25 #include "ns3/assert.h"
26 #include "ns3/packet.h"
28 #include "ns3/boolean.h"
29 #include "ns3/ipv6-routing-protocol.h"
30 #include "ns3/ipv6-route.h"
32 #include "ipv6-raw-socket-factory-impl.h"
33 #include "ipv6-l3-protocol.h"
34 #include "ipv6-interface.h"
35 #include "icmpv6-l4-protocol.h"
36 #include "ndisc-cache.h"
40 NS_OBJECT_ENSURE_REGISTERED (Icmpv6L4Protocol);
70 .AddConstructor<Icmpv6L4Protocol> ()
71 .AddAttribute (
"DAD",
"Always do DAD check.",
74 MakeBooleanChecker ())
100 m_downTarget.Nullify ();
111 Ptr<Node> node = this->GetObject<Node> ();
115 if (ipv6 != 0 && m_downTarget.IsNull ())
120 ipv6->AggregateObject (rawFactory);
183 return IpL4Protocol::RX_ENDPOINT_UNREACH;
194 p->CopyData (&type,
sizeof(type));
198 case Icmpv6Header::ICMPV6_ND_ROUTER_SOLICITATION:
199 if (ipv6->IsForwarding (ipv6->GetInterfaceForDevice (interface->
GetDevice ())))
204 case Icmpv6Header::ICMPV6_ND_ROUTER_ADVERTISEMENT:
205 if (!ipv6->IsForwarding (ipv6->GetInterfaceForDevice (interface->
GetDevice ())))
210 case Icmpv6Header::ICMPV6_ND_NEIGHBOR_SOLICITATION:
213 case Icmpv6Header::ICMPV6_ND_NEIGHBOR_ADVERTISEMENT:
216 case Icmpv6Header::ICMPV6_ND_REDIRECTION:
219 case Icmpv6Header::ICMPV6_ECHO_REQUEST:
222 case Icmpv6Header::ICMPV6_ECHO_REPLY:
227 case Icmpv6Header::ICMPV6_ERROR_DESTINATION_UNREACHABLE:
230 case Icmpv6Header::ICMPV6_ERROR_PACKET_TOO_BIG:
233 case Icmpv6Header::ICMPV6_ERROR_TIME_EXCEEDED:
236 case Icmpv6Header::ICMPV6_ERROR_PARAMETER_ERROR:
244 return IpL4Protocol::RX_OK;
249 const uint8_t payload[8])
251 NS_LOG_FUNCTION (
this << source << icmp << info << ipHeader << payload);
271 uint8_t* buf =
new uint8_t[packet->
GetSize ()];
305 case Icmpv6Header::ICMPV6_OPT_PREFIX:
307 ipv6->AddAutoconfiguredAddress (ipv6->GetInterfaceForDevice (interface->
GetDevice ()), prefixHdr.GetPrefix (), prefixHdr.GetPrefixLength (),
308 prefixHdr.GetFlags (), prefixHdr.GetValidTime (), prefixHdr.GetPreferredTime (), src);
310 case Icmpv6Header::ICMPV6_OPT_MTU:
320 case Icmpv6Header::ICMPV6_OPT_LINK_LAYER_SOURCE:
344 entry = cache->
Lookup (src);
348 entry = cache->
Add (src);
351 entry->MarkReachable ();
352 entry->StartReachableTimer ();
356 std::list<Ptr<Packet> > waiting;
357 if (entry->IsIncomplete ())
359 entry->StopRetransmitTimer ();
361 waiting = entry->MarkReachable (lla.
GetAddress ());
362 entry->StopReachableTimer ();
363 entry->StartReachableTimer ();
365 for (std::list<
Ptr<Packet> >::const_iterator it = waiting.begin (); it != waiting.end (); it++)
369 entry->ClearWaitingPacket ();
373 if (entry->GetMacAddress () != lla.
GetAddress ())
377 entry->SetRouter (
true);
381 if (!entry->IsReachable ())
383 entry->StopProbeTimer ();
384 entry->StopDelayTimer ();
385 waiting = entry->MarkReachable (lla.
