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a3bcde70 HT |
1 | /** @file\r |
2 | The driver binding and service binding protocol for the TCP driver.\r | |
3 | \r | |
f75a7f56 | 4 | Copyright (c) 2009 - 2018, 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 | UINT16 mTcp4RandomPort;\r | |
19 | UINT16 mTcp6RandomPort;\r | |
20 | \r | |
21 | TCP_HEARTBEAT_TIMER mTcpTimer = {\r | |
22 | NULL,\r | |
23 | 0\r | |
24 | };\r | |
25 | \r | |
26 | EFI_TCP4_PROTOCOL gTcp4ProtocolTemplate = {\r | |
27 | Tcp4GetModeData,\r | |
28 | Tcp4Configure,\r | |
29 | Tcp4Routes,\r | |
30 | Tcp4Connect,\r | |
31 | Tcp4Accept,\r | |
32 | Tcp4Transmit,\r | |
33 | Tcp4Receive,\r | |
34 | Tcp4Close,\r | |
35 | Tcp4Cancel,\r | |
36 | Tcp4Poll\r | |
37 | };\r | |
38 | \r | |
39 | EFI_TCP6_PROTOCOL gTcp6ProtocolTemplate = {\r | |
40 | Tcp6GetModeData,\r | |
41 | Tcp6Configure,\r | |
42 | Tcp6Connect,\r | |
43 | Tcp6Accept,\r | |
44 | Tcp6Transmit,\r | |
45 | Tcp6Receive,\r | |
46 | Tcp6Close,\r | |
47 | Tcp6Cancel,\r | |
48 | Tcp6Poll\r | |
49 | };\r | |
50 | \r | |
51 | SOCK_INIT_DATA mTcpDefaultSockData = {\r | |
52 | SockStream,\r | |
53 | SO_CLOSED,\r | |
54 | NULL,\r | |
55 | TCP_BACKLOG,\r | |
56 | TCP_SND_BUF_SIZE,\r | |
57 | TCP_RCV_BUF_SIZE,\r | |
58 | IP_VERSION_4,\r | |
59 | NULL,\r | |
60 | TcpCreateSocketCallback,\r | |
61 | TcpDestroySocketCallback,\r | |
62 | NULL,\r | |
63 | NULL,\r | |
64 | 0,\r | |
65 | TcpDispatcher,\r | |
66 | NULL,\r | |
67 | };\r | |
68 | \r | |
6879581d | 69 | EFI_DRIVER_BINDING_PROTOCOL gTcp4DriverBinding = {\r |
70 | Tcp4DriverBindingSupported,\r | |
71 | Tcp4DriverBindingStart,\r | |
72 | Tcp4DriverBindingStop,\r | |
73 | 0xa,\r | |
74 | NULL,\r | |
75 | NULL\r | |
76 | };\r | |
77 | \r | |
78 | EFI_DRIVER_BINDING_PROTOCOL gTcp6DriverBinding = {\r | |
79 | Tcp6DriverBindingSupported,\r | |
80 | Tcp6DriverBindingStart,\r | |
81 | Tcp6DriverBindingStop,\r | |
a3bcde70 HT |
82 | 0xa,\r |
83 | NULL,\r | |
84 | NULL\r | |
85 | };\r | |
86 | \r | |
87 | EFI_SERVICE_BINDING_PROTOCOL gTcpServiceBinding = {\r | |
88 | TcpServiceBindingCreateChild,\r | |
89 | TcpServiceBindingDestroyChild\r | |
90 | };\r | |
91 | \r | |
92 | \r | |
93 | /**\r | |
94 | Create and start the heartbeat timer for the TCP driver.\r | |
95 | \r | |
96 | @retval EFI_SUCCESS The timer was successfully created and started.\r | |
97 | @retval other The timer was not created.\r | |
98 | \r | |
99 | **/\r | |
100 | EFI_STATUS\r | |
101 | TcpCreateTimer (\r | |
102 | VOID\r | |
103 | )\r | |
104 | {\r | |
105 | EFI_STATUS Status;\r | |
106 | \r | |
107 | Status = EFI_SUCCESS;\r | |
108 | \r | |
109 | if (mTcpTimer.RefCnt == 0) {\r | |
110 | \r | |
111 | Status = gBS->CreateEvent (\r | |
112 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
113 | TPL_NOTIFY,\r | |
114 | TcpTicking,\r | |
115 | NULL,\r | |
116 | &mTcpTimer.TimerEvent\r | |
117 | );\r | |
118 | if (!EFI_ERROR (Status)) {\r | |
119 | \r | |
120 | Status = gBS->SetTimer (\r | |
121 | mTcpTimer.TimerEvent,\r | |
122 | TimerPeriodic,\r | |
123 | (UINT64) (TICKS_PER_SECOND / TCP_TICK_HZ)\r | |
124 | );\r | |
125 | }\r | |
126 | }\r | |
127 | \r | |
128 | if (!EFI_ERROR (Status)) {\r | |
129 | \r | |
130 | mTcpTimer.RefCnt++;\r | |
131 | }\r | |
132 | \r | |
133 | return Status;\r | |
134 | }\r | |
135 | \r | |
136 | /**\r | |
137 | Stop and destroy the heartbeat timer for TCP driver.\r | |
138 | \r | |
139 | **/\r | |
140 | VOID\r | |
141 | TcpDestroyTimer (\r | |
142 | VOID\r | |
143 | )\r | |
144 | {\r | |
145 | ASSERT (mTcpTimer.RefCnt > 0);\r | |
146 | \r | |
147 | mTcpTimer.RefCnt--;\r | |
148 | \r | |
149 | if (mTcpTimer.RefCnt > 0) {\r | |
150 | return;\r | |
151 | }\r | |
152 | \r | |
153 | gBS->SetTimer (mTcpTimer.TimerEvent, TimerCancel, 0);\r | |
154 | gBS->CloseEvent (mTcpTimer.TimerEvent);\r | |
155 | mTcpTimer.TimerEvent = NULL;\r | |
156 | }\r | |
157 | \r | |
158 | /**\r | |
159 | The entry point for Tcp driver, which is used to install Tcp driver on the ImageHandle.\r | |
160 | \r | |
161 | @param[in] ImageHandle The firmware allocated handle for this driver image.\r | |
162 | @param[in] SystemTable Pointer to the EFI system table.\r | |
163 | \r | |
164 | @retval EFI_SUCCESS The driver loaded.\r | |
165 | @retval other The driver did not load.\r | |
166 | \r | |
