Commit 3cba88e4 authored by Dean Camera's avatar Dean Camera
Browse files

Add RNDIS Device support to the Webserver project, so that the files stored on...

Add RNDIS Device support to the Webserver project, so that the files stored on the device can be viewed from a web-browser while the board is plugged into a host machine.
parent e349974a
......@@ -59,7 +59,7 @@ int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart,
DecodeDHCPHeader(DHCPHeaderInStart);
/* Zero out the response DHCP packet, as much of it legacy and left at 0 */
/* Zero out the response DHCP packet, as much of it is legacy and left at 0 */
memset(DHCPHeaderOUT, 0, sizeof(DHCP_Header_t));
/* Fill out the response DHCP packet */
......
......@@ -63,7 +63,10 @@ USB_ClassInfo_RNDIS_Device_t Ethernet_RNDIS_Interface =
},
};
/** Global to store the incoming frame from the host before it is processed by the device. */
static Ethernet_Frame_Info_t FrameIN;
/** Global to store the outgoing frame created in the device before it is sent to the host. */
static Ethernet_Frame_Info_t FrameOUT;
/** Main program entry point. This routine contains the overall program flow, including initial
......
......@@ -59,7 +59,7 @@ int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart,
DecodeDHCPHeader(DHCPHeaderInStart);
/* Zero out the response DHCP packet, as much of it legacy and left at 0 */
/* Zero out the response DHCP packet, as much of it is legacy and left at 0 */
memset(DHCPHeaderOUT, 0, sizeof(DHCP_Header_t));
/* Fill out the response DHCP packet */
......
This diff is collapsed.
......@@ -38,6 +38,7 @@
* - Added HID class bootloader, compatible with a modified version of the command line Teensy loader from PJRC.com
* - Added LED flashing to the CDC and DFU class bootloaders to indicate when they are running
* - Added new incomplete AndroidAccessoryHost Host LowLevel demo
* - Added RNDIS device mode to the Webserver project
*
* <b>Changed:</b>
* - Core:
......
......@@ -33,7 +33,6 @@
* -# Finish SideShow demo
* -# Finish StandaloneProgrammer project
* -# Arduino Uno compatible USB-MIDI, USB-HID
* -# Make Webserver project work in RNDIS device mode
* - Ports
* -# Atmel ARM7 series microcontrollers
* -# Other (commercial) C compilers
......
......@@ -59,15 +59,15 @@ const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
.USBSpecification = VERSION_BCD(01.10),
.Class = USB_CSCP_NoDeviceClass,
.SubClass = USB_CSCP_NoDeviceSubclass,
.Protocol = USB_CSCP_NoDeviceProtocol,
.Class = USB_CSCP_IADDeviceClass,
.SubClass = USB_CSCP_IADDeviceSubclass,
.Protocol = USB_CSCP_IADDeviceProtocol,
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
.VendorID = 0x03EB,
.ProductID = 0x2045,
.ReleaseNumber = VERSION_BCD(00.01),
.ProductID = 0x2069,
.ReleaseNumber = VERSION_BCD(00.10),
.ManufacturerStrIndex = 0x01,
.ProductStrIndex = 0x02,
......@@ -88,7 +88,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
.TotalInterfaces = 1,
.TotalInterfaces = 3,
.ConfigurationNumber = 1,
.ConfigurationStrIndex = NO_DESCRIPTOR,
......@@ -98,13 +98,114 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
},
.MS_Interface =
.CDC_IAD =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_Association_t), .Type = DTYPE_InterfaceAssociation},
.FirstInterfaceIndex = 0,
.TotalInterfaces = 2,
.Class = CDC_CSCP_CDCClass,
.SubClass = CDC_CSCP_ACMSubclass,
.Protocol = CDC_CSCP_VendorSpecificProtocol,
.IADStrIndex = NO_DESCRIPTOR
},
.CDC_CCI_Interface =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
.InterfaceNumber = 0,
.AlternateSetting = 0,
.TotalEndpoints = 1,
.Class = CDC_CSCP_CDCClass,
.SubClass = CDC_CSCP_ACMSubclass,
.Protocol = CDC_CSCP_VendorSpecificProtocol,
