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| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-24 08:06:37 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-24 08:06:37 +0000 |
| commit | 8a67d61da4d5a8f08a656cbeea2d902d0ad9042a (patch) | |
| tree | 6618049196a9f4a206b8d6e42fb8b67a71558503 /MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c | |
| parent | f9bef4b3ac2bf3bd5f79313f772519800761f104 (diff) | |
| download | edk2-8a67d61da4d5a8f08a656cbeea2d902d0ad9042a.tar.gz edk2-8a67d61da4d5a8f08a656cbeea2d902d0ad9042a.tar.bz2 edk2-8a67d61da4d5a8f08a656cbeea2d902d0ad9042a.zip | |
Import SnpDxe, Tcp4Dxe, Udp4Dxe and MnpDxe.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3416 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c')
| -rw-r--r-- | MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c new file mode 100644 index 0000000000..2f7a49fcb8 --- /dev/null +++ b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c @@ -0,0 +1,117 @@ +/** @file
+
+Copyright (c) 2005 - 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ Tcp4Io.c
+
+Abstract:
+
+ I/O interfaces between TCP and IpIo.
+
+
+**/
+
+
+#include "Tcp4Main.h"
+
+
+/**
+ Packet receive callback function provided to IP_IO, used to call
+ the proper function to handle the packet received by IP.
+
+ @param Status Status of the received packet.
+ @param IcmpErr ICMP error number.
+ @param NetSession Pointer to the net session of this packet.
+ @param Pkt Pointer to the recieved packet.
+ @param Context Pointer to the context configured in IpIoOpen(), not used
+ now.
+
+ @return None
+
+**/
+VOID
+Tcp4RxCallback (
+ IN EFI_STATUS Status,
+ IN ICMP_ERROR IcmpErr,
+ IN EFI_NET_SESSION_DATA *NetSession,
+ IN NET_BUF *Pkt,
+ IN VOID *Context OPTIONAL
+ )
+{
+ if (EFI_SUCCESS == Status) {
+ TcpInput (Pkt, NetSession->Source, NetSession->Dest);
+ } else {
+ TcpIcmpInput (Pkt, IcmpErr, NetSession->Source, NetSession->Dest);
+ }
+}
+
+
+/**
+ Send the segment to IP via IpIo function.
+
+ @param Tcb Pointer to the TCP_CB of this TCP instance.
+ @param Nbuf Pointer to the TCP segment to be sent.
+ @param Src Source address of the TCP segment.
+ @param Dest Destination address of the TCP segment.
+
+ @retval 0 The segment was sent out successfully.
+ @retval -1 The segment was failed to send.
+
+**/
+INTN
+TcpSendIpPacket (
+ IN TCP_CB *Tcb,
+ IN NET_BUF *Nbuf,
+ IN UINT32 Src,
+ IN UINT32 Dest
+ )
+{
+ EFI_STATUS Status;
+ IP_IO *IpIo;
+ IP_IO_OVERRIDE Override;
+ SOCKET *Sock;
+ VOID *IpSender;
+ TCP4_PROTO_DATA *TcpProto;
+
+ if (NULL == Tcb) {
+
+ IpIo = NULL;
+ IpSender = IpIoFindSender (&IpIo, Src);
+
+ if (IpSender == NULL) {
+ TCP4_DEBUG_WARN (("TcpSendIpPacket: No appropriate IpSender.\n"));
+ return -1;
+ }
+ } else {
+
+ Sock = Tcb->Sk;
+ TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
+ IpIo = TcpProto->TcpService->IpIo;
+ IpSender = Tcb->IpInfo;
+ }
+
+ Override.TypeOfService = 0;
+ Override.TimeToLive = 255;
+ Override.DoNotFragment = FALSE;
+ Override.Protocol = EFI_IP_PROTO_TCP;
+ EFI_IP4 (Override.GatewayAddress) = 0;
+ EFI_IP4 (Override.SourceAddress) = Src;
+
+ Status = IpIoSend (IpIo, Nbuf, IpSender, NULL, NULL, Dest, &Override);
+
+ if (EFI_ERROR (Status)) {
+ TCP4_DEBUG_ERROR (("TcpSendIpPacket: return %r error\n", Status));
+ return -1;
+ }
+
+ return 0;
+}
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