
332                 /* 7 */ "<Unknown 6.7> "
333         },
334         { /* byte 7 */
335                 /* 0 */ "<HCI_Link_Supervision_Timeout_Changed event> ",
336                 /* 1 */ "<Variable Inquiry TX Power Level> ",
337                 /* 2 */ "<Enhanced Power Control> ",
338                 /* 3 */ "<Unknown 7.3> ",
339                 /* 4 */ "<Unknown 7.4> ",
340                 /* 5 */ "<Unknown 7.5> ",
341                 /* 6 */ "<Unknown 7.6> ",
342                 /* 7 */ "<Extended features> "
343         }};
344
345         if (buffer != NULL && size > 0) {
346                 int     n, i, len0, len1;
347
348                 memset(buffer, 0, size);
349                 len1 = 0;
350
351                 for (n = 0; n < SIZE(t); n++) {
352                         for (i = 0; i < SIZE(t[n]); i++) {
353                                 len0 = strlen(buffer);
354                                 if (len0 >= size)
355                                         goto done;
356
357                                 if (features[n] & (1 << i)) {
358                                         if (len1 + strlen(t[n][i]) > 60) {
359                                                 len1 = 0;
360                                                 buffer[len0 - 1] = '\n';
361                                         }
362
363                                         len1 += strlen(t[n][i]);
364                                         strncat(buffer, t[n][i], size - len0);
365                                 }
366                         }
367                 }
368         }
369 done:
370         return (buffer);
371 } /* hci_features2str */
372
373 char const *
374 hci_le_features2str(uint8_t *features, char *buffer, int size)
375 {
376         static char const * const t[][8] = {
377         { /* byte 0 */
378                 /* 0 */ "<LE Encryption> ",
379                 /* 1 */ "<Connection Parameters Request Procedure> ",
380                 /* 2 */ "<Extended Reject Indication> ",
381                 /* 3 */ "<Slave-initiated Features Exchange> ",
382                 /* 4 */ "<LE Ping> ",
383                 /* 5 */ "<LE Data Packet Length Extension> ",
384                 /* 6 */ "<LL Privacy> ",
385                 /* 7 */ "<Extended Scanner Filter Policies> "
386         },
387         { /* byte 1 */
388                 /* 0 */ "<LE 2M PHY> ",
389                 /* 1 */ "<Stable Modulation Index - Transmitter> ",
390                 /* 2 */ "<Stable Modulation Index - Receiver> ",
391                 /* 3 */ "<LE Coded PHY> ",
392                 /* 4 */ "<LE Extended Advertising> ",
393                 /* 5 */ "<LE Periodic Advertising> ",
394                 /* 6 */ "<Channel Selection Algorithm #2> ",
395                 /* 7 */ "<LE Power Class 1> "
396         },
397         { /* byte 2 */
398                 /* 0 */ "<Minimum Number of Used Channels Procedure> ",
399                 /* 1 */ "<Connection CTE Request> ",
400                 /* 2 */ "<Connection CTE Response> ",
401                 /* 3 */ "<Connectionless CTE Transmitter> ",
402                 /* 4 */ "<Connectionless CTE Receiver> ",
403                 /* 5 */ "<Antenna Switching During CTE Transmission (AoD)> ",
404                 /* 6 */ "<Antenna Switching During CTE Reception (AoA)> ",
405                 /* 7 */ "<Receiving Constant Tone Extensions> "
406         },
407         { /* byte 3 */
408                 /* 0 */ "<Periodic Advertising Sync Transfer - Sender> ",
409                 /* 1 */ "<Periodic Advertising Sync Transfer - Recipient> ",
410                 /* 2 */ "<Sleep Clock Accuracy Updates> ",
411                 /* 3 */ "<Remote Public Key Validation> ",
412                 /* 4 */ "<Connected Isochronous Stream - Master> ",
413                 /* 5 */ "<Connected Isochronous Stream - Slave> ",
414                 /* 6 */ "<Isochronous Broadcaster> ",
415                 /* 7 */ "<Synchronized Receiver> "
416         },
417         { /* byte 4 */
418                 /* 0 */ "<Isochronous Channels (Host Support)> ",
419                 /* 1 */ "<LE Power Control Request> ",
420                 /* 2 */ "<LE Power Change Indication> ",
421                 /* 3 */ "<LE Path Loss Monitoring> ",
422                 /* 4 */ "<Reserved for future use> ",