167 | **/\r | |
168 | EFI_STATUS\r | |
169 | EFIAPI\r | |
170 | TcpDriverEntryPoint (\r | |
171 | IN EFI_HANDLE ImageHandle,\r | |
172 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
173 | )\r | |
174 | {\r | |
175 | EFI_STATUS Status;\r | |
176 | UINT32 Seed;\r | |
177 | \r | |
178 | //\r | |
179 | // Install the TCP Driver Binding Protocol\r | |
180 | //\r | |
181 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
182 | ImageHandle,\r | |
183 | SystemTable,\r | |
6879581d | 184 | &gTcp4DriverBinding,\r |
a3bcde70 HT |
185 | ImageHandle,\r |
186 | &gTcpComponentName,\r | |
187 | &gTcpComponentName2\r | |
188 | );\r | |
189 | if (EFI_ERROR (Status)) {\r | |
190 | return Status;\r | |
191 | }\r | |
192 | \r | |
6879581d | 193 | //\r |
194 | // Install the TCP Driver Binding Protocol\r | |
195 | //\r | |
196 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
197 | ImageHandle,\r | |
198 | SystemTable,\r | |
199 | &gTcp6DriverBinding,\r | |
200 | NULL,\r | |
201 | &gTcpComponentName,\r | |
202 | &gTcpComponentName2\r | |
203 | );\r | |
204 | if (EFI_ERROR (Status)) {\r | |
22b35e8b AS |
205 | EfiLibUninstallDriverBindingComponentName2 (\r |
206 | &gTcp4DriverBinding,\r | |
207 | &gTcpComponentName,\r | |
208 | &gTcpComponentName2\r | |
209 | );\r | |
6879581d | 210 | return Status;\r |
211 | }\r | |
212 | \r | |
a3bcde70 HT |
213 | //\r |
214 | // Initialize ISS and random port.\r | |
215 | //\r | |
216 | Seed = NetRandomInitSeed ();\r | |
217 | mTcpGlobalIss = NET_RANDOM (Seed) % mTcpGlobalIss;\r | |
218 | mTcp4RandomPort = (UINT16) (TCP_PORT_KNOWN + (NET_RANDOM (Seed) % TCP_PORT_KNOWN));\r | |
219 | mTcp6RandomPort = mTcp4RandomPort;\r | |
220 | \r | |
221 | return EFI_SUCCESS;\r | |
222 | }\r | |
223 | \r | |
224 | /**\r | |
225 | Create a new TCP4 or TCP6 driver service binding protocol\r | |
226 | \r | |
227 | @param[in] Controller Controller handle of device to bind driver to.\r | |
76389e18 | 228 | @param[in] Image The TCP driver's image handle.\r |
a3bcde70 HT |
229 | @param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.\r |
230 | \r | |
231 | @retval EFI_OUT_OF_RESOURCES Failed to allocate some resources.\r | |
232 | @retval EFI_SUCCESS A new IP6 service binding private was created.\r | |
233 | \r | |
234 | **/\r | |
235 | EFI_STATUS\r | |
236 | TcpCreateService (\r | |
237 | IN EFI_HANDLE Controller,\r | |
238 | IN EFI_HANDLE Image,\r | |
239 | IN UINT8 IpVersion\r | |
240 | )\r | |
241 | {\r | |
242 | EFI_STATUS Status;\r | |
243 | EFI_GUID *IpServiceBindingGuid;\r | |
244 | EFI_GUID *TcpServiceBindingGuid;\r | |
245 | TCP_SERVICE_DATA *TcpServiceData;\r | |
246 | IP_IO_OPEN_DATA OpenData;\r | |
247 | \r | |
248 | if (IpVersion == IP_VERSION_4) {\r | |
249 | IpServiceBindingGuid = &gEfiIp4ServiceBindingProtocolGuid;\r | |
250 | TcpServiceBindingGuid = &gEfiTcp4ServiceBindingProtocolGuid;\r | |
251 | } else {\r | |
252 | IpServiceBindingGuid = &gEfiIp6ServiceBindingProtocolGuid;\r | |
253 | TcpServiceBindingGuid = &gEfiTcp6ServiceBindingProtocolGuid;\r | |
254 | }\r | |
255 | \r | |
256 | Status = gBS->OpenProtocol (\r | |
257 | Controller,\r | |
258 | TcpServiceBindingGuid,\r | |
259 | NULL,\r | |
260 | Image,\r | |
261 | Controller,\r | |
262 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
263 | );\r | |
264 | if (!EFI_ERROR (Status)) {\r | |
265 | return EFI_ALREADY_STARTED;\r | |
266 | }\r | |
267 | \r | |
268 | Status = gBS->OpenProtocol (\r | |
269 | Controller,\r | |
270 | IpServiceBindingGuid,\r | |
271 | NULL,\r | |
272 | Image,\r | |
273 | Controller,\r | |
274 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
275 | );\r | |
276 | if (EFI_ERROR (Status)) {\r | |
277 | return EFI_UNSUPPORTED;\r | |
278 | }\r | |
279 | \r | |
280 | //\r | |
281 | // Create the TCP service data.\r | |
282 | //\r | |
283 | TcpServiceData = AllocateZeroPool (sizeof (TCP_SERVICE_DATA));\r | |
284 | if (TcpServiceData == NULL) {\r | |
285 | return EFI_OUT_OF_RESOURCES;\r | |
286 | }\r | |
287 | \r | |
288 | TcpServiceData->Signature = TCP_DRIVER_SIGNATURE;\r | |
289 | TcpServiceData->ControllerHandle = Controller;\r | |
290 | TcpServiceData->DriverBindingHandle = Image;\r | |
291 | TcpServiceData->IpVersion = IpVersion;\r | |
292 | CopyMem (\r | |
293 | &TcpServiceData->ServiceBinding,\r | |
