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8a67d61d | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2005 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | Tcp4Driver.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | \r | |
19 | **/\r | |
20 | \r | |
21 | #include "Tcp4Main.h"\r | |
22 | \r | |
23 | \r | |
120db52c | 24 | UINT16 mTcp4RandomPort;\r |
83cbd279 | 25 | extern EFI_COMPONENT_NAME_PROTOCOL gTcp4ComponentName;\r |
26 | extern EFI_COMPONENT_NAME2_PROTOCOL gTcp4ComponentName2;\r | |
8a67d61d | 27 | \r |
28 | TCP4_HEARTBEAT_TIMER mTcp4Timer = {\r | |
29 | NULL,\r | |
30 | 0\r | |
31 | };\r | |
32 | \r | |
33 | EFI_TCP4_PROTOCOL mTcp4ProtocolTemplate = {\r | |
34 | Tcp4GetModeData,\r | |
35 | Tcp4Configure,\r | |
36 | Tcp4Routes,\r | |
37 | Tcp4Connect,\r | |
38 | Tcp4Accept,\r | |
39 | Tcp4Transmit,\r | |
40 | Tcp4Receive,\r | |
41 | Tcp4Close,\r | |
42 | Tcp4Cancel,\r | |
43 | Tcp4Poll\r | |
44 | };\r | |
45 | \r | |
46 | SOCK_INIT_DATA mTcp4DefaultSockData = {\r | |
47 | SOCK_STREAM,\r | |
4eb65aff | 48 | (SOCK_STATE) 0,\r |
8a67d61d | 49 | NULL,\r |
50 | TCP_BACKLOG,\r | |
51 | TCP_SND_BUF_SIZE,\r | |
52 | TCP_RCV_BUF_SIZE,\r | |
53 | &mTcp4ProtocolTemplate,\r | |
4f6e31e4 | 54 | Tcp4CreateSocketCallback,\r |
55 | Tcp4DestroySocketCallback,\r | |
56 | NULL,\r | |
57 | NULL,\r | |
58 | 0,\r | |
8a67d61d | 59 | Tcp4Dispatcher,\r |
60 | NULL,\r | |
61 | };\r | |
62 | \r | |
63 | EFI_DRIVER_BINDING_PROTOCOL mTcp4DriverBinding = {\r | |
64 | Tcp4DriverBindingSupported,\r | |
65 | Tcp4DriverBindingStart,\r | |
66 | Tcp4DriverBindingStop,\r | |
67 | 0xa,\r | |
68 | NULL,\r | |
69 | NULL\r | |
70 | };\r | |
71 | \r | |
72 | EFI_SERVICE_BINDING_PROTOCOL mTcp4ServiceBinding = {\r | |
73 | Tcp4ServiceBindingCreateChild,\r | |
74 | Tcp4ServiceBindingDestroyChild\r | |
75 | };\r | |
76 | \r | |
77 | \r | |
78 | /**\r | |
79 | Create and start the heartbeat timer for TCP driver.\r | |
80 | \r | |
8a67d61d | 81 | @retval EFI_SUCCESS The timer is successfully created and started.\r |
82 | @retval other The timer is not created.\r | |
83 | \r | |
84 | **/\r | |
8a67d61d | 85 | EFI_STATUS\r |
86 | Tcp4CreateTimer (\r | |
87 | VOID\r | |
88 | )\r | |
89 | {\r | |
90 | EFI_STATUS Status;\r | |
91 | \r | |
92 | Status = EFI_SUCCESS;\r | |
93 | \r | |
94 | if (mTcp4Timer.RefCnt == 0) {\r | |
95 | \r | |
96 | Status = gBS->CreateEvent (\r | |
97 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
e48e37fc | 98 | TPL_NOTIFY,\r |
8a67d61d | 99 | TcpTicking,\r |
100 | NULL,\r | |
101 | &mTcp4Timer.TimerEvent\r | |
102 | );\r | |
103 | if (!EFI_ERROR (Status)) {\r | |
104 | \r | |
105 | Status = gBS->SetTimer (\r | |
106 | mTcp4Timer.TimerEvent,\r | |
107 | TimerPeriodic,\r | |
108 | (UINT64) (TICKS_PER_SECOND / TCP_TICK_HZ)\r | |
109 | );\r | |
110 | }\r | |
111 | }\r | |
112 | \r | |
113 | if (!EFI_ERROR (Status)) {\r | |
114 | \r | |
115 | mTcp4Timer.RefCnt++;\r | |
116 | }\r | |
117 | \r | |
118 | return Status;\r | |
119 | }\r | |
120 | \r | |
121 | \r | |
122 | /**\r | |
123 | Stop and destroy the heartbeat timer for TCP driver.\r | |
85511ddf | 124 | \r |
8a67d61d | 125 | **/\r |
8a67d61d | 126 | VOID\r |
120db52c | 127 | Tcp4DestroyTimer (\r |
128 | VOID\r | |
129 | )\r | |
8a67d61d | 130 | {\r |
131 | ASSERT (mTcp4Timer.RefCnt > 0);\r | |
