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8a67d61d | 1 | /** @file\r |
dab714aa | 2 | Tcp request dispatcher implementation.\r |
8a67d61d | 3 | \r |
35f910f0 | 4 | (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>\r |
d551cc64 | 5 | Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 6 | This program and the accompanying materials\r |
8a67d61d | 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 | |
dfc1f033 | 9 | http://opensource.org/licenses/bsd-license.php<BR>\r |
8a67d61d | 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 | |
8a67d61d | 14 | **/\r |
15 | \r | |
16 | #include "Tcp4Main.h"\r | |
17 | \r | |
18 | #define TCP_COMP_VAL(Min, Max, Default, Val) \\r | |
19 | ((((Val) <= (Max)) && ((Val) >= (Min))) ? (Val) : (Default))\r | |
20 | \r | |
120db52c | 21 | /**\r |
22 | Add or remove a route entry in the IP route table associated with this TCP instance.\r | |
23 | \r | |
24 | @param Tcb Pointer to the TCP_CB of this TCP instance.\r | |
25 | @param RouteInfo Pointer to the route info to be processed.\r | |
26 | \r | |
27 | @retval EFI_SUCCESS The operation completed successfully.\r | |
28 | @retval EFI_NOT_STARTED The driver instance has not been started.\r | |
29 | @retval EFI_NO_MAPPING When using the default address, configuration(DHCP,\r | |
30 | BOOTP, RARP, etc.) is not finished yet.\r | |
31 | @retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.\r | |
32 | @retval EFI_NOT_FOUND This route is not in the routing table\r | |
33 | (when RouteInfo->DeleteRoute is TRUE).\r | |
34 | @retval EFI_ACCESS_DENIED The route is already defined in the routing table\r | |
35 | (when RouteInfo->DeleteRoute is FALSE).\r | |
36 | **/\r | |
8a67d61d | 37 | EFI_STATUS\r |
38 | Tcp4Route (\r | |
39 | IN TCP_CB *Tcb,\r | |
40 | IN TCP4_ROUTE_INFO *RouteInfo\r | |
41 | )\r | |
8a67d61d | 42 | {\r |
2a2e33b2 | 43 | EFI_IP4_PROTOCOL *Ip4;\r |
8a67d61d | 44 | \r |
2a2e33b2 | 45 | Ip4 = Tcb->IpInfo->Ip.Ip4;\r |
8a67d61d | 46 | \r |
2a2e33b2 | 47 | ASSERT (Ip4 != NULL);\r |
8a67d61d | 48 | \r |
2a2e33b2 | 49 | return Ip4->Routes (\r |
50 | Ip4,\r | |
8a67d61d | 51 | RouteInfo->DeleteRoute,\r |
52 | RouteInfo->SubnetAddress,\r | |
53 | RouteInfo->SubnetMask,\r | |
54 | RouteInfo->GatewayAddress\r | |
55 | );\r | |
e2851998 | 56 | \r |
8a67d61d | 57 | }\r |
58 | \r | |
59 | \r | |
60 | /**\r | |
61 | Get the operational settings of this TCP instance.\r | |
62 | \r | |
63 | @param Tcb Pointer to the TCP_CB of this TCP instance.\r | |
64 | @param Mode Pointer to the buffer to store the operational\r | |
65 | settings.\r | |
66 | \r | |
67 | @retval EFI_SUCCESS The mode data is read.\r | |
68 | @retval EFI_NOT_STARTED No configuration data is available because this\r | |
69 | instance hasn't been started.\r | |
70 | \r | |
71 | **/\r | |
8a67d61d | 72 | EFI_STATUS\r |
73 | Tcp4GetMode (\r | |
276dcc1b | 74 | IN TCP_CB *Tcb,\r |
75 | IN OUT TCP4_MODE_DATA *Mode\r | |
8a67d61d | 76 | )\r |
77 | {\r | |
78 | SOCKET *Sock;\r | |
79 | EFI_TCP4_CONFIG_DATA *ConfigData;\r | |
80 | EFI_TCP4_ACCESS_POINT *AccessPoint;\r | |
81 | EFI_TCP4_OPTION *Option;\r | |
82 | EFI_IP4_PROTOCOL *Ip;\r | |