GetAddress ());
386 if (entry->IsProbe ())
388 for (std::list<
Ptr<Packet> >::const_iterator it = waiting.begin (); it != waiting.end (); it++)
393 entry->StopReachableTimer ();
394 entry->StartReachableTimer ();
417 packet->
CopyData (&type,
sizeof(type));
419 if (type != Icmpv6Header::ICMPV6_OPT_LINK_LAYER_SOURCE)
426 entry = cache->
Lookup (src);
429 entry = cache->
Add (src);
453 for (i = 0; i < nb; i++)
488 packet->
CopyData (&type,
sizeof(type));
490 if (type != Icmpv6Header::ICMPV6_OPT_LINK_LAYER_SOURCE)
498 entry = cache->
Lookup (src);
501 entry = cache->
Add (src);
521 if (ipv6->IsForwarding (ipv6->GetInterfaceForDevice (interface->
GetDevice ())))
526 hardwareAddress = interface->
GetDevice ()->GetAddress ();
541 NS_LOG_LOGIC (
"Send RS ( from " << src <<
" to " << dst <<
")");
547 ipHeader.SetSourceAddress (src);
548 ipHeader.SetDestinationAddress (dst);
550 ipHeader.SetPayloadLength (p->
GetSize ());
551 ipHeader.SetHopLimit (255);
585 std::list<Ptr<Packet> > waiting;
588 entry = cache->
Lookup (target);
598 for (i = 0; i < nb; i++)
621 packet->
CopyData (&type,
sizeof(type));
623 if (type != Icmpv6Header::ICMPV6_OPT_LINK_LAYER_TARGET)
641 for (std::list<
Ptr<Packet> >::const_iterator it = waiting.begin (); it != waiting.end (); it++)
685 for (std::list<
Ptr<Packet> >::const_iterator it = waiting.begin (); it != waiting.end (); it++)
722 if (type == Icmpv6Header::ICMPV6_OPT_LINK_LAYER_TARGET)
740 entry = cache->
Lookup (redirTarget);
743 entry = cache->
Add (redirTarget);
746 entry->SetMacAddress (llOptionHeader.
GetAddress ());
751 if (entry->IsIncomplete () || entry->GetMacAddress () != llOptionHeader.
GetAddress ())
754 if (entry->GetMacAddress () != llOptionHeader.
GetAddress ())
756 entry->SetMacAddress (llOptionHeader.
GetAddress ());
770 if (redirTarget.
IsEqual (redirDestination))
772 ipv6->GetRoutingProtocol ()->NotifyAddRoute (redirDestination,
Ipv6Prefix (128),
Ipv6Address (
"::"), ipv6->GetInterfaceForAddress (dst));
776 uint32_t ifIndex = ipv6->GetInterfaceForAddress (dst);
777 ipv6->GetRoutingProtocol ()->NotifyAddRoute (redirDestination,
Ipv6Prefix (128), redirTarget, ifIndex);
