28 #include "ns3/packet.h"
54 << startingSeq << htSupported);
129 uint16_t mpduSeqNumber = mpdu->GetHeader().GetSequenceNumber();
233 std::size_t index)
const
Maintains information for a block ack agreement.
uint8_t m_htSupported
Flag whether HT is supported.
uint16_t m_timeout
Timeout.
uint16_t m_startingSeq
Starting sequence control.
uint16_t m_bufferSize
Buffer size.
uint8_t m_amsduSupported
Flag whether MSDU aggregation is supported.
static std::size_t GetDistance(uint16_t seqNumber, uint16_t startingSeqNumber)
Get the distance between the given starting sequence number and the given sequence number.
void Reset(uint16_t winStart)
Reset the window by clearing all the elements and setting winStart to the given value.
std::size_t GetWinSize() const
Get the window size.
void Advance(std::size_t count)
Advance the current winStart by the given number of positions.
uint16_t GetWinStart() const
Get the current winStart value.
void Init(uint16_t winStart, uint16_t winSize)
Initialize the window with the given starting sequence number and size.
std::vector< bool >::reference At(std::size_t distance)
Get a reference to the element in the window having the given distance from the current winStart.
Smart pointer class similar to boost::intrusive_ptr.
Ptr< MacRxMiddle > m_rxMiddle
the MAC RX Middle on this station
void PassBufferedMpdusWithSeqNumberLessThan(uint16_t newWinStartB)
Pass any complete MSDUs or A-MSDUs stored in the buffer with Sequence Number subfield values that are...
BlockAckWindow m_scoreboard
recipient's scoreboard
~RecipientBlockAckAgreement() override
void NotifyReceivedBar(uint16_t startingSequenceNumber)
Update both the scoreboard and the receive reordering buffer upon reception of a Block Ack Request.
void Flush()
This is called when a Block Ack agreement is destroyed to flush the received packets.
void FillBlockAckBitmap(CtrlBAckResponseHeader *blockAckHeader, std::size_t index=0) const
Set the Starting Sequence Number subfield of the Block Ack Starting Sequence Control subfield of the ...
void PassBufferedMpdusUntilFirstLost()
Pass MSDUs or A-MSDUs up to the next MAC process if they are stored in the buffer in order of increas...
std::pair< uint16_t, uint16_t * > Key
The key of a buffered MPDU is the pair (MPDU sequence number, pointer to WinStartB)
void NotifyReceivedMpdu(Ptr< const WifiMpdu > mpdu)
Update both the scoreboard and the receive reordering buffer upon reception of the given MPDU.
RecipientBlockAckAgreement(Mac48Address originator, bool amsduSupported, uint8_t tid, uint16_t bufferSize, uint16_t timeout, uint16_t startingSeq, bool htSupported)
Constructor.
std::map< Key, Ptr< const WifiMpdu >, Compare > m_bufferedMpdus
buffered MPDUs sorted by Seq Number
uint16_t m_winStartB
starting SN for the reordering buffer
std::size_t m_winSizeB
size of the receive reordering buffer
void SetMacRxMiddle(const Ptr< MacRxMiddle > rxMiddle)
Set the MAC RX Middle to use.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
#define NS_FATAL_ERROR(msg)
Report a fatal error with a message and terminate.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
Every class exported by the ns3 library is enclosed in the ns3 namespace.
static constexpr uint16_t SEQNO_SPACE_HALF_SIZE
Size of the half the space of sequence numbers (used to determine old packets)
static constexpr uint16_t SEQNO_SPACE_SIZE
Size of the space of sequence numbers.
static constexpr uint8_t WIFI_LINKID_UNDEFINED
Invalid link identifier.
bool operator()(const Key &a, const Key &b) const
Functional operator for sorting the buffered MPDUs.