The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 186 | BTM_TRACE_API ("BTM_SetDiscoverability"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 187 | #if (BLE_INCLUDED == TRUE && BLE_INCLUDED == TRUE) |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 188 | if (HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 189 | { |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 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 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 215 | BTM_TRACE_API ("BTM_SetDiscoverability: mode %d [NonDisc-0, Lim-1, Gen-2], window 0x%04x, interval 0x%04x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 311 | tBTM_STATUS BTM_SetInquiryScanType (UINT16 scan_type) |
| 312 | { |
| 313 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 314 | BTM_TRACE_API ("BTM_SetInquiryScanType"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 */ |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 319 | if (!HCI_LMP_INTERLACED_INQ_SCAN_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 349 | tBTM_STATUS BTM_SetPageScanType (UINT16 scan_type) |
| 350 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 351 | BTM_TRACE_API ("BTM_SetPageScanType"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 */ |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 356 | if (!HCI_LMP_INTERLACED_PAGE_SCAN_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 390 | tBTM_STATUS BTM_SetInquiryMode (UINT8 mode) |
| 391 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 392 | BTM_TRACE_API ("BTM_SetInquiryMode"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 393 | if (mode == BTM_INQ_RESULT_STANDARD) |
| 394 | { |
| 395 | /* mandatory mode */ |
| 396 | } |
| 397 | else if (mode == BTM_INQ_RESULT_WITH_RSSI) |
| 398 | { |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 399 | if (!HCI_LMP_INQ_RSSI_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | { |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 405 | if (!HCI_EXT_INQ_RSP_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 435 | UINT16 BTM_ReadDiscoverability (UINT16 *p_window, UINT16 *p_interval) |
| 436 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 437 | BTM_TRACE_API ("BTM_ReadDiscoverability"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 483 | BTM_TRACE_API ("BTM_SetPeriodicInquiryMode: mode: %d, dur: %d, rsps: %d, flt: %d, min: %d, max: %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 || |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 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*/ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 527 | BTM_TRACE_WARNING("BTM: Bypassing event filtering..."); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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; |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 576 | BTM_TRACE_API ("BTM_CancelPeriodicInquiry called"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 622 | BTM_TRACE_API ("BTM_SetConnectability"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 623 | |
| 624 | #if (BLE_INCLUDED == TRUE && BLE_INCLUDED == TRUE) |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 625 | if (HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 626 | { |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 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); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 633 | } |
| 634 | page_mode &= ~BTM_BLE_CONNECTABLE_MASK; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 652 | BTM_TRACE_API ("BTM_SetConnectability: mode %d [NonConn-0, Conn-1], window 0x%04x, interval 0x%04x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 709 | UINT16 BTM_ReadConnectability (UINT16 *p_window, UINT16 *p_interval) |
| 710 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 711 | BTM_TRACE_API ("BTM_ReadConnectability"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 735 | UINT16 BTM_IsInquiryActive (void) |
| 736 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 737 | BTM_TRACE_API ("BTM_IsInquiryActive"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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; |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 759 | #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) |
| 760 | UINT8 active_mode=p_inq->inq_active; |
| 761 | #endif |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 762 | BTM_TRACE_API ("BTM_CancelInquiry called"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 */ |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 769 | if ((p_inq->inq_active &BTM_INQUIRY_ACTIVE_MASK) != 0 && |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | { |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 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 | ) |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 792 | { |
| 793 | if (!btsnd_hcic_inq_cancel()) |
| 794 | status = BTM_NO_RESOURCES; |
| 795 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 796 | #if BLE_INCLUDED == TRUE |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 797 | if (((p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) != 0) |
| 798 | #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 799 | &&(active_mode & BTM_BLE_INQ_ACTIVE_MASK) |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 800 | #endif |
| 801 | ) |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 802 | btm_ble_stop_inquiry(); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | |
Zhihai Xu | f96da0e | 2014-02-21 18:20:37 -0800 | [diff] [blame] | 813 | p_inq->inq_counter++; |
| 814 | btm_clr_inq_result_flt(); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 828 | ** mode - GENERAL or LIMITED inquiry, BR/LE bit mask seperately |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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 | { |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 853 | tBTM_STATUS status = BTM_CMD_STARTED; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 854 | tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; |
| 855 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 856 | BTM_TRACE_API ("BTM_StartInquiry: mode: %d, dur: %d, rsps: %d, flt: %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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) |
Zhihai Xu | f96da0e | 2014-02-21 18:20:37 -0800 | [diff] [blame] | 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 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 868 | BTM_TRACE_API("BTM_StartInquiry: LE observe in progress"); |
Zhihai Xu | f96da0e | 2014-02-21 18:20:37 -0800 | [diff] [blame] | 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; |
Zhihai Xu | f96da0e | 2014-02-21 18:20:37 -0800 | [diff] [blame] | 872 | btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE); |
| 873 | } |
| 874 | else |
| 875 | #endif |
| 876 | { |
| 877 | return (BTM_BUSY); |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 878 | BTM_TRACE_API("BTM_StartInquiry: return BUSY"); |
Zhihai Xu | f96da0e | 2014-02-21 18:20:37 -0800 | [diff] [blame] | 879 | } |
| 880 | } |
| 881 | else |
| 882 | p_inq->scan_type = INQ_GENERAL; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 883 | |
| 884 | /*** Make sure the device is ready ***/ |
| 885 | if (!BTM_IsDeviceUp()) |
| 886 | return (BTM_WRONG_MODE); |
| 887 | |
| 888 | if ((p_inqparms->mode & BTM_BR_INQUIRY_MASK)!= BTM_GENERAL_INQUIRY && |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 889 | (p_inqparms->mode & BTM_BR_INQUIRY_MASK)!= BTM_LIMITED_INQUIRY |
| 890 | #if (BLE_INCLUDED == TRUE) |
| 891 | && (p_inqparms->mode & BTM_BLE_INQUIRY_MASK)!= BTM_BLE_GENERAL_INQUIRY |
