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Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.

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This commit is contained in:
Dean Camera 2010-05-08 03:12:14 +00:00
parent e331b531c6
commit 071e02c6b6
839 changed files with 274562 additions and 274562 deletions
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170
Demos/Device/LowLevel/RNDISEthernet/Lib/ARP.c
View file

@ -1,85 +1,85 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Address Resolution Protocol (ARP) packet handling routines. This protocol handles the
* conversion of physical MAC addresses to protocol IP addresses between the host and the
* device.
*/
#include "ARP.h"
/** Processes an ARP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if the host is requesting the IP or MAC address of the
* virtual server device on the network.
*
* \param[in] InDataStart Pointer to the start of the incoming packet's ARP header
* \param[out] OutDataStart Pointer to the start of the outgoing packet's ARP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
*/
int16_t ARP_ProcessARPPacket(void* InDataStart, void* OutDataStart)
{
DecodeARPHeader(InDataStart);
ARP_Header_t* ARPHeaderIN = (ARP_Header_t*)InDataStart;
ARP_Header_t* ARPHeaderOUT = (ARP_Header_t*)OutDataStart;
/* Ensure that the ARP request is a IPv4 request packet */
if ((SwapEndian_16(ARPHeaderIN->ProtocolType) == ETHERTYPE_IPV4) &&
(SwapEndian_16(ARPHeaderIN->Operation) == ARP_OPERATION_REQUEST))
{
/* If the ARP packet is requesting the MAC or IP of the virtual webserver, return the response */
if (IP_COMPARE(&ARPHeaderIN->TPA, &ServerIPAddress) ||
MAC_COMPARE(&ARPHeaderIN->THA, &ServerMACAddress))
{
/* Fill out the ARP response header */
ARPHeaderOUT->HardwareType = ARPHeaderIN->HardwareType;
ARPHeaderOUT->ProtocolType = ARPHeaderIN->ProtocolType;
ARPHeaderOUT->HLEN = ARPHeaderIN->HLEN;
ARPHeaderOUT->PLEN = ARPHeaderIN->PLEN;
ARPHeaderOUT->Operation = SwapEndian_16(ARP_OPERATION_REPLY);
/* Copy over the sender MAC/IP to the target fields for the response */
ARPHeaderOUT->THA = ARPHeaderIN->SHA;
ARPHeaderOUT->TPA = ARPHeaderIN->SPA;
/* Copy over the new sender MAC/IP - MAC and IP addresses of the virtual webserver */
ARPHeaderOUT->SHA = ServerMACAddress;
ARPHeaderOUT->SPA = ServerIPAddress;
/* Return the size of the response so far */
return sizeof(ARP_Header_t);
}
}
return NO_RESPONSE;
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Address Resolution Protocol (ARP) packet handling routines. This protocol handles the
* conversion of physical MAC addresses to protocol IP addresses between the host and the
* device.
*/
#include "ARP.h"
/** Processes an ARP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if the host is requesting the IP or MAC address of the
* virtual server device on the network.
*
* \param[in] InDataStart Pointer to the start of the incoming packet's ARP header
* \param[out] OutDataStart Pointer to the start of the outgoing packet's ARP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
*/
int16_t ARP_ProcessARPPacket(void* InDataStart, void* OutDataStart)
{
DecodeARPHeader(InDataStart);
ARP_Header_t* ARPHeaderIN = (ARP_Header_t*)InDataStart;
ARP_Header_t* ARPHeaderOUT = (ARP_Header_t*)OutDataStart;
/* Ensure that the ARP request is a IPv4 request packet */
if ((SwapEndian_16(ARPHeaderIN->ProtocolType) == ETHERTYPE_IPV4) &&
(SwapEndian_16(ARPHeaderIN->Operation) == ARP_OPERATION_REQUEST))
{
/* If the ARP packet is requesting the MAC or IP of the virtual webserver, return the response */
if (IP_COMPARE(&ARPHeaderIN->TPA, &ServerIPAddress) ||
MAC_COMPARE(&ARPHeaderIN->THA, &ServerMACAddress))
{
/* Fill out the ARP response header */
ARPHeaderOUT->HardwareType = ARPHeaderIN->HardwareType;
ARPHeaderOUT->ProtocolType = ARPHeaderIN->ProtocolType;
ARPHeaderOUT->HLEN = ARPHeaderIN->HLEN;
ARPHeaderOUT->PLEN = ARPHeaderIN->PLEN;
ARPHeaderOUT->Operation = SwapEndian_16(ARP_OPERATION_REPLY);
/* Copy over the sender MAC/IP to the target fields for the response */
ARPHeaderOUT->THA = ARPHeaderIN->SHA;
ARPHeaderOUT->TPA = ARPHeaderIN->SPA;
/* Copy over the new sender MAC/IP - MAC and IP addresses of the virtual webserver */
ARPHeaderOUT->SHA = ServerMACAddress;
ARPHeaderOUT->SPA = ServerIPAddress;
/* Return the size of the response so far */
return sizeof(ARP_Header_t);
}
}
return NO_RESPONSE;
}

148
Demos/Device/LowLevel/RNDISEthernet/Lib/ARP.h
View file

@ -1,74 +1,74 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 ARP.c.
*/
#ifndef _ARP_H_
#define _ARP_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
/* Macros: */
/** ARP header operation constant, indicating a request from a host for an address translation */
#define ARP_OPERATION_REQUEST 1
/** ARP header operation constant, indicating a reply from a host giving an address translation */
#define ARP_OPERATION_REPLY 2
/* Type Defines: */
/** Type define for an ARP packet inside an Ethernet frame. */
typedef struct
{
uint16_t HardwareType; /**< Hardware type constant, indicating the hardware used */
uint16_t ProtocolType; /**< Protocol being resolved, usually ETHERTYPE_IPV4 */
uint8_t HLEN; /**< Length in bytes of the source/destination hardware addresses */
uint8_t PLEN; /**< Length in bytes of the source/destination protocol addresses */
uint16_t Operation; /**< Type of operation, either ARP_OPERATION_REQUEST or ARP_OPERATION_REPLY */
MAC_Address_t SHA; /**< Sender's hardware address */
IP_Address_t SPA; /**< Sender's protocol address */
MAC_Address_t THA; /**< Target's hardware address */
IP_Address_t TPA; /**< Target's protocol address */
} ARP_Header_t;
/* Function Prototypes: */
int16_t ARP_ProcessARPPacket(void* InDataStart, void* OutDataStart);
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 ARP.c.
*/
#ifndef _ARP_H_
#define _ARP_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
/* Macros: */
/** ARP header operation constant, indicating a request from a host for an address translation */
#define ARP_OPERATION_REQUEST 1
/** ARP header operation constant, indicating a reply from a host giving an address translation */
#define ARP_OPERATION_REPLY 2
/* Type Defines: */
/** Type define for an ARP packet inside an Ethernet frame. */
typedef struct
{
uint16_t HardwareType; /**< Hardware type constant, indicating the hardware used */
uint16_t ProtocolType; /**< Protocol being resolved, usually ETHERTYPE_IPV4 */
uint8_t HLEN; /**< Length in bytes of the source/destination hardware addresses */
uint8_t PLEN; /**< Length in bytes of the source/destination protocol addresses */
uint16_t Operation; /**< Type of operation, either ARP_OPERATION_REQUEST or ARP_OPERATION_REPLY */
MAC_Address_t SHA; /**< Sender's hardware address */
IP_Address_t SPA; /**< Sender's protocol address */
MAC_Address_t THA; /**< Target's hardware address */
IP_Address_t TPA; /**< Target's protocol address */
} ARP_Header_t;
/* Function Prototypes: */
int16_t ARP_ProcessARPPacket(void* InDataStart, void* OutDataStart);
#endif

236
Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c
View file

@ -1,118 +1,118 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Dynamic Host Configuration Protocol (DHCP) packet handling routines. This protocol
* handles the automatic IP negotiation to the host, so that the host will use the provided
* IP address given to it by the device.
*/
#include "DHCP.h"
/** Processes a DHCP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if the host is requesting or accepting an IP address.
*
* \param[in] IPHeaderInStart Pointer to the start of the incoming packet's IP header
* \param[in] DHCPHeaderInStart Pointer to the start of the incoming packet's DHCP header
* \param[out] DHCPHeaderOutStart Pointer to the start of the outgoing packet's DHCP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
*/
int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart, void* DHCPHeaderInStart, void* DHCPHeaderOutStart)
{
IP_Header_t* IPHeaderIN = (IP_Header_t*)IPHeaderInStart;
DHCP_Header_t* DHCPHeaderIN = (DHCP_Header_t*)DHCPHeaderInStart;
DHCP_Header_t* DHCPHeaderOUT = (DHCP_Header_t*)DHCPHeaderOutStart;
uint8_t* DHCPOptionsINStart = (uint8_t*)(DHCPHeaderInStart + sizeof(DHCP_Header_t));
uint8_t* DHCPOptionsOUTStart = (uint8_t*)(DHCPHeaderOutStart + sizeof(DHCP_Header_t));
DecodeDHCPHeader(DHCPHeaderInStart);
/* Zero out the response DHCP packet, as much of it legacy and left at 0 */
memset(DHCPHeaderOUT, 0, sizeof(DHCP_Header_t));
/* Fill out the response DHCP packet */
DHCPHeaderOUT->HardwareType = DHCPHeaderIN->HardwareType;
DHCPHeaderOUT->Operation = DHCP_OP_BOOTREPLY;
DHCPHeaderOUT->HardwareAddressLength = DHCPHeaderIN->HardwareAddressLength;
DHCPHeaderOUT->Hops = 0;
DHCPHeaderOUT->TransactionID = DHCPHeaderIN->TransactionID;
DHCPHeaderOUT->ElapsedSeconds = 0;
DHCPHeaderOUT->Flags = DHCPHeaderIN->Flags;
DHCPHeaderOUT->YourIP = ClientIPAddress;
memcpy(&DHCPHeaderOUT->ClientHardwareAddress, &DHCPHeaderIN->ClientHardwareAddress, sizeof(MAC_Address_t));
DHCPHeaderOUT->Cookie = SwapEndian_32(DHCP_MAGIC_COOKIE);
/* Alter the incoming IP packet header so that the corrected IP source and destinations are used - this means that
when the response IP header is generated, it will use the corrected addresses and not the null/broatcast addresses */
IPHeaderIN->SourceAddress = ClientIPAddress;
IPHeaderIN->DestinationAddress = ServerIPAddress;
/* Process the incoming DHCP packet options */
while (DHCPOptionsINStart[0] != DHCP_OPTION_END)
{
/* Find the Message Type DHCP option, to determine the type of DHCP packet */
if (DHCPOptionsINStart[0] == DHCP_OPTION_MESSAGETYPE)
{
if ((DHCPOptionsINStart[2] == DHCP_MESSAGETYPE_DISCOVER) || (DHCPOptionsINStart[2] == DHCP_MESSAGETYPE_REQUEST))
{
/* Fill out the response DHCP packet options for a DHCP OFFER or ACK response */
*(DHCPOptionsOUTStart++) = DHCP_OPTION_MESSAGETYPE;
*(DHCPOptionsOUTStart++) = 1;
*(DHCPOptionsOUTStart++) = (DHCPOptionsINStart[2] == DHCP_MESSAGETYPE_DISCOVER) ? DHCP_MESSAGETYPE_OFFER
: DHCP_MESSAGETYPE_ACK;
*(DHCPOptionsOUTStart++) = DHCP_OPTION_SUBNETMASK;
*(DHCPOptionsOUTStart++) = 4;
*(DHCPOptionsOUTStart++) = 0xFF;
*(DHCPOptionsOUTStart++) = 0xFF;
*(DHCPOptionsOUTStart++) = 0xFF;
*(DHCPOptionsOUTStart++) = 0x00;
*(DHCPOptionsOUTStart++) = DHCP_OPTION_DHCPSERVER;
*(DHCPOptionsOUTStart++) = sizeof(IP_Address_t);
memcpy(DHCPOptionsOUTStart, &ServerIPAddress, sizeof(IP_Address_t));
DHCPOptionsOUTStart += sizeof(IP_Address_t);
*(DHCPOptionsOUTStart++) = DHCP_OPTION_END;
return (sizeof(DHCP_Header_t) + 12 + sizeof(IP_Address_t));
}
}
/* Go to the next DHCP option - skip one byte if option is a padding byte, else skip the complete option's size */
DHCPOptionsINStart += ((DHCPOptionsINStart[0] == DHCP_OPTION_PAD) ? 1 : (DHCPOptionsINStart[1] + 2));
}
return NO_RESPONSE;
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Dynamic Host Configuration Protocol (DHCP) packet handling routines. This protocol
* handles the automatic IP negotiation to the host, so that the host will use the provided
* IP address given to it by the device.
*/
#include "DHCP.h"
/** Processes a DHCP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if the host is requesting or accepting an IP address.
*
* \param[in] IPHeaderInStart Pointer to the start of the incoming packet's IP header
* \param[in] DHCPHeaderInStart Pointer to the start of the incoming packet's DHCP header
* \param[out] DHCPHeaderOutStart Pointer to the start of the outgoing packet's DHCP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
*/
int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart, void* DHCPHeaderInStart, void* DHCPHeaderOutStart)
{
IP_Header_t* IPHeaderIN = (IP_Header_t*)IPHeaderInStart;
DHCP_Header_t* DHCPHeaderIN = (DHCP_Header_t*)DHCPHeaderInStart;
DHCP_Header_t* DHCPHeaderOUT = (DHCP_Header_t*)DHCPHeaderOutStart;
uint8_t* DHCPOptionsINStart = (uint8_t*)(DHCPHeaderInStart + sizeof(DHCP_Header_t));
uint8_t* DHCPOptionsOUTStart = (uint8_t*)(DHCPHeaderOutStart + sizeof(DHCP_Header_t));
DecodeDHCPHeader(DHCPHeaderInStart);
/* Zero out the response DHCP packet, as much of it legacy and left at 0 */
memset(DHCPHeaderOUT, 0, sizeof(DHCP_Header_t));
/* Fill out the response DHCP packet */
DHCPHeaderOUT->HardwareType = DHCPHeaderIN->HardwareType;
DHCPHeaderOUT->Operation = DHCP_OP_BOOTREPLY;
DHCPHeaderOUT->HardwareAddressLength = DHCPHeaderIN->HardwareAddressLength;
DHCPHeaderOUT->Hops = 0;
DHCPHeaderOUT->TransactionID = DHCPHeaderIN->TransactionID;
DHCPHeaderOUT->ElapsedSeconds = 0;
DHCPHeaderOUT->Flags = DHCPHeaderIN->Flags;
DHCPHeaderOUT->YourIP = ClientIPAddress;
memcpy(&DHCPHeaderOUT->ClientHardwareAddress, &DHCPHeaderIN->ClientHardwareAddress, sizeof(MAC_Address_t));
DHCPHeaderOUT->Cookie = SwapEndian_32(DHCP_MAGIC_COOKIE);
/* Alter the incoming IP packet header so that the corrected IP source and destinations are used - this means that
when the response IP header is generated, it will use the corrected addresses and not the null/broatcast addresses */
IPHeaderIN->SourceAddress = ClientIPAddress;
IPHeaderIN->DestinationAddress = ServerIPAddress;
/* Process the incoming DHCP packet options */
while (DHCPOptionsINStart[0] != DHCP_OPTION_END)
{
/* Find the Message Type DHCP option, to determine the type of DHCP packet */
if (DHCPOptionsINStart[0] == DHCP_OPTION_MESSAGETYPE)
{
if ((DHCPOptionsINStart[2] == DHCP_MESSAGETYPE_DISCOVER) || (DHCPOptionsINStart[2] == DHCP_MESSAGETYPE_REQUEST))
{
/* Fill out the response DHCP packet options for a DHCP OFFER or ACK response */
*(DHCPOptionsOUTStart++) = DHCP_OPTION_MESSAGETYPE;
*(DHCPOptionsOUTStart++) = 1;
*(DHCPOptionsOUTStart++) = (DHCPOptionsINStart[2] == DHCP_MESSAGETYPE_DISCOVER) ? DHCP_MESSAGETYPE_OFFER
: DHCP_MESSAGETYPE_ACK;
*(DHCPOptionsOUTStart++) = DHCP_OPTION_SUBNETMASK;
*(DHCPOptionsOUTStart++) = 4;
*(DHCPOptionsOUTStart++) = 0xFF;
*(DHCPOptionsOUTStart++) = 0xFF;
*(DHCPOptionsOUTStart++) = 0xFF;
*(DHCPOptionsOUTStart++) = 0x00;
*(DHCPOptionsOUTStart++) = DHCP_OPTION_DHCPSERVER;
*(DHCPOptionsOUTStart++) = sizeof(IP_Address_t);
memcpy(DHCPOptionsOUTStart, &ServerIPAddress, sizeof(IP_Address_t));
DHCPOptionsOUTStart += sizeof(IP_Address_t);
*(DHCPOptionsOUTStart++) = DHCP_OPTION_END;
return (sizeof(DHCP_Header_t) + 12 + sizeof(IP_Address_t));
}
}
/* Go to the next DHCP option - skip one byte if option is a padding byte, else skip the complete option's size */
DHCPOptionsINStart += ((DHCPOptionsINStart[0] == DHCP_OPTION_PAD) ? 1 : (DHCPOptionsINStart[1] + 2));
}
return NO_RESPONSE;
}

