/* * Copyright (c) 2016, The OpenThread Authors. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holder nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /** * @file * This file includes definitions for MLE functionality required by the Thread Router and Leader roles. */ #ifndef MLE_ROUTER_HPP_ #define MLE_ROUTER_HPP_ #include "openthread-core-config.h" #include #include "coap/coap_message.hpp" #include "common/callback.hpp" #include "common/time_ticker.hpp" #include "common/timer.hpp" #include "common/trickle_timer.hpp" #include "mac/mac_types.hpp" #include "meshcop/meshcop_tlvs.hpp" #include "net/icmp6.hpp" #include "net/udp6.hpp" #include "thread/child.hpp" #include "thread/child_table.hpp" #include "thread/mle.hpp" #include "thread/mle_tlvs.hpp" #include "thread/router.hpp" #include "thread/router_table.hpp" #include "thread/thread_tlvs.hpp" #include "thread/tmf.hpp" namespace ot { namespace Mle { /** * @addtogroup core-mle-router * * @brief * This module includes definitions for MLE functionality required by the Thread Router and Leader roles. * * @{ */ #if OPENTHREAD_FTD /** * Implements MLE functionality required by the Thread Router and Leader roles. * */ class MleRouter : public Mle { friend class Mle; friend class ot::Instance; friend class ot::TimeTicker; friend class Tmf::Agent; public: /** * Initializes the object. * * @param[in] aInstance A reference to the OpenThread instance. * */ explicit MleRouter(Instance &aInstance); /** * Indicates whether or not the device is router-eligible. * * @retval true If device is router-eligible. * @retval false If device is not router-eligible. * */ bool IsRouterEligible(void) const; /** * Sets whether or not the device is router-eligible. * * If @p aEligible is false and the device is currently operating as a router, this call will cause the device to * detach and attempt to reattach as a child. * * @param[in] aEligible TRUE to configure device router-eligible, FALSE otherwise. * * @retval kErrorNone Successfully set the router-eligible configuration. * @retval kErrorNotCapable The device is not capable of becoming a router. * */ Error SetRouterEligible(bool aEligible); /** * Indicates whether a node is the only router on the network. * * @retval TRUE It is the only router in the network. * @retval FALSE It is a child or is not a single router in the network. * */ bool IsSingleton(void) const; /** * Generates an Address Solicit request for a Router ID. * * @param[in] aStatus The reason for requesting a Router ID. * * @retval kErrorNone Successfully generated an Address Solicit message. * @retval kErrorNotCapable Device is not capable of becoming a router * @retval kErrorInvalidState Thread is not enabled * */ Error BecomeRouter(ThreadStatusTlv::Status aStatus); /** * Becomes a leader and starts a new partition. * * If the device is already attached, this method can be used to attempt to take over as the leader, creating a new * partition. For this to work, the local leader weight must be greater than the weight of the current leader. The * @p aCheckWeight can be used to ensure that this check is performed. * * @param[in] aCheckWeight Check that the local leader weight is larger than the weight of the current leader. * * @retval kErrorNone Successfully become a Leader and started a new partition. * @retval kErrorInvalidState Thread is not enabled. * @retval kErrorNotCapable Device is not capable of becoming a leader (not router eligible), or * @p aCheckWeight is true and cannot override the current leader due to its local * leader weight being same or smaller than current leader's weight. * */ Error BecomeLeader(bool aCheckWeight); #if OPENTHREAD_CONFIG_MLE_DEVICE_PROPERTY_LEADER_WEIGHT_ENABLE /** * Gets the device properties which are used to determine