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cbf316f2 | 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 | IpIo.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | The implementation of the IpIo layer.\r | |
19 | \r | |
20 | \r | |
21 | **/\r | |
22 | \r | |
23 | #include <PiDxe.h>\r | |
24 | \r | |
25 | #include <Protocol/Udp4.h>\r | |
26 | \r | |
27 | #include <Library/IpIoLib.h>\r | |
28 | #include <Library/BaseLib.h>\r | |
29 | #include <Library/DebugLib.h>\r | |
30 | #include <Library/UefiBootServicesTableLib.h>\r | |
31 | #include <Library/MemoryAllocationLib.h>\r | |
b61439a7 | 32 | #include <Library/BaseMemoryLib.h>\r |
cbf316f2 | 33 | \r |
34 | \r | |
35 | #define NET_PROTO_HDR(Buf, Type) ((Type *) ((Buf)->BlockOp[0].Head))\r | |
36 | #define ICMP_ERRLEN(IpHdr) \\r | |
37 | (sizeof(IP4_ICMP_HEAD) + EFI_IP4_HEADER_LEN(IpHdr) + 8)\r | |
38 | \r | |
e48e37fc | 39 | LIST_ENTRY mActiveIpIoList = {\r |
cbf316f2 | 40 | &mActiveIpIoList,\r |
41 | &mActiveIpIoList\r | |
42 | };\r | |
43 | \r | |
44 | EFI_IP4_CONFIG_DATA mIpIoDefaultIpConfigData = {\r | |
45 | EFI_IP_PROTO_UDP,\r | |
46 | FALSE,\r | |
47 | TRUE,\r | |
48 | FALSE,\r | |
49 | FALSE,\r | |
50 | FALSE,\r | |
84b5c78e | 51 | {{0, 0, 0, 0}},\r |
52 | {{0, 0, 0, 0}},\r | |
cbf316f2 | 53 | 0,\r |
54 | 255,\r | |
55 | FALSE,\r | |
56 | FALSE,\r | |
57 | 0,\r | |
58 | 0\r | |
59 | };\r | |
60 | \r | |
fe1e36e5 | 61 | ICMP_ERROR_INFO mIcmpErrMap[10] = {\r |
01750eb0 | 62 | {FALSE, TRUE},\r |
63 | {FALSE, TRUE},\r | |
64 | {TRUE, TRUE},\r | |
65 | {TRUE, TRUE},\r | |
66 | {TRUE, TRUE},\r | |
67 | {FALSE, TRUE},\r | |
68 | {FALSE, TRUE},\r | |
69 | {FALSE, TRUE},\r | |
70 | {FALSE, FALSE},\r | |
71 | {FALSE, TRUE}\r | |
72 | };\r | |
73 | \r | |
36ee91ca | 74 | VOID\r |
75 | EFIAPI\r | |
76 | IpIoTransmitHandlerDpc (\r | |
77 | IN VOID *Context\r | |
78 | );\r | |
79 | \r | |
cbf316f2 | 80 | VOID\r |
81 | EFIAPI\r | |
82 | IpIoTransmitHandler (\r | |
83 | IN EFI_EVENT Event,\r | |
84 | IN VOID *Context\r | |
85 | );\r | |
86 | \r | |
87 | \r | |
88 | /**\r | |
e6ff63a5 | 89 | This function create an IP child, open the IP protocol and return the opened\r |
90 | IP protocol as Interface.\r | |
cbf316f2 | 91 | \r |
92 | @param ControllerHandle The controller handle.\r | |
93 | @param ImageHandle The image handle.\r | |
e6ff63a5 | 94 | @param ChildHandle Pointer to the buffer to save the IP child handle.\r |
95 | @param Interface Pointer used to get the IP protocol interface.\r | |
cbf316f2 | 96 | \r |
e6ff63a5 | 97 | @retval EFI_SUCCESS The IP child is created and the IP protocol\r |
cbf316f2 | 98 | interface is retrieved.\r |
e6ff63a5 | 99 | @retval Other The required operation failed.\r |
cbf316f2 | 100 | \r |
101 | **/\r | |
cbf316f2 | 102 | EFI_STATUS\r |
103 | IpIoCreateIpChildOpenProtocol (\r | |
104 | IN EFI_HANDLE ControllerHandle,\r | |
105 | IN EFI_HANDLE ImageHandle,\r | |
106 | IN EFI_HANDLE *ChildHandle,\r | |
107 | OUT VOID **Interface\r | |
108 | )\r | |
109 | {\r | |
110 | EFI_STATUS Status;\r | |
111 | \r | |
112 | //\r | |
113 | // Create an ip child.\r | |
114 | //\r | |
115 | Status = NetLibCreateServiceChild (\r | |
116 | ControllerHandle,\r | |
117 | ImageHandle,\r | |
118 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
119 | ChildHandle\r | |
120 | );\r | |
121 | if (EFI_ERROR (Status)) {\r | |
122 | return Status;\r | |
123 | }\r | |
124 | \r | |
125 | //\r | |
126 | // Open the ip protocol installed on the *ChildHandle.\r | |
127 | //\r | |
128 | Status = gBS->OpenProtocol (\r | |
129 | *ChildHandle,\r | |
130 | &gEfiIp4ProtocolGuid,\r | |
131 | Interface,\r | |
132 | ImageHandle,\r | |
133 | ControllerHandle,\r | |
134 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
135 | );\r | |
136 | if (EFI_ERROR (Status)) {\r | |
137 | //\r | |
138 | // On failure, destroy the ip child.\r | |
139 | //\r | |
140 | NetLibDestroyServiceChild (\r | |
141 | ControllerHandle,\r | |
142 | ImageHandle,\r | |
143 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
144 | *ChildHandle\r | |
145 | );\r | |
146 | }\r | |
147 | \r | |
148 | return Status;\r | |
149 | }\r | |
150 | \r | |
151 | \r | |
152 | /**\r | |
e6ff63a5 | 153 | This function close the previously openned IP protocol and destroy the IP child.\r |
cbf316f2 | 154 | \r |
155 | @param ControllerHandle The controller handle.\r | |
156 | @param ImageHandle the image handle.\r | |
e6ff63a5 | 157 | @param ChildHandle The child handle of the IP child.\r |
cbf316f2 | 158 | \r |
e6ff63a5 | 159 | @retval EFI_SUCCESS The IP protocol is closed and the relevant IP child\r |
cbf316f2 | 160 | is destroyed.\r |
e6ff63a5 | 161 | @retval Other The required operation failed.\r |
cbf316f2 | 162 | \r |
163 | **/\r | |
cbf316f2 | 164 | EFI_STATUS\r |
165 | IpIoCloseProtocolDestroyIpChild (\r | |
166 | IN EFI_HANDLE ControllerHandle,\r | |
167 | IN EFI_HANDLE ImageHandle,\r | |
168 | IN EFI_HANDLE ChildHandle\r | |
169 | )\r | |
170 | {\r | |
171 | EFI_STATUS Status;\r | |
172 | \r | |
173 | //\r | |
174 | // Close the previously openned ip protocol.\r | |
175 | //\r | |
176 | gBS->CloseProtocol (\r | |
177 | ChildHandle,\r | |
178 | &gEfiIp4ProtocolGuid,\r | |
179 | ImageHandle,\r | |
180 | ControllerHandle\r | |
181 | );\r | |
182 | \r | |
183 | //\r | |
184 | // Destroy the ip child.\r | |
185 | //\r | |
186 | Status = NetLibDestroyServiceChild (\r | |
187 | ControllerHandle,\r | |
188 | ImageHandle,\r | |
189 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
190 | ChildHandle\r | |
191 | );\r | |
192 | \r | |
193 | return Status;\r | |
194 | }\r | |
195 | \r | |
196 | \r | |
197 | /**\r | |
e6ff63a5 | 198 | This function handles ICMP packets.\r |
cbf316f2 | 199 | \r |
