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266 lines
9.3 KiB
266 lines
9.3 KiB
/****************************************************************************** |
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* |
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* Copyright (C) 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" |
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#include <string.h> |
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#include "bt_common.h" |
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#include "bt_utils.h" |
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#include "bta_api.h" |
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#include "bta_pan_api.h" |
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#include "bta_pan_ci.h" |
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#include "bta_pan_int.h" |
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#include "osi/include/osi.h" |
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#include "pan_api.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* 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_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() or |
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* bta_pan_co_tx_writebuf(). 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; |
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BT_HDR* p_buf; |
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p_scb = bta_pan_scb_by_handle(handle); |
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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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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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