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8a67d61d | 1 | /** @file\r |
2 | \r | |
d1102dba | 3 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 4 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
8a67d61d | 5 | \r |
8a67d61d | 6 | **/\r |
7 | \r | |
8 | \r | |
9 | #include "Udp4Impl.h"\r | |
10 | \r | |
11 | EFI_DRIVER_BINDING_PROTOCOL gUdp4DriverBinding = {\r | |
12 | Udp4DriverBindingSupported,\r | |
13 | Udp4DriverBindingStart,\r | |
14 | Udp4DriverBindingStop,\r | |
15 | 0xa,\r | |
16 | NULL,\r | |
17 | NULL\r | |
18 | };\r | |
19 | \r | |
20 | EFI_SERVICE_BINDING_PROTOCOL mUdp4ServiceBinding = {\r | |
21 | Udp4ServiceBindingCreateChild,\r | |
22 | Udp4ServiceBindingDestroyChild\r | |
23 | };\r | |
24 | \r | |
216f7970 | 25 | /**\r |
26 | Callback function which provided by user to remove one node in NetDestroyLinkList process.\r | |
d1102dba | 27 | \r |
216f7970 | 28 | @param[in] Entry The entry to be removed.\r |
29 | @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r | |
30 | \r | |
31 | @retval EFI_SUCCESS The entry has been removed successfully.\r | |
32 | @retval Others Fail to remove the entry.\r | |
33 | \r | |
34 | **/\r | |
35 | EFI_STATUS\r | |
1f7eb561 | 36 | EFIAPI\r |
216f7970 | 37 | Udp4DestroyChildEntryInHandleBuffer (\r |
38 | IN LIST_ENTRY *Entry,\r | |
39 | IN VOID *Context\r | |
1f7eb561 | 40 | )\r |
216f7970 | 41 | {\r |
42 | UDP4_INSTANCE_DATA *Instance;\r | |
43 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
44 | UINTN NumberOfChildren;\r | |
45 | EFI_HANDLE *ChildHandleBuffer;\r | |
46 | \r | |
47 | if (Entry == NULL || Context == NULL) {\r | |
48 | return EFI_INVALID_PARAMETER;\r | |
49 | }\r | |
50 | \r | |
51 | Instance = NET_LIST_USER_STRUCT_S (Entry, UDP4_INSTANCE_DATA, Link, UDP4_INSTANCE_DATA_SIGNATURE);\r | |
52 | ServiceBinding = ((UDP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ServiceBinding;\r | |
53 | NumberOfChildren = ((UDP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->NumberOfChildren;\r | |
54 | ChildHandleBuffer = ((UDP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ChildHandleBuffer;\r | |
55 | \r | |
56 | if (!NetIsInHandleBuffer (Instance->ChildHandle, NumberOfChildren, ChildHandleBuffer)) {\r | |
57 | return EFI_SUCCESS;\r | |
58 | }\r | |
59 | \r | |
60 | return ServiceBinding->DestroyChild (ServiceBinding, Instance->ChildHandle);\r | |
61 | }\r | |
62 | \r | |
8a67d61d | 63 | \r |
64 | /**\r | |
bab52709 | 65 | Test to see if this driver supports ControllerHandle. This service\r |
66 | is called by the EFI boot service ConnectController(). In\r | |
67 | order to make drivers as small as possible, there are a few calling\r | |
68 | restrictions for this service. ConnectController() must\r | |
69 | follow these calling restrictions. If any other agent wishes to call\r | |
70 | Supported() it must also follow these calling restrictions.\r | |
71 | \r | |
3e8c18da | 72 | @param[in] This Protocol instance pointer.\r |
73 | @param[in] ControllerHandle Handle of device to test\r | |
74 | @param[in] RemainingDevicePath Optional parameter use to pick a specific child\r | |
75 | device to start.\r | |
bab52709 | 76 | \r |
77 | @retval EFI_SUCCESS This driver supports this device\r | |
78 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
79 | @retval other This driver does not support this device\r | |
8a67d61d | 80 | \r |
81 | **/\r | |
82 | EFI_STATUS\r | |
83 | EFIAPI\r | |
84 | Udp4DriverBindingSupported (\r | |
85 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
86 | IN EFI_HANDLE ControllerHandle,\r | |
87 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
88 | )\r | |
89 | {\r | |