200 | @param IpIo Pointer to the IP_IO instance.\r | |
201 | @param Pkt Pointer to the ICMP packet.\r | |
202 | @param Session Pointer to the net session of this ICMP packet.\r | |
203 | \r | |
204 | @retval EFI_SUCCESS The ICMP packet is handled successfully.\r | |
205 | @retval EFI_ABORTED This type of ICMP packet is not supported.\r | |
206 | \r | |
207 | **/\r | |
cbf316f2 | 208 | EFI_STATUS\r |
209 | IpIoIcmpHandler (\r | |
210 | IN IP_IO *IpIo,\r | |
211 | IN NET_BUF *Pkt,\r | |
212 | IN EFI_NET_SESSION_DATA *Session\r | |
213 | )\r | |
214 | {\r | |
215 | IP4_ICMP_ERROR_HEAD *IcmpHdr;\r | |
216 | EFI_IP4_HEADER *IpHdr;\r | |
217 | ICMP_ERROR IcmpErr;\r | |
218 | UINT8 *PayLoadHdr;\r | |
219 | UINT8 Type;\r | |
220 | UINT8 Code;\r | |
221 | UINT32 TrimBytes;\r | |
222 | \r | |
223 | IcmpHdr = NET_PROTO_HDR (Pkt, IP4_ICMP_ERROR_HEAD);\r | |
224 | IpHdr = (EFI_IP4_HEADER *) (&IcmpHdr->IpHead);\r | |
225 | \r | |
226 | //\r | |
227 | // Check the ICMP packet length.\r | |
228 | //\r | |
229 | if (Pkt->TotalSize < ICMP_ERRLEN (IpHdr)) {\r | |
230 | \r | |
231 | return EFI_ABORTED;\r | |
232 | }\r | |
233 | \r | |
234 | Type = IcmpHdr->Head.Type;\r | |
235 | Code = IcmpHdr->Head.Code;\r | |
236 | \r | |
237 | //\r | |
238 | // Analyze the ICMP Error in this ICMP pkt\r | |
239 | //\r | |
240 | switch (Type) {\r | |
241 | case ICMP_TYPE_UNREACH:\r | |
242 | switch (Code) {\r | |
243 | case ICMP_CODE_UNREACH_NET:\r | |
244 | case ICMP_CODE_UNREACH_HOST:\r | |
245 | case ICMP_CODE_UNREACH_PROTOCOL:\r | |
246 | case ICMP_CODE_UNREACH_PORT:\r | |
247 | case ICMP_CODE_UNREACH_SRCFAIL:\r | |
4eb65aff | 248 | IcmpErr = (ICMP_ERROR) (ICMP_ERR_UNREACH_NET + Code);\r |
cbf316f2 | 249 | \r |
250 | break;\r | |
251 | \r | |
252 | case ICMP_CODE_UNREACH_NEEDFRAG:\r | |
253 | IcmpErr = ICMP_ERR_MSGSIZE;\r | |
254 | \r | |
255 | break;\r | |
256 | \r | |
257 | case ICMP_CODE_UNREACH_NET_UNKNOWN:\r | |
258 | case ICMP_CODE_UNREACH_NET_PROHIB:\r | |
259 | case ICMP_CODE_UNREACH_TOSNET:\r | |
260 | IcmpErr = ICMP_ERR_UNREACH_NET;\r | |
261 | \r | |
262 | break;\r | |
263 | \r | |
264 | case ICMP_CODE_UNREACH_HOST_UNKNOWN:\r | |
265 | case ICMP_CODE_UNREACH_ISOLATED:\r | |
266 | case ICMP_CODE_UNREACH_HOST_PROHIB:\r | |
267 | case ICMP_CODE_UNREACH_TOSHOST:\r | |
268 | IcmpErr = ICMP_ERR_UNREACH_HOST;\r | |
269 | \r | |
270 | break;\r | |
271 | \r | |
272 | default:\r | |
273 | return EFI_ABORTED;\r | |
274 | \r | |
275 | break;\r | |
276 | }\r | |
277 | \r | |
278 | break;\r | |
279 | \r | |
280 | case ICMP_TYPE_TIMXCEED:\r | |
281 | if (Code > 1) {\r | |
282 | return EFI_ABORTED;\r | |
283 | }\r | |
284 | \r | |
4eb65aff | 285 | IcmpErr = (ICMP_ERROR) (Code + ICMP_ERR_TIMXCEED_INTRANS);\r |
cbf316f2 | 286 | \r |
287 | break;\r | |
288 | \r | |
289 | case ICMP_TYPE_PARAMPROB:\r | |
290 | if (Code > 1) {\r | |
291 | return EFI_ABORTED;\r | |
292 | }\r | |
293 | \r | |
294 | IcmpErr = ICMP_ERR_PARAMPROB;\r | |
295 | \r | |
296 | break;\r | |
297 | \r | |
298 | case ICMP_TYPE_SOURCEQUENCH:\r | |
299 | if (Code != 0) {\r | |
300 | return EFI_ABORTED;\r | |
301 | }\r | |
302 | \r | |
303 | IcmpErr = ICMP_ERR_QUENCH;\r | |
304 | \r | |
305 | break;\r | |
306 | \r | |
307 | default:\r | |
308 | return EFI_ABORTED;\r | |
309 | \r | |
310 | break;\r | |
311 | }\r | |
312 | \r | |
313 | //\r | |
314 | // Notify user the ICMP pkt only containing payload except\r | |
315 | // IP and ICMP header\r | |
316 | //\r | |
317 | PayLoadHdr = (UINT8 *) ((UINT8 *) IpHdr + EFI_IP4_HEADER_LEN (IpHdr));\r | |
318 | TrimBytes = (UINT32) (PayLoadHdr - (UINT8 *) IcmpHdr);\r | |
319 | \r | |
320 | NetbufTrim (Pkt, TrimBytes, TRUE);\r | |
321 | \r | |
322 | IpIo->PktRcvdNotify (EFI_ICMP_ERROR, IcmpErr, Session, Pkt, IpIo->RcvdContext);\r | |
323 | \r | |
324 | return EFI_SUCCESS;\r | |
325 | }\r | |
326 | \r | |
327 | \r | |
328 | /**\r | |
e6ff63a5 | 329 | Free function for receive token of IP_IO. It is used to\r |
cbf316f2 | 330 | signal the recycle event to notify IP to recycle the\r |
331 | data buffer.\r | |
332 | \r | |
333 | @param Event The event to be signaled.\r | |
334 | \r | |
cbf316f2 | 335 | **/\r |
cbf316f2 | 336 | VOID\r |
337 | IpIoExtFree (\r | |
338 | IN VOID *Event\r | |
339 | )\r | |
340 | {\r | |
341 | gBS->SignalEvent ((EFI_EVENT) Event);\r | |
342 | }\r | |
343 | \r | |
344 | \r | |
345 | /**\r | |
346 | Create a send entry to wrap a packet before sending\r | |
347 | out it through IP.\r | |
348 | \r | |
349 | @param IpIo Pointer to the IP_IO instance.\r | |
350 | @param Pkt Pointer to the packet.\r | |
351 | @param Sender Pointer to the IP sender.\r | |
352 | @param NotifyData Pointer to the notify data.\r | |
353 | @param Dest Pointer to the destination IP address.\r | |
354 | @param Override Pointer to the overriden IP_IO data.\r | |
355 | \r | |
356 | @return Pointer to the data structure created to wrap the packet. If NULL,\r | |
e6ff63a5 | 357 | resource limit occurred.\r |
cbf316f2 | 358 | \r |
359 | **/\r | |
cbf316f2 | 360 | IP_IO_SEND_ENTRY *\r |
361 | IpIoCreateSndEntry (\r | |
362 | IN IP_IO *IpIo,\r | |
363 | IN NET_BUF *Pkt,\r | |
364 | IN EFI_IP4_PROTOCOL *Sender,\r | |
365 | IN VOID *Context OPTIONAL,\r | |
366 | IN VOID *NotifyData OPTIONAL,\r | |
367 | IN IP4_ADDR Dest,\r | |
368 | IN IP_IO_OVERRIDE *Override\r | |
369 | )\r | |
370 | {\r | |
371 | IP_IO_SEND_ENTRY *SndEntry;\r | |
372 | EFI_IP4_COMPLETION_TOKEN *SndToken;\r | |
373 | EFI_IP4_TRANSMIT_DATA *TxData;\r | |
374 | EFI_STATUS Status;\r | |
375 | EFI_IP4_OVERRIDE_DATA *OverrideData;\r | |
34edf2ae | 376 | volatile UINT32 Index;\r |
cbf316f2 | 377 | \r |
378 | //\r | |
379 | // Allocate resource for SndEntry\r | |
380 | //\r | |
e48e37fc | 381 | SndEntry = AllocatePool (sizeof (IP_IO_SEND_ENTRY));\r |