the Leader Weight. * * @returns The current device properties. * */ const DeviceProperties &GetDeviceProperties(void) const { return mDeviceProperties; } /** * Sets the device properties which are then used to determine and set the Leader Weight. * * @param[in] aDeviceProperties The device properties. * */ void SetDeviceProperties(const DeviceProperties &aDeviceProperties); #endif /** * Returns the Leader Weighting value for this Thread interface. * * @returns The Leader Weighting value for this Thread interface. * */ uint8_t GetLeaderWeight(void) const { return mLeaderWeight; } /** * Sets the Leader Weighting value for this Thread interface. * * Directly sets the Leader Weight to the new value replacing its previous value (which may have been * determined from a previous call to `SetDeviceProperties()`). * * @param[in] aWeight The Leader Weighting value. * */ void SetLeaderWeight(uint8_t aWeight) { mLeaderWeight = aWeight; } #if OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE /** * Returns the preferred Partition Id when operating in the Leader role for certification testing. * * @returns The preferred Partition Id value. * */ uint32_t GetPreferredLeaderPartitionId(void) const { return mPreferredLeaderPartitionId; } /** * Sets the preferred Partition Id when operating in the Leader role for certification testing. * * @param[in] aPartitionId The preferred Leader Partition Id. * */ void SetPreferredLeaderPartitionId(uint32_t aPartitionId) { mPreferredLeaderPartitionId = aPartitionId; } #endif /** * Sets the preferred Router Id. Upon becoming a router/leader the node * attempts to use this Router Id. If the preferred Router Id is not set or if it * can not be used, a randomly generated router Id is picked. * This property can be set when he device role is detached or disabled. * * @param[in] aRouterId The preferred Router Id. * * @retval kErrorNone Successfully set the preferred Router Id. * @retval kErrorInvalidState Could not set (role is other than detached and disabled) * */ Error SetPreferredRouterId(uint8_t aRouterId); /** * Gets the Partition Id which the device joined successfully once. * */ uint32_t GetPreviousPartitionId(void) const { return mPreviousPartitionId; } /** * Sets the Partition Id which the device joins successfully. * * @param[in] aPartitionId The Partition Id. * */ void SetPreviousPartitionId(uint32_t aPartitionId) { mPreviousPartitionId = aPartitionId; } /** * Sets the Router Id. * * @param[in] aRouterId The Router Id. * */ void SetRouterId(uint8_t aRouterId); /** * Returns the NETWORK_ID_TIMEOUT value. * * @returns The NETWORK_ID_TIMEOUT value. * */ uint8_t GetNetworkIdTimeout(void) const { return mNetworkIdTimeout; } /** * Sets the NETWORK_ID_TIMEOUT value. * * @param[in] aTimeout The NETWORK_ID_TIMEOUT value. * */ void SetNetworkIdTimeout(uint8_t aTimeout) { mNetworkIdTimeout = aTimeout; } /** * Returns the ROUTER_SELECTION_JITTER value. * * @returns The ROUTER_SELECTION_JITTER value in seconds. * */ uint8_t GetRouterSelectionJitter(void) const { return mRouterRoleTransition.GetJitter(); } /** * Sets the ROUTER_SELECTION_JITTER value. * * @param[in] aRouterJitter The router selection jitter value (in seconds). * */ void SetRouterSelectionJitter(uint8_t aRouterJitter) { mRouterRoleTransition.SetJitter(aRouterJitter); } /** * Indicates whether or not router role transition (upgrade from REED or downgrade to REED) is pending. * * @retval TRUE Router role transition is pending. * @retval FALSE Router role transition is not pending * */ bool IsRouterRoleTransitionPending(void) const { return mRouterRoleTransition.IsPending(); } /** * Returns the current timeout delay in seconds till router role transition (upgrade from REED or downgrade to * REED). * * @returns The timeout in