Add the beginnings of NFS client support

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4443 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 117 insertions, 0 deletions

diff --git a/nuttx/fs/nfs/rpc_v2.h b/nuttx/fs/nfs/rpc_v2.h
new file mode 100644
index 000000000..3e4f215ff
--- /dev/null
+++ b/nuttx/fs/nfs/rpc_v2.h
@@ -0,0 +1,117 @@
+/****************************************************************************
+ * fs/nfs/rpc_types.h
+ * Definitions for Sun RPC Version 2, from
+ * "RPC: Remote Procedure Call Protocol Specification" RFC1057
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2012 Jose Pablo Rojas Vargas. All rights reserved.
+ *   Author: Jose Pablo Rojas Vargas <jrojas@nx-engineering.com>
+ *
+ * Leveraged from OpenBSD:
+ *
+ *   Copyright (c) 1989, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Rick Macklem at The University of Guelph.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __FS_NFS_RPC_V2_H
+#define __FS_NFS_RPC_V2_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Version # */
+
+#define RPC_VER2         2
+
+/* Authentication */
+
+#define RPCAUTH_NULL     0
+#define RPCAUTH_UNIX     1
+#define RPCAUTH_SHORT    2
+#define RPCAUTH_KERB4    4
+#define RPCAUTH_MAXSIZ   400
+#define RPCVERF_MAXSIZ   12
+                                /* For Kerb, can actually be 400 */
+#define RPCAUTH_UNIXGIDS 16
+
+/* Constants associated with authentication flavours. */
+
+#define RPCAKN_FULLNAME  0
+#define RPCAKN_NICKNAME  1
+
+/* Rpc Constants */
+
+#define RPC_CALL         0
+#define RPC_REPLY        1
+#define RPC_MSGACCEPTED  0
+#define RPC_MSGDENIED    1
+#define RPC_PROGUNAVAIL  1
+#define RPC_PROGMISMATCH 2
+#define RPC_PROCUNAVAIL  3
+#define RPC_GARBAGE      4
+
+#define RPC_MISMATCH     0
+#define RPC_AUTHERR      1
+
+/* Authentication failures */
+
+#define AUTH_BADCRED     1
+#define AUTH_REJECTCRED  2
+#define AUTH_BADVERF     3
+#define AUTH_REJECTVERF  4
+#define AUTH_TOOWEAK     5
+
+/* Sizes of rpc header parts */
+
+#define RPC_SIZ          24
+#define RPC_REPLYSIZ     28
+
+/* RPC Prog definitions */
+
+#define RPCPROG_MNT      100005
+#define RPCMNT_VER1      1
+#define RPCMNT_VER3      3
+#define RPCMNT_MOUNT     1
+#define RPCMNT_DUMP      2
+#define RPCMNT_UMOUNT    3
+#define RPCMNT_UMNTALL   4
+#define RPCMNT_EXPORT    5
+#define RPCMNT_NAMELEN   255
+#define RPCMNT_PATHLEN   1024
+#define RPCPROG_NFS      100003
+
+#endif /* __FS_NFS_RPC_V2_H */