| /****************************************************************************** |
| * |
| * Copyright (C) 2014 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| #define LOG_TAG "bt_btm_ble" |
| |
| #include <string.h> |
| |
| #include "bt_target.h" |
| |
| #if (BLE_INCLUDED == TRUE) |
| |
| #include "bt_types.h" |
| #include "bt_utils.h" |
| #include "btm_ble_api.h" |
| #include "btm_int.h" |
| #include "btu.h" |
| #include "device/include/controller.h" |
| #include "hcidefs.h" |
| #include "hcimsgs.h" |
| |
| #define BTM_BLE_ADV_FILT_META_HDR_LENGTH 3 |
| #define BTM_BLE_ADV_FILT_FEAT_SELN_LEN 13 |
| #define BTM_BLE_ADV_FILT_TRACK_NUM 2 |
| |
| #define BTM_BLE_PF_SELECT_NONE 0 |
| |
| /* BLE meta vsc header: 1 bytes of sub_code, 1 byte of PCF action */ |
| #define BTM_BLE_META_HDR_LENGTH 3 |
| #define BTM_BLE_PF_FEAT_SEL_LEN 18 |
| #define BTM_BLE_PCF_ENABLE_LEN 2 |
| |
| #define BTM_BLE_META_ADDR_LEN 7 |
| #define BTM_BLE_META_UUID_LEN 40 |
| |
| #define BTM_BLE_PF_BIT_TO_MASK(x) (UINT16)(1 << (x)) |
| |
| tBTM_BLE_ADV_FILTER_CB btm_ble_adv_filt_cb; |
| tBTM_BLE_VSC_CB cmn_ble_vsc_cb; |
| static const BD_ADDR na_bda= {0}; |
| |
| static UINT8 btm_ble_cs_update_pf_counter(tBTM_BLE_SCAN_COND_OP action, |
| UINT8 cond_type, tBLE_BD_ADDR *p_bd_addr, UINT8 num_available); |
| |
| #define BTM_BLE_SET_SCAN_PF_OPCODE(x, y) (((x)<<4)|y) |
| #define BTM_BLE_GET_SCAN_PF_SUBCODE(x) ((x) >> 4) |
| #define BTM_BLE_GET_SCAN_PF_ACTION(x) ((x) & 0x0f) |
| #define BTM_BLE_INVALID_COUNTER 0xff |
| |
| /* length of each multi adv sub command */ |
| #define BTM_BLE_ADV_FILTER_ENB_LEN 3 |
| |
| /* length of each batch scan command */ |
| #define BTM_BLE_ADV_FILTER_CLEAR_LEN 3 |
| #define BTM_BLE_ADV_FILTER_LEN 2 |
| |
| #define BTM_BLE_ADV_FILT_CB_EVT_MASK 0xF0 |
| #define BTM_BLE_ADV_FILT_SUBCODE_MASK 0x0F |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_obtain_vsc_details |
| ** |
| ** Description This function obtains the VSC details |
| ** |
| ** Parameters |
| ** |
| ** Returns status |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS btm_ble_obtain_vsc_details() |
| { |
| tBTM_STATUS st = BTM_SUCCESS; |
| |
| #if BLE_VND_INCLUDED == TRUE |
| BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb); |
| if (0 == cmn_ble_vsc_cb.max_filter) |
| { |
| st = BTM_MODE_UNSUPPORTED; |
| return st; |
| } |
| #else |
| cmn_ble_vsc_cb.max_filter = BTM_BLE_MAX_FILTER_COUNTER; |
| #endif |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_advfilt_enq_op_q |
| ** |
| ** Description enqueue an adv filter operation in q to check command complete |
| ** status |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void btm_ble_advfilt_enq_op_q(UINT8 action, UINT8 ocf, tBTM_BLE_FILT_CB_EVT cb_evt, |
| tBTM_BLE_REF_VALUE ref, tBTM_BLE_PF_CFG_CBACK *p_cmpl_cback, |
| tBTM_BLE_PF_PARAM_CBACK *p_filt_param_cback) |
| { |
| btm_ble_adv_filt_cb.op_q.action_ocf[btm_ble_adv_filt_cb.op_q.next_idx] = (action |(ocf << 4)); |
| btm_ble_adv_filt_cb.op_q.ref_value[btm_ble_adv_filt_cb.op_q.next_idx] = ref; |
| btm_ble_adv_filt_cb.op_q.cb_evt[btm_ble_adv_filt_cb.op_q.next_idx] = cb_evt; |
| btm_ble_adv_filt_cb.op_q.p_scan_cfg_cback[btm_ble_adv_filt_cb.op_q.next_idx] = p_cmpl_cback; |
| btm_ble_adv_filt_cb.op_q.p_filt_param_cback[btm_ble_adv_filt_cb.op_q.next_idx] |
| = p_filt_param_cback; |
| BTM_TRACE_DEBUG("btm_ble_advfilt_enq_op_q: act_ocf:%d, action:%d, ocf:%d,cb_evt;%d, cback:%x", |
| btm_ble_adv_filt_cb.op_q.action_ocf[btm_ble_adv_filt_cb.op_q.next_idx], action, |
| ocf, cb_evt, p_cmpl_cback); |
| btm_ble_adv_filt_cb.op_q.next_idx = (btm_ble_adv_filt_cb.op_q.next_idx + 1) |
| % BTM_BLE_PF_TYPE_MAX; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_advfilt_deq_op_q |
| ** |
| ** Description dequeue an adv filter operation from q when command complete |
| ** is received |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void btm_ble_advfilt_deq_op_q(UINT8 *p_action,UINT8 *p_ocf, tBTM_BLE_FILT_CB_EVT *p_cb_evt, |
| tBTM_BLE_REF_VALUE *p_ref, tBTM_BLE_PF_CFG_CBACK ** p_cmpl_cback, |
| tBTM_BLE_PF_PARAM_CBACK **p_filt_param_cback) |
| { |
| *p_ocf = (btm_ble_adv_filt_cb.op_q.action_ocf[btm_ble_adv_filt_cb.op_q.pending_idx] >> 4); |
| *p_action = (btm_ble_adv_filt_cb.op_q.action_ocf[btm_ble_adv_filt_cb.op_q.pending_idx] |
| & BTM_BLE_ADV_FILT_SUBCODE_MASK); |
| *p_ref = btm_ble_adv_filt_cb.op_q.ref_value[btm_ble_adv_filt_cb.op_q.pending_idx]; |
| *p_cb_evt = btm_ble_adv_filt_cb.op_q.cb_evt[btm_ble_adv_filt_cb.op_q.pending_idx]; |
| *p_cmpl_cback = btm_ble_adv_filt_cb.op_q.p_scan_cfg_cback[btm_ble_adv_filt_cb.op_q.pending_idx]; |
| *p_filt_param_cback = |
| btm_ble_adv_filt_cb.op_q.p_filt_param_cback[btm_ble_adv_filt_cb.op_q.pending_idx]; |
| |
| btm_ble_adv_filt_cb.op_q.pending_idx = (btm_ble_adv_filt_cb.op_q.pending_idx + 1) |
| % BTM_BLE_PF_TYPE_MAX; |
| BTM_TRACE_DEBUG("btm_ble_advfilt_deq_op_q: ocf:%d, action:%d, ref_value:%d, cb_evt:%x", |
| *p_ocf,*p_action, *p_ref, *p_cb_evt); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_condtype_to_ocf |
| ** |
| ** Description Convert cond_type to OCF |
| ** |
| ** Returns Returns ocf value |
| ** |
