]>
Commit | Line | Data |
---|---|---|
99c048ef | 1 | /** @file\r |
2 | Functions implementation related with DHCPv4/v6 for DNS driver.\r | |
3 | \r | |
4 | Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r | |
d36e65a0 JW |
5 | 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 | |
99c048ef | 12 | \r |
13 | **/\r | |
14 | \r | |
15 | #include "DnsImpl.h"\r | |
16 | \r | |
eb213f2f JW |
17 | /**\r |
18 | The callback function for the timer event used to get map.\r | |
19 | \r | |
20 | @param[in] Event The event this function is registered to.\r | |
21 | @param[in] Context The context registered to the event.\r | |
22 | **/\r | |
23 | VOID\r | |
24 | EFIAPI\r | |
25 | TimeoutToGetMap (\r | |
26 | IN EFI_EVENT Event,\r | |
27 | IN VOID *Context\r | |
28 | )\r | |
29 | {\r | |
30 | *((BOOLEAN *) Context) = TRUE;\r | |
31 | return ;\r | |
32 | }\r | |
33 | \r | |
34 | /**\r | |
35 | Create an IP child, use it to start the auto configuration, then destroy it.\r | |
36 | \r | |
37 | @param[in] Controller The controller which has the service installed.\r | |
38 | @param[in] Image The image handle used to open service.\r | |
39 | \r | |
40 | @retval EFI_SUCCESS The configuration is done.\r | |
41 | @retval Others Other errors as indicated.\r | |
42 | **/\r | |
43 | EFI_STATUS\r | |
44 | EFIAPI\r | |
45 | DnsStartIp4(\r | |
46 | IN EFI_HANDLE Controller,\r | |
47 | IN EFI_HANDLE Image\r | |
48 | )\r | |
49 | {\r | |
50 | EFI_IP4_PROTOCOL *Ip4;\r | |
51 | EFI_HANDLE Ip4Handle;\r | |
52 | EFI_EVENT TimerToGetMap;\r | |
53 | EFI_IP4_CONFIG_DATA Ip4ConfigData;\r | |
54 | EFI_IP4_MODE_DATA Ip4Mode;\r | |
55 | EFI_STATUS Status;\r | |
56 | \r | |
57 | BOOLEAN Timeout;\r | |
58 | \r | |
59 | //\r | |
60 | // Get the Ip4ServiceBinding Protocol\r | |
61 | //\r | |
62 | Ip4Handle = NULL;\r | |
63 | Ip4 = NULL;\r | |
64 | TimerToGetMap = NULL;\r | |
65 | \r | |
66 | Timeout = FALSE;\r | |
67 | \r | |
68 | Status = NetLibCreateServiceChild (\r | |
69 | Controller,\r | |
70 | Image,\r | |
71 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
72 | &Ip4Handle\r | |
73 | );\r | |
74 | \r | |
75 | if (EFI_ERROR (Status)) {\r | |
76 | return Status;\r | |
77 | }\r | |
78 | \r | |
79 | Status = gBS->OpenProtocol (\r | |
80 | Ip4Handle,\r | |
81 | &gEfiIp4ProtocolGuid,\r | |
82 | (VOID **) &Ip4,\r | |
83 | Controller,\r | |
84 | Image,\r | |
85 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
86 | );\r | |
87 | \r | |
88 | if (EFI_ERROR (Status)) {\r | |
89 | goto ON_EXIT;\r | |
90 | }\r | |
91 | \r | |
92 | Ip4ConfigData.DefaultProtocol = EFI_IP_PROTO_ICMP;\r | |
93 | Ip4ConfigData.AcceptAnyProtocol = FALSE;\r | |
94 | Ip4ConfigData.AcceptIcmpErrors = FALSE;\r | |
95 | Ip4ConfigData.AcceptBroadcast = FALSE;\r | |
96 | Ip4ConfigData.AcceptPromiscuous = FALSE;\r | |
97 | Ip4ConfigData.UseDefaultAddress = TRUE;\r | |
98 | ZeroMem (&Ip4ConfigData.StationAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
99 | ZeroMem (&Ip4ConfigData.SubnetMask, sizeof (EFI_IPv4_ADDRESS));\r | |
100 | Ip4ConfigData.TypeOfService = 0;\r | |
101 | Ip4ConfigData.TimeToLive = 1;\r | |
102 | Ip4ConfigData.DoNotFragment = FALSE;\r | |
103 | Ip4ConfigData.RawData = FALSE;\r | |
104 | Ip4ConfigData.ReceiveTimeout = 0;\r | |
105 | Ip4ConfigData.TransmitTimeout = 0;\r | |
106 | \r | |
107 | Status = Ip4->Configure (Ip4, &Ip4ConfigData);\r | |
108 | \r | |
109 | if (Status == EFI_NO_MAPPING) {\r | |
110 | Status = gBS->CreateEvent (\r | |
111 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
112 | TPL_CALLBACK,\r | |
113 | TimeoutToGetMap,\r | |
114 | &Timeout,\r | |
115 | &TimerToGetMap\r | |
116 | );\r | |
117 | \r | |
118 | if (EFI_ERROR (Status)) {\r | |
119 | goto ON_EXIT;\r | |
120 | }\r | |
121 | \r | |
122 | Status = gBS->SetTimer (\r | |
123 | TimerToGetMap,\r | |
