1 /*
2 * Copyright 2019 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 #define LOG_TAG "bt_shim_btm"
18
19 #include "main/shim/btm_api.h"
20
21 #include <base/functional/callback.h>
22
23 #include "hci/controller.h"
24 #include "hci/controller_interface.h"
25 #include "hci/le_advertising_manager.h"
26 #include "main/shim/acl.h"
27 #include "main/shim/entry.h"
28 #include "main/shim/helpers.h"
29 #include "main/shim/stack.h"
30 #include "stack/btm/btm_ble_sec.h"
31 #include "stack/btm/btm_dev.h"
32 #include "stack/include/btm_status.h"
33 #include "types/raw_address.h"
34
BTM_ClearEventFilter()35 tBTM_STATUS bluetooth::shim::BTM_ClearEventFilter() {
36 GetController()->SetEventFilterClearAll();
37 return tBTM_STATUS::BTM_SUCCESS;
38 }
39
BTM_ClearEventMask()40 tBTM_STATUS bluetooth::shim::BTM_ClearEventMask() {
41 GetController()->SetEventMask(0);
42 GetController()->LeSetEventMask(0);
43 return tBTM_STATUS::BTM_SUCCESS;
44 }
45
BTM_ClearFilterAcceptList()46 tBTM_STATUS bluetooth::shim::BTM_ClearFilterAcceptList() {
47 Stack::GetInstance()->GetAcl()->ClearFilterAcceptList();
48 return tBTM_STATUS::BTM_SUCCESS;
49 }
50
BTM_DisconnectAllAcls()51 tBTM_STATUS bluetooth::shim::BTM_DisconnectAllAcls() {
52 Stack::GetInstance()->GetAcl()->DisconnectAllForSuspend();
53 // Stack::GetInstance()->GetAcl()->Shutdown();
54 return tBTM_STATUS::BTM_SUCCESS;
55 }
56
BTM_SetEventFilterConnectionSetupAllDevices()57 tBTM_STATUS bluetooth::shim::BTM_SetEventFilterConnectionSetupAllDevices() {
58 // Autoplumbed
59 GetController()->SetEventFilterConnectionSetupAllDevices(
60 bluetooth::hci::AutoAcceptFlag::AUTO_ACCEPT_ON_ROLE_SWITCH_ENABLED);
61 return tBTM_STATUS::BTM_SUCCESS;
62 }
63
BTM_AllowWakeByHid(std::vector<RawAddress> classic_hid_devices,std::vector<std::pair<RawAddress,uint8_t>> le_hid_devices)64 tBTM_STATUS bluetooth::shim::BTM_AllowWakeByHid(
65 std::vector<RawAddress> classic_hid_devices,
66 std::vector<std::pair<RawAddress, uint8_t>> le_hid_devices) {
67 // First set ACL to suspended state.
68 Stack::GetInstance()->GetAcl()->SetSystemSuspendState(/*suspended=*/true);
69
70 // Allow classic HID wake.
71 auto controller = GetController();
72 for (auto device : classic_hid_devices) {
73 controller->SetEventFilterConnectionSetupAddress(bluetooth::ToGdAddress(device),
74 hci::AutoAcceptFlag::AUTO_ACCEPT_OFF);
75 }
76
77 // Allow BLE HID
78 for (auto hid_address : le_hid_devices) {
79 std::promise<bool> accept_promise;
80 auto accept_future = accept_promise.get_future();
81
82 tBLE_BD_ADDR bdadr = BTM_Sec_GetAddressWithType(hid_address.first);
83 Stack::GetInstance()->GetAcl()->AcceptLeConnectionFrom(ToAddressWithType(bdadr.bda, bdadr.type),
84 /*is_direct=*/false,
85 std::move(accept_promise));
86
87 accept_future.wait();
88 }
89
90 return tBTM_STATUS::BTM_SUCCESS;
91 }
92
BTM_RestoreFilterAcceptList(std::vector<std::pair<RawAddress,uint8_t>> le_devices)93 tBTM_STATUS bluetooth::shim::BTM_RestoreFilterAcceptList(
94 std::vector<std::pair<RawAddress, uint8_t>> le_devices) {
95 // First, mark ACL as no longer suspended.
96 Stack::GetInstance()->GetAcl()->SetSystemSuspendState(/*suspended=*/false);
97
98 // Next, Allow BLE connection from all devices that need to be restored.
99 // This will also re-arm the LE connection.
100 for (auto address_pair : le_devices) {
101 std::promise<bool> accept_promise;
102 auto accept_future = accept_promise.get_future();
103
104 tBLE_BD_ADDR bdadr = BTM_Sec_GetAddressWithType(address_pair.first);
105 Stack::GetInstance()->GetAcl()->AcceptLeConnectionFrom(ToAddressWithType(bdadr.bda, bdadr.type),
106 /*is_direct=*/false,
107 std::move(accept_promise));
108
109 accept_future.wait();
110 }
111
112 return tBTM_STATUS::BTM_SUCCESS;
113 }
114
BTM_SetDefaultEventMaskExcept(uint64_t mask,uint64_t le_mask)115 tBTM_STATUS bluetooth::shim::BTM_SetDefaultEventMaskExcept(uint64_t mask, uint64_t le_mask) {
116 uint64_t applied_mask = bluetooth::hci::Controller::kDefaultEventMask & ~(mask);
117 uint64_t applied_le_mask = bluetooth::hci::Controller::kDefaultLeEventMask & ~(le_mask);
118 GetController()->SetEventMask(applied_mask);
119 GetController()->LeSetEventMask(applied_le_mask);
120 return tBTM_STATUS::BTM_SUCCESS;
121 }
122
BTM_SetEventFilterInquiryResultAllDevices()123 tBTM_STATUS bluetooth::shim::BTM_SetEventFilterInquiryResultAllDevices() {
124 // Autoplumbed
125 GetController()->SetEventFilterInquiryResultAllDevices();
126 return tBTM_STATUS::BTM_SUCCESS;
127 }
128
BTM_BleResetId()129 tBTM_STATUS bluetooth::shim::BTM_BleResetId() {
130 btm_ble_reset_id();
131 return tBTM_STATUS::BTM_SUCCESS;
132 }
133
BTM_BleGetNumberOfAdvertisingInstancesInUse(void)134 size_t bluetooth::shim::BTM_BleGetNumberOfAdvertisingInstancesInUse(void) {
135 return GetAdvertising()->GetNumberOfAdvertisingInstancesInUse();
136 }
137