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8a67d61d | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2005 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | MnpConfig.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Implementation of Managed Network Protocol private services.\r | |
19 | \r | |
20 | \r | |
21 | **/\r | |
22 | \r | |
23 | \r | |
24 | #include "MnpImpl.h"\r | |
25 | \r | |
26 | EFI_SERVICE_BINDING_PROTOCOL mMnpServiceBindingProtocol = {\r | |
27 | MnpServiceBindingCreateChild,\r | |
28 | MnpServiceBindingDestroyChild\r | |
29 | };\r | |
30 | \r | |
31 | EFI_MANAGED_NETWORK_PROTOCOL mMnpProtocolTemplate = {\r | |
32 | MnpGetModeData,\r | |
33 | MnpConfigure,\r | |
34 | MnpMcastIpToMac,\r | |
35 | MnpGroups,\r | |
36 | MnpTransmit,\r | |
37 | MnpReceive,\r | |
38 | MnpCancel,\r | |
39 | MnpPoll\r | |
40 | };\r | |
41 | \r | |
42 | EFI_MANAGED_NETWORK_CONFIG_DATA mMnpDefaultConfigData = {\r | |
43 | 10000,\r | |
44 | 10000,\r | |
45 | 0,\r | |
46 | FALSE,\r | |
47 | FALSE,\r | |
48 | FALSE,\r | |
49 | FALSE,\r | |
50 | FALSE,\r | |
51 | FALSE,\r | |
52 | FALSE\r | |
53 | };\r | |
54 | \r | |
55 | STATIC\r | |
56 | EFI_STATUS\r | |
57 | MnpAddFreeNbuf (\r | |
58 | IN MNP_SERVICE_DATA *MnpServiceData,\r | |
59 | IN UINTN Count\r | |
60 | );\r | |
61 | \r | |
62 | STATIC\r | |
63 | EFI_STATUS\r | |
64 | MnpStartSnp (\r | |
65 | IN EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r | |
66 | );\r | |
67 | \r | |
68 | STATIC\r | |
69 | EFI_STATUS\r | |
70 | MnpStopSnp (\r | |
71 | IN EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r | |
72 | );\r | |
73 | \r | |
74 | STATIC\r | |
75 | EFI_STATUS\r | |
76 | MnpStart (\r | |
77 | IN MNP_SERVICE_DATA *MnpServiceData,\r | |
78 | IN BOOLEAN IsConfigUpdate,\r | |
79 | IN BOOLEAN EnableSystemPoll\r | |
80 | );\r | |
81 | \r | |
82 | STATIC\r | |
83 | EFI_STATUS\r | |
84 | MnpStop (\r | |
85 | IN MNP_SERVICE_DATA *MnpServiceData\r | |
86 | );\r | |
87 | \r | |
88 | STATIC\r | |
89 | EFI_STATUS\r | |
90 | MnpConfigReceiveFilters (\r | |
91 | IN MNP_SERVICE_DATA *MnpServiceData\r | |
92 | );\r | |
93 | \r | |
94 | STATIC\r | |
95 | EFI_STATUS\r | |
96 | MnpGroupOpAddCtrlBlk (\r | |
97 | IN MNP_INSTANCE_DATA *Instance,\r | |
98 | IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk,\r | |
99 | IN MNP_GROUP_ADDRESS *GroupAddress OPTIONAL,\r | |
100 | IN EFI_MAC_ADDRESS *MacAddress,\r | |
101 | IN UINT32 HwAddressSize\r | |
102 | );\r | |
103 | \r | |
104 | STATIC\r | |
105 | BOOLEAN\r | |
106 | MnpGroupOpDelCtrlBlk (\r | |
107 | IN MNP_INSTANCE_DATA *Instance,\r | |
108 | IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk\r | |
109 | );\r | |
110 | \r | |
111 | \r | |
112 | /**\r | |
113 | Add some NET_BUF into MnpServiceData->FreeNbufQue. The buffer length of\r | |
114 | the NET_BUF is specified by MnpServiceData->BufferLength.\r | |
115 | \r | |
116 | @param MnpServiceData Pointer to the MNP_SERVICE_DATA.\r | |
117 | @param Count Number of NET_BUFFERs to add.\r | |
118 | \r | |
119 | @retval EFI_SUCCESS The specified amount of NET_BUFs are allocated and\r | |
120 | added into MnpServiceData->FreeNbufQue.\r | |
121 | @retval EFI_OUT_OF_RESOURCES Failed to allocate a NET_BUF structure.\r | |
122 | \r | |
123 | **/\r | |
124 | STATIC\r | |
125 | EFI_STATUS\r | |
126 | MnpAddFreeNbuf (\r | |
127 | IN MNP_SERVICE_DATA *MnpServiceData,\r | |
128 | IN UINTN Count\r | |
129 | )\r | |
130 | {\r | |
131 | EFI_STATUS Status;\r | |
132 | UINTN Index;\r | |
133 | NET_BUF *Nbuf;\r | |
134 | \r | |
135 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
136 | ASSERT ((Count > 0) && (MnpServiceData->BufferLength > 0));\r | |
137 | \r | |
138 | Status = EFI_SUCCESS;\r | |
139 | \r | |
140 | for (Index = 0; Index < Count; Index++) {\r | |
141 | \r | |
142 | Nbuf = NetbufAlloc (MnpServiceData->BufferLength);\r | |
143 | if (Nbuf == NULL) {\r | |
144 | \r | |
145 | MNP_DEBUG_ERROR (("MnpAddFreeNbuf: NetBufAlloc failed.\n"));\r | |
146 | Status = EFI_OUT_OF_RESOURCES;\r | |
147 | break;\r | |
148 | }\r | |
149 | \r | |
150 | NetbufQueAppend (&MnpServiceData->FreeNbufQue, Nbuf);\r | |
151 | }\r | |
152 | \r | |
153 | MnpServiceData->NbufCnt += Index;\r | |
154 | \r | |
155 | return Status;\r | |
156 | }\r | |
157 | \r | |
158 | \r | |
159 | /**\r | |
160 | Allocate a free NET_BUF from MnpServiceData->FreeNbufQue. If there is none\r | |
161 | in the queue, first try to allocate some and add them into the queue, then\r | |
162 | fetch the NET_BUF from the updated FreeNbufQue.\r | |
163 | \r | |
164 | @param MnpServiceData Pointer to the MNP_SERVICE_DATA.\r | |
165 | \r | |
166 | @return Pointer to the allocated free NET_BUF structure, if NULL the operation is failed.\r | |
167 | \r | |
168 | **/\r | |
169 | NET_BUF *\r | |
170 | MnpAllocNbuf (\r | |
171 | IN MNP_SERVICE_DATA *MnpServiceData\r | |
172 | )\r | |
173 | {\r | |
174 | EFI_STATUS Status;\r | |
175 | NET_BUF_QUEUE *FreeNbufQue;\r | |
176 | NET_BUF *Nbuf;\r | |
177 | EFI_TPL OldTpl;\r | |
178 | \r | |
179 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
180 | \r | |
181 | FreeNbufQue = &MnpServiceData->FreeNbufQue;\r | |
182 | \r | |
183 | OldTpl = NET_RAISE_TPL (NET_TPL_RECYCLE);\r | |
184 | \r | |
185 | //\r | |
186 | // Check whether there are available buffers, or else try to add some.\r | |
187 | //\r | |
188 | if (FreeNbufQue->BufNum == 0) {\r | |
189 | \r | |
190 | if ((MnpServiceData->NbufCnt + MNP_NET_BUFFER_INCREASEMENT) > MNP_MAX_NET_BUFFER_NUM) {\r | |
191 | \r | |
192 | MNP_DEBUG_ERROR (\r | |
193 | ("MnpAllocNbuf: The maximum NET_BUF size is reached for MNP driver instance %p.\n",\r | |
194 | MnpServiceData)\r | |
195 | );\r | |
196 | \r | |
197 | Nbuf = NULL;\r | |
198 | goto ON_EXIT;\r | |
199 | }\r | |
200 | \r | |
201 | Status = MnpAddFreeNbuf (MnpServiceData, MNP_NET_BUFFER_INCREASEMENT);\r | |
202 | if (EFI_ERROR (Status)) {\r | |
203 | \r | |
204 | MNP_DEBUG_ERROR (\r | |
