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/******************************************************************************
 *
 *  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 SNEP.
 *
 ******************************************************************************/
#ifndef NFA_SNEP_INT_H
#define NFA_SNEP_INT_H

#if (defined (NFA_SNEP_INCLUDED) && (NFA_SNEP_INCLUDED==TRUE))
#include "llcp_api.h"
#include "nfa_snep_api.h"

/*****************************************************************************
**  Constants and data types
*****************************************************************************/
#define NFA_SNEP_DEFAULT_SERVER_SAP     0x04    /* SNEP default server SAP   */
#define NFA_SNEP_HEADER_SIZE            6       /* SNEP header size          */
#define NFA_SNEP_ACCEPT_LEN_SIZE        4       /* SNEP Acceptable Length size */
#define NFA_SNEP_CLIENT_TIMEOUT         1000    /* ms, waiting for response  */

/* NFA SNEP events */
enum
{
    NFA_SNEP_API_START_DEFAULT_SERVER_EVT  = NFA_SYS_EVT_START (NFA_ID_SNEP),
    NFA_SNEP_API_STOP_DEFAULT_SERVER_EVT,
    NFA_SNEP_API_REG_SERVER_EVT,
    NFA_SNEP_API_REG_CLIENT_EVT,
    NFA_SNEP_API_DEREG_EVT,
    NFA_SNEP_API_CONNECT_EVT,
    NFA_SNEP_API_GET_REQ_EVT,
    NFA_SNEP_API_PUT_REQ_EVT,
    NFA_SNEP_API_GET_RESP_EVT,
    NFA_SNEP_API_PUT_RESP_EVT,
    NFA_SNEP_API_DISCONNECT_EVT,

    NFA_SNEP_LAST_EVT
};

/* data type for NFA_SNEP_API_START_DEFAULT_SERVER_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_SNEP_CBACK     *p_cback;
} tNFA_SNEP_API_START_DEFAULT_SERVER;

/* data type for NFA_SNEP_API_STOP_DEFAULT_SERVER_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_SNEP_CBACK     *p_cback;
} tNFA_SNEP_API_STOP_DEFAULT_SERVER;

/* data type for NFA_SNEP_API_REG_SERVER_EVT */
typedef struct
{
    BT_HDR              hdr;
    UINT8               server_sap;
    char                service_name[LLCP_MAX_SN_LEN + 1];
    tNFA_SNEP_CBACK     *p_cback;
} tNFA_SNEP_API_REG_SERVER;

/* data type for NFA_SNEP_API_REG_CLIENT_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_SNEP_CBACK     *p_cback;
} tNFA_SNEP_API_REG_CLIENT;

/* data type for NFA_SNEP_API_DEREG_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_HANDLE         reg_handle;     /* handle for registered server/client */
} tNFA_SNEP_API_DEREG;

/* data type for NFA_SNEP_API_CONNECT_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_HANDLE         client_handle;  /* handle for client                   */
    char                service_name[LLCP_MAX_SN_LEN + 1];
} tNFA_SNEP_API_CONNECT;

/* data type for NFA_SNEP_API_GET_REQ_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_HANDLE         conn_handle;    /* handle for data link connection      */
    UINT32              buff_length;    /* length of buffer; acceptable length  */
    UINT32              ndef_length;    /* length of current NDEF message       */
    UINT8               *p_ndef_buff;   /* buffer for NDEF message              */
} tNFA_SNEP_API_GET_REQ;

/* data type for NFA_SNEP_API_PUT_REQ_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_HANDLE         conn_handle;    /* handle for data link connection */
    UINT32              ndef_length;    /* length of NDEF message          */
    UINT8               *p_ndef_buff;   /* buffer for NDEF message         */
} tNFA_SNEP_API_PUT_REQ;

/* data type for NFA_SNEP_API_GET_RESP_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_HANDLE         conn_handle;    /* handle for data link connection */
    tNFA_SNEP_RESP_CODE resp_code;      /* response code                   */
    UINT32              ndef_length;    /* length of NDEF message          */
    UINT8               *p_ndef_buff;   /* buffer for NDEF message         */
} tNFA_SNEP_API_GET_RESP;

