IPv6.h

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// Product  OpenNet


// TEST COVERAGE  2019-05-10  KMS - Martin Dubois, ing.

#pragma once

// Includes

// ===== Includes ===========================================================
#include <OpenNetK/ByteOrder.h>

// Constants

#define IPv6_ETHERNET_TYPE_nh (0xdd86)

#define IPv6_HEADER_SIZE_byte (40)

#ifndef _OPEN_NET_NO_FUNCTION_

// Functions

// LIMITATION  IPv6.MultiHeader
//             Not supported

OPEN_NET_GLOBAL unsigned char * IPv6_Data(OPEN_NET_GLOBAL unsigned char * aData)
{
    return ( aData + IPv6_HEADER_SIZE_byte );
}

unsigned int IPv6_DataSize(OPEN_NET_GLOBAL unsigned char * aData)
{
    return ByteOrder_Swap16(*((OPEN_NET_GLOBAL unsigned short *)(aData + 4)));
}

OPEN_NET_GLOBAL unsigned short * IPv6_Destination(OPEN_NET_GLOBAL unsigned char * aData)
{
    return ((OPEN_NET_GLOBAL unsigned short *)(aData + 24));
}

unsigned char IPv6_Protocol(OPEN_NET_GLOBAL unsigned char * aData)
{
    return aData[6];
}

OPEN_NET_GLOBAL unsigned short * IPv6_Source(OPEN_NET_GLOBAL unsigned char * aData)
{
    return ((OPEN_NET_GLOBAL unsigned short *)(aData + 8));
}

#endif // ! _OPEN_NET_NO_FUNCTION_