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 defined(CONFIG_CMD_NET) && defined(CONFIG_CMD_NFS) 35 36 #define HASHES_PER_LINE 65 /* Number of "loading" hashes per line */ 37 #define NFS_RETRY_COUNT 30 38 #define NFS_TIMEOUT 2000UL 39 40 static int fs_mounted = 0; 41 static unsigned long rpc_id = 0; 42 static int nfs_offset = -1; 43 static int nfs_len; 44 45 static char dirfh[NFS_FHSIZE]; /* file handle of directory */ 46 static char filefh[NFS_FHSIZE]; /* file handle of kernel image */ 47 48 static int NfsDownloadState; 49 static IPaddr_t NfsServerIP; 50 static int NfsSrvMountPort; 51 static int NfsSrvNfsPort; 52 static int NfsOurPort; 53 static int NfsTimeoutCount; 54 static int NfsState; 55 #define STATE_PRCLOOKUP_PROG_MOUNT_REQ 1 56 #define STATE_PRCLOOKUP_PROG_NFS_REQ 2 57 #define STATE_MOUNT_REQ 3 58 #define STATE_UMOUNT_REQ 4 59 #define STATE_LOOKUP_REQ 5 60 #define STATE_READ_REQ 6 61 #define STATE_READLINK_REQ 7 62 63 static char default_filename[64]; 64 static char *nfs_filename; 65 static char *nfs_path; 66 static char nfs_path_buff[2048]; 67 68 static __inline__ int 69 store_block (uchar * src, unsigned offset, unsigned len) 70 { 71 ulong newsize = offset + len; 72 #ifdef CONFIG_SYS_DIRECT_FLASH_NFS 73 int i, rc = 0; 74 75 for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; i++) { 76 /* start address in flash? */ 77 if (load_addr + offset >= flash_info[i].start[0]) { 78 rc = 1; 79 break; 80 } 81 } 82 83 if (rc) { /* Flash is destination for this packet */ 84 rc = flash_write ((uchar *)src, (ulong)(load_addr+offset), len); 85 if (rc) { 86 flash_perror (rc); 87 return -1; 88 } 89 } else 90 #endif /* CONFIG_SYS_DIRECT_FLASH_NFS */ 91 { 92 (void)memcpy ((void *)(load_addr + offset), src, len); 93 } 94 95 if (NetBootFileXferSize < (offset+len)) 96 NetBootFileXferSize = newsize; 97 return 0; 98 } 99 100 static char* 101 basename (char *path) 102 { 103 char *fname; 104 105 fname = path + strlen(path) - 1; 106 while (fname >= path) { 107 if (*fname == '/') { 108 fname++; 109 break; 110 } 111 fname--; 112 } 113 return fname; 114 } 115 116 static char* 117 dirname (char *path) 118 { 119 char *fname; 120 121 fname = basename (path); 122 --fname; 123 *fname = '\0'; 124 return path; 125 } 126 127 /************************************************************************** 128 RPC_ADD_CREDENTIALS - Add RPC authentication/verifier entries 129 **************************************************************************/ 130 static long *rpc_add_credentials (long *p) 131 { 132 int hl; 133 int hostnamelen; 134 char hostname[256]; 135 136 strcpy (hostname, ""); 137 hostnamelen=strlen (hostname); 138 139 /* Here's the executive summary on authentication requirements of the 140 * various NFS server implementations: Linux accepts both AUTH_NONE 141 * and AUTH_UNIX authentication (also accepts an empty hostname field 142 * in the AUTH_UNIX scheme). *BSD refuses AUTH_NONE, but accepts 143 * AUTH_UNIX (also accepts an empty hostname field in the AUTH_UNIX 144 * scheme). To be safe, use AUTH_UNIX and pass the hostname if we have 145 * it (if the BOOTP/DHCP reply didn't give one, just use an