1 /******************************************************************************
2 *
3 * Copyright (C) 2008-2014 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 functions for BLE GAP.
22 *
23 ******************************************************************************/
24
25 #include <string.h>
26 #include <stdio.h>
27 #include <stddef.h>
28
29 #include "bt_types.h"
30 #include "bt_utils.h"
31 #include "btm_int.h"
32 #include "btm_ble_api.h"
33 #include "btu.h"
34 #include "device/include/controller.h"
35 #include "hcimsgs.h"
36 #include "gap_api.h"
37
38 #if BLE_INCLUDED == TRUE
39 #include "l2c_int.h"
40
41 #include "gattdefs.h"
42 #include "gatt_int.h"
43
44 #include "btm_ble_int.h"
45 #define LOG_TAG "bt_btm_ble"
46 #include "osi/include/log.h"
47
48 #define BTM_BLE_NAME_SHORT 0x01
49 #define BTM_BLE_NAME_CMPL 0x02
50
51 #define BTM_BLE_FILTER_TARGET_UNKNOWN 0xff
52 #define BTM_BLE_POLICY_UNKNOWN 0xff
53
54 #define BTM_EXT_BLE_RMT_NAME_TIMEOUT 30
55 #define MIN_ADV_LENGTH 2
56 #define BTM_VSC_CHIP_CAPABILITY_RSP_LEN_L_RELEASE 9
57
58 static tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
59
60 #if BLE_VND_INCLUDED == TRUE
61 static tBTM_BLE_CTRL_FEATURES_CBACK *p_ctrl_le_feature_rd_cmpl_cback = NULL;
62 #endif
63
64 /*******************************************************************************
65 ** Local functions
66 *******************************************************************************/
67 static void btm_ble_update_adv_flag(UINT8 flag);
68 static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p);
69 UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst,
70 tBTM_BLE_ADV_DATA *p_data);
71 static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb,
72 BD_ADDR_PTR p_peer_addr_ptr,
73 tBLE_ADDR_TYPE *p_peer_addr_type,
74 tBLE_ADDR_TYPE *p_own_addr_type);
75 static void btm_ble_stop_observe(void);
76
77 #define BTM_BLE_INQ_RESULT 0x01
78 #define BTM_BLE_OBS_RESULT 0x02
79 #define BTM_BLE_SEL_CONN_RESULT 0x04
80
81 /* LE states combo bit to check */
82 const UINT8 btm_le_state_combo_tbl[BTM_BLE_STATE_MAX][BTM_BLE_STATE_MAX][2] =
83 {
84 {/* single state support */
85 {HCI_SUPP_LE_STATES_CONN_ADV_MASK, HCI_SUPP_LE_STATES_CONN_ADV_OFF}, /* conn_adv */
86 {HCI_SUPP_LE_STATES_INIT_MASK, HCI_SUPP_LE_STATES_INIT_OFF}, /* init */
87 {HCI_SUPP_LE_STATES_INIT_MASK, HCI_SUPP_LE_STATES_INIT_OFF}, /* master */
88 {HCI_SUPP_LE_STATES_SLAVE_MASK, HCI_SUPP_LE_STATES_SLAVE_OFF}, /* slave */
89 {0, 0}, /* todo: lo du dir adv, not covered ? */
90 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_OFF}, /* hi duty dir adv */
91 {HCI_SUPP_LE_STATES_NON_CONN_ADV_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_OFF}, /* non connectable adv */
92 {HCI_SUPP_LE_STATES_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_OFF}, /* passive scan */
93 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_OFF}, /* active scan */
94 {HCI_SUPP_LE_STATES_SCAN_ADV_MASK, HCI_SUPP_LE_STATESSCAN_ADV_OFF} /* scanable adv */
95 },
96 { /* conn_adv =0 */
97 {0, 0}, /* conn_adv */
98 {HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* init: 32 */
99 {HCI_SUPP_LE_STATES_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_CONN_ADV_MASTER_OFF}, /* master: 35 */
100 {HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* slave: 38,*/
101 {0, 0}, /* lo du dir adv */
102 {0, 0}, /* hi duty dir adv */
103 {0, 0}, /* non connectable adv */
104 {HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_OFF}, /* passive scan */
105 {HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_OFF}, /* active scan */
106 {0, 0} /* scanable adv */
107 },
108 { /* init */
109 {HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* conn_adv: 32 */
110 {0, 0}, /* init */
111 {HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* master 28 */
112 {HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* slave 41 */
113 {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_OFF} ,/* lo du dir adv 34 */
114 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_OFF}, /* hi duty dir adv 33 */
115 {HCI_SUPP_LE_STATES_NON_CONN_INIT_MASK, HCI_SUPP_LE_STATES_NON_CONN_INIT_OFF}, /* non connectable adv */
116 {HCI_SUPP_LE_STATES_PASS_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_INIT_OFF}, /* passive scan */
117 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_OFF}, /* active scan */
118 {HCI_SUPP_LE_STATES_SCAN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_INIT_OFF} /* scanable adv */
119
120 },
121 { /* master */
122 {HCI_SUPP_LE_STATES_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_CONN_ADV_MASTER_OFF}, /* conn_adv: 35 */
123 {HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* init 28 */
124 {HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* master 28 */
125 {HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* slave: 32 */
126 {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_OFF}, /* lo duty cycle adv 37 */
127 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_OFF}, /* hi duty cycle adv 36 */
128 {HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_OFF}, /* non connectable adv */
129 {HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_OFF}, /* passive scan */
130 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_OFF}, /* active scan */
131 {HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_OFF} /* scanable adv */
132
133 },
134 { /* slave */
135 {HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* conn_adv: 38,*/
136 {HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* init 41 */
137 {HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* master 41 */
138 {HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* slave: 38,*/
139 {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_OFF}, /* lo duty cycle adv 40 */
140 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_OFF}, /* hi duty cycle adv 39 */
141 {HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_OFF}, /* non connectable adv */
142 {HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_OFF}, /* passive scan */
143 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_OFF}, /* active scan */
144 {HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_OFF} /* scanable adv */
145
146 },
147 { /* lo duty cycle adv */
148 {0, 0}, /* conn_adv: 38,*/
149 {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_OFF} ,/* init 34 */
150 {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_OFF}, /* master 37 */
151 {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_OFF}, /* slave: 40 */
152 {0, 0}, /* lo duty cycle adv 40 */
153 {0, 0}, /* hi duty cycle adv 39 */
154 {0, 0}, /* non connectable adv */
155 {0, 0}, /* TODO: passive scan, not covered? */
156 {0, 0}, /* TODO: active scan, not covered? */
157 {0, 0} /* scanable adv */
158 },
159 { /* hi duty cycle adv */
160 {0, 0}, /* conn_adv: 38,*/
161 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_OFF}, /* init 33 */
162 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_OFF}, /* master 36 */
163 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_OFF}, /* slave: 39*/
164 {0, 0}, /* lo duty cycle adv 40 */
165 {0, 0}, /* hi duty cycle adv 39 */
166 {0, 0}, /* non connectable adv */
167 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_OFF}, /* passive scan */
168 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_OFF}, /* active scan */
169 {0, 0} /* scanable adv */
170 },
171 { /* non connectable adv */
172 {0, 0}, /* conn_adv: */
173 {HCI_SUPP_LE_STATES_NON_CONN_INIT_MASK, HCI_SUPP_LE_STATES_NON_CONN_INIT_OFF}, /* init */
174 {HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_OFF}, /* master */
175 {HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_OFF}, /* slave: */
176 {0, 0}, /* lo duty cycle adv */
177 {0, 0}, /* hi duty cycle adv */
178 {0, 0}, /* non connectable adv */
179 {HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_OFF}, /* passive scan */
180 {HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_OFF}, /* active scan */
181 {0, 0} /* scanable adv */
182 },
183 { /* passive scan */
184 {HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_OFF}, /* conn_adv: */
185 {HCI_SUPP_LE_STATES_PASS_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_INIT_OFF}, /* init */
186 {HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_OFF}, /* master */
187 {HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_OFF}, /* slave: */
188 {0, 0}, /* lo duty cycle adv */
189 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_OFF}, /* hi duty cycle adv */
190 {HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_OFF}, /* non connectable adv */
191 {0, 0}, /* passive scan */
192 {0, 0}, /* active scan */
193 {HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_OFF} /* scanable adv */
194 },
195 { /* active scan */
196 {HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_OFF}, /* conn_adv: */
197 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_OFF}, /* init */
198 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_OFF}, /* master */
199 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_OFF}, /* slave: */
200 {0, 0}, /* lo duty cycle adv */
201 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_OFF}, /* hi duty cycle adv */
202 {HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_OFF}, /* non connectable adv */
203 {0, 0}, /* TODO: passive scan */
204 {0, 0}, /* TODO: active scan */
205 {HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_OFF} /* scanable adv */
206 },
207 { /* scanable adv */
208 {0, 0}, /* conn_adv: */
209 {HCI_SUPP_LE_STATES_SCAN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_INIT_OFF}, /* init */
210 {HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_OFF}, /* master */
211 {HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_OFF}, /* slave: */
212 {0, 0}, /* lo duty cycle adv */
213 {0, 0}, /* hi duty cycle adv */
214 {0, 0}, /* non connectable adv */
215 {HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_OFF}, /* passive scan */
216 {HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_OFF}, /* active scan */
217 {0, 0} /* scanable adv */
218 }
219
220 };
221 /* check LE combo state supported */
222 #define BTM_LE_STATES_SUPPORTED(x, y, z) ((x)[(z)] & (y))
223
224
225 /*******************************************************************************
226 **
227 ** Function BTM_BleUpdateAdvWhitelist
228 **
229 ** Description Add or remove device from advertising white list
230 **
231 ** Returns void
232 **
233 *******************************************************************************/
BTM_BleUpdateAdvWhitelist(BOOLEAN add_remove,BD_ADDR remote_bda)234 BOOLEAN BTM_BleUpdateAdvWhitelist(BOOLEAN add_remove, BD_ADDR remote_bda)
235 {
236 UNUSED(add_remove);
237 UNUSED(remote_bda);
238
239 return FALSE;
240 }
241
242 /*******************************************************************************
243 **
244 ** Function BTM_BleUpdateAdvFilterPolicy
245 **
246 ** Description This function update the filter policy of advertiser.
247 **
248 ** Parameter adv_policy: advertising filter policy
249 **
250 ** Return void
251 *******************************************************************************/
BTM_BleUpdateAdvFilterPolicy(tBTM_BLE_AFP adv_policy)252 void BTM_BleUpdateAdvFilterPolicy(tBTM_BLE_AFP adv_policy)
253 {
254 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
255 tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC;
256 BD_ADDR p_addr_ptr= {0};
257 UINT8 adv_mode = p_cb->adv_mode;
258
259 BTM_TRACE_EVENT ("BTM_BleUpdateAdvFilterPolicy");
260
261 if (!controller_get_interface()->supports_ble())
262 return;
263
264 if (p_cb->afp != adv_policy)
265 {
266 p_cb->afp = adv_policy;
267
268 /* if adv active, stop and restart */
269 btm_ble_stop_adv ();
270
271 if (p_cb->connectable_mode & BTM_BLE_CONNECTABLE)
272 p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type,
273 &p_cb->adv_addr_type);
274
275 btsnd_hcic_ble_write_adv_params ((UINT16)(p_cb->adv_interval_min ? p_cb->adv_interval_min :
276 BTM_BLE_GAP_ADV_SLOW_INT),
277 (UINT16)(p_cb->adv_interval_max ? p_cb->adv_interval_max :
278 BTM_BLE_GAP_ADV_SLOW_INT),
279 p_cb->evt_type,
280 p_cb->adv_addr_type,
281 init_addr_type,
282 p_addr_ptr,
283 p_cb->adv_chnl_map,
284 p_cb->afp);
285
286 if (adv_mode == BTM_BLE_ADV_ENABLE)
287 btm_ble_start_adv ();
288
289 }
290 }
291
292 /*******************************************************************************
293 **
294 ** Function btm_ble_send_extended_scan_params
295 **
296 ** Description This function sends out the extended scan parameters command to the controller
297 **
298 ** Parameters scan_type - Scan type
299 ** scan_int - Scan interval
300 ** scan_win - Scan window
301 ** addr_type_own - Own address type
302 ** scan_filter_policy - Scan filter policy
303 **
304 ** Returns TRUE or FALSE
305 **
306 *******************************************************************************/
btm_ble_send_extended_scan_params(UINT8 scan_type,UINT32 scan_int,UINT32 scan_win,UINT8 addr_type_own,UINT8 scan_filter_policy)307 BOOLEAN btm_ble_send_extended_scan_params(UINT8 scan_type, UINT32 scan_int,
308 UINT32 scan_win, UINT8 addr_type_own,
309 UINT8 scan_filter_policy)
310 {
311 UINT8 scan_param[HCIC_PARAM_SIZE_BLE_WRITE_EXTENDED_SCAN_PARAM];
312 UINT8 *pp_scan = scan_param;
313
314 memset(scan_param, 0, HCIC_PARAM_SIZE_BLE_WRITE_EXTENDED_SCAN_PARAM);
315
316 UINT8_TO_STREAM(pp_scan, scan_type);
317 UINT32_TO_STREAM(pp_scan, scan_int);
318 UINT32_TO_STREAM(pp_scan, scan_win);
319 UINT8_TO_STREAM(pp_scan, addr_type_own);
320 UINT8_TO_STREAM(pp_scan, scan_filter_policy);
321
322 BTM_TRACE_DEBUG("%s, %d, %d", __func__, scan_int, scan_win);
323 if ((BTM_VendorSpecificCommand(HCI_BLE_EXTENDED_SCAN_PARAMS_OCF,
324 HCIC_PARAM_SIZE_BLE_WRITE_EXTENDED_SCAN_PARAM, scan_param, NULL)) != BTM_SUCCESS)
325 {
326 BTM_TRACE_ERROR("%s error sending extended scan parameters", __func__);
327 return FALSE;
328 }
329 return TRUE;
330 }
331
332 /*******************************************************************************
333 **
334 ** Function BTM_BleObserve
335 **
336 ** Description This procedure keep the device listening for advertising
337 ** events from a broadcast device.
338 **
339 ** Parameters start: start or stop observe.
340 ** white_list: use white list in observer mode or not.
341 **
342 ** Returns void
343 **
344 *******************************************************************************/
BTM_BleObserve(BOOLEAN start,UINT8 duration,tBTM_INQ_RESULTS_CB * p_results_cb,tBTM_CMPL_CB * p_cmpl_cb)345 tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT8 duration,
346 tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb)
347 {
348 tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var;
349 tBTM_STATUS status = BTM_WRONG_MODE;
350
351 UINT32 scan_interval = !p_inq->scan_interval ? BTM_BLE_GAP_DISC_SCAN_INT : p_inq->scan_interval;
352 UINT32 scan_window = !p_inq->scan_window ? BTM_BLE_GAP_DISC_SCAN_WIN : p_inq->scan_window;
353
354 BTM_TRACE_EVENT ("%s : scan_type:%d, %d, %d", __func__, btm_cb.btm_inq_vars.scan_type,
355 p_inq->scan_interval, p_inq->scan_window);
356
357 if (!controller_get_interface()->supports_ble())
358 return BTM_ILLEGAL_VALUE;
359
360 if (start)
361 {
362 /* shared inquiry database, do not allow observe if any inquiry is active */
363 if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
364 {
365 BTM_TRACE_ERROR("%s Observe Already Active", __func__);
366 return status;
367 }
368
369 btm_cb.ble_ctr_cb.p_obs_results_cb = p_results_cb;
370 btm_cb.ble_ctr_cb.p_obs_cmpl_cb = p_cmpl_cb;
371 status = BTM_CMD_STARTED;
372
373 /* scan is not started */
374 if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
375 {
376 /* allow config of scan type */
377 p_inq->scan_type = (p_inq->scan_type == BTM_BLE_SCAN_MODE_NONE) ?
378 BTM_BLE_SCAN_MODE_ACTI: p_inq->scan_type;
379 /* assume observe always not using white list */
380 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
381 /* enable resolving list */
382 btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_SCAN);
383 #endif
384
385 if (cmn_ble_vsc_cb.extended_scan_support == 0)
386 {
387 btsnd_hcic_ble_set_scan_params(p_inq->scan_type, (UINT16)scan_interval,
388 (UINT16)scan_window,
389 btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type,
390 BTM_BLE_DEFAULT_SFP);
391 }
392 else
393 {
394 btm_ble_send_extended_scan_params(p_inq->scan_type, scan_interval, scan_window,
395 btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type,
396 BTM_BLE_DEFAULT_SFP);
397 }
398
399 p_inq->scan_duplicate_filter = BTM_BLE_DUPLICATE_DISABLE;
400 status = btm_ble_start_scan();
401 }
402
403 if (status == BTM_CMD_STARTED)
404 {
405 btm_cb.ble_ctr_cb.scan_activity |= BTM_LE_OBSERVE_ACTIVE;
406 if (duration != 0)
407 /* start observer timer */
408 btu_start_timer (&btm_cb.ble_ctr_cb.obs_timer_ent, BTU_TTYPE_BLE_OBSERVE, duration);
409 }
410 }
411 else if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
412 {
413 status = BTM_CMD_STARTED;
414 btm_ble_stop_observe();
415 }
416 else
417 {
418 BTM_TRACE_ERROR("%s Observe not active", __func__);
419 }
420
421 return status;
422
423 }
424
425 /*******************************************************************************
426 **
427 ** Function BTM_BleBroadcast
428 **
429 ** Description This function is to start or stop broadcasting.
430 **
431 ** Parameters start: start or stop broadcasting.
432 **
433 ** Returns status.
