NED File src/inet/node/base/NetworkLayerNodeBase.ned

Name	Type	Description
NetworkLayerNodeBase	compound module	An extension of the link layer node base with network layer functionality. Provides support for multiple network protocols, including IPv4 and IPv6.

Source code

//
// Copyright (C) 2020 OpenSim Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
//


package inet.node.base;

import inet.common.MessageDispatcher;
import inet.networklayer.contract.INetworkLayer;

//
// An extension of the link layer node base with network layer functionality.
// Provides support for multiple network protocols, including IPv4 and IPv6.
//
// Adds network layer capabilities to the node architecture, enabling
// end-to-end connectivity across different networks.
//
module NetworkLayerNodeBase extends LinkLayerNodeBase
{
    parameters:
        bool hasIpv4 = default(true);
        bool hasIpv6 = default(false);
        bool hasGn = default(false);
        bool forwarding = default(false);
        bool multicastForwarding = default(false);
        *.forwarding = this.forwarding;
        *.multicastForwarding = this.multicastForwarding;
        @figure[networkLayer](type=rectangle; pos=250,308; size=1000,134; fillColor=#00ff00; lineColor=#808080; cornerRadius=5; fillOpacity=0.1);
        @figure[networkLayer.title](type=text; pos=1245,313; anchor=ne; text="network layer");
    submodules:
        ipv4: <default("Ipv4NetworkLayer")> like INetworkLayer if hasIpv4 {
            @display("p=375,375;q=queue");
        }
        ipv6: <default("Ipv6NetworkLayer")> like INetworkLayer if hasIpv6 {
            @display("p=525,375;q=queue");
        }
        generic: <default("")> like INetworkLayer if hasGn {
            @display("p=675,375;q=queue");
        }
        nl: MessageDispatcher {
            @display("p=750,450;b=1000,5,,,,1");
        }
    connections allowunconnected:
        ipv4.ifIn <-- nl.out++ if hasIpv4;
        ipv4.ifOut --> nl.in++ if hasIpv4;

        ipv6.ifIn <-- nl.out++ if hasIpv6;
        ipv6.ifOut --> nl.in++ if hasIpv6;

        generic.ifIn <-- nl.out++ if exists(generic);
        generic.ifOut --> nl.in++ if exists(generic);

        cb.out++ --> nl.in++;
        cb.in++ <-- nl.out++;

        llc.upperLayerOut --> nl.in++ if exists(llc);
        llc.upperLayerIn <-- nl.out++ if exists(llc);
}