| 892 | && (p_inqparms->mode & BTM_BLE_INQUIRY_MASK)!= BTM_BLE_LIMITED_INQUIRY |
| 893 | #endif |
| 894 | ) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 895 | return (BTM_ILLEGAL_VALUE); |
| 896 | |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 897 | #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) |
| 898 | if(p_inq->next_state==BTM_FINISH) |
| 899 | return BTM_ILLEGAL_VALUE; |
| 900 | #endif |
| 901 | |
| 902 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 903 | /* Save the inquiry parameters to be used upon the completion of setting/clearing the inquiry filter */ |
| 904 | p_inq->inqparms = *p_inqparms; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 905 | |
| 906 | /* Initialize the inquiry variables */ |
| 907 | p_inq->state = BTM_INQ_ACTIVE_STATE; |
| 908 | p_inq->p_inq_cmpl_cb = p_cmpl_cb; |
| 909 | p_inq->p_inq_results_cb = p_results_cb; |
| 910 | p_inq->inq_cmpl_info.num_resp = 0; /* Clear the results counter */ |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 911 | p_inq->inq_active = p_inqparms->mode; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 912 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 913 | BTM_TRACE_DEBUG("BTM_StartInquiry: p_inq->inq_active = 0x%02x", p_inq->inq_active); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 914 | |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 915 | /* interleave scan minimal conditions */ |
| 916 | #if (BLE_INCLUDED==TRUE && (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)) |
| 917 | |
| 918 | /* check if both modes are present */ |
| 919 | if((p_inqparms->mode & BTM_BLE_INQUIRY_MASK) && (p_inqparms->mode & BTM_BR_INQUIRY_MASK)) |
| 920 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 921 | BTM_TRACE_API("BTM:Interleave Inquiry Mode Set"); |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 922 | p_inqparms->duration=p_inqparms->intl_duration[p_inq->next_state]; |
| 923 | p_inq->inqparms.duration=p_inqparms->duration; |
| 924 | } |
| 925 | else |
| 926 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 927 | BTM_TRACE_API("BTM:Single Mode: No interleaving, Mode:0x%02x", p_inqparms->mode); |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 928 | p_inq->next_state=BTM_NO_INTERLEAVING; |
| 929 | } |
| 930 | #endif |
| 931 | |
| 932 | |
| 933 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 934 | /* start LE inquiry here if requested */ |
| 935 | #if BLE_INCLUDED == TRUE |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 936 | if ((p_inqparms->mode & BTM_BLE_INQUIRY_MASK) |
| 937 | #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) |
| 938 | &&(p_inq->next_state==BTM_BLE_ONE || p_inq->next_state==BTM_BLE_TWO || |
| 939 | p_inq->next_state==BTM_NO_INTERLEAVING) |
| 940 | #endif |
| 941 | ) |
| 942 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 943 | { |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 944 | #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) |
| 945 | p_inq->inq_active = (p_inqparms->mode & BTM_BLE_INQUIRY_MASK); |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 946 | BTM_TRACE_API("BTM:Starting LE Scan with duration %d and activeMode:0x%02x", |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 947 | p_inqparms->duration, (p_inqparms->mode & BTM_BLE_INQUIRY_MASK)); |
| 948 | #endif |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 949 | if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1])) |
| 950 | { |
| 951 | p_inq->inqparms.mode &= ~ BTM_BLE_INQUIRY_MASK; |
| 952 | status = BTM_ILLEGAL_VALUE; |
| 953 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 954 | /* BLE for now does not support filter condition for inquiry */ |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 955 | else if ((status = btm_ble_start_inquiry((UINT8)(p_inqparms->mode & BTM_BLE_INQUIRY_MASK), |
| 956 | p_inqparms->duration)) != BTM_CMD_STARTED) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 957 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 958 | BTM_TRACE_ERROR("Err Starting LE Inquiry."); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 959 | p_inq->inqparms.mode &= ~ BTM_BLE_INQUIRY_MASK; |
| 960 | } |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 961 | #if (!defined(BTA_HOST_INTERLEAVE_SEARCH) || BTA_HOST_INTERLEAVE_SEARCH == FALSE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 962 | p_inqparms->mode &= ~BTM_BLE_INQUIRY_MASK; |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 963 | #endif |
| 964 | |
| 965 | #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) |
| 966 | if(p_inq->next_state==BTM_NO_INTERLEAVING) |
| 967 | { |
| 968 | p_inq->next_state=BTM_FINISH; |
| 969 | } |
| 970 | else |
| 971 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 972 | BTM_TRACE_API("BTM:Interleaving: started LE scan, Advancing to next state: %d", |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 973 | p_inq->next_state+1); |
| 974 | p_inq->next_state+=1; |
| 975 | } |
| 976 | /* reset next_state if status <> BTM_Started */ |
| 977 | if(status!=BTM_CMD_STARTED) |
| 978 | p_inq->next_state=BTM_BR_ONE; |
| 979 | |
| 980 | /* if interleave scan..return here */ |
| 981 | return status; |
| 982 | #endif |
| 983 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 984 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 985 | BTM_TRACE_DEBUG("BTM_StartInquiry: mode = %02x", p_inqparms->mode); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 986 | } |
| 987 | #endif /* end of BLE_INCLUDED */ |
| 988 | |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 989 | /* we're done with this routine if BR/EDR inquiry is not desired. */ |
| 990 | if ((p_inqparms->mode & BTM_BR_INQUIRY_MASK) == BTM_INQUIRY_NONE) |
| 991 | return status; |
| 992 | |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 993 | /* BR/EDR inquiry portion */ |
| 994 | #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) |
| 995 | if((p_inq->next_state==BTM_BR_ONE || p_inq->next_state==BTM_BR_TWO || |
| 996 | p_inq->next_state==BTM_NO_INTERLEAVING )) |
| 997 | { |
| 998 | p_inq->inq_active = (p_inqparms->mode & BTM_BR_INQUIRY_MASK); |
| 999 | #endif |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1000 | #if (defined(BTM_BYPASS_EVENT_FILTERING) && BTM_BYPASS_EVENT_FILTERING == TRUE) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1001 | BTM_TRACE_WARNING("BTM: Bypassing event filtering..."); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1002 | p_inq->inqfilt_active = FALSE; |
| 1003 | btm_initiate_inquiry (p_inq); |
| 1004 | status = BTM_CMD_STARTED; |
| 1005 | #else |
| 1006 | /* If a filter is specified, then save it for later and clear the current filter. |
| 1007 | The setting of the filter is done upon completion of clearing of the previous |
| 1008 | filter. |
| 1009 | */ |
| 1010 | switch (p_inqparms->filter_cond_type) |
| 1011 | { |
| 1012 | case BTM_CLR_INQUIRY_FILTER: |
| 1013 | p_inq->state = BTM_INQ_SET_FILT_STATE; |
| 1014 | break; |
| 1015 | |
| 1016 | case BTM_FILTER_COND_DEVICE_CLASS: |
| 1017 | case BTM_FILTER_COND_BD_ADDR: |
| 1018 | /* The filter is not being used so simply clear it; |
| 1019 | the inquiry can start after this operation */ |
| 1020 | p_inq->state = BTM_INQ_CLR_FILT_STATE; |
| 1021 | p_inqparms->filter_cond_type = BTM_CLR_INQUIRY_FILTER; |
| 1022 | /* =============>>>> adding LE filtering here ????? */ |
| 1023 | break; |
| 1024 | |
| 1025 | default: |
| 1026 | return (BTM_ILLEGAL_VALUE); |
| 1027 | } |
| 1028 | |
| 1029 | /* Before beginning the inquiry the current filter must be cleared, so initiate the command */ |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 1030 | if ((status = btm_set_inq_event_filter (p_inqparms->filter_cond_type, |
