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772db4bb | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2004 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | pxe_bc_mtftp.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | TFTP and MTFTP (multicast TFTP) implementation.\r | |
18 | \r | |
19 | Revision History\r | |
20 | \r | |
21 | \r | |
22 | **/\r | |
23 | \r | |
24 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
25 | \r | |
26 | //\r | |
27 | // The following #define is used to create a version that does not wait to\r | |
28 | // open after a listen. This is just for a special regression test of MTFTP\r | |
29 | // server to make sure multiple opens are handled correctly. Normally this\r | |
30 | // next line should be a comment.\r | |
31 | // #define SpecialNowaitVersion // comment out for normal operation\r | |
32 | //\r | |
33 | \r | |
34 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
f71bb8f1 | 35 | #include "Bc.h"\r |
772db4bb | 36 | \r |
37 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
38 | UINT64\r | |
39 | Swap64 (\r | |
40 | UINT64 n\r | |
41 | )\r | |
42 | {\r | |
43 | union {\r | |
44 | UINT64 n;\r | |
45 | UINT8 b[8];\r | |
46 | } u;\r | |
47 | \r | |
48 | UINT8 t;\r | |
49 | \r | |
50 | u.n = n;\r | |
51 | \r | |
52 | t = u.b[0];\r | |
53 | u.b[0] = u.b[7];\r | |
54 | u.b[7] = t;\r | |
55 | \r | |
56 | t = u.b[1];\r | |
57 | u.b[1] = u.b[6];\r | |
58 | u.b[6] = t;\r | |
59 | \r | |
60 | t = u.b[2];\r | |
61 | u.b[2] = u.b[5];\r | |
62 | u.b[5] = t;\r | |
63 | \r | |
64 | t = u.b[3];\r | |
65 | u.b[3] = u.b[4];\r | |
66 | u.b[4] = t;\r | |
67 | \r | |
68 | return u.n;\r | |
69 | }\r | |
70 | \r | |
71 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
72 | \r | |
73 | /**\r | |
74 | \r | |
75 | @return EFI_SUCCESS :=\r | |
76 | @return EFI_TFTP_ERROR :=\r | |
77 | @return other :=\r | |
78 | \r | |
79 | **/\r | |
80 | STATIC\r | |
81 | EFI_STATUS\r | |
82 | TftpUdpRead (\r | |
83 | PXE_BASECODE_DEVICE *Private,\r | |
84 | UINT16 Operation,\r | |
85 | VOID *HeaderPtr,\r | |
86 | UINTN *BufferSizePtr,\r | |
87 | VOID *BufferPtr,\r | |
88 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
89 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
90 | EFI_IP_ADDRESS *OurIpPtr,\r | |
91 | EFI_PXE_BASE_CODE_UDP_PORT *OurPortPtr,\r | |
92 | UINT16 Timeout\r | |
93 | )\r | |
94 | {\r | |
95 | EFI_PXE_BASE_CODE_MODE *PxeBcMode;\r | |
96 | EFI_STATUS Status;\r | |
97 | EFI_EVENT TimeoutEvent;\r | |
98 | UINTN HeaderSize;\r | |
99 | \r | |
100 | //\r | |
101 | //\r | |
102 | //\r | |
103 | Status = gBS->CreateEvent (\r | |
104 | EVT_TIMER,\r | |
105 | TPL_CALLBACK,\r | |
106 | NULL,\r | |
107 | NULL,\r | |
108 | &TimeoutEvent\r | |
109 | );\r | |
110 | \r | |
111 | if (EFI_ERROR (Status)) {\r | |
112 | return Status;\r | |
113 | }\r | |
114 | \r | |
115 | Status = gBS->SetTimer (\r | |
116 | TimeoutEvent,\r | |
117 | TimerRelative,\r | |
118 | Timeout * 10000000 + 1000000\r | |
119 | );\r | |
120 | \r | |
121 | if (EFI_ERROR (Status)) {\r | |
122 | gBS->CloseEvent (TimeoutEvent);\r | |
123 | return Status;\r | |
124 | }\r | |
125 | //\r | |
126 | //\r | |
127 | //\r | |
128 | HeaderSize = Private->BigBlkNumFlag ? sizeof (struct Tftpv4Ack8) : sizeof (struct Tftpv4Ack);\r | |
129 | \r | |
130 | #define ERROR_MESSAGE_PTR ((struct Tftpv4Error *) HeaderPtr)\r | |
131 | \r | |
132 | Status = UdpRead (\r | |
133 | Private,\r | |
134 | Operation,\r | |
135 | OurIpPtr,\r | |
136 | OurPortPtr,\r | |
137 | ServerIpPtr,\r | |
138 | ServerPortPtr,\r | |
139 | &HeaderSize,\r | |
140 | HeaderPtr,\r | |
141 | BufferSizePtr,\r | |
142 | BufferPtr,\r | |
143 | TimeoutEvent\r | |
144 | );\r | |
145 | \r | |
146 | if (Status != EFI_SUCCESS || ERROR_MESSAGE_PTR->OpCode != HTONS (TFTP_ERROR)) {\r | |
147 | gBS->CloseEvent (TimeoutEvent);\r | |
148 | return Status;\r | |
149 | }\r | |
150 | //\r | |
151 | // got an error packet\r | |
152 | // write one byte error code followed by error message\r | |
153 | //\r | |
154 | PxeBcMode = Private->EfiBc.Mode;\r | |
155 | PxeBcMode->TftpErrorReceived = TRUE;\r | |
156 | PxeBcMode->TftpError.ErrorCode = (UINT8) NTOHS (ERROR_MESSAGE_PTR->ErrCode);\r | |
157 | HeaderSize = MIN (*BufferSizePtr, sizeof PxeBcMode->TftpError.ErrorString);\r | |
158 | CopyMem (PxeBcMode->TftpError.ErrorString, BufferPtr, HeaderSize);\r | |
159 | \r | |
160 | gBS->CloseEvent (TimeoutEvent);\r | |
161 | return EFI_TFTP_ERROR;\r | |
162 | }\r | |
163 | \r | |
164 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
165 | \r | |
166 | /**\r | |
167 | \r | |
168 | \r | |
169 | **/\r | |
170 | STATIC\r | |
171 | VOID\r | |
172 | SendError (\r | |
173 | PXE_BASECODE_DEVICE *Private,\r | |
174 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
175 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
176 | EFI_PXE_BASE_CODE_UDP_PORT *OurPortPtr\r | |
177 | )\r | |
178 | {\r | |
179 | struct Tftpv4Error *ErrStr;\r | |
180 | UINTN Len;\r | |
181 | \r | |
182 | ErrStr = (VOID *) Private->TftpErrorBuffer;\r | |
183 | Len = sizeof *ErrStr;\r | |
184 | \r | |
185 | ErrStr->OpCode = HTONS (TFTP_ERROR);\r | |
186 | ErrStr->ErrCode = HTONS (TFTP_ERR_OPTION);\r | |
187 | ErrStr->ErrMsg[0] = 0;\r | |
188 | \r | |
189 | UdpWrite (\r | |
190 | Private,\r | |
191 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_MAY_FRAGMENT,\r | |
192 | ServerIpPtr,\r | |
193 | ServerPortPtr,\r | |
194 | 0,\r | |
195 | 0,\r | |
196 | OurPortPtr,\r | |
197 | 0,\r | |
198 | 0,\r | |
199 | &Len,\r | |
200 | ErrStr\r | |
201 | );\r | |
202 | }\r | |
203 | \r | |
204 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
205 | \r | |
206 | /**\r | |
207 | \r | |
208 | \r | |
209 | **/\r | |
210 | STATIC\r | |
211 | EFI_STATUS\r | |
212 | SendAckAndGetData (\r | |
213 | PXE_BASECODE_DEVICE *Private,\r | |
214 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
215 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
216 | EFI_IP_ADDRESS *ReplyIpPtr,\r | |
217 | EFI_PXE_BASE_CODE_UDP_PORT *OurPortPtr,\r | |
218 | UINT16 Timeout,\r | |
219 | UINTN *ReplyLenPtr,\r | |
220 | UINT8 *PxeBcMode,\r | |
221 | UINT64 *BlockNumPtr,\r | |
222 | BOOLEAN AckOnly\r | |
223 | )\r | |
224 | {\r | |
225 | struct Tftpv4Data DataBuffer;\r | |
226 | struct Tftpv4Ack *Ack2Ptr;\r | |
227 | struct Tftpv4Ack8 *Ack8Ptr;\r | |
228 | EFI_STATUS Status;\r | |
229 | UINTN Len;\r | |
230 | \r | |
231 | Ack2Ptr = (VOID *) Private->TftpAckBuffer;\r | |
232 | Ack8Ptr = (VOID *) Private->TftpAckBuffer;\r | |
233 | \r | |
234 | if (Private->BigBlkNumFlag) {\r | |
235 | Len = sizeof (struct Tftpv4Ack8);\r | |
236 | \r | |
237 | Ack8Ptr->OpCode = HTONS (TFTP_ACK8);\r | |
238 | Ack8Ptr->BlockNum = Swap64 (*BlockNumPtr);\r | |
239 | \r | |
240 | Status = UdpWrite (\r | |
241 | Private,\r | |
242 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_MAY_FRAGMENT,\r | |
243 | ServerIpPtr,\r | |
244 | ServerPortPtr,\r | |
245 | 0,\r | |
246 | 0,\r | |
247 | OurPortPtr,\r | |
248 | 0,\r | |
249 | 0,\r | |
250 | &Len,\r | |
251 | Ack8Ptr\r | |
252 | );\r | |
253 | \r | |
254 | if (EFI_ERROR (Status)) {\r | |
255 | return Status;\r | |
256 | }\r | |
257 | } else {\r | |
258 | Len = sizeof (struct Tftpv4Ack);\r | |
259 | \r | |
260 | Ack2Ptr->OpCode = HTONS (TFTP_ACK);\r | |
261 | Ack2Ptr->BlockNum = HTONS ((UINT16) *BlockNumPtr);\r | |
262 | \r | |
263 | Status = UdpWrite (\r | |
264 | Private,\r | |
265 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_MAY_FRAGMENT,\r | |
266 | ServerIpPtr,\r | |
267 | ServerPortPtr,\r | |
268 | 0,\r | |
269 | 0,\r | |
270 | OurPortPtr,\r | |
271 | 0,\r | |
272 | 0,\r | |
273 | &Len,\r | |
274 | Ack2Ptr\r | |
275 | );\r | |
276 | \r | |
277 | if (EFI_ERROR (Status)) {\r | |
278 | return Status;\r | |
279 | }\r | |
280 | }\r | |
281 | \r | |
282 | if (AckOnly) {\r | |
283 | //\r | |
284 | // ACK of last packet. This is just a courtesy.\r | |
285 | // Do not wait for response.\r | |
286 | //\r | |
287 | return EFI_SUCCESS;\r | |
288 | }\r | |
289 | //\r | |
290 | // read reply\r | |
291 | //\r | |
292 | Status = TftpUdpRead (\r | |
293 | Private,\r | |
294 | 0,\r | |
295 | &DataBuffer,\r | |
296 | ReplyLenPtr,\r | |
297 | PxeBcMode,\r | |
298 | ServerIpPtr,\r | |
299 | ServerPortPtr,\r | |
300 | ReplyIpPtr,\r | |
301 | OurPortPtr,\r | |
