linux/net/xfrm/Kconfig
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   1#
   2# XFRM configuration
   3#
   4config XFRM
   5       bool
   6       depends on NET
   7
   8config XFRM_ALGO
   9        tristate
  10        select XFRM
  11        select CRYPTO
  12
  13config XFRM_USER
  14        tristate "Transformation user configuration interface"
  15        depends on INET
  16        select XFRM_ALGO
  17        ---help---
  18          Support for Transformation(XFRM) user configuration interface
  19          like IPsec used by native Linux tools.
  20
  21          If unsure, say Y.
  22
  23config XFRM_SUB_POLICY
  24        bool "Transformation sub policy support (EXPERIMENTAL)"
  25        depends on XFRM && EXPERIMENTAL
  26        ---help---
  27          Support sub policy for developers. By using sub policy with main
  28          one, two policies can be applied to the same packet at once.
  29          Policy which lives shorter time in kernel should be a sub.
  30
  31          If unsure, say N.
  32
  33config XFRM_MIGRATE
  34        bool "Transformation migrate database (EXPERIMENTAL)"
  35        depends on XFRM && EXPERIMENTAL
  36        ---help---
  37          A feature to update locator(s) of a given IPsec security
  38          association dynamically.  This feature is required, for
  39          instance, in a Mobile IPv6 environment with IPsec configuration
  40          where mobile nodes change their attachment point to the Internet.
  41
  42          If unsure, say N.
  43
  44config XFRM_STATISTICS
  45        bool "Transformation statistics (EXPERIMENTAL)"
  46        depends on INET && XFRM && PROC_FS && EXPERIMENTAL
  47        ---help---
  48          This statistics is not a SNMP/MIB specification but shows
  49          statistics about transformation error (or almost error) factor
  50          at packet processing for developer.
  51
  52          If unsure, say N.
  53
  54config XFRM_IPCOMP
  55        tristate
  56        select XFRM_ALGO
  57        select CRYPTO
  58        select CRYPTO_DEFLATE
  59
  60config NET_KEY
  61        tristate "PF_KEY sockets"
  62        select XFRM_ALGO
  63        ---help---
  64          PF_KEYv2 socket family, compatible to KAME ones.
  65          They are required if you are going to use IPsec tools ported
  66          from KAME.
  67
  68          Say Y unless you know what you are doing.
  69
  70config NET_KEY_MIGRATE
  71        bool "PF_KEY MIGRATE (EXPERIMENTAL)"
  72        depends on NET_KEY && EXPERIMENTAL
  73        select XFRM_MIGRATE
  74        ---help---
  75          Add a PF_KEY MIGRATE message to PF_KEYv2 socket family.
  76          The PF_KEY MIGRATE message is used to dynamically update
  77          locator(s) of a given IPsec security association.
  78          This feature is required, for instance, in a Mobile IPv6
  79          environment with IPsec configuration where mobile nodes
  80          change their attachment point to the Internet.  Detail
  81          information can be found in the internet-draft
  82          <draft-sugimoto-mip6-pfkey-migrate>.
  83
  84          If unsure, say N.
  85
  86
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