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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 | bc.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | \r | |
19 | **/\r | |
20 | \r | |
21 | #include "Bc.h"\r | |
22 | \r | |
23 | //\r | |
24 | //\r | |
25 | //\r | |
26 | EFI_STATUS\r | |
27 | EFIAPI\r | |
28 | PxeBcDriverSupported (\r | |
29 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
30 | IN EFI_HANDLE Controller,\r | |
31 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
32 | );\r | |
33 | \r | |
34 | EFI_STATUS\r | |
35 | EFIAPI\r | |
36 | PxeBcDriverStart (\r | |
37 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
38 | IN EFI_HANDLE Controller,\r | |
39 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
40 | );\r | |
41 | \r | |
42 | EFI_STATUS\r | |
43 | EFIAPI\r | |
44 | PxeBcDriverStop (\r | |
45 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
46 | IN EFI_HANDLE Controller,\r | |
47 | IN UINTN NumberOfChildren,\r | |
48 | IN EFI_HANDLE *ChildHandleBuffer\r | |
49 | );\r | |
50 | \r | |
51 | extern\r | |
52 | VOID\r | |
53 | InitArpHeader (\r | |
54 | VOID\r | |
55 | );\r | |
56 | extern\r | |
57 | VOID\r | |
58 | OptionsStrucInit (\r | |
59 | VOID\r | |
60 | );\r | |
61 | \r | |
62 | //\r | |
63 | // helper routines\r | |
64 | //\r | |
65 | \r | |
66 | /**\r | |
67 | Convert number to ASCII value\r | |
68 | \r | |
69 | @param Number Numeric value to convert to decimal ASCII value.\r | |
70 | @param Buffer Buffer to place ASCII version of the Number\r | |
71 | @param Length Length of Buffer.\r | |
72 | \r | |
73 | @retval none none\r | |
74 | \r | |
75 | **/\r | |
76 | VOID\r | |
77 | CvtNum (\r | |
78 | IN UINTN Number,\r | |
79 | IN UINT8 *Buffer,\r | |
80 | IN INTN Length\r | |
81 | )\r | |
82 | {\r | |
83 | UINTN Remainder;\r | |
84 | \r | |
85 | while (Length--) {\r | |
86 | Remainder = Number % 10;\r | |
87 | Number /= 10;\r | |
88 | Buffer[Length] = (UINT8) ('0' + Remainder);\r | |
89 | }\r | |
90 | }\r | |
91 | \r | |
92 | \r | |
93 | /**\r | |
94 | Convert number to decimal ASCII value at Buffer location\r | |
95 | \r | |
96 | @param Number Numeric value to convert to decimal ASCII value.\r | |
97 | @param Buffer Buffer to place ASCII version of the Number\r | |
98 | \r | |
99 | @retval none none\r | |
100 | \r | |
101 | **/\r | |
102 | VOID\r | |
103 | UtoA10 (\r | |
104 | IN UINTN Number,\r | |
105 | IN UINT8 *Buffer\r | |
106 | )\r | |
107 | {\r | |
108 | INTN Index;\r | |
109 | UINT8 BuffArray[31];\r | |
110 | \r | |
111 | BuffArray[30] = 0;\r | |
112 | CvtNum (Number, BuffArray, 30);\r | |
113 | \r | |
114 | for (Index = 0; Index < 30; ++Index) {\r | |
115 | if (BuffArray[Index] != '0') {\r | |
116 | break;\r | |
117 | }\r | |
118 | }\r | |
119 | \r | |
120 | CopyMem (Buffer, BuffArray + Index, 31 - Index);\r | |
121 | }\r | |
122 | \r | |
123 | \r | |
124 | /**\r | |
125 | Convert ASCII numeric string to a UINTN value\r | |
126 | \r | |
127 | @param Number Numeric value to convert to decimal ASCII value.\r | |
128 | @param Buffer Buffer to place ASCII version of the Number\r | |
129 | \r | |
130 | @retval Value UINTN value of the ASCII string.\r | |
131 | \r | |
132 | **/\r | |
133 | UINTN\r | |
134 | AtoU (\r | |
135 | IN UINT8 *Buffer\r | |
136 | )\r | |
137 | {\r | |
138 | UINTN Value;\r | |
139 | INT8 Character;\r | |
140 | \r | |
141 | Value = 0;\r | |
142 | Character = *Buffer++;\r | |
143 | do {\r | |
144 | Value = Value * 10 + Character - '0';\r | |
145 | Character = *Buffer++;\r | |
146 | } while (Character);\r | |
147 | \r | |
148 | return Value;\r | |
149 | }\r | |
150 | \r | |
151 | \r | |
152 | /**\r | |
153 | Convert ASCII numeric string to a UINTN value\r | |
154 | \r | |
155 | @param Number Numeric value to convert to decimal ASCII value.\r | |
156 | @param Buffer Buffer to place ASCII version of the Number\r | |
157 | \r | |
158 | @retval Value UINTN value of the ASCII string.\r | |
159 | \r | |
160 | **/\r | |
161 | UINT64\r | |
162 | AtoU64 (\r | |
163 | IN UINT8 *Buffer\r | |
164 | )\r | |
165 | {\r | |
166 | UINT64 Value;\r | |
167 | UINT8 Character;\r | |
168 | \r | |
169 | Value = 0;\r | |
170 | while ((Character = *Buffer++) != '\0') {\r | |
171 | Value = MultU64x32 (Value, 10) + (Character - '0');\r | |
172 | }\r | |
173 | \r | |
174 | return Value;\r | |
175 | }\r | |
176 | //\r | |
177 | // random number generator\r | |
178 | //\r | |
179 | #define RANDOM_MULTIPLIER 2053\r | |
180 | #define RANDOM_ADD_IN_VALUE 19\r | |
181 | \r | |
182 | VOID\r | |
183 | SeedRandom (\r | |
184 | IN PXE_BASECODE_DEVICE *Private,\r | |
185 | IN UINT16 InitialSeed\r | |
186 | )\r | |
187 | /*++\r | |
188 | \r | |
189 | Routine Description:\r | |
190 | Initialize the Seed for the random number generator\r | |
191 | \r | |
192 | Arguments:\r | |
193 | \r | |
194 | Returns:\r | |
195 | none -\r | |
196 | \r | |
197 | --*/\r | |
198 | {\r | |
199 | if (Private != NULL) {\r | |
200 | Private->RandomSeed = InitialSeed;\r | |
201 | }\r | |
202 | }\r | |
203 | \r | |
204 | \r | |
205 | /**\r | |
206 | Generate and return a pseudo-random number\r | |
207 | \r | |
208 | \r | |
209 | @retval Number UINT16 random number\r | |
210 | \r | |
211 | **/\r | |
212 | UINT16\r | |
213 | Random (\r | |
214 | IN PXE_BASECODE_DEVICE *Private\r | |
215 | )\r | |
216 | {\r | |
217 | UINTN Number;\r | |
218 | \r | |
219 | if (Private != NULL) {\r | |
220 | Number = -(INTN) Private->RandomSeed * RANDOM_MULTIPLIER + RANDOM_ADD_IN_VALUE;\r | |
221 | \r | |
222 | return Private->RandomSeed = (UINT16) Number;\r | |
223 | } else {\r | |
224 | return 0;\r | |
225 | }\r | |
226 | }\r | |
227 | //\r | |
228 | // calculate the internet checksum (RFC 1071)\r | |
229 | // return 16 bit ones complement of ones complement sum of 16 bit words\r | |
230 | //\r | |
231 | \r | |
232 | /**\r | |
233 | Calculate the internet checksum (see RFC 1071)\r | |
234 | \r | |
235 | @param Packet Buffer which contains the data to be checksummed\r | |
236 | @param Length Length to be checksummed\r | |
237 | \r | |
238 | @retval Checksum Returns the 16 bit ones complement of ones\r | |
239 | complement sum of 16 bit words\r | |
240 | \r | |
241 | **/\r | |
242 | UINT16\r | |
243 | IpChecksum (\r | |
244 | IN UINT16 *Packet,\r | |
245 | IN UINTN Length\r | |
246 | )\r | |
247 | {\r | |
248 | UINT32 Sum;\r | |
249 | UINT8 Odd;\r | |
250 | \r | |
251 | Sum = 0;\r | |
252 | Odd = (UINT8) (Length & 1);\r | |
253 | Length >>= 1;\r | |
254 | while (Length--) {\r | |
255 | Sum += *Packet++;\r | |
256 | }\r | |
257 | \r | |
258 | if (Odd) {\r | |
259 | Sum += *(UINT8 *) Packet;\r | |
260 | }\r | |
261 | \r | |
262 | Sum = (Sum & 0xffff) + (Sum >> 16);\r | |
263 | //\r | |
264 | // in case above carried\r | |
265 | //\r | |
266 | Sum += Sum >> 16;\r | |
267 | \r | |
268 | return (UINT16) (~ (UINT16) Sum);\r | |
269 | }\r | |
270 | \r | |
271 | \r | |
272 | /**\r | |
273 | Calculate the internet checksum (see RFC 1071)\r | |
274 | on a non contiguous header and data\r | |
275 | \r | |
276 | @param Header Buffer which contains the data to be checksummed\r | |
277 | @param HeaderLen Length to be checksummed\r | |
278 | @param Message Buffer which contains the data to be checksummed\r | |
279 | @param MessageLen Length to be checksummed\r | |
280 | \r | |
281 | @retval Checksum Returns the 16 bit ones complement of ones\r | |
282 | complement sum of 16 bit words\r | |
283 | \r | |
284 | **/\r | |
285 | UINT16\r | |
286 | IpChecksum2 (\r | |
287 | IN UINT16 *Header,\r | |
288 | IN UINTN HeaderLen,\r | |
289 | IN UINT16 *Message,\r | |
290 | IN UINTN MessageLen\r | |
291 | )\r | |
292 | {\r | |
293 | UINT32 Sum;\r | |
687a2e5f | 294 | UINT16 HeaderChecksum;\r |
295 | UINT16 MessageChecksum;\r | |
772db4bb | 296 | \r |
687a2e5f | 297 | HeaderChecksum = (UINT16)~IpChecksum (Header, HeaderLen);\r |
298 | MessageChecksum = (UINT16)~IpChecksum (Message, MessageLen);\r | |
299 | Sum = HeaderChecksum + MessageChecksum;\r | |
772db4bb | 300 | \r |
301 | //\r | |
302 | // in case above carried\r | |
303 | //\r | |
304 | Sum += Sum >> 16;\r | |
305 | \r | |
306 | return (UINT16) (~ (UINT16) Sum);\r | |
307 | }\r | |
308 | \r | |
309 | \r | |
310 | /**\r | |
311 | Adjust the internet checksum (see RFC 1071) on a single word update.\r | |
312 | \r | |
313 | @param OldChkSum Checksum previously calculated\r | |
314 | @param OldWord Value\r | |
315 | @param NewWord New Value\r | |
316 | \r | |
317 | @retval Checksum Returns the 16 bit ones complement of ones\r | |
318 | complement sum of 16 bit words\r | |
319 | \r | |
320 | **/\r | |
321 | UINT16\r | |
322 | UpdateChecksum (\r | |
323 | IN UINT16 OldChksum,\r | |
324 | IN UINT16 OldWord,\r | |
325 | IN UINT16 NewWord\r | |
326 | )\r | |
327 | {\r | |
328 | UINT32 sum;\r | |
329 | \r | |
330 | sum = ~OldChksum + NewWord - OldWord;\r | |
331 | //\r | |
332 | // in case above carried\r | |
333 | //\r | |
334 | sum += sum >> 16;\r | |
335 | return (UINT16) (~ (UINT16) sum);\r | |
336 | }\r | |
337 | \r | |
338 | \r | |
339 | /**\r | |
340 | See if a callback is in play\r | |
341 | \r | |
342 | @param Private Pointer to Pxe BaseCode Protocol\r | |
343 | \r | |
344 | @retval 0 Callbacks are active on the handle\r | |
345 | @retval 1 Callbacks are not active on the handle\r | |
346 | \r | |
347 | **/\r | |
348 | STATIC\r | |
349 | BOOLEAN\r | |
350 | SetMakeCallback (\r | |
351 | IN PXE_BASECODE_DEVICE *Private\r | |
352 | )\r | |
353 | {\r | |
354 | Private->EfiBc.Mode->MakeCallbacks = (BOOLEAN) (gBS->HandleProtocol (\r | |
355 | Private->Handle,\r | |
356 | &gEfiPxeBaseCodeCallbackProtocolGuid,\r | |
357 | (VOID *) &Private->CallbackProtocolPtr\r | |
