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

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L4052: 	ETHTOOL_A_TSINFO_PHC_INDEX                = 0x5

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