250
Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h
View file

@ -1,125 +1,125 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 DHCP.c.
*/
#ifndef _DHCP_H_
#define _DHCP_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
/* Macros: */
/** DHCP operation constant, indicating a request from a host to a DHCP server */
#define DHCP_OP_BOOTREQUEST 0x01
/** DHCP operation constant, indicating a reply from a DHCP server to a host */
#define DHCP_OP_BOOTREPLY 0x02
/** Hardware type constant, indicating Ethernet as a carrier */
#define DHCP_HTYPE_ETHERNET 0x01
/** Magic boot protocol "cookie", inserted into all BOOTP packets (BOOTP is the carrier of DHCP) */
#define DHCP_MAGIC_COOKIE 0x63825363
/** DHCP option list entry header, indicating that a subnet mask will follow */
#define DHCP_OPTION_SUBNETMASK 1
/** DHCP option list entry header, indicating that the DHCP message type constant will follow */
#define DHCP_OPTION_MESSAGETYPE 53
/** DHCP option list entry header, indicating that the IP address of the DHCP server will follow */
#define DHCP_OPTION_DHCPSERVER 54
/** DHCP option list entry header, used to pad out option data */
#define DHCP_OPTION_PAD 0
/** DHCP option list entry header, indicating the end of option data */
#define DHCP_OPTION_END 255
/** Message type constant, used in the DHCP option data field, requesting that a DHCP server offer an IP address */
#define DHCP_MESSAGETYPE_DISCOVER 1
/** Message type constant, used in the DHCP option data field, indicating that a DHCP server is offering an IP address */
#define DHCP_MESSAGETYPE_OFFER 2
/** Message type constant, used in the DHCP option data field, requesting that a DHCP server lease a given IP address */
#define DHCP_MESSAGETYPE_REQUEST 3
/** Message type constant, used in the DHCP option data field, declining an offered DHCP server IP address lease */
#define DHCP_MESSAGETYPE_DECLINE 4
/** Message type constant, used in the DHCP option data field, ACKing a host IP lease request */
#define DHCP_MESSAGETYPE_ACK 5
/** Message type constant, used in the DHCP option data field, NACKing a host IP lease request */
#define DHCP_MESSAGETYPE_NACK 6
/** Message type constant, used in the DHCP option data field, indicating that a host is releasing a leased IP address */
#define DHCP_MESSAGETYPE_RELEASE 7
/* Type Defines: */
/** Type define for a DHCP packet inside an Ethernet frame. */
typedef struct
{
uint8_t Operation; /**< DHCP operation, either DHCP_OP_BOOTREQUEST or DHCP_OP_BOOTREPLY */
uint8_t HardwareType; /**< Hardware carrier type constant */
uint8_t HardwareAddressLength; /**< Length in bytes of a hardware (MAC) address on the network */
uint8_t Hops; /**< Number of hops required to reach the server, unused */
uint32_t TransactionID; /**< Unique ID of the DHCP packet, for positive matching between sent and received packets */
uint16_t ElapsedSeconds; /**< Elapsed seconds since the request was made */
uint16_t Flags; /**< BOOTP packet flags */
IP_Address_t ClientIP; /**< Client IP address, if already leased an IP */
IP_Address_t YourIP; /**< Client IP address */
IP_Address_t NextServerIP; /**< Legacy BOOTP protocol field, unused for DHCP */
IP_Address_t RelayAgentIP; /**< Legacy BOOTP protocol field, unused for DHCP */
uint8_t ClientHardwareAddress[16]; /**< Hardware (MAC) address of the client making a request to the DHCP server */
uint8_t ServerHostnameString[64]; /**< Legacy BOOTP protocol field, unused for DHCP */
uint8_t BootFileName[128]; /**< Legacy BOOTP protocol field, unused for DHCP */
uint32_t Cookie; /**< Magic BOOTP protocol cookie to indicate a valid packet */
} DHCP_Header_t;
/* Function Prototypes: */
int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart, void* DHCPHeaderInStart, void* DHCPHeaderOutStart);
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 DHCP.c.
*/
#ifndef _DHCP_H_
#define _DHCP_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
/* Macros: */
/** DHCP operation constant, indicating a request from a host to a DHCP server */
#define DHCP_OP_BOOTREQUEST 0x01
/** DHCP operation constant, indicating a reply from a DHCP server to a host */
#define DHCP_OP_BOOTREPLY 0x02
/** Hardware type constant, indicating Ethernet as a carrier */
#define DHCP_HTYPE_ETHERNET 0x01
/** Magic boot protocol "cookie", inserted into all BOOTP packets (BOOTP is the carrier of DHCP) */
#define DHCP_MAGIC_COOKIE 0x63825363
/** DHCP option list entry header, indicating that a subnet mask will follow */
#define DHCP_OPTION_SUBNETMASK 1
/** DHCP option list entry header, indicating that the DHCP message type constant will follow */
#define DHCP_OPTION_MESSAGETYPE 53
/** DHCP option list entry header, indicating that the IP address of the DHCP server will follow */
#define DHCP_OPTION_DHCPSERVER 54
/** DHCP option list entry header, used to pad out option data */
#define DHCP_OPTION_PAD 0
/** DHCP option list entry header, indicating the end of option data */
#define DHCP_OPTION_END 255
/** Message type constant, used in the DHCP option data field, requesting that a DHCP server offer an IP address */
#define DHCP_MESSAGETYPE_DISCOVER 1
/** Message type constant, used in the DHCP option data field, indicating that a DHCP server is offering an IP address */
#define DHCP_MESSAGETYPE_OFFER 2
/** Message type constant, used in the DHCP option data field, requesting that a DHCP server lease a given IP address */
#define DHCP_MESSAGETYPE_REQUEST 3
/** Message type constant, used in the DHCP option data field, declining an offered DHCP server IP address lease */
#define DHCP_MESSAGETYPE_DECLINE 4
/** Message type constant, used in the DHCP option data field, ACKing a host IP lease request */
#define DHCP_MESSAGETYPE_ACK 5
/** Message type constant, used in the DHCP option data field, NACKing a host IP lease request */
#define DHCP_MESSAGETYPE_NACK 6
/** Message type constant, used in the DHCP option data field, indicating that a host is releasing a leased IP address */
#define DHCP_MESSAGETYPE_RELEASE 7
/* Type Defines: */
/** Type define for a DHCP packet inside an Ethernet frame. */
typedef struct
{
uint8_t Operation; /**< DHCP operation, either DHCP_OP_BOOTREQUEST or DHCP_OP_BOOTREPLY */
uint8_t HardwareType; /**< Hardware carrier type constant */
uint8_t HardwareAddressLength; /**< Length in bytes of a hardware (MAC) address on the network */
uint8_t Hops; /**< Number of hops required to reach the server, unused */
uint32_t TransactionID; /**< Unique ID of the DHCP packet, for positive matching between sent and received packets */
uint16_t ElapsedSeconds; /**< Elapsed seconds since the request was made */
uint16_t Flags; /**< BOOTP packet flags */
IP_Address_t ClientIP; /**< Client IP address, if already leased an IP */
IP_Address_t YourIP; /**< Client IP address */
IP_Address_t NextServerIP; /**< Legacy BOOTP protocol field, unused for DHCP */
IP_Address_t RelayAgentIP; /**< Legacy BOOTP protocol field, unused for DHCP */
uint8_t ClientHardwareAddress[16]; /**< Hardware (MAC) address of the client making a request to the DHCP server */
uint8_t ServerHostnameString[64]; /**< Legacy BOOTP protocol field, unused for DHCP */
uint8_t BootFileName[128]; /**< Legacy BOOTP protocol field, unused for DHCP */
uint32_t Cookie; /**< Magic BOOTP protocol cookie to indicate a valid packet */
} DHCP_Header_t;
/* Function Prototypes: */
int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart, void* DHCPHeaderInStart, void* DHCPHeaderOutStart);
#endif

270
Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.c
View file

@ -1,135 +1,135 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Ethernet frame packet handling routines. This protocol handles the processing of raw Ethernet
* frames sent and received, deferring the processing of sub-packet protocols to the appropriate
* protocol handlers, such as DHCP or ARP.
*/
#include "Ethernet.h"
/** Ethernet Frame buffer structure, to hold the incoming Ethernet frame from the host. */
Ethernet_Frame_Info_t FrameIN;
/** Ethernet Frame buffer structure, to hold the outgoing Ethernet frame to the host. */
Ethernet_Frame_Info_t FrameOUT;
/** Constant for convenience when checking against or setting a MAC address to the virtual server MAC address. */
const MAC_Address_t ServerMACAddress = {SERVER_MAC_ADDRESS};
/** Constant for convenience when checking against or setting an IP address to the virtual server IP address. */
const IP_Address_t ServerIPAddress = {SERVER_IP_ADDRESS};
/** Constant for convenience when checking against or setting a MAC address to the broadcast MAC address. */
const MAC_Address_t BroadcastMACAddress = {BROADCAST_MAC_ADDRESS};
/** Constant for convenience when checking against or setting a IP address to the broadcast IP address. */
const IP_Address_t BroadcastIPAddress = {BROADCAST_IP_ADDRESS};
/** Constant for convenience when checking against or setting an IP address to the client (host) IP address. */
const IP_Address_t ClientIPAddress = {CLIENT_IP_ADDRESS};
/** Processes an incoming Ethernet frame, and writes the appropriate response to the output Ethernet
* frame buffer if the sub protocol handlers create a valid response.
*/
void Ethernet_ProcessPacket(void)
{
DecodeEthernetFrameHeader(FrameIN.FrameData);
/* Cast the incoming Ethernet frame to the Ethernet header type */
Ethernet_Frame_Header_t* FrameINHeader = (Ethernet_Frame_Header_t*)&FrameIN.FrameData;
Ethernet_Frame_Header_t* FrameOUTHeader = (Ethernet_Frame_Header_t*)&FrameOUT.FrameData;
int16_t RetSize = NO_RESPONSE;
/* Ensure frame is addressed to either all (broadcast) or the virtual webserver, and is a type II frame */
if ((MAC_COMPARE(&FrameINHeader->Destination, &ServerMACAddress) ||
MAC_COMPARE(&FrameINHeader->Destination, &BroadcastMACAddress)) &&
(SwapEndian_16(FrameIN.FrameLength) > ETHERNET_VER2_MINSIZE))
{
/* Process the packet depending on its protocol */
switch (SwapEndian_16(FrameINHeader->EtherType))
{
case ETHERTYPE_ARP:
RetSize = ARP_ProcessARPPacket(&FrameIN.FrameData[sizeof(Ethernet_Frame_Header_t)],
&FrameOUT.FrameData[sizeof(Ethernet_Frame_Header_t)]);
break;
case ETHERTYPE_IPV4:
RetSize = IP_ProcessIPPacket(&FrameIN.FrameData[sizeof(Ethernet_Frame_Header_t)],
&FrameOUT.FrameData[sizeof(Ethernet_Frame_Header_t)]);
break;
}
/* Protocol processing routine has filled a response, complete the ethernet frame header */
if (RetSize > 0)
{
/* Fill out the response Ethernet frame header */
FrameOUTHeader->Source = ServerMACAddress;
FrameOUTHeader->Destination = FrameINHeader->Source;
FrameOUTHeader->EtherType = FrameINHeader->EtherType;
/* Set the response length in the buffer and indicate that a response is ready to be sent */
FrameOUT.FrameLength = (sizeof(Ethernet_Frame_Header_t) + RetSize);
FrameOUT.FrameInBuffer = true;
}
}
/* Check if the packet was processed */
if (RetSize != NO_PROCESS)
{
/* Clear the frame buffer */
FrameIN.FrameInBuffer = false;
}
}
/** Calculates the appropriate ethernet checksum, consisting of the addition of the one's
* compliment of each word, complimented.
*
* \param[in] Data Pointer to the packet buffer data whose checksum must be calculated
* \param[in] Bytes Number of bytes in the data buffer to process
*
* \return A 16-bit Ethernet checksum value
*/
uint16_t Ethernet_Checksum16(void* Data, uint16_t Bytes)
{
uint16_t* Words = (uint16_t*)Data;
uint32_t Checksum = 0;
for (uint8_t CurrWord = 0; CurrWord < (Bytes >> 1); CurrWord++)
Checksum += Words[CurrWord];
while (Checksum & 0xFFFF0000)
Checksum = ((Checksum & 0xFFFF) + (Checksum >> 16));
return ~Checksum;
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Ethernet frame packet handling routines. This protocol handles the processing of raw Ethernet
* frames sent and received, deferring the processing of sub-packet protocols to the appropriate
* protocol handlers, such as DHCP or ARP.
*/
#include "Ethernet.h"
/** Ethernet Frame buffer structure, to hold the incoming Ethernet frame from the host. */
Ethernet_Frame_Info_t FrameIN;
/** Ethernet Frame buffer structure, to hold the outgoing Ethernet frame to the host. */
Ethernet_Frame_Info_t FrameOUT;
/** Constant for convenience when checking against or setting a MAC address to the virtual server MAC address. */
const MAC_Address_t ServerMACAddress = {SERVER_MAC_ADDRESS};
/** Constant for convenience when checking against or setting an IP address to the virtual server IP address. */
const IP_Address_t ServerIPAddress = {SERVER_IP_ADDRESS};
/** Constant for convenience when checking against or setting a MAC address to the broadcast MAC address. */
const MAC_Address_t BroadcastMACAddress = {BROADCAST_MAC_ADDRESS};
/** Constant for convenience when checking against or setting a IP address to the broadcast IP address. */
const IP_Address_t BroadcastIPAddress = {BROADCAST_IP_ADDRESS};
/** Constant for convenience when checking against or setting an IP address to the client (host) IP address. */
const IP_Address_t ClientIPAddress = {CLIENT_IP_ADDRESS};
/** Processes an incoming Ethernet frame, and writes the appropriate response to the output Ethernet
* frame buffer if the sub protocol handlers create a valid response.
*/
void Ethernet_ProcessPacket(void)
{
DecodeEthernetFrameHeader(FrameIN.FrameData);
/* Cast the incoming Ethernet frame to the Ethernet header type */
Ethernet_Frame_Header_t* FrameINHeader = (Ethernet_Frame_Header_t*)&FrameIN.FrameData;
Ethernet_Frame_Header_t* FrameOUTHeader = (Ethernet_Frame_Header_t*)&FrameOUT.FrameData;
int16_t RetSize = NO_RESPONSE;
/* Ensure frame is addressed to either all (broadcast) or the virtual webserver, and is a type II frame */
if ((MAC_COMPARE(&FrameINHeader->Destination, &ServerMACAddress) ||
MAC_COMPARE(&FrameINHeader->Destination, &BroadcastMACAddress)) &&
(SwapEndian_16(FrameIN.FrameLength) > ETHERNET_VER2_MINSIZE))
{
/* Process the packet depending on its protocol */
switch (SwapEndian_16(FrameINHeader->EtherType))
{
case ETHERTYPE_ARP:
RetSize = ARP_ProcessARPPacket(&FrameIN.FrameData[sizeof(Ethernet_Frame_Header_t)],
&FrameOUT.FrameData[sizeof(Ethernet_Frame_Header_t)]);
break;
case ETHERTYPE_IPV4:
RetSize = IP_ProcessIPPacket(&FrameIN.FrameData[sizeof(Ethernet_Frame_Header_t)],
&FrameOUT.FrameData[sizeof(Ethernet_Frame_Header_t)]);
break;
}
/* Protocol processing routine has filled a response, complete the ethernet frame header */
if (RetSize > 0)
{
/* Fill out the response Ethernet frame header */
FrameOUTHeader->Source = ServerMACAddress;
FrameOUTHeader->Destination = FrameINHeader->Source;
FrameOUTHeader->EtherType = FrameINHeader->EtherType;
/* Set the response length in the buffer and indicate that a response is ready to be sent */
FrameOUT.FrameLength = (sizeof(Ethernet_Frame_Header_t) + RetSize);
FrameOUT.FrameInBuffer = true;
}
}
/* Check if the packet was processed */
if (RetSize != NO_PROCESS)
{
/* Clear the frame buffer */
FrameIN.FrameInBuffer = false;
}
}
/** Calculates the appropriate ethernet checksum, consisting of the addition of the one's
* compliment of each word, complimented.
*
* \param[in] Data Pointer to the packet buffer data whose checksum must be calculated
* \param[in] Bytes Number of bytes in the data buffer to process
*
* \return A 16-bit Ethernet checksum value
*/
uint16_t Ethernet_Checksum16(void* Data, uint16_t Bytes)
{
uint16_t* Words = (uint16_t*)Data;
uint32_t Checksum = 0;
for (uint8_t CurrWord = 0; CurrWord < (Bytes >> 1); CurrWord++)
Checksum += Words[CurrWord];
while (Checksum & 0xFFFF0000)
Checksum = ((Checksum & 0xFFFF) + (Checksum >> 16));
return ~Checksum;
}

238
Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.h
View file

@ -1,119 +1,119 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 Ethernet.c.
*/
#ifndef _ETHERNET_H_
#define _ETHERNET_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
#include "EthernetProtocols.h"
#include "ProtocolDecoders.h"
#include "ICMP.h"
#include "TCP.h"
#include "UDP.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}
/** 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
*
* \return True if the addresses match, false otherwise
*/
#define MAC_COMPARE(MAC1, MAC2) (memcmp(MAC1, MAC2, sizeof(MAC_Address_t)) == 0)
/** 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
/** 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. */
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 */
} Ethernet_Frame_Info_t;
/** Type define for an Ethernet frame header */
typedef struct
{
MAC_Address_t Destination; /**< Physical MAC address of the packet recipient */
MAC_Address_t Source; /**< Physics MAC address of the packet source */
union
{
uint16_t EtherType; /**< Ethernet packet sub-protocol type, for Ethernet V2 packets */
uint16_t Length; /**< Ethernet frame length, for Ethernet V1 packets */
};
} Ethernet_Frame_Header_t;
/* External Variables: */
extern Ethernet_Frame_Info_t FrameIN;
extern Ethernet_Frame_Info_t FrameOUT;
extern const MAC_Address_t ServerMACAddress;
extern const IP_Address_t ServerIPAddress;
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);
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 Ethernet.c.
*/
#ifndef _ETHERNET_H_
#define _ETHERNET_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
#include "EthernetProtocols.h"
#include "ProtocolDecoders.h"
#include "ICMP.h"
#include "TCP.h"
#include "UDP.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}
/** 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
*
* \return True if the addresses match, false otherwise
*/
#define MAC_COMPARE(MAC1, MAC2) (memcmp(MAC1, MAC2, sizeof(MAC_Address_t)) == 0)
/** 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
/** 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. */
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 */
} Ethernet_Frame_Info_t;
/** Type define for an Ethernet frame header */
typedef struct
{
MAC_Address_t Destination; /**< Physical MAC address of the packet recipient */
MAC_Address_t Source; /**< Physics MAC address of the packet source */
union
{
uint16_t EtherType; /**< Ethernet packet sub-protocol type, for Ethernet V2 packets */
uint16_t Length; /**< Ethernet frame length, for Ethernet V1 packets */
};
} Ethernet_Frame_Header_t;
/* External Variables: */
extern Ethernet_Frame_Info_t FrameIN;
extern Ethernet_Frame_Info_t FrameOUT;
extern const MAC_Address_t ServerMACAddress;
extern const IP_Address_t ServerIPAddress;
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);
#endif

174
Demos/Device/LowLevel/RNDISEthernet/Lib/EthernetProtocols.h
View file

@ -1,87 +1,87 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* General Ethernet protocol constants and type defines, for use by
* all network protocol portions of the TCP/IP stack.
*/
#ifndef _ETHERNET_PROTOCOLS_H_
#define _ETHERNET_PROTOCOLS_H_
/* Macros: */
#define ETHERTYPE_IPV4 0x0800
#define ETHERTYPE_ARP 0x0806
#define ETHERTYPE_RARP 0x8035
#define ETHERTYPE_APPLETALK 0x809b
#define ETHERTYPE_APPLETALKARP 0x80f3
#define ETHERTYPE_IEEE8021Q 0x8100
#define ETHERTYPE_NOVELLIPX 0x8137
#define ETHERTYPE_NOVELL 0x8138
#define ETHERTYPE_IPV6 0x86DD
#define ETHERTYPE_COBRANET 0x8819
#define ETHERTYPE_PROVIDERBRIDGING 0x88a8
#define ETHERTYPE_MPLSUNICAST 0x8847
#define ETHERTYPE_MPLSMULTICAST 0x8848
#define ETHERTYPE_PPPoEDISCOVERY 0x8863
#define ETHERTYPE_PPPoESESSION 0x8864
#define ETHERTYPE_EAPOVERLAN 0x888E
#define ETHERTYPE_HYPERSCSI 0x889A
#define ETHERTYPE_ATAOVERETHERNET 0x88A2
#define ETHERTYPE_ETHERCAT 0x88A4
#define ETHERTYPE_SERCOSIII 0x88CD
#define ETHERTYPE_CESoE 0x88D8
#define ETHERTYPE_MACSECURITY 0x88E5
#define ETHERTYPE_FIBRECHANNEL 0x8906
#define ETHERTYPE_QINQ 0x9100
#define ETHERTYPE_VLLT 0xCAFE
#define PROTOCOL_ICMP 1
#define PROTOCOL_IGMP 2
#define PROTOCOL_TCP 6
#define PROTOCOL_UDP 17
#define PROTOCOL_OSPF 89
#define PROTOCOL_SCTP 132
/* Type Defines: */
/** Type define for a physical MAC address of a device on a network */
typedef struct
{
uint8_t Octets[6]; /**< Individual bytes of a MAC address */
} MAC_Address_t;
/** Type define for a protocol IP address of a device on a network */
typedef struct
{
uint8_t Octets[4]; /**< Individual bytes of an IP address */
} IP_Address_t;
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* General Ethernet protocol constants and type defines, for use by
* all network protocol portions of the TCP/IP stack.
*/
#ifndef _ETHERNET_PROTOCOLS_H_
#define _ETHERNET_PROTOCOLS_H_
/* Macros: */
#define ETHERTYPE_IPV4 0x0800
#define ETHERTYPE_ARP 0x0806
#define ETHERTYPE_RARP 0x8035
#define ETHERTYPE_APPLETALK 0x809b
#define ETHERTYPE_APPLETALKARP 0x80f3
#define ETHERTYPE_IEEE8021Q 0x8100
#define ETHERTYPE_NOVELLIPX 0x8137
#define ETHERTYPE_NOVELL 0x8138
#define ETHERTYPE_IPV6 0x86DD
#define ETHERTYPE_COBRANET 0x8819
#define ETHERTYPE_PROVIDERBRIDGING 0x88a8
#define ETHERTYPE_MPLSUNICAST 0x8847
#define ETHERTYPE_MPLSMULTICAST 0x8848
#define ETHERTYPE_PPPoEDISCOVERY 0x8863
#define ETHERTYPE_PPPoESESSION 0x8864
#define ETHERTYPE_EAPOVERLAN 0x888E
#define ETHERTYPE_HYPERSCSI 0x889A
#define ETHERTYPE_ATAOVERETHERNET 0x88A2
#define ETHERTYPE_ETHERCAT 0x88A4
#define ETHERTYPE_SERCOSIII 0x88CD
#define ETHERTYPE_CESoE 0x88D8
#define ETHERTYPE_MACSECURITY 0x88E5
#define ETHERTYPE_FIBRECHANNEL 0x8906
#define ETHERTYPE_QINQ 0x9100
#define ETHERTYPE_VLLT 0xCAFE
#define PROTOCOL_ICMP 1
#define PROTOCOL_IGMP 2
#define PROTOCOL_TCP 6
#define PROTOCOL_UDP 17
#define PROTOCOL_OSPF 89
#define PROTOCOL_SCTP 132
/* Type Defines: */
/** Type define for a physical MAC address of a device on a network */
typedef struct
{
uint8_t Octets[6]; /**< Individual bytes of a MAC address */
} MAC_Address_t;
/** Type define for a protocol IP address of a device on a network */
typedef struct
{
uint8_t Octets[4]; /**< Individual bytes of an IP address */
} IP_Address_t;
#endif

