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8a67d61d | 1 | /** @file\r |
dab714aa | 2 | Tcp request dispatcher implementation.\r |
8a67d61d | 3 | \r |
54ea3ede | 4 | Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 5 | This program and the accompanying materials\r |
8a67d61d | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
dfc1f033 | 8 | http://opensource.org/licenses/bsd-license.php<BR>\r |
8a67d61d | 9 | \r |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
8a67d61d | 13 | **/\r |
14 | \r | |
15 | #include "Tcp4Main.h"\r | |
16 | \r | |
17 | #define TCP_COMP_VAL(Min, Max, Default, Val) \\r | |
18 | ((((Val) <= (Max)) && ((Val) >= (Min))) ? (Val) : (Default))\r | |
19 | \r | |
120db52c | 20 | /**\r |
21 | Add or remove a route entry in the IP route table associated with this TCP instance.\r | |
22 | \r | |
23 | @param Tcb Pointer to the TCP_CB of this TCP instance.\r | |
24 | @param RouteInfo Pointer to the route info to be processed.\r | |
25 | \r | |
26 | @retval EFI_SUCCESS The operation completed successfully.\r | |
27 | @retval EFI_NOT_STARTED The driver instance has not been started.\r | |
28 | @retval EFI_NO_MAPPING When using the default address, configuration(DHCP,\r | |
29 | BOOTP, RARP, etc.) is not finished yet.\r | |
30 | @retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.\r | |
31 | @retval EFI_NOT_FOUND This route is not in the routing table\r | |
32 | (when RouteInfo->DeleteRoute is TRUE).\r | |
33 | @retval EFI_ACCESS_DENIED The route is already defined in the routing table\r | |
34 | (when RouteInfo->DeleteRoute is FALSE).\r | |
35 | **/\r | |
8a67d61d | 36 | EFI_STATUS\r |
37 | Tcp4Route (\r | |
38 | IN TCP_CB *Tcb,\r | |
39 | IN TCP4_ROUTE_INFO *RouteInfo\r | |
40 | )\r | |
8a67d61d | 41 | {\r |
2a2e33b2 | 42 | EFI_IP4_PROTOCOL *Ip4;\r |
8a67d61d | 43 | \r |
2a2e33b2 | 44 | Ip4 = Tcb->IpInfo->Ip.Ip4;\r |
8a67d61d | 45 | \r |
2a2e33b2 | 46 | ASSERT (Ip4 != NULL);\r |
8a67d61d | 47 | \r |
2a2e33b2 | 48 | return Ip4->Routes (\r |
49 | Ip4,\r | |
8a67d61d | 50 | RouteInfo->DeleteRoute,\r |
51 | RouteInfo->SubnetAddress,\r | |
52 | RouteInfo->SubnetMask,\r | |
53 | RouteInfo->GatewayAddress\r | |
54 | );\r | |
e2851998 | 55 | \r |
8a67d61d | 56 | }\r |
57 | \r | |
58 | \r | |
59 | /**\r | |
60 | Get the operational settings of this TCP instance.\r | |
61 | \r | |
62 | @param Tcb Pointer to the TCP_CB of this TCP instance.\r | |
63 | @param Mode Pointer to the buffer to store the operational\r | |
64 | settings.\r | |
65 | \r | |
66 | @retval EFI_SUCCESS The mode data is read.\r | |
67 | @retval EFI_NOT_STARTED No configuration data is available because this\r | |
68 | instance hasn't been started.\r | |
69 | \r | |
70 | **/\r | |
8a67d61d | 71 | EFI_STATUS\r |
72 | Tcp4GetMode (\r | |
276dcc1b | 73 | IN TCP_CB *Tcb,\r |
74 | IN OUT TCP4_MODE_DATA *Mode\r | |
8a67d61d | 75 | )\r |
76 | {\r | |
77 | SOCKET *Sock;\r | |
78 | EFI_TCP4_CONFIG_DATA *ConfigData;\r | |
79 | EFI_TCP4_ACCESS_POINT *AccessPoint;\r | |
80 | EFI_TCP4_OPTION *Option;\r | |
