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

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L2590: 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1

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