1 files changed, 737 insertions, 737 deletions
diff --git a/Projects/Webserver/Lib/uip/uipopt.h b/Projects/Webserver/Lib/uip/uipopt.h
index 7b9d19092..244ce1df1 100644
--- a/Projects/Webserver/Lib/uip/uipopt.h
+++ b/Projects/Webserver/Lib/uip/uipopt.h
@@ -1,737 +1,737 @@
-/**
- * \addtogroup uip
- * @{
- */
-
-/**
- * \defgroup uipopt Configuration options for uIP
- * @{
- *
- * uIP is configured using the per-project configuration file
- * "uipopt.h". This file contains all compile-time options for uIP and
- * should be tweaked to match each specific project. The uIP
- * distribution contains a documented example "uipopt.h" that can be
- * copied and modified for each project.
- */
-
-/**
- * \file
- * Configuration options for uIP.
- * \author Adam Dunkels <adam@dunkels.com>
- *
- * This file is used for tweaking various configuration options for
- * uIP. You should make a copy of this file into one of your project's
- * directories instead of editing this example "uipopt.h" file that
- * comes with the uIP distribution.
- */
-
-/*
- * Copyright (c) 2001-2003, Adam Dunkels.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote
- *    products derived from this software without specific prior
- *    written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This file is part of the uIP TCP/IP stack.
- *
- * $Id: uipopt.h,v 1.11 2009/04/10 00:37:48 adamdunkels Exp $
- *
- */
-
-#ifndef __UIPOPT_H__
-#define __UIPOPT_H__
-
-#ifndef UIP_LITTLE_ENDIAN
-#define UIP_LITTLE_ENDIAN  3412
-#endif /* UIP_LITTLE_ENDIAN */
-#ifndef UIP_BIG_ENDIAN
-#define UIP_BIG_ENDIAN     1234
-#endif /* UIP_BIG_ENDIAN */
-
-/*------------------------------------------------------------------------------*/
-
-/**
- * \defgroup uipoptstaticconf Static configuration options
- * @{
- *
- * These configuration options can be used for setting the IP address
- * settings statically, but only if UIP_FIXEDADDR is set to 1. The
- * configuration options for a specific node includes IP address,
- * netmask and default router as well as the Ethernet address. The
- * netmask, default router and Ethernet address are applicable only
- * if uIP should be run over Ethernet.
- *
- * This options are meaningful only for the IPv4 code.
- *
- * All of these should be changed to suit your project.
- */
-
-/**
- * Determines if uIP should use a fixed IP address or not.
- *
- * If uIP should use a fixed IP address, the settings are set in the
- * uipopt.h file. If not, the macros uip_sethostaddr(),
- * uip_setdraddr() and uip_setnetmask() should be used instead.
- *
- * \hideinitializer
- */
-#define UIP_FIXEDADDR    0
-
-/**
- * Ping IP address assignment.
- *
- * uIP uses a "ping" packets for setting its own IP address if this
- * option is set. If so, uIP will start with an empty IP address and
- * the destination IP address of the first incoming "ping" (ICMP echo)
- * packet will be used for setting the hosts IP address.
- *
- * \note This works only if UIP_FIXEDADDR is 0.
- *
- * \hideinitializer
- */
-#ifdef UIP_CONF_PINGADDRCONF
-#define UIP_PINGADDRCONF UIP_CONF_PINGADDRCONF
-#else /* UIP_CONF_PINGADDRCONF */
-#define UIP_PINGADDRCONF 0
-#endif /* UIP_CONF_PINGADDRCONF */
-
-
-/**
- * Specifies if the uIP ARP module should be compiled with a fixed
- * Ethernet MAC address or not.
- *
- * If this configuration option is 0, the macro uip_setethaddr() can
- * be used to specify the Ethernet address at run-time.
- *
- * \hideinitializer
- */
-#define UIP_FIXEDETHADDR 0
-
-/** @} */
-/*------------------------------------------------------------------------------*/
-/**
- * \defgroup uipoptip IP configuration options
- * @{
- *
- */
-/**
- * The IP TTL (time to live) of IP packets sent by uIP.
- *
- * This should normally not be changed.
- */
-#define UIP_TTL         64
-
-/**
- * The maximum time an IP fragment should wait in the reassembly
- * buffer before it is dropped.
- *
- */
-#define UIP_REASS_MAXAGE 60 /*60s*/
-
-/**
- * Turn on support for IP packet reassembly.
- *
- * uIP supports reassembly of fragmented IP packets. This features
- * requires an additional amount of RAM to hold the reassembly buffer
- * and the reassembly code size is approximately 700 bytes.  The
- * reassembly buffer is of the same size as the uip_buf buffer
- * (configured by UIP_BUFSIZE).
- *
- * \note IP packet reassembly is not heavily tested.
