Update version number in readiness for V10.3.0 release. Sync SVN with reviewed release candidate.

git-svn-id: http://svn.code.sf.net/p/freertos/code/trunk@2821 1d2547de-c912-0410-9cb9-b8ca96c0e9e2

15 files changed, 3477 insertions, 3477 deletions

diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOSIPConfigDefaults.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOSIPConfigDefaults.h
index 20cdf739f..d23410f5f 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOSIPConfigDefaults.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOSIPConfigDefaults.h
@@ -1,569 +1,569 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://www.FreeRTOS.org

- * http://aws.amazon.com/freertos

- *

- * 1 tab == 4 spaces!

- */

-

-#ifndef FREERTOS_DEFAULT_IP_CONFIG_H

-#define FREERTOS_DEFAULT_IP_CONFIG_H

-

-/* The error numbers defined in this file will be moved to the core FreeRTOS

-code in future versions of FreeRTOS - at which time the following header file

-will be removed. */

-#include "FreeRTOS_errno_TCP.h"

-

-/* This file provides default values for configuration options that are missing

-from the FreeRTOSIPConfig.h configuration header file. */

-

-

-/* Ensure defined configuration constants are using the most up to date naming. */

-#ifdef tcpconfigIP_TIME_TO_LIVE

-	#error now called: ipconfigTCP_TIME_TO_LIVE

-#endif

-

-#ifdef updconfigIP_TIME_TO_LIVE

-	#error now called: ipconfigUDP_TIME_TO_LIVE

-#endif

-

-#ifdef ipFILLER_SIZE

-	#error now called: ipconfigPACKET_FILLER_SIZE

-#endif

-

-#ifdef dnsMAX_REQUEST_ATTEMPTS

-	#error now called: ipconfigDNS_REQUEST_ATTEMPTS

-#endif

-

-#ifdef ipconfigUDP_TASK_PRIORITY

-	#error now called: ipconfigIP_TASK_PRIORITY

-#endif

-

-#ifdef ipconfigUDP_TASK_STACK_SIZE_WORDS

-	#error now called: ipconfigIP_TASK_STACK_SIZE_WORDS

-#endif

-

-#ifdef ipconfigDRIVER_INCLUDED_RX_IP_FILTERING

-	#error now called: ipconfigETHERNET_DRIVER_FILTERS_PACKETS

-#endif

-

-#ifdef ipconfigMAX_SEND_BLOCK_TIME_TICKS

-	#error now called: ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS

-#endif

-

-#ifdef ipconfigUSE_RECEIVE_CONNECT_CALLBACKS

-	#error now called: ipconfigUSE_CALLBACKS

-#endif

-

-#ifdef ipconfigNUM_NETWORK_BUFFERS

-	#error now called: ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS

-#endif

-

-#ifdef ipconfigTCP_HANG_PROT

-	#error now called: ipconfigTCP_HANG_PROTECTION

-#endif

-

-#ifdef ipconfigTCP_HANG_PROT_TIME

-	#error now called: ipconfigTCP_HANG_PROTECTION_TIME

-#endif

-

-#ifdef FreeRTOS_lprintf

-	#error now called: FreeRTOS_debug_printf

-#endif

-

-#if ( ipconfigEVENT_QUEUE_LENGTH < ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 ) )

-	#error The ipconfigEVENT_QUEUE_LENGTH parameter must be at least ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5

-#endif

-

-#if ( ipconfigNETWORK_MTU < 46 )

-	#error ipconfigNETWORK_MTU must be at least 46.

-#endif

-

-#ifdef	ipconfigBUFFER_ALLOC_FIXED_SIZE

-	#error ipconfigBUFFER_ALLOC_FIXED_SIZE was dropped and replaced by a const value, declared in BufferAllocation[12].c

-#endif

-

-#ifdef	ipconfigNIC_SEND_PASSES_DMA

-	#error now called: ipconfigZERO_COPY_TX_DRIVER

-#endif

-

-#ifdef	HAS_TX_CRC_OFFLOADING

-	/* _HT_ As these macro names have changed, throw an error

-	if they're still defined. */

-	#error now called: ipconfigHAS_TX_CRC_OFFLOADING

-#endif

-

-#ifdef	HAS_RX_CRC_OFFLOADING

-	#error now called: ipconfigHAS_RX_CRC_OFFLOADING

-#endif

-

-#ifdef ipconfigTCP_RX_BUF_LEN

-	#error ipconfigTCP_RX_BUF_LEN is now called ipconfigTCP_RX_BUFFER_LENGTH

-#endif

-

-#ifdef ipconfigTCP_TX_BUF_LEN

-	#error ipconfigTCP_TX_BUF_LEN is now called ipconfigTCP_TX_BUFFER_LENGTH

-#endif

-

-#ifdef ipconfigDHCP_USES_USER_HOOK

-	#error ipconfigDHCP_USES_USER_HOOK and its associated callback have been superceeded - see http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK

-#endif

-

-#ifndef ipconfigUSE_TCP

-	#define	ipconfigUSE_TCP						( 1 )

-#endif

-

-#if	ipconfigUSE_TCP

-

-	/* Include support for TCP scaling windows */

-	#ifndef ipconfigUSE_TCP_WIN

-		#define ipconfigUSE_TCP_WIN				( 1 )

-	#endif

-

-	#ifndef ipconfigTCP_WIN_SEG_COUNT

-		#define	ipconfigTCP_WIN_SEG_COUNT		( 256 )

-	#endif

-

-	#ifndef ipconfigIGNORE_UNKNOWN_PACKETS

-		/* When non-zero, TCP will not send RST packets in reply to

-		TCP packets which are unknown, or out-of-order. */

-		#define ipconfigIGNORE_UNKNOWN_PACKETS	( 0 )

-	#endif

-#endif

-

-/*

- * For debuging/logging: check if the port number is used for telnet

- * Some events will not be logged for telnet connections

- * because it would produce logging about the transmission of the logging...

