packet Struct Reference
[Packet management system]

Packet header. More...

#include <packet_header.h>

Data Fields
packet_id_t	packet_id
	Packet identifier.
size_t	order
	Packet queue sorting value.
size_t	metric
	Packet metric.
packet_id_t	previous
	Previous packet in the queue.
packet_id_t	next
	Next packet in the queue.
size_t	length
	Total length of the packet.
size_t	addr_len
	Stored source and destination addresses length.
size_t	src_addr
	Souce address offset in bytes from the beginning of the packet header.
size_t	dest_addr
	Destination address offset in bytes from the beginning of the packet header.
size_t	max_prefix
	Reserved data prefix length in bytes.
size_t	max_content
	Reserved content length in bytes.
size_t	data_start
	Actual data start offset in bytes from the beginning of the packet header.
size_t	data_end
	Actual data end offset in bytes from the beginning of the packet header.
int	magic_value
	Integrity check magic value.

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Detailed Description

Packet header.

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Field Documentation

size_t packet::addr_len

Stored source and destination addresses length.

size_t packet::data_end

Actual data end offset in bytes from the beginning of the packet header.

size_t packet::data_start

Actual data start offset in bytes from the beginning of the packet header.

size_t packet::dest_addr

Destination address offset in bytes from the beginning of the packet header.

size_t packet::length

Total length of the packet.

Contains the header, the addresses and the data of the packet. Corresponds to the mapped sharable memory block.

Referenced by icmp_echo(), icmp_process_client_messages(), icmp_process_packet(), packet_create(), packet_destroy(), packet_get(), packet_release(), and packet_reply().

int packet::magic_value

Integrity check magic value.

Referenced by packet_create(), and packet_is_valid().

size_t packet::max_content

Reserved content length in bytes.

size_t packet::max_prefix

Reserved data prefix length in bytes.

size_t packet::metric

Packet metric.

packet_id_t packet::next

Next packet in the queue.

Referenced by packet_get().

size_t packet::order

Packet queue sorting value.

The packet queue is sorted the ascending order.

packet_id_t packet::packet_id

Packet identifier.

Referenced by packet_create().

packet_id_t packet::previous

Previous packet in the queue.

size_t packet::src_addr

Souce address offset in bytes from the beginning of the packet header.

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The documentation for this struct was generated from the following file:

• structures/packet/packet_header.h