Struct Interface

pub struct Interface { /* private fields */ }

A network interface.

The network interface logically owns a number of other data structures; to avoid a dependency on heap allocation, it instead owns a BorrowMut<[T]>, which can be a &mut [T], or Vec<T> if a heap is available.

Implementations

impl Interface

pub fn new<D>(config: Config, device: &mut D, now: Instant) -> Self

where D: Device + ?Sized,

Create a network interface using the previously provided configuration.

Panics

This function panics if the [Config::hardware_address] does not match the medium of the device.

pub fn context(&mut self) -> &mut InterfaceInner

Get the socket context.

The context is needed for some socket methods.

pub fn hardware_addr(&self) -> HardwareAddress

Get the HardwareAddress address of the interface.

Panics

This function panics if the medium is not Ethernet or Ieee802154.

pub fn set_hardware_addr(&mut self, addr: HardwareAddress)

Set the HardwareAddress address of the interface.

Panics

This function panics if the address is not unicast, and if the medium is not Ethernet or Ieee802154.

pub fn ip_addrs(&self) -> &[IpCidr]

Get the IP addresses of the interface.

pub fn ipv4_addr(&self) -> Option<Ipv4Address>

Get the first IPv4 address if present.

pub fn ipv6_addr(&self) -> Option<Ipv6Address>

Get the first IPv6 address if present.

pub fn get_source_address(&self, dst_addr: &IpAddress) -> Option<IpAddress>

Get an address from the interface that could be used as source address. For IPv4, this is the first IPv4 address from the list of addresses. For IPv6, the address is based on the destination address and uses RFC6724 for selecting the source address.

pub fn get_source_address_ipv4( &self, dst_addr: &Ipv4Address, ) -> Option<Ipv4Address>

Get an address from the interface that could be used as source address. This is the first IPv4 address from the list of addresses in the interface.

pub fn get_source_address_ipv6( &self, dst_addr: &Ipv6Address, ) -> Option<Ipv6Address>

Get an address from the interface that could be used as source address. The selection is based on RFC6724.

pub fn update_ip_addrs<F: FnOnce(&mut Vec<IpCidr, IFACE_MAX_ADDR_COUNT>)>( &mut self, f: F, )

Update the IP addresses of the interface.

Panics

This function panics if any of the addresses are not unicast.

pub fn has_ip_addr<T: Into<IpAddress>>(&self, addr: T) -> bool

Check whether the interface has the given IP address assigned.

pub fn routes(&self) -> &Routes

pub fn routes_mut(&mut self) -> &mut Routes

pub fn set_any_ip(&mut self, any_ip: bool)

Enable or disable the AnyIP capability.

AnyIP allowins packets to be received locally on IPv4 addresses other than the interface’s configured [ip_addrs]. When AnyIP is enabled and a route prefix in routes specifies one of the interface’s ip_addrs as its gateway, the interface will accept packets addressed to that prefix.

IPv6

This option is not available or required for IPv6 as packets sent to the interface are not filtered by IPv6 address.

pub fn any_ip(&self) -> bool

Get whether AnyIP is enabled.

See set_any_ip for details on AnyIP

pub fn reassembly_timeout(&self) -> Duration

Get the packet reassembly timeout.

pub fn set_reassembly_timeout(&mut self, timeout: Duration)

Set the packet reassembly timeout.

pub fn poll<D>( &mut self, timestamp: Instant, device: &mut D, sockets: &mut SocketSet<'_>, ) -> bool

where D: Device + ?Sized,

Transmit packets queued in the given sockets, and receive packets queued in the device.

This function returns a boolean value indicating whether any packets were processed or emitted, and thus, whether the readiness of any socket might have changed.

pub fn poll_at( &mut self, timestamp: Instant, sockets: &SocketSet<'_>, ) -> Option<Instant>

Return a soft deadline for calling poll the next time. The Instant returned is the time at which you should call poll next. It is harmless (but wastes energy) to call it before the Instant, and potentially harmful (impacting quality of service) to call it after the Instant

pub fn poll_delay( &mut self, timestamp: Instant, sockets: &SocketSet<'_>, ) -> Option<Duration>

Return an advisory wait time for calling poll the next time. The Duration returned is the time left to wait before calling poll next. It is harmless (but wastes energy) to call it before the Duration has passed, and potentially harmful (impacting quality of service) to call it after the Duration has passed.