302 | Timeout\r | |
303 | );\r | |
304 | \r | |
305 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
306 | return Status;\r | |
307 | }\r | |
308 | //\r | |
309 | // got a good reply (so far)\r | |
310 | // check for next data packet\r | |
311 | //\r | |
312 | if (!Private->BigBlkNumFlag && DataBuffer.Header.OpCode == HTONS (TFTP_DATA)) {\r | |
313 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
314 | SendError (Private, ServerIpPtr, ServerPortPtr, OurPortPtr);\r | |
315 | }\r | |
316 | \r | |
317 | *BlockNumPtr = NTOHS (DataBuffer.Header.BlockNum);\r | |
318 | return Status;\r | |
319 | }\r | |
320 | \r | |
321 | if (Private->BigBlkNumFlag && DataBuffer.Header.OpCode == HTONS (TFTP_DATA8)) {\r | |
322 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
323 | SendError (Private, ServerIpPtr, ServerPortPtr, OurPortPtr);\r | |
324 | }\r | |
325 | \r | |
326 | *BlockNumPtr = Swap64 (*(UINT64 *) &DataBuffer.Header.BlockNum);\r | |
327 | return Status;\r | |
328 | }\r | |
329 | \r | |
330 | return EFI_PROTOCOL_ERROR;\r | |
331 | }\r | |
332 | \r | |
333 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
334 | \r | |
335 | /**\r | |
336 | \r | |
337 | \r | |
338 | **/\r | |
339 | STATIC\r | |
340 | EFI_STATUS\r | |
341 | LockStepReceive (\r | |
342 | PXE_BASECODE_DEVICE *Private,\r | |
343 | UINTN PacketSize,\r | |
344 | UINT64 *BufferSizePtr,\r | |
345 | UINT64 Offset,\r | |
346 | UINT8 *BufferPtr,\r | |
347 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
348 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
349 | EFI_IP_ADDRESS *ReplyIpPtr,\r | |
350 | EFI_PXE_BASE_CODE_UDP_PORT *OurPortPtr,\r | |
351 | UINT64 LastBlock,\r | |
352 | UINT16 Timeout,\r | |
353 | IN BOOLEAN DontUseBuffer\r | |
354 | )\r | |
355 | {\r | |
356 | EFI_STATUS Status;\r | |
357 | UINT64 BlockNum;\r | |
358 | UINT64 BufferSize;\r | |
359 | UINTN Retries;\r | |
360 | UINTN SaveLen;\r | |
361 | UINTN ReplyLen;\r | |
362 | \r | |
363 | ReplyLen = PacketSize;\r | |
364 | BlockNum = LastBlock;\r | |
365 | \r | |
366 | DEBUG ((DEBUG_INFO, "\nLockStepReceive() PacketSize = %d", PacketSize));\r | |
367 | \r | |
368 | if (DontUseBuffer) {\r | |
369 | BufferSize = PacketSize;\r | |
370 | } else {\r | |
371 | BufferSize = *BufferSizePtr - Offset;\r | |
372 | BufferPtr += Offset;\r | |
373 | }\r | |
374 | \r | |
375 | while (ReplyLen >= 512 && ReplyLen == PacketSize) {\r | |
376 | if (BufferSize < PacketSize) {\r | |
377 | ReplyLen = (UINTN) ((BufferSize > 0) ? BufferSize : 0);\r | |
378 | }\r | |
379 | \r | |
380 | SaveLen = ReplyLen;\r | |
381 | \r | |
382 | //\r | |
383 | // write an ack packet and get data - retry up to NUM_ACK_RETRIES on timeout\r | |
384 | //\r | |
385 | Retries = NUM_ACK_RETRIES;\r | |
386 | \r | |
387 | do {\r | |
388 | ReplyLen = SaveLen;\r | |
389 | \r | |
390 | Status = SendAckAndGetData (\r | |
391 | Private,\r | |
392 | ServerIpPtr,\r | |
393 | ServerPortPtr,\r | |
394 | ReplyIpPtr,\r | |
395 | OurPortPtr,\r | |
396 | Timeout,\r | |
397 | (UINTN *) &ReplyLen,\r | |
398 | BufferPtr,\r | |
399 | &BlockNum,\r | |
400 | FALSE\r | |
401 | );\r | |
402 | \r | |
403 | if (!EFI_ERROR (Status) || Status == EFI_BUFFER_TOO_SMALL) {\r | |
404 | if (BlockNum == LastBlock) {\r | |
405 | DEBUG ((DEBUG_NET, "\nresend"));\r | |
406 | //\r | |
407 | // a resend - continue\r | |
408 | //\r | |
409 | Status = EFI_TIMEOUT;\r | |
410 | } else if (Private->BigBlkNumFlag) {\r | |
411 | if (BlockNum != ++LastBlock) {\r | |
412 | DEBUG ((DEBUG_NET, "\nLockStepReceive() Exit #1a"));\r | |
413 | //\r | |
414 | // not correct blocknum - error\r | |
415 | //\r | |
416 | return EFI_PROTOCOL_ERROR;\r | |
417 | }\r | |
418 | } else {\r | |
419 | LastBlock = (LastBlock + 1) & 0xFFFF;\r | |
420 | if (BlockNum != LastBlock) {\r | |
421 | DEBUG ((DEBUG_NET, "\nLockStepReceive() Exit #1b"));\r | |
422 | return EFI_PROTOCOL_ERROR;\r | |
423 | //\r | |
424 | // not correct blocknum - error\r | |
425 | //\r | |
426 | }\r | |
427 | }\r | |
428 | }\r | |
429 | } while (Status == EFI_TIMEOUT && --Retries);\r | |
430 | \r | |
431 | if (EFI_ERROR (Status)) {\r | |
432 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
433 | SendError (Private, ServerIpPtr, ServerPortPtr, OurPortPtr);\r | |
434 | }\r | |
435 | \r | |
436 | return Status;\r | |
437 | }\r | |
438 | \r | |
439 | if (DontUseBuffer) {\r | |
440 | BufferSize += ReplyLen;\r | |
441 | } else {\r | |
442 | BufferPtr += ReplyLen;\r | |
443 | BufferSize -= ReplyLen;\r | |
444 | }\r | |
445 | }\r | |
446 | //\r | |
447 | // while (ReplyLen == PacketSize);\r | |
448 | //\r | |
449 | if (DontUseBuffer) {\r | |
450 | if (BufferSizePtr != NULL) {\r | |
451 | *BufferSizePtr = (BufferSize - PacketSize);\r | |
452 | }\r | |
453 | } else {\r | |
454 | *BufferSizePtr -= BufferSize;\r | |
455 | }\r | |
456 | \r | |
457 | /* Send ACK of last packet. */\r | |
458 | ReplyLen = 0;\r | |
459 | \r | |
460 | SendAckAndGetData (\r | |
461 | Private,\r | |
462 | ServerIpPtr,\r | |
463 | ServerPortPtr,\r | |
464 | ReplyIpPtr,\r | |
465 | OurPortPtr,\r | |
466 | Timeout,\r | |
467 | (UINTN *) &ReplyLen,\r | |
468 | BufferPtr,\r | |
469 | &BlockNum,\r | |
470 | TRUE\r | |
471 | );\r | |
472 | \r | |
473 | return EFI_SUCCESS;\r | |
474 | }\r | |
475 | \r | |
476 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
477 | \r | |
478 | //\r | |
479 | // some literals\r | |
480 | //\r | |
481 | STATIC UINT8 Mode[] = MODE_BINARY;\r | |
482 | STATIC UINT8 BlockSizeOp[] = OP_BLKSIZE;\r | |
483 | STATIC UINT8 TsizeOp[] = OP_TFRSIZE;\r | |
484 | STATIC UINT8 OverwriteOp[] = OP_OVERWRITE;\r | |
485 | STATIC UINT8 BigBlkNumOp[] = OP_BIGBLKNUM;\r | |
486 | STATIC EFI_PXE_BASE_CODE_UDP_PORT TftpRequestPort = TFTP_OPEN_PORT;\r | |
487 | \r | |
488 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
489 | \r | |
490 | /**\r | |
491 | \r | |
492 | @return Pointer to value field if option found or NULL if not found.\r | |
493 | \r | |
494 | **/\r | |
495 | STATIC\r | |
496 | UINT8 *\r | |
497 | FindOption (\r | |
498 | UINT8 *OptionPtr,\r | |
499 | INTN OpLen,\r | |
500 | UINT8 *OackPtr,\r | |
501 | INTN OackSize\r | |
502 | )\r | |
503 | {\r | |
504 | if ((OackSize -= OpLen) <= 0) {\r | |
505 | return NULL;\r | |
506 | }\r | |
507 | \r | |
508 | do {\r | |
509 | if (!CompareMem (OackPtr, OptionPtr, OpLen)) {\r | |
510 | return OackPtr + OpLen;\r | |
511 | }\r | |
512 | \r | |
513 | ++OackPtr;\r | |
514 | } while (--OackSize);\r | |
515 | \r | |
516 | return NULL;\r | |
517 | }\r | |
518 | \r | |
519 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
520 | #define BKSZOP 1 // block size\r | |
521 | #define TSIZEOP 2 // transfer size\r | |
522 | #define OVERWRITEOP 4 // overwrite\r | |
523 | #define BIGBLKNUMOP 8 // big block numbers\r | |
524 | STATIC\r | |
525 | EFI_STATUS\r | |
526 | TftpRwReq (\r | |
527 | UINT16 Req,\r | |
528 | UINT16 Options,\r | |
529 | PXE_BASECODE_DEVICE *Private,\r | |
530 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
531 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
532 | EFI_PXE_BASE_CODE_UDP_PORT *OurPortPtr,\r | |
533 | UINT8 *FilenamePtr,\r | |
534 | UINTN *PacketSizePtr,\r | |
535 | VOID *Buffer\r | |
536 | )\r | |
537 | {\r | |
538 | union {\r | |
539 | UINT8 Data[514];\r | |
540 | struct Tftpv4Req ReqStr;\r | |
541 | } *u;\r | |
542 | \r | |
543 | UINT16 OpFlags;\r | |
544 | INTN Len;\r | |
545 | INTN TotalLen;\r | |
546 | UINT8 *Ptr;\r | |
547 | \r | |
548 | if (*OurPortPtr == 0) {\r | |
549 | OpFlags = EFI_PXE_BASE_CODE_UDP_OPFLAGS_MAY_FRAGMENT | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT;\r | |
550 | } else {\r | |
551 | OpFlags = EFI_PXE_BASE_CODE_UDP_OPFLAGS_MAY_FRAGMENT;\r | |
552 | }\r | |
553 | //\r | |
554 | // build the basic request - opcode, filename, mode\r | |
555 | //\r | |
556 | u = Buffer;\r | |
557 | u->ReqStr.OpCode = HTONS (Req);\r | |
687a2e5f | 558 | TotalLen = sizeof (Mode) + sizeof (u->ReqStr.OpCode) + (Len = 1 + AsciiStrLen ((CHAR8 *) FilenamePtr));\r |
772db4bb | 559 | \r |
560 | CopyMem (u->ReqStr.FileName, FilenamePtr, Len);\r | |
561 | Ptr = (UINT8 *) (u->ReqStr.FileName + Len);\r | |
562 | \r | |
563 | CopyMem (Ptr, Mode, sizeof (Mode));\r | |
564 | Ptr += sizeof (Mode);\r | |
565 | \r | |
566 | if (Options & BKSZOP) {\r | |
567 | CopyMem (Ptr, BlockSizeOp, sizeof (BlockSizeOp));\r | |
