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Commit | Line | Data |
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772db4bb | 1 | /** @file\r |
3e8c18da | 2 | The driver binding and service binding protocol for IP4 driver.\r |
e2851998 | 3 | \r |
1f6729ff | 4 | Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials\r |
772db4bb | 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 | |
12 | \r | |
772db4bb | 13 | **/\r |
14 | \r | |
15 | #include "Ip4Impl.h"\r | |
16 | \r | |
17 | EFI_DRIVER_BINDING_PROTOCOL gIp4DriverBinding = {\r | |
18 | Ip4DriverBindingSupported,\r | |
19 | Ip4DriverBindingStart,\r | |
20 | Ip4DriverBindingStop,\r | |
21 | 0xa,\r | |
22 | NULL,\r | |
23 | NULL\r | |
24 | };\r | |
25 | \r | |
5405e9a6 | 26 | /**\r |
27 | This is the declaration of an EFI image entry point. This entry point is\r | |
28 | the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r | |
29 | both device drivers and bus drivers.\r | |
e2851998 | 30 | \r |
5405e9a6 | 31 | The entry point for IP4 driver which install the driver\r |
32 | binding and component name protocol on its image.\r | |
33 | \r | |
3e8c18da | 34 | @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r |
35 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
5405e9a6 | 36 | \r |
37 | @retval EFI_SUCCESS The operation completed successfully.\r | |
38 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
39 | \r | |
40 | **/\r | |
772db4bb | 41 | EFI_STATUS\r |
42 | EFIAPI\r | |
43 | Ip4DriverEntryPoint (\r | |
44 | IN EFI_HANDLE ImageHandle,\r | |
45 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
46 | )\r | |
772db4bb | 47 | {\r |
83cbd279 | 48 | return EfiLibInstallDriverBindingComponentName2 (\r |
772db4bb | 49 | ImageHandle,\r |
50 | SystemTable,\r | |
51 | &gIp4DriverBinding,\r | |
52 | ImageHandle,\r | |
53 | &gIp4ComponentName,\r | |
83cbd279 | 54 | &gIp4ComponentName2\r |
772db4bb | 55 | );\r |
56 | }\r | |
57 | \r | |
772db4bb | 58 | /**\r |
5405e9a6 | 59 | Test to see if this driver supports ControllerHandle. This service\r |
60 | is called by the EFI boot service ConnectController(). In\r | |
61 | order to make drivers as small as possible, there are a few calling\r | |
62 | restrictions for this service. ConnectController() must\r | |
63 | follow these calling restrictions. If any other agent wishes to call\r | |
64 | Supported() it must also follow these calling restrictions.\r | |
65 | \r | |
3e8c18da | 66 | @param[in] This Protocol instance pointer.\r |
67 | @param[in] ControllerHandle Handle of device to test\r | |
68 | @param[in] RemainingDevicePath Optional parameter use to pick a specific child\r | |
69 | device to start.\r | |
5405e9a6 | 70 | \r |
71 | @retval EFI_SUCCESS This driver supports this device\r | |
72 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
73 | @retval other This driver does not support this device\r | |
772db4bb | 74 | \r |
75 | **/\r | |
76 | EFI_STATUS\r | |
77 | EFIAPI\r | |
78 | Ip4DriverBindingSupported (\r | |
79 | IN EFI_DRIVER_BINDING_PROTOCOL * This,\r | |
80 | IN EFI_HANDLE ControllerHandle,\r | |
81 | IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL\r | |
82 | )\r | |
83 | {\r | |
84 | EFI_STATUS Status;\r | |
85 | \r | |
86 | //\r | |
87 | // Test for the MNP service binding Protocol\r | |
88 | //\r | |
89 | Status = gBS->OpenProtocol (\r | |
90 | ControllerHandle,\r | |
91 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
92 | NULL,\r | |
93 | This->DriverBindingHandle,\r | |
94 | ControllerHandle,\r | |
95 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
96 | );\r | |
97 | \r | |
98 | if (EFI_ERROR (Status)) {\r | |
99 | return Status;\r | |
100 | }\r | |
101 | \r | |
102 | //\r | |
103 | // Test for the Arp service binding Protocol\r | |
104 | //\r | |
105 | Status = gBS->OpenProtocol (\r | |
106 | ControllerHandle,\r | |
107 | &gEfiArpServiceBindingProtocolGuid,\r | |
108 | NULL,\r | |
109 | This->DriverBindingHandle,\r | |
110 | ControllerHandle,\r | |
111 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
112 | );\r | |
113 | \r | |
114 | return Status;\r | |
115 | }\r | |
116 | \r | |
2ff29212 | 117 | /**\r |
118 | Clean up a IP4 service binding instance. It will release all\r | |
119 | the resource allocated by the instance. The instance may be\r | |
120 | partly initialized, or partly destroyed. If a resource is\r | |
