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a15a4195 | 1 | /** @file\r |
2 | Copyright (c) 2004 - 2005, Intel Corporation\r | |
3 | All rights reserved. This program and the accompanying materials\r | |
4 | are licensed and made available under the terms and conditions of the BSD License\r | |
5 | which accompanies this distribution. The full text of the license may be found at\r | |
6 | http://opensource.org/licenses/bsd-license.php\r | |
7 | \r | |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
10 | \r | |
11 | Module name:\r | |
12 | snp.c\r | |
13 | \r | |
14 | Abstract:\r | |
15 | \r | |
16 | \r | |
17 | **/\r | |
18 | \r | |
19 | #include "Snp.h"\r | |
20 | \r | |
21 | EFI_STATUS\r | |
22 | pxe_start (\r | |
23 | SNP_DRIVER *snp\r | |
24 | );\r | |
25 | EFI_STATUS\r | |
26 | pxe_stop (\r | |
27 | SNP_DRIVER *snp\r | |
28 | );\r | |
29 | EFI_STATUS\r | |
30 | pxe_init (\r | |
31 | SNP_DRIVER *snp,\r | |
32 | UINT16 OpFlags\r | |
33 | );\r | |
34 | EFI_STATUS\r | |
35 | pxe_shutdown (\r | |
36 | SNP_DRIVER *snp\r | |
37 | );\r | |
38 | EFI_STATUS\r | |
39 | pxe_get_stn_addr (\r | |
40 | SNP_DRIVER *snp\r | |
41 | );\r | |
42 | \r | |
43 | EFI_STATUS\r | |
44 | EFIAPI\r | |
45 | InitializeSnpNiiDriver (\r | |
46 | IN EFI_HANDLE image_handle,\r | |
47 | IN EFI_SYSTEM_TABLE *system_table\r | |
48 | );\r | |
49 | \r | |
50 | EFI_STATUS\r | |
51 | EFIAPI\r | |
52 | SimpleNetworkDriverSupported (\r | |
53 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
54 | IN EFI_HANDLE Controller,\r | |
55 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
56 | );\r | |
57 | \r | |
58 | EFI_STATUS\r | |
59 | EFIAPI\r | |
60 | SimpleNetworkDriverStart (\r | |
61 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
62 | IN EFI_HANDLE Controller,\r | |
63 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
64 | );\r | |
65 | \r | |
66 | EFI_STATUS\r | |
67 | EFIAPI\r | |
68 | SimpleNetworkDriverStop (\r | |
69 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
70 | IN EFI_HANDLE Controller,\r | |
71 | IN UINTN NumberOfChildren,\r | |
72 | IN EFI_HANDLE *ChildHandleBuffer\r | |
73 | );\r | |
74 | \r | |
75 | //\r | |
76 | // Simple Network Protocol Driver Global Variables\r | |
77 | //\r | |
78 | EFI_DRIVER_BINDING_PROTOCOL mSimpleNetworkDriverBinding = {\r | |
79 | SimpleNetworkDriverSupported,\r | |
80 | SimpleNetworkDriverStart,\r | |
81 | SimpleNetworkDriverStop,\r | |
82 | 0xa,\r | |
83 | NULL,\r | |
84 | NULL\r | |
85 | };\r | |
86 | \r | |
87 | //\r | |
88 | // Module global variables needed to support undi 3.0 interface\r | |
89 | //\r | |
90 | EFI_PCI_IO_PROTOCOL *mPciIoFncs;\r | |
91 | struct s_v2p *_v2p = NULL; // undi3.0 map_list head\r | |
92 | // End Global variables\r | |
93 | //\r | |
94 | \r | |
95 | /**\r | |
96 | This routine maps the given CPU address to a Device address. It creates a\r | |
97 | an entry in the map list with the virtual and physical addresses and the\r | |
98 | un map cookie.\r | |
99 | \r | |
100 | @param v2p pointer to return a map list node pointer.\r | |
101 | @param type the direction in which the data flows from the given\r | |
102 | virtual address device->cpu or cpu->device or both\r | |
103 | ways.\r | |
104 | @param vaddr virtual address (or CPU address) to be mapped\r | |
105 | @param bsize size of the buffer to be mapped.\r | |
106 | \r | |
107 | @retval EFI_SUCEESS routine has completed the mapping\r | |
108 | @retval other error as indicated.\r | |
109 | \r | |
110 | **/\r | |
111 | EFI_STATUS\r | |
112 | add_v2p (\r | |
113 | IN OUT struct s_v2p **v2p,\r | |
114 | EFI_PCI_IO_PROTOCOL_OPERATION type,\r | |
115 | VOID *vaddr,\r | |
116 | UINTN bsize\r | |
117 | )\r | |
118 | {\r | |
119 | EFI_STATUS Status;\r | |
120 | \r | |
121 | if ((v2p == NULL) || (vaddr == NULL) || (bsize == 0)) {\r | |
122 | return EFI_INVALID_PARAMETER;\r | |
123 | }\r | |
124 | \r | |
125 | *v2p = AllocatePool (sizeof (struct s_v2p));\r | |
126 | if (*v2p != NULL) {\r | |
127 | return EFI_OUT_OF_RESOURCES;\r | |
128 | }\r | |
129 | \r | |
130 | Status = mPciIoFncs->Map (\r | |
131 | mPciIoFncs,\r | |
132 | type,\r | |
133 | vaddr,\r | |
134 | &bsize,\r | |
135 | &(*v2p)->paddr,\r | |
136 | &(*v2p)->unmap\r | |
