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772db4bb | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2006 - 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 | Mtftp4Impl.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Interface routine for Mtftp4\r | |
19 | \r | |
20 | \r | |
21 | **/\r | |
22 | \r | |
23 | #include "Mtftp4Impl.h"\r | |
24 | \r | |
25 | STATIC\r | |
26 | EFI_STATUS\r | |
27 | EFIAPI\r | |
28 | EfiMtftp4ReadFile (\r | |
29 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
30 | IN EFI_MTFTP4_TOKEN *Token\r | |
31 | );\r | |
32 | \r | |
33 | \r | |
34 | /**\r | |
35 | Get the current operation parameter for the MTFTP session\r | |
36 | \r | |
37 | @param This The MTFTP protocol instance\r | |
38 | @param ModeData The MTFTP mode data\r | |
39 | \r | |
40 | @retval EFI_INVALID_PARAMETER This or ModeData is NULL\r | |
41 | @retval EFI_SUCCESS The operation parameter is saved in ModeData\r | |
42 | \r | |
43 | **/\r | |
44 | STATIC\r | |
45 | EFI_STATUS\r | |
46 | EFIAPI\r | |
47 | EfiMtftp4GetModeData (\r | |
48 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
49 | OUT EFI_MTFTP4_MODE_DATA *ModeData\r | |
50 | )\r | |
51 | {\r | |
52 | MTFTP4_PROTOCOL *Instance;\r | |
53 | EFI_TPL OldTpl;\r | |
54 | \r | |
55 | if ((This == NULL) || (ModeData == NULL)) {\r | |
56 | return EFI_INVALID_PARAMETER;\r | |
57 | }\r | |
58 | \r | |
59 | OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);\r | |
60 | \r | |
61 | Instance = MTFTP4_PROTOCOL_FROM_THIS (This);\r | |
62 | ModeData->ConfigData = Instance->Config;\r | |
63 | ModeData->SupportedOptionCount = MTFTP4_SUPPORTED_OPTIONS;\r | |
64 | ModeData->SupportedOptoins = mMtftp4SupportedOptions;\r | |
65 | ModeData->UnsupportedOptionCount = 0;\r | |
66 | ModeData->UnsupportedOptoins = NULL;\r | |
67 | \r | |
68 | NET_RESTORE_TPL (OldTpl);\r | |
69 | \r | |
70 | return EFI_SUCCESS;\r | |
71 | }\r | |
72 | \r | |
73 | \r | |
74 | /**\r | |
75 | Clean up the MTFTP session to get ready for new operation.\r | |
76 | \r | |
77 | @param Instance The MTFTP session to clean up\r | |
78 | @param Result The result to return to the caller who initiated\r | |
79 | the operation.\r | |
80 | \r | |
81 | @return None\r | |
82 | \r | |
83 | **/\r | |
84 | VOID\r | |
85 | Mtftp4CleanOperation (\r | |
86 | IN MTFTP4_PROTOCOL *Instance,\r | |
87 | IN EFI_STATUS Result\r | |
88 | )\r | |
89 | {\r | |
90 | NET_LIST_ENTRY *Entry;\r | |
91 | NET_LIST_ENTRY *Next;\r | |
92 | MTFTP4_BLOCK_RANGE *Block;\r | |
93 | EFI_MTFTP4_TOKEN *Token;\r | |
94 | \r | |
95 | //\r | |
96 | // Free various resources.\r | |
97 | //\r | |
98 | Token = Instance->Token;\r | |
99 | \r | |
100 | if (Token != NULL) {\r | |
101 | Token->Status = Result;\r | |
102 | \r | |
103 | if (Token->Event != NULL) {\r | |
104 | gBS->SignalEvent (Token->Event);\r | |
105 | }\r | |
106 | \r | |
107 | Instance->Token = NULL;\r | |
108 | }\r | |
109 | \r | |
110 | ASSERT (Instance->UnicastPort != NULL);\r | |
111 | UdpIoCleanPort (Instance->UnicastPort);\r | |
112 | \r | |
113 | if (Instance->LastPacket != NULL) {\r | |
114 | NetbufFree (Instance->LastPacket);\r | |
115 | Instance->LastPacket = NULL;\r | |
116 | }\r | |
117 | \r | |
118 | if (Instance->McastUdpPort != NULL) {\r | |
119 | UdpIoFreePort (Instance->McastUdpPort);\r | |
120 | Instance->McastUdpPort = NULL;\r | |
121 | }\r | |
122 | \r | |
123 | NET_LIST_FOR_EACH_SAFE (Entry, Next, &Instance->Blocks) {\r | |
124 | Block = NET_LIST_USER_STRUCT (Entry, MTFTP4_BLOCK_RANGE, Link);\r | |
125 | NetListRemoveEntry (Entry);\r | |
126 | NetFreePool (Block);\r | |
127 | }\r | |
128 | \r | |
129 | NetZeroMem (&Instance->RequestOption, sizeof (MTFTP4_OPTION));\r | |
130 | \r | |
131 | Instance->Operation = 0;\r | |
132 | \r | |
