Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'

1 files changed, 159 insertions, 0 deletions

diff --git a/lib/lufa/Projects/Webserver/Lib/DHCPCommon.h b/lib/lufa/Projects/Webserver/Lib/DHCPCommon.h
new file mode 100644
index 000000000..8f54c1671
--- /dev/null
+++ b/lib/lufa/Projects/Webserver/Lib/DHCPCommon.h
@@ -0,0 +1,159 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  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 disclaims 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 common DHCP defines.
+ */
+
+#ifndef _DHCP_COMMON_H_
+#define _DHCP_COMMON_H_
+
+	/* Includes: */
+		#include <stdint.h>
+		#include <stdbool.h>
+		#include <string.h>
+
+		#include "Config/AppConfig.h"
+
+		#include <uip.h>
+
+	/* Macros: */
+		/** UDP listen port for a BOOTP server. */
+		#define DHCP_SERVER_PORT          67
+
+		/** UDP listen port for a BOOTP client. */
+		#define DHCP_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;
+
+	/* Function Prototypes: */
+		uint8_t  DHCPCommon_SetOption(uint8_t* DHCPOptionList,
+			                          const uint8_t Option,
+			                          const uint8_t DataLen,
+			                          void* const OptionData);
+		bool     DHCPCommon_GetOption(const uint8_t* DHCPOptionList,
+			                          const uint8_t Option,
+			                          void* const Destination);
+
+#endif
+