158
Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.c
View file

@ -1,79 +1,79 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Internet Control Message Protocol (ICMP) packet handling routines. This protocol handles
* Echo requests from the host, to indicate a successful network connection between the host
* and the virtual server.
*/
#include "ICMP.h"
/** Processes an ICMP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if the host is issuing a ICMP ECHO request.
*
* \param[in] InDataStart Pointer to the start of the incoming packet's ICMP header
* \param[out] OutDataStart Pointer to the start of the outgoing packet's ICMP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
*/
int16_t ICMP_ProcessICMPPacket(void* InDataStart, void* OutDataStart)
{
ICMP_Header_t* ICMPHeaderIN = (ICMP_Header_t*)InDataStart;
ICMP_Header_t* ICMPHeaderOUT = (ICMP_Header_t*)OutDataStart;
DecodeICMPHeader(InDataStart);
/* Determine if the ICMP packet is an echo request (ping) */
if (ICMPHeaderIN->Type == ICMP_TYPE_ECHOREQUEST)
{
/* Fill out the ICMP response packet */
ICMPHeaderOUT->Type = ICMP_TYPE_ECHOREPLY;
ICMPHeaderOUT->Code = 0;
ICMPHeaderOUT->Checksum = 0;
ICMPHeaderOUT->Id = ICMPHeaderIN->Id;
ICMPHeaderOUT->Sequence = ICMPHeaderIN->Sequence;
uint16_t DataSize = FrameIN.FrameLength - ((((uint16_t)InDataStart + sizeof(ICMP_Header_t)) - (uint16_t)FrameIN.FrameData));
/* Copy the remaining payload to the response - echo requests should echo back any sent data */
memcpy(&((uint8_t*)OutDataStart)[sizeof(ICMP_Header_t)],
&((uint8_t*)InDataStart)[sizeof(ICMP_Header_t)],
DataSize);
ICMPHeaderOUT->Checksum = Ethernet_Checksum16(ICMPHeaderOUT, (DataSize + sizeof(ICMP_Header_t)));
/* Return the size of the response so far */
return (DataSize + sizeof(ICMP_Header_t));
}
return NO_RESPONSE;
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Internet Control Message Protocol (ICMP) packet handling routines. This protocol handles
* Echo requests from the host, to indicate a successful network connection between the host
* and the virtual server.
*/
#include "ICMP.h"
/** Processes an ICMP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if the host is issuing a ICMP ECHO request.
*
* \param[in] InDataStart Pointer to the start of the incoming packet's ICMP header
* \param[out] OutDataStart Pointer to the start of the outgoing packet's ICMP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
*/
int16_t ICMP_ProcessICMPPacket(void* InDataStart, void* OutDataStart)
{
ICMP_Header_t* ICMPHeaderIN = (ICMP_Header_t*)InDataStart;
ICMP_Header_t* ICMPHeaderOUT = (ICMP_Header_t*)OutDataStart;
DecodeICMPHeader(InDataStart);
/* Determine if the ICMP packet is an echo request (ping) */
if (ICMPHeaderIN->Type == ICMP_TYPE_ECHOREQUEST)
{
/* Fill out the ICMP response packet */
ICMPHeaderOUT->Type = ICMP_TYPE_ECHOREPLY;
ICMPHeaderOUT->Code = 0;
ICMPHeaderOUT->Checksum = 0;
ICMPHeaderOUT->Id = ICMPHeaderIN->Id;
ICMPHeaderOUT->Sequence = ICMPHeaderIN->Sequence;
uint16_t DataSize = FrameIN.FrameLength - ((((uint16_t)InDataStart + sizeof(ICMP_Header_t)) - (uint16_t)FrameIN.FrameData));
/* Copy the remaining payload to the response - echo requests should echo back any sent data */
memcpy(&((uint8_t*)OutDataStart)[sizeof(ICMP_Header_t)],
&((uint8_t*)InDataStart)[sizeof(ICMP_Header_t)],
DataSize);
ICMPHeaderOUT->Checksum = Ethernet_Checksum16(ICMPHeaderOUT, (DataSize + sizeof(ICMP_Header_t)));
/* Return the size of the response so far */
return (DataSize + sizeof(ICMP_Header_t));
}
return NO_RESPONSE;
}

160
Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.h
View file

@ -1,80 +1,80 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 ICMP.c.
*/
#ifndef _ICMP_H_
#define _ICMP_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
/* Macros: */
/** ICMP message type constant, indicating an ICMP ECHO Reply message */
#define ICMP_TYPE_ECHOREPLY 0
/** ICMP message type constant, indicating a packet destination is unreachable */
#define ICMP_TYPE_DESTINATIONUNREACHABLE 3
/** ICMP message type constant, indicating an ICMP Source Quench message */
#define ICMP_TYPE_SOURCEQUENCH 4
/** ICMP message type constant, indicating an ICMP Redirect message */
#define ICMP_TYPE_REDIRECTMESSAGE 5
/** ICMP message type constant, indicating an ICMP ECHO Request message */
#define ICMP_TYPE_ECHOREQUEST 8
/** ICMP message type constant, indicating an ICMP Time Exceeded message */
#define ICMP_TYPE_TIMEEXCEEDED 11
/* Type Defines: */
/** Type define for an ICMP message header. */
typedef struct
{
uint8_t Type; /**< ICMP message type, a ICMP_TYPE_* constant */
uint8_t Code; /**< ICMP message code, indicating the message value */
uint16_t Checksum; /**< Ethernet checksum of the ICMP message */
uint16_t Id; /**< Id of the ICMP message */
uint16_t Sequence; /**< Sequence number of the ICMP message, to link together message responses */
} ICMP_Header_t;
/* Function Prototypes: */
int16_t ICMP_ProcessICMPPacket(void* InDataStart, void* OutDataStart);
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 ICMP.c.
*/
#ifndef _ICMP_H_
#define _ICMP_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
/* Macros: */
/** ICMP message type constant, indicating an ICMP ECHO Reply message */
#define ICMP_TYPE_ECHOREPLY 0
/** ICMP message type constant, indicating a packet destination is unreachable */
#define ICMP_TYPE_DESTINATIONUNREACHABLE 3
/** ICMP message type constant, indicating an ICMP Source Quench message */
#define ICMP_TYPE_SOURCEQUENCH 4
/** ICMP message type constant, indicating an ICMP Redirect message */
#define ICMP_TYPE_REDIRECTMESSAGE 5
/** ICMP message type constant, indicating an ICMP ECHO Request message */
#define ICMP_TYPE_ECHOREQUEST 8
/** ICMP message type constant, indicating an ICMP Time Exceeded message */
#define ICMP_TYPE_TIMEEXCEEDED 11
/* Type Defines: */
/** Type define for an ICMP message header. */
typedef struct
{
uint8_t Type; /**< ICMP message type, a ICMP_TYPE_* constant */
uint8_t Code; /**< ICMP message code, indicating the message value */
uint16_t Checksum; /**< Ethernet checksum of the ICMP message */
uint16_t Id; /**< Id of the ICMP message */
uint16_t Sequence; /**< Sequence number of the ICMP message, to link together message responses */
} ICMP_Header_t;
/* Function Prototypes: */
int16_t ICMP_ProcessICMPPacket(void* InDataStart, void* OutDataStart);
#endif

222
Demos/Device/LowLevel/RNDISEthernet/Lib/IP.c
View file

@ -1,111 +1,111 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Internet Protocol (IP) packet handling routines. This protocol handles IP packets from the
* host which typically encapsulate other protocols such as ICMP, UDP and TCP.
*/
#include "IP.h"
/** Processes an IP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if one is created by a sub-protocol handler.
*
* \param[in] InDataStart Pointer to the start of the incoming packet's IP header
* \param[out] OutDataStart Pointer to the start of the outgoing packet's IP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE if no
* response was generated, NO_PROCESS if the packet processing was deferred until the
* next Ethernet packet handler iteration
*/
int16_t IP_ProcessIPPacket(void* InDataStart, void* OutDataStart)
{
DecodeIPHeader(InDataStart);
IP_Header_t* IPHeaderIN = (IP_Header_t*)InDataStart;
IP_Header_t* IPHeaderOUT = (IP_Header_t*)OutDataStart;
/* Header length is specified in number of longs in the packet header, convert to bytes */
uint16_t HeaderLengthBytes = (IPHeaderIN->HeaderLength * sizeof(uint32_t));
int16_t RetSize = NO_RESPONSE;
/* Check to ensure the IP packet is addressed to the virtual webserver's IP or the broadcast IP address */
if (!(IP_COMPARE(&IPHeaderIN->DestinationAddress, &ServerIPAddress)) &&
!(IP_COMPARE(&IPHeaderIN->DestinationAddress, &BroadcastIPAddress)))
{
return NO_RESPONSE;
}
/* Pass off the IP payload to the appropriate protocol processing routine */
switch (IPHeaderIN->Protocol)
{
case PROTOCOL_ICMP:
RetSize = ICMP_ProcessICMPPacket(&((uint8_t*)InDataStart)[HeaderLengthBytes],
&((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);
break;
case PROTOCOL_TCP:
RetSize = TCP_ProcessTCPPacket(InDataStart,
&((uint8_t*)InDataStart)[HeaderLengthBytes],
&((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);
break;
case PROTOCOL_UDP:
RetSize = UDP_ProcessUDPPacket(InDataStart,
&((uint8_t*)InDataStart)[HeaderLengthBytes],
&((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);
break;
}
/* Check to see if the protocol processing routine has filled out a response */
if (RetSize > 0)
{
/* Fill out the response IP packet header */
IPHeaderOUT->TotalLength = SwapEndian_16(sizeof(IP_Header_t) + RetSize);
IPHeaderOUT->TypeOfService = 0;
IPHeaderOUT->HeaderLength = (sizeof(IP_Header_t) / sizeof(uint32_t));
IPHeaderOUT->Version = 4;
IPHeaderOUT->Flags = 0;
IPHeaderOUT->FragmentOffset = 0;
IPHeaderOUT->Identification = 0;
IPHeaderOUT->HeaderChecksum = 0;
IPHeaderOUT->Protocol = IPHeaderIN->Protocol;
IPHeaderOUT->TTL = DEFAULT_TTL;
IPHeaderOUT->SourceAddress = IPHeaderIN->DestinationAddress;
IPHeaderOUT->DestinationAddress = IPHeaderIN->SourceAddress;
IPHeaderOUT->HeaderChecksum = Ethernet_Checksum16(IPHeaderOUT, sizeof(IP_Header_t));
/* Return the size of the response so far */
return (sizeof(IP_Header_t) + RetSize);
}
return RetSize;
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Internet Protocol (IP) packet handling routines. This protocol handles IP packets from the
* host which typically encapsulate other protocols such as ICMP, UDP and TCP.
*/
#include "IP.h"
/** Processes an IP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if one is created by a sub-protocol handler.
*
* \param[in] InDataStart Pointer to the start of the incoming packet's IP header
* \param[out] OutDataStart Pointer to the start of the outgoing packet's IP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE if no
* response was generated, NO_PROCESS if the packet processing was deferred until the
* next Ethernet packet handler iteration
*/
int16_t IP_ProcessIPPacket(void* InDataStart, void* OutDataStart)
{
DecodeIPHeader(InDataStart);
IP_Header_t* IPHeaderIN = (IP_Header_t*)InDataStart;
IP_Header_t* IPHeaderOUT = (IP_Header_t*)OutDataStart;
/* Header length is specified in number of longs in the packet header, convert to bytes */
uint16_t HeaderLengthBytes = (IPHeaderIN->HeaderLength * sizeof(uint32_t));
int16_t RetSize = NO_RESPONSE;
/* Check to ensure the IP packet is addressed to the virtual webserver's IP or the broadcast IP address */
if (!(IP_COMPARE(&IPHeaderIN->DestinationAddress, &ServerIPAddress)) &&
!(IP_COMPARE(&IPHeaderIN->DestinationAddress, &BroadcastIPAddress)))
{
return NO_RESPONSE;
}
/* Pass off the IP payload to the appropriate protocol processing routine */
switch (IPHeaderIN->Protocol)
{
case PROTOCOL_ICMP:
RetSize = ICMP_ProcessICMPPacket(&((uint8_t*)InDataStart)[HeaderLengthBytes],
&((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);
break;
case PROTOCOL_TCP:
RetSize = TCP_ProcessTCPPacket(InDataStart,
&((uint8_t*)InDataStart)[HeaderLengthBytes],
&((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);
break;
case PROTOCOL_UDP:
RetSize = UDP_ProcessUDPPacket(InDataStart,
&((uint8_t*)InDataStart)[HeaderLengthBytes],
&((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);
break;
}
/* Check to see if the protocol processing routine has filled out a response */
if (RetSize > 0)
{
/* Fill out the response IP packet header */
IPHeaderOUT->TotalLength = SwapEndian_16(sizeof(IP_Header_t) + RetSize);
IPHeaderOUT->TypeOfService = 0;
IPHeaderOUT->HeaderLength = (sizeof(IP_Header_t) / sizeof(uint32_t));
IPHeaderOUT->Version = 4;
IPHeaderOUT->Flags = 0;
IPHeaderOUT->FragmentOffset = 0;
IPHeaderOUT->Identification = 0;
IPHeaderOUT->HeaderChecksum = 0;
IPHeaderOUT->Protocol = IPHeaderIN->Protocol;
IPHeaderOUT->TTL = DEFAULT_TTL;
IPHeaderOUT->SourceAddress = IPHeaderIN->DestinationAddress;
IPHeaderOUT->DestinationAddress = IPHeaderIN->SourceAddress;
IPHeaderOUT->HeaderChecksum = Ethernet_Checksum16(IPHeaderOUT, sizeof(IP_Header_t));
/* Return the size of the response so far */
return (sizeof(IP_Header_t) + RetSize);
}
return RetSize;
}

186
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View file

@ -1,93 +1,93 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 <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 */
#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 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, 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 */
} IP_Header_t;
/* Function Prototypes: */
int16_t IP_ProcessIPPacket(void* InDataStart, void* OutDataStart);
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 <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 */
#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 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, 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 */
} IP_Header_t;
/* Function Prototypes: */
int16_t IP_ProcessIPPacket(void* InDataStart, void* OutDataStart);
#endif

