Struct xsk_rs::umem::frame::SegmentLengths

pub struct SegmentLengths { /* private fields */ }

The length (in bytes) of data in a frame’s packet data and headroom segments.

Not to be confused with the frame_headroom and mtu, the lengths here describe the amount of data that has been written to either segment, either by the kernel or by the user. Hence they vary as frames are used to send and receive data.

The two sets of values are related however, in that headroom will always be less than or equal to frame_headroom, and data less than or equal to mtu.

Implementations

impl SegmentLengths

pub fn headroom(&self) -> usize

Current length of the headroom segment.

pub fn data(&self) -> usize

Current length of the packet data segment.

Trait Implementations

impl Clone for SegmentLengths

fn clone(&self) -> SegmentLengths

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for SegmentLengths

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

Formats the value using the given formatter.

impl Default for SegmentLengths

fn default() -> SegmentLengths

Returns the “default value” for a type.

impl Copy for SegmentLengths