diff options
Diffstat (limited to 'net/nfs.c')
| -rw-r--r-- | net/nfs.c | 726 |
1 files changed, 352 insertions, 374 deletions
@@ -32,28 +32,111 @@ #include <libgen.h> #include <fcntl.h> #include <errno.h> -#include "nfs.h" +#include <progress.h> +#include <linux/err.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 + +enum nfs_stat { + NFS_OK = 0, + NFSERR_PERM = 1, + NFSERR_NOENT = 2, + NFSERR_IO = 5, + NFSERR_NXIO = 6, + NFSERR_ACCES = 13, + NFSERR_EXIST = 17, + NFSERR_NODEV = 19, + NFSERR_NOTDIR = 20, + NFSERR_ISDIR = 21, + NFSERR_FBIG = 27, + NFSERR_NOSPC = 28, + NFSERR_ROFS = 30, + NFSERR_NAMETOOLONG=63, + NFSERR_NOTEMPTY = 66, + NFSERR_DQUOT = 69, + NFSERR_STALE = 70, + NFSERR_WFLUSH = 99, +}; + +/* 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 + +struct rpc_call { + uint32_t id; + uint32_t type; + uint32_t rpcvers; + uint32_t prog; + uint32_t vers; + uint32_t proc; + uint32_t data[0]; +}; + +struct rpc_reply { + uint32_t id; + uint32_t type; + uint32_t rstatus; + uint32_t verifier; + uint32_t v2; + uint32_t astatus; + uint32_t data[0]; +}; + +struct rpc_t { + union { + 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; +}; + +#define NFS_TIMEOUT 1 -/*#define NFS_DEBUG*/ - -#define HASHES_PER_LINE 65 /* Number of "loading" hashes per line */ -#define NFS_TIMEOUT 60 - -static int fs_mounted = 0; static unsigned long rpc_id = 0; static int nfs_offset = -1; -static int nfs_len; +static uint64_t nfs_timer_start; +static int nfs_err; static char dirfh[NFS_FHSIZE]; /* file handle of directory */ static char filefh[NFS_FHSIZE]; /* file handle of kernel image */ -static int NfsDownloadState; -static IPaddr_t NfsServerIP; -static int NfsSrvMountPort; -static int NfsSrvNfsPort; -static int NfsOurPort; -static int NfsTimeoutCount; -static int NfsState; +static int nfs_server_mount_port; +static int nfs_server_nfs_port; +static int nfs_state; #define STATE_PRCLOOKUP_PROG_MOUNT_REQ 1 #define STATE_PRCLOOKUP_PROG_NFS_REQ 2 #define STATE_MOUNT_REQ 3 @@ -61,40 +144,22 @@ static int NfsState; #define STATE_LOOKUP_REQ 5 #define STATE_READ_REQ 6 #define STATE_READLINK_REQ 7 +#define STATE_DONE 8 static char *nfs_filename; static char *nfs_path; static char nfs_path_buff[2048]; static int net_store_fd; - -static __inline__ int -store_block (uchar * src, unsigned offset, unsigned len) -{ - ulong newsize = offset + len; - int ret; - - ret = write(net_store_fd, src, len); - if (ret < 0) - return ret; - - if (NetBootFileXferSize < (offset+len)) - NetBootFileXferSize = newsize; - - return 0; -} +static struct net_connection *nfs_con; /************************************************************************** RPC_ADD_CREDENTIALS - Add RPC authentication/verifier entries **************************************************************************/ -static long *rpc_add_credentials (long *p) +static uint32_t *rpc_add_credentials(uint32_t *p) { int hl; - int hostnamelen; - char hostname[256]; - - strcpy (hostname, ""); - hostnamelen=strlen (hostname); + int hostnamelen = 0; /* Here's the executive summary on authentication requirements of the * various NFS server implementations: Linux accepts both AUTH_NONE @@ -112,10 +177,12 @@ static long *rpc_add_credentials (long *p) *p++ = htonl(hl+20); /* auth length */ *p++ = htonl(0); /* stamp */ *p++ = htonl(hostnamelen); /* hostname