if_tcp_ecn_perf_stat Declarationstruct if_tcp_ecn_perf_stat { ... }; TopicsInstance Propertiesoo_percentreorder_percentrst_droprtt_avgrtt_varrxmit_droprxmit_percentsack_episodestotal_oopktstotal_reorderpktstotal_rxmitpktstotal_rxpktstotal_txpkts