558
Demos/Device/LowLevel/RNDISEthernet/Lib/ProtocolDecoders.c
View file

@ -1,279 +1,279 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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.
*/
/* Protocol decoders for Ethernet, TCP, IP, ICMP and ARP. Each of these routines
accepts a header to the appropriate protocol and prints out pertinent information
on the packet through the serial port.
To disable printing of a specific protocol, define the token NO_DECODE_{Protocol}
in the project makefile, and pass it to the compiler using the -D switch.
*/
/** \file
*
* Protocol decoding routines, for the plain-text decoding of Ethernet frames for debugging purposes.
* Enabled protocol decoders will print incoming Ethernet frame contents through the USART in a human
* readable format.
*
* Note that the USART is a slow transmission medium, and will slow down packet processing considerably.
* Packet decoding routines can be disabled by defining NO_DECODE_{Protocol Name} in the project makefile
* and passing it to the compiler via the -D switch.
*/
#include "ProtocolDecoders.h"
/** Decodes an Ethernet frame header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of an Ethernet frame header
*/
void DecodeEthernetFrameHeader(void* InDataStart)
{
#if !defined(NO_DECODE_ETHERNET)
Ethernet_Frame_Header_t* FrameHeader = (Ethernet_Frame_Header_t*)InDataStart;
printf_P(PSTR("\r\n"));
printf_P(PSTR(" ETHERNET\r\n"));
printf_P(PSTR(" + Frame Size: %u\r\n"), FrameIN.FrameLength);
if (!(MAC_COMPARE(&FrameHeader->Destination, &ServerMACAddress)) &&
!(MAC_COMPARE(&FrameHeader->Destination, &BroadcastMACAddress)))
{
printf_P(PSTR(" + NOT ADDRESSED TO DEVICE\r\n"));
return;
}
printf_P(PSTR(" + MAC Source : %02X:%02X:%02X:%02X:%02X:%02X\r\n"), FrameHeader->Source.Octets[0],
FrameHeader->Source.Octets[1],
FrameHeader->Source.Octets[2],
FrameHeader->Source.Octets[3],
FrameHeader->Source.Octets[4],
FrameHeader->Source.Octets[5]);
printf_P(PSTR(" + MAC Dest: %02X:%02X:%02X:%02X:%02X:%02X\r\n"), FrameHeader->Destination.Octets[0],
FrameHeader->Destination.Octets[1],
FrameHeader->Destination.Octets[2],
FrameHeader->Destination.Octets[3],
FrameHeader->Destination.Octets[4],
FrameHeader->Destination.Octets[5]);
if (SwapEndian_16(FrameIN.FrameLength) > ETHERNET_VER2_MINSIZE)
printf_P(PSTR(" + Protocol: 0x%04x\r\n"), SwapEndian_16(FrameHeader->EtherType));
else
printf_P(PSTR(" + Protocol: UNKNOWN E1\r\n"));
#endif
}
/** Decodes an ARP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of an ARP packet header
*/
void DecodeARPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_ARP)
ARP_Header_t* ARPHeader = (ARP_Header_t*)InDataStart;
printf_P(PSTR(" \\\r\n ARP\r\n"));
if (!(IP_COMPARE(&ARPHeader->TPA, &ServerIPAddress)) &&
!(MAC_COMPARE(&ARPHeader->THA, &ServerMACAddress)))
{
printf_P(PSTR(" + NOT ADDRESSED TO DEVICE\r\n"));
return;
}
printf_P(PSTR(" + Protocol: %x\r\n"), SwapEndian_16(ARPHeader->ProtocolType));
printf_P(PSTR(" + Operation: %u\r\n"), SwapEndian_16(ARPHeader->Operation));
if (SwapEndian_16(ARPHeader->ProtocolType) == ETHERTYPE_IPV4)
{
printf_P(PSTR(" + SHA MAC: %02X:%02X:%02X:%02X:%02X:%02X\r\n"), ARPHeader->SHA.Octets[0],
ARPHeader->SHA.Octets[1],
ARPHeader->SHA.Octets[2],
ARPHeader->SHA.Octets[3],
ARPHeader->SHA.Octets[4],
ARPHeader->SHA.Octets[5]);
printf_P(PSTR(" + SPA IP: %u.%u.%u.%u\r\n"), ARPHeader->SPA.Octets[0],
ARPHeader->SPA.Octets[1],
ARPHeader->SPA.Octets[2],
ARPHeader->SPA.Octets[3]);
printf_P(PSTR(" + THA MAC: %02X:%02X:%02X:%02X:%02X:%02X\r\n"), ARPHeader->THA.Octets[0],
ARPHeader->THA.Octets[1],
ARPHeader->THA.Octets[2],
ARPHeader->THA.Octets[3],
ARPHeader->THA.Octets[4],
ARPHeader->THA.Octets[5]);
printf_P(PSTR(" + TPA IP: %u.%u.%u.%u\r\n"), ARPHeader->TPA.Octets[0],
ARPHeader->TPA.Octets[1],
ARPHeader->TPA.Octets[2],
ARPHeader->TPA.Octets[3]);
}
#endif
}
/** Decodes an IP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of an IP packet header
*/
void DecodeIPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_IP)
IP_Header_t* IPHeader = (IP_Header_t*)InDataStart;
uint16_t HeaderLengthBytes = (IPHeader->HeaderLength * sizeof(uint32_t));
printf_P(PSTR(" \\\r\n IP\r\n"));
if (!(IP_COMPARE(&IPHeader->DestinationAddress, &ServerIPAddress)))
{
printf_P(PSTR(" + NOT ADDRESSED TO DEVICE\r\n"));
return;
}
printf_P(PSTR(" + Header Length: %u Bytes\r\n"), HeaderLengthBytes);
printf_P(PSTR(" + Packet Version: %u\r\n"), IPHeader->Version);
printf_P(PSTR(" + Total Length: %u\r\n"), SwapEndian_16(IPHeader->TotalLength));
printf_P(PSTR(" + Protocol: %u\r\n"), IPHeader->Protocol);
printf_P(PSTR(" + TTL: %u\r\n"), IPHeader->TTL);
printf_P(PSTR(" + IP Src: %u.%u.%u.%u\r\n"), IPHeader->SourceAddress.Octets[0],
IPHeader->SourceAddress.Octets[1],
IPHeader->SourceAddress.Octets[2],
IPHeader->SourceAddress.Octets[3]);
printf_P(PSTR(" + IP Dst: %u.%u.%u.%u\r\n"), IPHeader->DestinationAddress.Octets[0],
IPHeader->DestinationAddress.Octets[1],
IPHeader->DestinationAddress.Octets[2],
IPHeader->DestinationAddress.Octets[3]);
#endif
}
/** Decodes an ICMP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of an ICMP packet header
*/
void DecodeICMPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_ICMP)
ICMP_Header_t* ICMPHeader = (ICMP_Header_t*)InDataStart;
printf_P(PSTR(" \\\r\n ICMP\r\n"));
printf_P(PSTR(" + Type: %u\r\n"), ICMPHeader->Type);
printf_P(PSTR(" + Code: %u\r\n"), ICMPHeader->Code);
#endif
}
/** Decodes a TCP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of a TCP packet header
*/
void DecodeTCPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_TCP)
TCP_Header_t* TCPHeader = (TCP_Header_t*)InDataStart;
uint16_t HeaderLengthBytes = (TCPHeader->DataOffset * sizeof(uint32_t));
printf_P(PSTR(" \\\r\n TCP\r\n"));
printf_P(PSTR(" + Header Length: %u Bytes\r\n"), HeaderLengthBytes);
printf_P(PSTR(" + Source Port: %u\r\n"), SwapEndian_16(TCPHeader->SourcePort));
printf_P(PSTR(" + Destination Port: %u\r\n"), SwapEndian_16(TCPHeader->DestinationPort));
printf_P(PSTR(" + Sequence Number: %lu\r\n"), SwapEndian_32(TCPHeader->SequenceNumber));
printf_P(PSTR(" + Acknowledgment Number: %lu\r\n"), SwapEndian_32(TCPHeader->AcknowledgmentNumber));
printf_P(PSTR(" + Flags: 0x%02X\r\n"), TCPHeader->Flags);
if (TCP_GetPortState(TCPHeader->DestinationPort) == TCP_Port_Closed)
printf_P(PSTR(" + NOT LISTENING ON DESTINATION PORT\r\n"));
#endif
}
/** Decodes an UDP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of a UDP packet header
*/
void DecodeUDPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_UDP)
UDP_Header_t* UDPHeader = (UDP_Header_t*)InDataStart;
printf_P(PSTR(" \\\r\n UDP\r\n"));
printf_P(PSTR(" + Source Port: %u\r\n"), SwapEndian_16(UDPHeader->SourcePort));
printf_P(PSTR(" + Destination Port: %u\r\n"), SwapEndian_16(UDPHeader->DestinationPort));
printf_P(PSTR(" + Data Length: %d\r\n"), SwapEndian_16(UDPHeader->Length));
#endif
}
/** Decodes an DHCP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of a DHCP packet header
*/
void DecodeDHCPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_DHCP)
uint8_t* DHCPOptions = (InDataStart + sizeof(DHCP_Header_t));
printf_P(PSTR(" \\\r\n DHCP\r\n"));
while (DHCPOptions[0] != DHCP_OPTION_END)
{
if (DHCPOptions[0] == DHCP_OPTION_MESSAGETYPE)
{
switch (DHCPOptions[2])
{
case DHCP_MESSAGETYPE_DISCOVER:
printf_P(PSTR(" + DISCOVER\r\n"));
break;
case DHCP_MESSAGETYPE_REQUEST:
printf_P(PSTR(" + REQUEST\r\n"));
break;
case DHCP_MESSAGETYPE_RELEASE:
printf_P(PSTR(" + RELEASE\r\n"));
break;
case DHCP_MESSAGETYPE_DECLINE:
printf_P(PSTR(" + DECLINE\r\n"));
break;
}
}
DHCPOptions += ((DHCPOptions[0] == DHCP_OPTION_PAD) ? 1 : (DHCPOptions[1] + 2));
}
#endif
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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.
*/
/* Protocol decoders for Ethernet, TCP, IP, ICMP and ARP. Each of these routines
accepts a header to the appropriate protocol and prints out pertinent information
on the packet through the serial port.
To disable printing of a specific protocol, define the token NO_DECODE_{Protocol}
in the project makefile, and pass it to the compiler using the -D switch.
*/
/** \file
*
* Protocol decoding routines, for the plain-text decoding of Ethernet frames for debugging purposes.
* Enabled protocol decoders will print incoming Ethernet frame contents through the USART in a human
* readable format.
*
* Note that the USART is a slow transmission medium, and will slow down packet processing considerably.
* Packet decoding routines can be disabled by defining NO_DECODE_{Protocol Name} in the project makefile
* and passing it to the compiler via the -D switch.
*/
#include "ProtocolDecoders.h"
/** Decodes an Ethernet frame header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of an Ethernet frame header
*/
void DecodeEthernetFrameHeader(void* InDataStart)
{
#if !defined(NO_DECODE_ETHERNET)
Ethernet_Frame_Header_t* FrameHeader = (Ethernet_Frame_Header_t*)InDataStart;
printf_P(PSTR("\r\n"));
printf_P(PSTR(" ETHERNET\r\n"));
printf_P(PSTR(" + Frame Size: %u\r\n"), FrameIN.FrameLength);
if (!(MAC_COMPARE(&FrameHeader->Destination, &ServerMACAddress)) &&
!(MAC_COMPARE(&FrameHeader->Destination, &BroadcastMACAddress)))
{
printf_P(PSTR(" + NOT ADDRESSED TO DEVICE\r\n"));
return;
}
printf_P(PSTR(" + MAC Source : %02X:%02X:%02X:%02X:%02X:%02X\r\n"), FrameHeader->Source.Octets[0],
FrameHeader->Source.Octets[1],
FrameHeader->Source.Octets[2],
FrameHeader->Source.Octets[3],
FrameHeader->Source.Octets[4],
FrameHeader->Source.Octets[5]);
printf_P(PSTR(" + MAC Dest: %02X:%02X:%02X:%02X:%02X:%02X\r\n"), FrameHeader->Destination.Octets[0],
FrameHeader->Destination.Octets[1],
FrameHeader->Destination.Octets[2],
FrameHeader->Destination.Octets[3],
FrameHeader->Destination.Octets[4],
FrameHeader->Destination.Octets[5]);
if (SwapEndian_16(FrameIN.FrameLength) > ETHERNET_VER2_MINSIZE)
printf_P(PSTR(" + Protocol: 0x%04x\r\n"), SwapEndian_16(FrameHeader->EtherType));
else
printf_P(PSTR(" + Protocol: UNKNOWN E1\r\n"));
#endif
}
/** Decodes an ARP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of an ARP packet header
*/
void DecodeARPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_ARP)
ARP_Header_t* ARPHeader = (ARP_Header_t*)InDataStart;
printf_P(PSTR(" \\\r\n ARP\r\n"));
if (!(IP_COMPARE(&ARPHeader->TPA, &ServerIPAddress)) &&
!(MAC_COMPARE(&ARPHeader->THA, &ServerMACAddress)))
{
printf_P(PSTR(" + NOT ADDRESSED TO DEVICE\r\n"));
return;
}
printf_P(PSTR(" + Protocol: %x\r\n"), SwapEndian_16(ARPHeader->ProtocolType));
printf_P(PSTR(" + Operation: %u\r\n"), SwapEndian_16(ARPHeader->Operation));
if (SwapEndian_16(ARPHeader->ProtocolType) == ETHERTYPE_IPV4)
{
printf_P(PSTR(" + SHA MAC: %02X:%02X:%02X:%02X:%02X:%02X\r\n"), ARPHeader->SHA.Octets[0],
ARPHeader->SHA.Octets[1],
ARPHeader->SHA.Octets[2],
ARPHeader->SHA.Octets[3],
ARPHeader->SHA.Octets[4],
ARPHeader->SHA.Octets[5]);
printf_P(PSTR(" + SPA IP: %u.%u.%u.%u\r\n"), ARPHeader->SPA.Octets[0],
ARPHeader->SPA.Octets[1],
ARPHeader->SPA.Octets[2],
ARPHeader->SPA.Octets[3]);
printf_P(PSTR(" + THA MAC: %02X:%02X:%02X:%02X:%02X:%02X\r\n"), ARPHeader->THA.Octets[0],
ARPHeader->THA.Octets[1],
ARPHeader->THA.Octets[2],
ARPHeader->THA.Octets[3],
ARPHeader->THA.Octets[4],
ARPHeader->THA.Octets[5]);
printf_P(PSTR(" + TPA IP: %u.%u.%u.%u\r\n"), ARPHeader->TPA.Octets[0],
ARPHeader->TPA.Octets[1],
ARPHeader->TPA.Octets[2],
ARPHeader->TPA.Octets[3]);
}
#endif
}
/** Decodes an IP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of an IP packet header
*/
void DecodeIPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_IP)
IP_Header_t* IPHeader = (IP_Header_t*)InDataStart;
uint16_t HeaderLengthBytes = (IPHeader->HeaderLength * sizeof(uint32_t));
printf_P(PSTR(" \\\r\n IP\r\n"));
if (!(IP_COMPARE(&IPHeader->DestinationAddress, &ServerIPAddress)))
{
printf_P(PSTR(" + NOT ADDRESSED TO DEVICE\r\n"));
return;
}
printf_P(PSTR(" + Header Length: %u Bytes\r\n"), HeaderLengthBytes);
printf_P(PSTR(" + Packet Version: %u\r\n"), IPHeader->Version);
printf_P(PSTR(" + Total Length: %u\r\n"), SwapEndian_16(IPHeader->TotalLength));
printf_P(PSTR(" + Protocol: %u\r\n"), IPHeader->Protocol);
printf_P(PSTR(" + TTL: %u\r\n"), IPHeader->TTL);
printf_P(PSTR(" + IP Src: %u.%u.%u.%u\r\n"), IPHeader->SourceAddress.Octets[0],
IPHeader->SourceAddress.Octets[1],
IPHeader->SourceAddress.Octets[2],
IPHeader->SourceAddress.Octets[3]);
printf_P(PSTR(" + IP Dst: %u.%u.%u.%u\r\n"), IPHeader->DestinationAddress.Octets[0],
IPHeader->DestinationAddress.Octets[1],
IPHeader->DestinationAddress.Octets[2],
IPHeader->DestinationAddress.Octets[3]);
#endif
}
/** Decodes an ICMP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of an ICMP packet header
*/
void DecodeICMPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_ICMP)
ICMP_Header_t* ICMPHeader = (ICMP_Header_t*)InDataStart;
printf_P(PSTR(" \\\r\n ICMP\r\n"));
printf_P(PSTR(" + Type: %u\r\n"), ICMPHeader->Type);
printf_P(PSTR(" + Code: %u\r\n"), ICMPHeader->Code);
#endif
}
/** Decodes a TCP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of a TCP packet header
*/
void DecodeTCPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_TCP)
TCP_Header_t* TCPHeader = (TCP_Header_t*)InDataStart;
uint16_t HeaderLengthBytes = (TCPHeader->DataOffset * sizeof(uint32_t));
printf_P(PSTR(" \\\r\n TCP\r\n"));
printf_P(PSTR(" + Header Length: %u Bytes\r\n"), HeaderLengthBytes);
printf_P(PSTR(" + Source Port: %u\r\n"), SwapEndian_16(TCPHeader->SourcePort));
printf_P(PSTR(" + Destination Port: %u\r\n"), SwapEndian_16(TCPHeader->DestinationPort));
printf_P(PSTR(" + Sequence Number: %lu\r\n"), SwapEndian_32(TCPHeader->SequenceNumber));
printf_P(PSTR(" + Acknowledgment Number: %lu\r\n"), SwapEndian_32(TCPHeader->AcknowledgmentNumber));
printf_P(PSTR(" + Flags: 0x%02X\r\n"), TCPHeader->Flags);
if (TCP_GetPortState(TCPHeader->DestinationPort) == TCP_Port_Closed)
printf_P(PSTR(" + NOT LISTENING ON DESTINATION PORT\r\n"));
#endif
}
/** Decodes an UDP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of a UDP packet header
*/
void DecodeUDPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_UDP)
UDP_Header_t* UDPHeader = (UDP_Header_t*)InDataStart;
printf_P(PSTR(" \\\r\n UDP\r\n"));
printf_P(PSTR(" + Source Port: %u\r\n"), SwapEndian_16(UDPHeader->SourcePort));
printf_P(PSTR(" + Destination Port: %u\r\n"), SwapEndian_16(UDPHeader->DestinationPort));
printf_P(PSTR(" + Data Length: %d\r\n"), SwapEndian_16(UDPHeader->Length));
#endif
}
/** Decodes an DHCP header and prints its contents to through the USART in a human readable format.
*
* \param[in] InDataStart Pointer to the start of a DHCP packet header
*/
void DecodeDHCPHeader(void* InDataStart)
{
#if !defined(NO_DECODE_DHCP)
uint8_t* DHCPOptions = (InDataStart + sizeof(DHCP_Header_t));
printf_P(PSTR(" \\\r\n DHCP\r\n"));
while (DHCPOptions[0] != DHCP_OPTION_END)
{
if (DHCPOptions[0] == DHCP_OPTION_MESSAGETYPE)
{
switch (DHCPOptions[2])
{
case DHCP_MESSAGETYPE_DISCOVER:
printf_P(PSTR(" + DISCOVER\r\n"));
break;
case DHCP_MESSAGETYPE_REQUEST:
printf_P(PSTR(" + REQUEST\r\n"));
break;
case DHCP_MESSAGETYPE_RELEASE:
printf_P(PSTR(" + RELEASE\r\n"));
break;
case DHCP_MESSAGETYPE_DECLINE:
printf_P(PSTR(" + DECLINE\r\n"));
break;
}
}
DHCPOptions += ((DHCPOptions[0] == DHCP_OPTION_PAD) ? 1 : (DHCPOptions[1] + 2));
}
#endif
}

116
Demos/Device/LowLevel/RNDISEthernet/Lib/ProtocolDecoders.h
View file

@ -1,58 +1,58 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 ProtocolDecoders.c.
*/
#ifndef _PROTOCOL_DECODERS_H_
#define _PROTOCOL_DECODERS_H_
/* Includes: */
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <stdio.h>
#include <LUFA/Drivers/Peripheral/SerialStream.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
/* Function Prototypes: */
void DecodeEthernetFrameHeader(void* InDataStart);
void DecodeARPHeader(void* InDataStart);
void DecodeIPHeader(void* InDataStart);
void DecodeICMPHeader(void* InDataStart);
void DecodeTCPHeader(void* InDataStart);
void DecodeUDPHeader(void* InDataStart);
void DecodeDHCPHeader(void* InDataStart);
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 ProtocolDecoders.c.
*/
#ifndef _PROTOCOL_DECODERS_H_
#define _PROTOCOL_DECODERS_H_
/* Includes: */
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <stdio.h>
#include <LUFA/Drivers/Peripheral/SerialStream.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
/* Function Prototypes: */
void DecodeEthernetFrameHeader(void* InDataStart);
void DecodeARPHeader(void* InDataStart);
void DecodeIPHeader(void* InDataStart);
void DecodeICMPHeader(void* InDataStart);
void DecodeTCPHeader(void* InDataStart);
void DecodeUDPHeader(void* InDataStart);
void DecodeDHCPHeader(void* InDataStart);
#endif

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Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.c
View file

