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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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); 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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
