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8a67d61d | 1 | /** @file\r |
c57273b0 | 2 | Implementation of Managed Network Protocol private services.\r |
6e4bac4d | 3 | \r |
216f7970 | 4 | Copyright (c) 2005 - 2012, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials\r |
779ae357 | 6 | are licensed and made available under the terms and conditions\r |
7 | of the BSD License which accompanies this distribution. The full\r | |
8 | text of the license may be found at<BR>\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
8a67d61d | 10 | \r |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
8a67d61d | 14 | **/\r |
15 | \r | |
8a67d61d | 16 | #include "MnpImpl.h"\r |
779ae357 | 17 | #include "MnpVlan.h"\r |
8a67d61d | 18 | \r |
19 | EFI_SERVICE_BINDING_PROTOCOL mMnpServiceBindingProtocol = {\r | |
20 | MnpServiceBindingCreateChild,\r | |
21 | MnpServiceBindingDestroyChild\r | |
22 | };\r | |
23 | \r | |
24 | EFI_MANAGED_NETWORK_PROTOCOL mMnpProtocolTemplate = {\r | |
25 | MnpGetModeData,\r | |
26 | MnpConfigure,\r | |
27 | MnpMcastIpToMac,\r | |
28 | MnpGroups,\r | |
29 | MnpTransmit,\r | |
30 | MnpReceive,\r | |
31 | MnpCancel,\r | |
32 | MnpPoll\r | |
33 | };\r | |
34 | \r | |
35 | EFI_MANAGED_NETWORK_CONFIG_DATA mMnpDefaultConfigData = {\r | |
87f89c08 | 36 | 10000000,\r |
37 | 10000000,\r | |
8a67d61d | 38 | 0,\r |
39 | FALSE,\r | |
40 | FALSE,\r | |
41 | FALSE,\r | |
42 | FALSE,\r | |
43 | FALSE,\r | |
44 | FALSE,\r | |
45 | FALSE\r | |
46 | };\r | |
47 | \r | |
8a67d61d | 48 | /**\r |
779ae357 | 49 | Add Count of net buffers to MnpDeviceData->FreeNbufQue. The length of the net\r |
50 | buffer is specified by MnpDeviceData->BufferLength.\r | |
8a67d61d | 51 | \r |
779ae357 | 52 | @param[in, out] MnpDeviceData Pointer to the MNP_DEVICE_DATA.\r |
6e4bac4d | 53 | @param[in] Count Number of NET_BUFFERs to add.\r |
8a67d61d | 54 | \r |
779ae357 | 55 | @retval EFI_SUCCESS The specified amount of NET_BUFs are allocated\r |
56 | and added to MnpDeviceData->FreeNbufQue.\r | |
8a67d61d | 57 | @retval EFI_OUT_OF_RESOURCES Failed to allocate a NET_BUF structure.\r |
58 | \r | |
59 | **/\r | |
8a67d61d | 60 | EFI_STATUS\r |
61 | MnpAddFreeNbuf (\r | |
779ae357 | 62 | IN OUT MNP_DEVICE_DATA *MnpDeviceData,\r |
63 | IN UINTN Count\r | |
8a67d61d | 64 | )\r |
65 | {\r | |
66 | EFI_STATUS Status;\r | |
67 | UINTN Index;\r | |
68 | NET_BUF *Nbuf;\r | |
69 | \r | |
779ae357 | 70 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r |
71 | ASSERT ((Count > 0) && (MnpDeviceData->BufferLength > 0));\r | |
8a67d61d | 72 | \r |
73 | Status = EFI_SUCCESS;\r | |
8a67d61d | 74 | for (Index = 0; Index < Count; Index++) {\r |
779ae357 | 75 | Nbuf = NetbufAlloc (MnpDeviceData->BufferLength + MnpDeviceData->PaddingSize);\r |
8a67d61d | 76 | if (Nbuf == NULL) {\r |
e48e37fc | 77 | DEBUG ((EFI_D_ERROR, "MnpAddFreeNbuf: NetBufAlloc failed.\n"));\r |
779ae357 | 78 | \r |
8a67d61d | 79 | Status = EFI_OUT_OF_RESOURCES;\r |
80 | break;\r | |
81 | }\r | |
82 | \r | |
779ae357 | 83 | if (MnpDeviceData->PaddingSize > 0) {\r |
772db4bb | 84 | //\r |
85 | // Pad padding bytes before the media header\r | |
86 | //\r | |
779ae357 | 87 | NetbufAllocSpace (Nbuf, MnpDeviceData->PaddingSize, NET_BUF_TAIL);\r |
88 | NetbufTrim (Nbuf, MnpDeviceData->PaddingSize, NET_BUF_HEAD);\r | |
772db4bb | 89 | }\r |
90 | \r | |
779ae357 | 91 | NetbufQueAppend (&MnpDeviceData->FreeNbufQue, Nbuf);\r |
8a67d61d | 92 | }\r |
93 | \r | |
779ae357 | 94 | MnpDeviceData->NbufCnt += Index;\r |
8a67d61d | 95 | return Status;\r |
96 | }\r | |
97 | \r | |
98 | \r | |
99 | /**\r | |
779ae357 | 100 | Allocate a free NET_BUF from MnpDeviceData->FreeNbufQue. If there is none\r |
8a67d61d | 101 | in the queue, first try to allocate some and add them into the queue, then\r |
102 | fetch the NET_BUF from the updated FreeNbufQue.\r | |
103 | \r | |
779ae357 | 104 | @param[in, out] MnpDeviceData Pointer to the MNP_DEVICE_DATA.\r |
8a67d61d | 105 | \r |
779ae357 | 106 | @return Pointer to the allocated free NET_BUF structure, if NULL the\r |
c57273b0 | 107 | operation is failed.\r |
8a67d61d | 108 | \r |
109 | **/\r | |
110 | NET_BUF *\r | |
111 | MnpAllocNbuf (\r | |
779ae357 | 112 | IN OUT MNP_DEVICE_DATA *MnpDeviceData\r |
8a67d61d | 113 | )\r |
114 | {\r | |
115 | EFI_STATUS Status;\r | |
116 | NET_BUF_QUEUE *FreeNbufQue;\r | |
117 | NET_BUF *Nbuf;\r | |
118 | EFI_TPL OldTpl;\r | |
119 | \r | |
779ae357 | 120 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r |
8a67d61d | 121 | \r |
779ae357 | 122 | FreeNbufQue = &MnpDeviceData->FreeNbufQue;\r |
123 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
8a67d61d | 124 | \r |
125 | //\r | |
126 | // Check whether there are available buffers, or else try to add some.\r | |
127 | //\r | |
128 | if (FreeNbufQue->BufNum == 0) {\r | |
779ae357 | 129 | if ((MnpDeviceData->NbufCnt + MNP_NET_BUFFER_INCREASEMENT) > MNP_MAX_NET_BUFFER_NUM) {\r |
e48e37fc | 130 | DEBUG (\r |
131 | (EFI_D_ERROR,\r | |
132 | "MnpAllocNbuf: The maximum NET_BUF size is reached for MNP driver instance %p.\n",\r | |
779ae357 | 133 | MnpDeviceData)\r |
8a67d61d | 134 | );\r |
135 | \r | |
136 | Nbuf = NULL;\r | |
137 | goto ON_EXIT;\r | |
138 | }\r | |
139 | \r | |
779ae357 | 140 | Status = MnpAddFreeNbuf (MnpDeviceData, MNP_NET_BUFFER_INCREASEMENT);\r |
8a67d61d | 141 | if (EFI_ERROR (Status)) {\r |
e48e37fc | 142 | DEBUG (\r |
143 | (EFI_D_ERROR,\r | |
144 | "MnpAllocNbuf: Failed to add NET_BUFs into the FreeNbufQue, %r.\n",\r | |
8a67d61d | 145 | Status)\r |
146 | );\r | |
779ae357 | 147 | \r |
8a67d61d | 148 | //\r |
149 | // Don't return NULL, perhaps MnpAddFreeNbuf does add some NET_BUFs but\r | |
150 | // the amount is less than MNP_NET_BUFFER_INCREASEMENT.\r | |
151 | //\r | |
152 | }\r | |
153 | }\r | |
154 | \r | |
155 | Nbuf = NetbufQueRemove (FreeNbufQue);\r | |
156 | \r | |
157 | //\r | |
158 | // Increase the RefCnt.\r | |
159 | //\r | |
160 | if (Nbuf != NULL) {\r | |
161 | NET_GET_REF (Nbuf);\r | |
162 | }\r | |
163 | \r | |
164 | ON_EXIT:\r | |
e48e37fc | 165 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 166 | \r |
167 | return Nbuf;\r | |
168 | }\r | |
169 | \r | |
170 | \r | |
171 | /**\r | |
172 | Try to reclaim the Nbuf into the buffer pool.\r | |
173 | \r | |
779ae357 | 174 | @param[in, out] MnpDeviceData Pointer to the mnp device context data.\r |
5fe2f07f | 175 | @param[in, out] Nbuf Pointer to the NET_BUF to free.\r |
6e4bac4d | 176 | \r |
8a67d61d | 177 | **/\r |
178 | VOID\r | |
179 | MnpFreeNbuf (\r | |
779ae357 | 180 | IN OUT MNP_DEVICE_DATA *MnpDeviceData,\r |
6e4bac4d | 181 | IN OUT NET_BUF *Nbuf\r |
8a67d61d | 182 | )\r |
183 | {\r | |
184 | EFI_TPL OldTpl;\r | |
185 | \r | |
779ae357 | 186 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r |
8a67d61d | 187 | ASSERT (Nbuf->RefCnt > 1);\r |
188 | \r | |
e48e37fc | 189 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
8a67d61d | 190 | \r |
191 | NET_PUT_REF (Nbuf);\r | |
192 | \r | |
193 | if (Nbuf->RefCnt == 1) {\r | |
194 | //\r | |
195 | // Trim all buffer contained in the Nbuf, then append it to the NbufQue.\r | |
196 | //\r | |
197 | NetbufTrim (Nbuf, Nbuf->TotalSize, NET_BUF_TAIL);\r | |
779ae357 | 198 | \r |
199 | if (NetbufAllocSpace (Nbuf, NET_VLAN_TAG_LEN, NET_BUF_HEAD) != NULL) {\r | |
200 | //\r | |
201 | // There is space reserved for vlan tag in the head, reclaim it\r | |
202 | //\r | |
203 | NetbufTrim (Nbuf, NET_VLAN_TAG_LEN, NET_BUF_TAIL);\r | |
204 | }\r | |
205 | \r | |
206 | NetbufQueAppend (&MnpDeviceData->FreeNbufQue, Nbuf);\r | |
8a67d61d | 207 | }\r |
208 | \r | |
e48e37fc | 209 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 210 | }\r |
211 | \r | |
212 | \r | |
213 | /**\r | |
779ae357 | 214 | Initialize the mnp device context data.\r |
8a67d61d | 215 | \r |
779ae357 | 216 | @param[in, out] MnpDeviceData Pointer to the mnp device context data.\r |
6e4bac4d | 217 | @param[in] ImageHandle The driver image handle.\r |
218 | @param[in] ControllerHandle Handle of device to bind driver to.\r | |
