1# SPDX-License-Identifier: GPL-2.0-only
  2config SUNRPC
  3	tristate
  4	depends on MULTIUSER
  5
  6config SUNRPC_GSS
  7	tristate
  8	select OID_REGISTRY
  9	depends on MULTIUSER
 10
 11config SUNRPC_BACKCHANNEL
 12	bool
 13	depends on SUNRPC
 14
 15config SUNRPC_SWAP
 16	bool
 17	depends on SUNRPC
 18
 19config RPCSEC_GSS_KRB5
 20	tristate "Secure RPC: Kerberos V mechanism"
 21	depends on SUNRPC && CRYPTO
 
 
 22	default y
 23	select SUNRPC_GSS
 24	select CRYPTO_SKCIPHER
 25	select CRYPTO_HASH
 26	help
 27	  Choose Y here to enable Secure RPC using the Kerberos version 5
 28	  GSS-API mechanism (RFC 1964).
 29
 30	  Secure RPC calls with Kerberos require an auxiliary user-space
 31	  daemon which may be found in the Linux nfs-utils package
 32	  available from http://linux-nfs.org/.  In addition, user-space
 33	  Kerberos support should be installed.
 34
 35	  If unsure, say Y.
 36
 37config RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA1
 38	bool "Enable Kerberos enctypes based on AES and SHA-1"
 39	depends on RPCSEC_GSS_KRB5
 40	depends on CRYPTO_CBC && CRYPTO_CTS
 41	depends on CRYPTO_HMAC && CRYPTO_SHA1
 42	depends on CRYPTO_AES
 43	default y
 44	help
 45	  Choose Y to enable the use of Kerberos 5 encryption types
 46	  that utilize Advanced Encryption Standard (AES) ciphers and
 47	  SHA-1 digests. These include aes128-cts-hmac-sha1-96 and
 48	  aes256-cts-hmac-sha1-96.
 49
 50config RPCSEC_GSS_KRB5_ENCTYPES_CAMELLIA
 51	bool "Enable Kerberos encryption types based on Camellia and CMAC"
 52	depends on RPCSEC_GSS_KRB5
 53	depends on CRYPTO_CBC && CRYPTO_CTS && CRYPTO_CAMELLIA
 54	depends on CRYPTO_CMAC
 55	default n
 56	help
 57	  Choose Y to enable the use of Kerberos 5 encryption types
 58	  that utilize Camellia ciphers (RFC 3713) and CMAC digests
 59	  (NIST Special Publication 800-38B). These include
 60	  camellia128-cts-cmac and camellia256-cts-cmac.
 61
 62config RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA2
 63	bool "Enable Kerberos enctypes based on AES and SHA-2"
 64	depends on RPCSEC_GSS_KRB5
 65	depends on CRYPTO_CBC && CRYPTO_CTS
 66	depends on CRYPTO_HMAC && CRYPTO_SHA256 && CRYPTO_SHA512
 67	depends on CRYPTO_AES
 68	default n
 69	help
 70	  Choose Y to enable the use of Kerberos 5 encryption types
 71	  that utilize Advanced Encryption Standard (AES) ciphers and
 72	  SHA-2 digests. These include aes128-cts-hmac-sha256-128 and
 73	  aes256-cts-hmac-sha384-192.
 74
 75config RPCSEC_GSS_KRB5_KUNIT_TEST
 76	tristate "KUnit tests for RPCSEC GSS Kerberos" if !KUNIT_ALL_TESTS
 77	depends on RPCSEC_GSS_KRB5 && KUNIT
 78	default KUNIT_ALL_TESTS
 79	help
 80	  This builds the KUnit tests for RPCSEC GSS Kerberos 5.
 81
 82	  KUnit tests run during boot and output the results to the debug
 83	  log in TAP format (https://testanything.org/). Only useful for
 84	  kernel devs running KUnit test harness and are not for inclusion
 85	  into a production build.
 86
 87	  For more information on KUnit and unit tests in general, refer
 88	  to the KUnit documentation in Documentation/dev-tools/kunit/.
 89
 90config SUNRPC_DEBUG
 91	bool "RPC: Enable dprintk debugging"
 92	depends on SUNRPC && SYSCTL
 93	select DEBUG_FS
 94	help
 95	  This option enables a sysctl-based debugging interface
 96	  that is be used by the 'rpcdebug' utility to turn on or off
 97	  logging of different aspects of the kernel RPC activity.
 98
 99	  Disabling this option will make your kernel slightly smaller,
100	  but makes troubleshooting NFS issues significantly harder.
101
102	  If unsure, say Y.
103
104config SUNRPC_XPRT_RDMA
105	tristate "RPC-over-RDMA transport"
106	depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS
107	default SUNRPC && INFINIBAND
108	select SG_POOL
109	help
110	  This option allows the NFS client and server to use RDMA
111	  transports (InfiniBand, iWARP, or RoCE).
112
113	  To compile this support as a module, choose M. The module
114	  will be called rpcrdma.ko.
115
116	  If unsure, or you know there is no RDMA capability on your
117	  hardware platform, say N.

