1 /* 2 * NFS support driver - based on etherboot and U-BOOT's tftp.c 3 * 4 * Masami Komiya <mkomiya@sonare.it> 2004 5 * 6 */ 7 8 /* NOTE: the NFS code is heavily inspired by the NetBSD netboot code (read: 9 * large portions are copied verbatim) as distributed in OSKit 0.97. A few 10 * changes were necessary to adapt the code to Etherboot and to fix several 11 * inconsistencies. Also the RPC message preparation is done "by hand" to 12 * avoid adding netsprintf() which I find hard to understand and use. */ 13 14 /* NOTE 2: Etherboot does not care about things beyond the kernel image, so 15 * it loads the kernel image off the boot server (ARP_SERVER) and does not 16 * access the client root disk (root-path in dhcpd.conf), which would use 17 * ARP_ROOTSERVER. The root disk is something the operating system we are 18 * about to load needs to use. This is different from the OSKit 0.97 logic. */ 19 20 /* NOTE 3: Symlink handling introduced by Anselm M Hoffmeister, 2003-July-14 21 * If a symlink is encountered, it is followed as far as possible (recursion 22 * possible, maximum 16 steps). There is no clearing of ".."'s inside the 23 * path, so please DON'T DO THAT. thx. */ 24 25 #include <common.h> 26 #include <command.h> 27 #include <net.h> 28 #include <malloc.h> 29 #include "nfs.h" 30 #include "bootp.h" 31 32 /*#define NFS_DEBUG*/ 33 34 #if ((CONFIG_COMMANDS & CFG_CMD_NET) && (CONFIG_COMMANDS & CFG_CMD_NFS)) 35 36 #define HASHES_PER_LINE 65 /* Number of "loading" hashes per line */ 37 #define NFS_TIMEOUT 10 38 39 static int fs_mounted = 0; 40 static unsigned long rpc_id; 41 static int nfs_offset = -1; 42 static int nfs_len; 43 44 static char dirfh[NFS_FHSIZE]; /* file handle of directory */ 45 static char filefh[NFS_FHSIZE]; /* file handle of kernel image */ 46 47 static IPaddr_t NfsServerIP; 48 static int NfsSrvMountPort; 49 static int NfsSrvNfsPort; 50 static int NfsOurPort; 51 static int NfsTimeoutCount; 52 static int NfsState; 53 #define STATE_PRCLOOKUP_PROG_MOUNT_REQ 1 54 #define STATE_PRCLOOKUP_PROG_NFS_REQ 2 55 #define STATE_MOUNT_REQ 3 56 #define STATE_UMOUNT_REQ 4 57 #define STATE_LOOKUP_REQ 5 58 #define STATE_READ_REQ 6 59 #define STATE_READLINK_REQ 7 60 61 static char default_filename[64]; 62 static char *nfs_filename; 63 static char *nfs_path; 64 static char nfs_path_buff[2048]; 65 66 static __inline__ void 67 store_block (uchar * src, unsigned offset, unsigned len) 68 { 69 ulong newsize = offset + len; 70 #ifdef CFG_DIRECT_FLASH_NFS 71 int i, rc = 0; 72 73 for (i=0; i<CFG_MAX_FLASH_BANKS; i++) { 74 /* start address in flash? */ 75 if (load_addr + offset >= flash_info[i].start[0]) { 76 rc = 1; 77 break; 78 } 79 } 80 81 if (rc) { /* Flash is destination for this packet */ 82 rc = flash_write ((uchar *)src, (ulong)(load_addr+offset), len); 83 if (rc) { 84 flash_perror (rc); 85 NetState = NETLOOP_FAIL; 86 return; 87 } 88 } else 89 #endif /* CFG_DIRECT_FLASH_NFS */ 90 { 91 (void)memcpy ((void *)(load_addr + offset), src, len); 92 } 93 94 if (NetBootFileXferSize < (offset+len)) 95 NetBootFileXferSize = newsize; 96 } 97 98 static char* 99 basename (char *path) 100 { 101 char *fname; 102 103 fname = path + strlen(path) - 1; 104 while (fname >= path) { 105 if (*fname == '/') { 106 fname++; 107 break; 108 } 109 fname--; 110 } 111 return fname; 112 } 113 114 static char* 115 dirname (char *path) 116 { 117 char *fname; 118 119 