Struct DhcpPacket 

#[repr(C)]
pub struct DhcpPacket {

    pub op: u8,
    pub htype: u8,
    pub hlen: u8,
    pub hops: u8,
    pub xid: u32,
    pub secs: u16,
    pub flags: u16,
    pub ciaddr: Ipv4Address,
    pub yiaddr: Ipv4Address,
    pub siaddr: Ipv4Address,
    pub giaddr: Ipv4Address,
    pub chaddr: [u8; 16],
    pub sname: [u8; 64],
    pub file: [u8; 128],
    pub options: Vec<u8>,
}

DHCP packet structure

Fields

op: u8

Operation code (1 = request, 2 = reply)

htype: u8

Hardware type (1 = Ethernet)

hlen: u8

Hardware address length

hops: u8

Hops

xid: u32

Transaction ID

secs: u16

Seconds elapsed

flags: u16

Flags

ciaddr: Ipv4Address

Client IP address

yiaddr: Ipv4Address

Your (client) IP address

siaddr: Ipv4Address

Server IP address

giaddr: Ipv4Address

Gateway IP address

chaddr: [u8; 16]

Client hardware address (16 bytes)

sname: [u8; 64]

Server host name (64 bytes)

file: [u8; 128]

Boot file name (128 bytes)

options: Vec<u8>

Options (variable length)

Implementations

impl DhcpPacket

pub fn new( message_type: DhcpMessageType, mac_address: MacAddress, xid: u32, ) -> Self

Create a new DHCP packet

pub fn add_parameter_request_list(&mut self)

Add parameter request list

pub fn finalize(&mut self)

Finalize options

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

Serialize to bytes

pub fn from_bytes(bytes: &[u8]) -> Result<Self, KernelError>

Parse from bytes

pub fn get_message_type(&self) -> Option<DhcpMessageType>

Get message type from options

Trait Implementations

impl Clone for DhcpPacket

fn clone(&self) -> DhcpPacket

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DhcpPacket

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

Formats the value using the given formatter.