/******************************************************************************
 *
 *  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 public interface file for NFA P2P, Broadcom's NFC
 *  application layer for mobile phones.
 *
 ******************************************************************************/
#ifndef NFA_P2P_API_H
#define NFA_P2P_API_H

#include "llcp_api.h"
#include "nfa_api.h"

/*****************************************************************************
**  Constants and data types
*****************************************************************************/

/* NFA P2P Reason of disconnection */
#define NFA_P2P_DISC_REASON_REMOTE_INITIATE \
  0x00 /* remote initiated to disconnect  */
#define NFA_P2P_DISC_REASON_LOCAL_INITITATE \
  0x01 /* local initiated to disconnect   */
#define NFA_P2P_DISC_REASON_NO_SERVICE \
  0x02 /* no service bound in remote      */
#define NFA_P2P_DISC_REASON_REMOTE_REJECT \
  0x03 /* remote rejected connection      */
#define NFA_P2P_DISC_REASON_LLCP_DEACTIVATED \
  0x05 /* LLCP link deactivated           */
#define NFA_P2P_DISC_REASON_NO_INFORMATION \
  0x80 /* Without information             */

/* NFA P2P callback events */
/* Server is registered                         */
#define NFA_P2P_REG_SERVER_EVT 0x00
/* Client is registered                         */
#define NFA_P2P_REG_CLIENT_EVT 0x01
/* LLCP Link has been activated                 */
#define NFA_P2P_ACTIVATED_EVT 0x02
#define NFA_P2P_DEACTIVATED_EVT \
  0x03 /* LLCP Link has been deactivated               */
/* Data link connection request from peer       */
#define NFA_P2P_CONN_REQ_EVT 0x04
/* Data link connection has been established    */
#define NFA_P2P_CONNECTED_EVT 0x05
/* Data link connection has been disconnected   */
#define NFA_P2P_DISC_EVT 0x06
/* Data received from peer                      */
#define NFA_P2P_DATA_EVT 0x07
/* Status indication of outgoing data           */
#define NFA_P2P_CONGEST_EVT 0x08
/* link MIU and Well-Known Service list         */
#define NFA_P2P_LINK_INFO_EVT 0x09
#define NFA_P2P_SDP_EVT 0x0A /* Remote SAP of SDP result */

typedef uint8_t tNFA_P2P_EVT;

/* NFA allocates a SAP for server */
#define NFA_P2P_ANY_SAP LLCP_INVALID_SAP
#define NFA_P2P_INVALID_SAP LLCP_INVALID_SAP

#define NFA_P2P_LLINK_TYPE LLCP_LINK_TYPE_LOGICAL_DATA_LINK
#define NFA_P2P_DLINK_TYPE LLCP_LINK_TYPE_DATA_LINK_CONNECTION
typedef uint8_t tNFA_P2P_LINK_TYPE;

/* Data for NFA_P2P_REG_SERVER_EVT */
typedef struct {
  tNFA_HANDLE server_handle; /* NFA_HANDLE_INVALID if failed */
  char service_name[LLCP_MAX_SN_LEN + 1];
  uint8_t server_sap;
} tNFA_P2P_REG_SERVER;

/* Data for NFA_P2P_REG_CLIENT_EVT */
typedef struct {
  tNFA_HANDLE client_handle; /* NFA_HANDLE_INVALID if failed */
} tNFA_P2P_REG_CLIENT;

/* Data for NFA_P2P_ACTIVATED_EVT */
typedef struct {
  tNFA_HANDLE handle;
  uint16_t local_link_miu;
  uint16_t remote_link_miu;
} tNFA_P2P_ACTIVATED;

/* Data for NFA_P2P_DEACTIVATED_EVT */
typedef struct { tNFA_HANDLE handle; } tNFA_P2P_DEACTIVATED;

/* Data for NFA_P2P_CONN_REQ_EVT */
typedef struct {
  tNFA_HANDLE server_handle;
  tNFA_HANDLE conn_handle;
  uint8_t remote_sap;
  uint16_t remote_miu;
  uint8_t remote_rw;
} tNFA_P2P_CONN_REQ;

/* Data for NFA_P2P_CONNECTED_EVT */
typedef struct {
  tNFA_HANDLE client_handle;
  tNFA_HANDLE conn_handle;
  uint8_t remote_sap;
  uint16_t remote_miu;
  uint8_t remote_rw;
} tNFA_P2P_CONN;

/* Data for NFA_P2P_DISC_EVT */
typedef struct {
  tNFA_HANDLE handle;
  uint8_t reason;
} tNFA_P2P_DISC;

/* Data for NFA_P2P_DATA_EVT */
typedef struct {
  tNFA_HANDLE handle;
  uint8_t remote_sap;
  tNFA_P2P_LINK_TYPE link_type;
} tNFA_P2P_DATA;

/* Data for NFA_P2P_CONGEST_EVT */
typedef struct {
  tNFA_HANDLE handle;
  bool is_congested;
  tNFA_P2P_LINK_TYPE link_type;
} tNFA_P2P_CONGEST;

/* Data for NFA_P2P_LINK_INFO_EVT */
typedef struct {
  tNFA_HANDLE handle;
  uint16_t wks; /* well-known service */
  uint16_t local_link_miu;
  uint16_t remote_link_miu;
} tNFA_P2P_LINK_INFO;

/* Data for NFA_P2P_SDP_EVT */
typedef struct {
  tNFA_HANDLE handle;
  uint8_t remote_sap; /* 0x00 if failed */
} tNFA_P2P_SDP;

/* Union of all P2P callback structures */
typedef union {
  tNFA_P2P_REG_SERVER reg_server;   /* NFA_P2P_REG_SERVER_EVT   */
  tNFA_P2P_REG_CLIENT reg_client;   /* NFA_P2P_REG_CLIENT_EVT   */
  tNFA_P2P_ACTIVATED activated;     /* NFA_P2P_ACTIVATED_EVT    */
  tNFA_P2P_DEACTIVATED deactivated; /* NFA_P2P_DEACTIVATED_EVT  */
  tNFA_P2P_CONN_REQ conn_req;       /* NFA_P2P_CONN_REQ_EVT     */
  tNFA_P2P_CONN connected;          /* NFA_P2P_CONNECTED_EVT    */
  tNFA_P2P_DISC disc;               /* NFA_P2P_DISC_EVT         */
  tNFA_P2P_DATA data;               /* NFA_P2P_DATA_EVT         */
  tNFA_P2P_CONGEST congest;         /* NFA_P2P_CONGEST_EVT      */
  tNFA_P2P_LINK_INFO link_info;     /* NFA_P2P_LINK_INFO_EVT    */
  tNFA_P2P_SDP sdp;                 /* NFA_P2P_SDP_EVT          */
} tNFA_P2P_EVT_DATA;

/* NFA P2P callback */
typedef void(tNFA_P2P_CBACK)(tNFA_P2P_EVT event, tNFA_P2P_EVT_DATA* p_data);

/*****************************************************************************
**  External Function Declarations
*****************************************************************************/

/*******************************************************************************
**
** Function         NFA_P2pRegisterServer
**
** Description      This function is called to listen to a SAP as server on
**                  LLCP.
**
**                  NFA_P2P_REG_SERVER_EVT will be returned with status and
**                  handle.
**
**                  If server_sap is set to NFA_P2P_ANY_SAP, then NFA will
**                  allocate a SAP between LLCP_LOWER_BOUND_SDP_SAP and
**                  LLCP_UPPER_BOUND_SDP_SAP Otherwise, server_sap must be
**                  between (LLCP_SDP_SAP + 1) and LLCP_UPPER_BOUND_SDP_SAP
**
**                  link_type : NFA_P2P_LLINK_TYPE and/or NFA_P2P_DLINK_TYPE
**
** Note:            If RF discovery is started,
**                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
**                  happen before calling this function
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pRegisterServer(uint8_t server_sap,
                                         tNFA_P2P_LINK_TYPE link_type,
                                         char* p_service_name,
                                         tNFA_P2P_CBACK* p_cback);

/*******************************************************************************
**
** Function         NFA_P2pRegisterClient
**
** Description      This function is called to register a client service on
**                  LLCP.
**
**                  NFA_P2P_REG_CLIENT_EVT will be returned with status and
**                  handle.
**
**                  link_type : NFA_P2P_LLINK_TYPE and/or NFA_P2P_DLINK_TYPE
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pRegisterClient(tNFA_P2P_LINK_TYPE link_type,
                                         tNFA_P2P_CBACK* p_cback);