8a67d61d | 219 | \r |
220 | @retval EFI_SUCCESS The mnp service context is initialized.\r | |
6e4bac4d | 221 | @retval EFI_UNSUPPORTED ControllerHandle does not support Simple Network Protocol.\r |
222 | @retval Others Other errors as indicated.\r | |
8a67d61d | 223 | \r |
224 | **/\r | |
225 | EFI_STATUS\r | |
779ae357 | 226 | MnpInitializeDeviceData (\r |
227 | IN OUT MNP_DEVICE_DATA *MnpDeviceData,\r | |
228 | IN EFI_HANDLE ImageHandle,\r | |
229 | IN EFI_HANDLE ControllerHandle\r | |
8a67d61d | 230 | )\r |
231 | {\r | |
779ae357 | 232 | EFI_STATUS Status;\r |
233 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
234 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
8a67d61d | 235 | \r |
779ae357 | 236 | MnpDeviceData->Signature = MNP_DEVICE_DATA_SIGNATURE;\r |
237 | MnpDeviceData->ImageHandle = ImageHandle;\r | |
238 | MnpDeviceData->ControllerHandle = ControllerHandle;\r | |
8a67d61d | 239 | \r |
240 | //\r | |
779ae357 | 241 | // Copy the MNP Protocol interfaces from the template.\r |
8a67d61d | 242 | //\r |
779ae357 | 243 | CopyMem (&MnpDeviceData->VlanConfig, &mVlanConfigProtocolTemplate, sizeof (EFI_VLAN_CONFIG_PROTOCOL));\r |
8a67d61d | 244 | \r |
245 | //\r | |
246 | // Open the Simple Network protocol.\r | |
247 | //\r | |
248 | Status = gBS->OpenProtocol (\r | |
249 | ControllerHandle,\r | |
250 | &gEfiSimpleNetworkProtocolGuid,\r | |
251 | (VOID **) &Snp,\r | |
252 | ImageHandle,\r | |
253 | ControllerHandle,\r | |
254 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
255 | );\r | |
256 | if (EFI_ERROR (Status)) {\r | |
257 | return EFI_UNSUPPORTED;\r | |
258 | }\r | |
259 | \r | |
260 | //\r | |
261 | // Get MTU from Snp.\r | |
262 | //\r | |
779ae357 | 263 | SnpMode = Snp->Mode;\r |
264 | MnpDeviceData->Snp = Snp;\r | |
8a67d61d | 265 | \r |
266 | //\r | |
267 | // Initialize the lists.\r | |
268 | //\r | |
779ae357 | 269 | InitializeListHead (&MnpDeviceData->ServiceList);\r |
270 | InitializeListHead (&MnpDeviceData->GroupAddressList);\r | |
8a67d61d | 271 | \r |
272 | //\r | |
273 | // Get the buffer length used to allocate NET_BUF to hold data received\r | |
274 | // from SNP. Do this before fill the FreeNetBufQue.\r | |
275 | //\r | |
779ae357 | 276 | //\r |
277 | MnpDeviceData->BufferLength = SnpMode->MediaHeaderSize + NET_VLAN_TAG_LEN + SnpMode->MaxPacketSize + NET_ETHER_FCS_SIZE;\r | |
8a67d61d | 278 | \r |
772db4bb | 279 | //\r |
e48e37fc | 280 | // Make sure the protocol headers immediately following the media header\r |
779ae357 | 281 | // 4-byte aligned, and also preserve additional space for VLAN tag\r |
772db4bb | 282 | //\r |
779ae357 | 283 | MnpDeviceData->PaddingSize = ((4 - SnpMode->MediaHeaderSize) & 0x3) + NET_VLAN_TAG_LEN;\r |
284 | \r | |
285 | //\r | |
286 | // Initialize MAC string which will be used as VLAN configuration variable name\r | |
287 | //\r | |
288 | Status = NetLibGetMacString (ControllerHandle, ImageHandle, &MnpDeviceData->MacString);\r | |
289 | if (EFI_ERROR (Status)) {\r | |
290 | goto ERROR;\r | |
291 | }\r | |
772db4bb | 292 | \r |
8a67d61d | 293 | //\r |
294 | // Initialize the FreeNetBufQue and pre-allocate some NET_BUFs.\r | |
295 | //\r | |
779ae357 | 296 | NetbufQueInit (&MnpDeviceData->FreeNbufQue);\r |
297 | Status = MnpAddFreeNbuf (MnpDeviceData, MNP_INIT_NET_BUFFER_NUM);\r | |
8a67d61d | 298 | if (EFI_ERROR (Status)) {\r |
779ae357 | 299 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: MnpAddFreeNbuf failed, %r.\n", Status));\r |
8a67d61d | 300 | \r |
8a67d61d | 301 | goto ERROR;\r |
302 | }\r | |
779ae357 | 303 | \r |
8a67d61d | 304 | //\r |
305 | // Get one NET_BUF from the FreeNbufQue for rx cache.\r | |
306 | //\r | |
779ae357 | 307 | MnpDeviceData->RxNbufCache = MnpAllocNbuf (MnpDeviceData);\r |
8a67d61d | 308 | NetbufAllocSpace (\r |
779ae357 | 309 | MnpDeviceData->RxNbufCache,\r |
310 | MnpDeviceData->BufferLength,\r | |
8a67d61d | 311 | NET_BUF_TAIL\r |
312 | );\r | |
313 | \r | |
314 | //\r | |
315 | // Allocate buffer pool for tx.\r | |
316 | //\r | |
779ae357 | 317 | MnpDeviceData->TxBuf = AllocatePool (MnpDeviceData->BufferLength);\r |
318 | if (MnpDeviceData->TxBuf == NULL) {\r | |
319 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: AllocatePool failed.\n"));\r | |
8a67d61d | 320 | \r |
8a67d61d | 321 | Status = EFI_OUT_OF_RESOURCES;\r |
8a67d61d | 322 | goto ERROR;\r |
323 | }\r | |
324 | \r | |
325 | //\r | |
326 | // Create the system poll timer.\r | |
327 | //\r | |
328 | Status = gBS->CreateEvent (\r | |
329 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
e48e37fc | 330 | TPL_CALLBACK,\r |
8a67d61d | 331 | MnpSystemPoll,\r |
779ae357 | 332 | MnpDeviceData,\r |
333 | &MnpDeviceData->PollTimer\r | |
8a67d61d | 334 | );\r |
335 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 336 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: CreateEvent for poll timer failed.\n"));\r |
8a67d61d | 337 | \r |
8a67d61d | 338 | goto ERROR;\r |
339 | }\r | |
340 | \r | |
341 | //\r | |
342 | // Create the timer for packet timeout check.\r | |
343 | //\r | |
344 | Status = gBS->CreateEvent (\r | |
345 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
e48e37fc | 346 | TPL_CALLBACK,\r |
8a67d61d | 347 | MnpCheckPacketTimeout,\r |
779ae357 | 348 | MnpDeviceData,\r |
349 | &MnpDeviceData->TimeoutCheckTimer\r | |
8a67d61d | 350 | );\r |
351 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 352 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: CreateEvent for packet timeout check failed.\n"));\r |
8a67d61d | 353 | \r |
8a67d61d | 354 | goto ERROR;\r |
355 | }\r | |
356 | \r | |
dd29f3ed | 357 | //\r |
358 | // Create the timer for media detection.\r | |
359 | //\r | |
360 | Status = gBS->CreateEvent (\r | |
361 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
362 | TPL_CALLBACK,\r | |
363 | MnpCheckMediaStatus,\r | |
364 | MnpDeviceData,\r | |
365 | &MnpDeviceData->MediaDetectTimer\r | |
366 | );\r | |
367 | if (EFI_ERROR (Status)) {\r | |
368 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: CreateEvent for media detection failed.\n"));\r | |
369 | \r | |
370 | goto ERROR;\r | |
371 | }\r | |
372 | \r | |
8a67d61d | 373 | //\r |
374 | // Create the timer for tx timeout check.\r | |
375 | //\r | |
376 | Status = gBS->CreateEvent (\r | |
377 | EVT_TIMER,\r | |
e48e37fc | 378 | TPL_CALLBACK,\r |
8a67d61d | 379 | NULL,\r |
380 | NULL,\r | |
779ae357 | 381 | &MnpDeviceData->TxTimeoutEvent\r |
8a67d61d | 382 | );\r |
383 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 384 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: CreateEvent for tx timeout event failed.\n"));\r |
8a67d61d | 385 | }\r |
386 | \r | |
387 | ERROR:\r | |
8a67d61d | 388 | if (EFI_ERROR (Status)) {\r |
389 | //\r | |
390 | // Free the dynamic allocated resources if necessary.\r | |
391 | //\r | |
779ae357 | 392 | if (MnpDeviceData->MacString != NULL) {\r |
393 | FreePool (MnpDeviceData->MacString);\r | |
8a67d61d | 394 | }\r |
395 | \r | |
779ae357 | 396 | if (MnpDeviceData->TimeoutCheckTimer != NULL) {\r |
397 | gBS->CloseEvent (MnpDeviceData->TimeoutCheckTimer);\r | |
8a67d61d | 398 | }\r |
399 | \r | |
dd29f3ed | 400 | if (MnpDeviceData->MediaDetectTimer != NULL) {\r |
401 | gBS->CloseEvent (MnpDeviceData->MediaDetectTimer);\r | |
402 | }\r | |
403 | \r | |
779ae357 | 404 | if (MnpDeviceData->PollTimer != NULL) {\r |
405 | gBS->CloseEvent (MnpDeviceData->PollTimer);\r | |
8a67d61d | 406 | }\r |
407 | \r | |
779ae357 | 408 | if (MnpDeviceData->TxBuf != NULL) {\r |
409 | FreePool (MnpDeviceData->TxBuf);\r | |
8a67d61d | 410 | }\r |
411 | \r | |
779ae357 | 412 | if (MnpDeviceData->RxNbufCache != NULL) {\r |
413 | MnpFreeNbuf (MnpDeviceData, MnpDeviceData->RxNbufCache);\r | |
414 | }\r | |
8a67d61d | 415 | \r |
779ae357 | 416 | if (MnpDeviceData->FreeNbufQue.BufNum != 0) {\r |
417 | NetbufQueFlush (&MnpDeviceData->FreeNbufQue);\r | |
8a67d61d | 418 | }\r |
779ae357 | 419 | \r |
420 | //\r | |
421 | // Close the Simple Network Protocol.\r | |