| 1031 | &p_inqparms->filter_cond)) != BTM_CMD_STARTED) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1032 | p_inq->state = BTM_INQ_INACTIVE_STATE; |
| 1033 | #endif |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 1034 | |
| 1035 | #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) |
| 1036 | if (p_inq->next_state==BTM_NO_INTERLEAVING) |
| 1037 | p_inq->next_state=BTM_FINISH; |
| 1038 | else |
| 1039 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1040 | BTM_TRACE_API("BTM:Interleaving: Started BTM inq, Advancing to next state: %d", |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 1041 | p_inq->next_state+1); |
| 1042 | p_inq->next_state+=1; |
| 1043 | } |
| 1044 | } |
| 1045 | if (status!=BTM_CMD_STARTED) |
| 1046 | { |
| 1047 | /* Some error beginning the scan process. |
| 1048 | Reset the next_state parameter.. Do we need to reset the inq_active also? |
| 1049 | */ |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1050 | BTM_TRACE_API("BTM:Interleaving: Error in Starting inquiry, status: 0x%02x", status); |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 1051 | p_inq->next_state=BTM_BR_ONE; |
| 1052 | } |
| 1053 | #endif |
| 1054 | |
| 1055 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1056 | return (status); |
| 1057 | } |
| 1058 | |
| 1059 | |
| 1060 | /******************************************************************************* |
| 1061 | ** |
| 1062 | ** Function BTM_ReadRemoteDeviceName |
| 1063 | ** |
| 1064 | ** Description This function initiates a remote device HCI command to the |
| 1065 | ** controller and calls the callback when the process has completed. |
| 1066 | ** |
| 1067 | ** Input Params: remote_bda - device address of name to retrieve |
| 1068 | ** p_cb - callback function called when BTM_CMD_STARTED |
| 1069 | ** is returned. |
| 1070 | ** A pointer to tBTM_REMOTE_DEV_NAME is passed to the |
| 1071 | ** callback. |
| 1072 | ** |
| 1073 | ** Returns |
| 1074 | ** BTM_CMD_STARTED is returned if the request was successfully sent |
| 1075 | ** to HCI. |
| 1076 | ** BTM_BUSY if already in progress |
| 1077 | ** BTM_UNKNOWN_ADDR if device address is bad |
| 1078 | ** BTM_NO_RESOURCES if could not allocate resources to start the command |
| 1079 | ** BTM_WRONG_MODE if the device is not up. |
| 1080 | ** |
| 1081 | *******************************************************************************/ |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1082 | tBTM_STATUS BTM_ReadRemoteDeviceName (BD_ADDR remote_bda, tBTM_CMPL_CB *p_cb |
| 1083 | ,tBT_TRANSPORT transport) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1084 | { |
| 1085 | tBTM_INQ_INFO *p_cur = NULL; |
| 1086 | tINQ_DB_ENT *p_i; |
| 1087 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1088 | BTM_TRACE_API ("BTM_ReadRemoteDeviceName: bd addr [%02x%02x%02x%02x%02x%02x]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | } |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1101 | BTM_TRACE_API ("no device found in inquiry db"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1102 | |
| 1103 | #if (BLE_INCLUDED == TRUE) |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 1104 | if (transport == BT_TRANSPORT_LE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 1131 | tBTM_STATUS BTM_CancelRemoteDeviceName (void) |
| 1132 | { |
| 1133 | tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; |
| 1134 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1135 | BTM_TRACE_API ("BTM_CancelRemoteDeviceName()"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1136 | |
| 1137 | /* Make sure there is not already one in progress */ |
| 1138 | if (p_inq->remname_active) |
| 1139 | { |
| 1140 | #if BLE_INCLUDED == TRUE |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 1141 | if (BTM_UseLeLink(p_inq->remname_bda)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1240 | BTM_TRACE_API ("BTM_InqDbRead: bd addr [%02x%02x%02x%02x%02x%02x]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1586 | BTM_TRACE_DEBUG ("btm_inq_stop_on_ssp: no_inc_ssp=%d inq_active:0x%x state:%d inqfilt_active:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1642 | BTM_TRACE_DEBUG ("btm_clr_inq_db: inq_active:0x%x state:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1664 | BTM_TRACE_DEBUG ("inq_active:0x%x state:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1850 | BTM_TRACE_DEBUG ("btm_set_inq_event_filter: filter type %d [Clear-0, COD-1, BDADDR-2]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1851 | filter_cond_type); |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1852 | BTM_TRACE_DEBUG (" condition [%02x%02x%02x %02x%02x%02x]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1914 | BTM_TRACE_DEBUG ("btm_event_filter_complete: inq_active:0x%x state:%d inqfilt_active:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 */ |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 1933 | BTM_TRACE_WARNING ("BTM Warning: Set Event Filter Failed (HCI returned 0x%x)", hci_status); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2013 | BTM_TRACE_DEBUG ("btm_initiate_inquiry: inq_active:0x%x state:%d inqfilt_active:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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); |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2049 | /* BTM_TRACE_DEBUG("btm_initiate_inquiry: memory allocated for %d bdaddrs", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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; |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2081 | tBTM_INQ_RESULTS *p_cur=NULL; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2101 | BTM_TRACE_DEBUG ("btm_process_inq_results inq_active:0x%x state:%d inqfilt_active:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2102 | btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active); |
| 2103 | #endif |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2104 | /* Only process the results if the BR inquiry is still active */ |
| 2105 | if (!(p_inq->inq_active & BTM_BR_INQ_ACTIVE_MASK)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2150 | /* BTM_TRACE_WARNING("INQ RES: Extra Response Received...ignoring"); */ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2158 | /* BTM_TRACE_DEBUG("BDA seen before [%02x%02x %02x%02x %02x%02x]", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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; |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2173 | BTM_TRACE_DEBUG("update RSSI new:%d, old:%d", i_rssi, p_cur->rssi); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2264 | /* BTM_TRACE_DEBUG("BTMINQ: Found devices, cancelling inquiry..."); */ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2265 | btsnd_hcic_inq_cancel(); |
| 2266 | |
| 2267 | #if BLE_INCLUDED == TRUE |
| 2268 | if ((p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK) != 0) |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 2269 | btm_ble_stop_inquiry(); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | *******************************************************************************/ |
| 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 | *******************************************************************************/ |
| 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 |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 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); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2417 | |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 2418 | } |
| 2419 | #endif |
| 2420 | |