294 | &gTcpServiceBinding,\r | |
295 | sizeof (EFI_SERVICE_BINDING_PROTOCOL)\r | |
296 | );\r | |
297 | \r | |
298 | TcpServiceData->IpIo = IpIoCreate (Image, Controller, IpVersion);\r | |
299 | if (TcpServiceData->IpIo == NULL) {\r | |
300 | Status = EFI_OUT_OF_RESOURCES;\r | |
301 | goto ON_ERROR;\r | |
302 | }\r | |
303 | \r | |
304 | \r | |
305 | InitializeListHead (&TcpServiceData->SocketList);\r | |
306 | ZeroMem (&OpenData, sizeof (IP_IO_OPEN_DATA));\r | |
307 | \r | |
308 | if (IpVersion == IP_VERSION_4) {\r | |
309 | CopyMem (\r | |
310 | &OpenData.IpConfigData.Ip4CfgData,\r | |
311 | &mIp4IoDefaultIpConfigData,\r | |
312 | sizeof (EFI_IP4_CONFIG_DATA)\r | |
313 | );\r | |
314 | OpenData.IpConfigData.Ip4CfgData.DefaultProtocol = EFI_IP_PROTO_TCP;\r | |
315 | } else {\r | |
316 | CopyMem (\r | |
317 | &OpenData.IpConfigData.Ip6CfgData,\r | |
318 | &mIp6IoDefaultIpConfigData,\r | |
319 | sizeof (EFI_IP6_CONFIG_DATA)\r | |
320 | );\r | |
321 | OpenData.IpConfigData.Ip6CfgData.DefaultProtocol = EFI_IP_PROTO_TCP;\r | |
322 | }\r | |
323 | \r | |
324 | OpenData.PktRcvdNotify = TcpRxCallback;\r | |
325 | Status = IpIoOpen (TcpServiceData->IpIo, &OpenData);\r | |
326 | if (EFI_ERROR (Status)) {\r | |
327 | goto ON_ERROR;\r | |
328 | }\r | |
329 | \r | |
330 | Status = TcpCreateTimer ();\r | |
331 | if (EFI_ERROR (Status)) {\r | |
332 | goto ON_ERROR;\r | |
333 | }\r | |
334 | \r | |
335 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
336 | &Controller,\r | |
337 | TcpServiceBindingGuid,\r | |
338 | &TcpServiceData->ServiceBinding,\r | |
339 | NULL\r | |
340 | );\r | |
341 | if (EFI_ERROR (Status)) {\r | |
342 | TcpDestroyTimer ();\r | |
343 | \r | |
344 | goto ON_ERROR;\r | |
345 | }\r | |
346 | \r | |
a3bcde70 HT |
347 | return EFI_SUCCESS;\r |
348 | \r | |
349 | ON_ERROR:\r | |
350 | \r | |
351 | if (TcpServiceData->IpIo != NULL) {\r | |
352 | IpIoDestroy (TcpServiceData->IpIo);\r | |
216f7970 | 353 | TcpServiceData->IpIo = NULL;\r |
a3bcde70 HT |
354 | }\r |
355 | \r | |
356 | FreePool (TcpServiceData);\r | |
357 | \r | |
358 | return Status;\r | |
359 | }\r | |
360 | \r | |
216f7970 | 361 | /**\r |
362 | Callback function which provided by user to remove one node in NetDestroyLinkList process.\r | |
f75a7f56 | 363 | \r |
216f7970 | 364 | @param[in] Entry The entry to be removed.\r |
365 | @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r | |
366 | \r | |
367 | @retval EFI_SUCCESS The entry has been removed successfully.\r | |
368 | @retval Others Fail to remove the entry.\r | |
369 | \r | |
370 | **/\r | |
371 | EFI_STATUS\r | |
1f7eb561 | 372 | EFIAPI\r |
216f7970 | 373 | TcpDestroyChildEntryInHandleBuffer (\r |
374 | IN LIST_ENTRY *Entry,\r | |
375 | IN VOID *Context\r | |
1f7eb561 | 376 | )\r |
216f7970 | 377 | {\r |
378 | SOCKET *Sock;\r | |
379 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
380 | UINTN NumberOfChildren;\r | |
381 | EFI_HANDLE *ChildHandleBuffer;\r | |
382 | \r | |
383 | if (Entry == NULL || Context == NULL) {\r | |
384 | return EFI_INVALID_PARAMETER;\r | |
385 | }\r | |
386 | \r | |
387 | Sock = NET_LIST_USER_STRUCT_S (Entry, SOCKET, Link, SOCK_SIGNATURE);\r | |
388 | ServiceBinding = ((TCP_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ServiceBinding;\r | |
389 | NumberOfChildren = ((TCP_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->NumberOfChildren;\r | |
390 | ChildHandleBuffer = ((TCP_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ChildHandleBuffer;\r | |
391 | \r | |
392 | if (!NetIsInHandleBuffer (Sock->SockHandle, NumberOfChildren, ChildHandleBuffer)) {\r | |
393 | return EFI_SUCCESS;\r | |
394 | }\r | |
395 | \r | |
396 | return ServiceBinding->DestroyChild (ServiceBinding, Sock->SockHandle);\r | |
397 | }\r | |
398 | \r | |
a3bcde70 HT |
399 | /**\r |
400 | Destroy a TCP6 or TCP4 service binding instance. It will release all\r | |
401 | the resources allocated by the instance.\r | |
402 | \r | |
403 | @param[in] Controller Controller handle of device to bind driver to.\r | |
404 | @param[in] ImageHandle The TCP driver's image handle.\r | |
216f7970 | 405 | @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number\r |
a3bcde70 | 406 | of children is zero stop the entire bus driver.\r |
216f7970 | 407 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r |