 1# SPDX-License-Identifier: GPL-2.0-only
 2config SUNRPC
 3	tristate
 4	depends on MULTIUSER
 5
 6config SUNRPC_GSS
 7	tristate
 8	select OID_REGISTRY
 9	depends on MULTIUSER
10
11config SUNRPC_BACKCHANNEL
12	bool
13	depends on SUNRPC
14
15config SUNRPC_SWAP
16	bool
17	depends on SUNRPC
18
19config RPCSEC_GSS_KRB5
20	tristate "Secure RPC: Kerberos V mechanism"
21	depends on SUNRPC && CRYPTO
22	depends on CRYPTO_MD5 && CRYPTO_DES && CRYPTO_CBC && CRYPTO_CTS
23	depends on CRYPTO_ECB && CRYPTO_HMAC && CRYPTO_SHA1 && CRYPTO_AES
24	default y
25	select SUNRPC_GSS
 
 
26	help
27	  Choose Y here to enable Secure RPC using the Kerberos version 5
28	  GSS-API mechanism (RFC 1964).
29
30	  Secure RPC calls with Kerberos require an auxiliary user-space
31	  daemon which may be found in the Linux nfs-utils package
32	  available from http://linux-nfs.org/.  In addition, user-space
33	  Kerberos support should be installed.
34
35	  If unsure, say Y.
36
37config SUNRPC_DISABLE_INSECURE_ENCTYPES
38	bool "Secure RPC: Disable insecure Kerberos encryption types"
39	depends on RPCSEC_GSS_KRB5
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
40	default n
41	help
42	  Choose Y here to disable the use of deprecated encryption types
43	  with the Kerberos version 5 GSS-API mechanism (RFC 1964). The
44	  deprecated encryption types include DES-CBC-MD5, DES-CBC-CRC,
45	  and DES-CBC-MD4. These types were deprecated by RFC 6649 because
46	  they were found to be insecure.
47
48	  N is the default because many sites have deployed KDCs and
49	  keytabs that contain only these deprecated encryption types.
50	  Choosing Y prevents the use of known-insecure encryption types
51	  but might result in compatibility problems.
 
 
 
 
 
 
 
 
 
52
53config SUNRPC_DEBUG
54	bool "RPC: Enable dprintk debugging"
55	depends on SUNRPC && SYSCTL
56	select DEBUG_FS
57	help
58	  This option enables a sysctl-based debugging interface
59	  that is be used by the 'rpcdebug' utility to turn on or off
60	  logging of different aspects of the kernel RPC activity.
61
62	  Disabling this option will make your kernel slightly smaller,
63	  but makes troubleshooting NFS issues significantly harder.
64
65	  If unsure, say Y.
66
67config SUNRPC_XPRT_RDMA
68	tristate "RPC-over-RDMA transport"
69	depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS
70	default SUNRPC && INFINIBAND
71	select SG_POOL
72	help
73	  This option allows the NFS client and server to use RDMA
74	  transports (InfiniBand, iWARP, or RoCE).
75
76	  To compile this support as a module, choose M. The module
77	  will be called rpcrdma.ko.
78
79	  If unsure, or you know there is no RDMA capability on your
80	  hardware platform, say N.