205 | ("MnpAllocNbuf: Failed to add NET_BUFs into the FreeNbufQue, %r.\n",\r | |
206 | Status)\r | |
207 | );\r | |
208 | //\r | |
209 | // Don't return NULL, perhaps MnpAddFreeNbuf does add some NET_BUFs but\r | |
210 | // the amount is less than MNP_NET_BUFFER_INCREASEMENT.\r | |
211 | //\r | |
212 | }\r | |
213 | }\r | |
214 | \r | |
215 | Nbuf = NetbufQueRemove (FreeNbufQue);\r | |
216 | \r | |
217 | //\r | |
218 | // Increase the RefCnt.\r | |
219 | //\r | |
220 | if (Nbuf != NULL) {\r | |
221 | NET_GET_REF (Nbuf);\r | |
222 | }\r | |
223 | \r | |
224 | ON_EXIT:\r | |
225 | NET_RESTORE_TPL (OldTpl);\r | |
226 | \r | |
227 | return Nbuf;\r | |
228 | }\r | |
229 | \r | |
230 | \r | |
231 | /**\r | |
232 | Try to reclaim the Nbuf into the buffer pool.\r | |
233 | \r | |
234 | @param MnpServiceData Pointer to the mnp service context data.\r | |
235 | @param Nbuf Pointer to the NET_BUF to free.\r | |
236 | \r | |
237 | @return None.\r | |
238 | \r | |
239 | **/\r | |
240 | VOID\r | |
241 | MnpFreeNbuf (\r | |
242 | IN MNP_SERVICE_DATA *MnpServiceData,\r | |
243 | IN NET_BUF *Nbuf\r | |
244 | )\r | |
245 | {\r | |
246 | EFI_TPL OldTpl;\r | |
247 | \r | |
248 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
249 | ASSERT (Nbuf->RefCnt > 1);\r | |
250 | \r | |
251 | OldTpl = NET_RAISE_TPL (NET_TPL_RECYCLE);\r | |
252 | \r | |
253 | NET_PUT_REF (Nbuf);\r | |
254 | \r | |
255 | if (Nbuf->RefCnt == 1) {\r | |
256 | //\r | |
257 | // Trim all buffer contained in the Nbuf, then append it to the NbufQue.\r | |
258 | //\r | |
259 | NetbufTrim (Nbuf, Nbuf->TotalSize, NET_BUF_TAIL);\r | |
260 | NetbufQueAppend (&MnpServiceData->FreeNbufQue, Nbuf);\r | |
261 | }\r | |
262 | \r | |
263 | NET_RESTORE_TPL (OldTpl);\r | |
264 | }\r | |
265 | \r | |
266 | \r | |
267 | /**\r | |
268 | Initialize the mnp service context data.\r | |
269 | \r | |
270 | @param MnpServiceData Pointer to the mnp service context data.\r | |
271 | @param Snp Pointer to the simple network protocol.\r | |
272 | \r | |
273 | @retval EFI_SUCCESS The mnp service context is initialized.\r | |
274 | @retval Other Some error occurs.\r | |
275 | \r | |
276 | **/\r | |
277 | EFI_STATUS\r | |
278 | MnpInitializeServiceData (\r | |
279 | IN MNP_SERVICE_DATA *MnpServiceData,\r | |
280 | IN EFI_HANDLE ImageHandle,\r | |
281 | IN EFI_HANDLE ControllerHandle\r | |
282 | )\r | |
283 | {\r | |
284 | EFI_STATUS Status;\r | |
285 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
286 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
287 | \r | |
288 | MnpServiceData->Signature = MNP_SERVICE_DATA_SIGNATURE;\r | |
289 | \r | |
290 | MnpServiceData->ControllerHandle = ControllerHandle;\r | |
291 | \r | |
292 | //\r | |
293 | // Copy the ServiceBinding structure.\r | |
294 | //\r | |
295 | MnpServiceData->ServiceBinding = mMnpServiceBindingProtocol;\r | |
296 | \r | |
297 | //\r | |
298 | // Open the Simple Network protocol.\r | |
299 | //\r | |
300 | Status = gBS->OpenProtocol (\r | |
301 | ControllerHandle,\r | |
302 | &gEfiSimpleNetworkProtocolGuid,\r | |
303 | (VOID **) &Snp,\r | |
304 | ImageHandle,\r | |
305 | ControllerHandle,\r | |
306 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
307 | );\r | |
308 | if (EFI_ERROR (Status)) {\r | |
309 | return EFI_UNSUPPORTED;\r | |
310 | }\r | |
311 | \r | |
312 | //\r | |
313 | // Get MTU from Snp.\r | |
314 | //\r | |
315 | SnpMode = Snp->Mode;\r | |
316 | MnpServiceData->Snp = Snp;\r | |
317 | MnpServiceData->Mtu = SnpMode->MaxPacketSize;\r | |
318 | \r | |
319 | //\r | |
320 | // Initialize the lists.\r | |
321 | //\r | |
322 | NetListInit (&MnpServiceData->GroupAddressList);\r | |
323 | NetListInit (&MnpServiceData->ChildrenList);\r | |
324 | \r | |
325 | //\r | |
326 | // Get the buffer length used to allocate NET_BUF to hold data received\r | |
327 | // from SNP. Do this before fill the FreeNetBufQue.\r | |
328 | //\r | |
329 | MnpServiceData->BufferLength = MnpServiceData->Mtu + SnpMode->MediaHeaderSize + NET_ETHER_FCS_SIZE;\r | |
330 | \r | |
331 | //\r | |
332 | // Initialize the FreeNetBufQue and pre-allocate some NET_BUFs.\r | |
333 | //\r | |
334 | NetbufQueInit (&MnpServiceData->FreeNbufQue);\r | |
335 | Status = MnpAddFreeNbuf (MnpServiceData, MNP_INIT_NET_BUFFER_NUM);\r | |
336 | if (EFI_ERROR (Status)) {\r | |
337 | \r | |
338 | MNP_DEBUG_ERROR (("MnpInitializeServiceData: MnpAddFreeNbuf failed, %r.\n", Status));\r | |
339 | goto ERROR;\r | |
340 | }\r | |
341 | //\r | |
342 | // Get one NET_BUF from the FreeNbufQue for rx cache.\r | |
343 | //\r | |
344 | MnpServiceData->RxNbufCache = MnpAllocNbuf (MnpServiceData);\r | |
345 | NetbufAllocSpace (\r | |
346 | MnpServiceData->RxNbufCache,\r | |
347 | MnpServiceData->BufferLength,\r | |
348 | NET_BUF_TAIL\r | |
349 | );\r | |
350 | \r | |
351 | //\r | |
352 | // Allocate buffer pool for tx.\r | |
353 | //\r | |
354 | MnpServiceData->TxBuf = NetAllocatePool (MnpServiceData->Mtu + SnpMode->MediaHeaderSize);\r | |
355 | if (MnpServiceData->TxBuf == NULL) {\r | |
356 | \r | |
357 | MNP_DEBUG_ERROR (("MnpInitializeServiceData: NetAllocatePool failed.\n"));\r | |
358 | Status = EFI_OUT_OF_RESOURCES;\r | |
359 | \r | |
360 | goto ERROR;\r | |
361 | }\r | |
362 | \r | |
363 | //\r | |
364 | // Create the system poll timer.\r | |
365 | //\r | |
366 | Status = gBS->CreateEvent (\r | |
367 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
368 | NET_TPL_LOCK,\r | |
369 | MnpSystemPoll,\r | |
370 | MnpServiceData,\r | |
371 | &MnpServiceData->PollTimer\r | |
372 | );\r | |
373 | if (EFI_ERROR (Status)) {\r | |
374 | \r | |
375 | MNP_DEBUG_ERROR (("MnpInitializeServiceData: CreateEvent for poll timer failed.\n"));\r | |
376 | goto ERROR;\r | |
377 | }\r | |
378 | \r | |
379 | //\r | |
380 | // Create the timer for packet timeout check.\r | |
381 | //\r | |
382 | Status = gBS->CreateEvent (\r | |
383 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
384 | NET_TPL_EVENT,\r | |
385 | MnpCheckPacketTimeout,\r | |
386 | MnpServiceData,\r | |
