pub type Ipv4Ecn = IpEcn;
IpEcn
enum Ipv4Ecn { NotEct = 0, Ect1 = 1, Ect0 = 2, CongestionExperienced = 3, }
End node is not an ECN capable transport.
End node is an ECN capable transport (experimental).
End node is an ECN capable transport.
Congestion is experienced by the router.