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. 118