434 **
435 *******************************************************************************/
BTM_BleBroadcast(BOOLEAN start)436 tBTM_STATUS BTM_BleBroadcast(BOOLEAN start)
437 {
438 tBTM_STATUS status = BTM_NO_RESOURCES;
439 tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
440 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
441 UINT8 evt_type = p_cb->scan_rsp ? BTM_BLE_DISCOVER_EVT: BTM_BLE_NON_CONNECT_EVT;
442
443 if (!controller_get_interface()->supports_ble())
444 return BTM_ILLEGAL_VALUE;
445
446 #ifdef BTM_BLE_PC_ADV_TEST_MODE
447 if (BTM_BLE_PC_ADV_TEST_MODE)
448 {
449 evt_type = p_cb->scan_rsp ? BTM_BLE_CONNECT_EVT: BTM_BLE_NON_CONNECT_EVT;
450 }
451 #endif
452
453 if (start && p_cb->adv_mode == BTM_BLE_ADV_DISABLE)
454 {
455 /* update adv params */
456 if (!btsnd_hcic_ble_write_adv_params ((UINT16)(p_cb->adv_interval_min ? p_cb->adv_interval_min :
457 BTM_BLE_GAP_ADV_INT),
458 (UINT16)(p_cb->adv_interval_max ? p_cb->adv_interval_max :
459 BTM_BLE_GAP_ADV_INT),
460 evt_type,
461 p_addr_cb->own_addr_type,
462 p_cb->direct_bda.type,
463 p_cb->direct_bda.bda,
464 p_cb->adv_chnl_map,
465 p_cb->afp))
466
467 status = BTM_NO_RESOURCES;
468 else
469 p_cb->evt_type = evt_type;
470
471 status = btm_ble_start_adv ();
472 }
473 else if (!start)
474 {
475 status = btm_ble_stop_adv();
476 #if BLE_PRIVACY_SPT == TRUE
477 btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, TRUE);
478 #endif
479 }
480 else
481 {
482 status = BTM_WRONG_MODE;
483 BTM_TRACE_ERROR("Can not %s Broadcast, device %s in Broadcast mode",
484 (start ? "Start" : "Stop"), (start ? "already" :"not"));
485 }
486 return status;
487 }
488
489 /*******************************************************************************
490 **
491 ** Function btm_vsc_brcm_features_complete
492 **
493 ** Description Command Complete callback for HCI_BLE_VENDOR_CAP_OCF
494 **
495 ** Returns void
496 **
497 *******************************************************************************/
btm_ble_vendor_capability_vsc_cmpl_cback(tBTM_VSC_CMPL * p_vcs_cplt_params)498 static void btm_ble_vendor_capability_vsc_cmpl_cback (tBTM_VSC_CMPL *p_vcs_cplt_params)
499 {
500 #if BLE_VND_INCLUDED == TRUE
501 UINT8 status = 0xFF;
502 UINT8 *p;
503
504 BTM_TRACE_DEBUG("%s", __func__);
505
506 /* Check status of command complete event */
507 if ((p_vcs_cplt_params->opcode == HCI_BLE_VENDOR_CAP_OCF) &&
508 (p_vcs_cplt_params->param_len > 0))
509 {
510 p = p_vcs_cplt_params->p_param_buf;
511 STREAM_TO_UINT8(status, p);
512 }
513
514 if (status == HCI_SUCCESS)
515 {
516 STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.adv_inst_max, p);
517 STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.rpa_offloading, p);
518 STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.tot_scan_results_strg, p);
519 STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.max_irk_list_sz, p);
520 STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.filter_support, p);
521 STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.max_filter, p);
522 STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.energy_support, p);
523
524 if (p_vcs_cplt_params->param_len > BTM_VSC_CHIP_CAPABILITY_RSP_LEN_L_RELEASE)
525 {
526 STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.version_supported, p);
527 }
528 else
529 {
530 btm_cb.cmn_ble_vsc_cb.version_supported = BTM_VSC_CHIP_CAPABILITY_L_VERSION;
531 }
532
533 if (btm_cb.cmn_ble_vsc_cb.version_supported >= BTM_VSC_CHIP_CAPABILITY_M_VERSION)
534 {
535 STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.total_trackable_advertisers, p);
536 STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.extended_scan_support, p);
537 STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.debug_logging_supported, p);
538 }
539 btm_cb.cmn_ble_vsc_cb.values_read = TRUE;
540 }
541
542 BTM_TRACE_DEBUG("%s: stat=%d, irk=%d, ADV ins:%d, rpa=%d, ener=%d, ext_scan=%d",
543 __func__, status, btm_cb.cmn_ble_vsc_cb.max_irk_list_sz,
544 btm_cb.cmn_ble_vsc_cb.adv_inst_max, btm_cb.cmn_ble_vsc_cb.rpa_offloading,
545 btm_cb.cmn_ble_vsc_cb.energy_support, btm_cb.cmn_ble_vsc_cb.extended_scan_support);
546
547 if (BTM_BleMaxMultiAdvInstanceCount() > 0)
548 btm_ble_multi_adv_init();
549
550 if (btm_cb.cmn_ble_vsc_cb.max_filter > 0)
551 btm_ble_adv_filter_init();
552
553 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
554 /* VS capability included and non-4.2 device */
555 if (btm_cb.cmn_ble_vsc_cb.max_irk_list_sz > 0 &&
556 controller_get_interface()->get_ble_resolving_list_max_size() == 0)
557 btm_ble_resolving_list_init(btm_cb.cmn_ble_vsc_cb.max_irk_list_sz);
558 #endif
559
560 if (btm_cb.cmn_ble_vsc_cb.tot_scan_results_strg > 0)
561 btm_ble_batchscan_init();
562
563 if (p_ctrl_le_feature_rd_cmpl_cback != NULL)
564 p_ctrl_le_feature_rd_cmpl_cback(status);
565 #endif
566 }
567
568 /*******************************************************************************
569 **
570 ** Function BTM_BleGetVendorCapabilities
571 **
572 ** Description This function reads local LE features
573 **
574 ** Parameters p_cmn_vsc_cb : Locala LE capability structure
575 **
576 ** Returns void
577 **
578 *******************************************************************************/
BTM_BleGetVendorCapabilities(tBTM_BLE_VSC_CB * p_cmn_vsc_cb)579 extern void BTM_BleGetVendorCapabilities(tBTM_BLE_VSC_CB *p_cmn_vsc_cb)
580 {
581 BTM_TRACE_DEBUG("BTM_BleGetVendorCapabilities");
582
583 if (NULL != p_cmn_vsc_cb)
584 {
585 *p_cmn_vsc_cb = btm_cb.cmn_ble_vsc_cb;
586 }
587 }
588
589 /******************************************************************************
590 **
591 ** Function BTM_BleReadControllerFeatures
592 **
593 ** Description Reads BLE specific controller features
594 **
595 ** Parameters: tBTM_BLE_CTRL_FEATURES_CBACK : Callback to notify when features are read
596 **
597 ** Returns void
598 **
599 *******************************************************************************/
BTM_BleReadControllerFeatures(tBTM_BLE_CTRL_FEATURES_CBACK * p_vsc_cback)600 extern void BTM_BleReadControllerFeatures(tBTM_BLE_CTRL_FEATURES_CBACK *p_vsc_cback)
601 {
602 if (TRUE == btm_cb.cmn_ble_vsc_cb.values_read)
603 return;
604
605 #if BLE_VND_INCLUDED == TRUE
606 BTM_TRACE_DEBUG("BTM_BleReadControllerFeatures");
607
608 p_ctrl_le_feature_rd_cmpl_cback = p_vsc_cback;
609 if ( BTM_VendorSpecificCommand (HCI_BLE_VENDOR_CAP_OCF,
610 0,
611 NULL,
612 btm_ble_vendor_capability_vsc_cmpl_cback)
613 != BTM_CMD_STARTED)
614 {
615 BTM_TRACE_ERROR("LE Get_Vendor Capabilities Command Failed.");
616 }
617 #else
618 UNUSED(p_vsc_cback);
619 #endif
620 return ;
621 }
622
623 /*******************************************************************************
624 **
625 ** Function BTM_BleEnableMixedPrivacyMode
626 **
627 ** Description This function is called to enabled Mixed mode if privacy 1.2
628 ** is applicable in controller.
629 **
630 ** Parameters mixed_on: mixed mode to be used or not.
631 **
632 ** Returns void
633 **
634 *******************************************************************************/
BTM_BleEnableMixedPrivacyMode(BOOLEAN mixed_on)635 void BTM_BleEnableMixedPrivacyMode(BOOLEAN mixed_on)
636 {
637
638 #if BLE_PRIVACY_SPT == TRUE
639 btm_cb.ble_ctr_cb.mixed_mode = mixed_on;
640
641 /* TODO: send VSC to enabled mixed mode */
642 #endif
643 }
644
645 /*******************************************************************************
646 **
647 ** Function BTM_BleConfigPrivacy
648 **
649 ** Description This function is called to enable or disable the privacy in
650 ** LE channel of the local device.
651 **
652 ** Parameters privacy_mode: privacy mode on or off.
653 **
654 ** Returns BOOLEAN privacy mode set success; otherwise failed.
655 **
656 *******************************************************************************/
BTM_BleConfigPrivacy(BOOLEAN privacy_mode)657 BOOLEAN BTM_BleConfigPrivacy(BOOLEAN privacy_mode)
658 {
659 #if BLE_PRIVACY_SPT == TRUE
660 tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
661
662 BTM_TRACE_EVENT ("%s", __func__);
663
664 /* if LE is not supported, return error */
665 if (!controller_get_interface()->supports_ble())
666 return FALSE;
667
668 uint8_t addr_resolution = 0;
669 if(!privacy_mode)/* if privacy disabled, always use public address */
670 {
671 p_cb->addr_mgnt_cb.own_addr_type = BLE_ADDR_PUBLIC;
672 p_cb->privacy_mode = BTM_PRIVACY_NONE;
673 }
674 else /* privacy is turned on*/
675 {
676 /* always set host random address, used when privacy 1.1 or priavcy 1.2 is disabled */
677 p_cb->addr_mgnt_cb.own_addr_type = BLE_ADDR_RANDOM;
678 btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low);
679
680 if (BTM_BleMaxMultiAdvInstanceCount() > 0)
681 btm_ble_multi_adv_enb_privacy(privacy_mode);
682
683 /* 4.2 controller only allow privacy 1.2 or mixed mode, resolvable private address in controller */
684 if (controller_get_interface()->supports_ble_privacy())
685 {
686 addr_resolution = 1;
687 /* check vendor specific capability */
688 p_cb->privacy_mode = btm_cb.ble_ctr_cb.mixed_mode ? BTM_PRIVACY_MIXED : BTM_PRIVACY_1_2;
689 }
690 else /* 4.1/4.0 controller */
691 p_cb->privacy_mode = BTM_PRIVACY_1_1;
692 }
693
694 GAP_BleAttrDBUpdate (GATT_UUID_GAP_CENTRAL_ADDR_RESOL, (tGAP_BLE_ATTR_VALUE *)&addr_resolution);
695
696 return TRUE;
697 #else
698 return FALSE;
699 #endif
700 }
701
702 /*******************************************************************************
703 **
704 ** Function BTM_BleMaxMultiAdvInstanceCount
705 **
706 ** Description Returns max number of multi adv instances supported by controller
707 **
708 ** Returns Max multi adv instance count
709 **
710 *******************************************************************************/
BTM_BleMaxMultiAdvInstanceCount(void)711 extern UINT8 BTM_BleMaxMultiAdvInstanceCount(void)
712 {
713 return btm_cb.cmn_ble_vsc_cb.adv_inst_max < BTM_BLE_MULTI_ADV_MAX ?
714 btm_cb.cmn_ble_vsc_cb.adv_inst_max : BTM_BLE_MULTI_ADV_MAX;
715 }
716
717 #if BLE_PRIVACY_SPT == TRUE
718 /*******************************************************************************
719 **
720 ** Function btm_ble_resolve_random_addr_on_adv
721 **
722 ** Description resolve random address complete callback.
723 **
724 ** Returns void
725 **
726 *******************************************************************************/
btm_ble_resolve_random_addr_on_adv(void * p_rec,void * p)727 static void btm_ble_resolve_random_addr_on_adv(void * p_rec, void *p)
728 {
729 tBTM_SEC_DEV_REC *match_rec = (tBTM_SEC_DEV_REC *) p_rec;
730 UINT8 addr_type = BLE_ADDR_RANDOM;
731 BD_ADDR bda;
732 UINT8 *pp = (UINT8 *)p + 1;
733 UINT8 evt_type;
734
735 BTM_TRACE_EVENT ("btm_ble_resolve_random_addr_on_adv ");
736
737 STREAM_TO_UINT8 (evt_type, pp);
738 STREAM_TO_UINT8 (addr_type, pp);
739 STREAM_TO_BDADDR (bda, pp);
740
741 if (match_rec)
742 {
743 BTM_TRACE_DEBUG("Random match");
744 match_rec->ble.active_addr_type = BTM_BLE_ADDR_RRA;
745 memcpy(match_rec->ble.cur_rand_addr, bda, BD_ADDR_LEN);
746
747 if (btm_ble_init_pseudo_addr(match_rec, bda))
748 {
749 memcpy(bda, match_rec->bd_addr, BD_ADDR_LEN);
750 } else {
751 // Assign the original address to be the current report address
752 memcpy(bda, match_rec->ble.pseudo_addr, BD_ADDR_LEN);
753 }
754 }
755
756 btm_ble_process_adv_pkt_cont(bda, addr_type, evt_type, pp);
757
758 return;
759 }
760 #endif
761
762 /*******************************************************************************
763 **
764 ** Function BTM_BleLocalPrivacyEnabled
765 **
766 ** Description Checks if local device supports private address
767 **
768 ** Returns Return TRUE if local privacy is enabled else FALSE
769 **
770 *******************************************************************************/
BTM_BleLocalPrivacyEnabled(void)771 BOOLEAN BTM_BleLocalPrivacyEnabled(void)
772 {
773 #if BLE_PRIVACY_SPT == TRUE
774 return (btm_cb.ble_ctr_cb.privacy_mode != BTM_PRIVACY_NONE);
775 #else
776 return false;
777 #endif
778 }
779
780 /*******************************************************************************
781 **
782 ** Function BTM_BleSetBgConnType
783 **
784 ** Description This function is called to set BLE connectable mode for a
785 ** peripheral device.
786 **
787 ** Parameters bg_conn_type: it can be auto connection, or selective connection.
788 ** p_select_cback: callback function when selective connection procedure
789 ** is being used.
790 **
791 ** Returns void
792 **
793 *******************************************************************************/
BTM_BleSetBgConnType(tBTM_BLE_CONN_TYPE bg_conn_type,tBTM_BLE_SEL_CBACK * p_select_cback)794 BOOLEAN BTM_BleSetBgConnType(tBTM_BLE_CONN_TYPE bg_conn_type,
795 tBTM_BLE_SEL_CBACK *p_select_cback)
796 {
797 BOOLEAN started = TRUE;
798
799 BTM_TRACE_EVENT ("BTM_BleSetBgConnType ");
800 if (!controller_get_interface()->supports_ble())
801 return FALSE;
802
803 if (btm_cb.ble_ctr_cb.bg_conn_type != bg_conn_type)
804 {
805 switch (bg_conn_type)
806 {
807 case BTM_BLE_CONN_AUTO:
808 btm_ble_start_auto_conn(TRUE);
809 break;
810
811 case BTM_BLE_CONN_SELECTIVE:
812 if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_AUTO)
813 {
814 btm_ble_start_auto_conn(FALSE);
815 }
816 btm_ble_start_select_conn(TRUE, p_select_cback);
817 break;
818
819 case BTM_BLE_CONN_NONE:
820 if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_AUTO)
821 {
822 btm_ble_start_auto_conn(FALSE);
823 }
824 else if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_SELECTIVE)
825 {
826 btm_ble_start_select_conn(FALSE, NULL);
827 }
828 started = TRUE;
829 break;
830
831 default:
832 BTM_TRACE_ERROR("invalid bg connection type : %d ", bg_conn_type);
833 started = FALSE;
834 break;
835 }
836
837 if (started)
838 btm_cb.ble_ctr_cb.bg_conn_type = bg_conn_type;
839 }
840 return started;
841 }
842
843 /*******************************************************************************
844 **
845 ** Function BTM_BleClearBgConnDev
846 **
847 ** Description This function is called to clear the whitelist,
848 ** end any pending whitelist connections,
849 * and reset the local bg device list.
850 **
851 ** Parameters void
852 **
853 ** Returns void
854 **
855 *******************************************************************************/
BTM_BleClearBgConnDev(void)856 void BTM_BleClearBgConnDev(void)
857 {
858 btm_ble_start_auto_conn(FALSE);
859 btm_ble_clear_white_list();
860 gatt_reset_bgdev_list();
861 }
862
863 /*******************************************************************************
864 **
865 ** Function BTM_BleUpdateBgConnDev
866 **
867 ** Description This function is called to add or remove a device into/from
868 ** background connection procedure. The background connection
869 * procedure is decided by the background connection type, it can be
870 * auto connection, or selective connection.
871 **
872 ** Parameters add_remove: TRUE to add; FALSE to remove.
873 ** remote_bda: device address to add/remove.
874 **
875 ** Returns void
876 **
877 *******************************************************************************/
BTM_BleUpdateBgConnDev(BOOLEAN add_remove,BD_ADDR remote_bda)878 BOOLEAN BTM_BleUpdateBgConnDev(BOOLEAN add_remove, BD_ADDR remote_bda)
879 {
880 BTM_TRACE_EVENT("%s() add=%d", __func__, add_remove);
881 return btm_update_dev_to_white_list(add_remove, remote_bda);
882 }
883
884 /*******************************************************************************
885 **
886 ** Function BTM_BleSetConnectableMode
887 **
888 ** Description This function is called to set BLE connectable mode for a
889 ** peripheral device.
890 **
891 ** Parameters conn_mode: directed connectable mode, or non-directed.It can
892 ** be BTM_BLE_CONNECT_EVT, BTM_BLE_CONNECT_DIR_EVT or
893 ** BTM_BLE_CONNECT_LO_DUTY_DIR_EVT
894 **
895 ** Returns BTM_ILLEGAL_VALUE if controller does not support BLE.
896 ** BTM_SUCCESS is status set successfully; otherwise failure.
