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12618416 | 1 | /** @file\r |
2 | The wrap of TCP/IP Socket interface\r | |
6a690e23 | 3 | \r |
7a444476 | 4 | Copyright (c) 2004 - 2007, Intel Corporation\r |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
6a690e23 | 12 | \r |
13 | Module Name:\r | |
14 | \r | |
15 | IScsiTcp4Io.c\r | |
16 | \r | |
17 | Abstract:\r | |
12618416 | 18 | The wrap of TCP/IP Socket interface\r |
6a690e23 | 19 | \r |
12618416 | 20 | **/\r |
6a690e23 | 21 | \r |
22 | #include "IScsiImpl.h"\r | |
23 | \r | |
12618416 | 24 | /**\r |
25 | The common notify function associated with various Tcp4Io events. \r | |
26 | \r | |
27 | @param Event[in] The event signaled.\r | |
28 | \r | |
29 | @param Contect[in] The context.\r | |
30 | \r | |
31 | @retval None.\r | |
32 | \r | |
33 | **/\r | |
6a690e23 | 34 | VOID\r |
35 | EFIAPI\r | |
36 | Tcp4IoCommonNotify (\r | |
37 | IN EFI_EVENT Event,\r | |
38 | IN VOID *Context\r | |
39 | )\r | |
12618416 | 40 | {\r |
41 | *((BOOLEAN *) Context) = TRUE;\r | |
42 | }\r | |
6a690e23 | 43 | \r |
12618416 | 44 | /**\r |
45 | Create a TCP socket with the specified configuration data. \r | |
6a690e23 | 46 | \r |
12618416 | 47 | @param Image[in] The handle of the driver image.\r |
6a690e23 | 48 | \r |
12618416 | 49 | @param Controller[in] The handle of the controller.\r |
6a690e23 | 50 | \r |
12618416 | 51 | @param ConfigData[in] The Tcp4 configuration data.\r |
6a690e23 | 52 | \r |
12618416 | 53 | @param Tcp4Io[in] The Tcp4Io.\r |
54 | \r | |
55 | @retval EFI_SUCCESS The TCP socket is created and configured.\r | |
6a690e23 | 56 | \r |
12618416 | 57 | @retval Other Failed to create the TCP socket or configure it.\r |
6a690e23 | 58 | \r |
12618416 | 59 | **/\r |
6a690e23 | 60 | EFI_STATUS\r |
61 | Tcp4IoCreateSocket (\r | |
62 | IN EFI_HANDLE Image,\r | |
63 | IN EFI_HANDLE Controller,\r | |
64 | IN TCP4_IO_CONFIG_DATA *ConfigData,\r | |
65 | IN TCP4_IO *Tcp4Io\r | |
66 | )\r | |
6a690e23 | 67 | {\r |
68 | EFI_STATUS Status;\r | |
69 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
70 | EFI_TCP4_CONFIG_DATA Tcp4ConfigData;\r | |
71 | EFI_TCP4_OPTION ControlOption;\r | |
72 | EFI_TCP4_ACCESS_POINT *AccessPoint;\r | |
73 | \r | |
74 | Tcp4Io->Handle = NULL;\r | |
75 | Tcp4Io->ConnToken.CompletionToken.Event = NULL;\r | |
76 | Tcp4Io->TxToken.CompletionToken.Event = NULL;\r | |
77 | Tcp4Io->RxToken.CompletionToken.Event = NULL;\r | |
78 | Tcp4Io->CloseToken.CompletionToken.Event = NULL;\r | |
79 | Tcp4 = NULL;\r | |
80 | \r | |
81 | //\r | |
82 | // Create the TCP4 child instance and get the TCP4 protocol.\r | |
83 | //\r | |
84 | Status = NetLibCreateServiceChild (\r | |
85 | Controller,\r | |
86 | Image,\r | |
87 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
88 | &Tcp4Io->Handle\r | |
89 | );\r | |
90 | if (EFI_ERROR (Status)) {\r | |
91 | return Status;\r | |
92 | }\r | |
93 | \r | |