- * This macro will only be used if FreeRTOS_debug_printf() is defined for logging

- */

-#ifndef ipconfigTCP_MAY_LOG_PORT

-	#define ipconfigTCP_MAY_LOG_PORT(xPort)			( ( xPort ) != 23u )

-#endif

-

-

-#ifndef	ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME

-	#define	ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME	portMAX_DELAY

-#endif

-

-#ifndef	ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME

-	#define	ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME	portMAX_DELAY

-#endif

-

-

-#ifndef	ipconfigDNS_RECEIVE_BLOCK_TIME_TICKS

-	#define	ipconfigDNS_RECEIVE_BLOCK_TIME_TICKS	pdMS_TO_TICKS( 500u )

-#endif

-

-#ifndef	ipconfigDNS_SEND_BLOCK_TIME_TICKS

-	#define	ipconfigDNS_SEND_BLOCK_TIME_TICKS		pdMS_TO_TICKS( 500u )

-#endif

-/*

- * FreeRTOS debug logging routine (proposal)

- * The macro will be called in the printf() style. Users can define

- * their own logging routine as:

- *

- *     #define FreeRTOS_debug_printf( MSG )			my_printf MSG

- *

- * The FreeRTOS_debug_printf() must be thread-safe but does not have to be

- * interrupt-safe.

- */

-#ifdef ipconfigHAS_DEBUG_PRINTF

-	#if( ipconfigHAS_DEBUG_PRINTF == 0 )

-		#ifdef FreeRTOS_debug_printf

-			#error Do not define FreeRTOS_debug_print if ipconfigHAS_DEBUG_PRINTF is set to 0

-		#endif /* ifdef FreeRTOS_debug_printf */

-	#endif /* ( ipconfigHAS_DEBUG_PRINTF == 0 ) */

-#endif /* ifdef ipconfigHAS_DEBUG_PRINTF */

-

-#ifndef FreeRTOS_debug_printf

-    #define FreeRTOS_debug_printf( MSG )		do{} while(0)

-	#define ipconfigHAS_DEBUG_PRINTF			0

-#endif

-

-/*

- * FreeRTOS general logging routine (proposal)

- * Used in some utility functions such as FreeRTOS_netstat() and FreeRTOS_PrintARPCache()

- *

- *     #define FreeRTOS_printf( MSG )			my_printf MSG

- *

- * The FreeRTOS_printf() must be thread-safe but does not have to be interrupt-safe

- */

-#ifdef ipconfigHAS_PRINTF

-	#if( ipconfigHAS_PRINTF == 0 )

-		#ifdef FreeRTOS_printf

-			#error Do not define FreeRTOS_print if ipconfigHAS_PRINTF is set to 0

-		#endif /* ifdef FreeRTOS_debug_printf */

-	#endif /* ( ipconfigHAS_PRINTF == 0 ) */

-#endif /* ifdef ipconfigHAS_PRINTF */

-

-#ifndef FreeRTOS_printf

-    #define FreeRTOS_printf( MSG )				do{} while(0)

-	#define ipconfigHAS_PRINTF					0

-#endif

-

-/*

- * In cases where a lot of logging is produced, FreeRTOS_flush_logging( )

- * will be called to give the logging module a chance to flush the data

- * An example of this is the netstat command, which produces many lines of logging

- */

-#ifndef FreeRTOS_flush_logging

-    #define FreeRTOS_flush_logging( )			do{} while(0)

-#endif

-

-/* Malloc functions. Within most applications of FreeRTOS, the couple

- * pvPortMalloc()/vPortFree() will be used.

- * If there is also SDRAM, the user may decide to use a different memory

- * allocator:

- * MallocLarge is used to allocate large TCP buffers (for Rx/Tx)

- * MallocSocket is used to allocate the space for the sockets

- */

-#ifndef pvPortMallocLarge

-	#define pvPortMallocLarge( x )				pvPortMalloc( x )

-#endif

-

-#ifndef vPortFreeLarge

-	#define vPortFreeLarge(ptr)					vPortFree(ptr)

-#endif

-

-#ifndef pvPortMallocSocket

-	#define pvPortMallocSocket( x )				pvPortMalloc( x )

-#endif

-

-#ifndef vPortFreeSocket

-	#define vPortFreeSocket(ptr)				vPortFree(ptr)

-#endif

-

-/*

- * At several places within the library, random numbers are needed:

- * - DHCP:    For creating a DHCP transaction number

- * - TCP:     Set the Initial Sequence Number: this is the value of the first outgoing

- *            sequence number being used when connecting to a peer.