813 Forward (src, timeexceeded, timeexceeded.
GetCode (), ipHeader, payload);
864 NS_ASSERT (ipv6 != 0 && ipv6->GetRoutingProtocol () != 0);
867 Socket::SocketErrno err;
871 header.SetDestinationAddress (dst);
872 route = ipv6->GetRoutingProtocol ()->RouteOutput (packet, header, oif, err);
883 m_downTarget (packet, src, dst,
PROT_NUMBER, route);
893 NS_LOG_FUNCTION (
this << src << dst << hardwareAddress << static_cast<uint32_t> (flags));
898 NS_LOG_LOGIC (
"Send NA ( from " << src <<
" to " << dst <<
" target " << src <<
")");
899 na.SetIpv6Target (src);
915 na.CalculatePseudoHeaderChecksum (src, dst, p->
GetSize () + na.GetSerializedSize (),
PROT_NUMBER);
949 NS_LOG_LOGIC (
"Send NS ( from " << src <<
" to " << dst <<
" target " << target <<
")");
952 ns.CalculatePseudoHeaderChecksum (src, dst, p->
GetSize () + ns.GetSerializedSize (),
PROT_NUMBER);
970 NS_LOG_LOGIC (
"Send RS ( from " << src <<
" to " << dst <<
")");
972 rs.CalculatePseudoHeaderChecksum (src, dst, p->
GetSize () + rs.GetSerializedSize (),
PROT_NUMBER);
981 uint32_t malformedPacketSize = malformedPacket->
GetSize ();
984 NS_LOG_LOGIC (
"Send Destination Unreachable ( to " << dst <<
" code " << (uint32_t)code <<
" )");
987 if (malformedPacketSize <= 1280 - 48)
1005 uint32_t malformedPacketSize = malformedPacket->
GetSize ();
1011 if (malformedPacketSize <= 1280 - 48)
1028 NS_LOG_FUNCTION (
this << malformedPacket << dst << static_cast<uint32_t> (code));
1030 uint32_t malformedPacketSize = malformedPacket->
GetSize ();
1033 NS_LOG_LOGIC (
"Send Time Exceeded ( to " << dst <<
" code " << (uint32_t)code <<
" )");
1036 if (malformedPacketSize <= 1280 - 48)
1052 NS_LOG_FUNCTION (
this << malformedPacket << dst << static_cast<uint32_t> (code) << ptr);
1054 uint32_t malformedPacketSize = malformedPacket->
GetSize ();
1057 NS_LOG_LOGIC (
"Send Parameter Error ( to " << dst <<
" code " << (uint32_t)code <<
" )");
1060 if (malformedPacketSize <= 1280 - 48 )
1077 NS_LOG_FUNCTION (
this << redirectedPacket << dst << redirTarget << redirDestination << redirHardwareTarget);
1078 uint32_t llaSize = 0;
1080 uint32_t redirectedPacketSize = redirectedPacket->
GetSize ();
1083 NS_LOG_LOGIC (
"Send Redirection ( to " << dst <<
" target " << redirTarget <<
" destination " << redirDestination <<
" )");
1087 if ((redirectedPacketSize % 8) != 0)
1089 Ptr<Packet> pad = Create<Packet> (8 - (redirectedPacketSize % 8));
1100 if (redirectedPacketSize <= (1280 - 56 - llaSize))
1102 redirectedOptionHeader.
SetPacket (redirectedPacket);
1107 redirectedOptionHeader.
SetPacket (fragment);
1118 redirectionHeader.
SetTarget (redirTarget);
1125 NS_LOG_FUNCTION (
this << src << dst << hardwareAddress << (uint32_t)flags);
1131 NS_LOG_LOGIC (
"Send NA ( from " << src <<
" to " << dst <<
")");
1154 ipHeader.SetSourceAddress (src);
1155 ipHeader.SetDestinationAddress (dst);
1157 ipHeader.SetPayloadLength (p->
GetSize ());
1158 ipHeader.SetHopLimit (255);
1179 NS_LOG_LOGIC (
"Send NS ( from " << src <<
" to " << dst <<
" target " << target <<
")");
1185 ipHeader.SetSourceAddress (src);
1186 ipHeader.SetDestinationAddress (dst);
1188 ipHeader.SetPayloadLength (p->
GetSize ());
1189 ipHeader.SetHopLimit (255);
1202 if ((*i)->GetDevice () == device)
1227 NS_LOG_FUNCTION (
this << dst << device << cache << hardwareDestination);
1235 return cache->
Lookup (dst);
1240 NS_LOG_FUNCTION (
this << p << dst << device << cache << hardwareDestination);
1318 for (i = 0; i < nb; i++)
1342 if (!ipv6->IsForwarding (ipv6->GetInterfaceForDevice (interface->
GetDevice ())) && addr.
IsLinkLocal ())
1362 m_downTarget = callback;
1365 IpL4Protocol::DownTargetCallback
1373 Icmpv6L4Protocol::GetDownTarget6 (
void)
const
1376 return m_downTarget;
bool IsAny() const
If the IPv6 address is the "Any" address.
uint32_t RemoveHeader(Header &header)
void SetPacket(Ptr< Packet > packet)
Set the redirected packet.
