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Commit | Line | Data |
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8a67d61d | 1 | /** @file\r |
6e4bac4d | 2 | Implementation of driver entry point and driver binding protocol.\r |
8a67d61d | 3 | \r |
d1102dba | 4 | Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
8a67d61d | 6 | \r |
8a67d61d | 7 | **/\r |
8 | \r | |
9 | #include "MnpDriver.h"\r | |
8a67d61d | 10 | #include "MnpImpl.h"\r |
779ae357 | 11 | #include "MnpVlan.h"\r |
8a67d61d | 12 | \r |
13 | EFI_DRIVER_BINDING_PROTOCOL gMnpDriverBinding = {\r | |
14 | MnpDriverBindingSupported,\r | |
15 | MnpDriverBindingStart,\r | |
16 | MnpDriverBindingStop,\r | |
17 | 0xa,\r | |
18 | NULL,\r | |
19 | NULL\r | |
20 | };\r | |
21 | \r | |
216f7970 | 22 | /**\r |
23 | Callback function which provided by user to remove one node in NetDestroyLinkList process.\r | |
d1102dba | 24 | \r |
216f7970 | 25 | @param[in] Entry The entry to be removed.\r |
26 | @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r | |
27 | \r | |
28 | @retval EFI_SUCCESS The entry has been removed successfully.\r | |
29 | @retval Others Fail to remove the entry.\r | |
30 | \r | |
31 | **/\r | |
32 | EFI_STATUS\r | |
1f7eb561 | 33 | EFIAPI\r |
216f7970 | 34 | MnpDestroyServiceDataEntry (\r |
35 | IN LIST_ENTRY *Entry,\r | |
36 | IN VOID *Context\r | |
1f7eb561 | 37 | )\r |
216f7970 | 38 | {\r |
39 | MNP_SERVICE_DATA *MnpServiceData;\r | |
d1102dba | 40 | \r |
216f7970 | 41 | MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);\r |
42 | return MnpDestroyServiceData (MnpServiceData);\r | |
43 | }\r | |
44 | \r | |
45 | /**\r | |
46 | Callback function which provided by user to remove one node in NetDestroyLinkList process.\r | |
d1102dba | 47 | \r |
216f7970 | 48 | @param[in] Entry The entry to be removed.\r |
49 | @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r | |
50 | \r | |
51 | @retval EFI_SUCCESS The entry has been removed successfully.\r | |
52 | @retval Others Fail to remove the entry.\r | |
53 | \r | |
54 | **/\r | |
55 | EFI_STATUS\r | |
1f7eb561 | 56 | EFIAPI\r |
216f7970 | 57 | MnpDestroyServiceChildEntry (\r |
58 | IN LIST_ENTRY *Entry,\r | |
59 | IN VOID *Context\r | |
1f7eb561 | 60 | )\r |
216f7970 | 61 | {\r |
62 | MNP_SERVICE_DATA *MnpServiceData;\r | |
63 | \r | |
64 | MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);\r | |
65 | return MnpDestroyServiceChild (MnpServiceData);\r | |
66 | }\r | |
67 | \r | |
8a67d61d | 68 | /**\r |
b6c4ecad | 69 | Test to see if this driver supports ControllerHandle. This service\r |
70 | is called by the EFI boot service ConnectController(). In\r | |
71 | order to make drivers as small as possible, there are a few calling\r | |
72 | restrictions for this service. ConnectController() must\r | |
73 | follow these calling restrictions. If any other agent wishes to call\r | |
74 | Supported() it must also follow these calling restrictions.\r | |
75 | \r | |
6e4bac4d | 76 | @param[in] This Protocol instance pointer.\r |
77 | @param[in] ControllerHandle Handle of device to test.\r | |
779ae357 | 78 | @param[in] RemainingDevicePath Optional parameter use to pick a specific\r |
6e4bac4d | 79 | child device to start.\r |
b6c4ecad | 80 | \r |
