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8a67d61d | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2005 - 2006, 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 | SockInterface.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | \r | |
19 | **/\r | |
20 | \r | |
21 | \r | |
22 | #include "SockImpl.h"\r | |
23 | \r | |
24 | \r | |
25 | /**\r | |
26 | Check whether the Event is in the List.\r | |
27 | \r | |
28 | @param List Pointer to the token list to be searched.\r | |
29 | @param Event The event to be checked.\r | |
30 | \r | |
31 | @retval BOOLEAN If TRUE, the specific Event exists in the List. If\r | |
32 | FALSE, the specific Event is not in the List.\r | |
33 | \r | |
34 | **/\r | |
8a67d61d | 35 | BOOLEAN\r |
36 | SockTokenExistedInList (\r | |
e48e37fc | 37 | IN LIST_ENTRY *List,\r |
8a67d61d | 38 | IN EFI_EVENT Event\r |
39 | )\r | |
40 | {\r | |
e48e37fc | 41 | LIST_ENTRY *ListEntry;\r |
8a67d61d | 42 | SOCK_TOKEN *SockToken;\r |
43 | \r | |
44 | NET_LIST_FOR_EACH (ListEntry, List) {\r | |
45 | SockToken = NET_LIST_USER_STRUCT (\r | |
46 | ListEntry,\r | |
47 | SOCK_TOKEN,\r | |
48 | TokenList\r | |
49 | );\r | |
50 | \r | |
51 | if (Event == SockToken->Token->Event) {\r | |
52 | return TRUE;\r | |
53 | }\r | |
54 | }\r | |
55 | \r | |
56 | return FALSE;\r | |
57 | }\r | |
58 | \r | |
59 | \r | |
60 | /**\r | |
61 | Call SockTokenExistedInList() to check whether the Event is\r | |
62 | in the related socket's lists.\r | |
63 | \r | |
64 | @param Sock Pointer to the instance's socket.\r | |
65 | @param Event The event to be checked.\r | |
66 | \r | |
67 | @return The specific Event exists in one of socket's lists or not.\r | |
68 | \r | |
69 | **/\r | |
70 | BOOLEAN\r | |
71 | SockTokenExisted (\r | |
72 | IN SOCKET *Sock,\r | |
73 | IN EFI_EVENT Event\r | |
74 | )\r | |
75 | {\r | |
76 | \r | |
77 | if (SockTokenExistedInList (&Sock->SndTokenList, Event) ||\r | |
78 | SockTokenExistedInList (&Sock->ProcessingSndTokenList, Event) ||\r | |
79 | SockTokenExistedInList (&Sock->RcvTokenList, Event) ||\r | |
80 | SockTokenExistedInList (&Sock->ListenTokenList, Event)\r | |
81 | ) {\r | |
82 | \r | |
83 | return TRUE;\r | |
84 | }\r | |
85 | \r | |
86 | if ((Sock->ConnectionToken != NULL) &&\r | |
87 | (Sock->ConnectionToken->Event == Event)) {\r | |
88 | \r | |
89 | return TRUE;\r | |
90 | }\r | |
91 | \r | |
92 | if ((Sock->CloseToken != NULL) && (Sock->CloseToken->Event == Event)) {\r | |
93 | return TRUE;\r | |
94 | }\r | |
95 | \r | |
96 | return FALSE;\r | |
97 | }\r | |
98 | \r | |
99 | \r | |
100 | /**\r | |
101 | Buffer a token into the specific list of socket Sock.\r | |
102 | \r | |
103 | @param Sock Pointer to the instance's socket.\r | |
104 | @param List Pointer to the list to store the token.\r | |
105 | @param Token Pointer to the token to be buffered.\r | |
106 | @param DataLen The data length of the buffer contained in Token.\r | |
107 | \r | |
108 | @return Pointer to the token that wraps Token. If NULL, error condition occurred.\r | |
109 | \r | |
110 | **/\r | |
111 | SOCK_TOKEN *\r | |
112 | SockBufferToken (\r | |
113 | IN SOCKET *Sock,\r | |
e48e37fc | 114 | IN LIST_ENTRY *List,\r |
8a67d61d | 115 | IN VOID *Token,\r |
116 | IN UINT32 DataLen\r | |
117 | )\r | |
118 | {\r | |
119 | SOCK_TOKEN *SockToken;\r | |
120 | \r | |
e48e37fc | 121 | SockToken = AllocatePool (sizeof (SOCK_TOKEN));\r |
8a67d61d | 122 | if (NULL == SockToken) {\r |
123 | \r | |
e48e37fc | 124 | DEBUG ((EFI_D_ERROR, "SockBufferIOToken: No Memory "\r |
8a67d61d | 125 | "to allocate SockToken\n"));\r |
126 | \r | |
127 | return NULL;\r | |
128 | }\r | |
129 | \r | |
130 | SockToken->Sock = Sock;\r | |
131 | SockToken->Token = (SOCK_COMPLETION_TOKEN *) Token;\r | |
132 | SockToken->RemainDataLen = DataLen;\r | |
e48e37fc | 133 | InsertTailList (List, &SockToken->TokenList);\r |
8a67d61d | 134 | \r |
135 | return SockToken;\r | |
136 | }\r | |
