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Diffstat (limited to 'bta/pan/bta_pan_act.c')
| -rw-r--r-- | bta/pan/bta_pan_act.c | 728 |
1 files changed, 728 insertions, 0 deletions
diff --git a/bta/pan/bta_pan_act.c b/bta/pan/bta_pan_act.c new file mode 100644 index 0000000..b29920f --- /dev/null +++ b/bta/pan/bta_pan_act.c @@ -0,0 +1,728 @@ +/****************************************************************************** + * + * 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 file contains the pan action functions for the state machine. + * + ******************************************************************************/ + +#include "bt_target.h" + +#if defined(PAN_INCLUDED) && (PAN_INCLUDED == TRUE) + +#include "bta_api.h" +#include "bta_sys.h" +#include "bd.h" +#include "gki.h" +#include "pan_api.h" +#include "bta_pan_api.h" +#include "bta_pan_int.h" +#include "bta_pan_co.h" +#include <string.h> + + +/* RX and TX data flow mask */ +#define BTA_PAN_RX_MASK 0x0F +#define BTA_PAN_TX_MASK 0xF0 + +/******************************************************************************* +** +** Function bta_pan_conn_state_cback +** +** Description Connection state callback from Pan profile +** +** +** Returns void +** +*******************************************************************************/ +static void bta_pan_conn_state_cback(UINT16 handle, BD_ADDR bd_addr, tPAN_RESULT state, + BOOLEAN is_role_change, UINT8 src_role, UINT8 dst_role) +{ + + tBTA_PAN_CONN * p_buf; + tBTA_PAN_SCB *p_scb; + + + if ((p_buf = (tBTA_PAN_CONN *) GKI_getbuf(sizeof(tBTA_PAN_CONN))) != NULL) + { + if((state == PAN_SUCCESS) && !is_role_change) + { + p_buf->hdr.event = BTA_PAN_CONN_OPEN_EVT; + if((p_scb = bta_pan_scb_by_handle(handle)) == NULL) + { + /* allocate an scb */ + p_scb = bta_pan_scb_alloc(); + + } + /* we have exceeded maximum number of connections */ + if(!p_scb) + { + PAN_Disconnect (handle); + return; + } + + p_scb->handle = handle; + p_scb->local_role = src_role; + p_scb->peer_role = dst_role; + p_scb->pan_flow_enable = TRUE; + bdcpy(p_scb->bd_addr, bd_addr); + GKI_init_q(&p_scb->data_queue); + + if(src_role == PAN_ROLE_CLIENT) + p_scb->app_id = bta_pan_cb.app_id[0]; + else if (src_role == PAN_ROLE_GN_SERVER) + p_scb->app_id = bta_pan_cb.app_id[1]; + else if (src_role == PAN_ROLE_NAP_SERVER) + p_scb->app_id = bta_pan_cb.app_id[2]; + + } + else if((state != PAN_SUCCESS) && !is_role_change) + { + p_buf->hdr.event = BTA_PAN_CONN_CLOSE_EVT; + + } + else + { + return; + } + + p_buf->result = state; + p_buf->hdr.layer_specific = handle; + bta_sys_sendmsg(p_buf); + + } + + + +} + +/******************************************************************************* +** +** Function bta_pan_data_flow_cb +** +** Description Data flow status callback from PAN +** +** +** Returns void +** +*******************************************************************************/ +static void bta_pan_data_flow_cb(UINT16 handle, tPAN_RESULT result) +{ + BT_HDR *p_buf; + tBTA_PAN_SCB *p_scb; + + if((p_scb = bta_pan_scb_by_handle(handle)) == NULL) + return; + + if(result == PAN_TX_FLOW_ON) + { + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->layer_specific = handle; + p_buf->event = BTA_PAN_BNEP_FLOW_ENABLE_EVT; + bta_sys_sendmsg(p_buf); + } + bta_pan_co_rx_flow(handle, p_scb->app_id, TRUE); + + } + else if(result == PAN_TX_FLOW_OFF) + { + + p_scb->pan_flow_enable = FALSE; + bta_pan_co_rx_flow(handle, p_scb->app_id, FALSE); + + } + + +} + + +/******************************************************************************* +** +** Function bta_pan_data_buf_ind_cback +** +** Description data indication callback from pan