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a3bcde70 HT |
1 | /** @file\r |
2 | Implementation of EFI_TCP4_PROTOCOL and EFI_TCP6_PROTOCOL.\r | |
3 | \r | |
581900d9 | 4 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r |
a3bcde70 HT |
5 | \r |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php.\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "TcpMain.h"\r | |
17 | \r | |
18 | /**\r | |
19 | Check the integrity of the data buffer.\r | |
20 | \r | |
21 | @param[in] DataLen The total length of the data buffer.\r | |
22 | @param[in] FragmentCount The fragment count of the fragment table.\r | |
23 | @param[in] FragmentTable Pointer to the fragment table of the data\r | |
24 | buffer.\r | |
25 | \r | |
26 | @retval EFI_SUCCESS The integrity check passed.\r | |
27 | @retval EFI_INVALID_PARAMETER The integrity check failed.\r | |
28 | \r | |
29 | **/\r | |
30 | EFI_STATUS\r | |
31 | TcpChkDataBuf (\r | |
32 | IN UINT32 DataLen,\r | |
33 | IN UINT32 FragmentCount,\r | |
34 | IN EFI_TCP4_FRAGMENT_DATA *FragmentTable\r | |
35 | )\r | |
36 | {\r | |
37 | UINT32 Index;\r | |
38 | \r | |
39 | UINT32 Len;\r | |
40 | \r | |
41 | for (Index = 0, Len = 0; Index < FragmentCount; Index++) {\r | |
42 | Len = Len + FragmentTable[Index].FragmentLength;\r | |
43 | }\r | |
44 | \r | |
45 | if (DataLen != Len) {\r | |
46 | return EFI_INVALID_PARAMETER;\r | |
47 | }\r | |
48 | \r | |
49 | return EFI_SUCCESS;\r | |
50 | }\r | |
51 | \r | |
52 | /**\r | |
53 | Get the current operational status.\r | |
54 | \r | |
55 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
56 | @param[out] Tcp4State Pointer to the buffer to receive the current TCP\r | |
57 | state. Optional parameter that may be NULL.\r | |
58 | @param[out] Tcp4ConfigData Pointer to the buffer to receive the current TCP\r | |
59 | configuration. Optional parameter that may be NULL.\r | |
60 | @param[out] Ip4ModeData Pointer to the buffer to receive the current\r | |
61 | IPv4 configuration. Optional parameter that may be NULL.\r | |
62 | @param[out] MnpConfigData Pointer to the buffer to receive the current MNP\r | |
63 | configuration data indirectly used by the TCPv4\r | |
64 | Instance. Optional parameter that may be NULL.\r | |
65 | @param[out] SnpModeData Pointer to the buffer to receive the current SNP\r | |
66 | configuration data indirectly used by the TCPv4\r | |
67 | Instance. Optional parameter that may be NULL.\r | |
68 | \r | |
69 | @retval EFI_SUCCESS The mode data was read.\r | |
70 | @retval EFI_NOT_STARTED No configuration data is available because this\r | |
71 | instance hasn't been started.\r | |
72 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
73 | \r | |
74 | **/\r | |
75 | EFI_STATUS\r | |
76 | EFIAPI\r | |
77 | Tcp4GetModeData (\r | |
581900d9 | 78 | IN EFI_TCP4_PROTOCOL *This,\r |
79 | OUT EFI_TCP4_CONNECTION_STATE *Tcp4State OPTIONAL,\r | |
80 | OUT EFI_TCP4_CONFIG_DATA *Tcp4ConfigData OPTIONAL,\r | |
81 | OUT EFI_IP4_MODE_DATA *Ip4ModeData OPTIONAL,\r | |
82 | OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,\r | |
83 | OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL\r | |
a3bcde70 HT |
84 | )\r |
85 | {\r | |
86 | TCP4_MODE_DATA TcpMode;\r | |
87 | SOCKET *Sock;\r | |
88 | \r | |
89 | if (NULL == This) {\r | |
90 | return EFI_INVALID_PARAMETER;\r | |
91 | }\r | |
92 | \r | |
93 | Sock = SOCK_FROM_THIS (This);\r | |
94 | \r | |
95 | TcpMode.Tcp4State = Tcp4State;\r | |
96 | TcpMode.Tcp4ConfigData = Tcp4ConfigData;\r | |
97 | TcpMode.Ip4ModeData = Ip4ModeData;\r | |
98 | TcpMode.MnpConfigData = MnpConfigData;\r | |
99 | TcpMode.SnpModeData = SnpModeData;\r | |
100 | \r | |
101 | return SockGetMode (Sock, &TcpMode);\r | |
102 | }\r | |
103 | \r | |
104 | /**\r | |
105 | Initialize or brutally reset the operational parameters for\r | |
106 | this EFI TCPv4 instance.\r | |
107 | \r | |
108 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
109 | @param[in] TcpConfigData Pointer to the configure data to configure the\r | |
110 | instance. Optional parameter that may be NULL.\r | |
111 | \r | |
112 | @retval EFI_SUCCESS The operational settings were set, changed, or\r | |
113 | reset successfully.\r | |
114 | @retval EFI_NO_MAPPING When using a default address, configuration\r | |
115 | (through DHCP, BOOTP, RARP, etc.) is not\r | |
116 | finished.\r | |
117 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
118 | @retval EFI_ACCESS_DENIED Configuring TCP instance when it is already\r | |
119 | configured.\r | |
120 | @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.\r | |
121 | @retval EFI_UNSUPPORTED One or more of the control options are not\r | |
122 | supported in the implementation.\r | |
123 | @retval EFI_OUT_OF_RESOURCES Could not allocate enough system resources.\r | |
124 | \r | |
125 | **/\r | |
126 | EFI_STATUS\r | |
127 | EFIAPI\r | |
128 | Tcp4Configure (\r | |
129 | IN EFI_TCP4_PROTOCOL * This,\r | |
130 | IN EFI_TCP4_CONFIG_DATA * TcpConfigData OPTIONAL\r | |
131 | )\r | |
132 | {\r | |
133 | EFI_TCP4_OPTION *Option;\r | |
134 | SOCKET *Sock;\r | |
135 | EFI_STATUS Status;\r | |
136 | IP4_ADDR Ip;\r | |
137 | IP4_ADDR SubnetMask;\r | |
138 | \r | |
139 | if (NULL == This) {\r | |
140 | return EFI_INVALID_PARAMETER;\r | |
141 | }\r | |
142 | \r | |
143 | //\r | |
144 | // Tcp protocol related parameter check will be conducted here\r | |
145 | //\r | |
146 | if (NULL != TcpConfigData) {\r | |
147 | \r | |
148 | CopyMem (&Ip, &TcpConfigData->AccessPoint.RemoteAddress, sizeof (IP4_ADDR));\r | |
149 | if ((Ip != 0) && !NetIp4IsUnicast (NTOHL (Ip), 0)) {\r | |
150 | return EFI_INVALID_PARAMETER;\r | |
151 | }\r | |
152 | \r | |
153 | if (TcpConfigData->AccessPoint.ActiveFlag && (0 == TcpConfigData->AccessPoint.RemotePort || (Ip == 0))) {\r | |
