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6a690e23 | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2007 Intel Corporation. All rights reserved\r | |
4 | This software and associated documentation (if any) is furnished\r | |
5 | under a license and may only be used or copied in accordance\r | |
6 | with the terms of the license. Except as permitted by such\r | |
7 | license, no part of this software or documentation may be\r | |
8 | reproduced, stored in a retrieval system, or transmitted in any\r | |
9 | form or by any means without the express written consent of\r | |
10 | Intel Corporation.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | IScsiTcp4Io.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | --*/\r | |
19 | \r | |
20 | #include "IScsiImpl.h"\r | |
21 | \r | |
22 | VOID\r | |
23 | EFIAPI\r | |
24 | Tcp4IoCommonNotify (\r | |
25 | IN EFI_EVENT Event,\r | |
26 | IN VOID *Context\r | |
27 | )\r | |
28 | /*++\r | |
29 | \r | |
30 | Routine Description:\r | |
31 | \r | |
32 | The common notify function associated with various Tcp4Io events. \r | |
33 | \r | |
34 | Arguments:\r | |
35 | \r | |
36 | Event - The event signaled.\r | |
37 | Contect - The context.\r | |
38 | \r | |
39 | Returns:\r | |
40 | \r | |
41 | None.\r | |
42 | \r | |
43 | --*/\r | |
44 | {\r | |
45 | *((BOOLEAN *) Context) = TRUE;\r | |
46 | }\r | |
47 | \r | |
48 | EFI_STATUS\r | |
49 | Tcp4IoCreateSocket (\r | |
50 | IN EFI_HANDLE Image,\r | |
51 | IN EFI_HANDLE Controller,\r | |
52 | IN TCP4_IO_CONFIG_DATA *ConfigData,\r | |
53 | IN TCP4_IO *Tcp4Io\r | |
54 | )\r | |
55 | /*++\r | |
56 | \r | |
57 | Routine Description:\r | |
58 | \r | |
59 | Create a TCP socket with the specified configuration data. \r | |
60 | \r | |
61 | Arguments:\r | |
62 | \r | |
63 | Image - The handle of the driver image.\r | |
64 | Controller - The handle of the controller.\r | |
65 | ConfigData - The Tcp4 configuration data.\r | |
66 | Tcp4Io - The Tcp4Io.\r | |
67 | \r | |
68 | Returns:\r | |
69 | \r | |
70 | EFI_SUCCESS - The TCP socket is created and configured.\r | |
71 | other - Failed to create the TCP socket or configure it.\r | |
72 | \r | |
73 | --*/\r | |
74 | {\r | |
75 | EFI_STATUS Status;\r | |
76 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
77 | EFI_TCP4_CONFIG_DATA Tcp4ConfigData;\r | |
78 | EFI_TCP4_OPTION ControlOption;\r | |
79 | EFI_TCP4_ACCESS_POINT *AccessPoint;\r | |
80 | \r | |
81 | Tcp4Io->Handle = NULL;\r | |
82 | Tcp4Io->ConnToken.CompletionToken.Event = NULL;\r | |
83 | Tcp4Io->TxToken.CompletionToken.Event = NULL;\r | |
84 | Tcp4Io->RxToken.CompletionToken.Event = NULL;\r | |
85 | Tcp4Io->CloseToken.CompletionToken.Event = NULL;\r | |
86 | Tcp4 = NULL;\r | |
87 | \r | |
88 | //\r | |
89 | // Create the TCP4 child instance and get the TCP4 protocol.\r | |
90 | //\r | |
91 | Status = NetLibCreateServiceChild (\r | |
92 | Controller,\r | |