75dce340 | 121 | destroyed, it is marked as that in case the destroy failed and\r |
2ff29212 | 122 | being called again later.\r |
123 | \r | |
1f6729ff | 124 | @param[in] IpSb The IP4 service binding instance to clean up\r |
2ff29212 | 125 | \r |
126 | @retval EFI_SUCCESS The resource used by the instance are cleaned up\r | |
127 | @retval other Failed to clean up some of the resources.\r | |
128 | \r | |
129 | **/\r | |
772db4bb | 130 | EFI_STATUS\r |
131 | Ip4CleanService (\r | |
132 | IN IP4_SERVICE *IpSb\r | |
133 | );\r | |
134 | \r | |
135 | \r | |
136 | /**\r | |
5405e9a6 | 137 | Create a new IP4 driver service binding private instance.\r |
772db4bb | 138 | \r |
3e8c18da | 139 | @param Controller The controller that has MNP service binding\r |
140 | installed\r | |
141 | @param ImageHandle The IP4 driver's image handle\r | |
142 | @param Service The variable to receive the newly created IP4\r | |
143 | service.\r | |
772db4bb | 144 | \r |
145 | @retval EFI_OUT_OF_RESOURCES Failed to allocate some resource\r | |
146 | @retval EFI_SUCCESS A new IP4 service binding private is created.\r | |
5405e9a6 | 147 | @retval other Other error occurs.\r |
772db4bb | 148 | \r |
149 | **/\r | |
772db4bb | 150 | EFI_STATUS\r |
151 | Ip4CreateService (\r | |
152 | IN EFI_HANDLE Controller,\r | |
153 | IN EFI_HANDLE ImageHandle,\r | |
154 | OUT IP4_SERVICE **Service\r | |
155 | )\r | |
156 | {\r | |
157 | IP4_SERVICE *IpSb;\r | |
158 | EFI_STATUS Status;\r | |
159 | \r | |
160 | ASSERT (Service != NULL);\r | |
161 | \r | |
162 | *Service = NULL;\r | |
163 | \r | |
164 | //\r | |
165 | // allocate a service private data then initialize all the filed to\r | |
166 | // empty resources, so if any thing goes wrong when allocating\r | |
167 | // resources, Ip4CleanService can be called to clean it up.\r | |
168 | //\r | |
1f6729ff | 169 | IpSb = AllocateZeroPool (sizeof (IP4_SERVICE));\r |
772db4bb | 170 | \r |
171 | if (IpSb == NULL) {\r | |
172 | return EFI_OUT_OF_RESOURCES;\r | |
173 | }\r | |
174 | \r | |
175 | IpSb->Signature = IP4_SERVICE_SIGNATURE;\r | |
176 | IpSb->ServiceBinding.CreateChild = Ip4ServiceBindingCreateChild;\r | |
177 | IpSb->ServiceBinding.DestroyChild = Ip4ServiceBindingDestroyChild;\r | |
178 | IpSb->State = IP4_SERVICE_UNSTARTED;\r | |
772db4bb | 179 | \r |
180 | IpSb->NumChildren = 0;\r | |
e48e37fc | 181 | InitializeListHead (&IpSb->Children);\r |
772db4bb | 182 | \r |
e48e37fc | 183 | InitializeListHead (&IpSb->Interfaces);\r |
772db4bb | 184 | IpSb->DefaultInterface = NULL;\r |
185 | IpSb->DefaultRouteTable = NULL;\r | |
186 | \r | |
187 | Ip4InitAssembleTable (&IpSb->Assemble);\r | |
188 | \r | |
189 | IpSb->IgmpCtrl.Igmpv1QuerySeen = 0;\r | |
e48e37fc | 190 | InitializeListHead (&IpSb->IgmpCtrl.Groups);\r |
772db4bb | 191 | \r |
192 | IpSb->Image = ImageHandle;\r | |
193 | IpSb->Controller = Controller;\r | |
194 | \r | |
195 | IpSb->MnpChildHandle = NULL;\r | |
196 | IpSb->Mnp = NULL;\r | |
197 | \r | |
198 | IpSb->MnpConfigData.ReceivedQueueTimeoutValue = 0;\r | |
199 | IpSb->MnpConfigData.TransmitQueueTimeoutValue = 0;\r | |
200 | IpSb->MnpConfigData.ProtocolTypeFilter = IP4_ETHER_PROTO;\r | |
201 | IpSb->MnpConfigData.EnableUnicastReceive = TRUE;\r | |
202 | IpSb->MnpConfigData.EnableMulticastReceive = TRUE;\r | |
203 | IpSb->MnpConfigData.EnableBroadcastReceive = TRUE;\r | |
204 | IpSb->MnpConfigData.EnablePromiscuousReceive = FALSE;\r | |
205 | IpSb->MnpConfigData.FlushQueuesOnReset = TRUE;\r | |
206 | IpSb->MnpConfigData.EnableReceiveTimestamps = FALSE;\r | |
207 | IpSb->MnpConfigData.DisableBackgroundPolling = FALSE;\r | |
208 | \r | |
e48e37fc | 209 | ZeroMem (&IpSb->SnpMode, sizeof (EFI_SIMPLE_NETWORK_MODE));\r |
772db4bb | 210 | \r |
1f6729ff | 211 | IpSb->Timer = NULL;\r |
772db4bb | 212 | \r |
213 | //\r | |
214 | // Create various resources. First create the route table, timer\r | |
215 | // event and MNP child. IGMP, interface's initialization depend\r | |
216 | // on the MNP child.\r | |
217 | //\r | |
218 | IpSb->DefaultRouteTable = Ip4CreateRouteTable ();\r | |
219 | \r | |
220 | if (IpSb->DefaultRouteTable == NULL) {\r | |
221 | Status = EFI_OUT_OF_RESOURCES;\r | |
222 | goto ON_ERROR;\r | |
223 | }\r | |
224 | \r | |
225 | Status = gBS->CreateEvent (\r | |
226 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
e48e37fc | 227 | TPL_CALLBACK,\r |
772db4bb | 228 | Ip4TimerTicking,\r |
229 | IpSb,\r | |
230 | &IpSb->Timer\r | |