6e4bac4d | 81 | @retval EFI_SUCCESS This driver supports this device.\r |
82 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
83 | @retval Others This driver does not support this device.\r | |
8a67d61d | 84 | \r |
85 | **/\r | |
86 | EFI_STATUS\r | |
87 | EFIAPI\r | |
88 | MnpDriverBindingSupported (\r | |
779ae357 | 89 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
90 | IN EFI_HANDLE ControllerHandle,\r | |
91 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
8a67d61d | 92 | )\r |
93 | {\r | |
b58baf6b | 94 | EFI_STATUS Status;\r |
95 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
8a67d61d | 96 | \r |
8a67d61d | 97 | //\r |
b58baf6b | 98 | // Test to open the Simple Network protocol BY_DRIVER.\r |
8a67d61d | 99 | //\r |
100 | Status = gBS->OpenProtocol (\r | |
101 | ControllerHandle,\r | |
102 | &gEfiSimpleNetworkProtocolGuid,\r | |
b58baf6b | 103 | (VOID **) &Snp,\r |
8a67d61d | 104 | This->DriverBindingHandle,\r |
105 | ControllerHandle,\r | |
b58baf6b | 106 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
8a67d61d | 107 | );\r |
b58baf6b | 108 | if (EFI_ERROR (Status)) {\r |
109 | return Status;\r | |
110 | }\r | |
111 | \r | |
112 | //\r | |
113 | // Close the openned SNP protocol.\r | |
114 | //\r | |
115 | gBS->CloseProtocol (\r | |
116 | ControllerHandle,\r | |
117 | &gEfiSimpleNetworkProtocolGuid,\r | |
118 | This->DriverBindingHandle,\r | |
119 | ControllerHandle\r | |
120 | );\r | |
121 | \r | |
122 | return EFI_SUCCESS;\r | |
8a67d61d | 123 | }\r |
124 | \r | |
125 | \r | |
126 | /**\r | |
b6c4ecad | 127 | Start this driver on ControllerHandle. This service is called by the\r |
779ae357 | 128 | EFI boot service ConnectController(). In order to make drivers as small\r |
6e4bac4d | 129 | as possible, there are a few calling restrictions for this service.\r |
130 | ConnectController() must follow these calling restrictions. If any other\r | |
131 | agent wishes to call Start() it must also follow these calling restrictions.\r | |
132 | \r | |
133 | @param[in] This Protocol instance pointer.\r | |
134 | @param[in] ControllerHandle Handle of device to bind driver to.\r | |
779ae357 | 135 | @param[in] RemainingDevicePath Optional parameter use to pick a specific\r |
6e4bac4d | 136 | child device to start.\r |
137 | \r | |
138 | @retval EFI_SUCCESS This driver is added to ControllerHandle.\r | |
139 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.\r | |
140 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory for Mnp Service Data.\r | |
141 | @retval Others This driver does not support this device.\r | |
779ae357 | 142 | \r |
8a67d61d | 143 | **/\r |
144 | EFI_STATUS\r | |
145 | EFIAPI\r | |
146 | MnpDriverBindingStart (\r | |
779ae357 | 147 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
148 | IN EFI_HANDLE ControllerHandle,\r | |
149 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
8a67d61d | 150 | )\r |
151 | {\r | |
152 | EFI_STATUS Status;\r | |
153 | MNP_SERVICE_DATA *MnpServiceData;\r | |
779ae357 | 154 | MNP_DEVICE_DATA *MnpDeviceData;\r |
155 | LIST_ENTRY *Entry;\r | |
156 | VLAN_TCI *VlanVariable;\r | |
157 | UINTN NumberOfVlan;\r | |
158 | UINTN Index;\r | |
8a67d61d | 159 | \r |
779ae357 | 160 | VlanVariable = NULL;\r |
8a67d61d | 161 | \r |