124 | TimerRelative,\r | |
125 | MultU64x32 (10000000, 5)\r | |
126 | );\r | |
127 | \r | |
128 | if (EFI_ERROR (Status)) {\r | |
129 | goto ON_EXIT;\r | |
130 | }\r | |
131 | \r | |
132 | while (!Timeout) {\r | |
133 | Ip4->Poll (Ip4);\r | |
134 | \r | |
135 | if (!EFI_ERROR (Ip4->GetModeData (Ip4, &Ip4Mode, NULL, NULL)) && \r | |
136 | Ip4Mode.IsConfigured) { \r | |
137 | break;\r | |
138 | }\r | |
139 | }\r | |
140 | \r | |
141 | if (Timeout) {\r | |
142 | Status = EFI_DEVICE_ERROR;\r | |
143 | }\r | |
144 | }\r | |
145 | \r | |
146 | ON_EXIT: \r | |
147 | \r | |
148 | if (TimerToGetMap != NULL) {\r | |
149 | gBS->SetTimer (TimerToGetMap, TimerCancel, 0);\r | |
150 | gBS->CloseEvent (TimerToGetMap);\r | |
151 | }\r | |
152 | \r | |
153 | NetLibDestroyServiceChild (\r | |
154 | Controller,\r | |
155 | Image,\r | |
156 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
157 | Ip4Handle\r | |
158 | );\r | |
159 | \r | |
160 | return Status;\r | |
161 | }\r | |
162 | \r | |
99c048ef | 163 | /**\r |
164 | This function initialize the DHCP4 message instance.\r | |
165 | \r | |
166 | This function will pad each item of dhcp4 message packet.\r | |
167 | \r | |
168 | @param Seed Pointer to the message instance of the DHCP4 packet.\r | |
169 | @param InterfaceInfo Pointer to the EFI_IP4_CONFIG2_INTERFACE_INFO instance.\r | |
170 | \r | |
171 | **/\r | |
172 | VOID\r | |
173 | DnsInitSeedPacket (\r | |
174 | OUT EFI_DHCP4_PACKET *Seed,\r | |
175 | IN EFI_IP4_CONFIG2_INTERFACE_INFO *InterfaceInfo\r | |
176 | )\r | |
177 | {\r | |
178 | EFI_DHCP4_HEADER *Header;\r | |
179 | \r | |
180 | //\r | |
181 | // Get IfType and HwAddressSize from SNP mode data.\r | |
182 | //\r | |
183 | Seed->Size = sizeof (EFI_DHCP4_PACKET);\r | |
184 | Seed->Length = sizeof (Seed->Dhcp4);\r | |
185 | Header = &Seed->Dhcp4.Header;\r | |
186 | ZeroMem (Header, sizeof (EFI_DHCP4_HEADER));\r | |
187 | Header->OpCode = DHCP4_OPCODE_REQUEST;\r | |
188 | Header->HwType = InterfaceInfo->IfType;\r | |
189 | Header->HwAddrLen = (UINT8) InterfaceInfo->HwAddressSize;\r | |
190 | CopyMem (Header->ClientHwAddr, &(InterfaceInfo->HwAddress), Header->HwAddrLen);\r | |
191 | \r | |
192 | Seed->Dhcp4.Magik = DHCP4_MAGIC;\r | |
193 | Seed->Dhcp4.Option[0] = DHCP4_TAG_EOP;\r | |
194 | }\r | |
195 | \r | |
196 | /**\r | |
197 | The common notify function. \r | |
198 | \r | |
199 | @param[in] Event The event signaled.\r | |
200 | @param[in] Context The context.\r | |
201 | \r | |
202 | **/\r | |
203 | VOID\r | |
204 | EFIAPI\r | |
205 | DhcpCommonNotify (\r | |
206 | IN EFI_EVENT Event,\r | |
207 | IN VOID *Context\r | |
208 | )\r | |
209 | {\r | |
210 | if ((Event == NULL) || (Context == NULL)) {\r | |
211 | return ;\r | |
212 | }\r | |
213 | \r | |
214 | *((BOOLEAN *) Context) = TRUE;\r | |
215 | }\r | |
216 | \r | |
217 | /**\r | |
218 | Parse the ACK to get required information\r | |
219 | \r | |
220 | @param Dhcp4 The DHCP4 protocol.\r | |
221 | @param Packet Packet waiting for parse.\r | |
222 | @param DnsServerInfor The required Dns4 server information.\r | |
223 | \r | |
224 | @retval EFI_SUCCESS The DNS information is got from the DHCP ACK.\r | |
225 | @retval EFI_NO_MAPPING DHCP failed to acquire address and other information.\r | |
226 | @retval EFI_DEVICE_ERROR Other errors as indicated.\r | |
227 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
228 | \r | |
229 | **/\r | |
230 | EFI_STATUS\r | |
231 | ParseDhcp4Ack (\r | |
232 | IN EFI_DHCP4_PROTOCOL *Dhcp4,\r | |
233 | IN EFI_DHCP4_PACKET *Packet,\r | |
234 | IN DNS4_SERVER_INFOR *DnsServerInfor\r | |
235 | )\r | |
236 | {\r | |
237 | EFI_STATUS Status;\r | |
238 | UINT32 OptionCount;\r | |
239 | EFI_DHCP4_PACKET_OPTION **OptionList;\r | |
240 | UINT32 ServerCount;\r | |
241 | EFI_IPv4_ADDRESS *ServerList;\r | |
