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8a67d61d | 1 | /** @file\r |
c57273b0 | 2 | Implementation of Managed Network Protocol private services.\r |
6e4bac4d | 3 | \r |
05074499 | 4 | Copyright (c) 2005 - 2016, 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 | |
05074499 FS |
212 | /**\r |
213 | Add Count of TX buffers to MnpDeviceData->AllTxBufList and MnpDeviceData->FreeTxBufList.\r | |
214 | The length of the buffer is specified by MnpDeviceData->BufferLength.\r | |
215 | \r | |
216 | @param[in, out] MnpDeviceData Pointer to the MNP_DEVICE_DATA.\r | |
217 | @param[in] Count Number of TX buffers to add.\r | |
218 | \r | |
219 | @retval EFI_SUCCESS The specified amount of TX buffers are allocated.\r | |
220 | @retval EFI_OUT_OF_RESOURCES Failed to allocate a TX buffer.\r | |
221 | \r | |
222 | **/\r | |
223 | EFI_STATUS\r | |
224 | MnpAddFreeTxBuf (\r | |
225 | IN OUT MNP_DEVICE_DATA *MnpDeviceData,\r | |
226 | IN UINTN Count\r | |
227 | )\r | |
228 | {\r | |
229 | EFI_STATUS Status;\r | |
230 | UINT32 Index;\r | |
231 | MNP_TX_BUF_WRAP *TxBufWrap;\r | |
232 | \r | |
233 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r | |
234 | ASSERT ((Count > 0) && (MnpDeviceData->BufferLength > 0));\r | |
235 | \r | |
236 | Status = EFI_SUCCESS;\r | |
237 | for (Index = 0; Index < Count; Index++) {\r | |
238 | TxBufWrap = (MNP_TX_BUF_WRAP*) AllocatePool (sizeof (MNP_TX_BUF_WRAP) + MnpDeviceData->BufferLength - 1);\r | |
239 | if (TxBufWrap == NULL) {\r | |
240 | DEBUG ((EFI_D_ERROR, "MnpAddFreeTxBuf: TxBuf Alloc failed.\n"));\r | |
241 | \r | |
242 | Status = EFI_OUT_OF_RESOURCES;\r | |
243 | break;\r | |
244 | }\r | |
245 | DEBUG ((EFI_D_INFO, "MnpAddFreeTxBuf: Add TxBufWrap %p, TxBuf %p\n", TxBufWrap, TxBufWrap->TxBuf));\r | |
246 | TxBufWrap->Signature = MNP_TX_BUF_WRAP_SIGNATURE;\r | |
247 | TxBufWrap->InUse = FALSE;\r | |
248 | InsertTailList (&MnpDeviceData->FreeTxBufList, &TxBufWrap->WrapEntry);\r | |
249 | InsertTailList (&MnpDeviceData->AllTxBufList, &TxBufWrap->AllEntry);\r | |
250 | }\r | |
251 | \r | |
252 | MnpDeviceData->TxBufCount += Index;\r | |
253 | return Status;\r | |
254 | }\r | |
255 | \r | |
256 | /**\r | |
257 | Allocate a free TX buffer from MnpDeviceData->FreeTxBufList. If there is none\r | |
258 | in the queue, first try to recycle some from SNP, then try to allocate some and add \r | |
259 | them into the queue, then fetch the NET_BUF from the updated FreeTxBufList.\r | |
260 | \r | |
261 | @param[in, out] MnpDeviceData Pointer to the MNP_DEVICE_DATA.\r | |
262 | \r | |
263 | @return Pointer to the allocated free NET_BUF structure, if NULL the\r | |
264 | operation is failed.\r | |
265 | \r | |
266 | **/\r | |
267 | UINT8 *\r | |
268 | MnpAllocTxBuf (\r | |
269 | IN OUT MNP_DEVICE_DATA *MnpDeviceData\r | |
270 | )\r | |
271 | {\r | |
272 | EFI_TPL OldTpl;\r | |
273 | UINT8 *TxBuf;\r | |
274 | EFI_STATUS Status;\r | |
275 | LIST_ENTRY *Entry;\r | |
276 | MNP_TX_BUF_WRAP *TxBufWrap;\r | |
277 | \r | |
278 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r | |
279 | \r | |
280 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
281 | \r | |
282 | if (IsListEmpty (&MnpDeviceData->FreeTxBufList)) {\r | |
283 | //\r | |
284 | // First try to recycle some TX buffer from SNP\r | |
285 | //\r | |
286 | Status = MnpRecycleTxBuf (MnpDeviceData);\r | |
287 | if (EFI_ERROR (Status)) {\r | |
288 | TxBuf = NULL;\r | |
289 | goto ON_EXIT;\r | |
290 | }\r | |
291 | \r | |
292 | //\r | |
293 | // If still no free TX buffer, allocate more.\r | |
294 | //\r | |
295 | if (IsListEmpty (&MnpDeviceData->FreeTxBufList)) {\r | |
296 | if ((MnpDeviceData->TxBufCount + MNP_TX_BUFFER_INCREASEMENT) > MNP_MAX_TX_BUFFER_NUM) {\r | |
297 | DEBUG (\r | |
298 | (EFI_D_ERROR,\r | |
299 | "MnpAllocTxBuf: The maximum TxBuf size is reached for MNP driver instance %p.\n",\r | |
300 | MnpDeviceData)\r | |
301 | );\r | |
302 | \r | |
303 | TxBuf = NULL;\r | |
304 | goto ON_EXIT;\r | |
305 | }\r | |
306 | \r | |
307 | Status = MnpAddFreeTxBuf (MnpDeviceData, MNP_TX_BUFFER_INCREASEMENT);\r | |
308 | if (IsListEmpty (&MnpDeviceData->FreeTxBufList)) {\r | |
309 | DEBUG (\r | |
310 | (EFI_D_ERROR,\r | |
311 | "MnpAllocNbuf: Failed to add TxBuf into the FreeTxBufList, %r.\n",\r | |
312 | Status)\r | |
313 | );\r | |
314 | \r | |
315 | TxBuf = NULL;\r | |
316 | goto ON_EXIT;\r | |
317 | }\r | |
318 | }\r | |
319 | }\r | |
320 | \r | |
321 | ASSERT (!IsListEmpty (&MnpDeviceData->FreeTxBufList));\r | |
322 | Entry = MnpDeviceData->FreeTxBufList.ForwardLink;\r | |
323 | RemoveEntryList (MnpDeviceData->FreeTxBufList.ForwardLink);\r | |
324 | TxBufWrap = NET_LIST_USER_STRUCT_S (Entry, MNP_TX_BUF_WRAP, WrapEntry, MNP_TX_BUF_WRAP_SIGNATURE);\r | |
325 | TxBufWrap->InUse = TRUE;\r | |
326 | TxBuf = TxBufWrap->TxBuf;\r | |
327 | \r | |
328 | ON_EXIT:\r | |
329 | gBS->RestoreTPL (OldTpl);\r | |
330 | \r | |
331 | return TxBuf;\r | |
332 | }\r | |
333 | \r | |
334 | /**\r | |
335 | Try to reclaim the TX buffer into the buffer pool.\r | |
336 | \r | |
337 | @param[in, out] MnpDeviceData Pointer to the mnp device context data.\r | |
338 | @param[in, out] TxBuf Pointer to the TX buffer to free.\r | |
339 | \r | |
340 | **/\r | |
341 | VOID\r | |
342 | MnpFreeTxBuf (\r | |
343 | IN OUT MNP_DEVICE_DATA *MnpDeviceData,\r | |
344 | IN OUT UINT8 *TxBuf\r | |
345 | )\r | |
346 | {\r | |
347 | MNP_TX_BUF_WRAP *TxBufWrap;\r | |
348 | EFI_TPL OldTpl;\r | |
349 | \r | |
350 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r | |
351 | \r | |
352 | if (TxBuf == NULL) {\r | |
353 | return;\r | |
354 | }\r | |
355 | \r | |
356 | TxBufWrap = NET_LIST_USER_STRUCT (TxBuf, MNP_TX_BUF_WRAP, TxBuf);\r | |
357 | if (TxBufWrap->Signature != MNP_TX_BUF_WRAP_SIGNATURE) {\r | |
358 | DEBUG (\r | |
359 | (EFI_D_ERROR,\r | |
360 | "MnpFreeTxBuf: Signature check failed in MnpFreeTxBuf.\n")\r | |
361 | );\r | |
362 | return;\r | |
363 | }\r | |
364 | \r | |
365 | if (!TxBufWrap->InUse) {\r | |
366 | DEBUG (\r | |
367 | (EFI_D_WARN,\r | |
368 | "MnpFreeTxBuf: Duplicated recycle report from SNP.\n")\r | |
369 | );\r | |
370 | return;\r | |
371 | }\r | |
372 | \r | |
373 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
374 | InsertTailList (&MnpDeviceData->FreeTxBufList, &TxBufWrap->WrapEntry);\r | |
375 | TxBufWrap->InUse = FALSE;\r | |
376 | gBS->RestoreTPL (OldTpl);\r | |
377 | }\r | |
378 | \r | |
379 | /**\r | |
380 | Try to recycle all the transmitted buffer address from SNP.\r | |
381 | \r | |
382 | @param[in, out] MnpDeviceData Pointer to the mnp device context data.\r | |
383 | \r | |
384 | @retval EFI_SUCCESS Successed to recyclethe transmitted buffer address.\r | |
385 | @retval Others Failed to recyclethe transmitted buffer address.\r | |
386 | \r | |
387 | **/\r | |
388 | EFI_STATUS\r | |
389 | MnpRecycleTxBuf (\r | |
390 | IN OUT MNP_DEVICE_DATA *MnpDeviceData\r | |
391 | )\r | |
392 | {\r | |
393 | UINT8 *TxBuf;\r | |
394 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
395 | EFI_STATUS Status;\r | |
396 | \r | |
397 | Snp = MnpDeviceData->Snp;\r | |
398 | ASSERT (Snp != NULL);\r | |
399 | \r | |
400 | do {\r | |
401 | TxBuf = NULL;\r | |
402 | Status = Snp->GetStatus (Snp, NULL, (VOID **) &TxBuf);\r | |
403 | if (EFI_ERROR (Status)) {\r | |
404 | return Status;\r | |
405 | }\r | |
406 | \r | |
407 | if (TxBuf != NULL) {\r | |
408 | MnpFreeTxBuf (MnpDeviceData, TxBuf);\r | |
409 | }\r | |
410 | } while (TxBuf != NULL);\r | |
411 | \r | |
412 | return EFI_SUCCESS;\r | |
413 | }\r | |
8a67d61d | 414 | \r |
415 | /**\r | |
779ae357 | 416 | Initialize the mnp device context data.\r |
8a67d61d | 417 | \r |
779ae357 | 418 | @param[in, out] MnpDeviceData Pointer to the mnp device context data.\r |
6e4bac4d | 419 | @param[in] ImageHandle The driver image handle.\r |
420 | @param[in] ControllerHandle Handle of device to bind driver to.\r | |
8a67d61d | 421 | \r |
422 | @retval EFI_SUCCESS The mnp service context is initialized.\r | |
6e4bac4d | 423 | @retval EFI_UNSUPPORTED ControllerHandle does not support Simple Network Protocol.\r |