231 | );\r | |
232 | \r | |
233 | if (EFI_ERROR (Status)) {\r | |
234 | goto ON_ERROR;\r | |
235 | }\r | |
236 | \r | |
237 | Status = NetLibCreateServiceChild (\r | |
238 | Controller,\r | |
239 | ImageHandle,\r | |
240 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
241 | &IpSb->MnpChildHandle\r | |
242 | );\r | |
243 | \r | |
244 | if (EFI_ERROR (Status)) {\r | |
245 | goto ON_ERROR;\r | |
246 | }\r | |
247 | \r | |
248 | Status = gBS->OpenProtocol (\r | |
249 | IpSb->MnpChildHandle,\r | |
250 | &gEfiManagedNetworkProtocolGuid,\r | |
251 | (VOID **) &IpSb->Mnp,\r | |
252 | ImageHandle,\r | |
253 | Controller,\r | |
254 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
255 | );\r | |
256 | \r | |
257 | if (EFI_ERROR (Status)) {\r | |
258 | goto ON_ERROR;\r | |
259 | }\r | |
260 | \r | |
261 | Status = Ip4ServiceConfigMnp (IpSb, TRUE);\r | |
262 | \r | |
263 | if (EFI_ERROR (Status)) {\r | |
264 | goto ON_ERROR;\r | |
265 | }\r | |
266 | \r | |
267 | Status = IpSb->Mnp->GetModeData (IpSb->Mnp, NULL, &IpSb->SnpMode);\r | |
268 | \r | |
269 | if (EFI_ERROR (Status)) {\r | |
270 | goto ON_ERROR;\r | |
271 | }\r | |
272 | \r | |
273 | Status = Ip4InitIgmp (IpSb);\r | |
274 | \r | |
275 | if (EFI_ERROR (Status)) {\r | |
276 | goto ON_ERROR;\r | |
277 | }\r | |
278 | \r | |
1f6729ff | 279 | IpSb->MacString = NULL;\r |
280 | Status = NetLibGetMacString (IpSb->Controller, IpSb->Image, &IpSb->MacString);\r | |
281 | \r | |
282 | if (EFI_ERROR (Status)) {\r | |
283 | goto ON_ERROR;\r | |
284 | }\r | |
285 | \r | |
772db4bb | 286 | IpSb->DefaultInterface = Ip4CreateInterface (IpSb->Mnp, Controller, ImageHandle);\r |
287 | \r | |
288 | if (IpSb->DefaultInterface == NULL) {\r | |
289 | Status = EFI_OUT_OF_RESOURCES;\r | |
290 | goto ON_ERROR;\r | |
291 | }\r | |
292 | \r | |
e48e37fc | 293 | InsertHeadList (&IpSb->Interfaces, &IpSb->DefaultInterface->Link);\r |
772db4bb | 294 | \r |
1f6729ff | 295 | ZeroMem (&IpSb->Ip4Config2Instance, sizeof (IP4_CONFIG2_INSTANCE));\r |
296 | \r | |
297 | Status = Ip4Config2InitInstance (&IpSb->Ip4Config2Instance);\r | |
298 | \r | |
299 | if (EFI_ERROR (Status)) {\r | |
300 | goto ON_ERROR;\r | |
301 | }\r | |
302 | \r | |
a1503a32 | 303 | IpSb->MaxPacketSize = IpSb->SnpMode.MaxPacketSize - sizeof (IP4_HEAD);\r |
779ae357 | 304 | if (NetLibGetVlanId (IpSb->Controller) != 0) {\r |
305 | //\r | |
306 | // This is a VLAN device, reduce MTU by VLAN tag length\r | |
307 | //\r | |
308 | IpSb->MaxPacketSize -= NET_VLAN_TAG_LEN;\r | |
309 | }\r | |
9e375eb1 | 310 | IpSb->OldMaxPacketSize = IpSb->MaxPacketSize;\r |
772db4bb | 311 | *Service = IpSb;\r |
1f6729ff | 312 | \r |
772db4bb | 313 | return EFI_SUCCESS;\r |
314 | \r | |
315 | ON_ERROR:\r | |
316 | Ip4CleanService (IpSb);\r | |
766c7483 | 317 | FreePool (IpSb);\r |
772db4bb | 318 | \r |
319 | return Status;\r | |
320 | }\r | |
321 | \r | |
322 | \r | |
323 | /**\r | |
324 | Clean up a IP4 service binding instance. It will release all\r | |
325 | the resource allocated by the instance. The instance may be\r | |
5405e9a6 | 326 | partly initialized, or partly destroyed. If a resource is\r |
75dce340 | 327 | destroyed, it is marked as that in case the destroy failed and\r |
772db4bb | 328 | being called again later.\r |
329 | \r | |
1f6729ff | 330 | @param[in] IpSb The IP4 service binding instance to clean up\r |
772db4bb | 331 | \r |
332 | @retval EFI_SUCCESS The resource used by the instance are cleaned up\r | |
5405e9a6 | 333 | @retval other Failed to clean up some of the resources.\r |
772db4bb | 334 | \r |
335 | **/\r | |
336 | EFI_STATUS\r | |
337 | Ip4CleanService (\r | |
338 | IN IP4_SERVICE *IpSb\r | |
339 | )\r | |
340 | {\r | |
341 | EFI_STATUS Status;\r | |
342 | \r | |
343 | if (IpSb->DefaultInterface != NULL) {\r | |
344 | Status = Ip4FreeInterface (IpSb->DefaultInterface, NULL);\r | |
345 | \r | |
346 | if (EFI_ERROR (Status)) {\r | |
347 | return Status;\r | |
348 | }\r | |
349 | \r | |
350 | IpSb->DefaultInterface = NULL;\r | |
351 | }\r | |
352 | \r | |
353 | if (IpSb->DefaultRouteTable != NULL) {\r | |
354 | Ip4FreeRouteTable (IpSb->DefaultRouteTable);\r | |
355 | IpSb->DefaultRouteTable = NULL;\r | |
356 | }\r | |
357 | \r | |
358 | Ip4CleanAssembleTable (&IpSb->Assemble);\r | |
359 | \r | |
360 | if (IpSb->MnpChildHandle != NULL) {\r | |
5405e9a6 | 361 | if (IpSb->Mnp != NULL) {\r |
772db4bb | 362 | gBS->CloseProtocol (\r |
