/*
 ******************************************************************************
 *                     INTERPEAK API HEADER FILE
 ******************************************************************************
 */
#ifndef IPDHCPC6_DUID_H
#define IPDHCPC6_DUID_H

/*
 ****************************************************************************
 * 1                    DESCRIPTION
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 2                    CONFIGURATION
 ****************************************************************************
 */


/*
 ****************************************************************************
 * 3                    INCLUDE FILES
 ****************************************************************************
 */

#include <ipcom_type.h>
#include <ipcom_cstyle.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 ****************************************************************************
 * 4                    DEFINES
 ****************************************************************************
 */

/* Link-layer address plus time */
#define IPDHCPC6_DUID_LLT   1
/* Vendor-assigned unique ID based on Enterprise Number */
#define IPDHCPC6_DUID_EN    2
/* Link-layer address */
#define IPDHCPC6_DUID_LL    3

/*
 ****************************************************************************
 * 5                    TYPES
 ****************************************************************************
 */

/* Generic format for DHCP Unique IDentification */
struct Ipdhcpc6_duid_generic
{
    /* The type of DUID this is */
    Ip_u16  content;
    Ip_u8   data[1];
};


/* DUID Based on Link-layer Address Plus Time */
struct Ipdhcpc6_duid_llt_data
{
    /* Content is always IPDHCPC6_DUID_LLT for this type */
    Ip_u16  content;
    /* Link layer hardware type */
    Ip_u16  hardware_type;
    /* Time when this DUID was created */
    Ip_u32  time;
    /* Link layer address from one of the interfaces (variable length) */
    Ip_u8   link_addr[6];
};


/* DUID Assigned by Vendor Based on Enterprise Number */
struct Ipdhcpc6_duid_en_data
{
    /* Content is always IPDHCPC6_DUID_EN for this type */
    Ip_u16  content;
    /* Vendor's registered Private Enterprise Number as maintained by IANA  */
    Ip_u16  enterprise_number_1;
    Ip_u16  enterprise_number_2;
    /* Vendor specified ID (variable length) */
    Ip_u8   id[1];
};


/* DUID Based on Link-layer Address */
struct Ipdhcpc6_duid_ll_data
{
    /* Content is always IPDHCPC6_DUID_LL for this type */
    Ip_u16  content;
    /* Link layer hardware type */
    Ip_u16  hardware_type;
    /* Link layer address from one of the interfaces (variable length) */
    Ip_u8   link_addr[6];
};


union Ipdhcpc6_duid_data
{
    struct Ipdhcpc6_duid_generic    generic;
    struct Ipdhcpc6_duid_llt_data   llt;
    struct Ipdhcpc6_duid_en_data    en;
    struct Ipdhcpc6_duid_ll_data    ll;
};


typedef struct Ipdhcpc6_duid_struct
{
    /* The length of DUID data */
    Ip_u16  len;
    union Ipdhcpc6_duid_data    data;
}
Ipdhcpc6_duid;

/*
 ****************************************************************************
 * 6                    FUNCTIONS
 ****************************************************************************
 */

IP_GLOBAL Ip_err ipdhcpc6_duid_initialize(void);

#ifdef __cplusplus
}
#endif

#endif

/*
 ****************************************************************************
 *                      END OF FILE
 ****************************************************************************
 */