242 | UINT32 Index;\r | |
243 | UINT32 Count;\r | |
244 | \r | |
245 | ServerCount = 0;\r | |
246 | ServerList = NULL;\r | |
247 | \r | |
248 | OptionCount = 0;\r | |
249 | OptionList = NULL;\r | |
250 | \r | |
251 | Status = Dhcp4->Parse (Dhcp4, Packet, &OptionCount, OptionList);\r | |
252 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
253 | return EFI_DEVICE_ERROR;\r | |
254 | }\r | |
255 | \r | |
256 | OptionList = AllocatePool (OptionCount * sizeof (EFI_DHCP4_PACKET_OPTION *));\r | |
257 | if (OptionList == NULL) {\r | |
258 | return EFI_OUT_OF_RESOURCES;\r | |
259 | }\r | |
260 | \r | |
261 | Status = Dhcp4->Parse (Dhcp4, Packet, &OptionCount, OptionList);\r | |
262 | if (EFI_ERROR (Status)) {\r | |
263 | gBS->FreePool (OptionList);\r | |
264 | return EFI_DEVICE_ERROR;\r | |
265 | }\r | |
266 | \r | |
267 | Status = EFI_NOT_FOUND;\r | |
268 | \r | |
269 | for (Index = 0; Index < OptionCount; Index++) {\r | |
270 | //\r | |
271 | // Get DNS server addresses\r | |
272 | //\r | |
273 | if (OptionList[Index]->OpCode == DHCP4_TAG_DNS_SERVER) {\r | |
274 | \r | |
275 | if (((OptionList[Index]->Length & 0x3) != 0) || (OptionList[Index]->Length == 0)) {\r | |
276 | Status = EFI_DEVICE_ERROR;\r | |
277 | break;\r | |
278 | }\r | |
279 | \r | |
280 | ServerCount = OptionList[Index]->Length/4;\r | |
281 | ServerList = AllocatePool (ServerCount * sizeof (EFI_IPv4_ADDRESS));\r | |
282 | if (ServerList == NULL) {\r | |
283 | return EFI_OUT_OF_RESOURCES;\r | |
284 | }\r | |
285 | \r | |
286 | for(Count=0; Count < ServerCount; Count++){\r | |
287 | CopyMem (ServerList + Count, &OptionList[Index]->Data[4 * Count], sizeof (EFI_IPv4_ADDRESS));\r | |
288 | }\r | |
289 | \r | |
290 | *(DnsServerInfor->ServerCount) = ServerCount;\r | |
291 | DnsServerInfor->ServerList = ServerList;\r | |
292 | \r | |
293 | Status = EFI_SUCCESS;\r | |
294 | }\r | |
295 | }\r | |
296 | \r | |
297 | gBS->FreePool (OptionList);\r | |
298 | \r | |
299 | return Status;\r | |
300 | }\r | |
301 | \r | |
302 | /**\r | |
303 | EFI_DHCP6_INFO_CALLBACK is provided by the consumer of the EFI DHCPv6 Protocol \r | |
304 | instance to intercept events that occurs in the DHCPv6 Information Request\r | |
305 | exchange process.\r | |
306 | \r | |
307 | @param This Pointer to the EFI_DHCP6_PROTOCOL instance that \r | |
308 | is used to configure this callback function.\r | |
309 | @param Context Pointer to the context that is initialized in\r | |
310 | the EFI_DHCP6_PROTOCOL.InfoRequest().\r | |
311 | @param Packet Pointer to Reply packet that has been received.\r | |
312 | The EFI DHCPv6 Protocol instance is responsible\r | |
313 | for freeing the buffer.\r | |
314 | \r | |
315 | @retval EFI_SUCCESS The DNS information is got from the DHCP ACK.\r | |
316 | @retval EFI_DEVICE_ERROR Other errors as indicated.\r | |
317 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
318 | **/\r | |
319 | EFI_STATUS\r | |
320 | EFIAPI\r | |
321 | ParseDhcp6Ack (\r | |
322 | IN EFI_DHCP6_PROTOCOL *This,\r | |
323 | IN VOID *Context,\r | |
324 | IN EFI_DHCP6_PACKET *Packet\r | |
325 | )\r | |
326 | {\r | |
327 | EFI_STATUS Status;\r | |
328 | UINT32 OptionCount;\r | |
329 | EFI_DHCP6_PACKET_OPTION **OptionList;\r | |
330 | DNS6_SERVER_INFOR *DnsServerInfor;\r | |
331 | UINT32 ServerCount;\r | |
332 | EFI_IPv6_ADDRESS *ServerList;\r | |
333 | UINT32 Index;\r | |
334 | UINT32 Count;\r | |
335 | \r | |
336 | OptionCount = 0;\r | |
337 | ServerCount = 0;\r | |
338 | ServerList = NULL;\r | |
339 | \r | |
340 | Status = This->Parse (This, Packet, &OptionCount, NULL);\r | |
341 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
342 | return EFI_DEVICE_ERROR;\r | |
343 | }\r | |
344 | \r | |
345 | OptionList = AllocateZeroPool (OptionCount * sizeof (EFI_DHCP6_PACKET_OPTION *));\r | |
