]>
Commit | Line | Data |
---|---|---|
a15a4195 | 1 | /** @file\r |
894d038a | 2 | Implementation of driver entry point and driver binding protocol.\r |
e2851998 | 3 | \r |
523f48e7 | 4 | Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials are licensed\r |
e2851998 | 6 | and made available under the terms and conditions of the BSD License which\r |
7 | accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
a15a4195 | 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 | |
a15a4195 | 13 | **/\r |
14 | \r | |
15 | #include "Snp.h"\r | |
16 | \r | |
0428a6cb | 17 | /**\r |
18 | One notified function to stop UNDI device when gBS->ExitBootServices() called.\r | |
19 | \r | |
20 | @param Event Pointer to this event\r | |
e3644786 | 21 | @param Context Event handler private data\r |
0428a6cb | 22 | \r |
23 | **/\r | |
24 | VOID\r | |
25 | EFIAPI\r | |
26 | SnpNotifyExitBootServices (\r | |
27 | EFI_EVENT Event,\r | |
28 | VOID *Context\r | |
29 | )\r | |
30 | {\r | |
31 | SNP_DRIVER *Snp;\r | |
32 | \r | |
33 | Snp = (SNP_DRIVER *)Context;\r | |
34 | \r | |
35 | //\r | |
36 | // Shutdown and stop UNDI driver\r | |
37 | //\r | |
38 | PxeShutdown (Snp);\r | |
39 | PxeStop (Snp);\r | |
40 | }\r | |
a15a4195 | 41 | \r |
42 | /**\r | |
f3816027 | 43 | Send command to UNDI. It does nothing currently.\r |
e2851998 | 44 | \r |
4cda7726 | 45 | @param Cdb command to be sent to UNDI.\r |
e2851998 | 46 | \r |
47 | @retval EFI_INVALID_PARAMETER The command is 0.\r | |
48 | @retval EFI_UNSUPPORTED Default return status because it's not\r | |
f3816027 | 49 | supported currently.\r |
e2851998 | 50 | \r |
a15a4195 | 51 | **/\r |
52 | EFI_STATUS\r | |
9c9f5859 | 53 | EFIAPI\r |
4cda7726 | 54 | IssueHwUndiCommand (\r |
55 | UINT64 Cdb\r | |
a15a4195 | 56 | )\r |
57 | {\r | |
4cda7726 | 58 | DEBUG ((EFI_D_ERROR, "\nIssueHwUndiCommand() - This should not be called!"));\r |
a15a4195 | 59 | \r |
4cda7726 | 60 | if (Cdb == 0) {\r |
a15a4195 | 61 | return EFI_INVALID_PARAMETER;\r |
62 | \r | |
63 | }\r | |
64 | //\r | |
65 | // %%TBD - For now, nothing is done.\r | |
66 | //\r | |
67 | return EFI_UNSUPPORTED;\r | |
68 | }\r | |
69 | \r | |
70 | \r | |
71 | /**\r | |
72 | Compute 8-bit checksum of a buffer.\r | |
73 | \r | |
4cda7726 | 74 | @param Buffer Pointer to buffer.\r |
75 | @param Length Length of buffer in bytes.\r | |
a15a4195 | 76 | \r |
e2851998 | 77 | @return 8-bit checksum of all bytes in buffer, or zero if ptr is NULL or len\r |
f3816027 | 78 | is zero.\r |
a15a4195 | 79 | \r |
80 | **/\r | |
a15a4195 | 81 | UINT8\r |
4cda7726 | 82 | Calc8BitCksum (\r |
83 | VOID *Buffer,\r | |
84 | UINTN Length\r | |
a15a4195 | 85 | )\r |
86 | {\r | |
4cda7726 | 87 | UINT8 *Ptr;\r |
88 | UINT8 Cksum;\r | |
a15a4195 | 89 | \r |
4cda7726 | 90 | Ptr = Buffer;\r |
91 | Cksum = 0;\r | |
a15a4195 | 92 | \r |
4cda7726 | 93 | if (Ptr == NULL || Length == 0) {\r |
a15a4195 | 94 | return 0;\r |
95 | }\r | |
96 | \r | |
4cda7726 | 97 | while (Length-- != 0) {\r |
98 | Cksum = (UINT8) (Cksum + *Ptr++);\r | |
a15a4195 | 99 | }\r |
100 | \r | |
4cda7726 | 101 | return Cksum;\r |
a15a4195 | 102 | }\r |
103 | \r | |
a15a4195 | 104 | /**\r |
4cda7726 | 105 | Test to see if this driver supports ControllerHandle. This service\r |
106 | is called by the EFI boot service ConnectController(). In\r | |
107 | order to make drivers as small as possible, there are a few calling\r | |
108 | restrictions for this service. ConnectController() must\r | |
109 | follow these calling restrictions. If any other agent wishes to call\r | |
110 | Supported() it must also follow these calling restrictions.\r | |
111 | \r | |
112 | @param This Protocol instance pointer.\r | |
f3816027 | 113 | @param ControllerHandle Handle of device to test.\r |
4cda7726 | 114 | @param RemainingDevicePath Optional parameter use to pick a specific child\r |
115 | device to start.\r | |
116 | \r | |
f3816027 | 117 | @retval EFI_SUCCESS This driver supports this device.\r |
