Struct ArpPacket 

#[repr(C, packed(1))]
pub struct ArpPacket {
    pub htype: u16,
    pub ptype: u16,
    pub hlen: u8,
    pub plen: u8,
    pub operation: u16,
    pub sender_mac: [u8; 6],
    pub sender_ip: [u8; 4],
    pub target_mac: [u8; 6],
    pub target_ip: [u8; 4],
}

ARP packet header (28 bytes)

Fields

htype: u16

Hardware type (e.g., Ethernet)

ptype: u16

Protocol type (e.g., IPv4)

hlen: u8

Hardware address length

plen: u8

Protocol address length

operation: u16

Operation (request/reply)

sender_mac: [u8; 6]

Sender hardware address

sender_ip: [u8; 4]

Sender protocol address

target_mac: [u8; 6]

Target hardware address (zeros in request)

target_ip: [u8; 4]

Target protocol address

Implementations

impl ArpPacket

pub fn new(operation: u16) -> Self

Create a new ARP packet

pub fn request(sender_ip: [u8; 4], target_ip: [u8; 4]) -> Self

Create an ARP request

pub fn reply( sender_mac: [u8; 6], sender_ip: [u8; 4], target_mac: [u8; 6], ) -> Self

Create an ARP reply

pub fn to_bytes(&self) -> Vec<u8>

Serialize ARP packet to bytes

pub fn from_bytes(bytes: &[u8]) -> Option<Self>

Parse ARP packet from bytes

pub fn is_request(&self) -> bool

Check if this is an ARP request

pub fn is_reply(&self) -> bool

Check if this is an ARP reply

Trait Implementations

impl Clone for ArpPacket

fn clone(&self) -> ArpPacket

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ArpPacket

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

Formats the value using the given formatter.

impl Copy for ArpPacket