+++ /dev/null
-/** @file\r
- Tcp request dispatcher implementation.\r
-\r
-(C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>\r
-Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php<BR>\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#include "Tcp4Main.h"\r
-\r
-#define TCP_COMP_VAL(Min, Max, Default, Val) \\r
- ((((Val) <= (Max)) && ((Val) >= (Min))) ? (Val) : (Default))\r
-\r
-/**\r
- Add or remove a route entry in the IP route table associated with this TCP instance.\r
-\r
- @param Tcb Pointer to the TCP_CB of this TCP instance.\r
- @param RouteInfo Pointer to the route info to be processed.\r
-\r
- @retval EFI_SUCCESS The operation completed successfully.\r
- @retval EFI_NOT_STARTED The driver instance has not been started.\r
- @retval EFI_NO_MAPPING When using the default address, configuration(DHCP,\r
- BOOTP, RARP, etc.) is not finished yet.\r
- @retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.\r
- @retval EFI_NOT_FOUND This route is not in the routing table\r
- (when RouteInfo->DeleteRoute is TRUE).\r
- @retval EFI_ACCESS_DENIED The route is already defined in the routing table\r
- (when RouteInfo->DeleteRoute is FALSE).\r
-**/\r
-EFI_STATUS\r
-Tcp4Route (\r
- IN TCP_CB *Tcb,\r
- IN TCP4_ROUTE_INFO *RouteInfo\r
- )\r
-{\r
- EFI_IP4_PROTOCOL *Ip4;\r
-\r
- Ip4 = Tcb->IpInfo->Ip.Ip4;\r
-\r
- ASSERT (Ip4 != NULL);\r
-\r
- return Ip4->Routes (\r
- Ip4,\r
- RouteInfo->DeleteRoute,\r
- RouteInfo->SubnetAddress,\r
- RouteInfo->SubnetMask,\r
- RouteInfo->GatewayAddress\r
- );\r
-\r
-}\r
-\r
-\r
-/**\r
- Get the operational settings of this TCP instance.\r
-\r
- @param Tcb Pointer to the TCP_CB of this TCP instance.\r
- @param Mode Pointer to the buffer to store the operational\r
- settings.\r
-\r
- @retval EFI_SUCCESS The mode data is read.\r
- @retval EFI_NOT_STARTED No configuration data is available because this\r
- instance hasn't been started.\r
-\r
-**/\r
-EFI_STATUS\r
-Tcp4GetMode (\r
- IN TCP_CB *Tcb,\r
- IN OUT TCP4_MODE_DATA *Mode\r
- )\r
-{\r
- SOCKET *Sock;\r
- EFI_TCP4_CONFIG_DATA *ConfigData;\r
- EFI_TCP4_ACCESS_POINT *AccessPoint;\r
- EFI_TCP4_OPTION *Option;\r
- EFI_IP4_PROTOCOL *Ip;\r
-\r
- Sock = Tcb->Sk;\r
-\r
- if (!SOCK_IS_CONFIGURED (Sock) && (Mode->Tcp4ConfigData != NULL)) {\r
- return EFI_NOT_STARTED;\r
- }\r
-\r
- if (Mode->Tcp4State != NULL) {\r
- *(Mode->Tcp4State) = (EFI_TCP4_CONNECTION_STATE) Tcb->State;\r
- }\r
-\r
- if (Mode->Tcp4ConfigData != NULL) {\r
-\r
- ConfigData = Mode->Tcp4ConfigData;\r
- AccessPoint = &(ConfigData->AccessPoint);\r
- Option = ConfigData->ControlOption;\r
-\r
- ConfigData->TypeOfService = Tcb->Tos;\r
- ConfigData->TimeToLive = Tcb->Ttl;\r
-\r
- AccessPoint->UseDefaultAddress = Tcb->UseDefaultAddr;\r
-\r
- IP4_COPY_ADDRESS (&AccessPoint->StationAddress, &Tcb->LocalEnd.Ip);\r
- IP4_COPY_ADDRESS (&AccessPoint->SubnetMask, &Tcb->SubnetMask);\r
- AccessPoint->StationPort = NTOHS (Tcb->LocalEnd.Port);\r