118 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
119 | @retval other This driver does not support this device.\r | |
a15a4195 | 120 | \r |
121 | **/\r | |
122 | EFI_STATUS\r | |
123 | EFIAPI\r | |
124 | SimpleNetworkDriverSupported (\r | |
125 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
126 | IN EFI_HANDLE Controller,\r | |
127 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
128 | )\r | |
129 | {\r | |
130 | EFI_STATUS Status;\r | |
131 | EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol;\r | |
4cda7726 | 132 | PXE_UNDI *Pxe;\r |
a15a4195 | 133 | \r |
134 | Status = gBS->OpenProtocol (\r | |
135 | Controller,\r | |
136 | &gEfiDevicePathProtocolGuid,\r | |
137 | NULL,\r | |
138 | This->DriverBindingHandle,\r | |
139 | Controller,\r | |
140 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
141 | );\r | |
142 | if (EFI_ERROR (Status)) {\r | |
143 | return Status;\r | |
144 | }\r | |
145 | \r | |
146 | Status = gBS->OpenProtocol (\r | |
147 | Controller,\r | |
148 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
149 | (VOID **) &NiiProtocol,\r | |
150 | This->DriverBindingHandle,\r | |
151 | Controller,\r | |
152 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
153 | );\r | |
154 | \r | |
155 | if (EFI_ERROR (Status)) {\r | |
156 | if (Status == EFI_ALREADY_STARTED) {\r | |
0e549d5b | 157 | DEBUG ((EFI_D_INFO, "Support(): Already Started. on handle %p\n", Controller));\r |
a15a4195 | 158 | }\r |
159 | return Status;\r | |
160 | }\r | |
161 | \r | |
0e549d5b | 162 | DEBUG ((EFI_D_INFO, "Support(): UNDI3.1 found on handle %p\n", Controller));\r |
a15a4195 | 163 | \r |
164 | //\r | |
165 | // check the version, we don't want to connect to the undi16\r | |
166 | //\r | |
167 | if (NiiProtocol->Type != EfiNetworkInterfaceUndi) {\r | |
168 | Status = EFI_UNSUPPORTED;\r | |
169 | goto Done;\r | |
170 | }\r | |
171 | //\r | |
172 | // Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.\r | |
173 | //\r | |
e2851998 | 174 | if ((NiiProtocol->Id & 0x0F) != 0) {\r |
9cff2f8d | 175 | DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n"));\r |
a15a4195 | 176 | Status = EFI_UNSUPPORTED;\r |
177 | goto Done;\r | |
178 | }\r | |
179 | \r | |
bdc82513 | 180 | Pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->Id);\r |
a15a4195 | 181 | \r |
182 | //\r | |
183 | // Verify !PXE revisions.\r | |
184 | //\r | |
4cda7726 | 185 | if (Pxe->hw.Signature != PXE_ROMID_SIGNATURE) {\r |
9cff2f8d | 186 | DEBUG ((EFI_D_NET, "\n!PXE signature is not valid.\n"));\r |
a15a4195 | 187 | Status = EFI_UNSUPPORTED;\r |
188 | goto Done;\r | |
189 | }\r | |
190 | \r | |
4cda7726 | 191 | if (Pxe->hw.Rev < PXE_ROMID_REV) {\r |
9cff2f8d | 192 | DEBUG ((EFI_D_NET, "\n!PXE.Rev is not supported.\n"));\r |
a15a4195 | 193 | Status = EFI_UNSUPPORTED;\r |
194 | goto Done;\r | |
195 | }\r | |
196 | \r | |
4cda7726 | 197 | if (Pxe->hw.MajorVer < PXE_ROMID_MAJORVER) {\r |
a15a4195 | 198 | \r |
9cff2f8d | 199 | DEBUG ((EFI_D_NET, "\n!PXE.MajorVer is not supported.\n"));\r |
a15a4195 | 200 | Status = EFI_UNSUPPORTED;\r |
201 | goto Done;\r | |
202 | \r | |
4cda7726 | 203 | } else if (Pxe->hw.MajorVer == PXE_ROMID_MAJORVER && Pxe->hw.MinorVer < PXE_ROMID_MINORVER) {\r |
9cff2f8d | 204 | DEBUG ((EFI_D_NET, "\n!PXE.MinorVer is not supported."));\r |
a15a4195 | 205 | Status = EFI_UNSUPPORTED;\r |
206 | goto Done;\r | |
207 | }\r | |
208 | //\r | |
209 | // Do S/W UNDI specific checks.\r | |
210 | //\r | |
4cda7726 | 211 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) == 0) {\r |
212 | if (Pxe->sw.EntryPoint < Pxe->sw.Len) {\r | |
9cff2f8d | 213 | DEBUG ((EFI_D_NET, "\n!PXE S/W entry point is not valid."));\r |
a15a4195 | 214 | Status = EFI_UNSUPPORTED;\r |
215 | goto Done;\r | |
216 | }\r | |
217 | \r | |
4cda7726 | 218 | if (Pxe->sw.BusCnt == 0) {\r |
9cff2f8d | 219 | DEBUG ((EFI_D_NET, "\n!PXE.BusCnt is zero."));\r |
a15a4195 | 220 | Status = EFI_UNSUPPORTED;\r |
221 | goto Done;\r | |
222 | }\r | |
223 | }\r | |
