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Commit | Line | Data |
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12618416 | 1 | /** @file\r |
02aa4e52 | 2 | The wrap of TCP/IP Socket interface.\r |
6a690e23 | 3 | \r |
e5eed7d3 HT |
4 | Copyright (c) 2004 - 2009, Intel Corporation. All rights reserved.<BR>\r |
5 | This program and the accompanying materials\r | |
7a444476 | 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 |
12618416 | 13 | **/\r |
6a690e23 | 14 | \r |
15 | #include "IScsiImpl.h"\r | |
16 | \r | |
12618416 | 17 | /**\r |
18 | The common notify function associated with various Tcp4Io events. \r | |
19 | \r | |
02aa4e52 | 20 | @param[in] Event The event signaled.\r |
21 | @param[in] Context The context.\r | |
12618416 | 22 | **/\r |
6a690e23 | 23 | VOID\r |
24 | EFIAPI\r | |
25 | Tcp4IoCommonNotify (\r | |
26 | IN EFI_EVENT Event,\r | |
27 | IN VOID *Context\r | |
28 | )\r | |
12618416 | 29 | {\r |
30 | *((BOOLEAN *) Context) = TRUE;\r | |
31 | }\r | |
6a690e23 | 32 | \r |
12618416 | 33 | /**\r |
34 | Create a TCP socket with the specified configuration data. \r | |
6a690e23 | 35 | \r |
02aa4e52 | 36 | @param[in] Image The handle of the driver image.\r |
37 | @param[in] Controller The handle of the controller.\r | |
38 | @param[in] ConfigData The Tcp4 configuration data.\r | |
39 | @param[in] Tcp4Io The Tcp4Io.\r | |
12618416 | 40 | \r |
41 | @retval EFI_SUCCESS The TCP socket is created and configured.\r | |
02aa4e52 | 42 | @retval Others Failed to create the TCP socket or configure it.\r |
12618416 | 43 | **/\r |
6a690e23 | 44 | EFI_STATUS\r |
45 | Tcp4IoCreateSocket (\r | |
46 | IN EFI_HANDLE Image,\r | |
47 | IN EFI_HANDLE Controller,\r | |
48 | IN TCP4_IO_CONFIG_DATA *ConfigData,\r | |
49 | IN TCP4_IO *Tcp4Io\r | |
50 | )\r | |
6a690e23 | 51 | {\r |
52 | EFI_STATUS Status;\r | |
53 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
54 | EFI_TCP4_CONFIG_DATA Tcp4ConfigData;\r | |
55 | EFI_TCP4_OPTION ControlOption;\r | |
56 | EFI_TCP4_ACCESS_POINT *AccessPoint;\r | |
57 | \r | |
58 | Tcp4Io->Handle = NULL;\r | |
59 | Tcp4Io->ConnToken.CompletionToken.Event = NULL;\r | |
60 | Tcp4Io->TxToken.CompletionToken.Event = NULL;\r | |
61 | Tcp4Io->RxToken.CompletionToken.Event = NULL;\r | |
62 | Tcp4Io->CloseToken.CompletionToken.Event = NULL;\r | |
63 | Tcp4 = NULL;\r | |
64 | \r | |
65 | //\r | |
66 | // Create the TCP4 child instance and get the TCP4 protocol.\r | |
67 | //\r | |
68 | Status = NetLibCreateServiceChild (\r | |
69 | Controller,\r | |
70 | Image,\r | |
71 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
72 | &Tcp4Io->Handle\r | |
73 | );\r | |
74 | if (EFI_ERROR (Status)) {\r | |
75 | return Status;\r | |
76 | }\r | |
77 | \r | |
78 | Status = gBS->OpenProtocol (\r | |
79 | Tcp4Io->Handle,\r | |
80 | &gEfiTcp4ProtocolGuid,\r | |
81 | (VOID **)&Tcp4Io->Tcp4,\r | |
