1 /******************************************************************************
2 *
3 * Copyright (C) 1999-2012 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19 /******************************************************************************
20 *
21 * This file contains functions that handle inquiries. These include
22 * setting discoverable mode, controlling the mode of the Baseband, and
23 * maintaining a small database of inquiry responses, with API for people
24 * to browse it.
25 *
26 ******************************************************************************/
27
28 #include <stdlib.h>
29 #include <string.h>
30 #include <stdio.h>
31 #include <stddef.h>
32
33 #include "bt_types.h"
34 #include "gki.h"
35 #include "hcimsgs.h"
36 #include "btu.h"
37 #include "btm_api.h"
38 #include "btm_int.h"
39 #include "hcidefs.h"
40
41 #define BTM_INQ_REPLY_TIMEOUT 3 /* 3 second timeout waiting for responses */
42
43 /* TRUE to enable DEBUG traces for btm_inq */
44 #ifndef BTM_INQ_DEBUG
45 #define BTM_INQ_DEBUG FALSE
46 #endif
47 /********************************************************************************/
48 /* L O C A L D A T A D E F I N I T I O N S */
49 /********************************************************************************/
50 static const LAP general_inq_lap = {0x9e,0x8b,0x33};
51 static const LAP limited_inq_lap = {0x9e,0x8b,0x00};
52
53 #if (( BTM_EIR_CLIENT_INCLUDED == TRUE )||( BTM_EIR_SERVER_INCLUDED == TRUE ))
54 #ifndef BTM_EIR_UUID_LKUP_TBL
55 const UINT16 BTM_EIR_UUID_LKUP_TBL[BTM_EIR_MAX_SERVICES] =
56 {
57 UUID_SERVCLASS_SERVICE_DISCOVERY_SERVER,
58 /* UUID_SERVCLASS_BROWSE_GROUP_DESCRIPTOR, */
59 /* UUID_SERVCLASS_PUBLIC_BROWSE_GROUP, */
60 UUID_SERVCLASS_SERIAL_PORT,
61 UUID_SERVCLASS_LAN_ACCESS_USING_PPP,
62 UUID_SERVCLASS_DIALUP_NETWORKING,
63 UUID_SERVCLASS_IRMC_SYNC,
64 UUID_SERVCLASS_OBEX_OBJECT_PUSH,
65 UUID_SERVCLASS_OBEX_FILE_TRANSFER,
66 UUID_SERVCLASS_IRMC_SYNC_COMMAND,
67 UUID_SERVCLASS_HEADSET,
68 UUID_SERVCLASS_CORDLESS_TELEPHONY,
69 UUID_SERVCLASS_AUDIO_SOURCE,
70 UUID_SERVCLASS_AUDIO_SINK,
71 UUID_SERVCLASS_AV_REM_CTRL_TARGET,
72 /* UUID_SERVCLASS_ADV_AUDIO_DISTRIBUTION, */
73 UUID_SERVCLASS_AV_REMOTE_CONTROL,
74 /* UUID_SERVCLASS_VIDEO_CONFERENCING, */
75 UUID_SERVCLASS_INTERCOM,
76 UUID_SERVCLASS_FAX,
77 UUID_SERVCLASS_HEADSET_AUDIO_GATEWAY,
78 /* UUID_SERVCLASS_WAP, */
79 /* UUID_SERVCLASS_WAP_CLIENT, */
80 UUID_SERVCLASS_PANU,
81 UUID_SERVCLASS_NAP,
82 UUID_SERVCLASS_GN,
83 UUID_SERVCLASS_DIRECT_PRINTING,
84 /* UUID_SERVCLASS_REFERENCE_PRINTING, */
85 UUID_SERVCLASS_IMAGING,
86 UUID_SERVCLASS_IMAGING_RESPONDER,
87 UUID_SERVCLASS_IMAGING_AUTO_ARCHIVE,
88 UUID_SERVCLASS_IMAGING_REF_OBJECTS,
89 UUID_SERVCLASS_HF_HANDSFREE,
90 UUID_SERVCLASS_AG_HANDSFREE,
91 UUID_SERVCLASS_DIR_PRT_REF_OBJ_SERVICE,
92 /* UUID_SERVCLASS_REFLECTED_UI, */
93 UUID_SERVCLASS_BASIC_PRINTING,
94 UUID_SERVCLASS_PRINTING_STATUS,
95 UUID_SERVCLASS_HUMAN_INTERFACE,
96 UUID_SERVCLASS_CABLE_REPLACEMENT,
97 UUID_SERVCLASS_HCRP_PRINT,
98 UUID_SERVCLASS_HCRP_SCAN,
99 /* UUID_SERVCLASS_COMMON_ISDN_ACCESS, */
100 /* UUID_SERVCLASS_VIDEO_CONFERENCING_GW, */
101 /* UUID_SERVCLASS_UDI_MT, */
102 /* UUID_SERVCLASS_UDI_TA, */
103 /* UUID_SERVCLASS_VCP, */
104 UUID_SERVCLASS_SAP,
105 UUID_SERVCLASS_PBAP_PCE,
106 UUID_SERVCLASS_PBAP_PSE,
107 UUID_SERVCLASS_PHONE_ACCESS,
108 UUID_SERVCLASS_HEADSET_HS,
109 UUID_SERVCLASS_PNP_INFORMATION,
110 /* UUID_SERVCLASS_GENERIC_NETWORKING, */
111 /* UUID_SERVCLASS_GENERIC_FILETRANSFER, */
112 /* UUID_SERVCLASS_GENERIC_AUDIO, */
113 /* UUID_SERVCLASS_GENERIC_TELEPHONY, */
114 /* UUID_SERVCLASS_UPNP_SERVICE, */
115 /* UUID_SERVCLASS_UPNP_IP_SERVICE, */
116 /* UUID_SERVCLASS_ESDP_UPNP_IP_PAN, */
117 /* UUID_SERVCLASS_ESDP_UPNP_IP_LAP, */
118 /* UUID_SERVCLASS_ESDP_UPNP_IP_L2CAP, */
119 UUID_SERVCLASS_VIDEO_SOURCE,
120 UUID_SERVCLASS_VIDEO_SINK,
121 /* UUID_SERVCLASS_VIDEO_DISTRIBUTION */
122 UUID_SERVCLASS_MESSAGE_ACCESS,
123 UUID_SERVCLASS_MESSAGE_NOTIFICATION,
124 UUID_SERVCLASS_HDP_SOURCE,
125 UUID_SERVCLASS_HDP_SINK
126 };
127 #else
128 /*
129 If customized UUID look-up table needs to be used,
130 the followings should be defined in bdroid_buildcfg.h.
131 BTM_EIR_UUID_LKUP_TBL = <customized UUID list>
132 BTM_EIR_MAX_SERVICES = <number of UUID in list>
133 */
134 #if (BTM_EIR_MAX_SERVICES == 0)
135 const UINT16 BTM_EIR_UUID_LKUP_TBL[];
136 #else
137 extern UINT16 BTM_EIR_UUID_LKUP_TBL[BTM_EIR_MAX_SERVICES];
138 #endif
139 #endif
140 #endif /* BTM_EIR_UUID_LKUP_TBL*/
141
142 /********************************************************************************/
143 /* L O C A L F U N C T I O N P R O T O T Y P E S */
144 /********************************************************************************/
145 static void btm_initiate_inquiry (tBTM_INQUIRY_VAR_ST *p_inq);
146 static tBTM_STATUS btm_set_inq_event_filter (UINT8 filter_cond_type, tBTM_INQ_FILT_COND *p_filt_cond);
147 static void btm_clr_inq_result_flt (void);
148
149 #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE))
150 static UINT8 btm_convert_uuid_to_eir_service( UINT16 uuid16 );
151 #endif
152 #if (BTM_EIR_CLIENT_INCLUDED == TRUE)
153 static void btm_set_eir_uuid( UINT8 *p_eir, tBTM_INQ_RESULTS *p_results );
154 static UINT8 *btm_eir_get_uuid_list( UINT8 *p_eir, UINT8 uuid_size,
155 UINT8 *p_num_uuid, UINT8 *p_uuid_list_type );
156 static UINT16 btm_convert_uuid_to_uuid16( UINT8 *p_uuid, UINT8 uuid_size );
157 #endif
158
159 /*******************************************************************************
160 **
161 ** Function BTM_SetDiscoverability
162 **
163 ** Description This function is called to set the device into or out of
164 ** discoverable mode. Discoverable mode means inquiry
165 ** scans are enabled. If a value of '0' is entered for window or
166 ** interval, the default values are used.
167 **
168 ** Returns BTM_SUCCESS if successful
169 ** BTM_BUSY if a setting of the filter is already in progress
170 ** BTM_NO_RESOURCES if couldn't get a memory pool buffer
171 ** BTM_ILLEGAL_VALUE if a bad parameter was detected
172 ** BTM_WRONG_MODE if the device is not up.
173 **
174 *******************************************************************************/
BTM_SetDiscoverability(UINT16 inq_mode,UINT16 window,UINT16 interval)175 tBTM_STATUS BTM_SetDiscoverability (UINT16 inq_mode, UINT16 window, UINT16 interval)
176 {
177 UINT8 scan_mode = 0;
178 UINT16 service_class;
179 UINT8 *p_cod;
180 UINT8 major, minor;
181 DEV_CLASS cod;
182 LAP temp_lap[2];
183 BOOLEAN is_limited;
184 BOOLEAN cod_limited;
185
186 BTM_TRACE_API0 ("BTM_SetDiscoverability");
187 #if (BLE_INCLUDED == TRUE && BLE_INCLUDED == TRUE)
188 if (HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
189 {
190 if (btm_ble_set_discoverability((UINT16)(inq_mode))
191 == BTM_SUCCESS)
192 {
193 btm_cb.btm_inq_vars.discoverable_mode &= (~BTM_BLE_DISCOVERABLE_MASK);
194 btm_cb.btm_inq_vars.discoverable_mode |= (inq_mode & BTM_BLE_CONNECTABLE_MASK);
195 }
196 }
197 inq_mode &= ~BTM_BLE_DISCOVERABLE_MASK;
198 #endif
199
200 /*** Check mode parameter ***/
201 if (inq_mode > BTM_MAX_DISCOVERABLE)
202 return (BTM_ILLEGAL_VALUE);
203
204 /* Make sure the controller is active */
205 if (btm_cb.devcb.state < BTM_DEV_STATE_READY)
206 return (BTM_DEV_RESET);
207
208 /* If the window and/or interval is '0', set to default values */
209 if (!window)
210 window = BTM_DEFAULT_DISC_WINDOW;
211
212 if (!interval)
213 interval = BTM_DEFAULT_DISC_INTERVAL;
214
215 BTM_TRACE_API3 ("BTM_SetDiscoverability: mode %d [NonDisc-0, Lim-1, Gen-2], window 0x%04x, interval 0x%04x",
216 inq_mode, window, interval);
217
218 /*** Check for valid window and interval parameters ***/
219 /*** Only check window and duration if mode is connectable ***/
220 if (inq_mode != BTM_NON_DISCOVERABLE)
221 {
222 /* window must be less than or equal to interval */
223 if (window < HCI_MIN_INQUIRYSCAN_WINDOW ||
224 window > HCI_MAX_INQUIRYSCAN_WINDOW ||
225 interval < HCI_MIN_INQUIRYSCAN_INTERVAL ||
226 interval > HCI_MAX_INQUIRYSCAN_INTERVAL ||
227 window > interval)
228 {
229 return (BTM_ILLEGAL_VALUE);
230 }
231 }
232
233 /* Set the IAC if needed */
234 if (inq_mode != BTM_NON_DISCOVERABLE)
235 {
236 if (inq_mode & BTM_LIMITED_DISCOVERABLE)
237 {
238 /* Use the GIAC and LIAC codes for limited discoverable mode */
239 memcpy (temp_lap[0], limited_inq_lap, LAP_LEN);
240 memcpy (temp_lap[1], general_inq_lap, LAP_LEN);
241
242 if (!btsnd_hcic_write_cur_iac_lap (2, (LAP * const) temp_lap))
243 return (BTM_NO_RESOURCES); /* Cannot continue */
244 }
245 else
246 {
247 if (!btsnd_hcic_write_cur_iac_lap (1, (LAP * const) &general_inq_lap))
248 return (BTM_NO_RESOURCES); /* Cannot continue */
249 }
250
251 scan_mode |= HCI_INQUIRY_SCAN_ENABLED;
252 }
253
254 /* Send down the inquiry scan window and period if changed */
255 if ((window != btm_cb.btm_inq_vars.inq_scan_window) ||
256 (interval != btm_cb.btm_inq_vars.inq_scan_period))
257 {
258 if (btsnd_hcic_write_inqscan_cfg (interval, window))
259 {
260 btm_cb.btm_inq_vars.inq_scan_window = window;
261 btm_cb.btm_inq_vars.inq_scan_period = interval;
262 }
263 else
264 return (BTM_NO_RESOURCES);
265 }
266
267 if (btm_cb.btm_inq_vars.connectable_mode & BTM_CONNECTABLE_MASK)
268 scan_mode |= HCI_PAGE_SCAN_ENABLED;
269
270 if (btsnd_hcic_write_scan_enable (scan_mode))
271 {
272 btm_cb.btm_inq_vars.discoverable_mode &= (~BTM_DISCOVERABLE_MASK);
273 btm_cb.btm_inq_vars.discoverable_mode |= inq_mode;
274 }
275 else
276 return (BTM_NO_RESOURCES);
277
278 /* Change the service class bit if mode has changed */
279 p_cod = BTM_ReadDeviceClass();
280 BTM_COD_SERVICE_CLASS(service_class, p_cod);
281 is_limited = (inq_mode & BTM_LIMITED_DISCOVERABLE) ? TRUE : FALSE;
282 cod_limited = (service_class & BTM_COD_SERVICE_LMTD_DISCOVER) ? TRUE : FALSE;
283 if (is_limited ^ cod_limited)
284 {
285 BTM_COD_MINOR_CLASS(minor, p_cod );
286 BTM_COD_MAJOR_CLASS(major, p_cod );
287 if (is_limited)
288 service_class |= BTM_COD_SERVICE_LMTD_DISCOVER;
289 else
290 service_class &= ~BTM_COD_SERVICE_LMTD_DISCOVER;
291
292 FIELDS_TO_COD(cod, minor, major, service_class);
293 (void) BTM_SetDeviceClass (cod);
294 }
295
296 return (BTM_SUCCESS);
297 }
298
299 /*******************************************************************************
300 **
301 ** Function BTM_SetInquiryScanType
302 **
303 ** Description This function is called to set the iquiry scan-type to
304 ** standard or interlaced.
305 **
306 ** Returns BTM_SUCCESS if successful
307 ** BTM_MODE_UNSUPPORTED if not a 1.2 device
308 ** BTM_WRONG_MODE if the device is not up.
309 **
310 *******************************************************************************/
BTM_SetInquiryScanType(UINT16 scan_type)311 tBTM_STATUS BTM_SetInquiryScanType (UINT16 scan_type)
312 {
313
314 BTM_TRACE_API0 ("BTM_SetInquiryScanType");
315 if (scan_type != BTM_SCAN_TYPE_STANDARD && scan_type != BTM_SCAN_TYPE_INTERLACED)
316 return (BTM_ILLEGAL_VALUE);
317
318 /* whatever app wants if device is not 1.2 scan type should be STANDARD */
319 if (!HCI_LMP_INTERLACED_INQ_SCAN_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0]))
320 return (BTM_MODE_UNSUPPORTED);
321
322 /* Check for scan type if configuration has been changed */
323 if (scan_type != btm_cb.btm_inq_vars.inq_scan_type)
324 {
325 if (BTM_IsDeviceUp())
326 {
327 if (btsnd_hcic_write_inqscan_type ((UINT8)scan_type))
328 btm_cb.btm_inq_vars.inq_scan_type = scan_type;
329 else
330 return (BTM_NO_RESOURCES);
331 }
332 else return (BTM_WRONG_MODE);
333 }
334 return (BTM_SUCCESS);
335 }
336
337 /*******************************************************************************
338 **
339 ** Function BTM_SetPageScanType
340 **
341 ** Description This function is called to set the page scan-type to
342 ** standard or interlaced.
343 **
344 ** Returns BTM_SUCCESS if successful
345 ** BTM_MODE_UNSUPPORTED if not a 1.2 device
346 ** BTM_WRONG_MODE if the device is not up.
347 **
348 *******************************************************************************/
BTM_SetPageScanType(UINT16 scan_type)349 tBTM_STATUS BTM_SetPageScanType (UINT16 scan_type)
350 {
351 BTM_TRACE_API0 ("BTM_SetPageScanType");
352 if (scan_type != BTM_SCAN_TYPE_STANDARD && scan_type != BTM_SCAN_TYPE_INTERLACED)
353 return (BTM_ILLEGAL_VALUE);
354
355 /* whatever app wants if device is not 1.2 scan type should be STANDARD */
356 if (!HCI_LMP_INTERLACED_PAGE_SCAN_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0]))
357 return (BTM_MODE_UNSUPPORTED);
358
359 /* Check for scan type if configuration has been changed */
360 if (scan_type != btm_cb.btm_inq_vars.page_scan_type)
361 {
362 if (BTM_IsDeviceUp())
363 {
364 if (btsnd_hcic_write_pagescan_type ((UINT8)scan_type))
365 btm_cb.btm_inq_vars.page_scan_type = scan_type;
366 else
367 return (BTM_NO_RESOURCES);
368 }
369 else return (BTM_WRONG_MODE);
370 }
371 return (BTM_SUCCESS);
372 }
373
374
375 /*******************************************************************************
376 **
377 ** Function BTM_SetInquiryMode
378 **
379 ** Description This function is called to set standard or with RSSI
380 ** mode of the inquiry for local device.
381 **
382 ** Output Params: mode - standard, with RSSI, extended
383 **
384 ** Returns BTM_SUCCESS if successful
385 ** BTM_NO_RESOURCES if couldn't get a memory pool buffer
386 ** BTM_ILLEGAL_VALUE if a bad parameter was detected
387 ** BTM_WRONG_MODE if the device is not up.
