/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
+ without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
*
* Header file for Ethernet.c.
*/
-
+
#ifndef _ETHERNET_H_
#define _ETHERNET_H_
#include "DHCP.h"
#include "ARP.h"
#include "IP.h"
-
+
/* Macros: */
/** Physical MAC address of the USB RNDIS network adapter. */
#define ADAPTER_MAC_ADDRESS {0x02, 0x00, 0x02, 0x00, 0x02, 0x00}
-
+
/** Physical MAC address of the virtual server on the network. */
- #define SERVER_MAC_ADDRESS {0x00, 0x01, 0x00, 0x01, 0x00, 0x01}
+ #define SERVER_MAC_ADDRESS {0x00, 0x01, 0x00, 0x01, 0x00, 0x01}
/** Physical MAC address of the network broadcast address. */
#define BROADCAST_MAC_ADDRESS {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}
-
+
/** Performs a comparison between two MAC addresses, indicating if they are identical.
- *
+ *
* \param[in] MAC1 First MAC address
* \param[in] MAC2 Second MAC address
*
/** Maximum size of an incoming or outgoing Ethernet frame in bytes. */
#define ETHERNET_FRAME_SIZE_MAX 1500
-
+
/** Minimum size of an Ethernet packet in bytes, to conform to the Ethernet V2 packet standard. */
#define ETHERNET_VER2_MINSIZE 0x0600
-
+
/** Return value for all sub protocol handling routines, indicating that no response packet has been generated. */
- #define NO_RESPONSE 0
+ #define NO_RESPONSE 0
/** Return value for all sub protocol handling routines, indicating that the packet has not yet been handled. */
#define NO_PROCESS -1
/* Type Defines: */
- /** Type define for an Ethernet frame buffer. */
+ /** Type define for an Ethernet frame buffer data and information structure. */
typedef struct
{
- uint8_t FrameData[ETHERNET_FRAME_SIZE_MAX]; /**< Ethernet frame contents */
- uint16_t FrameLength; /**< Length in bytes of the Ethernet frame stored in the buffer */
- bool FrameInBuffer; /**< Indicates if a frame is currently stored in the buffer */
+ uint8_t FrameData[ETHERNET_FRAME_SIZE_MAX]; /**< Ethernet frame contents. */
+ uint16_t FrameLength; /**< Length in bytes of the Ethernet frame stored in the buffer. */
} Ethernet_Frame_Info_t;
/** Type define for an Ethernet frame header. */
MAC_Address_t Source; /**< Physics MAC address of the packet source */
uint16_t EtherType; /**< Ethernet packet sub-protocol type, for Ethernet V2 packets */
} Ethernet_Frame_Header_t;
-
+
/* External Variables: */
extern Ethernet_Frame_Info_t FrameIN;
extern Ethernet_Frame_Info_t FrameOUT;
extern const MAC_Address_t BroadcastMACAddress;
extern const IP_Address_t BroadcastIPAddress;
extern const IP_Address_t ClientIPAddress;
-
+
/* Function Prototypes: */
void Ethernet_ProcessPacket(void);
- uint16_t Ethernet_Checksum16(void* Data, uint16_t Bytes);
-
+ uint16_t Ethernet_Checksum16(void* Data,
+ uint16_t Bytes);
+
#endif
+