Icmpv4ErrorInd¶

Namespace: inet

class Icmpv4ErrorInd

ICMPv4 error indication. Attached by the Icmp module when an ICMPv4 error message is received. Each layer pops its own header from the original packet and converts it to tags before forwarding the indication upward.

Usage diagram¶

Inheritance diagram¶

Extends¶

Name	Type	Description
TagBase	class	This is an abstract base class that should not be directly added to a message as a tag. It is used as the base class of all tags, thus it doesn’t have any fields.

Fields¶

Name	Type	Description
type	IcmpType	ICMPv4 type (e.g. ICMP_DESTINATION_UNREACHABLE)
code	int	ICMPv4 code (e.g. ICMP_DU_FRAGMENTATION_NEEDED)
mtu	int	only relevant for Fragmentation Needed
originalPacket	Packet *	progressively unwrapped quoted packet

Properties¶

Name	Value	Description
existingClass

Source code¶

//
// ICMPv4 error indication. Attached by the Icmp module when an ICMPv4 error
// message is received. Each layer pops its own header from the original
// packet and converts it to tags before forwarding the indication upward.
//
class Icmpv4ErrorInd extends TagBase
{
    IcmpType type;          // ICMPv4 type (e.g. ICMP_DESTINATION_UNREACHABLE)
    int code;               // ICMPv4 code (e.g. ICMP_DU_FRAGMENTATION_NEEDED)
    int mtu = -1;           // only relevant for Fragmentation Needed
    Packet *originalPacket @owned;  // progressively unwrapped quoted packet
}

File: src/inet/networklayer/common/Icmpv4ErrorTag.msg