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8a67d61d | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2005 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | MnpMain.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Implementation of Managed Network Protocol public services.\r | |
19 | \r | |
20 | \r | |
21 | **/\r | |
22 | \r | |
23 | #include <Library/BaseMemoryLib.h>\r | |
24 | #include <Library/BaseLib.h>\r | |
25 | \r | |
26 | #include "MnpImpl.h"\r | |
27 | \r | |
28 | \r | |
29 | /**\r | |
30 | Get configuration data of this instance.\r | |
31 | \r | |
32 | @param This Pointer to the Managed Network Protocol.\r | |
33 | @param MnpConfigData Pointer to strorage for MNP operational\r | |
34 | parameters.\r | |
35 | @param SnpModeData Pointer to strorage for SNP operational\r | |
36 | parameters.\r | |
37 | \r | |
38 | @retval EFI_SUCCESS The operation completed successfully.\r | |
39 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
40 | @retval EFI_NOT_STARTED This MNP child driver instance has not been\r | |
41 | configured The default values are returned in\r | |
42 | MnpConfigData if it is not NULL.\r | |
43 | \r | |
44 | **/\r | |
45 | EFI_STATUS\r | |
46 | EFIAPI\r | |
47 | MnpGetModeData (\r | |
48 | IN EFI_MANAGED_NETWORK_PROTOCOL *This,\r | |
49 | OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,\r | |
50 | OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL\r | |
51 | )\r | |
52 | {\r | |
53 | MNP_INSTANCE_DATA *Instance;\r | |
54 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
55 | EFI_TPL OldTpl;\r | |
56 | EFI_STATUS Status;\r | |
57 | \r | |
58 | if (This == NULL) {\r | |
59 | \r | |
60 | return EFI_INVALID_PARAMETER;\r | |
61 | }\r | |
62 | \r | |
63 | Instance = MNP_INSTANCE_DATA_FROM_THIS (This);\r | |
64 | \r | |
e48e37fc | 65 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 66 | \r |
67 | if (MnpConfigData != NULL) {\r | |
68 | //\r | |
69 | // Copy the instance configuration data.\r | |
70 | //\r | |
687a2e5f | 71 | CopyMem (MnpConfigData, &Instance->ConfigData, sizeof (*MnpConfigData));\r |
8a67d61d | 72 | }\r |
73 | \r | |
74 | if (SnpModeData != NULL) {\r | |
75 | //\r | |
76 | // Copy the underlayer Snp mode data.\r | |
77 | //\r | |
78 | Snp = Instance->MnpServiceData->Snp;\r | |
687a2e5f | 79 | CopyMem (SnpModeData, Snp->Mode, sizeof (*SnpModeData));\r |
8a67d61d | 80 | }\r |
81 | \r | |
82 | if (!Instance->Configured) {\r | |
83 | Status = EFI_NOT_STARTED;\r | |
84 | } else {\r | |
85 | Status = EFI_SUCCESS;\r | |
86 | }\r | |
87 | \r | |
e48e37fc | 88 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 89 | \r |
90 | return Status;\r | |
91 | }\r | |
92 | \r | |
93 | \r | |
94 | /**\r | |
95 | Set or clear the operational parameters for the MNP child driver.\r | |
96 | \r | |
97 | @param This Pointer to the Managed Network Protocol.\r | |
98 | @param MnpConfigData Pointer to the configuration data that will be\r | |
99 | assigned to the MNP child driver instance. If\r | |
100 | NULL, the MNP child driver instance is reset to\r | |
101 | startup defaults and all pending transmit and\r | |
102 | receive requests are flushed.\r | |
103 | \r | |
104 | @retval EFI_SUCCESS The operation completed successfully.\r | |
105 | @retval EFI_INVALID_PARAMETER One or more parameter is invalid.\r | |