358 | ) == EFI_SUCCESS);\r | |
359 | \r | |
360 | DEBUG (\r | |
361 | (DEBUG_INFO,\r | |
362 | "\nMode->MakeCallbacks == %d ",\r | |
363 | Private->EfiBc.Mode->MakeCallbacks)\r | |
364 | );\r | |
365 | \r | |
366 | DEBUG (\r | |
367 | (DEBUG_INFO,\r | |
368 | "\nPrivate->CallbackProtocolPtr == %xh ",\r | |
369 | Private->CallbackProtocolPtr)\r | |
370 | );\r | |
371 | \r | |
372 | if (Private->CallbackProtocolPtr != NULL) {\r | |
373 | DEBUG (\r | |
374 | (DEBUG_INFO,\r | |
375 | "\nCallbackProtocolPtr->Revision = %xh ",\r | |
376 | Private->CallbackProtocolPtr->Revision)\r | |
377 | );\r | |
378 | \r | |
379 | DEBUG (\r | |
380 | (DEBUG_INFO,\r | |
381 | "\nCallbackProtocolPtr->Callback = %xh ",\r | |
382 | Private->CallbackProtocolPtr->Callback)\r | |
383 | );\r | |
384 | }\r | |
385 | \r | |
386 | return Private->EfiBc.Mode->MakeCallbacks;\r | |
387 | }\r | |
388 | \r | |
389 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
390 | \r | |
391 | /**\r | |
392 | Routine which does an SNP->Receive over a timeout period and doing callbacks\r | |
393 | \r | |
394 | @param Private Pointer to Pxe BaseCode Protocol\r | |
395 | @param Function What PXE function to callback\r | |
396 | @param TimeoutEvent Timer event that will trigger when we have waited\r | |
397 | too long for an incoming packet\r | |
398 | @param HeaderSizePtr Pointer to the size of the Header size\r | |
399 | @param BufferSizePtr Pointer to the size of the Buffer size\r | |
400 | @param ProtocolPtr The protocol to sniff for (namely, UDP/TCP/etc)\r | |
401 | \r | |
402 | @retval 0 Something was returned\r | |
403 | @retval !0 Like there was nothing to receive\r | |
404 | (EFI_TIMEOUT/NOT_READY)\r | |
405 | \r | |
406 | **/\r | |
407 | EFI_STATUS\r | |
408 | WaitForReceive (\r | |
409 | IN PXE_BASECODE_DEVICE *Private,\r | |
410 | IN EFI_PXE_BASE_CODE_FUNCTION Function,\r | |
411 | IN EFI_EVENT TimeoutEvent,\r | |
412 | IN OUT UINTN *HeaderSizePtr,\r | |
413 | IN OUT UINTN *BufferSizePtr,\r | |
414 | IN OUT UINT16 *ProtocolPtr\r | |
415 | )\r | |
416 | {\r | |
417 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpPtr;\r | |
418 | EFI_PXE_CALLBACK CallbackPtr;\r | |
419 | EFI_STATUS StatCode;\r | |
420 | EFI_EVENT CallbackEvent;\r | |
421 | \r | |
422 | //\r | |
423 | // Initialize pointer to SNP interface\r | |
424 | //\r | |
425 | SnpPtr = Private->SimpleNetwork;\r | |
426 | \r | |
427 | //\r | |
428 | // Initialize pointer to PxeBc callback routine - if any\r | |
429 | //\r | |
430 | CallbackPtr = (Private->EfiBc.Mode->MakeCallbacks) ? Private->CallbackProtocolPtr->Callback : NULL;\r | |
431 | \r | |
432 | //\r | |
433 | // Create callback event and set timer\r | |
434 | //\r | |
435 | StatCode = gBS->CreateEvent (\r | |
436 | EVT_TIMER,\r | |
437 | TPL_CALLBACK,\r | |
438 | NULL,\r | |
439 | NULL,\r | |
440 | &CallbackEvent\r | |
441 | );\r | |
442 | \r | |
443 | if (EFI_ERROR (StatCode)) {\r | |
444 | return EFI_DEVICE_ERROR;\r | |
445 | }\r | |
446 | \r | |
447 | //\r | |
448 | // every 100 milliseconds\r | |
449 | //\r | |
450 | StatCode = gBS->SetTimer (\r | |
451 | CallbackEvent,\r | |
452 | TimerPeriodic,\r | |
453 | 1000000\r | |
454 | );\r | |
455 | \r | |
456 | if (EFI_ERROR (StatCode)) {\r | |
457 | gBS->CloseEvent (CallbackEvent);\r | |
458 | return EFI_DEVICE_ERROR;\r | |
459 | }\r | |
460 | //\r | |
461 | // Loop until a packet is received or a receive error is detected or\r | |
462 | // a callback abort is detected or a timeout event occurs.\r | |
463 | //\r | |
464 | for (;;)\r | |
465 | {\r | |
466 | //\r | |
467 | // Poll for received packet.\r | |
468 | //\r | |
469 | *BufferSizePtr = BUFFER_ALLOCATE_SIZE;\r | |
470 | \r | |
471 | StatCode = SnpPtr->Receive (\r | |
472 | SnpPtr,\r | |
473 | HeaderSizePtr,\r | |
474 | BufferSizePtr,\r | |
475 | Private->ReceiveBufferPtr,\r | |
476 | 0,\r | |
477 | 0,\r | |
478 | ProtocolPtr\r | |
479 | );\r | |
480 | \r | |
481 | if (!EFI_ERROR (StatCode)) {\r | |
482 | //\r | |
483 | // Packet was received. Make received callback then return.\r | |
484 | //\r | |
485 | if (CallbackPtr != NULL) {\r | |
486 | StatCode = CallbackPtr (\r | |
487 | Private->CallbackProtocolPtr,\r | |
488 | Function,\r | |
489 | TRUE,\r | |
490 | (UINT32) *BufferSizePtr,\r | |
491 | (EFI_PXE_BASE_CODE_PACKET *) Private->ReceiveBufferPtr\r | |
492 | );\r | |
493 | \r | |
494 | if (StatCode != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {\r | |
495 | StatCode = EFI_ABORTED;\r | |
496 | } else {\r | |
497 | StatCode = EFI_SUCCESS;\r | |
498 | }\r | |
499 | }\r | |
500 | \r | |
501 | break;\r | |
502 | }\r | |
503 | \r | |
504 | if (StatCode != EFI_NOT_READY) {\r | |
505 | break;\r | |
506 | }\r | |
507 | //\r | |
508 | // Check for callback event.\r | |
509 | //\r | |
510 | if (!EFI_ERROR (gBS->CheckEvent (CallbackEvent))) {\r | |
511 | //\r | |
512 | // Make periodic callback if callback pointer is initialized.\r | |
513 | //\r | |
514 | if (CallbackPtr != NULL) {\r | |
515 | StatCode = CallbackPtr (\r | |
516 | Private->CallbackProtocolPtr,\r | |
517 | Function,\r | |
518 | FALSE,\r | |
519 | 0,\r | |
520 | NULL\r | |
521 | );\r | |
522 | \r | |
523 | //\r | |
524 | // Abort if directed to by callback routine.\r | |
525 | //\r | |
526 | if (StatCode != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {\r | |
527 | StatCode = EFI_ABORTED;\r | |
528 | break;\r | |
529 | }\r | |
530 | }\r | |
531 | }\r | |
532 | //\r | |
533 | // Check for timeout event.\r | |
534 | //\r | |
535 | if (TimeoutEvent == 0) {\r | |
536 | StatCode = EFI_TIMEOUT;\r | |
537 | break;\r | |
538 | }\r | |
539 | \r | |
540 | if (!EFI_ERROR (gBS->CheckEvent (TimeoutEvent))) {\r | |
541 | StatCode = EFI_TIMEOUT;\r | |
542 | break;\r | |
543 | }\r | |
544 | //\r | |
545 | // Check IGMP timer events.\r | |
546 | //\r | |
547 | IgmpCheckTimers (Private);\r | |
548 | }\r | |
549 | \r | |
550 | gBS->CloseEvent (CallbackEvent);\r | |
551 | \r | |
552 | return StatCode;\r | |
553 | }\r | |
554 | \r | |
555 | \r | |
556 | /**\r | |
557 | Routine which does an SNP->Transmit of a buffer\r | |
558 | \r | |
559 | @param Private Pointer to Pxe BaseCode Protocol\r | |
560 | @param HeaderPtr Pointer to the buffer\r | |
561 | @param PacketPtr Pointer to the packet to send\r | |
562 | @param PacketLen The length of the entire packet to send\r | |
563 | @param HardwareAddr Pointer to the MAC address of the destination\r | |
564 | @param MediaProtocol What type of frame to create (RFC 1700) - IE.\r | |
565 | Ethernet\r | |
566 | @param Function What PXE function to callback\r | |
567 | \r | |
568 | @retval 0 Something was sent\r | |
569 | @retval !0 An error was encountered during sending of a packet\r | |
570 | \r | |
571 | **/\r | |
572 | EFI_STATUS\r | |
573 | SendPacket (\r | |
574 | PXE_BASECODE_DEVICE *Private,\r | |
575 | VOID *HeaderPtr,\r | |
576 | VOID *PacketPtr,\r | |
577 | INTN PacketLen,\r | |
578 | VOID *HardwareAddr,\r | |
579 | UINT16 MediaProtocol,\r | |
580 | IN EFI_PXE_BASE_CODE_FUNCTION Function\r | |
581 | )\r | |
582 | {\r | |
583 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpPtr;\r | |
584 | EFI_SIMPLE_NETWORK_MODE *SnpModePtr;\r | |
585 | EFI_PXE_CALLBACK CallbackPtr;\r | |
586 | EFI_STATUS StatCode;\r | |
587 | EFI_EVENT TimeoutEvent;\r | |
588 | UINT32 IntStatus;\r | |
589 | VOID *TxBuf;\r | |
590 | \r | |
591 | //\r | |
592 | //\r | |
593 | //\r | |
594 | CallbackPtr = Private->EfiBc.Mode->MakeCallbacks ? Private->CallbackProtocolPtr->Callback : 0;\r | |
595 | \r | |
596 | SnpPtr = Private->SimpleNetwork;\r | |
597 | SnpModePtr = SnpPtr->Mode;\r | |
598 | \r | |
599 | //\r | |
600 | // clear prior interrupt status\r | |
601 | //\r | |
602 | StatCode = SnpPtr->GetStatus (SnpPtr, &IntStatus, 0);\r | |
603 | \r | |
604 | if (EFI_ERROR (StatCode)) {\r | |
605 | DEBUG (\r | |
606 | (DEBUG_WARN,\r | |
607 | "\nSendPacket() Exit #1 %xh (%r)",\r | |
608 | StatCode,\r | |
609 | StatCode)\r | |
610 | );\r | |
611 | return StatCode;\r | |
612 | }\r | |
613 | \r | |
614 | Private->DidTransmit = FALSE;\r | |
615 | \r | |
616 | if (CallbackPtr != NULL) {\r | |
617 | if (CallbackPtr (\r | |
618 | Private->CallbackProtocolPtr,\r | |
619 | Function,\r | |
620 | FALSE,\r | |
621 | (UINT32) PacketLen,\r | |
622 | PacketPtr\r | |
623 | ) != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {\r | |
624 | DEBUG (\r | |
625 | (DEBUG_WARN,\r | |
626 | "\nSendPacket() Exit #2 %xh (%r)",\r | |
627 | EFI_ABORTED,\r | |
628 | EFI_ABORTED)\r | |
629 | );\r | |
630 | return EFI_ABORTED;\r | |
631 | }\r | |
632 | }\r | |
633 | //\r | |
634 | // put packet in transmit queue\r | |
635 | // headersize should be zero if not filled in\r | |
636 | //\r | |
637 | StatCode = gBS->CreateEvent (\r | |
638 | EVT_TIMER,\r | |
639 | TPL_CALLBACK,\r | |
640 | NULL,\r | |
641 | NULL,\r | |
642 | &TimeoutEvent\r | |
643 | );\r | |
644 | \r | |
645 | if (EFI_ERROR (StatCode)) {\r | |
646 | DEBUG (\r | |
647 | (DEBUG_ERROR,\r | |
648 | "Could not create transmit timeout event. %r\n",\r | |
649 | StatCode)\r | |
650 | );\r | |
651 | return EFI_DEVICE_ERROR;\r | |
652 | }\r | |
653 | \r | |
654 | //\r | |
655 | // 5 milliseconds\r | |
656 | //\r | |
657 | StatCode = gBS->SetTimer (\r | |
658 | TimeoutEvent,\r | |
659 | TimerRelative,\r | |
660 | 50000\r | |
661 | );\r | |
662 | \r | |
663 | if (EFI_ERROR (StatCode)) {\r | |
664 | DEBUG (\r | |
665 | (DEBUG_ERROR,\r | |
666 | "Could not set transmit timeout event timer. %r\n",\r | |
667 | StatCode)\r | |
668 | );\r | |
669 | gBS->CloseEvent (TimeoutEvent);\r | |
670 | return EFI_DEVICE_ERROR;\r | |
671 | }\r | |
672 | \r | |
673 | for (;;) {\r | |