154 | return EFI_INVALID_PARAMETER;\r | |
155 | }\r | |
156 | \r | |
157 | if (!TcpConfigData->AccessPoint.UseDefaultAddress) {\r | |
158 | \r | |
159 | CopyMem (&Ip, &TcpConfigData->AccessPoint.StationAddress, sizeof (IP4_ADDR));\r | |
160 | CopyMem (&SubnetMask, &TcpConfigData->AccessPoint.SubnetMask, sizeof (IP4_ADDR));\r | |
161 | if (!NetIp4IsUnicast (NTOHL (Ip), 0) || !IP4_IS_VALID_NETMASK (NTOHL (SubnetMask))) {\r | |
162 | return EFI_INVALID_PARAMETER;\r | |
163 | }\r | |
164 | }\r | |
165 | \r | |
166 | Option = TcpConfigData->ControlOption;\r | |
167 | if ((NULL != Option) && (Option->EnableSelectiveAck || Option->EnablePathMtuDiscovery)) {\r | |
168 | return EFI_UNSUPPORTED;\r | |
169 | }\r | |
170 | }\r | |
171 | \r | |
172 | Sock = SOCK_FROM_THIS (This);\r | |
173 | \r | |
174 | if (NULL == TcpConfigData) {\r | |
175 | return SockFlush (Sock);\r | |
176 | }\r | |
177 | \r | |
178 | Status = SockConfigure (Sock, TcpConfigData);\r | |
179 | \r | |
180 | if (EFI_NO_MAPPING == Status) {\r | |
181 | Sock->ConfigureState = SO_NO_MAPPING;\r | |
182 | }\r | |
183 | \r | |
184 | return Status;\r | |
185 | }\r | |
186 | \r | |
187 | /**\r | |
188 | Add or delete routing entries.\r | |
189 | \r | |
190 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
191 | @param[in] DeleteRoute If TRUE, delete the specified route from routing\r | |
192 | table; if FALSE, add the specified route to\r | |
193 | routing table.\r | |
194 | @param[in] SubnetAddress The destination network.\r | |
195 | @param[in] SubnetMask The subnet mask for the destination network.\r | |
196 | @param[in] GatewayAddress The gateway address for this route.\r | |
197 | \r | |
198 | @retval EFI_SUCCESS The operation completed successfully.\r | |
199 | @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance has not been\r | |
200 | configured.\r | |
201 | @retval EFI_NO_MAPPING When using a default address, configuration\r | |
202 | (through DHCP, BOOTP, RARP, etc.) is not\r | |
203 | finished.\r | |
204 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
205 | @retval EFI_OUT_OF_RESOURCES Could not allocate enough resources to add the\r | |
206 | entry to the routing table.\r | |
207 | @retval EFI_NOT_FOUND This route is not in the routing table.\r | |
208 | @retval EFI_ACCESS_DENIED This route is already in the routing table.\r | |
209 | @retval EFI_UNSUPPORTED The TCP driver does not support this operation.\r | |
210 | \r | |
211 | **/\r | |
212 | EFI_STATUS\r | |
213 | EFIAPI\r | |
214 | Tcp4Routes (\r | |
215 | IN EFI_TCP4_PROTOCOL *This,\r | |
216 | IN BOOLEAN DeleteRoute,\r | |
217 | IN EFI_IPv4_ADDRESS *SubnetAddress,\r | |
218 | IN EFI_IPv4_ADDRESS *SubnetMask,\r | |
219 | IN EFI_IPv4_ADDRESS *GatewayAddress\r | |
220 | )\r | |
221 | {\r | |
222 | SOCKET *Sock;\r | |
223 | TCP4_ROUTE_INFO RouteInfo;\r | |
224 | \r | |
225 | if (NULL == This) {\r | |
226 | return EFI_INVALID_PARAMETER;\r | |
227 | }\r | |
228 | \r | |
229 | Sock = SOCK_FROM_THIS (This);\r | |
230 | \r | |
231 | RouteInfo.DeleteRoute = DeleteRoute;\r | |
232 | RouteInfo.SubnetAddress = SubnetAddress;\r | |
233 | RouteInfo.SubnetMask = SubnetMask;\r | |
234 | RouteInfo.GatewayAddress = GatewayAddress;\r | |
235 | \r | |
236 | return SockRoute (Sock, &RouteInfo);\r | |
237 | }\r | |
238 | \r | |
239 | /**\r | |
240 | Initiate a non-blocking TCP connection request for an active TCP instance.\r | |
241 | \r | |
242 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
243 | @param[in] ConnectionToken Pointer to the connection token to return when\r | |
244 | the TCP three way handshake finishes.\r | |
245 | \r | |
246 | @retval EFI_SUCCESS The connection request successfully\r | |
247 | initiated.\r | |
248 | @retval EFI_NOT_STARTED This EFI_TCP4_PROTOCOL instance hasn't been\r | |
249 | configured.\r | |
250 | @retval EFI_ACCESS_DENIED The instance is not configured as an active one,\r | |
251 | or it is not in Tcp4StateClosed state.\r | |
252 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
253 | @retval EFI_OUT_OF_RESOURCES The driver can't allocate enough resources to\r | |
254 | initiate the active open.\r | |
255 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
256 | \r | |
257 | **/\r | |
258 | EFI_STATUS\r | |
259 | EFIAPI\r | |
260 | Tcp4Connect (\r | |
261 | IN EFI_TCP4_PROTOCOL *This,\r | |
262 | IN EFI_TCP4_CONNECTION_TOKEN *ConnectionToken\r | |
263 | )\r | |
264 | {\r | |
265 | SOCKET *Sock;\r | |
266 | \r | |
267 | if (NULL == This || NULL == ConnectionToken || NULL == ConnectionToken->CompletionToken.Event) {\r | |
268 | return EFI_INVALID_PARAMETER;\r | |
269 | }\r | |
270 | \r | |
271 | Sock = SOCK_FROM_THIS (This);\r | |
272 | \r | |
273 | return SockConnect (Sock, ConnectionToken);\r | |
274 | }\r | |
275 | \r | |
276 | /**\r | |
277 | Listen on the passive instance to accept an incoming connection request.\r | |
278 | \r | |
279 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
280 | @param[in] ListenToken Pointer to the listen token to return when\r | |
281 | operation finishes.\r | |
282 | \r | |
283 | @retval EFI_SUCCESS The listen token was queued successfully.\r | |
284 | @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance hasn't been\r | |
285 | configured.\r | |
286 | @retval EFI_ACCESS_DENIED The instatnce is not a passive one or it is not\r | |
287 | in Tcp4StateListen state or a same listen token\r | |
288 | has already existed in the listen token queue of\r | |
289 | this TCP instance.\r | |
290 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
291 | @retval EFI_OUT_OF_RESOURCES Could not allocate enough resources to finish\r | |
292 | the operation.\r | |
293 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
294 | \r | |
295 | **/\r | |
296 | EFI_STATUS\r | |
