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 HASHES_PER_LINE 65 /* Number of "loading" hashes per line */ 33 #define NFS_RETRY_COUNT 30 34 #define NFS_TIMEOUT 2000UL 35 36 static int fs_mounted = 0; 37 static unsigned long rpc_id = 0; 38 static int nfs_offset = -1; 39 static int nfs_len; 40 41 static char dirfh[NFS_FHSIZE]; /* file handle of directory */ 42 static char filefh[NFS_FHSIZE]; /* file handle of kernel image */ 43 44 static int NfsDownloadState; 45 static IPaddr_t NfsServerIP; 46 static int NfsSrvMountPort; 47 static int NfsSrvNfsPort; 48 static int NfsOurPort; 49 static int NfsTimeoutCount; 50 static int NfsState; 51 #define STATE_PRCLOOKUP_PROG_MOUNT_REQ 1 52 #define STATE_PRCLOOKUP_PROG_NFS_REQ 2 53 #define STATE_MOUNT_REQ 3 54 #define STATE_UMOUNT_REQ 4 55 #define STATE_LOOKUP_REQ 5 56 #define STATE_READ_REQ 6 57 #define STATE_READLINK_REQ 7 58 59 static char default_filename[64]; 60 static char *nfs_filename; 61 static char *nfs_path; 62 static char nfs_path_buff[2048]; 63 64 static __inline__ int 65 store_block (uchar * src, unsigned offset, unsigned len) 66 { 67 ulong newsize = offset + len; 68 #ifdef CONFIG_SYS_DIRECT_FLASH_NFS 69 int i, rc = 0; 70 71 for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; i++) { 72 /* start address in flash? */ 73 if (load_addr + offset >= flash_info[i].start[0]) { 74 rc = 1; 75 break; 76 } 77 } 78 79 if (rc) { /* Flash is destination for this packet */ 80 rc = flash_write ((uchar *)src, (ulong)(load_addr+offset), len); 81 if (rc) { 82 flash_perror (rc); 83 return -1; 84 } 85 } else 86 #endif /* CONFIG_SYS_DIRECT_FLASH_NFS */ 87 { 88 (void)memcpy ((void *)(load_addr + offset), src, len); 89 } 90 91 if (NetBootFileXferSize < (offset+len)) 92 NetBootFileXferSize = newsize; 93 return 0; 94 } 95 96 static char* 97 basename (char *path) 98 { 99 char *fname; 100 101 fname = path + strlen(path) - 1; 102 while (fname >= path) { 103 if (*fname == '/') { 104 fname++; 105 break; 106 } 107 fname--; 108 } 109 return fname; 110 } 111 112 static char* 113 dirname (char *path) 114 { 115 char *fname; 116 117 fname = basename (path); 118 --fname; 119 *fname = '\0'; 120 return path; 121 } 122 123 /************************************************************************** 124 RPC_ADD_CREDENTIALS - Add RPC authentication/verifier entries 125 **************************************************************************/ 126 static long *rpc_add_credentials (long *p) 127 { 128 int hl; 129 int hostnamelen; 130 char hostname[256]; 131 132 strcpy (hostname, ""); 133 hostnamelen=strlen (hostname); 134 135 /* Here's the executive summary on authentication requirements of the 136 * various NFS server implementations: Linux accepts both AUTH_NONE 137 * and AUTH_UNIX authentication (also accepts an empty hostname field 138 * in the AUTH_UNIX scheme). *BSD refuses AUTH_NONE, but accepts 139 * AUTH_UNIX (also accepts an empty hostname field in the AUTH_UNIX 140 * scheme). To be safe, use AUTH_UNIX and pass the hostname if we have 141 * it (if the BOOTP/DHCP reply didn't give one, just use an empty 142 * hostname). */ 143 144 hl = (hostnamelen + 3) & ~3; 