137 | );\r | |
138 | if (Status != EFI_SUCCESS) {\r | |
139 | FreePool (*v2p);\r | |
140 | return Status;\r | |
141 | }\r | |
142 | (*v2p)->vaddr = vaddr;\r | |
143 | (*v2p)->bsize = bsize;\r | |
144 | (*v2p)->next = _v2p;\r | |
145 | _v2p = *v2p;\r | |
146 | \r | |
147 | return EFI_SUCCESS;\r | |
148 | }\r | |
149 | \r | |
150 | \r | |
151 | /**\r | |
152 | This routine searches the linked list of mapped address nodes (for undi3.0\r | |
153 | interface) to find the node that corresponds to the given virtual address and\r | |
154 | returns a pointer to that node.\r | |
155 | \r | |
156 | @param v2p pointer to return a map list node pointer.\r | |
157 | @param vaddr virtual address (or CPU address) to be searched in\r | |
158 | the map list\r | |
159 | \r | |
160 | @retval EFI_SUCEESS if a match found!\r | |
161 | @retval Other match not found\r | |
162 | \r | |
163 | **/\r | |
164 | EFI_STATUS\r | |
165 | find_v2p (\r | |
166 | struct s_v2p **v2p,\r | |
167 | VOID *vaddr\r | |
168 | )\r | |
169 | {\r | |
170 | struct s_v2p *v;\r | |
171 | \r | |
172 | if (v2p == NULL || vaddr == NULL) {\r | |
173 | return EFI_INVALID_PARAMETER;\r | |
174 | }\r | |
175 | \r | |
176 | for (v = _v2p; v != NULL; v = v->next) {\r | |
177 | if (v->vaddr == vaddr) {\r | |
178 | *v2p = v;\r | |
179 | return EFI_SUCCESS;\r | |
180 | }\r | |
181 | }\r | |
182 | \r | |
183 | return EFI_NOT_FOUND;\r | |
184 | }\r | |
185 | \r | |
186 | \r | |
187 | /**\r | |
188 | This routine unmaps the given virtual address and frees the memory allocated\r | |
189 | for the map list node corresponding to that address.\r | |
190 | \r | |
191 | @param vaddr virtual address (or CPU address) to be unmapped\r | |
192 | \r | |
193 | @retval EFI_SUCEESS if successfully unmapped\r | |
194 | @retval Other as indicated by the error\r | |
195 | \r | |
196 | **/\r | |
197 | EFI_STATUS\r | |
198 | del_v2p (\r | |
199 | VOID *vaddr\r | |
200 | )\r | |
201 | {\r | |
202 | struct s_v2p *v;\r | |
203 | struct s_v2p *t;\r | |
204 | EFI_STATUS Status;\r | |
205 | \r | |
206 | if (vaddr == NULL) {\r | |
207 | return EFI_INVALID_PARAMETER;\r | |
208 | }\r | |
209 | \r | |
210 | if (_v2p == NULL) {\r | |
211 | return EFI_NOT_FOUND;\r | |
212 | }\r | |
213 | //\r | |
214 | // Is our node at the head of the list??\r | |
215 | //\r | |
216 | if ((v = _v2p)->vaddr == vaddr) {\r | |
217 | _v2p = _v2p->next;\r | |
218 | \r | |
219 | Status = mPciIoFncs->Unmap (mPciIoFncs, v->unmap);\r | |
220 | \r | |
221 | FreePool (v);\r | |
222 | \r | |
223 | if (Status) {\r | |
224 | DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status));\r | |
225 | }\r | |
226 | return Status;\r | |
227 | }\r | |
228 | \r | |
229 | for (; v->next != NULL; v = t) {\r | |
230 | if ((t = v->next)->vaddr == vaddr) {\r | |
231 | v->next = t->next;\r | |
232 | Status = mPciIoFncs->Unmap (mPciIoFncs, t->unmap);\r | |
233 | FreePool (t);\r | |
234 | \r | |
235 | if (Status) {\r | |
236 | DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status));\r | |
237 | }\r | |
238 | return Status;\r | |
239 | }\r | |
240 | }\r | |
241 | \r | |
242 | return EFI_NOT_FOUND;\r | |
243 | }\r | |
244 | \r | |
245 | STATIC\r | |
246 | EFI_STATUS\r | |
247 | issue_hwundi_command (\r | |
248 | UINT64 cdb\r | |
249 | )\r | |
250 | /*++\r | |
251 | \r | |
252 | Routine Description:\r | |
253 | \r | |
254 | Arguments:\r | |
255 | \r | |
256 | Returns:\r | |
257 | \r | |
258 | --*/\r | |
259 | {\r | |
260 | DEBUG ((EFI_D_ERROR, "\nissue_hwundi_command() - This should not be called!"));\r | |
261 | \r | |
262 | if (cdb == 0) {\r | |
263 | return EFI_INVALID_PARAMETER;\r | |
264 | \r | |
265 | }\r | |
266 | //\r | |
267 | // %%TBD - For now, nothing is done.\r | |
268 | //\r | |
269 | return EFI_UNSUPPORTED;\r | |
270 | }\r | |
271 | \r | |
272 | \r | |
273 | /**\r | |
274 | Compute 8-bit checksum of a buffer.\r | |
275 | \r | |
276 | @param ptr Pointer to buffer.\r | |
277 | @param len Length of buffer in bytes.\r | |
278 | \r | |
279 | @return 8-bit checksum of all bytes in buffer.\r | |
280 | @return If ptr is NULL or len is zero, zero is returned.\r | |
281 | \r | |
282 | **/\r | |
283 | STATIC\r | |
284 | UINT8\r | |
285 | calc_8bit_cksum (\r | |