cbf316f2 | 382 | if (NULL == SndEntry) {\r |
383 | return NULL;\r | |
384 | }\r | |
385 | \r | |
386 | //\r | |
387 | // Allocate resource for SndToken\r | |
388 | //\r | |
e48e37fc | 389 | SndToken = AllocatePool (sizeof (EFI_IP4_COMPLETION_TOKEN));\r |
cbf316f2 | 390 | if (NULL == SndToken) {\r |
391 | goto ReleaseSndEntry;\r | |
392 | }\r | |
393 | \r | |
394 | Status = gBS->CreateEvent (\r | |
395 | EVT_NOTIFY_SIGNAL,\r | |
e48e37fc | 396 | TPL_NOTIFY,\r |
cbf316f2 | 397 | IpIoTransmitHandler,\r |
398 | SndEntry,\r | |
399 | &(SndToken->Event)\r | |
400 | );\r | |
401 | if (EFI_ERROR (Status)) {\r | |
402 | goto ReleaseSndToken;\r | |
403 | }\r | |
404 | \r | |
405 | //\r | |
406 | // Allocate resource for TxData\r | |
407 | //\r | |
e48e37fc | 408 | TxData = AllocatePool (\r |
cbf316f2 | 409 | sizeof (EFI_IP4_TRANSMIT_DATA) +\r |
410 | sizeof (EFI_IP4_FRAGMENT_DATA) * (Pkt->BlockOpNum - 1)\r | |
411 | );\r | |
412 | \r | |
413 | if (NULL == TxData) {\r | |
414 | goto ReleaseEvent;\r | |
415 | }\r | |
416 | \r | |
417 | //\r | |
418 | // Allocate resource for OverrideData if needed\r | |
419 | //\r | |
420 | OverrideData = NULL;\r | |
421 | if (NULL != Override) {\r | |
422 | \r | |
e48e37fc | 423 | OverrideData = AllocatePool (sizeof (EFI_IP4_OVERRIDE_DATA));\r |
cbf316f2 | 424 | if (NULL == OverrideData) {\r |
425 | goto ReleaseResource;\r | |
426 | }\r | |
427 | //\r | |
428 | // Set the fields of OverrideData\r | |
429 | //\r | |
36ee91ca | 430 | CopyMem (OverrideData, Override, sizeof (*OverrideData));\r |
cbf316f2 | 431 | }\r |
432 | \r | |
433 | //\r | |
434 | // Set the fields of TxData\r | |
435 | //\r | |
e48e37fc | 436 | CopyMem (&TxData->DestinationAddress, &Dest, sizeof (EFI_IPv4_ADDRESS));\r |
cbf316f2 | 437 | TxData->OverrideData = OverrideData;\r |
438 | TxData->OptionsLength = 0;\r | |
439 | TxData->OptionsBuffer = NULL;\r | |
440 | TxData->TotalDataLength = Pkt->TotalSize;\r | |
441 | TxData->FragmentCount = Pkt->BlockOpNum;\r | |
442 | \r | |
cbf316f2 | 443 | \r |
34edf2ae | 444 | for (Index = 0; Index < Pkt->BlockOpNum; Index++) {\r |
cbf316f2 | 445 | TxData->FragmentTable[Index].FragmentBuffer = Pkt->BlockOp[Index].Head;\r |
446 | TxData->FragmentTable[Index].FragmentLength = Pkt->BlockOp[Index].Size;\r | |
447 | }\r | |
448 | \r | |
449 | //\r | |
450 | // Set the fields of SndToken\r | |
451 | //\r | |
452 | SndToken->Packet.TxData = TxData;\r | |
453 | \r | |
454 | //\r | |
455 | // Set the fields of SndEntry\r | |
456 | //\r | |
457 | SndEntry->IpIo = IpIo;\r | |
458 | SndEntry->Ip = Sender;\r | |
459 | SndEntry->Context = Context;\r | |
460 | SndEntry->NotifyData = NotifyData;\r | |
461 | \r | |
462 | SndEntry->Pkt = Pkt;\r | |
463 | NET_GET_REF (Pkt);\r | |
464 | \r | |
465 | SndEntry->SndToken = SndToken;\r | |
466 | \r | |
e48e37fc | 467 | InsertTailList (&IpIo->PendingSndList, &SndEntry->Entry);\r |
cbf316f2 | 468 | \r |
469 | return SndEntry;\r | |
470 | \r | |
471 | ReleaseResource:\r | |
e48e37fc | 472 | gBS->FreePool (TxData);\r |
cbf316f2 | 473 | \r |
474 | ReleaseEvent:\r | |
475 | gBS->CloseEvent (SndToken->Event);\r | |
476 | \r | |
477 | ReleaseSndToken:\r | |
e48e37fc | 478 | gBS->FreePool (SndToken);\r |
cbf316f2 | 479 | \r |
480 | ReleaseSndEntry:\r | |
e48e37fc | 481 | gBS->FreePool (SndEntry);\r |
cbf316f2 | 482 | \r |
483 | return NULL;\r | |
484 | }\r | |
485 | \r | |
486 | \r | |
487 | /**\r | |
488 | Destroy the SndEntry.\r | |
e6ff63a5 | 489 | \r |
490 | This function pairs with IpIoCreateSndEntry().\r | |
cbf316f2 | 491 | \r |
492 | @param SndEntry Pointer to the send entry to be destroyed.\r | |
493 | \r | |
cbf316f2 | 494 | **/\r |
cbf316f2 | 495 | VOID\r |
496 | IpIoDestroySndEntry (\r | |
497 | IN IP_IO_SEND_ENTRY *SndEntry\r | |
498 | )\r | |
499 | {\r | |
500 | EFI_IP4_TRANSMIT_DATA *TxData;\r | |
501 | \r | |
502 | TxData = SndEntry->SndToken->Packet.TxData;\r | |
503 | \r | |
504 | if (NULL != TxData->OverrideData) {\r | |
e48e37fc | 505 | gBS->FreePool (TxData->OverrideData);\r |
cbf316f2 | 506 | }\r |
507 | \r | |
e48e37fc | 508 | gBS->FreePool (TxData);\r |
cbf316f2 | 509 | NetbufFree (SndEntry->Pkt);\r |
510 | gBS->CloseEvent (SndEntry->SndToken->Event);\r | |
511 | \r | |
e48e37fc | 512 | gBS->FreePool (SndEntry->SndToken);\r |
513 | RemoveEntryList (&SndEntry->Entry);\r | |
cbf316f2 | 514 | \r |
e48e37fc | 515 | gBS->FreePool (SndEntry);\r |
cbf316f2 | 516 | }\r |
517 | \r | |
518 | \r | |
519 | /**\r | |
520 | Notify function for IP transmit token.\r | |
521 | \r | |
cbf316f2 | 522 | @param Context The context passed in by the event notifier.\r |
523 | \r | |
cbf316f2 | 524 | **/\r |
cbf316f2 | 525 | VOID\r |
526 | EFIAPI\r | |
36ee91ca | 527 | IpIoTransmitHandlerDpc (\r |
cbf316f2 | 528 | IN VOID *Context\r |
529 | )\r | |
530 | {\r | |
531 | IP_IO *IpIo;\r | |
532 | IP_IO_SEND_ENTRY *SndEntry;\r | |
533 | \r | |
534 | SndEntry = (IP_IO_SEND_ENTRY *) Context;\r | |
535 | \r | |
536 | IpIo = SndEntry->IpIo;\r | |
537 | \r | |
538 | if (IpIo->PktSentNotify && SndEntry->NotifyData) {\r | |
539 | IpIo->PktSentNotify (\r | |
540 | SndEntry->SndToken->Status,\r | |
541 | SndEntry->Context,\r | |
542 | SndEntry->Ip,\r | |
543 | SndEntry->NotifyData\r | |
544 | );\r | |
545 | }\r | |
546 | \r | |
547 | IpIoDestroySndEntry (SndEntry);\r | |
548 | }\r | |
549 | \r | |
36ee91ca | 550 | /**\r |
551 | Notify function for IP transmit token.\r | |
552 | \r | |
553 | @param Event The event signaled.\r | |
554 | @param Context The context passed in by the event notifier.\r | |
555 | \r | |
36ee91ca | 556 | **/\r |
557 | \r | |
36ee91ca | 558 | VOID\r |
559 | EFIAPI\r | |
560 | IpIoTransmitHandler (\r | |
561 | IN EFI_EVENT Event,\r | |