94 | Status = gBS->OpenProtocol (\r | |
95 | Tcp4Io->Handle,\r | |
96 | &gEfiTcp4ProtocolGuid,\r | |
97 | (VOID **)&Tcp4Io->Tcp4,\r | |
98 | Image,\r | |
99 | Controller,\r | |
100 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
101 | );\r | |
102 | if (EFI_ERROR (Status)) {\r | |
103 | goto ON_ERROR;\r | |
104 | }\r | |
105 | \r | |
106 | Tcp4Io->Image = Image;\r | |
107 | Tcp4Io->Controller = Controller;\r | |
108 | Tcp4 = Tcp4Io->Tcp4;\r | |
109 | \r | |
110 | //\r | |
111 | // Set the configuration parameters.\r | |
112 | //\r | |
113 | ControlOption.ReceiveBufferSize = 0x200000;\r | |
114 | ControlOption.SendBufferSize = 0x200000;\r | |
115 | ControlOption.MaxSynBackLog = 0;\r | |
116 | ControlOption.ConnectionTimeout = 0;\r | |
117 | ControlOption.DataRetries = 6;\r | |
118 | ControlOption.FinTimeout = 0;\r | |
119 | ControlOption.TimeWaitTimeout = 0;\r | |
120 | ControlOption.KeepAliveProbes = 4;\r | |
121 | ControlOption.KeepAliveTime = 0;\r | |
122 | ControlOption.KeepAliveInterval = 0;\r | |
123 | ControlOption.EnableNagle = FALSE;\r | |
124 | ControlOption.EnableTimeStamp = FALSE;\r | |
125 | ControlOption.EnableWindowScaling = TRUE;\r | |
126 | ControlOption.EnableSelectiveAck = FALSE;\r | |
127 | ControlOption.EnablePathMtuDiscovery = FALSE;\r | |
128 | \r | |
129 | Tcp4ConfigData.TypeOfService = 8;\r | |
130 | Tcp4ConfigData.TimeToLive = 255;\r | |
131 | Tcp4ConfigData.ControlOption = &ControlOption;\r | |
132 | \r | |
133 | AccessPoint = &Tcp4ConfigData.AccessPoint;\r | |
134 | \r | |
135 | AccessPoint->UseDefaultAddress = FALSE;\r | |
136 | AccessPoint->StationPort = 0;\r | |
137 | AccessPoint->RemotePort = ConfigData->RemotePort;\r | |
138 | AccessPoint->ActiveFlag = TRUE;\r | |
139 | \r | |
e48e37fc | 140 | CopyMem (&AccessPoint->StationAddress, &ConfigData->LocalIp, sizeof (EFI_IPv4_ADDRESS));\r |
141 | CopyMem (&AccessPoint->SubnetMask, &ConfigData->SubnetMask, sizeof (EFI_IPv4_ADDRESS));\r | |
142 | CopyMem (&AccessPoint->RemoteAddress, &ConfigData->RemoteIp, sizeof (EFI_IPv4_ADDRESS));\r | |
6a690e23 | 143 | \r |
144 | //\r | |
145 | // Configure the TCP4 protocol.\r | |
146 | //\r | |
147 | Status = Tcp4->Configure (Tcp4, &Tcp4ConfigData);\r | |
148 | if (EFI_ERROR (Status)) {\r | |
149 | goto ON_ERROR;\r | |
150 | }\r | |
151 | \r | |
152 | if (!EFI_IP4_EQUAL (&ConfigData->Gateway, &mZeroIp4Addr)) {\r | |
153 | //\r | |
154 | // the gateway is not zero, add the default route by hand\r | |
155 | //\r | |
156 | Status = Tcp4->Routes (Tcp4, FALSE, &mZeroIp4Addr, &mZeroIp4Addr, &ConfigData->Gateway);\r | |
157 | if (EFI_ERROR (Status)) {\r | |
158 | goto ON_ERROR;\r | |
159 | }\r | |
160 | }\r | |
161 | //\r | |
162 | // Create events for variuos asynchronous operations.\r | |
163 | //\r | |
164 | Status = gBS->CreateEvent (\r | |
165 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
e48e37fc | 166 | TPL_NOTIFY,\r |
