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1 | /** @file\r |
2 | The implementation of a dispatch routine for processing TCP requests.\r | |
3 | \r | |
4 | Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r | |
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 | Add or remove a route entry in the IP route table associated with this TCP instance.\r | |
20 | \r | |
21 | @param[in] Tcb Pointer to the TCP_CB of this TCP instance.\r | |
22 | @param[in] RouteInfo Pointer to the route information to be processed.\r | |
23 | \r | |
24 | @retval EFI_SUCCESS The operation completed successfully.\r | |
25 | @retval EFI_NOT_STARTED The driver instance has not been started.\r | |
26 | @retval EFI_NO_MAPPING When using the default address, configuration(DHCP,\r | |
27 | BOOTP, RARP, etc.) is not finished yet.\r | |
28 | @retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.\r | |
29 | @retval EFI_NOT_FOUND This route is not in the routing table\r | |
30 | (when RouteInfo->DeleteRoute is TRUE).\r | |
31 | @retval EFI_ACCESS_DENIED The route is already defined in the routing table\r | |
32 | (when RouteInfo->DeleteRoute is FALSE).\r | |
33 | **/\r | |
34 | EFI_STATUS\r | |
35 | Tcp4Route (\r | |
36 | IN TCP_CB *Tcb,\r | |
37 | IN TCP4_ROUTE_INFO *RouteInfo\r | |
38 | )\r | |
39 | {\r | |
40 | IP_IO_IP_PROTOCOL Ip;\r | |
41 | \r | |
42 | Ip = Tcb->IpInfo->Ip;\r | |
43 | \r | |
44 | ASSERT (Ip.Ip4!= NULL);\r | |
45 | \r | |
46 | return Ip.Ip4->Routes (\r | |
47 | Ip.Ip4,\r | |
48 | RouteInfo->DeleteRoute,\r | |
49 | RouteInfo->SubnetAddress,\r | |
50 | RouteInfo->SubnetMask,\r | |
51 | RouteInfo->GatewayAddress\r | |
52 | );\r | |
53 | \r | |
54 | }\r | |
55 | \r | |
56 | /**\r | |
57 | Get the operational settings of this TCPv4 instance.\r | |
58 | \r | |
59 | @param[in] Tcb Pointer to the TCP_CB of this TCP instance.\r | |
60 | @param[in, out] Mode Pointer to the buffer to store the operational\r | |
61 | settings.\r | |
62 | \r | |
63 | @retval EFI_SUCCESS The mode data was read.\r | |
64 | @retval EFI_NOT_STARTED No configuration data is available because this\r | |
65 | instance hasn't been started.\r | |
66 | \r | |
67 | **/\r | |
68 | EFI_STATUS\r | |
69 | Tcp4GetMode (\r | |
70 | IN TCP_CB *Tcb,\r | |
71 | IN OUT TCP4_MODE_DATA *Mode\r | |
72 | )\r | |
73 | {\r | |
74 | SOCKET *Sock;\r | |
75 | EFI_TCP4_CONFIG_DATA *ConfigData;\r | |
76 | EFI_TCP4_ACCESS_POINT *AccessPoint;\r | |
77 | EFI_TCP4_OPTION *Option;\r | |
78 | EFI_IP4_PROTOCOL *Ip;\r | |
79 | \r | |
80 | Sock = Tcb->Sk;\r | |
81 | \r | |
82 | if (!SOCK_IS_CONFIGURED (Sock) && (Mode->Tcp4ConfigData != NULL)) {\r | |
83 | return EFI_NOT_STARTED;\r | |
84 | }\r | |
85 | \r | |
86 | if (Mode->Tcp4State != NULL) {\r | |
87 | *(Mode->Tcp4State) = (EFI_TCP4_CONNECTION_STATE) Tcb->State;\r | |
88 | }\r | |
89 | \r | |
90 | if (Mode->Tcp4ConfigData != NULL) {\r | |
91 | \r | |
92 | ConfigData = Mode->Tcp4ConfigData;\r | |
93 | AccessPoint = &(ConfigData->AccessPoint);\r | |
94 | Option = ConfigData->ControlOption;\r | |
95 | \r | |
96 | ConfigData->TypeOfService = Tcb->Tos;\r | |
97 | ConfigData->TimeToLive = Tcb->Ttl;\r | |
98 | \r | |
99 | AccessPoint->UseDefaultAddress = Tcb->UseDefaultAddr;\r | |
100 | \r | |
101 | CopyMem (&AccessPoint->StationAddress, &Tcb->LocalEnd.Ip, sizeof (EFI_IPv4_ADDRESS));\r | |
102 | \r | |
103 | AccessPoint->SubnetMask = Tcb->SubnetMask;\r | |
104 | AccessPoint->StationPort = NTOHS (Tcb->LocalEnd.Port);\r | |
105 | \r | |
106 | CopyMem (&AccessPoint->RemoteAddress, &Tcb->RemoteEnd.Ip, sizeof (EFI_IPv4_ADDRESS));\r | |
107 | \r | |
108 | AccessPoint->RemotePort = NTOHS (Tcb->RemoteEnd.Port);\r | |
109 | AccessPoint->ActiveFlag = (BOOLEAN) (Tcb->State != TCP_LISTEN);\r | |