82 | Image,\r | |
83 | Controller,\r | |
84 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
85 | );\r | |
86 | if (EFI_ERROR (Status)) {\r | |
87 | goto ON_ERROR;\r | |
88 | }\r | |
89 | \r | |
90 | Tcp4Io->Image = Image;\r | |
91 | Tcp4Io->Controller = Controller;\r | |
92 | Tcp4 = Tcp4Io->Tcp4;\r | |
93 | \r | |
94 | //\r | |
95 | // Set the configuration parameters.\r | |
96 | //\r | |
97 | ControlOption.ReceiveBufferSize = 0x200000;\r | |
98 | ControlOption.SendBufferSize = 0x200000;\r | |
99 | ControlOption.MaxSynBackLog = 0;\r | |
100 | ControlOption.ConnectionTimeout = 0;\r | |
101 | ControlOption.DataRetries = 6;\r | |
102 | ControlOption.FinTimeout = 0;\r | |
103 | ControlOption.TimeWaitTimeout = 0;\r | |
104 | ControlOption.KeepAliveProbes = 4;\r | |
105 | ControlOption.KeepAliveTime = 0;\r | |
106 | ControlOption.KeepAliveInterval = 0;\r | |
107 | ControlOption.EnableNagle = FALSE;\r | |
108 | ControlOption.EnableTimeStamp = FALSE;\r | |
109 | ControlOption.EnableWindowScaling = TRUE;\r | |
110 | ControlOption.EnableSelectiveAck = FALSE;\r | |
111 | ControlOption.EnablePathMtuDiscovery = FALSE;\r | |
112 | \r | |
113 | Tcp4ConfigData.TypeOfService = 8;\r | |
114 | Tcp4ConfigData.TimeToLive = 255;\r | |
115 | Tcp4ConfigData.ControlOption = &ControlOption;\r | |
116 | \r | |
117 | AccessPoint = &Tcp4ConfigData.AccessPoint;\r | |
118 | \r | |
119 | AccessPoint->UseDefaultAddress = FALSE;\r | |
120 | AccessPoint->StationPort = 0;\r | |
121 | AccessPoint->RemotePort = ConfigData->RemotePort;\r | |
122 | AccessPoint->ActiveFlag = TRUE;\r | |
123 | \r | |
e48e37fc | 124 | CopyMem (&AccessPoint->StationAddress, &ConfigData->LocalIp, sizeof (EFI_IPv4_ADDRESS));\r |
125 | CopyMem (&AccessPoint->SubnetMask, &ConfigData->SubnetMask, sizeof (EFI_IPv4_ADDRESS));\r | |
126 | CopyMem (&AccessPoint->RemoteAddress, &ConfigData->RemoteIp, sizeof (EFI_IPv4_ADDRESS));\r | |
6a690e23 | 127 | \r |
128 | //\r | |
129 | // Configure the TCP4 protocol.\r | |
130 | //\r | |
131 | Status = Tcp4->Configure (Tcp4, &Tcp4ConfigData);\r | |
132 | if (EFI_ERROR (Status)) {\r | |
133 | goto ON_ERROR;\r | |
134 | }\r | |
135 | \r | |
136 | if (!EFI_IP4_EQUAL (&ConfigData->Gateway, &mZeroIp4Addr)) {\r | |
137 | //\r | |
138 | // the gateway is not zero, add the default route by hand\r | |
139 | //\r | |
140 | Status = Tcp4->Routes (Tcp4, FALSE, &mZeroIp4Addr, &mZeroIp4Addr, &ConfigData->Gateway);\r | |
141 | if (EFI_ERROR (Status)) {\r | |
142 | goto ON_ERROR;\r | |
143 | }\r | |
144 | }\r | |
145 | //\r | |
146 | // Create events for variuos asynchronous operations.\r | |
147 | //\r | |
148 | Status = gBS->CreateEvent (\r | |
e53a6ea9 | 149 | EVT_NOTIFY_SIGNAL,\r |
e48e37fc | 150 | TPL_NOTIFY,\r |
6a690e23 | 151 | Tcp4IoCommonNotify,\r |
152 | &Tcp4Io->IsConnDone,\r | |
153 | &Tcp4Io->ConnToken.CompletionToken.Event\r | |
154 | );\r | |