674 | StatCode = SnpPtr->Transmit (\r | |
675 | SnpPtr,\r | |
676 | (UINTN) SnpPtr->Mode->MediaHeaderSize,\r | |
677 | (UINTN) (PacketLen + SnpPtr->Mode->MediaHeaderSize),\r | |
678 | HeaderPtr,\r | |
679 | &SnpModePtr->CurrentAddress,\r | |
680 | (EFI_MAC_ADDRESS *) HardwareAddr,\r | |
681 | &MediaProtocol\r | |
682 | );\r | |
683 | \r | |
684 | if (StatCode != EFI_NOT_READY) {\r | |
685 | break;\r | |
686 | }\r | |
687 | \r | |
688 | if (!EFI_ERROR (gBS->CheckEvent (TimeoutEvent))) {\r | |
689 | StatCode = EFI_TIMEOUT;\r | |
690 | break;\r | |
691 | }\r | |
692 | }\r | |
693 | \r | |
694 | gBS->CloseEvent (TimeoutEvent);\r | |
695 | \r | |
696 | if (EFI_ERROR (StatCode)) {\r | |
697 | DEBUG (\r | |
698 | (DEBUG_WARN,\r | |
699 | "\nSendPacket() Exit #3 %xh (%r)",\r | |
700 | StatCode,\r | |
701 | StatCode)\r | |
702 | );\r | |
703 | return StatCode;\r | |
704 | }\r | |
705 | //\r | |
706 | // remove transmit buffer from snp's unused queue\r | |
707 | // done this way in case someday things are buffered and we don't get it back\r | |
708 | // immediately\r | |
709 | //\r | |
710 | StatCode = gBS->CreateEvent (\r | |
711 | EVT_TIMER,\r | |
712 | TPL_CALLBACK,\r | |
713 | NULL,\r | |
714 | NULL,\r | |
715 | &TimeoutEvent\r | |
716 | );\r | |
717 | \r | |
718 | if (EFI_ERROR (StatCode)) {\r | |
719 | DEBUG (\r | |
720 | (DEBUG_ERROR,\r | |
721 | "Could not create transmit status timeout event. %r\n",\r | |
722 | StatCode)\r | |
723 | );\r | |
724 | return EFI_DEVICE_ERROR;\r | |
725 | }\r | |
726 | \r | |
727 | //\r | |
728 | // 5 milliseconds\r | |
729 | //\r | |
730 | StatCode = gBS->SetTimer (\r | |
731 | TimeoutEvent,\r | |
732 | TimerRelative,\r | |
733 | 50000\r | |
734 | );\r | |
735 | \r | |
736 | if (EFI_ERROR (StatCode)) {\r | |
737 | DEBUG (\r | |
738 | (DEBUG_ERROR,\r | |
739 | "Could not set transmit status timeout event timer. %r\n",\r | |
740 | StatCode)\r | |
741 | );\r | |
742 | gBS->CloseEvent (TimeoutEvent);\r | |
743 | return EFI_DEVICE_ERROR;\r | |
744 | }\r | |
745 | \r | |
746 | for (;;) {\r | |
747 | StatCode = SnpPtr->GetStatus (SnpPtr, &IntStatus, &TxBuf);\r | |
748 | \r | |
749 | if (EFI_ERROR (StatCode)) {\r | |
750 | DEBUG (\r | |
751 | (DEBUG_WARN,\r | |
752 | "\nSendPacket() Exit #4 %xh (%r)",\r | |
753 | StatCode,\r | |
754 | StatCode)\r | |
755 | );\r | |
756 | break;\r | |
757 | }\r | |
758 | \r | |
759 | if (IntStatus & EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT) {\r | |
760 | Private->DidTransmit = TRUE;\r | |
761 | }\r | |
762 | \r | |
763 | if (TxBuf != NULL) {\r | |
764 | break;\r | |
765 | }\r | |
766 | \r | |
767 | if (!EFI_ERROR (gBS->CheckEvent (TimeoutEvent))) {\r | |
768 | StatCode = EFI_TIMEOUT;\r | |
769 | break;\r | |
770 | }\r | |
771 | }\r | |
772 | \r | |
773 | gBS->CloseEvent (TimeoutEvent);\r | |
774 | \r | |
775 | return StatCode;\r | |
776 | }\r | |
777 | //\r | |
778 | //\r | |
779 | //\r | |
780 | \r | |
781 | /**\r | |
782 | \r | |
783 | \r | |
784 | **/\r | |
785 | EFI_BIS_PROTOCOL *\r | |
786 | PxebcBisStart (\r | |
787 | IN PXE_BASECODE_DEVICE *Private,\r | |
788 | OUT BIS_APPLICATION_HANDLE *BisAppHandle,\r | |
789 | OUT OPTIONAL EFI_BIS_DATA **BisDataSigInfo\r | |
790 | )\r | |
791 | {\r | |
792 | EFI_STATUS EfiStatus;\r | |
793 | EFI_HANDLE BisHandleBuffer;\r | |
794 | UINTN BisHandleCount;\r | |
795 | EFI_BIS_PROTOCOL *BisPtr;\r | |
796 | EFI_BIS_VERSION BisInterfaceVersion;\r | |
797 | BOOLEAN BisCheckFlag;\r | |
798 | \r | |
799 | BisHandleCount = sizeof (EFI_HANDLE);\r | |
800 | BisCheckFlag = FALSE;\r | |
801 | \r | |
802 | //\r | |
803 | // Locate BIS protocol handle (if present).\r | |
804 | // If BIS protocol handle is not found, return NULL.\r | |
805 | //\r | |
806 | DEBUG ((DEBUG_INFO, "\ngBS->LocateHandle() "));\r | |
807 | \r | |
808 | EfiStatus = gBS->LocateHandle (\r | |
809 | ByProtocol,\r | |
810 | &gEfiBisProtocolGuid,\r | |
811 | NULL,\r | |
812 | &BisHandleCount,\r | |
813 | &BisHandleBuffer\r | |
814 | );\r | |
815 | \r | |
816 | if (EFI_ERROR (EfiStatus)) {\r | |
817 | //\r | |
818 | // Any error means that there is no BIS.\r | |
819 | // Note - It could mean that there are more than\r | |
820 | // one BIS protocols installed, but that scenario\r | |
821 | // is not yet supported.\r | |
822 | //\r | |
823 | DEBUG (\r | |
824 | (DEBUG_WARN,\r | |
825 | "\nPxebcBisStart()""\n gBS->LocateHandle() %r (%xh)\n",\r | |
826 | EfiStatus,\r | |
827 | EfiStatus)\r | |
828 | );\r | |
829 | \r | |
830 | return NULL;\r | |
831 | }\r | |
832 | \r | |
833 | if (BisHandleCount != sizeof BisHandleBuffer) {\r | |
834 | //\r | |
835 | // This really should never happen, but I am paranoid.\r | |
836 | //\r | |
837 | DEBUG (\r | |
838 | (DEBUG_NET,\r | |
839 | "\nPxebcBisStart() BisHandleCount != %d\n",\r | |
840 | sizeof BisHandleBuffer)\r | |
841 | );\r | |
842 | \r | |
843 | return NULL;\r | |
844 | }\r | |
845 | \r | |
846 | DEBUG ((DEBUG_INFO, "BIS handle found."));\r | |
847 | \r | |
848 | //\r | |
849 | // Locate BIS protocol interface.\r | |
850 | // If the BIS protocol interface cannot be found, return NULL.\r | |
851 | //\r | |
852 | DEBUG ((DEBUG_INFO, "\ngBS->HandleProtocol() "));\r | |
853 | \r | |
854 | EfiStatus = gBS->HandleProtocol (\r | |
855 | BisHandleBuffer,\r | |
856 | &gEfiBisProtocolGuid,\r | |
857 | (VOID **) &BisPtr\r | |
858 | );\r | |
859 | \r | |
860 | if (EFI_ERROR (EfiStatus)) {\r | |
861 | DEBUG (\r | |
862 | (DEBUG_WARN,\r | |
863 | "\nPxebcBisStart()""\n gBS->HandleProtocol() %r (%xh)\n",\r | |
864 | EfiStatus,\r | |
865 | EfiStatus)\r | |
866 | );\r | |
867 | \r | |
868 | return NULL;\r | |
869 | }\r | |
870 | \r | |
871 | if (BisPtr == NULL) {\r | |
872 | //\r | |
873 | // This really should never happen.\r | |
874 | //\r | |
875 | DEBUG (\r | |
876 | (DEBUG_NET,\r | |
877 | "\nPxebcBisStart()""\n gBS->HandleProtocoL() ""BIS protocol interface pointer is NULL!\n")\r | |
878 | );\r | |
879 | \r | |
880 | return NULL;\r | |
881 | }\r | |
882 | \r | |
883 | DEBUG ((DEBUG_INFO, "BIS protocol interface found."));\r | |
884 | \r | |
885 | //\r | |
886 | // Check that all of the BIS API function pointers are not NULL.\r | |
887 | //\r | |
888 | if (BisPtr->Initialize == NULL ||\r | |
889 | BisPtr->Shutdown == NULL ||\r | |
890 | BisPtr->Free == NULL ||\r | |
891 | BisPtr->GetBootObjectAuthorizationCertificate == NULL ||\r | |
892 | BisPtr->GetBootObjectAuthorizationCheckFlag == NULL ||\r | |
893 | BisPtr->GetBootObjectAuthorizationUpdateToken == NULL ||\r | |
894 | BisPtr->GetSignatureInfo == NULL ||\r | |
895 | BisPtr->UpdateBootObjectAuthorization == NULL ||\r | |
896 | BisPtr->VerifyBootObject == NULL ||\r | |
897 | BisPtr->VerifyObjectWithCredential == NULL\r | |
898 | ) {\r | |
899 | DEBUG (\r | |
900 | (\r | |
901 | DEBUG_NET,\r | |
902 | "\nPxebcBisStart()""\n BIS protocol interface is invalid."\r | |
903 | "\n At least one BIS protocol function pointer is NULL.\n"\r | |
904 | )\r | |
905 | );\r | |
906 | \r | |
907 | return NULL;\r | |
908 | }\r | |
909 | //\r | |
910 | // Initialize BIS.\r | |
911 | // If BIS does not initialize, return NULL.\r | |
912 | //\r | |
913 | DEBUG ((DEBUG_INFO, "\nBisPtr->Initialize() "));\r | |
914 | \r | |
915 | BisInterfaceVersion.Major = BIS_VERSION_1;\r | |
916 | \r | |
917 | EfiStatus = BisPtr->Initialize (\r | |
918 | BisPtr,\r | |
919 | BisAppHandle,\r | |
920 | &BisInterfaceVersion,\r | |
921 | NULL\r | |
922 | );\r | |
923 | \r | |
924 | if (EFI_ERROR (EfiStatus)) {\r | |
925 | DEBUG (\r | |
926 | (DEBUG_WARN,\r | |
927 | "\nPxebcBisStart()""\n BisPtr->Initialize() %r (%xh)\n",\r | |
928 | EfiStatus,\r | |
929 | EfiStatus)\r | |
930 | );\r | |
931 | \r | |
932 | return NULL;\r | |
933 | }\r | |
934 | \r | |
935 | DEBUG (\r | |
936 | (DEBUG_INFO,\r | |
937 | " BIS version: %d.%d",\r | |
938 | BisInterfaceVersion.Major,\r | |
939 | BisInterfaceVersion.Minor)\r | |
940 | );\r | |
941 | \r | |
942 | //\r | |
943 | // If the requested BIS API version is not supported,\r | |
944 | // shutdown BIS and return NULL.\r | |
945 | //\r | |
946 | if (BisInterfaceVersion.Major != BIS_VERSION_1) {\r | |
947 | DEBUG (\r | |
948 | (DEBUG_WARN,\r | |
949 | "\nPxebcBisStart()""\n BIS version %d.%d not supported by PXE BaseCode.\n",\r | |
950 | BisInterfaceVersion.Major,\r | |
951 | BisInterfaceVersion.Minor)\r | |
952 | );\r | |
953 | \r | |
954 | BisPtr->Shutdown (*BisAppHandle);\r | |
955 | return NULL;\r | |
956 | }\r | |
957 | //\r | |
958 | // Get BIS check flag.\r | |
959 | // If the BIS check flag cannot be read, shutdown BIS and return NULL.\r | |
960 | //\r | |
961 | DEBUG ((DEBUG_INFO, "\nBisPtr->GetBootObjectAuthorizationCheckFlag() "));\r | |
962 | \r | |
963 | EfiStatus = BisPtr->GetBootObjectAuthorizationCheckFlag (*BisAppHandle, &BisCheckFlag);\r | |
964 | \r | |
965 | if (EFI_ERROR (EfiStatus)) {\r | |
966 | DEBUG (\r | |
967 | (DEBUG_WARN,\r | |
968 | "\nPxebcBisStart()""\n BisPtr->GetBootObjectAuthorizationCheckFlag() %r (%xh)\n",\r | |
969 | EfiStatus,\r | |
970 | EfiStatus)\r | |
971 | );\r | |
972 | \r | |
973 | BisPtr->Shutdown (*BisAppHandle);\r | |
974 | return NULL;\r | |
975 | }\r | |
976 | //\r | |
977 | // If the BIS check flag is FALSE, shutdown BIS and return NULL.\r | |
978 | //\r | |
979 | if (!BisCheckFlag) {\r | |
980 | DEBUG ((DEBUG_INFO, "\nBIS check flag is FALSE.\n"));\r | |
981 | BisPtr->Shutdown (*BisAppHandle);\r | |
982 | return NULL;\r | |
983 | } else {\r | |
984 | DEBUG ((DEBUG_INFO, "\nBIS check flag is TRUE."));\r | |
985 | }\r | |
986 | //\r | |
987 | // Early out if caller does not want signature information.\r | |
988 | //\r | |
989 | if (BisDataSigInfo == NULL) {\r | |
990 | return BisPtr;\r | |