297 | EFIAPI\r | |
298 | Tcp4Accept (\r | |
299 | IN EFI_TCP4_PROTOCOL *This,\r | |
300 | IN EFI_TCP4_LISTEN_TOKEN *ListenToken\r | |
301 | )\r | |
302 | {\r | |
303 | SOCKET *Sock;\r | |
304 | \r | |
305 | if (NULL == This || NULL == ListenToken || NULL == ListenToken->CompletionToken.Event) {\r | |
306 | return EFI_INVALID_PARAMETER;\r | |
307 | }\r | |
308 | \r | |
309 | Sock = SOCK_FROM_THIS (This);\r | |
310 | \r | |
311 | return SockAccept (Sock, ListenToken);\r | |
312 | }\r | |
313 | \r | |
314 | /**\r | |
315 | Queues outgoing data into the transmit queue\r | |
316 | \r | |
317 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
318 | @param[in] Token Pointer to the completion token to queue to the\r | |
319 | transmit queue.\r | |
320 | \r | |
321 | @retval EFI_SUCCESS The data has been queued for transmission.\r | |
322 | @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance hasn't been\r | |
323 | configured.\r | |
324 | @retval EFI_NO_MAPPING When using a default address, configuration\r | |
325 | (DHCP, BOOTP, RARP, etc.) is not finished yet.\r | |
326 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid\r | |
327 | @retval EFI_ACCESS_DENIED One or more of the following conditions is TRUE:\r | |
328 | * A transmit completion token with the same\r | |
329 | Token-> CompletionToken.Event was already in the\r | |
330 | transmission queue. * The current instance is in\r | |
331 | Tcp4StateClosed state. * The current instance is\r | |
332 | a passive one and it is in Tcp4StateListen\r | |
333 | state. * User has called Close() to disconnect\r | |
334 | this connection.\r | |
335 | @retval EFI_NOT_READY The completion token could not be queued because\r | |
336 | the transmit queue is full.\r | |
337 | @retval EFI_OUT_OF_RESOURCES Could not queue the transmit data because of a\r | |
338 | resource shortage.\r | |
339 | @retval EFI_NETWORK_UNREACHABLE There is no route to the destination network or\r | |
340 | address.\r | |
341 | \r | |
342 | **/\r | |
343 | EFI_STATUS\r | |
344 | EFIAPI\r | |
345 | Tcp4Transmit (\r | |
346 | IN EFI_TCP4_PROTOCOL *This,\r | |
347 | IN EFI_TCP4_IO_TOKEN *Token\r | |
348 | )\r | |
349 | {\r | |
350 | SOCKET *Sock;\r | |
351 | EFI_STATUS Status;\r | |
352 | \r | |
353 | if (NULL == This ||\r | |
354 | NULL == Token ||\r | |
355 | NULL == Token->CompletionToken.Event ||\r | |
356 | NULL == Token->Packet.TxData ||\r | |
357 | 0 == Token->Packet.TxData->FragmentCount ||\r | |
358 | 0 == Token->Packet.TxData->DataLength\r | |
359 | ) {\r | |
360 | return EFI_INVALID_PARAMETER;\r | |
361 | }\r | |
362 | \r | |
363 | Status = TcpChkDataBuf (\r | |
364 | Token->Packet.TxData->DataLength,\r | |
365 | Token->Packet.TxData->FragmentCount,\r | |
366 | Token->Packet.TxData->FragmentTable\r | |
367 | );\r | |
368 | if (EFI_ERROR (Status)) {\r | |
369 | return Status;\r | |
370 | }\r | |
371 | \r | |
372 | Sock = SOCK_FROM_THIS (This);\r | |
373 | \r | |
374 | return SockSend (Sock, Token);\r | |
375 | }\r | |
376 | \r | |
377 | /**\r | |
378 | Place an asynchronous receive request into the receiving queue.\r | |
379 | \r | |
380 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
381 | @param[in] Token Pointer to a token that is associated with the\r | |
382 | receive data descriptor.\r | |
383 | \r | |
384 | @retval EFI_SUCCESS The receive completion token was cached\r | |
385 | @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance hasn't been\r | |
386 | configured.\r | |
387 | @retval EFI_NO_MAPPING When using a default address, configuration\r | |
388 | (DHCP, BOOTP, RARP, etc.) is not finished yet.\r | |
389 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
390 | @retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued\r | |
391 | due to a lack of system resources.\r | |
392 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
393 | @retval EFI_ACCESS_DENIED One or more of the following conditions is TRUE:\r | |
394 | * A receive completion token with the same\r | |
395 | Token->CompletionToken.Event was already in the\r | |
396 | receive queue. * The current instance is in\r | |
397 | Tcp4StateClosed state. * The current instance is\r | |
398 | a passive one and it is in Tcp4StateListen\r | |
399 | state. * User has called Close() to disconnect\r | |
400 | this connection.\r | |
401 | @retval EFI_CONNECTION_FIN The communication peer has closed the connection,\r | |
402 | and there is no any buffered data in the receive\r | |
403 | buffer of this instance.\r | |
404 | @retval EFI_NOT_READY The receive request could not be queued because\r | |
405 | the receive queue is full.\r | |
406 | \r | |
407 | **/\r | |
408 | EFI_STATUS\r | |
409 | EFIAPI\r | |
410 | Tcp4Receive (\r | |
411 | IN EFI_TCP4_PROTOCOL *This,\r | |
412 | IN EFI_TCP4_IO_TOKEN *Token\r | |
413 | )\r | |
414 | {\r | |
415 | SOCKET *Sock;\r | |
416 | EFI_STATUS Status;\r | |
417 | \r | |
418 | if (NULL == This ||\r | |
419 | NULL == Token ||\r | |
420 | NULL == Token->CompletionToken.Event ||\r | |
421 | NULL == Token->Packet.RxData ||\r | |
422 | 0 == Token->Packet.RxData->FragmentCount ||\r | |
423 | 0 == Token->Packet.RxData->DataLength\r | |
424 | ) {\r | |
425 | return EFI_INVALID_PARAMETER;\r | |
426 | }\r | |
427 | \r | |
428 | Status = TcpChkDataBuf (\r | |
429 | Token->Packet.RxData->DataLength,\r | |
430 | Token->Packet.RxData->FragmentCount,\r | |
431 | Token->Packet.RxData->FragmentTable\r | |
432 | );\r | |
433 | if (EFI_ERROR (Status)) {\r | |
434 | return Status;\r | |
435 | }\r | |
436 | \r | |
437 | Sock = SOCK_FROM_THIS (This);\r | |
438 | \r | |
439 | return SockRcv (Sock, Token);\r | |
440 | \r | |
441 | }\r | |
442 | \r | |
443 | /**\r | |
444 | Disconnecting a TCP connection gracefully or reset a TCP connection.\r | |
445 | \r | |