f75a7f56 | 408 | if NumberOfChildren is 0.\r |
a3bcde70 HT |
409 | @param[in] IpVersion IP_VERSION_4 or IP_VERSION_6\r |
410 | \r | |
411 | @retval EFI_SUCCESS The resources used by the instance were cleaned up.\r | |
412 | @retval Others Failed to clean up some of the resources.\r | |
413 | \r | |
414 | **/\r | |
415 | EFI_STATUS\r | |
416 | TcpDestroyService (\r | |
417 | IN EFI_HANDLE Controller,\r | |
418 | IN EFI_HANDLE ImageHandle,\r | |
419 | IN UINTN NumberOfChildren,\r | |
216f7970 | 420 | IN EFI_HANDLE *ChildHandleBuffer, OPTIONAL\r |
a3bcde70 HT |
421 | IN UINT8 IpVersion\r |
422 | )\r | |
423 | {\r | |
424 | EFI_HANDLE NicHandle;\r | |
425 | EFI_GUID *IpProtocolGuid;\r | |
426 | EFI_GUID *ServiceBindingGuid;\r | |
427 | EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r | |
428 | TCP_SERVICE_DATA *TcpServiceData;\r | |
429 | EFI_STATUS Status;\r | |
216f7970 | 430 | LIST_ENTRY *List;\r |
431 | TCP_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;\r | |
a3bcde70 HT |
432 | \r |
433 | ASSERT ((IpVersion == IP_VERSION_4) || (IpVersion == IP_VERSION_6));\r | |
434 | \r | |
435 | if (IpVersion == IP_VERSION_4) {\r | |
436 | IpProtocolGuid = &gEfiIp4ProtocolGuid;\r | |
437 | ServiceBindingGuid = &gEfiTcp4ServiceBindingProtocolGuid;\r | |
438 | } else {\r | |
439 | IpProtocolGuid = &gEfiIp6ProtocolGuid;\r | |
440 | ServiceBindingGuid = &gEfiTcp6ServiceBindingProtocolGuid;\r | |
441 | }\r | |
442 | \r | |
443 | NicHandle = NetLibGetNicHandle (Controller, IpProtocolGuid);\r | |
444 | if (NicHandle == NULL) {\r | |
216f7970 | 445 | return EFI_SUCCESS;\r |
a3bcde70 HT |
446 | }\r |
447 | \r | |
448 | Status = gBS->OpenProtocol (\r | |
449 | NicHandle,\r | |
450 | ServiceBindingGuid,\r | |
451 | (VOID **) &ServiceBinding,\r | |
452 | ImageHandle,\r | |
453 | Controller,\r | |
454 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
455 | );\r | |
456 | if (EFI_ERROR (Status)) {\r | |
457 | return EFI_DEVICE_ERROR;\r | |
458 | }\r | |
459 | \r | |
460 | TcpServiceData = TCP_SERVICE_FROM_THIS (ServiceBinding);\r | |
461 | \r | |
216f7970 | 462 | if (NumberOfChildren != 0) {\r |
463 | List = &TcpServiceData->SocketList;\r | |
464 | Context.ServiceBinding = ServiceBinding;\r | |
465 | Context.NumberOfChildren = NumberOfChildren;\r | |
466 | Context.ChildHandleBuffer = ChildHandleBuffer;\r | |
467 | Status = NetDestroyLinkList (\r | |
468 | List,\r | |
469 | TcpDestroyChildEntryInHandleBuffer,\r | |
470 | &Context,\r | |
471 | NULL\r | |
472 | );\r | |
473 | } else if (IsListEmpty (&TcpServiceData->SocketList)) {\r | |
a3bcde70 HT |
474 | //\r |
475 | // Uninstall TCP servicebinding protocol\r | |
476 | //\r | |
477 | gBS->UninstallMultipleProtocolInterfaces (\r | |
478 | NicHandle,\r | |
479 | ServiceBindingGuid,\r | |
480 | ServiceBinding,\r | |
481 | NULL\r | |
482 | );\r | |
483 | \r | |
484 | //\r | |
485 | // Destroy the IpIO consumed by TCP driver\r | |
486 | //\r | |
487 | IpIoDestroy (TcpServiceData->IpIo);\r | |
216f7970 | 488 | TcpServiceData->IpIo = NULL;\r |
a3bcde70 HT |
489 | \r |
490 | //\r | |
491 | // Destroy the heartbeat timer.\r | |
492 | //\r | |
493 | TcpDestroyTimer ();\r | |
494 | \r | |
a3bcde70 HT |
495 | //\r |
496 | // Release the TCP service data\r | |
497 | //\r | |
498 | FreePool (TcpServiceData);\r | |
a3bcde70 | 499 | \r |
216f7970 | 500 | Status = EFI_SUCCESS;\r |
a3bcde70 HT |
501 | }\r |
502 | \r | |
216f7970 | 503 | return Status;\r |
a3bcde70 HT |
504 | }\r |
505 | \r | |
506 | /**\r | |
507 | Test to see if this driver supports ControllerHandle.\r | |
508 | \r | |
509 | @param[in] This Protocol instance pointer.\r | |
510 | @param[in] ControllerHandle Handle of device to test.\r | |
511 | @param[in] RemainingDevicePath Optional parameter use to pick a specific\r | |
512 | child device to start.\r | |
513 | \r | |
514 | @retval EFI_SUCCESS This driver supports this device.\r | |
515 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
516 | @retval other This driver does not support this device.\r | |
517 | \r | |
518 | **/\r | |
519 | EFI_STATUS\r | |
520 | EFIAPI\r | |
6879581d | 521 | Tcp4DriverBindingSupported (\r |
a3bcde70 HT |
522 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
523 | IN EFI_HANDLE ControllerHandle,\r | |
524 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
