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261 lines
9.3 KiB
261 lines
9.3 KiB
/******************************************************************************
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*
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* Copyright 2004-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This is the implementation file for data gateway call-in functions.
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*
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******************************************************************************/
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#include "bt_target.h" // Must be first to define build configuration
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#include "bta/pan/bta_pan_int.h"
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#include "osi/include/allocator.h"
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#include "types/raw_address.h"
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#if (BTA_PAN_INCLUDED == TRUE)
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/*******************************************************************************
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*
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* Function bta_pan_ci_tx_ready
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*
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* Description This function sends an event to PAN indicating the phone is
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* ready for more data and PAN should call
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* bta_pan_co_tx_path().
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* This function is used when the TX data path is configured
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* to use a pull interface.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_pan_ci_tx_ready(uint16_t handle) {
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BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
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p_buf->layer_specific = handle;
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p_buf->event = BTA_PAN_CI_TX_READY_EVT;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function bta_pan_ci_rx_ready
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*
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* Description This function sends an event to PAN indicating the phone
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* has data available to send to PAN and PAN should call
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* bta_pan_co_rx_path(). This function is used when the RX
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* data path is configured to use a pull interface.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_pan_ci_rx_ready(uint16_t handle) {
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BT_HDR_RIGID* p_buf = (BT_HDR_RIGID*)osi_malloc(sizeof(BT_HDR_RIGID));
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p_buf->layer_specific = handle;
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p_buf->event = BTA_PAN_CI_RX_READY_EVT;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function bta_pan_ci_tx_flow
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*
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* Description This function is called to enable or disable data flow on
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* the TX path. The phone should call this function to
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* disable data flow when it is congested and cannot handle
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* any more data sent by bta_pan_co_tx_write().
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* This function is used when the
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* TX data path is configured to use a push interface.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_pan_ci_tx_flow(uint16_t handle, bool enable) {
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tBTA_PAN_CI_TX_FLOW* p_buf =
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(tBTA_PAN_CI_TX_FLOW*)osi_malloc(sizeof(tBTA_PAN_CI_TX_FLOW));
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p_buf->hdr.layer_specific = handle;
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p_buf->hdr.event = BTA_PAN_CI_TX_FLOW_EVT;
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p_buf->enable = enable;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function bta_pan_ci_rx_write
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*
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* Description This function is called to send data to PAN when the RX path
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* is configured to use a push interface. The function copies
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* data to an event buffer and sends it to PAN.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_pan_ci_rx_write(uint16_t handle, const RawAddress& dst,
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const RawAddress& src, uint16_t protocol,
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uint8_t* p_data, uint16_t len, bool ext) {
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BT_HDR* p_buf = (BT_HDR*)osi_malloc(PAN_BUF_SIZE);
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p_buf->offset = PAN_MINIMUM_OFFSET;
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/* copy all other params before the data */
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((tBTA_PAN_DATA_PARAMS*)p_buf)->src = src;
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((tBTA_PAN_DATA_PARAMS*)p_buf)->dst = dst;
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((tBTA_PAN_DATA_PARAMS*)p_buf)->protocol = protocol;
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((tBTA_PAN_DATA_PARAMS*)p_buf)->ext = ext;
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p_buf->len = len;
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/* copy data */
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memcpy((uint8_t*)(p_buf + 1) + p_buf->offset, p_data, len);
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p_buf->layer_specific = handle;
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p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function bta_pan_ci_rx_writebuf
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*
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* Description This function is called to send data to the phone when
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* the RX path is configured to use a push interface with
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* zero copy. The function sends an event to PAN containing
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* the data buffer. The buffer will be freed by BTA; the
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* phone must not free the buffer.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_pan_ci_rx_writebuf(uint16_t handle, const RawAddress& dst,