568 | UtoA10 (*PacketSizePtr, Ptr + sizeof (BlockSizeOp));\r | |
569 | \r | |
687a2e5f | 570 | TotalLen += (Len = 1 + AsciiStrLen ((CHAR8 *) (Ptr + sizeof (BlockSizeOp))) + sizeof (BlockSizeOp));\r |
772db4bb | 571 | \r |
572 | Ptr += Len;\r | |
573 | }\r | |
574 | \r | |
575 | if (Options & TSIZEOP) {\r | |
576 | CopyMem (Ptr, TsizeOp, sizeof (TsizeOp));\r | |
577 | CopyMem (Ptr + sizeof (TsizeOp), "0", 2);\r | |
578 | TotalLen += sizeof (TsizeOp) + 2;\r | |
579 | Ptr += sizeof (TsizeOp) + 2;\r | |
580 | }\r | |
581 | \r | |
582 | if (Options & OVERWRITEOP) {\r | |
583 | CopyMem (Ptr, OverwriteOp, sizeof (OverwriteOp));\r | |
584 | CopyMem (Ptr + sizeof (OverwriteOp), "1", 2);\r | |
585 | TotalLen += sizeof (OverwriteOp) + 2;\r | |
586 | Ptr += sizeof (OverwriteOp) + 2;\r | |
587 | }\r | |
588 | \r | |
589 | if (Options & BIGBLKNUMOP) {\r | |
590 | CopyMem (Ptr, BigBlkNumOp, sizeof (BigBlkNumOp));\r | |
591 | CopyMem (Ptr + sizeof (BigBlkNumOp), "8", 2);\r | |
592 | TotalLen += sizeof (BigBlkNumOp) + 2;\r | |
593 | Ptr += sizeof (BigBlkNumOp) + 2;\r | |
594 | }\r | |
595 | //\r | |
596 | // send it\r | |
597 | //\r | |
598 | return UdpWrite (\r | |
599 | Private,\r | |
600 | OpFlags,\r | |
601 | ServerIpPtr,\r | |
602 | ServerPortPtr,\r | |
603 | 0,\r | |
604 | 0,\r | |
605 | OurPortPtr,\r | |
606 | 0,\r | |
607 | 0,\r | |
608 | (UINTN *) &TotalLen,\r | |
609 | u\r | |
610 | );\r | |
611 | }\r | |
612 | \r | |
613 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
614 | \r | |
615 | /**\r | |
616 | \r | |
617 | \r | |
618 | **/\r | |
619 | STATIC\r | |
620 | EFI_STATUS\r | |
621 | TftpRwReqwResp (\r | |
622 | UINT16 Req,\r | |
623 | UINT16 Options,\r | |
624 | PXE_BASECODE_DEVICE *Private,\r | |
625 | VOID *HeaderPtr,\r | |
626 | UINTN *PacketSizePtr,\r | |
627 | UINTN *ReplyLenPtr,\r | |
628 | VOID *BufferPtr,\r | |
629 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
630 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
631 | EFI_PXE_BASE_CODE_UDP_PORT *ServerReplyPortPtr,\r | |
632 | EFI_PXE_BASE_CODE_UDP_PORT *OurPortPtr,\r | |
633 | UINT8 *FilenamePtr,\r | |
634 | UINT16 Timeout\r | |
635 | )\r | |
636 | {\r | |
637 | EFI_STATUS Status;\r | |
638 | UINTN SaveReplyLen;\r | |
639 | INTN Retries;\r | |
640 | UINT8 Buffer[514];\r | |
641 | \r | |
642 | SaveReplyLen = *ReplyLenPtr;\r | |
643 | Retries = 3;\r | |
644 | Private->BigBlkNumFlag = FALSE;\r | |
645 | *OurPortPtr = 0;\r | |
646 | //\r | |
647 | // generate random\r | |
648 | //\r | |
649 | do {\r | |
650 | if (*OurPortPtr != 0) {\r | |
651 | if (++ *OurPortPtr == 0) {\r | |
652 | *OurPortPtr = PXE_RND_PORT_LOW;\r | |
653 | }\r | |
654 | }\r | |
655 | //\r | |
656 | // send request from our Ip = StationIp\r | |
657 | //\r | |
658 | if ((Status = TftpRwReq (\r | |
659 | Req,\r | |
660 | Options,\r | |
661 | Private,\r | |
662 | ServerIpPtr,\r | |
663 | ServerPortPtr,\r | |
664 | OurPortPtr,\r | |
665 | FilenamePtr,\r | |
666 | PacketSizePtr,\r | |
667 | Buffer\r | |
668 | )) != EFI_SUCCESS) {\r | |
669 | DEBUG (\r | |
670 | (DEBUG_WARN,\r | |
671 | "\nTftpRwReqwResp() Exit #1 %xh (%r)",\r | |
672 | Status,\r | |
673 | Status)\r | |
674 | );\r | |
675 | \r | |
676 | return Status;\r | |
677 | }\r | |
678 | //\r | |
679 | // read reply to our Ip = StationIp\r | |
680 | //\r | |
681 | *ReplyLenPtr = SaveReplyLen;\r | |
682 | \r | |
683 | Status = TftpUdpRead (\r | |
684 | Private,\r | |
685 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
686 | HeaderPtr,\r | |
687 | ReplyLenPtr,\r | |
688 | BufferPtr,\r | |
689 | ServerIpPtr,\r | |
690 | ServerReplyPortPtr,\r | |
691 | 0,\r | |
692 | OurPortPtr,\r | |
693 | Timeout\r | |
694 | );\r | |
695 | } while (Status == EFI_TIMEOUT && --Retries);\r | |
696 | \r | |
697 | if (!Options || Status != EFI_TFTP_ERROR) {\r | |
698 | DEBUG (\r | |
699 | (DEBUG_WARN,\r | |
700 | "\nTftpRwReqwResp() Exit #2 %xh (%r)",\r | |
701 | Status,\r | |
702 | Status)\r | |
703 | );\r | |
704 | return Status;\r | |
705 | }\r | |
706 | \r | |
707 | Status = TftpRwReqwResp (\r | |
708 | Req,\r | |
709 | 0,\r | |
710 | Private,\r | |
711 | HeaderPtr,\r | |
712 | PacketSizePtr,\r | |
713 | ReplyLenPtr,\r | |
714 | BufferPtr,\r | |
715 | ServerIpPtr,\r | |
716 | ServerPortPtr,\r | |
717 | ServerReplyPortPtr,\r | |
718 | OurPortPtr,\r | |
719 | FilenamePtr,\r | |
720 | Timeout\r | |
721 | );\r | |
722 | \r | |
723 | DEBUG ((DEBUG_WARN, "\nTftpRwReqwResp() Exit #3 %xh (%r)", Status, Status));\r | |
724 | \r | |
725 | return Status;\r | |
726 | }\r | |
727 | \r | |
728 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
729 | \r | |
730 | //\r | |
731 | // mtftp listen\r | |
732 | // read on mcast ip, cport, from sport, for data packet\r | |
733 | // returns success if gets multicast last packet or all up to last block\r | |
734 | // if not missing, then finished\r | |
735 | //\r | |
736 | \r | |
737 | /**\r | |
738 | \r | |
739 | \r | |
740 | **/\r | |
741 | STATIC\r | |
742 | EFI_STATUS\r | |
743 | MtftpListen (\r | |
744 | PXE_BASECODE_DEVICE *Private,\r | |
745 | UINT64 *BufferSizePtr,\r | |
746 | UINT8 *BufferPtr,\r | |
747 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
748 | EFI_PXE_BASE_CODE_MTFTP_INFO *MtftpInfoPtr,\r | |
749 | UINT64 *StartBlockPtr,\r | |
750 | UINTN *NumMissedPtr,\r | |
751 | UINT16 TransTimeout,\r | |
752 | UINT16 ListenTimeout,\r | |
753 | UINT64 FinalBlock,\r | |
754 | IN BOOLEAN DontUseBuffer\r | |
755 | )\r | |
756 | {\r | |
757 | EFI_STATUS Status;\r | |
758 | struct Tftpv4Ack Header;\r | |
759 | UINT64 Offset;\r | |
760 | UINT64 BlockNum;\r | |
761 | UINT64 LastBlockNum;\r | |
762 | UINT64 BufferSize;\r | |
763 | UINTN NumMissed;\r | |
764 | UINTN PacketSize;\r | |
765 | UINTN SaveReplyLen;\r | |
766 | UINTN ReplyLen;\r | |
767 | UINT16 Timeout;\r | |
768 | \r | |
769 | LastBlockNum = *StartBlockPtr;\r | |
770 | Timeout = ListenTimeout;\r | |
771 | *NumMissedPtr = 0;\r | |
772 | PacketSize = 0;\r | |
773 | BufferSize = *BufferSizePtr;\r | |
774 | ReplyLen = MAX_TFTP_PKT_SIZE;;\r | |
775 | \r | |
776 | //\r | |
777 | // receive\r | |
778 | //\r | |
779 | do {\r | |
780 | if ((SaveReplyLen = ReplyLen) > BufferSize) {\r | |
07e3550e | 781 | SaveReplyLen = 0;\r |
772db4bb | 782 | }\r |
783 | \r | |
784 | /* %%TBD - add big block number support */\r | |
785 | \r | |
786 | //\r | |
787 | // get data - loop on resends\r | |
788 | //\r | |
789 | do {\r | |
790 | ReplyLen = SaveReplyLen;\r | |
791 | \r | |
792 | if ((Status = TftpUdpRead (\r | |
793 | Private,\r | |
794 | 0,\r | |
795 | &Header,\r | |
796 | &ReplyLen,\r | |
797 | BufferPtr,\r | |
798 | ServerIpPtr,\r | |
799 | &MtftpInfoPtr->SPort,\r | |
800 | &MtftpInfoPtr->MCastIp,\r | |
801 | &MtftpInfoPtr->CPort,\r | |
802 | Timeout\r | |
803 | )) != EFI_SUCCESS) {\r | |
804 | return Status;\r | |
805 | }\r | |
806 | //\r | |
807 | // make sure a data packet\r | |
808 | //\r | |
809 | if (Header.OpCode != HTONS (TFTP_DATA)) {\r | |
810 | return EFI_PROTOCOL_ERROR;\r | |
811 | }\r | |
812 | } while ((BlockNum = NTOHS (Header.BlockNum)) == LastBlockNum);\r | |
813 | \r | |
814 | //\r | |
815 | // make sure still going up\r | |
816 | //\r | |
817 | if (LastBlockNum > BlockNum) {\r | |
818 | return EFI_PROTOCOL_ERROR;\r | |
819 | }\r | |
820 | \r | |
821 | if (BlockNum - LastBlockNum > 0xFFFFFFFF) {\r | |
822 | return EFI_PROTOCOL_ERROR;\r | |
823 | } else {\r | |
824 | NumMissed = (UINTN) (BlockNum - LastBlockNum - 1);\r | |
825 | }\r | |
826 | \r | |
827 | LastBlockNum = BlockNum;\r | |
828 | \r | |
829 | //\r | |
830 | // if first time through, some reinitialization\r | |
831 | //\r | |
832 | if (!PacketSize) {\r | |
833 | *StartBlockPtr = BlockNum;\r | |
834 | PacketSize = ReplyLen;\r | |
835 | Timeout = TransTimeout;\r | |
836 | } else {\r | |
837 | *NumMissedPtr = (UINT16) (*NumMissedPtr + NumMissed);\r | |
838 | }\r | |
839 | //\r | |
840 | // if missed packets, update start block,\r | |
841 | // etc. and move packet to proper place in buffer\r | |
842 | //\r | |
843 | if (NumMissed) {\r | |
844 | *StartBlockPtr = BlockNum;\r | |
845 | if (!DontUseBuffer) {\r | |
846 | Offset = NumMissed * PacketSize;\r | |
847 | CopyMem (BufferPtr + Offset, BufferPtr, ReplyLen);\r | |
848 | BufferPtr += Offset;\r | |
849 | BufferSize -= Offset;\r | |
850 | }\r | |