81 | EFI_IP4_PROTOCOL *Ip;\r | |
82 | \r | |
83 | Sock = Tcb->Sk;\r | |
84 | \r | |
85 | if (!SOCK_IS_CONFIGURED (Sock) && (Mode->Tcp4ConfigData != NULL)) {\r | |
86 | return EFI_NOT_STARTED;\r | |
87 | }\r | |
88 | \r | |
85511ddf | 89 | if (Mode->Tcp4State != NULL) {\r |
4eb65aff | 90 | *(Mode->Tcp4State) = (EFI_TCP4_CONNECTION_STATE) Tcb->State;\r |
8a67d61d | 91 | }\r |
92 | \r | |
85511ddf | 93 | if (Mode->Tcp4ConfigData != NULL) {\r |
8a67d61d | 94 | \r |
95 | ConfigData = Mode->Tcp4ConfigData;\r | |
96 | AccessPoint = &(ConfigData->AccessPoint);\r | |
97 | Option = ConfigData->ControlOption;\r | |
98 | \r | |
a78d176c | 99 | ConfigData->TypeOfService = Tcb->Tos;\r |
100 | ConfigData->TimeToLive = Tcb->Ttl;\r | |
8a67d61d | 101 | \r |
102 | AccessPoint->UseDefaultAddress = Tcb->UseDefaultAddr;\r | |
103 | \r | |
e48e37fc | 104 | CopyMem (&AccessPoint->StationAddress, &Tcb->LocalEnd.Ip, sizeof (EFI_IPv4_ADDRESS));\r |
8a67d61d | 105 | AccessPoint->SubnetMask = Tcb->SubnetMask;\r |
106 | AccessPoint->StationPort = NTOHS (Tcb->LocalEnd.Port);\r | |
107 | \r | |
e48e37fc | 108 | CopyMem (&AccessPoint->RemoteAddress, &Tcb->RemoteEnd.Ip, sizeof (EFI_IPv4_ADDRESS));\r |
8a67d61d | 109 | AccessPoint->RemotePort = NTOHS (Tcb->RemoteEnd.Port);\r |
110 | AccessPoint->ActiveFlag = (BOOLEAN) (Tcb->State != TCP_LISTEN);\r | |
111 | \r | |
112 | if (Option != NULL) {\r | |
113 | Option->ReceiveBufferSize = GET_RCV_BUFFSIZE (Tcb->Sk);\r | |
114 | Option->SendBufferSize = GET_SND_BUFFSIZE (Tcb->Sk);\r | |
115 | Option->MaxSynBackLog = GET_BACKLOG (Tcb->Sk);\r | |
116 | \r | |
117 | Option->ConnectionTimeout = Tcb->ConnectTimeout / TCP_TICK_HZ;\r | |
118 | Option->DataRetries = Tcb->MaxRexmit;\r | |
119 | Option->FinTimeout = Tcb->FinWait2Timeout / TCP_TICK_HZ;\r | |
120 | Option->TimeWaitTimeout = Tcb->TimeWaitTimeout / TCP_TICK_HZ;\r | |
121 | Option->KeepAliveProbes = Tcb->MaxKeepAlive;\r | |
122 | Option->KeepAliveTime = Tcb->KeepAliveIdle / TCP_TICK_HZ;\r | |
123 | Option->KeepAliveInterval = Tcb->KeepAlivePeriod / TCP_TICK_HZ;\r | |
124 | \r | |
4eb65aff | 125 | Option->EnableNagle = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE));\r |
126 | Option->EnableTimeStamp = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_TS));\r | |
ed66e1bc | 127 | Option->EnableWindowScaling = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_WS));\r |
8a67d61d | 128 | \r |
129 | Option->EnableSelectiveAck = FALSE;\r | |
130 | Option->EnablePathMtuDiscovery = FALSE;\r | |
131 | }\r | |
132 | }\r | |
133 | \r | |
2a2e33b2 | 134 | Ip = Tcb->IpInfo->Ip.Ip4;\r |
120db52c | 135 | ASSERT (Ip != NULL);\r |
8a67d61d | 136 | \r |
137 | return Ip->GetModeData (Ip, Mode->Ip4ModeData, Mode->MnpConfigData, Mode->SnpModeData);\r | |
138 | }\r | |
139 | \r | |
140 | \r | |
141 | /**\r | |
142 | If AP->StationPort isn't zero, check whether the access point\r | |
143 | is registered, else generate a random station port for this\r | |
144 | access point.\r | |
145 | \r | |
146 | @param AP Pointer to the access point.\r | |
