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8a67d61d | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2005 - 2006, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | Tcp4Dispatcher.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | \r | |
19 | **/\r | |
20 | \r | |
21 | #include "Tcp4Main.h"\r | |
22 | \r | |
23 | #define TCP_COMP_VAL(Min, Max, Default, Val) \\r | |
24 | ((((Val) <= (Max)) && ((Val) >= (Min))) ? (Val) : (Default))\r | |
25 | \r | |
8a67d61d | 26 | EFI_STATUS\r |
27 | Tcp4Route (\r | |
28 | IN TCP_CB *Tcb,\r | |
29 | IN TCP4_ROUTE_INFO *RouteInfo\r | |
30 | )\r | |
31 | /*++\r | |
32 | \r | |
33 | Routine Description:\r | |
34 | \r | |
35 | Add or remove a route entry in the IP route table associated\r | |
36 | with this TCP instance.\r | |
37 | \r | |
38 | Arguments:\r | |
39 | \r | |
40 | Tcb - Pointer to the TCP_CB of this TCP instance.\r | |
41 | RouteInfo - Pointer to the route info to be processed.\r | |
42 | \r | |
43 | Returns:\r | |
44 | \r | |
45 | EFI_SUCCESS - The operation completed successfully.\r | |
46 | EFI_NOT_STARTED - The driver instance has not been started.\r | |
47 | EFI_NO_MAPPING - When using the default address, configuration(DHCP,\r | |
48 | BOOTP, RARP, etc.) is not finished yet.\r | |
49 | EFI_OUT_OF_RESOURCES - Could not add the entry to the routing table.\r | |
50 | EFI_NOT_FOUND - This route is not in the routing table\r | |
51 | (when RouteInfo->DeleteRoute is TRUE).\r | |
52 | EFI_ACCESS_DENIED - The route is already defined in the routing table\r | |
53 | (when RouteInfo->DeleteRoute is FALSE).\r | |
54 | \r | |
55 | --*/\r | |
56 | {\r | |
57 | EFI_IP4_PROTOCOL *Ip;\r | |
58 | \r | |
59 | Ip = Tcb->IpInfo->Ip;\r | |
60 | \r | |
61 | ASSERT (Ip);\r | |
62 | \r | |
63 | return Ip->Routes (\r | |
64 | Ip,\r | |
65 | RouteInfo->DeleteRoute,\r | |
66 | RouteInfo->SubnetAddress,\r | |
67 | RouteInfo->SubnetMask,\r | |
68 | RouteInfo->GatewayAddress\r | |
69 | );\r | |
70 | \r | |
71 | }\r | |
72 | \r | |
73 | \r | |
74 | /**\r | |
75 | Get the operational settings of this TCP instance.\r | |
76 | \r | |
77 | @param Tcb Pointer to the TCP_CB of this TCP instance.\r | |
78 | @param Mode Pointer to the buffer to store the operational\r | |
79 | settings.\r | |
80 | \r | |
81 | @retval EFI_SUCCESS The mode data is read.\r | |
82 | @retval EFI_NOT_STARTED No configuration data is available because this\r | |
83 | instance hasn't been started.\r | |
84 | \r | |
85 | **/\r | |
8a67d61d | 86 | EFI_STATUS\r |
87 | Tcp4GetMode (\r | |
88 | IN TCP_CB *Tcb,\r | |
89 | IN TCP4_MODE_DATA *Mode\r | |
90 | )\r | |
91 | {\r | |
92 | SOCKET *Sock;\r | |
93 | EFI_TCP4_CONFIG_DATA *ConfigData;\r | |
94 | EFI_TCP4_ACCESS_POINT *AccessPoint;\r | |
95 | EFI_TCP4_OPTION *Option;\r | |
96 | EFI_IP4_PROTOCOL *Ip;\r | |
97 | \r | |
98 | Sock = Tcb->Sk;\r | |
99 | \r | |