851 | }\r | |
852 | \r | |
853 | if (!DontUseBuffer) {\r | |
854 | BufferPtr += ReplyLen;\r | |
855 | BufferSize -= ReplyLen;\r | |
856 | }\r | |
857 | } while (ReplyLen == PacketSize && BlockNum != FinalBlock);\r | |
858 | \r | |
859 | *BufferSizePtr = BufferSize;\r | |
860 | \r | |
861 | return EFI_SUCCESS;\r | |
862 | }\r | |
863 | \r | |
864 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
865 | \r | |
866 | /**\r | |
867 | \r | |
868 | @return // mtftp open session\r | |
869 | @return // return code EFI_SUCCESS\r | |
870 | @return // and *CompletionStatusPtr = GOTUNI | GOTMULTI means done\r | |
871 | @return // and *CompletionStatusPtr = GOTMULTI means got first two multicast packets, use listen for rest\r | |
872 | @return // and *CompletionStatusPtr = 0 means did not get first two multicast packets, use listen for all\r | |
873 | @retval GOTUNI returns NO_DATA go will go to TFTP session)\r | |
874 | \r | |
875 | **/\r | |
876 | STATIC\r | |
877 | EFI_STATUS\r | |
878 | MtftpOpen (\r | |
879 | PXE_BASECODE_DEVICE * Private,\r | |
880 | UINT64 *BufferSizePtr,\r | |
881 | UINT8 *BufferPtr,\r | |
882 | UINTN *PacketSizePtr,\r | |
883 | EFI_IP_ADDRESS * ServerIpPtr,\r | |
884 | UINT8 *FilenamePtr,\r | |
885 | EFI_PXE_BASE_CODE_MTFTP_INFO * MtftpInfoPtr,\r | |
886 | UINT8 *CompletionStatusPtr,\r | |
887 | #define GOTUNI 1\r | |
888 | #define GOTMULTI 2\r | |
889 | IN BOOLEAN DontUseBuffer\r | |
890 | )\r | |
891 | {\r | |
892 | EFI_STATUS Status;\r | |
893 | EFI_IP_ADDRESS OurReplyIp;\r | |
894 | struct Tftpv4Ack Header;\r | |
895 | INTN ReplyLen;\r | |
896 | INTN Retries;\r | |
897 | UINT8 *BufferPtr2;\r | |
898 | UINT8 TmpBuf[514];\r | |
899 | \r | |
900 | Retries = NUM_MTFTP_OPEN_RETRIES;\r | |
901 | BufferPtr2 = BufferPtr;\r | |
902 | *PacketSizePtr = (UINTN) (MIN (*BufferSizePtr, MAX_TFTP_PKT_SIZE));\r | |
903 | \r | |
904 | do {\r | |
905 | //\r | |
906 | // send a read request\r | |
907 | //\r | |
908 | *CompletionStatusPtr = 0;\r | |
909 | \r | |
910 | if ((Status = TftpRwReq (\r | |
911 | TFTP_RRQ,\r | |
912 | 0,\r | |
913 | Private,\r | |
914 | ServerIpPtr,\r | |
915 | &MtftpInfoPtr->SPort,\r | |
916 | &MtftpInfoPtr->CPort,\r | |
917 | FilenamePtr,\r | |
918 | PacketSizePtr,\r | |
919 | TmpBuf\r | |
920 | )) != EFI_SUCCESS) {\r | |
921 | return Status;\r | |
922 | }\r | |
923 | \r | |
924 | for (;;) {\r | |
925 | //\r | |
926 | // read reply\r | |
927 | //\r | |
928 | ZeroMem (&OurReplyIp, Private->IpLength);\r | |
929 | ReplyLen = *PacketSizePtr;\r | |
930 | \r | |
931 | if ((Status = TftpUdpRead (\r | |
932 | Private,\r | |
933 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_USE_FILTER,\r | |
934 | &Header,\r | |
935 | (UINTN *) &ReplyLen,\r | |
936 | BufferPtr2,\r | |
937 | ServerIpPtr,\r | |
938 | &MtftpInfoPtr->SPort,\r | |
939 | &OurReplyIp,\r | |
940 | &MtftpInfoPtr->CPort,\r | |
941 | MtftpInfoPtr->TransmitTimeout\r | |
942 | )) == EFI_SUCCESS) {\r | |
943 | //\r | |
944 | // check for first data packet\r | |
945 | //\r | |
946 | if (Header.OpCode != HTONS (TFTP_DATA)) {\r | |
947 | return EFI_PROTOCOL_ERROR;\r | |
948 | }\r | |
949 | //\r | |
950 | // check block num\r | |
951 | //\r | |
952 | if (Header.BlockNum != HTONS (1)) {\r | |
953 | //\r | |
954 | // it's not first\r | |
955 | // if we are not the primary client,\r | |
956 | // we probably got first and now second\r | |
957 | // multicast but no unicast, so\r | |
958 | // *CompletionStatusPtr = GOTMULTI - if this is\r | |
959 | // the second, can just go on to listen\r | |
960 | // starting with 2 as the last block\r | |
961 | // received\r | |
962 | //\r | |
963 | if (Header.BlockNum != HTONS (2)) {\r | |
964 | //\r | |
965 | // not second\r | |
966 | //\r | |
967 | *CompletionStatusPtr = 0;\r | |
968 | }\r | |
969 | \r | |
970 | return Status;\r | |
971 | }\r | |
972 | \r | |
973 | //\r | |
974 | // now actual\r | |
975 | //\r | |
976 | *PacketSizePtr = ReplyLen;\r | |
977 | //\r | |
978 | // see if a unicast data packet\r | |
979 | //\r | |
980 | if (!CompareMem (\r | |
981 | &OurReplyIp,\r | |
982 | &Private->EfiBc.Mode->StationIp,\r | |
983 | Private->IpLength\r | |
984 | )) {\r | |
985 | *CompletionStatusPtr |= GOTUNI;\r | |
986 | //\r | |
987 | // it is\r | |
988 | // if already got multicast packet,\r | |
989 | // got em both\r | |
990 | //\r | |
991 | if (*CompletionStatusPtr & GOTMULTI) {\r | |
992 | break;\r | |
993 | }\r | |
994 | } else if (!CompareMem (\r | |
995 | &OurReplyIp,\r | |
996 | &MtftpInfoPtr->MCastIp,\r | |
997 | Private->IpLength\r | |
998 | )) {\r | |
999 | //\r | |
1000 | // otherwise see if a multicast data packet\r | |
1001 | //\r | |
1002 | *CompletionStatusPtr |= GOTMULTI;\r | |
1003 | //\r | |
1004 | // it is\r | |
1005 | // got first - bump pointer so that if\r | |
1006 | // second multi comes along, we're OK\r | |
1007 | //\r | |
1008 | if (!DontUseBuffer) {\r | |
1009 | BufferPtr2 = (UINT8 *) BufferPtr + ReplyLen;\r | |
1010 | }\r | |
1011 | //\r | |
1012 | // if already got unicast packet,\r | |
1013 | // got em both\r | |
1014 | //\r | |
1015 | if (*CompletionStatusPtr & GOTUNI) {\r | |
1016 | break;\r | |
1017 | }\r | |
1018 | } else {\r | |
1019 | //\r | |
1020 | // else protocol error\r | |
1021 | //\r | |
1022 | return EFI_PROTOCOL_ERROR;\r | |
1023 | }\r | |
1024 | } else if (Status == EFI_TIMEOUT) {\r | |
1025 | //\r | |
1026 | // bad return code - if timed out, retry\r | |
1027 | //\r | |
1028 | break;\r | |
1029 | } else {\r | |
1030 | //\r | |
1031 | // else just bad - failed MTFTP open\r | |
1032 | //\r | |
1033 | return Status;\r | |
1034 | }\r | |
1035 | }\r | |
1036 | } while (Status == EFI_TIMEOUT && --Retries);\r | |
1037 | \r | |
1038 | if (Status != EFI_SUCCESS) {\r | |
1039 | //\r | |
1040 | // open failed\r | |
1041 | //\r | |
1042 | return Status;\r | |
1043 | }\r | |
1044 | //\r | |
1045 | // got em both - go into receive mode\r | |
1046 | // routine to read rest of file after a successful open (TFTP or MTFTP)\r | |
1047 | // sends ACK and gets next data packet until short packet arrives,\r | |
1048 | // then sends ACK and (hopefully) times out\r | |
1049 | //\r | |
1050 | return LockStepReceive (\r | |
1051 | Private,\r | |
1052 | (UINT16) ReplyLen,\r | |
1053 | BufferSizePtr,\r | |
1054 | ReplyLen,\r | |
1055 | BufferPtr,\r | |
1056 | ServerIpPtr,\r | |
1057 | &MtftpInfoPtr->SPort,\r | |
1058 | &MtftpInfoPtr->MCastIp,\r | |
1059 | &MtftpInfoPtr->CPort,\r | |
1060 | 1,\r | |
1061 | MtftpInfoPtr->TransmitTimeout,\r | |
1062 | DontUseBuffer\r | |
1063 | );\r | |
1064 | }\r | |
1065 | \r | |
1066 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1067 | \r | |
1068 | /**\r | |
1069 | \r | |
1070 | \r | |
1071 | **/\r | |
1072 | STATIC\r | |
1073 | EFI_STATUS\r | |
1074 | MtftpDownload (\r | |
1075 | PXE_BASECODE_DEVICE *Private,\r | |
1076 | UINT64 *BufferSizePtr,\r | |
1077 | UINT8 *BufferPtr,\r | |
1078 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
1079 | UINT8 *FilenamePtr,\r | |
1080 | EFI_PXE_BASE_CODE_MTFTP_INFO *MtftpInfoPtr,\r | |
1081 | IN BOOLEAN DontUseBuffer\r | |
1082 | )\r | |
1083 | {\r | |
1084 | EFI_PXE_BASE_CODE_IP_FILTER Filter;\r | |
1085 | EFI_STATUS Status;\r | |
1086 | UINT64 StartBlock;\r | |
1087 | UINT64 LastBlock;\r | |
1088 | UINT64 LastStartBlock;\r | |
1089 | UINT64 BufferSize;\r | |
1090 | UINTN Offset;\r | |
1091 | UINTN NumMissed;\r | |
1092 | UINT16 TransTimeout;\r | |
1093 | UINT16 ListenTimeout;\r | |
1094 | UINT8 *BufferPtrLocal;\r | |
1095 | \r | |
1096 | TransTimeout = MtftpInfoPtr->TransmitTimeout;\r | |
1097 | ListenTimeout = MtftpInfoPtr->ListenTimeout;\r | |
1098 | LastBlock = 0;\r | |
1099 | LastStartBlock = 0;\r | |
1100 | Offset = 0;\r | |
1101 | \r | |
1102 | Filter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_BROADCAST;\r | |
1103 | Filter.IpCnt = 2;\r | |
67a58d0f | 1104 | CopyMem (&Filter.IpList[0], &Private->EfiBc.Mode->StationIp, sizeof (EFI_IP_ADDRESS));\r |
1105 | CopyMem (&Filter.IpList[1], &MtftpInfoPtr->MCastIp, sizeof (EFI_IP_ADDRESS));\r | |
772db4bb | 1106 | \r |
1107 | if ((Status = IpFilter (Private, &Filter)) != EFI_SUCCESS) {\r | |
1108 | return Status;\r | |
1109 | }\r | |
1110 | \r | |
1111 | for (;;) {\r | |
1112 | StartBlock = LastStartBlock;\r | |
1113 | BufferSize = *BufferSizePtr - Offset;\r | |
1114 | \r | |