ICMPv6 redirected option.
uint16_t GetId() const
Get the ID of the packet.
static const uint8_t MAX_ANYCAST_DELAY_TIME
Neighbor Discovery node constants : max anycast delay.
uint32_t GetNsDadUid() const
Get the latest DAD probe packet UID.
bool Lookup(Ipv6Address dst, Ptr< NetDevice > device, Ptr< NdiscCache > cache, Address *hardwareDestination)
Lookup in the ND cache for the IPv6 address.
#define NS_LOG_FUNCTION(parameters)
void MarkIncomplete(Ptr< Packet > p)
Changes the state to this entry to INCOMPLETE.
ICMPv6 Error Parameter Error header.
void SetState(Ipv6Address address, Ipv6InterfaceAddress::State_e state)
Update state of an interface address.
ICMPv6 Router Advertisement header.
ICMPv6 Neighbor Advertisement header.
void SendNA(Ipv6Address src, Ipv6Address dst, Address *hardwareAddress, uint8_t flags)
Send a Neighbor Adverstisement.
void HandleNS(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Neighbor Solicitation method.
virtual uint32_t GetSerializedSize() const
Get the serialized size.
Address GetMacAddress() const
Get the MAC address of this entry.
NdiscCache::Entry * Add(Ipv6Address to)
Add an entry.
static const uint8_t MAX_INITIAL_RTR_ADVERTISEMENTS
Neighbor Discovery router constants : max initial RA transmission.
Ptr< Packet > GetPacket() const
Get the incorrect packet.
Ipv6Address GetTarget() const
Get the IPv6 target address.
Access to the IPv6 forwarding table, interfaces, and configuration.
virtual uint32_t GetSerializedSize() const
Get the serialized size.
static const uint8_t MAX_FINAL_RTR_ADVERTISEMENTS
Neighbor Discovery router constants : max final RA transmission.
void Send(Ptr< Packet > packet, Ipv6Address source, Ipv6Address destination, uint8_t protocol, Ptr< Ipv6Route > route)
Higher-level layers call this method to send a packet down the stack to the MAC and PHY layers...
ICMPv6 Error Time Exceeded header.
IPv6 layer implementation.
Ptr< Node > m_node
The node.
void AddPacketTag(const Tag &tag) const
ICMPv6 Router Solicitation header.
void SendRS(Ipv6Address src, Ipv6Address dst, Address hardwareAddress)
Send a Router Solicitation.
ICMPv6 Neighbor Solicitation header.
bool IsLinkLocal() const
If the IPv6 address is a link-local address (fe80::/64).
uint64_t GetUid(void) const
#define NS_ASSERT(condition)
virtual void ReceiveIcmp(Ipv4Address icmpSource, uint8_t icmpTtl, uint8_t icmpType, uint8_t icmpCode, uint32_t icmpInfo, Ipv4Address payloadSource, Ipv4Address payloadDestination, const uint8_t payload[8])
static Ipv6Address GetAny()
Get the "any" (::) Ipv6Address.
Ipv6InterfaceAddress GetAddress(uint32_t index) const
Get an address from IPv6 interface.
#define NS_LOG_COMPONENT_DEFINE(name)
IPv6 address associated with an interface.
void SetPtr(uint32_t ptr)
Set the pointer field.
static const uint8_t PROT_NUMBER
ICMPv6 protocol number (58).
bool GetFlagS() const
Get the S flag.
uint32_t GetSize(void) const
bool IsEqual(const Ipv6Address &other) const
Comparison operation between two Ipv6Addresses.
virtual ~Icmpv6L4Protocol()
Destructor.
static const uint8_t RTR_SOLICITATION_INTERVAL
Neighbor Discovery host constants : RS interval.
void StopReachableTimer()
Stop the reachable timer.
virtual void DoDispose(void)
static const uint8_t MAX_RTR_SOLICITATIONS
Neighbor Discovery host constants : max RS transmission.
