1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 # 2 #
3 # XFRM configuration 3 # XFRM configuration
4 # 4 #
5 config XFRM 5 config XFRM
6 bool 6 bool
7 depends on INET 7 depends on INET
8 select GRO_CELLS 8 select GRO_CELLS
9 select SKB_EXTENSIONS 9 select SKB_EXTENSIONS
10 10
11 config XFRM_OFFLOAD 11 config XFRM_OFFLOAD
12 bool 12 bool
13 13
14 config XFRM_ALGO 14 config XFRM_ALGO
15 tristate 15 tristate
16 select XFRM 16 select XFRM
17 select CRYPTO 17 select CRYPTO
18 select CRYPTO_AEAD <<
19 select CRYPTO_HASH 18 select CRYPTO_HASH
20 select CRYPTO_SKCIPHER 19 select CRYPTO_SKCIPHER
21 20
22 if INET 21 if INET
23 config XFRM_USER 22 config XFRM_USER
24 tristate "Transformation user configur 23 tristate "Transformation user configuration interface"
25 select XFRM_ALGO 24 select XFRM_ALGO
26 help 25 help
27 Support for Transformation(XFRM) use 26 Support for Transformation(XFRM) user configuration interface
28 like IPsec used by native Linux tool 27 like IPsec used by native Linux tools.
29 28
30 If unsure, say Y. 29 If unsure, say Y.
31 <<
32 config XFRM_USER_COMPAT <<
33 tristate "Compatible ABI support" <<
34 depends on XFRM_USER && COMPAT_FOR_U64 <<
35 HAVE_EFFICIENT_UNALIGNED_ACCES <<
36 select WANT_COMPAT_NETLINK_MESSAGES <<
37 help <<
38 Transformation(XFRM) user configurat <<
39 used by compatible Linux application <<
40 <<
41 If unsure, say N. <<
42 30
43 config XFRM_INTERFACE 31 config XFRM_INTERFACE
44 tristate "Transformation virtual inter 32 tristate "Transformation virtual interface"
45 depends on XFRM && IPV6 33 depends on XFRM && IPV6
46 help 34 help
47 This provides a virtual interface to 35 This provides a virtual interface to route IPsec traffic.
48 36
49 If unsure, say N. 37 If unsure, say N.
50 38
51 config XFRM_SUB_POLICY 39 config XFRM_SUB_POLICY
52 bool "Transformation sub policy suppor 40 bool "Transformation sub policy support"
53 depends on XFRM 41 depends on XFRM
54 help 42 help
55 Support sub policy for developers. B 43 Support sub policy for developers. By using sub policy with main
56 one, two policies can be applied to 44 one, two policies can be applied to the same packet at once.
57 Policy which lives shorter time in k 45 Policy which lives shorter time in kernel should be a sub.
58 46
59 If unsure, say N. 47 If unsure, say N.
60 48
61 config XFRM_MIGRATE 49 config XFRM_MIGRATE
62 bool "Transformation migrate database" 50 bool "Transformation migrate database"
63 depends on XFRM 51 depends on XFRM
64 help 52 help
65 A feature to update locator(s) of a 53 A feature to update locator(s) of a given IPsec security
66 association dynamically. This featu 54 association dynamically. This feature is required, for
67 instance, in a Mobile IPv6 environme 55 instance, in a Mobile IPv6 environment with IPsec configuration
68 where mobile nodes change their atta 56 where mobile nodes change their attachment point to the Internet.
69 57
70 If unsure, say N. 58 If unsure, say N.
71 59
72 config XFRM_STATISTICS 60 config XFRM_STATISTICS
73 bool "Transformation statistics" 61 bool "Transformation statistics"
74 depends on XFRM && PROC_FS 62 depends on XFRM && PROC_FS
75 help 63 help
76 This statistics is not a SNMP/MIB sp 64 This statistics is not a SNMP/MIB specification but shows
77 statistics about transformation erro 65 statistics about transformation error (or almost error) factor
78 at packet processing for developer. 66 at packet processing for developer.