387 | &MnpServiceData->TimeoutCheckTimer\r | |
388 | );\r | |
389 | if (EFI_ERROR (Status)) {\r | |
390 | \r | |
391 | MNP_DEBUG_ERROR (("MnpInitializeServiceData: CreateEvent for packet timeout check failed.\n"));\r | |
392 | goto ERROR;\r | |
393 | }\r | |
394 | \r | |
395 | //\r | |
396 | // Create the timer for tx timeout check.\r | |
397 | //\r | |
398 | Status = gBS->CreateEvent (\r | |
399 | EVT_TIMER,\r | |
400 | NET_TPL_SLOW_TIMER,\r | |
401 | NULL,\r | |
402 | NULL,\r | |
403 | &MnpServiceData->TxTimeoutEvent\r | |
404 | );\r | |
405 | if (EFI_ERROR (Status)) {\r | |
406 | \r | |
407 | MNP_DEBUG_ERROR (("MnpInitializeServiceData: CreateEvent for tx timeout event failed.\n"));\r | |
408 | }\r | |
409 | \r | |
410 | ERROR:\r | |
411 | \r | |
412 | if (EFI_ERROR (Status)) {\r | |
413 | //\r | |
414 | // Free the dynamic allocated resources if necessary.\r | |
415 | //\r | |
416 | if (MnpServiceData->TimeoutCheckTimer != NULL) {\r | |
417 | \r | |
418 | gBS->CloseEvent (MnpServiceData->TimeoutCheckTimer);\r | |
419 | }\r | |
420 | \r | |
421 | if (MnpServiceData->PollTimer != NULL) {\r | |
422 | \r | |
423 | gBS->CloseEvent (MnpServiceData->PollTimer);\r | |
424 | }\r | |
425 | \r | |
426 | if (MnpServiceData->TxBuf != NULL) {\r | |
427 | \r | |
428 | NetFreePool (MnpServiceData->TxBuf);\r | |
429 | }\r | |
430 | \r | |
431 | if (MnpServiceData->RxNbufCache != NULL) {\r | |
432 | \r | |
433 | MnpFreeNbuf (MnpServiceData, MnpServiceData->RxNbufCache);\r | |
434 | }\r | |
435 | \r | |
436 | if (MnpServiceData->FreeNbufQue.BufNum != 0) {\r | |
437 | \r | |
438 | NetbufQueFlush (&MnpServiceData->FreeNbufQue);\r | |
439 | }\r | |
440 | }\r | |
441 | \r | |
442 | return Status;\r | |
443 | }\r | |
444 | \r | |
445 | \r | |
446 | /**\r | |
447 | Flush the mnp service context data.\r | |
448 | \r | |
449 | @param MnpServiceData Pointer to the mnp service context data.\r | |
450 | \r | |
451 | @return None.\r | |
452 | \r | |
453 | **/\r | |
454 | VOID\r | |
455 | MnpFlushServiceData (\r | |
456 | MNP_SERVICE_DATA *MnpServiceData\r | |
457 | )\r | |
458 | {\r | |
459 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
460 | \r | |
461 | //\r | |
462 | // The GroupAddressList must be empty.\r | |
463 | //\r | |
464 | ASSERT (NetListIsEmpty (&MnpServiceData->GroupAddressList));\r | |
465 | \r | |
466 | //\r | |
467 | // Close the event.\r | |
468 | //\r | |
469 | gBS->CloseEvent (&MnpServiceData->TxTimeoutEvent);\r | |
470 | gBS->CloseEvent (&MnpServiceData->TimeoutCheckTimer);\r | |
471 | gBS->CloseEvent (&MnpServiceData->PollTimer);\r | |
472 | \r | |
473 | //\r | |
474 | // Free the tx buffer.\r | |
475 | //\r | |
476 | NetFreePool (MnpServiceData->TxBuf);\r | |
477 | \r | |
478 | //\r | |
479 | // Free the RxNbufCache.\r | |
480 | //\r | |
481 | MnpFreeNbuf (MnpServiceData, MnpServiceData->RxNbufCache);\r | |
482 | \r | |
483 | //\r | |
484 | // Flush the FreeNbufQue.\r | |
485 | //\r | |
486 | MnpServiceData->NbufCnt -= MnpServiceData->FreeNbufQue.BufNum;\r | |
487 | NetbufQueFlush (&MnpServiceData->FreeNbufQue);\r | |
488 | \r | |
489 | DEBUG_CODE (\r | |
490 | \r | |
491 | if (MnpServiceData->NbufCnt != 0) {\r | |
492 | \r | |
493 | MNP_DEBUG_WARN (("MnpFlushServiceData: Memory leak, MnpServiceData->NbufCnt != 0.\n"));\r | |
494 | }\r | |
495 | );\r | |
496 | }\r | |
497 | \r | |
498 | \r | |
499 | /**\r | |
500 | Initialize the mnp instance context data.\r | |
501 | \r | |
502 | @param MnpServiceData Pointer to the mnp service context data.\r | |
503 | @param Instance Pointer to the mnp instance context data to\r | |
504 | initialize.\r | |
505 | \r | |
506 | @return None.\r | |
507 | \r | |
508 | **/\r | |
509 | VOID\r | |
510 | MnpInitializeInstanceData (\r | |
511 | IN MNP_SERVICE_DATA *MnpServiceData,\r | |
512 | IN MNP_INSTANCE_DATA *Instance\r | |
513 | )\r | |
514 | {\r | |
515 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
516 | ASSERT (Instance != NULL);\r | |
517 | \r | |
518 | //\r | |
519 | // Set the signature.\r | |
520 | //\r | |
521 | Instance->Signature = MNP_INSTANCE_DATA_SIGNATURE;\r | |
522 | \r | |
523 | //\r | |
524 | // Copy the MNP Protocol interfaces from the template.\r | |
525 | //\r | |
4eb65aff | 526 | CopyMem (&Instance->ManagedNetwork, &mMnpProtocolTemplate, sizeof (EFI_MANAGED_NETWORK_PROTOCOL));\r |
8a67d61d | 527 | \r |
528 | //\r | |
529 | // Copy the default config data.\r | |
530 | //\r | |
4eb65aff | 531 | CopyMem (&Instance->ConfigData, &mMnpDefaultConfigData, sizeof (EFI_MANAGED_NETWORK_CONFIG_DATA));\r |
8a67d61d | 532 | \r |
533 | //\r | |
534 | // Initialize the lists.\r | |
535 | //\r | |
536 | NetListInit (&Instance->GroupCtrlBlkList);\r | |
537 | NetListInit (&Instance->RcvdPacketQueue);\r | |
538 | NetListInit (&Instance->RxDeliveredPacketQueue);\r | |
539 | \r | |
540 | //\r | |
541 | // Initialize the RxToken Map.\r | |
542 | //\r | |
543 | NetMapInit (&Instance->RxTokenMap);\r | |
544 | \r | |
545 | //\r | |
546 | // Save the MnpServiceData info.\r | |
547 | //\r | |
548 | Instance->MnpServiceData = MnpServiceData;\r | |
549 | }\r | |
550 | \r | |
551 | \r | |
552 | /**\r | |
553 | Check whether the token specified by Arg maches the token in Item.\r | |
554 | \r | |
555 | @param Map Pointer to the NET_MAP.\r | |
556 | @param Item Pointer to the NET_MAP_ITEM\r | |
557 | @param Arg Pointer to the Arg, it's a pointer to the token to\r | |
558 | check.\r | |
559 | \r | |
560 | @retval EFI_SUCCESS The token specified by Arg is different from the\r | |
561 | token in Item.\r | |
562 | @retval EFI_ACCESS_DENIED The token specified by Arg is the same as that in\r | |
563 | Item.\r | |
564 | \r | |
565 | **/\r | |
566 | EFI_STATUS\r | |
567 | MnpTokenExist (\r | |
568 | IN NET_MAP *Map,\r | |
569 | IN NET_MAP_ITEM *Item,\r | |
570 | IN VOID *Arg\r | |
571 | )\r | |
572 | {\r | |
573 | EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token;\r | |
574 | EFI_MANAGED_NETWORK_COMPLETION_TOKEN *TokenInItem;\r | |