422 | //\r | |
423 | gBS->CloseProtocol (\r | |
424 | ControllerHandle,\r | |
425 | &gEfiSimpleNetworkProtocolGuid,\r | |
426 | ImageHandle,\r | |
427 | ControllerHandle\r | |
428 | );\r | |
8a67d61d | 429 | }\r |
430 | \r | |
431 | return Status;\r | |
432 | }\r | |
433 | \r | |
434 | \r | |
435 | /**\r | |
779ae357 | 436 | Destroy the MNP device context data.\r |
8a67d61d | 437 | \r |
779ae357 | 438 | @param[in, out] MnpDeviceData Pointer to the mnp device context data.\r |
439 | @param[in] ImageHandle The driver image handle.\r | |
6e4bac4d | 440 | \r |
8a67d61d | 441 | **/\r |
442 | VOID\r | |
779ae357 | 443 | MnpDestroyDeviceData (\r |
444 | IN OUT MNP_DEVICE_DATA *MnpDeviceData,\r | |
445 | IN EFI_HANDLE ImageHandle\r | |
8a67d61d | 446 | )\r |
447 | {\r | |
779ae357 | 448 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r |
449 | \r | |
450 | //\r | |
451 | // Free Vlan Config variable name string\r | |
452 | //\r | |
453 | if (MnpDeviceData->MacString != NULL) {\r | |
454 | FreePool (MnpDeviceData->MacString);\r | |
455 | }\r | |
8a67d61d | 456 | \r |
457 | //\r | |
458 | // The GroupAddressList must be empty.\r | |
459 | //\r | |
779ae357 | 460 | ASSERT (IsListEmpty (&MnpDeviceData->GroupAddressList));\r |
8a67d61d | 461 | \r |
462 | //\r | |
463 | // Close the event.\r | |
464 | //\r | |
dd29f3ed | 465 | gBS->CloseEvent (MnpDeviceData->TxTimeoutEvent);\r |
466 | gBS->CloseEvent (MnpDeviceData->TimeoutCheckTimer);\r | |
467 | gBS->CloseEvent (MnpDeviceData->MediaDetectTimer);\r | |
468 | gBS->CloseEvent (MnpDeviceData->PollTimer);\r | |
8a67d61d | 469 | \r |
470 | //\r | |
471 | // Free the tx buffer.\r | |
472 | //\r | |
779ae357 | 473 | FreePool (MnpDeviceData->TxBuf);\r |
8a67d61d | 474 | \r |
475 | //\r | |
476 | // Free the RxNbufCache.\r | |
477 | //\r | |
779ae357 | 478 | MnpFreeNbuf (MnpDeviceData, MnpDeviceData->RxNbufCache);\r |
8a67d61d | 479 | \r |
480 | //\r | |
481 | // Flush the FreeNbufQue.\r | |
482 | //\r | |
779ae357 | 483 | MnpDeviceData->NbufCnt -= MnpDeviceData->FreeNbufQue.BufNum;\r |
484 | NetbufQueFlush (&MnpDeviceData->FreeNbufQue);\r | |
8a67d61d | 485 | \r |
779ae357 | 486 | //\r |
487 | // Close the Simple Network Protocol.\r | |
488 | //\r | |
489 | gBS->CloseProtocol (\r | |
490 | MnpDeviceData->ControllerHandle,\r | |
491 | &gEfiSimpleNetworkProtocolGuid,\r | |
492 | ImageHandle,\r | |
493 | MnpDeviceData->ControllerHandle\r | |
494 | );\r | |
495 | }\r | |
496 | \r | |
497 | \r | |
498 | /**\r | |
499 | Create mnp service context data.\r | |
500 | \r | |
501 | @param[in] MnpDeviceData Pointer to the mnp device context data.\r | |
502 | @param[in] VlanId The VLAN ID.\r | |
503 | @param[in] Priority The VLAN priority. If VlanId is 0,\r | |
504 | Priority is ignored.\r | |
505 | \r | |
506 | @return A pointer to MNP_SERVICE_DATA or NULL if failed to create MNP service context.\r | |
8a67d61d | 507 | \r |
779ae357 | 508 | **/\r |
509 | MNP_SERVICE_DATA *\r | |
510 | MnpCreateServiceData (\r | |
511 | IN MNP_DEVICE_DATA *MnpDeviceData,\r | |
512 | IN UINT16 VlanId,\r | |
513 | IN UINT8 Priority OPTIONAL\r | |
514 | )\r | |
515 | {\r | |
516 | EFI_HANDLE MnpServiceHandle;\r | |
517 | MNP_SERVICE_DATA *MnpServiceData;\r | |
518 | EFI_STATUS Status;\r | |
519 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
520 | EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;\r | |
8a67d61d | 521 | \r |
779ae357 | 522 | //\r |
523 | // Initialize the Mnp Service Data.\r | |
524 | //\r | |
525 | MnpServiceData = AllocateZeroPool (sizeof (MNP_SERVICE_DATA));\r | |
526 | if (MnpServiceData == NULL) {\r | |
527 | DEBUG ((EFI_D_ERROR, "MnpCreateServiceData: Faild to allocate memory for the new Mnp Service Data.\n"));\r | |
528 | \r | |
529 | return NULL;\r | |
8a67d61d | 530 | }\r |
e21ef3a2 | 531 | \r |
532 | //\r | |
779ae357 | 533 | // Add to MNP service list\r |
e21ef3a2 | 534 | //\r |
779ae357 | 535 | InsertTailList (&MnpDeviceData->ServiceList, &MnpServiceData->Link);\r |
536 | \r | |
537 | MnpServiceData->Signature = MNP_SERVICE_DATA_SIGNATURE;\r | |
538 | MnpServiceData->MnpDeviceData = MnpDeviceData;\r | |
539 | \r | |
540 | //\r | |
541 | // Copy the ServiceBinding structure.\r | |
542 | //\r | |
543 | CopyMem (&MnpServiceData->ServiceBinding, &mMnpServiceBindingProtocol, sizeof (EFI_SERVICE_BINDING_PROTOCOL));\r | |
544 | \r | |
545 | //\r | |
546 | // Initialize the lists.\r | |
547 | //\r | |
548 | InitializeListHead (&MnpServiceData->ChildrenList);\r | |
549 | \r | |
550 | SnpMode = MnpDeviceData->Snp->Mode;\r | |
551 | if (VlanId != 0) {\r | |
552 | //\r | |
553 | // Create VLAN child handle\r | |
554 | //\r | |
555 | MnpServiceHandle = MnpCreateVlanChild (\r | |
556 | MnpDeviceData->ImageHandle,\r | |
557 | MnpDeviceData->ControllerHandle,\r | |
558 | VlanId,\r | |
559 | &MnpServiceData->DevicePath\r | |
560 | );\r | |
561 | if (MnpServiceHandle == NULL) {\r | |
562 | DEBUG ((EFI_D_ERROR, "MnpCreateServiceData: Faild to create child handle.\n"));\r | |
563 | \r | |
564 | return NULL;\r | |
565 | }\r | |
566 | \r | |
567 | //\r | |
568 | // Open VLAN Config Protocol by child\r | |
569 | //\r | |
570 | Status = gBS->OpenProtocol (\r | |
571 | MnpDeviceData->ControllerHandle,\r | |
572 | &gEfiVlanConfigProtocolGuid,\r | |
573 | (VOID **) &VlanConfig,\r | |
574 | MnpDeviceData->ImageHandle,\r | |
575 | MnpServiceHandle,\r | |
576 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
577 | );\r | |
578 | if (EFI_ERROR (Status)) {\r | |
579 | goto Exit;\r | |
580 | }\r | |
581 | \r | |
582 | //\r | |
583 | // Reduce MTU for VLAN device\r | |
584 | //\r | |
585 | MnpServiceData->Mtu = SnpMode->MaxPacketSize - NET_VLAN_TAG_LEN;\r | |
586 | } else {\r | |
587 | //\r | |
588 | // VlanId set to 0 means rx/tx untagged frame\r | |
589 | //\r | |
590 | MnpServiceHandle = MnpDeviceData->ControllerHandle;\r | |
591 | MnpServiceData->Mtu = SnpMode->MaxPacketSize;\r | |
592 | }\r | |
593 | \r | |
594 | MnpServiceData->ServiceHandle = MnpServiceHandle;\r | |
595 | MnpServiceData->VlanId = VlanId;\r | |
596 | MnpServiceData->Priority = Priority;\r | |
597 | \r | |
598 | //\r | |
599 | // Install the MNP Service Binding Protocol\r | |
600 | //\r | |
601 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
602 | &MnpServiceHandle,\r | |
603 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
604 | &MnpServiceData->ServiceBinding,\r | |
605 | NULL\r | |
606 | );\r | |
607 | \r | |
608 | Exit:\r | |
609 | if (EFI_ERROR (Status)) {\r | |
610 | MnpDestroyServiceData (MnpServiceData);\r | |
611 | MnpServiceData = NULL;\r | |
612 | }\r | |
613 | \r | |
614 | return MnpServiceData;\r | |
615 | }\r | |
616 | \r | |
617 | /**\r | |
618 | Destroy the MNP service context data.\r | |
619 | \r | |
620 | @param[in, out] MnpServiceData Pointer to the mnp service context data.\r | |
621 | \r | |
622 | @retval EFI_SUCCESS The mnp service context is destroyed.\r | |
623 | @retval Others Errors as indicated.\r | |
624 | \r | |
625 | **/\r | |
626 | EFI_STATUS\r | |
627 | MnpDestroyServiceData (\r | |
628 | IN OUT MNP_SERVICE_DATA *MnpServiceData\r | |
629 | )\r | |
630 | {\r | |
631 | EFI_STATUS Status;\r | |
632 | \r | |
633 | //\r | |
634 | // Uninstall the MNP Service Binding Protocol\r | |
635 | //\r | |
636 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
637 | MnpServiceData->ServiceHandle,\r | |
638 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
639 | &MnpServiceData->ServiceBinding,\r | |
640 | NULL\r | |
641 | );\r | |
642 | if (EFI_ERROR (Status)) {\r | |
643 | return Status;\r | |
644 | }\r | |
645 | \r | |
646 | if (MnpServiceData->VlanId != 0) {\r | |
647 | //\r | |
648 | // Close VlanConfig Protocol opened by VLAN child handle\r | |
649 | //\r | |
650 | Status = gBS->CloseProtocol (\r | |
651 | MnpServiceData->MnpDeviceData->ControllerHandle,\r | |
652 | &gEfiVlanConfigProtocolGuid,\r | |
653 | MnpServiceData->MnpDeviceData->ImageHandle,\r | |
654 | MnpServiceData->ServiceHandle\r | |
655 | );\r | |
