diff options
Diffstat (limited to 'FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/WinPCap')
| -rw-r--r-- | FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/WinPCap/NetworkInterface.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/WinPCap/NetworkInterface.c b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/WinPCap/NetworkInterface.c index 474629e46..511b27859 100644 --- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/WinPCap/NetworkInterface.c +++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/WinPCap/NetworkInterface.c @@ -1,5 +1,5 @@ /*
-FreeRTOS+TCP V2.0.11
+FreeRTOS+TCP V2.2.1
Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ -445,6 +445,11 @@ void pcap_callback( u_char *user, const struct pcap_pkthdr *pkt_header, const u_ if( ( pkt_header->caplen <= ( ipconfigNETWORK_MTU + ipSIZE_OF_ETH_HEADER ) ) &&
( uxStreamBufferGetSpace( xRecvBuffer ) >= ( ( ( size_t ) pkt_header->caplen ) + sizeof( *pkt_header ) ) ) )
{
+ /* The received packets will be written to a C source file,
+ only if 'ipconfigUSE_DUMP_PACKETS' is defined.
+ Otherwise, there is no action. */
+ iptraceDUMP_PACKET( ( const uint8_t* ) pkt_data, ( size_t ) pkt_header->caplen, pdTRUE );
+
uxStreamBufferAdd( xRecvBuffer, 0, ( const uint8_t* ) pkt_header, sizeof( *pkt_header ) );
uxStreamBufferAdd( xRecvBuffer, 0, ( const uint8_t* ) pkt_data, ( size_t ) pkt_header->caplen );
}
@@ -489,6 +494,10 @@ const DWORD xMaxMSToWait = 1000; {
uxStreamBufferGet( xSendBuffer, 0, ( uint8_t * ) &xLength, sizeof( xLength ), pdFALSE );
uxStreamBufferGet( xSendBuffer, 0, ( uint8_t* ) ucBuffer, xLength, pdFALSE );
+ /* The packets sent will be written to a C source file,
+ only if 'ipconfigUSE_DUMP_PACKETS' is defined.
+ Otherwise, there is no action. */
+ iptraceDUMP_PACKET( ucBuffer, xLength, pdFALSE );
if( pcap_sendpacket( pxOpenedInterfaceHandle, ucBuffer, xLength ) != 0 )
{
ulWinPCAPSendFailures++;
@@ -498,6 +507,31 @@ const DWORD xMaxMSToWait = 1000; }
/*-----------------------------------------------------------*/
+static BaseType_t xPacketBouncedBack( const uint8_t *pucBuffer )
+{
+EthernetHeader_t *pxEtherHeader;
+BaseType_t xResult;
+
+ pxEtherHeader = ( EthernetHeader_t * ) pucBuffer;
+ if( memcmp( ucMACAddress, pxEtherHeader->xSourceAddress.ucBytes, ipMAC_ADDRESS_LENGTH_BYTES ) == 0 )
+ {
+ FreeRTOS_printf( ( "Bounced back: %02x:%02x:%02x:%02x:%02x:%02x\n",
+ pxEtherHeader->xSourceAddress.ucBytes[ 0 ],
+ pxEtherHeader->xSourceAddress.ucBytes[ 1 ],
+ pxEtherHeader->xSourceAddress.ucBytes[ 2 ],
+ pxEtherHeader->xSourceAddress.ucBytes[ 3 ],
+ pxEtherHeader->xSourceAddress.ucBytes[ 4 ],
+ pxEtherHeader->xSourceAddress.ucBytes[ 5 ] ) );
+ xResult = pdTRUE;
+ }
+ else
+ {
+ xResult = pdFALSE;
+ }
+ return xResult;
+}
+/*-----------------------------------------------------------*/
+
static void prvInterruptSimulatorTask( void *pvParameters )
{
struct pcap_pkthdr xHeader;
@@ -545,7 +579,14 @@ eFrameProcessingResult_t eResult; is ok to call the task level function here, but note that
some buffer implementations cannot be called from a real
interrupt. */
- pxNetworkBuffer = pxGetNetworkBufferWithDescriptor( pxHeader->len, 0 );
+ if( xPacketBouncedBack( pucPacketData ) == pdFALSE )
+ {
+ pxNetworkBuffer = pxGetNetworkBufferWithDescriptor( pxHeader->len, 0 );
+ }
+ else
+ {
+ pxNetworkBuffer = NULL;
+ }
if( pxNetworkBuffer != NULL )
{
|