575 | \r | |
576 | Token = (EFI_MANAGED_NETWORK_COMPLETION_TOKEN *) Arg;\r | |
577 | TokenInItem = (EFI_MANAGED_NETWORK_COMPLETION_TOKEN *) Item->Key;\r | |
578 | \r | |
579 | if ((Token == TokenInItem) || (Token->Event == TokenInItem->Event)) {\r | |
580 | //\r | |
581 | // The token is the same either the two tokens equals or the Events in\r | |
582 | // the two tokens are the same.\r | |
583 | //\r | |
584 | return EFI_ACCESS_DENIED;\r | |
585 | }\r | |
586 | \r | |
587 | return EFI_SUCCESS;\r | |
588 | }\r | |
589 | \r | |
590 | \r | |
591 | /**\r | |
592 | Cancel the token specified by Arg if it matches the token in Item.\r | |
593 | \r | |
594 | @param Map Pointer to the NET_MAP.\r | |
595 | @param Item Pointer to the NET_MAP_ITEM\r | |
596 | @param Arg Pointer to the Arg, it's a pointer to the token to\r | |
597 | cancel.\r | |
598 | \r | |
599 | @retval EFI_SUCCESS The Arg is NULL, and the token in Item is\r | |
600 | cancelled, or the Arg isn't NULL, and the token in\r | |
601 | Item is different from the Arg.\r | |
602 | @retval EFI_ABORTED The Arg isn't NULL, the token in Item mathces the\r | |
603 | Arg, and the token is cancelled.\r | |
604 | \r | |
605 | **/\r | |
606 | EFI_STATUS\r | |
607 | MnpCancelTokens (\r | |
608 | IN NET_MAP *Map,\r | |
609 | IN NET_MAP_ITEM *Item,\r | |
610 | IN VOID *Arg\r | |
611 | )\r | |
612 | {\r | |
613 | EFI_MANAGED_NETWORK_COMPLETION_TOKEN *TokenToCancel;\r | |
614 | \r | |
615 | if ((Arg != NULL) && (Item->Key != Arg)) {\r | |
616 | //\r | |
617 | // The token in Item is not the token specified by Arg.\r | |
618 | //\r | |
619 | return EFI_SUCCESS;\r | |
620 | }\r | |
621 | \r | |
622 | TokenToCancel = (EFI_MANAGED_NETWORK_COMPLETION_TOKEN *) Item->Key;\r | |
623 | \r | |
624 | //\r | |
625 | // Cancel this token with status set to EFI_ABORTED.\r | |
626 | //\r | |
627 | TokenToCancel->Status = EFI_ABORTED;\r | |
628 | gBS->SignalEvent (TokenToCancel->Event);\r | |
629 | \r | |
630 | //\r | |
631 | // Remove the item from the map.\r | |
632 | //\r | |
633 | NetMapRemoveItem (Map, Item, NULL);\r | |
634 | \r | |
635 | if (Arg != NULL) {\r | |
636 | //\r | |
637 | // Only abort the token specified by Arg if Arg isn't NULL.\r | |
638 | //\r | |
639 | return EFI_ABORTED;\r | |
640 | }\r | |
641 | \r | |
642 | return EFI_SUCCESS;\r | |
643 | }\r | |
644 | \r | |
645 | \r | |
646 | /**\r | |
647 | Start and initialize the simple network.\r | |
648 | \r | |
649 | @param Snp Pointer to the simple network protocol.\r | |
650 | \r | |
651 | @retval EFI_SUCCESS The simple network protocol is started.\r | |
652 | @retval Other Some error occurs.\r | |
653 | \r | |
654 | **/\r | |
655 | STATIC\r | |
656 | EFI_STATUS\r | |
657 | MnpStartSnp (\r | |
658 | IN EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r | |
659 | )\r | |
660 | {\r | |
661 | EFI_STATUS Status;\r | |
662 | \r | |
663 | ASSERT (Snp != NULL);\r | |
664 | \r | |
665 | //\r | |
666 | // Start the simple network.\r | |
667 | //\r | |
668 | Status = Snp->Start (Snp);\r | |
669 | \r | |
670 | if (!EFI_ERROR (Status)) {\r | |
671 | //\r | |
672 | // Initialize the simple network.\r | |
673 | //\r | |
674 | Status = Snp->Initialize (Snp, 0, 0);\r | |
675 | }\r | |
676 | \r | |
677 | return Status;\r | |
678 | }\r | |
679 | \r | |
680 | \r | |
681 | /**\r | |
682 | Stop the simple network.\r | |
683 | \r | |
684 | @param Snp Pointer to the simple network protocol.\r | |
685 | \r | |
686 | @retval EFI_SUCCESS The simple network is stopped.\r | |
687 | @retval Other Some error occurs.\r | |
688 | \r | |
689 | **/\r | |
690 | STATIC\r | |
691 | EFI_STATUS\r | |
692 | MnpStopSnp (\r | |
693 | IN EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r | |
694 | )\r | |
695 | {\r | |
696 | EFI_STATUS Status;\r | |
697 | \r | |
698 | ASSERT (Snp != NULL);\r | |
699 | \r | |
700 | //\r | |
701 | // Shut down the simple network.\r | |
702 | //\r | |
703 | Status = Snp->Shutdown (Snp);\r | |
704 | \r | |
705 | if (!EFI_ERROR (Status)) {\r | |
706 | //\r | |
707 | // Stop the simple network.\r | |
708 | //\r | |
709 | Status = Snp->Stop (Snp);\r | |
710 | }\r | |
711 | \r | |
712 | return Status;\r | |
713 | }\r | |
714 | \r | |
715 | \r | |
716 | /**\r | |
717 | Start the managed network, this function is called when one instance is configured\r | |
718 | or reconfigured.\r | |
719 | \r | |
720 | @param MnpServiceData Pointer to the mnp service context data.\r | |
721 | @param IsConfigUpdate The instance is reconfigured or it's the first time\r | |
722 | the instanced is configured.\r | |
723 | @param EnableSystemPoll Enable the system polling or not.\r | |
724 | \r | |
725 | @retval EFI_SUCCESS The managed network is started and some\r | |
726 | configuration is updated.\r | |
727 | @retval Other Some error occurs.\r | |
728 | \r | |
729 | **/\r | |
730 | STATIC\r | |
731 | EFI_STATUS\r | |
732 | MnpStart (\r | |
733 | IN MNP_SERVICE_DATA *MnpServiceData,\r | |
734 | IN BOOLEAN IsConfigUpdate,\r | |
735 | IN BOOLEAN EnableSystemPoll\r | |
736 | )\r | |
737 | {\r | |
738 | EFI_STATUS Status;\r | |
739 | EFI_TIMER_DELAY TimerOpType;\r | |
740 | \r | |
741 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
742 | \r | |
743 | Status = EFI_SUCCESS;\r | |
744 | \r | |
745 | if (!IsConfigUpdate) {\r | |
746 | //\r | |
747 | // If it's not a configuration update, increase the configured children number.\r | |
748 | //\r | |
749 | MnpServiceData->ConfiguredChildrenNumber++;\r | |
750 | \r | |
751 | if (MnpServiceData->ConfiguredChildrenNumber == 1) {\r | |
752 | //\r | |
753 | // It's the first configured child, start the simple network.\r | |
754 | //\r | |
755 | Status = MnpStartSnp (MnpServiceData->Snp);\r | |
756 | if (EFI_ERROR (Status)) {\r | |
757 | \r | |
758 | MNP_DEBUG_ERROR (("MnpStart: MnpStartSnp failed, %r.\n", Status));\r | |
759 | goto ErrorExit;\r | |
760 | }\r | |
761 | \r | |
762 | //\r | |
763 | // Start the timeout timer.\r | |
764 | //\r | |
