[linux-2.6-block.git] / net / xfrm / Kconfig

# SPDX-License-Identifier: GPL-2.0-only
#
# XFRM configuration
#
config XFRM
       bool
       depends on INET
       select GRO_CELLS
       select SKB_EXTENSIONS

config XFRM_OFFLOAD
       bool

config XFRM_ALGO
	tristate
	select XFRM
	select CRYPTO

if INET
config XFRM_USER
	tristate "Transformation user configuration interface"
	select XFRM_ALGO
	---help---
	  Support for Transformation(XFRM) user configuration interface
	  like IPsec used by native Linux tools.

	  If unsure, say Y.

config XFRM_INTERFACE
	tristate "Transformation virtual interface"
	depends on XFRM && IPV6
	---help---
	  This provides a virtual interface to route IPsec traffic.

	  If unsure, say N.

config XFRM_SUB_POLICY
	bool "Transformation sub policy support"
	depends on XFRM
	---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"
	depends on XFRM
	---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 XFRM_STATISTICS
	bool "Transformation statistics"
	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.

config XFRM_IPCOMP
	tristate
	select XFRM_ALGO
	select CRYPTO
	select CRYPTO_DEFLATE

config NET_KEY
	tristate "PF_KEY sockets"
	select XFRM_ALGO
	---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"
	depends on NET_KEY
	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.

endif # INET
Commit	Line	Data
ec8f24b7	1	# SPDX-License-Identifier: GPL-2.0-only
1da177e4 LT	2	#
	3	# XFRM configuration
	4	#
6a2e9b73 SR	5	config XFRM
6a2e9b73 SR	6	bool
e54d1527	7	depends on INET
97e219b7	8	select GRO_CELLS
a84e3f53	9	select SKB_EXTENSIONS
6a2e9b73	10
25393d3f SK	11	config XFRM_OFFLOAD
25393d3f SK	12	bool
25393d3f	13
7e152524 JB	14	config XFRM_ALGO
	15	tristate
	16	select XFRM
	17	select CRYPTO
	18
e54d1527	19	if INET
1da177e4	20	config XFRM_USER
654b32c6	21	tristate "Transformation user configuration interface"
7e152524	22	select XFRM_ALGO
1da177e4	23	---help---
654b32c6 MN	24	Support for Transformation(XFRM) user configuration interface
654b32c6 MN	25	like IPsec used by native Linux tools.
1da177e4 LT	26
	27	If unsure, say Y.
	28
f203b76d SK	29	config XFRM_INTERFACE
	30	tristate "Transformation virtual interface"
	31	depends on XFRM && IPV6
	32	---help---
	33	This provides a virtual interface to route IPsec traffic.
	34
	35	If unsure, say N.
	36
c11f1a15	37	config XFRM_SUB_POLICY
f215bf48 KC	38	bool "Transformation sub policy support"
f215bf48 KC	39	depends on XFRM
c11f1a15 MN	40	---help---
	41	Support sub policy for developers. By using sub policy with main
	42	one, two policies can be applied to the same packet at once.
	43	Policy which lives shorter time in kernel should be a sub.
	44
	45	If unsure, say N.
	46
d0473655	47	config XFRM_MIGRATE
f215bf48 KC	48	bool "Transformation migrate database"
f215bf48 KC	49	depends on XFRM
d0473655 SS	50	---help---
	51	A feature to update locator(s) of a given IPsec security
	52	association dynamically. This feature is required, for
	53	instance, in a Mobile IPv6 environment with IPsec configuration
	54	where mobile nodes change their attachment point to the Internet.
	55
	56	If unsure, say N.
	57
8ea84349	58	config XFRM_STATISTICS
f215bf48	59	bool "Transformation statistics"
e54d1527	60	depends on XFRM && PROC_FS
8ea84349 MN	61	---help---
	62	This statistics is not a SNMP/MIB specification but shows
	63	statistics about transformation error (or almost error) factor
	64	at packet processing for developer.
	65
	66	If unsure, say N.
	67
6fccab67 HX	68	config XFRM_IPCOMP
6fccab67 HX	69	tristate
7e152524	70	select XFRM_ALGO
6fccab67 HX	71	select CRYPTO
	72	select CRYPTO_DEFLATE
	73
6a2e9b73 SR	74	config NET_KEY
6a2e9b73 SR	75	tristate "PF_KEY sockets"
7e152524	76	select XFRM_ALGO
6a2e9b73 SR	77	---help---
	78	PF_KEYv2 socket family, compatible to KAME ones.
	79	They are required if you are going to use IPsec tools ported
	80	from KAME.
	81
	82	Say Y unless you know what you are doing.
	83
f6ed0ec0	84	config NET_KEY_MIGRATE
f215bf48 KC	85	bool "PF_KEY MIGRATE"
f215bf48 KC	86	depends on NET_KEY
f6ed0ec0 SS	87	select XFRM_MIGRATE
	88	---help---
	89	Add a PF_KEY MIGRATE message to PF_KEYv2 socket family.
	90	The PF_KEY MIGRATE message is used to dynamically update
	91	locator(s) of a given IPsec security association.
	92	This feature is required, for instance, in a Mobile IPv6
	93	environment with IPsec configuration where mobile nodes
	94	change their attachment point to the Internet. Detail
	95	information can be found in the internet-draft
	96	<draft-sugimoto-mip6-pfkey-migrate>.
	97
	98	If unsure, say N.
e54d1527 FW	99
e54d1527 FW	100	endif # INET