106 | @retval EFI_OUT_OF_RESOURCES Required system resources (usually memory) could\r | |
107 | not be allocated.\r | |
108 | @retval EFI_UNSUPPORTED EnableReceiveTimestamps is TRUE, this\r | |
109 | implementation doesn't support it.\r | |
110 | @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.\r | |
111 | @retval Other The MNP child driver instance has been reset to\r | |
112 | startup defaults.\r | |
113 | \r | |
114 | **/\r | |
115 | EFI_STATUS\r | |
116 | EFIAPI\r | |
117 | MnpConfigure (\r | |
118 | IN EFI_MANAGED_NETWORK_PROTOCOL *This,\r | |
119 | IN EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL\r | |
120 | )\r | |
121 | {\r | |
122 | MNP_INSTANCE_DATA *Instance;\r | |
123 | EFI_TPL OldTpl;\r | |
124 | EFI_STATUS Status;\r | |
125 | \r | |
126 | if ((This == NULL) ||\r | |
127 | ((MnpConfigData != NULL) &&\r | |
128 | (MnpConfigData->ProtocolTypeFilter > 0) &&\r | |
129 | (MnpConfigData->ProtocolTypeFilter <= 1500))) {\r | |
130 | \r | |
131 | return EFI_INVALID_PARAMETER;\r | |
132 | }\r | |
133 | \r | |
134 | Instance = MNP_INSTANCE_DATA_FROM_THIS (This);\r | |
135 | \r | |
e48e37fc | 136 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 137 | \r |
138 | if ((MnpConfigData == NULL) && (!Instance->Configured)) {\r | |
139 | //\r | |
140 | // If the instance is not configured and a reset is requested, just return.\r | |
141 | //\r | |
142 | Status = EFI_SUCCESS;\r | |
143 | goto ON_EXIT;\r | |
144 | }\r | |
145 | \r | |
146 | //\r | |
147 | // Configure the instance.\r | |
148 | //\r | |
149 | Status = MnpConfigureInstance (Instance, MnpConfigData);\r | |
150 | \r | |
151 | ON_EXIT:\r | |
e48e37fc | 152 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 153 | \r |
154 | return Status;\r | |
155 | }\r | |
156 | \r | |
157 | \r | |
158 | /**\r | |
159 | Translate a multicast IP address to a multicast hardware (MAC) address.\r | |
160 | \r | |
161 | @param This Pointer to the Managed Network Protocol.\r | |
162 | @param Ipv6Flag Set to TRUE if IpAddress is an IPv6 multicast\r | |
163 | address. Set to FALSE if IpAddress is an IPv4\r | |
164 | multicast address.\r | |
165 | @param IpAddress Pointer to the multicast IP address to convert.\r | |
166 | @param MacAddress Pointer to the resulting multicast MAC address.\r | |
167 | \r | |
168 | @retval EFI_SUCCESS The operation completed successfully.\r | |
169 | @retval EFI_INVALID_PARAMETER One or more parameter is invalid.\r | |
170 | @retval EFI_NOT_STARTED This MNP child driver instance has not been\r | |
171 | configured.\r | |
172 | @retval EFI_UNSUPPORTED Ipv6Flag is TRUE, this implementation doesn't\r | |
173 | supported it.\r | |
174 | @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.\r | |
175 | @retval Other The address could not be converted.\r | |
176 | \r | |
177 | **/\r | |
178 | EFI_STATUS\r | |
179 | EFIAPI\r | |
180 | MnpMcastIpToMac (\r | |
181 | IN EFI_MANAGED_NETWORK_PROTOCOL *This,\r | |
182 | IN BOOLEAN Ipv6Flag,\r | |
183 | IN EFI_IP_ADDRESS *IpAddress,\r | |
184 | OUT EFI_MAC_ADDRESS *MacAddress\r | |
185 | )\r | |
186 | {\r | |
187 | EFI_STATUS Status;\r | |
188 | MNP_INSTANCE_DATA *Instance;\r | |
189 | EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r | |
190 | EFI_TPL OldTpl;\r | |
191 | \r | |