| 2421 | #if (!defined(BTA_HOST_INTERLEAVE_SEARCH) || BTA_HOST_INTERLEAVE_SEARCH == FALSE) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2422 | p_inq->inqparms.mode &= ~(mode); |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 2423 | #endif |
| 2424 | |
Zhihai Xu | f96da0e | 2014-02-21 18:20:37 -0800 | [diff] [blame] | 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 | } |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 2432 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2433 | |
| 2434 | #if (BTM_INQ_DEBUG == TRUE) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2435 | BTM_TRACE_DEBUG ("btm_process_inq_complete inq_active:0x%x state:%d inqfilt_active:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 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])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 */ |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2489 | BTM_TRACE_DEBUG ("BTM Inq Compl Callback: status 0x%02x, num results %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | } |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 2495 | #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE) |
Ganesh Ganapathi Batta | 8fe5887 | 2014-04-16 16:50:09 -0700 | [diff] [blame] | 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 | } |
Matthew Xie | 7f3e429 | 2013-09-30 12:44:10 -0700 | [diff] [blame] | 2503 | #endif |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2504 | } |
Zhihai Xu | f96da0e | 2014-02-21 18:20:37 -0800 | [diff] [blame] | 2505 | if(p_inq->inqparms.mode == 0 && p_inq->scan_type == INQ_GENERAL)//this inquiry is complete |
| 2506 | { |
| 2507 | p_inq->scan_type = INQ_NONE; |
| 2508 | #if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE) |
| 2509 | /* check if the LE observe is pending */ |
| 2510 | if(p_inq->p_inq_ble_results_cb != NULL) |
| 2511 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2512 | BTM_TRACE_DEBUG("BTM Inq Compl: resuming a pending LE scan"); |
Zhihai Xu | f96da0e | 2014-02-21 18:20:37 -0800 | [diff] [blame] | 2513 | BTM_BleObserve(1,0, p_inq->p_inq_ble_results_cb, p_inq->p_inq_ble_cmpl_cb); |
| 2514 | } |
| 2515 | #endif |
| 2516 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2517 | #if (BTM_INQ_DEBUG == TRUE) |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2518 | BTM_TRACE_DEBUG ("inq_active:0x%x state:%d inqfilt_active:%d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2519 | btm_cb.btm_inq_vars.inq_active, btm_cb.btm_inq_vars.state, btm_cb.btm_inq_vars.inqfilt_active); |
| 2520 | #endif |
| 2521 | } |
| 2522 | |
| 2523 | /******************************************************************************* |
| 2524 | ** |
| 2525 | ** Function btm_process_cancel_complete |
| 2526 | ** |
| 2527 | ** Description This function is called when inquiry cancel complete is received |
| 2528 | ** from the device.This function will also call the btm_process_inq_complete |
| 2529 | ** This function is needed to differentiate a cancel_cmpl_evt from the |
| 2530 | ** inq_cmpl_evt |
| 2531 | ** |
| 2532 | ** Returns void |
| 2533 | ** |
| 2534 | *******************************************************************************/ |
| 2535 | void btm_process_cancel_complete(UINT8 status, UINT8 mode) |
| 2536 | { |
| 2537 | #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE) |
| 2538 | btm_acl_update_busy_level (BTM_BLI_INQ_CANCEL_EVT); |
| 2539 | #endif |
| 2540 | btm_process_inq_complete(status, mode); |
| 2541 | } |
| 2542 | /******************************************************************************* |
| 2543 | ** |
| 2544 | ** Function btm_initiate_rem_name |
| 2545 | ** |
| 2546 | ** Description This function looks initiates a remote name request. It is called |
| 2547 | ** either by GAP or by the API call BTM_ReadRemoteDeviceName. |
| 2548 | ** |
| 2549 | ** Input Params: p_cur - pointer to an inquiry result structure (NULL if nonexistent) |
| 2550 | ** p_cb - callback function called when BTM_CMD_STARTED |
| 2551 | ** is returned. |
| 2552 | ** A pointer to tBTM_REMOTE_DEV_NAME is passed to the |
| 2553 | ** callback. |
| 2554 | ** |
| 2555 | ** Returns |
| 2556 | ** BTM_CMD_STARTED is returned if the request was sent to HCI. |
| 2557 | ** BTM_BUSY if already in progress |
| 2558 | ** BTM_NO_RESOURCES if could not allocate resources to start the command |
| 2559 | ** BTM_WRONG_MODE if the device is not up. |
| 2560 | ** |
| 2561 | *******************************************************************************/ |
| 2562 | tBTM_STATUS btm_initiate_rem_name (BD_ADDR remote_bda, tBTM_INQ_INFO *p_cur, |
| 2563 | UINT8 origin, UINT32 timeout, tBTM_CMPL_CB *p_cb) |
| 2564 | { |
| 2565 | tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; |
| 2566 | BOOLEAN cmd_ok; |
| 2567 | |
| 2568 | |
| 2569 | /*** Make sure the device is ready ***/ |
| 2570 | if (!BTM_IsDeviceUp()) |
| 2571 | return (BTM_WRONG_MODE); |
| 2572 | |
| 2573 | |
| 2574 | if (origin == BTM_RMT_NAME_SEC) |
| 2575 | { |
| 2576 | cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, HCI_PAGE_SCAN_REP_MODE_R1, |
| 2577 | HCI_MANDATARY_PAGE_SCAN_MODE, 0); |
| 2578 | if (cmd_ok) |
| 2579 | return BTM_CMD_STARTED; |
| 2580 | else |
| 2581 | return BTM_NO_RESOURCES; |
| 2582 | } |
| 2583 | /* Make sure there are no two remote name requests from external API in progress */ |
| 2584 | else if (origin == BTM_RMT_NAME_EXT) |
| 2585 | { |
| 2586 | if (p_inq->remname_active) |
| 2587 | { |
| 2588 | return (BTM_BUSY); |
| 2589 | } |
| 2590 | else |
| 2591 | { |
| 2592 | /* If there is no remote name request running,call the callback function and start timer */ |
| 2593 | p_inq->p_remname_cmpl_cb = p_cb; |
| 2594 | memcpy(p_inq->remname_bda, remote_bda, BD_ADDR_LEN); |
| 2595 | btu_start_timer (&p_inq->rmt_name_timer_ent, |
| 2596 | BTU_TTYPE_BTM_RMT_NAME, |
| 2597 | timeout); |
| 2598 | |
| 2599 | /* If the database entry exists for the device, use its clock offset */ |
| 2600 | if (p_cur) |
| 2601 | { |
| 2602 | cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, |
| 2603 | p_cur->results.page_scan_rep_mode, |
| 2604 | p_cur->results.page_scan_mode, |
| 2605 | (UINT16)(p_cur->results.clock_offset | |
| 2606 | BTM_CLOCK_OFFSET_VALID)); |
| 2607 | } |
| 2608 | else /* Otherwise use defaults and mark the clock offset as invalid */ |
| 2609 | { |
| 2610 | cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, HCI_PAGE_SCAN_REP_MODE_R1, |
| 2611 | HCI_MANDATARY_PAGE_SCAN_MODE, 0); |
| 2612 | } |
| 2613 | if (cmd_ok) |
| 2614 | { |
| 2615 | p_inq->remname_active = TRUE; |
| 2616 | return BTM_CMD_STARTED; |
| 2617 | } |
| 2618 | else |
| 2619 | return BTM_NO_RESOURCES; |
| 2620 | } |
| 2621 | } |
| 2622 | /* If the inquire feature is on */ |
| 2623 | #if (BTM_INQ_GET_REMOTE_NAME==TRUE) |
| 2624 | |
| 2625 | else if (origin == BTM_RMT_NAME_INQ) |
| 2626 | { |
| 2627 | /* If the database entry exists for the device, use its clock offset */ |
| 2628 | if (p_cur) |
| 2629 | { |
| 2630 | cmd_ok = btsnd_hcic_rmt_name_req (remote_bda, |
| 2631 | p_cur->results.page_scan_rep_mode, |
| 2632 | p_cur->results.page_scan_mode, |
| 2633 | (UINT16)(p_cur->results.clock_offset | |
| 2634 | BTM_CLOCK_OFFSET_VALID)); |
| 2635 | } |
| 2636 | else |
| 2637 | { |
| 2638 | cmd_ok = FALSE |
| 2639 | } |
| 2640 | |
| 2641 | if (cmd_ok) |
| 2642 | return BTM_CMD_STARTED; |
| 2643 | else |
| 2644 | return BTM_NO_RESOURCES; |
| 2645 | } |
| 2646 | #endif |
| 2647 | else |
| 2648 | { |
| 2649 | |
| 2650 | return BTM_ILLEGAL_VALUE; |
| 2651 | |
| 2652 | |
| 2653 | } |
| 2654 | |
| 2655 | |
| 2656 | } |
| 2657 | |
| 2658 | /******************************************************************************* |
| 2659 | ** |
| 2660 | ** Function btm_process_remote_name |
| 2661 | ** |