/* data type for NFA_SNEP_API_PUT_RESP_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_HANDLE         conn_handle;    /* handle for data link connection */
    tNFA_SNEP_RESP_CODE resp_code;      /* response code                   */
} tNFA_SNEP_API_PUT_RESP;

/* data type for NFA_SNEP_API_DISCONNECT_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_HANDLE         conn_handle;    /* response code                   */
    BOOLEAN             flush;          /* TRUE if discard pending data    */
} tNFA_SNEP_API_DISCONNECT;

/* union of all event data types */
typedef union
{
    BT_HDR                              hdr;
    tNFA_SNEP_API_START_DEFAULT_SERVER  api_start_default_server;   /* NFA_SNEP_API_START_DEFAULT_SERVER_EVT */
    tNFA_SNEP_API_STOP_DEFAULT_SERVER   api_stop_default_server;    /* NFA_SNEP_API_STOP_DEFAULT_SERVER_EVT  */
    tNFA_SNEP_API_REG_SERVER            api_reg_server;             /* NFA_SNEP_API_REG_SERVER_EVT   */
    tNFA_SNEP_API_REG_CLIENT            api_reg_client;             /* NFA_SNEP_API_REG_CLIENT_EVT   */
    tNFA_SNEP_API_DEREG                 api_dereg;                  /* NFA_SNEP_API_DEREG_EVT        */
    tNFA_SNEP_API_CONNECT               api_connect;                /* NFA_SNEP_API_CONNECT_EVT      */
    tNFA_SNEP_API_GET_REQ               api_get_req;                /* NFA_SNEP_API_GET_REQ_EVT      */
    tNFA_SNEP_API_PUT_REQ               api_put_req;                /* NFA_SNEP_API_PUT_REQ_EVT      */
    tNFA_SNEP_API_GET_RESP              api_get_resp;               /* NFA_SNEP_API_GET_RESP_EVT     */
    tNFA_SNEP_API_PUT_RESP              api_put_resp;               /* NFA_SNEP_API_PUT_RESP_EVT     */
    tNFA_SNEP_API_DISCONNECT            api_disc;                   /* NFA_SNEP_API_DISCONNECT_EVT   */
} tNFA_SNEP_MSG;

/*****************************************************************************
**  control block
*****************************************************************************/

/* NFA SNEP service control block */
#define NFA_SNEP_FLAG_ANY               0x00   /* ignore flags while searching   */
#define NFA_SNEP_FLAG_SERVER            0x01   /* server */
#define NFA_SNEP_FLAG_CLIENT            0x02   /* client */
#define NFA_SNEP_FLAG_CONNECTING        0x04   /* waiting for connection confirm */
#define NFA_SNEP_FLAG_CONNECTED         0x08   /* data link connected            */
#define NFA_SNEP_FLAG_W4_RESP_CONTINUE  0x10   /* Waiting for continue response  */
#define NFA_SNEP_FLAG_W4_REQ_CONTINUE   0x20   /* Waiting for continue request   */

typedef struct
{
    UINT8               local_sap;      /* local SAP of service */
    UINT8               remote_sap;     /* local SAP of service */
    UINT8               flags;          /* internal flags       */
    tNFA_SNEP_CBACK    *p_cback;        /* callback for event   */
    TIMER_LIST_ENT      timer;          /* timer for client     */

    UINT16              tx_miu;         /* adjusted MIU for throughput              */
    BOOLEAN             congest;        /* TRUE if data link connection is congested */
    BOOLEAN             rx_fragments;   /* TRUE if waiting more fragments            */

    UINT8               tx_code;        /* transmitted code in request/response */
    UINT8               rx_code;        /* received code in request/response    */

    UINT32              acceptable_length;
    UINT32              buff_length;    /* size of buffer for NDEF message   */
    UINT32              ndef_length;    /* length of NDEF message            */
    UINT32              cur_length;     /* currently sent or received length */
    UINT8               *p_ndef_buff;   /* NDEF message buffer               */
} tNFA_SNEP_CONN;

/*
** NFA SNEP control block
*/
typedef struct
{
    tNFA_SNEP_CONN      conn[NFA_SNEP_MAX_CONN];
    BOOLEAN             listen_enabled;
    BOOLEAN             is_dta_mode;
    UINT8               trace_level;
} tNFA_SNEP_CB;

