/******************************************************************************
*
* Copyright (C) 2009-2012 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.
*
******************************************************************************/
/************************************************************************************
*
* Filename: bta_pan_co.c
*
* Description: PAN stack callout api
*
*
***********************************************************************************/
#include "bta_api.h"
#include "bta_pan_api.h"
#include "bta_pan_ci.h"
#include "bta_pan_co.h"
#include "pan_api.h"
#include "gki.h"
//#include "btui.h"
//#include "btui_int.h"
#include <hardware/bluetooth.h>
#include <hardware/bt_pan.h>
#include "btif_pan_internal.h"
#include "bd.h"
#include <cutils/log.h>
#define info(fmt, ...) ALOGI ("%s: " fmt,__FUNCTION__, ## __VA_ARGS__)
#define debug(fmt, ...) ALOGD ("%s: " fmt,__FUNCTION__, ## __VA_ARGS__)
#define warn(fmt, ...) ALOGW ("## WARNING : %s: " fmt "##",__FUNCTION__, ## __VA_ARGS__)
#define error(fmt, ...) ALOGE ("## ERROR : %s: " fmt "##",__FUNCTION__, ## __VA_ARGS__)
#define asrt(s) if(!(s)) ALOGE ("## %s assert %s failed at line:%d ##",__FUNCTION__, #s, __LINE__)
/*******************************************************************************
**
** Function bta_pan_co_init
**
** Description
**
**
** Returns Data flow mask.
**
*******************************************************************************/
UINT8 bta_pan_co_init(UINT8 *q_level)
{
ALOGD("bta_pan_co_init");
/* set the q_level to 30 buffers */
*q_level = 30;
//return (BTA_PAN_RX_PULL | BTA_PAN_TX_PULL);
return (BTA_PAN_RX_PUSH_BUF | BTA_PAN_RX_PUSH | BTA_PAN_TX_PULL);
}
/*******************************************************************************
**
** Function bta_pan_co_open
**
** Description
**
**
**
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_co_open(UINT16 handle, UINT8 app_id, tBTA_PAN_ROLE local_role, tBTA_PAN_ROLE peer_role, BD_ADDR peer_addr)
{
ALOGD("bta_pan_co_open:app_id:%d, local_role:%d, peer_role:%d, handle:%d",
app_id, local_role, peer_role, handle);
btpan_conn_t* conn = btpan_find_conn_addr(peer_addr);
if(conn == NULL)
conn = btpan_new_conn(handle, peer_addr, local_role, peer_role);
if(conn)
{
ALOGD("bta_pan_co_open:tap_fd:%d, open_count:%d, conn->handle:%d should = handle:%d, local_role:%d, remote_role:%d",
btpan_cb.tap_fd, btpan_cb.open_count, conn->handle, handle, conn->local_role, conn->remote_role);
//refresh the role & bt address
btpan_cb.open_count++;
conn->handle = handle;
//bdcpy(conn->peer, peer_addr);
if(btpan_cb.tap_fd < 0)
{
btpan_cb.tap_fd = btpan_tap_open();
if(btpan_cb.tap_fd >= 0)
create_tap_read_thread(btpan_cb.tap_fd);
}
if(btpan_cb.tap_fd >= 0)
{
conn->state = PAN_STATE_OPEN;
bta_pan_ci_rx_ready(handle);
}
}
}
/*******************************************************************************
**
** Function bta_pan_co_close
**
** Description This function is called by PAN when a connection to a
** peer is closed.
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_co_close(UINT16 handle, UINT8 app_id)
{
ALOGD("bta_pan_co_close:app_id:%d, handle:%d", app_id, handle);
btpan_conn_t* conn = btpan_find_conn_handle(handle);
if(conn && conn->state == PAN_STATE_OPEN)
{
ALOGD("bta_pan_co_close");
// let bta close event reset this handle as it needs
// the handle to find the connection upon CLOSE
//conn->handle = -1;
conn->state = PAN_STATE_CLOSE;
btpan_cb.open_count--;
if(btpan_cb.open_count == 0)
{
destroy_tap_read_thread();
if(btpan_cb.tap_fd != -1)
{
btpan_tap_close(btpan_cb.tap_fd);
btpan_cb.tap_fd = -1;