224 | \r | |
225 | Status = EFI_SUCCESS;\r | |
0e549d5b | 226 | DEBUG ((EFI_D_INFO, "Support(): supported on %p\n", Controller));\r |
a15a4195 | 227 | \r |
228 | Done:\r | |
229 | gBS->CloseProtocol (\r | |
230 | Controller,\r | |
231 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
232 | This->DriverBindingHandle,\r | |
233 | Controller\r | |
234 | );\r | |
235 | \r | |
236 | return Status;\r | |
237 | }\r | |
238 | \r | |
a15a4195 | 239 | /**\r |
4cda7726 | 240 | Start this driver on ControllerHandle. This service is called by the\r |
241 | EFI boot service ConnectController(). In order to make\r | |
242 | drivers as small as possible, there are a few calling restrictions for\r | |
243 | this service. ConnectController() must follow these\r | |
244 | calling restrictions. If any other agent wishes to call Start() it\r | |
245 | must also follow these calling restrictions.\r | |
a15a4195 | 246 | \r |
247 | @param This Protocol instance pointer.\r | |
4cda7726 | 248 | @param ControllerHandle Handle of device to bind driver to.\r |
249 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
250 | device to start.\r | |
a15a4195 | 251 | \r |
4cda7726 | 252 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r |
469462b1 | 253 | @retval EFI_DEVICE_ERROR This driver could not be started due to a device error\r |
4cda7726 | 254 | @retval other This driver does not support this device\r |
a15a4195 | 255 | \r |
256 | **/\r | |
257 | EFI_STATUS\r | |
258 | EFIAPI\r | |
259 | SimpleNetworkDriverStart (\r | |
260 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
261 | IN EFI_HANDLE Controller,\r | |
262 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
263 | )\r | |
264 | {\r | |
265 | EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;\r | |
266 | EFI_DEVICE_PATH_PROTOCOL *NiiDevicePath;\r | |
267 | EFI_STATUS Status;\r | |
4cda7726 | 268 | PXE_UNDI *Pxe;\r |
269 | SNP_DRIVER *Snp;\r | |
270 | VOID *Address;\r | |
a15a4195 | 271 | EFI_HANDLE Handle;\r |
a15a4195 | 272 | UINT8 BarIndex;\r |
273 | PXE_STATFLAGS InitStatFlags;\r | |
c4a7d208 FS |
274 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
275 | EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *BarDesc;\r | |
276 | \r | |
9cff2f8d | 277 | DEBUG ((EFI_D_NET, "\nSnpNotifyNetworkInterfaceIdentifier() "));\r |
a15a4195 | 278 | \r |
279 | Status = gBS->OpenProtocol (\r | |
280 | Controller,\r | |
281 | &gEfiDevicePathProtocolGuid,\r | |
282 | (VOID **) &NiiDevicePath,\r | |
283 | This->DriverBindingHandle,\r | |
284 | Controller,\r | |
285 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
286 | );\r | |
287 | \r | |
288 | if (EFI_ERROR (Status)) {\r | |
289 | return Status;\r | |
290 | }\r | |
291 | \r | |
292 | Status = gBS->LocateDevicePath (\r | |
293 | &gEfiPciIoProtocolGuid,\r | |
294 | &NiiDevicePath,\r | |
295 | &Handle\r | |
296 | );\r | |
297 | \r | |
298 | if (EFI_ERROR (Status)) {\r | |
299 | return Status;\r | |
300 | }\r | |
301 | \r | |
302 | Status = gBS->OpenProtocol (\r | |
303 | Handle,\r | |
304 | &gEfiPciIoProtocolGuid,\r | |
c4a7d208 | 305 | (VOID **) &PciIo,\r |
a15a4195 | 306 | This->DriverBindingHandle,\r |
307 | Controller,\r | |
308 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
309 | );\r | |
310 | if (EFI_ERROR (Status)) {\r | |
311 | return Status;\r | |
312 | }\r | |
313 | //\r | |
314 | // Get the NII interface.\r | |
315 | //\r | |
316 | Status = gBS->OpenProtocol (\r | |
317 | Controller,\r | |
318 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
319 | (VOID **) &Nii,\r | |
320 | This->DriverBindingHandle,\r | |
321 | Controller,\r | |
322 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
323 | );\r | |
324 | if (EFI_ERROR (Status)) {\r | |
325 | gBS->CloseProtocol (\r | |
326 | Controller,\r | |
327 | &gEfiDevicePathProtocolGuid,\r | |
328 | This->DriverBindingHandle,\r | |
329 | Controller\r | |
330 | );\r | |
331 | return Status;\r | |
332 | }\r | |
333 | \r | |
