Struct LoopbackBackend 

pub struct LoopbackBackend { /* private fields */ }

Loopback network backend for testing.

Implementations

impl LoopbackBackend

pub const fn new() -> LoopbackBackend

Creates a new loopback backend.

Trait Implementations

impl Default for LoopbackBackend

fn default() -> LoopbackBackend

Returns the “default value” for a type.

impl NetBackend for LoopbackBackend

fn send(&mut self, packet: &NetPacket) -> Result<usize, Error>

Sends a packet.

fn recv(&mut self, buf: &mut [u8]) -> Result<usize, Error>

Receives a packet.

fn has_data(&self) -> bool

Returns whether packets are available to receive.

fn send_tso(&mut self, packet: &NetPacket) -> Result<usize, Error>

Sends a TSO/GSO packet.

fn supports_tso(&self) -> bool

Returns whether this backend supports TSO offload.

fn configure_offload(&mut self, flags: NetOffloadFlags) -> Result<(), Error>

Configure host-side offload to match the features the guest negotiated.

fn set_vnet_hdr_sz(&mut self, size: u32) -> Result<(), Error>

Configure the size of the virtio_net_hdr prepended to each frame on the backend’s wire representation.