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cbf316f2 | 1 | /** @file\r |
9a3293ac | 2 | Help functions to access UDP service, it is used by both the DHCP and MTFTP.\r |
e2851998 | 3 | \r |
1b31acb6 | 4 | Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 5 | This program and the accompanying materials\r |
cbf316f2 | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
cab450cc | 7 | which accompanies this distribution. The full text of the license may be found at<BR>\r |
cbf316f2 | 8 | http://opensource.org/licenses/bsd-license.php\r |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
cbf316f2 | 12 | **/\r |
13 | \r | |
6c5dc2b0 | 14 | #include <Uefi.h>\r |
cbf316f2 | 15 | \r |
16 | #include <Protocol/Udp4.h>\r | |
b45b45b2 | 17 | #include <Protocol/Udp6.h>\r |
cbf316f2 | 18 | \r |
19 | #include <Library/UdpIoLib.h>\r | |
20 | #include <Library/BaseLib.h>\r | |
21 | #include <Library/DebugLib.h>\r | |
22 | #include <Library/UefiBootServicesTableLib.h>\r | |
23 | #include <Library/MemoryAllocationLib.h>\r | |
ba0f75a3 | 24 | #include <Library/BaseMemoryLib.h>\r |
d8d26fb2 | 25 | #include <Library/DpcLib.h>\r |
cbf316f2 | 26 | \r |
9a3293ac | 27 | \r |
28 | /**\r | |
cab450cc | 29 | Free a UDP_TX_TOKEN. The TX event is closed.\r |
9a3293ac | 30 | \r |
b45b45b2 | 31 | @param[in] TxToken The UDP_TX_TOKEN to release.\r |
9a3293ac | 32 | \r |
33 | **/\r | |
34 | VOID\r | |
35 | UdpIoFreeTxToken (\r | |
b45b45b2 | 36 | IN UDP_TX_TOKEN *TxToken\r |
9a3293ac | 37 | )\r |
38 | {\r | |
b45b45b2 | 39 | \r |
40 | if (TxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r | |
41 | gBS->CloseEvent (TxToken->Token.Udp4.Event);\r | |
42 | } else if (TxToken->UdpIo->UdpVersion == UDP_IO_UDP6_VERSION) {\r | |
43 | gBS->CloseEvent (TxToken->Token.Udp6.Event);\r | |
44 | } else {\r | |
45 | ASSERT (FALSE);\r | |
46 | }\r | |
e2851998 | 47 | \r |
b45b45b2 | 48 | FreePool (TxToken);\r |
9a3293ac | 49 | }\r |
50 | \r | |
51 | /**\r | |
cab450cc | 52 | Free a UDP_RX_TOKEN. The RX event is closed.\r |
9a3293ac | 53 | \r |
b45b45b2 | 54 | @param[in] RxToken The UDP_RX_TOKEN to release.\r |
9a3293ac | 55 | \r |
56 | **/\r | |
57 | VOID\r | |
58 | UdpIoFreeRxToken (\r | |
b45b45b2 | 59 | IN UDP_RX_TOKEN *RxToken\r |
9a3293ac | 60 | )\r |
61 | {\r | |
b45b45b2 | 62 | if (RxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r |
63 | gBS->CloseEvent (RxToken->Token.Udp4.Event);\r | |
64 | } else if (RxToken->UdpIo->UdpVersion == UDP_IO_UDP6_VERSION) {\r | |
65 | gBS->CloseEvent (RxToken->Token.Udp6.Event);\r | |
66 | } else {\r | |
67 | ASSERT (FALSE);\r | |
e2851998 | 68 | }\r |
b45b45b2 | 69 | \r |
70 | FreePool (RxToken);\r | |
9a3293ac | 71 | }\r |
72 | \r | |
73 | /**\r | |
74 | The callback function when the packet is sent by UDP.\r | |
e2851998 | 75 | \r |
9a3293ac | 76 | It will remove the packet from the local list then call\r |
cab450cc | 77 | the packet owner's callback function set by UdpIoSendDatagram.\r |
9a3293ac | 78 | \r |
8f5e6151 | 79 | @param[in] Context The UDP TX Token.\r |
9a3293ac | 80 | \r |
81 | **/\r | |
36ee91ca | 82 | VOID\r |
83 | EFIAPI\r | |
84 | UdpIoOnDgramSentDpc (\r | |
85 | IN VOID *Context\r | |
9a3293ac | 86 | )\r |
87 | {\r | |
b45b45b2 | 88 | UDP_TX_TOKEN *TxToken;\r |
9a3293ac | 89 | \r |
b45b45b2 | 90 | TxToken = (UDP_TX_TOKEN *) Context;\r |
91 | ASSERT (TxToken->Signature == UDP_IO_TX_SIGNATURE);\r | |
92 | ASSERT ((TxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) ||\r | |
93 | (TxToken->UdpIo->UdpVersion == UDP_IO_UDP6_VERSION));\r | |
e2851998 | 94 | \r |
b45b45b2 | 95 | RemoveEntryList (&TxToken->Link);\r |
9a3293ac | 96 | \r |
b45b45b2 | 97 | if (TxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r |
98 | TxToken->CallBack (TxToken->Packet, NULL, TxToken->Token.Udp4.Status, TxToken->Context);\r | |
99 | } else {\r | |
100 | TxToken->CallBack (TxToken->Packet, NULL, TxToken->Token.Udp6.Status, TxToken->Context);\r | |
101 | }\r | |
9a3293ac | 102 | \r |
b45b45b2 | 103 | UdpIoFreeTxToken (TxToken);\r |
9a3293ac | 104 | }\r |
105 | \r | |
106 | /**\r | |
107 | Request UdpIoOnDgramSentDpc as a DPC at TPL_CALLBACK.\r | |
e2851998 | 108 | \r |
8f5e6151 | 109 | @param[in] Event The event signaled.\r |
110 | @param[in] Context The UDP TX Token.\r | |
36ee91ca | 111 | \r |
9a3293ac | 112 | **/\r |
cbf316f2 | 113 | VOID\r |
114 | EFIAPI\r | |
115 | UdpIoOnDgramSent (\r | |
116 | IN EFI_EVENT Event,\r | |
117 | IN VOID *Context\r | |
9a3293ac | 118 | )\r |
119 | {\r | |
120 | //\r | |
121 | // Request UdpIoOnDgramSentDpc as a DPC at TPL_CALLBACK\r | |
122 | //\r | |
d8d26fb2 | 123 | QueueDpc (TPL_CALLBACK, UdpIoOnDgramSentDpc, Context);\r |
9a3293ac | 124 | }\r |
125 | \r | |
126 | /**\r | |
127 | Recycle the received UDP data.\r | |
128 | \r | |
8f5e6151 | 129 | @param[in] Context The UDP_RX_TOKEN.\r |
cbf316f2 | 130 | \r |
9a3293ac | 131 | **/\r |
132 | VOID\r | |
e798cd87 | 133 | EFIAPI\r |
9a3293ac | 134 | UdpIoRecycleDgram (\r |
135 | IN VOID *Context\r | |
136 | )\r | |
e2851998 | 137 | {\r |
b45b45b2 | 138 | UDP_RX_TOKEN *RxToken;\r |
139 | \r | |
140 | RxToken = (UDP_RX_TOKEN *) Context;\r | |
141 | \r | |
142 | if (RxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r | |