562 | IN VOID *Context\r | |
563 | )\r | |
564 | {\r | |
565 | //\r | |
566 | // Request IpIoTransmitHandlerDpc as a DPC at TPL_CALLBACK\r | |
567 | //\r | |
568 | NetLibQueueDpc (TPL_CALLBACK, IpIoTransmitHandlerDpc, Context);\r | |
569 | }\r | |
570 | \r | |
cbf316f2 | 571 | \r |
572 | /**\r | |
573 | The dummy handler for the dummy IP receive token.\r | |
574 | \r | |
cbf316f2 | 575 | @param Context The context passed in by the event notifier.\r |
576 | \r | |
cbf316f2 | 577 | **/\r |
cbf316f2 | 578 | VOID\r |
579 | EFIAPI\r | |
36ee91ca | 580 | IpIoDummyHandlerDpc (\r |
cbf316f2 | 581 | IN VOID *Context\r |
582 | )\r | |
583 | {\r | |
584 | IP_IO_IP_INFO *IpInfo;\r | |
585 | EFI_IP4_COMPLETION_TOKEN *DummyToken;\r | |
586 | \r | |
cbf316f2 | 587 | IpInfo = (IP_IO_IP_INFO *) Context;\r |
588 | DummyToken = &(IpInfo->DummyRcvToken);\r | |
589 | \r | |
36ee91ca | 590 | if (EFI_ABORTED == DummyToken->Status) {\r |
591 | //\r | |
592 | // The reception is actively aborted by the consumer, directly return.\r | |
593 | //\r | |
594 | return;\r | |
595 | } else if (EFI_SUCCESS == DummyToken->Status) {\r | |
cbf316f2 | 596 | ASSERT (DummyToken->Packet.RxData);\r |
597 | \r | |
598 | gBS->SignalEvent (DummyToken->Packet.RxData->RecycleSignal);\r | |
599 | }\r | |
600 | \r | |
601 | IpInfo->Ip->Receive (IpInfo->Ip, DummyToken);\r | |
602 | }\r | |
603 | \r | |
604 | \r | |
605 | /**\r | |
36ee91ca | 606 | Request IpIoDummyHandlerDpc as a DPC at TPL_CALLBACK.\r |
cbf316f2 | 607 | \r |
608 | @param Event The event signaled.\r | |
609 | @param Context The context passed in by the event notifier.\r | |
610 | \r | |
cbf316f2 | 611 | **/\r |
cbf316f2 | 612 | VOID\r |
613 | EFIAPI\r | |
36ee91ca | 614 | IpIoDummyHandler (\r |
cbf316f2 | 615 | IN EFI_EVENT Event,\r |
616 | IN VOID *Context\r | |
617 | )\r | |
36ee91ca | 618 | {\r |
619 | //\r | |
620 | // Request IpIoDummyHandlerDpc as a DPC at TPL_CALLBACK\r | |
621 | //\r | |
622 | NetLibQueueDpc (TPL_CALLBACK, IpIoDummyHandlerDpc, Context);\r | |
623 | }\r | |
624 | \r | |
625 | \r | |
626 | /**\r | |
627 | Notify function for the IP receive token, used to process\r | |
628 | the received IP packets.\r | |
629 | \r | |
630 | @param Context The context passed in by the event notifier.\r | |
631 | \r | |
36ee91ca | 632 | **/\r |
36ee91ca | 633 | VOID\r |
634 | EFIAPI\r | |
635 | IpIoListenHandlerDpc (\r | |
636 | IN VOID *Context\r | |
637 | )\r | |
cbf316f2 | 638 | {\r |
639 | IP_IO *IpIo;\r | |
640 | EFI_STATUS Status;\r | |
641 | EFI_IP4_RECEIVE_DATA *RxData;\r | |
642 | EFI_IP4_PROTOCOL *Ip;\r | |
643 | EFI_NET_SESSION_DATA Session;\r | |
644 | NET_BUF *Pkt;\r | |
645 | \r | |
646 | IpIo = (IP_IO *) Context;\r | |
647 | \r | |
648 | Ip = IpIo->Ip;\r | |
649 | Status = IpIo->RcvToken.Status;\r | |
650 | RxData = IpIo->RcvToken.Packet.RxData;\r | |
651 | \r | |
36ee91ca | 652 | if (EFI_ABORTED == Status) {\r |
653 | //\r | |
654 | // The reception is actively aborted by the consumer, directly return.\r | |
655 | //\r | |
656 | return;\r | |
657 | }\r | |
658 | \r | |
cbf316f2 | 659 | if (((EFI_SUCCESS != Status) && (EFI_ICMP_ERROR != Status)) || (NULL == RxData)) {\r |
660 | //\r | |
661 | // Only process the normal packets and the icmp error packets, if RxData is NULL\r | |
662 | // with Status == EFI_SUCCESS or EFI_ICMP_ERROR, just resume the receive although\r | |
663 | // this should be a bug of the low layer (IP).\r | |
664 | //\r | |
665 | goto Resume;\r | |
666 | }\r | |
667 | \r | |
668 | if (NULL == IpIo->PktRcvdNotify) {\r | |
669 | goto CleanUp;\r | |
670 | }\r | |
671 | \r | |
672 | if ((EFI_IP4 (RxData->Header->SourceAddress) != 0) &&\r | |
673 | !Ip4IsUnicast (EFI_NTOHL (RxData->Header->SourceAddress), 0)) {\r | |
674 | //\r | |
675 | // The source address is not zero and it's not a unicast IP address, discard it.\r | |
676 | //\r | |
677 | goto CleanUp;\r | |
678 | }\r | |
679 | \r | |
680 | //\r | |
681 | // Create a netbuffer representing packet\r | |
682 | //\r | |
683 | Pkt = NetbufFromExt (\r | |
684 | (NET_FRAGMENT *) RxData->FragmentTable,\r | |
685 | RxData->FragmentCount,\r | |
686 | 0,\r | |
687 | 0,\r | |
688 | IpIoExtFree,\r | |
689 | RxData->RecycleSignal\r | |
690 | );\r | |
691 | if (NULL == Pkt) {\r | |
692 | goto CleanUp;\r | |
693 | }\r | |
694 | \r | |
695 | //\r | |
696 | // Create a net session\r | |
697 | //\r | |
698 | Session.Source = EFI_IP4 (RxData->Header->SourceAddress);\r | |
699 | Session.Dest = EFI_IP4 (RxData->Header->DestinationAddress);\r | |
700 | Session.IpHdr = RxData->Header;\r | |
701 | \r | |
702 | if (EFI_SUCCESS == Status) {\r | |
703 | \r | |
4eb65aff | 704 | IpIo->PktRcvdNotify (EFI_SUCCESS, (ICMP_ERROR) 0, &Session, Pkt, IpIo->RcvdContext);\r |
cbf316f2 | 705 | } else {\r |
706 | //\r | |
707 | // Status is EFI_ICMP_ERROR\r | |
708 | //\r | |
709 | Status = IpIoIcmpHandler (IpIo, Pkt, &Session);\r | |
710 | if (EFI_ERROR (Status)) {\r | |
711 | NetbufFree (Pkt);\r | |
712 | }\r | |
713 | }\r | |
714 | \r | |
715 | goto Resume;\r | |
716 | \r | |
717 | CleanUp:\r | |
718 | gBS->SignalEvent (RxData->RecycleSignal);\r | |
719 | \r | |
720 | Resume:\r | |
721 | Ip->Receive (Ip, &(IpIo->RcvToken));\r | |
722 | }\r | |
723 | \r | |
724 | \r | |
36ee91ca | 725 | /**\r |
726 | Request IpIoListenHandlerDpc as a DPC at TPL_CALLBACK\r | |
727 | \r | |
728 | @param Event The event signaled.\r | |
729 | @param Context The context passed in by the event notifier.\r | |
730 | \r | |
731 | @return None.\r | |
732 | \r | |
733 | **/\r | |
36ee91ca | 734 | VOID\r |
735 | EFIAPI\r | |
736 | IpIoListenHandler (\r | |
737 | IN EFI_EVENT Event,\r | |
738 | IN VOID *Context\r | |
739 | )\r | |
740 | {\r | |
741 | //\r | |
