1 /****************************************************************************** 2 * 3 * Copyright 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 interface with the HCI transport. On 22 * the receive side, it routes events to the appropriate handler, e.g. 23 * L2CAP, ScoMgr. On the transmit side, it manages the command 24 * transmission. 25 * 26 ******************************************************************************/ 27 28 #define LOG_TAG "bt_btu_hcif" 29 30 #include <base/bind.h> 31 #include <base/callback.h> 32 #include <base/location.h> 33 #include <base/logging.h> 34 #include <base/threading/thread.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 39 #include "bt_common.h" 40 #include "bt_types.h" 41 #include "bt_utils.h" 42 #include "btm_api.h" 43 #include "btm_int.h" 44 #include "btu.h" 45 #include "device/include/controller.h" 46 #include "hci_layer.h" 47 #include "hcimsgs.h" 48 #include "l2c_int.h" 49 #include "osi/include/log.h" 50 #include "osi/include/osi.h" 51 52 using tracked_objects::Location; 53 54 extern void btm_process_cancel_complete(uint8_t status, uint8_t mode); 55 extern void btm_ble_test_command_complete(uint8_t* p); 56 57 /******************************************************************************/ 58 /* L O C A L F U N C T I O N P R O T O T Y P E S */ 59 /******************************************************************************/ 60 static void btu_hcif_inquiry_comp_evt(uint8_t* p); 61 static void btu_hcif_inquiry_result_evt(uint8_t* p); 62 static void btu_hcif_inquiry_rssi_result_evt(uint8_t* p); 63 static void btu_hcif_extended_inquiry_result_evt(uint8_t* p); 64 65 static void btu_hcif_connection_comp_evt(uint8_t* p); 66 static void btu_hcif_connection_request_evt(uint8_t* p); 67 static void btu_hcif_disconnection_comp_evt(uint8_t* p); 68 static void btu_hcif_authentication_comp_evt(uint8_t* p); 69 static void btu_hcif_rmt_name_request_comp_evt(uint8_t* p, uint16_t evt_len); 70 static void btu_hcif_encryption_change_evt(uint8_t* p); 71 static void btu_hcif_read_rmt_features_comp_evt(uint8_t* p); 72 static void btu_hcif_read_rmt_ext_features_comp_evt(uint8_t* p); 73 static void btu_hcif_read_rmt_version_comp_evt(uint8_t* p); 74 static void btu_hcif_qos_setup_comp_evt(uint8_t* p); 75 static void btu_hcif_command_complete_evt(BT_HDR* response, void* context); 76 static void btu_hcif_command_status_evt(uint8_t status, BT_HDR* command, 77 void* context); 78 static void btu_hcif_hardware_error_evt(uint8_t* p); 79 static void btu_hcif_flush_occured_evt(void); 80 static void btu_hcif_role_change_evt(uint8_t* p); 81 static void btu_hcif_num_compl_data_pkts_evt(uint8_t* p); 82 static void btu_hcif_mode_change_evt(uint8_t* p); 83 static void btu_hcif_pin_code_request_evt(uint8_t* p); 84 static void btu_hcif_link_key_request_evt(uint8_t* p); 85 static void btu_hcif_link_key_notification_evt(uint8_t* p); 86 static void btu_hcif_loopback_command_evt(void); 87 static void btu_hcif_data_buf_overflow_evt(void); 88 static void btu_hcif_max_slots_changed_evt(void); 89 static void btu_hcif_read_clock_off_comp_evt(uint8_t* p); 90 static void btu_hcif_conn_pkt_type_change_evt(void); 91 static void btu_hcif_qos_violation_evt(uint8_t* p); 92 static void btu_hcif_page_scan_mode_change_evt(void); 93 static void btu_hcif_page_scan_rep_mode_chng_evt(void); 94 static void btu_hcif_esco_connection_comp_evt(uint8_t* p); 95 static void btu_hcif_esco_connection_chg_evt(uint8_t* p); 96 97 /* Simple Pairing Events */ 98 static void btu_hcif_host_support_evt(uint8_t* p); 99 static void btu_hcif_io_cap_request_evt(uint8_t* p); 100 static void btu_hcif_io_cap_response_evt(uint8_t* p); 101 static void btu_hcif_user_conf_request_evt(uint8_t* p); 102 static void btu_hcif_user_passkey_request_evt(uint8_t* p); 103 static void btu_hcif_user_passkey_notif_evt(uint8_t* p); 104 static void btu_hcif_keypress_notif_evt(uint8_t* p); 105 static void btu_hcif_rem_oob_request_evt(uint8_t* p); 106 107 static void btu_hcif_simple_pair_complete_evt(uint8_t* p); 108 #if L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE 109 static void btu_hcif_enhanced_flush_complete_evt(void); 110 #endif 111 112 #if (BTM_SSR_INCLUDED == TRUE) 113 static void btu_hcif_ssr_evt(uint8_t* p, uint16_t evt_len); 114 #endif /* BTM_SSR_INCLUDED == TRUE */ 115 116 static void btu_ble_ll_conn_complete_evt(uint8_t* p, uint16_t evt_len); 117 static void btu_ble_read_remote_feat_evt(uint8_t* p); 118 static void btu_ble_ll_conn_param_upd_evt(uint8_t* p, uint16_t evt_len); 119 static void btu_ble_proc_ltk_req(uint8_t* p); 120 static void btu_hcif_encryption_key_refresh_cmpl_evt(uint8_t* p); 121 static void btu_ble_data_length_change_evt(uint8_t* p, uint16_t evt_len); 122 #if (BLE_LLT_INCLUDED == TRUE) 123 static void btu_ble_rc_param_req_evt(uint8_t* p); 124 #endif 125 #if (BLE_PRIVACY_SPT == TRUE) 126 static void btu_ble_proc_enhanced_conn_cmpl(uint8_t* p, uint16_t evt_len); 127 #endif 128 129 static void do_in_hci_thread(const tracked_objects::Location& from_here, 130 const base::Closure& task) { 131 base::MessageLoop* hci_message_loop = get_message_loop(); 132 if (!hci_message_loop || !hci_message_loop->task_runner().get()) { 133 LOG_ERROR(LOG_TAG, "%s: HCI message loop not running, accessed from %s", 134 __func__, from_here.ToString().c_str()); 135 return; 136 } 137 138 hci_message_loop->task_runner()->PostTask(from_here, task); 139 } 140 141 /******************************************************************************* 142 * 143 * Function btu_hcif_process_event 144 * 145 * Description This function is called when an event is received from 146 * the Host Controller. 147 * 148 * Returns void 149 * 150 ******************************************************************************/ 151 void btu_hcif_process_event(UNUSED_ATTR uint8_t controller_id, BT_HDR* p_msg) { 152 uint8_t* p = (uint8_t*)(p_msg + 1) + p_msg->offset; 153 uint8_t hci_evt_code, hci_evt_len; 154 uint8_t ble_sub_code; 155 STREAM_TO_UINT8(hci_evt_code, p); 156 STREAM_TO_UINT8(hci_evt_len, p); 157 158 switch (hci_evt_code) { 159 case HCI_INQUIRY_COMP_EVT: 160 btu_hcif_inquiry_comp_evt(p); 161 break; 162 case HCI_INQUIRY_RESULT_EVT: 163 btu_hcif_inquiry_result_evt(p); 164 break; 165 case HCI_INQUIRY_RSSI_RESULT_EVT: 166 btu_hcif_inquiry_rssi_result_evt(p); 167 break; 168 case HCI_EXTENDED_INQUIRY_RESULT_EVT: 169 btu_hcif_extended_inquiry_result_evt(p); 170 break; 171 case HCI_CONNECTION_COMP_EVT: 172 btu_hcif_connection_comp_evt(p); 173 break; 174 case HCI_CONNECTION_REQUEST_EVT: 175 btu_hcif_connection_request_evt(p); 176 break; 177 case HCI_DISCONNECTION_COMP_EVT: 178 btu_hcif_disconnection_comp_evt(p); 179 break; 180 case HCI_AUTHENTICATION_COMP_EVT: 181 btu_hcif_authentication_comp_evt(p); 182 break; 183 case HCI_RMT_NAME_REQUEST_COMP_EVT: 184 btu_hcif_rmt_name_request_comp_evt(p, hci_evt_len); 185 break; 186 case HCI_ENCRYPTION_CHANGE_EVT: 187 btu_hcif_encryption_change_evt(p); 