110 | \r | |
111 | if (Option != NULL) {\r | |
112 | Option->ReceiveBufferSize = GET_RCV_BUFFSIZE (Tcb->Sk);\r | |
113 | Option->SendBufferSize = GET_SND_BUFFSIZE (Tcb->Sk);\r | |
114 | Option->MaxSynBackLog = GET_BACKLOG (Tcb->Sk);\r | |
115 | \r | |
116 | Option->ConnectionTimeout = Tcb->ConnectTimeout / TCP_TICK_HZ;\r | |
117 | Option->DataRetries = Tcb->MaxRexmit;\r | |
118 | Option->FinTimeout = Tcb->FinWait2Timeout / TCP_TICK_HZ;\r | |
119 | Option->TimeWaitTimeout = Tcb->TimeWaitTimeout / TCP_TICK_HZ;\r | |
120 | Option->KeepAliveProbes = Tcb->MaxKeepAlive;\r | |
121 | Option->KeepAliveTime = Tcb->KeepAliveIdle / TCP_TICK_HZ;\r | |
122 | Option->KeepAliveInterval = Tcb->KeepAlivePeriod / TCP_TICK_HZ;\r | |
123 | \r | |
124 | Option->EnableNagle = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE));\r | |
125 | Option->EnableTimeStamp = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_TS));\r | |
126 | Option->EnableWindowScaling = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_WS));\r | |
127 | \r | |
128 | Option->EnableSelectiveAck = FALSE;\r | |
129 | Option->EnablePathMtuDiscovery = FALSE;\r | |
130 | }\r | |
131 | }\r | |
132 | \r | |
133 | Ip = Tcb->IpInfo->Ip.Ip4;\r | |
134 | ASSERT (Ip != NULL);\r | |
135 | \r | |
136 | return Ip->GetModeData (Ip, Mode->Ip4ModeData, Mode->MnpConfigData, Mode->SnpModeData);\r | |
137 | }\r | |
138 | \r | |
139 | /**\r | |
140 | Get the operational settings of this TCPv6 instance.\r | |
141 | \r | |
142 | @param[in] Tcb Pointer to the TCP_CB of this TCP instance.\r | |
143 | @param[in, out] Mode Pointer to the buffer to store the operational\r | |
144 | settings.\r | |
145 | \r | |
146 | @retval EFI_SUCCESS The mode data was read.\r | |
147 | @retval EFI_NOT_STARTED No configuration data is available because this\r | |
148 | instance hasn't been started.\r | |
149 | \r | |
150 | **/\r | |
151 | EFI_STATUS\r | |
152 | Tcp6GetMode (\r | |
153 | IN TCP_CB *Tcb,\r | |
154 | IN OUT TCP6_MODE_DATA *Mode\r | |
155 | )\r | |
156 | {\r | |
157 | SOCKET *Sock;\r | |
158 | EFI_TCP6_CONFIG_DATA *ConfigData;\r | |
159 | EFI_TCP6_ACCESS_POINT *AccessPoint;\r | |
160 | EFI_TCP6_OPTION *Option;\r | |
161 | EFI_IP6_PROTOCOL *Ip;\r | |
162 | \r | |
163 | Sock = Tcb->Sk;\r | |
164 | \r | |
165 | if (!SOCK_IS_CONFIGURED (Sock) && (Mode->Tcp6ConfigData != NULL)) {\r | |
166 | return EFI_NOT_STARTED;\r | |
167 | }\r | |
168 | \r | |
169 | if (Mode->Tcp6State != NULL) {\r | |
170 | *(Mode->Tcp6State) = (EFI_TCP6_CONNECTION_STATE) (Tcb->State);\r | |
171 | }\r | |
172 | \r | |
173 | if (Mode->Tcp6ConfigData != NULL) {\r | |
174 | \r | |
175 | ConfigData = Mode->Tcp6ConfigData;\r | |
176 | AccessPoint = &(ConfigData->AccessPoint);\r | |
177 | Option = ConfigData->ControlOption;\r | |
178 | \r | |
179 | ConfigData->TrafficClass = Tcb->Tos;\r | |
180 | ConfigData->HopLimit = Tcb->Ttl;\r | |
181 | \r | |
182 | AccessPoint->StationPort = NTOHS (Tcb->LocalEnd.Port);\r | |
183 | AccessPoint->RemotePort = NTOHS (Tcb->RemoteEnd.Port);\r | |
184 | AccessPoint->ActiveFlag = (BOOLEAN) (Tcb->State != TCP_LISTEN);\r | |
185 | \r | |
186 | IP6_COPY_ADDRESS (&AccessPoint->StationAddress, &Tcb->LocalEnd.Ip);\r | |
187 | IP6_COPY_ADDRESS (&AccessPoint->RemoteAddress, &Tcb->RemoteEnd.Ip);\r | |
188 | \r | |
189 | if (Option != NULL) {\r | |
190 | Option->ReceiveBufferSize = GET_RCV_BUFFSIZE (Tcb->Sk);\r | |
191 | Option->SendBufferSize = GET_SND_BUFFSIZE (Tcb->Sk);\r | |
192 | Option->MaxSynBackLog = GET_BACKLOG (Tcb->Sk);\r | |
193 | \r | |
194 | Option->ConnectionTimeout = Tcb->ConnectTimeout / TCP_TICK_HZ;\r | |
195 | Option->DataRetries = Tcb->MaxRexmit;\r | |
196 | Option->FinTimeout = Tcb->FinWait2Timeout / TCP_TICK_HZ;\r | |
