]>
Commit | Line | Data |
---|---|---|
772db4bb | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2006, 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 | ArpDriver.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | \r | |
19 | **/\r | |
20 | \r | |
21 | \r | |
22 | #include "ArpDriver.h"\r | |
23 | #include "ArpImpl.h"\r | |
24 | \r | |
25 | EFI_DRIVER_BINDING_PROTOCOL gArpDriverBinding = {\r | |
26 | ArpDriverBindingSupported,\r | |
27 | ArpDriverBindingStart,\r | |
28 | ArpDriverBindingStop,\r | |
29 | 0xa,\r | |
30 | NULL,\r | |
31 | NULL\r | |
32 | };\r | |
33 | \r | |
34 | \r | |
35 | /**\r | |
36 | Create and initialize the arp service context data.\r | |
37 | \r | |
38 | @param ImageHandle The image handle representing the loaded driver\r | |
39 | image.\r | |
40 | @param ControllerHandle The controller handle the driver binds to.\r | |
41 | @param ArpService Pointer to the buffer containing the arp service\r | |
42 | context data.\r | |
43 | \r | |
44 | @retval EFI_SUCCESS The arp service context is initialized.\r | |
45 | @retval other Failed to initialize the arp service context.\r | |
46 | \r | |
47 | **/\r | |
48 | STATIC\r | |
49 | EFI_STATUS\r | |
50 | ArpCreateService (\r | |
51 | IN EFI_HANDLE ImageHandle,\r | |
52 | IN EFI_HANDLE ControllerHandle,\r | |
53 | IN ARP_SERVICE_DATA *ArpService\r | |
54 | )\r | |
55 | {\r | |
56 | EFI_STATUS Status;\r | |
57 | \r | |
58 | ASSERT (ArpService != NULL);\r | |
59 | \r | |
60 | ArpService->Signature = ARP_SERVICE_DATA_SIGNATURE;\r | |
61 | \r | |
62 | //\r | |
63 | // Init the servicebinding protocol members.\r | |
64 | //\r | |
65 | ArpService->ServiceBinding.CreateChild = ArpServiceBindingCreateChild;\r | |
66 | ArpService->ServiceBinding.DestroyChild = ArpServiceBindingDestroyChild;\r | |
67 | \r | |
68 | //\r | |
69 | // Save the handles.\r | |
70 | //\r | |
71 | ArpService->ImageHandle = ImageHandle;\r | |
72 | ArpService->ControllerHandle = ControllerHandle;\r | |
73 | \r | |
74 | //\r | |
75 | // Create a MNP child instance.\r | |
76 | //\r | |
77 | Status = NetLibCreateServiceChild (\r | |
78 | ControllerHandle,\r | |
79 | ImageHandle,\r | |
80 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
81 | &ArpService->MnpChildHandle\r | |
82 | );\r | |
83 | if (EFI_ERROR (Status)) {\r | |
84 | return Status;\r | |
85 | }\r | |
86 | \r | |
87 | //\r | |
88 | // Open the MNP protocol.\r | |
89 | //\r | |
90 | Status = gBS->OpenProtocol (\r | |
91 | ArpService->MnpChildHandle,\r | |
92 | &gEfiManagedNetworkProtocolGuid,\r | |
93 | (VOID **)&ArpService->Mnp,\r | |
94 | ImageHandle,\r | |
95 | ControllerHandle,\r | |
96 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
97 | );\r | |
98 | if (EFI_ERROR (Status)) {\r | |
99 | goto ERROR_EXIT;\r | |
100 | }\r | |
101 | \r | |
102 | //\r | |
103 | // Get the underlayer Snp mode data.\r | |
104 | //\r | |
105 | Status = ArpService->Mnp->GetModeData (ArpService->Mnp, NULL, &ArpService->SnpMode);\r | |
106 | if ((Status != EFI_NOT_STARTED) && EFI_ERROR (Status)) {\r | |
107 | goto ERROR_EXIT;\r | |