90 | EFI_STATUS Status;\r | |
91 | \r | |
92 | //\r | |
93 | // Test for the Udp4ServiceBinding Protocol\r | |
94 | //\r | |
95 | Status = gBS->OpenProtocol (\r | |
96 | ControllerHandle,\r | |
97 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
98 | NULL,\r | |
99 | This->DriverBindingHandle,\r | |
100 | ControllerHandle,\r | |
101 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
102 | );\r | |
103 | if (!EFI_ERROR (Status)) {\r | |
104 | return EFI_ALREADY_STARTED;\r | |
105 | }\r | |
106 | \r | |
107 | //\r | |
108 | // Test for the Ip4 Protocol\r | |
109 | //\r | |
110 | Status = gBS->OpenProtocol (\r | |
111 | ControllerHandle,\r | |
112 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
113 | NULL,\r | |
114 | This->DriverBindingHandle,\r | |
115 | ControllerHandle,\r | |
116 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
117 | );\r | |
118 | \r | |
119 | return Status;\r | |
120 | }\r | |
121 | \r | |
122 | \r | |
123 | /**\r | |
bab52709 | 124 | Start this driver on ControllerHandle. This service is called by the\r |
125 | EFI boot service ConnectController(). In order to make\r | |
126 | drivers as small as possible, there are a few calling restrictions for\r | |
127 | this service. ConnectController() must follow these\r | |
128 | calling restrictions. If any other agent wishes to call Start() it\r | |
129 | must also follow these calling restrictions.\r | |
130 | \r | |
3e8c18da | 131 | @param[in] This Protocol instance pointer.\r |
132 | @param[in] ControllerHandle Handle of device to bind driver to\r | |
133 | @param[in] RemainingDevicePath Optional parameter use to pick a specific child\r | |
134 | device to start.\r | |
bab52709 | 135 | \r |
136 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
137 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
138 | @retval other This driver does not support this device\r | |
8a67d61d | 139 | \r |
140 | **/\r | |
141 | EFI_STATUS\r | |
142 | EFIAPI\r | |
143 | Udp4DriverBindingStart (\r | |
144 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
145 | IN EFI_HANDLE ControllerHandle,\r | |
146 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
147 | )\r | |
148 | {\r | |
149 | EFI_STATUS Status;\r | |
150 | UDP4_SERVICE_DATA *Udp4Service;\r | |
151 | \r | |
152 | //\r | |
153 | // Allocate Private Context Data Structure.\r | |
154 | //\r | |
e48e37fc | 155 | Udp4Service = AllocatePool (sizeof (UDP4_SERVICE_DATA));\r |
8a67d61d | 156 | if (Udp4Service == NULL) {\r |
157 | return EFI_OUT_OF_RESOURCES;\r | |
158 | }\r | |
159 | \r | |
160 | Status = Udp4CreateService (Udp4Service, This->DriverBindingHandle, ControllerHandle);\r | |
161 | if (EFI_ERROR (Status)) {\r | |
766c7483 | 162 | FreePool (Udp4Service);\r |
c4a62a12 | 163 | return Status;\r |
8a67d61d | 164 | }\r |
165 | \r | |
166 | //\r | |
167 | // Install the Udp4ServiceBindingProtocol on the ControllerHandle.\r | |
168 | //\r | |
169 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
170 | &ControllerHandle,\r | |
171 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
172 | &Udp4Service->ServiceBinding,\r | |
173 | NULL\r | |
174 | );\r | |
175 | if (EFI_ERROR (Status)) {\r | |
c4a62a12 | 176 | Udp4CleanService (Udp4Service);\r |
766c7483 | 177 | FreePool (Udp4Service);\r |
8a67d61d | 178 | }\r |
179 | \r | |
8a67d61d | 180 | return Status;\r |
181 | }\r | |
182 | \r | |
183 | \r | |
184 | /**\r | |
bab52709 | 185 | Stop this driver on ControllerHandle. This service is called by the\r |
186 | EFI boot service DisconnectController(). In order to\r | |
187 | make drivers as small as possible, there are a few calling\r | |
188 | restrictions for this service. DisconnectController()\r | |