132 | \r | |
133 | mTcp4Timer.RefCnt--;\r | |
134 | \r | |
135 | if (mTcp4Timer.RefCnt > 0) {\r | |
136 | return;\r | |
137 | }\r | |
138 | \r | |
139 | gBS->SetTimer (mTcp4Timer.TimerEvent, TimerCancel, 0);\r | |
140 | gBS->CloseEvent (mTcp4Timer.TimerEvent);\r | |
141 | mTcp4Timer.TimerEvent = NULL;\r | |
142 | }\r | |
143 | \r | |
85511ddf | 144 | /**\r |
120db52c | 145 | The entry point for Tcp4 driver, used to install Tcp4 driver on the ImageHandle.\r |
85511ddf | 146 | \r |
147 | @param ImageHandle The firmware allocated handle for this\r | |
148 | driver image.\r | |
149 | @param SystemTable Pointer to the EFI system table.\r | |
150 | \r | |
151 | @retval EFI_SUCCESS Driver loaded.\r | |
152 | @retval other Driver not loaded.\r | |
8a67d61d | 153 | \r |
85511ddf | 154 | **/\r |
8a67d61d | 155 | EFI_STATUS\r |
156 | EFIAPI\r | |
157 | Tcp4DriverEntryPoint (\r | |
158 | IN EFI_HANDLE ImageHandle,\r | |
159 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
160 | )\r | |
8a67d61d | 161 | {\r |
162 | EFI_STATUS Status;\r | |
163 | UINT32 Seed;\r | |
164 | \r | |
165 | //\r | |
166 | // Install the TCP4 Driver Binding Protocol\r | |
167 | //\r | |
83cbd279 | 168 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
8a67d61d | 169 | ImageHandle,\r |
170 | SystemTable,\r | |
171 | &mTcp4DriverBinding,\r | |
172 | ImageHandle,\r | |
173 | &gTcp4ComponentName,\r | |
83cbd279 | 174 | &gTcp4ComponentName2\r |
8a67d61d | 175 | );\r |
da1d0201 | 176 | ASSERT_EFI_ERROR (Status);\r |
8a67d61d | 177 | //\r |
178 | // Initialize ISS and random port.\r | |
179 | //\r | |
180 | Seed = NetRandomInitSeed ();\r | |
181 | mTcpGlobalIss = NET_RANDOM (Seed) % mTcpGlobalIss;\r | |
120db52c | 182 | mTcp4RandomPort = (UINT16) (TCP4_PORT_KNOWN +\r |
4eb65aff | 183 | (UINT16) (NET_RANDOM(Seed) % TCP4_PORT_KNOWN));\r |
8a67d61d | 184 | \r |
185 | return Status;\r | |
186 | }\r | |
187 | \r | |
188 | \r | |
189 | /**\r | |
190 | Test to see if this driver supports ControllerHandle.\r | |
191 | \r | |
192 | @param This Protocol instance pointer.\r | |
193 | @param ControllerHandle Handle of device to test.\r | |
194 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
195 | device to start.\r | |
196 | \r | |
197 | @retval EFI_SUCCESS This driver supports this device.\r | |
198 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
199 | @retval other This driver does not support this device.\r | |
200 | \r | |
201 | **/\r | |
202 | EFI_STATUS\r | |
203 | EFIAPI\r | |
204 | Tcp4DriverBindingSupported (\r | |
120db52c | 205 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
8a67d61d | 206 | IN EFI_HANDLE ControllerHandle,\r |
120db52c | 207 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r |
8a67d61d | 208 | )\r |
209 | {\r | |
210 | EFI_STATUS Status;\r | |
211 | \r | |
212 | //\r | |
213 | // Test for the Tcp4ServiceBinding Protocol\r | |
214 | //\r | |
215 | Status = gBS->OpenProtocol (\r | |
216 | ControllerHandle,\r | |
217 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
218 | NULL,\r | |
219 | This->DriverBindingHandle,\r | |
220 | ControllerHandle,\r | |
221 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
222 | );\r | |
223 | if (!EFI_ERROR (Status)) {\r | |
224 | return EFI_ALREADY_STARTED;\r | |
225 | }\r | |
226 | \r | |
227 | //\r | |