100 | if (!SOCK_IS_CONFIGURED (Sock) && (Mode->Tcp4ConfigData != NULL)) {\r | |
101 | return EFI_NOT_STARTED;\r | |
102 | }\r | |
103 | \r | |
85511ddf | 104 | if (Mode->Tcp4State != NULL) {\r |
4eb65aff | 105 | *(Mode->Tcp4State) = (EFI_TCP4_CONNECTION_STATE) Tcb->State;\r |
8a67d61d | 106 | }\r |
107 | \r | |
85511ddf | 108 | if (Mode->Tcp4ConfigData != NULL) {\r |
8a67d61d | 109 | \r |
110 | ConfigData = Mode->Tcp4ConfigData;\r | |
111 | AccessPoint = &(ConfigData->AccessPoint);\r | |
112 | Option = ConfigData->ControlOption;\r | |
113 | \r | |
114 | ConfigData->TypeOfService = Tcb->TOS;\r | |
115 | ConfigData->TimeToLive = Tcb->TTL;\r | |
116 | \r | |
117 | AccessPoint->UseDefaultAddress = Tcb->UseDefaultAddr;\r | |
118 | \r | |
e48e37fc | 119 | CopyMem (&AccessPoint->StationAddress, &Tcb->LocalEnd.Ip, sizeof (EFI_IPv4_ADDRESS));\r |
8a67d61d | 120 | AccessPoint->SubnetMask = Tcb->SubnetMask;\r |
121 | AccessPoint->StationPort = NTOHS (Tcb->LocalEnd.Port);\r | |
122 | \r | |
e48e37fc | 123 | CopyMem (&AccessPoint->RemoteAddress, &Tcb->RemoteEnd.Ip, sizeof (EFI_IPv4_ADDRESS));\r |
8a67d61d | 124 | AccessPoint->RemotePort = NTOHS (Tcb->RemoteEnd.Port);\r |
125 | AccessPoint->ActiveFlag = (BOOLEAN) (Tcb->State != TCP_LISTEN);\r | |
126 | \r | |
127 | if (Option != NULL) {\r | |
128 | Option->ReceiveBufferSize = GET_RCV_BUFFSIZE (Tcb->Sk);\r | |
129 | Option->SendBufferSize = GET_SND_BUFFSIZE (Tcb->Sk);\r | |
130 | Option->MaxSynBackLog = GET_BACKLOG (Tcb->Sk);\r | |
131 | \r | |
132 | Option->ConnectionTimeout = Tcb->ConnectTimeout / TCP_TICK_HZ;\r | |
133 | Option->DataRetries = Tcb->MaxRexmit;\r | |
134 | Option->FinTimeout = Tcb->FinWait2Timeout / TCP_TICK_HZ;\r | |
135 | Option->TimeWaitTimeout = Tcb->TimeWaitTimeout / TCP_TICK_HZ;\r | |
136 | Option->KeepAliveProbes = Tcb->MaxKeepAlive;\r | |
137 | Option->KeepAliveTime = Tcb->KeepAliveIdle / TCP_TICK_HZ;\r | |
138 | Option->KeepAliveInterval = Tcb->KeepAlivePeriod / TCP_TICK_HZ;\r | |
139 | \r | |
4eb65aff | 140 | Option->EnableNagle = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE));\r |
141 | Option->EnableTimeStamp = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_TS));\r | |
ed66e1bc | 142 | Option->EnableWindowScaling = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_WS));\r |
8a67d61d | 143 | \r |
144 | Option->EnableSelectiveAck = FALSE;\r | |
145 | Option->EnablePathMtuDiscovery = FALSE;\r | |
146 | }\r | |
147 | }\r | |
148 | \r | |
149 | Ip = Tcb->IpInfo->Ip;\r | |
150 | ASSERT (Ip);\r | |
151 | \r | |
152 | return Ip->GetModeData (Ip, Mode->Ip4ModeData, Mode->MnpConfigData, Mode->SnpModeData);\r | |
153 | }\r | |
154 | \r | |
155 | \r | |
156 | /**\r | |
157 | If AP->StationPort isn't zero, check whether the access point\r | |
158 | is registered, else generate a random station port for this\r | |
159 | access point.\r | |
160 | \r | |
161 | @param AP Pointer to the access point.\r | |
162 | \r | |