188 break; 189 case HCI_ENCRYPTION_KEY_REFRESH_COMP_EVT: 190 btu_hcif_encryption_key_refresh_cmpl_evt(p); 191 break; 192 case HCI_READ_RMT_FEATURES_COMP_EVT: 193 btu_hcif_read_rmt_features_comp_evt(p); 194 break; 195 case HCI_READ_RMT_EXT_FEATURES_COMP_EVT: 196 btu_hcif_read_rmt_ext_features_comp_evt(p); 197 break; 198 case HCI_READ_RMT_VERSION_COMP_EVT: 199 btu_hcif_read_rmt_version_comp_evt(p); 200 break; 201 case HCI_QOS_SETUP_COMP_EVT: 202 btu_hcif_qos_setup_comp_evt(p); 203 break; 204 case HCI_COMMAND_COMPLETE_EVT: 205 LOG_ERROR(LOG_TAG, 206 "%s should not have received a command complete event. " 207 "Someone didn't go through the hci transmit_command function.", 208 __func__); 209 break; 210 case HCI_COMMAND_STATUS_EVT: 211 LOG_ERROR(LOG_TAG, 212 "%s should not have received a command status event. " 213 "Someone didn't go through the hci transmit_command function.", 214 __func__); 215 break; 216 case HCI_HARDWARE_ERROR_EVT: 217 btu_hcif_hardware_error_evt(p); 218 break; 219 case HCI_FLUSH_OCCURED_EVT: 220 btu_hcif_flush_occured_evt(); 221 break; 222 case HCI_ROLE_CHANGE_EVT: 223 btu_hcif_role_change_evt(p); 224 break; 225 case HCI_NUM_COMPL_DATA_PKTS_EVT: 226 btu_hcif_num_compl_data_pkts_evt(p); 227 break; 228 case HCI_MODE_CHANGE_EVT: 229 btu_hcif_mode_change_evt(p); 230 break; 231 case HCI_PIN_CODE_REQUEST_EVT: 232 btu_hcif_pin_code_request_evt(p); 233 break; 234 case HCI_LINK_KEY_REQUEST_EVT: 235 btu_hcif_link_key_request_evt(p); 236 break; 237 case HCI_LINK_KEY_NOTIFICATION_EVT: 238 btu_hcif_link_key_notification_evt(p); 239 break; 240 case HCI_LOOPBACK_COMMAND_EVT: 241 btu_hcif_loopback_command_evt(); 242 break; 243 case HCI_DATA_BUF_OVERFLOW_EVT: 244 btu_hcif_data_buf_overflow_evt(); 245 break; 246 case HCI_MAX_SLOTS_CHANGED_EVT: 247 btu_hcif_max_slots_changed_evt(); 248 break; 249 case HCI_READ_CLOCK_OFF_COMP_EVT: 250 btu_hcif_read_clock_off_comp_evt(p); 251 break; 252 case HCI_CONN_PKT_TYPE_CHANGE_EVT: 253 btu_hcif_conn_pkt_type_change_evt(); 254 break; 255 case HCI_QOS_VIOLATION_EVT: 256 btu_hcif_qos_violation_evt(p); 257 break; 258 case HCI_PAGE_SCAN_MODE_CHANGE_EVT: 259 btu_hcif_page_scan_mode_change_evt(); 260 break; 261 case HCI_PAGE_SCAN_REP_MODE_CHNG_EVT: 262 btu_hcif_page_scan_rep_mode_chng_evt(); 263 break; 264 case HCI_ESCO_CONNECTION_COMP_EVT: 265 btu_hcif_esco_connection_comp_evt(p); 266 break; 267 case HCI_ESCO_CONNECTION_CHANGED_EVT: 268 btu_hcif_esco_connection_chg_evt(p); 269 break; 270 #if (BTM_SSR_INCLUDED == TRUE) 271 case HCI_SNIFF_SUB_RATE_EVT: 272 btu_hcif_ssr_evt(p, hci_evt_len); 273 break; 274 #endif /* BTM_SSR_INCLUDED == TRUE */ 275 case HCI_RMT_HOST_SUP_FEAT_NOTIFY_EVT: 276 btu_hcif_host_support_evt(p); 277 break; 278 case HCI_IO_CAPABILITY_REQUEST_EVT: 279 btu_hcif_io_cap_request_evt(p); 280 break; 281 case HCI_IO_CAPABILITY_RESPONSE_EVT: 282 btu_hcif_io_cap_response_evt(p); 283 break; 284 case HCI_USER_CONFIRMATION_REQUEST_EVT: 285 btu_hcif_user_conf_request_evt(p); 286 break; 287 case HCI_USER_PASSKEY_REQUEST_EVT: 288 btu_hcif_user_passkey_request_evt(p); 289 break; 290 case HCI_REMOTE_OOB_DATA_REQUEST_EVT: 291 btu_hcif_rem_oob_request_evt(p); 292 break; 293 case HCI_SIMPLE_PAIRING_COMPLETE_EVT: 294 btu_hcif_simple_pair_complete_evt(p); 295 break; 296 case HCI_USER_PASSKEY_NOTIFY_EVT: 297 btu_hcif_user_passkey_notif_evt(p); 298 break; 299 case HCI_KEYPRESS_NOTIFY_EVT: 300 btu_hcif_keypress_notif_evt(p); 301 break; 302 #if (L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE) 303 case HCI_ENHANCED_FLUSH_COMPLETE_EVT: 304 btu_hcif_enhanced_flush_complete_evt(); 305 break; 306 #endif 307 308 case HCI_BLE_EVENT: { 309 STREAM_TO_UINT8(ble_sub_code, p); 310 311 HCI_TRACE_EVENT("BLE HCI(id=%d) event = 0x%02x)", hci_evt_code, 312 ble_sub_code); 313 314 uint8_t ble_evt_len = hci_evt_len - 1; 315 switch (ble_sub_code) { 316 case HCI_BLE_ADV_PKT_RPT_EVT: /* result of inquiry */ 317 HCI_TRACE_EVENT("HCI_BLE_ADV_PKT_RPT_EVT"); 318 btm_ble_process_adv_pkt(ble_evt_len, p); 319 break; 320 case HCI_BLE_CONN_COMPLETE_EVT: 321 btu_ble_ll_conn_complete_evt(p, hci_evt_len); 322 break; 323 case HCI_BLE_LL_CONN_PARAM_UPD_EVT: 324 btu_ble_ll_conn_param_upd_evt(p, hci_evt_len); 325 break; 326 case HCI_BLE_READ_REMOTE_FEAT_CMPL_EVT: 327 btu_ble_read_remote_feat_evt(p); 328 break; 329 case HCI_BLE_LTK_REQ_EVT: /* received only at slave device */ 330 btu_ble_proc_ltk_req(p); 331 break; 332 #if (BLE_PRIVACY_SPT == TRUE) 333 case HCI_BLE_ENHANCED_CONN_COMPLETE_EVT: 334 btu_ble_proc_enhanced_conn_cmpl(p, hci_evt_len); 335 break; 336 #endif 337 #if (BLE_LLT_INCLUDED == TRUE) 338 case HCI_BLE_RC_PARAM_REQ_EVT: 339 btu_ble_rc_param_req_evt(p); 340 break; 341 #endif 342 case HCI_BLE_DATA_LENGTH_CHANGE_EVT: 343 btu_ble_data_length_change_evt(p, hci_evt_len); 344 break; 345 346 case HCI_BLE_PHY_UPDATE_COMPLETE_EVT: 347 btm_ble_process_phy_update_pkt(ble_evt_len, p); 348 break; 349 350 case HCI_LE_EXTENDED_ADVERTISING_REPORT_EVT: 351 btm_ble_process_ext_adv_pkt(hci_evt_len, p); 352 break; 353 354 case HCI_LE_ADVERTISING_SET_TERMINATED_EVT: 355 btm_le_on_advertising_set_terminated(p, hci_evt_len); 356 break; 357 } 358 break; 359 } 360 361 case HCI_VENDOR_SPECIFIC_EVT: 362 btm_vendor_specific_evt(p, hci_evt_len); 363 break; 364 } 365 } 366 367 /******************************************************************************* 368 * 369 * Function btu_hcif_send_cmd 370 * 371 * Description This function is called to send commands to the Host 372 * Controller. 373 * 374 * Returns void 375 * 376 ******************************************************************************/ 377 void btu_hcif_send_cmd(UNUSED_ATTR uint8_t controller_id, BT_HDR* p_buf) { 378 if (!p_buf) return; 379 380 uint16_t opcode; 381 uint8_t* stream = p_buf->data + p_buf->offset; 382 void* vsc_callback = NULL; 383 384 STREAM_TO_UINT16(opcode, stream); 385 386 // Eww...horrible hackery here 387 /* If command was a VSC, then extract command_complete callback */ 388 if ((opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC || 389 (opcode == HCI_BLE_RAND) || (opcode == HCI_BLE_ENCRYPT)) { 390 vsc_callback = *((void**)(p_buf + 1)); 391 } 392 393 hci_layer_get_interface()->transmit_command( 394 p_buf, btu_hcif_command_complete_evt, btu_hcif_command_status_evt, 395 vsc_callback); 396 } 397 398 using hci_cmd_cb = base::Callback<void(uint8_t* /* return_parameters */, 399 uint16_t /* return_parameters_length*/)>; 400 401 struct cmd_with_cb_data { 402 hci_cmd_cb cb; 403 Location posted_from; 404 }; 405 406 void cmd_with_cb_data_init(cmd_with_cb_data* cb_wrapper) { 407 new (&cb_wrapper->cb) hci_cmd_cb; 408 new (&cb_wrapper->posted_from) Location; 409 } 410 411 void cmd_with_cb_data_cleanup(cmd_with_cb_data* cb_wrapper) { 412 cb_wrapper->cb.~hci_cmd_cb(); 413 cb_wrapper->posted_from.