189 | must follow these calling restrictions. If any other agent wishes\r | |
190 | to call Stop() it must also follow these calling restrictions.\r | |
d1102dba | 191 | \r |
3e8c18da | 192 | @param[in] This Protocol instance pointer.\r |
193 | @param[in] ControllerHandle Handle of device to stop driver on\r | |
194 | @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
195 | children is zero stop the entire bus driver.\r | |
196 | @param[in] ChildHandleBuffer List of Child Handles to Stop.\r | |
bab52709 | 197 | \r |
198 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
199 | @retval other This driver was not removed from this device\r | |
8a67d61d | 200 | \r |
201 | **/\r | |
202 | EFI_STATUS\r | |
203 | EFIAPI\r | |
204 | Udp4DriverBindingStop (\r | |
205 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
206 | IN EFI_HANDLE ControllerHandle,\r | |
207 | IN UINTN NumberOfChildren,\r | |
208 | IN EFI_HANDLE *ChildHandleBuffer\r | |
209 | )\r | |
210 | {\r | |
216f7970 | 211 | EFI_STATUS Status;\r |
212 | EFI_HANDLE NicHandle;\r | |
213 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
214 | UDP4_SERVICE_DATA *Udp4Service;\r | |
215 | UDP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;\r | |
216 | LIST_ENTRY *List;\r | |
8a67d61d | 217 | \r |
218 | //\r | |
219 | // Find the NicHandle where UDP4 ServiceBinding Protocol is installed.\r | |
220 | //\r | |
221 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);\r | |
222 | if (NicHandle == NULL) {\r | |
216f7970 | 223 | return EFI_SUCCESS;\r |
8a67d61d | 224 | }\r |
225 | \r | |
226 | //\r | |
227 | // Retrieve the UDP4 ServiceBinding Protocol.\r | |
228 | //\r | |
229 | Status = gBS->OpenProtocol (\r | |
230 | NicHandle,\r | |
231 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
232 | (VOID **) &ServiceBinding,\r | |
233 | This->DriverBindingHandle,\r | |
234 | NicHandle,\r | |
235 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
236 | );\r | |
237 | if (EFI_ERROR (Status)) {\r | |
238 | return EFI_DEVICE_ERROR;\r | |
239 | }\r | |
240 | \r | |
241 | Udp4Service = UDP4_SERVICE_DATA_FROM_THIS (ServiceBinding);\r | |
216f7970 | 242 | if (NumberOfChildren != 0) {\r |
243 | //\r | |
244 | // NumberOfChildren is not zero, destroy the children instances in ChildHandleBuffer.\r | |
245 | //\r | |
246 | List = &Udp4Service->ChildrenList;\r | |
247 | Context.ServiceBinding = ServiceBinding;\r | |
248 | Context.NumberOfChildren = NumberOfChildren;\r | |
249 | Context.ChildHandleBuffer = ChildHandleBuffer;\r | |
250 | Status = NetDestroyLinkList (\r | |
251 | List,\r | |
252 | Udp4DestroyChildEntryInHandleBuffer,\r | |
253 | &Context,\r | |
254 | NULL\r | |
255 | );\r | |
256 | } else {\r | |
c4a62a12 | 257 | gBS->UninstallMultipleProtocolInterfaces (\r |
258 | NicHandle,\r | |
259 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
260 | &Udp4Service->ServiceBinding,\r | |
261 | NULL\r | |
262 | );\r | |
d1102dba | 263 | \r |
c4a62a12 | 264 | Udp4CleanService (Udp4Service);\r |
8a67d61d | 265 | \r |
216f7970 | 266 | if (gUdpControllerNameTable != NULL) {\r |
267 | FreeUnicodeStringTable (gUdpControllerNameTable);\r | |
268 | gUdpControllerNameTable = NULL;\r | |
c4a62a12 | 269 | }\r |
216f7970 | 270 | FreePool (Udp4Service);\r |
c4a62a12 | 271 | }\r |
272 | \r | |
273 | return Status;\r | |
8a67d61d | 274 | }\r |
275 | \r | |
276 | \r | |
277 | /**\r | |
3e8c18da | 278 | Creates a child handle and installs a protocol.\r |
d1102dba LG |
279 | \r |
280 | The CreateChild() function installs a protocol on ChildHandle.\r | |
281 | If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.\r | |
