mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-26 04:53:42 +00:00
0b1e580672
In the general case, CONFIG_NFS_READ_SIZE is unchanged from the default of 1024. There are in fact no in-tree users that increase this size. Adjust the comment to reflect what could be done in the future in conjunction with CONFIG_IP_DEFRAG. Cc: Joe Hershberger <joe.hershberger@ni.com> Signed-off-by: Tom Rini <trini@konsulko.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
85 lines
2 KiB
C
85 lines
2 KiB
C
/*
|
|
* (C) Masami Komiya <mkomiya@sonare.it> 2004
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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 NFS3PROC_LOOKUP 3
|
|
|
|
#define NFS_FHSIZE 32
|
|
#define NFS3_FHSIZE 64
|
|
|
|
#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, a bigger value could be used. In any
|
|
* case, most NFS servers are optimized for a power of 2.
|
|
*/
|
|
#define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */
|
|
|
|
/* Values for Accept State flag on RPC answers (See: rfc1831) */
|
|
enum rpc_accept_stat {
|
|
NFS_RPC_SUCCESS = 0, /* RPC executed successfully */
|
|
NFS_RPC_PROG_UNAVAIL = 1, /* remote hasn't exported program */
|
|
NFS_RPC_PROG_MISMATCH = 2, /* remote can't support version # */
|
|
NFS_RPC_PROC_UNAVAIL = 3, /* program can't support procedure */
|
|
NFS_RPC_GARBAGE_ARGS = 4, /* procedure can't decode params */
|
|
NFS_RPC_SYSTEM_ERR = 5 /* errors like memory allocation failure */
|
|
};
|
|
|
|
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[NFS_READ_SIZE];
|
|
} reply;
|
|
} u;
|
|
} __attribute__((packed));
|
|
void nfs_start(void); /* Begin NFS */
|
|
|
|
|
|
/**********************************************************************/
|
|
|
|
#endif /* __NFS_H__ */
|