30#include "ns3/mesh-wifi-interface-mac.h"
31#include "ns3/nstime.h"
32#include "ns3/packet.h"
33#include "ns3/simulator.h"
34#include "ns3/wifi-mac-header.h"
70 if (packet->PeekPacketTag(tag))
72 NS_FATAL_ERROR(
"HWMP tag is not supposed to be received by network");
75 packet->RemoveHeader(meshHdr);
89 NS_FATAL_ERROR(
"6-address scheme is not yet supported and 4-address extension is not "
90 "supposed to be used for data frames.");
94 packet->AddPacketTag(tag);
99 NS_LOG_DEBUG(
"Dropping frame; source " << source <<
" dest " << destination <<
" seqno "
113 packet->RemoveHeader(actionHdr);
121 packet->RemoveHeader(elements, packet->GetSize());
122 std::vector<HwmpProtocol::FailedDestination> failedDestinations;
123 for (
auto i = elements.
Begin(); i != elements.
End(); i++)
125 if ((*i)->ElementId() ==
IE_RANN)
129 if ((*i)->ElementId() ==
IE_PREQ)
134 if (preq->GetOriginatorAddress() ==
m_protocol->GetAddress())
138 if (preq->GetTtl() == 0)
142 preq->DecrementTtl();
149 if ((*i)->ElementId() ==
IE_PREP)
154 if (prep->GetTtl() == 0)
158 prep->DecrementTtl();
165 if ((*i)->ElementId() ==
IE_PERR)
170 std::vector<HwmpProtocol::FailedDestination> destinations =
171 perr->GetAddressUnitVector();
172 for (
auto i = destinations.begin(); i != destinations.end(); i++)
174 failedDestinations.push_back(*i);
178 if (!failedDestinations.empty())
222 bool tagExists = packet->RemovePacketTag(tag);
232 packet->AddHeader(meshHdr);
252 std::vector<IePreq> preq_vector;
253 preq_vector.push_back(preq);
263 for (
auto i = preq.begin(); i != preq.end(); i++)
267 packet->AddHeader(elements);
278 for (
auto i = receivers.begin(); i != receivers.end(); i++)
284 m_parent->SendManagementFrame(packet, hdr);
299 i->AddDestinationAddressElement(
m_protocol->GetDoFlag(),
347 packet->AddHeader(elements);
361 m_parent->SendManagementFrame(packet, hdr);
366 std::vector<Mac48Address> receivers)
372 for (
auto i = failedDestinations.begin(); i != failedDestinations.end(); i++)
376 perr->AddAddressUnit(*i);
384 if (perr->GetNumOfDest() > 0)
388 packet->AddHeader(elements);
397 if (receivers.size() >=
m_protocol->GetUnicastPerrThreshold())
403 for (
auto i = receivers.begin(); i != receivers.end(); i++)
414 m_parent->SendManagementFrame(packet, hdr);
420 std::vector<Mac48Address> receivers)
426 for (
auto i = receivers.begin(); i != receivers.end(); i++)
428 bool should_add =
true;
439 NS_LOG_DEBUG(
"Initiate PERR: Adding receiver: " << (*i));
444 for (
auto i = failedDestinations.begin(); i != failedDestinations.end(); i++)
446 bool should_add =
true;
449 if (((*i).destination == (*j).destination) && ((*j).seqnum > (*i).seqnum))
457 NS_LOG_DEBUG(
"Initiate PERR: Adding failed destination: " << (*i).destination);
482 return m_parent->GetLinkMetric(peerAddress);
488 return m_parent->GetFrequencyChannel();
514 << txPreq <<
"\"" << std::endl
515 <<
"txPrep=\"" << txPrep <<
"\"" << std::endl
516 <<
"txPerr=\"" << txPerr <<
"\"" << std::endl
517 <<
"rxPreq=\"" << rxPreq <<
"\"" << std::endl
518 <<
"rxPrep=\"" << rxPrep <<
"\"" << std::endl
519 <<
"rxPerr=\"" << rxPerr <<
"\"" << std::endl
520 <<
"txMgt=\"" << txMgt <<
"\"" << std::endl
521 <<
"txMgtBytes=\"" << txMgtBytes <<
"\"" << std::endl
522 <<
"rxMgt=\"" << rxMgt <<
"\"" << std::endl
523 <<
"rxMgtBytes=\"" << rxMgtBytes <<
"\"" << std::endl
524 <<
"txData=\"" << txData <<
"\"" << std::endl
525 <<
"txDataBytes=\"" << txDataBytes <<
"\"" << std::endl
526 <<
"rxData=\"" << rxData <<
"\"" << std::endl
527 <<
"rxDataBytes=\"" << rxDataBytes <<
"\"/>" << std::endl;
533 os <<
"<HwmpProtocolMac" << std::endl
534 <<
"address =\"" <<
m_parent->GetAddress() <<
"\">" << std::endl;
536 os <<
"</HwmpProtocolMac>" << std::endl;
bool IsRunning() const
This method is syntactic sugar for !IsExpired().
static Mac48Address GetBroadcast()
Smart pointer class similar to boost::intrusive_ptr.
static EventId Schedule(const Time &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
static WifiActionHeader GetWifiActionHeader()
void SendMyPreq()
Sends one PREQ when PreqMinInterval after last PREQ expires (if any PREQ exists in rhe queue)
void SendPreq(IePreq preq)
Send PREQ function.