192 | if ((This == NULL) || (IpAddress == NULL) || (MacAddress == NULL)) {\r | |
193 | \r | |
194 | return EFI_INVALID_PARAMETER;\r | |
195 | }\r | |
196 | \r | |
197 | if (Ipv6Flag) {\r | |
198 | //\r | |
199 | // Currently IPv6 isn't supported.\r | |
200 | //\r | |
201 | return EFI_UNSUPPORTED;\r | |
202 | }\r | |
203 | \r | |
204 | if (!IP4_IS_MULTICAST (EFI_NTOHL (*IpAddress))) {\r | |
205 | //\r | |
206 | // The IPv4 address passed in is not a multicast address.\r | |
207 | //\r | |
208 | return EFI_INVALID_PARAMETER;\r | |
209 | }\r | |
210 | \r | |
211 | Instance = MNP_INSTANCE_DATA_FROM_THIS (This);\r | |
212 | \r | |
e48e37fc | 213 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 214 | \r |
215 | if (!Instance->Configured) {\r | |
216 | \r | |
217 | Status = EFI_NOT_STARTED;\r | |
218 | goto ON_EXIT;\r | |
219 | }\r | |
220 | \r | |
221 | Snp = Instance->MnpServiceData->Snp;\r | |
222 | ASSERT (Snp != NULL);\r | |
223 | \r | |
224 | if (Snp->Mode->IfType == NET_IFTYPE_ETHERNET) {\r | |
225 | //\r | |
226 | // Translate the IPv4 address into a multicast MAC address if the NIC is an\r | |
227 | // ethernet NIC.\r | |
228 | //\r | |
229 | MacAddress->Addr[0] = 0x01;\r | |
230 | MacAddress->Addr[1] = 0x00;\r | |
231 | MacAddress->Addr[2] = 0x5E;\r | |
4eb65aff | 232 | MacAddress->Addr[3] = (UINT8) (IpAddress->v4.Addr[1] & 0x7F);\r |
8a67d61d | 233 | MacAddress->Addr[4] = IpAddress->v4.Addr[2];\r |
234 | MacAddress->Addr[5] = IpAddress->v4.Addr[3];\r | |
235 | \r | |
236 | Status = EFI_SUCCESS;\r | |
237 | } else {\r | |
238 | //\r | |
239 | // Invoke Snp to translate the multicast IP address.\r | |
240 | //\r | |
241 | Status = Snp->MCastIpToMac (\r | |
242 | Snp,\r | |
243 | Ipv6Flag,\r | |
244 | IpAddress,\r | |
245 | MacAddress\r | |
246 | );\r | |
247 | }\r | |
248 | \r | |
249 | ON_EXIT:\r | |
e48e37fc | 250 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 251 | \r |
252 | return Status;\r | |
253 | }\r | |
254 | \r | |
255 | \r | |
256 | /**\r | |
257 | Enable or disable receie filters for multicast address.\r | |
258 | \r | |
259 | @param This Pointer to the Managed Network Protocol.\r | |
260 | @param JoinFlag Set to TRUE to join this multicast group. Set to\r | |
261 | FALSE to leave this multicast group.\r | |
262 | @param MacAddress Pointer to the multicast MAC group (address) to\r | |
263 | join or leave.\r | |
264 | \r | |
265 | @retval EFI_SUCCESS The operation completed successfully.\r | |
266 | @retval EFI_INVALID_PARAMETER One or more parameter is invalid\r | |
267 | @retval EFI_NOT_STARTED This MNP child driver instance has not been\r | |
268 | configured.\r | |
269 | @retval EFI_ALREADY_STARTED The supplied multicast group is already joined.\r | |
270 | @retval EFI_NOT_FOUND The supplied multicast group is not joined.\r | |
271 | @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.\r | |
272 | @retval Other The requested operation could not be completed.\r | |
273 | The MNP multicast group settings are unchanged.\r | |
274 | \r | |
275 | **/\r | |
276 | EFI_STATUS\r | |
277 | EFIAPI\r | |
278 | MnpGroups (\r | |
279 | IN EFI_MANAGED_NETWORK_PROTOCOL *This,\r | |
280 | IN BOOLEAN JoinFlag,\r | |
281 | IN EFI_MAC_ADDRESS *MacAddress OPTIONAL\r | |
282 | )\r | |
283 | {\r | |
284 | MNP_INSTANCE_DATA *Instance;\r | |
285 | EFI_SIMPLE_NETWORK_MODE *SnpMode;\r | |