446 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
447 | @param[in] CloseToken Pointer to the close token to return when\r | |
448 | operation finishes.\r | |
449 | \r | |
450 | @retval EFI_SUCCESS The operation completed successfully.\r | |
451 | @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance hasn't been\r | |
452 | configured.\r | |
453 | @retval EFI_ACCESS_DENIED One or more of the following are TRUE: *\r | |
454 | Configure() has been called with TcpConfigData\r | |
455 | set to NULL, and this function has not returned.\r | |
456 | * Previous Close() call on this instance has not\r | |
457 | finished.\r | |
458 | @retval EFI_INVALID_PARAMETER One ore more parameters are invalid.\r | |
459 | @retval EFI_OUT_OF_RESOURCES Could not allocate enough resources to finish the\r | |
460 | operation.\r | |
461 | @retval EFI_DEVICE_ERROR Any unexpected category error not belonging to those\r | |
462 | listed above.\r | |
463 | \r | |
464 | **/\r | |
465 | EFI_STATUS\r | |
466 | EFIAPI\r | |
467 | Tcp4Close (\r | |
468 | IN EFI_TCP4_PROTOCOL *This,\r | |
469 | IN EFI_TCP4_CLOSE_TOKEN *CloseToken\r | |
470 | )\r | |
471 | {\r | |
472 | SOCKET *Sock;\r | |
473 | \r | |
474 | if (NULL == This || NULL == CloseToken || NULL == CloseToken->CompletionToken.Event) {\r | |
475 | return EFI_INVALID_PARAMETER;\r | |
476 | }\r | |
477 | \r | |
478 | Sock = SOCK_FROM_THIS (This);\r | |
479 | \r | |
480 | return SockClose (Sock, CloseToken, CloseToken->AbortOnClose);\r | |
481 | }\r | |
482 | \r | |
483 | /**\r | |
484 | Abort an asynchronous connection, listen, transmission or receive request.\r | |
485 | \r | |
486 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
487 | @param[in] Token Pointer to a token that has been issued by\r | |
488 | Connect(), Accept(), Transmit() or Receive(). If\r | |
489 | NULL, all pending tokens issued by the four\r | |
490 | functions listed above will be aborted.\r | |
491 | \r | |
492 | @retval EFI_UNSUPPORTED The operation is not supported in the current\r | |
493 | implementation.\r | |
494 | \r | |
495 | **/\r | |
496 | EFI_STATUS\r | |
497 | EFIAPI\r | |
498 | Tcp4Cancel (\r | |
499 | IN EFI_TCP4_PROTOCOL *This,\r | |
500 | IN EFI_TCP4_COMPLETION_TOKEN *Token OPTIONAL\r | |
501 | )\r | |
502 | {\r | |
503 | return EFI_UNSUPPORTED;\r | |
504 | }\r | |
505 | \r | |
506 | /**\r | |
507 | Poll to receive incoming data and transmit outgoing segments.\r | |
508 | \r | |
509 | @param[in] This Pointer to the EFI_TCP4_PROTOCOL instance.\r | |
510 | \r | |
511 | @retval EFI_SUCCESS Incoming or outgoing data was processed.\r | |
512 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
513 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
514 | @retval EFI_NOT_READY No incoming or outgoing data was processed.\r | |
515 | @retval EFI_TIMEOUT Data was dropped out of the transmission or\r | |
516 | receive queue. Consider increasing the polling\r | |
517 | rate.\r | |
518 | \r | |
519 | **/\r | |
520 | EFI_STATUS\r | |
521 | EFIAPI\r | |
522 | Tcp4Poll (\r | |
523 | IN EFI_TCP4_PROTOCOL *This\r | |
524 | )\r | |
525 | {\r | |
526 | SOCKET *Sock;\r | |
527 | EFI_STATUS Status;\r | |
528 | \r | |
529 | if (NULL == This) {\r | |
530 | return EFI_INVALID_PARAMETER;\r | |
531 | }\r | |
532 | \r | |
533 | Sock = SOCK_FROM_THIS (This);\r | |
534 | \r | |
535 | Status = Sock->ProtoHandler (Sock, SOCK_POLL, NULL);\r | |
536 | \r | |
537 | return Status;\r | |
538 | }\r | |
539 | \r | |
540 | /**\r | |
541 | Get the current operational status.\r | |
542 | \r | |
543 | The GetModeData() function copies the current operational settings of this EFI TCPv6\r | |
544 | Protocol instance into user-supplied buffers. This function can also be used to retrieve\r | |
545 | the operational setting of underlying drivers such as IPv6, MNP, or SNP.\r | |
546 | \r | |
547 | @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance.\r | |
548 | @param[out] Tcp6State The buffer in which the current TCP state is\r | |
549 | returned. Optional parameter that may be NULL.\r | |
550 | @param[out] Tcp6ConfigData The buffer in which the current TCP configuration\r | |
551 | is returned. Optional parameter that may be NULL.\r | |
552 | @param[out] Ip6ModeData The buffer in which the current IPv6 configuration\r | |
553 | data used by the TCP instance is returned.\r | |
554 | Optional parameter that may be NULL.\r | |
555 | @param[out] MnpConfigData The buffer in which the current MNP configuration\r | |
556 | data indirectly used by the TCP instance is returned.\r | |
557 | Optional parameter that may be NULL.\r | |
558 | @param[out] SnpModeData The buffer in which the current SNP mode data\r | |
559 | indirectly used by the TCP instance is returned.\r | |
560 | Optional parameter that may be NULL.\r | |
561 | \r | |
562 | @retval EFI_SUCCESS The mode data was read.\r | |
563 | @retval EFI_NOT_STARTED No configuration data is available because this instance hasn't\r | |
564 | been started.\r | |
565 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
566 | \r | |
567 | **/\r | |
568 | EFI_STATUS\r | |
569 | EFIAPI\r | |
570 | Tcp6GetModeData (\r | |
571 | IN EFI_TCP6_PROTOCOL *This,\r | |
572 | OUT EFI_TCP6_CONNECTION_STATE *Tcp6State OPTIONAL,\r | |
573 | OUT EFI_TCP6_CONFIG_DATA *Tcp6ConfigData OPTIONAL,\r | |
574 | OUT EFI_IP6_MODE_DATA *Ip6ModeData OPTIONAL,\r | |
575 | OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,\r | |
576 | OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL\r | |
577 | )\r | |
578 | {\r | |
579 | TCP6_MODE_DATA TcpMode;\r | |
580 | SOCKET *Sock;\r | |
581 | \r | |
582 | if (NULL == This) {\r | |
583 | return EFI_INVALID_PARAMETER;\r | |
584 | }\r | |
585 | \r | |
586 | Sock = SOCK_FROM_THIS (This);\r | |
587 | \r | |