~Location(); 414 } 415 416 static void btu_hcif_command_complete_evt_with_cb_on_task(BT_HDR* event, 417 void* context) { 418 command_opcode_t opcode; 419 uint8_t* stream = 420 event->data + event->offset + 421 3; // 2 to skip the event headers, 1 to skip the command credits 422 STREAM_TO_UINT16(opcode, stream); 423 424 cmd_with_cb_data* cb_wrapper = (cmd_with_cb_data*)context; 425 HCI_TRACE_DEBUG("command complete for: %s", 426 cb_wrapper->posted_from.ToString().c_str()); 427 cb_wrapper->cb.Run(stream, event->len - 5); 428 cmd_with_cb_data_cleanup(cb_wrapper); 429 osi_free(cb_wrapper); 430 431 osi_free(event); 432 } 433 434 static void btu_hcif_command_complete_evt_with_cb(BT_HDR* response, 435 void* context) { 436 do_in_hci_thread(FROM_HERE, 437 base::Bind(btu_hcif_command_complete_evt_with_cb_on_task, 438 response, context)); 439 } 440 441 static void btu_hcif_command_status_evt_with_cb_on_task(uint8_t status, 442 BT_HDR* event, 443 void* context) { 444 command_opcode_t opcode; 445 uint8_t* stream = event->data + event->offset; 446 STREAM_TO_UINT16(opcode, stream); 447 448 CHECK(status != 0); 449 450 // report command status error 451 cmd_with_cb_data* cb_wrapper = (cmd_with_cb_data*)context; 452 HCI_TRACE_DEBUG("command status for: %s", 453 cb_wrapper->posted_from.ToString().c_str()); 454 cb_wrapper->cb.Run(&status, sizeof(uint16_t)); 455 cmd_with_cb_data_cleanup(cb_wrapper); 456 osi_free(cb_wrapper); 457 458 osi_free(event); 459 } 460 461 static void btu_hcif_command_status_evt_with_cb(uint8_t status, BT_HDR* command, 462 void* context) { 463 // Command is pending, we report only error. 464 if (!status) { 465 osi_free(command); 466 return; 467 } 468 469 do_in_hci_thread( 470 FROM_HERE, base::Bind(btu_hcif_command_status_evt_with_cb_on_task, status, 471 command, context)); 472 } 473 474 /* This function is called to send commands to the Host Controller. |cb| is 475 * called when command status event is called with error code, or when the 476 * command complete event is received. */ 477 void btu_hcif_send_cmd_with_cb(const tracked_objects::Location& posted_from, 478 uint16_t opcode, uint8_t* params, 479 uint8_t params_len, hci_cmd_cb cb) { 480 BT_HDR* p = (BT_HDR*)osi_malloc(HCI_CMD_BUF_SIZE); 481 uint8_t* pp = (uint8_t*)(p + 1); 482 483 p->len = HCIC_PREAMBLE_SIZE + params_len; 484 p->offset = 0; 485 486 UINT16_TO_STREAM(pp, opcode); 487 UINT8_TO_STREAM(pp, params_len); 488 if (params) { 489 memcpy(pp, params, params_len); 490 } 491 492 cmd_with_cb_data* cb_wrapper = 493 (cmd_with_cb_data*)osi_malloc(sizeof(cmd_with_cb_data)); 494 495 cmd_with_cb_data_init(cb_wrapper); 496 cb_wrapper->cb = cb; 497 cb_wrapper->posted_from = posted_from; 498 499 hci_layer_get_interface()->transmit_command( 500 p, btu_hcif_command_complete_evt_with_cb, 501 btu_hcif_command_status_evt_with_cb, (void*)cb_wrapper); 502 } 503 504 /******************************************************************************* 505 * 506 * Function btu_hcif_inquiry_comp_evt 507 * 508 * Description Process event HCI_INQUIRY_COMP_EVT 509 * 510 * Returns void 511 * 512 ******************************************************************************/ 513 static void btu_hcif_inquiry_comp_evt(uint8_t* p) { 514 uint8_t status; 515 516 STREAM_TO_UINT8(status, p); 517 518 /* Tell inquiry processing that we are done */ 519 btm_process_inq_complete(status, BTM_BR_INQUIRY_MASK); 520 } 521 522 /******************************************************************************* 523 * 524 * Function btu_hcif_inquiry_result_evt 525 * 526 * Description Process event HCI_INQUIRY_RESULT_EVT 527 * 528 * Returns void 529 * 530 ******************************************************************************/ 531 static void btu_hcif_inquiry_result_evt(uint8_t* p) { 532 /* Store results in the cache */ 533 btm_process_inq_results(p, BTM_INQ_RESULT_STANDARD); 534 } 535 536 /******************************************************************************* 537 * 538 * Function btu_hcif_inquiry_rssi_result_evt 539 * 540 * Description Process event HCI_INQUIRY_RSSI_RESULT_EVT 541 * 542 * Returns void 543 * 544 ******************************************************************************/ 545 static void btu_hcif_inquiry_rssi_result_evt(uint8_t* p) { 546 /* Store results in the cache */ 547 btm_process_inq_results(p, BTM_INQ_RESULT_WITH_RSSI); 548 } 549 550 /******************************************************************************* 551 * 552 * Function btu_hcif_extended_inquiry_result_evt 553 * 554 * Description Process event HCI_EXTENDED_INQUIRY_RESULT_EVT 555 * 556 * Returns void 557 * 558 ******************************************************************************/ 559 static void btu_hcif_extended_inquiry_result_evt(uint8_t* p) { 560 /* Store results in the cache */ 561 btm_process_inq_results(p, BTM_INQ_RESULT_EXTENDED); 562 } 563 564 /******************************************************************************* 565 * 566 * Function btu_hcif_connection_comp_evt 567 * 568 * Description Process event HCI_CONNECTION_COMP_EVT 569 * 570 * Returns void 571 * 572 ******************************************************************************/ 573 static void btu_hcif_connection_comp_evt(uint8_t* p) { 574 uint8_t status; 575 uint16_t handle; 576 RawAddress bda; 577 uint8_t link_type; 578 uint8_t enc_mode; 579 #if (BTM_SCO_INCLUDED == TRUE) 580 tBTM_ESCO_DATA esco_data; 581 #endif 582 583 STREAM_TO_UINT8(status, p); 584 STREAM_TO_UINT16(handle, p); 585 STREAM_TO_BDADDR(bda, p); 586 STREAM_TO_UINT8(link_type, p); 587 STREAM_TO_UINT8(enc_mode, p); 588 589 handle = HCID_GET_HANDLE(handle); 590 591 if (status != HCI_SUCCESS) { 592 HCI_TRACE_DEBUG( 593 "%s: Connection failed: status=%d, handle=%d, link_type=%d, " 594 "enc_mode=%d", 595 __func__, status, handle, link_type, enc_mode); 596 } 597 598 if (link_type == HCI_LINK_TYPE_ACL) { 599 btm_sec_connected(bda, handle, status, enc_mode); 600 601 l2c_link_hci_conn_comp(status, handle, bda); 602 } 603 #if (BTM_SCO_INCLUDED == TRUE) 604 else { 605 memset(&esco_data, 0, sizeof(tBTM_ESCO_DATA)); 606 /* esco_data.link_type = HCI_LINK_TYPE_SCO; already zero */ 607 esco_data.bd_addr = bda; 608 btm_sco_connected(status, &bda, handle, &esco_data); 609 } 610 #endif /* BTM_SCO_INCLUDED */ 611 } 612 613 /******************************************************************************* 614 * 615 * Function btu_hcif_connection_request_evt 616 * 617 * Description Process event HCI_CONNECTION_REQUEST_EVT 618 * 619 * Returns void 620 * 621 ******************************************************************************/ 622 static void btu_hcif_connection_request_evt(uint8_t* p) { 623 RawAddress bda; 624 DEV_CLASS dc; 625 uint8_t link_type; 626 627 STREAM_TO_BDADDR(bda, p); 628 STREAM_TO_DEVCLASS(dc, p); 629 STREAM_TO_UINT8(link_type, p); 630 631 /* Pass request to security manager to check connect filters before */ 632 /* passing request to l2cap */ 633 if (link_type == HCI_LINK_TYPE_ACL) { 634 btm_sec_conn_req(bda, dc); 635 } 636 #if (BTM_SCO_INCLUDED == TRUE) 637 else { 638 btm_sco_conn_req(bda, dc, link_type); 639 } 640 #endif /* BTM_SCO_INCLUDED */ 641 } 642 643 /******************************************************************************* 644 * 645 * Function btu_hcif_disconnection_comp_evt 646 * 647 * Description Process event HCI_DISCONNECTION_COMP_EVT 648 * 649 * Returns void 650 * 651 ******************************************************************************/ 652 static void btu_hcif_disconnection_comp_evt(uint8_t* p) { 653 uint16_t handle; 654 uint8_t reason; 655 656 ++p; 657 STREAM_TO_UINT16(handle, p); 658 STREAM_TO_UINT8(reason, p); 659 660 handle = HCID_GET_HANDLE(handle); 661 662 if ((reason != HCI_ERR_CONN_CAUSE_LOCAL_HOST) && 663 (reason != HCI_ERR_PEER_USER)) { 664 /* Uncommon disconnection reasons */ 665 HCI_TRACE_DEBUG("%s: Got Disconn Complete Event: reason=%d, handle=%d", 666 __func__, reason, handle); 667 } 668 669 #if (BTM_SCO_INCLUDED == TRUE) 670 /* If L2CAP doesn't know about it, send it to SCO */ 671 if (!l2c_link_hci_disc_comp(handle, reason)) btm_sco_removed(handle, reason); 672 #else 673 l2c_link_hci_disc_comp(handle, reason); 674 #endif /* BTM_SCO_INCLUDED */ 675 676 /* Notify security manager */ 677 btm_sec_disconnected(handle, reason); 678 } 679 680 /******************************************************************************* 681 * 682 * Function btu_hcif_authentication_comp_evt 683 * 684 * Description Process event HCI_AUTHENTICATION_COMP_EVT 685 * 686 * Returns void 687 * 688 ******************************************************************************/ 689 static void btu_hcif_authentication_comp_evt(uint8_t* p) { 690 uint8_t status; 691 uint16_t handle; 692 693 STREAM_TO_UINT8(status, p); 694 STREAM_TO_UINT16(handle, p); 695 696 btm_sec_auth_complete(handle, status); 697 } 698 699 /******************************************************************************* 700 * 701 * Function btu_hcif_rmt_name_request_comp_evt 702 * 703 * Description Process event HCI_RMT_NAME_REQUEST_COMP_EVT 704 * 705 * Returns void 706 * 707 ******************************************************************************/ 708 static void btu_hcif_rmt_name_request_comp_evt(uint8_t* p, uint16_t evt_len) { 709 uint8_t status; 710 RawAddress bd_addr; 711 712 STREAM_TO_UINT8(status, p); 713 STREAM_TO_BDADDR(bd_addr, p); 714 715 evt_len -= (1 + BD_ADDR_LEN); 716 717 btm_process_remote_name(&bd_addr, p, evt_len, status); 718 719 btm_sec_rmt_name_request_complete(&bd_addr, p, status); 720 } 721 722 /******************************************************************************* 723 * 724 * Function btu_hcif_encryption_change_evt 725 * 726 * Description Process event HCI_ENCRYPTION_CHANGE_EVT 727 * 728 * Returns void 729 * 730 ******************************************************************************/ 731 static void btu_hcif_encryption_change_evt(uint8_t* p) { 732 uint8_t status; 733 uint16_t handle; 734 uint8_t encr_enable; 735 736 STREAM_TO_UINT8(status, p); 737 STREAM_TO_UINT16(handle, p); 738 STREAM_TO_UINT8(encr_enable, p); 739 740 btm_acl_encrypt_change(handle, status, encr_enable); 741 btm_sec_encrypt_change(handle, status, encr_enable); 742 } 743 744 /******************************************************************************* 745 * 746 * Function btu_hcif_read_rmt_features_comp_evt 747 * 748 * Description Process event HCI_READ_RMT_FEATURES_COMP_EVT 749 * 750 * Returns void 751 * 752 ******************************************************************************/ 753 static void btu_hcif_read_rmt_features_comp_evt(uint8_t* p) { 754 btm_read_remote_features_complete(p); 755 } 756 757 /******************************************************************************* 758 * 759 * Function btu_hcif_read_rmt_ext_features_comp_evt 760 * 761 * Description Process event HCI_READ_RMT_EXT_FEATURES_COMP_EVT 762 * 763 * Returns void 764 * 765 ******************************************************************************/ 766 static void btu_hcif_read_rmt_ext_features_comp_evt(uint8_t* p) { 767 uint8_t* p_cur = p; 768 uint8_t status; 769 uint16_t handle; 770 771 STREAM_TO_UINT8(status, p_cur); 772 773 if (status == HCI_SUCCESS) 774 btm_read_remote_ext_features_complete(p); 775 else { 776 STREAM_TO_UINT16(handle, p_cur); 777 btm_read_remote_ext_features_failed(status, handle); 778 } 779 } 780 781 /******************************************************************************* 782 * 783 * Function btu_hcif_read_rmt_version_comp_evt 784 * 785 * Description Process event HCI_READ_RMT_VERSION_COMP_EVT 786 * 787 * Returns void 788 * 789 ******************************************************************************/ 790 static void btu_hcif_read_rmt_version_comp_evt(uint8_t* p) { 791 btm_read_remote_version_complete(p); 792 } 793 794 /******************************************************************************* 795 * 796 * Function btu_hcif_qos_setup_comp_evt 797 * 798 * Description Process event HCI_QOS_SETUP_COMP_EVT 799 * 800 * Returns void 801 * 802 ******************************************************************************/ 803 static void btu_hcif_qos_setup_comp_evt(uint8_t* p) { 804 uint8_t status; 805 uint16_t handle; 806 FLOW_SPEC flow; 807 808 STREAM_TO_UINT8(status, p); 809 STREAM_TO_UINT16(handle, p); 810 STREAM_TO_UINT8(flow.qos_flags, p); 811 STREAM_TO_UINT8(flow.service_type, p); 812 STREAM_TO_UINT32(flow.token_rate, p); 813 STREAM_TO_UINT32(flow.peak_bandwidth, p); 814 STREAM_TO_UINT32(flow.latency, p); 815 STREAM_TO_UINT32(flow.delay_variation, p); 816 817 btm_qos_setup_complete(status, handle, &flow); 818 } 819 820 /******************************************************************************* 821 * 822 * Function btu_hcif_esco_connection_comp_evt 823 * 824 * Description Process event HCI_ESCO_CONNECTION_COMP_EVT 825 * 826 * Returns void 827 * 828 ******************************************************************************/ 829 static void btu_hcif_esco_connection_comp_evt(uint8_t* p) { 830 #if (BTM_SCO_INCLUDED == TRUE) 831 tBTM_ESCO_DATA data; 832 uint16_t handle; 833 RawAddress bda; 834 uint8_t status; 835 836 STREAM_TO_UINT8(status, p); 837 STREAM_TO_UINT16(handle, p); 838 STREAM_TO_BDADDR(bda, p); 839 840 STREAM_TO_UINT8(data.link_type, p); 841 STREAM_TO_UINT8(data.tx_interval, p); 842 STREAM_TO_UINT8(data.retrans_window, p); 843 STREAM_TO_UINT16(data.rx_pkt_len, p); 844 STREAM_TO_UINT16(data.tx_pkt_len, p); 845 STREAM_TO_UINT8(data.air_mode, p); 846 847 data.bd_addr = bda; 848 btm_sco_connected(status, &bda, handle, &data); 849 #endif 850 } 851 852 /******************************************************************************* 853 * 854 * Function btu_hcif_esco_connection_chg_evt 855 * 856 * Description Process event HCI_ESCO_CONNECTION_CHANGED_EVT 857 * 858 * Returns void 859 * 860 ******************************************************************************/ 861 static void btu_hcif_esco_connection_chg_evt(uint8_t* p) { 862 #if (BTM_SCO_INCLUDED == TRUE) 863 uint16_t handle; 864 uint16_t tx_pkt_len; 865 uint16_t rx_pkt_len; 