@ -1,393 +1,393 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* RNDIS command handler functions. This handles RNDIS commands according to
* the Microsoft RNDIS specification, creating a USB Ethernet network adapter.
*/
#define INCLUDE_FROM_RNDIS_C
#include "RNDIS.h"
/** Physical MAC address of the network adapter, which becomes the MAC address of the host for packets sent to the adapter. */
static MAC_Address_t PROGMEM AdapterMACAddress = {ADAPTER_MAC_ADDRESS};
/** Vendor description of the adapter. This is overridden by the INF file required to install the appropriate RNDIS drivers for
* the device, but may still be used by the OS in some circumstances.
*/
static char PROGMEM AdapterVendorDescription[] = "LUFA RNDIS Adapter";
/** List of RNDIS OID commands supported by this adapter. */
static const uint32_t PROGMEM AdapterSupportedOIDList[] =
{
OID_GEN_SUPPORTED_LIST,
OID_GEN_PHYSICAL_MEDIUM,
OID_GEN_HARDWARE_STATUS,
OID_GEN_MEDIA_SUPPORTED,
OID_GEN_MEDIA_IN_USE,
OID_GEN_MAXIMUM_FRAME_SIZE,
OID_GEN_MAXIMUM_TOTAL_SIZE,
OID_GEN_LINK_SPEED,
OID_GEN_TRANSMIT_BLOCK_SIZE,
OID_GEN_RECEIVE_BLOCK_SIZE,
OID_GEN_VENDOR_ID,
OID_GEN_VENDOR_DESCRIPTION,
OID_GEN_CURRENT_PACKET_FILTER,
OID_GEN_MAXIMUM_TOTAL_SIZE,
OID_GEN_MEDIA_CONNECT_STATUS,
OID_GEN_XMIT_OK,
OID_GEN_RCV_OK,
OID_GEN_XMIT_ERROR,
OID_GEN_RCV_ERROR,
OID_GEN_RCV_NO_BUFFER,
OID_802_3_PERMANENT_ADDRESS,
OID_802_3_CURRENT_ADDRESS,
OID_802_3_MULTICAST_LIST,
OID_802_3_MAXIMUM_LIST_SIZE,
OID_802_3_RCV_ERROR_ALIGNMENT,
OID_802_3_XMIT_ONE_COLLISION,
OID_802_3_XMIT_MORE_COLLISIONS,
};
/** Buffer for RNDIS messages (as distinct from Ethernet frames sent through the adapter. This must be big enough to hold the entire
* Supported OID list, plus the response header. The buffer is half-duplex, and is written to as it is read to save on SRAM - for this
* reason, care must be taken when constructing RNDIS responses that unread data is not overwritten when writing in responses.
*/
uint8_t RNDISMessageBuffer[sizeof(AdapterSupportedOIDList) + sizeof(RNDIS_Query_Complete_t)];
/** Pointer to the RNDIS message header at the top of the RNDIS message buffer, for convenience. */
RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISMessageBuffer;
/** Indicates if a RNDIS message response is ready to be sent back to the host. */
bool ResponseReady = false;
/** Current RNDIS adapter state, a value from the RNDIS_States_t enum. */
uint8_t CurrRNDISState = RNDIS_Uninitialized;
/** Current Ethernet packet filter mask. This is non-zero when the adapter is initialized, or zero when disabled. */
uint32_t CurrPacketFilter = 0;
/** Processes the RNDIS message received by the host and stored in the RNDISMessageBuffer global buffer. If a response is
* created, the ResponseReady global is updated so that the response is written back to the host upon request.
*/
void ProcessRNDISControlMessage(void)
{
/* Note: Only a single buffer is used for both the received message and its response to save SRAM. Because of
this, response bytes should be filled in order so that they do not clobber unread data in the buffer. */
switch (MessageHeader->MessageType)
{
case REMOTE_NDIS_INITIALIZE_MSG:
/* Initialize the adapter - return information about the supported RNDIS version and buffer sizes */
ResponseReady = true;
RNDIS_Initialize_Message_t* INITIALIZE_Message = (RNDIS_Initialize_Message_t*)&RNDISMessageBuffer;
RNDIS_Initialize_Complete_t* INITIALIZE_Response = (RNDIS_Initialize_Complete_t*)&RNDISMessageBuffer;
INITIALIZE_Response->MessageType = REMOTE_NDIS_INITIALIZE_CMPLT;
INITIALIZE_Response->MessageLength = sizeof(RNDIS_Initialize_Complete_t);
INITIALIZE_Response->RequestId = INITIALIZE_Message->RequestId;
INITIALIZE_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
INITIALIZE_Response->MajorVersion = REMOTE_NDIS_VERSION_MAJOR;
INITIALIZE_Response->MinorVersion = REMOTE_NDIS_VERSION_MINOR;
INITIALIZE_Response->DeviceFlags = REMOTE_NDIS_DF_CONNECTIONLESS;
INITIALIZE_Response->Medium = REMOTE_NDIS_MEDIUM_802_3;
INITIALIZE_Response->MaxPacketsPerTransfer = 1;
INITIALIZE_Response->MaxTransferSize = (sizeof(RNDIS_Packet_Message_t) + ETHERNET_FRAME_SIZE_MAX);
INITIALIZE_Response->PacketAlignmentFactor = 0;
INITIALIZE_Response->AFListOffset = 0;
INITIALIZE_Response->AFListSize = 0;
CurrRNDISState = RNDIS_Initialized;
break;
case REMOTE_NDIS_HALT_MSG:
/* Halt the adapter, reset the adapter state - note that no response should be returned when completed */
ResponseReady = false;
MessageHeader->MessageLength = 0;
CurrRNDISState = RNDIS_Uninitialized;
break;
case REMOTE_NDIS_QUERY_MSG:
/* Request for information about a parameter about the adapter, specified as an OID token */
ResponseReady = true;
RNDIS_Query_Message_t* QUERY_Message = (RNDIS_Query_Message_t*)&RNDISMessageBuffer;
RNDIS_Query_Complete_t* QUERY_Response = (RNDIS_Query_Complete_t*)&RNDISMessageBuffer;
uint32_t Query_Oid = QUERY_Message->Oid;
void* QueryData = &RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
QUERY_Message->InformationBufferOffset];
void* ResponseData = &RNDISMessageBuffer[sizeof(RNDIS_Query_Complete_t)];
uint16_t ResponseSize;
QUERY_Response->MessageType = REMOTE_NDIS_QUERY_CMPLT;
QUERY_Response->MessageLength = sizeof(RNDIS_Query_Complete_t);
if (ProcessNDISQuery(Query_Oid, QueryData, QUERY_Message->InformationBufferLength,
ResponseData, &ResponseSize))
{
QUERY_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
QUERY_Response->MessageLength += ResponseSize;
QUERY_Response->InformationBufferLength = ResponseSize;
QUERY_Response->InformationBufferOffset = (sizeof(RNDIS_Query_Complete_t) - sizeof(RNDIS_Message_Header_t));
}
else
{
QUERY_Response->Status = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
QUERY_Response->InformationBufferLength = 0;
QUERY_Response->InformationBufferOffset = 0;
}
break;
case REMOTE_NDIS_SET_MSG:
/* Request to set a parameter of the adapter, specified as an OID token */
ResponseReady = true;
RNDIS_Set_Message_t* SET_Message = (RNDIS_Set_Message_t*)&RNDISMessageBuffer;
RNDIS_Set_Complete_t* SET_Response = (RNDIS_Set_Complete_t*)&RNDISMessageBuffer;
uint32_t SET_Oid = SET_Message->Oid;
SET_Response->MessageType = REMOTE_NDIS_SET_CMPLT;
SET_Response->MessageLength = sizeof(RNDIS_Set_Complete_t);
SET_Response->RequestId = SET_Message->RequestId;
void* SetData = &RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
SET_Message->InformationBufferOffset];
if (ProcessNDISSet(SET_Oid, SetData, SET_Message->InformationBufferLength))
SET_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
else
SET_Response->Status = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
break;
case REMOTE_NDIS_RESET_MSG:
/* Soft reset the adapter */
ResponseReady = true;
RNDIS_Reset_Complete_t* RESET_Response = (RNDIS_Reset_Complete_t*)&RNDISMessageBuffer;
RESET_Response->MessageType = REMOTE_NDIS_RESET_CMPLT;
RESET_Response->MessageLength = sizeof(RNDIS_Reset_Complete_t);
RESET_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
RESET_Response->AddressingReset = 0;
break;
case REMOTE_NDIS_KEEPALIVE_MSG:
/* Keep alive message sent to the adapter every 5 seconds when idle to ensure it is still responding */
ResponseReady = true;
RNDIS_KeepAlive_Message_t* KEEPALIVE_Message = (RNDIS_KeepAlive_Message_t*)&RNDISMessageBuffer;
RNDIS_KeepAlive_Complete_t* KEEPALIVE_Response = (RNDIS_KeepAlive_Complete_t*)&RNDISMessageBuffer;
KEEPALIVE_Response->MessageType = REMOTE_NDIS_KEEPALIVE_CMPLT;
KEEPALIVE_Response->MessageLength = sizeof(RNDIS_KeepAlive_Complete_t);
KEEPALIVE_Response->RequestId = KEEPALIVE_Message->RequestId;
KEEPALIVE_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
break;
}
}
/** Processes RNDIS query commands, retrieving information from the adapter and reporting it back to the host. The requested
* parameter is given as an OID value.
*
* \param[in] OId OId value of the parameter being queried
* \param[in] QueryData Pointer to any extra query data being sent by the host to the device inside the RNDIS message buffer
* \param[in] QuerySize Size in bytes of the extra query data being sent by the host
* \param[out] ResponseData Pointer to the start of the query response inside the RNDIS message buffer
* \param[out] ResponseSize Pointer to the size in bytes of the response data being sent to the host
*
* \return Boolean true if the query was handled, false otherwise
*/
static bool ProcessNDISQuery(uint32_t OId, void* QueryData, uint16_t QuerySize,
void* ResponseData, uint16_t* ResponseSize)
{
/* Handler for REMOTE_NDIS_QUERY_MSG messages */
switch (OId)
{
case OID_GEN_SUPPORTED_LIST:
*ResponseSize = sizeof(AdapterSupportedOIDList);
/* Copy the list of supported NDIS OID tokens to the response buffer */
memcpy_P(ResponseData, AdapterSupportedOIDList, sizeof(AdapterSupportedOIDList));
return true;
case OID_GEN_PHYSICAL_MEDIUM:
*ResponseSize = sizeof(uint32_t);
/* Indicate that the device is a true ethernet link */
*((uint32_t*)ResponseData) = 0;
return true;
case OID_GEN_HARDWARE_STATUS:
*ResponseSize = sizeof(uint32_t);
/* Always indicate hardware ready */
*((uint32_t*)ResponseData) = NdisHardwareStatusReady;
return true;
case OID_GEN_MEDIA_SUPPORTED:
case OID_GEN_MEDIA_IN_USE:
*ResponseSize = sizeof(uint32_t);
/* Indicate 802.3 (Ethernet) supported by the adapter */
*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIUM_802_3;
return true;
case OID_GEN_VENDOR_ID:
*ResponseSize = sizeof(uint32_t);
/* Vendor ID 0x0xFFFFFF is reserved for vendors who have not purchased a NDIS VID */
*((uint32_t*)ResponseData) = 0x00FFFFFF;
return true;
case OID_GEN_MAXIMUM_FRAME_SIZE:
case OID_GEN_TRANSMIT_BLOCK_SIZE:
case OID_GEN_RECEIVE_BLOCK_SIZE:
*ResponseSize = sizeof(uint32_t);
/* Indicate that the maximum frame size is the size of the ethernet frame buffer */
*((uint32_t*)ResponseData) = ETHERNET_FRAME_SIZE_MAX;
return true;
case OID_GEN_VENDOR_DESCRIPTION:
*ResponseSize = sizeof(AdapterVendorDescription);
/* Copy vendor description string to the response buffer */
memcpy_P(ResponseData, AdapterVendorDescription, sizeof(AdapterVendorDescription));
return true;
case OID_GEN_MEDIA_CONNECT_STATUS:
*ResponseSize = sizeof(uint32_t);
/* Always indicate that the adapter is connected to a network */
*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIA_STATE_CONNECTED;
return true;
case OID_GEN_LINK_SPEED:
*ResponseSize = sizeof(uint32_t);
/* Indicate 10Mb/s link speed */
*((uint32_t*)ResponseData) = 100000;
return true;
case OID_802_3_PERMANENT_ADDRESS:
case OID_802_3_CURRENT_ADDRESS:
*ResponseSize = sizeof(MAC_Address_t);
/* Copy over the fixed adapter MAC to the response buffer */
memcpy_P(ResponseData, &AdapterMACAddress, sizeof(MAC_Address_t));
return true;
case OID_802_3_MAXIMUM_LIST_SIZE:
*ResponseSize = sizeof(uint32_t);
/* Indicate only one multicast address supported */
*((uint32_t*)ResponseData) = 1;
return true;
case OID_GEN_CURRENT_PACKET_FILTER:
*ResponseSize = sizeof(uint32_t);
/* Indicate the current packet filter mask */
*((uint32_t*)ResponseData) = CurrPacketFilter;
return true;
case OID_GEN_XMIT_OK:
case OID_GEN_RCV_OK:
case OID_GEN_XMIT_ERROR:
case OID_GEN_RCV_ERROR:
case OID_GEN_RCV_NO_BUFFER:
case OID_802_3_RCV_ERROR_ALIGNMENT:
case OID_802_3_XMIT_ONE_COLLISION:
case OID_802_3_XMIT_MORE_COLLISIONS:
*ResponseSize = sizeof(uint32_t);
/* Unused statistic OIDs - always return 0 for each */
*((uint32_t*)ResponseData) = 0;
return true;
case OID_GEN_MAXIMUM_TOTAL_SIZE:
*ResponseSize = sizeof(uint32_t);
/* Indicate maximum overall buffer (Ethernet frame and RNDIS header) the adapter can handle */
*((uint32_t*)ResponseData) = (sizeof(RNDISMessageBuffer) + ETHERNET_FRAME_SIZE_MAX);
return true;
default:
return false;
}
}
/** Processes RNDIS set commands, setting adapter parameters to values given by the host. The requested parameter is given
* as an OID value.
*
* \param[in] OId OId value of the parameter being set
* \param[in] SetData Pointer to the parameter value in the RNDIS message buffer
* \param[in] SetSize Size in bytes of the parameter value being sent by the host
*
* \return Boolean true if the set was handled, false otherwise
*/
static bool ProcessNDISSet(uint32_t OId, void* SetData, uint16_t SetSize)
{
/* Handler for REMOTE_NDIS_SET_MSG messages */
switch (OId)
{
case OID_GEN_CURRENT_PACKET_FILTER:
/* Save the packet filter mask in case the host queries it again later */
CurrPacketFilter = *((uint32_t*)SetData);
/* Set the RNDIS state to initialized if the packet filter is non-zero */
CurrRNDISState = ((CurrPacketFilter) ? RNDIS_Data_Initialized : RNDIS_Data_Initialized);
return true;
case OID_802_3_MULTICAST_LIST:
/* Do nothing - throw away the value from the host as it is unused */
return true;
default:
return false;
}
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* RNDIS command handler functions. This handles RNDIS commands according to
* the Microsoft RNDIS specification, creating a USB Ethernet network adapter.
*/
#define INCLUDE_FROM_RNDIS_C
#include "RNDIS.h"
/** Physical MAC address of the network adapter, which becomes the MAC address of the host for packets sent to the adapter. */
static MAC_Address_t PROGMEM AdapterMACAddress = {ADAPTER_MAC_ADDRESS};
/** Vendor description of the adapter. This is overridden by the INF file required to install the appropriate RNDIS drivers for
* the device, but may still be used by the OS in some circumstances.
*/
static char PROGMEM AdapterVendorDescription[] = "LUFA RNDIS Adapter";
/** List of RNDIS OID commands supported by this adapter. */
static const uint32_t PROGMEM AdapterSupportedOIDList[] =
{
OID_GEN_SUPPORTED_LIST,
OID_GEN_PHYSICAL_MEDIUM,
OID_GEN_HARDWARE_STATUS,
OID_GEN_MEDIA_SUPPORTED,
OID_GEN_MEDIA_IN_USE,
OID_GEN_MAXIMUM_FRAME_SIZE,
OID_GEN_MAXIMUM_TOTAL_SIZE,
OID_GEN_LINK_SPEED,
OID_GEN_TRANSMIT_BLOCK_SIZE,
OID_GEN_RECEIVE_BLOCK_SIZE,
OID_GEN_VENDOR_ID,
OID_GEN_VENDOR_DESCRIPTION,
OID_GEN_CURRENT_PACKET_FILTER,
OID_GEN_MAXIMUM_TOTAL_SIZE,
OID_GEN_MEDIA_CONNECT_STATUS,
OID_GEN_XMIT_OK,
OID_GEN_RCV_OK,
OID_GEN_XMIT_ERROR,
OID_GEN_RCV_ERROR,
OID_GEN_RCV_NO_BUFFER,
OID_802_3_PERMANENT_ADDRESS,
OID_802_3_CURRENT_ADDRESS,
OID_802_3_MULTICAST_LIST,
OID_802_3_MAXIMUM_LIST_SIZE,
OID_802_3_RCV_ERROR_ALIGNMENT,
OID_802_3_XMIT_ONE_COLLISION,
OID_802_3_XMIT_MORE_COLLISIONS,
};
/** Buffer for RNDIS messages (as distinct from Ethernet frames sent through the adapter. This must be big enough to hold the entire
* Supported OID list, plus the response header. The buffer is half-duplex, and is written to as it is read to save on SRAM - for this
* reason, care must be taken when constructing RNDIS responses that unread data is not overwritten when writing in responses.
*/
uint8_t RNDISMessageBuffer[sizeof(AdapterSupportedOIDList) + sizeof(RNDIS_Query_Complete_t)];
/** Pointer to the RNDIS message header at the top of the RNDIS message buffer, for convenience. */
RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISMessageBuffer;
/** Indicates if a RNDIS message response is ready to be sent back to the host. */
bool ResponseReady = false;
/** Current RNDIS adapter state, a value from the RNDIS_States_t enum. */
uint8_t CurrRNDISState = RNDIS_Uninitialized;
/** Current Ethernet packet filter mask. This is non-zero when the adapter is initialized, or zero when disabled. */
uint32_t CurrPacketFilter = 0;
/** Processes the RNDIS message received by the host and stored in the RNDISMessageBuffer global buffer. If a response is
* created, the ResponseReady global is updated so that the response is written back to the host upon request.
*/
void ProcessRNDISControlMessage(void)
{
/* Note: Only a single buffer is used for both the received message and its response to save SRAM. Because of
this, response bytes should be filled in order so that they do not clobber unread data in the buffer. */
switch (MessageHeader->MessageType)
{
case REMOTE_NDIS_INITIALIZE_MSG:
/* Initialize the adapter - return information about the supported RNDIS version and buffer sizes */
ResponseReady = true;
RNDIS_Initialize_Message_t* INITIALIZE_Message = (RNDIS_Initialize_Message_t*)&RNDISMessageBuffer;
RNDIS_Initialize_Complete_t* INITIALIZE_Response = (RNDIS_Initialize_Complete_t*)&RNDISMessageBuffer;
INITIALIZE_Response->MessageType = REMOTE_NDIS_INITIALIZE_CMPLT;
INITIALIZE_Response->MessageLength = sizeof(RNDIS_Initialize_Complete_t);
INITIALIZE_Response->RequestId = INITIALIZE_Message->RequestId;
INITIALIZE_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
INITIALIZE_Response->MajorVersion = REMOTE_NDIS_VERSION_MAJOR;
INITIALIZE_Response->MinorVersion = REMOTE_NDIS_VERSION_MINOR;
INITIALIZE_Response->DeviceFlags = REMOTE_NDIS_DF_CONNECTIONLESS;
INITIALIZE_Response->Medium = REMOTE_NDIS_MEDIUM_802_3;
INITIALIZE_Response->MaxPacketsPerTransfer = 1;
INITIALIZE_Response->MaxTransferSize = (sizeof(RNDIS_Packet_Message_t) + ETHERNET_FRAME_SIZE_MAX);
INITIALIZE_Response->PacketAlignmentFactor = 0;
INITIALIZE_Response->AFListOffset = 0;
INITIALIZE_Response->AFListSize = 0;
CurrRNDISState = RNDIS_Initialized;
break;
case REMOTE_NDIS_HALT_MSG:
/* Halt the adapter, reset the adapter state - note that no response should be returned when completed */
ResponseReady = false;
MessageHeader->MessageLength = 0;
CurrRNDISState = RNDIS_Uninitialized;
break;
case REMOTE_NDIS_QUERY_MSG:
/* Request for information about a parameter about the adapter, specified as an OID token */
ResponseReady = true;
RNDIS_Query_Message_t* QUERY_Message = (RNDIS_Query_Message_t*)&RNDISMessageBuffer;
RNDIS_Query_Complete_t* QUERY_Response = (RNDIS_Query_Complete_t*)&RNDISMessageBuffer;
uint32_t Query_Oid = QUERY_Message->Oid;
void* QueryData = &RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
QUERY_Message->InformationBufferOffset];
void* ResponseData = &RNDISMessageBuffer[sizeof(RNDIS_Query_Complete_t)];
uint16_t ResponseSize;
QUERY_Response->MessageType = REMOTE_NDIS_QUERY_CMPLT;
QUERY_Response->MessageLength = sizeof(RNDIS_Query_Complete_t);
if (ProcessNDISQuery(Query_Oid, QueryData, QUERY_Message->InformationBufferLength,
ResponseData, &ResponseSize))
{
QUERY_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
QUERY_Response->MessageLength += ResponseSize;
QUERY_Response->InformationBufferLength = ResponseSize;
QUERY_Response->InformationBufferOffset = (sizeof(RNDIS_Query_Complete_t) - sizeof(RNDIS_Message_Header_t));
}
else
{
QUERY_Response->Status = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
QUERY_Response->InformationBufferLength = 0;
QUERY_Response->InformationBufferOffset = 0;
}
break;
case REMOTE_NDIS_SET_MSG:
/* Request to set a parameter of the adapter, specified as an OID token */
ResponseReady = true;
RNDIS_Set_Message_t* SET_Message = (RNDIS_Set_Message_t*)&RNDISMessageBuffer;
RNDIS_Set_Complete_t* SET_Response = (RNDIS_Set_Complete_t*)&RNDISMessageBuffer;
uint32_t SET_Oid = SET_Message->Oid;
SET_Response->MessageType = REMOTE_NDIS_SET_CMPLT;
SET_Response->MessageLength = sizeof(RNDIS_Set_Complete_t);
SET_Response->RequestId = SET_Message->RequestId;
void* SetData = &RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
SET_Message->InformationBufferOffset];
if (ProcessNDISSet(SET_Oid, SetData, SET_Message->InformationBufferLength))
SET_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
else
SET_Response->Status = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
break;
case REMOTE_NDIS_RESET_MSG:
/* Soft reset the adapter */
ResponseReady = true;
RNDIS_Reset_Complete_t* RESET_Response = (RNDIS_Reset_Complete_t*)&RNDISMessageBuffer;
RESET_Response->MessageType = REMOTE_NDIS_RESET_CMPLT;
RESET_Response->MessageLength = sizeof(RNDIS_Reset_Complete_t);
RESET_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
RESET_Response->AddressingReset = 0;
break;
case REMOTE_NDIS_KEEPALIVE_MSG:
/* Keep alive message sent to the adapter every 5 seconds when idle to ensure it is still responding */
ResponseReady = true;
RNDIS_KeepAlive_Message_t* KEEPALIVE_Message = (RNDIS_KeepAlive_Message_t*)&RNDISMessageBuffer;
RNDIS_KeepAlive_Complete_t* KEEPALIVE_Response = (RNDIS_KeepAlive_Complete_t*)&RNDISMessageBuffer;
KEEPALIVE_Response->MessageType = REMOTE_NDIS_KEEPALIVE_CMPLT;
KEEPALIVE_Response->MessageLength = sizeof(RNDIS_KeepAlive_Complete_t);
KEEPALIVE_Response->RequestId = KEEPALIVE_Message->RequestId;
KEEPALIVE_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
break;
}
}
/** Processes RNDIS query commands, retrieving information from the adapter and reporting it back to the host. The requested
* parameter is given as an OID value.
*
* \param[in] OId OId value of the parameter being queried
* \param[in] QueryData Pointer to any extra query data being sent by the host to the device inside the RNDIS message buffer
* \param[in] QuerySize Size in bytes of the extra query data being sent by the host
* \param[out] ResponseData Pointer to the start of the query response inside the RNDIS message buffer
* \param[out] ResponseSize Pointer to the size in bytes of the response data being sent to the host
*
* \return Boolean true if the query was handled, false otherwise
*/
static bool ProcessNDISQuery(uint32_t OId, void* QueryData, uint16_t QuerySize,
void* ResponseData, uint16_t* ResponseSize)
{
/* Handler for REMOTE_NDIS_QUERY_MSG messages */
switch (OId)
{
case OID_GEN_SUPPORTED_LIST:
*ResponseSize = sizeof(AdapterSupportedOIDList);
/* Copy the list of supported NDIS OID tokens to the response buffer */
memcpy_P(ResponseData, AdapterSupportedOIDList, sizeof(AdapterSupportedOIDList));
return true;
case OID_GEN_PHYSICAL_MEDIUM:
*ResponseSize = sizeof(uint32_t);
/* Indicate that the device is a true ethernet link */
*((uint32_t*)ResponseData) = 0;
return true;
case OID_GEN_HARDWARE_STATUS:
*ResponseSize = sizeof(uint32_t);
/* Always indicate hardware ready */
*((uint32_t*)ResponseData) = NdisHardwareStatusReady;
return true;
case OID_GEN_MEDIA_SUPPORTED:
case OID_GEN_MEDIA_IN_USE:
*ResponseSize = sizeof(uint32_t);
/* Indicate 802.3 (Ethernet) supported by the adapter */
*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIUM_802_3;
return true;
case OID_GEN_VENDOR_ID:
*ResponseSize = sizeof(uint32_t);
/* Vendor ID 0x0xFFFFFF is reserved for vendors who have not purchased a NDIS VID */
*((uint32_t*)ResponseData) = 0x00FFFFFF;
return true;
case OID_GEN_MAXIMUM_FRAME_SIZE:
case OID_GEN_TRANSMIT_BLOCK_SIZE:
case OID_GEN_RECEIVE_BLOCK_SIZE:
*ResponseSize = sizeof(uint32_t);
/* Indicate that the maximum frame size is the size of the ethernet frame buffer */
*((uint32_t*)ResponseData) = ETHERNET_FRAME_SIZE_MAX;
return true;
case OID_GEN_VENDOR_DESCRIPTION:
*ResponseSize = sizeof(AdapterVendorDescription);
/* Copy vendor description string to the response buffer */
memcpy_P(ResponseData, AdapterVendorDescription, sizeof(AdapterVendorDescription));
return true;
case OID_GEN_MEDIA_CONNECT_STATUS:
*ResponseSize = sizeof(uint32_t);
/* Always indicate that the adapter is connected to a network */
*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIA_STATE_CONNECTED;
return true;
case OID_GEN_LINK_SPEED:
*ResponseSize = sizeof(uint32_t);
/* Indicate 10Mb/s link speed */
*((uint32_t*)ResponseData) = 100000;
return true;
case OID_802_3_PERMANENT_ADDRESS:
case OID_802_3_CURRENT_ADDRESS:
*ResponseSize = sizeof(MAC_Address_t);
/* Copy over the fixed adapter MAC to the response buffer */
memcpy_P(ResponseData, &AdapterMACAddress, sizeof(MAC_Address_t));
return true;
case OID_802_3_MAXIMUM_LIST_SIZE:
*ResponseSize = sizeof(uint32_t);
/* Indicate only one multicast address supported */
*((uint32_t*)ResponseData) = 1;
return true;
case OID_GEN_CURRENT_PACKET_FILTER:
*ResponseSize = sizeof(uint32_t);
/* Indicate the current packet filter mask */
*((uint32_t*)ResponseData) = CurrPacketFilter;
return true;
case OID_GEN_XMIT_OK:
case OID_GEN_RCV_OK:
case OID_GEN_XMIT_ERROR:
case OID_GEN_RCV_ERROR:
case OID_GEN_RCV_NO_BUFFER:
case OID_802_3_RCV_ERROR_ALIGNMENT:
case OID_802_3_XMIT_ONE_COLLISION:
case OID_802_3_XMIT_MORE_COLLISIONS:
*ResponseSize = sizeof(uint32_t);
/* Unused statistic OIDs - always return 0 for each */
*((uint32_t*)ResponseData) = 0;
return true;
case OID_GEN_MAXIMUM_TOTAL_SIZE:
*ResponseSize = sizeof(uint32_t);
/* Indicate maximum overall buffer (Ethernet frame and RNDIS header) the adapter can handle */
*((uint32_t*)ResponseData) = (sizeof(RNDISMessageBuffer) + ETHERNET_FRAME_SIZE_MAX);
return true;
default:
return false;
}
}
/** Processes RNDIS set commands, setting adapter parameters to values given by the host. The requested parameter is given
* as an OID value.
*
* \param[in] OId OId value of the parameter being set
* \param[in] SetData Pointer to the parameter value in the RNDIS message buffer
* \param[in] SetSize Size in bytes of the parameter value being sent by the host
*
* \return Boolean true if the set was handled, false otherwise
*/
static bool ProcessNDISSet(uint32_t OId, void* SetData, uint16_t SetSize)
{
/* Handler for REMOTE_NDIS_SET_MSG messages */
switch (OId)
{
case OID_GEN_CURRENT_PACKET_FILTER:
/* Save the packet filter mask in case the host queries it again later */
CurrPacketFilter = *((uint32_t*)SetData);
/* Set the RNDIS state to initialized if the packet filter is non-zero */
CurrRNDISState = ((CurrPacketFilter) ? RNDIS_Data_Initialized : RNDIS_Data_Initialized);
return true;
case OID_802_3_MULTICAST_LIST:
/* Do nothing - throw away the value from the host as it is unused */
return true;
default:
return false;
}
}

