diff options
Diffstat (limited to 'net/xfrm/Kconfig')
| -rw-r--r-- | net/xfrm/Kconfig | 99 |
1 files changed, 81 insertions, 18 deletions
diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig index 5d43aaa17027..4a62817a88f8 100644 --- a/net/xfrm/Kconfig +++ b/net/xfrm/Kconfig @@ -1,34 +1,49 @@ +# SPDX-License-Identifier: GPL-2.0-only # # XFRM configuration # config XFRM - bool - depends on NET - select GRO_CELLS - select SKB_EXTENSIONS + bool + depends on INET + select GRO_CELLS + select SKB_EXTENSIONS config XFRM_OFFLOAD - bool + bool config XFRM_ALGO tristate select XFRM select CRYPTO + select CRYPTO_AEAD + select CRYPTO_HASH + select CRYPTO_SKCIPHER +if INET config XFRM_USER tristate "Transformation user configuration interface" - depends on INET select XFRM_ALGO - ---help--- + help Support for Transformation(XFRM) user configuration interface like IPsec used by native Linux tools. If unsure, say Y. +config XFRM_USER_COMPAT + tristate "Compatible ABI support" + depends on XFRM_USER && COMPAT_FOR_U64_ALIGNMENT && \ + HAVE_EFFICIENT_UNALIGNED_ACCESS + select WANT_COMPAT_NETLINK_MESSAGES + help + Transformation(XFRM) user configuration interface like IPsec + used by compatible Linux applications. + + If unsure, say N. + config XFRM_INTERFACE tristate "Transformation virtual interface" depends on XFRM && IPV6 - ---help--- + help This provides a virtual interface to route IPsec traffic. If unsure, say N. @@ -36,7 +51,7 @@ config XFRM_INTERFACE config XFRM_SUB_POLICY bool "Transformation sub policy support" depends on XFRM - ---help--- + 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. @@ -46,7 +61,7 @@ config XFRM_SUB_POLICY config XFRM_MIGRATE bool "Transformation migrate database" depends on XFRM - ---help--- + 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 @@ -56,14 +71,38 @@ config XFRM_MIGRATE config XFRM_STATISTICS bool "Transformation statistics" - depends on INET && XFRM && PROC_FS - ---help--- + depends on 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. +# This option selects XFRM_ALGO along with the AH authentication algorithms that +# RFC 8221 lists as MUST be implemented. +config XFRM_AH + tristate + select XFRM_ALGO + select CRYPTO + select CRYPTO_HMAC + select CRYPTO_SHA256 + +# This option selects XFRM_ALGO along with the ESP encryption and authentication +# algorithms that RFC 8221 lists as MUST be implemented. +config XFRM_ESP + tristate + select XFRM_ALGO + select CRYPTO + select CRYPTO_AES + select CRYPTO_AUTHENC + select CRYPTO_CBC + select CRYPTO_ECHAINIV + select CRYPTO_GCM + select CRYPTO_HMAC + select CRYPTO_SEQIV + select CRYPTO_SHA256 + config XFRM_IPCOMP tristate select XFRM_ALGO @@ -71,20 +110,23 @@ config XFRM_IPCOMP select CRYPTO_DEFLATE config NET_KEY - tristate "PF_KEY sockets" + tristate "PF_KEY sockets (deprecated)" select XFRM_ALGO - ---help--- + 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. + The PF_KEYv2 socket interface is deprecated and + scheduled for removal. All maintained IKE daemons + no longer need PF_KEY sockets. Please use the netlink + interface (XFRM_USER) to configure IPsec. + + If unsure, say N. config NET_KEY_MIGRATE bool "PF_KEY MIGRATE" depends on NET_KEY select XFRM_MIGRATE - ---help--- + 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. @@ -95,3 +137,24 @@ config NET_KEY_MIGRATE <draft-sugimoto-mip6-pfkey-migrate>. If unsure, say N. + +config XFRM_IPTFS + tristate "IPsec IP-TFS/AGGFRAG (RFC 9347) encapsulation support" + depends on XFRM + help + Information on the IP-TFS/AGGFRAG encapsulation can be found + in RFC 9347. This feature supports demand driven (i.e., + non-constant send rate) IP-TFS to take advantage of the + AGGFRAG ESP payload encapsulation. This payload type + supports aggregation and fragmentation of the inner IP + packet stream which in turn yields higher small-packet + bandwidth as well as reducing MTU/PMTU issues. Congestion + control is unimplementated as the send rate is demand driven + rather than constant. + + If unsure, say N. + +config XFRM_ESPINTCP + bool + +endif # INET |