diff options
Diffstat (limited to 'Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c')
| -rw-r--r-- | Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c b/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c index b4fc12c93..57b3f3a8c 100644 --- a/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c +++ b/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c @@ -381,19 +381,24 @@ int16_t TCP_ProcessTCPPacket(void* IPHeaderInStart, void* TCPHeaderInStart, void case TCP_Connection_Listen:
if (TCPHeaderIN->Flags == TCP_FLAG_SYN)
{
- /* SYN connection when closed starts a connection with a peer */
+ /* SYN connection starts a connection with a peer */
+ if (TCP_SetConnectionState(TCPHeaderIN->DestinationPort, IPHeaderIN->SourceAddress,
+ TCPHeaderIN->SourcePort, TCP_Connection_SYNReceived))
+ {
+ TCPHeaderOUT->Flags = (TCP_FLAG_SYN | TCP_FLAG_ACK);
- TCPHeaderOUT->Flags = (TCP_FLAG_SYN | TCP_FLAG_ACK);
- PacketResponse = true;
-
- TCP_SetConnectionState(TCPHeaderIN->DestinationPort, IPHeaderIN->SourceAddress, TCPHeaderIN->SourcePort,
- TCP_Connection_SYNReceived);
-
- ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, IPHeaderIN->SourceAddress, TCPHeaderIN->SourcePort);
+ ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, IPHeaderIN->SourceAddress, TCPHeaderIN->SourcePort);
- ConnectionInfo->SequenceNumberIn = (SwapEndian_32(TCPHeaderIN->SequenceNumber) + 1);
- ConnectionInfo->SequenceNumberOut = 0;
- ConnectionInfo->Buffer.InUse = false;
+ ConnectionInfo->SequenceNumberIn = (SwapEndian_32(TCPHeaderIN->SequenceNumber) + 1);
+ ConnectionInfo->SequenceNumberOut = 0;
+ ConnectionInfo->Buffer.InUse = false;
+ }
+ else
+ {
+ TCPHeaderOUT->Flags = TCP_FLAG_RST;
+ }
+
+ PacketResponse = true;
}
break;
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