- *            Having a well randomised ISN is important to avoid spoofing

- * - UDP/TCP: for setting the first port number to be used, in case a socket

- *            uses a 'random' or anonymous port number

- */

-#ifndef ipconfigRAND32

-	#define ipconfigRAND32() rand()

-#endif

-/* --------------------------------------------------------

- * End of: HT Added some macro defaults for the PLUS-UDP project

- * -------------------------------------------------------- */

-

-#ifndef ipconfigUSE_NETWORK_EVENT_HOOK

-	#define ipconfigUSE_NETWORK_EVENT_HOOK 0

-#endif

-

-#ifndef ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS

-	#define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS ( pdMS_TO_TICKS( 20 ) )

-#endif

-

-#ifndef ipconfigARP_CACHE_ENTRIES

-	#define ipconfigARP_CACHE_ENTRIES		10

-#endif

-

-#ifndef ipconfigMAX_ARP_RETRANSMISSIONS

-	#define ipconfigMAX_ARP_RETRANSMISSIONS ( 5u )

-#endif

-

-#ifndef ipconfigMAX_ARP_AGE

-	#define ipconfigMAX_ARP_AGE			150u

-#endif

-

-#ifndef ipconfigUSE_ARP_REVERSED_LOOKUP

-	#define ipconfigUSE_ARP_REVERSED_LOOKUP		0

-#endif

-

-#ifndef ipconfigUSE_ARP_REMOVE_ENTRY

-	#define	ipconfigUSE_ARP_REMOVE_ENTRY		0

-#endif

-

-#ifndef ipconfigINCLUDE_FULL_INET_ADDR

-	#define ipconfigINCLUDE_FULL_INET_ADDR	1

-#endif

-

-#ifndef ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS

-	#define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS		45

-#endif

-

-#ifndef ipconfigEVENT_QUEUE_LENGTH

-	#define ipconfigEVENT_QUEUE_LENGTH		( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )

-#endif

-

-#ifndef ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND

-	#define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND 1

-#endif

-

-#ifndef ipconfigUDP_TIME_TO_LIVE

-	#define ipconfigUDP_TIME_TO_LIVE		128

-#endif

-

-#ifndef ipconfigTCP_TIME_TO_LIVE

-	#define ipconfigTCP_TIME_TO_LIVE		128

-#endif

-

-#ifndef ipconfigUDP_MAX_RX_PACKETS

-	/* Make postive to define the maximum number of packets which will be buffered

-	 * for each UDP socket.

-	 * Can be overridden with the socket option FREERTOS_SO_UDP_MAX_RX_PACKETS

-	 */

-	#define ipconfigUDP_MAX_RX_PACKETS		0u

-#endif

-

-#ifndef ipconfigUSE_DHCP

-	#define ipconfigUSE_DHCP				1

-#endif

-

-#ifndef ipconfigUSE_DHCP_HOOK

-	#define ipconfigUSE_DHCP_HOOK		0

-#endif

-

-#ifndef ipconfigDHCP_FALL_BACK_AUTO_IP

-	/*

-	 * Only applicable when DHCP is in use:

-	 * If no DHCP server responds, use "Auto-IP" : the

-	 * device will allocate a random LinkLayer IP address.

-	 */

-	#define ipconfigDHCP_FALL_BACK_AUTO_IP		( 0 )

-#endif

-

-#if( ipconfigDHCP_FALL_BACK_AUTO_IP != 0 )

-	#define ipconfigARP_USE_CLASH_DETECTION		1

-#endif

-

-#ifndef ipconfigARP_USE_CLASH_DETECTION

-	#define ipconfigARP_USE_CLASH_DETECTION		0

-#endif

-

-#ifndef ipconfigNETWORK_MTU

-	#define ipconfigNETWORK_MTU		1500

-#endif

-

-#ifndef ipconfigTCP_MSS

-	#define ipconfigTCP_MSS		( ipconfigNETWORK_MTU - ipSIZE_OF_IPv4_HEADER - ipSIZE_OF_TCP_HEADER )

-#endif

-

-/* Each TCP socket has circular stream buffers for Rx and Tx, which

- * have a fixed maximum size.

- * The defaults for these size are defined here, although

- * they can be overridden at runtime by using the setsockopt() call */

-#ifndef ipconfigTCP_RX_BUFFER_LENGTH

-	#define ipconfigTCP_RX_BUFFER_LENGTH			( 4u * ipconfigTCP_MSS )	/* defaults to 5840 bytes */

-#endif

-

-/* Define the size of Tx stream buffer for TCP sockets */

-#ifndef ipconfigTCP_TX_BUFFER_LENGTH

-#	define ipconfigTCP_TX_BUFFER_LENGTH			( 4u * ipconfigTCP_MSS )	/* defaults to 5840 bytes */

-#endif

-

-#ifndef ipconfigMAXIMUM_DISCOVER_TX_PERIOD

-	#ifdef _WINDOWS_

-		#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD		( pdMS_TO_TICKS( 999 ) )

-	#else

-		#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD		( pdMS_TO_TICKS( 30000 ) )

-	#endif /* _WINDOWS_ */

-#endif /* ipconfigMAXIMUM_DISCOVER_TX_PERIOD */

-

-#if( ipconfigUSE_DNS == 0 )

-	/* The DNS module will not be included. */

-	#if( ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) )

-		/* LLMNR and NBNS depend on DNS because those protocols share a lot of code. */