-\r
- IP4_COPY_ADDRESS (&AccessPoint->RemoteAddress, &Tcb->RemoteEnd.Ip);\r
- AccessPoint->RemotePort = NTOHS (Tcb->RemoteEnd.Port);\r
- AccessPoint->ActiveFlag = (BOOLEAN) (Tcb->State != TCP_LISTEN);\r
-\r
- if (Option != NULL) {\r
- Option->ReceiveBufferSize = GET_RCV_BUFFSIZE (Tcb->Sk);\r
- Option->SendBufferSize = GET_SND_BUFFSIZE (Tcb->Sk);\r
- Option->MaxSynBackLog = GET_BACKLOG (Tcb->Sk);\r
-\r
- Option->ConnectionTimeout = Tcb->ConnectTimeout / TCP_TICK_HZ;\r
- Option->DataRetries = Tcb->MaxRexmit;\r
- Option->FinTimeout = Tcb->FinWait2Timeout / TCP_TICK_HZ;\r
- Option->TimeWaitTimeout = Tcb->TimeWaitTimeout / TCP_TICK_HZ;\r
- Option->KeepAliveProbes = Tcb->MaxKeepAlive;\r
- Option->KeepAliveTime = Tcb->KeepAliveIdle / TCP_TICK_HZ;\r
- Option->KeepAliveInterval = Tcb->KeepAlivePeriod / TCP_TICK_HZ;\r
-\r
- Option->EnableNagle = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE));\r
- Option->EnableTimeStamp = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_TS));\r
- Option->EnableWindowScaling = (BOOLEAN) (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_WS));\r
-\r
- Option->EnableSelectiveAck = FALSE;\r
- Option->EnablePathMtuDiscovery = FALSE;\r
- }\r
- }\r
-\r
- Ip = Tcb->IpInfo->Ip.Ip4;\r
- ASSERT (Ip != NULL);\r
-\r
- return Ip->GetModeData (Ip, Mode->Ip4ModeData, Mode->MnpConfigData, Mode->SnpModeData);\r
-}\r
-\r
-\r
-/**\r
- If AP->StationPort isn't zero, check whether the access point\r
- is registered, else generate a random station port for this\r
- access point.\r
-\r
- @param AP Pointer to the access point.\r
-\r
- @retval EFI_SUCCESS The check is passed or the port is assigned.\r
- @retval EFI_INVALID_PARAMETER The non-zero station port is already used.\r
- @retval EFI_OUT_OF_RESOURCES No port can be allocated.\r
-\r
-**/\r
-EFI_STATUS\r
-Tcp4Bind (\r
- IN EFI_TCP4_ACCESS_POINT *AP\r
- )\r
-{\r
- BOOLEAN Cycle;\r
-\r
- if (0 != AP->StationPort) {\r
- //\r
- // check if a same endpoint is bound\r
- //\r
- if (TcpFindTcbByPeer (&AP->StationAddress, AP->StationPort)) {\r
-\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- } else {\r
- //\r
- // generate a random port\r
- //\r
- Cycle = FALSE;\r
-\r
- if (TCP4_PORT_USER_RESERVED == mTcp4RandomPort) {\r
- mTcp4RandomPort = TCP4_PORT_KNOWN;\r
- }\r
-\r
- mTcp4RandomPort++;\r
-\r
- while (TcpFindTcbByPeer (&AP->StationAddress, mTcp4RandomPort)) {\r
-\r
- mTcp4RandomPort++;\r
-\r
- if (mTcp4RandomPort <= TCP4_PORT_KNOWN) {\r
-\r
- if (Cycle) {\r
- DEBUG ((EFI_D_ERROR, "Tcp4Bind: no port can be allocated "\r
- "for this pcb\n"));\r
-\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- mTcp4RandomPort = TCP4_PORT_KNOWN + 1;\r
-\r
- Cycle = TRUE;\r
- }\r
-\r
- }\r
-\r
- AP->StationPort = mTcp4RandomPort;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
- Flush the Tcb add its associated protocols.\r
-\r
- @param Tcb Pointer to the TCP_CB to be flushed.\r
-\r
-**/\r