5405e9a6 | 363 | IpSb->MnpChildHandle,\r |
364 | &gEfiManagedNetworkProtocolGuid,\r | |
365 | IpSb->Image,\r | |
366 | IpSb->Controller\r | |
367 | );\r | |
772db4bb | 368 | \r |
369 | IpSb->Mnp = NULL;\r | |
370 | }\r | |
371 | \r | |
372 | NetLibDestroyServiceChild (\r | |
373 | IpSb->Controller,\r | |
374 | IpSb->Image,\r | |
375 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
376 | IpSb->MnpChildHandle\r | |
377 | );\r | |
378 | \r | |
379 | IpSb->MnpChildHandle = NULL;\r | |
380 | }\r | |
381 | \r | |
382 | if (IpSb->Timer != NULL) {\r | |
383 | gBS->SetTimer (IpSb->Timer, TimerCancel, 0);\r | |
384 | gBS->CloseEvent (IpSb->Timer);\r | |
385 | \r | |
386 | IpSb->Timer = NULL;\r | |
387 | }\r | |
388 | \r | |
1f6729ff | 389 | if (IpSb->MacString != NULL) {\r |
390 | FreePool (IpSb->MacString);\r | |
772db4bb | 391 | }\r |
392 | \r | |
1f6729ff | 393 | Ip4Config2CleanInstance (&IpSb->Ip4Config2Instance);\r |
394 | \r | |
772db4bb | 395 | return EFI_SUCCESS;\r |
396 | }\r | |
397 | \r | |
216f7970 | 398 | /**\r |
399 | Callback function which provided by user to remove one node in NetDestroyLinkList process.\r | |
400 | \r | |
401 | @param[in] Entry The entry to be removed.\r | |
402 | @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r | |
403 | \r | |
404 | @retval EFI_SUCCESS The entry has been removed successfully.\r | |
405 | @retval Others Fail to remove the entry.\r | |
406 | \r | |
407 | **/\r | |
408 | EFI_STATUS\r | |
1f7eb561 | 409 | EFIAPI\r |
216f7970 | 410 | Ip4DestroyChildEntryInHandleBuffer (\r |
411 | IN LIST_ENTRY *Entry,\r | |
412 | IN VOID *Context\r | |
1f7eb561 | 413 | )\r |
216f7970 | 414 | {\r |
415 | IP4_PROTOCOL *IpInstance;\r | |
416 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
417 | UINTN NumberOfChildren;\r | |
418 | EFI_HANDLE *ChildHandleBuffer;\r | |
419 | \r | |
420 | if (Entry == NULL || Context == NULL) {\r | |
421 | return EFI_INVALID_PARAMETER;\r | |
422 | }\r | |
423 | \r | |
424 | IpInstance = NET_LIST_USER_STRUCT_S (Entry, IP4_PROTOCOL, Link, IP4_PROTOCOL_SIGNATURE);\r | |
425 | ServiceBinding = ((IP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ServiceBinding;\r | |
426 | NumberOfChildren = ((IP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->NumberOfChildren;\r | |
427 | ChildHandleBuffer = ((IP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ChildHandleBuffer;\r | |
428 | \r | |
429 | if (!NetIsInHandleBuffer (IpInstance->Handle, NumberOfChildren, ChildHandleBuffer)) {\r | |
430 | return EFI_SUCCESS;\r | |
431 | }\r | |
432 | \r | |
433 | return ServiceBinding->DestroyChild (ServiceBinding, IpInstance->Handle);\r | |
434 | }\r | |
772db4bb | 435 | \r |
436 | /**\r | |
5405e9a6 | 437 | Start this driver on ControllerHandle. This service is called by the\r |
438 | EFI boot service ConnectController(). In order to make\r | |
439 | drivers as small as possible, there are a few calling restrictions for\r | |
440 | this service. ConnectController() must follow these\r | |
441 | calling restrictions. If any other agent wishes to call Start() it\r | |
442 | must also follow these calling restrictions.\r | |
443 | \r | |
3e8c18da | 444 | @param[in] This Protocol instance pointer.\r |
445 | @param[in] ControllerHandle Handle of device to bind driver to\r | |
446 | @param[in] RemainingDevicePath Optional parameter use to pick a specific child\r | |
447 | device to start.\r | |
5405e9a6 | 448 | \r |
449 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
450 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
451 | @retval other This driver does not support this device\r | |
772db4bb | 452 | \r |
453 | **/\r | |
454 | EFI_STATUS\r | |
455 | EFIAPI\r | |
456 | Ip4DriverBindingStart (\r | |
1f6729ff | 457 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
772db4bb | 458 | IN EFI_HANDLE ControllerHandle,\r |
1f6729ff | 459 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r |
772db4bb | 460 | )\r |
1f6729ff | 461 | { \r |
462 | EFI_STATUS Status;\r | |
463 | IP4_SERVICE *IpSb;\r | |
772db4bb | 464 | \r |
465 | //\r | |
466 | // Test for the Ip4 service binding protocol\r | |
467 | //\r | |
468 | Status = gBS->OpenProtocol (\r | |
469 | ControllerHandle,\r | |
470 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
471 | NULL,\r | |
472 | This->DriverBindingHandle,\r | |
473 | ControllerHandle,\r | |
474 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
475 | );\r | |