79 67
80 If unsure, say N. 68 If unsure, say N.
81 69
82 # This option selects XFRM_ALGO along with the 70 # This option selects XFRM_ALGO along with the AH authentication algorithms that
83 # RFC 8221 lists as MUST be implemented. 71 # RFC 8221 lists as MUST be implemented.
84 config XFRM_AH 72 config XFRM_AH
85 tristate 73 tristate
86 select XFRM_ALGO 74 select XFRM_ALGO
87 select CRYPTO 75 select CRYPTO
88 select CRYPTO_HMAC 76 select CRYPTO_HMAC
89 select CRYPTO_SHA256 77 select CRYPTO_SHA256
90 78
91 # This option selects XFRM_ALGO along with the 79 # This option selects XFRM_ALGO along with the ESP encryption and authentication
92 # algorithms that RFC 8221 lists as MUST be im 80 # algorithms that RFC 8221 lists as MUST be implemented.
93 config XFRM_ESP 81 config XFRM_ESP
94 tristate 82 tristate
95 select XFRM_ALGO 83 select XFRM_ALGO
96 select CRYPTO 84 select CRYPTO
97 select CRYPTO_AES 85 select CRYPTO_AES
98 select CRYPTO_AUTHENC 86 select CRYPTO_AUTHENC
99 select CRYPTO_CBC 87 select CRYPTO_CBC
100 select CRYPTO_ECHAINIV 88 select CRYPTO_ECHAINIV
101 select CRYPTO_GCM 89 select CRYPTO_GCM
102 select CRYPTO_HMAC 90 select CRYPTO_HMAC
103 select CRYPTO_SEQIV 91 select CRYPTO_SEQIV
104 select CRYPTO_SHA256 92 select CRYPTO_SHA256
105 93
106 config XFRM_IPCOMP 94 config XFRM_IPCOMP
107 tristate 95 tristate
108 select XFRM_ALGO 96 select XFRM_ALGO
109 select CRYPTO 97 select CRYPTO
110 select CRYPTO_DEFLATE 98 select CRYPTO_DEFLATE
111 99
112 config NET_KEY 100 config NET_KEY
113 tristate "PF_KEY sockets" 101 tristate "PF_KEY sockets"
114 select XFRM_ALGO 102 select XFRM_ALGO
115 help 103 help
116 PF_KEYv2 socket family, compatible t 104 PF_KEYv2 socket family, compatible to KAME ones.
117 They are required if you are going t 105 They are required if you are going to use IPsec tools ported
118 from KAME. 106 from KAME.
119 107
120 Say Y unless you know what you are d 108 Say Y unless you know what you are doing.
121 109
122 config NET_KEY_MIGRATE 110 config NET_KEY_MIGRATE
123 bool "PF_KEY MIGRATE" 111 bool "PF_KEY MIGRATE"
124 depends on NET_KEY 112 depends on NET_KEY
125 select XFRM_MIGRATE 113 select XFRM_MIGRATE
126 help 114 help
127 Add a PF_KEY MIGRATE message to PF_K 115 Add a PF_KEY MIGRATE message to PF_KEYv2 socket family.
128 The PF_KEY MIGRATE message is used t 116 The PF_KEY MIGRATE message is used to dynamically update
129 locator(s) of a given IPsec security 117 locator(s) of a given IPsec security association.
130 This feature is required, for instan 118 This feature is required, for instance, in a Mobile IPv6
131 environment with IPsec configuration 119 environment with IPsec configuration where mobile nodes
132 change their attachment point to the 120 change their attachment point to the Internet. Detail
133 information can be found in the inte 121 information can be found in the internet-draft
134 <draft-sugimoto-mip6-pfkey-migrate>. 122 <draft-sugimoto-mip6-pfkey-migrate>.
135 123
136 If unsure, say N. 124 If unsure, say N.
137 125
138 config XFRM_ESPINTCP 126 config XFRM_ESPINTCP
139 bool 127 bool
140 128
141 endif # INET 129 endif # INET
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