286 | MNP_GROUP_CONTROL_BLOCK *GroupCtrlBlk;\r | |
287 | MNP_GROUP_ADDRESS *GroupAddress;\r | |
e48e37fc | 288 | LIST_ENTRY *ListEntry;\r |
8a67d61d | 289 | BOOLEAN AddressExist;\r |
290 | EFI_TPL OldTpl;\r | |
291 | EFI_STATUS Status;\r | |
292 | \r | |
293 | if (This == NULL || (JoinFlag && (MacAddress == NULL))) {\r | |
294 | //\r | |
295 | // This is NULL, or it's a join operation but MacAddress is NULL.\r | |
296 | //\r | |
297 | return EFI_INVALID_PARAMETER;\r | |
298 | }\r | |
299 | \r | |
300 | Instance = MNP_INSTANCE_DATA_FROM_THIS (This);\r | |
301 | SnpMode = Instance->MnpServiceData->Snp->Mode;\r | |
302 | \r | |
e48e37fc | 303 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 304 | \r |
305 | if (!Instance->Configured) {\r | |
306 | \r | |
307 | Status = EFI_NOT_STARTED;\r | |
308 | goto ON_EXIT;\r | |
309 | }\r | |
310 | \r | |
311 | if ((!Instance->ConfigData.EnableMulticastReceive) ||\r | |
312 | ((MacAddress != NULL) && !NET_MAC_IS_MULTICAST (MacAddress, &SnpMode->BroadcastAddress, SnpMode->HwAddressSize))) {\r | |
313 | //\r | |
314 | // The instance isn't configured to do mulitcast receive. OR\r | |
315 | // the passed in MacAddress is not a mutlticast mac address.\r | |
316 | //\r | |
317 | Status = EFI_INVALID_PARAMETER;\r | |
318 | goto ON_EXIT;\r | |
319 | }\r | |
320 | \r | |
321 | Status = EFI_SUCCESS;\r | |
322 | AddressExist = FALSE;\r | |
323 | GroupCtrlBlk = NULL;\r | |
324 | \r | |
325 | if (MacAddress != NULL) {\r | |
326 | //\r | |
327 | // Search the instance's GroupCtrlBlkList to find the specific address.\r | |
328 | //\r | |
329 | NET_LIST_FOR_EACH (ListEntry, &Instance->GroupCtrlBlkList) {\r | |
330 | \r | |
331 | GroupCtrlBlk = NET_LIST_USER_STRUCT (\r | |
332 | ListEntry,\r | |
333 | MNP_GROUP_CONTROL_BLOCK,\r | |
334 | CtrlBlkEntry\r | |
335 | );\r | |
336 | GroupAddress = GroupCtrlBlk->GroupAddress;\r | |
e48e37fc | 337 | if (0 == CompareMem (\r |
8a67d61d | 338 | MacAddress,\r |
339 | &GroupAddress->Address,\r | |
340 | SnpMode->HwAddressSize\r | |
341 | )) {\r | |
342 | //\r | |
343 | // There is already the same multicast mac address configured.\r | |
344 | //\r | |
345 | AddressExist = TRUE;\r | |
346 | break;\r | |
347 | }\r | |
348 | }\r | |
349 | \r | |
350 | if (JoinFlag && AddressExist) {\r | |
351 | //\r | |
352 | // The multicast mac address to join already exists.\r | |
353 | //\r | |
354 | Status = EFI_ALREADY_STARTED;\r | |
355 | }\r | |
356 | \r | |
357 | if (!JoinFlag && !AddressExist) {\r | |
358 | //\r | |
359 | // The multicast mac address to leave doesn't exist in this instance.\r | |
360 | //\r | |
361 | Status = EFI_NOT_FOUND;\r | |
362 | }\r | |
363 | \r | |
364 | if (EFI_ERROR (Status)) {\r | |
365 | goto ON_EXIT;\r | |
366 | }\r | |
e48e37fc | 367 | } else if (IsListEmpty (&Instance->GroupCtrlBlkList)) {\r |
8a67d61d | 368 | //\r |
369 | // The MacAddress is NULL and there is no configured multicast mac address,\r | |
370 | // just return.\r | |
371 | //\r | |
372 | goto ON_EXIT;\r | |
373 | }\r | |
374 | \r | |
375 | //\r | |
376 | // OK, it is time to take action.\r | |
377 | //\r | |
378 | Status = MnpGroupOp (Instance, JoinFlag, MacAddress, GroupCtrlBlk);\r | |
379 | \r | |
380 | ON_EXIT:\r | |
e48e37fc | 381 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 382 | \r |