- *
- * \hideinitializer
- */
-#ifdef UIP_CONF_REASSEMBLY
-#define UIP_REASSEMBLY UIP_CONF_REASSEMBLY
-#else /* UIP_CONF_REASSEMBLY */
-#define UIP_REASSEMBLY 0
-#endif /* UIP_CONF_REASSEMBLY */
-/** @} */
-
-/*------------------------------------------------------------------------------*/
-/**
- * \defgroup uipoptipv6 IPv6 configuration options
- * @{
- *
- */
-
-/** The maximum transmission unit at the IP Layer*/
-#define UIP_LINK_MTU 1280
-
-#ifndef UIP_CONF_IPV6
-/** Do we use IPv6 or not (default: no) */
-#define UIP_CONF_IPV6                 0
-#endif
-
-#ifndef UIP_CONF_IPV6_QUEUE_PKT
-/** Do we do per %neighbor queuing during address resolution (default: no) */
-#define UIP_CONF_IPV6_QUEUE_PKT       0
-#endif
-
-#ifndef UIP_CONF_IPV6_CHECKS 
-/** Do we do IPv6 consistency checks (highly recommended, default: yes) */
-#define UIP_CONF_IPV6_CHECKS          1
-#endif
-
-#ifndef UIP_CONF_IPV6_REASSEMBLY 
-/** Do we do IPv6 fragmentation (default: no) */
-#define UIP_CONF_IPV6_REASSEMBLY      0
-#endif
-
-#ifndef UIP_CONF_NETIF_MAX_ADDRESSES
-/** Default number of IPv6 addresses associated to the node's interface */
-#define UIP_CONF_NETIF_MAX_ADDRESSES  3
-#endif
-
-#ifndef UIP_CONF_ND6_MAX_PREFIXES 
-/** Default number of IPv6 prefixes associated to the node's interface */
-#define UIP_CONF_ND6_MAX_PREFIXES     3
-#endif
-
-#ifndef UIP_CONF_ND6_MAX_NEIGHBORS 
-/** Default number of neighbors that can be stored in the %neighbor cache */
-#define UIP_CONF_ND6_MAX_NEIGHBORS    4  
-#endif
-
-#ifndef UIP_CONF_ND6_MAX_DEFROUTERS
-/** Minimum number of default routers */
-#define UIP_CONF_ND6_MAX_DEFROUTERS   2
-#endif
-/** @} */
-
-/*------------------------------------------------------------------------------*/
-/**
- * \defgroup uipoptudp UDP configuration options
- * @{
- *
- * \note The UDP support in uIP is still not entirely complete; there
- * is no support for sending or receiving broadcast or multicast
- * packets, but it works well enough to support a number of vital
- * applications such as DNS queries, though
- */
-
-/**
- * Toggles whether UDP support should be compiled in or not.
- *
- * \hideinitializer
- */
-#ifdef UIP_CONF_UDP
-#define UIP_UDP UIP_CONF_UDP
-#else /* UIP_CONF_UDP */
-#define UIP_UDP           1
-#endif /* UIP_CONF_UDP */
-
-/**
- * Toggles if UDP checksums should be used or not.
- *
- * \note Support for UDP checksums is currently not included in uIP,
- * so this option has no function.
- *
- * \hideinitializer
- */
-#ifdef UIP_CONF_UDP_CHECKSUMS
-#define UIP_UDP_CHECKSUMS UIP_CONF_UDP_CHECKSUMS
-#else
-#define UIP_UDP_CHECKSUMS 0
-#endif
-
-/**
- * The maximum amount of concurrent UDP connections.
- *
- * \hideinitializer
- */
-#ifdef UIP_CONF_UDP_CONNS
-#define UIP_UDP_CONNS UIP_CONF_UDP_CONNS
-#else /* UIP_CONF_UDP_CONNS */
-#define UIP_UDP_CONNS    10
-#endif /* UIP_CONF_UDP_CONNS */
-
-/**
- * The name of the function that should be called when UDP datagrams arrive.
- *
- * \hideinitializer
- */
-
-
-/** @} */
-/*------------------------------------------------------------------------------*/
-/**
- * \defgroup uipopttcp TCP configuration options
- * @{
- */
-
-/**
- * Toggles whether UDP support should be compiled in or not.
- *
- * \hideinitializer
- */
-#ifdef UIP_CONF_TCP
-#define UIP_TCP UIP_CONF_TCP
-#else /* UIP_CONF_UDP */
-#define UIP_TCP           1
-#endif /* UIP_CONF_UDP */
-
-/**
- * Determines if support for opening connections from uIP should be
- * compiled in.
- *
- * If the applications that are running on top of uIP for this project
- * do not need to open outgoing TCP connections, this configuration
- * option can be turned off to reduce the code size of uIP.
- *
- * \hideinitializer
- */
-#ifndef UIP_CONF_ACTIVE_OPEN
-#define UIP_ACTIVE_OPEN 1
-#else /* UIP_CONF_ACTIVE_OPEN */
-#define UIP_ACTIVE_OPEN UIP_CONF_ACTIVE_OPEN
-#endif /* UIP_CONF_ACTIVE_OPEN */
-
-/**
- * The maximum number of simultaneously open TCP connections.
- *
- * Since the TCP connections are statically allocated, turning this
- * configuration knob down results in less RAM used. Each TCP
- * connection requires approximately 30 bytes of memory.
- *
- * \hideinitializer
- */
-#ifndef UIP_CONF_MAX_CONNECTIONS
-#define UIP_CONNS       10
-#else /* UIP_CONF_MAX_CONNECTIONS */
-#define UIP_CONNS UIP_CONF_MAX_CONNECTIONS
-#endif /* UIP_CONF_MAX_CONNECTIONS */
-
-
-/**
- * The maximum number of simultaneously listening TCP ports.
- *
- * Each listening TCP port requires 2 bytes of memory.
- *
- * \hideinitializer
- */
-#ifndef UIP_CONF_MAX_LISTENPORTS
-#define UIP_LISTENPORTS 20
-#else /* UIP_CONF_MAX_LISTENPORTS */
-#define UIP_LISTENPORTS UIP_CONF_MAX_LISTENPORTS
-#endif /* UIP_CONF_MAX_LISTENPORTS */
-
-/**
- * Determines if support for TCP urgent data notification should be
- * compiled in.
- *
- * Urgent data (out-of-band data) is a rarely used TCP feature that
- * very seldom would be required.
- *
- * \hideinitializer
- */
-#if !defined(UIP_URGDATA)
-#define UIP_URGDATA      0
-#endif
-
-/**
- * The initial retransmission timeout counted in timer pulses.
- *
- * This should not be changed.