656 | if (EFI_ERROR (Status)) {\r | |
657 | return Status;\r | |
658 | }\r | |
659 | \r | |
660 | //\r | |
661 | // Uninstall Device Path Protocol to destroy the VLAN child handle\r | |
662 | //\r | |
663 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
664 | MnpServiceData->ServiceHandle,\r | |
665 | &gEfiDevicePathProtocolGuid,\r | |
666 | MnpServiceData->DevicePath,\r | |
667 | NULL\r | |
668 | );\r | |
669 | if (EFI_ERROR (Status)) {\r | |
670 | return Status;\r | |
671 | }\r | |
672 | \r | |
673 | if (MnpServiceData->DevicePath != NULL) {\r | |
674 | FreePool (MnpServiceData->DevicePath);\r | |
675 | }\r | |
676 | }\r | |
677 | \r | |
678 | //\r | |
679 | // Remove from MnpDeviceData service list\r | |
680 | //\r | |
681 | RemoveEntryList (&MnpServiceData->Link);\r | |
682 | \r | |
683 | FreePool (MnpServiceData);\r | |
684 | \r | |
685 | return Status;\r | |
8a67d61d | 686 | }\r |
687 | \r | |
216f7970 | 688 | /**\r |
689 | Callback function which provided by user to remove one node in NetDestroyLinkList process.\r | |
690 | \r | |
691 | @param[in] Entry The entry to be removed.\r | |
692 | @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r | |
693 | \r | |
694 | @retval EFI_SUCCESS The entry has been removed successfully.\r | |
695 | @retval Others Fail to remove the entry.\r | |
696 | \r | |
697 | **/\r | |
698 | EFI_STATUS\r | |
1f7eb561 | 699 | EFIAPI\r |
216f7970 | 700 | MnpDestoryChildEntry (\r |
701 | IN LIST_ENTRY *Entry,\r | |
702 | IN VOID *Context\r | |
1f7eb561 | 703 | )\r |
216f7970 | 704 | {\r |
705 | MNP_INSTANCE_DATA *Instance;\r | |
706 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
707 | \r | |
708 | ServiceBinding = (EFI_SERVICE_BINDING_PROTOCOL *) Context;\r | |
709 | Instance = CR (Entry, MNP_INSTANCE_DATA, InstEntry, MNP_INSTANCE_DATA_SIGNATURE);\r | |
710 | return ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r | |
711 | }\r | |
712 | \r | |
779ae357 | 713 | /**\r |
714 | Destroy all child of the MNP service data.\r | |
715 | \r | |
716 | @param[in, out] MnpServiceData Pointer to the mnp service context data.\r | |
717 | \r | |
718 | @retval EFI_SUCCESS All child are destroyed.\r | |
719 | @retval Others Failed to destroy all child.\r | |
720 | \r | |
721 | **/\r | |
722 | EFI_STATUS\r | |
723 | MnpDestroyServiceChild (\r | |
724 | IN OUT MNP_SERVICE_DATA *MnpServiceData\r | |
725 | )\r | |
726 | {\r | |
216f7970 | 727 | LIST_ENTRY *List;\r |
728 | EFI_STATUS Status;\r | |
729 | UINTN ListLength;\r | |
730 | \r | |
731 | List = &MnpServiceData->ChildrenList;\r | |
732 | \r | |
733 | Status = NetDestroyLinkList (\r | |
734 | List,\r | |
735 | MnpDestoryChildEntry,\r | |
736 | &MnpServiceData->ServiceBinding,\r | |
737 | &ListLength\r | |
738 | );\r | |
739 | if (EFI_ERROR (Status) || ListLength != 0) {\r | |
740 | return EFI_DEVICE_ERROR;\r | |
779ae357 | 741 | }\r |
742 | \r | |
743 | return EFI_SUCCESS;\r | |
744 | }\r | |
745 | \r | |
746 | /**\r | |
747 | Find the MNP Service Data for given VLAN ID.\r | |
748 | \r | |
749 | @param[in] MnpDeviceData Pointer to the mnp device context data.\r | |
750 | @param[in] VlanId The VLAN ID.\r | |
751 | \r | |
752 | @return A pointer to MNP_SERVICE_DATA or NULL if not found.\r | |
753 | \r | |
754 | **/\r | |
755 | MNP_SERVICE_DATA *\r | |
756 | MnpFindServiceData (\r | |
757 | IN MNP_DEVICE_DATA *MnpDeviceData,\r | |
758 | IN UINT16 VlanId\r | |
759 | )\r | |
760 | {\r | |
761 | LIST_ENTRY *Entry;\r | |
762 | MNP_SERVICE_DATA *MnpServiceData;\r | |
763 | \r | |
764 | NET_LIST_FOR_EACH (Entry, &MnpDeviceData->ServiceList) {\r | |
765 | //\r | |
766 | // Check VLAN ID of each Mnp Service Data\r | |
767 | //\r | |
768 | MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);\r | |
769 | if (MnpServiceData->VlanId == VlanId) {\r | |
770 | return MnpServiceData;\r | |
771 | }\r | |
772 | }\r | |
773 | \r | |
774 | return NULL;\r | |
775 | }\r | |
8a67d61d | 776 | \r |
777 | /**\r | |
778 | Initialize the mnp instance context data.\r | |
779 | \r | |
6e4bac4d | 780 | @param[in] MnpServiceData Pointer to the mnp service context data.\r |
779ae357 | 781 | @param[in, out] Instance Pointer to the mnp instance context data\r |
6e4bac4d | 782 | to initialize.\r |
8a67d61d | 783 | \r |
8a67d61d | 784 | **/\r |
785 | VOID\r | |
786 | MnpInitializeInstanceData (\r | |
779ae357 | 787 | IN MNP_SERVICE_DATA *MnpServiceData,\r |
788 | IN OUT MNP_INSTANCE_DATA *Instance\r | |
8a67d61d | 789 | )\r |
790 | {\r | |
791 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
792 | ASSERT (Instance != NULL);\r | |
793 | \r | |
794 | //\r | |
795 | // Set the signature.\r | |
796 | //\r | |
797 | Instance->Signature = MNP_INSTANCE_DATA_SIGNATURE;\r | |
798 | \r | |
799 | //\r | |
800 | // Copy the MNP Protocol interfaces from the template.\r | |
801 | //\r | |
687a2e5f | 802 | CopyMem (&Instance->ManagedNetwork, &mMnpProtocolTemplate, sizeof (Instance->ManagedNetwork));\r |
8a67d61d | 803 | \r |
804 | //\r | |
805 | // Copy the default config data.\r | |
806 | //\r | |
687a2e5f | 807 | CopyMem (&Instance->ConfigData, &mMnpDefaultConfigData, sizeof (Instance->ConfigData));\r |
8a67d61d | 808 | \r |
809 | //\r | |
810 | // Initialize the lists.\r | |
811 | //\r | |
e48e37fc | 812 | InitializeListHead (&Instance->GroupCtrlBlkList);\r |
813 | InitializeListHead (&Instance->RcvdPacketQueue);\r | |
814 | InitializeListHead (&Instance->RxDeliveredPacketQueue);\r | |
8a67d61d | 815 | \r |
816 | //\r | |
817 | // Initialize the RxToken Map.\r | |
818 | //\r | |
819 | NetMapInit (&Instance->RxTokenMap);\r | |
820 | \r | |
821 | //\r | |
822 | // Save the MnpServiceData info.\r | |
823 | //\r | |
824 | Instance->MnpServiceData = MnpServiceData;\r | |
825 | }\r | |
826 | \r | |
827 | \r | |
828 | /**\r | |
6e4bac4d | 829 | Check whether the token specified by Arg matches the token in Item.\r |
8a67d61d | 830 | \r |
3e8c18da | 831 | @param[in] Map Pointer to the NET_MAP.\r |
6e4bac4d | 832 | @param[in] Item Pointer to the NET_MAP_ITEM.\r |
3e8c18da | 833 | @param[in] Arg Pointer to the Arg, it's a pointer to the token to\r |
8a67d61d | 834 | check.\r |
835 | \r | |
836 | @retval EFI_SUCCESS The token specified by Arg is different from the\r | |
837 | token in Item.\r | |
838 | @retval EFI_ACCESS_DENIED The token specified by Arg is the same as that in\r | |
839 | Item.\r | |
840 | \r | |
841 | **/\r | |
842 | EFI_STATUS\r | |
e798cd87 | 843 | EFIAPI\r |
8a67d61d | 844 | MnpTokenExist (\r |
779ae357 | 845 | IN NET_MAP *Map,\r |
846 | IN NET_MAP_ITEM *Item,\r | |
847 | IN VOID *Arg\r | |
8a67d61d | 848 | )\r |
849 | {\r | |
850 | EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token;\r | |
851 | EFI_MANAGED_NETWORK_COMPLETION_TOKEN *TokenInItem;\r | |
852 | \r | |
853 | Token = (EFI_MANAGED_NETWORK_COMPLETION_TOKEN *) Arg;\r | |
854 | TokenInItem = (EFI_MANAGED_NETWORK_COMPLETION_TOKEN *) Item->Key;\r | |
855 | \r | |
856 | if ((Token == TokenInItem) || (Token->Event == TokenInItem->Event)) {\r | |
857 | //\r | |
858 | // The token is the same either the two tokens equals or the Events in\r | |
859 | // the two tokens are the same.\r | |
860 | //\r | |
861 | return EFI_ACCESS_DENIED;\r | |
862 | }\r | |
863 | \r | |
864 | return EFI_SUCCESS;\r | |
865 | }\r | |
866 | \r | |
8a67d61d | 867 | /**\r |
868 | Cancel the token specified by Arg if it matches the token in Item.\r | |
869 | \r | |
6e4bac4d | 870 | @param[in, out] Map Pointer to the NET_MAP.\r |
871 | @param[in, out] Item Pointer to the NET_MAP_ITEM.\r | |
779ae357 | 872 | @param[in] Arg Pointer to the Arg, it's a pointer to the\r |
6e4bac4d | 873 | token to cancel.\r |
8a67d61d | 874 | \r |
779ae357 | 875 | @retval EFI_SUCCESS The Arg is NULL, and the token in Item is cancelled,\r |
c57273b0 | 876 | or the Arg isn't NULL, and the token in Item is\r |
877 | different from the Arg.\r | |
878 | @retval EFI_ABORTED The Arg isn't NULL, the token in Item mathces the\r | |
879 | Arg, and the token is cancelled.\r | |
8a67d61d | 880 | \r |
881 | **/\r | |