133 | Instance->BlkSize = MTFTP4_DEFAULT_BLKSIZE;\r | |
134 | Instance->LastBlock = 0;\r | |
135 | Instance->ServerIp = 0;\r | |
136 | Instance->ListeningPort = 0;\r | |
137 | Instance->ConnectedPort = 0;\r | |
138 | Instance->Gateway = 0;\r | |
139 | Instance->PacketToLive = 0;\r | |
140 | Instance->MaxRetry = 0;\r | |
141 | Instance->CurRetry = 0;\r | |
142 | Instance->Timeout = 0;\r | |
143 | Instance->McastIp = 0;\r | |
144 | Instance->McastPort = 0;\r | |
145 | Instance->Master = TRUE;\r | |
146 | }\r | |
147 | \r | |
148 | \r | |
149 | /**\r | |
150 | Configure the MTFTP session for new operation or reset the current\r | |
151 | operation if ConfigData is NULL.\r | |
152 | \r | |
153 | @param This The MTFTP session to configure\r | |
154 | @param ConfigData The configure parameters\r | |
155 | \r | |
156 | @retval EFI_INVALID_PARAMETER Some of the parameter is invalid.\r | |
157 | @retval EFI_ACCESS_DENIED There is pending operation\r | |
158 | @retval EFI_SUCCESS The instance is configured for operation.\r | |
159 | \r | |
160 | **/\r | |
161 | STATIC\r | |
162 | EFI_STATUS\r | |
163 | EFIAPI\r | |
164 | EfiMtftp4Configure (\r | |
165 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
166 | IN EFI_MTFTP4_CONFIG_DATA *ConfigData\r | |
167 | )\r | |
168 | {\r | |
169 | MTFTP4_PROTOCOL *Instance;\r | |
170 | EFI_TPL OldTpl;\r | |
171 | IP4_ADDR Ip;\r | |
172 | IP4_ADDR Netmask;\r | |
173 | IP4_ADDR Gateway;\r | |
174 | IP4_ADDR ServerIp;\r | |
175 | \r | |
176 | if (This == NULL) {\r | |
177 | return EFI_INVALID_PARAMETER;\r | |
178 | }\r | |
179 | \r | |
180 | Instance = MTFTP4_PROTOCOL_FROM_THIS (This);\r | |
181 | \r | |
182 | if (ConfigData == NULL) {\r | |
183 | //\r | |
184 | // Reset the operation if ConfigData is NULL\r | |
185 | //\r | |
186 | OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);\r | |
187 | \r | |
188 | Mtftp4CleanOperation (Instance, EFI_ABORTED);\r | |
189 | NetZeroMem (&Instance->Config, sizeof (EFI_MTFTP4_CONFIG_DATA));\r | |
190 | Instance->State = MTFTP4_STATE_UNCONFIGED;\r | |
191 | \r | |
192 | NET_RESTORE_TPL (OldTpl);\r | |
193 | \r | |
194 | } else {\r | |
195 | //\r | |
196 | // Configure the parameters for new operation.\r | |
197 | //\r | |
198 | NetCopyMem (&Ip, &ConfigData->StationIp, sizeof (IP4_ADDR));\r | |
199 | NetCopyMem (&Netmask, &ConfigData->SubnetMask, sizeof (IP4_ADDR));\r | |
200 | NetCopyMem (&Gateway, &ConfigData->GatewayIp, sizeof (IP4_ADDR));\r | |
201 | NetCopyMem (&ServerIp, &ConfigData->ServerIp, sizeof (IP4_ADDR));\r | |
202 | \r | |
203 | Ip = NTOHL (Ip);\r | |
204 | Netmask = NTOHL (Netmask);\r | |
205 | Gateway = NTOHL (Gateway);\r | |
206 | ServerIp = NTOHL (ServerIp);\r | |
207 | \r | |
208 | if (!Ip4IsUnicast (ServerIp, 0)) {\r | |
209 | return EFI_INVALID_PARAMETER;\r | |
210 | }\r | |
211 | \r | |
212 | if (!ConfigData->UseDefaultSetting &&\r | |
213 | ((!IP4_IS_VALID_NETMASK (Netmask) || !Ip4IsUnicast (Ip, Netmask)))) {\r | |
214 | \r | |
215 | return EFI_INVALID_PARAMETER;\r | |
216 | }\r | |
217 | \r | |
218 | if ((Gateway != 0) &&\r | |
219 | (!IP4_NET_EQUAL (Gateway, Ip, Netmask) || !Ip4IsUnicast (Gateway, Netmask))) {\r | |
220 | \r | |
221 | return EFI_INVALID_PARAMETER;\r | |
222 | }\r | |
223 | \r | |
224 | OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);\r | |
225 | \r | |
226 | if ((Instance->State == MTFTP4_STATE_CONFIGED) && (Instance->Operation != 0)) {\r | |
227 | NET_RESTORE_TPL (OldTpl);\r | |
228 | return EFI_ACCESS_DENIED;\r | |
229 | }\r | |
230 | \r | |
231 | Instance->Config = *ConfigData;\r | |
232 | Instance->State = MTFTP4_STATE_CONFIGED;\r | |
233 | \r | |
234 | NET_RESTORE_TPL (OldTpl);\r | |
235 | }\r | |
236 | \r | |
237 | return EFI_SUCCESS;\r | |
238 | }\r | |
239 | \r | |
