+/*\r
+ LUFA Library\r
+ Copyright (C) Dean Camera, 2009.\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
+\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
+ software without specific, written prior permission.\r
+\r
+ The author disclaim all warranties with regard to this\r
+ software, including all implied warranties of merchantability\r
+ and fitness. In no event shall the author be liable for any\r
+ special, indirect or consequential damages or any damages\r
+ whatsoever resulting from loss of use, data or profits, whether\r
+ in an action of contract, negligence or other tortious action,\r
+ arising out of or in connection with the use or performance of\r
+ this software.\r
+*/\r
+\r
+/** \file\r
+ *\r
+ * Header file for Ethernet.c.\r
+ */\r
+ \r
+#ifndef _ETHERNET_H_\r
+#define _ETHERNET_H_\r
+\r
+ /* Includes: */\r
+ #include <avr/io.h>\r
+ #include <string.h>\r
+\r
+ #include "EthernetProtocols.h"\r
+ #include "ProtocolDecoders.h"\r
+ #include "ICMP.h"\r
+ #include "TCP.h"\r
+ #include "UDP.h"\r
+ #include "DHCP.h"\r
+ #include "ARP.h"\r
+ #include "IP.h"\r
+ \r
+ /* Macros: */\r
+ /** Physical MAC address of the virtual server on the network */\r
+ #define SERVER_MAC_ADDRESS {0x00, 0x01, 0x00, 0x01, 0x00, 0x01} \r
+\r
+ /** Physical MAC address of the network broadcast address */\r
+ #define BROADCAST_MAC_ADDRESS {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}\r
+ \r
+ /** Performs a comparison between two MAC addresses, indicating if they are identical.\r
+ * \r
+ * \param MAC1 First MAC address\r
+ * \param MAC2 Second MAC address\r
+ *\r
+ * \return True if the addresses match, false otherwise\r
+ */\r
+ #define MAC_COMPARE(MAC1, MAC2) (memcmp(MAC1, MAC2, sizeof(MAC_Address_t)) == 0)\r
+\r
+ /** Maximum size of an incoming or outgoing Ethernet frame in bytes */\r
+ #define ETHERNET_FRAME_SIZE_MAX 1500\r
+ \r
+ /** Minimum size of an Ethernet packet in bytes, to conform to the Ethernet V2 packet standard */\r
+ #define ETHERNET_VER2_MINSIZE 0x0600\r
+ \r
+ /** Return value for all sub protocol handling routines, indicating that no response packet has been generated */\r
+ #define NO_RESPONSE 0 \r
+\r
+ /** Return value for all sub protocol handling routines, indicating that the packet has not yet been handled */\r
+ #define NO_PROCESS -1\r
+\r
+ /* Type Defines: */\r
+ /** Type define for an Ethernet frame buffer. */\r
+ typedef struct\r
+ {\r
+ uint8_t FrameData[ETHERNET_FRAME_SIZE_MAX]; /**< Ethernet frame contents */\r
+ uint16_t FrameLength; /**< Length in bytes of the Ethernet frame stored in the buffer */\r
+ bool FrameInBuffer; /**< Indicates if a frame is currently stored in the buffer */\r
+ } Ethernet_Frame_Info_t;\r
+\r
+ /** Type define for an Ethernet frame header */\r
+ typedef struct\r
+ {\r
+ MAC_Address_t Destination; /**< Physical MAC address of the packet recipient */\r
+ MAC_Address_t Source; /**< Physics MAC address of the packet source */\r
+ \r
+ union\r
+ {\r
+ uint16_t EtherType; /**< Ethernet packet subprotocol type, for Ethernet V2 packets */\r
+ uint16_t Length; /**< Ethernet frame length, for Ethernet V1 packets */\r
+ };\r
+ } Ethernet_Frame_Header_t;\r
+ \r
+ /* External Variables: */\r
+ extern Ethernet_Frame_Info_t FrameIN;\r
+ extern Ethernet_Frame_Info_t FrameOUT;\r
+\r
+ extern const MAC_Address_t ServerMACAddress;\r
+ extern const IP_Address_t ServerIPAddress;\r
+ extern const MAC_Address_t BroadcastMACAddress;\r
+ extern const IP_Address_t BroadcastIPAddress;\r
+ extern const IP_Address_t ClientIPAddress;\r
+ \r
+ /* Function Prototypes: */\r
+ void Ethernet_ProcessPacket(void);\r
+ uint16_t Ethernet_Checksum16(void* Data, uint16_t Bytes);\r
+ \r
+#endif\r