346 | if (OptionList == NULL) {\r | |
347 | return EFI_OUT_OF_RESOURCES;\r | |
348 | }\r | |
349 | \r | |
350 | Status = This->Parse (This, Packet, &OptionCount, OptionList);\r | |
351 | if (EFI_ERROR (Status)) {\r | |
352 | gBS->FreePool (OptionList);\r | |
353 | return EFI_DEVICE_ERROR;\r | |
354 | }\r | |
355 | \r | |
356 | DnsServerInfor = (DNS6_SERVER_INFOR *) Context;\r | |
357 | \r | |
358 | for (Index = 0; Index < OptionCount; Index++) {\r | |
359 | OptionList[Index]->OpCode = NTOHS (OptionList[Index]->OpCode);\r | |
360 | OptionList[Index]->OpLen = NTOHS (OptionList[Index]->OpLen);\r | |
361 | \r | |
362 | //\r | |
363 | // Get DNS server addresses from this reply packet.\r | |
364 | //\r | |
365 | if (OptionList[Index]->OpCode == DHCP6_TAG_DNS_SERVER) {\r | |
366 | \r | |
367 | if (((OptionList[Index]->OpLen & 0xf) != 0) || (OptionList[Index]->OpLen == 0)) {\r | |
368 | Status = EFI_DEVICE_ERROR;\r | |
369 | gBS->FreePool (OptionList);\r | |
370 | return Status;\r | |
371 | }\r | |
372 | \r | |
373 | ServerCount = OptionList[Index]->OpLen/16;\r | |
374 | ServerList = AllocatePool (ServerCount * sizeof (EFI_IPv6_ADDRESS));\r | |
375 | if (ServerList == NULL) {\r | |
376 | gBS->FreePool (OptionList);\r | |
377 | return EFI_OUT_OF_RESOURCES;\r | |
378 | }\r | |
379 | \r | |
380 | for(Count=0; Count < ServerCount; Count++){\r | |
381 | CopyMem (ServerList + Count, &OptionList[Index]->Data[16 * Count], sizeof (EFI_IPv6_ADDRESS));\r | |
382 | }\r | |
383 | \r | |
384 | *(DnsServerInfor->ServerCount) = ServerCount;\r | |
385 | DnsServerInfor->ServerList = ServerList;\r | |
386 | }\r | |
387 | }\r | |
388 | \r | |
389 | gBS->FreePool (OptionList);\r | |
390 | \r | |
391 | return Status;\r | |
392 | \r | |
393 | }\r | |
394 | \r | |
395 | /**\r | |
396 | Parse the DHCP ACK to get Dns4 server information.\r | |
397 | \r | |
398 | @param Instance The DNS instance.\r | |
399 | @param DnsServerCount Retrieved Dns4 server Ip count.\r | |
400 | @param DnsServerList Retrieved Dns4 server Ip list.\r | |
401 | \r | |
402 | @retval EFI_SUCCESS The Dns4 information is got from the DHCP ACK.\r | |
403 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
404 | @retval EFI_NO_MEDIA There was a media error.\r | |
405 | @retval Others Other errors as indicated.\r | |
406 | \r | |
407 | **/\r | |
408 | EFI_STATUS\r | |
409 | GetDns4ServerFromDhcp4 (\r | |
410 | IN DNS_INSTANCE *Instance,\r | |
411 | OUT UINT32 *DnsServerCount,\r | |
412 | OUT EFI_IPv4_ADDRESS **DnsServerList\r | |
413 | )\r | |
414 | {\r | |
415 | EFI_STATUS Status;\r | |
416 | EFI_HANDLE Image;\r | |
417 | EFI_HANDLE Controller;\r | |
418 | BOOLEAN MediaPresent;\r | |
419 | EFI_HANDLE MnpChildHandle; \r | |
420 | EFI_MANAGED_NETWORK_PROTOCOL *Mnp;\r | |
421 | EFI_MANAGED_NETWORK_CONFIG_DATA MnpConfigData;\r | |
422 | EFI_HANDLE Dhcp4Handle; \r | |
423 | EFI_DHCP4_PROTOCOL *Dhcp4;\r | |
424 | EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;\r | |
425 | UINTN DataSize;\r | |
426 | VOID *Data;\r | |
427 | EFI_IP4_CONFIG2_INTERFACE_INFO *InterfaceInfo;\r | |
428 | EFI_DHCP4_PACKET SeedPacket;\r | |
429 | EFI_DHCP4_PACKET_OPTION *ParaList[2];\r | |
430 | DNS4_SERVER_INFOR DnsServerInfor;\r | |
431 | \r | |
432 | EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN Token;\r | |
433 | BOOLEAN IsDone;\r | |
434 | UINTN Index;\r | |
435 | \r | |
436 | Image = Instance->Service->ImageHandle;\r | |
437 | Controller = Instance->Service->ControllerHandle;\r | |
438 | \r | |
439 | MnpChildHandle = NULL;\r | |
440 | Mnp = NULL;\r | |
441 | \r | |
442 | Dhcp4Handle = NULL;\r | |
443 | Dhcp4 = NULL;\r | |
444 | \r | |
445 | Ip4Config2 = NULL;\r | |
446 | DataSize = 0;\r | |
447 | Data = NULL;\r | |
448 | InterfaceInfo = NULL;\r | |
449 | \r | |
3fd7bd08 | 450 | ZeroMem ((UINT8 *) ParaList, sizeof (ParaList));\r |