147 | \r | |
148 | @retval EFI_SUCCESS The check is passed or the port is assigned.\r | |
149 | @retval EFI_INVALID_PARAMETER The non-zero station port is already used.\r | |
150 | @retval EFI_OUT_OF_RESOURCES No port can be allocated.\r | |
151 | \r | |
152 | **/\r | |
8a67d61d | 153 | EFI_STATUS\r |
154 | Tcp4Bind (\r | |
155 | IN EFI_TCP4_ACCESS_POINT *AP\r | |
156 | )\r | |
157 | {\r | |
158 | BOOLEAN Cycle;\r | |
159 | \r | |
160 | if (0 != AP->StationPort) {\r | |
161 | //\r | |
162 | // check if a same endpoint is bound\r | |
163 | //\r | |
164 | if (TcpFindTcbByPeer (&AP->StationAddress, AP->StationPort)) {\r | |
165 | \r | |
166 | return EFI_INVALID_PARAMETER;\r | |
167 | }\r | |
168 | } else {\r | |
169 | //\r | |
170 | // generate a random port\r | |
171 | //\r | |
172 | Cycle = FALSE;\r | |
173 | \r | |
174 | if (TCP4_PORT_USER_RESERVED == mTcp4RandomPort) {\r | |
175 | mTcp4RandomPort = TCP4_PORT_KNOWN;\r | |
176 | }\r | |
177 | \r | |
178 | mTcp4RandomPort++;\r | |
179 | \r | |
180 | while (TcpFindTcbByPeer (&AP->StationAddress, mTcp4RandomPort)) {\r | |
181 | \r | |
182 | mTcp4RandomPort++;\r | |
183 | \r | |
184 | if (mTcp4RandomPort <= TCP4_PORT_KNOWN) {\r | |
185 | \r | |
186 | if (Cycle) {\r | |
e48e37fc | 187 | DEBUG ((EFI_D_ERROR, "Tcp4Bind: no port can be allocated "\r |
8a67d61d | 188 | "for this pcb\n"));\r |
189 | \r | |
190 | return EFI_OUT_OF_RESOURCES;\r | |
191 | }\r | |
192 | \r | |
193 | mTcp4RandomPort = TCP4_PORT_KNOWN + 1;\r | |
194 | \r | |
195 | Cycle = TRUE;\r | |
196 | }\r | |
197 | \r | |
198 | }\r | |
199 | \r | |
200 | AP->StationPort = mTcp4RandomPort;\r | |
201 | }\r | |
202 | \r | |
203 | return EFI_SUCCESS;\r | |
204 | }\r | |
205 | \r | |
206 | \r | |
207 | /**\r | |
85511ddf | 208 | Flush the Tcb add its associated protocols.\r |
8a67d61d | 209 | \r |
210 | @param Tcb Pointer to the TCP_CB to be flushed.\r | |
211 | \r | |
120db52c | 212 | **/\r |
8a67d61d | 213 | VOID\r |
214 | Tcp4FlushPcb (\r | |
215 | IN TCP_CB *Tcb\r | |
216 | )\r | |
217 | {\r | |
218 | SOCKET *Sock;\r | |
219 | TCP4_PROTO_DATA *TcpProto;\r | |
220 | \r | |
221 | IpIoConfigIp (Tcb->IpInfo, NULL);\r | |
222 | \r | |
223 | Sock = Tcb->Sk;\r | |
224 | TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;\r | |
225 | \r | |
226 | if (SOCK_IS_CONFIGURED (Sock)) {\r | |
e48e37fc | 227 | RemoveEntryList (&Tcb->List);\r |
8a67d61d | 228 | \r |
e5e12de7 | 229 | //\r |
29056ed2 | 230 | // Uninstall the device path protocol.\r |
e5e12de7 | 231 | //\r |
29056ed2 | 232 | if (Sock->DevicePath != NULL) {\r |
233 | gBS->UninstallProtocolInterface (\r | |
234 | Sock->SockHandle,\r | |
235 | &gEfiDevicePathProtocolGuid,\r | |
236 | Sock->DevicePath\r | |
237 | );\r | |
238 | FreePool (Sock->DevicePath);\r | |
239 | }\r | |
e5e12de7 | 240 | \r |
8a67d61d | 241 | TcpSetVariableData (TcpProto->TcpService);\r |
242 | }\r | |
243 | \r | |
244 | NetbufFreeList (&Tcb->SndQue);\r | |
245 | NetbufFreeList (&Tcb->RcvQue);\r | |
54ea3ede | 246 | Tcb->State = TCP_CLOSED;\r |
8a67d61d | 247 | }\r |
