/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2012.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
/* Includes: */
#include <stdio.h>
-
- #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 */
+ #include <uip.h>
- 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 "../Webserver.h"
+ #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 */
/* Function Prototypes: */
void DHCPClientApp_Init(void);
void DHCPClientApp_Callback(void);
-
+
#if defined(INCLUDE_FROM_DHCPCLIENTAPP_C)
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
+
projects / pub / USBasp.git / blobdiff