6a690e23 | 167 | Tcp4IoCommonNotify,\r |
168 | &Tcp4Io->IsConnDone,\r | |
169 | &Tcp4Io->ConnToken.CompletionToken.Event\r | |
170 | );\r | |
171 | if (EFI_ERROR (Status)) {\r | |
172 | goto ON_ERROR;\r | |
173 | }\r | |
174 | \r | |
175 | Status = gBS->CreateEvent (\r | |
176 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
e48e37fc | 177 | TPL_NOTIFY,\r |
6a690e23 | 178 | Tcp4IoCommonNotify,\r |
179 | &Tcp4Io->IsTxDone,\r | |
180 | &Tcp4Io->TxToken.CompletionToken.Event\r | |
181 | );\r | |
182 | if (EFI_ERROR (Status)) {\r | |
183 | goto ON_ERROR;\r | |
184 | }\r | |
185 | \r | |
186 | Status = gBS->CreateEvent (\r | |
187 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
e48e37fc | 188 | TPL_NOTIFY,\r |
6a690e23 | 189 | Tcp4IoCommonNotify,\r |
190 | &Tcp4Io->IsRxDone,\r | |
191 | &Tcp4Io->RxToken.CompletionToken.Event\r | |
192 | );\r | |
193 | if (EFI_ERROR (Status)) {\r | |
194 | goto ON_ERROR;\r | |
195 | }\r | |
196 | \r | |
197 | Status = gBS->CreateEvent (\r | |
198 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
e48e37fc | 199 | TPL_NOTIFY,\r |
6a690e23 | 200 | Tcp4IoCommonNotify,\r |
201 | &Tcp4Io->IsCloseDone,\r | |
202 | &Tcp4Io->CloseToken.CompletionToken.Event\r | |
203 | );\r | |
204 | if (EFI_ERROR (Status)) {\r | |
205 | goto ON_ERROR;\r | |
206 | }\r | |
207 | \r | |
208 | Tcp4Io->IsTxDone = FALSE;\r | |
209 | Tcp4Io->IsRxDone = FALSE;\r | |
210 | \r | |
211 | return EFI_SUCCESS;\r | |
212 | \r | |
213 | ON_ERROR:\r | |
214 | \r | |
215 | if (Tcp4Io->RxToken.CompletionToken.Event != NULL) {\r | |
216 | gBS->CloseEvent (Tcp4Io->RxToken.CompletionToken.Event);\r | |
217 | }\r | |
218 | \r | |
219 | if (Tcp4Io->TxToken.CompletionToken.Event != NULL) {\r | |
220 | gBS->CloseEvent (Tcp4Io->TxToken.CompletionToken.Event);\r | |
221 | }\r | |
222 | \r | |
223 | if (Tcp4Io->ConnToken.CompletionToken.Event != NULL) {\r | |
224 | gBS->CloseEvent (Tcp4Io->ConnToken.CompletionToken.Event);\r | |
225 | }\r | |
226 | \r | |
227 | if (Tcp4 != NULL) {\r | |
228 | Tcp4->Configure (Tcp4, NULL);\r | |
229 | \r | |
230 | gBS->CloseProtocol (\r | |
231 | Tcp4Io->Handle,\r | |
232 | &gEfiTcp4ProtocolGuid,\r | |
233 | Image,\r | |
234 | Controller\r | |
235 | );\r | |
236 | }\r | |
237 | \r | |
238 | NetLibDestroyServiceChild (\r | |
239 | Controller,\r | |
240 | Image,\r | |
241 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
242 | Tcp4Io->Handle\r | |
243 | );\r | |
244 | \r | |
245 | return Status;\r | |
246 | }\r | |
247 | \r | |
12618416 | 248 | /**\r |
6a690e23 | 249 | Destroy the socket. \r |
250 | \r | |
12618416 | 251 | @param[in] Tcp4Io The Tcp4Io which wraps the socket to be destroyeds.\r |
6a690e23 | 252 | \r |
12618416 | 253 | @retval None.\r |
6a690e23 | 254 | \r |
12618416 | 255 | **/\r |
256 | VOID\r | |
257 | Tcp4IoDestroySocket (\r | |
258 | IN TCP4_IO *Tcp4Io\r | |
259 | )\r | |
6a690e23 | 260 | {\r |
261 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