334 | DEBUG ((EFI_D_INFO, "Start(): UNDI3.1 found\n"));\r | |
335 | \r | |
bdc82513 | 336 | Pxe = (PXE_UNDI *) (UINTN) (Nii->Id);\r |
a15a4195 | 337 | \r |
4cda7726 | 338 | if (Calc8BitCksum (Pxe, Pxe->hw.Len) != 0) {\r |
9cff2f8d | 339 | DEBUG ((EFI_D_NET, "\n!PXE checksum is not correct.\n"));\r |
a15a4195 | 340 | goto NiiError;\r |
341 | }\r | |
342 | \r | |
4cda7726 | 343 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r |
a15a4195 | 344 | //\r |
345 | // We can get any packets.\r | |
346 | //\r | |
4cda7726 | 347 | } else if ((Pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r |
a15a4195 | 348 | //\r |
349 | // We need to be able to get broadcast packets for DHCP.\r | |
350 | // If we do not have promiscuous support, we must at least have\r | |
351 | // broadcast support or we cannot do DHCP!\r | |
352 | //\r | |
353 | } else {\r | |
9cff2f8d | 354 | DEBUG ((EFI_D_NET, "\nUNDI does not have promiscuous or broadcast support."));\r |
a15a4195 | 355 | goto NiiError;\r |
356 | }\r | |
357 | //\r | |
358 | // OK, we like this UNDI, and we know snp is not already there on this handle\r | |
359 | // Allocate and initialize a new simple network protocol structure.\r | |
360 | //\r | |
c4a7d208 FS |
361 | Status = PciIo->AllocateBuffer (\r |
362 | PciIo,\r | |
363 | AllocateAnyPages,\r | |
364 | EfiBootServicesData,\r | |
365 | SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r | |
366 | &Address,\r | |
367 | 0\r | |
368 | );\r | |
a15a4195 | 369 | \r |
370 | if (Status != EFI_SUCCESS) {\r | |
9cff2f8d | 371 | DEBUG ((EFI_D_NET, "\nCould not allocate SNP_DRIVER structure.\n"));\r |
a15a4195 | 372 | goto NiiError;\r |
373 | }\r | |
374 | \r | |
4cda7726 | 375 | Snp = (SNP_DRIVER *) (UINTN) Address;\r |
a15a4195 | 376 | \r |
4cda7726 | 377 | ZeroMem (Snp, sizeof (SNP_DRIVER));\r |
a15a4195 | 378 | \r |
c4a7d208 | 379 | Snp->PciIo = PciIo;\r |
4cda7726 | 380 | Snp->Signature = SNP_DRIVER_SIGNATURE;\r |
a15a4195 | 381 | \r |
4cda7726 | 382 | EfiInitializeLock (&Snp->Lock, TPL_NOTIFY);\r |
a15a4195 | 383 | \r |
4cda7726 | 384 | Snp->Snp.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;\r |
385 | Snp->Snp.Start = SnpUndi32Start;\r | |
386 | Snp->Snp.Stop = SnpUndi32Stop;\r | |
387 | Snp->Snp.Initialize = SnpUndi32Initialize;\r | |
388 | Snp->Snp.Reset = SnpUndi32Reset;\r | |
389 | Snp->Snp.Shutdown = SnpUndi32Shutdown;\r | |
390 | Snp->Snp.ReceiveFilters = SnpUndi32ReceiveFilters;\r | |
391 | Snp->Snp.StationAddress = SnpUndi32StationAddress;\r | |
392 | Snp->Snp.Statistics = SnpUndi32Statistics;\r | |
393 | Snp->Snp.MCastIpToMac = SnpUndi32McastIpToMac;\r | |
394 | Snp->Snp.NvData = SnpUndi32NvData;\r | |
395 | Snp->Snp.GetStatus = SnpUndi32GetStatus;\r | |
396 | Snp->Snp.Transmit = SnpUndi32Transmit;\r | |
397 | Snp->Snp.Receive = SnpUndi32Receive;\r | |
398 | Snp->Snp.WaitForPacket = NULL;\r | |
a15a4195 | 399 | \r |
4cda7726 | 400 | Snp->Snp.Mode = &Snp->Mode;\r |
a15a4195 | 401 | \r |
4cda7726 | 402 | Snp->TxRxBufferSize = 0;\r |
403 | Snp->TxRxBuffer = NULL;\r | |
61f2ab90 QO |
404 | \r |
405 | if (Nii->Revision >= EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION) {\r | |
406 | Snp->IfNum = Nii->IfNum;\r | |
a15a4195 | 407 | \r |
61f2ab90 QO |
408 | } else {\r |
409 | Snp->IfNum = (UINT8) (Nii->IfNum & 0xFF);\r | |
410 | }\r | |
a15a4195 | 411 | \r |
4cda7726 | 412 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) != 0) {\r |
413 | Snp->IsSwUndi = FALSE;\r | |
414 | Snp->IssueUndi32Command = &IssueHwUndiCommand;\r | |
a15a4195 | 415 | } else {\r |
4cda7726 | 416 | Snp->IsSwUndi = TRUE;\r |
a15a4195 | 417 | \r |
4cda7726 | 418 | if ((Pxe->sw.Implementation & PXE_ROMID_IMP_SW_VIRT_ADDR) != 0) {\r |
419 | Snp->IssueUndi32Command = (ISSUE_UNDI32_COMMAND) (UINTN) Pxe->sw.EntryPoint;\r | |
a15a4195 | 420 | } else {\r |
4cda7726 | 421 | Snp->IssueUndi32Command = (ISSUE_UNDI32_COMMAND) (UINTN) ((UINT8) (UINTN) Pxe + Pxe->sw.EntryPoint);\r |
a15a4195 | 422 | }\r |
423 | }\r | |
424 | //\r | |
