diff options
| -rw-r--r-- | fs/Kconfig | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index 55c1a0374e13..83201856b362 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -1757,15 +1757,32 @@ config SUNRPC_XPRT_RDMA tristate depends on SUNRPC && INFINIBAND && EXPERIMENTAL default SUNRPC && INFINIBAND + help + This option enables an RPC client transport capability that + allows the NFS client to mount servers via an RDMA-enabled + transport. + + To compile RPC client RDMA transport support as a module, + choose M here: the module will be called xprtrdma. + + If unsure, say N. config SUNRPC_BIND34 bool "Support for rpcbind versions 3 & 4 (EXPERIMENTAL)" depends on SUNRPC && EXPERIMENTAL help - Provides kernel support for querying rpcbind servers via versions 3 - and 4 of the rpcbind protocol. The kernel automatically falls back - to version 2 if a remote rpcbind service does not support versions - 3 or 4. + RPC requests over IPv6 networks require support for larger + addresses when performing an RPC bind. Sun added support for + IPv6 addressing by creating two new versions of the rpcbind + protocol (RFC 1833). + + This option enables support in the kernel RPC client for + querying rpcbind servers via versions 3 and 4 of the rpcbind + protocol. The kernel automatically falls back to version 2 + if a remote rpcbind service does not support versions 3 or 4. + By themselves, these new versions do not provide support for + RPC over IPv6, but the new protocol versions are necessary to + support it. If unsure, say N to get traditional behavior (version 2 rpcbind requests only). @@ -1779,12 +1796,13 @@ config RPCSEC_GSS_KRB5 select CRYPTO_DES select CRYPTO_CBC help - Provides for secure RPC calls by means of a gss-api - mechanism based on Kerberos V5. This is required for - NFSv4. + Choose Y here to enable Secure RPC using the Kerberos version 5 + GSS-API mechanism (RFC 1964). - Note: Requires an auxiliary userspace daemon which may be found on - http://www.citi.umich.edu/projects/nfsv4/ + 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 N. @@ -1798,11 +1816,12 @@ config RPCSEC_GSS_SPKM3 select CRYPTO_CAST5 select CRYPTO_CBC help - Provides for secure RPC calls by means of a gss-api - mechanism based on the SPKM3 public-key mechanism. + Choose Y here to enable Secure RPC using the SPKM3 public key + GSS-API mechansim (RFC 2025). - Note: Requires an auxiliary userspace daemon which may be found on - http://www.citi.umich.edu/projects/nfsv4/ + Secure RPC calls with SPKM3 require an auxiliary userspace + daemon which may be found in the Linux nfs-utils package + available from http://linux-nfs.org/. If unsure, say N. |