NED File src/simu5g/stack/ethernet/EthernetPortal.ned

Name	Type	Description
EthernetPortal	simple module	The top of a UE's cellular NIC when its session is an Ethernet PDU session (the sessionType parameter of LteUe): it makes the NIC an Ethernet port of the UE's link layer, as INET's Ethernet interfaces are. Frames of the UE's link layer (full frames, MAC header and FCS) go down into the NIC's stack, where the uplink QoS rules classify them and Ip2Nic strips the FCS before SDAP; the downlink frames the NIC delivers up (their FCS rebuilt by Ip2Nic) leave with the receive tags of an Ethernet interface. The link layer's EthernetLayer filters them by destination address, unless it is promiscuous (a UE in bridge mode).

Source code

//
//                  Simu5G
//
// Copyright (C) 2026 Andras Varga (OpenSim Ltd)
//
// This file is part of a software released under the license included in file
// "license.pdf". Please read LICENSE and README files before using it.
// The above files and the present reference are part of the software itself,
// and cannot be removed from it.
//

package simu5g.stack.ethernet;

//
// The top of a UE's cellular NIC when its session is an Ethernet PDU session (the
// sessionType parameter of ~LteUe): it makes the NIC an Ethernet port of the UE's link
// layer, as INET's Ethernet interfaces are. Frames of the UE's link layer (full frames,
// MAC header and FCS) go down into the NIC's stack, where the uplink QoS rules classify
// them and ~Ip2Nic strips the FCS before SDAP; the downlink frames the NIC delivers up
// (their FCS rebuilt by ~Ip2Nic) leave with the receive tags of an Ethernet interface.
// The link layer's ~EthernetLayer filters them by destination address, unless it is
// promiscuous (a UE in bridge mode).
//
simple EthernetPortal
{
    parameters:
        @display("i=block/layer");
    gates:
        input upperLayerIn;
        output upperLayerOut;
        input lowerLayerIn;
        output lowerLayerOut;
}