108 | }\r | |
109 | \r | |
110 | if (ArpService->SnpMode.IfType != NET_IFTYPE_ETHERNET) {\r | |
111 | //\r | |
112 | // Only support the ethernet.\r | |
113 | //\r | |
114 | Status = EFI_UNSUPPORTED;\r | |
115 | goto ERROR_EXIT;\r | |
116 | }\r | |
117 | \r | |
118 | //\r | |
119 | // Set the Mnp config parameters.\r | |
120 | //\r | |
121 | ArpService->MnpConfigData.ReceivedQueueTimeoutValue = 0;\r | |
122 | ArpService->MnpConfigData.TransmitQueueTimeoutValue = 0;\r | |
123 | ArpService->MnpConfigData.ProtocolTypeFilter = ARP_ETHER_PROTO_TYPE;\r | |
124 | ArpService->MnpConfigData.EnableUnicastReceive = TRUE;\r | |
125 | ArpService->MnpConfigData.EnableMulticastReceive = FALSE;\r | |
126 | ArpService->MnpConfigData.EnableBroadcastReceive = TRUE;\r | |
127 | ArpService->MnpConfigData.EnablePromiscuousReceive = FALSE;\r | |
128 | ArpService->MnpConfigData.FlushQueuesOnReset = TRUE;\r | |
129 | ArpService->MnpConfigData.EnableReceiveTimestamps = FALSE;\r | |
130 | ArpService->MnpConfigData.DisableBackgroundPolling = FALSE;\r | |
131 | \r | |
132 | //\r | |
133 | // Configure the Mnp child.\r | |
134 | //\r | |
135 | Status = ArpService->Mnp->Configure (ArpService->Mnp, &ArpService->MnpConfigData);\r | |
136 | if (EFI_ERROR (Status)) {\r | |
137 | goto ERROR_EXIT;\r | |
138 | }\r | |
139 | \r | |
140 | //\r | |
141 | // Create the event used in the RxToken.\r | |
142 | //\r | |
143 | Status = gBS->CreateEvent (\r | |
144 | EVT_NOTIFY_SIGNAL,\r | |
145 | NET_TPL_EVENT,\r | |
146 | ArpOnFrameRcvd,\r | |
147 | ArpService,\r | |
148 | &ArpService->RxToken.Event\r | |
149 | );\r | |
150 | if (EFI_ERROR (Status)) {\r | |
151 | goto ERROR_EXIT;\r | |
152 | }\r | |
153 | \r | |
154 | //\r | |
155 | // Create the Arp heartbeat timer.\r | |
156 | //\r | |
157 | Status = gBS->CreateEvent (\r | |
158 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
159 | NET_TPL_TIMER,\r | |
160 | ArpTimerHandler,\r | |
161 | ArpService,\r | |
162 | &ArpService->PeriodicTimer\r | |
163 | );\r | |
164 | if (EFI_ERROR (Status)) {\r | |
165 | goto ERROR_EXIT;\r | |
166 | }\r | |
167 | \r | |
168 | //\r | |
169 | // Start the heartbeat timer.\r | |
170 | //\r | |
171 | Status = gBS->SetTimer (\r | |
172 | ArpService->PeriodicTimer,\r | |
173 | TimerPeriodic,\r | |
174 | ARP_PERIODIC_TIMER_INTERVAL\r | |
175 | );\r | |
176 | if (EFI_ERROR (Status)) {\r | |
177 | goto ERROR_EXIT;\r | |
178 | }\r | |
179 | \r | |
180 | //\r | |
181 | // Init the lock.\r | |
182 | //\r | |
183 | NET_LOCK_INIT (&ArpService->Lock);\r | |
184 | \r | |
185 | //\r | |
186 | // Init the lists.\r | |
187 | //\r | |
188 | NetListInit (&ArpService->ChildrenList);\r | |
189 | NetListInit (&ArpService->PendingRequestTable);\r | |
190 | NetListInit (&ArpService->DeniedCacheTable);\r | |
191 | NetListInit (&ArpService->ResolvedCacheTable);\r | |
192 | \r | |
193 | ERROR_EXIT:\r | |
194 | \r | |
195 | return Status;\r | |
196 | }\r | |
197 | \r | |
198 | \r | |
199 | /**\r | |
200 | Clean the arp service context data.\r | |
201 | \r | |
