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#ifndef __NET_PACKET_HEADER_H__
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#ifndef __NET_PACKET_HEADER_H__
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#define __NET_PACKET_HEADER_H__
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#define __NET_PACKET_HEADER_H__
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#include "packet.h"
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#include "packet.h"
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/** Returns the actual packet data length.
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 *  @param header The packet header. Input parameter.
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 */
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#define PACKET_DATA_LENGTH( header )        (( header )->data_end - ( header )->data_start )
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/** Returns the maximum packet address length.
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 *  @param header The packet header. Input parameter.
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 */
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#define PACKET_MAX_ADDRESS_LENGTH( header )     (( header )->dest_addr - ( header )->src_addr )
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/** Returns the minimum packet suffix.
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 *  @param header The packet header. Input parameter.
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 */
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#define PACKET_MIN_SUFFIX( header )     (( header )->length - ( header )->data_start - ( header )->max_content )
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/** Packet integrity check magic value.
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/** Packet integrity check magic value.
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 */
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 */
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#define PACKET_MAGIC_VALUE  0x11227788
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#define PACKET_MAGIC_VALUE  0x11227788
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/** Packet header.
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/** Packet header.
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     */
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     */
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    packet_id_t     packet_id;
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    packet_id_t     packet_id;
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    /** Packet queue sorting value.
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    /** Packet queue sorting value.
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     *  The packet queue is sorted the ascending order.
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     *  The packet queue is sorted the ascending order.
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     */
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     */
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    int             order;
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    size_t          order;
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    /** Packet metric.
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    /** Packet metric.
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     */
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     */
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    size_t          metric;
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    size_t          metric;
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    /** Previous packet in the queue.
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    /** Previous packet in the queue.
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     */
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     */