string */ - if (hostnamelen & 3) { + + if (hostnamelen & 3) *(p + hostnamelen / 4) = 0; /* add zero padding */ - } - memcpy (p, hostname, hostnamelen); + + /* memcpy(p, hostname, hostnamelen); */ /* empty hostname */ + p += hl / 4; *p++ = 0; /* uid */ *p++ = 0; /* gid */ @@ -131,46 +198,42 @@ static long *rpc_add_credentials (long *p) /************************************************************************** RPC_LOOKUP - Lookup RPC Port numbers **************************************************************************/ -static void -rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) +static int rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen) { - struct rpc_t pkt; + struct rpc_call pkt; unsigned long id; - uint32_t *p; - int pktlen; int sport; + int ret; + unsigned char *payload = net_udp_get_payload(nfs_con); id = ++rpc_id; - pkt.u.call.id = htonl(id); - pkt.u.call.type = htonl(MSG_CALL); - pkt.u.call.rpcvers = htonl(2); /* use RPC version 2 */ - pkt.u.call.prog = htonl(rpc_prog); - pkt.u.call.vers = htonl(2); /* portmapper is version 2 */ - pkt.u.call.proc = htonl(rpc_proc); - p = (uint32_t *)&(pkt.u.call.data); - - if (datalen) - memcpy ((char *)p, (char *)data, datalen*sizeof(uint32_t)); + pkt.id = htonl(id); + pkt.type = htonl(MSG_CALL); + pkt.rpcvers = htonl(2); /* use RPC version 2 */ + pkt.prog = htonl(rpc_prog); + pkt.vers = htonl(2); /* portmapper is version 2 */ + pkt.proc = htonl(rpc_proc); - pktlen = (char *)p + datalen*sizeof(uint32_t) - (char *)&pkt; - - memcpy ((char *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE, (char *)&pkt, pktlen); + memcpy(payload, &pkt, sizeof(pkt)); + memcpy(payload + sizeof(pkt), data, datalen * sizeof(uint32_t)); if (rpc_prog == PROG_PORTMAP) sport = SUNRPC_PORT; else if (rpc_prog == PROG_MOUNT) - sport = NfsSrvMountPort; + sport = nfs_server_mount_port; else - sport = NfsSrvNfsPort; + sport = nfs_server_nfs_port; + + nfs_con->udp->uh_dport = htons(sport); + ret = net_udp_send(nfs_con, sizeof(pkt) + datalen * sizeof(uint32_t)); - NetSendUDPPacket (NetServerEther, NfsServerIP, sport, NfsOurPort, pktlen); + return ret; } /************************************************************************** RPC_LOOKUP - Lookup RPC Port numbers **************************************************************************/ -static void -rpc_lookup_req (int prog, int ver) +static void rpc_lookup_req(int prog, int ver) { uint32_t data[16]; @@ -181,14 +244,13 @@ rpc_lookup_req (int prog, int ver) data[6] = htonl(17); /* IP_UDP */ data[7] = 0; - rpc_req (PROG_PORTMAP, PORTMAP_GETPORT, data, 8); + rpc_req(PROG_PORTMAP, PORTMAP_GETPORT, data, 8); } /************************************************************************** NFS_MOUNT - Mount an NFS Filesystem **************************************************************************/ -static void -nfs_mount_req (char *path) +static void nfs_mount_req(char *path) { uint32_t data[1024]; uint32_t *p; @@ -198,39 +260,38 @@ nfs_mount_req (char *path) pathlen = strlen (path); p = &(data[0]); - p = (uint32_t *)rpc_add_credentials((long *)p); + p = rpc_add_credentials(p); *p++ = htonl(pathlen); - if (pathlen & 3) *(p + pathlen / 4) = 0; + if (pathlen & 3) + *(p + pathlen / 4) = 0; memcpy (p, path, pathlen); p += (pathlen + 3) / 4; - len = (uint32_t *)p - (uint32_t *)&(data[0]); + len = p - &(data[0]); - rpc_req (PROG_MOUNT, MOUNT_ADDENTRY, data, len); + rpc_req(PROG_MOUNT, MOUNT_ADDENTRY, data, len); } /************************************************************************** NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server **************************************************************************/ -static void -nfs_umountall_req (void) +static void nfs_umountall_req(void) { uint32_t data[1024]; uint32_t *p; int len; - if ((NfsSrvMountPort == -1) || (!fs_mounted)) { + if (nfs_server_mount_port < 0) /* Nothing mounted, nothing to umount */ return; - } p = &(data[0]); - p = (uint32_t *)rpc_add_credentials ((long *)p); + p = rpc_add_credentials(p); - len = (uint32_t *)p - (uint32_t *)&(data[0]); + len = p - &(data[0]); - rpc_req (PROG_MOUNT, MOUNT_UMOUNTALL, data, len); + rpc_req(PROG_MOUNT, MOUNT_UMOUNTALL, data, len); } /*************************************************************************** @@ -240,29 +301,27 @@ nfs_umountall_req (void) * In case of successful readlink(), the dirname is manipulated, * so that inside the nfs() function a recursion can be done. **************************************************************************/ -static void -nfs_readlink_req (void) +static void nfs_readlink_req(void) { uint32_t data[1024]; uint32_t *p; int len; p = &(data[0]); - p = (uint32_t *)rpc_add_credentials ((long *)p); + p = rpc_add_credentials(p); memcpy (p, filefh, NFS_FHSIZE); p += (NFS_FHSIZE / 4); - len = (uint32_t *)p - (uint32_t *)&(data[0]); + len = p - &(data[0]); - rpc_req (PROG_NFS, NFS_READLINK, data, len); + rpc_req(PROG_NFS, NFS_READLINK, data, len); } /************************************************************************** NFS_LOOKUP - Lookup Pathname **************************************************************************/ -static void -nfs_lookup_req (char *fname) +static void nfs_lookup_req(char *fname) { uint32_t data[1024]; uint32_t *p; @@ -272,32 +331,32 @@ nfs_lookup_req (char *fname) fnamelen = strlen (fname); p = &(data[0]); - p = (uint32_t *)rpc_add_credentials ((long *)p); + p = rpc_add_credentials(p); memcpy (p, dirfh, NFS_FHSIZE); p += (NFS_FHSIZE / 4); *p++ = htonl(fnamelen); - if (fnamelen & 3) *(p + fnamelen / 4) = 0; + if (fnamelen & 3) + *(p + fnamelen / 4) = 0; memcpy (p, fname, fnamelen); p += (fnamelen + 3) / 4; - len = (uint32_t *)p - (uint32_t *)&(data[0]); + len = p - &(data[0]); - rpc_req (PROG_NFS, NFS_LOOKUP, data, len); + rpc_req(PROG_NFS, NFS_LOOKUP, data, len); } /************************************************************************** NFS_READ - Read File on NFS Server **************************************************************************/ -static void -nfs_read_req (int offset, int readlen) +static void nfs_read_req(int offset, int readlen) { uint32_t data[1024]; uint32_t *p; int len; p = &(data[0]); - p = (uint32_t *)rpc_add_credentials ((long *)p); + p = rpc_add_credentials(p); memcpy (p, filefh, NFS_FHSIZE); p += (NFS_FHSIZE / 4); @@ -305,238 +364,196 @@ nfs_read_req (int offset, int readlen) *p++ = htonl(readlen); *p++ = 0; - len = (uint32_t *)p - (uint32_t *)&(data[0]); + len = p - &(data[0]); - rpc_req (PROG_NFS, NFS_READ, data, len); + rpc_req(PROG_NFS, NFS_READ, data, len); } /************************************************************************** RPC request dispatcher **************************************************************************/ - -static void -NfsSend (void) +static void nfs_send(void) { -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); - switch (NfsState) { + switch (nfs_state) { case STATE_PRCLOOKUP_PROG_MOUNT_REQ: - rpc_lookup_req (PROG_MOUNT, 1); + rpc_lookup_req(PROG_MOUNT, 1); break; case STATE_PRCLOOKUP_PROG_NFS_REQ: - rpc_lookup_req (PROG_NFS, 2); + rpc_lookup_req(PROG_NFS, 2); break; case STATE_MOUNT_REQ: - nfs_mount_req (nfs_path); + nfs_mount_req(nfs_path); break; case STATE_UMOUNT_REQ: - nfs_umountall_req (); + nfs_umountall_req(); break; case STATE_LOOKUP_REQ: - nfs_lookup_req (nfs_filename); + nfs_lookup_req(nfs_filename); break; case STATE_READ_REQ: - nfs_read_req (nfs_offset, nfs_len); + nfs_read_req(nfs_offset, NFS_READ_SIZE); break; case STATE_READLINK_REQ: - nfs_readlink_req (); + nfs_readlink_req(); break; } -} -/************************************************************************** -Handlers for the reply from server -**************************************************************************/ + nfs_timer_start = get_time_ns(); +} -static int -rpc_lookup_reply (int prog, uchar *pkt, unsigned len) +static int rpc_check_reply(unsigned char *pkt, int isnfs) { - struct rpc_t rpc_pkt; - - memcpy ((unsigned char *)&rpc_pkt, pkt, len); + uint32_t *data; + int nfserr; + struct rpc_reply rpc; -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + memcpy(&rpc, pkt, sizeof(rpc)); - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + if (ntohl(rpc.id) != rpc_id) + return -EINVAL; - if (rpc_pkt.u.reply.rstatus || - rpc_pkt.u.reply.verifier || - rpc_pkt.u.reply.astatus || - rpc_pkt.u.reply.astatus) { - return -1; + if (rpc.rstatus || + rpc.verifier || + rpc.astatus ) { + return -EINVAL; } + if (!isnfs) + return 0; + + data = (uint32_t *)(pkt + sizeof(struct rpc_reply)); + nfserr = ntohl(net_read_uint32(data)); + + debug("%s: state: %d, err %d\n", __func__, nfs_state, -nfserr); + + if (nfserr <= 30) + /* These nfs codes correspond with those in errno.h */ + return -nfserr; + if (nfserr == NFSERR_STALE) + return -ESTALE; + + return -EINVAL; +} + +static int rpc_lookup_reply(int prog, unsigned char *pkt, unsigned len) +{ + uint32_t port; + int ret; + + ret = rpc_check_reply(pkt, 0); + if (ret) + return ret; + + port = net_read_uint32((uint32_t *)(pkt + sizeof(struct rpc_reply))); switch (prog) { case PROG_MOUNT: - NfsSrvMountPort = ntohl(rpc_pkt.u.reply.data[0]); + nfs_server_mount_port = ntohl(port); break; case PROG_NFS: - NfsSrvNfsPort = ntohl(rpc_pkt.u.reply.data[0]); + nfs_server_nfs_port = ntohl(port); break; } return 0; } -static int -nfs_mount_reply (uchar *pkt, unsigned len) +static int nfs_mount_reply(unsigned char *pkt, unsigned len) { - struct rpc_t rpc_pkt; - -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif - - memcpy ((unsigned char *)&rpc_pkt, pkt, len); - - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + int ret; - if (rpc_pkt.u.reply.rstatus || - rpc_pkt.u.reply.verifier || - rpc_pkt.u.reply.astatus || - rpc_pkt.u.reply.data[0]) { - return -1; - } + ret = rpc_check_reply(pkt, 1); + if (ret) + return ret; - fs_mounted = 1; - memcpy (dirfh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); + memcpy(dirfh, pkt + sizeof(struct rpc_reply) + 4, NFS_FHSIZE); return 0; } -static int -nfs_umountall_reply (uchar *pkt, unsigned len) +static int nfs_umountall_reply(unsigned char *pkt, unsigned len) { - struct rpc_t rpc_pkt; - -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif - - memcpy ((unsigned char *)&rpc_pkt, pkt, len); - - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + int ret; - if (rpc_pkt.u.reply.rstatus || - rpc_pkt.u.reply.verifier || - rpc_pkt.u.reply.astatus) { - return -1; - } + ret = rpc_check_reply(pkt, 0); + if (ret) + return ret; - fs_mounted = 0; - memset (dirfh, 0, sizeof(dirfh)); + memset(dirfh, 0, sizeof(dirfh)); return 0; } -static int -nfs_lookup_reply (uchar *pkt, unsigned len) +static int nfs_lookup_reply(unsigned char *pkt, unsigned len) { - struct rpc_t rpc_pkt; - -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif - - memcpy ((unsigned char *)&rpc_pkt, pkt, len); - - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + int ret; - if (rpc_pkt.u.reply.rstatus || - rpc_pkt.u.reply.verifier || - rpc_pkt.u.reply.astatus || - rpc_pkt.u.reply.data[0]) { - return -1; - } + ret = rpc_check_reply(pkt, 1); + if (ret) + return ret; - memcpy (filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); + memcpy(filefh, pkt + sizeof(struct rpc_reply) + 4, NFS_FHSIZE); return 0; } -static int -nfs_readlink_reply (uchar *pkt, unsigned len) +static int nfs_readlink_reply(unsigned char *pkt, unsigned len) { - struct rpc_t rpc_pkt; + uint32_t *data; + char *path; int rlen; + int ret; -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + ret = rpc_check_reply(pkt, 1); + if (ret) + return ret; - memcpy ((unsigned char *)&rpc_pkt, pkt, len); + data = (uint32_t *)(pkt + sizeof(struct rpc_reply)); - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + data++; - if (rpc_pkt.u.reply.rstatus || - rpc_pkt.u.reply.verifier || - rpc_pkt.u.reply.astatus || - rpc_pkt.u.reply.data[0]) { - return -1; - } + rlen = ntohl(net_read_uint32(data)); /* new path length */ - rlen = ntohl (rpc_pkt.u.reply.data[1]); /* new path length */ + data++; + path = (char *)data; - if (*((char *)&(rpc_pkt.u.reply.data[2])) != '/') { - int pathlen; - strcat (nfs_path, "/"); - pathlen = strlen(nfs_path); - memcpy (nfs_path+pathlen, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); - nfs_path[pathlen+rlen+1] = 0; + if (*path != '/') { + strcat(nfs_path, "/"); + strncat(nfs_path, path, rlen); } else { - memcpy (nfs_path, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); + memcpy(nfs_path, path, rlen); nfs_path[rlen] = 0; } return 0; } -static int -nfs_read_reply (uchar *pkt, unsigned len) +static int nfs_read_reply(unsigned char *pkt, unsigned len) { - struct rpc_t rpc_pkt; int rlen; + uint32_t *data; + int ret; -#ifdef NFS_DEBUG_nop - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); - memcpy ((uchar *)&rpc_pkt, pkt, sizeof(rpc_pkt.u.reply)); + ret = rpc_check_reply(pkt, 1); + if (ret) + return ret; - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + data = (uint32_t *)(pkt + sizeof(struct rpc_reply)); - if (rpc_pkt.u.reply.rstatus || - rpc_pkt.u.reply.verifier || - rpc_pkt.u.reply.astatus || - rpc_pkt.u.reply.data[0]) { - if (rpc_pkt.u.reply.rstatus) { - return -9999; - } - if (rpc_pkt.u.reply.astatus) { - return -9999; - } - return -ntohl(rpc_pkt.u.reply.data[0]);; + if (!nfs_offset) { + uint32_t filesize = ntohl(net_read_uint32(data + 6)); + init_progression_bar(filesize); } - if ((nfs_offset!