Ieee80211CompressedBlockAckReq

Namespace: inet

class Ieee80211CompressedBlockAckReq

(no description)

Usage diagram

Inheritance diagram

Extends

Name

Type

Description

Ieee80211BlockAckReq

class

8.3.1.8 BlockAckReq frame format

Fields

Name

Type

Description

id

int

mutable

bool

complete

bool

correct

bool

properlyRepresented

bool

chunkLength

b

rawBin

string[]

rawHex

string[]

regionTags

SharingRegionTagSet::TagBaseRegionTag[]

chunkLength

type

Ieee80211FrameType

type and subtype

toDS

bool

fromDS

bool

moreFragments

bool

retry

bool

powerMgmt

bool

unused

moreData

bool

unused

protectedFrame

bool

unused

order

bool

unused

durationField

simtime_t

“duration” in the Duration/ID field (-1=no duration)

AID

short

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

receiverAddress

MacAddress

aka address1 (RA)

MACArrive

simtime_t

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

chunkLength

transmitterAddress

MacAddress

aka address2 (TA)

type

The RA field of the BlockAck frame is the address of the recipient STA that requested the Block Ack. The TA field is the address of the STA transmitting the BlockAck frame.

multiTid

bool

compressedBitmap

bool

barAckPolicy

bool

0-Normal Acknowledgment, 1-No Acknowledgment.

reserved

uint16_t

chunkLength

tidInfo

int

The TID_INFO subfield of the BAR Control field of the Compressed BlockAckReq frame contains the TID for which a BlockAck frame is requested. The BAR Information field of the Compressed 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 or A-MSDU for which this BlockAckReq frame is sent. The Fragment Number subfield of the Block Ack Starting Sequence Control subfield is set to 0.

fragmentNumber

int

startingSequenceNumber

SequenceNumberCyclic

multiTid

compressedBitmap

Properties

Name

Value

Description

beforeChange

handleChange()

descriptor

readonly

existingClass

packetData

Source code

class Ieee80211CompressedBlockAckReq extends Ieee80211BlockAckReq
{
    chunkLength = B(38);

    int tidInfo; // The TID_INFO subfield of the BAR Control field of the Compressed BlockAckReq frame contains the TID for which a BlockAck frame is requested.
    // The BAR Information field of the Compressed 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 or A-MSDU for
    // which this BlockAckReq frame is sent. The Fragment Number subfield of the Block Ack Starting Sequence
    // Control subfield is set to 0.

    int fragmentNumber = 0;
    SequenceNumberCyclic startingSequenceNumber;

    multiTid = 0;
    compressedBitmap = 1;
}

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