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 "hcimsgs.h"
35 #if (GAP_INCLUDED == TRUE)
36 #include "gap_api.h"
37 #endif
38
39 #if BLE_INCLUDED == TRUE
40 #include "l2c_int.h"
41 #include "vendor_ble.h"
42
43 #include "gattdefs.h"
44 #include "gatt_int.h"
45
46 #include "btm_ble_int.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
57 static tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
58 static tBTM_BLE_CTRL_FEATURES_CBACK *p_ctrl_le_feature_rd_cmpl_cback = NULL;
59
60 /*******************************************************************************
61 ** Local functions
62 *******************************************************************************/
63 static void btm_ble_update_adv_flag(UINT8 flag);
64 static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p);
65 UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst,
66 tBTM_BLE_ADV_DATA *p_data);
67 static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb,
68 BD_ADDR_PTR p_addr_ptr,
69 tBLE_ADDR_TYPE *p_init_addr_type,
70 tBLE_ADDR_TYPE *p_own_addr_type);
71 static void btm_ble_stop_observe(void);
72
73 #define BTM_BLE_INQ_RESULT 0x01
74 #define BTM_BLE_OBS_RESULT 0x02
75 #define BTM_BLE_SEL_CONN_RESULT 0x04
76
77 /* LE states combo bit to check */
78 const UINT8 btm_le_state_combo_tbl[BTM_BLE_STATE_MAX][BTM_BLE_STATE_MAX][2] =
79 {
80 {/* single state support */
81 {HCI_SUPP_LE_STATES_CONN_ADV_MASK, HCI_SUPP_LE_STATES_CONN_ADV_OFF}, /* conn_adv */
82 {HCI_SUPP_LE_STATES_INIT_MASK, HCI_SUPP_LE_STATES_INIT_OFF}, /* init */
83 {HCI_SUPP_LE_STATES_INIT_MASK, HCI_SUPP_LE_STATES_INIT_OFF}, /* master */
84 {HCI_SUPP_LE_STATES_SLAVE_MASK, HCI_SUPP_LE_STATES_SLAVE_OFF}, /* slave */
85 {0, 0}, /* todo: lo du dir adv, not covered ? */
86 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_OFF}, /* hi duty dir adv */
87 {HCI_SUPP_LE_STATES_NON_CONN_ADV_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_OFF}, /* non connectable adv */
88 {HCI_SUPP_LE_STATES_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_OFF}, /* passive scan */
89 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_OFF}, /* active scan */
90 {HCI_SUPP_LE_STATES_SCAN_ADV_MASK, HCI_SUPP_LE_STATESSCAN_ADV_OFF} /* scanable adv */
91 },
92 { /* conn_adv =0 */
93 {0, 0}, /* conn_adv */
94 {HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* init: 32 */
95 {HCI_SUPP_LE_STATES_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_CONN_ADV_MASTER_OFF}, /* master: 35 */
96 {HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* slave: 38,*/
97 {0, 0}, /* lo du dir adv */
98 {0, 0}, /* hi duty dir adv */
99 {0, 0}, /* non connectable adv */
100 {HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_OFF}, /* passive scan */
101 {HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_OFF}, /* active scan */
102 {0, 0} /* scanable adv */
103 },
104 { /* init */
105 {HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* conn_adv: 32 */
106 {0, 0}, /* init */
107 {HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* master 28 */
108 {HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* slave 41 */
109 {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 */
110 {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 */
111 {HCI_SUPP_LE_STATES_NON_CONN_INIT_MASK, HCI_SUPP_LE_STATES_NON_CONN_INIT_OFF}, /* non connectable adv */
112 {HCI_SUPP_LE_STATES_PASS_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_INIT_OFF}, /* passive scan */
113 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_OFF}, /* active scan */
114 {HCI_SUPP_LE_STATES_SCAN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_INIT_OFF} /* scanable adv */
115
116 },
117 { /* master */
118 {HCI_SUPP_LE_STATES_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_CONN_ADV_MASTER_OFF}, /* conn_adv: 35 */
119 {HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* init 28 */
120 {HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* master 28 */
121 {HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* slave: 32 */
122 {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 */
123 {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 */
124 {HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_OFF}, /* non connectable adv */
125 {HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_OFF}, /* passive scan */
126 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_OFF}, /* active scan */
127 {HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_OFF} /* scanable adv */
128
129 },
130 { /* slave */
131 {HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* conn_adv: 38,*/
132 {HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* init 41 */
133 {HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* master 41 */
134 {HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* slave: 38,*/
135 {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 */
136 {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 */
137 {HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_OFF}, /* non connectable adv */
138 {HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_OFF}, /* passive scan */
139 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_OFF}, /* active scan */
140 {HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_OFF} /* scanable adv */
141
142 },
143 { /* lo duty cycle adv */
144 {0, 0}, /* conn_adv: 38,*/
145 {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_OFF} ,/* init 34 */
146 {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_OFF}, /* master 37 */
147 {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_OFF}, /* slave: 40 */
148 {0, 0}, /* lo duty cycle adv 40 */
149 {0, 0}, /* hi duty cycle adv 39 */
150 {0, 0}, /* non connectable adv */
151 {0, 0}, /* TODO: passive scan, not covered? */
152 {0, 0}, /* TODO: active scan, not covered? */
153 {0, 0} /* scanable adv */
154 },
155 { /* hi duty cycle adv */
156 {0, 0}, /* conn_adv: 38,*/
157 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_OFF}, /* init 33 */
158 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_OFF}, /* master 36 */
159 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_OFF}, /* slave: 39*/
160 {0, 0}, /* lo duty cycle adv 40 */
161 {0, 0}, /* hi duty cycle adv 39 */
162 {0, 0}, /* non connectable adv */
163 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_OFF}, /* passive scan */
164 {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_OFF}, /* active scan */
165 {0, 0} /* scanable adv */
166 },
167 { /* non connectable adv */
168 {0, 0}, /* conn_adv: */
169 {HCI_SUPP_LE_STATES_NON_CONN_INIT_MASK, HCI_SUPP_LE_STATES_NON_CONN_INIT_OFF}, /* init */
170 {HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_OFF}, /* master */
171 {HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_OFF}, /* slave: */
172 {0, 0}, /* lo duty cycle adv */
173 {0, 0}, /* hi duty cycle adv */
174 {0, 0}, /* non connectable adv */
175 {HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_OFF}, /* passive scan */
176 {HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_OFF}, /* active scan */
177 {0, 0} /* scanable adv */
178 },
179 { /* passive scan */
180 {HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_OFF}, /* conn_adv: */
181 {HCI_SUPP_LE_STATES_PASS_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_INIT_OFF}, /* init */
182 {HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_OFF}, /* master */
183 {HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_OFF}, /* slave: */
184 {0, 0}, /* lo duty cycle adv */
185 {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 */
186 {HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_OFF}, /* non connectable adv */
187 {0, 0}, /* passive scan */
188 {0, 0}, /* active scan */
189 {HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_OFF} /* scanable adv */
190 },
191 { /* active scan */
192 {HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_OFF}, /* conn_adv: */
193 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_OFF}, /* init */
194 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_OFF}, /* master */
195 {HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_OFF}, /* slave: */
196 {0, 0}, /* lo duty cycle adv */
197 {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 */
198 {HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_OFF}, /* non connectable adv */
199 {0, 0}, /* TODO: passive scan */
200 {0, 0}, /* TODO: active scan */
201 {HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_OFF} /* scanable adv */
202 },
203 { /* scanable adv */
204 {0, 0}, /* conn_adv: */
205 {HCI_SUPP_LE_STATES_SCAN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_INIT_OFF}, /* init */
206 {HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_OFF}, /* master */
207 {HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_OFF}, /* slave: */
208 {0, 0}, /* lo duty cycle adv */
209 {0, 0}, /* hi duty cycle adv */
210 {0, 0}, /* non connectable adv */
211 {HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_OFF}, /* passive scan */
212 {HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_OFF}, /* active scan */
213 {0, 0} /* scanable adv */
214 }
215
216 };
217 /* check LE combo state supported */
218 #define BTM_LE_STATES_SUPPORTED(x, y, z) ((x)[(z)] & (y))
219
220
221 /*******************************************************************************
222 **
223 ** Function BTM_BleUpdateAdvWhitelist
224 **
225 ** Description Add or remove device from advertising white list
226 **
227 ** Returns void
228 **
229 *******************************************************************************/
BTM_BleUpdateAdvWhitelist(BOOLEAN add_remove,BD_ADDR remote_bda)230 BOOLEAN BTM_BleUpdateAdvWhitelist(BOOLEAN add_remove, BD_ADDR remote_bda)
231 {
232 UNUSED(add_remove);
233 UNUSED(remote_bda);
234
235 return FALSE;
236 }
237
238 /*******************************************************************************
239 **
240 ** Function BTM_BleUpdateAdvFilterPolicy
241 **
242 ** Description This function update the filter policy of advertiser.
243 **
244 ** Parameter adv_policy: advertising filter policy
245 **
246 ** Return void
247 *******************************************************************************/
BTM_BleUpdateAdvFilterPolicy(tBTM_BLE_AFP adv_policy)248 void BTM_BleUpdateAdvFilterPolicy(tBTM_BLE_AFP adv_policy)
249 {
250 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
251 tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC;
252 BD_ADDR p_addr_ptr= {0};
253 UINT8 adv_mode = p_cb->adv_mode;
254
255 BTM_TRACE_EVENT ("BTM_BleUpdateAdvFilterPolicy");
256
257 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
258 return;
259
260 if (p_cb->afp != adv_policy)
261 {
262 p_cb->afp = adv_policy;
263
264 /* if adv active, stop and restart */
265 btm_ble_stop_adv ();
266
267 if (p_cb->connectable_mode & BTM_BLE_CONNECTABLE)
268 p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type,
269 &p_cb->adv_addr_type);
270
271 btsnd_hcic_ble_write_adv_params ((UINT16)(p_cb->adv_interval_min ? p_cb->adv_interval_min :
272 BTM_BLE_GAP_ADV_SLOW_INT),
273 (UINT16)(p_cb->adv_interval_max ? p_cb->adv_interval_max :
274 BTM_BLE_GAP_ADV_SLOW_INT),
275 p_cb->evt_type,
276 p_cb->adv_addr_type,
277 init_addr_type,
278 p_addr_ptr,
279 p_cb->adv_chnl_map,
280 p_cb->afp);
281
282 if (adv_mode == BTM_BLE_ADV_ENABLE)
283 btm_ble_start_adv ();
284
285 }
286 }
287 /*******************************************************************************
288 **
289 ** Function BTM_BleObserve
290 **
291 ** Description This procedure keep the device listening for advertising
292 ** events from a broadcast device.
293 **
294 ** Parameters start: start or stop observe.
295 ** white_list: use white list in observer mode or not.
296 **
297 ** Returns void
298 **
299 *******************************************************************************/
BTM_BleObserve(BOOLEAN start,UINT8 duration,tBTM_INQ_RESULTS_CB * p_results_cb,tBTM_CMPL_CB * p_cmpl_cb)300 tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT8 duration,
301 tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb)
302 {
303 tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var;
304 tBTM_STATUS status = BTM_WRONG_MODE;
305
306 BTM_TRACE_EVENT ("BTM_BleObserve : scan_type:%d",btm_cb.btm_inq_vars.scan_type);
307
308 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
309 return BTM_ILLEGAL_VALUE;
310
311 if (start)
312 {
313 /* shared inquiry database, do not allow observe if any inquiry is active */
314 if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
315 {
316 BTM_TRACE_ERROR("Observe Already Active");
317 return status;
318 }
319
320 btm_cb.ble_ctr_cb.p_obs_results_cb = p_results_cb;
321 btm_cb.ble_ctr_cb.p_obs_cmpl_cb = p_cmpl_cb;
322 status = BTM_CMD_STARTED;
323
324 /* scan is not started */
325 if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
326 {
327 p_inq->scan_type = (p_inq->scan_type == BTM_BLE_SCAN_MODE_NONE) ? BTM_BLE_SCAN_MODE_ACTI: p_inq->scan_type;
328 /* allow config scanning type */
329 btsnd_hcic_ble_set_scan_params (p_inq->scan_type,
330 (UINT16)(!p_inq->scan_interval ? BTM_BLE_GAP_DISC_SCAN_INT : p_inq->scan_interval),
331 (UINT16)(!p_inq->scan_window ? BTM_BLE_GAP_DISC_SCAN_WIN : p_inq->scan_window),
332 btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type,
333 BTM_BLE_DEFAULT_SFP); /* assume observe always not using white list */
334
335 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
336 /* enable IRK list */
337 btm_ble_vendor_irk_list_known_dev (TRUE);
338 #endif
339 status = btm_ble_start_scan(BTM_BLE_DUPLICATE_DISABLE);
340 }
341 if (status == BTM_CMD_STARTED)
342 {
343 btm_cb.ble_ctr_cb.scan_activity |= BTM_LE_OBSERVE_ACTIVE;
344
345 if (duration != 0)
346 /* start observer timer */
347 btu_start_timer (&btm_cb.ble_ctr_cb.obs_timer_ent, BTU_TTYPE_BLE_OBSERVE, duration);
348 }
349 }
350 else if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
351 {
352 status = BTM_CMD_STARTED;
353 btm_ble_stop_observe();
354 }
355 else
356 {
357 BTM_TRACE_ERROR("Observe not active");
358 }
359
360 return status;
361
362 }
363
364 /*******************************************************************************
365 **
366 ** Function BTM_BleBroadcast
367 **
368 ** Description This function is to start or stop broadcasting.
369 **
370 ** Parameters start: start or stop broadcasting.
371 **
372 ** Returns status.
