/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
+ Copyright (C) Dean Camera, 2010.\r
\r
dean [at] fourwalledcubicle [dot] com\r
www.fourwalledcubicle.com\r
*/\r
\r
/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
+ Permission to use, copy, modify, distribute, and sell this \r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in \r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting \r
+ documentation, and that the name of the author not be used in \r
+ advertising or publicity pertaining to distribution of the \r
software without specific, written prior permission.\r
\r
The author disclaim all warranties with regard to this\r
\r
#include "Ethernet.h"\r
\r
-/* Global Variables: */\r
/** Constant for convenience when checking against or setting a MAC address to the virtual server MAC address. */\r
const MAC_Address_t ServerMACAddress = {SERVER_MAC_ADDRESS};\r
\r
*/\r
void Ethernet_ProcessPacket(Ethernet_Frame_Info_t* FrameIN, Ethernet_Frame_Info_t* FrameOUT)\r
{\r
- DecodeEthernetFrameHeader(FrameIN->FrameData);\r
+ DecodeEthernetFrameHeader(FrameIN);\r
\r
/* Cast the incoming Ethernet frame to the Ethernet header type */\r
Ethernet_Frame_Header_t* FrameINHeader = (Ethernet_Frame_Header_t*)&FrameIN->FrameData;\r
\r
/* Ensure frame is addressed to either all (broadcast) or the virtual webserver, and is a type II frame */\r
if ((MAC_COMPARE(&FrameINHeader->Destination, &ServerMACAddress) ||\r
- MAC_COMPARE(&FrameINHeader->Destination, &BroadcastMACAddress)))\r
+ MAC_COMPARE(&FrameINHeader->Destination, &BroadcastMACAddress)) &&\r
+ (SwapEndian_16(FrameIN->FrameLength) > ETHERNET_VER2_MINSIZE))\r
{\r
/* Process the packet depending on its protocol */\r
switch (SwapEndian_16(FrameINHeader->EtherType))\r
/** Calculates the appropriate ethernet checksum, consisting of the addition of the one's\r
* compliment of each word, complimented.\r
*\r
- * \param Data Pointer to the packet buffer data whose checksum must be calculated\r
- * \param Bytes Number of bytes in the data buffer to process\r
+ * \param[in] Data Pointer to the packet buffer data whose checksum must be calculated\r
+ * \param[in] Bytes Number of bytes in the data buffer to process\r
*\r
* \return A 16-bit Ethernet checksum value\r
*/\r