163 | @retval EFI_SUCCESS The check is passed or the port is assigned.\r | |
164 | @retval EFI_INVALID_PARAMETER The non-zero station port is already used.\r | |
165 | @retval EFI_OUT_OF_RESOURCES No port can be allocated.\r | |
166 | \r | |
167 | **/\r | |
8a67d61d | 168 | EFI_STATUS\r |
169 | Tcp4Bind (\r | |
170 | IN EFI_TCP4_ACCESS_POINT *AP\r | |
171 | )\r | |
172 | {\r | |
173 | BOOLEAN Cycle;\r | |
174 | \r | |
175 | if (0 != AP->StationPort) {\r | |
176 | //\r | |
177 | // check if a same endpoint is bound\r | |
178 | //\r | |
179 | if (TcpFindTcbByPeer (&AP->StationAddress, AP->StationPort)) {\r | |
180 | \r | |
181 | return EFI_INVALID_PARAMETER;\r | |
182 | }\r | |
183 | } else {\r | |
184 | //\r | |
185 | // generate a random port\r | |
186 | //\r | |
187 | Cycle = FALSE;\r | |
188 | \r | |
189 | if (TCP4_PORT_USER_RESERVED == mTcp4RandomPort) {\r | |
190 | mTcp4RandomPort = TCP4_PORT_KNOWN;\r | |
191 | }\r | |
192 | \r | |
193 | mTcp4RandomPort++;\r | |
194 | \r | |
195 | while (TcpFindTcbByPeer (&AP->StationAddress, mTcp4RandomPort)) {\r | |
196 | \r | |
197 | mTcp4RandomPort++;\r | |
198 | \r | |
199 | if (mTcp4RandomPort <= TCP4_PORT_KNOWN) {\r | |
200 | \r | |
201 | if (Cycle) {\r | |
e48e37fc | 202 | DEBUG ((EFI_D_ERROR, "Tcp4Bind: no port can be allocated "\r |
8a67d61d | 203 | "for this pcb\n"));\r |
204 | \r | |
205 | return EFI_OUT_OF_RESOURCES;\r | |
206 | }\r | |
207 | \r | |
208 | mTcp4RandomPort = TCP4_PORT_KNOWN + 1;\r | |
209 | \r | |
210 | Cycle = TRUE;\r | |
211 | }\r | |
212 | \r | |
213 | }\r | |
214 | \r | |
215 | AP->StationPort = mTcp4RandomPort;\r | |
216 | }\r | |
217 | \r | |
218 | return EFI_SUCCESS;\r | |
219 | }\r | |
220 | \r | |
221 | \r | |
222 | /**\r | |
85511ddf | 223 | Flush the Tcb add its associated protocols.\r |
8a67d61d | 224 | \r |
225 | @param Tcb Pointer to the TCP_CB to be flushed.\r | |
226 | \r | |
85511ddf | 227 | None\r |
8a67d61d | 228 | \r |
85511ddf | 229 | **/\r |
8a67d61d | 230 | VOID\r |
231 | Tcp4FlushPcb (\r | |
232 | IN TCP_CB *Tcb\r | |
233 | )\r | |
234 | {\r | |
235 | SOCKET *Sock;\r | |
236 | TCP4_PROTO_DATA *TcpProto;\r | |
237 | \r | |
238 | IpIoConfigIp (Tcb->IpInfo, NULL);\r | |
239 | \r | |
240 | Sock = Tcb->Sk;\r | |
241 | TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;\r | |
242 | \r | |
243 | if (SOCK_IS_CONFIGURED (Sock)) {\r | |
e48e37fc | 244 | RemoveEntryList (&Tcb->List);\r |
8a67d61d | 245 | \r |
e5e12de7 | 246 | //\r |
247 | // Uninstall the device path protocl.\r | |
248 | //\r | |
249 | gBS->UninstallProtocolInterface (\r | |
250 | Sock->SockHandle,\r | |
251 | &gEfiDevicePathProtocolGuid,\r | |
252 | Sock->DevicePath\r | |
253 | );\r | |
e48e37fc | 254 | gBS->FreePool (Sock->DevicePath);\r |
e5e12de7 | 255 | \r |
8a67d61d | 256 | TcpSetVariableData (TcpProto->TcpService);\r |
257 | }\r | |
258 | \r | |
259 | NetbufFreeList (&Tcb->SndQue);\r | |