profile +** +** +** Returns void +** +*******************************************************************************/ +static void bta_pan_data_buf_ind_cback(UINT16 handle, BD_ADDR src, BD_ADDR dst, UINT16 protocol, BT_HDR *p_buf, + BOOLEAN ext, BOOLEAN forward) +{ + tBTA_PAN_SCB *p_scb; + BT_HDR * p_event; + BT_HDR *p_new_buf; + + if ( sizeof(tBTA_PAN_DATA_PARAMS) > p_buf->offset ) + { + /* offset smaller than data structure in front of actual data */ + p_new_buf = (BT_HDR *)GKI_getpoolbuf( PAN_POOL_ID ); + if(!p_new_buf) + { + APPL_TRACE_WARNING0("Cannot get a PAN GKI buffer"); + GKI_freebuf( p_buf ); + return; + } + else + { + memcpy( (UINT8 *)(p_new_buf+1)+sizeof(tBTA_PAN_DATA_PARAMS), (UINT8 *)(p_buf+1)+p_buf->offset, p_buf->len ); + p_new_buf->len = p_buf->len; + p_new_buf->offset = sizeof(tBTA_PAN_DATA_PARAMS); + GKI_freebuf( p_buf ); + } + } + else + { + p_new_buf = p_buf; + } + /* copy params into the space before the data */ + bdcpy(((tBTA_PAN_DATA_PARAMS *)p_new_buf)->src, src); + bdcpy(((tBTA_PAN_DATA_PARAMS *)p_new_buf)->dst, dst); + ((tBTA_PAN_DATA_PARAMS *)p_new_buf)->protocol = protocol; + ((tBTA_PAN_DATA_PARAMS *)p_new_buf)->ext = ext; + ((tBTA_PAN_DATA_PARAMS *)p_new_buf)->forward = forward; + + + if((p_scb = bta_pan_scb_by_handle(handle)) == NULL) + { + + GKI_freebuf( p_new_buf ); + return; + } + + GKI_enqueue(&p_scb->data_queue, p_new_buf); + if ((p_event = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_event->layer_specific = handle; + p_event->event = BTA_PAN_RX_FROM_BNEP_READY_EVT; + bta_sys_sendmsg(p_event); + } + +} + + +/******************************************************************************* +** +** Function bta_pan_pfilt_ind_cback +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +static void bta_pan_pfilt_ind_cback(UINT16 handle, BOOLEAN indication,tBNEP_RESULT result, + UINT16 num_filters, UINT8 *p_filters) +{ + + bta_pan_co_pfilt_ind(handle, indication, (tBTA_PAN_STATUS)((result == BNEP_SUCCESS) ? BTA_PAN_SUCCESS : BTA_PAN_FAIL), + num_filters, p_filters); + + +} + + +/******************************************************************************* +** +** Function bta_pan_mfilt_ind_cback +** +** Description +** +** +** Returns void +** +*******************************************************************************/ +static void bta_pan_mfilt_ind_cback(UINT16 handle, BOOLEAN indication,tBNEP_RESULT result, + UINT16 num_mfilters, UINT8 *p_mfilters) +{ + + bta_pan_co_mfilt_ind(handle, indication, (tBTA_PAN_STATUS)((result == BNEP_SUCCESS) ? BTA_PAN_SUCCESS : BTA_PAN_FAIL), + num_mfilters, p_mfilters); +} + + + +/******************************************************************************* +** +** Function bta_pan_enable +** +** Description +** +** +** +** Returns void +** +*******************************************************************************/ +void bta_pan_enable(tBTA_PAN_DATA *p_data) +{ + tPAN_REGISTER reg_data; + UINT16 initial_discoverability; + UINT16 initial_connectability; + UINT16 d_window; + UINT16 d_interval; + UINT16 c_window; + UINT16 c_interval; + + bta_pan_cb.p_cback = p_data->api_enable.p_cback; + + reg_data.pan_conn_state_cb = bta_pan_conn_state_cback; + reg_data.pan_bridge_req_cb = NULL; + reg_data.pan_data_buf_ind_cb = bta_pan_data_buf_ind_cback; + reg_data.pan_data_ind_cb = NULL; + reg_data.pan_pfilt_ind_cb = bta_pan_pfilt_ind_cback; + reg_data.pan_mfilt_ind_cb = bta_pan_mfilt_ind_cback; + reg_data.pan_tx_data_flow_cb = bta_pan_data_flow_cb; + + /* read connectability and discoverability settings. + Pan profile changes the settings. We have to change it back to + be consistent with other bta subsystems */ + initial_connectability = BTM_ReadConnectability(&c_window, &c_interval); + initial_discoverability = BTM_ReadDiscoverability(&d_window, &d_interval); + + + PAN_Register (®_data); + + + /* set it back to original value */ + BTM_SetDiscoverability(initial_discoverability, d_window, d_interval); + BTM_SetConnectability(initial_connectability, c_window, c_interval); + + bta_pan_cb.flow_mask = bta_pan_co_init(&bta_pan_cb.q_level); + bta_pan_cb.p_cback(BTA_PAN_ENABLE_EVT, NULL); + +} + +/******************************************************************************* +** +** Function bta_pan_set_role +** +** Description +** +** Returns void +** +*******************************************************************************/ +void bta_pan_set_role(tBTA_PAN_DATA *p_data) +{ + tPAN_RESULT status; + tBTA_PAN_SET_ROLE set_role; + UINT8 sec[3]; + + + bta_pan_cb.app_id[0] = p_data->api_set_role.user_app_id; + bta_pan_cb.app_id[1] = p_data->api_set_role.gn_app_id; + bta_pan_cb.app_id[2] = p_data->api_set_role.nap_app_id; + + sec[0] = p_data->api_set_role.user_sec_mask; + sec[1] = p_data->api_set_role.gn_sec_mask; + sec[2] = p_data->api_set_role.nap_sec_mask; + + /* set security correctly in api and here */ + status = PAN_SetRole(p_data->api_set_role.role, sec, + p_data->api_set_role.user_name, + p_data->api_set_role.gn_name, + p_data->api_set_role.nap_name); + + set_role.role = p_data->api_set_role.role; + if(status == PAN_SUCCESS) + { + if(p_data->api_set_role.role & PAN_ROLE_NAP_SERVER ) + bta_sys_add_uuid(UUID_SERVCLASS_NAP); + else + bta_sys_remove_uuid(UUID_SERVCLASS_NAP); + + if(p_data->api_set_role.role & PAN_ROLE_GN_SERVER ) + bta_sys_add_uuid(UUID_SERVCLASS_GN); + else + bta_sys_remove_uuid(UUID_SERVCLASS_GN); + + if(p_data->api_set_role.role & PAN_ROLE_CLIENT ) + bta_sys_add_uuid(UUID_SERVCLASS_PANU); + else + bta_sys_remove_uuid(UUID_SERVCLASS_PANU); + + set_role.status = BTA_PAN_SUCCESS; + } + /* if status is not success clear everything */ + else + { + PAN_SetRole(0, 0, NULL, NULL, NULL); + bta_sys_remove_uuid(UUID_SERVCLASS_NAP); + bta_sys_remove_uuid(UUID_SERVCLASS_GN); + bta_sys_remove_uuid(UUID_SERVCLASS_PANU); + set_role.status = BTA_PAN_FAIL; + } + bta_pan_cb.p_cback(BTA_PAN_SET_ROLE_EVT, (tBTA_PAN *)&set_role); +} + + + +/******************************************************************************* +** +** Function bta_pan_disable +** +** Description +** +** +** +** Returns void +** +*******************************************************************************/ +void bta_pan_disable(void) +{ + + BT_HDR *p_buf; + tBTA_PAN_SCB *p_scb = &bta_pan_cb.scb[0]; + UINT8 i; + + + /* close all connections */ + PAN_SetRole (0, NULL, NULL, NULL, NULL); + +#if ( BTM_EIR_SERVER_INCLUDED == TRUE )&&(BTA_EIR_CANNED_UUID_LIST != TRUE) + bta_sys_remove_uuid(UUID_SERVCLASS_NAP); + bta_sys_remove_uuid(UUID_SERVCLASS_GN); + bta_sys_remove_uuid(UUID_SERVCLASS_PANU); +#endif + /* free all queued up data buffers */ + for (i = 0; i < BTA_PAN_NUM_CONN; i++, p_scb++) + { + if (p_scb->in_use) + { + while((p_buf = (BT_HDR *)GKI_dequeue(&p_scb->data_queue)) != NULL) + GKI_freebuf(p_buf); + + bta_pan_co_close(p_scb->handle, p_scb->app_id); + + } + } + + + + PAN_Deregister(); + +} + +/******************************************************************************* +** +** Function bta_pan_open +** +** Description +** +** Returns void +** +*******************************************************************************/ +void bta_pan_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data) +{ + tPAN_RESULT status; + tBTA_PAN_OPEN data; + tBTA_PAN_OPENING opening; + + + status = PAN_Connect (p_data->api_open.bd_addr, p_data->api_open.local_role, p_data->api_open.peer_role, + &p_scb->handle); + + + if(status == PAN_SUCCESS) + { + + bdcpy(p_scb->bd_addr, p_data->api_open.bd_addr); + p_scb->local_role = p_data->api_open.local_role; + p_scb->peer_role = p_data->api_open.peer_role; + bdcpy(opening.bd_addr, p_data->api_open.bd_addr); + opening.handle = p_scb->handle; + bta_pan_cb.p_cback(BTA_PAN_OPENING_EVT, (tBTA_PAN *)&opening); + + + } + else + { + bta_pan_scb_dealloc(p_scb); + bdcpy(data.bd_addr, p_data->api_open.bd_addr); + data.status = BTA_PAN_FAIL; + bta_pan_cb.p_cback(BTA_PAN_OPEN_EVT, (tBTA_PAN *)&data); + } + +} + + +/******************************************************************************* +** +** Function bta_pan_close +** +** Description +** +** +** +** Returns void +** +*******************************************************************************/ +void bta_pan_api_close (tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data) +{ + tBTA_PAN_CONN * p_buf; + + PAN_Disconnect (p_scb->handle); + + + /* send an event to BTA so that application will get the connection + close event */ + if ((p_buf = (tBTA_PAN_CONN *) GKI_getbuf(sizeof(tBTA_PAN_CONN))) != NULL) + { + p_buf->hdr.event = BTA_PAN_CONN_CLOSE_EVT; + + p_buf->hdr.layer_specific = p_scb->handle; + bta_sys_sendmsg(p_buf); + + } +} + + +/******************************************************************************* +** +** Function bta_pan_conn_open +** +** Description process connection open event +** +** Returns void +** +*******************************************************************************/ +void bta_pan_conn_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data) +{ + + tBTA_PAN_OPEN data; + + bdcpy(data.bd_addr, p_scb->bd_addr); + data.handle = p_scb->handle; + data.local_role = p_scb->local_role; + data.peer_role = p_scb->peer_role; + + if(p_data->conn.result == PAN_SUCCESS) + { + data.status = BTA_PAN_SUCCESS; + bta_pan_co_open(p_scb->handle, p_scb->app_id, p_scb->local_role, p_scb->peer_role, p_scb->bd_addr); + + } + else + { + bta_pan_scb_dealloc(p_scb); + data.status = BTA_PAN_FAIL; + } + + p_scb->pan_flow_enable = TRUE; + p_scb->app_flow_enable = TRUE; + + bta_sys_conn_open( BTA_ID_PAN ,p_scb->app_id, p_scb->bd_addr); + + bta_pan_cb.p_cback(BTA_PAN_OPEN_EVT, (tBTA_PAN *)&data); + + +} + +/******************************************************************************* +** +** Function bta_pan_conn_close +** +** Description process connection close event +** +** +** +** Returns void +** +*******************************************************************************/ +void bta_pan_conn_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data) +{ + + tBTA_PAN_CLOSE data; + BT_HDR *p_buf; + + data.handle = p_data->hdr.layer_specific; + + + bta_sys_conn_close( BTA_ID_PAN ,p_scb->app_id, p_scb->bd_addr); + + /* free all queued up data buffers */ + while((p_buf = (BT_HDR *)GKI_dequeue(&p_scb->data_queue)) != NULL) + GKI_freebuf(p_buf); + + GKI_init_q(&p_scb->data_queue); + + bta_pan_co_close(p_scb->handle, p_scb->app_id); + + bta_pan_scb_dealloc(p_scb); + + bta_pan_cb.p_cback(BTA_PAN_CLOSE_EVT, (tBTA_PAN *)&data); + +} + + + + +/******************************************************************************* +** +** Function bta_pan_rx_path +** +** Description Handle data on the RX path (data sent from the phone to +** BTA). +** +** +** Returns void +** +*******************************************************************************/ +void bta_pan_rx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data) +{ + /* if data path configured for rx pull */ + if ((bta_pan_cb.flow_mask & BTA_PAN_RX_MASK) == BTA_PAN_RX_PULL) + { + /* if