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184 lines
6.2 KiB
184 lines
6.2 KiB
/******************************************************************************
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*
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* Copyright 2004-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This is the private interface file for the BTA data gateway.
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*
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******************************************************************************/
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#ifndef BTA_PAN_INT_H
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#define BTA_PAN_INT_H
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#include <cstdint>
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#include "bta/include/bta_api.h"
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#include "bta/include/bta_pan_api.h"
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#include "bta/sys/bta_sys.h"
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#include "osi/include/fixed_queue.h"
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#include "stack/include/pan_api.h"
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#include "types/raw_address.h"
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/*****************************************************************************
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* Constants
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****************************************************************************/
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/* PAN events */
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enum {
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/* these events are handled by the state machine */
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BTA_PAN_API_CLOSE_EVT = BTA_SYS_EVT_START(BTA_ID_PAN),
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BTA_PAN_CI_TX_READY_EVT,
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BTA_PAN_CI_RX_READY_EVT,
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BTA_PAN_CI_TX_FLOW_EVT,
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BTA_PAN_CI_RX_WRITE_EVT,
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BTA_PAN_CI_RX_WRITEBUF_EVT,
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BTA_PAN_CONN_OPEN_EVT,
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BTA_PAN_CONN_CLOSE_EVT,
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BTA_PAN_BNEP_FLOW_ENABLE_EVT,
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BTA_PAN_RX_FROM_BNEP_READY_EVT,
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/* these events are handled outside of the state machine */
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BTA_PAN_API_ENABLE_EVT,
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BTA_PAN_API_DISABLE_EVT,
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BTA_PAN_API_SET_ROLE_EVT,
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BTA_PAN_API_OPEN_EVT
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};
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/* state machine states */
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enum { BTA_PAN_IDLE_ST, BTA_PAN_OPEN_ST, BTA_PAN_CLOSING_ST };
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/*****************************************************************************
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* Data types
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****************************************************************************/
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/* data type for BTA_PAN_API_ENABLE_EVT */
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typedef struct {
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BT_HDR_RIGID hdr; /* Event header */
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tBTA_PAN_CBACK* p_cback; /* PAN callback function */
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} tBTA_PAN_API_ENABLE;
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/* data type for BTA_PAN_API_REG_ROLE_EVT */
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typedef struct {
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BT_HDR_RIGID hdr; /* Event header */
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char user_name[BTA_SERVICE_NAME_LEN + 1]; /* Service name */
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char nap_name[BTA_SERVICE_NAME_LEN + 1]; /* Service name */
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tBTA_PAN_ROLE role;
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uint8_t user_app_id;
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uint8_t nap_app_id;
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} tBTA_PAN_API_SET_ROLE;
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/* data type for BTA_PAN_API_OPEN_EVT */
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typedef struct {
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BT_HDR_RIGID hdr; /* Event header */
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tBTA_PAN_ROLE local_role; /* local role */
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tBTA_PAN_ROLE peer_role; /* peer role */
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RawAddress bd_addr; /* peer bdaddr */
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} tBTA_PAN_API_OPEN;
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/* data type for BTA_PAN_CI_TX_FLOW_EVT */
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typedef struct {
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BT_HDR_RIGID hdr; /* Event header */
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bool enable; /* Flow control setting */
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} tBTA_PAN_CI_TX_FLOW;
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/* data type for BTA_PAN_CONN_OPEN_EVT */
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typedef struct {
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BT_HDR_RIGID hdr; /* Event header */
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tPAN_RESULT result;
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} tBTA_PAN_CONN;
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/* union of all data types */
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typedef union {
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BT_HDR_RIGID hdr;
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tBTA_PAN_API_ENABLE api_enable;
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tBTA_PAN_API_SET_ROLE api_set_role;
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tBTA_PAN_API_OPEN api_open;
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tBTA_PAN_CI_TX_FLOW ci_tx_flow;
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tBTA_PAN_CONN conn;
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} tBTA_PAN_DATA;
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/* state machine control block */
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typedef struct {
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RawAddress bd_addr; /* peer bdaddr */
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fixed_queue_t*
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data_queue; /* Queue of buffers waiting to be passed to application */
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uint16_t handle; /* BTA PAN/BNEP handle */
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bool in_use; /* scb in use */
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tBTA_SEC sec_mask; /* Security mask */
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bool pan_flow_enable; /* BNEP flow control state */
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bool app_flow_enable; /* Application flow control state */
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uint8_t state; /* State machine state */
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tBTA_PAN_ROLE local_role; /* local role */
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tBTA_PAN_ROLE peer_role; /* peer role */
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uint8_t app_id; /* application id for the connection */
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} tBTA_PAN_SCB;
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/* main control block */
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typedef struct {
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tBTA_PAN_SCB scb[BTA_PAN_NUM_CONN]; /* state machine control blocks */
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tBTA_PAN_CBACK* p_cback; /* PAN callback function */
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uint8_t app_id[3]; /* application id for PAN roles */
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uint8_t flow_mask; /* Data flow mask */
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uint8_t q_level; /* queue level set by application for TX data */
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} tBTA_PAN_CB;
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/* pan data param */
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typedef struct {
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BT_HDR_RIGID hdr;
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RawAddress src;
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RawAddress dst;
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uint16_t protocol;
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bool ext;
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bool forward;
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} tBTA_PAN_DATA_PARAMS;
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/*****************************************************************************
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* Global data
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****************************************************************************/
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/* PAN control block */
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extern tBTA_PAN_CB bta_pan_cb;
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/*****************************************************************************
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* Function prototypes
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****************************************************************************/
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extern tBTA_PAN_SCB* bta_pan_scb_alloc(void);
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extern void bta_pan_scb_dealloc(tBTA_PAN_SCB* p_scb);
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extern uint8_t bta_pan_scb_to_idx(tBTA_PAN_SCB* p_scb);
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extern tBTA_PAN_SCB* bta_pan_scb_by_handle(uint16_t handle);
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extern bool bta_pan_hdl_event(BT_HDR_RIGID* p_msg);
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/* action functions */
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extern void bta_pan_enable(tBTA_PAN_DATA* p_data);
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extern void bta_pan_disable(void);
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extern void bta_pan_set_role(tBTA_PAN_DATA* p_data);
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extern void bta_pan_open(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data);
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extern void bta_pan_api_close(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data);
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extern void bta_pan_rx_path(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data);
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extern void bta_pan_tx_path(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data);
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extern void bta_pan_tx_flow(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data);
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extern void bta_pan_conn_open(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data);
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extern void bta_pan_conn_close(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data);
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extern void bta_pan_write_buf(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data);
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extern void bta_pan_free_buf(tBTA_PAN_SCB* p_scb, tBTA_PAN_DATA* p_data);
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#endif /* BTA_PAN_INT_H */
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