248 | \r | |
120db52c | 249 | /**\r |
dfc1f033 | 250 | Attach a Pcb to the socket.\r |
120db52c | 251 | \r |
252 | @param Sk Pointer to the socket of this TCP instance.\r | |
e2851998 | 253 | \r |
120db52c | 254 | @retval EFI_SUCCESS The operation is completed successfully.\r |
255 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r | |
256 | \r | |
257 | **/\r | |
8a67d61d | 258 | EFI_STATUS\r |
259 | Tcp4AttachPcb (\r | |
260 | IN SOCKET *Sk\r | |
261 | )\r | |
262 | {\r | |
263 | TCP_CB *Tcb;\r | |
264 | TCP4_PROTO_DATA *ProtoData;\r | |
265 | IP_IO *IpIo;\r | |
266 | \r | |
e48e37fc | 267 | Tcb = AllocateZeroPool (sizeof (TCP_CB));\r |
8a67d61d | 268 | \r |
269 | if (Tcb == NULL) {\r | |
270 | \r | |
e48e37fc | 271 | DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: failed to allocate a TCB\n"));\r |
8a67d61d | 272 | \r |
273 | return EFI_OUT_OF_RESOURCES;\r | |
274 | }\r | |
275 | \r | |
276 | ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r | |
277 | IpIo = ProtoData->TcpService->IpIo;\r | |
278 | \r | |
279 | //\r | |
280 | // Create an IpInfo for this Tcb.\r | |
281 | //\r | |
282 | Tcb->IpInfo = IpIoAddIp (IpIo);\r | |
283 | if (Tcb->IpInfo == NULL) {\r | |
284 | \r | |
766c7483 | 285 | FreePool (Tcb);\r |
8a67d61d | 286 | return EFI_OUT_OF_RESOURCES;\r |
287 | }\r | |
288 | \r | |
e48e37fc | 289 | InitializeListHead (&Tcb->List);\r |
290 | InitializeListHead (&Tcb->SndQue);\r | |
291 | InitializeListHead (&Tcb->RcvQue);\r | |
8a67d61d | 292 | \r |
293 | Tcb->State = TCP_CLOSED;\r | |
294 | Tcb->Sk = Sk;\r | |
295 | ProtoData->TcpPcb = Tcb;\r | |
296 | \r | |
297 | return EFI_SUCCESS;\r | |
298 | }\r | |
299 | \r | |
120db52c | 300 | /**\r |
dfc1f033 | 301 | Detach the Pcb of the socket.\r |
120db52c | 302 | \r |
303 | @param Sk Pointer to the socket of this TCP instance.\r | |
e2851998 | 304 | \r |
120db52c | 305 | **/\r |
8a67d61d | 306 | VOID\r |
307 | Tcp4DetachPcb (\r | |
308 | IN SOCKET *Sk\r | |
309 | )\r | |
310 | {\r | |
311 | TCP4_PROTO_DATA *ProtoData;\r | |
312 | TCP_CB *Tcb;\r | |
313 | \r | |
314 | ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r | |
315 | Tcb = ProtoData->TcpPcb;\r | |
316 | \r | |
317 | ASSERT (Tcb != NULL);\r | |
318 | \r | |
319 | Tcp4FlushPcb (Tcb);\r | |
320 | \r | |
321 | IpIoRemoveIp (ProtoData->TcpService->IpIo, Tcb->IpInfo);\r | |
322 | \r | |
766c7483 | 323 | FreePool (Tcb);\r |
8a67d61d | 324 | \r |
325 | ProtoData->TcpPcb = NULL;\r | |
326 | }\r | |
327 | \r | |
328 | \r | |
329 | /**\r | |
dfc1f033 | 330 | Configure the Pcb using CfgData.\r |
8a67d61d | 331 | \r |
332 | @param Sk Pointer to the socket of this TCP instance.\r | |
8a67d61d | 333 | @param CfgData Pointer to the TCP configuration data.\r |
334 | \r | |
335 | @retval EFI_SUCCESS The operation is completed successfully.\r | |
336 | @retval EFI_INVALID_PARAMETER A same access point has been configured in\r | |
337 | another TCP instance.\r | |
338 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r | |
339 | \r | |
340 | **/\r | |
8a67d61d | 341 | EFI_STATUS\r |
