/******************************************************************************
*
* Copyright (C) 2010-2014 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 NFA Connection Handover.
*
******************************************************************************/
#ifndef NFA_CHO_INT_H
#define NFA_CHO_INT_H
#if (defined (NFA_CHO_INCLUDED) && (NFA_CHO_INCLUDED==TRUE))
#include "llcp_api.h"
#include "llcp_defs.h"
#include "nfa_cho_api.h"
/*****************************************************************************
** Constants and data types
*****************************************************************************/
/* NFA Connection Handover state */
enum
{
NFA_CHO_ST_DISABLED, /* Application has not registered */
NFA_CHO_ST_IDLE, /* No data link connection */
NFA_CHO_ST_W4_CC, /* Waiting for connection confirm */
NFA_CHO_ST_CONNECTED, /* Data link connected */
NFA_CHO_ST_MAX
};
typedef UINT8 tNFA_CHO_STATE;
/* NFA Connection Handover substate in NFA_CHO_ST_CONNECTED */
enum
{
NFA_CHO_SUBSTATE_W4_LOCAL_HR, /* Waiting for Hs record from local */
NFA_CHO_SUBSTATE_W4_LOCAL_HS, /* Waiting for Hs record from local */
NFA_CHO_SUBSTATE_W4_REMOTE_HR, /* Waiting for Hr record from remote */
NFA_CHO_SUBSTATE_W4_REMOTE_HS, /* Waiting for Hs record from remote */
NFA_CHO_SUBSTATE_MAX
};
typedef UINT8 tNFA_CHO_SUBSTATE;
/* Handover Message receiving status for SAR */
#define NFA_CHO_RX_NDEF_COMPLETE 0 /* received complete NDEF message */
#define NFA_CHO_RX_NDEF_TEMP_MEM 1 /* Cannot process due to temporary memory constraint */
#define NFA_CHO_RX_NDEF_PERM_MEM 2 /* Cannot process due to permanent memory constraint */
#define NFA_CHO_RX_NDEF_INCOMPLTE 3 /* Need more date */
#define NFA_CHO_RX_NDEF_INVALID 4 /* Invalid NDEF message */
typedef UINT8 tNFA_CHO_RX_NDEF_STATUS;
/* Handover Message Type */
#define NFA_CHO_MSG_UNKNOWN 0 /* Unknown Message */
#define NFA_CHO_MSG_HR 1 /* Handover Request Message */
#define NFA_CHO_MSG_HS 2 /* Handover Select Message */
#define NFA_CHO_MSG_BT_OOB 3 /* Simplified BT OOB message */
#define NFA_CHO_MSG_WIFI 4 /* Simplified WIFI message */
typedef UINT8 tNFA_CHO_MSG_TYPE;
/* Timeout */
#define NFA_CHO_TIMEOUT_FOR_HS 1000 /* ms, waiting for Hs record */
#define NFA_CHO_TIMEOUT_FOR_RETRY 1000 /* ms, retry because of temp memory constrain */
#define NFA_CHO_TIMEOUT_SEGMENTED_HR 500 /* ms, waiting for next segmented Hr */
#define NFA_CHO_EXCLUDING_PAYLOAD_ID 0xFF /* don't include payload ID string */
/* NFA Connection Handover internal events */
enum
{
NFA_CHO_API_REG_EVT = NFA_SYS_EVT_START (NFA_ID_CHO), /* NFA_ChoRegister () */
NFA_CHO_API_DEREG_EVT, /* NFA_ChoDeregister () */
NFA_CHO_API_CONNECT_EVT, /* NFA_ChoConnect () */
NFA_CHO_API_DISCONNECT_EVT, /* NFA_ChoDisconnect () */
NFA_CHO_API_SEND_HR_EVT, /* NFA_ChoSendHr () */
NFA_CHO_API_SEND_HS_EVT, /* NFA_ChoSendHs () */
NFA_CHO_API_SEL_ERR_EVT, /* NFA_ChoSendSelectError () */
NFA_CHO_RX_HANDOVER_MSG_EVT, /* Received Handover Message */
NFA_CHO_LLCP_CONNECT_IND_EVT, /* LLCP_SAP_EVT_CONNECT_IND */
NFA_CHO_LLCP_CONNECT_RESP_EVT, /* LLCP_SAP_EVT_CONNECT_RESP */
NFA_CHO_LLCP_DISCONNECT_IND_EVT, /* LLCP_SAP_EVT_DISCONNECT_IND */
NFA_CHO_LLCP_DISCONNECT_RESP_EVT, /* LLCP_SAP_EVT_DISCONNECT_RESP */