197 | Option->TimeWaitTimeout = Tcb->TimeWaitTimeout / TCP_TICK_HZ;\r | |
198 | Option->KeepAliveProbes = Tcb->MaxKeepAlive;\r | |
199 | Option->KeepAliveTime = Tcb->KeepAliveIdle / TCP_TICK_HZ;\r | |
200 | Option->KeepAliveInterval = Tcb->KeepAlivePeriod / TCP_TICK_HZ;\r | |
201 | \r | |
202 | Option->EnableNagle = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE));\r | |
203 | Option->EnableTimeStamp = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_TS));\r | |
204 | Option->EnableWindowScaling = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_WS));\r | |
205 | \r | |
206 | Option->EnableSelectiveAck = FALSE;\r | |
207 | Option->EnablePathMtuDiscovery = FALSE;\r | |
208 | }\r | |
209 | }\r | |
210 | \r | |
211 | Ip = Tcb->IpInfo->Ip.Ip6;\r | |
212 | ASSERT (Ip != NULL);\r | |
213 | \r | |
214 | return Ip->GetModeData (Ip, Mode->Ip6ModeData, Mode->MnpConfigData, Mode->SnpModeData);\r | |
215 | }\r | |
216 | \r | |
217 | /**\r | |
218 | If TcpAp->StationPort isn't zero, check whether the access point\r | |
219 | is registered, else generate a random station port for this\r | |
220 | access point.\r | |
221 | \r | |
222 | @param[in] TcpAp Pointer to the access point.\r | |
223 | @param[in] IpVersion IP_VERSION_4 or IP_VERSION_6\r | |
224 | \r | |
225 | @retval EFI_SUCCESS The check passed or the port is assigned.\r | |
226 | @retval EFI_INVALID_PARAMETER The non-zero station port is already used.\r | |
227 | @retval EFI_OUT_OF_RESOURCES No port can be allocated.\r | |
228 | \r | |
229 | **/\r | |
230 | EFI_STATUS\r | |
231 | TcpBind (\r | |
232 | IN TCP_ACCESS_POINT *TcpAp,\r | |
233 | IN UINT8 IpVersion\r | |
234 | )\r | |
235 | {\r | |
236 | BOOLEAN Cycle;\r | |
237 | EFI_IP_ADDRESS Local;\r | |
238 | UINT16 *Port;\r | |
239 | UINT16 *RandomPort;\r | |
240 | \r | |
241 | if (IpVersion == IP_VERSION_4) {\r | |
242 | CopyMem (&Local, &TcpAp->Tcp4Ap.StationAddress, sizeof (EFI_IPv4_ADDRESS));\r | |
243 | Port = &TcpAp->Tcp4Ap.StationPort;\r | |
244 | RandomPort = &mTcp4RandomPort;\r | |
245 | } else {\r | |
246 | IP6_COPY_ADDRESS (&Local, &TcpAp->Tcp6Ap.StationAddress);\r | |
247 | Port = &TcpAp->Tcp6Ap.StationPort;\r | |
248 | RandomPort = &mTcp6RandomPort;\r | |
249 | }\r | |
250 | \r | |
251 | if (0 != *Port) {\r | |
252 | //\r | |
253 | // Check if a same endpoing is bound.\r | |
254 | //\r | |
255 | if (TcpFindTcbByPeer (&Local, *Port, IpVersion)) {\r | |
256 | \r | |
257 | return EFI_INVALID_PARAMETER;\r | |
258 | }\r | |
259 | } else {\r | |
260 | //\r | |
261 | // generate a random port\r | |
262 | //\r | |
263 | Cycle = FALSE;\r | |
264 | \r | |
265 | if (TCP_PORT_USER_RESERVED == *RandomPort) {\r | |
266 | *RandomPort = TCP_PORT_KNOWN;\r | |
267 | }\r | |
268 | \r | |
269 | (*RandomPort)++;\r | |
270 | \r | |
271 | while (TcpFindTcbByPeer (&Local, *RandomPort, IpVersion)) {\r | |
272 | (*RandomPort)++;\r | |
273 | \r | |
274 | if (*RandomPort <= TCP_PORT_KNOWN) {\r | |
275 | if (Cycle) {\r | |
276 | DEBUG (\r | |
277 | (EFI_D_ERROR,\r | |
278 | "TcpBind: no port can be allocated for this pcb\n")\r | |
279 | );\r | |
280 | return EFI_OUT_OF_RESOURCES;\r | |
281 | }\r | |
282 | \r | |
283 | *RandomPort = TCP_PORT_KNOWN + 1;\r | |
284 | \r | |
285 | Cycle = TRUE;\r | |
286 | }\r | |
287 | }\r | |
288 | \r | |
289 | *Port = *RandomPort;\r | |
290 | }\r | |
291 | \r | |
292 | return EFI_SUCCESS;\r | |
293 | }\r | |
294 | \r | |
295 | /**\r | |
296 | Flush the Tcb add its associated protocols.\r | |
297 | \r | |
298 | @param[in, out] Tcb Pointer to the TCP_CB to be flushed.\r | |
299 | \r | |
300 | **/\r | |
301 | VOID\r | |
302 | TcpFlushPcb (\r | |
303 | IN OUT TCP_CB *Tcb\r | |
304 | )\r | |
305 | {\r | |
306 | SOCKET *Sock;\r | |