383 | return Status;\r | |
384 | }\r | |
385 | \r | |
386 | \r | |
387 | /**\r | |
388 | Place an outgoing packet into the transmit queue.\r | |
389 | \r | |
390 | @param This Pointer to the Managed Network Protocol.\r | |
391 | @param Token Pointer to a token associated with the transmit\r | |
392 | data descriptor.\r | |
393 | \r | |
394 | @retval EFI_SUCCESS The operation completed successfully.\r | |
395 | @retval EFI_INVALID_PARAMETER One or more parameter is invalid\r | |
396 | @retval EFI_NOT_STARTED This MNP child driver instance has not been\r | |
397 | configured.\r | |
398 | @retval EFI_ACCESS_DENIED The transmit completion token is already in the\r | |
399 | transmit queue.\r | |
400 | @retval EFI_OUT_OF_RESOURCES The transmit data could not be queued due to a\r | |
401 | lack of system resources (usually memory).\r | |
402 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
403 | The MNP child driver instance has been reset to\r | |
404 | startup defaults.\r | |
405 | @retval EFI_NOT_READY The transmit request could not be queued because\r | |
406 | the transmit queue is full.\r | |
407 | \r | |
408 | **/\r | |
409 | EFI_STATUS\r | |
410 | EFIAPI\r | |
411 | MnpTransmit (\r | |
412 | IN EFI_MANAGED_NETWORK_PROTOCOL *This,\r | |
413 | IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token\r | |
414 | )\r | |
415 | {\r | |
416 | EFI_STATUS Status;\r | |
417 | MNP_INSTANCE_DATA *Instance;\r | |
418 | MNP_SERVICE_DATA *MnpServiceData;\r | |
419 | UINT8 *PktBuf;\r | |
420 | UINT32 PktLen;\r | |
421 | EFI_TPL OldTpl;\r | |
422 | \r | |
423 | if ((This == NULL) || (Token == NULL)) {\r | |
424 | \r | |
425 | return EFI_INVALID_PARAMETER;\r | |
426 | }\r | |
427 | \r | |
428 | Instance = MNP_INSTANCE_DATA_FROM_THIS (This);\r | |
429 | \r | |
e48e37fc | 430 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 431 | \r |
432 | if (!Instance->Configured) {\r | |
433 | \r | |
434 | Status = EFI_NOT_STARTED;\r | |
435 | goto ON_EXIT;\r | |
436 | }\r | |
437 | \r | |
438 | if (!MnpIsValidTxToken (Instance, Token)) {\r | |
439 | //\r | |
440 | // The Token is invalid.\r | |
441 | //\r | |
442 | Status = EFI_INVALID_PARAMETER;\r | |
443 | goto ON_EXIT;\r | |
444 | }\r | |
445 | \r | |
446 | MnpServiceData = Instance->MnpServiceData;\r | |
447 | NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);\r | |
448 | \r | |
449 | //\r | |
450 | // Build the tx packet\r | |
451 | //\r | |
452 | MnpBuildTxPacket (MnpServiceData, Token->Packet.TxData, &PktBuf, &PktLen);\r | |
453 | \r | |
454 | //\r | |
455 | // OK, send the packet synchronously.\r | |
456 | //\r | |
457 | Status = MnpSyncSendPacket (MnpServiceData, PktBuf, PktLen, Token);\r | |
458 | \r | |
459 | ON_EXIT:\r | |
e48e37fc | 460 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 461 | \r |
462 | return Status;\r | |
463 | }\r | |
464 | \r | |
465 | \r | |
466 | /**\r | |
467 | Place an asynchronous receiving request into the receiving queue.\r | |
468 | \r | |
469 | @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL\r | |
470 | instance.\r | |
471 | @param Token Pointer to a token associated with the receive\r | |
472 | data descriptor.\r | |
473 | \r | |
474 | @retval EFI_SUCCESS The receive completion token was cached.\r | |
475 | @retval EFI_NOT_STARTED This MNP child driver instance has not been\r | |