424 | @retval Others Other errors as indicated.\r | |
8a67d61d | 425 | \r |
426 | **/\r | |
427 | EFI_STATUS\r | |
779ae357 | 428 | MnpInitializeDeviceData (\r |
429 | IN OUT MNP_DEVICE_DATA *MnpDeviceData,\r | |
430 | IN EFI_HANDLE ImageHandle,\r | |
431 | IN EFI_HANDLE ControllerHandle\r | |
8a67d61d | 432 | )\r |
433 | {\r | |
779ae357 | 434 | EFI_STATUS Status;\r |
435 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
436 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
8a67d61d | 437 | \r |
779ae357 | 438 | MnpDeviceData->Signature = MNP_DEVICE_DATA_SIGNATURE;\r |
439 | MnpDeviceData->ImageHandle = ImageHandle;\r | |
440 | MnpDeviceData->ControllerHandle = ControllerHandle;\r | |
8a67d61d | 441 | \r |
442 | //\r | |
779ae357 | 443 | // Copy the MNP Protocol interfaces from the template.\r |
8a67d61d | 444 | //\r |
779ae357 | 445 | CopyMem (&MnpDeviceData->VlanConfig, &mVlanConfigProtocolTemplate, sizeof (EFI_VLAN_CONFIG_PROTOCOL));\r |
8a67d61d | 446 | \r |
447 | //\r | |
448 | // Open the Simple Network protocol.\r | |
449 | //\r | |
450 | Status = gBS->OpenProtocol (\r | |
451 | ControllerHandle,\r | |
452 | &gEfiSimpleNetworkProtocolGuid,\r | |
453 | (VOID **) &Snp,\r | |
454 | ImageHandle,\r | |
455 | ControllerHandle,\r | |
456 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
457 | );\r | |
458 | if (EFI_ERROR (Status)) {\r | |
459 | return EFI_UNSUPPORTED;\r | |
460 | }\r | |
461 | \r | |
462 | //\r | |
463 | // Get MTU from Snp.\r | |
464 | //\r | |
779ae357 | 465 | SnpMode = Snp->Mode;\r |
466 | MnpDeviceData->Snp = Snp;\r | |
8a67d61d | 467 | \r |
468 | //\r | |
469 | // Initialize the lists.\r | |
470 | //\r | |
779ae357 | 471 | InitializeListHead (&MnpDeviceData->ServiceList);\r |
472 | InitializeListHead (&MnpDeviceData->GroupAddressList);\r | |
8a67d61d | 473 | \r |
474 | //\r | |
475 | // Get the buffer length used to allocate NET_BUF to hold data received\r | |
476 | // from SNP. Do this before fill the FreeNetBufQue.\r | |
477 | //\r | |
779ae357 | 478 | //\r |
479 | MnpDeviceData->BufferLength = SnpMode->MediaHeaderSize + NET_VLAN_TAG_LEN + SnpMode->MaxPacketSize + NET_ETHER_FCS_SIZE;\r | |
8a67d61d | 480 | \r |
772db4bb | 481 | //\r |
e48e37fc | 482 | // Make sure the protocol headers immediately following the media header\r |
779ae357 | 483 | // 4-byte aligned, and also preserve additional space for VLAN tag\r |
772db4bb | 484 | //\r |
779ae357 | 485 | MnpDeviceData->PaddingSize = ((4 - SnpMode->MediaHeaderSize) & 0x3) + NET_VLAN_TAG_LEN;\r |
486 | \r | |
487 | //\r | |
488 | // Initialize MAC string which will be used as VLAN configuration variable name\r | |
489 | //\r | |
490 | Status = NetLibGetMacString (ControllerHandle, ImageHandle, &MnpDeviceData->MacString);\r | |
491 | if (EFI_ERROR (Status)) {\r | |
492 | goto ERROR;\r | |
493 | }\r | |
772db4bb | 494 | \r |
8a67d61d | 495 | //\r |
496 | // Initialize the FreeNetBufQue and pre-allocate some NET_BUFs.\r | |
497 | //\r | |
779ae357 | 498 | NetbufQueInit (&MnpDeviceData->FreeNbufQue);\r |
499 | Status = MnpAddFreeNbuf (MnpDeviceData, MNP_INIT_NET_BUFFER_NUM);\r | |
8a67d61d | 500 | if (EFI_ERROR (Status)) {\r |
779ae357 | 501 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: MnpAddFreeNbuf failed, %r.\n", Status));\r |
8a67d61d | 502 | \r |
8a67d61d | 503 | goto ERROR;\r |
504 | }\r | |
779ae357 | 505 | \r |
8a67d61d | 506 | //\r |
507 | // Get one NET_BUF from the FreeNbufQue for rx cache.\r | |
508 | //\r | |
779ae357 | 509 | MnpDeviceData->RxNbufCache = MnpAllocNbuf (MnpDeviceData);\r |
8a67d61d | 510 | NetbufAllocSpace (\r |
779ae357 | 511 | MnpDeviceData->RxNbufCache,\r |
512 | MnpDeviceData->BufferLength,\r | |
8a67d61d | 513 | NET_BUF_TAIL\r |
514 | );\r | |
515 | \r | |
516 | //\r | |
517 | // Allocate buffer pool for tx.\r | |
518 | //\r | |
05074499 FS |
519 | InitializeListHead (&MnpDeviceData->FreeTxBufList);\r |
520 | InitializeListHead (&MnpDeviceData->AllTxBufList);\r | |
521 | MnpDeviceData->TxBufCount = 0;\r | |
8a67d61d | 522 | \r |
523 | //\r | |
524 | // Create the system poll timer.\r | |
525 | //\r | |
526 | Status = gBS->CreateEvent (\r | |
527 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
e48e37fc | 528 | TPL_CALLBACK,\r |
8a67d61d | 529 | MnpSystemPoll,\r |
779ae357 | 530 | MnpDeviceData,\r |
531 | &MnpDeviceData->PollTimer\r | |
8a67d61d | 532 | );\r |
533 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 534 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: CreateEvent for poll timer failed.\n"));\r |
8a67d61d | 535 | \r |
8a67d61d | 536 | goto ERROR;\r |
537 | }\r | |
538 | \r | |
539 | //\r | |
540 | // Create the timer for packet timeout check.\r | |
541 | //\r | |
542 | Status = gBS->CreateEvent (\r | |
543 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
e48e37fc | 544 | TPL_CALLBACK,\r |
8a67d61d | 545 | MnpCheckPacketTimeout,\r |
779ae357 | 546 | MnpDeviceData,\r |
547 | &MnpDeviceData->TimeoutCheckTimer\r | |
8a67d61d | 548 | );\r |
549 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 550 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: CreateEvent for packet timeout check failed.\n"));\r |
8a67d61d | 551 | \r |
8a67d61d | 552 | goto ERROR;\r |
553 | }\r | |
554 | \r | |
dd29f3ed | 555 | //\r |
556 | // Create the timer for media detection.\r | |
557 | //\r | |
558 | Status = gBS->CreateEvent (\r | |
559 | EVT_NOTIFY_SIGNAL | EVT_TIMER,\r | |
560 | TPL_CALLBACK,\r | |
561 | MnpCheckMediaStatus,\r | |
562 | MnpDeviceData,\r | |
563 | &MnpDeviceData->MediaDetectTimer\r | |
564 | );\r | |
565 | if (EFI_ERROR (Status)) {\r | |
566 | DEBUG ((EFI_D_ERROR, "MnpInitializeDeviceData: CreateEvent for media detection failed.\n"));\r | |
567 | \r | |
568 | goto ERROR;\r | |
569 | }\r | |
570 | \r | |
8a67d61d | 571 | ERROR:\r |
8a67d61d | 572 | if (EFI_ERROR (Status)) {\r |
573 | //\r | |
574 | // Free the dynamic allocated resources if necessary.\r | |
575 | //\r | |
779ae357 | 576 | if (MnpDeviceData->MacString != NULL) {\r |
577 | FreePool (MnpDeviceData->MacString);\r | |
8a67d61d | 578 | }\r |
579 | \r | |
779ae357 | 580 | if (MnpDeviceData->TimeoutCheckTimer != NULL) {\r |
581 | gBS->CloseEvent (MnpDeviceData->TimeoutCheckTimer);\r | |
8a67d61d | 582 | }\r |
583 | \r | |
dd29f3ed | 584 | if (MnpDeviceData->MediaDetectTimer != NULL) {\r |
585 | gBS->CloseEvent (MnpDeviceData->MediaDetectTimer);\r | |
586 | }\r | |
587 | \r | |
779ae357 | 588 | if (MnpDeviceData->PollTimer != NULL) {\r |
589 | gBS->CloseEvent (MnpDeviceData->PollTimer);\r | |
8a67d61d | 590 | }\r |
591 | \r | |
779ae357 | 592 | if (MnpDeviceData->RxNbufCache != NULL) {\r |
593 | MnpFreeNbuf (MnpDeviceData, MnpDeviceData->RxNbufCache);\r | |
594 | }\r | |
8a67d61d | 595 | \r |
779ae357 | 596 | if (MnpDeviceData->FreeNbufQue.BufNum != 0) {\r |
597 | NetbufQueFlush (&MnpDeviceData->FreeNbufQue);\r | |
8a67d61d | 598 | }\r |
779ae357 | 599 | \r |
600 | //\r | |
601 | // Close the Simple Network Protocol.\r | |
602 | //\r | |
603 | gBS->CloseProtocol (\r | |
604 | ControllerHandle,\r | |
605 | &gEfiSimpleNetworkProtocolGuid,\r | |
606 | ImageHandle,\r | |
607 | ControllerHandle\r | |
608 | );\r | |
8a67d61d | 609 | }\r |
610 | \r | |
611 | return Status;\r | |
612 | }\r | |
613 | \r | |
614 | \r | |
615 | /**\r | |
779ae357 | 616 | Destroy the MNP device context data.\r |
8a67d61d | 617 | \r |
779ae357 | 618 | @param[in, out] MnpDeviceData Pointer to the mnp device context data.\r |
619 | @param[in] ImageHandle The driver image handle.\r | |
6e4bac4d | 620 | \r |
8a67d61d | 621 | **/\r |
622 | VOID\r | |
779ae357 | 623 | MnpDestroyDeviceData (\r |
624 | IN OUT MNP_DEVICE_DATA *MnpDeviceData,\r | |
625 | IN EFI_HANDLE ImageHandle\r | |
8a67d61d | 626 | )\r |
627 | {\r | |
05074499 FS |
628 | LIST_ENTRY *Entry;\r |
629 | LIST_ENTRY *NextEntry;\r | |
630 | MNP_TX_BUF_WRAP *TxBufWrap;\r | |
631 | \r | |
779ae357 | 632 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r |
633 | \r | |
634 | //\r | |