991 | }\r | |
992 | //\r | |
993 | // Get BIS signature information.\r | |
994 | // If the signature information cannot be read or is invalid,\r | |
995 | // shutdown BIS and return NULL.\r | |
996 | //\r | |
997 | DEBUG ((DEBUG_INFO, "\nBisPtr->GetSignatureInfo() "));\r | |
998 | \r | |
999 | EfiStatus = BisPtr->GetSignatureInfo (*BisAppHandle, BisDataSigInfo);\r | |
1000 | \r | |
1001 | if (EFI_ERROR (EfiStatus)) {\r | |
1002 | DEBUG (\r | |
1003 | (DEBUG_WARN,\r | |
1004 | "\nPxebcBisStart()""\n BisPtr_GetSignatureInfo() %r (%xh)\n",\r | |
1005 | EfiStatus,\r | |
1006 | EfiStatus)\r | |
1007 | );\r | |
1008 | \r | |
1009 | BisPtr->Shutdown (*BisAppHandle);\r | |
1010 | return NULL;\r | |
1011 | }\r | |
1012 | \r | |
1013 | if (*BisDataSigInfo == NULL) {\r | |
1014 | //\r | |
1015 | // This should never happen.\r | |
1016 | //\r | |
1017 | DEBUG (\r | |
1018 | (DEBUG_NET,\r | |
1019 | "\nPxebcBisStart()""\n BisPtr->GetSignatureInfo() Data pointer is NULL!\n")\r | |
1020 | );\r | |
1021 | \r | |
1022 | BisPtr->Shutdown (*BisAppHandle);\r | |
1023 | return NULL;\r | |
1024 | }\r | |
1025 | \r | |
1026 | if ((*BisDataSigInfo)->Length < sizeof (EFI_BIS_SIGNATURE_INFO) ||\r | |
1027 | (*BisDataSigInfo)->Length % sizeof (EFI_BIS_SIGNATURE_INFO) ||\r | |
1028 | (*BisDataSigInfo)->Length > sizeof (EFI_BIS_SIGNATURE_INFO) * 63\r | |
1029 | ) {\r | |
1030 | //\r | |
1031 | // This should never happen.\r | |
1032 | //\r | |
1033 | DEBUG (\r | |
1034 | (DEBUG_NET,\r | |
1035 | "\nPxebcBisStart()""\n BisPtr->GetSignatureInfo() Invalid BIS siginfo length.\n")\r | |
1036 | );\r | |
1037 | \r | |
1038 | BisPtr->Free (*BisAppHandle, *BisDataSigInfo);\r | |
1039 | BisPtr->Shutdown (*BisAppHandle);\r | |
1040 | return NULL;\r | |
1041 | }\r | |
1042 | \r | |
1043 | return BisPtr;\r | |
1044 | }\r | |
1045 | \r | |
1046 | \r | |
1047 | /**\r | |
1048 | \r | |
1049 | \r | |
1050 | **/\r | |
1051 | VOID\r | |
1052 | PxebcBisStop (\r | |
1053 | EFI_BIS_PROTOCOL *BisPtr,\r | |
1054 | BIS_APPLICATION_HANDLE BisAppHandle,\r | |
1055 | EFI_BIS_DATA *BisDataSigInfo\r | |
1056 | )\r | |
1057 | {\r | |
1058 | if (BisPtr == NULL) {\r | |
1059 | return ;\r | |
1060 | }\r | |
1061 | //\r | |
1062 | // Free BIS allocated resources and shutdown BIS.\r | |
1063 | // Return TRUE - BIS support is officially detected.\r | |
1064 | //\r | |
1065 | if (BisDataSigInfo != NULL) {\r | |
1066 | BisPtr->Free (BisAppHandle, BisDataSigInfo);\r | |
1067 | }\r | |
1068 | \r | |
1069 | BisPtr->Shutdown (BisAppHandle);\r | |
1070 | }\r | |
1071 | \r | |
1072 | \r | |
1073 | /**\r | |
1074 | \r | |
1075 | @return TRUE := verified\r | |
1076 | @return FALSE := not verified\r | |
1077 | \r | |
1078 | **/\r | |
1079 | BOOLEAN\r | |
1080 | PxebcBisVerify (\r | |
1081 | PXE_BASECODE_DEVICE *Private,\r | |
1082 | VOID *FileBuffer,\r | |
1083 | UINTN FileLength,\r | |
1084 | VOID *CredentialBuffer,\r | |
1085 | UINTN CredentialLength\r | |
1086 | )\r | |
1087 | {\r | |
1088 | EFI_BIS_PROTOCOL *BisPtr;\r | |
1089 | BIS_APPLICATION_HANDLE BisAppHandle;\r | |
1090 | EFI_BIS_DATA FileData;\r | |
1091 | EFI_BIS_DATA CredentialData;\r | |
1092 | EFI_STATUS EfiStatus;\r | |
1093 | BOOLEAN IsVerified;\r | |
1094 | \r | |
1095 | if (Private == NULL || FileBuffer == NULL || FileLength == 0 || CredentialBuffer == NULL || CredentialLength == 0) {\r | |
1096 | return FALSE;\r | |
1097 | }\r | |
1098 | \r | |
1099 | BisPtr = PxebcBisStart (Private, &BisAppHandle, NULL);\r | |
1100 | \r | |
1101 | if (BisPtr == NULL) {\r | |
1102 | return FALSE;\r | |
1103 | }\r | |
1104 | \r | |
1105 | FileData.Length = (UINT32) FileLength;\r | |
1106 | FileData.Data = FileBuffer;\r | |
1107 | CredentialData.Length = (UINT32) CredentialLength;\r | |
1108 | CredentialData.Data = CredentialBuffer;\r | |
1109 | \r | |
1110 | EfiStatus = BisPtr->VerifyBootObject (\r | |
1111 | BisAppHandle,\r | |
1112 | &CredentialData,\r | |
1113 | &FileData,\r | |
1114 | &IsVerified\r | |
1115 | );\r | |
1116 | \r | |
1117 | PxebcBisStop (BisPtr, BisAppHandle, NULL);\r | |
1118 | \r | |
1119 | return (BOOLEAN) ((EFI_ERROR (EfiStatus)) ? FALSE : (IsVerified ? TRUE : FALSE));\r | |
1120 | }\r | |
1121 | \r | |
1122 | \r | |
1123 | /**\r | |
1124 | \r | |
1125 | @return TRUE := BIS present\r | |
1126 | @return FALSE := BIS not present\r | |
1127 | \r | |
1128 | **/\r | |
1129 | BOOLEAN\r | |
1130 | PxebcBisDetect (\r | |
1131 | PXE_BASECODE_DEVICE *Private\r | |
1132 | )\r | |
1133 | {\r | |
1134 | EFI_BIS_PROTOCOL *BisPtr;\r | |
1135 | BIS_APPLICATION_HANDLE BisAppHandle;\r | |
1136 | EFI_BIS_DATA *BisDataSigInfo;\r | |
1137 | \r | |
1138 | BisPtr = PxebcBisStart (Private, &BisAppHandle, &BisDataSigInfo);\r | |
1139 | \r | |
1140 | if (BisPtr == NULL) {\r | |
1141 | return FALSE;\r | |
1142 | }\r | |
1143 | \r | |
1144 | PxebcBisStop (BisPtr, BisAppHandle, BisDataSigInfo);\r | |
1145 | \r | |
1146 | return TRUE;\r | |
1147 | }\r | |
1148 | \r | |
772db4bb | 1149 | /**\r |
1150 | Start and initialize the BaseCode protocol, Simple Network protocol and UNDI.\r | |
1151 | \r | |
1152 | @param Private Pointer to Pxe BaseCode Protocol\r | |
1153 | @param UseIPv6 Do we want to support IPv6?\r | |
1154 | \r | |
1155 | @return EFI_SUCCESS\r | |
1156 | @return EFI_INVALID_PARAMETER\r | |
1157 | @return EFI_UNSUPPORTED\r | |
1158 | @return EFI_ALREADY_STARTED\r | |
1159 | @return EFI_OUT_OF_RESOURCES\r | |
1160 | @return Status is also returned from SNP.Start() and SNP.Initialize().\r | |
1161 | \r | |
1162 | **/\r | |
1163 | EFI_STATUS\r | |
1164 | EFIAPI\r | |
1165 | BcStart (\r | |
1166 | IN EFI_PXE_BASE_CODE_PROTOCOL *This,\r | |
1167 | IN BOOLEAN UseIPv6\r | |
1168 | )\r | |
1169 | {\r | |
1170 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpPtr;\r | |
1171 | EFI_SIMPLE_NETWORK_MODE *SnpModePtr;\r | |
1172 | EFI_STATUS Status;\r | |
1173 | EFI_STATUS StatCode;\r | |
1174 | PXE_BASECODE_DEVICE *Private;\r | |
1175 | \r | |
1176 | //\r | |
1177 | // Lock the instance data\r | |
1178 | //\r | |
1179 | StatCode = EFI_SUCCESS;\r | |
1180 | \r | |
1181 | if (This == NULL) {\r | |
1182 | DEBUG ((DEBUG_ERROR, "BC *This pointer == NULL"));\r | |
1183 | return EFI_INVALID_PARAMETER;\r | |
1184 | }\r | |
1185 | \r | |
1186 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
1187 | \r | |
1188 | if (Private == NULL) {\r | |
1189 | DEBUG ((DEBUG_ERROR, "PXE_BASECODE_DEVICE pointer == NULL"));\r | |
1190 | return EFI_INVALID_PARAMETER;\r | |
1191 | }\r | |
1192 | \r | |
1193 | EfiAcquireLock (&Private->Lock);\r | |
1194 | \r | |
1195 | //\r | |
1196 | // Make sure BaseCode is not already started.\r | |
1197 | //\r | |
1198 | if (This->Mode->Started) {\r | |
1199 | DEBUG ((DEBUG_WARN, "\nBcStart() BC is already started.\n"));\r | |
1200 | EfiReleaseLock (&Private->Lock);\r | |
1201 | return EFI_ALREADY_STARTED;\r | |
1202 | }\r | |
1203 | \r | |
1204 | #if !SUPPORT_IPV6\r | |
1205 | //\r | |
1206 | // Fail if IPv6 is requested and not supported.\r | |
1207 | //\r | |
1208 | if (UseIPv6) {\r | |
1209 | DEBUG ((DEBUG_WARN, "\nBcStart() IPv6 is not supported.\n"));\r | |
1210 | EfiReleaseLock (&Private->Lock);\r | |
1211 | return EFI_UNSUPPORTED;\r | |
1212 | }\r | |
1213 | #endif\r | |
1214 | //\r | |
1215 | // Setup shortcuts to SNP protocol and data structure.\r | |
1216 | //\r | |
1217 | SnpPtr = Private->SimpleNetwork;\r | |
1218 | SnpModePtr = SnpPtr->Mode;\r | |
1219 | \r | |
1220 | //\r | |
1221 | // Start and initialize SNP.\r | |
1222 | //\r | |
1223 | if (SnpModePtr->State == EfiSimpleNetworkStopped) {\r | |
1224 | StatCode = (*SnpPtr->Start) (SnpPtr);\r | |
1225 | \r | |
1226 | if (SnpModePtr->State != EfiSimpleNetworkStarted) {\r | |
1227 | DEBUG ((DEBUG_WARN, "\nBcStart() Could not start SNP.\n"));\r | |
1228 | EfiReleaseLock (&Private->Lock);\r | |
1229 | return StatCode;\r | |
1230 | }\r | |
1231 | }\r | |
1232 | //\r | |
1233 | // acquire memory for mode and transmit/receive buffers\r | |
1234 | //\r | |
1235 | if (SnpModePtr->State == EfiSimpleNetworkStarted) {\r | |
1236 | StatCode = (*SnpPtr->Initialize) (SnpPtr, 0, 0);\r | |
1237 | \r | |
1238 | if (SnpModePtr->State != EfiSimpleNetworkInitialized) {\r | |
1239 | DEBUG ((DEBUG_WARN, "\nBcStart() Could not initialize SNP."));\r | |
1240 | EfiReleaseLock (&Private->Lock);\r | |
1241 | return StatCode;\r | |
1242 | }\r | |
1243 | }\r | |
1244 | //\r | |
1245 | // Dump debug info.\r | |
1246 | //\r | |
1247 | DEBUG ((DEBUG_INFO, "\nBC Start()"));\r | |
1248 | DEBUG (\r | |
1249 | (DEBUG_INFO,\r | |
1250 | "\nSnpModePtr->State %Xh",\r | |
1251 | SnpModePtr->State)\r | |
1252 | );\r | |
1253 | DEBUG (\r | |
1254 | (DEBUG_INFO,\r | |
1255 | "\nSnpModePtr->HwAddressSize %Xh",\r | |
1256 | SnpModePtr->HwAddressSize)\r | |
1257 | );\r | |
1258 | DEBUG (\r | |
1259 | (DEBUG_INFO,\r | |
1260 | "\nSnpModePtr->MediaHeaderSize %Xh",\r | |
1261 | SnpModePtr->MediaHeaderSize)\r | |
1262 | );\r | |
1263 | DEBUG (\r | |
1264 | (DEBUG_INFO,\r | |
1265 | "\nSnpModePtr->MaxPacketSize %Xh",\r | |
1266 | SnpModePtr->MaxPacketSize)\r | |
1267 | );\r | |
1268 | DEBUG (\r | |
1269 | (DEBUG_INFO,\r | |
1270 | "\nSnpModePtr->MacAddressChangeable %Xh",\r | |
1271 | SnpModePtr->MacAddressChangeable)\r | |
1272 | );\r | |
1273 | DEBUG (\r | |
1274 | (DEBUG_INFO,\r | |
1275 | "\nSnpModePtr->MultipleTxSupported %Xh",\r | |
1276 | SnpModePtr->MultipleTxSupported)\r | |
1277 | );\r | |
1278 | DEBUG (\r | |
1279 | (DEBUG_INFO,\r | |
1280 | "\nSnpModePtr->CurrentAddress %Xh",\r | |
1281 | *((UINTN *)&SnpModePtr->CurrentAddress))\r | |
1282 | );\r | |
1283 | DEBUG (\r | |
1284 | (DEBUG_INFO,\r | |
1285 | "\nSnpModePtr->BroadcastAddress %Xh",\r | |