476 | configured.\r | |
477 | @retval EFI_INVALID_PARAMETER One or more parameter is invalid.\r | |
478 | @retval EFI_OUT_OF_RESOURCES The transmit data could not be queued due to a\r | |
479 | lack of system resources (usually memory).\r | |
480 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
481 | The MNP child driver instance has been reset to\r | |
482 | startup defaults.\r | |
483 | @retval EFI_ACCESS_DENIED The receive completion token was already in the\r | |
484 | receive queue.\r | |
485 | @retval EFI_NOT_READY The receive request could not be queued because\r | |
486 | the receive queue is full.\r | |
487 | \r | |
488 | **/\r | |
489 | EFI_STATUS\r | |
490 | EFIAPI\r | |
491 | MnpReceive (\r | |
492 | IN EFI_MANAGED_NETWORK_PROTOCOL *This,\r | |
493 | IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token\r | |
494 | )\r | |
495 | {\r | |
496 | EFI_STATUS Status;\r | |
497 | MNP_INSTANCE_DATA *Instance;\r | |
498 | EFI_TPL OldTpl;\r | |
499 | \r | |
500 | if ((This == NULL) || (Token == NULL) || (Token->Event == NULL)) {\r | |
501 | \r | |
502 | return EFI_INVALID_PARAMETER;\r | |
503 | }\r | |
504 | \r | |
505 | Instance = MNP_INSTANCE_DATA_FROM_THIS (This);\r | |
506 | \r | |
e48e37fc | 507 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 508 | \r |
509 | if (!Instance->Configured) {\r | |
510 | \r | |
511 | Status = EFI_NOT_STARTED;\r | |
512 | goto ON_EXIT;\r | |
513 | }\r | |
514 | \r | |
515 | //\r | |
516 | // Check whether this token(event) is already in the rx token queue.\r | |
517 | //\r | |
518 | Status = NetMapIterate (&Instance->RxTokenMap, MnpTokenExist, (VOID *) Token);\r | |
519 | if (EFI_ERROR (Status)) {\r | |
520 | \r | |
521 | goto ON_EXIT;\r | |
522 | }\r | |
523 | \r | |
524 | //\r | |
525 | // Insert the Token into the RxTokenMap.\r | |
526 | //\r | |
527 | Status = NetMapInsertTail (&Instance->RxTokenMap, (VOID *) Token, NULL);\r | |
528 | \r | |
529 | if (!EFI_ERROR (Status)) {\r | |
530 | //\r | |
531 | // Try to deliver any buffered packets.\r | |
532 | //\r | |
533 | Status = MnpInstanceDeliverPacket (Instance);\r | |
36ee91ca | 534 | \r |
535 | //\r | |
536 | // Dispatch the DPC queued by the NotifyFunction of Token->Event.\r | |
537 | //\r | |
538 | NetLibDispatchDpc ();\r | |
8a67d61d | 539 | }\r |
540 | \r | |
541 | ON_EXIT:\r | |
e48e37fc | 542 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 543 | \r |
544 | return Status;\r | |
545 | }\r | |
546 | \r | |
547 | \r | |
548 | /**\r | |
549 | Abort a pending transmit or receive request.\r | |
550 | \r | |
551 | @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL\r | |
552 | instance.\r | |
553 | @param Token Pointer to a token that has been issued by\r | |
554 | EFI_MANAGED_NETWORK_PROTOCOL.Transmit() or\r | |
555 | EFI_MANAGED_NETWORK_PROTOCOL.Receive(). If NULL,\r | |
556 | all pending tokens are aborted.\r | |
557 | \r | |
558 | @retval EFI_SUCCESS The asynchronous I/O request was aborted and\r | |
559 | Token->Event was signaled.\r | |
560 | @retval EFI_NOT_STARTED This MNP child driver instance has not been\r | |
561 | configured.\r | |
562 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
563 | @retval EFI_NOT_FOUND The asynchronous I/O request was not found in the\r | |
564 | transmit or receive queue. It has either completed\r | |
