+/*\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
+ #define DHCPC_SERVER_PORT 67\r
+ #define DHCPC_CLIENT_PORT 68\r
+\r
+ #define DHCP_OP_BOOTREQUEST 0x01\r
+ #define DHCP_OP_BOOTREPLY 0x02\r
+\r
+ #define BOOTP_BROADCAST 0x8000\r
+ \r
+ #define DHCP_MAGIC_COOKIE 0x63538263\r
+ \r
+ #define DHCP_TRANSACTION_ID 0x13245466\r
+\r
+ #define DHCP_DISCOVER 1\r
+ #define DHCP_OFFER 2\r
+ #define DHCP_REQUEST 3\r
+ #define DHCP_DECLINE 4\r
+ #define DHCP_ACK 5\r
+ #define DHCP_NAK 6\r
+ #define DHCP_RELEASE 7\r
+\r
+ #define DHCP_HTYPE_ETHERNET 1\r
+\r
+ #define DHCP_OPTION_SUBNET_MASK 1\r
+ #define DHCP_OPTION_ROUTER 3\r
+ #define DHCP_OPTION_DNS_SERVER 6\r
+ #define DHCP_OPTION_REQ_IPADDR 50\r
+ #define DHCP_OPTION_LEASE_TIME 51\r
+ #define DHCP_OPTION_MSG_TYPE 53\r
+ #define DHCP_OPTION_SERVER_ID 54\r
+ #define DHCP_OPTION_REQ_LIST 55\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
+ enum DHCP_States_t\r
+ {\r
+ DHCP_STATE_SendDiscover,\r
+ DHCP_STATE_WaitForResponse,\r
+ DHCP_STATE_SendRequest,\r
+ DHCP_STATE_WaitForACK,\r
+ DHCP_STATE_AddressLeased,\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* Source);\r
+ bool DHCPApp_GetOption(uint8_t* DHCPOptionList, uint8_t Option, void* Destination);\r
+ \r
+#endif\r
projects / pub / lufa.git / blobdiff