373 **
374 *******************************************************************************/
BTM_BleBroadcast(BOOLEAN start)375 tBTM_STATUS BTM_BleBroadcast(BOOLEAN start)
376 {
377 tBTM_STATUS status = BTM_NO_RESOURCES;
378 tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
379 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
380 UINT8 evt_type = p_cb->scan_rsp ? BTM_BLE_DISCOVER_EVT: BTM_BLE_NON_CONNECT_EVT;
381
382 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
383 return BTM_ILLEGAL_VALUE;
384
385 #ifdef BTM_BLE_PC_ADV_TEST_MODE
386 if (BTM_BLE_PC_ADV_TEST_MODE)
387 {
388 evt_type = p_cb->scan_rsp ? BTM_BLE_CONNECT_EVT: BTM_BLE_NON_CONNECT_EVT;
389 }
390 #endif
391
392 if (start && p_cb->adv_mode == BTM_BLE_ADV_DISABLE)
393 {
394 /* update adv params */
395 if (!btsnd_hcic_ble_write_adv_params ((UINT16)(p_cb->adv_interval_min ? p_cb->adv_interval_min :
396 BTM_BLE_GAP_ADV_INT),
397 (UINT16)(p_cb->adv_interval_max ? p_cb->adv_interval_max :
398 BTM_BLE_GAP_ADV_INT),
399 evt_type,
400 p_addr_cb->own_addr_type,
401 p_cb->direct_bda.type,
402 p_cb->direct_bda.bda,
403 p_cb->adv_chnl_map,
404 p_cb->afp))
405
406 status = BTM_NO_RESOURCES;
407 else
408 p_cb->evt_type = evt_type;
409
410 status = btm_ble_start_adv ();
411 }
412 else if (!start)
413 {
414 status = btm_ble_stop_adv();
415 }
416 else
417 {
418 status = BTM_WRONG_MODE;
419 BTM_TRACE_ERROR("Can not %s Broadcast, device %s in Broadcast mode",
420 (start ? "Start" : "Stop"), (start ? "already" :"not"));
421 }
422 return status;
423 }
424
425 /*******************************************************************************
426 **
427 ** Function btm_vsc_brcm_features_complete
428 **
429 ** Description Command Complete callback for HCI_BLE_VENDOR_CAP_OCF
430 **
431 ** Returns void
432 **
433 *******************************************************************************/
btm_ble_vendor_capability_vsc_cmpl_cback(tBTM_VSC_CMPL * p_vcs_cplt_params)434 static void btm_ble_vendor_capability_vsc_cmpl_cback (tBTM_VSC_CMPL *p_vcs_cplt_params)
435 {
436 #if BLE_VND_INCLUDED == TRUE
437 UINT8 status = 0xFF, *p;
438
439 BTM_TRACE_DEBUG("btm_ble_vendor_capability_vsc_cmpl_cback");
440
441 /* Check status of command complete event */
442 if ((p_vcs_cplt_params->opcode == HCI_BLE_VENDOR_CAP_OCF) &&(p_vcs_cplt_params->param_len > 0))
443 {
444 p = p_vcs_cplt_params->p_param_buf;
445 STREAM_TO_UINT8 (status, p);
446 }
447
448 if (status == HCI_SUCCESS)
449 {
450 STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.adv_inst_max, p);
451 STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.rpa_offloading, p);
452 STREAM_TO_UINT16 (btm_cb.cmn_ble_vsc_cb.tot_scan_results_strg, p);
453 STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.max_irk_list_sz, p);
454 STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.filter_support, p);
455 STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.max_filter, p);
456 STREAM_TO_UINT8 (btm_cb.cmn_ble_vsc_cb.energy_support, p);
457 btm_cb.cmn_ble_vsc_cb.values_read = TRUE;
458 }
459
460 BTM_TRACE_DEBUG("btm_ble_vnd_cap_vsc_cmpl_cback: stat=%d, irk=%d, ADV ins:%d, rpa=%d, ener=%d",
461 status, btm_ble_vendor_cb.irk_avail_size, btm_cb.cmn_ble_vsc_cb.adv_inst_max,
462 btm_cb.cmn_ble_vsc_cb.rpa_offloading, btm_cb.cmn_ble_vsc_cb.energy_support);
463
464 if (BTM_BleMaxMultiAdvInstanceCount() > 0)
465 btm_ble_multi_adv_init();
466
467 if (btm_cb.cmn_ble_vsc_cb.max_filter > 0)
468 {
469 btm_ble_adv_filter_init();
470 }
471
472 if (btm_cb.cmn_ble_vsc_cb.max_irk_list_sz > 0)
473 {
474 btm_ble_vendor_init(btm_cb.cmn_ble_vsc_cb.max_irk_list_sz);
475 }
476
477 if (btm_cb.cmn_ble_vsc_cb.tot_scan_results_strg > 0)
478 btm_ble_batchscan_init();
479
480 if (p_ctrl_le_feature_rd_cmpl_cback != NULL)
481 p_ctrl_le_feature_rd_cmpl_cback(status);
482
483 #else
484 UNUSED(p_vcs_cplt_params);
485 #endif
486 }
487
488 /*******************************************************************************
489 **
490 ** Function BTM_BleGetVendorCapabilities
491 **
492 ** Description This function reads local LE features
493 **
494 ** Parameters p_cmn_vsc_cb : Locala LE capability structure
495 **
496 ** Returns void
497 **
498 *******************************************************************************/
BTM_BleGetVendorCapabilities(tBTM_BLE_VSC_CB * p_cmn_vsc_cb)499 BTM_API extern void BTM_BleGetVendorCapabilities(tBTM_BLE_VSC_CB *p_cmn_vsc_cb)
500 {
501 BTM_TRACE_DEBUG("BTM_BleGetVendorCapabilities");
502
503 if (NULL != p_cmn_vsc_cb)
504 {
505 *p_cmn_vsc_cb = btm_cb.cmn_ble_vsc_cb;
506 }
507 }
508
509 /******************************************************************************
510 **
511 ** Function BTM_BleReadControllerFeatures
512 **
513 ** Description Reads BLE specific controller features
514 **
515 ** Parameters: tBTM_BLE_CTRL_FEATURES_CBACK : Callback to notify when features are read
516 **
517 ** Returns void
518 **
519 *******************************************************************************/
BTM_BleReadControllerFeatures(tBTM_BLE_CTRL_FEATURES_CBACK * p_vsc_cback)520 BTM_API extern void BTM_BleReadControllerFeatures(tBTM_BLE_CTRL_FEATURES_CBACK *p_vsc_cback)
521 {
522 if (TRUE == btm_cb.cmn_ble_vsc_cb.values_read)
523 return;
524
525 #if BLE_VND_INCLUDED == TRUE
526 BTM_TRACE_DEBUG("BTM_BleReadControllerFeatures");
527
528 p_ctrl_le_feature_rd_cmpl_cback = p_vsc_cback;
529 if ( BTM_VendorSpecificCommand (HCI_BLE_VENDOR_CAP_OCF,
530 0,
531 NULL,
532 btm_ble_vendor_capability_vsc_cmpl_cback)
533 != BTM_CMD_STARTED)
534 {
535 BTM_TRACE_ERROR("LE Get_Vendor Capabilities Command Failed.");
536 }
537 #else
538 UNUSED(p_vsc_cback);
539 #endif
540 return ;
541 }
542
543 /*******************************************************************************
544 **
545 ** Function BTM_RegisterScanReqEvt
546 **
547 ** Description This function is called to register a scan request callback
548 ** on the advertiser.
549 **
550 ** Parameters p_scan_req_cback: scan request callback. If NULL, remove the
551 ** registration.
552 **
553 ** Returns void
554 **
555 *******************************************************************************/
BTM_RegisterScanReqEvt(tBTM_BLE_SCAN_REQ_CBACK * p_scan_req_cback)556 void BTM_RegisterScanReqEvt(tBTM_BLE_SCAN_REQ_CBACK *p_scan_req_cback)
557 {
558 #ifdef BTM_BLE_PC_ADV_TEST_MODE /* For general stack code (e.g. BTInsight testing), we simply do not define it to exclude or set it to TRUE to include */
559 if (BTM_BLE_PC_ADV_TEST_MODE) /* For stack component, it is always defined and maps to a global variable g_bDraculaAdvertisingMode */
560 {
561 tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
562 p_cb->p_scan_req_cback = p_scan_req_cback;
563 }
564 #else
565 UNUSED(p_scan_req_cback);
566 #endif
567 }
568
569 /*******************************************************************************
570 **
571 ** Function BTM_BleConfigPrivacy
572 **
573 ** Description This function is called to enable or disable the privacy in
574 ** LE channel of the local device.
575 **
576 ** Parameters enable: TRUE to enable it; FALSE to disable it.
577 **
578 ** Returns void
579 **
580 *******************************************************************************/
BTM_BleConfigPrivacy(BOOLEAN enable)581 void BTM_BleConfigPrivacy(BOOLEAN enable)
582 {
583 tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
584
585 BTM_TRACE_EVENT (" BTM_BleConfigPrivacy");
586
587 if (p_cb->privacy != enable)
588 {
589 p_cb->privacy = enable;
590
591 if (p_cb->privacy)
592 {
593 /* generate resolvable private address */
594 btm_gen_resolvable_private_addr((void*)btm_gen_resolve_paddr_low);
595 }
596 else /* if privacy disabled, always use public address */
597 {
598 p_cb->addr_mgnt_cb.own_addr_type = BLE_ADDR_PUBLIC;
599 }
600
601 if (BTM_BleMaxMultiAdvInstanceCount() > 0)
602 btm_ble_multi_adv_enb_privacy(p_cb->privacy);
603 }
604 }
605
606 /*******************************************************************************
607 **
608 ** Function BTM_BleMaxMultiAdvInstanceCount
609 **
610 ** Description Returns max number of multi adv instances supported by controller
611 **
612 ** Returns Max multi adv instance count
613 **
614 *******************************************************************************/
BTM_BleMaxMultiAdvInstanceCount()615 BTM_API extern UINT8 BTM_BleMaxMultiAdvInstanceCount()
616 {
617 return btm_cb.cmn_ble_vsc_cb.adv_inst_max < BTM_BLE_MULTI_ADV_MAX ?
618 btm_cb.cmn_ble_vsc_cb.adv_inst_max : BTM_BLE_MULTI_ADV_MAX;
619 }
620
621 #if BLE_PRIVACY_SPT == TRUE
622 /*******************************************************************************
623 **
624 ** Function btm_ble_resolve_random_addr_on_adv
625 **
626 ** Description resolve random address complete callback.
627 **
628 ** Returns void
629 **
630 *******************************************************************************/
btm_ble_resolve_random_addr_on_adv(void * p_rec,void * p)631 static void btm_ble_resolve_random_addr_on_adv(void * p_rec, void *p)
632 {
633 tBTM_SEC_DEV_REC *match_rec = (tBTM_SEC_DEV_REC *) p_rec;
634 UINT8 addr_type = BLE_ADDR_RANDOM;
635 BD_ADDR bda;
636 UINT8 *pp = (UINT8 *)p + 1;
637 UINT8 evt_type;
638
639 BTM_TRACE_EVENT ("btm_ble_resolve_random_addr_on_adv ");
640
641 STREAM_TO_UINT8 (evt_type, pp);
642 STREAM_TO_UINT8 (addr_type, pp);
643 STREAM_TO_BDADDR (bda, pp);
644
645 if (match_rec)
646 {
647 BTM_TRACE_DEBUG("Random match");
648 match_rec->ble.active_addr_type = BTM_BLE_ADDR_RRA;
649 memcpy(match_rec->ble.cur_rand_addr, bda, BD_ADDR_LEN);
650 memcpy(bda, match_rec->bd_addr, BD_ADDR_LEN);
651 addr_type = match_rec->ble.ble_addr_type;
652 }
653
654 btm_ble_process_adv_pkt_cont(bda, addr_type, evt_type, pp);
655
656 return;
657 }
658 #endif
659
660 /*******************************************************************************
661 **
662 ** Function BTM_BleLocalPrivacyEnabled
663 **
664 ** Description Checks if local device supports private address
665 **
666 ** Returns Return TRUE if local privacy is enabled else FALSE
667 **
668 *******************************************************************************/
BTM_BleLocalPrivacyEnabled()669 BOOLEAN BTM_BleLocalPrivacyEnabled()
670 {
671 #if BLE_PRIVACY_SPT == TRUE
672 return btm_cb.ble_ctr_cb.privacy;
673 #else
674 return false;
675 #endif
676 }
677
678 /*******************************************************************************
679 **
680 ** Function BTM_BleSetBgConnType
681 **
682 ** Description This function is called to set BLE connectable mode for a
683 ** peripheral device.
684 **
685 ** Parameters bg_conn_type: it can be auto connection, or selective connection.
686 ** p_select_cback: callback function when selective connection procedure
687 ** is being used.
688 **
689 ** Returns void
690 **
691 *******************************************************************************/
BTM_BleSetBgConnType(tBTM_BLE_CONN_TYPE bg_conn_type,tBTM_BLE_SEL_CBACK * p_select_cback)692 BOOLEAN BTM_BleSetBgConnType(tBTM_BLE_CONN_TYPE bg_conn_type,
693 tBTM_BLE_SEL_CBACK *p_select_cback)
694 {
695 BOOLEAN started = TRUE;
696
697 BTM_TRACE_EVENT ("BTM_BleSetBgConnType ");
698 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
699 return FALSE;
700
701 if (btm_cb.ble_ctr_cb.bg_conn_type != bg_conn_type)
702 {
703 switch (bg_conn_type)
704 {
705 case BTM_BLE_CONN_AUTO:
706 btm_ble_start_auto_conn(TRUE);
707 break;
708
709 case BTM_BLE_CONN_SELECTIVE:
710 if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_AUTO)
711 {
712 btm_ble_start_auto_conn(FALSE);
713 }
714 started = btm_ble_start_select_conn(TRUE, p_select_cback);
715 break;
716
717 case BTM_BLE_CONN_NONE:
718 if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_AUTO)
719 {
720 btm_ble_start_auto_conn(FALSE);
721 }
722 else if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_SELECTIVE)
723 {
724 btm_ble_start_select_conn(FALSE, NULL);
725 }
726 started = TRUE;
727 break;
728
729 default:
730 BTM_TRACE_ERROR("invalid bg connection type : %d ", bg_conn_type);
731 started = FALSE;
732 break;
733 }
734
735 if (started)
736 btm_cb.ble_ctr_cb.bg_conn_type = bg_conn_type;
737 }
738 return started;
739 }
740
741 /*******************************************************************************
742 **
743 ** Function BTM_BleClearBgConnDev
744 **
745 ** Description This function is called to clear the whitelist,
746 ** end any pending whitelist connections,
747 * and reset the local bg device list.
748 **
749 ** Parameters void
750 **
751 ** Returns void
752 **
753 *******************************************************************************/
BTM_BleClearBgConnDev(void)754 void BTM_BleClearBgConnDev(void)
755 {
756 btm_ble_start_auto_conn(FALSE);
757 btm_ble_clear_white_list();
758 gatt_reset_bgdev_list();
759 }
760
761 /*******************************************************************************
762 **
763 ** Function BTM_BleUpdateBgConnDev
764 **
765 ** Description This function is called to add or remove a device into/from
766 ** background connection procedure. The background connection
767 * procedure is decided by the background connection type, it can be
768 * auto connection, or selective connection.
769 **
770 ** Parameters add_remove: TRUE to add; FALSE to remove.
771 ** remote_bda: device address to add/remove.
772 **
773 ** Returns void
774 **
775 *******************************************************************************/
BTM_BleUpdateBgConnDev(BOOLEAN add_remove,BD_ADDR remote_bda)776 BOOLEAN BTM_BleUpdateBgConnDev(BOOLEAN add_remove, BD_ADDR remote_bda)
777 {
778 BOOLEAN ret = TRUE;
779 BTM_TRACE_EVENT (" BTM_BleUpdateBgConnDev");
780
781 /* update white list */
782 ret = btm_update_bg_conn_list(add_remove, remote_bda);
783
784 btm_update_dev_to_white_list(add_remove, remote_bda);
785
786 return ret;
787 }
788
789 /*******************************************************************************
790 **
791 ** Function BTM_BleSetConnMode
792 **
793 ** Description This function is called to set BLE connectable mode for a
794 ** peripheral device.
795 **
796 ** Parameters directed: is directed connectable mode, or non-directed.
797 ** p_dir_bda: connectable direct initiator's LE device address
798 **
799 ** Returns void
800 **
801 *******************************************************************************/
BTM_BleSetConnMode(BOOLEAN is_directed)802 tBTM_STATUS BTM_BleSetConnMode(BOOLEAN is_directed)
803 {
804 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
805
806 BTM_TRACE_EVENT ("BTM_BleSetConnMode is_directed = %d ", is_directed);
807 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
808 return BTM_ILLEGAL_VALUE;
809
810 p_cb->directed_conn = is_directed;
811 return btm_ble_set_connectability( p_cb->connectable_mode);
812
813 }
814
815 /*******************************************************************************
816 **
817 ** Function btm_set_conn_mode_adv_init_addr
818 **
819 ** Description set initator address type and local address type based on adv
820 ** mode.
821 **
822 **
823 *******************************************************************************/
btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB * p_cb,BD_ADDR_PTR p_addr_ptr,tBLE_ADDR_TYPE * p_init_addr_type,tBLE_ADDR_TYPE * p_own_addr_type)824 static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb,
825 BD_ADDR_PTR p_addr_ptr,
826 tBLE_ADDR_TYPE *p_init_addr_type,
827 tBLE_ADDR_TYPE *p_own_addr_type)
828 {
829 UINT8 evt_type;
830
831 UNUSED(p_own_addr_type);
832
833 if ( p_cb->directed_conn)
834 {
835 /* direct adv mode does not have privacy if privacy
836 is not enabled or no reconn addr config */
837
838 *p_init_addr_type = p_cb->direct_bda.type;
839 memcpy(p_addr_ptr, p_cb->direct_bda.bda, BD_ADDR_LEN);
840 evt_type = BTM_BLE_CONNECT_DIR_EVT;
841 }
842 else /* undirect adv mode */
843 {
844 evt_type = BTM_BLE_CONNECT_EVT;
845
846 /* may need to reset random address if privacy is enabled */
847 if (btm_cb.ble_ctr_cb.privacy && /* own addr_type is random */
848 !BTM_BLE_IS_RESOLVE_BDA(btm_cb.ble_ctr_cb.addr_mgnt_cb.private_addr))
849 {
850 /* need to generate RRA and update random addresss in controller */
851 btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low);
852 }
853 }
854
855 return evt_type;
856
857 }
858
859 /*******************************************************************************
860 **
861 ** Function BTM_BleSetAdvParams
862 **
863 ** Description This function is called to set advertising parameters.