425 | // Allocate a global CPB and DB buffer for this UNDI interface.\r | |
426 | // we do this because:\r | |
427 | //\r | |
428 | // -UNDI 3.0 wants all the addresses passed to it (even the cpb and db) to be\r | |
429 | // within 2GB limit, create them here and map them so that when undi calls\r | |
430 | // v2p callback to check if the physical address is < 2gb, we will pass.\r | |
431 | //\r | |
432 | // -This is not a requirement for 3.1 or later UNDIs but the code looks\r | |
433 | // simpler if we use the same cpb, db variables for both old and new undi\r | |
434 | // interfaces from all the SNP interface calls (we don't map the buffers\r | |
435 | // for the newer undi interfaces though)\r | |
436 | // .\r | |
437 | // -it is OK to allocate one global set of CPB, DB pair for each UNDI\r | |
438 | // interface as EFI does not multi-task and so SNP will not be re-entered!\r | |
439 | //\r | |
c4a7d208 FS |
440 | Status = PciIo->AllocateBuffer (\r |
441 | PciIo,\r | |
442 | AllocateAnyPages,\r | |
443 | EfiBootServicesData,\r | |
444 | SNP_MEM_PAGES (4096),\r | |
445 | &Address,\r | |
446 | 0\r | |
447 | );\r | |
a15a4195 | 448 | \r |
449 | if (Status != EFI_SUCCESS) {\r | |
9cff2f8d | 450 | DEBUG ((EFI_D_NET, "\nCould not allocate CPB and DB structures.\n"));\r |
a15a4195 | 451 | goto Error_DeleteSNP;\r |
452 | }\r | |
453 | \r | |
4cda7726 | 454 | Snp->Cpb = (VOID *) (UINTN) Address;\r |
455 | Snp->Db = (VOID *) ((UINTN) Address + 2048);\r | |
a15a4195 | 456 | \r |
457 | //\r | |
3f103c08 | 458 | // Find the correct BAR to do IO.\r |
c4a7d208 | 459 | //\r |
3f103c08 FS |
460 | // Enumerate through the PCI BARs for the device to determine which one is\r |
461 | // the IO BAR. Save the index of the BAR into the adapter info structure.\r | |
462 | // for regular 32bit BARs, 0 is memory mapped, 1 is io mapped\r | |
463 | //\r | |
464 | Snp->MemoryBarIndex = 0;\r | |
465 | Snp->IoBarIndex = 1;\r | |
c4a7d208 FS |
466 | for (BarIndex = 0; BarIndex < PCI_MAX_BAR; BarIndex++) {\r |
467 | Status = PciIo->GetBarAttributes (\r | |
468 | PciIo,\r | |
469 | BarIndex,\r | |
470 | NULL,\r | |
471 | (VOID**) &BarDesc\r | |
472 | );\r | |
473 | if (Status == EFI_UNSUPPORTED) {\r | |
474 | continue;\r | |
475 | } else if (EFI_ERROR (Status)) {\r | |
476 | goto Error_DeleteSNP;\r | |
477 | }\r | |
478 | \r | |
479 | if (BarDesc->ResType == ACPI_ADDRESS_SPACE_TYPE_MEM) {\r | |
480 | Snp->MemoryBarIndex = BarIndex;\r | |
481 | } else if (BarDesc->ResType == ACPI_ADDRESS_SPACE_TYPE_IO) {\r | |
482 | Snp->IoBarIndex = BarIndex;\r | |
483 | }\r | |
484 | \r | |
485 | FreePool (BarDesc);\r | |
486 | }\r | |
a15a4195 | 487 | \r |
4cda7726 | 488 | Status = PxeStart (Snp);\r |
a15a4195 | 489 | \r |
490 | if (Status != EFI_SUCCESS) {\r | |
491 | goto Error_DeleteSNP;\r | |
492 | }\r | |
493 | \r | |
4cda7726 | 494 | Snp->Cdb.OpCode = PXE_OPCODE_GET_INIT_INFO;\r |
495 | Snp->Cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r | |
a15a4195 | 496 | \r |
4cda7726 | 497 | Snp->Cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r |
498 | Snp->Cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r | |
a15a4195 | 499 | \r |
c9325700 ED |
500 | Snp->Cdb.DBsize = (UINT16) sizeof (Snp->InitInfo);\r |
501 | Snp->Cdb.DBaddr = (UINT64)(UINTN) (&Snp->InitInfo);\r | |
a15a4195 | 502 | \r |
4cda7726 | 503 | Snp->Cdb.StatCode = PXE_STATCODE_INITIALIZE;\r |
504 | Snp->Cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
a15a4195 | 505 | \r |
4cda7726 | 506 | Snp->Cdb.IFnum = Snp->IfNum;\r |
507 | Snp->Cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
a15a4195 | 508 | \r |
9cff2f8d | 509 | DEBUG ((EFI_D_NET, "\nSnp->undi.get_init_info() "));\r |
a15a4195 | 510 | \r |
4cda7726 | 511 | (*Snp->IssueUndi32Command) ((UINT64)(UINTN) &Snp->Cdb);\r |
a15a4195 | 512 | \r |
513 | //\r | |
514 | // Save the INIT Stat Code...\r | |
515 | //\r | |
4cda7726 | 516 | InitStatFlags = Snp->Cdb.StatFlags;\r |
a15a4195 | 517 | \r |