202 | @param ArpService Pointer to the buffer containing the arp service\r | |
203 | context data.\r | |
204 | \r | |
205 | @return None.\r | |
206 | \r | |
207 | **/\r | |
208 | STATIC\r | |
209 | VOID\r | |
210 | ArpCleanService (\r | |
211 | IN ARP_SERVICE_DATA *ArpService\r | |
212 | )\r | |
213 | {\r | |
214 | NET_CHECK_SIGNATURE (ArpService, ARP_SERVICE_DATA_SIGNATURE);\r | |
215 | \r | |
216 | if (ArpService->PeriodicTimer != NULL) {\r | |
217 | //\r | |
218 | // Cancle and close the PeriodicTimer.\r | |
219 | //\r | |
220 | gBS->SetTimer (ArpService->PeriodicTimer, TimerCancel, 0);\r | |
221 | gBS->CloseEvent (ArpService->PeriodicTimer);\r | |
222 | }\r | |
223 | \r | |
224 | if (ArpService->RxToken.Event != NULL) {\r | |
225 | //\r | |
226 | // Cancle the RxToken and close the event in the RxToken.\r | |
227 | //\r | |
228 | ArpService->Mnp->Cancel (ArpService->Mnp, NULL);\r | |
229 | gBS->CloseEvent (ArpService->RxToken.Event);\r | |
230 | }\r | |
231 | \r | |
232 | if (ArpService->Mnp != NULL) {\r | |
233 | //\r | |
234 | // Reset the Mnp child and close the Mnp protocol.\r | |
235 | //\r | |
236 | ArpService->Mnp->Configure (ArpService->Mnp, NULL);\r | |
237 | gBS->CloseProtocol (\r | |
238 | ArpService->MnpChildHandle,\r | |
239 | &gEfiManagedNetworkProtocolGuid,\r | |
240 | ArpService->ImageHandle,\r | |
241 | ArpService->ControllerHandle\r | |
242 | );\r | |
243 | }\r | |
244 | \r | |
245 | if (ArpService->MnpChildHandle != NULL) {\r | |
246 | //\r | |
247 | // Destroy the mnp child.\r | |
248 | //\r | |
249 | NetLibDestroyServiceChild(\r | |
250 | ArpService->ControllerHandle,\r | |
251 | ArpService->ImageHandle,\r | |
252 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
253 | ArpService->MnpChildHandle\r | |
254 | );\r | |
255 | }\r | |
256 | }\r | |
257 | \r | |
258 | \r | |
259 | /**\r | |
260 | Test to see if this driver supports ControllerHandle.\r | |
261 | \r | |
262 | @param This Protocol instance pointer.\r | |
263 | @param ControllerHandle Handle of device to test.\r | |
264 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
265 | device to start.\r | |
266 | \r | |
267 | @retval EFI_SUCCES This driver supports this device\r | |
268 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
269 | @retval other This driver does not support this device.\r | |
270 | \r | |
271 | **/\r | |
272 | EFI_STATUS\r | |
273 | EFIAPI\r | |
274 | ArpDriverBindingSupported (\r | |
275 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
276 | IN EFI_HANDLE ControllerHandle,\r | |
277 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
278 | )\r | |
279 | {\r | |
280 | EFI_STATUS Status;\r | |
281 | \r | |
282 | //\r | |
283 | // Test to see if Arp SB is already installed.\r | |
284 | //\r | |
285 | Status = gBS->OpenProtocol (\r | |
286 | ControllerHandle,\r | |
287 | &gEfiArpServiceBindingProtocolGuid,\r | |
288 | NULL,\r | |
289 | This->DriverBindingHandle,\r | |
290 | ControllerHandle,\r | |
291 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
292 | );\r | |
293 | if (Status == EFI_SUCCESS) {\r | |
