/****************************************************************************** * * Copyright (C) 1999-2012 Broadcom Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /****************************************************************************** * * This file contains functions that interface with the HCI transport. On * the receive side, it routes events to the appropriate handler, e.g. * L2CAP, ScoMgr. On the transmit side, it manages the command * transmission. * ******************************************************************************/ #include <stdlib.h> #include <string.h> #include <stdio.h> #include "gki.h" #include "bt_types.h" #include "hcimsgs.h" #include "btu.h" #include "l2c_int.h" #include "btm_api.h" #include "btm_int.h" // btla-specific ++ #define LOG_TAG "BTLD" #if (defined(ANDROID_APP_INCLUDED) && (ANDROID_APP_INCLUDED == TRUE) && (!defined(LINUX_NATIVE)) ) #include <cutils/log.h> #else #define LOGV(format, ...) fprintf (stdout, LOG_TAG format"\n", ## __VA_ARGS__) #define LOGE(format, ...) fprintf (stderr, LOG_TAG format"\n", ## __VA_ARGS__) #define LOGI(format, ...) fprintf (stdout, LOG_TAG format"\n", ## __VA_ARGS__) #endif // btla-specific ++ /* BTE application task */ #if APPL_INCLUDED == TRUE #include "bte_appl.h" #endif // btla-specific -- //Counter to track number of HCI command timeout static int num_hci_cmds_timed_out; /********************************************************************************/ /* L O C A L F U N C T I O N P R O T O T Y P E S */ /********************************************************************************/ static void btu_hcif_inquiry_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_inquiry_result_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_inquiry_rssi_result_evt (UINT8 *p, UINT16 evt_len); #if (BTM_EIR_CLIENT_INCLUDED == TRUE) static void btu_hcif_extended_inquiry_result_evt (UINT8 *p, UINT16 evt_len); #endif static void btu_hcif_connection_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_connection_request_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_disconnection_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_authentication_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_rmt_name_request_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_encryption_change_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_change_conn_link_key_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_master_link_key_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_read_rmt_features_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_read_rmt_ext_features_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_read_rmt_version_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_qos_setup_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_command_complete_evt (UINT8 controller_id, UINT8 *p, UINT16 evt_len); static void btu_hcif_command_status_evt (UINT8 controller_id, UINT8 *p, UINT16 evt_len); static void btu_hcif_hardware_error_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_flush_occured_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_role_change_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_num_compl_data_pkts_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_mode_change_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_return_link_keys_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_pin_code_request_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_link_key_request_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_link_key_notification_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_loopback_command_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_data_buf_overflow_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_max_slots_changed_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_read_clock_off_comp_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_conn_pkt_type_change_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_qos_violation_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_page_scan_mode_change_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_page_scan_rep_mode_chng_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_esco_connection_comp_evt(UINT8 *p, UINT16 evt_len); static void btu_hcif_esco_connection_chg_evt(UINT8 *p, UINT16 evt_len); /* Simple Pairing Events */ static void btu_hcif_host_support_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_io_cap_request_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_io_cap_response_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_user_conf_request_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_user_passkey_request_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_user_passkey_notif_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_keypress_notif_evt (UINT8 *p, UINT16 evt_len); static void btu_hcif_link_super_tout_evt (UINT8 *p, UINT16 evt_len); #if BTM_OOB_INCLUDED == TRUE static void btu_hcif_rem_oob_request_evt (UINT8 *p, UINT16 evt_len); #endif static void btu_hcif_simple_pair_complete_evt (UINT8 *p, UINT16 evt_len); #if L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE static void btu_hcif_enhanced_flush_complete_evt (UINT8 *p, UINT16 evt_len); #endif #if (BTM_SSR_INCLUDED == TRUE) static void btu_hcif_ssr_evt (UINT8 *p, UINT16 evt_len); #endif /* BTM_SSR_INCLUDED == TRUE */ #if (HID_DEV_INCLUDED == TRUE) && (HID_DEV_PM_INCLUDED == TRUE) extern void hidd_pm_proc_mode_change( UINT8 hci_status, UINT8 mode, UINT16 interval ); #endif #if BLE_INCLUDED == TRUE static void btu_ble_ll_conn_complete_evt (UINT8 *p, UINT16 evt_len); static void btu_ble_process_adv_pkt (UINT8 *p, UINT16 evt_len); static void btu_ble_read_remote_feat_evt (UINT8 *p, UINT16 evt_len); static void btu_ble_ll_conn_param_upd_evt (UINT8 *p, UINT16 evt_len); static void btu_ble_proc_ltk_req (UINT8 *p, UINT16 evt_len); static void btu_hcif_encyption_key_refresh_cmpl_evt (UINT8 *p, UINT16 evt_len); #endif /******************************************************************************* ** ** Function btu_hcif_store_cmd ** ** Description This function stores a copy of an outgoing command and ** and sets a timer waiting for a event in response to the ** command. ** ** Returns void ** *******************************************************************************/ static void btu_hcif_store_cmd (UINT8 controller_id, BT_HDR *p_buf) { tHCI_CMD_CB *p_hci_cmd_cb; UINT16 opcode; BT_HDR *p_cmd; UINT8 *p; /* Validate controller ID */ if (controller_id >= BTU_MAX_LOCAL_CTRLS) return; p_hci_cmd_cb = &(btu_cb.hci_cmd_cb[controller_id]); p = (UINT8 *)(p_buf + 1) + p_buf->offset; /* get command opcode */ STREAM_TO_UINT16 (opcode, p); /* don't do anything for certain commands */ if ((opcode == HCI_RESET) || (opcode == HCI_HOST_NUM_PACKETS_DONE)) { return; } /* allocate buffer (HCI_GET_CMD_BUF will either get a buffer from HCI_CMD_POOL or from 'best-fit' pool) */ if ((p_cmd = HCI_GET_CMD_BUF(p_buf->len + p_buf->offset - HCIC_PREAMBLE_SIZE)) == NULL) { return; } /* copy buffer */ memcpy (p_cmd, p_buf, sizeof(BT_HDR)); /* If vendor specific save the callback function */ if ((opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC #if BLE_INCLUDED == TRUE || (opcode == HCI_BLE_RAND ) || (opcode == HCI_BLE_ENCRYPT) #endif ) { #if 0 BT_TRACE_2 (TRACE_LAYER_HCI, TRACE_TYPE_DEBUG, "Storing