Squashed 'tmk_core/' changes from caca2c0..dc0e46e

dc0e46e Rename LUFA to LUFA-git
3bfa7fa Remove LUFA-120730
215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA'
afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca
c0c42fa Remove submodule of LUFA
30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0'
87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69
14f6d49 Remove submodule of USB_Host_Shield_2.0

git-subtree-dir: tmk_core
git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c
This commit is contained in:
tmk
2015-05-13 11:13:10 +09:00
parent 4d116a04e9
commit f6d56675f9
1575 changed files with 421901 additions and 63190 deletions

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/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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
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
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* 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"
#include "Config/AppConfig.h"
/* Macros: */
/** 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.
*/
#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, \c 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 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* const FrameIN,
void* InDataStart,
void* OutDataStart);
#endif