525 | )\r | |
526 | {\r | |
527 | EFI_STATUS Status;\r | |
a3bcde70 HT |
528 | \r |
529 | //\r | |
530 | // Test for the Tcp4ServiceBinding Protocol\r | |
531 | //\r | |
532 | Status = gBS->OpenProtocol (\r | |
533 | ControllerHandle,\r | |
534 | &gEfiTcp4ServiceBindingProtocolGuid,\r | |
535 | NULL,\r | |
536 | This->DriverBindingHandle,\r | |
537 | ControllerHandle,\r | |
538 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
539 | );\r | |
6879581d | 540 | if (!EFI_ERROR (Status)) {\r |
541 | return EFI_ALREADY_STARTED;\r | |
542 | }\r | |
f75a7f56 | 543 | \r |
6879581d | 544 | //\r |
545 | // Test for the Ip4ServiceBinding Protocol\r | |
546 | //\r | |
547 | Status = gBS->OpenProtocol (\r | |
548 | ControllerHandle,\r | |
549 | &gEfiIp4ServiceBindingProtocolGuid,\r | |
550 | NULL,\r | |
551 | This->DriverBindingHandle,\r | |
552 | ControllerHandle,\r | |
553 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
554 | );\r | |
555 | return Status;\r | |
556 | }\r | |
a3bcde70 | 557 | \r |
6879581d | 558 | /**\r |
559 | Start this driver on ControllerHandle.\r | |
560 | \r | |
561 | @param[in] This Protocol instance pointer.\r | |
562 | @param[in] ControllerHandle Handle of device to bind driver to.\r | |
563 | @param[in] RemainingDevicePath Optional parameter use to pick a specific child\r | |
564 | device to start.\r | |
565 | \r | |
566 | @retval EFI_SUCCESS The driver is added to ControllerHandle.\r | |
567 | @retval EFI_OUT_OF_RESOURCES There are not enough resources to start the\r | |
568 | driver.\r | |
569 | @retval other The driver cannot be added to ControllerHandle.\r | |
570 | \r | |
571 | **/\r | |
572 | EFI_STATUS\r | |
573 | EFIAPI\r | |
574 | Tcp4DriverBindingStart (\r | |
575 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
576 | IN EFI_HANDLE ControllerHandle,\r | |
577 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
578 | )\r | |
579 | {\r | |
580 | EFI_STATUS Status;\r | |
581 | \r | |
582 | Status = TcpCreateService (ControllerHandle, This->DriverBindingHandle, IP_VERSION_4);\r | |
583 | if ((Status == EFI_ALREADY_STARTED) || (Status == EFI_UNSUPPORTED)) {\r | |
584 | Status = EFI_SUCCESS;\r | |
a3bcde70 HT |
585 | }\r |
586 | \r | |
6879581d | 587 | return Status;\r |
588 | }\r | |
589 | \r | |
590 | /**\r | |
591 | Stop this driver on ControllerHandle.\r | |
592 | \r | |
593 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
594 | @param[in] ControllerHandle A handle to the device being stopped. The handle must\r | |
595 | support a bus specific I/O protocol for the driver\r | |
596 | to use to stop the device.\r | |
597 | @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r | |
598 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r | |
599 | if NumberOfChildren is 0.\r | |
600 | \r | |
601 | @retval EFI_SUCCESS The device was stopped.\r | |
602 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r | |
603 | \r | |
604 | **/\r | |
605 | EFI_STATUS\r | |
606 | EFIAPI\r | |
607 | Tcp4DriverBindingStop (\r | |
608 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
609 | IN EFI_HANDLE ControllerHandle,\r | |
610 | IN UINTN NumberOfChildren,\r | |
611 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r | |
612 | )\r | |
613 | {\r | |
614 | return TcpDestroyService (\r | |
615 | ControllerHandle,\r | |
616 | This->DriverBindingHandle,\r | |
617 | NumberOfChildren,\r | |
618 | ChildHandleBuffer,\r | |
619 | IP_VERSION_4\r | |
620 | );\r | |
621 | }\r | |
622 | \r | |
623 | /**\r | |
624 | Test to see if this driver supports ControllerHandle.\r | |
625 | \r | |
626 | @param[in] This Protocol instance pointer.\r | |
627 | @param[in] ControllerHandle Handle of device to test.\r | |
628 | @param[in] RemainingDevicePath Optional parameter use to pick a specific\r | |
629 | child device to start.\r | |
630 | \r | |
631 | @retval EFI_SUCCESS This driver supports this device.\r | |
632 | @retval EFI_ALREADY_STARTED This driver is already running on this device.\r | |
633 | @retval other This driver does not support this device.\r | |
634 | \r | |
635 | **/\r | |
636 | EFI_STATUS\r | |
637 | EFIAPI\r | |
638 | Tcp6DriverBindingSupported (\r | |
639 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
640 | IN EFI_HANDLE ControllerHandle,\r | |
641 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