342 | Tcp4ConfigurePcb (\r | |
343 | IN SOCKET *Sk,\r | |
344 | IN EFI_TCP4_CONFIG_DATA *CfgData\r | |
345 | )\r | |
346 | {\r | |
8a67d61d | 347 | EFI_IP4_CONFIG_DATA IpCfgData;\r |
348 | EFI_STATUS Status;\r | |
349 | EFI_TCP4_OPTION *Option;\r | |
350 | TCP4_PROTO_DATA *TcpProto;\r | |
351 | TCP_CB *Tcb;\r | |
352 | \r | |
120db52c | 353 | ASSERT ((CfgData != NULL) && (Sk != NULL) && (Sk->SockHandle != NULL));\r |
8a67d61d | 354 | \r |
355 | TcpProto = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r | |
356 | Tcb = TcpProto->TcpPcb;\r | |
8a67d61d | 357 | \r |
358 | ASSERT (Tcb != NULL);\r | |
359 | \r | |
360 | //\r | |
361 | // Add Ip for send pkt to the peer\r | |
362 | //\r | |
fb115c61 | 363 | CopyMem (&IpCfgData, &mIp4IoDefaultIpConfigData, sizeof (IpCfgData));\r |
8a67d61d | 364 | IpCfgData.DefaultProtocol = EFI_IP_PROTO_TCP;\r |
365 | IpCfgData.UseDefaultAddress = CfgData->AccessPoint.UseDefaultAddress;\r | |
366 | IpCfgData.StationAddress = CfgData->AccessPoint.StationAddress;\r | |
367 | IpCfgData.SubnetMask = CfgData->AccessPoint.SubnetMask;\r | |
368 | IpCfgData.ReceiveTimeout = (UINT32) (-1);\r | |
369 | \r | |
370 | //\r | |
371 | // Configure the IP instance this Tcb consumes.\r | |
372 | //\r | |
373 | Status = IpIoConfigIp (Tcb->IpInfo, &IpCfgData);\r | |
374 | if (EFI_ERROR (Status)) {\r | |
375 | goto OnExit;\r | |
376 | }\r | |
377 | \r | |
378 | //\r | |
379 | // Get the default address info if the instance is configured to use default address.\r | |
380 | //\r | |
381 | if (CfgData->AccessPoint.UseDefaultAddress) {\r | |
382 | CfgData->AccessPoint.StationAddress = IpCfgData.StationAddress;\r | |
383 | CfgData->AccessPoint.SubnetMask = IpCfgData.SubnetMask;\r | |
384 | }\r | |
385 | \r | |
386 | //\r | |
387 | // check if we can bind this endpoint in CfgData\r | |
388 | //\r | |
389 | Status = Tcp4Bind (&(CfgData->AccessPoint));\r | |
390 | \r | |
391 | if (EFI_ERROR (Status)) {\r | |
e48e37fc | 392 | DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: Bind endpoint failed "\r |
8a67d61d | 393 | "with %r\n", Status));\r |
394 | \r | |
395 | goto OnExit;\r | |
396 | }\r | |
397 | \r | |
398 | //\r | |
399 | // Initalize the operating information in this Tcb\r | |
400 | //\r | |
401 | ASSERT (Tcb->State == TCP_CLOSED &&\r | |
e48e37fc | 402 | IsListEmpty (&Tcb->SndQue) &&\r |
403 | IsListEmpty (&Tcb->RcvQue));\r | |
8a67d61d | 404 | \r |
405 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r | |
406 | Tcb->State = TCP_CLOSED;\r | |
407 | \r | |
408 | Tcb->SndMss = 536;\r | |
409 | Tcb->RcvMss = TcpGetRcvMss (Sk);\r | |
410 | \r | |
411 | Tcb->SRtt = 0;\r | |
412 | Tcb->Rto = 3 * TCP_TICK_HZ;\r | |
413 | \r | |
414 | Tcb->CWnd = Tcb->SndMss;\r | |
415 | Tcb->Ssthresh = 0xffffffff;\r | |
416 | \r | |
417 | Tcb->CongestState = TCP_CONGEST_OPEN;\r | |
418 | \r | |
419 | Tcb->KeepAliveIdle = TCP_KEEPALIVE_IDLE_MIN;\r | |
420 | Tcb->KeepAlivePeriod = TCP_KEEPALIVE_PERIOD;\r | |
421 | Tcb->MaxKeepAlive = TCP_MAX_KEEPALIVE;\r | |