897 **
898 *******************************************************************************/
BTM_BleSetConnectableMode(tBTM_BLE_CONN_MODE connectable_mode)899 tBTM_STATUS BTM_BleSetConnectableMode(tBTM_BLE_CONN_MODE connectable_mode)
900 {
901 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
902
903 BTM_TRACE_EVENT ("%s connectable_mode = %d ", __func__, connectable_mode);
904 if (!controller_get_interface()->supports_ble())
905 return BTM_ILLEGAL_VALUE;
906
907 p_cb->directed_conn = connectable_mode;
908 return btm_ble_set_connectability( p_cb->connectable_mode);
909 }
910
911 /*******************************************************************************
912 **
913 ** Function btm_set_conn_mode_adv_init_addr
914 **
915 ** Description set initator address type and local address type based on adv
916 ** mode.
917 **
918 **
919 *******************************************************************************/
btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB * p_cb,BD_ADDR_PTR p_peer_addr_ptr,tBLE_ADDR_TYPE * p_peer_addr_type,tBLE_ADDR_TYPE * p_own_addr_type)920 static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb,
921 BD_ADDR_PTR p_peer_addr_ptr,
922 tBLE_ADDR_TYPE *p_peer_addr_type,
923 tBLE_ADDR_TYPE *p_own_addr_type)
924 {
925 UINT8 evt_type, i = BTM_SEC_MAX_DEVICE_RECORDS;
926 tBTM_SEC_DEV_REC *p_dev_rec;
927
928 evt_type = (p_cb->connectable_mode == BTM_BLE_NON_CONNECTABLE) ? \
929 ((p_cb->scan_rsp) ? BTM_BLE_DISCOVER_EVT : BTM_BLE_NON_CONNECT_EVT )\
930 : BTM_BLE_CONNECT_EVT;
931
932 if (evt_type == BTM_BLE_CONNECT_EVT)
933 {
934 evt_type = p_cb->directed_conn;
935
936 if ( p_cb->directed_conn == BTM_BLE_CONNECT_DIR_EVT ||
937 p_cb->directed_conn == BTM_BLE_CONNECT_LO_DUTY_DIR_EVT)
938 {
939
940 #if BLE_PRIVACY_SPT == TRUE
941 /* for privacy 1.2, convert peer address as static, own address set as ID addr */
942 if (btm_cb.ble_ctr_cb.privacy_mode == BTM_PRIVACY_1_2 ||
943 btm_cb.ble_ctr_cb.privacy_mode == BTM_PRIVACY_MIXED)
944 {
945 /* only do so for bonded device */
946 if ((p_dev_rec = btm_find_or_alloc_dev (p_cb->direct_bda.bda)) != NULL &&
947 p_dev_rec->ble.in_controller_list & BTM_RESOLVING_LIST_BIT)
948 {
949 btm_ble_enable_resolving_list(BTM_BLE_RL_ADV);
950 memcpy(p_peer_addr_ptr, p_dev_rec->ble.static_addr, BD_ADDR_LEN);
951 *p_peer_addr_type = p_dev_rec->ble.static_addr_type;
952 *p_own_addr_type = BLE_ADDR_RANDOM_ID;
953 return evt_type;
954 }
955 /* otherwise fall though as normal directed adv */
956 else
957 {
958 btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, TRUE);
959 }
960 }
961 #endif
962 /* direct adv mode does not have privacy, if privacy is not enabled */
963 *p_peer_addr_type = p_cb->direct_bda.type;
964 memcpy(p_peer_addr_ptr, p_cb->direct_bda.bda, BD_ADDR_LEN);
965 return evt_type;
966 }
967 }
968
969 /* undirect adv mode or non-connectable mode*/
970 #if BLE_PRIVACY_SPT == TRUE
971 /* when privacy 1.2 privacy only mode is used, or mixed mode */
972 if ((btm_cb.ble_ctr_cb.privacy_mode == BTM_PRIVACY_1_2 && p_cb->afp != AP_SCAN_CONN_ALL) ||
973 btm_cb.ble_ctr_cb.privacy_mode == BTM_PRIVACY_MIXED)
974 {
975 /* if enhanced privacy is required, set Identity address and matching IRK peer */
976 for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i ++)
977 {
978 if ((btm_cb.sec_dev_rec[i].sec_flags & BTM_SEC_IN_USE) != 0 &&
979 (btm_cb.sec_dev_rec[i].ble.in_controller_list & BTM_RESOLVING_LIST_BIT) != 0)
980 {
981 memcpy(p_peer_addr_ptr, btm_cb.sec_dev_rec[i].ble.static_addr, BD_ADDR_LEN);
982 *p_peer_addr_type = btm_cb.sec_dev_rec[i].ble.static_addr_type;
983 break;
984 }
985 }
986
987 if (i != BTM_SEC_MAX_DEVICE_RECORDS)
988 *p_own_addr_type = BLE_ADDR_RANDOM_ID;
989 else
990 /* resolving list is empty, not enabled */
991 *p_own_addr_type = BLE_ADDR_RANDOM;
992 }
993 /* privacy 1.1, or privacy 1.2, general discoverable/connectable mode, disable privacy in */
994 /* controller fall back to host based privacy */
995 else if (btm_cb.ble_ctr_cb.privacy_mode != BTM_PRIVACY_NONE)
996 {
997 *p_own_addr_type = BLE_ADDR_RANDOM;
998 }
999 #endif
1000
1001 /* if no privacy,do not set any peer address,*/
1002 /* local address type go by global privacy setting */
1003 return evt_type;
1004 }
1005
1006 /*******************************************************************************
1007 **
1008 ** Function BTM_BleSetAdvParams
1009 **
1010 ** Description This function is called to set advertising parameters.
1011 **
1012 ** Parameters adv_int_min: minimum advertising interval
1013 ** adv_int_max: maximum advertising interval
1014 ** p_dir_bda: connectable direct initiator's LE device address
1015 ** chnl_map: advertising channel map.
1016 **
1017 ** Returns void
1018 **
1019 *******************************************************************************/
BTM_BleSetAdvParams(UINT16 adv_int_min,UINT16 adv_int_max,tBLE_BD_ADDR * p_dir_bda,tBTM_BLE_ADV_CHNL_MAP chnl_map)1020 tBTM_STATUS BTM_BleSetAdvParams(UINT16 adv_int_min, UINT16 adv_int_max,
1021 tBLE_BD_ADDR *p_dir_bda,
1022 tBTM_BLE_ADV_CHNL_MAP chnl_map)
1023 {
1024 tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
1025 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
1026 tBTM_STATUS status = BTM_SUCCESS;
1027 BD_ADDR p_addr_ptr = {0};
1028 tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC;
1029 tBLE_ADDR_TYPE own_addr_type = p_addr_cb->own_addr_type;
1030 UINT8 adv_mode = p_cb->adv_mode;
1031
1032 BTM_TRACE_EVENT ("BTM_BleSetAdvParams");
1033
1034 if (!controller_get_interface()->supports_ble())
1035 return BTM_ILLEGAL_VALUE;
1036
1037 if (!BTM_BLE_ISVALID_PARAM(adv_int_min, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX) ||
1038 !BTM_BLE_ISVALID_PARAM(adv_int_max, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX))
1039 {
1040 return BTM_ILLEGAL_VALUE;
1041 }
1042
1043 p_cb->adv_interval_min = adv_int_min;
1044 p_cb->adv_interval_max = adv_int_max;
1045 p_cb->adv_chnl_map = chnl_map;
1046
1047 if (p_dir_bda)
1048 {
1049 memcpy(&p_cb->direct_bda, p_dir_bda, sizeof(tBLE_BD_ADDR));
1050 }
1051
1052 BTM_TRACE_EVENT ("update params for an active adv");
1053
1054 btm_ble_stop_adv();
1055
1056 p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type,
1057 &own_addr_type);
1058
1059 /* update adv params */
1060 btsnd_hcic_ble_write_adv_params (p_cb->adv_interval_min,
1061 p_cb->adv_interval_max,
1062 p_cb->evt_type,
1063 own_addr_type,
1064 init_addr_type,
1065 p_addr_ptr,
1066 p_cb->adv_chnl_map,
1067 p_cb->afp);
1068
1069 if (adv_mode == BTM_BLE_ADV_ENABLE)
1070 btm_ble_start_adv();
1071
1072 return status;
1073 }
1074
1075 /*******************************************************************************
1076 **
1077 ** Function BTM_BleReadAdvParams
1078 **
1079 ** Description This function is called to set advertising parameters.
1080 **
1081 ** Parameters adv_int_min: minimum advertising interval
1082 ** adv_int_max: maximum advertising interval
1083 ** p_dir_bda: connectable direct initiator's LE device address
1084 ** chnl_map: advertising channel map.
1085 **
1086 ** Returns void
1087 **
1088 *******************************************************************************/
BTM_BleReadAdvParams(UINT16 * adv_int_min,UINT16 * adv_int_max,tBLE_BD_ADDR * p_dir_bda,tBTM_BLE_ADV_CHNL_MAP * p_chnl_map)1089 void BTM_BleReadAdvParams (UINT16 *adv_int_min, UINT16 *adv_int_max,
1090 tBLE_BD_ADDR *p_dir_bda, tBTM_BLE_ADV_CHNL_MAP *p_chnl_map)
1091 {
1092 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
1093
1094 BTM_TRACE_EVENT ("BTM_BleReadAdvParams ");
1095 if (!controller_get_interface()->supports_ble())
1096 return ;
1097
1098 *adv_int_min = p_cb->adv_interval_min;
1099 *adv_int_max = p_cb->adv_interval_max;
1100 *p_chnl_map = p_cb->adv_chnl_map;
1101
1102 if (p_dir_bda != NULL)
1103 {
1104 memcpy(p_dir_bda, &p_cb->direct_bda, sizeof(tBLE_BD_ADDR));
1105 }
1106 }
1107
1108 /*******************************************************************************
1109 **
1110 ** Function BTM_BleSetScanParams
1111 **
1112 ** Description This function is called to set scan parameters.
1113 **
1114 ** Parameters client_if - Client IF
1115 ** scan_interval - Scan interval
1116 ** scan_window - Scan window
1117 ** scan_mode - Scan mode
1118 ** scan_setup_status_cback - Scan param setup status callback
1119 **
1120 ** Returns void
1121 **
1122 *******************************************************************************/
BTM_BleSetScanParams(tGATT_IF client_if,UINT32 scan_interval,UINT32 scan_window,tBLE_SCAN_MODE scan_mode,tBLE_SCAN_PARAM_SETUP_CBACK scan_setup_status_cback)1123 void BTM_BleSetScanParams(tGATT_IF client_if, UINT32 scan_interval, UINT32 scan_window,
1124 tBLE_SCAN_MODE scan_mode,
1125 tBLE_SCAN_PARAM_SETUP_CBACK scan_setup_status_cback)
1126 {
1127 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
1128 UINT32 max_scan_interval;
1129 UINT32 max_scan_window;
1130
1131 BTM_TRACE_EVENT ("%s", __func__);
1132 if (!controller_get_interface()->supports_ble())
1133 return;
1134
1135 /* If not supporting extended scan support, use the older range for checking */
1136 if (btm_cb.cmn_ble_vsc_cb.extended_scan_support == 0)
1137 {
1138 max_scan_interval = BTM_BLE_SCAN_INT_MAX;
1139 max_scan_window = BTM_BLE_SCAN_WIN_MAX;
1140 }
1141 else
1142 {
1143 /* If supporting extended scan support, use the new extended range for checking */
1144 max_scan_interval = BTM_BLE_EXT_SCAN_INT_MAX;
1145 max_scan_window = BTM_BLE_EXT_SCAN_WIN_MAX;
1146 }
1147
1148 if (BTM_BLE_ISVALID_PARAM(scan_interval, BTM_BLE_SCAN_INT_MIN, max_scan_interval) &&
1149 BTM_BLE_ISVALID_PARAM(scan_window, BTM_BLE_SCAN_WIN_MIN, max_scan_window) &&
1150 (scan_mode == BTM_BLE_SCAN_MODE_ACTI || scan_mode == BTM_BLE_SCAN_MODE_PASS))
1151 {
1152 p_cb->scan_type = scan_mode;
1153 p_cb->scan_interval = scan_interval;
1154 p_cb->scan_window = scan_window;
1155
1156 if (scan_setup_status_cback != NULL)
1157 scan_setup_status_cback(client_if, BTM_SUCCESS);
1158 }
1159 else
1160 {
1161 if (scan_setup_status_cback != NULL)
1162 scan_setup_status_cback(client_if, BTM_ILLEGAL_VALUE);
1163
1164 BTM_TRACE_ERROR("Illegal params: scan_interval = %d scan_window = %d",
1165 scan_interval, scan_window);
1166 }
1167
1168 }
1169
1170 /*******************************************************************************
1171 **
1172 ** Function BTM_BleWriteScanRsp
1173 **
1174 ** Description This function is called to write LE scan response.
1175 **
1176 ** Parameters: p_scan_rsp: scan response information.
1177 **
1178 ** Returns void
1179 **
1180 *******************************************************************************/
BTM_BleWriteScanRsp(tBTM_BLE_AD_MASK data_mask,tBTM_BLE_ADV_DATA * p_data)1181 tBTM_STATUS BTM_BleWriteScanRsp(tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p_data)
1182 {
1183 tBTM_STATUS status = BTM_NO_RESOURCES;
1184 UINT8 rsp_data[BTM_BLE_AD_DATA_LEN],
1185 *p = rsp_data;
1186
1187 BTM_TRACE_EVENT (" BTM_BleWriteScanRsp");
1188
1189 if (!controller_get_interface()->supports_ble())
1190 return BTM_ILLEGAL_VALUE;
1191
1192 memset(rsp_data, 0, BTM_BLE_AD_DATA_LEN);
1193 btm_ble_build_adv_data(&data_mask, &p, p_data);
1194
1195 if (btsnd_hcic_ble_set_scan_rsp_data((UINT8)(p - rsp_data), rsp_data))
1196 {
1197 status = BTM_SUCCESS;
1198
1199 if (data_mask != 0)
1200 btm_cb.ble_ctr_cb.inq_var.scan_rsp = TRUE;
1201 else
1202 btm_cb.ble_ctr_cb.inq_var.scan_rsp = FALSE;
1203 }
1204 else
1205 status = BTM_ILLEGAL_VALUE;
1206
1207 return status;
1208 }
1209
1210 /*******************************************************************************
1211 **
1212 ** Function BTM_BleWriteAdvData
1213 **
1214 ** Description This function is called to write advertising data.
1215 **
1216 ** Parameters: None.
1217 **
1218 ** Returns void
1219 **
1220 *******************************************************************************/
BTM_BleWriteAdvData(tBTM_BLE_AD_MASK data_mask,tBTM_BLE_ADV_DATA * p_data)1221 tBTM_STATUS BTM_BleWriteAdvData(tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p_data)
1222 {
1223 tBTM_BLE_LOCAL_ADV_DATA *p_cb_data = &btm_cb.ble_ctr_cb.inq_var.adv_data;
1224 UINT8 *p;
1225 tBTM_BLE_AD_MASK mask = data_mask;
1226
1227 BTM_TRACE_EVENT ("BTM_BleWriteAdvData ");
1228
1229 if (!controller_get_interface()->supports_ble())
1230 return BTM_ILLEGAL_VALUE;
1231
1232 memset(p_cb_data, 0, sizeof(tBTM_BLE_LOCAL_ADV_DATA));
1233 p = p_cb_data->ad_data;
1234 p_cb_data->data_mask = data_mask;
1235
1236 p_cb_data->p_flags = btm_ble_build_adv_data(&mask, &p, p_data);
1237
1238 p_cb_data->p_pad = p;
1239
1240 if (mask != 0)
1241 {
1242 BTM_TRACE_ERROR("Partial data write into ADV");
1243 }
1244
1245 p_cb_data->data_mask &= ~mask;
1246
1247 if (btsnd_hcic_ble_set_adv_data((UINT8)(p_cb_data->p_pad - p_cb_data->ad_data),
1248 p_cb_data->ad_data))
1249 return BTM_SUCCESS;
1250 else
1251 return BTM_NO_RESOURCES;
1252
1253 }
1254
1255 /*******************************************************************************
1256 **
1257 ** Function BTM_CheckAdvData
1258 **
1259 ** Description This function is called to get ADV data for a specific type.
1260 **
1261 ** Parameters p_adv - pointer of ADV data
1262 ** type - finding ADV data type
1263 ** p_length - return the length of ADV data not including type
1264 **
1265 ** Returns pointer of ADV data
1266 **
1267 *******************************************************************************/
BTM_CheckAdvData(UINT8 * p_adv,UINT8 type,UINT8 * p_length)1268 UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length)
1269 {
1270 UINT8 *p = p_adv;
1271 UINT8 length;
1272 UINT8 adv_type;
1273 BTM_TRACE_API("BTM_CheckAdvData type=0x%02X", type);
1274
1275 STREAM_TO_UINT8(length, p);
1276
1277 while ( length && (p - p_adv <= BTM_BLE_CACHE_ADV_DATA_MAX))
1278 {
1279 STREAM_TO_UINT8(adv_type, p);
1280
1281 if ( adv_type == type )
1282 {
1283 /* length doesn't include itself */
1284 *p_length = length - 1; /* minus the length of type */
1285 return p;
1286 }
1287 p += length - 1; /* skip the length of data */
1288 STREAM_TO_UINT8(length, p);
1289 }
1290
1291 *p_length = 0;
1292 return NULL;
1293 }
1294
1295 /*******************************************************************************
1296 **
1297 ** Function BTM__BLEReadDiscoverability
1298 **
1299 ** Description This function is called to read the current LE discoverability
1300 ** mode of the device.
1301 **
1302 ** Returns BTM_BLE_NON_DISCOVERABLE ,BTM_BLE_LIMITED_DISCOVERABLE or
1303 ** BTM_BLE_GENRAL_DISCOVERABLE
1304 **
1305 *******************************************************************************/
BTM_BleReadDiscoverability()1306 UINT16 BTM_BleReadDiscoverability()
1307 {
1308 BTM_TRACE_API("%s", __FUNCTION__);
1309
1310 return (btm_cb.ble_ctr_cb.inq_var.discoverable_mode);
1311 }
1312
1313 /*******************************************************************************
1314 **
1315 ** Function BTM__BLEReadConnectability
1316 **
1317 ** Description This function is called to read the current LE connectibility
1318 ** mode of the device.