| 2662 | ** Description This function is called when a remote name is received from |
| 2663 | ** the device. If remote names are cached, it updates the inquiry |
| 2664 | ** database. |
| 2665 | ** |
| 2666 | ** Returns void |
| 2667 | ** |
| 2668 | *******************************************************************************/ |
| 2669 | void btm_process_remote_name (BD_ADDR bda, BD_NAME bdn, UINT16 evt_len, UINT8 hci_status) |
| 2670 | { |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2671 | tBTM_REMOTE_DEV_NAME rem_name; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2672 | tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; |
| 2673 | tBTM_CMPL_CB *p_cb = p_inq->p_remname_cmpl_cb; |
| 2674 | UINT8 *p_n1; |
| 2675 | |
| 2676 | UINT16 temp_evt_len; |
| 2677 | |
| 2678 | #if (BTM_INQ_GET_REMOTE_NAME==TRUE) |
| 2679 | /*** These are only used if part of the Inquiry Process ***/ |
| 2680 | tBTM_CMPL_CB *p_inq_cb; |
| 2681 | tINQ_DB_ENT *p_i = NULL; |
| 2682 | UINT8 *p_n; |
| 2683 | tBTM_INQ_INFO *p_cur; |
| 2684 | #endif |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2685 | |
| 2686 | if (bda != NULL) |
| 2687 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2688 | BTM_TRACE_EVENT("BDA %02x:%02x:%02x:%02x:%02x:%02x",bda[0], bda[1], |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2689 | bda[2], bda[3], |
| 2690 | bda[4], bda[5]); |
| 2691 | } |
| 2692 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2693 | BTM_TRACE_EVENT("Inquire BDA %02x:%02x:%02x:%02x:%02x:%02x",p_inq->remname_bda[0], p_inq->remname_bda[1], |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2694 | p_inq->remname_bda[2], p_inq->remname_bda[3], |
| 2695 | p_inq->remname_bda[4], p_inq->remname_bda[5]); |
| 2696 | |
| 2697 | |
| 2698 | |
| 2699 | /* If the inquire BDA and remote DBA are the same, then stop the timer and set the active to false */ |
| 2700 | if ((p_inq->remname_active ==TRUE)&& |
| 2701 | (((bda != NULL) && |
| 2702 | (memcmp(bda, p_inq->remname_bda,BD_ADDR_LEN)==0)) || bda == NULL)) |
| 2703 | |
| 2704 | { |
| 2705 | #if BLE_INCLUDED == TRUE |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 2706 | if (BTM_UseLeLink(p_inq->remname_bda)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2707 | { |
| 2708 | if (hci_status == HCI_ERR_UNSPECIFIED) |
| 2709 | btm_ble_cancel_remote_name(p_inq->remname_bda); |
| 2710 | } |
| 2711 | #endif |
| 2712 | btu_stop_timer (&p_inq->rmt_name_timer_ent); |
| 2713 | p_inq->remname_active = FALSE; |
| 2714 | /* Clean up and return the status if the command was not successful */ |
| 2715 | /* Note: If part of the inquiry, the name is not stored, and the */ |
| 2716 | /* inquiry complete callback is called. */ |
| 2717 | |
| 2718 | if ((hci_status == HCI_SUCCESS)) |
| 2719 | { |
| 2720 | /* Copy the name from the data stream into the return structure */ |
| 2721 | /* Note that even if it is not being returned, it is used as a */ |
| 2722 | /* temporary buffer. */ |
| 2723 | p_n1 = (UINT8 *)rem_name.remote_bd_name; |
| 2724 | rem_name.length = (evt_len < BD_NAME_LEN) ? evt_len : BD_NAME_LEN; |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2725 | rem_name.remote_bd_name[rem_name.length] = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2726 | rem_name.status = BTM_SUCCESS; |
| 2727 | temp_evt_len = rem_name.length; |
| 2728 | |
| 2729 | while (temp_evt_len > 0) |
| 2730 | { |
| 2731 | *p_n1++ = *bdn++; |
| 2732 | temp_evt_len--; |
| 2733 | } |
Ganesh Ganapathi Batta | ead3cde | 2013-02-05 15:22:31 -0800 | [diff] [blame] | 2734 | rem_name.remote_bd_name[rem_name.length] = 0; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2735 | } |
| 2736 | |
| 2737 | |
| 2738 | /* If processing a stand alone remote name then report the error in the callback */ |
| 2739 | else |
| 2740 | { |
| 2741 | rem_name.status = BTM_BAD_VALUE_RET; |
| 2742 | rem_name.length = 0; |
| 2743 | rem_name.remote_bd_name[0] = 0; |
| 2744 | } |
| 2745 | /* Reset the remote BAD to zero and call callback if possible */ |
| 2746 | memset(p_inq->remname_bda, 0, BD_ADDR_LEN); |
| 2747 | |
| 2748 | p_inq->p_remname_cmpl_cb = NULL; |
| 2749 | if (p_cb) |
| 2750 | (p_cb)((tBTM_REMOTE_DEV_NAME *)&rem_name); |
| 2751 | } |
| 2752 | |
| 2753 | |
| 2754 | #if (BTM_INQ_GET_REMOTE_NAME==TRUE) |
| 2755 | /* If existing entry, update the name */ |
| 2756 | if ((bda != NULL) && ((p_i = btm_inq_db_find (bda)) != NULL) |
| 2757 | && (hci_status == HCI_SUCCESS)) |
| 2758 | { |
| 2759 | p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_DONE; |
| 2760 | p_n = p_i->inq_info.remote_name; |
| 2761 | memset(p_n, 0, BTM_MAX_REM_BD_NAME_LEN + 1); |
| 2762 | p_i->inq_info.remote_name_len = (rem_name.length < BTM_MAX_REM_BD_NAME_LEN) ? |
| 2763 | rem_name.length : BTM_MAX_REM_BD_NAME_LEN; |
| 2764 | evt_len = p_i->inq_info.remote_name_len; |
| 2765 | p_n1 = (UINT8 *)rem_name.remote_bd_name; |
| 2766 | while (evt_len > 0) |
| 2767 | { |
| 2768 | *p_n++ = *p_n1++; |
| 2769 | evt_len--; |
| 2770 | } |
| 2771 | |
| 2772 | if (btm_cb.btm_inq_vars.p_inq_change_cb) |
| 2773 | (*btm_cb.btm_inq_vars.p_inq_change_cb) (&p_i->inq_info, TRUE); |
| 2774 | } |
| 2775 | else |
| 2776 | { |
| 2777 | if (p_i) |
| 2778 | p_i->inq_info.remote_name_state = BTM_INQ_RMT_NAME_FAILED; |
| 2779 | else |
| 2780 | { |
| 2781 | /* Find the entry which is currently doing name request */ |
| 2782 | for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur)) |
| 2783 | { |
| 2784 | if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_PENDING) |
| 2785 | { |
| 2786 | /* Should be only one */ |
| 2787 | p_cur->remote_name_state = BTM_INQ_RMT_NAME_FAILED; |
| 2788 | break; |
| 2789 | } |
| 2790 | } |
| 2791 | } |
| 2792 | } |
| 2793 | |
| 2794 | /* If an inquiry is in progress then update other entries */ |
| 2795 | if (p_inq->inq_active) |
| 2796 | { |
| 2797 | /* Check if there are any more entries inquired but not named */ |
| 2798 | for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur)) |
| 2799 | { |
| 2800 | if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_EMPTY) |
| 2801 | { |
| 2802 | p_cur->remote_name_state = BTM_INQ_RMT_NAME_PENDING; |
| 2803 | #if (BLE_INCLUDED == TRUE) |
Andre Eisenbach | 6975b4d | 2013-08-05 16:55:38 -0700 | [diff] [blame] | 2804 | if (BTM_UseLeLink(remote_bda)) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2805 | { |
| 2806 | if (btm_ble_read_remote_name(remote_bda, p_cur, p_cb) != BTM_CMD_STARTED) |
| 2807 | p_cur->remote_name_state = BTM_INQ_RMT_NAME_FAILED; |
| 2808 | else |
| 2809 | return; |
| 2810 | } |
| 2811 | else |
| 2812 | #endif |
| 2813 | { |
| 2814 | if (btm_initiate_rem_name (p_cur->results.remote_bd_addr, |
| 2815 | p_cur, BTM_RMT_NAME_INQ, |
| 2816 | BTM_INQ_RMT_NAME_TIMEOUT, NULL) != BTM_CMD_STARTED) |
| 2817 | p_cur->remote_name_state = BTM_INQ_RMT_NAME_FAILED; |
| 2818 | else |
| 2819 | return; |
| 2820 | } |
| 2821 | } |
| 2822 | } |
| 2823 | |
| 2824 | /* The inquiry has finished so call the callback for the inquiry */ |
| 2825 | p_inq_cb = p_inq->p_inq_cmpl_cb; |
| 2826 | p_inq->state = BTM_INQ_INACTIVE_STATE; |
| 2827 | p_inq->inq_active = BTM_INQUIRY_INACTIVE; |
| 2828 | p_inq->p_inq_cmpl_cb = NULL; |
| 2829 | |
| 2830 | /* If we have a callback registered for inquiry complete, call it */ |
| 2831 | if (p_inq_cb) |
| 2832 | (p_inq_cb)((tBTM_INQUIRY_CMPL *) &p_inq->inq_cmpl_info); |
| 2833 | |
| 2834 | /* In some cases we can not get name of the device once but will be */ |
| 2835 | /* able to do it next time. Until we have better solution we will */ |
| 2836 | /* try to get name every time */ |
| 2837 | for (p_cur = BTM_InqDbFirst(); p_cur; p_cur = BTM_InqDbNext (p_cur)) |
| 2838 | { |
| 2839 | if (p_cur->remote_name_state == BTM_INQ_RMT_NAME_FAILED) |