476 | \r | |
477 | if (Status == EFI_SUCCESS) {\r | |
478 | return EFI_ALREADY_STARTED;\r | |
479 | }\r | |
1f6729ff | 480 | \r |
772db4bb | 481 | Status = Ip4CreateService (ControllerHandle, This->DriverBindingHandle, &IpSb);\r |
1f6729ff | 482 | \r |
772db4bb | 483 | if (EFI_ERROR (Status)) {\r |
484 | return Status;\r | |
485 | }\r | |
1f6729ff | 486 | \r |
e2851998 | 487 | ASSERT (IpSb != NULL);\r |
772db4bb | 488 | \r |
489 | //\r | |
490 | // Install the Ip4ServiceBinding Protocol onto ControlerHandle\r | |
491 | //\r | |
492 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
493 | &ControllerHandle,\r | |
494 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
495 | &IpSb->ServiceBinding,\r | |
1f6729ff | 496 | &gEfiIp4Config2ProtocolGuid,\r |
497 | &IpSb->Ip4Config2Instance.Ip4Config2,\r | |
772db4bb | 498 | NULL\r |
499 | );\r | |
500 | \r | |
501 | if (EFI_ERROR (Status)) {\r | |
502 | goto FREE_SERVICE;\r | |
503 | }\r | |
1f6729ff | 504 | \r |
772db4bb | 505 | //\r |
1f6729ff | 506 | // Ready to go: start the receiving and timer.\r |
507 | // Ip4Config2SetPolicy maybe call Ip4ReceiveFrame() to set the default interface's RecvRequest first after\r | |
508 | // Ip4Config2 instance is initialized. So, EFI_ALREADY_STARTED is the allowed return status.\r | |
772db4bb | 509 | //\r |
510 | Status = Ip4ReceiveFrame (IpSb->DefaultInterface, NULL, Ip4AccpetFrame, IpSb);\r | |
511 | \r | |
1f6729ff | 512 | if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r |
772db4bb | 513 | goto UNINSTALL_PROTOCOL;\r |
514 | }\r | |
515 | \r | |
516 | Status = gBS->SetTimer (IpSb->Timer, TimerPeriodic, TICKS_PER_SECOND);\r | |
517 | \r | |
518 | if (EFI_ERROR (Status)) {\r | |
519 | goto UNINSTALL_PROTOCOL;\r | |
520 | }\r | |
521 | \r | |
522 | //\r | |
523 | // Initialize the IP4 ID\r | |
524 | //\r | |
525 | mIp4Id = (UINT16)NET_RANDOM (NetRandomInitSeed ());\r | |
526 | \r | |
772db4bb | 527 | return Status;\r |
528 | \r | |
529 | UNINSTALL_PROTOCOL:\r | |
530 | gBS->UninstallProtocolInterface (\r | |
531 | ControllerHandle,\r | |
532 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
533 | &IpSb->ServiceBinding\r | |
534 | );\r | |
535 | \r | |
536 | FREE_SERVICE:\r | |
537 | Ip4CleanService (IpSb);\r | |
766c7483 | 538 | FreePool (IpSb);\r |
772db4bb | 539 | return Status;\r |
540 | }\r | |
541 | \r | |
542 | \r | |
543 | /**\r | |
5405e9a6 | 544 | Stop this driver on ControllerHandle. This service is called by the\r |
545 | EFI boot service DisconnectController(). In order to\r | |
546 | make drivers as small as possible, there are a few calling\r | |
547 | restrictions for this service. DisconnectController()\r | |
548 | must follow these calling restrictions. If any other agent wishes\r | |
549 | to call Stop() it must also follow these calling restrictions.\r | |
e2851998 | 550 | \r |
3e8c18da | 551 | @param[in] This Protocol instance pointer.\r |
552 | @param[in] ControllerHandle Handle of device to stop driver on\r | |
553 | @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number\r | |
554 | of children is zero stop the entire bus driver.\r | |
555 | @param[in] ChildHandleBuffer List of Child Handles to Stop.\r | |
5405e9a6 | 556 | \r |
3e8c18da | 557 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r |
558 | @retval other This driver was not removed from this device\r | |
772db4bb | 559 | \r |
560 | **/\r | |
561 | EFI_STATUS\r | |
562 | EFIAPI\r | |
563 | Ip4DriverBindingStop (\r | |
564 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
565 | IN EFI_HANDLE ControllerHandle,\r | |
566 | IN UINTN NumberOfChildren,\r | |
567 | IN EFI_HANDLE *ChildHandleBuffer\r | |
568 | )\r | |
569 | {\r | |
216f7970 | 570 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r |
571 | IP4_SERVICE *IpSb; \r | |
572 | EFI_HANDLE NicHandle;\r | |
573 | EFI_STATUS Status; \r | |
574 | INTN State;\r | |
575 | LIST_ENTRY *List;\r | |
576 | IP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;\r | |
d0ccf55e | 577 | IP4_INTERFACE *IpIf;\r |
578 | IP4_ROUTE_TABLE *RouteTable;\r | |
772db4bb | 579 | \r |
1f6729ff | 580 | BOOLEAN IsDhcp4;\r |
772db4bb | 581 | \r |
1f6729ff | 582 | IsDhcp4 = FALSE;\r |
583 | \r | |
772db4bb | 584 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiManagedNetworkProtocolGuid);\r |
772db4bb | 585 | if (NicHandle == NULL) {\r |
586 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiArpProtocolGuid);\r | |