}
}
}
}
/*******************************************************************************
**
** Function bta_pan_co_tx_path
**
** Description This function is called by PAN to transfer data on the
** TX path; that is, data being sent from BTA to the phone.
** This function is used when the TX data path is configured
** to use the pull interface. The implementation of this
** function will typically call Bluetooth stack functions
** PORT_Read() or PORT_ReadData() to read data from RFCOMM
** and then a platform-specific function to send data that
** data to the phone.
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_co_tx_path(UINT16 handle, UINT8 app_id)
{
BT_HDR *p_buf;
UINT8 i;
BD_ADDR src;
BD_ADDR dst;
UINT16 protocol;
BOOLEAN ext;
BOOLEAN forward;
ALOGD("bta_pan_co_tx_path, handle:%d, app_id:%d", handle, app_id);
btpan_conn_t* conn = btpan_find_conn_handle(handle);
if(conn && conn->state != PAN_STATE_OPEN)
{
ALOGE("bta_pan_co_tx_path: cannot find pan connction or conn is not opened, conn:%p, conn->state:%d", conn, conn->state);
return;
}
do
{
/* read next data buffer from pan */
if ((p_buf = bta_pan_ci_readbuf(handle, src, dst, &protocol,
&ext, &forward)))
{
ALOGD("bta_pan_co_tx_path, calling btapp_tap_send, p_buf->len:%d, offset:%d", p_buf->len, p_buf->offset);
if(is_empty_eth_addr(conn->eth_addr) && is_valid_bt_eth_addr(src))
{
ALOGD("pan bt peer addr: %02x:%02x:%02x:%02x:%02x:%02x, update its ethernet addr: %02x:%02x:%02x:%02x:%02x:%02x",
conn->peer[0], conn->peer[1], conn->peer[2], conn->peer[3],conn->peer[4], conn->peer[5],
src[0], src[1], src[2], src[3],src[4], src[5]);
memcpy(conn->eth_addr, src, sizeof(conn->eth_addr));
}
btpan_tap_send(btpan_cb.tap_fd, src, dst, protocol, (char*)(p_buf + 1) + p_buf->offset, p_buf->len, ext, forward);
GKI_freebuf(p_buf);
}
} while (p_buf != NULL);
}
/*******************************************************************************
**
** Function bta_pan_co_rx_path
**
** Description
**
**
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_co_rx_path(UINT16 handle, UINT8 app_id)
{
UINT8 i;
ALOGD("bta_pan_co_rx_path not used");
}
/*******************************************************************************
**
** Function bta_pan_co_tx_write
**
** Description This function is called by PAN to send data to the phone
** when the TX path is configured to use a push interface.
** The implementation of this function must copy the data to
** the phone's memory.
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_co_tx_write(UINT16 handle, UINT8 app_id, BD_ADDR src, BD_ADDR dst, UINT16 protocol, UINT8 *p_data,
UINT16 len, BOOLEAN ext, BOOLEAN forward)
{
ALOGD("bta_pan_co_tx_write not used");
}
/*******************************************************************************
**
** Function bta_pan_co_tx_writebuf
**
** Description This function is called by PAN to send data to the phone
** when the TX path is configured to use a push interface with
** zero copy. The phone must free the buffer using function
** GKI_freebuf() when it is through processing the buffer.
**
**
** Returns TRUE if flow enabled
**
*******************************************************************************/
void bta_pan_co_tx_writebuf(UINT16 handle, UINT8 app_id, BD_ADDR src, BD_ADDR dst, UINT16 protocol, BT_HDR *p_buf,
BOOLEAN ext, BOOLEAN forward)
{
ALOGD("bta_pan_co_tx_writebuf not used");
}
/*******************************************************************************
**
** Function bta_pan_co_rx_flow
**
** Description This function is called by PAN to enable or disable
** data flow on the RX path when it is configured to use
** a push interface. If data flow is disabled the phone must
** not call bta_pan_ci_rx_write() or bta_pan_ci_rx_writebuf()
** until data flow is enabled again.
**
**
** Returns void
**
*******************************************************************************/
void bta_pan_co_rx_flow(UINT16 handle, UINT8 app_id, BOOLEAN enable)
{
ALOGD("bta_pan_co_rx_flow, enabled:%d, not used", enable);
}
/*******************************************************************************
**
** Function bta_pan_co_filt_ind
**
** Description protocol filter indication from peer device
**
** Returns void
**
*******************************************************************************/
void bta_pan_co_pfilt_ind(UINT16 handle, BOOLEAN indication, tBTA_PAN_STATUS result,
UINT16 len, UINT8 *p_filters)
{
ALOGD("bta_pan_co_pfilt_ind");
}
/*******************************************************************************
**
** Function bta_pan_co_mfilt_ind
**
** Description multicast filter indication from peer device
**
** Returns void
**
*******************************************************************************/
void bta_pan_co_mfilt_ind(UINT16 handle, BOOLEAN indication, tBTA_PAN_STATUS result,
UINT16 len, UINT8 *p_filters)
{
ALOGD("bta_pan_co_mfilt_ind");
}