/****************************************************************************** * * 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 #include #include "btif_pan_internal.h" #include "bd.h" #include #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"); }