742 | // Request IpIoListenHandlerDpc as a DPC at TPL_CALLBACK\r | |
743 | //\r | |
744 | NetLibQueueDpc (TPL_CALLBACK, IpIoListenHandlerDpc, Context);\r | |
745 | }\r | |
746 | \r | |
747 | \r | |
cbf316f2 | 748 | /**\r |
749 | Create a new IP_IO instance.\r | |
e6ff63a5 | 750 | \r |
751 | This function uses IP4 service binding protocol in Controller to create an IP4\r | |
752 | child (aka IP4 instance).\r | |
cbf316f2 | 753 | \r |
e6ff63a5 | 754 | @param Image The image handle of the driver or application that\r |
755 | consumes IP_IO.\r | |
756 | @param Controller The controller handle that has IP4 service binding\r | |
757 | protocol installed.\r | |
cbf316f2 | 758 | \r |
e6ff63a5 | 759 | @return Pointer to a newly created IP_IO instance, or NULL if failed.\r |
cbf316f2 | 760 | \r |
761 | **/\r | |
762 | IP_IO *\r | |
7b414b4e | 763 | EFIAPI\r |
cbf316f2 | 764 | IpIoCreate (\r |
765 | IN EFI_HANDLE Image,\r | |
766 | IN EFI_HANDLE Controller\r | |
767 | )\r | |
768 | {\r | |
769 | EFI_STATUS Status;\r | |
770 | IP_IO *IpIo;\r | |
771 | \r | |
e48e37fc | 772 | IpIo = AllocateZeroPool (sizeof (IP_IO));\r |
cbf316f2 | 773 | if (NULL == IpIo) {\r |
774 | return NULL;\r | |
775 | }\r | |
776 | \r | |
e48e37fc | 777 | InitializeListHead (&(IpIo->PendingSndList));\r |
778 | InitializeListHead (&(IpIo->IpList));\r | |
cbf316f2 | 779 | IpIo->Controller = Controller;\r |
780 | IpIo->Image = Image;\r | |
781 | \r | |
782 | Status = gBS->CreateEvent (\r | |
783 | EVT_NOTIFY_SIGNAL,\r | |
e48e37fc | 784 | TPL_NOTIFY,\r |
cbf316f2 | 785 | IpIoListenHandler,\r |
786 | IpIo,\r | |
787 | &(IpIo->RcvToken.Event)\r | |
788 | );\r | |
789 | if (EFI_ERROR (Status)) {\r | |
790 | goto ReleaseIpIo;\r | |
791 | }\r | |
792 | \r | |
793 | //\r | |
794 | // Create an IP child and open IP protocol\r | |
795 | //\r | |
796 | Status = IpIoCreateIpChildOpenProtocol (\r | |
797 | Controller,\r | |
798 | Image,\r | |
799 | &IpIo->ChildHandle,\r | |
800 | (VOID **)&(IpIo->Ip)\r | |
801 | );\r | |
802 | if (EFI_ERROR (Status)) {\r | |
803 | goto ReleaseIpIo;\r | |
804 | }\r | |
805 | \r | |
806 | return IpIo;\r | |
807 | \r | |
808 | ReleaseIpIo:\r | |
809 | \r | |
810 | if (NULL != IpIo->RcvToken.Event) {\r | |
811 | gBS->CloseEvent (IpIo->RcvToken.Event);\r | |
812 | }\r | |
813 | \r | |
e48e37fc | 814 | gBS->FreePool (IpIo);\r |
cbf316f2 | 815 | \r |
816 | return NULL;\r | |
817 | }\r | |
818 | \r | |
819 | \r | |
820 | /**\r | |
821 | Open an IP_IO instance for use.\r | |
e6ff63a5 | 822 | \r |
823 | This function is called after IpIoCreate(). It is used for configuring the IP\r | |
824 | instance and register the callbacks and their context data for sending and\r | |
825 | receiving IP packets.\r | |
cbf316f2 | 826 | \r |
827 | @param IpIo Pointer to an IP_IO instance that needs to open.\r | |
e6ff63a5 | 828 | @param OpenData The configuration data and callbacks for the IP_IO\r |
829 | instance.\r | |
cbf316f2 | 830 | \r |
831 | @retval EFI_SUCCESS The IP_IO instance opened with OpenData\r | |
832 | successfully.\r | |
e6ff63a5 | 833 | @retval Other Error condition occurred.\r |
cbf316f2 | 834 | \r |
835 | **/\r | |
836 | EFI_STATUS\r | |
7b414b4e | 837 | EFIAPI\r |
cbf316f2 | 838 | IpIoOpen (\r |
839 | IN IP_IO *IpIo,\r | |
840 | IN IP_IO_OPEN_DATA *OpenData\r | |
841 | )\r | |
842 | {\r | |
843 | EFI_STATUS Status;\r | |
844 | EFI_IP4_PROTOCOL *Ip;\r | |
cbf316f2 | 845 | \r |
846 | if (IpIo->IsConfigured) {\r | |
847 | return EFI_ACCESS_DENIED;\r | |
848 | }\r | |
849 | \r | |
850 | Ip = IpIo->Ip;\r | |
851 | \r | |
852 | //\r | |
853 | // configure ip\r | |
854 | //\r | |
855 | Status = Ip->Configure (Ip, &OpenData->IpConfigData);\r | |
856 | if (EFI_ERROR (Status)) {\r | |
857 | return Status;\r | |
858 | }\r | |
859 | \r | |
860 | //\r | |
861 | // bugbug: to delete the default route entry in this Ip, if it is:\r | |
862 | // (0.0.0.0, 0.0.0.0, 0.0.0.0). Delete this statement if Ip modified\r | |
863 | // its code\r | |
864 | //\r | |
b61439a7 | 865 | Status = Ip->Routes (Ip, TRUE, &mZeroIp4Addr, &mZeroIp4Addr, &mZeroIp4Addr);\r |
cbf316f2 | 866 | \r |
867 | if (EFI_ERROR (Status) && (EFI_NOT_FOUND != Status)) {\r | |
868 | return Status;\r | |
869 | }\r | |
870 | \r | |
871 | IpIo->PktRcvdNotify = OpenData->PktRcvdNotify;\r | |
872 | IpIo->PktSentNotify = OpenData->PktSentNotify;\r | |
873 | \r | |
874 | IpIo->RcvdContext = OpenData->RcvdContext;\r | |
875 | IpIo->SndContext = OpenData->SndContext;\r | |
876 | \r | |
877 | IpIo->Protocol = OpenData->IpConfigData.DefaultProtocol;\r | |
878 | \r | |
879 | //\r | |
880 | // start to listen incoming packet\r | |
881 | //\r | |
882 | Status = Ip->Receive (Ip, &(IpIo->RcvToken));\r | |
883 | if (EFI_ERROR (Status)) {\r | |
884 | Ip->Configure (Ip, NULL);\r | |
885 | goto ErrorExit;\r | |
886 | }\r | |
887 | \r | |
888 | IpIo->IsConfigured = TRUE;\r | |
e48e37fc | 889 | InsertTailList (&mActiveIpIoList, &IpIo->Entry);\r |
cbf316f2 | 890 | \r |
891 | ErrorExit:\r | |
892 | \r | |
893 | return Status;\r | |
894 | }\r | |
895 | \r | |
896 | \r | |
897 | /**\r | |
898 | Stop an IP_IO instance.\r | |
e6ff63a5 | 899 | \r |
900 | This function is paired with IpIoOpen(). The IP_IO will be unconfigured and all\r | |
901 | the pending send/receive tokens will be canceled.\r | |
cbf316f2 | 902 | \r |
903 | @param IpIo Pointer to the IP_IO instance that needs to stop.\r | |
904 | \r | |
905 | @retval EFI_SUCCESS The IP_IO instance stopped successfully.\r | |
e6ff63a5 | 906 | @retval Other Error condition occurred.\r |
cbf316f2 | 907 | \r |
908 | **/\r | |
909 | EFI_STATUS\r | |
e6ff63a5 | 910 | EFIAPI\r |
cbf316f2 | 911 | IpIoStop (\r |
912 | IN IP_IO *IpIo\r | |
913 | )\r | |
914 | {\r | |
915 | EFI_STATUS Status;\r | |