1319 **
1320 ** Returns BTM_BLE_NON_CONNECTABLE or BTM_BLE_CONNECTABLE
1321 **
1322 *******************************************************************************/
BTM_BleReadConnectability()1323 UINT16 BTM_BleReadConnectability()
1324 {
1325 BTM_TRACE_API ("%s", __FUNCTION__);
1326
1327 return (btm_cb.ble_ctr_cb.inq_var.connectable_mode);
1328 }
1329
1330 /*******************************************************************************
1331 **
1332 ** Function btm_ble_build_adv_data
1333 **
1334 ** Description This function is called build the adv data and rsp data.
1335 *******************************************************************************/
btm_ble_build_adv_data(tBTM_BLE_AD_MASK * p_data_mask,UINT8 ** p_dst,tBTM_BLE_ADV_DATA * p_data)1336 UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst,
1337 tBTM_BLE_ADV_DATA *p_data)
1338 {
1339 UINT32 data_mask = *p_data_mask;
1340 UINT8 *p = *p_dst,
1341 *p_flag = NULL;
1342 UINT16 len = BTM_BLE_AD_DATA_LEN, cp_len = 0;
1343 UINT8 i = 0;
1344 tBTM_BLE_PROP_ELEM *p_elem;
1345
1346 BTM_TRACE_EVENT (" btm_ble_build_adv_data");
1347
1348 /* build the adv data structure and build the data string */
1349 if (data_mask)
1350 {
1351 /* flags */
1352 if (data_mask & BTM_BLE_AD_BIT_FLAGS)
1353 {
1354 *p++ = MIN_ADV_LENGTH;
1355 *p++ = BTM_BLE_AD_TYPE_FLAG;
1356 p_flag = p;
1357 if (p_data)
1358 *p++ = p_data->flag;
1359 else
1360 *p++ = 0;
1361
1362 len -= 3;
1363
1364 data_mask &= ~BTM_BLE_AD_BIT_FLAGS;
1365 }
1366 /* appearance data */
1367 if (len > 3 && data_mask & BTM_BLE_AD_BIT_APPEARANCE)
1368 {
1369 *p++ = 3; /* length */
1370 *p++ = BTM_BLE_AD_TYPE_APPEARANCE;
1371 UINT16_TO_STREAM(p, p_data->appearance);
1372 len -= 4;
1373
1374 data_mask &= ~BTM_BLE_AD_BIT_APPEARANCE;
1375 }
1376 /* device name */
1377 #if BTM_MAX_LOC_BD_NAME_LEN > 0
1378 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_DEV_NAME)
1379 {
1380 if (strlen(btm_cb.cfg.bd_name) > (UINT16)(len - MIN_ADV_LENGTH))
1381 {
1382 *p++ = len - MIN_ADV_LENGTH + 1;
1383 *p++ = BTM_BLE_AD_TYPE_NAME_SHORT;
1384 ARRAY_TO_STREAM(p, btm_cb.cfg.bd_name, len - MIN_ADV_LENGTH);
1385 }
1386 else
1387 {
1388 cp_len = (UINT16)strlen(btm_cb.cfg.bd_name);
1389 *p++ = cp_len + 1;
1390 *p++ = BTM_BLE_AD_TYPE_NAME_CMPL;
1391 ARRAY_TO_STREAM(p, btm_cb.cfg.bd_name, cp_len);
1392 }
1393 len -= (cp_len + MIN_ADV_LENGTH);
1394 data_mask &= ~BTM_BLE_AD_BIT_DEV_NAME;
1395 }
1396 #endif
1397 /* manufacturer data */
1398 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_MANU &&
1399 p_data && p_data->p_manu &&
1400 p_data->p_manu->len != 0 && p_data->p_manu->p_val)
1401 {
1402 if (p_data->p_manu->len > (len - MIN_ADV_LENGTH))
1403 cp_len = len - MIN_ADV_LENGTH;
1404 else
1405 cp_len = p_data->p_manu->len;
1406
1407 *p++ = cp_len + 1;
1408 *p++ = BTM_BLE_AD_TYPE_MANU;
1409 ARRAY_TO_STREAM(p, p_data->p_manu->p_val, cp_len);
1410
1411 len -= (cp_len + MIN_ADV_LENGTH);
1412 data_mask &= ~BTM_BLE_AD_BIT_MANU;
1413 }
1414 /* TX power */
1415 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_TX_PWR)
1416 {
1417 *p++ = MIN_ADV_LENGTH;
1418 *p++ = BTM_BLE_AD_TYPE_TX_PWR;
1419 if (p_data->tx_power > BTM_BLE_ADV_TX_POWER_MAX)
1420 p_data->tx_power = BTM_BLE_ADV_TX_POWER_MAX;
1421 *p++ = btm_ble_map_adv_tx_power(p_data->tx_power);
1422 len -= 3;
1423 data_mask &= ~BTM_BLE_AD_BIT_TX_PWR;
1424 }
1425 /* 16 bits services */
1426 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE &&
1427 p_data && p_data->p_services &&
1428 p_data->p_services->num_service != 0 &&
1429 p_data->p_services->p_uuid)
1430 {
1431 if (p_data->p_services->num_service * LEN_UUID_16 > (len - MIN_ADV_LENGTH))
1432 {
1433 cp_len = (len - MIN_ADV_LENGTH)/LEN_UUID_16;
1434 *p ++ = 1 + cp_len * LEN_UUID_16;
1435 *p++ = BTM_BLE_AD_TYPE_16SRV_PART;
1436 }
1437 else
1438 {
1439 cp_len = p_data->p_services->num_service;
1440 *p++ = 1 + cp_len * LEN_UUID_16;
1441 *p++ = BTM_BLE_AD_TYPE_16SRV_CMPL;
1442 }
1443 for (i = 0; i < cp_len; i ++)
1444 {
1445 UINT16_TO_STREAM(p, *(p_data->p_services->p_uuid + i));
1446 }
1447
1448 len -= (cp_len * MIN_ADV_LENGTH + MIN_ADV_LENGTH);
1449 data_mask &= ~BTM_BLE_AD_BIT_SERVICE;
1450 }
1451 /* 32 bits service uuid */
1452 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_32 &&
1453 p_data && p_data->p_service_32b &&
1454 p_data->p_service_32b->num_service != 0 &&
1455 p_data->p_service_32b->p_uuid)
1456 {
1457 if ((p_data->p_service_32b->num_service * LEN_UUID_32) > (len - MIN_ADV_LENGTH))
1458 {
1459 cp_len = (len - MIN_ADV_LENGTH)/LEN_UUID_32;
1460 *p ++ = 1 + cp_len * LEN_UUID_32;
1461 *p++ = BTM_BLE_AD_TYPE_32SRV_PART;
1462 }
1463 else
1464 {
1465 cp_len = p_data->p_service_32b->num_service;
1466 *p++ = 1 + cp_len * LEN_UUID_32;
1467 *p++ = BTM_BLE_AD_TYPE_32SRV_CMPL;
1468 }
1469 for (i = 0; i < cp_len; i ++)
1470 {
1471 UINT32_TO_STREAM(p, *(p_data->p_service_32b->p_uuid + i));
1472 }
1473
1474 len -= (cp_len * LEN_UUID_32 + MIN_ADV_LENGTH);
1475 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_32;
1476 }
1477 /* 128 bits services */
1478 if (len >= (MAX_UUID_SIZE + 2) && data_mask & BTM_BLE_AD_BIT_SERVICE_128 &&
1479 p_data && p_data->p_services_128b)
1480 {
1481 *p ++ = 1 + MAX_UUID_SIZE;
1482 if (!p_data->p_services_128b->list_cmpl)
1483 *p++ = BTM_BLE_AD_TYPE_128SRV_PART;
1484 else
1485 *p++ = BTM_BLE_AD_TYPE_128SRV_CMPL;
1486
1487 ARRAY_TO_STREAM(p, p_data->p_services_128b->uuid128, MAX_UUID_SIZE);
1488
1489 len -= (MAX_UUID_SIZE + MIN_ADV_LENGTH);
1490 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_128;
1491 }
1492 /* 32 bits Service Solicitation UUIDs */
1493 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_32SOL &&
1494 p_data && p_data->p_sol_service_32b &&
1495 p_data->p_sol_service_32b->num_service != 0 &&
1496 p_data->p_sol_service_32b->p_uuid)
1497 {
1498 if ((p_data->p_sol_service_32b->num_service * LEN_UUID_32) > (len - MIN_ADV_LENGTH))
1499 {
1500 cp_len = (len - MIN_ADV_LENGTH)/LEN_UUID_32;
1501 *p ++ = 1 + cp_len * LEN_UUID_32;
1502 }
1503 else
1504 {
1505 cp_len = p_data->p_sol_service_32b->num_service;
1506 *p++ = 1 + cp_len * LEN_UUID_32;
1507 }
1508
1509 *p++ = BTM_BLE_AD_TYPE_32SOL_SRV_UUID;
1510 for (i = 0; i < cp_len; i ++)
1511 {
1512 UINT32_TO_STREAM(p, *(p_data->p_sol_service_32b->p_uuid + i));
1513 }
1514
1515 len -= (cp_len * LEN_UUID_32 + MIN_ADV_LENGTH);
1516 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_32SOL;
1517 }
1518 /* 128 bits Solicitation services UUID */
1519 if (len >= (MAX_UUID_SIZE + MIN_ADV_LENGTH) && data_mask & BTM_BLE_AD_BIT_SERVICE_128SOL &&
1520 p_data && p_data->p_sol_service_128b)
1521 {
1522 *p ++ = 1 + MAX_UUID_SIZE;
1523 *p++ = BTM_BLE_AD_TYPE_128SOL_SRV_UUID;
1524 ARRAY_TO_STREAM(p, p_data->p_sol_service_128b->uuid128, MAX_UUID_SIZE);
1525 len -= (MAX_UUID_SIZE + MIN_ADV_LENGTH);
1526 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_128SOL;
1527 }
1528 /* 16bits/32bits/128bits Service Data */
1529 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_DATA &&
1530 p_data && p_data->p_service_data->len != 0 && p_data->p_service_data->p_val)
1531 {
1532 if (len > (p_data->p_service_data->service_uuid.len + MIN_ADV_LENGTH))
1533 {
1534 if (p_data->p_service_data->len > (len - MIN_ADV_LENGTH))
1535 cp_len = len - MIN_ADV_LENGTH- p_data->p_service_data->service_uuid.len;
1536 else
1537 cp_len = p_data->p_service_data->len;
1538
1539 *p++ = cp_len + 1 + p_data->p_service_data->service_uuid.len;
1540 if (p_data->p_service_data->service_uuid.len == LEN_UUID_16)
1541 {
1542 *p++ = BTM_BLE_AD_TYPE_SERVICE_DATA;
1543 UINT16_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid16);
1544 }
1545 else if (p_data->p_service_data->service_uuid.len == LEN_UUID_32)
1546 {
1547 *p++ = BTM_BLE_AD_TYPE_32SERVICE_DATA;
1548 UINT32_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid32);
1549 }
1550 else
1551 {
1552 *p++ = BTM_BLE_AD_TYPE_128SERVICE_DATA;
1553 ARRAY_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid128,
1554 LEN_UUID_128);
1555 }
1556
1557 ARRAY_TO_STREAM(p, p_data->p_service_data->p_val, cp_len);
1558
1559 len -= (cp_len + MIN_ADV_LENGTH + p_data->p_service_data->service_uuid.len);
1560 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_DATA;
1561 }
1562 else
1563 {
1564 BTM_TRACE_WARNING("service data does not fit");
1565 }
1566 }
1567
1568 if (len >= 6 && data_mask & BTM_BLE_AD_BIT_INT_RANGE &&
1569 p_data)
1570 {
1571 *p++ = 5;
1572 *p++ = BTM_BLE_AD_TYPE_INT_RANGE;
1573 UINT16_TO_STREAM(p, p_data->int_range.low);
1574 UINT16_TO_STREAM(p, p_data->int_range.hi);
1575 len -= 6;
1576 data_mask &= ~BTM_BLE_AD_BIT_INT_RANGE;
1577 }
1578 if (data_mask & BTM_BLE_AD_BIT_PROPRIETARY && p_data && p_data->p_proprietary)
1579 {
1580 for (i = 0; i < p_data->p_proprietary->num_elem ; i ++)
1581 {
1582 p_elem = p_data->p_proprietary->p_elem + i;
1583
1584 if (len >= (MIN_ADV_LENGTH + p_elem->len))/* len byte(1) + ATTR type(1) + Uuid len(2)
1585 + value length */
1586 {
1587 *p ++ = p_elem->len + 1; /* Uuid len + value length */
1588 *p ++ = p_elem->adv_type;
1589 ARRAY_TO_STREAM(p, p_elem->p_val, p_elem->len);
1590
1591 len -= (MIN_ADV_LENGTH + p_elem->len);
1592 }
1593 else
1594 {
1595 BTM_TRACE_WARNING("data exceed max adv packet length");
1596 break;
1597 }
1598 }
1599 data_mask &= ~BTM_BLE_AD_BIT_PROPRIETARY;
1600 }
1601 }
1602
1603 *p_data_mask = data_mask;
1604 *p_dst = p;
1605
1606 return p_flag;
1607 }
1608 /*******************************************************************************
1609 **
1610 ** Function btm_ble_select_adv_interval
1611 **
1612 ** Description select adv interval based on device mode
1613 **
1614 ** Returns void
1615 **
1616 *******************************************************************************/
btm_ble_select_adv_interval(tBTM_BLE_INQ_CB * p_cb,UINT8 evt_type,UINT16 * p_adv_int_min,UINT16 * p_adv_int_max)1617 void btm_ble_select_adv_interval(tBTM_BLE_INQ_CB *p_cb, UINT8 evt_type, UINT16 *p_adv_int_min, UINT16 *p_adv_int_max)
1618 {
1619 if (p_cb->adv_interval_min && p_cb->adv_interval_max)
1620 {
1621 *p_adv_int_min = p_cb->adv_interval_min;
1622 *p_adv_int_max = p_cb->adv_interval_max;
1623 }
1624 else
1625 {
1626 switch (evt_type)
1627 {
1628 case BTM_BLE_CONNECT_EVT:
1629 case BTM_BLE_CONNECT_LO_DUTY_DIR_EVT:
1630 *p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_FAST_INT_1;
1631 break;
1632
1633 case BTM_BLE_NON_CONNECT_EVT:
1634 case BTM_BLE_DISCOVER_EVT:
1635 *p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_FAST_INT_2;
1636 break;
1637
1638 /* connectable directed event */
1639 case BTM_BLE_CONNECT_DIR_EVT:
1640 *p_adv_int_min = BTM_BLE_GAP_ADV_DIR_MIN_INT;
1641 *p_adv_int_max = BTM_BLE_GAP_ADV_DIR_MAX_INT;
1642 break;
1643
1644 default:
1645 *p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_SLOW_INT;
1646 break;
1647 }
1648 }
1649 return;
1650 }
1651
1652 /*******************************************************************************
1653 **
1654 ** Function btm_ble_update_dmt_flag_bits
1655 **
1656 ** Description Obtain updated adv flag value based on connect and discoverability mode.
1657 ** Also, setup DMT support value in the flag based on whether the controller
1658 ** supports both LE and BR/EDR.
1659 **
1660 ** Parameters: flag_value (Input / Output) - flag value
1661 ** connect_mode (Input) - Connect mode value
1662 ** disc_mode (Input) - discoverability mode
1663 **
1664 ** Returns void
1665 **
1666 *******************************************************************************/
btm_ble_update_dmt_flag_bits(UINT8 * adv_flag_value,const UINT16 connect_mode,const UINT16 disc_mode)1667 void btm_ble_update_dmt_flag_bits(UINT8 *adv_flag_value, const UINT16 connect_mode,
1668 const UINT16 disc_mode)
1669 {
1670 /* BR/EDR non-discoverable , non-connectable */
1671 if ((disc_mode & BTM_DISCOVERABLE_MASK) == 0 &&
1672 (connect_mode & BTM_CONNECTABLE_MASK) == 0)
1673 *adv_flag_value |= BTM_BLE_BREDR_NOT_SPT;
1674 else
1675 *adv_flag_value &= ~BTM_BLE_BREDR_NOT_SPT;
1676
1677 /* if local controller support, mark both controller and host support in flag */
1678 if (controller_get_interface()->supports_simultaneous_le_bredr())
1679 *adv_flag_value |= (BTM_BLE_DMT_CONTROLLER_SPT|BTM_BLE_DMT_HOST_SPT);
1680 else
1681 *adv_flag_value &= ~(BTM_BLE_DMT_CONTROLLER_SPT|BTM_BLE_DMT_HOST_SPT);
1682 }
1683
1684 /*******************************************************************************
1685 **
1686 ** Function btm_ble_set_adv_flag
1687 **
1688 ** Description Set adv flag in adv data.
1689 **
1690 ** Parameters: connect_mode (Input)- Connect mode value
1691 ** disc_mode (Input) - discoverability mode
1692 **
1693 ** Returns void
1694 **
1695 *******************************************************************************/
btm_ble_set_adv_flag(UINT16 connect_mode,UINT16 disc_mode)1696 void btm_ble_set_adv_flag(UINT16 connect_mode, UINT16 disc_mode)
1697 {
1698 UINT8 flag = 0, old_flag = 0;
1699 tBTM_BLE_LOCAL_ADV_DATA *p_adv_data = &btm_cb.ble_ctr_cb.inq_var.adv_data;
1700
1701 if (p_adv_data->p_flags != NULL)
1702 flag = old_flag = *(p_adv_data->p_flags);
1703
1704 btm_ble_update_dmt_flag_bits (&flag, connect_mode, disc_mode);
1705
1706 LOG_DEBUG("disc_mode %04x", disc_mode);
1707 /* update discoverable flag */
1708 if (disc_mode & BTM_BLE_LIMITED_DISCOVERABLE)
1709 {
1710 flag &= ~BTM_BLE_GEN_DISC_FLAG;
1711 flag |= BTM_BLE_LIMIT_DISC_FLAG;
1712 }
1713 else if (disc_mode & BTM_BLE_GENERAL_DISCOVERABLE)
1714 {
1715 flag |= BTM_BLE_GEN_DISC_FLAG;
1716 flag &= ~BTM_BLE_LIMIT_DISC_FLAG;
1717 }
1718 else /* remove all discoverable flags */
1719 {
1720 flag &= ~(BTM_BLE_LIMIT_DISC_FLAG|BTM_BLE_GEN_DISC_FLAG);
1721 }
1722
1723 if (flag != old_flag)
1724 {
1725 btm_ble_update_adv_flag(flag);
1726 }
1727 }
1728 /*******************************************************************************
1729 **
1730 ** Function btm_ble_set_discoverability
1731 **
1732 ** Description This function is called to set BLE discoverable mode.
