ip_id_offset.h File Reference

Offset IP-ID encoding. More...

#include <stdint.h>
#include <stdbool.h>

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Functions
bool	is_ip_id_increasing (const uint16_t old_id, const uint16_t new_id)
	Whether the new IP-ID is increasing.

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Detailed Description

Offset IP-ID encoding.

Author:

Didier Barvaux <didier@barvaux.org>

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Function Documentation

bool is_ip_id_increasing	(	const uint16_t	old_id,
		const uint16_t	new_id
	)

Whether the new IP-ID is increasing.

The new IP-ID is considered as increasing if the new value is greater by a small delta then the previous IP-ID. Wraparound shall be taken into account.

Parameters:

	old_id	The IP-ID of the previous IPv4 header
	new_id	The IP-ID of the current IPv4 header

Returns:

Whether the IP-ID is increasing