137 | \r | |
138 | \r | |
139 | /**\r | |
140 | Destory the socket Sock and its associated protocol control block.\r | |
141 | \r | |
142 | @param Sock The socket to be destroyed.\r | |
143 | \r | |
144 | @retval EFI_SUCCESS The socket Sock is destroyed successfully.\r | |
145 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.\r | |
146 | \r | |
147 | **/\r | |
148 | EFI_STATUS\r | |
149 | SockDestroyChild (\r | |
150 | IN SOCKET *Sock\r | |
151 | )\r | |
152 | {\r | |
153 | EFI_STATUS Status;\r | |
154 | \r | |
155 | ASSERT (Sock && Sock->ProtoHandler);\r | |
156 | \r | |
157 | if (Sock->IsDestroyed) {\r | |
158 | return EFI_SUCCESS;\r | |
159 | }\r | |
160 | \r | |
161 | Sock->IsDestroyed = TRUE;\r | |
162 | \r | |
e48e37fc | 163 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 164 | if (EFI_ERROR (Status)) {\r |
165 | \r | |
e48e37fc | 166 | DEBUG ((EFI_D_ERROR, "SockDestroyChild: Get the lock to "\r |
8a67d61d | 167 | "access socket failed with %r\n", Status));\r |
168 | \r | |
169 | return EFI_ACCESS_DENIED;\r | |
170 | }\r | |
171 | \r | |
172 | //\r | |
173 | // force protocol layer to detach the PCB\r | |
174 | //\r | |
175 | Status = Sock->ProtoHandler (Sock, SOCK_DETACH, NULL);\r | |
176 | \r | |
177 | if (EFI_ERROR (Status)) {\r | |
178 | \r | |
e48e37fc | 179 | DEBUG ((EFI_D_ERROR, "SockDestroyChild: Protocol detach socket"\r |
8a67d61d | 180 | " failed with %r\n", Status));\r |
181 | \r | |
182 | Sock->IsDestroyed = FALSE;\r | |
183 | } else if (SOCK_IS_CONFIGURED (Sock)) {\r | |
184 | \r | |
185 | SockConnFlush (Sock);\r | |
186 | SockSetState (Sock, SO_CLOSED);\r | |
187 | \r | |
188 | Sock->ConfigureState = SO_UNCONFIGURED;\r | |
189 | }\r | |
190 | \r | |
e48e37fc | 191 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 192 | \r |
193 | if (EFI_ERROR (Status)) {\r | |
194 | return Status;\r | |
195 | }\r | |
196 | \r | |
197 | SockDestroy (Sock);\r | |
198 | return EFI_SUCCESS;\r | |
199 | }\r | |
200 | \r | |
201 | \r | |
202 | /**\r | |
203 | Create a socket and its associated protocol control block\r | |
204 | with the intial data SockInitData and protocol specific\r | |
205 | data ProtoData.\r | |
206 | \r | |
207 | @param SockInitData Inital data to setting the socket.\r | |
208 | @param ProtoData Pointer to the protocol specific data.\r | |
209 | @param Len Length of the protocol specific data.\r | |
210 | \r | |
211 | @return Pointer to the newly created socket. If NULL, error condition occured.\r | |
212 | \r | |
213 | **/\r | |
214 | SOCKET *\r | |
215 | SockCreateChild (\r | |
4f6e31e4 | 216 | IN SOCK_INIT_DATA *SockInitData\r |
8a67d61d | 217 | )\r |
218 | {\r | |
219 | SOCKET *Sock;\r | |
220 | EFI_STATUS Status;\r | |
221 | \r | |
8a67d61d | 222 | //\r |
223 | // create a new socket\r | |
224 | //\r | |
225 | Sock = SockCreate (SockInitData);\r | |
226 | if (NULL == Sock) {\r | |
227 | \r | |
e48e37fc | 228 | DEBUG ((EFI_D_ERROR, "SockCreateChild: No resource to "\r |
8a67d61d | 229 | "create a new socket\n"));\r |
230 | \r | |
231 | return NULL;\r | |
232 | }\r | |
233 | \r | |
e48e37fc | 234 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 235 | if (EFI_ERROR (Status)) {\r |
236 | \r | |
e48e37fc | 237 | DEBUG ((EFI_D_ERROR, "SockCreateChild: Get the lock to "\r |
8a67d61d | 238 | "access socket failed with %r\n", Status));\r |
239 | \r | |
240 | SockDestroy (Sock);\r | |
241 | return NULL;\r | |
242 | }\r | |
243 | //\r | |
244 | // inform the protocol layer to attach the socket\r | |
245 | // with a new protocol control block\r | |
246 | //\r | |
247 | Status = Sock->ProtoHandler (Sock, SOCK_ATTACH, NULL);\r | |
248 | if (EFI_ERROR (Status)) {\r | |
249 | \r | |
e48e37fc | 250 | DEBUG ((EFI_D_ERROR, "SockCreateChild: Protocol failed to"\r |
8a67d61d | 251 | " attach a socket with %r\n", Status));\r |
252 | \r | |
253 | SockDestroy (Sock);\r | |
254 | Sock = NULL;\r | |
255 | }\r | |
256 | \r | |