228 | // Test for the Ip4 Protocol\r | |
229 | //\r | |
230 | Status = gBS->OpenProtocol (\r | |
231 | ControllerHandle,\r | |
232 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
233 | NULL,\r | |
234 | This->DriverBindingHandle,\r | |
235 | ControllerHandle,\r | |
236 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
237 | );\r | |
238 | \r | |
239 | return Status;\r | |
240 | }\r | |
241 | \r | |
242 | \r | |
243 | /**\r | |
244 | Start this driver on ControllerHandle.\r | |
245 | \r | |
246 | @param This Protocol instance pointer.\r | |
247 | @param ControllerHandle Handle of device to bind driver to.\r | |
248 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
249 | device to start.\r | |
250 | \r | |
251 | @retval EFI_SUCCESS The driver is added to ControllerHandle.\r | |
252 | @retval EFI_OUT_OF_RESOURCES There are not enough resources to start the\r | |
253 | driver.\r | |
254 | @retval other The driver cannot be added to ControllerHandle.\r | |
255 | \r | |
256 | **/\r | |
257 | EFI_STATUS\r | |
258 | EFIAPI\r | |
259 | Tcp4DriverBindingStart (\r | |
120db52c | 260 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
8a67d61d | 261 | IN EFI_HANDLE ControllerHandle,\r |
120db52c | 262 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r |
8a67d61d | 263 | )\r |
264 | {\r | |
265 | EFI_STATUS Status;\r | |
266 | TCP4_SERVICE_DATA *TcpServiceData;\r | |
267 | IP_IO_OPEN_DATA OpenData;\r | |
268 | \r | |
e48e37fc | 269 | TcpServiceData = AllocateZeroPool (sizeof (TCP4_SERVICE_DATA));\r |
8a67d61d | 270 | \r |
271 | if (NULL == TcpServiceData) {\r | |
e48e37fc | 272 | DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Have no enough"\r |
8a67d61d | 273 | " resource to create a Tcp Servcie Data!\n"));\r |
274 | \r | |
275 | return EFI_OUT_OF_RESOURCES;\r | |
276 | }\r | |
277 | \r | |
278 | //\r | |
279 | // Create a new IP IO to Consume it\r | |
280 | //\r | |
281 | TcpServiceData->IpIo = IpIoCreate (This->DriverBindingHandle, ControllerHandle);\r | |
282 | if (NULL == TcpServiceData->IpIo) {\r | |
283 | \r | |
e48e37fc | 284 | DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Have no enough"\r |
8a67d61d | 285 | " resource to create an Ip Io!\n"));\r |
286 | \r | |
287 | Status = EFI_OUT_OF_RESOURCES;\r | |
c4a62a12 | 288 | goto ON_ERROR;\r |
8a67d61d | 289 | }\r |
290 | \r | |
291 | //\r | |
292 | // Configure and start IpIo.\r | |
293 | //\r | |
e48e37fc | 294 | ZeroMem (&OpenData, sizeof (IP_IO_OPEN_DATA));\r |
8a67d61d | 295 | \r |
687a2e5f | 296 | CopyMem (&OpenData.IpConfigData, &mIpIoDefaultIpConfigData, sizeof (OpenData.IpConfigData));\r |
8a67d61d | 297 | OpenData.IpConfigData.DefaultProtocol = EFI_IP_PROTO_TCP;\r |
298 | \r | |
299 | OpenData.PktRcvdNotify = Tcp4RxCallback;\r | |
300 | Status = IpIoOpen (TcpServiceData->IpIo, &OpenData);\r | |
301 | \r | |
302 | if (EFI_ERROR (Status)) {\r | |
c4a62a12 | 303 | goto ON_ERROR;\r |
8a67d61d | 304 | }\r |
305 | \r | |
306 | //\r | |
307 | // Create the timer event used by TCP driver\r | |
308 | //\r | |
309 | Status = Tcp4CreateTimer ();\r | |
310 | if (EFI_ERROR (Status)) {\r | |
311 | \r | |
e48e37fc | 312 | DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Create TcpTimer"\r |
8a67d61d | 313 | " Event failed with %r\n", Status));\r |
314 | \r | |