3e8c18da | 282 | If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.\r |
8a67d61d | 283 | \r |
47c75f64 | 284 | @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r |
285 | @param[in] ChildHandle Pointer to the handle of the child to create. If it is NULL,\r | |
d1102dba | 286 | then a new handle is created. If it is a pointer to an existing UEFI handle,\r |
47c75f64 | 287 | then the protocol is added to the existing UEFI handle.\r |
8a67d61d | 288 | \r |
3e8c18da | 289 | @retval EFI_SUCCES The protocol was added to ChildHandle.\r |
bab52709 | 290 | @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r |
2048c585 | 291 | @retval EFI_OUT_OF_RESOURCES There are not enough resources available to create\r |
bab52709 | 292 | the child\r |
293 | @retval other The child handle was not created\r | |
8a67d61d | 294 | \r |
295 | **/\r | |
296 | EFI_STATUS\r | |
297 | EFIAPI\r | |
298 | Udp4ServiceBindingCreateChild (\r | |
299 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
300 | IN EFI_HANDLE *ChildHandle\r | |
301 | )\r | |
302 | {\r | |
303 | EFI_STATUS Status;\r | |
304 | UDP4_SERVICE_DATA *Udp4Service;\r | |
305 | UDP4_INSTANCE_DATA *Instance;\r | |
306 | EFI_TPL OldTpl;\r | |
307 | VOID *Ip4;\r | |
308 | \r | |
309 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
310 | return EFI_INVALID_PARAMETER;\r | |
311 | }\r | |
312 | \r | |
313 | Udp4Service = UDP4_SERVICE_DATA_FROM_THIS (This);\r | |
314 | \r | |
315 | //\r | |
316 | // Allocate the instance private data structure.\r | |
317 | //\r | |
e48e37fc | 318 | Instance = AllocateZeroPool (sizeof (UDP4_INSTANCE_DATA));\r |
8a67d61d | 319 | if (Instance == NULL) {\r |
320 | return EFI_OUT_OF_RESOURCES;\r | |
321 | }\r | |
322 | \r | |
323 | Udp4InitInstance (Udp4Service, Instance);\r | |
324 | \r | |
325 | //\r | |
326 | // Add an IpInfo for this instance.\r | |
327 | //\r | |
328 | Instance->IpInfo = IpIoAddIp (Udp4Service->IpIo);\r | |
329 | if (Instance->IpInfo == NULL) {\r | |
330 | Status = EFI_OUT_OF_RESOURCES;\r | |
c4a62a12 | 331 | goto ON_ERROR;\r |
8a67d61d | 332 | }\r |
333 | \r | |
334 | //\r | |
335 | // Install the Udp4Protocol for this instance.\r | |
336 | //\r | |
337 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
338 | ChildHandle,\r | |
339 | &gEfiUdp4ProtocolGuid,\r | |
340 | &Instance->Udp4Proto,\r | |
341 | NULL\r | |
342 | );\r | |
343 | if (EFI_ERROR (Status)) {\r | |
c4a62a12 | 344 | goto ON_ERROR;\r |
8a67d61d | 345 | }\r |
346 | \r | |
347 | Instance->ChildHandle = *ChildHandle;\r | |
348 | \r | |
349 | //\r | |
350 | // Open the default Ip4 protocol in the IP_IO BY_CHILD.\r | |
351 | //\r | |
352 | Status = gBS->OpenProtocol (\r | |
353 | Udp4Service->IpIo->ChildHandle,\r | |
354 | &gEfiIp4ProtocolGuid,\r | |
355 | (VOID **) &Ip4,\r | |
356 | gUdp4DriverBinding.DriverBindingHandle,\r | |
357 | Instance->ChildHandle,\r | |
358 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
359 | );\r | |
360 | if (EFI_ERROR (Status)) {\r | |
c4a62a12 | 361 | goto ON_ERROR;\r |
8a67d61d | 362 | }\r |
363 | \r | |
216f7970 | 364 | //\r |
365 | // Open this instance's Ip4 protocol in the IpInfo BY_CHILD.\r | |
366 | //\r | |
367 | Status = gBS->OpenProtocol (\r | |
368 | Instance->IpInfo->ChildHandle,\r | |
369 | &gEfiIp4ProtocolGuid,\r | |
370 | (VOID **) &Ip4,\r | |
371 | gUdp4DriverBinding.DriverBindingHandle,\r | |
372 | Instance->ChildHandle,\r | |
373 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
374 | );\r | |
375 | if (EFI_ERROR (Status)) {\r | |
376 | goto ON_ERROR;\r | |
377 | }\r | |
378 | \r | |
e48e37fc | 379 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 380 | \r |
381 | //\r | |