864 **
865 ** Parameters adv_int_min: minimum advertising interval
866 ** adv_int_max: maximum advertising interval
867 ** p_dir_bda: connectable direct initiator's LE device address
868 ** chnl_map: advertising channel map.
869 **
870 ** Returns void
871 **
872 *******************************************************************************/
BTM_BleSetAdvParams(UINT16 adv_int_min,UINT16 adv_int_max,tBLE_BD_ADDR * p_dir_bda,tBTM_BLE_ADV_CHNL_MAP chnl_map)873 tBTM_STATUS BTM_BleSetAdvParams(UINT16 adv_int_min, UINT16 adv_int_max,
874 tBLE_BD_ADDR *p_dir_bda,
875 tBTM_BLE_ADV_CHNL_MAP chnl_map)
876 {
877 tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
878 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
879 tBTM_STATUS status = BTM_SUCCESS;
880 BD_ADDR p_addr_ptr = {0};
881 tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC;
882 tBLE_ADDR_TYPE own_addr_type = p_addr_cb->own_addr_type;
883 UINT8 adv_mode = p_cb->adv_mode;
884
885 BTM_TRACE_EVENT ("BTM_BleSetAdvParams");
886
887 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
888 return BTM_ILLEGAL_VALUE;
889
890 if (!BTM_BLE_VALID_PRAM(adv_int_min, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX) ||
891 !BTM_BLE_VALID_PRAM(adv_int_max, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX))
892 {
893 return BTM_ILLEGAL_VALUE;
894 }
895
896 p_cb->adv_interval_min = adv_int_min;
897 p_cb->adv_interval_max = adv_int_max;
898 p_cb->adv_chnl_map = chnl_map;
899
900 if (p_dir_bda)
901 {
902 memcpy(&p_cb->direct_bda, p_dir_bda, sizeof(tBLE_BD_ADDR));
903 }
904
905 BTM_TRACE_EVENT ("update params for an active adv");
906
907 btm_ble_stop_adv();
908
909 if (p_cb->connectable_mode & BTM_BLE_CONNECTABLE)
910 p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type);
911
912 /* update adv params */
913 btsnd_hcic_ble_write_adv_params (p_cb->adv_interval_min,
914 p_cb->adv_interval_max,
915 p_cb->evt_type,
916 own_addr_type,
917 init_addr_type,
918 p_addr_ptr,
919 p_cb->adv_chnl_map,
920 p_cb->afp);
921
922 if (adv_mode == BTM_BLE_ADV_ENABLE)
923 btm_ble_start_adv();
924
925 return status;
926 }
927
928 /*******************************************************************************
929 **
930 ** Function BTM_BleReadAdvParams
931 **
932 ** Description This function is called to set advertising parameters.
933 **
934 ** Parameters adv_int_min: minimum advertising interval
935 ** adv_int_max: maximum advertising interval
936 ** p_dir_bda: connectable direct initiator's LE device address
937 ** chnl_map: advertising channel map.
938 **
939 ** Returns void
940 **
941 *******************************************************************************/
BTM_BleReadAdvParams(UINT16 * adv_int_min,UINT16 * adv_int_max,tBLE_BD_ADDR * p_dir_bda,tBTM_BLE_ADV_CHNL_MAP * p_chnl_map)942 void BTM_BleReadAdvParams (UINT16 *adv_int_min, UINT16 *adv_int_max,
943 tBLE_BD_ADDR *p_dir_bda, tBTM_BLE_ADV_CHNL_MAP *p_chnl_map)
944 {
945 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
946
947 BTM_TRACE_EVENT ("BTM_BleReadAdvParams ");
948 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
949 return ;
950
951 *adv_int_min = p_cb->adv_interval_min;
952 *adv_int_max = p_cb->adv_interval_max;
953 *p_chnl_map = p_cb->adv_chnl_map;
954
955 if (p_dir_bda != NULL)
956 {
957 memcpy(p_dir_bda, &p_cb->direct_bda, sizeof(tBLE_BD_ADDR));
958 }
959 }
960
961 /*******************************************************************************
962 **
963 ** Function BTM_BleSetScanParams
964 **
965 ** Description This function is called to set Scan parameters.
966 **
967 ** Parameters adv_int_min: minimum advertising interval
968 ** adv_int_max: maximum advertising interval
969 ** p_dir_bda: connectable direct initiator's LE device address
970 ** chnl_map: advertising channel map.
971 ** scan_type: active scan or passive scan
972 **
973 ** Returns void
974 **
975 *******************************************************************************/
BTM_BleSetScanParams(UINT16 scan_interval,UINT16 scan_window,tBTM_BLE_SCAN_MODE scan_mode)976 void BTM_BleSetScanParams(UINT16 scan_interval, UINT16 scan_window, tBTM_BLE_SCAN_MODE scan_mode)
977 {
978 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
979
980 BTM_TRACE_EVENT (" BTM_BleSetScanParams");
981 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
982 return ;
983
984 if (BTM_BLE_VALID_PRAM(scan_interval, BTM_BLE_SCAN_INT_MIN, BTM_BLE_SCAN_INT_MAX) &&
985 BTM_BLE_VALID_PRAM(scan_window, BTM_BLE_SCAN_WIN_MIN, BTM_BLE_SCAN_WIN_MAX) &&
986 (scan_mode == BTM_BLE_SCAN_MODE_ACTI || scan_mode == BTM_BLE_SCAN_MODE_PASS))
987 {
988 p_cb->scan_type = scan_mode;
989
990 if (BTM_BLE_CONN_PARAM_UNDEF != scan_interval)
991 p_cb->scan_interval = scan_interval;
992
993 if (BTM_BLE_CONN_PARAM_UNDEF != scan_window)
994 p_cb->scan_window = scan_window;
995 }
996 else
997 {
998 BTM_TRACE_ERROR("Illegal params: scan_interval = %d scan_window = %d",
999 scan_interval, scan_window);
1000 }
1001
1002 }
1003
1004 /*******************************************************************************
1005 **
1006 ** Function BTM_BleWriteScanRsp
1007 **
1008 ** Description This function is called to write LE scan response.
1009 **
1010 ** Parameters: p_scan_rsp: scan response information.
1011 **
1012 ** Returns void
1013 **
1014 *******************************************************************************/
BTM_BleWriteScanRsp(tBTM_BLE_AD_MASK data_mask,tBTM_BLE_ADV_DATA * p_data)1015 tBTM_STATUS BTM_BleWriteScanRsp(tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p_data)
1016 {
1017 tBTM_STATUS status = BTM_NO_RESOURCES;
1018 UINT8 rsp_data[BTM_BLE_AD_DATA_LEN],
1019 *p = rsp_data;
1020
1021 BTM_TRACE_EVENT (" BTM_BleWriteScanRsp");
1022
1023 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
1024 return BTM_ILLEGAL_VALUE;
1025
1026 memset(rsp_data, 0, BTM_BLE_AD_DATA_LEN);
1027 btm_ble_build_adv_data(&data_mask, &p, p_data);
1028
1029 if (btsnd_hcic_ble_set_scan_rsp_data((UINT8)(p - rsp_data), rsp_data))
1030 {
1031 status = BTM_SUCCESS;
1032
1033 if (data_mask != 0)
1034 btm_cb.ble_ctr_cb.inq_var.scan_rsp = TRUE;
1035 else
1036 btm_cb.ble_ctr_cb.inq_var.scan_rsp = FALSE;
1037 }
1038 else
1039 status = BTM_ILLEGAL_VALUE;
1040
1041 return status;
1042 }
1043
1044 /*******************************************************************************
1045 **
1046 ** Function BTM_BleWriteAdvData
1047 **
1048 ** Description This function is called to write advertising data.
1049 **
1050 ** Parameters: None.
1051 **
1052 ** Returns void
1053 **
1054 *******************************************************************************/
BTM_BleWriteAdvData(tBTM_BLE_AD_MASK data_mask,tBTM_BLE_ADV_DATA * p_data)1055 tBTM_STATUS BTM_BleWriteAdvData(tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p_data)
1056 {
1057 tBTM_BLE_LOCAL_ADV_DATA *p_cb_data = &btm_cb.ble_ctr_cb.inq_var.adv_data;
1058 UINT8 *p;
1059 tBTM_BLE_AD_MASK mask = data_mask;
1060
1061 BTM_TRACE_EVENT ("BTM_BleWriteAdvData ");
1062
1063 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
1064 return BTM_ILLEGAL_VALUE;
1065
1066 memset(p_cb_data, 0, sizeof(tBTM_BLE_LOCAL_ADV_DATA));
1067 p = p_cb_data->ad_data;
1068 p_cb_data->data_mask = data_mask;
1069
1070 p_cb_data->p_flags = btm_ble_build_adv_data(&mask, &p, p_data);
1071
1072 p_cb_data->p_pad = p;
1073
1074 if (mask != 0)
1075 {
1076 BTM_TRACE_ERROR("Partial data write into ADV");
1077 }
1078
1079 p_cb_data->data_mask &= ~mask;
1080
1081 if (btsnd_hcic_ble_set_adv_data((UINT8)(p_cb_data->p_pad - p_cb_data->ad_data),
1082 p_cb_data->ad_data))
1083 return BTM_SUCCESS;
1084 else
1085 return BTM_NO_RESOURCES;
1086
1087 }
1088
1089 /*******************************************************************************
1090 **
1091 ** Function BTM_CheckAdvData
1092 **
1093 ** Description This function is called to get ADV data for a specific type.
1094 **
1095 ** Parameters p_adv - pointer of ADV data
1096 ** type - finding ADV data type
1097 ** p_length - return the length of ADV data not including type
1098 **
1099 ** Returns pointer of ADV data
1100 **
1101 *******************************************************************************/
BTM_CheckAdvData(UINT8 * p_adv,UINT8 type,UINT8 * p_length)1102 UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length)
1103 {
1104 UINT8 *p = p_adv;
1105 UINT8 length;
1106 UINT8 adv_type;
1107 BTM_TRACE_API("BTM_CheckAdvData type=0x%02X", type);
1108
1109 STREAM_TO_UINT8(length, p);
1110
1111 while ( length && (p - p_adv <= BTM_BLE_CACHE_ADV_DATA_MAX))
1112 {
1113 STREAM_TO_UINT8(adv_type, p);
1114
1115 if ( adv_type == type )
1116 {
1117 /* length doesn't include itself */
1118 *p_length = length - 1; /* minus the length of type */
1119 return p;
1120 }
1121 p += length - 1; /* skip the length of data */
1122 STREAM_TO_UINT8(length, p);
1123 }
1124
1125 *p_length = 0;
1126 return NULL;
1127 }
1128
1129 /*******************************************************************************
1130 **
1131 ** Function btm_ble_build_adv_data
1132 **
1133 ** Description This function is called build the adv data and rsp data.
1134 *******************************************************************************/
btm_ble_build_adv_data(tBTM_BLE_AD_MASK * p_data_mask,UINT8 ** p_dst,tBTM_BLE_ADV_DATA * p_data)1135 UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst,
1136 tBTM_BLE_ADV_DATA *p_data)
1137 {
1138 UINT32 data_mask = *p_data_mask;
1139 UINT8 *p = *p_dst,
1140 *p_flag = NULL;
1141 UINT16 len = BTM_BLE_AD_DATA_LEN, cp_len = 0;
1142 UINT8 i = 0;
1143 tBTM_BLE_PROP_ELEM *p_elem;
1144
1145 BTM_TRACE_EVENT (" btm_ble_build_adv_data");
1146
1147 /* build the adv data structure and build the data string */
1148 if (data_mask)
1149 {
1150 /* flags */
1151 if (data_mask & BTM_BLE_AD_BIT_FLAGS)
1152 {
1153 *p++ = MIN_ADV_LENGTH;
1154 *p++ = BTM_BLE_AD_TYPE_FLAG;
1155 p_flag = p;
1156 if (p_data)
1157 *p++ = p_data->flag;
1158 else
1159 *p++ = 0;
1160
1161 len -= 3;
1162
1163 data_mask &= ~BTM_BLE_AD_BIT_FLAGS;
1164 }
1165 /* appearance data */
1166 if (len > 3 && data_mask & BTM_BLE_AD_BIT_APPEARANCE)
1167 {
1168 *p++ = 3; /* length */
1169 *p++ = BTM_BLE_AD_TYPE_APPEARANCE;
1170 UINT16_TO_STREAM(p, p_data->appearance);
1171 len -= 4;
1172
1173 data_mask &= ~BTM_BLE_AD_BIT_APPEARANCE;
1174 }
1175 /* device name */
1176 #if BTM_MAX_LOC_BD_NAME_LEN > 0
1177 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_DEV_NAME)
1178 {
1179 if (strlen(btm_cb.cfg.bd_name) > (UINT16)(len - MIN_ADV_LENGTH))
1180 {
1181 *p++ = len - MIN_ADV_LENGTH + 1;
1182 *p++ = BTM_BLE_AD_TYPE_NAME_SHORT;
1183 ARRAY_TO_STREAM(p, btm_cb.cfg.bd_name, len - MIN_ADV_LENGTH);
1184 }
1185 else
1186 {
1187 cp_len = (UINT16)strlen(btm_cb.cfg.bd_name);
1188 *p++ = cp_len + 1;
1189 *p++ = BTM_BLE_AD_TYPE_NAME_CMPL;
1190 ARRAY_TO_STREAM(p, btm_cb.cfg.bd_name, cp_len);
1191 }
1192 len -= (cp_len + MIN_ADV_LENGTH);
1193 data_mask &= ~BTM_BLE_AD_BIT_DEV_NAME;
1194 }
1195 #endif
1196 /* manufacturer data */
1197 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_MANU &&
1198 p_data && p_data->p_manu &&
1199 p_data->p_manu->len != 0 && p_data->p_manu->p_val)
1200 {
1201 if (p_data->p_manu->len > (len - MIN_ADV_LENGTH))
1202 cp_len = len - MIN_ADV_LENGTH;
1203 else
1204 cp_len = p_data->p_manu->len;
1205
1206 *p++ = cp_len + 1;
1207 *p++ = BTM_BLE_AD_TYPE_MANU;
1208 ARRAY_TO_STREAM(p, p_data->p_manu->p_val, cp_len);
1209
1210 len -= (cp_len + MIN_ADV_LENGTH);
1211 data_mask &= ~BTM_BLE_AD_BIT_MANU;
1212 }
1213 /* TX power */
1214 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_TX_PWR)
1215 {
1216 *p++ = MIN_ADV_LENGTH;
1217 *p++ = BTM_BLE_AD_TYPE_TX_PWR;
1218 if (p_data->tx_power > BTM_BLE_ADV_TX_POWER_MAX)
1219 p_data->tx_power = BTM_BLE_ADV_TX_POWER_MAX;
1220 *p++ = btm_ble_map_adv_tx_power(p_data->tx_power);
1221 len -= 3;
1222 data_mask &= ~BTM_BLE_AD_BIT_TX_PWR;
1223 }
1224 /* 16 bits services */
1225 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE &&
1226 p_data && p_data->p_services &&
1227 p_data->p_services->num_service != 0 &&
1228 p_data->p_services->p_uuid)
1229 {
1230 if (p_data->p_services->num_service * LEN_UUID_16 > (len - MIN_ADV_LENGTH))
1231 {
1232 cp_len = (len - MIN_ADV_LENGTH)/LEN_UUID_16;
1233 *p ++ = 1 + cp_len * LEN_UUID_16;
1234 *p++ = BTM_BLE_AD_TYPE_16SRV_PART;
1235 }
1236 else
1237 {
1238 cp_len = p_data->p_services->num_service;
1239 *p++ = 1 + cp_len * LEN_UUID_16;
