u-boot/net/nfs.h
Alessandro Rubini bd931ca61c nfs: accept CONFIG_NFS_READ_SIZE from config file
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>
2009-08-25 13:35:54 -07:00

81 lines
1.8 KiB
C

/*
* (C) Masami Komiya <mkomiya@sonare.it> 2004
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2, or (at
* your option) any later version.
*/
#ifndef __NFS_H__
#define __NFS_H__
#define SUNRPC_PORT 111
#define PROG_PORTMAP 100000
#define PROG_NFS 100003
#define PROG_MOUNT 100005
#define MSG_CALL 0
#define MSG_REPLY 1
#define PORTMAP_GETPORT 3
#define MOUNT_ADDENTRY 1
#define MOUNT_UMOUNTALL 4
#define NFS_LOOKUP 4
#define NFS_READLINK 5
#define NFS_READ 6
#define NFS_FHSIZE 32
#define NFSERR_PERM 1
#define NFSERR_NOENT 2
#define NFSERR_ACCES 13
#define NFSERR_ISDIR 21
#define NFSERR_INVAL 22
/* Block size used for NFS read accesses. A RPC reply packet (including all
* headers) must fit within a single Ethernet frame to avoid fragmentation.
* However, if CONFIG_IP_DEFRAG is set, the config file may want to use a
* bigger value. In any case, most NFS servers are optimized for a power of 2.
*/
#ifdef CONFIG_NFS_READ_SIZE
#define NFS_READ_SIZE CONFIG_NFS_READ_SIZE
#else
#define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */
#endif
#define NFS_MAXLINKDEPTH 16
struct rpc_t {
union {
uint8_t data[2048];
struct {
uint32_t id;
uint32_t type;
uint32_t rpcvers;
uint32_t prog;
uint32_t vers;
uint32_t proc;
uint32_t data[1];
} call;
struct {
uint32_t id;
uint32_t type;
uint32_t rstatus;
uint32_t verifier;
uint32_t v2;
uint32_t astatus;
uint32_t data[19];
} reply;
} u;
};
extern void NfsStart (void); /* Begin NFS */
/**********************************************************************/
#endif /* __NFS_H__ */