Struct edge_raw::ip::Ipv4PacketHeader

pub struct Ipv4PacketHeader {
    pub version: u8,
    pub hlen: u8,
    pub tos: u8,
    pub len: u16,
    pub id: u16,
    pub off: u16,
    pub ttl: u8,
    pub p: u8,
    pub sum: u16,
    pub src: Ipv4Addr,
    pub dst: Ipv4Addr,
}

Fields

version: u8

hlen: u8

tos: u8

len: u16

id: u16

off: u16

ttl: u8

p: u8

sum: u16

src: Ipv4Addr

dst: Ipv4Addr

Implementations

impl Ipv4PacketHeader

pub const MIN_SIZE: usize = 20usize

pub const CHECKSUM_WORD: usize = 5usize

pub const IP_DF: u16 = 16_384u16

pub const IP_MF: u16 = 8_192u16

pub fn new(src: Ipv4Addr, dst: Ipv4Addr, proto: u8) -> Self

pub fn decode(data: &[u8]) -> Result<Self, Error>

Parses the packet from a byte slice

pub fn encode<'o>(&self, buf: &'o mut [u8]) -> Result<&'o [u8], Error>

Encodes the packet into the provided buf slice

pub fn encode_with_payload<'o, F>( &mut self, buf: &'o mut [u8], encoder: F ) -> Result<&'o [u8], Error>

where F: FnOnce(&mut [u8]) -> Result<usize, Error>,

pub fn decode_with_payload( packet: &[u8], filter_src: Ipv4Addr, filter_dst: Ipv4Addr, filter_proto: Option<u8> ) -> Result<Option<(Self, &[u8])>, Error>

pub fn inject_checksum(packet: &mut [u8], checksum: u16)

pub fn checksum(packet: &[u8]) -> u16

Trait Implementations

impl Clone for Ipv4PacketHeader

fn clone(&self) -> Ipv4PacketHeader

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Ipv4PacketHeader

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.