c4a62a12 | 315 | goto ON_ERROR;\r |
8a67d61d | 316 | }\r |
317 | \r | |
318 | //\r | |
319 | // Install the Tcp4ServiceBinding Protocol on the\r | |
320 | // controller handle\r | |
321 | //\r | |
322 | TcpServiceData->Tcp4ServiceBinding = mTcp4ServiceBinding;\r | |
323 | \r | |
324 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
325 | &ControllerHandle,\r | |
326 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
327 | &TcpServiceData->Tcp4ServiceBinding,\r | |
328 | NULL\r | |
329 | );\r | |
330 | if (EFI_ERROR (Status)) {\r | |
331 | \r | |
e48e37fc | 332 | DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Install Tcp4 Service Binding"\r |
8a67d61d | 333 | " Protocol failed for %r\n", Status));\r |
334 | \r | |
c4a62a12 | 335 | Tcp4DestroyTimer ();\r |
336 | goto ON_ERROR;\r | |
8a67d61d | 337 | }\r |
338 | \r | |
339 | //\r | |
340 | // Initialize member in TcpServiceData\r | |
341 | //\r | |
342 | TcpServiceData->ControllerHandle = ControllerHandle;\r | |
343 | TcpServiceData->Signature = TCP4_DRIVER_SIGNATURE;\r | |
344 | TcpServiceData->DriverBindingHandle = This->DriverBindingHandle;\r | |
345 | \r | |
e48e37fc | 346 | InitializeListHead (&TcpServiceData->SocketList);\r |
c4a62a12 | 347 | \r |
8a67d61d | 348 | TcpSetVariableData (TcpServiceData);\r |
349 | \r | |
350 | return EFI_SUCCESS;\r | |
351 | \r | |
c4a62a12 | 352 | ON_ERROR:\r |
8a67d61d | 353 | \r |
c4a62a12 | 354 | if (TcpServiceData->IpIo != NULL) {\r |
355 | IpIoDestroy (TcpServiceData->IpIo);\r | |
356 | }\r | |
8a67d61d | 357 | \r |
e48e37fc | 358 | gBS->FreePool (TcpServiceData);\r |
8a67d61d | 359 | \r |
360 | return Status;\r | |
361 | }\r | |
362 | \r | |
363 | \r | |
364 | /**\r | |
365 | Stop this driver on ControllerHandle.\r | |
366 | \r | |
367 | @param This Protocol instance pointer.\r | |
368 | @param ControllerHandle Handle of device to stop driver on.\r | |
369 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number\r | |
370 | of children is zero stop the entire bus driver.\r | |
371 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
372 | \r | |
373 | @retval EFI_SUCCESS This driver is removed from ControllerHandle.\r | |
374 | @retval other This driver is not removed from ControllerHandle.\r | |
375 | \r | |
376 | **/\r | |
377 | EFI_STATUS\r | |
378 | EFIAPI\r | |
379 | Tcp4DriverBindingStop (\r | |
380 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
381 | IN EFI_HANDLE ControllerHandle,\r | |
382 | IN UINTN NumberOfChildren,\r | |
383 | IN EFI_HANDLE *ChildHandleBuffer\r | |
384 | )\r | |
385 | {\r | |
386 | EFI_STATUS Status;\r | |
387 | EFI_HANDLE NicHandle;\r | |
c4a62a12 | 388 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r |
8a67d61d | 389 | TCP4_SERVICE_DATA *TcpServiceData;\r |
8a67d61d | 390 | SOCKET *Sock;\r |
8a67d61d | 391 | \r |
392 | // Find the NicHandle where Tcp4 ServiceBinding Protocol is installed.\r | |
393 | //\r | |
394 | NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);\r | |
395 | if (NicHandle == NULL) {\r | |
c4a62a12 | 396 | return EFI_DEVICE_ERROR;\r |
8a67d61d | 397 | }\r |
398 | \r | |
399 | //\r | |
400 | // Retrieve the TCP driver Data Structure\r | |
401 | //\r | |
402 | Status = gBS->OpenProtocol (\r | |
403 | NicHandle,\r | |
404 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