382 | // Link this instance into the service context data and increase the ChildrenNumber.\r | |
383 | //\r | |
e48e37fc | 384 | InsertTailList (&Udp4Service->ChildrenList, &Instance->Link);\r |
8a67d61d | 385 | Udp4Service->ChildrenNumber++;\r |
386 | \r | |
e48e37fc | 387 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 388 | \r |
c4a62a12 | 389 | return EFI_SUCCESS;\r |
8a67d61d | 390 | \r |
c4a62a12 | 391 | ON_ERROR:\r |
8a67d61d | 392 | \r |
c4a62a12 | 393 | if (Instance->ChildHandle != NULL) {\r |
394 | gBS->UninstallMultipleProtocolInterfaces (\r | |
395 | Instance->ChildHandle,\r | |
396 | &gEfiUdp4ProtocolGuid,\r | |
397 | &Instance->Udp4Proto,\r | |
398 | NULL\r | |
399 | );\r | |
400 | }\r | |
8a67d61d | 401 | \r |
c4a62a12 | 402 | if (Instance->IpInfo != NULL) {\r |
403 | IpIoRemoveIp (Udp4Service->IpIo, Instance->IpInfo);\r | |
404 | }\r | |
8a67d61d | 405 | \r |
406 | Udp4CleanInstance (Instance);\r | |
407 | \r | |
766c7483 | 408 | FreePool (Instance);\r |
8a67d61d | 409 | \r |
410 | return Status;\r | |
411 | }\r | |
412 | \r | |
413 | \r | |
414 | /**\r | |
3e8c18da | 415 | Destroys a child handle with a protocol installed on it.\r |
d1102dba LG |
416 | \r |
417 | The DestroyChild() function does the opposite of CreateChild(). It removes a protocol\r | |
418 | that was installed by CreateChild() from ChildHandle. If the removed protocol is the\r | |
3e8c18da | 419 | last protocol on ChildHandle, then ChildHandle is destroyed.\r |
8a67d61d | 420 | \r |
47c75f64 | 421 | @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r |
422 | @param[in] ChildHandle Handle of the child to destroy\r | |
8a67d61d | 423 | \r |
3e8c18da | 424 | @retval EFI_SUCCES The protocol was removed from ChildHandle.\r |
425 | @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.\r | |
284ee2e8 | 426 | @retval EFI_INVALID_PARAMETER Child handle is NULL.\r |
3e8c18da | 427 | @retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle\r |
428 | because its services are being used.\r | |
bab52709 | 429 | @retval other The child handle was not destroyed\r |
8a67d61d | 430 | \r |
431 | **/\r | |
432 | EFI_STATUS\r | |
433 | EFIAPI\r | |
434 | Udp4ServiceBindingDestroyChild (\r | |
435 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
436 | IN EFI_HANDLE ChildHandle\r | |
437 | )\r | |
438 | {\r | |
439 | EFI_STATUS Status;\r | |
440 | UDP4_SERVICE_DATA *Udp4Service;\r | |
441 | EFI_UDP4_PROTOCOL *Udp4Proto;\r | |
442 | UDP4_INSTANCE_DATA *Instance;\r | |
443 | EFI_TPL OldTpl;\r | |
444 | \r | |
445 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
446 | return EFI_INVALID_PARAMETER;\r | |
447 | }\r | |
448 | \r | |
449 | Udp4Service = UDP4_SERVICE_DATA_FROM_THIS (This);\r | |
450 | \r | |
451 | //\r | |
452 | // Try to get the Udp4 protocol from the ChildHandle.\r | |
453 | //\r | |
454 | Status = gBS->OpenProtocol (\r | |
455 | ChildHandle,\r | |
456 | &gEfiUdp4ProtocolGuid,\r | |
457 | (VOID **) &Udp4Proto,\r | |
458 | gUdp4DriverBinding.DriverBindingHandle,\r | |
459 | ChildHandle,\r | |
460 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
461 | );\r | |
462 | if (EFI_ERROR (Status)) {\r | |
463 | return EFI_UNSUPPORTED;\r | |
464 | }\r | |
465 | \r | |
466 | Instance = UDP4_INSTANCE_DATA_FROM_THIS (Udp4Proto);\r | |
467 | \r | |
216f7970 | 468 | if (Instance->InDestroy) {\r |
8a67d61d | 469 | return EFI_SUCCESS;\r |
470 | }\r | |
471 | \r | |
472 | //\r | |
473 | // Use the Destroyed flag to avoid the re-entering of the following code.\r | |
474 | //\r | |
216f7970 | 475 | Instance->InDestroy = TRUE;\r |
8a67d61d | 476 | \r |
477 | //\r | |
478 | // Close the Ip4 protocol.\r | |
479 | //\r | |
480 | gBS->CloseProtocol (\r | |