916 | EFI_IP4_PROTOCOL *Ip;\r | |
917 | IP_IO_IP_INFO *IpInfo;\r | |
918 | \r | |
919 | if (!IpIo->IsConfigured) {\r | |
920 | return EFI_SUCCESS;\r | |
921 | }\r | |
922 | \r | |
923 | //\r | |
924 | // Remove the IpIo from the active IpIo list.\r | |
925 | //\r | |
e48e37fc | 926 | RemoveEntryList (&IpIo->Entry);\r |
cbf316f2 | 927 | \r |
928 | Ip = IpIo->Ip;\r | |
929 | \r | |
930 | //\r | |
931 | // Configure NULL Ip\r | |
932 | //\r | |
933 | Status = Ip->Configure (Ip, NULL);\r | |
934 | if (EFI_ERROR (Status)) {\r | |
935 | return Status;\r | |
936 | }\r | |
937 | \r | |
938 | IpIo->IsConfigured = FALSE;\r | |
939 | \r | |
940 | //\r | |
941 | // Detroy the Ip List used by IpIo\r | |
942 | //\r | |
34edf2ae | 943 | \r |
e48e37fc | 944 | while (!IsListEmpty (&(IpIo->IpList))) {\r |
cbf316f2 | 945 | IpInfo = NET_LIST_HEAD (&(IpIo->IpList), IP_IO_IP_INFO, Entry);\r |
946 | \r | |
947 | IpIoRemoveIp (IpIo, IpInfo);\r | |
948 | }\r | |
949 | \r | |
950 | //\r | |
951 | // All pending snd tokens should be flushed by reseting the IP instances.\r | |
952 | //\r | |
e48e37fc | 953 | ASSERT (IsListEmpty (&IpIo->PendingSndList));\r |
cbf316f2 | 954 | \r |
955 | //\r | |
956 | // Close the receive event.\r | |
957 | //\r | |
958 | gBS->CloseEvent (IpIo->RcvToken.Event);\r | |
959 | \r | |
960 | return EFI_SUCCESS;\r | |
961 | }\r | |
962 | \r | |
963 | \r | |
964 | /**\r | |
965 | Destroy an IP_IO instance.\r | |
e6ff63a5 | 966 | \r |
967 | This function is paired with IpIoCreate(). The IP_IO will be closed first.\r | |
968 | Resource will be freed afterwards. See IpIoClose().\r | |
cbf316f2 | 969 | \r |
e6ff63a5 | 970 | @param IpIo Pointer to the IP_IO instance that needs to be\r |
971 | destroyed.\r | |
cbf316f2 | 972 | \r |
973 | @retval EFI_SUCCESS The IP_IO instance destroyed successfully.\r | |
e6ff63a5 | 974 | @retval Other Error condition occurred.\r |
cbf316f2 | 975 | \r |
976 | **/\r | |
977 | EFI_STATUS\r | |
7b414b4e | 978 | EFIAPI\r |
cbf316f2 | 979 | IpIoDestroy (\r |
980 | IN IP_IO *IpIo\r | |
981 | )\r | |
982 | {\r | |
983 | //\r | |
984 | // Stop the IpIo.\r | |
985 | //\r | |
986 | IpIoStop (IpIo);\r | |
987 | \r | |
988 | //\r | |
989 | // Close the IP protocol and destroy the child.\r | |
990 | //\r | |
991 | IpIoCloseProtocolDestroyIpChild (IpIo->Controller, IpIo->Image, IpIo->ChildHandle);\r | |
992 | \r | |
e48e37fc | 993 | gBS->FreePool (IpIo);\r |
cbf316f2 | 994 | \r |
995 | return EFI_SUCCESS;\r | |
996 | }\r | |
997 | \r | |
998 | \r | |
999 | /**\r | |
1000 | Send out an IP packet.\r | |
e6ff63a5 | 1001 | \r |
1002 | This function is called after IpIoOpen(). The data to be sent are wrapped in\r | |
1003 | Pkt. The IP instance wrapped in IpIo is used for sending by default but can be\r | |
1004 | overriden by Sender. Other sending configs, like source address and gateway\r | |
1005 | address etc., are specified in OverrideData.\r | |
cbf316f2 | 1006 | \r |
1007 | @param IpIo Pointer to an IP_IO instance used for sending IP\r | |
1008 | packet.\r | |
1009 | @param Pkt Pointer to the IP packet to be sent.\r | |
1010 | @param Sender The IP protocol instance used for sending.\r | |
e6ff63a5 | 1011 | @param Context Optional context data\r |
1012 | @param NotifyData Optional notify data\r | |
cbf316f2 | 1013 | @param Dest The destination IP address to send this packet to.\r |
1014 | @param OverrideData The data to override some configuration of the IP\r | |
1015 | instance used for sending.\r | |
1016 | \r | |
1017 | @retval EFI_SUCCESS The operation is completed successfully.\r | |
1018 | @retval EFI_NOT_STARTED The IpIo is not configured.\r | |
1019 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r | |
1020 | \r | |
1021 | **/\r | |
1022 | EFI_STATUS\r | |
7b414b4e | 1023 | EFIAPI\r |
cbf316f2 | 1024 | IpIoSend (\r |
1025 | IN IP_IO *IpIo,\r | |
1026 | IN NET_BUF *Pkt,\r | |
e6ff63a5 | 1027 | IN IP_IO_IP_INFO *Sender OPTIONAL,\r |
1028 | IN VOID *Context OPTIONAL,\r | |
1029 | IN VOID *NotifyData OPTIONAL,\r | |
cbf316f2 | 1030 | IN IP4_ADDR Dest,\r |
e6ff63a5 | 1031 | IN IP_IO_OVERRIDE *OverrideData OPTIONAL\r |
cbf316f2 | 1032 | )\r |
1033 | {\r | |
1034 | EFI_STATUS Status;\r | |
1035 | EFI_IP4_PROTOCOL *Ip;\r | |
1036 | IP_IO_SEND_ENTRY *SndEntry;\r | |
1037 | \r | |
1038 | if (!IpIo->IsConfigured) {\r | |
1039 | return EFI_NOT_STARTED;\r | |
1040 | }\r | |
1041 | \r | |
1042 | Ip = (NULL == Sender) ? IpIo->Ip : Sender->Ip;\r | |
1043 | \r | |
1044 | //\r | |
1045 | // create a new SndEntry\r | |
1046 | //\r | |
1047 | SndEntry = IpIoCreateSndEntry (IpIo, Pkt, Ip, Context, NotifyData, Dest, OverrideData);\r | |
1048 | if (NULL == SndEntry) {\r | |
1049 | return EFI_OUT_OF_RESOURCES;\r | |
1050 | }\r | |
1051 | \r | |
1052 | //\r | |
1053 | // Send this Packet\r | |
1054 | //\r | |
1055 | Status = Ip->Transmit (Ip, SndEntry->SndToken);\r | |
1056 | if (EFI_ERROR (Status)) {\r | |
1057 | IpIoDestroySndEntry (SndEntry);\r | |
1058 | }\r | |
1059 | \r | |
1060 | return Status;\r | |
1061 | }\r | |
1062 | \r | |
1063 | \r | |
1064 | /**\r | |
1065 | Cancel the IP transmit token which wraps this Packet.\r | |
1066 | \r | |
1067 | @param IpIo Pointer to the IP_IO instance.\r | |
e6ff63a5 | 1068 | @param Packet Pointer to the packet of NET_BUF to cancel.\r |
cbf316f2 | 1069 | \r |
1070 | **/\r | |
1071 | VOID\r | |
7b414b4e | 1072 | EFIAPI\r |
cbf316f2 | 1073 | IpIoCancelTxToken (\r |
1074 | IN IP_IO *IpIo,\r | |
1075 | IN VOID *Packet\r | |
1076 | )\r | |
1077 | {\r | |
e48e37fc | 1078 | LIST_ENTRY *Node;\r |
cbf316f2 | 1079 | IP_IO_SEND_ENTRY *SndEntry;\r |
1080 | EFI_IP4_PROTOCOL *Ip;\r | |
1081 | \r | |
1082 | ASSERT (IpIo && Packet);\r | |
1083 | \r | |
1084 | NET_LIST_FOR_EACH (Node, &IpIo->PendingSndList) {\r | |