-		#error When either LLMNR or NBNS is used, ipconfigUSE_DNS must be defined

-	#endif

-#endif

-

-#ifndef ipconfigUSE_DNS

-	#define ipconfigUSE_DNS						1

-#endif

-

-#ifndef ipconfigDNS_REQUEST_ATTEMPTS

-	#define ipconfigDNS_REQUEST_ATTEMPTS		5

-#endif

-

-#ifndef ipconfigUSE_DNS_CACHE

-	#define ipconfigUSE_DNS_CACHE				0

-#endif

-

-#if( ipconfigUSE_DNS_CACHE != 0 )

-	#ifndef ipconfigDNS_CACHE_NAME_LENGTH

-		/* Per https://tools.ietf.org/html/rfc1035, 253 is the maximum string length

-		of a DNS name. The following default accounts for a null terminator. */

-		#define ipconfigDNS_CACHE_NAME_LENGTH   254

-	#endif

-

-	#ifndef ipconfigDNS_CACHE_ENTRIES

-		#define ipconfigDNS_CACHE_ENTRIES			1

-	#endif

-#endif /* ipconfigUSE_DNS_CACHE != 0 */

-

-#ifndef ipconfigCHECK_IP_QUEUE_SPACE

-	#define ipconfigCHECK_IP_QUEUE_SPACE			0

-#endif

-

-#ifndef ipconfigUSE_LLMNR

-	/* Include support for LLMNR: Link-local Multicast Name Resolution (non-Microsoft) */

-	#define ipconfigUSE_LLMNR					( 0 )

-#endif

-

-#ifndef ipconfigREPLY_TO_INCOMING_PINGS

-	#define ipconfigREPLY_TO_INCOMING_PINGS		1

-#endif

-

-#ifndef ipconfigSUPPORT_OUTGOING_PINGS

-	#define ipconfigSUPPORT_OUTGOING_PINGS		0

-#endif

-

-#ifndef ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES

-	#define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES 1

-#endif

-

-#ifndef ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES

-	#define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES	1

-#endif

-

-#ifndef configINCLUDE_TRACE_RELATED_CLI_COMMANDS

-	#define ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS 0

-#else

-	#define ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS configINCLUDE_TRACE_RELATED_CLI_COMMANDS

-#endif

-

-#ifndef ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM

-	#define	ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM	( 0 )

-#endif

-

-#ifndef ipconfigETHERNET_DRIVER_FILTERS_PACKETS

-	#define	ipconfigETHERNET_DRIVER_FILTERS_PACKETS	( 0 )

-#endif

-

-#ifndef ipconfigWATCHDOG_TIMER

-	/* This macro will be called in every loop the IP-task makes.  It may be

-	replaced by user-code that triggers a watchdog */

-	#define ipconfigWATCHDOG_TIMER()

-#endif

-

-#ifndef ipconfigUSE_CALLBACKS

-	#define ipconfigUSE_CALLBACKS			( 0 )

-#endif

-

-#if( ipconfigUSE_CALLBACKS != 0 )

-	#ifndef ipconfigIS_VALID_PROG_ADDRESS

-		/* Replace this macro with a test returning non-zero if the memory pointer to by x

-		 * is valid memory which can contain executable code

-		 * In fact this is an extra safety measure: if a handler points to invalid memory,

-		 * it will not be called

-		 */

-		#define ipconfigIS_VALID_PROG_ADDRESS(x)		( ( x ) != NULL )

-	#endif

-#endif

-

-#ifndef ipconfigHAS_INLINE_FUNCTIONS

-	#define	ipconfigHAS_INLINE_FUNCTIONS	( 1 )

-#endif

-

-#ifndef portINLINE

-	#define portINLINE inline

-#endif

-

-#ifndef ipconfigZERO_COPY_TX_DRIVER

-	/* When non-zero, the buffers passed to the SEND routine may be passed

-	to DMA. As soon as sending is ready, the buffers must be released by

-	calling vReleaseNetworkBufferAndDescriptor(), */

-	#define ipconfigZERO_COPY_TX_DRIVER		( 0 )

-#endif

-

-#ifndef ipconfigZERO_COPY_RX_DRIVER

-	/* This define doesn't mean much to the driver, except that it makes

-	sure that pxPacketBuffer_to_NetworkBuffer() will be included. */

-	#define ipconfigZERO_COPY_RX_DRIVER		( 0 )