143 | gBS->SignalEvent (RxToken->Token.Udp4.Packet.RxData->RecycleSignal);\r | |
144 | } else if (RxToken->UdpIo->UdpVersion == UDP_IO_UDP6_VERSION) {\r | |
145 | gBS->SignalEvent (RxToken->Token.Udp6.Packet.RxData->RecycleSignal);\r | |
146 | } else {\r | |
147 | ASSERT (FALSE);\r | |
148 | }\r | |
9a3293ac | 149 | \r |
b45b45b2 | 150 | UdpIoFreeRxToken (RxToken);\r |
9a3293ac | 151 | }\r |
152 | \r | |
153 | /**\r | |
cab450cc | 154 | The event handle for UDP receive request.\r |
e2851998 | 155 | \r |
cab450cc | 156 | It will build a NET_BUF from the recieved UDP data, then deliver it\r |
9a3293ac | 157 | to the receiver.\r |
158 | \r | |
8f5e6151 | 159 | @param[in] Context The UDP RX token.\r |
9a3293ac | 160 | \r |
161 | **/\r | |
162 | VOID\r | |
163 | EFIAPI\r | |
164 | UdpIoOnDgramRcvdDpc (\r | |
165 | IN VOID *Context\r | |
166 | )\r | |
167 | {\r | |
b45b45b2 | 168 | EFI_STATUS Status;\r |
169 | VOID *Token;\r | |
170 | VOID *RxData;\r | |
171 | VOID *Session;\r | |
172 | UDP_RX_TOKEN *RxToken;\r | |
173 | UDP_END_POINT EndPoint;\r | |
9a3293ac | 174 | NET_BUF *Netbuf;\r |
175 | \r | |
b45b45b2 | 176 | RxToken = (UDP_RX_TOKEN *) Context;\r |
9a3293ac | 177 | \r |
b45b45b2 | 178 | ZeroMem (&EndPoint, sizeof(UDP_END_POINT));\r |
179 | \r | |
e2851998 | 180 | ASSERT ((RxToken->Signature == UDP_IO_RX_SIGNATURE) &&\r |
b45b45b2 | 181 | (RxToken == RxToken->UdpIo->RecvRequest));\r |
182 | \r | |
183 | ASSERT ((RxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) ||\r | |
184 | (RxToken->UdpIo->UdpVersion == UDP_IO_UDP6_VERSION));\r | |
9a3293ac | 185 | \r |
186 | //\r | |
187 | // Clear the receive request first in case that the caller\r | |
188 | // wants to restart the receive in the callback.\r | |
189 | //\r | |
b45b45b2 | 190 | RxToken->UdpIo->RecvRequest = NULL;\r |
191 | \r | |
192 | if (RxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r | |
193 | Token = &RxToken->Token.Udp4;\r | |
194 | RxData = ((EFI_UDP4_COMPLETION_TOKEN *) Token)->Packet.RxData;\r | |
195 | Status = ((EFI_UDP4_COMPLETION_TOKEN *) Token)->Status;\r | |
196 | } else {\r | |
197 | Token = &RxToken->Token.Udp6;\r | |
198 | RxData = ((EFI_UDP6_COMPLETION_TOKEN *) Token)->Packet.RxData;\r | |
199 | Status = ((EFI_UDP6_COMPLETION_TOKEN *) Token)->Status;\r | |
200 | }\r | |
9a3293ac | 201 | \r |
b45b45b2 | 202 | if (EFI_ERROR (Status) || RxData == NULL) {\r |
203 | if (Status != EFI_ABORTED) {\r | |
9a3293ac | 204 | //\r |
205 | // Invoke the CallBack only if the reception is not actively aborted.\r | |
206 | //\r | |
b45b45b2 | 207 | RxToken->CallBack (NULL, NULL, Status, RxToken->Context);\r |
9a3293ac | 208 | }\r |
209 | \r | |
b45b45b2 | 210 | UdpIoFreeRxToken (RxToken);\r |
9a3293ac | 211 | return;\r |
212 | }\r | |
213 | \r | |
214 | //\r | |
215 | // Build a NET_BUF from the UDP receive data, then deliver it up.\r | |
216 | //\r | |
b45b45b2 | 217 | if (RxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r |
1b31acb6 FS |
218 | if (((EFI_UDP4_RECEIVE_DATA *) RxData)->DataLength == 0) {\r |
219 | //\r | |
220 | // Discard zero length data payload packet.\r | |
221 | //\r | |
222 | goto Resume;\r | |
223 | }\r | |
e2851998 | 224 | \r |
b45b45b2 | 225 | Netbuf = NetbufFromExt (\r |
226 | (NET_FRAGMENT *)((EFI_UDP4_RECEIVE_DATA *) RxData)->FragmentTable,\r | |
227 | ((EFI_UDP4_RECEIVE_DATA *) RxData)->FragmentCount,\r | |
228 | 0,\r | |
229 | (UINT32) RxToken->HeadLen,\r | |
230 | UdpIoRecycleDgram,\r | |
231 | RxToken\r | |
232 | );\r | |
233 | \r | |
234 | if (Netbuf == NULL) {\r | |
235 | gBS->SignalEvent (((EFI_UDP4_RECEIVE_DATA *) RxData)->RecycleSignal);\r | |
236 | RxToken->CallBack (NULL, NULL, EFI_OUT_OF_RESOURCES, RxToken->Context);\r | |
237 | \r | |
238 | UdpIoFreeRxToken (RxToken);\r | |
239 | return;\r | |
240 | }\r | |
9a3293ac | 241 | \r |
b45b45b2 | 242 | Session = &((EFI_UDP4_RECEIVE_DATA *) RxData)->UdpSession;\r |
243 | EndPoint.LocalPort = ((EFI_UDP4_SESSION_DATA *) Session)->DestinationPort;\r | |
244 | EndPoint.RemotePort = ((EFI_UDP4_SESSION_DATA *) Session)->SourcePort;\r | |
245 | \r | |
246 | CopyMem (\r | |
247 | &EndPoint.LocalAddr,\r | |
248 | &((EFI_UDP4_SESSION_DATA *) Session)->DestinationAddress,\r | |
249 | sizeof (EFI_IPv4_ADDRESS)\r | |
250 | );\r | |
251 | \r | |
252 | CopyMem (\r | |
253 | &EndPoint.RemoteAddr,\r | |
254 | &((EFI_UDP4_SESSION_DATA *) Session)->SourceAddress,\r | |
255 | sizeof (EFI_IPv4_ADDRESS)\r | |
256 | );\r | |
257 | \r | |
258 | EndPoint.LocalAddr.Addr[0] = NTOHL (EndPoint.LocalAddr.Addr[0]);\r | |
259 | EndPoint.RemoteAddr.Addr[0] = NTOHL (EndPoint.RemoteAddr.Addr[0]);\r | |
260 | } else {\r | |
1b31acb6 FS |
261 | if (((EFI_UDP6_RECEIVE_DATA *) RxData)->DataLength == 0) {\r |
262 | //\r | |
263 | // Discard zero length data payload packet.\r | |
264 | //\r | |
265 | goto Resume;\r | |
266 | }\r | |
e2851998 | 267 | \r |
b45b45b2 | 268 | Netbuf = NetbufFromExt (\r |
269 | (NET_FRAGMENT *)((EFI_UDP6_RECEIVE_DATA *) RxData)->FragmentTable,\r | |
270 | ((EFI_UDP6_RECEIVE_DATA *) RxData)->FragmentCount,\r | |
271 | 0,\r | |
272 | (UINT32) RxToken->HeadLen,\r | |
273 | UdpIoRecycleDgram,\r | |
274 | RxToken\r | |
275 | );\r | |
e2851998 | 276 | \r |