866 uint8_t status; 867 uint8_t tx_interval; 868 uint8_t retrans_window; 869 870 STREAM_TO_UINT8(status, p); 871 STREAM_TO_UINT16(handle, p); 872 873 STREAM_TO_UINT8(tx_interval, p); 874 STREAM_TO_UINT8(retrans_window, p); 875 STREAM_TO_UINT16(rx_pkt_len, p); 876 STREAM_TO_UINT16(tx_pkt_len, p); 877 878 btm_esco_proc_conn_chg(status, handle, tx_interval, retrans_window, 879 rx_pkt_len, tx_pkt_len); 880 #endif 881 } 882 883 /******************************************************************************* 884 * 885 * Function btu_hcif_hdl_command_complete 886 * 887 * Description Handle command complete event 888 * 889 * Returns void 890 * 891 ******************************************************************************/ 892 static void btu_hcif_hdl_command_complete(uint16_t opcode, uint8_t* p, 893 uint16_t evt_len, 894 void* p_cplt_cback) { 895 switch (opcode) { 896 case HCI_INQUIRY_CANCEL: 897 /* Tell inquiry processing that we are done */ 898 btm_process_cancel_complete(HCI_SUCCESS, BTM_BR_INQUIRY_MASK); 899 break; 900 case HCI_SET_EVENT_FILTER: 901 btm_event_filter_complete(p); 902 break; 903 904 case HCI_DELETE_STORED_LINK_KEY: 905 btm_delete_stored_link_key_complete(p); 906 break; 907 908 case HCI_READ_LOCAL_NAME: 909 btm_read_local_name_complete(p, evt_len); 910 break; 911 912 case HCI_GET_LINK_QUALITY: 913 btm_read_link_quality_complete(p); 914 break; 915 916 case HCI_READ_RSSI: 917 btm_read_rssi_complete(p); 918 break; 919 920 case HCI_READ_FAILED_CONTACT_COUNTER: 921 btm_read_failed_contact_counter_complete(p); 922 break; 923 924 case HCI_READ_AUTOMATIC_FLUSH_TIMEOUT: 925 btm_read_automatic_flush_timeout_complete(p); 926 break; 927 928 case HCI_READ_TRANSMIT_POWER_LEVEL: 929 btm_read_tx_power_complete(p, false); 930 break; 931 932 case HCI_CREATE_CONNECTION_CANCEL: 933 btm_create_conn_cancel_complete(p); 934 break; 935 936 case HCI_READ_LOCAL_OOB_DATA: 937 btm_read_local_oob_complete(p); 938 break; 939 940 case HCI_READ_INQ_TX_POWER_LEVEL: 941 btm_read_inq_tx_power_complete(p); 942 break; 943 944 /* BLE Commands sComplete*/ 945 case HCI_BLE_ADD_WHITE_LIST: 946 btm_ble_add_2_white_list_complete(*p); 947 break; 948 949 case HCI_BLE_CLEAR_WHITE_LIST: 950 btm_ble_clear_white_list_complete(p, evt_len); 951 break; 952 953 case HCI_BLE_REMOVE_WHITE_LIST: 954 btm_ble_remove_from_white_list_complete(p, evt_len); 955 break; 956 957 case HCI_BLE_RAND: 958 case HCI_BLE_ENCRYPT: 959 btm_ble_rand_enc_complete(p, opcode, (tBTM_RAND_ENC_CB*)p_cplt_cback); 960 break; 961 962 case HCI_BLE_READ_ADV_CHNL_TX_POWER: 963 btm_read_tx_power_complete(p, true); 964 break; 965 966 case HCI_BLE_WRITE_ADV_ENABLE: 967 btm_ble_write_adv_enable_complete(p); 968 break; 969 970 case HCI_BLE_CREATE_LL_CONN: 971 case HCI_LE_EXTENDED_CREATE_CONNECTION: 972 // No command complete event for those commands according to spec 973 LOG(ERROR) << "No command complete expected, but received!"; 974 break; 975 976 case HCI_BLE_CREATE_CONN_CANCEL: 977 btm_ble_create_conn_cancel_complete(p); 978 break; 979 980 case HCI_BLE_TRANSMITTER_TEST: 981 case HCI_BLE_RECEIVER_TEST: 982 case HCI_BLE_TEST_END: 983 btm_ble_test_command_complete(p); 984 break; 985 986 #if (BLE_PRIVACY_SPT == TRUE) 987 case HCI_BLE_ADD_DEV_RESOLVING_LIST: 988 btm_ble_add_resolving_list_entry_complete(p, evt_len); 989 break; 990 991 case HCI_BLE_RM_DEV_RESOLVING_LIST: 992 btm_ble_remove_resolving_list_entry_complete(p, evt_len); 993 break; 994 995 case HCI_BLE_CLEAR_RESOLVING_LIST: 996 btm_ble_clear_resolving_list_complete(p, evt_len); 997 break; 998 999 case HCI_BLE_READ_RESOLVABLE_ADDR_PEER: 1000 btm_ble_read_resolving_list_entry_complete(p, evt_len); 1001 break; 1002 1003 case HCI_BLE_READ_RESOLVABLE_ADDR_LOCAL: 1004 case HCI_BLE_SET_ADDR_RESOLUTION_ENABLE: 1005 case HCI_BLE_SET_RAND_PRIV_ADDR_TIMOUT: 1006 break; 1007 #endif 1008 default: 1009 if ((opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC) 1010 btm_vsc_complete(p, opcode, evt_len, (tBTM_VSC_CMPL_CB*)p_cplt_cback); 1011 break; 1012 } 1013 } 1014 1015 /******************************************************************************* 1016 * 1017 * Function btu_hcif_command_complete_evt 1018 * 1019 * Description Process event HCI_COMMAND_COMPLETE_EVT 1020 * 1021 * Returns void 1022 * 1023 ******************************************************************************/ 1024 static void btu_hcif_command_complete_evt_on_task(BT_HDR* event, 1025 void* context) { 1026 command_opcode_t opcode; 1027 uint8_t* stream = 1028 event->data + event->offset + 1029 3; // 2 to skip the event headers, 1 to skip the command credits 1030 STREAM_TO_UINT16(opcode, stream); 1031 1032 btu_hcif_hdl_command_complete( 1033 opcode, stream, 1034 event->len - 1035 5, // 3 for the command complete headers, 2 for the event headers 1036 context); 1037 1038 osi_free(event); 1039 } 1040 1041 static void btu_hcif_command_complete_evt(BT_HDR* response, void* context) { 1042 do_in_hci_thread(FROM_HERE, base::Bind(btu_hcif_command_complete_evt_on_task, 1043 response, context)); 1044 } 1045 1046 /******************************************************************************* 1047 * 1048 * Function btu_hcif_hdl_command_status 1049 * 1050 * Description Handle a command status event 1051 * 1052 * Returns void 1053 * 1054 ******************************************************************************/ 1055 static void btu_hcif_hdl_command_status(uint16_t opcode, uint8_t status, 1056 uint8_t* p_cmd, 1057 void* p_vsc_status_cback) { 1058 RawAddress bd_addr; 1059 uint16_t handle; 1060 #if (BTM_SCO_INCLUDED == TRUE) 1061 tBTM_ESCO_DATA esco_data; 1062 #endif 1063 1064 switch (opcode) { 1065 case HCI_EXIT_SNIFF_MODE: 1066 case HCI_EXIT_PARK_MODE: 1067 #if (BTM_SCO_WAKE_PARKED_LINK == TRUE) 1068 if (status != HCI_SUCCESS) { 1069 /* Allow SCO initiation to continue if waiting for change mode event */ 1070 if (p_cmd != NULL) { 1071 p_cmd++; /* bypass length field */ 1072 STREAM_TO_UINT16(handle, p_cmd); 1073 btm_sco_chk_pend_unpark(status, handle); 1074 } 1075 } 1076 #endif 1077 /* Case Falls Through */ 1078 1079 case HCI_HOLD_MODE: 1080 case HCI_SNIFF_MODE: 1081 case HCI_PARK_MODE: 1082 btm_pm_proc_cmd_status(status); 1083 break; 1084 1085 default: 1086 /* If command failed to start, we may need to tell BTM */ 1087 if (status != HCI_SUCCESS) { 1088 switch (opcode) { 1089 case HCI_INQUIRY: 1090 /* Tell inquiry processing that we are done */ 1091 btm_process_inq_complete(status, BTM_BR_INQUIRY_MASK); 1092 break; 1093 1094 case HCI_RMT_NAME_REQUEST: 1095 /* Tell inquiry processing that we are done */ 1096 btm_process_remote_name(NULL, NULL, 0, status); 1097 1098 btm_sec_rmt_name_request_complete(NULL, NULL, status); 1099 break; 1100 1101 case HCI_QOS_SETUP_COMP_EVT: 1102 /* Tell qos setup that we are done */ 1103 btm_qos_setup_complete(status, 0, NULL); 1104 break; 1105 1106 case HCI_SWITCH_ROLE: 1107 /* Tell BTM that the command failed */ 1108 /* read bd addr out of stored command */ 1109 if (p_cmd != NULL) { 1110 p_cmd++; 1111 STREAM_TO_BDADDR(bd_addr, p_cmd); 1112 btm_acl_role_changed(status, &bd_addr, BTM_ROLE_UNDEFINED); 1113 } else 1114 btm_acl_role_changed(status, NULL, BTM_ROLE_UNDEFINED); 1115 l2c_link_role_changed(nullptr, BTM_ROLE_UNDEFINED, 1116 HCI_ERR_COMMAND_DISALLOWED); 1117 break; 1118 1119 case HCI_CREATE_CONNECTION: 1120 /* read bd addr out of stored command */ 1121 if (p_cmd != NULL) { 1122 p_cmd++; 1123 STREAM_TO_BDADDR(bd_addr, p_cmd); 1124 btm_sec_connected(bd_addr, HCI_INVALID_HANDLE, status, 0); 1125 l2c_link_hci_conn_comp(status, HCI_INVALID_HANDLE, bd_addr); 1126 } 1127 break; 1128 1129 case HCI_READ_RMT_EXT_FEATURES: 1130 if (p_cmd != NULL) { 1131 p_cmd++; /* skip command length */ 1132 STREAM_TO_UINT16(handle, p_cmd); 1133 } else 1134 handle = HCI_INVALID_HANDLE; 1135 1136 btm_read_remote_ext_features_failed(status, handle); 1137 break; 1138 1139 case HCI_AUTHENTICATION_REQUESTED: 1140 /* Device refused to start authentication. That should be treated 1141 * as authentication failure. */ 1142 btm_sec_auth_complete(BTM_INVALID_HCI_HANDLE, status); 1143 break; 1144 1145 case HCI_SET_CONN_ENCRYPTION: 1146 /* Device refused to start encryption. That should be treated as 1147 * encryption failure. */ 1148 btm_sec_encrypt_change(BTM_INVALID_HCI_HANDLE, status, false); 1149 break; 1150 1151 case HCI_BLE_CREATE_LL_CONN: 1152 case HCI_LE_EXTENDED_CREATE_CONNECTION: 1153 btm_ble_create_ll_conn_complete(status); 1154 break; 1155 1156 #if (BTM_SCO_INCLUDED == TRUE) 1157 case HCI_SETUP_ESCO_CONNECTION: 1158 case HCI_ENH_SETUP_ESCO_CONNECTION: 1159 /* read handle out of stored command */ 1160 if (p_cmd != NULL) { 1161 p_cmd++; 1162 STREAM_TO_UINT16(handle, p_cmd); 1163 1164 /* Determine if initial connection failed or is a change 1165 * of setup */ 1166 if (btm_is_sco_active(handle)) 1167 btm_esco_proc_conn_chg(status, handle, 0, 0, 0, 0); 1168 else 1169 btm_sco_connected(status, NULL, handle, &esco_data); 1170 } 1171 break; 1172 #endif 1173 1174 /* This is commented out until an upper layer cares about returning 1175 event 1176 #if (L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE) 1177 case HCI_ENHANCED_FLUSH: 1178 break; 1179 #endif 1180 */ 1181 default: 1182 if ((opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC) 1183 btm_vsc_complete(&status, opcode, 1, 1184 (tBTM_VSC_CMPL_CB*)p_vsc_status_cback); 1185 break; 1186 } 1187 1188 } else { 1189 if ((opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC) 1190 btm_vsc_complete(&status, opcode, 1, 1191 (tBTM_VSC_CMPL_CB*)p_vsc_status_cback); 1192 } 1193 } 1194 } 1195 1196 /******************************************************************************* 1197 * 1198 * Function btu_hcif_command_status_evt 1199 * 1200 * Description Process event HCI_COMMAND_STATUS_EVT 1201 * 1202 * Returns void 1203 * 1204 ******************************************************************************/ 1205 static void btu_hcif_command_status_evt_on_task(uint8_t status, BT_HDR* event, 1206 void* context) { 1207 command_opcode_t opcode; 1208 uint8_t* stream = event->data + event->offset; 1209 STREAM_TO_UINT16(opcode, stream); 1210 1211 btu_hcif_hdl_command_status(opcode, status, stream, context); 1212 osi_free(event); 1213 } 1214 1215 static void btu_hcif_command_status_evt(uint8_t status, BT_HDR* command, 1216 void* context) { 1217 do_in_hci_thread(FROM_HERE, base::Bind(btu_hcif_command_status_evt_on_task, 1218 status, command, context)); 1219 } 1220 1221 /******************************************************************************* 1222 * 1223 * Function btu_hcif_hardware_error_evt 1224 * 1225 * Description Process event HCI_HARDWARE_ERROR_EVT 1226 * 1227 * Returns void 1228 * 1229 ******************************************************************************/ 1230 static void btu_hcif_hardware_error_evt(uint8_t* p) { 1231 HCI_TRACE_ERROR("Ctlr H/w error event - code:0x%x", *p); 1232 1233 /* If anyone wants device status notifications, give him one. */ 1234 btm_report_device_status(BTM_DEV_STATUS_DOWN); 1235 1236 /* Reset the controller */ 1237 if (BTM_IsDeviceUp()) BTM_DeviceReset(NULL); 1238 } 1239 1240 /******************************************************************************* 1241 * 1242 * Function btu_hcif_flush_occured_evt 1243 * 1244 * Description Process event HCI_FLUSH_OCCURED_EVT 1245 * 1246 * Returns void 1247 * 1248 ******************************************************************************/ 1249 static void btu_hcif_flush_occured_evt(void) {} 1250 1251 /******************************************************************************* 1252 * 1253 * Function btu_hcif_role_change_evt 1254 * 1255 * Description Process event HCI_ROLE_CHANGE_EVT 1256 * 1257 * Returns void 1258 * 1259 ******************************************************************************/ 1260 static void btu_hcif_role_change_evt(uint8_t* p) { 1261 uint8_t status; 1262 RawAddress bda; 1263 uint8_t role; 1264 1265 STREAM_TO_UINT8(status, p); 1266 STREAM_TO_BDADDR(bda, p); 1267 STREAM_TO_UINT8(role, p); 1268 1269 btm_blacklist_role_change_device(bda, status); 1270 l2c_link_role_changed(&bda, role, status); 1271 btm_acl_role_changed(status, &bda, role); 1272 } 1273 1274 /******************************************************************************* 1275 * 1276 * Function btu_hcif_num_compl_data_pkts_evt 1277 * 1278 * Description Process event HCI_NUM_COMPL_DATA_PKTS_EVT 1279 * 1280 * Returns void 1281 * 1282 ******************************************************************************/ 1283 static void btu_hcif_num_compl_data_pkts_evt(uint8_t* p) { 1284 /* Process for L2CAP and SCO */ 1285 l2c_link_process_num_completed_pkts(p); 1286 1287 /* Send on to SCO */ 1288 /*?? No SCO for now */ 1289 } 1290 1291 /******************************************************************************* 1292 * 1293 * Function btu_hcif_mode_change_evt 1294 * 1295 * Description Process event HCI_MODE_CHANGE_EVT 1296 * 1297 * Returns void 1298 * 1299 ******************************************************************************/ 1300 static void btu_hcif_mode_change_evt(uint8_t* p) { 1301 uint8_t status; 1302 uint16_t handle; 1303 uint8_t current_mode; 1304 uint16_t interval; 1305 1306 STREAM_TO_UINT8(status, p); 1307 1308 STREAM_TO_UINT16(handle, p); 1309 STREAM_TO_UINT8(current_mode, p); 1310 STREAM_TO_UINT16(interval, p); 1311 #if (BTM_SCO_WAKE_PARKED_LINK == TRUE) 1312 btm_sco_chk_pend_unpark(status, handle); 1313 #endif 1314 btm_pm_proc_mode_change(status, handle, current_mode, interval); 1315 1316 #if (HID_DEV_INCLUDED == TRUE && HID_DEV_PM_INCLUDED == TRUE) 1317 hidd_pm_proc_mode_change(status, current_mode, interval); 1318 #endif 1319 } 1320 1321 /******************************************************************************* 1322 * 1323 * Function btu_hcif_ssr_evt 1324 * 1325 * Description Process event HCI_SNIFF_SUB_RATE_EVT 1326 * 1327 * Returns void 1328 * 1329 ******************************************************************************/ 1330 #if (BTM_SSR_INCLUDED == TRUE) 1331 static void btu_hcif_ssr_evt(uint8_t* p, uint16_t evt_len) { 1332 btm_pm_proc_ssr_evt(p, evt_len); 1333 } 1334 #endif 1335 1336 /******************************************************************************* 1337 * 1338 * Function btu_hcif_pin_code_request_evt 1339 * 1340 * Description Process event HCI_PIN_CODE_REQUEST_EVT 1341 * 1342 * Returns void 1343 * 1344 ******************************************************************************/ 1345 static void btu_hcif_pin_code_request_evt(uint8_t* p) { 1346 RawAddress bda; 1347 1348 STREAM_TO_BDADDR(bda, p); 1349 1350 /* Tell L2CAP that there was a PIN code request, */ 1351 /* it may need to stretch timeouts */ 1352 l2c_pin_code_request(bda); 1353 1354 btm_sec_pin_code_request(bda); 1355 } 1356 1357 /******************************************************************************* 1358 * 1359 * Function btu_hcif_link_key_request_evt 1360 * 1361 * Description Process event HCI_LINK_KEY_REQUEST_EVT 1362 * 1363 * Returns void 1364 * 1365 ******************************************************************************/ 1366 static void btu_hcif_link_key_request_evt(uint8_t* p) { 1367 RawAddress bda; 1368 1369 STREAM_TO_BDADDR(bda, p); 1370 btm_sec_link_key_request(bda); 1371 } 1372 1373 /******************************************************************************* 1374 * 1375 * Function btu_hcif_link_key_notification_evt 1376 * 1377 * Description Process event HCI_LINK_KEY_NOTIFICATION_EVT 1378 * 1379 * Returns void 1380 * 1381 ******************************************************************************/ 1382 static void btu_hcif_link_key_notification_evt(uint8_t* p) { 1383 RawAddress bda; 1384 LINK_KEY key; 1385 uint8_t key_type; 1386 1387 STREAM_TO_BDADDR(bda, p); 1388 STREAM_TO_ARRAY16(key, p); 1389 STREAM_TO_UINT8(key_type, p); 1390 1391 btm_sec_link_key_notification(bda, key, key_type); 1392 } 1393 1394 /******************************************************************************* 1395 * 1396 * Function btu_hcif_loopback_command_evt 1397 * 1398 * Description Process event HCI_LOOPBACK_COMMAND_EVT 1399 * 1400 * Returns void 1401 * 1402 ******************************************************************************/ 1403 static void btu_hcif_loopback_command_evt(void) {} 1404 1405 /******************************************************************************* 1406 * 1407 * Function btu_hcif_data_buf_overflow_evt 1408 * 1409 * Description Process event HCI_DATA_BUF_OVERFLOW_EVT 1410 * 1411 * Returns void 1412 * 1413 ******************************************************************************/ 1414 static void btu_hcif_data_buf_overflow_evt(void) {} 1415 1416 /******************************************************************************* 1417 * 1418 * Function btu_hcif_max_slots_changed_evt 1419 * 1420 * Description Process event HCI_MAX_SLOTS_CHANGED_EVT 1421 * 1422 * Returns void 1423 * 1424 ******************************************************************************/ 1425 static void btu_hcif_max_slots_changed_evt(void) {} 1426 1427 /******************************************************************************* 1428 * 1429 * Function btu_hcif_read_clock_off_comp_evt 1430 * 1431 * Description Process event HCI_READ_CLOCK_OFF_COMP_EVT 1432 * 1433 * Returns void 1434 * 1435 ******************************************************************************/ 1436 static void btu_hcif_read_clock_off_comp_evt(uint8_t* p) { 1437 uint8_t status; 1438 uint16_t handle; 1439 uint16_t clock_offset; 1440 1441 STREAM_TO_UINT8(status, p); 1442 1443 /* If failed to get clock offset just drop the result */ 1444 if (status != HCI_SUCCESS) return; 1445 1446 STREAM_TO_UINT16(handle, p); 1447 STREAM_TO_UINT16(clock_offset, p); 1448 1449 handle = HCID_GET_HANDLE(handle); 1450 1451 btm_process_clk_off_comp_evt(handle, clock_offset); 1452 btm_sec_update_clock_offset(handle, clock_offset); 1453 } 1454 1455 /******************************************************************************* 1456 * 1457 * Function btu_hcif_conn_pkt_type_change_evt 1458 * 1459 * Description Process event HCI_CONN_PKT_TYPE_CHANGE_EVT 1460 * 1461 * Returns void 1462 * 1463 ******************************************************************************/ 1464 static void btu_hcif_conn_pkt_type_change_evt(void) {} 1465 1466 /******************************************************************************* 1467 * 1468 * Function btu_hcif_qos_violation_evt 1469 * 1470 * Description Process event HCI_QOS_VIOLATION_EVT 1471 * 1472 * Returns void 1473 * 1474 ******************************************************************************/ 1475 static void btu_hcif_qos_violation_evt(uint8_t* p) { 1476 uint16_t handle; 1477 1478 STREAM_TO_UINT16(handle, p); 1479 1480 handle = HCID_GET_HANDLE(handle); 1481 1482 l2c_link_hci_qos_violation(handle); 1483 } 1484 1485 /******************************************************************************* 1486 * 1487 * Function btu_hcif_page_scan_mode_change_evt 1488 * 1489 * Description Process event HCI_PAGE_SCAN_MODE_CHANGE_EVT 1490 * 1491 * Returns void 1492 * 1493 ******************************************************************************/ 1494 static void btu_hcif_page_scan_mode_change_evt(void) {} 1495 1496 /******************************************************************************* 1497 * 1498 * Function btu_hcif_page_scan_rep_mode_chng_evt 1499 * 1500 * Description Process event HCI_PAGE_SCAN_REP_MODE_CHNG_EVT 1501 * 1502 * Returns void 1503 * 1504 ******************************************************************************/ 1505 static void btu_hcif_page_scan_rep_mode_chng_evt(void) {} 1506 1507 /********************************************** 1508 * Simple Pairing Events 1509 **********************************************/ 1510 1511 /******************************************************************************* 1512 * 1513 * Function btu_hcif_host_support_evt 1514 * 1515 * Description Process event HCI_RMT_HOST_SUP_FEAT_NOTIFY_EVT 1516 * 1517 * Returns void 1518 * 1519 ******************************************************************************/ 1520 static void btu_hcif_host_support_evt(uint8_t* p) { 1521 btm_sec_rmt_host_support_feat_evt(p); 1522 } 1523 1524 /******************************************************************************* 1525 * 1526 * Function btu_hcif_io_cap_request_evt 1527 * 1528 * Description Process event HCI_IO_CAPABILITY_REQUEST_EVT 1529 * 1530 * Returns void 1531 * 1532 ******************************************************************************/ 1533 static void btu_hcif_io_cap_request_evt(uint8_t* p) { 1534 RawAddress bda; 1535 STREAM_TO_BDADDR(bda, p); 1536 btm_io_capabilities_req(bda); 1537 } 1538 1539 /******************************************************************************* 1540 * 1541 * Function btu_hcif_io_cap_response_evt 