The header of an IPv4 packet. More...

#include <ipv4.h>

Public Attributes
uint8_t	header_length: 4
	The length of the header in 32-bit words (min 5, max 15)

uint8_t	version: 4
	The version of the IP protocol (4 for IPv4)

uint8_t	type_of_service
	The type of service (low delay, high throughput, high reliability, etc.

uint16_t	total_length
	The total length of the IP packet (header + data) in bytes.

uint16_t	identifier
	Unique identifier for the group of fragments of a single IP packet.

uint16_t	flags_and_offset
	Flags (3 bits) and Fragment Offset (13 bits)

uint8_t	time_to_live
	The maximum hops between devices before the packet is discarded.

uint8_t	protocol
	The protocol of the payload (TCP, UDP, ICMP, etc.

uint16_t	checksum
	The checksum of the header.

uint32_t	source_ip
	The IP of the sender.

uint32_t	destination_ip
	The IP of the receiver.

Detailed Description

The header of an IPv4 packet.

Definition at line 28 of file ipv4.h.

Member Data Documentation

◆ checksum

uint16_t MaxOS::net::IPV4Header::checksum

The checksum of the header.

Definition at line 40 of file ipv4.h.

◆ destination_ip

uint32_t MaxOS::net::IPV4Header::destination_ip

The IP of the receiver.

Definition at line 43 of file ipv4.h.

◆ flags_and_offset

uint16_t MaxOS::net::IPV4Header::flags_and_offset

Flags (3 bits) and Fragment Offset (13 bits)

Todo:: : bitfield struct?

Definition at line 36 of file ipv4.h.

◆ header_length

uint8_t MaxOS::net::IPV4Header::header_length

The length of the header in 32-bit words (min 5, max 15)

Definition at line 30 of file ipv4.h.

◆ identifier

uint16_t MaxOS::net::IPV4Header::identifier

Unique identifier for the group of fragments of a single IP packet.

Definition at line 35 of file ipv4.h.

◆ protocol

uint8_t MaxOS::net::IPV4Header::protocol

The protocol of the payload (TCP, UDP, ICMP, etc.

Todo:: : enum

Definition at line 39 of file ipv4.h.

◆ source_ip

uint32_t MaxOS::net::IPV4Header::source_ip

The IP of the sender.

Definition at line 42 of file ipv4.h.

◆ time_to_live

uint8_t MaxOS::net::IPV4Header::time_to_live

The maximum hops between devices before the packet is discarded.

Definition at line 38 of file ipv4.h.

◆ total_length

uint16_t MaxOS::net::IPV4Header::total_length

The total length of the IP packet (header + data) in bytes.

Definition at line 33 of file ipv4.h.

◆ type_of_service

uint8_t MaxOS::net::IPV4Header::type_of_service

The type of service (low delay, high throughput, high reliability, etc.

Todo:: : enum

Definition at line 32 of file ipv4.h.

◆ version

uint8_t MaxOS::net::IPV4Header::version

The version of the IP protocol (4 for IPv4)

Definition at line 31 of file ipv4.h.

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

/home/runner/work/MaxOS/MaxOS/kernel/include/net/ipv4.h

Public Attributes