/****************************************************************************** * * 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 #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 */