config NETFILTER_XT_MATCH_LENGTH2
	tristate '"length2" match support'
	depends on NETFILTER_XTABLES
	---help---
	This option adds the "length2" match which is an advanced form of
	xt_length that allows unambiguous layer-4/-5/-7 length matching. It is
	useful to detect empty packets or for aiding in packet scheduling.