This module provides an Ethernet network interface suitable for emulation. The lower part of the network interface is realized in the real world using a real ethernet socket of the host computer which is running the simulation.

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
ExtInterface	compound module	This module provides a base module for external network interfaces.

Parameters

Name	Type	Default value	Description
displayStringTextFormat	string	"%a (%i)\n%m"
interfaceTableModule	string
device	string
namespace	string	""
copyConfiguration	string	""
address	string	"auto"
broadcast	bool	true
multicast	bool	true
pointToPoint	bool	false
mtu	int	4470B

Properties

Name	Value	Description
class	ExtInterface
display	i=block/ifcard

Gates

Name	Direction	Size	Description
upperLayerIn	input
upperLayerOut	output
phys	inout

Unassigned submodule parameters

Name	Type	Default value	Description
socket.device	string		name of existing real ethernet device
socket.namespace	string	""
socket.packetNameFormat	string	"Ext-%p-%t-%n"	name of received packets

Source code

//
// This module provides an Ethernet network interface suitable for emulation.
// The lower part of the network interface is realized in the real world using
// a real ethernet socket of the host computer which is running the simulation.
//
module ExtLowerEthernetInterface extends ExtInterface like IEthernetInterface
{
    parameters:
        @display("i=block/ifcard");
    gates:
        inout phys @loose;
    submodules:
        encap: <default("EtherEncap")> like IEtherEncap {
            parameters:
                @display("p=100,100");
        }
        socket: ExtEthernetSocket {
            parameters:
                @display("p=100,300");
        }
    connections allowunconnected:
        upperLayerIn --> { @display("m=n"); } --> encap.upperLayerIn if exists(encap);
        upperLayerOut <-- { @display("m=n"); } <-- encap.upperLayerOut if exists(encap);
        encap.lowerLayerOut --> socket.upperLayerIn if exists(encap);
        encap.lowerLayerIn <-- socket.upperLayerOut if exists(encap);

        upperLayerIn --> { @display("m=n"); } --> socket.upperLayerIn if !exists(encap);
        upperLayerOut <-- { @display("m=n"); } <-- socket.upperLayerOut if !exists(encap);
}

File: src/inet/emulation/linklayer/ethernet/ExtLowerEthernetInterface.ned

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