/****************************************************************************** * * Copyright 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" #include <string.h> #include "bt_common.h" #include "bt_utils.h" #include "bta_api.h" #include "bta_pan_api.h" #include "bta_pan_ci.h" #include "bta_pan_int.h" #include "osi/include/osi.h" #include "pan_api.h" #if (BTA_PAN_INCLUDED == TRUE) /******************************************************************************* * * 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_t handle) { BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR)); 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_t handle) { BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR)); 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_t handle, bool enable) { tBTA_PAN_CI_TX_FLOW* p_buf = (tBTA_PAN_CI_TX_FLOW*)osi_malloc(sizeof(tBTA_PAN_CI_TX_FLOW)); 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_t handle, const RawAddress& dst, const RawAddress& src, uint16_t protocol, uint8_t* p_data, uint16_t len, bool ext) { BT_HDR* p_buf = (BT_HDR*)osi_malloc(PAN_BUF_SIZE); p_buf->offset = PAN_MINIMUM_OFFSET; /* copy all other params before the data */ ((tBTA_PAN_DATA_PARAMS*)p_buf)->src = src; ((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_t*)(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 will be freed by BTA; the * phone must not free the buffer. * * * Returns void * ******************************************************************************/ void bta_pan_ci_rx_writebuf(uint16_t handle, const RawAddress& dst, const RawAddress& src, uint16_t protocol, BT_HDR* p_buf, bool ext) { /* copy all other params before the data */ ((tBTA_PAN_DATA_PARAMS*)p_buf)->src = src; ((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_t handle, RawAddress& src, RawAddress& dst, uint16_t* p_protocol, bool* p_ext, bool* p_forward) { tBTA_PAN_SCB* p_scb = bta_pan_scb_by_handle(handle); BT_HDR* p_buf; if (p_scb == NULL) return NULL; p_buf = (BT_HDR*)fixed_queue_try_dequeue(p_scb->data_queue); if (p_buf != NULL) { src = ((tBTA_PAN_DATA_PARAMS*)p_buf)->src; 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_t handle, uint16_t num_mcast_filters, uint8_t* p_start_array, uint8_t* 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_t handle, uint16_t num_filters, uint16_t* p_start_array, uint16_t* p_end_array) { PAN_SetProtocolFilters(handle, num_filters, p_start_array, p_end_array); } #else void bta_pan_ci_tx_ready(UNUSED_ATTR uint16_t handle) {} void bta_pan_ci_rx_ready(UNUSED_ATTR uint16_t handle) {} void bta_pan_ci_tx_flow(UNUSED_ATTR uint16_t handle, UNUSED_ATTR bool enable) {} void bta_pan_ci_rx_writebuf(UNUSED_ATTR uint16_t handle, UNUSED_ATTR const RawAddress& src, UNUSED_ATTR const RawAddress& dst, UNUSED_ATTR uint16_t protocol, UNUSED_ATTR BT_HDR* p_buf, UNUSED_ATTR bool ext) {} BT_HDR* bta_pan_ci_readbuf(UNUSED_ATTR uint16_t handle, UNUSED_ATTR RawAddress& src, UNUSED_ATTR RawAddress& dst, UNUSED_ATTR uint16_t* p_protocol, UNUSED_ATTR bool* p_ext, UNUSED_ATTR bool* p_forward) { return NULL; } void bta_pan_ci_set_pfilters(UNUSED_ATTR uint16_t handle, UNUSED_ATTR uint16_t num_filters, UNUSED_ATTR uint16_t* p_start_array, UNUSED_ATTR uint16_t* p_end_array) {} void bta_pan_ci_set_mfilters(UNUSED_ATTR uint16_t handle, UNUSED_ATTR uint16_t num_mcast_filters, UNUSED_ATTR uint8_t* p_start_array, UNUSED_ATTR uint8_t* p_end_array) {} #endif /* BTA_PAN_API */