Icmpv6Header

class

Represents an ICMPv6 packet.

Notes: 1. number of octets excluding the error datagram that is usually appended in optInfo, i.e. the Type|CODE|CHECKSUM|UNUSED/POINTER/MTU/OTHER as defined in RFC2463 2. Any ICMP type with MSB set, i.e. >=128 is an Informational ICMP message

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
FieldsChunk	class	(no description)

Known subclasses

Name	Type	Description
Icmpv6DestUnreachableMsg	class	Notes: 1. As defined in RFC2463: Section 3
Icmpv6EchoReplyMsg	class	Icmpv6 Echo Reply packet. Data is attached through encapsulation (see Icmpv6.cc)
Icmpv6EchoRequestMsg	class	ICMPv6 Echo Request packet (RFC2463: Section 4). Data is attached through encapsulation (see Icmpv6.cc)
Icmpv6PacketTooBigMsg	class	(no description)
Icmpv6ParamProblemMsg	class	(no description)
Icmpv6TimeExceededMsg	class	(no description)
Ipv6NdMessage	class	Neighbour Discovery for Ipv6. RFC 2461

Fields

Name	Type	Description
chunkLength	b
type	Icmpv6Type	1 byte
chksum	int	int code; // 1 byte //TODO: this should be specific to different ICMP types.
crcMode	CrcMode	4 bytes 'type' specific values
mutable	bool
complete	bool
correct	bool
properlyRepresented	bool
rawBin	string[]
rawHex	string[]
tags	RegionTagSet::cObjectRegionTag[]

Source code

//
// Represents an ICMPv6 packet.
//
// Notes:
//    1. number of octets excluding the error datagram that is usually appended
//       in optInfo, i.e. the Type|CODE|CHECKSUM|UNUSED/POINTER/MTU/OTHER
//       as defined in RFC2463
//    2. Any ICMP type with MSB set, i.e. >=128 is an Informational ICMP message
//
class Icmpv6Header extends FieldsChunk
{
    chunkLength = ICMPv6_HEADER_BYTES;
    Icmpv6Type type;     // 1 byte
    //int code; // 1 byte //TODO: this should be specific to different ICMP types.
    int chksum = 0;     // 2 bytes
    CrcMode crcMode = CRC_MODE_UNDEFINED;
    // 4 bytes 'type' specific values
}

File: src/inet/networklayer/icmpv6/Icmpv6Header.msg