Enum netstack3_ip::ReceivePacketAction

pub enum ReceivePacketAction<I: BroadcastIpExt + IpLayerIpExt, DeviceId: StrongDeviceIdentifier> {
    Deliver {
        address_status: I::AddressStatus,
        internal_forwarding: InternalForwarding<DeviceId>,
    },
    Forward {
        original_dst: SpecifiedAddr<I::Addr>,
        dst: Destination<I::Addr, DeviceId>,
    },
    MulticastForward {
        targets: MulticastRouteTargets<DeviceId>,
        address_status: Option<I::AddressStatus>,
        dst_ip: SpecifiedAddr<I::Addr>,
    },
    SendNoRouteToDest {
        dst: SpecifiedAddr<I::Addr>,
    },
    Drop {
        reason: DropReason,
    },
}

The action to take in order to process a received IP packet.

Variants

Deliver

Deliver the packet locally.

Fields

address_status: I::AddressStatus

Status of the receiving IP address.

internal_forwarding: InternalForwarding<DeviceId>

InternalForwarding::Used(d) if we’re delivering the packet as a Weak Host performing internal forwarding via output device d.

Forward

Forward the packet to the given destination.

Fields

original_dst: SpecifiedAddr<I::Addr>

The original destination IP address of the packet.

dst: Destination<I::Addr, DeviceId>

The destination that the packet should be forwarded to.

MulticastForward

A multicast packet that should be forwarded (& optional local delivery).

The packet should be forwarded to each of the given targets. This case is only returned when the packet is eligible for multicast forwarding; Self::Deliver is used for packets that are ineligible (either because multicast forwarding is disabled, or because there are no applicable multicast routes with which to forward the packet).

Fields

targets: MulticastRouteTargets<DeviceId>

The multicast targets to forward the packet via.

address_status: Option<I::AddressStatus>

Some if the host is a member of the multicast group and the packet should be delivered locally (in addition to forwarding).

dst_ip: SpecifiedAddr<I::Addr>

The multicast address the packet should be forwarded to.

SendNoRouteToDest

Send a Destination Unreachable ICMP error message to the packet’s sender and drop the packet.

For ICMPv4, use the code “net unreachable”. For ICMPv6, use the code “no route to destination”.

Fields

dst: SpecifiedAddr<I::Addr>

The destination IP Address to which there was no route.

Drop

Silently drop the packet.

reason describes why the packet was dropped.

Fields

reason: DropReason

Trait Implementations

impl<I: Debug + BroadcastIpExt + IpLayerIpExt, DeviceId: Debug + StrongDeviceIdentifier> Debug for ReceivePacketAction<I, DeviceId>

where I::AddressStatus: Debug, I::Addr: Debug,

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

Formats the value using the given formatter.

impl<I: PartialEq + BroadcastIpExt + IpLayerIpExt, DeviceId: PartialEq + StrongDeviceIdentifier> PartialEq for ReceivePacketAction<I, DeviceId>

where I::AddressStatus: PartialEq, I::Addr: PartialEq,

fn eq(&self, other: &ReceivePacketAction<I, DeviceId>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<I: BroadcastIpExt + IpLayerIpExt, DeviceId: StrongDeviceIdentifier> StructuralPartialEq for ReceivePacketAction<I, DeviceId>