- */
-#if !defined(UIP_RTO)
-#define UIP_RTO         3
-#endif
-
-/**
- * The maximum number of times a segment should be retransmitted
- * before the connection should be aborted.
- *
- * This should not be changed.
- */
-#if !defined(UIP_MAXRTX)
-#define UIP_MAXRTX      8
-#endif
-
-/**
- * The maximum number of times a SYN segment should be retransmitted
- * before a connection request should be deemed to have been
- * unsuccessful.
- *
- * This should not need to be changed.
- */
-#if !defined(UIP_MAXSYNRTX)
-#define UIP_MAXSYNRTX      5
-#endif
-
-/**
- * The TCP maximum segment size.
- *
- * This is should not be to set to more than
- * UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN.
- */
-#ifdef UIP_CONF_TCP_MSS
-#define UIP_TCP_MSS UIP_CONF_TCP_MSS
-#else
-#define UIP_TCP_MSS     (UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN)
-#endif
-
-/**
- * The size of the advertised receiver's window.
- *
- * Should be set low (i.e., to the size of the uip_buf buffer) if the
- * application is slow to process incoming data, or high (32768 bytes)
- * if the application processes data quickly.
- *
- * \hideinitializer
- */
-#ifndef UIP_CONF_RECEIVE_WINDOW
-#define UIP_RECEIVE_WINDOW UIP_TCP_MSS
-#else
-#define UIP_RECEIVE_WINDOW UIP_CONF_RECEIVE_WINDOW
-#endif
-
-/**
- * How long a connection should stay in the TIME_WAIT state.
- *
- * This configuration option has no real implication, and it should be
- * left untouched.
- */
-#define UIP_TIME_WAIT_TIMEOUT 120
-
-
-/** @} */
-/*------------------------------------------------------------------------------*/
-/**
- * \defgroup uipoptarp ARP configuration options
- * @{
- */
-
-/**
- * The size of the ARP table.
- *
- * This option should be set to a larger value if this uIP node will
- * have many connections from the local network.
- *
- * \hideinitializer
- */
-#ifdef UIP_CONF_ARPTAB_SIZE
-#define UIP_ARPTAB_SIZE UIP_CONF_ARPTAB_SIZE
-#else
-#define UIP_ARPTAB_SIZE 8
-#endif
-
-/**
- * The maximum age of ARP table entries measured in 10ths of seconds.
- *
- * An UIP_ARP_MAXAGE of 120 corresponds to 20 minutes (BSD
- * default).
- */
-#define UIP_ARP_MAXAGE 120
-
-
-/** @} */
-
-/*------------------------------------------------------------------------------*/
-
-/**
- * \defgroup uipoptmac layer 2 options (for ipv6)
- * @{
- */
-
-#define UIP_DEFAULT_PREFIX_LEN 64
-
-/** @} */
-
-/*------------------------------------------------------------------------------*/
-
-/**
- * \defgroup uipoptsics 6lowpan options (for ipv6)
- * @{
- */
-/**
- * Timeout for packet reassembly at the 6lowpan layer
- * (should be < 60s)
- */
-#ifdef SICSLOWPAN_CONF_MAXAGE
-#define SICSLOWPAN_REASS_MAXAGE SICSLOWPAN_CONF_MAXAGE
-#else
-#define SICSLOWPAN_REASS_MAXAGE 20
-#endif
-
-/**
- * Do we compress the IP header or not (default: no)
- */
-#ifndef SICSLOWPAN_CONF_COMPRESSION
-#define SICSLOWPAN_CONF_COMPRESSION 0
-#endif
-
-/**
- * If we use IPHC compression, how many address contexts do we support
- */
-#ifndef SICSLOWPAN_CONF_MAX_ADDR_CONTEXTS 
-#define SICSLOWPAN_CONF_MAX_ADDR_CONTEXTS 1
-#endif
-
-/**
- * Do we support 6lowpan fragmentation
- */
-#ifndef SICSLOWPAN_CONF_FRAG  
-#define SICSLOWPAN_CONF_FRAG  0
-#endif
-
-/** @} */
-
-/*------------------------------------------------------------------------------*/
-
-/**
- * \defgroup uipoptgeneral General configuration options
- * @{
- */
-
-/**
- * The size of the uIP packet buffer.
- *
- * The uIP packet buffer should not be smaller than 60 bytes, and does
- * not need to be larger than 1514 bytes. Lower size results in lower
- * TCP throughput, larger size results in higher TCP throughput.
- *
- * \hideinitializer
- */
-#ifndef UIP_CONF_BUFFER_SIZE
-#define UIP_BUFSIZE UIP_LINK_MTU + UIP_LLH_LEN
-#else /* UIP_CONF_BUFFER_SIZE */
-#define UIP_BUFSIZE UIP_CONF_BUFFER_SIZE
-#endif /* UIP_CONF_BUFFER_SIZE */
-
-
-/**
- * Determines if statistics support should be compiled in.
- *
- * The statistics is useful for debugging and to show the user.
- *
- * \hideinitializer
- */
-#ifndef UIP_CONF_STATISTICS
-#define UIP_STATISTICS  0
-#else /* UIP_CONF_STATISTICS */
-#define UIP_STATISTICS UIP_CONF_STATISTICS
-#endif /* UIP_CONF_STATISTICS */
-
-/**
- * Determines if logging of certain events should be compiled in.
- *
- * This is useful mostly for debugging. The function uip_log()
- * must be implemented to suit the architecture of the project, if
- * logging is turned on.
- *
- * \hideinitializer
- */
-#ifndef UIP_CONF_LOGGING
-#define UIP_LOGGING     0
-#else /* UIP_CONF_LOGGING */
-#define UIP_LOGGING     UIP_CONF_LOGGING
-#endif /* UIP_CONF_LOGGING */
-
-/**
- * Broadcast support.