388 **
389 *******************************************************************************/
BTM_SetInquiryMode(UINT8 mode)390 tBTM_STATUS BTM_SetInquiryMode (UINT8 mode)
391 {
392 BTM_TRACE_API0 ("BTM_SetInquiryMode");
393 if (mode == BTM_INQ_RESULT_STANDARD)
394 {
395 /* mandatory mode */
396 }
397 else if (mode == BTM_INQ_RESULT_WITH_RSSI)
398 {
399 if (!HCI_LMP_INQ_RSSI_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0]))
400 return (BTM_MODE_UNSUPPORTED);
401 }
402 #if (( BTM_EIR_CLIENT_INCLUDED == TRUE )||( BTM_EIR_SERVER_INCLUDED == TRUE ))
403 else if (mode == BTM_INQ_RESULT_EXTENDED)
404 {
405 if (!HCI_EXT_INQ_RSP_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0]))
406 return (BTM_MODE_UNSUPPORTED);
407 }
408 #endif
409 else
410 return (BTM_ILLEGAL_VALUE);
411
412 if (!BTM_IsDeviceUp())
413 return (BTM_WRONG_MODE);
414
415 if (!btsnd_hcic_write_inquiry_mode (mode))
416 return (BTM_NO_RESOURCES);
417
418 return (BTM_SUCCESS);
419 }
420
421 /*******************************************************************************
422 **
423 ** Function BTM_ReadDiscoverability
424 **
425 ** Description This function is called to read the current discoverability
426 ** mode of the device.
427 **
428 ** Output Params: p_window - current inquiry scan duration
429 ** p_interval - current inquiry scan interval
430 **
431 ** Returns BTM_NON_DISCOVERABLE, BTM_LIMITED_DISCOVERABLE, or
432 ** BTM_GENERAL_DISCOVERABLE
433 **
434 *******************************************************************************/
BTM_ReadDiscoverability(UINT16 * p_window,UINT16 * p_interval)435 UINT16 BTM_ReadDiscoverability (UINT16 *p_window, UINT16 *p_interval)
436 {
437 BTM_TRACE_API0 ("BTM_ReadDiscoverability");
438 if (p_window)
439 *p_window = btm_cb.btm_inq_vars.inq_scan_window;
440
441 if (p_interval)
442 *p_interval = btm_cb.btm_inq_vars.inq_scan_period;
443
444 return (btm_cb.btm_inq_vars.discoverable_mode);
445 }
446
447
448 /*******************************************************************************
449 **
450 ** Function BTM_SetPeriodicInquiryMode
451 **
452 ** Description This function is called to set the device periodic inquiry mode.
453 ** If the duration is zero, the periodic inquiry mode is cancelled.
454 **
455 ** Note: We currently do not allow concurrent inquiry and periodic inquiry.
456 **
457 ** Parameters: p_inqparms - pointer to the inquiry information
458 ** mode - GENERAL or LIMITED inquiry
459 ** duration - length in 1.28 sec intervals (If '0', the inquiry is CANCELLED)
460 ** max_resps - maximum amount of devices to search for before ending the inquiry
461 ** filter_cond_type - BTM_CLR_INQUIRY_FILTER, BTM_FILTER_COND_DEVICE_CLASS, or
462 ** BTM_FILTER_COND_BD_ADDR
463 ** filter_cond - value for the filter (based on filter_cond_type)
464 **
465 ** max_delay - maximum amount of time between successive inquiries
466 ** min_delay - minimum amount of time between successive inquiries
467 ** p_results_cb - callback returning pointer to results (tBTM_INQ_RESULTS)
468 **
469 ** Returns BTM_CMD_STARTED if successfully started
470 ** BTM_ILLEGAL_VALUE if a bad parameter is detected
471 ** BTM_NO_RESOURCES if could not allocate a message buffer
472 ** BTM_SUCCESS - if cancelling the periodic inquiry
473 ** BTM_BUSY - if an inquiry is already active
474 ** BTM_WRONG_MODE if the device is not up.
475 **
476 *******************************************************************************/
BTM_SetPeriodicInquiryMode(tBTM_INQ_PARMS * p_inqparms,UINT16 max_delay,UINT16 min_delay,tBTM_INQ_RESULTS_CB * p_results_cb)477 tBTM_STATUS BTM_SetPeriodicInquiryMode (tBTM_INQ_PARMS *p_inqparms, UINT16 max_delay,
478 UINT16 min_delay, tBTM_INQ_RESULTS_CB *p_results_cb)
479 {
480 tBTM_STATUS status;
481 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
482
483 BTM_TRACE_API6 ("BTM_SetPeriodicInquiryMode: mode: %d, dur: %d, rsps: %d, flt: %d, min: %d, max: %d",
484 p_inqparms->mode, p_inqparms->duration, p_inqparms->max_resps,
485 p_inqparms->filter_cond_type, min_delay, max_delay);
486
487 /*** Make sure the device is ready ***/
488 if (!BTM_IsDeviceUp())
489 return (BTM_WRONG_MODE);
490
491 /* Only one active inquiry is allowed in this implementation.
492 Also do not allow an inquiry if the inquiry filter is being updated */
493 if (p_inq->inq_active || p_inq->inqfilt_active)
494 return (BTM_BUSY);
495
496 /* If illegal parameters return FALSE */
497 if (p_inqparms->mode != BTM_GENERAL_INQUIRY &&
498 p_inqparms->mode != BTM_LIMITED_INQUIRY)
499 return (BTM_ILLEGAL_VALUE);
500
501 /* Verify the parameters for this command */
502 if (p_inqparms->duration < BTM_MIN_INQUIRY_LEN ||
503 p_inqparms->duration > BTM_MAX_INQUIRY_LENGTH ||
504 min_delay <= p_inqparms->duration ||
505 min_delay < BTM_PER_INQ_MIN_MIN_PERIOD ||
506 min_delay > BTM_PER_INQ_MAX_MIN_PERIOD ||
507 max_delay <= min_delay ||
508 max_delay < BTM_PER_INQ_MIN_MAX_PERIOD)
509 /* max_delay > BTM_PER_INQ_MAX_MAX_PERIOD)*/
510 /* BTM_PER_INQ_MAX_MAX_PERIOD set to 1's in all bits. Condition resulting in false always*/
511 {
512 return (BTM_ILLEGAL_VALUE);
513 }
514
515 /* Save the inquiry parameters to be used upon the completion of setting/clearing the inquiry filter */
516 p_inq->inqparms = *p_inqparms;
517 p_inq->per_min_delay = min_delay;
518 p_inq->per_max_delay = max_delay;
519 p_inq->inq_cmpl_info.num_resp = 0; /* Clear the results counter */
520 p_inq->p_inq_results_cb = p_results_cb;
521
522 p_inq->inq_active = (UINT8)((p_inqparms->mode == BTM_LIMITED_INQUIRY) ?
523 (BTM_LIMITED_INQUIRY_ACTIVE | BTM_PERIODIC_INQUIRY_ACTIVE) :
524 (BTM_GENERAL_INQUIRY_ACTIVE | BTM_PERIODIC_INQUIRY_ACTIVE));
525
526 #if (defined(BTM_BYPASS_EVENT_FILTERING) && BTM_BYPASS_EVENT_FILTERING == TRUE)
527 BTM_TRACE_WARNING0("BTM: Bypassing event filtering...");
528
529 p_inq->state = BTM_INQ_ACTIVE_STATE;
530 p_inq->inqfilt_active = FALSE;
531 btm_initiate_inquiry (p_inq);
532 status = BTM_CMD_STARTED;
533 #else
534 /* If a filter is specified, then save it for later and clear the current filter.
535 The setting of the filter is done upon completion of clearing of the previous
536 filter.
537 */
538 if (p_inqparms->filter_cond_type != BTM_CLR_INQUIRY_FILTER)
539 {
540 p_inq->state = BTM_INQ_CLR_FILT_STATE;
541 p_inqparms->filter_cond_type = BTM_CLR_INQUIRY_FILTER;
542 }
543 else /* The filter is not being used so simply clear it; the inquiry can start after this operation */
544 p_inq->state = BTM_INQ_SET_FILT_STATE;
545
546 /* Before beginning the inquiry the current filter must be cleared, so initiate the command */
547 if ((status = btm_set_inq_event_filter (p_inqparms->filter_cond_type, &p_inqparms->filter_cond)) != BTM_CMD_STARTED)
548 {
549 /* If set filter command is not succesful reset the state */
550 p_inq->p_inq_results_cb = NULL;
551 p_inq->state = BTM_INQ_INACTIVE_STATE;
552
553 }
554
555 #endif
556 return (status);
557 }
558
559
560 /*******************************************************************************
561 **
562 ** Function BTM_CancelPeriodicInquiry
563 **
564 ** Description This function cancels a periodic inquiry
565 **
566 ** Returns
567 ** BTM_NO_RESOURCES if could not allocate a message buffer
568 ** BTM_SUCCESS - if cancelling the periodic inquiry
569 ** BTM_WRONG_MODE if the device is not up.
570 **
571 *******************************************************************************/
BTM_CancelPeriodicInquiry(void)572 tBTM_STATUS BTM_CancelPeriodicInquiry(void)
573 {
574 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
575 tBTM_STATUS status = BTM_SUCCESS;
576 BTM_TRACE_API0 ("BTM_CancelPeriodicInquiry called");
577
578 /*** Make sure the device is ready ***/
579 if (!BTM_IsDeviceUp())
580 return (BTM_WRONG_MODE);
581
582 /* Only cancel if one is active */
583 if (btm_cb.btm_inq_vars.inq_active & BTM_PERIODIC_INQUIRY_ACTIVE)
584 {
585 btm_cb.btm_inq_vars.inq_active = BTM_INQUIRY_INACTIVE;
586 btm_cb.btm_inq_vars.p_inq_results_cb = (tBTM_INQ_RESULTS_CB *) NULL;
587
588 if (!btsnd_hcic_exit_per_inq ())
589 status = BTM_NO_RESOURCES;
590
591 /* If the event filter is in progress, mark it so that the processing of the return
592 event will be ignored */
593 if(p_inq->inqfilt_active)
594 p_inq->pending_filt_complete_event++;
595
596 p_inq->inqfilt_active = FALSE;
597 p_inq->inq_counter++;
598 }
599
600 return (status);
601 }
602
603
604 /*******************************************************************************
605 **
606 ** Function BTM_SetConnectability
607 **
608 ** Description This function is called to set the device into or out of
609 ** connectable mode. Discoverable mode means page scans enabled.
610 **
611 ** Returns BTM_SUCCESS if successful
612 ** BTM_ILLEGAL_VALUE if a bad parameter is detected
613 ** BTM_NO_RESOURCES if could not allocate a message buffer
614 ** BTM_WRONG_MODE if the device is not up.
615 **
616 *******************************************************************************/
BTM_SetConnectability(UINT16 page_mode,UINT16 window,UINT16 interval)617 tBTM_STATUS BTM_SetConnectability (UINT16 page_mode, UINT16 window, UINT16 interval)
618 {
619 UINT8 scan_mode = 0;
620 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
621
622 BTM_TRACE_API0 ("BTM_SetConnectability");
623
624 #if (BLE_INCLUDED == TRUE && BLE_INCLUDED == TRUE)
625 if (HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
626 {
627 if (btm_ble_set_connectability(page_mode) != BTM_SUCCESS)
628 {
629 return BTM_NO_RESOURCES;
630 }
631 p_inq->connectable_mode &= (~BTM_BLE_CONNECTABLE_MASK);
632 p_inq->connectable_mode |= (page_mode & BTM_BLE_CONNECTABLE_MASK);
633 }
634 page_mode &= ~BTM_BLE_CONNECTABLE_MASK;
635 #endif
636
637 /*** Check mode parameter ***/
638 if (page_mode != BTM_NON_CONNECTABLE && page_mode != BTM_CONNECTABLE)
639 return (BTM_ILLEGAL_VALUE);
640
641 /* Make sure the controller is active */
642 if (btm_cb.devcb.state < BTM_DEV_STATE_READY)
643 return (BTM_DEV_RESET);
644
645 /* If the window and/or interval is '0', set to default values */
646 if (!window)
647 window = BTM_DEFAULT_CONN_WINDOW;
648
649 if (!interval)
650 interval = BTM_DEFAULT_CONN_INTERVAL;
651
652 BTM_TRACE_API3 ("BTM_SetConnectability: mode %d [NonConn-0, Conn-1], window 0x%04x, interval 0x%04x",
653 page_mode, window, interval);
654
655 /*** Check for valid window and interval parameters ***/
656 /*** Only check window and duration if mode is connectable ***/
657 if (page_mode == BTM_CONNECTABLE)
658 {
659 /* window must be less than or equal to interval */
660 if (window < HCI_MIN_PAGESCAN_WINDOW ||
661 window > HCI_MAX_PAGESCAN_WINDOW ||
662 interval < HCI_MIN_PAGESCAN_INTERVAL ||
663 interval > HCI_MAX_PAGESCAN_INTERVAL ||
664 window > interval)
665 {
666 return (BTM_ILLEGAL_VALUE);
667 }
668
669 scan_mode |= HCI_PAGE_SCAN_ENABLED;
670 }
671
672 if ((window != p_inq->page_scan_window) ||
673 (interval != p_inq->page_scan_period))
674 {
675 p_inq->page_scan_window = window;
676 p_inq->page_scan_period = interval;
677 if (!btsnd_hcic_write_pagescan_cfg (interval, window))
678 return (BTM_NO_RESOURCES);
679 }
680
681 /* Keep the inquiry scan as previouosly set */
682 if (p_inq->discoverable_mode & BTM_DISCOVERABLE_MASK)
683 scan_mode |= HCI_INQUIRY_SCAN_ENABLED;
684
685 if (btsnd_hcic_write_scan_enable (scan_mode))
686 {
687 p_inq->connectable_mode &= (~BTM_CONNECTABLE_MASK);
688 p_inq->connectable_mode |= page_mode;
689
690 return (BTM_SUCCESS);
691 }
692
693 return (BTM_NO_RESOURCES);
694 }
695
696
697 /*******************************************************************************
698 **
699 ** Function BTM_ReadConnectability
700 **
701 ** Description This function is called to read the current discoverability
702 ** mode of the device.
703 ** Output Params p_window - current page scan duration
704 ** p_interval - current time between page scans
705 **
706 ** Returns BTM_NON_CONNECTABLE or BTM_CONNECTABLE
707 **
708 *******************************************************************************/
BTM_ReadConnectability(UINT16 * p_window,UINT16 * p_interval)709 UINT16 BTM_ReadConnectability (UINT16 *p_window, UINT16 *p_interval)
710 {
711 BTM_TRACE_API0 ("BTM_ReadConnectability");
712 if (p_window)
713 *p_window = btm_cb.btm_inq_vars.page_scan_window;
714
715 if (p_interval)
716 *p_interval = btm_cb.btm_inq_vars.page_scan_period;
717
718 return (btm_cb.btm_inq_vars.connectable_mode);
719 }
720
721
722
723 /*******************************************************************************
724 **
725 ** Function BTM_IsInquiryActive
726 **
727 ** Description This function returns a bit mask of the current inquiry state
728 **
729 ** Returns BTM_INQUIRY_INACTIVE if inactive (0)
730 ** BTM_LIMITED_INQUIRY_ACTIVE if a limted inquiry is active
731 ** BTM_GENERAL_INQUIRY_ACTIVE if a general inquiry is active
732 ** BTM_PERIODIC_INQUIRY_ACTIVE if a periodic inquiry is active
733 **
734 *******************************************************************************/
BTM_IsInquiryActive(void)735 UINT16 BTM_IsInquiryActive (void)
736 {
737 BTM_TRACE_API0 ("BTM_IsInquiryActive");
738
739 return(btm_cb.btm_inq_vars.inq_active);
740 }
741
742
743
744 /*******************************************************************************
745 **
746 ** Function BTM_CancelInquiry
747 **
748 ** Description This function cancels an inquiry if active
749 **
750 ** Returns BTM_SUCCESS if successful
751 ** BTM_NO_RESOURCES if could not allocate a message buffer
752 ** BTM_WRONG_MODE if the device is not up.
753 **
754 *******************************************************************************/
BTM_CancelInquiry(void)755 tBTM_STATUS BTM_CancelInquiry(void)
756 {
757 tBTM_STATUS status = BTM_SUCCESS;
758 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
759 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
760 UINT8 active_mode=p_inq->inq_active;
761 #endif
762 BTM_TRACE_API0 ("BTM_CancelInquiry called");
763
764 /*** Make sure the device is ready ***/
765 if (!BTM_IsDeviceUp())
766 return (BTM_WRONG_MODE);
767
768 /* Only cancel if not in periodic mode, otherwise the caller should call BTM_CancelPeriodicMode */
769 if ((p_inq->inq_active &BTM_INQUIRY_ACTIVE_MASK) != 0 &&
770 (!(p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE)))
771 {
772 p_inq->inq_active = BTM_INQUIRY_INACTIVE;
773 p_inq->state = BTM_INQ_INACTIVE_STATE;
774 p_inq->p_inq_results_cb = (tBTM_INQ_RESULTS_CB *) NULL; /* Do not notify caller anymore */
775 p_inq->p_inq_cmpl_cb = (tBTM_CMPL_CB *) NULL; /* Do not notify caller anymore */
776
777 /* If the event filter is in progress, mark it so that the processing of the return
778 event will be ignored */
779 if (p_inq->inqfilt_active)
780 {
781 p_inq->inqfilt_active = FALSE;
782 p_inq->pending_filt_complete_event++;
783 }
784 /* Initiate the cancel inquiry */
785 else
786 {
787 if (((p_inq->inqparms.mode & BTM_BR_INQUIRY_MASK) != 0)
788 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
789 &&(active_mode & BTM_BR_INQUIRY_MASK)
790 #endif
791 )
792 {
793 if (!btsnd_hcic_inq_cancel())
794 status = BTM_NO_RESOURCES;
795 }
796 #if BLE_INCLUDED == TRUE
797 if (((p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) != 0)
798 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
799 &&(active_mode & BTM_LE_INQ_ACTIVE_MASK)
800 #endif
801 )
802 btm_ble_stop_scan();
803 #endif
804 }
805
806 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE)
807 /* Do not send the BUSY_LEVEL event yet. Wait for the cancel_complete event
808 * and then send the BUSY_LEVEL event
809 * btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT);
810 */
811 #endif
812
813 p_inq->inq_counter++;
814 btm_clr_inq_result_flt();
815 }
816
817 return (status);
818 }
819
820
821 /*******************************************************************************
822 **
823 ** Function BTM_StartInquiry
824 **
825 ** Description This function is called to start an inquiry.