93 | Image,\r | |
94 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
95 | &Tcp4Io->Handle\r | |
96 | );\r | |
97 | if (EFI_ERROR (Status)) {\r | |
98 | return Status;\r | |
99 | }\r | |
100 | \r | |
101 | Status = gBS->OpenProtocol (\r | |
102 | Tcp4Io->Handle,\r | |
103 | &gEfiTcp4ProtocolGuid,\r | |
104 | (VOID **)&Tcp4Io->Tcp4,\r | |
105 | Image,\r | |
106 | Controller,\r | |
107 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
108 | );\r | |
109 | if (EFI_ERROR (Status)) {\r | |
110 | goto ON_ERROR;\r | |
111 | }\r | |
112 | \r | |
113 | Tcp4Io->Image = Image;\r | |
114 | Tcp4Io->Controller = Controller;\r | |
115 | Tcp4 = Tcp4Io->Tcp4;\r | |
116 | \r | |
117 | //\r | |
118 | // Set the configuration parameters.\r | |
119 | //\r | |
120 | ControlOption.ReceiveBufferSize = 0x200000;\r | |
121 | ControlOption.SendBufferSize = 0x200000;\r | |
122 | ControlOption.MaxSynBackLog = 0;\r | |
123 | ControlOption.ConnectionTimeout = 0;\r | |
124 | ControlOption.DataRetries = 6;\r | |
125 | ControlOption.FinTimeout = 0;\r | |
126 | ControlOption.TimeWaitTimeout = 0;\r | |
127 | ControlOption.KeepAliveProbes = 4;\r | |
128 | ControlOption.KeepAliveTime = 0;\r | |
129 | ControlOption.KeepAliveInterval = 0;\r | |
130 | ControlOption.EnableNagle = FALSE;\r | |
131 | ControlOption.EnableTimeStamp = FALSE;\r | |
132 | ControlOption.EnableWindowScaling = TRUE;\r | |
133 | ControlOption.EnableSelectiveAck = FALSE;\r | |
134 | ControlOption.EnablePathMtuDiscovery = FALSE;\r | |
135 | \r | |
136 | Tcp4ConfigData.TypeOfService = 8;\r | |
137 | Tcp4ConfigData.TimeToLive = 255;\r | |
138 | Tcp4ConfigData.ControlOption = &ControlOption;\r | |
139 | \r | |
140 | AccessPoint = &Tcp4ConfigData.AccessPoint;\r | |
141 | \r | |
142 | AccessPoint->UseDefaultAddress = FALSE;\r | |
143 | AccessPoint->StationPort = 0;\r | |
144 | AccessPoint->RemotePort = ConfigData->RemotePort;\r | |
145 | AccessPoint->ActiveFlag = TRUE;\r | |
146 | \r | |
147 | NetCopyMem (&AccessPoint->StationAddress, &ConfigData->LocalIp, sizeof (EFI_IPv4_ADDRESS));\r | |
148 | NetCopyMem (&AccessPoint->SubnetMask, &ConfigData->SubnetMask, sizeof (EFI_IPv4_ADDRESS));\r | |
149 | NetCopyMem (&AccessPoint->RemoteAddress, &ConfigData->RemoteIp, sizeof (EFI_IPv4_ADDRESS));\r | |
150 | \r | |
151 | //\r | |
152 | // Configure the TCP4 protocol.\r | |
153 | //\r | |
154 | Status = Tcp4->Configure (Tcp4, &Tcp4ConfigData);\r | |
155 | if (EFI_ERROR (Status)) {\r | |
156 | goto ON_ERROR;\r | |
157 | }\r | |
158 | \r | |
159 | if (!EFI_IP4_EQUAL (&ConfigData->Gateway, &mZeroIp4Addr)) {\r | |
160 | //\r | |
161 | // the gateway is not zero, add the default route by hand\r | |
162 | //\r | |
163 | Status = Tcp4->Routes (Tcp4, FALSE, &mZeroIp4Addr, &mZeroIp4Addr, &ConfigData->Gateway);\r | |
164 | if (EFI_ERROR (Status)) {\r | |
165 | goto ON_ERROR;\r | |
166 | }\r | |
167 | }\r | |
168 | //\r | |