1733 **
1734 ** Parameters: combined_mode: discoverability mode.
1735 **
1736 ** Returns BTM_SUCCESS is status set successfully; otherwise failure.
1737 **
1738 *******************************************************************************/
btm_ble_set_discoverability(UINT16 combined_mode)1739 tBTM_STATUS btm_ble_set_discoverability(UINT16 combined_mode)
1740 {
1741 tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
1742 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
1743 UINT16 mode = (combined_mode & BTM_BLE_DISCOVERABLE_MASK);
1744 UINT8 new_mode = BTM_BLE_ADV_ENABLE;
1745 UINT8 evt_type;
1746 tBTM_STATUS status = BTM_SUCCESS;
1747 BD_ADDR p_addr_ptr= {0};
1748 tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC,
1749 own_addr_type = p_addr_cb->own_addr_type;
1750 UINT16 adv_int_min, adv_int_max;
1751
1752 BTM_TRACE_EVENT ("%s mode=0x%0x combined_mode=0x%x", __FUNCTION__, mode, combined_mode);
1753
1754 /*** Check mode parameter ***/
1755 if (mode > BTM_BLE_MAX_DISCOVERABLE)
1756 return(BTM_ILLEGAL_VALUE);
1757
1758 p_cb->discoverable_mode = mode;
1759
1760 evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type);
1761
1762 if (p_cb->connectable_mode == BTM_BLE_NON_CONNECTABLE && mode == BTM_BLE_NON_DISCOVERABLE)
1763 new_mode = BTM_BLE_ADV_DISABLE;
1764
1765 btm_ble_select_adv_interval(p_cb, evt_type, &adv_int_min, &adv_int_max);
1766
1767 btu_stop_timer(&p_cb->fast_adv_timer);
1768
1769 /* update adv params if start advertising */
1770 BTM_TRACE_EVENT ("evt_type=0x%x p-cb->evt_type=0x%x ", evt_type, p_cb->evt_type);
1771
1772 if (new_mode == BTM_BLE_ADV_ENABLE)
1773 {
1774 btm_ble_set_adv_flag (btm_cb.btm_inq_vars.connectable_mode, combined_mode);
1775
1776 if (evt_type != p_cb->evt_type ||p_cb->adv_addr_type != own_addr_type
1777 || !p_cb->fast_adv_on)
1778 {
1779 btm_ble_stop_adv();
1780
1781 /* update adv params */
1782 if (!btsnd_hcic_ble_write_adv_params (adv_int_min,
1783 adv_int_max,
1784 evt_type,
1785 own_addr_type,
1786 init_addr_type,
1787 p_addr_ptr,
1788 p_cb->adv_chnl_map,
1789 p_cb->afp))
1790 {
1791 status = BTM_NO_RESOURCES;
1792 }
1793 else
1794 {
1795 p_cb->evt_type = evt_type;
1796 p_cb->adv_addr_type = own_addr_type;
1797 }
1798 }
1799 }
1800
1801 if (status == BTM_SUCCESS && p_cb->adv_mode != new_mode)
1802 {
1803 if (new_mode == BTM_BLE_ADV_ENABLE)
1804 status = btm_ble_start_adv();
1805 else
1806 status = btm_ble_stop_adv();
1807 }
1808
1809 if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
1810 {
1811 p_cb->fast_adv_on = TRUE;
1812 /* start initial GAP mode adv timer */
1813 btu_start_timer (&p_cb->fast_adv_timer, BTU_TTYPE_BLE_GAP_FAST_ADV,
1814 BTM_BLE_GAP_FAST_ADV_TOUT);
1815 }
1816 else
1817 {
1818 #if BLE_PRIVACY_SPT == TRUE
1819 btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, TRUE);
1820 #endif
1821 }
1822
1823 /* set up stop advertising timer */
1824 if (status == BTM_SUCCESS && mode == BTM_BLE_LIMITED_DISCOVERABLE)
1825 {
1826 BTM_TRACE_EVENT ("start timer for limited disc mode duration=%d (180 secs)", BTM_BLE_GAP_LIM_TOUT);
1827 /* start Tgap(lim_timeout) */
1828 btu_start_timer (&p_cb->inq_timer_ent, BTU_TTYPE_BLE_GAP_LIM_DISC,
1829 BTM_BLE_GAP_LIM_TOUT);
1830 }
1831 return status;
1832 }
1833
1834 /*******************************************************************************
1835 **
1836 ** Function btm_ble_set_connectability
1837 **
1838 ** Description This function is called to set BLE connectability mode.
1839 **
1840 ** Parameters: combined_mode: connectability mode.
1841 **
1842 ** Returns BTM_SUCCESS is status set successfully; otherwise failure.
1843 **
1844 *******************************************************************************/
btm_ble_set_connectability(UINT16 combined_mode)1845 tBTM_STATUS btm_ble_set_connectability(UINT16 combined_mode)
1846 {
1847 tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
1848 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
1849 UINT16 mode = (combined_mode & BTM_BLE_CONNECTABLE_MASK);
1850 UINT8 new_mode = BTM_BLE_ADV_ENABLE;
1851 UINT8 evt_type;
1852 tBTM_STATUS status = BTM_SUCCESS;
1853 BD_ADDR p_addr_ptr = {0};
1854 tBLE_ADDR_TYPE peer_addr_type = BLE_ADDR_PUBLIC,
1855 own_addr_type = p_addr_cb->own_addr_type;
1856 UINT16 adv_int_min, adv_int_max;
1857
1858 BTM_TRACE_EVENT ("%s mode=0x%0x combined_mode=0x%x", __FUNCTION__, mode, combined_mode);
1859
1860 /*** Check mode parameter ***/
1861 if (mode > BTM_BLE_MAX_CONNECTABLE)
1862 return(BTM_ILLEGAL_VALUE);
1863
1864 p_cb->connectable_mode = mode;
1865
1866 evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &peer_addr_type, &own_addr_type);
1867
1868 if (mode == BTM_BLE_NON_CONNECTABLE && p_cb->discoverable_mode == BTM_BLE_NON_DISCOVERABLE)
1869 new_mode = BTM_BLE_ADV_DISABLE;
1870
1871 btm_ble_select_adv_interval(p_cb, evt_type, &adv_int_min, &adv_int_max);
1872
1873 btu_stop_timer(&p_cb->fast_adv_timer);
1874 /* update adv params if needed */
1875 if (new_mode == BTM_BLE_ADV_ENABLE)
1876 {
1877 btm_ble_set_adv_flag (combined_mode, btm_cb.btm_inq_vars.discoverable_mode);
1878 if (p_cb->evt_type != evt_type || p_cb->adv_addr_type != p_addr_cb->own_addr_type
1879 || !p_cb->fast_adv_on)
1880 {
1881 btm_ble_stop_adv();
1882
1883 if (!btsnd_hcic_ble_write_adv_params (adv_int_min,
1884 adv_int_max,
1885 evt_type,
1886 own_addr_type,
1887 peer_addr_type,
1888 p_addr_ptr,
1889 p_cb->adv_chnl_map,
1890 p_cb->afp))
1891 {
1892 status = BTM_NO_RESOURCES;
1893 }
1894 else
1895 {
1896 p_cb->evt_type = evt_type;
1897 p_cb->adv_addr_type = own_addr_type;
1898 }
1899 }
1900 }
1901
1902 /* update advertising mode */
1903 if (status == BTM_SUCCESS && new_mode != p_cb->adv_mode)
1904 {
1905 if (new_mode == BTM_BLE_ADV_ENABLE)
1906 status = btm_ble_start_adv();
1907 else
1908 status = btm_ble_stop_adv();
1909 }
1910
1911 if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
1912 {
1913 p_cb->fast_adv_on = TRUE;
1914 /* start initial GAP mode adv timer */
1915 btu_start_timer (&p_cb->fast_adv_timer, BTU_TTYPE_BLE_GAP_FAST_ADV,
1916 BTM_BLE_GAP_FAST_ADV_TOUT);
1917 }
1918 else
1919 {
1920 #if BLE_PRIVACY_SPT == TRUE
1921 btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, TRUE);
1922 #endif
1923 }
1924 return status;
1925 }
1926
1927
1928 /*******************************************************************************
1929 **
1930 ** Function btm_ble_start_inquiry
1931 **
1932 ** Description This function is called to start BLE inquiry procedure.
1933 ** If the duration is zero, the periodic inquiry mode is cancelled.
1934 **
1935 ** Parameters: mode - GENERAL or LIMITED inquiry
1936 ** p_inq_params - pointer to the BLE inquiry parameter.
1937 ** p_results_cb - callback returning pointer to results (tBTM_INQ_RESULTS)
1938 ** p_cmpl_cb - callback indicating the end of an inquiry
1939 **
1940 **
1941 **
1942 ** Returns BTM_CMD_STARTED if successfully started
1943 ** BTM_NO_RESOURCES if could not allocate a message buffer
1944 ** BTM_BUSY - if an inquiry is already active
1945 **
1946 *******************************************************************************/
btm_ble_start_inquiry(UINT8 mode,UINT8 duration)1947 tBTM_STATUS btm_ble_start_inquiry (UINT8 mode, UINT8 duration)
1948 {
1949 tBTM_STATUS status = BTM_CMD_STARTED;
1950 tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb;
1951 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1952
1953 BTM_TRACE_DEBUG("btm_ble_start_inquiry: mode = %02x inq_active = 0x%02x", mode, btm_cb.btm_inq_vars.inq_active);
1954
1955 /* if selective connection is active, or inquiry is already active, reject it */
1956 if (BTM_BLE_IS_INQ_ACTIVE(p_ble_cb->scan_activity) ||
1957 BTM_BLE_IS_SEL_CONN_ACTIVE (p_ble_cb->scan_activity))
1958 {
1959 BTM_TRACE_ERROR("LE Inquiry is active, can not start inquiry");
1960 return(BTM_BUSY);
1961 }
1962
1963 if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity))
1964 {
1965 btsnd_hcic_ble_set_scan_params(BTM_BLE_SCAN_MODE_ACTI,
1966 BTM_BLE_LOW_LATENCY_SCAN_INT,
1967 BTM_BLE_LOW_LATENCY_SCAN_WIN,
1968 btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type,
1969 SP_ADV_ALL);
1970 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
1971 /* enable IRK list */
1972 btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_SCAN);
1973 #endif
1974 p_ble_cb->inq_var.scan_duplicate_filter = BTM_BLE_DUPLICATE_DISABLE;
1975 status = btm_ble_start_scan();
1976 }
1977 else if ((p_ble_cb->inq_var.scan_interval != BTM_BLE_LOW_LATENCY_SCAN_INT) ||
1978 (p_ble_cb->inq_var.scan_window != BTM_BLE_LOW_LATENCY_SCAN_WIN)) {
1979 BTM_TRACE_DEBUG("%s, restart LE scan with low latency scan params", __FUNCTION__);
1980 btsnd_hcic_ble_set_scan_enable(BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE);
1981 btsnd_hcic_ble_set_scan_params(BTM_BLE_SCAN_MODE_ACTI,
1982 BTM_BLE_LOW_LATENCY_SCAN_INT,
1983 BTM_BLE_LOW_LATENCY_SCAN_WIN,
1984 btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type,
1985 SP_ADV_ALL);
1986 btsnd_hcic_ble_set_scan_enable(BTM_BLE_SCAN_ENABLE, BTM_BLE_DUPLICATE_DISABLE);
1987 }
1988
1989 if (status == BTM_CMD_STARTED)
1990 {
1991 p_inq->inq_active |= mode;
1992 p_ble_cb->scan_activity |= mode;
1993
1994 BTM_TRACE_DEBUG("btm_ble_start_inquiry inq_active = 0x%02x", p_inq->inq_active);
1995
1996 if (duration != 0)
1997 {
1998 /* start inquiry timer */
1999 btu_start_timer (&p_ble_cb->inq_var.inq_timer_ent, BTU_TTYPE_BLE_INQUIRY, duration);
2000 }
2001 }
2002
2003 return status;
2004
2005 }
2006
2007 /*******************************************************************************
2008 **
2009 ** Function btm_ble_read_remote_name_cmpl
2010 **
2011 ** Description This function is called when BLE remote name is received.
2012 **
2013 ** Returns void
2014 **
2015 *******************************************************************************/
btm_ble_read_remote_name_cmpl(BOOLEAN status,BD_ADDR bda,UINT16 length,char * p_name)2016 void btm_ble_read_remote_name_cmpl(BOOLEAN status, BD_ADDR bda, UINT16 length, char *p_name)
2017 {
2018 UINT8 hci_status = HCI_SUCCESS;
2019 BD_NAME bd_name;
2020
2021 memset(bd_name, 0, (BD_NAME_LEN + 1));
2022 if (length > BD_NAME_LEN)
2023 {
2024 length = BD_NAME_LEN;
2025 }
2026 memcpy((UINT8*)bd_name, p_name, length);
2027
2028 if ((!status) || (length==0))
2029 {
2030 hci_status = HCI_ERR_HOST_TIMEOUT;
2031 }
2032
2033 btm_process_remote_name(bda, bd_name, length +1, hci_status);
2034 btm_sec_rmt_name_request_complete (bda, (UINT8 *)p_name, hci_status);
2035 }
2036
2037 /*******************************************************************************
2038 **
2039 ** Function btm_ble_read_remote_name
2040 **
2041 ** Description This function read remote LE device name using GATT read
2042 ** procedure.
2043 **
2044 ** Parameters: None.
2045 **
2046 ** Returns void
2047 **
2048 *******************************************************************************/
btm_ble_read_remote_name(BD_ADDR remote_bda,tBTM_INQ_INFO * p_cur,tBTM_CMPL_CB * p_cb)2049 tBTM_STATUS btm_ble_read_remote_name(BD_ADDR remote_bda, tBTM_INQ_INFO *p_cur, tBTM_CMPL_CB *p_cb)
2050 {
2051 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2052
2053 if (!controller_get_interface()->supports_ble())
2054 return BTM_ERR_PROCESSING;
2055
2056 if (p_cur &&
2057 p_cur->results.ble_evt_type != BTM_BLE_EVT_CONN_ADV &&
2058 p_cur->results.ble_evt_type != BTM_BLE_EVT_CONN_DIR_ADV)
2059 {
2060 BTM_TRACE_DEBUG("name request to non-connectable device failed.");
2061 return BTM_ERR_PROCESSING;
2062 }
2063
2064 /* read remote device name using GATT procedure */
2065 if (p_inq->remname_active)
2066 return BTM_BUSY;
2067
2068 if (!GAP_BleReadPeerDevName(remote_bda, btm_ble_read_remote_name_cmpl))
2069 return BTM_BUSY;
2070
2071 p_inq->p_remname_cmpl_cb = p_cb;
2072 p_inq->remname_active = TRUE;
2073
2074 memcpy(p_inq->remname_bda, remote_bda, BD_ADDR_LEN);
2075
2076 btu_start_timer (&p_inq->rmt_name_timer_ent,
2077 BTU_TTYPE_BTM_RMT_NAME,
2078 BTM_EXT_BLE_RMT_NAME_TIMEOUT);
2079
2080 return BTM_CMD_STARTED;
2081 }
2082
2083 /*******************************************************************************
2084 **
2085 ** Function btm_ble_cancel_remote_name
2086 **
2087 ** Description This function cancel read remote LE device name.
2088 **
2089 ** Parameters: None.
2090 **
2091 ** Returns void
2092 **
2093 *******************************************************************************/
btm_ble_cancel_remote_name(BD_ADDR remote_bda)2094 BOOLEAN btm_ble_cancel_remote_name(BD_ADDR remote_bda)
2095 {
2096 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2097 BOOLEAN status;
2098
2099 status = GAP_BleCancelReadPeerDevName(remote_bda);
2100
2101 p_inq->remname_active = FALSE;
2102 memset(p_inq->remname_bda, 0, BD_ADDR_LEN);
2103 btu_stop_timer(&p_inq->rmt_name_timer_ent);
2104
2105 return status;
2106 }
2107
2108 /*******************************************************************************
2109 **
2110 ** Function btm_ble_update_adv_flag
2111 **
2112 ** Description This function update the limited discoverable flag in the adv
2113 ** data.
2114 **
2115 ** Parameters: None.
2116 **
2117 ** Returns void
2118 **
2119 *******************************************************************************/
btm_ble_update_adv_flag(UINT8 flag)2120 static void btm_ble_update_adv_flag(UINT8 flag)
2121 {
2122 tBTM_BLE_LOCAL_ADV_DATA *p_adv_data = &btm_cb.ble_ctr_cb.inq_var.adv_data;
2123 UINT8 *p;
2124
2125 BTM_TRACE_DEBUG ("btm_ble_update_adv_flag new=0x%x", flag);
2126
2127 if (p_adv_data->p_flags != NULL)
2128 {
2129 BTM_TRACE_DEBUG ("btm_ble_update_adv_flag old=0x%x", *p_adv_data->p_flags);
2130 *p_adv_data->p_flags = flag;
2131 }
2132 else /* no FLAGS in ADV data*/
2133 {
2134 p = (p_adv_data->p_pad == NULL) ? p_adv_data->ad_data : p_adv_data->p_pad;
2135 /* need 3 bytes space to stuff in the flags, if not */
2136 /* erase all written data, just for flags */
2137 if ((BTM_BLE_AD_DATA_LEN - (p - p_adv_data->ad_data)) < 3)
2138 {
2139 p = p_adv_data->p_pad = p_adv_data->ad_data;
2140 memset(p_adv_data->ad_data, 0, BTM_BLE_AD_DATA_LEN);
2141 }
2142
2143 *p++ = 2;
2144 *p++ = BTM_BLE_AD_TYPE_FLAG;
2145 p_adv_data->p_flags = p;
2146 *p++ = flag;
2147 p_adv_data->p_pad = p;
2148 }
2149
2150 if (btsnd_hcic_ble_set_adv_data((UINT8)(p_adv_data->p_pad - p_adv_data->ad_data),
2151 p_adv_data->ad_data))
2152 p_adv_data->data_mask |= BTM_BLE_AD_BIT_FLAGS;
2153
2154 }
2155
2156 #if 0
2157 /*******************************************************************************
2158 **
2159 ** Function btm_ble_parse_adv_data
2160 **
2161 ** Description This function parse the adv data into a structure.