826 **
827 ** Parameters: p_inqparms - pointer to the inquiry information
828 ** mode - GENERAL or LIMITED inquiry, BR/LE bit mask seperately
829 ** duration - length in 1.28 sec intervals (If '0', the inquiry is CANCELLED)
830 ** max_resps - maximum amount of devices to search for before ending the inquiry
831 ** filter_cond_type - BTM_CLR_INQUIRY_FILTER, BTM_FILTER_COND_DEVICE_CLASS, or
832 ** BTM_FILTER_COND_BD_ADDR
833 ** filter_cond - value for the filter (based on filter_cond_type)
834 **
835 ** p_results_cb - Pointer to the callback routine which gets called
836 ** upon receipt of an inquiry result. If this field is
837 ** NULL, the application is not notified.
838 **
839 ** p_cmpl_cb - Pointer to the callback routine which gets called
840 ** upon completion. If this field is NULL, the
841 ** application is not notified when completed.
842 ** Returns tBTM_STATUS
843 ** BTM_CMD_STARTED if successfully initiated
844 ** BTM_BUSY if already in progress
845 ** BTM_ILLEGAL_VALUE if parameter(s) are out of range
846 ** BTM_NO_RESOURCES if could not allocate resources to start the command
847 ** BTM_WRONG_MODE if the device is not up.
848 **
849 *******************************************************************************/
BTM_StartInquiry(tBTM_INQ_PARMS * p_inqparms,tBTM_INQ_RESULTS_CB * p_results_cb,tBTM_CMPL_CB * p_cmpl_cb)850 tBTM_STATUS BTM_StartInquiry (tBTM_INQ_PARMS *p_inqparms, tBTM_INQ_RESULTS_CB *p_results_cb,
851 tBTM_CMPL_CB *p_cmpl_cb)
852 {
853 tBTM_STATUS status = BTM_CMD_STARTED;
854 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
855
856 BTM_TRACE_API4 ("BTM_StartInquiry: mode: %d, dur: %d, rsps: %d, flt: %d",
857 p_inqparms->mode, p_inqparms->duration, p_inqparms->max_resps,
858 p_inqparms->filter_cond_type);
859
860 /* Only one active inquiry is allowed in this implementation.
861 Also do not allow an inquiry if the inquiry filter is being updated */
862 if (p_inq->inq_active || p_inq->inqfilt_active)
863 {
864 #if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE)
865 /*check if LE observe is already running*/
866 if(p_inq->scan_type==INQ_LE_OBSERVE && p_inq->p_inq_ble_results_cb!=NULL)
867 {
868 BTM_TRACE_API0("BTM_StartInquiry: LE observe in progress");
869 p_inq->scan_type = INQ_GENERAL;
870 p_inq->inq_active = BTM_INQUIRY_INACTIVE;
871 btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE;
872 btm_cb.ble_ctr_cb.inq_var.proc_mode = BTM_BLE_INQUIRY_NONE;
873 btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE);
874 }
875 else
876 #endif
877 {
878 return (BTM_BUSY);
879 BTM_TRACE_API0("BTM_StartInquiry: return BUSY");
880 }
881 }
882 else
883 p_inq->scan_type = INQ_GENERAL;
884
885 /*** Make sure the device is ready ***/
886 if (!BTM_IsDeviceUp())
887 return (BTM_WRONG_MODE);
888
889 if ((p_inqparms->mode & BTM_BR_INQUIRY_MASK)!= BTM_GENERAL_INQUIRY &&
890 (p_inqparms->mode & BTM_BR_INQUIRY_MASK)!= BTM_LIMITED_INQUIRY
891 #if (BLE_INCLUDED == TRUE)
892 && (p_inqparms->mode & BTM_BLE_INQUIRY_MASK)!= BTM_BLE_GENERAL_INQUIRY
893 && (p_inqparms->mode & BTM_BLE_INQUIRY_MASK)!= BTM_BLE_LIMITED_INQUIRY
894 #endif
895 )
896 return (BTM_ILLEGAL_VALUE);
897
898 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
899 if(p_inq->next_state==BTM_FINISH)
900 return BTM_ILLEGAL_VALUE;
901 #endif
902
903
904 /* Save the inquiry parameters to be used upon the completion of setting/clearing the inquiry filter */
905 p_inq->inqparms = *p_inqparms;
906
907 /* Initialize the inquiry variables */
908 p_inq->state = BTM_INQ_ACTIVE_STATE;
909 p_inq->p_inq_cmpl_cb = p_cmpl_cb;
910 p_inq->p_inq_results_cb = p_results_cb;
911 p_inq->inq_cmpl_info.num_resp = 0; /* Clear the results counter */
912 p_inq->inq_active = p_inqparms->mode;
913
914 BTM_TRACE_DEBUG1("BTM_StartInquiry: p_inq->inq_active = 0x%02x", p_inq->inq_active);
915
916 /* interleave scan minimal conditions */
917 #if (BLE_INCLUDED==TRUE && (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE))
918
919 /* check if both modes are present */
920 if((p_inqparms->mode & BTM_BLE_INQUIRY_MASK) && (p_inqparms->mode & BTM_BR_INQUIRY_MASK))
921 {
922 BTM_TRACE_API0("BTM:Interleave Inquiry Mode Set");
923 p_inqparms->duration=p_inqparms->intl_duration[p_inq->next_state];
924 p_inq->inqparms.duration=p_inqparms->duration;
925 }
926 else
927 {
928 BTM_TRACE_API1("BTM:Single Mode: No interleaving, Mode:0x%02x", p_inqparms->mode);
929 p_inq->next_state=BTM_NO_INTERLEAVING;
930 }
931 #endif
932
933
934
935 /* start LE inquiry here if requested */
936 #if BLE_INCLUDED == TRUE
937 if ((p_inqparms->mode & BTM_BLE_INQUIRY_MASK)
938 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
939 &&(p_inq->next_state==BTM_BLE_ONE || p_inq->next_state==BTM_BLE_TWO ||
940 p_inq->next_state==BTM_NO_INTERLEAVING)
941 #endif
942 )
943
944 {
945 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
946 p_inq->inq_active = (p_inqparms->mode & BTM_BLE_INQUIRY_MASK);
947 BTM_TRACE_API2("BTM:Starting LE Scan with duration %d and activeMode:0x%02x",
948 p_inqparms->duration, (p_inqparms->mode & BTM_BLE_INQUIRY_MASK));
949 #endif
950 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
951 {
952 p_inq->inqparms.mode &= ~ BTM_BLE_INQUIRY_MASK;
953 status = BTM_ILLEGAL_VALUE;
954 }
955 /* BLE for now does not support filter condition for inquiry */
956 else if ((status = btm_ble_start_inquiry((UINT8)(p_inqparms->mode & BTM_BLE_INQUIRY_MASK),
957 p_inqparms->duration)) != BTM_CMD_STARTED)
958 {
959 BTM_TRACE_ERROR0("Err Starting LE Inquiry.");
960 p_inq->inqparms.mode &= ~ BTM_BLE_INQUIRY_MASK;
961 }
962 #if (!defined(BTA_HOST_INTERLEAVE_SEARCH) || BTA_HOST_INTERLEAVE_SEARCH == FALSE)
963 p_inqparms->mode &= ~BTM_BLE_INQUIRY_MASK;
964 #endif
965
966 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
967 if(p_inq->next_state==BTM_NO_INTERLEAVING)
968 {
969 p_inq->next_state=BTM_FINISH;
970 }
971 else
972 {
973 BTM_TRACE_API1("BTM:Interleaving: started LE scan, Advancing to next state: %d",
974 p_inq->next_state+1);
975 p_inq->next_state+=1;
976 }
977 /* reset next_state if status <> BTM_Started */
978 if(status!=BTM_CMD_STARTED)
979 p_inq->next_state=BTM_BR_ONE;
980
981 /* if interleave scan..return here */
982 return status;
983 #endif
984
985
986 BTM_TRACE_DEBUG1("BTM_StartInquiry: mode = %02x", p_inqparms->mode);
987 }
988 #endif /* end of BLE_INCLUDED */
989
990 /* we're done with this routine if BR/EDR inquiry is not desired. */
991 if ((p_inqparms->mode & BTM_BR_INQUIRY_MASK) == BTM_INQUIRY_NONE)
992 return status;
993
994 /* BR/EDR inquiry portion */
995 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
996 if((p_inq->next_state==BTM_BR_ONE || p_inq->next_state==BTM_BR_TWO ||
997 p_inq->next_state==BTM_NO_INTERLEAVING ))
998 {
999 p_inq->inq_active = (p_inqparms->mode & BTM_BR_INQUIRY_MASK);
1000 #endif
1001 #if (defined(BTM_BYPASS_EVENT_FILTERING) && BTM_BYPASS_EVENT_FILTERING == TRUE)
1002 BTM_TRACE_WARNING0("BTM: Bypassing event filtering...");
1003 p_inq->inqfilt_active = FALSE;
1004 btm_initiate_inquiry (p_inq);
1005 status = BTM_CMD_STARTED;
1006 #else
1007 /* If a filter is specified, then save it for later and clear the current filter.
1008 The setting of the filter is done upon completion of clearing of the previous
1009 filter.
1010 */
1011 switch (p_inqparms->filter_cond_type)
1012 {
1013 case BTM_CLR_INQUIRY_FILTER:
1014 p_inq->state = BTM_INQ_SET_FILT_STATE;
1015 break;
1016
1017 case BTM_FILTER_COND_DEVICE_CLASS:
1018 case BTM_FILTER_COND_BD_ADDR:
1019 /* The filter is not being used so simply clear it;
1020 the inquiry can start after this operation */
1021 p_inq->state = BTM_INQ_CLR_FILT_STATE;
1022 p_inqparms->filter_cond_type = BTM_CLR_INQUIRY_FILTER;
1023 /* =============>>>> adding LE filtering here ????? */
1024 break;
1025
1026 default:
1027 return (BTM_ILLEGAL_VALUE);
1028 }
1029
1030 /* Before beginning the inquiry the current filter must be cleared, so initiate the command */
1031 if ((status = btm_set_inq_event_filter (p_inqparms->filter_cond_type,
1032 &p_inqparms->filter_cond)) != BTM_CMD_STARTED)
1033 p_inq->state = BTM_INQ_INACTIVE_STATE;
1034 #endif
1035
1036 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
1037 if (p_inq->next_state==BTM_NO_INTERLEAVING)
1038 p_inq->next_state=BTM_FINISH;
1039 else
1040 {
1041 BTM_TRACE_API1("BTM:Interleaving: Started BTM inq, Advancing to next state: %d",
1042 p_inq->next_state+1);
1043 p_inq->next_state+=1;
1044 }
1045 }
1046 if (status!=BTM_CMD_STARTED)
1047 {
1048 /* Some error beginning the scan process.
1049 Reset the next_state parameter.. Do we need to reset the inq_active also?
1050 */
1051 BTM_TRACE_API1("BTM:Interleaving: Error in Starting inquiry, status: 0x%02x", status);
1052 p_inq->next_state=BTM_BR_ONE;
1053 }
1054 #endif
1055
1056
1057 return (status);
1058 }
1059
1060
1061 /*******************************************************************************
1062 **
1063 ** Function BTM_ReadRemoteDeviceName
1064 **
1065 ** Description This function initiates a remote device HCI command to the
1066 ** controller and calls the callback when the process has completed.
1067 **
1068 ** Input Params: remote_bda - device address of name to retrieve
1069 ** p_cb - callback function called when BTM_CMD_STARTED
1070 ** is returned.
1071 ** A pointer to tBTM_REMOTE_DEV_NAME is passed to the
1072 ** callback.
1073 **
1074 ** Returns
1075 ** BTM_CMD_STARTED is returned if the request was successfully sent
1076 ** to HCI.
1077 ** BTM_BUSY if already in progress
1078 ** BTM_UNKNOWN_ADDR if device address is bad
1079 ** BTM_NO_RESOURCES if could not allocate resources to start the command
1080 ** BTM_WRONG_MODE if the device is not up.
1081 **
1082 *******************************************************************************/
BTM_ReadRemoteDeviceName(BD_ADDR remote_bda,tBTM_CMPL_CB * p_cb)1083 tBTM_STATUS BTM_ReadRemoteDeviceName (BD_ADDR remote_bda, tBTM_CMPL_CB *p_cb)
1084 {
1085 tBTM_INQ_INFO *p_cur = NULL;
1086 tINQ_DB_ENT *p_i;
1087
1088 BTM_TRACE_API6 ("BTM_ReadRemoteDeviceName: bd addr [%02x%02x%02x%02x%02x%02x]",
1089 remote_bda[0], remote_bda[1], remote_bda[2],
1090 remote_bda[3], remote_bda[4], remote_bda[5]);
1091
1092 /* Use the remote device's clock offset if it is in the local inquiry database */
1093 if ((p_i = btm_inq_db_find (remote_bda)) != NULL)
1094 {
1095 p_cur = &p_i->inq_info;
1096
1097 #if (BTM_INQ_GET_REMOTE_NAME == TRUE)
1098 p_cur->remote_name_state = BTM_INQ_RMT_NAME_EMPTY;
1099 #endif
1100 }
1101 BTM_TRACE_API0 ("no device found in inquiry db");
1102
1103 #if (BLE_INCLUDED == TRUE)
1104 if (BTM_UseLeLink(remote_bda))
1105 {
1106 return btm_ble_read_remote_name(remote_bda, p_cur, p_cb);
1107 }
1108 else
1109 #endif
1110
1111 return (btm_initiate_rem_name (remote_bda, p_cur, BTM_RMT_NAME_EXT,
1112 BTM_EXT_RMT_NAME_TIMEOUT, p_cb));
1113 }
1114
1115 /*******************************************************************************
1116 **
1117 ** Function BTM_CancelRemoteDeviceName
1118 **
1119 ** Description This function initiates the cancel request for the specified
1120 ** remote device.
1121 **
1122 ** Input Params: None
1123 **
1124 ** Returns
1125 ** BTM_CMD_STARTED is returned if the request was successfully sent
1126 ** to HCI.
1127 ** BTM_NO_RESOURCES if could not allocate resources to start the command
1128 ** BTM_WRONG_MODE if there is not an active remote name request.
1129 **
1130 *******************************************************************************/
BTM_CancelRemoteDeviceName(void)1131 tBTM_STATUS BTM_CancelRemoteDeviceName (void)
1132 {
1133 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1134
1135 BTM_TRACE_API0 ("BTM_CancelRemoteDeviceName()");
1136
1137 /* Make sure there is not already one in progress */
1138 if (p_inq->remname_active)
1139 {
1140 #if BLE_INCLUDED == TRUE
1141 if (BTM_UseLeLink(p_inq->remname_bda))
1142 {
1143 if (btm_ble_cancel_remote_name(p_inq->remname_bda))
1144 return (BTM_CMD_STARTED);
1145 else
1146 return (BTM_UNKNOWN_ADDR);
1147 }
1148 else
1149 #endif
1150 if (btsnd_hcic_rmt_name_req_cancel (p_inq->remname_bda))
1151 return (BTM_CMD_STARTED);
1152 else
1153 return (BTM_NO_RESOURCES);
1154 }
1155 else
1156 return (BTM_WRONG_MODE);
1157 }
1158
1159 /*******************************************************************************
1160 **
1161 ** Function BTM_InqFirstResult
1162 **
1163 ** Description This function looks through the inquiry database for the first
1164 ** used entrysince the LAST inquiry. This is used in conjunction
1165 ** with BTM_InqNext by applications as a way to walk through the
1166 ** inquiry results database.
1167 **
1168 ** Returns pointer to first in-use entry, or NULL if DB is empty
1169 **
1170 *******************************************************************************/
BTM_InqFirstResult(void)1171 tBTM_INQ_INFO *BTM_InqFirstResult (void)
1172 {
1173 UINT16 xx;
1174 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db;
1175 UINT32 cur_inq_count = btm_cb.btm_inq_vars.inq_counter - 1;
1176
1177 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++)
1178 {
1179 if (p_ent->in_use && p_ent->inq_count == cur_inq_count)
1180 return (&p_ent->inq_info);
1181 }
1182
1183 /* If here, no used entry found */
1184 return ((tBTM_INQ_INFO *)NULL);
1185 }
1186
1187
1188 /*******************************************************************************
1189 **
1190 ** Function BTM_InqNextResult
1191 **
1192 ** Description This function looks through the inquiry database for the next
1193 ** used entrysince the LAST inquiry. If the input parameter is NULL,
1194 ** the first entry is returned.
1195 **
1196 ** Returns pointer to next in-use entry, or NULL if no more found.
1197 **
1198 *******************************************************************************/
BTM_InqNextResult(tBTM_INQ_INFO * p_cur)1199 tBTM_INQ_INFO *BTM_InqNextResult (tBTM_INQ_INFO *p_cur)
1200 {
1201 tINQ_DB_ENT *p_ent;
1202 UINT16 inx;
1203 UINT32 cur_inq_count = btm_cb.btm_inq_vars.inq_counter - 1;
1204
1205 if (p_cur)
1206 {
1207 p_ent = (tINQ_DB_ENT *) ((UINT8 *)p_cur - offsetof (tINQ_DB_ENT, inq_info));
1208 inx = (UINT16)((p_ent - btm_cb.btm_inq_vars.inq_db) + 1);
1209
1210 for (p_ent = &btm_cb.btm_inq_vars.inq_db[inx]; inx < BTM_INQ_DB_SIZE; inx++, p_ent++)
1211 {
1212 if (p_ent->in_use && p_ent->inq_count == cur_inq_count)
1213 return (&p_ent->inq_info);
1214 }
1215
1216 /* If here, more entries found */
1217 return ((tBTM_INQ_INFO *)NULL);
1218 }
1219 else
1220 return (BTM_InqDbFirst());
1221 }
1222
1223
1224 /*******************************************************************************
1225 **
1226 ** Function BTM_InqDbRead
1227 **
1228 ** Description This function looks through the inquiry database for a match
1229 ** based on Bluetooth Device Address. This is the application's
1230 ** interface to get the inquiry details of a specific BD address.