145 146 /* Provide an AUTH_UNIX credential. */ 147 *p++ = htonl(1); /* AUTH_UNIX */ 148 *p++ = htonl(hl+20); /* auth length */ 149 *p++ = htonl(0); /* stamp */ 150 *p++ = htonl(hostnamelen); /* hostname string */ 151 if (hostnamelen & 3) { 152 *(p + hostnamelen / 4) = 0; /* add zero padding */ 153 } 154 memcpy (p, hostname, hostnamelen); 155 p += hl / 4; 156 *p++ = 0; /* uid */ 157 *p++ = 0; /* gid */ 158 *p++ = 0; /* auxiliary gid list */ 159 160 /* Provide an AUTH_NONE verifier. */ 161 *p++ = 0; /* AUTH_NONE */ 162 *p++ = 0; /* auth length */ 163 164 return p; 165 } 166 167 /************************************************************************** 168 RPC_LOOKUP - Lookup RPC Port numbers 169 **************************************************************************/ 170 static void 171 rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) 172 { 173 struct rpc_t pkt; 174 unsigned long id; 175 uint32_t *p; 176 int pktlen; 177 int sport; 178 179 id = ++rpc_id; 180 pkt.u.call.id = htonl(id); 181 pkt.u.call.type = htonl(MSG_CALL); 182 pkt.u.call.rpcvers = htonl(2); /* use RPC version 2 */ 183 pkt.u.call.prog = htonl(rpc_prog); 184 pkt.u.call.vers = htonl(2); /* portmapper is version 2 */ 185 pkt.u.call.proc = htonl(rpc_proc); 186 p = (uint32_t *)&(pkt.u.call.data); 187 188 if (datalen) 189 memcpy ((char *)p, (char *)data, datalen*sizeof(uint32_t)); 190 191 pktlen = (char *)p + datalen*sizeof(uint32_t) - (char *)&pkt; 192 193 memcpy ((char *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE, (char *)&pkt, pktlen); 194 195 if (rpc_prog == PROG_PORTMAP) 196 sport = SUNRPC_PORT; 197 else if (rpc_prog == PROG_MOUNT) 198 sport = NfsSrvMountPort; 199 else 200 sport = NfsSrvNfsPort; 201 202 NetSendUDPPacket (NetServerEther, NfsServerIP, sport, NfsOurPort, pktlen); 203 } 204 205 /************************************************************************** 206 RPC_LOOKUP - Lookup RPC Port numbers 207 **************************************************************************/ 208 static void 209 rpc_lookup_req (int prog, int ver) 210 { 211 uint32_t data[16]; 212 213 data[0] = 0; data[1] = 0; /* auth credential */ 214 data[2] = 0; data[3] = 0; /* auth verifier */ 215 data[4] = htonl(prog); 216 data[5] = htonl(ver); 217 data[6] = htonl(17); /* IP_UDP */ 218 data[7] = 0; 219 220 rpc_req (PROG_PORTMAP, PORTMAP_GETPORT, data, 8); 221 } 222 223 /************************************************************************** 224 NFS_MOUNT - Mount an NFS Filesystem 225 **************************************************************************/ 226 static void 227 nfs_mount_req (char *path) 228 { 229 uint32_t data[1024]; 230 uint32_t *p; 231 int len; 232 int pathlen; 233 234 pathlen = strlen (path); 235 236 p = &(data[0]); 237 p = (uint32_t *)rpc_add_credentials((long *)p); 238 239 *p++ = htonl(pathlen); 240 if (pathlen & 3) *(p + pathlen / 4) = 0; 241 memcpy (p, path, pathlen); 242 p += (pathlen + 3) / 4; 243 244 len = (uint32_t *)p - (uint32_t *)&(data[0]); 245 246 rpc_req (PROG_MOUNT, MOUNT_ADDENTRY, data, len); 247 } 248 249 /************************************************************************** 