779ae357 | 162 | //\r |
163 | // Initialize the Mnp Device Data\r | |
164 | //\r | |
165 | MnpDeviceData = AllocateZeroPool (sizeof (MNP_DEVICE_DATA));\r | |
166 | if (MnpDeviceData == NULL) {\r | |
167 | DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart(): Failed to allocate the Mnp Device Data.\n"));\r | |
8a67d61d | 168 | \r |
169 | return EFI_OUT_OF_RESOURCES;\r | |
170 | }\r | |
171 | \r | |
779ae357 | 172 | Status = MnpInitializeDeviceData (MnpDeviceData, This->DriverBindingHandle, ControllerHandle);\r |
8a67d61d | 173 | if (EFI_ERROR (Status)) {\r |
779ae357 | 174 | DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart: MnpInitializeDeviceData failed, %r.\n", Status));\r |
8a67d61d | 175 | \r |
779ae357 | 176 | FreePool (MnpDeviceData);\r |
177 | return Status;\r | |
8a67d61d | 178 | }\r |
179 | \r | |
779ae357 | 180 | //\r |
181 | // Check whether NIC driver has already produced VlanConfig protocol\r | |
182 | //\r | |
183 | Status = gBS->OpenProtocol (\r | |
184 | ControllerHandle,\r | |
185 | &gEfiVlanConfigProtocolGuid,\r | |
186 | NULL,\r | |
187 | This->DriverBindingHandle,\r | |
188 | ControllerHandle,\r | |
189 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
190 | );\r | |
191 | if (!EFI_ERROR (Status)) {\r | |
192 | //\r | |
193 | // NIC hardware already implement VLAN,\r | |
194 | // no need to provide software VLAN implementation in MNP driver\r | |
195 | //\r | |
196 | MnpDeviceData->NumberOfVlan = 0;\r | |
197 | ZeroMem (&MnpDeviceData->VlanConfig, sizeof (EFI_VLAN_CONFIG_PROTOCOL));\r | |
198 | MnpServiceData = MnpCreateServiceData (MnpDeviceData, 0, 0);\r | |
199 | Status = (MnpServiceData != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;\r | |
200 | goto Exit;\r | |
201 | }\r | |
8a67d61d | 202 | \r |
203 | //\r | |
779ae357 | 204 | // Install VLAN Config Protocol\r |
8a67d61d | 205 | //\r |
206 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
207 | &ControllerHandle,\r | |
779ae357 | 208 | &gEfiVlanConfigProtocolGuid,\r |
209 | &MnpDeviceData->VlanConfig,\r | |
8a67d61d | 210 | NULL\r |
211 | );\r | |
779ae357 | 212 | if (EFI_ERROR (Status)) {\r |
213 | goto Exit;\r | |
214 | }\r | |
8a67d61d | 215 | \r |
779ae357 | 216 | //\r |
217 | // Get current VLAN configuration from EFI Variable\r | |
218 | //\r | |
219 | NumberOfVlan = 0;\r | |
220 | Status = MnpGetVlanVariable (MnpDeviceData, &NumberOfVlan, &VlanVariable);\r | |
221 | if (EFI_ERROR (Status)) {\r | |
222 | //\r | |
223 | // No VLAN is set, create a default MNP service data for untagged frame\r | |
224 | //\r | |
225 | MnpDeviceData->NumberOfVlan = 0;\r | |
226 | MnpServiceData = MnpCreateServiceData (MnpDeviceData, 0, 0);\r | |
227 | Status = (MnpServiceData != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;\r | |
228 | goto Exit;\r | |
229 | }\r | |
230 | \r | |
231 | //\r | |
232 | // Create MNP service data for each VLAN\r | |
233 | //\r | |
234 | MnpDeviceData->NumberOfVlan = NumberOfVlan;\r | |
235 | for (Index = 0; Index < NumberOfVlan; Index++) {\r | |
236 | MnpServiceData = MnpCreateServiceData (\r | |
237 | MnpDeviceData,\r | |
238 | VlanVariable[Index].Bits.Vid,\r | |
239 | (UINT8) VlanVariable[Index].Bits.Priority\r | |
240 | );\r | |
241 | \r | |
242 | if (MnpServiceData == NULL) {\r | |
