Struct Ipv4Fragmenter 

pub struct Ipv4Fragmenter {
    pub mtu: usize,
    pub copy_options: bool,
}

Fragmenter for IPv4 packets.

Fields

mtu: usize

Maximum fragment size (including IP header).

copy_options: bool

Whether to copy options to all fragments.

Implementations

impl Ipv4Fragmenter

pub fn new() -> Self

Create a new fragmenter with default MTU.

pub fn with_mtu(mtu: usize) -> Self

Create a fragmenter with a specific MTU.

pub fn mtu(self, mtu: usize) -> Self

Set the MTU.

pub fn copy_options(self, copy: bool) -> Self

Set whether to copy options to non-first fragments.

pub fn needs_fragmentation(&self, packet: &[u8]) -> bool

Check if a packet needs fragmentation.

pub fn fragment(&self, packet: &[u8]) -> Result<Vec<Fragment>, FragmentError>

Fragment an IPv4 packet.

Returns a vector of fragment packets, or None if the packet has the Don’t Fragment flag set and exceeds MTU.

Trait Implementations

impl Clone for Ipv4Fragmenter

fn clone(&self) -> Ipv4Fragmenter

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Ipv4Fragmenter

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

Formats the value using the given formatter.

impl Default for Ipv4Fragmenter

fn default() -> Self

Returns the “default value” for a type.