260 | NetbufFreeList (&Tcb->RcvQue);\r | |
261 | }\r | |
262 | \r | |
8a67d61d | 263 | EFI_STATUS\r |
264 | Tcp4AttachPcb (\r | |
265 | IN SOCKET *Sk\r | |
266 | )\r | |
267 | {\r | |
268 | TCP_CB *Tcb;\r | |
269 | TCP4_PROTO_DATA *ProtoData;\r | |
270 | IP_IO *IpIo;\r | |
271 | \r | |
e48e37fc | 272 | Tcb = AllocateZeroPool (sizeof (TCP_CB));\r |
8a67d61d | 273 | \r |
274 | if (Tcb == NULL) {\r | |
275 | \r | |
e48e37fc | 276 | DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: failed to allocate a TCB\n"));\r |
8a67d61d | 277 | \r |
278 | return EFI_OUT_OF_RESOURCES;\r | |
279 | }\r | |
280 | \r | |
281 | ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r | |
282 | IpIo = ProtoData->TcpService->IpIo;\r | |
283 | \r | |
284 | //\r | |
285 | // Create an IpInfo for this Tcb.\r | |
286 | //\r | |
287 | Tcb->IpInfo = IpIoAddIp (IpIo);\r | |
288 | if (Tcb->IpInfo == NULL) {\r | |
289 | \r | |
e48e37fc | 290 | gBS->FreePool (Tcb);\r |
8a67d61d | 291 | return EFI_OUT_OF_RESOURCES;\r |
292 | }\r | |
293 | \r | |
e48e37fc | 294 | InitializeListHead (&Tcb->List);\r |
295 | InitializeListHead (&Tcb->SndQue);\r | |
296 | InitializeListHead (&Tcb->RcvQue);\r | |
8a67d61d | 297 | \r |
298 | Tcb->State = TCP_CLOSED;\r | |
299 | Tcb->Sk = Sk;\r | |
300 | ProtoData->TcpPcb = Tcb;\r | |
301 | \r | |
302 | return EFI_SUCCESS;\r | |
303 | }\r | |
304 | \r | |
8a67d61d | 305 | VOID\r |
306 | Tcp4DetachPcb (\r | |
307 | IN SOCKET *Sk\r | |
308 | )\r | |
309 | {\r | |
310 | TCP4_PROTO_DATA *ProtoData;\r | |
311 | TCP_CB *Tcb;\r | |
312 | \r | |
313 | ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r | |
314 | Tcb = ProtoData->TcpPcb;\r | |
315 | \r | |
316 | ASSERT (Tcb != NULL);\r | |
317 | \r | |
318 | Tcp4FlushPcb (Tcb);\r | |
319 | \r | |
320 | IpIoRemoveIp (ProtoData->TcpService->IpIo, Tcb->IpInfo);\r | |
321 | \r | |
e48e37fc | 322 | gBS->FreePool (Tcb);\r |
8a67d61d | 323 | \r |
324 | ProtoData->TcpPcb = NULL;\r | |
325 | }\r | |
326 | \r | |
327 | \r | |
328 | /**\r | |
329 | Configure the Tcb using CfgData.\r | |
330 | \r | |
331 | @param Sk Pointer to the socket of this TCP instance.\r | |
8a67d61d | 332 | @param CfgData Pointer to the TCP configuration data.\r |
333 | \r | |
334 | @retval EFI_SUCCESS The operation is completed successfully.\r | |
335 | @retval EFI_INVALID_PARAMETER A same access point has been configured in\r | |
336 | another TCP instance.\r | |
337 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r | |
338 | \r | |
339 | **/\r | |
8a67d61d | 340 | EFI_STATUS\r |
341 | Tcp4ConfigurePcb (\r | |
342 | IN SOCKET *Sk,\r | |
343 | IN EFI_TCP4_CONFIG_DATA *CfgData\r | |
344 | )\r | |
345 | {\r | |
8a67d61d | 346 | EFI_IP4_CONFIG_DATA IpCfgData;\r |
347 | EFI_STATUS Status;\r | |
348 | EFI_TCP4_OPTION *Option;\r | |
349 | TCP4_PROTO_DATA *TcpProto;\r | |
350 | TCP_CB *Tcb;\r | |
351 | \r | |
352 | ASSERT (CfgData && Sk && Sk->SockHandle);\r | |