1240 *p++ = BTM_BLE_AD_TYPE_16SRV_CMPL;
1241 }
1242 for (i = 0; i < cp_len; i ++)
1243 {
1244 UINT16_TO_STREAM(p, *(p_data->p_services->p_uuid + i));
1245 }
1246
1247 len -= (cp_len * MIN_ADV_LENGTH + MIN_ADV_LENGTH);
1248 data_mask &= ~BTM_BLE_AD_BIT_SERVICE;
1249 }
1250 /* 32 bits service uuid */
1251 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_32 &&
1252 p_data && p_data->p_service_32b &&
1253 p_data->p_service_32b->num_service != 0 &&
1254 p_data->p_service_32b->p_uuid)
1255 {
1256 if ((p_data->p_service_32b->num_service * LEN_UUID_32) > (len - MIN_ADV_LENGTH))
1257 {
1258 cp_len = (len - MIN_ADV_LENGTH)/LEN_UUID_32;
1259 *p ++ = 1 + cp_len * LEN_UUID_32;
1260 *p++ = BTM_BLE_AD_TYPE_32SRV_PART;
1261 }
1262 else
1263 {
1264 cp_len = p_data->p_service_32b->num_service;
1265 *p++ = 1 + cp_len * LEN_UUID_32;
1266 *p++ = BTM_BLE_AD_TYPE_32SRV_CMPL;
1267 }
1268 for (i = 0; i < cp_len; i ++)
1269 {
1270 UINT32_TO_STREAM(p, *(p_data->p_service_32b->p_uuid + i));
1271 }
1272
1273 len -= (cp_len * LEN_UUID_32 + MIN_ADV_LENGTH);
1274 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_32;
1275 }
1276 /* 128 bits services */
1277 if (len >= (MAX_UUID_SIZE + 2) && data_mask & BTM_BLE_AD_BIT_SERVICE_128 &&
1278 p_data && p_data->p_services_128b)
1279 {
1280 *p ++ = 1 + MAX_UUID_SIZE;
1281 if (!p_data->p_services_128b->list_cmpl)
1282 *p++ = BTM_BLE_AD_TYPE_128SRV_PART;
1283 else
1284 *p++ = BTM_BLE_AD_TYPE_128SRV_CMPL;
1285
1286 ARRAY_TO_STREAM(p, p_data->p_services_128b->uuid128, MAX_UUID_SIZE);
1287
1288 len -= (MAX_UUID_SIZE + MIN_ADV_LENGTH);
1289 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_128;
1290 }
1291 /* 32 bits Service Solicitation UUIDs */
1292 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_32SOL &&
1293 p_data && p_data->p_sol_service_32b &&
1294 p_data->p_sol_service_32b->num_service != 0 &&
1295 p_data->p_sol_service_32b->p_uuid)
1296 {
1297 if ((p_data->p_sol_service_32b->num_service * LEN_UUID_32) > (len - MIN_ADV_LENGTH))
1298 {
1299 cp_len = (len - MIN_ADV_LENGTH)/LEN_UUID_32;
1300 *p ++ = 1 + cp_len * LEN_UUID_32;
1301 }
1302 else
1303 {
1304 cp_len = p_data->p_sol_service_32b->num_service;
1305 *p++ = 1 + cp_len * LEN_UUID_32;
1306 }
1307
1308 *p++ = BTM_BLE_AD_TYPE_32SOL_SRV_UUID;
1309 for (i = 0; i < cp_len; i ++)
1310 {
1311 UINT32_TO_STREAM(p, *(p_data->p_sol_service_32b->p_uuid + i));
1312 }
1313
1314 len -= (cp_len * LEN_UUID_32 + MIN_ADV_LENGTH);
1315 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_32SOL;
1316 }
1317 /* 128 bits Solicitation services UUID */
1318 if (len >= (MAX_UUID_SIZE + MIN_ADV_LENGTH) && data_mask & BTM_BLE_AD_BIT_SERVICE_128SOL &&
1319 p_data && p_data->p_sol_service_128b)
1320 {
1321 *p ++ = 1 + MAX_UUID_SIZE;
1322 *p++ = BTM_BLE_AD_TYPE_128SOL_SRV_UUID;
1323 ARRAY_TO_STREAM(p, p_data->p_sol_service_128b->uuid128, MAX_UUID_SIZE);
1324 len -= (MAX_UUID_SIZE + MIN_ADV_LENGTH);
1325 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_128SOL;
1326 }
1327 /* 16bits/32bits/128bits Service Data */
1328 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_DATA &&
1329 p_data && p_data->p_service_data->len != 0 && p_data->p_service_data->p_val)
1330 {
1331 if (len > (p_data->p_service_data->service_uuid.len + MIN_ADV_LENGTH))
1332 {
1333 if (p_data->p_service_data->len > (len - MIN_ADV_LENGTH))
1334 cp_len = len - MIN_ADV_LENGTH- p_data->p_service_data->service_uuid.len;
1335 else
1336 cp_len = p_data->p_service_data->len;
1337
1338 *p++ = cp_len + 1 + p_data->p_service_data->service_uuid.len;
1339 if (p_data->p_service_data->service_uuid.len == LEN_UUID_16)
1340 {
1341 *p++ = BTM_BLE_AD_TYPE_SERVICE_DATA;
1342 UINT16_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid16);
1343 }
1344 else if (p_data->p_service_data->service_uuid.len == LEN_UUID_32)
1345 {
1346 *p++ = BTM_BLE_AD_TYPE_32SERVICE_DATA;
1347 UINT32_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid32);
1348 }
1349 else
1350 {
1351 *p++ = BTM_BLE_AD_TYPE_128SERVICE_DATA;
1352 ARRAY_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid128,
1353 LEN_UUID_128);
1354 }
1355
1356 ARRAY_TO_STREAM(p, p_data->p_service_data->p_val, cp_len);
1357
1358 len -= (cp_len + MIN_ADV_LENGTH + p_data->p_service_data->service_uuid.len);
1359 data_mask &= ~BTM_BLE_AD_BIT_SERVICE_DATA;
1360 }
1361 else
1362 {
1363 BTM_TRACE_WARNING("service data does not fit");
1364 }
1365 }
1366
1367 if (len >= 6 && data_mask & BTM_BLE_AD_BIT_INT_RANGE &&
1368 p_data)
1369 {
1370 *p++ = 5;
1371 *p++ = BTM_BLE_AD_TYPE_INT_RANGE;
1372 UINT16_TO_STREAM(p, p_data->int_range.low);
1373 UINT16_TO_STREAM(p, p_data->int_range.hi);
1374 len -= 6;
1375 data_mask &= ~BTM_BLE_AD_BIT_INT_RANGE;
1376 }
1377 if (data_mask & BTM_BLE_AD_BIT_PROPRIETARY && p_data && p_data->p_proprietary)
1378 {
1379 for (i = 0; i < p_data->p_proprietary->num_elem ; i ++)
1380 {
1381 p_elem = p_data->p_proprietary->p_elem + i;
1382
1383 if (len >= (MIN_ADV_LENGTH + p_elem->len))/* len byte(1) + ATTR type(1) + Uuid len(2)
1384 + value length */
1385 {
1386 *p ++ = p_elem->len + 1; /* Uuid len + value length */
1387 *p ++ = p_elem->adv_type;
1388 ARRAY_TO_STREAM(p, p_elem->p_val, p_elem->len);
1389
1390 len -= (MIN_ADV_LENGTH + p_elem->len);
1391 }
1392 else
1393 {
1394 BTM_TRACE_WARNING("data exceed max adv packet length");
1395 break;
1396 }
1397 }
1398 data_mask &= ~BTM_BLE_AD_BIT_PROPRIETARY;
1399 }
1400 }
1401
1402 *p_data_mask = data_mask;
1403 *p_dst = p;
1404
1405 return p_flag;
1406 }
1407 /*******************************************************************************
1408 **
1409 ** Function btm_ble_select_adv_interval
1410 **
1411 ** Description select adv interval based on device mode
1412 **
1413 ** Returns void
1414 **
1415 *******************************************************************************/
btm_ble_select_adv_interval(tBTM_BLE_INQ_CB * p_cb,UINT8 evt_type,UINT16 * p_adv_int_min,UINT16 * p_adv_int_max)1416 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)
1417 {
1418 if (p_cb->adv_interval_min && p_cb->adv_interval_max)
1419 {
1420 *p_adv_int_min = p_cb->adv_interval_min;
1421 *p_adv_int_max = p_cb->adv_interval_max;
1422 }
1423 else
1424 {
1425 switch (evt_type)
1426 {
1427 case BTM_BLE_CONNECT_EVT:
1428 *p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_FAST_INT_1;
1429 break;
1430
1431 case BTM_BLE_NON_CONNECT_EVT:
1432 case BTM_BLE_DISCOVER_EVT:
1433 *p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_FAST_INT_2;
1434 break;
1435 /* connectable directed event */
1436 case BTM_BLE_CONNECT_DIR_EVT:
1437 *p_adv_int_min = BTM_BLE_GAP_ADV_DIR_MIN_INT;
1438 *p_adv_int_max = BTM_BLE_GAP_ADV_DIR_MAX_INT;
1439 break;
1440
1441 default:
1442 *p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_SLOW_INT;
1443 break;
1444 }
1445 }
1446 return;
1447 }
1448 /*******************************************************************************
1449 **
1450 ** Function btm_ble_set_adv_flag
1451 **
1452 ** Description Set adv flag in adv data.
1453 **
1454 ** Returns void
1455 **
1456 *******************************************************************************/
btm_ble_set_adv_flag(UINT16 connect_mode,UINT16 disc_mode)1457 void btm_ble_set_adv_flag(UINT16 connect_mode, UINT16 disc_mode)
1458 {
1459 UINT8 flag = 0, old_flag = 0;
1460 tBTM_BLE_LOCAL_ADV_DATA *p_adv_data = &btm_cb.ble_ctr_cb.inq_var.adv_data;
1461
1462 if (p_adv_data->p_flags != NULL)
1463 flag = old_flag = *(p_adv_data->p_flags);
1464
1465 /* BR/EDR non-discoverable , non-connectable */
1466 if ((disc_mode & BTM_DISCOVERABLE_MASK) == 0 &&
1467 (connect_mode & BTM_CONNECTABLE_MASK) == 0)
1468 flag |= BTM_BLE_BREDR_NOT_SPT;
1469 else
1470 flag &= ~BTM_BLE_BREDR_NOT_SPT;
1471
1472 /* if local controller support, mark both controller and host support in flag */
1473 if (HCI_SIMUL_LE_BREDR_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0]))
1474 flag |= (BTM_BLE_DMT_CONTROLLER_SPT|BTM_BLE_DMT_HOST_SPT);
1475 else
1476 flag &= ~(BTM_BLE_DMT_CONTROLLER_SPT|BTM_BLE_DMT_HOST_SPT);
1477
1478 BTM_TRACE_DEBUG("disc_mode %04x", disc_mode);
1479 /* update discoverable flag */
1480 if (disc_mode & BTM_BLE_LIMITED_DISCOVERABLE)
1481 {
1482 flag &= ~BTM_BLE_GEN_DISC_FLAG;
1483 flag |= BTM_BLE_LIMIT_DISC_FLAG ;
1484 }
1485 else if (disc_mode & BTM_BLE_GENERAL_DISCOVERABLE)
1486 {
1487 flag |= BTM_BLE_GEN_DISC_FLAG;
1488 flag &= ~BTM_BLE_LIMIT_DISC_FLAG;
1489 }
1490 else /* remove all discoverable flags */
1491 {
1492 flag &= ~(BTM_BLE_LIMIT_DISC_FLAG|BTM_BLE_GEN_DISC_FLAG);
1493 }
1494
1495 if (flag != old_flag)
1496 {
1497 btm_ble_update_adv_flag(flag);
1498 }
1499 }
1500 /*******************************************************************************
1501 **
1502 ** Function btm_ble_set_discoverability
1503 **
1504 ** Description This function is called to set BLE discoverable mode.
1505 **
1506 ** Parameters: combined_mode: discoverability mode.
1507 **
1508 ** Returns BTM_SUCCESS is status set successfully; otherwise failure.
1509 **
1510 *******************************************************************************/
btm_ble_set_discoverability(UINT16 combined_mode)1511 tBTM_STATUS btm_ble_set_discoverability(UINT16 combined_mode)
1512 {
1513 tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
1514 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
1515 UINT16 mode = (combined_mode & BTM_BLE_DISCOVERABLE_MASK);
1516 UINT8 new_mode = BTM_BLE_ADV_ENABLE;
1517 UINT8 evt_type = (p_cb->connectable_mode == BTM_BLE_NON_CONNECTABLE) ? \
1518 ((p_cb->scan_rsp) ? BTM_BLE_DISCOVER_EVT : BTM_BLE_NON_CONNECT_EVT )\
1519 : BTM_BLE_CONNECT_EVT;
1520 tBTM_STATUS status = BTM_SUCCESS;
1521 BD_ADDR p_addr_ptr= {0};
1522 tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC,
1523 own_addr_type = p_addr_cb->own_addr_type;
1524 UINT16 adv_int_min, adv_int_max;
1525
1526 BTM_TRACE_EVENT ("btm_ble_set_discoverability mode=0x%0x combined_mode=0x%x", mode, combined_mode);
1527
1528 /*** Check mode parameter ***/
1529 if (mode > BTM_BLE_MAX_DISCOVERABLE)
1530 return(BTM_ILLEGAL_VALUE);
1531
1532 btm_ble_set_adv_flag (btm_cb.btm_inq_vars.connectable_mode, combined_mode);
1533
1534 evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type);
1535
1536 if (p_cb->connectable_mode == BTM_BLE_NON_CONNECTABLE && mode == BTM_BLE_NON_DISCOVERABLE)
1537 new_mode = BTM_BLE_ADV_DISABLE;
1538
1539 btm_ble_select_adv_interval(p_cb, evt_type, &adv_int_min, &adv_int_max);
1540
1541 btu_stop_timer(&p_cb->fast_adv_timer);
1542
1543 /* update adv params if start advertising */
1544 BTM_TRACE_EVENT ("evt_type=0x%x p-cb->evt_type=0x%x ", evt_type, p_cb->evt_type);
1545
1546 if (new_mode == BTM_BLE_ADV_ENABLE &&
1547 (evt_type != p_cb->evt_type ||p_cb->adv_addr_type != own_addr_type || !p_cb->fast_adv_on))
1548 {
1549 btm_ble_stop_adv();
1550
1551 /* update adv params */
1552 if (!btsnd_hcic_ble_write_adv_params (adv_int_min,
1553 adv_int_max,
1554 evt_type,
1555 own_addr_type,
1556 init_addr_type,
1557 p_addr_ptr,
1558 p_cb->adv_chnl_map,
1559 p_cb->afp))
1560
1561 status = BTM_NO_RESOURCES;
1562 else
1563 {
1564 p_cb->evt_type = evt_type;
1565 p_cb->adv_addr_type = own_addr_type;
1566 }
1567
1568 }
1569
1570 if (status == BTM_SUCCESS && p_cb->adv_mode != new_mode)
1571 {
1572 if (new_mode == BTM_BLE_ADV_ENABLE)
1573 status = btm_ble_start_adv();
1574 else
1575 status = btm_ble_stop_adv();
1576 }
1577 if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
1578 {
1579 p_cb->fast_adv_on = TRUE;
1580 /* start initial GAP mode adv timer */
1581 btu_start_timer (&p_cb->fast_adv_timer, BTU_TTYPE_BLE_GAP_FAST_ADV,
1582 BTM_BLE_GAP_FAST_ADV_TOUT);
1583 }
1584
1585 /* set up stop advertising timer */
1586 if (status == BTM_SUCCESS && mode == BTM_BLE_LIMITED_DISCOVERABLE)
1587 {
1588 BTM_TRACE_EVENT ("start timer for limited disc mode duration=%d (180 secs)", BTM_BLE_GAP_LIM_TOUT);
1589 /* start Tgap(lim_timeout) */
1590 btu_start_timer (&p_cb->inq_timer_ent, BTU_TTYPE_BLE_GAP_LIM_DISC,
1591 BTM_BLE_GAP_LIM_TOUT);
1592 }
1593 return status;
1594 }
1595
1596 /*******************************************************************************
1597 **
1598 ** Function btm_ble_set_connectability
1599 **
1600 ** Description This function is called to set BLE connectability mode.
1601 **
1602 ** Parameters: combined_mode: connectability mode.
1603 **
1604 ** Returns BTM_SUCCESS is status set successfully; otherwise failure.