642 | )\r | |
643 | {\r | |
644 | EFI_STATUS Status;\r | |
645 | \r | |
a3bcde70 | 646 | //\r |
6879581d | 647 | // Test for the Tcp6ServiceBinding Protocol\r |
a3bcde70 HT |
648 | //\r |
649 | Status = gBS->OpenProtocol (\r | |
650 | ControllerHandle,\r | |
651 | &gEfiTcp6ServiceBindingProtocolGuid,\r | |
652 | NULL,\r | |
653 | This->DriverBindingHandle,\r | |
654 | ControllerHandle,\r | |
655 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
656 | );\r | |
6879581d | 657 | if (!EFI_ERROR (Status)) {\r |
a3bcde70 HT |
658 | return EFI_ALREADY_STARTED;\r |
659 | }\r | |
f75a7f56 | 660 | \r |
6879581d | 661 | //\r |
662 | // Test for the Ip6ServiceBinding Protocol\r | |
663 | //\r | |
664 | Status = gBS->OpenProtocol (\r | |
665 | ControllerHandle,\r | |
666 | &gEfiIp6ServiceBindingProtocolGuid,\r | |
667 | NULL,\r | |
668 | This->DriverBindingHandle,\r | |
669 | ControllerHandle,\r | |
670 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
671 | );\r | |
672 | return Status;\r | |
a3bcde70 HT |
673 | }\r |
674 | \r | |
675 | /**\r | |
676 | Start this driver on ControllerHandle.\r | |
677 | \r | |
678 | @param[in] This Protocol instance pointer.\r | |
679 | @param[in] ControllerHandle Handle of device to bind driver to.\r | |
680 | @param[in] RemainingDevicePath Optional parameter use to pick a specific child\r | |
681 | device to start.\r | |
682 | \r | |
683 | @retval EFI_SUCCESS The driver is added to ControllerHandle.\r | |
684 | @retval EFI_OUT_OF_RESOURCES There are not enough resources to start the\r | |
685 | driver.\r | |
686 | @retval other The driver cannot be added to ControllerHandle.\r | |
687 | \r | |
688 | **/\r | |
689 | EFI_STATUS\r | |
690 | EFIAPI\r | |
6879581d | 691 | Tcp6DriverBindingStart (\r |
a3bcde70 HT |
692 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
693 | IN EFI_HANDLE ControllerHandle,\r | |
694 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
695 | )\r | |
696 | {\r | |
6879581d | 697 | EFI_STATUS Status;\r |
a3bcde70 | 698 | \r |
6879581d | 699 | Status = TcpCreateService (ControllerHandle, This->DriverBindingHandle, IP_VERSION_6);\r |
700 | if ((Status == EFI_ALREADY_STARTED) || (Status == EFI_UNSUPPORTED)) {\r | |
701 | Status = EFI_SUCCESS;\r | |
a3bcde70 HT |
702 | }\r |
703 | \r | |
6879581d | 704 | return Status;\r |
a3bcde70 HT |
705 | }\r |
706 | \r | |
707 | /**\r | |
708 | Stop this driver on ControllerHandle.\r | |
709 | \r | |
710 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
711 | @param[in] ControllerHandle A handle to the device being stopped. The handle must\r | |
712 | support a bus specific I/O protocol for the driver\r | |
713 | to use to stop the device.\r | |
714 | @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r | |
715 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r | |
716 | if NumberOfChildren is 0.\r | |
717 | \r | |
718 | @retval EFI_SUCCESS The device was stopped.\r | |
719 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r | |
720 | \r | |
721 | **/\r | |
722 | EFI_STATUS\r | |
723 | EFIAPI\r | |
6879581d | 724 | Tcp6DriverBindingStop (\r |
a3bcde70 HT |
725 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
726 | IN EFI_HANDLE ControllerHandle,\r | |
727 | IN UINTN NumberOfChildren,\r | |
728 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r | |
729 | )\r | |
730 | {\r | |
6879581d | 731 | return TcpDestroyService (\r |
732 | ControllerHandle,\r | |
733 | This->DriverBindingHandle,\r | |
734 | NumberOfChildren,\r | |
735 | ChildHandleBuffer,\r | |
736 | IP_VERSION_6\r | |
737 | );\r | |
a3bcde70 HT |
738 | }\r |
739 | \r | |
740 | /**\r | |
741 | The Callback funtion called after the TCP socket was created.\r | |
742 | \r | |
743 | @param[in] This Pointer to the socket just created\r | |
744 | @param[in] Context Context of the socket\r | |
745 | \r | |
746 | @retval EFI_SUCCESS This protocol installed successfully.\r | |
747 | @retval other An error occured.\r | |
748 | \r | |
749 | **/\r | |
750 | EFI_STATUS\r | |
751 | TcpCreateSocketCallback (\r | |
752 | IN SOCKET *This,\r | |
753 | IN VOID *Context\r | |
754 | )\r | |
755 | {\r | |
756 | EFI_STATUS Status;\r | |
757 | TCP_SERVICE_DATA *TcpServiceData;\r | |
758 | EFI_GUID *IpProtocolGuid;\r | |
759 | VOID *Ip;\r | |
760 | \r | |