307 | TCP_PROTO_DATA *TcpProto;\r | |
308 | \r | |
309 | IpIoConfigIp (Tcb->IpInfo, NULL);\r | |
310 | \r | |
311 | Sock = Tcb->Sk;\r | |
312 | TcpProto = (TCP_PROTO_DATA *) Sock->ProtoReserved;\r | |
313 | \r | |
314 | if (SOCK_IS_CONFIGURED (Sock)) {\r | |
315 | RemoveEntryList (&Tcb->List);\r | |
316 | \r | |
317 | if (Sock->DevicePath != NULL) {\r | |
318 | //\r | |
319 | // Uninstall the device path protocl.\r | |
320 | //\r | |
321 | gBS->UninstallProtocolInterface (\r | |
322 | Sock->SockHandle,\r | |
323 | &gEfiDevicePathProtocolGuid,\r | |
324 | Sock->DevicePath\r | |
325 | );\r | |
326 | \r | |
327 | FreePool (Sock->DevicePath);\r | |
328 | Sock->DevicePath = NULL;\r | |
329 | }\r | |
330 | \r | |
331 | TcpSetVariableData (TcpProto->TcpService);\r | |
332 | }\r | |
333 | \r | |
334 | NetbufFreeList (&Tcb->SndQue);\r | |
335 | NetbufFreeList (&Tcb->RcvQue);\r | |
336 | Tcb->State = TCP_CLOSED;\r | |
337 | }\r | |
338 | \r | |
339 | /**\r | |
340 | Attach a Pcb to the socket.\r | |
341 | \r | |
342 | @param[in] Sk Pointer to the socket of this TCP instance.\r | |
343 | \r | |
344 | @retval EFI_SUCCESS The operation completed successfully.\r | |
345 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limits.\r | |
346 | \r | |
347 | **/\r | |
348 | EFI_STATUS\r | |
349 | TcpAttachPcb (\r | |
350 | IN SOCKET *Sk\r | |
351 | )\r | |
352 | {\r | |
353 | TCP_CB *Tcb;\r | |
354 | TCP_PROTO_DATA *ProtoData;\r | |
355 | IP_IO *IpIo;\r | |
356 | \r | |
357 | Tcb = AllocateZeroPool (sizeof (TCP_CB));\r | |
358 | \r | |
359 | if (Tcb == NULL) {\r | |
360 | \r | |
361 | DEBUG ((EFI_D_ERROR, "TcpConfigurePcb: failed to allocate a TCB\n"));\r | |
362 | \r | |
363 | return EFI_OUT_OF_RESOURCES;\r | |
364 | }\r | |
365 | \r | |
366 | ProtoData = (TCP_PROTO_DATA *) Sk->ProtoReserved;\r | |
367 | IpIo = ProtoData->TcpService->IpIo;\r | |
368 | \r | |
369 | //\r | |
370 | // Create an IpInfo for this Tcb.\r | |
371 | //\r | |
372 | Tcb->IpInfo = IpIoAddIp (IpIo);\r | |
373 | if (Tcb->IpInfo == NULL) {\r | |
374 | \r | |
375 | FreePool (Tcb);\r | |
376 | return EFI_OUT_OF_RESOURCES;\r | |
377 | }\r | |
378 | \r | |
379 | InitializeListHead (&Tcb->List);\r | |
380 | InitializeListHead (&Tcb->SndQue);\r | |
381 | InitializeListHead (&Tcb->RcvQue);\r | |
382 | \r | |
383 | Tcb->State = TCP_CLOSED;\r | |
384 | Tcb->Sk = Sk;\r | |
385 | ProtoData->TcpPcb = Tcb;\r | |
386 | \r | |
387 | return EFI_SUCCESS;\r | |
388 | }\r | |
389 | \r | |
390 | /**\r | |
391 | Detach the Pcb of the socket.\r | |
392 | \r | |
393 | @param[in, out] Sk Pointer to the socket of this TCP instance.\r | |
394 | \r | |
395 | **/\r | |
396 | VOID\r | |
397 | TcpDetachPcb (\r | |
398 | IN OUT SOCKET *Sk\r | |
399 | )\r | |
400 | {\r | |
401 | TCP_PROTO_DATA *ProtoData;\r | |
402 | TCP_CB *Tcb;\r | |
403 | \r | |
404 | ProtoData = (TCP_PROTO_DATA *) Sk->ProtoReserved;\r | |
405 | Tcb = ProtoData->TcpPcb;\r | |
406 | \r | |
407 | ASSERT (Tcb != NULL);\r | |
408 | \r | |
409 | TcpFlushPcb (Tcb);\r | |
410 | \r | |
411 | IpIoRemoveIp (ProtoData->TcpService->IpIo, Tcb->IpInfo);\r | |
412 | \r | |
413 | FreePool (Tcb);\r | |
414 | \r | |
415 | ProtoData->TcpPcb = NULL;\r | |
416 | }\r | |
417 | \r | |
418 | /**\r | |
419 | Configure the Pcb using CfgData.\r | |
420 | \r | |
421 | @param[in] Sk Pointer to the socket of this TCP instance.\r | |
422 | @param[in] CfgData Pointer to the TCP configuration data.\r | |
423 | \r | |
424 | @retval EFI_SUCCESS The operation completed successfully.\r | |
425 | @retval EFI_INVALID_PARAMETER A same access point has been configured in\r | |
426 | another TCP instance.\r | |
427 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limits.\r | |
428 | \r | |