- *
- * This flag configures IP broadcast support. This is useful only
- * together with UDP.
- *
- * \hideinitializer
- *
- */
-#ifndef UIP_CONF_BROADCAST
-#define UIP_BROADCAST 0
-#else /* UIP_CONF_BROADCAST */
-#define UIP_BROADCAST UIP_CONF_BROADCAST
-#endif /* UIP_CONF_BROADCAST */
-
-/**
- * Print out a uIP log message.
- *
- * This function must be implemented by the module that uses uIP, and
- * is called by uIP whenever a log message is generated.
- */
-void uip_log(char *msg);
-
-/**
- * The link level header length.
- *
- * This is the offset into the uip_buf where the IP header can be
- * found. For Ethernet, this should be set to 14. For SLIP, this
- * should be set to 0.
- *
- * \note we probably won't use this constant for other link layers than
- * ethernet as they have variable header length (this is due to variable
- * number and type of address fields and to optional security features)
- * E.g.: 802.15.4 -> 2 + (1/2*4/8) + 0/5/6/10/14
- *       802.11 -> 4 + (6*3/4) + 2
- * \hideinitializer
- */
-#ifdef UIP_CONF_LLH_LEN
-#define UIP_LLH_LEN UIP_CONF_LLH_LEN
-#else /* UIP_LLH_LEN */
-#define UIP_LLH_LEN     14
-#endif /* UIP_CONF_LLH_LEN */
-
-/** @} */
-/*------------------------------------------------------------------------------*/
-/**
- * \defgroup uipoptcpu CPU architecture configuration
- * @{
- *
- * The CPU architecture configuration is where the endianess of the
- * CPU on which uIP is to be run is specified. Most CPUs today are
- * little endian, and the most notable exception are the Motorolas
- * which are big endian. The BYTE_ORDER macro should be changed to
- * reflect the CPU architecture on which uIP is to be run.
- */
-
-/**
- * The byte order of the CPU architecture on which uIP is to be run.
- *
- * This option can be either UIP_BIG_ENDIAN (Motorola byte order) or
- * UIP_LITTLE_ENDIAN (Intel byte order).
- *
- * \hideinitializer
- */
-#ifdef UIP_CONF_BYTE_ORDER
-#define UIP_BYTE_ORDER     UIP_CONF_BYTE_ORDER
-#else /* UIP_CONF_BYTE_ORDER */
-#define UIP_BYTE_ORDER     UIP_LITTLE_ENDIAN
-#endif /* UIP_CONF_BYTE_ORDER */
-
-/** @} */
-/*------------------------------------------------------------------------------*/
-
-#include <ff.h>
-#include <stdbool.h>
-#include <stdint.h>
-
-#include "timer.h"
-
-typedef uint8_t u8_t;
-typedef uint16_t u16_t;
-typedef uint32_t u32_t;
-typedef uint32_t uip_stats_t;
-
-/**
- * \defgroup uipoptapp Application specific configurations
- * @{
- *
- * An uIP application is implemented using a single application
- * function that is called by uIP whenever a TCP/IP event occurs. The
- * name of this function must be registered with uIP at compile time
- * using the UIP_APPCALL definition.
- *
- * uIP applications can store the application state within the
- * uip_conn structure by specifying the type of the application
- * structure by typedef:ing the type uip_tcp_appstate_t and uip_udp_appstate_t.
- *
- * The file containing the definitions must be included in the
- * uipopt.h file.
- *
- * The following example illustrates how this can look.
- \code
-
- void httpd_appcall(void);
- #define UIP_APPCALL     httpd_appcall
-
- struct httpd_state {
- u8_t state;
- u16_t count;
- char *dataptr;
- char *script;
- };
- typedef struct httpd_state uip_tcp_appstate_t
- \endcode
-*/
-#define UIP_UDP_APPCALL uIPManagement_UDPCallback
-void UIP_UDP_APPCALL(void);
-
-/**
- * \var #define UIP_APPCALL
- *
- * The name of the application function that uIP should call in
- * response to TCP/IP events.
- *
- */
-#define UIP_APPCALL     uIPManagement_TCPCallback
-void UIP_APPCALL(void);
-
-/**
- * \var typedef uip_tcp_appstate_t
- *
- * The type of the application state that is to be stored in the
- * uip_conn structure. This usually is typedef:ed to a struct holding
- * application state information.
- */
-typedef union
-{
-	struct
-	{
-		uint8_t  CurrentState;
-		uint8_t  NextState;
-		
-		char     FileName[MAX_URI_LENGTH];
-		FIL      FileHandle;
-		bool     FileOpen;
-		uint32_t ACKedFilePos;
-		uint16_t SentChunkSize;
-	} HTTPServer;
-	
-	struct
-	{
-		uint8_t  CurrentState;
-		uint8_t  NextState;
-		
-		uint8_t  IssuedCommand;
-	} TELNETServer;
-} uip_tcp_appstate_t;
-
-/**
- * \var typedef uip_udp_appstate_t
- *
- * The type of the application state that is to be stored in the
- * uip_conn structure. This usually is typedef:ed to a struct holding
- * application state information.
- */
-typedef union
-{
-	struct
-	{
-		uint8_t      CurrentState;
-		struct timer Timeout;
-		
-		struct
-		{
-			uint8_t AllocatedIP[4];
-			uint8_t Netmask[4];
-			uint8_t GatewayIP[4];
-			uint8_t ServerIP[4];
-		} DHCPOffer_Data;
-	} DHCPClient;
-} uip_udp_appstate_t;
-/** @} */
-
-#endif /* __UIPOPT_H__ */
-/** @} */
-/** @} */
+/**
+ * \addtogroup uip
+ * @{
+ */
+
+/**
+ * \defgroup uipopt Configuration options for uIP
+ * @{
+ *
+ * uIP is configured using the per-project configuration file
+ * "uipopt.h". This file contains all compile-time options for uIP and
+ * should be tweaked to match each specific project. The uIP
+ * distribution contains a documented example "uipopt.h" that can be
+ * copied and modified for each project.