635 | // Free Vlan Config variable name string\r | |
636 | //\r | |
637 | if (MnpDeviceData->MacString != NULL) {\r | |
638 | FreePool (MnpDeviceData->MacString);\r | |
639 | }\r | |
8a67d61d | 640 | \r |
641 | //\r | |
642 | // The GroupAddressList must be empty.\r | |
643 | //\r | |
779ae357 | 644 | ASSERT (IsListEmpty (&MnpDeviceData->GroupAddressList));\r |
8a67d61d | 645 | \r |
646 | //\r | |
647 | // Close the event.\r | |
648 | //\r | |
dd29f3ed | 649 | gBS->CloseEvent (MnpDeviceData->TimeoutCheckTimer);\r |
650 | gBS->CloseEvent (MnpDeviceData->MediaDetectTimer);\r | |
651 | gBS->CloseEvent (MnpDeviceData->PollTimer);\r | |
8a67d61d | 652 | \r |
653 | //\r | |
05074499 | 654 | // Free the Tx buffer pool.\r |
8a67d61d | 655 | //\r |
05074499 FS |
656 | NET_LIST_FOR_EACH_SAFE(Entry, NextEntry, &MnpDeviceData->AllTxBufList) {\r |
657 | TxBufWrap = NET_LIST_USER_STRUCT (Entry, MNP_TX_BUF_WRAP, AllEntry);\r | |
658 | RemoveEntryList (Entry);\r | |
659 | FreePool (TxBufWrap);\r | |
660 | MnpDeviceData->TxBufCount--;\r | |
661 | }\r | |
662 | ASSERT (IsListEmpty (&MnpDeviceData->AllTxBufList));\r | |
663 | ASSERT (MnpDeviceData->TxBufCount == 0);\r | |
8a67d61d | 664 | \r |
665 | //\r | |
666 | // Free the RxNbufCache.\r | |
667 | //\r | |
779ae357 | 668 | MnpFreeNbuf (MnpDeviceData, MnpDeviceData->RxNbufCache);\r |
8a67d61d | 669 | \r |
670 | //\r | |
671 | // Flush the FreeNbufQue.\r | |
672 | //\r | |
779ae357 | 673 | MnpDeviceData->NbufCnt -= MnpDeviceData->FreeNbufQue.BufNum;\r |
674 | NetbufQueFlush (&MnpDeviceData->FreeNbufQue);\r | |
8a67d61d | 675 | \r |
779ae357 | 676 | //\r |
677 | // Close the Simple Network Protocol.\r | |
678 | //\r | |
679 | gBS->CloseProtocol (\r | |
680 | MnpDeviceData->ControllerHandle,\r | |
681 | &gEfiSimpleNetworkProtocolGuid,\r | |
682 | ImageHandle,\r | |
683 | MnpDeviceData->ControllerHandle\r | |
684 | );\r | |
685 | }\r | |
686 | \r | |
687 | \r | |
688 | /**\r | |
689 | Create mnp service context data.\r | |
690 | \r | |
691 | @param[in] MnpDeviceData Pointer to the mnp device context data.\r | |
692 | @param[in] VlanId The VLAN ID.\r | |
693 | @param[in] Priority The VLAN priority. If VlanId is 0,\r | |
694 | Priority is ignored.\r | |
695 | \r | |
696 | @return A pointer to MNP_SERVICE_DATA or NULL if failed to create MNP service context.\r | |
8a67d61d | 697 | \r |
779ae357 | 698 | **/\r |
699 | MNP_SERVICE_DATA *\r | |
700 | MnpCreateServiceData (\r | |
701 | IN MNP_DEVICE_DATA *MnpDeviceData,\r | |
702 | IN UINT16 VlanId,\r | |
703 | IN UINT8 Priority OPTIONAL\r | |
704 | )\r | |
705 | {\r | |
706 | EFI_HANDLE MnpServiceHandle;\r | |
707 | MNP_SERVICE_DATA *MnpServiceData;\r | |
708 | EFI_STATUS Status;\r | |
709 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
710 | EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;\r | |
8a67d61d | 711 | \r |
779ae357 | 712 | //\r |
713 | // Initialize the Mnp Service Data.\r | |
714 | //\r | |
715 | MnpServiceData = AllocateZeroPool (sizeof (MNP_SERVICE_DATA));\r | |
716 | if (MnpServiceData == NULL) {\r | |
717 | DEBUG ((EFI_D_ERROR, "MnpCreateServiceData: Faild to allocate memory for the new Mnp Service Data.\n"));\r | |
718 | \r | |
719 | return NULL;\r | |
8a67d61d | 720 | }\r |
e21ef3a2 | 721 | \r |
722 | //\r | |
779ae357 | 723 | // Add to MNP service list\r |
e21ef3a2 | 724 | //\r |
779ae357 | 725 | InsertTailList (&MnpDeviceData->ServiceList, &MnpServiceData->Link);\r |
726 | \r | |
727 | MnpServiceData->Signature = MNP_SERVICE_DATA_SIGNATURE;\r | |
728 | MnpServiceData->MnpDeviceData = MnpDeviceData;\r | |
729 | \r | |
730 | //\r | |
731 | // Copy the ServiceBinding structure.\r | |
732 | //\r | |
733 | CopyMem (&MnpServiceData->ServiceBinding, &mMnpServiceBindingProtocol, sizeof (EFI_SERVICE_BINDING_PROTOCOL));\r | |
734 | \r | |
735 | //\r | |
736 | // Initialize the lists.\r | |
737 | //\r | |
738 | InitializeListHead (&MnpServiceData->ChildrenList);\r | |
739 | \r | |
740 | SnpMode = MnpDeviceData->Snp->Mode;\r | |
741 | if (VlanId != 0) {\r | |
742 | //\r | |
743 | // Create VLAN child handle\r | |
744 | //\r | |
745 | MnpServiceHandle = MnpCreateVlanChild (\r | |
746 | MnpDeviceData->ImageHandle,\r | |
747 | MnpDeviceData->ControllerHandle,\r | |
748 | VlanId,\r | |
749 | &MnpServiceData->DevicePath\r | |
750 | );\r | |
751 | if (MnpServiceHandle == NULL) {\r | |
752 | DEBUG ((EFI_D_ERROR, "MnpCreateServiceData: Faild to create child handle.\n"));\r | |
753 | \r | |
754 | return NULL;\r | |
755 | }\r | |
756 | \r | |
757 | //\r | |
758 | // Open VLAN Config Protocol by child\r | |
759 | //\r | |
760 | Status = gBS->OpenProtocol (\r | |
761 | MnpDeviceData->ControllerHandle,\r | |
762 | &gEfiVlanConfigProtocolGuid,\r | |
763 | (VOID **) &VlanConfig,\r | |
764 | MnpDeviceData->ImageHandle,\r | |
765 | MnpServiceHandle,\r | |
766 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
767 | );\r | |
768 | if (EFI_ERROR (Status)) {\r | |
769 | goto Exit;\r | |
770 | }\r | |
771 | \r | |
772 | //\r | |
773 | // Reduce MTU for VLAN device\r | |
774 | //\r | |
775 | MnpServiceData->Mtu = SnpMode->MaxPacketSize - NET_VLAN_TAG_LEN;\r | |
776 | } else {\r | |
777 | //\r | |
778 | // VlanId set to 0 means rx/tx untagged frame\r | |
779 | //\r | |
780 | MnpServiceHandle = MnpDeviceData->ControllerHandle;\r | |
781 | MnpServiceData->Mtu = SnpMode->MaxPacketSize;\r | |
782 | }\r | |
783 | \r | |
784 | MnpServiceData->ServiceHandle = MnpServiceHandle;\r | |
785 | MnpServiceData->VlanId = VlanId;\r | |
786 | MnpServiceData->Priority = Priority;\r | |
787 | \r | |
788 | //\r | |
789 | // Install the MNP Service Binding Protocol\r | |
790 | //\r | |
791 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
792 | &MnpServiceHandle,\r | |
793 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
794 | &MnpServiceData->ServiceBinding,\r | |
795 | NULL\r | |
796 | );\r | |
797 | \r | |
798 | Exit:\r | |
799 | if (EFI_ERROR (Status)) {\r | |
800 | MnpDestroyServiceData (MnpServiceData);\r | |
801 | MnpServiceData = NULL;\r | |
802 | }\r | |
803 | \r | |
804 | return MnpServiceData;\r | |
805 | }\r | |
806 | \r | |
807 | /**\r | |
808 | Destroy the MNP service context data.\r | |
809 | \r | |
810 | @param[in, out] MnpServiceData Pointer to the mnp service context data.\r | |
811 | \r | |
812 | @retval EFI_SUCCESS The mnp service context is destroyed.\r | |
813 | @retval Others Errors as indicated.\r | |
814 | \r | |
815 | **/\r | |
816 | EFI_STATUS\r | |
817 | MnpDestroyServiceData (\r | |
818 | IN OUT MNP_SERVICE_DATA *MnpServiceData\r | |
819 | )\r | |
820 | {\r | |
821 | EFI_STATUS Status;\r | |
822 | \r | |
823 | //\r | |
824 | // Uninstall the MNP Service Binding Protocol\r | |
825 | //\r | |
826 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
827 | MnpServiceData->ServiceHandle,\r | |
828 | &gEfiManagedNetworkServiceBindingProtocolGuid,\r | |
829 | &MnpServiceData->ServiceBinding,\r | |
830 | NULL\r | |
831 | );\r | |
832 | if (EFI_ERROR (Status)) {\r | |
833 | return Status;\r | |
834 | }\r | |
835 | \r | |
836 | if (MnpServiceData->VlanId != 0) {\r | |
837 | //\r | |
838 | // Close VlanConfig Protocol opened by VLAN child handle\r | |
839 | //\r | |
840 | Status = gBS->CloseProtocol (\r | |
841 | MnpServiceData->MnpDeviceData->ControllerHandle,\r | |
842 | &gEfiVlanConfigProtocolGuid,\r | |
843 | MnpServiceData->MnpDeviceData->ImageHandle,\r | |
844 | MnpServiceData->ServiceHandle\r | |
845 | );\r | |
846 | if (EFI_ERROR (Status)) {\r | |
847 | return Status;\r | |
848 | }\r | |
849 | \r | |
850 | //\r | |
851 | // Uninstall Device Path Protocol to destroy the VLAN child handle\r | |
852 | //\r | |
853 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
854 | MnpServiceData->ServiceHandle,\r | |
855 | &gEfiDevicePathProtocolGuid,\r | |
856 | MnpServiceData->DevicePath,\r | |
857 | NULL\r | |
858 | );\r | |
859 | if (EFI_ERROR (Status)) {\r | |
860 | return Status;\r | |
861 | }\r | |
862 | \r | |
863 | if (MnpServiceData->DevicePath != NULL) {\r | |
