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dc361cc5 | 1 | /** @file\r |
d59b8b55 | 2 | The driver binding for UEFI PXEBC protocol.\r |
7bc01e86 | 3 | \r |
c82291bc | 4 | Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials\r |
dc361cc5 | 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 | |
dc361cc5 | 13 | **/\r |
14 | \r | |
15 | \r | |
16 | #include "PxeBcImpl.h"\r | |
17 | \r | |
f737cfb9 | 18 | EFI_DRIVER_BINDING_PROTOCOL gPxeBcDriverBinding = {\r |
19 | PxeBcDriverBindingSupported,\r | |
20 | PxeBcDriverBindingStart,\r | |
21 | PxeBcDriverBindingStop,\r | |
22 | 0xa,\r | |
23 | NULL,\r | |
24 | NULL\r | |
25 | };\r | |
dc361cc5 | 26 | \r |
27 | /**\r | |
f737cfb9 | 28 | This is the declaration of an EFI image entry point. This entry point is\r |
29 | the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r | |
30 | both device drivers and bus drivers.\r | |
dc361cc5 | 31 | \r |
f737cfb9 | 32 | @param ImageHandle The firmware allocated handle for the UEFI image.\r |
33 | @param SystemTable A pointer to the EFI System Table.\r | |
dc361cc5 | 34 | \r |
f737cfb9 | 35 | @retval EFI_SUCCESS The operation completed successfully.\r |
36 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
dc361cc5 | 37 | \r |
38 | **/\r | |
39 | EFI_STATUS\r | |
6d3ea23f | 40 | EFIAPI\r |
dc361cc5 | 41 | PxeBcDriverEntryPoint (\r |
42 | IN EFI_HANDLE ImageHandle,\r | |
43 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
44 | )\r | |
45 | {\r | |
46 | return EfiLibInstallDriverBindingComponentName2 (\r | |
47 | ImageHandle,\r | |
48 | SystemTable,\r | |
49 | &gPxeBcDriverBinding,\r | |
50 | ImageHandle,\r | |
51 | &gPxeBcComponentName,\r | |
52 | &gPxeBcComponentName2\r | |
53 | );\r | |
54 | }\r | |
55 | \r | |
56 | \r | |
57 | /**\r | |
f737cfb9 | 58 | Test to see if this driver supports ControllerHandle. This service\r |
59 | is called by the EFI boot service ConnectController(). In\r | |
60 | order to make drivers as small as possible, there are a few calling\r | |
61 | restrictions for this service. ConnectController() must\r | |
62 | follow these calling restrictions. If any other agent wishes to call\r | |
7bc01e86 | 63 | Supported() it must also follow these calling restrictions.\r |
f737cfb9 | 64 | PxeBc requires DHCP4 and MTFTP4 protocols.\r |
65 | \r | |
66 | @param This Protocol instance pointer.\r | |
67 | @param ControllerHandle Handle of device to test\r | |
68 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
69 | device to start.\r | |
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 | |
dc361cc5 | 74 | \r |
75 | **/\r | |
76 | EFI_STATUS\r | |
77 | EFIAPI\r | |
78 | PxeBcDriverBindingSupported (\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_PXE_BASE_CODE_PROTOCOL *PxeBc;\r | |
85 | EFI_STATUS Status;\r | |
86 | \r | |
87 | Status = gBS->OpenProtocol (\r | |
88 | ControllerHandle,\r | |
89 | &gEfiPxeBaseCodeProtocolGuid,\r | |
90 | (VOID **) &PxeBc,\r | |
91 | This->DriverBindingHandle,\r | |
92 | ControllerHandle,\r | |
93 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
94 | );\r | |
95 | \r | |
96 | if (!EFI_ERROR (Status)) {\r | |
97 | return EFI_ALREADY_STARTED;\r | |
98 | }\r | |
99 | \r | |
100 | Status = gBS->OpenProtocol (\r | |
101 | ControllerHandle,\r | |