=0) && !((nfs_offset) % (NFS_READ_SIZE/2*10*HASHES_PER_LINE))) { - puts ("\n\t "); - } - if (!(nfs_offset % ((NFS_READ_SIZE/2)*10))) { - putchar ('#'); - } + rlen = ntohl(net_read_uint32(data + 18)); - rlen = ntohl(rpc_pkt.u.reply.data[18]); - if ( store_block ((uchar *)pkt+sizeof(rpc_pkt.u.reply), nfs_offset, rlen) ) - return -9999; + ret = write(net_store_fd, (char *)(data + 19), rlen); + if (ret < 0) { + perror("write"); + return ret; + } return rlen; } @@ -545,170 +562,114 @@ nfs_read_reply (uchar *pkt, unsigned len) Interfaces of barebox **************************************************************************/ -static void -NfsTimeout (void) -{ - puts ("Timeout\n"); - NetState = NETLOOP_FAIL; - return; -} - -static void -NfsHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) +static void nfs_handler(char *packet, unsigned len) { - int rlen; - -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + char *pkt = net_eth_to_udp_payload(packet); + int ret; - if (dest != NfsOurPort) return; + debug("%s\n", __func__); - switch (NfsState) { + switch (nfs_state) { case STATE_PRCLOOKUP_PROG_MOUNT_REQ: - rpc_lookup_reply (PROG_MOUNT, pkt, len); - NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ; - NfsSend (); + ret = rpc_lookup_reply(PROG_MOUNT, pkt, len); + if (ret) + goto err_out; + nfs_state = STATE_PRCLOOKUP_PROG_NFS_REQ; break; case STATE_PRCLOOKUP_PROG_NFS_REQ: - rpc_lookup_reply (PROG_NFS, pkt, len); - NfsState = STATE_MOUNT_REQ; - NfsSend (); + ret = rpc_lookup_reply(PROG_NFS, pkt, len); + if (ret) + goto err_out; + nfs_state = STATE_MOUNT_REQ; break; case STATE_MOUNT_REQ: - if (nfs_mount_reply(pkt, len)) { - puts ("*** ERROR: Cannot mount\n"); - /* just to be sure... */ - NfsState = STATE_UMOUNT_REQ; - NfsSend (); - } else { - NfsState = STATE_LOOKUP_REQ; - NfsSend (); - } + ret = nfs_mount_reply(pkt, len); + if (ret) + goto err_out; + + nfs_state = STATE_LOOKUP_REQ; break; case STATE_UMOUNT_REQ: - if (nfs_umountall_reply(pkt, len)) { - puts ("*** ERROR: Cannot umount\n"); - NetState = NETLOOP_FAIL; - } else { - puts ("\ndone\n"); - NetState = NfsDownloadState; - } - break; + ret = nfs_umountall_reply(pkt, len); + if (ret) + nfs_err = ret; + nfs_state = STATE_DONE; + return; case STATE_LOOKUP_REQ: - if (nfs_lookup_reply(pkt, len)) { - puts ("*** ERROR: File lookup fail\n"); - NfsState = STATE_UMOUNT_REQ; - NfsSend (); - } else { - NfsState = STATE_READ_REQ; - nfs_offset = 0; - nfs_len = NFS_READ_SIZE; - NfsSend (); - } + ret = nfs_lookup_reply(pkt, len); + if (ret) + goto err_umount; + + nfs_state = STATE_READ_REQ; + nfs_offset = 0; break; case STATE_READLINK_REQ: - if (nfs_readlink_reply(pkt, len)) { - puts ("*** ERROR: Symlink fail\n"); - NfsState = STATE_UMOUNT_REQ; - NfsSend (); - } else { -#ifdef NFS_DEBUG - printf ("Symlink --> %s\n", nfs_path); -#endif - nfs_filename = basename (nfs_path); - nfs_path = dirname (nfs_path); - - NfsState = STATE_MOUNT_REQ; - NfsSend (); - } + ret = nfs_readlink_reply(pkt, len); + if (ret) + goto err_umount; + + debug("Symlink --> %s\n", nfs_path); + + nfs_filename = basename(nfs_path); + nfs_path = dirname(nfs_path); + + nfs_state = STATE_MOUNT_REQ; break; case STATE_READ_REQ: - rlen = nfs_read_reply (pkt, len); - NetSetTimeout (NFS_TIMEOUT * SECOND, NfsTimeout); - if (rlen > 0) { - nfs_offset += rlen; - NfsSend (); - } - else if ((rlen == -NFSERR_ISDIR)||(rlen == -NFSERR_INVAL)) { + ret = nfs_read_reply(pkt, len); + nfs_timer_start = get_time_ns(); + if (ret > 0) + nfs_offset += ret; + else if (ret == -EISDIR || ret == -EINVAL) /* symbolic link */ - NfsState = STATE_READLINK_REQ; - NfsSend (); - } else { - if ( ! rlen ) NfsDownloadState = NETLOOP_SUCCESS; - NfsState = STATE_UMOUNT_REQ; - NfsSend (); - } + nfs_state = STATE_READLINK_REQ; + else + goto err_umount; + show_progress(nfs_offset); break; } -} + nfs_send(); + + return; + +err_umount: + nfs_state = STATE_UMOUNT_REQ; + nfs_err = ret; + nfs_send(); + return; + +err_out: + nfs_state = STATE_DONE; + nfs_err = ret; +} -void -NfsStart (char *p) +static void nfs_start(char *p) { -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif - NfsDownloadState = NETLOOP_FAIL; + debug("%s\n", __func__); - NfsServerIP = NetServerIP; nfs_path = (char *)nfs_path_buff; - if (nfs_path == NULL) { - NetState = NETLOOP_FAIL; - puts ("*** ERROR: Fail allocate memory\n"); - return; - } - - strcpy (nfs_path, p); + strcpy(nfs_path, p); nfs_filename = basename (nfs_path); nfs_path = dirname (nfs_path); -#if defined(CONFIG_NET_MULTI) - printf ("Using %s device\n", eth_get_name()); -#endif - - puts ("File transfer via NFS from server "); print_IPaddr (NfsServerIP); - puts ("; our IP address is "); print_IPaddr (NetOurIP); - - /* Check if we need to send across this subnet */ - if (NetOurGatewayIP && NetOurSubnetMask) { - IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; - IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask; + printf("\nFilename '%s/%s'.\n", nfs_path, nfs_filename); - if (OurNet != ServerNet) { - puts ("; sending through gateway "); - print_IPaddr (NetOurGatewayIP) ; - } - } - printf ("\nFilename '%s/%s'.", nfs_path, nfs_filename); - - NetSetTimeout (NFS_TIMEOUT * SECOND, NfsTimeout); - NetSetHandler (NfsHandler); - - NfsTimeoutCount = 0; - NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ; + nfs_state = STATE_PRCLOOKUP_PROG_MOUNT_REQ; - /*FIX ME !!!*/ - NfsOurPort = 1000; - - /* zero out server ether in case the server ip has changed */ - memset (NetServerEther, 0, 6); - - NfsSend (); + nfs_send(); } static int do_nfs(struct command *cmdtp, int argc, char *argv[]) { - int rcode = 0; char *localfile; char *remotefile; @@ -728,23 +689,40 @@ static int do_nfs(struct command *cmdtp, int argc, char *argv[]) return 1; } - if (NetLoopInit(NFS) < 0) - goto out; + nfs_con = net_udp_new(net_get_serverip(), 0, nfs_handler); + if (IS_ERR(nfs_con)) { + nfs_err = PTR_ERR(nfs_con); + goto err_udp; + } + net_udp_bind(nfs_con, 1000); + + nfs_err = 0; - NfsStart(remotefile); + nfs_start(remotefile); - rcode = NetLoop(); - if (rcode < 0) { - rcode = 1; - goto out; + while (nfs_state != STATE_DONE) { + if (ctrlc()) { + nfs_err = -EINTR; + break; + } + net_poll(); + if (is_timeout(nfs_timer_start, NFS_TIMEOUT * SECOND)) { + show_progress(-1); + nfs_send(); + } } - /* NetLoop ok, update environment */ - netboot_update_env(); - -out: + net_unregister(nfs_con); +err_udp: close(net_store_fd); - return rcode; + if (nfs_err) { + printf("NFS failed: %s\n", strerror(-nfs_err)); + unlink(localfile); + } + + printf("\n"); + + return nfs_err == 0 ? 0 : 1; } static const __maybe_unused char cmd_nfs_help[] = |