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[dua] assume child does not have DUA if no space to store one (#7164)

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This commit is contained in:
Jonathan Hui
2021-11-15 10:17:02 -08:00
committed by GitHub
parent 34c8c82ee4
commit b4ac18a273
1 changed files with 26 additions and 17 deletions
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src/core/thread/mle_router.cpp
+26 -17
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@@ -2111,23 +2111,6 @@ Error MleRouter::UpdateChildAddresses(const Message &aMessage, uint16_t aOffset,
address.Clear();
address.SetPrefix(context.mPrefix);
address.SetIid(entry.GetIid());
#if OPENTHREAD_FTD && OPENTHREAD_CONFIG_TMF_PROXY_DUA_ENABLE
if (Get<BackboneRouter::Leader>().IsDomainUnicast(address))
{
hasDua = true;
if (oldDuaPtr != nullptr)
{
Get<DuaManager>().UpdateChildDomainUnicastAddress(
aChild, oldDua != address ? ChildDuaState::kChanged : ChildDuaState::kUnchanged);
}
else
{
Get<DuaManager>().UpdateChildDomainUnicastAddress(aChild, ChildDuaState::kAdded);
}
}
#endif
}
else
{
@@ -2152,11 +2135,37 @@ Error MleRouter::UpdateChildAddresses(const Message &aMessage, uint16_t aOffset,
if (error == kErrorNone)
{
storedCount++;
#if OPENTHREAD_FTD && OPENTHREAD_CONFIG_TMF_PROXY_DUA_ENABLE
if (Get<BackboneRouter::Leader>().IsDomainUnicast(address))
{
hasDua = true;
if (oldDuaPtr != nullptr)
{
Get<DuaManager>().UpdateChildDomainUnicastAddress(
aChild, oldDua != address ? ChildDuaState::kChanged : ChildDuaState::kUnchanged);
}
else
{
Get<DuaManager>().UpdateChildDomainUnicastAddress(aChild, ChildDuaState::kAdded);
}
}
#endif
otLogInfoMle("Child 0x%04x IPv6 address[%d]=%s", aChild.GetRloc16(), storedCount,
address.ToString().AsCString());
}
else
{
#if OPENTHREAD_FTD && OPENTHREAD_CONFIG_TMF_PROXY_DUA_ENABLE
if (Get<BackboneRouter::Leader>().IsDomainUnicast(address))
{
// if not able to store DUA, then assume child does not have one
hasDua = false;
}
#endif
otLogWarnMle("Error %s adding IPv6 address %s to child 0x%04x", ErrorToString(error),
address.ToString().AsCString(), aChild.GetRloc16());
}