e48e37fc | 257 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 258 | return Sock;\r |
259 | }\r | |
260 | \r | |
261 | \r | |
262 | /**\r | |
263 | Configure the specific socket Sock using configuration data\r | |
264 | ConfigData.\r | |
265 | \r | |
266 | @param Sock Pointer to the socket to be configured.\r | |
267 | @param ConfigData Pointer to the configuration data.\r | |
268 | \r | |
269 | @retval EFI_SUCCESS The socket is configured successfully.\r | |
270 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket or the\r | |
271 | socket is already configured.\r | |
272 | \r | |
273 | **/\r | |
274 | EFI_STATUS\r | |
275 | SockConfigure (\r | |
276 | IN SOCKET *Sock,\r | |
277 | IN VOID *ConfigData\r | |
278 | )\r | |
279 | {\r | |
280 | EFI_STATUS Status;\r | |
281 | \r | |
e48e37fc | 282 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 283 | if (EFI_ERROR (Status)) {\r |
284 | \r | |
e48e37fc | 285 | DEBUG ((EFI_D_ERROR, "SockConfigure: Get the access for "\r |
8a67d61d | 286 | "socket failed with %r", Status));\r |
287 | \r | |
288 | return EFI_ACCESS_DENIED;\r | |
289 | }\r | |
290 | \r | |
291 | if (SOCK_IS_CONFIGURED (Sock)) {\r | |
292 | Status = EFI_ACCESS_DENIED;\r | |
293 | goto OnExit;\r | |
294 | }\r | |
295 | \r | |
296 | ASSERT (Sock->State == SO_CLOSED);\r | |
297 | \r | |
298 | Status = Sock->ProtoHandler (Sock, SOCK_CONFIGURE, ConfigData);\r | |
299 | \r | |
300 | OnExit:\r | |
e48e37fc | 301 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 302 | \r |
303 | return Status;\r | |
304 | }\r | |
305 | \r | |
306 | \r | |
307 | /**\r | |
308 | Initiate a connection establishment process.\r | |
309 | \r | |
310 | @param Sock Pointer to the socket to initiate the initate the\r | |
311 | connection.\r | |
312 | @param Token Pointer to the token used for the connection\r | |
313 | operation.\r | |
314 | \r | |
315 | @retval EFI_SUCCESS The connection is initialized successfully.\r | |
316 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r | |
317 | socket is closed, or the socket is not configured to\r | |
318 | be an active one, or the token is already in one of\r | |
319 | this socket's lists.\r | |
320 | @retval EFI_NO_MAPPING The IP address configuration operation is not\r | |
321 | finished.\r | |
322 | @retval EFI_NOT_STARTED The socket is not configured.\r | |
323 | \r | |
324 | **/\r | |
325 | EFI_STATUS\r | |
326 | SockConnect (\r | |
327 | IN SOCKET *Sock,\r | |
328 | IN VOID *Token\r | |
329 | )\r | |
330 | {\r | |
331 | EFI_STATUS Status;\r | |
332 | EFI_EVENT Event;\r | |
333 | \r | |
e48e37fc | 334 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 335 | if (EFI_ERROR (Status)) {\r |
336 | \r | |
e48e37fc | 337 | DEBUG ((EFI_D_ERROR, "SockConnect: Get the access for "\r |
8a67d61d | 338 | "socket failed with %r", Status));\r |
339 | \r | |
340 | return EFI_ACCESS_DENIED;\r | |
341 | }\r | |
342 | \r | |
343 | if (SOCK_IS_NO_MAPPING (Sock)) {\r | |
344 | Status = EFI_NO_MAPPING;\r | |
345 | goto OnExit;\r | |
346 | }\r | |
347 | \r | |
348 | if (SOCK_IS_UNCONFIGURED (Sock)) {\r | |
349 | \r | |
350 | Status = EFI_NOT_STARTED;\r | |
351 | goto OnExit;\r | |
352 | }\r | |
353 | \r | |
354 | if (!SOCK_IS_CLOSED (Sock) || !SOCK_IS_CONFIGURED_ACTIVE (Sock)) {\r | |
355 | \r | |
356 | Status = EFI_ACCESS_DENIED;\r | |
357 | goto OnExit;\r | |
358 | }\r | |
359 | \r | |
360 | Event = ((SOCK_COMPLETION_TOKEN *) Token)->Event;\r | |
361 | \r | |
362 | if (SockTokenExisted (Sock, Event)) {\r | |
363 | \r | |
364 | Status = EFI_ACCESS_DENIED;\r | |
365 | goto OnExit;\r | |
366 | }\r | |
367 | \r | |
368 | Sock->ConnectionToken = (SOCK_COMPLETION_TOKEN *) Token;\r | |
369 | SockSetState (Sock, SO_CONNECTING);\r | |
370 | Status = Sock->ProtoHandler (Sock, SOCK_CONNECT, NULL);\r | |
371 | \r | |
372 | OnExit:\r | |
e48e37fc | 373 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 374 | return Status;\r |
375 | }\r | |