empty 146 * hostname). */ 147 148 hl = (hostnamelen + 3) & ~3; 149 150 /* Provide an AUTH_UNIX credential. */ 151 *p++ = htonl(1); /* AUTH_UNIX */ 152 *p++ = htonl(hl+20); /* auth length */ 153 *p++ = htonl(0); /* stamp */ 154 *p++ = htonl(hostnamelen); /* hostname string */ 155 if (hostnamelen & 3) { 156 *(p + hostnamelen / 4) = 0; /* add zero padding */ 157 } 158 memcpy (p, hostname, hostnamelen); 159 p += hl / 4; 160 *p++ = 0; /* uid */ 161 *p++ = 0; /* gid */ 162 *p++ = 0; /* auxiliary gid list */ 163 164 /* Provide an AUTH_NONE verifier. */ 165 *p++ = 0; /* AUTH_NONE */ 166 *p++ = 0; /* auth length */ 167 168 return p; 169 } 170 171 /************************************************************************** 172 RPC_LOOKUP - Lookup RPC Port numbers 173 **************************************************************************/ 174 static void 175 rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) 176 { 177 struct rpc_t pkt; 178 unsigned long id; 179 uint32_t *p; 180 int pktlen; 181 int sport; 182 183 id = ++rpc_id; 184 pkt.u.call.id = htonl(id); 185 pkt.u.call.type = htonl(MSG_CALL); 186 pkt.u.call.rpcvers = htonl(2); /* use RPC version 2 */ 187 pkt.u.call.prog = htonl(rpc_prog); 188 pkt.u.call.vers = htonl(2); /* portmapper is version 2 */ 189 pkt.u.call.proc = htonl(rpc_proc); 190 p = (uint32_t *)&(pkt.u.call.data); 191 192 if (datalen) 193 memcpy ((char *)p, (char *)data, datalen*sizeof(uint32_t)); 194 195 pktlen = (char *)p + datalen*sizeof(uint32_t) - (char *)&pkt; 196 197 memcpy ((char *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE, (char *)&pkt, pktlen); 198 199 if (rpc_prog == PROG_PORTMAP) 200 sport = SUNRPC_PORT; 201 else if (rpc_prog == PROG_MOUNT) 202 sport = NfsSrvMountPort; 203 else 204 sport = NfsSrvNfsPort; 205 206 NetSendUDPPacket (NetServerEther, NfsServerIP, sport, NfsOurPort, pktlen); 207 } 208 209 /************************************************************************** 210 RPC_LOOKUP - Lookup RPC Port numbers 211 **************************************************************************/ 212 static void 213 rpc_lookup_req (int prog, int ver) 214 { 215 uint32_t data[16]; 216 217 data[0] = 0; data[1] = 0; /* auth credential */ 218 data[2] = 0; data[3] = 0; /* auth verifier */ 219 data[4] = htonl(prog); 220 data[5] = htonl(ver); 221 data[6] = htonl(17); /* IP_UDP */ 222 data[7] = 0; 223 224 rpc_req (PROG_PORTMAP, PORTMAP_GETPORT, data, 8); 225 } 226 227 /************************************************************************** 228 NFS_MOUNT - Mount an NFS Filesystem 229 **************************************************************************/ 230 static void 231 nfs_mount_req (char *path) 232 { 233 uint32_t data[1024]; 234 uint32_t *p; 235 int len; 236 int pathlen; 237 238 pathlen = strlen (path); 239 240 p = &(data[0]); 241 p = (uint32_t *)rpc_add_credentials((long *)p); 242 243 *p++ = htonl(pathlen); 244 if (pathlen & 3) *(p + pathlen / 4) = 0; 245 memcpy (p, path, pathlen); 246 p += (pathlen + 3) / 4; 247 248 len = (uint32_t *)p - (uint32_t *)&(data[0]); 249 250 rpc_req (PROG_MOUNT, MOUNT_ADDENTRY, data, len); 251 } 252 253 /************************************************************************** 254 NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server 255 **************************************************************************/ 256 static void 257 nfs_umountall_req (void) 258 { 259 uint32_t data[1024]; 260 uint32_t *p; 261 int len; 262 263 if ((NfsSrvMountPort == -1) || (!fs_mounted)) { 264 /* Nothing mounted, nothing to umount */ 265 return; 266 } 267 268 p = &(data[0]); 269 p = (uint32_t *)rpc_add_credentials ((long *)p); 270 271 len = (uint32_t *)p - (uint32_t *)&(data[0]); 272 273 rpc_req (PROG_MOUNT, MOUNT_UMOUNTALL, data, len); 274 } 275 276 /*************************************************************************** 277 * NFS_READLINK (AH 2003-07-14) 278 * This procedure is called when read of the first block fails - 279 * this probably happens when it's a directory or a symlink 280 * In case of successful readlink(), the dirname is manipulated, 281 * so that inside the nfs() function a recursion can be done. 282 **************************************************************************/ 283 static void 284 nfs_readlink_req (void) 285 { 286 uint32_t data[1024]; 287 uint32_t *p; 288 int len; 289 290 p = &(data[0]); 291 p = (uint32_t *)rpc_add_credentials ((long *)p); 292 293 memcpy (p, filefh, NFS_FHSIZE); 294 p += (NFS_FHSIZE / 4); 295 296 len = (uint32_t *)p - (uint32_t *)&(data[0]); 297 298 rpc_req (PROG_NFS, NFS_READLINK, data, len); 299 } 300 301 /************************************************************************** 302 NFS_LOOKUP - Lookup Pathname 303 **************************************************************************/ 304 static void 305 nfs_lookup_req (char *fname) 306 { 307 uint32_t data[1024]; 308 uint32_t *p; 309 int len; 310 int fnamelen; 311 312 fnamelen = strlen (fname); 313 314 p = &(data[0]); 315 p = (uint32_t *)rpc_add_credentials ((long *)p); 316 317 memcpy (p, dirfh, NFS_FHSIZE); 318 p += (NFS_FHSIZE / 4); 319 *p++ = htonl(fnamelen); 320 if (fnamelen & 3) *(p + fnamelen / 4) = 0; 321 memcpy (p, fname, fnamelen); 322 p += (fnamelen + 3) / 4; 323 324 len = (uint32_t *)p - (uint32_t *)&(data[0]); 325 326 rpc_req (PROG_NFS, NFS_LOOKUP, data, len); 327 } 328 329 /************************************************************************** 330 NFS_READ - Read File on NFS Server 331 **************************************************************************/ 332 static void 333 nfs_read_req (int offset, int readlen) 334 { 335 uint32_t data[1024]; 336 uint32_t *p; 337 int len; 338 339 p = &(data[0]); 340 p = (uint32_t *)rpc_add_credentials ((long *)p); 341 342 memcpy (p, filefh, NFS_FHSIZE); 343 p += (NFS_FHSIZE / 4); 344 *p++ = htonl(offset); 345 *p++ = htonl(readlen); 346 *p++ = 0; 347 348 len = (uint32_t *)p - (uint32_t *)&(data[0]); 349 350 rpc_req (PROG_NFS, NFS_READ, data, len); 351 } 352 353 /************************************************************************** 354 RPC request dispatcher 355 **************************************************************************/ 356 357 static void 358 NfsSend (void) 359 { 360 #ifdef NFS_DEBUG 361 printf ("%s\n", __FUNCTION__); 362 #endif 363 