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#
# XFRM configuration
#
config XFRM
       bool
       depends on NET

config XFRM_USER
        tristate "Transformation user configuration interface"
        depends on INET && XFRM
        ---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 (EXPERIMENTAL)"
        depends on XFRM && EXPERIMENTAL
        ---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 (EXPERIMENTAL)"
        depends on XFRM && EXPERIMENTAL
        ---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 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.

config NET_KEY_MIGRATE
        bool "PF_KEY MIGRATE (EXPERIMENTAL)"
        depends on NET_KEY && EXPERIMENTAL
        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.