HwmpProtocolMac(uint32_t ifIndex, Ptr< HwmpProtocol > protocol)
Constructor.
void SetParent(Ptr< MeshWifiInterfaceMac > parent) override
Each plugin must be installed on an interface to work.
~HwmpProtocolMac() override
void SendPreqVector(std::vector< IePreq > preq)
Send PREQ function for vector of PREQ.
void SendPrep(IePrep prep, Mac48Address receiver)
Send PREP function.
void SendMyPerr()
Send PERR function.
uint16_t GetChannelId() const
Get the channel ID.
bool Receive(Ptr< Packet > packet, const WifiMacHeader &header) override
Process received frame.
void ForwardPerr(std::vector< HwmpProtocol::FailedDestination > destinations, std::vector< Mac48Address > receivers)
Forward a path error.
uint32_t m_ifIndex
IF index.
Ptr< HwmpProtocol > m_protocol
protocol
bool ReceiveData(Ptr< Packet > packet, const WifiMacHeader &header)
Receive data frame.
Statistics m_stats
statistics
EventId m_preqTimer
Timer for PREQs.
void ResetStats()
Reset statistics.
uint32_t GetLinkMetric(Mac48Address peerAddress) const
bool ReceiveAction(Ptr< Packet > packet, const WifiMacHeader &header)
Receive action management frame.
void InitiatePerr(std::vector< HwmpProtocol::FailedDestination > destinations, std::vector< Mac48Address > receivers)
initiate my own path error
int64_t AssignStreams(int64_t stream) override
Assign a fixed random variable stream number to the random variables used by this model.
std::vector< IePreq > m_myPreq
container of PREQs
void Report(std::ostream &os) const
Report statistics.
bool UpdateOutcomingFrame(Ptr< Packet > packet, WifiMacHeader &header, Mac48Address from, Mac48Address to) override
Update frame before it will be forwarded down.
Ptr< MeshWifiInterfaceMac > m_parent
parent
void RequestDestination(Mac48Address dest, uint32_t originator_seqno, uint32_t dst_seqno)
Request a destination.
Hwmp tag implements interaction between HWMP protocol and MeshWifiMac.
void SetTtl(uint8_t ttl)
Set the TTL value.
uint32_t GetSeqno() const
Get the sequence number.
void SetSeqno(uint32_t seqno)
Set sequence number.
uint8_t GetTtl() const
Get the TTL value.
Mac48Address GetAddress()
Get address from tag.
See 7.3.2.97 of 802.11s draft 2.07.
See 7.3.2.96 of 802.11s draft 2.07.
void SetHopcount(uint8_t hopcount)
Set number of hops from originator to mesh STA transmitting this element.
void SetOriginatorSeqNumber(uint32_t originator_seq_number)
Set originator sequence number.
void SetTTL(uint8_t ttl)
Set remaining number of hops allowed for this element.
void SetOriginatorAddress(Mac48Address originator_address)
Set originator address value.
void SetPreqID(uint32_t id)
Set path discovery id field.
void AddDestinationAddressElement(bool doFlag, bool rfFlag, Mac48Address dest_address, uint32_t dest_seq_number)
Add a destination address unit: flags, destination and sequence number.
void SetLifetime(uint32_t lifetime)
Set lifetime in TUs for the forwarding information to be considered valid.
#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(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
#define NS_LOG_WARN(msg)
Use NS_LOG to output a message of level LOG_WARN.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
std::vector< HwmpProtocol::FailedDestination > destinations
destinations
std::vector< Mac48Address > receivers
receivers
uint32_t txMgtBytes
transmit management bytes
void Print(std::ostream &os) const
Print function.
uint16_t txPrep
transmit PREP
uint16_t rxMgt
receive management
uint16_t txPreq
transmit PREQ
uint16_t rxPerr
receive PERR
uint16_t rxPrep
receive PREP
uint32_t txDataBytes
transmit data bytes
uint16_t txData
transmit data
uint16_t txMgt
transmit management
uint16_t rxPreq
receive PREQ
uint16_t rxData
receive data
uint32_t rxMgtBytes
receive management bytes
uint32_t rxDataBytes
receive data bytes
uint16_t txPerr
transmit PERR