357 lines
11 KiB
C
357 lines
11 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2009-2012 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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* Filename: bta_pan_co.c
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*
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* Description: PAN stack callout api
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*
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*
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******************************************************************************/
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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_co.h"
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#include "pan_api.h"
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#include "bt_common.h"
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#include <hardware/bluetooth.h>
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#include <hardware/bt_pan.h>
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#include "btif_pan_internal.h"
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#include "btif_sock_thread.h"
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#include <string.h>
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#include "btif_util.h"
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#include "btcore/include/bdaddr.h"
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/*******************************************************************************
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**
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** Function bta_pan_co_init
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**
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** Description
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**
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**
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** Returns Data flow mask.
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**
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*******************************************************************************/
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UINT8 bta_pan_co_init(UINT8 *q_level)
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{
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BTIF_TRACE_API("bta_pan_co_init");
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/* set the q_level to 30 buffers */
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*q_level = 30;
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//return (BTA_PAN_RX_PULL | BTA_PAN_TX_PULL);
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return (BTA_PAN_RX_PUSH_BUF | BTA_PAN_RX_PUSH | BTA_PAN_TX_PULL);
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}
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/******************************************************************************
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**
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** Function bta_pan_co_open
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**
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** Description
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**
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**
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**
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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_co_open(UINT16 handle, UINT8 app_id, tBTA_PAN_ROLE local_role,
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tBTA_PAN_ROLE peer_role, BD_ADDR peer_addr)
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{
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BTIF_TRACE_API("bta_pan_co_open:app_id:%d, local_role:%d, peer_role:%d, "
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"handle:%d", app_id, local_role, peer_role, handle);
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btpan_conn_t* conn = btpan_find_conn_addr(peer_addr);
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if(conn == NULL)
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conn = btpan_new_conn(handle, peer_addr, local_role, peer_role);
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if(conn)
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{
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BTIF_TRACE_DEBUG("bta_pan_co_open:tap_fd:%d, open_count:%d, "
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"conn->handle:%d should = handle:%d, local_role:%d, remote_role:%d",
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btpan_cb.tap_fd, btpan_cb.open_count, conn->handle, handle,
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conn->local_role, conn->remote_role);
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//refresh the role & bt address
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btpan_cb.open_count++;
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conn->handle = handle;
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//bdcpy(conn->peer, peer_addr);
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if(btpan_cb.tap_fd < 0)
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{
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btpan_cb.tap_fd = btpan_tap_open();
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if(btpan_cb.tap_fd >= 0)
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create_tap_read_thread(btpan_cb.tap_fd);
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}
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if(btpan_cb.tap_fd >= 0)
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{
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btpan_cb.flow = 1;
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conn->state = PAN_STATE_OPEN;
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bta_pan_ci_rx_ready(handle);
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}
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}
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}
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/*******************************************************************************
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**
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** Function bta_pan_co_close
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**
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** Description This function is called by PAN when a connection to a
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** peer is closed.
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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_co_close(UINT16 handle, UINT8 app_id)
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{
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BTIF_TRACE_API("bta_pan_co_close:app_id:%d, handle:%d", app_id, handle);
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btpan_conn_t* conn = btpan_find_conn_handle(handle);
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if(conn && conn->state == PAN_STATE_OPEN)
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{
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BTIF_TRACE_DEBUG("bta_pan_co_close");
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// let bta close event reset this handle as it needs
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// the handle to find the connection upon CLOSE
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//conn->handle = -1;
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conn->state = PAN_STATE_CLOSE;
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btpan_cb.open_count--;
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if(btpan_cb.open_count == 0 && btpan_cb.tap_fd != -1)
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{
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btpan_tap_close(btpan_cb.tap_fd);
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btpan_cb.tap_fd = -1;
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}
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}
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}
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/*******************************************************************************
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**
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** Function bta_pan_co_tx_path
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**
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** Description This function is called by PAN to transfer data on the
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** TX path; that is, data being sent from BTA to the phone.
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** This function is used when the TX data path is configured
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** to use the pull interface. The implementation of this
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** function will typically call Bluetooth stack functions
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** PORT_Read() or PORT_ReadData() to read data from RFCOMM
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** and then a platform-specific function to send data that
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** data to the phone.