243 | Status = EFI_OUT_OF_RESOURCES;\r | |
244 | \r | |
245 | goto Exit;\r | |
246 | }\r | |
247 | }\r | |
248 | \r | |
249 | Exit:\r | |
250 | if (VlanVariable != NULL) {\r | |
251 | FreePool (VlanVariable);\r | |
252 | }\r | |
8a67d61d | 253 | \r |
254 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 255 | //\r |
256 | // Destroy all MNP service data\r | |
257 | //\r | |
258 | while (!IsListEmpty (&MnpDeviceData->ServiceList)) {\r | |
259 | Entry = GetFirstNode (&MnpDeviceData->ServiceList);\r | |
260 | MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);\r | |
261 | MnpDestroyServiceData (MnpServiceData);\r | |
262 | }\r | |
8a67d61d | 263 | \r |
779ae357 | 264 | //\r |
265 | // Uninstall the VLAN Config Protocol if any\r | |
266 | //\r | |
267 | if (MnpDeviceData->VlanConfig.Set != NULL) {\r | |
268 | gBS->UninstallMultipleProtocolInterfaces (\r | |
269 | MnpDeviceData->ControllerHandle,\r | |
270 | &gEfiVlanConfigProtocolGuid,\r | |
271 | &MnpDeviceData->VlanConfig,\r | |
272 | NULL\r | |
273 | );\r | |
8a67d61d | 274 | }\r |
275 | \r | |
779ae357 | 276 | //\r |
277 | // Destroy Mnp Device Data\r | |
278 | //\r | |
279 | MnpDestroyDeviceData (MnpDeviceData, This->DriverBindingHandle);\r | |
280 | FreePool (MnpDeviceData);\r | |
8a67d61d | 281 | }\r |
282 | \r | |
283 | return Status;\r | |
284 | }\r | |
285 | \r | |
8a67d61d | 286 | /**\r |
b6c4ecad | 287 | Stop this driver on ControllerHandle. This service is called by the\r |
779ae357 | 288 | EFI boot service DisconnectController(). In order to make drivers as\r |
289 | small as possible, there are a few calling restrictions for this service.\r | |
290 | DisconnectController() must follow these calling restrictions. If any other\r | |
6e4bac4d | 291 | agent wishes to call Stop() it must also follow these calling restrictions.\r |
779ae357 | 292 | \r |
6e4bac4d | 293 | @param[in] This Protocol instance pointer.\r |
294 | @param[in] ControllerHandle Handle of device to stop driver on.\r | |
779ae357 | 295 | @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If\r |
296 | number of children is zero stop the entire\r | |
297 | bus driver.\r | |
6e4bac4d | 298 | @param[in] ChildHandleBuffer List of Child Handles to Stop.\r |
b6c4ecad | 299 | \r |
6e4bac4d | 300 | @retval EFI_SUCCESS This driver is removed ControllerHandle.\r |
301 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r | |
8a67d61d | 302 | \r |
303 | **/\r | |
304 | EFI_STATUS\r | |
305 | EFIAPI\r | |
306 | MnpDriverBindingStop (\r | |
779ae357 | 307 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
308 | IN EFI_HANDLE ControllerHandle,\r | |
309 | IN UINTN NumberOfChildren,\r | |
310 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r | |
8a67d61d | 311 | )\r |
312 | {\r | |
313 | EFI_STATUS Status;\r | |
314 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
779ae357 | 315 | EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;\r |
316 | MNP_DEVICE_DATA *MnpDeviceData;\r | |
8a67d61d | 317 | MNP_SERVICE_DATA *MnpServiceData;\r |
216f7970 | 318 | LIST_ENTRY *List;\r |
319 | UINTN ListLength;\r | |
8a67d61d | 320 | \r |
321 | //\r | |
779ae357 | 322 | // Try to retrieve MNP service binding protocol from the ControllerHandle\r |
8a67d61d | 323 | //\r |