422 | Tcb->MaxRexmit = TCP_MAX_LOSS;\r | |
423 | Tcb->FinWait2Timeout = TCP_FIN_WAIT2_TIME;\r | |
424 | Tcb->TimeWaitTimeout = TCP_TIME_WAIT_TIME;\r | |
425 | Tcb->ConnectTimeout = TCP_CONNECT_TIME;\r | |
426 | \r | |
427 | //\r | |
428 | // initialize Tcb in the light of CfgData\r | |
429 | //\r | |
a78d176c | 430 | Tcb->Ttl = CfgData->TimeToLive;\r |
431 | Tcb->Tos = CfgData->TypeOfService;\r | |
8a67d61d | 432 | \r |
e5e12de7 | 433 | Tcb->UseDefaultAddr = CfgData->AccessPoint.UseDefaultAddress;\r |
434 | \r | |
e48e37fc | 435 | CopyMem (&Tcb->LocalEnd.Ip, &CfgData->AccessPoint.StationAddress, sizeof (IP4_ADDR));\r |
8a67d61d | 436 | Tcb->LocalEnd.Port = HTONS (CfgData->AccessPoint.StationPort);\r |
437 | Tcb->SubnetMask = CfgData->AccessPoint.SubnetMask;\r | |
438 | \r | |
e5e12de7 | 439 | if (CfgData->AccessPoint.ActiveFlag) {\r |
e48e37fc | 440 | CopyMem (&Tcb->RemoteEnd.Ip, &CfgData->AccessPoint.RemoteAddress, sizeof (IP4_ADDR));\r |
e5e12de7 | 441 | Tcb->RemoteEnd.Port = HTONS (CfgData->AccessPoint.RemotePort);\r |
442 | } else {\r | |
443 | Tcb->RemoteEnd.Ip = 0;\r | |
444 | Tcb->RemoteEnd.Port = 0;\r | |
445 | }\r | |
8a67d61d | 446 | \r |
447 | Option = CfgData->ControlOption;\r | |
448 | \r | |
449 | if (Option != NULL) {\r | |
450 | SET_RCV_BUFFSIZE (\r | |
451 | Sk,\r | |
4eb65aff | 452 | (UINT32) (TCP_COMP_VAL (\r |
453 | TCP_RCV_BUF_SIZE_MIN,\r | |
454 | TCP_RCV_BUF_SIZE,\r | |
455 | TCP_RCV_BUF_SIZE,\r | |
456 | Option->ReceiveBufferSize\r | |
457 | )\r | |
458 | )\r | |
8a67d61d | 459 | );\r |
460 | SET_SND_BUFFSIZE (\r | |
461 | Sk,\r | |
4eb65aff | 462 | (UINT32) (TCP_COMP_VAL (\r |
463 | TCP_SND_BUF_SIZE_MIN,\r | |
464 | TCP_SND_BUF_SIZE,\r | |
465 | TCP_SND_BUF_SIZE,\r | |
466 | Option->SendBufferSize\r | |
467 | )\r | |
468 | )\r | |
8a67d61d | 469 | );\r |
470 | \r | |
471 | SET_BACKLOG (\r | |
472 | Sk,\r | |
4eb65aff | 473 | (UINT32) (TCP_COMP_VAL (\r |
474 | TCP_BACKLOG_MIN,\r | |
475 | TCP_BACKLOG,\r | |
476 | TCP_BACKLOG,\r | |
477 | Option->MaxSynBackLog\r | |
478 | )\r | |
479 | )\r | |
8a67d61d | 480 | );\r |
481 | \r | |
482 | Tcb->MaxRexmit = (UINT16) TCP_COMP_VAL (\r | |
483 | TCP_MAX_LOSS_MIN,\r | |
484 | TCP_MAX_LOSS,\r | |
485 | TCP_MAX_LOSS,\r | |
486 | Option->DataRetries\r | |
487 | );\r | |
488 | Tcb->FinWait2Timeout = TCP_COMP_VAL (\r | |
489 | TCP_FIN_WAIT2_TIME,\r | |
490 | TCP_FIN_WAIT2_TIME_MAX,\r | |
491 | TCP_FIN_WAIT2_TIME,\r | |
4eb65aff | 492 | (UINT32) (Option->FinTimeout * TCP_TICK_HZ)\r |
8a67d61d | 493 | );\r |
494 | \r | |
495 | if (Option->TimeWaitTimeout != 0) {\r | |
496 | Tcb->TimeWaitTimeout = TCP_COMP_VAL (\r | |
497 | TCP_TIME_WAIT_TIME,\r | |
498 | TCP_TIME_WAIT_TIME_MAX,\r | |
499 | TCP_TIME_WAIT_TIME,\r | |
4eb65aff | 500 | (UINT32) (Option->TimeWaitTimeout * TCP_TICK_HZ)\r |
8a67d61d | 501 | );\r |
502 | } else {\r | |
503 | Tcb->TimeWaitTimeout = 0;\r | |
504 | }\r | |
505 | \r | |
506 | if (Option->KeepAliveProbes != 0) {\r | |
507 | TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r | |
508 | \r | |
509 | Tcb->MaxKeepAlive = (UINT8) TCP_COMP_VAL (\r | |