-VOID\r
-Tcp4FlushPcb (\r
- IN TCP_CB *Tcb\r
- )\r
-{\r
- SOCKET *Sock;\r
-\r
- IpIoConfigIp (Tcb->IpInfo, NULL);\r
-\r
- Sock = Tcb->Sk;\r
-\r
- if (SOCK_IS_CONFIGURED (Sock)) {\r
- RemoveEntryList (&Tcb->List);\r
-\r
- //\r
- // Uninstall the device path protocol.\r
- //\r
- if (Sock->DevicePath != NULL) {\r
- gBS->UninstallProtocolInterface (\r
- Sock->SockHandle,\r
- &gEfiDevicePathProtocolGuid,\r
- Sock->DevicePath\r
- );\r
- FreePool (Sock->DevicePath);\r
- }\r
- }\r
-\r
- NetbufFreeList (&Tcb->SndQue);\r
- NetbufFreeList (&Tcb->RcvQue);\r
- Tcb->State = TCP_CLOSED;\r
-}\r
-\r
-/**\r
- Attach a Pcb to the socket.\r
-\r
- @param Sk Pointer to the socket of this TCP instance.\r
-\r
- @retval EFI_SUCCESS The operation is completed successfully.\r
- @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r
-\r
-**/\r
-EFI_STATUS\r
-Tcp4AttachPcb (\r
- IN SOCKET *Sk\r
- )\r
-{\r
- TCP_CB *Tcb;\r
- TCP4_PROTO_DATA *ProtoData;\r
- IP_IO *IpIo;\r
- EFI_STATUS Status;\r
- VOID *Ip;\r
-\r
- Tcb = AllocateZeroPool (sizeof (TCP_CB));\r
-\r
- if (Tcb == NULL) {\r
-\r
- DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: failed to allocate a TCB\n"));\r
-\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r
- IpIo = ProtoData->TcpService->IpIo;\r
-\r
- //\r
- // Create an IpInfo for this Tcb.\r
- //\r
- Tcb->IpInfo = IpIoAddIp (IpIo);\r
- if (Tcb->IpInfo == NULL) {\r
-\r
- FreePool (Tcb);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- //\r
- // Open the new created IP instance BY_CHILD.\r
- //\r
- Status = gBS->OpenProtocol (\r
- Tcb->IpInfo->ChildHandle,\r
- &gEfiIp4ProtocolGuid,\r
- &Ip,\r
- IpIo->Image,\r
- Sk->SockHandle,\r
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
- );\r
- if (EFI_ERROR (Status)) {\r
- IpIoRemoveIp (IpIo, Tcb->IpInfo);\r
- return Status;\r
- }\r
-\r
- InitializeListHead (&Tcb->List);\r
- InitializeListHead (&Tcb->SndQue);\r
- InitializeListHead (&Tcb->RcvQue);\r
-\r
- Tcb->State = TCP_CLOSED;\r
- Tcb->Sk = Sk;\r
- ProtoData->TcpPcb = Tcb;\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
- Detach the Pcb of the socket.\r
-\r
- @param Sk Pointer to the socket of this TCP instance.\r
-\r
-**/\r
-VOID\r
-Tcp4DetachPcb (\r
- IN SOCKET *Sk\r
- )\r
-{\r
- TCP4_PROTO_DATA *ProtoData;\r
- TCP_CB *Tcb;\r
-\r
- ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r
- Tcb = ProtoData->TcpPcb;\r
-\r
- ASSERT (Tcb != NULL);\r
-\r
- Tcp4FlushPcb (Tcb);\r
-\r
- IpIoRemoveIp (ProtoData->TcpService->IpIo, Tcb->IpInfo);\r
-\r
- FreePool (Tcb);\r
-\r
- ProtoData->TcpPcb = NULL;\r
-}\r
-\r
-\r
-/**\r
- Configure the Pcb using CfgData.\r
-\r
- @param Sk Pointer to the socket of this TCP instance.\r
- @param CfgData Pointer to the TCP configuration data.\r
-\r
- @retval EFI_SUCCESS The operation is completed successfully.\r
- @retval EFI_INVALID_PARAMETER A same access point has been configured in\r
- another TCP instance.\r