864 | FreePool (MnpServiceData->DevicePath);\r | |
865 | }\r | |
866 | }\r | |
867 | \r | |
868 | //\r | |
869 | // Remove from MnpDeviceData service list\r | |
870 | //\r | |
871 | RemoveEntryList (&MnpServiceData->Link);\r | |
872 | \r | |
873 | FreePool (MnpServiceData);\r | |
874 | \r | |
875 | return Status;\r | |
8a67d61d | 876 | }\r |
877 | \r | |
216f7970 | 878 | /**\r |
879 | Callback function which provided by user to remove one node in NetDestroyLinkList process.\r | |
880 | \r | |
881 | @param[in] Entry The entry to be removed.\r | |
882 | @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r | |
883 | \r | |
884 | @retval EFI_SUCCESS The entry has been removed successfully.\r | |
885 | @retval Others Fail to remove the entry.\r | |
886 | \r | |
887 | **/\r | |
888 | EFI_STATUS\r | |
1f7eb561 | 889 | EFIAPI\r |
216f7970 | 890 | MnpDestoryChildEntry (\r |
891 | IN LIST_ENTRY *Entry,\r | |
892 | IN VOID *Context\r | |
1f7eb561 | 893 | )\r |
216f7970 | 894 | {\r |
895 | MNP_INSTANCE_DATA *Instance;\r | |
896 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
897 | \r | |
898 | ServiceBinding = (EFI_SERVICE_BINDING_PROTOCOL *) Context;\r | |
899 | Instance = CR (Entry, MNP_INSTANCE_DATA, InstEntry, MNP_INSTANCE_DATA_SIGNATURE);\r | |
900 | return ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r | |
901 | }\r | |
902 | \r | |
779ae357 | 903 | /**\r |
904 | Destroy all child of the MNP service data.\r | |
905 | \r | |
906 | @param[in, out] MnpServiceData Pointer to the mnp service context data.\r | |
907 | \r | |
908 | @retval EFI_SUCCESS All child are destroyed.\r | |
909 | @retval Others Failed to destroy all child.\r | |
910 | \r | |
911 | **/\r | |
912 | EFI_STATUS\r | |
913 | MnpDestroyServiceChild (\r | |
914 | IN OUT MNP_SERVICE_DATA *MnpServiceData\r | |
915 | )\r | |
916 | {\r | |
216f7970 | 917 | LIST_ENTRY *List;\r |
918 | EFI_STATUS Status;\r | |
919 | UINTN ListLength;\r | |
920 | \r | |
921 | List = &MnpServiceData->ChildrenList;\r | |
922 | \r | |
923 | Status = NetDestroyLinkList (\r | |
924 | List,\r | |
925 | MnpDestoryChildEntry,\r | |
926 | &MnpServiceData->ServiceBinding,\r | |
927 | &ListLength\r | |
928 | );\r | |
929 | if (EFI_ERROR (Status) || ListLength != 0) {\r | |
930 | return EFI_DEVICE_ERROR;\r | |
779ae357 | 931 | }\r |
932 | \r | |
933 | return EFI_SUCCESS;\r | |
934 | }\r | |
935 | \r | |
936 | /**\r | |
937 | Find the MNP Service Data for given VLAN ID.\r | |
938 | \r | |
939 | @param[in] MnpDeviceData Pointer to the mnp device context data.\r | |
940 | @param[in] VlanId The VLAN ID.\r | |
941 | \r | |
942 | @return A pointer to MNP_SERVICE_DATA or NULL if not found.\r | |
943 | \r | |
944 | **/\r | |
945 | MNP_SERVICE_DATA *\r | |
946 | MnpFindServiceData (\r | |
947 | IN MNP_DEVICE_DATA *MnpDeviceData,\r | |
948 | IN UINT16 VlanId\r | |
949 | )\r | |
950 | {\r | |
951 | LIST_ENTRY *Entry;\r | |
952 | MNP_SERVICE_DATA *MnpServiceData;\r | |
953 | \r | |
954 | NET_LIST_FOR_EACH (Entry, &MnpDeviceData->ServiceList) {\r | |
955 | //\r | |
956 | // Check VLAN ID of each Mnp Service Data\r | |
957 | //\r | |
958 | MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);\r | |
959 | if (MnpServiceData->VlanId == VlanId) {\r | |
960 | return MnpServiceData;\r | |
961 | }\r | |
962 | }\r | |
963 | \r | |
964 | return NULL;\r | |
965 | }\r | |
8a67d61d | 966 | \r |
967 | /**\r | |
968 | Initialize the mnp instance context data.\r | |
969 | \r | |
6e4bac4d | 970 | @param[in] MnpServiceData Pointer to the mnp service context data.\r |
779ae357 | 971 | @param[in, out] Instance Pointer to the mnp instance context data\r |
6e4bac4d | 972 | to initialize.\r |
8a67d61d | 973 | \r |
8a67d61d | 974 | **/\r |
975 | VOID\r | |
976 | MnpInitializeInstanceData (\r | |
779ae357 | 977 | IN MNP_SERVICE_DATA *MnpServiceData,\r |
978 | IN OUT MNP_INSTANCE_DATA *Instance\r | |
8a67d61d | 979 | )\r |
980 | {\r | |
981 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
982 | ASSERT (Instance != NULL);\r | |
983 | \r | |
984 | //\r | |
985 | // Set the signature.\r | |
986 | //\r | |
987 | Instance->Signature = MNP_INSTANCE_DATA_SIGNATURE;\r | |
988 | \r | |
989 | //\r | |
990 | // Copy the MNP Protocol interfaces from the template.\r | |
991 | //\r | |
687a2e5f | 992 | CopyMem (&Instance->ManagedNetwork, &mMnpProtocolTemplate, sizeof (Instance->ManagedNetwork));\r |
8a67d61d | 993 | \r |
994 | //\r | |
995 | // Copy the default config data.\r | |
996 | //\r | |
687a2e5f | 997 | CopyMem (&Instance->ConfigData, &mMnpDefaultConfigData, sizeof (Instance->ConfigData));\r |
8a67d61d | 998 | \r |
999 | //\r | |
1000 | // Initialize the lists.\r | |
1001 | //\r | |
e48e37fc | 1002 | InitializeListHead (&Instance->GroupCtrlBlkList);\r |
1003 | InitializeListHead (&Instance->RcvdPacketQueue);\r | |
1004 | InitializeListHead (&Instance->RxDeliveredPacketQueue);\r | |
8a67d61d | 1005 | \r |
1006 | //\r | |
1007 | // Initialize the RxToken Map.\r | |
1008 | //\r | |
1009 | NetMapInit (&Instance->RxTokenMap);\r | |
1010 | \r | |
1011 | //\r | |
1012 | // Save the MnpServiceData info.\r | |
1013 | //\r | |
1014 | Instance->MnpServiceData = MnpServiceData;\r | |
1015 | }\r | |
1016 | \r | |
1017 | \r | |
1018 | /**\r | |
6e4bac4d | 1019 | Check whether the token specified by Arg matches the token in Item.\r |
8a67d61d | 1020 | \r |
3e8c18da | 1021 | @param[in] Map Pointer to the NET_MAP.\r |
6e4bac4d | 1022 | @param[in] Item Pointer to the NET_MAP_ITEM.\r |
3e8c18da | 1023 | @param[in] Arg Pointer to the Arg, it's a pointer to the token to\r |
8a67d61d | 1024 | check.\r |
1025 | \r | |
1026 | @retval EFI_SUCCESS The token specified by Arg is different from the\r | |
1027 | token in Item.\r | |
1028 | @retval EFI_ACCESS_DENIED The token specified by Arg is the same as that in\r | |
1029 | Item.\r | |
1030 | \r | |
1031 | **/\r | |
1032 | EFI_STATUS\r | |
e798cd87 | 1033 | EFIAPI\r |
8a67d61d | 1034 | MnpTokenExist (\r |
779ae357 | 1035 | IN NET_MAP *Map,\r |
1036 | IN NET_MAP_ITEM *Item,\r | |
1037 | IN VOID *Arg\r | |
8a67d61d | 1038 | )\r |
1039 | {\r | |
1040 | EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token;\r | |
1041 | EFI_MANAGED_NETWORK_COMPLETION_TOKEN *TokenInItem;\r | |
1042 | \r | |
1043 | Token = (EFI_MANAGED_NETWORK_COMPLETION_TOKEN *) Arg;\r | |
1044 | TokenInItem = (EFI_MANAGED_NETWORK_COMPLETION_TOKEN *) Item->Key;\r | |
1045 | \r | |
1046 | if ((Token == TokenInItem) || (Token->Event == TokenInItem->Event)) {\r | |
1047 | //\r | |
1048 | // The token is the same either the two tokens equals or the Events in\r | |
1049 | // the two tokens are the same.\r | |
1050 | //\r | |
1051 | return EFI_ACCESS_DENIED;\r | |
1052 | }\r | |
1053 | \r | |
1054 | return EFI_SUCCESS;\r | |
1055 | }\r | |
1056 | \r | |
8a67d61d | 1057 | /**\r |
1058 | Cancel the token specified by Arg if it matches the token in Item.\r | |
1059 | \r | |
6e4bac4d | 1060 | @param[in, out] Map Pointer to the NET_MAP.\r |
1061 | @param[in, out] Item Pointer to the NET_MAP_ITEM.\r | |
779ae357 | 1062 | @param[in] Arg Pointer to the Arg, it's a pointer to the\r |
6e4bac4d | 1063 | token to cancel.\r |
8a67d61d | 1064 | \r |
779ae357 | 1065 | @retval EFI_SUCCESS The Arg is NULL, and the token in Item is cancelled,\r |
c57273b0 | 1066 | or the Arg isn't NULL, and the token in Item is\r |
1067 | different from the Arg.\r | |
1068 | @retval EFI_ABORTED The Arg isn't NULL, the token in Item mathces the\r | |
1069 | Arg, and the token is cancelled.\r | |
8a67d61d | 1070 | \r |
1071 | **/\r | |
1072 | EFI_STATUS\r | |
e798cd87 | 1073 | EFIAPI\r |
8a67d61d | 1074 | MnpCancelTokens (\r |
779ae357 | 1075 | IN OUT NET_MAP *Map,\r |
1076 | IN OUT NET_MAP_ITEM *Item,\r | |
1077 | IN VOID *Arg\r | |
8a67d61d | 1078 | )\r |
1079 | {\r | |
1080 | EFI_MANAGED_NETWORK_COMPLETION_TOKEN *TokenToCancel;\r | |
1081 | \r | |
1082 | if ((Arg != NULL) && (Item->Key != Arg)) {\r | |
1083 | //\r | |
1084 | // The token in Item is not the token specified by Arg.\r | |
1085 | //\r | |
1086 | return EFI_SUCCESS;\r | |