286 | VOID *ptr,\r | |
287 | UINTN len\r | |
288 | )\r | |
289 | {\r | |
290 | UINT8 *bptr;\r | |
291 | UINT8 cksum;\r | |
292 | \r | |
293 | bptr = ptr;\r | |
294 | cksum = 0;\r | |
295 | \r | |
296 | if (ptr == NULL || len == 0) {\r | |
297 | return 0;\r | |
298 | }\r | |
299 | \r | |
300 | while (len--) {\r | |
301 | cksum = (UINT8) (cksum +*bptr++);\r | |
302 | }\r | |
303 | \r | |
304 | return cksum;\r | |
305 | }\r | |
306 | \r | |
307 | \r | |
308 | /**\r | |
309 | Test to see if this driver supports Controller. Any Controller\r | |
310 | that contains a Nii protocol can be supported.\r | |
311 | \r | |
312 | @param This Protocol instance pointer.\r | |
313 | @param Controller Handle of device to test.\r | |
314 | @param RemainingDevicePath Not used.\r | |
315 | \r | |
316 | @retval EFI_SUCCESS This driver supports this device.\r | |
317 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
318 | @retval other This driver does not support this device.\r | |
319 | \r | |
320 | **/\r | |
321 | EFI_STATUS\r | |
322 | EFIAPI\r | |
323 | SimpleNetworkDriverSupported (\r | |
324 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
325 | IN EFI_HANDLE Controller,\r | |
326 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
327 | )\r | |
328 | {\r | |
329 | EFI_STATUS Status;\r | |
330 | EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol;\r | |
331 | PXE_UNDI *pxe;\r | |
332 | \r | |
333 | Status = gBS->OpenProtocol (\r | |
334 | Controller,\r | |
335 | &gEfiDevicePathProtocolGuid,\r | |
336 | NULL,\r | |
337 | This->DriverBindingHandle,\r | |
338 | Controller,\r | |
339 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
340 | );\r | |
341 | if (EFI_ERROR (Status)) {\r | |
342 | return Status;\r | |
343 | }\r | |
344 | \r | |
345 | Status = gBS->OpenProtocol (\r | |
346 | Controller,\r | |
347 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
348 | (VOID **) &NiiProtocol,\r | |
349 | This->DriverBindingHandle,\r | |
350 | Controller,\r | |
351 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
352 | );\r | |
353 | \r | |
354 | if (EFI_ERROR (Status)) {\r | |
355 | if (Status == EFI_ALREADY_STARTED) {\r | |
356 | DEBUG ((EFI_D_INFO, "Support(): Already Started. on handle %x\n", Controller));\r | |
357 | }\r | |
358 | return Status;\r | |
359 | }\r | |
360 | \r | |
361 | DEBUG ((EFI_D_INFO, "Support(): UNDI3.1 found on handle %x\n", Controller));\r | |
362 | \r | |
363 | //\r | |
364 | // check the version, we don't want to connect to the undi16\r | |
365 | //\r | |
366 | if (NiiProtocol->Type != EfiNetworkInterfaceUndi) {\r | |
367 | Status = EFI_UNSUPPORTED;\r | |
368 | goto Done;\r | |
369 | }\r | |
370 | //\r | |
371 | // Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.\r | |
372 | //\r | |
373 | if (NiiProtocol->ID & 0x0F) {\r | |
374 | DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n"));\r | |
375 | Status = EFI_UNSUPPORTED;\r | |
376 | goto Done;\r | |
377 | }\r | |
378 | \r | |
379 | pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->ID);\r | |
380 | \r | |
381 | //\r | |
382 | // Verify !PXE revisions.\r | |
383 | //\r | |
384 | if (pxe->hw.Signature != PXE_ROMID_SIGNATURE) {\r | |
385 | DEBUG ((EFI_D_NET, "\n!PXE signature is not valid.\n"));\r | |
386 | Status = EFI_UNSUPPORTED;\r | |
387 | goto Done;\r | |
388 | }\r | |
389 | \r | |
390 | if (pxe->hw.Rev < PXE_ROMID_REV) {\r | |
391 | DEBUG ((EFI_D_NET, "\n!PXE.Rev is not supported.\n"));\r | |
392 | Status = EFI_UNSUPPORTED;\r | |
393 | goto Done;\r | |
394 | }\r | |
395 | \r | |
396 | if (pxe->hw.MajorVer < PXE_ROMID_MAJORVER) {\r | |
397 | \r | |
398 | DEBUG ((EFI_D_NET, "\n!PXE.MajorVer is not supported.\n"));\r | |
399 | Status = EFI_UNSUPPORTED;\r | |
400 | goto Done;\r | |
401 | \r | |
402 | } else if (pxe->hw.MajorVer == PXE_ROMID_MAJORVER && pxe->hw.MinorVer < PXE_ROMID_MINORVER) {\r | |
403 | DEBUG ((EFI_D_NET, "\n!PXE.MinorVer is not supported."));\r | |
404 | Status = EFI_UNSUPPORTED;\r | |
405 | goto Done;\r | |
406 | }\r | |
407 | //\r | |
408 | // Do S/W UNDI specific checks.\r | |
409 | //\r | |
410 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) == 0) {\r | |
411 | if (pxe->sw.EntryPoint < pxe->sw.Len) {\r | |