-#endif

-

-#ifndef ipconfigDRIVER_INCLUDED_TX_IP_CHECKSUM

-	#define ipconfigDRIVER_INCLUDED_TX_IP_CHECKSUM 0

-#endif

-

-#ifndef ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM

-	#define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM 0

-#endif

-

-#ifndef ipconfigDHCP_REGISTER_HOSTNAME

-	#define ipconfigDHCP_REGISTER_HOSTNAME 0

-#endif

-

-#ifndef ipconfigSOCKET_HAS_USER_SEMAPHORE

-	#define ipconfigSOCKET_HAS_USER_SEMAPHORE 0

-#endif

-

-#ifndef ipconfigSOCKET_HAS_USER_WAKE_CALLBACK

-	#define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK 0

-#endif

-

-#ifndef ipconfigSUPPORT_SELECT_FUNCTION

-	#define ipconfigSUPPORT_SELECT_FUNCTION 0

-#endif

-

-#ifndef ipconfigTCP_KEEP_ALIVE

-	#define ipconfigTCP_KEEP_ALIVE 0

-#endif

-

-#ifndef ipconfigDNS_USE_CALLBACKS

-	#define ipconfigDNS_USE_CALLBACKS 0

-#endif

-

-#ifndef ipconfigSUPPORT_SIGNALS

-	#define ipconfigSUPPORT_SIGNALS				0

-#endif

-

-#ifndef ipconfigUSE_NBNS

-	#define ipconfigUSE_NBNS 0

-#endif

-

-/* As an attack surface reduction for ports that listen for inbound 

-connections, hang protection can help reduce the impact of SYN floods. */

-#ifndef ipconfigTCP_HANG_PROTECTION

-	#define ipconfigTCP_HANG_PROTECTION  1

-#endif

-

-/* Non-activity timeout is expressed in seconds. */

-#ifndef ipconfigTCP_HANG_PROTECTION_TIME

-	#define ipconfigTCP_HANG_PROTECTION_TIME 30

-#endif

-

-#ifndef ipconfigTCP_IP_SANITY

-	#define ipconfigTCP_IP_SANITY 0

-#endif

-

-#ifndef ipconfigARP_STORES_REMOTE_ADDRESSES

-	#define ipconfigARP_STORES_REMOTE_ADDRESSES 0

-#endif

-

-#ifndef ipconfigBUFFER_PADDING

-	/* Expert option: define a value for 'ipBUFFER_PADDING'.