510 | TCP_MAX_KEEPALIVE_MIN,\r | |
511 | TCP_MAX_KEEPALIVE,\r | |
512 | TCP_MAX_KEEPALIVE,\r | |
513 | Option->KeepAliveProbes\r | |
514 | );\r | |
515 | Tcb->KeepAliveIdle = TCP_COMP_VAL (\r | |
516 | TCP_KEEPALIVE_IDLE_MIN,\r | |
517 | TCP_KEEPALIVE_IDLE_MAX,\r | |
518 | TCP_KEEPALIVE_IDLE_MIN,\r | |
4eb65aff | 519 | (UINT32) (Option->KeepAliveTime * TCP_TICK_HZ)\r |
8a67d61d | 520 | );\r |
521 | Tcb->KeepAlivePeriod = TCP_COMP_VAL (\r | |
522 | TCP_KEEPALIVE_PERIOD_MIN,\r | |
523 | TCP_KEEPALIVE_PERIOD,\r | |
524 | TCP_KEEPALIVE_PERIOD,\r | |
4eb65aff | 525 | (UINT32) (Option->KeepAliveInterval * TCP_TICK_HZ)\r |
8a67d61d | 526 | );\r |
527 | }\r | |
528 | \r | |
529 | Tcb->ConnectTimeout = TCP_COMP_VAL (\r | |
530 | TCP_CONNECT_TIME_MIN,\r | |
531 | TCP_CONNECT_TIME,\r | |
532 | TCP_CONNECT_TIME,\r | |
4eb65aff | 533 | (UINT32) (Option->ConnectionTimeout * TCP_TICK_HZ)\r |
8a67d61d | 534 | );\r |
535 | \r | |
e2851998 | 536 | if (!Option->EnableNagle) {\r |
8a67d61d | 537 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE);\r |
538 | }\r | |
539 | \r | |
e2851998 | 540 | if (!Option->EnableTimeStamp) {\r |
8a67d61d | 541 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_TS);\r |
542 | }\r | |
543 | \r | |
e2851998 | 544 | if (!Option->EnableWindowScaling) {\r |
8a67d61d | 545 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_WS);\r |
546 | }\r | |
547 | }\r | |
548 | \r | |
e5e12de7 | 549 | //\r |
550 | // The socket is bound, the <SrcIp, SrcPort, DstIp, DstPort> is\r | |
551 | // determined, construct the IP device path and install it.\r | |
552 | //\r | |
553 | Status = TcpInstallDevicePath (Sk);\r | |
554 | if (EFI_ERROR (Status)) {\r | |
555 | goto OnExit;\r | |
556 | }\r | |
557 | \r | |
8a67d61d | 558 | //\r |
559 | // update state of Tcb and socket\r | |
560 | //\r | |
e2851998 | 561 | if (!CfgData->AccessPoint.ActiveFlag) {\r |
8a67d61d | 562 | \r |
563 | TcpSetState (Tcb, TCP_LISTEN);\r | |
564 | SockSetState (Sk, SO_LISTENING);\r | |
565 | \r | |
566 | Sk->ConfigureState = SO_CONFIGURED_PASSIVE;\r | |
567 | } else {\r | |
568 | \r | |
569 | Sk->ConfigureState = SO_CONFIGURED_ACTIVE;\r | |
570 | }\r | |
571 | \r | |
572 | TcpInsertTcb (Tcb);\r | |
573 | \r | |
574 | OnExit:\r | |
575 | \r | |
576 | return Status;\r | |
577 | }\r | |
578 | \r | |
579 | \r | |
580 | /**\r | |
581 | The procotol handler provided to the socket layer, used to\r | |
582 | dispatch the socket level requests by calling the corresponding\r | |
583 | TCP layer functions.\r | |
584 | \r | |
585 | @param Sock Pointer to the socket of this TCP instance.\r | |
586 | @param Request The code of this operation request.\r | |
587 | @param Data Pointer to the operation specific data passed in\r | |
588 | together with the operation request.\r | |
589 | \r | |
590 | @retval EFI_SUCCESS The socket request is completed successfully.\r | |
591 | @retval other The error status returned by the corresponding TCP\r | |
592 | layer function.\r | |
593 | \r | |
594 | **/\r | |
595 | EFI_STATUS\r | |
