1 /******************************************************************************
2 *
3 * Copyright (C) 2002-2012 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 the definition of the btm control block when
22 * BTM_DYNAMIC_MEMORY is used.
23 *
24 ******************************************************************************/
25
26 #include "stack/bt_types.h"
27 #include "common/bt_target.h"
28 #include <string.h>
29 #include "btm_int.h"
30 #include "osi/allocator.h"
31
32 /* Global BTM control block structure
33 */
34 #if BTM_DYNAMIC_MEMORY == FALSE
35 tBTM_CB btm_cb;
36 #else
37 tBTM_CB *btm_cb_ptr;
38 #endif
39
40 #if (BLE_50_FEATURE_SUPPORT == TRUE)
41 extern void btm_ble_extendadvcb_init(void);
42 extern void btm_ble_advrecod_init(void);
43 #endif
44
45
46 /*******************************************************************************
47 **
48 ** Function btm_init
49 **
50 ** Description This function is called at BTM startup to allocate the
51 ** control block (if using dynamic memory), and initializes the
52 ** tracing level. It then initializes the various components of
53 ** btm.
54 **
55 ** Returns void
56 **
57 *******************************************************************************/
btm_init(void)58 void btm_init (void)
59 {
60 #if BTM_DYNAMIC_MEMORY
61 btm_cb_ptr = (tBTM_CB *)osi_malloc(sizeof(tBTM_CB));
62 #endif /* #if BTM_DYNAMIC_MEMORY */
63 /* All fields are cleared; nonzero fields are reinitialized in appropriate function */
64 memset(&btm_cb, 0, sizeof(tBTM_CB));
65 btm_cb.page_queue = fixed_queue_new(QUEUE_SIZE_MAX);
66 btm_cb.sec_pending_q = fixed_queue_new(QUEUE_SIZE_MAX);
67
68 #if defined(BTM_INITIAL_TRACE_LEVEL)
69 btm_cb.trace_level = BTM_INITIAL_TRACE_LEVEL;
70 #else
71 btm_cb.trace_level = BT_TRACE_LEVEL_NONE;
72 #endif
73 /* Initialize BTM component structures */
74 btm_inq_db_init(); /* Inquiry Database and Structures */
75 btm_acl_init(); /* ACL Database and Structures */
76 #if (SMP_INCLUDED == TRUE)
77 btm_sec_init(BTM_SEC_MODE_SP); /* Security Manager Database and Structures */
78 #endif ///SMP_INCLUDED == TRUE
79 #if BTM_SCO_INCLUDED == TRUE
80 btm_sco_init(); /* SCO Database and Structures (If included) */
81 #endif
82
83 btm_dev_init(); /* Device Manager Structures & HCI_Reset */
84 #if BLE_INCLUDED == TRUE
85 btm_ble_lock_init();
86 btm_ble_sem_init();
87 btm_cb.addr_res_en = TRUE;
88 #endif
89 btm_sec_dev_init();
90 #if (BLE_50_FEATURE_SUPPORT == TRUE)
91 btm_ble_extendadvcb_init();
92 btm_ble_advrecod_init();
93 #endif
94
95 }
96
97
98 /*******************************************************************************
99 **
100 ** Function btm_free
101 **
102 ** Description This function is called at btu core free the fixed queue
103 **
104 ** Returns void
105 **
106 *******************************************************************************/
btm_free(void)107 void btm_free(void)
108 {
109 fixed_queue_free(btm_cb.page_queue, osi_free_func);
110 fixed_queue_free(btm_cb.sec_pending_q, osi_free_func);
111 btm_acl_free();
112 btm_sec_dev_free();
113 #if BTM_SCO_INCLUDED == TRUE
114 btm_sco_free();
115 #endif
116 #if BTM_DYNAMIC_MEMORY
117 FREE_AND_RESET(btm_cb_ptr);
118 #endif
119 #if BLE_INCLUDED == TRUE
120 btm_ble_lock_free();
121 btm_ble_sem_free();
122 #endif
123 }
124
btm_acl_active_count(void)125 uint8_t btm_acl_active_count(void)
126 {
127 list_node_t *p_node = NULL;
128 tACL_CONN *p_acl_conn = NULL;
129 uint8_t count = 0;
130
131 for (p_node = list_begin(btm_cb.p_acl_db_list); p_node; p_node = list_next(p_node)) {
132 p_acl_conn = list_node(p_node);
133 if (p_acl_conn && p_acl_conn->in_use) {
134 count++;
135 }
136 }
137
138 return count;
139 }
140 #if (BLE_INCLUDED == TRUE)
141 // Address resolution status
btm_get_ble_addr_resolve_disable_status(void)142 uint8_t btm_get_ble_addr_resolve_disable_status(void)
143 {
144 // Returns false if address resolution is enabled, true if disabled
145 return (btm_cb.addr_res_en) ? 0 : 1;
146 }
147
btm_ble_addr_resolve_enable(bool enable)148 void btm_ble_addr_resolve_enable(bool enable)
149 {
150 btm_cb.addr_res_en = enable;
151 }
152 #endif /*BLE_INCLUDED*/
153