1087 | }\r | |
1088 | \r | |
779ae357 | 1089 | TokenToCancel = (EFI_MANAGED_NETWORK_COMPLETION_TOKEN *) Item->Key;\r |
8a67d61d | 1090 | \r |
1091 | //\r | |
36ee91ca | 1092 | // Remove the item from the map.\r |
8a67d61d | 1093 | //\r |
36ee91ca | 1094 | NetMapRemoveItem (Map, Item, NULL);\r |
8a67d61d | 1095 | \r |
1096 | //\r | |
36ee91ca | 1097 | // Cancel this token with status set to EFI_ABORTED.\r |
8a67d61d | 1098 | //\r |
36ee91ca | 1099 | TokenToCancel->Status = EFI_ABORTED;\r |
1100 | gBS->SignalEvent (TokenToCancel->Event);\r | |
8a67d61d | 1101 | \r |
1102 | if (Arg != NULL) {\r | |
1103 | //\r | |
1104 | // Only abort the token specified by Arg if Arg isn't NULL.\r | |
1105 | //\r | |
1106 | return EFI_ABORTED;\r | |
1107 | }\r | |
1108 | \r | |
1109 | return EFI_SUCCESS;\r | |
1110 | }\r | |
1111 | \r | |
1112 | \r | |
1113 | /**\r | |
1114 | Start and initialize the simple network.\r | |
1115 | \r | |
3e8c18da | 1116 | @param[in] Snp Pointer to the simple network protocol.\r |
8a67d61d | 1117 | \r |
1118 | @retval EFI_SUCCESS The simple network protocol is started.\r | |
6e4bac4d | 1119 | @retval Others Other errors as indicated.\r |
8a67d61d | 1120 | \r |
1121 | **/\r | |
8a67d61d | 1122 | EFI_STATUS\r |
1123 | MnpStartSnp (\r | |
779ae357 | 1124 | IN EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r |
8a67d61d | 1125 | )\r |
1126 | {\r | |
1127 | EFI_STATUS Status;\r | |
1128 | \r | |
1129 | ASSERT (Snp != NULL);\r | |
1130 | \r | |
1131 | //\r | |
1132 | // Start the simple network.\r | |
1133 | //\r | |
1134 | Status = Snp->Start (Snp);\r | |
1135 | \r | |
1136 | if (!EFI_ERROR (Status)) {\r | |
1137 | //\r | |
1138 | // Initialize the simple network.\r | |
1139 | //\r | |
779ae357 | 1140 | Status = Snp->Initialize (Snp, 0, 0);\r |
8a67d61d | 1141 | }\r |
1142 | \r | |
1143 | return Status;\r | |
1144 | }\r | |
1145 | \r | |
1146 | \r | |
1147 | /**\r | |
1148 | Stop the simple network.\r | |
1149 | \r | |
05074499 | 1150 | @param[in] MnpDeviceData Pointer to the MNP_DEVICE_DATA.\r |
8a67d61d | 1151 | \r |
1152 | @retval EFI_SUCCESS The simple network is stopped.\r | |
6e4bac4d | 1153 | @retval Others Other errors as indicated.\r |
8a67d61d | 1154 | \r |
1155 | **/\r | |
8a67d61d | 1156 | EFI_STATUS\r |
1157 | MnpStopSnp (\r | |
05074499 | 1158 | IN MNP_DEVICE_DATA *MnpDeviceData\r |
8a67d61d | 1159 | )\r |
1160 | {\r | |
1161 | EFI_STATUS Status;\r | |
05074499 FS |
1162 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r |
1163 | \r | |
1164 | Snp = MnpDeviceData->Snp;\r | |
8a67d61d | 1165 | ASSERT (Snp != NULL);\r |
1166 | \r | |
05074499 FS |
1167 | //\r |
1168 | // Recycle all the transmit buffer from SNP.\r | |
1169 | //\r | |
1170 | Status = MnpRecycleTxBuf (MnpDeviceData);\r | |
1171 | if (EFI_ERROR (Status)) {\r | |
1172 | return Status;\r | |
1173 | }\r | |
1174 | \r | |
8a67d61d | 1175 | //\r |
1176 | // Shut down the simple network.\r | |
1177 | //\r | |
779ae357 | 1178 | Status = Snp->Shutdown (Snp);\r |
8a67d61d | 1179 | if (!EFI_ERROR (Status)) {\r |
1180 | //\r | |
1181 | // Stop the simple network.\r | |
1182 | //\r | |
1183 | Status = Snp->Stop (Snp);\r | |
1184 | }\r | |
1185 | \r | |
1186 | return Status;\r | |
1187 | }\r | |
1188 | \r | |
1189 | \r | |
1190 | /**\r | |
1191 | Start the managed network, this function is called when one instance is configured\r | |
1192 | or reconfigured.\r | |
1193 | \r | |
6e4bac4d | 1194 | @param[in, out] MnpServiceData Pointer to the mnp service context data.\r |
1195 | @param[in] IsConfigUpdate The instance is reconfigured or it's the first\r | |
1196 | time the instanced is configured.\r | |
1197 | @param[in] EnableSystemPoll Enable the system polling or not.\r | |
8a67d61d | 1198 | \r |
6e4bac4d | 1199 | @retval EFI_SUCCESS The managed network is started and some\r |
1200 | configuration is updated.\r | |
1201 | @retval Others Other errors as indicated.\r | |
8a67d61d | 1202 | \r |
1203 | **/\r | |
8a67d61d | 1204 | EFI_STATUS\r |
1205 | MnpStart (\r | |
779ae357 | 1206 | IN OUT MNP_SERVICE_DATA *MnpServiceData,\r |
1207 | IN BOOLEAN IsConfigUpdate,\r | |
1208 | IN BOOLEAN EnableSystemPoll\r | |
8a67d61d | 1209 | )\r |
1210 | {\r | |
1211 | EFI_STATUS Status;\r | |
1212 | EFI_TIMER_DELAY TimerOpType;\r | |
779ae357 | 1213 | MNP_DEVICE_DATA *MnpDeviceData;\r |
8a67d61d | 1214 | \r |
1215 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
1216 | \r | |
779ae357 | 1217 | Status = EFI_SUCCESS;\r |
1218 | MnpDeviceData = MnpServiceData->MnpDeviceData;\r | |
8a67d61d | 1219 | \r |
1220 | if (!IsConfigUpdate) {\r | |
1221 | //\r | |
1222 | // If it's not a configuration update, increase the configured children number.\r | |
1223 | //\r | |
779ae357 | 1224 | MnpDeviceData->ConfiguredChildrenNumber++;\r |
8a67d61d | 1225 | \r |
779ae357 | 1226 | if (MnpDeviceData->ConfiguredChildrenNumber == 1) {\r |
8a67d61d | 1227 | //\r |
1228 | // It's the first configured child, start the simple network.\r | |
1229 | //\r | |
779ae357 | 1230 | Status = MnpStartSnp (MnpDeviceData->Snp);\r |
8a67d61d | 1231 | if (EFI_ERROR (Status)) {\r |
e48e37fc | 1232 | DEBUG ((EFI_D_ERROR, "MnpStart: MnpStartSnp failed, %r.\n", Status));\r |
779ae357 | 1233 | \r |
8a67d61d | 1234 | goto ErrorExit;\r |
1235 | }\r | |
1236 | \r | |
1237 | //\r | |
1238 | // Start the timeout timer.\r | |
1239 | //\r | |
1240 | Status = gBS->SetTimer (\r | |
779ae357 | 1241 | MnpDeviceData->TimeoutCheckTimer,\r |
8a67d61d | 1242 | TimerPeriodic,\r |
1243 | MNP_TIMEOUT_CHECK_INTERVAL\r | |
1244 | );\r | |
1245 | if (EFI_ERROR (Status)) {\r | |
e48e37fc | 1246 | DEBUG (\r |
1247 | (EFI_D_ERROR,\r | |
1248 | "MnpStart, gBS->SetTimer for TimeoutCheckTimer %r.\n",\r | |
8a67d61d | 1249 | Status)\r |
1250 | );\r | |
779ae357 | 1251 | \r |
8a67d61d | 1252 | goto ErrorExit;\r |
1253 | }\r | |
dd29f3ed | 1254 | \r |
1255 | //\r | |
1256 | // Start the media detection timer.\r | |
1257 | //\r | |
1258 | Status = gBS->SetTimer (\r | |
1259 | MnpDeviceData->MediaDetectTimer,\r | |
1260 | TimerPeriodic,\r | |
1261 | MNP_MEDIA_DETECT_INTERVAL\r | |
1262 | );\r | |
1263 | if (EFI_ERROR (Status)) {\r | |
1264 | DEBUG (\r | |
1265 | (EFI_D_ERROR,\r | |
1266 | "MnpStart, gBS->SetTimer for MediaDetectTimer %r.\n",\r | |
1267 | Status)\r | |
1268 | );\r | |
1269 | \r | |
1270 | goto ErrorExit;\r | |
1271 | }\r | |
8a67d61d | 1272 | }\r |
1273 | }\r | |
1274 | \r | |
779ae357 | 1275 | if (MnpDeviceData->EnableSystemPoll ^ EnableSystemPoll) {\r |
8a67d61d | 1276 | //\r |
1277 | // The EnableSystemPoll differs with the current state, disable or enable\r | |
1278 | // the system poll.\r | |
1279 | //\r | |
1280 | TimerOpType = EnableSystemPoll ? TimerPeriodic : TimerCancel;\r | |
1281 | \r | |
779ae357 | 1282 | Status = gBS->SetTimer (MnpDeviceData->PollTimer, TimerOpType, MNP_SYS_POLL_INTERVAL);\r |
8a67d61d | 1283 | if (EFI_ERROR (Status)) {\r |
e48e37fc | 1284 | DEBUG ((EFI_D_ERROR, "MnpStart: gBS->SetTimer for PollTimer failed, %r.\n", Status));\r |
779ae357 | 1285 | \r |
8a67d61d | 1286 | goto ErrorExit;\r |
1287 | }\r | |
1288 | \r | |
779ae357 | 1289 | MnpDeviceData->EnableSystemPoll = EnableSystemPoll;\r |
8a67d61d | 1290 | }\r |
1291 | \r | |
1292 | //\r | |
1293 | // Change the receive filters if need.\r | |
1294 | //\r | |
779ae357 | 1295 | Status = MnpConfigReceiveFilters (MnpDeviceData);\r |
8a67d61d | 1296 | \r |
1297 | ErrorExit:\r | |
8a67d61d | 1298 | return Status;\r |
1299 | }\r | |
1300 | \r | |
1301 | \r | |
1302 | /**\r | |
1303 | Stop the managed network.\r | |
1304 | \r | |
6e4bac4d | 1305 | @param[in, out] MnpServiceData Pointer to the mnp service context data.\r |
8a67d61d | 1306 | \r |
6e4bac4d | 1307 | @retval EFI_SUCCESS The managed network is stopped.\r |
1308 | @retval Others Other errors as indicated.\r | |
8a67d61d | 1309 | \r |
1310 | **/\r | |
8a67d61d | 1311 | EFI_STATUS\r |
1312 | MnpStop (\r | |
779ae357 | 1313 | IN OUT MNP_SERVICE_DATA *MnpServiceData\r |
8a67d61d | 1314 | )\r |
1315 | {\r | |
