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Linux lhjmq-records 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64

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Current File : //usr/src/linux-headers-5.15.0-127-generic/net/sunrpc/Kconfig

# SPDX-License-Identifier: GPL-2.0-only
config SUNRPC
	tristate
	depends on MULTIUSER

config SUNRPC_GSS
	tristate
	select OID_REGISTRY
	depends on MULTIUSER

config SUNRPC_BACKCHANNEL
	bool
	depends on SUNRPC

config SUNRPC_SWAP
	bool
	depends on SUNRPC

config RPCSEC_GSS_KRB5
	tristate "Secure RPC: Kerberos V mechanism"
	depends on SUNRPC && CRYPTO
	depends on CRYPTO_MD5 && CRYPTO_DES && CRYPTO_CBC && CRYPTO_CTS
	depends on CRYPTO_ECB && CRYPTO_HMAC && CRYPTO_SHA1 && CRYPTO_AES
	default y
	select SUNRPC_GSS
	help
	  Choose Y here to enable Secure RPC using the Kerberos version 5
	  GSS-API mechanism (RFC 1964).

	  Secure RPC calls with Kerberos require an auxiliary user-space
	  daemon which may be found in the Linux nfs-utils package
	  available from http://linux-nfs.org/.  In addition, user-space
	  Kerberos support should be installed.

	  If unsure, say Y.

config SUNRPC_DISABLE_INSECURE_ENCTYPES
	bool "Secure RPC: Disable insecure Kerberos encryption types"
	depends on RPCSEC_GSS_KRB5
	default n
	help
	  Choose Y here to disable the use of deprecated encryption types
	  with the Kerberos version 5 GSS-API mechanism (RFC 1964). The
	  deprecated encryption types include DES-CBC-MD5, DES-CBC-CRC,
	  and DES-CBC-MD4. These types were deprecated by RFC 6649 because
	  they were found to be insecure.

	  N is the default because many sites have deployed KDCs and
	  keytabs that contain only these deprecated encryption types.
	  Choosing Y prevents the use of known-insecure encryption types
	  but might result in compatibility problems.

config SUNRPC_DEBUG
	bool "RPC: Enable dprintk debugging"
	depends on SUNRPC && SYSCTL
	select DEBUG_FS
	help
	  This option enables a sysctl-based debugging interface
	  that is be used by the 'rpcdebug' utility to turn on or off
	  logging of different aspects of the kernel RPC activity.

	  Disabling this option will make your kernel slightly smaller,
	  but makes troubleshooting NFS issues significantly harder.

	  If unsure, say Y.

config SUNRPC_XPRT_RDMA
	tristate "RPC-over-RDMA transport"
	depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS
	default SUNRPC && INFINIBAND
	select SG_POOL
	help
	  This option allows the NFS client and server to use RDMA
	  transports (InfiniBand, iWARP, or RoCE).

	  To compile this support as a module, choose M. The module
	  will be called rpcrdma.ko.

	  If unsure, or you know there is no RDMA capability on your
	  hardware platform, say N.