1542 * 1543 * Description Process event HCI_IO_CAPABILITY_RESPONSE_EVT 1544 * 1545 * Returns void 1546 * 1547 ******************************************************************************/ 1548 static void btu_hcif_io_cap_response_evt(uint8_t* p) { 1549 btm_io_capabilities_rsp(p); 1550 } 1551 1552 /******************************************************************************* 1553 * 1554 * Function btu_hcif_user_conf_request_evt 1555 * 1556 * Description Process event HCI_USER_CONFIRMATION_REQUEST_EVT 1557 * 1558 * Returns void 1559 * 1560 ******************************************************************************/ 1561 static void btu_hcif_user_conf_request_evt(uint8_t* p) { 1562 btm_proc_sp_req_evt(BTM_SP_CFM_REQ_EVT, p); 1563 } 1564 1565 /******************************************************************************* 1566 * 1567 * Function btu_hcif_user_passkey_request_evt 1568 * 1569 * Description Process event HCI_USER_PASSKEY_REQUEST_EVT 1570 * 1571 * Returns void 1572 * 1573 ******************************************************************************/ 1574 static void btu_hcif_user_passkey_request_evt(uint8_t* p) { 1575 btm_proc_sp_req_evt(BTM_SP_KEY_REQ_EVT, p); 1576 } 1577 1578 /******************************************************************************* 1579 * 1580 * Function btu_hcif_user_passkey_notif_evt 1581 * 1582 * Description Process event HCI_USER_PASSKEY_NOTIFY_EVT 1583 * 1584 * Returns void 1585 * 1586 ******************************************************************************/ 1587 static void btu_hcif_user_passkey_notif_evt(uint8_t* p) { 1588 btm_proc_sp_req_evt(BTM_SP_KEY_NOTIF_EVT, p); 1589 } 1590 1591 /******************************************************************************* 1592 * 1593 * Function btu_hcif_keypress_notif_evt 1594 * 1595 * Description Process event HCI_KEYPRESS_NOTIFY_EVT 1596 * 1597 * Returns void 1598 * 1599 ******************************************************************************/ 1600 static void btu_hcif_keypress_notif_evt(uint8_t* p) { 1601 btm_keypress_notif_evt(p); 1602 } 1603 1604 /******************************************************************************* 1605 * 1606 * Function btu_hcif_rem_oob_request_evt 1607 * 1608 * Description Process event HCI_REMOTE_OOB_DATA_REQUEST_EVT 1609 * 1610 * Returns void 1611 * 1612 ******************************************************************************/ 1613 static void btu_hcif_rem_oob_request_evt(uint8_t* p) { btm_rem_oob_req(p); } 1614 1615 /******************************************************************************* 1616 * 1617 * Function btu_hcif_simple_pair_complete_evt 1618 * 1619 * Description Process event HCI_SIMPLE_PAIRING_COMPLETE_EVT 1620 * 1621 * Returns void 1622 * 1623 ******************************************************************************/ 1624 static void btu_hcif_simple_pair_complete_evt(uint8_t* p) { 1625 btm_simple_pair_complete(p); 1626 } 1627 1628 /******************************************************************************* 1629 * 1630 * Function btu_hcif_enhanced_flush_complete_evt 1631 * 1632 * Description Process event HCI_ENHANCED_FLUSH_COMPLETE_EVT 1633 * 1634 * Returns void 1635 * 1636 ******************************************************************************/ 1637 #if (L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE) 1638 static void btu_hcif_enhanced_flush_complete_evt(void) { 1639 /* This is empty until an upper layer cares about returning event */ 1640 } 1641 #endif 1642 /********************************************** 1643 * End of Simple Pairing Events 1644 **********************************************/ 1645 1646 /********************************************** 1647 * BLE Events 1648 **********************************************/ 1649 static void btu_hcif_encryption_key_refresh_cmpl_evt(uint8_t* p) { 1650 uint8_t status; 1651 uint8_t enc_enable = 0; 1652 uint16_t handle; 1653 1654 STREAM_TO_UINT8(status, p); 1655 STREAM_TO_UINT16(handle, p); 1656 1657 if (status == HCI_SUCCESS) enc_enable = 1; 1658 1659 btm_sec_encrypt_change(handle, status, enc_enable); 1660 } 1661 1662 static void btu_ble_ll_conn_complete_evt(uint8_t* p, uint16_t evt_len) { 1663 btm_ble_conn_complete(p, evt_len, false); 1664 } 1665 #if (BLE_PRIVACY_SPT == TRUE) 1666 static void btu_ble_proc_enhanced_conn_cmpl(uint8_t* p, uint16_t evt_len) { 1667 btm_ble_conn_complete(p, evt_len, true); 1668 } 1669 #endif 1670 1671 extern void gatt_notify_conn_update(uint16_t handle, uint16_t interval, 1672 uint16_t latency, uint16_t timeout, 1673 uint8_t status); 1674 1675 static void btu_ble_ll_conn_param_upd_evt(uint8_t* p, uint16_t evt_len) { 1676 /* LE connection update has completed successfully as a master. */ 1677 /* We can enable the update request if the result is a success. */ 1678 /* extract the HCI handle first */ 1679 uint8_t status; 1680 uint16_t handle; 1681 uint16_t interval; 1682 uint16_t latency; 1683 uint16_t timeout; 1684 1685 STREAM_TO_UINT8(status, p); 1686 STREAM_TO_UINT16(handle, p); 1687 STREAM_TO_UINT16(interval, p); 1688 STREAM_TO_UINT16(latency, p); 1689 STREAM_TO_UINT16(timeout, p); 1690 1691 l2cble_process_conn_update_evt(handle, status, interval, latency, timeout); 1692 1693 gatt_notify_conn_update(handle & 0x0FFF, interval, latency, timeout, status); 1694 } 1695 1696 static void btu_ble_read_remote_feat_evt(uint8_t* p) { 1697 btm_ble_read_remote_features_complete(p); 1698 } 1699 1700 static void btu_ble_proc_ltk_req(uint8_t* p) { 1701 uint16_t ediv, handle; 1702 uint8_t* pp; 1703 1704 STREAM_TO_UINT16(handle, p); 1705 pp = p + 8; 1706 STREAM_TO_UINT16(ediv, pp); 1707 btm_ble_ltk_request(handle, p, ediv); 1708 /* This is empty until an upper layer cares about returning event */ 1709 } 1710 1711 static void btu_ble_data_length_change_evt(uint8_t* p, uint16_t evt_len) { 1712 uint16_t handle; 1713 uint16_t tx_data_len; 1714 uint16_t rx_data_len; 1715 1716 if (!controller_get_interface()->supports_ble_packet_extension()) { 1717 HCI_TRACE_WARNING("%s, request not supported", __func__); 1718 return; 1719 } 1720 1721 STREAM_TO_UINT16(handle, p); 1722 STREAM_TO_UINT16(tx_data_len, p); 1723 p += 2; /* Skip the TxTimer */ 1724 STREAM_TO_UINT16(rx_data_len, p); 1725 1726 l2cble_process_data_length_change_event(handle, tx_data_len, rx_data_len); 1727 } 1728 1729 /********************************************** 1730 * End of BLE Events Handler 1731 **********************************************/ 1732 #if (BLE_LLT_INCLUDED == TRUE) 1733 static void btu_ble_rc_param_req_evt(uint8_t* p) { 1734 uint16_t handle; 1735 uint16_t int_min, int_max, latency, timeout; 1736 1737 STREAM_TO_UINT16(handle, p); 1738 STREAM_TO_UINT16(int_min, p); 1739 STREAM_TO_UINT16(int_max, p); 1740 STREAM_TO_UINT16(latency, p); 1741 STREAM_TO_UINT16(timeout, p); 1742 1743 l2cble_process_rc_param_request_evt(handle, int_min, int_max, latency, 1744 timeout); 1745 } 1746 #endif /* BLE_LLT_INCLUDED */ 1747