882 | EFI_STATUS\r | |
e798cd87 | 883 | EFIAPI\r |
8a67d61d | 884 | MnpCancelTokens (\r |
779ae357 | 885 | IN OUT NET_MAP *Map,\r |
886 | IN OUT NET_MAP_ITEM *Item,\r | |
887 | IN VOID *Arg\r | |
8a67d61d | 888 | )\r |
889 | {\r | |
890 | EFI_MANAGED_NETWORK_COMPLETION_TOKEN *TokenToCancel;\r | |
891 | \r | |
892 | if ((Arg != NULL) && (Item->Key != Arg)) {\r | |
893 | //\r | |
894 | // The token in Item is not the token specified by Arg.\r | |
895 | //\r | |
896 | return EFI_SUCCESS;\r | |
897 | }\r | |
898 | \r | |
779ae357 | 899 | TokenToCancel = (EFI_MANAGED_NETWORK_COMPLETION_TOKEN *) Item->Key;\r |
8a67d61d | 900 | \r |
901 | //\r | |
36ee91ca | 902 | // Remove the item from the map.\r |
8a67d61d | 903 | //\r |
36ee91ca | 904 | NetMapRemoveItem (Map, Item, NULL);\r |
8a67d61d | 905 | \r |
906 | //\r | |
36ee91ca | 907 | // Cancel this token with status set to EFI_ABORTED.\r |
8a67d61d | 908 | //\r |
36ee91ca | 909 | TokenToCancel->Status = EFI_ABORTED;\r |
910 | gBS->SignalEvent (TokenToCancel->Event);\r | |
8a67d61d | 911 | \r |
912 | if (Arg != NULL) {\r | |
913 | //\r | |
914 | // Only abort the token specified by Arg if Arg isn't NULL.\r | |
915 | //\r | |
916 | return EFI_ABORTED;\r | |
917 | }\r | |
918 | \r | |
919 | return EFI_SUCCESS;\r | |
920 | }\r | |
921 | \r | |
922 | \r | |
923 | /**\r | |
924 | Start and initialize the simple network.\r | |
925 | \r | |
3e8c18da | 926 | @param[in] Snp Pointer to the simple network protocol.\r |
8a67d61d | 927 | \r |
928 | @retval EFI_SUCCESS The simple network protocol is started.\r | |
6e4bac4d | 929 | @retval Others Other errors as indicated.\r |
8a67d61d | 930 | \r |
931 | **/\r | |
8a67d61d | 932 | EFI_STATUS\r |
933 | MnpStartSnp (\r | |
779ae357 | 934 | IN EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r |
8a67d61d | 935 | )\r |
936 | {\r | |
937 | EFI_STATUS Status;\r | |
938 | \r | |
939 | ASSERT (Snp != NULL);\r | |
940 | \r | |
941 | //\r | |
942 | // Start the simple network.\r | |
943 | //\r | |
944 | Status = Snp->Start (Snp);\r | |
945 | \r | |
946 | if (!EFI_ERROR (Status)) {\r | |
947 | //\r | |
948 | // Initialize the simple network.\r | |
949 | //\r | |
779ae357 | 950 | Status = Snp->Initialize (Snp, 0, 0);\r |
8a67d61d | 951 | }\r |
952 | \r | |
953 | return Status;\r | |
954 | }\r | |
955 | \r | |
956 | \r | |
957 | /**\r | |
958 | Stop the simple network.\r | |
959 | \r | |
3e8c18da | 960 | @param[in] Snp Pointer to the simple network protocol.\r |
8a67d61d | 961 | \r |
962 | @retval EFI_SUCCESS The simple network is stopped.\r | |
6e4bac4d | 963 | @retval Others Other errors as indicated.\r |
8a67d61d | 964 | \r |
965 | **/\r | |
8a67d61d | 966 | EFI_STATUS\r |
967 | MnpStopSnp (\r | |
779ae357 | 968 | IN EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r |
8a67d61d | 969 | )\r |
970 | {\r | |
971 | EFI_STATUS Status;\r | |
972 | \r | |
973 | ASSERT (Snp != NULL);\r | |
974 | \r | |
975 | //\r | |
976 | // Shut down the simple network.\r | |
977 | //\r | |
779ae357 | 978 | Status = Snp->Shutdown (Snp);\r |
8a67d61d | 979 | if (!EFI_ERROR (Status)) {\r |
980 | //\r | |
981 | // Stop the simple network.\r | |
982 | //\r | |
983 | Status = Snp->Stop (Snp);\r | |
984 | }\r | |
985 | \r | |
986 | return Status;\r | |
987 | }\r | |
988 | \r | |
989 | \r | |
990 | /**\r | |
991 | Start the managed network, this function is called when one instance is configured\r | |
992 | or reconfigured.\r | |
993 | \r | |
6e4bac4d | 994 | @param[in, out] MnpServiceData Pointer to the mnp service context data.\r |
995 | @param[in] IsConfigUpdate The instance is reconfigured or it's the first\r | |
996 | time the instanced is configured.\r | |
997 | @param[in] EnableSystemPoll Enable the system polling or not.\r | |
8a67d61d | 998 | \r |
6e4bac4d | 999 | @retval EFI_SUCCESS The managed network is started and some\r |
1000 | configuration is updated.\r | |
1001 | @retval Others Other errors as indicated.\r | |
8a67d61d | 1002 | \r |
1003 | **/\r | |
8a67d61d | 1004 | EFI_STATUS\r |
1005 | MnpStart (\r | |
779ae357 | 1006 | IN OUT MNP_SERVICE_DATA *MnpServiceData,\r |
1007 | IN BOOLEAN IsConfigUpdate,\r | |
1008 | IN BOOLEAN EnableSystemPoll\r | |
8a67d61d | 1009 | )\r |
1010 | {\r | |
1011 | EFI_STATUS Status;\r | |
1012 | EFI_TIMER_DELAY TimerOpType;\r | |
779ae357 | 1013 | MNP_DEVICE_DATA *MnpDeviceData;\r |
8a67d61d | 1014 | \r |
1015 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
1016 | \r | |
779ae357 | 1017 | Status = EFI_SUCCESS;\r |
1018 | MnpDeviceData = MnpServiceData->MnpDeviceData;\r | |
8a67d61d | 1019 | \r |
1020 | if (!IsConfigUpdate) {\r | |
1021 | //\r | |
1022 | // If it's not a configuration update, increase the configured children number.\r | |
1023 | //\r | |
779ae357 | 1024 | MnpDeviceData->ConfiguredChildrenNumber++;\r |
8a67d61d | 1025 | \r |
779ae357 | 1026 | if (MnpDeviceData->ConfiguredChildrenNumber == 1) {\r |
8a67d61d | 1027 | //\r |
1028 | // It's the first configured child, start the simple network.\r | |
1029 | //\r | |
779ae357 | 1030 | Status = MnpStartSnp (MnpDeviceData->Snp);\r |
8a67d61d | 1031 | if (EFI_ERROR (Status)) {\r |
e48e37fc | 1032 | DEBUG ((EFI_D_ERROR, "MnpStart: MnpStartSnp failed, %r.\n", Status));\r |
779ae357 | 1033 | \r |
8a67d61d | 1034 | goto ErrorExit;\r |
1035 | }\r | |
1036 | \r | |
1037 | //\r | |
1038 | // Start the timeout timer.\r | |
1039 | //\r | |
1040 | Status = gBS->SetTimer (\r | |
779ae357 | 1041 | MnpDeviceData->TimeoutCheckTimer,\r |
8a67d61d | 1042 | TimerPeriodic,\r |
1043 | MNP_TIMEOUT_CHECK_INTERVAL\r | |
1044 | );\r | |
1045 | if (EFI_ERROR (Status)) {\r | |
e48e37fc | 1046 | DEBUG (\r |
1047 | (EFI_D_ERROR,\r | |
1048 | "MnpStart, gBS->SetTimer for TimeoutCheckTimer %r.\n",\r | |
8a67d61d | 1049 | Status)\r |
1050 | );\r | |
779ae357 | 1051 | \r |
8a67d61d | 1052 | goto ErrorExit;\r |
1053 | }\r | |
dd29f3ed | 1054 | \r |
1055 | //\r | |
1056 | // Start the media detection timer.\r | |
1057 | //\r | |
1058 | Status = gBS->SetTimer (\r | |
1059 | MnpDeviceData->MediaDetectTimer,\r | |
1060 | TimerPeriodic,\r | |
1061 | MNP_MEDIA_DETECT_INTERVAL\r | |
1062 | );\r | |
1063 | if (EFI_ERROR (Status)) {\r | |
1064 | DEBUG (\r | |
1065 | (EFI_D_ERROR,\r | |
1066 | "MnpStart, gBS->SetTimer for MediaDetectTimer %r.\n",\r | |
1067 | Status)\r | |
1068 | );\r | |
1069 | \r | |
1070 | goto ErrorExit;\r | |
1071 | }\r | |
8a67d61d | 1072 | }\r |
1073 | }\r | |
1074 | \r | |
779ae357 | 1075 | if (MnpDeviceData->EnableSystemPoll ^ EnableSystemPoll) {\r |
8a67d61d | 1076 | //\r |
1077 | // The EnableSystemPoll differs with the current state, disable or enable\r | |
1078 | // the system poll.\r | |
1079 | //\r | |
1080 | TimerOpType = EnableSystemPoll ? TimerPeriodic : TimerCancel;\r | |
1081 | \r | |
779ae357 | 1082 | Status = gBS->SetTimer (MnpDeviceData->PollTimer, TimerOpType, MNP_SYS_POLL_INTERVAL);\r |
8a67d61d | 1083 | if (EFI_ERROR (Status)) {\r |
e48e37fc | 1084 | DEBUG ((EFI_D_ERROR, "MnpStart: gBS->SetTimer for PollTimer failed, %r.\n", Status));\r |
779ae357 | 1085 | \r |
8a67d61d | 1086 | goto ErrorExit;\r |
1087 | }\r | |
1088 | \r | |
779ae357 | 1089 | MnpDeviceData->EnableSystemPoll = EnableSystemPoll;\r |
8a67d61d | 1090 | }\r |
1091 | \r | |
1092 | //\r | |
1093 | // Change the receive filters if need.\r | |
1094 | //\r | |
779ae357 | 1095 | Status = MnpConfigReceiveFilters (MnpDeviceData);\r |
8a67d61d | 1096 | \r |
1097 | ErrorExit:\r | |
8a67d61d | 1098 | return Status;\r |
1099 | }\r | |
1100 | \r | |
1101 | \r | |
1102 | /**\r | |
1103 | Stop the managed network.\r | |
1104 | \r | |
6e4bac4d | 1105 | @param[in, out] MnpServiceData Pointer to the mnp service context data.\r |
8a67d61d | 1106 | \r |
6e4bac4d | 1107 | @retval EFI_SUCCESS The managed network is stopped.\r |
1108 | @retval Others Other errors as indicated.\r | |
8a67d61d | 1109 | \r |
1110 | **/\r | |
8a67d61d | 1111 | EFI_STATUS\r |
1112 | MnpStop (\r | |
779ae357 | 1113 | IN OUT MNP_SERVICE_DATA *MnpServiceData\r |
8a67d61d | 1114 | )\r |