1286 | *((UINTN *)&SnpModePtr->BroadcastAddress))\r | |
1287 | );\r | |
1288 | DEBUG (\r | |
1289 | (DEBUG_INFO,\r | |
1290 | "\nSnpModePtr->PermanentAddress %Xh",\r | |
1291 | *((UINTN *)&SnpModePtr->PermanentAddress))\r | |
1292 | );\r | |
1293 | DEBUG (\r | |
1294 | (DEBUG_INFO,\r | |
1295 | "\nSnpModePtr->NvRamSize %Xh",\r | |
1296 | SnpModePtr->NvRamSize)\r | |
1297 | );\r | |
1298 | DEBUG (\r | |
1299 | (DEBUG_INFO,\r | |
1300 | "\nSnpModePtr->NvRamAccessSize %Xh",\r | |
1301 | SnpModePtr->NvRamAccessSize)\r | |
1302 | );\r | |
1303 | DEBUG (\r | |
1304 | (DEBUG_INFO,\r | |
1305 | "\nSnpModePtr->ReceiveFilterMask %Xh",\r | |
1306 | SnpModePtr->ReceiveFilterMask)\r | |
1307 | );\r | |
1308 | DEBUG (\r | |
1309 | (DEBUG_INFO,\r | |
1310 | "\nSnpModePtr->ReceiveFilterSetting %Xh",\r | |
1311 | SnpModePtr->ReceiveFilterSetting)\r | |
1312 | );\r | |
1313 | DEBUG (\r | |
1314 | (DEBUG_INFO,\r | |
1315 | "\nSnpModePtr->MCastFilterCount %Xh",\r | |
1316 | SnpModePtr->MCastFilterCount)\r | |
1317 | );\r | |
1318 | DEBUG (\r | |
1319 | (DEBUG_INFO,\r | |
1320 | "\nSnpModePtr->MCastFilter %Xh",\r | |
1321 | SnpModePtr->MCastFilter)\r | |
1322 | );\r | |
1323 | DEBUG (\r | |
1324 | (DEBUG_INFO,\r | |
1325 | "\nSnpModePtr->IfType %Xh",\r | |
1326 | SnpModePtr->IfType)\r | |
1327 | );\r | |
1328 | DEBUG (\r | |
1329 | (DEBUG_INFO,\r | |
1330 | "\nSnpModePtr->MediaPresentSupported %Xh",\r | |
1331 | SnpModePtr->MediaPresentSupported)\r | |
1332 | );\r | |
1333 | DEBUG (\r | |
1334 | (DEBUG_INFO,\r | |
1335 | "\nSnpModePtr->MediaPresent %Xh",\r | |
1336 | SnpModePtr->MediaPresent)\r | |
1337 | );\r | |
1338 | \r | |
1339 | //\r | |
1340 | // If media check is supported and there is no media,\r | |
1341 | // return error to caller.\r | |
1342 | //\r | |
1343 | if (SnpModePtr->MediaPresentSupported && !SnpModePtr->MediaPresent) {\r | |
1344 | DEBUG ((DEBUG_WARN, "\nBcStart() Media not present.\n"));\r | |
1345 | EfiReleaseLock (&Private->Lock);\r | |
1346 | return EFI_NO_MEDIA;\r | |
1347 | }\r | |
1348 | //\r | |
1349 | // Allocate Tx/Rx buffers\r | |
1350 | //\r | |
1351 | Status = gBS->AllocatePool (\r | |
1352 | EfiBootServicesData,\r | |
1353 | BUFFER_ALLOCATE_SIZE,\r | |
687a2e5f | 1354 | (VOID **) &Private->TransmitBufferPtr\r |
772db4bb | 1355 | );\r |
1356 | \r | |
1357 | if (!EFI_ERROR (Status)) {\r | |
1358 | ZeroMem (Private->TransmitBufferPtr, BUFFER_ALLOCATE_SIZE);\r | |
1359 | } else {\r | |
1360 | DEBUG ((DEBUG_NET, "\nBcStart() Could not alloc TxBuf.\n"));\r | |
1361 | EfiReleaseLock (&Private->Lock);\r | |
1362 | return EFI_OUT_OF_RESOURCES;\r | |
1363 | }\r | |
1364 | \r | |
1365 | Status = gBS->AllocatePool (\r | |
1366 | EfiBootServicesData,\r | |
1367 | BUFFER_ALLOCATE_SIZE,\r | |
687a2e5f | 1368 | (VOID **) &Private->ReceiveBufferPtr\r |
772db4bb | 1369 | );\r |
1370 | \r | |
1371 | if (!EFI_ERROR (Status)) {\r | |
1372 | ZeroMem (Private->ReceiveBufferPtr, BUFFER_ALLOCATE_SIZE);\r | |
1373 | } else {\r | |
1374 | DEBUG ((DEBUG_NET, "\nBcStart() Could not alloc RxBuf.\n"));\r | |
1375 | gBS->FreePool (Private->TransmitBufferPtr);\r | |
1376 | EfiReleaseLock (&Private->Lock);\r | |
1377 | return EFI_OUT_OF_RESOURCES;\r | |
1378 | }\r | |
1379 | \r | |
1380 | Status = gBS->AllocatePool (\r | |
1381 | EfiBootServicesData,\r | |
1382 | 256,\r | |
687a2e5f | 1383 | (VOID **) &Private->TftpErrorBuffer\r |
772db4bb | 1384 | );\r |
1385 | \r | |
1386 | if (EFI_ERROR (Status)) {\r | |
1387 | gBS->FreePool (Private->ReceiveBufferPtr);\r | |
1388 | gBS->FreePool (Private->TransmitBufferPtr);\r | |
1389 | EfiReleaseLock (&Private->Lock);\r | |
1390 | return EFI_OUT_OF_RESOURCES;\r | |
1391 | }\r | |
1392 | \r | |
687a2e5f | 1393 | Status = gBS->AllocatePool (EfiBootServicesData, 256, (VOID **) &Private->TftpAckBuffer);\r |
772db4bb | 1394 | \r |
1395 | if (EFI_ERROR (Status)) {\r | |
1396 | gBS->FreePool (Private->TftpErrorBuffer);\r | |
1397 | gBS->FreePool (Private->ReceiveBufferPtr);\r | |
1398 | gBS->FreePool (Private->TransmitBufferPtr);\r | |
1399 | EfiReleaseLock (&Private->Lock);\r | |
1400 | return EFI_OUT_OF_RESOURCES;\r | |
1401 | }\r | |
1402 | //\r | |
1403 | // Initialize private BaseCode instance data\r | |
1404 | //\r | |
1405 | do {\r | |
1406 | Private->RandomPort = (UINT16) (Private->RandomPort + PXE_RND_PORT_LOW + Random (Private));\r | |
1407 | } while (Private->RandomPort < PXE_RND_PORT_LOW);\r | |
1408 | \r | |
1409 | Private->Igmpv1TimeoutEvent = NULL;\r | |
1410 | Private->UseIgmpv1Reporting = TRUE;\r | |
1411 | Private->IpLength = IP_ADDRESS_LENGTH (Private->EfiBc.Mode);\r | |
1412 | \r | |
1413 | //\r | |
1414 | // Initialize Mode structure\r | |
1415 | //\r | |
1416 | ZeroMem (Private->EfiBc.Mode, sizeof (EFI_PXE_BASE_CODE_MODE));\r | |
1417 | //\r | |
1418 | // check for callback protocol and set boolean\r | |
1419 | //\r | |
1420 | SetMakeCallback (Private);\r | |
1421 | Private->EfiBc.Mode->Started = TRUE;\r | |
1422 | Private->EfiBc.Mode->TTL = DEFAULT_TTL;\r | |
1423 | Private->EfiBc.Mode->ToS = DEFAULT_ToS;\r | |
1424 | Private->EfiBc.Mode->UsingIpv6 = UseIPv6;\r | |
1425 | \r | |
1426 | //\r | |
1427 | // Set to PXE_TRUE by the BC constructor if this BC implementation\r | |
1428 | // supports IPv6.\r | |
1429 | //\r | |
1430 | Private->EfiBc.Mode->Ipv6Supported = SUPPORT_IPV6;\r | |
1431 | \r | |
1432 | Private->EfiBc.Mode->Ipv6Available = FALSE;\r | |
1433 | //\r | |
1434 | // Set to TRUE by the BC constructor if this BC implementation\r | |
1435 | // supports BIS.\r | |
1436 | //\r | |
1437 | Private->EfiBc.Mode->BisSupported = TRUE;\r | |
1438 | Private->EfiBc.Mode->BisDetected = PxebcBisDetect (Private);\r | |
1439 | \r | |
1440 | //\r | |
1441 | // This field is set to PXE_TRUE by the BC Start() function. When this\r | |
1442 | // field is PXE_TRUE, ARP packets are sent as needed to get IP and MAC\r | |
1443 | // addresses. This can cause unexpected delays in the DHCP(), Discover()\r | |
1444 | // and MTFTP() functions. Setting this to PXE_FALSE will cause these\r | |
1445 | // functions to fail if the required IP/MAC information is not in the\r | |
1446 | // ARP cache. The value of this field can be changed by an application\r | |
1447 | // at any time.\r | |
1448 | //\r | |
1449 | Private->EfiBc.Mode->AutoArp = TRUE;\r | |
1450 | \r | |
1451 | //\r | |
1452 | // Unlock the instance data\r | |
1453 | //\r | |
1454 | EfiReleaseLock (&Private->Lock);\r | |
1455 | return EFI_SUCCESS;\r | |
1456 | }\r | |
1457 | \r | |
1458 | \r | |
1459 | /**\r | |
1460 | Stop the BaseCode protocol, Simple Network protocol and UNDI.\r | |
1461 | \r | |
1462 | @param Private Pointer to Pxe BaseCode Protocol\r | |
1463 | \r | |
1464 | @retval 0 Successfully stopped\r | |
1465 | @retval !0 Failed\r | |
1466 | \r | |
1467 | **/\r | |
1468 | EFI_STATUS\r | |
1469 | EFIAPI\r | |
1470 | BcStop (\r | |
1471 | IN EFI_PXE_BASE_CODE_PROTOCOL *This\r | |
1472 | )\r | |
1473 | {\r | |
1474 | //\r | |
1475 | // Lock the instance data\r | |
1476 | //\r | |
772db4bb | 1477 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpPtr;\r |
1478 | EFI_SIMPLE_NETWORK_MODE *SnpModePtr;\r | |
1479 | EFI_STATUS StatCode;\r | |
1480 | PXE_BASECODE_DEVICE *Private;\r | |
1481 | \r | |
1482 | StatCode = EFI_SUCCESS;\r | |
1483 | \r | |
1484 | if (This == NULL) {\r | |
1485 | DEBUG ((DEBUG_ERROR, "BC *This pointer == NULL"));\r | |
1486 | return EFI_INVALID_PARAMETER;\r | |
1487 | }\r | |
1488 | \r | |
1489 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
1490 | \r | |
1491 | if (Private == NULL) {\r | |
1492 | DEBUG ((DEBUG_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r | |
1493 | return EFI_INVALID_PARAMETER;\r | |
1494 | }\r | |
1495 | \r | |
1496 | EfiAcquireLock (&Private->Lock);\r | |
1497 | \r | |
772db4bb | 1498 | SnpPtr = Private->SimpleNetwork;\r |
1499 | SnpModePtr = SnpPtr->Mode;\r | |
1500 | \r | |
1501 | //\r | |
1502 | // Issue BC command\r | |
1503 | //\r | |
1504 | StatCode = EFI_NOT_STARTED;\r | |
1505 | \r | |
1506 | if (SnpModePtr->State == EfiSimpleNetworkInitialized) {\r | |
1507 | StatCode = (*SnpPtr->Shutdown) (SnpPtr);\r | |
1508 | }\r | |
1509 | \r | |
1510 | if (SnpModePtr->State == EfiSimpleNetworkStarted) {\r | |
1511 | StatCode = (*SnpPtr->Stop) (SnpPtr);\r | |
1512 | }\r | |
1513 | \r | |
1514 | if (Private->TransmitBufferPtr != NULL) {\r | |
1515 | gBS->FreePool (Private->TransmitBufferPtr);\r | |
1516 | Private->TransmitBufferPtr = NULL;\r | |
1517 | }\r | |
1518 | \r | |
1519 | if (Private->ReceiveBufferPtr != NULL) {\r | |
1520 | gBS->FreePool (Private->ReceiveBufferPtr);\r | |
1521 | Private->ReceiveBufferPtr = NULL;\r | |
1522 | }\r | |
1523 | \r | |
1524 | if (Private->ArpBuffer != NULL) {\r | |
1525 | gBS->FreePool (Private->ArpBuffer);\r | |
1526 | Private->ArpBuffer = NULL;\r | |
1527 | }\r | |
1528 | \r | |
1529 | if (Private->TftpErrorBuffer != NULL) {\r | |
1530 | gBS->FreePool (Private->TftpErrorBuffer);\r | |
1531 | Private->TftpErrorBuffer = NULL;\r | |
1532 | }\r | |
1533 | \r | |
1534 | if (Private->TftpAckBuffer != NULL) {\r | |
1535 | gBS->FreePool (Private->TftpAckBuffer);\r | |
1536 | Private->TftpAckBuffer = NULL;\r | |
1537 | }\r | |
1538 | \r | |
1539 | if (Private->Igmpv1TimeoutEvent != NULL) {\r | |
1540 | gBS->CloseEvent (Private->Igmpv1TimeoutEvent);\r | |
1541 | Private->Igmpv1TimeoutEvent = NULL;\r | |
1542 | }\r | |
1543 | \r | |
1544 | Private->FileSize = 0;\r | |
1545 | \r | |
1546 | if (!Private->EfiBc.Mode->Started) {\r | |
1547 | StatCode = EFI_NOT_STARTED;\r | |
1548 | } else {\r | |
1549 | Private->EfiBc.Mode->Started = FALSE;\r | |
1550 | }\r | |
1551 | \r | |
1552 | //\r | |
1553 | // Unlock the instance data\r | |