1605 **
1606 *******************************************************************************/
btm_ble_set_connectability(UINT16 combined_mode)1607 tBTM_STATUS btm_ble_set_connectability(UINT16 combined_mode)
1608 {
1609 tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb;
1610 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
1611 UINT16 mode = (combined_mode & BTM_BLE_CONNECTABLE_MASK);
1612 UINT8 new_mode = BTM_BLE_ADV_ENABLE;
1613 UINT8 evt_type = (p_cb->scan_rsp) ? BTM_BLE_DISCOVER_EVT: BTM_BLE_NON_CONNECT_EVT;
1614 tBTM_STATUS status = BTM_SUCCESS;
1615 BD_ADDR p_addr_ptr = {0};
1616 tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC,
1617 own_addr_type = p_addr_cb->own_addr_type;
1618 UINT16 adv_int_min, adv_int_max;
1619
1620 BTM_TRACE_EVENT ("btm_ble_set_connectability mode=0x%0x combined_mode=0x%x", mode, combined_mode);
1621
1622 /*** Check mode parameter ***/
1623 if (mode > BTM_BLE_MAX_CONNECTABLE)
1624 return(BTM_ILLEGAL_VALUE);
1625
1626 p_cb->connectable_mode = mode;
1627
1628 btm_ble_set_adv_flag (combined_mode, btm_cb.btm_inq_vars.discoverable_mode);
1629
1630 evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type);
1631
1632 if (mode == BTM_BLE_NON_CONNECTABLE && p_cb->discoverable_mode == BTM_BLE_NON_DISCOVERABLE)
1633 new_mode = BTM_BLE_ADV_DISABLE;
1634
1635 btm_ble_select_adv_interval(p_cb, evt_type, &adv_int_min, &adv_int_max);
1636
1637 btu_stop_timer(&p_cb->fast_adv_timer);
1638 /* update adv params if needed */
1639 if ((p_cb->evt_type != evt_type || p_cb->adv_addr_type != p_addr_cb->own_addr_type || !p_cb->fast_adv_on))
1640 {
1641 btm_ble_stop_adv();
1642
1643 if (!btsnd_hcic_ble_write_adv_params (adv_int_min,
1644 adv_int_max,
1645 evt_type,
1646 own_addr_type,
1647 init_addr_type,
1648 p_addr_ptr,
1649 p_cb->adv_chnl_map,
1650 p_cb->afp))
1651 status = BTM_NO_RESOURCES;
1652 else
1653 {
1654 p_cb->evt_type = evt_type;
1655 p_cb->adv_addr_type = own_addr_type;
1656 }
1657 }
1658
1659 /* update advertising mode */
1660 if (status == BTM_SUCCESS && new_mode != p_cb->adv_mode)
1661 {
1662 if (new_mode == BTM_BLE_ADV_ENABLE)
1663 status = btm_ble_start_adv();
1664 else
1665 status = btm_ble_stop_adv();
1666 }
1667 if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
1668 {
1669 p_cb->fast_adv_on = TRUE;
1670 /* start initial GAP mode adv timer */
1671 btu_start_timer (&p_cb->fast_adv_timer, BTU_TTYPE_BLE_GAP_FAST_ADV,
1672 BTM_BLE_GAP_FAST_ADV_TOUT);
1673 }
1674 return status;
1675 }
1676
1677
1678 /*******************************************************************************
1679 **
1680 ** Function btm_ble_start_inquiry
1681 **
1682 ** Description This function is called to start BLE inquiry procedure.
1683 ** If the duration is zero, the periodic inquiry mode is cancelled.
1684 **
1685 ** Parameters: mode - GENERAL or LIMITED inquiry
1686 ** p_inq_params - pointer to the BLE inquiry parameter.
1687 ** p_results_cb - callback returning pointer to results (tBTM_INQ_RESULTS)
1688 ** p_cmpl_cb - callback indicating the end of an inquiry
1689 **
1690 **
1691 **
1692 ** Returns BTM_CMD_STARTED if successfully started
1693 ** BTM_NO_RESOURCES if could not allocate a message buffer
1694 ** BTM_BUSY - if an inquiry is already active
1695 **
1696 *******************************************************************************/
btm_ble_start_inquiry(UINT8 mode,UINT8 duration)1697 tBTM_STATUS btm_ble_start_inquiry (UINT8 mode, UINT8 duration)
1698 {
1699 tBTM_STATUS status = BTM_CMD_STARTED;
1700 tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb;
1701 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1702
1703 BTM_TRACE_DEBUG("btm_ble_start_inquiry: mode = %02x inq_active = 0x%02x", mode, btm_cb.btm_inq_vars.inq_active);
1704
1705 /* if selective connection is active, or inquiry is already active, reject it */
1706 if (BTM_BLE_IS_INQ_ACTIVE(p_ble_cb->scan_activity) ||
1707 BTM_BLE_IS_SEL_CONN_ACTIVE (p_ble_cb->scan_activity))
1708 {
1709 BTM_TRACE_ERROR("LE Inquiry is active, can not start inquiry");
1710 return(BTM_BUSY);
1711 }
1712
1713 if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity))
1714 {
1715 btm_update_scanner_filter_policy(SP_ADV_ALL);
1716
1717 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
1718 /* enable IRK list */
1719 btm_ble_vendor_irk_list_known_dev (TRUE);
1720 #endif
1721 status = btm_ble_start_scan(BTM_BLE_DUPLICATE_DISABLE);
1722 }
1723
1724 if (status == BTM_CMD_STARTED)
1725 {
1726 p_inq->inq_active |= mode;
1727 p_ble_cb->scan_activity |= mode;
1728
1729 BTM_TRACE_DEBUG("btm_ble_start_inquiry inq_active = 0x%02x", p_inq->inq_active);
1730
1731 if (duration != 0)
1732 {
1733 /* start inquiry timer */
1734 btu_start_timer (&p_inq->inq_timer_ent, BTU_TTYPE_BLE_INQUIRY, duration);
1735 }
1736 }
1737
1738 return status;
1739
1740 }
1741
1742 /*******************************************************************************
1743 **
1744 ** Function btm_ble_read_remote_name_cmpl
1745 **
1746 ** Description This function is called when BLE remote name is received.
1747 **
1748 ** Returns void
1749 **
1750 *******************************************************************************/
btm_ble_read_remote_name_cmpl(BOOLEAN status,BD_ADDR bda,UINT16 length,char * p_name)1751 void btm_ble_read_remote_name_cmpl(BOOLEAN status, BD_ADDR bda, UINT16 length, char *p_name)
1752 {
1753 UINT8 hci_status = HCI_SUCCESS;
1754 BD_NAME bd_name;
1755
1756 memset(bd_name, 0, (BD_NAME_LEN + 1));
1757 if (length > BD_NAME_LEN)
1758 {
1759 length = BD_NAME_LEN;
1760 }
1761 memcpy((UINT8*)bd_name, p_name, length);
1762
1763 if ((!status) || (length==0))
1764 {
1765 hci_status = HCI_ERR_HOST_TIMEOUT;
1766 }
1767
1768 btm_process_remote_name(bda, bd_name, length +1, hci_status);
1769 btm_sec_rmt_name_request_complete (bda, (UINT8 *)p_name, hci_status);
1770 }
1771
1772 /*******************************************************************************
1773 **
1774 ** Function btm_ble_read_remote_name
1775 **
1776 ** Description This function read remote LE device name using GATT read
1777 ** procedure.
1778 **
1779 ** Parameters: None.
1780 **
1781 ** Returns void
1782 **
1783 *******************************************************************************/
btm_ble_read_remote_name(BD_ADDR remote_bda,tBTM_INQ_INFO * p_cur,tBTM_CMPL_CB * p_cb)1784 tBTM_STATUS btm_ble_read_remote_name(BD_ADDR remote_bda, tBTM_INQ_INFO *p_cur, tBTM_CMPL_CB *p_cb)
1785 {
1786 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1787
1788 if (!HCI_LE_HOST_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_1]))
1789 return BTM_ERR_PROCESSING;
1790
1791 if (p_cur &&
1792 p_cur->results.ble_evt_type != BTM_BLE_EVT_CONN_ADV &&
1793 p_cur->results.ble_evt_type != BTM_BLE_EVT_CONN_DIR_ADV)
1794 {
1795 BTM_TRACE_DEBUG("name request to non-connectable device failed.");
1796 return BTM_ERR_PROCESSING;
1797 }
1798
1799 /* read remote device name using GATT procedure */
1800 if (p_inq->remname_active)
1801 return BTM_BUSY;
1802
1803 if (!GAP_BleReadPeerDevName(remote_bda, btm_ble_read_remote_name_cmpl))
1804 return BTM_BUSY;
1805
1806 p_inq->p_remname_cmpl_cb = p_cb;
1807 p_inq->remname_active = TRUE;
1808
1809 memcpy(p_inq->remname_bda, remote_bda, BD_ADDR_LEN);
1810
1811 btu_start_timer (&p_inq->rmt_name_timer_ent,
1812 BTU_TTYPE_BTM_RMT_NAME,
1813 BTM_EXT_BLE_RMT_NAME_TIMEOUT);
1814
1815 return BTM_CMD_STARTED;
1816 }
1817
1818 /*******************************************************************************
1819 **
1820 ** Function btm_ble_cancel_remote_name
1821 **
1822 ** Description This function cancel read remote LE device name.
1823 **
1824 ** Parameters: None.
1825 **
1826 ** Returns void
1827 **
1828 *******************************************************************************/
btm_ble_cancel_remote_name(BD_ADDR remote_bda)1829 BOOLEAN btm_ble_cancel_remote_name(BD_ADDR remote_bda)
1830 {
1831 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
1832 BOOLEAN status;
1833
1834 status = GAP_BleCancelReadPeerDevName(remote_bda);
1835
1836 p_inq->remname_active = FALSE;
1837 memset(p_inq->remname_bda, 0, BD_ADDR_LEN);
1838 btu_stop_timer(&p_inq->rmt_name_timer_ent);
1839
1840 return status;
1841 }
1842
1843 /*******************************************************************************
1844 **
1845 ** Function btm_ble_update_adv_flag
1846 **
1847 ** Description This function update the limited discoverable flag in the adv
1848 ** data.
1849 **
1850 ** Parameters: None.
1851 **
1852 ** Returns void
1853 **
1854 *******************************************************************************/
btm_ble_update_adv_flag(UINT8 flag)1855 static void btm_ble_update_adv_flag(UINT8 flag)
1856 {
1857 tBTM_BLE_LOCAL_ADV_DATA *p_adv_data = &btm_cb.ble_ctr_cb.inq_var.adv_data;
1858 UINT8 *p;
1859
1860 BTM_TRACE_DEBUG ("btm_ble_update_adv_flag new=0x%x", flag);
1861
1862 if (p_adv_data->p_flags != NULL)
1863 {
1864 BTM_TRACE_DEBUG ("btm_ble_update_adv_flag old=0x%x", *p_adv_data->p_flags);
1865 *p_adv_data->p_flags = flag;
1866 }
1867 else /* no FLAGS in ADV data*/
1868 {
1869 p = (p_adv_data->p_pad == NULL) ? p_adv_data->ad_data : p_adv_data->p_pad;
1870 /* need 3 bytes space to stuff in the flags, if not */
1871 /* erase all written data, just for flags */
1872 if ((BTM_BLE_AD_DATA_LEN - (p - p_adv_data->ad_data)) < 3)
1873 {
1874 p = p_adv_data->p_pad = p_adv_data->ad_data;
1875 memset(p_adv_data->ad_data, 0, BTM_BLE_AD_DATA_LEN);
1876 }
1877
1878 *p++ = 2;
1879 *p++ = BTM_BLE_AD_TYPE_FLAG;
1880 p_adv_data->p_flags = p;
1881 *p++ = flag;
1882 p_adv_data->p_pad = p;
1883 }
1884
1885 if (btsnd_hcic_ble_set_adv_data((UINT8)(p_adv_data->p_pad - p_adv_data->ad_data),
1886 p_adv_data->ad_data))
1887 p_adv_data->data_mask |= BTM_BLE_AD_BIT_FLAGS;
1888
1889 }
1890
1891 #if 0
1892 /*******************************************************************************
1893 **
1894 ** Function btm_ble_parse_adv_data
1895 **
1896 ** Description This function parse the adv data into a structure.
1897 **
1898 ** Returns pointer to entry, or NULL if not found
1899 **
1900 *******************************************************************************/
1901 static void btm_ble_parse_adv_data(tBTM_INQ_INFO *p_info, UINT8 *p_data,
1902 UINT8 len, tBTM_BLE_INQ_DATA *p_adv_data, UINT8 *p_buf)
1903 {
1904 UINT8 *p_cur = p_data;
1905 UINT8 ad_len, ad_type, ad_flag;
1906
1907 BTM_TRACE_EVENT (" btm_ble_parse_adv_data");
1908
1909 while (len > 0)
1910 {
1911 BTM_TRACE_DEBUG("btm_ble_parse_adv_data: len = %d", len);
1912 if ((ad_len = *p_cur ++) == 0)
1913 break;
1914
1915 ad_type = *p_cur ++;
1916
1917 BTM_TRACE_DEBUG(" ad_type = %02x ad_len = %d", ad_type, ad_len);
1918
1919 switch (ad_type)
1920 {
1921 case BTM_BLE_AD_TYPE_NAME_SHORT:
1922
1923 case BTM_BLE_AD_TYPE_NAME_CMPL:
1924 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_DEV_NAME;
1925 if (p_info)
1926 {
1927 p_info->remote_name_type =(ad_type == BTM_BLE_AD_TYPE_NAME_SHORT) ?
1928 BTM_BLE_NAME_SHORT: BTM_BLE_NAME_CMPL;
1929 memcpy(p_info->remote_name, p_cur, ad_len -1);
1930 p_info->remote_name[ad_len] = 0;
1931 p_adv_data->p_remote_name = p_info->remote_name;
1932 p_info->remote_name_len = p_adv_data->remote_name_len = ad_len - 1;
1933 BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_NAME name = %s",p_adv_data->p_remote_name);
1934 }
1935 p_cur += (ad_len -1);
1936
1937 break;
1938
1939 case BTM_BLE_AD_TYPE_FLAG:
1940 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_FLAGS;
1941 ad_flag = *p_cur ++;
1942 p_adv_data->flag = (UINT8)(ad_flag & BTM_BLE_ADV_FLAG_MASK) ;
1943 BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_FLAG flag = %s | %s | %s",
1944 (p_adv_data->flag & BTM_BLE_LIMIT_DISC_FLAG)? "LE_LIMIT_DISC" : "",
1945 (p_adv_data->flag & BTM_BLE_GEN_DISC_FLAG)? "LE_GENERAL_DISC" : "",
1946 (p_adv_data->flag & BTM_BLE_BREDR_NOT_SPT)? "LE Only device" : "");
1947 break;
1948
1949 case BTM_BLE_AD_TYPE_TX_PWR:
1950 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_TX_PWR;
1951 p_adv_data->tx_power_level = (INT8)*p_cur ++;
1952 BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_TX_PWR tx_level = %d", p_adv_data->tx_power_level);
1953 break;
1954
1955 case BTM_BLE_AD_TYPE_MANU:
1956
1957 case BTM_BLE_AD_TYPE_16SRV_PART:
1958 case BTM_BLE_AD_TYPE_16SRV_CMPL:
1959 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE;
1960 /* need allocate memory to store UUID list */
1961 p_adv_data->service.num_service = (ad_len - 1)/2;
1962 BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service);
1963 p_cur += (ad_len - 1);
1964 break;
1965
1966 case BTM_BLE_AD_TYPE_SOL_SRV_UUID:
1967 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE_SOL;
1968 /* need allocate memory to store UUID list */
1969 p_adv_data->service.num_service = (ad_len - 1)/2;
1970 BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service);
1971 p_cur += (ad_len - 1);
1972 break;
1973
1974 case BTM_BLE_AD_TYPE_128SOL_SRV_UUID:
1975 p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE_128SOL;
1976 /* need allocate memory to store UUID list */
1977 p_adv_data->service.num_service = (ad_len - 1)/16;
1978 BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service);
1979 p_cur += (ad_len - 1);
1980 break;
1981
1982 case BTM_BLE_AD_TYPE_APPEARANCE:
1983 case BTM_BLE_AD_TYPE_PUBLIC_TARGET:
1984 case BTM_BLE_AD_TYPE_RANDOM_TARGET:
1985 default:
1986 break;
1987 }
1988 len -= (ad_len + 1);
1989 }
1990 }
1991 #endif
1992
1993 /*******************************************************************************
1994 **
1995 ** Function btm_ble_cache_adv_data
1996 **
1997 ** Description Update advertising cache data.