83 | \r | |
84 | Sock = Tcb->Sk;\r | |
85 | \r | |
86 | if (!SOCK_IS_CONFIGURED (Sock) && (Mode->Tcp4ConfigData != NULL)) {\r | |
87 | return EFI_NOT_STARTED;\r | |
88 | }\r | |
89 | \r | |
85511ddf | 90 | if (Mode->Tcp4State != NULL) {\r |
4eb65aff | 91 | *(Mode->Tcp4State) = (EFI_TCP4_CONNECTION_STATE) Tcb->State;\r |
8a67d61d | 92 | }\r |
93 | \r | |
85511ddf | 94 | if (Mode->Tcp4ConfigData != NULL) {\r |
8a67d61d | 95 | \r |
96 | ConfigData = Mode->Tcp4ConfigData;\r | |
97 | AccessPoint = &(ConfigData->AccessPoint);\r | |
98 | Option = ConfigData->ControlOption;\r | |
99 | \r | |
a78d176c | 100 | ConfigData->TypeOfService = Tcb->Tos;\r |
101 | ConfigData->TimeToLive = Tcb->Ttl;\r | |
8a67d61d | 102 | \r |
103 | AccessPoint->UseDefaultAddress = Tcb->UseDefaultAddr;\r | |
104 | \r | |
35f910f0 RP |
105 | IP4_COPY_ADDRESS (&AccessPoint->StationAddress, &Tcb->LocalEnd.Ip);\r |
106 | IP4_COPY_ADDRESS (&AccessPoint->SubnetMask, &Tcb->SubnetMask);\r | |
8a67d61d | 107 | AccessPoint->StationPort = NTOHS (Tcb->LocalEnd.Port);\r |
108 | \r | |
35f910f0 | 109 | IP4_COPY_ADDRESS (&AccessPoint->RemoteAddress, &Tcb->RemoteEnd.Ip);\r |
8a67d61d | 110 | AccessPoint->RemotePort = NTOHS (Tcb->RemoteEnd.Port);\r |
111 | AccessPoint->ActiveFlag = (BOOLEAN) (Tcb->State != TCP_LISTEN);\r | |
112 | \r | |
113 | if (Option != NULL) {\r | |
114 | Option->ReceiveBufferSize = GET_RCV_BUFFSIZE (Tcb->Sk);\r | |
115 | Option->SendBufferSize = GET_SND_BUFFSIZE (Tcb->Sk);\r | |
116 | Option->MaxSynBackLog = GET_BACKLOG (Tcb->Sk);\r | |
117 | \r | |
118 | Option->ConnectionTimeout = Tcb->ConnectTimeout / TCP_TICK_HZ;\r | |
119 | Option->DataRetries = Tcb->MaxRexmit;\r | |
120 | Option->FinTimeout = Tcb->FinWait2Timeout / TCP_TICK_HZ;\r | |
121 | Option->TimeWaitTimeout = Tcb->TimeWaitTimeout / TCP_TICK_HZ;\r | |
122 | Option->KeepAliveProbes = Tcb->MaxKeepAlive;\r | |
123 | Option->KeepAliveTime = Tcb->KeepAliveIdle / TCP_TICK_HZ;\r | |
124 | Option->KeepAliveInterval = Tcb->KeepAlivePeriod / TCP_TICK_HZ;\r | |
125 | \r | |
4eb65aff | 126 | Option->EnableNagle = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE));\r |
127 | Option->EnableTimeStamp = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_TS));\r | |
ed66e1bc | 128 | Option->EnableWindowScaling = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_WS));\r |
8a67d61d | 129 | \r |
130 | Option->EnableSelectiveAck = FALSE;\r | |
131 | Option->EnablePathMtuDiscovery = FALSE;\r | |
132 | }\r | |
133 | }\r | |
134 | \r | |
2a2e33b2 | 135 | Ip = Tcb->IpInfo->Ip.Ip4;\r |
120db52c | 136 | ASSERT (Ip != NULL);\r |
8a67d61d | 137 | \r |
138 | return Ip->GetModeData (Ip, Mode->Ip4ModeData, Mode->MnpConfigData, Mode->SnpModeData);\r | |
139 | }\r | |
140 | \r | |
141 | \r | |
142 | /**\r | |
143 | If AP->StationPort isn't zero, check whether the access point\r | |
144 | is registered, else generate a random station port for this\r | |
145 | access point.\r | |
146 | \r | |
147 | @param AP Pointer to the access point.\r | |
148 | \r | |
149 | @retval EFI_SUCCESS The check is passed or the port is assigned.\r | |