1554 | //\r | |
1555 | EfiReleaseLock (&Private->Lock);\r | |
1556 | return StatCode;\r | |
1557 | }\r | |
1558 | \r | |
84b5c78e | 1559 | const IPV4_ADDR AllSystemsGroup = {{224, 0, 0, 1}};\r |
772db4bb | 1560 | \r |
1561 | \r | |
1562 | /**\r | |
1563 | Set up the IP filter\r | |
1564 | \r | |
1565 | @param Private Pointer to Pxe BaseCode Protocol\r | |
1566 | @param Filter Pointer to the filter\r | |
1567 | \r | |
1568 | @retval 0 Successfully set the filter\r | |
1569 | @retval !0 Failed\r | |
1570 | \r | |
1571 | **/\r | |
1572 | EFI_STATUS\r | |
1573 | IpFilter (\r | |
1574 | IN PXE_BASECODE_DEVICE *Private,\r | |
1575 | IN EFI_PXE_BASE_CODE_IP_FILTER *Filter\r | |
1576 | )\r | |
1577 | {\r | |
1578 | EFI_STATUS StatCode;\r | |
1579 | EFI_MAC_ADDRESS MACadds[PXE_IP_FILTER_SIZE];\r | |
1580 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
1581 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpPtr;\r | |
1582 | EFI_SIMPLE_NETWORK_MODE *SnpModePtr;\r | |
1583 | UINT32 Enable;\r | |
1584 | UINT32 Disable;\r | |
1585 | UINTN Index;\r | |
1586 | UINTN Index2;\r | |
1587 | \r | |
1588 | PxebcMode = Private->EfiBc.Mode;\r | |
1589 | SnpPtr = Private->SimpleNetwork;\r | |
1590 | SnpModePtr = SnpPtr->Mode;\r | |
1591 | \r | |
1592 | //\r | |
1593 | // validate input parameters\r | |
1594 | // must have a filter\r | |
1595 | // must not have any extra filter bits set\r | |
1596 | //\r | |
1597 | if (Filter == NULL ||\r | |
1598 | (Filter->Filters &~FILTER_BITS)\r | |
1599 | //\r | |
1600 | // must not have a count which is too large or with no IP list\r | |
1601 | //\r | |
1602 | ||\r | |
1603 | (Filter->IpCnt && (!Filter->IpList || Filter->IpCnt > PXE_IP_FILTER_SIZE))\r | |
1604 | //\r | |
1605 | // must not have incompatible filters - promiscuous incompatible with anything else\r | |
1606 | //\r | |
1607 | ||\r | |
1608 | (\r | |
1609 | (Filter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS) &&\r | |
1610 | ((Filter->Filters &~EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS) || Filter->IpCnt)\r | |
1611 | )\r | |
1612 | ) {\r | |
1613 | DEBUG ((DEBUG_INFO, "\nIpFilter() Exit #1"));\r | |
1614 | return EFI_INVALID_PARAMETER;\r | |
1615 | }\r | |
1616 | //\r | |
1617 | // promiscuous multicast incompatible with multicast in IP list\r | |
1618 | //\r | |
1619 | if (Filter->IpCnt && (Filter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS_MULTICAST)) {\r | |
1620 | for (Index = 0; Index < Filter->IpCnt; ++Index) {\r | |
1621 | if (IS_MULTICAST (&Filter->IpList[Index])) {\r | |
1622 | DEBUG ((DEBUG_INFO, "\nIpFilter() Exit #2"));\r | |
1623 | return EFI_INVALID_PARAMETER;\r | |
1624 | }\r | |
1625 | }\r | |
1626 | }\r | |
1627 | //\r | |
1628 | // leave groups for all those multicast which are no longer enabled\r | |
1629 | //\r | |
1630 | for (Index = 0; Index < PxebcMode->IpFilter.IpCnt; ++Index) {\r | |
1631 | if (!IS_MULTICAST (&PxebcMode->IpFilter.IpList[Index])) {\r | |
1632 | continue;\r | |
1633 | }\r | |
1634 | \r | |
1635 | for (Index2 = 0; Index2 < Filter->IpCnt; ++Index2) {\r | |
1636 | if (!CompareMem (&PxebcMode->IpFilter.IpList[Index], &Filter->IpList[Index2], IP_ADDRESS_LENGTH (PxebcMode))) {\r | |
1637 | //\r | |
1638 | // still enabled\r | |
1639 | //\r | |
1640 | break;\r | |
1641 | }\r | |
1642 | }\r | |
1643 | //\r | |
1644 | // if we didn't find it, remove from group\r | |
1645 | //\r | |
1646 | if (Index2 == Filter->IpCnt) {\r | |
1647 | IgmpLeaveGroup (Private, &PxebcMode->IpFilter.IpList[Index]);\r | |
1648 | }\r | |
1649 | }\r | |
1650 | //\r | |
1651 | // set enable bits, convert multicast ip adds, join groups\r | |
1652 | // allways leave receive broadcast enabled at hardware layer\r | |
1653 | //\r | |
1654 | Index2 = 0;\r | |
1655 | \r | |
1656 | if (Filter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS) {\r | |
1657 | Enable = EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
1658 | } else {\r | |
1659 | if (Filter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS_MULTICAST) {\r | |
1660 | Enable = EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
1661 | } else {\r | |
1662 | Enable = EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r | |
1663 | \r | |
1664 | for (Index = 0; Index < Filter->IpCnt; ++Index) {\r | |
67a58d0f | 1665 | CopyMem (&PxebcMode->IpFilter.IpList[Index], &Filter->IpList[Index], sizeof (EFI_IP_ADDRESS));\r |
772db4bb | 1666 | \r |
1667 | if (IS_MULTICAST (&Filter->IpList[Index])) {\r | |
1668 | EFI_IP_ADDRESS *TmpIp;\r | |
1669 | \r | |
1670 | Enable |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r | |
1671 | \r | |
1672 | //\r | |
1673 | // if this is the first group, add the all systems group to mcast list\r | |
1674 | //\r | |
1675 | if (!Index2)\r | |
1676 | {\r | |
67a58d0f | 1677 | TmpIp = (EFI_IP_ADDRESS *) &AllSystemsGroup;\r |
772db4bb | 1678 | --Index;\r |
1679 | } else {\r | |
1680 | TmpIp = (EFI_IP_ADDRESS *) &Filter->IpList[Index];\r | |
1681 | }\r | |
1682 | //\r | |
1683 | // get MAC address of IP\r | |
1684 | //\r | |
1685 | StatCode = (*SnpPtr->MCastIpToMac) (SnpPtr, PxebcMode->UsingIpv6, TmpIp, &MACadds[Index2++]);\r | |
1686 | \r | |
1687 | if (EFI_ERROR (StatCode)) {\r | |
1688 | DEBUG (\r | |
1689 | (DEBUG_INFO,\r | |
1690 | "\nIpFilter() Exit #2 %Xh (%r)",\r | |
1691 | StatCode,\r | |
1692 | StatCode)\r | |
1693 | );\r | |
1694 | return StatCode;\r | |
1695 | }\r | |
1696 | } else {\r | |
1697 | Enable |= EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r | |
1698 | }\r | |
1699 | }\r | |
1700 | }\r | |
1701 | \r | |
1702 | if (Filter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) {\r | |
1703 | Enable |= EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r | |
1704 | }\r | |
1705 | }\r | |
1706 | //\r | |
1707 | // if nothing changed, just return\r | |
1708 | //\r | |
1709 | DEBUG (\r | |
1710 | (DEBUG_INFO,\r | |
1711 | "\nsnp->ReceiveFilterSetting == %Xh Filter->IpCnt == %Xh",\r | |
1712 | SnpModePtr->ReceiveFilterSetting,\r | |
1713 | Filter->IpCnt)\r | |
1714 | );\r | |
1715 | \r | |
1716 | if (SnpModePtr->ReceiveFilterSetting == Enable && !Filter->IpCnt) {\r | |
1717 | DEBUG ((DEBUG_INFO, "\nIpFilter() Exit #4"));\r | |
1718 | return EFI_SUCCESS;\r | |
1719 | }\r | |
1720 | //\r | |
1721 | // disable those currently set but not set in new filter\r | |
1722 | //\r | |
1723 | Disable = SnpModePtr->ReceiveFilterSetting &~Enable;\r | |
1724 | \r | |
1725 | StatCode = SnpPtr->ReceiveFilters (SnpPtr, Enable, Disable, FALSE, Index2, MACadds);\r | |
1726 | \r | |
1727 | PxebcMode->IpFilter.IpCnt = Filter->IpCnt;\r | |
1728 | \r | |
1729 | //\r | |
1730 | // join groups for all multicast in list\r | |
1731 | //\r | |
1732 | for (Index = 0; Index < Filter->IpCnt; ++Index) {\r | |
1733 | if (IS_MULTICAST (&Filter->IpList[Index])) {\r | |
1734 | IgmpJoinGroup (Private, &Filter->IpList[Index]);\r | |
1735 | }\r | |
1736 | }\r | |
1737 | \r | |
1738 | DEBUG ((DEBUG_INFO, "\nIpFilter() Exit #5 %Xh (%r)", StatCode, StatCode));\r | |
1739 | \r | |
1740 | return StatCode;\r | |
1741 | }\r | |
1742 | \r | |
1743 | \r | |
1744 | /**\r | |
1745 | Call the IP filter\r | |
1746 | \r | |
1747 | @param Private Pointer to Pxe BaseCode Protocol\r | |
1748 | @param Filter Pointer to the filter\r | |
1749 | \r | |
1750 | @retval 0 Successfully set the filter\r | |
1751 | @retval !0 Failed\r | |
1752 | \r | |
1753 | **/\r | |
1754 | EFI_STATUS\r | |
1755 | EFIAPI\r | |
1756 | BcIpFilter (\r | |
1757 | IN EFI_PXE_BASE_CODE_PROTOCOL *This,\r | |
1758 | IN EFI_PXE_BASE_CODE_IP_FILTER *Filter\r | |
1759 | )\r | |
1760 | {\r | |
1761 | EFI_STATUS StatCode;\r | |
1762 | PXE_BASECODE_DEVICE *Private;\r | |
1763 | UINTN Index;\r | |
1764 | //\r | |
1765 | // Lock the instance data and make sure started\r | |
1766 | //\r | |
1767 | StatCode = EFI_SUCCESS;\r | |
1768 | \r | |
1769 | if (This == NULL) {\r | |
1770 | DEBUG ((DEBUG_ERROR, "BC *This pointer == NULL"));\r | |
1771 | return EFI_INVALID_PARAMETER;\r | |
1772 | }\r | |
1773 | \r | |
1774 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
1775 | \r | |
1776 | if (Private == NULL) {\r | |
1777 | DEBUG ((DEBUG_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r | |
1778 | return EFI_INVALID_PARAMETER;\r | |
1779 | }\r | |
1780 | \r | |
1781 | for (Index = 0; Index < Filter->IpCnt; ++Index) {\r | |
1782 | if ((Filter->IpList[Index].Addr[0]) == BROADCAST_IPv4) {\r | |
1783 | //\r | |
1784 | // The IP is a broadcast address.\r | |
1785 | //\r | |
1786 | return EFI_INVALID_PARAMETER;\r | |
1787 | }\r | |
1788 | }\r | |
1789 | \r | |
1790 | EfiAcquireLock (&Private->Lock);\r | |
1791 | \r | |
1792 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
1793 | DEBUG ((DEBUG_ERROR, "BC was not started."));\r | |
1794 | EfiReleaseLock (&Private->Lock);\r | |
1795 | return EFI_NOT_STARTED;\r | |
1796 | }\r | |
1797 | \r | |
1798 | if (Filter == NULL) {\r | |
1799 | return EFI_INVALID_PARAMETER;\r | |
1800 | }\r | |
1801 | //\r | |
1802 | // Issue BC command\r | |
1803 | //\r | |
1804 | StatCode = IpFilter (Private, Filter);\r | |
1805 | \r | |
1806 | //\r | |
1807 | // Unlock the instance data\r | |
1808 | //\r | |
1809 | EfiReleaseLock (&Private->Lock);\r | |
1810 | return StatCode;\r | |
1811 | }\r | |
1812 | \r | |
1813 | \r | |
1814 | /**\r | |
1815 | Set the Base Code behavior parameters\r | |
1816 | \r | |
1817 | @param This Pointer to Pxe BaseCode Protocol\r | |
1818 | @param AutoArpPtr Boolean to do ARP stuff\r | |
1819 | @param SendGuidPtr Boolean whether or not to send GUID info\r | |
1820 | @param TimeToLivePtr Value for Total time to live\r | |
1821 | @param TypeOfServicePtr Value for Type of Service\r | |