451 | \r | |
99c048ef | 452 | ZeroMem (&MnpConfigData, sizeof (EFI_MANAGED_NETWORK_CONFIG_DATA));\r |
453 | \r | |
454 | ZeroMem (&DnsServerInfor, sizeof (DNS4_SERVER_INFOR));\r | |
455 | \r | |
456 | ZeroMem (&Token, sizeof (EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN));\r | |
457 | \r | |
458 | DnsServerInfor.ServerCount = DnsServerCount;\r | |
459 | \r | |
460 | IsDone = FALSE;\r | |
461 | \r | |
462 | //\r | |
463 | // Check media.\r | |
464 | //\r | |
465 | MediaPresent = TRUE;\r | |
466 | NetLibDetectMedia (Controller, &MediaPresent);\r | |
467 | if (!MediaPresent) {\r | |
468 | return EFI_NO_MEDIA;\r | |
469 | }\r | |
470 | \r | |
eb213f2f JW |
471 | //\r |
472 | // Start the auto configuration if UseDefaultSetting.\r | |
473 | //\r | |
474 | if (Instance->Dns4CfgData.UseDefaultSetting) {\r | |
475 | Status = DnsStartIp4 (Controller, Image);\r | |
476 | if (EFI_ERROR(Status)) {\r | |
477 | return Status;\r | |
478 | }\r | |
479 | }\r | |
480 | \r | |
99c048ef | 481 | //\r |
482 | // Create a Mnp child instance, get the protocol and config for it.\r | |
483 | //\r | |
484 | Status = NetLibCreateServiceChild (\r | |
485 | Controller,\r | |
486 | Image,\r | |
487 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
488 | &MnpChildHandle\r | |
489 | );\r | |
490 | if (EFI_ERROR (Status)) {\r | |
491 | return Status;\r | |
492 | }\r | |
493 | \r | |
494 | Status = gBS->OpenProtocol (\r | |
495 | MnpChildHandle,\r | |
496 | &gEfiManagedNetworkProtocolGuid,\r | |
497 | (VOID **) &Mnp,\r | |
498 | Image,\r | |
499 | Controller,\r | |
500 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
501 | );\r | |
502 | if (EFI_ERROR (Status)) {\r | |
503 | goto ON_EXIT;\r | |
504 | }\r | |
505 | \r | |
506 | MnpConfigData.ReceivedQueueTimeoutValue = 0;\r | |
507 | MnpConfigData.TransmitQueueTimeoutValue = 0;\r | |
508 | MnpConfigData.ProtocolTypeFilter = IP4_ETHER_PROTO;\r | |
509 | MnpConfigData.EnableUnicastReceive = TRUE;\r | |
510 | MnpConfigData.EnableMulticastReceive = TRUE;\r | |
511 | MnpConfigData.EnableBroadcastReceive = TRUE;\r | |
512 | MnpConfigData.EnablePromiscuousReceive = FALSE;\r | |
513 | MnpConfigData.FlushQueuesOnReset = TRUE;\r | |
514 | MnpConfigData.EnableReceiveTimestamps = FALSE;\r | |
515 | MnpConfigData.DisableBackgroundPolling = FALSE;\r | |
516 | \r | |
517 | Status = Mnp->Configure(Mnp, &MnpConfigData);\r | |
518 | if (EFI_ERROR (Status)) {\r | |
519 | goto ON_EXIT;\r | |
520 | }\r | |
521 | \r | |
522 | //\r | |
523 | // Create a DHCP4 child instance and get the protocol.\r | |
524 | //\r | |
525 | Status = NetLibCreateServiceChild (\r | |
526 | Controller,\r | |
527 | Image,\r | |
528 | &gEfiDhcp4ServiceBindingProtocolGuid,\r | |
529 | &Dhcp4Handle\r | |
530 | );\r | |
531 | if (EFI_ERROR (Status)) {\r | |
532 | goto ON_EXIT;\r | |
533 | }\r | |
534 | \r | |
535 | Status = gBS->OpenProtocol (\r | |
536 | Dhcp4Handle,\r | |
537 | &gEfiDhcp4ProtocolGuid,\r | |
538 | (VOID **) &Dhcp4,\r | |
539 | Image,\r | |
540 | Controller,\r | |
541 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
542 | );\r | |
543 | if (EFI_ERROR (Status)) {\r | |
544 | goto ON_EXIT;\r | |
545 | }\r | |
546 | \r | |
547 | //\r | |
548 | // Get Ip4Config2 instance info.\r | |
549 | //\r | |
550 | Status = gBS->HandleProtocol (Controller, &gEfiIp4Config2ProtocolGuid, (VOID **) &Ip4Config2);\r | |
551 | if (EFI_ERROR (Status)) {\r | |
552 | goto ON_EXIT;\r | |
553 | }\r | |
554 | \r | |
555 | Status = Ip4Config2->GetData (Ip4Config2, Ip4Config2DataTypeInterfaceInfo, &DataSize, Data);\r | |
556 | if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {\r | |
557 | goto ON_EXIT;\r | |
558 | }\r | |
559 | \r | |
560 | Data = AllocateZeroPool (DataSize);\r | |
561 | if (Data == NULL) {\r | |