fname = basename (path); 120 --fname; 121 *fname = '\0'; 122 return path; 123 } 124 125 /************************************************************************** 126 RPC_INIT - set up the ID counter to something fairly random 127 **************************************************************************/ 128 static void 129 rpc_init (void) 130 { 131 unsigned long t; 132 t=get_ticks(); 133 rpc_id = t ^ (t << 8) ^ (t << 16); 134 } 135 136 /************************************************************************** 137 RPC_ADD_CREDENTIALS - Add RPC authentication/verifier entries 138 **************************************************************************/ 139 static long *rpc_add_credentials (long *p) 140 { 141 int hl; 142 int hostnamelen; 143 char hostname[256]; 144 145 strcpy (hostname, ""); 146 hostnamelen=strlen (hostname); 147 148 /* Here's the executive summary on authentication requirements of the 149 * various NFS server implementations: Linux accepts both AUTH_NONE 150 * and AUTH_UNIX authentication (also accepts an empty hostname field 151 * in the AUTH_UNIX scheme). *BSD refuses AUTH_NONE, but accepts 152 * AUTH_UNIX (also accepts an empty hostname field in the AUTH_UNIX 153 * scheme). To be safe, use AUTH_UNIX and pass the hostname if we have 154 * it (if the BOOTP/DHCP reply didn't give one, just use an empty 155 * hostname). */ 156 157 hl = (hostnamelen + 3) & ~3; 158 159 /* Provide an AUTH_UNIX credential. */ 160 *p++ = htonl(1); /* AUTH_UNIX */ 161 *p++ = htonl(hl+20); /* auth length */ 162 *p++ = htonl(0); /* stamp */ 163 *p++ = htonl(hostnamelen); /* hostname string */ 164 if (hostnamelen & 3) { 165 *(p + hostnamelen / 4) = 0; /* add zero padding */ 166 } 167 memcpy (p, hostname, hostnamelen); 168 p += hl / 4; 169 *p++ = 0; /* uid */ 170 *p++ = 0; /* gid */ 171 *p++ = 0; /* auxiliary gid list */ 172 173 /* Provide an AUTH_NONE verifier. */ 174 *p++ = 0; /* AUTH_NONE */ 175 *p++ = 0; /* auth length */ 176 177 return p; 178 } 179 180 /************************************************************************** 181 RPC_LOOKUP - Lookup RPC Port numbers 182 **************************************************************************/ 183 static void 184 rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) 185 { 186 struct rpc_t pkt; 187 unsigned long id; 188 uint32_t *p; 189 int pktlen; 190 int sport; 191 192 id = rpc_id++; 193 pkt.u.call.id = htonl(id); 194 pkt.u.call.type = htonl(MSG_CALL); 195 pkt.u.call.rpcvers = htonl(2); /* use RPC version 2 */ 196 pkt.u.call.prog = htonl(rpc_prog); 197 pkt.u.call.vers = htonl(2); /* portmapper is version 2 */ 198 pkt.u.call.proc = htonl(rpc_proc); 199 p = (uint32_t *)&(pkt.u.call.data); 200 201 if (datalen) 202 memcpy ((char *)p, (char *)data, datalen*sizeof(uint32_t)); 203 204 pktlen = (char *)p + datalen*sizeof(uint32_t) - (char *)&pkt; 205 206 memcpy ((char *)NetTxPacket+ETHER_HDR_SIZE+IP_HDR_SIZE, (char *)&pkt, pktlen); 207 208 if (rpc_prog == PROG_PORTMAP) 209 sport = SUNRPC_PORT; 210 else if (rpc_prog == PROG_MOUNT) 211 sport = NfsSrvMountPort; 212 else 213 sport = NfsSrvNfsPort; 214 215 NetSendUDPPacket (NetServerEther, NfsServerIP, sport, NfsOurPort, pktlen); 216 } 217 218 /************************************************************************** 219 RPC_LOOKUP - Lookup RPC Port numbers 220 **************************************************************************/ 