262 | \r | |
263 | Tcp4 = Tcp4Io->Tcp4;\r | |
264 | \r | |
265 | Tcp4->Configure (Tcp4, NULL);\r | |
266 | \r | |
267 | gBS->CloseEvent (Tcp4Io->TxToken.CompletionToken.Event);\r | |
268 | gBS->CloseEvent (Tcp4Io->RxToken.CompletionToken.Event);\r | |
269 | gBS->CloseEvent (Tcp4Io->ConnToken.CompletionToken.Event);\r | |
270 | \r | |
271 | gBS->CloseProtocol (\r | |
272 | Tcp4Io->Handle,\r | |
273 | &gEfiTcp4ProtocolGuid,\r | |
274 | Tcp4Io->Image,\r | |
275 | Tcp4Io->Controller\r | |
276 | );\r | |
277 | \r | |
278 | NetLibDestroyServiceChild (\r | |
279 | Tcp4Io->Controller,\r | |
280 | Tcp4Io->Image,\r | |
281 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
282 | Tcp4Io->Handle\r | |
283 | );\r | |
284 | }\r | |
285 | \r | |
12618416 | 286 | /**\r |
6a690e23 | 287 | Connect to the other endpoint of the TCP socket.\r |
288 | \r | |
12618416 | 289 | @param Tcp4Io[in] The Tcp4Io wrapping the TCP socket.\r |
6a690e23 | 290 | \r |
12618416 | 291 | @param Timeout[in] The time to wait for connection done.\r |
6a690e23 | 292 | \r |
12618416 | 293 | @retval None.\r |
6a690e23 | 294 | \r |
12618416 | 295 | **/\r |
296 | EFI_STATUS\r | |
297 | Tcp4IoConnect (\r | |
298 | IN TCP4_IO *Tcp4Io,\r | |
299 | IN EFI_EVENT Timeout\r | |
300 | )\r | |
6a690e23 | 301 | {\r |
302 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
303 | EFI_STATUS Status;\r | |
304 | \r | |
305 | Tcp4Io->IsConnDone = FALSE;\r | |
306 | Tcp4 = Tcp4Io->Tcp4;\r | |
307 | Status = Tcp4->Connect (Tcp4, &Tcp4Io->ConnToken);\r | |
308 | if (EFI_ERROR (Status)) {\r | |
309 | return Status;\r | |
310 | }\r | |
311 | \r | |
312 | while (!Tcp4Io->IsConnDone && EFI_ERROR (gBS->CheckEvent (Timeout))) {\r | |
313 | Tcp4->Poll (Tcp4);\r | |
314 | }\r | |
315 | \r | |
316 | if (!Tcp4Io->IsConnDone) {\r | |
317 | Status = EFI_TIMEOUT;\r | |
318 | } else {\r | |
319 | Status = Tcp4Io->ConnToken.CompletionToken.Status;\r | |
320 | }\r | |
321 | \r | |
322 | return Status;\r | |
323 | }\r | |
324 | \r | |
12618416 | 325 | /**\r |
6a690e23 | 326 | Reset the socket.\r |
327 | \r | |
12618416 | 328 | @param Tcp4Io[in] The Tcp4Io wrapping the TCP socket.\r |
6a690e23 | 329 | \r |
12618416 | 330 | @retval None.\r |
6a690e23 | 331 | \r |
12618416 | 332 | **/\r |
333 | VOID\r | |
334 | Tcp4IoReset (\r | |
335 | IN TCP4_IO *Tcp4Io\r | |
336 | )\r | |
6a690e23 | 337 | {\r |
338 | EFI_STATUS Status;\r | |
339 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
340 | \r | |
341 | Tcp4Io->CloseToken.AbortOnClose = TRUE;\r | |
342 | Tcp4Io->IsCloseDone = FALSE;\r | |
343 | \r | |
344 | Tcp4 = Tcp4Io->Tcp4;\r | |
345 | Status = Tcp4->Close (Tcp4, &Tcp4Io->CloseToken);\r | |
346 | if (EFI_ERROR (Status)) {\r | |
347 | return ;\r | |
348 | }\r | |
349 | \r | |
350 | while (!Tcp4Io->IsCloseDone) {\r | |
351 | Tcp4->Poll (Tcp4);\r | |
352 | }\r | |
353 | }\r | |
354 | \r | |
12618416 | 355 | /**\r |