588 | TcpMode.Tcp6State = Tcp6State;\r | |
589 | TcpMode.Tcp6ConfigData = Tcp6ConfigData;\r | |
590 | TcpMode.Ip6ModeData = Ip6ModeData;\r | |
591 | TcpMode.MnpConfigData = MnpConfigData;\r | |
592 | TcpMode.SnpModeData = SnpModeData;\r | |
593 | \r | |
594 | return SockGetMode (Sock, &TcpMode);\r | |
595 | }\r | |
596 | \r | |
597 | /**\r | |
598 | Initialize or brutally reset the operational parameters for this EFI TCPv6 instance.\r | |
599 | \r | |
600 | The Configure() function does the following:\r | |
601 | - Initialize this TCP instance, i.e., initialize the communication end settings and\r | |
602 | specify active open or passive open for an instance.\r | |
603 | - Reset this TCP instance brutally, i.e., cancel all pending asynchronous tokens, flush\r | |
604 | transmission and receiving buffer directly without informing the communication peer.\r | |
605 | \r | |
606 | No other TCPv6 Protocol operation except Poll() can be executed by this instance until\r | |
607 | it is configured properly. For an active TCP instance, after a proper configuration it\r | |
608 | may call Connect() to initiate a three-way handshake. For a passive TCP instance,\r | |
609 | its state transits to Tcp6StateListen after configuration, and Accept() may be\r | |
610 | called to listen the incoming TCP connection requests. If Tcp6ConfigData is set to NULL,\r | |
611 | the instance is reset. The resetting process will be done brutally, the state machine will\r | |
612 | be set to Tcp6StateClosed directly, the receive queue and transmit queue will be flushed,\r | |
613 | and no traffic is allowed through this instance.\r | |
614 | \r | |
615 | @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance.\r | |
616 | @param[in] Tcp6ConfigData Pointer to the configure data to configure the instance.\r | |
617 | If Tcp6ConfigData is set to NULL, the instance is reset.\r | |
618 | \r | |
619 | @retval EFI_SUCCESS The operational settings were set, changed, or reset\r | |
620 | successfully.\r | |
621 | @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a source\r | |
622 | address for this instance, but no source address was available for\r | |
623 | use.\r | |
624 | @retval EFI_INVALID_PARAMETER One or more of the following conditions are TRUE:\r | |
625 | - This is NULL.\r | |
626 | - Tcp6ConfigData->AccessPoint.StationAddress is neither zero nor\r | |
627 | one of the configured IP addresses in the underlying IPv6 driver.\r | |
628 | - Tcp6ConfigData->AccessPoint.RemoteAddress isn't a valid unicast\r | |
629 | IPv6 address.\r | |
630 | - Tcp6ConfigData->AccessPoint.RemoteAddress is zero or\r | |
631 | Tcp6ConfigData->AccessPoint.RemotePort is zero when\r | |
632 | Tcp6ConfigData->AccessPoint.ActiveFlag is TRUE.\r | |
633 | - A same access point has been configured in other TCP\r | |
634 | instance properly.\r | |
635 | @retval EFI_ACCESS_DENIED Configuring a TCP instance when it is configured without\r | |
636 | calling Configure() with NULL to reset it.\r | |
637 | @retval EFI_UNSUPPORTED One or more of the control options are not supported in\r | |
638 | the implementation.\r | |
639 | @retval EFI_OUT_OF_RESOURCES Could not allocate enough system resources when\r | |
640 | executing Configure().\r | |
641 | @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.\r | |
642 | \r | |
643 | **/\r | |
644 | EFI_STATUS\r | |
645 | EFIAPI\r | |
646 | Tcp6Configure (\r | |
647 | IN EFI_TCP6_PROTOCOL *This,\r | |
648 | IN EFI_TCP6_CONFIG_DATA *Tcp6ConfigData OPTIONAL\r | |
649 | )\r | |
650 | {\r | |
651 | EFI_TCP6_OPTION *Option;\r | |
652 | SOCKET *Sock;\r | |
653 | EFI_STATUS Status;\r | |
654 | EFI_IPv6_ADDRESS *Ip;\r | |
655 | \r | |
656 | if (NULL == This) {\r | |
657 | return EFI_INVALID_PARAMETER;\r | |
658 | }\r | |
659 | \r | |
660 | //\r | |
661 | // Tcp protocol related parameter check will be conducted here\r | |
662 | //\r | |
663 | if (NULL != Tcp6ConfigData) {\r | |
664 | \r | |
665 | Ip = &Tcp6ConfigData->AccessPoint.RemoteAddress;\r | |
666 | if (!NetIp6IsUnspecifiedAddr (Ip) && !NetIp6IsValidUnicast (Ip)) {\r | |
667 | return EFI_INVALID_PARAMETER;\r | |
668 | }\r | |
669 | \r | |
670 | if (Tcp6ConfigData->AccessPoint.ActiveFlag &&\r | |
671 | (0 == Tcp6ConfigData->AccessPoint.RemotePort || NetIp6IsUnspecifiedAddr (Ip))\r | |
672 | ) {\r | |
673 | return EFI_INVALID_PARAMETER;\r | |
674 | }\r | |
675 | \r | |
676 | Ip = &Tcp6ConfigData->AccessPoint.StationAddress;\r | |
677 | if (!NetIp6IsUnspecifiedAddr (Ip) && !NetIp6IsValidUnicast (Ip)) {\r | |
678 | return EFI_INVALID_PARAMETER;\r | |
679 | }\r | |
680 | \r | |
681 | Option = Tcp6ConfigData->ControlOption;\r | |
682 | if ((NULL != Option) && (Option->EnableSelectiveAck || Option->EnablePathMtuDiscovery)) {\r | |
683 | return EFI_UNSUPPORTED;\r | |
684 | }\r | |
685 | }\r | |
686 | \r | |
687 | Sock = SOCK_FROM_THIS (This);\r | |
688 | \r | |
689 | if (NULL == Tcp6ConfigData) {\r | |
690 | return SockFlush (Sock);\r | |
691 | }\r | |
692 | \r | |
693 | Status = SockConfigure (Sock, Tcp6ConfigData);\r | |
694 | \r | |
695 | if (EFI_NO_MAPPING == Status) {\r | |
696 | Sock->ConfigureState = SO_NO_MAPPING;\r | |
697 | }\r | |
698 | \r | |
699 | return Status;\r | |
700 | }\r | |
701 | \r | |
702 | /**\r | |
703 | Initiate a nonblocking TCP connection request for an active TCP instance.\r | |
704 | \r | |
705 | The Connect() function will initiate an active open to the remote peer configured\r | |
706 | in a current TCP instance if it is configured active. If the connection succeeds or\r | |
707 | fails due to any error, the ConnectionToken->CompletionToken.Event will be signaled\r | |
708 | and ConnectionToken->CompletionToken.Status will be updated accordingly. This\r | |
709 | function can only be called for the TCP instance in the Tcp6StateClosed state. The\r | |