c4a62a12 | 405 | (VOID **) &ServiceBinding,\r |
8a67d61d | 406 | This->DriverBindingHandle,\r |
407 | ControllerHandle,\r | |
408 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
409 | );\r | |
410 | if (EFI_ERROR (Status)) {\r | |
411 | \r | |
e48e37fc | 412 | DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStop: Locate Tcp4 Service "\r |
8a67d61d | 413 | " Binding Protocol failed with %r\n", Status));\r |
414 | \r | |
c4a62a12 | 415 | return EFI_DEVICE_ERROR;\r |
8a67d61d | 416 | }\r |
417 | \r | |
c4a62a12 | 418 | TcpServiceData = TCP4_FROM_THIS (ServiceBinding);\r |
8a67d61d | 419 | \r |
c4a62a12 | 420 | if (NumberOfChildren == 0) {\r |
8a67d61d | 421 | //\r |
c4a62a12 | 422 | // Uninstall TCP servicebinding protocol\r |
8a67d61d | 423 | //\r |
c4a62a12 | 424 | gBS->UninstallMultipleProtocolInterfaces (\r |
425 | NicHandle,\r | |
426 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
427 | ServiceBinding,\r | |
428 | NULL\r | |
429 | );\r | |
8a67d61d | 430 | \r |
c4a62a12 | 431 | //\r |
432 | // Destroy the IpIO consumed by TCP driver\r | |
433 | //\r | |
434 | IpIoDestroy (TcpServiceData->IpIo);\r | |
8a67d61d | 435 | \r |
c4a62a12 | 436 | //\r |
437 | // Destroy the heartbeat timer.\r | |
438 | //\r | |
439 | Tcp4DestroyTimer ();\r | |
8a67d61d | 440 | \r |
c4a62a12 | 441 | //\r |
442 | // Clear the variable.\r | |
443 | //\r | |
444 | TcpClearVariableData (TcpServiceData);\r | |
8a67d61d | 445 | \r |
446 | //\r | |
c4a62a12 | 447 | // Release the TCP service data\r |
8a67d61d | 448 | //\r |
e48e37fc | 449 | gBS->FreePool (TcpServiceData);\r |
c4a62a12 | 450 | } else {\r |
8a67d61d | 451 | \r |
e48e37fc | 452 | while (!IsListEmpty (&TcpServiceData->SocketList)) {\r |
c4a62a12 | 453 | Sock = NET_LIST_HEAD (&TcpServiceData->SocketList, SOCKET, Link);\r |
8a67d61d | 454 | \r |
c4a62a12 | 455 | ServiceBinding->DestroyChild (ServiceBinding, Sock->SockHandle);\r |
8a67d61d | 456 | }\r |
457 | }\r | |
458 | \r | |
8a67d61d | 459 | return Status;\r |
460 | }\r | |
461 | \r | |
120db52c | 462 | /**\r |
463 | Open Ip4 and device path protocols for a created socket, and insert it in \r | |
464 | socket list.\r | |
465 | \r | |
466 | @param This Pointer to the socket just created\r | |
467 | @param Context Context of the socket\r | |
468 | \r | |
469 | @retval EFI_SUCCESS This protocol is installed successfully.\r | |
470 | @retval other Some error occured.\r | |
471 | \r | |
472 | **/\r | |
4f6e31e4 | 473 | EFI_STATUS\r |
474 | Tcp4CreateSocketCallback (\r | |
475 | IN SOCKET *This,\r | |
476 | IN VOID *Context\r | |
477 | )\r | |
478 | {\r | |
479 | EFI_STATUS Status;\r | |
480 | TCP4_SERVICE_DATA *TcpServiceData;\r | |
481 | EFI_IP4_PROTOCOL *Ip4;\r | |
482 | \r | |
483 | TcpServiceData = ((TCP4_PROTO_DATA *) This->ProtoReserved)->TcpService;\r | |
484 | \r | |
485 | //\r | |
486 | // Open the default Ip4 protocol of IP_IO BY_DRIVER.\r | |
487 | //\r | |
488 | Status = gBS->OpenProtocol (\r | |
489 | TcpServiceData->IpIo->ChildHandle,\r | |
490 | &gEfiIp4ProtocolGuid,\r | |
491 | (VOID **) &Ip4,\r | |
492 | TcpServiceData->DriverBindingHandle,\r | |
493 | This->SockHandle,\r | |
494 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
495 | );\r | |
496 | if (EFI_ERROR (Status)) {\r | |
497 | return Status;\r | |
498 | }\r | |
499 | \r | |