240 | \r | |
241 | /**\r | |
242 | Check packet for GetInfo. GetInfo is implemented with EfiMtftp4ReadFile.\r | |
243 | It use Mtftp4GetInfoCheckPacket to inspect the first packet from server,\r | |
244 | then abort the session.\r | |
245 | \r | |
246 | @param This The MTFTP4 protocol instance\r | |
247 | @param Token The user's token\r | |
248 | @param PacketLen The length of the packet\r | |
249 | @param Packet The received packet.\r | |
250 | \r | |
251 | @retval EFI_ABORTED Abort the ReadFile operation and return.\r | |
252 | \r | |
253 | **/\r | |
254 | STATIC\r | |
255 | EFI_STATUS\r | |
256 | Mtftp4GetInfoCheckPacket (\r | |
257 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
258 | IN EFI_MTFTP4_TOKEN *Token,\r | |
259 | IN UINT16 PacketLen,\r | |
260 | IN EFI_MTFTP4_PACKET *Packet\r | |
261 | )\r | |
262 | {\r | |
263 | MTFTP4_GETINFO_STATE *State;\r | |
264 | EFI_STATUS Status;\r | |
265 | UINT16 OpCode;\r | |
266 | \r | |
267 | State = (MTFTP4_GETINFO_STATE *) Token->Context;\r | |
268 | OpCode = NTOHS (Packet->OpCode);\r | |
269 | \r | |
270 | //\r | |
271 | // Set the GetInfo's return status according to the OpCode.\r | |
272 | //\r | |
273 | switch (OpCode) {\r | |
274 | case EFI_MTFTP4_OPCODE_ERROR:\r | |
275 | State->Status = EFI_TFTP_ERROR;\r | |
276 | break;\r | |
277 | \r | |
278 | case EFI_MTFTP4_OPCODE_OACK:\r | |
279 | State->Status = EFI_SUCCESS;\r | |
280 | break;\r | |
281 | \r | |
282 | default:\r | |
283 | State->Status = EFI_PROTOCOL_ERROR;\r | |
284 | }\r | |
285 | \r | |
286 | //\r | |
287 | // Allocate buffer then copy the packet over. Use gBS->AllocatePool\r | |
288 | // in case NetAllocatePool will implements something tricky.\r | |
289 | //\r | |
290 | Status = gBS->AllocatePool (EfiBootServicesData, PacketLen, (VOID **) State->Packet);\r | |
291 | \r | |
292 | if (EFI_ERROR (Status)) {\r | |
293 | State->Status = EFI_OUT_OF_RESOURCES;\r | |
294 | return EFI_ABORTED;\r | |
295 | }\r | |
296 | \r | |
297 | *(State->PacketLen) = PacketLen;\r | |
298 | NetCopyMem (*(State->Packet), Packet, PacketLen);\r | |
299 | \r | |
300 | return EFI_ABORTED;\r | |
301 | }\r | |
302 | \r | |
303 | \r | |
304 | /**\r | |
305 | Get the information of the download from the server. It is implemented\r | |
306 | with EfiMtftp4ReadFile: build a token, then pass it to EfiMtftp4ReadFile.\r | |
307 | In its check packet callback abort the opertions.\r | |
308 | \r | |
309 | @param This The MTFTP protocol instance\r | |
310 | @param OverrideData The MTFTP override data\r | |
311 | @param Filename The file to get information\r | |
312 | @param ModeStr The mode to use\r | |
313 | @param OptionCount The number of options to append\r | |
314 | @param OptionList The options to append\r | |
315 | @param PacketLength The variable to receive the packet length\r | |
316 | @param Packet The variable to receive the packet.\r | |
317 | \r | |
318 | @retval EFI_INVALID_PARAMETER The parameter is invaid\r | |
319 | @retval EFI_SUCCESS The information is got\r | |
320 | @retval Others Failed to get the information.\r | |
321 | \r | |
322 | **/\r | |
323 | STATIC\r | |
324 | EFI_STATUS\r | |
325 | EFIAPI\r | |
326 | EfiMtftp4GetInfo (\r | |
327 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
328 | IN EFI_MTFTP4_OVERRIDE_DATA *OverrideData, OPTIONAL\r | |
329 | IN UINT8 *Filename,\r | |
330 | IN UINT8 *ModeStr, OPTIONAL\r | |
331 | IN UINT8 OptionCount,\r | |
332 | IN EFI_MTFTP4_OPTION *OptionList,\r | |
333 | OUT UINT32 *PacketLength,\r | |
334 | OUT EFI_MTFTP4_PACKET **Packet OPTIONAL\r | |
335 | )\r | |
336 | {\r | |
337 | EFI_MTFTP4_TOKEN Token;\r | |
338 | MTFTP4_GETINFO_STATE State;\r | |
339 | EFI_STATUS Status;\r | |
340 | \r | |
341 | if ((This == NULL) || (Filename == NULL) || (PacketLength == NULL) ||\r | |