1115 | if (DontUseBuffer) {\r | |
1116 | //\r | |
1117 | // overwrie the temp buf\r | |
1118 | //\r | |
1119 | BufferPtrLocal = BufferPtr;\r | |
1120 | } else {\r | |
1121 | BufferPtrLocal = BufferPtr + Offset;\r | |
1122 | \r | |
1123 | }\r | |
1124 | //\r | |
1125 | // special !!! do not leave enabled in saved version on Source Safe\r | |
1126 | // Following code put in in order to create a special version for regression\r | |
1127 | // test of MTFTP server to make sure it handles mulitple opens correctly.\r | |
1128 | // This code should NOT be enabled normally.\r | |
1129 | //\r | |
e48e37fc | 1130 | if (((Status = MtftpListen (\r |
772db4bb | 1131 | Private,\r |
1132 | &BufferSize,\r | |
1133 | BufferPtrLocal,\r | |
1134 | ServerIpPtr,\r | |
1135 | MtftpInfoPtr,\r | |
1136 | &StartBlock,\r | |
1137 | &NumMissed,\r | |
1138 | TransTimeout,\r | |
1139 | ListenTimeout,\r | |
1140 | LastBlock,\r | |
1141 | DontUseBuffer\r | |
1142 | )) != EFI_SUCCESS) && (Status != EFI_TIMEOUT)) {\r | |
1143 | return Status;\r | |
1144 | //\r | |
1145 | // failed\r | |
1146 | //\r | |
e48e37fc | 1147 | }\r |
772db4bb | 1148 | //\r |
1149 | // if none were received, start block is not reset\r | |
1150 | //\r | |
1151 | if (StartBlock == LastStartBlock) {\r | |
1152 | UINT8 CompStat;\r | |
1153 | \r | |
1154 | //\r | |
1155 | // timed out with none received - try MTFTP open\r | |
1156 | //\r | |
1157 | if ((Status = MtftpOpen (\r | |
1158 | Private,\r | |
1159 | BufferSizePtr,\r | |
1160 | BufferPtr,\r | |
1161 | &Offset,\r | |
1162 | ServerIpPtr,\r | |
1163 | FilenamePtr,\r | |
1164 | MtftpInfoPtr,\r | |
1165 | &CompStat,\r | |
1166 | DontUseBuffer\r | |
1167 | )) != EFI_SUCCESS) {\r | |
1168 | //\r | |
1169 | // open failure - try TFTP\r | |
1170 | //\r | |
1171 | return Status;\r | |
1172 | }\r | |
1173 | //\r | |
1174 | // return code EFI_SUCCESS\r | |
1175 | // and *CompletionStatusPtr = GOTUNI | GOTMULTI means done\r | |
1176 | // and *CompletionStatusPtr = GOTMULTI means got first two multicast packets, use listen for rest\r | |
1177 | // and *CompletionStatusPtr = 0 means did not get first two multicast packets, use listen for all\r | |
1178 | // (do not get = GOTUNI - returns NO_DATA go will go to TFTP session)\r | |
1179 | //\r | |
1180 | if (CompStat == (GOTUNI | GOTMULTI)) {\r | |
1181 | //\r | |
1182 | // finished - got it all\r | |
1183 | //\r | |
1184 | return Status;\r | |
1185 | }\r | |
1186 | \r | |
1187 | if (CompStat) {\r | |
1188 | //\r | |
1189 | // offset is two packet lengths\r | |
1190 | //\r | |
1191 | Offset <<= 1;\r | |
1192 | //\r | |
1193 | // last block received\r | |
1194 | //\r | |
1195 | LastStartBlock = 2;\r | |
1196 | } else {\r | |
1197 | Offset = 0;\r | |
1198 | LastStartBlock = 0;\r | |
1199 | }\r | |
1200 | \r | |
1201 | ListenTimeout = TransTimeout;\r | |
1202 | continue;\r | |
1203 | }\r | |
1204 | //\r | |
1205 | // did we get the last block\r | |
1206 | //\r | |
1207 | if (Status == EFI_SUCCESS) {\r | |
1208 | //\r | |
1209 | // yes - set the file size if this was first time\r | |
1210 | //\r | |
1211 | if (!LastBlock) {\r | |
1212 | *BufferSizePtr -= BufferSize;\r | |
1213 | }\r | |
1214 | //\r | |
1215 | // if buffer was too small, finished\r | |
1216 | //\r | |
1217 | if (!DontUseBuffer) {\r | |
1218 | return EFI_BUFFER_TOO_SMALL;\r | |
1219 | }\r | |
1220 | //\r | |
1221 | // if we got them all, finished\r | |
1222 | //\r | |
1223 | if (!NumMissed && StartBlock == LastStartBlock + 1) {\r | |
1224 | return Status;\r | |
1225 | }\r | |
1226 | //\r | |
1227 | // did not get them all - set last block\r | |
1228 | //\r | |
1229 | LastBlock = (UINT16) (StartBlock - 1);\r | |
1230 | }\r | |
1231 | //\r | |
1232 | // compute listen timeout\r | |
1233 | //\r | |
1234 | ListenTimeout = (UINT16) ((NumMissed > MtftpInfoPtr->ListenTimeout) ? 0 : (MtftpInfoPtr->ListenTimeout - NumMissed));\r | |
1235 | \r | |
1236 | //\r | |
1237 | // reset\r | |
1238 | //\r | |
1239 | Offset = 0;\r | |
1240 | LastStartBlock = 0;\r | |
1241 | }\r | |
1242 | }\r | |
1243 | \r | |
1244 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1245 | \r | |
1246 | /**\r | |
1247 | \r | |
1248 | \r | |
1249 | **/\r | |
1250 | STATIC\r | |
1251 | EFI_STATUS\r | |
1252 | TftpInfo (\r | |
1253 | PXE_BASECODE_DEVICE *Private,\r | |
1254 | UINT64 *BufferSizePtr,\r | |
1255 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
1256 | EFI_PXE_BASE_CODE_UDP_PORT SrvPort,\r | |
1257 | UINT8 *FilenamePtr,\r | |
1258 | UINTN *PacketSizePtr\r | |
1259 | )\r | |
1260 | {\r | |
1261 | EFI_PXE_BASE_CODE_UDP_PORT OurPort;\r | |
1262 | EFI_PXE_BASE_CODE_UDP_PORT ServerReplyPort;\r | |
1263 | EFI_STATUS Status;\r | |
1264 | UINT64 BlockNum;\r | |
1265 | UINTN Offset;\r | |
1266 | UINTN ReplyLen;\r | |
1267 | UINT8 *Ptr;\r | |
1268 | \r | |
1269 | union {\r | |
1270 | struct Tftpv4Oack OAck2Ptr;\r | |
1271 | struct Tftpv4Ack Ack2Ptr;\r | |
1272 | struct Tftpv4Data Datastr;\r | |
1273 | } u;\r | |
1274 | \r | |
1275 | OurPort = 0;\r | |
1276 | ServerReplyPort = 0;\r | |
1277 | ReplyLen = sizeof (u.Datastr.Data);\r | |
1278 | \r | |
1279 | //\r | |
1280 | // send a write request with the blocksize option -\r | |
1281 | // sets our IP and port - and receive reply - sets his port\r | |
1282 | // will retry operation up to 3 times if no response,\r | |
1283 | // and will retry without options on an error reply\r | |
1284 | //\r | |
1285 | if ((Status = TftpRwReqwResp (\r | |
1286 | TFTP_RRQ,\r | |
1287 | /* BIGBLKNUMOP | */BKSZOP | TSIZEOP,\r | |
1288 | Private,\r | |
1289 | &u,\r | |
1290 | PacketSizePtr,\r | |
1291 | &ReplyLen,\r | |
1292 | u.Datastr.Data,\r | |
1293 | ServerIpPtr,\r | |
1294 | &SrvPort,\r | |
1295 | &ServerReplyPort,\r | |
1296 | &OurPort,\r | |
1297 | FilenamePtr,\r | |
1298 | REQ_RESP_TIMEOUT\r | |
1299 | )) != EFI_SUCCESS) {\r | |
1300 | DEBUG ((DEBUG_WARN, "\nTftpInfo() Exit #1"));\r | |
1301 | return Status;\r | |
1302 | }\r | |
1303 | //\r | |
1304 | // check for good OACK\r | |
1305 | //\r | |
1306 | if (u.OAck2Ptr.OpCode == HTONS (TFTP_OACK)) {\r | |
1307 | //\r | |
1308 | // now parse it for options\r | |
1309 | // bigblk#\r | |
1310 | //\r | |
1311 | Ptr = FindOption (\r | |
1312 | BigBlkNumOp,\r | |
1313 | sizeof (BigBlkNumOp),\r | |
1314 | u.OAck2Ptr.OpAck[0].Option,\r | |
1315 | ReplyLen + sizeof (u.Ack2Ptr.BlockNum)\r | |
1316 | );\r | |
1317 | \r | |
1318 | if (Ptr != NULL) {\r | |
1319 | if (AtoU (Ptr) == 8) {\r | |
1320 | Private->BigBlkNumFlag = TRUE;\r | |
1321 | } else {\r | |
1322 | return EFI_PROTOCOL_ERROR;\r | |
1323 | }\r | |
1324 | }\r | |
1325 | //\r | |
1326 | // blksize\r | |
1327 | //\r | |
1328 | Ptr = FindOption (\r | |
1329 | BlockSizeOp,\r | |
1330 | sizeof (BlockSizeOp),\r | |
1331 | u.OAck2Ptr.OpAck[0].Option,\r | |
1332 | ReplyLen += sizeof (u.Ack2Ptr.BlockNum)\r | |
1333 | );\r | |
1334 | \r | |
1335 | *PacketSizePtr = (Ptr) ? AtoU (Ptr) : 512;\r | |
1336 | \r | |
1337 | //\r | |
1338 | // tsize\r | |
1339 | //\r | |
1340 | Ptr = FindOption (\r | |
1341 | TsizeOp,\r | |
1342 | sizeof (TsizeOp),\r | |
1343 | u.OAck2Ptr.OpAck[0].Option,\r | |
1344 | ReplyLen\r | |
1345 | );\r | |
1346 | \r | |
1347 | if (Ptr != NULL) {\r | |
1348 | *BufferSizePtr = AtoU64 (Ptr);\r | |
1349 | \r | |
1350 | //\r | |
1351 | // teminate session with error\r | |
1352 | //\r | |
1353 | SendError (Private, ServerIpPtr, &ServerReplyPort, &OurPort);\r | |
1354 | \r | |
1355 | return EFI_SUCCESS;\r | |
1356 | }\r | |
1357 | \r | |
1358 | Offset = 0;\r | |
1359 | BlockNum = 0;\r | |
1360 | } else {\r | |
1361 | //\r | |
1362 | // if MTFTP get filesize, return unsupported\r | |
1363 | //\r | |
1364 | if (SrvPort != TftpRequestPort) {\r | |
1365 | SendError (Private, ServerIpPtr, &ServerReplyPort, &OurPort);\r | |
1366 | DEBUG ((DEBUG_WARN, "\nTftpInfo() Exit #3"));\r | |
1367 | return EFI_UNSUPPORTED;\r | |
1368 | }\r | |
1369 | \r | |
1370 | Offset = ReplyLen;\r | |
1371 | //\r | |
1372 | // last block received\r | |
1373 | //\r | |
1374 | BlockNum = 1;\r | |
1375 | }\r | |
1376 | //\r | |
1377 | // does not support the option - do a download with no buffer\r | |
1378 | //\r | |
1379 | *BufferSizePtr = 0;\r | |
1380 | \r | |
1381 | Status = LockStepReceive (\r | |
1382 | Private,\r | |
1383 | (UINT16) ReplyLen,\r | |
1384 | BufferSizePtr,\r | |