- @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r
-\r
-**/\r
-EFI_STATUS\r
-Tcp4ConfigurePcb (\r
- IN SOCKET *Sk,\r
- IN EFI_TCP4_CONFIG_DATA *CfgData\r
- )\r
-{\r
- EFI_IP4_CONFIG_DATA IpCfgData;\r
- EFI_STATUS Status;\r
- EFI_TCP4_OPTION *Option;\r
- TCP4_PROTO_DATA *TcpProto;\r
- TCP_CB *Tcb;\r
-\r
- ASSERT ((CfgData != NULL) && (Sk != NULL) && (Sk->SockHandle != NULL));\r
-\r
- TcpProto = (TCP4_PROTO_DATA *) Sk->ProtoReserved;\r
- Tcb = TcpProto->TcpPcb;\r
-\r
- ASSERT (Tcb != NULL);\r
-\r
- //\r
- // Add Ip for send pkt to the peer\r
- //\r
- CopyMem (&IpCfgData, &mIp4IoDefaultIpConfigData, sizeof (IpCfgData));\r
- IpCfgData.DefaultProtocol = EFI_IP_PROTO_TCP;\r
- IpCfgData.UseDefaultAddress = CfgData->AccessPoint.UseDefaultAddress;\r
- IpCfgData.StationAddress = CfgData->AccessPoint.StationAddress;\r
- IpCfgData.SubnetMask = CfgData->AccessPoint.SubnetMask;\r
- IpCfgData.ReceiveTimeout = (UINT32) (-1);\r
-\r
- //\r
- // Configure the IP instance this Tcb consumes.\r
- //\r
- Status = IpIoConfigIp (Tcb->IpInfo, &IpCfgData);\r
- if (EFI_ERROR (Status)) {\r
- goto OnExit;\r
- }\r
-\r
- //\r
- // Get the default address info if the instance is configured to use default address.\r
- //\r
- if (CfgData->AccessPoint.UseDefaultAddress) {\r
- CfgData->AccessPoint.StationAddress = IpCfgData.StationAddress;\r
- CfgData->AccessPoint.SubnetMask = IpCfgData.SubnetMask;\r
- }\r
-\r
- //\r
- // check if we can bind this endpoint in CfgData\r
- //\r
- Status = Tcp4Bind (&(CfgData->AccessPoint));\r
-\r
- if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: Bind endpoint failed "\r
- "with %r\n", Status));\r
-\r
- goto OnExit;\r
- }\r
-\r
- //\r
- // Initalize the operating information in this Tcb\r
- //\r
- ASSERT (Tcb->State == TCP_CLOSED &&\r
- IsListEmpty (&Tcb->SndQue) &&\r
- IsListEmpty (&Tcb->RcvQue));\r
-\r
- TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r
- Tcb->State = TCP_CLOSED;\r
-\r
- Tcb->SndMss = 536;\r
- Tcb->RcvMss = TcpGetRcvMss (Sk);\r
-\r
- Tcb->SRtt = 0;\r
- Tcb->Rto = 3 * TCP_TICK_HZ;\r
-\r
- Tcb->CWnd = Tcb->SndMss;\r
- Tcb->Ssthresh = 0xffffffff;\r
-\r
- Tcb->CongestState = TCP_CONGEST_OPEN;\r
-\r
- Tcb->KeepAliveIdle = TCP_KEEPALIVE_IDLE_MIN;\r
- Tcb->KeepAlivePeriod = TCP_KEEPALIVE_PERIOD;\r
- Tcb->MaxKeepAlive = TCP_MAX_KEEPALIVE;\r
- Tcb->MaxRexmit = TCP_MAX_LOSS;\r
- Tcb->FinWait2Timeout = TCP_FIN_WAIT2_TIME;\r
- Tcb->TimeWaitTimeout = TCP_TIME_WAIT_TIME;\r
- Tcb->ConnectTimeout = TCP_CONNECT_TIME;\r
-\r
- //\r
- // initialize Tcb in the light of CfgData\r
- //\r
- Tcb->Ttl = CfgData->TimeToLive;\r
- Tcb->Tos = CfgData->TypeOfService;\r
-\r
- Tcb->UseDefaultAddr = CfgData->AccessPoint.UseDefaultAddress;\r
-\r
- CopyMem (&Tcb->LocalEnd.Ip, &CfgData->AccessPoint.StationAddress, sizeof (IP4_ADDR));\r
- Tcb->LocalEnd.Port = HTONS (CfgData->AccessPoint.StationPort);\r
- IP4_COPY_ADDRESS (&Tcb->SubnetMask, &CfgData->AccessPoint.SubnetMask);\r
-\r