376 | \r | |
377 | \r | |
378 | /**\r | |
379 | Issue a listen token to get an existed connected network instance\r | |
380 | or wait for a connection if there is none.\r | |
381 | \r | |
382 | @param Sock Pointer to the socket to accept connections.\r | |
383 | @param Token The token to accept a connection.\r | |
384 | \r | |
385 | @retval EFI_SUCCESS Either a connection is accpeted or the Token is\r | |
386 | buffered for further acception.\r | |
387 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r | |
388 | socket is closed, or the socket is not configured to\r | |
389 | be a passive one, or the token is already in one of\r | |
390 | this socket's lists.\r | |
391 | @retval EFI_NO_MAPPING The IP address configuration operation is not\r | |
392 | finished.\r | |
393 | @retval EFI_NOT_STARTED The socket is not configured.\r | |
394 | @retval EFI_OUT_OF_RESOURCE Failed to buffer the Token due to memory limit.\r | |
395 | \r | |
396 | **/\r | |
397 | EFI_STATUS\r | |
398 | SockAccept (\r | |
399 | IN SOCKET *Sock,\r | |
400 | IN VOID *Token\r | |
401 | )\r | |
402 | {\r | |
403 | EFI_TCP4_LISTEN_TOKEN *ListenToken;\r | |
e48e37fc | 404 | LIST_ENTRY *ListEntry;\r |
8a67d61d | 405 | EFI_STATUS Status;\r |
406 | SOCKET *Socket;\r | |
407 | EFI_EVENT Event;\r | |
408 | \r | |
409 | ASSERT (SOCK_STREAM == Sock->Type);\r | |
410 | \r | |
e48e37fc | 411 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 412 | if (EFI_ERROR (Status)) {\r |
413 | \r | |
e48e37fc | 414 | DEBUG ((EFI_D_ERROR, "SockAccept: Get the access for socket"\r |
8a67d61d | 415 | " failed with %r", Status));\r |
416 | \r | |
417 | return EFI_ACCESS_DENIED;\r | |
418 | }\r | |
419 | \r | |
420 | if (SOCK_IS_NO_MAPPING (Sock)) {\r | |
421 | Status = EFI_NO_MAPPING;\r | |
422 | goto Exit;\r | |
423 | }\r | |
424 | \r | |
425 | if (SOCK_IS_UNCONFIGURED (Sock)) {\r | |
426 | \r | |
427 | Status = EFI_NOT_STARTED;\r | |
428 | goto Exit;\r | |
429 | }\r | |
430 | \r | |
431 | if (!SOCK_IS_LISTENING (Sock)) {\r | |
432 | \r | |
433 | Status = EFI_ACCESS_DENIED;\r | |
434 | goto Exit;\r | |
435 | }\r | |
436 | \r | |
437 | Event = ((SOCK_COMPLETION_TOKEN *) Token)->Event;\r | |
438 | \r | |
439 | if (SockTokenExisted (Sock, Event)) {\r | |
440 | \r | |
441 | Status = EFI_ACCESS_DENIED;\r | |
442 | goto Exit;\r | |
443 | }\r | |
444 | \r | |
445 | ListenToken = (EFI_TCP4_LISTEN_TOKEN *) Token;\r | |
446 | \r | |
447 | //\r | |
448 | // Check if a connection has already in this Sock->ConnectionList\r | |
449 | //\r | |
450 | NET_LIST_FOR_EACH (ListEntry, &Sock->ConnectionList) {\r | |
451 | \r | |
452 | Socket = NET_LIST_USER_STRUCT (ListEntry, SOCKET, ConnectionList);\r | |
453 | \r | |
454 | if (SOCK_IS_CONNECTED (Socket)) {\r | |
455 | ListenToken->NewChildHandle = Socket->SockHandle;\r | |
456 | SIGNAL_TOKEN (&(ListenToken->CompletionToken), EFI_SUCCESS);\r | |
457 | \r | |
e48e37fc | 458 | RemoveEntryList (ListEntry);\r |
8a67d61d | 459 | \r |
460 | ASSERT (Socket->Parent);\r | |
461 | \r | |
462 | Socket->Parent->ConnCnt--;\r | |
463 | \r | |
e48e37fc | 464 | DEBUG (\r |
465 | (EFI_D_WARN,\r | |
466 | "SockAccept: Accept a socket, now conncount is %d",\r | |
467 | Socket->Parent->ConnCnt)\r | |
8a67d61d | 468 | );\r |
469 | Socket->Parent = NULL;\r | |
470 | \r | |
471 | goto Exit;\r | |
472 | }\r | |
473 | }\r | |
474 | \r | |
475 | //\r | |
476 | // Buffer this token for latter incoming connection request\r | |
477 | //\r | |
478 | if (NULL == SockBufferToken (Sock, &(Sock->ListenTokenList), Token, 0)) {\r | |
479 | \r | |
480 | Status = EFI_OUT_OF_RESOURCES;\r | |
481 | }\r | |
482 | \r | |
483 | Exit:\r | |
e48e37fc | 484 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 485 | \r |
486 | return Status;\r | |
487 | }\r | |
488 | \r | |
489 | \r | |
490 | /**\r | |
491 | Issue a token with data to the socket to send out.\r | |
492 | \r | |
493 | @param Sock Pointer to the socket to process the token with\r | |