1822 | @param MakeCallbackPtr Boolean to determine if we make callbacks\r | |
1823 | \r | |
1824 | @retval 0 Successfully set the parameters\r | |
1825 | @retval !0 Failed\r | |
1826 | \r | |
1827 | **/\r | |
1828 | EFI_STATUS\r | |
1829 | EFIAPI\r | |
1830 | BcSetParameters (\r | |
1831 | EFI_PXE_BASE_CODE_PROTOCOL *This,\r | |
1832 | BOOLEAN *AutoArpPtr,\r | |
1833 | BOOLEAN *SendGuidPtr,\r | |
1834 | UINT8 *TimeToLivePtr,\r | |
1835 | UINT8 *TypeOfServicePtr,\r | |
1836 | BOOLEAN *MakeCallbackPtr\r | |
1837 | )\r | |
1838 | {\r | |
1839 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
1840 | EFI_GUID TmpGuid;\r | |
1841 | UINT8 *SerialNumberPtr;\r | |
1842 | EFI_STATUS StatCode;\r | |
1843 | PXE_BASECODE_DEVICE *Private;\r | |
1844 | \r | |
1845 | //\r | |
1846 | // Lock the instance data and make sure started\r | |
1847 | //\r | |
1848 | StatCode = EFI_SUCCESS;\r | |
1849 | \r | |
1850 | if (This == NULL) {\r | |
1851 | DEBUG ((DEBUG_ERROR, "BC *This pointer == NULL"));\r | |
1852 | return EFI_INVALID_PARAMETER;\r | |
1853 | }\r | |
1854 | \r | |
1855 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
1856 | \r | |
1857 | if (Private == NULL) {\r | |
1858 | DEBUG ((DEBUG_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r | |
1859 | return EFI_INVALID_PARAMETER;\r | |
1860 | }\r | |
1861 | \r | |
1862 | EfiAcquireLock (&Private->Lock);\r | |
1863 | \r | |
1864 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
1865 | DEBUG ((DEBUG_ERROR, "BC was not started."));\r | |
1866 | EfiReleaseLock (&Private->Lock);\r | |
1867 | return EFI_NOT_STARTED;\r | |
1868 | }\r | |
1869 | \r | |
1870 | DEBUG ((DEBUG_INFO, "\nSetParameters() Entry. "));\r | |
1871 | \r | |
1872 | PxebcMode = Private->EfiBc.Mode;\r | |
1873 | StatCode = EFI_SUCCESS;\r | |
1874 | \r | |
1875 | if (SendGuidPtr != NULL) {\r | |
1876 | if (*SendGuidPtr) {\r | |
687a2e5f | 1877 | if (PxeBcLibGetSmbiosSystemGuidAndSerialNumber (&TmpGuid, (CHAR8 **) &SerialNumberPtr) != EFI_SUCCESS) {\r |
772db4bb | 1878 | return EFI_INVALID_PARAMETER;\r |
1879 | }\r | |
1880 | }\r | |
1881 | }\r | |
1882 | \r | |
1883 | if (MakeCallbackPtr != NULL) {\r | |
1884 | if (*MakeCallbackPtr) {\r | |
1885 | if (!SetMakeCallback (Private)) {\r | |
1886 | return EFI_INVALID_PARAMETER;\r | |
1887 | }\r | |
1888 | }\r | |
1889 | \r | |
1890 | PxebcMode->MakeCallbacks = *MakeCallbackPtr;\r | |
1891 | }\r | |
1892 | \r | |
1893 | if (AutoArpPtr != NULL) {\r | |
1894 | PxebcMode->AutoArp = *AutoArpPtr;\r | |
1895 | }\r | |
1896 | \r | |
1897 | if (SendGuidPtr != NULL) {\r | |
1898 | PxebcMode->SendGUID = *SendGuidPtr;\r | |
1899 | }\r | |
1900 | \r | |
1901 | if (TimeToLivePtr != NULL) {\r | |
1902 | PxebcMode->TTL = *TimeToLivePtr;\r | |
1903 | }\r | |
1904 | \r | |
1905 | if (TypeOfServicePtr != NULL) {\r | |
1906 | PxebcMode->ToS = *TypeOfServicePtr;\r | |
1907 | }\r | |
1908 | //\r | |
1909 | // Unlock the instance data\r | |
1910 | //\r | |
1911 | DEBUG ((DEBUG_INFO, "\nSetparameters() Exit = %xh ", StatCode));\r | |
1912 | \r | |
1913 | EfiReleaseLock (&Private->Lock);\r | |
1914 | return StatCode;\r | |
1915 | }\r | |
1916 | //\r | |
1917 | // //////////////////////////////////////////////////////////\r | |
1918 | //\r | |
1919 | // BC Set Station IP Routine\r | |
1920 | //\r | |
1921 | \r | |
1922 | /**\r | |
1923 | Set the station IP address\r | |
1924 | \r | |
1925 | @param This Pointer to Pxe BaseCode Protocol\r | |
1926 | @param StationIpPtr Pointer to the requested IP address to set in base\r | |
1927 | code\r | |
1928 | @param SubnetMaskPtr Pointer to the requested subnet mask for the base\r | |
1929 | code\r | |
1930 | \r | |
1931 | @retval EFI_SUCCESS Successfully set the parameters\r | |
1932 | @retval EFI_NOT_STARTED BC has not started\r | |
1933 | \r | |
1934 | **/\r | |
1935 | EFI_STATUS\r | |
1936 | EFIAPI\r | |
1937 | BcSetStationIP (\r | |
1938 | IN EFI_PXE_BASE_CODE_PROTOCOL *This,\r | |
1939 | IN EFI_IP_ADDRESS *StationIpPtr,\r | |
1940 | IN EFI_IP_ADDRESS *SubnetMaskPtr\r | |
1941 | )\r | |
1942 | {\r | |
1943 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
1944 | EFI_STATUS StatCode;\r | |
1945 | PXE_BASECODE_DEVICE *Private;\r | |
1946 | UINT32 SubnetMask;\r | |
1947 | \r | |
1948 | //\r | |
1949 | // Lock the instance data and make sure started\r | |
1950 | //\r | |
1951 | StatCode = EFI_SUCCESS;\r | |
1952 | \r | |
1953 | if (This == NULL) {\r | |
1954 | DEBUG ((DEBUG_ERROR, "BC *This pointer == NULL"));\r | |
1955 | return EFI_INVALID_PARAMETER;\r | |
1956 | }\r | |
1957 | \r | |
1958 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
1959 | \r | |
1960 | if (Private == NULL) {\r | |
1961 | DEBUG ((DEBUG_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r | |
1962 | return EFI_INVALID_PARAMETER;\r | |
1963 | }\r | |
1964 | \r | |
1965 | EfiAcquireLock (&Private->Lock);\r | |
1966 | \r | |
1967 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
1968 | DEBUG ((DEBUG_ERROR, "BC was not started."));\r | |
1969 | StatCode = EFI_NOT_STARTED;\r | |
1970 | goto RELEASE_LOCK;\r | |
1971 | }\r | |
1972 | \r | |
1973 | PxebcMode = Private->EfiBc.Mode;\r | |
1974 | \r | |
1975 | if (!Private->GoodStationIp && ((StationIpPtr == NULL) || (SubnetMaskPtr == NULL))) {\r | |
1976 | //\r | |
1977 | // It's not allowed to only set one of the two addresses while there isn't a previous\r | |
1978 | // GOOD address configuration.\r | |
1979 | //\r | |
1980 | StatCode = EFI_INVALID_PARAMETER;\r | |
1981 | goto RELEASE_LOCK;\r | |
1982 | }\r | |
1983 | \r | |
1984 | if (SubnetMaskPtr != NULL) {\r | |
1985 | SubnetMask = SubnetMaskPtr->Addr[0];\r | |
1986 | \r | |
1987 | if (SubnetMask & (SubnetMask + 1)) {\r | |
1988 | //\r | |
1989 | // the subnet mask is valid if it's with leading continuous 1 bits.\r | |
1990 | //\r | |
1991 | StatCode = EFI_INVALID_PARAMETER;\r | |
1992 | goto RELEASE_LOCK;\r | |
1993 | }\r | |
1994 | } else {\r | |
1995 | SubnetMaskPtr = &PxebcMode->SubnetMask;\r | |
1996 | SubnetMask = SubnetMaskPtr->Addr[0];\r | |
1997 | }\r | |
1998 | \r | |
1999 | if (StationIpPtr == NULL) {\r | |
2000 | StationIpPtr = &PxebcMode->StationIp;\r | |
2001 | }\r | |
2002 | \r | |
2003 | if (!IS_INADDR_UNICAST (StationIpPtr) ||\r | |
2004 | ((StationIpPtr->Addr[0] | SubnetMask) == BROADCAST_IPv4)) {\r | |
2005 | //\r | |
2006 | // The station IP is not a unicast address.\r | |
2007 | //\r | |
2008 | StatCode = EFI_INVALID_PARAMETER;\r | |
2009 | goto RELEASE_LOCK;\r | |
2010 | }\r | |
2011 | \r | |
67a58d0f | 2012 | CopyMem (&PxebcMode->StationIp, StationIpPtr, sizeof (EFI_IP_ADDRESS));\r |
2013 | CopyMem (&PxebcMode->SubnetMask, SubnetMaskPtr, sizeof (EFI_IP_ADDRESS));\r | |
772db4bb | 2014 | Private->GoodStationIp = TRUE;\r |
2015 | \r | |
2016 | RELEASE_LOCK:\r | |
2017 | //\r | |
2018 | // Unlock the instance data\r | |
2019 | //\r | |
2020 | EfiReleaseLock (&Private->Lock);\r | |
2021 | \r | |
2022 | return StatCode;\r | |
2023 | }\r | |
2024 | \r | |
2025 | EFI_DRIVER_BINDING_PROTOCOL mPxeBcDriverBinding = {\r | |
2026 | PxeBcDriverSupported,\r | |
2027 | PxeBcDriverStart,\r | |
2028 | PxeBcDriverStop,\r | |
2029 | 0xa,\r | |
2030 | NULL,\r | |
2031 | NULL\r | |
2032 | };\r | |
2033 | \r | |
2034 | \r | |
2035 | /**\r | |
2036 | Test to see if this driver supports Controller. Any Controller\r | |
2037 | than contains a Snp protocol can be supported.\r | |
2038 | \r | |
2039 | @param This Protocol instance pointer.\r | |
2040 | @param Controller Handle of device to test.\r | |
2041 | @param RemainingDevicePath Not used.\r | |
2042 | \r | |
2043 | @retval EFI_SUCCESS This driver supports this device.\r | |
2044 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
2045 | @retval other This driver does not support this device.\r | |
2046 | \r | |
2047 | **/\r | |
2048 | EFI_STATUS\r | |
2049 | EFIAPI\r | |
2050 | PxeBcDriverSupported (\r | |
2051 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
2052 | IN EFI_HANDLE Controller,\r | |
2053 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
2054 | )\r | |
2055 | {\r | |
2056 | EFI_STATUS Status;\r | |
2057 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpPtr;\r | |
2058 | \r | |
2059 | Status = gBS->OpenProtocol (\r | |
2060 | Controller,\r | |
2061 | &gEfiDevicePathProtocolGuid,\r | |
2062 | NULL,\r | |
2063 | This->DriverBindingHandle,\r | |
2064 | Controller,\r | |
2065 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
2066 | );\r | |
2067 | \r | |
2068 | if (EFI_ERROR (Status)) {\r | |
2069 | return Status;\r | |
2070 | }\r | |
2071 | \r | |
2072 | Status = gBS->OpenProtocol (\r | |
2073 | Controller,\r | |
2074 | &gEfiSimpleNetworkProtocolGuid,\r | |
2075 | (VOID **) &SnpPtr,\r | |
2076 | This->DriverBindingHandle,\r | |
2077 | Controller,\r | |
2078 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
2079 | );\r | |
2080 | if (EFI_ERROR (Status)) {\r | |
2081 | return Status;\r | |
2082 | }\r | |
2083 | \r | |
2084 | gBS->CloseProtocol (\r | |
2085 | Controller,\r | |
2086 | &gEfiSimpleNetworkProtocolGuid,\r | |
2087 | This->DriverBindingHandle,\r | |
2088 | Controller\r | |
2089 | );\r | |
2090 | \r | |
2091 | return Status;\r | |
2092 | }\r | |
2093 | \r | |
2094 | \r | |
2095 | /**\r | |
2096 | Start the Base code driver.\r | |
2097 | \r | |
2098 | @param This Protocol instance pointer.\r | |
2099 | @param Controller Handle of device to test.\r | |
2100 | @param RemainingDevicePath Not used.\r | |
2101 | \r | |
2102 | @retval EFI_SUCCESS This driver supports this device.\r | |
2103 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
2104 | @retval other This driver does not support this device.\r | |