221 static void 222 rpc_lookup_req (int prog, int ver) 223 { 224 uint32_t data[16]; 225 226 data[0] = 0; data[1] = 0; /* auth credential */ 227 data[2] = 0; data[3] = 0; /* auth verifier */ 228 data[4] = htonl(prog); 229 data[5] = htonl(ver); 230 data[6] = htonl(17); /* IP_UDP */ 231 data[7] = 0; 232 233 rpc_req (PROG_PORTMAP, PORTMAP_GETPORT, data, 8); 234 } 235 236 /************************************************************************** 237 NFS_MOUNT - Mount an NFS Filesystem 238 **************************************************************************/ 239 static void 240 nfs_mount_req (char *path) 241 { 242 uint32_t data[1024]; 243 uint32_t *p; 244 int len; 245 int pathlen; 246 247 pathlen = strlen (path); 248 249 p = &(data[0]); 250 p = (uint32_t *)rpc_add_credentials((long *)p); 251 252 *p++ = htonl(pathlen); 253 if (pathlen & 3) *(p + pathlen / 4) = 0; 254 memcpy (p, path, pathlen); 255 p += (pathlen + 3) / 4; 256 257 len = (uint32_t *)p - (uint32_t *)&(data[0]); 258 259 rpc_req (PROG_MOUNT, MOUNT_ADDENTRY, data, len); 260 } 261 262 /************************************************************************** 263 NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server 264 **************************************************************************/ 265 static void 266 nfs_umountall_req (void) 267 { 268 uint32_t data[1024]; 269 uint32_t *p; 270 int len; 271 272 if ((NfsSrvMountPort == -1) || (!fs_mounted)) { 273 /* Nothing mounted, nothing to umount */ 274 return; 275 } 276 277 p = &(data[0]); 278 p = (uint32_t *)rpc_add_credentials ((long *)p); 279 280 len = (uint32_t *)p - (uint32_t *)&(data[0]); 281 282 rpc_req (PROG_MOUNT, MOUNT_UMOUNTALL, data, len); 283 } 284 285 /*************************************************************************** 286 * NFS_READLINK (AH 2003-07-14) 287 * This procedure is called when read of the first block fails - 288 * this probably happens when it's a directory or a symlink 289 * In case of successful readlink(), the dirname is manipulated, 290 * so that inside the nfs() function a recursion can be done. 291 **************************************************************************/ 292 static void 293 nfs_readlink_req (void) 294 { 295 uint32_t data[1024]; 296 uint32_t *p; 297 int len; 298 299 p = &(data[0]); 300 p = (uint32_t *)rpc_add_credentials ((long *)p); 301 302 memcpy (p, filefh, NFS_FHSIZE); 303 p += (NFS_FHSIZE / 4); 304 305 len = (uint32_t *)p - (uint32_t *)&(data[0]); 306 307 rpc_req (PROG_NFS, NFS_READLINK, data, len); 308 } 309 310 /************************************************************************** 311 NFS_LOOKUP - Lookup Pathname 312 **************************************************************************/ 313 static void 314 nfs_lookup_req (char *fname) 315 { 316 uint32_t data[1024]; 317 uint32_t *p; 318 int len; 319 int fnamelen; 320 321 fnamelen = strlen (fname); 322 323 p = &(data[0]); 324 p = (uint32_t *)rpc_add_credentials ((long *)p); 325 326 memcpy (p, dirfh, NFS_FHSIZE); 327 p += (NFS_FHSIZE / 4); 328 *p++ = htonl(fnamelen); 329 if (fnamelen & 3) *(p + fnamelen / 4) = 0; 330 memcpy (p, fname, fnamelen); 331 p += (fnamelen + 3) / 4; 332 333 len = (uint32_t *)p - (uint32_t *)&(data[0]); 334 335 rpc_req (PROG_NFS, NFS_LOOKUP, data, len); 336 } 337 338 /************************************************************************** 339 NFS_READ - Read File on NFS Server 340 **************************************************************************/ 341 static void 342 nfs_read_req (int offset, int readlen) 343 { 344 uint32_t data[1024]; 345 uint32_t *p; 346 int len; 347 348 p = &(data[0]); 349 p = (uint32_t *)rpc_add_credentials ((long *)p); 350 351 memcpy (p, filefh, NFS_FHSIZE); 352 p += (NFS_FHSIZE / 4); 353 *p++ = htonl(offset); 354 *p++ = htonl(readlen); 355 *p++ = 0; 356 357 len = (uint32_t *)p - (uint32_t *)&(data[0]); 358 359 rpc_req (PROG_NFS, NFS_READ, data, len); 360 } 361 362 /************************************************************************** 363 RPC request dispatcher 364 **************************************************************************/ 365 366 static void 367 NfsSend (void) 368 { 369 #ifdef NFS_DEBUG 370 printf ("%s\n", __FUNCTION__); 371 #endif 372 373 switch (NfsState) { 374 case STATE_PRCLOOKUP_PROG_MOUNT_REQ: 375 rpc_lookup_req (PROG_MOUNT, 1); 376 break; 377 case STATE_PRCLOOKUP_PROG_NFS_REQ: 378 rpc_lookup_req (PROG_NFS, 2); 379 break; 380 case STATE_MOUNT_REQ: 381 nfs_mount_req (nfs_path); 382 break; 383 case STATE_UMOUNT_REQ: 384 nfs_umountall_req (); 385 break; 386 case STATE_LOOKUP_REQ: 387 nfs_lookup_req (nfs_filename); 388 break; 389 case STATE_READ_REQ: 390 nfs_read_req (nfs_offset, nfs_len); 391 break; 392 case STATE_READLINK_REQ: 393 nfs_readlink_req (); 394 break; 395 } 396 } 397 398 /************************************************************************** 399 Handlers for the reply from server 400 **************************************************************************/ 401 402 static int 403 rpc_lookup_reply (int prog, uchar *pkt, unsigned len) 404 { 405 struct rpc_t rpc_pkt; 406 407 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 408 409 #ifdef NFS_DEBUG 410 printf ("%s\n", __FUNCTION__); 411 #endif 412 413 if (rpc_pkt.u.reply.rstatus || 414 rpc_pkt.u.reply.verifier || 415 rpc_pkt.u.reply.astatus || 416 rpc_pkt.u.reply.astatus) { 417 } 418 419 switch (prog) { 420 case PROG_MOUNT: 421 NfsSrvMountPort = ntohl(rpc_pkt.u.reply.data[0]); 422 break; 423 case PROG_NFS: 424 NfsSrvNfsPort = ntohl(rpc_pkt.u.reply.data[0]); 425 break; 426 } 427 428 return 0; 429 } 430 431 static int 432 nfs_mount_reply (uchar *pkt, unsigned len) 433 { 434 struct rpc_t rpc_pkt; 435 436 #ifdef NFS_DEBUG 437 printf ("%s\n", __FUNCTION__); 438 #endif 439 440 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 441 442 if (rpc_pkt.u.reply.rstatus || 443 rpc_pkt.u.reply.verifier || 444 rpc_pkt.u.reply.astatus || 445 rpc_pkt.u.reply.data[0]) { 446 return -1; 447 } 448 449 fs_mounted = 1; 450 memcpy (dirfh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); 451 452 return 0; 453 } 454 455 static int 456 nfs_umountall_reply (uchar *pkt, unsigned len) 457 { 458 struct rpc_t rpc_pkt; 459 460 #ifdef NFS_DEBUG 461 printf ("%s\n", __FUNCTION__); 462 #endif 463 464 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 465 466 if (rpc_pkt.u.reply.rstatus || 467 rpc_pkt.u.reply.verifier || 468 rpc_pkt.u.reply.astatus) { 469 return -1; 470 } 471 472 fs_mounted = 0; 473 memset (dirfh, 0, sizeof(dirfh)); 474 475 return 0; 476 } 477 478 static int 479 nfs_lookup_reply (uchar *pkt, unsigned len) 480 { 481 struct rpc_t rpc_pkt; 482 483 #ifdef NFS_DEBUG 484 printf ("%s\n", __FUNCTION__); 485 #endif 486 487 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 