-	When 'ipconfigBUFFER_PADDING' equals 0,

-	'ipBUFFER_PADDING' will get a default value of 8 + 2 bytes. */

-	#define ipconfigBUFFER_PADDING 0

-#endif

-

-#ifndef ipconfigPACKET_FILLER_SIZE

-	#define ipconfigPACKET_FILLER_SIZE 2

-#endif

-

-#endif /* FREERTOS_DEFAULT_IP_CONFIG_H */

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+#ifndef FREERTOS_DEFAULT_IP_CONFIG_H
+#define FREERTOS_DEFAULT_IP_CONFIG_H
+
+/* The error numbers defined in this file will be moved to the core FreeRTOS
+code in future versions of FreeRTOS - at which time the following header file
+will be removed. */
+#include "FreeRTOS_errno_TCP.h"
+
+/* This file provides default values for configuration options that are missing
+from the FreeRTOSIPConfig.h configuration header file. */
+
+
+/* Ensure defined configuration constants are using the most up to date naming. */
+#ifdef tcpconfigIP_TIME_TO_LIVE
+	#error now called: ipconfigTCP_TIME_TO_LIVE
+#endif
+
+#ifdef updconfigIP_TIME_TO_LIVE
+	#error now called: ipconfigUDP_TIME_TO_LIVE
+#endif
+
+#ifdef ipFILLER_SIZE
+	#error now called: ipconfigPACKET_FILLER_SIZE
+#endif
+
+#ifdef dnsMAX_REQUEST_ATTEMPTS
+	#error now called: ipconfigDNS_REQUEST_ATTEMPTS
+#endif
+
+#ifdef ipconfigUDP_TASK_PRIORITY
+	#error now called: ipconfigIP_TASK_PRIORITY
+#endif
+
+#ifdef ipconfigUDP_TASK_STACK_SIZE_WORDS
+	#error now called: ipconfigIP_TASK_STACK_SIZE_WORDS
+#endif
+
+#ifdef ipconfigDRIVER_INCLUDED_RX_IP_FILTERING
+	#error now called: ipconfigETHERNET_DRIVER_FILTERS_PACKETS
+#endif
+
+#ifdef ipconfigMAX_SEND_BLOCK_TIME_TICKS
+	#error now called: ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS
+#endif
+
+#ifdef ipconfigUSE_RECEIVE_CONNECT_CALLBACKS
+	#error now called: ipconfigUSE_CALLBACKS
+#endif
+
+#ifdef ipconfigNUM_NETWORK_BUFFERS
+	#error now called: ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS
+#endif
+
+#ifdef ipconfigTCP_HANG_PROT
+	#error now called: ipconfigTCP_HANG_PROTECTION
+#endif
+
+#ifdef ipconfigTCP_HANG_PROT_TIME
+	#error now called: ipconfigTCP_HANG_PROTECTION_TIME
+#endif
+
+#ifdef FreeRTOS_lprintf
+	#error now called: FreeRTOS_debug_printf
+#endif
+
+#if ( ipconfigEVENT_QUEUE_LENGTH < ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 ) )
+	#error The ipconfigEVENT_QUEUE_LENGTH parameter must be at least ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5
+#endif
+
+#if ( ipconfigNETWORK_MTU < 46 )
+	#error ipconfigNETWORK_MTU must be at least 46.
+#endif
+
+#ifdef	ipconfigBUFFER_ALLOC_FIXED_SIZE
+	#error ipconfigBUFFER_ALLOC_FIXED_SIZE was dropped and replaced by a const value, declared in BufferAllocation[12].c
+#endif
+
+#ifdef	ipconfigNIC_SEND_PASSES_DMA
+	#error now called: ipconfigZERO_COPY_TX_DRIVER
+#endif
+
+#ifdef	HAS_TX_CRC_OFFLOADING
+	/* _HT_ As these macro names have changed, throw an error
+	if they're still defined. */
+	#error now called: ipconfigHAS_TX_CRC_OFFLOADING
+#endif
+
+#ifdef	HAS_RX_CRC_OFFLOADING
+	#error now called: ipconfigHAS_RX_CRC_OFFLOADING
+#endif
+
+#ifdef ipconfigTCP_RX_BUF_LEN
+	#error ipconfigTCP_RX_BUF_LEN is now called ipconfigTCP_RX_BUFFER_LENGTH
+#endif
+
+#ifdef ipconfigTCP_TX_BUF_LEN
+	#error ipconfigTCP_TX_BUF_LEN is now called ipconfigTCP_TX_BUFFER_LENGTH
+#endif
+
+#ifdef ipconfigDHCP_USES_USER_HOOK
+	#error ipconfigDHCP_USES_USER_HOOK and its associated callback have been superceeded - see http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK
+#endif
+
+#ifndef ipconfigUSE_TCP
+	#define	ipconfigUSE_TCP						( 1 )
+#endif
+
+#if	ipconfigUSE_TCP
+
+	/* Include support for TCP scaling windows */
+	#ifndef ipconfigUSE_TCP_WIN
+		#define ipconfigUSE_TCP_WIN				( 1 )
+	#endif
+
+	#ifndef ipconfigTCP_WIN_SEG_COUNT
+		#define	ipconfigTCP_WIN_SEG_COUNT		( 256 )
+	#endif
+
+	#ifndef ipconfigIGNORE_UNKNOWN_PACKETS
+		/* When non-zero, TCP will not send RST packets in reply to
+		TCP packets which are unknown, or out-of-order. */
+		#define ipconfigIGNORE_UNKNOWN_PACKETS	( 0 )
+	#endif
+#endif
+
+/*
+ * For debuging/logging: check if the port number is used for telnet
+ * Some events will not be logged for telnet connections
+ * because it would produce logging about the transmission of the logging...
+ * This macro will only be used if FreeRTOS_debug_printf() is defined for logging
+ */
+#ifndef ipconfigTCP_MAY_LOG_PORT
+	#define ipconfigTCP_MAY_LOG_PORT(xPort)			( ( xPort ) != 23u )
+#endif
+
+
+#ifndef	ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME
+	#define	ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME	portMAX_DELAY
+#endif
+
+#ifndef	ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME
+	#define	ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME	portMAX_DELAY
+#endif
+
+
+#ifndef	ipconfigDNS_RECEIVE_BLOCK_TIME_TICKS
+	#define	ipconfigDNS_RECEIVE_BLOCK_TIME_TICKS	pdMS_TO_TICKS( 500u )
+#endif
+
+#ifndef	ipconfigDNS_SEND_BLOCK_TIME_TICKS
+	#define	ipconfigDNS_SEND_BLOCK_TIME_TICKS		pdMS_TO_TICKS( 500u )
+#endif
+/*
+ * FreeRTOS debug logging routine (proposal)
+ * The macro will be called in the printf() style. Users can define
