This module sets the DSCP field (lower six bit of Tos/TrafficClass) of IP datagrams to the value specified by the dscps parameter.

The dscps parameter is a space separated list of DSCP values. Packets arrived at gate in[i] are marked with the ith value. If there are fewer dscp values given than input gates, then the last one is repeated.

Inheritance diagram

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

Extends

Name	Type	Description
PacketProcessorBase	simple module	This is a base module for various packet processing modules which maintains a few statistics.

Parameters

Name	Type	Default value	Description
displayStringTextFormat	string	"processed %p pk (%l)"	determines the text that is written on top of the submodule
dscps	string		space separated list if dscp values; both names (e.g. AF11, EF) and numbers (0x0A,0b101110) can be used

Properties

Name	Value	Description
display	i=block/star
class	DscpMarker

Gates

Name	Direction	Size	Description
in [ ]	input
out	output

Signals

Name	Type	Unit
packetMarked	cPacket

Statistics

Name	Title	Source	Record	Unit	Interpolation Mode
packetMarked	packets marked	packetMarked	count, sum(packetBytes), vector(packetBytes)		none

Direct method calls (observed)

call to	function	info
EthernetInterface	inet::NetworkInterface::pushPacket	pushPacket
PacketMultiplexer	inet::queueing::PacketMultiplexer::pushPacket	pushPacket

Called methods (observed)

function	info	call from
inet::DscpMarker::pushPacket	pushPacket	MultiFieldClassifier, PacketMultiplexer

Pushed in messages (observed)

gate	msg	kind	ctrl	srcModule	tags
in[]	Packet	0		BehaviorAggregateClassifier	DispatchProtocolInd, InterfaceInd, InterfaceReq, MacAddressInd, NetworkProtocolInd, PacketProtocolTag
in[]	Packet	0		MultiFieldClassifier	InterfaceInd, MacAddressInd, PacketProtocolTag, DispatchProtocolInd?, DispatchProtocolReq?, InterfaceReq?, NetworkProtocolInd?
in[]	Packet	0		TokenBucketMeter	DispatchProtocolReq, InterfaceInd, MacAddressInd, PacketProtocolTag

Push out messages (observed)

gate	msg	kind	ctrl	destModule	tags
out	Packet	0		MessageDispatcher	DispatchProtocolReq, InterfaceInd, MacAddressInd, PacketProtocolTag, NetworkProtocolInd?
out	Packet	0		TokenBucketMeter	DispatchProtocolInd, InterfaceInd, InterfaceReq, MacAddressInd, NetworkProtocolInd, PacketProtocolTag
out	Packet	0		PacketMultiplexer	InterfaceInd, MacAddressInd, NetworkProtocolInd, PacketProtocolTag, DispatchProtocolInd?, DispatchProtocolReq?, InterfaceReq?

Packet operations (observed)

chunkType	packetAction
EthernetMacHeader	peekDataAt
Ipv4Header	insertDataAt, removeDataAt

Shared Tagging operations (observed)

tagType	tagAction
NetworkProtocolInd	addTagIfAbsent, removeTagIfPresent
PacketProtocolTag	getTag

Source code

//
// This module sets the DSCP field (lower six bit of Tos/TrafficClass) of IP datagrams
// to the value specified by the dscps parameter.
//
// The dscps parameter is a space separated list of DSCP values.
// Packets arrived at gate in[i] are marked with the ith value. If there are fewer
// dscp values given than input gates, then the last one is repeated.
//
simple DscpMarker extends PacketProcessorBase
{
    parameters:
        string dscps; // space separated list if dscp values; both names (e.g. AF11, EF) and numbers (0x0A,0b101110) can be used
        @class(DscpMarker);
        @display("i=block/star");
        @signal[packetMarked](type=cPacket);
        @statistic[packetMarked](title="packets marked"; source=packetMarked; record=count,"sum(packetBytes)","vector(packetBytes)"; interpolationmode=none);
    gates:
        input in[];
        output out;
}

File: src/inet/networklayer/diffserv/DscpMarker.ned

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