216f7970 | 587 | if (NicHandle == NULL) {\r |
1f6729ff | 588 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);\r |
589 | if (NicHandle != NULL) {\r | |
590 | IsDhcp4 = TRUE; \r | |
591 | } else {\r | |
592 | return EFI_SUCCESS;\r | |
593 | }\r | |
216f7970 | 594 | }\r |
772db4bb | 595 | }\r |
1f6729ff | 596 | \r |
772db4bb | 597 | Status = gBS->OpenProtocol (\r |
598 | NicHandle,\r | |
599 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
600 | (VOID **) &ServiceBinding,\r | |
601 | This->DriverBindingHandle,\r | |
602 | NicHandle,\r | |
603 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
604 | );\r | |
772db4bb | 605 | if (EFI_ERROR (Status)) {\r |
606 | return EFI_DEVICE_ERROR;\r | |
607 | }\r | |
1f6729ff | 608 | \r |
609 | IpSb = IP4_SERVICE_FROM_PROTOCOL (ServiceBinding);\r | |
772db4bb | 610 | \r |
1f6729ff | 611 | if (IsDhcp4) {\r |
612 | Status = Ip4Config2DestroyDhcp4 (&IpSb->Ip4Config2Instance);\r | |
613 | gBS->CloseEvent (IpSb->Ip4Config2Instance.Dhcp4Event);\r | |
614 | IpSb->Ip4Config2Instance.Dhcp4Event = NULL;\r | |
615 | } else if (NumberOfChildren != 0) {\r | |
216f7970 | 616 | List = &IpSb->Children;\r |
617 | Context.ServiceBinding = ServiceBinding;\r | |
618 | Context.NumberOfChildren = NumberOfChildren;\r | |
619 | Context.ChildHandleBuffer = ChildHandleBuffer;\r | |
620 | Status = NetDestroyLinkList (\r | |
621 | List,\r | |
622 | Ip4DestroyChildEntryInHandleBuffer,\r | |
623 | &Context,\r | |
624 | NULL\r | |
625 | );\r | |
d0ccf55e | 626 | } else if (IpSb->DefaultInterface->ArpHandle == ControllerHandle) {\r |
1f6729ff | 627 | \r |
d0ccf55e | 628 | //\r |
629 | // The ARP protocol for the default interface is being uninstalled and all\r | |
630 | // its IP child handles should have been destroyed before. So, release the\r | |
631 | // default interface and route table, create a new one and mark it as not started.\r | |
632 | //\r | |
633 | Ip4CancelReceive (IpSb->DefaultInterface);\r | |
634 | Ip4FreeInterface (IpSb->DefaultInterface, NULL);\r | |
635 | Ip4FreeRouteTable (IpSb->DefaultRouteTable);\r | |
636 | \r | |
637 | IpIf = Ip4CreateInterface (IpSb->Mnp, IpSb->Controller, IpSb->Image);\r | |
638 | if (IpIf == NULL) {\r | |
639 | goto ON_ERROR;\r | |
640 | }\r | |
641 | RouteTable = Ip4CreateRouteTable ();\r | |
642 | if (RouteTable == NULL) {\r | |
643 | Ip4FreeInterface (IpIf, NULL);\r | |
644 | goto ON_ERROR;;\r | |
645 | }\r | |
646 | \r | |
647 | IpSb->DefaultInterface = IpIf;\r | |
648 | InsertHeadList (&IpSb->Interfaces, &IpIf->Link);\r | |
649 | IpSb->DefaultRouteTable = RouteTable;\r | |
650 | Ip4ReceiveFrame (IpIf, NULL, Ip4AccpetFrame, IpSb);\r | |
651 | \r | |
d0ccf55e | 652 | IpSb->State = IP4_SERVICE_UNSTARTED;\r |
1f6729ff | 653 | \r |
216f7970 | 654 | } else if (IsListEmpty (&IpSb->Children)) {\r |
c4a62a12 | 655 | State = IpSb->State;\r |
75dce340 | 656 | IpSb->State = IP4_SERVICE_DESTROY;\r |
772db4bb | 657 | \r |
c4a62a12 | 658 | //\r |
659 | // OK, clean other resources then uninstall the service binding protocol.\r | |
660 | //\r | |
661 | Status = Ip4CleanService (IpSb);\r | |
c4a62a12 | 662 | if (EFI_ERROR (Status)) {\r |
663 | IpSb->State = State;\r | |
664 | goto ON_ERROR;\r | |
665 | }\r | |
772db4bb | 666 | \r |
1f6729ff | 667 | gBS->UninstallMultipleProtocolInterfaces (\r |
c4a62a12 | 668 | NicHandle,\r |
669 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
1f6729ff | 670 | ServiceBinding,\r |
671 | &gEfiIp4Config2ProtocolGuid,\r | |
672 | &IpSb->Ip4Config2Instance.Ip4Config2,\r | |
673 | NULL\r | |
c4a62a12 | 674 | );\r |
216f7970 | 675 | \r |
676 | if (gIp4ControllerNameTable != NULL) {\r | |
677 | FreeUnicodeStringTable (gIp4ControllerNameTable);\r | |
678 | gIp4ControllerNameTable = NULL;\r | |
c4a62a12 | 679 | }\r |
766c7483 | 680 | FreePool (IpSb);\r |
c4a62a12 | 681 | }\r |
772db4bb | 682 | \r |
683 | ON_ERROR:\r | |
772db4bb | 684 | return Status;\r |
685 | }\r | |
686 | \r | |
687 | \r | |
688 | /**\r | |
3e8c18da | 689 | Creates a child handle and installs a protocol.\r |
e2851998 | 690 | \r |
691 | The CreateChild() function installs a protocol on ChildHandle.\r | |
692 | If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.\r | |
3e8c18da | 693 | If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.\r |
772db4bb | 694 | \r |
3e8c18da | 695 | @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r |