500 | //\r | |
501 | // Open the device path on the handle where service binding resides on.\r | |
502 | //\r | |
503 | Status = gBS->OpenProtocol (\r | |
504 | TcpServiceData->ControllerHandle,\r | |
505 | &gEfiDevicePathProtocolGuid,\r | |
506 | (VOID **) &This->ParentDevicePath,\r | |
507 | TcpServiceData->DriverBindingHandle,\r | |
508 | This->SockHandle,\r | |
509 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
510 | );\r | |
511 | if (EFI_ERROR (Status)) {\r | |
512 | gBS->CloseProtocol (\r | |
513 | TcpServiceData->IpIo->ChildHandle,\r | |
514 | &gEfiIp4ProtocolGuid,\r | |
515 | TcpServiceData->DriverBindingHandle,\r | |
516 | This->SockHandle\r | |
517 | );\r | |
518 | } else {\r | |
519 | //\r | |
520 | // Insert this socket into the SocketList.\r | |
521 | //\r | |
e48e37fc | 522 | InsertTailList (&TcpServiceData->SocketList, &This->Link);\r |
4f6e31e4 | 523 | }\r |
524 | \r | |
525 | return Status;\r | |
526 | }\r | |
527 | \r | |
120db52c | 528 | /**\r |
529 | Close Ip4 and device path protocols for a socket, and remove it from socket list. \r | |
530 | \r | |
531 | @param This Pointer to the socket to be removed\r | |
532 | @param Context Context of the socket\r | |
533 | \r | |
534 | **/\r | |
4f6e31e4 | 535 | VOID\r |
536 | Tcp4DestroySocketCallback (\r | |
537 | IN SOCKET *This,\r | |
538 | IN VOID *Context\r | |
539 | )\r | |
540 | {\r | |
541 | TCP4_SERVICE_DATA *TcpServiceData;\r | |
542 | \r | |
543 | TcpServiceData = ((TCP4_PROTO_DATA *) This->ProtoReserved)->TcpService;\r | |
544 | \r | |
545 | //\r | |
546 | // Remove this node from the list.\r | |
547 | //\r | |
e48e37fc | 548 | RemoveEntryList (&This->Link);\r |
4f6e31e4 | 549 | \r |
550 | //\r | |
551 | // Close the device path protocol\r | |
552 | //\r | |
553 | gBS->CloseProtocol (\r | |
554 | TcpServiceData->ControllerHandle,\r | |
555 | &gEfiDevicePathProtocolGuid,\r | |
556 | TcpServiceData->DriverBindingHandle,\r | |
557 | This->SockHandle\r | |
558 | );\r | |
559 | \r | |
560 | //\r | |
561 | // Close the Ip4 protocol.\r | |
562 | //\r | |
563 | gBS->CloseProtocol (\r | |
564 | TcpServiceData->IpIo->ChildHandle,\r | |
565 | &gEfiIp4ProtocolGuid,\r | |
566 | TcpServiceData->DriverBindingHandle,\r | |
567 | This->SockHandle\r | |
568 | );\r | |
569 | }\r | |
570 | \r | |
8a67d61d | 571 | /**\r |
572 | Creates a child handle with a set of TCP4 services.\r | |
573 | \r | |
574 | @param This Protocol instance pointer.\r | |
575 | @param ChildHandle Pointer to the handle of the child to create. If\r | |
576 | it is NULL, then a new handle is created. If it is\r | |
577 | not NULL, then the I/O services are added to the\r | |
578 | existing child handle.\r | |
579 | \r | |
580 | @retval EFI_SUCCESS The child handle is created.\r | |
581 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
582 | @retval EFI_OUT_OF_RESOURCES There are not enough resources to create the\r | |
583 | child.\r | |
584 | \r | |
585 | **/\r | |
586 | EFI_STATUS\r | |
587 | EFIAPI\r | |
588 | Tcp4ServiceBindingCreateChild (\r | |
589 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
590 | IN EFI_HANDLE *ChildHandle\r | |
591 | )\r | |
592 | {\r | |
593 | SOCKET *Sock;\r | |
594 | TCP4_SERVICE_DATA *TcpServiceData;\r | |
595 | TCP4_PROTO_DATA TcpProto;\r | |
596 | EFI_STATUS Status;\r | |