150 | @retval EFI_INVALID_PARAMETER The non-zero station port is already used.\r | |
151 | @retval EFI_OUT_OF_RESOURCES No port can be allocated.\r | |
152 | \r | |
153 | **/\r | |
8a67d61d | 154 | EFI_STATUS\r |
155 | Tcp4Bind (\r | |
156 | IN EFI_TCP4_ACCESS_POINT *AP\r | |
157 | )\r | |
158 | {\r | |
159 | BOOLEAN Cycle;\r | |
160 | \r | |
161 | if (0 != AP->StationPort) {\r | |
162 | //\r | |
163 | // check if a same endpoint is bound\r | |
164 | //\r | |
165 | if (TcpFindTcbByPeer (&AP->StationAddress, AP->StationPort)) {\r | |
166 | \r | |
167 | return EFI_INVALID_PARAMETER;\r | |
168 | }\r | |
169 | } else {\r | |
170 | //\r | |
171 | // generate a random port\r | |
172 | //\r | |
173 | Cycle = FALSE;\r | |
174 | \r | |
175 | if (TCP4_PORT_USER_RESERVED == mTcp4RandomPort) {\r | |
176 | mTcp4RandomPort = TCP4_PORT_KNOWN;\r | |
177 | }\r | |
178 | \r | |
179 | mTcp4RandomPort++;\r | |
180 | \r | |
181 | while (TcpFindTcbByPeer (&AP->StationAddress, mTcp4RandomPort)) {\r | |
182 | \r | |
183 | mTcp4RandomPort++;\r | |
184 | \r | |
185 | if (mTcp4RandomPort <= TCP4_PORT_KNOWN) {\r | |
186 | \r | |
187 | if (Cycle) {\r | |
e48e37fc | 188 | DEBUG ((EFI_D_ERROR, "Tcp4Bind: no port can be allocated "\r |
8a67d61d | 189 | "for this pcb\n"));\r |
190 | \r | |
191 | return EFI_OUT_OF_RESOURCES;\r | |
192 | }\r | |
193 | \r | |
194 | mTcp4RandomPort = TCP4_PORT_KNOWN + 1;\r | |
195 | \r | |
196 | Cycle = TRUE;\r | |
197 | }\r | |
198 | \r | |
199 | }\r | |
200 | \r | |
201 | AP->StationPort = mTcp4RandomPort;\r | |
202 | }\r | |
203 | \r | |
204 | return EFI_SUCCESS;\r | |
205 | }\r | |
206 | \r | |
207 | \r | |
208 | /**\r | |
85511ddf | 209 | Flush the Tcb add its associated protocols.\r |
8a67d61d | 210 | \r |
211 | @param Tcb Pointer to the TCP_CB to be flushed.\r | |
212 | \r | |
120db52c | 213 | **/\r |
8a67d61d | 214 | VOID\r |
215 | Tcp4FlushPcb (\r | |
216 | IN TCP_CB *Tcb\r | |
217 | )\r | |
218 | {\r | |
219 | SOCKET *Sock;\r | |
8a67d61d | 220 | \r |
221 | IpIoConfigIp (Tcb->IpInfo, NULL);\r | |
222 | \r | |
223 | Sock = Tcb->Sk;\r | |
8a67d61d | 224 | \r |
225 | if (SOCK_IS_CONFIGURED (Sock)) {\r | |
e48e37fc | 226 | RemoveEntryList (&Tcb->List);\r |
8a67d61d | 227 | \r |
e5e12de7 | 228 | //\r |
29056ed2 | 229 | // Uninstall the device path protocol.\r |
e5e12de7 | 230 | //\r |
29056ed2 | 231 | if (Sock->DevicePath != NULL) {\r |
232 | gBS->UninstallProtocolInterface (\r | |
233 | Sock->SockHandle,\r | |
234 | &gEfiDevicePathProtocolGuid,\r | |
235 | Sock->DevicePath\r | |
236 | );\r | |
237 | FreePool (Sock->DevicePath);\r | |
238 | }\r | |
8a67d61d | 239 | }\r |
240 | \r | |
241 | NetbufFreeList (&Tcb->SndQue);\r | |
242 | NetbufFreeList (&Tcb->RcvQue);\r | |
54ea3ede | 243 | Tcb->State = TCP_CLOSED;\r |
8a67d61d | 244 | }\r |
245 | \r | |
120db52c | 246 | /**\r |
dfc1f033 | 247 | Attach a Pcb to the socket.\r |
120db52c | 248 | \r |
249 | @param Sk Pointer to the socket of this TCP instance.\r | |
e2851998 | 250 | \r |
120db52c | 251 | @retval EFI_SUCCESS The operation is completed successfully.\r |
252 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r | |
253 | \r | |
254 | **/\r | |
8a67d61d | 255 | EFI_STATUS\r |