b45b45b2 | 277 | if (Netbuf == NULL) {\r |
278 | gBS->SignalEvent (((EFI_UDP6_RECEIVE_DATA *) RxData)->RecycleSignal);\r | |
279 | RxToken->CallBack (NULL, NULL, EFI_OUT_OF_RESOURCES, RxToken->Context);\r | |
e2851998 | 280 | \r |
b45b45b2 | 281 | UdpIoFreeRxToken (RxToken);\r |
282 | return;\r | |
283 | }\r | |
e2851998 | 284 | \r |
b45b45b2 | 285 | Session = &((EFI_UDP6_RECEIVE_DATA *) RxData)->UdpSession;\r |
286 | EndPoint.LocalPort = ((EFI_UDP6_SESSION_DATA *) Session)->DestinationPort;\r | |
287 | EndPoint.RemotePort = ((EFI_UDP6_SESSION_DATA *) Session)->SourcePort;\r | |
e2851998 | 288 | \r |
b45b45b2 | 289 | CopyMem (\r |
290 | &EndPoint.LocalAddr,\r | |
291 | &((EFI_UDP6_SESSION_DATA *) Session)->DestinationAddress,\r | |
292 | sizeof (EFI_IPv6_ADDRESS)\r | |
293 | );\r | |
294 | \r | |
295 | CopyMem (\r | |
296 | &EndPoint.RemoteAddr,\r | |
297 | &((EFI_UDP6_SESSION_DATA *) Session)->SourceAddress,\r | |
298 | sizeof (EFI_IPv6_ADDRESS)\r | |
299 | );\r | |
300 | \r | |
301 | Ip6Swap128 (&EndPoint.LocalAddr.v6);\r | |
302 | Ip6Swap128 (&EndPoint.RemoteAddr.v6);\r | |
303 | }\r | |
9a3293ac | 304 | \r |
b45b45b2 | 305 | RxToken->CallBack (Netbuf, &EndPoint, EFI_SUCCESS, RxToken->Context);\r |
1b31acb6 FS |
306 | \r |
307 | Resume:\r | |
308 | if (RxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r | |
309 | gBS->SignalEvent (((EFI_UDP4_RECEIVE_DATA *) RxData)->RecycleSignal);\r | |
310 | RxToken->UdpIo->Protocol.Udp4->Receive (RxToken->UdpIo->Protocol.Udp4, &RxToken->Token.Udp4);\r | |
311 | } else {\r | |
312 | gBS->SignalEvent (((EFI_UDP6_RECEIVE_DATA *) RxData)->RecycleSignal);\r | |
313 | RxToken->UdpIo->Protocol.Udp6->Receive (RxToken->UdpIo->Protocol.Udp6, &RxToken->Token.Udp6);\r | |
314 | }\r | |
9a3293ac | 315 | }\r |
316 | \r | |
317 | /**\r | |
ca9d3a9d | 318 | Request UdpIoOnDgramRcvdDpc() as a DPC at TPL_CALLBACK.\r |
9a3293ac | 319 | \r |
8f5e6151 | 320 | @param[in] Event The UDP receive request event.\r |
321 | @param[in] Context The UDP RX token.\r | |
9a3293ac | 322 | \r |
323 | **/\r | |
cbf316f2 | 324 | VOID\r |
325 | EFIAPI\r | |
326 | UdpIoOnDgramRcvd (\r | |
327 | IN EFI_EVENT Event,\r | |
328 | IN VOID *Context\r | |
9a3293ac | 329 | )\r |
330 | {\r | |
331 | //\r | |
332 | // Request UdpIoOnDgramRcvdDpc as a DPC at TPL_CALLBACK\r | |
333 | //\r | |
d8d26fb2 | 334 | QueueDpc (TPL_CALLBACK, UdpIoOnDgramRcvdDpc, Context);\r |
9a3293ac | 335 | }\r |
cbf316f2 | 336 | \r |
9a3293ac | 337 | /**\r |
338 | Create a UDP_RX_TOKEN to wrap the request.\r | |
339 | \r | |
8f5e6151 | 340 | @param[in] UdpIo The UdpIo to receive packets from.\r |
341 | @param[in] CallBack The function to call when receive finished.\r | |
342 | @param[in] Context The opaque parameter to the CallBack.\r | |
343 | @param[in] HeadLen The head length to reserver for the packet.\r | |
9a3293ac | 344 | \r |
345 | @return The Wrapped request or NULL if failed to allocate resources or some errors happened.\r | |
346 | \r | |
347 | **/\r | |
348 | UDP_RX_TOKEN *\r | |
349 | UdpIoCreateRxToken (\r | |
b45b45b2 | 350 | IN UDP_IO *UdpIo,\r |
9a3293ac | 351 | IN UDP_IO_CALLBACK CallBack,\r |
352 | IN VOID *Context,\r | |
353 | IN UINT32 HeadLen\r | |
354 | )\r | |
355 | {\r | |
356 | UDP_RX_TOKEN *Token;\r | |
357 | EFI_STATUS Status;\r | |
358 | \r | |
b45b45b2 | 359 | ASSERT ((UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) ||\r |
360 | (UdpIo->UdpVersion == UDP_IO_UDP6_VERSION));\r | |
361 | \r | |
9a3293ac | 362 | Token = AllocatePool (sizeof (UDP_RX_TOKEN));\r |
363 | \r | |
364 | if (Token == NULL) {\r | |
365 | return NULL;\r | |
366 | }\r | |
367 | \r | |
368 | Token->Signature = UDP_IO_RX_SIGNATURE;\r | |
369 | Token->UdpIo = UdpIo;\r | |
370 | Token->CallBack = CallBack;\r | |
371 | Token->Context = Context;\r | |
372 | Token->HeadLen = HeadLen;\r | |
373 | \r | |
b45b45b2 | 374 | if (UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r |
375 | \r | |
376 | Token->Token.Udp4.Status = EFI_NOT_READY;\r | |
377 | Token->Token.Udp4.Packet.RxData = NULL;\r | |
378 | \r | |
379 | Status = gBS->CreateEvent (\r | |
380 | EVT_NOTIFY_SIGNAL,\r | |
381 | TPL_NOTIFY,\r | |
382 | UdpIoOnDgramRcvd,\r | |
383 | Token,\r | |
384 | &Token->Token.Udp4.Event\r | |
385 | );\r | |
386 | } else {\r | |
e2851998 | 387 | \r |
b45b45b2 | 388 | Token->Token.Udp6.Status = EFI_NOT_READY;\r |
389 | Token->Token.Udp6.Packet.RxData = NULL;\r | |
390 | \r | |
391 | Status = gBS->CreateEvent (\r | |
392 | EVT_NOTIFY_SIGNAL,\r | |
393 | TPL_NOTIFY,\r | |
394 | UdpIoOnDgramRcvd,\r | |
395 | Token,\r | |
396 | &Token->Token.Udp6.Event\r | |
397 | );\r | |
e2851998 | 398 | }\r |
9a3293ac | 399 | \r |
9a3293ac | 400 | \r |
401 | if (EFI_ERROR (Status)) {\r | |
b45b45b2 | 402 | FreePool (Token);\r |
9a3293ac | 403 | return NULL;\r |
404 | }\r | |
405 | \r | |
406 | return Token;\r | |
407 | }\r | |
cbf316f2 | 408 | \r |
409 | /**\r | |
b45b45b2 | 410 | Wrap a transmit request into a new created UDP_TX_TOKEN.\r |
cbf316f2 | 411 | \r |
b45b45b2 | 412 | @param[in] UdpIo The UdpIo to send packet to.\r |
8f5e6151 | 413 | @param[in] Packet The user's packet.\r |
414 | @param[in] EndPoint The local and remote access point.\r | |
415 | @param[in] Gateway The overrided next hop.\r | |