8a67d61d | 597 | EFI_TPL OldTpl;\r |
598 | \r | |
599 | if (NULL == This || NULL == ChildHandle) {\r | |
600 | return EFI_INVALID_PARAMETER;\r | |
601 | }\r | |
602 | \r | |
e48e37fc | 603 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
4f6e31e4 | 604 | Status = EFI_SUCCESS;\r |
8a67d61d | 605 | TcpServiceData = TCP4_FROM_THIS (This);\r |
606 | TcpProto.TcpService = TcpServiceData;\r | |
607 | TcpProto.TcpPcb = NULL;\r | |
608 | \r | |
609 | //\r | |
610 | // Create a tcp instance with defualt Tcp default\r | |
611 | // sock init data and TcpProto\r | |
612 | //\r | |
4f6e31e4 | 613 | mTcp4DefaultSockData.ProtoData = &TcpProto;\r |
614 | mTcp4DefaultSockData.DataSize = sizeof (TCP4_PROTO_DATA);\r | |
8a67d61d | 615 | mTcp4DefaultSockData.DriverBinding = TcpServiceData->DriverBindingHandle;\r |
e48e37fc | 616 | \r |
4f6e31e4 | 617 | Sock = SockCreateChild (&mTcp4DefaultSockData);\r |
8a67d61d | 618 | if (NULL == Sock) {\r |
e48e37fc | 619 | DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingCreateChild: "\r |
8a67d61d | 620 | "No resource to create a Tcp Child\n"));\r |
621 | \r | |
622 | Status = EFI_OUT_OF_RESOURCES;\r | |
c4a62a12 | 623 | } else {\r |
4f6e31e4 | 624 | *ChildHandle = Sock->SockHandle;\r |
8a67d61d | 625 | }\r |
626 | \r | |
e48e37fc | 627 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 628 | return Status;\r |
629 | }\r | |
630 | \r | |
631 | \r | |
632 | /**\r | |
633 | Destroys a child handle with a set of UDP4 services.\r | |
634 | \r | |
635 | @param This Protocol instance pointer.\r | |
636 | @param ChildHandle Handle of the child to be destroyed.\r | |
637 | \r | |
638 | @retval EFI_SUCCESS The TCP4 services are removed from the child\r | |
639 | handle.\r | |
640 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
641 | @retval other The child handle is not destroyed.\r | |
642 | \r | |
643 | **/\r | |
644 | EFI_STATUS\r | |
645 | EFIAPI\r | |
646 | Tcp4ServiceBindingDestroyChild (\r | |
647 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
648 | IN EFI_HANDLE ChildHandle\r | |
649 | )\r | |
650 | {\r | |
651 | EFI_STATUS Status;\r | |
652 | EFI_TCP4_PROTOCOL *Tcp4;\r | |
653 | SOCKET *Sock;\r | |
8a67d61d | 654 | EFI_TPL OldTpl;\r |
655 | \r | |
656 | if (NULL == This || NULL == ChildHandle) {\r | |
657 | return EFI_INVALID_PARAMETER;\r | |
658 | }\r | |
659 | \r | |
e48e37fc | 660 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
8a67d61d | 661 | \r |
662 | //\r | |
663 | // retrieve the Tcp4 protocol from ChildHandle\r | |
664 | //\r | |
665 | Status = gBS->OpenProtocol (\r | |
666 | ChildHandle,\r | |
667 | &gEfiTcp4ProtocolGuid,\r | |
668 | (VOID **) &Tcp4,\r | |
669 | mTcp4DriverBinding.DriverBindingHandle,\r | |
670 | ChildHandle,\r | |
671 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
672 | );\r | |
673 | if (EFI_ERROR (Status)) {\r | |
674 | Status = EFI_UNSUPPORTED;\r | |
4f6e31e4 | 675 | } else {\r |
676 | //\r | |
677 | // destroy this sock and related Tcp protocol control\r | |
678 | // block\r | |
679 | //\r | |
680 | Sock = SOCK_FROM_THIS (Tcp4);\r | |
e5e12de7 | 681 | \r |
4f6e31e4 | 682 | SockDestroyChild (Sock);\r |
683 | }\r | |
8a67d61d | 684 | \r |
e48e37fc | 685 | gBS->RestoreTPL (OldTpl);\r |
8a67d61d | 686 | return Status;\r |
687 | }\r | |
4f6e31e4 | 688 | \r |