Struct Mpls 

#[repr(C, packed(1))]
pub struct Mpls {
    pub lbl_tc_s: [u8; 3],
    pub ttl: u8,
}

Represents a Multiprotocol Label Switching (MPLS) header to RFC 3032 https://www.rfc-editor.org/rfc/rfc3032.html. This header format applies to all MPLS messages. 20 bits for Label - 3 for TC - 1 for S - 8 for TTL

Fields

lbl_tc_s: [u8; 3]

The first 3 bytes of the MPLS header containing Label (20 bits), Traffic Class (3 bits), and Bottom of Stack (1 bit) fields in network byte order

ttl: u8

The Time to Live (TTL) field indicating maximum hop count

Implementations

impl Mpls

pub const LEN: usize = 4usize

pub fn label(&self) -> u32

Gets the 20-bit Label value.

pub fn set_label(&mut self, label: u32)

Sets the 20-bit Label value. Input label_value should be a 20-bit integer (0 to 0xFFFFF).

pub fn tc(&self) -> u8

Gets the 3-bit Traffic Class value. Assumes self is a valid reference to an MPLS header.

pub fn set_tc(&mut self, tc_value: u8)

Sets the 3-bit Traffic Class value. Input tc_value should be a 3-bit integer (0-7). Assumes self is a valid, mutable reference to an MPLS header.

pub fn s(&self) -> u8

Gets the 1-bit Bottom of Stack flag. Returns 0 or 1. Assumes self is a valid reference to an MPLS header.

pub fn set_s(&mut self, s_value: u8)

Sets the 1-bit Bottom of Stack flag. Input s_value should be 0 or 1. Assumes self is a valid, mutable reference to an MPLS header.

pub fn ttl(&self) -> u8

Gets the 8-bit Time to Live value.

pub fn set_ttl(&mut self, ttl_value: u8)

Sets the 8-bit Time to Live value. Input ttl_value is the new TTL value (0-255).

Trait Implementations

impl Clone for Mpls

fn clone(&self) -> Mpls

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Mpls

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

Formats the value using the given formatter.

impl Copy for Mpls