429 | **/\r | |
430 | EFI_STATUS\r | |
431 | TcpConfigurePcb (\r | |
432 | IN SOCKET *Sk,\r | |
433 | IN TCP_CONFIG_DATA *CfgData\r | |
434 | )\r | |
435 | {\r | |
436 | IP_IO_IP_CONFIG_DATA IpCfgData;\r | |
437 | EFI_STATUS Status;\r | |
438 | EFI_TCP4_OPTION *Option;\r | |
439 | TCP_PROTO_DATA *TcpProto;\r | |
440 | TCP_CB *Tcb;\r | |
441 | TCP_ACCESS_POINT *TcpAp;\r | |
442 | \r | |
443 | ASSERT ((CfgData != NULL) && (Sk != NULL) && (Sk->SockHandle != NULL));\r | |
444 | \r | |
445 | TcpProto = (TCP_PROTO_DATA *) Sk->ProtoReserved;\r | |
446 | Tcb = TcpProto->TcpPcb;\r | |
447 | \r | |
448 | ASSERT (Tcb != NULL);\r | |
449 | \r | |
450 | if (Sk->IpVersion == IP_VERSION_4) {\r | |
451 | //\r | |
452 | // Add Ip for send pkt to the peer\r | |
453 | //\r | |
454 | CopyMem (&IpCfgData.Ip4CfgData, &mIp4IoDefaultIpConfigData, sizeof (EFI_IP4_CONFIG_DATA));\r | |
455 | IpCfgData.Ip4CfgData.DefaultProtocol = EFI_IP_PROTO_TCP;\r | |
456 | IpCfgData.Ip4CfgData.TypeOfService = CfgData->Tcp4CfgData.TypeOfService;\r | |
457 | IpCfgData.Ip4CfgData.TimeToLive = CfgData->Tcp4CfgData.TimeToLive;\r | |
458 | IpCfgData.Ip4CfgData.UseDefaultAddress = CfgData->Tcp4CfgData.AccessPoint.UseDefaultAddress;\r | |
459 | IpCfgData.Ip4CfgData.SubnetMask = CfgData->Tcp4CfgData.AccessPoint.SubnetMask;\r | |
460 | IpCfgData.Ip4CfgData.ReceiveTimeout = (UINT32) (-1);\r | |
461 | CopyMem (\r | |
462 | &IpCfgData.Ip4CfgData.StationAddress,\r | |
463 | &CfgData->Tcp4CfgData.AccessPoint.StationAddress,\r | |
464 | sizeof (EFI_IPv4_ADDRESS)\r | |
465 | );\r | |
466 | \r | |
467 | } else {\r | |
468 | ASSERT (Sk->IpVersion == IP_VERSION_6);\r | |
469 | \r | |
470 | CopyMem (&IpCfgData.Ip6CfgData, &mIp6IoDefaultIpConfigData, sizeof (EFI_IP6_CONFIG_DATA));\r | |
471 | IpCfgData.Ip6CfgData.DefaultProtocol = EFI_IP_PROTO_TCP;\r | |
472 | IpCfgData.Ip6CfgData.TrafficClass = CfgData->Tcp6CfgData.TrafficClass;\r | |
473 | IpCfgData.Ip6CfgData.HopLimit = CfgData->Tcp6CfgData.HopLimit;\r | |
474 | IpCfgData.Ip6CfgData.ReceiveTimeout = (UINT32) (-1);\r | |
475 | IP6_COPY_ADDRESS (\r | |
476 | &IpCfgData.Ip6CfgData.StationAddress,\r | |
477 | &CfgData->Tcp6CfgData.AccessPoint.StationAddress\r | |
478 | );\r | |
479 | IP6_COPY_ADDRESS (\r | |
480 | &IpCfgData.Ip6CfgData.DestinationAddress,\r | |
481 | &CfgData->Tcp6CfgData.AccessPoint.RemoteAddress\r | |
482 | );\r | |
483 | }\r | |
484 | \r | |
485 | //\r | |
486 | // Configure the IP instance this Tcb consumes.\r | |
487 | //\r | |
488 | Status = IpIoConfigIp (Tcb->IpInfo, &IpCfgData);\r | |
489 | if (EFI_ERROR (Status)) {\r | |
490 | goto OnExit;\r | |
491 | }\r | |
492 | \r | |
493 | if (Sk->IpVersion == IP_VERSION_4) {\r | |
494 | //\r | |
495 | // Get the default address information if the instance is configured to use default address.\r | |
496 | //\r | |
497 | CfgData->Tcp4CfgData.AccessPoint.StationAddress = IpCfgData.Ip4CfgData.StationAddress;\r | |
498 | CfgData->Tcp4CfgData.AccessPoint.SubnetMask = IpCfgData.Ip4CfgData.SubnetMask;\r | |
499 | \r | |
500 | TcpAp = (TCP_ACCESS_POINT *) &CfgData->Tcp4CfgData.AccessPoint;\r | |
501 | } else {\r | |
502 | IP6_COPY_ADDRESS (\r | |
503 | &CfgData->Tcp6CfgData.AccessPoint.StationAddress,\r | |
504 | &IpCfgData.Ip6CfgData.StationAddress\r | |
505 | );\r | |
506 | \r | |
507 | TcpAp = (TCP_ACCESS_POINT *) &CfgData->Tcp6CfgData.AccessPoint;\r | |
508 | }\r | |
509 | \r | |
510 | //\r | |
511 | // check if we can bind this endpoint in CfgData\r | |
512 | //\r | |
513 | Status = TcpBind (TcpAp, Sk->IpVersion);\r | |
514 | \r | |
515 | if (EFI_ERROR (Status)) {\r | |
516 | DEBUG (\r | |
517 | (EFI_D_ERROR,\r | |
518 | "TcpConfigurePcb: Bind endpoint failed with %r\n",\r | |
519 | Status)\r | |