1385 | Offset,\r | |
687a2e5f | 1386 | (UINT8 *) &u,\r |
772db4bb | 1387 | ServerIpPtr,\r |
1388 | &ServerReplyPort,\r | |
1389 | &Private->EfiBc.Mode->StationIp,\r | |
1390 | &OurPort,\r | |
1391 | BlockNum,\r | |
1392 | ACK_TIMEOUT,\r | |
1393 | TRUE\r | |
1394 | );\r | |
1395 | \r | |
1396 | if (Status != EFI_SUCCESS) {\r | |
1397 | DEBUG ((DEBUG_WARN, "\nTftpInfo() LockStepReceive() == %Xh", Status));\r | |
1398 | }\r | |
1399 | \r | |
1400 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1401 | return Status;\r | |
1402 | }\r | |
1403 | \r | |
1404 | return EFI_SUCCESS;\r | |
1405 | }\r | |
1406 | \r | |
1407 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1408 | \r | |
1409 | /**\r | |
1410 | \r | |
1411 | \r | |
1412 | **/\r | |
1413 | STATIC\r | |
1414 | EFI_STATUS\r | |
1415 | TftpDownload (\r | |
1416 | PXE_BASECODE_DEVICE *Private,\r | |
1417 | UINT64 *BufferSizePtr,\r | |
1418 | UINT8 *BufferPtr,\r | |
1419 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
1420 | UINT8 *FilenamePtr,\r | |
1421 | UINTN *PacketSizePtr,\r | |
1422 | EFI_PXE_BASE_CODE_UDP_PORT SrvPort,\r | |
1423 | UINT16 Req,\r | |
1424 | IN BOOLEAN DontUseBuffer\r | |
1425 | )\r | |
1426 | {\r | |
1427 | EFI_PXE_BASE_CODE_UDP_PORT OurPort;\r | |
1428 | EFI_PXE_BASE_CODE_UDP_PORT ServerReplyPort;\r | |
1429 | EFI_STATUS Status;\r | |
1430 | UINT64 Offset;\r | |
1431 | UINT64 BlockNum;\r | |
1432 | UINTN ReplyLen;\r | |
1433 | UINT8 *Ptr;\r | |
1434 | \r | |
1435 | union {\r | |
1436 | struct Tftpv4Ack Ack2Ptr;\r | |
1437 | struct Tftpv4Oack OAck2Ptr;\r | |
1438 | struct Tftpv4Data Data;\r | |
1439 | struct Tftpv4Ack8 Ack8Ptr;\r | |
1440 | struct Tftpv4Data8 Data8;\r | |
1441 | } U;\r | |
1442 | \r | |
1443 | OurPort = 0;\r | |
1444 | ServerReplyPort = 0;\r | |
1445 | ReplyLen = (UINTN) ((*BufferSizePtr > 0xFFFF) ? 0xFFFF : *BufferSizePtr);\r | |
1446 | \r | |
1447 | //\r | |
1448 | // send a read request with the blocksize option - sets our IP and port\r | |
1449 | // - and receive reply - sets his port will retry operation up to 3\r | |
1450 | // times if no response, and will retry without options on an error\r | |
1451 | // reply\r | |
1452 | //\r | |
1453 | if ((Status = TftpRwReqwResp (\r | |
1454 | Req,\r | |
1455 | /* BIGBLKNUMOP | */BKSZOP,\r | |
1456 | Private,\r | |
1457 | &U,\r | |
1458 | PacketSizePtr,\r | |
1459 | &ReplyLen,\r | |
1460 | BufferPtr,\r | |
1461 | ServerIpPtr,\r | |
1462 | &SrvPort,\r | |
1463 | &ServerReplyPort,\r | |
1464 | &OurPort,\r | |
1465 | FilenamePtr,\r | |
1466 | REQ_RESP_TIMEOUT\r | |
1467 | )) != EFI_SUCCESS) {\r | |
1468 | DEBUG ((DEBUG_WARN, "\nTftpDownload() Exit #1 %xh (%r)", Status, Status));\r | |
1469 | return Status;\r | |
1470 | }\r | |
1471 | //\r | |
1472 | // check for OACK\r | |
1473 | //\r | |
1474 | if (U.OAck2Ptr.OpCode == HTONS (TFTP_OACK)) {\r | |
1475 | //\r | |
1476 | // get the OACK\r | |
1477 | //\r | |
1478 | CopyMem (U.Data.Data, BufferPtr, ReplyLen);\r | |
1479 | \r | |
1480 | Ptr = FindOption (\r | |
1481 | BigBlkNumOp,\r | |
1482 | sizeof (BigBlkNumOp),\r | |
1483 | U.OAck2Ptr.OpAck[0].Option,\r | |
1484 | ReplyLen + sizeof (U.Ack2Ptr.BlockNum)\r | |
1485 | );\r | |
1486 | \r | |
1487 | if (Ptr != NULL) {\r | |
1488 | if (AtoU (Ptr) == 8) {\r | |
1489 | Private->BigBlkNumFlag = TRUE;\r | |
1490 | } else {\r | |
1491 | return EFI_PROTOCOL_ERROR;\r | |
1492 | }\r | |
1493 | }\r | |
1494 | //\r | |
1495 | // now parse it for blocksize option\r | |
1496 | //\r | |
1497 | Ptr = FindOption (\r | |
1498 | BlockSizeOp,\r | |
1499 | sizeof (BlockSizeOp),\r | |
1500 | U.OAck2Ptr.OpAck[0].Option,\r | |
1501 | ReplyLen += sizeof (U.Ack2Ptr.BlockNum)\r | |
1502 | );\r | |
1503 | \r | |
1504 | ReplyLen = (Ptr != NULL) ? AtoU (Ptr) : 512;\r | |
1505 | \r | |
1506 | Offset = 0;\r | |
1507 | //\r | |
1508 | // last block received\r | |
1509 | //\r | |
1510 | BlockNum = 0;\r | |
1511 | } else if (U.Ack2Ptr.OpCode != HTONS (TFTP_DATA) || U.Ack2Ptr.BlockNum != HTONS (1)) {\r | |
1512 | //\r | |
1513 | // or data\r | |
1514 | //\r | |
1515 | DEBUG ((DEBUG_WARN, "\nTftpDownload() Exit #2 %xh (%r)", Status, Status));\r | |
1516 | \r | |
1517 | return EFI_PROTOCOL_ERROR;\r | |
1518 | } else {\r | |
1519 | //\r | |
1520 | // got good data packet\r | |
1521 | //\r | |
1522 | Offset = ReplyLen;\r | |
1523 | //\r | |
1524 | // last block received\r | |
1525 | //\r | |
1526 | BlockNum = 1;\r | |
1527 | }\r | |
1528 | \r | |
1529 | if (PacketSizePtr != NULL) {\r | |
1530 | *PacketSizePtr = ReplyLen;\r | |
1531 | }\r | |
1532 | //\r | |
1533 | // routine to read rest of file after a successful open (TFTP or MTFTP)\r | |
1534 | // sends ACK and gets next data packet until short packet arrives, then sends\r | |
1535 | // ACK and (hopefully) times out\r | |
1536 | // if first packet has been read, BufferPtr and BufferSize must reflect fact\r | |
1537 | //\r | |
1538 | Status = LockStepReceive (\r | |
1539 | Private,\r | |
1540 | ReplyLen,\r | |
1541 | BufferSizePtr,\r | |
1542 | Offset,\r | |
1543 | BufferPtr,\r | |
1544 | ServerIpPtr,\r | |
1545 | &ServerReplyPort,\r | |
1546 | &Private->EfiBc.Mode->StationIp,\r | |
1547 | &OurPort,\r | |
1548 | BlockNum,\r | |
1549 | ACK_TIMEOUT,\r | |
1550 | DontUseBuffer\r | |
1551 | );\r | |
1552 | \r | |
1553 | if (Status != EFI_SUCCESS) {\r | |
1554 | DEBUG ((DEBUG_WARN, "\nTftpDownload() Exit #3 %xh (%r)", Status, Status));\r | |
1555 | \r | |
1556 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1557 | Status = TftpInfo (\r | |
1558 | Private,\r | |
1559 | BufferSizePtr,\r | |
1560 | ServerIpPtr,\r | |
1561 | SrvPort,\r | |
1562 | FilenamePtr,\r | |
1563 | PacketSizePtr\r | |
1564 | );\r | |
1565 | \r | |
1566 | if (!EFI_ERROR (Status)) {\r | |
1567 | Status = EFI_BUFFER_TOO_SMALL;\r | |
1568 | }\r | |
1569 | }\r | |
1570 | }\r | |
1571 | \r | |
1572 | return Status;\r | |
1573 | }\r | |
1574 | \r | |
1575 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1576 | \r | |
1577 | /**\r | |
1578 | \r | |
1579 | \r | |
1580 | **/\r | |
1581 | STATIC\r | |
1582 | EFI_STATUS\r | |
1583 | TftpUpload (\r | |
1584 | PXE_BASECODE_DEVICE *Private,\r | |
1585 | UINT64 *BufferSizePtr,\r | |
1586 | VOID *BufferPtr,\r | |
1587 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
1588 | UINT8 *FilenamePtr,\r | |
1589 | UINTN *PacketSizePtr,\r | |
1590 | BOOLEAN Overwrite\r | |
1591 | )\r | |
1592 | {\r | |
1593 | struct Tftpv4Ack Header;\r | |
1594 | EFI_PXE_BASE_CODE_UDP_PORT OurPort;\r | |
1595 | EFI_PXE_BASE_CODE_UDP_PORT ServerReplyPort;\r | |
1596 | EFI_STATUS Status;\r | |
1597 | UINT64 BlockNum;\r | |
1598 | UINT64 TransferSize;\r | |
1599 | UINTN ReplyLen;\r | |
1600 | UINTN TransferLen;\r | |
1601 | UINT16 Options;\r | |
1602 | UINT8 *Ptr;\r | |
1603 | \r | |
1604 | union {\r | |
1605 | struct Tftpv4Oack OAck2Ptr;\r | |
1606 | struct Tftpv4Ack Ack2Ptr;\r | |
1607 | struct Tftpv4Data Datastr;\r | |
1608 | } u;\r | |
1609 | \r | |
1610 | OurPort = 0;\r | |
1611 | ServerReplyPort = 0;\r | |
1612 | TransferSize = *BufferSizePtr;\r | |
1613 | ReplyLen = sizeof (u.Datastr.Data);\r | |
1614 | Options = (UINT16) ((Overwrite) ? OVERWRITEOP | BKSZOP : BKSZOP);\r | |
1615 | \r | |
1616 | //\r | |
1617 | // send a write request with the blocksize option - sets our IP and port -\r | |
1618 | // and receive reply - sets his port\r | |
1619 | // will retry operation up to 3 times if no response, and will retry without\r | |
1620 | // options on an error reply\r | |
1621 | //\r | |
1622 | if ((Status = TftpRwReqwResp (\r | |
1623 | TFTP_WRQ,\r | |
1624 | Options,\r | |
1625 | Private,\r | |
1626 | &u,\r | |
1627 | PacketSizePtr,\r | |
1628 | &ReplyLen,\r | |
1629 | u.Datastr.Data,\r | |
1630 | ServerIpPtr,\r | |
1631 | &TftpRequestPort,\r | |
1632 | &ServerReplyPort,\r | |
1633 | &OurPort,\r | |
1634 | FilenamePtr,\r | |
1635 | REQ_RESP_TIMEOUT\r | |
1636 | )) != EFI_SUCCESS) {\r | |
1637 | return Status;\r | |
1638 | }\r | |
1639 | //\r | |
1640 | // check for OACK\r | |
1641 | //\r | |
1642 | if (u.OAck2Ptr.OpCode == HTONS (TFTP_OACK)) {\r | |
1643 | //\r | |
1644 | // parse it for blocksize option\r | |
1645 | //\r | |
1646 | Ptr = FindOption (\r | |
1647 | BlockSizeOp,\r | |
1648 | sizeof (BlockSizeOp),\r | |
1649 | u.OAck2Ptr.OpAck[0].Option,\r | |
1650 | ReplyLen += sizeof (u.Ack2Ptr.BlockNum)\r | |