324 | Status = gBS->OpenProtocol (\r | |
325 | ControllerHandle,\r | |
326 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
327 | (VOID **) &ServiceBinding,\r | |
328 | This->DriverBindingHandle,\r | |
329 | ControllerHandle,\r | |
330 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
331 | );\r | |
332 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 333 | //\r |
334 | // Retrieve VLAN Config Protocol from the ControllerHandle\r | |
335 | //\r | |
336 | Status = gBS->OpenProtocol (\r | |
337 | ControllerHandle,\r | |
338 | &gEfiVlanConfigProtocolGuid,\r | |
339 | (VOID **) &VlanConfig,\r | |
340 | This->DriverBindingHandle,\r | |
341 | ControllerHandle,\r | |
342 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
343 | );\r | |
344 | if (EFI_ERROR (Status)) {\r | |
345 | DEBUG ((EFI_D_ERROR, "MnpDriverBindingStop: try to stop unknown Controller.\n"));\r | |
346 | return EFI_DEVICE_ERROR;\r | |
347 | }\r | |
8a67d61d | 348 | \r |
779ae357 | 349 | MnpDeviceData = MNP_DEVICE_DATA_FROM_THIS (VlanConfig);\r |
350 | } else {\r | |
351 | MnpServiceData = MNP_SERVICE_DATA_FROM_THIS (ServiceBinding);\r | |
352 | MnpDeviceData = MnpServiceData->MnpDeviceData;\r | |
8a67d61d | 353 | }\r |
354 | \r | |
c4a62a12 | 355 | if (NumberOfChildren == 0) {\r |
8a67d61d | 356 | //\r |
779ae357 | 357 | // Destroy all MNP service data\r |
8a67d61d | 358 | //\r |
216f7970 | 359 | List = &MnpDeviceData->ServiceList;\r |
360 | Status = NetDestroyLinkList (\r | |
361 | List,\r | |
362 | MnpDestroyServiceDataEntry,\r | |
363 | NULL,\r | |
364 | &ListLength\r | |
365 | );\r | |
366 | if (EFI_ERROR (Status) || ListLength !=0) {\r | |
367 | return EFI_DEVICE_ERROR;\r | |
779ae357 | 368 | }\r |
8a67d61d | 369 | \r |
c4a62a12 | 370 | //\r |
779ae357 | 371 | // Uninstall the VLAN Config Protocol if any\r |
c4a62a12 | 372 | //\r |
779ae357 | 373 | if (MnpDeviceData->VlanConfig.Set != NULL) {\r |
374 | gBS->UninstallMultipleProtocolInterfaces (\r | |
375 | MnpDeviceData->ControllerHandle,\r | |
376 | &gEfiVlanConfigProtocolGuid,\r | |
377 | &MnpDeviceData->VlanConfig,\r | |
378 | NULL\r | |
379 | );\r | |
380 | }\r | |
8a67d61d | 381 | \r |
779ae357 | 382 | //\r |
dd29f3ed | 383 | // Destroy Mnp Device Data\r |
779ae357 | 384 | //\r |
385 | MnpDestroyDeviceData (MnpDeviceData, This->DriverBindingHandle);\r | |
386 | FreePool (MnpDeviceData);\r | |
387 | \r | |
216f7970 | 388 | if (gMnpControllerNameTable != NULL) {\r |
389 | FreeUnicodeStringTable (gMnpControllerNameTable);\r | |
390 | gMnpControllerNameTable = NULL;\r | |
391 | }\r | |
779ae357 | 392 | return EFI_SUCCESS;\r |
393 | }\r | |
394 | \r | |
395 | //\r | |
396 | // Stop all MNP child\r | |
397 | //\r | |
216f7970 | 398 | List = &MnpDeviceData->ServiceList;\r |
399 | Status = NetDestroyLinkList (\r | |
400 | List,\r | |
401 | MnpDestroyServiceChildEntry,\r | |
402 | NULL,\r | |
403 | &ListLength\r | |
404 | );\r | |
405 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 406 | return EFI_DEVICE_ERROR;\r |
407 | }\r | |
408 | \r | |
409 | return EFI_SUCCESS;\r | |
8a67d61d | 410 | }\r |
411 | \r | |
412 | \r | |
413 | /**\r | |
6e4bac4d | 414 | Creates a child handle with a set of I/O services.\r |
8a67d61d | 415 | \r |
6e4bac4d | 416 | @param[in] This Protocol instance pointer.\r |