342 | (OptionCount && (OptionList == NULL))) {\r | |
343 | return EFI_INVALID_PARAMETER;\r | |
344 | }\r | |
345 | \r | |
346 | if (Packet != NULL) {\r | |
347 | *Packet = NULL;\r | |
348 | }\r | |
349 | \r | |
350 | *PacketLength = 0;\r | |
351 | State.Packet = Packet;\r | |
352 | State.PacketLen = PacketLength;\r | |
353 | State.Status = EFI_SUCCESS;\r | |
354 | \r | |
355 | //\r | |
356 | // Fill in the Token to issue an synchronous ReadFile operation\r | |
357 | //\r | |
358 | Token.Status = EFI_SUCCESS;\r | |
359 | Token.Event = NULL;\r | |
360 | Token.OverrideData = OverrideData;\r | |
361 | Token.Filename = Filename;\r | |
362 | Token.ModeStr = ModeStr;\r | |
363 | Token.OptionCount = OptionCount;\r | |
364 | Token.OptionList = OptionList;\r | |
365 | Token.BufferSize = 0;\r | |
366 | Token.Buffer = NULL;\r | |
367 | Token.Context = &State;\r | |
368 | Token.CheckPacket = Mtftp4GetInfoCheckPacket;\r | |
369 | Token.TimeoutCallback = NULL;\r | |
370 | Token.PacketNeeded = NULL;\r | |
371 | \r | |
372 | Status = EfiMtftp4ReadFile (This, &Token);\r | |
373 | \r | |
374 | if (EFI_ABORTED == Status) {\r | |
375 | return State.Status;\r | |
376 | }\r | |
377 | \r | |
378 | return Status;\r | |
379 | }\r | |
380 | \r | |
381 | \r | |
382 | /**\r | |
383 | Parse the packet into an array of options. The OptionList is allocated\r | |
384 | by this function, and caller should free it when used.\r | |
385 | \r | |
386 | @param This The MTFTP protocol instance\r | |
387 | @param PacketLen The length of the packet\r | |
388 | @param Packet The packet to parse\r | |
389 | @param OptionCount The size of the OptionList array allocated.\r | |
390 | @param OptionList The allocated option array to save the option\r | |
391 | addresses.\r | |
392 | \r | |
393 | @retval EFI_INVALID_PARAMETER The parameters are invalid.\r | |
394 | @retval EFI_NOT_FOUND There is no valid option in the packet\r | |
395 | @retval EFI_SUCCESS The packet is parsed.\r | |
396 | \r | |
397 | **/\r | |
398 | STATIC\r | |
399 | EFI_STATUS\r | |
400 | EFIAPI\r | |
401 | EfiMtftp4ParseOptions (\r | |
402 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
403 | IN UINT32 PacketLen,\r | |
404 | IN EFI_MTFTP4_PACKET *Packet,\r | |
405 | IN OUT UINT32 *OptionCount,\r | |
406 | OUT EFI_MTFTP4_OPTION **OptionList OPTIONAL\r | |
407 | )\r | |
408 | {\r | |
409 | EFI_STATUS Status;\r | |
410 | \r | |
411 | if ((This == NULL) || (PacketLen < MTFTP4_OPCODE_LEN) ||\r | |
412 | (Packet == NULL) || (OptionCount == NULL)) {\r | |
413 | \r | |
414 | return EFI_INVALID_PARAMETER;\r | |
415 | }\r | |
416 | \r | |
417 | Status = Mtftp4ExtractOptions (Packet, PacketLen, OptionCount, OptionList);\r | |
418 | \r | |
419 | if (EFI_ERROR (Status)) {\r | |
420 | return Status;\r | |
421 | }\r | |
422 | \r | |
423 | if (*OptionCount == 0) {\r | |
424 | return EFI_NOT_FOUND;\r | |
425 | }\r | |
426 | \r | |
427 | return EFI_SUCCESS;\r | |
428 | }\r | |
429 | \r | |
430 | \r | |
431 | /**\r | |
432 | Check whether the override data is valid. It will first\r | |
433 | validate whether the server is a valid unicast. If a gateway\r | |
434 | is provided in the Override, it also check that it is a\r | |
435 | unicast on the connected network.\r | |
436 | \r | |
437 | @param Instance The MTFTP instance\r | |
438 | @param Override The override data to validate.\r | |
439 | \r | |
440 | @return TRUE if the override data is valid, otherwise FALSE.\r | |
441 | \r | |
442 | **/\r | |
443 | STATIC\r | |
444 | BOOLEAN\r | |
445 | Mtftp4OverrideValid (\r | |
446 | IN MTFTP4_PROTOCOL *Instance,\r | |
447 | IN EFI_MTFTP4_OVERRIDE_DATA *Override\r | |
448 | )\r | |
449 | {\r | |
450 | EFI_MTFTP4_CONFIG_DATA *Config;\r | |
451 | IP4_ADDR Ip;\r | |
