NED File src/inet/emulation/linklayer/ethernet/ExtUpperEthernetInterface.ned

Name	Type	Description
ExtUpperEthernetInterface	compound module	This module provides an Ethernet network interface suitable for emulation. The upper part of the network interface is realized in the real world using a real TAP device of the host computer which is running the simulation.

Source code

//
// Copyright (C) OpenSim Ltd.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program; if not, see <http://www.gnu.org/licenses/>.
//

package inet.emulation.linklayer.ethernet;

import inet.emulation.common.ExtInterface;
import inet.linklayer.contract.IEtherMac;
import inet.linklayer.contract.IEthernetInterface;

//
// This module provides an Ethernet network interface suitable for emulation.
// The upper part of the network interface is realized in the real world using
// a real TAP device of the host computer which is running the simulation.
//
module ExtUpperEthernetInterface extends ExtInterface like IEthernetInterface
{
    parameters:
        bool csmacdSupport = default(false);  // by default CSMA/CD is turned off, so only point-to-point duplex links are supported.
        @display("i=block/ifcard");
    gates:
        inout phys @labels(EtherFrame);
    submodules:
        tap: ExtEthernetTapDevice {
            parameters:
                @display("p=100,100");
        }
        mac: <default(csmacdSupport ? "EtherMac" : "EtherMacFullDuplex")> like IEtherMac {
            parameters:
                queue.packetCapacity = 10000;
                @display("p=200,400");
        }
    connections allowunconnected:
        tap.lowerLayerOut --> { @display("m=s"); } --> mac.upperLayerIn;
        tap.lowerLayerIn <-- { @display("m=s"); } <-- mac.upperLayerOut;
        mac.phys <--> { @display("m=s"); } <--> phys;
}