294 | return EFI_ALREADY_STARTED;\r | |
295 | }\r | |
296 | \r | |
297 | //\r | |
298 | // Test to see if MNP SB is installed.\r | |
299 | //\r | |
300 | Status = gBS->OpenProtocol (\r | |
301 | ControllerHandle,\r | |
302 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
303 | NULL,\r | |
304 | This->DriverBindingHandle,\r | |
305 | ControllerHandle,\r | |
306 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
307 | );\r | |
308 | \r | |
309 | return Status;\r | |
310 | }\r | |
311 | \r | |
312 | \r | |
313 | /**\r | |
314 | Start this driver on ControllerHandle.\r | |
315 | \r | |
316 | @param This Protocol instance pointer.\r | |
317 | @param ControllerHandle Handle of device to bind driver to\r | |
318 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
319 | device to start.\r | |
320 | \r | |
321 | @retval EFI_SUCCES This driver is added to ControllerHandle\r | |
322 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
323 | @retval other This driver does not support this device\r | |
324 | \r | |
325 | **/\r | |
326 | EFI_STATUS\r | |
327 | EFIAPI\r | |
328 | ArpDriverBindingStart (\r | |
329 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
330 | IN EFI_HANDLE ControllerHandle,\r | |
331 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
332 | )\r | |
333 | {\r | |
334 | EFI_STATUS Status;\r | |
335 | ARP_SERVICE_DATA *ArpService;\r | |
336 | \r | |
337 | //\r | |
338 | // Allocate a zero pool for ArpService.\r | |
339 | //\r | |
340 | ArpService = NetAllocateZeroPool (sizeof(ARP_SERVICE_DATA));\r | |
341 | if (ArpService == NULL) {\r | |
342 | return EFI_OUT_OF_RESOURCES;\r | |
343 | }\r | |
344 | \r | |
345 | //\r | |
346 | // Initialize the arp service context data.\r | |
347 | //\r | |
348 | Status = ArpCreateService (This->DriverBindingHandle, ControllerHandle, ArpService);\r | |
349 | if (EFI_ERROR (Status)) {\r | |
350 | goto ERROR;\r | |
351 | }\r | |
352 | \r | |
353 | //\r | |
354 | // Install the ARP service binding protocol.\r | |
355 | //\r | |
356 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
357 | &ControllerHandle,\r | |
358 | &gEfiArpServiceBindingProtocolGuid,\r | |
359 | &ArpService->ServiceBinding,\r | |
360 | NULL\r | |
361 | );\r | |
362 | if (EFI_ERROR (Status)) {\r | |
363 | goto ERROR;\r | |
364 | }\r | |
365 | \r | |
366 | //\r | |
367 | // OK, start to receive arp packets from Mnp.\r | |
368 | //\r | |
369 | Status = ArpService->Mnp->Receive (ArpService->Mnp, &ArpService->RxToken);\r | |
370 | if (EFI_ERROR (Status)) {\r | |
371 | goto ERROR;\r | |
372 | }\r | |
373 | \r | |
374 | return Status;\r | |
375 | \r | |
376 | ERROR:\r | |
377 | \r | |
378 | //\r | |
379 | // On error, clean the arp service context data, and free the memory allocated.\r | |
380 | //\r | |
381 | ArpCleanService (ArpService);\r | |
382 | NetFreePool (ArpService);\r | |
383 | \r | |
384 | return Status;\r | |
385 | }\r | |
386 | \r | |
387 | \r | |
388 | /**\r | |
389 | Stop this driver on ControllerHandle.\r | |
390 | \r | |
391 | @param This Protocol instance pointer.\r | |