452 | IP4_ADDR Netmask;\r | |
453 | IP4_ADDR Gateway;\r | |
454 | \r | |
455 | NetCopyMem (&Ip, &Override->ServerIp, sizeof (IP4_ADDR));\r | |
456 | if (!Ip4IsUnicast (NTOHL (Ip), 0)) {\r | |
457 | return FALSE;\r | |
458 | }\r | |
459 | \r | |
460 | Config = &Instance->Config;\r | |
461 | \r | |
462 | NetCopyMem (&Gateway, &Override->GatewayIp, sizeof (IP4_ADDR));\r | |
463 | Gateway = NTOHL (Gateway);\r | |
464 | \r | |
465 | if (!Config->UseDefaultSetting && (Gateway != 0)) {\r | |
466 | NetCopyMem (&Netmask, &Config->SubnetMask, sizeof (IP4_ADDR));\r | |
467 | NetCopyMem (&Ip, &Config->StationIp, sizeof (IP4_ADDR));\r | |
468 | \r | |
469 | Netmask = NTOHL (Netmask);\r | |
470 | Ip = NTOHL (Ip);\r | |
471 | \r | |
472 | if (!Ip4IsUnicast (Gateway, Netmask) || !IP4_NET_EQUAL (Gateway, Ip, Netmask)) {\r | |
473 | return FALSE;\r | |
474 | }\r | |
475 | }\r | |
476 | \r | |
477 | return TRUE;\r | |
478 | }\r | |
479 | \r | |
480 | \r | |
481 | /**\r | |
482 | Poll the UDP to get the IP4 default address, which may be retrieved\r | |
483 | by DHCP. The default time out value is 5 seconds. If IP has retrieved\r | |
484 | the default address, the UDP is reconfigured.\r | |
485 | \r | |
486 | @param Instance The Mtftp instance\r | |
487 | @param UdpPort The UDP port to poll\r | |
488 | @param UdpCfgData The UDP configure data to reconfigure the UDP\r | |
489 | port.\r | |
490 | \r | |
491 | @return TRUE if the default address is retrieved and UDP is reconfigured.\r | |
492 | @return Otherwise FALSE.\r | |
493 | \r | |
494 | **/\r | |
495 | BOOLEAN\r | |
496 | Mtftp4GetMapping (\r | |
497 | IN MTFTP4_PROTOCOL *Instance,\r | |
498 | IN UDP_IO_PORT *UdpPort,\r | |
499 | IN EFI_UDP4_CONFIG_DATA *UdpCfgData\r | |
500 | )\r | |
501 | {\r | |
502 | MTFTP4_SERVICE *Service;\r | |
503 | EFI_IP4_MODE_DATA Ip4Mode;\r | |
504 | EFI_UDP4_PROTOCOL *Udp;\r | |
505 | EFI_STATUS Status;\r | |
506 | \r | |
507 | ASSERT (Instance->Config.UseDefaultSetting);\r | |
508 | \r | |
509 | Service = Instance->Service;\r | |
510 | Udp = UdpPort->Udp;\r | |
511 | \r | |
512 | Status = gBS->SetTimer (\r | |
513 | Service->TimerToGetMap,\r | |
514 | TimerRelative,\r | |
515 | MTFTP4_TIME_TO_GETMAP * TICKS_PER_SECOND\r | |
516 | );\r | |
517 | if (EFI_ERROR (Status)) {\r | |
518 | return FALSE;\r | |
519 | }\r | |
520 | \r | |
521 | while (!EFI_ERROR (gBS->CheckEvent (Service->TimerToGetMap))) {\r | |
522 | Udp->Poll (Udp);\r | |
523 | \r | |
524 | if (!EFI_ERROR (Udp->GetModeData (Udp, NULL, &Ip4Mode, NULL, NULL)) &&\r | |
525 | Ip4Mode.IsConfigured) {\r | |
526 | \r | |
527 | Udp->Configure (Udp, NULL);\r | |
528 | return (BOOLEAN) (Udp->Configure (Udp, UdpCfgData) == EFI_SUCCESS);\r | |
529 | }\r | |
530 | }\r | |
531 | \r | |
532 | return FALSE;\r | |
533 | }\r | |
534 | \r | |
535 | \r | |
536 | /**\r | |
537 | Configure the UDP port for unicast receiving.\r | |
538 | \r | |
539 | @param UdpIo The UDP port\r | |
540 | @param Instance The MTFTP session\r | |
541 | \r | |
542 | @retval EFI_SUCCESS The UDP port is successfully configured for the\r | |
543 | session to unicast receive.\r | |
544 | \r | |
545 | **/\r | |
546 | STATIC\r | |
547 | EFI_STATUS\r | |
548 | Mtftp4ConfigUnicastPort (\r | |
549 | IN UDP_IO_PORT *UdpIo,\r | |
550 | IN MTFTP4_PROTOCOL *Instance\r | |
551 | )\r | |
552 | {\r | |
553 | EFI_MTFTP4_CONFIG_DATA *Config;\r | |
554 | EFI_UDP4_CONFIG_DATA UdpConfig;\r | |
555 | EFI_STATUS Status;\r | |
556 | IP4_ADDR Ip;\r | |
557 | \r | |
558 | Config = &Instance->Config;\r | |
559 | \r | |
560 | UdpConfig.AcceptBroadcast = FALSE;\r | |
561 | UdpConfig.AcceptPromiscuous = FALSE;\r | |
562 | UdpConfig.AcceptAnyPort = FALSE;\r | |
563 | UdpConfig.AllowDuplicatePort = FALSE;\r | |
564 | UdpConfig.TypeOfService = 0;\r | |