412 | DEBUG ((EFI_D_NET, "\n!PXE S/W entry point is not valid."));\r | |
413 | Status = EFI_UNSUPPORTED;\r | |
414 | goto Done;\r | |
415 | }\r | |
416 | \r | |
417 | if (pxe->sw.BusCnt == 0) {\r | |
418 | DEBUG ((EFI_D_NET, "\n!PXE.BusCnt is zero."));\r | |
419 | Status = EFI_UNSUPPORTED;\r | |
420 | goto Done;\r | |
421 | }\r | |
422 | }\r | |
423 | \r | |
424 | Status = EFI_SUCCESS;\r | |
425 | DEBUG ((EFI_D_INFO, "Support(): supported on %x\n", Controller));\r | |
426 | \r | |
427 | Done:\r | |
428 | gBS->CloseProtocol (\r | |
429 | Controller,\r | |
430 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
431 | This->DriverBindingHandle,\r | |
432 | Controller\r | |
433 | );\r | |
434 | \r | |
435 | return Status;\r | |
436 | }\r | |
437 | \r | |
438 | \r | |
439 | /**\r | |
440 | called for any handle that we said "supported" in the above call!\r | |
441 | \r | |
442 | @param This Protocol instance pointer.\r | |
443 | @param Controller Handle of device to start\r | |
444 | @param RemainingDevicePath Not used.\r | |
445 | \r | |
446 | @retval EFI_SUCCESS This driver supports this device.\r | |
447 | @retval other This driver failed to start this device.\r | |
448 | \r | |
449 | **/\r | |
450 | EFI_STATUS\r | |
451 | EFIAPI\r | |
452 | SimpleNetworkDriverStart (\r | |
453 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
454 | IN EFI_HANDLE Controller,\r | |
455 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
456 | )\r | |
457 | {\r | |
458 | EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;\r | |
459 | EFI_DEVICE_PATH_PROTOCOL *NiiDevicePath;\r | |
460 | EFI_STATUS Status;\r | |
461 | PXE_UNDI *pxe;\r | |
462 | SNP_DRIVER *snp;\r | |
463 | VOID *addr;\r | |
464 | EFI_HANDLE Handle;\r | |
465 | PXE_PCI_CONFIG_INFO ConfigInfo;\r | |
466 | PCI_TYPE00 *ConfigHeader;\r | |
467 | UINT32 *TempBar;\r | |
468 | UINT8 BarIndex;\r | |
469 | PXE_STATFLAGS InitStatFlags;\r | |
470 | \r | |
471 | DEBUG ((EFI_D_NET, "\nSnpNotifyNetworkInterfaceIdentifier() "));\r | |
472 | \r | |
473 | Status = gBS->OpenProtocol (\r | |
474 | Controller,\r | |
475 | &gEfiDevicePathProtocolGuid,\r | |
476 | (VOID **) &NiiDevicePath,\r | |
477 | This->DriverBindingHandle,\r | |
478 | Controller,\r | |
479 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
480 | );\r | |
481 | \r | |
482 | if (EFI_ERROR (Status)) {\r | |
483 | return Status;\r | |
484 | }\r | |
485 | \r | |
486 | Status = gBS->LocateDevicePath (\r | |
487 | &gEfiPciIoProtocolGuid,\r | |
488 | &NiiDevicePath,\r | |
489 | &Handle\r | |
490 | );\r | |
491 | \r | |
492 | if (EFI_ERROR (Status)) {\r | |
493 | return Status;\r | |
494 | }\r | |
495 | \r | |
496 | Status = gBS->OpenProtocol (\r | |
497 | Handle,\r | |
498 | &gEfiPciIoProtocolGuid,\r | |
499 | (VOID **) &mPciIoFncs,\r | |
500 | This->DriverBindingHandle,\r | |
501 | Controller,\r | |
502 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
503 | );\r | |
504 | if (EFI_ERROR (Status)) {\r | |
505 | return Status;\r | |
506 | }\r | |
507 | //\r | |
508 | // Get the NII interface.\r | |
509 | //\r | |
510 | Status = gBS->OpenProtocol (\r | |
511 | Controller,\r | |
512 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
513 | (VOID **) &Nii,\r | |
514 | This->DriverBindingHandle,\r | |
515 | Controller,\r | |
516 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
517 | );\r | |
518 | if (EFI_ERROR (Status)) {\r | |
519 | gBS->CloseProtocol (\r | |
520 | Controller,\r | |
521 | &gEfiDevicePathProtocolGuid,\r | |
522 | This->DriverBindingHandle,\r | |
523 | Controller\r | |
524 | );\r | |
525 | return Status;\r | |
526 | }\r | |
527 | \r | |
528 | DEBUG ((EFI_D_INFO, "Start(): UNDI3.1 found\n"));\r | |
529 | \r | |
530 | pxe = (PXE_UNDI *) (UINTN) (Nii->ID);\r | |
531 | \r | |
532 | if (calc_8bit_cksum (pxe, pxe->hw.Len) != 0) {\r | |
533 | DEBUG ((EFI_D_NET, "\n!PXE checksum is not correct.\n"));\r | |
534 | goto NiiError;\r | |
535 | }\r | |
536 | \r | |
537 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r | |
538 | //\r | |
539 | // We can get any packets.\r | |
540 | //\r | |
541 | } else if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r | |
542 | //\r | |
543 | // We need to be able to get broadcast packets for DHCP.\r | |