/*
** NFA SNEP default server control block
*/

/* multiple data link connections for default server */
typedef struct
{
    tNFA_HANDLE         conn_handle;    /* connection handle for default server   */
    UINT8               *p_rx_ndef;     /* buffer to receive NDEF                 */
} tNFA_SNEP_DEFAULT_CONN;

#define NFA_SNEP_DEFAULT_MAX_CONN    3

typedef struct
{

    tNFA_HANDLE             server_handle;                  /* registered handle for default server   */
    tNFA_SNEP_DEFAULT_CONN  conn[NFA_SNEP_DEFAULT_MAX_CONN];/* connections for default server         */

} tNFA_SNEP_DEFAULT_CB;

/*****************************************************************************
**  External variables
*****************************************************************************/

/* NFA SNEP control block */
#if NFA_DYNAMIC_MEMORY == FALSE
extern tNFA_SNEP_CB nfa_snep_cb;
#else
extern tNFA_SNEP_CB *nfa_snep_cb_ptr;
#define nfa_snep_cb (*nfa_snep_cb_ptr)
#endif

/* NFA SNEP default server control block */
#if NFA_DYNAMIC_MEMORY == FALSE
extern tNFA_SNEP_DEFAULT_CB nfa_snep_default_cb;
#else
extern tNFA_SNEP_DEFAULT_CB *nfa_snep_default_cb_ptr;
#define nfa_snep_default_cb (*nfa_snep_default_cb_ptr)
#endif

/*****************************************************************************
**  External functions
*****************************************************************************/
/*
**  nfa_snep_main.c
*/
void nfa_snep_init (BOOLEAN is_dta_mode);
/*
**  nfa_snep_default.c
*/
void nfa_snep_default_init (void);
BOOLEAN nfa_snep_start_default_server (tNFA_SNEP_MSG *p_msg);
BOOLEAN nfa_snep_stop_default_server (tNFA_SNEP_MSG *p_msg);
/*
**  nfa_snep_srv.c
*/
UINT8 nfa_snep_allocate_cb (void);
void nfa_snep_deallocate_cb (UINT8 xx);
void nfa_snep_send_msg (UINT8 opcode, UINT8 dlink);

void nfa_snep_llcp_cback (tLLCP_SAP_CBACK_DATA *p_data);
void nfa_snep_proc_llcp_data_ind (tLLCP_SAP_CBACK_DATA  *p_data);
void nfa_snep_proc_llcp_connect_ind (tLLCP_SAP_CBACK_DATA  *p_data);
void nfa_snep_proc_llcp_connect_resp (tLLCP_SAP_CBACK_DATA  *p_data);
void nfa_snep_proc_llcp_disconnect_ind (tLLCP_SAP_CBACK_DATA  *p_data);
void nfa_snep_proc_llcp_disconnect_resp (tLLCP_SAP_CBACK_DATA  *p_data);
void nfa_snep_proc_llcp_congest (tLLCP_SAP_CBACK_DATA  *p_data);
void nfa_snep_proc_llcp_link_status (tLLCP_SAP_CBACK_DATA  *p_data);
void nfa_snep_proc_llcp_tx_complete (tLLCP_SAP_CBACK_DATA  *p_data);

BOOLEAN nfa_snep_reg_server (tNFA_SNEP_MSG *p_msg);
BOOLEAN nfa_snep_reg_client (tNFA_SNEP_MSG *p_msg);
BOOLEAN nfa_snep_dereg (tNFA_SNEP_MSG *p_msg);
BOOLEAN nfa_snep_connect (tNFA_SNEP_MSG *p_msg);
BOOLEAN nfa_snep_put_resp (tNFA_SNEP_MSG *p_msg);
BOOLEAN nfa_snep_get_resp (tNFA_SNEP_MSG *p_msg);
BOOLEAN nfa_snep_put_req (tNFA_SNEP_MSG *p_msg);
BOOLEAN nfa_snep_get_req (tNFA_SNEP_MSG *p_msg);
BOOLEAN nfa_snep_disconnect (tNFA_SNEP_MSG *p_msg);

#endif /* (defined (NFA_SNEP_INCLUDED) && (NFA_SNEP_INCLUDED==TRUE)) */
#endif /* NFA_SNEP_INT_H */