565 | UdpConfig.TimeToLive = 64;\r | |
566 | UdpConfig.DoNotFragment = FALSE;\r | |
567 | UdpConfig.ReceiveTimeout = 0;\r | |
568 | UdpConfig.TransmitTimeout = 0;\r | |
569 | UdpConfig.UseDefaultAddress = Config->UseDefaultSetting;\r | |
570 | UdpConfig.StationAddress = Config->StationIp;\r | |
571 | UdpConfig.SubnetMask = Config->SubnetMask;\r | |
572 | UdpConfig.StationPort = 0;\r | |
573 | UdpConfig.RemotePort = 0;\r | |
574 | \r | |
575 | Ip = HTONL (Instance->ServerIp);\r | |
576 | NetCopyMem (&UdpConfig.RemoteAddress, &Ip, sizeof (EFI_IPv4_ADDRESS));\r | |
577 | \r | |
578 | Status = UdpIo->Udp->Configure (UdpIo->Udp, &UdpConfig);\r | |
579 | \r | |
580 | if ((Status == EFI_NO_MAPPING) && Mtftp4GetMapping (Instance, UdpIo, &UdpConfig)) {\r | |
581 | return EFI_SUCCESS;\r | |
582 | }\r | |
583 | \r | |
584 | return Status;\r | |
585 | }\r | |
586 | \r | |
587 | \r | |
588 | /**\r | |
589 | Start the MTFTP session to do the operation, such as read file,\r | |
590 | write file, and read directory.\r | |
591 | \r | |
592 | @param This The MTFTP session\r | |
593 | @param Token The token than encapsues the user's request.\r | |
594 | @param Operation The operation to do\r | |
595 | \r | |
596 | @retval EFI_INVALID_PARAMETER Some of the parameters are invalid.\r | |
597 | @retval EFI_NOT_STARTED The MTFTP session hasn't been configured.\r | |
598 | @retval EFI_ALREADY_STARTED There is pending operation for the session.\r | |
599 | @retval EFI_SUCCESS The operation is successfully started.\r | |
600 | \r | |
601 | **/\r | |
602 | STATIC\r | |
603 | EFI_STATUS\r | |
604 | Mtftp4Start (\r | |
605 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
606 | IN EFI_MTFTP4_TOKEN *Token,\r | |
607 | IN UINT16 Operation\r | |
608 | )\r | |
609 | {\r | |
610 | MTFTP4_PROTOCOL *Instance;\r | |
611 | EFI_MTFTP4_OVERRIDE_DATA *Override;\r | |
612 | EFI_MTFTP4_CONFIG_DATA *Config;\r | |
613 | EFI_TPL OldTpl;\r | |
614 | EFI_STATUS Status;\r | |
615 | \r | |
616 | //\r | |
617 | // Validate the parameters\r | |
618 | //\r | |
619 | if ((This == NULL) || (Token == NULL) || (Token->Filename == NULL) ||\r | |
620 | ((Token->OptionCount != 0) && (Token->OptionList == NULL))) {\r | |
621 | return EFI_INVALID_PARAMETER;\r | |
622 | }\r | |
623 | \r | |
624 | //\r | |
625 | // User must provide at least one method to collect the data for download.\r | |
626 | //\r | |
627 | if (((Operation == EFI_MTFTP4_OPCODE_RRQ) || (Operation == EFI_MTFTP4_OPCODE_DIR)) &&\r | |
628 | ((Token->Buffer == NULL) && (Token->CheckPacket == NULL))) {\r | |
629 | return EFI_INVALID_PARAMETER;\r | |
630 | }\r | |
631 | \r | |
632 | //\r | |
633 | // User must provide at least one method to provide the data for upload.\r | |
634 | //\r | |
635 | if ((Operation == EFI_MTFTP4_OPCODE_WRQ) &&\r | |
636 | ((Token->Buffer == NULL) && (Token->PacketNeeded == NULL))) {\r | |
637 | return EFI_INVALID_PARAMETER;\r | |
638 | }\r | |
639 | \r | |
640 | Instance = MTFTP4_PROTOCOL_FROM_THIS (This);\r | |
641 | \r | |
642 | Status = EFI_SUCCESS;\r | |
643 | OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);\r | |
644 | \r | |
645 | if (Instance->State != MTFTP4_STATE_CONFIGED) {\r | |
646 | Status = EFI_NOT_STARTED;\r | |
647 | }\r | |
648 | \r | |
649 | if (Instance->Operation != 0) {\r | |
650 | Status = EFI_ACCESS_DENIED;\r | |
651 | }\r | |
652 | \r | |
653 | if (EFI_ERROR (Status)) {\r | |
654 | NET_RESTORE_TPL (OldTpl);\r | |
655 | return Status;\r | |
656 | }\r | |
657 | \r | |
658 | //\r | |
659 | // Set the Operation now to prevent the application start other\r | |
660 | // operations.\r | |
661 | //\r | |
662 | Instance->Operation = Operation;\r | |
663 | Override = Token->OverrideData;\r | |
664 | \r | |
665 | if ((Override != NULL) && !Mtftp4OverrideValid (Instance, Override)) {\r | |
