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kernel/linux-imx6_3.14.28/net/xfrm/Kconfig 2.19 KB
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  #
  # XFRM configuration
  #
  config XFRM
         bool
         depends on NET
  
  config XFRM_ALGO
  	tristate
  	select XFRM
  	select CRYPTO
  
  config XFRM_USER
  	tristate "Transformation user configuration interface"
  	depends on INET
  	select XFRM_ALGO
  	---help---
  	  Support for Transformation(XFRM) user configuration interface
  	  like IPsec used by native Linux tools.
  
  	  If unsure, say Y.
  
  config XFRM_SUB_POLICY
  	bool "Transformation sub policy support"
  	depends on XFRM
  	---help---
  	  Support sub policy for developers. By using sub policy with main
  	  one, two policies can be applied to the same packet at once.
  	  Policy which lives shorter time in kernel should be a sub.
  
  	  If unsure, say N.
  
  config XFRM_MIGRATE
  	bool "Transformation migrate database"
  	depends on XFRM
  	---help---
  	  A feature to update locator(s) of a given IPsec security
  	  association dynamically.  This feature is required, for
  	  instance, in a Mobile IPv6 environment with IPsec configuration
  	  where mobile nodes change their attachment point to the Internet.
  
  	  If unsure, say N.
  
  config XFRM_STATISTICS
  	bool "Transformation statistics"
  	depends on INET && XFRM && PROC_FS
  	---help---
  	  This statistics is not a SNMP/MIB specification but shows
  	  statistics about transformation error (or almost error) factor
  	  at packet processing for developer.
  
  	  If unsure, say N.
  
  config XFRM_IPCOMP
  	tristate
  	select XFRM_ALGO
  	select CRYPTO
  	select CRYPTO_DEFLATE
  
  config NET_KEY
  	tristate "PF_KEY sockets"
  	select XFRM_ALGO
  	---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.
  
  config NET_KEY_MIGRATE
  	bool "PF_KEY MIGRATE"
  	depends on NET_KEY
  	select XFRM_MIGRATE
  	---help---
  	  Add a PF_KEY MIGRATE message to PF_KEYv2 socket family.
  	  The PF_KEY MIGRATE message is used to dynamically update
  	  locator(s) of a given IPsec security association.
  	  This feature is required, for instance, in a Mobile IPv6
  	  environment with IPsec configuration where mobile nodes
  	  change their attachment point to the Internet.  Detail
  	  information can be found in the internet-draft
  	  <draft-sugimoto-mip6-pfkey-migrate>.
  
  	  If unsure, say N.