250 NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server 251 **************************************************************************/ 252 static void 253 nfs_umountall_req (void) 254 { 255 uint32_t data[1024]; 256 uint32_t *p; 257 int len; 258 259 if ((NfsSrvMountPort == -1) || (!fs_mounted)) { 260 /* Nothing mounted, nothing to umount */ 261 return; 262 } 263 264 p = &(data[0]); 265 p = (uint32_t *)rpc_add_credentials ((long *)p); 266 267 len = (uint32_t *)p - (uint32_t *)&(data[0]); 268 269 rpc_req (PROG_MOUNT, MOUNT_UMOUNTALL, data, len); 270 } 271 272 /*************************************************************************** 273 * NFS_READLINK (AH 2003-07-14) 274 * This procedure is called when read of the first block fails - 275 * this probably happens when it's a directory or a symlink 276 * In case of successful readlink(), the dirname is manipulated, 277 * so that inside the nfs() function a recursion can be done. 278 **************************************************************************/ 279 static void 280 nfs_readlink_req (void) 281 { 282 uint32_t data[1024]; 283 uint32_t *p; 284 int len; 285 286 p = &(data[0]); 287 p = (uint32_t *)rpc_add_credentials ((long *)p); 288 289 memcpy (p, filefh, NFS_FHSIZE); 290 p += (NFS_FHSIZE / 4); 291 292 len = (uint32_t *)p - (uint32_t *)&(data[0]); 293 294 rpc_req (PROG_NFS, NFS_READLINK, data, len); 295 } 296 297 /************************************************************************** 298 NFS_LOOKUP - Lookup Pathname 299 **************************************************************************/ 300 static void 301 nfs_lookup_req (char *fname) 302 { 303 uint32_t data[1024]; 304 uint32_t *p; 305 int len; 306 int fnamelen; 307 308 fnamelen = strlen (fname); 309 310 p = &(data[0]); 311 p = (uint32_t *)rpc_add_credentials ((long *)p); 312 313 memcpy (p, dirfh, NFS_FHSIZE); 314 p += (NFS_FHSIZE / 4); 315 *p++ = htonl(fnamelen); 316 if (fnamelen & 3) *(p + fnamelen / 4) = 0; 317 memcpy (p, fname, fnamelen); 318 p += (fnamelen + 3) / 4; 319 320 len = (uint32_t *)p - (uint32_t *)&(data[0]); 321 322 rpc_req (PROG_NFS, NFS_LOOKUP, data, len); 323 } 324 325 /************************************************************************** 326 NFS_READ - Read File on NFS Server 327 **************************************************************************/ 328 static void 329 nfs_read_req (int offset, int readlen) 330 { 331 uint32_t data[1024]; 332 uint32_t *p; 333 int len; 334 335 p = &(data[0]); 336 p = (uint32_t *)rpc_add_credentials ((long *)p); 337 338 memcpy (p, filefh, NFS_FHSIZE); 339 p += (NFS_FHSIZE / 4); 340 *p++ = htonl(offset); 341 *p++ = htonl(readlen); 342 *p++ = 0; 343 344 len = (uint32_t *)p - (uint32_t *)&(data[0]); 345 346 rpc_req (PROG_NFS, NFS_READ, data, len); 347 } 348 349 /************************************************************************** 350 RPC request dispatcher 351 **************************************************************************/ 352 353 static void 354 NfsSend (void) 355 { 356 debug("%s\n", __func__); 357 358 switch (NfsState) { 359 case STATE_PRCLOOKUP_PROG_MOUNT_REQ: 360 rpc_lookup_req (PROG_MOUNT, 1); 361 break; 362 case STATE_PRCLOOKUP_PROG_NFS_REQ: 363 rpc_lookup_req (PROG_NFS, 2); 364 break; 365 case STATE_MOUNT_REQ: 366 nfs_mount_req (nfs_path); 367 break; 368 case STATE_UMOUNT_REQ: 369 nfs_umountall_req (); 370 break; 371 case STATE_LOOKUP_REQ: 372 nfs_lookup_req (nfs_filename); 373 break; 374 case STATE_READ_REQ: 375 nfs_read_req (nfs_offset, nfs_len); 376 break; 377 case STATE_READLINK_REQ: 378 nfs_readlink_req (); 379 break; 380 } 381 } 382 383 /************************************************************************** 384 Handlers for the reply from server 385 **************************************************************************/ 386 387 static int 388 rpc_lookup_reply (int prog, uchar *pkt, unsigned len) 389 { 390 struct rpc_t rpc_pkt; 391 392 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 393 394 debug("%s\n", __func__); 395 396 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 397 return -1; 398 399 if (rpc_pkt.u.reply.rstatus || 400 rpc_pkt.u.reply.verifier || 401 rpc_pkt.u.reply.astatus) { 402 return -1; 403 } 404 405 switch (prog) { 406 case PROG_MOUNT: 407 NfsSrvMountPort = ntohl(rpc_pkt.u.reply.data[0]); 408 break; 409 case PROG_NFS: 410 NfsSrvNfsPort = ntohl(rpc_pkt.u.reply.data[0]); 411 break; 412 } 413 414 return 0; 415 } 416 417 static int 418 nfs_mount_reply (uchar *pkt, unsigned len) 419 { 420 struct rpc_t rpc_pkt; 421 422 debug("%s\n", __func__); 423 424 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 425 426 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 427 return -1; 428 429 if (rpc_pkt.u.reply.rstatus || 430 rpc_pkt.u.reply.verifier || 431 rpc_pkt.u.reply.astatus || 432 rpc_pkt.u.reply.data[0]) { 433 return -1; 434 } 435 436 fs_mounted = 1; 437 memcpy (dirfh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); 438 439 return 0; 440 } 441 442 static int 443 nfs_umountall_reply (uchar *pkt, unsigned len) 444 { 445 struct rpc_t rpc_pkt; 446 447 debug("%s\n", __func__); 448 449 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 450 451 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 452 return -1; 453 454 if (rpc_pkt.u.reply.rstatus || 455 rpc_pkt.u.reply.verifier || 456 rpc_pkt.u.reply.astatus) { 457 return -1; 458 } 459 460 fs_mounted = 0; 461 memset (dirfh, 0, sizeof(dirfh)); 462 463 return 0; 464 } 465 466 static int 467 nfs_lookup_reply (uchar *pkt, unsigned len) 468 { 469 struct rpc_t rpc_pkt; 470 471 debug("%s\n", __func__); 472 473 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 474 475 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 476 return -1; 477 478 if (rpc_pkt.u.reply.rstatus || 479 rpc_pkt.u.reply.verifier || 480 rpc_pkt.u.reply.astatus || 481 rpc_pkt.u.reply.data[0]) { 482 return -1; 483 } 484 485 memcpy (filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); 486 487 return 0; 488 } 489 490 static int 491 nfs_readlink_reply (uchar *pkt, unsigned len) 492 { 493 struct rpc_t rpc_pkt; 494 int rlen; 495 496 debug("%s\n", __func__); 497 498 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 499 500 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 501 return -1; 502 