696 | @param ChildHandle Pointer to the handle of the child to create. If it is NULL,\r | |
e2851998 | 697 | then a new handle is created. If it is a pointer to an existing UEFI handle,\r |
3e8c18da | 698 | then the protocol is added to the existing UEFI handle.\r |
772db4bb | 699 | \r |
3e8c18da | 700 | @retval EFI_SUCCES The protocol was added to ChildHandle.\r |
5405e9a6 | 701 | @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r |
702 | @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\r | |
703 | the child\r | |
704 | @retval other The child handle was not created\r | |
772db4bb | 705 | \r |
706 | **/\r | |
707 | EFI_STATUS\r | |
708 | EFIAPI\r | |
709 | Ip4ServiceBindingCreateChild (\r | |
710 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
5405e9a6 | 711 | IN OUT EFI_HANDLE *ChildHandle\r |
772db4bb | 712 | )\r |
713 | {\r | |
714 | IP4_SERVICE *IpSb;\r | |
715 | IP4_PROTOCOL *IpInstance;\r | |
716 | EFI_TPL OldTpl;\r | |
717 | EFI_STATUS Status;\r | |
718 | VOID *Mnp;\r | |
719 | \r | |
720 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
721 | return EFI_INVALID_PARAMETER;\r | |
722 | }\r | |
723 | \r | |
724 | IpSb = IP4_SERVICE_FROM_PROTOCOL (This);\r | |
e48e37fc | 725 | IpInstance = AllocatePool (sizeof (IP4_PROTOCOL));\r |
772db4bb | 726 | \r |
727 | if (IpInstance == NULL) {\r | |
728 | return EFI_OUT_OF_RESOURCES;\r | |
729 | }\r | |
730 | \r | |
731 | Ip4InitProtocol (IpSb, IpInstance);\r | |
732 | \r | |
733 | //\r | |
734 | // Install Ip4 onto ChildHandle\r | |
735 | //\r | |
736 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
737 | ChildHandle,\r | |
738 | &gEfiIp4ProtocolGuid,\r | |
739 | &IpInstance->Ip4Proto,\r | |
740 | NULL\r | |
741 | );\r | |
742 | \r | |
743 | if (EFI_ERROR (Status)) {\r | |
744 | goto ON_ERROR;\r | |
745 | }\r | |
746 | \r | |
747 | IpInstance->Handle = *ChildHandle;\r | |
748 | \r | |
749 | //\r | |
750 | // Open the Managed Network protocol BY_CHILD.\r | |
751 | //\r | |
752 | Status = gBS->OpenProtocol (\r | |
753 | IpSb->MnpChildHandle,\r | |
754 | &gEfiManagedNetworkProtocolGuid,\r | |
755 | (VOID **) &Mnp,\r | |
756 | gIp4DriverBinding.DriverBindingHandle,\r | |
757 | IpInstance->Handle,\r | |
758 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
759 | );\r | |
760 | if (EFI_ERROR (Status)) {\r | |
761 | gBS->UninstallMultipleProtocolInterfaces (\r | |
762 | ChildHandle,\r | |
763 | &gEfiIp4ProtocolGuid,\r | |
764 | &IpInstance->Ip4Proto,\r | |
765 | NULL\r | |
766 | );\r | |
767 | \r | |
768 | goto ON_ERROR;\r | |
769 | }\r | |
770 | \r | |
771 | //\r | |
772 | // Insert it into the service binding instance.\r | |
773 | //\r | |
e48e37fc | 774 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
772db4bb | 775 | \r |
e48e37fc | 776 | InsertTailList (&IpSb->Children, &IpInstance->Link);\r |
772db4bb | 777 | IpSb->NumChildren++;\r |
778 | \r | |
e48e37fc | 779 | gBS->RestoreTPL (OldTpl);\r |
772db4bb | 780 | \r |
781 | ON_ERROR:\r | |
782 | \r | |
783 | if (EFI_ERROR (Status)) {\r | |
784 | \r | |
785 | Ip4CleanProtocol (IpInstance);\r | |
786 | \r | |
766c7483 | 787 | FreePool (IpInstance);\r |
772db4bb | 788 | }\r |
789 | \r | |
790 | return Status;\r | |
791 | }\r | |
792 | \r | |
793 | \r | |
794 | /**\r | |
3e8c18da | 795 | Destroys a child handle with a protocol installed on it.\r |
e2851998 | 796 | \r |
797 | The DestroyChild() function does the opposite of CreateChild(). It removes a protocol\r | |
798 | that was installed by CreateChild() from ChildHandle. If the removed protocol is the\r | |
3e8c18da | 799 | last protocol on ChildHandle, then ChildHandle is destroyed.\r |
772db4bb | 800 | \r |
3e8c18da | 801 | @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r |
5405e9a6 | 802 | @param ChildHandle Handle of the child to destroy\r |
803 | \r | |
3e8c18da | 804 | @retval EFI_SUCCES The protocol was removed from ChildHandle.\r |
805 | @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.\r | |
284ee2e8 | 806 | @retval EFI_INVALID_PARAMETER Child handle is NULL.\r |
3e8c18da | 807 | @retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle\r |
808 | because its services are being used.\r | |
5405e9a6 | 809 | @retval other The child handle was not destroyed\r |
772db4bb | 810 | \r |
811 | **/\r | |
812 | EFI_STATUS\r | |
813 | EFIAPI\r | |
814 | Ip4ServiceBindingDestroyChild (\r | |
815 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
816 | IN EFI_HANDLE ChildHandle\r | |