1231 **
1232 ** Returns pointer to entry, or NULL if not found
1233 **
1234 *******************************************************************************/
BTM_InqDbRead(BD_ADDR p_bda)1235 tBTM_INQ_INFO *BTM_InqDbRead (BD_ADDR p_bda)
1236 {
1237 UINT16 xx;
1238 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db;
1239
1240 BTM_TRACE_API6 ("BTM_InqDbRead: bd addr [%02x%02x%02x%02x%02x%02x]",
1241 p_bda[0], p_bda[1], p_bda[2], p_bda[3], p_bda[4], p_bda[5]);
1242
1243 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++)
1244 {
1245 if ((p_ent->in_use) && (!memcmp (p_ent->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN)))
1246 return (&p_ent->inq_info);
1247 }
1248
1249 /* If here, not found */
1250 return ((tBTM_INQ_INFO *)NULL);
1251 }
1252
1253
1254 /*******************************************************************************
1255 **
1256 ** Function BTM_InqDbFirst
1257 **
1258 ** Description This function looks through the inquiry database for the first
1259 ** used entry, and returns that. This is used in conjunction with
1260 ** BTM_InqDbNext by applications as a way to walk through the
1261 ** inquiry database.
1262 **
1263 ** Returns pointer to first in-use entry, or NULL if DB is empty
1264 **
1265 *******************************************************************************/
BTM_InqDbFirst(void)1266 tBTM_INQ_INFO *BTM_InqDbFirst (void)
1267 {
1268 UINT16 xx;
1269 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db;
1270
1271 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++)
1272 {
1273 if (p_ent->in_use)
1274 return (&p_ent->inq_info);
1275 }
1276
1277 /* If here, no used entry found */
1278 return ((tBTM_INQ_INFO *)NULL);
1279 }
1280
1281
1282 /*******************************************************************************
1283 **
1284 ** Function BTM_InqDbNext
1285 **
1286 ** Description This function looks through the inquiry database for the next
1287 ** used entry, and returns that. If the input parameter is NULL,
1288 ** the first entry is returned.
1289 **
1290 ** Returns pointer to next in-use entry, or NULL if no more found.
1291 **
1292 *******************************************************************************/
BTM_InqDbNext(tBTM_INQ_INFO * p_cur)1293 tBTM_INQ_INFO *BTM_InqDbNext (tBTM_INQ_INFO *p_cur)
1294 {
1295 tINQ_DB_ENT *p_ent;
1296 UINT16 inx;
1297
1298 if (p_cur)
1299 {
1300 p_ent = (tINQ_DB_ENT *) ((UINT8 *)p_cur - offsetof (tINQ_DB_ENT, inq_info));
1301 inx = (UINT16)((p_ent - btm_cb.btm_inq_vars.inq_db) + 1);
1302
1303 for (p_ent = &btm_cb.btm_inq_vars.inq_db[inx]; inx < BTM_INQ_DB_SIZE; inx++, p_ent++)
1304 {
1305 if (p_ent->in_use)
1306 return (&p_ent->inq_info);
1307 }
1308
1309 /* If here, more entries found */
1310 return ((tBTM_INQ_INFO *)NULL);
1311 }
1312 else
1313 return (BTM_InqDbFirst());
1314 }
1315
1316
1317 /*******************************************************************************
1318 **
1319 ** Function BTM_ClearInqDb
1320 **
1321 ** Description This function is called to clear out a device or all devices
1322 ** from the inquiry database.
1323 **
1324 ** Parameter p_bda - (input) BD_ADDR -> Address of device to clear
1325 ** (NULL clears all entries)
1326 **
1327 ** Returns BTM_BUSY if an inquiry, get remote name, or event filter
1328 ** is active, otherwise BTM_SUCCESS
1329 **
1330 *******************************************************************************/
BTM_ClearInqDb(BD_ADDR p_bda)1331 tBTM_STATUS BTM_ClearInqDb (BD_ADDR p_bda)
1332 {
1333 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1334
1335 /* If an inquiry or remote name is in progress return busy */
1336 if (p_inq->inq_active != BTM_INQUIRY_INACTIVE ||
1337 p_inq->inqfilt_active)
1338 return (BTM_BUSY);
1339
1340 btm_clr_inq_db(p_bda);
1341
1342 return (BTM_SUCCESS);
1343 }
1344
1345
1346 /*******************************************************************************
1347 **
1348 ** Function BTM_ReadNumInqDbEntries
1349 **
1350 ** Returns This function returns the number of entries in the inquiry database.
1351 **
1352 *******************************************************************************/
BTM_ReadNumInqDbEntries(void)1353 UINT8 BTM_ReadNumInqDbEntries (void)
1354 {
1355 UINT8 num_entries;
1356 UINT8 num_results;
1357 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db;
1358
1359 for (num_entries = 0, num_results = 0; num_entries < BTM_INQ_DB_SIZE; num_entries++, p_ent++)
1360 {
1361 if (p_ent->in_use)
1362 num_results++;
1363 }
1364
1365 return (num_results);
1366 }
1367
1368
1369 /*******************************************************************************
1370 **
1371 ** Function BTM_InquiryRegisterForChanges
1372 **
1373 ** Returns This function is called to register a callback for when the
1374 ** inquiry database changes, i.e. new entry or entry deleted.
1375 **
1376 *******************************************************************************/
BTM_InquiryRegisterForChanges(tBTM_INQ_DB_CHANGE_CB * p_cb)1377 tBTM_STATUS BTM_InquiryRegisterForChanges (tBTM_INQ_DB_CHANGE_CB *p_cb)
1378 {
1379 if (!p_cb)
1380 btm_cb.btm_inq_vars.p_inq_change_cb = NULL;
1381 else if (btm_cb.btm_inq_vars.p_inq_change_cb)
1382 return (BTM_BUSY);
1383 else
1384 btm_cb.btm_inq_vars.p_inq_change_cb = p_cb;
1385
1386 return (BTM_SUCCESS);
1387 }
1388
1389
1390 /*******************************************************************************
1391 **
1392 ** Function BTM_SetInquiryFilterCallback
1393 **
1394 ** Description Host can register to be asked whenever an inquiry result
1395 ** is received. If host does not like the device no name
1396 ** request is issued for the device
1397 **
1398 ** Returns void
1399 **
1400 *******************************************************************************/
BTM_SetInquiryFilterCallback(tBTM_FILTER_CB * p_callback)1401 void BTM_SetInquiryFilterCallback (tBTM_FILTER_CB *p_callback)
1402 {
1403 btm_cb.p_inq_filter_cb = p_callback;
1404 }
1405
1406 /*******************************************************************************
1407 **
1408 ** Function BTM_ReadInquiryRspTxPower
1409 **
1410 ** Description This command will read the inquiry Transmit Power level used
1411 ** to transmit the FHS and EIR data packets.
1412 ** This can be used directly in the Tx Power Level EIR data type.
1413 **
1414 ** Returns BTM_SUCCESS if successful
1415 **
1416 *******************************************************************************/
BTM_ReadInquiryRspTxPower(tBTM_CMPL_CB * p_cb)1417 tBTM_STATUS BTM_ReadInquiryRspTxPower (tBTM_CMPL_CB *p_cb)
1418 {
1419 if (btm_cb.devcb.p_txpwer_cmpl_cb)
1420 return (BTM_BUSY);
1421
1422 btu_start_timer (&btm_cb.devcb.txpwer_timer, BTU_TTYPE_BTM_ACL, BTM_INQ_REPLY_TIMEOUT );
1423
1424
1425 btm_cb.devcb.p_txpwer_cmpl_cb = p_cb;
1426
1427 if (!btsnd_hcic_read_inq_tx_power ())
1428 {
1429 btm_cb.devcb.p_txpwer_cmpl_cb = NULL;
1430 btu_stop_timer (&btm_cb.devcb.txpwer_timer);
1431 return (BTM_NO_RESOURCES);
1432 }
1433 else
1434 return (BTM_CMD_STARTED);
1435 }
1436 /*******************************************************************************
1437 **
1438 ** Function BTM_WriteInquiryTxPower
1439 **
1440 ** Description This command is used to write the inquiry transmit power level
1441 ** used to transmit the inquiry (ID) data packets. The Controller
1442 ** should use the supported TX power level closest to the Tx_Power
1443 ** parameter.
1444 **
1445 ** Returns BTM_SUCCESS if successful
1446 **
1447 *******************************************************************************/
BTM_WriteInquiryTxPower(INT8 tx_power)1448 tBTM_STATUS BTM_WriteInquiryTxPower (INT8 tx_power)
1449 {
1450 tBTM_STATUS status = BTM_SUCCESS;
1451
1452 if (tx_power < BTM_MIN_INQ_TX_POWER || tx_power > BTM_MAX_INQ_TX_POWER)
1453 {
1454 status = BTM_ILLEGAL_VALUE;
1455 }
1456 else if (!btsnd_hcic_write_inq_tx_power(tx_power))
1457 status = BTM_NO_RESOURCES;
1458
1459 return status;
1460 }
1461 /*********************************************************************************
1462 **********************************************************************************
1463 ** **
1464 ** BTM Internal Inquiry Functions **
1465 ** **
1466 **********************************************************************************
1467 *********************************************************************************/
1468 /*******************************************************************************
1469 **
1470 ** Function btm_inq_db_reset
1471 **
1472 ** Description This function is called at at reset to clear the inquiry
1473 ** database & pending callback.
1474 **
1475 ** Returns void
1476 **
1477 *******************************************************************************/
btm_inq_db_reset(void)1478 void btm_inq_db_reset (void)
1479 {
1480 tBTM_REMOTE_DEV_NAME rem_name;
1481 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1482 UINT8 num_responses;
1483 UINT8 temp_inq_active;
1484 tBTM_STATUS status;
1485
1486 btu_stop_timer (&p_inq->inq_timer_ent);
1487
1488 /* If an inquiry or periodic inquiry is active, reset the mode to inactive */
1489 if (p_inq->inq_active != BTM_INQUIRY_INACTIVE)
1490 {
1491 temp_inq_active = p_inq->inq_active; /* Save so state can change BEFORE
1492 callback is called */
1493 p_inq->inq_active = BTM_INQUIRY_INACTIVE;
1494
1495 /* If not a periodic inquiry, the complete callback must be called to notify caller */
1496 if (temp_inq_active == BTM_LIMITED_INQUIRY_ACTIVE ||
1497 temp_inq_active == BTM_GENERAL_INQUIRY_ACTIVE)
1498 {
1499 if (p_inq->p_inq_cmpl_cb)
1500 {
1501 num_responses = 0;
1502 (*p_inq->p_inq_cmpl_cb)(&num_responses);
1503 }
1504 }
1505 }
1506
1507 /* Cancel a remote name request if active, and notify the caller (if waiting) */
1508 if (p_inq->remname_active )
1509 {
1510 btu_stop_timer (&p_inq->rmt_name_timer_ent);
1511 p_inq->remname_active = FALSE;
1512 memset(p_inq->remname_bda, 0, BD_ADDR_LEN);
1513
1514 if (p_inq->p_remname_cmpl_cb)
1515 {
1516 rem_name.status = BTM_DEV_RESET;
1517
1518 (*p_inq->p_remname_cmpl_cb)(&rem_name);
1519 p_inq->p_remname_cmpl_cb = NULL;
1520 }
1521 }
1522
1523 /* Cancel an inquiry filter request if active, and notify the caller (if waiting) */
1524 if (p_inq->inqfilt_active)
1525 {
1526 p_inq->inqfilt_active = FALSE;
1527
1528 if (p_inq->p_inqfilter_cmpl_cb)
1529 {
1530 status = BTM_DEV_RESET;
1531 (*p_inq->p_inqfilter_cmpl_cb)(&status);
1532 }
1533 }
1534
1535 p_inq->state = BTM_INQ_INACTIVE_STATE;
1536 p_inq->pending_filt_complete_event = 0;
1537 p_inq->p_inq_results_cb = NULL;
1538 btm_clr_inq_db(NULL); /* Clear out all the entries in the database */
1539 btm_clr_inq_result_flt();
1540
1541 p_inq->discoverable_mode = BTM_NON_DISCOVERABLE;
1542 p_inq->connectable_mode = BTM_NON_CONNECTABLE;
1543 p_inq->page_scan_type = BTM_SCAN_TYPE_STANDARD;
1544 p_inq->inq_scan_type = BTM_SCAN_TYPE_STANDARD;
1545
1546 #if BLE_INCLUDED == TRUE
1547 p_inq->discoverable_mode |= BTM_BLE_NON_DISCOVERABLE;
1548 p_inq->connectable_mode |= BTM_BLE_NON_CONNECTABLE;
1549 #endif
1550 return;
1551 }
1552
1553
1554 /*********************************************************************************
1555 **
1556 ** Function btm_inq_db_init
1557 **
1558 ** Description This function is called at startup to initialize the inquiry
1559 ** database.
1560 **
1561 ** Returns void
1562 **
1563 *******************************************************************************/
btm_inq_db_init(void)1564 void btm_inq_db_init (void)
1565 {
1566 #if 0 /* cleared in btm_init; put back in if called from anywhere else! */
1567 memset (&btm_cb.btm_inq_vars, 0, sizeof (tBTM_INQUIRY_VAR_ST));
1568 #endif
1569 btm_cb.btm_inq_vars.no_inc_ssp = BTM_NO_SSP_ON_INQUIRY;
1570 }
1571
1572 /*********************************************************************************
1573 **
1574 ** Function btm_inq_stop_on_ssp
1575 **
1576 ** Description This function is called on incoming SSP
1577 **
1578 ** Returns void
1579 **
1580 *******************************************************************************/
btm_inq_stop_on_ssp(void)1581 void btm_inq_stop_on_ssp(void)
1582 {
1583 UINT8 normal_active = (BTM_GENERAL_INQUIRY_ACTIVE|BTM_LIMITED_INQUIRY_ACTIVE);
1584
1585 #if (BTM_INQ_DEBUG == TRUE)
1586 BTM_TRACE_DEBUG4 ("btm_inq_stop_on_ssp: no_inc_ssp=%d inq_active:0x%x state:%d inqfilt_active:%d",
1587 btm_cb.btm_inq_vars.no_inc_ssp, btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active);
1588 #endif
1589 if (btm_cb.btm_inq_vars.no_inc_ssp)
1590 {
1591 if (btm_cb.btm_inq_vars.state == BTM_INQ_ACTIVE_STATE)
1592 {
1593 if (btm_cb.btm_inq_vars.inq_active & BTM_PERIODIC_INQUIRY_ACTIVE)
1594 {
1595 BTM_CancelPeriodicInquiry();
1596 }
1597 else if (btm_cb.btm_inq_vars.inq_active & normal_active)
1598 {
1599 /* can not call BTM_CancelInquiry() here. We need to report inquiry complete evt */
1600 btsnd_hcic_inq_cancel();
1601 }
1602 }
1603 /* do not allow inquiry to start */
1604 btm_cb.btm_inq_vars.inq_active |= BTM_SSP_INQUIRY_ACTIVE;
1605 }
1606 }
1607
1608 /*********************************************************************************
1609 **
1610 ** Function btm_inq_clear_ssp
1611 **
1612 ** Description This function is called when pairing_state becomes idle
1613 **
1614 ** Returns void
1615 **
1616 *******************************************************************************/
btm_inq_clear_ssp(void)1617 void btm_inq_clear_ssp(void)
1618 {
1619 btm_cb.btm_inq_vars.inq_active &= ~BTM_SSP_INQUIRY_ACTIVE;
1620 }
1621
1622 /*********************************************************************************
1623 **
1624 ** Function btm_clr_inq_db
1625 **
1626 ** Description This function is called to clear out a device or all devices
1627 ** from the inquiry database.
1628 **
1629 ** Parameter p_bda - (input) BD_ADDR -> Address of device to clear
1630 ** (NULL clears all entries)
1631 **
1632 ** Returns void
1633 **
1634 *******************************************************************************/
btm_clr_inq_db(BD_ADDR p_bda)1635 void btm_clr_inq_db (BD_ADDR p_bda)
1636 {
1637 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1638 tINQ_DB_ENT *p_ent = p_inq->inq_db;
1639 UINT16 xx;
1640
1641 #if (BTM_INQ_DEBUG == TRUE)
1642 BTM_TRACE_DEBUG2 ("btm_clr_inq_db: inq_active:0x%x state:%d",
1643 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state);
1644 #endif
1645 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++)
1646 {
1647 if (p_ent->in_use)
1648 {
1649 /* If this is the specified BD_ADDR or clearing all devices */
1650 if (p_bda == NULL ||
1651 (!memcmp (p_ent->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN)))
1652 {
1653 p_ent->in_use = FALSE;
1654 #if (BTM_INQ_GET_REMOTE_NAME == TRUE)
1655 p_ent->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY;
1656 #endif
1657
1658 if (btm_cb.btm_inq_vars.p_inq_change_cb)
1659 (*btm_cb.btm_inq_vars.p_inq_change_cb) (&p_ent->inq_info, FALSE);
1660 }
1661 }
1662 }
1663 #if (BTM_INQ_DEBUG == TRUE)
1664 BTM_TRACE_DEBUG2 ("inq_active:0x%x state:%d",
1665 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state);
1666 #endif
1667 }
1668
1669
1670 /*******************************************************************************
1671 **
1672 ** Function btm_clr_inq_result_flt
1673 **
1674 ** Description This function looks through the bdaddr database for a match
1675 ** based on Bluetooth Device Address
1676 **
1677 ** Returns TRUE if found, else FALSE (new entry)
1678 **
1679 *******************************************************************************/
btm_clr_inq_result_flt(void)1680 static void btm_clr_inq_result_flt (void)
1681 {
1682 #if BTM_USE_INQ_RESULTS_FILTER == TRUE
1683 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1684
1685 if (p_inq->p_bd_db)
1686 {
1687 GKI_freebuf(p_inq->p_bd_db);
1688 p_inq->p_bd_db = NULL;
1689 }
1690 p_inq->num_bd_entries = 0;
1691 p_inq->max_bd_entries = 0;
1692 #endif
1693 }
1694
1695 /*******************************************************************************
1696 **
1697 ** Function btm_inq_find_bdaddr
1698 **
1699 ** Description This function looks through the bdaddr database for a match
1700 ** based on Bluetooth Device Address
1701 **
1702 ** Returns TRUE if found, else FALSE (new entry)
1703 **
1704 *******************************************************************************/
btm_inq_find_bdaddr(BD_ADDR p_bda)1705 BOOLEAN btm_inq_find_bdaddr (BD_ADDR p_bda)
1706 {
1707 #if BTM_USE_INQ_RESULTS_FILTER == TRUE
1708 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1709 tINQ_BDADDR *p_db = &p_inq->p_bd_db[0];
1710 UINT16 xx;
1711
1712 /* Don't bother searching, database doesn't exist or periodic mode */
1713 if ((p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) || !p_db)
1714 return (FALSE);
1715
1716 for (xx = 0; xx < p_inq->num_bd_entries; xx++, p_db++)
1717 {
1718 if (!memcmp(p_db->bd_addr, p_bda, BD_ADDR_LEN)
1719 && p_db->inq_count == p_inq->inq_counter)
1720 return (TRUE);
1721 }
1722
1723 if (xx < p_inq->max_bd_entries)
1724 {
1725 p_db->inq_count = p_inq->inq_counter;
1726 memcpy(p_db->bd_addr, p_bda, BD_ADDR_LEN);
1727 p_inq->num_bd_entries++;
1728 }
1729
1730 #endif
1731 /* If here, New Entry */
1732 return (FALSE);
1733 }
1734
1735 /*******************************************************************************
1736 **
1737 ** Function btm_inq_db_find
1738 **
1739 ** Description This function looks through the inquiry database for a match
1740 ** based on Bluetooth Device Address
1741 **
1742 ** Returns pointer to entry, or NULL if not found
1743 **
1744 *******************************************************************************/
btm_inq_db_find(BD_ADDR p_bda)1745 tINQ_DB_ENT *btm_inq_db_find (BD_ADDR p_bda)
1746 {
1747 UINT16 xx;
1748 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db;
1749
1750 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++)
1751 {
1752 if ((p_ent->in_use) && (!memcmp (p_ent->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN)))
1753 return (p_ent);
1754 }
1755
1756 /* If here, not found */
1757 return (NULL);
1758 }
1759
1760
1761 /*******************************************************************************
1762 **
1763 ** Function btm_inq_db_new
1764 **
1765 ** Description This function looks through the inquiry database for an unused
1766 ** entry. If no entry is free, it allocates the oldest entry.