- if (CfgData->AccessPoint.ActiveFlag) {\r
- CopyMem (&Tcb->RemoteEnd.Ip, &CfgData->AccessPoint.RemoteAddress, sizeof (IP4_ADDR));\r
- Tcb->RemoteEnd.Port = HTONS (CfgData->AccessPoint.RemotePort);\r
- } else {\r
- Tcb->RemoteEnd.Ip = 0;\r
- Tcb->RemoteEnd.Port = 0;\r
- }\r
-\r
- Option = CfgData->ControlOption;\r
-\r
- if (Option != NULL) {\r
- SET_RCV_BUFFSIZE (\r
- Sk,\r
- (UINT32) (TCP_COMP_VAL (\r
- TCP_RCV_BUF_SIZE_MIN,\r
- TCP_RCV_BUF_SIZE,\r
- TCP_RCV_BUF_SIZE,\r
- Option->ReceiveBufferSize\r
- )\r
- )\r
- );\r
- SET_SND_BUFFSIZE (\r
- Sk,\r
- (UINT32) (TCP_COMP_VAL (\r
- TCP_SND_BUF_SIZE_MIN,\r
- TCP_SND_BUF_SIZE,\r
- TCP_SND_BUF_SIZE,\r
- Option->SendBufferSize\r
- )\r
- )\r
- );\r
-\r
- SET_BACKLOG (\r
- Sk,\r
- (UINT32) (TCP_COMP_VAL (\r
- TCP_BACKLOG_MIN,\r
- TCP_BACKLOG,\r
- TCP_BACKLOG,\r
- Option->MaxSynBackLog\r
- )\r
- )\r
- );\r
-\r
- Tcb->MaxRexmit = (UINT16) TCP_COMP_VAL (\r
- TCP_MAX_LOSS_MIN,\r
- TCP_MAX_LOSS,\r
- TCP_MAX_LOSS,\r
- Option->DataRetries\r
- );\r
- Tcb->FinWait2Timeout = TCP_COMP_VAL (\r
- TCP_FIN_WAIT2_TIME,\r
- TCP_FIN_WAIT2_TIME_MAX,\r
- TCP_FIN_WAIT2_TIME,\r
- (UINT32) (Option->FinTimeout * TCP_TICK_HZ)\r
- );\r
-\r
- if (Option->TimeWaitTimeout != 0) {\r
- Tcb->TimeWaitTimeout = TCP_COMP_VAL (\r
- TCP_TIME_WAIT_TIME,\r
- TCP_TIME_WAIT_TIME_MAX,\r
- TCP_TIME_WAIT_TIME,\r
- (UINT32) (Option->TimeWaitTimeout * TCP_TICK_HZ)\r
- );\r
- } else {\r
- Tcb->TimeWaitTimeout = 0;\r
- }\r
-\r
- if (Option->KeepAliveProbes != 0) {\r
- TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);\r
-\r
- Tcb->MaxKeepAlive = (UINT8) TCP_COMP_VAL (\r
- TCP_MAX_KEEPALIVE_MIN,\r
- TCP_MAX_KEEPALIVE,\r
- TCP_MAX_KEEPALIVE,\r
- Option->KeepAliveProbes\r
- );\r
- Tcb->KeepAliveIdle = TCP_COMP_VAL (\r
- TCP_KEEPALIVE_IDLE_MIN,\r
- TCP_KEEPALIVE_IDLE_MAX,\r
- TCP_KEEPALIVE_IDLE_MIN,\r
- (UINT32) (Option->KeepAliveTime * TCP_TICK_HZ)\r
- );\r
- Tcb->KeepAlivePeriod = TCP_COMP_VAL (\r
- TCP_KEEPALIVE_PERIOD_MIN,\r
- TCP_KEEPALIVE_PERIOD,\r
- TCP_KEEPALIVE_PERIOD,\r
- (UINT32) (Option->KeepAliveInterval * TCP_TICK_HZ)\r
- );\r
- }\r
-\r
- Tcb->ConnectTimeout = TCP_COMP_VAL (\r
- TCP_CONNECT_TIME_MIN,\r
- TCP_CONNECT_TIME,\r
- TCP_CONNECT_TIME,\r
- (UINT32) (Option->ConnectionTimeout * TCP_TICK_HZ)\r
- );\r
-\r
- if (!Option->EnableNagle) {\r
- TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE);\r
- }\r
-\r
- if (!Option->EnableTimeStamp) {\r
- TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_TS);\r
- }\r
-\r
- if (!Option->EnableWindowScaling) {\r
- TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_WS);\r
- }\r
- }\r
-\r
- //\r
- // The socket is bound, the <SrcIp, SrcPort, DstIp, DstPort> is\r
- // determined, construct the IP device path and install it.\r
- //\r
- Status = TcpInstallDevicePath (Sk);\r
- if (EFI_ERROR (Status)) {\r
- goto OnExit;\r
- }\r
-\r
- //\r
- // update state of Tcb and socket\r
- //\r
- if (!CfgData->AccessPoint.ActiveFlag) {\r