1998 **
1999 ** Returns void
2000 **
2001 *******************************************************************************/
btm_ble_cache_adv_data(tBTM_INQ_RESULTS * p_cur,UINT8 data_len,UINT8 * p,UINT8 evt_type)2002 void btm_ble_cache_adv_data(tBTM_INQ_RESULTS *p_cur, UINT8 data_len, UINT8 *p, UINT8 evt_type)
2003 {
2004 tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
2005 UINT8 *p_cache;
2006 UINT8 length;
2007 UNUSED(p_cur);
2008
2009 /* cache adv report/scan response data */
2010 if (evt_type != BTM_BLE_SCAN_RSP_EVT)
2011 {
2012 p_le_inq_cb->adv_len = 0;
2013 memset(p_le_inq_cb->adv_data_cache, 0, BTM_BLE_CACHE_ADV_DATA_MAX);
2014 }
2015
2016 if (data_len > 0)
2017 {
2018 p_cache = &p_le_inq_cb->adv_data_cache[p_le_inq_cb->adv_len];
2019 STREAM_TO_UINT8(length, p);
2020 while ( length && ((p_le_inq_cb->adv_len + length + 1) <= BTM_BLE_CACHE_ADV_DATA_MAX))
2021 {
2022 /* copy from the length byte & data into cache */
2023 memcpy(p_cache, p-1, length+1);
2024 /* advance the cache pointer past data */
2025 p_cache += length+1;
2026 /* increment cache length */
2027 p_le_inq_cb->adv_len += length+1;
2028 /* skip the length of data */
2029 p += length;
2030 STREAM_TO_UINT8(length, p);
2031 }
2032 }
2033
2034 /* parse service UUID from adv packet and save it in inq db eir_uuid */
2035 /* TODO */
2036 }
2037
2038 /*******************************************************************************
2039 **
2040 ** Function btm_ble_is_discoverable
2041 **
2042 ** Description check ADV flag to make sure device is discoverable and match
2043 ** the search condition
2044 **
2045 ** Parameters
2046 **
2047 ** Returns void
2048 **
2049 *******************************************************************************/
btm_ble_is_discoverable(BD_ADDR bda,UINT8 evt_type,UINT8 * p)2050 UINT8 btm_ble_is_discoverable(BD_ADDR bda, UINT8 evt_type, UINT8 *p)
2051 {
2052 UINT8 *p_flag, flag = 0, rt = 0;
2053 UINT8 data_len;
2054 tBTM_INQ_PARMS *p_cond = &btm_cb.btm_inq_vars.inqparms;
2055 tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
2056
2057 UNUSED(p);
2058
2059 /* for observer, always "discoverable */
2060 if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
2061 rt |= BTM_BLE_OBS_RESULT;
2062
2063 if (BTM_BLE_IS_SEL_CONN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity) &&
2064 (evt_type == BTM_BLE_CONNECT_EVT || evt_type == BTM_BLE_CONNECT_DIR_EVT))
2065 rt |= BTM_BLE_SEL_CONN_RESULT;
2066
2067 /* does not match filter condition */
2068 if (p_cond->filter_cond_type == BTM_FILTER_COND_BD_ADDR &&
2069 memcmp(bda, p_cond->filter_cond.bdaddr_cond, BD_ADDR_LEN) != 0)
2070 {
2071 BTM_TRACE_DEBUG("BD ADDR does not meet filter condition");
2072 return rt;
2073 }
2074
2075 if (p_le_inq_cb->adv_len != 0)
2076 {
2077 if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache,
2078 BTM_BLE_AD_TYPE_FLAG, &data_len)) != NULL)
2079 {
2080 flag = * p_flag;
2081
2082 if ((btm_cb.btm_inq_vars.inq_active & BTM_BLE_GENERAL_INQUIRY) &&
2083 (flag & (BTM_BLE_LIMIT_DISC_FLAG|BTM_BLE_GEN_DISC_FLAG)) != 0)
2084 {
2085 BTM_TRACE_DEBUG("Find Generable Discoverable device");
2086 rt |= BTM_BLE_INQ_RESULT;
2087 }
2088
2089 else if (btm_cb.btm_inq_vars.inq_active & BTM_BLE_LIMITED_INQUIRY &&
2090 (flag & BTM_BLE_LIMIT_DISC_FLAG) != 0)
2091 {
2092 BTM_TRACE_DEBUG("Find limited discoverable device");
2093 rt |= BTM_BLE_INQ_RESULT;
2094 }
2095 }
2096 }
2097 return rt;
2098 }
2099
btm_ble_appearance_to_cod(UINT16 appearance,UINT8 * dev_class)2100 static void btm_ble_appearance_to_cod(UINT16 appearance, UINT8 *dev_class)
2101 {
2102 dev_class[0] = 0;
2103
2104 switch (appearance)
2105 {
2106 case BTM_BLE_APPEARANCE_GENERIC_PHONE:
2107 dev_class[1] = BTM_COD_MAJOR_PHONE;
2108 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2109 break;
2110 case BTM_BLE_APPEARANCE_GENERIC_COMPUTER:
2111 dev_class[1] = BTM_COD_MAJOR_COMPUTER;
2112 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2113 break;
2114 case BTM_BLE_APPEARANCE_GENERIC_REMOTE:
2115 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2116 dev_class[2] = BTM_COD_MINOR_REMOTE_CONTROL;
2117 break;
2118 case BTM_BLE_APPEARANCE_GENERIC_THERMOMETER:
2119 case BTM_BLE_APPEARANCE_THERMOMETER_EAR:
2120 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2121 dev_class[2] = BTM_COD_MINOR_THERMOMETER;
2122 break;
2123 case BTM_BLE_APPEARANCE_GENERIC_HEART_RATE:
2124 case BTM_BLE_APPEARANCE_HEART_RATE_BELT:
2125 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2126 dev_class[2] = BTM_COD_MINOR_HEART_PULSE_MONITOR;
2127 break;
2128 case BTM_BLE_APPEARANCE_GENERIC_BLOOD_PRESSURE:
2129 case BTM_BLE_APPEARANCE_BLOOD_PRESSURE_ARM:
2130 case BTM_BLE_APPEARANCE_BLOOD_PRESSURE_WRIST:
2131 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2132 dev_class[2] = BTM_COD_MINOR_BLOOD_MONITOR;
2133 break;
2134 case BTM_BLE_APPEARANCE_GENERIC_PULSE_OXIMETER:
2135 case BTM_BLE_APPEARANCE_PULSE_OXIMETER_FINGERTIP:
2136 case BTM_BLE_APPEARANCE_PULSE_OXIMETER_WRIST:
2137 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2138 dev_class[2] = BTM_COD_MINOR_PULSE_OXIMETER;
2139 break;
2140 case BTM_BLE_APPEARANCE_GENERIC_GLUCOSE:
2141 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2142 dev_class[2] = BTM_COD_MINOR_GLUCOSE_METER;
2143 break;
2144 case BTM_BLE_APPEARANCE_GENERIC_WEIGHT:
2145 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2146 dev_class[2] = BTM_COD_MINOR_WEIGHING_SCALE;
2147 break;
2148 case BTM_BLE_APPEARANCE_GENERIC_WALKING:
2149 case BTM_BLE_APPEARANCE_WALKING_IN_SHOE:
2150 case BTM_BLE_APPEARANCE_WALKING_ON_SHOE:
2151 case BTM_BLE_APPEARANCE_WALKING_ON_HIP:
2152 dev_class[1] = BTM_COD_MAJOR_HEALTH;
2153 dev_class[2] = BTM_COD_MINOR_STEP_COUNTER;
2154 break;
2155 case BTM_BLE_APPEARANCE_GENERIC_WATCH:
2156 case BTM_BLE_APPEARANCE_SPORTS_WATCH:
2157 dev_class[1] = BTM_COD_MAJOR_WEARABLE;
2158 dev_class[2] = BTM_COD_MINOR_WRIST_WATCH;
2159 break;
2160 case BTM_BLE_APPEARANCE_GENERIC_EYEGLASSES:
2161 dev_class[1] = BTM_COD_MAJOR_WEARABLE;
2162 dev_class[2] = BTM_COD_MINOR_GLASSES;
2163 break;
2164 case BTM_BLE_APPEARANCE_GENERIC_DISPLAY:
2165 dev_class[1] = BTM_COD_MAJOR_IMAGING;
2166 dev_class[2] = BTM_COD_MINOR_DISPLAY;
2167 break;
2168 case BTM_BLE_APPEARANCE_GENERIC_MEDIA_PLAYER:
2169 dev_class[1] = BTM_COD_MAJOR_AUDIO;
2170 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2171 break;
2172 case BTM_BLE_APPEARANCE_GENERIC_BARCODE_SCANNER:
2173 case BTM_BLE_APPEARANCE_HID_BARCODE_SCANNER:
2174 case BTM_BLE_APPEARANCE_GENERIC_HID:
2175 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2176 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2177 break;
2178 case BTM_BLE_APPEARANCE_HID_KEYBOARD:
2179 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2180 dev_class[2] = BTM_COD_MINOR_KEYBOARD;
2181 break;
2182 case BTM_BLE_APPEARANCE_HID_MOUSE:
2183 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2184 dev_class[2] = BTM_COD_MINOR_POINTING;
2185 break;
2186 case BTM_BLE_APPEARANCE_HID_JOYSTICK:
2187 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2188 dev_class[2] = BTM_COD_MINOR_JOYSTICK;
2189 break;
2190 case BTM_BLE_APPEARANCE_HID_GAMEPAD:
2191 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2192 dev_class[2] = BTM_COD_MINOR_GAMEPAD;
2193 break;
2194 case BTM_BLE_APPEARANCE_HID_DIGITIZER_TABLET:
2195 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2196 dev_class[2] = BTM_COD_MINOR_DIGITIZING_TABLET;
2197 break;
2198 case BTM_BLE_APPEARANCE_HID_CARD_READER:
2199 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2200 dev_class[2] = BTM_COD_MINOR_CARD_READER;
2201 break;
2202 case BTM_BLE_APPEARANCE_HID_DIGITAL_PEN:
2203 dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2204 dev_class[2] = BTM_COD_MINOR_DIGITAL_PAN;
2205 break;
2206 case BTM_BLE_APPEARANCE_UKNOWN:
2207 case BTM_BLE_APPEARANCE_GENERIC_CLOCK:
2208 case BTM_BLE_APPEARANCE_GENERIC_TAG:
2209 case BTM_BLE_APPEARANCE_GENERIC_KEYRING:
2210 case BTM_BLE_APPEARANCE_GENERIC_CYCLING:
2211 case BTM_BLE_APPEARANCE_CYCLING_COMPUTER:
2212 case BTM_BLE_APPEARANCE_CYCLING_SPEED:
2213 case BTM_BLE_APPEARANCE_CYCLING_CADENCE:
2214 case BTM_BLE_APPEARANCE_CYCLING_POWER:
2215 case BTM_BLE_APPEARANCE_CYCLING_SPEED_CADENCE:
2216 case BTM_BLE_APPEARANCE_GENERIC_OUTDOOR_SPORTS:
2217 case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION:
2218 case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_AND_NAV:
2219 case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_POD:
2220 case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_POD_AND_NAV:
2221 default:
2222 dev_class[1] = BTM_COD_MAJOR_UNCLASSIFIED;
2223 dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED;
2224 };
2225 }
2226
2227 /*******************************************************************************
2228 **
2229 ** Function btm_ble_update_inq_result
2230 **
2231 ** Description Update adv packet information into inquiry result.
2232 **
2233 ** Parameters
2234 **
2235 ** Returns void
2236 **
2237 *******************************************************************************/
btm_ble_update_inq_result(tINQ_DB_ENT * p_i,UINT8 addr_type,UINT8 evt_type,UINT8 * p)2238 BOOLEAN btm_ble_update_inq_result(tINQ_DB_ENT *p_i, UINT8 addr_type, UINT8 evt_type, UINT8 *p)
2239 {
2240 BOOLEAN to_report = TRUE;
2241 tBTM_INQ_RESULTS *p_cur = &p_i->inq_info.results;
2242 UINT8 len;
2243 UINT8 *p_flag;
2244 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2245 UINT8 data_len, rssi;
2246 tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
2247 UINT8 *p1;
2248 UINT8 *p_uuid16;
2249
2250 STREAM_TO_UINT8 (data_len, p);
2251
2252 if (data_len > BTM_BLE_ADV_DATA_LEN_MAX)
2253 {
2254 BTM_TRACE_WARNING("EIR data too long %d. discard", data_len);
2255 return FALSE;
2256 }
2257 btm_ble_cache_adv_data(p_cur, data_len, p, evt_type);
2258
2259 p1 = (p + data_len);
2260 STREAM_TO_UINT8 (rssi, p1);
2261
2262 /* Save the info */
2263 p_cur->inq_result_type = BTM_INQ_RESULT_BLE;
2264 p_cur->ble_addr_type = addr_type;
2265 p_cur->rssi = rssi;
2266
2267 /* active scan, always wait until get scan_rsp to report the result */
2268 if ((btm_cb.ble_ctr_cb.inq_var.scan_type == BTM_BLE_SCAN_MODE_ACTI &&
2269 (evt_type == BTM_BLE_CONNECT_EVT || evt_type == BTM_BLE_DISCOVER_EVT)))
2270 {
2271 BTM_TRACE_DEBUG("btm_ble_update_inq_result scan_rsp=false, to_report=false,\
2272 scan_type_active=%d", btm_cb.ble_ctr_cb.inq_var.scan_type);
2273 p_i->scan_rsp = FALSE;
2274 to_report = FALSE;
2275 }
2276 else
2277 p_i->scan_rsp = TRUE;
2278
2279 if (p_i->inq_count != p_inq->inq_counter)
2280 p_cur->device_type = BT_DEVICE_TYPE_BLE;
2281 else
2282 p_cur->device_type |= BT_DEVICE_TYPE_BLE;
2283
2284 if (evt_type != BTM_BLE_SCAN_RSP_EVT)
2285 p_cur->ble_evt_type = evt_type;
2286
2287 p_i->inq_count = p_inq->inq_counter; /* Mark entry for current inquiry */
2288
2289 if (p_le_inq_cb->adv_len != 0)
2290 {
2291 if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_FLAG, &len)) != NULL)
2292 p_cur->flag = * p_flag;
2293 }
2294
2295 if (p_le_inq_cb->adv_len != 0)
2296 {
2297 /* Check to see the BLE device has the Appearance UUID in the advertising data. If it does
2298 * then try to convert the appearance value to a class of device value Bluedroid can use.
2299 * Otherwise fall back to trying to infer if it is a HID device based on the service class.