761 | if (This->IpVersion == IP_VERSION_4) {\r | |
762 | IpProtocolGuid = &gEfiIp4ProtocolGuid;\r | |
763 | } else {\r | |
764 | IpProtocolGuid = &gEfiIp6ProtocolGuid;\r | |
765 | }\r | |
766 | \r | |
767 | TcpServiceData = ((TCP_PROTO_DATA *) This->ProtoReserved)->TcpService;\r | |
768 | \r | |
769 | //\r | |
770 | // Open the default IP protocol of IP_IO BY_DRIVER.\r | |
771 | //\r | |
772 | Status = gBS->OpenProtocol (\r | |
773 | TcpServiceData->IpIo->ChildHandle,\r | |
774 | IpProtocolGuid,\r | |
775 | &Ip,\r | |
776 | TcpServiceData->DriverBindingHandle,\r | |
777 | This->SockHandle,\r | |
778 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
779 | );\r | |
780 | if (EFI_ERROR (Status)) {\r | |
781 | return Status;\r | |
782 | }\r | |
783 | \r | |
784 | //\r | |
785 | // Open the device path on the handle where service binding resides on.\r | |
786 | //\r | |
787 | Status = gBS->OpenProtocol (\r | |
788 | TcpServiceData->ControllerHandle,\r | |
789 | &gEfiDevicePathProtocolGuid,\r | |
790 | (VOID **) &This->ParentDevicePath,\r | |
791 | TcpServiceData->DriverBindingHandle,\r | |
792 | This->SockHandle,\r | |
bf1400b9 | 793 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r |
a3bcde70 HT |
794 | );\r |
795 | if (EFI_ERROR (Status)) {\r | |
796 | gBS->CloseProtocol (\r | |
797 | TcpServiceData->IpIo->ChildHandle,\r | |
798 | IpProtocolGuid,\r | |
799 | TcpServiceData->DriverBindingHandle,\r | |
800 | This->SockHandle\r | |
801 | );\r | |
802 | } else {\r | |
803 | //\r | |
804 | // Insert this socket into the SocketList.\r | |
805 | //\r | |
806 | InsertTailList (&TcpServiceData->SocketList, &This->Link);\r | |
807 | }\r | |
808 | \r | |
809 | return Status;\r | |
810 | }\r | |
811 | \r | |
812 | /**\r | |
813 | The callback function called before the TCP socket was to be destroyed.\r | |
814 | \r | |
815 | @param[in] This The TCP socket to be destroyed.\r | |
816 | @param[in] Context The context of the socket.\r | |
817 | \r | |
818 | **/\r | |
819 | VOID\r | |
820 | TcpDestroySocketCallback (\r | |
821 | IN SOCKET *This,\r | |
822 | IN VOID *Context\r | |
823 | )\r | |
824 | {\r | |
825 | TCP_SERVICE_DATA *TcpServiceData;\r | |
826 | EFI_GUID *IpProtocolGuid;\r | |
827 | \r | |
828 | if (This->IpVersion == IP_VERSION_4) {\r | |
829 | IpProtocolGuid = &gEfiIp4ProtocolGuid;\r | |
830 | } else {\r | |
831 | IpProtocolGuid = &gEfiIp6ProtocolGuid;\r | |
832 | }\r | |
833 | \r | |
834 | TcpServiceData = ((TCP_PROTO_DATA *) This->ProtoReserved)->TcpService;\r | |
835 | \r | |
836 | //\r | |
837 | // Remove this node from the list.\r | |
838 | //\r | |
839 | RemoveEntryList (&This->Link);\r | |
840 | \r | |
a3bcde70 HT |
841 | //\r |
842 | // Close the IP protocol.\r | |
843 | //\r | |
844 | gBS->CloseProtocol (\r | |
845 | TcpServiceData->IpIo->ChildHandle,\r | |
846 | IpProtocolGuid,\r | |
847 | TcpServiceData->DriverBindingHandle,\r | |
848 | This->SockHandle\r | |
849 | );\r | |
850 | }\r | |
851 | \r | |
852 | /**\r | |
853 | Creates a child handle with a set of TCP services.\r | |
854 | \r | |
855 | The CreateChild() function installs a protocol on ChildHandle.\r | |
856 | If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.\r | |
857 | If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.\r | |
858 | \r | |
859 | @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r | |
860 | @param[in, out] ChildHandle Pointer to the handle of the child to create.\r | |
861 | If it is NULL, then a new handle is created.\r | |
862 | If it is a pointer to an existing UEFI handle,\r | |
863 | then the protocol is added to the existing UEFI handle.\r | |
864 | \r | |
865 | @retval EFI_SUCCES The protocol was added to ChildHandle.\r | |
866 | @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r | |
c2adf51f | 867 | @retval EFI_OUT_OF_RESOURCES There are not enough resources available to create\r |
a3bcde70 HT |
868 | the child.\r |
869 | @retval other The child handle was not created.\r | |
870 | \r | |
871 | **/\r | |
872 | EFI_STATUS\r | |
873 | EFIAPI\r | |
874 | TcpServiceBindingCreateChild (\r | |
875 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
876 | IN OUT EFI_HANDLE *ChildHandle\r | |
877 | )\r | |
878 | {\r | |
879 | SOCKET *Sock;\r | |
880 | TCP_SERVICE_DATA *TcpServiceData;\r | |
881 | TCP_PROTO_DATA TcpProto;\r | |