392 | @param ControllerHandle Handle of device to stop driver on\r | |
393 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number\r | |
394 | of children is zero stop the entire bus driver.\r | |
395 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
396 | \r | |
397 | @retval EFI_SUCCES This driver is removed ControllerHandle\r | |
398 | @retval other This driver was not removed from this device\r | |
399 | \r | |
400 | **/\r | |
401 | EFI_STATUS\r | |
402 | EFIAPI\r | |
403 | ArpDriverBindingStop (\r | |
404 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
405 | IN EFI_HANDLE ControllerHandle,\r | |
406 | IN UINTN NumberOfChildren,\r | |
407 | IN EFI_HANDLE *ChildHandleBuffer\r | |
408 | )\r | |
409 | {\r | |
410 | EFI_STATUS Status;\r | |
411 | EFI_HANDLE NicHandle;\r | |
412 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
413 | ARP_SERVICE_DATA *ArpService;\r | |
414 | ARP_INSTANCE_DATA *Instance;\r | |
415 | \r | |
416 | //\r | |
417 | // Get the NicHandle which the arp servicebinding is installed on.\r | |
418 | //\r | |
419 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiManagedNetworkProtocolGuid);\r | |
420 | if (NicHandle == NULL) {\r | |
421 | return EFI_SUCCESS;\r | |
422 | }\r | |
423 | \r | |
424 | //\r | |
425 | // Try to get the arp servicebinding protocol on the NicHandle.\r | |
426 | //\r | |
427 | Status = gBS->OpenProtocol (\r | |
428 | NicHandle,\r | |
429 | &gEfiArpServiceBindingProtocolGuid,\r | |
430 | (VOID **)&ServiceBinding,\r | |
431 | This->DriverBindingHandle,\r | |
432 | ControllerHandle,\r | |
433 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
434 | );\r | |
435 | if (EFI_ERROR (Status)) {\r | |
436 | ARP_DEBUG_ERROR (("ArpDriverBindingStop: Open ArpSb failed, %r.\n", Status));\r | |
437 | return Status;\r | |
438 | }\r | |
439 | \r | |
440 | ArpService = ARP_SERVICE_DATA_FROM_THIS (ServiceBinding);\r | |
441 | \r | |
442 | while (!NetListIsEmpty (&ArpService->ChildrenList)) {\r | |
443 | //\r | |
444 | // Iterate all the instances.\r | |
445 | //\r | |
446 | Instance = NET_LIST_HEAD (&ArpService->ChildrenList, ARP_INSTANCE_DATA, List);\r | |
447 | \r | |
448 | //\r | |
449 | // Destroy this arp child.\r | |
450 | //\r | |
451 | ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r | |
452 | }\r | |
453 | \r | |
454 | ASSERT (NetListIsEmpty (&ArpService->PendingRequestTable));\r | |
455 | ASSERT (NetListIsEmpty (&ArpService->DeniedCacheTable));\r | |
456 | ASSERT (NetListIsEmpty (&ArpService->ResolvedCacheTable));\r | |
457 | \r | |
458 | //\r | |
459 | // Uninstall the ARP ServiceBinding protocol.\r | |
460 | //\r | |
461 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
462 | NicHandle,\r | |
463 | &gEfiArpServiceBindingProtocolGuid,\r | |
464 | &ArpService->ServiceBinding,\r | |
465 | NULL\r | |
466 | );\r | |
467 | if (EFI_ERROR (Status)) {\r | |
468 | ARP_DEBUG_ERROR (("ArpDriverBindingStop: Failed to uninstall ArpSb, %r.\n", Status));\r | |
469 | return Status;\r | |
470 | }\r | |
471 | \r | |
472 | //\r | |