416 | @param[in] CallBack The function to call when transmission completed.\r | |
417 | @param[in] Context The opaque parameter to the call back.\r | |
cbf316f2 | 418 | \r |
e2851998 | 419 | @return The wrapped transmission request or NULL if failed to allocate resources\r |
9a3293ac | 420 | or for some errors.\r |
cbf316f2 | 421 | \r |
422 | **/\r | |
cbf316f2 | 423 | UDP_TX_TOKEN *\r |
b45b45b2 | 424 | UdpIoCreateTxToken (\r |
425 | IN UDP_IO *UdpIo,\r | |
cbf316f2 | 426 | IN NET_BUF *Packet,\r |
b45b45b2 | 427 | IN UDP_END_POINT *EndPoint OPTIONAL,\r |
428 | IN EFI_IP_ADDRESS *Gateway OPTIONAL,\r | |
cbf316f2 | 429 | IN UDP_IO_CALLBACK CallBack,\r |
430 | IN VOID *Context\r | |
431 | )\r | |
432 | {\r | |
b45b45b2 | 433 | UDP_TX_TOKEN *TxToken;\r |
434 | VOID *Token;\r | |
435 | VOID *Data;\r | |
cbf316f2 | 436 | EFI_STATUS Status;\r |
437 | UINT32 Count;\r | |
b45b45b2 | 438 | UINTN Size;\r |
e2851998 | 439 | IP4_ADDR Ip;\r |
cbf316f2 | 440 | \r |
b45b45b2 | 441 | ASSERT (Packet != NULL);\r |
442 | ASSERT ((UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) ||\r | |
443 | (UdpIo->UdpVersion == UDP_IO_UDP6_VERSION));\r | |
cbf316f2 | 444 | \r |
b45b45b2 | 445 | if (UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r |
446 | Size = sizeof (UDP_TX_TOKEN) + sizeof (EFI_UDP4_FRAGMENT_DATA) * (Packet->BlockOpNum - 1);\r | |
447 | } else {\r | |
448 | Size = sizeof (UDP_TX_TOKEN) + sizeof (EFI_UDP6_FRAGMENT_DATA) * (Packet->BlockOpNum - 1);\r | |
cbf316f2 | 449 | }\r |
450 | \r | |
b45b45b2 | 451 | TxToken = AllocatePool (Size);\r |
cbf316f2 | 452 | \r |
b45b45b2 | 453 | if (TxToken == NULL) {\r |
454 | return NULL;\r | |
455 | }\r | |
cbf316f2 | 456 | \r |
b45b45b2 | 457 | TxToken->Signature = UDP_IO_TX_SIGNATURE;\r |
458 | InitializeListHead (&TxToken->Link);\r | |
cbf316f2 | 459 | \r |
b45b45b2 | 460 | TxToken->UdpIo = UdpIo;\r |
461 | TxToken->CallBack = CallBack;\r | |
462 | TxToken->Packet = Packet;\r | |
463 | TxToken->Context = Context;\r | |
cbf316f2 | 464 | \r |
b45b45b2 | 465 | Token = &(TxToken->Token);\r |
466 | Count = Packet->BlockOpNum;\r | |
cbf316f2 | 467 | \r |
b45b45b2 | 468 | if (UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r |
cbf316f2 | 469 | \r |
b45b45b2 | 470 | ((EFI_UDP4_COMPLETION_TOKEN *) Token)->Status = EFI_NOT_READY;\r |
cbf316f2 | 471 | \r |
b45b45b2 | 472 | Status = gBS->CreateEvent (\r |
473 | EVT_NOTIFY_SIGNAL,\r | |
474 | TPL_NOTIFY,\r | |
475 | UdpIoOnDgramSent,\r | |
476 | TxToken,\r | |
477 | &((EFI_UDP4_COMPLETION_TOKEN *) Token)->Event\r | |
478 | );\r | |
b61439a7 | 479 | \r |
b45b45b2 | 480 | if (EFI_ERROR (Status)) {\r |
481 | FreePool (TxToken);\r | |
482 | return NULL;\r | |
483 | }\r | |
b61439a7 | 484 | \r |
b45b45b2 | 485 | Data = &(TxToken->Data.Udp4);\r |
486 | ((EFI_UDP4_COMPLETION_TOKEN *) Token)->Packet.TxData = Data;\r | |
487 | \r | |
488 | ((EFI_UDP4_TRANSMIT_DATA *) Data)->UdpSessionData = NULL;\r | |
489 | ((EFI_UDP4_TRANSMIT_DATA *) Data)->GatewayAddress = NULL;\r | |
490 | ((EFI_UDP4_TRANSMIT_DATA *) Data)->DataLength = Packet->TotalSize;\r | |
491 | \r | |
492 | NetbufBuildExt (\r | |
493 | Packet,\r | |
494 | (NET_FRAGMENT *)((EFI_UDP4_TRANSMIT_DATA *) Data)->FragmentTable,\r | |
495 | &Count\r | |
496 | );\r | |
497 | \r | |
498 | ((EFI_UDP4_TRANSMIT_DATA *) Data)->FragmentCount = Count;\r | |
499 | \r | |
500 | if (EndPoint != NULL) {\r | |
501 | Ip = HTONL (EndPoint->LocalAddr.Addr[0]);\r | |
502 | CopyMem (\r | |
e2851998 | 503 | &TxToken->Session.Udp4.SourceAddress,\r |
504 | &Ip,\r | |
b45b45b2 | 505 | sizeof (EFI_IPv4_ADDRESS)\r |
506 | );\r | |
507 | \r | |
508 | Ip = HTONL (EndPoint->RemoteAddr.Addr[0]);\r | |
509 | CopyMem (\r | |
e2851998 | 510 | &TxToken->Session.Udp4.DestinationAddress,\r |
511 | &Ip,\r | |
b45b45b2 | 512 | sizeof (EFI_IPv4_ADDRESS)\r |
513 | );\r | |
514 | \r | |
515 | TxToken->Session.Udp4.SourcePort = EndPoint->LocalPort;\r | |
516 | TxToken->Session.Udp4.DestinationPort = EndPoint->RemotePort;\r | |
517 | ((EFI_UDP4_TRANSMIT_DATA *) Data)->UdpSessionData = &(TxToken->Session.Udp4);\r | |
518 | }\r | |
cbf316f2 | 519 | \r |
b45b45b2 | 520 | if (Gateway != NULL && (Gateway->Addr[0] != 0)) {\r |
521 | Ip = HTONL (Gateway->Addr[0]);\r | |
522 | CopyMem (&TxToken->Gateway, &Ip, sizeof (EFI_IPv4_ADDRESS));\r | |
e2851998 | 523 | ((EFI_UDP4_TRANSMIT_DATA *) Data)->GatewayAddress = &TxToken->Gateway;\r |
b45b45b2 | 524 | }\r |
b61439a7 | 525 | \r |
b45b45b2 | 526 | } else {\r |
e2851998 | 527 | \r |
b45b45b2 | 528 | ((EFI_UDP6_COMPLETION_TOKEN *) Token)->Status = EFI_NOT_READY;\r |
e2851998 | 529 | \r |
b45b45b2 | 530 | Status = gBS->CreateEvent (\r |
531 | EVT_NOTIFY_SIGNAL,\r | |
532 | TPL_NOTIFY,\r | |
533 | UdpIoOnDgramSent,\r | |
534 | TxToken,\r | |
535 | &((EFI_UDP6_COMPLETION_TOKEN *) Token)->Event\r | |
536 | );\r | |
537 | \r | |
538 | if (EFI_ERROR (Status)) {\r | |
539 | FreePool (TxToken);\r | |
540 | return NULL;\r | |
541 | }\r | |
e2851998 | 542 | \r |
b45b45b2 | 543 | Data = &(TxToken->Data.Udp6);\r |
544 | ((EFI_UDP6_COMPLETION_TOKEN *) Token)->Packet.TxData = Data;\r | |
545 | ((EFI_UDP6_TRANSMIT_DATA *) Data)->UdpSessionData = NULL;\r | |