169 | // Create events for variuos asynchronous operations.\r | |
170 | //\r | |
171 | Status = gBS->CreateEvent (\r | |
172 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
173 | NET_TPL_EVENT,\r | |
174 | Tcp4IoCommonNotify,\r | |
175 | &Tcp4Io->IsConnDone,\r | |
176 | &Tcp4Io->ConnToken.CompletionToken.Event\r | |
177 | );\r | |
178 | if (EFI_ERROR (Status)) {\r | |
179 | goto ON_ERROR;\r | |
180 | }\r | |
181 | \r | |
182 | Status = gBS->CreateEvent (\r | |
183 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
184 | NET_TPL_EVENT,\r | |
185 | Tcp4IoCommonNotify,\r | |
186 | &Tcp4Io->IsTxDone,\r | |
187 | &Tcp4Io->TxToken.CompletionToken.Event\r | |
188 | );\r | |
189 | if (EFI_ERROR (Status)) {\r | |
190 | goto ON_ERROR;\r | |
191 | }\r | |
192 | \r | |
193 | Status = gBS->CreateEvent (\r | |
194 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
195 | NET_TPL_EVENT,\r | |
196 | Tcp4IoCommonNotify,\r | |
197 | &Tcp4Io->IsRxDone,\r | |
198 | &Tcp4Io->RxToken.CompletionToken.Event\r | |
199 | );\r | |
200 | if (EFI_ERROR (Status)) {\r | |
201 | goto ON_ERROR;\r | |
202 | }\r | |
203 | \r | |
204 | Status = gBS->CreateEvent (\r | |
205 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
206 | NET_TPL_EVENT,\r | |
207 | Tcp4IoCommonNotify,\r | |
208 | &Tcp4Io->IsCloseDone,\r | |
209 | &Tcp4Io->CloseToken.CompletionToken.Event\r | |
210 | );\r | |
211 | if (EFI_ERROR (Status)) {\r | |
212 | goto ON_ERROR;\r | |
213 | }\r | |
214 | \r | |
215 | Tcp4Io->IsTxDone = FALSE;\r | |
216 | Tcp4Io->IsRxDone = FALSE;\r | |
217 | \r | |
218 | return EFI_SUCCESS;\r | |
219 | \r | |
220 | ON_ERROR:\r | |
221 | \r | |
222 | if (Tcp4Io->RxToken.CompletionToken.Event != NULL) {\r | |
223 | gBS->CloseEvent (Tcp4Io->RxToken.CompletionToken.Event);\r | |
224 | }\r | |
225 | \r | |
226 | if (Tcp4Io->TxToken.CompletionToken.Event != NULL) {\r | |
227 | gBS->CloseEvent (Tcp4Io->TxToken.CompletionToken.Event);\r | |
228 | }\r | |
229 | \r | |
230 | if (Tcp4Io->ConnToken.CompletionToken.Event != NULL) {\r | |
231 | gBS->CloseEvent (Tcp4Io->ConnToken.CompletionToken.Event);\r | |
232 | }\r | |
233 | \r | |
234 | if (Tcp4 != NULL) {\r | |
235 | Tcp4->Configure (Tcp4, NULL);\r | |
236 | \r | |
237 | gBS->CloseProtocol (\r | |
238 | Tcp4Io->Handle,\r | |
239 | &gEfiTcp4ProtocolGuid,\r | |
240 | Image,\r | |
241 | Controller\r | |
242 | );\r | |
243 | }\r | |
244 | \r | |
245 | NetLibDestroyServiceChild (\r | |
246 | Controller,\r | |
247 | Image,\r | |
248 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
249 | Tcp4Io->Handle\r | |
250 | );\r | |
251 | \r | |
252 | return Status;\r | |
253 | }\r | |
254 | \r | |
255 | VOID\r | |
256 | Tcp4IoDestroySocket (\r | |
257 | IN TCP4_IO *Tcp4Io\r | |
258 | )\r | |
259 | /*++\r | |
260 | \r | |
261 | Routine Description:\r | |
262 | \r | |
263 | Destroy the socket. \r | |
264 | \r | |
265 | Arguments:\r | |
266 | \r | |
