/****************************************************************************** * * 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 private interface file for the BTA data gateway. * ******************************************************************************/ #ifndef BTA_PAN_INT_H #define BTA_PAN_INT_H #include "osi/include/fixed_queue.h" #include "bta_sys.h" #include "bta_pan_api.h" /***************************************************************************** ** Constants *****************************************************************************/ /* PAN events */ enum { /* these events are handled by the state machine */ BTA_PAN_API_CLOSE_EVT = BTA_SYS_EVT_START(BTA_ID_PAN), BTA_PAN_CI_TX_READY_EVT, BTA_PAN_CI_RX_READY_EVT, BTA_PAN_CI_TX_FLOW_EVT, BTA_PAN_CI_RX_WRITE_EVT, BTA_PAN_CI_RX_WRITEBUF_EVT, BTA_PAN_CONN_OPEN_EVT, BTA_PAN_CONN_CLOSE_EVT, BTA_PAN_BNEP_FLOW_ENABLE_EVT, BTA_PAN_RX_FROM_BNEP_READY_EVT, /* these events are handled outside of the state machine */ BTA_PAN_API_ENABLE_EVT, BTA_PAN_API_DISABLE_EVT, BTA_PAN_API_SET_ROLE_EVT, BTA_PAN_API_OPEN_EVT }; /* state machine states */ enum { BTA_PAN_IDLE_ST, BTA_PAN_OPEN_ST, BTA_PAN_CLOSING_ST }; /***************************************************************************** ** Data types *****************************************************************************/ /* data type for BTA_PAN_API_ENABLE_EVT */ typedef struct { BT_HDR hdr; /* Event header */ tBTA_PAN_CBACK *p_cback; /* PAN callback function */ } tBTA_PAN_API_ENABLE; /* data type for BTA_PAN_API_REG_ROLE_EVT */ typedef struct { BT_HDR hdr; /* Event header */ char user_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */ char gn_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */ char nap_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */ tBTA_PAN_ROLE role; UINT8 user_app_id; UINT8 gn_app_id; UINT8 nap_app_id; tBTA_SEC user_sec_mask; /* Security mask */ tBTA_SEC gn_sec_mask; /* Security mask */ tBTA_SEC nap_sec_mask; /* Security mask */ } tBTA_PAN_API_SET_ROLE; /* data type for BTA_PAN_API_OPEN_EVT */ typedef struct { BT_HDR hdr; /* Event header */ tBTA_PAN_ROLE local_role; /* local role */ tBTA_PAN_ROLE peer_role; /* peer role */ BD_ADDR bd_addr; /* peer bdaddr */ } tBTA_PAN_API_OPEN; /* data type for BTA_PAN_CI_TX_FLOW_EVT */ typedef struct { BT_HDR hdr; /* Event header */ BOOLEAN enable; /* Flow control setting */ } tBTA_PAN_CI_TX_FLOW; /* data type for BTA_PAN_CONN_OPEN_EVT */ typedef struct { BT_HDR hdr; /* Event header */ tPAN_RESULT result; } tBTA_PAN_CONN; /* union of all data types */ typedef union { BT_HDR hdr; tBTA_PAN_API_ENABLE api_enable; tBTA_PAN_API_SET_ROLE api_set_role; tBTA_PAN_API_OPEN api_open; tBTA_PAN_CI_TX_FLOW ci_tx_flow; tBTA_PAN_CONN conn; } tBTA_PAN_DATA; /* state machine control block */ typedef struct { BD_ADDR bd_addr; /* peer bdaddr */ fixed_queue_t *data_queue; /* Queue of buffers waiting to be passed to application */ UINT16 handle; /* BTA PAN/BNEP handle */ BOOLEAN in_use; /* scb in use */ tBTA_SEC sec_mask; /* Security mask */ BOOLEAN pan_flow_enable;/* BNEP flow control state */ BOOLEAN app_flow_enable;/* Application flow control state */ UINT8 state; /* State machine state */ tBTA_PAN_ROLE local_role; /* local role */ tBTA_PAN_ROLE peer_role; /* peer role */ UINT8 app_id; /* application id for the connection */ } tBTA_PAN_SCB; /* main control block */ typedef struct { tBTA_PAN_SCB scb[BTA_PAN_NUM_CONN]; /* state machine control blocks */ tBTA_PAN_CBACK *p_cback; /* PAN callback function */ UINT8 app_id[3]; /* application id for PAN roles */ UINT8 flow_mask; /* Data flow mask */ UINT8 q_level; /* queue level set by application for TX data */ } tBTA_PAN_CB; /* pan data param */ typedef struct { BT_HDR hdr; BD_ADDR src; BD_ADDR dst; UINT16 protocol; BOOLEAN ext; BOOLEAN forward; } tBTA_PAN_DATA_PARAMS; /***************************************************************************** ** Global data *****************************************************************************/ /* PAN control block */ #if BTA_DYNAMIC_MEMORY == FALSE extern tBTA_PAN_CB bta_pan_cb; #else extern tBTA_PAN_CB *bta_pan_cb_ptr; #define bta_pan_cb (*bta_pan_cb_ptr) #endif /***************************************************************************** ** Function prototypes *****************************************************************************/ extern tBTA_PAN_SCB *bta_pan_scb_alloc(void); extern void bta_pan_scb_dealloc(tBTA_PAN_SCB *p_scb); extern UINT8 bta_pan_scb_to_idx(tBTA_PAN_SCB *p_scb); extern tBTA_PAN_SCB *bta_pan_scb_by_handle(UINT16 handle); extern BOOLEAN bta_pan_hdl_event(BT_HDR *p_msg); /* action functions */ extern void bta_pan_enable(tBTA_PAN_DATA *p_data); extern void bta_pan_disable(void); extern void bta_pan_set_role(tBTA_PAN_DATA *p_data); extern void bta_pan_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_api_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_set_shutdown(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_rx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_tx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_tx_flow(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_conn_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_conn_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_writebuf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_write_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); extern void bta_pan_free_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data); #endif /* BTA_PAN_INT_H */