546 | ((EFI_UDP6_TRANSMIT_DATA *) Data)->DataLength = Packet->TotalSize;\r | |
547 | \r | |
548 | NetbufBuildExt (\r | |
549 | Packet,\r | |
550 | (NET_FRAGMENT *)((EFI_UDP6_TRANSMIT_DATA *) Data)->FragmentTable,\r | |
551 | &Count\r | |
552 | );\r | |
553 | \r | |
554 | ((EFI_UDP6_TRANSMIT_DATA *) Data)->FragmentCount = Count;\r | |
555 | \r | |
556 | if (EndPoint != NULL) {\r | |
557 | CopyMem (\r | |
e2851998 | 558 | &TxToken->Session.Udp6.SourceAddress,\r |
559 | &EndPoint->LocalAddr.v6,\r | |
b45b45b2 | 560 | sizeof(EFI_IPv6_ADDRESS)\r |
561 | );\r | |
562 | \r | |
563 | CopyMem (\r | |
e2851998 | 564 | &TxToken->Session.Udp6.DestinationAddress,\r |
565 | &EndPoint->RemoteAddr.v6,\r | |
b45b45b2 | 566 | sizeof(EFI_IPv6_ADDRESS)\r |
567 | );\r | |
568 | \r | |
569 | TxToken->Session.Udp6.SourcePort = EndPoint->LocalPort;\r | |
570 | TxToken->Session.Udp6.DestinationPort = EndPoint->RemotePort;\r | |
571 | ((EFI_UDP6_TRANSMIT_DATA *) Data)->UdpSessionData = &(TxToken->Session.Udp6);\r | |
e2851998 | 572 | }\r |
cbf316f2 | 573 | }\r |
574 | \r | |
b45b45b2 | 575 | return TxToken;\r |
cbf316f2 | 576 | }\r |
577 | \r | |
cbf316f2 | 578 | /**\r |
b45b45b2 | 579 | Creates a UDP_IO to access the UDP service. It creates and configures\r |
cab450cc | 580 | a UDP child.\r |
e2851998 | 581 | \r |
582 | It locates the UDP service binding prototype on the Controller parameter\r | |
583 | uses the UDP service binding prototype to create a UDP child (also known as\r | |
584 | a UDP instance) configures the UDP child by calling Configure function prototype.\r | |
585 | Any failures in creating or configuring the UDP child return NULL for failure.\r | |
cbf316f2 | 586 | \r |
8f5e6151 | 587 | @param[in] Controller The controller that has the UDP service binding.\r |
588 | protocol installed.\r | |
b45b45b2 | 589 | @param[in] ImageHandle The image handle for the driver.\r |
8f5e6151 | 590 | @param[in] Configure The function to configure the created UDP child.\r |
b45b45b2 | 591 | @param[in] UdpVersion The UDP protocol version, UDP4 or UDP6.\r |
8f5e6151 | 592 | @param[in] Context The opaque parameter for the Configure funtion.\r |
cbf316f2 | 593 | \r |
b45b45b2 | 594 | @return Newly-created UDP_IO or NULL if failed.\r |
cbf316f2 | 595 | \r |
596 | **/\r | |
b45b45b2 | 597 | UDP_IO *\r |
7b414b4e | 598 | EFIAPI\r |
b45b45b2 | 599 | UdpIoCreateIo (\r |
cbf316f2 | 600 | IN EFI_HANDLE Controller,\r |
b45b45b2 | 601 | IN EFI_HANDLE ImageHandle,\r |
cbf316f2 | 602 | IN UDP_IO_CONFIG Configure,\r |
b45b45b2 | 603 | IN UINT8 UdpVersion,\r |
cbf316f2 | 604 | IN VOID *Context\r |
605 | )\r | |
606 | {\r | |
b45b45b2 | 607 | UDP_IO *UdpIo;\r |
cbf316f2 | 608 | EFI_STATUS Status;\r |
609 | \r | |
610 | ASSERT (Configure != NULL);\r | |
b45b45b2 | 611 | ASSERT ((UdpVersion == UDP_IO_UDP4_VERSION) || (UdpVersion == UDP_IO_UDP6_VERSION));\r |
cbf316f2 | 612 | \r |
b45b45b2 | 613 | UdpIo = AllocatePool (sizeof (UDP_IO));\r |
cbf316f2 | 614 | \r |
615 | if (UdpIo == NULL) {\r | |
616 | return NULL;\r | |
617 | }\r | |
618 | \r | |
b45b45b2 | 619 | UdpIo->UdpVersion = UdpVersion;\r |
cbf316f2 | 620 | UdpIo->Signature = UDP_IO_SIGNATURE;\r |
e48e37fc | 621 | InitializeListHead (&UdpIo->Link);\r |
cbf316f2 | 622 | UdpIo->RefCnt = 1;\r |
623 | \r | |
624 | UdpIo->Controller = Controller;\r | |
b45b45b2 | 625 | UdpIo->Image = ImageHandle;\r |
cbf316f2 | 626 | \r |
e48e37fc | 627 | InitializeListHead (&UdpIo->SentDatagram);\r |
cbf316f2 | 628 | UdpIo->RecvRequest = NULL;\r |
629 | UdpIo->UdpHandle = NULL;\r | |
630 | \r | |
b45b45b2 | 631 | if (UdpVersion == UDP_IO_UDP4_VERSION) {\r |
632 | //\r | |
633 | // Create a UDP child then open and configure it\r | |
634 | //\r | |
635 | Status = NetLibCreateServiceChild (\r | |
636 | Controller,\r | |
637 | ImageHandle,\r | |
638 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
639 | &UdpIo->UdpHandle\r | |
640 | );\r | |
e2851998 | 641 | \r |
b45b45b2 | 642 | if (EFI_ERROR (Status)) {\r |
643 | goto FREE_MEM;\r | |
644 | }\r | |
cbf316f2 | 645 | \r |
b45b45b2 | 646 | Status = gBS->OpenProtocol (\r |
647 | UdpIo->UdpHandle,\r | |
648 | &gEfiUdp4ProtocolGuid,\r | |
649 | (VOID **) &UdpIo->Protocol.Udp4,\r | |
650 | ImageHandle,\r | |
651 | Controller,\r | |
652 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
653 | );\r | |
654 | \r | |
655 | if (EFI_ERROR (Status)) {\r | |
656 | goto FREE_CHILD;\r | |
657 | }\r | |
cbf316f2 | 658 | \r |
b45b45b2 | 659 | if (EFI_ERROR (Configure (UdpIo, Context))) {\r |
660 | goto CLOSE_PROTOCOL;\r | |
661 | }\r | |
e2851998 | 662 | \r |
b45b45b2 | 663 | Status = UdpIo->Protocol.Udp4->GetModeData (\r |
e2851998 | 664 | UdpIo->Protocol.Udp4,\r |
665 | NULL,\r | |
666 | NULL,\r | |
667 | NULL,\r | |
b45b45b2 | 668 | &UdpIo->SnpMode\r |
669 | );\r | |
e2851998 | 670 | \r |
b45b45b2 | 671 | if (EFI_ERROR (Status)) {\r |
672 | goto CLOSE_PROTOCOL;\r | |
673 | }\r | |
cbf316f2 | 674 | \r |
b45b45b2 | 675 | } else {\r |
e2851998 | 676 | \r |
b45b45b2 | 677 | Status = NetLibCreateServiceChild (\r |
678 | Controller,\r | |
679 | ImageHandle,\r | |
680 | &gEfiUdp6ServiceBindingProtocolGuid,\r | |
681 | &UdpIo->UdpHandle\r | |
682 | );\r | |
e2851998 | 683 | \r |
b45b45b2 | 684 | if (EFI_ERROR (Status)) {\r |
