Packet Ieee80211CompressedBlockAck

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

C++ definition

8.3.1.9.3 Compressed BlockAck variant

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
Ieee80211BlockAck	packet	8.3.1.9 BlockAck frame format -- 410p.

Fields:

Name	Type	Description
multiTid	bool	Table 8-18—BlockAck frame variant encoding
compressedBitmap	bool
fragmentNumber	int
startingSequenceNumber	int
blockAckBitmap	BitVector	64 bits
tidInfo	int	The TID_INFO subfield of the BA Control field of the Compressed BlockAck frame contains the TID for which this BlockAck frame is sent.
type	short	type and subtype
blockAckPolicy	bool	BA Control
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:

//
// 8.3.1.9.3 Compressed BlockAck variant
//
packet Ieee80211CompressedBlockAck extends Ieee80211BlockAck
{
    // byteLength TODO
    multiTid = 0;
    compressedBitmap = 1;

    // The BA Information field of the Compressed BlockAck frame comprises the Block Ack Starting Sequence
    // Control subfield and the Block Ack Bitmap subfield, as shown in Figure 8-27.

    int fragmentNumber = 0;
    int startingSequenceNumber;
    BitVector blockAckBitmap; // 64 bits

    // The TID_INFO subfield of the BA Control field of the Compressed BlockAck frame contains the TID for
    // which this BlockAck frame is sent.
    int tidInfo;
}