+ */
+
+/**
+ * \file
+ * Configuration options for uIP.
+ * \author Adam Dunkels <adam@dunkels.com>
+ *
+ * This file is used for tweaking various configuration options for
+ * uIP. You should make a copy of this file into one of your project's
+ * directories instead of editing this example "uipopt.h" file that
+ * comes with the uIP distribution.
+ */
+
+/*
+ * Copyright (c) 2001-2003, Adam Dunkels.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This file is part of the uIP TCP/IP stack.
+ *
+ * $Id: uipopt.h,v 1.11 2009/04/10 00:37:48 adamdunkels Exp $
+ *
+ */
+
+#ifndef __UIPOPT_H__
+#define __UIPOPT_H__
+
+#ifndef UIP_LITTLE_ENDIAN
+#define UIP_LITTLE_ENDIAN  3412
+#endif /* UIP_LITTLE_ENDIAN */
+#ifndef UIP_BIG_ENDIAN
+#define UIP_BIG_ENDIAN     1234
+#endif /* UIP_BIG_ENDIAN */
+
+/*------------------------------------------------------------------------------*/
+
+/**
+ * \defgroup uipoptstaticconf Static configuration options
+ * @{
+ *
+ * These configuration options can be used for setting the IP address
+ * settings statically, but only if UIP_FIXEDADDR is set to 1. The
+ * configuration options for a specific node includes IP address,
+ * netmask and default router as well as the Ethernet address. The
+ * netmask, default router and Ethernet address are applicable only
+ * if uIP should be run over Ethernet.
+ *
+ * This options are meaningful only for the IPv4 code.
+ *
+ * All of these should be changed to suit your project.
+ */
+
+/**
+ * Determines if uIP should use a fixed IP address or not.
+ *
+ * If uIP should use a fixed IP address, the settings are set in the
+ * uipopt.h file. If not, the macros uip_sethostaddr(),
+ * uip_setdraddr() and uip_setnetmask() should be used instead.
+ *
+ * \hideinitializer
+ */
+#define UIP_FIXEDADDR    0
+
+/**
+ * Ping IP address assignment.
+ *
+ * uIP uses a "ping" packets for setting its own IP address if this
+ * option is set. If so, uIP will start with an empty IP address and
+ * the destination IP address of the first incoming "ping" (ICMP echo)
+ * packet will be used for setting the hosts IP address.
+ *
+ * \note This works only if UIP_FIXEDADDR is 0.
+ *
+ * \hideinitializer
+ */
+#ifdef UIP_CONF_PINGADDRCONF
+#define UIP_PINGADDRCONF UIP_CONF_PINGADDRCONF
+#else /* UIP_CONF_PINGADDRCONF */
+#define UIP_PINGADDRCONF 0
+#endif /* UIP_CONF_PINGADDRCONF */
+
+
+/**
+ * Specifies if the uIP ARP module should be compiled with a fixed
+ * Ethernet MAC address or not.
+ *
+ * If this configuration option is 0, the macro uip_setethaddr() can
+ * be used to specify the Ethernet address at run-time.
+ *
+ * \hideinitializer
+ */
+#define UIP_FIXEDETHADDR 0
+
+/** @} */
+/*------------------------------------------------------------------------------*/
+/**
+ * \defgroup uipoptip IP configuration options
+ * @{
+ *
+ */
+/**
+ * The IP TTL (time to live) of IP packets sent by uIP.
+ *
+ * This should normally not be changed.
+ */
+#define UIP_TTL         64
+
+/**
+ * The maximum time an IP fragment should wait in the reassembly
+ * buffer before it is dropped.
+ *
+ */
+#define UIP_REASS_MAXAGE 60 /*60s*/
+
+/**
+ * Turn on support for IP packet reassembly.
+ *
+ * uIP supports reassembly of fragmented IP packets. This features
+ * requires an additional amount of RAM to hold the reassembly buffer
+ * and the reassembly code size is approximately 700 bytes.  The
+ * reassembly buffer is of the same size as the uip_buf buffer
+ * (configured by UIP_BUFSIZE).
+ *
+ * \note IP packet reassembly is not heavily tested.