we can accept data */ + if (p_scb->pan_flow_enable == TRUE) + { + /* call application callout function for rx path */ + bta_pan_co_rx_path(p_scb->handle, p_scb->app_id); + } + } + /* else data path configured for rx push */ + else + { + + } +} + +/******************************************************************************* +** +** Function bta_pan_tx_path +** +** Description Handle the TX data path (data sent from BTA to the phone). +** +** +** Returns void +** +*******************************************************************************/ +void bta_pan_tx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data) +{ + + BT_HDR * p_buf; + /* if data path configured for tx pull */ + if ((bta_pan_cb.flow_mask & BTA_PAN_TX_MASK) == BTA_PAN_TX_PULL) + { + /* call application callout function for tx path */ + bta_pan_co_tx_path(p_scb->handle, p_scb->app_id); + + /* free data that exceeds queue level */ + while(p_scb->data_queue.count > bta_pan_cb.q_level) + GKI_freebuf(GKI_dequeue(&p_scb->data_queue)); + } + /* if configured for zero copy push */ + else if ((bta_pan_cb.flow_mask & BTA_PAN_TX_MASK) == BTA_PAN_TX_PUSH_BUF) + { + /* if app can accept data */ + if (p_scb->app_flow_enable == TRUE) + { + /* read data from the queue */ + if ((p_buf = (BT_HDR *)GKI_dequeue(&p_scb->data_queue)) != NULL) + { + /* send data to application */ + bta_pan_co_tx_writebuf(p_scb->handle, + p_scb->app_id, + ((tBTA_PAN_DATA_PARAMS *)p_buf)->src, + ((tBTA_PAN_DATA_PARAMS *)p_buf)->dst, + ((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol, + p_buf, + ((tBTA_PAN_DATA_PARAMS *)p_buf)->ext, + ((tBTA_PAN_DATA_PARAMS *)p_buf)->forward); + + } + /* free data that exceeds queue level */ + while(p_scb->data_queue.count > bta_pan_cb.q_level) + GKI_freebuf(GKI_dequeue(&p_scb->data_queue)); + + /* if there is more data to be passed to + upper layer */ + if(p_scb->data_queue.count) + { + if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->layer_specific = p_scb->handle; + p_buf->event = BTA_PAN_RX_FROM_BNEP_READY_EVT; + bta_sys_sendmsg(p_buf); + } + + } + + } + } +} + +/******************************************************************************* +** +** Function bta_pan_tx_flow +** +** Description Set the application flow control state. +** +** +** Returns void +** +*******************************************************************************/ +void bta_pan_tx_flow(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data) +{ + p_scb->app_flow_enable = p_data->ci_tx_flow.enable; +} + +/******************************************************************************* +** +** Function bta_pan_write_buf +** +** Description Handle a bta_pan_ci_rx_writebuf() and send data to PAN. +** +** +** Returns void +** +*******************************************************************************/ +void bta_pan_write_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data) +{ + if ((bta_pan_cb.flow_mask & BTA_PAN_RX_MASK) == BTA_PAN_RX_PUSH_BUF) + { + + PAN_WriteBuf (p_scb->handle, + ((tBTA_PAN_DATA_PARAMS *)p_data)->dst, + ((tBTA_PAN_DATA_PARAMS *)p_data)->src, + ((tBTA_PAN_DATA_PARAMS *)p_data)->protocol, + (BT_HDR *)p_data, + ((tBTA_PAN_DATA_PARAMS *)p_data)->ext); + + } +} + +/******************************************************************************* +** +** Function bta_pan_free_buf +** +** Description Frees the data buffer during closing state +** +** +** Returns void +** +*******************************************************************************/ +void bta_pan_free_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data) +{ + + GKI_freebuf(p_data); + +} + +#endif /* PAN_INCLUDED */ |