seconds till router role transition, or zero if not pending role transition. * */ uint8_t GetRouterRoleTransitionTimeout(void) const { return mRouterRoleTransition.GetTimeout(); } /** * Returns the ROUTER_UPGRADE_THRESHOLD value. * * @returns The ROUTER_UPGRADE_THRESHOLD value. * */ uint8_t GetRouterUpgradeThreshold(void) const { return mRouterUpgradeThreshold; } /** * Sets the ROUTER_UPGRADE_THRESHOLD value. * * @param[in] aThreshold The ROUTER_UPGRADE_THRESHOLD value. * */ void SetRouterUpgradeThreshold(uint8_t aThreshold) { mRouterUpgradeThreshold = aThreshold; } /** * Returns the ROUTER_DOWNGRADE_THRESHOLD value. * * @returns The ROUTER_DOWNGRADE_THRESHOLD value. * */ uint8_t GetRouterDowngradeThreshold(void) const { return mRouterDowngradeThreshold; } /** * Sets the ROUTER_DOWNGRADE_THRESHOLD value. * * @param[in] aThreshold The ROUTER_DOWNGRADE_THRESHOLD value. * */ void SetRouterDowngradeThreshold(uint8_t aThreshold) { mRouterDowngradeThreshold = aThreshold; } /** * Returns the MLE_CHILD_ROUTER_LINKS value. * * @returns The MLE_CHILD_ROUTER_LINKS value. * */ uint8_t GetChildRouterLinks(void) const { return mChildRouterLinks; } /** * Sets the MLE_CHILD_ROUTER_LINKS value. * * @param[in] aChildRouterLinks The MLE_CHILD_ROUTER_LINKS value. * * @retval kErrorNone Successfully set the value. * @retval kErrorInvalidState Thread protocols are enabled. */ Error SetChildRouterLinks(uint8_t aChildRouterLinks); /** * Returns if the REED is expected to become Router soon. * * @retval TRUE If the REED is going to become a Router soon. * @retval FALSE If the REED is not going to become a Router soon. * */ bool IsExpectedToBecomeRouterSoon(void) const; /** * Removes a link to a neighbor. * * @param[in] aNeighbor A reference to the neighbor object. * */ void RemoveNeighbor(Neighbor &aNeighbor); /** * Invalidates a direct link to a neighboring router (due to failed link-layer acks). * * @param[in] aRouter A reference to the router object. * */ void RemoveRouterLink(Router &aRouter); /** * Indicates whether or not the given Thread partition attributes are preferred. * * @param[in] aSingletonA Whether or not the Thread Partition A has a single router. * @param[in] aLeaderDataA A reference to Thread Partition A's Leader Data. * @param[in] aSingletonB Whether or not the Thread Partition B has a single router. * @param[in] aLeaderDataB A reference to Thread Partition B's Leader Data. * * @retval 1 If partition A is preferred. * @retval 0 If partition A and B have equal preference. * @retval -1 If partition B is preferred. * */ static int ComparePartitions(bool aSingletonA, const LeaderData &aLeaderDataA, bool aSingletonB, const LeaderData &aLeaderDataB); /** * Fills an ConnectivityTlv. * * @param[out] aTlv A reference to the tlv to be filled. * */ void FillConnectivityTlv(ConnectivityTlv &aTlv); /** * Generates an MLE Child Update Request message to be sent to the parent. * * @retval kErrorNone Successfully generated an MLE Child Update Request message. * @retval kErrorNoBufs Insufficient buffers to generate the MLE Child Update Request message. * */ Error SendChildUpdateRequest(void) { return Mle::SendChildUpdateRequest(); } Error SendLinkRequest(Neighbor *aNeighbor); #if OPENTHREAD_CONFIG_MLE_STEERING_DATA_SET_OOB_ENABLE /** * Sets steering data out of band * * @param[in] aExtAddress Value used to set steering data * All zeros clears steering data * All 0xFFs sets steering data to 0xFF * Anything else is used to compute the bloom filter * */ void SetSteeringData(const Mac::ExtAddress *aExtAddress); #endif /** * Gets the assigned parent priority. * * @returns The assigned parent priority value, -2 means not assigned. * */ int8_t GetAssignParentPriority(void) const { return mParentPriority; } /** * Sets the parent