Struct t2plugin::nethdr::Ip4Header

#[repr(C, packed)]
pub struct Ip4Header {
    pub tos: u8,
    pub ttl: u8,
    /* private fields */
}

IPv4 header: https://tools.ietf.org/html/rfc791#section-3.1

Fields

tos: u8

Type of service in old traffic. DSCP and ECN flags in modern traffic.

ttl: u8

Packet time to live

Implementations

impl Ip4Header

pub fn version(&self) -> u8

IP version. Must always be 4.

pub fn header_len(&self) -> u8

Length of the IPv4 header (with options) in bytes.

pub fn packet_len(&self) -> u16

Length of the packet in bytes, starting from the 1st byte of the IPv4 header.

pub fn ipid(&self) -> u16

IP identification field, used for grouping fragmented packets.

pub fn proto(&self) -> L4Type

Type of the layer 4 header as defined in L4Type.

pub fn src_ip(&self) -> Ipv4Addr

IPv4 source address

pub fn dst_ip(&self) -> Ipv4Addr

IPv4 destination address