6a690e23 | 356 | Transmit the Packet to the other endpoint of the socket.\r |
357 | \r | |
12618416 | 358 | @param Tcp4Io[in] The Tcp4Io wrapping the TCP socket.\r |
6a690e23 | 359 | \r |
12618416 | 360 | @param Packet[in] The packet to transmit\r |
6a690e23 | 361 | \r |
12618416 | 362 | @retval EFI_SUCCESS The packet is trasmitted.\r |
6a690e23 | 363 | \r |
12618416 | 364 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r |
6a690e23 | 365 | \r |
12618416 | 366 | **/\r |
367 | EFI_STATUS\r | |
368 | Tcp4IoTransmit (\r | |
369 | IN TCP4_IO *Tcp4Io,\r | |
370 | IN NET_BUF *Packet\r | |
371 | )\r | |
6a690e23 | 372 | {\r |
373 | EFI_TCP4_TRANSMIT_DATA *TxData;\r | |
374 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
375 | EFI_STATUS Status;\r | |
376 | \r | |
e48e37fc | 377 | TxData = AllocatePool (sizeof (EFI_TCP4_TRANSMIT_DATA) + (Packet->BlockOpNum - 1) * sizeof (EFI_TCP4_FRAGMENT_DATA));\r |
6a690e23 | 378 | if (TxData == NULL) {\r |
379 | return EFI_OUT_OF_RESOURCES;\r | |
380 | }\r | |
381 | \r | |
382 | TxData->Push = TRUE;\r | |
383 | TxData->Urgent = FALSE;\r | |
384 | TxData->DataLength = Packet->TotalSize;\r | |
385 | \r | |
386 | //\r | |
387 | // Build the fragment table.\r | |
388 | //\r | |
389 | TxData->FragmentCount = Packet->BlockOpNum;\r | |
390 | NetbufBuildExt (Packet, (NET_FRAGMENT *) &TxData->FragmentTable[0], &TxData->FragmentCount);\r | |
391 | \r | |
392 | Tcp4Io->TxToken.Packet.TxData = TxData;\r | |
393 | \r | |
394 | //\r | |
395 | // Trasnmit the packet.\r | |
396 | //\r | |
397 | Tcp4 = Tcp4Io->Tcp4;\r | |
398 | Status = Tcp4->Transmit (Tcp4, &Tcp4Io->TxToken);\r | |
399 | if (EFI_ERROR (Status)) {\r | |
400 | goto ON_EXIT;\r | |
401 | }\r | |
402 | \r | |
403 | while (!Tcp4Io->IsTxDone) {\r | |
404 | Tcp4->Poll (Tcp4);\r | |
405 | }\r | |
406 | \r | |
407 | Tcp4Io->IsTxDone = FALSE;\r | |
408 | \r | |
409 | Status = Tcp4Io->TxToken.CompletionToken.Status;\r | |
410 | \r | |
411 | ON_EXIT:\r | |
412 | \r | |
e48e37fc | 413 | gBS->FreePool (TxData);\r |
6a690e23 | 414 | \r |
415 | return Status;\r | |
416 | }\r | |
417 | \r | |
12618416 | 418 | /**\r |
419 | Receive data from the socket.\r | |
6a690e23 | 420 | \r |
12618416 | 421 | @param Tcp4Io[in] The Tcp4Io which wraps the socket to be destroyeds.\r |
6a690e23 | 422 | \r |
12618416 | 423 | @param Packet[in] The buffer to hold the data copy from the soket rx buffer.\r |
6a690e23 | 424 | \r |
12618416 | 425 | @param AsyncMode[in] Is this receive asyncronous or not.\r |
6a690e23 | 426 | \r |
12618416 | 427 | @param Timeout[in] The time to wait for receiving the amount of data the Packet\r |
428 | can hold.\r | |
6a690e23 | 429 | \r |
12618416 | 430 | @retval EFI_SUCCESS The required amount of data is received from the socket.\r |
6a690e23 | 431 | \r |
12618416 | 432 | @retval EFI_OUT_OF_RESOURCES Failed to allocate momery.\r |
6a690e23 | 433 | \r |