2162 **
2163 ** Returns pointer to entry, or NULL if not found
2164 **
2165 *******************************************************************************/
2166 static void btm_ble_parse_adv_data(tBTM_INQ_INFO *p_info, UINT8 *p_data,
2167 UINT8 len, tBTM_BLE_INQ_DATA *p_adv_data, UINT8 *p_buf)
2168 {
2169 UINT8 *p_cur = p_data;
2170 UINT8 ad_len, ad_type, ad_flag;
2171
2172 BTM_TRACE_EVENT (" btm_ble_parse_adv_data");
2173
2174 while (len > 0)
2175 {
2176 BTM_TRACE_DEBUG("btm_ble_parse_adv_data: len = %d", len);
2177 if ((ad_len = *p_cur ++) == 0)
2178 break;
2179
2180 ad_type = *p_cur ++;
2181
2182 BTM_TRACE_DEBUG(" ad_type = %02x ad_len = %d", ad_type, ad_len);
2183
2184 switch (ad_type)
2185 {
2186 case BTM_BLE_AD_TYPE_NAME_SHORT:
2187
2188 case BTM_BLE_AD_TYPE_NAME_CMPL:
2189 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_DEV_NAME;
2190 if (p_info)
2191 {
2192 p_info->remote_name_type =(ad_type == BTM_BLE_AD_TYPE_NAME_SHORT) ?
2193 BTM_BLE_NAME_SHORT: BTM_BLE_NAME_CMPL;
2194 memcpy(p_info->remote_name, p_cur, ad_len -1);
2195 p_info->remote_name[ad_len] = 0;
2196 p_adv_data->p_remote_name = p_info->remote_name;
2197 p_info->remote_name_len = p_adv_data->remote_name_len = ad_len - 1;
2198 BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_NAME name = %s",p_adv_data->p_remote_name);
2199 }
2200 p_cur += (ad_len -1);
2201
2202 break;
2203
2204 case BTM_BLE_AD_TYPE_FLAG:
2205 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_FLAGS;
2206 ad_flag = *p_cur ++;
2207 p_adv_data->flag = (UINT8)(ad_flag & BTM_BLE_ADV_FLAG_MASK) ;
2208 BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_FLAG flag = %s | %s | %s",
2209 (p_adv_data->flag & BTM_BLE_LIMIT_DISC_FLAG)? "LE_LIMIT_DISC" : "",
2210 (p_adv_data->flag & BTM_BLE_GEN_DISC_FLAG)? "LE_GENERAL_DISC" : "",
2211 (p_adv_data->flag & BTM_BLE_BREDR_NOT_SPT)? "LE Only device" : "");
2212 break;
2213
2214 case BTM_BLE_AD_TYPE_TX_PWR:
2215 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_TX_PWR;
2216 p_adv_data->tx_power_level = (INT8)*p_cur ++;
2217 BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_TX_PWR tx_level = %d", p_adv_data->tx_power_level);
2218 break;
2219
2220 case BTM_BLE_AD_TYPE_MANU:
2221
2222 case BTM_BLE_AD_TYPE_16SRV_PART:
2223 case BTM_BLE_AD_TYPE_16SRV_CMPL:
2224 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE;
2225 /* need allocate memory to store UUID list */
2226 p_adv_data->service.num_service = (ad_len - 1)/2;
2227 BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service);
2228 p_cur += (ad_len - 1);
2229 break;
2230
2231 case BTM_BLE_AD_TYPE_SOL_SRV_UUID:
2232 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE_SOL;
2233 /* need allocate memory to store UUID list */
2234 p_adv_data->service.num_service = (ad_len - 1)/2;
2235 BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service);
2236 p_cur += (ad_len - 1);
2237 break;
2238
2239 case BTM_BLE_AD_TYPE_128SOL_SRV_UUID:
2240 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE_128SOL;
2241 /* need allocate memory to store UUID list */
2242 p_adv_data->service.num_service = (ad_len - 1)/16;
2243 BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service);
2244 p_cur += (ad_len - 1);
2245 break;
2246
2247 case BTM_BLE_AD_TYPE_APPEARANCE:
2248 case BTM_BLE_AD_TYPE_PUBLIC_TARGET:
2249 case BTM_BLE_AD_TYPE_RANDOM_TARGET:
2250 default:
2251 break;
2252 }
2253 len -= (ad_len + 1);
2254 }
2255 }
2256 #endif
2257
2258 /*******************************************************************************
2259 **
2260 ** Function btm_ble_cache_adv_data
2261 **
2262 ** Description Update advertising cache data.
2263 **
2264 ** Returns void
2265 **
2266 *******************************************************************************/
btm_ble_cache_adv_data(tBTM_INQ_RESULTS * p_cur,UINT8 data_len,UINT8 * p,UINT8 evt_type)2267 void btm_ble_cache_adv_data(tBTM_INQ_RESULTS *p_cur, UINT8 data_len, UINT8 *p, UINT8 evt_type)
2268 {
2269 tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
2270 UINT8 *p_cache;
2271 UINT8 length;
2272 UNUSED(p_cur);
2273
2274 /* cache adv report/scan response data */
2275 if (evt_type != BTM_BLE_SCAN_RSP_EVT)
2276 {
2277 p_le_inq_cb->adv_len = 0;
2278 memset(p_le_inq_cb->adv_data_cache, 0, BTM_BLE_CACHE_ADV_DATA_MAX);
2279 }
2280
2281 if (data_len > 0)
2282 {
2283 p_cache = &p_le_inq_cb->adv_data_cache[p_le_inq_cb->adv_len];
2284 STREAM_TO_UINT8(length, p);
2285 while ( length && ((p_le_inq_cb->adv_len + length + 1) <= BTM_BLE_CACHE_ADV_DATA_MAX))
2286 {
2287 /* copy from the length byte & data into cache */
2288 memcpy(p_cache, p-1, length+1);
2289 /* advance the cache pointer past data */
2290 p_cache += length+1;
2291 /* increment cache length */
2292 p_le_inq_cb->adv_len += length+1;
2293 /* skip the length of data */
2294 p += length;
2295 STREAM_TO_UINT8(length, p);
2296 }
2297 }
2298
2299 /* parse service UUID from adv packet and save it in inq db eir_uuid */
2300 /* TODO */
2301 }
2302
2303 /*******************************************************************************
2304 **
2305 ** Function btm_ble_is_discoverable
2306 **
2307 ** Description check ADV flag to make sure device is discoverable and match
2308 ** the search condition
2309 **
2310 ** Parameters
2311 **
2312 ** Returns void
2313 **
2314 *******************************************************************************/
btm_ble_is_discoverable(BD_ADDR bda,UINT8 evt_type,UINT8 * p)2315 UINT8 btm_ble_is_discoverable(BD_ADDR bda, UINT8 evt_type, UINT8 *p)
2316 {
2317 UINT8 *p_flag, flag = 0, rt = 0;
2318 UINT8 data_len;
2319 tBTM_INQ_PARMS *p_cond = &btm_cb.btm_inq_vars.inqparms;
2320 tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
2321
2322 UNUSED(p);
2323
2324 /* for observer, always "discoverable */
2325 if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
2326 rt |= BTM_BLE_OBS_RESULT;
2327
2328 if (BTM_BLE_IS_SEL_CONN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity) &&
2329 (evt_type == BTM_BLE_CONNECT_EVT || evt_type == BTM_BLE_CONNECT_DIR_EVT))
2330 rt |= BTM_BLE_SEL_CONN_RESULT;
2331
2332 /* does not match filter condition */
2333 if (p_cond->filter_cond_type == BTM_FILTER_COND_BD_ADDR &&
2334 memcmp(bda, p_cond->filter_cond.bdaddr_cond, BD_ADDR_LEN) != 0)
2335 {
2336 BTM_TRACE_DEBUG("BD ADDR does not meet filter condition");
2337 return rt;
2338 }
2339
2340 if (p_le_inq_cb->adv_len != 0)
2341 {
2342 if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache,
2343 BTM_BLE_AD_TYPE_FLAG, &data_len)) != NULL)
2344 {
2345 flag = * p_flag;
2346
2347 if ((btm_cb.btm_inq_vars.inq_active & BTM_BLE_GENERAL_INQUIRY) &&
2348 (flag & (BTM_BLE_LIMIT_DISC_FLAG|BTM_BLE_GEN_DISC_FLAG)) != 0)
2349 {
2350 BTM_TRACE_DEBUG("Find Generable Discoverable device");
2351 rt |= BTM_BLE_INQ_RESULT;
2352 }
2353
2354 else if (btm_cb.btm_inq_vars.inq_active & BTM_BLE_LIMITED_INQUIRY &&
2355 (flag & BTM_BLE_LIMIT_DISC_FLAG) != 0)
2356 {
2357 BTM_TRACE_DEBUG("Find limited discoverable device");
2358 rt |= BTM_BLE_INQ_RESULT;
2359 }
2360 }
2361 }
2362 return rt;
2363 }
2364
btm_ble_appearance_to_cod(UINT16 appearance,UINT8 * dev_class)2365 static void btm_ble_appearance_to_cod(UINT16 appearance, UINT8 *dev_class)
2366 {
2367 dev_class[0] = 0;
2368
2369 switch (appearance)
2370 {
2371 case BTM_BLE_APPEARANCE_GENERIC_PHONE:
2372 dev_class[1] = BTM_COD_MAJOR_PHONE;
2373 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2374 break;
2375 case BTM_BLE_APPEARANCE_GENERIC_COMPUTER:
2376 dev_class[1] = BTM_COD_MAJOR_COMPUTER;
2377 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2378 break;
2379 case BTM_BLE_APPEARANCE_GENERIC_REMOTE:
2380 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2381 dev_class[2] = BTM_COD_MINOR_REMOTE_CONTROL;
2382 break;
2383 case BTM_BLE_APPEARANCE_GENERIC_THERMOMETER:
2384 case BTM_BLE_APPEARANCE_THERMOMETER_EAR:
2385 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2386 dev_class[2] = BTM_COD_MINOR_THERMOMETER;
2387 break;
2388 case BTM_BLE_APPEARANCE_GENERIC_HEART_RATE:
2389 case BTM_BLE_APPEARANCE_HEART_RATE_BELT:
2390 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2391 dev_class[2] = BTM_COD_MINOR_HEART_PULSE_MONITOR;
2392 break;
2393 case BTM_BLE_APPEARANCE_GENERIC_BLOOD_PRESSURE:
2394 case BTM_BLE_APPEARANCE_BLOOD_PRESSURE_ARM:
2395 case BTM_BLE_APPEARANCE_BLOOD_PRESSURE_WRIST:
2396 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2397 dev_class[2] = BTM_COD_MINOR_BLOOD_MONITOR;
2398 break;
2399 case BTM_BLE_APPEARANCE_GENERIC_PULSE_OXIMETER:
2400 case BTM_BLE_APPEARANCE_PULSE_OXIMETER_FINGERTIP:
2401 case BTM_BLE_APPEARANCE_PULSE_OXIMETER_WRIST:
2402 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2403 dev_class[2] = BTM_COD_MINOR_PULSE_OXIMETER;
2404 break;
2405 case BTM_BLE_APPEARANCE_GENERIC_GLUCOSE:
2406 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2407 dev_class[2] = BTM_COD_MINOR_GLUCOSE_METER;
2408 break;
2409 case BTM_BLE_APPEARANCE_GENERIC_WEIGHT:
2410 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2411 dev_class[2] = BTM_COD_MINOR_WEIGHING_SCALE;
2412 break;
2413 case BTM_BLE_APPEARANCE_GENERIC_WALKING:
2414 case BTM_BLE_APPEARANCE_WALKING_IN_SHOE:
2415 case BTM_BLE_APPEARANCE_WALKING_ON_SHOE:
2416 case BTM_BLE_APPEARANCE_WALKING_ON_HIP:
2417 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2418 dev_class[2] = BTM_COD_MINOR_STEP_COUNTER;
2419 break;
2420 case BTM_BLE_APPEARANCE_GENERIC_WATCH:
2421 case BTM_BLE_APPEARANCE_SPORTS_WATCH:
2422 dev_class[1] = BTM_COD_MAJOR_WEARABLE;
2423 dev_class[2] = BTM_COD_MINOR_WRIST_WATCH;
2424 break;
2425 case BTM_BLE_APPEARANCE_GENERIC_EYEGLASSES:
2426 dev_class[1] = BTM_COD_MAJOR_WEARABLE;
2427 dev_class[2] = BTM_COD_MINOR_GLASSES;
2428 break;
2429 case BTM_BLE_APPEARANCE_GENERIC_DISPLAY:
2430 dev_class[1] = BTM_COD_MAJOR_IMAGING;
2431 dev_class[2] = BTM_COD_MINOR_DISPLAY;
2432 break;
2433 case BTM_BLE_APPEARANCE_GENERIC_MEDIA_PLAYER:
2434 dev_class[1] = BTM_COD_MAJOR_AUDIO;
2435 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2436 break;
2437 case BTM_BLE_APPEARANCE_GENERIC_BARCODE_SCANNER:
2438 case BTM_BLE_APPEARANCE_HID_BARCODE_SCANNER:
2439 case BTM_BLE_APPEARANCE_GENERIC_HID:
2440 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2441 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2442 break;
2443 case BTM_BLE_APPEARANCE_HID_KEYBOARD:
2444 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2445 dev_class[2] = BTM_COD_MINOR_KEYBOARD;
2446 break;
2447 case BTM_BLE_APPEARANCE_HID_MOUSE:
2448 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2449 dev_class[2] = BTM_COD_MINOR_POINTING;
2450 break;
2451 case BTM_BLE_APPEARANCE_HID_JOYSTICK:
2452 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2453 dev_class[2] = BTM_COD_MINOR_JOYSTICK;
2454 break;
2455 case BTM_BLE_APPEARANCE_HID_GAMEPAD:
2456 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2457 dev_class[2] = BTM_COD_MINOR_GAMEPAD;
2458 break;
2459 case BTM_BLE_APPEARANCE_HID_DIGITIZER_TABLET:
2460 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2461 dev_class[2] = BTM_COD_MINOR_DIGITIZING_TABLET;
2462 break;
2463 case BTM_BLE_APPEARANCE_HID_CARD_READER:
2464 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2465 dev_class[2] = BTM_COD_MINOR_CARD_READER;
2466 break;
2467 case BTM_BLE_APPEARANCE_HID_DIGITAL_PEN:
2468 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2469 dev_class[2] = BTM_COD_MINOR_DIGITAL_PAN;
2470 break;
2471 case BTM_BLE_APPEARANCE_UKNOWN:
2472 case BTM_BLE_APPEARANCE_GENERIC_CLOCK:
2473 case BTM_BLE_APPEARANCE_GENERIC_TAG:
2474 case BTM_BLE_APPEARANCE_GENERIC_KEYRING:
2475 case BTM_BLE_APPEARANCE_GENERIC_CYCLING:
2476 case BTM_BLE_APPEARANCE_CYCLING_COMPUTER:
2477 case BTM_BLE_APPEARANCE_CYCLING_SPEED:
2478 case BTM_BLE_APPEARANCE_CYCLING_CADENCE:
2479 case BTM_BLE_APPEARANCE_CYCLING_POWER:
2480 case BTM_BLE_APPEARANCE_CYCLING_SPEED_CADENCE:
2481 case BTM_BLE_APPEARANCE_GENERIC_OUTDOOR_SPORTS:
2482 case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION:
2483 case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_AND_NAV:
2484 case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_POD:
2485 case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_POD_AND_NAV:
2486 default:
2487 dev_class[1] = BTM_COD_MAJOR_UNCLASSIFIED;
2488 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2489 };
2490 }
2491
2492 /*******************************************************************************
2493 **
2494 ** Function btm_ble_update_inq_result
2495 **
2496 ** Description Update adv packet information into inquiry result.
2497 **
2498 ** Parameters
2499 **
2500 ** Returns void
2501 **
2502 *******************************************************************************/
btm_ble_update_inq_result(tINQ_DB_ENT * p_i,UINT8 addr_type,UINT8 evt_type,UINT8 * p)2503 BOOLEAN btm_ble_update_inq_result(tINQ_DB_ENT *p_i, UINT8 addr_type, UINT8 evt_type, UINT8 *p)
2504 {
2505 BOOLEAN to_report = TRUE;
2506 tBTM_INQ_RESULTS *p_cur = &p_i->inq_info.results;
2507 UINT8 len;
2508 UINT8 *p_flag;
2509 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2510 UINT8 data_len, rssi;
2511 tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
2512 UINT8 *p1;
2513 UINT8 *p_uuid16;
2514
2515 STREAM_TO_UINT8 (data_len, p);
2516
2517 if (data_len > BTM_BLE_ADV_DATA_LEN_MAX)
2518 {
2519 BTM_TRACE_WARNING("EIR data too long %d. discard", data_len);
2520 return FALSE;
2521 }
2522 btm_ble_cache_adv_data(p_cur, data_len, p, evt_type);
2523
2524 p1 = (p + data_len);
2525 STREAM_TO_UINT8 (rssi, p1);
2526
2527 /* Save the info */
2528 p_cur->inq_result_type = BTM_INQ_RESULT_BLE;
2529 p_cur->ble_addr_type = addr_type;
2530 p_cur->rssi = rssi;
2531
2532 /* active scan, always wait until get scan_rsp to report the result */
2533 if ((btm_cb.ble_ctr_cb.inq_var.scan_type == BTM_BLE_SCAN_MODE_ACTI &&
2534 (evt_type == BTM_BLE_CONNECT_EVT || evt_type == BTM_BLE_DISCOVER_EVT)))
2535 {
2536 BTM_TRACE_DEBUG("btm_ble_update_inq_result scan_rsp=false, to_report=false,\
2537 scan_type_active=%d", btm_cb.ble_ctr_cb.inq_var.scan_type);
2538 p_i->scan_rsp = FALSE;
2539 to_report = FALSE;
2540 }
2541 else
2542 p_i->scan_rsp = TRUE;
2543
2544 if (p_i->inq_count != p_inq->inq_counter)
2545 p_cur->device_type = BT_DEVICE_TYPE_BLE;
2546 else
2547 p_cur->device_type |= BT_DEVICE_TYPE_BLE;
2548
2549 if (evt_type != BTM_BLE_SCAN_RSP_EVT)
2550 p_cur->ble_evt_type = evt_type;
2551
2552 p_i->inq_count = p_inq->inq_counter; /* Mark entry for current inquiry */
2553
2554 if (p_le_inq_cb->adv_len != 0)
2555 {
2556 if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_FLAG, &len)) != NULL)
2557 p_cur->flag = * p_flag;
2558 }
2559
2560 if (p_le_inq_cb->adv_len != 0)
2561 {
2562 /* Check to see the BLE device has the Appearance UUID in the advertising data. If it does
2563 * then try to convert the appearance value to a class of device value Bluedroid can use.