779ae357 | 1316 | EFI_STATUS Status;\r |
1317 | MNP_DEVICE_DATA *MnpDeviceData;\r | |
8a67d61d | 1318 | \r |
1319 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
779ae357 | 1320 | MnpDeviceData = MnpServiceData->MnpDeviceData;\r |
1321 | ASSERT (MnpDeviceData->ConfiguredChildrenNumber > 0);\r | |
8a67d61d | 1322 | \r |
1323 | //\r | |
1324 | // Configure the receive filters.\r | |
1325 | //\r | |
779ae357 | 1326 | MnpConfigReceiveFilters (MnpDeviceData);\r |
8a67d61d | 1327 | \r |
1328 | //\r | |
1329 | // Decrease the children number.\r | |
1330 | //\r | |
779ae357 | 1331 | MnpDeviceData->ConfiguredChildrenNumber--;\r |
8a67d61d | 1332 | \r |
779ae357 | 1333 | if (MnpDeviceData->ConfiguredChildrenNumber > 0) {\r |
8a67d61d | 1334 | //\r |
1335 | // If there are other configured chilren, return and keep the timers and\r | |
1336 | // simple network unchanged.\r | |
1337 | //\r | |
1338 | return EFI_SUCCESS;\r | |
1339 | }\r | |
1340 | \r | |
1341 | //\r | |
1342 | // No configured children now.\r | |
1343 | //\r | |
779ae357 | 1344 | if (MnpDeviceData->EnableSystemPoll) {\r |
8a67d61d | 1345 | //\r |
1346 | // The system poll in on, cancel the poll timer.\r | |
1347 | //\r | |
779ae357 | 1348 | Status = gBS->SetTimer (MnpDeviceData->PollTimer, TimerCancel, 0);\r |
1349 | MnpDeviceData->EnableSystemPoll = FALSE;\r | |
8a67d61d | 1350 | }\r |
1351 | \r | |
1352 | //\r | |
1353 | // Cancel the timeout timer.\r | |
1354 | //\r | |
779ae357 | 1355 | Status = gBS->SetTimer (MnpDeviceData->TimeoutCheckTimer, TimerCancel, 0);\r |
8a67d61d | 1356 | \r |
dd29f3ed | 1357 | //\r |
1358 | // Cancel the media detect timer.\r | |
1359 | //\r | |
1360 | Status = gBS->SetTimer (MnpDeviceData->MediaDetectTimer, TimerCancel, 0);\r | |
1361 | \r | |
8a67d61d | 1362 | //\r |
1363 | // Stop the simple network.\r | |
1364 | //\r | |
05074499 | 1365 | Status = MnpStopSnp (MnpDeviceData);\r |
8a67d61d | 1366 | return Status;\r |
1367 | }\r | |
1368 | \r | |
1369 | \r | |
1370 | /**\r | |
1371 | Flush the instance's received data.\r | |
1372 | \r | |
6e4bac4d | 1373 | @param[in, out] Instance Pointer to the mnp instance context data.\r |
8a67d61d | 1374 | \r |
8a67d61d | 1375 | **/\r |
1376 | VOID\r | |
1377 | MnpFlushRcvdDataQueue (\r | |
779ae357 | 1378 | IN OUT MNP_INSTANCE_DATA *Instance\r |
8a67d61d | 1379 | )\r |
1380 | {\r | |
779ae357 | 1381 | EFI_TPL OldTpl;\r |
8a67d61d | 1382 | MNP_RXDATA_WRAP *RxDataWrap;\r |
1383 | \r | |
1384 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1385 | \r | |
e48e37fc | 1386 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
8a67d61d | 1387 | \r |
e48e37fc | 1388 | while (!IsListEmpty (&Instance->RcvdPacketQueue)) {\r |
8a67d61d | 1389 | //\r |
1390 | // Remove all the Wraps.\r | |
1391 | //\r | |
1392 | RxDataWrap = NET_LIST_HEAD (&Instance->RcvdPacketQueue, MNP_RXDATA_WRAP, WrapEntry);\r | |
1393 | \r | |
1394 | //\r | |
1395 | // Recycle the RxDataWrap.\r | |
1396 | //\r | |
1397 | MnpRecycleRxData (NULL, (VOID *) RxDataWrap);\r | |
1398 | Instance->RcvdPacketQueueSize--;\r | |
1399 | }\r | |
1400 | \r | |
1401 | ASSERT (Instance->RcvdPacketQueueSize == 0);\r | |
1402 | \r | |
e48e37fc | 1403 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 1404 | }\r |
1405 | \r | |
1406 | \r | |
1407 | /**\r | |
1408 | Configure the Instance using ConfigData.\r | |
1409 | \r | |
6e4bac4d | 1410 | @param[in, out] Instance Pointer to the mnp instance context data.\r |
1411 | @param[in] ConfigData Pointer to the configuration data used to configure\r | |
8a67d61d | 1412 | the isntance.\r |
1413 | \r | |
1414 | @retval EFI_SUCCESS The Instance is configured.\r | |
1415 | @retval EFI_UNSUPPORTED EnableReceiveTimestamps is on and the\r | |
1416 | implementation doesn't support it.\r | |
6e4bac4d | 1417 | @retval Others Other errors as indicated.\r |
8a67d61d | 1418 | \r |
1419 | **/\r | |
1420 | EFI_STATUS\r | |
1421 | MnpConfigureInstance (\r | |
779ae357 | 1422 | IN OUT MNP_INSTANCE_DATA *Instance,\r |
1423 | IN EFI_MANAGED_NETWORK_CONFIG_DATA *ConfigData OPTIONAL\r | |
8a67d61d | 1424 | )\r |
1425 | {\r | |
1426 | EFI_STATUS Status;\r | |
1427 | MNP_SERVICE_DATA *MnpServiceData;\r | |
779ae357 | 1428 | MNP_DEVICE_DATA *MnpDeviceData;\r |
8a67d61d | 1429 | EFI_MANAGED_NETWORK_CONFIG_DATA *OldConfigData;\r |
1430 | EFI_MANAGED_NETWORK_CONFIG_DATA *NewConfigData;\r | |
1431 | BOOLEAN IsConfigUpdate;\r | |
1432 | \r | |
1433 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1434 | \r | |
1435 | if ((ConfigData != NULL) && ConfigData->EnableReceiveTimestamps) {\r | |
1436 | //\r | |
1437 | // Don't support timestamp.\r | |
1438 | //\r | |
1439 | return EFI_UNSUPPORTED;\r | |
1440 | }\r | |
1441 | \r | |
1442 | Status = EFI_SUCCESS;\r | |
1443 | \r | |
1444 | MnpServiceData = Instance->MnpServiceData;\r | |
779ae357 | 1445 | MnpDeviceData = MnpServiceData->MnpDeviceData;\r |
1446 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r | |
8a67d61d | 1447 | \r |
1448 | IsConfigUpdate = (BOOLEAN) ((Instance->Configured) && (ConfigData != NULL));\r | |
1449 | \r | |
1450 | OldConfigData = &Instance->ConfigData;\r | |
1451 | NewConfigData = ConfigData;\r | |
1452 | if (NewConfigData == NULL) {\r | |
1453 | //\r | |
1454 | // Restore back the default config data if a reset of this instance\r | |
1455 | // is required.\r | |
1456 | //\r | |
1457 | NewConfigData = &mMnpDefaultConfigData;\r | |
1458 | }\r | |
1459 | \r | |
1460 | //\r | |
1461 | // Reset the instance's receive filter.\r | |
1462 | //\r | |
1463 | Instance->ReceiveFilter = 0;\r | |
1464 | \r | |
1465 | //\r | |
1466 | // Clear the receive counters according to the old ConfigData.\r | |
1467 | //\r | |
1468 | if (OldConfigData->EnableUnicastReceive) {\r | |
779ae357 | 1469 | MnpDeviceData->UnicastCount--;\r |
8a67d61d | 1470 | }\r |
1471 | \r | |
1472 | if (OldConfigData->EnableMulticastReceive) {\r | |
779ae357 | 1473 | MnpDeviceData->MulticastCount--;\r |
8a67d61d | 1474 | }\r |
1475 | \r | |
1476 | if (OldConfigData->EnableBroadcastReceive) {\r | |
779ae357 | 1477 | MnpDeviceData->BroadcastCount--;\r |
8a67d61d | 1478 | }\r |
1479 | \r | |
1480 | if (OldConfigData->EnablePromiscuousReceive) {\r | |
779ae357 | 1481 | MnpDeviceData->PromiscuousCount--;\r |
8a67d61d | 1482 | }\r |
1483 | \r | |
1484 | //\r | |
1485 | // Set the receive filter counters and the receive filter of the\r | |
1486 | // instance according to the new ConfigData.\r | |
1487 | //\r | |
1488 | if (NewConfigData->EnableUnicastReceive) {\r | |
779ae357 | 1489 | MnpDeviceData->UnicastCount++;\r |
8a67d61d | 1490 | Instance->ReceiveFilter |= MNP_RECEIVE_UNICAST;\r |
1491 | }\r | |
1492 | \r | |
1493 | if (NewConfigData->EnableMulticastReceive) {\r | |
779ae357 | 1494 | MnpDeviceData->MulticastCount++;\r |
8a67d61d | 1495 | }\r |
1496 | \r | |
1497 | if (NewConfigData->EnableBroadcastReceive) {\r | |
779ae357 | 1498 | MnpDeviceData->BroadcastCount++;\r |
8a67d61d | 1499 | Instance->ReceiveFilter |= MNP_RECEIVE_BROADCAST;\r |
1500 | }\r | |
1501 | \r | |
1502 | if (NewConfigData->EnablePromiscuousReceive) {\r | |
779ae357 | 1503 | MnpDeviceData->PromiscuousCount++;\r |
8a67d61d | 1504 | }\r |
1505 | \r | |
1506 | if (OldConfigData->FlushQueuesOnReset) {\r | |
8a67d61d | 1507 | MnpFlushRcvdDataQueue (Instance);\r |
1508 | }\r | |
1509 | \r | |
1510 | if (ConfigData == NULL) {\r | |
36ee91ca | 1511 | Instance->ManagedNetwork.Cancel (&Instance->ManagedNetwork, NULL);\r |
8a67d61d | 1512 | }\r |
1513 | \r | |
1514 | if (!NewConfigData->EnableMulticastReceive) {\r | |
8a67d61d | 1515 | MnpGroupOp (Instance, FALSE, NULL, NULL);\r |
1516 | }\r | |
1517 | \r | |
1518 | //\r | |
1519 | // Save the new configuration data.\r | |
1520 | //\r | |
687a2e5f | 1521 | CopyMem (OldConfigData, NewConfigData, sizeof (*OldConfigData));\r |
8a67d61d | 1522 | \r |
779ae357 | 1523 | Instance->Configured = (BOOLEAN) (ConfigData != NULL);\r |
8a67d61d | 1524 | if (Instance->Configured) {\r |
1525 | //\r | |
1526 | // The instance is configured, start the Mnp.\r | |