NFA_CHO_LLCP_CONGEST_EVT, /* LLCP_SAP_EVT_CONGEST */
NFA_CHO_LLCP_LINK_STATUS_EVT, /* LLCP_SAP_EVT_LINK_STATUS */
NFA_CHO_NDEF_TYPE_HANDLER_EVT, /* Callback event from NDEF Type handler */
NFA_CHO_TIMEOUT_EVT, /* Timeout event */
NFA_CHO_LAST_EVT
};
typedef UINT16 tNFA_CHO_INT_EVT;
/* data type for NFA_CHO_API_REG_EVT */
typedef struct
{
BT_HDR hdr;
BOOLEAN enable_server;
tNFA_CHO_CBACK *p_cback;
} tNFA_CHO_API_REG;
/* data type for NFA_CHO_API_DEREG_EVT */
typedef BT_HDR tNFA_CHO_API_DEREG;
/* data type for NFA_CHO_API_CONNECT_EVT */
typedef BT_HDR tNFA_CHO_API_CONNECT;
/* data type for NFA_CHO_API_DISCONNECT_EVT */
typedef BT_HDR tNFA_CHO_API_DISCONNECT;
/* data type for NFA_CHO_API_SEND_HR_EVT */
typedef struct
{
BT_HDR hdr;
UINT8 num_ac_info;
tNFA_CHO_AC_INFO *p_ac_info;
UINT8 *p_ndef;
UINT32 max_ndef_size;
UINT32 cur_ndef_size;
} tNFA_CHO_API_SEND_HR;
/* data type for NFA_CHO_API_SEND_HS_EVT */
typedef struct
{
BT_HDR hdr;
UINT8 num_ac_info;
tNFA_CHO_AC_INFO *p_ac_info;
UINT8 *p_ndef;
UINT32 max_ndef_size;
UINT32 cur_ndef_size;
} tNFA_CHO_API_SEND_HS;
/* data type for NFA_CHO_API_STOP_EVT */
typedef BT_HDR tNFA_CHO_API_STOP;
/* data type for NFA_CHO_API_SEL_ERR_EVT */
typedef struct
{
BT_HDR hdr;
UINT8 error_reason;
UINT32 error_data;
} tNFA_CHO_API_SEL_ERR;
/* data type for NFA_CHO_NDEF_TYPE_HANDLER_EVT */
typedef struct
{
BT_HDR hdr;
tNFA_NDEF_EVT event;
tNFA_NDEF_EVT_DATA data;
} tNFA_CHO_NDEF_TYPE_HDLR_EVT;
/* union of all event data types */
typedef union
{
BT_HDR hdr; /* NFA_CHO_TIMEOUT_EVT */
tNFA_CHO_API_REG api_reg; /* NFA_CHO_API_REG_EVT */
tNFA_CHO_API_DEREG api_dereg; /* NFA_CHO_API_DEREG_EVT */
tNFA_CHO_API_CONNECT api_connect; /* NFA_CHO_API_CONNECT_EVT */
tNFA_CHO_API_DISCONNECT api_disconnect; /* NFA_CHO_API_DISCONNECT_EVT */
tNFA_CHO_API_SEND_HR api_send_hr; /* NFA_CHO_API_SEND_HR_EVT */
tNFA_CHO_API_SEND_HS api_send_hs; /* NFA_CHO_API_SEND_HS_EVT */
tNFA_CHO_API_SEL_ERR api_sel_err; /* NFA_CHO_API_SEL_ERR_EVT */
tNFA_CHO_NDEF_TYPE_HDLR_EVT ndef_type_hdlr; /* NFA_CHO_NDEF_TYPE_HANDLER_EVT */
tLLCP_SAP_CBACK_DATA llcp_cback_data; /* LLCP callback data */
} tNFA_CHO_INT_EVENT_DATA;
/*****************************************************************************
** control block
*****************************************************************************/
#define NFA_CHO_FLAGS_LLCP_ACTIVATED 0x01
#define NFA_CHO_FLAGS_CLIENT_ONLY 0x02 /* Handover server is not enabled */
#define NFA_CHO_FLAGS_CONN_COLLISION 0x04 /* collision when creating data link */
/* NFA Connection Handover control block */
typedef struct
{
tNFA_CHO_STATE state; /* main state */
tNFA_CHO_SUBSTATE substate; /* substate in connected state */
TIMER_LIST_ENT timer; /* timer for rx handover message */
UINT8 server_sap; /* SAP for local handover server */
UINT8 client_sap; /* SAP for connection to remote handover server */
UINT8 local_sap; /* SSAP for connection, either server_sap or client_sap */
UINT8 remote_sap; /* DSAP for connection */
UINT8 flags; /* internal flags */
tNFA_CHO_DISC_REASON disc_reason; /* disconnection reason */
tNFA_HANDLE hs_ndef_type_handle; /* handle for HS NDEF Type handler */
tNFA_HANDLE bt_ndef_type_handle; /* handle for BT OOB NDEF Type handler */
