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

Usage diagram

The following diagram shows usage relationships between types. Unresolved types are missing from the diagram.

Inheritance diagram

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

Extends

Name	Type	Description
NetworkInterface	compound module	This module serves as the base module for all network interfaces.

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
interfaceTableModule	string
macTableModule	string

Properties

Name	Value	Description
networkInterface
lifecycleSupport
class	EthernetCutthroughInterface
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

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"
cutthroughLayer.cutthroughSink.displayStringTextFormat	string	"processed %p pk (%l)"	determines the text that is written on top of the submodule
cutthroughLayer.cutthroughSink.clockModule	string	""	relative path of a module that implements IClock; optional
cutthroughLayer.cutthroughSink.datarate	double	nan bps
cutthroughLayer.cutthroughSource.displayStringTextFormat	string	"processed %p pk (%l)"	determines the text that is written on top of the submodule
cutthroughLayer.cutthroughSource.datarate	double	nan bps
cutthroughLayer.cutthroughSource.macTableModule	string

Source code

//
// This module represents an Ethernet network interface with cut-through support.
//
module EthernetCutthroughInterface extends NetworkInterface like IEthernetInterface
{
    parameters:
        string protocol = default("ethernetmac");
        bool broadcast = default(true);
        bool multicast = default(true);
        string address @mutable = default("auto");
        double bitrate @unit(bps);
        string interfaceTableModule;
        string macTableModule;
        *.bitrate = default(this.bitrate);
        *.macTableModule = default(this.macTableModule);
        @class(EthernetCutthroughInterface);
    gates:
        input upperLayerIn;
        output upperLayerOut;
        input cutthroughIn;
        output cutthroughOut;
        inout phys @labels(EthernetSignal);
    submodules:
        macLayer: <default("EthernetMacLayer")> like IEthernetMacLayer {
            parameters:
                @display("p=400,100");
        }
        cutthroughLayer: EthernetCutthroughLayer {
            parameters:
                @display("p=400,200");
        }
        phyLayer: <default("EthernetStreamThroughPhyLayer")> like IEthernetPhyLayer {
            parameters:
                @display("p=400,300");
        }
    connections:
        upperLayerIn --> { @display("m=n"); } --> macLayer.upperLayerIn;
        macLayer.lowerLayerOut --> cutthroughLayer.upperLayerIn;
        cutthroughLayer.lowerLayerOut --> phyLayer.upperLayerIn;
        phyLayer.lowerLayerOut --> { @display("m=s"); } --> phys$o;

        phys$i --> { @display("m=s"); } --> phyLayer.lowerLayerIn;
        phyLayer.upperLayerOut --> cutthroughLayer.lowerLayerIn;
        cutthroughLayer.upperLayerOut --> macLayer.lowerLayerIn;
        macLayer.upperLayerOut --> { @display("m=n"); } --> upperLayerOut;

        cutthroughLayer.cutthroughOut --> { @display("m=e"); } --> cutthroughOut;
        cutthroughIn --> { @display("m=w"); } --> cutthroughLayer.cutthroughIn;
}

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

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