1767 **
1768 ** Returns pointer to entry
1769 **
1770 *******************************************************************************/
btm_inq_db_new(BD_ADDR p_bda)1771 tINQ_DB_ENT *btm_inq_db_new (BD_ADDR p_bda)
1772 {
1773 UINT16 xx;
1774 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db;
1775 tINQ_DB_ENT *p_old = btm_cb.btm_inq_vars.inq_db;
1776 UINT32 ot = 0xFFFFFFFF;
1777
1778 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++)
1779 {
1780 if (!p_ent->in_use)
1781 {
1782 memset (p_ent, 0, sizeof (tINQ_DB_ENT));
1783 memcpy (p_ent->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN);
1784 p_ent->in_use = TRUE;
1785
1786 #if (BTM_INQ_GET_REMOTE_NAME==TRUE)
1787 p_ent->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY;
1788 #endif
1789
1790 return (p_ent);
1791 }
1792
1793 if (p_ent->time_of_resp < ot)
1794 {
1795 p_old = p_ent;
1796 ot = p_ent->time_of_resp;
1797 }
1798 }
1799
1800 /* If here, no free entry found. Return the oldest. */
1801
1802 /* Before deleting the oldest, if anyone is registered for change */
1803 /* notifications, then tell him we are deleting an entry. */
1804 if (btm_cb.btm_inq_vars.p_inq_change_cb)
1805 (*btm_cb.btm_inq_vars.p_inq_change_cb) (&p_old->inq_info, FALSE);
1806
1807 memset (p_old, 0, sizeof (tINQ_DB_ENT));
1808 memcpy (p_old->inq_info.results.remote_bd_addr, p_bda, BD_ADDR_LEN);
1809 p_old->in_use = TRUE;
1810
1811 #if (BTM_INQ_GET_REMOTE_NAME==TRUE)
1812 p_old->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY;
1813 #endif
1814
1815 return (p_old);
1816 }
1817
1818
1819 /*******************************************************************************
1820 **
1821 ** Function btm_set_inq_event_filter
1822 **
1823 ** Description This function is called to set the inquiry event filter.
1824 ** It is called by either internally, or by the external API function
1825 ** (BTM_SetInqEventFilter). It is used internally as part of the
1826 ** inquiry processing.
1827 **
1828 ** Input Params:
1829 ** filter_cond_type - this is the type of inquiry filter to apply:
1830 ** BTM_FILTER_COND_DEVICE_CLASS,
1831 ** BTM_FILTER_COND_BD_ADDR, or
1832 ** BTM_CLR_INQUIRY_FILTER
1833 **
1834 ** p_filt_cond - this is either a BD_ADDR or DEV_CLASS depending on the
1835 ** filter_cond_type (See section 4.7.3 of Core Spec 1.0b).
1836 **
1837 ** Returns BTM_CMD_STARTED if successfully initiated
1838 ** BTM_NO_RESOURCES if couldn't get a memory pool buffer
1839 ** BTM_ILLEGAL_VALUE if a bad parameter was detected
1840 **
1841 *******************************************************************************/
btm_set_inq_event_filter(UINT8 filter_cond_type,tBTM_INQ_FILT_COND * p_filt_cond)1842 static tBTM_STATUS btm_set_inq_event_filter (UINT8 filter_cond_type,
1843 tBTM_INQ_FILT_COND *p_filt_cond)
1844 {
1845 UINT8 condition_length = DEV_CLASS_LEN * 2;
1846 UINT8 condition_buf[DEV_CLASS_LEN * 2];
1847 UINT8 *p_cond = condition_buf; /* points to the condition to pass to HCI */
1848
1849 #if (BTM_INQ_DEBUG == TRUE)
1850 BTM_TRACE_DEBUG1 ("btm_set_inq_event_filter: filter type %d [Clear-0, COD-1, BDADDR-2]",
1851 filter_cond_type);
1852 BTM_TRACE_DEBUG6 (" condition [%02x%02x%02x %02x%02x%02x]",
1853 p_filt_cond->bdaddr_cond[0], p_filt_cond->bdaddr_cond[1], p_filt_cond->bdaddr_cond[2],
1854 p_filt_cond->bdaddr_cond[3], p_filt_cond->bdaddr_cond[4], p_filt_cond->bdaddr_cond[5]);
1855 #endif
1856
1857 /* Load the correct filter condition to pass to the lower layer */
1858 switch (filter_cond_type)
1859 {
1860 case BTM_FILTER_COND_DEVICE_CLASS:
1861 /* copy the device class and device class fields into contiguous memory to send to HCI */
1862 memcpy (condition_buf, p_filt_cond->cod_cond.dev_class, DEV_CLASS_LEN);
1863 memcpy (&condition_buf[DEV_CLASS_LEN],
1864 p_filt_cond->cod_cond.dev_class_mask, DEV_CLASS_LEN);
1865
1866 /* condition length should already be set as the default */
1867 break;
1868
1869 case BTM_FILTER_COND_BD_ADDR:
1870 p_cond = p_filt_cond->bdaddr_cond;
1871
1872 /* condition length should already be set as the default */
1873 break;
1874
1875 case BTM_CLR_INQUIRY_FILTER:
1876 condition_length = 0;
1877 break;
1878
1879 default:
1880 return (BTM_ILLEGAL_VALUE); /* Bad parameter was passed in */
1881 }
1882
1883 btm_cb.btm_inq_vars.inqfilt_active = TRUE;
1884
1885 /* Filter the inquiry results for the specified condition type and value */
1886 if (btsnd_hcic_set_event_filter(HCI_FILTER_INQUIRY_RESULT, filter_cond_type,
1887 p_cond, condition_length))
1888
1889 return (BTM_CMD_STARTED);
1890 else
1891 return (BTM_NO_RESOURCES);
1892 }
1893
1894
1895 /*******************************************************************************
1896 **
1897 ** Function btm_event_filter_complete
1898 **
1899 ** Description This function is called when a set event filter has completed.
1900 ** Note: This routine currently only handles inquiry filters.
1901 ** Connection filters are ignored for now.
1902 **
1903 ** Returns void
1904 **
1905 *******************************************************************************/
btm_event_filter_complete(UINT8 * p)1906 void btm_event_filter_complete (UINT8 *p)
1907 {
1908 UINT8 hci_status;
1909 tBTM_STATUS status;
1910 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1911 tBTM_CMPL_CB *p_cb = p_inq->p_inqfilter_cmpl_cb;
1912
1913 #if (BTM_INQ_DEBUG == TRUE)
1914 BTM_TRACE_DEBUG3 ("btm_event_filter_complete: inq_active:0x%x state:%d inqfilt_active:%d",
1915 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active);
1916 #endif
1917 /* If the filter complete event is from an old or cancelled request, ignore it */
1918 if(p_inq->pending_filt_complete_event)
1919 {
1920 p_inq->pending_filt_complete_event--;
1921 return;
1922 }
1923
1924 /* Only process the inquiry filter; Ignore the connection filter until it
1925 is used by the upper layers */
1926 if (p_inq->inqfilt_active == TRUE )
1927 {
1928 /* Extract the returned status from the buffer */
1929 STREAM_TO_UINT8 (hci_status, p);
1930 if (hci_status != HCI_SUCCESS)
1931 {
1932 /* If standalone operation, return the error status; if embedded in the inquiry, continue the inquiry */
1933 BTM_TRACE_WARNING1 ("BTM Warning: Set Event Filter Failed (HCI returned 0x%x)", hci_status);
1934 status = BTM_ERR_PROCESSING;
1935 }
1936 else
1937 status = BTM_SUCCESS;
1938
1939 /* If the set filter was initiated externally (via BTM_SetInqEventFilter), call the
1940 callback function to notify the initiator that it has completed */
1941 if (p_inq->state == BTM_INQ_INACTIVE_STATE)
1942 {
1943 p_inq->inqfilt_active = FALSE;
1944 if (p_cb)
1945 (*p_cb) (&status);
1946 }
1947 else /* An inquiry is active (the set filter command was internally generated),
1948 process the next state of the process (Set a new filter or start the inquiry). */
1949 {
1950 if(status != BTM_SUCCESS)
1951 {
1952 /* Process the inquiry complete (Error Status) */
1953 btm_process_inq_complete (BTM_ERR_PROCESSING, (UINT8)(p_inq->inqparms.mode & BTM_BR_INQUIRY_MASK));
1954
1955 /* btm_process_inq_complete() does not restore the following settings on periodic inquiry */
1956 p_inq->inqfilt_active = FALSE;
1957 p_inq->inq_active = BTM_INQUIRY_INACTIVE;
1958 p_inq->state = BTM_INQ_INACTIVE_STATE;
1959
1960 return;
1961 }
1962
1963 /* Check to see if a new filter needs to be set up */
1964 if (p_inq->state == BTM_INQ_CLR_FILT_STATE)
1965 {
1966 if ((status = btm_set_inq_event_filter (p_inq->inqparms.filter_cond_type, &p_inq->inqparms.filter_cond)) == BTM_CMD_STARTED)
1967 {
1968 p_inq->state = BTM_INQ_SET_FILT_STATE;
1969 }
1970 else /* Error setting the filter: Call the initiator's callback function to indicate a failure */
1971 {
1972 p_inq->inqfilt_active = FALSE;
1973
1974 /* Process the inquiry complete (Error Status) */
1975 btm_process_inq_complete (BTM_ERR_PROCESSING, (UINT8)(p_inq->inqparms.mode & BTM_BR_INQUIRY_MASK));
1976 }
1977 }
1978 else /* Initiate the Inquiry or Periodic Inquiry */
1979 {
1980 p_inq->state = BTM_INQ_ACTIVE_STATE;
1981 p_inq->inqfilt_active = FALSE;
1982 btm_initiate_inquiry (p_inq);
1983 }
1984 }
1985 }
1986 }
1987
1988
1989 /*******************************************************************************
1990 **
1991 ** Function btm_initiate_inquiry
1992 **
1993 ** Description This function is called to start an inquiry or periodic inquiry
1994 ** upon completion of the setting and/or clearing of the inquiry filter.
1995 **
1996 ** Inputs: p_inq (btm_cb.btm_inq_vars) - pointer to saved inquiry information
1997 ** mode - GENERAL or LIMITED inquiry
1998 ** duration - length in 1.28 sec intervals (If '0', the inquiry is CANCELLED)
1999 ** max_resps - maximum amount of devices to search for before ending the inquiry
2000 ** filter_cond_type - BTM_CLR_INQUIRY_FILTER, BTM_FILTER_COND_DEVICE_CLASS, or
2001 ** BTM_FILTER_COND_BD_ADDR
2002 ** filter_cond - value for the filter (based on filter_cond_type)
2003 **
2004 ** Returns If an error occurs the initiator's callback is called with the error status.
2005 **
2006 *******************************************************************************/
btm_initiate_inquiry(tBTM_INQUIRY_VAR_ST * p_inq)2007 static void btm_initiate_inquiry (tBTM_INQUIRY_VAR_ST *p_inq)
2008 {
2009 const LAP *lap;
2010 tBTM_INQ_PARMS *p_inqparms = &p_inq->inqparms;
2011
2012 #if (BTM_INQ_DEBUG == TRUE)
2013 BTM_TRACE_DEBUG3 ("btm_initiate_inquiry: inq_active:0x%x state:%d inqfilt_active:%d",
2014 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active);
2015 #endif
2016 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE)
2017 btm_acl_update_busy_level (BTM_BLI_INQ_EVT);
2018 #endif
2019
2020 if (p_inq->inq_active & BTM_SSP_INQUIRY_ACTIVE)
2021 {
2022 btm_process_inq_complete (BTM_NO_RESOURCES, (UINT8)(p_inqparms->mode & BTM_BR_INQUIRY_MASK));
2023 return;
2024 }
2025
2026 /* Make sure the number of responses doesn't overflow the database configuration */
2027 p_inqparms->max_resps = (UINT8)((p_inqparms->max_resps <= BTM_INQ_DB_SIZE) ? p_inqparms->max_resps : BTM_INQ_DB_SIZE);
2028
2029 lap = (p_inq->inq_active & BTM_LIMITED_INQUIRY_ACTIVE) ? &limited_inq_lap : &general_inq_lap;
2030
2031 if (p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE)
2032 {
2033 if (!btsnd_hcic_per_inq_mode (p_inq->per_max_delay,
2034 p_inq->per_min_delay,
2035 *lap, p_inqparms->duration,
2036 p_inqparms->max_resps))
2037 btm_process_inq_complete (BTM_NO_RESOURCES, (UINT8)(p_inqparms->mode & BTM_BR_INQUIRY_MASK));
2038 }
2039 else
2040 {
2041 #if BTM_USE_INQ_RESULTS_FILTER == TRUE
2042 btm_clr_inq_result_flt();
2043
2044 /* Allocate memory to hold bd_addrs responding */
2045 if ((p_inq->p_bd_db = (tINQ_BDADDR *)GKI_getbuf(GKI_MAX_BUF_SIZE)) != NULL)
2046 {
2047 p_inq->max_bd_entries = (UINT16)(GKI_MAX_BUF_SIZE / sizeof(tINQ_BDADDR));
2048 memset(p_inq->p_bd_db, 0, GKI_MAX_BUF_SIZE);
2049 /* BTM_TRACE_DEBUG1("btm_initiate_inquiry: memory allocated for %d bdaddrs",
2050 p_inq->max_bd_entries); */
2051 }
2052
2053 if (!btsnd_hcic_inquiry(*lap, p_inqparms->duration, 0))
2054 #else
2055 if (!btsnd_hcic_inquiry(*lap, p_inqparms->duration, p_inqparms->max_resps))
2056 #endif /* BTM_USE_INQ_RESULTS_FILTER */
2057 btm_process_inq_complete (BTM_NO_RESOURCES, (UINT8)(p_inqparms->mode & BTM_BR_INQUIRY_MASK));
2058 }
2059 }
2060
2061 /*******************************************************************************
2062 **
2063 ** Function btm_process_inq_results
2064 **
2065 ** Description This function is called when inquiry results are received from
2066 ** the device. It updates the inquiry database. If the inquiry
2067 ** database is full, the oldest entry is discarded.
2068 **
2069 ** Parameters inq_res_mode - BTM_INQ_RESULT_STANDARD
2070 ** BTM_INQ_RESULT_WITH_RSSI
2071 ** BTM_INQ_RESULT_EXTENDED
2072 **
2073 ** Returns void
2074 **
2075 *******************************************************************************/
btm_process_inq_results(UINT8 * p,UINT8 inq_res_mode)2076 void btm_process_inq_results (UINT8 *p, UINT8 inq_res_mode)
2077 {
2078 UINT8 num_resp, xx;
2079 BD_ADDR bda;
2080 tINQ_DB_ENT *p_i;
2081 tBTM_INQ_RESULTS *p_cur=NULL;
2082 BOOLEAN is_new = TRUE;
2083 BOOLEAN update = FALSE;
2084 INT8 i_rssi;
2085 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2086 tBTM_INQ_RESULTS_CB *p_inq_results_cb = p_inq->p_inq_results_cb;
2087 UINT8 page_scan_rep_mode = 0;
2088 UINT8 page_scan_per_mode = 0;
2089 UINT8 page_scan_mode = 0;
2090 UINT8 rssi = 0;
2091 DEV_CLASS dc;
2092 UINT16 clock_offset;
2093 #if (BTM_EIR_CLIENT_INCLUDED == TRUE)
2094 UINT8 *p_eir_data = NULL;
2095 #if (BTM_INQ_GET_REMOTE_NAME==TRUE)
2096 UINT8 remote_name_len;
2097 #endif
2098 #endif
2099
2100 #if (BTM_INQ_DEBUG == TRUE)
2101 BTM_TRACE_DEBUG3 ("btm_process_inq_results inq_active:0x%x state:%d inqfilt_active:%d",
2102 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active);
2103 #endif
2104 /* Only process the results if the BR inquiry is still active */
2105 if (!(p_inq->inq_active & BTM_BR_INQ_ACTIVE_MASK))
2106 return;
2107
2108 STREAM_TO_UINT8 (num_resp, p);
2109
2110 for (xx = 0; xx < num_resp; xx++)
2111 {
2112 update = FALSE;
2113 /* Extract inquiry results */
2114 STREAM_TO_BDADDR (bda, p);
2115 STREAM_TO_UINT8 (page_scan_rep_mode, p);
2116 STREAM_TO_UINT8 (page_scan_per_mode, p);
2117
2118 if (inq_res_mode == BTM_INQ_RESULT_STANDARD)
2119 {
2120 STREAM_TO_UINT8(page_scan_mode, p);
2121 }
2122
2123 STREAM_TO_DEVCLASS (dc, p);
2124 STREAM_TO_UINT16 (clock_offset, p);
2125 if (inq_res_mode != BTM_INQ_RESULT_STANDARD)
2126 {
2127 STREAM_TO_UINT8(rssi, p);
2128 }
2129
2130 p_i = btm_inq_db_find (bda);
2131
2132 #if BTM_USE_INQ_RESULTS_FILTER == TRUE
2133 /* Only process the num_resp is smaller than max_resps.