544 | // If we do not have promiscuous support, we must at least have\r | |
545 | // broadcast support or we cannot do DHCP!\r | |
546 | //\r | |
547 | } else {\r | |
548 | DEBUG ((EFI_D_NET, "\nUNDI does not have promiscuous or broadcast support."));\r | |
549 | goto NiiError;\r | |
550 | }\r | |
551 | //\r | |
552 | // OK, we like this UNDI, and we know snp is not already there on this handle\r | |
553 | // Allocate and initialize a new simple network protocol structure.\r | |
554 | //\r | |
555 | Status = mPciIoFncs->AllocateBuffer (\r | |
556 | mPciIoFncs,\r | |
557 | AllocateAnyPages,\r | |
558 | EfiBootServicesData,\r | |
559 | SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r | |
560 | &addr,\r | |
561 | 0\r | |
562 | );\r | |
563 | \r | |
564 | if (Status != EFI_SUCCESS) {\r | |
565 | DEBUG ((EFI_D_NET, "\nCould not allocate SNP_DRIVER structure.\n"));\r | |
566 | goto NiiError;\r | |
567 | }\r | |
568 | \r | |
569 | snp = (SNP_DRIVER *) (UINTN) addr;\r | |
570 | \r | |
571 | ZeroMem (snp, sizeof (SNP_DRIVER));\r | |
572 | \r | |
573 | snp->IoFncs = mPciIoFncs;\r | |
574 | snp->Signature = SNP_DRIVER_SIGNATURE;\r | |
575 | \r | |
576 | EfiInitializeLock (&snp->lock, TPL_NOTIFY);\r | |
577 | \r | |
578 | snp->snp.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;\r | |
579 | snp->snp.Start = snp_undi32_start;\r | |
580 | snp->snp.Stop = snp_undi32_stop;\r | |
581 | snp->snp.Initialize = snp_undi32_initialize;\r | |
582 | snp->snp.Reset = snp_undi32_reset;\r | |
583 | snp->snp.Shutdown = snp_undi32_shutdown;\r | |
584 | snp->snp.ReceiveFilters = snp_undi32_receive_filters;\r | |
585 | snp->snp.StationAddress = snp_undi32_station_address;\r | |
586 | snp->snp.Statistics = snp_undi32_statistics;\r | |
587 | snp->snp.MCastIpToMac = snp_undi32_mcast_ip_to_mac;\r | |
588 | snp->snp.NvData = snp_undi32_nvdata;\r | |
589 | snp->snp.GetStatus = snp_undi32_get_status;\r | |
590 | snp->snp.Transmit = snp_undi32_transmit;\r | |
591 | snp->snp.Receive = snp_undi32_receive;\r | |
592 | snp->snp.WaitForPacket = NULL;\r | |
593 | \r | |
594 | snp->snp.Mode = &snp->mode;\r | |
595 | \r | |
596 | snp->tx_rx_bufsize = 0;\r | |
597 | snp->tx_rx_buffer = NULL;\r | |
598 | \r | |
599 | snp->if_num = Nii->IfNum;\r | |
600 | \r | |
601 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) != 0) {\r | |
602 | snp->is_swundi = FALSE;\r | |
603 | snp->issue_undi32_command = &issue_hwundi_command;\r | |
604 | } else {\r | |
605 | snp->is_swundi = TRUE;\r | |
606 | \r | |
607 | if ((pxe->sw.Implementation & PXE_ROMID_IMP_SW_VIRT_ADDR) != 0) {\r | |
608 | snp->issue_undi32_command = (issue_undi32_command) (UINTN) pxe->sw.EntryPoint;\r | |
609 | } else {\r | |
610 | snp->issue_undi32_command = (issue_undi32_command) (UINTN) ((UINT8) (UINTN) pxe + pxe->sw.EntryPoint);\r | |
611 | }\r | |
612 | }\r | |
613 | //\r | |
614 | // Allocate a global CPB and DB buffer for this UNDI interface.\r | |
615 | // we do this because:\r | |
616 | //\r | |
617 | // -UNDI 3.0 wants all the addresses passed to it (even the cpb and db) to be\r | |
618 | // within 2GB limit, create them here and map them so that when undi calls\r | |
619 | // v2p callback to check if the physical address is < 2gb, we will pass.\r | |
620 | //\r | |
621 | // -This is not a requirement for 3.1 or later UNDIs but the code looks\r | |
622 | // simpler if we use the same cpb, db variables for both old and new undi\r | |
623 | // interfaces from all the SNP interface calls (we don't map the buffers\r | |
624 | // for the newer undi interfaces though)\r | |
625 | // .\r | |
626 | // -it is OK to allocate one global set of CPB, DB pair for each UNDI\r | |
627 | // interface as EFI does not multi-task and so SNP will not be re-entered!\r | |
628 | //\r | |
629 | Status = mPciIoFncs->AllocateBuffer (\r | |
630 | mPciIoFncs,\r | |
631 | AllocateAnyPages,\r | |
632 | EfiBootServicesData,\r | |
633 | SNP_MEM_PAGES (4096),\r | |
634 | &addr,\r | |
635 | 0\r | |
636 | );\r | |
637 | \r | |
638 | if (Status != EFI_SUCCESS) {\r | |
639 | DEBUG ((EFI_D_NET, "\nCould not allocate CPB and DB structures.\n"));\r | |
640 | goto Error_DeleteSNP;\r | |
641 | }\r | |
642 | \r | |
643 | snp->cpb = (VOID *) (UINTN) addr;\r | |