155 | if (EFI_ERROR (Status)) {\r | |
156 | goto ON_ERROR;\r | |
157 | }\r | |
158 | \r | |
159 | Status = gBS->CreateEvent (\r | |
e53a6ea9 | 160 | EVT_NOTIFY_SIGNAL,\r |
e48e37fc | 161 | TPL_NOTIFY,\r |
6a690e23 | 162 | Tcp4IoCommonNotify,\r |
163 | &Tcp4Io->IsTxDone,\r | |
164 | &Tcp4Io->TxToken.CompletionToken.Event\r | |
165 | );\r | |
166 | if (EFI_ERROR (Status)) {\r | |
167 | goto ON_ERROR;\r | |
168 | }\r | |
169 | \r | |
170 | Status = gBS->CreateEvent (\r | |
e53a6ea9 | 171 | EVT_NOTIFY_SIGNAL,\r |
e48e37fc | 172 | TPL_NOTIFY,\r |
6a690e23 | 173 | Tcp4IoCommonNotify,\r |
174 | &Tcp4Io->IsRxDone,\r | |
175 | &Tcp4Io->RxToken.CompletionToken.Event\r | |
176 | );\r | |
177 | if (EFI_ERROR (Status)) {\r | |
178 | goto ON_ERROR;\r | |
179 | }\r | |
180 | \r | |
181 | Status = gBS->CreateEvent (\r | |
e53a6ea9 | 182 | EVT_NOTIFY_SIGNAL,\r |
e48e37fc | 183 | TPL_NOTIFY,\r |
6a690e23 | 184 | Tcp4IoCommonNotify,\r |
185 | &Tcp4Io->IsCloseDone,\r | |
186 | &Tcp4Io->CloseToken.CompletionToken.Event\r | |
187 | );\r | |
188 | if (EFI_ERROR (Status)) {\r | |
189 | goto ON_ERROR;\r | |
190 | }\r | |
191 | \r | |
192 | Tcp4Io->IsTxDone = FALSE;\r | |
193 | Tcp4Io->IsRxDone = FALSE;\r | |
194 | \r | |
195 | return EFI_SUCCESS;\r | |
196 | \r | |
197 | ON_ERROR:\r | |
198 | \r | |
199 | if (Tcp4Io->RxToken.CompletionToken.Event != NULL) {\r | |
200 | gBS->CloseEvent (Tcp4Io->RxToken.CompletionToken.Event);\r | |
201 | }\r | |
202 | \r | |
203 | if (Tcp4Io->TxToken.CompletionToken.Event != NULL) {\r | |
204 | gBS->CloseEvent (Tcp4Io->TxToken.CompletionToken.Event);\r | |
205 | }\r | |
206 | \r | |
207 | if (Tcp4Io->ConnToken.CompletionToken.Event != NULL) {\r | |
208 | gBS->CloseEvent (Tcp4Io->ConnToken.CompletionToken.Event);\r | |
209 | }\r | |
210 | \r | |
211 | if (Tcp4 != NULL) {\r | |
212 | Tcp4->Configure (Tcp4, NULL);\r | |
213 | \r | |
214 | gBS->CloseProtocol (\r | |
215 | Tcp4Io->Handle,\r | |
216 | &gEfiTcp4ProtocolGuid,\r | |
217 | Image,\r | |
218 | Controller\r | |
219 | );\r | |
220 | }\r | |
221 | \r | |
222 | NetLibDestroyServiceChild (\r | |
223 | Controller,\r | |
224 | Image,\r | |
225 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
226 | Tcp4Io->Handle\r | |
227 | );\r | |
228 | \r | |
229 | return Status;\r | |
230 | }\r | |
231 | \r | |
12618416 | 232 | /**\r |
6a690e23 | 233 | Destroy the socket. \r |
234 | \r | |
12618416 | 235 | @param[in] Tcp4Io The Tcp4Io which wraps the socket to be destroyeds.\r |
12618416 | 236 | **/\r |
237 | VOID\r | |
238 | Tcp4IoDestroySocket (\r | |
239 | IN TCP4_IO *Tcp4Io\r | |
240 | )\r | |
6a690e23 | 241 | {\r |
242 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
243 | \r | |
244 | Tcp4 = Tcp4Io->Tcp4;\r | |
245 | \r | |
246 | Tcp4->Configure (Tcp4, NULL);\r | |
247 | \r | |
248 | gBS->CloseEvent (Tcp4Io->TxToken.CompletionToken.Event);\r | |
