340 …         if (mplOffsetRange.GetOffset() == sizeof(ip6Header) + sizeof(hbh) && hbh.GetLength() == 0)  in RemoveMplOption()
345 …else if (mplOffsetRange.GetOffset() + ExtensionHeader::kLengthUnitSize == offsetRange.GetEndOffset…  in RemoveMplOption()
390         aMessage.WriteBytes(mplOffsetRange.GetOffset(), &padOption, padOption.GetSize());  in RemoveMplOption()
556 … FragmentHeader::MakeDivisibleByEight(kMinimalMtu - aMessage.GetOffset() - sizeof(fragmentHeader));  in FragmentDatagram()
557     uint16_t payloadLeft = aMessage.GetLength() - aMessage.GetOffset();  in FragmentDatagram()
589 …SuccessOrExit(error = fragment->SetLength(aMessage.GetOffset() + sizeof(fragmentHeader) + payloadF…  in FragmentDatagram()
594         fragment->SetOffset(aMessage.GetOffset());  in FragmentDatagram()
595         fragment->Write(aMessage.GetOffset(), fragmentHeader);  in FragmentDatagram()
598             /* aWriteOffset */ aMessage.GetOffset() + sizeof(fragmentHeader), aMessage,  in FragmentDatagram()
599             /* aReadOffset */ aMessage.GetOffset() + FragmentHeader::FragmentOffsetToBytes(offset),  in FragmentDatagram()
634     SuccessOrExit(error = aMessage.Read(aMessage.GetOffset(), fragmentHeader));  in HandleFragment()
636     if (fragmentHeader.GetOffset() == 0 && !fragmentHeader.IsMoreFlagSet())  in HandleFragment()
655     offset          = FragmentHeader::FragmentOffsetToBytes(fragmentHeader.GetOffset());  in HandleFragment()
656     payloadFragment = aMessage.GetLength() - aMessage.GetOffset() - sizeof(fragmentHeader);  in HandleFragment()
661     if (offset + payloadFragment + aMessage.GetOffset() > kMaxAssembledDatagramLength)  in HandleFragment()
678         SuccessOrExit(error = message->AppendBytesFromMessage(aMessage, 0, aMessage.GetOffset()));  in HandleFragment()
684     if (message->GetLength() < offset + payloadFragment + aMessage.GetOffset())  in HandleFragment()
686         SuccessOrExit(error = message->SetLength(offset + payloadFragment + aMessage.GetOffset()));  in HandleFragment()
691         /* aWriteOffset */ aMessage.GetOffset() + offset, aMessage,  in HandleFragment()
692 …   /* aReadOffset */ aMessage.GetOffset() + sizeof(fragmentHeader), /* aLength */ payloadFragment);  in HandleFragment()
698         message->SetOffset(aMessage.GetOffset() + offset + payloadFragment);  in HandleFragment()
795     SuccessOrExit(error = aMessage.Read(aMessage.GetOffset(), fragmentHeader));  in HandleFragment()
797 …VerifyOrExit(fragmentHeader.GetOffset() == 0 && !fragmentHeader.IsMoreFlagSet(), error = kErrorDro…  in HandleFragment()
816         SuccessOrExit(error = aMessagePtr->Read(aMessagePtr->GetOffset(), extHeader));  in HandleExtensionHeaders()
964                 IgnoreError(aMessagePtr->Read(aMessagePtr->GetOffset(), icmp));  in PassToHost()
974             IgnoreError(aMessagePtr->Read(aMessagePtr->GetOffset(), udp));  in PassToHost()
1172         messagePtr->RemoveHeader(messagePtr->GetOffset());  in HandleDatagram()
1209             SuccessOrExit(error = aMessagePtr->Read(aMessagePtr->GetOffset(), icmpType));  in HandleDatagram()
1233                 SuccessOrExit(error = aMessagePtr->Read(aMessagePtr->GetOffset(), udpHeader));  in HandleDatagram()