4cda7726 | 518 | if (Snp->Cdb.StatCode != PXE_STATCODE_SUCCESS) {\r |
9cff2f8d | 519 | DEBUG ((EFI_D_NET, "\nSnp->undi.init_info() %xh:%xh\n", Snp->Cdb.StatFlags, Snp->Cdb.StatCode));\r |
4cda7726 | 520 | PxeStop (Snp);\r |
a15a4195 | 521 | goto Error_DeleteSNP;\r |
522 | }\r | |
523 | \r | |
a15a4195 | 524 | //\r |
525 | // Initialize simple network protocol mode structure\r | |
526 | //\r | |
4cda7726 | 527 | Snp->Mode.State = EfiSimpleNetworkStopped;\r |
528 | Snp->Mode.HwAddressSize = Snp->InitInfo.HWaddrLen;\r | |
529 | Snp->Mode.MediaHeaderSize = Snp->InitInfo.MediaHeaderLen;\r | |
530 | Snp->Mode.MaxPacketSize = Snp->InitInfo.FrameDataLen;\r | |
531 | Snp->Mode.NvRamAccessSize = Snp->InitInfo.NvWidth;\r | |
532 | Snp->Mode.NvRamSize = Snp->InitInfo.NvCount * Snp->Mode.NvRamAccessSize;\r | |
533 | Snp->Mode.IfType = Snp->InitInfo.IFtype;\r | |
534 | Snp->Mode.MaxMCastFilterCount = Snp->InitInfo.MCastFilterCnt;\r | |
535 | Snp->Mode.MCastFilterCount = 0;\r | |
a15a4195 | 536 | \r |
537 | switch (InitStatFlags & PXE_STATFLAGS_CABLE_DETECT_MASK) {\r | |
538 | case PXE_STATFLAGS_CABLE_DETECT_SUPPORTED:\r | |
4cda7726 | 539 | Snp->Mode.MediaPresentSupported = TRUE;\r |
a15a4195 | 540 | break;\r |
541 | \r | |
542 | case PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED:\r | |
543 | default:\r | |
4cda7726 | 544 | Snp->Mode.MediaPresentSupported = FALSE;\r |
a15a4195 | 545 | }\r |
546 | \r | |
c777c357 | 547 | switch (InitStatFlags & PXE_STATFLAGS_GET_STATUS_NO_MEDIA_MASK) {\r |
548 | case PXE_STATFLAGS_GET_STATUS_NO_MEDIA_SUPPORTED:\r | |
549 | Snp->MediaStatusSupported = TRUE;\r | |
550 | break;\r | |
551 | \r | |
552 | case PXE_STATFLAGS_GET_STATUS_NO_MEDIA_NOT_SUPPORTED:\r | |
553 | default:\r | |
554 | Snp->MediaStatusSupported = FALSE;\r | |
555 | }\r | |
556 | \r | |
4cda7726 | 557 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_STATION_ADDR_SETTABLE) != 0) {\r |
558 | Snp->Mode.MacAddressChangeable = TRUE;\r | |
a15a4195 | 559 | } else {\r |
4cda7726 | 560 | Snp->Mode.MacAddressChangeable = FALSE;\r |
a15a4195 | 561 | }\r |
562 | \r | |
4cda7726 | 563 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED) != 0) {\r |
564 | Snp->Mode.MultipleTxSupported = TRUE;\r | |
a15a4195 | 565 | } else {\r |
4cda7726 | 566 | Snp->Mode.MultipleTxSupported = FALSE;\r |
a15a4195 | 567 | }\r |
568 | \r | |
4cda7726 | 569 | Snp->Mode.ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r |
a15a4195 | 570 | \r |
4cda7726 | 571 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {\r |
572 | Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
a15a4195 | 573 | \r |
574 | }\r | |
575 | \r | |
4cda7726 | 576 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r |
577 | Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
a15a4195 | 578 | \r |
579 | }\r | |
580 | \r | |
4cda7726 | 581 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r |
582 | Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r | |
a15a4195 | 583 | \r |
584 | }\r | |
585 | \r | |
4cda7726 | 586 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED) != 0) {\r |
587 | Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r | |
a15a4195 | 588 | \r |
589 | }\r | |
590 | \r | |
e2851998 | 591 | if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {\r |
4cda7726 | 592 | Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r |
a15a4195 | 593 | \r |
594 | }\r | |
595 | \r | |
4cda7726 | 596 | Snp->Mode.ReceiveFilterSetting = 0;\r |
a15a4195 | 597 | \r |
598 | //\r | |
599 | // need to get the station address to save in the mode structure. we need to\r | |
600 | // initialize the UNDI first for this.\r | |
601 | //\r | |
4cda7726 | 602 | Snp->TxRxBufferSize = Snp->InitInfo.MemoryRequired;\r |
603 | Status = PxeInit (Snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);\r | |
a15a4195 | 604 | \r |
4cda7726 | 605 | if (EFI_ERROR (Status)) {\r |
606 | PxeStop (Snp);\r | |
a15a4195 | 607 | goto Error_DeleteSNP;\r |
608 | }\r | |
609 | \r | |