VSC callback opcode=0x%04x, Callback function=0x%07x", opcode, *(UINT32 *)(p_buf + 1)); #endif memcpy ((UINT8 *)(p_cmd + 1), (UINT8 *)(p_buf + 1), sizeof(void *)); } memcpy ((UINT8 *)(p_cmd + 1) + p_cmd->offset, (UINT8 *)(p_buf + 1) + p_buf->offset, p_buf->len); /* queue copy of cmd */ GKI_enqueue(&(p_hci_cmd_cb->cmd_cmpl_q), p_cmd); /* start timer */ if (BTU_CMD_CMPL_TIMEOUT > 0) { #if (defined(BTU_CMD_CMPL_TOUT_DOUBLE_CHECK) && BTU_CMD_CMPL_TOUT_DOUBLE_CHECK == TRUE) p_hci_cmd_cb->checked_hcisu = FALSE; #endif btu_start_timer (&(p_hci_cmd_cb->cmd_cmpl_timer), (UINT16)(BTU_TTYPE_BTU_CMD_CMPL + controller_id), BTU_CMD_CMPL_TIMEOUT); } } /******************************************************************************* ** ** Function btu_hcif_process_event ** ** Description This function is called when an event is received from ** the Host Controller. ** ** Returns void ** *******************************************************************************/ void btu_hcif_process_event (UINT8 controller_id, BT_HDR *p_msg) { UINT8 *p = (UINT8 *)(p_msg + 1) + p_msg->offset; UINT8 hci_evt_code, hci_evt_len; #if BLE_INCLUDED == TRUE UINT8 ble_sub_code; #endif STREAM_TO_UINT8 (hci_evt_code, p); STREAM_TO_UINT8 (hci_evt_len, p); switch (hci_evt_code) { case HCI_INQUIRY_COMP_EVT: btu_hcif_inquiry_comp_evt (p, hci_evt_len); break; case HCI_INQUIRY_RESULT_EVT: btu_hcif_inquiry_result_evt (p, hci_evt_len); break; case HCI_INQUIRY_RSSI_RESULT_EVT: btu_hcif_inquiry_rssi_result_evt (p, hci_evt_len); break; #if (BTM_EIR_CLIENT_INCLUDED == TRUE) case HCI_EXTENDED_INQUIRY_RESULT_EVT: btu_hcif_extended_inquiry_result_evt (p, hci_evt_len); break; #endif case HCI_CONNECTION_COMP_EVT: btu_hcif_connection_comp_evt (p, hci_evt_len); break; case HCI_CONNECTION_REQUEST_EVT: btu_hcif_connection_request_evt (p, hci_evt_len); break; case HCI_DISCONNECTION_COMP_EVT: btu_hcif_disconnection_comp_evt (p, hci_evt_len); break; case HCI_AUTHENTICATION_COMP_EVT: btu_hcif_authentication_comp_evt (p, hci_evt_len); break; case HCI_RMT_NAME_REQUEST_COMP_EVT: btu_hcif_rmt_name_request_comp_evt (p, hci_evt_len); break; case HCI_ENCRYPTION_CHANGE_EVT: btu_hcif_encryption_change_evt (p, hci_evt_len); break; #if BLE_INCLUDED == TRUE case HCI_ENCRYPTION_KEY_REFRESH_COMP_EVT: btu_hcif_encyption_key_refresh_cmpl_evt(p, hci_evt_len); break; #endif case HCI_CHANGE_CONN_LINK_KEY_EVT: btu_hcif_change_conn_link_key_evt (p, hci_evt_len); break; case HCI_MASTER_LINK_KEY_COMP_EVT: btu_hcif_master_link_key_comp_evt (p, hci_evt_len); break; case HCI_READ_RMT_FEATURES_COMP_EVT: btu_hcif_read_rmt_features_comp_evt (p, hci_evt_len); break; case HCI_READ_RMT_EXT_FEATURES_COMP_EVT: btu_hcif_read_rmt_ext_features_comp_evt (p, hci_evt_len); break; case HCI_READ_RMT_VERSION_COMP_EVT: btu_hcif_read_rmt_version_comp_evt (p, hci_evt_len); break; case HCI_QOS_SETUP_COMP_EVT: btu_hcif_qos_setup_comp_evt (p, hci_evt_len); break; case HCI_COMMAND_COMPLETE_EVT: btu_hcif_command_complete_evt (controller_id, p, hci_evt_len); break; case HCI_COMMAND_STATUS_EVT: btu_hcif_command_status_evt (controller_id, p, hci_evt_len); break; case HCI_HARDWARE_ERROR_EVT: btu_hcif_hardware_error_evt (p, hci_evt_len); break; case HCI_FLUSH_OCCURED_EVT: btu_hcif_flush_occured_evt (p, hci_evt_len); break; case HCI_ROLE_CHANGE_EVT: btu_hcif_role_change_evt (p, hci_evt_len); break; case HCI_NUM_COMPL_DATA_PKTS_EVT: btu_hcif_num_compl_data_pkts_evt (p, hci_evt_len); break; case HCI_MODE_CHANGE_EVT: btu_hcif_mode_change_evt (p, hci_evt_len); break; case HCI_RETURN_LINK_KEYS_EVT: btu_hcif_return_link_keys_evt (p, hci_evt_len); break; case HCI_PIN_CODE_REQUEST_EVT: btu_hcif_pin_code_request_evt (p, hci_evt_len); break; case HCI_LINK_KEY_REQUEST_EVT: btu_hcif_link_key_request_evt (p, hci_evt_len); break; case HCI_LINK_KEY_NOTIFICATION_EVT: btu_hcif_link_key_notification_evt (p, hci_evt_len); break; case HCI_LOOPBACK_COMMAND_EVT: btu_hcif_loopback_command_evt (p, hci_evt_len); break; case HCI_DATA_BUF_OVERFLOW_EVT: btu_hcif_data_buf_overflow_evt (p, hci_evt_len); break; case HCI_MAX_SLOTS_CHANGED_EVT: btu_hcif_max_slots_changed_evt (p, hci_evt_len); break; case HCI_READ_CLOCK_OFF_COMP_EVT: btu_hcif_read_clock_off_comp_evt (p, hci_evt_len); break; case HCI_CONN_PKT_TYPE_CHANGE_EVT: btu_hcif_conn_pkt_type_change_evt (p, hci_evt_len); break; case HCI_QOS_VIOLATION_EVT: btu_hcif_qos_violation_evt (p, hci_evt_len); break; case HCI_PAGE_SCAN_MODE_CHANGE_EVT: btu_hcif_page_scan_mode_change_evt (p, hci_evt_len); break; case HCI_PAGE_SCAN_REP_MODE_CHNG_EVT: btu_hcif_page_scan_rep_mode_chng_evt (p, hci_evt_len); break; case HCI_ESCO_CONNECTION_COMP_EVT: btu_hcif_esco_connection_comp_evt (p, hci_evt_len); break; case HCI_ESCO_CONNECTION_CHANGED_EVT: btu_hcif_esco_connection_chg_evt (p, hci_evt_len); break; #if (BTM_SSR_INCLUDED == TRUE) case HCI_SNIFF_SUB_RATE_EVT: btu_hcif_ssr_evt (p, hci_evt_len); break; #endif /* BTM_SSR_INCLUDED == TRUE */ case HCI_RMT_HOST_SUP_FEAT_NOTIFY_EVT: btu_hcif_host_support_evt (p, hci_evt_len); break; case HCI_IO_CAPABILITY_REQUEST_EVT: btu_hcif_io_cap_request_evt (p, hci_evt_len); break; case HCI_IO_CAPABILITY_RESPONSE_EVT: btu_hcif_io_cap_response_evt (p, hci_evt_len); break; case HCI_USER_CONFIRMATION_REQUEST_EVT: btu_hcif_user_conf_request_evt (p, hci_evt_len); break; case HCI_USER_PASSKEY_REQUEST_EVT: btu_hcif_user_passkey_request_evt (p, hci_evt_len); break; #if BTM_OOB_INCLUDED == TRUE case HCI_REMOTE_OOB_DATA_REQUEST_EVT: btu_hcif_rem_oob_request_evt (p, hci_evt_len); break; #endif case HCI_SIMPLE_PAIRING_COMPLETE_EVT: btu_hcif_simple_pair_complete_evt (p, hci_evt_len); break; case HCI_USER_PASSKEY_NOTIFY_EVT: btu_hcif_user_passkey_notif_evt (p, hci_evt_len); break; case HCI_KEYPRESS_NOTIFY_EVT: btu_hcif_keypress_notif_evt (p, hci_evt_len); break; case HCI_LINK_SUPER_TOUT_CHANGED_EVT: btu_hcif_link_super_tout_evt (p, hci_evt_len); break; #if L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE case HCI_ENHANCED_FLUSH_COMPLETE_EVT: btu_hcif_enhanced_flush_complete_evt (p, hci_evt_len); break; #endif #if (BLE_INCLUDED == TRUE) case HCI_BLE_EVENT: STREAM_TO_UINT8 (ble_sub_code, p); BT_TRACE_2 (TRACE_LAYER_HCI, TRACE_TYPE_EVENT, "BLE HCI(id=%d) event = 0x%02x)", hci_evt_code, ble_sub_code); switch (ble_sub_code) { case HCI_BLE_ADV_PKT_RPT_EVT: /* result of inquiry */ btu_ble_process_adv_pkt(p, hci_evt_len); break; case HCI_BLE_CONN_COMPLETE_EVT: btu_ble_ll_conn_complete_evt(p, hci_evt_len); break; case HCI_BLE_LL_CONN_PARAM_UPD_EVT: btu_ble_ll_conn_param_upd_evt(p, hci_evt_len); break; case HCI_BLE_READ_REMOTE_FEAT_CMPL_EVT: btu_ble_read_remote_feat_evt(p, hci_evt_len); break; case HCI_BLE_LTK_REQ_EVT: /* received only at slave device */ btu_ble_proc_ltk_req(p, hci_evt_len); break; } break; #endif /* BLE_INCLUDED */ case HCI_VENDOR_SPECIFIC_EVT: btm_vendor_specific_evt (p, hci_evt_len); break; } // reset the num_hci_cmds_timed_out upon receving any event from controller. num_hci_cmds_timed_out = 0; } /******************************************************************************* ** ** Function btu_hcif_send_cmd ** ** Description This function is called to check if it can send commands ** to the Host Controller. It may be passed the address of ** a packet to send. ** ** Returns void ** *******************************************************************************/ void btu_hcif_send_cmd (UINT8 controller_id, BT_HDR *p_buf) { tHCI_CMD_CB * p_hci_cmd_cb = &(btu_cb.hci_cmd_cb[controller_id]); #if ((L2CAP_HOST_FLOW_CTRL == TRUE)||defined(HCI_TESTER)) UINT8 *pp; UINT16 code; #endif /* If there are already commands in the queue, then enqueue this command */ if ((p_buf) && (p_hci_cmd_cb->cmd_xmit_q.count)) { GKI_enqueue (&(p_hci_cmd_cb->cmd_xmit_q), p_buf); p_buf = NULL; } /* Allow for startup case, where no acks may be received */ if ( ((controller_id == LOCAL_BR_EDR_CONTROLLER_ID) && (p_hci_cmd_cb->cmd_window == 0) && (btm_cb.devcb.state == BTM_DEV_STATE_WAIT_RESET_CMPLT)) ) { p_hci_cmd_cb->cmd_window = p_hci_cmd_cb->cmd_xmit_q.count + 1; } /* See if we can send anything */ while (p_hci_cmd_cb->cmd_window != 0) { if (!p_buf) p_buf = (BT_HDR *)GKI_dequeue (&(p_hci_cmd_cb->cmd_xmit_q)); if (p_buf) { btu_hcif_store_cmd(controller_id, p_buf); #if ((L2CAP_HOST_FLOW_CTRL == TRUE)||defined(HCI_TESTER)) pp = (UINT8 *)(p_buf + 1) + p_buf->offset; STREAM_TO_UINT16 (code, pp); /* * We do not need to decrease window for host flow control, * host flow control does not receive an event back from controller */ if (code != HCI_HOST_NUM_PACKETS_DONE) #endif p_hci_cmd_cb->cmd_window--; if (controller_id == LOCAL_BR_EDR_CONTROLLER_ID) { HCI_CMD_TO_LOWER(p_buf); } else { /* Unknown controller */ BT_TRACE_1 (TRACE_LAYER_HCI, TRACE_TYPE_WARNING, "BTU HCI(ctrl id=%d) controller ID not recognized", controller_id); GKI_freebuf(p_buf);; } p_buf = NULL; } else break; } if (p_buf) GKI_enqueue (&(p_hci_cmd_cb->cmd_xmit_q), p_buf); #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE) if (controller_id == LOCAL_BR_EDR_CONTROLLER_ID) { /* check if controller can go to sleep */ btu_check_bt_sleep (); } #endif } /******************************************************************************* ** ** Function btu_hcif_send_host_rdy_for_data ** ** Description This function is called to check if it can send commands ** to the Host Controller. It may be passed the address of ** a packet to send. ** ** Returns void ** *******************************************************************************/ void btu_hcif_send_host_rdy_for_data(void) { UINT16 num_pkts[MAX_L2CAP_LINKS + 4]; /* 3 SCO connections */ UINT16 handles[MAX_L2CAP_LINKS + 4]; UINT8 num_ents; /* Get the L2CAP numbers */ num_ents = l2c_link_pkts_rcvd (num_pkts, handles); /* Get the SCO numbers */ /* No SCO for now ?? */ if (num_ents) { btsnd_hcic_host_num_xmitted_pkts (num_ents, handles, num_pkts); } } /******************************************************************************* ** ** Function btu_hcif_inquiry_comp_evt ** ** Description Process event HCI_INQUIRY_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_inquiry_comp_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; STREAM_TO_UINT8 (status, p); /* Tell inquiry processing that we are done */ btm_process_inq_complete(status, BTM_BR_INQUIRY_MASK); } /******************************************************************************* ** ** Function btu_hcif_inquiry_result_evt ** ** Description Process event HCI_INQUIRY_RESULT_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_inquiry_result_evt (UINT8 *p, UINT16 evt_len) { /* Store results in the cache */ btm_process_inq_results (p, BTM_INQ_RESULT_STANDARD); } /******************************************************************************* ** ** Function btu_hcif_inquiry_rssi_result_evt ** ** Description Process event HCI_INQUIRY_RSSI_RESULT_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_inquiry_rssi_result_evt (UINT8 *p, UINT16 evt_len) { /* Store results in the cache */ btm_process_inq_results (p, BTM_INQ_RESULT_WITH_RSSI); } /******************************************************************************* ** ** Function btu_hcif_extended_inquiry_result_evt ** ** Description Process event HCI_EXTENDED_INQUIRY_RESULT_EVT ** ** Returns void ** *******************************************************************************/ #if (BTM_EIR_CLIENT_INCLUDED == TRUE) static void btu_hcif_extended_inquiry_result_evt (UINT8 *p, UINT16 evt_len) { /* Store results in the cache */ btm_process_inq_results (p, BTM_INQ_RESULT_EXTENDED); } #endif /******************************************************************************* ** ** Function btu_hcif_connection_comp_evt ** ** Description Process event HCI_CONNECTION_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_connection_comp_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT16 handle; BD_ADDR bda; UINT8 link_type; UINT8 enc_mode; #if BTM_SCO_INCLUDED == TRUE tBTM_ESCO_DATA esco_data; #endif STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); STREAM_TO_BDADDR (bda, p); STREAM_TO_UINT8 (link_type, p); STREAM_TO_UINT8 (enc_mode, p); handle = HCID_GET_HANDLE (handle); if (link_type == HCI_LINK_TYPE_ACL) { btm_sec_connected (bda, handle, status, enc_mode); l2c_link_hci_conn_comp (status, handle, bda); } #if BTM_SCO_INCLUDED == TRUE else { memset(&esco_data, 0, sizeof(tBTM_ESCO_DATA)); /* esco_data.link_type = HCI_LINK_TYPE_SCO; already zero */ memcpy (esco_data.bd_addr, bda, BD_ADDR_LEN); btm_sco_connected (status, bda, handle, &esco_data); } #endif /* BTM_SCO_INCLUDED */ } /******************************************************************************* ** ** Function btu_hcif_connection_request_evt ** ** Description Process event HCI_CONNECTION_REQUEST_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_connection_request_evt (UINT8 *p, UINT16 evt_len) { BD_ADDR bda; DEV_CLASS dc; UINT8 link_type; STREAM_TO_BDADDR (bda, p); STREAM_TO_DEVCLASS (dc, p); STREAM_TO_UINT8 (link_type, p); /* Pass request to security manager to check connect filters before */ /* passing request to l2cap */ if (link_type == HCI_LINK_TYPE_ACL) { btm_sec_conn_req (bda, dc); } #if BTM_SCO_INCLUDED == TRUE else { btm_sco_conn_req (bda, dc, link_type); } #endif /* BTM_SCO_INCLUDED */ } /******************************************************************************* ** ** Function btu_hcif_disconnection_comp_evt ** ** Description Process event HCI_DISCONNECTION_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_disconnection_comp_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT16 handle; UINT8 reason; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); STREAM_TO_UINT8 (reason, p); handle = HCID_GET_HANDLE (handle); #if BTM_SCO_INCLUDED == TRUE /* If L2CAP doesn't know about it, send it to SCO */ if (!l2c_link_hci_disc_comp (handle, reason)) btm_sco_removed (handle, reason); #else l2c_link_hci_disc_comp (handle, reason); #endif /* BTM_SCO_INCLUDED */ /* Notify security manager */ btm_sec_disconnected (handle, reason); } /******************************************************************************* ** ** Function btu_hcif_authentication_comp_evt ** ** Description Process event HCI_AUTHENTICATION_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_authentication_comp_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT16 handle; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); btm_sec_auth_complete (handle, status); } /******************************************************************************* ** ** Function btu_hcif_rmt_name_request_comp_evt ** ** Description Process event HCI_RMT_NAME_REQUEST_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_rmt_name_request_comp_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; BD_ADDR