256 | Tcp4AttachPcb (\r | |
257 | IN SOCKET *Sk\r | |
258 | )\r | |
259 | {\r | |
260 | TCP_CB *Tcb;\r | |
261 | TCP4_PROTO_DATA *ProtoData;\r | |
262 | IP_IO *IpIo;\r | |
216f7970 | 263 | EFI_STATUS Status;\r |
264 | VOID *Ip;\r | |
8a67d61d | 265 | \r |
e48e37fc | 266 | Tcb = AllocateZeroPool (sizeof (TCP_CB));\r |
8a67d61d | 267 | \r |
268 | if (Tcb == NULL) {\r | |
269 | \r | |
e48e37fc | 270 | DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: failed to allocate a TCB\n"));\r |
8a67d61d | 271 | \r |
272 | return EFI_OUT_OF_RESOURCES;\r | |
273 | }\r | |
274 | \r | |
275 | ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r | |
276 | IpIo = ProtoData->TcpService->IpIo;\r | |
277 | \r | |
278 | //\r | |
279 | // Create an IpInfo for this Tcb.\r | |
280 | //\r | |
281 | Tcb->IpInfo = IpIoAddIp (IpIo);\r | |
282 | if (Tcb->IpInfo == NULL) {\r | |
283 | \r | |
766c7483 | 284 | FreePool (Tcb);\r |
8a67d61d | 285 | return EFI_OUT_OF_RESOURCES;\r |
286 | }\r | |
287 | \r | |
216f7970 | 288 | //\r |
289 | // Open the new created IP instance BY_CHILD.\r | |
290 | //\r | |
291 | Status = gBS->OpenProtocol (\r | |
292 | Tcb->IpInfo->ChildHandle,\r | |
293 | &gEfiIp4ProtocolGuid,\r | |
294 | &Ip,\r | |
295 | IpIo->Image,\r | |
296 | Sk->SockHandle,\r | |
297 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
298 | );\r | |
299 | if (EFI_ERROR (Status)) {\r | |
300 | IpIoRemoveIp (IpIo, Tcb->IpInfo);\r | |
301 | return Status;\r | |
302 | }\r | |
303 | \r | |
e48e37fc | 304 | InitializeListHead (&Tcb->List);\r |
305 | InitializeListHead (&Tcb->SndQue);\r | |
306 | InitializeListHead (&Tcb->RcvQue);\r | |
8a67d61d | 307 | \r |
308 | Tcb->State = TCP_CLOSED;\r | |
309 | Tcb->Sk = Sk;\r | |
310 | ProtoData->TcpPcb = Tcb;\r | |
311 | \r | |
312 | return EFI_SUCCESS;\r | |
313 | }\r | |
314 | \r | |
120db52c | 315 | /**\r |
dfc1f033 | 316 | Detach the Pcb of the socket.\r |
120db52c | 317 | \r |
318 | @param Sk Pointer to the socket of this TCP instance.\r | |
e2851998 | 319 | \r |
120db52c | 320 | **/\r |
8a67d61d | 321 | VOID\r |
322 | Tcp4DetachPcb (\r | |
323 | IN SOCKET *Sk\r | |
324 | )\r | |
325 | {\r | |
326 | TCP4_PROTO_DATA *ProtoData;\r | |
327 | TCP_CB *Tcb;\r | |
328 | \r | |
329 | ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r | |
330 | Tcb = ProtoData->TcpPcb;\r | |
331 | \r | |
332 | ASSERT (Tcb != NULL);\r | |
333 | \r | |
334 | Tcp4FlushPcb (Tcb);\r | |
335 | \r | |
216f7970 | 336 | //\r |
337 | // Close the IP protocol.\r | |
338 | //\r | |
339 | gBS->CloseProtocol (\r | |
340 | Tcb->IpInfo->ChildHandle,\r | |
341 | &gEfiIp4ProtocolGuid,\r | |
342 | ProtoData->TcpService->IpIo->Image,\r | |
343 | Sk->SockHandle\r | |
344 | );\r | |
345 | \r | |
8a67d61d | 346 | IpIoRemoveIp (ProtoData->TcpService->IpIo, Tcb->IpInfo);\r |
347 | \r | |
766c7483 | 348 | FreePool (Tcb);\r |
8a67d61d | 349 | \r |
350 | ProtoData->TcpPcb = NULL;\r | |
351 | }\r | |
352 | \r | |
353 | \r | |
354 | /**\r | |
dfc1f033 | 355 | Configure the Pcb using CfgData.\r |
8a67d61d | 356 | \r |
357 | @param Sk Pointer to the socket of this TCP instance.\r | |