2134 If results are queued to BTU task while canceling inquiry,
2135 or when more than one result is in this response, > max_resp
2136 responses could be processed which can confuse some apps
2137 */
2138 if (p_inq->inqparms.max_resps &&
2139 p_inq->inq_cmpl_info.num_resp >= p_inq->inqparms.max_resps
2140 #if BLE_INCLUDED == TRUE
2141 /* new device response */
2142 && ( p_i == NULL ||
2143 /* exisiting device with BR/EDR info */
2144 (p_i && (p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BREDR) != 0)
2145 )
2146 #endif
2147
2148 )
2149 {
2150 /* BTM_TRACE_WARNING0("INQ RES: Extra Response Received...ignoring"); */
2151 return;
2152 }
2153 #endif
2154
2155 /* Check if this address has already been processed for this inquiry */
2156 if (btm_inq_find_bdaddr(bda))
2157 {
2158 /* BTM_TRACE_DEBUG6("BDA seen before [%02x%02x %02x%02x %02x%02x]",
2159 bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);*/
2160 /* By default suppose no update needed */
2161 i_rssi = (INT8)rssi;
2162
2163 /* If this new RSSI is higher than the last one */
2164 if(p_inq->inqparms.report_dup && (rssi != 0) &&
2165 p_i && (i_rssi > p_i->inq_info.results.rssi || p_i->inq_info.results.rssi == 0
2166 #if BLE_INCLUDED == TRUE
2167 /* BR/EDR inquiry information update */
2168 || (p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BREDR) != 0
2169 #endif
2170 ))
2171 {
2172 p_cur = &p_i->inq_info.results;
2173 BTM_TRACE_DEBUG2("update RSSI new:%d, old:%d", i_rssi, p_cur->rssi);
2174 p_cur->rssi = i_rssi;
2175 update = TRUE;
2176 }
2177 /* If we received a second Extended Inq Event for an already */
2178 /* discovered device, this is because for the first one EIR was not received */
2179 else if ((inq_res_mode == BTM_INQ_RESULT_EXTENDED) && (p_i))
2180 {
2181 p_cur = &p_i->inq_info.results;
2182 update = TRUE;
2183 }
2184 /* If no update needed continue with next response (if any) */
2185 else
2186 continue;
2187 }
2188
2189 /* Host can be registered to verify comming BDA or DC */
2190 if (btm_cb.p_inq_filter_cb)
2191 {
2192 if (!(* btm_cb.p_inq_filter_cb) (bda, dc))
2193 {
2194 continue;
2195 }
2196 }
2197
2198 /* If existing entry, use that, else get a new one (possibly reusing the oldest) */
2199 if (p_i == NULL)
2200 {
2201 p_i = btm_inq_db_new (bda);
2202 is_new = TRUE;
2203 }
2204
2205 /* If an entry for the device already exists, overwrite it ONLY if it is from
2206 a previous inquiry. (Ignore it if it is a duplicate response from the same
2207 inquiry.
2208 */
2209 else if (p_i->inq_count == p_inq->inq_counter
2210 #if (BLE_INCLUDED == TRUE )
2211 && (p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BREDR)
2212 #endif
2213 )
2214 is_new = FALSE;
2215
2216 /* keep updating RSSI to have latest value */
2217 if( inq_res_mode != BTM_INQ_RESULT_STANDARD )
2218 p_i->inq_info.results.rssi = (INT8)rssi;
2219 else
2220 p_i->inq_info.results.rssi = BTM_INQ_RES_IGNORE_RSSI;
2221
2222 if (is_new == TRUE)
2223 {
2224 /* Save the info */
2225 p_cur = &p_i->inq_info.results;
2226 p_cur->page_scan_rep_mode = page_scan_rep_mode;
2227 p_cur->page_scan_per_mode = page_scan_per_mode;
2228 p_cur->page_scan_mode = page_scan_mode;
2229 p_cur->dev_class[0] = dc[0];
2230 p_cur->dev_class[1] = dc[1];
2231 p_cur->dev_class[2] = dc[2];
2232 p_cur->clock_offset = clock_offset | BTM_CLOCK_OFFSET_VALID;
2233
2234 p_i->time_of_resp = GKI_get_tick_count ();
2235
2236 if (p_i->inq_count != p_inq->inq_counter)
2237 p_inq->inq_cmpl_info.num_resp++; /* A new response was found */
2238
2239 #if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE)
2240 p_cur->inq_result_type = BTM_INQ_RESULT_BR;
2241 if (p_i->inq_count != p_inq->inq_counter)
2242 {
2243 p_cur->device_type = BT_DEVICE_TYPE_BREDR;
2244 p_i->scan_rsp = FALSE;
2245 }
2246 else
2247 p_cur->device_type |= BT_DEVICE_TYPE_BREDR;
2248 #endif
2249 p_i->inq_count = p_inq->inq_counter; /* Mark entry for current inquiry */
2250
2251 #if BTM_USE_INQ_RESULTS_FILTER == TRUE
2252 /* If the number of responses found and not unlimited, issue a cancel inquiry */
2253 if (!(p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) &&
2254 p_inq->inqparms.max_resps &&
2255 p_inq->inq_cmpl_info.num_resp == p_inq->inqparms.max_resps
2256 #if BLE_INCLUDED == TRUE
2257 /* BLE scanning is active and received adv */
2258 && ((((p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) != 0) &&
2259 p_cur->device_type == BT_DEVICE_TYPE_DUMO && p_i->scan_rsp) ||
2260 (p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) == 0)
2261 #endif
2262 )
2263 {
2264 /* BTM_TRACE_DEBUG0("BTMINQ: Found devices, cancelling inquiry..."); */
2265 btsnd_hcic_inq_cancel();
2266
2267 #if BLE_INCLUDED == TRUE
2268 if ((p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) != 0)
2269 btm_ble_stop_scan();
2270 #endif
2271
2272
2273 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE)
2274 btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT);
2275 #endif
2276 }
2277 #endif
2278 /* Initialize flag to FALSE. This flag is set/used by application */
2279 p_i->inq_info.appl_knows_rem_name = FALSE;
2280 }
2281
2282 if (is_new || update)
2283 {
2284 #if (BTM_INQ_GET_REMOTE_NAME==TRUE)
2285 #if (BTM_EIR_CLIENT_INCLUDED == TRUE)
2286 if( inq_res_mode == BTM_INQ_RESULT_EXTENDED )
2287 {
2288 if((p_eir_data = BTM_CheckEirData( p, BTM_EIR_COMPLETE_LOCAL_NAME_TYPE,
2289 &remote_name_len )) == NULL)
2290 {
2291 p_eir_data = BTM_CheckEirData( p, BTM_EIR_SHORTENED_LOCAL_NAME_TYPE,
2292 &remote_name_len );
2293 }
2294
2295 if( p_eir_data )
2296 {
2297 if( remote_name_len > BTM_MAX_REM_BD_NAME_LEN )
2298 remote_name_len = BTM_MAX_REM_BD_NAME_LEN;
2299
2300 p_i->inq_info.remote_name_len = remote_name_len;
2301 memcpy( p_i->inq_info.remote_name, p_eir_data, p_i->inq_info.remote_name_len );
2302 p_i->inq_info.remote_name[p_i->inq_info.remote_name_len] = 0;
2303 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_DONE;
2304 }
2305 else
2306 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY;
2307 }
2308 else
2309 #endif
2310 {
2311 /* Clear out the device name so that it can be re-read */
2312 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_EMPTY;
2313 }
2314 #endif /*(BTM_INQ_GET_REMOTE_NAME==TRUE)*/
2315
2316 #if (BTM_EIR_CLIENT_INCLUDED == TRUE)
2317 if( inq_res_mode == BTM_INQ_RESULT_EXTENDED )
2318 {
2319 memset( p_cur->eir_uuid, 0,
2320 BTM_EIR_SERVICE_ARRAY_SIZE * (BTM_EIR_ARRAY_BITS/8));
2321 /* set bit map of UUID list from received EIR */
2322 btm_set_eir_uuid( p, p_cur );
2323 p_eir_data = p;
2324 }
2325 else
2326 p_eir_data = NULL;
2327 #endif
2328
2329 /* If a callback is registered, call it with the results */
2330 if (p_inq_results_cb)
2331 #if (BTM_EIR_CLIENT_INCLUDED == TRUE)
2332 (p_inq_results_cb)((tBTM_INQ_RESULTS *) p_cur, p_eir_data);
2333 #else
2334 (p_inq_results_cb)((tBTM_INQ_RESULTS *) p_cur, NULL);
2335 #endif
2336
2337 /* If anyone is registered for change notifications, then tell him we added an entry. */
2338 if (p_inq->p_inq_change_cb)
2339 (*p_inq->p_inq_change_cb) (&p_i->inq_info, TRUE);
2340 }
2341 }
2342 }
2343
2344 /*******************************************************************************
2345 **
2346 ** Function btm_sort_inq_result
2347 **
2348 ** Description This function is called when inquiry complete is received
2349 ** from the device to sort inquiry results based on rssi.
2350 **
2351 ** Returns void
2352 **
2353 *******************************************************************************/
btm_sort_inq_result(void)2354 void btm_sort_inq_result(void)
2355 {
2356 UINT8 xx, yy, num_resp;
2357 tINQ_DB_ENT *p_tmp = NULL;
2358 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db;
2359 tINQ_DB_ENT *p_next = btm_cb.btm_inq_vars.inq_db+1;
2360 int size;
2361
2362 num_resp = (btm_cb.btm_inq_vars.inq_cmpl_info.num_resp<BTM_INQ_DB_SIZE)?
2363 btm_cb.btm_inq_vars.inq_cmpl_info.num_resp: BTM_INQ_DB_SIZE;
2364
2365 if((p_tmp = (tINQ_DB_ENT *)GKI_getbuf(sizeof(tINQ_DB_ENT))) != NULL)
2366 {
2367 size = sizeof(tINQ_DB_ENT);
2368 for(xx = 0; xx < num_resp-1; xx++, p_ent++)
2369 {
2370 for(yy = xx+1, p_next = p_ent+1; yy < num_resp; yy++, p_next++)
2371 {
2372 if(p_ent->inq_info.results.rssi < p_next->inq_info.results.rssi)
2373 {
2374 memcpy (p_tmp, p_next, size);
2375 memcpy (p_next, p_ent, size);
2376 memcpy (p_ent, p_tmp, size);
2377 }
2378 }
2379 }
2380
2381 GKI_freebuf(p_tmp);
2382 }
2383 }
2384
2385 /*******************************************************************************
2386 **
2387 ** Function btm_process_inq_complete
2388 **
2389 ** Description This function is called when inquiry complete is received
2390 ** from the device. Call the callback if not in periodic inquiry
2391 ** mode AND it is not NULL (The caller wants the event).
2392 **
2393 ** The callback pass back the status and the number of responses
2394 **
2395 ** Returns void
2396 **
2397 *******************************************************************************/
btm_process_inq_complete(UINT8 status,UINT8 mode)2398 void btm_process_inq_complete (UINT8 status, UINT8 mode)
2399 {
2400 tBTM_CMPL_CB *p_inq_cb = btm_cb.btm_inq_vars.p_inq_cmpl_cb;
2401 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2402
2403 #if (BTM_INQ_GET_REMOTE_NAME==TRUE)
2404 tBTM_INQ_INFO *p_cur;
2405 UINT8 tempstate;
2406 #endif
2407 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
2408 /* inquiry inactive case happens when inquiry is cancelled.
2409 Make mode 0 for no further inquiries from the current inquiry process
2410 */
2411 if(status!=HCI_SUCCESS || p_inq->next_state==BTM_FINISH || !p_inq->inq_active)
2412 {
2413 /* re-initialize for next inquiry request */
2414 p_inq->next_state=BTM_BR_ONE;
2415 /* make the mode 0 here */
2416 p_inq->inqparms.mode &= ~(p_inq->inqparms.mode);
2417
2418 }
2419 #endif
2420
2421 #if (!defined(BTA_HOST_INTERLEAVE_SEARCH) || BTA_HOST_INTERLEAVE_SEARCH == FALSE)
2422 p_inq->inqparms.mode &= ~(mode);
2423 #endif
2424
2425 if(p_inq->scan_type == INQ_LE_OBSERVE && !p_inq->inq_active)
2426 {
2427 /*end of LE observe*/
2428 p_inq->p_inq_ble_results_cb = (tBTM_INQ_RESULTS_CB *) NULL;
2429 p_inq->p_inq_ble_cmpl_cb = (tBTM_CMPL_CB *) NULL;
2430 p_inq->scan_type=INQ_NONE;
2431 }
2432
2433
2434 #if (BTM_INQ_DEBUG == TRUE)
2435 BTM_TRACE_DEBUG3 ("btm_process_inq_complete inq_active:0x%x state:%d inqfilt_active:%d",
2436 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active);
2437 #endif
2438 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE)
2439 btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT);
2440 #endif
2441 /* Ignore any stray or late complete messages if the inquiry is not active */
2442 if (p_inq->inq_active)
2443 {
2444 p_inq->inq_cmpl_info.status = (tBTM_STATUS)((status == HCI_SUCCESS) ? BTM_SUCCESS : BTM_ERR_PROCESSING);
2445
2446 #if (BTM_INQ_GET_REMOTE_NAME==TRUE)
2447 if (p_inq->inq_cmpl_info.status == BTM_SUCCESS)
2448 {
2449 for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur))
2450 {
2451 if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_EMPTY)
2452 {
2453 tempstate = p_cur->remote_name_state;
2454 p_cur->remote_name_state = BTM_INQ_RMT_NAME_PENDING;
2455
2456 if (btm_initiate_rem_name (p_cur->results.remote_bd_addr,
2457 p_cur, BTM_RMT_NAME_INQ,
2458 BTM_INQ_RMT_NAME_TIMEOUT, NULL) != BTM_CMD_STARTED)
2459 p_cur->remote_name_state = tempstate;
2460 else
2461 return;
2462 }
2463 }
2464 }
2465 #endif
2466
2467 /* Notify caller that the inquiry has completed; (periodic inquiries do not send completion events */
2468 if (!(p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) && p_inq->inqparms.mode == 0)
2469 {
2470 p_inq->state = BTM_INQ_INACTIVE_STATE;
2471
2472 /* Increment so the start of a next inquiry has a new count */
2473 p_inq->inq_counter++;
2474
2475 btm_clr_inq_result_flt();
2476
2477 if((p_inq->inq_cmpl_info.status == BTM_SUCCESS) &&
2478 HCI_LMP_INQ_RSSI_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0]))
2479 {
2480 btm_sort_inq_result();
2481 }
2482
2483 /* Clear the results callback if set */
2484 p_inq->p_inq_results_cb = (tBTM_INQ_RESULTS_CB *) NULL;
2485 p_inq->inq_active = BTM_INQUIRY_INACTIVE;
2486 p_inq->p_inq_cmpl_cb = (tBTM_CMPL_CB *) NULL;
2487
2488 /* If we have a callback registered for inquiry complete, call it */
2489 BTM_TRACE_DEBUG2 ("BTM Inq Compl Callback: status 0x%02x, num results %d",
2490 p_inq->inq_cmpl_info.status, p_inq->inq_cmpl_info.num_resp);
2491
2492 if (p_inq_cb)
2493 (p_inq_cb)((tBTM_INQUIRY_CMPL *) &p_inq->inq_cmpl_info);
2494 }
2495 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
2496 if(p_inq->inqparms.mode != 0 && !(p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE))
2497 {
2498 /* make inquiry inactive for next iteration */
2499 p_inq->inq_active = BTM_INQUIRY_INACTIVE;
2500 /* call the inquiry again */
2501 BTM_StartInquiry(&p_inq->inqparms,p_inq->p_inq_results_cb,p_inq->p_inq_cmpl_cb);
2502 return;
2503 }
2504 #endif
2505 }
2506 if(p_inq->inqparms.mode == 0 && p_inq->scan_type == INQ_GENERAL)//this inquiry is complete
2507 {
2508 p_inq->scan_type = INQ_NONE;
2509 #if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE)
2510 /* check if the LE observe is pending */
2511 if(p_inq->p_inq_ble_results_cb != NULL)
2512 {
2513 BTM_TRACE_DEBUG0("BTM Inq Compl: resuming a pending LE scan");
2514 BTM_BleObserve(1,0, p_inq->p_inq_ble_results_cb, p_inq->p_inq_ble_cmpl_cb);
2515 }
2516 #endif
2517 }
2518 #if (BTM_INQ_DEBUG == TRUE)
2519 BTM_TRACE_DEBUG3 ("inq_active:0x%x state:%d inqfilt_active:%d",
2520 btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active);
2521 #endif
2522 }
2523
2524 /*******************************************************************************
2525 **
2526 ** Function btm_process_cancel_complete
2527 **
2528 ** Description This function is called when inquiry cancel complete is received
2529 ** from the device.This function will also call the btm_process_inq_complete
2530 ** This function is needed to differentiate a cancel_cmpl_evt from the
2531 ** inq_cmpl_evt
2532 **
2533 ** Returns void
2534 **
2535 *******************************************************************************/
btm_process_cancel_complete(UINT8 status,UINT8 mode)2536 void btm_process_cancel_complete(UINT8 status, UINT8 mode)
2537 {
2538 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE)
2539 btm_acl_update_busy_level (BTM_BLI_INQ_CANCEL_EVT);
2540 #endif
2541 btm_process_inq_complete(status, mode);
2542 }
2543 /*******************************************************************************
2544 **
2545 ** Function btm_initiate_rem_name
2546 **
2547 ** Description This function looks initiates a remote name request. It is called
2548 ** either by GAP or by the API call BTM_ReadRemoteDeviceName.