tNFA_HANDLE wifi_ndef_type_handle; /* handle for WiFi NDEF Type handler */
UINT16 local_link_miu; /* MIU of local LLCP */
UINT16 remote_miu; /* peer's MIU of data link connection */
BOOLEAN congested; /* TRUE if data link is congested */
UINT8 collision_local_sap; /* SSAP for collision connection */
UINT8 collision_remote_sap; /* DSAP for collision connection */
UINT16 collision_remote_miu; /* peer's MIU of collision connection */
BOOLEAN collision_congested; /* TRUE if collision connection is congested */
UINT16 tx_random_number; /* it has been sent in Hr for collision */
UINT8 *p_tx_ndef_msg; /* allocate buffer for tx NDEF msg */
UINT32 tx_ndef_cur_size; /* current size of NDEF message */
UINT32 tx_ndef_sent_size; /* transmitted size of NDEF message */
UINT8 *p_rx_ndef_msg; /* allocate buffer for rx NDEF msg */
UINT32 rx_ndef_buf_size; /* allocate buffer size for rx NDEF msg */
UINT32 rx_ndef_cur_size; /* current rx size of NDEF message */
tNFA_CHO_CBACK *p_cback; /* callback registered by application */
UINT8 trace_level;
#if (defined (NFA_CHO_TEST_INCLUDED) && (NFA_CHO_TEST_INCLUDED == TRUE))
UINT8 test_enabled;
UINT8 test_version;
UINT16 test_random_number;
#endif
} tNFA_CHO_CB;
/*****************************************************************************
** External variables
*****************************************************************************/
/* NFA Connection Handover control block */
#if NFA_DYNAMIC_MEMORY == FALSE
extern tNFA_CHO_CB nfa_cho_cb;
#else
extern tNFA_CHO_CB *nfa_cho_cb_ptr;
#define nfa_cho_cb (*nfa_cho_cb_ptr)
#endif
/*****************************************************************************
** External functions
*****************************************************************************/
/* nfa_cho_main.c */
void nfa_cho_init (void);
/* nfa_cho_sm.c */
void nfa_cho_sm_llcp_cback (tLLCP_SAP_CBACK_DATA *p_data);
void nfa_cho_sm_execute (tNFA_CHO_INT_EVT event, tNFA_CHO_INT_EVENT_DATA *p_evt_data);
/* nfa_cho_util.c */
void nfa_cho_proc_ndef_type_handler_evt (tNFA_CHO_INT_EVENT_DATA *p_evt_data);
tNFA_STATUS nfa_cho_proc_api_reg (tNFA_CHO_INT_EVENT_DATA *p_evt_data);
void nfa_cho_proc_api_dereg (void);
tNFA_STATUS nfa_cho_create_connection (void);
void nfa_cho_process_disconnection (tNFA_CHO_DISC_REASON disc_reason);
void nfa_cho_notify_tx_fail_evt (tNFA_STATUS status);
tNFA_STATUS nfa_cho_send_handover_msg (void);
tNFA_CHO_RX_NDEF_STATUS nfa_cho_read_ndef_msg (UINT8 local_sap, UINT8 remote_sap);
tNFA_CHO_RX_NDEF_STATUS nfa_cho_reassemble_ho_msg (UINT8 local_sap, UINT8 remote_sap);
tNFA_STATUS nfa_cho_send_hr (tNFA_CHO_API_SEND_HR *p_api_send_hr);
tNFA_STATUS nfa_cho_send_hs (tNFA_CHO_API_SEND_HS *p_api_select);
tNFA_STATUS nfa_cho_send_hs_error (UINT8 error_reason, UINT32 error_data);
void nfa_cho_proc_hr (UINT32 length, UINT8 *p_ndef_msg);
void nfa_cho_proc_hs (UINT32 length, UINT8 *p_ndef_msg);
void nfa_cho_proc_simplified_format (UINT32 length, UINT8 *p_ndef_msg);
tNFA_CHO_MSG_TYPE nfa_cho_get_msg_type (UINT32 length, UINT8 *p_ndef_msg);
tNFA_CHO_ROLE_TYPE nfa_cho_get_local_device_role (UINT32 length, UINT8 *p_ndef_msg);
tNFA_STATUS nfa_cho_update_random_number (UINT8 *p_ndef_msg);
#endif /* (defined (NFA_CHO_INCLUDED) && (NFA_CHO_INCLUDED==TRUE)) */
#endif /* NFA_CHO_INT_H */