+ *
+ * \hideinitializer
+ */
+#ifdef UIP_CONF_REASSEMBLY
+#define UIP_REASSEMBLY UIP_CONF_REASSEMBLY
+#else /* UIP_CONF_REASSEMBLY */
+#define UIP_REASSEMBLY 0
+#endif /* UIP_CONF_REASSEMBLY */
+/** @} */
+
+/*------------------------------------------------------------------------------*/
+/**
+ * \defgroup uipoptipv6 IPv6 configuration options
+ * @{
+ *
+ */
+
+/** The maximum transmission unit at the IP Layer*/
+#define UIP_LINK_MTU 1280
+
+#ifndef UIP_CONF_IPV6
+/** Do we use IPv6 or not (default: no) */
+#define UIP_CONF_IPV6                 0
+#endif
+
+#ifndef UIP_CONF_IPV6_QUEUE_PKT
+/** Do we do per %neighbor queuing during address resolution (default: no) */
+#define UIP_CONF_IPV6_QUEUE_PKT       0
+#endif
+
+#ifndef UIP_CONF_IPV6_CHECKS 
+/** Do we do IPv6 consistency checks (highly recommended, default: yes) */
+#define UIP_CONF_IPV6_CHECKS          1
+#endif
+
+#ifndef UIP_CONF_IPV6_REASSEMBLY 
+/** Do we do IPv6 fragmentation (default: no) */
+#define UIP_CONF_IPV6_REASSEMBLY      0
+#endif
+
+#ifndef UIP_CONF_NETIF_MAX_ADDRESSES
+/** Default number of IPv6 addresses associated to the node's interface */
+#define UIP_CONF_NETIF_MAX_ADDRESSES  3
+#endif
+
+#ifndef UIP_CONF_ND6_MAX_PREFIXES 
+/** Default number of IPv6 prefixes associated to the node's interface */
+#define UIP_CONF_ND6_MAX_PREFIXES     3
+#endif
+
+#ifndef UIP_CONF_ND6_MAX_NEIGHBORS 
+/** Default number of neighbors that can be stored in the %neighbor cache */
+#define UIP_CONF_ND6_MAX_NEIGHBORS    4  
+#endif
+
+#ifndef UIP_CONF_ND6_MAX_DEFROUTERS
+/** Minimum number of default routers */
+#define UIP_CONF_ND6_MAX_DEFROUTERS   2
+#endif
+/** @} */
+
+/*------------------------------------------------------------------------------*/
+/**
+ * \defgroup uipoptudp UDP configuration options
+ * @{
+ *
+ * \note The UDP support in uIP is still not entirely complete; there
+ * is no support for sending or receiving broadcast or multicast
+ * packets, but it works well enough to support a number of vital
+ * applications such as DNS queries, though
+ */
+
+/**
+ * Toggles whether UDP support should be compiled in or not.
+ *
+ * \hideinitializer
+ */
+#ifdef UIP_CONF_UDP
+#define UIP_UDP UIP_CONF_UDP
+#else /* UIP_CONF_UDP */
+#define UIP_UDP           1
+#endif /* UIP_CONF_UDP */
+
+/**
+ * Toggles if UDP checksums should be used or not.
+ *
+ * \note Support for UDP checksums is currently not included in uIP,
+ * so this option has no function.
+ *
+ * \hideinitializer
+ */
+#ifdef UIP_CONF_UDP_CHECKSUMS
+#define UIP_UDP_CHECKSUMS UIP_CONF_UDP_CHECKSUMS
+#else
+#define UIP_UDP_CHECKSUMS 0
+#endif
+
+/**
+ * The maximum amount of concurrent UDP connections.
+ *
+ * \hideinitializer
+ */
+#ifdef UIP_CONF_UDP_CONNS
+#define UIP_UDP_CONNS UIP_CONF_UDP_CONNS
+#else /* UIP_CONF_UDP_CONNS */
+#define UIP_UDP_CONNS    10
+#endif /* UIP_CONF_UDP_CONNS */
+
+/**
+ * The name of the function that should be called when UDP datagrams arrive.
+ *
+ * \hideinitializer
+ */
+
+
+/** @} */
+/*------------------------------------------------------------------------------*/
+/**
+ * \defgroup uipopttcp TCP configuration options
+ * @{
+ */
+
+/**
+ * Toggles whether UDP support should be compiled in or not.
+ *
+ * \hideinitializer
+ */
+#ifdef UIP_CONF_TCP
+#define UIP_TCP UIP_CONF_TCP
+#else /* UIP_CONF_UDP */
+#define UIP_TCP           1
+#endif /* UIP_CONF_UDP */
+
+/**
+ * Determines if support for opening connections from uIP should be
+ * compiled in.
+ *
+ * If the applications that are running on top of uIP for this project
+ * do not need to open outgoing TCP connections, this configuration
+ * option can be turned off to reduce the code size of uIP.
+ *
+ * \hideinitializer
+ */
+#ifndef UIP_CONF_ACTIVE_OPEN
+#define UIP_ACTIVE_OPEN 1
+#else /* UIP_CONF_ACTIVE_OPEN */
+#define UIP_ACTIVE_OPEN UIP_CONF_ACTIVE_OPEN
+#endif /* UIP_CONF_ACTIVE_OPEN */
+
+/**
+ * The maximum number of simultaneously open TCP connections.
+ *
+ * Since the TCP connections are statically allocated, turning this
+ * configuration knob down results in less RAM used. Each TCP
+ * connection requires approximately 30 bytes of memory.
+ *
+ * \hideinitializer
+ */
+#ifndef UIP_CONF_MAX_CONNECTIONS
+#define UIP_CONNS       10
+#else /* UIP_CONF_MAX_CONNECTIONS */
+#define UIP_CONNS UIP_CONF_MAX_CONNECTIONS
+#endif /* UIP_CONF_MAX_CONNECTIONS */
+
+
+/**
+ * The maximum number of simultaneously listening TCP ports.
+ *
+ * Each listening TCP port requires 2 bytes of memory.
+ *
+ * \hideinitializer
+ */
+#ifndef UIP_CONF_MAX_LISTENPORTS
+#define UIP_LISTENPORTS 20
+#else /* UIP_CONF_MAX_LISTENPORTS */
+#define UIP_LISTENPORTS UIP_CONF_MAX_LISTENPORTS
+#endif /* UIP_CONF_MAX_LISTENPORTS */
+
+/**
+ * Determines if support for TCP urgent data notification should be
+ * compiled in.
+ *
+ * Urgent data (out-of-band data) is a rarely used TCP feature that
+ * very seldom would be required.
+ *
+ * \hideinitializer
+ */
+#if !defined(UIP_URGDATA)
+#define UIP_URGDATA      0
+#endif
+
+/**
+ * The initial retransmission timeout counted in timer pulses.
+ *
+ * This should not be changed.
+ */
+#if !defined(UIP_RTO)
+#define UIP_RTO         3
+#endif
+
+/**
+ * The maximum number of times a segment should be retransmitted
+ * before the connection should be aborted.
+ *
+ * This should not be changed.