710 | instance will transfer into Tcp6StateSynSent if the function returns EFI_SUCCESS.\r | |
711 | If a TCP three-way handshake succeeds, its state will become Tcp6StateEstablished.\r | |
712 | Otherwise, the state will return to Tcp6StateClosed.\r | |
713 | \r | |
714 | @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance.\r | |
715 | @param[in] ConnectionToken Pointer to the connection token to return when the TCP three\r | |
716 | way handshake finishes.\r | |
717 | \r | |
718 | @retval EFI_SUCCESS The connection request successfully initiated and the state of\r | |
719 | this TCP instance has been changed to Tcp6StateSynSent.\r | |
720 | @retval EFI_NOT_STARTED This EFI TCPv6 Protocol instance has not been configured.\r | |
721 | @retval EFI_ACCESS_DENIED One or more of the following conditions are TRUE:\r | |
722 | - This instance is not configured as an active one.\r | |
723 | - This instance is not in Tcp6StateClosed state.\r | |
724 | @retval EFI_INVALID_PARAMETER One or more of the following are TRUE:\r | |
725 | - This is NULL.\r | |
726 | - ConnectionToken is NULL.\r | |
727 | - ConnectionToken->CompletionToken.Event is NULL.\r | |
728 | @retval EFI_OUT_OF_RESOURCES The driver can't allocate enough resources to initiate the active open.\r | |
729 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
730 | \r | |
731 | **/\r | |
732 | EFI_STATUS\r | |
733 | EFIAPI\r | |
734 | Tcp6Connect (\r | |
735 | IN EFI_TCP6_PROTOCOL *This,\r | |
736 | IN EFI_TCP6_CONNECTION_TOKEN *ConnectionToken\r | |
737 | )\r | |
738 | {\r | |
739 | SOCKET *Sock;\r | |
740 | \r | |
741 | if (NULL == This || NULL == ConnectionToken || NULL == ConnectionToken->CompletionToken.Event) {\r | |
742 | return EFI_INVALID_PARAMETER;\r | |
743 | }\r | |
744 | \r | |
745 | Sock = SOCK_FROM_THIS (This);\r | |
746 | \r | |
747 | return SockConnect (Sock, ConnectionToken);\r | |
748 | }\r | |
749 | \r | |
750 | /**\r | |
751 | Listen on the passive instance to accept an incoming connection request. This is a\r | |
752 | nonblocking operation.\r | |
753 | \r | |
754 | The Accept() function initiates an asynchronous accept request to wait for an incoming\r | |
755 | connection on the passive TCP instance. If a remote peer successfully establishes a\r | |
756 | connection with this instance, a new TCP instance will be created and its handle will\r | |
757 | be returned in ListenToken->NewChildHandle. The newly created instance is configured\r | |
758 | by inheriting the passive instance's configuration and is ready for use upon return.\r | |
759 | The new instance is in the Tcp6StateEstablished state.\r | |
760 | \r | |
761 | The ListenToken->CompletionToken.Event will be signaled when a new connection is\r | |
762 | accepted, when a user aborts the listen or when a connection is reset.\r | |
763 | \r | |
764 | This function only can be called when a current TCP instance is in Tcp6StateListen state.\r | |
765 | \r | |
766 | @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance.\r | |
767 | @param[in] ListenToken Pointer to the listen token to return when operation finishes.\r | |
768 | \r | |
769 | \r | |
770 | @retval EFI_SUCCESS The listen token queued successfully.\r | |
771 | @retval EFI_NOT_STARTED This EFI TCPv6 Protocol instance has not been configured.\r | |
772 | @retval EFI_ACCESS_DENIED One or more of the following are TRUE:\r | |
773 | - This instance is not a passive instance.\r | |
774 | - This instance is not in Tcp6StateListen state.\r | |
775 | - The same listen token has already existed in the listen\r | |
776 | token queue of this TCP instance.\r | |
777 | @retval EFI_INVALID_PARAMETER One or more of the following are TRUE:\r | |
778 | - This is NULL.\r | |
779 | - ListenToken is NULL.\r | |
780 | - ListentToken->CompletionToken.Event is NULL.\r | |
781 | @retval EFI_OUT_OF_RESOURCES Could not allocate enough resource to finish the operation.\r | |
782 | @retval EFI_DEVICE_ERROR Any unexpected error not belonging to a category listed above.\r | |
783 | \r | |
784 | **/\r | |
785 | EFI_STATUS\r | |
786 | EFIAPI\r | |
787 | Tcp6Accept (\r | |
788 | IN EFI_TCP6_PROTOCOL *This,\r | |
789 | IN EFI_TCP6_LISTEN_TOKEN *ListenToken\r | |
790 | )\r | |
791 | {\r | |
792 | SOCKET *Sock;\r | |
793 | \r | |
794 | if (NULL == This || NULL == ListenToken || NULL == ListenToken->CompletionToken.Event) {\r | |
795 | return EFI_INVALID_PARAMETER;\r | |
796 | }\r | |
797 | \r | |
798 | Sock = SOCK_FROM_THIS (This);\r | |
799 | \r | |
800 | return SockAccept (Sock, ListenToken);\r | |
801 | }\r | |
802 | \r | |
803 | /**\r | |
804 | Queues outgoing data into the transmit queue.\r | |
805 | \r | |
806 | The Transmit() function queues a sending request to this TCP instance along with the\r | |
807 | user data. The status of the token is updated and the event in the token will be\r | |
808 | signaled once the data is sent out or an error occurs.\r | |
809 | \r | |
810 | @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance.\r | |
811 | @param[in] Token Pointer to the completion token to queue to the transmit queue.\r | |
812 | \r | |
813 | @retval EFI_SUCCESS The data has been queued for transmission.\r | |
814 | @retval EFI_NOT_STARTED This EFI TCPv6 Protocol instance has not been configured.\r | |
815 | @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a\r | |
816 | source address for this instance, but no source address was\r | |
817 | available for use.\r | |
818 | @retval EFI_INVALID_PARAMETER One or more of the following are TRUE:\r | |
819 | - This is NULL.\r | |
820 | - Token is NULL.\r | |
821 | - Token->CompletionToken.Event is NULL.\r | |
822 | - Token->Packet.TxData is NULL.\r | |
823 | - Token->Packet.FragmentCount is zero.\r | |