102 | &gEfiDhcp4ServiceBindingProtocolGuid,\r | |
103 | NULL,\r | |
104 | This->DriverBindingHandle,\r | |
105 | ControllerHandle,\r | |
106 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
107 | );\r | |
108 | \r | |
109 | if (!EFI_ERROR (Status)) {\r | |
110 | \r | |
111 | Status = gBS->OpenProtocol (\r | |
112 | ControllerHandle,\r | |
113 | &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
114 | NULL,\r | |
115 | This->DriverBindingHandle,\r | |
116 | ControllerHandle,\r | |
117 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
118 | );\r | |
119 | \r | |
120 | }\r | |
121 | \r | |
122 | return Status;\r | |
123 | }\r | |
124 | \r | |
125 | \r | |
126 | /**\r | |
f737cfb9 | 127 | Start this driver on ControllerHandle. This service is called by the\r |
128 | EFI boot service ConnectController(). In order to make\r | |
129 | drivers as small as possible, there are a few calling restrictions for\r | |
130 | this service. ConnectController() must follow these\r | |
131 | calling restrictions. If any other agent wishes to call Start() it\r | |
132 | must also follow these calling restrictions.\r | |
dc361cc5 | 133 | \r |
134 | @param This Protocol instance pointer.\r | |
135 | @param ControllerHandle Handle of device to bind driver to\r | |
136 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
137 | device to start.\r | |
138 | \r | |
f737cfb9 | 139 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r |
140 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
141 | @retval other This driver does not support this device\r | |
dc361cc5 | 142 | \r |
143 | **/\r | |
144 | EFI_STATUS\r | |
145 | EFIAPI\r | |
146 | PxeBcDriverBindingStart (\r | |
147 | IN EFI_DRIVER_BINDING_PROTOCOL * This,\r | |
148 | IN EFI_HANDLE ControllerHandle,\r | |
149 | IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL\r | |
150 | )\r | |
151 | {\r | |
152 | PXEBC_PRIVATE_DATA *Private;\r | |
153 | UINTN Index;\r | |
154 | EFI_STATUS Status;\r | |
fa6d3ee4 | 155 | EFI_IP4_MODE_DATA Ip4ModeData;\r |
dc361cc5 | 156 | \r |
e48e37fc | 157 | Private = AllocateZeroPool (sizeof (PXEBC_PRIVATE_DATA));\r |
dc361cc5 | 158 | if (Private == NULL) {\r |
159 | return EFI_OUT_OF_RESOURCES;\r | |
160 | }\r | |
161 | \r | |
162 | Private->Signature = PXEBC_PRIVATE_DATA_SIGNATURE;\r | |
163 | Private->Controller = ControllerHandle;\r | |
164 | Private->Image = This->DriverBindingHandle;\r | |
165 | CopyMem (&Private->PxeBc, &mPxeBcProtocolTemplate, sizeof (Private->PxeBc));\r | |
166 | Private->PxeBc.Mode = &Private->Mode;\r | |
167 | CopyMem (&Private->LoadFile, &mLoadFileProtocolTemplate, sizeof (Private->LoadFile));\r | |
168 | \r | |
169 | Private->ProxyOffer.Packet.Offer.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;\r | |
170 | Private->Dhcp4Ack.Packet.Ack.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;\r | |
171 | Private->PxeReply.Packet.Ack.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;\r | |
172 | \r | |
173 | for (Index = 0; Index < PXEBC_MAX_OFFER_NUM; Index++) {\r | |
174 | Private->Dhcp4Offers[Index].Packet.Offer.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;\r | |
175 | }\r | |
176 | \r | |
177 | //\r | |
169a3461 | 178 | // Get the NII interface if it exists.\r |
dc361cc5 | 179 | //\r |
180 | Status = gBS->OpenProtocol (\r | |