666 | Status = EFI_INVALID_PARAMETER;\r | |
667 | goto ON_ERROR;\r | |
668 | }\r | |
669 | \r | |
670 | if (Token->OptionCount != 0) {\r | |
671 | Status = Mtftp4ParseOption (\r | |
672 | Token->OptionList,\r | |
673 | Token->OptionCount,\r | |
674 | TRUE,\r | |
675 | &Instance->RequestOption\r | |
676 | );\r | |
677 | \r | |
678 | if (EFI_ERROR (Status)) {\r | |
679 | goto ON_ERROR;\r | |
680 | }\r | |
681 | }\r | |
682 | \r | |
683 | //\r | |
684 | // Set the operation parameters from the configuration or override data.\r | |
685 | //\r | |
686 | Config = &Instance->Config;\r | |
687 | Instance->Token = Token;\r | |
688 | Instance->BlkSize = MTFTP4_DEFAULT_BLKSIZE;\r | |
689 | \r | |
690 | NetCopyMem (&Instance->ServerIp, &Config->ServerIp, sizeof (IP4_ADDR));\r | |
691 | Instance->ServerIp = NTOHL (Instance->ServerIp);\r | |
692 | \r | |
693 | Instance->ListeningPort = Config->InitialServerPort;\r | |
694 | Instance->ConnectedPort = 0;\r | |
695 | \r | |
696 | NetCopyMem (&Instance->Gateway, &Config->GatewayIp, sizeof (IP4_ADDR));\r | |
697 | Instance->Gateway = NTOHL (Instance->Gateway);\r | |
698 | \r | |
699 | Instance->MaxRetry = Config->TryCount;\r | |
700 | Instance->Timeout = Config->TimeoutValue;\r | |
701 | Instance->Master = TRUE;\r | |
702 | \r | |
703 | if (Override != NULL) {\r | |
704 | NetCopyMem (&Instance->ServerIp, &Override->ServerIp, sizeof (IP4_ADDR));\r | |
705 | NetCopyMem (&Instance->Gateway, &Override->GatewayIp, sizeof (IP4_ADDR));\r | |
706 | \r | |
707 | Instance->ServerIp = NTOHL (Instance->ServerIp);\r | |
708 | Instance->Gateway = NTOHL (Instance->Gateway);\r | |
709 | \r | |
710 | Instance->ListeningPort = Override->ServerPort;\r | |
711 | Instance->MaxRetry = Override->TryCount;\r | |
712 | Instance->Timeout = Override->TimeoutValue;\r | |
713 | }\r | |
714 | \r | |
715 | if (Instance->ListeningPort == 0) {\r | |
716 | Instance->ListeningPort = MTFTP4_DEFAULT_SERVER_PORT;\r | |
717 | }\r | |
718 | \r | |
719 | if (Instance->MaxRetry == 0) {\r | |
720 | Instance->MaxRetry = MTFTP4_DEFAULT_RETRY;\r | |
721 | }\r | |
722 | \r | |
723 | if (Instance->Timeout == 0) {\r | |
724 | Instance->Timeout = MTFTP4_DEFAULT_TIMEOUT;\r | |
725 | }\r | |
726 | \r | |
727 | //\r | |
728 | // Config the unicast UDP child to send initial request\r | |
729 | //\r | |
730 | Status = Mtftp4ConfigUnicastPort (Instance->UnicastPort, Instance);\r | |
731 | \r | |
732 | if (EFI_ERROR (Status)) {\r | |
733 | goto ON_ERROR;\r | |
734 | }\r | |
735 | \r | |
736 | //\r | |
737 | // Build and send an initial requests\r | |
738 | //\r | |
739 | if (Operation == EFI_MTFTP4_OPCODE_WRQ) {\r | |
740 | Status = Mtftp4WrqStart (Instance, Operation);\r | |
741 | } else {\r | |
742 | Status = Mtftp4RrqStart (Instance, Operation);\r | |
743 | }\r | |
744 | \r | |
745 | NET_RESTORE_TPL (OldTpl);\r | |
746 | \r | |
747 | if (EFI_ERROR (Status)) {\r | |
748 | goto ON_ERROR;\r | |
749 | }\r | |
750 | //\r | |
751 | // Return immediately for asynchronous operation or poll the\r | |
752 | // instance for synchronous operation.\r | |
753 | //\r | |
754 | Token->Status = EFI_NOT_READY;\r | |
755 | \r | |
756 | if (Token->Event != NULL) {\r | |
757 | return EFI_SUCCESS;\r | |
758 | }\r | |
759 | \r | |
760 | while (Token->Status == EFI_NOT_READY) {\r | |
761 | This->Poll (This);\r | |
762 | }\r | |
763 | \r | |
764 | return Token->Status;\r | |
765 | \r | |
766 | ON_ERROR:\r | |
767 | Mtftp4CleanOperation (Instance, Status);\r | |
768 | NET_RESTORE_TPL (OldTpl);\r | |
769 | \r | |
770 | return Status;\r | |
771 | }\r | |
772 | \r | |
773 | \r | |
774 | /**\r | |
775 | Read a file from the server.\r | |
776 | \r | |
777 | @param This The Mtftp protocol instance.\r | |