824 | - Token->Packet.DataLength is not equal to the sum of fragment lengths.\r | |
825 | @retval EFI_ACCESS_DENIED One or more of the following conditions are TRUE:\r | |
826 | - A transmit completion token with the same Token->\r | |
827 | CompletionToken.Event was already in the\r | |
828 | transmission queue.\r | |
829 | - The current instance is in Tcp6StateClosed state.\r | |
830 | - The current instance is a passive one and it is in\r | |
831 | Tcp6StateListen state.\r | |
832 | - User has called Close() to disconnect this connection.\r | |
833 | @retval EFI_NOT_READY The completion token could not be queued because the\r | |
834 | transmit queue is full.\r | |
835 | @retval EFI_OUT_OF_RESOURCES Could not queue the transmit data because of resource\r | |
836 | shortage.\r | |
837 | @retval EFI_NETWORK_UNREACHABLE There is no route to the destination network or address.\r | |
838 | \r | |
839 | **/\r | |
840 | EFI_STATUS\r | |
841 | EFIAPI\r | |
842 | Tcp6Transmit (\r | |
843 | IN EFI_TCP6_PROTOCOL *This,\r | |
844 | IN EFI_TCP6_IO_TOKEN *Token\r | |
845 | )\r | |
846 | {\r | |
847 | SOCKET *Sock;\r | |
848 | EFI_STATUS Status;\r | |
849 | \r | |
850 | if (NULL == This ||\r | |
851 | NULL == Token ||\r | |
852 | NULL == Token->CompletionToken.Event ||\r | |
853 | NULL == Token->Packet.TxData ||\r | |
854 | 0 == Token->Packet.TxData->FragmentCount ||\r | |
855 | 0 == Token->Packet.TxData->DataLength\r | |
856 | ) {\r | |
857 | return EFI_INVALID_PARAMETER;\r | |
858 | }\r | |
859 | \r | |
860 | Status = TcpChkDataBuf (\r | |
861 | Token->Packet.TxData->DataLength,\r | |
862 | Token->Packet.TxData->FragmentCount,\r | |
863 | (EFI_TCP4_FRAGMENT_DATA *) Token->Packet.TxData->FragmentTable\r | |
864 | );\r | |
865 | if (EFI_ERROR (Status)) {\r | |
866 | return Status;\r | |
867 | }\r | |
868 | \r | |
869 | Sock = SOCK_FROM_THIS (This);\r | |
870 | \r | |
871 | return SockSend (Sock, Token);\r | |
872 | }\r | |
873 | \r | |
874 | /**\r | |
875 | Places an asynchronous receive request into the receiving queue.\r | |
876 | \r | |
877 | The Receive() function places a completion token into the receive packet queue. This\r | |
878 | function is always asynchronous. The caller must allocate the Token->CompletionToken.Event\r | |
879 | and the FragmentBuffer used to receive data. The caller also must fill the DataLength that\r | |
880 | represents the whole length of all FragmentBuffer. When the receive operation completes, the\r | |
881 | EFI TCPv6 Protocol driver updates the Token->CompletionToken.Status and Token->Packet.RxData\r | |
882 | fields, and the Token->CompletionToken.Event is signaled. If data obtained, the data and its length\r | |
883 | will be copied into the FragmentTable; at the same time the full length of received data will\r | |
884 | be recorded in the DataLength fields. Providing a proper notification function and context\r | |
885 | for the event enables the user to receive the notification and receiving status. That\r | |
886 | notification function is guaranteed to not be re-entered.\r | |
887 | \r | |
888 | @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance.\r | |
889 | @param[in] Token Pointer to a token that is associated with the receive data\r | |
890 | descriptor.\r | |
891 | \r | |
892 | @retval EFI_SUCCESS The receive completion token was cached.\r | |
893 | @retval EFI_NOT_STARTED This EFI TCPv6 Protocol instance has not been configured.\r | |
894 | @retval EFI_NO_MAPPING The underlying IPv6 driver was responsible for choosing a source\r | |
895 | address for this instance, but no source address was available for use.\r | |
896 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
897 | - This is NULL.\r | |
898 | - Token is NULL.\r | |
899 | - Token->CompletionToken.Event is NULL.\r | |
900 | - Token->Packet.RxData is NULL.\r | |
901 | - Token->Packet.RxData->DataLength is 0.\r | |
902 | - The Token->Packet.RxData->DataLength is not the\r | |
903 | sum of all FragmentBuffer length in FragmentTable.\r | |
904 | @retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued due to a lack of\r | |
905 | system resources (usually memory).\r | |
906 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
907 | The EFI TCPv6 Protocol instance has been reset to startup defaults.\r | |
908 | @retval EFI_ACCESS_DENIED One or more of the following conditions is TRUE:\r | |
909 | - A receive completion token with the same Token->CompletionToken.Event\r | |
910 | was already in the receive queue.\r | |
911 | - The current instance is in Tcp6StateClosed state.\r | |
912 | - The current instance is a passive one and it is in\r | |
913 | Tcp6StateListen state.\r | |
914 | - User has called Close() to disconnect this connection.\r | |
915 | @retval EFI_CONNECTION_FIN The communication peer has closed the connection and there is no\r | |
916 | buffered data in the receive buffer of this instance.\r | |
917 | @retval EFI_NOT_READY The receive request could not be queued because the receive queue is full.\r | |
918 | \r | |
919 | **/\r | |
920 | EFI_STATUS\r | |
921 | EFIAPI\r | |
922 | Tcp6Receive (\r | |
923 | IN EFI_TCP6_PROTOCOL *This,\r | |
924 | IN EFI_TCP6_IO_TOKEN *Token\r | |
925 | )\r | |
926 | {\r | |
927 | SOCKET *Sock;\r | |
928 | EFI_STATUS Status;\r | |
929 | \r | |
930 | if (NULL == This ||\r | |
931 | NULL == Token ||\r | |
932 | NULL == Token->CompletionToken.Event ||\r | |
933 | NULL == Token->Packet.RxData ||\r | |
934 | 0 == Token->Packet.RxData->FragmentCount ||\r | |
935 | 0 == Token->Packet.RxData->DataLength\r | |
936 | ) {\r | |
937 | return EFI_INVALID_PARAMETER;\r | |
938 | }\r | |
939 | \r | |
940 | Status = TcpChkDataBuf (\r | |
941 | Token->Packet.RxData->DataLength,\r | |
942 | Token->Packet.RxData->FragmentCount,\r | |