249 | gBS->CloseEvent (Tcp4Io->RxToken.CompletionToken.Event);\r | |
250 | gBS->CloseEvent (Tcp4Io->ConnToken.CompletionToken.Event);\r | |
251 | \r | |
252 | gBS->CloseProtocol (\r | |
253 | Tcp4Io->Handle,\r | |
254 | &gEfiTcp4ProtocolGuid,\r | |
255 | Tcp4Io->Image,\r | |
256 | Tcp4Io->Controller\r | |
257 | );\r | |
258 | \r | |
259 | NetLibDestroyServiceChild (\r | |
260 | Tcp4Io->Controller,\r | |
261 | Tcp4Io->Image,\r | |
262 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
263 | Tcp4Io->Handle\r | |
264 | );\r | |
265 | }\r | |
266 | \r | |
12618416 | 267 | /**\r |
6a690e23 | 268 | Connect to the other endpoint of the TCP socket.\r |
269 | \r | |
c5de0d55 | 270 | @param[in, out] Tcp4Io The Tcp4Io wrapping the TCP socket.\r |
271 | @param[in] Timeout The time to wait for connection done.\r | |
02aa4e52 | 272 | \r |
273 | @retval EFI_SUCCESS Connect to the other endpoint of the TCP socket successfully.\r | |
274 | @retval EFI_TIMEOUT Failed to connect to the other endpoint of the TCP socket in the specified time period.\r | |
963dbb30 | 275 | @retval Others Other errors as indicated.\r |
12618416 | 276 | **/\r |
277 | EFI_STATUS\r | |
278 | Tcp4IoConnect (\r | |
c5de0d55 | 279 | IN OUT TCP4_IO *Tcp4Io,\r |
280 | IN EFI_EVENT Timeout\r | |
12618416 | 281 | )\r |
6a690e23 | 282 | {\r |
283 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
284 | EFI_STATUS Status;\r | |
285 | \r | |
286 | Tcp4Io->IsConnDone = FALSE;\r | |
287 | Tcp4 = Tcp4Io->Tcp4;\r | |
288 | Status = Tcp4->Connect (Tcp4, &Tcp4Io->ConnToken);\r | |
289 | if (EFI_ERROR (Status)) {\r | |
290 | return Status;\r | |
291 | }\r | |
292 | \r | |
293 | while (!Tcp4Io->IsConnDone && EFI_ERROR (gBS->CheckEvent (Timeout))) {\r | |
294 | Tcp4->Poll (Tcp4);\r | |
295 | }\r | |
296 | \r | |
297 | if (!Tcp4Io->IsConnDone) {\r | |
298 | Status = EFI_TIMEOUT;\r | |
299 | } else {\r | |
300 | Status = Tcp4Io->ConnToken.CompletionToken.Status;\r | |
301 | }\r | |
302 | \r | |
303 | return Status;\r | |
304 | }\r | |
305 | \r | |
12618416 | 306 | /**\r |
6a690e23 | 307 | Reset the socket.\r |
308 | \r | |
c5de0d55 | 309 | @param[in, out] Tcp4Io The Tcp4Io wrapping the TCP socket.\r |
12618416 | 310 | **/\r |
311 | VOID\r | |
312 | Tcp4IoReset (\r | |
c5de0d55 | 313 | IN OUT TCP4_IO *Tcp4Io\r |
12618416 | 314 | )\r |
6a690e23 | 315 | {\r |
316 | EFI_STATUS Status;\r | |
317 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
318 | \r | |
319 | Tcp4Io->CloseToken.AbortOnClose = TRUE;\r | |
320 | Tcp4Io->IsCloseDone = FALSE;\r | |
321 | \r | |
322 | Tcp4 = Tcp4Io->Tcp4;\r | |
323 | Status = Tcp4->Close (Tcp4, &Tcp4Io->CloseToken);\r | |
324 | if (EFI_ERROR (Status)) {\r | |
325 | return ;\r | |
326 | }\r | |
327 | \r | |
328 | while (!Tcp4Io->IsCloseDone) {\r | |
329 | Tcp4->Poll (Tcp4);\r | |
330 | }\r | |
331 | }\r | |
332 | \r | |
12618416 | 333 | /**\r |
