struct frame {

	//ethernet frame

	// --------------------------------------------------
	// |  MAC destination  |  MAC source  |  Ethertype  |
	// --------------------------------------------------
	// |     48 bites      |   48 bites   |   16 bites  |
	// --------------------------------------------------


	// MAC destination
	unsigned short eth_mac_dst_1, eth_mac_dst_2, eth_mac_dst_3;

	// MAC source
	unsigned short eth_mac_src_1, eth_mac_src_2, eth_mac_src_3;

	//Ethertype
	unsigned short eth_type;

//=======================================================================================


	//ipv6 packet

	// ------------------------------------------------------------------------------------------------------------------------------------------
	// |  Version  |  Traffic Class  |  Flow Label  |  Payload Length  |  Next Header  |  Hop Limit  |  Source Address  |  Destination Address  |
	// ------------------------------------------------------------------------------------------------------------------------------------------
	// |  4 bits   |      2 bits     |   20 bits    |      16 bits     |     8 bits    |   8 bits    |     182 bits     |        182 bits       |
	// ------------------------------------------------------------------------------------------------------------------------------------------


	// Version, Traffic Class, Flow Label
	unsigned short ver_trf_flw_1, ver_trf_flw_2;

	// Payload Length
	unsigned short payload_length;

	// Next Header
	unsigned char next_header;

	// Hop Limit
	unsigned char hop_limit;

	// Source Address
	unsigned short ip6_src_1, ip6_src_2, ip6_src_3, ip6_src_4, ip6_src_5, ip6_src_6, ip6_src_7, ip6_src_8;

	// Destination Address
	unsigned short ip6_dst_1, ip6_dst_2, ip6_dst_3, ip6_dst_4, ip6_dst_5, ip6_dst_6, ip6_dst_7, ip6_dst_8;

//=======================================================================================

	//icmp6
	// -------------------------------------
	// |   Type   |   Code   |   Checksum  |
	// -------------------------------------
	// |  8 bits  |  8 bits  |   16 bits   |
	// -------------------------------------

	// Type
	unsigned char icmp_type;

	// Code
	unsigned char icmp_code;

	// Checksum
	unsigned short icmp_checksum;

};