267 | Tcp4Io - The Tcp4Io which wraps the socket to be destroyeds.\r | |
268 | \r | |
269 | Returns:\r | |
270 | \r | |
271 | None.\r | |
272 | \r | |
273 | --*/\r | |
274 | {\r | |
275 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
276 | \r | |
277 | Tcp4 = Tcp4Io->Tcp4;\r | |
278 | \r | |
279 | Tcp4->Configure (Tcp4, NULL);\r | |
280 | \r | |
281 | gBS->CloseEvent (Tcp4Io->TxToken.CompletionToken.Event);\r | |
282 | gBS->CloseEvent (Tcp4Io->RxToken.CompletionToken.Event);\r | |
283 | gBS->CloseEvent (Tcp4Io->ConnToken.CompletionToken.Event);\r | |
284 | \r | |
285 | gBS->CloseProtocol (\r | |
286 | Tcp4Io->Handle,\r | |
287 | &gEfiTcp4ProtocolGuid,\r | |
288 | Tcp4Io->Image,\r | |
289 | Tcp4Io->Controller\r | |
290 | );\r | |
291 | \r | |
292 | NetLibDestroyServiceChild (\r | |
293 | Tcp4Io->Controller,\r | |
294 | Tcp4Io->Image,\r | |
295 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
296 | Tcp4Io->Handle\r | |
297 | );\r | |
298 | }\r | |
299 | \r | |
300 | EFI_STATUS\r | |
301 | Tcp4IoConnect (\r | |
302 | IN TCP4_IO *Tcp4Io,\r | |
303 | IN EFI_EVENT Timeout\r | |
304 | )\r | |
305 | /*++\r | |
306 | \r | |
307 | Routine Description:\r | |
308 | \r | |
309 | Connect to the other endpoint of the TCP socket.\r | |
310 | \r | |
311 | Arguments:\r | |
312 | \r | |
313 | Tcp4Io - The Tcp4Io wrapping the TCP socket.\r | |
314 | Timeout - The time to wait for connection done.\r | |
315 | \r | |
316 | Returns:\r | |
317 | \r | |
318 | None.\r | |
319 | \r | |
320 | --*/\r | |
321 | {\r | |
322 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
323 | EFI_STATUS Status;\r | |
324 | \r | |
325 | Tcp4Io->IsConnDone = FALSE;\r | |
326 | Tcp4 = Tcp4Io->Tcp4;\r | |
327 | Status = Tcp4->Connect (Tcp4, &Tcp4Io->ConnToken);\r | |
328 | if (EFI_ERROR (Status)) {\r | |
329 | return Status;\r | |
330 | }\r | |
331 | \r | |
332 | while (!Tcp4Io->IsConnDone && EFI_ERROR (gBS->CheckEvent (Timeout))) {\r | |
333 | Tcp4->Poll (Tcp4);\r | |
334 | }\r | |
335 | \r | |
336 | if (!Tcp4Io->IsConnDone) {\r | |
337 | Status = EFI_TIMEOUT;\r | |
338 | } else {\r | |
339 | Status = Tcp4Io->ConnToken.CompletionToken.Status;\r | |
340 | }\r | |
341 | \r | |
342 | return Status;\r | |
343 | }\r | |
344 | \r | |
345 | VOID\r | |
346 | Tcp4IoReset (\r | |
347 | IN TCP4_IO *Tcp4Io\r | |
348 | )\r | |
349 | /*++\r | |
350 | \r | |
351 | Routine Description:\r | |
352 | \r | |
353 | Reset the socket.\r | |
354 | \r | |
355 | Arguments:\r | |
356 | \r | |
357 | Tcp4Io - The Tcp4Io wrapping the TCP socket.\r | |
358 | \r | |
359 | Returns:\r | |
360 | \r | |
361 | None.\r | |
362 | \r | |
363 | --*/\r | |
364 | {\r | |
365 | EFI_STATUS Status;\r | |
366 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
367 | \r | |
368 | Tcp4Io->CloseToken.AbortOnClose = TRUE;\r | |
369 | Tcp4Io->IsCloseDone = FALSE;\r | |
370 | \r | |
371 | Tcp4 = Tcp4Io->Tcp4;\r | |
372 | Status = Tcp4->Close (Tcp4, &Tcp4Io->CloseToken);\r | |
