const golang.org/x/sys/unix.VIRTIO_NET_HDR_GSO_ECN

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L6232: 	VIRTIO_NET_HDR_GSO_ECN    = 0x80

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)