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[core] update tmf rules to allow link local multicast address as dest (#2865)

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This commit is contained in:
rongli
2018-07-06 23:43:32 -05:00
committed by Jonathan Hui
parent d54076ea97
commit 19c73f8b66
1 changed files with 3 additions and 2 deletions
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src/core/thread/thread_netif.cpp
+3 -2
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@@ -191,13 +191,14 @@ bool ThreadNetif::IsTmfMessage(const Ip6::MessageInfo &aMessageInfo)
// A TMF message must comply with following rules:
// 1. The destination is a Mesh Local Address or a Link-Local Multicast Address or a Realm-Local Multicast Address,
// and the source is a Mesh Local Address.
// and the source is a Mesh Local Address. Or
// 2. Both the destination and the source are Link-Local Addresses.
VerifyOrExit(
((mMleRouter.IsMeshLocalAddress(aMessageInfo.GetSockAddr()) ||
aMessageInfo.GetSockAddr().IsLinkLocalMulticast() || aMessageInfo.GetSockAddr().IsRealmLocalMulticast()) &&
mMleRouter.IsMeshLocalAddress(aMessageInfo.GetPeerAddr())) ||
(aMessageInfo.GetSockAddr().IsLinkLocal() && aMessageInfo.GetPeerAddr().IsLinkLocal()),
((aMessageInfo.GetSockAddr().IsLinkLocal() || aMessageInfo.GetSockAddr().IsLinkLocalMulticast()) &&
aMessageInfo.GetPeerAddr().IsLinkLocal()),
rval = false);
exit:
return rval;