1527 | //\r | |
1528 | Status = MnpStart (\r | |
1529 | MnpServiceData,\r | |
1530 | IsConfigUpdate,\r | |
4eb65aff | 1531 | (BOOLEAN) !NewConfigData->DisableBackgroundPolling\r |
8a67d61d | 1532 | );\r |
1533 | } else {\r | |
1534 | //\r | |
1535 | // The instance is changed to the unconfigured state, stop the Mnp.\r | |
1536 | //\r | |
1537 | Status = MnpStop (MnpServiceData);\r | |
1538 | }\r | |
1539 | \r | |
1540 | return Status;\r | |
1541 | }\r | |
1542 | \r | |
aeddd425 | 1543 | /**\r |
1544 | Configure the Snp receive filters according to the instances' receive filter\r | |
1545 | settings.\r | |
1546 | \r | |
779ae357 | 1547 | @param[in] MnpDeviceData Pointer to the mnp device context data.\r |
aeddd425 | 1548 | \r |
1549 | @retval EFI_SUCCESS The receive filters is configured.\r | |
779ae357 | 1550 | @retval EFI_OUT_OF_RESOURCES The receive filters can't be configured due\r |
aeddd425 | 1551 | to lack of memory resource.\r |
1552 | \r | |
1553 | **/\r | |
1554 | EFI_STATUS\r | |
1555 | MnpConfigReceiveFilters (\r | |
779ae357 | 1556 | IN MNP_DEVICE_DATA *MnpDeviceData\r |
aeddd425 | 1557 | )\r |
1558 | {\r | |
1559 | EFI_STATUS Status;\r | |
1560 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
1561 | EFI_MAC_ADDRESS *MCastFilter;\r | |
1562 | UINT32 MCastFilterCnt;\r | |
1563 | UINT32 EnableFilterBits;\r | |
1564 | UINT32 DisableFilterBits;\r | |
1565 | BOOLEAN ResetMCastFilters;\r | |
1566 | LIST_ENTRY *Entry;\r | |
1567 | UINT32 Index;\r | |
1568 | MNP_GROUP_ADDRESS *GroupAddress;\r | |
1569 | \r | |
779ae357 | 1570 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r |
aeddd425 | 1571 | \r |
779ae357 | 1572 | Snp = MnpDeviceData->Snp;\r |
aeddd425 | 1573 | \r |
1574 | //\r | |
1575 | // Initialize the enable filter and disable filter.\r | |
1576 | //\r | |
1577 | EnableFilterBits = 0;\r | |
1578 | DisableFilterBits = Snp->Mode->ReceiveFilterMask;\r | |
1579 | \r | |
779ae357 | 1580 | if (MnpDeviceData->UnicastCount != 0) {\r |
aeddd425 | 1581 | //\r |
1582 | // Enable unicast if any instance wants to receive unicast.\r | |
1583 | //\r | |
1584 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r | |
1585 | }\r | |
1586 | \r | |
779ae357 | 1587 | if (MnpDeviceData->BroadcastCount != 0) {\r |
aeddd425 | 1588 | //\r |
1589 | // Enable broadcast if any instance wants to receive broadcast.\r | |
1590 | //\r | |
1591 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r | |
1592 | }\r | |
1593 | \r | |
1594 | MCastFilter = NULL;\r | |
1595 | MCastFilterCnt = 0;\r | |
1596 | ResetMCastFilters = TRUE;\r | |
1597 | \r | |
779ae357 | 1598 | if ((MnpDeviceData->MulticastCount != 0) && (MnpDeviceData->GroupAddressCount != 0)) {\r |
aeddd425 | 1599 | //\r |
1600 | // There are instances configured to receive multicast and already some group\r | |
1601 | // addresses are joined.\r | |
1602 | //\r | |
1603 | \r | |
1604 | ResetMCastFilters = FALSE;\r | |
1605 | \r | |
779ae357 | 1606 | if (MnpDeviceData->GroupAddressCount <= Snp->Mode->MaxMCastFilterCount) {\r |
aeddd425 | 1607 | //\r |
1608 | // The joind group address is less than simple network's maximum count.\r | |
1609 | // Just configure the snp to do the multicast filtering.\r | |
1610 | //\r | |
1611 | \r | |
1612 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r | |
1613 | \r | |
1614 | //\r | |
1615 | // Allocate pool for the mulicast addresses.\r | |
1616 | //\r | |
779ae357 | 1617 | MCastFilterCnt = MnpDeviceData->GroupAddressCount;\r |
aeddd425 | 1618 | MCastFilter = AllocatePool (sizeof (EFI_MAC_ADDRESS) * MCastFilterCnt);\r |
1619 | if (MCastFilter == NULL) {\r | |
aeddd425 | 1620 | DEBUG ((EFI_D_ERROR, "MnpConfigReceiveFilters: Failed to allocate memory resource for MCastFilter.\n"));\r |
779ae357 | 1621 | \r |
aeddd425 | 1622 | return EFI_OUT_OF_RESOURCES;\r |
1623 | }\r | |
1624 | \r | |
1625 | //\r | |
1626 | // Fill the multicast HW address buffer.\r | |
1627 | //\r | |
1628 | Index = 0;\r | |
779ae357 | 1629 | NET_LIST_FOR_EACH (Entry, &MnpDeviceData->GroupAddressList) {\r |
aeddd425 | 1630 | \r |
779ae357 | 1631 | GroupAddress = NET_LIST_USER_STRUCT (Entry, MNP_GROUP_ADDRESS, AddrEntry);\r |
aeddd425 | 1632 | CopyMem (MCastFilter + Index, &GroupAddress->Address, sizeof (*(MCastFilter + Index)));\r |
1633 | Index++;\r | |
1634 | \r | |
1635 | ASSERT (Index <= MCastFilterCnt);\r | |
1636 | }\r | |
1637 | } else {\r | |
1638 | //\r | |
1639 | // The maximum multicast is reached, set the filter to be promiscuous\r | |
1640 | // multicast.\r | |
1641 | //\r | |
1642 | \r | |
1643 | if ((Snp->Mode->ReceiveFilterMask & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST) != 0) {\r | |
1644 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r | |
1645 | } else {\r | |
1646 | //\r | |
1647 | // Either MULTICAST or PROMISCUOUS_MULTICAST is not supported by Snp,\r | |
1648 | // set the NIC to be promiscuous although this will tremendously degrade\r | |
1649 | // the performance.\r | |
1650 | //\r | |
1651 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
1652 | }\r | |
1653 | }\r | |
1654 | }\r | |
1655 | \r | |
779ae357 | 1656 | if (MnpDeviceData->PromiscuousCount != 0) {\r |
aeddd425 | 1657 | //\r |
1658 | // Enable promiscuous if any instance wants to receive promiscuous.\r | |
1659 | //\r | |
1660 | EnableFilterBits |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r | |
1661 | }\r | |
1662 | \r | |
1663 | //\r | |
1664 | // Set the disable filter.\r | |
1665 | //\r | |
1666 | DisableFilterBits ^= EnableFilterBits;\r | |
1667 | \r | |
1668 | //\r | |
1669 | // Configure the receive filters of SNP.\r | |
1670 | //\r | |
1671 | Status = Snp->ReceiveFilters (\r | |
1672 | Snp,\r | |
1673 | EnableFilterBits,\r | |
1674 | DisableFilterBits,\r | |
1675 | ResetMCastFilters,\r | |
1676 | MCastFilterCnt,\r | |
1677 | MCastFilter\r | |
1678 | );\r | |
1679 | DEBUG_CODE (\r | |
1680 | if (EFI_ERROR (Status)) {\r | |
779ae357 | 1681 | DEBUG (\r |
1682 | (EFI_D_ERROR,\r | |
1683 | "MnpConfigReceiveFilters: Snp->ReceiveFilters failed, %r.\n",\r | |
1684 | Status)\r | |
1685 | );\r | |
1686 | }\r | |
aeddd425 | 1687 | );\r |
1688 | \r | |
1689 | if (MCastFilter != NULL) {\r | |
1690 | //\r | |
1691 | // Free the buffer used to hold the group addresses.\r | |
1692 | //\r | |
766c7483 | 1693 | FreePool (MCastFilter);\r |
aeddd425 | 1694 | }\r |
1695 | \r | |
1696 | return Status;\r | |
1697 | }\r | |
8a67d61d | 1698 | \r |
8a67d61d | 1699 | \r |
1700 | /**\r | |
1701 | Add a group address control block which controls the MacAddress for\r | |
1702 | this instance.\r | |
1703 | \r | |
6e4bac4d | 1704 | @param[in, out] Instance Pointer to the mnp instance context data.\r |
1705 | @param[in, out] CtrlBlk Pointer to the group address control block.\r | |
1706 | @param[in, out] GroupAddress Pointer to the group adress.\r | |
1707 | @param[in] MacAddress Pointer to the mac address.\r | |
1708 | @param[in] HwAddressSize The hardware address size.\r | |
8a67d61d | 1709 | \r |
6e4bac4d | 1710 | @retval EFI_SUCCESS The group address control block is added.\r |
1711 | @retval EFI_OUT_OF_RESOURCES Failed due to lack of memory resources.\r | |
8a67d61d | 1712 | \r |
1713 | **/\r | |
8a67d61d | 1714 | EFI_STATUS\r |
1715 | MnpGroupOpAddCtrlBlk (\r | |
779ae357 | 1716 | IN OUT MNP_INSTANCE_DATA *Instance,\r |
1717 | IN OUT MNP_GROUP_CONTROL_BLOCK *CtrlBlk,\r | |
1718 | IN OUT MNP_GROUP_ADDRESS *GroupAddress OPTIONAL,\r | |
1719 | IN EFI_MAC_ADDRESS *MacAddress,\r | |
1720 | IN UINT32 HwAddressSize\r | |
8a67d61d | 1721 | )\r |
1722 | {\r | |
779ae357 | 1723 | MNP_DEVICE_DATA *MnpDeviceData;\r |
8a67d61d | 1724 | \r |
1725 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1726 | \r | |
779ae357 | 1727 | MnpDeviceData = Instance->MnpServiceData->MnpDeviceData;\r |
1728 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r | |
8a67d61d | 1729 | \r |
1730 | if (GroupAddress == NULL) {\r | |
8a67d61d | 1731 | ASSERT (MacAddress != NULL);\r |
1732 | \r | |
1733 | //\r | |