181 | ControllerHandle,\r | |
182 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
183 | (VOID **) &Private->Nii,\r | |
184 | This->DriverBindingHandle,\r | |
185 | ControllerHandle,\r | |
186 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
187 | );\r | |
188 | if (EFI_ERROR (Status)) {\r | |
169a3461 | 189 | Private->Nii = NULL;\r |
dc361cc5 | 190 | }\r |
191 | \r | |
8d285ec0 | 192 | Status = NetLibCreateServiceChild (\r |
193 | ControllerHandle,\r | |
194 | This->DriverBindingHandle,\r | |
195 | &gEfiArpServiceBindingProtocolGuid,\r | |
196 | &Private->ArpChild\r | |
197 | );\r | |
198 | if (EFI_ERROR (Status)) {\r | |
199 | goto ON_ERROR;\r | |
200 | }\r | |
201 | \r | |
202 | Status = gBS->OpenProtocol (\r | |
203 | Private->ArpChild,\r | |
204 | &gEfiArpProtocolGuid,\r | |
205 | (VOID **) &Private->Arp,\r | |
206 | This->DriverBindingHandle,\r | |
207 | ControllerHandle,\r | |
208 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
209 | );\r | |
210 | if (EFI_ERROR (Status)) {\r | |
211 | goto ON_ERROR;\r | |
212 | }\r | |
213 | \r | |
dc361cc5 | 214 | Status = NetLibCreateServiceChild (\r |
215 | ControllerHandle,\r | |
216 | This->DriverBindingHandle,\r | |
217 | &gEfiDhcp4ServiceBindingProtocolGuid,\r | |
218 | &Private->Dhcp4Child\r | |
219 | );\r | |
220 | if (EFI_ERROR (Status)) {\r | |
221 | goto ON_ERROR;\r | |
222 | }\r | |
223 | \r | |
224 | Status = gBS->OpenProtocol (\r | |
225 | Private->Dhcp4Child,\r | |
226 | &gEfiDhcp4ProtocolGuid,\r | |
227 | (VOID **) &Private->Dhcp4,\r | |
228 | This->DriverBindingHandle,\r | |
229 | ControllerHandle,\r | |
230 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
231 | );\r | |
232 | if (EFI_ERROR (Status)) {\r | |
233 | goto ON_ERROR;\r | |
234 | }\r | |
235 | \r | |
982a9eae | 236 | Status = NetLibCreateServiceChild (\r |
237 | ControllerHandle,\r | |
238 | This->DriverBindingHandle,\r | |
239 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
240 | &Private->Ip4Child\r | |
241 | );\r | |
242 | if (EFI_ERROR (Status)) {\r | |
243 | goto ON_ERROR;\r | |
244 | }\r | |
245 | \r | |
246 | Status = gBS->OpenProtocol (\r | |
247 | Private->Ip4Child,\r | |
248 | &gEfiIp4ProtocolGuid,\r | |
249 | (VOID **) &Private->Ip4,\r | |
250 | This->DriverBindingHandle,\r | |
251 | ControllerHandle,\r | |
252 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
253 | );\r | |
254 | if (EFI_ERROR (Status)) {\r | |
255 | goto ON_ERROR;\r | |
256 | }\r | |
fa6d3ee4 | 257 | |
258 | // | |
259 | // Get max packet size from Ip4 to calculate block size for Tftp later.\r | |
260 | // | |
261 | Status = Private->Ip4->GetModeData (Private->Ip4, &Ip4ModeData, NULL, NULL); | |
262 | if (EFI_ERROR (Status)) { | |
7bc01e86 | 263 | goto ON_ERROR; |
fa6d3ee4 | 264 | } |
265 | ||
266 | Private->Ip4MaxPacketSize = Ip4ModeData.MaxPacketSize;\r | |
982a9eae | 267 | \r |
dc361cc5 | 268 | Status = NetLibCreateServiceChild (\r |
269 | ControllerHandle,\r | |
270 | This->DriverBindingHandle,\r | |
271 | &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
272 | &Private->Mtftp4Child\r | |
273 | );\r | |
274 | \r | |
275 | if (EFI_ERROR (Status)) {\r | |
276 | goto ON_ERROR;\r | |
277 | }\r | |
278 | \r | |
279 | Status = gBS->OpenProtocol (\r | |