-\r
- TcpSetState (Tcb, TCP_LISTEN);\r
- SockSetState (Sk, SO_LISTENING);\r
-\r
- Sk->ConfigureState = SO_CONFIGURED_PASSIVE;\r
- } else {\r
-\r
- Sk->ConfigureState = SO_CONFIGURED_ACTIVE;\r
- }\r
-\r
- TcpInsertTcb (Tcb);\r
-\r
-OnExit:\r
-\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- The procotol handler provided to the socket layer, used to\r
- dispatch the socket level requests by calling the corresponding\r
- TCP layer functions.\r
-\r
- @param Sock Pointer to the socket of this TCP instance.\r
- @param Request The code of this operation request.\r
- @param Data Pointer to the operation specific data passed in\r
- together with the operation request.\r
-\r
- @retval EFI_SUCCESS The socket request is completed successfully.\r
- @retval other The error status returned by the corresponding TCP\r
- layer function.\r
-\r
-**/\r
-EFI_STATUS\r
-Tcp4Dispatcher (\r
- IN SOCKET *Sock,\r
- IN UINT8 Request,\r
- IN VOID *Data OPTIONAL\r
- )\r
-{\r
- TCP_CB *Tcb;\r
- TCP4_PROTO_DATA *ProtoData;\r
- EFI_IP4_PROTOCOL *Ip;\r
-\r
- ProtoData = (TCP4_PROTO_DATA *) Sock->ProtoReserved;\r
- Tcb = ProtoData->TcpPcb;\r
-\r
- switch (Request) {\r
- case SOCK_POLL:\r
- Ip = ProtoData->TcpService->IpIo->Ip.Ip4;\r
- Ip->Poll (Ip);\r
- break;\r
-\r
- case SOCK_CONSUMED:\r
- //\r
- // After user received data from socket buffer, socket will\r
- // notify TCP using this message to give it a chance to send out\r
- // window update information\r
- //\r
- ASSERT (Tcb != NULL);\r
- TcpOnAppConsume (Tcb);\r
- break;\r
-\r
- case SOCK_SND:\r
-\r
- ASSERT (Tcb != NULL);\r
- TcpOnAppSend (Tcb);\r
- break;\r
-\r
- case SOCK_CLOSE:\r
-\r
- TcpOnAppClose (Tcb);\r
-\r
- break;\r
-\r
- case SOCK_ABORT:\r
-\r
- TcpOnAppAbort (Tcb);\r
-\r
- break;\r
-\r
- case SOCK_SNDPUSH:\r
- Tcb->SndPsh = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk);\r
- TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_PSH);\r
-\r
- break;\r
-\r
- case SOCK_SNDURG:\r
- Tcb->SndUp = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk) - 1;\r
- TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_URG);\r
-\r
- break;\r
-\r
- case SOCK_CONNECT:\r
-\r
- TcpOnAppConnect (Tcb);\r
-\r
- break;\r
-\r
- case SOCK_ATTACH:\r
-\r
- return Tcp4AttachPcb (Sock);\r
-\r
- case SOCK_FLUSH:\r
-\r
- Tcp4FlushPcb (Tcb);\r
-\r
- break;\r
-\r
- case SOCK_DETACH:\r
-\r
- Tcp4DetachPcb (Sock);\r
-\r
- break;\r
-\r
- case SOCK_CONFIGURE:\r
-\r
- return Tcp4ConfigurePcb (\r
- Sock,\r
- (EFI_TCP4_CONFIG_DATA *) Data\r
- );\r
-\r
- case SOCK_MODE:\r
-\r
- ASSERT ((Data != NULL) && (Tcb != NULL));\r
-\r
- return Tcp4GetMode (Tcb, (TCP4_MODE_DATA *) Data);\r
-\r
- case SOCK_ROUTE:\r
-\r
- ASSERT ((Data != NULL) && (Tcb != NULL));\r
-\r
- return Tcp4Route (Tcb, (TCP4_ROUTE_INFO *) Data);\r
-\r
- default:\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-\r
-}\r
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