#define NS_LOG_FUNCTION_NOARGS()
static EventId Schedule(Time const &time, MEM mem_ptr, OBJ obj)
void SetMtu(uint32_t mtu)
Set the MTU.
void SetNode(Ptr< Node > node)
Set the node.
void SetPacket(Ptr< Packet > p)
Set the incorrect packet.
This class implements a tag that carries the socket-specific TTL of a packet to the IP layer...
void SetTarget(Ipv6Address target)
Set the IPv6 target address.
virtual int GetProtocolNumber() const
Get the protocol number.
std::list< Ptr< Packet > > MarkReachable(Address mac)
Changes the state to this entry to REACHABLE.
Icmpv6L4Protocol()
Constructor.
a polymophic address class
void SetPacket(Ptr< Packet > p)
Set the incorrect packet.
static void FunctionDadTimeout(Ptr< Icmpv6L4Protocol > icmpv6, Ipv6Interface *interface, Ipv6Address addr)
Function called when DAD timeout.
virtual enum IpL4Protocol::RxStatus Receive(Ptr< Packet > p, Ipv4Header const &header, Ptr< Ipv4Interface > interface)
Receive method.
void SendRedirection(Ptr< Packet > redirectedPacket, Ipv6Address dst, Ipv6Address redirTarget, Ipv6Address redirDestination, Address redirHardwareTarget)
Send an ICMPv6 Redirection.
void SendErrorTooBig(Ptr< Packet > malformedPacket, Ipv6Address dst, uint32_t mtu)
Send an error Too Big.
Ptr< Ipv6Interface > GetInterface() const
Get the Ipv6Interface associated with this cache.
void NotifyNewAggregate()
This method is called by AddAgregate and completes the aggregation by setting the node in the ICMPv6 ...
bool IsDelay() const
Is the entry DELAY.
Ptr< Packet > CreateFragment(uint32_t start, uint32_t length) const
void AddAtEnd(Ptr< const Packet > packet)
bool GetFlagR() const
Get the R flag.
The IPv6 representation of a network interface.
ICMPv6 Error Destination Unreachable header.
void HandleRedirection(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Redirection method.
Ipv6Address GetAddress() const
Get the IPv6 address.
Ipv6Address GetIpv6Target() const
Get the IPv6 target field.
uint32_t GetNAddresses(void) const
Get number of addresses on this IPv6 interface.
static const uint32_t MAX_RA_DELAY_TIME
Neighbor Discovery router constants : max delay between RA.
void Forward(Ipv6Address source, Icmpv6Header icmp, uint32_t info, Ipv6Header ipHeader, const uint8_t payload[8])
Notify an ICMPv6 reception to upper layers (if requested).
void SendErrorParameterError(Ptr< Packet > malformedPacket, Ipv6Address dst, uint8_t code, uint32_t ptr)
Send an error Parameter Error.
Ptr< Packet > GetPacket() const
Get the incorrect packet.
void SetIpv6Target(Ipv6Address target)
Set the IPv6 target field.
void HandleTimeExceeded(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Time Exceeded method.
void Flush()
Flush the cache.
void SendErrorTimeExceeded(Ptr< Packet > malformedPacket, Ipv6Address dst, uint8_t code)
Send an error Time Exceeded.
bool IsAlwaysDad() const
Is the node must do DAD.
uint8_t GetLength(void) const
static const uint32_t REACHABLE_TIME
Neighbor Discovery node constants : reachable time.
ICMPv6 Redirection header.
Ptr< Packet > GetPacket() const
Get the incorrect packet.
static const double MIN_RANDOM_FACTOR
Neighbor Discovery node constants : min random factor.
Ptr< NdiscCache > FindCache(Ptr< NetDevice > device)
Get the cache corresponding to the device.
virtual Ptr< NetDevice > GetDevice() const
Get the NetDevice.
