Ipv6Header

class

Ipv6 datagram. RFC 2460 Section 3.

Header fields not explicitly modelled:

version (=6): represented by the class name itself
payload length: will be calculated from encapsulated message length and extension headers' length

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
NetworkHeaderBase	class	(no description)

Fields

Name	Type	Description
chunkLength	b
srcAddress	Ipv6Address
destAddress	Ipv6Address
payloadLength	B	The size of the payload in octets, including any extension headers. The length is set to zero when a Hop-by-Hop extension header carries a Jumbo Payload option.
trafficClass	short	@bits(8) Traffic Class OMNeT++ 6.0: short __dscp @custom @getter(getDscp) @setter(setDscp); // @bit(6), maps to bits 0-5 of trafficClass short __ecn @custom @getter(getEcn) @setter(setEcn); // @bit(2), maps to bits 6-7 of trafficClass
flowLabel	unsigned int
hopLimit	short
protocolId	IpProtocolId
extensionHeader	Ipv6ExtensionHeader[]	array of extension headers, subclassed from Ipv6ExtensionHeader
sourceAddress	L3Address
destinationAddress	L3Address
protocol	Protocol
mutable	bool
complete	bool
correct	bool
properlyRepresented	bool
rawBin	string[]
rawHex	string[]
tags	RegionTagSet::cObjectRegionTag[]

Source code

//
// Ipv6 datagram. RFC 2460 Section 3.
//
// Header fields not explicitly modelled:
//    - version (=6): represented by the class name itself
//    - payload length: will be calculated from encapsulated message length
//      and extension headers' length
//
class Ipv6Header extends NetworkHeaderBase
{
    chunkLength = IPv6_HEADER_BYTES;
    Ipv6Address srcAddress;
    Ipv6Address destAddress;
    B payloadLength = B(-1);    // The size of the payload in octets, including any extension headers. The length is set to zero when a Hop-by-Hop extension header carries a Jumbo Payload option.
    short trafficClass;    // @bits(8) Traffic Class
    // OMNeT++ 6.0:
    // short __dscp @custom @getter(getDscp) @setter(setDscp);  // @bit(6), maps to bits 0-5 of trafficClass
    // short __ecn @custom @getter(getEcn) @setter(setEcn);  // @bit(2),  maps to bits 6-7 of trafficClass

    unsigned int flowLabel;
    short hopLimit = 0;
    IpProtocolId protocolId = IP_PROT_NONE;

    Ipv6ExtensionHeader *extensionHeader[] @owned; // array of extension headers, subclassed from ~Ipv6ExtensionHeader
}

File: src/inet/networklayer/ipv6/Ipv6Header.msg