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[mac] only apply neighbor check when key id mode is 1 (#5550)

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Allows receiving a Joiner Entrust message even after the device has
been commissioned.
This commit is contained in:
Jonathan Hui
2020-09-21 08:49:19 -07:00
committed by GitHub
parent 0683f78e17
commit efde29d3ed
1 changed files with 24 additions and 17 deletions
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src/core/mac/mac.cpp
+24 -17
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@@ -1891,30 +1891,37 @@ void Mac::HandleReceivedFrame(RxFrame *aFrame, otError aError)
if (aFrame->GetSecurityEnabled())
{
switch (neighbor->GetState())
uint8_t keyIdMode;
IgnoreError(aFrame->GetKeyIdMode(keyIdMode));
if (keyIdMode == Frame::kKeyIdMode1)
{
case Neighbor::kStateValid:
break;
switch (neighbor->GetState())
{
case Neighbor::kStateValid:
break;
case Neighbor::kStateRestored:
case Neighbor::kStateChildUpdateRequest:
case Neighbor::kStateRestored:
case Neighbor::kStateChildUpdateRequest:
// Only accept a "MAC Data Request" frame from a child being restored.
VerifyOrExit(aFrame->IsDataRequestCommand(), error = OT_ERROR_DROP);
break;
// Only accept a "MAC Data Request" frame from a child being restored.
VerifyOrExit(aFrame->IsDataRequestCommand(), error = OT_ERROR_DROP);
break;
default:
ExitNow(error = OT_ERROR_UNKNOWN_NEIGHBOR);
}
default:
ExitNow(error = OT_ERROR_UNKNOWN_NEIGHBOR);
}
#if OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2 && OPENTHREAD_FTD
// From Thread 1.2, MAC Data Frame can also act as keep-alive message if child supports
if (aFrame->GetType() == Frame::kFcfFrameData && !neighbor->IsRxOnWhenIdle() &&
neighbor->IsEnhancedKeepAliveSupported())
{
neighbor->SetLastHeard(TimerMilli::GetNow());
}
// From Thread 1.2, MAC Data Frame can also act as keep-alive message if child supports
if (aFrame->GetType() == Frame::kFcfFrameData && !neighbor->IsRxOnWhenIdle() &&
neighbor->IsEnhancedKeepAliveSupported())
{
neighbor->SetLastHeard(TimerMilli::GetNow());
}
#endif
}
}
}