8a67d61d | 358 | @param CfgData Pointer to the TCP configuration data.\r |
359 | \r | |
360 | @retval EFI_SUCCESS The operation is completed successfully.\r | |
361 | @retval EFI_INVALID_PARAMETER A same access point has been configured in\r | |
362 | another TCP instance.\r | |
363 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r | |
364 | \r | |
365 | **/\r | |
8a67d61d | 366 | EFI_STATUS\r |
367 | Tcp4ConfigurePcb (\r | |
368 | IN SOCKET *Sk,\r | |
369 | IN EFI_TCP4_CONFIG_DATA *CfgData\r | |
370 | )\r | |
371 | {\r | |
8a67d61d | 372 | EFI_IP4_CONFIG_DATA IpCfgData;\r |
373 | EFI_STATUS Status;\r | |
374 | EFI_TCP4_OPTION *Option;\r | |
375 | TCP4_PROTO_DATA *TcpProto;\r | |
376 | TCP_CB *Tcb;\r | |
377 | \r | |
120db52c | 378 | ASSERT ((CfgData != NULL) && (Sk != NULL) && (Sk->SockHandle != NULL));\r |
8a67d61d | 379 | \r |
380 | TcpProto = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r | |
381 | Tcb = TcpProto->TcpPcb;\r | |
8a67d61d | 382 | \r |
383 | ASSERT (Tcb != NULL);\r | |
384 | \r | |
385 | //\r | |
386 | // Add Ip for send pkt to the peer\r | |
387 | //\r | |
fb115c61 | 388 | CopyMem (&IpCfgData, &mIp4IoDefaultIpConfigData, sizeof (IpCfgData));\r |
8a67d61d | 389 | IpCfgData.DefaultProtocol = EFI_IP_PROTO_TCP;\r |
390 | IpCfgData.UseDefaultAddress = CfgData->AccessPoint.UseDefaultAddress;\r | |
391 | IpCfgData.StationAddress = CfgData->AccessPoint.StationAddress;\r | |
392 | IpCfgData.SubnetMask = CfgData->AccessPoint.SubnetMask;\r | |
393 | IpCfgData.ReceiveTimeout = (UINT32) (-1);\r | |
394 | \r | |
395 | //\r | |
396 | // Configure the IP instance this Tcb consumes.\r | |
397 | //\r | |
398 | Status = IpIoConfigIp (Tcb->IpInfo, &IpCfgData);\r | |
399 | if (EFI_ERROR (Status)) {\r | |
400 | goto OnExit;\r | |
401 | }\r | |
402 | \r | |
403 | //\r | |
404 | // Get the default address info if the instance is configured to use default address.\r | |
405 | //\r | |
406 | if (CfgData->AccessPoint.UseDefaultAddress) {\r | |
407 | CfgData->AccessPoint.StationAddress = IpCfgData.StationAddress;\r | |
408 | CfgData->AccessPoint.SubnetMask = IpCfgData.SubnetMask;\r | |
409 | }\r | |
410 | \r | |
411 | //\r | |
412 | // check if we can bind this endpoint in CfgData\r | |
413 | //\r | |
414 | Status = Tcp4Bind (&(CfgData->AccessPoint));\r | |
415 | \r | |
416 | if (EFI_ERROR (Status)) {\r | |
e48e37fc | 417 | DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: Bind endpoint failed "\r |
8a67d61d | 418 | "with %r\n", Status));\r |
419 | \r | |
420 | goto OnExit;\r | |
421 | }\r | |
422 | \r | |
423 | //\r | |
424 | // Initalize the operating information in this Tcb\r | |
425 | //\r | |
426 | ASSERT (Tcb->State == TCP_CLOSED &&\r | |
e48e37fc | 427 | IsListEmpty (&Tcb->SndQue) &&\r |
428 | IsListEmpty (&Tcb->RcvQue));\r | |
8a67d61d | 429 | \r |
430 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r | |
431 | Tcb->State = TCP_CLOSED;\r | |
432 | \r | |
433 | Tcb->SndMss = 536;\r | |
434 | Tcb->RcvMss = TcpGetRcvMss (Sk);\r | |
435 | \r | |
436 | Tcb->SRtt = 0;\r | |
437 | Tcb->Rto = 3 * TCP_TICK_HZ;\r | |
438 | \r | |
439 | Tcb->CWnd = Tcb->SndMss;\r | |
440 | Tcb->Ssthresh = 0xffffffff;\r | |