bd_addr; STREAM_TO_UINT8 (status, p); STREAM_TO_BDADDR (bd_addr, p); evt_len -= (1 + BD_ADDR_LEN); btm_process_remote_name (bd_addr, p, evt_len, status); btm_sec_rmt_name_request_complete (bd_addr, p, status); } /******************************************************************************* ** ** Function btu_hcif_encryption_change_evt ** ** Description Process event HCI_ENCRYPTION_CHANGE_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_encryption_change_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT16 handle; UINT8 encr_enable; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); STREAM_TO_UINT8 (encr_enable, p); btm_acl_encrypt_change (handle, status, encr_enable); btm_sec_encrypt_change (handle, status, encr_enable); } /******************************************************************************* ** ** Function btu_hcif_change_conn_link_key_evt ** ** Description Process event HCI_CHANGE_CONN_LINK_KEY_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_change_conn_link_key_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT16 handle; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); btm_acl_link_key_change (handle, status); } /******************************************************************************* ** ** Function btu_hcif_master_link_key_comp_evt ** ** Description Process event HCI_MASTER_LINK_KEY_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_master_link_key_comp_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT16 handle; UINT8 key_flg; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); STREAM_TO_UINT8 (key_flg, p); btm_sec_mkey_comp_event (handle, status, key_flg); } /******************************************************************************* ** ** Function btu_hcif_read_rmt_features_comp_evt ** ** Description Process event HCI_READ_RMT_FEATURES_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_read_rmt_features_comp_evt (UINT8 *p, UINT16 evt_len) { btm_read_remote_features_complete(p); } /******************************************************************************* ** ** Function btu_hcif_read_rmt_ext_features_comp_evt ** ** Description Process event HCI_READ_RMT_EXT_FEATURES_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_read_rmt_ext_features_comp_evt (UINT8 *p, UINT16 evt_len) { UINT8 *p_cur = p; UINT8 status; UINT16 handle; STREAM_TO_UINT8 (status, p_cur); if (status == HCI_SUCCESS) btm_read_remote_ext_features_complete(p); else { STREAM_TO_UINT16 (handle, p_cur); btm_read_remote_ext_features_failed(status, handle); } } /******************************************************************************* ** ** Function btu_hcif_read_rmt_version_comp_evt ** ** Description Process event HCI_READ_RMT_VERSION_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_read_rmt_version_comp_evt (UINT8 *p, UINT16 evt_len) { btm_read_remote_version_complete (p); } /******************************************************************************* ** ** Function btu_hcif_qos_setup_comp_evt ** ** Description Process event HCI_QOS_SETUP_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_qos_setup_comp_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT16 handle; FLOW_SPEC flow; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); STREAM_TO_UINT8 (flow.qos_flags, p); STREAM_TO_UINT8 (flow.service_type, p); STREAM_TO_UINT32 (flow.token_rate, p); STREAM_TO_UINT32 (flow.peak_bandwidth, p); STREAM_TO_UINT32 (flow.latency, p); STREAM_TO_UINT32 (flow.delay_variation, p); btm_qos_setup_complete(status, handle, &flow); } /******************************************************************************* ** ** Function btu_hcif_esco_connection_comp_evt ** ** Description Process event HCI_ESCO_CONNECTION_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_esco_connection_comp_evt (UINT8 *p, UINT16 evt_len) { #if BTM_SCO_INCLUDED == TRUE tBTM_ESCO_DATA data; UINT16 handle; BD_ADDR bda; UINT8 status; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); STREAM_TO_BDADDR (bda, p); STREAM_TO_UINT8 (data.link_type, p); STREAM_TO_UINT8 (data.tx_interval, p); STREAM_TO_UINT8 (data.retrans_window, p); STREAM_TO_UINT16 (data.rx_pkt_len, p); STREAM_TO_UINT16 (data.tx_pkt_len, p); STREAM_TO_UINT8 (data.air_mode, p); memcpy (data.bd_addr, bda, BD_ADDR_LEN); btm_sco_connected (status, bda, handle, &data); #endif } /******************************************************************************* ** ** Function btu_hcif_esco_connection_chg_evt ** ** Description Process event HCI_ESCO_CONNECTION_CHANGED_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_esco_connection_chg_evt (UINT8 *p, UINT16 evt_len) { #if BTM_SCO_INCLUDED == TRUE UINT16 handle; UINT16 tx_pkt_len; UINT16 rx_pkt_len; UINT8 status; UINT8 tx_interval; UINT8 retrans_window; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); STREAM_TO_UINT8 (tx_interval, p); STREAM_TO_UINT8 (retrans_window, p); STREAM_TO_UINT16 (rx_pkt_len, p); STREAM_TO_UINT16 (tx_pkt_len, p); btm_esco_proc_conn_chg (status, handle, tx_interval, retrans_window, rx_pkt_len, tx_pkt_len); #endif } /******************************************************************************* ** ** Function btu_hcif_hdl_command_complete ** ** Description Handle command complete event ** ** Returns void ** *******************************************************************************/ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_len, void *p_cplt_cback, UINT8 ctr_id) { switch (opcode) { case HCI_RESET: btm_reset_complete (); /* BR/EDR */ break; case HCI_INQUIRY_CANCEL: /* Tell inquiry processing that we are done */ btm_process_cancel_complete(HCI_SUCCESS, BTM_BR_INQUIRY_MASK); break; case HCI_SET_EVENT_FILTER: btm_event_filter_complete (p); break; case HCI_READ_STORED_LINK_KEY: btm_read_stored_link_key_complete (p); break; case HCI_WRITE_STORED_LINK_KEY: btm_write_stored_link_key_complete (p); break; case HCI_DELETE_STORED_LINK_KEY: btm_delete_stored_link_key_complete (p); break; case HCI_READ_LOCAL_VERSION_INFO: btm_read_local_version_complete (p, evt_len); break; case HCI_READ_POLICY_SETTINGS: btm_read_link_policy_complete (p); break; case HCI_READ_BUFFER_SIZE: btm_read_hci_buf_size_complete (p, evt_len); break; case HCI_READ_LOCAL_SUPPORTED_CMDS: btm_read_local_supported_cmds_complete (p); break; case HCI_READ_LOCAL_FEATURES: btm_read_local_features_complete (p, evt_len); break; case HCI_READ_LOCAL_EXT_FEATURES: btm_read_local_ext_features_complete (p, evt_len); break; case HCI_READ_LOCAL_NAME: btm_read_local_name_complete (p, evt_len); break; case HCI_READ_BD_ADDR: btm_read_local_addr_complete (p, evt_len); break; case HCI_GET_LINK_QUALITY: btm_read_link_quality_complete (p); break; case HCI_READ_RSSI: btm_read_rssi_complete (p); break; case HCI_READ_TRANSMIT_POWER_LEVEL: btm_read_tx_power_complete(p, FALSE); break; case HCI_CREATE_CONNECTION_CANCEL: btm_create_conn_cancel_complete(p); break; case HCI_READ_LOCAL_OOB_DATA: #if BTM_OOB_INCLUDED == TRUE btm_read_local_oob_complete(p); #endif break; case HCI_READ_INQ_TX_POWER_LEVEL: btm_read_linq_tx_power_complete (p); break; case HCI_WRITE_SIMPLE_PAIRING_MODE: btm_write_simple_paring_mode_complete (p); break; case HCI_WRITE_LE_HOST_SUPPORTED: btm_write_le_host_supported_complete (p); break; #if (BLE_INCLUDED == TRUE) /* BLE Commands */ case