280 | Private->Mtftp4Child,\r | |
281 | &gEfiMtftp4ProtocolGuid,\r | |
282 | (VOID **) &Private->Mtftp4,\r | |
283 | This->DriverBindingHandle,\r | |
284 | ControllerHandle,\r | |
285 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
286 | );\r | |
287 | \r | |
288 | if (EFI_ERROR (Status)) {\r | |
289 | goto ON_ERROR;\r | |
290 | }\r | |
291 | \r | |
292 | Status = NetLibCreateServiceChild (\r | |
293 | ControllerHandle,\r | |
294 | This->DriverBindingHandle,\r | |
295 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
8792362f | 296 | &Private->Udp4ReadChild\r |
dc361cc5 | 297 | );\r |
298 | \r | |
299 | if (EFI_ERROR (Status)) {\r | |
300 | goto ON_ERROR;\r | |
301 | }\r | |
302 | \r | |
8792362f | 303 | //\r |
304 | // The UDP instance for EfiPxeBcUdpRead\r | |
305 | //\r | |
dc361cc5 | 306 | Status = gBS->OpenProtocol (\r |
8792362f | 307 | Private->Udp4ReadChild,\r |
dc361cc5 | 308 | &gEfiUdp4ProtocolGuid,\r |
8792362f | 309 | (VOID **) &Private->Udp4Read,\r |
dc361cc5 | 310 | This->DriverBindingHandle,\r |
311 | ControllerHandle,\r | |
312 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
313 | );\r | |
314 | \r | |
315 | if (EFI_ERROR (Status)) {\r | |
316 | goto ON_ERROR;\r | |
317 | }\r | |
318 | \r | |
8792362f | 319 | //\r |
320 | // The UDP instance for EfiPxeBcUdpWrite\r | |
321 | //\r | |
322 | Status = NetLibCreateServiceChild (\r | |
7bc01e86 | 323 | ControllerHandle,\r |
8792362f | 324 | This->DriverBindingHandle,\r |
325 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
326 | &Private->Udp4WriteChild\r | |
327 | );\r | |
328 | if (EFI_ERROR (Status)) {\r | |
329 | goto ON_ERROR;\r | |
330 | }\r | |
331 | \r | |
332 | Status = gBS->OpenProtocol (\r | |
333 | Private->Udp4WriteChild,\r | |
334 | &gEfiUdp4ProtocolGuid,\r | |
335 | (VOID **) &Private->Udp4Write,\r | |
336 | This->DriverBindingHandle,\r | |
337 | ControllerHandle,\r | |
338 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
339 | );\r | |
340 | if (EFI_ERROR (Status)) {\r | |
341 | goto ON_ERROR;\r | |
342 | }\r | |
e48e37fc | 343 | ZeroMem (&Private->Udp4CfgData, sizeof (EFI_UDP4_CONFIG_DATA));\r |
c82291bc | 344 | Private->Udp4CfgData.AcceptBroadcast = FALSE;\r |
dc361cc5 | 345 | Private->Udp4CfgData.AcceptPromiscuous = FALSE;\r |
8792362f | 346 | Private->Udp4CfgData.AcceptAnyPort = TRUE;\r |
dc361cc5 | 347 | Private->Udp4CfgData.AllowDuplicatePort = TRUE;\r |
348 | Private->Udp4CfgData.TypeOfService = DEFAULT_ToS;\r | |
349 | Private->Udp4CfgData.TimeToLive = DEFAULT_TTL;\r | |
350 | Private->Udp4CfgData.DoNotFragment = FALSE;\r | |
7bc01e86 | 351 | Private->Udp4CfgData.ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;\r |
dc361cc5 | 352 | Private->Udp4CfgData.UseDefaultAddress = FALSE;\r |
353 | \r | |
8792362f | 354 | PxeBcInitSeedPacket (&Private->SeedPacket, Private->Udp4Read);\r |
982a9eae | 355 | Private->MacLen = Private->SeedPacket.Dhcp4.Header.HwAddrLen;\r |
356 | CopyMem (&Private->Mac, &Private->SeedPacket.Dhcp4.Header.ClientHwAddr[0], Private->MacLen);\r | |
357 | \r | |
358 | \r | |
359 | ZeroMem (&Private->Ip4ConfigData, sizeof (EFI_IP4_CONFIG_DATA));\r | |
360 | Private->Ip4ConfigData.DefaultProtocol = EFI_IP_PROTO_ICMP;\r | |
361 | Private->Ip4ConfigData.AcceptIcmpErrors = TRUE;\r | |