1115 | {\r | |
779ae357 | 1116 | EFI_STATUS Status;\r |
1117 | MNP_DEVICE_DATA *MnpDeviceData;\r | |
8a67d61d | 1118 | \r |
1119 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
779ae357 | 1120 | MnpDeviceData = MnpServiceData->MnpDeviceData;\r |
1121 | ASSERT (MnpDeviceData->ConfiguredChildrenNumber > 0);\r | |
8a67d61d | 1122 | \r |
1123 | //\r | |
1124 | // Configure the receive filters.\r | |
1125 | //\r | |
779ae357 | 1126 | MnpConfigReceiveFilters (MnpDeviceData);\r |
8a67d61d | 1127 | \r |
1128 | //\r | |
1129 | // Decrease the children number.\r | |
1130 | //\r | |
779ae357 | 1131 | MnpDeviceData->ConfiguredChildrenNumber--;\r |
8a67d61d | 1132 | \r |
779ae357 | 1133 | if (MnpDeviceData->ConfiguredChildrenNumber > 0) {\r |
8a67d61d | 1134 | //\r |
1135 | // If there are other configured chilren, return and keep the timers and\r | |
1136 | // simple network unchanged.\r | |
1137 | //\r | |
1138 | return EFI_SUCCESS;\r | |
1139 | }\r | |
1140 | \r | |
1141 | //\r | |
1142 | // No configured children now.\r | |
1143 | //\r | |
779ae357 | 1144 | if (MnpDeviceData->EnableSystemPoll) {\r |
8a67d61d | 1145 | //\r |
1146 | // The system poll in on, cancel the poll timer.\r | |
1147 | //\r | |
779ae357 | 1148 | Status = gBS->SetTimer (MnpDeviceData->PollTimer, TimerCancel, 0);\r |
1149 | MnpDeviceData->EnableSystemPoll = FALSE;\r | |
8a67d61d | 1150 | }\r |
1151 | \r | |
1152 | //\r | |
1153 | // Cancel the timeout timer.\r | |
1154 | //\r | |
779ae357 | 1155 | Status = gBS->SetTimer (MnpDeviceData->TimeoutCheckTimer, TimerCancel, 0);\r |
8a67d61d | 1156 | \r |
dd29f3ed | 1157 | //\r |
1158 | // Cancel the media detect timer.\r | |
1159 | //\r | |
1160 | Status = gBS->SetTimer (MnpDeviceData->MediaDetectTimer, TimerCancel, 0);\r | |
1161 | \r | |
8a67d61d | 1162 | //\r |
1163 | // Stop the simple network.\r | |
1164 | //\r | |
779ae357 | 1165 | Status = MnpStopSnp (MnpDeviceData->Snp);\r |
8a67d61d | 1166 | return Status;\r |
1167 | }\r | |
1168 | \r | |
1169 | \r | |
1170 | /**\r | |
1171 | Flush the instance's received data.\r | |
1172 | \r | |
6e4bac4d | 1173 | @param[in, out] Instance Pointer to the mnp instance context data.\r |
8a67d61d | 1174 | \r |
8a67d61d | 1175 | **/\r |
1176 | VOID\r | |
1177 | MnpFlushRcvdDataQueue (\r | |
779ae357 | 1178 | IN OUT MNP_INSTANCE_DATA *Instance\r |
8a67d61d | 1179 | )\r |
1180 | {\r | |
779ae357 | 1181 | EFI_TPL OldTpl;\r |
8a67d61d | 1182 | MNP_RXDATA_WRAP *RxDataWrap;\r |
1183 | \r | |
1184 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1185 | \r | |
e48e37fc | 1186 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
8a67d61d | 1187 | \r |
e48e37fc | 1188 | while (!IsListEmpty (&Instance->RcvdPacketQueue)) {\r |
8a67d61d | 1189 | //\r |
1190 | // Remove all the Wraps.\r | |
1191 | //\r | |
1192 | RxDataWrap = NET_LIST_HEAD (&Instance->RcvdPacketQueue, MNP_RXDATA_WRAP, WrapEntry);\r | |
1193 | \r | |
1194 | //\r | |
1195 | // Recycle the RxDataWrap.\r | |
1196 | //\r | |
1197 | MnpRecycleRxData (NULL, (VOID *) RxDataWrap);\r | |
1198 | Instance->RcvdPacketQueueSize--;\r | |
1199 | }\r | |
1200 | \r | |
1201 | ASSERT (Instance->RcvdPacketQueueSize == 0);\r | |
1202 | \r | |
e48e37fc | 1203 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 1204 | }\r |
1205 | \r | |
1206 | \r | |
1207 | /**\r | |
1208 | Configure the Instance using ConfigData.\r | |
1209 | \r | |
6e4bac4d | 1210 | @param[in, out] Instance Pointer to the mnp instance context data.\r |
1211 | @param[in] ConfigData Pointer to the configuration data used to configure\r | |
8a67d61d | 1212 | the isntance.\r |
1213 | \r | |
1214 | @retval EFI_SUCCESS The Instance is configured.\r | |
1215 | @retval EFI_UNSUPPORTED EnableReceiveTimestamps is on and the\r | |
1216 | implementation doesn't support it.\r | |
6e4bac4d | 1217 | @retval Others Other errors as indicated.\r |
8a67d61d | 1218 | \r |
1219 | **/\r | |
1220 | EFI_STATUS\r | |
1221 | MnpConfigureInstance (\r | |
779ae357 | 1222 | IN OUT MNP_INSTANCE_DATA *Instance,\r |
1223 | IN EFI_MANAGED_NETWORK_CONFIG_DATA *ConfigData OPTIONAL\r | |
8a67d61d | 1224 | )\r |
1225 | {\r | |
1226 | EFI_STATUS Status;\r | |
1227 | MNP_SERVICE_DATA *MnpServiceData;\r | |
779ae357 | 1228 | MNP_DEVICE_DATA *MnpDeviceData;\r |
8a67d61d | 1229 | EFI_MANAGED_NETWORK_CONFIG_DATA *OldConfigData;\r |
1230 | EFI_MANAGED_NETWORK_CONFIG_DATA *NewConfigData;\r | |
1231 | BOOLEAN IsConfigUpdate;\r | |
1232 | \r | |
1233 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1234 | \r | |
1235 | if ((ConfigData != NULL) && ConfigData->EnableReceiveTimestamps) {\r | |
1236 | //\r | |
1237 | // Don't support timestamp.\r | |
1238 | //\r | |
1239 | return EFI_UNSUPPORTED;\r | |
1240 | }\r | |
1241 | \r | |
1242 | Status = EFI_SUCCESS;\r | |
1243 | \r | |
1244 | MnpServiceData = Instance->MnpServiceData;\r | |
779ae357 | 1245 | MnpDeviceData = MnpServiceData->MnpDeviceData;\r |
1246 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r | |
8a67d61d | 1247 | \r |
1248 | IsConfigUpdate = (BOOLEAN) ((Instance->Configured) && (ConfigData != NULL));\r | |
1249 | \r | |
1250 | OldConfigData = &Instance->ConfigData;\r | |
1251 | NewConfigData = ConfigData;\r | |
1252 | if (NewConfigData == NULL) {\r | |
1253 | //\r | |
1254 | // Restore back the default config data if a reset of this instance\r | |
1255 | // is required.\r | |
1256 | //\r | |
1257 | NewConfigData = &mMnpDefaultConfigData;\r | |
1258 | }\r | |
1259 | \r | |
1260 | //\r | |
1261 | // Reset the instance's receive filter.\r | |
1262 | //\r | |
1263 | Instance->ReceiveFilter = 0;\r | |
1264 | \r | |
1265 | //\r | |
1266 | // Clear the receive counters according to the old ConfigData.\r | |
1267 | //\r | |
1268 | if (OldConfigData->EnableUnicastReceive) {\r | |
779ae357 | 1269 | MnpDeviceData->UnicastCount--;\r |
8a67d61d | 1270 | }\r |
1271 | \r | |
1272 | if (OldConfigData->EnableMulticastReceive) {\r | |
779ae357 | 1273 | MnpDeviceData->MulticastCount--;\r |
8a67d61d | 1274 | }\r |
1275 | \r | |
1276 | if (OldConfigData->EnableBroadcastReceive) {\r | |
779ae357 | 1277 | MnpDeviceData->BroadcastCount--;\r |
8a67d61d | 1278 | }\r |
1279 | \r | |
1280 | if (OldConfigData->EnablePromiscuousReceive) {\r | |
779ae357 | 1281 | MnpDeviceData->PromiscuousCount--;\r |
8a67d61d | 1282 | }\r |
1283 | \r | |
1284 | //\r | |
1285 | // Set the receive filter counters and the receive filter of the\r | |
1286 | // instance according to the new ConfigData.\r | |
1287 | //\r | |
1288 | if (NewConfigData->EnableUnicastReceive) {\r | |
779ae357 | 1289 | MnpDeviceData->UnicastCount++;\r |
8a67d61d | 1290 | Instance->ReceiveFilter |= MNP_RECEIVE_UNICAST;\r |
1291 | }\r | |
1292 | \r | |
1293 | if (NewConfigData->EnableMulticastReceive) {\r | |
779ae357 | 1294 | MnpDeviceData->MulticastCount++;\r |
8a67d61d | 1295 | }\r |
1296 | \r | |
1297 | if (NewConfigData->EnableBroadcastReceive) {\r | |
779ae357 | 1298 | MnpDeviceData->BroadcastCount++;\r |
8a67d61d | 1299 | Instance->ReceiveFilter |= MNP_RECEIVE_BROADCAST;\r |
1300 | }\r | |
1301 | \r | |
1302 | if (NewConfigData->EnablePromiscuousReceive) {\r | |
779ae357 | 1303 | MnpDeviceData->PromiscuousCount++;\r |
8a67d61d | 1304 | }\r |
1305 | \r | |
1306 | if (OldConfigData->FlushQueuesOnReset) {\r | |
8a67d61d | 1307 | MnpFlushRcvdDataQueue (Instance);\r |
1308 | }\r | |
1309 | \r | |
1310 | if (ConfigData == NULL) {\r | |
36ee91ca | 1311 | Instance->ManagedNetwork.Cancel (&Instance->ManagedNetwork, NULL);\r |
8a67d61d | 1312 | }\r |
1313 | \r | |
1314 | if (!NewConfigData->EnableMulticastReceive) {\r | |
8a67d61d | 1315 | MnpGroupOp (Instance, FALSE, NULL, NULL);\r |
1316 | }\r | |
1317 | \r | |
1318 | //\r | |
1319 | // Save the new configuration data.\r | |
1320 | //\r | |
687a2e5f | 1321 | CopyMem (OldConfigData, NewConfigData, sizeof (*OldConfigData));\r |
8a67d61d | 1322 | \r |
779ae357 | 1323 | Instance->Configured = (BOOLEAN) (ConfigData != NULL);\r |
8a67d61d | 1324 | if (Instance->Configured) {\r |
1325 | //\r | |
