linux-vybrid_public/net/xfrm/Kconfig

#
# XFRM configuration
#
config XFRM
       bool
       depends on NET

config XFRM_USER
	tristate "IPsec user configuration interface"
	depends on INET && XFRM
	---help---
	  Support for IPsec user configuration interface used
	  by native Linux tools.

	  If unsure, say Y.

config NET_KEY
	tristate "PF_KEY sockets"
	select XFRM
	---help---
	  PF_KEYv2 socket family, compatible to KAME ones.
	  They are required if you are going to use IPsec tools ported
	  from KAME.

	  Say Y unless you know what you are doing.