EthernetCutthroughInterface

Package: inet.linklayer.ethernet.modular

EthernetCutthroughInterface

compound module

This module represents an Ethernet network interface with cut-through support.

pcapRecorder[numPcapRecorders] : PcapRecorder

Records PCAP traces of frames sent/received by other modules within the same host.

Source:
pcapRecorder[numPcapRecorders]: PcapRecorder {
    parameters:
        moduleNamePatterns = ".^";
        @display("p=100,100;is=s");
} clock : like IClock

IClock: This module interface is implemented by clock models.

Source:
clock: <default("")> like IClock if typename != "" {
    parameters:
        @display("p=100,200;is=s");
} processingDelayLayer : like IProcessingDelayLayer

Source:
processingDelayLayer: <default("")> like IProcessingDelayLayer {
    parameters:
        @display("p=400,100");
} trafficConditionerLayer : like ITrafficConditionerLayer

Source:
trafficConditionerLayer: <default("")> like ITrafficConditionerLayer {
    parameters:
        @display("p=400,200");
} measurementLayer : like IMeasurementLayer

Source:
measurementLayer: <default("")> like IMeasurementLayer {
    parameters:
        @display("p=400,300");
} macLayer : like IEthernetMacLayer

Source:
macLayer: <default("EthernetMacLayer")> like IEthernetMacLayer {
    parameters:
        @display("p=400,400");
} phyLayer : like IEthernetPhyLayer

Source:
phyLayer: <default("EthernetPhyLayer")> like IEthernetPhyLayer {
    parameters:
        transmitter.clockModule = default("");
        @display("p=400,500");
}

Inheritance diagram

The following diagram shows inheritance relationships for this type. Unresolved types are missing from the diagram.

Extends

Name Type Description
LayeredEthernetInterface compound module

This module implements an Ethernet network interface.

Parameters

Name Type Default value Description
displayStringTextFormat string "%a (%i)\n%m"
recordPcap bool false
numPcapRecorders int recordPcap ? 1 : 0
protocol string "ethernetmac"
broadcast bool true
multicast bool true
address string "auto"
bitrate double
mtu int 1500B
interfaceTableModule string
macTableModule string

Properties

Name Value Description
networkInterface
lifecycleSupport
class NetworkInterface
display i=block/ifcard

Gates

Name Direction Size Description
upperLayerIn input
upperLayerOut output
cutthroughIn input
cutthroughOut output
phys inout

Signals

Name Type Unit
packetDropped inet::Packet

Statistics

Name Title Source Record Unit Interpolation Mode
packetDropInterfaceDown packet drops: interface down packetDropReasonIsInterfaceDown(packetDropped) count, sum(packetBytes), vector(packetBytes) none
packetDropNoCarrier packet drops: no carrier packetDropReasonIsNoCarrier(packetDropped) count, sum(packetBytes), vector(packetBytes) none

Direct method calls (observed)

call tofunctioninfo
MessageDispatcherinet::MessageDispatcher::handleRegisterInterfacehandleRegisterInterface
MessageDispatcherinet::MessageDispatcher::pushPacketpushPacket
EthernetCutthroughInterfaceinet::NetworkInterface::receiveSignalPOST_MODEL_CHANGE
InterfaceTableinet::InterfaceTable::findInterfaceByNamefindInterfaceByName
InterfaceTableinet::InterfaceTable::interfaceChangedinterfaceChanged
PacketQueueinet::queueing::PacketQueue::pushPacketpushPacket

Called methods (observed)

functioninfocall from
inet::NetworkInterface::pushPacketpushPacketMessageDispatcher, EthernetFcsChecker
inet::NetworkInterface::receiveSignalPOST_MODEL_CHANGE-=Network=-, EthernetCutthroughInterface, OmittedMeasurementLayer, OmittedProcessingDelayLayer, OmittedTrafficConditionerLayer

Push out messages (observed)

gatemsgkindctrldestModuletags
upperLayerInPacket0PacketQueueCutthroughTag, DirectionTag, EncapsulationProtocolReq, InterfaceInd, InterfaceReq, MacAddressReq, PacketProtocolTag
upperLayerOutPacket0MessageDispatcherCutthroughTag, DirectionTag, DispatchProtocolReq, InterfaceInd, PacketProtocolTag

Shared Tagging operations (observed)

tagTypetagAction
InterfaceIndaddTagIfAbsent

Tagging operations (observed)

tagTypetagAction
clearTags

Unassigned submodule parameters

Name Type Default value Description
pcapRecorder.verbose bool true

whether to log packets on the module output

pcapRecorder.pcapFile string ""

the PCAP file to be written

pcapRecorder.fileFormat string "pcapng"
pcapRecorder.snaplen int 65535

maximum number of bytes to record per packet

pcapRecorder.dumpBadFrames bool true

enable dump of frames with hasBitError

pcapRecorder.sendingSignalNames string "packetSentToLower"

space-separated list of outbound packet signals to subscribe to

pcapRecorder.receivingSignalNames string "packetReceivedFromLower"

space-separated list of inbound packet signals to subscribe to

pcapRecorder.dumpProtocols string "ethernetmac ppp ieee80211mac"

space-separated list of protocol names as defined in the Protocol class

pcapRecorder.packetFilter object "*"

which packets are considered, matches all packets by default

pcapRecorder.helpers string ""

usable PcapRecorder::IHelper helpers for accept packettype and store/convert packet as specified linktype currently available: "inet::AckingMacToEthernetPcapRecorderHelper"

pcapRecorder.alwaysFlush bool false

flush the pcapFile after each write to ensure that all packets are captured in case of a crash

pcapRecorder.displayStringTextFormat string "rec: %n pks"

Source code

//
// This module represents an Ethernet network interface with cut-through support.
//
module EthernetCutthroughInterface extends LayeredEthernetInterface
{
    parameters:
        string macTableModule;
        *.bitrate = default(this.bitrate);
        *.macTableModule = default(this.macTableModule);
        phyLayer.typename = default("EthernetStreamThroughPhyLayer");
        phyLayer.cutthroughSource.typename = default("EthernetCutthroughSource");
        phyLayer.cutthroughSink.typename = default("EthernetCutthroughSink");
}

File: src/inet/linklayer/ethernet/modular/EthernetCutthroughInterface.ned