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 #if defined(CONFIG_CMD_NET) && defined(CONFIG_CMD_NFS) 33 34 #define HASHES_PER_LINE 65 /* Number of "loading" hashes per line */ 35 #define NFS_RETRY_COUNT 30 36 #define NFS_TIMEOUT 2000UL 37 38 static int fs_mounted = 0; 39 static unsigned long rpc_id = 0; 40 static int nfs_offset = -1; 41 static int nfs_len; 42 43 static char dirfh[NFS_FHSIZE]; /* file handle of directory */ 44 static char filefh[NFS_FHSIZE]; /* file handle of kernel image */ 45 46 static int NfsDownloadState; 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__ int 67 store_block (uchar * src, unsigned offset, unsigned len) 68 { 69 ulong newsize = offset + len; 70 #ifdef CONFIG_SYS_DIRECT_FLASH_NFS 71 int i, rc = 0; 72 73 for (i=0; i<CONFIG_SYS_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 return -1; 86 } 87 } else 88 #endif /* CONFIG_SYS_DIRECT_FLASH_NFS */ 89 { 90 (void)memcpy ((void *)(load_addr + offset), src, len); 91 } 92 93 if (NetBootFileXferSize < (offset+len)) 94 NetBootFileXferSize = newsize; 95 return 0; 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_ADD_CREDENTIALS - Add RPC authentication/verifier entries 127 **************************************************************************/ 128 static long *rpc_add_credentials (long *p) 129 { 130 int hl; 131 int hostnamelen; 132 char hostname[256]; 133 134 strcpy (hostname, ""); 135 hostnamelen=strlen (hostname); 136 137 /* Here's the executive summary on authentication requirements of the 138 * various NFS server implementations: Linux accepts both AUTH_NONE 139 * and AUTH_UNIX authentication (also accepts an empty hostname field 140 * in the AUTH_UNIX scheme). *BSD refuses AUTH_NONE, but accepts 141 * AUTH_UNIX (also accepts an empty hostname field in the AUTH_UNIX 142 * scheme). To be safe, use AUTH_UNIX and pass the hostname if we have 143 * it (if the BOOTP/DHCP reply didn't give one, just use an empty 144 * hostname). */ 145 146 hl = (hostnamelen + 3) & ~3; 147 148 /* Provide an AUTH_UNIX credential. */ 149 *p++ = htonl(1); /* AUTH_UNIX */ 150 *p++ = htonl(hl+20); /* auth length */ 151 *p++ = htonl(0); /* stamp */ 152 *p++ = htonl(hostnamelen); /* hostname string */ 153 if (hostnamelen & 3) { 154 *(p + hostnamelen / 4) = 0; /* add zero padding */ 155 } 156 memcpy (p, hostname, hostnamelen); 157 p += hl / 4; 158 *p++ = 0; /* uid */ 159 *p++ = 0; /* gid */ 160 *p++ = 0; /* auxiliary gid list */ 161 162 /* Provide an AUTH_NONE verifier. */ 163 *p++ = 0; /* AUTH_NONE */ 164 *p++ = 0; /* auth length */ 165 166 return p; 167 } 168 169 /************************************************************************** 170 RPC_LOOKUP - Lookup RPC Port numbers 171 **************************************************************************/ 172 static void 173 rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) 174 { 175 struct rpc_t pkt; 176 unsigned long id; 177 uint32_t *p; 178 int pktlen; 179 int sport; 180 181 id = ++rpc_id; 182 pkt.u.call.id = htonl(id); 183 pkt.u.call.type = htonl(MSG_CALL); 184 pkt.u.call.rpcvers = htonl(2); /* use RPC version 2 */ 185 pkt.u.call.prog = htonl(rpc_prog); 186 pkt.u.call.vers = htonl(2); /* portmapper is version 2 */ 187 pkt.u.call.proc = htonl(rpc_proc); 188 p = (uint32_t *)&(pkt.u.call.data); 189 190 if (datalen) 191 memcpy ((char *)p, (char *)data, datalen*sizeof(uint32_t)); 192 193 pktlen = (char *)p + datalen*sizeof(uint32_t) - (char *)&pkt; 194 195 memcpy ((char *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE, (char *)&pkt, pktlen); 