2564 * Otherwise fall back to trying to infer if it is a HID device based on the service class.
2565 */
2566 p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_APPEARANCE, &len);
2567 if (p_uuid16 && len == 2)
2568 {
2569 btm_ble_appearance_to_cod((UINT16)p_uuid16[0] | (p_uuid16[1] << 8), p_cur->dev_class);
2570 }
2571 else
2572 {
2573 if ((p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache,
2574 BTM_BLE_AD_TYPE_16SRV_CMPL, &len)) != NULL)
2575 {
2576 UINT8 i;
2577 for (i = 0; i + 2 <= len; i = i + 2)
2578 {
2579 /* if this BLE device support HID over LE, set HID Major in class of device */
2580 if ((p_uuid16[i] | (p_uuid16[i+1] << 8)) == UUID_SERVCLASS_LE_HID)
2581 {
2582 p_cur->dev_class[0] = 0;
2583 p_cur->dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2584 p_cur->dev_class[2] = 0;
2585 break;
2586 }
2587 }
2588 }
2589 }
2590 }
2591
2592 /* if BR/EDR not supported is not set, assume is a DUMO device */
2593 if ((p_cur->flag & BTM_BLE_BREDR_NOT_SPT) == 0 &&
2594 evt_type != BTM_BLE_CONNECT_DIR_EVT)
2595 {
2596 if (p_cur->ble_addr_type != BLE_ADDR_RANDOM)
2597 {
2598 BTM_TRACE_DEBUG("BR/EDR NOT support bit not set, treat as DUMO");
2599 p_cur->device_type |= BT_DEVICE_TYPE_DUMO;
2600 } else {
2601 BTM_TRACE_DEBUG("Random address, treating device as LE only");
2602 }
2603 }
2604 else
2605 {
2606 BTM_TRACE_DEBUG("BR/EDR NOT SUPPORT bit set, LE only device");
2607 }
2608
2609 return to_report;
2610
2611 }
2612
2613 /*******************************************************************************
2614 **
2615 ** Function btm_clear_all_pending_le_entry
2616 **
2617 ** Description This function is called to clear all LE pending entry in
2618 ** inquiry database.
2619 **
2620 ** Returns void
2621 **
2622 *******************************************************************************/
btm_clear_all_pending_le_entry(void)2623 void btm_clear_all_pending_le_entry(void)
2624 {
2625 UINT16 xx;
2626 tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db;
2627
2628 for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++)
2629 {
2630 /* mark all pending LE entry as unused if an LE only device has scan response outstanding */
2631 if ((p_ent->in_use) &&
2632 (p_ent->inq_info.results.device_type == BT_DEVICE_TYPE_BLE) &&
2633 !p_ent->scan_rsp)
2634 p_ent->in_use = FALSE;
2635 }
2636 }
2637
2638 /*******************************************************************************
2639 **
2640 ** Function btm_send_sel_conn_callback
2641 **
2642 ** Description send selection connection request callback.
2643 **
2644 ** Parameters
2645 **
2646 ** Returns void
2647 **
2648 *******************************************************************************/
btm_send_sel_conn_callback(BD_ADDR remote_bda,UINT8 evt_type,UINT8 * p_data,UINT8 addr_type)2649 void btm_send_sel_conn_callback(BD_ADDR remote_bda, UINT8 evt_type, UINT8 *p_data, UINT8 addr_type)
2650 {
2651 UINT8 data_len, len;
2652 UINT8 *p_dev_name, remname[31] = {0};
2653 UNUSED(addr_type);
2654
2655 if (btm_cb.ble_ctr_cb.p_select_cback == NULL ||
2656 /* non-connectable device */
2657 (evt_type != BTM_BLE_EVT_CONN_ADV && evt_type != BTM_BLE_EVT_CONN_DIR_ADV))
2658 return;
2659
2660 STREAM_TO_UINT8 (data_len, p_data);
2661
2662 /* get the device name if exist in ADV data */
2663 if (data_len != 0)
2664 {
2665 p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_CMPL, &len);
2666
2667 if (p_dev_name == NULL)
2668 p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_SHORT, &len);
2669
2670 if (p_dev_name)
2671 memcpy(remname, p_dev_name, len);
2672 }
2673 /* allow connection */
2674 if ((* btm_cb.ble_ctr_cb.p_select_cback)(remote_bda, remname))
2675 {
2676 /* terminate selective connection, initiate connection */
2677 btm_ble_initiate_select_conn(remote_bda);
2678 }
2679 }
2680
2681 /*******************************************************************************
2682 **
2683 ** Function btm_ble_process_adv_pkt
2684 **
2685 ** Description This function is called when adv packet report events are
2686 ** received from the device. It updates the inquiry database.
2687 ** If the inquiry database is full, the oldest entry is discarded.
2688 **
2689 ** Parameters
2690 **
2691 ** Returns void
2692 **
2693 *******************************************************************************/
btm_ble_process_adv_pkt(UINT8 * p_data)2694 void btm_ble_process_adv_pkt (UINT8 *p_data)
2695 {
2696 BD_ADDR bda;
2697 UINT8 evt_type = 0, *p = p_data;
2698 UINT8 addr_type = 0;
2699 UINT8 num_reports;
2700 UINT8 data_len;
2701 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
2702 BOOLEAN match = FALSE;
2703 #endif
2704
2705 /* Only process the results if the inquiry is still active */
2706 if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
2707 return;
2708
2709 /* Extract the number of reports in this event. */
2710 STREAM_TO_UINT8(num_reports, p);
2711
2712 while (num_reports--)
2713 {
2714 /* Extract inquiry results */
2715 STREAM_TO_UINT8 (evt_type, p);
2716 STREAM_TO_UINT8 (addr_type, p);
2717 STREAM_TO_BDADDR (bda, p);
2718
2719 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
2720 /* map address to security record */
2721 match = btm_identity_addr_to_random_pseudo(bda, &addr_type, FALSE);
2722
2723 BTM_TRACE_DEBUG("btm_ble_process_adv_pkt:bda= %0x:%0x:%0x:%0x:%0x:%0x",
2724 bda[0],bda[1],bda[2],bda[3],bda[4],bda[5]);
2725 /* always do RRA resolution on host */
2726 if (!match && BTM_BLE_IS_RESOLVE_BDA(bda))
2727 {
2728 btm_ble_resolve_random_addr(bda, btm_ble_resolve_random_addr_on_adv, p_data);
2729 }
2730 else
2731 #endif
2732 btm_ble_process_adv_pkt_cont(bda, addr_type, evt_type, p);
2733
2734 STREAM_TO_UINT8(data_len, p);
2735
2736 /* Advance to the next event data_len + rssi byte */
2737 p += data_len + 1;
2738 }
2739 }
2740
2741 /*******************************************************************************
2742 **
2743 ** Function btm_ble_process_adv_pkt_cont
2744 **
2745 ** Description This function is called after random address resolution is
2746 ** done, and proceed to process adv packet.
2747 **
2748 ** Parameters
2749 **
2750 ** Returns void
2751 **
2752 *******************************************************************************/
btm_ble_process_adv_pkt_cont(BD_ADDR bda,UINT8 addr_type,UINT8 evt_type,UINT8 * p)2753 static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p)
2754 {
2755 tINQ_DB_ENT *p_i;
2756 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2757 tBTM_INQ_RESULTS_CB *p_inq_results_cb = p_inq->p_inq_results_cb;
2758 tBTM_INQ_RESULTS_CB *p_obs_results_cb = btm_cb.ble_ctr_cb.p_obs_results_cb;
2759 tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
2760 BOOLEAN update = TRUE;
2761 UINT8 result = 0;
2762
2763 p_i = btm_inq_db_find (bda);
2764
2765 /* Check if this address has already been processed for this inquiry */
2766 if (btm_inq_find_bdaddr(bda))
2767 {
2768 /* never been report as an LE device */
2769 if (p_i &&
2770 (!(p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BLE) ||
2771 /* scan repsonse to be updated */
2772 (!p_i->scan_rsp)))
2773 {
2774 update = TRUE;
2775 }
2776 else if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
2777 {
2778 update = FALSE;
2779 }
2780 else
2781 {
2782 /* if yes, skip it */
2783 return; /* assumption: one result per event */
2784 }
2785 }
2786 /* If existing entry, use that, else get a new one (possibly reusing the oldest) */
2787 if (p_i == NULL)
2788 {
2789 if ((p_i = btm_inq_db_new (bda)) != NULL)
2790 {
2791 p_inq->inq_cmpl_info.num_resp++;
2792 }
2793 else
2794 return;
2795 }
2796 else if (p_i->inq_count != p_inq->inq_counter) /* first time seen in this inquiry */
2797 {
2798 p_inq->inq_cmpl_info.num_resp++;
2799 }
2800 /* update the LE device information in inquiry database */
2801 if (!btm_ble_update_inq_result(p_i, addr_type, evt_type, p))
2802 return;
2803
2804 if ((result = btm_ble_is_discoverable(bda, evt_type, p)) == 0)
2805 {
2806 LOG_WARN("%s device is no longer discoverable so discarding advertising packet pkt",
2807 __func__);
2808 return;
2809 }
2810 if (!update)
2811 result &= ~BTM_BLE_INQ_RESULT;
2812 /* If the number of responses found and limited, issue a cancel inquiry */
2813 if (p_inq->inqparms.max_resps &&
2814 p_inq->inq_cmpl_info.num_resp == p_inq->inqparms.max_resps)
2815 {
2816 /* new device */
2817 if (p_i == NULL ||
2818 /* assume a DUMO device, BR/EDR inquiry is always active */
2819 (p_i &&
2820 (p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BLE) == BT_DEVICE_TYPE_BLE &&
2821 p_i->scan_rsp))
2822 {
2823 BTM_TRACE_WARNING("INQ RES: Extra Response Received...cancelling inquiry..");
2824
2825 /* if is non-periodic inquiry active, cancel now */
2826 if ((p_inq->inq_active & BTM_BR_INQ_ACTIVE_MASK) != 0 &&
2827 (p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) == 0)
2828 btsnd_hcic_inq_cancel();
2829
2830 btm_ble_stop_inquiry();
2831
2832 btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT);
2833 }
2834 }
2835 /* background connection in selective connection mode */
2836 if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_SELECTIVE)
2837 {
2838 if (result & BTM_BLE_SEL_CONN_RESULT)
2839 btm_send_sel_conn_callback(bda, evt_type, p, addr_type);
2840 else
2841 {
2842 BTM_TRACE_DEBUG("None LE device, can not initiate selective connection");
2843 }
2844 }
2845 else
2846 {
2847 if (p_inq_results_cb && (result & BTM_BLE_INQ_RESULT))
2848 {
2849 (p_inq_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache);
2850 }
2851 if (p_obs_results_cb && (result & BTM_BLE_OBS_RESULT))
2852 {
2853 (p_obs_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache);
2854 }
2855 }
2856 }
2857
2858 /*******************************************************************************
2859 **
2860 ** Function btm_ble_start_scan
2861 **
2862 ** Description Start the BLE scan.
2863 **
2864 ** Returns void
2865 **
2866 *******************************************************************************/
btm_ble_start_scan(void)2867 tBTM_STATUS btm_ble_start_scan(void)
2868 {
2869 tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var;
2870 tBTM_STATUS status = BTM_CMD_STARTED;
2871
2872 /* start scan, disable duplicate filtering */
2873 if (!btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_ENABLE, p_inq->scan_duplicate_filter))
2874 {
2875 status = BTM_NO_RESOURCES;
2876 }
2877 else
2878 {
2879 if (p_inq->scan_type == BTM_BLE_SCAN_MODE_ACTI)
2880 btm_ble_set_topology_mask(BTM_BLE_STATE_ACTIVE_SCAN_BIT);
2881 else
2882 btm_ble_set_topology_mask(BTM_BLE_STATE_PASSIVE_SCAN_BIT);
2883 }
2884 return status;
2885 }
2886
2887 /*******************************************************************************
2888 **
2889 ** Function btm_ble_stop_scan
2890 **
2891 ** Description Stop the BLE scan.
2892 **
2893 ** Returns void
2894 **
2895 *******************************************************************************/
btm_ble_stop_scan(void)2896 void btm_ble_stop_scan(void)
2897 {
2898 BTM_TRACE_EVENT ("btm_ble_stop_scan ");
2899
2900 /* Clear the inquiry callback if set */
2901 btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE;
2902
2903 /* stop discovery now */
2904 btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE);
2905
2906 btm_update_scanner_filter_policy(SP_ADV_ALL);
2907
2908 btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_SCAN;
2909 }
2910 /*******************************************************************************
2911 **
2912 ** Function btm_ble_stop_inquiry
2913 **
2914 ** Description Stop the BLE Inquiry.
2915 **
2916 ** Returns void
2917 **
2918 *******************************************************************************/
btm_ble_stop_inquiry(void)2919 void btm_ble_stop_inquiry(void)
2920 {
2921 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2922 tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb;
2923
2924 btu_stop_timer (&p_ble_cb->inq_var.inq_timer_ent);
2925
2926 p_ble_cb->scan_activity &= ~BTM_BLE_INQUIRY_MASK;
2927
2928 /* If no more scan activity, stop LE scan now */
2929 if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity))
2930 btm_ble_stop_scan();
2931 else if((p_ble_cb->inq_var.scan_interval != BTM_BLE_LOW_LATENCY_SCAN_INT) ||
2932 (p_ble_cb->inq_var.scan_window != BTM_BLE_LOW_LATENCY_SCAN_WIN))
2933 {
2934 BTM_TRACE_DEBUG("%s: setting default params for ongoing observe", __FUNCTION__);
2935 btm_ble_stop_scan();
2936 btm_ble_start_scan();
2937 }
2938
2939 /* If we have a callback registered for inquiry complete, call it */
2940 BTM_TRACE_DEBUG ("BTM Inq Compl Callback: status 0x%02x, num results %d",
2941 p_inq->inq_cmpl_info.status, p_inq->inq_cmpl_info.num_resp);
2942
2943 btm_process_inq_complete(HCI_SUCCESS, (UINT8)(p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK));
2944 }
2945
2946 /*******************************************************************************
2947 **
2948 ** Function btm_ble_stop_observe
2949 **
2950 ** Description Stop the BLE Observe.
2951 **
2952 ** Returns void
2953 **
2954 *******************************************************************************/
btm_ble_stop_observe(void)2955 static void btm_ble_stop_observe(void)
2956 {
2957 tBTM_BLE_CB *p_ble_cb = & btm_cb.ble_ctr_cb;
2958 tBTM_CMPL_CB *p_obs_cb = p_ble_cb->p_obs_cmpl_cb;
2959
2960 btu_stop_timer (&p_ble_cb->obs_timer_ent);
2961
2962 p_ble_cb->scan_activity &= ~BTM_LE_OBSERVE_ACTIVE;
2963
2964 p_ble_cb->p_obs_results_cb = NULL;
2965 p_ble_cb->p_obs_cmpl_cb = NULL;
2966
2967 if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity))
2968 btm_ble_stop_scan();
2969
2970 if (p_obs_cb)
2971 (p_obs_cb)((tBTM_INQUIRY_CMPL *) &btm_cb.btm_inq_vars.inq_cmpl_info);
2972 }
2973 /*******************************************************************************
2974 **
2975 ** Function btm_ble_adv_states_operation
2976 **
2977 ** Description Set or clear adv states in topology mask
2978 **
2979 ** Returns operation status. TRUE if sucessful, FALSE otherwise.
2980 **
2981 *******************************************************************************/
2982 typedef BOOLEAN (BTM_TOPOLOGY_FUNC_PTR)(tBTM_BLE_STATE_MASK);
btm_ble_adv_states_operation(BTM_TOPOLOGY_FUNC_PTR * p_handler,UINT8 adv_evt)2983 static BOOLEAN btm_ble_adv_states_operation(BTM_TOPOLOGY_FUNC_PTR *p_handler, UINT8 adv_evt)
2984 {
2985 BOOLEAN rt = FALSE;
2986
2987 switch (adv_evt)
2988 {
2989 case BTM_BLE_CONNECT_EVT:
2990 rt = (*p_handler)(BTM_BLE_STATE_CONN_ADV_BIT);
2991 break;
2992
2993 case BTM_BLE_NON_CONNECT_EVT:
2994 rt = (*p_handler) (BTM_BLE_STATE_NON_CONN_ADV_BIT);
2995 break;
2996 case BTM_BLE_CONNECT_DIR_EVT:
2997 rt = (*p_handler) (BTM_BLE_STATE_HI_DUTY_DIR_ADV_BIT);
2998 break;
2999
3000 case BTM_BLE_DISCOVER_EVT:
3001 rt = (*p_handler) (BTM_BLE_STATE_SCAN_ADV_BIT);
3002 break;
3003
3004 case BTM_BLE_CONNECT_LO_DUTY_DIR_EVT:
3005 rt = (*p_handler) (BTM_BLE_STATE_LO_DUTY_DIR_ADV_BIT);
3006 break;
3007
3008 default:
3009 BTM_TRACE_ERROR("unknown adv event : %d", adv_evt);
3010 break;
3011 }
3012
3013 return rt;
3014 }
3015
3016
3017 /*******************************************************************************
3018 **
3019 ** Function btm_ble_start_adv
3020 **
3021 ** Description start the BLE advertising.