488 489 if (rpc_pkt.u.reply.rstatus || 490 rpc_pkt.u.reply.verifier || 491 rpc_pkt.u.reply.astatus || 492 rpc_pkt.u.reply.data[0]) { 493 return -1; 494 } 495 496 memcpy (filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); 497 498 return 0; 499 } 500 501 static int 502 nfs_readlink_reply (uchar *pkt, unsigned len) 503 { 504 struct rpc_t rpc_pkt; 505 int rlen; 506 507 #ifdef NFS_DEBUG 508 printf ("%s\n", __FUNCTION__); 509 #endif 510 511 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 512 513 if (rpc_pkt.u.reply.rstatus || 514 rpc_pkt.u.reply.verifier || 515 rpc_pkt.u.reply.astatus || 516 rpc_pkt.u.reply.data[0]) { 517 return -1; 518 } 519 520 rlen = ntohl (rpc_pkt.u.reply.data[1]); /* new path length */ 521 522 if (*((char *)&(rpc_pkt.u.reply.data[2])) != '/') { 523 int pathlen; 524 strcat (nfs_path, "/"); 525 pathlen = strlen(nfs_path); 526 memcpy (nfs_path+pathlen, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); 527 nfs_path[pathlen+rlen+1] = 0; 528 } else { 529 memcpy (nfs_path, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); 530 nfs_path[rlen] = 0; 531 } 532 return 0; 533 } 534 535 static int 536 nfs_read_reply (uchar *pkt, unsigned len) 537 { 538 struct rpc_t rpc_pkt; 539 int rlen; 540 541 #ifdef NFS_DEBUG_nop 542 printf ("%s\n", __FUNCTION__); 543 #endif 544 545 memcpy ((uchar *)&rpc_pkt, pkt, len); 546 547 if (rpc_pkt.u.reply.rstatus || 548 rpc_pkt.u.reply.verifier || 549 rpc_pkt.u.reply.astatus || 550 rpc_pkt.u.reply.data[0]) { 551 if (rpc_pkt.u.reply.rstatus) { 552 return -9999; 553 } 554 if (rpc_pkt.u.reply.astatus) { 555 return -9999; 556 } 557 return -ntohl(rpc_pkt.u.reply.data[0]);; 558 } 559 560 if ((nfs_offset!=0) && !((nfs_offset) % (NFS_READ_SIZE/2*10*HASHES_PER_LINE))) { 561 puts ("\n\t "); 562 } 563 if (!(nfs_offset % ((NFS_READ_SIZE/2)*10))) { 564 putc ('#'); 565 } 566 567 rlen = ntohl(rpc_pkt.u.reply.data[18]); 568 store_block ((uchar *)&(rpc_pkt.u.reply.data[19]), nfs_offset, rlen); 569 570 return rlen; 571 } 572 573 /************************************************************************** 574 Interfaces of U-BOOT 575 **************************************************************************/ 576 577 static void 578 NfsHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) 579 { 580 int rlen; 581 582 #ifdef NFS_DEBUG 583 printf ("%s\n", __FUNCTION__); 584 #endif 585 586 if (dest != NfsOurPort) return; 587 588 switch (NfsState) { 589 case STATE_PRCLOOKUP_PROG_MOUNT_REQ: 590 rpc_lookup_reply (PROG_MOUNT, pkt, len); 591 NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ; 592 NfsSend (); 593 break; 594 595 case STATE_PRCLOOKUP_PROG_NFS_REQ: 596 rpc_lookup_reply (PROG_NFS, pkt, len); 597 NfsState = STATE_MOUNT_REQ; 598 NfsSend (); 599 break; 600 601 case STATE_MOUNT_REQ: 602 if (nfs_mount_reply(pkt, len)) { 603 puts ("*** ERROR: Cannot mount\n"); 604 /* just to be sure... */ 605 NfsState = STATE_UMOUNT_REQ; 606 NfsSend (); 607 } else { 608 NfsState = STATE_LOOKUP_REQ; 609 NfsSend (); 610 } 611 break; 612 613 case STATE_UMOUNT_REQ: 614 if (nfs_umountall_reply(pkt, len)) { 615 puts ("*** ERROR: Cannot umount\n"); 616 NetState = NETLOOP_FAIL; 617 } else { 618 puts ("\ndone\n"); 619 NetState = NETLOOP_SUCCESS; 620 } 621 break; 622 623 case STATE_LOOKUP_REQ: 624 if (nfs_lookup_reply(pkt, len)) { 625 puts ("*** ERROR: File lookup fail\n"); 626 NfsState = STATE_UMOUNT_REQ; 