+ */
+#if !defined(UIP_MAXRTX)
+#define UIP_MAXRTX      8
+#endif
+
+/**
+ * The maximum number of times a SYN segment should be retransmitted
+ * before a connection request should be deemed to have been
+ * unsuccessful.
+ *
+ * This should not need to be changed.
+ */
+#if !defined(UIP_MAXSYNRTX)
+#define UIP_MAXSYNRTX      5
+#endif
+
+/**
+ * The TCP maximum segment size.
+ *
+ * This is should not be to set to more than
+ * UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN.
+ */
+#ifdef UIP_CONF_TCP_MSS
+#define UIP_TCP_MSS UIP_CONF_TCP_MSS
+#else
+#define UIP_TCP_MSS     (UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN)
+#endif
+
+/**
+ * The size of the advertised receiver's window.
+ *
+ * Should be set low (i.e., to the size of the uip_buf buffer) if the
+ * application is slow to process incoming data, or high (32768 bytes)
+ * if the application processes data quickly.
+ *
+ * \hideinitializer
+ */
+#ifndef UIP_CONF_RECEIVE_WINDOW
+#define UIP_RECEIVE_WINDOW UIP_TCP_MSS
+#else
+#define UIP_RECEIVE_WINDOW UIP_CONF_RECEIVE_WINDOW
+#endif
+
+/**
+ * How long a connection should stay in the TIME_WAIT state.
+ *
+ * This configuration option has no real implication, and it should be
+ * left untouched.
+ */
+#define UIP_TIME_WAIT_TIMEOUT 120
+
+
+/** @} */
+/*------------------------------------------------------------------------------*/
+/**
+ * \defgroup uipoptarp ARP configuration options
+ * @{
+ */
+
+/**
+ * The size of the ARP table.
+ *
+ * This option should be set to a larger value if this uIP node will
+ * have many connections from the local network.
+ *
+ * \hideinitializer
+ */
+#ifdef UIP_CONF_ARPTAB_SIZE
+#define UIP_ARPTAB_SIZE UIP_CONF_ARPTAB_SIZE
+#else
+#define UIP_ARPTAB_SIZE 8
+#endif
+
+/**
+ * The maximum age of ARP table entries measured in 10ths of seconds.
+ *
+ * An UIP_ARP_MAXAGE of 120 corresponds to 20 minutes (BSD
+ * default).
+ */
+#define UIP_ARP_MAXAGE 120
+
+
+/** @} */
+
+/*------------------------------------------------------------------------------*/
+
+/**
+ * \defgroup uipoptmac layer 2 options (for ipv6)
+ * @{
+ */
+
+#define UIP_DEFAULT_PREFIX_LEN 64
+
+/** @} */
+
+/*------------------------------------------------------------------------------*/
+
+/**
+ * \defgroup uipoptsics 6lowpan options (for ipv6)
+ * @{
+ */
+/**
+ * Timeout for packet reassembly at the 6lowpan layer
+ * (should be < 60s)
+ */
+#ifdef SICSLOWPAN_CONF_MAXAGE
+#define SICSLOWPAN_REASS_MAXAGE SICSLOWPAN_CONF_MAXAGE
+#else
+#define SICSLOWPAN_REASS_MAXAGE 20
+#endif
+
+/**
+ * Do we compress the IP header or not (default: no)
+ */
+#ifndef SICSLOWPAN_CONF_COMPRESSION
+#define SICSLOWPAN_CONF_COMPRESSION 0
+#endif
+
+/**
+ * If we use IPHC compression, how many address contexts do we support
+ */
+#ifndef SICSLOWPAN_CONF_MAX_ADDR_CONTEXTS 
+#define SICSLOWPAN_CONF_MAX_ADDR_CONTEXTS 1
+#endif
+
+/**
+ * Do we support 6lowpan fragmentation
+ */
+#ifndef SICSLOWPAN_CONF_FRAG  
+#define SICSLOWPAN_CONF_FRAG  0
+#endif
+
+/** @} */
+
+/*------------------------------------------------------------------------------*/
+
+/**
+ * \defgroup uipoptgeneral General configuration options
+ * @{
+ */
+
+/**
+ * The size of the uIP packet buffer.
+ *
+ * The uIP packet buffer should not be smaller than 60 bytes, and does
+ * not need to be larger than 1514 bytes. Lower size results in lower
+ * TCP throughput, larger size results in higher TCP throughput.
+ *
+ * \hideinitializer
+ */
+#ifndef UIP_CONF_BUFFER_SIZE
+#define UIP_BUFSIZE UIP_LINK_MTU + UIP_LLH_LEN
+#else /* UIP_CONF_BUFFER_SIZE */
+#define UIP_BUFSIZE UIP_CONF_BUFFER_SIZE
+#endif /* UIP_CONF_BUFFER_SIZE */
+
+
+/**
+ * Determines if statistics support should be compiled in.
+ *
+ * The statistics is useful for debugging and to show the user.
+ *
+ * \hideinitializer
+ */
+#ifndef UIP_CONF_STATISTICS
+#define UIP_STATISTICS  0
+#else /* UIP_CONF_STATISTICS */
+#define UIP_STATISTICS UIP_CONF_STATISTICS
+#endif /* UIP_CONF_STATISTICS */
+
+/**
+ * Determines if logging of certain events should be compiled in.
+ *
+ * This is useful mostly for debugging. The function uip_log()
+ * must be implemented to suit the architecture of the project, if
+ * logging is turned on.
+ *
+ * \hideinitializer
+ */
+#ifndef UIP_CONF_LOGGING
+#define UIP_LOGGING     0
+#else /* UIP_CONF_LOGGING */
+#define UIP_LOGGING     UIP_CONF_LOGGING
+#endif /* UIP_CONF_LOGGING */
+
+/**
+ * Broadcast support.