494 | data.\r | |
495 | @param Token The token with data that needs to send out.\r | |
496 | \r | |
497 | @retval EFI_SUCCESS The token is processed successfully.\r | |
498 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r | |
499 | socket is closed, or the socket is not in a\r | |
500 | synchronized state , or the token is already in one\r | |
501 | of this socket's lists.\r | |
502 | @retval EFI_NO_MAPPING The IP address configuration operation is not\r | |
503 | finished.\r | |
504 | @retval EFI_NOT_STARTED The socket is not configured.\r | |
505 | @retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to memory limit.\r | |
506 | \r | |
507 | **/\r | |
508 | EFI_STATUS\r | |
509 | SockSend (\r | |
510 | IN SOCKET *Sock,\r | |
511 | IN VOID *Token\r | |
512 | )\r | |
513 | {\r | |
514 | SOCK_IO_TOKEN *SndToken;\r | |
515 | EFI_EVENT Event;\r | |
516 | UINT32 FreeSpace;\r | |
517 | EFI_TCP4_TRANSMIT_DATA *TxData;\r | |
518 | EFI_STATUS Status;\r | |
519 | SOCK_TOKEN *SockToken;\r | |
520 | UINT32 DataLen;\r | |
521 | \r | |
522 | ASSERT (SOCK_STREAM == Sock->Type);\r | |
523 | \r | |
e48e37fc | 524 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 525 | if (EFI_ERROR (Status)) {\r |
526 | \r | |
e48e37fc | 527 | DEBUG ((EFI_D_ERROR, "SockSend: Get the access for socket"\r |
8a67d61d | 528 | " failed with %r", Status));\r |
529 | \r | |
530 | return EFI_ACCESS_DENIED;\r | |
531 | }\r | |
532 | \r | |
533 | if (SOCK_IS_NO_MAPPING (Sock)) {\r | |
534 | Status = EFI_NO_MAPPING;\r | |
535 | goto Exit;\r | |
536 | }\r | |
537 | \r | |
538 | SndToken = (SOCK_IO_TOKEN *) Token;\r | |
539 | TxData = (EFI_TCP4_TRANSMIT_DATA *) SndToken->Packet.TxData;\r | |
540 | \r | |
541 | if (SOCK_IS_UNCONFIGURED (Sock)) {\r | |
542 | Status = EFI_NOT_STARTED;\r | |
543 | goto Exit;\r | |
544 | }\r | |
545 | \r | |
546 | if (!(SOCK_IS_CONNECTING (Sock) || SOCK_IS_CONNECTED (Sock))) {\r | |
547 | \r | |
548 | Status = EFI_ACCESS_DENIED;\r | |
549 | goto Exit;\r | |
550 | }\r | |
551 | \r | |
552 | //\r | |
553 | // check if a token is already in the token buffer\r | |
554 | //\r | |
555 | Event = SndToken->Token.Event;\r | |
556 | \r | |
557 | if (SockTokenExisted (Sock, Event)) {\r | |
558 | Status = EFI_ACCESS_DENIED;\r | |
559 | goto Exit;\r | |
560 | }\r | |
561 | \r | |
4eb65aff | 562 | DataLen = (UINT32) TxData->DataLength;\r |
8a67d61d | 563 | \r |
564 | //\r | |
565 | // process this sending token now or buffer it only?\r | |
566 | //\r | |
567 | FreeSpace = SockGetFreeSpace (Sock, SOCK_SND_BUF);\r | |
568 | \r | |
569 | if ((FreeSpace < Sock->SndBuffer.LowWater) || !SOCK_IS_CONNECTED (Sock)) {\r | |
570 | \r | |
571 | SockToken = SockBufferToken (\r | |
572 | Sock,\r | |
573 | &Sock->SndTokenList,\r | |
574 | SndToken,\r | |
575 | DataLen\r | |
576 | );\r | |
577 | \r | |
578 | if (NULL == SockToken) {\r | |
579 | Status = EFI_OUT_OF_RESOURCES;\r | |
580 | }\r | |
581 | } else {\r | |
582 | \r | |
583 | SockToken = SockBufferToken (\r | |
584 | Sock,\r | |
585 | &Sock->ProcessingSndTokenList,\r | |
586 | SndToken,\r | |
587 | DataLen\r | |
588 | );\r | |
589 | \r | |
590 | if (NULL == SockToken) {\r | |
e48e37fc | 591 | DEBUG ((EFI_D_ERROR, "SockSend: Failed to buffer IO token into"\r |
8a67d61d | 592 | " socket processing SndToken List\n", Status));\r |
593 | \r | |
594 | Status = EFI_OUT_OF_RESOURCES;\r | |
595 | goto Exit;\r | |
596 | }\r | |
597 | \r | |
598 | Status = SockProcessTcpSndData (Sock, TxData);\r | |
599 | \r | |
600 | if (EFI_ERROR (Status)) {\r | |
e48e37fc | 601 | DEBUG ((EFI_D_ERROR, "SockSend: Failed to process "\r |
8a67d61d | 602 | "Snd Data\n", Status));\r |
603 | \r | |
e48e37fc | 604 | RemoveEntryList (&(SockToken->TokenList));\r |
605 | gBS->FreePool (SockToken);\r | |
8a67d61d | 606 | }\r |
607 | }\r | |
608 | \r | |
609 | Exit:\r | |
e48e37fc | 610 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 611 | return Status;\r |
