| /****************************************************************************** |
| * |
| * 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" |
| |
| #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, BD_ADDR dst, BD_ADDR 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 */ |
| 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_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, BD_ADDR dst, BD_ADDR src, |
| uint16_t protocol, BT_HDR* p_buf, bool 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_t handle, BD_ADDR src, BD_ADDR dst, |
| uint16_t* p_protocol, bool* p_ext, bool* p_forward) { |
| tBTA_PAN_SCB* p_scb; |
| BT_HDR* p_buf; |
| |
| p_scb = bta_pan_scb_by_handle(handle); |
| |
| p_buf = (BT_HDR*)fixed_queue_try_dequeue(p_scb->data_queue); |
| if (p_buf != NULL) { |
| 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_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 BD_ADDR src, UNUSED_ATTR BD_ADDR 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 BD_ADDR src, |
| UNUSED_ATTR BD_ADDR 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 */ |