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const RawAddress& src, uint16_t protocol,
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BT_HDR* p_buf, bool ext) {
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/* copy all other params before the data */
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((tBTA_PAN_DATA_PARAMS*)p_buf)->src = src;
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((tBTA_PAN_DATA_PARAMS*)p_buf)->dst = dst;
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((tBTA_PAN_DATA_PARAMS*)p_buf)->protocol = protocol;
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((tBTA_PAN_DATA_PARAMS*)p_buf)->ext = ext;
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p_buf->layer_specific = handle;
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p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function bta_pan_ci_readbuf
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*
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* Description
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*
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*
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* Returns void
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*
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******************************************************************************/
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BT_HDR* bta_pan_ci_readbuf(uint16_t handle, RawAddress& src, RawAddress& dst,
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uint16_t* p_protocol, bool* p_ext, bool* p_forward) {
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tBTA_PAN_SCB* p_scb = bta_pan_scb_by_handle(handle);
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BT_HDR* p_buf;
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if (p_scb == NULL) return NULL;
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p_buf = (BT_HDR*)fixed_queue_try_dequeue(p_scb->data_queue);
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if (p_buf != NULL) {
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src = ((tBTA_PAN_DATA_PARAMS*)p_buf)->src;
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dst = ((tBTA_PAN_DATA_PARAMS*)p_buf)->dst;
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*p_protocol = ((tBTA_PAN_DATA_PARAMS*)p_buf)->protocol;
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*p_ext = ((tBTA_PAN_DATA_PARAMS*)p_buf)->ext;
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*p_forward = ((tBTA_PAN_DATA_PARAMS*)p_buf)->forward;
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}
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return p_buf;
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}
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/*******************************************************************************
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*
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* Function bta_pan_ci_set_mfilters
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*
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* Description This function is called to set multicast filters
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_pan_ci_set_mfilters(uint16_t handle, uint16_t num_mcast_filters,
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uint8_t* p_start_array, uint8_t* p_end_array) {
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PAN_SetMulticastFilters(handle, num_mcast_filters, p_start_array,
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p_end_array);
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}
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/*******************************************************************************
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*
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* Function bta_pan_ci_set_mfilters
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*
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* Description This function is called to set protocol filters
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_pan_ci_set_pfilters(uint16_t handle, uint16_t num_filters,
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uint16_t* p_start_array, uint16_t* p_end_array) {
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PAN_SetProtocolFilters(handle, num_filters, p_start_array, p_end_array);
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}
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#else
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#include "osi/include/osi.h" // UNUSED_ATTR
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void bta_pan_ci_tx_ready(UNUSED_ATTR uint16_t handle) {}
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void bta_pan_ci_rx_ready(UNUSED_ATTR uint16_t handle) {}
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void bta_pan_ci_tx_flow(UNUSED_ATTR uint16_t handle, UNUSED_ATTR bool enable) {}
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void bta_pan_ci_rx_writebuf(UNUSED_ATTR uint16_t handle,
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UNUSED_ATTR const RawAddress& src,
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UNUSED_ATTR const RawAddress& dst,
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UNUSED_ATTR uint16_t protocol,
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UNUSED_ATTR BT_HDR* p_buf, UNUSED_ATTR bool ext) {}
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BT_HDR* bta_pan_ci_readbuf(UNUSED_ATTR uint16_t handle,
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UNUSED_ATTR RawAddress& src,
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UNUSED_ATTR RawAddress& dst,
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UNUSED_ATTR uint16_t* p_protocol,
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UNUSED_ATTR bool* p_ext,
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UNUSED_ATTR bool* p_forward) {
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return NULL;
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}
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void bta_pan_ci_set_pfilters(UNUSED_ATTR uint16_t handle,
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UNUSED_ATTR uint16_t num_filters,
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UNUSED_ATTR uint16_t* p_start_array,
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UNUSED_ATTR uint16_t* p_end_array) {}
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void bta_pan_ci_set_mfilters(UNUSED_ATTR uint16_t handle,
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UNUSED_ATTR uint16_t num_mcast_filters,
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UNUSED_ATTR uint8_t* p_start_array,
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UNUSED_ATTR uint8_t* p_end_array) {}
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#endif /* BTA_PAN_API */
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