362 | Private->Ip4ConfigData.TypeOfService = DEFAULT_ToS;\r | |
363 | Private->Ip4ConfigData.TimeToLive = DEFAULT_TTL;\r | |
364 | Private->Ip4ConfigData.DoNotFragment = FALSE;\r | |
365 | Private->Ip4ConfigData.RawData = FALSE;\r | |
dc361cc5 | 366 | \r |
367 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
368 | &ControllerHandle,\r | |
369 | &gEfiPxeBaseCodeProtocolGuid,\r | |
370 | &Private->PxeBc,\r | |
371 | &gEfiLoadFileProtocolGuid,\r | |
372 | &Private->LoadFile,\r | |
373 | NULL\r | |
374 | );\r | |
375 | if (EFI_ERROR (Status)) {\r | |
376 | goto ON_ERROR;\r | |
377 | }\r | |
378 | \r | |
379 | return EFI_SUCCESS;\r | |
380 | \r | |
381 | ON_ERROR:\r | |
382 | \r | |
8792362f | 383 | if (Private->Udp4WriteChild != NULL) {\r |
384 | gBS->CloseProtocol (\r | |
385 | Private->Udp4WriteChild,\r | |
386 | &gEfiUdp4ProtocolGuid,\r | |
387 | This->DriverBindingHandle,\r | |
388 | ControllerHandle\r | |
389 | );\r | |
390 | NetLibDestroyServiceChild (\r | |
391 | ControllerHandle,\r | |
392 | This->DriverBindingHandle,\r | |
393 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
394 | Private->Udp4WriteChild\r | |
395 | );\r | |
396 | }\r | |
397 | \r | |
398 | if (Private->Udp4ReadChild != NULL) {\r | |
dc361cc5 | 399 | gBS->CloseProtocol (\r |
8792362f | 400 | Private->Udp4ReadChild,\r |
dc361cc5 | 401 | &gEfiUdp4ProtocolGuid,\r |
402 | This->DriverBindingHandle,\r | |
403 | ControllerHandle\r | |
404 | );\r | |
405 | NetLibDestroyServiceChild (\r | |
406 | ControllerHandle,\r | |
407 | This->DriverBindingHandle,\r | |
51dc1f65 | 408 | &gEfiUdp4ServiceBindingProtocolGuid,\r |
8792362f | 409 | Private->Udp4ReadChild\r |
dc361cc5 | 410 | );\r |
411 | }\r | |
412 | \r | |
413 | if (Private->Mtftp4Child != NULL) {\r | |
414 | gBS->CloseProtocol (\r | |
415 | Private->Mtftp4Child,\r | |
416 | &gEfiMtftp4ProtocolGuid,\r | |
417 | This->DriverBindingHandle,\r | |
418 | ControllerHandle\r | |
419 | );\r | |
420 | \r | |
421 | NetLibDestroyServiceChild (\r | |
422 | ControllerHandle,\r | |
423 | This->DriverBindingHandle,\r | |
51dc1f65 | 424 | &gEfiMtftp4ServiceBindingProtocolGuid,\r |
dc361cc5 | 425 | Private->Mtftp4Child\r |
426 | );\r | |
427 | }\r | |
428 | \r | |
982a9eae | 429 | if (Private->Ip4Child != NULL) {\r |
430 | gBS->CloseProtocol (\r | |
431 | Private->Ip4Child,\r | |
432 | &gEfiIp4ProtocolGuid,\r | |
433 | This->DriverBindingHandle,\r | |
434 | ControllerHandle\r | |
435 | );\r | |
436 | \r | |
437 | NetLibDestroyServiceChild (\r | |
438 | ControllerHandle,\r | |
439 | This->DriverBindingHandle,\r | |
440 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
441 | Private->Ip4Child\r | |
442 | );\r | |
443 | }\r | |
444 | \r | |
dc361cc5 | 445 | if (Private->Dhcp4Child != NULL) {\r |
446 | gBS->CloseProtocol (\r | |
447 | Private->Dhcp4Child,\r | |
448 | &gEfiDhcp4ProtocolGuid,\r | |
449 | This->DriverBindingHandle,\r | |
450 | ControllerHandle\r | |
451 | );\r | |
452 | \r | |
453 | NetLibDestroyServiceChild (\r | |
454 | ControllerHandle,\r | |
455 | This->DriverBindingHandle,\r | |
51dc1f65 | 456 | &gEfiDhcp4ServiceBindingProtocolGuid,\r |
dc361cc5 | 457 | Private->Dhcp4Child\r |
458 | );\r | |
459 | }\r | |
460 | \r | |
8d285ec0 | 461 | if (Private->ArpChild != NULL) {\r |
462 | gBS->CloseProtocol (\r | |
463 | Private->ArpChild,\r | |