817 | )\r | |
818 | {\r | |
819 | EFI_STATUS Status;\r | |
820 | IP4_SERVICE *IpSb;\r | |
821 | IP4_PROTOCOL *IpInstance;\r | |
822 | EFI_IP4_PROTOCOL *Ip4;\r | |
823 | EFI_TPL OldTpl;\r | |
824 | INTN State;\r | |
825 | \r | |
826 | if ((This == NULL) || (ChildHandle == NULL)) {\r | |
827 | return EFI_INVALID_PARAMETER;\r | |
828 | }\r | |
829 | \r | |
830 | //\r | |
831 | // Retrieve the private context data structures\r | |
832 | //\r | |
833 | IpSb = IP4_SERVICE_FROM_PROTOCOL (This);\r | |
834 | \r | |
835 | Status = gBS->OpenProtocol (\r | |
836 | ChildHandle,\r | |
837 | &gEfiIp4ProtocolGuid,\r | |
838 | (VOID **) &Ip4,\r | |
839 | gIp4DriverBinding.DriverBindingHandle,\r | |
840 | ChildHandle,\r | |
841 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
842 | );\r | |
843 | \r | |
844 | if (EFI_ERROR (Status)) {\r | |
845 | return EFI_UNSUPPORTED;\r | |
846 | }\r | |
847 | \r | |
848 | IpInstance = IP4_INSTANCE_FROM_PROTOCOL (Ip4);\r | |
849 | \r | |
850 | if (IpInstance->Service != IpSb) {\r | |
851 | return EFI_INVALID_PARAMETER;\r | |
852 | }\r | |
853 | \r | |
e48e37fc | 854 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
772db4bb | 855 | \r |
856 | //\r | |
75dce340 | 857 | // A child can be destroyed more than once. For example,\r |
858 | // Ip4DriverBindingStop will destroy all of its children.\r | |
859 | // when UDP driver is being stopped, it will destroy all\r | |
772db4bb | 860 | // the IP child it opens.\r |
861 | //\r | |
75dce340 | 862 | if (IpInstance->State == IP4_STATE_DESTROY) {\r |
e48e37fc | 863 | gBS->RestoreTPL (OldTpl);\r |
772db4bb | 864 | return EFI_SUCCESS;\r |
865 | }\r | |
866 | \r | |
867 | State = IpInstance->State;\r | |
75dce340 | 868 | IpInstance->State = IP4_STATE_DESTROY;\r |
772db4bb | 869 | \r |
870 | //\r | |
871 | // Close the Managed Network protocol.\r | |
872 | //\r | |
873 | gBS->CloseProtocol (\r | |
874 | IpSb->MnpChildHandle,\r | |
875 | &gEfiManagedNetworkProtocolGuid,\r | |
876 | gIp4DriverBinding.DriverBindingHandle,\r | |
877 | ChildHandle\r | |
878 | );\r | |
879 | \r | |
216f7970 | 880 | if (IpInstance->Interface != NULL && IpInstance->Interface->Arp != NULL) {\r |
881 | gBS->CloseProtocol (\r | |
882 | IpInstance->Interface->ArpHandle,\r | |
883 | &gEfiArpProtocolGuid,\r | |
884 | gIp4DriverBinding.DriverBindingHandle,\r | |
885 | ChildHandle\r | |
886 | );\r | |
887 | }\r | |
888 | \r | |
772db4bb | 889 | //\r |
890 | // Uninstall the IP4 protocol first. Many thing happens during\r | |
891 | // this:\r | |
892 | // 1. The consumer of the IP4 protocol will be stopped if it\r | |
893 | // opens the protocol BY_DRIVER. For eaxmple, if MNP driver is\r | |
894 | // stopped, IP driver's stop function will be called, and uninstall\r | |
895 | // EFI_IP4_PROTOCOL will trigger the UDP's stop function. This\r | |
896 | // makes it possible to create the network stack bottom up, and\r | |
897 | // stop it top down.\r | |
898 | // 2. the upper layer will recycle the received packet. The recycle\r | |
899 | // event's TPL is higher than this function. The recycle events\r | |
900 | // will be called back before preceeding. If any packets not recycled,\r | |
901 | // that means there is a resource leak.\r | |
902 | //\r | |
216f7970 | 903 | gBS->RestoreTPL (OldTpl);\r |
772db4bb | 904 | Status = gBS->UninstallProtocolInterface (\r |
905 | ChildHandle,\r | |
906 | &gEfiIp4ProtocolGuid,\r | |
907 | &IpInstance->Ip4Proto\r | |
908 | );\r | |
216f7970 | 909 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
772db4bb | 910 | if (EFI_ERROR (Status)) {\r |
911 | goto ON_ERROR;\r | |
912 | }\r | |
913 | \r | |
914 | Status = Ip4CleanProtocol (IpInstance);\r | |
772db4bb | 915 | if (EFI_ERROR (Status)) {\r |
916 | gBS->InstallMultipleProtocolInterfaces (\r | |
917 | &ChildHandle,\r | |
918 | &gEfiIp4ProtocolGuid,\r | |
919 | Ip4,\r | |
920 | NULL\r | |
921 | );\r | |
922 | \r | |
923 | goto ON_ERROR;\r | |
924 | }\r | |
925 | \r | |
e48e37fc | 926 | RemoveEntryList (&IpInstance->Link);\r |
772db4bb | 927 | IpSb->NumChildren--;\r |
928 | \r | |
e48e37fc | 929 | gBS->RestoreTPL (OldTpl);\r |
772db4bb | 930 | \r |
766c7483 | 931 | FreePool (IpInstance);\r |
772db4bb | 932 | return EFI_SUCCESS;\r |
933 | \r | |
934 | ON_ERROR:\r | |
935 | IpInstance->State = State;\r | |
e48e37fc | 936 | gBS->RestoreTPL (OldTpl);\r |
772db4bb | 937 | \r |
938 | return Status;\r | |
939 | }\r |