Callback< R > MakeCallback(R(T::*memPtr)(void), OBJ objPtr)
Ptr< Packet > ForgeNA(Ipv6Address src, Ipv6Address dst, Address *hardwareAddress, uint8_t flags)
Forge a Neighbor Advertisement.
void SetPacket(Ptr< Packet > p)
Set the incorrect packet.
bool GetFlagO() const
Get the O flag.
void HandleRS(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Router Solicitation method.
void Send(Ptr< Packet > p, Ipv6Address dest)
Send a packet through this interface.
#define NS_LOG_LOGIC(msg)
void StopProbeTimer()
Stop probe timer.
Ptr< Packet > ForgeNS(Ipv6Address src, Ipv6Address dst, Ipv6Address target, Address hardwareAddress)
Forge a Neighbor Solicitation.
void StartRetransmitTimer()
Start retransmit timer.
uint16_t GetSeq() const
Get the sequence number.
void SetNsDadUid(Ipv6Address address, uint32_t uid)
Update NS DAD packet UID of an interface address.
void ClearWaitingPacket()
Clear the waiting packet list.
virtual uint32_t GetSerializedSize() const
Get the serialized size.
void HandleEchoRequest(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Echo Request method.
void HandleParameterError(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Parameter Error method.
virtual void NotifyNewAggregate(void)
Ptr< Packet > Copy(void) const
static const uint8_t MAX_MULTICAST_SOLICIT
Neighbor Discovery node constants : max multicast solicitations.
bool IsProbe() const
Is the entry PROBE.
void SendErrorDestinationUnreachable(Ptr< Packet > malformedPacket, Ipv6Address dst, uint8_t code)
Send an error Destination Unreachable.
void SendEchoReply(Ipv6Address src, Ipv6Address dst, uint16_t id, uint16_t seq, Ptr< Packet > data)
Send a Echo Reply.
static TypeId GetTypeId()
Interface ID.
static const uint8_t MAX_NEIGHBOR_ADVERTISEMENT
Neighbor Discovery node constants : max NA transmission.
virtual IpL4Protocol::DownTargetCallback GetDownTarget(void) const
static uint16_t GetStaticProtocolNumber()
Get ICMPv6 protocol number.
Ipv6InterfaceAddress::State_e GetState() const
Get the address state.
void AddWaitingPacket(Ptr< Packet > p)
Add a packet (or replace old value) in the queue.
void StartDelayTimer()
Start delay timer.
static const uint8_t MAX_INITIAL_RTR_ADVERT_INTERVAL
Neighbor Discovery router constants : max initial RA initial interval.
bool IsMulticast() const
If the IPv6 address is multicast (ff00::/8).
static Ipv6Address GetAllNodesMulticast()
Get the "all nodes multicast" address.
void StartReachableTimer()
Start the reachable timer.
bool m_alwaysDad
Always do DAD ?
bool IsIncomplete() const
Is the entry INCOMPLETE.
L4 Protocol abstract base class.
void SendMessage(Ptr< Packet > packet, Ipv6Address src, Ipv6Address dst, uint8_t ttl)
Send a packet via ICMPv6, note that packet already contains ICMPv6 header.
virtual void SetDownTarget(IpL4Protocol::DownTargetCallback cb)
Ptr< Packet > ForgeRS(Ipv6Address src, Ipv6Address dst, Address hardwareAddress)
Forge a Router Solicitation.
void Remove(NdiscCache::Entry *entry)
Delete an entry.
static const uint8_t MIN_DELAY_BETWEEN_RAS
Neighbor Discovery router constants : min delay between RA.
void SetFlagR(bool r)
Set the R flag.
virtual uint32_t GetSerializedSize() const
Get the serialized size.
std::list< Ptr< Packet > > MarkStale(Address mac)
Changes the state to this entry to STALE.
void SetMacAddress(Address mac)
Set the MAC address of this entry.
static const double MAX_RANDOM_FACTOR
Neighbor Discovery node constants : max random factor.
void SetFlagS(bool s)
Set the S flag.
CacheList m_cacheList
A list of cache by device.
void DoDAD(Ipv6Address target, Ptr< Ipv6Interface > interface)
Do the Duplication Address Detection (DAD). It consists in sending a NS with our IPv6 as target...