HCI_BLE_READ_WHITE_LIST_SIZE : btm_read_white_list_size_complete(p, evt_len); break; case HCI_BLE_ADD_WHITE_LIST: btm_ble_add_2_white_list_complete(*p); break; case HCI_BLE_CLEAR_WHITE_LIST: btm_ble_clear_white_list_complete(p, evt_len); break; case HCI_BLE_REMOVE_WHITE_LIST: btm_ble_remove_from_white_list_complete(p, evt_len); break; case HCI_BLE_RAND: case HCI_BLE_ENCRYPT: btm_ble_rand_enc_complete (p, opcode, (tBTM_RAND_ENC_CB *)p_cplt_cback); break; case HCI_BLE_READ_BUFFER_SIZE: btm_read_ble_buf_size_complete(p, evt_len); break; case HCI_BLE_READ_LOCAL_SPT_FEAT: btm_read_ble_local_supported_features_complete(p, evt_len); break; case HCI_BLE_READ_ADV_CHNL_TX_POWER: btm_read_tx_power_complete(p, TRUE); break; case HCI_BLE_WRITE_ADV_ENABLE: btm_ble_write_adv_enable_complete(p); break; case HCI_BLE_TRANSMITTER_TEST: case HCI_BLE_RECEIVER_TEST: case HCI_BLE_TEST_END: btm_ble_test_command_complete(p); break; #endif /* (BLE_INCLUDED == TRUE) */ default: if ((opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC) btm_vsc_complete (p, opcode, evt_len, (tBTM_CMPL_CB *)p_cplt_cback); break; } } /******************************************************************************* ** ** Function btu_hcif_command_complete_evt ** ** Description Process event HCI_COMMAND_COMPLETE_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_command_complete_evt (UINT8 controller_id, UINT8 *p, UINT16 evt_len) { tHCI_CMD_CB *p_hci_cmd_cb = &(btu_cb.hci_cmd_cb[controller_id]); UINT16 cc_opcode; BT_HDR *p_cmd; void *p_cplt_cback = NULL; STREAM_TO_UINT8 (p_hci_cmd_cb->cmd_window, p); #if (defined(HCI_MAX_SIMUL_CMDS) && (HCI_MAX_SIMUL_CMDS > 0)) if (p_hci_cmd_cb->cmd_window > HCI_MAX_SIMUL_CMDS) p_hci_cmd_cb->cmd_window = HCI_MAX_SIMUL_CMDS; #endif STREAM_TO_UINT16 (cc_opcode, p); evt_len -= 3; /* only do this for certain commands */ if ((cc_opcode != HCI_RESET) && (cc_opcode != HCI_HOST_NUM_PACKETS_DONE) && (cc_opcode != HCI_COMMAND_NONE)) { /* dequeue and free stored command */ /* always use cmd code check, when one cmd timeout waiting for cmd_cmpl, it'll cause the rest of the command goes in wrong order */ p_cmd = (BT_HDR *) GKI_getfirst (&p_hci_cmd_cb->cmd_cmpl_q); while (p_cmd) { UINT16 opcode_dequeued; UINT8 *p_dequeued; /* Make sure dequeued command is for the command_cplt received */ p_dequeued = (UINT8 *)(p_cmd + 1) + p_cmd->offset; STREAM_TO_UINT16 (opcode_dequeued, p_dequeued); if (opcode_dequeued != cc_opcode) { /* opcode does not match, check next command in the queue */ p_cmd = (BT_HDR *) GKI_getnext(p_cmd); continue; } GKI_remove_from_queue(&p_hci_cmd_cb->cmd_cmpl_q, p_cmd); /* If command was a VSC, then extract command_complete callback */ if ((cc_opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC #if BLE_INCLUDED == TRUE || (cc_opcode == HCI_BLE_RAND ) || (cc_opcode == HCI_BLE_ENCRYPT) #endif ) { p_cplt_cback = *((void **)(p_cmd + 1)); } GKI_freebuf (p_cmd); break; } /* if more commands in queue restart timer */ if (BTU_CMD_CMPL_TIMEOUT > 0) { if (!GKI_queue_is_empty (&(p_hci_cmd_cb->cmd_cmpl_q))) { #if (defined(BTU_CMD_CMPL_TOUT_DOUBLE_CHECK) && BTU_CMD_CMPL_TOUT_DOUBLE_CHECK == TRUE) p_hci_cmd_cb->checked_hcisu = FALSE; #endif btu_start_timer (&(p_hci_cmd_cb->cmd_cmpl_timer), (UINT16)(BTU_TTYPE_BTU_CMD_CMPL + controller_id), BTU_CMD_CMPL_TIMEOUT); } else { btu_stop_timer (&(p_hci_cmd_cb->cmd_cmpl_timer)); } } } /* handle event */ btu_hcif_hdl_command_complete (cc_opcode, p, evt_len, p_cplt_cback, controller_id); /* see if we can send more commands */ btu_hcif_send_cmd (controller_id, NULL); } /******************************************************************************* ** ** Function btu_hcif_hdl_command_status ** ** Description Handle a command status event ** ** Returns void ** *******************************************************************************/ static void btu_hcif_hdl_command_status (UINT16 opcode, UINT8 status, UINT8 *p_cmd, void *p_vsc_status_cback, UINT8 controller_id) { BD_ADDR bd_addr; UINT16 handle; #if BTM_SCO_INCLUDED == TRUE tBTM_ESCO_DATA esco_data; #endif #if BTM_PWR_MGR_INCLUDED == TRUE switch (opcode) { case HCI_EXIT_SNIFF_MODE: case HCI_EXIT_PARK_MODE: #if BTM_SCO_WAKE_PARKED_LINK == TRUE if (status != HCI_SUCCESS) { /* Allow SCO initiation to continue if waiting for change mode event */ if (p_cmd != NULL) { p_cmd++; /* bypass length field */ STREAM_TO_UINT16 (handle, p_cmd); btm_sco_chk_pend_unpark (status, handle); } } #endif /* Case Falls Through */ case HCI_HOLD_MODE: case HCI_SNIFF_MODE: case HCI_PARK_MODE: btm_pm_proc_cmd_status(status); break; default: #endif /* BTM_PWR_MGR_INCLUDED */ /* If command failed to start, we may need to tell BTM */ if (status != HCI_SUCCESS) { switch (opcode) { case HCI_INQUIRY: /* Tell inquiry processing that we are done */ btm_process_inq_complete(status, BTM_BR_INQUIRY_MASK); break; case HCI_RMT_NAME_REQUEST: /* Tell inquiry processing that we are done */ btm_process_remote_name (NULL, NULL, 0, status); btm_sec_rmt_name_request_complete (NULL, NULL, status); break; case HCI_CHANGE_CONN_LINK_KEY: /* Let host know we're done with error */ /* read handle out of stored command */ if (p_cmd != NULL) { p_cmd++; STREAM_TO_UINT16 (handle, p_cmd); btm_acl_link_key_change (handle, status); } break; case HCI_QOS_SETUP_COMP_EVT: /* Tell qos setup that we are done */ btm_qos_setup_complete(status,0,NULL); break; case HCI_SWITCH_ROLE: /* Tell BTM that the command failed */ /* read bd addr out of stored command */ if (p_cmd != NULL) { p_cmd++; STREAM_TO_BDADDR (bd_addr, p_cmd); btm_acl_role_changed(status, bd_addr, BTM_ROLE_UNDEFINED); } else btm_acl_role_changed(status, NULL, BTM_ROLE_UNDEFINED); l2c_link_role_changed (NULL, BTM_ROLE_UNDEFINED, HCI_ERR_COMMAND_DISALLOWED); break; case HCI_CREATE_CONNECTION: /* read bd addr out of stored command */ if (p_cmd != NULL) { p_cmd++; STREAM_TO_BDADDR (bd_addr, p_cmd); btm_sec_connected (bd_addr, HCI_INVALID_HANDLE, status, 0); l2c_link_hci_conn_comp (status, HCI_INVALID_HANDLE, bd_addr); } break; case HCI_READ_RMT_EXT_FEATURES: if (p_cmd != NULL) { p_cmd++; /* skip command length */ STREAM_TO_UINT16 (handle, p_cmd); } else handle = HCI_INVALID_HANDLE; btm_read_remote_ext_features_failed(status, handle); break; case HCI_AUTHENTICATION_REQUESTED: /* Device refused to start authentication. That should be treated as authentication failure. */ btm_sec_auth_complete (BTM_INVALID_HCI_HANDLE, status); break; case HCI_SET_CONN_ENCRYPTION: /* Device refused to start encryption. That should be treated as encryption failure. */ btm_sec_encrypt_change (BTM_INVALID_HCI_HANDLE, status, FALSE); break; #if BTM_SCO_INCLUDED == TRUE case HCI_SETUP_ESCO_CONNECTION: /* read handle out of stored command */ if (p_cmd != NULL) { p_cmd++; STREAM_TO_UINT16 (handle, p_cmd); /* Determine if initial connection failed or is a change of setup */ if (btm_is_sco_active(handle)) btm_esco_proc_conn_chg (status, handle, 0, 0, 0, 0); else btm_sco_connected (status, NULL, handle, &esco_data); } break; #endif /* This is commented out until an upper layer cares about returning event #if L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE case HCI_ENHANCED_FLUSH: break; #endif */ default: if ((opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC) btm_vsc_complete (&status, opcode, 1, (tBTM_CMPL_CB *)p_vsc_status_cback); break; } } else { if ((opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC) btm_vsc_complete (&status, opcode, 1, (tBTM_CMPL_CB *)p_vsc_status_cback); } #if BTM_PWR_MGR_INCLUDED == TRUE } #endif } /******************************************************************************* ** ** Function btu_hcif_command_status_evt ** ** Description Process event HCI_COMMAND_STATUS_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_command_status_evt (UINT8 controller_id, UINT8 *p, UINT16 evt_len) { tHCI_CMD_CB * p_hci_cmd_cb = &(btu_cb.hci_cmd_cb[controller_id]); UINT8 status; UINT16 opcode; UINT16 cmd_opcode; BT_HDR *p_cmd = NULL; UINT8 *p_data = NULL; void *p_vsc_status_cback = NULL; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT8 (p_hci_cmd_cb->cmd_window, p); #if (defined(HCI_MAX_SIMUL_CMDS) && (HCI_MAX_SIMUL_CMDS > 0)) if (p_hci_cmd_cb->cmd_window > HCI_MAX_SIMUL_CMDS) p_hci_cmd_cb->cmd_window = HCI_MAX_SIMUL_CMDS; #endif STREAM_TO_UINT16 (opcode, p); /* only do this for certain commands */ if ((opcode != HCI_RESET) && (opcode != HCI_HOST_NUM_PACKETS_DONE) && (opcode != HCI_COMMAND_NONE)) { /*look for corresponding command in cmd_queue*/ p_cmd = (BT_HDR *) GKI_getfirst(&(p_hci_cmd_cb->cmd_cmpl_q)); while (p_cmd) { p_data = (UINT8 *)(p_cmd + 1) + p_cmd->offset; STREAM_TO_UINT16 (cmd_opcode, p_data); /* Make sure this command is for the command_status received */ if (cmd_opcode != opcode) { /* opcode does not match, check next command in the queue */ p_cmd = (BT_HDR *) GKI_getnext(p_cmd); continue; } else { GKI_remove_from_queue(&p_hci_cmd_cb->cmd_cmpl_q, p_cmd); /* If command was a VSC, then extract command_status callback */ if ((cmd_opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC) { p_vsc_status_cback = *((void **)(p_cmd + 1)); } break; } } /* if more commands in queue restart timer */ if (BTU_CMD_CMPL_TIMEOUT > 0) { if (!GKI_queue_is_empty (&(p_hci_cmd_cb->cmd_cmpl_q))) { #if (defined(BTU_CMD_CMPL_TOUT_DOUBLE_CHECK) && BTU_CMD_CMPL_TOUT_DOUBLE_CHECK == TRUE) p_hci_cmd_cb->checked_hcisu = FALSE; #endif btu_start_timer (&(p_hci_cmd_cb->cmd_cmpl_timer), (UINT16)(BTU_TTYPE_BTU_CMD_CMPL + controller_id), BTU_CMD_CMPL_TIMEOUT); } else { btu_stop_timer (&(p_hci_cmd_cb->cmd_cmpl_timer)); } } } /* handle command */ btu_hcif_hdl_command_status (opcode, status, p_data, p_vsc_status_cback, controller_id); /* free stored command */ if (p_cmd != NULL) { GKI_freebuf (p_cmd); } else { BT_TRACE_1 (TRACE_LAYER_HCI, TRACE_TYPE_WARNING, "No command in queue matching opcode %d", opcode); } /* See if we can forward any more commands */ btu_hcif_send_cmd (controller_id, NULL); } /******************************************************************************* ** ** Function btu_hcif_cmd_timeout ** ** Description Handle a command timeout ** ** Returns void ** *******************************************************************************/ void btu_hcif_cmd_timeout (UINT8 controller_id) { tHCI_CMD_CB * p_hci_cmd_cb = &(btu_cb.hci_cmd_cb[controller_id]); BT_HDR *p_cmd; UINT8 *p; void *p_cplt_cback = NULL; UINT16 opcode; UINT16 event; #if (defined(BTU_CMD_CMPL_TOUT_DOUBLE_CHECK) && BTU_CMD_CMPL_TOUT_DOUBLE_CHECK == TRUE) if (!(p_hci_cmd_cb->checked_hcisu)) { BT_TRACE_1 (TRACE_LAYER_HCI, TRACE_TYPE_WARNING, "BTU HCI(id=%d) command timeout - double check HCISU", controller_id); /* trigger HCISU to read any pending data in transport buffer */ GKI_send_event(HCISU_TASK, HCISU_EVT_MASK); btu_start_timer (&(p_hci_cmd_cb->cmd_cmpl_timer), (UINT16)(BTU_TTYPE_BTU_CMD_CMPL + controller_id), 2); /* start short timer, if timer is set to 1 then it could expire before HCISU checks. */ p_hci_cmd_cb->checked_hcisu = TRUE; return; } #endif /* set the controller cmd window to 1, as if we received a response, so ** the flow of commands from the stack doesn't hang */ p_hci_cmd_cb->cmd_window = 1; /* get queued command */ if ((p_cmd = (BT_HDR *) GKI_dequeue (&(p_hci_cmd_cb->cmd_cmpl_q))) == NULL) { BT_TRACE_0 (TRACE_LAYER_HCI, TRACE_TYPE_WARNING, "Cmd timeout; no cmd in queue"); return; } /* if more commands in queue restart timer */ if (BTU_CMD_CMPL_TIMEOUT > 0) { if (!GKI_queue_is_empty (&(p_hci_cmd_cb->cmd_cmpl_q))) { #if (defined(BTU_CMD_CMPL_TOUT_DOUBLE_CHECK) && BTU_CMD_CMPL_TOUT_DOUBLE_CHECK == TRUE) p_hci_cmd_cb->checked_hcisu = FALSE; #endif btu_start_timer (&(p_hci_cmd_cb->cmd_cmpl_timer), (UINT16)(BTU_TTYPE_BTU_CMD_CMPL + controller_id), BTU_CMD_CMPL_TIMEOUT); } } p = (UINT8 *)(p_cmd + 1) + p_cmd->offset; #if (NFC_INCLUDED == TRUE) if (controller_id == NFC_CONTROLLER_ID) { //TODO call nfc_ncif_cmd_timeout BT_TRACE_2 (TRACE_LAYER_HCI, TRACE_TYPE_WARNING, "BTU NCI command timeout - header 0x%02x%02x", p[0], p[1]); return; } #endif /* get opcode from stored command */ STREAM_TO_UINT16 (opcode, p); // btla-specific ++ #if (defined(ANDROID_APP_INCLUDED) && (ANDROID_APP_INCLUDED == TRUE)) ALOGE("######################################################################"); ALOGE("#"); ALOGE("# WARNING : BTU HCI(id=%d) command timeout. opcode=0x%x", controller_id, opcode); ALOGE("#"); ALOGE("######################################################################"); #else BT_TRACE_2 (TRACE_LAYER_HCI, TRACE_TYPE_WARNING, "BTU HCI(id=%d) command timeout. opcode=0x%x", controller_id, opcode); #endif // btla-specific ++ /* send stack a fake command complete or command status, but first determine ** which to send */ switch (opcode) { case HCI_HOLD_MODE: case HCI_SNIFF_MODE: case HCI_EXIT_SNIFF_MODE: case HCI_PARK_MODE: case HCI_EXIT_PARK_MODE: case HCI_INQUIRY: case HCI_RMT_NAME_REQUEST: case HCI_QOS_SETUP_COMP_EVT: case HCI_CREATE_CONNECTION: case HCI_CHANGE_CONN_LINK_KEY: case HCI_SWITCH_ROLE: case HCI_READ_RMT_EXT_FEATURES: case HCI_AUTHENTICATION_REQUESTED: case HCI_SET_CONN_ENCRYPTION: #if BTM_SCO_INCLUDED == TRUE case HCI_SETUP_ESCO_CONNECTION: #endif /* fake a command status */ btu_hcif_hdl_command_status (opcode, HCI_ERR_UNSPECIFIED, p, NULL, controller_id); break; default: /* If vendor specific restore the callback function */ if ((opcode & HCI_GRP_VENDOR_SPECIFIC) == HCI_GRP_VENDOR_SPECIFIC #if BLE_INCLUDED == TRUE || (opcode == HCI_BLE_RAND ) || (opcode == HCI_BLE_ENCRYPT) #endif ) { p_cplt_cback = *((void **)(p_cmd + 1)); #if 0 BT_TRACE_2 (TRACE_LAYER_HCI, TRACE_TYPE_DEBUG, "Restoring VSC callback for opcode=0x%04x, Callback function=0x%07x", opcode, (UINT32)p_cplt_cback); #endif } /* fake a command complete; first create a fake event */ event = HCI_ERR_UNSPECIFIED; btu_hcif_hdl_command_complete (opcode, (UINT8 *)&event, 1, p_cplt_cback, controller_id); break; } /* free stored command */ GKI_freebuf(p_cmd); num_hci_cmds_timed_out++; /* When we receive consecutive HCI cmd timeouts for >=BTM_MAX_HCI_CMD_TOUT_BEFORE_RESTART times, Bluetooth process will be killed and restarted */ if (num_hci_cmds_timed_out >= BTM_MAX_HCI_CMD_TOUT_BEFORE_RESTART) { BT_TRACE_1(TRACE_LAYER_HCI, TRACE_TYPE_ERROR, "Num consecutive HCI Cmd tout =%d Restarting BT process",num_hci_cmds_timed_out); usleep(10000); /* 10 milliseconds */ /* Killing the process to force a restart as part of fault tolerance */ kill(getpid(), SIGKILL); } else { BT_TRACE_1 (TRACE_LAYER_HCI, TRACE_TYPE_WARNING, "HCI Cmd timeout counter %d", num_hci_cmds_timed_out); /* If anyone wants device status notifications, give him one */ btm_report_device_status (BTM_DEV_STATUS_CMD_TOUT); } /* See if we can