+++ /dev/null
-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting \r
- documentation, and that the name of the author not be used in \r
- advertising or publicity pertaining to distribution of the \r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * Header file for DHCPApp.c.\r
- */\r
-\r
-#ifndef _DHCP_APP_H_\r
-#define _DHCP_APP_H_\r
-\r
- /* Includes: */\r
- #include <stdio.h>\r
- \r
- #include <uip.h>\r
- \r
- #include "../Webserver.h"\r
- \r
- /* Macros: */\r
- /** UDP listen port for a BOOTP server */\r
- #define DHCPC_SERVER_PORT 67\r
-\r
- /** UDP listen port for a BOOTP client */\r
- #define DHCPC_CLIENT_PORT 68\r
-\r
- /** BOOTP message type for a BOOTP REQUEST message */\r
- #define DHCP_OP_BOOTREQUEST 0x01\r
-\r
- /** BOOTP message type for a BOOTP REPLY message */\r
- #define DHCP_OP_BOOTREPLY 0x02\r
-\r
- /** BOOTP flag for a BOOTP broadcast message */\r
- #define BOOTP_BROADCAST 0x8000\r
- \r
- /** Magic DHCP cookie for a BOOTP message to identify it as a DHCP message */\r
- #define DHCP_MAGIC_COOKIE 0x63538263\r
- \r
- /** Unique transaction ID used to identify DHCP responses to the client */\r
- #define DHCP_TRANSACTION_ID 0x13245466\r
-\r
- /** DHCP message type for a DISCOVER message */\r
- #define DHCP_DISCOVER 1\r
-\r
- /** DHCP message type for an OFFER message */\r
- #define DHCP_OFFER 2\r
-\r
- /** DHCP message type for a REQUEST message */\r
- #define DHCP_REQUEST 3\r
-\r
- /** DHCP message type for a DECLINE message */\r
- #define DHCP_DECLINE 4\r
-\r
- /** DHCP message type for an ACK message */\r
- #define DHCP_ACK 5\r
-\r
- /** DHCP message type for a NAK message */\r
- #define DHCP_NAK 6\r
-\r
- /** DHCP message type for a RELEASE message */\r
- #define DHCP_RELEASE 7\r
-\r
- /** DHCP medium type for standard Ethernet */\r
- #define DHCP_HTYPE_ETHERNET 1\r
-\r
- /** DHCP message option for the network subnet mask */\r
- #define DHCP_OPTION_SUBNET_MASK 1\r
-\r
- /** DHCP message option for the network gateway IP */\r
- #define DHCP_OPTION_ROUTER 3\r
-\r
- /** DHCP message option for the network DNS server */\r
- #define DHCP_OPTION_DNS_SERVER 6\r
-\r
- /** DHCP message option for the requested client IP address */\r
- #define DHCP_OPTION_REQ_IPADDR 50\r
-\r
- /** DHCP message option for the IP address lease time */\r
- #define DHCP_OPTION_LEASE_TIME 51\r
-\r
- /** DHCP message option for the DHCP message type */\r
- #define DHCP_OPTION_MSG_TYPE 53\r
- \r
- /** DHCP message option for the DHCP server IP */ \r
- #define DHCP_OPTION_SERVER_ID 54\r
-\r
- /** DHCP message option for the list of required options from the server */\r
- #define DHCP_OPTION_REQ_LIST 55\r
-\r
- /** DHCP message option for the options list terminator */\r
- #define DHCP_OPTION_END 255\r
-\r
- /* Type Defines: */\r
- /** Type define for a DHCP packet inside an Ethernet frame. */\r
- typedef struct\r
- {\r
- uint8_t Operation; /**< DHCP operation, either DHCP_OP_BOOTREQUEST or DHCP_OP_BOOTREPLY */\r
- uint8_t HardwareType; /**< Hardware carrier type constant */\r
- uint8_t HardwareAddressLength; /**< Length in bytes of a hardware (MAC) address on the network */\r
- uint8_t Hops; /**< Number of hops required to reach the server, unused */\r
-\r
- uint32_t TransactionID; /**< Unique ID of the DHCP packet, for positive matching between sent and received packets */\r
-\r
- uint16_t ElapsedSeconds; /**< Elapsed seconds since the request was made */\r
- uint16_t Flags; /**< BOOTP packet flags */\r
- \r
- uip_ipaddr_t ClientIP; /**< Client IP address, if already leased an IP */\r
- uip_ipaddr_t YourIP; /**< Client IP address */\r
- uip_ipaddr_t NextServerIP; /**< Legacy BOOTP protocol field, unused for DHCP */\r
- uip_ipaddr_t RelayAgentIP; /**< Legacy BOOTP protocol field, unused for DHCP */\r
- \r
- uint8_t ClientHardwareAddress[16]; /**< Hardware (MAC) address of the client making a request to the DHCP server */\r
- uint8_t ServerHostnameString[64]; /**< Legacy BOOTP protocol field, unused for DHCP */\r
- uint8_t BootFileName[128]; /**< Legacy BOOTP protocol field, unused for DHCP */\r
- \r
- uint32_t Cookie; /**< Magic BOOTP protocol cookie to indicate a valid packet */\r
- \r
- uint8_t Options[]; /** DHCP message options */\r
- } DHCP_Header_t;\r
-\r
- /* Enums: */\r
- /** States for each DHCP connection to a DHCP client. */\r
- enum DHCP_States_t\r
- {\r
- DHCP_STATE_SendDiscover, /**< Send DISCOVER packet to retrieve DHCP lease offers */\r
- DHCP_STATE_WaitForOffer, /**< Waiting for OFFER packet giving available DHCP leases */\r
- DHCP_STATE_SendRequest, /**< Send REQUEST packet to request a DHCP lease */\r
- DHCP_STATE_WaitForACK, /**< Wait for ACK packet to complete the DHCP lease */\r
- DHCP_STATE_AddressLeased, /**< DHCP address has been leased from a DHCP server */\r
- };\r
-\r
- /* Function Prototypes: */\r
- void DHCPApp_Init(void);\r
- void DHCPApp_Callback(void);\r
- \r
- uint16_t DHCPApp_FillDHCPHeader(DHCP_Header_t* DHCPHeader, uint8_t DHCPMessageType, uip_udp_appstate_t* AppState);\r
- uint8_t DHCPApp_SetOption(uint8_t* DHCPOptionList, uint8_t Option, uint8_t DataLen, void* OptionData);\r
- bool DHCPApp_GetOption(uint8_t* DHCPOptionList, uint8_t Option, void* Destination);\r
- \r
-#endif\r