464 | &gEfiArpProtocolGuid,\r | |
465 | This->DriverBindingHandle,\r | |
466 | ControllerHandle\r | |
467 | );\r | |
468 | \r | |
469 | NetLibDestroyServiceChild (\r | |
470 | ControllerHandle,\r | |
471 | This->DriverBindingHandle,\r | |
472 | &gEfiArpServiceBindingProtocolGuid,\r | |
473 | Private->ArpChild\r | |
474 | );\r | |
475 | }\r | |
476 | \r | |
766c7483 | 477 | FreePool (Private);\r |
dc361cc5 | 478 | \r |
479 | return Status;\r | |
480 | }\r | |
481 | \r | |
482 | \r | |
483 | /**\r | |
f737cfb9 | 484 | Stop this driver on ControllerHandle. This service is called by the\r |
485 | EFI boot service DisconnectController(). In order to\r | |
486 | make drivers as small as possible, there are a few calling\r | |
487 | restrictions for this service. DisconnectController()\r | |
488 | must follow these calling restrictions. If any other agent wishes\r | |
489 | to call Stop() it must also follow these calling restrictions.\r | |
7bc01e86 | 490 | \r |
f737cfb9 | 491 | @param This Protocol instance pointer.\r |
492 | @param ControllerHandle Handle of device to stop driver on\r | |
493 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
494 | children is zero stop the entire bus driver.\r | |
495 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
496 | \r | |
497 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
498 | @retval other This driver was not removed from this device\r | |
dc361cc5 | 499 | \r |
500 | **/\r | |
501 | EFI_STATUS\r | |
502 | EFIAPI\r | |
503 | PxeBcDriverBindingStop (\r | |
504 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
505 | IN EFI_HANDLE ControllerHandle,\r | |
506 | IN UINTN NumberOfChildren,\r | |
507 | IN EFI_HANDLE *ChildHandleBuffer\r | |
508 | )\r | |
509 | {\r | |
510 | PXEBC_PRIVATE_DATA *Private;\r | |
511 | EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;\r | |
512 | EFI_HANDLE NicHandle;\r | |
513 | EFI_STATUS Status;\r | |
514 | \r | |
7d7a8ea2 | 515 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiArpProtocolGuid);\r |
dc361cc5 | 516 | if (NicHandle == NULL) {\r |
7d7a8ea2 | 517 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);\r |
dc361cc5 | 518 | \r |
519 | if (NicHandle == NULL) {\r | |
aa6c4e3c | 520 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);\r |
7d7a8ea2 | 521 | \r |
522 | if (NicHandle == NULL) {\r | |
aa6c4e3c | 523 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp4ProtocolGuid);\r |
7d7a8ea2 | 524 | \r |
aa6c4e3c | 525 | if (NicHandle == NULL) {\r |
526 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiMtftp4ProtocolGuid);\r | |
7d7a8ea2 | 527 | \r |
aa6c4e3c | 528 | if (NicHandle == NULL) {\r |
529 | return EFI_DEVICE_ERROR;\r | |
530 | }\r | |
531 | }\r | |
7d7a8ea2 | 532 | }\r |
dc361cc5 | 533 | }\r |
534 | }\r | |
535 | \r | |
536 | Status = gBS->OpenProtocol (\r | |
537 | NicHandle,\r | |
538 | &gEfiPxeBaseCodeProtocolGuid,\r | |
539 | (VOID **) &PxeBc,\r | |
540 | This->DriverBindingHandle,\r | |
541 | ControllerHandle,\r | |
542 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
543 | );\r | |
544 | \r | |
545 | if (EFI_ERROR (Status)) {\r | |
546 | return Status;\r | |
547 | }\r | |
7bc01e86 | 548 | \r |
8f8bfa5b | 549 | //\r |
550 | // Stop functionality of PXE Base Code protocol\r | |