+ *
+ * This flag configures IP broadcast support. This is useful only
+ * together with UDP.
+ *
+ * \hideinitializer
+ *
+ */
+#ifndef UIP_CONF_BROADCAST
+#define UIP_BROADCAST 0
+#else /* UIP_CONF_BROADCAST */
+#define UIP_BROADCAST UIP_CONF_BROADCAST
+#endif /* UIP_CONF_BROADCAST */
+
+/**
+ * Print out a uIP log message.
+ *
+ * This function must be implemented by the module that uses uIP, and
+ * is called by uIP whenever a log message is generated.
+ */
+void uip_log(char *msg);
+
+/**
+ * The link level header length.
+ *
+ * This is the offset into the uip_buf where the IP header can be
+ * found. For Ethernet, this should be set to 14. For SLIP, this
+ * should be set to 0.
+ *
+ * \note we probably won't use this constant for other link layers than
+ * ethernet as they have variable header length (this is due to variable
+ * number and type of address fields and to optional security features)
+ * E.g.: 802.15.4 -> 2 + (1/2*4/8) + 0/5/6/10/14
+ *       802.11 -> 4 + (6*3/4) + 2
+ * \hideinitializer
+ */
+#ifdef UIP_CONF_LLH_LEN
+#define UIP_LLH_LEN UIP_CONF_LLH_LEN
+#else /* UIP_LLH_LEN */
+#define UIP_LLH_LEN     14
+#endif /* UIP_CONF_LLH_LEN */
+
+/** @} */
+/*------------------------------------------------------------------------------*/
+/**
+ * \defgroup uipoptcpu CPU architecture configuration
+ * @{
+ *
+ * The CPU architecture configuration is where the endianess of the
+ * CPU on which uIP is to be run is specified. Most CPUs today are
+ * little endian, and the most notable exception are the Motorolas
+ * which are big endian. The BYTE_ORDER macro should be changed to
+ * reflect the CPU architecture on which uIP is to be run.
+ */
+
+/**
+ * The byte order of the CPU architecture on which uIP is to be run.
+ *
+ * This option can be either UIP_BIG_ENDIAN (Motorola byte order) or
+ * UIP_LITTLE_ENDIAN (Intel byte order).
+ *
+ * \hideinitializer
+ */
+#ifdef UIP_CONF_BYTE_ORDER
+#define UIP_BYTE_ORDER     UIP_CONF_BYTE_ORDER
+#else /* UIP_CONF_BYTE_ORDER */
+#define UIP_BYTE_ORDER     UIP_LITTLE_ENDIAN
+#endif /* UIP_CONF_BYTE_ORDER */
+
+/** @} */
+/*------------------------------------------------------------------------------*/
+
+#include <ff.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "timer.h"
+
+typedef uint8_t u8_t;
+typedef uint16_t u16_t;
+typedef uint32_t u32_t;
+typedef uint32_t uip_stats_t;
+
+/**
+ * \defgroup uipoptapp Application specific configurations
+ * @{
+ *
+ * An uIP application is implemented using a single application
+ * function that is called by uIP whenever a TCP/IP event occurs. The
+ * name of this function must be registered with uIP at compile time
+ * using the UIP_APPCALL definition.
+ *
+ * uIP applications can store the application state within the
+ * uip_conn structure by specifying the type of the application
+ * structure by typedef:ing the type uip_tcp_appstate_t and uip_udp_appstate_t.
+ *
+ * The file containing the definitions must be included in the
+ * uipopt.h file.
+ *
+ * The following example illustrates how this can look.
+ \code
+
+ void httpd_appcall(void);
+ #define UIP_APPCALL     httpd_appcall
+
+ struct httpd_state {
+ u8_t state;
+ u16_t count;
+ char *dataptr;
+ char *script;
+ };
+ typedef struct httpd_state uip_tcp_appstate_t
+ \endcode
+*/
+#define UIP_UDP_APPCALL uIPManagement_UDPCallback
+void UIP_UDP_APPCALL(void);
+
+/**
+ * \var #define UIP_APPCALL
+ *
+ * The name of the application function that uIP should call in
+ * response to TCP/IP events.
+ *
+ */
+#define UIP_APPCALL     uIPManagement_TCPCallback
+void UIP_APPCALL(void);
+
+/**
+ * \var typedef uip_tcp_appstate_t
+ *
+ * The type of the application state that is to be stored in the
+ * uip_conn structure. This usually is typedef:ed to a struct holding
+ * application state information.
+ */
+typedef union
+{
+	struct
+	{
+		uint8_t  CurrentState;
+		uint8_t  NextState;
+		
+		char     FileName[MAX_URI_LENGTH];
+		FIL      FileHandle;
+		bool     FileOpen;
+		uint32_t ACKedFilePos;
+		uint16_t SentChunkSize;
+	} HTTPServer;
+	
+	struct
+	{
+		uint8_t  CurrentState;
+		uint8_t  NextState;
+		
+		uint8_t  IssuedCommand;
+	} TELNETServer;
+} uip_tcp_appstate_t;
+
+/**
+ * \var typedef uip_udp_appstate_t
+ *
+ * The type of the application state that is to be stored in the
+ * uip_conn structure. This usually is typedef:ed to a struct holding
+ * application state information.
+ */
+typedef union
+{
+	struct
+	{
+		uint8_t      CurrentState;
+		struct timer Timeout;
+		
+		struct
+		{
+			uint8_t AllocatedIP[4];
+			uint8_t Netmask[4];
+			uint8_t GatewayIP[4];
+			uint8_t ServerIP[4];
+		} DHCPOffer_Data;
+	} DHCPClient;
+} uip_udp_appstate_t;
+/** @} */
+
+#endif /* __UIPOPT_H__ */
+/** @} */
+/** @} */