6a690e23 | 334 | Transmit the Packet to the other endpoint of the socket.\r |
335 | \r | |
02aa4e52 | 336 | @param[in] Tcp4Io The Tcp4Io wrapping the TCP socket.\r |
337 | @param[in] Packet The packet to transmit.\r | |
338 | \r | |
12618416 | 339 | @retval EFI_SUCCESS The packet is trasmitted.\r |
12618416 | 340 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r |
963dbb30 | 341 | @retval Others Other errors as indicated.\r |
12618416 | 342 | **/\r |
343 | EFI_STATUS\r | |
344 | Tcp4IoTransmit (\r | |
345 | IN TCP4_IO *Tcp4Io,\r | |
346 | IN NET_BUF *Packet\r | |
347 | )\r | |
6a690e23 | 348 | {\r |
349 | EFI_TCP4_TRANSMIT_DATA *TxData;\r | |
350 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
351 | EFI_STATUS Status;\r | |
352 | \r | |
e48e37fc | 353 | TxData = AllocatePool (sizeof (EFI_TCP4_TRANSMIT_DATA) + (Packet->BlockOpNum - 1) * sizeof (EFI_TCP4_FRAGMENT_DATA));\r |
6a690e23 | 354 | if (TxData == NULL) {\r |
355 | return EFI_OUT_OF_RESOURCES;\r | |
356 | }\r | |
357 | \r | |
358 | TxData->Push = TRUE;\r | |
359 | TxData->Urgent = FALSE;\r | |
360 | TxData->DataLength = Packet->TotalSize;\r | |
361 | \r | |
362 | //\r | |
363 | // Build the fragment table.\r | |
364 | //\r | |
365 | TxData->FragmentCount = Packet->BlockOpNum;\r | |
366 | NetbufBuildExt (Packet, (NET_FRAGMENT *) &TxData->FragmentTable[0], &TxData->FragmentCount);\r | |
367 | \r | |
368 | Tcp4Io->TxToken.Packet.TxData = TxData;\r | |
369 | \r | |
370 | //\r | |
371 | // Trasnmit the packet.\r | |
372 | //\r | |
373 | Tcp4 = Tcp4Io->Tcp4;\r | |
374 | Status = Tcp4->Transmit (Tcp4, &Tcp4Io->TxToken);\r | |
375 | if (EFI_ERROR (Status)) {\r | |
376 | goto ON_EXIT;\r | |
377 | }\r | |
378 | \r | |
379 | while (!Tcp4Io->IsTxDone) {\r | |
380 | Tcp4->Poll (Tcp4);\r | |
381 | }\r | |
382 | \r | |
383 | Tcp4Io->IsTxDone = FALSE;\r | |
384 | \r | |
385 | Status = Tcp4Io->TxToken.CompletionToken.Status;\r | |
386 | \r | |
387 | ON_EXIT:\r | |
388 | \r | |
766c7483 | 389 | FreePool (TxData);\r |
6a690e23 | 390 | \r |
391 | return Status;\r | |
392 | }\r | |
393 | \r | |
12618416 | 394 | /**\r |
395 | Receive data from the socket.\r | |
6a690e23 | 396 | \r |
02aa4e52 | 397 | @param[in] Tcp4Io The Tcp4Io which wraps the socket to be destroyed.\r |
398 | @param[in] Packet The buffer to hold the data copy from the soket rx buffer.\r | |
399 | @param[in] AsyncMode Is this receive asyncronous or not.\r | |
400 | @param[in] Timeout The time to wait for receiving the amount of data the Packet\r | |
12618416 | 401 | can hold.\r |
6a690e23 | 402 | \r |
12618416 | 403 | @retval EFI_SUCCESS The required amount of data is received from the socket.\r |
12618416 | 404 | @retval EFI_OUT_OF_RESOURCES Failed to allocate momery.\r |
12618416 | 405 | @retval EFI_TIMEOUT Failed to receive the required amount of data in the\r |
406 | specified time period.\r | |