596 | Tcp4Dispatcher (\r | |
597 | IN SOCKET *Sock,\r | |
f6b7393c | 598 | IN UINT8 Request,\r |
8a67d61d | 599 | IN VOID *Data OPTIONAL\r |
600 | )\r | |
601 | {\r | |
602 | TCP_CB *Tcb;\r | |
603 | TCP4_PROTO_DATA *ProtoData;\r | |
604 | EFI_IP4_PROTOCOL *Ip;\r | |
605 | \r | |
606 | ProtoData = (TCP4_PROTO_DATA *) Sock->ProtoReserved;\r | |
607 | Tcb = ProtoData->TcpPcb;\r | |
608 | \r | |
609 | switch (Request) {\r | |
610 | case SOCK_POLL:\r | |
2a2e33b2 | 611 | Ip = ProtoData->TcpService->IpIo->Ip.Ip4;\r |
8a67d61d | 612 | Ip->Poll (Ip);\r |
613 | break;\r | |
614 | \r | |
615 | case SOCK_CONSUMED:\r | |
616 | //\r | |
617 | // After user received data from socket buffer, socket will\r | |
618 | // notify TCP using this message to give it a chance to send out\r | |
619 | // window update information\r | |
620 | //\r | |
120db52c | 621 | ASSERT (Tcb != NULL);\r |
8a67d61d | 622 | TcpOnAppConsume (Tcb);\r |
623 | break;\r | |
624 | \r | |
625 | case SOCK_SND:\r | |
626 | \r | |
120db52c | 627 | ASSERT (Tcb != NULL);\r |
8a67d61d | 628 | TcpOnAppSend (Tcb);\r |
629 | break;\r | |
630 | \r | |
631 | case SOCK_CLOSE:\r | |
632 | \r | |
633 | TcpOnAppClose (Tcb);\r | |
634 | \r | |
635 | break;\r | |
636 | \r | |
637 | case SOCK_ABORT:\r | |
638 | \r | |
639 | TcpOnAppAbort (Tcb);\r | |
640 | \r | |
641 | break;\r | |
642 | \r | |
643 | case SOCK_SNDPUSH:\r | |
644 | Tcb->SndPsh = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk);\r | |
645 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_PSH);\r | |
646 | \r | |
647 | break;\r | |
648 | \r | |
649 | case SOCK_SNDURG:\r | |
650 | Tcb->SndUp = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk) - 1;\r | |
651 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_URG);\r | |
652 | \r | |
653 | break;\r | |
654 | \r | |
655 | case SOCK_CONNECT:\r | |
656 | \r | |
657 | TcpOnAppConnect (Tcb);\r | |
658 | \r | |
659 | break;\r | |
660 | \r | |
661 | case SOCK_ATTACH:\r | |
662 | \r | |
663 | return Tcp4AttachPcb (Sock);\r | |
664 | \r | |
8a67d61d | 665 | case SOCK_FLUSH:\r |
666 | \r | |
667 | Tcp4FlushPcb (Tcb);\r | |
668 | \r | |
669 | break;\r | |
670 | \r | |
671 | case SOCK_DETACH:\r | |
672 | \r | |
673 | Tcp4DetachPcb (Sock);\r | |
674 | \r | |
675 | break;\r | |
676 | \r | |
677 | case SOCK_CONFIGURE:\r | |
678 | \r | |
679 | return Tcp4ConfigurePcb (\r | |
680 | Sock,\r | |
681 | (EFI_TCP4_CONFIG_DATA *) Data\r | |
682 | );\r | |
683 | \r | |
8a67d61d | 684 | case SOCK_MODE:\r |
685 | \r | |
120db52c | 686 | ASSERT ((Data != NULL) && (Tcb != NULL));\r |
8a67d61d | 687 | \r |
688 | return Tcp4GetMode (Tcb, (TCP4_MODE_DATA *) Data);\r | |
689 | \r | |
8a67d61d | 690 | case SOCK_ROUTE:\r |
691 | \r | |
120db52c | 692 | ASSERT ((Data != NULL) && (Tcb != NULL));\r |
8a67d61d | 693 | \r |
694 | return Tcp4Route (Tcb, (TCP4_ROUTE_INFO *) Data);\r | |
695 | \r | |
b61439a7 | 696 | default:\r |
697 | return EFI_UNSUPPORTED;\r | |
8a67d61d | 698 | }\r |
699 | \r | |
700 | return EFI_SUCCESS;\r | |
701 | \r | |
702 | }\r |