612 | }\r | |
613 | \r | |
614 | \r | |
615 | /**\r | |
616 | Issue a token to get data from the socket.\r | |
617 | \r | |
618 | @param Sock Pointer to the socket to get data from.\r | |
619 | @param Token The token to store the received data from the\r | |
620 | socket.\r | |
621 | \r | |
622 | @retval EFI_SUCCESS The token is processed successfully.\r | |
623 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r | |
624 | socket is closed, or the socket is not in a\r | |
625 | synchronized state , or the token is already in one\r | |
626 | of this socket's lists.\r | |
627 | @retval EFI_NO_MAPPING The IP address configuration operation is not\r | |
628 | finished.\r | |
629 | @retval EFI_NOT_STARTED The socket is not configured.\r | |
630 | @retval EFI_CONNECTION_FIN The connection is closed and there is no more data.\r | |
631 | @retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to memory limit.\r | |
632 | \r | |
633 | **/\r | |
634 | EFI_STATUS\r | |
635 | SockRcv (\r | |
636 | IN SOCKET *Sock,\r | |
637 | IN VOID *Token\r | |
638 | )\r | |
639 | {\r | |
640 | SOCK_IO_TOKEN *RcvToken;\r | |
641 | UINT32 RcvdBytes;\r | |
642 | EFI_STATUS Status;\r | |
643 | EFI_EVENT Event;\r | |
644 | \r | |
645 | ASSERT (SOCK_STREAM == Sock->Type);\r | |
646 | \r | |
e48e37fc | 647 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 648 | if (EFI_ERROR (Status)) {\r |
649 | \r | |
e48e37fc | 650 | DEBUG ((EFI_D_ERROR, "SockRcv: Get the access for socket"\r |
8a67d61d | 651 | " failed with %r", Status));\r |
652 | \r | |
653 | return EFI_ACCESS_DENIED;\r | |
654 | }\r | |
655 | \r | |
656 | if (SOCK_IS_NO_MAPPING (Sock)) {\r | |
657 | \r | |
658 | Status = EFI_NO_MAPPING;\r | |
659 | goto Exit;\r | |
660 | }\r | |
661 | \r | |
662 | if (SOCK_IS_UNCONFIGURED (Sock)) {\r | |
663 | \r | |
664 | Status = EFI_NOT_STARTED;\r | |
665 | goto Exit;\r | |
666 | }\r | |
667 | \r | |
668 | if (!(SOCK_IS_CONNECTED (Sock) || SOCK_IS_CONNECTING (Sock))) {\r | |
669 | \r | |
670 | Status = EFI_ACCESS_DENIED;\r | |
671 | goto Exit;\r | |
672 | }\r | |
673 | \r | |
674 | RcvToken = (SOCK_IO_TOKEN *) Token;\r | |
675 | \r | |
676 | //\r | |
677 | // check if a token is already in the token buffer of this socket\r | |
678 | //\r | |
679 | Event = RcvToken->Token.Event;\r | |
680 | if (SockTokenExisted (Sock, Event)) {\r | |
681 | Status = EFI_ACCESS_DENIED;\r | |
682 | goto Exit;\r | |
683 | }\r | |
684 | \r | |
685 | RcvToken = (SOCK_IO_TOKEN *) Token;\r | |
686 | RcvdBytes = GET_RCV_DATASIZE (Sock);\r | |
687 | \r | |
688 | //\r | |
689 | // check whether an error has happened before\r | |
690 | //\r | |
691 | if (EFI_ABORTED != Sock->SockError) {\r | |
692 | \r | |
693 | SIGNAL_TOKEN (&(RcvToken->Token), Sock->SockError);\r | |
694 | Sock->SockError = EFI_ABORTED;\r | |
695 | goto Exit;\r | |
696 | }\r | |
697 | \r | |
698 | //\r | |
699 | // check whether can not receive and there is no any\r | |
700 | // data buffered in Sock->RcvBuffer\r | |
701 | //\r | |
702 | if (SOCK_IS_NO_MORE_DATA (Sock) && (0 == RcvdBytes)) {\r | |
703 | \r | |
704 | Status = EFI_CONNECTION_FIN;\r | |
705 | goto Exit;\r | |
706 | }\r | |
707 | \r | |
708 | if (RcvdBytes != 0) {\r | |
709 | Status = SockProcessRcvToken (Sock, RcvToken);\r | |
710 | \r | |
711 | if (EFI_ERROR (Status)) {\r | |
712 | goto Exit;\r | |
713 | }\r | |
714 | \r | |
715 | Status = Sock->ProtoHandler (Sock, SOCK_CONSUMED, NULL);\r | |
716 | } else {\r | |
717 | \r | |
718 | if (NULL == SockBufferToken (Sock, &Sock->RcvTokenList, RcvToken, 0)) {\r | |
719 | Status = EFI_OUT_OF_RESOURCES;\r | |
720 | }\r | |
721 | }\r | |
722 | \r | |
723 | Exit:\r | |
e48e37fc | 724 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 725 | return Status;\r |
726 | }\r | |
727 | \r | |
728 | \r | |
729 | /**\r | |
730 | Reset the socket and its associated protocol control block.\r | |
731 | \r | |