417 | @param[in, out] ChildHandle Pointer to the handle of the child to create. If\r | |
418 | it is NULL, then a new handle is created. If\r | |
779ae357 | 419 | it is not NULL, then the I/O services are added\r |
420 | to the existing child handle.\r | |
8a67d61d | 421 | \r |
779ae357 | 422 | @retval EFI_SUCCES The protocol was added to ChildHandle.\r |
423 | @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r | |
2048c585 | 424 | @retval EFI_OUT_OF_RESOURCES There are not enough resources available to\r |
6e4bac4d | 425 | create the child.\r |
426 | @retval Others The child handle was not created.\r | |
8a67d61d | 427 | \r |
428 | **/\r | |
429 | EFI_STATUS\r | |
430 | EFIAPI\r | |
431 | MnpServiceBindingCreateChild (\r | |
779ae357 | 432 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r |
433 | IN OUT EFI_HANDLE *ChildHandle\r | |
8a67d61d | 434 | )\r |
435 | {\r | |
436 | EFI_STATUS Status;\r | |
437 | MNP_SERVICE_DATA *MnpServiceData;\r | |
438 | MNP_INSTANCE_DATA *Instance;\r | |
779ae357 | 439 | VOID *MnpSb;\r |
8a67d61d | 440 | EFI_TPL OldTpl;\r |
441 | \r | |
442 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
8a67d61d | 443 | return EFI_INVALID_PARAMETER;\r |
444 | }\r | |
445 | \r | |
446 | MnpServiceData = MNP_SERVICE_DATA_FROM_THIS (This);\r | |
447 | \r | |
448 | //\r | |
449 | // Allocate buffer for the new instance.\r | |
450 | //\r | |
e48e37fc | 451 | Instance = AllocateZeroPool (sizeof (MNP_INSTANCE_DATA));\r |
8a67d61d | 452 | if (Instance == NULL) {\r |
e48e37fc | 453 | DEBUG ((EFI_D_ERROR, "MnpServiceBindingCreateChild: Faild to allocate memory for the new instance.\n"));\r |
779ae357 | 454 | \r |
8a67d61d | 455 | return EFI_OUT_OF_RESOURCES;\r |
456 | }\r | |
457 | \r | |
458 | //\r | |
459 | // Init the instance data.\r | |
460 | //\r | |
461 | MnpInitializeInstanceData (MnpServiceData, Instance);\r | |
462 | \r | |
463 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
464 | ChildHandle,\r | |
465 | &gEfiManagedNetworkProtocolGuid,\r | |
466 | &Instance->ManagedNetwork,\r | |
467 | NULL\r | |
468 | );\r | |
469 | if (EFI_ERROR (Status)) {\r | |
e48e37fc | 470 | DEBUG (\r |
471 | (EFI_D_ERROR,\r | |
472 | "MnpServiceBindingCreateChild: Failed to install the MNP protocol, %r.\n",\r | |
8a67d61d | 473 | Status)\r |
474 | );\r | |
779ae357 | 475 | \r |
8a67d61d | 476 | goto ErrorExit;\r |
477 | }\r | |
478 | \r | |
479 | //\r | |
480 | // Save the instance's childhandle.\r | |
481 | //\r | |
482 | Instance->Handle = *ChildHandle;\r | |
483 | \r | |
484 | Status = gBS->OpenProtocol (\r | |
779ae357 | 485 | MnpServiceData->ServiceHandle,\r |
486 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
487 | (VOID **) &MnpSb,\r | |
8a67d61d | 488 | gMnpDriverBinding.DriverBindingHandle,\r |
489 | Instance->Handle,\r | |
490 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
491 | );\r | |
492 | if (EFI_ERROR (Status)) {\r | |
493 | goto ErrorExit;\r | |
494 | }\r | |
495 | \r | |
496 | //\r | |
497 | // Add the child instance into ChildrenList.\r | |
498 | //\r | |
e48e37fc | 499 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 500 | \r |
e48e37fc | 501 | InsertTailList (&MnpServiceData->ChildrenList, &Instance->InstEntry);\r |