765 | Status = gBS->SetTimer (\r | |
766 | MnpServiceData->TimeoutCheckTimer,\r | |
767 | TimerPeriodic,\r | |
768 | MNP_TIMEOUT_CHECK_INTERVAL\r | |
769 | );\r | |
770 | if (EFI_ERROR (Status)) {\r | |
771 | \r | |
772 | MNP_DEBUG_ERROR (\r | |
773 | ("MnpStart, gBS->SetTimer for TimeoutCheckTimer %r.\n",\r | |
774 | Status)\r | |
775 | );\r | |
776 | goto ErrorExit;\r | |
777 | }\r | |
778 | }\r | |
779 | }\r | |
780 | \r | |
781 | if (MnpServiceData->EnableSystemPoll ^ EnableSystemPoll) {\r | |
782 | //\r | |
783 | // The EnableSystemPoll differs with the current state, disable or enable\r | |
784 | // the system poll.\r | |
785 | //\r | |
786 | TimerOpType = EnableSystemPoll ? TimerPeriodic : TimerCancel;\r | |
787 | \r | |
788 | Status = gBS->SetTimer (MnpServiceData->PollTimer, TimerOpType, MNP_SYS_POLL_INTERVAL);\r | |
789 | if (EFI_ERROR (Status)) {\r | |
790 | \r | |
791 | MNP_DEBUG_ERROR (("MnpStart: gBS->SetTimer for PollTimer failed, %r.\n", Status));\r | |
792 | goto ErrorExit;\r | |
793 | }\r | |
794 | \r | |
795 | MnpServiceData->EnableSystemPoll = EnableSystemPoll;\r | |
796 | }\r | |
797 | \r | |
798 | //\r | |
799 | // Change the receive filters if need.\r | |
800 | //\r | |
801 | Status = MnpConfigReceiveFilters (MnpServiceData);\r | |
802 | \r | |
803 | ErrorExit:\r | |
804 | \r | |
805 | return Status;\r | |
806 | }\r | |
807 | \r | |
808 | \r | |
809 | /**\r | |
810 | Stop the managed network.\r | |
811 | \r | |
812 | @param MnpServiceData Pointer to the mnp service context data.\r | |
813 | \r | |
814 | @retval EFI_SUCCESS The managed network is stopped.\r | |
815 | @retval Other Some error occurs.\r | |
816 | \r | |
817 | **/\r | |
818 | STATIC\r | |
819 | EFI_STATUS\r | |
820 | MnpStop (\r | |
821 | IN MNP_SERVICE_DATA *MnpServiceData\r | |
822 | )\r | |
823 | {\r | |
824 | EFI_STATUS Status;\r | |
825 | \r | |
826 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
827 | ASSERT (MnpServiceData->ConfiguredChildrenNumber > 0);\r | |
828 | \r | |
829 | //\r | |
830 | // Configure the receive filters.\r | |
831 | //\r | |
832 | MnpConfigReceiveFilters (MnpServiceData);\r | |
833 | \r | |
834 | //\r | |
835 | // Decrease the children number.\r | |
836 | //\r | |
837 | MnpServiceData->ConfiguredChildrenNumber--;\r | |
838 | \r | |
839 | if (MnpServiceData->ConfiguredChildrenNumber > 0) {\r | |
840 | //\r | |
841 | // If there are other configured chilren, return and keep the timers and\r | |
842 | // simple network unchanged.\r | |
843 | //\r | |
844 | return EFI_SUCCESS;\r | |
845 | }\r | |
846 | \r | |
847 | //\r | |
848 | // No configured children now.\r | |
849 | //\r | |
850 | \r | |
851 | if (MnpServiceData->EnableSystemPoll) {\r | |
852 | //\r | |
853 | // The system poll in on, cancel the poll timer.\r | |
854 | //\r | |
855 | Status = gBS->SetTimer (MnpServiceData->PollTimer, TimerCancel, 0);\r | |
856 | MnpServiceData->EnableSystemPoll = FALSE;\r | |
857 | }\r | |
858 | \r | |
859 | //\r | |
860 | // Cancel the timeout timer.\r | |
861 | //\r | |
862 | Status = gBS->SetTimer (MnpServiceData->TimeoutCheckTimer, TimerCancel, 0);\r | |
863 | \r | |
864 | //\r | |
865 | // Stop the simple network.\r | |
866 | //\r | |
867 | Status = MnpStopSnp (MnpServiceData->Snp);\r | |
868 | \r | |
869 | return Status;\r | |
870 | }\r | |
871 | \r | |
872 | \r | |
873 | /**\r | |
874 | Flush the instance's received data.\r | |
875 | \r | |
876 | @param Instance Pointer to the mnp instance context data.\r | |
877 | \r | |
878 | @return None.\r | |
879 | \r | |
880 | **/\r | |
881 | VOID\r | |
882 | MnpFlushRcvdDataQueue (\r | |
883 | IN MNP_INSTANCE_DATA *Instance\r | |
884 | )\r | |
885 | {\r | |
886 | EFI_TPL OldTpl;\r | |
887 | MNP_RXDATA_WRAP *RxDataWrap;\r | |
888 | \r | |
889 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
890 | \r | |
891 | OldTpl = NET_RAISE_TPL (NET_TPL_RECYCLE);\r | |
892 | \r | |
893 | while (!NetListIsEmpty (&Instance->RcvdPacketQueue)) {\r | |
894 | //\r | |
895 | // Remove all the Wraps.\r | |
896 | //\r | |
897 | RxDataWrap = NET_LIST_HEAD (&Instance->RcvdPacketQueue, MNP_RXDATA_WRAP, WrapEntry);\r | |
898 | \r | |
899 | //\r | |
900 | // Recycle the RxDataWrap.\r | |
901 | //\r | |
902 | MnpRecycleRxData (NULL, (VOID *) RxDataWrap);\r | |
903 | Instance->RcvdPacketQueueSize--;\r | |
904 | }\r | |
905 | \r | |
906 | ASSERT (Instance->RcvdPacketQueueSize == 0);\r | |
907 | \r | |
908 | NET_RESTORE_TPL (OldTpl);\r | |
909 | }\r | |
910 | \r | |
911 | \r | |
912 | /**\r | |
913 | Configure the Instance using ConfigData.\r | |
914 | \r | |
915 | @param Instance Pointer to the mnp instance context data.\r | |
916 | @param ConfigData Pointer to the configuration data used to configure\r | |
917 | the isntance.\r | |
918 | \r | |
919 | @retval EFI_SUCCESS The Instance is configured.\r | |
920 | @retval EFI_UNSUPPORTED EnableReceiveTimestamps is on and the\r | |
921 | implementation doesn't support it.\r | |
922 | @retval Other Some error occurs.\r | |
923 | \r | |
924 | **/\r | |
925 | EFI_STATUS\r | |
926 | MnpConfigureInstance (\r | |
927 | IN MNP_INSTANCE_DATA *Instance,\r | |
928 | IN EFI_MANAGED_NETWORK_CONFIG_DATA *ConfigData OPTIONAL\r | |
929 | )\r | |
930 | {\r | |
931 | EFI_STATUS Status;\r | |
932 | MNP_SERVICE_DATA *MnpServiceData;\r | |
933 | EFI_MANAGED_NETWORK_CONFIG_DATA *OldConfigData;\r | |
934 | EFI_MANAGED_NETWORK_CONFIG_DATA *NewConfigData;\r | |
935 | BOOLEAN IsConfigUpdate;\r | |
936 | \r | |
937 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
938 | \r | |
939 | if ((ConfigData != NULL) && ConfigData->EnableReceiveTimestamps) {\r | |
940 | //\r | |
941 | // Don't support timestamp.\r | |
942 | //\r | |
943 | return EFI_UNSUPPORTED;\r | |
944 | }\r | |
945 | \r | |
946 | Status = EFI_SUCCESS;\r | |
947 | \r | |
948 | MnpServiceData = Instance->MnpServiceData;\r | |
949 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
950 | \r | |
951 | IsConfigUpdate = (BOOLEAN) ((Instance->Configured) && (ConfigData != NULL));\r | |