priority. * * @param[in] aParentPriority The parent priority value. * * @retval kErrorNone Successfully set the parent priority. * @retval kErrorInvalidArgs If the parent priority value is not among 1, 0, -1 and -2. * */ Error SetAssignParentPriority(int8_t aParentPriority); /** * Gets the longest MLE Timeout TLV for all active MTD children. * * @param[out] aTimeout A reference to where the information is placed. * * @retval kErrorNone Successfully get the max child timeout * @retval kErrorInvalidState Not an active router * @retval kErrorNotFound NO MTD child * */ Error GetMaxChildTimeout(uint32_t &aTimeout) const; /** * Sets the callback that is called when processing an MLE Discovery Request message. * * @param[in] aCallback A pointer to a function that is called to deliver MLE Discovery Request data. * @param[in] aContext A pointer to application-specific context. * */ void SetDiscoveryRequestCallback(otThreadDiscoveryRequestCallback aCallback, void *aContext) { mDiscoveryRequestCallback.Set(aCallback, aContext); } /** * Resets the MLE Advertisement Trickle timer interval. * */ void ResetAdvertiseInterval(void); /** * Updates the MLE Advertisement Trickle timer max interval (if timer is running). * * This is called when there is change in router table. * */ void UpdateAdvertiseInterval(void); #if OPENTHREAD_CONFIG_TIME_SYNC_ENABLE /** * Generates an MLE Time Synchronization message. * * @retval kErrorNone Successfully sent an MLE Time Synchronization message. * @retval kErrorNoBufs Insufficient buffers to generate the MLE Time Synchronization message. * */ Error SendTimeSync(void); #endif /** * Gets the maximum number of IP addresses that each MTD child may register with this device as parent. * * @returns The maximum number of IP addresses that each MTD child may register with this device as parent. * */ uint8_t GetMaxChildIpAddresses(void) const; #if OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE /** * Sets/restores the maximum number of IP addresses that each MTD child may register with this * device as parent. * * @param[in] aMaxIpAddresses The maximum number of IP addresses that each MTD child may register with this * device as parent. 0 to clear the setting and restore the default. * * @retval kErrorNone Successfully set/cleared the number. * @retval kErrorInvalidArgs If exceeds the allowed maximum number. * */ Error SetMaxChildIpAddresses(uint8_t aMaxIpAddresses); /** * Sets whether the device was commissioned using CCM. * * @param[in] aEnabled TRUE if the device was commissioned using CCM, FALSE otherwise. * */ void SetCcmEnabled(bool aEnabled) { mCcmEnabled = aEnabled; } /** * Sets whether the Security Policy TLV version-threshold for routing (VR field) is enabled. * * @param[in] aEnabled TRUE to enable Security Policy TLV version-threshold for routing, FALSE otherwise. * */ void SetThreadVersionCheckEnabled(bool aEnabled) { mThreadVersionCheckEnabled = aEnabled; } /** * Gets the current Interval Max value used by Advertisement trickle timer. * * @returns The Interval Max of Advertisement trickle timer in milliseconds. * */ uint32_t GetAdvertisementTrickleIntervalMax(void) const { return mAdvertiseTrickleTimer.GetIntervalMax(); } #endif // OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE private: // Advertisement trickle timer constants - all times are in milliseconds. static constexpr uint32_t kAdvIntervalMin = 1000; // I_MIN static constexpr uint32_t kAdvIntervalNeighborMultiplier = 4000; // Multiplier for I_MAX per router neighbor static constexpr uint32_t kAdvIntervalMaxLowerBound = 12000; // Lower bound for I_MAX static constexpr uint32_t kAdvIntervalMaxUpperBound = 32000; // Upper bound for I_MAX static constexpr uint32_t kReedAdvIntervalMin = 570000; static constexpr uint32_t kReedAdvIntervalMax = 630000; #if OPENTHREAD_CONFIG_MLE_LONG_ROUTES_ENABLE static constexpr uint32_t kAdvIntervalMaxLogRoutes = 5000; #endif static constexpr uint32_t kMaxNeighborAge = 100000; // Max neighbor age (in msec) static constexpr uint32_t kMaxLeaderToRouterTimeout = 90000; // (in msec) static constexpr uint8_t kMinDowngradeNeighbors = 7; static constexpr uint8_t kNetworkIdTimeout = 120; // (in sec) static constexpr uint8_t kRouterSelectionJitter = 120; // (in sec) static constexpr uint8_t kRouterDowngradeThreshold = 23; static constexpr uint8_t kRouterUpgradeThreshold = 16; static constexpr uint16_t kDiscoveryMaxJitter = 250; // Max jitter delay Discovery Responses (in msec). static constexpr uint16_t kChallengeTimeout = 2; // Challenge timeout (in sec). static constexpr uint16_t kUnsolicitedDataResponseJitter = 500; // Max delay for unsol Data Response (in msec). static constexpr uint8_t kLeaderDowngradeExtraDelay = 10; // Extra delay to downgrade leader (in sec). static constexpr uint8_t kDefaultLeaderWeight = 64; // Threshold to accept a router upgrade request with reason // `kBorderRouterRequest` (number of BRs acting as router in // Network Data). static constexpr uint8_t kRouterUpgradeBorderRouterRequestThreshold = 2; static constexpr uint8_t kLinkRequestMinMargin = OPENTHREAD_CONFIG_MLE_LINK_REQUEST_MARGIN_MIN; static constexpr uint8_t kPartitionMergeMinMargin = OPENTHREAD_CONFIG_MLE_PARTITION_MERGE_MARGIN_MIN; static constexpr uint8_t kChildRouterLinks = OPENTHREAD_CONFIG_MLE_CHILD_ROUTER_LINKS; static constexpr uint8_t kMaxChildIpAddresses = OPENTHREAD_CONFIG_MLE_IP_ADDRS_PER_CHILD; static constexpr uint8_t kMinCriticalChildrenCount = 6; static constexpr uint16_t kChildSupervisionDefaultIntervalForOlderVersion = OPENTHREAD_CONFIG_CHILD_SUPERVISION_OLDER_VERSION_CHILD_DEFAULT_INTERVAL; static constexpr int8_t kParentPriorityHigh = 1; static constexpr int8_t kParentPriorityMedium = 0; static constexpr int8_t kParentPriorityLow = -1; static constexpr int8_t kParentPriorityUnspecified = -2; class RouterRoleTransition { public: RouterRoleTransition(void); bool IsPending(void) const { return (mTimeout != 0); } void StartTimeout(void); void StopTimeout(void) { mTimeout = 0; } void IncreaseTimeout(uint8_t aIncrement) { mTimeout += aIncrement; } uint8_t GetTimeout(void) const { return mTimeout; } bool HandleTimeTick(void); uint8_t GetJitter(void) const { return mJitter; } void SetJitter(uint8_t aJitter) { mJitter = aJitter; } private: uint8_t mTimeout; uint8_t mJitter; }; void HandleDetachStart(void); void HandleChildStart(AttachMode aMode); void HandleSecurityPolicyChanged(void); void HandleLinkRequest(RxInfo &aRxInfo); void HandleLinkAccept(RxInfo &aRxInfo); Error HandleLinkAccept(RxInfo &aRxInfo, bool aRequest); void HandleLinkAcceptAndRequest(RxInfo &aRxInfo); Error HandleAdvertisement(RxInfo &aRxInfo, uint16_t aSourceAddress, const LeaderData &aLeaderData); void HandleParentRequest(RxInfo &aRxInfo); void HandleChildIdRequest(RxInfo &aRxInfo); void HandleChildUpdateRequest(RxInfo &aRxInfo); void HandleChildUpdateResponse(RxInfo &aRxInfo); void HandleDataRequest(RxInfo &aRxInfo); void HandleNetworkDataUpdateRouter(void); void HandleDiscoveryRequest(RxInfo &aRxInfo); static bool IsMessageMleSubType(const Message &aMessage); static bool IsMessageChildUpdateRequest(const Message &aMessage); Error ProcessRouteTlv(const RouteTlv &aRouteTlv, RxInfo &aRxInfo); Error ReadAndProcessRouteTlvOnFed(RxInfo &aRxInfo, uint8_t aParentId); void StopAdvertiseTrickleTimer(void); uint32_t DetermineAdvertiseIntervalMax(void) const; Error SendAddressSolicit(ThreadStatusTlv::Status aStatus); void SendAddressSolicitResponse(const Coap::Message &aRequest, ThreadStatusTlv::Status aResponseStatus, const Router *aRouter, const