| 2840 | p_cur->remote_name_state = BTM_INQ_RMT_NAME_EMPTY; |
| 2841 | } |
| 2842 | } |
| 2843 | #endif /* BTM_INQ_GET_REMOTE_NAME == TRUE */ |
| 2844 | } |
| 2845 | |
| 2846 | /******************************************************************************* |
| 2847 | ** |
| 2848 | ** Function btm_inq_rmt_name_failed |
| 2849 | ** |
| 2850 | ** Description This function is if timeout expires while getting remote |
| 2851 | ** name. This is done for devices that incorrectly do not |
| 2852 | ** report operation failure |
| 2853 | ** |
| 2854 | ** Returns void |
| 2855 | ** |
| 2856 | *******************************************************************************/ |
| 2857 | void btm_inq_rmt_name_failed (void) |
| 2858 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2859 | BTM_TRACE_ERROR ("btm_inq_rmt_name_failed() remname_active=%d", btm_cb.btm_inq_vars.remname_active); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2860 | |
| 2861 | if (btm_cb.btm_inq_vars.remname_active) |
| 2862 | btm_process_remote_name (btm_cb.btm_inq_vars.remname_bda, NULL, 0, HCI_ERR_UNSPECIFIED); |
| 2863 | else |
| 2864 | btm_process_remote_name (NULL, NULL, 0, HCI_ERR_UNSPECIFIED); |
| 2865 | |
| 2866 | btm_sec_rmt_name_request_complete (NULL, NULL, HCI_ERR_UNSPECIFIED); |
| 2867 | } |
| 2868 | /******************************************************************************* |
| 2869 | ** |
| 2870 | ** Function btm_read_linq_tx_power_complete |
| 2871 | ** |
| 2872 | ** Description read inquiry tx power level complete callback function. |
| 2873 | ** |
| 2874 | ** Returns void |
| 2875 | ** |
| 2876 | *******************************************************************************/ |
| 2877 | void btm_read_linq_tx_power_complete(UINT8 *p) |
| 2878 | { |
| 2879 | tBTM_CMPL_CB *p_cb = btm_cb.devcb.p_txpwer_cmpl_cb; |
| 2880 | tBTM_INQ_TXPWR_RESULTS results; |
| 2881 | |
| 2882 | btu_stop_timer (&btm_cb.devcb.txpwer_timer); |
| 2883 | /* If there was a callback registered for read inq tx power, call it */ |
| 2884 | btm_cb.devcb.p_txpwer_cmpl_cb = NULL; |
| 2885 | |
| 2886 | if (p_cb) |
| 2887 | { |
| 2888 | STREAM_TO_UINT8 (results.hci_status, p); |
| 2889 | |
| 2890 | if (results.hci_status == HCI_SUCCESS) |
| 2891 | { |
| 2892 | results.status = BTM_SUCCESS; |
| 2893 | |
| 2894 | STREAM_TO_UINT8 (results.tx_power, p); |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2895 | BTM_TRACE_EVENT ("BTM INQ TX POWER Complete: tx_power %d, hci status 0x%02x", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2896 | results.tx_power, results.hci_status); |
| 2897 | } |
| 2898 | else |
| 2899 | results.status = BTM_ERR_PROCESSING; |
| 2900 | |
| 2901 | (*p_cb)(&results); |
| 2902 | } |
| 2903 | |
| 2904 | } |
| 2905 | /******************************************************************************* |
| 2906 | ** |
| 2907 | ** Function BTM_WriteEIR |
| 2908 | ** |
| 2909 | ** Description This function is called to write EIR data to controller. |
| 2910 | ** |
| 2911 | ** Parameters p_buff - allocated HCI command buffer including extended |
| 2912 | ** inquriry response |
| 2913 | ** |
| 2914 | ** Returns BTM_SUCCESS - if successful |
| 2915 | ** BTM_MODE_UNSUPPORTED - if local device cannot support it |
| 2916 | ** |
| 2917 | *******************************************************************************/ |
| 2918 | tBTM_STATUS BTM_WriteEIR( BT_HDR *p_buff ) |
| 2919 | { |
| 2920 | #if (BTM_EIR_SERVER_INCLUDED == TRUE) |
Andre Eisenbach | 3aa6054 | 2013-03-22 18:00:51 -0700 | [diff] [blame] | 2921 | if (HCI_EXT_INQ_RSP_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2922 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2923 | BTM_TRACE_API("Write Extended Inquiry Response to controller"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2924 | btsnd_hcic_write_ext_inquiry_response (p_buff, BTM_EIR_DEFAULT_FEC_REQUIRED); |
| 2925 | return BTM_SUCCESS; |
| 2926 | } |
| 2927 | else |
| 2928 | { |
| 2929 | GKI_freebuf(p_buff); |
| 2930 | return BTM_MODE_UNSUPPORTED; |
| 2931 | } |
| 2932 | #else |
| 2933 | GKI_freebuf(p_buff); |
| 2934 | return BTM_SUCCESS; |
| 2935 | #endif |
| 2936 | } |
| 2937 | |
| 2938 | /******************************************************************************* |
| 2939 | ** |
| 2940 | ** Function BTM_CheckEirData |
| 2941 | ** |
| 2942 | ** Description This function is called to get EIR data from significant part. |
| 2943 | ** |
| 2944 | ** Parameters p_eir - pointer of EIR significant part |
| 2945 | ** type - finding EIR data type |
| 2946 | ** p_length - return the length of EIR data not including type |
| 2947 | ** |
| 2948 | ** Returns pointer of EIR data |
| 2949 | ** |
| 2950 | *******************************************************************************/ |
| 2951 | UINT8 *BTM_CheckEirData( UINT8 *p_eir, UINT8 type, UINT8 *p_length ) |
| 2952 | { |
| 2953 | #if (BTM_EIR_CLIENT_INCLUDED == TRUE) |
| 2954 | UINT8 *p = p_eir; |
| 2955 | UINT8 length; |
| 2956 | UINT8 eir_type; |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 2957 | BTM_TRACE_API("BTM_CheckEirData type=0x%02X", type); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 2958 | |
| 2959 | STREAM_TO_UINT8(length, p); |
| 2960 | while( length && (p - p_eir <= HCI_EXT_INQ_RESPONSE_LEN)) |
| 2961 | { |
| 2962 | STREAM_TO_UINT8(eir_type, p); |
| 2963 | if( eir_type == type ) |
| 2964 | { |
| 2965 | /* length doesn't include itself */ |
| 2966 | *p_length = length - 1; /* minus the length of type */ |
| 2967 | return p; |
| 2968 | } |
| 2969 | p += length - 1; /* skip the length of data */ |
| 2970 | STREAM_TO_UINT8(length, p); |
| 2971 | } |
| 2972 | |
| 2973 | *p_length = 0; |
| 2974 | return NULL; |
| 2975 | #else |
| 2976 | return NULL; |
| 2977 | #endif |
| 2978 | } |
| 2979 | |
| 2980 | /******************************************************************************* |
| 2981 | ** |
| 2982 | ** Function btm_convert_uuid_to_eir_service |
| 2983 | ** |
| 2984 | ** Description This function is called to get the bit position of UUID. |
| 2985 | ** |
| 2986 | ** Parameters uuid16 - UUID 16-bit |
| 2987 | ** |
| 2988 | ** Returns BTM EIR service ID if found |
| 2989 | ** BTM_EIR_MAX_SERVICES - if not found |
| 2990 | ** |
| 2991 | *******************************************************************************/ |
| 2992 | #if (( BTM_EIR_CLIENT_INCLUDED == TRUE )||( BTM_EIR_SERVER_INCLUDED == TRUE )) |
| 2993 | static UINT8 btm_convert_uuid_to_eir_service( UINT16 uuid16 ) |
| 2994 | { |
| 2995 | UINT8 xx; |
| 2996 | |
| 2997 | for( xx = 0; xx < BTM_EIR_MAX_SERVICES; xx++ ) |
| 2998 | { |
| 2999 | if( uuid16 == BTM_EIR_UUID_LKUP_TBL[xx]) |
| 3000 | { |
| 3001 | return xx; |
| 3002 | } |
| 3003 | } |
| 3004 | return BTM_EIR_MAX_SERVICES; |
| 3005 | } |
| 3006 | #endif |
| 3007 | |
| 3008 | /******************************************************************************* |
| 3009 | ** |
| 3010 | ** Function BTM_HasEirService |
| 3011 | ** |
| 3012 | ** Description This function is called to know if UUID in bit map of UUID. |
| 3013 | ** |
| 3014 | ** Parameters p_eir_uuid - bit map of UUID list |
| 3015 | ** uuid16 - UUID 16-bit |
| 3016 | ** |
| 3017 | ** Returns TRUE - if found |
| 3018 | ** FALSE - if not found |
| 3019 | ** |
| 3020 | *******************************************************************************/ |
| 3021 | BOOLEAN BTM_HasEirService( UINT32 *p_eir_uuid, UINT16 uuid16 ) |
| 3022 | { |
| 3023 | #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE)) |
| 3024 | UINT8 service_id; |
| 3025 | |
| 3026 | service_id = btm_convert_uuid_to_eir_service(uuid16); |
| 3027 | if( service_id < BTM_EIR_MAX_SERVICES ) |