/*******************************************************************************
**
** Function         NFA_P2pDeregister
**
** Description      This function is called to stop listening to a SAP as server
**                  or stop client service on LLCP.
**
** Note:            If this function is called to de-register a server and RF
**                  discovery is started,
**                  NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
**                  happen before calling this function
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pDeregister(tNFA_HANDLE handle);

/*******************************************************************************
**
** Function         NFA_P2pAcceptConn
**
** Description      This function is called to accept a request of data link
**                  connection to a listening SAP on LLCP after receiving
**                  NFA_P2P_CONN_REQ_EVT.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pAcceptConn(tNFA_HANDLE conn_handle, uint16_t miu,
                                     uint8_t rw);

/*******************************************************************************
**
** Function         NFA_P2pRejectConn
**
** Description      This function is called to reject a request of data link
**                  connection to a listening SAP on LLCP after receiving
**                  NFA_P2P_CONN_REQ_EVT.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pRejectConn(tNFA_HANDLE conn_handle);

/*******************************************************************************
**
** Function         NFA_P2pDisconnect
**
** Description      This function is called to disconnect an existing or
**                  connecting data link connection.
**
**                  discard any pending data on data link connection if flush is
**                  set to TRUE
**
**                  NFA_P2P_DISC_EVT will be returned after data link connection
**                  is disconnected
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pDisconnect(tNFA_HANDLE conn_handle, bool flush);

/*******************************************************************************
**
** Function         NFA_P2pConnectByName
**
** Description      This function is called to create a connection-oriented
**                  transport by a service name.
**                  NFA_P2P_CONNECTED_EVT if success
**                  NFA_P2P_DISC_EVT if failed
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if client is not registered
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pConnectByName(tNFA_HANDLE client_handle,
                                        char* p_service_name, uint16_t miu,
                                        uint8_t rw);

/*******************************************************************************
**
** Function         NFA_P2pConnectBySap
**
** Description      This function is called to create a connection-oriented
**                  transport by a SAP.
**                  NFA_P2P_CONNECTED_EVT if success
**                  NFA_P2P_DISC_EVT if failed
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if client is not registered
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pConnectBySap(tNFA_HANDLE client_handle, uint8_t dsap,
                                       uint16_t miu, uint8_t rw);

/*******************************************************************************
**
** Function         NFA_P2pSendUI
**
** Description      This function is called to send data on connectionless
**                  transport.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**                  NFA_STATUS_BAD_LENGTH if data length is more than remote
**                  link MIU
**                  NFA_STATUS_CONGESTED  if congested
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pSendUI(tNFA_HANDLE handle, uint8_t dsap,
                                 uint16_t length, uint8_t* p_data);

/*******************************************************************************
**
** Function         NFA_P2pReadUI
**
** Description      This function is called to read data on connectionless
**                  transport when receiving NFA_P2P_DATA_EVT with
**                  NFA_P2P_LLINK_TYPE.
**
**                  - Remote SAP who sent UI PDU is returned.
**                  - Information of UI PDU up to max_data_len is copied into
**                    p_data.
**                  - If more information of UI PDU or more UI PDU in queue then
**                    more is returned to TRUE.
**                  - Information of next UI PDU is not concatenated.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pReadUI(tNFA_HANDLE handle, uint32_t max_data_len,
                                 uint8_t* p_remote_sap, uint32_t* p_data_len,
                                 uint8_t* p_data, bool* p_more);

/*******************************************************************************
**
** Function         NFA_P2pFlushUI
**
** Description      This function is called to flush data on connectionless
**                  transport.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pFlushUI(tNFA_HANDLE handle, uint32_t* p_length);

/*******************************************************************************
**
** Function         NFA_P2pSendData
**
** Description      This function is called to send data on connection-oriented
**                  transport.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**                  NFA_STATUS_BAD_LENGTH if data length is more than remote MIU
**                  NFA_STATUS_CONGESTED  if congested
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pSendData(tNFA_HANDLE conn_handle, uint16_t length,
                                   uint8_t* p_data);