| *******************************************************************************/ |
| UINT8 btm_ble_condtype_to_ocf(UINT8 cond_type) |
| { |
| UINT8 ocf = 0; |
| |
| switch(cond_type) |
| { |
| case BTM_BLE_PF_ADDR_FILTER: |
| ocf = BTM_BLE_META_PF_ADDR; |
| break; |
| case BTM_BLE_PF_SRVC_UUID: |
| ocf = BTM_BLE_META_PF_UUID; |
| break; |
| case BTM_BLE_PF_SRVC_SOL_UUID: |
| ocf = BTM_BLE_META_PF_SOL_UUID; |
| break; |
| case BTM_BLE_PF_LOCAL_NAME: |
| ocf = BTM_BLE_META_PF_LOCAL_NAME; |
| break; |
| case BTM_BLE_PF_MANU_DATA: |
| ocf = BTM_BLE_META_PF_MANU_DATA; |
| break; |
| case BTM_BLE_PF_SRVC_DATA_PATTERN: |
| ocf = BTM_BLE_META_PF_SRVC_DATA; |
| break; |
| case BTM_BLE_PF_TYPE_ALL: |
| ocf = BTM_BLE_META_PF_ALL; |
| break; |
| default: |
| ocf = BTM_BLE_PF_TYPE_MAX; |
| break; |
| } |
| return ocf; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_ocf_to_condtype |
| ** |
| ** Description Convert OCF to cond type |
| ** |
| ** Returns Returns condtype value |
| ** |
| *******************************************************************************/ |
| UINT8 btm_ble_ocf_to_condtype(UINT8 ocf) |
| { |
| UINT8 cond_type = 0; |
| |
| switch(ocf) |
| { |
| case BTM_BLE_META_PF_FEAT_SEL: |
| cond_type = BTM_BLE_META_PF_FEAT_SEL; |
| break; |
| case BTM_BLE_META_PF_ADDR: |
| cond_type = BTM_BLE_PF_ADDR_FILTER; |
| break; |
| case BTM_BLE_META_PF_UUID: |
| cond_type = BTM_BLE_PF_SRVC_UUID; |
| break; |
| case BTM_BLE_META_PF_SOL_UUID: |
| cond_type = BTM_BLE_PF_SRVC_SOL_UUID; |
| break; |
| case BTM_BLE_META_PF_LOCAL_NAME: |
| cond_type = BTM_BLE_PF_LOCAL_NAME; |
| break; |
| case BTM_BLE_META_PF_MANU_DATA: |
| cond_type = BTM_BLE_PF_MANU_DATA; |
| break; |
| case BTM_BLE_META_PF_SRVC_DATA: |
| cond_type = BTM_BLE_PF_SRVC_DATA_PATTERN; |
| break; |
| case BTM_BLE_META_PF_ALL: |
| cond_type = BTM_BLE_PF_TYPE_ALL; |
| break; |
| default: |
| cond_type = BTM_BLE_PF_TYPE_MAX; |
| break; |
| } |
| return cond_type; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_scan_pf_cmpl_cback |
| ** |
| ** Description the BTM BLE customer feature VSC complete callback for ADV PF filtering |
| ** |
| ** Returns pointer to the counter if found; NULL otherwise. |
| ** |
| *******************************************************************************/ |
| void btm_ble_scan_pf_cmpl_cback(tBTM_VSC_CMPL *p_params) |
| { |
| UINT8 status = 0; |
| UINT8 *p = p_params->p_param_buf, op_subcode = 0, action = 0xff; |
| UINT16 evt_len = p_params->param_len; |
| UINT8 ocf = BTM_BLE_META_PF_ALL, cond_type = 0; |
| UINT8 num_avail = 0, cb_evt = 0; |
| tBTM_BLE_REF_VALUE ref_value = 0; |
| tBTM_BLE_PF_CFG_CBACK *p_scan_cfg_cback = NULL; |
| tBTM_BLE_PF_PARAM_CBACK *p_filt_param_cback = NULL; |
| |
| if (evt_len < 3 || evt_len > 4) |
| { |
| BTM_TRACE_ERROR("%s cannot interpret APCF callback status = %d, length = %d", |
| __func__, status, evt_len); |
| btm_ble_advfilt_deq_op_q(&action, &ocf, &cb_evt, &ref_value, &p_scan_cfg_cback, |
| &p_filt_param_cback); |
| return; |
| } |
| |
| btm_ble_advfilt_deq_op_q(&action, &ocf, &cb_evt, &ref_value, &p_scan_cfg_cback, |
| &p_filt_param_cback); |
| |
| STREAM_TO_UINT8(status, p); |
| STREAM_TO_UINT8(op_subcode, p); |
| STREAM_TO_UINT8(action, p); |
| |
| /* Ignore the event, if it is not the same one expected */ |
| if (3 == evt_len) |
| { |
| if(ocf != op_subcode) |
| { |
| BTM_TRACE_ERROR("btm_ble_scan_pf_cmpl_cback:3-Incorrect opcode :%d, %d, %d, %d, %d, %d", |
| ocf, op_subcode, action, evt_len, ref_value, status); |
| return; |
| } |
| else |
| { |
| if(NULL != btm_ble_adv_filt_cb.p_filt_stat_cback) |
| btm_ble_adv_filt_cb.p_filt_stat_cback(action, status, ref_value); |
| BTM_TRACE_DEBUG("btm_ble_scan_pf_cmpl_cback enabled/disabled, %d, %d, %d, %d", |
| ocf, action, status, ref_value); |
| return; |
| } |
| } |
| |
| if (4 == evt_len && ocf != op_subcode) |
| { |
| BTM_TRACE_ERROR("btm_ble_scan_pf_cmpl_cback:4-Incorrect opcode: %d, %d, %d, %d, %d", |
| ocf, op_subcode, action, status, ref_value); |
| return; |
| } |
| |
| STREAM_TO_UINT8(num_avail, p); |
| switch (op_subcode) |
| { |
| case BTM_BLE_META_PF_ADDR: |
| case BTM_BLE_META_PF_UUID: |
| case BTM_BLE_META_PF_SOL_UUID: |
| case BTM_BLE_META_PF_LOCAL_NAME: |
| case BTM_BLE_META_PF_MANU_DATA: |
| case BTM_BLE_META_PF_SRVC_DATA: |
| cond_type = btm_ble_ocf_to_condtype(ocf); |
| BTM_TRACE_DEBUG("btm_ble_scan_pf_cmpl_cback Recd: %d, %d, %d, %d, %d, %d", op_subcode, |
| ocf, action, status, ref_value, num_avail); |
| if (HCI_SUCCESS == status) |
| { |
| if (memcmp(&btm_ble_adv_filt_cb.cur_filter_target.bda, &na_bda, BD_ADDR_LEN) == 0) |
| btm_ble_cs_update_pf_counter(action, cond_type, NULL, num_avail); |
| else |
| btm_ble_cs_update_pf_counter(action, cond_type, |
| &btm_ble_adv_filt_cb.cur_filter_target, num_avail); |
| } |
| |
| /* send ADV PF operation complete */ |
| btm_ble_adv_filt_cb.op_type = 0; |
| break; |
| |
| case BTM_BLE_META_PF_FEAT_SEL: |
| BTM_TRACE_DEBUG("btm_ble_scan_pf_cmpl_cback-Feat sel event: %d, %d, %d, %d", |
| action, status, ref_value, num_avail); |
| break; |
| |
| default: |
| BTM_TRACE_ERROR("btm_ble_scan_pf_cmpl_cback: unknown operation: %d", op_subcode); |