364 switch (NfsState) { 365 case STATE_PRCLOOKUP_PROG_MOUNT_REQ: 366 rpc_lookup_req (PROG_MOUNT, 1); 367 break; 368 case STATE_PRCLOOKUP_PROG_NFS_REQ: 369 rpc_lookup_req (PROG_NFS, 2); 370 break; 371 case STATE_MOUNT_REQ: 372 nfs_mount_req (nfs_path); 373 break; 374 case STATE_UMOUNT_REQ: 375 nfs_umountall_req (); 376 break; 377 case STATE_LOOKUP_REQ: 378 nfs_lookup_req (nfs_filename); 379 break; 380 case STATE_READ_REQ: 381 nfs_read_req (nfs_offset, nfs_len); 382 break; 383 case STATE_READLINK_REQ: 384 nfs_readlink_req (); 385 break; 386 } 387 } 388 389 /************************************************************************** 390 Handlers for the reply from server 391 **************************************************************************/ 392 393 static int 394 rpc_lookup_reply (int prog, uchar *pkt, unsigned len) 395 { 396 struct rpc_t rpc_pkt; 397 398 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 399 400 #ifdef NFS_DEBUG 401 printf ("%s\n", __FUNCTION__); 402 #endif 403 404 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 405 return -1; 406 407 if (rpc_pkt.u.reply.rstatus || 408 rpc_pkt.u.reply.verifier || 409 rpc_pkt.u.reply.astatus) { 410 return -1; 411 } 412 413 switch (prog) { 414 case PROG_MOUNT: 415 NfsSrvMountPort = ntohl(rpc_pkt.u.reply.data[0]); 416 break; 417 case PROG_NFS: 418 NfsSrvNfsPort = ntohl(rpc_pkt.u.reply.data[0]); 419 break; 420 } 421 422 return 0; 423 } 424 425 static int 426 nfs_mount_reply (uchar *pkt, unsigned len) 427 { 428 struct rpc_t rpc_pkt; 429 430 #ifdef NFS_DEBUG 431 printf ("%s\n", __FUNCTION__); 432 #endif 433 434 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 435 436 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 437 return -1; 438 439 if (rpc_pkt.u.reply.rstatus || 440 rpc_pkt.u.reply.verifier || 441 rpc_pkt.u.reply.astatus || 442 rpc_pkt.u.reply.data[0]) { 443 return -1; 444 } 445 446 fs_mounted = 1; 447 memcpy (dirfh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); 448 449 return 0; 450 } 451 452 static int 453 nfs_umountall_reply (uchar *pkt, unsigned len) 454 { 455 struct rpc_t rpc_pkt; 456 457 #ifdef NFS_DEBUG 458 printf ("%s\n", __FUNCTION__); 459 #endif 460 461 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 462 463 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 464 return -1; 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 (ntohl(rpc_pkt.u.reply.id) != rpc_id) 490 return -1; 491 492 if (rpc_pkt.u.reply.rstatus || 493 rpc_pkt.u.reply.verifier || 494 rpc_pkt.u.reply.astatus || 495 rpc_pkt.u.reply.data[0]) { 496 return -1; 497 } 498 499 memcpy (filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); 500 501 return 0; 502 } 503 504 static int 505 nfs_readlink_reply (uchar *pkt, unsigned len) 506 { 507 struct rpc_t rpc_pkt; 508 int rlen; 509 510 #ifdef NFS_DEBUG 511 printf ("%s\n", __FUNCTION__); 512 #endif 513 514 memcpy ((unsigned char *)&rpc_pkt, pkt, len); 515 516 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 517 return -1; 518 519 if (rpc_pkt.u.reply.rstatus || 520 rpc_pkt.u.reply.verifier || 521 rpc_pkt.u.reply.astatus || 522 rpc_pkt.u.reply.data[0]) { 523 return -1; 524 } 525 526 rlen = ntohl (rpc_pkt.u.reply.data[1]); /* new path length */ 527 528 if (*((char *)&(rpc_pkt.u.reply.data[2])) != '/') { 529 int pathlen; 530 strcat (nfs_path, "/"); 531 pathlen = strlen(nfs_path); 532 memcpy (nfs_path+pathlen, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); 533 nfs_path[pathlen+rlen+1] = 0; 534 } else { 535 memcpy (nfs_path, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); 536 nfs_path[rlen] = 0; 537 } 538 return 0; 539 } 540 541 static int 542 nfs_read_reply (uchar *pkt, unsigned len) 543 { 544 struct rpc_t rpc_pkt; 545 int rlen; 546 547 #ifdef NFS_DEBUG_nop 548 printf ("%s\n", __FUNCTION__); 549 #endif 550 551 memcpy ((uchar *)&rpc_pkt, pkt, sizeof(rpc_pkt.u.reply)); 552 553 if (ntohl(rpc_pkt.u.reply.id) != rpc_id) 554 return -1; 555 556 if (rpc_pkt.u.reply.rstatus || 557 rpc_pkt.u.reply.verifier || 558 rpc_pkt.u.reply.astatus || 559 rpc_pkt.u.reply.data[0]) { 560 if (rpc_pkt.u.reply.rstatus) { 561 return -9999; 562 } 563 if (rpc_pkt.u.reply.astatus) { 564 return -9999; 565 } 566 return -ntohl(rpc_pkt.u.reply.data[0]);; 567 } 568 569 if ((nfs_offset!=0) && !((nfs_offset) % (NFS_READ_SIZE/2*10*HASHES_PER_LINE))) { 570 puts ("\n\t "); 571 } 572 if (!(nfs_offset % ((NFS_READ_SIZE/2)*10))) { 573 putc ('#'); 574 } 575 576 rlen = ntohl(rpc_pkt.u.reply.data[18]); 577 if ( store_block ((uchar *)pkt+sizeof(rpc_pkt.u.reply), nfs_offset, rlen) ) 578 return -9999; 579 580 return rlen; 581 } 582 583 /************************************************************************** 584 Interfaces of U-BOOT 585 **************************************************************************/ 586 587 static void 588 NfsTimeout (void) 589 { 590 if ( NfsTimeoutCount++ < NFS_RETRY_COUNT ) { 591 NfsSend (); 592 return; 593 } 594 puts ("Timeout\n"); 595 NetState = NETLOOP_FAIL; 596 return; 597 } 598 599 static void 600 NfsHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) 601 { 602 int rlen; 603 604 #ifdef NFS_DEBUG 605 printf ("%s\n", __FUNCTION__); 606 #endif 607 608 if (dest != NfsOurPort) return; 609 610 switch (NfsState) { 611 case STATE_PRCLOOKUP_PROG_MOUNT_REQ: 612 rpc_lookup_reply (PROG_MOUNT, pkt, len); 613 NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ; 614 NfsSend (); 615 break; 616 617 case STATE_PRCLOOKUP_PROG_NFS_REQ: 618 rpc_lookup_reply (PROG_NFS, pkt, len); 619 NfsState = STATE_MOUNT_REQ; 620 NfsSend (); 621 break; 622 623 case STATE_MOUNT_REQ: 624 if (nfs_mount_reply(pkt, len)) { 625 puts ("*** ERROR: Cannot mount\n"); 626 /* just to be sure... */ 627 NfsState = STATE_UMOUNT_REQ; 628 NfsSend (); 629 } else { 630 NfsState = STATE_LOOKUP_REQ; 631 NfsSend (); 632 } 633 break; 634 635 case STATE_UMOUNT_REQ: 636 if (nfs_umountall_reply(pkt, len)) { 637 puts ("*** ERROR: Cannot umount\n"); 638 NetState = NETLOOP_FAIL; 639 } else { 640 puts ("\ndone\n"); 641 NetState = NfsDownloadState; 642 } 643 break; 644 645 case STATE_LOOKUP_REQ: 646 if (nfs_lookup_reply(pkt, len)) { 647 puts ("*** ERROR: File lookup fail\n"); 648 NfsState = STATE_UMOUNT_REQ; 649 NfsSend (); 650 } else { 651 NfsState = STATE_READ_REQ; 652 nfs_offset = 0; 653 nfs_len = NFS_READ_SIZE; 654 