353 | \r | |
354 | TcpProto = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r | |
355 | Tcb = TcpProto->TcpPcb;\r | |
8a67d61d | 356 | \r |
357 | ASSERT (Tcb != NULL);\r | |
358 | \r | |
359 | //\r | |
360 | // Add Ip for send pkt to the peer\r | |
361 | //\r | |
687a2e5f | 362 | CopyMem (&IpCfgData, &mIpIoDefaultIpConfigData, sizeof (IpCfgData));\r |
8a67d61d | 363 | IpCfgData.DefaultProtocol = EFI_IP_PROTO_TCP;\r |
364 | IpCfgData.UseDefaultAddress = CfgData->AccessPoint.UseDefaultAddress;\r | |
365 | IpCfgData.StationAddress = CfgData->AccessPoint.StationAddress;\r | |
366 | IpCfgData.SubnetMask = CfgData->AccessPoint.SubnetMask;\r | |
367 | IpCfgData.ReceiveTimeout = (UINT32) (-1);\r | |
368 | \r | |
369 | //\r | |
370 | // Configure the IP instance this Tcb consumes.\r | |
371 | //\r | |
372 | Status = IpIoConfigIp (Tcb->IpInfo, &IpCfgData);\r | |
373 | if (EFI_ERROR (Status)) {\r | |
374 | goto OnExit;\r | |
375 | }\r | |
376 | \r | |
377 | //\r | |
378 | // Get the default address info if the instance is configured to use default address.\r | |
379 | //\r | |
380 | if (CfgData->AccessPoint.UseDefaultAddress) {\r | |
381 | CfgData->AccessPoint.StationAddress = IpCfgData.StationAddress;\r | |
382 | CfgData->AccessPoint.SubnetMask = IpCfgData.SubnetMask;\r | |
383 | }\r | |
384 | \r | |
385 | //\r | |
386 | // check if we can bind this endpoint in CfgData\r | |
387 | //\r | |
388 | Status = Tcp4Bind (&(CfgData->AccessPoint));\r | |
389 | \r | |
390 | if (EFI_ERROR (Status)) {\r | |
e48e37fc | 391 | DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: Bind endpoint failed "\r |
8a67d61d | 392 | "with %r\n", Status));\r |
393 | \r | |
394 | goto OnExit;\r | |
395 | }\r | |
396 | \r | |
397 | //\r | |
398 | // Initalize the operating information in this Tcb\r | |
399 | //\r | |
400 | ASSERT (Tcb->State == TCP_CLOSED &&\r | |
e48e37fc | 401 | IsListEmpty (&Tcb->SndQue) &&\r |
402 | IsListEmpty (&Tcb->RcvQue));\r | |
8a67d61d | 403 | \r |
404 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r | |
405 | Tcb->State = TCP_CLOSED;\r | |
406 | \r | |
407 | Tcb->SndMss = 536;\r | |
408 | Tcb->RcvMss = TcpGetRcvMss (Sk);\r | |
409 | \r | |
410 | Tcb->SRtt = 0;\r | |
411 | Tcb->Rto = 3 * TCP_TICK_HZ;\r | |
412 | \r | |
413 | Tcb->CWnd = Tcb->SndMss;\r | |
414 | Tcb->Ssthresh = 0xffffffff;\r | |
415 | \r | |
416 | Tcb->CongestState = TCP_CONGEST_OPEN;\r | |
417 | \r | |
418 | Tcb->KeepAliveIdle = TCP_KEEPALIVE_IDLE_MIN;\r | |
419 | Tcb->KeepAlivePeriod = TCP_KEEPALIVE_PERIOD;\r | |
420 | Tcb->MaxKeepAlive = TCP_MAX_KEEPALIVE;\r | |
421 | Tcb->MaxRexmit = TCP_MAX_LOSS;\r | |
422 | Tcb->FinWait2Timeout = TCP_FIN_WAIT2_TIME;\r | |
423 | Tcb->TimeWaitTimeout = TCP_TIME_WAIT_TIME;\r | |
424 | Tcb->ConnectTimeout = TCP_CONNECT_TIME;\r | |
425 | \r | |
426 | //\r | |
427 | // initialize Tcb in the light of CfgData\r | |
428 | //\r | |