446
Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.h
View file

@ -1,223 +1,223 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 RNDIS.c.
*/
#ifndef _RNDIS_H_
#define _RNDIS_H_
/* Includes: */
#include <avr/io.h>
#include <stdbool.h>
#include "RNDISEthernet.h"
#include "RNDISConstants.h"
#include "Ethernet.h"
/* Macros: */
/** Implemented RNDIS Version Major */
#define REMOTE_NDIS_VERSION_MAJOR 0x01
/** Implemented RNDIS Version Minor */
#define REMOTE_NDIS_VERSION_MINOR 0x00
/** RNDIS request to issue a host-to-device NDIS command */
#define REQ_SendEncapsulatedCommand 0x00
/** RNDIS request to issue a device-to-host NDIS response */
#define REQ_GetEncapsulatedResponse 0x01
/* Enums: */
/** Enum for the possible NDIS adapter states. */
enum RNDIS_States_t
{
RNDIS_Uninitialized = 0, /**< Adapter currently uninitialized */
RNDIS_Initialized = 1, /**< Adapter currently initialized but not ready for data transfers */
RNDIS_Data_Initialized = 2, /**< Adapter currently initialized and ready for data transfers */
};
/** Enum for the NDIS hardware states */
enum NDIS_Hardware_Status_t
{
NdisHardwareStatusReady, /**< Hardware Ready to accept commands from the host */
NdisHardwareStatusInitializing, /**< Hardware busy initializing */
NdisHardwareStatusReset, /**< Hardware reset */
NdisHardwareStatusClosing, /**< Hardware currently closing */
NdisHardwareStatusNotReady /**< Hardware not ready to accept commands from the host */
};
/* Type Defines: */
/** Type define for a RNDIS message header, sent before RNDIS messages */
typedef struct
{
uint32_t MessageType; /**< RNDIS message type, a REMOTE_NDIS_*_MSG constant */
uint32_t MessageLength; /**< Total length of the RNDIS message, in bytes */
} RNDIS_Message_Header_t;
/** Type define for a RNDIS packet message, used to encapsulate Ethernet packets sent to and from the adapter */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t DataOffset;
uint32_t DataLength;
uint32_t OOBDataOffset;
uint32_t OOBDataLength;
uint32_t NumOOBDataElements;
uint32_t PerPacketInfoOffset;
uint32_t PerPacketInfoLength;
uint32_t VcHandle;
uint32_t Reserved;
} RNDIS_Packet_Message_t;
/** Type define for a RNDIS Initialize command message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t MajorVersion;
uint32_t MinorVersion;
uint32_t MaxTransferSize;
} RNDIS_Initialize_Message_t;
/** Type define for a RNDIS Initialize complete response message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Status;
uint32_t MajorVersion;
uint32_t MinorVersion;
uint32_t DeviceFlags;
uint32_t Medium;
uint32_t MaxPacketsPerTransfer;
uint32_t MaxTransferSize;
uint32_t PacketAlignmentFactor;
uint32_t AFListOffset;
uint32_t AFListSize;
} RNDIS_Initialize_Complete_t;
/** Type define for a RNDIS Keepalive command message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
} RNDIS_KeepAlive_Message_t;
/** Type define for a RNDIS Keepalive complete message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Status;
} RNDIS_KeepAlive_Complete_t;
/** Type define for a RNDIS Reset complete message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t Status;
uint32_t AddressingReset;
} RNDIS_Reset_Complete_t;
/** Type define for a RNDIS Set command message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Oid;
uint32_t InformationBufferLength;
uint32_t InformationBufferOffset;
uint32_t DeviceVcHandle;
} RNDIS_Set_Message_t;
/** Type define for a RNDIS Set complete response message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Status;
} RNDIS_Set_Complete_t;
/** Type define for a RNDIS Query command message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Oid;
uint32_t InformationBufferLength;
uint32_t InformationBufferOffset;
uint32_t DeviceVcHandle;
} RNDIS_Query_Message_t;
/** Type define for a RNDIS Query complete response message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Status;
uint32_t InformationBufferLength;
uint32_t InformationBufferOffset;
} RNDIS_Query_Complete_t;
/* External Variables: */
extern uint8_t RNDISMessageBuffer[];
extern RNDIS_Message_Header_t* MessageHeader;
extern bool ResponseReady;
extern uint8_t CurrRNDISState;
/* Function Prototypes: */
void ProcessRNDISControlMessage(void);
#if defined(INCLUDE_FROM_RNDIS_C)
static bool ProcessNDISQuery(uint32_t OId, void* QueryData, uint16_t QuerySize,
void* ResponseData, uint16_t* ResponseSize);
static bool ProcessNDISSet(uint32_t OId, void* SetData, uint16_t SetSize);
#endif
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 RNDIS.c.
*/
#ifndef _RNDIS_H_
#define _RNDIS_H_
/* Includes: */
#include <avr/io.h>
#include <stdbool.h>
#include "RNDISEthernet.h"
#include "RNDISConstants.h"
#include "Ethernet.h"
/* Macros: */
/** Implemented RNDIS Version Major */
#define REMOTE_NDIS_VERSION_MAJOR 0x01
/** Implemented RNDIS Version Minor */
#define REMOTE_NDIS_VERSION_MINOR 0x00
/** RNDIS request to issue a host-to-device NDIS command */
#define REQ_SendEncapsulatedCommand 0x00
/** RNDIS request to issue a device-to-host NDIS response */
#define REQ_GetEncapsulatedResponse 0x01
/* Enums: */
/** Enum for the possible NDIS adapter states. */
enum RNDIS_States_t
{
RNDIS_Uninitialized = 0, /**< Adapter currently uninitialized */
RNDIS_Initialized = 1, /**< Adapter currently initialized but not ready for data transfers */
RNDIS_Data_Initialized = 2, /**< Adapter currently initialized and ready for data transfers */
};
/** Enum for the NDIS hardware states */
enum NDIS_Hardware_Status_t
{
NdisHardwareStatusReady, /**< Hardware Ready to accept commands from the host */
NdisHardwareStatusInitializing, /**< Hardware busy initializing */
NdisHardwareStatusReset, /**< Hardware reset */
NdisHardwareStatusClosing, /**< Hardware currently closing */
NdisHardwareStatusNotReady /**< Hardware not ready to accept commands from the host */
};
/* Type Defines: */
/** Type define for a RNDIS message header, sent before RNDIS messages */
typedef struct
{
uint32_t MessageType; /**< RNDIS message type, a REMOTE_NDIS_*_MSG constant */
uint32_t MessageLength; /**< Total length of the RNDIS message, in bytes */
} RNDIS_Message_Header_t;
/** Type define for a RNDIS packet message, used to encapsulate Ethernet packets sent to and from the adapter */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t DataOffset;
uint32_t DataLength;
uint32_t OOBDataOffset;
uint32_t OOBDataLength;
uint32_t NumOOBDataElements;
uint32_t PerPacketInfoOffset;
uint32_t PerPacketInfoLength;
uint32_t VcHandle;
uint32_t Reserved;
} RNDIS_Packet_Message_t;
/** Type define for a RNDIS Initialize command message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t MajorVersion;
uint32_t MinorVersion;
uint32_t MaxTransferSize;
} RNDIS_Initialize_Message_t;
/** Type define for a RNDIS Initialize complete response message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Status;
uint32_t MajorVersion;
uint32_t MinorVersion;
uint32_t DeviceFlags;
uint32_t Medium;
uint32_t MaxPacketsPerTransfer;
uint32_t MaxTransferSize;
uint32_t PacketAlignmentFactor;
uint32_t AFListOffset;
uint32_t AFListSize;
} RNDIS_Initialize_Complete_t;
/** Type define for a RNDIS Keepalive command message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
} RNDIS_KeepAlive_Message_t;
/** Type define for a RNDIS Keepalive complete message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Status;
} RNDIS_KeepAlive_Complete_t;
/** Type define for a RNDIS Reset complete message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t Status;
uint32_t AddressingReset;
} RNDIS_Reset_Complete_t;
/** Type define for a RNDIS Set command message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Oid;
uint32_t InformationBufferLength;
uint32_t InformationBufferOffset;
uint32_t DeviceVcHandle;
} RNDIS_Set_Message_t;
/** Type define for a RNDIS Set complete response message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Status;
} RNDIS_Set_Complete_t;
/** Type define for a RNDIS Query command message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Oid;
uint32_t InformationBufferLength;
uint32_t InformationBufferOffset;
uint32_t DeviceVcHandle;
} RNDIS_Query_Message_t;
/** Type define for a RNDIS Query complete response message */
typedef struct
{
uint32_t MessageType;
uint32_t MessageLength;
uint32_t RequestId;
uint32_t Status;
uint32_t InformationBufferLength;
uint32_t InformationBufferOffset;
} RNDIS_Query_Complete_t;
/* External Variables: */
extern uint8_t RNDISMessageBuffer[];
extern RNDIS_Message_Header_t* MessageHeader;
extern bool ResponseReady;
extern uint8_t CurrRNDISState;
/* Function Prototypes: */
void ProcessRNDISControlMessage(void);
#if defined(INCLUDE_FROM_RNDIS_C)
static bool ProcessNDISQuery(uint32_t OId, void* QueryData, uint16_t QuerySize,
void* ResponseData, uint16_t* ResponseSize);
static bool ProcessNDISSet(uint32_t OId, void* SetData, uint16_t SetSize);
#endif
#endif

224
Demos/Device/LowLevel/RNDISEthernet/Lib/RNDISConstants.h
View file

@ -1,112 +1,112 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* RNDIS specification related constants. For more information on these
* constants, please refer to the Microsoft RNDIS specification.
*/
#ifndef _RNDIS_CONSTANTS_DEVICE_H_
#define _RNDIS_CONSTANTS_DEVICE_H_
/* Macros: */
#define REMOTE_NDIS_PACKET_MSG 0x00000001UL
#define REMOTE_NDIS_INITIALIZE_MSG 0x00000002UL
#define REMOTE_NDIS_HALT_MSG 0x00000003UL
#define REMOTE_NDIS_QUERY_MSG 0x00000004UL
#define REMOTE_NDIS_SET_MSG 0x00000005UL
#define REMOTE_NDIS_RESET_MSG 0x00000006UL
#define REMOTE_NDIS_INDICATE_STATUS_MSG 0x00000007UL
#define REMOTE_NDIS_KEEPALIVE_MSG 0x00000008UL
#define REMOTE_NDIS_INITIALIZE_CMPLT 0x80000002UL
#define REMOTE_NDIS_QUERY_CMPLT 0x80000004UL
#define REMOTE_NDIS_SET_CMPLT 0x80000005UL
#define REMOTE_NDIS_RESET_CMPLT 0x80000006UL
#define REMOTE_NDIS_KEEPALIVE_CMPLT 0x80000008UL
#define REMOTE_NDIS_STATUS_SUCCESS 0x00000000UL
#define REMOTE_NDIS_STATUS_FAILURE 0xC0000001UL
#define REMOTE_NDIS_STATUS_INVALID_DATA 0xC0010015UL
#define REMOTE_NDIS_STATUS_NOT_SUPPORTED 0xC00000BBUL
#define REMOTE_NDIS_STATUS_MEDIA_CONNECT 0x4001000BUL
#define REMOTE_NDIS_STATUS_MEDIA_DISCONNECT 0x4001000CUL
#define REMOTE_NDIS_MEDIA_STATE_CONNECTED 0x00000000UL
#define REMOTE_NDIS_MEDIA_STATE_DISCONNECTED 0x00000001UL
#define REMOTE_NDIS_MEDIUM_802_3 0x00000000UL
#define REMOTE_NDIS_DF_CONNECTIONLESS 0x00000001UL
#define REMOTE_NDIS_DF_CONNECTION_ORIENTED 0x00000002UL
#define REMOTE_NDIS_PACKET_DIRECTED 0x00000001UL
#define REMOTE_NDIS_PACKET_MULTICAST 0x00000002UL
#define REMOTE_NDIS_PACKET_ALL_MULTICAST 0x00000004UL
#define REMOTE_NDIS_PACKET_BROADCAST 0x00000008UL
#define REMOTE_NDIS_PACKET_SOURCE_ROUTING 0x00000010UL
#define REMOTE_NDIS_PACKET_PROMISCUOUS 0x00000020UL
#define REMOTE_NDIS_PACKET_SMT 0x00000040UL
#define REMOTE_NDIS_PACKET_ALL_LOCAL 0x00000080UL
#define REMOTE_NDIS_PACKET_GROUP 0x00001000UL
#define REMOTE_NDIS_PACKET_ALL_FUNCTIONAL 0x00002000UL
#define REMOTE_NDIS_PACKET_FUNCTIONAL 0x00004000UL
#define REMOTE_NDIS_PACKET_MAC_FRAME 0x00008000UL
#define OID_GEN_SUPPORTED_LIST 0x00010101UL
#define OID_GEN_HARDWARE_STATUS 0x00010102UL
#define OID_GEN_MEDIA_SUPPORTED 0x00010103UL
#define OID_GEN_MEDIA_IN_USE 0x00010104UL
#define OID_GEN_MAXIMUM_FRAME_SIZE 0x00010106UL
#define OID_GEN_MAXIMUM_TOTAL_SIZE 0x00010111UL
#define OID_GEN_LINK_SPEED 0x00010107UL
#define OID_GEN_TRANSMIT_BLOCK_SIZE 0x0001010AUL
#define OID_GEN_RECEIVE_BLOCK_SIZE 0x0001010BUL
#define OID_GEN_VENDOR_ID 0x0001010CUL
#define OID_GEN_VENDOR_DESCRIPTION 0x0001010DUL
#define OID_GEN_CURRENT_PACKET_FILTER 0x0001010EUL
#define OID_GEN_MAXIMUM_TOTAL_SIZE 0x00010111UL
#define OID_GEN_MEDIA_CONNECT_STATUS 0x00010114UL
#define OID_GEN_PHYSICAL_MEDIUM 0x00010202UL
#define OID_GEN_XMIT_OK 0x00020101UL
#define OID_GEN_RCV_OK 0x00020102UL
#define OID_GEN_XMIT_ERROR 0x00020103UL
#define OID_GEN_RCV_ERROR 0x00020104UL
#define OID_GEN_RCV_NO_BUFFER 0x00020105UL
#define OID_802_3_PERMANENT_ADDRESS 0x01010101UL
#define OID_802_3_CURRENT_ADDRESS 0x01010102UL
#define OID_802_3_MULTICAST_LIST 0x01010103UL
#define OID_802_3_MAXIMUM_LIST_SIZE 0x01010104UL
#define OID_802_3_RCV_ERROR_ALIGNMENT 0x01020101UL
#define OID_802_3_XMIT_ONE_COLLISION 0x01020102UL
#define OID_802_3_XMIT_MORE_COLLISIONS 0x01020103UL
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* RNDIS specification related constants. For more information on these
* constants, please refer to the Microsoft RNDIS specification.
*/
#ifndef _RNDIS_CONSTANTS_DEVICE_H_
#define _RNDIS_CONSTANTS_DEVICE_H_
/* Macros: */
#define REMOTE_NDIS_PACKET_MSG 0x00000001UL
#define REMOTE_NDIS_INITIALIZE_MSG 0x00000002UL
#define REMOTE_NDIS_HALT_MSG 0x00000003UL
#define REMOTE_NDIS_QUERY_MSG 0x00000004UL
#define REMOTE_NDIS_SET_MSG 0x00000005UL
#define REMOTE_NDIS_RESET_MSG 0x00000006UL
#define REMOTE_NDIS_INDICATE_STATUS_MSG 0x00000007UL
#define REMOTE_NDIS_KEEPALIVE_MSG 0x00000008UL
#define REMOTE_NDIS_INITIALIZE_CMPLT 0x80000002UL
#define REMOTE_NDIS_QUERY_CMPLT 0x80000004UL
#define REMOTE_NDIS_SET_CMPLT 0x80000005UL
#define REMOTE_NDIS_RESET_CMPLT 0x80000006UL
#define REMOTE_NDIS_KEEPALIVE_CMPLT 0x80000008UL
#define REMOTE_NDIS_STATUS_SUCCESS 0x00000000UL
#define REMOTE_NDIS_STATUS_FAILURE 0xC0000001UL
#define REMOTE_NDIS_STATUS_INVALID_DATA 0xC0010015UL
#define REMOTE_NDIS_STATUS_NOT_SUPPORTED 0xC00000BBUL
#define REMOTE_NDIS_STATUS_MEDIA_CONNECT 0x4001000BUL
#define REMOTE_NDIS_STATUS_MEDIA_DISCONNECT 0x4001000CUL
#define REMOTE_NDIS_MEDIA_STATE_CONNECTED 0x00000000UL
#define REMOTE_NDIS_MEDIA_STATE_DISCONNECTED 0x00000001UL
#define REMOTE_NDIS_MEDIUM_802_3 0x00000000UL
#define REMOTE_NDIS_DF_CONNECTIONLESS 0x00000001UL
#define REMOTE_NDIS_DF_CONNECTION_ORIENTED 0x00000002UL
#define REMOTE_NDIS_PACKET_DIRECTED 0x00000001UL
#define REMOTE_NDIS_PACKET_MULTICAST 0x00000002UL
#define REMOTE_NDIS_PACKET_ALL_MULTICAST 0x00000004UL
#define REMOTE_NDIS_PACKET_BROADCAST 0x00000008UL
#define REMOTE_NDIS_PACKET_SOURCE_ROUTING 0x00000010UL
#define REMOTE_NDIS_PACKET_PROMISCUOUS 0x00000020UL
#define REMOTE_NDIS_PACKET_SMT 0x00000040UL
#define REMOTE_NDIS_PACKET_ALL_LOCAL 0x00000080UL
#define REMOTE_NDIS_PACKET_GROUP 0x00001000UL
#define REMOTE_NDIS_PACKET_ALL_FUNCTIONAL 0x00002000UL
#define REMOTE_NDIS_PACKET_FUNCTIONAL 0x00004000UL
#define REMOTE_NDIS_PACKET_MAC_FRAME 0x00008000UL
#define OID_GEN_SUPPORTED_LIST 0x00010101UL
#define OID_GEN_HARDWARE_STATUS 0x00010102UL
#define OID_GEN_MEDIA_SUPPORTED 0x00010103UL
#define OID_GEN_MEDIA_IN_USE 0x00010104UL
#define OID_GEN_MAXIMUM_FRAME_SIZE 0x00010106UL
#define OID_GEN_MAXIMUM_TOTAL_SIZE 0x00010111UL
#define OID_GEN_LINK_SPEED 0x00010107UL
#define OID_GEN_TRANSMIT_BLOCK_SIZE 0x0001010AUL
#define OID_GEN_RECEIVE_BLOCK_SIZE 0x0001010BUL
#define OID_GEN_VENDOR_ID 0x0001010CUL
#define OID_GEN_VENDOR_DESCRIPTION 0x0001010DUL
#define OID_GEN_CURRENT_PACKET_FILTER 0x0001010EUL
#define OID_GEN_MAXIMUM_TOTAL_SIZE 0x00010111UL
#define OID_GEN_MEDIA_CONNECT_STATUS 0x00010114UL
#define OID_GEN_PHYSICAL_MEDIUM 0x00010202UL
#define OID_GEN_XMIT_OK 0x00020101UL
#define OID_GEN_RCV_OK 0x00020102UL
#define OID_GEN_XMIT_ERROR 0x00020103UL
#define OID_GEN_RCV_ERROR 0x00020104UL
#define OID_GEN_RCV_NO_BUFFER 0x00020105UL
#define OID_802_3_PERMANENT_ADDRESS 0x01010101UL
#define OID_802_3_CURRENT_ADDRESS 0x01010102UL
#define OID_802_3_MULTICAST_LIST 0x01010103UL
#define OID_802_3_MAXIMUM_LIST_SIZE 0x01010104UL
#define OID_802_3_RCV_ERROR_ALIGNMENT 0x01020101UL
#define OID_802_3_XMIT_ONE_COLLISION 0x01020102UL
#define OID_802_3_XMIT_MORE_COLLISIONS 0x01020103UL
#endif