473 | // Clean the arp servicebinding context data and free the memory allocated.\r | |
474 | //\r | |
475 | ArpCleanService (ArpService);\r | |
476 | NetFreePool (ArpService);\r | |
477 | \r | |
478 | return Status;\r | |
479 | }\r | |
480 | \r | |
481 | \r | |
482 | /**\r | |
483 | Creates a child handle with a set of I/O services.\r | |
484 | \r | |
485 | @param This Protocol instance pointer.\r | |
486 | @param ChildHandle Pointer to the handle of the child to create. If\r | |
487 | it is NULL, then a new handle is created. If it is\r | |
488 | not NULL, then the I/O services are added to the\r | |
489 | existing child handle.\r | |
490 | \r | |
491 | @retval EFI_SUCCES The child handle was created with the I/O\r | |
492 | services.\r | |
493 | @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\r | |
494 | the child.\r | |
495 | @retval other The child handle was not created.\r | |
496 | \r | |
497 | **/\r | |
498 | EFI_STATUS\r | |
499 | EFIAPI\r | |
500 | ArpServiceBindingCreateChild (\r | |
501 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
502 | IN EFI_HANDLE *ChildHandle\r | |
503 | )\r | |
504 | {\r | |
505 | EFI_STATUS Status;\r | |
506 | ARP_SERVICE_DATA *ArpService;\r | |
507 | ARP_INSTANCE_DATA *Instance;\r | |
508 | VOID *Mnp;\r | |
509 | \r | |
510 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
511 | return EFI_INVALID_PARAMETER;\r | |
512 | }\r | |
513 | \r | |
514 | ArpService = ARP_SERVICE_DATA_FROM_THIS (This);\r | |
515 | \r | |
516 | //\r | |
517 | // Allocate memory for the instance context data.\r | |
518 | //\r | |
519 | Instance = NetAllocateZeroPool (sizeof(ARP_INSTANCE_DATA));\r | |
520 | if (Instance == NULL) {\r | |
521 | ARP_DEBUG_ERROR (("ArpSBCreateChild: Failed to allocate memory for Instance.\n"));\r | |
522 | \r | |
523 | return EFI_OUT_OF_RESOURCES;\r | |
524 | }\r | |
525 | \r | |
526 | //\r | |
527 | // Init the instance context data.\r | |
528 | //\r | |
529 | ArpInitInstance (ArpService, Instance);\r | |
530 | \r | |
531 | //\r | |
532 | // Install the ARP protocol onto the ChildHandle.\r | |
533 | //\r | |
534 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
535 | ChildHandle,\r | |
536 | &gEfiArpProtocolGuid,\r | |
537 | (VOID *)&Instance->ArpProto,\r | |
538 | NULL\r | |
539 | );\r | |
540 | if (EFI_ERROR (Status)) {\r | |
541 | ARP_DEBUG_ERROR (("ArpSBCreateChild: faild to install ARP protocol, %r.\n", Status));\r | |
542 | \r | |
543 | NetFreePool (Instance);\r | |
544 | return Status;\r | |
545 | }\r | |
546 | \r | |
547 | //\r | |
548 | // Save the ChildHandle.\r | |
549 | //\r | |
550 | Instance->Handle = *ChildHandle;\r | |
551 | \r | |
552 | //\r | |
553 | // Open the Managed Network protocol BY_CHILD.\r | |
554 | //\r | |
555 | Status = gBS->OpenProtocol (\r | |
556 | ArpService->MnpChildHandle,\r | |
557 | &gEfiManagedNetworkProtocolGuid,\r | |
558 | (VOID **) &Mnp,\r | |
559 | gArpDriverBinding.DriverBindingHandle,\r | |
560 | Instance->Handle,\r | |
561 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
562 | );\r | |
