1 /*
2  * Copyright 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <cstdint>
20 
21 #include "hci/class_of_device.h"
22 #include "stack/include/bt_hdr.h"
23 #include "stack/include/hci_error_code.h"
24 #include "stack/include/hci_mode.h"
25 #include "types/ble_address_with_type.h"
26 #include "types/hci_role.h"
27 #include "types/raw_address.h"
28 
29 namespace bluetooth {
30 namespace shim {
31 namespace legacy {
32 
33 typedef struct {
34   void (*on_connected)(const RawAddress& bda, uint16_t handle, uint8_t enc_mode,
35                        bool locally_initiated);
36   void (*on_connect_request)(const RawAddress& bda, const hci::ClassOfDevice&);
37   void (*on_failed)(const RawAddress& bda, tHCI_STATUS status,
38                     bool locally_initiated);
39   void (*on_disconnected)(tHCI_STATUS status, uint16_t handle,
40                           tHCI_STATUS reason);
41 } acl_classic_connection_interface_t;
42 
43 typedef struct {
44   void (*on_connected)(const tBLE_BD_ADDR& address_with_type, uint16_t handle,
45                        tHCI_ROLE role, uint16_t conn_interval,
46                        uint16_t conn_latency, uint16_t conn_timeout,
47                        const RawAddress& local_rpa, const RawAddress& peer_rpa,
48                        tBLE_ADDR_TYPE peer_addr_type,
49                        bool can_read_discoverable_characteristics);
50   void (*on_failed)(const tBLE_BD_ADDR& address_with_type, uint16_t handle,
51                     bool enhanced, tHCI_STATUS status);
52   void (*on_disconnected)(tHCI_STATUS status, uint16_t handle,
53                           tHCI_STATUS reason);
54 } acl_le_connection_interface_t;
55 
56 typedef struct {
57   void (*on_authentication_complete)(uint16_t handle, tHCI_STATUS status);
58   void (*on_change_connection_link_key_complete)();
59   void (*on_encryption_change)(bool enabled);
60   void (*on_flow_specification_complete)(uint16_t flow_direction,
61                                          uint16_t service_type,
62                                          uint32_t token_rate,
63                                          uint32_t token_bucket_size,
64                                          uint32_t peak_bandwidth,
65                                          uint32_t access_latency);
66   void (*on_flush_occurred)();
67   void (*on_central_link_key_complete)(uint8_t key_flag);
68   void (*on_mode_change)(tHCI_STATUS status, uint16_t handle,
69                          tHCI_MODE current_mode, uint16_t interval);
70   void (*on_sniff_subrating)(tHCI_STATUS status, uint16_t handle,
71                              uint16_t maximum_transmit_latency,
72                              uint16_t maximum_receive_latency,
73                              uint16_t minimum_remote_timeout,
74                              uint16_t minimum_local_timeout);
75   void (*on_packet_type_changed)(uint16_t packet_type);
76   void (*on_qos_setup_complete)(uint16_t service_type, uint32_t token_rate,
77                                 uint32_t peak_bandwidth, uint32_t latency,
78                                 uint32_t delay_variation);
79   void (*on_read_afh_channel_map_complete)(uint8_t afh_mode,
80                                            uint8_t afh_channel_map[]);
81   void (*on_read_automatic_flush_timeout_complete)(uint16_t flush_timeout);
82   void (*on_read_clock_complete)(uint32_t clock, uint16_t accuracy);
83   void (*on_read_clock_offset_complete)(uint16_t clock_offset);
84   void (*on_read_failed_contact_counter_complete)(
85       uint16_t failed_contact_counter);
86   void (*on_read_link_policy_settings_complete)(uint16_t link_policy_settings);
87   void (*on_read_link_quality_complete)(uint8_t link_quality);
88   void (*on_read_link_supervision_timeout_complete)(
89       uint16_t link_supervision_timeout);
90   void (*on_read_remote_supported_features_complete)(uint16_t handle,
91                                                      uint64_t features);
92   void (*on_read_remote_extended_features_complete)(uint16_t handle,
93                                                     uint8_t current_page_number,
94                                                     uint8_t max_page_number,
95                                                     uint64_t features);
96   void (*on_read_remote_version_information_complete)(
97       tHCI_STATUS status, uint16_t handle, uint8_t lmp_version,
98       uint16_t manufacturer_name, uint16_t sub_version);
99   void (*on_read_rssi_complete)(uint8_t rssi);
100   void (*on_read_transmit_power_level_complete)(uint8_t transmit_power_level);
101   void (*on_role_change)(tHCI_STATUS status, const RawAddress& bd_addr,
102                          tHCI_ROLE new_role);
103   void (*on_role_discovery_complete)(tHCI_ROLE current_role);
104 } acl_classic_link_interface_t;
105 
106 typedef struct {
107   void (*on_connection_update)(tHCI_STATUS status, uint16_t handle,
108                                uint16_t connection_interval,
109                                uint16_t connection_latency,
110                                uint16_t supervision_timeout);
111   void (*on_data_length_change)(uint16_t handle, uint16_t max_tx_octets,
112                                 uint16_t max_tx_time, uint16_t max_rx_octets,
113                                 uint16_t max_rx_time);
114   void (*on_read_remote_version_information_complete)(
115       tHCI_STATUS status, uint16_t handle, uint8_t lmp_version,
116       uint16_t manufacturer_name, uint16_t sub_version);
117   void (*on_phy_update)(tHCI_STATUS status, uint16_t handle, uint8_t tx_phy,
118                         uint8_t rx_phy);
119 
120   void (*on_le_subrate_change)(uint16_t handle, uint16_t subrate_factor,
121                                uint16_t latency, uint16_t cont_num,
122                                uint16_t timeout, uint8_t status);
123 } acl_le_link_interface_t;
124 
125 typedef struct {
126   acl_classic_connection_interface_t classic;
127   acl_le_connection_interface_t le;
128 } acl_connection_interface_t;
129 
130 typedef struct {
131   acl_classic_link_interface_t classic;
132   acl_le_link_interface_t le;
133 } acl_link_interface_t;
134 
135 typedef struct {
136   void (*on_send_data_upwards)(BT_HDR*);
137   void (*on_packets_completed)(uint16_t handle, uint16_t num_packets);
138   acl_connection_interface_t connection;
139   acl_link_interface_t link;
140 } acl_interface_t;
141 
142 const acl_interface_t& GetAclInterface();
143 
144 }  // namespace legacy
145 }  // namespace shim
146 }  // namespace bluetooth
147