732 | @param Sock Pointer to the socket to be flushed.\r | |
733 | \r | |
734 | @retval EFI_SUCCESS The socket is flushed successfully.\r | |
735 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.\r | |
736 | \r | |
737 | **/\r | |
738 | EFI_STATUS\r | |
739 | SockFlush (\r | |
740 | IN SOCKET *Sock\r | |
741 | )\r | |
742 | {\r | |
743 | EFI_STATUS Status;\r | |
744 | \r | |
745 | ASSERT (SOCK_STREAM == Sock->Type);\r | |
746 | \r | |
e48e37fc | 747 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 748 | if (EFI_ERROR (Status)) {\r |
749 | \r | |
e48e37fc | 750 | DEBUG ((EFI_D_ERROR, "SockFlush: Get the access for socket"\r |
8a67d61d | 751 | " failed with %r", Status));\r |
752 | \r | |
753 | return EFI_ACCESS_DENIED;\r | |
754 | }\r | |
755 | \r | |
756 | if (!SOCK_IS_CONFIGURED (Sock)) {\r | |
757 | goto Exit;\r | |
758 | }\r | |
759 | \r | |
760 | Status = Sock->ProtoHandler (Sock, SOCK_FLUSH, NULL);\r | |
761 | if (EFI_ERROR (Status)) {\r | |
762 | \r | |
e48e37fc | 763 | DEBUG ((EFI_D_ERROR, "SockFlush: Protocol failed handling"\r |
8a67d61d | 764 | " SOCK_FLUSH with %r", Status));\r |
765 | \r | |
766 | goto Exit;\r | |
767 | }\r | |
768 | \r | |
769 | SOCK_ERROR (Sock, EFI_ABORTED);\r | |
770 | SockConnFlush (Sock);\r | |
771 | SockSetState (Sock, SO_CLOSED);\r | |
772 | \r | |
773 | Sock->ConfigureState = SO_UNCONFIGURED;\r | |
774 | \r | |
775 | Exit:\r | |
e48e37fc | 776 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 777 | return Status;\r |
778 | }\r | |
779 | \r | |
780 | \r | |
781 | /**\r | |
782 | Close or abort the socket associated connection.\r | |
783 | \r | |
784 | @param Sock Pointer to the socket of the connection to close or\r | |
785 | abort.\r | |
786 | @param Token The token for close operation.\r | |
787 | @param OnAbort TRUE for aborting the connection, FALSE to close it.\r | |
788 | \r | |
789 | @retval EFI_SUCCESS The close or abort operation is initialized\r | |
790 | successfully.\r | |
791 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket, or the\r | |
792 | socket is closed, or the socket is not in a\r | |
793 | synchronized state , or the token is already in one\r | |
794 | of this socket's lists.\r | |
795 | @retval EFI_NO_MAPPING The IP address configuration operation is not\r | |
796 | finished.\r | |
797 | @retval EFI_NOT_STARTED The socket is not configured.\r | |
798 | \r | |
799 | **/\r | |
800 | EFI_STATUS\r | |
801 | SockClose (\r | |
802 | IN SOCKET *Sock,\r | |
803 | IN VOID *Token,\r | |
804 | IN BOOLEAN OnAbort\r | |
805 | )\r | |
806 | {\r | |
807 | EFI_STATUS Status;\r | |
808 | EFI_EVENT Event;\r | |
809 | \r | |
810 | ASSERT (SOCK_STREAM == Sock->Type);\r | |
811 | \r | |
e48e37fc | 812 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 813 | if (EFI_ERROR (Status)) {\r |
e48e37fc | 814 | DEBUG ((EFI_D_ERROR, "SockClose: Get the access for socket"\r |
8a67d61d | 815 | " failed with %r", Status));\r |
816 | \r | |
817 | return EFI_ACCESS_DENIED;\r | |
818 | }\r | |
819 | \r | |
820 | if (SOCK_IS_NO_MAPPING (Sock)) {\r | |
821 | Status = EFI_NO_MAPPING;\r | |
822 | goto Exit;\r | |
823 | }\r | |
824 | \r | |
825 | if (SOCK_IS_UNCONFIGURED (Sock)) {\r | |
826 | Status = EFI_NOT_STARTED;\r | |
827 | goto Exit;\r | |
828 | }\r | |
829 | \r | |
830 | if (SOCK_IS_DISCONNECTING (Sock)) {\r | |
831 | Status = EFI_ACCESS_DENIED;\r | |
832 | goto Exit;\r | |
833 | }\r | |
834 | \r | |
835 | Event = ((SOCK_COMPLETION_TOKEN *) Token)->Event;\r | |
836 | \r | |
837 | if (SockTokenExisted (Sock, Event)) {\r | |
838 | Status = EFI_ACCESS_DENIED;\r | |
839 | goto Exit;\r | |
840 | }\r | |
841 | \r | |
842 | Sock->CloseToken = Token;\r | |
843 | SockSetState (Sock, SO_DISCONNECTING);\r | |
844 | \r | |
845 | if (OnAbort) {\r | |
846 | Status = Sock->ProtoHandler (Sock, SOCK_ABORT, NULL);\r | |
847 | } else {\r | |
848 | Status = Sock->ProtoHandler (Sock, SOCK_CLOSE, NULL);\r | |
849 | }\r | |
850 | \r | |