429 | Tcb->TTL = CfgData->TimeToLive;\r | |
430 | Tcb->TOS = CfgData->TypeOfService;\r | |
431 | \r | |
e5e12de7 | 432 | Tcb->UseDefaultAddr = CfgData->AccessPoint.UseDefaultAddress;\r |
433 | \r | |
e48e37fc | 434 | CopyMem (&Tcb->LocalEnd.Ip, &CfgData->AccessPoint.StationAddress, sizeof (IP4_ADDR));\r |
8a67d61d | 435 | Tcb->LocalEnd.Port = HTONS (CfgData->AccessPoint.StationPort);\r |
436 | Tcb->SubnetMask = CfgData->AccessPoint.SubnetMask;\r | |
437 | \r | |
e5e12de7 | 438 | if (CfgData->AccessPoint.ActiveFlag) {\r |
e48e37fc | 439 | CopyMem (&Tcb->RemoteEnd.Ip, &CfgData->AccessPoint.RemoteAddress, sizeof (IP4_ADDR));\r |
e5e12de7 | 440 | Tcb->RemoteEnd.Port = HTONS (CfgData->AccessPoint.RemotePort);\r |
441 | } else {\r | |
442 | Tcb->RemoteEnd.Ip = 0;\r | |
443 | Tcb->RemoteEnd.Port = 0;\r | |
444 | }\r | |
8a67d61d | 445 | \r |
446 | Option = CfgData->ControlOption;\r | |
447 | \r | |
448 | if (Option != NULL) {\r | |
449 | SET_RCV_BUFFSIZE (\r | |
450 | Sk,\r | |
4eb65aff | 451 | (UINT32) (TCP_COMP_VAL (\r |
452 | TCP_RCV_BUF_SIZE_MIN,\r | |
453 | TCP_RCV_BUF_SIZE,\r | |
454 | TCP_RCV_BUF_SIZE,\r | |
455 | Option->ReceiveBufferSize\r | |
456 | )\r | |
457 | )\r | |
8a67d61d | 458 | );\r |
459 | SET_SND_BUFFSIZE (\r | |
460 | Sk,\r | |
4eb65aff | 461 | (UINT32) (TCP_COMP_VAL (\r |
462 | TCP_SND_BUF_SIZE_MIN,\r | |
463 | TCP_SND_BUF_SIZE,\r | |
464 | TCP_SND_BUF_SIZE,\r | |
465 | Option->SendBufferSize\r | |
466 | )\r | |
467 | )\r | |
8a67d61d | 468 | );\r |
469 | \r | |
470 | SET_BACKLOG (\r | |
471 | Sk,\r | |
4eb65aff | 472 | (UINT32) (TCP_COMP_VAL (\r |
473 | TCP_BACKLOG_MIN,\r | |
474 | TCP_BACKLOG,\r | |
475 | TCP_BACKLOG,\r | |
476 | Option->MaxSynBackLog\r | |
477 | )\r | |
478 | )\r | |
8a67d61d | 479 | );\r |
480 | \r | |
481 | Tcb->MaxRexmit = (UINT16) TCP_COMP_VAL (\r | |
482 | TCP_MAX_LOSS_MIN,\r | |
483 | TCP_MAX_LOSS,\r | |
484 | TCP_MAX_LOSS,\r | |
485 | Option->DataRetries\r | |
486 | );\r | |
487 | Tcb->FinWait2Timeout = TCP_COMP_VAL (\r | |
488 | TCP_FIN_WAIT2_TIME,\r | |
489 | TCP_FIN_WAIT2_TIME_MAX,\r | |
490 | TCP_FIN_WAIT2_TIME,\r | |
4eb65aff | 491 | (UINT32) (Option->FinTimeout * TCP_TICK_HZ)\r |
8a67d61d | 492 | );\r |
493 | \r | |
494 | if (Option->TimeWaitTimeout != 0) {\r | |
495 | Tcb->TimeWaitTimeout = TCP_COMP_VAL (\r | |
496 | TCP_TIME_WAIT_TIME,\r | |
497 | TCP_TIME_WAIT_TIME_MAX,\r | |
498 | TCP_TIME_WAIT_TIME,\r | |
4eb65aff | 499 | (UINT32) (Option->TimeWaitTimeout * TCP_TICK_HZ)\r |
8a67d61d | 500 | );\r |
501 | } else {\r | |
502 | Tcb->TimeWaitTimeout = 0;\r | |
503 | }\r | |
504 | \r | |
505 | if (Option->KeepAliveProbes != 0) {\r | |
506 | TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r | |
507 | \r | |
508 | Tcb->MaxKeepAlive = (UINT8) TCP_COMP_VAL (\r | |
509 | TCP_MAX_KEEPALIVE_MIN,\r | |
510 | TCP_MAX_KEEPALIVE,\r | |
511 | TCP_MAX_KEEPALIVE,\r | |
512 | Option->KeepAliveProbes\r | |
513 | );\r | |
