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#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.
* Chosen to be a power of two, as most NFS servers are optimized for this. */
#define NFS_READ_SIZE 1024
#define NFS_MAXLINKDEPTH 16
struct rpc_t {
struct iphdr ip;
struct udphdr udp;
union {
uint8_t data[300]; /* longest RPC call must fit!!!! */
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[1];
} reply;
} u;
} PACKED;
#endif /* _NFS_H */
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