562 | Status = EFI_OUT_OF_RESOURCES;\r | |
563 | goto ON_EXIT;\r | |
564 | }\r | |
565 | \r | |
566 | Status = Ip4Config2->GetData (Ip4Config2, Ip4Config2DataTypeInterfaceInfo, &DataSize, Data);\r | |
567 | if (EFI_ERROR (Status)) {\r | |
568 | goto ON_EXIT;\r | |
569 | }\r | |
570 | \r | |
571 | InterfaceInfo = (EFI_IP4_CONFIG2_INTERFACE_INFO *)Data;\r | |
572 | \r | |
573 | //\r | |
574 | // Build required Token.\r | |
575 | //\r | |
576 | Status = gBS->CreateEvent (\r | |
577 | EVT_NOTIFY_SIGNAL,\r | |
578 | TPL_NOTIFY,\r | |
579 | DhcpCommonNotify,\r | |
580 | &IsDone,\r | |
581 | &Token.CompletionEvent\r | |
582 | );\r | |
583 | if (EFI_ERROR (Status)) {\r | |
584 | goto ON_EXIT;\r | |
585 | }\r | |
586 | \r | |
587 | SetMem (&Token.RemoteAddress, sizeof (EFI_IPv4_ADDRESS), 0xff);\r | |
588 | \r | |
589 | Token.RemotePort = 67;\r | |
590 | \r | |
591 | Token.ListenPointCount = 1;\r | |
592 | \r | |
593 | Token.ListenPoints = AllocateZeroPool (Token.ListenPointCount * sizeof (EFI_DHCP4_LISTEN_POINT));\r | |
594 | if (Token.ListenPoints == NULL) {\r | |
595 | Status = EFI_OUT_OF_RESOURCES;\r | |
596 | goto ON_EXIT;\r | |
597 | }\r | |
598 | \r | |
599 | if (Instance->Dns4CfgData.UseDefaultSetting) {\r | |
600 | CopyMem (&(Token.ListenPoints[0].ListenAddress), &(InterfaceInfo->StationAddress), sizeof (EFI_IPv4_ADDRESS));\r | |
601 | CopyMem (&(Token.ListenPoints[0].SubnetMask), &(InterfaceInfo->SubnetMask), sizeof (EFI_IPv4_ADDRESS));\r | |
602 | } else {\r | |
603 | CopyMem (&(Token.ListenPoints[0].ListenAddress), &(Instance->Dns4CfgData.StationIp), sizeof (EFI_IPv4_ADDRESS));\r | |
604 | CopyMem (&(Token.ListenPoints[0].SubnetMask), &(Instance->Dns4CfgData.SubnetMask), sizeof (EFI_IPv4_ADDRESS));\r | |
605 | }\r | |
606 | \r | |
607 | Token.ListenPoints[0].ListenPort = 68;\r | |
608 | \r | |
609 | Token.TimeoutValue = DNS_TIME_TO_GETMAP;\r | |
610 | \r | |
611 | DnsInitSeedPacket (&SeedPacket, InterfaceInfo);\r | |
612 | \r | |
613 | ParaList[0] = AllocateZeroPool (sizeof (EFI_DHCP4_PACKET_OPTION));\r | |
614 | if (ParaList[0] == NULL) {\r | |
615 | Status = EFI_OUT_OF_RESOURCES;\r | |
616 | goto ON_EXIT;\r | |
617 | }\r | |
618 | \r | |
619 | ParaList[0]->OpCode = DHCP4_TAG_TYPE;\r | |
620 | ParaList[0]->Length = 1;\r | |
621 | ParaList[0]->Data[0] = DHCP4_MSG_INFORM;\r | |
622 | \r | |
623 | ParaList[1] = AllocateZeroPool (sizeof (EFI_DHCP4_PACKET_OPTION));\r | |
624 | if (ParaList[1] == NULL) {\r | |
625 | Status = EFI_OUT_OF_RESOURCES;\r | |
626 | goto ON_EXIT;\r | |
627 | }\r | |
628 | \r | |
629 | ParaList[1]->OpCode = DHCP4_TAG_PARA_LIST;\r | |
630 | ParaList[1]->Length = 1;\r | |
631 | ParaList[1]->Data[0] = DHCP4_TAG_DNS_SERVER;\r | |
632 | \r | |
633 | Status = Dhcp4->Build (Dhcp4, &SeedPacket, 0, NULL, 2, ParaList, &Token.Packet); \r | |
634 | \r | |
635 | Token.Packet->Dhcp4.Header.Xid = HTONL(NET_RANDOM (NetRandomInitSeed ()));\r | |
636 | \r | |
637 | Token.Packet->Dhcp4.Header.Reserved = HTONS ((UINT16)0x8000);\r | |
638 | \r | |
639 | if (Instance->Dns4CfgData.UseDefaultSetting) {\r | |
640 | CopyMem (&(Token.Packet->Dhcp4.Header.ClientAddr), &(InterfaceInfo->StationAddress), sizeof (EFI_IPv4_ADDRESS));\r | |
641 | } else {\r | |
642 | CopyMem (&(Token.Packet->Dhcp4.Header.ClientAddr), &(Instance->Dns4CfgData.StationIp), sizeof (EFI_IPv4_ADDRESS));\r | |
643 | }\r | |
644 | \r | |
645 | CopyMem (Token.Packet->Dhcp4.Header.ClientHwAddr, &(InterfaceInfo->HwAddress), InterfaceInfo->HwAddressSize); \r | |
646 | \r | |
647 | Token.Packet->Dhcp4.Header.HwAddrLen = (UINT8)(InterfaceInfo->HwAddressSize);\r | |
648 | \r | |
649 | //\r | |
650 | // TransmitReceive Token\r | |
651 | //\r | |
652 | Status = Dhcp4->TransmitReceive (Dhcp4, &Token);\r | |
653 | if (EFI_ERROR (Status)) {\r | |
654 | goto ON_EXIT;\r | |
655 | }\r | |
656 | \r | |