.InterfaceStrIndex = NO_DESCRIPTOR
},
.CDC_Functional_Header =
{
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = DTYPE_CSInterface},
.Subtype = CDC_DSUBTYPE_CSInterface_Header,
.CDCSpecification = VERSION_BCD(01.10),
},
.CDC_Functional_ACM =
{
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = DTYPE_CSInterface},
.Subtype = CDC_DSUBTYPE_CSInterface_ACM,
.Capabilities = 0x00,
},
.CDC_Functional_Union =
{
.Header = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = DTYPE_CSInterface},
.Subtype = CDC_DSUBTYPE_CSInterface_Union,
.MasterInterfaceNumber = 0,
.SlaveInterfaceNumber = 1,
},
.CDC_NotificationEndpoint =
{
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
.EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_NOTIFICATION_EPNUM),
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
.EndpointSize = CDC_NOTIFICATION_EPSIZE,
.PollingIntervalMS = 0xFF
},
.CDC_DCI_Interface =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
.InterfaceNumber = 1,
.AlternateSetting = 0,
.TotalEndpoints = 2,
.Class = CDC_CSCP_CDCDataClass,
.SubClass = CDC_CSCP_NoDataSubclass,
.Protocol = CDC_CSCP_NoDataProtocol,
.InterfaceStrIndex = NO_DESCRIPTOR
},
.RNDIS_DataOutEndpoint =
{
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
.EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_OUT | CDC_RX_EPNUM),
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
.EndpointSize = CDC_TXRX_EPSIZE,
.PollingIntervalMS = 0x01
},
.RNDIS_DataInEndpoint =
{
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
.EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | CDC_TX_EPNUM),
.Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
.EndpointSize = CDC_TXRX_EPSIZE,
.PollingIntervalMS = 0x01
},
.MS_Interface =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
.InterfaceNumber = 2,
.AlternateSetting = 0,
.TotalEndpoints = 2,
.Class = MS_CSCP_MassStorageClass,
......
......@@ -51,6 +51,21 @@
/** Size in bytes of the Mass Storage data endpoints. */
#define MASS_STORAGE_IO_EPSIZE 64
/** Endpoint number of the CDC device-to-host notification IN endpoint. */
#define CDC_NOTIFICATION_EPNUM 5
/** Endpoint number of the CDC device-to-host data IN endpoint. */
#define CDC_TX_EPNUM 1
/** Endpoint number of the CDC host-to-device data OUT endpoint. */
#define CDC_RX_EPNUM 2
/** Size in bytes of the CDC device-to-host notification IN endpoint. */
#define CDC_NOTIFICATION_EPSIZE 8
/** Size in bytes of the CDC data IN and OUT endpoints. */
#define CDC_TXRX_EPSIZE 64
/* Type Defines: */
/** Type define for the device configuration descriptor structure. This must be defined in the
* application code, as the configuration descriptor contains several sub-descriptors which
......@@ -58,10 +73,19 @@
*/
typedef struct
{
USB_Descriptor_Configuration_Header_t Config;
USB_Descriptor_Interface_t MS_Interface;
USB_Descriptor_Endpoint_t MS_DataInEndpoint;
USB_Descriptor_Endpoint_t MS_DataOutEndpoint;
USB_Descriptor_Configuration_Header_t Config;
USB_Descriptor_Interface_Association_t CDC_IAD;
USB_Descriptor_Interface_t CDC_CCI_Interface;
USB_CDC_Descriptor_FunctionalHeader_t CDC_Functional_Header;
USB_CDC_Descriptor_FunctionalACM_t CDC_Functional_ACM;
USB_CDC_Descriptor_FunctionalUnion_t CDC_Functional_Union;
USB_Descriptor_Endpoint_t CDC_NotificationEndpoint;
USB_Descriptor_Interface_t CDC_DCI_Interface;
USB_Descriptor_Endpoint_t RNDIS_DataOutEndpoint;
USB_Descriptor_Endpoint_t RNDIS_DataInEndpoint;
USB_Descriptor_Interface_t MS_Interface;
USB_Descriptor_Endpoint_t MS_DataInEndpoint;
USB_Descriptor_Endpoint_t MS_DataOutEndpoint;
} USB_Descriptor_Configuration_t;
/* Function Prototypes: */
......
