546                 if (info->Protocol)  in uDNS_SendNATMsg()
553                     NATPortReq.opcode  = info->Protocol;  in uDNS_SendNATMsg()
604             req.protocol = (info->Protocol == NATOp_MapUDP ? PCPProto_UDP : PCPProto_TCP);  in uDNS_SendNATMsg()
610             if (info->Protocol)  in uDNS_SendNATMsg()
661         if (!n->Protocol) n->NewResult = mStatus_NoError;  in RecreateNATMappings()
728              (n->Protocol ?  in natTraversalHandleAddressReply()
757 …const char *prot = n->Protocol == 0 ? "Add" : n->Protocol == NATOp_MapUDP ? "UDP" : n->Protocol ==…  in natTraversalHandlePortMapReplyWithAddress()
789 …if (n->Protocol) n->RequestedPort = extport; // Don't report the (PCP) external port to address-on…  in natTraversalHandlePortMapReplyWithAddress()
809 …traversal->Protocol, mDNSVal16(traversal->IntPort), mDNSVal16(traversal->RequestedPort), traversal…  in mDNS_StartNATOperation_internal()
817 …               traversal, traversal->Protocol, mDNSVal16(traversal->IntPort), traversal->NATLease);  in mDNS_StartNATOperation_internal()
823 …if (traversal->Protocol && traversal->Protocol == (*n)->Protocol && mDNSSameIPPort(traversal->IntP…  in mDNS_StartNATOperation_internal()
827 …                traversal, traversal->Protocol, mDNSVal16(traversal->IntPort), traversal->NATLease,  in mDNS_StartNATOperation_internal()
828                    *n,        (*n)->Protocol, mDNSVal16((*n)->IntPort), (*n)->NATLease);  in mDNS_StartNATOperation_internal()
861     if (!traversal->Protocol)  in mDNS_StartNATOperation_internal()
889 …traversal->Protocol, mDNSVal16(traversal->IntPort), mDNSVal16(traversal->RequestedPort), traversal…  in mDNS_StopNATOperation_internal()
897         if (traversal->Protocol ?  in mDNS_StopNATOperation_internal()
898 …         ((traversal->Protocol == p->Protocol && mDNSSameIPPort(traversal->IntPort, p->IntPort)) ||  in mDNS_StopNATOperation_internal()
899 …(!p->Protocol && traversal->Protocol == NATOp_MapTCP && mDNSSameIPPort(traversal->IntPort, Discard…  in mDNS_StopNATOperation_internal()
900 …        (!p->Protocol || (p->Protocol == NATOp_MapTCP && mDNSSameIPPort(p->IntPort, DiscardPort))))  in mDNS_StopNATOperation_internal()
904 …                traversal, traversal->Protocol, mDNSVal16(traversal->IntPort), traversal->NATLease,  in mDNS_StopNATOperation_internal()
905 …                       p,         p->Protocol, mDNSVal16(        p->IntPort),         p->NATLease);  in mDNS_StopNATOperation_internal()
2165     rr->NATinfo.Protocol       = protocol;  in StartRecordNatMap()
2416             h->natinfo.Protocol         = 0;  in AdvertiseHostname()
3684         mDNSu8 Protocol = AddrReply->opcode & 0x7F;  in uDNS_ReceiveNATPMPPacket()  local
3702             if (ptr->Protocol == Protocol && mDNSSameIPPort(ptr->IntPort, PortMapReply->intport))  in uDNS_ReceiveNATPMPPacket()
3833 …mDNSu8 ptrProtocol = ((ptr->Protocol & NATOp_MapTCP) == NATOp_MapTCP ? PCPProto_TCP : PCPProto_UDP…  in uDNS_ReceivePCPPacket()
3835             (!ptr->Protocol && protocol == PCPProto_TCP && mDNSSameIPPort(DiscardPort, intport)))  in uDNS_ReceivePCPPacket()
5035 …if (!cur->Protocol || HaveRoutable || cur->ExpiryTime || cur->retryInterval > NATMAP_INIT_RETRY * …  in CheckNATMappings()
5042 …    if (cur->Protocol && mDNSIPPortIsZero(ExternalPort) && !mDNSIPv4AddressIsZero(m->Router.ip.v4))  in CheckNATMappings()