963dbb30 | 407 | @retval Others Other errors as indicated.\r |
12618416 | 408 | **/\r |
409 | EFI_STATUS\r | |
410 | Tcp4IoReceive (\r | |
411 | IN TCP4_IO *Tcp4Io,\r | |
412 | IN NET_BUF *Packet,\r | |
413 | IN BOOLEAN AsyncMode,\r | |
414 | IN EFI_EVENT Timeout\r | |
415 | )\r | |
6a690e23 | 416 | {\r |
417 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
418 | EFI_TCP4_RECEIVE_DATA RxData;\r | |
419 | EFI_STATUS Status;\r | |
420 | NET_FRAGMENT *Fragment;\r | |
421 | UINT32 FragmentCount;\r | |
422 | UINT32 CurrentFragment;\r | |
423 | \r | |
424 | FragmentCount = Packet->BlockOpNum;\r | |
e48e37fc | 425 | Fragment = AllocatePool (FragmentCount * sizeof (NET_FRAGMENT));\r |
6a690e23 | 426 | if (Fragment == NULL) {\r |
427 | return EFI_OUT_OF_RESOURCES;\r | |
428 | }\r | |
429 | //\r | |
430 | // Build the fragment table.\r | |
431 | //\r | |
432 | NetbufBuildExt (Packet, Fragment, &FragmentCount);\r | |
433 | \r | |
434 | RxData.FragmentCount = 1;\r | |
435 | Tcp4Io->RxToken.Packet.RxData = &RxData;\r | |
436 | CurrentFragment = 0;\r | |
437 | Tcp4 = Tcp4Io->Tcp4;\r | |
438 | Status = EFI_SUCCESS;\r | |
439 | \r | |
440 | while (CurrentFragment < FragmentCount) {\r | |
441 | RxData.DataLength = Fragment[CurrentFragment].Len;\r | |
442 | RxData.FragmentTable[0].FragmentLength = Fragment[CurrentFragment].Len;\r | |
443 | RxData.FragmentTable[0].FragmentBuffer = Fragment[CurrentFragment].Bulk;\r | |
444 | \r | |
445 | Status = Tcp4->Receive (Tcp4, &Tcp4Io->RxToken);\r | |
446 | if (EFI_ERROR (Status)) {\r | |
447 | goto ON_EXIT;\r | |
448 | }\r | |
449 | \r | |
450 | while (!Tcp4Io->IsRxDone && ((Timeout == NULL) || EFI_ERROR (gBS->CheckEvent (Timeout)))) {\r | |
451 | //\r | |
452 | // Poll until some data is received or something error happens.\r | |
453 | //\r | |
454 | Tcp4->Poll (Tcp4);\r | |
455 | }\r | |
456 | \r | |
457 | if (!Tcp4Io->IsRxDone) {\r | |
458 | //\r | |
459 | // Timeout occurs, cancel the receive request.\r | |
460 | //\r | |
461 | Tcp4->Cancel (Tcp4, &Tcp4Io->RxToken.CompletionToken);\r | |
462 | \r | |
463 | Status = EFI_TIMEOUT;\r | |
464 | goto ON_EXIT;\r | |
465 | } else {\r | |
466 | Tcp4Io->IsRxDone = FALSE;\r | |
467 | }\r | |
468 | \r | |
469 | if (EFI_ERROR (Tcp4Io->RxToken.CompletionToken.Status)) {\r | |
470 | Status = Tcp4Io->RxToken.CompletionToken.Status;\r | |
471 | goto ON_EXIT;\r | |
472 | }\r | |
473 | \r | |
474 | Fragment[CurrentFragment].Len -= RxData.FragmentTable[0].FragmentLength;\r | |
475 | if (Fragment[CurrentFragment].Len == 0) {\r | |
476 | CurrentFragment++;\r | |
477 | } else {\r | |
478 | Fragment[CurrentFragment].Bulk += RxData.FragmentTable[0].FragmentLength;\r | |
479 | }\r | |
480 | }\r | |
481 | \r | |
482 | ON_EXIT:\r | |
653ef62e | 483 | Tcp4Io->RxToken.Packet.RxData = NULL;\r |
766c7483 | 484 | FreePool (Fragment);\r |
6a690e23 | 485 | \r |
486 | return Status;\r | |
487 | }\r |