2300 */
2301 p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_APPEARANCE, &len);
2302 if (p_uuid16 && len == 2)
2303 {
2304 btm_ble_appearance_to_cod((UINT16)p_uuid16[0] | (p_uuid16[1] << 8), p_cur->dev_class);
2305 }
2306 else
2307 {
2308 if ((p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache,
2309 BTM_BLE_AD_TYPE_16SRV_CMPL, &len)) != NULL)
2310 {
2311 UINT8 i;
2312 for (i = 0; i + 2 <= len; i = i + 2)
2313 {
2314 /* if this BLE device support HID over LE, set HID Major in class of device */
2315 if ((p_uuid16[i] | (p_uuid16[i+1] << 8)) == UUID_SERVCLASS_LE_HID)
2316 {
2317 p_cur->dev_class[0] = 0;
2318 p_cur->dev_class[1] = BTM_COD_MAJOR_PERIPHERAL;
2319 p_cur->dev_class[2] = 0;
2320 break;
2321 }
2322 }
2323 }
2324 }
2325 }
2326
2327 /* if BR/EDR not supported is not set, assume is a DUMO device */
2328 if ((p_cur->flag & BTM_BLE_BREDR_NOT_SPT) == 0 &&
2329 evt_type != BTM_BLE_CONNECT_DIR_EVT)
2330 {
2331 if (p_cur->ble_addr_type != BLE_ADDR_RANDOM)
2332 {
2333 BTM_TRACE_DEBUG("BR/EDR NOT support bit not set, treat as DUMO");
2334 p_cur->device_type |= BT_DEVICE_TYPE_DUMO;
2335 } else {
2336 BTM_TRACE_DEBUG("Random address, treating device as LE only");
2337 }
2338 }
2339 else
2340 {
2341 BTM_TRACE_DEBUG("BR/EDR NOT SUPPORT bit set, LE only device");
2342 }
2343
2344 return to_report;
2345
2346 }
2347
2348 /*******************************************************************************
2349 **
2350 ** Function btm_send_sel_conn_callback
2351 **
2352 ** Description send selection connection request callback.
2353 **
2354 ** Parameters
2355 **
2356 ** Returns void
2357 **
2358 *******************************************************************************/
btm_send_sel_conn_callback(BD_ADDR remote_bda,UINT8 evt_type,UINT8 * p_data,UINT8 addr_type)2359 void btm_send_sel_conn_callback(BD_ADDR remote_bda, UINT8 evt_type, UINT8 *p_data, UINT8 addr_type)
2360 {
2361 UINT8 data_len, len;
2362 UINT8 *p_dev_name, remname[31] = {0};
2363 UNUSED(addr_type);
2364
2365 if (btm_cb.ble_ctr_cb.p_select_cback == NULL ||
2366 /* non-connectable device */
2367 (evt_type != BTM_BLE_EVT_CONN_ADV && evt_type != BTM_BLE_EVT_CONN_DIR_ADV))
2368 return;
2369
2370 STREAM_TO_UINT8 (data_len, p_data);
2371
2372 /* get the device name if exist in ADV data */
2373 if (data_len != 0)
2374 {
2375 p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_CMPL, &len);
2376
2377 if (p_dev_name == NULL)
2378 p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_SHORT, &len);
2379
2380 if (p_dev_name)
2381 memcpy(remname, p_dev_name, len);
2382 }
2383 /* allow connection */
2384 if ((* btm_cb.ble_ctr_cb.p_select_cback)(remote_bda, remname))
2385 {
2386 /* terminate selective connection, initiate connection */
2387 btm_ble_initiate_select_conn(remote_bda);
2388 }
2389 }
2390
2391 /*******************************************************************************
2392 **
2393 ** Function btm_ble_process_adv_pkt
2394 **
2395 ** Description This function is called when adv packet report events are
2396 ** received from the device. It updates the inquiry database.
2397 ** If the inquiry database is full, the oldest entry is discarded.
2398 **
2399 ** Parameters
2400 **
2401 ** Returns void
2402 **
2403 *******************************************************************************/
btm_ble_process_adv_pkt(UINT8 * p_data)2404 void btm_ble_process_adv_pkt (UINT8 *p_data)
2405 {
2406 BD_ADDR bda;
2407 UINT8 evt_type = 0, *p = p_data;
2408 UINT8 addr_type = 0;
2409 UINT8 num_reports;
2410 UINT8 data_len;
2411 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
2412 BOOLEAN match = FALSE;
2413 #endif
2414
2415 /* Extract the number of reports in this event. */
2416 STREAM_TO_UINT8(num_reports, p);
2417
2418 while (num_reports--)
2419 {
2420 /* Extract inquiry results */
2421 STREAM_TO_UINT8 (evt_type, p);
2422 STREAM_TO_UINT8 (addr_type, p);
2423 STREAM_TO_BDADDR (bda, p);
2424
2425 #ifdef BTM_BLE_PC_ADV_TEST_MODE /* For general stack code (e.g. BTInsight testing), we simply do not define it to exclude or set it to TRUE to include */
2426 if (BTM_BLE_PC_ADV_TEST_MODE) /* For stack component, it is always defined and maps to a global variable g_bDraculaAdvertisingMode */
2427 {
2428 if (btm_cb.ble_ctr_cb.p_scan_req_cback)
2429 (*btm_cb.ble_ctr_cb.p_scan_req_cback)(bda, addr_type, evt_type);
2430 }
2431 #endif
2432
2433 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
2434 /* map address to security record */
2435 btm_public_addr_to_random_pseudo(bda, &addr_type);
2436 BTM_TRACE_DEBUG("new address: %02x:%02x:%02x:%02x:%02x:%02x",
2437 bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
2438 #endif
2439
2440 /* Only process the results if the inquiry is still active */
2441 if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
2442 return;
2443
2444 BTM_TRACE_DEBUG("btm_ble_process_adv_pkt:bda= %0x:%0x:%0x:%0x:%0x:%0x",
2445 bda[0],bda[1],bda[2],bda[3],bda[4],bda[5]);
2446 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
2447 #if SMP_INCLUDED == TRUE
2448 /* always do RRA resolution on host */
2449 if (!match && BTM_BLE_IS_RESOLVE_BDA(bda))
2450 {
2451 btm_ble_resolve_random_addr(bda, btm_ble_resolve_random_addr_on_adv, p_data);
2452 }
2453 else
2454 #endif
2455 #endif
2456 {
2457 btm_ble_process_adv_pkt_cont(bda, addr_type, evt_type, p);
2458 }
2459
2460 STREAM_TO_UINT8(data_len, p);
2461
2462 /* Advance to the next event data_len + rssi byte */
2463 p += data_len + 1;
2464 }
2465 }
2466
2467 /*******************************************************************************
2468 **
2469 ** Function btm_ble_process_adv_pkt_cont
2470 **
2471 ** Description This function is called after random address resolution is
2472 ** done, and proceed to process adv packet.
2473 **
2474 ** Parameters
2475 **
2476 ** Returns void
2477 **
2478 *******************************************************************************/
btm_ble_process_adv_pkt_cont(BD_ADDR bda,UINT8 addr_type,UINT8 evt_type,UINT8 * p)2479 static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p)
2480 {
2481 tINQ_DB_ENT *p_i;
2482 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2483 tBTM_INQ_RESULTS_CB *p_inq_results_cb = p_inq->p_inq_results_cb;
2484 tBTM_INQ_RESULTS_CB *p_obs_results_cb = btm_cb.ble_ctr_cb.p_obs_results_cb;
2485 tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var;
2486 BOOLEAN update = TRUE;
2487 UINT8 result = 0;
2488
2489 p_i = btm_inq_db_find (bda);
2490
2491 /* Check if this address has already been processed for this inquiry */
2492 if (btm_inq_find_bdaddr(bda))
2493 {
2494 /* never been report as an LE device */
2495 if (p_i &&
2496 (!(p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BLE) ||
2497 /* scan repsonse to be updated */
2498 (!p_i->scan_rsp)))
2499 {
2500 update = TRUE;
2501 }
2502 else if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity))
2503 {
2504 update = FALSE;
2505 }
2506 else
2507 {
2508 /* if yes, skip it */
2509 return; /* assumption: one result per event */
2510 }
2511 }
2512 /* If existing entry, use that, else get a new one (possibly reusing the oldest) */
2513 if (p_i == NULL)
2514 {
2515 if ((p_i = btm_inq_db_new (bda)) != NULL)
2516 {
2517 p_inq->inq_cmpl_info.num_resp++;
2518 }
2519 else
2520 return;
2521 }
2522 else if (p_i->inq_count != p_inq->inq_counter) /* first time seen in this inquiry */
2523 {
2524 p_inq->inq_cmpl_info.num_resp++;
2525 }
2526 /* update the LE device information in inquiry database */
2527 if (!btm_ble_update_inq_result(p_i, addr_type, evt_type, p))
2528 return;
2529
2530 if ((result = btm_ble_is_discoverable(bda, evt_type, p)) == 0)
2531 {
2532 BTM_TRACE_ERROR("discard adv pkt");
2533 return;
2534 }
2535 if (!update)
2536 result &= ~BTM_BLE_INQ_RESULT;
2537 #if BTM_USE_INQ_RESULTS_FILTER == TRUE
2538 /* If the number of responses found and limited, issue a cancel inquiry */
2539 if (p_inq->inqparms.max_resps &&
2540 p_inq->inq_cmpl_info.num_resp == p_inq->inqparms.max_resps)
2541 {
2542 /* new device */
2543 if (p_i == NULL ||
2544 (/* assume a DUMO device, BR/EDR inquiry is always active */
2545 p_i && p_i->inq_info.results.device_type == BT_DEVICE_TYPE_BLE && p_i->scan_rsp))
2546 {
2547 BTM_TRACE_WARNING("INQ RES: Extra Response Received...cancelling inquiry..");
2548
2549 /* if is non-periodic inquiry active, cancel now */
2550 if ((p_inq->inq_active & BTM_BR_INQ_ACTIVE_MASK) != 0 &&
2551 (p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) == 0)
2552 btsnd_hcic_inq_cancel();
2553
2554 btm_ble_stop_inquiry();
2555
2556 #if BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE
2557 btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT);
2558 #endif
2559 }
2560 }
2561 #endif
2562 /* background connection in selective connection mode */
2563 if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_SELECTIVE)
2564 {
2565 if (result & BTM_BLE_SEL_CONN_RESULT)
2566 btm_send_sel_conn_callback(bda, evt_type, p, addr_type);
2567 else
2568 {
2569 BTM_TRACE_DEBUG("None LE device, can not initiate selective connection");
2570 }
2571 }
2572 else
2573 {
2574 if (p_inq_results_cb && (result & BTM_BLE_INQ_RESULT))
2575 {
2576 (p_inq_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache);
2577 }
2578 if (p_obs_results_cb && (result & BTM_BLE_OBS_RESULT))
2579 {
2580 (p_obs_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache);
2581 }
2582 }
2583 }
2584
2585 /*******************************************************************************
2586 **
2587 ** Function btm_ble_start_scan
2588 **
2589 ** Description Start the BLE scan.
2590 **
2591 ** Returns void
2592 **
2593 *******************************************************************************/
btm_ble_start_scan(UINT8 filter_enable)2594 tBTM_STATUS btm_ble_start_scan (UINT8 filter_enable)
2595 {
2596 tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var;
2597 tBTM_STATUS status = BTM_CMD_STARTED;
2598
2599 /* start scan, disable duplicate filtering */
2600 if (!btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_ENABLE, filter_enable)) {
2601 status = BTM_NO_RESOURCES;
2602 btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_SCAN;
2603 }
2604 else
2605 {
2606 btm_cb.ble_ctr_cb.wl_state |= BTM_BLE_WL_SCAN;
2607 if (p_inq->scan_type == BTM_BLE_SCAN_MODE_ACTI)
2608 btm_ble_set_topology_mask(BTM_BLE_STATE_ACTIVE_SCAN_BIT);
2609 else
2610 btm_ble_set_topology_mask(BTM_BLE_STATE_PASSIVE_SCAN_BIT);
2611 }
2612 return status;
2613 }
2614
2615 /*******************************************************************************
2616 **
2617 ** Function btm_ble_stop_scan
2618 **
2619 ** Description Stop the BLE scan.
2620 **
2621 ** Returns void
2622 **
2623 *******************************************************************************/
btm_ble_stop_scan(void)2624 void btm_ble_stop_scan(void)
2625 {
2626 BTM_TRACE_EVENT ("btm_ble_stop_scan ");
2627
2628 /* Clear the inquiry callback if set */
2629 btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE;
2630
2631 /* stop discovery now */
2632 btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE);
2633
2634 btm_update_scanner_filter_policy(SP_ADV_ALL);
2635
2636 btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_SCAN;
2637 }
2638 /*******************************************************************************
2639 **
2640 ** Function btm_ble_stop_inquiry
2641 **
2642 ** Description Stop the BLE Inquiry.
2643 **
2644 ** Returns void
2645 **
2646 *******************************************************************************/
btm_ble_stop_inquiry(void)2647 void btm_ble_stop_inquiry(void)
2648 {
2649 tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars;
2650 tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb;
2651
2652 btu_stop_timer (&p_ble_cb->inq_var.inq_timer_ent);
2653
2654 p_ble_cb->scan_activity &= ~BTM_BLE_INQUIRY_MASK;
2655
2656 /* If no more scan activity, stop LE scan now */
2657 if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity))
2658 btm_ble_stop_scan();
2659
2660 /* If we have a callback registered for inquiry complete, call it */
2661 BTM_TRACE_DEBUG ("BTM Inq Compl Callback: status 0x%02x, num results %d",
2662 p_inq->inq_cmpl_info.status, p_inq->inq_cmpl_info.num_resp);
2663
2664 btm_process_inq_complete(HCI_SUCCESS, (UINT8)(p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK));
2665 }
2666
2667 /*******************************************************************************
2668 **
2669 ** Function btm_ble_stop_observe
2670 **
2671 ** Description Stop the BLE Observe.
2672 **
2673 ** Returns void
2674 **
2675 *******************************************************************************/
btm_ble_stop_observe(void)2676 static void btm_ble_stop_observe(void)
2677 {
2678 tBTM_BLE_CB *p_ble_cb = & btm_cb.ble_ctr_cb;
2679 tBTM_CMPL_CB *p_obs_cb = p_ble_cb->p_obs_cmpl_cb;
2680
2681 btu_stop_timer (&p_ble_cb->obs_timer_ent);
2682
2683 p_ble_cb->scan_activity &= ~BTM_LE_OBSERVE_ACTIVE;
2684
2685 p_ble_cb->p_obs_results_cb = NULL;
2686 p_ble_cb->p_obs_cmpl_cb = NULL;
2687
2688 if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity))
2689 btm_ble_stop_scan();
2690
2691 if (p_obs_cb)
2692 (p_obs_cb)((tBTM_INQUIRY_CMPL *) &btm_cb.btm_inq_vars.inq_cmpl_info);
2693 }
2694 /*******************************************************************************
2695 **
2696 ** Function btm_ble_adv_states_operation
2697 **
2698 ** Description Set or clear adv states in topology mask
2699 **
2700 ** Returns operation status. TRUE if sucessful, FALSE otherwise.
2701 **
2702 *******************************************************************************/
2703 typedef BOOLEAN (BTM_TOPOLOGY_FUNC_PTR)(tBTM_BLE_STATE_MASK);
btm_ble_adv_states_operation(BTM_TOPOLOGY_FUNC_PTR * p_handler,UINT8 adv_evt)2704 static BOOLEAN btm_ble_adv_states_operation(BTM_TOPOLOGY_FUNC_PTR *p_handler, UINT8 adv_evt)
2705 {
2706 BOOLEAN rt = FALSE;
2707
2708 switch (adv_evt)
2709 {
2710 case BTM_BLE_CONNECT_EVT:
2711 rt = (*p_handler)(BTM_BLE_STATE_CONN_ADV_BIT);
2712 break;
2713
2714 case BTM_BLE_NON_CONNECT_EVT:
2715 rt = (*p_handler) (BTM_BLE_STATE_NON_CONN_ADV_BIT);
2716 break;
2717 case BTM_BLE_CONNECT_DIR_EVT:
2718 rt = (*p_handler) (BTM_BLE_STATE_HI_DUTY_DIR_ADV_BIT);
2719 break;
2720
2721 case BTM_BLE_DISCOVER_EVT:
2722 rt = (*p_handler) (BTM_BLE_STATE_SCAN_ADV_BIT);
2723 break;
2724
2725 default:
2726 BTM_TRACE_ERROR("unknown adv event : %d", adv_evt);
2727 break;
2728 }
2729
2730 return rt;
2731 }
2732
2733
2734 /*******************************************************************************
2735 **
2736 ** Function btm_ble_start_adv
2737 **
2738 ** Description start the BLE advertising.