657 | //\r | |
658 | // Poll the packet\r | |
659 | //\r | |
660 | do {\r | |
661 | Status = Mnp->Poll (Mnp);\r | |
662 | } while (!IsDone);\r | |
663 | \r | |
664 | //\r | |
665 | // Parse the ACK to get required information if received done.\r | |
666 | //\r | |
667 | if (IsDone && !EFI_ERROR (Token.Status)) {\r | |
668 | for (Index = 0; Index < Token.ResponseCount; Index++) {\r | |
669 | Status = ParseDhcp4Ack (Dhcp4, &Token.ResponseList[Index], &DnsServerInfor);\r | |
670 | if (!EFI_ERROR (Status)) {\r | |
671 | break;\r | |
672 | }\r | |
673 | }\r | |
674 | \r | |
675 | *DnsServerList = DnsServerInfor.ServerList;\r | |
676 | } else {\r | |
677 | Status = Token.Status;\r | |
678 | }\r | |
679 | \r | |
680 | ON_EXIT:\r | |
681 | \r | |
682 | if (Data != NULL) {\r | |
683 | FreePool (Data);\r | |
684 | }\r | |
685 | \r | |
686 | for (Index = 0; Index < 2; Index++) {\r | |
687 | if (ParaList[Index] != NULL) {\r | |
688 | FreePool (ParaList[Index]);\r | |
689 | }\r | |
690 | }\r | |
691 | \r | |
692 | if (Token.ListenPoints) {\r | |
693 | FreePool (Token.ListenPoints);\r | |
694 | }\r | |
695 | \r | |
696 | if (Token.Packet) {\r | |
697 | FreePool (Token.Packet);\r | |
698 | }\r | |
699 | \r | |
700 | if (Token.ResponseList != NULL) {\r | |
701 | FreePool (Token.ResponseList);\r | |
702 | }\r | |
703 | \r | |
704 | if (Token.CompletionEvent != NULL) {\r | |
705 | gBS->CloseEvent (Token.CompletionEvent);\r | |
706 | }\r | |
707 | \r | |
708 | if (Dhcp4 != NULL) {\r | |
709 | Dhcp4->Stop (Dhcp4);\r | |
710 | Dhcp4->Configure (Dhcp4, NULL);\r | |
711 | \r | |
712 | gBS->CloseProtocol (\r | |
713 | Dhcp4Handle,\r | |
714 | &gEfiDhcp4ProtocolGuid,\r | |
715 | Image,\r | |
716 | Controller\r | |
717 | );\r | |
718 | }\r | |
719 | \r | |
720 | if (Dhcp4Handle != NULL) {\r | |
721 | NetLibDestroyServiceChild (\r | |
722 | Controller,\r | |
723 | Image,\r | |
724 | &gEfiDhcp4ServiceBindingProtocolGuid,\r | |
725 | Dhcp4Handle\r | |
726 | );\r | |
727 | }\r | |
728 | \r | |
729 | if (Mnp != NULL) {\r | |
730 | Mnp->Configure (Mnp, NULL);\r | |
731 | \r | |
732 | gBS->CloseProtocol (\r | |
733 | MnpChildHandle,\r | |
734 | &gEfiManagedNetworkProtocolGuid,\r | |
735 | Image,\r | |
736 | Controller\r | |
737 | );\r | |
738 | }\r | |
739 | \r | |
740 | NetLibDestroyServiceChild (\r | |
741 | Controller,\r | |
742 | Image,\r | |
743 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
744 | MnpChildHandle\r | |
745 | );\r | |
746 | \r | |
747 | return Status;\r | |
748 | }\r | |
749 | \r | |
750 | /**\r | |
751 | Parse the DHCP ACK to get Dns6 server information.\r | |
752 | \r | |
753 | @param Image The handle of the driver image.\r | |
754 | @param Controller The handle of the controller.\r | |
755 | @param DnsServerCount Retrieved Dns6 server Ip count.\r | |
756 | @param DnsServerList Retrieved Dns6 server Ip list.\r | |
757 | \r | |
758 | @retval EFI_SUCCESS The Dns6 information is got from the DHCP ACK.\r | |
759 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r | |
760 | @retval EFI_NO_MEDIA There was a media error.\r | |
761 | @retval Others Other errors as indicated.\r | |
762 | \r | |
763 | **/\r | |
764 | EFI_STATUS\r | |
765 | GetDns6ServerFromDhcp6 (\r | |
766 | IN EFI_HANDLE Image,\r | |
767 | IN EFI_HANDLE Controller,\r | |
768 | OUT UINT32 *DnsServerCount,\r | |
769 | OUT EFI_IPv6_ADDRESS **DnsServerList\r | |
770 | )\r | |
771 | {\r | |
772 | EFI_HANDLE Dhcp6Handle;\r | |
773 | EFI_DHCP6_PROTOCOL *Dhcp6;\r | |
774 | EFI_STATUS Status;\r | |
775 | EFI_STATUS TimerStatus;\r | |
776 | EFI_DHCP6_PACKET_OPTION *Oro;\r | |
777 | EFI_DHCP6_RETRANSMISSION InfoReqReXmit;\r | |
778 | EFI_EVENT Timer;\r | |
779 | BOOLEAN MediaPresent;\r | |
780 | DNS6_SERVER_INFOR DnsServerInfor;\r | |
781 | \r | |
782 | Dhcp6Handle = NULL;\r | |