| 3028 | return( BTM_EIR_HAS_SERVICE( p_eir_uuid, service_id )); |
| 3029 | else |
| 3030 | return( FALSE ); |
| 3031 | #else |
| 3032 | return( FALSE ); |
| 3033 | #endif |
| 3034 | } |
| 3035 | |
| 3036 | /******************************************************************************* |
| 3037 | ** |
| 3038 | ** Function BTM_HasInquiryEirService |
| 3039 | ** |
| 3040 | ** Description This function is called to know if UUID in bit map of UUID list. |
| 3041 | ** |
| 3042 | ** Parameters p_results - inquiry results |
| 3043 | ** uuid16 - UUID 16-bit |
| 3044 | ** |
| 3045 | ** Returns BTM_EIR_FOUND - if found |
| 3046 | ** BTM_EIR_NOT_FOUND - if not found and it is complete list |
| 3047 | ** BTM_EIR_UNKNOWN - if not found and it is not complete list |
| 3048 | ** |
| 3049 | *******************************************************************************/ |
| 3050 | tBTM_EIR_SEARCH_RESULT BTM_HasInquiryEirService( tBTM_INQ_RESULTS *p_results, UINT16 uuid16 ) |
| 3051 | { |
| 3052 | #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE)) |
| 3053 | if( BTM_HasEirService( p_results->eir_uuid, uuid16 )) |
| 3054 | { |
| 3055 | return BTM_EIR_FOUND; |
| 3056 | } |
| 3057 | else if( p_results->eir_complete_list ) |
| 3058 | { |
| 3059 | return BTM_EIR_NOT_FOUND; |
| 3060 | } |
| 3061 | else |
| 3062 | return BTM_EIR_UNKNOWN; |
| 3063 | #else |
| 3064 | return BTM_EIR_UNKNOWN; |
| 3065 | #endif |
| 3066 | } |
| 3067 | |
| 3068 | /******************************************************************************* |
| 3069 | ** |
| 3070 | ** Function BTM_AddEirService |
| 3071 | ** |
| 3072 | ** Description This function is called to add a service in bit map of UUID list. |
| 3073 | ** |
| 3074 | ** Parameters p_eir_uuid - bit mask of UUID list for EIR |
| 3075 | ** uuid16 - UUID 16-bit |
| 3076 | ** |
| 3077 | ** Returns None |
| 3078 | ** |
| 3079 | *******************************************************************************/ |
| 3080 | void BTM_AddEirService( UINT32 *p_eir_uuid, UINT16 uuid16 ) |
| 3081 | { |
| 3082 | #if ((BTM_EIR_SERVER_INCLUDED == TRUE)||(BTM_EIR_CLIENT_INCLUDED == TRUE)) |
| 3083 | UINT8 service_id; |
| 3084 | |
| 3085 | service_id = btm_convert_uuid_to_eir_service(uuid16); |
| 3086 | if( service_id < BTM_EIR_MAX_SERVICES ) |
| 3087 | BTM_EIR_SET_SERVICE( p_eir_uuid, service_id ); |
| 3088 | #endif |
| 3089 | } |
| 3090 | |
| 3091 | /******************************************************************************* |
| 3092 | ** |
| 3093 | ** Function BTM_RemoveEirService |
| 3094 | ** |
| 3095 | ** Description This function is called to remove a service in bit map of UUID list. |
| 3096 | ** |
| 3097 | ** Parameters p_eir_uuid - bit mask of UUID list for EIR |
| 3098 | ** uuid16 - UUID 16-bit |
| 3099 | ** |
| 3100 | ** Returns None |
| 3101 | ** |
| 3102 | *******************************************************************************/ |
| 3103 | void BTM_RemoveEirService( UINT32 *p_eir_uuid, UINT16 uuid16 ) |
| 3104 | { |
| 3105 | #if (BTM_EIR_SERVER_INCLUDED == TRUE) |
| 3106 | UINT8 service_id; |
| 3107 | |
| 3108 | service_id = btm_convert_uuid_to_eir_service(uuid16); |
| 3109 | if( service_id < BTM_EIR_MAX_SERVICES ) |
| 3110 | BTM_EIR_CLR_SERVICE( p_eir_uuid, service_id ); |
| 3111 | #endif |
| 3112 | } |
| 3113 | |
| 3114 | /******************************************************************************* |
| 3115 | ** |
| 3116 | ** Function BTM_GetEirSupportedServices |
| 3117 | ** |
| 3118 | ** Description This function is called to get UUID list from bit map of UUID list. |
| 3119 | ** |
| 3120 | ** Parameters p_eir_uuid - bit mask of UUID list for EIR |
| 3121 | ** p - reference of current pointer of EIR |
| 3122 | ** max_num_uuid16 - max number of UUID can be written in EIR |
| 3123 | ** num_uuid16 - number of UUID have been written in EIR |
| 3124 | ** |
| 3125 | ** Returns BTM_EIR_MORE_16BITS_UUID_TYPE, if it has more than max |
| 3126 | ** BTM_EIR_COMPLETE_16BITS_UUID_TYPE, otherwise |
| 3127 | ** |
| 3128 | *******************************************************************************/ |
| 3129 | UINT8 BTM_GetEirSupportedServices( UINT32 *p_eir_uuid, UINT8 **p, |
| 3130 | UINT8 max_num_uuid16, UINT8 *p_num_uuid16) |
| 3131 | { |
| 3132 | #if (BTM_EIR_SERVER_INCLUDED == TRUE) |
| 3133 | UINT8 service_index; |
| 3134 | |
| 3135 | *p_num_uuid16 = 0; |
| 3136 | |
| 3137 | for(service_index = 0; service_index < BTM_EIR_MAX_SERVICES; service_index++) |
| 3138 | { |
| 3139 | if( BTM_EIR_HAS_SERVICE( p_eir_uuid, service_index )) |
| 3140 | { |
| 3141 | if( *p_num_uuid16 < max_num_uuid16 ) |
| 3142 | { |
| 3143 | UINT16_TO_STREAM(*p, BTM_EIR_UUID_LKUP_TBL[service_index]); |
| 3144 | (*p_num_uuid16)++; |
| 3145 | } |
| 3146 | /* if max number of UUIDs are stored and found one more */ |
| 3147 | else |
| 3148 | { |
| 3149 | return BTM_EIR_MORE_16BITS_UUID_TYPE; |
| 3150 | } |
| 3151 | } |
| 3152 | } |
| 3153 | return BTM_EIR_COMPLETE_16BITS_UUID_TYPE; |
| 3154 | #else |
| 3155 | return BTM_EIR_COMPLETE_16BITS_UUID_TYPE; |
| 3156 | #endif |
| 3157 | } |
| 3158 | |
| 3159 | /******************************************************************************* |
| 3160 | ** |
| 3161 | ** Function BTM_GetEirUuidList |
| 3162 | ** |
| 3163 | ** Description This function parses EIR and returns UUID list. |
| 3164 | ** |
| 3165 | ** Parameters p_eir - EIR |
| 3166 | ** uuid_size - LEN_UUID_16, LEN_UUID_32, LEN_UUID_128 |
| 3167 | ** p_num_uuid - return number of UUID in found list |
| 3168 | ** p_uuid_list - return UUID list |
| 3169 | ** max_num_uuid - maximum number of UUID to be returned |
| 3170 | ** |
| 3171 | ** Returns 0 - if not found |
| 3172 | ** BTM_EIR_COMPLETE_16BITS_UUID_TYPE |
| 3173 | ** BTM_EIR_MORE_16BITS_UUID_TYPE |
| 3174 | ** BTM_EIR_COMPLETE_32BITS_UUID_TYPE |
| 3175 | ** BTM_EIR_MORE_32BITS_UUID_TYPE |
| 3176 | ** BTM_EIR_COMPLETE_128BITS_UUID_TYPE |
| 3177 | ** BTM_EIR_MORE_128BITS_UUID_TYPE |
| 3178 | ** |
| 3179 | *******************************************************************************/ |
| 3180 | UINT8 BTM_GetEirUuidList( UINT8 *p_eir, UINT8 uuid_size, UINT8 *p_num_uuid, |
| 3181 | UINT8 *p_uuid_list, UINT8 max_num_uuid) |
| 3182 | { |
| 3183 | #if (BTM_EIR_CLIENT_INCLUDED == TRUE) |
| 3184 | UINT8 *p_uuid_data; |
| 3185 | UINT8 type; |
| 3186 | UINT8 yy, xx; |
| 3187 | UINT16 *p_uuid16 = (UINT16 *)p_uuid_list; |
| 3188 | UINT32 *p_uuid32 = (UINT32 *)p_uuid_list; |
| 3189 | char buff[LEN_UUID_128 * 2 + 1]; |
| 3190 | |
| 3191 | p_uuid_data = btm_eir_get_uuid_list( p_eir, uuid_size, p_num_uuid, &type ); |
| 3192 | if( p_uuid_data == NULL ) |
| 3193 | { |
| 3194 | return 0x00; |
| 3195 | } |
| 3196 | |
| 3197 | if( *p_num_uuid > max_num_uuid ) |
| 3198 | { |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3199 | BTM_TRACE_WARNING("BTM_GetEirUuidList number of uuid in EIR = %d, size of uuid list = %d", |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3200 | *p_num_uuid, max_num_uuid ); |
| 3201 | *p_num_uuid = max_num_uuid; |
| 3202 | } |
| 3203 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3204 | BTM_TRACE_DEBUG("BTM_GetEirUuidList type = %02X, number of uuid = %d", type, *p_num_uuid ); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3205 | |
| 3206 | if( uuid_size == LEN_UUID_16 ) |
| 3207 | { |
| 3208 | for( yy = 0; yy < *p_num_uuid; yy++ ) |
| 3209 | { |
| 3210 | STREAM_TO_UINT16(*(p_uuid16 + yy), p_uuid_data); |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3211 | BTM_TRACE_DEBUG(" 0x%04X", *(p_uuid16 + yy)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3212 | } |
| 3213 | } |
| 3214 | else if( uuid_size == LEN_UUID_32 ) |
| 3215 | { |
| 3216 | for( yy = 0; yy < *p_num_uuid; yy++ ) |
| 3217 | { |