441 | \r | |
442 | Tcb->CongestState = TCP_CONGEST_OPEN;\r | |
443 | \r | |
444 | Tcb->KeepAliveIdle = TCP_KEEPALIVE_IDLE_MIN;\r | |
445 | Tcb->KeepAlivePeriod = TCP_KEEPALIVE_PERIOD;\r | |
446 | Tcb->MaxKeepAlive = TCP_MAX_KEEPALIVE;\r | |
447 | Tcb->MaxRexmit = TCP_MAX_LOSS;\r | |
448 | Tcb->FinWait2Timeout = TCP_FIN_WAIT2_TIME;\r | |
449 | Tcb->TimeWaitTimeout = TCP_TIME_WAIT_TIME;\r | |
450 | Tcb->ConnectTimeout = TCP_CONNECT_TIME;\r | |
451 | \r | |
452 | //\r | |
453 | // initialize Tcb in the light of CfgData\r | |
454 | //\r | |
a78d176c | 455 | Tcb->Ttl = CfgData->TimeToLive;\r |
456 | Tcb->Tos = CfgData->TypeOfService;\r | |
8a67d61d | 457 | \r |
e5e12de7 | 458 | Tcb->UseDefaultAddr = CfgData->AccessPoint.UseDefaultAddress;\r |
459 | \r | |
e48e37fc | 460 | CopyMem (&Tcb->LocalEnd.Ip, &CfgData->AccessPoint.StationAddress, sizeof (IP4_ADDR));\r |
8a67d61d | 461 | Tcb->LocalEnd.Port = HTONS (CfgData->AccessPoint.StationPort);\r |
35f910f0 | 462 | IP4_COPY_ADDRESS (&Tcb->SubnetMask, &CfgData->AccessPoint.SubnetMask);\r |
8a67d61d | 463 | \r |
e5e12de7 | 464 | if (CfgData->AccessPoint.ActiveFlag) {\r |
e48e37fc | 465 | CopyMem (&Tcb->RemoteEnd.Ip, &CfgData->AccessPoint.RemoteAddress, sizeof (IP4_ADDR));\r |
e5e12de7 | 466 | Tcb->RemoteEnd.Port = HTONS (CfgData->AccessPoint.RemotePort);\r |
467 | } else {\r | |
468 | Tcb->RemoteEnd.Ip = 0;\r | |
469 | Tcb->RemoteEnd.Port = 0;\r | |
470 | }\r | |
8a67d61d | 471 | \r |
472 | Option = CfgData->ControlOption;\r | |
473 | \r | |
474 | if (Option != NULL) {\r | |
475 | SET_RCV_BUFFSIZE (\r | |
476 | Sk,\r | |
4eb65aff | 477 | (UINT32) (TCP_COMP_VAL (\r |
478 | TCP_RCV_BUF_SIZE_MIN,\r | |
479 | TCP_RCV_BUF_SIZE,\r | |
480 | TCP_RCV_BUF_SIZE,\r | |
481 | Option->ReceiveBufferSize\r | |
482 | )\r | |
483 | )\r | |
8a67d61d | 484 | );\r |
485 | SET_SND_BUFFSIZE (\r | |
486 | Sk,\r | |
4eb65aff | 487 | (UINT32) (TCP_COMP_VAL (\r |
488 | TCP_SND_BUF_SIZE_MIN,\r | |
489 | TCP_SND_BUF_SIZE,\r | |
490 | TCP_SND_BUF_SIZE,\r | |
491 | Option->SendBufferSize\r | |
492 | )\r | |
493 | )\r | |
8a67d61d | 494 | );\r |
495 | \r | |
496 | SET_BACKLOG (\r | |
497 | Sk,\r | |
4eb65aff | 498 | (UINT32) (TCP_COMP_VAL (\r |
499 | TCP_BACKLOG_MIN,\r | |
500 | TCP_BACKLOG,\r | |
501 | TCP_BACKLOG,\r | |
502 | Option->MaxSynBackLog\r | |
503 | )\r | |
504 | )\r | |
8a67d61d | 505 | );\r |
506 | \r | |
507 | Tcb->MaxRexmit = (UINT16) TCP_COMP_VAL (\r | |
508 | TCP_MAX_LOSS_MIN,\r | |
509 | TCP_MAX_LOSS,\r | |
510 | TCP_MAX_LOSS,\r | |
511 | Option->DataRetries\r | |
512 | );\r | |
513 | Tcb->FinWait2Timeout = TCP_COMP_VAL (\r | |
514 | TCP_FIN_WAIT2_TIME,\r | |
515 | TCP_FIN_WAIT2_TIME_MAX,\r | |
516 | TCP_FIN_WAIT2_TIME,\r | |
4eb65aff | 517 | (UINT32) (Option->FinTimeout * TCP_TICK_HZ)\r |
8a67d61d | 518 | );\r |
519 | \r | |
520 | if (Option->TimeWaitTimeout != 0) {\r | |
521 | Tcb->TimeWaitTimeout = TCP_COMP_VAL (\r | |
522 | TCP_TIME_WAIT_TIME,\r | |
523 | TCP_TIME_WAIT_TIME_MAX,\r | |
524 | TCP_TIME_WAIT_TIME,\r | |
4eb65aff | 525 | (UINT32) (Option->TimeWaitTimeout * TCP_TICK_HZ)\r |
8a67d61d | 526 | );\r |
527 | } else {\r | |
528 | Tcb->TimeWaitTimeout = 0;\r | |
