forked from luck/tmp_suning_uos_patched
5106f4a8ac
Provide the user-to-kernel translator under XFRM_USER_COMPAT, that creates for 32-bit xfrm-user message a 64-bit translation. The translation is afterwards reused by xfrm_user code just as if userspace had sent 64-bit message. Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
141 lines
3.4 KiB
Plaintext
141 lines
3.4 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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#
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# XFRM configuration
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#
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config XFRM
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bool
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depends on INET
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select GRO_CELLS
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select SKB_EXTENSIONS
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config XFRM_OFFLOAD
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bool
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config XFRM_ALGO
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tristate
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select XFRM
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select CRYPTO
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select CRYPTO_HASH
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select CRYPTO_SKCIPHER
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if INET
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config XFRM_USER
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tristate "Transformation user configuration interface"
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select XFRM_ALGO
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help
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Support for Transformation(XFRM) user configuration interface
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like IPsec used by native Linux tools.
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If unsure, say Y.
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config XFRM_USER_COMPAT
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tristate "Compatible ABI support"
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depends on XFRM_USER && COMPAT_FOR_U64_ALIGNMENT && \
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HAVE_EFFICIENT_UNALIGNED_ACCESS
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select WANT_COMPAT_NETLINK_MESSAGES
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help
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Transformation(XFRM) user configuration interface like IPsec
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used by compatible Linux applications.
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If unsure, say N.
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config XFRM_INTERFACE
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tristate "Transformation virtual interface"
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depends on XFRM && IPV6
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help
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This provides a virtual interface to route IPsec traffic.
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If unsure, say N.
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config XFRM_SUB_POLICY
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bool "Transformation sub policy support"
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depends on XFRM
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help
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Support sub policy for developers. By using sub policy with main
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one, two policies can be applied to the same packet at once.
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Policy which lives shorter time in kernel should be a sub.
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If unsure, say N.
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config XFRM_MIGRATE
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bool "Transformation migrate database"
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depends on XFRM
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help
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A feature to update locator(s) of a given IPsec security
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association dynamically. This feature is required, for
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instance, in a Mobile IPv6 environment with IPsec configuration
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where mobile nodes change their attachment point to the Internet.
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If unsure, say N.
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config XFRM_STATISTICS
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bool "Transformation statistics"
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depends on XFRM && PROC_FS
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help
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This statistics is not a SNMP/MIB specification but shows
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statistics about transformation error (or almost error) factor
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at packet processing for developer.
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If unsure, say N.
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# This option selects XFRM_ALGO along with the AH authentication algorithms that
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# RFC 8221 lists as MUST be implemented.
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config XFRM_AH
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tristate
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select XFRM_ALGO
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select CRYPTO
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select CRYPTO_HMAC
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select CRYPTO_SHA256
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# This option selects XFRM_ALGO along with the ESP encryption and authentication
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# algorithms that RFC 8221 lists as MUST be implemented.
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config XFRM_ESP
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tristate
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select XFRM_ALGO
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select CRYPTO
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select CRYPTO_AES
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select CRYPTO_AUTHENC
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select CRYPTO_CBC
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select CRYPTO_ECHAINIV
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select CRYPTO_GCM
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select CRYPTO_HMAC
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select CRYPTO_SEQIV
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select CRYPTO_SHA256
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config XFRM_IPCOMP
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tristate
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select XFRM_ALGO
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select CRYPTO
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select CRYPTO_DEFLATE
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config NET_KEY
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tristate "PF_KEY sockets"
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select XFRM_ALGO
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help
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PF_KEYv2 socket family, compatible to KAME ones.
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They are required if you are going to use IPsec tools ported
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from KAME.
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Say Y unless you know what you are doing.
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config NET_KEY_MIGRATE
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bool "PF_KEY MIGRATE"
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depends on NET_KEY
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select XFRM_MIGRATE
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help
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Add a PF_KEY MIGRATE message to PF_KEYv2 socket family.
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The PF_KEY MIGRATE message is used to dynamically update
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locator(s) of a given IPsec security association.
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This feature is required, for instance, in a Mobile IPv6
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environment with IPsec configuration where mobile nodes
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change their attachment point to the Internet. Detail
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information can be found in the internet-draft
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<draft-sugimoto-mip6-pfkey-migrate>.
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If unsure, say N.
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config XFRM_ESPINTCP
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bool
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endif # INET
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