From 74298f8ca11dc8d3b0359d1d4e124d6494c3eeac Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Fri, 10 Apr 2009 01:15:42 +0200 Subject: * digital/avr/modules/usb: - imported LUFA. --- .../avr/modules/usb/lufa/Demos/RNDISEthernet/IP.h | 93 ++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 digital/avr/modules/usb/lufa/Demos/RNDISEthernet/IP.h (limited to 'digital/avr/modules/usb/lufa/Demos/RNDISEthernet/IP.h') diff --git a/digital/avr/modules/usb/lufa/Demos/RNDISEthernet/IP.h b/digital/avr/modules/usb/lufa/Demos/RNDISEthernet/IP.h new file mode 100644 index 00000000..119d219e --- /dev/null +++ b/digital/avr/modules/usb/lufa/Demos/RNDISEthernet/IP.h @@ -0,0 +1,93 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, 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 disclaim 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 + #include + + #include "EthernetProtocols.h" + #include "Ethernet.h" + #include "ProtocolDecoders.h" + + /* Macros: */ + /** 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 */ + #define SERVER_IP_ADDRESS { 10, 0, 0, 2} + + /** Protocol IP address of the broadcase 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 IP1 First IP address + * \param 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 int HeaderLength : 4; /**< Total length of the packet header, in 4-byte blocks */ + unsigned int Version : 4; /**< IP protocol version */ + unsigned int TypeOfService : 8; /**< Special service type identifier, indicating delay/throughput/reliability levels */ + unsigned int TotalLength : 16; /**< Total length of the IP packet, in bytes */ + + unsigned int Identification : 16; /**< Idenfication 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 */ + + unsigned int TTL : 8; /**< Maximum allowable number of hops to reach the packet destination */ + unsigned int Protocol : 8; /**< Encapsulated protocol type */ + unsigned int HeaderChecksum : 16; /**< 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(void* InDataStart, void* OutDataStart); + +#endif -- cgit v1.2.3