/*******************************************************************************
**
** Function         NFA_P2pReadData
**
** Description      This function is called to read data on connection-oriented
**                  transport when receiving NFA_P2P_DATA_EVT with
**                  NFA_P2P_DLINK_TYPE.
**
**                  - Information of I PDU is copied into p_data up to
**                    max_data_len.
**                  - If more information of I PDU or more I PDU in queue, then
**                    more is returned to TRUE.
**                  - Information of next I PDU is not concatenated.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pReadData(tNFA_HANDLE handle, uint32_t max_data_len,
                                   uint32_t* p_data_len, uint8_t* p_data,
                                   bool* p_more);

/*******************************************************************************
**
** Function         NFA_P2pFlushData
**
** Description      This function is called to flush data on connection-oriented
**                  transport.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pFlushData(tNFA_HANDLE handle, uint32_t* p_length);

/*******************************************************************************
**
** Function         NFA_P2pSetLocalBusy
**
** Description      This function is called to stop or resume incoming data on
**                  connection-oriented transport.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if handle is not valid
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pSetLocalBusy(tNFA_HANDLE conn_handle, bool is_busy);

/*******************************************************************************
**
** Function         NFA_P2pGetLinkInfo
**
** Description      This function is called to get local/remote link MIU and
**                  Well-Known Service list encoded as a 16-bit field of
**                  connected LLCP. NFA_P2P_LINK_INFO_EVT will be returned.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if server or client is not registered
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pGetLinkInfo(tNFA_HANDLE handle);

/*******************************************************************************
**
** Function         NFA_P2pGetRemoteSap
**
** Description      This function is called to get SAP associated by service
**                  name on connected remote LLCP.
**                  NFA_P2P_SDP_EVT will be returned.
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_BAD_HANDLE if server or client is not registered
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pGetRemoteSap(tNFA_HANDLE handle,
                                       char* p_service_name);

/*******************************************************************************
**
** Function         NFA_P2pSetLLCPConfig
**
** Description      This function is called to change LLCP config parameters.
**                  Application must call while LLCP is not activated.
**
**                  Parameters descriptions (default value)
**                  - Local Link MIU (LLCP_MIU)
**                  - Option parameter (LLCP_OPT_VALUE)
**                  - Response Waiting Time Index (LLCP_WAITING_TIME)
**                  - Local Link Timeout (LLCP_LTO_VALUE)
**                  - Inactivity Timeout as initiator role
**                    (LLCP_INIT_INACTIVITY_TIMEOUT)
**                  - Inactivity Timeout as target role
**                    (LLCP_TARGET_INACTIVITY_TIMEOUT)
**                  - Delay SYMM response (LLCP_DELAY_RESP_TIME)
**                  - Data link connection timeout
**                    (LLCP_DATA_LINK_CONNECTION_TOUT)
**                  - Delay timeout to send first PDU as initiator
**                    (LLCP_DELAY_TIME_TO_SEND_FIRST_PDU)
**
** Returns          NFA_STATUS_OK if successfully initiated
**                  NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_P2pSetLLCPConfig(uint16_t link_miu, uint8_t opt,
                                        uint8_t wt, uint16_t link_timeout,
                                        uint16_t inact_timeout_init,
                                        uint16_t inact_timeout_target,
                                        uint16_t symm_delay,
                                        uint16_t data_link_timeout,
                                        uint16_t delay_first_pdu_timeout);

/*******************************************************************************
**
** Function         NFA_P2pGetLLCPConfig
**
** Description      This function is called to read LLCP config parameters.
**
**                  Parameters descriptions
**                  - Local Link MIU
**                  - Option parameter
**                  - Response Waiting Time Index
**                  - Local Link Timeout
**                  - Inactivity Timeout as initiator role
**                  - Inactivity Timeout as target role
**                  - Delay SYMM response
**                  - Data link connection timeout
**                  - Delay timeout to send first PDU as initiator
**
** Returns          None
**
*******************************************************************************/
extern void NFA_P2pGetLLCPConfig(uint16_t* p_link_miu, uint8_t* p_opt,
                                 uint8_t* p_wt, uint16_t* p_link_timeout,
                                 uint16_t* p_inact_timeout_init,
                                 uint16_t* p_inact_timeout_target,
                                 uint16_t* p_symm_delay,
                                 uint16_t* p_data_link_timeout,
                                 uint16_t* p_delay_first_pdu_timeout);

#endif /* NFA_P2P_API_H */