481 | Udp4Service->IpIo->ChildHandle,\r | |
482 | &gEfiIp4ProtocolGuid,\r | |
483 | gUdp4DriverBinding.DriverBindingHandle,\r | |
484 | Instance->ChildHandle\r | |
485 | );\r | |
216f7970 | 486 | //\r |
487 | // Close the Ip4 protocol on this instance's IpInfo.\r | |
488 | //\r | |
489 | gBS->CloseProtocol (\r | |
490 | Instance->IpInfo->ChildHandle,\r | |
491 | &gEfiIp4ProtocolGuid,\r | |
492 | gUdp4DriverBinding.DriverBindingHandle,\r | |
493 | Instance->ChildHandle\r | |
d1102dba | 494 | );\r |
8a67d61d | 495 | \r |
496 | //\r | |
497 | // Uninstall the Udp4Protocol previously installed on the ChildHandle.\r | |
498 | //\r | |
499 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
500 | ChildHandle,\r | |
501 | &gEfiUdp4ProtocolGuid,\r | |
502 | (VOID *) &Instance->Udp4Proto,\r | |
503 | NULL\r | |
504 | );\r | |
505 | if (EFI_ERROR (Status)) {\r | |
216f7970 | 506 | Instance->InDestroy = FALSE;\r |
8a67d61d | 507 | return Status;\r |
508 | }\r | |
509 | \r | |
510 | //\r | |
511 | // Reset the configuration in case the instance's consumer forgets to do this.\r | |
512 | //\r | |
513 | Udp4Proto->Configure (Udp4Proto, NULL);\r | |
514 | \r | |
515 | //\r | |
516 | // Remove the IpInfo this instance consumes.\r | |
517 | //\r | |
518 | IpIoRemoveIp (Udp4Service->IpIo, Instance->IpInfo);\r | |
519 | \r | |
e48e37fc | 520 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 521 | \r |
522 | //\r | |
523 | // Remove this instance from the service context data's ChildrenList.\r | |
524 | //\r | |
e48e37fc | 525 | RemoveEntryList (&Instance->Link);\r |
8a67d61d | 526 | Udp4Service->ChildrenNumber--;\r |
527 | \r | |
528 | //\r | |
529 | // Clean the instance.\r | |
530 | //\r | |
531 | Udp4CleanInstance (Instance);\r | |
532 | \r | |
e48e37fc | 533 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 534 | \r |
766c7483 | 535 | FreePool (Instance);\r |
8a67d61d | 536 | \r |
537 | return EFI_SUCCESS;\r | |
538 | }\r | |
539 | \r | |
bab52709 | 540 | /**\r |
541 | This is the declaration of an EFI image entry point. This entry point is\r | |
542 | the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r | |
543 | both device drivers and bus drivers.\r | |
d1102dba | 544 | \r |
bab52709 | 545 | The entry point for Udp4 driver which installs the driver binding\r |
546 | and component name protocol on its ImageHandle.\r | |
547 | \r | |
3e8c18da | 548 | @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r |
549 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
bab52709 | 550 | \r |
551 | @retval EFI_SUCCESS The operation completed successfully.\r | |
552 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
8a67d61d | 553 | \r |
bab52709 | 554 | **/\r |
8a67d61d | 555 | EFI_STATUS\r |
556 | EFIAPI\r | |
557 | Udp4DriverEntryPoint (\r | |
558 | IN EFI_HANDLE ImageHandle,\r | |
559 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
560 | )\r | |
8a67d61d | 561 | {\r |
562 | EFI_STATUS Status;\r | |
563 | \r | |
564 | //\r | |
565 | // Install the Udp4DriverBinding and Udp4ComponentName protocols.\r | |
566 | //\r | |
83cbd279 | 567 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
8a67d61d | 568 | ImageHandle,\r |
569 | SystemTable,\r | |
570 | &gUdp4DriverBinding,\r | |
571 | ImageHandle,\r | |
572 | &gUdp4ComponentName,\r | |
83cbd279 | 573 | &gUdp4ComponentName2\r |
8a67d61d | 574 | );\r |
575 | if (!EFI_ERROR (Status)) {\r | |
576 | //\r | |
577 | // Initialize the UDP random port.\r | |
578 | //\r | |
687a2e5f | 579 | mUdp4RandomPort = (UINT16) (((UINT16) NetRandomInitSeed ()) % UDP4_PORT_KNOWN + UDP4_PORT_KNOWN);\r |
8a67d61d | 580 | }\r |
581 | \r | |
582 | return Status;\r | |
583 | }\r | |
584 | \r |