952 | \r | |
953 | OldConfigData = &Instance->ConfigData;\r | |
954 | NewConfigData = ConfigData;\r | |
955 | if (NewConfigData == NULL) {\r | |
956 | //\r | |
957 | // Restore back the default config data if a reset of this instance\r | |
958 | // is required.\r | |
959 | //\r | |
960 | NewConfigData = &mMnpDefaultConfigData;\r | |
961 | }\r | |
962 | \r | |
963 | //\r | |
964 | // Reset the instance's receive filter.\r | |
965 | //\r | |
966 | Instance->ReceiveFilter = 0;\r | |
967 | \r | |
968 | //\r | |
969 | // Clear the receive counters according to the old ConfigData.\r | |
970 | //\r | |
971 | if (OldConfigData->EnableUnicastReceive) {\r | |
972 | MnpServiceData->UnicastCount--;\r | |
973 | }\r | |
974 | \r | |
975 | if (OldConfigData->EnableMulticastReceive) {\r | |
976 | MnpServiceData->MulticastCount--;\r | |
977 | }\r | |
978 | \r | |
979 | if (OldConfigData->EnableBroadcastReceive) {\r | |
980 | MnpServiceData->BroadcastCount--;\r | |
981 | }\r | |
982 | \r | |
983 | if (OldConfigData->EnablePromiscuousReceive) {\r | |
984 | MnpServiceData->PromiscuousCount--;\r | |
985 | }\r | |
986 | \r | |
987 | //\r | |
988 | // Set the receive filter counters and the receive filter of the\r | |
989 | // instance according to the new ConfigData.\r | |
990 | //\r | |
991 | if (NewConfigData->EnableUnicastReceive) {\r | |
992 | MnpServiceData->UnicastCount++;\r | |
993 | Instance->ReceiveFilter |= MNP_RECEIVE_UNICAST;\r | |
994 | }\r | |
995 | \r | |
996 | if (NewConfigData->EnableMulticastReceive) {\r | |
997 | MnpServiceData->MulticastCount++;\r | |
998 | }\r | |
999 | \r | |
1000 | if (NewConfigData->EnableBroadcastReceive) {\r | |
1001 | MnpServiceData->BroadcastCount++;\r | |
1002 | Instance->ReceiveFilter |= MNP_RECEIVE_BROADCAST;\r | |
1003 | }\r | |
1004 | \r | |
1005 | if (NewConfigData->EnablePromiscuousReceive) {\r | |
1006 | MnpServiceData->PromiscuousCount++;\r | |
1007 | }\r | |
1008 | \r | |
1009 | if (OldConfigData->FlushQueuesOnReset) {\r | |
1010 | \r | |
1011 | MnpFlushRcvdDataQueue (Instance);\r | |
1012 | }\r | |
1013 | \r | |
1014 | if (ConfigData == NULL) {\r | |
1015 | \r | |
1016 | NetMapIterate (&Instance->RxTokenMap, MnpCancelTokens, NULL);\r | |
1017 | }\r | |
1018 | \r | |
1019 | if (!NewConfigData->EnableMulticastReceive) {\r | |
1020 | \r | |
1021 | MnpGroupOp (Instance, FALSE, NULL, NULL);\r | |
1022 | }\r | |
1023 | \r | |
1024 | //\r | |
1025 | // Save the new configuration data.\r | |
1026 | //\r | |
4eb65aff | 1027 | CopyMem (OldConfigData, NewConfigData, sizeof (EFI_MANAGED_NETWORK_CONFIG_DATA));\r |
8a67d61d | 1028 | \r |
1029 | Instance->Configured = (BOOLEAN) (ConfigData != NULL);\r | |
1030 | \r | |
1031 | if (Instance->Configured) {\r | |
1032 | //\r | |
1033 | // The instance is configured, start the Mnp.\r | |
1034 | //\r | |
1035 | Status = MnpStart (\r | |
1036 | MnpServiceData,\r | |
1037 | IsConfigUpdate,\r | |
4eb65aff | 1038 | (BOOLEAN) !NewConfigData->DisableBackgroundPolling\r |
8a67d61d | 1039 | );\r |
1040 | } else {\r | |
1041 | //\r | |
1042 | // The instance is changed to the unconfigured state, stop the Mnp.\r | |
1043 | //\r | |
1044 | Status = MnpStop (MnpServiceData);\r | |
1045 | }\r | |
1046 | \r | |
1047 | return Status;\r | |
1048 | }\r | |
1049 | \r | |
1050 | \r | |
1051 | /**\r | |
1052 | Configure the Snp receive filters according to the instances' receive filter\r | |
1053 | settings.\r | |
1054 | \r | |
1055 | @param MnpServiceData Pointer to the mnp service context data.\r | |
1056 | \r | |
1057 | @retval EFI_SUCCESS The receive filters is configured.\r | |
1058 | @retval EFI_OUT_OF_RESOURCES The receive filters can't be configured due to lack\r | |
1059 | of memory resource.\r | |
1060 | \r | |
1061 | **/\r | |
1062 | STATIC\r | |
1063 | EFI_STATUS\r | |
1064 | MnpConfigReceiveFilters (\r | |
1065 | IN MNP_SERVICE_DATA *MnpServiceData\r | |
1066 | )\r | |
1067 | {\r | |
1068 | EFI_STATUS Status;\r | |
1069 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
1070 | EFI_MAC_ADDRESS *MCastFilter;\r | |
1071 | UINT32 MCastFilterCnt;\r | |
1072 | UINT32 EnableFilterBits;\r | |
1073 | UINT32 DisableFilterBits;\r | |
1074 | BOOLEAN ResetMCastFilters;\r | |
1075 | NET_LIST_ENTRY *Entry;\r | |
1076 | UINT32 Index;\r | |
1077 | MNP_GROUP_ADDRESS *GroupAddress;\r | |
1078 | \r | |
1079 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
1080 | \r | |
1081 | Snp = MnpServiceData->Snp;\r | |
1082 | \r | |
1083 | //\r | |
1084 | // Initialize the enable filter and disable filter.\r | |
1085 | //\r | |
1086 | EnableFilterBits = 0;\r | |
1087 | DisableFilterBits = Snp->Mode->ReceiveFilterMask;\r | |
1088 | \r | |
1089 | if (MnpServiceData->UnicastCount != 0) {\r | |
1090 | //\r | |
1091 | // Enable unicast if any instance wants to receive unicast.\r | |
1092 | //\r | |
1093 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r | |
1094 | }\r | |
1095 | \r | |
1096 | if (MnpServiceData->BroadcastCount != 0) {\r | |
1097 | //\r | |
1098 | // Enable broadcast if any instance wants to receive broadcast.\r | |
1099 | //\r | |
1100 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r | |
1101 | }\r | |
1102 | \r | |
1103 | MCastFilter = NULL;\r | |
1104 | MCastFilterCnt = 0;\r | |
1105 | ResetMCastFilters = TRUE;\r | |
1106 | \r | |
1107 | if ((MnpServiceData->MulticastCount != 0) && (MnpServiceData->GroupAddressCount != 0)) {\r | |
1108 | //\r | |
1109 | // There are instances configured to receive multicast and already some group\r | |
1110 | // addresses are joined.\r | |
1111 | //\r | |
1112 | \r | |
1113 | ResetMCastFilters = FALSE;\r | |
1114 | \r | |
1115 | if (MnpServiceData->GroupAddressCount <= Snp->Mode->MaxMCastFilterCount) {\r | |
1116 | //\r | |
1117 | // The joind group address is less than simple network's maximum count.\r | |
1118 | // Just configure the snp to do the multicast filtering.\r | |
1119 | //\r | |
1120 | \r | |