Ip6::MessageInfo &aMessageInfo); void SendAddressRelease(void); void SendAdvertisement(void); Error SendLinkAccept(const RxInfo &aRxInfo, Neighbor *aNeighbor, const TlvList &aRequestedTlvList, const RxChallenge &aChallenge); void SendParentResponse(Child *aChild, const RxChallenge &aChallenge, bool aRoutersOnlyRequest); Error SendChildIdResponse(Child &aChild); Error SendChildUpdateRequest(Child &aChild); void SendChildUpdateResponse(Child *aChild, const Ip6::MessageInfo &aMessageInfo, const TlvList &aTlvList, const RxChallenge &aChallenge); void SendDataResponse(const Ip6::Address &aDestination, const TlvList &aTlvList, uint16_t aDelay, const Message *aRequestMessage = nullptr); Error SendDiscoveryResponse(const Ip6::Address &aDestination, const Message &aDiscoverRequestMessage); void SetStateRouter(uint16_t aRloc16); void SetStateLeader(uint16_t aRloc16, LeaderStartMode aStartMode); void SetStateRouterOrLeader(DeviceRole aRole, uint16_t aRloc16, LeaderStartMode aStartMode); void StopLeader(void); void SynchronizeChildNetworkData(void); Error ProcessAddressRegistrationTlv(RxInfo &aRxInfo, Child &aChild); bool HasNeighborWithGoodLinkQuality(void) const; #if OPENTHREAD_CONFIG_TMF_PROXY_DUA_ENABLE void SignalDuaAddressEvent(const Child &aChild, const Ip6::Address &aOldDua) const; #endif static void HandleAddressSolicitResponse(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo, Error aResult); void HandleAddressSolicitResponse(Coap::Message *aMessage, const Ip6::MessageInfo *aMessageInfo, Error aResult); template void HandleTmf(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo); void HandlePartitionChange(void); void SetChildStateToValid(Child &aChild); bool HasChildren(void); void RemoveChildren(void); bool ShouldDowngrade(uint8_t aNeighborId, const RouteTlv &aRouteTlv) const; bool NeighborHasComparableConnectivity(const RouteTlv &aRouteTlv, uint8_t aNeighborId) const; static void HandleAdvertiseTrickleTimer(TrickleTimer &aTimer); void HandleAdvertiseTrickleTimer(void); void HandleTimeTick(void); TrickleTimer mAdvertiseTrickleTimer; #if OPENTHREAD_CONFIG_MLE_DEVICE_PROPERTY_LEADER_WEIGHT_ENABLE DeviceProperties mDeviceProperties; #endif ChildTable mChildTable; RouterTable mRouterTable; uint8_t mChallengeTimeout; TxChallenge mChallenge; uint16_t mNextChildId; uint8_t mNetworkIdTimeout; uint8_t mRouterUpgradeThreshold; uint8_t mRouterDowngradeThreshold; uint8_t mLeaderWeight; #if OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE uint32_t mPreferredLeaderPartitionId; ///< only for certification testing bool mCcmEnabled : 1; bool mThreadVersionCheckEnabled : 1; #endif bool mRouterEligible : 1; bool mAddressSolicitPending : 1; bool mAddressSolicitRejected : 1; uint8_t mRouterId; uint8_t mPreviousRouterId; uint32_t mPreviousPartitionIdRouter; ///< The partition ID when last operating as a router uint32_t mPreviousPartitionId; ///< The partition ID when last attached uint8_t mPreviousPartitionRouterIdSequence; ///< The router ID sequence when last attached uint8_t mPreviousPartitionIdTimeout; ///< The partition ID timeout when last attached RouterRoleTransition mRouterRoleTransition; uint8_t mChildRouterLinks; int8_t mParentPriority; ///< The assigned parent priority value, -2 means not assigned. #if OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE uint8_t mMaxChildIpAddresses; #endif #if OPENTHREAD_CONFIG_MLE_STEERING_DATA_SET_OOB_ENABLE MeshCoP::SteeringData mSteeringData; #endif Ip6::Netif::UnicastAddress mLeaderAloc; Callback mDiscoveryRequestCallback; }; DeclareTmfHandler(MleRouter, kUriAddressSolicit); DeclareTmfHandler(MleRouter, kUriAddressRelease); #endif // OPENTHREAD_FTD #if OPENTHREAD_MTD typedef Mle MleRouter; #endif } // namespace Mle /** * @} */ } // namespace ot #endif // MLE_ROUTER_HPP_