551 | //\r | |
552 | Status = PxeBc->Stop (PxeBc);\r | |
553 | if (Status != EFI_SUCCESS && Status != EFI_NOT_STARTED) {\r | |
554 | return Status;\r | |
555 | }\r | |
dc361cc5 | 556 | \r |
557 | Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (PxeBc);\r | |
558 | \r | |
559 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
560 | NicHandle,\r | |
561 | &gEfiPxeBaseCodeProtocolGuid,\r | |
562 | &Private->PxeBc,\r | |
563 | &gEfiLoadFileProtocolGuid,\r | |
564 | &Private->LoadFile,\r | |
565 | NULL\r | |
566 | );\r | |
567 | \r | |
568 | if (!EFI_ERROR (Status)) {\r | |
569 | \r | |
570 | gBS->CloseProtocol (\r | |
8792362f | 571 | Private->Udp4WriteChild,\r |
572 | &gEfiUdp4ProtocolGuid,\r | |
573 | This->DriverBindingHandle,\r | |
574 | NicHandle\r | |
575 | );\r | |
576 | NetLibDestroyServiceChild (\r | |
577 | ControllerHandle,\r | |
578 | This->DriverBindingHandle,\r | |
579 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
580 | Private->Udp4WriteChild\r | |
581 | );\r | |
582 | \r | |
583 | gBS->CloseProtocol (\r | |
584 | Private->Udp4ReadChild,\r | |
dc361cc5 | 585 | &gEfiUdp4ProtocolGuid,\r |
586 | This->DriverBindingHandle,\r | |
51dc1f65 | 587 | NicHandle\r |
dc361cc5 | 588 | );\r |
589 | NetLibDestroyServiceChild (\r | |
51dc1f65 | 590 | NicHandle,\r |
dc361cc5 | 591 | This->DriverBindingHandle,\r |
592 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
8792362f | 593 | Private->Udp4ReadChild\r |
dc361cc5 | 594 | );\r |
595 | \r | |
596 | gBS->CloseProtocol (\r | |
597 | Private->Dhcp4Child,\r | |
598 | &gEfiDhcp4ProtocolGuid,\r | |
599 | This->DriverBindingHandle,\r | |
51dc1f65 | 600 | NicHandle\r |
dc361cc5 | 601 | );\r |
602 | NetLibDestroyServiceChild (\r | |
51dc1f65 | 603 | NicHandle,\r |
dc361cc5 | 604 | This->DriverBindingHandle,\r |
605 | &gEfiDhcp4ServiceBindingProtocolGuid,\r | |
606 | Private->Dhcp4Child\r | |
607 | );\r | |
608 | \r | |
609 | gBS->CloseProtocol (\r | |
610 | Private->Mtftp4Child,\r | |
611 | &gEfiMtftp4ProtocolGuid,\r | |
612 | This->DriverBindingHandle,\r | |
51dc1f65 | 613 | NicHandle\r |
dc361cc5 | 614 | );\r |
615 | NetLibDestroyServiceChild (\r | |
51dc1f65 | 616 | NicHandle,\r |
dc361cc5 | 617 | This->DriverBindingHandle,\r |
618 | &gEfiMtftp4ServiceBindingProtocolGuid,\r | |
619 | Private->Mtftp4Child\r | |
620 | );\r | |
621 | \r | |
aa6c4e3c | 622 | gBS->CloseProtocol (\r |
623 | Private->Ip4Child,\r | |
624 | &gEfiIp4ProtocolGuid,\r | |
625 | This->DriverBindingHandle,\r | |
626 | NicHandle\r | |
627 | );\r | |
628 | NetLibDestroyServiceChild (\r | |
629 | NicHandle,\r | |
630 | This->DriverBindingHandle,\r | |
631 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
632 | Private->Ip4Child\r | |
633 | );\r | |
634 | \r | |
8d285ec0 | 635 | gBS->CloseProtocol (\r |
636 | Private->ArpChild,\r | |
637 | &gEfiArpProtocolGuid,\r | |
638 | This->DriverBindingHandle,\r | |
639 | NicHandle\r | |
640 | );\r | |
641 | NetLibDestroyServiceChild (\r | |
642 | NicHandle,\r | |
643 | This->DriverBindingHandle,\r | |
644 | &gEfiArpServiceBindingProtocolGuid,\r | |
645 | Private->ArpChild\r | |
646 | );\r | |
647 | \r | |
766c7483 | 648 | FreePool (Private);\r |
dc361cc5 | 649 | }\r |
650 | \r | |
651 | return Status;\r | |
652 | }\r | |
653 | \r | |
dc361cc5 | 654 | \r |