627 NfsSend (); 628 } else { 629 NfsState = STATE_READ_REQ; 630 nfs_offset = 0; 631 nfs_len = NFS_READ_SIZE; 632 NfsSend (); 633 } 634 break; 635 636 case STATE_READLINK_REQ: 637 if (nfs_readlink_reply(pkt, len)) { 638 puts ("*** ERROR: Symlink fail\n"); 639 NfsState = STATE_UMOUNT_REQ; 640 NfsSend (); 641 } else { 642 #ifdef NFS_DEBUG 643 printf ("Symlink --> %s\n", nfs_path); 644 #endif 645 nfs_filename = basename (nfs_path); 646 nfs_path = dirname (nfs_path); 647 648 NfsState = STATE_MOUNT_REQ; 649 NfsSend (); 650 } 651 break; 652 653 case STATE_READ_REQ: 654 rlen = nfs_read_reply (pkt, len); 655 if (rlen > 0) { 656 nfs_offset += rlen; 657 NfsSend (); 658 } 659 else if ((rlen == -NFSERR_ISDIR)||(rlen == -NFSERR_INVAL)) { 660 /* symbolic link */ 661 NfsState = STATE_READLINK_REQ; 662 NfsSend (); 663 } else { 664 NfsState = STATE_UMOUNT_REQ; 665 NfsSend (); 666 } 667 break; 668 } 669 } 670 671 static void 672 NfsTimeout (void) 673 { 674 puts ("Timeout\n"); 675 NetState = NETLOOP_FAIL; 676 return; 677 } 678 679 void 680 NfsStart (void) 681 { 682 #ifdef NFS_DEBUG 683 printf ("%s\n", __FUNCTION__); 684 #endif 685 686 NfsServerIP = NetServerIP; 687 nfs_path = (char *)nfs_path_buff; 688 689 if (nfs_path == NULL) { 690 NetState = NETLOOP_FAIL; 691 puts ("*** ERROR: Fail allocate memory\n"); 692 return; 693 } 694 695 if (BootFile[0] == '\0') { 696 IPaddr_t OurIP = ntohl (NetOurIP); 697 698 sprintf (default_filename, "/nfsroot/%02lX%02lX%02lX%02lX.img", 699 OurIP & 0xFF, 700 (OurIP >> 8) & 0xFF, 701 (OurIP >> 16) & 0xFF, 702 (OurIP >> 24) & 0xFF ); 703 strcpy (nfs_path, default_filename); 704 705 printf ("*** Warning: no boot file name; using '%s'\n", 706 nfs_path); 707 } else { 708 char *p=BootFile; 709 710 p = strchr (p, ':'); 711 712 if (p != NULL) { 713 NfsServerIP = string_to_ip (BootFile); 714 ++p; 715 strcpy (nfs_path, p); 716 } else { 717 strcpy (nfs_path, BootFile); 718 } 719 } 720 721 nfs_filename = basename (nfs_path); 722 nfs_path = dirname (nfs_path); 723 724 #if defined(CONFIG_NET_MULTI) 725 printf ("Using %s device\n", eth_get_name()); 726 #endif 727 728 puts ("File transfer via NFS from server "); print_IPaddr (NfsServerIP); 729 puts ("; our IP address is "); print_IPaddr (NetOurIP); 730 731 /* Check if we need to send across this subnet */ 732 if (NetOurGatewayIP && NetOurSubnetMask) { 733 IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; 734 IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask; 735 736 if (OurNet != ServerNet) { 737 puts ("; sending through gateway "); 738 print_IPaddr (NetOurGatewayIP) ; 739 } 740 } 741 putc ('\n'); 742 743 printf ("Filename '%s/%s'.", nfs_path, nfs_filename); 744 745 if (NetBootFileSize) { 746 printf (" Size is 0x%x Bytes = ", NetBootFileSize<<9); 747 print_size (NetBootFileSize<<9, ""); 748 } 749 putc ('\n'); 750 751 printf ("Load address: 0x%lx\n", load_addr); 752 753 printf ("Loading: *\b"); 754 755 NetSetTimeout (NFS_TIMEOUT * CFG_HZ, NfsTimeout); 756 NetSetHandler (NfsHandler); 757 758 rpc_init (); 759 NfsTimeoutCount = 0; 760 NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ; 761 762 /*NfsOurPort = 4096 + (get_ticks() % 3072);*/ 763 /*FIX ME !!!*/ 764 NfsOurPort = 1000; 765 766 /* zero out server ether in case the server ip has changed */ 767 memset (NetServerEther, 0, 6); 768 769 NfsSend (); 770 } 771 772 #endif /* CONFIG_COMMANDS & CFG_CMD_NFS */ 773