1236
Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c
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498
Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.h
View file

@ -1,249 +1,249 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 TCP.c.
*/
#ifndef _TCP_H_
#define _TCP_H_
/* Includes: */
#include <avr/io.h>
#include <stdbool.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
/* Macros: */
/** Maximum number of TCP ports which can be open at the one time */
#define MAX_OPEN_TCP_PORTS 1
/** Maximum number of TCP connections which can be sustained at the one time */
#define MAX_TCP_CONNECTIONS 3
/** TCP window size, giving the maximum number of bytes which can be buffered at the one time */
#define TCP_WINDOW_SIZE 512
/** Port number for HTTP transmissions */
#define TCP_PORT_HTTP SwapEndian_16(80)
/** Data direction indicator for a TCP application buffer, indicating data from host-to-device */
#define TCP_PACKETDIR_IN false
/** Data direction indicator for a TCP application buffer, indicating data from device-to-host */
#define TCP_PACKETDIR_OUT true
/** Congestion Window Reduced TCP flag mask */
#define TCP_FLAG_CWR (1 << 7)
/** Explicit Congestion Notification TCP flag mask */
#define TCP_FLAG_ECE (1 << 6)
/** Urgent TCP flag mask */
#define TCP_FLAG_URG (1 << 5)
/** Data Acknowledge TCP flag mask */
#define TCP_FLAG_ACK (1 << 4)
/** Data Push TCP flag mask */
#define TCP_FLAG_PSH (1 << 3)
/** Reset TCP flag mask */
#define TCP_FLAG_RST (1 << 2)
/** Synchronize TCP flag mask */
#define TCP_FLAG_SYN (1 << 1)
/** Connection Finalize TCP flag mask */
#define TCP_FLAG_FIN (1 << 0)
/** Application macro: Determines if the given application buffer contains a packet received from the host
*
* \param[in] Buffer Application buffer to check
*
* \return Boolean true if the buffer contains a packet from the host, false otherwise
*/
#define TCP_APP_HAS_RECEIVED_PACKET(Buffer) (Buffer->Ready && (Buffer->Direction == TCP_PACKETDIR_IN))
/** Application macro: Indicates if the application buffer is currently locked by the application for device-to-host transfers.
*
* \param[in] Buffer Application buffer to check
*
* \return Boolean true if the buffer has been captured by the application for device-to-host transmissions, false otherwise
*/
#define TCP_APP_HAVE_CAPTURED_BUFFER(Buffer) (!(Buffer->Ready) && Buffer->InUse && \
(Buffer->Direction == TCP_PACKETDIR_OUT))
/** Application macro: Indicates if the application can lock the buffer for multiple continued device-to-host transmissions.
*
* \param[in] Buffer Application buffer to check
*
* \return Boolean true if the buffer may be captured by the application for device-to-host transmissions, false otherwise
*/
#define TCP_APP_CAN_CAPTURE_BUFFER(Buffer) Buffer->InUse
/** Application macro: Captures the application buffer, locking it for device-to-host transmissions only. This should be
* performed when the application needs to transmit several packets worth of data in succession with no interruptions from the host.
*
* \note The application must check that the buffer can be locked first using TCP_APP_CAN_CAPTURE_BUFFER().
*
* \param[in] Buffer Application buffer to lock
*/
#define TCP_APP_CAPTURE_BUFFER(Buffer) MACROS{ Buffer->Direction = TCP_PACKETDIR_OUT; Buffer->InUse = true; }MACROE
/** Application macro: Releases a captured application buffer, allowing for host-to-device packets to be received.
*
* \param[in] Buffer Application buffer to release
*/
#define TCP_APP_RELEASE_BUFFER(Buffer) MACROS{ Buffer->InUse = false; }MACROE
/** Application macro: Sends the contents of the given application buffer to the host.
*
* \param[in] Buffer Application buffer to send
* \param[in] Len Length of data contained in the buffer
*/
#define TCP_APP_SEND_BUFFER(Buffer, Len) MACROS{ Buffer->Direction = TCP_PACKETDIR_OUT; Buffer->Length = Len; Buffer->Ready = true; }MACROE
/** Application macro: Clears the application buffer, ready for a packet to be written to it.
*
* \param[in] Buffer Application buffer to clear
*/
#define TCP_APP_CLEAR_BUFFER(Buffer) MACROS{ Buffer->Ready = false; Buffer->Length = 0; }MACROE
/** Application macro: Closes an open connection to a host.
*
* \param[in] Connection Open TCP connection to close
*/
#define TCP_APP_CLOSECONNECTION(Connection) MACROS{ Connection->State = TCP_Connection_Closing; }MACROE
/* Enums: */
/** Enum for possible TCP port states */
enum TCP_PortStates_t
{
TCP_Port_Closed = 0, /**< TCP port closed, no connections to a host may be made on this port. */
TCP_Port_Open = 1, /**< TCP port open, connections to a host may be made on this port. */
};
/** Enum for possible TCP connection states */
enum TCP_ConnectionStates_t
{
TCP_Connection_Listen = 0, /**< Listening for a connection from a host */
TCP_Connection_SYNSent = 1, /**< Unused */
TCP_Connection_SYNReceived = 2, /**< SYN received, waiting for ACK */
TCP_Connection_Established = 3, /**< Connection established in both directions */
TCP_Connection_FINWait1 = 4, /**< Closing, waiting for ACK */
TCP_Connection_FINWait2 = 5, /**< Closing, waiting for FIN ACK */
TCP_Connection_CloseWait = 6, /**< Closing, waiting for ACK */
TCP_Connection_Closing = 7, /**< Unused */
TCP_Connection_LastACK = 8, /**< Unused */
TCP_Connection_TimeWait = 9, /**< Unused */
TCP_Connection_Closed = 10, /**< Connection closed in both directions */
};
/* Type Defines: */
/** Type define for a TCP connection buffer structure, including size, data and direction */
typedef struct
{
uint16_t Length; /**< Length of data in the TCP application buffer */
uint8_t Data[TCP_WINDOW_SIZE]; /**< TCP application data buffer */
bool Direction; /**< Buffer transmission direction, either TCP_PACKETDIR_IN or TCP_PACKETDIR_OUT */
bool Ready; /**< If data from host, indicates buffer ready to be read, otherwise indicates
* buffer ready to be sent to the host
*/
bool InUse; /** Indicates if the buffer is locked to to the current direction, and cannot be changed */
} TCP_ConnectionBuffer_t;
/** Type define for a TCP connection information structure */
typedef struct
{
uint32_t SequenceNumberIn; /**< Current TCP sequence number for host-to-device */
uint32_t SequenceNumberOut; /**< Current TCP sequence number for device-to-host */
TCP_ConnectionBuffer_t Buffer; /**< Connection application data buffer */
} TCP_ConnectionInfo_t;
/** Type define for a complete TCP connection state */
typedef struct
{
uint16_t Port; /**< Connection port number on the device */
uint16_t RemotePort; /**< Connection port number on the host */
IP_Address_t RemoteAddress; /**< Connection protocol IP address of the host */
TCP_ConnectionInfo_t Info; /**< Connection information, including application buffer */
uint8_t State; /**< Current connection state, a value from the TCP_ConnectionStates_t enum */
} TCP_ConnectionState_t;
/** Type define for a TCP port state */
typedef struct
{
uint16_t Port; /**< TCP port number on the device */
uint8_t State; /**< Current port state, a value from the TCP_PortStates_t enum */
void (*ApplicationHandler) (TCP_ConnectionState_t* ConnectionState,
TCP_ConnectionBuffer_t* Buffer); /**< Port application handler */
} TCP_PortState_t;
/** Type define for a TCP packet header */
typedef struct
{
uint16_t SourcePort; /**< Source port of the TCP packet */
uint16_t DestinationPort; /**< Destination port of the TCP packet */
uint32_t SequenceNumber; /**< Data sequence number of the packet */
uint32_t AcknowledgmentNumber; /**< Data acknowledgment number of the packet */
unsigned char Reserved : 4; /**< Reserved, must be all 0 */
unsigned char DataOffset : 4; /**< Offset of the data from the start of the header, in 4 byte chunks */
uint8_t Flags; /**< TCP packet flags */
uint16_t WindowSize; /**< Current data window size (bytes remaining in reception buffer) */
uint16_t Checksum; /**< TCP checksum */
uint16_t UrgentPointer; /**< Urgent data pointer */
} TCP_Header_t;
/* External Variables: */
TCP_PortState_t PortStateTable[MAX_OPEN_TCP_PORTS];
/* Function Prototypes: */
void TCP_Init(void);
void TCP_Task(void);
bool TCP_SetPortState(uint16_t Port, uint8_t State, void (*Handler)(TCP_ConnectionState_t*, TCP_ConnectionBuffer_t*));
uint8_t TCP_GetPortState(uint16_t Port);
bool TCP_SetConnectionState(uint16_t Port, IP_Address_t RemoteAddress, uint16_t RemotePort, uint8_t State);
uint8_t TCP_GetConnectionState(uint16_t Port, IP_Address_t RemoteAddress, uint16_t RemotePort);
TCP_ConnectionInfo_t* TCP_GetConnectionInfo(uint16_t Port, IP_Address_t RemoteAddress, uint16_t RemotePort);
int16_t TCP_ProcessTCPPacket(void* IPHeaderInStart, void* TCPHeaderInStart, void* TCPHeaderOutStart);
#if defined(INCLUDE_FROM_TCP_C)
static uint16_t TCP_Checksum16(void* TCPHeaderOutStart, IP_Address_t SourceAddress,
IP_Address_t DestinationAddress, uint16_t TCPOutSize);
#endif
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 TCP.c.
*/
#ifndef _TCP_H_
#define _TCP_H_
/* Includes: */
#include <avr/io.h>
#include <stdbool.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
/* Macros: */
/** Maximum number of TCP ports which can be open at the one time */
#define MAX_OPEN_TCP_PORTS 1
/** Maximum number of TCP connections which can be sustained at the one time */
#define MAX_TCP_CONNECTIONS 3
/** TCP window size, giving the maximum number of bytes which can be buffered at the one time */
#define TCP_WINDOW_SIZE 512
/** Port number for HTTP transmissions */
#define TCP_PORT_HTTP SwapEndian_16(80)
/** Data direction indicator for a TCP application buffer, indicating data from host-to-device */
#define TCP_PACKETDIR_IN false
/** Data direction indicator for a TCP application buffer, indicating data from device-to-host */
#define TCP_PACKETDIR_OUT true
/** Congestion Window Reduced TCP flag mask */
#define TCP_FLAG_CWR (1 << 7)
/** Explicit Congestion Notification TCP flag mask */
#define TCP_FLAG_ECE (1 << 6)
/** Urgent TCP flag mask */
#define TCP_FLAG_URG (1 << 5)
/** Data Acknowledge TCP flag mask */
#define TCP_FLAG_ACK (1 << 4)
/** Data Push TCP flag mask */
#define TCP_FLAG_PSH (1 << 3)
/** Reset TCP flag mask */
#define TCP_FLAG_RST (1 << 2)
/** Synchronize TCP flag mask */
#define TCP_FLAG_SYN (1 << 1)
/** Connection Finalize TCP flag mask */
#define TCP_FLAG_FIN (1 << 0)
/** Application macro: Determines if the given application buffer contains a packet received from the host
*
* \param[in] Buffer Application buffer to check
*
* \return Boolean true if the buffer contains a packet from the host, false otherwise
*/
#define TCP_APP_HAS_RECEIVED_PACKET(Buffer) (Buffer->Ready && (Buffer->Direction == TCP_PACKETDIR_IN))
/** Application macro: Indicates if the application buffer is currently locked by the application for device-to-host transfers.
*
* \param[in] Buffer Application buffer to check
*
* \return Boolean true if the buffer has been captured by the application for device-to-host transmissions, false otherwise
*/
#define TCP_APP_HAVE_CAPTURED_BUFFER(Buffer) (!(Buffer->Ready) && Buffer->InUse && \
(Buffer->Direction == TCP_PACKETDIR_OUT))
/** Application macro: Indicates if the application can lock the buffer for multiple continued device-to-host transmissions.
*
* \param[in] Buffer Application buffer to check
*
* \return Boolean true if the buffer may be captured by the application for device-to-host transmissions, false otherwise
*/
#define TCP_APP_CAN_CAPTURE_BUFFER(Buffer) Buffer->InUse
/** Application macro: Captures the application buffer, locking it for device-to-host transmissions only. This should be
* performed when the application needs to transmit several packets worth of data in succession with no interruptions from the host.
*
* \note The application must check that the buffer can be locked first using TCP_APP_CAN_CAPTURE_BUFFER().
*
* \param[in] Buffer Application buffer to lock
*/
#define TCP_APP_CAPTURE_BUFFER(Buffer) MACROS{ Buffer->Direction = TCP_PACKETDIR_OUT; Buffer->InUse = true; }MACROE
/** Application macro: Releases a captured application buffer, allowing for host-to-device packets to be received.
*
* \param[in] Buffer Application buffer to release
*/
#define TCP_APP_RELEASE_BUFFER(Buffer) MACROS{ Buffer->InUse = false; }MACROE
/** Application macro: Sends the contents of the given application buffer to the host.
*
* \param[in] Buffer Application buffer to send
* \param[in] Len Length of data contained in the buffer
*/
#define TCP_APP_SEND_BUFFER(Buffer, Len) MACROS{ Buffer->Direction = TCP_PACKETDIR_OUT; Buffer->Length = Len; Buffer->Ready = true; }MACROE
/** Application macro: Clears the application buffer, ready for a packet to be written to it.
*
* \param[in] Buffer Application buffer to clear
*/
#define TCP_APP_CLEAR_BUFFER(Buffer) MACROS{ Buffer->Ready = false; Buffer->Length = 0; }MACROE
/** Application macro: Closes an open connection to a host.
*
* \param[in] Connection Open TCP connection to close
*/
#define TCP_APP_CLOSECONNECTION(Connection) MACROS{ Connection->State = TCP_Connection_Closing; }MACROE
/* Enums: */
/** Enum for possible TCP port states */
enum TCP_PortStates_t
{
TCP_Port_Closed = 0, /**< TCP port closed, no connections to a host may be made on this port. */
TCP_Port_Open = 1, /**< TCP port open, connections to a host may be made on this port. */
};
/** Enum for possible TCP connection states */
enum TCP_ConnectionStates_t
{
TCP_Connection_Listen = 0, /**< Listening for a connection from a host */
TCP_Connection_SYNSent = 1, /**< Unused */
TCP_Connection_SYNReceived = 2, /**< SYN received, waiting for ACK */
TCP_Connection_Established = 3, /**< Connection established in both directions */
TCP_Connection_FINWait1 = 4, /**< Closing, waiting for ACK */
TCP_Connection_FINWait2 = 5, /**< Closing, waiting for FIN ACK */
TCP_Connection_CloseWait = 6, /**< Closing, waiting for ACK */
TCP_Connection_Closing = 7, /**< Unused */
TCP_Connection_LastACK = 8, /**< Unused */
TCP_Connection_TimeWait = 9, /**< Unused */
TCP_Connection_Closed = 10, /**< Connection closed in both directions */
};
/* Type Defines: */
/** Type define for a TCP connection buffer structure, including size, data and direction */
typedef struct
{
uint16_t Length; /**< Length of data in the TCP application buffer */
uint8_t Data[TCP_WINDOW_SIZE]; /**< TCP application data buffer */
bool Direction; /**< Buffer transmission direction, either TCP_PACKETDIR_IN or TCP_PACKETDIR_OUT */
bool Ready; /**< If data from host, indicates buffer ready to be read, otherwise indicates
* buffer ready to be sent to the host
*/
bool InUse; /** Indicates if the buffer is locked to to the current direction, and cannot be changed */
} TCP_ConnectionBuffer_t;
/** Type define for a TCP connection information structure */
typedef struct
{
uint32_t SequenceNumberIn; /**< Current TCP sequence number for host-to-device */
uint32_t SequenceNumberOut; /**< Current TCP sequence number for device-to-host */
TCP_ConnectionBuffer_t Buffer; /**< Connection application data buffer */
} TCP_ConnectionInfo_t;
/** Type define for a complete TCP connection state */
typedef struct
{
uint16_t Port; /**< Connection port number on the device */
uint16_t RemotePort; /**< Connection port number on the host */
IP_Address_t RemoteAddress; /**< Connection protocol IP address of the host */
TCP_ConnectionInfo_t Info; /**< Connection information, including application buffer */
uint8_t State; /**< Current connection state, a value from the TCP_ConnectionStates_t enum */
} TCP_ConnectionState_t;
/** Type define for a TCP port state */
typedef struct
{
uint16_t Port; /**< TCP port number on the device */
uint8_t State; /**< Current port state, a value from the TCP_PortStates_t enum */
void (*ApplicationHandler) (TCP_ConnectionState_t* ConnectionState,
TCP_ConnectionBuffer_t* Buffer); /**< Port application handler */
} TCP_PortState_t;
/** Type define for a TCP packet header */
typedef struct
{
uint16_t SourcePort; /**< Source port of the TCP packet */
uint16_t DestinationPort; /**< Destination port of the TCP packet */
uint32_t SequenceNumber; /**< Data sequence number of the packet */
uint32_t AcknowledgmentNumber; /**< Data acknowledgment number of the packet */
unsigned char Reserved : 4; /**< Reserved, must be all 0 */
unsigned char DataOffset : 4; /**< Offset of the data from the start of the header, in 4 byte chunks */
uint8_t Flags; /**< TCP packet flags */
uint16_t WindowSize; /**< Current data window size (bytes remaining in reception buffer) */
uint16_t Checksum; /**< TCP checksum */
uint16_t UrgentPointer; /**< Urgent data pointer */
} TCP_Header_t;
/* External Variables: */
TCP_PortState_t PortStateTable[MAX_OPEN_TCP_PORTS];
/* Function Prototypes: */
void TCP_Init(void);
void TCP_Task(void);
bool TCP_SetPortState(uint16_t Port, uint8_t State, void (*Handler)(TCP_ConnectionState_t*, TCP_ConnectionBuffer_t*));
uint8_t TCP_GetPortState(uint16_t Port);
bool TCP_SetConnectionState(uint16_t Port, IP_Address_t RemoteAddress, uint16_t RemotePort, uint8_t State);
uint8_t TCP_GetConnectionState(uint16_t Port, IP_Address_t RemoteAddress, uint16_t RemotePort);
TCP_ConnectionInfo_t* TCP_GetConnectionInfo(uint16_t Port, IP_Address_t RemoteAddress, uint16_t RemotePort);
int16_t TCP_ProcessTCPPacket(void* IPHeaderInStart, void* TCPHeaderInStart, void* TCPHeaderOutStart);
#if defined(INCLUDE_FROM_TCP_C)
static uint16_t TCP_Checksum16(void* TCPHeaderOutStart, IP_Address_t SourceAddress,
IP_Address_t DestinationAddress, uint16_t TCPOutSize);
#endif
#endif