8a67d61d | 502 | MnpServiceData->ChildrenNumber++;\r |
503 | \r | |
e48e37fc | 504 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 505 | \r |
506 | ErrorExit:\r | |
507 | \r | |
508 | if (EFI_ERROR (Status)) {\r | |
509 | \r | |
510 | if (Instance->Handle != NULL) {\r | |
511 | \r | |
512 | gBS->UninstallMultipleProtocolInterfaces (\r | |
0b29a17e | 513 | Instance->Handle,\r |
8a67d61d | 514 | &gEfiManagedNetworkProtocolGuid,\r |
515 | &Instance->ManagedNetwork,\r | |
516 | NULL\r | |
517 | );\r | |
518 | }\r | |
519 | \r | |
766c7483 | 520 | FreePool (Instance);\r |
8a67d61d | 521 | }\r |
522 | \r | |
523 | return Status;\r | |
524 | }\r | |
525 | \r | |
526 | \r | |
527 | /**\r | |
6e4bac4d | 528 | Destroys a child handle with a set of I/O services.\r |
779ae357 | 529 | \r |
530 | The DestroyChild() function does the opposite of CreateChild(). It removes a\r | |
531 | protocol that was installed by CreateChild() from ChildHandle. If the removed\r | |
532 | protocol is the last protocol on ChildHandle, then ChildHandle is destroyed.\r | |
533 | \r | |
534 | @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL\r | |
6e4bac4d | 535 | instance.\r |
536 | @param[in] ChildHandle Handle of the child to destroy.\r | |
537 | \r | |
779ae357 | 538 | @retval EFI_SUCCES The protocol was removed from ChildHandle.\r |
6e4bac4d | 539 | @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that\r |
540 | is being removed.\r | |
284ee2e8 | 541 | @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r |
6e4bac4d | 542 | @retval EFI_ACCESS_DENIED The protocol could not be removed from the\r |
543 | ChildHandle because its services are being\r | |
544 | used.\r | |
545 | @retval Others The child handle was not destroyed.\r | |
8a67d61d | 546 | \r |
547 | **/\r | |
548 | EFI_STATUS\r | |
549 | EFIAPI\r | |
550 | MnpServiceBindingDestroyChild (\r | |
779ae357 | 551 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r |
552 | IN EFI_HANDLE ChildHandle\r | |
8a67d61d | 553 | )\r |
554 | {\r | |
555 | EFI_STATUS Status;\r | |
556 | MNP_SERVICE_DATA *MnpServiceData;\r | |
557 | EFI_MANAGED_NETWORK_PROTOCOL *ManagedNetwork;\r | |
558 | MNP_INSTANCE_DATA *Instance;\r | |
559 | EFI_TPL OldTpl;\r | |
560 | \r | |
561 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
8a67d61d | 562 | return EFI_INVALID_PARAMETER;\r |
563 | }\r | |
564 | \r | |
565 | MnpServiceData = MNP_SERVICE_DATA_FROM_THIS (This);\r | |
566 | \r | |
567 | //\r | |
568 | // Try to retrieve ManagedNetwork Protocol from ChildHandle.\r | |
569 | //\r | |
570 | Status = gBS->OpenProtocol (\r | |
571 | ChildHandle,\r | |
572 | &gEfiManagedNetworkProtocolGuid,\r | |
573 | (VOID **) &ManagedNetwork,\r | |
574 | gMnpDriverBinding.DriverBindingHandle,\r | |
575 | ChildHandle,\r | |
576 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
577 | );\r | |
578 | if (EFI_ERROR (Status)) {\r | |
8a67d61d | 579 | return EFI_UNSUPPORTED;\r |
580 | }\r | |
581 | \r | |
582 | Instance = MNP_INSTANCE_DATA_FROM_THIS (ManagedNetwork);\r | |
583 | \r | |
584 | //\r | |
585 | // MnpServiceBindingDestroyChild may be called twice: first called by\r | |
586 | // MnpServiceBindingStop, second called by uninstalling the MNP protocol\r | |