644 | snp->db = (VOID *) ((UINTN) addr + 2048);\r | |
645 | \r | |
646 | //\r | |
647 | // pxe_start call is going to give the callback functions to UNDI, these callback\r | |
648 | // functions use the BarIndex values from the snp structure, so these must be initialized\r | |
649 | // with default values before doing a pxe_start. The correct values can be obtained after\r | |
650 | // getting the config information from UNDI\r | |
651 | //\r | |
652 | snp->MemoryBarIndex = 0;\r | |
653 | snp->IoBarIndex = 1;\r | |
654 | \r | |
655 | //\r | |
656 | // we need the undi init information many times in this snp code, just get it\r | |
657 | // once here and store it in the snp driver structure. to get Init Info\r | |
658 | // from UNDI we have to start undi first.\r | |
659 | //\r | |
660 | Status = pxe_start (snp);\r | |
661 | \r | |
662 | if (Status != EFI_SUCCESS) {\r | |
663 | goto Error_DeleteSNP;\r | |
664 | }\r | |
665 | \r | |
666 | snp->cdb.OpCode = PXE_OPCODE_GET_INIT_INFO;\r | |
667 | snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r | |
668 | \r | |
669 | snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r | |
670 | snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r | |
671 | \r | |
672 | snp->cdb.DBsize = sizeof snp->init_info;\r | |
673 | snp->cdb.DBaddr = (UINT64)(UINTN) &snp->init_info;\r | |
674 | \r | |
675 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r | |
676 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
677 | \r | |
678 | snp->cdb.IFnum = snp->if_num;\r | |
679 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
680 | \r | |
681 | DEBUG ((EFI_D_NET, "\nsnp->undi.get_init_info() "));\r | |
682 | \r | |
683 | (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);\r | |
684 | \r | |
685 | //\r | |
686 | // Save the INIT Stat Code...\r | |
687 | //\r | |
688 | InitStatFlags = snp->cdb.StatFlags;\r | |
689 | \r | |
690 | if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r | |
691 | DEBUG ((EFI_D_NET, "\nsnp->undi.init_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));\r | |
692 | pxe_stop (snp);\r | |
693 | goto Error_DeleteSNP;\r | |
694 | }\r | |
695 | \r | |
696 | snp->cdb.OpCode = PXE_OPCODE_GET_CONFIG_INFO;\r | |
697 | snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r | |
698 | \r | |
699 | snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r | |
700 | snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r | |
701 | \r | |
702 | snp->cdb.DBsize = sizeof ConfigInfo;\r | |
703 | snp->cdb.DBaddr = (UINT64)(UINTN) &ConfigInfo;\r | |
704 | \r | |
705 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r | |
706 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r | |
707 | \r | |
708 | snp->cdb.IFnum = snp->if_num;\r | |
709 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r | |
710 | \r | |
711 | DEBUG ((EFI_D_NET, "\nsnp->undi.get_config_info() "));\r | |
712 | \r | |
713 | (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);\r | |
714 | \r | |
715 | if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r | |
716 | DEBUG ((EFI_D_NET, "\nsnp->undi.config_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));\r | |
717 | pxe_stop (snp);\r | |
718 | goto Error_DeleteSNP;\r | |
719 | }\r | |
720 | //\r | |
721 | // Find the correct BAR to do IO.\r | |
722 | //\r | |
723 | //\r | |
724 | // Enumerate through the PCI BARs for the device to determine which one is\r | |
725 | // the IO BAR. Save the index of the BAR into the adapter info structure.\r | |
726 | // for regular 32bit BARs, 0 is memory mapped, 1 is io mapped\r | |
727 | //\r | |
728 | ConfigHeader = (PCI_TYPE00 *) &ConfigInfo.Config.Byte[0];\r | |
729 | TempBar = (UINT32 *) &ConfigHeader->Device.Bar[0];\r | |
730 | for (BarIndex = 0; BarIndex <= 5; BarIndex++) {\r | |
731 | if ((*TempBar & PCI_BAR_MEM_MASK) == PCI_BAR_MEM_64BIT) {\r | |
732 | //\r | |
733 | // This is a 64-bit memory bar, skip this and the\r | |
734 | // next bar as well.\r | |
735 | //\r | |
736 | TempBar++;\r | |
737 | }\r | |
738 | \r | |
739 | if ((*TempBar & PCI_BAR_IO_MASK) == PCI_BAR_IO_MODE) {\r | |
740 | snp->IoBarIndex = BarIndex;\r | |
741 | break;\r | |
742 | }\r | |
743 | \r | |
744 | TempBar++;\r | |
745 | }\r | |