| break; |
| } |
| |
| switch(cb_evt) |
| { |
| BTM_TRACE_DEBUG("btm_ble_scan_pf_cmpl_cback: calling the cback: %d", cb_evt); |
| case BTM_BLE_FILT_CFG: |
| if(NULL != p_scan_cfg_cback) |
| p_scan_cfg_cback(action, cond_type, num_avail, status, ref_value); |
| break; |
| case BTM_BLE_FILT_ADV_PARAM: |
| if(NULL != p_filt_param_cback) |
| p_filt_param_cback(action, num_avail, ref_value, status); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_find_addr_filter_counter |
| ** |
| ** Description find the per bd address ADV payload filter counter by BD_ADDR. |
| ** |
| ** Returns pointer to the counter if found; NULL otherwise. |
| ** |
| *******************************************************************************/ |
| tBTM_BLE_PF_COUNT* btm_ble_find_addr_filter_counter(tBLE_BD_ADDR *p_le_bda) |
| { |
| UINT8 i; |
| tBTM_BLE_PF_COUNT *p_addr_filter = &btm_ble_adv_filt_cb.p_addr_filter_count[1]; |
| |
| if (p_le_bda == NULL) |
| return &btm_ble_adv_filt_cb.p_addr_filter_count[0]; |
| |
| for (i = 0; i < cmn_ble_vsc_cb.max_filter; i ++, p_addr_filter ++) |
| { |
| if (p_addr_filter->in_use && |
| memcmp(p_le_bda->bda, p_addr_filter->bd_addr, BD_ADDR_LEN) == 0) |
| { |
| return p_addr_filter; |
| } |
| } |
| return NULL; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_alloc_addr_filter_counter |
| ** |
| ** Description allocate the per device adv payload filter counter. |
| ** |
| ** Returns pointer to the counter if allocation succeed; NULL otherwise. |
| ** |
| *******************************************************************************/ |
| tBTM_BLE_PF_COUNT * btm_ble_alloc_addr_filter_counter(BD_ADDR bd_addr) |
| { |
| UINT8 i; |
| tBTM_BLE_PF_COUNT *p_addr_filter = &btm_ble_adv_filt_cb.p_addr_filter_count[1]; |
| |
| for (i = 0; i < cmn_ble_vsc_cb.max_filter; i ++, p_addr_filter ++) |
| { |
| if (memcmp(na_bda, p_addr_filter->bd_addr, BD_ADDR_LEN) == 0) |
| { |
| memcpy(p_addr_filter->bd_addr, bd_addr, BD_ADDR_LEN); |
| p_addr_filter->in_use = TRUE; |
| return p_addr_filter; |
| } |
| } |
| return NULL; |
| } |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_dealloc_addr_filter_counter |
| ** |
| ** Description de-allocate the per device adv payload filter counter. |
| ** |
| ** Returns TRUE if deallocation succeed; FALSE otherwise. |
| ** |
| *******************************************************************************/ |
| BOOLEAN btm_ble_dealloc_addr_filter_counter(tBLE_BD_ADDR *p_bd_addr, UINT8 filter_type) |
| { |
| UINT8 i; |
| tBTM_BLE_PF_COUNT *p_addr_filter = &btm_ble_adv_filt_cb.p_addr_filter_count[1]; |
| BOOLEAN found = FALSE; |
| |
| if (BTM_BLE_PF_TYPE_ALL == filter_type && NULL == p_bd_addr) |
| memset(&btm_ble_adv_filt_cb.p_addr_filter_count[0], 0, sizeof(tBTM_BLE_PF_COUNT)); |
| |
| for (i = 0; i < cmn_ble_vsc_cb.max_filter; i ++, p_addr_filter ++) |
| { |
| if ((p_addr_filter->in_use) && (NULL == p_bd_addr || |
| (NULL != p_bd_addr && |
| memcmp(p_bd_addr->bda, p_addr_filter->bd_addr, BD_ADDR_LEN) == 0))) |
| { |
| found = TRUE; |
| memset(p_addr_filter, 0, sizeof(tBTM_BLE_PF_COUNT)); |
| |
| if (NULL != p_bd_addr) break; |
| } |
| } |
| return found; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_update_pf_local_name |
| ** |
| ** Description this function update(add,delete or clear) the adv lcoal name filtering condition. |
| ** |
| ** |
| ** Returns BTM_SUCCESS if sucessful, |
| ** BTM_ILLEGAL_VALUE if paramter is not valid. |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS btm_ble_update_pf_local_name(tBTM_BLE_SCAN_COND_OP action, |
| tBTM_BLE_PF_FILT_INDEX filt_index, |
| tBTM_BLE_PF_COND_PARAM *p_cond) |
| { |
| tBTM_BLE_PF_LOCAL_NAME_COND *p_local_name = (p_cond == NULL) ? NULL : &p_cond->local_name; |
| UINT8 param[BTM_BLE_PF_STR_LEN_MAX + BTM_BLE_ADV_FILT_META_HDR_LENGTH], |
| *p = param, |
| len = BTM_BLE_ADV_FILT_META_HDR_LENGTH; |
| tBTM_STATUS st = BTM_ILLEGAL_VALUE; |
| |
| memset(param, 0, BTM_BLE_PF_STR_LEN_MAX + BTM_BLE_ADV_FILT_META_HDR_LENGTH); |
| |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_LOCAL_NAME); |
| UINT8_TO_STREAM(p, action); |
| |
| /* Filter index */ |
| UINT8_TO_STREAM(p, filt_index); |
| |
| if (BTM_BLE_SCAN_COND_ADD == action || |
| BTM_BLE_SCAN_COND_DELETE == action) |
| { |
| if (NULL == p_local_name) |
| return st; |
| |
| if (p_local_name->data_len > BTM_BLE_PF_STR_LEN_MAX) |
| p_local_name->data_len = BTM_BLE_PF_STR_LEN_MAX; |
| |
| ARRAY_TO_STREAM(p, p_local_name->p_data, p_local_name->data_len); |
| len += p_local_name->data_len; |
| } |
| |
| /* send local name filter */ |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| len, |
| param, |
| btm_ble_scan_pf_cmpl_cback)) |
| != BTM_NO_RESOURCES) |
| { |
| memset(&btm_ble_adv_filt_cb.cur_filter_target, 0, sizeof(tBLE_BD_ADDR)); |
| } |
| else |
| { |
| BTM_TRACE_ERROR("Local Name PF filter update failed"); |
| } |
| |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_update_srvc_data_change |
| ** |
| ** Description this function update(add/remove) service data change filter. |
| ** |
| ** |
| ** Returns BTM_SUCCESS if sucessful, |