503 if (rpc_pkt.u.reply.rstatus || 504 rpc_pkt.u.reply.verifier || 505 rpc_pkt.u.reply.astatus || 506 rpc_pkt.u.reply.data[0]) { 507 return -1; 508 } 509 510 rlen = ntohl (rpc_pkt.u.reply.data[1]); /* new path length */ 511 512 if (*((char *)&(rpc_pkt.u.reply.data[2])) != '/') { 513 int pathlen; 514 strcat (nfs_path, "/"); 515 pathlen = strlen(nfs_path); 516 memcpy (nfs_path+pathlen, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); 517 nfs_path[pathlen + rlen] = 0; 518 } else { 519 memcpy (nfs_path, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); 520 nfs_path[rlen] = 0; 521 } 522 return 0; 523 } 524 525 static int 526 nfs_read_reply (uchar *pkt, unsigned len) 527 { 528 struct rpc_t rpc_pkt; 529 int rlen; 530 531 debug("%s\n", __func__); 532 533 memcpy ((uchar *)&rpc_pkt, pkt, sizeof(rpc_pkt.u.reply)); 534 535 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 536 return -1; 537 538 if (rpc_pkt.u.reply.rstatus || 539 rpc_pkt.u.reply.verifier || 540 rpc_pkt.u.reply.astatus || 541 rpc_pkt.u.reply.data[0]) { 542 if (rpc_pkt.u.reply.rstatus) { 543 return -9999; 544 } 545 if (rpc_pkt.u.reply.astatus) { 546 return -9999; 547 } 548 return -ntohl(rpc_pkt.u.reply.data[0]);; 549 } 550 551 if ((nfs_offset!=0) && !((nfs_offset) % (NFS_READ_SIZE/2*10*HASHES_PER_LINE))) { 552 puts ("\n\t "); 553 } 554 if (!(nfs_offset % ((NFS_READ_SIZE/2)*10))) { 555 putc ('#'); 556 } 557 558 rlen = ntohl(rpc_pkt.u.reply.data[18]); 559 if ( store_block ((uchar *)pkt+sizeof(rpc_pkt.u.reply), nfs_offset, rlen) ) 560 return -9999; 561 562 return rlen; 563 } 564 565 /************************************************************************** 566 Interfaces of U-BOOT 567 **************************************************************************/ 568 569 static void 570 NfsTimeout (void) 571 { 572 if ( ++NfsTimeoutCount > NFS_RETRY_COUNT ) { 573 puts ("\nRetry count exceeded; starting again\n"); 574 NetStartAgain (); 575 } else { 576 puts("T "); 577 NetSetTimeout (NFS_TIMEOUT, NfsTimeout); 578 NfsSend (); 579 } 580 } 581 582 static void 583 NfsHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, unsigned len) 584 { 585 int rlen; 586 587 debug("%s\n", __func__); 588 589 if (dest != NfsOurPort) return; 590 591 switch (NfsState) { 592 case STATE_PRCLOOKUP_PROG_MOUNT_REQ: 593 rpc_lookup_reply (PROG_MOUNT, pkt, len); 594 NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ; 595 NfsSend (); 596 break; 597 598 case STATE_PRCLOOKUP_PROG_NFS_REQ: 599 rpc_lookup_reply (PROG_NFS, pkt, len); 600 NfsState = STATE_MOUNT_REQ; 601 NfsSend (); 602 break; 603 604 case STATE_MOUNT_REQ: 605 if (nfs_mount_reply(pkt, len)) { 606 puts ("*** ERROR: Cannot mount\n"); 607 /* just to be sure... */ 608 NfsState = STATE_UMOUNT_REQ; 609 NfsSend (); 610 } else { 611 NfsState = STATE_LOOKUP_REQ; 612 NfsSend (); 613 } 614 break; 615 616 case STATE_UMOUNT_REQ: 617 if (nfs_umountall_reply(pkt, len)) { 618 puts ("*** ERROR: Cannot umount\n"); 619 NetState = NETLOOP_FAIL; 620 } else { 621 puts ("\ndone\n"); 622 NetState = NfsDownloadState; 623 } 624 break; 625 626 case STATE_LOOKUP_REQ: 627 if (nfs_lookup_reply(pkt, len)) { 628 puts ("*** ERROR: File lookup fail\n"); 629 NfsState = STATE_UMOUNT_REQ; 630 NfsSend (); 631 } else { 632 NfsState = STATE_READ_REQ; 633 nfs_offset = 0; 634 nfs_len = NFS_READ_SIZE; 635 NfsSend (); 636 } 637 break; 638 639 case STATE_READLINK_REQ: 640 if (nfs_readlink_reply(pkt, len)) { 641 puts ("*** ERROR: Symlink fail\n"); 642 NfsState = STATE_UMOUNT_REQ; 643 NfsSend (); 644 } else { 645 debug("Symlink --> %s\n", nfs_path); 646 nfs_filename = basename (nfs_path); 647 nfs_path = dirname (nfs_path); 648 649 NfsState = STATE_MOUNT_REQ; 650 NfsSend (); 651 } 652 break; 653 654 case STATE_READ_REQ: 655 rlen = nfs_read_reply (pkt, len); 656 NetSetTimeout (NFS_TIMEOUT, NfsTimeout); 657 if (rlen > 0) { 658 nfs_offset += rlen; 659 NfsSend (); 660 } 661 else if ((rlen == -NFSERR_ISDIR)||(rlen == -NFSERR_INVAL)) { 662 /* symbolic link */ 663 NfsState = STATE_READLINK_REQ; 664 NfsSend (); 665 } else { 666 if ( ! rlen ) NfsDownloadState = NETLOOP_SUCCESS; 667 NfsState = STATE_UMOUNT_REQ; 668 NfsSend (); 669 } 670 break; 671 } 672 } 673 674 675 void 676 NfsStart (void) 677 { 678 debug("%s\n", __func__); 679 NfsDownloadState = NETLOOP_FAIL; 680 681 NfsServerIP = NetServerIP; 682 nfs_path = (char *)nfs_path_buff; 683 684 if (nfs_path == NULL) { 685 NetState = NETLOOP_FAIL; 686 puts ("*** ERROR: Fail allocate memory\n"); 687 return; 688 } 689 690 if (BootFile[0] == '\0') { 691 sprintf (default_filename, "/nfsroot/%02lX%02lX%02lX%02lX.img", 692 NetOurIP & 0xFF, 693 (NetOurIP >> 8) & 0xFF, 694 (NetOurIP >> 16) & 0xFF, 695 (NetOurIP >> 24) & 0xFF ); 696 strcpy (nfs_path, default_filename); 697 698 printf ("*** Warning: no boot file name; using '%s'\n", 699 nfs_path); 700 } else { 701 char *p=BootFile; 702 703 p = strchr (p, ':'); 704 705 if (p != NULL) { 706 NfsServerIP = string_to_ip (BootFile); 707 ++p; 708 strcpy (nfs_path, p); 709 } else { 710 strcpy (nfs_path, BootFile); 711 } 712 } 713 714 nfs_filename = basename (nfs_path); 715 nfs_path = dirname (nfs_path); 716 717 printf ("Using %s device\n", eth_get_name()); 718 719 printf("File transfer via NFS from server %pI4" 720 "; our IP address is %pI4", &NfsServerIP, &NetOurIP); 721 722 /* Check if we need to send across this subnet */ 723 if (NetOurGatewayIP && NetOurSubnetMask) { 724 IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; 725 IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask; 726 727 if (OurNet != ServerNet) 728 printf("; sending through gateway %pI4", &NetOurGatewayIP); 729 } 730 printf ("\nFilename '%s/%s'.", nfs_path, nfs_filename); 731 732 if (NetBootFileSize) { 733 printf (" Size is 0x%x Bytes = ", NetBootFileSize<<9); 734 print_size (NetBootFileSize<<9, ""); 735 } 736 printf ("\nLoad address: 0x%lx\n" 737 "Loading: *\b", load_addr); 738 739 NetSetTimeout (NFS_TIMEOUT, NfsTimeout); 740 NetSetHandler (NfsHandler); 741 742 NfsTimeoutCount = 0; 743 NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ; 744 745 /*NfsOurPort = 4096 + (get_ticks() % 3072);*/ 746 /*FIX ME !!!*/ 747 NfsOurPort = 1000; 748 749 /* zero out server ether in case the server ip has changed */ 750 memset (NetServerEther, 0, 6); 751 752 NfsSend (); 753 } 754