forward any more commands */ btu_hcif_send_cmd (controller_id, NULL); } /******************************************************************************* ** ** Function btu_hcif_hardware_error_evt ** ** Description Process event HCI_HARDWARE_ERROR_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_hardware_error_evt (UINT8 *p, UINT16 evt_len) { BT_TRACE_1 (TRACE_LAYER_HCI, TRACE_TYPE_ERROR, "Ctlr H/w error event - code:0x%x", *p); /* If anyone wants device status notifications, give him one. */ btm_report_device_status (BTM_DEV_STATUS_DOWN); /* Reset the controller */ if (BTM_IsDeviceUp()) BTM_DeviceReset (NULL); } /******************************************************************************* ** ** Function btu_hcif_flush_occured_evt ** ** Description Process event HCI_FLUSH_OCCURED_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_flush_occured_evt (UINT8 *p, UINT16 evt_len) { } /******************************************************************************* ** ** Function btu_hcif_role_change_evt ** ** Description Process event HCI_ROLE_CHANGE_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_role_change_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; BD_ADDR bda; UINT8 role; STREAM_TO_UINT8 (status, p); STREAM_TO_BDADDR (bda, p); STREAM_TO_UINT8 (role, p); l2c_link_role_changed (bda, role, status); btm_acl_role_changed(status, bda, role); } /******************************************************************************* ** ** Function btu_hcif_num_compl_data_pkts_evt ** ** Description Process event HCI_NUM_COMPL_DATA_PKTS_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_num_compl_data_pkts_evt (UINT8 *p, UINT16 evt_len) { /* Process for L2CAP and SCO */ l2c_link_process_num_completed_pkts (p); /* Send on to SCO */ /*?? No SCO for now */ } /******************************************************************************* ** ** Function btu_hcif_mode_change_evt ** ** Description Process event HCI_MODE_CHANGE_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_mode_change_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT16 handle; UINT8 current_mode; UINT16 interval; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); STREAM_TO_UINT8 (current_mode, p); STREAM_TO_UINT16 (interval, p); #if BTM_PWR_MGR_INCLUDED == TRUE #if BTM_SCO_WAKE_PARKED_LINK == TRUE btm_sco_chk_pend_unpark (status, handle); #endif btm_pm_proc_mode_change (status, handle, current_mode, interval); #else btm_process_mode_change (status, handle, current_mode, interval); #endif /* BTM_PWR_MGR_INCLUDED == TRUE */ #if (HID_DEV_INCLUDED == TRUE) && (HID_DEV_PM_INCLUDED == TRUE) hidd_pm_proc_mode_change( status, current_mode, interval ) ; #endif } /******************************************************************************* ** ** Function btu_hcif_ssr_evt ** ** Description Process event HCI_SNIFF_SUB_RATE_EVT ** ** Returns void ** *******************************************************************************/ #if (BTM_SSR_INCLUDED == TRUE) static void btu_hcif_ssr_evt (UINT8 *p, UINT16 evt_len) { #if (BTM_PWR_MGR_INCLUDED == TRUE) btm_pm_proc_ssr_evt(p, evt_len); #endif } #endif /******************************************************************************* ** ** Function btu_hcif_return_link_keys_evt ** ** Description Process event HCI_RETURN_LINK_KEYS_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_return_link_keys_evt (UINT8 *p, UINT16 evt_len) { UINT8 num_keys; tBTM_RETURN_LINK_KEYS_EVT *result; /* get the number of link keys */ num_keys = *p; /* If there are no link keys don't call the call back */ if (!num_keys) return; /* Take one extra byte at the beginning to specify event */ result = (tBTM_RETURN_LINK_KEYS_EVT *)(--p); result->event = BTM_CB_EVT_RETURN_LINK_KEYS; /* Call the BTM function to pass the link keys to application */ btm_return_link_keys_evt (result); } /******************************************************************************* ** ** Function btu_hcif_pin_code_request_evt ** ** Description Process event HCI_PIN_CODE_REQUEST_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_pin_code_request_evt (UINT8 *p, UINT16 evt_len) { BD_ADDR bda; STREAM_TO_BDADDR (bda, p); /* Tell L2CAP that there was a PIN code request, */ /* it may need to stretch timeouts */ l2c_pin_code_request (bda); btm_sec_pin_code_request (bda); } /******************************************************************************* ** ** Function btu_hcif_link_key_request_evt ** ** Description Process event HCI_LINK_KEY_REQUEST_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_link_key_request_evt (UINT8 *p, UINT16 evt_len) { BD_ADDR bda; STREAM_TO_BDADDR (bda, p); btm_sec_link_key_request (bda); } /******************************************************************************* ** ** Function btu_hcif_link_key_notification_evt ** ** Description Process event HCI_LINK_KEY_NOTIFICATION_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_link_key_notification_evt (UINT8 *p, UINT16 evt_len) { BD_ADDR bda; LINK_KEY key; UINT8 key_type; STREAM_TO_BDADDR (bda, p); STREAM_TO_ARRAY16 (key, p); STREAM_TO_UINT8 (key_type, p); btm_sec_link_key_notification (bda, key, key_type); } /******************************************************************************* ** ** Function btu_hcif_loopback_command_evt ** ** Description Process event HCI_LOOPBACK_COMMAND_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_loopback_command_evt (UINT8 *p, UINT16 evt_len) { } /******************************************************************************* ** ** Function btu_hcif_data_buf_overflow_evt ** ** Description Process event HCI_DATA_BUF_OVERFLOW_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_data_buf_overflow_evt (UINT8 *p, UINT16 evt_len) { } /******************************************************************************* ** ** Function btu_hcif_max_slots_changed_evt ** ** Description Process event HCI_MAX_SLOTS_CHANGED_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_max_slots_changed_evt (UINT8 *p, UINT16 evt_len) { } /******************************************************************************* ** ** Function btu_hcif_read_clock_off_comp_evt ** ** Description Process event HCI_READ_CLOCK_OFF_COMP_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_read_clock_off_comp_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT16 handle; UINT16 clock_offset; STREAM_TO_UINT8 (status, p); /* If failed to get clock offset just drop the result */ if (status != HCI_SUCCESS) return; STREAM_TO_UINT16 (handle, p); STREAM_TO_UINT16 (clock_offset, p); handle = HCID_GET_HANDLE (handle); btm_process_clk_off_comp_evt (handle, clock_offset); btm_sec_update_clock_offset (handle, clock_offset); } /******************************************************************************* ** ** Function btu_hcif_conn_pkt_type_change_evt ** ** Description Process event HCI_CONN_PKT_TYPE_CHANGE_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_conn_pkt_type_change_evt (UINT8 *p, UINT16 evt_len) { } /******************************************************************************* ** ** Function btu_hcif_qos_violation_evt ** ** Description Process event HCI_QOS_VIOLATION_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_qos_violation_evt (UINT8 *p, UINT16 evt_len) { UINT16 handle; STREAM_TO_UINT16 (handle, p); handle = HCID_GET_HANDLE (handle); l2c_link_hci_qos_violation (handle); } /******************************************************************************* ** ** Function btu_hcif_page_scan_mode_change_evt ** ** Description Process event HCI_PAGE_SCAN_MODE_CHANGE_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_page_scan_mode_change_evt (UINT8 *p, UINT16 evt_len) { } /******************************************************************************* ** ** Function btu_hcif_page_scan_rep_mode_chng_evt ** ** Description Process event HCI_PAGE_SCAN_REP_MODE_CHNG_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_page_scan_rep_mode_chng_evt (UINT8 *p, UINT16 evt_len) { } /********************************************** ** Simple Pairing Events ***********************************************/ /******************************************************************************* ** ** Function btu_hcif_host_support_evt ** ** Description Process event HCI_RMT_HOST_SUP_FEAT_NOTIFY_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_host_support_evt (UINT8 *p, UINT16 evt_len) { btm_sec_rmt_host_support_feat_evt(p); } /******************************************************************************* ** ** Function btu_hcif_io_cap_request_evt ** ** Description Process event HCI_IO_CAPABILITY_REQUEST_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_io_cap_request_evt (UINT8 *p, UINT16 evt_len) { btm_io_capabilities_req(p); } /******************************************************************************* ** ** Function btu_hcif_io_cap_response_evt ** ** Description Process event HCI_IO_CAPABILITY_RESPONSE_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_io_cap_response_evt (UINT8 *p, UINT16 evt_len) { btm_io_capabilities_rsp(p); } /******************************************************************************* ** ** Function btu_hcif_user_conf_request_evt ** ** Description Process event HCI_USER_CONFIRMATION_REQUEST_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_user_conf_request_evt (UINT8 *p, UINT16 evt_len) { btm_proc_sp_req_evt(BTM_SP_CFM_REQ_EVT, p); } /******************************************************************************* ** ** Function btu_hcif_user_passkey_request_evt ** ** Description Process event HCI_USER_PASSKEY_REQUEST_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_user_passkey_request_evt (UINT8 *p, UINT16 evt_len) { btm_proc_sp_req_evt(BTM_SP_KEY_REQ_EVT, p); } /******************************************************************************* ** ** Function btu_hcif_user_passkey_notif_evt ** ** Description Process event HCI_USER_PASSKEY_NOTIFY_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_user_passkey_notif_evt (UINT8 *p, UINT16 evt_len) { btm_proc_sp_req_evt(BTM_SP_KEY_NOTIF_EVT, p); } /******************************************************************************* ** ** Function btu_hcif_keypress_notif_evt ** ** Description Process event HCI_KEYPRESS_NOTIFY_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_keypress_notif_evt (UINT8 *p, UINT16 evt_len) { btm_keypress_notif_evt(p); } /******************************************************************************* ** ** Function btu_hcif_link_super_tout_evt ** ** Description Process event HCI_LINK_SUPER_TOUT_CHANGED_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_link_super_tout_evt (UINT8 *p, UINT16 evt_len) { UINT16 handle, timeout; STREAM_TO_UINT16 (handle, p); STREAM_TO_UINT16 (timeout, p); btm_proc_lsto_evt(handle, timeout); } /******************************************************************************* ** ** Function btu_hcif_rem_oob_request_evt ** ** Description Process event HCI_REMOTE_OOB_DATA_REQUEST_EVT ** ** Returns void ** *******************************************************************************/ #if BTM_OOB_INCLUDED == TRUE static void btu_hcif_rem_oob_request_evt (UINT8 *p, UINT16 evt_len) { btm_rem_oob_req(p); } #endif /******************************************************************************* ** ** Function btu_hcif_simple_pair_complete_evt ** ** Description Process event HCI_SIMPLE_PAIRING_COMPLETE_EVT ** ** Returns void ** *******************************************************************************/ static void btu_hcif_simple_pair_complete_evt (UINT8 *p, UINT16 evt_len) { btm_simple_pair_complete(p); } /******************************************************************************* ** ** Function btu_hcif_flush_cmd_queue ** ** Description Flush the HCI command complete queue and transmit queue when ** needed. ** ** Returns void ** *******************************************************************************/ void btu_hcif_flush_cmd_queue(void) { BT_HDR *p_cmd; btu_cb.hci_cmd_cb[0].cmd_window = 0; while ((p_cmd = (BT_HDR *) GKI_dequeue (&btu_cb.hci_cmd_cb[0].cmd_cmpl_q)) != NULL) { GKI_freebuf (p_cmd); } while ((p_cmd = (BT_HDR *) GKI_dequeue (&btu_cb.hci_cmd_cb[0].cmd_xmit_q)) != NULL) { GKI_freebuf (p_cmd); } } /******************************************************************************* ** ** Function btu_hcif_enhanced_flush_complete_evt ** ** Description Process event HCI_ENHANCED_FLUSH_COMPLETE_EVT ** ** Returns void ** *******************************************************************************/ #if L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE static void btu_hcif_enhanced_flush_complete_evt (UINT8 *p, UINT16 evt_len) { /* This is empty until an upper layer cares about returning event */ } #endif /********************************************** ** End of Simple Pairing Events ***********************************************/ /********************************************** ** BLE Events ***********************************************/ #if (defined BLE_INCLUDED) && (BLE_INCLUDED == TRUE) static void btu_hcif_encyption_key_refresh_cmpl_evt (UINT8 *p, UINT16 evt_len) { UINT8 status; UINT8 enc_enable = 0; UINT16 handle; STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); if (status == HCI_SUCCESS) enc_enable = 1; btm_sec_encrypt_change (handle, status, enc_enable); } static void btu_ble_process_adv_pkt (UINT8 *p, UINT16 evt_len) { BT_TRACE_0 (TRACE_LAYER_HCI, TRACE_TYPE_EVENT, "btu_ble_process_adv_pkt"); btm_ble_process_adv_pkt(p); } static void btu_ble_ll_conn_complete_evt ( UINT8 *p, UINT16 evt_len) { btm_ble_conn_complete(p, evt_len); } static void btu_ble_ll_conn_param_upd_evt (UINT8 *p, UINT16 evt_len) { /* LE connection update has completed successfully as a master. */ /* We can enable the update request if the result is a success. */ /* extract the HCI handle first */ UINT8 status; UINT16 handle; BT_TRACE_0(TRACE_LAYER_HCI, TRACE_TYPE_EVENT, "btu_ble_ll_conn_param_upd_evt"); STREAM_TO_UINT8 (status, p); STREAM_TO_UINT16 (handle, p); L2CA_HandleConnUpdateEvent(handle, status); } static void btu_ble_read_remote_feat_evt (UINT8 *p, UINT16 evt_len) { btm_ble_read_remote_features_complete(p); } static void btu_ble_proc_ltk_req (UINT8 *p, UINT16 evt_len) { UINT16 ediv, handle; UINT8 *pp; STREAM_TO_UINT16(handle, p); pp = p + 8; STREAM_TO_UINT16(ediv, pp); #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE btm_ble_ltk_request(handle, p, ediv); #endif /* This is empty until an upper layer cares about returning event */ } /********************************************** ** End of BLE Events Handler ***********************************************/ #endif /* BLE_INCLUDED */