| ** BTM_ILLEGAL_VALUE if paramter is not valid. |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS btm_ble_update_srvc_data_change(tBTM_BLE_SCAN_COND_OP action, |
| tBTM_BLE_PF_FILT_INDEX filt_index, |
| tBTM_BLE_PF_COND_PARAM *p_cond) |
| { |
| tBTM_STATUS st = BTM_ILLEGAL_VALUE; |
| tBLE_BD_ADDR *p_bd_addr = p_cond ? &p_cond->target_addr : NULL; |
| UINT8 num_avail = (action == BTM_BLE_SCAN_COND_ADD) ? 0 : 1; |
| |
| if (btm_ble_cs_update_pf_counter (action, BTM_BLE_PF_SRVC_DATA, p_bd_addr, num_avail) |
| != BTM_BLE_INVALID_COUNTER) |
| st = BTM_SUCCESS; |
| |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_update_pf_manu_data |
| ** |
| ** Description this function update(add,delete or clear) the adv manufacturer |
| ** data filtering condition. |
| ** |
| ** |
| ** Returns BTM_SUCCESS if sucessful, |
| ** BTM_ILLEGAL_VALUE if paramter is not valid. |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS btm_ble_update_pf_manu_data(tBTM_BLE_SCAN_COND_OP action, |
| tBTM_BLE_PF_FILT_INDEX filt_index, |
| tBTM_BLE_PF_COND_PARAM *p_data, |
| tBTM_BLE_PF_COND_TYPE cond_type, |
| tBTM_BLE_FILT_CB_EVT cb_evt, |
| tBTM_BLE_REF_VALUE ref_value) |
| { |
| tBTM_BLE_PF_MANU_COND *p_manu_data = (p_data == NULL) ? NULL : &p_data->manu_data; |
| tBTM_BLE_PF_SRVC_PATTERN_COND *p_srvc_data = (p_data == NULL) ? NULL : &p_data->srvc_data; |
| |
| UINT8 param[BTM_BLE_PF_STR_LEN_MAX + BTM_BLE_PF_STR_LEN_MAX + BTM_BLE_ADV_FILT_META_HDR_LENGTH], |
| *p = param, |
| len = BTM_BLE_ADV_FILT_META_HDR_LENGTH; |
| tBTM_STATUS st = BTM_ILLEGAL_VALUE; |
| |
| if (NULL == p_data) |
| return st; |
| |
| memset(param, 0, BTM_BLE_PF_STR_LEN_MAX + BTM_BLE_PF_STR_LEN_MAX |
| + BTM_BLE_ADV_FILT_META_HDR_LENGTH); |
| |
| if (BTM_BLE_PF_SRVC_DATA_PATTERN == cond_type) |
| { |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_SRVC_DATA); |
| } |
| else |
| { |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_MANU_DATA); |
| } |
| |
| UINT8_TO_STREAM(p, action); |
| |
| /* Filter index */ |
| UINT8_TO_STREAM(p, filt_index); |
| |
| if (BTM_BLE_SCAN_COND_ADD == action || BTM_BLE_SCAN_COND_DELETE == action) |
| { |
| if (BTM_BLE_PF_SRVC_DATA_PATTERN == cond_type) |
| { |
| if (NULL == p_srvc_data) |
| return st; |
| if (p_srvc_data->data_len > (BTM_BLE_PF_STR_LEN_MAX - 2)) |
| p_srvc_data->data_len = (BTM_BLE_PF_STR_LEN_MAX - 2); |
| |
| if (p_srvc_data->data_len > 0) |
| { |
| ARRAY_TO_STREAM(p, p_srvc_data->p_pattern, p_srvc_data->data_len); |
| len += (p_srvc_data->data_len); |
| ARRAY_TO_STREAM(p, p_srvc_data->p_pattern_mask, p_srvc_data->data_len); |
| } |
| |
| len += (p_srvc_data->data_len); |
| BTM_TRACE_DEBUG("Service data length: %d", len); |
| } |
| else |
| { |
| if (NULL == p_manu_data) |
| { |
| BTM_TRACE_ERROR("btm_ble_update_pf_manu_data - No manuf data"); |
| return st; |
| } |
| BTM_TRACE_EVENT("btm_ble_update_pf_manu_data length: %d", |
| p_manu_data->data_len); |
| if (p_manu_data->data_len > (BTM_BLE_PF_STR_LEN_MAX - 2)) |
| p_manu_data->data_len = (BTM_BLE_PF_STR_LEN_MAX - 2); |
| |
| UINT16_TO_STREAM(p, p_manu_data->company_id); |
| if (p_manu_data->data_len > 0 && p_manu_data->p_pattern_mask != NULL) |
| { |
| ARRAY_TO_STREAM(p, p_manu_data->p_pattern, p_manu_data->data_len); |
| len += (p_manu_data->data_len + 2); |
| } |
| else |
| len += 2; |
| |
| if (p_manu_data->company_id_mask != 0) |
| { |
| UINT16_TO_STREAM (p, p_manu_data->company_id_mask); |
| } |
| else |
| { |
| memset(p, 0xff, 2); |
| p += 2; |
| } |
| len += 2; |
| |
| if (p_manu_data->data_len > 0 && p_manu_data->p_pattern_mask != NULL) |
| { |
| ARRAY_TO_STREAM(p, p_manu_data->p_pattern_mask, p_manu_data->data_len); |
| len += (p_manu_data->data_len); |
| } |
| |
| BTM_TRACE_DEBUG("Manuf data length: %d", len); |
| } |
| } |
| |
| /* send manufacturer*/ |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| len, |
| param, |
| btm_ble_scan_pf_cmpl_cback)) != BTM_NO_RESOURCES) |
| { |
| memset(&btm_ble_adv_filt_cb.cur_filter_target, 0, sizeof(tBLE_BD_ADDR)); |
| } |
| else |
| { |
| BTM_TRACE_ERROR("manufacturer data PF filter update failed"); |
| } |
| |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_cs_update_pf_counter |
| ** |
| ** Description this function is to update the adv data payload filter counter |
| ** |
| ** Returns current number of the counter; BTM_BLE_INVALID_COUNTER if |
| ** counter update failed. |
| ** |
| *******************************************************************************/ |
| UINT8 btm_ble_cs_update_pf_counter(tBTM_BLE_SCAN_COND_OP action, |
| UINT8 cond_type, tBLE_BD_ADDR *p_bd_addr, |
| UINT8 num_available) |
| { |
| tBTM_BLE_PF_COUNT *p_addr_filter = NULL; |
| UINT8 *p_counter = NULL; |
| |
| btm_ble_obtain_vsc_details(); |
| |
| if (cond_type > BTM_BLE_PF_TYPE_ALL) |
| { |
| BTM_TRACE_ERROR("unknown PF filter condition type %d", cond_type); |
| return BTM_BLE_INVALID_COUNTER; |
| } |
| |
| /* for these three types of filter, always generic */ |
| if (BTM_BLE_PF_ADDR_FILTER == cond_type || |
| BTM_BLE_PF_MANU_DATA == cond_type || |
| BTM_BLE_PF_LOCAL_NAME == cond_type || |
| BTM_BLE_PF_SRVC_DATA_PATTERN == cond_type) |
| p_bd_addr = NULL; |