2739 **
2740 ** Returns void
2741 **
2742 *******************************************************************************/
btm_ble_start_adv(void)2743 tBTM_STATUS btm_ble_start_adv(void)
2744 {
2745 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
2746 tBTM_STATUS rt = BTM_NO_RESOURCES;
2747
2748 if (!btm_ble_adv_states_operation (btm_ble_topology_check, p_cb->evt_type))
2749 return BTM_WRONG_MODE;
2750
2751 if (p_cb->afp != AP_SCAN_CONN_ALL)
2752 {
2753 btm_execute_wl_dev_operation();
2754 btm_cb.ble_ctr_cb.wl_state |= BTM_BLE_WL_ADV;
2755 }
2756
2757 if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_ENABLE))
2758 {
2759 if (p_cb->afp != AP_SCAN_CONN_ALL)
2760 btm_cb.ble_ctr_cb.wl_state |= BTM_BLE_WL_ADV;
2761
2762 p_cb->adv_mode = BTM_BLE_ADV_ENABLE;
2763
2764 rt = BTM_SUCCESS;
2765 }
2766 else
2767 {
2768 p_cb->adv_mode = BTM_BLE_ADV_DISABLE;
2769 btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_ADV;
2770 }
2771 return rt;
2772 }
2773 /*******************************************************************************
2774 **
2775 ** Function btm_ble_stop_adv
2776 **
2777 ** Description Stop the BLE advertising.
2778 **
2779 ** Returns void
2780 **
2781 *******************************************************************************/
btm_ble_stop_adv(void)2782 tBTM_STATUS btm_ble_stop_adv(void)
2783 {
2784 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
2785 tBTM_STATUS rt = BTM_SUCCESS;
2786
2787 if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
2788 {
2789 if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_DISABLE))
2790 {
2791 p_cb->fast_adv_on = FALSE;
2792 p_cb->adv_mode = BTM_BLE_ADV_DISABLE;
2793 btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_ADV;
2794
2795 /* clear all adv states */
2796 btm_ble_clear_topology_mask (BTM_BLE_STATE_ALL_ADV_MASK);
2797 }
2798 else
2799 rt = BTM_NO_RESOURCES;
2800 }
2801 return rt;
2802 }
2803
2804
2805 /*******************************************************************************
2806 **
2807 ** Function btm_ble_set_topology_mask
2808 **
2809 ** Description set BLE topology mask
2810 **
2811 ** Returns TRUE is request is allowed, FALSE otherwise.
2812 **
2813 *******************************************************************************/
btm_ble_set_topology_mask(tBTM_BLE_STATE_MASK request_state_mask)2814 BOOLEAN btm_ble_set_topology_mask(tBTM_BLE_STATE_MASK request_state_mask)
2815 {
2816 BOOLEAN rt = TRUE;
2817
2818 request_state_mask &= BTM_BLE_STATE_ALL_MASK;
2819
2820 btm_cb.ble_ctr_cb.cur_states |= request_state_mask;
2821
2822 return rt;
2823 }
2824 /*******************************************************************************
2825 **
2826 ** Function btm_ble_clear_topology_mask
2827 **
2828 ** Description Clear BLE topology bit mask
2829 **
2830 ** Returns TRUE is request is allowed, FALSE otherwise.
2831 **
2832 *******************************************************************************/
btm_ble_clear_topology_mask(tBTM_BLE_STATE_MASK request_state_mask)2833 BOOLEAN btm_ble_clear_topology_mask (tBTM_BLE_STATE_MASK request_state_mask)
2834 {
2835 request_state_mask &= BTM_BLE_STATE_ALL_MASK;
2836
2837 btm_cb.ble_ctr_cb.cur_states &= ~request_state_mask;
2838
2839 return TRUE;
2840 }
2841 /*******************************************************************************
2842 **
2843 ** Function btm_ble_update_mode_operation
2844 **
2845 ** Description This function update the GAP role operation when a link status
2846 ** is updated.
2847 **
2848 ** Returns void
2849 **
2850 *******************************************************************************/
btm_ble_update_mode_operation(UINT8 link_role,BD_ADDR bd_addr,UINT8 status)2851 void btm_ble_update_mode_operation(UINT8 link_role, BD_ADDR bd_addr, UINT8 status)
2852 {
2853 tACL_CONN *pa = &btm_cb.acl_db[0];
2854 UINT16 xx;
2855 UINT16 mask = BTM_BLE_STATE_ALL_CONN_MASK;
2856
2857 UNUSED(bd_addr);
2858
2859 if (link_role == HCI_ROLE_SLAVE)
2860 {
2861 btm_cb.ble_ctr_cb.inq_var.adv_mode = BTM_BLE_ADV_DISABLE;
2862 /* clear all adv states */
2863 mask |= BTM_BLE_STATE_ALL_ADV_MASK;
2864 }
2865
2866 btm_ble_clear_topology_mask (mask);
2867
2868 /* check the device link role maps */
2869 for (xx = 0; xx < MAX_L2CAP_LINKS; xx++, pa++)
2870 {
2871 if (pa->in_use && pa->transport == BT_TRANSPORT_LE)
2872 {
2873 if (pa->link_role == HCI_ROLE_MASTER)
2874 btm_ble_set_topology_mask (BTM_BLE_STATE_MASTER_BIT);
2875 else
2876 btm_ble_set_topology_mask (BTM_BLE_STATE_SLAVE_BIT);
2877 }
2878 }
2879
2880 if (btm_cb.cmn_ble_vsc_cb.adv_inst_max == 0 &&
2881 btm_cb.ble_ctr_cb.inq_var.connectable_mode == BTM_BLE_CONNECTABLE)
2882 {
2883 btm_ble_set_connectability ( btm_cb.ble_ctr_cb.inq_var.connectable_mode );
2884 }
2885
2886 if (btm_ble_get_conn_st() == BLE_CONN_IDLE && status != HCI_ERR_HOST_REJECT_RESOURCES)
2887 {
2888 if (!btm_send_pending_direct_conn())
2889 {
2890 btm_ble_resume_bg_conn();
2891 }
2892 }
2893 }
2894
2895 /*******************************************************************************
2896 **
2897 ** Function btm_ble_start_slow_adv
2898 **
2899 ** Description Restart adv with slow adv interval
2900 **
2901 ** Returns void
2902 **
2903 *******************************************************************************/
btm_ble_start_slow_adv(void)2904 static void btm_ble_start_slow_adv (void)
2905 {
2906 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
2907 BD_ADDR p_addr_ptr= {0};
2908
2909 if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE)
2910 {
2911 btm_ble_stop_adv();
2912
2913 btsnd_hcic_ble_write_adv_params (BTM_BLE_GAP_ADV_SLOW_INT,
2914 BTM_BLE_GAP_ADV_SLOW_INT,
2915 p_cb->evt_type,
2916 p_cb->adv_addr_type,
2917 btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type,/* slow adv
2918 mode never goes into directed adv */
2919 p_addr_ptr,
2920 p_cb->adv_chnl_map,
2921 p_cb->afp);
2922
2923 btm_ble_start_adv();
2924 }
2925 }
2926 /*******************************************************************************
2927 **
2928 ** Function btm_ble_timeout
2929 **
2930 ** Description Called when BTM BLE inquiry timer expires
2931 **
2932 ** Returns void
2933 **
2934 *******************************************************************************/
btm_ble_timeout(TIMER_LIST_ENT * p_tle)2935 void btm_ble_timeout(TIMER_LIST_ENT *p_tle)
2936 {
2937 BTM_TRACE_EVENT ("btm_ble_timeout");
2938
2939 switch (p_tle->event)
2940 {
2941 case BTU_TTYPE_BLE_OBSERVE:
2942 btm_ble_stop_observe();
2943 break;
2944
2945 case BTU_TTYPE_BLE_INQUIRY:
2946 btm_ble_stop_inquiry();
2947 break;
2948
2949 case BTU_TTYPE_BLE_GAP_LIM_DISC:
2950 /* lim_timeout expiried, limited discovery should exit now */
2951 btm_cb.btm_inq_vars.discoverable_mode &= ~BTM_BLE_LIMITED_DISCOVERABLE;
2952 btm_ble_set_adv_flag(btm_cb.btm_inq_vars.connectable_mode, btm_cb.btm_inq_vars.discoverable_mode);
2953 break;
2954
2955 case BTU_TTYPE_BLE_RANDOM_ADDR:
2956 if (btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type == BLE_ADDR_RANDOM)
2957 {
2958 if (NULL == (void *)(p_tle->param))
2959 {
2960 /* refresh the random addr */
2961 btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low);
2962 }
2963 else
2964 {
2965 if (BTM_BleMaxMultiAdvInstanceCount() > 0)
2966 btm_ble_multi_adv_configure_rpa((tBTM_BLE_MULTI_ADV_INST*)p_tle->param);
2967 }
2968 }
2969 break;
2970
2971 case BTU_TTYPE_BLE_GAP_FAST_ADV:
2972 /* fast adv is completed, fall back to slow adv interval */
2973 btm_ble_start_slow_adv();
2974 break;
2975
2976 default:
2977 break;
2978
2979 }
2980 }
2981
2982
2983 /*******************************************************************************
2984 **
2985 ** Function btm_ble_read_remote_features_complete
2986 **
2987 ** Description This function is called when the command complete message
2988 ** is received from the HCI for the read LE remote feature supported
2989 ** complete event.
2990 **
2991 ** Returns void
2992 **
2993 *******************************************************************************/
btm_ble_read_remote_features_complete(UINT8 * p)2994 void btm_ble_read_remote_features_complete(UINT8 *p)
2995 {
2996 tACL_CONN *p_acl_cb = &btm_cb.acl_db[0];
2997 UINT16 handle;
2998 UINT8 status;
2999 int xx;
3000
3001 BTM_TRACE_EVENT ("btm_ble_read_remote_features_complete ");
3002
3003 STREAM_TO_UINT8(status, p);
3004 /* if LE read remote feature failed, expect disconnect complete to be received */
3005 if (status == HCI_SUCCESS)
3006 {
3007 STREAM_TO_UINT16 (handle, p);
3008
3009 /* Look up the connection by handle and copy features */
3010 for (xx = 0; xx < MAX_L2CAP_LINKS; xx++, p_acl_cb++)
3011 {
3012 if ((p_acl_cb->in_use) && (p_acl_cb->hci_handle == handle))
3013 {
3014 STREAM_TO_ARRAY(p_acl_cb->peer_le_features, p, BD_FEATURES_LEN);
3015 /*notify link up here */
3016 l2cble_notify_le_connection (p_acl_cb->remote_addr);
3017 break;
3018 }
3019 }
3020 }
3021
3022 }
3023
3024 /*******************************************************************************
3025 **
3026 ** Function btm_ble_write_adv_enable_complete
3027 **
3028 ** Description This function process the write adv enable command complete.
3029 **
3030 ** Returns void
3031 **
3032 *******************************************************************************/
btm_ble_write_adv_enable_complete(UINT8 * p)3033 void btm_ble_write_adv_enable_complete(UINT8 * p)
3034 {
3035 tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var;
3036
3037 /* if write adv enable/disbale not succeed */
3038 if (*p != HCI_SUCCESS)
3039 {
3040 /* toggle back the adv mode */
3041 p_cb->adv_mode = !p_cb->adv_mode;
3042 }
3043 }
3044
3045 /*******************************************************************************
3046 **
3047 ** Function btm_ble_dir_adv_tout
3048 **
3049 ** Description when directed adv time out
3050 **
3051 ** Returns void
3052 **
3053 *******************************************************************************/
btm_ble_dir_adv_tout(void)3054 void btm_ble_dir_adv_tout(void)
3055 {
3056 btm_cb.ble_ctr_cb.inq_var.adv_mode = BTM_BLE_ADV_DISABLE;
3057
3058 /* make device fall back into undirected adv mode by default */
3059 btm_cb.ble_ctr_cb.inq_var.directed_conn = FALSE;
3060 }
3061
3062 /*******************************************************************************
3063 **
3064 ** Function btm_ble_init
3065 **
3066 ** Description Initialize the control block variable values.
3067 **
3068 ** Returns void
3069 **
3070 *******************************************************************************/
btm_ble_init(void)3071 void btm_ble_init (void)
3072 {
3073 tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
3074
3075 BTM_TRACE_EVENT ("btm_ble_init ");
3076
3077 memset(p_cb, 0, sizeof(tBTM_BLE_CB));
3078 memset(&(btm_cb.cmn_ble_vsc_cb), 0 , sizeof(tBTM_BLE_VSC_CB));
3079 btm_cb.cmn_ble_vsc_cb.values_read = FALSE;
3080 p_cb->cur_states = 0;
3081
3082 p_cb->inq_var.adv_mode = BTM_BLE_ADV_DISABLE;
3083 p_cb->inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE;
3084 p_cb->inq_var.adv_chnl_map = BTM_BLE_DEFAULT_ADV_CHNL_MAP;
3085 p_cb->inq_var.afp = BTM_BLE_DEFAULT_AFP;
3086 p_cb->inq_var.sfp = BTM_BLE_DEFAULT_SFP;
3087 p_cb->inq_var.connectable_mode = BTM_BLE_NON_CONNECTABLE;
3088 p_cb->inq_var.discoverable_mode = BTM_BLE_NON_DISCOVERABLE;
3089
3090 /* for background connection, reset connection params to be undefined */
3091 p_cb->scan_int = p_cb->scan_win = BTM_BLE_CONN_PARAM_UNDEF;
3092
3093 p_cb->inq_var.evt_type = BTM_BLE_NON_CONNECT_EVT;
3094
3095 #if BLE_VND_INCLUDED == FALSE
3096 btm_ble_vendor_init(BTM_CS_IRK_LIST_MAX);
3097 btm_ble_adv_filter_init();
3098 #endif
3099 }
3100
3101 /*******************************************************************************
3102 **
3103 ** Function btm_ble_topology_check
3104 **
3105 ** Description check to see requested state is supported. One state check at
3106 ** a time is supported
3107 **
3108 ** Returns TRUE is request is allowed, FALSE otherwise.
3109 **
3110 *******************************************************************************/
btm_ble_topology_check(tBTM_BLE_STATE_MASK request_state_mask)3111 BOOLEAN btm_ble_topology_check(tBTM_BLE_STATE_MASK request_state_mask)
3112 {
3113 BOOLEAN rt = FALSE;
3114 UINT32 llt_mask = 0;
3115 UINT8 *p;
3116
3117 UINT8 state_offset = 0;
3118 UINT16 cur_states = btm_cb.ble_ctr_cb.cur_states;
3119 UINT8 mask, offset;
3120 UINT8 request_state = 0;
3121
3122 /* check only one bit is set and within valid range */
3123 if (request_state_mask == BTM_BLE_STATE_INVALID ||
3124 request_state_mask > BTM_BLE_STATE_SCAN_ADV_BIT ||
3125 (request_state_mask & (request_state_mask -1 )) != 0)
3126 {
3127 BTM_TRACE_ERROR("illegal state requested: %d", request_state_mask);
3128 return rt;
3129 }
3130
3131 while (request_state_mask)
3132 {
3133 request_state_mask >>= 1;
3134 request_state ++;
3135 }
3136
3137 /* check if the requested state is supported or not */
3138 mask = btm_le_state_combo_tbl[0][request_state - 1][0];
3139 offset = btm_le_state_combo_tbl[0][request_state-1][1];
3140
3141 if (!BTM_LE_STATES_SUPPORTED(btm_cb.devcb.le_supported_states, mask, offset))
3142 {
3143 BTM_TRACE_ERROR("state requested not supported: %d", request_state);
3144 return rt;
3145 }
3146
3147 rt = TRUE;
3148 /* make sure currently active states are all supported in conjunction with the requested
3149 state. If the bit in table is not set, the combination is not supported */
3150 while (cur_states != 0)
3151 {
3152 if (cur_states & 0x01)
3153 {
3154 mask = btm_le_state_combo_tbl[request_state][state_offset][0];
3155 offset = btm_le_state_combo_tbl[request_state][state_offset][1];
3156
3157 if (mask != 0 && offset != 0)
3158 {
3159 if (!BTM_LE_STATES_SUPPORTED(btm_cb.devcb.le_supported_states, mask, offset))
3160 {
3161 rt = FALSE;
3162 break;
3163 }
3164 }
3165 }
3166 cur_states >>= 1;
3167 state_offset ++;
3168 }
3169 return rt;
3170 }
3171
3172
3173 #endif /* BLE_INCLUDED */
3174