514 | Tcb->KeepAliveIdle = TCP_COMP_VAL (\r | |
515 | TCP_KEEPALIVE_IDLE_MIN,\r | |
516 | TCP_KEEPALIVE_IDLE_MAX,\r | |
517 | TCP_KEEPALIVE_IDLE_MIN,\r | |
4eb65aff | 518 | (UINT32) (Option->KeepAliveTime * TCP_TICK_HZ)\r |
8a67d61d | 519 | );\r |
520 | Tcb->KeepAlivePeriod = TCP_COMP_VAL (\r | |
521 | TCP_KEEPALIVE_PERIOD_MIN,\r | |
522 | TCP_KEEPALIVE_PERIOD,\r | |
523 | TCP_KEEPALIVE_PERIOD,\r | |
4eb65aff | 524 | (UINT32) (Option->KeepAliveInterval * TCP_TICK_HZ)\r |
8a67d61d | 525 | );\r |
526 | }\r | |
527 | \r | |
528 | Tcb->ConnectTimeout = TCP_COMP_VAL (\r | |
529 | TCP_CONNECT_TIME_MIN,\r | |
530 | TCP_CONNECT_TIME,\r | |
531 | TCP_CONNECT_TIME,\r | |
4eb65aff | 532 | (UINT32) (Option->ConnectionTimeout * TCP_TICK_HZ)\r |
8a67d61d | 533 | );\r |
534 | \r | |
535 | if (Option->EnableNagle == FALSE) {\r | |
536 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE);\r | |
537 | }\r | |
538 | \r | |
539 | if (Option->EnableTimeStamp == FALSE) {\r | |
540 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_TS);\r | |
541 | }\r | |
542 | \r | |
543 | if (Option->EnableWindowScaling == FALSE) {\r | |
544 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_WS);\r | |
545 | }\r | |
546 | }\r | |
547 | \r | |
e5e12de7 | 548 | //\r |
549 | // The socket is bound, the <SrcIp, SrcPort, DstIp, DstPort> is\r | |
550 | // determined, construct the IP device path and install it.\r | |
551 | //\r | |
552 | Status = TcpInstallDevicePath (Sk);\r | |
553 | if (EFI_ERROR (Status)) {\r | |
554 | goto OnExit;\r | |
555 | }\r | |
556 | \r | |
8a67d61d | 557 | //\r |
558 | // update state of Tcb and socket\r | |
559 | //\r | |
560 | if (CfgData->AccessPoint.ActiveFlag == FALSE) {\r | |
561 | \r | |
562 | TcpSetState (Tcb, TCP_LISTEN);\r | |
563 | SockSetState (Sk, SO_LISTENING);\r | |
564 | \r | |
565 | Sk->ConfigureState = SO_CONFIGURED_PASSIVE;\r | |
566 | } else {\r | |
567 | \r | |
568 | Sk->ConfigureState = SO_CONFIGURED_ACTIVE;\r | |
569 | }\r | |
570 | \r | |
571 | TcpInsertTcb (Tcb);\r | |
572 | \r | |
573 | OnExit:\r | |
574 | \r | |
575 | return Status;\r | |
576 | }\r | |
577 | \r | |
578 | \r | |
579 | /**\r | |
580 | The procotol handler provided to the socket layer, used to\r | |
581 | dispatch the socket level requests by calling the corresponding\r | |
582 | TCP layer functions.\r | |
583 | \r | |
584 | @param Sock Pointer to the socket of this TCP instance.\r | |
585 | @param Request The code of this operation request.\r | |
586 | @param Data Pointer to the operation specific data passed in\r | |
587 | together with the operation request.\r | |
588 | \r | |
589 | @retval EFI_SUCCESS The socket request is completed successfully.\r | |
590 | @retval other The error status returned by the corresponding TCP\r | |
591 | layer function.\r | |
592 | \r | |
593 | **/\r | |
594 | EFI_STATUS\r | |
595 | Tcp4Dispatcher (\r | |
596 | IN SOCKET *Sock,\r | |