2105 | \r | |
2106 | **/\r | |
2107 | EFI_STATUS\r | |
2108 | EFIAPI\r | |
2109 | PxeBcDriverStart (\r | |
2110 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
2111 | IN EFI_HANDLE Controller,\r | |
2112 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
2113 | )\r | |
2114 | {\r | |
2115 | EFI_STATUS Status;\r | |
2116 | PXE_BASECODE_DEVICE *Private;\r | |
2117 | LOADFILE_DEVICE *pLF;\r | |
2118 | \r | |
2119 | //\r | |
2120 | // Allocate structures needed by BaseCode and LoadFile protocols.\r | |
2121 | //\r | |
2122 | Private = AllocateZeroPool (sizeof (PXE_BASECODE_DEVICE));\r | |
2123 | \r | |
2124 | if (Private == NULL ) {\r | |
2125 | DEBUG ((EFI_D_NET, "\nBcNotifySnp() Could not alloc PXE_BASECODE_DEVICE structure.\n"));\r | |
2126 | return EFI_OUT_OF_RESOURCES;\r | |
2127 | }\r | |
2128 | \r | |
2129 | pLF = AllocateZeroPool (sizeof (LOADFILE_DEVICE));\r | |
2130 | if (pLF == NULL) {\r | |
2131 | DEBUG ((EFI_D_NET, "\nBcNotifySnp() Could not alloc LOADFILE_DEVICE structure.\n"));\r | |
2132 | FreePool (Private);\r | |
2133 | return EFI_OUT_OF_RESOURCES;\r | |
2134 | }\r | |
2135 | \r | |
2136 | Private->EfiBc.Mode = AllocateZeroPool (sizeof (EFI_PXE_BASE_CODE_MODE));\r | |
2137 | if (Private->EfiBc.Mode == NULL) {\r | |
2138 | DEBUG ((EFI_D_NET, "\nBcNotifySnp() Could not alloc Mode structure.\n"));\r | |
2139 | FreePool (Private);\r | |
2140 | FreePool (pLF);\r | |
2141 | return EFI_OUT_OF_RESOURCES;\r | |
2142 | }\r | |
2143 | //\r | |
2144 | // Lock access, just in case\r | |
2145 | //\r | |
2146 | EfiInitializeLock (&Private->Lock, TPL_CALLBACK);\r | |
2147 | EfiAcquireLock (&Private->Lock);\r | |
2148 | \r | |
2149 | EfiInitializeLock (&pLF->Lock, TPL_CALLBACK);\r | |
2150 | EfiAcquireLock (&pLF->Lock);\r | |
2151 | \r | |
2152 | //\r | |
2153 | // Initialize PXE structure\r | |
2154 | //\r | |
2155 | //\r | |
2156 | // First initialize the internal 'private' data that the application\r | |
2157 | // does not see.\r | |
2158 | //\r | |
2159 | Private->Signature = PXE_BASECODE_DEVICE_SIGNATURE;\r | |
2160 | Private->Handle = Controller;\r | |
2161 | \r | |
2162 | //\r | |
2163 | // Get the NII interface\r | |
2164 | //\r | |
2165 | Status = gBS->OpenProtocol (\r | |
2166 | Controller,\r | |
2167 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
2168 | (VOID **) &Private->NiiPtr,\r | |
2169 | This->DriverBindingHandle,\r | |
2170 | Controller,\r | |
2171 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
2172 | );\r | |
2173 | \r | |
2174 | if (EFI_ERROR (Status)) {\r | |
41057d77 | 2175 | goto PxeBcError;\r |
772db4bb | 2176 | }\r |
41057d77 | 2177 | \r |
772db4bb | 2178 | //\r |
2179 | // Get the Snp interface\r | |
2180 | //\r | |
2181 | Status = gBS->OpenProtocol (\r | |
2182 | Controller,\r | |
2183 | &gEfiSimpleNetworkProtocolGuid,\r | |
2184 | (VOID **) &Private->SimpleNetwork,\r | |
2185 | This->DriverBindingHandle,\r | |
2186 | Controller,\r | |
2187 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
2188 | );\r | |
2189 | \r | |
2190 | if (EFI_ERROR (Status)) {\r | |
2191 | goto PxeBcError;\r | |
2192 | }\r | |
2193 | \r | |
2194 | //\r | |
2195 | // Next, initialize the external 'public' data that\r | |
2196 | // the application does see.\r | |
2197 | //\r | |
2198 | Private->EfiBc.Revision = EFI_PXE_BASE_CODE_PROTOCOL_REVISION;\r | |
2199 | Private->EfiBc.Start = BcStart;\r | |
2200 | Private->EfiBc.Stop = BcStop;\r | |
2201 | Private->EfiBc.Dhcp = BcDhcp;\r | |
2202 | Private->EfiBc.Discover = BcDiscover;\r | |
2203 | Private->EfiBc.Mtftp = BcMtftp;\r | |
2204 | Private->EfiBc.UdpWrite = BcUdpWrite;\r | |
2205 | Private->EfiBc.UdpRead = BcUdpRead;\r | |
2206 | Private->EfiBc.Arp = BcArp;\r | |
2207 | Private->EfiBc.SetIpFilter = BcIpFilter;\r | |
2208 | Private->EfiBc.SetParameters = BcSetParameters;\r | |
2209 | Private->EfiBc.SetStationIp = BcSetStationIP;\r | |
2210 | Private->EfiBc.SetPackets = BcSetPackets;\r | |
2211 | \r | |
2212 | //\r | |
2213 | // Initialize BaseCode Mode structure\r | |
2214 | //\r | |
2215 | Private->EfiBc.Mode->Started = FALSE;\r | |
2216 | Private->EfiBc.Mode->TTL = DEFAULT_TTL;\r | |
2217 | Private->EfiBc.Mode->ToS = DEFAULT_ToS;\r | |
2218 | Private->EfiBc.Mode->UsingIpv6 = FALSE;\r | |
2219 | Private->EfiBc.Mode->AutoArp = TRUE;\r | |
2220 | \r | |
2221 | //\r | |
2222 | // Set to PXE_TRUE by the BC constructor if this BC\r | |
2223 | // implementation supports IPv6.\r | |
2224 | //\r | |
2225 | Private->EfiBc.Mode->Ipv6Supported = SUPPORT_IPV6;\r | |
2226 | \r | |
2227 | #if SUPPORT_IPV6\r | |
2228 | Private->EfiBc.Mode->Ipv6Available = Private->NiiPtr->Ipv6Supported;\r | |
2229 | #else\r | |
2230 | Private->EfiBc.Mode->Ipv6Available = FALSE;\r | |
2231 | #endif\r | |
2232 | //\r | |
2233 | // Set to TRUE by the BC constructor if this BC\r | |
2234 | // implementation supports BIS.\r | |
2235 | //\r | |
2236 | Private->EfiBc.Mode->BisSupported = TRUE;\r | |
2237 | Private->EfiBc.Mode->BisDetected = PxebcBisDetect (Private);\r | |
2238 | \r | |
2239 | //\r | |
2240 | // Initialize LoadFile structure.\r | |
2241 | //\r | |
2242 | pLF->Signature = LOADFILE_DEVICE_SIGNATURE;\r | |
2243 | pLF->LoadFile.LoadFile = LoadFile;\r | |
2244 | pLF->Private = Private;\r | |
2245 | \r | |
2246 | //\r | |
2247 | // Install protocol interfaces.\r | |
2248 | //\r | |
2249 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
2250 | &Controller,\r | |
2251 | &gEfiPxeBaseCodeProtocolGuid,\r | |
2252 | &Private->EfiBc,\r | |
2253 | &gEfiLoadFileProtocolGuid,\r | |
2254 | &pLF->LoadFile,\r | |
2255 | NULL\r | |
2256 | );\r | |
2257 | \r | |
2258 | if (EFI_ERROR (Status)) {\r | |
2259 | gBS->CloseProtocol (\r | |
2260 | Controller,\r | |
2261 | &gEfiSimpleNetworkProtocolGuid,\r | |
2262 | This->DriverBindingHandle,\r | |
2263 | Controller\r | |
2264 | );\r | |
2265 | \r | |
2266 | goto PxeBcError;\r | |
2267 | }\r | |
2268 | //\r | |
2269 | // Release locks.\r | |
2270 | //\r | |
2271 | EfiReleaseLock (&pLF->Lock);\r | |
2272 | EfiReleaseLock (&Private->Lock);\r | |
2273 | return Status;\r | |
2274 | \r | |
2275 | PxeBcError: ;\r | |
2276 | gBS->FreePool (Private->EfiBc.Mode);\r | |
2277 | gBS->FreePool (Private);\r | |
2278 | gBS->FreePool (pLF);\r | |
2279 | return Status;\r | |
2280 | }\r | |
2281 | \r | |
2282 | \r | |
2283 | /**\r | |
2284 | Stop the Base code driver.\r | |
2285 | \r | |
2286 | @param This Protocol instance pointer.\r | |
2287 | @param Controller Handle of device to test.\r | |
2288 | @param NumberOfChildren Not used\r | |
2289 | @param ChildHandleBuffer Not used\r | |
2290 | \r | |
2291 | @retval EFI_SUCCESS This driver supports this device.\r | |
2292 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
2293 | @retval other This driver does not support this device.\r | |
2294 | \r | |
2295 | **/\r | |
2296 | EFI_STATUS\r | |
2297 | EFIAPI\r | |
2298 | PxeBcDriverStop (\r | |
2299 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
2300 | IN EFI_HANDLE Controller,\r | |
2301 | IN UINTN NumberOfChildren,\r | |
2302 | IN EFI_HANDLE *ChildHandleBuffer\r | |
2303 | )\r | |
2304 | {\r | |
2305 | EFI_STATUS Status;\r | |
2306 | EFI_LOAD_FILE_PROTOCOL *LfProtocol;\r | |
2307 | LOADFILE_DEVICE *LoadDevice;\r | |
2308 | \r | |
2309 | //\r | |
2310 | // Get our context back.\r | |
2311 | //\r | |
2312 | Status = gBS->OpenProtocol (\r | |
2313 | Controller,\r | |
2314 | &gEfiLoadFileProtocolGuid,\r | |
2315 | (VOID **) &LfProtocol,\r | |
2316 | This->DriverBindingHandle,\r | |
2317 | Controller,\r | |
2318 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
2319 | );\r | |
2320 | \r | |
2321 | if (EFI_ERROR (Status)) {\r | |
2322 | return EFI_UNSUPPORTED;\r | |
2323 | }\r | |
2324 | \r | |
2325 | LoadDevice = EFI_LOAD_FILE_DEV_FROM_THIS (LfProtocol);\r | |
2326 | \r | |
2327 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
2328 | Controller,\r | |
2329 | &gEfiLoadFileProtocolGuid,\r | |
2330 | &LoadDevice->LoadFile,\r | |
2331 | &gEfiPxeBaseCodeProtocolGuid,\r | |
2332 | &LoadDevice->Private->EfiBc,\r | |
2333 | NULL\r | |
2334 | );\r | |
2335 | \r | |
2336 | if (!EFI_ERROR (Status)) {\r | |
2337 | \r | |
2338 | Status = gBS->CloseProtocol (\r | |
2339 | Controller,\r | |
2340 | &gEfiSimpleNetworkProtocolGuid,\r | |
2341 | This->DriverBindingHandle,\r | |
2342 | Controller\r | |
2343 | );\r | |
2344 | \r | |
2345 | gBS->FreePool (LoadDevice->Private->EfiBc.Mode);\r | |
2346 | gBS->FreePool (LoadDevice->Private);\r | |
2347 | gBS->FreePool (LoadDevice);\r | |
2348 | }\r | |
2349 | \r | |
2350 | return Status;\r | |
2351 | }\r | |
2352 | \r | |
2353 | \r | |
2354 | /**\r | |
2355 | Initialize the base code drivers and install the driver binding\r | |
2356 | \r | |
2357 | Standard EFI Image Entry\r | |
2358 | \r | |
2359 | @retval EFI_SUCCESS This driver was successfully bound\r | |
2360 | \r | |
2361 | **/\r | |
2362 | EFI_STATUS\r | |
2363 | EFIAPI\r | |
2364 | InitializeBCDriver (\r | |
2365 | IN EFI_HANDLE ImageHandle,\r | |
2366 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
2367 | )\r | |
2368 | {\r | |
2369 | EFI_STATUS Status;\r | |
2370 | \r | |
2371 | //\r | |
2372 | // Initialize EFI library\r | |
2373 | //\r | |
83cbd279 | 2374 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
2375 | ImageHandle,\r | |
2376 | SystemTable,\r | |
2377 | &mPxeBcDriverBinding,\r | |
2378 | NULL,\r | |
2379 | &gPxeBcComponentName,\r | |
2380 | &gPxeBcComponentName2\r | |
2381 | );\r | |
772db4bb | 2382 | \r |
2383 | InitArpHeader ();\r | |
2384 | OptionsStrucInit ();\r | |
2385 | \r | |
687a2e5f | 2386 | return Status;\r |
772db4bb | 2387 | }\r |
2388 | \r | |
2389 | /* eof - bc.c */\r |