162
Demos/Device/LowLevel/RNDISEthernet/Lib/UDP.c
View file

@ -1,81 +1,81 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* User Datagram Protocol (UDP) packet handling routines. This protocol handles high throughput, low
* reliability packets which are typically used to encapsulate streaming data.
*/
#define INCLUDE_FROM_UDP_C
#include "UDP.h"
/** Processes a UDP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if a sub-protocol handler has created a response packet.
*
* \param[in] IPHeaderInStart Pointer to the start of the incoming packet's IP header
* \param[in] UDPHeaderInStart Pointer to the start of the incoming packet's UDP header
* \param[out] UDPHeaderOutStart Pointer to the start of the outgoing packet's UDP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
*/
int16_t UDP_ProcessUDPPacket(void* IPHeaderInStart, void* UDPHeaderInStart, void* UDPHeaderOutStart)
{
UDP_Header_t* UDPHeaderIN = (UDP_Header_t*)UDPHeaderInStart;
UDP_Header_t* UDPHeaderOUT = (UDP_Header_t*)UDPHeaderOutStart;
int16_t RetSize = NO_RESPONSE;
DecodeUDPHeader(UDPHeaderInStart);
switch (SwapEndian_16(UDPHeaderIN->DestinationPort))
{
case UDP_PORT_DHCP_REQUEST:
RetSize = DHCP_ProcessDHCPPacket(IPHeaderInStart,
&((uint8_t*)UDPHeaderInStart)[sizeof(UDP_Header_t)],
&((uint8_t*)UDPHeaderOutStart)[sizeof(UDP_Header_t)]);
break;
}
/* Check to see if the protocol processing routine has filled out a response */
if (RetSize > 0)
{
/* Fill out the response UDP packet header */
UDPHeaderOUT->SourcePort = UDPHeaderIN->DestinationPort;
UDPHeaderOUT->DestinationPort = UDPHeaderIN->SourcePort;
UDPHeaderOUT->Checksum = 0;
UDPHeaderOUT->Length = SwapEndian_16(sizeof(UDP_Header_t) + RetSize);
/* Return the size of the response so far */
return (sizeof(UDP_Header_t) + RetSize);
}
return NO_RESPONSE;
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* User Datagram Protocol (UDP) packet handling routines. This protocol handles high throughput, low
* reliability packets which are typically used to encapsulate streaming data.
*/
#define INCLUDE_FROM_UDP_C
#include "UDP.h"
/** Processes a UDP packet inside an Ethernet frame, and writes the appropriate response
* to the output Ethernet frame if a sub-protocol handler has created a response packet.
*
* \param[in] IPHeaderInStart Pointer to the start of the incoming packet's IP header
* \param[in] UDPHeaderInStart Pointer to the start of the incoming packet's UDP header
* \param[out] UDPHeaderOutStart Pointer to the start of the outgoing packet's UDP header
*
* \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
*/
int16_t UDP_ProcessUDPPacket(void* IPHeaderInStart, void* UDPHeaderInStart, void* UDPHeaderOutStart)
{
UDP_Header_t* UDPHeaderIN = (UDP_Header_t*)UDPHeaderInStart;
UDP_Header_t* UDPHeaderOUT = (UDP_Header_t*)UDPHeaderOutStart;
int16_t RetSize = NO_RESPONSE;
DecodeUDPHeader(UDPHeaderInStart);
switch (SwapEndian_16(UDPHeaderIN->DestinationPort))
{
case UDP_PORT_DHCP_REQUEST:
RetSize = DHCP_ProcessDHCPPacket(IPHeaderInStart,
&((uint8_t*)UDPHeaderInStart)[sizeof(UDP_Header_t)],
&((uint8_t*)UDPHeaderOutStart)[sizeof(UDP_Header_t)]);
break;
}
/* Check to see if the protocol processing routine has filled out a response */
if (RetSize > 0)
{
/* Fill out the response UDP packet header */
UDPHeaderOUT->SourcePort = UDPHeaderIN->DestinationPort;
UDPHeaderOUT->DestinationPort = UDPHeaderIN->SourcePort;
UDPHeaderOUT->Checksum = 0;
UDPHeaderOUT->Length = SwapEndian_16(sizeof(UDP_Header_t) + RetSize);
/* Return the size of the response so far */
return (sizeof(UDP_Header_t) + RetSize);
}
return NO_RESPONSE;
}

140
Demos/Device/LowLevel/RNDISEthernet/Lib/UDP.h
View file

@ -1,70 +1,70 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 _UDP_H_
#define _UDP_H_
/* Includes: */
#include <avr/io.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
#include "DHCP.h"
/* Macros: */
/** Source UDP port for a DHCP request */
#define UDP_PORT_DHCP_REQUEST 67
/** Destination UDP port for a DHCP reply */
#define UDP_PORT_DHCP_REPLY 68
/** Source UDP port for a DNS request/response */
#define UDP_PORT_DNS 53
/* Type Defines: */
/** Type define for a UDP packet header */
typedef struct
{
uint16_t SourcePort; /**< Packet source port */
uint16_t DestinationPort; /**< Packet destination port */
uint16_t Length; /**< Total packet length, in bytes */
uint16_t Checksum; /**< Optional UDP packet checksum */
} UDP_Header_t;
/* Function Prototypes: */
int16_t UDP_ProcessUDPPacket(void* IPHeaderInStart, void* UDPHeaderInStart, void* UDPHeaderOutStart);
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 _UDP_H_
#define _UDP_H_
/* Includes: */
#include <avr/io.h>
#include "EthernetProtocols.h"
#include "Ethernet.h"
#include "ProtocolDecoders.h"
#include "DHCP.h"
/* Macros: */
/** Source UDP port for a DHCP request */
#define UDP_PORT_DHCP_REQUEST 67
/** Destination UDP port for a DHCP reply */
#define UDP_PORT_DHCP_REPLY 68
/** Source UDP port for a DNS request/response */
#define UDP_PORT_DNS 53
/* Type Defines: */
/** Type define for a UDP packet header */
typedef struct
{
uint16_t SourcePort; /**< Packet source port */
uint16_t DestinationPort; /**< Packet destination port */
uint16_t Length; /**< Total packet length, in bytes */
uint16_t Checksum; /**< Optional UDP packet checksum */
} UDP_Header_t;
/* Function Prototypes: */
int16_t UDP_ProcessUDPPacket(void* IPHeaderInStart, void* UDPHeaderInStart, void* UDPHeaderOutStart);
#endif

400
Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.c
View file

@ -1,200 +1,200 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Simple webserver application for demonstrating the RNDIS demo and TCP/IP stack. This
* application will serve up a static HTTP webpage when requested by the host.
*/
#include "Webserver.h"
/** HTTP server response header, for transmission before the page contents. This indicates to the host that a page exists at the
* given location, and gives extra connection information.
*/
char PROGMEM HTTP200Header[] = "HTTP/1.1 200 OK\r\n"
"Server: LUFA RNDIS\r\n"
"Content-type: text/html\r\n"
"Connection: close\r\n\r\n";
/** HTTP server response header, for transmission before a resource not found error. This indicates to the host that the given
* given URL is invalid, and gives extra error information.
*/
char PROGMEM HTTP404Header[] = "HTTP/1.1 404 Not Found\r\n"
"Server: LUFA RNDIS\r\n"
"Connection: close\r\n\r\n";
/** HTTP page to serve to the host when a HTTP request is made. This page is too long for a single response, thus it is automatically
* broken up into smaller blocks and sent as a series of packets each time the webserver application callback is run.
*/
char PROGMEM HTTPPage[] =
"<html>"
" <head>"
" <title>"
" LUFA Webserver Demo"
" </title>"
" </head>"
" <body>"
" <h1>Hello from your USB AVR!</h1>"
" <p>"
" Hello! Welcome to the LUFA RNDIS Demo Webserver test page, running on your USB AVR via the LUFA library. This demonstrates the HTTP webserver, TCP/IP stack and RNDIS demo all running atop the LUFA USB stack."
" <br /><br />"
" <small>Project Information: <a href=\"http://www.fourwalledcubicle.com/LUFA.php\">http://www.fourwalledcubicle.com/LUFA.php</a>.</small>"
" <hr />"
" <i>LUFA Version: </i>" LUFA_VERSION_STRING
" </p>"
" </body>"
"</html>";
/** Initializes the Webserver application, opening the appropriate HTTP port in the TCP handler and registering the application
* callback routine for packets sent to the HTTP protocol port.
*/
void Webserver_Init(void)
{
/* Open the HTTP port in the TCP protocol so that HTTP connections to the device can be established */
TCP_SetPortState(TCP_PORT_HTTP, TCP_Port_Open, Webserver_ApplicationCallback);
}
/** Indicates if a given request equals the given HTTP command.
*
* \param[in] RequestHeader HTTP request made by the host
* \param[in] Command HTTP command to compare the request to
*
* \return Boolean true if the command matches the request, false otherwise
*/
static bool IsHTTPCommand(uint8_t* RequestHeader, char* Command)
{
/* Returns true if the non null terminated string in RequestHeader matches the null terminated string Command */
return (strncmp((char*)RequestHeader, Command, strlen(Command)) == 0);
}
/** Application callback routine, executed each time the TCP processing task runs. This callback determines what request
* has been made (if any), and serves up appropriate responses.
*
* \param[in] ConnectionState Pointer to a TCP Connection State structure giving connection information
* \param[in,out] Buffer Pointer to the application's send/receive packet buffer
*/
void Webserver_ApplicationCallback(TCP_ConnectionState_t* ConnectionState, TCP_ConnectionBuffer_t* Buffer)
{
char* BufferDataStr = (char*)Buffer->Data;
static uint8_t PageBlock = 0;
/* Check to see if a packet has been received on the HTTP port from a remote host */
if (TCP_APP_HAS_RECEIVED_PACKET(Buffer))
{
if (IsHTTPCommand(Buffer->Data, "GET"))
{
if (IsHTTPCommand(Buffer->Data, "GET / "))
{
PageBlock = 0;
/* Copy the HTTP 200 response header into the packet buffer */
strcpy_P(BufferDataStr, HTTP200Header);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
/* Lock the buffer to Device->Host transmissions only while we send the page contents */
TCP_APP_CAPTURE_BUFFER(Buffer);
}
else
{
/* Copy the HTTP 404 response header into the packet buffer */
strcpy_P(BufferDataStr, HTTP404Header);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
/* All data sent, close the connection */
TCP_APP_CLOSECONNECTION(ConnectionState);
}
}
else if (IsHTTPCommand(Buffer->Data, "HEAD"))
{
if (IsHTTPCommand(Buffer->Data, "HEAD / "))
{
/* Copy the HTTP response header into the packet buffer */
strcpy_P(BufferDataStr, HTTP200Header);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
}
else
{
/* Copy the HTTP response header into the packet buffer */
strcpy_P(BufferDataStr, HTTP404Header);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
}
/* All data sent, close the connection */
TCP_APP_CLOSECONNECTION(ConnectionState);
}
else if (IsHTTPCommand(Buffer->Data, "TRACE"))
{
/* Echo the host's query back to the host */
TCP_APP_SEND_BUFFER(Buffer, Buffer->Length);
/* All data sent, close the connection */
TCP_APP_CLOSECONNECTION(ConnectionState);
}
else
{
/* Unknown request, just clear the buffer (drop the packet) */
TCP_APP_CLEAR_BUFFER(Buffer);
}
}
else if (TCP_APP_HAVE_CAPTURED_BUFFER(Buffer))
{
uint16_t RemLength = strlen_P(&HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE]);
uint16_t Length;
/* Determine the length of the loaded block */
Length = ((RemLength > HTTP_REPLY_BLOCK_SIZE) ? HTTP_REPLY_BLOCK_SIZE : RemLength);
/* Copy the next buffer sized block of the page to the packet buffer */
strncpy_P(BufferDataStr, &HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE], Length);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, Length);
/* Check to see if the entire page has been sent */
if (PageBlock++ == (sizeof(HTTPPage) / HTTP_REPLY_BLOCK_SIZE))
{
/* Unlock the buffer so that the host can fill it with future packets */
TCP_APP_RELEASE_BUFFER(Buffer);
/* Close the connection to the host */
TCP_APP_CLOSECONNECTION(ConnectionState);
}
}
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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
*
* Simple webserver application for demonstrating the RNDIS demo and TCP/IP stack. This
* application will serve up a static HTTP webpage when requested by the host.
*/
#include "Webserver.h"
/** HTTP server response header, for transmission before the page contents. This indicates to the host that a page exists at the
* given location, and gives extra connection information.
*/
char PROGMEM HTTP200Header[] = "HTTP/1.1 200 OK\r\n"
"Server: LUFA RNDIS\r\n"
"Content-type: text/html\r\n"
"Connection: close\r\n\r\n";
/** HTTP server response header, for transmission before a resource not found error. This indicates to the host that the given
* given URL is invalid, and gives extra error information.
*/
char PROGMEM HTTP404Header[] = "HTTP/1.1 404 Not Found\r\n"
"Server: LUFA RNDIS\r\n"
"Connection: close\r\n\r\n";
/** HTTP page to serve to the host when a HTTP request is made. This page is too long for a single response, thus it is automatically
* broken up into smaller blocks and sent as a series of packets each time the webserver application callback is run.
*/
char PROGMEM HTTPPage[] =
"<html>"
" <head>"
" <title>"
" LUFA Webserver Demo"
" </title>"
" </head>"
" <body>"
" <h1>Hello from your USB AVR!</h1>"
" <p>"
" Hello! Welcome to the LUFA RNDIS Demo Webserver test page, running on your USB AVR via the LUFA library. This demonstrates the HTTP webserver, TCP/IP stack and RNDIS demo all running atop the LUFA USB stack."
" <br /><br />"
" <small>Project Information: <a href=\"http://www.fourwalledcubicle.com/LUFA.php\">http://www.fourwalledcubicle.com/LUFA.php</a>.</small>"
" <hr />"
" <i>LUFA Version: </i>" LUFA_VERSION_STRING
" </p>"
" </body>"
"</html>";
/** Initializes the Webserver application, opening the appropriate HTTP port in the TCP handler and registering the application
* callback routine for packets sent to the HTTP protocol port.
*/
void Webserver_Init(void)
{
/* Open the HTTP port in the TCP protocol so that HTTP connections to the device can be established */
TCP_SetPortState(TCP_PORT_HTTP, TCP_Port_Open, Webserver_ApplicationCallback);
}
/** Indicates if a given request equals the given HTTP command.
*
* \param[in] RequestHeader HTTP request made by the host
* \param[in] Command HTTP command to compare the request to
*
* \return Boolean true if the command matches the request, false otherwise
*/
static bool IsHTTPCommand(uint8_t* RequestHeader, char* Command)
{
/* Returns true if the non null terminated string in RequestHeader matches the null terminated string Command */
return (strncmp((char*)RequestHeader, Command, strlen(Command)) == 0);
}
/** Application callback routine, executed each time the TCP processing task runs. This callback determines what request
* has been made (if any), and serves up appropriate responses.
*
* \param[in] ConnectionState Pointer to a TCP Connection State structure giving connection information
* \param[in,out] Buffer Pointer to the application's send/receive packet buffer
*/
void Webserver_ApplicationCallback(TCP_ConnectionState_t* ConnectionState, TCP_ConnectionBuffer_t* Buffer)
{
char* BufferDataStr = (char*)Buffer->Data;
static uint8_t PageBlock = 0;
/* Check to see if a packet has been received on the HTTP port from a remote host */
if (TCP_APP_HAS_RECEIVED_PACKET(Buffer))
{
if (IsHTTPCommand(Buffer->Data, "GET"))
{
if (IsHTTPCommand(Buffer->Data, "GET / "))
{
PageBlock = 0;
/* Copy the HTTP 200 response header into the packet buffer */
strcpy_P(BufferDataStr, HTTP200Header);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
/* Lock the buffer to Device->Host transmissions only while we send the page contents */
TCP_APP_CAPTURE_BUFFER(Buffer);
}
else
{
/* Copy the HTTP 404 response header into the packet buffer */
strcpy_P(BufferDataStr, HTTP404Header);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
/* All data sent, close the connection */
TCP_APP_CLOSECONNECTION(ConnectionState);
}
}
else if (IsHTTPCommand(Buffer->Data, "HEAD"))
{
if (IsHTTPCommand(Buffer->Data, "HEAD / "))
{
/* Copy the HTTP response header into the packet buffer */
strcpy_P(BufferDataStr, HTTP200Header);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
}
else
{
/* Copy the HTTP response header into the packet buffer */
strcpy_P(BufferDataStr, HTTP404Header);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
}
/* All data sent, close the connection */
TCP_APP_CLOSECONNECTION(ConnectionState);
}
else if (IsHTTPCommand(Buffer->Data, "TRACE"))
{
/* Echo the host's query back to the host */
TCP_APP_SEND_BUFFER(Buffer, Buffer->Length);
/* All data sent, close the connection */
TCP_APP_CLOSECONNECTION(ConnectionState);
}
else
{
/* Unknown request, just clear the buffer (drop the packet) */
TCP_APP_CLEAR_BUFFER(Buffer);
}
}
else if (TCP_APP_HAVE_CAPTURED_BUFFER(Buffer))
{
uint16_t RemLength = strlen_P(&HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE]);
uint16_t Length;
/* Determine the length of the loaded block */
Length = ((RemLength > HTTP_REPLY_BLOCK_SIZE) ? HTTP_REPLY_BLOCK_SIZE : RemLength);
/* Copy the next buffer sized block of the page to the packet buffer */
strncpy_P(BufferDataStr, &HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE], Length);
/* Send the buffer contents to the host */
TCP_APP_SEND_BUFFER(Buffer, Length);
/* Check to see if the entire page has been sent */
if (PageBlock++ == (sizeof(HTTPPage) / HTTP_REPLY_BLOCK_SIZE))
{
/* Unlock the buffer so that the host can fill it with future packets */
TCP_APP_RELEASE_BUFFER(Buffer);
/* Close the connection to the host */
TCP_APP_CLOSECONNECTION(ConnectionState);
}
}
}

110
Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.h
View file

@ -1,55 +1,55 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 Webserver.c.
*/
#ifndef _WEBSERVER_H_
#define _WEBSERVER_H_
/* Includes: */
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <LUFA/Version.h>
#include "TCP.h"
/* Macros: */
/** Maximum size of a HTTP response per transmission */
#define HTTP_REPLY_BLOCK_SIZE 128
/* Function Prototypes: */
void Webserver_Init(void);
void Webserver_ApplicationCallback(TCP_ConnectionState_t* ConnectionState, TCP_ConnectionBuffer_t* Buffer);
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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 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 Webserver.c.
*/
#ifndef _WEBSERVER_H_
#define _WEBSERVER_H_
/* Includes: */
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <LUFA/Version.h>
#include "TCP.h"
/* Macros: */
/** Maximum size of a HTTP response per transmission */
#define HTTP_REPLY_BLOCK_SIZE 128
/* Function Prototypes: */
void Webserver_Init(void);
void Webserver_ApplicationCallback(TCP_ConnectionState_t* ConnectionState, TCP_ConnectionBuffer_t* Buffer);
#endif