• AddressType : pcpp::IPAddress
• BgpMessageType : pcpp::BgpLayer
• ChannelDistribution : pcpp::PfRingDevice
• ConnectionEndReason : pcpp::TcpReassembly
• DeviceMode : pcpp::PcapLiveDevice
• DpdkRssHashFunction : pcpp::DpdkDevice
• HttpMethod : pcpp::HttpRequestLayer
• HttpResponseStatusCode : pcpp::HttpResponseLayer
• IPv6ExtensionType : pcpp::IPv6Extension
• KniCallbackType : pcpp::KniDeviceList
• KniCallbackVersion : pcpp::KniDeviceList
• KniInfoState : pcpp::KniDevice
• KniLinkState : pcpp::KniDevice
• KniPromiscuousMode : pcpp::KniDevice
• LinkDuplex : pcpp::DpdkDevice::LinkStatus
• LiveDeviceType : pcpp::PcapLiveDevice
• LogLevel : pcpp::LoggerPP
• MatchOptions : pcpp::TcpFlagsFilter
• NopEolOptionTypes : pcpp::TcpOptionBuilder
• PcapDirection : pcpp::PcapLiveDevice
• PPPoECode : pcpp::PPPoELayer
• PPPoETagTypes : pcpp::PPPoEDiscoveryLayer
• ReassemblyStatus : pcpp::IPReassembly , pcpp::TcpReassembly
• RecvPacketResult : pcpp::RawSocketDevice
• SipMethod : pcpp::SipRequestLayer
• SipResponseStatusCode : pcpp::SipResponseLayer
• TcpFlags : pcpp::TcpFlagsFilter
• TimestampType : pcpp::IPv4TimestampOptionValue