| |
| if ((p_addr_filter = btm_ble_find_addr_filter_counter(p_bd_addr)) == NULL && |
| BTM_BLE_SCAN_COND_ADD == action) |
| { |
| p_addr_filter = btm_ble_alloc_addr_filter_counter(p_bd_addr->bda); |
| } |
| |
| if (NULL != p_addr_filter) |
| { |
| /* all filter just cleared */ |
| if ((BTM_BLE_PF_TYPE_ALL == cond_type && BTM_BLE_SCAN_COND_CLEAR == action) || |
| /* or bd address filter been deleted */ |
| (BTM_BLE_PF_ADDR_FILTER == cond_type && |
| (BTM_BLE_SCAN_COND_DELETE == action || BTM_BLE_SCAN_COND_CLEAR == action))) |
| { |
| btm_ble_dealloc_addr_filter_counter(p_bd_addr, cond_type); |
| } |
| /* if not feature selection, update new addition/reduction of the filter counter */ |
| else if (cond_type != BTM_BLE_PF_TYPE_ALL) |
| { |
| p_counter = p_addr_filter->pf_counter; |
| if (num_available > 0) |
| p_counter[cond_type] += 1; |
| |
| BTM_TRACE_DEBUG("counter = %d, maxfilt = %d, num_avbl=%d", |
| p_counter[cond_type], cmn_ble_vsc_cb.max_filter, num_available); |
| return p_counter[cond_type]; |
| } |
| } |
| else |
| { |
| BTM_TRACE_ERROR("no matching filter counter found"); |
| } |
| /* no matching filter located and updated */ |
| return BTM_BLE_INVALID_COUNTER; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_update_addr_filter |
| ** |
| ** Description this function update(add,delete or clear) the address filter of adv. |
| ** |
| ** |
| ** Returns BTM_SUCCESS if sucessful, |
| ** BTM_ILLEGAL_VALUE if paramter is not valid. |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS btm_ble_update_addr_filter(tBTM_BLE_SCAN_COND_OP action, |
| tBTM_BLE_PF_FILT_INDEX filt_index, |
| tBTM_BLE_PF_COND_PARAM *p_cond) |
| { |
| UINT8 param[BTM_BLE_META_ADDR_LEN + BTM_BLE_ADV_FILT_META_HDR_LENGTH], |
| * p= param; |
| tBTM_STATUS st = BTM_ILLEGAL_VALUE; |
| tBLE_BD_ADDR *p_addr = (p_cond == NULL) ? NULL : &p_cond->target_addr; |
| |
| memset(param, 0, BTM_BLE_META_ADDR_LEN + BTM_BLE_ADV_FILT_META_HDR_LENGTH); |
| |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_ADDR); |
| UINT8_TO_STREAM(p, action); |
| |
| /* Filter index */ |
| UINT8_TO_STREAM(p, filt_index); |
| |
| if (BTM_BLE_SCAN_COND_ADD == action || |
| BTM_BLE_SCAN_COND_DELETE == action) |
| { |
| if (NULL == p_addr) |
| return st; |
| |
| BDADDR_TO_STREAM(p, p_addr->bda); |
| UINT8_TO_STREAM(p, p_addr->type); |
| } |
| /* send address filter */ |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| (UINT8)(BTM_BLE_ADV_FILT_META_HDR_LENGTH + BTM_BLE_META_ADDR_LEN), |
| param, |
| btm_ble_scan_pf_cmpl_cback)) != BTM_NO_RESOURCES) |
| { |
| memset(&btm_ble_adv_filt_cb.cur_filter_target, 0, sizeof(tBLE_BD_ADDR)); |
| } |
| else |
| { |
| BTM_TRACE_ERROR("Broadcaster Address Filter Update failed"); |
| } |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_update_uuid_filter |
| ** |
| ** Description this function update(add,delete or clear) service UUID filter. |
| ** |
| ** |
| ** Returns BTM_SUCCESS if sucessful, |
| ** BTM_ILLEGAL_VALUE if paramter is not valid. |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS btm_ble_update_uuid_filter(tBTM_BLE_SCAN_COND_OP action, |
| tBTM_BLE_PF_FILT_INDEX filt_index, |
| tBTM_BLE_PF_COND_TYPE filter_type, |
| tBTM_BLE_PF_COND_PARAM *p_cond, |
| tBTM_BLE_FILT_CB_EVT cb_evt, |
| tBTM_BLE_REF_VALUE ref_value) |
| { |
| UINT8 param[BTM_BLE_META_UUID_LEN + BTM_BLE_ADV_FILT_META_HDR_LENGTH], |
| * p= param, |
| len = BTM_BLE_ADV_FILT_META_HDR_LENGTH; |
| tBTM_STATUS st = BTM_ILLEGAL_VALUE; |
| tBTM_BLE_PF_UUID_COND *p_uuid_cond; |
| UINT8 evt_type; |
| |
| memset(param, 0, BTM_BLE_META_UUID_LEN + BTM_BLE_ADV_FILT_META_HDR_LENGTH); |
| |
| if (BTM_BLE_PF_SRVC_UUID == filter_type) |
| { |
| evt_type = BTM_BLE_META_PF_UUID; |
| p_uuid_cond = p_cond ? &p_cond->srvc_uuid : NULL; |
| } |
| else |
| { |
| evt_type = BTM_BLE_META_PF_SOL_UUID; |
| p_uuid_cond = p_cond ? &p_cond->solicitate_uuid : NULL; |
| } |
| |
| if (NULL == p_uuid_cond && action != BTM_BLE_SCAN_COND_CLEAR) |
| { |
| BTM_TRACE_ERROR("Illegal param for add/delete UUID filter"); |
| return st; |
| } |
| |
| /* need to add address filter first, if adding per bda UUID filter without address filter */ |
| if (BTM_BLE_SCAN_COND_ADD == action && NULL != p_uuid_cond && |
| p_uuid_cond->p_target_addr && |
| btm_ble_find_addr_filter_counter(p_uuid_cond->p_target_addr) == NULL) |
| { |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_ADDR); |
| UINT8_TO_STREAM(p, action); |
| |
| /* Filter index */ |
| UINT8_TO_STREAM(p, filt_index); |
| |
| BDADDR_TO_STREAM(p, p_uuid_cond->p_target_addr->bda); |
| UINT8_TO_STREAM(p, p_uuid_cond->p_target_addr->type); |
| |
| /* send address filter */ |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| (UINT8)(BTM_BLE_ADV_FILT_META_HDR_LENGTH + BTM_BLE_META_ADDR_LEN), |
| param, |
| btm_ble_scan_pf_cmpl_cback)) == BTM_NO_RESOURCES) |
| { |
| BTM_TRACE_ERROR("Update Address filter into controller failed."); |
| return st; |
| } |
| |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_ADDR, cb_evt, ref_value, NULL, NULL); |
| BTM_TRACE_DEBUG("Updated Address filter"); |
| } |
| |
| p = param; |
| UINT8_TO_STREAM(p, evt_type); |