587 | // in this ChildHandle. Use destroyed to make sure the resource clean code\r | |
588 | // will only excecute once.\r | |
589 | //\r | |
590 | if (Instance->Destroyed) {\r | |
8a67d61d | 591 | return EFI_SUCCESS;\r |
592 | }\r | |
593 | \r | |
594 | Instance->Destroyed = TRUE;\r | |
595 | \r | |
596 | //\r | |
597 | // Close the Simple Network protocol.\r | |
598 | //\r | |
599 | gBS->CloseProtocol (\r | |
779ae357 | 600 | MnpServiceData->ServiceHandle,\r |
601 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
602 | MnpServiceData->MnpDeviceData->ImageHandle,\r | |
8a67d61d | 603 | ChildHandle\r |
604 | );\r | |
605 | \r | |
606 | //\r | |
607 | // Uninstall the ManagedNetwork protocol.\r | |
608 | //\r | |
609 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
610 | ChildHandle,\r | |
611 | &gEfiManagedNetworkProtocolGuid,\r | |
612 | &Instance->ManagedNetwork,\r | |
613 | NULL\r | |
614 | );\r | |
615 | if (EFI_ERROR (Status)) {\r | |
e48e37fc | 616 | DEBUG (\r |
617 | (EFI_D_ERROR,\r | |
618 | "MnpServiceBindingDestroyChild: Failed to uninstall the ManagedNetwork protocol, %r.\n",\r | |
8a67d61d | 619 | Status)\r |
620 | );\r | |
621 | \r | |
622 | Instance->Destroyed = FALSE;\r | |
623 | return Status;\r | |
624 | }\r | |
625 | \r | |
e48e37fc | 626 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 627 | \r |
628 | //\r | |
629 | // Reset the configuration.\r | |
630 | //\r | |
631 | ManagedNetwork->Configure (ManagedNetwork, NULL);\r | |
632 | \r | |
633 | //\r | |
634 | // Try to flush the RcvdPacketQueue.\r | |
635 | //\r | |
636 | MnpFlushRcvdDataQueue (Instance);\r | |
637 | \r | |
638 | //\r | |
639 | // Clean the RxTokenMap.\r | |
640 | //\r | |
641 | NetMapClean (&Instance->RxTokenMap);\r | |
642 | \r | |
643 | //\r | |
644 | // Remove this instance from the ChildrenList.\r | |
645 | //\r | |
e48e37fc | 646 | RemoveEntryList (&Instance->InstEntry);\r |
8a67d61d | 647 | MnpServiceData->ChildrenNumber--;\r |
648 | \r | |
e48e37fc | 649 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 650 | \r |
766c7483 | 651 | FreePool (Instance);\r |
8a67d61d | 652 | \r |
653 | return Status;\r | |
654 | }\r | |
655 | \r | |
b6c4ecad | 656 | /**\r |
657 | The entry point for Mnp driver which installs the driver binding and component\r | |
658 | name protocol on its ImageHandle.\r | |
659 | \r | |
6e4bac4d | 660 | @param[in] ImageHandle The image handle of the driver.\r |
661 | @param[in] SystemTable The system table.\r | |
b6c4ecad | 662 | \r |
779ae357 | 663 | @retval EFI_SUCCES The driver binding and component name protocols are\r |
b6c4ecad | 664 | successfully installed.\r |
6e4bac4d | 665 | @retval Others Other errors as indicated.\r |
8a67d61d | 666 | \r |
b6c4ecad | 667 | **/\r |
8a67d61d | 668 | EFI_STATUS\r |
669 | EFIAPI\r | |
670 | MnpDriverEntryPoint (\r | |
779ae357 | 671 | IN EFI_HANDLE ImageHandle,\r |
672 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
8a67d61d | 673 | )\r |
8a67d61d | 674 | {\r |
83cbd279 | 675 | return EfiLibInstallDriverBindingComponentName2 (\r |
da1d0201 | 676 | ImageHandle,\r |
677 | SystemTable,\r | |
678 | &gMnpDriverBinding,\r | |
679 | ImageHandle,\r | |
680 | &gMnpComponentName,\r | |
83cbd279 | 681 | &gMnpComponentName2\r |
da1d0201 | 682 | );\r |
8a67d61d | 683 | }\r |