685 | goto FREE_MEM;\r | |
686 | }\r | |
e2851998 | 687 | \r |
b45b45b2 | 688 | Status = gBS->OpenProtocol (\r |
689 | UdpIo->UdpHandle,\r | |
690 | &gEfiUdp6ProtocolGuid,\r | |
691 | (VOID **) &UdpIo->Protocol.Udp6,\r | |
692 | ImageHandle,\r | |
693 | Controller,\r | |
694 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
695 | );\r | |
e2851998 | 696 | \r |
b45b45b2 | 697 | if (EFI_ERROR (Status)) {\r |
698 | goto FREE_CHILD;\r | |
699 | }\r | |
e2851998 | 700 | \r |
b45b45b2 | 701 | if (EFI_ERROR (Configure (UdpIo, Context))) {\r |
702 | goto CLOSE_PROTOCOL;\r | |
703 | }\r | |
e2851998 | 704 | \r |
b45b45b2 | 705 | Status = UdpIo->Protocol.Udp6->GetModeData (\r |
e2851998 | 706 | UdpIo->Protocol.Udp6,\r |
707 | NULL,\r | |
708 | NULL,\r | |
709 | NULL,\r | |
b45b45b2 | 710 | &UdpIo->SnpMode\r |
711 | );\r | |
e2851998 | 712 | \r |
b45b45b2 | 713 | if (EFI_ERROR (Status)) {\r |
714 | goto CLOSE_PROTOCOL;\r | |
715 | }\r | |
cbf316f2 | 716 | }\r |
717 | \r | |
718 | return UdpIo;\r | |
719 | \r | |
720 | CLOSE_PROTOCOL:\r | |
b45b45b2 | 721 | if (UdpVersion == UDP_IO_UDP4_VERSION) {\r |
722 | gBS->CloseProtocol (UdpIo->UdpHandle, &gEfiUdp4ProtocolGuid, ImageHandle, Controller);\r | |
723 | } else {\r | |
724 | gBS->CloseProtocol (UdpIo->UdpHandle, &gEfiUdp6ProtocolGuid, ImageHandle, Controller);\r | |
725 | }\r | |
cbf316f2 | 726 | \r |
727 | FREE_CHILD:\r | |
b45b45b2 | 728 | if (UdpVersion == UDP_IO_UDP4_VERSION) {\r |
729 | NetLibDestroyServiceChild (\r | |
730 | Controller,\r | |
731 | ImageHandle,\r | |
732 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
733 | UdpIo->UdpHandle\r | |
734 | );\r | |
735 | } else {\r | |
736 | NetLibDestroyServiceChild (\r | |
737 | Controller,\r | |
738 | ImageHandle,\r | |
739 | &gEfiUdp6ServiceBindingProtocolGuid,\r | |
740 | UdpIo->UdpHandle\r | |
741 | );\r | |
742 | }\r | |
cbf316f2 | 743 | \r |
744 | FREE_MEM:\r | |
b45b45b2 | 745 | FreePool (UdpIo);\r |
cbf316f2 | 746 | return NULL;\r |
747 | }\r | |
748 | \r | |
cbf316f2 | 749 | /**\r |
cab450cc | 750 | Cancel all the sent datagram that pass the selection criteria of ToCancel.\r |
cbf316f2 | 751 | If ToCancel is NULL, all the datagrams are cancelled.\r |
752 | \r | |
b45b45b2 | 753 | @param[in] UdpIo The UDP_IO to cancel packet.\r |
8f5e6151 | 754 | @param[in] IoStatus The IoStatus to return to the packet owners.\r |
755 | @param[in] ToCancel The select funtion to test whether to cancel this\r | |
756 | packet or not.\r | |
757 | @param[in] Context The opaque parameter to the ToCancel.\r | |
cbf316f2 | 758 | \r |
cbf316f2 | 759 | **/\r |
cbf316f2 | 760 | VOID\r |
e4b99ad9 | 761 | EFIAPI\r |
cbf316f2 | 762 | UdpIoCancelDgrams (\r |
b45b45b2 | 763 | IN UDP_IO *UdpIo,\r |
cbf316f2 | 764 | IN EFI_STATUS IoStatus,\r |
765 | IN UDP_IO_TO_CANCEL ToCancel, OPTIONAL\r | |
766 | IN VOID *Context\r | |
767 | )\r | |
768 | {\r | |
e48e37fc | 769 | LIST_ENTRY *Entry;\r |
770 | LIST_ENTRY *Next;\r | |
b45b45b2 | 771 | UDP_TX_TOKEN *TxToken;\r |
772 | \r | |
773 | ASSERT ((UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) ||\r | |
774 | (UdpIo->UdpVersion == UDP_IO_UDP6_VERSION));\r | |
cbf316f2 | 775 | \r |
776 | NET_LIST_FOR_EACH_SAFE (Entry, Next, &UdpIo->SentDatagram) {\r | |
b45b45b2 | 777 | TxToken = NET_LIST_USER_STRUCT (Entry, UDP_TX_TOKEN, Link);\r |
778 | \r | |
779 | if ((ToCancel == NULL) || (ToCancel (TxToken, Context))) {\r | |
cbf316f2 | 780 | \r |
b45b45b2 | 781 | if (UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r |
782 | UdpIo->Protocol.Udp4->Cancel (UdpIo->Protocol.Udp4, &TxToken->Token.Udp4);\r | |
783 | } else {\r | |
784 | UdpIo->Protocol.Udp6->Cancel (UdpIo->Protocol.Udp6, &TxToken->Token.Udp6);\r | |
785 | }\r | |
cbf316f2 | 786 | }\r |
e2851998 | 787 | }\r |
cbf316f2 | 788 | }\r |
789 | \r | |
cbf316f2 | 790 | /**\r |
b45b45b2 | 791 | Free the UDP_IO and all its related resources.\r |
e2851998 | 792 | \r |
cab450cc | 793 | The function will cancel all sent datagram and receive request.\r |
cbf316f2 | 794 | \r |
b45b45b2 | 795 | @param[in] UdpIo The UDP_IO to free.\r |
cbf316f2 | 796 | \r |
b45b45b2 | 797 | @retval EFI_SUCCESS The UDP_IO is freed.\r |
cbf316f2 | 798 | \r |
799 | **/\r | |
800 | EFI_STATUS\r | |
7b414b4e | 801 | EFIAPI\r |
b45b45b2 | 802 | UdpIoFreeIo (\r |
803 | IN UDP_IO *UdpIo\r | |
cbf316f2 | 804 | )\r |
805 | {\r | |
b45b45b2 | 806 | UDP_RX_TOKEN *RxToken;\r |
807 | \r | |
808 | ASSERT ((UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) ||\r | |
809 | (UdpIo->UdpVersion == UDP_IO_UDP6_VERSION));\r | |
cbf316f2 | 810 | \r |
811 | //\r | |
812 | // Cancel all the sent datagram and receive requests. The\r | |
813 | // callbacks of transmit requests are executed to allow the\r | |
814 | // caller to release the resource. The callback of receive\r | |
815 | // request are NOT executed. This is because it is most\r | |
816 | // likely that the current user of the UDP IO port is closing\r | |
817 | // itself.\r | |
818 | //\r | |
819 | UdpIoCancelDgrams (UdpIo, EFI_ABORTED, NULL, NULL);\r | |
820 | \r | |
b45b45b2 | 821 | if (UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r |
cbf316f2 | 822 | \r |
b45b45b2 | 823 | if ((RxToken = UdpIo->RecvRequest) != NULL) {\r |
