Packet Ieee80211BasicBlockAckReq

File: src/inet/linklayer/ieee80211/mac/Ieee80211Frame.msg

C++ definition

(no description)

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
Ieee80211BlockAckReq packet

8.3.1.8 BlockAckReq frame format

Fields:

Name Type Description
tidInfo int

The TID_INFO subfield of the BAR Control field of the Basic BlockAckReq frame contains the TID for which a Basic BlockAck frame is requested.

fragmentNumber int

The BAR Information field of the Basic BlockAckReq frame contains the Block Ack Starting Sequence Control subfield, as shown in Figure 8-21. The Starting Sequence Number subfield of the Block Ack Starting Sequence Control subfield contains the sequence number of the first MSDU for which this Basic BlockAckReq frame is sent. The Fragment Number subfield is set to 0.

startingSequenceNumber int
multiTid bool
compressedBitmap bool
type short

type and subtype

barAckPolicy bool

0-Normal Acknowledgment, 1-No Acknowledgment.

byteLength
transmitterAddress MACAddress

aka address2

toDS bool
fromDS bool
retry bool
moreFragments bool
duration simtime_t

TODO: rename to durationField (levy)

AID short

"id" (Association ID) in the Duration/ID field (-1=no ID)

receiverAddress MACAddress

aka address1

MACArrive simtime_t

FIXME remove it, technical data, used inside of MAC module

Source code:

packet Ieee80211BasicBlockAckReq extends Ieee80211BlockAckReq
{
    int tidInfo; //  The TID_INFO subfield of the BAR Control field of the Basic BlockAckReq frame contains the TID for which a Basic BlockAck frame is requested.

    // The BAR Information field of the Basic BlockAckReq frame contains the Block Ack Starting Sequence
    // Control subfield, as shown in Figure 8-21. The Starting Sequence Number subfield of the Block Ack
    // Starting Sequence Control subfield contains the sequence number of the first MSDU for which this Basic
    // BlockAckReq frame is sent. The Fragment Number subfield is set to 0.
    int fragmentNumber = 0;
    int startingSequenceNumber;

    multiTid = 0;
    compressedBitmap = 0;
}