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0e5f9d50ad
Steffen Klassert says: ==================== pull request (net): ipsec 2020-06-19 1) Fix double ESP trailer insertion in IPsec crypto offload if netif_xmit_frozen_or_stopped is true. From Huy Nguyen. 2) Merge fixup for "remove output_finish indirection from xfrm_state_afinfo". From Stephen Rothwell. 3) Select CRYPTO_SEQIV for ESP as this is needed for GCM and several other encryption algorithms. Also modernize the crypto algorithm selections for ESP and AH, remove those that are maked as "MUST NOT" and add those that are marked as "MUST" be implemented in RFC 8221. From Eric Biggers. Please note the merge conflict between commit:a7f7f6248d("treewide: replace '---help---' in Kconfig files with 'help'") from Linus' tree and commits:7d4e391959("esp, ah: consolidate the crypto algorithm selections")be01369859("esp, ah: modernize the crypto algorithm selections") from the ipsec tree. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
130 lines
3.1 KiB
Plaintext
130 lines
3.1 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_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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