; Windows LUFA RNDIS Setup File
; Copyright (c) 2000 Microsoft Corporation
[Version]
Signature = "$Windows NT$"
Class = Net
ClassGUID = {4d36e972-e325-11ce-bfc1-08002be10318}
Provider = %COMPANY%
DriverVer = 06/21/2006,6.0.6000.16384
;CatalogFile = device.cat
[Manufacturer]
%COMPANY% = RndisDevices,NTx86,NTamd64,NTia64
; Decoration for x86 architecture
[RndisDevices.NTx86]
%RNDISDEV% = RNDIS.NT.5.1, USB\VID_03EB&PID_2069&MI_00
; Decoration for x64 architecture
[RndisDevices.NTamd64]
%RNDISDEV% = RNDIS.NT.5.1, USB\VID_03EB&PID_2069&MI_00
; Decoration for ia64 architecture
[RndisDevices.NTia64]
%RNDISDEV% = RNDIS.NT.5.1, USB\VID_03EB&PID_2069&MI_00
;@@@ This is the common setting for setup
[ControlFlags]
ExcludeFromSelect=*
; DDInstall section
; References the in-build Netrndis.inf
[RNDIS.NT.5.1]
Characteristics = 0x84 ; NCF_PHYSICAL + NCF_HAS_UI
BusType = 15
; NEVER REMOVE THE FOLLOWING REFERENCE FOR NETRNDIS.INF
include = netrndis.inf
needs = Usb_Rndis.ndi
AddReg = Rndis_AddReg_Vista
; DDInstal.Services section
[RNDIS.NT.5.1.Services]
include = netrndis.inf
needs = Usb_Rndis.ndi.Services
; No sys copyfiles - the sys files are already in-build
; (part of the operating system).
; Modify these strings for your device as needed.
[Strings]
COMPANY="LUFA Library"
RNDISDEV="LUFA USB RNDIS Webserver"
\ No newline at end of file
......@@ -43,13 +43,13 @@
void DHCPClientApp_Init(void)
{
/* Create a new UDP connection to the DHCP server port for the DHCP solicitation */
struct uip_udp_conn* Connection = uip_udp_new(&uip_broadcast_addr, HTONS(DHCPC_SERVER_PORT));
struct uip_udp_conn* Connection = uip_udp_new(&uip_broadcast_addr, HTONS(DHCP_SERVER_PORT));
/* If the connection was successfully created, bind it to the local DHCP client port */
if (Connection != NULL)
{
uip_udp_appstate_t* const AppState = &Connection->appstate;
uip_udp_bind(Connection, HTONS(DHCPC_CLIENT_PORT));
uip_udp_bind(Connection, HTONS(DHCP_CLIENT_PORT));
/* Set the initial client state */
AppState->DHCPClient.CurrentState = DHCP_STATE_SendDiscover;
......@@ -80,8 +80,8 @@ void DHCPClientApp_Callback(void)
/* Add the required DHCP options list to the packet */
uint8_t RequiredOptionList[] = {DHCP_OPTION_SUBNET_MASK, DHCP_OPTION_ROUTER, DHCP_OPTION_DNS_SERVER};
AppDataSize += DHCPClientApp_SetOption(AppData->Options, DHCP_OPTION_REQ_LIST, sizeof(RequiredOptionList),
RequiredOptionList);
AppDataSize += DHCPCommon_SetOption(AppData->Options, DHCP_OPTION_REQ_LIST, sizeof(RequiredOptionList),
RequiredOptionList);
/* Send the DHCP DISCOVER packet */
uip_udp_send(AppDataSize);
......@@ -103,14 +103,14 @@ void DHCPClientApp_Callback(void)
uint8_t OfferResponse_MessageType;
if ((AppData->TransactionID == DHCP_TRANSACTION_ID) &&
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_MSG_TYPE, &OfferResponse_MessageType) &&
DHCPCommon_GetOption(AppData->Options, DHCP_OPTION_MSG_TYPE, &OfferResponse_MessageType) &&
(OfferResponse_MessageType == DHCP_OFFER))
{
/* Received a DHCP offer for an IP address, copy over values for later request */
memcpy(&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP, &AppData->YourIP, sizeof(uip_ipaddr_t));
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_SUBNET_MASK, &AppState->DHCPClient.DHCPOffer_Data.Netmask);
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_ROUTER, &AppState->DHCPClient.DHCPOffer_Data.GatewayIP);