2549 **
2550 ** Input Params: p_cur - pointer to an inquiry result structure (NULL if nonexistent)
2551 ** p_cb - callback function called when BTM_CMD_STARTED
2552 ** is returned.
2553 ** A pointer to tBTM_REMOTE_DEV_NAME is passed to the
2554 ** callback.
2555 **
2556 ** Returns
2557 ** BTM_CMD_STARTED is returned if the request was sent to HCI.
2558 ** BTM_BUSY if already in progress
2559 ** BTM_NO_RESOURCES if could not allocate resources to start the command
2560 ** BTM_WRONG_MODE if the device is not up.
2561 **
2562 *******************************************************************************/
btm_initiate_rem_name(BD_ADDR remote_bda,tBTM_INQ_INFO * p_cur,UINT8 origin,UINT32 timeout,tBTM_CMPL_CB * p_cb)2563 tBTM_STATUS btm_initiate_rem_name (BD_ADDR remote_bda, tBTM_INQ_INFO *p_cur,
2564 UINT8 origin, UINT32 timeout, tBTM_CMPL_CB *p_cb)
2565 {
2566 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2567 BOOLEAN cmd_ok;
2568
2569
2570 /*** Make sure the device is ready ***/
2571 if (!BTM_IsDeviceUp())
2572 return (BTM_WRONG_MODE);
2573
2574
2575 if (origin == BTM_RMT_NAME_SEC)
2576 {
2577 cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, HCI_PAGE_SCAN_REP_MODE_R1,
2578 HCI_MANDATARY_PAGE_SCAN_MODE, 0);
2579 if (cmd_ok)
2580 return BTM_CMD_STARTED;
2581 else
2582 return BTM_NO_RESOURCES;
2583 }
2584 /* Make sure there are no two remote name requests from external API in progress */
2585 else if (origin == BTM_RMT_NAME_EXT)
2586 {
2587 if (p_inq->remname_active)
2588 {
2589 return (BTM_BUSY);
2590 }
2591 else
2592 {
2593 /* If there is no remote name request running,call the callback function and start timer */
2594 p_inq->p_remname_cmpl_cb = p_cb;
2595 memcpy(p_inq->remname_bda, remote_bda, BD_ADDR_LEN);
2596 btu_start_timer (&p_inq->rmt_name_timer_ent,
2597 BTU_TTYPE_BTM_RMT_NAME,
2598 timeout);
2599
2600 /* If the database entry exists for the device, use its clock offset */
2601 if (p_cur)
2602 {
2603 cmd_ok = btsnd_hcic_rmt_name_req (remote_bda,
2604 p_cur->results.page_scan_rep_mode,
2605 p_cur->results.page_scan_mode,
2606 (UINT16)(p_cur->results.clock_offset |
2607 BTM_CLOCK_OFFSET_VALID));
2608 }
2609 else /* Otherwise use defaults and mark the clock offset as invalid */
2610 {
2611 cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, HCI_PAGE_SCAN_REP_MODE_R1,
2612 HCI_MANDATARY_PAGE_SCAN_MODE, 0);
2613 }
2614 if (cmd_ok)
2615 {
2616 p_inq->remname_active = TRUE;
2617 return BTM_CMD_STARTED;
2618 }
2619 else
2620 return BTM_NO_RESOURCES;
2621 }
2622 }
2623 /* If the inquire feature is on */
2624 #if (BTM_INQ_GET_REMOTE_NAME==TRUE)
2625
2626 else if (origin == BTM_RMT_NAME_INQ)
2627 {
2628 /* If the database entry exists for the device, use its clock offset */
2629 if (p_cur)
2630 {
2631 cmd_ok = btsnd_hcic_rmt_name_req (remote_bda,
2632 p_cur->results.page_scan_rep_mode,
2633 p_cur->results.page_scan_mode,
2634 (UINT16)(p_cur->results.clock_offset |
2635 BTM_CLOCK_OFFSET_VALID));
2636 }
2637 else
2638 {
2639 cmd_ok = FALSE
2640 }
2641
2642 if (cmd_ok)
2643 return BTM_CMD_STARTED;
2644 else
2645 return BTM_NO_RESOURCES;
2646 }
2647 #endif
2648 else
2649 {
2650
2651 return BTM_ILLEGAL_VALUE;
2652
2653
2654 }
2655
2656
2657 }
2658
2659 /*******************************************************************************
2660 **
2661 ** Function btm_process_remote_name
2662 **
2663 ** Description This function is called when a remote name is received from
2664 ** the device. If remote names are cached, it updates the inquiry
2665 ** database.
2666 **
2667 ** Returns void
2668 **
2669 *******************************************************************************/
btm_process_remote_name(BD_ADDR bda,BD_NAME bdn,UINT16 evt_len,UINT8 hci_status)2670 void btm_process_remote_name (BD_ADDR bda, BD_NAME bdn, UINT16 evt_len, UINT8 hci_status)
2671 {
2672 tBTM_REMOTE_DEV_NAME rem_name;
2673 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2674 tBTM_CMPL_CB *p_cb = p_inq->p_remname_cmpl_cb;
2675 UINT8 *p_n1;
2676
2677 UINT16 temp_evt_len;
2678
2679 #if (BTM_INQ_GET_REMOTE_NAME==TRUE)
2680 /*** These are only used if part of the Inquiry Process ***/
2681 tBTM_CMPL_CB *p_inq_cb;
2682 tINQ_DB_ENT *p_i = NULL;
2683 UINT8 *p_n;
2684 tBTM_INQ_INFO *p_cur;
2685 #endif
2686
2687 if (bda != NULL)
2688 {
2689 BTM_TRACE_EVENT6("BDA %02x:%02x:%02x:%02x:%02x:%02x",bda[0], bda[1],
2690 bda[2], bda[3],
2691 bda[4], bda[5]);
2692 }
2693
2694 BTM_TRACE_EVENT6("Inquire BDA %02x:%02x:%02x:%02x:%02x:%02x",p_inq->remname_bda[0], p_inq->remname_bda[1],
2695 p_inq->remname_bda[2], p_inq->remname_bda[3],
2696 p_inq->remname_bda[4], p_inq->remname_bda[5]);
2697
2698
2699
2700 /* If the inquire BDA and remote DBA are the same, then stop the timer and set the active to false */
2701 if ((p_inq->remname_active ==TRUE)&&
2702 (((bda != NULL) &&
2703 (memcmp(bda, p_inq->remname_bda,BD_ADDR_LEN)==0)) || bda == NULL))
2704
2705 {
2706 #if BLE_INCLUDED == TRUE
2707 if (BTM_UseLeLink(p_inq->remname_bda))
2708 {
2709 if (hci_status == HCI_ERR_UNSPECIFIED)
2710 btm_ble_cancel_remote_name(p_inq->remname_bda);
2711 }
2712 #endif
2713 btu_stop_timer (&p_inq->rmt_name_timer_ent);
2714 p_inq->remname_active = FALSE;
2715 /* Clean up and return the status if the command was not successful */
2716 /* Note: If part of the inquiry, the name is not stored, and the */
2717 /* inquiry complete callback is called. */
2718
2719 if ((hci_status == HCI_SUCCESS))
2720 {
2721 /* Copy the name from the data stream into the return structure */
2722 /* Note that even if it is not being returned, it is used as a */
2723 /* temporary buffer. */
2724 p_n1 = (UINT8 *)rem_name.remote_bd_name;
2725 rem_name.length = (evt_len < BD_NAME_LEN) ? evt_len : BD_NAME_LEN;
2726 rem_name.remote_bd_name[rem_name.length] = 0;
2727 rem_name.status = BTM_SUCCESS;
2728 temp_evt_len = rem_name.length;
2729
2730 while (temp_evt_len > 0)
2731 {
2732 *p_n1++ = *bdn++;
2733 temp_evt_len--;
2734 }
2735 rem_name.remote_bd_name[rem_name.length] = 0;
2736 }
2737
2738
2739 /* If processing a stand alone remote name then report the error in the callback */
2740 else
2741 {
2742 rem_name.status = BTM_BAD_VALUE_RET;
2743 rem_name.length = 0;
2744 rem_name.remote_bd_name[0] = 0;
2745 }
2746 /* Reset the remote BAD to zero and call callback if possible */
2747 memset(p_inq->remname_bda, 0, BD_ADDR_LEN);
2748
2749 p_inq->p_remname_cmpl_cb = NULL;
2750 if (p_cb)
2751 (p_cb)((tBTM_REMOTE_DEV_NAME *)&rem_name);
2752 }
2753
2754
2755 #if (BTM_INQ_GET_REMOTE_NAME==TRUE)
2756 /* If existing entry, update the name */
2757 if ((bda != NULL) && ((p_i = btm_inq_db_find (bda)) != NULL)
2758 && (hci_status == HCI_SUCCESS))
2759 {
2760 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_DONE;
2761 p_n = p_i->inq_info.remote_name;
2762 memset(p_n, 0, BTM_MAX_REM_BD_NAME_LEN + 1);
2763 p_i->inq_info.remote_name_len = (rem_name.length < BTM_MAX_REM_BD_NAME_LEN) ?
2764 rem_name.length : BTM_MAX_REM_BD_NAME_LEN;
2765 evt_len = p_i->inq_info.remote_name_len;
2766 p_n1 = (UINT8 *)rem_name.remote_bd_name;
2767 while (evt_len > 0)
2768 {
2769 *p_n++ = *p_n1++;
2770 evt_len--;
2771 }
2772
2773 if (btm_cb.btm_inq_vars.p_inq_change_cb)
2774 (*btm_cb.btm_inq_vars.p_inq_change_cb) (&p_i->inq_info, TRUE);
2775 }
2776 else
2777 {
2778 if (p_i)
2779 p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_FAILED;
2780 else
2781 {
2782 /* Find the entry which is currently doing name request */
2783 for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur))
2784 {
2785 if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_PENDING)
2786 {
2787 /* Should be only one */
2788 p_cur->remote_name_state = BTM_INQ_RMT_NAME_FAILED;
2789 break;
2790 }
2791 }
2792 }
2793 }
2794
2795 /* If an inquiry is in progress then update other entries */
2796 if (p_inq->inq_active)
2797 {
2798 /* Check if there are any more entries inquired but not named */
2799 for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur))
2800 {
2801 if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_EMPTY)
2802 {
2803 p_cur->remote_name_state = BTM_INQ_RMT_NAME_PENDING;
2804 #if (BLE_INCLUDED == TRUE)
2805 if (BTM_UseLeLink(remote_bda))
2806 {
2807 if (btm_ble_read_remote_name(remote_bda, p_cur, p_cb) != BTM_CMD_STARTED)
2808 p_cur->remote_name_state = BTM_INQ_RMT_NAME_FAILED;
2809 else
2810 return;
2811 }
2812 else
2813 #endif
2814 {
2815 if (btm_initiate_rem_name (p_cur->results.remote_bd_addr,
2816 p_cur, BTM_RMT_NAME_INQ,
2817 BTM_INQ_RMT_NAME_TIMEOUT, NULL) != BTM_CMD_STARTED)
2818 p_cur->remote_name_state = BTM_INQ_RMT_NAME_FAILED;
2819 else
2820 return;
2821 }
2822 }
2823 }
2824
2825 /* The inquiry has finished so call the callback for the inquiry */
2826 p_inq_cb = p_inq->p_inq_cmpl_cb;
2827 p_inq->state = BTM_INQ_INACTIVE_STATE;
2828 p_inq->inq_active = BTM_INQUIRY_INACTIVE;
2829 p_inq->p_inq_cmpl_cb = NULL;
2830
2831 /* If we have a callback registered for inquiry complete, call it */
2832 if (p_inq_cb)
2833 (p_inq_cb)((tBTM_INQUIRY_CMPL *) &p_inq->inq_cmpl_info);
2834
2835 /* In some cases we can not get name of the device once but will be */
2836 /* able to do it next time. Until we have better solution we will */
2837 /* try to get name every time */
2838 for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur))
2839 {
2840 if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_FAILED)
2841 p_cur->remote_name_state = BTM_INQ_RMT_NAME_EMPTY;
2842 }
2843 }
2844 #endif /* BTM_INQ_GET_REMOTE_NAME == TRUE */
2845 }
2846
2847 /*******************************************************************************
2848 **
2849 ** Function btm_inq_rmt_name_failed
2850 **
2851 ** Description This function is if timeout expires while getting remote
2852 ** name. This is done for devices that incorrectly do not
2853 ** report operation failure
2854 **
2855 ** Returns void
2856 **
2857 *******************************************************************************/
btm_inq_rmt_name_failed(void)2858 void btm_inq_rmt_name_failed (void)
2859 {
2860 BTM_TRACE_ERROR1 ("btm_inq_rmt_name_failed() remname_active=%d", btm_cb.btm_inq_vars.remname_active);
2861
2862 if (btm_cb.btm_inq_vars.remname_active)
2863 btm_process_remote_name (btm_cb.btm_inq_vars.remname_bda, NULL, 0, HCI_ERR_UNSPECIFIED);
2864 else
2865 btm_process_remote_name (NULL, NULL, 0, HCI_ERR_UNSPECIFIED);
2866
2867 btm_sec_rmt_name_request_complete (NULL, NULL, HCI_ERR_UNSPECIFIED);
2868 }
2869 /*******************************************************************************
2870 **
2871 ** Function btm_read_linq_tx_power_complete
2872 **
2873 ** Description read inquiry tx power level complete callback function.
2874 **
2875 ** Returns void
2876 **
2877 *******************************************************************************/
btm_read_linq_tx_power_complete(UINT8 * p)2878 void btm_read_linq_tx_power_complete(UINT8 *p)
2879 {
2880 tBTM_CMPL_CB *p_cb = btm_cb.devcb.p_txpwer_cmpl_cb;
2881 tBTM_INQ_TXPWR_RESULTS results;
2882
2883 btu_stop_timer (&btm_cb.devcb.txpwer_timer);
2884 /* If there was a callback registered for read inq tx power, call it */
2885 btm_cb.devcb.p_txpwer_cmpl_cb = NULL;
2886
2887 if (p_cb)
2888 {
2889 STREAM_TO_UINT8 (results.hci_status, p);
2890
2891 if (results.hci_status == HCI_SUCCESS)
2892 {
2893 results.status = BTM_SUCCESS;
2894
2895 STREAM_TO_UINT8 (results.tx_power, p);
2896 BTM_TRACE_EVENT2 ("BTM INQ TX POWER Complete: tx_power %d, hci status 0x%02x",
2897 results.tx_power, results.hci_status);
2898 }
2899 else
2900 results.status = BTM_ERR_PROCESSING;
2901
2902 (*p_cb)(&results);
2903 }
2904
2905 }
2906 /*******************************************************************************
2907 **
2908 ** Function BTM_WriteEIR
2909 **
2910 ** Description This function is called to write EIR data to controller.
2911 **
2912 ** Parameters p_buff - allocated HCI command buffer including extended
2913 ** inquriry response
2914 **
2915 ** Returns BTM_SUCCESS - if successful
2916 ** BTM_MODE_UNSUPPORTED - if local device cannot support it
2917 **
2918 *******************************************************************************/
BTM_WriteEIR(BT_HDR * p_buff)2919 tBTM_STATUS BTM_WriteEIR( BT_HDR *p_buff )
2920 {
2921 #if (BTM_EIR_SERVER_INCLUDED == TRUE)
2922 if (HCI_EXT_INQ_RSP_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0]))
2923 {
2924 BTM_TRACE_API0("Write Extended Inquiry Response to controller");
2925 btsnd_hcic_write_ext_inquiry_response (p_buff, BTM_EIR_DEFAULT_FEC_REQUIRED);
2926 return BTM_SUCCESS;
2927 }
2928 else
2929 {
2930 GKI_freebuf(p_buff);
2931 return BTM_MODE_UNSUPPORTED;
2932 }
2933 #else
2934 GKI_freebuf(p_buff);
2935 return BTM_SUCCESS;
2936 #endif
2937 }
2938
2939 /*******************************************************************************
2940 **
2941 ** Function BTM_CheckEirData
2942 **
2943 ** Description This function is called to get EIR data from significant part.
2944 **
2945 ** Parameters p_eir - pointer of EIR significant part
2946 ** type - finding EIR data type
2947 ** p_length - return the length of EIR data not including type
2948 **
2949 ** Returns pointer of EIR data
2950 **
2951 *******************************************************************************/
BTM_CheckEirData(UINT8 * p_eir,UINT8 type,UINT8 * p_length)2952 UINT8 *BTM_CheckEirData( UINT8 *p_eir, UINT8 type, UINT8 *p_length )
2953 {
2954 #if (BTM_EIR_CLIENT_INCLUDED == TRUE)
2955 UINT8 *p = p_eir;
2956 UINT8 length;
2957 UINT8 eir_type;
2958 BTM_TRACE_API1("BTM_CheckEirData type=0x%02X", type);
2959
2960 STREAM_TO_UINT8(length, p);
2961 while( length && (p - p_eir <= HCI_EXT_INQ_RESPONSE_LEN))
2962 {
2963 STREAM_TO_UINT8(eir_type, p);
2964 if( eir_type == type )
2965 {
2966 /* length doesn't include itself */
2967 *p_length = length - 1; /* minus the length of type */
2968 return p;
2969 }
2970 p += length - 1; /* skip the length of data */
2971 STREAM_TO_UINT8(length, p);
2972 }
2973
2974 *p_length = 0;
2975 return NULL;
2976 #else
2977 return NULL;
2978 #endif
2979 }
2980
2981 /*******************************************************************************
2982 **
2983 ** Function btm_convert_uuid_to_eir_service
2984 **
2985 ** Description This function is called to get the bit position of UUID.
2986 **
2987 ** Parameters uuid16 - UUID 16-bit
2988 **
2989 ** Returns BTM EIR service ID if found
2990 ** BTM_EIR_MAX_SERVICES - if not found
2991 **
2992 *******************************************************************************/
2993 #if (( BTM_EIR_CLIENT_INCLUDED == TRUE )||( BTM_EIR_SERVER_INCLUDED == TRUE ))
btm_convert_uuid_to_eir_service(UINT16 uuid16)2994 static UINT8 btm_convert_uuid_to_eir_service( UINT16 uuid16 )
2995 {
2996 UINT8 xx;
2997
2998 for( xx = 0; xx < BTM_EIR_MAX_SERVICES; xx++ )
2999 {
3000 if( uuid16 == BTM_EIR_UUID_LKUP_TBL[xx])
3001 {
3002 return xx;
3003 }
3004 }
3005 return BTM_EIR_MAX_SERVICES;
3006 }
3007 #endif
3008
3009 /*******************************************************************************
3010 **
3011 ** Function BTM_HasEirService
3012 **
3013 ** Description This function is called to know if UUID in bit map of UUID.