1651 | );\r | |
1652 | *PacketSizePtr = (Ptr) ? AtoU (Ptr) : 512;\r | |
1653 | }\r | |
1654 | //\r | |
1655 | // or ACK\r | |
1656 | //\r | |
1657 | else if (u.Ack2Ptr.OpCode == HTONS (TFTP_ACK)) {\r | |
1658 | //\r | |
1659 | // option was not supported\r | |
1660 | //\r | |
1661 | *PacketSizePtr = 512;\r | |
1662 | } else {\r | |
1663 | return EFI_PROTOCOL_ERROR;\r | |
1664 | }\r | |
1665 | //\r | |
1666 | // loop\r | |
1667 | //\r | |
1668 | Header.OpCode = HTONS (TFTP_DATA);\r | |
1669 | BlockNum = 1;\r | |
1670 | Header.BlockNum = HTONS (1);\r | |
1671 | \r | |
1672 | do {\r | |
1673 | UINTN HeaderSize;\r | |
1674 | INTN Retries;\r | |
1675 | \r | |
1676 | Retries = NUM_ACK_RETRIES;\r | |
1677 | HeaderSize = sizeof (Header);\r | |
1678 | TransferLen = (UINTN) (MIN (*PacketSizePtr, TransferSize));\r | |
1679 | \r | |
1680 | //\r | |
1681 | // write a data packet and get an ack\r | |
1682 | //\r | |
1683 | do {\r | |
1684 | //\r | |
1685 | // write\r | |
1686 | //\r | |
1687 | if ((Status = UdpWrite (\r | |
1688 | Private,\r | |
1689 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_MAY_FRAGMENT,\r | |
1690 | ServerIpPtr,\r | |
1691 | &ServerReplyPort,\r | |
1692 | 0,\r | |
1693 | 0,\r | |
1694 | &OurPort,\r | |
1695 | &HeaderSize,\r | |
1696 | &Header,\r | |
1697 | &TransferLen,\r | |
1698 | BufferPtr\r | |
1699 | )) != EFI_SUCCESS) {\r | |
1700 | return Status;\r | |
1701 | }\r | |
1702 | //\r | |
1703 | // read reply\r | |
1704 | //\r | |
1705 | ReplyLen = sizeof (u.Datastr.Data);\r | |
1706 | \r | |
1707 | if ((Status = TftpUdpRead (\r | |
1708 | Private,\r | |
1709 | 0,\r | |
1710 | &u,\r | |
1711 | &ReplyLen,\r | |
1712 | u.Datastr.Data,\r | |
1713 | ServerIpPtr,\r | |
1714 | &ServerReplyPort,\r | |
1715 | 0,\r | |
1716 | &OurPort,\r | |
1717 | ACK_TIMEOUT\r | |
1718 | )) == EFI_SUCCESS) {\r | |
1719 | //\r | |
1720 | // check for ACK for this data packet\r | |
1721 | //\r | |
1722 | if (u.Ack2Ptr.OpCode != HTONS (TFTP_ACK)) {\r | |
1723 | return EFI_PROTOCOL_ERROR;\r | |
1724 | }\r | |
1725 | \r | |
1726 | if (u.Ack2Ptr.BlockNum != Header.BlockNum) {\r | |
1727 | //\r | |
1728 | // not for this packet - continue\r | |
1729 | //\r | |
1730 | Status = EFI_TIMEOUT;\r | |
1731 | }\r | |
1732 | }\r | |
1733 | } while (Status == EFI_TIMEOUT && --Retries);\r | |
1734 | \r | |
1735 | if (Status != EFI_SUCCESS) {\r | |
1736 | return Status;\r | |
1737 | }\r | |
1738 | \r | |
1739 | BufferPtr = (VOID *) ((UINT8 *) (BufferPtr) + TransferLen);\r | |
1740 | TransferSize -= TransferLen;\r | |
1741 | ++BlockNum;\r | |
1742 | Header.BlockNum = HTONS ((UINT16) BlockNum);\r | |
1743 | } while (TransferLen == *PacketSizePtr);\r | |
1744 | \r | |
1745 | return EFI_SUCCESS;\r | |
1746 | }\r | |
1747 | \r | |
1748 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1749 | \r | |
1750 | /**\r | |
1751 | \r | |
1752 | @return * EFI_INVALID_PARAMETER\r | |
1753 | @return * EFI_OUT_OF_RESOURCES\r | |
1754 | @return * EFI_BAD_BUFFER_SIZE\r | |
1755 | @return * Status is also returned from IpFilter(), TftpInfo(), MtftpDownload(),\r | |
1756 | @return * TftpDownload() and TftpUpload().\r | |
1757 | \r | |
1758 | **/\r | |
1759 | EFI_STATUS\r | |
1760 | PxeBcMtftp (\r | |
1761 | PXE_BASECODE_DEVICE *Private,\r | |
1762 | IN EFI_PXE_BASE_CODE_TFTP_OPCODE Operation,\r | |
1763 | UINT64 *BufferSizePtr,\r | |
1764 | VOID *BufferPtr,\r | |
1765 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
1766 | UINT8 *FilenamePtr,\r | |
1767 | UINTN *PacketSizePtr,\r | |
1768 | IN EFI_PXE_BASE_CODE_MTFTP_INFO *MtftpInfoPtr, OPTIONAL\r | |
1769 | IN BOOLEAN Overwrite,\r | |
1770 | IN BOOLEAN DontUseBuffer\r | |
1771 | )\r | |
1772 | {\r | |
1773 | EFI_PXE_BASE_CODE_IP_FILTER Filter;\r | |
1774 | EFI_STATUS StatCode;\r | |
1775 | EFI_STATUS Status;\r | |
1776 | UINT64 BufferSizeLocal;\r | |
1777 | UINTN PacketSize;\r | |
1778 | UINT8 *BufferPtrLocal;\r | |
1779 | \r | |
1780 | Filter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP;\r | |
1781 | Filter.IpCnt = 0;\r | |
1782 | Filter.reserved = 0;\r | |
1783 | \r | |
1784 | /* No error has occurred, yet. */\r | |
1785 | Private->EfiBc.Mode->TftpErrorReceived = FALSE;\r | |
1786 | \r | |
1787 | /* We must at least have an MTFTP server IP address and\r | |
1788 | * a pointer to the buffer size.\r | |
1789 | */\r | |
1790 | if (!ServerIpPtr || !BufferSizePtr) {\r | |
1791 | DEBUG ((DEBUG_WARN, "\nPxeBcMtftp() Exit #1"));\r | |
1792 | \r | |
1793 | return EFI_INVALID_PARAMETER;\r | |
1794 | }\r | |
1795 | \r | |
1796 | Private->Function = EFI_PXE_BASE_CODE_FUNCTION_MTFTP;\r | |
1797 | \r | |
1798 | //\r | |
1799 | // make sure filter set to unicast at start\r | |
1800 | //\r | |
1801 | if ((StatCode = IpFilter (Private, &Filter)) != EFI_SUCCESS) {\r | |
1802 | DEBUG (\r | |
1803 | (DEBUG_NET,\r | |
1804 | "\nPxeBcMtftp() Exit IpFilter() == %Xh",\r | |
1805 | StatCode)\r | |
1806 | );\r | |
1807 | \r | |
1808 | return StatCode;\r | |
1809 | }\r | |
1810 | //\r | |
1811 | // set unset parms to default values\r | |
1812 | //\r | |
1813 | if (!PacketSizePtr) {\r | |
1814 | *(PacketSizePtr = &PacketSize) = MAX_TFTP_PKT_SIZE;\r | |
1815 | }\r | |
1816 | \r | |
07e3550e | 1817 | if ((*PacketSizePtr > *BufferSizePtr) &&\r |
1818 | (Operation != EFI_PXE_BASE_CODE_TFTP_GET_FILE_SIZE) &&\r | |
1819 | (Operation != EFI_PXE_BASE_CODE_MTFTP_GET_FILE_SIZE)) {\r | |
1820 | *PacketSizePtr = MAX ((UINTN) *BufferSizePtr, MIN_TFTP_PKT_SIZE);\r | |
772db4bb | 1821 | }\r |
1822 | \r | |
1823 | if (*PacketSizePtr < MIN_TFTP_PKT_SIZE) {\r | |
1824 | *PacketSizePtr = MIN_TFTP_PKT_SIZE;\r | |
1825 | return EFI_INVALID_PARAMETER;\r | |
1826 | }\r | |
1827 | \r | |
1828 | if (*PacketSizePtr > BUFFER_ALLOCATE_SIZE) {\r | |
1829 | *PacketSizePtr = BUFFER_ALLOCATE_SIZE;\r | |
1830 | }\r | |
1831 | \r | |
1832 | if (*PacketSizePtr > MAX_TFTP_PKT_SIZE) {\r | |
1833 | *PacketSizePtr = MAX_TFTP_PKT_SIZE;\r | |
1834 | }\r | |
1835 | \r | |
1836 | if (Operation == EFI_PXE_BASE_CODE_TFTP_GET_FILE_SIZE) {\r | |
1837 | StatCode = TftpInfo (\r | |
1838 | Private,\r | |
1839 | BufferSizePtr,\r | |
1840 | ServerIpPtr,\r | |
1841 | TftpRequestPort,\r | |
1842 | FilenamePtr,\r | |
1843 | PacketSizePtr\r | |
1844 | );\r | |
1845 | \r | |
1846 | if (StatCode != EFI_SUCCESS) {\r | |
1847 | DEBUG (\r | |
1848 | (DEBUG_WARN,\r | |
1849 | "\nPxeBcMtftp() Exit TftpInfo() == %Xh",\r | |
1850 | StatCode)\r | |
1851 | );\r | |
1852 | }\r | |
1853 | \r | |
1854 | return StatCode;\r | |
1855 | }\r | |
1856 | \r | |
1857 | if (Operation == EFI_PXE_BASE_CODE_MTFTP_GET_FILE_SIZE) {\r | |
1858 | if (!MtftpInfoPtr || !MtftpInfoPtr->SPort) {\r | |
1859 | DEBUG ((DEBUG_WARN, "\nPxeBcMtftp() Exit #2"));\r | |
1860 | return EFI_INVALID_PARAMETER;\r | |
1861 | } else {\r | |
1862 | StatCode = TftpInfo (\r | |
1863 | Private,\r | |
1864 | BufferSizePtr,\r | |
1865 | ServerIpPtr,\r | |
1866 | MtftpInfoPtr->SPort,\r | |
1867 | FilenamePtr,\r | |
1868 | PacketSizePtr\r | |
1869 | );\r | |
1870 | \r | |
1871 | gBS->Stall (10000);\r | |
1872 | \r | |
1873 | if (StatCode != EFI_SUCCESS) {\r | |
1874 | DEBUG (\r | |
1875 | (DEBUG_WARN,\r | |
1876 | "\nPxeBcMtftp() Exit TftpInfo() == %Xh",\r | |
1877 | StatCode)\r | |
1878 | );\r | |
1879 | }\r | |
1880 | \r | |
1881 | return StatCode;\r | |
1882 | }\r | |
1883 | }\r | |
1884 | \r | |
1885 | if (!BufferPtr && !DontUseBuffer) {\r | |
1886 | //\r | |
1887 | // if dontusebuffer is false and no buffer???\r | |
1888 | //\r | |
1889 | DEBUG ((DEBUG_WARN, "\nPxeBcMtftp() Exit #3"));\r | |
1890 | //\r | |
1891 | // DontUseBuffer can be true only for read_file operation\r | |
1892 | //\r | |
1893 | return EFI_INVALID_PARAMETER;\r | |
1894 | }\r | |
1895 | \r | |
1896 | if (DontUseBuffer) {\r | |
1897 | Status = gBS->AllocatePool (\r | |
1898 | EfiBootServicesData,\r | |
1899 | BUFFER_ALLOCATE_SIZE,\r | |
687a2e5f | 1900 | (VOID **) &BufferPtrLocal\r |
772db4bb | 1901 | );\r |
1902 | \r | |
1903 | if (EFI_ERROR (Status) || BufferPtrLocal == NULL) {\r | |
1904 | DEBUG ((DEBUG_NET, "\nPxeBcMtftp() Exit #4"));\r | |
1905 | return EFI_OUT_OF_RESOURCES;\r | |
1906 | }\r | |
1907 | \r | |
1908 | BufferSizeLocal = BUFFER_ALLOCATE_SIZE;\r | |
1909 | } else {\r | |
1910 | if (!*BufferSizePtr && Operation != EFI_PXE_BASE_CODE_TFTP_WRITE_FILE) {\r | |