824 | UdpIo->Protocol.Udp4->Cancel (UdpIo->Protocol.Udp4, &RxToken->Token.Udp4);\r | |
825 | }\r | |
826 | \r | |
827 | //\r | |
75dce340 | 828 | // Close then destroy the Udp4 child\r |
b45b45b2 | 829 | //\r |
830 | gBS->CloseProtocol (\r | |
831 | UdpIo->UdpHandle,\r | |
832 | &gEfiUdp4ProtocolGuid,\r | |
833 | UdpIo->Image,\r | |
834 | UdpIo->Controller\r | |
835 | );\r | |
836 | \r | |
837 | NetLibDestroyServiceChild (\r | |
838 | UdpIo->Controller,\r | |
839 | UdpIo->Image,\r | |
840 | &gEfiUdp4ServiceBindingProtocolGuid,\r | |
841 | UdpIo->UdpHandle\r | |
842 | );\r | |
843 | \r | |
844 | } else {\r | |
845 | \r | |
846 | if ((RxToken = UdpIo->RecvRequest) != NULL) {\r | |
847 | UdpIo->Protocol.Udp6->Cancel (UdpIo->Protocol.Udp6, &RxToken->Token.Udp6);\r | |
848 | }\r | |
e2851998 | 849 | \r |
b45b45b2 | 850 | //\r |
75dce340 | 851 | // Close then destroy the Udp6 child\r |
b45b45b2 | 852 | //\r |
853 | gBS->CloseProtocol (\r | |
854 | UdpIo->UdpHandle,\r | |
855 | &gEfiUdp6ProtocolGuid,\r | |
856 | UdpIo->Image,\r | |
857 | UdpIo->Controller\r | |
858 | );\r | |
e2851998 | 859 | \r |
b45b45b2 | 860 | NetLibDestroyServiceChild (\r |
861 | UdpIo->Controller,\r | |
862 | UdpIo->Image,\r | |
863 | &gEfiUdp6ServiceBindingProtocolGuid,\r | |
864 | UdpIo->UdpHandle\r | |
865 | );\r | |
866 | }\r | |
cbf316f2 | 867 | \r |
687a2e5f | 868 | if (!IsListEmpty(&UdpIo->Link)) {\r |
e48e37fc | 869 | RemoveEntryList (&UdpIo->Link);\r |
687a2e5f | 870 | }\r |
871 | \r | |
b45b45b2 | 872 | FreePool (UdpIo);\r |
cbf316f2 | 873 | return EFI_SUCCESS;\r |
874 | }\r | |
875 | \r | |
876 | \r | |
877 | /**\r | |
b45b45b2 | 878 | Clean up the UDP_IO without freeing it. The function is called when\r |
879 | user wants to re-use the UDP_IO later.\r | |
e2851998 | 880 | \r |
cab450cc | 881 | It will release all the transmitted datagrams and receive request. It will\r |
882 | also configure NULL for the UDP instance.\r | |
cbf316f2 | 883 | \r |
b45b45b2 | 884 | @param[in] UdpIo The UDP_IO to clean up.\r |
cbf316f2 | 885 | \r |
cbf316f2 | 886 | **/\r |
887 | VOID\r | |
7b414b4e | 888 | EFIAPI\r |
b45b45b2 | 889 | UdpIoCleanIo (\r |
890 | IN UDP_IO *UdpIo\r | |
cbf316f2 | 891 | )\r |
892 | {\r | |
893 | UDP_RX_TOKEN *RxToken;\r | |
894 | \r | |
b45b45b2 | 895 | ASSERT ((UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) ||\r |
896 | (UdpIo->UdpVersion == UDP_IO_UDP6_VERSION));\r | |
897 | \r | |
cbf316f2 | 898 | //\r |
899 | // Cancel all the sent datagram and receive requests.\r | |
900 | //\r | |
901 | UdpIoCancelDgrams (UdpIo, EFI_ABORTED, NULL, NULL);\r | |
902 | \r | |
b45b45b2 | 903 | if (UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r |
904 | if ((RxToken = UdpIo->RecvRequest) != NULL) {\r | |
905 | UdpIo->Protocol.Udp4->Cancel (UdpIo->Protocol.Udp4, &RxToken->Token.Udp4);\r | |
906 | }\r | |
907 | \r | |
908 | UdpIo->Protocol.Udp4->Configure (UdpIo->Protocol.Udp4, NULL);\r | |
cbf316f2 | 909 | \r |
b45b45b2 | 910 | } else {\r |
911 | if ((RxToken = UdpIo->RecvRequest) != NULL) {\r | |
912 | UdpIo->Protocol.Udp6->Cancel (UdpIo->Protocol.Udp6, &RxToken->Token.Udp6);\r | |
913 | }\r | |
914 | \r | |
915 | UdpIo->Protocol.Udp6->Configure (UdpIo->Protocol.Udp6, NULL);\r | |
916 | }\r | |
cbf316f2 | 917 | }\r |
918 | \r | |
cbf316f2 | 919 | /**\r |
b45b45b2 | 920 | Send a packet through the UDP_IO.\r |
e2851998 | 921 | \r |
cab450cc | 922 | The packet will be wrapped in UDP_TX_TOKEN. Function Callback will be called\r |
923 | when the packet is sent. The optional parameter EndPoint overrides the default\r | |
924 | address pair if specified.\r | |
cbf316f2 | 925 | \r |
b45b45b2 | 926 | @param[in] UdpIo The UDP_IO to send the packet through.\r |
8f5e6151 | 927 | @param[in] Packet The packet to send.\r |
928 | @param[in] EndPoint The local and remote access point. Override the\r | |
929 | default address pair set during configuration.\r | |
e2851998 | 930 | @param[in] Gateway The gateway to use.\r |
8f5e6151 | 931 | @param[in] CallBack The function being called when packet is\r |
932 | transmitted or failed.\r | |
933 | @param[in] Context The opaque parameter passed to CallBack.\r | |
cbf316f2 | 934 | \r |
8f5e6151 | 935 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resource for the packet.\r |
cbf316f2 | 936 | @retval EFI_SUCCESS The packet is successfully delivered to UDP for\r |
937 | transmission.\r | |
938 | \r | |
939 | **/\r | |
940 | EFI_STATUS\r | |
7b414b4e | 941 | EFIAPI\r |
cbf316f2 | 942 | UdpIoSendDatagram (\r |
b45b45b2 | 943 | IN UDP_IO *UdpIo,\r |
cbf316f2 | 944 | IN NET_BUF *Packet,\r |
b45b45b2 | 945 | IN UDP_END_POINT *EndPoint OPTIONAL,\r |
946 | IN EFI_IP_ADDRESS *Gateway OPTIONAL,\r | |
cbf316f2 | 947 | IN UDP_IO_CALLBACK CallBack,\r |
948 | IN VOID *Context\r | |
949 | )\r | |
950 | {\r | |
b45b45b2 | 951 | UDP_TX_TOKEN *TxToken;\r |
cbf316f2 | 952 | EFI_STATUS Status;\r |
953 | \r | |
b45b45b2 | 954 | ASSERT ((UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) ||\r |
955 | (UdpIo->UdpVersion == UDP_IO_UDP6_VERSION));\r | |
cbf316f2 | 956 | \r |
b45b45b2 | 957 | TxToken = UdpIoCreateTxToken (UdpIo, Packet, EndPoint, Gateway, CallBack, Context);\r |
958 | \r | |
959 | if (TxToken == NULL) {\r | |