529 | }\r | |
530 | \r | |
531 | if (Option->KeepAliveProbes != 0) {\r | |
532 | TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r | |
533 | \r | |
534 | Tcb->MaxKeepAlive = (UINT8) TCP_COMP_VAL (\r | |
535 | TCP_MAX_KEEPALIVE_MIN,\r | |
536 | TCP_MAX_KEEPALIVE,\r | |
537 | TCP_MAX_KEEPALIVE,\r | |
538 | Option->KeepAliveProbes\r | |
539 | );\r | |
540 | Tcb->KeepAliveIdle = TCP_COMP_VAL (\r | |
541 | TCP_KEEPALIVE_IDLE_MIN,\r | |
542 | TCP_KEEPALIVE_IDLE_MAX,\r | |
543 | TCP_KEEPALIVE_IDLE_MIN,\r | |
4eb65aff | 544 | (UINT32) (Option->KeepAliveTime * TCP_TICK_HZ)\r |
8a67d61d | 545 | );\r |
546 | Tcb->KeepAlivePeriod = TCP_COMP_VAL (\r | |
547 | TCP_KEEPALIVE_PERIOD_MIN,\r | |
548 | TCP_KEEPALIVE_PERIOD,\r | |
549 | TCP_KEEPALIVE_PERIOD,\r | |
4eb65aff | 550 | (UINT32) (Option->KeepAliveInterval * TCP_TICK_HZ)\r |
8a67d61d | 551 | );\r |
552 | }\r | |
553 | \r | |
554 | Tcb->ConnectTimeout = TCP_COMP_VAL (\r | |
555 | TCP_CONNECT_TIME_MIN,\r | |
556 | TCP_CONNECT_TIME,\r | |
557 | TCP_CONNECT_TIME,\r | |
4eb65aff | 558 | (UINT32) (Option->ConnectionTimeout * TCP_TICK_HZ)\r |
8a67d61d | 559 | );\r |
560 | \r | |
e2851998 | 561 | if (!Option->EnableNagle) {\r |
8a67d61d | 562 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE);\r |
563 | }\r | |
564 | \r | |
e2851998 | 565 | if (!Option->EnableTimeStamp) {\r |
8a67d61d | 566 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_TS);\r |
567 | }\r | |
568 | \r | |
e2851998 | 569 | if (!Option->EnableWindowScaling) {\r |
8a67d61d | 570 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_WS);\r |
571 | }\r | |
572 | }\r | |
573 | \r | |
e5e12de7 | 574 | //\r |
575 | // The socket is bound, the <SrcIp, SrcPort, DstIp, DstPort> is\r | |
576 | // determined, construct the IP device path and install it.\r | |
577 | //\r | |
578 | Status = TcpInstallDevicePath (Sk);\r | |
579 | if (EFI_ERROR (Status)) {\r | |
580 | goto OnExit;\r | |
581 | }\r | |
582 | \r | |
8a67d61d | 583 | //\r |
584 | // update state of Tcb and socket\r | |
585 | //\r | |
e2851998 | 586 | if (!CfgData->AccessPoint.ActiveFlag) {\r |
8a67d61d | 587 | \r |
588 | TcpSetState (Tcb, TCP_LISTEN);\r | |
589 | SockSetState (Sk, SO_LISTENING);\r | |
590 | \r | |
591 | Sk->ConfigureState = SO_CONFIGURED_PASSIVE;\r | |
592 | } else {\r | |
593 | \r | |
594 | Sk->ConfigureState = SO_CONFIGURED_ACTIVE;\r | |
595 | }\r | |
596 | \r | |
597 | TcpInsertTcb (Tcb);\r | |
598 | \r | |
599 | OnExit:\r | |
600 | \r | |
601 | return Status;\r | |
602 | }\r | |
603 | \r | |
604 | \r | |
605 | /**\r | |
606 | The procotol handler provided to the socket layer, used to\r | |
607 | dispatch the socket level requests by calling the corresponding\r | |
608 | TCP layer functions.\r | |
609 | \r | |
610 | @param Sock Pointer to the socket of this TCP instance.\r | |
611 | @param Request The code of this operation request.\r | |
612 | @param Data Pointer to the operation specific data passed in\r | |
613 | together with the operation request.\r | |
614 | \r | |
615 | @retval EFI_SUCCESS The socket request is completed successfully.\r | |
616 | @retval other The error status returned by the corresponding TCP\r | |