563 | if (EFI_ERROR (Status)) {\r | |
564 | goto ERROR;\r | |
565 | }\r | |
566 | \r | |
567 | if (EFI_ERROR (NET_TRYLOCK (&ArpService->Lock))) {\r | |
568 | \r | |
569 | Status = EFI_ACCESS_DENIED;\r | |
570 | goto ERROR;\r | |
571 | }\r | |
572 | \r | |
573 | //\r | |
574 | // Insert the instance into children list managed by the arp service context data.\r | |
575 | //\r | |
576 | NetListInsertTail (&ArpService->ChildrenList, &Instance->List);\r | |
577 | ArpService->ChildrenNumber++;\r | |
578 | \r | |
579 | NET_UNLOCK (&ArpService->Lock);\r | |
580 | \r | |
581 | ERROR:\r | |
582 | \r | |
583 | if (EFI_ERROR (Status)) {\r | |
584 | \r | |
585 | gBS->CloseProtocol (\r | |
586 | ArpService->MnpChildHandle,\r | |
587 | &gEfiManagedNetworkProtocolGuid,\r | |
588 | gArpDriverBinding.DriverBindingHandle,\r | |
589 | Instance->Handle\r | |
590 | );\r | |
591 | \r | |
592 | gBS->UninstallMultipleProtocolInterfaces (\r | |
593 | Instance->Handle,\r | |
594 | &gEfiArpProtocolGuid,\r | |
595 | &Instance->ArpProto,\r | |
596 | NULL\r | |
597 | );\r | |
598 | \r | |
599 | //\r | |
600 | // Free the allocated memory.\r | |
601 | //\r | |
602 | NetFreePool (Instance);\r | |
603 | }\r | |
604 | \r | |
605 | return Status;\r | |
606 | }\r | |
607 | \r | |
608 | \r | |
609 | /**\r | |
610 | Destroys a child handle with a set of I/O services.\r | |
611 | \r | |
612 | @param This Protocol instance pointer.\r | |
613 | @param ChildHandle Handle of the child to destroy.\r | |
614 | \r | |
615 | @retval EFI_SUCCES The I/O services were removed from the child\r | |
616 | handle.\r | |
617 | @retval EFI_UNSUPPORTED The child handle does not support the I/O services\r | |
618 | that are being removed.\r | |
619 | @retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.\r | |
620 | @retval EFI_ACCESS_DENIED The child handle could not be destroyed because\r | |
621 | its I/O services are being used.\r | |
622 | @retval other The child handle was not destroyed.\r | |
623 | \r | |
624 | **/\r | |
625 | EFI_STATUS\r | |
626 | EFIAPI\r | |
627 | ArpServiceBindingDestroyChild (\r | |
628 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
629 | IN EFI_HANDLE ChildHandle\r | |
630 | )\r | |
631 | {\r | |
632 | EFI_STATUS Status;\r | |
633 | ARP_SERVICE_DATA *ArpService;\r | |
634 | ARP_INSTANCE_DATA *Instance;\r | |
635 | EFI_ARP_PROTOCOL *Arp;\r | |
636 | \r | |
637 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
638 | return EFI_INVALID_PARAMETER;\r | |
639 | }\r | |
640 | \r | |
641 | ArpService = ARP_SERVICE_DATA_FROM_THIS (This);\r | |
642 | \r | |
643 | //\r | |
644 | // Get the arp protocol.\r | |
645 | //\r | |
646 | Status = gBS->OpenProtocol (\r | |
647 | ChildHandle,\r | |
648 | &gEfiArpProtocolGuid,\r | |
649 | (VOID **)&Arp,\r | |
650 | ArpService->ImageHandle,\r | |
651 | ChildHandle,\r | |
652 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
653 | );\r | |
654 | if (EFI_ERROR (Status)) {\r | |
655 | return EFI_UNSUPPORTED;\r | |
656 | }\r | |
657 | \r | |
658 | Instance = ARP_INSTANCE_DATA_FROM_THIS (Arp);\r | |