1085 | \r | |
1086 | SndEntry = NET_LIST_USER_STRUCT (Node, IP_IO_SEND_ENTRY, Entry);\r | |
1087 | \r | |
1088 | if (SndEntry->Pkt == Packet) {\r | |
1089 | \r | |
1090 | Ip = SndEntry->Ip;\r | |
1091 | Ip->Cancel (Ip, SndEntry->SndToken);\r | |
1092 | \r | |
cbf316f2 | 1093 | break;\r |
1094 | }\r | |
1095 | }\r | |
1096 | \r | |
1097 | }\r | |
1098 | \r | |
1099 | \r | |
1100 | /**\r | |
1101 | Add a new IP instance for sending data.\r | |
e6ff63a5 | 1102 | \r |
1103 | The function is used to add the IP_IO to the IP_IO sending list. The caller\r | |
1104 | can later use IpIoFindSender() to get the IP_IO and call IpIoSend() to send\r | |
1105 | data.\r | |
cbf316f2 | 1106 | \r |
1107 | @param IpIo Pointer to a IP_IO instance to add a new IP\r | |
1108 | instance for sending purpose.\r | |
1109 | \r | |
e6ff63a5 | 1110 | @return Pointer to the created IP_IO_IP_INFO structure, NULL if failed.\r |
cbf316f2 | 1111 | \r |
1112 | **/\r | |
1113 | IP_IO_IP_INFO *\r | |
7b414b4e | 1114 | EFIAPI\r |
cbf316f2 | 1115 | IpIoAddIp (\r |
1116 | IN IP_IO *IpIo\r | |
1117 | )\r | |
1118 | {\r | |
1119 | EFI_STATUS Status;\r | |
1120 | IP_IO_IP_INFO *IpInfo;\r | |
1121 | \r | |
1122 | ASSERT (IpIo);\r | |
1123 | \r | |
e48e37fc | 1124 | IpInfo = AllocatePool (sizeof (IP_IO_IP_INFO));\r |
cbf316f2 | 1125 | if (IpInfo == NULL) {\r |
1126 | return IpInfo;\r | |
1127 | }\r | |
1128 | \r | |
1129 | //\r | |
1130 | // Init this IpInfo, set the Addr and SubnetMask to 0 before we configure the IP\r | |
1131 | // instance.\r | |
1132 | //\r | |
e48e37fc | 1133 | InitializeListHead (&IpInfo->Entry);\r |
cbf316f2 | 1134 | IpInfo->ChildHandle = NULL;\r |
1135 | IpInfo->Addr = 0;\r | |
1136 | IpInfo->SubnetMask = 0;\r | |
1137 | IpInfo->RefCnt = 1;\r | |
1138 | \r | |
1139 | //\r | |
1140 | // Create the IP instance and open the Ip4 protocol.\r | |
1141 | //\r | |
1142 | Status = IpIoCreateIpChildOpenProtocol (\r | |
1143 | IpIo->Controller,\r | |
1144 | IpIo->Image,\r | |
1145 | &IpInfo->ChildHandle,\r | |
4eb65aff | 1146 | (VOID **) &IpInfo->Ip\r |
cbf316f2 | 1147 | );\r |
1148 | if (EFI_ERROR (Status)) {\r | |
1149 | goto ReleaseIpInfo;\r | |
1150 | }\r | |
1151 | \r | |
1152 | //\r | |
1153 | // Create the event for the DummyRcvToken.\r | |
1154 | //\r | |
1155 | Status = gBS->CreateEvent (\r | |
1156 | EVT_NOTIFY_SIGNAL,\r | |
e48e37fc | 1157 | TPL_NOTIFY,\r |
cbf316f2 | 1158 | IpIoDummyHandler,\r |
1159 | IpInfo,\r | |
1160 | &IpInfo->DummyRcvToken.Event\r | |
1161 | );\r | |
1162 | if (EFI_ERROR (Status)) {\r | |
1163 | goto ReleaseIpChild;\r | |
1164 | }\r | |
1165 | \r | |
1166 | //\r | |
1167 | // Link this IpInfo into the IpIo.\r | |
1168 | //\r | |
e48e37fc | 1169 | InsertTailList (&IpIo->IpList, &IpInfo->Entry);\r |
cbf316f2 | 1170 | \r |
1171 | return IpInfo;\r | |
1172 | \r | |
1173 | ReleaseIpChild:\r | |
1174 | \r | |
1175 | IpIoCloseProtocolDestroyIpChild (\r | |
1176 | IpIo->Controller,\r | |
1177 | IpIo->Image,\r | |
1178 | IpInfo->ChildHandle\r | |
1179 | );\r | |
1180 | \r | |
1181 | ReleaseIpInfo:\r | |
1182 | \r | |
e48e37fc | 1183 | gBS->FreePool (IpInfo);\r |
cbf316f2 | 1184 | \r |
1185 | return NULL;\r | |
1186 | }\r | |
1187 | \r | |
1188 | \r | |
1189 | /**\r | |
1190 | Configure the IP instance of this IpInfo and start the receiving if Ip4ConfigData\r | |
1191 | is not NULL.\r | |
1192 | \r | |
1193 | @param IpInfo Pointer to the IP_IO_IP_INFO instance.\r | |
e6ff63a5 | 1194 | @param Ip4ConfigData The IP4 configure data used to configure the IP\r |
1195 | instance, if NULL the IP instance is reset. If\r | |
cbf316f2 | 1196 | UseDefaultAddress is set to TRUE, and the configure\r |
1197 | operation succeeds, the default address information\r | |
1198 | is written back in this Ip4ConfigData.\r | |
1199 | \r | |
1200 | @retval EFI_STATUS The status returned by IP4->Configure or\r | |
1201 | IP4->Receive.\r | |
e6ff63a5 | 1202 | @retval Other Configuration fails.\r |
cbf316f2 | 1203 | \r |
1204 | **/\r | |
1205 | EFI_STATUS\r | |
7b414b4e | 1206 | EFIAPI\r |
cbf316f2 | 1207 | IpIoConfigIp (\r |
1208 | IN IP_IO_IP_INFO *IpInfo,\r | |
1209 | IN OUT EFI_IP4_CONFIG_DATA *Ip4ConfigData OPTIONAL\r | |
1210 | )\r | |
1211 | {\r | |
1212 | EFI_STATUS Status;\r | |
1213 | EFI_IP4_PROTOCOL *Ip;\r | |
1214 | EFI_IP4_MODE_DATA Ip4ModeData;\r | |
1215 | \r | |
1216 | ASSERT (IpInfo);\r | |
1217 | \r | |
1218 | if (IpInfo->RefCnt > 1) {\r | |
1219 | //\r | |
1220 | // This IP instance is shared, don't reconfigure it until it has only one\r | |
1221 | // consumer. Currently, only the tcp children cloned from their passive parent\r | |
1222 | // will share the same IP. So this cases only happens while Ip4ConfigData is NULL,\r | |
1223 | // let the last consumer clean the IP instance.\r | |
1224 | //\r | |
1225 | return EFI_SUCCESS;\r | |
1226 | }\r | |
1227 | \r | |
1228 | Ip = IpInfo->Ip;\r | |
1229 | \r | |
1230 | Status = Ip->Configure (Ip, Ip4ConfigData);\r | |
1231 | if (EFI_ERROR (Status)) {\r | |
1232 | goto OnExit;\r | |
1233 | }\r | |
1234 | \r | |
1235 | if (Ip4ConfigData != NULL) {\r | |
1236 | \r | |
1237 | if (Ip4ConfigData->UseDefaultAddress) {\r | |
1238 | Ip->GetModeData (Ip, &Ip4ModeData, NULL, NULL);\r | |
1239 | \r | |
1240 | Ip4ConfigData->StationAddress = Ip4ModeData.ConfigData.StationAddress;\r | |
1241 | Ip4ConfigData->SubnetMask = Ip4ModeData.ConfigData.SubnetMask;\r | |
1242 | }\r | |
1243 | \r | |
e48e37fc | 1244 | CopyMem (&IpInfo->Addr, &Ip4ConfigData->StationAddress, sizeof (IP4_ADDR));\r |
1245 | CopyMem (&IpInfo->SubnetMask, &Ip4ConfigData->SubnetMask, sizeof (IP4_ADDR));\r | |
cbf316f2 | 1246 | \r |
1247 | Status = Ip->Receive (Ip, &IpInfo->DummyRcvToken);\r | |
1248 | if (EFI_ERROR (Status)) {\r | |