1326 | // The instance is configured, start the Mnp.\r | |
1327 | //\r | |
1328 | Status = MnpStart (\r | |
1329 | MnpServiceData,\r | |
1330 | IsConfigUpdate,\r | |
4eb65aff | 1331 | (BOOLEAN) !NewConfigData->DisableBackgroundPolling\r |
8a67d61d | 1332 | );\r |
1333 | } else {\r | |
1334 | //\r | |
1335 | // The instance is changed to the unconfigured state, stop the Mnp.\r | |
1336 | //\r | |
1337 | Status = MnpStop (MnpServiceData);\r | |
1338 | }\r | |
1339 | \r | |
1340 | return Status;\r | |
1341 | }\r | |
1342 | \r | |
aeddd425 | 1343 | /**\r |
1344 | Configure the Snp receive filters according to the instances' receive filter\r | |
1345 | settings.\r | |
1346 | \r | |
779ae357 | 1347 | @param[in] MnpDeviceData Pointer to the mnp device context data.\r |
aeddd425 | 1348 | \r |
1349 | @retval EFI_SUCCESS The receive filters is configured.\r | |
779ae357 | 1350 | @retval EFI_OUT_OF_RESOURCES The receive filters can't be configured due\r |
aeddd425 | 1351 | to lack of memory resource.\r |
1352 | \r | |
1353 | **/\r | |
1354 | EFI_STATUS\r | |
1355 | MnpConfigReceiveFilters (\r | |
779ae357 | 1356 | IN MNP_DEVICE_DATA *MnpDeviceData\r |
aeddd425 | 1357 | )\r |
1358 | {\r | |
1359 | EFI_STATUS Status;\r | |
1360 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
1361 | EFI_MAC_ADDRESS *MCastFilter;\r | |
1362 | UINT32 MCastFilterCnt;\r | |
1363 | UINT32 EnableFilterBits;\r | |
1364 | UINT32 DisableFilterBits;\r | |
1365 | BOOLEAN ResetMCastFilters;\r | |
1366 | LIST_ENTRY *Entry;\r | |
1367 | UINT32 Index;\r | |
1368 | MNP_GROUP_ADDRESS *GroupAddress;\r | |
1369 | \r | |
779ae357 | 1370 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r |
aeddd425 | 1371 | \r |
779ae357 | 1372 | Snp = MnpDeviceData->Snp;\r |
aeddd425 | 1373 | \r |
1374 | //\r | |
1375 | // Initialize the enable filter and disable filter.\r | |
1376 | //\r | |
1377 | EnableFilterBits = 0;\r | |
1378 | DisableFilterBits = Snp->Mode->ReceiveFilterMask;\r | |
1379 | \r | |
779ae357 | 1380 | if (MnpDeviceData->UnicastCount != 0) {\r |
aeddd425 | 1381 | //\r |
1382 | // Enable unicast if any instance wants to receive unicast.\r | |
1383 | //\r | |
1384 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r | |
1385 | }\r | |
1386 | \r | |
779ae357 | 1387 | if (MnpDeviceData->BroadcastCount != 0) {\r |
aeddd425 | 1388 | //\r |
1389 | // Enable broadcast if any instance wants to receive broadcast.\r | |
1390 | //\r | |
1391 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r | |
1392 | }\r | |
1393 | \r | |
1394 | MCastFilter = NULL;\r | |
1395 | MCastFilterCnt = 0;\r | |
1396 | ResetMCastFilters = TRUE;\r | |
1397 | \r | |
779ae357 | 1398 | if ((MnpDeviceData->MulticastCount != 0) && (MnpDeviceData->GroupAddressCount != 0)) {\r |
aeddd425 | 1399 | //\r |
1400 | // There are instances configured to receive multicast and already some group\r | |
1401 | // addresses are joined.\r | |
1402 | //\r | |
1403 | \r | |
1404 | ResetMCastFilters = FALSE;\r | |
1405 | \r | |
779ae357 | 1406 | if (MnpDeviceData->GroupAddressCount <= Snp->Mode->MaxMCastFilterCount) {\r |
aeddd425 | 1407 | //\r |
1408 | // The joind group address is less than simple network's maximum count.\r | |
1409 | // Just configure the snp to do the multicast filtering.\r | |
1410 | //\r | |
1411 | \r | |
1412 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r | |
1413 | \r | |
1414 | //\r | |
1415 | // Allocate pool for the mulicast addresses.\r | |
1416 | //\r | |
779ae357 | 1417 | MCastFilterCnt = MnpDeviceData->GroupAddressCount;\r |
aeddd425 | 1418 | MCastFilter = AllocatePool (sizeof (EFI_MAC_ADDRESS) * MCastFilterCnt);\r |
1419 | if (MCastFilter == NULL) {\r | |
aeddd425 | 1420 | DEBUG ((EFI_D_ERROR, "MnpConfigReceiveFilters: Failed to allocate memory resource for MCastFilter.\n"));\r |
779ae357 | 1421 | \r |
aeddd425 | 1422 | return EFI_OUT_OF_RESOURCES;\r |
1423 | }\r | |
1424 | \r | |
1425 | //\r | |
1426 | // Fill the multicast HW address buffer.\r | |
1427 | //\r | |
1428 | Index = 0;\r | |
779ae357 | 1429 | NET_LIST_FOR_EACH (Entry, &MnpDeviceData->GroupAddressList) {\r |
aeddd425 | 1430 | \r |
779ae357 | 1431 | GroupAddress = NET_LIST_USER_STRUCT (Entry, MNP_GROUP_ADDRESS, AddrEntry);\r |
aeddd425 | 1432 | CopyMem (MCastFilter + Index, &GroupAddress->Address, sizeof (*(MCastFilter + Index)));\r |
1433 | Index++;\r | |
1434 | \r | |
1435 | ASSERT (Index <= MCastFilterCnt);\r | |
1436 | }\r | |
1437 | } else {\r | |
1438 | //\r | |
1439 | // The maximum multicast is reached, set the filter to be promiscuous\r | |
1440 | // multicast.\r | |
1441 | //\r | |
1442 | \r | |
1443 | if ((Snp->Mode->ReceiveFilterMask & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST) != 0) {\r | |
1444 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
1445 | } else {\r | |
1446 | //\r | |
1447 | // Either MULTICAST or PROMISCUOUS_MULTICAST is not supported by Snp,\r | |
1448 | // set the NIC to be promiscuous although this will tremendously degrade\r | |
1449 | // the performance.\r | |
1450 | //\r | |
1451 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
1452 | }\r | |
1453 | }\r | |
1454 | }\r | |
1455 | \r | |
779ae357 | 1456 | if (MnpDeviceData->PromiscuousCount != 0) {\r |
aeddd425 | 1457 | //\r |
1458 | // Enable promiscuous if any instance wants to receive promiscuous.\r | |
1459 | //\r | |
1460 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
1461 | }\r | |
1462 | \r | |
1463 | //\r | |
1464 | // Set the disable filter.\r | |
1465 | //\r | |
1466 | DisableFilterBits ^= EnableFilterBits;\r | |
1467 | \r | |
1468 | //\r | |
1469 | // Configure the receive filters of SNP.\r | |
1470 | //\r | |
1471 | Status = Snp->ReceiveFilters (\r | |
1472 | Snp,\r | |
1473 | EnableFilterBits,\r | |
1474 | DisableFilterBits,\r | |
1475 | ResetMCastFilters,\r | |
1476 | MCastFilterCnt,\r | |
1477 | MCastFilter\r | |
1478 | );\r | |
1479 | DEBUG_CODE (\r | |
1480 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 1481 | DEBUG (\r |
1482 | (EFI_D_ERROR,\r | |
1483 | "MnpConfigReceiveFilters: Snp->ReceiveFilters failed, %r.\n",\r | |
1484 | Status)\r | |
1485 | );\r | |
1486 | }\r | |
aeddd425 | 1487 | );\r |
1488 | \r | |
1489 | if (MCastFilter != NULL) {\r | |
1490 | //\r | |
1491 | // Free the buffer used to hold the group addresses.\r | |
1492 | //\r | |
766c7483 | 1493 | FreePool (MCastFilter);\r |
aeddd425 | 1494 | }\r |
1495 | \r | |
1496 | return Status;\r | |
1497 | }\r | |
8a67d61d | 1498 | \r |
8a67d61d | 1499 | \r |
1500 | /**\r | |
1501 | Add a group address control block which controls the MacAddress for\r | |
1502 | this instance.\r | |
1503 | \r | |
6e4bac4d | 1504 | @param[in, out] Instance Pointer to the mnp instance context data.\r |
1505 | @param[in, out] CtrlBlk Pointer to the group address control block.\r | |
1506 | @param[in, out] GroupAddress Pointer to the group adress.\r | |
1507 | @param[in] MacAddress Pointer to the mac address.\r | |
1508 | @param[in] HwAddressSize The hardware address size.\r | |
8a67d61d | 1509 | \r |
6e4bac4d | 1510 | @retval EFI_SUCCESS The group address control block is added.\r |
1511 | @retval EFI_OUT_OF_RESOURCES Failed due to lack of memory resources.\r | |
8a67d61d | 1512 | \r |
1513 | **/\r | |
8a67d61d | 1514 | EFI_STATUS\r |
1515 | MnpGroupOpAddCtrlBlk (\r | |
779ae357 | 1516 | IN OUT MNP_INSTANCE_DATA *Instance,\r |
1517 | IN OUT MNP_GROUP_CONTROL_BLOCK *CtrlBlk,\r | |
1518 | IN OUT MNP_GROUP_ADDRESS *GroupAddress OPTIONAL,\r | |
1519 | IN EFI_MAC_ADDRESS *MacAddress,\r | |
1520 | IN UINT32 HwAddressSize\r | |
8a67d61d | 1521 | )\r |
1522 | {\r | |
779ae357 | 1523 | MNP_DEVICE_DATA *MnpDeviceData;\r |
8a67d61d | 1524 | \r |
1525 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1526 | \r | |
779ae357 | 1527 | MnpDeviceData = Instance->MnpServiceData->MnpDeviceData;\r |
1528 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r | |
8a67d61d | 1529 | \r |
1530 | if (GroupAddress == NULL) {\r | |
8a67d61d | 1531 | ASSERT (MacAddress != NULL);\r |
1532 | \r | |
1533 | //\r | |
