19#include "ns3/mesh-wifi-interface-mac.h"
20#include "ns3/mgt-action-headers.h"
21#include "ns3/nstime.h"
22#include "ns3/packet.h"
23#include "ns3/simulator.h"
24#include "ns3/wifi-mac-header.h"
60 if (packet->PeekPacketTag(tag))
62 NS_FATAL_ERROR(
"HWMP tag is not supposed to be received by network");
65 packet->RemoveHeader(meshHdr);
79 NS_FATAL_ERROR(
"6-address scheme is not yet supported and 4-address extension is not "
80 "supposed to be used for data frames.");
84 packet->AddPacketTag(tag);
89 NS_LOG_DEBUG(
"Dropping frame; source " << source <<
" dest " << destination <<
" seqno "
103 packet->RemoveHeader(actionHdr);
111 packet->RemoveHeader(elements, packet->GetSize());
112 std::vector<HwmpProtocol::FailedDestination> failedDestinations;
113 for (
auto i = elements.
Begin(); i != elements.
End(); i++)
115 if ((*i)->ElementId() ==
IE_RANN)
119 if ((*i)->ElementId() ==
IE_PREQ)
124 if (preq->GetOriginatorAddress() ==
m_protocol->GetAddress())
128 if (preq->GetTtl() == 0)
132 preq->DecrementTtl();
139 if ((*i)->ElementId() ==
IE_PREP)
144 if (prep->GetTtl() == 0)
148 prep->DecrementTtl();
155 if ((*i)->ElementId() ==
IE_PERR)
160 std::vector<HwmpProtocol::FailedDestination> destinations =
161 perr->GetAddressUnitVector();
162 for (
auto i = destinations.begin(); i != destinations.end(); i++)
164 failedDestinations.push_back(*i);
168 if (!failedDestinations.empty())
212 bool tagExists = packet->RemovePacketTag(tag);
222 packet->AddHeader(meshHdr);
242 std::vector<IePreq> preq_vector;
243 preq_vector.push_back(preq);
253 for (
auto i = preq.begin(); i != preq.end(); i++)
257 packet->AddHeader(elements);
268 for (
auto i = receivers.begin(); i != receivers.end(); i++)
274 m_parent->SendManagementFrame(packet, hdr);
289 i->AddDestinationAddressElement(
m_protocol->GetDoFlag(),
337 packet->AddHeader(elements);
351 m_parent->SendManagementFrame(packet, hdr);
356 std::vector<Mac48Address> receivers)
362 for (
auto i = failedDestinations.begin(); i != failedDestinations.end(); i++)
366 perr->AddAddressUnit(*i);
374 if (perr->GetNumOfDest() > 0)
378 packet->AddHeader(elements);
387 if (receivers.size() >=
m_protocol->GetUnicastPerrThreshold())
393 for (
auto i = receivers.begin(); i != receivers.end(); i++)
404 m_parent->SendManagementFrame(packet, hdr);
410 std::vector<Mac48Address> receivers)
416 for (
auto i = receivers.begin(); i != receivers.end(); i++)
418 bool should_add =
true;
429 NS_LOG_DEBUG(
"Initiate PERR: Adding receiver: " << (*i));
434 for (
auto i = failedDestinations.begin(); i != failedDestinations.end(); i++)
436 bool should_add =
true;
439 if (((*i).destination == (*j).destination) && ((*j).seqnum > (*i).seqnum))
447 NS_LOG_DEBUG(
"Initiate PERR: Adding failed destination: " << (*i).destination);
472 return m_parent->GetLinkMetric(peerAddress);
478 return m_parent->GetFrequencyChannel();
504 << txPreq <<
"\"" << std::endl
505 <<
"txPrep=\"" << txPrep <<
"\"" << std::endl
506 <<
"txPerr=\"" << txPerr <<
"\"" << std::endl
507 <<
"rxPreq=\"" << rxPreq <<
"\"" << std::endl
508 <<
"rxPrep=\"" << rxPrep <<
"\"" << std::endl
509 <<
"rxPerr=\"" << rxPerr <<
"\"" << std::endl
510 <<
"txMgt=\"" << txMgt <<
"\"" << std::endl
511 <<
"txMgtBytes=\"" << txMgtBytes <<
"\"" << std::endl
512 <<
"rxMgt=\"" << rxMgt <<
"\"" << std::endl
513 <<
"rxMgtBytes=\"" << rxMgtBytes <<
"\"" << std::endl
514 <<
"txData=\"" << txData <<
"\"" << std::endl
515 <<
"txDataBytes=\"" << txDataBytes <<
"\"" << std::endl
516 <<
"rxData=\"" << rxData <<
"\"" << std::endl
517 <<
"rxDataBytes=\"" << rxDataBytes <<
"\"/>" << std::endl;
523 os <<
"<HwmpProtocolMac" << std::endl
524 <<
"address =\"" <<
m_parent->GetAddress() <<
"\">" << std::endl;
526 os <<
"</HwmpProtocolMac>" << std::endl;
bool IsPending() 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.
Ptr< T > Create(Ts &&... args)
Create class instances by constructors with varying numbers of arguments and return them by Ptr.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Ptr< T1 > DynamicCast(const Ptr< T2 > &p)
Cast a Ptr.
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