1121 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r | |
1122 | \r | |
1123 | //\r | |
1124 | // Allocate pool for the mulicast addresses.\r | |
1125 | //\r | |
1126 | MCastFilterCnt = MnpServiceData->GroupAddressCount;\r | |
1127 | MCastFilter = NetAllocatePool (sizeof (EFI_MAC_ADDRESS) * MCastFilterCnt);\r | |
1128 | if (MCastFilter == NULL) {\r | |
1129 | \r | |
1130 | MNP_DEBUG_ERROR (("MnpConfigReceiveFilters: Failed to allocate memory resource for MCastFilter.\n"));\r | |
1131 | return EFI_OUT_OF_RESOURCES;\r | |
1132 | }\r | |
1133 | \r | |
1134 | //\r | |
1135 | // Fill the multicast HW address buffer.\r | |
1136 | //\r | |
1137 | Index = 0;\r | |
1138 | NET_LIST_FOR_EACH (Entry, &MnpServiceData->GroupAddressList) {\r | |
1139 | \r | |
1140 | GroupAddress = NET_LIST_USER_STRUCT (Entry, MNP_GROUP_ADDRESS, AddrEntry);\r | |
4eb65aff | 1141 | CopyMem (MCastFilter + Index, &GroupAddress->Address, sizeof (EFI_MAC_ADDRESS));\r |
8a67d61d | 1142 | Index++;\r |
1143 | \r | |
1144 | ASSERT (Index <= MCastFilterCnt);\r | |
1145 | }\r | |
1146 | } else {\r | |
1147 | //\r | |
1148 | // The maximum multicast is reached, set the filter to be promiscuous\r | |
1149 | // multicast.\r | |
1150 | //\r | |
1151 | \r | |
1152 | if (Snp->Mode->ReceiveFilterMask & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST) {\r | |
1153 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
1154 | } else {\r | |
1155 | //\r | |
1156 | // Either MULTICAST or PROMISCUOUS_MULTICAST is not supported by Snp,\r | |
1157 | // set the NIC to be promiscuous although this will tremendously degrade\r | |
1158 | // the performance.\r | |
1159 | //\r | |
1160 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
1161 | }\r | |
1162 | }\r | |
1163 | }\r | |
1164 | \r | |
1165 | if (MnpServiceData->PromiscuousCount != 0) {\r | |
1166 | //\r | |
1167 | // Enable promiscuous if any instance wants to receive promiscuous.\r | |
1168 | //\r | |
1169 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
1170 | }\r | |
1171 | \r | |
1172 | //\r | |
1173 | // Set the disable filter.\r | |
1174 | //\r | |
1175 | DisableFilterBits ^= EnableFilterBits;\r | |
1176 | \r | |
1177 | //\r | |
1178 | // Configure the receive filters of SNP.\r | |
1179 | //\r | |
1180 | Status = Snp->ReceiveFilters (\r | |
1181 | Snp,\r | |
1182 | EnableFilterBits,\r | |
1183 | DisableFilterBits,\r | |
1184 | ResetMCastFilters,\r | |
1185 | MCastFilterCnt,\r | |
1186 | MCastFilter\r | |
1187 | );\r | |
1188 | DEBUG_CODE (\r | |
1189 | if (EFI_ERROR (Status)) {\r | |
1190 | \r | |
1191 | MNP_DEBUG_ERROR (\r | |
1192 | ("MnpConfigReceiveFilters: Snp->ReceiveFilters failed, %r.\n",\r | |
1193 | Status)\r | |
1194 | );\r | |
1195 | }\r | |
1196 | );\r | |
1197 | \r | |
1198 | if (MCastFilter != NULL) {\r | |
1199 | //\r | |
1200 | // Free the buffer used to hold the group addresses.\r | |
1201 | //\r | |
1202 | NetFreePool (MCastFilter);\r | |
1203 | }\r | |
1204 | \r | |
1205 | return Status;\r | |
1206 | }\r | |
1207 | \r | |
1208 | \r | |
1209 | /**\r | |
1210 | Add a group address control block which controls the MacAddress for\r | |
1211 | this instance.\r | |
1212 | \r | |
1213 | @param Instance Pointer to the mnp instance context data.\r | |
1214 | @param CtrlBlk Pointer to the group address control block.\r | |
1215 | @param GroupAddress Pointer to the group adress.\r | |
1216 | @param MacAddress Pointer to the mac address.\r | |
1217 | @param HwAddressSize The hardware address size.\r | |
1218 | \r | |
1219 | @retval EFI_SUCCESS The group address control block is added.\r | |
1220 | @retval EFI_OUT_OF_RESOURCE Failed due to lack of memory resources.\r | |
1221 | \r | |
1222 | **/\r | |
1223 | STATIC\r | |
1224 | EFI_STATUS\r | |
1225 | MnpGroupOpAddCtrlBlk (\r | |
1226 | IN MNP_INSTANCE_DATA *Instance,\r | |
1227 | IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk,\r | |
1228 | IN MNP_GROUP_ADDRESS *GroupAddress OPTIONAL,\r | |
1229 | IN EFI_MAC_ADDRESS *MacAddress,\r | |
1230 | IN UINT32 HwAddressSize\r | |
1231 | )\r | |
1232 | {\r | |
1233 | MNP_SERVICE_DATA *MnpServiceData;\r | |
1234 | \r | |
1235 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1236 | \r | |
1237 | MnpServiceData = Instance->MnpServiceData;\r | |
1238 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
1239 | \r | |
1240 | if (GroupAddress == NULL) {\r | |
1241 | \r | |
1242 | ASSERT (MacAddress != NULL);\r | |
1243 | \r | |
1244 | //\r | |
1245 | // Allocate a new GroupAddress to be added into MNP's GroupAddressList.\r | |
1246 | //\r | |
1247 | GroupAddress = NetAllocatePool (sizeof (MNP_GROUP_ADDRESS));\r | |
1248 | if (GroupAddress == NULL) {\r | |
1249 | \r | |
1250 | MNP_DEBUG_ERROR (("MnpGroupOpFormCtrlBlk: Failed to allocate memory resource.\n"));\r | |
1251 | \r | |
1252 | return EFI_OUT_OF_RESOURCES;\r | |
1253 | }\r | |
1254 | \r | |
4eb65aff | 1255 | CopyMem (&GroupAddress->Address, MacAddress, sizeof (EFI_MAC_ADDRESS));\r |
8a67d61d | 1256 | GroupAddress->RefCnt = 0;\r |
1257 | NetListInsertTail (\r | |
1258 | &MnpServiceData->GroupAddressList,\r | |
1259 | &GroupAddress->AddrEntry\r | |
1260 | );\r | |
1261 | MnpServiceData->GroupAddressCount++;\r | |
1262 | }\r | |
1263 | \r | |
1264 | //\r | |
1265 | // Increase the RefCnt.\r | |
1266 | //\r | |
1267 | GroupAddress->RefCnt++;\r | |
1268 | \r | |
1269 | //\r | |
1270 | // Add the CtrlBlk into the instance's GroupCtrlBlkList.\r | |
1271 | //\r | |
1272 | CtrlBlk->GroupAddress = GroupAddress;\r | |
1273 | NetListInsertTail (&Instance->GroupCtrlBlkList, &CtrlBlk->CtrlBlkEntry);\r | |
1274 | \r | |
1275 | return EFI_SUCCESS;\r | |
1276 | }\r | |
1277 | \r | |
1278 | \r | |
1279 | /**\r | |
1280 | Delete a group control block from the instance. If the controlled group address's\r | |
1281 | reference count reaches zero, the group address is removed too.\r | |
1282 | \r | |
1283 | @param Instance Pointer to the instance context data.\r | |
1284 | @param CtrlBlk Pointer to the group control block to delete.\r | |