1249 | Ip->Configure (Ip, NULL);\r | |
1250 | }\r | |
1251 | } else {\r | |
1252 | \r | |
1253 | //\r | |
1254 | // The IP instance is reseted, set the stored Addr and SubnetMask to zero.\r | |
1255 | //\r | |
1256 | IpInfo->Addr = 0;\r | |
1257 | IpInfo->SubnetMask =0;\r | |
1258 | }\r | |
1259 | \r | |
1260 | OnExit:\r | |
1261 | \r | |
1262 | return Status;\r | |
1263 | }\r | |
1264 | \r | |
1265 | \r | |
1266 | /**\r | |
1267 | Destroy an IP instance maintained in IpIo->IpList for\r | |
1268 | sending purpose.\r | |
e6ff63a5 | 1269 | \r |
1270 | This function pairs with IpIoAddIp(). The IpInfo is previously created by\r | |
1271 | IpIoAddIp(). The IP_IO_IP_INFO::RefCnt is decremented and the IP instance\r | |
1272 | will be dstroyed if the RefCnt is zero.\r | |
cbf316f2 | 1273 | \r |
1274 | @param IpIo Pointer to the IP_IO instance.\r | |
1275 | @param IpInfo Pointer to the IpInfo to be removed.\r | |
1276 | \r | |
cbf316f2 | 1277 | **/\r |
1278 | VOID\r | |
7b414b4e | 1279 | EFIAPI\r |
cbf316f2 | 1280 | IpIoRemoveIp (\r |
e6ff63a5 | 1281 | IN IP_IO *IpIo,\r |
1282 | IN IP_IO_IP_INFO *IpInfo\r | |
cbf316f2 | 1283 | )\r |
1284 | {\r | |
1285 | ASSERT (IpInfo->RefCnt > 0);\r | |
1286 | \r | |
1287 | NET_PUT_REF (IpInfo);\r | |
1288 | \r | |
1289 | if (IpInfo->RefCnt > 0) {\r | |
1290 | \r | |
1291 | return;\r | |
1292 | }\r | |
1293 | \r | |
e48e37fc | 1294 | RemoveEntryList (&IpInfo->Entry);\r |
cbf316f2 | 1295 | \r |
1296 | IpInfo->Ip->Configure (IpInfo->Ip, NULL);\r | |
1297 | \r | |
1298 | IpIoCloseProtocolDestroyIpChild (IpIo->Controller, IpIo->Image, IpInfo->ChildHandle);\r | |
1299 | \r | |
1300 | gBS->CloseEvent (IpInfo->DummyRcvToken.Event);\r | |
1301 | \r | |
e48e37fc | 1302 | gBS->FreePool (IpInfo);\r |
cbf316f2 | 1303 | }\r |
1304 | \r | |
1305 | \r | |
1306 | /**\r | |
1307 | Find the first IP protocol maintained in IpIo whose local\r | |
1308 | address is the same with Src.\r | |
e6ff63a5 | 1309 | \r |
1310 | This function is called when the caller needs the IpIo to send data to the\r | |
1311 | specified Src. The IpIo was added previously by IpIoAddIp().\r | |
cbf316f2 | 1312 | \r |
1313 | @param IpIo Pointer to the pointer of the IP_IO instance.\r | |
1314 | @param Src The local IP address.\r | |
1315 | \r | |
1316 | @return Pointer to the IP protocol can be used for sending purpose and its local\r | |
e6ff63a5 | 1317 | address is the same with Src.\r |
cbf316f2 | 1318 | \r |
1319 | **/\r | |
1320 | IP_IO_IP_INFO *\r | |
7b414b4e | 1321 | EFIAPI\r |
cbf316f2 | 1322 | IpIoFindSender (\r |
1323 | IN OUT IP_IO **IpIo,\r | |
1324 | IN IP4_ADDR Src\r | |
1325 | )\r | |
1326 | {\r | |
e48e37fc | 1327 | LIST_ENTRY *IpIoEntry;\r |
cbf316f2 | 1328 | IP_IO *IpIoPtr;\r |
e48e37fc | 1329 | LIST_ENTRY *IpInfoEntry;\r |
cbf316f2 | 1330 | IP_IO_IP_INFO *IpInfo;\r |
1331 | \r | |
1332 | NET_LIST_FOR_EACH (IpIoEntry, &mActiveIpIoList) {\r | |
1333 | IpIoPtr = NET_LIST_USER_STRUCT (IpIoEntry, IP_IO, Entry);\r | |
1334 | \r | |
1335 | if ((*IpIo != NULL) && (*IpIo != IpIoPtr)) {\r | |
1336 | continue;\r | |
1337 | }\r | |
1338 | \r | |
1339 | NET_LIST_FOR_EACH (IpInfoEntry, &IpIoPtr->IpList) {\r | |
1340 | IpInfo = NET_LIST_USER_STRUCT (IpInfoEntry, IP_IO_IP_INFO, Entry);\r | |
1341 | \r | |
1342 | if (IpInfo->Addr == Src) {\r | |
1343 | *IpIo = IpIoPtr;\r | |
1344 | return IpInfo;\r | |
1345 | }\r | |
1346 | }\r | |
1347 | }\r | |
1348 | \r | |
1349 | //\r | |
1350 | // No match.\r | |
1351 | //\r | |
1352 | return NULL;\r | |
1353 | }\r | |
1354 | \r | |
1355 | \r | |
1356 | /**\r | |
e6ff63a5 | 1357 | Get the ICMP error map information.\r |
1358 | \r | |
1359 | The ErrorStatus will be returned. The IsHard and Notify are optional. If they\r | |
1360 | are not NULL, this routine will fill them.\r | |
cbf316f2 | 1361 | \r |
1362 | @param IcmpError IcmpError Type\r | |
1363 | @param IsHard Whether it is a hard error\r | |
1364 | @param Notify Whether it need to notify SockError\r | |
1365 | \r | |
1366 | @return ICMP Error Status\r | |
1367 | \r | |
1368 | **/\r | |
1369 | EFI_STATUS\r | |
7b414b4e | 1370 | EFIAPI\r |
cbf316f2 | 1371 | IpIoGetIcmpErrStatus (\r |
1372 | IN ICMP_ERROR IcmpError,\r | |
e6ff63a5 | 1373 | OUT BOOLEAN *IsHard OPTIONAL,\r |
1374 | OUT BOOLEAN *Notify OPTIONAL\r | |
cbf316f2 | 1375 | )\r |
1376 | {\r | |
01750eb0 | 1377 | ASSERT ((IcmpError >= ICMP_ERR_UNREACH_NET) && (IcmpError <= ICMP_ERR_PARAMPROB));\r |
687a2e5f | 1378 | \r |
01750eb0 | 1379 | if (IsHard != NULL) {\r |
1380 | *IsHard = mIcmpErrMap[IcmpError].IsHard;\r | |
1381 | }\r | |
687a2e5f | 1382 | \r |
01750eb0 | 1383 | if (Notify != NULL) {\r |
1384 | *Notify = mIcmpErrMap[IcmpError].Notify;\r | |
1385 | }\r | |
687a2e5f | 1386 | \r |
01750eb0 | 1387 | switch (IcmpError) {\r |
1388 | case ICMP_ERR_UNREACH_NET:\r | |
1389 | return EFI_NETWORK_UNREACHABLE;\r | |
687a2e5f | 1390 | \r |
01750eb0 | 1391 | case ICMP_ERR_TIMXCEED_INTRANS:\r |
1392 | case ICMP_ERR_TIMXCEED_REASS:\r | |
1393 | case ICMP_ERR_UNREACH_HOST:\r | |
1394 | return EFI_HOST_UNREACHABLE;\r | |
cbf316f2 | 1395 | \r |
01750eb0 | 1396 | case ICMP_ERR_UNREACH_PROTOCOL:\r |
1397 | return EFI_PROTOCOL_UNREACHABLE;\r | |
cbf316f2 | 1398 | \r |
01750eb0 | 1399 | case ICMP_ERR_UNREACH_PORT:\r |
1400 | return EFI_PORT_UNREACHABLE;\r | |
cbf316f2 | 1401 | \r |
01750eb0 | 1402 | case ICMP_ERR_MSGSIZE:\r |
1403 | case ICMP_ERR_UNREACH_SRCFAIL:\r | |
1404 | case ICMP_ERR_QUENCH:\r | |
1405 | case ICMP_ERR_PARAMPROB:\r | |
1406 | return EFI_ICMP_ERROR;\r | |
cbf316f2 | 1407 | }\r |
1408 | \r | |
01750eb0 | 1409 | //\r |
1410 | // will never run here!\r | |
1411 | //\r | |
1412 | ASSERT (FALSE);\r | |
1413 | return EFI_UNSUPPORTED;\r | |
cbf316f2 | 1414 | }\r |
1415 | \r |