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/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* 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.
*
******************************************************************************/
#pragma once
#include <base/bind.h>
#include <base/location.h>
#include <stdbool.h>
#include "bt_types.h"
#include "osi/include/allocator.h"
#include "osi/include/fixed_queue.h"
#include "osi/include/future.h"
#include "osi/include/osi.h"
static const char HCI_MODULE[] = "hci_module";
///// LEGACY DEFINITIONS /////
typedef enum {
HCI_TRANSMIT_SUCCESS = 0,
HCI_TRANSMIT_DAEMON_CLOSED = 1,
HCI_TRANSMIT_DAEMON_DIED = 2,
HCI_TRANSMIT_INVALID_PKT = 3
} hci_transmit_status_t;
/* Message event mask across Host/Controller lib and stack */
#define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */
#define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */
/* Message event ID passed from Host/Controller lib to stack */
#define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */
#define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */
#define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */
#define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */
#define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* BT_EVT_TO_BTU_L2C_SEG_XMIT */
/* Message event ID passed from stack to vendor lib */
#define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */
#define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */
#define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */
#define MSG_STACK_TO_HC_HCI_ISO 0x2d00 /* eq. BT_EVT_TO_LM_HCI_ISO */
/* Local Bluetooth Controller ID for BR/EDR */
#define LOCAL_BR_EDR_CONTROLLER_ID 0
///// END LEGACY DEFINITIONS /////
typedef struct hci_hal_t hci_hal_t;
typedef struct btsnoop_t btsnoop_t;
typedef struct controller_t controller_t;
typedef struct hci_inject_t hci_inject_t;
typedef struct packet_fragmenter_t packet_fragmenter_t;
typedef struct vendor_t vendor_t;
typedef unsigned char* bdaddr_t;
typedef uint16_t command_opcode_t;
typedef void (*command_complete_cb)(BT_HDR* response, void* context);
typedef void (*command_status_cb)(uint8_t status, BT_HDR* command,
void* context);
typedef struct hci_t {
// Set the callback that the HCI layer uses to send data upwards
void (*set_data_cb)(
base::Callback<void(const base::Location&, BT_HDR*)>
send_data_cb);
// Send a command through the HCI layer
void (*transmit_command)(BT_HDR* command,
command_complete_cb complete_callback,
command_status_cb status_cb, void* context);
future_t* (*transmit_command_futured)(BT_HDR* command);
// Send some data downward through the HCI layer
void (*transmit_downward)(uint16_t type, void* data);
} hci_t;
const hci_t* hci_layer_get_interface();
const hci_t* hci_layer_get_test_interface(
const allocator_t* buffer_allocator_interface,
const btsnoop_t* btsnoop_interface,
const packet_fragmenter_t* packet_fragmenter_interface);
void post_to_hci_message_loop(const base::Location& from_here,
BT_HDR* p_msg);
void hci_layer_cleanup_interface();
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