/******************************************************************************
*
* Copyright (C) 2004-2012 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.
*
******************************************************************************/
/******************************************************************************
*
* This is the implementation file for data gateway call-in functions.
*
******************************************************************************/
#include "bt_target.h"
#if defined(BTA_PAN_INCLUDED) && (BTA_PAN_INCLUDED == TRUE)
#include <string.h>
#include "gki.h"
#include "pan_api.h"
#include "bd.h"
#include "bta_api.h"
#include "bta_pan_api.h"
#include "bta_pan_ci.h"
#include "bta_pan_int.h"
/*******************************************************************************
**
** Function bta_pan_ci_tx_ready
**
** Description This function sends an event to PAN indicating the phone is
** ready for more data and PAN should call bta_pan_co_tx_path().
** This function is used when the TX data path is configured
** to use a pull interface.
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_ci_tx_ready(UINT16 handle)
{
BT_HDR *p_buf;
if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
{
p_buf->layer_specific = handle;
p_buf->event = BTA_PAN_CI_TX_READY_EVT;
bta_sys_sendmsg(p_buf);
}
}
/*******************************************************************************
**
** Function bta_pan_ci_rx_ready
**
** Description This function sends an event to PAN indicating the phone
** has data available to send to PAN and PAN should call
** bta_pan_co_rx_path(). This function is used when the RX
** data path is configured to use a pull interface.
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_ci_rx_ready(UINT16 handle)
{
BT_HDR *p_buf;
if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
{
p_buf->layer_specific = handle;
p_buf->event = BTA_PAN_CI_RX_READY_EVT;
bta_sys_sendmsg(p_buf);
}
}
/*******************************************************************************
**
** Function bta_pan_ci_tx_flow
**
** Description This function is called to enable or disable data flow on
** the TX path. The phone should call this function to
** disable data flow when it is congested and cannot handle
** any more data sent by bta_pan_co_tx_write() or
** bta_pan_co_tx_writebuf(). This function is used when the
** TX data path is configured to use a push interface.
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_ci_tx_flow(UINT16 handle, BOOLEAN enable)
{
tBTA_PAN_CI_TX_FLOW *p_buf;
if ((p_buf = (tBTA_PAN_CI_TX_FLOW *) GKI_getbuf(sizeof(tBTA_PAN_CI_TX_FLOW))) != NULL)
{
p_buf->hdr.layer_specific = handle;
p_buf->hdr.event = BTA_PAN_CI_TX_FLOW_EVT;
p_buf->enable = enable;
bta_sys_sendmsg(p_buf);
}
}
/*******************************************************************************
**
** Function bta_pan_ci_rx_write
**
** Description This function is called to send data to PAN when the RX path
** is configured to use a push interface. The function copies
** data to an event buffer and sends it to PAN.
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_ci_rx_write(UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol,
UINT8 *p_data, UINT16 len, BOOLEAN ext)
{
BT_HDR * p_buf;
if((p_buf = (BT_HDR *) GKI_getpoolbuf(PAN_POOL_ID)) != NULL)
{
p_buf->offset = PAN_MINIMUM_OFFSET;
/* copy all other params before the data */
bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->src, src);
bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->dst, dst);
((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol = protocol;
((tBTA_PAN_DATA_PARAMS *)p_buf)->ext = ext;
p_buf->len=len;
/* copy data */
memcpy((UINT8 *)(p_buf + 1) + p_buf->offset, p_data, len);
p_buf->layer_specific = handle;
p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT;
bta_sys_sendmsg(p_buf);
}
}
/*******************************************************************************
**
** Function bta_pan_ci_rx_writebuf
**
** Description This function is called to send data to the phone when
** the RX path is configured to use a push interface with
** zero copy. The function sends an event to PAN containing
** the data buffer. The buffer must be allocated using
** functions GKI_getbuf() or GKI_getpoolbuf(). The buffer
** will be freed by BTA; the phone must not free the buffer.
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_ci_rx_writebuf(UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol,
BT_HDR *p_buf, BOOLEAN ext)
{
/* copy all other params before the data */
bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->src, src);
bdcpy(((tBTA_PAN_DATA_PARAMS *)p_buf)->dst, dst);
((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol = protocol;
((tBTA_PAN_DATA_PARAMS *)p_buf)->ext = ext;
p_buf->layer_specific = handle;
p_buf->event = BTA_PAN_CI_RX_WRITEBUF_EVT;
bta_sys_sendmsg(p_buf);
}
/*******************************************************************************
**
** Function bta_pan_ci_readbuf
**
** Description
**
**
** Returns void
**
*******************************************************************************/
BT_HDR * bta_pan_ci_readbuf(UINT16 handle, BD_ADDR src, BD_ADDR dst, UINT16* p_protocol,
BOOLEAN* p_ext, BOOLEAN* p_forward)
{
tBTA_PAN_SCB * p_scb;
BT_HDR * p_buf;
p_scb = bta_pan_scb_by_handle(handle);
p_buf = (BT_HDR *)GKI_dequeue(&p_scb->data_queue);
if(p_buf)
{
bdcpy(src,((tBTA_PAN_DATA_PARAMS *)p_buf)->src);
bdcpy(dst,((tBTA_PAN_DATA_PARAMS *)p_buf)->dst);
*p_protocol = ((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol;
*p_ext = ((tBTA_PAN_DATA_PARAMS *)p_buf)->ext;
*p_forward = ((tBTA_PAN_DATA_PARAMS *)p_buf)->forward;
}
return p_buf;
}
/*******************************************************************************
**
** Function bta_pan_ci_set_mfilters
**
** Description This function is called to set multicast filters
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_ci_set_mfilters(UINT16 handle, UINT16 num_mcast_filters, UINT8 *p_start_array,
UINT8 *p_end_array)
{
PAN_SetMulticastFilters(handle, num_mcast_filters, p_start_array, p_end_array);
}
/*******************************************************************************
**
** Function bta_pan_ci_set_mfilters
**
** Description This function is called to set protocol filters
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_ci_set_pfilters(UINT16 handle, UINT16 num_filters, UINT16 *p_start_array, UINT16 *p_end_array)
{
PAN_SetProtocolFilters(handle, num_filters, p_start_array, p_end_array );
}
#endif /* BTA_PAN_API */