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_KRB5 25 select CRYPTO_SKCIPHER 26 select CRYPTO_HASH 27 help 28 Choose Y here to enable Secure RPC using the Kerberos version 5 29 GSS-API mechanism (RFC 1964). 30 31 Secure RPC calls with Kerberos require an auxiliary user-space 32 daemon which may be found in the Linux nfs-utils package 33 available from http://linux-nfs.org/. In addition, user-space 34 Kerberos support should be installed. 35 36 If unsure, say Y. 37 38config RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA1 39 bool "Enable Kerberos enctypes based on AES and SHA-1" 40 depends on RPCSEC_GSS_KRB5 41 depends on CRYPTO_CBC && CRYPTO_CTS 42 depends on CRYPTO_HMAC && CRYPTO_SHA1 43 depends on CRYPTO_AES 44 default y 45 help 46 Choose Y to enable the use of Kerberos 5 encryption types 47 that utilize Advanced Encryption Standard (AES) ciphers and 48 SHA-1 digests. These include aes128-cts-hmac-sha1-96 and 49 aes256-cts-hmac-sha1-96. 50 51config RPCSEC_GSS_KRB5_ENCTYPES_CAMELLIA 52 bool "Enable Kerberos encryption types based on Camellia and CMAC" 53 depends on RPCSEC_GSS_KRB5 54 depends on CRYPTO_CBC && CRYPTO_CTS && CRYPTO_CAMELLIA 55 depends on CRYPTO_CMAC 56 default n 57 help 58 Choose Y to enable the use of Kerberos 5 encryption types 59 that utilize Camellia ciphers (RFC 3713) and CMAC digests 60 (NIST Special Publication 800-38B). These include 61 camellia128-cts-cmac and camellia256-cts-cmac. 62 63config RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA2 64 bool "Enable Kerberos enctypes based on AES and SHA-2" 65 depends on RPCSEC_GSS_KRB5 66 depends on CRYPTO_CBC && CRYPTO_CTS 67 depends on CRYPTO_HMAC && CRYPTO_SHA256 && CRYPTO_SHA512 68 depends on CRYPTO_AES 69 default n 70 help 71 Choose Y to enable the use of Kerberos 5 encryption types 72 that utilize Advanced Encryption Standard (AES) ciphers and 73 SHA-2 digests. These include aes128-cts-hmac-sha256-128 and 74 aes256-cts-hmac-sha384-192. 75 76config SUNRPC_DEBUG 77 bool "RPC: Enable dprintk debugging" 78 depends on SUNRPC && SYSCTL 79 select DEBUG_FS 80 help 81 This option enables a sysctl-based debugging interface 82 that is be used by the 'rpcdebug' utility to turn on or off 83 logging of different aspects of the kernel RPC activity. 84 85 Disabling this option will make your kernel slightly smaller, 86 but makes troubleshooting NFS issues significantly harder. 87 88 If unsure, say Y. 89 90config SUNRPC_DEBUG_TRACE 91 bool "RPC: Send dfprintk() output to the trace buffer" 92 depends on SUNRPC_DEBUG && TRACING 93 default n 94 help 95 dprintk() output can be voluminous, which can overwhelm the 96 kernel's logging facility as it must be sent to the console. 97 This option causes dprintk() output to go to the trace buffer 98 instead of the kernel log. 99 100 This will cause warnings about trace_printk() being used to be 101 logged at boot time, so say N unless you are debugging a problem 102 with sunrpc-based clients or services. 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