3022 **
3023 ** Returns void
3024 **
3025 *******************************************************************************/
btm_ble_start_adv(void)3026 tBTM_STATUS btm_ble_start_adv(void)
3027 {
3028 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
3029 tBTM_STATUS rt = BTM_NO_RESOURCES;
3030
3031 if (!btm_ble_adv_states_operation (btm_ble_topology_check, p_cb->evt_type))
3032 return BTM_WRONG_MODE;
3033
3034 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
3035 /* To relax resolving list, always have resolving list enabled, unless directed adv */
3036 if (p_cb->evt_type != BTM_BLE_CONNECT_LO_DUTY_DIR_EVT &&
3037 p_cb->evt_type != BTM_BLE_CONNECT_DIR_EVT)
3038 /* enable resolving list is desired */
3039 btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_ADV);
3040 #endif
3041 if (p_cb->afp != AP_SCAN_CONN_ALL)
3042 {
3043 btm_execute_wl_dev_operation();
3044 btm_cb.ble_ctr_cb.wl_state |= BTM_BLE_WL_ADV;
3045 }
3046
3047 if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_ENABLE))
3048 {
3049 p_cb->adv_mode = BTM_BLE_ADV_ENABLE;
3050 btm_ble_adv_states_operation(btm_ble_set_topology_mask, p_cb->evt_type);
3051 rt = BTM_SUCCESS;
3052 }
3053 else
3054 {
3055 p_cb->adv_mode = BTM_BLE_ADV_DISABLE;
3056 btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_ADV;
3057 }
3058 return rt;
3059 }
3060
3061 /*******************************************************************************
3062 **
3063 ** Function btm_ble_stop_adv
3064 **
3065 ** Description Stop the BLE advertising.
3066 **
3067 ** Returns void
3068 **
3069 *******************************************************************************/
btm_ble_stop_adv(void)3070 tBTM_STATUS btm_ble_stop_adv(void)
3071 {
3072 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
3073 tBTM_STATUS rt = BTM_SUCCESS;
3074
3075 if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
3076 {
3077 if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_DISABLE))
3078 {
3079 p_cb->fast_adv_on = FALSE;
3080 p_cb->adv_mode = BTM_BLE_ADV_DISABLE;
3081 btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_ADV;
3082
3083 /* clear all adv states */
3084 btm_ble_clear_topology_mask (BTM_BLE_STATE_ALL_ADV_MASK);
3085 }
3086 else
3087 rt = BTM_NO_RESOURCES;
3088 }
3089 return rt;
3090 }
3091
3092
3093 /*******************************************************************************
3094 **
3095 ** Function btm_ble_start_slow_adv
3096 **
3097 ** Description Restart adv with slow adv interval
3098 **
3099 ** Returns void
3100 **
3101 *******************************************************************************/
btm_ble_start_slow_adv(void)3102 static void btm_ble_start_slow_adv (void)
3103 {
3104 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
3105
3106 if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
3107 {
3108 tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
3109 BD_ADDR p_addr_ptr = {0};
3110 tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC;
3111 tBLE_ADDR_TYPE own_addr_type = p_addr_cb->own_addr_type;
3112
3113 btm_ble_stop_adv();
3114
3115 p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type,
3116 &own_addr_type);
3117
3118 /* slow adv mode never goes into directed adv */
3119 btsnd_hcic_ble_write_adv_params (BTM_BLE_GAP_ADV_SLOW_INT, BTM_BLE_GAP_ADV_SLOW_INT,
3120 p_cb->evt_type, own_addr_type,
3121 init_addr_type, p_addr_ptr,
3122 p_cb->adv_chnl_map, p_cb->afp);
3123
3124 btm_ble_start_adv();
3125 }
3126 }
3127 /*******************************************************************************
3128 **
3129 ** Function btm_ble_timeout
3130 **
3131 ** Description Called when BTM BLE inquiry timer expires
3132 **
3133 ** Returns void
3134 **
3135 *******************************************************************************/
btm_ble_timeout(TIMER_LIST_ENT * p_tle)3136 void btm_ble_timeout(TIMER_LIST_ENT *p_tle)
3137 {
3138 BTM_TRACE_EVENT ("btm_ble_timeout");
3139
3140 switch (p_tle->event)
3141 {
3142 case BTU_TTYPE_BLE_OBSERVE:
3143 btm_ble_stop_observe();
3144 break;
3145
3146 case BTU_TTYPE_BLE_INQUIRY:
3147 btm_ble_stop_inquiry();
3148 break;
3149
3150 case BTU_TTYPE_BLE_GAP_LIM_DISC:
3151 /* lim_timeout expiried, limited discovery should exit now */
3152 btm_cb.btm_inq_vars.discoverable_mode &= ~BTM_BLE_LIMITED_DISCOVERABLE;
3153 btm_ble_set_adv_flag(btm_cb.btm_inq_vars.connectable_mode, btm_cb.btm_inq_vars.discoverable_mode);
3154 break;
3155
3156 case BTU_TTYPE_BLE_RANDOM_ADDR:
3157 if (btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type == BLE_ADDR_RANDOM)
3158 {
3159 if (NULL == (void *)(p_tle->param))
3160 {
3161 /* refresh the random addr */
3162 btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low);
3163 }
3164 else
3165 {
3166 if (BTM_BleMaxMultiAdvInstanceCount() > 0)
3167 btm_ble_multi_adv_configure_rpa((tBTM_BLE_MULTI_ADV_INST*)p_tle->param);
3168 }
3169 }
3170 break;
3171
3172 case BTU_TTYPE_BLE_GAP_FAST_ADV:
3173 /* fast adv is completed, fall back to slow adv interval */
3174 btm_ble_start_slow_adv();
3175 break;
3176
3177 default:
3178 break;
3179
3180 }
3181 }
3182
3183
3184 /*******************************************************************************
3185 **
3186 ** Function btm_ble_read_remote_features_complete
3187 **
3188 ** Description This function is called when the command complete message
3189 ** is received from the HCI for the read LE remote feature supported
3190 ** complete event.
3191 **
3192 ** Returns void
3193 **
3194 *******************************************************************************/
btm_ble_read_remote_features_complete(UINT8 * p)3195 void btm_ble_read_remote_features_complete(UINT8 *p)
3196 {
3197 tACL_CONN *p_acl_cb = &btm_cb.acl_db[0];
3198 UINT16 handle;
3199 UINT8 status;
3200 int xx;
3201
3202 BTM_TRACE_EVENT ("btm_ble_read_remote_features_complete ");
3203
3204 STREAM_TO_UINT8(status, p);
3205
3206 // if LE read remote feature failed for HCI_ERR_CONN_FAILED_ESTABLISHMENT,
3207 // expect disconnect complete to be received
3208 if (status != HCI_ERR_CONN_FAILED_ESTABLISHMENT)
3209 {
3210 STREAM_TO_UINT16 (handle, p);
3211
3212 /* Look up the connection by handle and copy features */
3213 for (xx = 0; xx < MAX_L2CAP_LINKS; xx++, p_acl_cb++)
3214 {
3215 if ((p_acl_cb->in_use) && (p_acl_cb->hci_handle == handle))
3216 {
3217 STREAM_TO_ARRAY(p_acl_cb->peer_le_features, p, BD_FEATURES_LEN);
3218 /*notify link up here */
3219 l2cble_notify_le_connection (p_acl_cb->remote_addr);
3220 break;
3221 }
3222 }
3223 }
3224
3225 }
3226
3227 /*******************************************************************************
3228 **
3229 ** Function btm_ble_write_adv_enable_complete
3230 **
3231 ** Description This function process the write adv enable command complete.
3232 **
3233 ** Returns void
3234 **
3235 *******************************************************************************/
btm_ble_write_adv_enable_complete(UINT8 * p)3236 void btm_ble_write_adv_enable_complete(UINT8 * p)
3237 {
3238 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
3239
3240 /* if write adv enable/disbale not succeed */
3241 if (*p != HCI_SUCCESS)
3242 {
3243 /* toggle back the adv mode */
3244 p_cb->adv_mode = !p_cb->adv_mode;
3245 }
3246 }
3247
3248 /*******************************************************************************
3249 **
3250 ** Function btm_ble_dir_adv_tout
3251 **
3252 ** Description when directed adv time out
3253 **
3254 ** Returns void
3255 **
3256 *******************************************************************************/
btm_ble_dir_adv_tout(void)3257 void btm_ble_dir_adv_tout(void)
3258 {
3259 btm_cb.ble_ctr_cb.inq_var.adv_mode = BTM_BLE_ADV_DISABLE;
3260
3261 /* make device fall back into undirected adv mode by default */
3262 btm_cb.ble_ctr_cb.inq_var.directed_conn = FALSE;
3263 }
3264
3265 /*******************************************************************************
3266 **
3267 ** Function btm_ble_set_topology_mask
3268 **
3269 ** Description set BLE topology mask
3270 **
3271 ** Returns TRUE is request is allowed, FALSE otherwise.
3272 **
3273 *******************************************************************************/
btm_ble_set_topology_mask(tBTM_BLE_STATE_MASK request_state_mask)3274 BOOLEAN btm_ble_set_topology_mask(tBTM_BLE_STATE_MASK request_state_mask)
3275 {
3276 request_state_mask &= BTM_BLE_STATE_ALL_MASK;
3277 btm_cb.ble_ctr_cb.cur_states |= (request_state_mask & BTM_BLE_STATE_ALL_MASK);
3278 return TRUE;
3279 }
3280
3281 /*******************************************************************************
3282 **
3283 ** Function btm_ble_clear_topology_mask
3284 **
3285 ** Description Clear BLE topology bit mask
3286 **
3287 ** Returns TRUE is request is allowed, FALSE otherwise.
3288 **
3289 *******************************************************************************/
btm_ble_clear_topology_mask(tBTM_BLE_STATE_MASK request_state_mask)3290 BOOLEAN btm_ble_clear_topology_mask (tBTM_BLE_STATE_MASK request_state_mask)
3291 {
3292 request_state_mask &= BTM_BLE_STATE_ALL_MASK;
3293 btm_cb.ble_ctr_cb.cur_states &= ~request_state_mask;
3294 return TRUE;
3295 }
3296
3297 /*******************************************************************************
3298 **
3299 ** Function btm_ble_update_link_topology_mask
3300 **
3301 ** Description This function update the link topology mask
3302 **
3303 ** Returns void
3304 **
3305 *******************************************************************************/
btm_ble_update_link_topology_mask(UINT8 link_role,BOOLEAN increase)3306 void btm_ble_update_link_topology_mask(UINT8 link_role, BOOLEAN increase)
3307 {
3308 btm_ble_clear_topology_mask (BTM_BLE_STATE_ALL_CONN_MASK);
3309
3310 if (increase)
3311 btm_cb.ble_ctr_cb.link_count[link_role]++;
3312 else if (btm_cb.ble_ctr_cb.link_count[link_role] > 0)
3313 btm_cb.ble_ctr_cb.link_count[link_role]--;
3314
3315 if (btm_cb.ble_ctr_cb.link_count[HCI_ROLE_MASTER])
3316 btm_ble_set_topology_mask (BTM_BLE_STATE_MASTER_BIT);
3317
3318 if (btm_cb.ble_ctr_cb.link_count[HCI_ROLE_SLAVE])
3319 btm_ble_set_topology_mask(BTM_BLE_STATE_SLAVE_BIT);
3320
3321 if (link_role == HCI_ROLE_SLAVE && increase)
3322 {
3323 btm_cb.ble_ctr_cb.inq_var.adv_mode = BTM_BLE_ADV_DISABLE;
3324 /* make device fall back into undirected adv mode by default */
3325 btm_cb.ble_ctr_cb.inq_var.directed_conn = BTM_BLE_CONNECT_EVT;
3326 /* clear all adv states */
3327 btm_ble_clear_topology_mask(BTM_BLE_STATE_ALL_ADV_MASK);
3328 }
3329 }
3330
3331 /*******************************************************************************
3332 **
3333 ** Function btm_ble_update_mode_operation
3334 **
3335 ** Description This function update the GAP role operation when a link status
3336 ** is updated.
3337 **
3338 ** Returns void
3339 **
3340 *******************************************************************************/
btm_ble_update_mode_operation(UINT8 link_role,BD_ADDR bd_addr,UINT8 status)3341 void btm_ble_update_mode_operation(UINT8 link_role, BD_ADDR bd_addr, UINT8 status)
3342 {
3343 if (status == HCI_ERR_DIRECTED_ADVERTISING_TIMEOUT)
3344 {
3345 btm_cb.ble_ctr_cb.inq_var.adv_mode = BTM_BLE_ADV_DISABLE;
3346 /* make device fall back into undirected adv mode by default */
3347 btm_cb.ble_ctr_cb.inq_var.directed_conn = BTM_BLE_CONNECT_EVT;
3348 /* clear all adv states */
3349 btm_ble_clear_topology_mask (BTM_BLE_STATE_ALL_ADV_MASK);
3350 }
3351
3352 if (btm_cb.ble_ctr_cb.inq_var.connectable_mode == BTM_BLE_CONNECTABLE)
3353 {
3354 btm_ble_set_connectability(btm_cb.btm_inq_vars.connectable_mode |
3355 btm_cb.ble_ctr_cb.inq_var.connectable_mode);
3356 }
3357
3358 /* when no connection is attempted, and controller is not rejecting last request
3359 due to resource limitation, start next direct connection or background connection
3360 now in order */
3361 if (btm_ble_get_conn_st() == BLE_CONN_IDLE && status != HCI_ERR_HOST_REJECT_RESOURCES &&
3362 !btm_send_pending_direct_conn())
3363 {
3364 btm_ble_resume_bg_conn();
3365 }
3366 }
3367
3368 /*******************************************************************************
3369 **
3370 ** Function btm_ble_init
3371 **
3372 ** Description Initialize the control block variable values.
3373 **
3374 ** Returns void
3375 **
3376 *******************************************************************************/
btm_ble_init(void)3377 void btm_ble_init (void)
3378 {
3379 tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
3380
3381 BTM_TRACE_DEBUG("%s", __func__);
3382
3383 memset(p_cb, 0, sizeof(tBTM_BLE_CB));
3384 memset(&(btm_cb.cmn_ble_vsc_cb), 0 , sizeof(tBTM_BLE_VSC_CB));
3385 btm_cb.cmn_ble_vsc_cb.values_read = FALSE;
3386 p_cb->cur_states = 0;
3387
3388 p_cb->inq_var.adv_mode = BTM_BLE_ADV_DISABLE;
3389 p_cb->inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE;
3390 p_cb->inq_var.adv_chnl_map = BTM_BLE_DEFAULT_ADV_CHNL_MAP;
3391 p_cb->inq_var.afp = BTM_BLE_DEFAULT_AFP;
3392 p_cb->inq_var.sfp = BTM_BLE_DEFAULT_SFP;
3393 p_cb->inq_var.connectable_mode = BTM_BLE_NON_CONNECTABLE;
3394 p_cb->inq_var.discoverable_mode = BTM_BLE_NON_DISCOVERABLE;
3395
3396 /* for background connection, reset connection params to be undefined */
3397 p_cb->scan_int = p_cb->scan_win = BTM_BLE_SCAN_PARAM_UNDEF;
3398
3399 p_cb->inq_var.evt_type = BTM_BLE_NON_CONNECT_EVT;
3400
3401 #if BLE_VND_INCLUDED == FALSE
3402 btm_ble_adv_filter_init();
3403 #endif
3404 }
3405
3406 /*******************************************************************************
3407 **
3408 ** Function btm_ble_topology_check
3409 **
3410 ** Description check to see requested state is supported. One state check at
3411 ** a time is supported
3412 **
3413 ** Returns TRUE is request is allowed, FALSE otherwise.
3414 **
3415 *******************************************************************************/
btm_ble_topology_check(tBTM_BLE_STATE_MASK request_state_mask)3416 BOOLEAN btm_ble_topology_check(tBTM_BLE_STATE_MASK request_state_mask)
3417 {
3418 BOOLEAN rt = FALSE;
3419
3420 UINT8 state_offset = 0;
3421 UINT16 cur_states = btm_cb.ble_ctr_cb.cur_states;
3422 UINT8 mask, offset;
3423 UINT8 request_state = 0;
3424
3425 /* check only one bit is set and within valid range */
3426 if (request_state_mask == BTM_BLE_STATE_INVALID ||
3427 request_state_mask > BTM_BLE_STATE_SCAN_ADV_BIT ||
3428 (request_state_mask & (request_state_mask -1 )) != 0)
3429 {
3430 BTM_TRACE_ERROR("illegal state requested: %d", request_state_mask);
3431 return rt;
3432 }
3433
3434 while (request_state_mask)
3435 {
3436 request_state_mask >>= 1;
3437 request_state ++;
3438 }
3439
3440 /* check if the requested state is supported or not */
3441 mask = btm_le_state_combo_tbl[0][request_state - 1][0];
3442 offset = btm_le_state_combo_tbl[0][request_state-1][1];
3443
3444 const uint8_t *ble_supported_states = controller_get_interface()->get_ble_supported_states();
3445
3446 if (!BTM_LE_STATES_SUPPORTED(ble_supported_states, mask, offset))
3447 {
3448 BTM_TRACE_ERROR("state requested not supported: %d", request_state);
3449 return rt;
3450 }
3451
3452 rt = TRUE;
3453 /* make sure currently active states are all supported in conjunction with the requested
3454 state. If the bit in table is not set, the combination is not supported */
3455 while (cur_states != 0)
3456 {
3457 if (cur_states & 0x01)
3458 {
3459 mask = btm_le_state_combo_tbl[request_state][state_offset][0];
3460 offset = btm_le_state_combo_tbl[request_state][state_offset][1];
3461
3462 if (mask != 0 && offset != 0)
3463 {
3464 if (!BTM_LE_STATES_SUPPORTED(ble_supported_states, mask, offset))
3465 {
3466 rt = FALSE;
3467 break;
3468 }
3469 }
3470 }
3471 cur_states >>= 1;
3472 state_offset ++;
3473 }
3474 return rt;
3475 }
3476
3477
3478 #endif /* BLE_INCLUDED */
3479