vbvx::IPv4Header Struct Reference

IPv4 header (minimum 20 bytes). More...

#include <ip4_header.hxx>

Public Member Functions
constexpr auto	version () const noexcept -> uint8_t
constexpr auto	ihl_words () const noexcept -> uint16_t
constexpr auto	ihl_bytes () const noexcept -> uint16_t
constexpr auto	dscp () const noexcept -> uint8_t
constexpr auto	ecn () const noexcept -> uint8_t
constexpr auto	total_length () const noexcept -> uint16_t
constexpr auto	id () const noexcept -> uint16_t
constexpr auto	frag_off () const noexcept -> uint16_t
constexpr auto	frag_flags () const noexcept -> IPv4Flags
constexpr bool	has_flag (IPv4Flags flag) const noexcept
constexpr auto	frag_offset_units8 () const noexcept -> uint16_t
constexpr auto	frag_offset_bytes () const noexcept -> uint16_t
constexpr bool	is_fragmented () const noexcept
constexpr void	set_frag_flags (IPv4Flags flags) noexcept
constexpr void	set_frag_offset_units8 (uint16_t units8) noexcept
constexpr void	set_frag_offset_bytes (uint16_t bytes) noexcept
constexpr void	set_df (bool enabled) noexcept
constexpr void	set_mf (bool enabled) noexcept
constexpr auto	l4_protocol () const noexcept -> IpProtocol
constexpr auto	checksum () const noexcept -> uint16_t
constexpr void	set_checksum (uint16_t v) noexcept
constexpr auto	src_addr () const noexcept -> uint32_t
constexpr auto	dst_addr () const noexcept -> uint32_t
constexpr void	set_src (uint32_t v) noexcept
constexpr void	set_dst (uint32_t v) noexcept
constexpr bool	valid_min_size () const noexcept

Public Attributes
uint8_t	version_ihl
uint8_t	tos
uint16_t	total_length_be
uint16_t	id_be
uint16_t	frag_off_be
uint8_t	ttl
uint8_t	protocol
uint16_t	checksum_be
uint32_t	src_addr_be
uint32_t	dst_addr_be

Detailed Description

IPv4 header (minimum 20 bytes).

See also

IANA IPv4 Parameters: https://www.iana.org/assignments/ipv4-parameters/ipv4-parameters.xhtml

IETF RFC 791 (Internet Protocol): https://datatracker.ietf.org/doc/html/rfc791

Member Function Documentation

checksum()

auto vbvx::IPv4Header::checksum ( ) const -> uint16_t

inlineconstexprnoexcept

dscp()

auto vbvx::IPv4Header::dscp ( ) const -> uint8_t

inlineconstexprnoexcept

dst_addr()

auto vbvx::IPv4Header::dst_addr ( ) const -> uint32_t

inlineconstexprnoexcept

ecn()

auto vbvx::IPv4Header::ecn ( ) const -> uint8_t

inlineconstexprnoexcept

frag_flags()

auto vbvx::IPv4Header::frag_flags ( ) const -> IPv4Flags

inlineconstexprnoexcept

frag_off()

auto vbvx::IPv4Header::frag_off ( ) const -> uint16_t

inlineconstexprnoexcept

frag_offset_bytes()

auto vbvx::IPv4Header::frag_offset_bytes ( ) const -> uint16_t

inlineconstexprnoexcept

frag_offset_units8()

auto vbvx::IPv4Header::frag_offset_units8 ( ) const -> uint16_t

inlineconstexprnoexcept

has_flag()

bool vbvx::IPv4Header::has_flag ( IPv4Flags flag ) const

inlineconstexprnoexcept

id()

auto vbvx::IPv4Header::id ( ) const -> uint16_t

inlineconstexprnoexcept

ihl_bytes()

auto vbvx::IPv4Header::ihl_bytes ( ) const -> uint16_t

inlineconstexprnoexcept

ihl_words()

auto vbvx::IPv4Header::ihl_words ( ) const -> uint16_t

inlineconstexprnoexcept

is_fragmented()

bool vbvx::IPv4Header::is_fragmented ( ) const

inlineconstexprnoexcept

l4_protocol()

auto vbvx::IPv4Header::l4_protocol ( ) const -> IpProtocol

inlineconstexprnoexcept

set_checksum()

void vbvx::IPv4Header::set_checksum ( uint16_t v )

inlineconstexprnoexcept

set_df()

void vbvx::IPv4Header::set_df ( bool enabled )

inlineconstexprnoexcept

set_dst()

void vbvx::IPv4Header::set_dst ( uint32_t v )

inlineconstexprnoexcept

set_frag_flags()

void vbvx::IPv4Header::set_frag_flags ( IPv4Flags flags )

inlineconstexprnoexcept

set_frag_offset_bytes()

void vbvx::IPv4Header::set_frag_offset_bytes ( uint16_t bytes )

inlineconstexprnoexcept

set_frag_offset_units8()

void vbvx::IPv4Header::set_frag_offset_units8 ( uint16_t units8 )

inlineconstexprnoexcept

set_mf()

void vbvx::IPv4Header::set_mf ( bool enabled )

inlineconstexprnoexcept

set_src()

void vbvx::IPv4Header::set_src ( uint32_t v )

inlineconstexprnoexcept

src_addr()

auto vbvx::IPv4Header::src_addr ( ) const -> uint32_t

inlineconstexprnoexcept

total_length()

auto vbvx::IPv4Header::total_length ( ) const -> uint16_t

inlineconstexprnoexcept

valid_min_size()

bool vbvx::IPv4Header::valid_min_size ( ) const

inlineconstexprnoexcept

version()

auto vbvx::IPv4Header::version ( ) const -> uint8_t

inlineconstexprnoexcept

Member Data Documentation

checksum_be

uint16_t vbvx::IPv4Header::checksum_be

dst_addr_be

uint32_t vbvx::IPv4Header::dst_addr_be

frag_off_be

uint16_t vbvx::IPv4Header::frag_off_be

id_be

uint16_t vbvx::IPv4Header::id_be

protocol

uint8_t vbvx::IPv4Header::protocol

src_addr_be

uint32_t vbvx::IPv4Header::src_addr_be

tos

uint8_t vbvx::IPv4Header::tos

total_length_be

uint16_t vbvx::IPv4Header::total_length_be

ttl

uint8_t vbvx::IPv4Header::ttl

version_ihl

uint8_t vbvx::IPv4Header::version_ihl

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

• vbvx/ip4_header.hxx