882 | EFI_STATUS Status;\r | |
883 | EFI_TPL OldTpl;\r | |
884 | \r | |
885 | if (NULL == This || NULL == ChildHandle) {\r | |
886 | return EFI_INVALID_PARAMETER;\r | |
887 | }\r | |
888 | \r | |
889 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
890 | \r | |
891 | Status = EFI_SUCCESS;\r | |
892 | TcpServiceData = TCP_SERVICE_FROM_THIS (This);\r | |
893 | TcpProto.TcpService = TcpServiceData;\r | |
894 | TcpProto.TcpPcb = NULL;\r | |
895 | \r | |
896 | //\r | |
897 | // Create a tcp instance with defualt Tcp default\r | |
898 | // sock init data and TcpProto\r | |
899 | //\r | |
900 | mTcpDefaultSockData.ProtoData = &TcpProto;\r | |
901 | mTcpDefaultSockData.DataSize = sizeof (TCP_PROTO_DATA);\r | |
902 | mTcpDefaultSockData.DriverBinding = TcpServiceData->DriverBindingHandle;\r | |
903 | mTcpDefaultSockData.IpVersion = TcpServiceData->IpVersion;\r | |
904 | \r | |
905 | if (TcpServiceData->IpVersion == IP_VERSION_4) {\r | |
906 | mTcpDefaultSockData.Protocol = &gTcp4ProtocolTemplate;\r | |
907 | } else {\r | |
908 | mTcpDefaultSockData.Protocol = &gTcp6ProtocolTemplate;\r | |
909 | }\r | |
910 | \r | |
911 | Sock = SockCreateChild (&mTcpDefaultSockData);\r | |
912 | if (NULL == Sock) {\r | |
913 | DEBUG (\r | |
914 | (EFI_D_ERROR,\r | |
915 | "TcpDriverBindingCreateChild: No resource to create a Tcp Child\n")\r | |
916 | );\r | |
917 | \r | |
918 | Status = EFI_OUT_OF_RESOURCES;\r | |
919 | } else {\r | |
920 | *ChildHandle = Sock->SockHandle;\r | |
921 | }\r | |
922 | \r | |
923 | mTcpDefaultSockData.ProtoData = NULL;\r | |
924 | \r | |
925 | gBS->RestoreTPL (OldTpl);\r | |
926 | return Status;\r | |
927 | }\r | |
928 | \r | |
929 | /**\r | |
930 | Destroys a child handle with a set of TCP services.\r | |
931 | \r | |
932 | The DestroyChild() function does the opposite of CreateChild(). It removes a protocol\r | |
933 | that was installed by CreateChild() from ChildHandle. If the removed protocol is the\r | |
934 | last protocol on ChildHandle, then ChildHandle is destroyed.\r | |
935 | \r | |
936 | @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r | |
937 | @param ChildHandle Handle of the child to be destroyed.\r | |
938 | \r | |
939 | @retval EFI_SUCCES The protocol was removed from ChildHandle.\r | |
940 | @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.\r | |
15ee13fc | 941 | @retval EFI_INVALID_PARAMETER Child handle is NULL.\r |
a3bcde70 HT |
942 | @retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle\r |
943 | because its services are being used.\r | |
944 | @retval other The child handle was not destroyed.\r | |
945 | \r | |
946 | **/\r | |
947 | EFI_STATUS\r | |
948 | EFIAPI\r | |
949 | TcpServiceBindingDestroyChild (\r | |
950 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r | |
951 | IN EFI_HANDLE ChildHandle\r | |
952 | )\r | |
953 | {\r | |
954 | EFI_STATUS Status;\r | |
955 | VOID *Tcp;\r | |
956 | SOCKET *Sock;\r | |
a3bcde70 HT |
957 | \r |
958 | if (NULL == This || NULL == ChildHandle) {\r | |
959 | return EFI_INVALID_PARAMETER;\r | |
960 | }\r | |
961 | \r | |
a3bcde70 HT |
962 | //\r |
963 | // retrieve the Tcp4 protocol from ChildHandle\r | |
964 | //\r | |
965 | Status = gBS->OpenProtocol (\r | |
966 | ChildHandle,\r | |
967 | &gEfiTcp4ProtocolGuid,\r | |
968 | &Tcp,\r | |
6879581d | 969 | gTcp4DriverBinding.DriverBindingHandle,\r |
a3bcde70 HT |
970 | ChildHandle,\r |
971 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
972 | );\r | |
973 | if (EFI_ERROR (Status)) {\r | |
974 | //\r | |
975 | // No Tcp4, try the Tcp6 protocol\r | |
976 | //\r | |
977 | Status = gBS->OpenProtocol (\r | |
978 | ChildHandle,\r | |
979 | &gEfiTcp6ProtocolGuid,\r | |
980 | &Tcp,\r | |
6879581d | 981 | gTcp6DriverBinding.DriverBindingHandle,\r |
a3bcde70 HT |
982 | ChildHandle,\r |
983 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
984 | );\r | |
985 | if (EFI_ERROR (Status)) {\r | |
986 | Status = EFI_UNSUPPORTED;\r | |
987 | }\r | |
988 | }\r | |
989 | \r | |
990 | if (!EFI_ERROR (Status)) {\r | |
991 | //\r | |
992 | // destroy this sock and related Tcp protocol control\r | |
993 | // block\r | |
994 | //\r | |
995 | Sock = SOCK_FROM_THIS (Tcp);\r | |
996 | \r | |
997 | SockDestroyChild (Sock);\r | |
998 | }\r | |
999 | \r | |
a3bcde70 HT |
1000 | return Status;\r |
1001 | }\r |