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bd931ca61c
To take advantage of defragmented packets, the config file can define CONFIG_NFS_READ_SIZE to override the 1kB default. No support is there for an environment variable by now. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
/*
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* (C) Masami Komiya <mkomiya@sonare.it> 2004
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2, or (at
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* your option) any later version.
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*/
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#ifndef __NFS_H__
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#define __NFS_H__
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#define SUNRPC_PORT 111
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#define PROG_PORTMAP 100000
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#define PROG_NFS 100003
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#define PROG_MOUNT 100005
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#define MSG_CALL 0
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#define MSG_REPLY 1
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#define PORTMAP_GETPORT 3
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#define MOUNT_ADDENTRY 1
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#define MOUNT_UMOUNTALL 4
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#define NFS_LOOKUP 4
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#define NFS_READLINK 5
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#define NFS_READ 6
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#define NFS_FHSIZE 32
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#define NFSERR_PERM 1
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#define NFSERR_NOENT 2
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#define NFSERR_ACCES 13
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#define NFSERR_ISDIR 21
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#define NFSERR_INVAL 22
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/* Block size used for NFS read accesses. A RPC reply packet (including all
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* headers) must fit within a single Ethernet frame to avoid fragmentation.
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* However, if CONFIG_IP_DEFRAG is set, the config file may want to use a
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* bigger value. In any case, most NFS servers are optimized for a power of 2.
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*/
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#ifdef CONFIG_NFS_READ_SIZE
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#define NFS_READ_SIZE CONFIG_NFS_READ_SIZE
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#else
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#define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */
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#endif
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#define NFS_MAXLINKDEPTH 16
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struct rpc_t {
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union {
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uint8_t data[2048];
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struct {
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uint32_t id;
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uint32_t type;
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uint32_t rpcvers;
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uint32_t prog;
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uint32_t vers;
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uint32_t proc;
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uint32_t data[1];
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} call;
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struct {
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uint32_t id;
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uint32_t type;
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uint32_t rstatus;
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uint32_t verifier;
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uint32_t v2;
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uint32_t astatus;
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uint32_t data[19];
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} reply;
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} u;
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};
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extern void NfsStart (void); /* Begin NFS */
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/**********************************************************************/
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#endif /* __NFS_H__ */
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