Namespace inet

Ipv6Header

class

Ipv6 datagram. RFC 2460 Section 3.

Header fields not explicitly modelled:

payload length: will be calculated from encapsulated message length and extension headers' length

Extends

Name	Type	Description
NetworkHeaderBase	(unknown -- not in documented files)

Fields

Name	Type	Description
chunkLength
version	uint8_t
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

Packet operations (observed)

action	module
insertAtFront	Ipv6, Gpsr, Udp, UdpCrcInsertionHook
peekAtFront	Icmpv6, Ipv6NeighbourDiscovery, Ipv6
peekDataAt	Icmpv6
popAtFront	Ipv6, Udp
removeAtFront	Ipv6, Gpsr

Source code

//
// Ipv6 datagram. RFC 2460 Section 3.
//
// Header fields not explicitly modelled:
//    - payload length: will be calculated from encapsulated message length
//      and extension headers' length
//
class Ipv6Header extends NetworkHeaderBase
{
    chunkLength = IPv6_HEADER_BYTES;
    uint8_t version = 6;
    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