77f00155e3
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7147 6f19259b-4bc3-4df7-8a09-765794883524
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/** @file
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I/O interfaces between TCP and IpIo.
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Copyright (c) 2005 - 2006, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php<BR>
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "Tcp4Main.h"
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/**
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Packet receive callback function provided to IP_IO, used to call
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the proper function to handle the packet received by IP.
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@param Status Status of the received packet.
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@param IcmpErr ICMP error number.
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@param NetSession Pointer to the net session of this packet.
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@param Pkt Pointer to the recieved packet.
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@param Context Pointer to the context configured in IpIoOpen(), not used
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now.
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**/
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VOID
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Tcp4RxCallback (
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IN EFI_STATUS Status,
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IN ICMP_ERROR IcmpErr,
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IN EFI_NET_SESSION_DATA *NetSession,
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IN NET_BUF *Pkt,
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IN VOID *Context OPTIONAL
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)
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{
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if (EFI_SUCCESS == Status) {
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TcpInput (Pkt, NetSession->Source, NetSession->Dest);
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} else {
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TcpIcmpInput (Pkt, IcmpErr, NetSession->Source, NetSession->Dest);
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}
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}
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/**
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Send the segment to IP via IpIo function.
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@param Tcb Pointer to the TCP_CB of this TCP instance.
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@param Nbuf Pointer to the TCP segment to be sent.
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@param Src Source address of the TCP segment.
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@param Dest Destination address of the TCP segment.
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@retval 0 The segment was sent out successfully.
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@retval -1 The segment was failed to send.
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**/
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INTN
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TcpSendIpPacket (
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IN TCP_CB *Tcb,
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IN NET_BUF *Nbuf,
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IN UINT32 Src,
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IN UINT32 Dest
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)
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{
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EFI_STATUS Status;
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IP_IO *IpIo;
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IP_IO_OVERRIDE Override;
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SOCKET *Sock;
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VOID *IpSender;
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TCP4_PROTO_DATA *TcpProto;
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if (NULL == Tcb) {
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IpIo = NULL;
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IpSender = IpIoFindSender (&IpIo, Src);
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if (IpSender == NULL) {
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DEBUG ((EFI_D_WARN, "TcpSendIpPacket: No appropriate IpSender.\n"));
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return -1;
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}
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} else {
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Sock = Tcb->Sk;
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TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
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IpIo = TcpProto->TcpService->IpIo;
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IpSender = Tcb->IpInfo;
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}
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Override.TypeOfService = 0;
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Override.TimeToLive = 255;
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Override.DoNotFragment = FALSE;
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Override.Protocol = EFI_IP_PROTO_TCP;
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ZeroMem (&Override.GatewayAddress, sizeof (EFI_IPv4_ADDRESS));
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CopyMem (&Override.SourceAddress, &Src, sizeof (EFI_IPv4_ADDRESS));
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Status = IpIoSend (IpIo, Nbuf, IpSender, NULL, NULL, Dest, &Override);
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "TcpSendIpPacket: return %r error\n", Status));
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return -1;
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}
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return 0;
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}
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