196 197 if (rpc_prog == PROG_PORTMAP) 198 sport = SUNRPC_PORT; 199 else if (rpc_prog == PROG_MOUNT) 200 sport = NfsSrvMountPort; 201 else 202 sport = NfsSrvNfsPort; 203 204 NetSendUDPPacket (NetServerEther, NfsServerIP, sport, NfsOurPort, pktlen); 205 } 206 207 /************************************************************************** 208 RPC_LOOKUP - Lookup RPC Port numbers 209 **************************************************************************/ 210 static void 211 rpc_lookup_req (int prog, int ver) 212 { 213 uint32_t data[16]; 214 215 data[0] = 0; data[1] = 0; /* auth credential */ 216 data[2] = 0; data[3] = 0; /* auth verifier */ 217 data[4] = htonl(prog); 218 data[5] = htonl(ver); 219 data[6] = htonl(17); /* IP_UDP */ 220 data[7] = 0; 221 222 rpc_req (PROG_PORTMAP, PORTMAP_GETPORT, data, 8); 223 } 224 225 /************************************************************************** 226 NFS_MOUNT - Mount an NFS Filesystem 227 **************************************************************************/ 228 static void 229 nfs_mount_req (char *path) 230 { 231 uint32_t data[1024]; 232 uint32_t *p; 233 int len; 234 int pathlen; 235 236 pathlen = strlen (path); 237 238 p = &(data[0]); 239 p = (uint32_t *)rpc_add_credentials((long *)p); 240 241 *p++ = htonl(pathlen); 242 if (pathlen & 3) *(p + pathlen / 4) = 0; 243 memcpy (p, path, pathlen); 244 p += (pathlen + 3) / 4; 245 246 len = (uint32_t *)p - (uint32_t *)&(data[0]); 247 248 rpc_req (PROG_MOUNT, MOUNT_ADDENTRY, data, len); 249 } 250 251 /************************************************************************** 252 NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server 253 **************************************************************************/ 254 static void 255 nfs_umountall_req (void) 256 { 257 uint32_t data[1024]; 258 uint32_t *p; 259 int len; 260 261 if ((NfsSrvMountPort == -1) || (!fs_mounted)) { 262 /* Nothing mounted, nothing to umount */ 263 return; 264 } 265 266 p = &(data[0]); 267 p = (uint32_t *)rpc_add_credentials ((long *)p); 268 269 len = (uint32_t *)p - (uint32_t *)&(data[0]); 270 271 rpc_req (PROG_MOUNT, MOUNT_UMOUNTALL, data, len); 272 } 273 274 /*************************************************************************** 275 * NFS_READLINK (AH 2003-07-14) 276 * This procedure is called when read of the first block fails - 277 * this probably happens when it's a directory or a symlink 278 * In case of successful readlink(), the dirname is manipulated, 279 * so that inside the nfs() function a recursion can be done. 280 **************************************************************************/ 281 static void 282 nfs_readlink_req (void) 283 { 284 uint32_t data[1024]; 285 uint32_t *p; 286 int len; 287 288 p = &(data[0]); 289 p = (uint32_t *)rpc_add_credentials ((long *)p); 290 291 memcpy (p, filefh, NFS_FHSIZE); 292 p += (NFS_FHSIZE / 4); 293 294 len = (uint32_t *)p - (uint32_t *)&(data[0]); 295 296 rpc_req (PROG_NFS, NFS_READLINK, data, len); 297 } 298 299 /************************************************************************** 300 NFS_LOOKUP - Lookup Pathname 301 **************************************************************************/ 302 static void 303 nfs_lookup_req (char *fname) 304 { 305 uint32_t data[1024]; 306 uint32_t *p; 307 int len; 308 int fnamelen; 309 310 fnamelen = strlen (fname); 311 312 p = &(data[0]); 313 p = (uint32_t *)rpc_add_credentials ((long *)p); 314 315 memcpy (p, dirfh, NFS_FHSIZE); 316 p += (NFS_FHSIZE / 4); 317 *p++ = htonl(fnamelen); 318 if (fnamelen & 3) *(p + fnamelen / 4) = 0; 319 memcpy (p, fname, fnamelen); 320 p += (fnamelen + 3) / 4; 321 322 len = (uint32_t *)p - (uint32_t *)&(data[0]); 323 324 rpc_req (PROG_NFS, NFS_LOOKUP, data, len); 325 } 326 327 /************************************************************************** 328 NFS_READ - Read File on NFS Server 329 **************************************************************************/ 330 static void 331 nfs_read_req (int offset, int readlen) 332 { 333 uint32_t data[1024]; 334 uint32_t *p; 335 int len; 336 337 p = &(data[0]); 338 p = (uint32_t *)rpc_add_credentials ((long *)p); 339 340 memcpy (p, filefh, NFS_FHSIZE); 341 p += (NFS_FHSIZE / 4); 342 *p++ = htonl(offset); 343 *p++ = htonl(readlen); 344 *p++ = 0; 345 346 len = (uint32_t *)p - (uint32_t *)&(data[0]); 347 348 rpc_req (PROG_NFS, NFS_READ, data, len); 349 } 350 351 /************************************************************************** 352 RPC request dispatcher 353 **************************************************************************/ 354 355 static void 356 NfsSend (void) 357 { 358 debug("%s\n", __func__); 359 360 switch (NfsState) { 361 case STATE_PRCLOOKUP_PROG_MOUNT_REQ: 362 rpc_lookup_req (PROG_MOUNT, 1); 363 break; 364 case STATE_PRCLOOKUP_PROG_NFS_REQ: 365 rpc_lookup_req (PROG_NFS, 2); 366 break; 367 case STATE_MOUNT_REQ: 368 nfs_mount_req (nfs_path); 369 break; 370 case STATE_UMOUNT_REQ: 371 nfs_umountall_req (); 372 break; 373 case STATE_LOOKUP_REQ: 374 nfs_lookup_req (nfs_filename); 375 break; 376 case STATE_READ_REQ: 377 nfs_read_req (nfs_offset, nfs_len); 378 break; 379 case STATE_READLINK_REQ: 380 nfs_readlink_req (); 381 break; 382 } 383 } 384 385 /************************************************************************** 386 Handlers for the reply from server 387 **************************************************************************/ 388 389 static int 390 rpc_lookup_reply (int prog, uchar *pkt, unsigned len) 391 { 392 struct rpc_t rpc_pkt; 393 394 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 395 396 debug("%s\n", __func__); 397 398 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 399 return -1; 400 401 if (rpc_pkt.u.reply.rstatus || 402 rpc_pkt.u.reply.verifier || 403 rpc_pkt.u.reply.astatus) { 404 return -1; 405 } 406 407 switch (prog) { 408 case PROG_MOUNT: 409 NfsSrvMountPort = ntohl(rpc_pkt.u.reply.data[0]); 410 break; 411 case PROG_NFS: 412 NfsSrvNfsPort = ntohl(rpc_pkt.u.reply.data[0]); 413 break; 414 } 415 416 return 0; 417 } 418 419 static int 420 nfs_mount_reply (uchar *pkt, unsigned len) 421 { 422 struct rpc_t rpc_pkt; 423 424 debug("%s\n", __func__); 425 426 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 427 428 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 429 return -1; 430 431 if (rpc_pkt.u.reply.rstatus || 432 rpc_pkt.u.reply.verifier || 433 rpc_pkt.u.reply.astatus || 434 rpc_pkt.u.reply.data[0]) { 435 return -1; 436 } 437 438 fs_mounted = 1; 439 memcpy (dirfh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); 440 441 return 0; 442 } 443 444 static int 445 nfs_umountall_reply (uchar *pkt, unsigned len) 446 { 447 struct rpc_t rpc_pkt; 448 449 debug("%s\n", __func__); 450 451 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 452 453 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 454 return -1; 455 456 if (rpc_pkt.u.reply.rstatus || 457 rpc_pkt.u.reply.verifier || 458 rpc_pkt.u.reply.astatus) { 459 return -1; 460 } 461 462 fs_mounted = 0; 463 memset (dirfh, 0, sizeof(dirfh)); 464 465 return 0; 466 } 