| UINT8_TO_STREAM(p, action); |
| |
| /* Filter index */ |
| UINT8_TO_STREAM(p, filt_index); |
| |
| if ((BTM_BLE_SCAN_COND_ADD == action || |
| BTM_BLE_SCAN_COND_DELETE == action) && |
| NULL != p_uuid_cond) |
| { |
| if (p_uuid_cond->uuid.len == LEN_UUID_16) |
| { |
| UINT16_TO_STREAM(p, p_uuid_cond->uuid.uu.uuid16); |
| len += LEN_UUID_16; |
| } |
| else if (p_uuid_cond->uuid.len == LEN_UUID_32)/*4 bytes */ |
| { |
| UINT32_TO_STREAM(p, p_uuid_cond->uuid.uu.uuid32); |
| len += LEN_UUID_32; |
| } |
| else if (p_uuid_cond->uuid.len == LEN_UUID_128) |
| { |
| ARRAY_TO_STREAM (p, p_uuid_cond->uuid.uu.uuid128, LEN_UUID_128); |
| len += LEN_UUID_128; |
| } |
| else |
| { |
| BTM_TRACE_ERROR("illegal UUID length: %d", p_uuid_cond->uuid.len); |
| return BTM_ILLEGAL_VALUE; |
| } |
| |
| if (NULL != p_uuid_cond->p_uuid_mask) |
| { |
| if (p_uuid_cond->uuid.len == LEN_UUID_16) |
| { |
| UINT16_TO_STREAM(p, p_uuid_cond->p_uuid_mask->uuid16_mask); |
| len += LEN_UUID_16; |
| } |
| else if (p_uuid_cond->uuid.len == LEN_UUID_32)/*4 bytes */ |
| { |
| UINT32_TO_STREAM(p, p_uuid_cond->p_uuid_mask->uuid32_mask); |
| len += LEN_UUID_32; |
| } |
| else if (p_uuid_cond->uuid.len == LEN_UUID_128) |
| { |
| ARRAY_TO_STREAM (p, p_uuid_cond->p_uuid_mask->uuid128_mask, LEN_UUID_128); |
| len += LEN_UUID_128; |
| } |
| } |
| else |
| { |
| memset(p, 0xff, p_uuid_cond->uuid.len); |
| len += p_uuid_cond->uuid.len; |
| } |
| BTM_TRACE_DEBUG("btm_ble_update_uuid_filter : %d, %d, %d, %d", filter_type, evt_type, |
| p_uuid_cond->uuid.len, len); |
| } |
| |
| /* send UUID filter update */ |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| len, |
| param, |
| btm_ble_scan_pf_cmpl_cback)) != BTM_NO_RESOURCES) |
| { |
| if (p_uuid_cond && p_uuid_cond->p_target_addr) |
| memcpy(&btm_ble_adv_filt_cb.cur_filter_target, p_uuid_cond->p_target_addr, |
| sizeof(tBLE_BD_ADDR)); |
| else |
| memset(&btm_ble_adv_filt_cb.cur_filter_target, 0, sizeof(tBLE_BD_ADDR)); |
| } |
| else |
| { |
| BTM_TRACE_ERROR("UUID filter udpating failed"); |
| } |
| |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_clear_scan_pf_filter |
| ** |
| ** Description clear all adv payload filter by de-select all the adv pf feature bits |
| ** |
| ** |
| ** Returns BTM_SUCCESS if sucessful, |
| ** BTM_ILLEGAL_VALUE if paramter is not valid. |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS btm_ble_clear_scan_pf_filter(tBTM_BLE_SCAN_COND_OP action, |
| tBTM_BLE_PF_FILT_INDEX filt_index, |
| tBTM_BLE_PF_COND_PARAM *p_cond, |
| tBTM_BLE_PF_CFG_CBACK *p_cmpl_cback, |
| tBTM_BLE_FILT_CB_EVT cb_evt, |
| tBTM_BLE_REF_VALUE ref_value) |
| { |
| tBLE_BD_ADDR *p_target = (p_cond == NULL)? NULL : &p_cond->target_addr; |
| tBTM_BLE_PF_COUNT *p_bda_filter; |
| tBTM_STATUS st = BTM_WRONG_MODE; |
| UINT8 param[20], *p; |
| |
| if (BTM_BLE_SCAN_COND_CLEAR != action) |
| { |
| BTM_TRACE_ERROR("unable to perform action:%d for generic adv filter type", action); |
| return BTM_ILLEGAL_VALUE; |
| } |
| |
| p = param; |
| memset(param, 0, 20); |
| |
| p_bda_filter = btm_ble_find_addr_filter_counter(p_target); |
| |
| if (NULL == p_bda_filter || |
| /* not a generic filter */ |
| (p_target != NULL && p_bda_filter)) |
| { |
| BTM_TRACE_ERROR("Error: Can not clear filter, No PF filter has been configured!"); |
| return st; |
| } |
| |
| /* clear the general filter entry */ |
| if (NULL == p_target) |
| { |
| /* clear manufactuer data filter */ |
| st = btm_ble_update_pf_manu_data(BTM_BLE_SCAN_COND_CLEAR, filt_index, NULL, |
| BTM_BLE_PF_MANU_DATA, cb_evt, ref_value); |
| if(BTM_CMD_STARTED == st) |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_MANU_DATA, cb_evt, |
| ref_value, NULL, NULL); |
| |
| /* clear local name filter */ |
| st = btm_ble_update_pf_local_name(BTM_BLE_SCAN_COND_CLEAR, filt_index, NULL); |
| if(BTM_CMD_STARTED == st) |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_LOCAL_NAME, cb_evt, |
| ref_value, NULL, NULL); |
| |
| /* update the counter for service data */ |
| st = btm_ble_update_srvc_data_change(BTM_BLE_SCAN_COND_CLEAR, filt_index, NULL); |
| |
| /* clear UUID filter */ |
| st = btm_ble_update_uuid_filter(BTM_BLE_SCAN_COND_CLEAR, filt_index, |
| BTM_BLE_PF_SRVC_UUID, NULL, cb_evt, ref_value); |
| if(BTM_CMD_STARTED == st) |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_UUID, cb_evt, ref_value, NULL, NULL); |
| |
| st = btm_ble_update_uuid_filter(BTM_BLE_SCAN_COND_CLEAR, filt_index, |
| BTM_BLE_PF_SRVC_SOL_UUID, NULL, cb_evt, ref_value); |
| if(BTM_CMD_STARTED == st) |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_SOL_UUID, cb_evt, |
| ref_value, NULL, NULL); |
| |
| /* clear service data filter */ |
| st = btm_ble_update_pf_manu_data(BTM_BLE_SCAN_COND_CLEAR, filt_index, NULL, |
| BTM_BLE_PF_SRVC_DATA_PATTERN, cb_evt, ref_value); |
| if(BTM_CMD_STARTED == st) |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_SRVC_DATA, cb_evt, |
| ref_value, NULL, NULL); |
| } |
| |
| /* select feature based on control block settings */ |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_FEAT_SEL); |
| UINT8_TO_STREAM(p, BTM_BLE_SCAN_COND_CLEAR); |
| |
| /* Filter index */ |