520 | );\r | |
521 | \r | |
522 | goto OnExit;\r | |
523 | }\r | |
524 | \r | |
525 | //\r | |
526 | // Initalize the operating information in this Tcb\r | |
527 | //\r | |
528 | ASSERT (Tcb->State == TCP_CLOSED &&\r | |
529 | IsListEmpty (&Tcb->SndQue) &&\r | |
530 | IsListEmpty (&Tcb->RcvQue));\r | |
531 | \r | |
532 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r | |
533 | Tcb->State = TCP_CLOSED;\r | |
534 | \r | |
535 | Tcb->SndMss = 536;\r | |
536 | Tcb->RcvMss = TcpGetRcvMss (Sk);\r | |
537 | \r | |
538 | Tcb->SRtt = 0;\r | |
539 | Tcb->Rto = 3 * TCP_TICK_HZ;\r | |
540 | \r | |
541 | Tcb->CWnd = Tcb->SndMss;\r | |
542 | Tcb->Ssthresh = 0xffffffff;\r | |
543 | \r | |
544 | Tcb->CongestState = TCP_CONGEST_OPEN;\r | |
545 | \r | |
546 | Tcb->KeepAliveIdle = TCP_KEEPALIVE_IDLE_MIN;\r | |
547 | Tcb->KeepAlivePeriod = TCP_KEEPALIVE_PERIOD;\r | |
548 | Tcb->MaxKeepAlive = TCP_MAX_KEEPALIVE;\r | |
549 | Tcb->MaxRexmit = TCP_MAX_LOSS;\r | |
550 | Tcb->FinWait2Timeout = TCP_FIN_WAIT2_TIME;\r | |
551 | Tcb->TimeWaitTimeout = TCP_TIME_WAIT_TIME;\r | |
552 | Tcb->ConnectTimeout = TCP_CONNECT_TIME;\r | |
553 | \r | |
554 | if (Sk->IpVersion == IP_VERSION_4) {\r | |
555 | //\r | |
556 | // initialize Tcb in the light of CfgData\r | |
557 | //\r | |
558 | Tcb->Ttl = CfgData->Tcp4CfgData.TimeToLive;\r | |
559 | Tcb->Tos = CfgData->Tcp4CfgData.TypeOfService;\r | |
560 | \r | |
561 | Tcb->UseDefaultAddr = CfgData->Tcp4CfgData.AccessPoint.UseDefaultAddress;\r | |
562 | \r | |
563 | CopyMem (&Tcb->LocalEnd.Ip, &CfgData->Tcp4CfgData.AccessPoint.StationAddress, sizeof (IP4_ADDR));\r | |
564 | Tcb->LocalEnd.Port = HTONS (CfgData->Tcp4CfgData.AccessPoint.StationPort);\r | |
565 | Tcb->SubnetMask = CfgData->Tcp4CfgData.AccessPoint.SubnetMask;\r | |
566 | \r | |
567 | CopyMem (&Tcb->RemoteEnd.Ip, &CfgData->Tcp4CfgData.AccessPoint.RemoteAddress, sizeof (IP4_ADDR));\r | |
568 | Tcb->RemoteEnd.Port = HTONS (CfgData->Tcp4CfgData.AccessPoint.RemotePort);\r | |
569 | \r | |
570 | Option = CfgData->Tcp4CfgData.ControlOption;\r | |
571 | } else {\r | |
572 | Tcb->Ttl = CfgData->Tcp6CfgData.HopLimit;\r | |
573 | Tcb->Tos = CfgData->Tcp6CfgData.TrafficClass;\r | |
574 | \r | |
575 | IP6_COPY_ADDRESS (&Tcb->LocalEnd.Ip, &CfgData->Tcp6CfgData.AccessPoint.StationAddress);\r | |
576 | Tcb->LocalEnd.Port = HTONS (CfgData->Tcp6CfgData.AccessPoint.StationPort);\r | |
577 | \r | |
578 | IP6_COPY_ADDRESS (&Tcb->RemoteEnd.Ip, &CfgData->Tcp6CfgData.AccessPoint.RemoteAddress);\r | |
579 | Tcb->RemoteEnd.Port = HTONS (CfgData->Tcp6CfgData.AccessPoint.RemotePort);\r | |
580 | \r | |
581 | //\r | |
582 | // Type EFI_TCP4_OPTION and EFI_TCP6_OPTION are the same.\r | |
583 | //\r | |
584 | Option = (EFI_TCP4_OPTION *) CfgData->Tcp6CfgData.ControlOption;\r | |
585 | }\r | |
586 | \r | |
587 | if (Option != NULL) {\r | |
588 | SET_RCV_BUFFSIZE (\r | |
589 | Sk,\r | |
590 | (UINT32) (TCP_COMP_VAL (\r | |
591 | TCP_RCV_BUF_SIZE_MIN,\r | |
592 | TCP_RCV_BUF_SIZE,\r | |
593 | TCP_RCV_BUF_SIZE,\r | |
594 | Option->ReceiveBufferSize\r | |
595 | )\r | |
596 | )\r | |
597 | );\r | |
598 | SET_SND_BUFFSIZE (\r | |
599 | Sk,\r | |
600 | (UINT32) (TCP_COMP_VAL (\r | |
601 | TCP_SND_BUF_SIZE_MIN,\r | |
602 | TCP_SND_BUF_SIZE,\r | |
603 | TCP_SND_BUF_SIZE,\r | |
604 | Option->SendBufferSize\r | |
605 | )\r | |
606 | )\r | |
607 | );\r | |
608 | \r | |
609 | SET_BACKLOG (\r | |
610 | Sk,\r | |
611 | (UINT32) (TCP_COMP_VAL (\r | |
612 | TCP_BACKLOG_MIN,\r | |
613 | TCP_BACKLOG,\r | |
614 | TCP_BACKLOG,\r | |
615 | Option->MaxSynBackLog\r | |
616 | )\r | |
617 | )\r | |
618 | );\r | |
619 | \r | |
620 | Tcb->MaxRexmit = (UINT16) TCP_COMP_VAL (\r | |
621 | TCP_MAX_LOSS_MIN,\r | |
622 | TCP_MAX_LOSS,\r | |