565 | or was not issued by Transmit() and Receive().\r | |
566 | \r | |
567 | **/\r | |
568 | EFI_STATUS\r | |
569 | EFIAPI\r | |
570 | MnpCancel (\r | |
571 | IN EFI_MANAGED_NETWORK_PROTOCOL *This,\r | |
572 | IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token OPTIONAL\r | |
573 | )\r | |
574 | {\r | |
575 | EFI_STATUS Status;\r | |
576 | MNP_INSTANCE_DATA *Instance;\r | |
577 | EFI_TPL OldTpl;\r | |
578 | \r | |
579 | if (This == NULL) {\r | |
580 | \r | |
581 | return EFI_INVALID_PARAMETER;\r | |
582 | }\r | |
583 | \r | |
584 | Instance = MNP_INSTANCE_DATA_FROM_THIS (This);\r | |
585 | \r | |
e48e37fc | 586 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 587 | \r |
588 | if (!Instance->Configured) {\r | |
589 | \r | |
590 | Status = EFI_NOT_STARTED;\r | |
591 | goto ON_EXIT;\r | |
592 | }\r | |
593 | \r | |
594 | //\r | |
595 | // Iterate the RxTokenMap to cancel the specified Token.\r | |
596 | //\r | |
597 | Status = NetMapIterate (&Instance->RxTokenMap, MnpCancelTokens, (VOID *) Token);\r | |
598 | \r | |
599 | if (Token != NULL) {\r | |
600 | \r | |
601 | Status = (Status == EFI_ABORTED) ? EFI_SUCCESS : EFI_NOT_FOUND;\r | |
602 | }\r | |
603 | \r | |
36ee91ca | 604 | //\r |
605 | // Dispatch the DPC queued by the NotifyFunction of the cancled token's events.\r | |
606 | //\r | |
607 | NetLibDispatchDpc ();\r | |
608 | \r | |
8a67d61d | 609 | ON_EXIT:\r |
e48e37fc | 610 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 611 | \r |
612 | return Status;\r | |
613 | }\r | |
614 | \r | |
615 | \r | |
616 | /**\r | |
617 | Poll the network interface to do transmit/receive work.\r | |
618 | \r | |
619 | @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL\r | |
620 | instance.\r | |
621 | \r | |
622 | @retval EFI_SUCCESS Incoming or outgoing data was processed.\r | |
623 | @retval EFI_NOT_STARTED This MNP child driver instance has not been\r | |
624 | configured.\r | |
625 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
626 | The MNP child driver instance has been reset to\r | |
627 | startup defaults.\r | |
628 | @retval EFI_NOT_READY No incoming or outgoing data was processed.\r | |
629 | @retval EFI_TIMEOUT Data was dropped out of the transmit and/or\r | |
630 | receive queue.\r | |
631 | \r | |
632 | **/\r | |
633 | EFI_STATUS\r | |
634 | EFIAPI\r | |
635 | MnpPoll (\r | |
636 | IN EFI_MANAGED_NETWORK_PROTOCOL *This\r | |
637 | )\r | |
638 | {\r | |
639 | EFI_STATUS Status;\r | |
640 | MNP_INSTANCE_DATA *Instance;\r | |
641 | EFI_TPL OldTpl;\r | |
642 | \r | |
643 | if (This == NULL) {\r | |
644 | return EFI_INVALID_PARAMETER;\r | |
645 | }\r | |
646 | \r | |
647 | Instance = MNP_INSTANCE_DATA_FROM_THIS (This);\r | |
648 | \r | |
e48e37fc | 649 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 650 | \r |
651 | if (!Instance->Configured) {\r | |
652 | Status = EFI_NOT_STARTED;\r | |
653 | goto ON_EXIT;\r | |
654 | }\r | |
655 | \r | |
656 | //\r | |
657 | // Try to receive packets.\r | |
658 | //\r | |
659 | Status = MnpReceivePacket (Instance->MnpServiceData);\r | |
660 | \r | |
36ee91ca | 661 | NetLibDispatchDpc ();\r |
662 | \r | |
8a67d61d | 663 | ON_EXIT:\r |
e48e37fc | 664 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 665 | \r |
666 | return Status;\r | |
667 | }\r | |
36ee91ca | 668 | \r |