| UINT8_TO_STREAM(p, filt_index); |
| |
| /* set PCF selection */ |
| UINT32_TO_STREAM(p, BTM_BLE_PF_SELECT_NONE); |
| /* set logic condition as OR as default */ |
| UINT8_TO_STREAM(p, BTM_BLE_PF_LOGIC_OR); |
| |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| (UINT8)(BTM_BLE_ADV_FILT_META_HDR_LENGTH + BTM_BLE_PF_FEAT_SEL_LEN), |
| param, |
| btm_ble_scan_pf_cmpl_cback)) |
| != BTM_NO_RESOURCES) |
| { |
| if (p_target) |
| memcpy(&btm_ble_adv_filt_cb.cur_filter_target, p_target, sizeof(tBLE_BD_ADDR)); |
| else |
| memset(&btm_ble_adv_filt_cb.cur_filter_target, 0, sizeof(tBLE_BD_ADDR)); |
| } |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTM_BleAdvFilterParamSetup |
| ** |
| ** Description This function is called to setup the adv data payload filter |
| ** condition. |
| ** |
| ** Parameters action - Type of action to be performed |
| ** filt_index - Filter index |
| ** p_filt_params - Filter parameters |
| ** p_target - Target device |
| ** p_cmpl_back - Callback pointer |
| ** ref_value - reference value |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS BTM_BleAdvFilterParamSetup(int action, tBTM_BLE_PF_FILT_INDEX filt_index, |
| tBTM_BLE_PF_FILT_PARAMS *p_filt_params, |
| tBLE_BD_ADDR *p_target, tBTM_BLE_PF_PARAM_CBACK *p_cmpl_cback, |
| tBTM_BLE_REF_VALUE ref_value) |
| { |
| tBTM_STATUS st = BTM_WRONG_MODE; |
| tBTM_BLE_PF_COUNT *p_bda_filter = NULL; |
| UINT8 len = BTM_BLE_ADV_FILT_META_HDR_LENGTH + BTM_BLE_ADV_FILT_FEAT_SELN_LEN + |
| BTM_BLE_ADV_FILT_TRACK_NUM; |
| UINT8 param[len], *p; |
| |
| if (BTM_SUCCESS != btm_ble_obtain_vsc_details()) |
| return st; |
| |
| p = param; |
| memset(param, 0, len); |
| BTM_TRACE_EVENT (" BTM_BleAdvFilterParamSetup"); |
| |
| if (BTM_BLE_SCAN_COND_ADD == action) |
| { |
| p_bda_filter = btm_ble_find_addr_filter_counter(p_target); |
| if (NULL == p_bda_filter) |
| { |
| BTM_TRACE_ERROR("BD Address not found!"); |
| return st; |
| } |
| |
| BTM_TRACE_DEBUG("BTM_BleAdvFilterParamSetup : Feat mask:%d", p_filt_params->feat_seln); |
| /* select feature based on control block settings */ |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_FEAT_SEL); |
| UINT8_TO_STREAM(p, BTM_BLE_SCAN_COND_ADD); |
| |
| /* Filter index */ |
| UINT8_TO_STREAM(p, filt_index); |
| |
| /* set PCF selection */ |
| UINT16_TO_STREAM(p, p_filt_params->feat_seln); |
| /* set logic type */ |
| UINT16_TO_STREAM(p, p_filt_params->logic_type); |
| /* set logic condition */ |
| UINT8_TO_STREAM(p, p_filt_params->filt_logic_type); |
| /* set RSSI high threshold */ |
| UINT8_TO_STREAM(p, p_filt_params->rssi_high_thres); |
| /* set delivery mode */ |
| UINT8_TO_STREAM(p, p_filt_params->dely_mode); |
| |
| if (0x01 == p_filt_params->dely_mode) |
| { |
| /* set onfound timeout */ |
| UINT16_TO_STREAM(p, p_filt_params->found_timeout); |
| /* set onfound timeout count*/ |
| UINT8_TO_STREAM(p, p_filt_params->found_timeout_cnt); |
| /* set RSSI low threshold */ |
| UINT8_TO_STREAM(p, p_filt_params->rssi_low_thres); |
| /* set onlost timeout */ |
| UINT16_TO_STREAM(p, p_filt_params->lost_timeout); |
| /* set num_of_track_entries for firmware greater than L-release version */ |
| if (cmn_ble_vsc_cb.version_supported > BTM_VSC_CHIP_CAPABILITY_L_VERSION) |
| UINT16_TO_STREAM(p, p_filt_params->num_of_tracking_entries); |
| } |
| |
| if (cmn_ble_vsc_cb.version_supported == BTM_VSC_CHIP_CAPABILITY_L_VERSION) |
| len = BTM_BLE_ADV_FILT_META_HDR_LENGTH + BTM_BLE_ADV_FILT_FEAT_SELN_LEN; |
| else |
| len = BTM_BLE_ADV_FILT_META_HDR_LENGTH + BTM_BLE_ADV_FILT_FEAT_SELN_LEN + |
| BTM_BLE_ADV_FILT_TRACK_NUM; |
| |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| (UINT8)len, |
| param, |
| btm_ble_scan_pf_cmpl_cback)) |
| == BTM_NO_RESOURCES) |
| { |
| return st; |
| } |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_FEAT_SEL, BTM_BLE_FILT_ADV_PARAM, |
| ref_value, NULL, p_cmpl_cback); |
| } |
| else |
| if (BTM_BLE_SCAN_COND_DELETE == action) |
| { |
| /* select feature based on control block settings */ |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_FEAT_SEL); |
| UINT8_TO_STREAM(p, BTM_BLE_SCAN_COND_DELETE); |
| /* Filter index */ |
| UINT8_TO_STREAM(p, filt_index); |
| |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| (UINT8)(BTM_BLE_ADV_FILT_META_HDR_LENGTH), |
| param, |
| btm_ble_scan_pf_cmpl_cback)) |
| == BTM_NO_RESOURCES) |
| { |
| return st; |
| } |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_FEAT_SEL, BTM_BLE_FILT_ADV_PARAM, |
| ref_value, NULL, p_cmpl_cback); |
| } |
| else |
| if (BTM_BLE_SCAN_COND_CLEAR == action) |
| { |
| /* Deallocate all filters here */ |
| btm_ble_dealloc_addr_filter_counter(NULL, BTM_BLE_PF_TYPE_ALL); |
| |
| /* select feature based on control block settings */ |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_FEAT_SEL); |
| UINT8_TO_STREAM(p, BTM_BLE_SCAN_COND_CLEAR); |
| |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| (UINT8)(BTM_BLE_ADV_FILT_META_HDR_LENGTH-1), |
| param, |
| btm_ble_scan_pf_cmpl_cback)) |
| == BTM_NO_RESOURCES) |
| { |
| return st; |
| } |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_FEAT_SEL, BTM_BLE_FILT_ADV_PARAM, |