659 | \r | |
660 | if (Instance->Destroyed) {\r | |
661 | return EFI_SUCCESS;\r | |
662 | }\r | |
663 | \r | |
664 | //\r | |
665 | // Use the Destroyed as a flag to avoid re-entrance.\r | |
666 | //\r | |
667 | Instance->Destroyed = TRUE;\r | |
668 | \r | |
669 | //\r | |
670 | // Close the Managed Network protocol.\r | |
671 | //\r | |
672 | gBS->CloseProtocol (\r | |
673 | ArpService->MnpChildHandle,\r | |
674 | &gEfiManagedNetworkProtocolGuid,\r | |
675 | gArpDriverBinding.DriverBindingHandle,\r | |
676 | ChildHandle\r | |
677 | );\r | |
678 | \r | |
679 | //\r | |
680 | // Uninstall the ARP protocol.\r | |
681 | //\r | |
682 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
683 | ChildHandle,\r | |
684 | &gEfiArpProtocolGuid,\r | |
685 | &Instance->ArpProto,\r | |
686 | NULL\r | |
687 | );\r | |
688 | if (EFI_ERROR (Status)) {\r | |
689 | ARP_DEBUG_ERROR (("ArpSBDestroyChild: Failed to uninstall the arp protocol, %r.\n",\r | |
690 | Status));\r | |
691 | \r | |
692 | Instance->Destroyed = FALSE;\r | |
693 | return Status;\r | |
694 | }\r | |
695 | \r | |
696 | if (EFI_ERROR (NET_TRYLOCK (&ArpService->Lock))) {\r | |
697 | Instance->Destroyed = FALSE;\r | |
698 | return EFI_ACCESS_DENIED;\r | |
699 | }\r | |
700 | \r | |
701 | if (Instance->Configured) {\r | |
702 | //\r | |
703 | // Delete the related cache entry.\r | |
704 | //\r | |
705 | ArpDeleteCacheEntry (Instance, FALSE, NULL, TRUE);\r | |
706 | \r | |
707 | //\r | |
708 | // Reset the instance configuration.\r | |
709 | //\r | |
710 | ArpConfigureInstance (Instance, NULL);\r | |
711 | }\r | |
712 | \r | |
713 | //\r | |
714 | // Remove this instance from the ChildrenList.\r | |
715 | //\r | |
716 | NetListRemoveEntry (&Instance->List);\r | |
717 | ArpService->ChildrenNumber--;\r | |
718 | \r | |
719 | NET_UNLOCK (&ArpService->Lock);\r | |
720 | \r | |
721 | NetFreePool (Instance);\r | |
722 | \r | |
723 | return Status;\r | |
724 | }\r | |
725 | \r | |
772db4bb | 726 | \r |
727 | EFI_STATUS\r | |
728 | EFIAPI\r | |
729 | ArpDriverEntryPoint (\r | |
730 | IN EFI_HANDLE ImageHandle,\r | |
731 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
732 | )\r | |
733 | /*++\r | |
734 | \r | |
735 | Routine Description:\r | |
736 | \r | |
737 | The entry point for Arp driver which installs the driver binding and component name\r | |
738 | protocol on its ImageHandle.\r | |
739 | \r | |
740 | Arguments:\r | |
741 | \r | |
742 | ImageHandle - The image handle of the driver.\r | |
743 | SystemTable - The system table.\r | |
744 | \r | |
745 | Returns:\r | |
746 | \r | |
747 | EFI_SUCCESS - if the driver binding and component name protocols are successfully\r | |
748 | installed, otherwise if failed.\r | |
749 | \r | |
750 | --*/\r | |
751 | {\r | |
83cbd279 | 752 | return EfiLibInstallDriverBindingComponentName2 (\r |
772db4bb | 753 | ImageHandle,\r |
754 | SystemTable,\r | |
755 | &gArpDriverBinding,\r | |
756 | ImageHandle,\r | |
757 | &gArpComponentName,\r | |
83cbd279 | 758 | &gArpComponentName2\r |
772db4bb | 759 | );\r |
760 | }\r | |
761 | \r |