423                 /* 5 */ "<Unknown 4.5> ",
424                 /* 6 */ "<Unknown 4.6> ",
425                 /* 7 */ "<Unknown 4.7> "
426         },
427         { /* byte 5 */
428                 /* 0 */ "<Unknown 5.0> ",
429                 /* 1 */ "<Unknown 5.1> ",
430                 /* 2 */ "<Unknown 5.2> ",
431                 /* 3 */ "<Unknown 5.3> ",
432                 /* 4 */ "<Unknown 5.4> ",
433                 /* 5 */ "<Unknown 5.5> ",
434                 /* 6 */ "<Unknown 5.6> ",
435                 /* 7 */ "<Unknown 5.7> "
436         },
437         { /* byte 6 */
438                 /* 0 */ "<Unknown 6.0> ",
439                 /* 1 */ "<Unknown 6.1> ",
440                 /* 2 */ "<Unknown 6.2> ",
441                 /* 3 */ "<Unknown 6.3> ",
442                 /* 4 */ "<Unknown 6.4> ",
443                 /* 5 */ "<Unknown 6.5> ",
444                 /* 6 */ "<Unknown 6.6> ",
445                 /* 7 */ "<Unknown 6.7> "
446         },
447         { /* byte 7 */
448                 /* 0 */ "<Unknown 7.0> ",
449                 /* 1 */ "<Unknown 7.1> ",
450                 /* 2 */ "<Unknown 7.2> ",
451                 /* 3 */ "<Unknown 7.3> ",
452                 /* 4 */ "<Unknown 7.4> ",
453                 /* 5 */ "<Unknown 7.5> ",
454                 /* 6 */ "<Unknown 7.6> ",
455                 /* 7 */ "<Unknown 7.7> "
456         }};
457
458         if (buffer != NULL && size > 0) {
459                 int n, i, len0, len1;
460
461                 memset(buffer, 0, size);
462                 len1 = 0;
463
464                 for (n = 0; n < SIZE(t); n++) {
465                         for (i = 0; i < SIZE(t[n]); i++) {
466                                 len0 = strlen(buffer);
467                                 if (len0 >= size)
468                                         goto done;
469
470                                 if (features[n] & (1 << i)) {
471                                         if (len1 + strlen(t[n][i]) > 60) {
472                                                 len1 = 0;
473                                                 buffer[len0 - 1] = '\n';
474                                         }
475
476                                         len1 += strlen(t[n][i]);
477                                         strncat(buffer, t[n][i], size - len0);
478                                 }
479                         }
480                 }
481         }
482 done:
483         return (buffer);
484 }
485
486 char const *
487 hci_cc2str(int cc)
488 {
489         static char const * const       t[] = {
490                 /* 0x00 */ "North America, Europe, Japan",
491                 /* 0x01 */ "France"
492         };
493
494         return (cc >= SIZE(t)? "?" : t[cc]);
495 } /* hci_cc2str */
496
497 char const *
498 hci_con_state2str(int state)
499 {
500         static char const * const       t[] = {
501                 /* NG_HCI_CON_CLOSED */           "CLOSED",
502                 /* NG_HCI_CON_W4_LP_CON_RSP */    "W4_LP_CON_RSP",
503                 /* NG_HCI_CON_W4_CONN_COMPLETE */ "W4_CONN_COMPLETE",
504                 /* NG_HCI_CON_OPEN */             "OPEN"
505         };
506
507         return (state >= SIZE(t)? "UNKNOWN" : t[state]);
508 } /* hci_con_state2str */
509
510 char const *
511 hci_status2str(int status)
512 {
513         static char const * const       t[] = {
514                 /* 0x00 */ "No error",
515                 /* 0x01 */ "Unknown HCI command",
516                 /* 0x02 */ "No connection",
517                 /* 0x03 */ "Hardware failure",
518                 /* 0x04 */ "Page timeout",
519                 /* 0x05 */ "Authentication failure",
520                 /* 0x06 */ "Key missing",
521                 /* 0x07 */ "Memory full",
522                 /* 0x08 */ "Connection timeout",
523                 /* 0x09 */ "Max number of connections",
524                 /* 0x0a */ "Max number of SCO connections to a unit",
525                 /* 0x0b */ "ACL connection already exists",
526                 /* 0x0c */ "Command disallowed",
527                 /* 0x0d */ "Host rejected due to limited resources",
528                 /* 0x0e */ "Host rejected due to security reasons",
529                 /* 0x0f */ "Host rejected due to remote unit is a personal unit",