778 | @param Token The user's request wrap token.\r | |
779 | \r | |
780 | @retval EFI_SUCCESS The ReadFile has finished, the file has been\r | |
781 | downloaded if it is synchronous operation,\r | |
782 | otherwise it has been initated.\r | |
783 | @retval Others Some error happened.\r | |
784 | \r | |
785 | **/\r | |
786 | STATIC\r | |
787 | EFI_STATUS\r | |
788 | EFIAPI\r | |
789 | EfiMtftp4ReadFile (\r | |
790 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
791 | IN EFI_MTFTP4_TOKEN *Token\r | |
792 | )\r | |
793 | {\r | |
794 | return Mtftp4Start (This, Token, EFI_MTFTP4_OPCODE_RRQ);\r | |
795 | }\r | |
796 | \r | |
797 | \r | |
798 | /**\r | |
799 | Upload a file to the server.\r | |
800 | \r | |
801 | @param This The MTFTP protocol session\r | |
802 | @param Token The user's request wrap token.\r | |
803 | \r | |
804 | @retval EFI_SUCCESS The WriteFile has finished, the file has been\r | |
805 | uploaded if it is synchronous operation, otherwise\r | |
806 | it has been initated.\r | |
807 | @retval Others Some error happened.\r | |
808 | \r | |
809 | **/\r | |
810 | STATIC\r | |
811 | EFI_STATUS\r | |
812 | EFIAPI\r | |
813 | EfiMtftp4WriteFile (\r | |
814 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
815 | IN EFI_MTFTP4_TOKEN *Token\r | |
816 | )\r | |
817 | {\r | |
818 | return Mtftp4Start (This, Token, EFI_MTFTP4_OPCODE_WRQ);\r | |
819 | }\r | |
820 | \r | |
821 | \r | |
822 | /**\r | |
823 | Read a directory from the server. The only difference\r | |
824 | between ReadFile and ReadDirectory is the opcode used.\r | |
825 | \r | |
826 | @param This The MTFTP protocol session\r | |
827 | @param Token The user's request wrap token.\r | |
828 | \r | |
829 | @retval EFI_SUCCESS The ReadDirectory has finished, the directory has\r | |
830 | been downloaded as a file if it is synchronous\r | |
831 | operation, otherwise it has been initated.\r | |
832 | @retval Others Some error happened.\r | |
833 | \r | |
834 | **/\r | |
835 | STATIC\r | |
836 | EFI_STATUS\r | |
837 | EFIAPI\r | |
838 | EfiMtftp4ReadDirectory (\r | |
839 | IN EFI_MTFTP4_PROTOCOL *This,\r | |
840 | IN EFI_MTFTP4_TOKEN *Token\r | |
841 | )\r | |
842 | {\r | |
843 | return Mtftp4Start (This, Token, EFI_MTFTP4_OPCODE_DIR);\r | |
844 | }\r | |
845 | \r | |
846 | \r | |
847 | /**\r | |
848 | Poll the network stack to accelerate the packet process.\r | |
849 | \r | |
850 | @param This The MTFTP protocol instance.\r | |
851 | \r | |
852 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
853 | @retval EFI_NOT_STARTED The MTFTP session hasn't been configured.\r | |
854 | @retval EFI_DEVICE_ERROR The MTFTP session has been destoried.\r | |
855 | \r | |
856 | **/\r | |
857 | STATIC\r | |
858 | EFI_STATUS\r | |
859 | EFIAPI\r | |
860 | EfiMtftp4Poll (\r | |
861 | IN EFI_MTFTP4_PROTOCOL *This\r | |
862 | )\r | |
863 | {\r | |
864 | MTFTP4_PROTOCOL *Instance;\r | |
865 | EFI_UDP4_PROTOCOL *Udp;\r | |
866 | \r | |
867 | if (This == NULL) {\r | |
868 | return EFI_INVALID_PARAMETER;\r | |
869 | }\r | |
870 | \r | |
871 | Instance = MTFTP4_PROTOCOL_FROM_THIS (This);\r | |
872 | \r | |
873 | if (Instance->State == MTFTP4_STATE_UNCONFIGED) {\r | |
874 | return EFI_NOT_STARTED;\r | |
875 | } else if (Instance->State == MTFTP4_STATE_DESTORY) {\r | |
876 | return EFI_DEVICE_ERROR;\r | |
877 | }\r | |
878 | \r | |
879 | Udp = Instance->UnicastPort->Udp;\r | |
880 | return Udp->Poll (Udp);\r | |
881 | }\r | |
882 | \r | |
883 | EFI_MTFTP4_PROTOCOL gMtftp4ProtocolTemplate = {\r | |
884 | EfiMtftp4GetModeData,\r | |
885 | EfiMtftp4Configure,\r | |
886 | EfiMtftp4GetInfo,\r | |
887 | EfiMtftp4ParseOptions,\r | |
888 | EfiMtftp4ReadFile,\r | |
889 | EfiMtftp4WriteFile,\r | |
890 | EfiMtftp4ReadDirectory,\r | |
891 | EfiMtftp4Poll\r | |
892 | };\r |