/*===========================================================================
                    Combined Charging System (CCS): SECC
                                EVComm.h

                        initiated by Vern, Joseph
                           (since 2019/07/19)
   =============================================================================*/

#ifndef EVCOMM_H_
#define EVCOMM_H_


#define QcaInterface                        "eth0"
#define SupportBcbToggle
#define SdpUdpServerPort                    15118
#define SdpTcpServerPort                    59438   //49152-65535
#define IPV6_LINK_LOCAL_PREFIX              0xFE80

/***********************************************/
/*********** Ethernet Type ********************/
/**********************************************/
#define EtherType_HomePlug                  0x88E1

/***********************************************/
/*** MMTYPE (Management Message Type) **/
/**********************************************/
#define MMTYPE_CM_SET_KEY_REQ               0x6008
#define MMTYPE_CM_SET_KEY_CNF               0x6009
#define MMTYPE_CM_SLAC_PARM_REQ             0x6064
#define MMTYPE_CM_SLAC_PARM_CNF             0x6065
#define MMTYPE_CM_START_ATTEN_CHAR_IND      0x606A
#define MMTYPE_CM_MNBC_SOUND_IND            0x6076
#define MMTYPE_CM_ATTN_CHAR_IND             0x606E
#define MMTYPE_CM_ATTN_CHAR_RSP             0x606F
#define MMTYPE_CM_VALIDATE_REQ              0x6078
#define MMTYPE_CM_VALIDATE_CNF              0x6079
#define MMTYPE_CM_SLAC_MATCH_REQ            0x607C
#define MMTYPE_CM_SLAC_MATCH_CNF            0x607D
#define MMTYPE_CM_ATTEN_PROFILE_IND         0x6086
//following are the vendor specific type
#define MMTYPE_VENDOR_VS_HOST_ACTION        0xA062      //Embedded Host Action Requested Indication MME
#define MMTYPE_VENDOR_ATTEN_CHAR            0xA14E      //Attenuation Characteristics MME (VS_ATTEN_CHAR)
#define MMTYPE_VENDOR_VS_NW_INFO            0xA038      //Network Info MME
#define MMTYPE_VENDOR_VS_NW_INFO_CNF        0xA039      //Network Info MME

/***********************************************/
/************** V2GTP Payload Type ************/
/**********************************************/
#define V2GTP_PAYLOAD_TYPE_SDP_REQUEST      0x9000      //SDP request message
#define V2GTP_PAYLOAD_TYPE_SDP_RESPONSE     0x9001      //SDP response message
#define V2GTP_PAYLOAD_TYPE_EXI_MSG          0x8001      //EXI encoded V2G Message
//Payload
#define SDP_PAYLOAD_SECURITY_TLS            0x00            //0x00 = secured with TLS
#define SDP_PAYLOAD_SECURITY_NONE           0x10            //0x10 = No transport layer security
#define SDP_PAYLOAD_TRANS_PROTOCOL_TCP      0x00            //0x00= TCP
#define SDP_PAYLOAD_TRANS_PROTOCOL_UDP      0x10            //0x10 = reserved for UDP
/***********************************************/
/****** Timing and constant values **********/
/*********** [2015] ISO 15118_3 ***************/
/**********************************************/
#define C_EV_match_MNBC                     0x0A
#define TT_EVSE_SLAC_init                   50          //unit: sec.
#define TT_match_sequence                   400         //unit: ms
#define TT_EVSE_match_MNBC                  6           //unit: 100ms
#define TP_match_response                   100         //unit: ms, General performance time for a response to a request
#define TT_match_response                   200         //unit: ms, Time that the EV/EVSE shall wait for a response from the EVSE/EV
#define TP_EV_batch_msg_interval            50          //unit: ms
#define TT_EVSE_match_session               10000       //unit: ms
#define TT_match_join                       12000       //unit: ms
/***********************************************/
/*************** Structure *********************/
/**********************************************/
struct MmeHeader
{
    unsigned char ODA[6];       //Original Destination Address
    unsigned char OSA[6];           //Original source Address
    //unsigned int VLAN Tag;        //IEEE802.1Q VLAN Tag (optional)
    unsigned short MTYPE;           //Ethernet Type for HomePlug, should be 0x88E1
    unsigned char MMV;          //Management Message Version
    unsigned short MMTYPE;      //Management Message Type
    unsigned char FMI[2];           //Fragmentation Management Information, Fragmentation Message Sequence Number
    unsigned char MMENTRY[256]; //Management Message Entry Data
} __attribute__((packed));

//Qualcomm Atheros Vendor Specific MME Format
struct QcaVendorMmeHeader
{
    unsigned char ODA[6];       //Original Destination Address
    unsigned char OSA[6];           //Original source Address
    //unsigned int VLAN Tag;        //IEEE802.1Q VLAN Tag (optional)
    unsigned short MTYPE;           //Ethernet Type for HomePlug, should be 0x88E1
    unsigned char MMV;          //Management Message Version
    unsigned short MMTYPE;      //Management Message Type
    unsigned char OUI[3];           //Fragmentation Management Information, Fragmentation Message Sequence Number
    unsigned char MBODY[1024];  //Management Message Entry Data
} __attribute__((packed));

struct V2gtpHeader
{
    unsigned char ProtocolVersion;          //0x01: V2GTP version 1, 0x00, 0x02-0xFF reserved
    unsigned char InverseProtocolVersion;   //Equals the <Protocol_Version> XOR 0xFF, 0xFE: V2GTP Version 1
    unsigned short PayloadType;             //0x8001:	EXI encoded V2G Message,
    //0x9000:	SDP request message,
    //0x9001:	SDP response message,
    //0xA000 - 0xFFFF:	Manufacturer specific use
    unsigned int PayloadLength;         //excluding the generic V2GTP header byte
} __attribute__((packed));

#endif