| ref_value, NULL, p_cmpl_cback); |
| } |
| |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTM_BleEnableDisableFilterFeature |
| ** |
| ** Description This function is called to enable / disable the APCF feature |
| ** |
| ** Parameters enable the generic scan condition. |
| ** enable: enable or disable the filter condition |
| ** p_stat_cback - Status callback pointer |
| ** ref_value - Ref value |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS BTM_BleEnableDisableFilterFeature(UINT8 enable, |
| tBTM_BLE_PF_STATUS_CBACK *p_stat_cback, |
| tBTM_BLE_REF_VALUE ref_value) |
| { |
| UINT8 param[20], *p; |
| tBTM_STATUS st = BTM_WRONG_MODE; |
| |
| if (BTM_SUCCESS != btm_ble_obtain_vsc_details()) |
| return st; |
| |
| p = param; |
| memset(param, 0, 20); |
| |
| /* enable the content filter in controller */ |
| p = param; |
| UINT8_TO_STREAM(p, BTM_BLE_META_PF_ENABLE); |
| /* enable adv data payload filtering */ |
| UINT8_TO_STREAM(p, enable); |
| |
| if ((st = BTM_VendorSpecificCommand (HCI_BLE_ADV_FILTER_OCF, |
| BTM_BLE_PCF_ENABLE_LEN, param, |
| btm_ble_scan_pf_cmpl_cback)) == BTM_CMD_STARTED) |
| { |
| btm_ble_adv_filt_cb.p_filt_stat_cback = p_stat_cback; |
| btm_ble_advfilt_enq_op_q(enable, BTM_BLE_META_PF_ENABLE, BTM_BLE_FILT_ENABLE_DISABLE, |
| ref_value, NULL, NULL); |
| } |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function BTM_BleCfgFilterCondition |
| ** |
| ** Description This function is called to configure the adv data payload filter |
| ** condition. |
| ** |
| ** Parameters action: to read/write/clear |
| ** cond_type: filter condition type. |
| ** filt_index - Filter index |
| ** p_cond: filter condition parameter |
| ** p_cmpl_cback - Config callback pointer |
| ** ref_value - Reference value |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| tBTM_STATUS BTM_BleCfgFilterCondition(tBTM_BLE_SCAN_COND_OP action, |
| tBTM_BLE_PF_COND_TYPE cond_type, |
| tBTM_BLE_PF_FILT_INDEX filt_index, |
| tBTM_BLE_PF_COND_PARAM *p_cond, |
| tBTM_BLE_PF_CFG_CBACK *p_cmpl_cback, |
| tBTM_BLE_REF_VALUE ref_value) |
| { |
| tBTM_STATUS st = BTM_ILLEGAL_VALUE; |
| UINT8 ocf = 0; |
| BTM_TRACE_EVENT (" BTM_BleCfgFilterCondition action:%d, cond_type:%d, index:%d", action, |
| cond_type, filt_index); |
| |
| if (BTM_SUCCESS != btm_ble_obtain_vsc_details()) |
| return st; |
| |
| switch (cond_type) |
| { |
| /* write service data filter */ |
| case BTM_BLE_PF_SRVC_DATA_PATTERN: |
| /* write manufacturer data filter */ |
| case BTM_BLE_PF_MANU_DATA: |
| st = btm_ble_update_pf_manu_data(action, filt_index, p_cond, cond_type, 0, ref_value); |
| break; |
| |
| /* write local name filter */ |
| case BTM_BLE_PF_LOCAL_NAME: |
| st = btm_ble_update_pf_local_name(action, filt_index, p_cond); |
| break; |
| |
| /* filter on advertiser address */ |
| case BTM_BLE_PF_ADDR_FILTER: |
| st = btm_ble_update_addr_filter(action, filt_index, p_cond); |
| break; |
| |
| /* filter on service/solicitated UUID */ |
| case BTM_BLE_PF_SRVC_UUID: |
| case BTM_BLE_PF_SRVC_SOL_UUID: |
| st = btm_ble_update_uuid_filter(action, filt_index, cond_type, p_cond, 0, ref_value); |
| break; |
| |
| case BTM_BLE_PF_SRVC_DATA: |
| st = btm_ble_update_srvc_data_change(action, filt_index, p_cond); |
| break; |
| |
| case BTM_BLE_PF_TYPE_ALL: /* only used to clear filter */ |
| st = btm_ble_clear_scan_pf_filter(action, filt_index, p_cond, p_cmpl_cback, |
| 0, ref_value); |
| break; |
| |
| default: |
| BTM_TRACE_WARNING("condition type [%d] not supported currently.", cond_type); |
| break; |
| } |
| |
| if(BTM_CMD_STARTED == st && cond_type != BTM_BLE_PF_TYPE_ALL) |
| { |
| ocf = btm_ble_condtype_to_ocf(cond_type); |
| btm_ble_advfilt_enq_op_q(action, ocf, BTM_BLE_FILT_CFG, ref_value, p_cmpl_cback, NULL); |
| } |
| else |
| if(BTM_CMD_STARTED == st && BTM_BLE_PF_TYPE_ALL == cond_type) |
| { |
| btm_ble_advfilt_enq_op_q(action, BTM_BLE_META_PF_FEAT_SEL, BTM_BLE_FILT_CFG, |
| ref_value, p_cmpl_cback, NULL); |
| } |
| return st; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_adv_filter_init |
| ** |
| ** Description This function initializes the adv filter control block |
| ** |
| ** Parameters |
| ** |
| ** Returns status |
| ** |
| *******************************************************************************/ |
| void btm_ble_adv_filter_init(void) |
| { |
| memset(&btm_ble_adv_filt_cb, 0, sizeof(tBTM_BLE_MULTI_ADV_CB)); |
| if (BTM_SUCCESS != btm_ble_obtain_vsc_details()) |
| return; |
| |
| if (cmn_ble_vsc_cb.max_filter > 0) |
| { |
| btm_ble_adv_filt_cb.p_addr_filter_count = |
| (tBTM_BLE_PF_COUNT*) GKI_getbuf( sizeof(tBTM_BLE_PF_COUNT) * cmn_ble_vsc_cb.max_filter); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btm_ble_adv_filter_cleanup |
| ** |
| ** Description This function de-initializes the adv filter control block |
| ** |
| ** Parameters |
| ** |
| ** Returns status |
| ** |
| *******************************************************************************/ |
| void btm_ble_adv_filter_cleanup(void) |
| { |
| if (btm_ble_adv_filt_cb.p_addr_filter_count) |
| GKI_freebuf (btm_ble_adv_filt_cb.p_addr_filter_count); |
| } |
| |
| #endif |