12618416 | 434 | @retval EFI_TIMEOUT Failed to receive the required amount of data in the\r |
435 | specified time period.\r | |
436 | \r | |
437 | **/\r | |
438 | EFI_STATUS\r | |
439 | Tcp4IoReceive (\r | |
440 | IN TCP4_IO *Tcp4Io,\r | |
441 | IN NET_BUF *Packet,\r | |
442 | IN BOOLEAN AsyncMode,\r | |
443 | IN EFI_EVENT Timeout\r | |
444 | )\r | |
6a690e23 | 445 | {\r |
446 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
447 | EFI_TCP4_RECEIVE_DATA RxData;\r | |
448 | EFI_STATUS Status;\r | |
449 | NET_FRAGMENT *Fragment;\r | |
450 | UINT32 FragmentCount;\r | |
451 | UINT32 CurrentFragment;\r | |
452 | \r | |
453 | FragmentCount = Packet->BlockOpNum;\r | |
e48e37fc | 454 | Fragment = AllocatePool (FragmentCount * sizeof (NET_FRAGMENT));\r |
6a690e23 | 455 | if (Fragment == NULL) {\r |
456 | return EFI_OUT_OF_RESOURCES;\r | |
457 | }\r | |
458 | //\r | |
459 | // Build the fragment table.\r | |
460 | //\r | |
461 | NetbufBuildExt (Packet, Fragment, &FragmentCount);\r | |
462 | \r | |
463 | RxData.FragmentCount = 1;\r | |
464 | Tcp4Io->RxToken.Packet.RxData = &RxData;\r | |
465 | CurrentFragment = 0;\r | |
466 | Tcp4 = Tcp4Io->Tcp4;\r | |
467 | Status = EFI_SUCCESS;\r | |
468 | \r | |
469 | while (CurrentFragment < FragmentCount) {\r | |
470 | RxData.DataLength = Fragment[CurrentFragment].Len;\r | |
471 | RxData.FragmentTable[0].FragmentLength = Fragment[CurrentFragment].Len;\r | |
472 | RxData.FragmentTable[0].FragmentBuffer = Fragment[CurrentFragment].Bulk;\r | |
473 | \r | |
474 | Status = Tcp4->Receive (Tcp4, &Tcp4Io->RxToken);\r | |
475 | if (EFI_ERROR (Status)) {\r | |
476 | goto ON_EXIT;\r | |
477 | }\r | |
478 | \r | |
479 | while (!Tcp4Io->IsRxDone && ((Timeout == NULL) || EFI_ERROR (gBS->CheckEvent (Timeout)))) {\r | |
480 | //\r | |
481 | // Poll until some data is received or something error happens.\r | |
482 | //\r | |
483 | Tcp4->Poll (Tcp4);\r | |
484 | }\r | |
485 | \r | |
486 | if (!Tcp4Io->IsRxDone) {\r | |
487 | //\r | |
488 | // Timeout occurs, cancel the receive request.\r | |
489 | //\r | |
490 | Tcp4->Cancel (Tcp4, &Tcp4Io->RxToken.CompletionToken);\r | |
491 | \r | |
492 | Status = EFI_TIMEOUT;\r | |
493 | goto ON_EXIT;\r | |
494 | } else {\r | |
495 | Tcp4Io->IsRxDone = FALSE;\r | |
496 | }\r | |
497 | \r | |
498 | if (EFI_ERROR (Tcp4Io->RxToken.CompletionToken.Status)) {\r | |
499 | Status = Tcp4Io->RxToken.CompletionToken.Status;\r | |
500 | goto ON_EXIT;\r | |
501 | }\r | |
502 | \r | |
503 | Fragment[CurrentFragment].Len -= RxData.FragmentTable[0].FragmentLength;\r | |
504 | if (Fragment[CurrentFragment].Len == 0) {\r | |
505 | CurrentFragment++;\r | |
506 | } else {\r | |
507 | Fragment[CurrentFragment].Bulk += RxData.FragmentTable[0].FragmentLength;\r | |
508 | }\r | |
509 | }\r | |
510 | \r | |
511 | ON_EXIT:\r | |
512 | \r | |
e48e37fc | 513 | gBS->FreePool (Fragment);\r |
6a690e23 | 514 | \r |
515 | return Status;\r | |
516 | }\r |