373 | if (EFI_ERROR (Status)) {\r | |
374 | return ;\r | |
375 | }\r | |
376 | \r | |
377 | while (!Tcp4Io->IsCloseDone) {\r | |
378 | Tcp4->Poll (Tcp4);\r | |
379 | }\r | |
380 | }\r | |
381 | \r | |
382 | EFI_STATUS\r | |
383 | Tcp4IoTransmit (\r | |
384 | IN TCP4_IO *Tcp4Io,\r | |
385 | IN NET_BUF *Packet\r | |
386 | )\r | |
387 | /*++\r | |
388 | \r | |
389 | Routine Description:\r | |
390 | \r | |
391 | Transmit the Packet to the other endpoint of the socket.\r | |
392 | \r | |
393 | Arguments:\r | |
394 | \r | |
395 | Tcp4Io - The Tcp4Io wrapping the TCP socket.\r | |
396 | Packet - The packet to transmit\r | |
397 | \r | |
398 | Returns:\r | |
399 | \r | |
400 | EFI_SUCCESS - The packet is trasmitted.\r | |
401 | EFI_OUT_OF_RESOURCES - Failed to allocate memory.\r | |
402 | \r | |
403 | --*/\r | |
404 | {\r | |
405 | EFI_TCP4_TRANSMIT_DATA *TxData;\r | |
406 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
407 | EFI_STATUS Status;\r | |
408 | \r | |
409 | TxData = NetAllocatePool (sizeof (EFI_TCP4_TRANSMIT_DATA) + (Packet->BlockOpNum - 1) * sizeof (EFI_TCP4_FRAGMENT_DATA));\r | |
410 | if (TxData == NULL) {\r | |
411 | return EFI_OUT_OF_RESOURCES;\r | |
412 | }\r | |
413 | \r | |
414 | TxData->Push = TRUE;\r | |
415 | TxData->Urgent = FALSE;\r | |
416 | TxData->DataLength = Packet->TotalSize;\r | |
417 | \r | |
418 | //\r | |
419 | // Build the fragment table.\r | |
420 | //\r | |
421 | TxData->FragmentCount = Packet->BlockOpNum;\r | |
422 | NetbufBuildExt (Packet, (NET_FRAGMENT *) &TxData->FragmentTable[0], &TxData->FragmentCount);\r | |
423 | \r | |
424 | Tcp4Io->TxToken.Packet.TxData = TxData;\r | |
425 | \r | |
426 | //\r | |
427 | // Trasnmit the packet.\r | |
428 | //\r | |
429 | Tcp4 = Tcp4Io->Tcp4;\r | |
430 | Status = Tcp4->Transmit (Tcp4, &Tcp4Io->TxToken);\r | |
431 | if (EFI_ERROR (Status)) {\r | |
432 | goto ON_EXIT;\r | |
433 | }\r | |
434 | \r | |
435 | while (!Tcp4Io->IsTxDone) {\r | |
436 | Tcp4->Poll (Tcp4);\r | |
437 | }\r | |
438 | \r | |
439 | Tcp4Io->IsTxDone = FALSE;\r | |
440 | \r | |
441 | Status = Tcp4Io->TxToken.CompletionToken.Status;\r | |
442 | \r | |
443 | ON_EXIT:\r | |
444 | \r | |
445 | NetFreePool (TxData);\r | |
446 | \r | |
447 | return Status;\r | |
448 | }\r | |
449 | \r | |
450 | EFI_STATUS\r | |
451 | Tcp4IoReceive (\r | |
452 | IN TCP4_IO *Tcp4Io,\r | |
453 | IN NET_BUF *Packet,\r | |
454 | IN BOOLEAN AsyncMode,\r | |
455 | IN EFI_EVENT Timeout\r | |
456 | )\r | |
457 | /*++\r | |
458 | \r | |
459 | Routine Description:\r | |
460 | \r | |
461 | Receive data from the socket.\r | |
462 | \r | |
463 | Arguments:\r | |
464 | \r | |
465 | Tcp4Io - The Tcp4Io which wraps the socket to be destroyeds.\r | |
466 | Packet - The buffer to hold the data copy from the soket rx buffer.\r | |
467 | AsyncMode - Is this receive asyncronous or not.\r | |
468 | Timeout - The time to wait for receiving the amount of data the Packet\r | |