623 | TCP_MAX_LOSS,\r | |
624 | Option->DataRetries\r | |
625 | );\r | |
626 | Tcb->FinWait2Timeout = TCP_COMP_VAL (\r | |
627 | TCP_FIN_WAIT2_TIME,\r | |
628 | TCP_FIN_WAIT2_TIME_MAX,\r | |
629 | TCP_FIN_WAIT2_TIME,\r | |
630 | (UINT32) (Option->FinTimeout * TCP_TICK_HZ)\r | |
631 | );\r | |
632 | \r | |
633 | if (Option->TimeWaitTimeout != 0) {\r | |
634 | Tcb->TimeWaitTimeout = TCP_COMP_VAL (\r | |
635 | TCP_TIME_WAIT_TIME,\r | |
636 | TCP_TIME_WAIT_TIME_MAX,\r | |
637 | TCP_TIME_WAIT_TIME,\r | |
638 | (UINT32) (Option->TimeWaitTimeout * TCP_TICK_HZ)\r | |
639 | );\r | |
640 | } else {\r | |
641 | Tcb->TimeWaitTimeout = 0;\r | |
642 | }\r | |
643 | \r | |
644 | if (Option->KeepAliveProbes != 0) {\r | |
645 | TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r | |
646 | \r | |
647 | Tcb->MaxKeepAlive = (UINT8) TCP_COMP_VAL (\r | |
648 | TCP_MAX_KEEPALIVE_MIN,\r | |
649 | TCP_MAX_KEEPALIVE,\r | |
650 | TCP_MAX_KEEPALIVE,\r | |
651 | Option->KeepAliveProbes\r | |
652 | );\r | |
653 | Tcb->KeepAliveIdle = TCP_COMP_VAL (\r | |
654 | TCP_KEEPALIVE_IDLE_MIN,\r | |
655 | TCP_KEEPALIVE_IDLE_MAX,\r | |
656 | TCP_KEEPALIVE_IDLE_MIN,\r | |
657 | (UINT32) (Option->KeepAliveTime * TCP_TICK_HZ)\r | |
658 | );\r | |
659 | Tcb->KeepAlivePeriod = TCP_COMP_VAL (\r | |
660 | TCP_KEEPALIVE_PERIOD_MIN,\r | |
661 | TCP_KEEPALIVE_PERIOD,\r | |
662 | TCP_KEEPALIVE_PERIOD,\r | |
663 | (UINT32) (Option->KeepAliveInterval * TCP_TICK_HZ)\r | |
664 | );\r | |
665 | }\r | |
666 | \r | |
667 | Tcb->ConnectTimeout = TCP_COMP_VAL (\r | |
668 | TCP_CONNECT_TIME_MIN,\r | |
669 | TCP_CONNECT_TIME,\r | |
670 | TCP_CONNECT_TIME,\r | |
671 | (UINT32) (Option->ConnectionTimeout * TCP_TICK_HZ)\r | |
672 | );\r | |
673 | \r | |
674 | if (!Option->EnableNagle) {\r | |
675 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE);\r | |
676 | }\r | |
677 | \r | |
678 | if (!Option->EnableTimeStamp) {\r | |
679 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_TS);\r | |
680 | }\r | |
681 | \r | |
682 | if (!Option->EnableWindowScaling) {\r | |
683 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_WS);\r | |
684 | }\r | |
685 | }\r | |
686 | \r | |
687 | //\r | |
688 | // The socket is bound, the <SrcIp, SrcPort, DstIp, DstPort> is\r | |
689 | // determined, construct the IP device path and install it.\r | |
690 | //\r | |
691 | Status = TcpInstallDevicePath (Sk);\r | |
692 | if (EFI_ERROR (Status)) {\r | |
693 | goto OnExit;\r | |
694 | }\r | |
695 | \r | |
696 | //\r | |
697 | // update state of Tcb and socket\r | |
698 | //\r | |
699 | if (((Sk->IpVersion == IP_VERSION_4) && !CfgData->Tcp4CfgData.AccessPoint.ActiveFlag) ||\r | |
700 | ((Sk->IpVersion == IP_VERSION_6) && !CfgData->Tcp6CfgData.AccessPoint.ActiveFlag)\r | |
701 | ) {\r | |
702 | \r | |
703 | TcpSetState (Tcb, TCP_LISTEN);\r | |
704 | SockSetState (Sk, SO_LISTENING);\r | |
705 | \r | |
706 | Sk->ConfigureState = SO_CONFIGURED_PASSIVE;\r | |
707 | } else {\r | |
708 | \r | |
709 | Sk->ConfigureState = SO_CONFIGURED_ACTIVE;\r | |
710 | }\r | |
711 | \r | |
712 | if (Sk->IpVersion == IP_VERSION_6) {\r | |
713 | Tcb->Tick = TCP6_REFRESH_NEIGHBOR_TICK;\r | |
714 | }\r | |
715 | \r | |
716 | TcpInsertTcb (Tcb);\r | |
717 | \r | |
718 | OnExit:\r | |
719 | \r | |
720 | return Status;\r | |
721 | }\r | |
722 | \r | |
723 | /**\r | |
724 | The procotol handler provided to the socket layer, which is used to\r | |
725 | dispatch the socket level requests by calling the corresponding\r | |
726 | TCP layer functions.\r | |
727 | \r | |
728 | @param[in] Sock Pointer to the socket of this TCP instance.\r | |
729 | @param[in] Request The code of this operation request.\r | |
730 | @param[in] Data Pointer to the operation specific data passed in\r | |