| 3218 | STREAM_TO_UINT32(*(p_uuid32 + yy), p_uuid_data); |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3219 | BTM_TRACE_DEBUG(" 0x%08X", *(p_uuid32 + yy)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3220 | } |
| 3221 | } |
| 3222 | else if( uuid_size == LEN_UUID_128 ) |
| 3223 | { |
| 3224 | for( yy = 0; yy < *p_num_uuid; yy++ ) |
| 3225 | { |
| 3226 | STREAM_TO_ARRAY16(p_uuid_list + yy * LEN_UUID_128, p_uuid_data); |
| 3227 | for( xx = 0; xx < LEN_UUID_128; xx++ ) |
| 3228 | sprintf(buff + xx*2, "%02X", *(p_uuid_list + yy * LEN_UUID_128 + xx)); |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3229 | BTM_TRACE_DEBUG(" 0x%s", buff); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3230 | } |
| 3231 | } |
| 3232 | |
| 3233 | return type; |
| 3234 | #else |
| 3235 | *p_num_uuid = 0; |
| 3236 | return 0x00; |
| 3237 | #endif |
| 3238 | } |
| 3239 | |
| 3240 | |
| 3241 | #if (BTM_EIR_CLIENT_INCLUDED == TRUE) |
| 3242 | /******************************************************************************* |
| 3243 | ** |
| 3244 | ** Function btm_eir_get_uuid_list |
| 3245 | ** |
| 3246 | ** Description This function searches UUID list in EIR. |
| 3247 | ** |
| 3248 | ** Parameters p_eir - address of EIR |
| 3249 | ** uuid_size - size of UUID to find |
| 3250 | ** p_num_uuid - number of UUIDs found |
| 3251 | ** p_uuid_list_type - EIR data type |
| 3252 | ** |
| 3253 | ** Returns NULL - if UUID list with uuid_size is not found |
| 3254 | ** beginning of UUID list in EIR - otherwise |
| 3255 | ** |
| 3256 | *******************************************************************************/ |
| 3257 | static UINT8 *btm_eir_get_uuid_list( UINT8 *p_eir, UINT8 uuid_size, |
| 3258 | UINT8 *p_num_uuid, UINT8 *p_uuid_list_type ) |
| 3259 | { |
| 3260 | UINT8 *p_uuid_data; |
| 3261 | UINT8 complete_type, more_type; |
| 3262 | UINT8 uuid_len; |
| 3263 | |
| 3264 | switch( uuid_size ) |
| 3265 | { |
| 3266 | case LEN_UUID_16: |
| 3267 | complete_type = BTM_EIR_COMPLETE_16BITS_UUID_TYPE; |
| 3268 | more_type = BTM_EIR_MORE_16BITS_UUID_TYPE; |
| 3269 | break; |
| 3270 | case LEN_UUID_32: |
| 3271 | complete_type = BTM_EIR_COMPLETE_32BITS_UUID_TYPE; |
| 3272 | more_type = BTM_EIR_MORE_32BITS_UUID_TYPE; |
| 3273 | break; |
| 3274 | case LEN_UUID_128: |
| 3275 | complete_type = BTM_EIR_COMPLETE_128BITS_UUID_TYPE; |
| 3276 | more_type = BTM_EIR_MORE_128BITS_UUID_TYPE; |
| 3277 | break; |
| 3278 | default: |
| 3279 | *p_num_uuid = 0; |
| 3280 | return NULL; |
| 3281 | break; |
| 3282 | } |
| 3283 | |
| 3284 | p_uuid_data = BTM_CheckEirData( p_eir, complete_type, &uuid_len ); |
| 3285 | if(p_uuid_data == NULL) |
| 3286 | { |
| 3287 | p_uuid_data = BTM_CheckEirData( p_eir, more_type, &uuid_len ); |
| 3288 | *p_uuid_list_type = more_type; |
| 3289 | } |
| 3290 | else |
| 3291 | { |
| 3292 | *p_uuid_list_type = complete_type; |
| 3293 | } |
| 3294 | |
| 3295 | *p_num_uuid = uuid_len / uuid_size; |
| 3296 | return p_uuid_data; |
| 3297 | } |
| 3298 | |
| 3299 | /******************************************************************************* |
| 3300 | ** |
| 3301 | ** Function btm_convert_uuid_to_uuid16 |
| 3302 | ** |
| 3303 | ** Description This function converts UUID to UUID 16-bit. |
| 3304 | ** |
| 3305 | ** Parameters p_uuid - address of UUID |
| 3306 | ** uuid_size - size of UUID |
| 3307 | ** |
| 3308 | ** Returns 0 - if UUID cannot be converted to UUID 16-bit |
| 3309 | ** UUID 16-bit - otherwise |
| 3310 | ** |
| 3311 | *******************************************************************************/ |
| 3312 | static UINT16 btm_convert_uuid_to_uuid16( UINT8 *p_uuid, UINT8 uuid_size ) |
| 3313 | { |
| 3314 | static const UINT8 base_uuid[LEN_UUID_128] = {0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, |
| 3315 | 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 3316 | UINT16 uuid16 = 0; |
| 3317 | UINT32 uuid32; |
| 3318 | BOOLEAN is_base_uuid; |
| 3319 | UINT8 xx; |
| 3320 | |
| 3321 | switch (uuid_size) |
| 3322 | { |
| 3323 | case LEN_UUID_16: |
| 3324 | STREAM_TO_UINT16 (uuid16, p_uuid); |
| 3325 | break; |
| 3326 | case LEN_UUID_32: |
| 3327 | STREAM_TO_UINT32 (uuid32, p_uuid); |
| 3328 | if (uuid32 < 0x10000) |
| 3329 | uuid16 = (UINT16) uuid32; |
| 3330 | break; |
| 3331 | case LEN_UUID_128: |
| 3332 | /* See if we can compress his UUID down to 16 or 32bit UUIDs */ |
| 3333 | is_base_uuid = TRUE; |
| 3334 | for (xx = 0; xx < LEN_UUID_128 - 4; xx++) |
| 3335 | { |
| 3336 | if (p_uuid[xx] != base_uuid[xx]) |
| 3337 | { |
| 3338 | is_base_uuid = FALSE; |
| 3339 | break; |
| 3340 | } |
| 3341 | } |
| 3342 | if (is_base_uuid) |
| 3343 | { |
| 3344 | if ((p_uuid[LEN_UUID_128 - 1] == 0) && (p_uuid[LEN_UUID_128 - 2] == 0)) |
| 3345 | { |
| 3346 | p_uuid += (LEN_UUID_128 - 4); |
| 3347 | STREAM_TO_UINT16(uuid16, p_uuid); |
| 3348 | } |
| 3349 | } |
| 3350 | break; |
| 3351 | default: |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3352 | BTM_TRACE_WARNING("btm_convert_uuid_to_uuid16 invalid uuid size"); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3353 | break; |
| 3354 | } |
| 3355 | |
| 3356 | return( uuid16); |
| 3357 | } |
| 3358 | |
| 3359 | /******************************************************************************* |
| 3360 | ** |
| 3361 | ** Function btm_set_eir_uuid |
| 3362 | ** |
| 3363 | ** Description This function is called to store received UUID into inquiry result. |
| 3364 | ** |
| 3365 | ** Parameters p_eir - pointer of EIR significant part |
| 3366 | ** p_results - pointer of inquiry result |
| 3367 | ** |
| 3368 | ** Returns None |
| 3369 | ** |
| 3370 | *******************************************************************************/ |
| 3371 | void btm_set_eir_uuid( UINT8 *p_eir, tBTM_INQ_RESULTS *p_results ) |
| 3372 | { |
| 3373 | UINT8 *p_uuid_data; |
| 3374 | UINT8 num_uuid; |
| 3375 | UINT16 uuid16; |
| 3376 | UINT8 yy; |
| 3377 | UINT8 type = BTM_EIR_MORE_16BITS_UUID_TYPE; |
| 3378 | |
| 3379 | p_uuid_data = btm_eir_get_uuid_list( p_eir, LEN_UUID_16, &num_uuid, &type ); |
| 3380 | |
| 3381 | if(type == BTM_EIR_COMPLETE_16BITS_UUID_TYPE) |
| 3382 | { |
| 3383 | p_results->eir_complete_list = TRUE; |
| 3384 | } |
| 3385 | else |
| 3386 | { |
| 3387 | p_results->eir_complete_list = FALSE; |
| 3388 | } |
| 3389 | |
Sharvil Nanavati | 83c5256 | 2014-05-04 00:46:57 -0700 | [diff] [blame] | 3390 | BTM_TRACE_API("btm_set_eir_uuid eir_complete_list=0x%02X", p_results->eir_complete_list); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3391 | |
| 3392 | if( p_uuid_data ) |
| 3393 | { |
| 3394 | for( yy = 0; yy < num_uuid; yy++ ) |
| 3395 | { |
| 3396 | STREAM_TO_UINT16(uuid16, p_uuid_data); |
| 3397 | BTM_AddEirService( p_results->eir_uuid, uuid16 ); |
| 3398 | } |
| 3399 | } |
| 3400 | |
| 3401 | p_uuid_data = btm_eir_get_uuid_list( p_eir, LEN_UUID_32, &num_uuid, &type ); |
| 3402 | if( p_uuid_data ) |
| 3403 | { |
| 3404 | for( yy = 0; yy < num_uuid; yy++ ) |
| 3405 | { |
| 3406 | uuid16 = btm_convert_uuid_to_uuid16( p_uuid_data, LEN_UUID_32 ); |
| 3407 | p_uuid_data += LEN_UUID_32; |
| 3408 | if( uuid16 ) |
| 3409 | BTM_AddEirService( p_results->eir_uuid, uuid16 ); |
| 3410 | } |
| 3411 | } |
| 3412 | |
| 3413 | p_uuid_data = btm_eir_get_uuid_list( p_eir, LEN_UUID_128, &num_uuid, &type ); |
| 3414 | if( p_uuid_data ) |
| 3415 | { |
| 3416 | for( yy = 0; yy < num_uuid; yy++ ) |
| 3417 | { |
| 3418 | uuid16 = btm_convert_uuid_to_uuid16( p_uuid_data, LEN_UUID_128 ); |
| 3419 | p_uuid_data += LEN_UUID_128; |
| 3420 | if( uuid16 ) |
| 3421 | BTM_AddEirService( p_results->eir_uuid, uuid16 ); |
| 3422 | } |
| 3423 | } |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 3424 | } |
| 3425 | #endif |
| 3426 | |