597 | IN SOCK_REQUEST Request,\r | |
598 | IN VOID *Data OPTIONAL\r | |
599 | )\r | |
600 | {\r | |
601 | TCP_CB *Tcb;\r | |
602 | TCP4_PROTO_DATA *ProtoData;\r | |
603 | EFI_IP4_PROTOCOL *Ip;\r | |
604 | \r | |
605 | ProtoData = (TCP4_PROTO_DATA *) Sock->ProtoReserved;\r | |
606 | Tcb = ProtoData->TcpPcb;\r | |
607 | \r | |
608 | switch (Request) {\r | |
609 | case SOCK_POLL:\r | |
610 | Ip = ProtoData->TcpService->IpIo->Ip;\r | |
611 | Ip->Poll (Ip);\r | |
612 | break;\r | |
613 | \r | |
614 | case SOCK_CONSUMED:\r | |
615 | //\r | |
616 | // After user received data from socket buffer, socket will\r | |
617 | // notify TCP using this message to give it a chance to send out\r | |
618 | // window update information\r | |
619 | //\r | |
620 | ASSERT (Tcb);\r | |
621 | TcpOnAppConsume (Tcb);\r | |
622 | break;\r | |
623 | \r | |
624 | case SOCK_SND:\r | |
625 | \r | |
626 | ASSERT (Tcb);\r | |
627 | TcpOnAppSend (Tcb);\r | |
628 | break;\r | |
629 | \r | |
630 | case SOCK_CLOSE:\r | |
631 | \r | |
632 | TcpOnAppClose (Tcb);\r | |
633 | \r | |
634 | break;\r | |
635 | \r | |
636 | case SOCK_ABORT:\r | |
637 | \r | |
638 | TcpOnAppAbort (Tcb);\r | |
639 | \r | |
640 | break;\r | |
641 | \r | |
642 | case SOCK_SNDPUSH:\r | |
643 | Tcb->SndPsh = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk);\r | |
644 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_PSH);\r | |
645 | \r | |
646 | break;\r | |
647 | \r | |
648 | case SOCK_SNDURG:\r | |
649 | Tcb->SndUp = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk) - 1;\r | |
650 | TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_URG);\r | |
651 | \r | |
652 | break;\r | |
653 | \r | |
654 | case SOCK_CONNECT:\r | |
655 | \r | |
656 | TcpOnAppConnect (Tcb);\r | |
657 | \r | |
658 | break;\r | |
659 | \r | |
660 | case SOCK_ATTACH:\r | |
661 | \r | |
662 | return Tcp4AttachPcb (Sock);\r | |
663 | \r | |
664 | break;\r | |
665 | \r | |
666 | case SOCK_FLUSH:\r | |
667 | \r | |
668 | Tcp4FlushPcb (Tcb);\r | |
669 | \r | |
670 | break;\r | |
671 | \r | |
672 | case SOCK_DETACH:\r | |
673 | \r | |
674 | Tcp4DetachPcb (Sock);\r | |
675 | \r | |
676 | break;\r | |
677 | \r | |
678 | case SOCK_CONFIGURE:\r | |
679 | \r | |
680 | return Tcp4ConfigurePcb (\r | |
681 | Sock,\r | |
682 | (EFI_TCP4_CONFIG_DATA *) Data\r | |
683 | );\r | |
684 | \r | |
685 | break;\r | |
686 | \r | |
687 | case SOCK_MODE:\r | |
688 | \r | |
689 | ASSERT (Data && Tcb);\r | |
690 | \r | |
691 | return Tcp4GetMode (Tcb, (TCP4_MODE_DATA *) Data);\r | |
692 | \r | |
693 | break;\r | |
694 | \r | |
695 | case SOCK_ROUTE:\r | |
696 | \r | |
697 | ASSERT (Data && Tcb);\r | |
698 | \r | |
699 | return Tcp4Route (Tcb, (TCP4_ROUTE_INFO *) Data);\r | |
700 | \r | |
b61439a7 | 701 | default:\r |
702 | return EFI_UNSUPPORTED;\r | |
8a67d61d | 703 | }\r |
704 | \r | |
705 | return EFI_SUCCESS;\r | |
706 | \r | |
707 | }\r |