NfsSend (); 655 } 656 break; 657 658 case STATE_READLINK_REQ: 659 if (nfs_readlink_reply(pkt, len)) { 660 puts ("*** ERROR: Symlink fail\n"); 661 NfsState = STATE_UMOUNT_REQ; 662 NfsSend (); 663 } else { 664 #ifdef NFS_DEBUG 665 printf ("Symlink --> %s\n", nfs_path); 666 #endif 667 nfs_filename = basename (nfs_path); 668 nfs_path = dirname (nfs_path); 669 670 NfsState = STATE_MOUNT_REQ; 671 NfsSend (); 672 } 673 break; 674 675 case STATE_READ_REQ: 676 rlen = nfs_read_reply (pkt, len); 677 NetSetTimeout (NFS_TIMEOUT, NfsTimeout); 678 if (rlen > 0) { 679 nfs_offset += rlen; 680 NfsSend (); 681 } 682 else if ((rlen == -NFSERR_ISDIR)||(rlen == -NFSERR_INVAL)) { 683 /* symbolic link */ 684 NfsState = STATE_READLINK_REQ; 685 NfsSend (); 686 } else { 687 if ( ! rlen ) NfsDownloadState = NETLOOP_SUCCESS; 688 NfsState = STATE_UMOUNT_REQ; 689 NfsSend (); 690 } 691 break; 692 } 693 } 694 695 696 void 697 NfsStart (void) 698 { 699 #ifdef NFS_DEBUG 700 printf ("%s\n", __FUNCTION__); 701 #endif 702 NfsDownloadState = NETLOOP_FAIL; 703 704 NfsServerIP = NetServerIP; 705 nfs_path = (char *)nfs_path_buff; 706 707 if (nfs_path == NULL) { 708 NetState = NETLOOP_FAIL; 709 puts ("*** ERROR: Fail allocate memory\n"); 710 return; 711 } 712 713 if (BootFile[0] == '\0') { 714 sprintf (default_filename, "/nfsroot/%02lX%02lX%02lX%02lX.img", 715 NetOurIP & 0xFF, 716 (NetOurIP >> 8) & 0xFF, 717 (NetOurIP >> 16) & 0xFF, 718 (NetOurIP >> 24) & 0xFF ); 719 strcpy (nfs_path, default_filename); 720 721 printf ("*** Warning: no boot file name; using '%s'\n", 722 nfs_path); 723 } else { 724 char *p=BootFile; 725 726 p = strchr (p, ':'); 727 728 if (p != NULL) { 729 NfsServerIP = string_to_ip (BootFile); 730 ++p; 731 strcpy (nfs_path, p); 732 } else { 733 strcpy (nfs_path, BootFile); 734 } 735 } 736 737 nfs_filename = basename (nfs_path); 738 nfs_path = dirname (nfs_path); 739 740 #if defined(CONFIG_NET_MULTI) 741 printf ("Using %s device\n", eth_get_name()); 742 #endif 743 744 puts ("File transfer via NFS from server "); print_IPaddr (NfsServerIP); 745 puts ("; our IP address is "); print_IPaddr (NetOurIP); 746 747 /* Check if we need to send across this subnet */ 748 if (NetOurGatewayIP && NetOurSubnetMask) { 749 IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; 750 IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask; 751 752 if (OurNet != ServerNet) { 753 puts ("; sending through gateway "); 754 print_IPaddr (NetOurGatewayIP) ; 755 } 756 } 757 printf ("\nFilename '%s/%s'.", nfs_path, nfs_filename); 758 759 if (NetBootFileSize) { 760 printf (" Size is 0x%x Bytes = ", NetBootFileSize<<9); 761 print_size (NetBootFileSize<<9, ""); 762 } 763 printf ("\nLoad address: 0x%lx\n" 764 "Loading: *\b", load_addr); 765 766 NetSetTimeout (NFS_TIMEOUT, NfsTimeout); 767 NetSetHandler (NfsHandler); 768 769 NfsTimeoutCount = 0; 770 NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ; 771 772 /*NfsOurPort = 4096 + (get_ticks() % 3072);*/ 773 /*FIX ME !!!*/ 774 NfsOurPort = 1000; 775 776 /* zero out server ether in case the server ip has changed */ 777 memset (NetServerEther, 0, 6); 778 779 NfsSend (); 780 } 781 782 #endif 783