731 | together with the operation request. This is an\r | |
732 | optional parameter that may be NULL.\r | |
733 | \r | |
734 | @retval EFI_SUCCESS The socket request completed successfully.\r | |
735 | @retval other The error status returned by the corresponding TCP\r | |
736 | layer function.\r | |
737 | \r | |
738 | **/\r | |
739 | EFI_STATUS\r | |
740 | TcpDispatcher (\r | |
741 | IN SOCKET *Sock,\r | |
742 | IN UINT8 Request,\r | |
743 | IN VOID *Data OPTIONAL\r | |
744 | )\r | |
745 | {\r | |
746 | TCP_CB *Tcb;\r | |
747 | TCP_PROTO_DATA *ProtoData;\r | |
748 | \r | |
749 | ProtoData = (TCP_PROTO_DATA *) Sock->ProtoReserved;\r | |
750 | Tcb = ProtoData->TcpPcb;\r | |
751 | \r | |
752 | switch (Request) {\r | |
753 | case SOCK_POLL:\r | |
754 | if (Tcb->Sk->IpVersion == IP_VERSION_4) {\r | |
755 | ProtoData->TcpService->IpIo->Ip.Ip4->Poll (ProtoData->TcpService->IpIo->Ip.Ip4);\r | |
756 | } else {\r | |
757 | ProtoData->TcpService->IpIo->Ip.Ip6->Poll (ProtoData->TcpService->IpIo->Ip.Ip6);\r | |
758 | }\r | |
759 | \r | |
760 | break;\r | |
761 | \r | |
762 | case SOCK_CONSUMED:\r | |
763 | //\r | |
764 | // After user received data from socket buffer, socket will\r | |
765 | // notify TCP using this message to give it a chance to send out\r | |
766 | // window update information\r | |
767 | //\r | |
768 | ASSERT (Tcb != NULL);\r | |
769 | TcpOnAppConsume (Tcb);\r | |
770 | break;\r | |
771 | \r | |
772 | case SOCK_SND:\r | |
773 | \r | |
774 | ASSERT (Tcb != NULL);\r | |
775 | TcpOnAppSend (Tcb);\r | |
776 | break;\r | |
777 | \r | |
778 | case SOCK_CLOSE:\r | |
779 | \r | |
780 | TcpOnAppClose (Tcb);\r | |
781 | \r | |
782 | break;\r | |
783 | \r | |
784 | case SOCK_ABORT:\r | |
785 | \r | |
786 | TcpOnAppAbort (Tcb);\r | |
787 | \r | |
788 | break;\r | |
789 | \r | |
790 | case SOCK_SNDPUSH:\r | |
791 | Tcb->SndPsh = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk);\r | |
792 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_PSH);\r | |
793 | \r | |
794 | break;\r | |
795 | \r | |
796 | case SOCK_SNDURG:\r | |
797 | Tcb->SndUp = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk) - 1;\r | |
798 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_URG);\r | |
799 | \r | |
800 | break;\r | |
801 | \r | |
802 | case SOCK_CONNECT:\r | |
803 | \r | |
804 | TcpOnAppConnect (Tcb);\r | |
805 | \r | |
806 | break;\r | |
807 | \r | |
808 | case SOCK_ATTACH:\r | |
809 | \r | |
810 | return TcpAttachPcb (Sock);\r | |
811 | \r | |
812 | break;\r | |
813 | \r | |
814 | case SOCK_FLUSH:\r | |
815 | \r | |
816 | TcpFlushPcb (Tcb);\r | |
817 | \r | |
818 | break;\r | |
819 | \r | |
820 | case SOCK_DETACH:\r | |
821 | \r | |
822 | TcpDetachPcb (Sock);\r | |
823 | \r | |
824 | break;\r | |
825 | \r | |
826 | case SOCK_CONFIGURE:\r | |
827 | \r | |
828 | return TcpConfigurePcb (\r | |
829 | Sock,\r | |
830 | (TCP_CONFIG_DATA *) Data\r | |
831 | );\r | |
832 | \r | |
833 | break;\r | |
834 | \r | |
835 | case SOCK_MODE:\r | |
836 | \r | |
837 | ASSERT ((Data != NULL) && (Tcb != NULL));\r | |
838 | \r | |
839 | if (Tcb->Sk->IpVersion == IP_VERSION_4) {\r | |
840 | \r | |
841 | return Tcp4GetMode (Tcb, (TCP4_MODE_DATA *) Data);\r | |
842 | } else {\r | |
843 | \r | |
844 | return Tcp6GetMode (Tcb, (TCP6_MODE_DATA *) Data);\r | |
845 | }\r | |
846 | \r | |
847 | break;\r | |
848 | \r | |
849 | case SOCK_ROUTE:\r | |
850 | \r | |
851 | ASSERT ((Data != NULL) && (Tcb != NULL) && (Tcb->Sk->IpVersion == IP_VERSION_4));\r | |
852 | \r | |
853 | return Tcp4Route (Tcb, (TCP4_ROUTE_INFO *) Data);\r | |
854 | \r | |
855 | default:\r | |
856 | \r | |
857 | return EFI_UNSUPPORTED;\r | |
858 | }\r | |
859 | \r | |
860 | return EFI_SUCCESS;\r | |
861 | }\r |