469 | can hold.\r | |
470 | \r | |
471 | Returns:\r | |
472 | \r | |
473 | EFI_SUCCESS - The required amount of data is received from the socket.\r | |
474 | EFI_OUT_OF_RESOURCES - Failed to allocate momery.\r | |
475 | EFI_TIMEOUT - Failed to receive the required amount of data in the\r | |
476 | specified time period.\r | |
477 | \r | |
478 | --*/\r | |
479 | {\r | |
480 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
481 | EFI_TCP4_RECEIVE_DATA RxData;\r | |
482 | EFI_STATUS Status;\r | |
483 | NET_FRAGMENT *Fragment;\r | |
484 | UINT32 FragmentCount;\r | |
485 | UINT32 CurrentFragment;\r | |
486 | \r | |
487 | FragmentCount = Packet->BlockOpNum;\r | |
488 | Fragment = NetAllocatePool (FragmentCount * sizeof (NET_FRAGMENT));\r | |
489 | if (Fragment == NULL) {\r | |
490 | return EFI_OUT_OF_RESOURCES;\r | |
491 | }\r | |
492 | //\r | |
493 | // Build the fragment table.\r | |
494 | //\r | |
495 | NetbufBuildExt (Packet, Fragment, &FragmentCount);\r | |
496 | \r | |
497 | RxData.FragmentCount = 1;\r | |
498 | Tcp4Io->RxToken.Packet.RxData = &RxData;\r | |
499 | CurrentFragment = 0;\r | |
500 | Tcp4 = Tcp4Io->Tcp4;\r | |
501 | Status = EFI_SUCCESS;\r | |
502 | \r | |
503 | while (CurrentFragment < FragmentCount) {\r | |
504 | RxData.DataLength = Fragment[CurrentFragment].Len;\r | |
505 | RxData.FragmentTable[0].FragmentLength = Fragment[CurrentFragment].Len;\r | |
506 | RxData.FragmentTable[0].FragmentBuffer = Fragment[CurrentFragment].Bulk;\r | |
507 | \r | |
508 | Status = Tcp4->Receive (Tcp4, &Tcp4Io->RxToken);\r | |
509 | if (EFI_ERROR (Status)) {\r | |
510 | goto ON_EXIT;\r | |
511 | }\r | |
512 | \r | |
513 | while (!Tcp4Io->IsRxDone && ((Timeout == NULL) || EFI_ERROR (gBS->CheckEvent (Timeout)))) {\r | |
514 | //\r | |
515 | // Poll until some data is received or something error happens.\r | |
516 | //\r | |
517 | Tcp4->Poll (Tcp4);\r | |
518 | }\r | |
519 | \r | |
520 | if (!Tcp4Io->IsRxDone) {\r | |
521 | //\r | |
522 | // Timeout occurs, cancel the receive request.\r | |
523 | //\r | |
524 | Tcp4->Cancel (Tcp4, &Tcp4Io->RxToken.CompletionToken);\r | |
525 | \r | |
526 | Status = EFI_TIMEOUT;\r | |
527 | goto ON_EXIT;\r | |
528 | } else {\r | |
529 | Tcp4Io->IsRxDone = FALSE;\r | |
530 | }\r | |
531 | \r | |
532 | if (EFI_ERROR (Tcp4Io->RxToken.CompletionToken.Status)) {\r | |
533 | Status = Tcp4Io->RxToken.CompletionToken.Status;\r | |
534 | goto ON_EXIT;\r | |
535 | }\r | |
536 | \r | |
537 | Fragment[CurrentFragment].Len -= RxData.FragmentTable[0].FragmentLength;\r | |
538 | if (Fragment[CurrentFragment].Len == 0) {\r | |
539 | CurrentFragment++;\r | |
540 | } else {\r | |
541 | Fragment[CurrentFragment].Bulk += RxData.FragmentTable[0].FragmentLength;\r | |
542 | }\r | |
543 | }\r | |
544 | \r | |
545 | ON_EXIT:\r | |
546 | \r | |
547 | NetFreePool (Fragment);\r | |
548 | \r | |
549 | return Status;\r | |
550 | }\r |