1734 | // Allocate a new GroupAddress to be added into MNP's GroupAddressList.\r | |
1735 | //\r | |
e48e37fc | 1736 | GroupAddress = AllocatePool (sizeof (MNP_GROUP_ADDRESS));\r |
8a67d61d | 1737 | if (GroupAddress == NULL) {\r |
1738 | \r | |
e48e37fc | 1739 | DEBUG ((EFI_D_ERROR, "MnpGroupOpFormCtrlBlk: Failed to allocate memory resource.\n"));\r |
8a67d61d | 1740 | \r |
1741 | return EFI_OUT_OF_RESOURCES;\r | |
1742 | }\r | |
1743 | \r | |
687a2e5f | 1744 | CopyMem (&GroupAddress->Address, MacAddress, sizeof (GroupAddress->Address));\r |
779ae357 | 1745 | GroupAddress->RefCnt = 0;\r |
e48e37fc | 1746 | InsertTailList (\r |
779ae357 | 1747 | &MnpDeviceData->GroupAddressList,\r |
8a67d61d | 1748 | &GroupAddress->AddrEntry\r |
1749 | );\r | |
779ae357 | 1750 | MnpDeviceData->GroupAddressCount++;\r |
8a67d61d | 1751 | }\r |
1752 | \r | |
1753 | //\r | |
1754 | // Increase the RefCnt.\r | |
1755 | //\r | |
1756 | GroupAddress->RefCnt++;\r | |
1757 | \r | |
1758 | //\r | |
1759 | // Add the CtrlBlk into the instance's GroupCtrlBlkList.\r | |
1760 | //\r | |
1761 | CtrlBlk->GroupAddress = GroupAddress;\r | |
e48e37fc | 1762 | InsertTailList (&Instance->GroupCtrlBlkList, &CtrlBlk->CtrlBlkEntry);\r |
8a67d61d | 1763 | \r |
1764 | return EFI_SUCCESS;\r | |
1765 | }\r | |
1766 | \r | |
1767 | \r | |
1768 | /**\r | |
1769 | Delete a group control block from the instance. If the controlled group address's\r | |
1770 | reference count reaches zero, the group address is removed too.\r | |
1771 | \r | |
3e8c18da | 1772 | @param[in] Instance Pointer to the instance context data.\r |
1773 | @param[in] CtrlBlk Pointer to the group control block to delete.\r | |
8a67d61d | 1774 | \r |
1775 | @return The group address controlled by the control block is no longer used or not.\r | |
1776 | \r | |
1777 | **/\r | |
8a67d61d | 1778 | BOOLEAN\r |
1779 | MnpGroupOpDelCtrlBlk (\r | |
779ae357 | 1780 | IN MNP_INSTANCE_DATA *Instance,\r |
1781 | IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk\r | |
8a67d61d | 1782 | )\r |
1783 | {\r | |
779ae357 | 1784 | MNP_DEVICE_DATA *MnpDeviceData;\r |
8a67d61d | 1785 | MNP_GROUP_ADDRESS *GroupAddress;\r |
1786 | \r | |
1787 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1788 | \r | |
779ae357 | 1789 | MnpDeviceData = Instance->MnpServiceData->MnpDeviceData;\r |
1790 | NET_CHECK_SIGNATURE (MnpDeviceData, MNP_DEVICE_DATA_SIGNATURE);\r | |
8a67d61d | 1791 | \r |
1792 | //\r | |
1793 | // Remove and free the CtrlBlk.\r | |
1794 | //\r | |
1795 | GroupAddress = CtrlBlk->GroupAddress;\r | |
e48e37fc | 1796 | RemoveEntryList (&CtrlBlk->CtrlBlkEntry);\r |
766c7483 | 1797 | FreePool (CtrlBlk);\r |
8a67d61d | 1798 | \r |
1799 | ASSERT (GroupAddress->RefCnt > 0);\r | |
1800 | \r | |
1801 | //\r | |
1802 | // Count down the RefCnt.\r | |
1803 | //\r | |
1804 | GroupAddress->RefCnt--;\r | |
1805 | \r | |
1806 | if (GroupAddress->RefCnt == 0) {\r | |
1807 | //\r | |
1808 | // Free this GroupAddress entry if no instance uses it.\r | |
1809 | //\r | |
779ae357 | 1810 | MnpDeviceData->GroupAddressCount--;\r |
e48e37fc | 1811 | RemoveEntryList (&GroupAddress->AddrEntry);\r |
766c7483 | 1812 | FreePool (GroupAddress);\r |
8a67d61d | 1813 | \r |
1814 | return TRUE;\r | |
1815 | }\r | |
1816 | \r | |
1817 | return FALSE;\r | |
1818 | }\r | |
1819 | \r | |
1820 | \r | |
1821 | /**\r | |
1822 | Do the group operations for this instance.\r | |
1823 | \r | |
6e4bac4d | 1824 | @param[in, out] Instance Pointer to the instance context data.\r |
779ae357 | 1825 | @param[in] JoinFlag Set to TRUE to join a group. Set to TRUE to\r |
6e4bac4d | 1826 | leave a group/groups.\r |
1827 | @param[in] MacAddress Pointer to the group address to join or leave.\r | |
779ae357 | 1828 | @param[in] CtrlBlk Pointer to the group control block if JoinFlag\r |
6e4bac4d | 1829 | is FALSE.\r |
8a67d61d | 1830 | \r |
6e4bac4d | 1831 | @retval EFI_SUCCESS The group operation finished.\r |
1832 | @retval EFI_OUT_OF_RESOURCES Failed due to lack of memory resources.\r | |
1833 | @retval Others Other errors as indicated.\r | |
8a67d61d | 1834 | \r |
1835 | **/\r | |
1836 | EFI_STATUS\r | |
1837 | MnpGroupOp (\r | |
779ae357 | 1838 | IN OUT MNP_INSTANCE_DATA *Instance,\r |
1839 | IN BOOLEAN JoinFlag,\r | |
1840 | IN EFI_MAC_ADDRESS *MacAddress OPTIONAL,\r | |
1841 | IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk OPTIONAL\r | |
8a67d61d | 1842 | )\r |
1843 | {\r | |
779ae357 | 1844 | MNP_DEVICE_DATA *MnpDeviceData;\r |
e48e37fc | 1845 | LIST_ENTRY *Entry;\r |
1846 | LIST_ENTRY *NextEntry;\r | |
8a67d61d | 1847 | MNP_GROUP_ADDRESS *GroupAddress;\r |
1848 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
1849 | MNP_GROUP_CONTROL_BLOCK *NewCtrlBlk;\r | |
1850 | EFI_STATUS Status;\r | |
1851 | BOOLEAN AddressExist;\r | |
1852 | BOOLEAN NeedUpdate;\r | |
1853 | \r | |
1854 | NET_CHECK_SIGNATURE (Instance, MNP_INSTANCE_DATA_SIGNATURE);\r | |
1855 | \r | |
779ae357 | 1856 | MnpDeviceData = Instance->MnpServiceData->MnpDeviceData;\r |
1857 | SnpMode = MnpDeviceData->Snp->Mode;\r | |
8a67d61d | 1858 | \r |
1859 | if (JoinFlag) {\r | |
1860 | //\r | |
1861 | // A new gropu address is to be added.\r | |
1862 | //\r | |
8a67d61d | 1863 | GroupAddress = NULL;\r |
1864 | AddressExist = FALSE;\r | |
1865 | \r | |
1866 | //\r | |
1867 | // Allocate memory for the control block.\r | |
1868 | //\r | |
779ae357 | 1869 | NewCtrlBlk = AllocatePool (sizeof (MNP_GROUP_CONTROL_BLOCK));\r |
8a67d61d | 1870 | if (NewCtrlBlk == NULL) {\r |
e48e37fc | 1871 | DEBUG ((EFI_D_ERROR, "MnpGroupOp: Failed to allocate memory resource.\n"));\r |
779ae357 | 1872 | \r |
8a67d61d | 1873 | return EFI_OUT_OF_RESOURCES;\r |
1874 | }\r | |
1875 | \r | |
779ae357 | 1876 | NET_LIST_FOR_EACH (Entry, &MnpDeviceData->GroupAddressList) {\r |
8a67d61d | 1877 | //\r |
1878 | // Check whether the MacAddress is already joined by other instances.\r | |
1879 | //\r | |
1880 | GroupAddress = NET_LIST_USER_STRUCT (Entry, MNP_GROUP_ADDRESS, AddrEntry);\r | |
779ae357 | 1881 | if (CompareMem (MacAddress, &GroupAddress->Address, SnpMode->HwAddressSize) == 0) {\r |
8a67d61d | 1882 | AddressExist = TRUE;\r |
1883 | break;\r | |
1884 | }\r | |
1885 | }\r | |
1886 | \r | |
1887 | if (!AddressExist) {\r | |
1888 | GroupAddress = NULL;\r | |
1889 | }\r | |
1890 | \r | |
1891 | //\r | |
1892 | // Add the GroupAddress for this instance.\r | |
1893 | //\r | |
1894 | Status = MnpGroupOpAddCtrlBlk (\r | |
1895 | Instance,\r | |
1896 | NewCtrlBlk,\r | |
1897 | GroupAddress,\r | |
1898 | MacAddress,\r | |
1899 | SnpMode->HwAddressSize\r | |
1900 | );\r | |
1901 | if (EFI_ERROR (Status)) {\r | |
8a67d61d | 1902 | return Status;\r |
1903 | }\r | |
1904 | \r | |
1905 | NeedUpdate = TRUE;\r | |
1906 | } else {\r | |
8a67d61d | 1907 | if (MacAddress != NULL) {\r |
8a67d61d | 1908 | ASSERT (CtrlBlk != NULL);\r |
1909 | \r | |
1910 | //\r | |
1911 | // Leave the specific multicast mac address.\r | |
1912 | //\r | |
1913 | NeedUpdate = MnpGroupOpDelCtrlBlk (Instance, CtrlBlk);\r | |
1914 | } else {\r | |
1915 | //\r | |
1916 | // Leave all multicast mac addresses.\r | |
1917 | //\r | |
1918 | NeedUpdate = FALSE;\r | |
1919 | \r | |
1920 | NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, &Instance->GroupCtrlBlkList) {\r | |
1921 | \r | |
1922 | NewCtrlBlk = NET_LIST_USER_STRUCT (\r | |
1923 | Entry,\r | |
1924 | MNP_GROUP_CONTROL_BLOCK,\r | |
1925 | CtrlBlkEntry\r | |
1926 | );\r | |
1927 | //\r | |
1928 | // Update is required if the group address left is no longer used\r | |
1929 | // by other instances.\r | |
1930 | //\r | |
1931 | NeedUpdate = MnpGroupOpDelCtrlBlk (Instance, NewCtrlBlk);\r | |
1932 | }\r | |
1933 | }\r | |
1934 | }\r | |
1935 | \r | |
1936 | Status = EFI_SUCCESS;\r | |
1937 | \r | |
1938 | if (NeedUpdate) {\r | |
1939 | //\r | |
1940 | // Reconfigure the receive filters if necessary.\r | |
1941 | //\r | |
779ae357 | 1942 | Status = MnpConfigReceiveFilters (MnpDeviceData);\r |
8a67d61d | 1943 | }\r |
1944 | \r | |
1945 | return Status;\r | |
1946 | }\r |