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_SERVER_ID, &AppState->DHCPClient.DHCPOffer_Data.ServerIP);
DHCPCommon_GetOption(AppData->Options, DHCP_OPTION_SUBNET_MASK, &AppState->DHCPClient.DHCPOffer_Data.Netmask);
DHCPCommon_GetOption(AppData->Options, DHCP_OPTION_ROUTER, &AppState->DHCPClient.DHCPOffer_Data.GatewayIP);
DHCPCommon_GetOption(AppData->Options, DHCP_OPTION_SERVER_ID, &AppState->DHCPClient.DHCPOffer_Data.ServerIP);
timer_reset(&AppState->DHCPClient.Timeout);
AppState->DHCPClient.CurrentState = DHCP_STATE_SendRequest;
......@@ -122,12 +122,12 @@ void DHCPClientApp_Callback(void)
AppDataSize += DHCPClientApp_FillDHCPHeader(AppData, DHCP_REQUEST, AppState);
/* Add the DHCP REQUESTED IP ADDRESS option to the packet */
AppDataSize += DHCPClientApp_SetOption(AppData->Options, DHCP_OPTION_REQ_IPADDR, sizeof(uip_ipaddr_t),
&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP);
AppDataSize += DHCPCommon_SetOption(AppData->Options, DHCP_OPTION_REQ_IPADDR, sizeof(uip_ipaddr_t),
&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP);
/* Add the DHCP SERVER IP ADDRESS option to the packet */
AppDataSize += DHCPClientApp_SetOption(AppData->Options, DHCP_OPTION_SERVER_ID, sizeof(uip_ipaddr_t),
&AppState->DHCPClient.DHCPOffer_Data.ServerIP);
AppDataSize += DHCPCommon_SetOption(AppData->Options, DHCP_OPTION_SERVER_ID, sizeof(uip_ipaddr_t),
&AppState->DHCPClient.DHCPOffer_Data.ServerIP);
/* Send the DHCP REQUEST packet */
uip_udp_send(AppDataSize);
......@@ -149,7 +149,7 @@ void DHCPClientApp_Callback(void)
uint8_t RequestResponse_MessageType;
if ((AppData->TransactionID == DHCP_TRANSACTION_ID) &&
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_MSG_TYPE, &RequestResponse_MessageType) &&
DHCPCommon_GetOption(AppData->Options, DHCP_OPTION_MSG_TYPE, &RequestResponse_MessageType) &&
(RequestResponse_MessageType == DHCP_ACK))
{
/* Set the new network parameters from the DHCP server */
......@@ -207,66 +207,5 @@ static uint16_t DHCPClientApp_FillDHCPHeader(DHCP_Header_t* const DHCPHeader,
return (sizeof(DHCP_Header_t) + 4);
}
/** Sets the given DHCP option in the DHCP packet's option list. This automatically moves the
* end of options terminator past the new option in the options list.
*
* \param[in,out] DHCPOptionList Pointer to the start of the DHCP packet's options list
* \param[in] Option DHCP option to add to the list
* \param[in] DataLen Size in bytes of the option data to add
* \param[in] OptionData Buffer where the option's data is to be sourced from
*
* \return Number of bytes added to the DHCP packet
*/
static uint8_t DHCPClientApp_SetOption(uint8_t* DHCPOptionList,
const uint8_t Option,
const uint8_t DataLen,
void* const OptionData)
{
/* Skip through the DHCP options list until the terminator option is found */
while (*DHCPOptionList != DHCP_OPTION_END)
DHCPOptionList += (DHCPOptionList[1] + 2);
/* Overwrite the existing terminator with the new option, add a new terminator at the end of the list */
DHCPOptionList[0] = Option;
DHCPOptionList[1] = DataLen;
memcpy(&DHCPOptionList[2], OptionData, DataLen);
DHCPOptionList[2 + DataLen] = DHCP_OPTION_END;
/* Calculate the total number of bytes added to the outgoing packet */
return (2 + DataLen);
}
/** Retrieves the given option's data (if present) from the DHCP packet's options list.