617 | layer function.\r | |
618 | \r | |
619 | **/\r | |
620 | EFI_STATUS\r | |
621 | Tcp4Dispatcher (\r | |
622 | IN SOCKET *Sock,\r | |
f6b7393c | 623 | IN UINT8 Request,\r |
8a67d61d | 624 | IN VOID *Data OPTIONAL\r |
625 | )\r | |
626 | {\r | |
627 | TCP_CB *Tcb;\r | |
628 | TCP4_PROTO_DATA *ProtoData;\r | |
629 | EFI_IP4_PROTOCOL *Ip;\r | |
630 | \r | |
631 | ProtoData = (TCP4_PROTO_DATA *) Sock->ProtoReserved;\r | |
632 | Tcb = ProtoData->TcpPcb;\r | |
633 | \r | |
634 | switch (Request) {\r | |
635 | case SOCK_POLL:\r | |
2a2e33b2 | 636 | Ip = ProtoData->TcpService->IpIo->Ip.Ip4;\r |
8a67d61d | 637 | Ip->Poll (Ip);\r |
638 | break;\r | |
639 | \r | |
640 | case SOCK_CONSUMED:\r | |
641 | //\r | |
642 | // After user received data from socket buffer, socket will\r | |
643 | // notify TCP using this message to give it a chance to send out\r | |
644 | // window update information\r | |
645 | //\r | |
120db52c | 646 | ASSERT (Tcb != NULL);\r |
8a67d61d | 647 | TcpOnAppConsume (Tcb);\r |
648 | break;\r | |
649 | \r | |
650 | case SOCK_SND:\r | |
651 | \r | |
120db52c | 652 | ASSERT (Tcb != NULL);\r |
8a67d61d | 653 | TcpOnAppSend (Tcb);\r |
654 | break;\r | |
655 | \r | |
656 | case SOCK_CLOSE:\r | |
657 | \r | |
658 | TcpOnAppClose (Tcb);\r | |
659 | \r | |
660 | break;\r | |
661 | \r | |
662 | case SOCK_ABORT:\r | |
663 | \r | |
664 | TcpOnAppAbort (Tcb);\r | |
665 | \r | |
666 | break;\r | |
667 | \r | |
668 | case SOCK_SNDPUSH:\r | |
669 | Tcb->SndPsh = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk);\r | |
670 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_PSH);\r | |
671 | \r | |
672 | break;\r | |
673 | \r | |
674 | case SOCK_SNDURG:\r | |
675 | Tcb->SndUp = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk) - 1;\r | |
676 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_URG);\r | |
677 | \r | |
678 | break;\r | |
679 | \r | |
680 | case SOCK_CONNECT:\r | |
681 | \r | |
682 | TcpOnAppConnect (Tcb);\r | |
683 | \r | |
684 | break;\r | |
685 | \r | |
686 | case SOCK_ATTACH:\r | |
687 | \r | |
688 | return Tcp4AttachPcb (Sock);\r | |
689 | \r | |
8a67d61d | 690 | case SOCK_FLUSH:\r |
691 | \r | |
692 | Tcp4FlushPcb (Tcb);\r | |
693 | \r | |
694 | break;\r | |
695 | \r | |
696 | case SOCK_DETACH:\r | |
697 | \r | |
698 | Tcp4DetachPcb (Sock);\r | |
699 | \r | |
700 | break;\r | |
701 | \r | |
702 | case SOCK_CONFIGURE:\r | |
703 | \r | |
704 | return Tcp4ConfigurePcb (\r | |
705 | Sock,\r | |
706 | (EFI_TCP4_CONFIG_DATA *) Data\r | |
707 | );\r | |
708 | \r | |
8a67d61d | 709 | case SOCK_MODE:\r |
710 | \r | |
120db52c | 711 | ASSERT ((Data != NULL) && (Tcb != NULL));\r |
8a67d61d | 712 | \r |
713 | return Tcp4GetMode (Tcb, (TCP4_MODE_DATA *) Data);\r | |
714 | \r | |
8a67d61d | 715 | case SOCK_ROUTE:\r |
716 | \r | |
120db52c | 717 | ASSERT ((Data != NULL) && (Tcb != NULL));\r |
8a67d61d | 718 | \r |
719 | return Tcp4Route (Tcb, (TCP4_ROUTE_INFO *) Data);\r | |
720 | \r | |
b61439a7 | 721 | default:\r |
722 | return EFI_UNSUPPORTED;\r | |
8a67d61d | 723 | }\r |
724 | \r | |
725 | return EFI_SUCCESS;\r | |
726 | \r | |
727 | }\r |