cbf316f2 | 960 | return EFI_OUT_OF_RESOURCES;\r |
961 | }\r | |
962 | \r | |
36ee91ca | 963 | //\r |
964 | // Insert the tx token into SendDatagram list before transmitting it. Remove\r | |
965 | // it from the list if the returned status is not EFI_SUCCESS.\r | |
966 | //\r | |
b45b45b2 | 967 | InsertHeadList (&UdpIo->SentDatagram, &TxToken->Link);\r |
968 | \r | |
969 | if (UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r | |
970 | Status = UdpIo->Protocol.Udp4->Transmit (UdpIo->Protocol.Udp4, &TxToken->Token.Udp4);\r | |
971 | } else {\r | |
972 | Status = UdpIo->Protocol.Udp6->Transmit (UdpIo->Protocol.Udp6, &TxToken->Token.Udp6);\r | |
973 | }\r | |
974 | \r | |
cbf316f2 | 975 | if (EFI_ERROR (Status)) {\r |
b45b45b2 | 976 | RemoveEntryList (&TxToken->Link);\r |
977 | UdpIoFreeTxToken (TxToken);\r | |
cbf316f2 | 978 | return Status;\r |
979 | }\r | |
980 | \r | |
cbf316f2 | 981 | return EFI_SUCCESS;\r |
982 | }\r | |
983 | \r | |
984 | \r | |
985 | /**\r | |
cab450cc | 986 | The select function to cancel a single sent datagram.\r |
cbf316f2 | 987 | \r |
8f5e6151 | 988 | @param[in] Token The UDP_TX_TOKEN to test against\r |
989 | @param[in] Context The NET_BUF of the sent datagram\r | |
cbf316f2 | 990 | \r |
9a3293ac | 991 | @retval TRUE The packet is to be cancelled.\r |
992 | @retval FALSE The packet is not to be cancelled.\r | |
cbf316f2 | 993 | **/\r |
cbf316f2 | 994 | BOOLEAN\r |
e798cd87 | 995 | EFIAPI\r |
cbf316f2 | 996 | UdpIoCancelSingleDgram (\r |
997 | IN UDP_TX_TOKEN *Token,\r | |
998 | IN VOID *Context\r | |
999 | )\r | |
1000 | {\r | |
1001 | NET_BUF *Packet;\r | |
1002 | \r | |
1003 | Packet = (NET_BUF *) Context;\r | |
1004 | \r | |
1005 | if (Token->Packet == Packet) {\r | |
1006 | return TRUE;\r | |
1007 | }\r | |
1008 | \r | |
1009 | return FALSE;\r | |
1010 | }\r | |
1011 | \r | |
cbf316f2 | 1012 | /**\r |
1013 | Cancel a single sent datagram.\r | |
1014 | \r | |
b45b45b2 | 1015 | @param[in] UdpIo The UDP_IO to cancel the packet from\r |
8f5e6151 | 1016 | @param[in] Packet The packet to cancel\r |
cbf316f2 | 1017 | \r |
cbf316f2 | 1018 | **/\r |
1019 | VOID\r | |
7b414b4e | 1020 | EFIAPI\r |
cbf316f2 | 1021 | UdpIoCancelSentDatagram (\r |
b45b45b2 | 1022 | IN UDP_IO *UdpIo,\r |
cbf316f2 | 1023 | IN NET_BUF *Packet\r |
1024 | )\r | |
1025 | {\r | |
1026 | UdpIoCancelDgrams (UdpIo, EFI_ABORTED, UdpIoCancelSingleDgram, Packet);\r | |
1027 | }\r | |
1028 | \r | |
cbf316f2 | 1029 | /**\r |
b45b45b2 | 1030 | Issue a receive request to the UDP_IO.\r |
e2851998 | 1031 | \r |
cab450cc | 1032 | This function is called when upper-layer needs packet from UDP for processing.\r |
1033 | Only one receive request is acceptable at a time so a common usage model is\r | |
1034 | to invoke this function inside its Callback function when the former packet\r | |
1035 | is processed.\r | |
cbf316f2 | 1036 | \r |
b45b45b2 | 1037 | @param[in] UdpIo The UDP_IO to receive the packet from.\r |
8f5e6151 | 1038 | @param[in] CallBack The call back function to execute when the packet\r |
1039 | is received.\r | |
1040 | @param[in] Context The opaque context passed to Callback.\r | |
b45b45b2 | 1041 | @param[in] HeadLen The length of the upper-layer's protocol header.\r |
cbf316f2 | 1042 | \r |
1043 | @retval EFI_ALREADY_STARTED There is already a pending receive request. Only\r | |
cab450cc | 1044 | one receive request is supported at a time.\r |
1045 | @retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.\r | |
cbf316f2 | 1046 | @retval EFI_SUCCESS The receive request is issued successfully.\r |
b45b45b2 | 1047 | @retval EFI_UNSUPPORTED The UDP version in UDP_IO is not supported.\r |
cbf316f2 | 1048 | \r |
1049 | **/\r | |
1050 | EFI_STATUS\r | |
7b414b4e | 1051 | EFIAPI\r |
cbf316f2 | 1052 | UdpIoRecvDatagram (\r |
b45b45b2 | 1053 | IN UDP_IO *UdpIo,\r |
cbf316f2 | 1054 | IN UDP_IO_CALLBACK CallBack,\r |
1055 | IN VOID *Context,\r | |
1056 | IN UINT32 HeadLen\r | |
1057 | )\r | |
1058 | {\r | |
b45b45b2 | 1059 | UDP_RX_TOKEN *RxToken;\r |
cbf316f2 | 1060 | EFI_STATUS Status;\r |
1061 | \r | |
b45b45b2 | 1062 | ASSERT ((UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) ||\r |
1063 | (UdpIo->UdpVersion == UDP_IO_UDP6_VERSION));\r | |
1064 | \r | |
cbf316f2 | 1065 | if (UdpIo->RecvRequest != NULL) {\r |
1066 | return EFI_ALREADY_STARTED;\r | |
1067 | }\r | |
1068 | \r | |
b45b45b2 | 1069 | RxToken = UdpIoCreateRxToken (UdpIo, CallBack, Context, HeadLen);\r |
cbf316f2 | 1070 | \r |
b45b45b2 | 1071 | if (RxToken == NULL) {\r |
cbf316f2 | 1072 | return EFI_OUT_OF_RESOURCES;\r |
1073 | }\r | |
1074 | \r | |
b45b45b2 | 1075 | UdpIo->RecvRequest = RxToken;\r |
1076 | if (UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {\r | |
1077 | Status = UdpIo->Protocol.Udp4->Receive (UdpIo->Protocol.Udp4, &RxToken->Token.Udp4);\r | |
1078 | } else {\r | |
1079 | Status = UdpIo->Protocol.Udp6->Receive (UdpIo->Protocol.Udp6, &RxToken->Token.Udp6);\r | |
1080 | }\r | |
cbf316f2 | 1081 | \r |
1082 | if (EFI_ERROR (Status)) {\r | |
36ee91ca | 1083 | UdpIo->RecvRequest = NULL;\r |
b45b45b2 | 1084 | UdpIoFreeRxToken (RxToken);\r |
cbf316f2 | 1085 | }\r |
1086 | \r | |
36ee91ca | 1087 | return Status;\r |
cbf316f2 | 1088 | }\r |