3014 **
3015 ** Parameters p_eir_uuid - bit map of UUID list
3016 ** uuid16 - UUID 16-bit
3017 **
3018 ** Returns TRUE - if found
3019 ** FALSE - if not found
3020 **
3021 *******************************************************************************/
BTM_HasEirService(UINT32 * p_eir_uuid,UINT16 uuid16)3022 BOOLEAN BTM_HasEirService( UINT32 *p_eir_uuid, UINT16 uuid16 )
3023 {
3024 #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE))
3025 UINT8 service_id;
3026
3027 service_id = btm_convert_uuid_to_eir_service(uuid16);
3028 if( service_id < BTM_EIR_MAX_SERVICES )
3029 return( BTM_EIR_HAS_SERVICE( p_eir_uuid, service_id ));
3030 else
3031 return( FALSE );
3032 #else
3033 return( FALSE );
3034 #endif
3035 }
3036
3037 /*******************************************************************************
3038 **
3039 ** Function BTM_HasInquiryEirService
3040 **
3041 ** Description This function is called to know if UUID in bit map of UUID list.
3042 **
3043 ** Parameters p_results - inquiry results
3044 ** uuid16 - UUID 16-bit
3045 **
3046 ** Returns BTM_EIR_FOUND - if found
3047 ** BTM_EIR_NOT_FOUND - if not found and it is complete list
3048 ** BTM_EIR_UNKNOWN - if not found and it is not complete list
3049 **
3050 *******************************************************************************/
BTM_HasInquiryEirService(tBTM_INQ_RESULTS * p_results,UINT16 uuid16)3051 tBTM_EIR_SEARCH_RESULT BTM_HasInquiryEirService( tBTM_INQ_RESULTS *p_results, UINT16 uuid16 )
3052 {
3053 #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE))
3054 if( BTM_HasEirService( p_results->eir_uuid, uuid16 ))
3055 {
3056 return BTM_EIR_FOUND;
3057 }
3058 else if( p_results->eir_complete_list )
3059 {
3060 return BTM_EIR_NOT_FOUND;
3061 }
3062 else
3063 return BTM_EIR_UNKNOWN;
3064 #else
3065 return BTM_EIR_UNKNOWN;
3066 #endif
3067 }
3068
3069 /*******************************************************************************
3070 **
3071 ** Function BTM_AddEirService
3072 **
3073 ** Description This function is called to add a service in bit map of UUID list.
3074 **
3075 ** Parameters p_eir_uuid - bit mask of UUID list for EIR
3076 ** uuid16 - UUID 16-bit
3077 **
3078 ** Returns None
3079 **
3080 *******************************************************************************/
BTM_AddEirService(UINT32 * p_eir_uuid,UINT16 uuid16)3081 void BTM_AddEirService( UINT32 *p_eir_uuid, UINT16 uuid16 )
3082 {
3083 #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE))
3084 UINT8 service_id;
3085
3086 service_id = btm_convert_uuid_to_eir_service(uuid16);
3087 if( service_id < BTM_EIR_MAX_SERVICES )
3088 BTM_EIR_SET_SERVICE( p_eir_uuid, service_id );
3089 #endif
3090 }
3091
3092 /*******************************************************************************
3093 **
3094 ** Function BTM_RemoveEirService
3095 **
3096 ** Description This function is called to remove a service in bit map of UUID list.
3097 **
3098 ** Parameters p_eir_uuid - bit mask of UUID list for EIR
3099 ** uuid16 - UUID 16-bit
3100 **
3101 ** Returns None
3102 **
3103 *******************************************************************************/
BTM_RemoveEirService(UINT32 * p_eir_uuid,UINT16 uuid16)3104 void BTM_RemoveEirService( UINT32 *p_eir_uuid, UINT16 uuid16 )
3105 {
3106 #if (BTM_EIR_SERVER_INCLUDED == TRUE)
3107 UINT8 service_id;
3108
3109 service_id = btm_convert_uuid_to_eir_service(uuid16);
3110 if( service_id < BTM_EIR_MAX_SERVICES )
3111 BTM_EIR_CLR_SERVICE( p_eir_uuid, service_id );
3112 #endif
3113 }
3114
3115 /*******************************************************************************
3116 **
3117 ** Function BTM_GetEirSupportedServices
3118 **
3119 ** Description This function is called to get UUID list from bit map of UUID list.
3120 **
3121 ** Parameters p_eir_uuid - bit mask of UUID list for EIR
3122 ** p - reference of current pointer of EIR
3123 ** max_num_uuid16 - max number of UUID can be written in EIR
3124 ** num_uuid16 - number of UUID have been written in EIR
3125 **
3126 ** Returns BTM_EIR_MORE_16BITS_UUID_TYPE, if it has more than max
3127 ** BTM_EIR_COMPLETE_16BITS_UUID_TYPE, otherwise
3128 **
3129 *******************************************************************************/
BTM_GetEirSupportedServices(UINT32 * p_eir_uuid,UINT8 ** p,UINT8 max_num_uuid16,UINT8 * p_num_uuid16)3130 UINT8 BTM_GetEirSupportedServices( UINT32 *p_eir_uuid, UINT8 **p,
3131 UINT8 max_num_uuid16, UINT8 *p_num_uuid16)
3132 {
3133 #if (BTM_EIR_SERVER_INCLUDED == TRUE)
3134 UINT8 service_index;
3135
3136 *p_num_uuid16 = 0;
3137
3138 for(service_index = 0; service_index < BTM_EIR_MAX_SERVICES; service_index++)
3139 {
3140 if( BTM_EIR_HAS_SERVICE( p_eir_uuid, service_index ))
3141 {
3142 if( *p_num_uuid16 < max_num_uuid16 )
3143 {
3144 UINT16_TO_STREAM(*p, BTM_EIR_UUID_LKUP_TBL[service_index]);
3145 (*p_num_uuid16)++;
3146 }
3147 /* if max number of UUIDs are stored and found one more */
3148 else
3149 {
3150 return BTM_EIR_MORE_16BITS_UUID_TYPE;
3151 }
3152 }
3153 }
3154 return BTM_EIR_COMPLETE_16BITS_UUID_TYPE;
3155 #else
3156 return BTM_EIR_COMPLETE_16BITS_UUID_TYPE;
3157 #endif
3158 }
3159
3160 /*******************************************************************************
3161 **
3162 ** Function BTM_GetEirUuidList
3163 **
3164 ** Description This function parses EIR and returns UUID list.
3165 **
3166 ** Parameters p_eir - EIR
3167 ** uuid_size - LEN_UUID_16, LEN_UUID_32, LEN_UUID_128
3168 ** p_num_uuid - return number of UUID in found list
3169 ** p_uuid_list - return UUID list
3170 ** max_num_uuid - maximum number of UUID to be returned
3171 **
3172 ** Returns 0 - if not found
3173 ** BTM_EIR_COMPLETE_16BITS_UUID_TYPE
3174 ** BTM_EIR_MORE_16BITS_UUID_TYPE
3175 ** BTM_EIR_COMPLETE_32BITS_UUID_TYPE
3176 ** BTM_EIR_MORE_32BITS_UUID_TYPE
3177 ** BTM_EIR_COMPLETE_128BITS_UUID_TYPE
3178 ** BTM_EIR_MORE_128BITS_UUID_TYPE
3179 **
3180 *******************************************************************************/
BTM_GetEirUuidList(UINT8 * p_eir,UINT8 uuid_size,UINT8 * p_num_uuid,UINT8 * p_uuid_list,UINT8 max_num_uuid)3181 UINT8 BTM_GetEirUuidList( UINT8 *p_eir, UINT8 uuid_size, UINT8 *p_num_uuid,
3182 UINT8 *p_uuid_list, UINT8 max_num_uuid)
3183 {
3184 #if (BTM_EIR_CLIENT_INCLUDED == TRUE)
3185 UINT8 *p_uuid_data;
3186 UINT8 type;
3187 UINT8 yy, xx;
3188 UINT16 *p_uuid16 = (UINT16 *)p_uuid_list;
3189 UINT32 *p_uuid32 = (UINT32 *)p_uuid_list;
3190 char buff[LEN_UUID_128 * 2 + 1];
3191
3192 p_uuid_data = btm_eir_get_uuid_list( p_eir, uuid_size, p_num_uuid, &type );
3193 if( p_uuid_data == NULL )
3194 {
3195 return 0x00;
3196 }
3197
3198 if( *p_num_uuid > max_num_uuid )
3199 {
3200 BTM_TRACE_WARNING2("BTM_GetEirUuidList number of uuid in EIR = %d, size of uuid list = %d",
3201 *p_num_uuid, max_num_uuid );
3202 *p_num_uuid = max_num_uuid;
3203 }
3204
3205 BTM_TRACE_DEBUG2("BTM_GetEirUuidList type = %02X, number of uuid = %d", type, *p_num_uuid );
3206
3207 if( uuid_size == LEN_UUID_16 )
3208 {
3209 for( yy = 0; yy < *p_num_uuid; yy++ )
3210 {
3211 STREAM_TO_UINT16(*(p_uuid16 + yy), p_uuid_data);
3212 BTM_TRACE_DEBUG1(" 0x%04X", *(p_uuid16 + yy));
3213 }
3214 }
3215 else if( uuid_size == LEN_UUID_32 )
3216 {
3217 for( yy = 0; yy < *p_num_uuid; yy++ )
3218 {
3219 STREAM_TO_UINT32(*(p_uuid32 + yy), p_uuid_data);
3220 BTM_TRACE_DEBUG1(" 0x%08X", *(p_uuid32 + yy));
3221 }
3222 }
3223 else if( uuid_size == LEN_UUID_128 )
3224 {
3225 for( yy = 0; yy < *p_num_uuid; yy++ )
3226 {
3227 STREAM_TO_ARRAY16(p_uuid_list + yy * LEN_UUID_128, p_uuid_data);
3228 for( xx = 0; xx < LEN_UUID_128; xx++ )
3229 sprintf(buff + xx*2, "%02X", *(p_uuid_list + yy * LEN_UUID_128 + xx));
3230 BTM_TRACE_DEBUG1(" 0x%s", buff);
3231 }
3232 }
3233
3234 return type;
3235 #else
3236 *p_num_uuid = 0;
3237 return 0x00;
3238 #endif
3239 }
3240
3241
3242 #if (BTM_EIR_CLIENT_INCLUDED == TRUE)
3243 /*******************************************************************************
3244 **
3245 ** Function btm_eir_get_uuid_list
3246 **
3247 ** Description This function searches UUID list in EIR.
3248 **
3249 ** Parameters p_eir - address of EIR
3250 ** uuid_size - size of UUID to find
3251 ** p_num_uuid - number of UUIDs found
3252 ** p_uuid_list_type - EIR data type
3253 **
3254 ** Returns NULL - if UUID list with uuid_size is not found
3255 ** beginning of UUID list in EIR - otherwise
3256 **
3257 *******************************************************************************/
btm_eir_get_uuid_list(UINT8 * p_eir,UINT8 uuid_size,UINT8 * p_num_uuid,UINT8 * p_uuid_list_type)3258 static UINT8 *btm_eir_get_uuid_list( UINT8 *p_eir, UINT8 uuid_size,
3259 UINT8 *p_num_uuid, UINT8 *p_uuid_list_type )
3260 {
3261 UINT8 *p_uuid_data;
3262 UINT8 complete_type, more_type;
3263 UINT8 uuid_len;
3264
3265 switch( uuid_size )
3266 {
3267 case LEN_UUID_16:
3268 complete_type = BTM_EIR_COMPLETE_16BITS_UUID_TYPE;
3269 more_type = BTM_EIR_MORE_16BITS_UUID_TYPE;
3270 break;
3271 case LEN_UUID_32:
3272 complete_type = BTM_EIR_COMPLETE_32BITS_UUID_TYPE;
3273 more_type = BTM_EIR_MORE_32BITS_UUID_TYPE;
3274 break;
3275 case LEN_UUID_128:
3276 complete_type = BTM_EIR_COMPLETE_128BITS_UUID_TYPE;
3277 more_type = BTM_EIR_MORE_128BITS_UUID_TYPE;
3278 break;
3279 default:
3280 *p_num_uuid = 0;
3281 return NULL;
3282 break;
3283 }
3284
3285 p_uuid_data = BTM_CheckEirData( p_eir, complete_type, &uuid_len );
3286 if(p_uuid_data == NULL)
3287 {
3288 p_uuid_data = BTM_CheckEirData( p_eir, more_type, &uuid_len );
3289 *p_uuid_list_type = more_type;
3290 }
3291 else
3292 {
3293 *p_uuid_list_type = complete_type;
3294 }
3295
3296 *p_num_uuid = uuid_len / uuid_size;
3297 return p_uuid_data;
3298 }
3299
3300 /*******************************************************************************
3301 **
3302 ** Function btm_convert_uuid_to_uuid16
3303 **
3304 ** Description This function converts UUID to UUID 16-bit.
3305 **
3306 ** Parameters p_uuid - address of UUID
3307 ** uuid_size - size of UUID
3308 **
3309 ** Returns 0 - if UUID cannot be converted to UUID 16-bit
3310 ** UUID 16-bit - otherwise
3311 **
3312 *******************************************************************************/
btm_convert_uuid_to_uuid16(UINT8 * p_uuid,UINT8 uuid_size)3313 static UINT16 btm_convert_uuid_to_uuid16( UINT8 *p_uuid, UINT8 uuid_size )
3314 {
3315 static const UINT8 base_uuid[LEN_UUID_128] = {0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
3316 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
3317 UINT16 uuid16 = 0;
3318 UINT32 uuid32;
3319 BOOLEAN is_base_uuid;
3320 UINT8 xx;
3321
3322 switch (uuid_size)
3323 {
3324 case LEN_UUID_16:
3325 STREAM_TO_UINT16 (uuid16, p_uuid);
3326 break;
3327 case LEN_UUID_32:
3328 STREAM_TO_UINT32 (uuid32, p_uuid);
3329 if (uuid32 < 0x10000)
3330 uuid16 = (UINT16) uuid32;
3331 break;
3332 case LEN_UUID_128:
3333 /* See if we can compress his UUID down to 16 or 32bit UUIDs */
3334 is_base_uuid = TRUE;
3335 for (xx = 0; xx < LEN_UUID_128 - 4; xx++)
3336 {
3337 if (p_uuid[xx] != base_uuid[xx])
3338 {
3339 is_base_uuid = FALSE;
3340 break;
3341 }
3342 }
3343 if (is_base_uuid)
3344 {
3345 if ((p_uuid[LEN_UUID_128 - 1] == 0) && (p_uuid[LEN_UUID_128 - 2] == 0))
3346 {
3347 p_uuid += (LEN_UUID_128 - 4);
3348 STREAM_TO_UINT16(uuid16, p_uuid);
3349 }
3350 }
3351 break;
3352 default:
3353 BTM_TRACE_WARNING0("btm_convert_uuid_to_uuid16 invalid uuid size");
3354 break;
3355 }
3356
3357 return( uuid16);
3358 }
3359
3360 /*******************************************************************************
3361 **
3362 ** Function btm_set_eir_uuid
3363 **
3364 ** Description This function is called to store received UUID into inquiry result.
3365 **
3366 ** Parameters p_eir - pointer of EIR significant part
3367 ** p_results - pointer of inquiry result
3368 **
3369 ** Returns None
3370 **
3371 *******************************************************************************/
btm_set_eir_uuid(UINT8 * p_eir,tBTM_INQ_RESULTS * p_results)3372 void btm_set_eir_uuid( UINT8 *p_eir, tBTM_INQ_RESULTS *p_results )
3373 {
3374 UINT8 *p_uuid_data;
3375 UINT8 num_uuid;
3376 UINT16 uuid16;
3377 UINT8 yy;
3378 UINT8 type = BTM_EIR_MORE_16BITS_UUID_TYPE;
3379
3380 p_uuid_data = btm_eir_get_uuid_list( p_eir, LEN_UUID_16, &num_uuid, &type );
3381
3382 if(type == BTM_EIR_COMPLETE_16BITS_UUID_TYPE)
3383 {
3384 p_results->eir_complete_list = TRUE;
3385 }
3386 else
3387 {
3388 p_results->eir_complete_list = FALSE;
3389 }
3390
3391 BTM_TRACE_API1("btm_set_eir_uuid eir_complete_list=0x%02X", p_results->eir_complete_list);
3392
3393 if( p_uuid_data )
3394 {
3395 for( yy = 0; yy < num_uuid; yy++ )
3396 {
3397 STREAM_TO_UINT16(uuid16, p_uuid_data);
3398 BTM_AddEirService( p_results->eir_uuid, uuid16 );
3399 }
3400 }
3401
3402 p_uuid_data = btm_eir_get_uuid_list( p_eir, LEN_UUID_32, &num_uuid, &type );
3403 if( p_uuid_data )
3404 {
3405 for( yy = 0; yy < num_uuid; yy++ )
3406 {
3407 uuid16 = btm_convert_uuid_to_uuid16( p_uuid_data, LEN_UUID_32 );
3408 p_uuid_data += LEN_UUID_32;
3409 if( uuid16 )
3410 BTM_AddEirService( p_results->eir_uuid, uuid16 );
3411 }
3412 }
3413
3414 p_uuid_data = btm_eir_get_uuid_list( p_eir, LEN_UUID_128, &num_uuid, &type );
3415 if( p_uuid_data )
3416 {
3417 for( yy = 0; yy < num_uuid; yy++ )
3418 {
3419 uuid16 = btm_convert_uuid_to_uuid16( p_uuid_data, LEN_UUID_128 );
3420 p_uuid_data += LEN_UUID_128;
3421 if( uuid16 )
3422 BTM_AddEirService( p_results->eir_uuid, uuid16 );
3423 }
3424 }
3425
3426 BTM_TRACE_DEBUG2("btm_set_eir_uuid eir_uuid=0x%08X %08X",
3427 p_results->eir_uuid[1], p_results->eir_uuid[0] );
3428 }
3429 #endif
3430
3431