783 | Dhcp6 = NULL;\r | |
784 | Oro = NULL;\r | |
785 | Timer = NULL;\r | |
786 | \r | |
787 | ZeroMem (&DnsServerInfor, sizeof (DNS6_SERVER_INFOR));\r | |
788 | \r | |
789 | DnsServerInfor.ServerCount = DnsServerCount;\r | |
790 | \r | |
791 | //\r | |
792 | // Check media status before doing DHCP.\r | |
793 | //\r | |
794 | MediaPresent = TRUE;\r | |
795 | NetLibDetectMedia (Controller, &MediaPresent);\r | |
796 | if (!MediaPresent) {\r | |
797 | return EFI_NO_MEDIA;\r | |
798 | }\r | |
799 | \r | |
800 | //\r | |
801 | // Create a DHCP6 child instance and get the protocol.\r | |
802 | //\r | |
803 | Status = NetLibCreateServiceChild (\r | |
804 | Controller,\r | |
805 | Image,\r | |
806 | &gEfiDhcp6ServiceBindingProtocolGuid,\r | |
807 | &Dhcp6Handle\r | |
808 | );\r | |
809 | if (EFI_ERROR (Status)) {\r | |
810 | return Status;\r | |
811 | }\r | |
812 | \r | |
813 | Status = gBS->OpenProtocol (\r | |
814 | Dhcp6Handle,\r | |
815 | &gEfiDhcp6ProtocolGuid,\r | |
816 | (VOID **) &Dhcp6,\r | |
817 | Image,\r | |
818 | Controller,\r | |
819 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
820 | );\r | |
821 | if (EFI_ERROR (Status)) {\r | |
822 | goto ON_EXIT;\r | |
823 | }\r | |
824 | \r | |
825 | Oro = AllocateZeroPool (sizeof (EFI_DHCP6_PACKET_OPTION) + 1);\r | |
826 | if (Oro == NULL) {\r | |
827 | Status = EFI_OUT_OF_RESOURCES;\r | |
828 | goto ON_EXIT;\r | |
829 | }\r | |
830 | \r | |
831 | //\r | |
832 | // Ask the server to reply with DNS options.\r | |
833 | // All members in EFI_DHCP6_PACKET_OPTION are in network order.\r | |
834 | //\r | |
835 | Oro->OpCode = HTONS (DHCP6_TAG_DNS_REQUEST);\r | |
836 | Oro->OpLen = HTONS (2);\r | |
837 | Oro->Data[1] = DHCP6_TAG_DNS_SERVER;\r | |
838 | \r | |
839 | InfoReqReXmit.Irt = 4;\r | |
840 | InfoReqReXmit.Mrc = 1;\r | |
841 | InfoReqReXmit.Mrt = 10;\r | |
842 | InfoReqReXmit.Mrd = 30;\r | |
843 | \r | |
844 | Status = Dhcp6->InfoRequest (\r | |
845 | Dhcp6,\r | |
846 | TRUE,\r | |
847 | Oro,\r | |
848 | 0,\r | |
849 | NULL,\r | |
850 | &InfoReqReXmit,\r | |
851 | NULL,\r | |
852 | ParseDhcp6Ack,\r | |
853 | &DnsServerInfor\r | |
854 | );\r | |
855 | if (Status == EFI_NO_MAPPING) {\r | |
856 | Status = gBS->CreateEvent (EVT_TIMER, TPL_CALLBACK, NULL, NULL, &Timer);\r | |
857 | if (EFI_ERROR (Status)) {\r | |
858 | goto ON_EXIT;\r | |
859 | }\r | |
860 | \r | |
861 | Status = gBS->SetTimer (\r | |
862 | Timer,\r | |
863 | TimerRelative,\r | |
864 | DNS_TIME_TO_GETMAP * TICKS_PER_SECOND\r | |
865 | );\r | |
866 | \r | |
867 | if (EFI_ERROR (Status)) {\r | |
868 | goto ON_EXIT;\r | |
869 | }\r | |
870 | \r | |
871 | do {\r | |
872 | TimerStatus = gBS->CheckEvent (Timer);\r | |
873 | if (!EFI_ERROR (TimerStatus)) {\r | |
874 | Status = Dhcp6->InfoRequest (\r | |
875 | Dhcp6,\r | |
876 | TRUE,\r | |
877 | Oro,\r | |
878 | 0,\r | |
879 | NULL,\r | |
880 | &InfoReqReXmit,\r | |
881 | NULL,\r | |
882 | ParseDhcp6Ack,\r | |
883 | &DnsServerInfor\r | |
884 | );\r | |
885 | }\r | |
886 | } while (TimerStatus == EFI_NOT_READY);\r | |
887 | }\r | |
888 | \r | |
889 | *DnsServerList = DnsServerInfor.ServerList;\r | |
890 | \r | |
891 | ON_EXIT:\r | |
892 | \r | |
893 | if (Oro != NULL) {\r | |
894 | FreePool (Oro);\r | |
895 | } \r | |
896 | \r | |
897 | if (Timer != NULL) {\r | |
898 | gBS->CloseEvent (Timer);\r | |
899 | }\r | |
900 | \r | |
901 | if (Dhcp6 != NULL) {\r | |
902 | gBS->CloseProtocol (\r | |
903 | Dhcp6Handle,\r | |
904 | &gEfiDhcp6ProtocolGuid,\r | |
905 | Image,\r | |
906 | Controller\r | |
907 | );\r | |
908 | }\r | |
909 | \r | |
910 | NetLibDestroyServiceChild (\r | |
911 | Controller,\r | |
912 | Image,\r | |
913 | &gEfiDhcp6ServiceBindingProtocolGuid,\r | |
914 | Dhcp6Handle\r | |
915 | );\r | |
916 | \r | |
917 | return Status;\r | |
918 | \r | |
919 | }\r | |
920 | \r |