530                 /* 0x10 */ "Host timeout",
531                 /* 0x11 */ "Unsupported feature or parameter value",
532                 /* 0x12 */ "Invalid HCI command parameter",
533                 /* 0x13 */ "Other end terminated connection: User ended connection",
534                 /* 0x14 */ "Other end terminated connection: Low resources",
535                 /* 0x15 */ "Other end terminated connection: About to power off",
536                 /* 0x16 */ "Connection terminated by local host",
537                 /* 0x17 */ "Repeated attempts",
538                 /* 0x18 */ "Pairing not allowed",
539                 /* 0x19 */ "Unknown LMP PDU",
540                 /* 0x1a */ "Unsupported remote feature",
541                 /* 0x1b */ "SCO offset rejected",
542                 /* 0x1c */ "SCO interval rejected",
543                 /* 0x1d */ "SCO air mode rejected",
544                 /* 0x1e */ "Invalid LMP parameters",
545                 /* 0x1f */ "Unspecified error",
546                 /* 0x20 */ "Unsupported LMP parameter value",
547                 /* 0x21 */ "Role change not allowed",
548                 /* 0x22 */ "LMP response timeout",
549                 /* 0x23 */ "LMP error transaction collision",
550                 /* 0x24 */ "LMP PSU not allowed",
551                 /* 0x25 */ "Encryption mode not acceptable",
552                 /* 0x26 */ "Unit key used",
553                 /* 0x27 */ "QoS is not supported",
554                 /* 0x28 */ "Instant passed",
555                 /* 0x29 */ "Pairing with unit key not supported",
556                 /* 0x2a */ "Different Transaction Collision",
557                 /* 0x2b */ "Unknown error (Reserved for future use)",
558                 /* 0x2c */ "QoS Unacceptable Parameter",
559                 /* 0x2d */ "QoS Rejected",
560                 /* 0x2e */ "Channel Classification Not Supported",
561                 /* 0x2f */ "Insufficient Security",
562                 /* 0x30 */ "Parameter Out Of Mandatory Range",
563                 /* 0x31 */ "Unknown error (Reserved for future use)",
564                 /* 0x32 */ "Role Switch Pending",
565                 /* 0x33 */ "Unknown error (Reserved for future use)",
566                 /* 0x34 */ "Reserved Slot Violation",
567                 /* 0x35 */ "Role Switch Failed",
568                 /* 0x36 */ "Extended Inquiry Response Too Large",
569                 /* 0x37 */ "Secure Simple Pairing Not Supported By Host",
570                 /* 0x38 */ "Host Busy - Pairing",
571                 /* 0x39 */ "Connection Rejected due to No Suitable Channel Found",
572                 /* 0x3a */ "Controller Busy",
573                 /* 0x3b */ "Unacceptable Connection Parameters",
574                 /* 0x3c */ "Advertising Timeout",
575                 /* 0x3d */ "Connection Terminated due to MIC Failure",
576                 /* 0x3e */ "Connection Failed to be Established / Synchronization Timeout",
577                 /* 0x3f */ "MAC Connection Failed",
578                 /* 0x40 */ "Coarse Clock Adjustment Rejected but Will Try to Adjust Using Clock Dragging",
579                 /* 0x41 */ "Type0 Submap Not Defined",
580                 /* 0x42 */ "Unknown Advertising Identifier",
581                 /* 0x43 */ "Limit Reached",
582                 /* 0x44 */ "Operation Cancelled by Host",
583                 /* 0x45 */ "Packet Too Long"
584         };
585
586         return (status >= SIZE(t)? "Unknown error" : t[status]);
587 } /* hci_status2str */
588
589 char const *
590 hci_bdaddr2str(bdaddr_t const *ba)
591 {
592         extern int       numeric_bdaddr;
593         static char      buffer[MAXHOSTNAMELEN];
594         struct hostent  *he = NULL;
595
596         if (memcmp(ba, NG_HCI_BDADDR_ANY, sizeof(*ba)) == 0) {
597                 buffer[0] = '*';
598                 buffer[1] = 0;
599
600                 return (buffer);
601         }
602
603         if (!numeric_bdaddr &&
604             (he = bt_gethostbyaddr((char *)ba, sizeof(*ba), AF_BLUETOOTH)) != NULL) {
605                 strlcpy(buffer, he->h_name, sizeof(buffer));
606
607                 return (buffer);
608         }
609
610         bt_ntoa(ba, buffer);
611
612         return (buffer);
613 } /* hci_bdaddr2str */
614