1534 | // Allocate a new GroupAddress to be added into MNP's GroupAddressList.\r | |
1535 | //\r | |
e48e37fc | 1536 | GroupAddress = AllocatePool (sizeof (MNP_GROUP_ADDRESS));\r |
8a67d61d | 1537 | if (GroupAddress == NULL) {\r |
1538 | \r | |
e48e37fc | 1539 | DEBUG ((EFI_D_ERROR, "MnpGroupOpFormCtrlBlk: Failed to allocate memory resource.\n"));\r |
8a67d61d | 1540 | \r |
1541 | return EFI_OUT_OF_RESOURCES;\r | |
1542 | }\r | |
1543 | \r | |
687a2e5f | 1544 | CopyMem (&GroupAddress->Address, MacAddress, sizeof (GroupAddress->Address));\r |
779ae357 | 1545 | GroupAddress->RefCnt = 0;\r |
e48e37fc | 1546 | InsertTailList (\r |
779ae357 | 1547 | &MnpDeviceData->GroupAddressList,\r |
8a67d61d | 1548 | &GroupAddress->AddrEntry\r |
1549 | );\r | |
779ae357 | 1550 | MnpDeviceData->GroupAddressCount++;\r |
8a67d61d | 1551 | }\r |
1552 | \r | |
1553 | //\r | |
1554 | // Increase the RefCnt.\r | |
1555 | //\r | |
1556 | GroupAddress->RefCnt++;\r | |
1557 | \r | |
1558 | //\r | |
1559 | // Add the CtrlBlk into the instance's GroupCtrlBlkList.\r | |
1560 | //\r | |
1561 | CtrlBlk->GroupAddress = GroupAddress;\r | |
e48e37fc | 1562 | InsertTailList (&Instance->GroupCtrlBlkList, &CtrlBlk->CtrlBlkEntry);\r |
8a67d61d | 1563 | \r |
1564 | return EFI_SUCCESS;\r | |
1565 | }\r | |
1566 | \r | |
1567 | \r | |
1568 | /**\r | |
1569 | Delete a group control block from the instance. If the controlled group address's\r | |
1570 | reference count reaches zero, the group address is removed too.\r | |
1571 | \r | |
3e8c18da | 1572 | @param[in] Instance Pointer to the instance context data.\r |
1573 | @param[in] CtrlBlk Pointer to the group control block to delete.\r | |
8a67d61d | 1574 | \r |
1575 | @return The group address controlled by the control block is no longer used or not.\r | |
1576 | \r | |
1577 | **/\r | |
8a67d61d | 1578 | BOOLEAN\r |
1579 | MnpGroupOpDelCtrlBlk (\r | |
779ae357 | 1580 | IN MNP_INSTANCE_DATA *Instance,\r |
1581 | IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk\r | |
8a67d61d | 1582 | )\r |
1583 | {\r | |
779ae357 | 1584 | MNP_DEVICE_DATA *MnpDeviceData;\r |
8a67d61d | 1585 | MNP_GROUP_ADDRESS *GroupAddress;\r |
1586 | \r | |
1587 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1588 | \r | |
779ae357 | 1589 | MnpDeviceData = Instance->MnpServiceData->MnpDeviceData;\r |
1590 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r | |
8a67d61d | 1591 | \r |
1592 | //\r | |
1593 | // Remove and free the CtrlBlk.\r | |
1594 | //\r | |
1595 | GroupAddress = CtrlBlk->GroupAddress;\r | |
e48e37fc | 1596 | RemoveEntryList (&CtrlBlk->CtrlBlkEntry);\r |
766c7483 | 1597 | FreePool (CtrlBlk);\r |
8a67d61d | 1598 | \r |
1599 | ASSERT (GroupAddress->RefCnt > 0);\r | |
1600 | \r | |
1601 | //\r | |
1602 | // Count down the RefCnt.\r | |
1603 | //\r | |
1604 | GroupAddress->RefCnt--;\r | |
1605 | \r | |
1606 | if (GroupAddress->RefCnt == 0) {\r | |
1607 | //\r | |
1608 | // Free this GroupAddress entry if no instance uses it.\r | |
1609 | //\r | |
779ae357 | 1610 | MnpDeviceData->GroupAddressCount--;\r |
e48e37fc | 1611 | RemoveEntryList (&GroupAddress->AddrEntry);\r |
766c7483 | 1612 | FreePool (GroupAddress);\r |
8a67d61d | 1613 | \r |
1614 | return TRUE;\r | |
1615 | }\r | |
1616 | \r | |
1617 | return FALSE;\r | |
1618 | }\r | |
1619 | \r | |
1620 | \r | |
1621 | /**\r | |
1622 | Do the group operations for this instance.\r | |
1623 | \r | |
6e4bac4d | 1624 | @param[in, out] Instance Pointer to the instance context data.\r |
779ae357 | 1625 | @param[in] JoinFlag Set to TRUE to join a group. Set to TRUE to\r |
6e4bac4d | 1626 | leave a group/groups.\r |
1627 | @param[in] MacAddress Pointer to the group address to join or leave.\r | |
779ae357 | 1628 | @param[in] CtrlBlk Pointer to the group control block if JoinFlag\r |
6e4bac4d | 1629 | is FALSE.\r |
8a67d61d | 1630 | \r |
6e4bac4d | 1631 | @retval EFI_SUCCESS The group operation finished.\r |
1632 | @retval EFI_OUT_OF_RESOURCES Failed due to lack of memory resources.\r | |
1633 | @retval Others Other errors as indicated.\r | |
8a67d61d | 1634 | \r |
1635 | **/\r | |
1636 | EFI_STATUS\r | |
1637 | MnpGroupOp (\r | |
779ae357 | 1638 | IN OUT MNP_INSTANCE_DATA *Instance,\r |
1639 | IN BOOLEAN JoinFlag,\r | |
1640 | IN EFI_MAC_ADDRESS *MacAddress OPTIONAL,\r | |
1641 | IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk OPTIONAL\r | |
8a67d61d | 1642 | )\r |
1643 | {\r | |
779ae357 | 1644 | MNP_DEVICE_DATA *MnpDeviceData;\r |
e48e37fc | 1645 | LIST_ENTRY *Entry;\r |
1646 | LIST_ENTRY *NextEntry;\r | |
8a67d61d | 1647 | MNP_GROUP_ADDRESS *GroupAddress;\r |
1648 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
1649 | MNP_GROUP_CONTROL_BLOCK *NewCtrlBlk;\r | |
1650 | EFI_STATUS Status;\r | |
1651 | BOOLEAN AddressExist;\r | |
1652 | BOOLEAN NeedUpdate;\r | |
1653 | \r | |
1654 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1655 | \r | |
779ae357 | 1656 | MnpDeviceData = Instance->MnpServiceData->MnpDeviceData;\r |
1657 | SnpMode = MnpDeviceData->Snp->Mode;\r | |
8a67d61d | 1658 | \r |
1659 | if (JoinFlag) {\r | |
1660 | //\r | |
1661 | // A new gropu address is to be added.\r | |
1662 | //\r | |
8a67d61d | 1663 | GroupAddress = NULL;\r |
1664 | AddressExist = FALSE;\r | |
1665 | \r | |
1666 | //\r | |
1667 | // Allocate memory for the control block.\r | |
1668 | //\r | |
779ae357 | 1669 | NewCtrlBlk = AllocatePool (sizeof (MNP_GROUP_CONTROL_BLOCK));\r |
8a67d61d | 1670 | if (NewCtrlBlk == NULL) {\r |
e48e37fc | 1671 | DEBUG ((EFI_D_ERROR, "MnpGroupOp: Failed to allocate memory resource.\n"));\r |
779ae357 | 1672 | \r |
8a67d61d | 1673 | return EFI_OUT_OF_RESOURCES;\r |
1674 | }\r | |
1675 | \r | |
779ae357 | 1676 | NET_LIST_FOR_EACH (Entry, &MnpDeviceData->GroupAddressList) {\r |
8a67d61d | 1677 | //\r |
1678 | // Check whether the MacAddress is already joined by other instances.\r | |
1679 | //\r | |
1680 | GroupAddress = NET_LIST_USER_STRUCT (Entry, MNP_GROUP_ADDRESS, AddrEntry);\r | |
779ae357 | 1681 | if (CompareMem (MacAddress, &GroupAddress->Address, SnpMode->HwAddressSize) == 0) {\r |
8a67d61d | 1682 | AddressExist = TRUE;\r |
1683 | break;\r | |
1684 | }\r | |
1685 | }\r | |
1686 | \r | |
1687 | if (!AddressExist) {\r | |
1688 | GroupAddress = NULL;\r | |
1689 | }\r | |
1690 | \r | |
1691 | //\r | |
1692 | // Add the GroupAddress for this instance.\r | |
1693 | //\r | |
1694 | Status = MnpGroupOpAddCtrlBlk (\r | |
1695 | Instance,\r | |
1696 | NewCtrlBlk,\r | |
1697 | GroupAddress,\r | |
1698 | MacAddress,\r | |
1699 | SnpMode->HwAddressSize\r | |
1700 | );\r | |
1701 | if (EFI_ERROR (Status)) {\r | |
8a67d61d | 1702 | return Status;\r |
1703 | }\r | |
1704 | \r | |
1705 | NeedUpdate = TRUE;\r | |
1706 | } else {\r | |
8a67d61d | 1707 | if (MacAddress != NULL) {\r |
8a67d61d | 1708 | ASSERT (CtrlBlk != NULL);\r |
1709 | \r | |
1710 | //\r | |
1711 | // Leave the specific multicast mac address.\r | |
1712 | //\r | |
1713 | NeedUpdate = MnpGroupOpDelCtrlBlk (Instance, CtrlBlk);\r | |
1714 | } else {\r | |
1715 | //\r | |
1716 | // Leave all multicast mac addresses.\r | |
1717 | //\r | |
1718 | NeedUpdate = FALSE;\r | |
1719 | \r | |
1720 | NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, &Instance->GroupCtrlBlkList) {\r | |
1721 | \r | |
1722 | NewCtrlBlk = NET_LIST_USER_STRUCT (\r | |
1723 | Entry,\r | |
1724 | MNP_GROUP_CONTROL_BLOCK,\r | |
1725 | CtrlBlkEntry\r | |
1726 | );\r | |
1727 | //\r | |
1728 | // Update is required if the group address left is no longer used\r | |
1729 | // by other instances.\r | |
1730 | //\r | |
1731 | NeedUpdate = MnpGroupOpDelCtrlBlk (Instance, NewCtrlBlk);\r | |
1732 | }\r | |
1733 | }\r | |
1734 | }\r | |
1735 | \r | |
1736 | Status = EFI_SUCCESS;\r | |
1737 | \r | |
1738 | if (NeedUpdate) {\r | |
1739 | //\r | |
1740 | // Reconfigure the receive filters if necessary.\r | |
1741 | //\r | |
779ae357 | 1742 | Status = MnpConfigReceiveFilters (MnpDeviceData);\r |
8a67d61d | 1743 | }\r |
1744 | \r | |
1745 | return Status;\r | |
1746 | }\r |