746 | \r | |
747 | //\r | |
748 | // Initialize simple network protocol mode structure\r | |
749 | //\r | |
750 | snp->mode.State = EfiSimpleNetworkStopped;\r | |
751 | snp->mode.HwAddressSize = snp->init_info.HWaddrLen;\r | |
752 | snp->mode.MediaHeaderSize = snp->init_info.MediaHeaderLen;\r | |
753 | snp->mode.MaxPacketSize = snp->init_info.FrameDataLen;\r | |
754 | snp->mode.NvRamAccessSize = snp->init_info.NvWidth;\r | |
755 | snp->mode.NvRamSize = snp->init_info.NvCount * snp->mode.NvRamAccessSize;\r | |
756 | snp->mode.IfType = snp->init_info.IFtype;\r | |
757 | snp->mode.MaxMCastFilterCount = snp->init_info.MCastFilterCnt;\r | |
758 | snp->mode.MCastFilterCount = 0;\r | |
759 | \r | |
760 | switch (InitStatFlags & PXE_STATFLAGS_CABLE_DETECT_MASK) {\r | |
761 | case PXE_STATFLAGS_CABLE_DETECT_SUPPORTED:\r | |
762 | snp->mode.MediaPresentSupported = TRUE;\r | |
763 | break;\r | |
764 | \r | |
765 | case PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED:\r | |
766 | default:\r | |
767 | snp->mode.MediaPresentSupported = FALSE;\r | |
768 | }\r | |
769 | \r | |
770 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_STATION_ADDR_SETTABLE) != 0) {\r | |
771 | snp->mode.MacAddressChangeable = TRUE;\r | |
772 | } else {\r | |
773 | snp->mode.MacAddressChangeable = FALSE;\r | |
774 | }\r | |
775 | \r | |
776 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED) != 0) {\r | |
777 | snp->mode.MultipleTxSupported = TRUE;\r | |
778 | } else {\r | |
779 | snp->mode.MultipleTxSupported = FALSE;\r | |
780 | }\r | |
781 | \r | |
782 | snp->mode.ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r | |
783 | \r | |
784 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {\r | |
785 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
786 | \r | |
787 | }\r | |
788 | \r | |
789 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r | |
790 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
791 | \r | |
792 | }\r | |
793 | \r | |
794 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r | |
795 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r | |
796 | \r | |
797 | }\r | |
798 | \r | |
799 | if ((pxe->hw.Implementation & PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED) != 0) {\r | |
800 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r | |
801 | \r | |
802 | }\r | |
803 | \r | |
804 | if (pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) {\r | |
805 | snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
806 | \r | |
807 | }\r | |
808 | \r | |
809 | snp->mode.ReceiveFilterSetting = 0;\r | |
810 | \r | |
811 | //\r | |
812 | // need to get the station address to save in the mode structure. we need to\r | |
813 | // initialize the UNDI first for this.\r | |
814 | //\r | |
815 | snp->tx_rx_bufsize = snp->init_info.MemoryRequired;\r | |
816 | Status = pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);\r | |
817 | \r | |
818 | if (Status) {\r | |
819 | pxe_stop (snp);\r | |
820 | goto Error_DeleteSNP;\r | |
821 | }\r | |
822 | \r | |
823 | Status = pxe_get_stn_addr (snp);\r | |
824 | \r | |
825 | if (Status != EFI_SUCCESS) {\r | |
826 | DEBUG ((EFI_D_ERROR, "\nsnp->undi.get_station_addr() failed.\n"));\r | |
827 | pxe_shutdown (snp);\r | |
828 | pxe_stop (snp);\r | |
829 | goto Error_DeleteSNP;\r | |
830 | }\r | |
831 | \r | |
832 | snp->mode.MediaPresent = FALSE;\r | |
833 | \r | |
834 | //\r | |
835 | // We should not leave UNDI started and initialized here. this DriverStart()\r | |
836 | // routine must only find and attach the SNP interface to UNDI layer that it\r | |
837 | // finds on the given handle!\r | |
838 | // The UNDI layer will be started when upper layers call snp->start.\r | |
839 | // How ever, this DriverStart() must fill up the snp mode structure which\r | |
840 | // contains the MAC address of the NIC. For this reason we started and\r | |
841 | // initialized UNDI here, now we are done, do a shutdown and stop of the\r | |
842 | // UNDI interface!\r | |
843 | //\r | |
844 | pxe_shutdown (snp);\r | |
845 | pxe_stop (snp);\r | |
846 | \r | |
847 | //\r | |
848 | // add SNP to the undi handle\r | |
849 | //\r | |
850 | Status = gBS->InstallProtocolInterface (\r | |
851 | &Controller,\r | |