*
* \param[in,out] DHCPOptionList Pointer to the start of the DHCP packet's options list
* \param[in] Option DHCP option to retrieve to the list
* \param[out] Destination Buffer where the option's data is to be written to if found
*
* \return Boolean true if the option was found in the DHCP packet's options list, false otherwise
*/
static bool DHCPClientApp_GetOption(const uint8_t* DHCPOptionList,
const uint8_t Option,
void* const Destination)
{
/* Look through the incoming DHCP packet's options list for the requested option */
while (*DHCPOptionList != DHCP_OPTION_END)
{
/* Check if the current DHCP option in the packet is the one requested */
if (DHCPOptionList[0] == Option)
{
/* Copy request option's data to the destination buffer */
memcpy(Destination, &DHCPOptionList[2], DHCPOptionList[1]);
/* Indicate that the requested option data was successfully retrieved */
return true;
}
/* Skip to next DHCP option in the options list */
DHCPOptionList += (DHCPOptionList[1] + 2);
}
/* Requested option not found in the incoming packet's DHCP options list */
return false;
}
#endif
......@@ -42,111 +42,11 @@
#include <uip.h>
#include "../Webserver.h"
/* Macros: */
/** UDP listen port for a BOOTP server. */
#define DHCPC_SERVER_PORT 67
/** UDP listen port for a BOOTP client. */
#define DHCPC_CLIENT_PORT 68
/** BOOTP message type for a BOOTP REQUEST message. */
#define DHCP_OP_BOOTREQUEST 0x01
/** BOOTP message type for a BOOTP REPLY message. */
#define DHCP_OP_BOOTREPLY 0x02
/** BOOTP flag for a BOOTP broadcast message. */
#define BOOTP_BROADCAST 0x8000
/** Magic DHCP cookie for a BOOTP message to identify it as a DHCP message. */
#define DHCP_MAGIC_COOKIE 0x63538263
/** Unique transaction ID used to identify DHCP responses to the client. */
#define DHCP_TRANSACTION_ID 0x13245466
/** DHCP message type for a DISCOVER message. */
#define DHCP_DISCOVER 1
/** DHCP message type for an OFFER message. */
#define DHCP_OFFER 2
/** DHCP message type for a REQUEST message. */
#define DHCP_REQUEST 3
/** DHCP message type for a DECLINE message. */
#define DHCP_DECLINE 4
/** DHCP message type for an ACK message. */
#define DHCP_ACK 5
/** DHCP message type for a NAK message. */
#define DHCP_NAK 6
/** DHCP message type for a RELEASE message. */
#define DHCP_RELEASE 7
/** DHCP medium type for standard Ethernet. */
#define DHCP_HTYPE_ETHERNET 1
/** DHCP message option for the network subnet mask. */
#define DHCP_OPTION_SUBNET_MASK 1
/** DHCP message option for the network gateway IP. */
#define DHCP_OPTION_ROUTER 3
/** DHCP message option for the network DNS server. */
#define DHCP_OPTION_DNS_SERVER 6
/** DHCP message option for the requested client IP address. */
#define DHCP_OPTION_REQ_IPADDR 50
/** DHCP message option for the IP address lease time. */
#define DHCP_OPTION_LEASE_TIME 51
/** DHCP message option for the DHCP message type. */
#define DHCP_OPTION_MSG_TYPE 53
/** DHCP message option for the DHCP server IP. */
#define DHCP_OPTION_SERVER_ID 54
/** DHCP message option for the list of required options from the server. */
#define DHCP_OPTION_REQ_LIST 55
/** DHCP message option for the options list terminator. */
#define DHCP_OPTION_END 255
/* 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 */
uip_ipaddr_t ClientIP; /**< Client IP address, if already leased an IP */
uip_ipaddr_t YourIP; /**< Client IP address */
uip_ipaddr_t NextServerIP; /**< Legacy BOOTP protocol field, unused for DHCP */
uip_ipaddr_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 */
uint8_t Options[]; /**< DHCP message options */
} DHCP_Header_t;
#include "DHCPCommon.h"
/* Enums: */
/** States for each DHCP connection to a DHCP client. */
enum DHCP_States_t
enum DHCP_Client_States_t
{
DHCP_STATE_SendDiscover, /**< Send DISCOVER packet to retrieve DHCP lease offers */
DHCP_STATE_WaitForOffer, /**< Waiting for OFFER packet giving available DHCP leases */
......@@ -163,13 +63,6 @@
static uint16_t DHCPClientApp_FillDHCPHeader(DHCP_Header_t* const DHCPHeader,
const uint8_t DHCPMessageType,
uip_udp_appstate_t* const AppState);
static uint8_t DHCPClientApp_SetOption(uint8_t* DHCPOptionList,
const uint8_t Option,
const uint8_t DataLen,
void* const OptionData);
static bool DHCPClientApp_GetOption(const uint8_t* DHCPOptionList,
const uint8_t Option,
void* const Destination);
#endif
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2011.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2011 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.
*/
#if defined(ENABLE_DHCP_CLIENT) || defined(ENABLE_DHCP_SERVER) || defined(__DOXYGEN__)
/** \file
*
* Common DHCP routines to manage DHCP packet data.
*/
#include "DHCPCommon.h"
/** Sets the given DHCP option in the DHCP packet's option list. This automatically moves the
* end of options terminator past the new option in the options list.
*
* \param[in,out] DHCPOptionList Pointer to the start of the DHCP packet's options list
* \param[in] Option DHCP option to add to the list
* \param[in] DataLen Size in bytes of the option data to add
* \param[in] OptionData Buffer where the option's data is to be sourced from
*
* \return Number of bytes added to the DHCP packet
*/
uint8_t DHCPCommon_SetOption(uint8_t* DHCPOptionList,
const uint8_t Option,
const uint8_t DataLen,
void* const OptionData)