467 468 static int 469 nfs_lookup_reply (uchar *pkt, unsigned len) 470 { 471 struct rpc_t rpc_pkt; 472 473 debug("%s\n", __func__); 474 475 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 476 477 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 478 return -1; 479 480 if (rpc_pkt.u.reply.rstatus || 481 rpc_pkt.u.reply.verifier || 482 rpc_pkt.u.reply.astatus || 483 rpc_pkt.u.reply.data[0]) { 484 return -1; 485 } 486 487 memcpy (filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); 488 489 return 0; 490 } 491 492 static int 493 nfs_readlink_reply (uchar *pkt, unsigned len) 494 { 495 struct rpc_t rpc_pkt; 496 int rlen; 497 498 debug("%s\n", __func__); 499 500 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 501 502 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 503 return -1; 504 505 if (rpc_pkt.u.reply.rstatus || 506 rpc_pkt.u.reply.verifier || 507 rpc_pkt.u.reply.astatus || 508 rpc_pkt.u.reply.data[0]) { 509 return -1; 510 } 511 512 rlen = ntohl (rpc_pkt.u.reply.data[1]); /* new path length */ 513 514 if (*((char *)&(rpc_pkt.u.reply.data[2])) != '/') { 515 int pathlen; 516 strcat (nfs_path, "/"); 517 pathlen = strlen(nfs_path); 518 memcpy (nfs_path+pathlen, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); 519 nfs_path[pathlen+rlen+1] = 0; 520 } else { 521 memcpy (nfs_path, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); 522 nfs_path[rlen] = 0; 523 } 524 return 0; 525 } 526 527 static int 528 nfs_read_reply (uchar *pkt, unsigned len) 529 { 530 struct rpc_t rpc_pkt; 531 int rlen; 532 533 debug("%s\n", __func__); 534 535 memcpy ((uchar *)&rpc_pkt, pkt, sizeof(rpc_pkt.u.reply)); 536 537 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 538 return -1; 539 540 if (rpc_pkt.u.reply.rstatus || 541 rpc_pkt.u.reply.verifier || 542 rpc_pkt.u.reply.astatus || 543 rpc_pkt.u.reply.data[0]) { 544 if (rpc_pkt.u.reply.rstatus) { 545 return -9999; 546 } 547 if (rpc_pkt.u.reply.astatus) { 548 return -9999; 549 } 550 return -ntohl(rpc_pkt.u.reply.data[0]);; 551 } 552 553 if ((nfs_offset!=0) && !((nfs_offset) % (NFS_READ_SIZE/2*10*HASHES_PER_LINE))) { 554 puts ("\n\t "); 555 } 556 if (!(nfs_offset % ((NFS_READ_SIZE/2)*10))) { 557 putc ('#'); 558 } 559 560 rlen = ntohl(rpc_pkt.u.reply.data[18]); 561 if ( store_block ((uchar *)pkt+sizeof(rpc_pkt.u.reply), nfs_offset, rlen) ) 562 return -9999; 563 564 return rlen; 565 } 566 567 /************************************************************************** 568 Interfaces of U-BOOT 569 **************************************************************************/ 570 571 static void 572 NfsTimeout (void) 573 { 574 if ( NfsTimeoutCount++ < NFS_RETRY_COUNT ) { 575 NfsSend (); 576 return; 577 } 578 puts ("Timeout\n"); 579 NetState = NETLOOP_FAIL; 580 return; 581 } 582 583 static void 584 NfsHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) 585 { 586 int rlen; 587 588 debug("%s\n", __func__); 589 590 if (dest != NfsOurPort) return; 591 592 switch (NfsState) { 593 case STATE_PRCLOOKUP_PROG_MOUNT_REQ: 594 rpc_lookup_reply (PROG_MOUNT, pkt, len); 595 NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ; 596 NfsSend (); 597 break; 598 599 case STATE_PRCLOOKUP_PROG_NFS_REQ: 600 rpc_lookup_reply (PROG_NFS, pkt, len); 601 NfsState = STATE_MOUNT_REQ; 602 NfsSend (); 603 break; 604 605 case STATE_MOUNT_REQ: 606 if (nfs_mount_reply(pkt, len)) { 607 puts ("*** ERROR: Cannot mount\n"); 608 /* just to be sure... */ 609 NfsState = STATE_UMOUNT_REQ; 610 NfsSend (); 611 } else { 612 NfsState = STATE_LOOKUP_REQ; 613 NfsSend (); 614 } 615 break; 616 617 case STATE_UMOUNT_REQ: 618 if (nfs_umountall_reply(pkt, len)) { 619 puts ("*** ERROR: Cannot umount\n"); 620 NetState = NETLOOP_FAIL; 621 } else { 622 puts ("\ndone\n"); 623 NetState = NfsDownloadState; 624 } 625 break; 626 627 case STATE_LOOKUP_REQ: 628 if (nfs_lookup_reply(pkt, len)) { 629 puts ("*** ERROR: File lookup fail\n"); 630 NfsState = STATE_UMOUNT_REQ; 631 NfsSend (); 632 } else { 633 NfsState = STATE_READ_REQ; 634 nfs_offset = 0; 635 nfs_len = NFS_READ_SIZE; 636 NfsSend (); 637 } 638 break; 639 640 case STATE_READLINK_REQ: 641 if (nfs_readlink_reply(pkt, len)) { 642 puts ("*** ERROR: Symlink fail\n"); 643 NfsState = STATE_UMOUNT_REQ; 644 NfsSend (); 645 } else { 646 debug("Symlink --> %s\n", nfs_path); 647 nfs_filename = basename (nfs_path); 648 nfs_path = dirname (nfs_path); 649 650 NfsState = STATE_MOUNT_REQ; 651 NfsSend (); 652 } 653 break; 654 655 case STATE_READ_REQ: 656 rlen = nfs_read_reply (pkt, len); 657 NetSetTimeout (NFS_TIMEOUT, NfsTimeout); 658 if (rlen > 0) { 659 nfs_offset += rlen; 660 NfsSend (); 661 } 662 else if ((rlen == -NFSERR_ISDIR)||(rlen == -NFSERR_INVAL)) { 663 /* symbolic link */ 664 NfsState = STATE_READLINK_REQ; 665 NfsSend (); 666 } else { 667 if ( ! rlen ) NfsDownloadState = NETLOOP_SUCCESS; 668 NfsState = STATE_UMOUNT_REQ; 669 NfsSend (); 670 } 671 break; 672 } 673 } 674 675 676 void 677 NfsStart (void) 678 { 679 debug("%s\n", __func__); 680 NfsDownloadState = NETLOOP_FAIL; 681 682 NfsServerIP = NetServerIP; 683 nfs_path = (char *)nfs_path_buff; 684 685 if (nfs_path == NULL) { 686 NetState = NETLOOP_FAIL; 687 puts ("*** ERROR: Fail allocate memory\n"); 688 return; 689 } 690 691 if (BootFile[0] == '\0') { 692 sprintf (default_filename, "/nfsroot/%02lX%02lX%02lX%02lX.img", 693 NetOurIP & 0xFF, 694 (NetOurIP >> 8) & 0xFF, 695 (NetOurIP >> 16) & 0xFF, 696 (NetOurIP >> 24) & 0xFF ); 697 strcpy (nfs_path, default_filename); 698 699 printf ("*** Warning: no boot file name; using '%s'\n", 700 nfs_path); 701 } else { 702 char *p=BootFile; 703 704 p = strchr (p, ':'); 705 706 if (p != NULL) { 707 NfsServerIP = string_to_ip (BootFile); 708 ++p; 709 strcpy (nfs_path, p); 710 } else { 711 strcpy (nfs_path, BootFile); 712 } 713 } 714 715 nfs_filename = basename (nfs_path); 716 nfs_path = dirname (nfs_path); 717 718 #if defined(CONFIG_NET_MULTI) 719 printf ("Using %s device\n", eth_get_name()); 720 #endif 721 722 printf("File transfer via NFS from server %pI4" 723 "; our IP address is %pI4", &NfsServerIP, &NetOurIP); 724 725 /* Check if we need to send across this subnet */ 726 if (NetOurGatewayIP && NetOurSubnetMask) { 727 IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; 728 IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask; 729 730 if (OurNet != ServerNet) 731 printf("; sending through gateway %pI4", &NetOurGatewayIP); 732 } 733 printf ("\nFilename '%s/%s'.", nfs_path, nfs_filename); 734 735 if (NetBootFileSize) { 736 printf (" Size is 0x%x Bytes = ", NetBootFileSize<<9); 737 print_size (NetBootFileSize<<9, ""); 738 } 739 printf ("\nLoad address: 0x%lx\n" 740 "Loading: *\b", load_addr); 741 742 NetSetTimeout (NFS_TIMEOUT, NfsTimeout); 743 NetSetHandler (NfsHandler); 744 745 NfsTimeoutCount = 0; 746 NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ; 747 748 /*NfsOurPort = 4096 + (get_ticks() % 3072);*/ 749 /*FIX ME !!!*/ 750 NfsOurPort = 1000; 751 752 /* zero out server ether in case the server ip has changed */ 753 memset (NetServerEther, 0, 6); 754 755 NfsSend (); 756 } 757 758 #endif 759