Ipv6InterfaceAddress GetLinkLocalAddress() const
Get link-local address from IPv6 interface.
Describes an IPv6 address.
Time Seconds(double seconds)
create ns3::Time instances in units of seconds.
NdiscCache::Entry * Lookup(Ipv6Address dst)
Lookup in the cache.
void HandleRA(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Router Advertisement method.
void ReceiveLLA(Icmpv6OptionLinkLayerAddress lla, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Link layer address option processing.
void MarkDelay()
Change the state to this entry to DELAY.
virtual int GetVersion() const
Get the version of the protocol.
uint32_t GetSerializedSize(void) const
static const uint32_t RETRANS_TIMER
Neighbor Discovery node constants : retransmission timer.
void SetDestination(Ipv6Address destination)
Set the IPv6 destination address.
void StopRetransmitTimer()
Stop retransmit timer.
Ptr< Packet > ForgeEchoRequest(Ipv6Address src, Ipv6Address dst, uint16_t id, uint16_t seq, Ptr< Packet > data)
Forge an Echo Request.
void StopDelayTimer()
Stop delay timer.
void SetDevice(Ptr< NetDevice > device, Ptr< Ipv6Interface > interface)
Set the device and interface.
Describes an IPv6 prefix. It is just a bitmask like Ipv4Mask.
virtual void DoDispose()
Dispose this object.
Ipv6Address GetDestination() const
Get the IPv6 destination address.
Ipv6Address GetIpv6Target() const
Get the IPv6 target field.
uint32_t CopyData(uint8_t *buffer, uint32_t size) const
static const uint8_t MAX_RTR_SOLICITATION_DELAY
Neighbor Discovery host constants : max RS delay.
A record that holds information about an NdiscCache entry.
void HandleNA(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Neighbor Advertisement method.
void SetRouter(bool router)
Set the node type.
ICMPv6 link-layer address option.
static const uint8_t DELAY_FIRST_PROBE_TIME
Neighbor Discovery node constants : delay for the first probe.
void SetSeq(uint16_t seq)
Set the sequence number.
Address GetAddress() const
Get the hardware address.
void HandlePacketTooBig(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Packet Too Big method.
bool IsReachable() const
Is the entry REACHABLE.
void SetPacket(Ptr< Packet > p)
Set the incorrect packet.
uint32_t GetMtu() const
Get the MTU field.
virtual uint32_t GetSerializedSize() const
Get the serialized size.
Ptr< T > GetObject(void) const
ICMPv6 Error Too Big header.
a unique identifier for an interface.
Ptr< Packet > GetPacket() const
Get the incorrect packet.
Ipv6InterfaceAddress GetAddressMatchingDestination(Ipv6Address dst)
Get an address which is in the same network prefix as destination.
void SetFlagO(bool o)
Set the O flag.
Ptr< NetDevice > GetDevice() const
Get the NetDevice associated with this cache.
TypeId SetParent(TypeId tid)
void SendNS(Ipv6Address src, Ipv6Address dst, Ipv6Address target, Address hardwareAddress)
Send a Neighbor Solicitation.
bool IsStale() const
Is the entry STALE.
void AddHeader(const Header &header)
Ptr< NdiscCache > CreateCache(Ptr< NetDevice > device, Ptr< Ipv6Interface > interface)
Create a neighbor cache.
void SetId(uint16_t id)
Set the ID of the packet.
void HandleDestinationUnreachable(Ptr< Packet > p, Ipv6Address const &src, Ipv6Address const &dst, Ptr< Ipv6Interface > interface)
Receive Destination Unreachable method.
static Ipv6Address MakeSolicitedAddress(Ipv6Address addr)
Make the solicited IPv6 address.
static Ipv6Address GetAllRoutersMulticast()
Get the "all routers multicast" address.
void SetAddress(Address addr)
Set the hardware address.
static const uint8_t MAX_UNICAST_SOLICIT
Neighbor Discovery node constants : max unicast solicitations.