/*
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 IP.c.
*/
-
+
#ifndef _IP_H_
#define _IP_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
-
+
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
-
+
/* Macros: */
- /** Protocol IP address of the host (client) machine, once assigned by DHCP */
+ /** Protocol IP address of the host (client) machine, once assigned by DHCP. */
#define CLIENT_IP_ADDRESS { 10, 0, 0, 1}
- /** Protocol IP address of the virtual server machine */
+ /** Protocol IP address of the virtual server machine. */
#define SERVER_IP_ADDRESS { 10, 0, 0, 2}
- /** Protocol IP address of the broadcast address */
+ /** Protocol IP address of the broadcast address. */
#define BROADCAST_IP_ADDRESS {0xFF, 0xFF, 0xFF, 0xFF}
- /** Default Time To Live (TTL) value for sent packets, indicating the maximum allowable hops until their destination is reached */
+ /** Default Time To Live (TTL) value for sent packets, indicating the maximum allowable hops until their destination
+ * is reached.
+ */
#define DEFAULT_TTL 128
-
+
/** Performs a comparison between two IP addresses, indicating if they are identical.
- *
+ *
* \param[in] IP1 First IP address
* \param[in] IP2 Second IP address
*
* \return True if the addresses match, false otherwise
*/
#define IP_COMPARE(IP1, IP2) (memcmp(IP1, IP2, sizeof(IP_Address_t)) == 0)
-
+
/* Type Defines: */
/** Type define of an IP packet header. */
typedef struct
{
- unsigned char HeaderLength : 4; /**< Total length of the packet header, in 4-byte blocks */
- unsigned char Version : 4; /**< IP protocol version */
- uint8_t TypeOfService; /**< Special service type identifier, indicating delay/throughput/reliability levels */
- uint16_t TotalLength; /**< Total length of the IP packet, in bytes */
-
- uint16_t Identification; /**< Identification value for identifying fragmented packets */
- unsigned int FragmentOffset : 13; /**< Offset of this IP fragment */
- unsigned int Flags : 3; /**< Fragment flags, to indicate if a packet is fragmented */
-
- uint8_t TTL; /**< Maximum allowable number of hops to reach the packet destination */
- uint8_t Protocol; /**< Encapsulated protocol type */
- uint16_t HeaderChecksum; /**< Ethernet checksum of the IP header */
-
- IP_Address_t SourceAddress; /**< Source protocol IP address of the packet */
- IP_Address_t DestinationAddress; /**< Destination protocol IP address of the packet */
+ unsigned HeaderLength : 4; /**< Total length of the packet header, in 4-byte blocks */
+ unsigned Version : 4; /**< IP protocol version */
+ uint8_t TypeOfService; /**< Special service type identifier, indicating delay/throughput/reliability levels */
+ uint16_t TotalLength; /**< Total length of the IP packet, in bytes */
+
+ uint16_t Identification; /**< Identification value for identifying fragmented packets */
+ unsigned FragmentOffset : 13; /**< Offset of this IP fragment */
+ unsigned Flags : 3; /**< Fragment flags, to indicate if a packet is fragmented */
+
+ uint8_t TTL; /**< Maximum allowable number of hops to reach the packet destination */
+ uint8_t Protocol; /**< Encapsulated protocol type */
+ uint16_t HeaderChecksum; /**< Ethernet checksum of the IP header */
+
+ IP_Address_t SourceAddress; /**< Source protocol IP address of the packet */
+ IP_Address_t DestinationAddress; /**< Destination protocol IP address of the packet */
} IP_Header_t;
-
+
/* Function Prototypes: */
- int16_t IP_ProcessIPPacket(Ethernet_Frame_Info_t* FrameIN, void* InDataStart, void* OutDataStart);
+ int16_t IP_ProcessIPPacket(Ethernet_Frame_Info_t* const FrameIN,
+ void* InDataStart,
+ void* OutDataStart);
#endif
+
projects / pub / USBasp.git / blobdiff