852 | &gEfiSimpleNetworkProtocolGuid,\r | |
853 | EFI_NATIVE_INTERFACE,\r | |
854 | &(snp->snp)\r | |
855 | );\r | |
856 | \r | |
857 | if (!EFI_ERROR (Status)) {\r | |
858 | return Status;\r | |
859 | }\r | |
860 | \r | |
861 | Status = mPciIoFncs->FreeBuffer (\r | |
862 | mPciIoFncs,\r | |
863 | SNP_MEM_PAGES (4096),\r | |
864 | snp->cpb\r | |
865 | );\r | |
866 | \r | |
867 | Error_DeleteSNP:\r | |
868 | \r | |
869 | mPciIoFncs->FreeBuffer (\r | |
870 | mPciIoFncs,\r | |
871 | SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r | |
872 | snp\r | |
873 | );\r | |
874 | NiiError:\r | |
875 | gBS->CloseProtocol (\r | |
876 | Controller,\r | |
877 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
878 | This->DriverBindingHandle,\r | |
879 | Controller\r | |
880 | );\r | |
881 | \r | |
882 | gBS->CloseProtocol (\r | |
883 | Controller,\r | |
884 | &gEfiDevicePathProtocolGuid,\r | |
885 | This->DriverBindingHandle,\r | |
886 | Controller\r | |
887 | );\r | |
888 | \r | |
889 | return Status;\r | |
890 | }\r | |
891 | \r | |
892 | \r | |
893 | /**\r | |
894 | \r | |
895 | \r | |
896 | \r | |
897 | **/\r | |
898 | EFI_STATUS\r | |
899 | EFIAPI\r | |
900 | SimpleNetworkDriverStop (\r | |
901 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
902 | IN EFI_HANDLE Controller,\r | |
903 | IN UINTN NumberOfChildren,\r | |
904 | IN EFI_HANDLE *ChildHandleBuffer\r | |
905 | )\r | |
906 | {\r | |
907 | EFI_STATUS Status;\r | |
908 | EFI_SIMPLE_NETWORK_PROTOCOL *SnpProtocol;\r | |
909 | SNP_DRIVER *Snp;\r | |
910 | \r | |
911 | //\r | |
912 | // Get our context back.\r | |
913 | //\r | |
914 | Status = gBS->OpenProtocol (\r | |
915 | Controller,\r | |
916 | &gEfiSimpleNetworkProtocolGuid,\r | |
917 | (VOID **) &SnpProtocol,\r | |
918 | This->DriverBindingHandle,\r | |
919 | Controller,\r | |
920 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
921 | );\r | |
922 | \r | |
923 | if (EFI_ERROR (Status)) {\r | |
924 | return EFI_UNSUPPORTED;\r | |
925 | }\r | |
926 | \r | |
927 | Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (SnpProtocol);\r | |
928 | \r | |
929 | Status = gBS->UninstallProtocolInterface (\r | |
930 | Controller,\r | |
931 | &gEfiSimpleNetworkProtocolGuid,\r | |
932 | &Snp->snp\r | |
933 | );\r | |
934 | \r | |
935 | if (EFI_ERROR (Status)) {\r | |
936 | return Status;\r | |
937 | }\r | |
938 | \r | |
939 | Status = gBS->CloseProtocol (\r | |
940 | Controller,\r | |
941 | &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r | |
942 | This->DriverBindingHandle,\r | |
943 | Controller\r | |
944 | );\r | |
945 | \r | |
946 | Status = gBS->CloseProtocol (\r | |
947 | Controller,\r | |
948 | &gEfiDevicePathProtocolGuid,\r | |
949 | This->DriverBindingHandle,\r | |
950 | Controller\r | |
951 | );\r | |
952 | \r | |
953 | pxe_shutdown (Snp);\r | |
954 | pxe_stop (Snp);\r | |
955 | \r | |
956 | mPciIoFncs->FreeBuffer (\r | |
957 | mPciIoFncs,\r | |
958 | SNP_MEM_PAGES (4096),\r | |
959 | Snp->cpb\r | |
960 | );\r | |
961 | \r | |
962 | mPciIoFncs->FreeBuffer (\r | |
963 | mPciIoFncs,\r | |
964 | SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r | |
965 | Snp\r | |
966 | );\r | |
967 | \r | |
968 | return Status;\r | |
969 | }\r | |
970 | \r | |
971 | \r | |
972 | /**\r | |
973 | Install all the driver protocol\r | |
974 | \r | |
975 | @param entry EFI_IMAGE_ENTRY_POINT)\r | |
976 | \r | |
977 | @retval EFI_SUCEESS Initialization routine has found UNDI hardware,\r | |
978 | loaded it's ROM, and installed a notify event for\r | |
979 | the Network Indentifier Interface Protocol\r | |
980 | successfully.\r | |
981 | @retval Other Return value from HandleProtocol for\r | |
982 | DeviceIoProtocol or LoadedImageProtocol\r | |
983 | \r | |
984 | **/\r | |
985 | EFI_STATUS\r | |
986 | EFIAPI\r | |
987 | InitializeSnpNiiDriver (\r | |
988 | IN EFI_HANDLE ImageHandle,\r | |
989 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
990 | )\r | |
991 | {\r | |
992 | return EfiLibInstallDriverBindingComponentName2 (\r | |
993 | ImageHandle,\r | |
994 | SystemTable,\r | |
995 | &mSimpleNetworkDriverBinding,\r | |
996 | NULL,\r | |
997 | &gSimpleNetworkComponentName,\r | |
998 | &gSimpleNetworkComponentName2\r | |
999 | );\r | |
1000 | }\r |