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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_co_tx_path(UINT16 handle, UINT8 app_id)
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{
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BT_HDR *p_buf;
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BD_ADDR src;
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BD_ADDR dst;
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UINT16 protocol;
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BOOLEAN ext;
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BOOLEAN forward;
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BTIF_TRACE_API("%s, handle:%d, app_id:%d", __func__, handle, app_id);
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btpan_conn_t* conn = btpan_find_conn_handle(handle);
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if (!conn)
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{
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BTIF_TRACE_ERROR("%s: cannot find pan connection", __func__);
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return;
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}
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else if(conn->state != PAN_STATE_OPEN)
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{
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BTIF_TRACE_ERROR("%s: conn is not opened, conn:%p, conn->state:%d",
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__func__, conn, conn->state);
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return;
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}
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do
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{
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/* read next data buffer from pan */
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if ((p_buf = bta_pan_ci_readbuf(handle, src, dst, &protocol,
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&ext, &forward)))
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{
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bdstr_t bdstr;
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BTIF_TRACE_DEBUG("%s, calling btapp_tap_send, "
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"p_buf->len:%d, offset:%d", __func__, p_buf->len, p_buf->offset);
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if(is_empty_eth_addr(conn->eth_addr) && is_valid_bt_eth_addr(src))
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{
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BTIF_TRACE_DEBUG("%s pan bt peer addr: %s", __func__,
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bdaddr_to_string((bt_bdaddr_t *)conn->peer, bdstr, sizeof(bdstr)));
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bdaddr_to_string((bt_bdaddr_t *)src, bdstr, sizeof(bdstr));
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BTIF_TRACE_DEBUG("%s: update its ethernet addr: %s", __func__,
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bdaddr_to_string((bt_bdaddr_t *)src, bdstr, sizeof(bdstr)));
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memcpy(conn->eth_addr, src, sizeof(conn->eth_addr));
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}
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btpan_tap_send(btpan_cb.tap_fd, src, dst, protocol,
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(char*)(p_buf + 1) + p_buf->offset, p_buf->len, ext, forward);
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osi_free(p_buf);
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}
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} while (p_buf != NULL);
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}
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/*******************************************************************************
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**
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** Function bta_pan_co_rx_path
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**
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** Description
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**
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**
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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_co_rx_path(UINT16 handle, UINT8 app_id)
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{
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UNUSED(handle);
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UNUSED(app_id);
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BTIF_TRACE_API("bta_pan_co_rx_path not used");
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}
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/*******************************************************************************
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**
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** Function bta_pan_co_tx_write
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**
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** Description This function is called by PAN to send data to the phone
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** when the TX path is configured to use a push interface.
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** The implementation of this function must copy the data to
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** the phone's memory.
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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_co_tx_write(UINT16 handle, UINT8 app_id, BD_ADDR src, BD_ADDR dst,
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UINT16 protocol, UINT8 *p_data,
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UINT16 len, BOOLEAN ext, BOOLEAN forward)
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{
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UNUSED(handle);
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UNUSED(app_id);
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UNUSED(src);
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UNUSED(dst);
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UNUSED(protocol);
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UNUSED(p_data);
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UNUSED(len);
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UNUSED(ext);
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UNUSED(forward);
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BTIF_TRACE_API("bta_pan_co_tx_write not used");
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}
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/*******************************************************************************
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**
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** Function bta_pan_co_tx_writebuf
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**
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** Description This function is called by PAN to send data to the phone
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** when the TX path is configured to use a push interface with
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** zero copy. The phone must free the buffer using function
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** osi_free() when it is through processing the buffer.
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**
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**
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** Returns TRUE if flow enabled
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**
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*******************************************************************************/
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void bta_pan_co_tx_writebuf(UINT16 handle, UINT8 app_id, BD_ADDR src,
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BD_ADDR dst, UINT16 protocol, BT_HDR *p_buf,
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BOOLEAN ext, BOOLEAN forward)
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{
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UNUSED(handle);
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UNUSED(app_id);
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UNUSED(src);
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UNUSED(dst);
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UNUSED(protocol);
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UNUSED(p_buf);
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UNUSED(ext);
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UNUSED(forward);
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BTIF_TRACE_API("bta_pan_co_tx_writebuf not used");
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}
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/*******************************************************************************
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**
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** Function bta_pan_co_rx_flow
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**
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** Description This function is called by PAN to enable or disable
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** data flow on the RX path when it is configured to use
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** a push interface. If data flow is disabled the phone must
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** not call bta_pan_ci_rx_write() or bta_pan_ci_rx_writebuf()
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** until data flow is enabled again.
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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_co_rx_flow(UINT16 handle, UINT8 app_id, BOOLEAN enable)
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{
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UNUSED(handle);
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UNUSED(app_id);
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UNUSED(enable);
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BTIF_TRACE_API("bta_pan_co_rx_flow, enabled:%d, not used", enable);
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btpan_conn_t* conn = btpan_find_conn_handle(handle);
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if(!conn || conn->state != PAN_STATE_OPEN)
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return;
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btpan_set_flow_control(enable);
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}
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/*******************************************************************************
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**
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** Function bta_pan_co_filt_ind
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**
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** Description protocol filter indication from peer device
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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_co_pfilt_ind(UINT16 handle, BOOLEAN indication, tBTA_PAN_STATUS result,
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UINT16 len, UINT8 *p_filters)
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{
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UNUSED(handle);
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UNUSED(indication);
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UNUSED(result);
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UNUSED(len);
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UNUSED(p_filters);
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BTIF_TRACE_API("bta_pan_co_pfilt_ind");
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}
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/*******************************************************************************
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**
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** Function bta_pan_co_mfilt_ind
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**
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** Description multicast filter indication from peer device
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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_co_mfilt_ind(UINT16 handle, BOOLEAN indication, tBTA_PAN_STATUS result,
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UINT16 len, UINT8 *p_filters)
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{
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UNUSED(handle);
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UNUSED(indication);
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UNUSED(result);
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UNUSED(len);
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UNUSED(p_filters);
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BTIF_TRACE_API("bta_pan_co_mfilt_ind");
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}
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