1285 | \r | |
1286 | @return The group address controlled by the control block is no longer used or not.\r | |
1287 | \r | |
1288 | **/\r | |
1289 | STATIC\r | |
1290 | BOOLEAN\r | |
1291 | MnpGroupOpDelCtrlBlk (\r | |
1292 | IN MNP_INSTANCE_DATA *Instance,\r | |
1293 | IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk\r | |
1294 | )\r | |
1295 | {\r | |
1296 | MNP_SERVICE_DATA *MnpServiceData;\r | |
1297 | MNP_GROUP_ADDRESS *GroupAddress;\r | |
1298 | \r | |
1299 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1300 | \r | |
1301 | MnpServiceData = Instance->MnpServiceData;\r | |
1302 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
1303 | \r | |
1304 | //\r | |
1305 | // Remove and free the CtrlBlk.\r | |
1306 | //\r | |
1307 | GroupAddress = CtrlBlk->GroupAddress;\r | |
1308 | NetListRemoveEntry (&CtrlBlk->CtrlBlkEntry);\r | |
1309 | NetFreePool (CtrlBlk);\r | |
1310 | \r | |
1311 | ASSERT (GroupAddress->RefCnt > 0);\r | |
1312 | \r | |
1313 | //\r | |
1314 | // Count down the RefCnt.\r | |
1315 | //\r | |
1316 | GroupAddress->RefCnt--;\r | |
1317 | \r | |
1318 | if (GroupAddress->RefCnt == 0) {\r | |
1319 | //\r | |
1320 | // Free this GroupAddress entry if no instance uses it.\r | |
1321 | //\r | |
1322 | MnpServiceData->GroupAddressCount--;\r | |
1323 | NetListRemoveEntry (&GroupAddress->AddrEntry);\r | |
1324 | NetFreePool (GroupAddress);\r | |
1325 | \r | |
1326 | return TRUE;\r | |
1327 | }\r | |
1328 | \r | |
1329 | return FALSE;\r | |
1330 | }\r | |
1331 | \r | |
1332 | \r | |
1333 | /**\r | |
1334 | Do the group operations for this instance.\r | |
1335 | \r | |
1336 | @param Instance Pointer to the instance context data.\r | |
1337 | @param JoinFlag Set to TRUE to join a group. Set to TRUE to leave a\r | |
1338 | group/groups.\r | |
1339 | @param MacAddress Pointer to the group address to join or leave.\r | |
1340 | @param CtrlBlk Pointer to the group control block if JoinFlag if\r | |
1341 | FALSE.\r | |
1342 | \r | |
1343 | @retval EFI_SUCCESS The group operation finished.\r | |
1344 | @retval Other Some error occurs.\r | |
1345 | \r | |
1346 | **/\r | |
1347 | EFI_STATUS\r | |
1348 | MnpGroupOp (\r | |
1349 | IN MNP_INSTANCE_DATA *Instance,\r | |
1350 | IN BOOLEAN JoinFlag,\r | |
1351 | IN EFI_MAC_ADDRESS *MacAddress OPTIONAL,\r | |
1352 | IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk OPTIONAL\r | |
1353 | )\r | |
1354 | {\r | |
1355 | MNP_SERVICE_DATA *MnpServiceData;\r | |
1356 | NET_LIST_ENTRY *Entry;\r | |
1357 | NET_LIST_ENTRY *NextEntry;\r | |
1358 | MNP_GROUP_ADDRESS *GroupAddress;\r | |
1359 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
1360 | MNP_GROUP_CONTROL_BLOCK *NewCtrlBlk;\r | |
1361 | EFI_STATUS Status;\r | |
1362 | BOOLEAN AddressExist;\r | |
1363 | BOOLEAN NeedUpdate;\r | |
1364 | \r | |
1365 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1366 | \r | |
1367 | MnpServiceData = Instance->MnpServiceData;\r | |
1368 | SnpMode = MnpServiceData->Snp->Mode;\r | |
1369 | \r | |
1370 | if (JoinFlag) {\r | |
1371 | //\r | |
1372 | // A new gropu address is to be added.\r | |
1373 | //\r | |
1374 | \r | |
1375 | GroupAddress = NULL;\r | |
1376 | AddressExist = FALSE;\r | |
1377 | \r | |
1378 | //\r | |
1379 | // Allocate memory for the control block.\r | |
1380 | //\r | |
1381 | NewCtrlBlk = NetAllocatePool (sizeof (MNP_GROUP_CONTROL_BLOCK));\r | |
1382 | if (NewCtrlBlk == NULL) {\r | |
1383 | \r | |
1384 | MNP_DEBUG_ERROR (("MnpGroupOp: Failed to allocate memory resource.\n"));\r | |
1385 | return EFI_OUT_OF_RESOURCES;\r | |
1386 | }\r | |
1387 | \r | |
1388 | NET_LIST_FOR_EACH (Entry, &MnpServiceData->GroupAddressList) {\r | |
1389 | //\r | |
1390 | // Check whether the MacAddress is already joined by other instances.\r | |
1391 | //\r | |
1392 | GroupAddress = NET_LIST_USER_STRUCT (Entry, MNP_GROUP_ADDRESS, AddrEntry);\r | |
1393 | if (0 == NetCompareMem (\r | |
1394 | MacAddress,\r | |
1395 | &GroupAddress->Address,\r | |
1396 | SnpMode->HwAddressSize\r | |
1397 | )) {\r | |
1398 | \r | |
1399 | AddressExist = TRUE;\r | |
1400 | break;\r | |
1401 | }\r | |
1402 | }\r | |
1403 | \r | |
1404 | if (!AddressExist) {\r | |
1405 | GroupAddress = NULL;\r | |
1406 | }\r | |
1407 | \r | |
1408 | //\r | |
1409 | // Add the GroupAddress for this instance.\r | |
1410 | //\r | |
1411 | Status = MnpGroupOpAddCtrlBlk (\r | |
1412 | Instance,\r | |
1413 | NewCtrlBlk,\r | |
1414 | GroupAddress,\r | |
1415 | MacAddress,\r | |
1416 | SnpMode->HwAddressSize\r | |
1417 | );\r | |
1418 | if (EFI_ERROR (Status)) {\r | |
1419 | \r | |
1420 | return Status;\r | |
1421 | }\r | |
1422 | \r | |
1423 | NeedUpdate = TRUE;\r | |
1424 | } else {\r | |
1425 | \r | |
1426 | if (MacAddress != NULL) {\r | |
1427 | \r | |
1428 | ASSERT (CtrlBlk != NULL);\r | |
1429 | \r | |
1430 | //\r | |
1431 | // Leave the specific multicast mac address.\r | |
1432 | //\r | |
1433 | NeedUpdate = MnpGroupOpDelCtrlBlk (Instance, CtrlBlk);\r | |
1434 | } else {\r | |
1435 | //\r | |
1436 | // Leave all multicast mac addresses.\r | |
1437 | //\r | |
1438 | NeedUpdate = FALSE;\r | |
1439 | \r | |
1440 | NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, &Instance->GroupCtrlBlkList) {\r | |
1441 | \r | |
1442 | NewCtrlBlk = NET_LIST_USER_STRUCT (\r | |
1443 | Entry,\r | |
1444 | MNP_GROUP_CONTROL_BLOCK,\r | |
1445 | CtrlBlkEntry\r | |
1446 | );\r | |
1447 | //\r | |
1448 | // Update is required if the group address left is no longer used\r | |
1449 | // by other instances.\r | |
1450 | //\r | |
1451 | NeedUpdate = MnpGroupOpDelCtrlBlk (Instance, NewCtrlBlk);\r | |
1452 | }\r | |
1453 | }\r | |
1454 | }\r | |
1455 | \r | |
1456 | Status = EFI_SUCCESS;\r | |
1457 | \r | |
1458 | if (NeedUpdate) {\r | |
1459 | //\r | |
1460 | // Reconfigure the receive filters if necessary.\r | |
1461 | //\r | |
1462 | Status = MnpConfigReceiveFilters (MnpServiceData);\r | |
1463 | }\r | |
1464 | \r | |
1465 | return Status;\r | |
1466 | }\r |