851 | Exit:\r | |
e48e37fc | 852 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 853 | return Status;\r |
854 | }\r | |
855 | \r | |
856 | \r | |
857 | /**\r | |
858 | Get the mode data of the low layer protocol.\r | |
859 | \r | |
860 | @param Sock Pointer to the socket to get mode data from.\r | |
861 | @param Mode Pointer to the data to store the low layer mode\r | |
862 | information.\r | |
863 | \r | |
864 | @retval EFI_SUCCESS The mode data is got successfully.\r | |
865 | @retval EFI_NOT_STARTED The socket is not configured.\r | |
866 | \r | |
867 | **/\r | |
868 | EFI_STATUS\r | |
869 | SockGetMode (\r | |
870 | IN SOCKET *Sock,\r | |
871 | IN VOID *Mode\r | |
872 | )\r | |
873 | {\r | |
874 | return Sock->ProtoHandler (Sock, SOCK_MODE, Mode);\r | |
875 | }\r | |
876 | \r | |
877 | \r | |
878 | /**\r | |
879 | Configure the low level protocol to join a multicast group for\r | |
880 | this socket's connection.\r | |
881 | \r | |
882 | @param Sock Pointer to the socket of the connection to join the\r | |
883 | specific multicast group.\r | |
884 | @param GroupInfo Pointer to the multicast group info.\r | |
885 | \r | |
886 | @retval EFI_SUCCESS The configuration is done successfully.\r | |
887 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.\r | |
888 | @retval EFI_NOT_STARTED The socket is not configured.\r | |
889 | \r | |
890 | **/\r | |
891 | EFI_STATUS\r | |
892 | SockGroup (\r | |
893 | IN SOCKET *Sock,\r | |
894 | IN VOID *GroupInfo\r | |
895 | )\r | |
896 | {\r | |
897 | EFI_STATUS Status;\r | |
898 | \r | |
e48e37fc | 899 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 900 | \r |
901 | if (EFI_ERROR (Status)) {\r | |
902 | \r | |
e48e37fc | 903 | DEBUG ((EFI_D_ERROR, "SockGroup: Get the access for socket"\r |
8a67d61d | 904 | " failed with %r", Status));\r |
905 | \r | |
906 | return EFI_ACCESS_DENIED;\r | |
907 | }\r | |
908 | \r | |
909 | if (SOCK_IS_UNCONFIGURED (Sock)) {\r | |
910 | Status = EFI_NOT_STARTED;\r | |
911 | goto Exit;\r | |
912 | }\r | |
913 | \r | |
914 | Status = Sock->ProtoHandler (Sock, SOCK_GROUP, GroupInfo);\r | |
915 | \r | |
916 | Exit:\r | |
e48e37fc | 917 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 918 | return Status;\r |
919 | }\r | |
920 | \r | |
921 | \r | |
922 | /**\r | |
923 | Add or remove route information in IP route table associated\r | |
924 | with this socket.\r | |
925 | \r | |
926 | @param Sock Pointer to the socket associated with the IP route\r | |
927 | table to operate on.\r | |
928 | @param RouteInfo Pointer to the route information to be processed.\r | |
929 | \r | |
930 | @retval EFI_SUCCESS The route table is updated successfully.\r | |
931 | @retval EFI_ACCESS_DENIED Failed to get the lock to access the socket.\r | |
932 | @retval EFI_NO_MAPPING The IP address configuration operation is not\r | |
933 | finished.\r | |
934 | @retval EFI_NOT_STARTED The socket is not configured.\r | |
935 | \r | |
936 | **/\r | |
937 | EFI_STATUS\r | |
938 | SockRoute (\r | |
939 | IN SOCKET *Sock,\r | |
940 | IN VOID *RouteInfo\r | |
941 | )\r | |
942 | {\r | |
943 | EFI_STATUS Status;\r | |
944 | \r | |
e48e37fc | 945 | Status = EfiAcquireLockOrFail (&(Sock->Lock));\r |
8a67d61d | 946 | if (EFI_ERROR (Status)) {\r |
e48e37fc | 947 | DEBUG ((EFI_D_ERROR, "SockRoute: Get the access for socket"\r |
8a67d61d | 948 | " failed with %r", Status));\r |
949 | \r | |
950 | return EFI_ACCESS_DENIED;\r | |
951 | }\r | |
952 | \r | |
953 | if (SOCK_IS_NO_MAPPING (Sock)) {\r | |
954 | Status = EFI_NO_MAPPING;\r | |
955 | goto Exit;\r | |
956 | }\r | |
957 | \r | |
958 | if (SOCK_IS_UNCONFIGURED (Sock)) {\r | |
959 | Status = EFI_NOT_STARTED;\r | |
960 | goto Exit;\r | |
961 | }\r | |
962 | \r | |
963 | Status = Sock->ProtoHandler (Sock, SOCK_ROUTE, RouteInfo);\r | |
964 | \r | |
965 | Exit:\r | |
e48e37fc | 966 | EfiReleaseLock (&(Sock->Lock));\r |
8a67d61d | 967 | return Status;\r |
968 | }\r |