943 | (EFI_TCP4_FRAGMENT_DATA *) Token->Packet.RxData->FragmentTable\r | |
944 | );\r | |
945 | if (EFI_ERROR (Status)) {\r | |
946 | return Status;\r | |
947 | }\r | |
948 | \r | |
949 | Sock = SOCK_FROM_THIS (This);\r | |
950 | \r | |
951 | return SockRcv (Sock, Token);\r | |
952 | }\r | |
953 | \r | |
954 | /**\r | |
955 | Disconnecting a TCP connection gracefully or reset a TCP connection. This function is a\r | |
956 | nonblocking operation.\r | |
957 | \r | |
958 | Initiate an asynchronous close token to the TCP driver. After Close() is called, any buffered\r | |
959 | transmission data will be sent by the TCP driver, and the current instance will have a graceful close\r | |
960 | working flow described as RFC 793 if AbortOnClose is set to FALSE. Otherwise, a rest packet\r | |
961 | will be sent by TCP driver to fast disconnect this connection. When the close operation completes\r | |
962 | successfully the TCP instance is in Tcp6StateClosed state, all pending asynchronous\r | |
963 | operations are signaled, and any buffers used for TCP network traffic are flushed.\r | |
964 | \r | |
965 | @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance.\r | |
966 | @param[in] CloseToken Pointer to the close token to return when operation finishes.\r | |
967 | \r | |
968 | @retval EFI_SUCCESS The Close() was called successfully.\r | |
969 | @retval EFI_NOT_STARTED This EFI TCPv6 Protocol instance has not been configured.\r | |
970 | @retval EFI_ACCESS_DENIED One or more of the following are TRUE:\r | |
971 | - CloseToken or CloseToken->CompletionToken.Event is already in use.\r | |
972 | - Previous Close() call on this instance has not finished.\r | |
973 | @retval EFI_INVALID_PARAMETER One or more of the following are TRUE:\r | |
974 | - This is NULL.\r | |
975 | - CloseToken is NULL.\r | |
976 | - CloseToken->CompletionToken.Event is NULL.\r | |
977 | @retval EFI_OUT_OF_RESOURCES Could not allocate enough resource to finish the operation.\r | |
978 | @retval EFI_DEVICE_ERROR Any unexpected error not belonging to error categories given above.\r | |
979 | \r | |
980 | **/\r | |
981 | EFI_STATUS\r | |
982 | EFIAPI\r | |
983 | Tcp6Close (\r | |
984 | IN EFI_TCP6_PROTOCOL *This,\r | |
985 | IN EFI_TCP6_CLOSE_TOKEN *CloseToken\r | |
986 | )\r | |
987 | {\r | |
988 | SOCKET *Sock;\r | |
989 | \r | |
990 | if (NULL == This || NULL == CloseToken || NULL == CloseToken->CompletionToken.Event) {\r | |
991 | return EFI_INVALID_PARAMETER;\r | |
992 | }\r | |
993 | \r | |
994 | Sock = SOCK_FROM_THIS (This);\r | |
995 | \r | |
996 | return SockClose (Sock, CloseToken, CloseToken->AbortOnClose);\r | |
997 | }\r | |
998 | \r | |
999 | /**\r | |
1000 | Abort an asynchronous connection, listen, transmission, or receive request.\r | |
1001 | \r | |
1002 | The Cancel() function aborts a pending connection, listen, transmit, or\r | |
1003 | receive request.\r | |
1004 | \r | |
1005 | If Token is not NULL and the token is in the connection, listen, transmission,\r | |
1006 | or receive queue when it is being cancelled, its Token->Status will be set\r | |
1007 | to EFI_ABORTED, and then Token->Event will be signaled.\r | |
1008 | \r | |
1009 | If the token is not in one of the queues, which usually means that the\r | |
1010 | asynchronous operation has completed, EFI_NOT_FOUND is returned.\r | |
1011 | \r | |
1012 | If Token is NULL all asynchronous token issued by Connect(), Accept(),\r | |
1013 | Transmit(), and Receive() will be aborted.\r | |
1014 | \r | |
1015 | @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance.\r | |
1016 | @param[in] Token Pointer to a token that has been issued by\r | |
1017 | EFI_TCP6_PROTOCOL.Connect(),\r | |
1018 | EFI_TCP6_PROTOCOL.Accept(),\r | |
1019 | EFI_TCP6_PROTOCOL.Transmit() or\r | |
1020 | EFI_TCP6_PROTOCOL.Receive(). If NULL, all pending\r | |
1021 | tokens issued by above four functions will be aborted. Type\r | |
1022 | EFI_TCP6_COMPLETION_TOKEN is defined in\r | |
1023 | EFI_TCP_PROTOCOL.Connect().\r | |
1024 | \r | |
1025 | @retval EFI_UNSUPPORTED The implementation does not support this function.\r | |
1026 | \r | |
1027 | **/\r | |
1028 | EFI_STATUS\r | |
1029 | EFIAPI\r | |
1030 | Tcp6Cancel (\r | |
1031 | IN EFI_TCP6_PROTOCOL *This,\r | |
1032 | IN EFI_TCP6_COMPLETION_TOKEN *Token OPTIONAL\r | |
1033 | )\r | |
1034 | {\r | |
1035 | return EFI_UNSUPPORTED;\r | |
1036 | }\r | |
1037 | \r | |
1038 | /**\r | |
1039 | Poll to receive incoming data and transmit outgoing segments.\r | |
1040 | \r | |
1041 | The Poll() function increases the rate that data is moved between the network\r | |
1042 | and application, and can be called when the TCP instance is created successfully.\r | |
1043 | Its use is optional.\r | |
1044 | \r | |
1045 | @param[in] This Pointer to the EFI_TCP6_PROTOCOL instance.\r | |
1046 | \r | |
1047 | @retval EFI_SUCCESS Incoming or outgoing data was processed.\r | |
1048 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
1049 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
1050 | @retval EFI_NOT_READY No incoming or outgoing data is processed.\r | |
1051 | @retval EFI_TIMEOUT Data was dropped out of the transmission or receive queue.\r | |
1052 | Consider increasing the polling rate.\r | |
1053 | \r | |
1054 | **/\r | |
1055 | EFI_STATUS\r | |
1056 | EFIAPI\r | |
1057 | Tcp6Poll (\r | |
1058 | IN EFI_TCP6_PROTOCOL *This\r | |
1059 | )\r | |
1060 | {\r | |
1061 | SOCKET *Sock;\r | |
1062 | EFI_STATUS Status;\r | |
1063 | \r | |
1064 | if (NULL == This) {\r | |
1065 | return EFI_INVALID_PARAMETER;\r | |
1066 | }\r | |
1067 | \r | |
1068 | Sock = SOCK_FROM_THIS (This);\r | |
1069 | \r | |
1070 | Status = Sock->ProtoHandler (Sock, SOCK_POLL, NULL);\r | |
1071 | \r | |
1072 | return Status;\r | |
1073 | }\r | |
1074 | \r |