1911 | DEBUG ((DEBUG_WARN, "\nPxeBcMtftp() Exit #5"));\r | |
1912 | return EFI_BAD_BUFFER_SIZE;\r | |
1913 | }\r | |
1914 | \r | |
1915 | BufferPtrLocal = BufferPtr;\r | |
1916 | BufferSizeLocal = *BufferSizePtr;\r | |
1917 | }\r | |
1918 | \r | |
1919 | switch (Operation) {\r | |
1920 | case EFI_PXE_BASE_CODE_MTFTP_READ_FILE:\r | |
1921 | if (FilenamePtr == NULL ||\r | |
1922 | MtftpInfoPtr == NULL ||\r | |
1923 | MtftpInfoPtr->MCastIp.Addr[0] == 0 ||\r | |
1924 | MtftpInfoPtr->SPort == 0 ||\r | |
1925 | MtftpInfoPtr->CPort == 0 ||\r | |
1926 | MtftpInfoPtr->ListenTimeout == 0 ||\r | |
1927 | MtftpInfoPtr->TransmitTimeout == 0\r | |
1928 | ) {\r | |
1929 | StatCode = EFI_INVALID_PARAMETER;\r | |
1930 | break;\r | |
1931 | }\r | |
1932 | //\r | |
1933 | // try MTFTP - if fails, drop into TFTP read\r | |
1934 | //\r | |
1935 | if ((StatCode = MtftpDownload (\r | |
1936 | Private,\r | |
1937 | &BufferSizeLocal,\r | |
1938 | BufferPtrLocal,\r | |
1939 | ServerIpPtr,\r | |
1940 | FilenamePtr,\r | |
1941 | MtftpInfoPtr,\r | |
1942 | DontUseBuffer\r | |
1943 | )) == EFI_SUCCESS || StatCode == EFI_BUFFER_TOO_SMALL) {\r | |
1944 | if (BufferSizePtr /* %% !DontUseBuffer */ ) {\r | |
1945 | *BufferSizePtr = BufferSizeLocal;\r | |
1946 | }\r | |
1947 | \r | |
1948 | break;\r | |
1949 | }\r | |
1950 | //\r | |
1951 | // go back to unicast\r | |
1952 | //\r | |
1953 | if ((StatCode = IpFilter (Private, &Filter)) != EFI_SUCCESS) {\r | |
1954 | break;\r | |
1955 | }\r | |
1956 | \r | |
1957 | /* fall thru */\r | |
1958 | case EFI_PXE_BASE_CODE_TFTP_READ_FILE:\r | |
1959 | if (FilenamePtr == NULL) {\r | |
1960 | StatCode = EFI_INVALID_PARAMETER;\r | |
1961 | break;\r | |
1962 | }\r | |
1963 | \r | |
1964 | StatCode = TftpDownload (\r | |
1965 | Private,\r | |
1966 | &BufferSizeLocal,\r | |
1967 | BufferPtrLocal,\r | |
1968 | ServerIpPtr,\r | |
1969 | FilenamePtr,\r | |
1970 | PacketSizePtr,\r | |
1971 | TftpRequestPort,\r | |
1972 | TFTP_RRQ,\r | |
1973 | DontUseBuffer\r | |
1974 | );\r | |
1975 | \r | |
1976 | if (StatCode == EFI_SUCCESS || StatCode == EFI_BUFFER_TOO_SMALL) {\r | |
1977 | if (BufferSizePtr /* !DontUseBuffer */ ) {\r | |
1978 | *BufferSizePtr = BufferSizeLocal;\r | |
1979 | }\r | |
1980 | }\r | |
1981 | \r | |
1982 | break;\r | |
1983 | \r | |
1984 | case EFI_PXE_BASE_CODE_TFTP_WRITE_FILE:\r | |
1985 | if (FilenamePtr == NULL || DontUseBuffer) {\r | |
1986 | //\r | |
1987 | // not a valid option\r | |
1988 | //\r | |
1989 | StatCode = EFI_INVALID_PARAMETER;\r | |
1990 | break;\r | |
1991 | }\r | |
1992 | \r | |
1993 | StatCode = TftpUpload (\r | |
1994 | Private,\r | |
1995 | BufferSizePtr,\r | |
1996 | BufferPtr,\r | |
1997 | ServerIpPtr,\r | |
1998 | FilenamePtr,\r | |
1999 | PacketSizePtr,\r | |
2000 | Overwrite\r | |
2001 | );\r | |
2002 | \r | |
2003 | if (StatCode != EFI_SUCCESS) {\r | |
2004 | DEBUG (\r | |
2005 | (DEBUG_WARN,\r | |
2006 | "\nPxeBcMtftp() Exit #6 %xh (%r)",\r | |
2007 | StatCode,\r | |
2008 | StatCode)\r | |
2009 | );\r | |
2010 | }\r | |
2011 | \r | |
2012 | return StatCode;\r | |
2013 | \r | |
2014 | case EFI_PXE_BASE_CODE_TFTP_READ_DIRECTORY:\r | |
2015 | if (FilenamePtr == NULL || DontUseBuffer) {\r | |
2016 | //\r | |
2017 | // not a valid option\r | |
2018 | //\r | |
2019 | StatCode = EFI_INVALID_PARAMETER;\r | |
2020 | break;\r | |
2021 | }\r | |
2022 | \r | |
2023 | StatCode = TftpDownload (\r | |
2024 | Private,\r | |
2025 | BufferSizePtr,\r | |
2026 | BufferPtr,\r | |
2027 | ServerIpPtr,\r | |
2028 | FilenamePtr,\r | |
2029 | PacketSizePtr,\r | |
2030 | TftpRequestPort,\r | |
2031 | TFTP_DIR,\r | |
2032 | DontUseBuffer\r | |
2033 | );\r | |
2034 | \r | |
2035 | if (StatCode != EFI_SUCCESS) {\r | |
2036 | DEBUG (\r | |
2037 | (DEBUG_WARN,\r | |
2038 | "\nPxeBcMtftp() Exit #7 %xh (%r)",\r | |
2039 | StatCode,\r | |
2040 | StatCode)\r | |
2041 | );\r | |
2042 | }\r | |
2043 | \r | |
2044 | return StatCode;\r | |
2045 | \r | |
2046 | case EFI_PXE_BASE_CODE_MTFTP_READ_DIRECTORY:\r | |
2047 | if (DontUseBuffer) {\r | |
2048 | StatCode = EFI_INVALID_PARAMETER;\r | |
2049 | break;\r | |
2050 | }\r | |
2051 | \r | |
2052 | if (MtftpInfoPtr == NULL || !MtftpInfoPtr->SPort) {\r | |
2053 | DEBUG (\r | |
2054 | (DEBUG_WARN,\r | |
2055 | "\nPxeBcMtftp() Exit #9 %xh (%r)",\r | |
2056 | EFI_INVALID_PARAMETER,\r | |
2057 | EFI_INVALID_PARAMETER)\r | |
2058 | );\r | |
2059 | \r | |
2060 | return EFI_INVALID_PARAMETER;\r | |
2061 | }\r | |
2062 | \r | |
2063 | StatCode = TftpDownload (\r | |
2064 | Private,\r | |
2065 | BufferSizePtr,\r | |
2066 | BufferPtr,\r | |
2067 | ServerIpPtr,\r | |
2068 | (UINT8 *) "/",\r | |
2069 | PacketSizePtr,\r | |
2070 | MtftpInfoPtr->SPort,\r | |
2071 | TFTP_DIR,\r | |
2072 | DontUseBuffer\r | |
2073 | );\r | |
2074 | \r | |
2075 | break;\r | |
2076 | \r | |
2077 | default:\r | |
2078 | StatCode = EFI_INVALID_PARAMETER;\r | |
2079 | }\r | |
2080 | \r | |
2081 | if (DontUseBuffer) {\r | |
2082 | gBS->FreePool (BufferPtrLocal);\r | |
2083 | }\r | |
2084 | \r | |
2085 | if (StatCode != EFI_SUCCESS) {\r | |
2086 | DEBUG (\r | |
2087 | (DEBUG_WARN,\r | |
2088 | "\nPxeBcMtftp() Exit #8 %xh (%r)",\r | |
2089 | StatCode,\r | |
2090 | StatCode)\r | |
2091 | );\r | |
2092 | }\r | |
2093 | \r | |
2094 | gBS->Stall (10000);\r | |
2095 | \r | |
2096 | return StatCode;\r | |
2097 | }\r | |
2098 | \r | |
2099 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2100 | \r | |
2101 | /**\r | |
2102 | \r | |
2103 | @return * EFI_INVALID_PARAMETER\r | |
2104 | @return * Status is also returned from PxeBcMtftp();\r | |
2105 | \r | |
2106 | **/\r | |
2107 | EFI_STATUS\r | |
2108 | EFIAPI\r | |
2109 | BcMtftp (\r | |
2110 | IN EFI_PXE_BASE_CODE_PROTOCOL * This,\r | |
2111 | IN EFI_PXE_BASE_CODE_TFTP_OPCODE Operation,\r | |
2112 | IN OUT VOID *BufferPtr,\r | |
2113 | IN BOOLEAN Overwrite,\r | |
2114 | IN OUT UINT64 *BufferSizePtr,\r | |
2115 | IN UINTN *BlockSizePtr OPTIONAL,\r | |
2116 | IN EFI_IP_ADDRESS * ServerIpPtr,\r | |
2117 | IN UINT8 *FilenamePtr,\r | |
2118 | IN EFI_PXE_BASE_CODE_MTFTP_INFO * MtftpInfoPtr OPTIONAL,\r | |
2119 | IN BOOLEAN DontUseBuffer\r | |
2120 | )\r | |
2121 | {\r | |
2122 | EFI_PXE_BASE_CODE_IP_FILTER Filter;\r | |
2123 | EFI_STATUS StatCode;\r | |
2124 | PXE_BASECODE_DEVICE *Private;\r | |
2125 | \r | |
2126 | //\r | |
2127 | // Lock the instance data and make sure started\r | |
2128 | //\r | |
2129 | StatCode = EFI_SUCCESS;\r | |
2130 | \r | |
2131 | if (This == NULL) {\r | |
2132 | DEBUG ((DEBUG_ERROR, "BC *This pointer == NULL"));\r | |
2133 | return EFI_INVALID_PARAMETER;\r | |
2134 | }\r | |
2135 | \r | |
2136 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
2137 | \r | |
2138 | if (Private == NULL) {\r | |
2139 | DEBUG ((DEBUG_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r | |
2140 | return EFI_INVALID_PARAMETER;\r | |
2141 | }\r | |
2142 | \r | |
2143 | if (!IS_INADDR_UNICAST (ServerIpPtr)) {\r | |
2144 | //\r | |
2145 | // The station IP is not a unicast address.\r | |
2146 | //\r | |
2147 | return EFI_INVALID_PARAMETER;\r | |
2148 | }\r | |
2149 | \r | |
2150 | EfiAcquireLock (&Private->Lock);\r | |
2151 | \r | |
2152 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
2153 | DEBUG ((DEBUG_ERROR, "BC was not started."));\r | |
2154 | EfiReleaseLock (&Private->Lock);\r | |
2155 | return EFI_NOT_STARTED;\r | |
2156 | }\r | |
2157 | //\r | |
2158 | // Issue BC command\r | |
2159 | //\r | |
2160 | Filter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP;\r | |
2161 | Filter.IpCnt = 0;\r | |
2162 | Filter.reserved = 0;\r | |
2163 | \r | |
2164 | DEBUG ((DEBUG_WARN, "\nBcMtftp() Op=%d Buf=%Xh", Operation, BufferPtr));\r | |
2165 | \r | |
2166 | StatCode = PxeBcMtftp (\r | |
2167 | Private,\r | |
2168 | Operation,\r | |
2169 | BufferSizePtr,\r | |
2170 | BufferPtr,\r | |
2171 | ServerIpPtr,\r | |
2172 | FilenamePtr,\r | |
2173 | BlockSizePtr,\r | |
2174 | MtftpInfoPtr,\r | |
2175 | Overwrite,\r | |
2176 | DontUseBuffer\r | |
2177 | );\r | |
2178 | \r | |
2179 | //\r | |
2180 | // restore to unicast\r | |
2181 | //\r | |
2182 | IpFilter (Private, &Filter);\r | |
2183 | \r | |
2184 | //\r | |
2185 | // Unlock the instance data\r | |
2186 | //\r | |
2187 | EfiReleaseLock (&Private->Lock);\r | |
2188 | return StatCode;\r | |
2189 | }\r | |
2190 | \r | |
2191 | /* eof - PxeBcMtftp.c */\r |