4cda7726 | 610 | Status = PxeGetStnAddr (Snp);\r |
a15a4195 | 611 | \r |
612 | if (Status != EFI_SUCCESS) {\r | |
f3816027 | 613 | DEBUG ((EFI_D_ERROR, "\nSnp->undi.get_station_addr() failed.\n"));\r |
4cda7726 | 614 | PxeShutdown (Snp);\r |
615 | PxeStop (Snp);\r | |
a15a4195 | 616 | goto Error_DeleteSNP;\r |
617 | }\r | |
618 | \r | |
4cda7726 | 619 | Snp->Mode.MediaPresent = FALSE;\r |
a15a4195 | 620 | \r |
621 | //\r | |
622 | // We should not leave UNDI started and initialized here. this DriverStart()\r | |
623 | // routine must only find and attach the SNP interface to UNDI layer that it\r | |
624 | // finds on the given handle!\r | |
4cda7726 | 625 | // The UNDI layer will be started when upper layers call Snp->start.\r |
a15a4195 | 626 | // How ever, this DriverStart() must fill up the snp mode structure which\r |
627 | // contains the MAC address of the NIC. For this reason we started and\r | |
628 | // initialized UNDI here, now we are done, do a shutdown and stop of the\r | |
629 | // UNDI interface!\r | |
630 | //\r | |
4cda7726 | 631 | PxeShutdown (Snp);\r |
632 | PxeStop (Snp);\r | |
a15a4195 | 633 | \r |
0428a6cb | 634 | //\r |
635 | // Create EXIT_BOOT_SERIVES Event\r | |
636 | //\r | |
637 | Status = gBS->CreateEventEx (\r | |
638 | EVT_NOTIFY_SIGNAL,\r | |
639 | TPL_NOTIFY,\r | |
640 | SnpNotifyExitBootServices,\r | |
641 | Snp,\r | |
642 | &gEfiEventExitBootServicesGuid,\r | |
643 | &Snp->ExitBootServicesEvent\r | |
644 | );\r | |
645 | if (EFI_ERROR (Status)) {\r | |
646 | goto Error_DeleteSNP;\r | |
647 | }\r | |
648 | \r | |
a15a4195 | 649 | //\r |
650 | // add SNP to the undi handle\r | |
651 | //\r | |
652 | Status = gBS->InstallProtocolInterface (\r | |
653 | &Controller,\r | |
654 | &gEfiSimpleNetworkProtocolGuid,\r | |
655 | EFI_NATIVE_INTERFACE,\r | |
4cda7726 | 656 | &(Snp->Snp)\r |
a15a4195 | 657 | );\r |
658 | \r | |
659 | if (!EFI_ERROR (Status)) {\r | |
660 | return Status;\r | |
661 | }\r | |
662 | \r | |
c4a7d208 FS |
663 | PciIo->FreeBuffer (\r |
664 | PciIo,\r | |
665 | SNP_MEM_PAGES (4096),\r | |
666 | Snp->Cpb\r | |
667 | );\r | |
a15a4195 | 668 | \r |
669 | Error_DeleteSNP:\r | |
670 | \r | |
c4a7d208 FS |
671 | PciIo->FreeBuffer (\r |
672 | PciIo,\r | |
673 | SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r | |
674 | Snp\r | |
675 | );\r | |
a15a4195 | 676 | NiiError:\r |
677 | gBS->CloseProtocol (\r | |
678 | Controller,\r | |
679 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
680 | This->DriverBindingHandle,\r | |
681 | Controller\r | |
682 | );\r | |
683 | \r | |
684 | gBS->CloseProtocol (\r | |
685 | Controller,\r | |
686 | &gEfiDevicePathProtocolGuid,\r | |
687 | This->DriverBindingHandle,\r | |
688 | Controller\r | |
689 | );\r | |
690 | \r | |
469462b1 | 691 | //\r |
692 | // If we got here that means we are in error state.\r | |
693 | //\r | |
694 | if (!EFI_ERROR (Status)) {\r | |
695 | Status = EFI_DEVICE_ERROR;\r | |
696 | }\r | |
697 | \r | |
a15a4195 | 698 | return Status;\r |
699 | }\r | |
700 | \r | |
a15a4195 | 701 | /**\r |
4cda7726 | 702 | Stop this driver on ControllerHandle. This service is called by the\r |
703 | EFI boot service DisconnectController(). In order to\r | |
704 | make drivers as small as possible, there are a few calling\r | |
705 | restrictions for this service. DisconnectController()\r | |
706 | must follow these calling restrictions. If any other agent wishes\r | |
707 | to call Stop() it must also follow these calling restrictions.\r | |
e2851998 | 708 | \r |
4cda7726 | 709 | @param This Protocol instance pointer.\r |
710 | @param ControllerHandle Handle of device to stop driver on\r | |
711 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
712 | children is zero stop the entire bus driver.\r | |
713 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
714 | \r | |
715 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
716 | @retval other This driver was not removed from this device\r | |
a15a4195 | 717 | \r |
718 | **/\r | |
719 | EFI_STATUS\r | |
720 | EFIAPI\r | |
721 | SimpleNetworkDriverStop (\r | |
722 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
723 | IN EFI_HANDLE Controller,\r | |
724 | IN UINTN NumberOfChildren,\r | |
725 | IN EFI_HANDLE *ChildHandleBuffer\r | |
726 | )\r | |
727 | {\r | |
728 | EFI_STATUS Status;\r | |
729 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpProtocol;\r | |
730 | SNP_DRIVER *Snp;\r | |
c4a7d208 | 731 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
a15a4195 | 732 | \r |
733 | //\r | |
734 | // Get our context back.\r | |
735 | //\r | |
736 | Status = gBS->OpenProtocol (\r | |
737 | Controller,\r | |
738 | &gEfiSimpleNetworkProtocolGuid,\r | |
739 | (VOID **) &SnpProtocol,\r | |
740 | This->DriverBindingHandle,\r | |
741 | Controller,\r | |
742 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
743 | );\r | |
744 | \r | |
745 | if (EFI_ERROR (Status)) {\r | |
746 | return EFI_UNSUPPORTED;\r | |
747 | }\r | |
748 | \r | |
749 | Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (SnpProtocol);\r | |
750 | \r | |
751 | Status = gBS->UninstallProtocolInterface (\r | |
752 | Controller,\r | |
753 | &gEfiSimpleNetworkProtocolGuid,\r | |
4cda7726 | 754 | &Snp->Snp\r |
a15a4195 | 755 | );\r |
756 | \r | |
757 | if (EFI_ERROR (Status)) {\r | |
758 | return Status;\r | |
759 | }\r | |
760 | \r | |
0428a6cb | 761 | //\r |
762 | // Close EXIT_BOOT_SERIVES Event\r | |
763 | //\r | |
764 | gBS->CloseEvent (Snp->ExitBootServicesEvent);\r | |
765 | \r | |
a15a4195 | 766 | Status = gBS->CloseProtocol (\r |
767 | Controller,\r | |
768 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
769 | This->DriverBindingHandle,\r | |
770 | Controller\r | |
771 | );\r | |
772 | \r | |
773 | Status = gBS->CloseProtocol (\r | |
774 | Controller,\r | |
775 | &gEfiDevicePathProtocolGuid,\r | |
776 | This->DriverBindingHandle,\r | |
777 | Controller\r | |
778 | );\r | |
779 | \r | |
4cda7726 | 780 | PxeShutdown (Snp);\r |
781 | PxeStop (Snp);\r | |
a15a4195 | 782 | \r |
c4a7d208 FS |
783 | PciIo = Snp->PciIo;\r |
784 | PciIo->FreeBuffer (\r | |
785 | PciIo,\r | |
786 | SNP_MEM_PAGES (4096),\r | |
787 | Snp->Cpb\r | |
788 | );\r | |
a15a4195 | 789 | \r |
c4a7d208 FS |
790 | PciIo->FreeBuffer (\r |
791 | PciIo,\r | |
792 | SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r | |
793 | Snp\r | |
794 | );\r | |
a15a4195 | 795 | \r |
796 | return Status;\r | |
797 | }\r | |
798 | \r | |
4cda7726 | 799 | //\r |
800 | // Simple Network Protocol Driver Global Variables\r | |
801 | //\r | |
216f7970 | 802 | EFI_DRIVER_BINDING_PROTOCOL gSimpleNetworkDriverBinding = {\r |
4cda7726 | 803 | SimpleNetworkDriverSupported,\r |
804 | SimpleNetworkDriverStart,\r | |
805 | SimpleNetworkDriverStop,\r | |
806 | 0xa,\r | |
807 | NULL,\r | |
808 | NULL\r | |
809 | };\r | |
810 | \r | |
a15a4195 | 811 | /**\r |
4cda7726 | 812 | The SNP driver entry point.\r |
a15a4195 | 813 | \r |
4cda7726 | 814 | @param ImageHandle The driver image handle.\r |
815 | @param SystemTable The system table.\r | |
a15a4195 | 816 | \r |
4cda7726 | 817 | @retval EFI_SUCEESS Initialization routine has found UNDI hardware,\r |
818 | loaded it's ROM, and installed a notify event for\r | |
819 | the Network Indentifier Interface Protocol\r | |
820 | successfully.\r | |
821 | @retval Other Return value from HandleProtocol for\r | |
822 | DeviceIoProtocol or LoadedImageProtocol\r | |
a15a4195 | 823 | \r |
824 | **/\r | |
825 | EFI_STATUS\r | |
826 | EFIAPI\r | |
827 | InitializeSnpNiiDriver (\r | |
828 | IN EFI_HANDLE ImageHandle,\r | |
829 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
830 | )\r | |
831 | {\r | |
832 | return EfiLibInstallDriverBindingComponentName2 (\r | |
833 | ImageHandle,\r | |
834 | SystemTable,\r | |
216f7970 | 835 | &gSimpleNetworkDriverBinding,\r |
f3de0a60 | 836 | ImageHandle,\r |
a15a4195 | 837 | &gSimpleNetworkComponentName,\r |
838 | &gSimpleNetworkComponentName2\r | |
839 | );\r | |
840 | }\r |