+ * their own logging routine as:
+ *
+ *     #define FreeRTOS_debug_printf( MSG )			my_printf MSG
+ *
+ * The FreeRTOS_debug_printf() must be thread-safe but does not have to be
+ * interrupt-safe.
+ */
+#ifdef ipconfigHAS_DEBUG_PRINTF
+	#if( ipconfigHAS_DEBUG_PRINTF == 0 )
+		#ifdef FreeRTOS_debug_printf
+			#error Do not define FreeRTOS_debug_print if ipconfigHAS_DEBUG_PRINTF is set to 0
+		#endif /* ifdef FreeRTOS_debug_printf */
+	#endif /* ( ipconfigHAS_DEBUG_PRINTF == 0 ) */
+#endif /* ifdef ipconfigHAS_DEBUG_PRINTF */
+
+#ifndef FreeRTOS_debug_printf
+    #define FreeRTOS_debug_printf( MSG )		do{} while(0)
+	#define ipconfigHAS_DEBUG_PRINTF			0
+#endif
+
+/*
+ * FreeRTOS general logging routine (proposal)
+ * Used in some utility functions such as FreeRTOS_netstat() and FreeRTOS_PrintARPCache()
+ *
+ *     #define FreeRTOS_printf( MSG )			my_printf MSG
+ *
+ * The FreeRTOS_printf() must be thread-safe but does not have to be interrupt-safe
+ */
+#ifdef ipconfigHAS_PRINTF
+	#if( ipconfigHAS_PRINTF == 0 )
+		#ifdef FreeRTOS_printf
+			#error Do not define FreeRTOS_print if ipconfigHAS_PRINTF is set to 0
+		#endif /* ifdef FreeRTOS_debug_printf */
+	#endif /* ( ipconfigHAS_PRINTF == 0 ) */
+#endif /* ifdef ipconfigHAS_PRINTF */
+
+#ifndef FreeRTOS_printf
+    #define FreeRTOS_printf( MSG )				do{} while(0)
+	#define ipconfigHAS_PRINTF					0
+#endif
+
+/*
+ * In cases where a lot of logging is produced, FreeRTOS_flush_logging( )
+ * will be called to give the logging module a chance to flush the data
+ * An example of this is the netstat command, which produces many lines of logging
+ */
+#ifndef FreeRTOS_flush_logging
+    #define FreeRTOS_flush_logging( )			do{} while(0)
+#endif
+
+/* Malloc functions. Within most applications of FreeRTOS, the couple
+ * pvPortMalloc()/vPortFree() will be used.
+ * If there is also SDRAM, the user may decide to use a different memory
+ * allocator:
+ * MallocLarge is used to allocate large TCP buffers (for Rx/Tx)
+ * MallocSocket is used to allocate the space for the sockets
+ */
+#ifndef pvPortMallocLarge
+	#define pvPortMallocLarge( x )				pvPortMalloc( x )
+#endif
+
+#ifndef vPortFreeLarge
+	#define vPortFreeLarge(ptr)					vPortFree(ptr)
+#endif
+
+#ifndef pvPortMallocSocket
+	#define pvPortMallocSocket( x )				pvPortMalloc( x )
+#endif
+
+#ifndef vPortFreeSocket
+	#define vPortFreeSocket(ptr)				vPortFree(ptr)
+#endif
+
+/*
+ * At several places within the library, random numbers are needed:
+ * - DHCP:    For creating a DHCP transaction number
+ * - TCP:     Set the Initial Sequence Number: this is the value of the first outgoing
+ *            sequence number being used when connecting to a peer.
+ *            Having a well randomised ISN is important to avoid spoofing
+ * - UDP/TCP: for setting the first port number to be used, in case a socket
+ *            uses a 'random' or anonymous port number
+ */
+#ifndef ipconfigRAND32
+	#define ipconfigRAND32() rand()
+#endif
+/* --------------------------------------------------------
+ * End of: HT Added some macro defaults for the PLUS-UDP project
+ * -------------------------------------------------------- */
+
+#ifndef ipconfigUSE_NETWORK_EVENT_HOOK
+	#define ipconfigUSE_NETWORK_EVENT_HOOK 0
+#endif
+
+#ifndef ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS
+	#define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS ( pdMS_TO_TICKS( 20 ) )
+#endif
+
+#ifndef ipconfigARP_CACHE_ENTRIES
+	#define ipconfigARP_CACHE_ENTRIES		10
+#endif
+
+#ifndef ipconfigMAX_ARP_RETRANSMISSIONS
+	#define ipconfigMAX_ARP_RETRANSMISSIONS ( 5u )
+#endif
+
+#ifndef ipconfigMAX_ARP_AGE
+	#define ipconfigMAX_ARP_AGE			150u
+#endif
+
+#ifndef ipconfigUSE_ARP_REVERSED_LOOKUP
+	#define ipconfigUSE_ARP_REVERSED_LOOKUP		0
+#endif
+
+#ifndef ipconfigUSE_ARP_REMOVE_ENTRY
+	#define	ipconfigUSE_ARP_REMOVE_ENTRY		0
+#endif
+
+#ifndef ipconfigINCLUDE_FULL_INET_ADDR
+	#define ipconfigINCLUDE_FULL_INET_ADDR	1
+#endif
+
+#ifndef ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS
+	#define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS		45
+#endif
+
+#ifndef ipconfigEVENT_QUEUE_LENGTH
+	#define ipconfigEVENT_QUEUE_LENGTH		( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )
+#endif
+
+#ifndef ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND
+	#define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND 1
+#endif
+
+#ifndef ipconfigUDP_TIME_TO_LIVE
+	#define ipconfigUDP_TIME_TO_LIVE		128
+#endif
+
+#ifndef ipconfigTCP_TIME_TO_LIVE
+	#define ipconfigTCP_TIME_TO_LIVE		128
+#endif
+
+#ifndef ipconfigUDP_MAX_RX_PACKETS
+	/* Make postive to define the maximum number of packets which will be buffered
+	 * for each UDP socket.
+	 * Can be overridden with the socket option FREERTOS_SO_UDP_MAX_RX_PACKETS
+	 */
+	#define ipconfigUDP_MAX_RX_PACKETS		0u
+#endif
+
+#ifndef ipconfigUSE_DHCP
+	#define ipconfigUSE_DHCP				1
+#endif
+
+#ifndef ipconfigUSE_DHCP_HOOK
+	#define ipconfigUSE_DHCP_HOOK		0
+#endif
+
+#ifndef ipconfigDHCP_FALL_BACK_AUTO_IP
+	/*
+	 * Only applicable when DHCP is in use:
+	 * If no DHCP server responds, use "Auto-IP" : the
+	 * device will allocate a random LinkLayer IP address.
+	 */
+	#define ipconfigDHCP_FALL_BACK_AUTO_IP		( 0 )
+#endif
+
+#if( ipconfigDHCP_FALL_BACK_AUTO_IP != 0 )
+	#define ipconfigARP_USE_CLASH_DETECTION		1
+#endif
+
+#ifndef ipconfigARP_USE_CLASH_DETECTION
+	#define ipconfigARP_USE_CLASH_DETECTION		0
+#endif
+
+#ifndef ipconfigNETWORK_MTU
+	#define ipconfigNETWORK_MTU		1500
+#endif
+
+#ifndef ipconfigTCP_MSS
+	#define ipconfigTCP_MSS		( ipconfigNETWORK_MTU - ipSIZE_OF_IPv4_HEADER - ipSIZE_OF_TCP_HEADER )
+#endif
+
+/* Each TCP socket has circular stream buffers for Rx and Tx, which
+ * have a fixed maximum size.
+ * The defaults for these size are defined here, although
+ * they can be overridden at runtime by using the setsockopt() call */
+#ifndef ipconfigTCP_RX_BUFFER_LENGTH
+	#define ipconfigTCP_RX_BUFFER_LENGTH			( 4u * ipconfigTCP_MSS )	/* defaults to 5840 bytes */
+#endif
+
+/* Define the size of Tx stream buffer for TCP sockets */
+#ifndef ipconfigTCP_TX_BUFFER_LENGTH
+#	define ipconfigTCP_TX_BUFFER_LENGTH			( 4u * ipconfigTCP_MSS )	/* defaults to 5840 bytes */
+#endif
+
+#ifndef ipconfigMAXIMUM_DISCOVER_TX_PERIOD
+	#ifdef _WINDOWS_
+		#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD		( pdMS_TO_TICKS( 999 ) )
+	#else
+		#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD		( pdMS_TO_TICKS( 30000 ) )
+	#endif /* _WINDOWS_ */
+#endif /* ipconfigMAXIMUM_DISCOVER_TX_PERIOD */
+
+#if( ipconfigUSE_DNS == 0 )
+	/* The DNS module will not be included. */
+	#if( ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) )
+		/* LLMNR and NBNS depend on DNS because those protocols share a lot of code. */
+		#error When either LLMNR or NBNS is used, ipconfigUSE_DNS must be defined
+	#endif
+#endif
+
+#ifndef ipconfigUSE_DNS
+	#define ipconfigUSE_DNS						1
+#endif
+
+#ifndef ipconfigDNS_REQUEST_ATTEMPTS
+	#define ipconfigDNS_REQUEST_ATTEMPTS		5
+#endif
+
+#ifndef ipconfigUSE_DNS_CACHE
+	#define ipconfigUSE_DNS_CACHE				0
+#endif
+
+#if( ipconfigUSE_DNS_CACHE != 0 )
+	#ifndef ipconfigDNS_CACHE_NAME_LENGTH
+		/* Per https://tools.ietf.org/html/rfc1035, 253 is the maximum string length
+		of a DNS name. The following default accounts for a null terminator. */
+		#define ipconfigDNS_CACHE_NAME_LENGTH   254
+	#endif
+
+	#ifndef ipconfigDNS_CACHE_ENTRIES
+		#define ipconfigDNS_CACHE_ENTRIES			1
+	#endif
+#endif /* ipconfigUSE_DNS_CACHE != 0 */
+
+#ifndef ipconfigCHECK_IP_QUEUE_SPACE
+	#define ipconfigCHECK_IP_QUEUE_SPACE			0
+#endif
+
+#ifndef ipconfigUSE_LLMNR
+	/* Include support for LLMNR: Link-local Multicast Name Resolution (non-Microsoft) */
+	#define ipconfigUSE_LLMNR					( 0 )
+#endif
+
+#ifndef ipconfigREPLY_TO_INCOMING_PINGS
+	#define ipconfigREPLY_TO_INCOMING_PINGS		1
+#endif
+
+#ifndef ipconfigSUPPORT_OUTGOING_PINGS
+	#define ipconfigSUPPORT_OUTGOING_PINGS		0
+#endif
+
+#ifndef ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES
+	#define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES 1
+#endif
+
+#ifndef ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES
+	#define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES	1
+#endif
+
+#ifndef configINCLUDE_TRACE_RELATED_CLI_COMMANDS
+	#define ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS 0
+#else
+	#define ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS configINCLUDE_TRACE_RELATED_CLI_COMMANDS
+#endif
+
+#ifndef ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM
+	#define	ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM	( 0 )
+#endif
+
+#ifndef ipconfigETHERNET_DRIVER_FILTERS_PACKETS
+	#define	ipconfigETHERNET_DRIVER_FILTERS_PACKETS	( 0 )
+#endif
+
+#ifndef ipconfigWATCHDOG_TIMER
+	/* This macro will be called in every loop the IP-task makes.  It may be
+	replaced by user-code that triggers a watchdog */
+	#define ipconfigWATCHDOG_TIMER()
+#endif
+
+#ifndef ipconfigUSE_CALLBACKS
+	#define ipconfigUSE_CALLBACKS			( 0 )
+#endif
+
+#if( ipconfigUSE_CALLBACKS != 0 )
+	#ifndef ipconfigIS_VALID_PROG_ADDRESS
+		/* Replace this macro with a test returning non-zero if the memory pointer to by x
+		 * is valid memory which can contain executable code
+		 * In fact this is an extra safety measure: if a handler points to invalid memory,
+		 * it will not be called
+		 */
+		#define ipconfigIS_VALID_PROG_ADDRESS(x)		( ( x ) != NULL )
+	#endif
+#endif
+
+#ifndef ipconfigHAS_INLINE_FUNCTIONS
+	#define	ipconfigHAS_INLINE_FUNCTIONS	( 1 )
+#endif
+
+#ifndef portINLINE
+	#define portINLINE inline
+#endif
+
+#ifndef ipconfigZERO_COPY_TX_DRIVER
+	/* When non-zero, the buffers passed to the SEND routine may be passed
+	to DMA. As soon as sending is ready, the buffers must be released by
+	calling vReleaseNetworkBufferAndDescriptor(), */
+	#define ipconfigZERO_COPY_TX_DRIVER		( 0 )
+#endif
+
+#ifndef ipconfigZERO_COPY_RX_DRIVER
+	/* This define doesn't mean much to the driver, except that it makes
+	sure that pxPacketBuffer_to_NetworkBuffer() will be included. */
+	#define ipconfigZERO_COPY_RX_DRIVER		( 0 )
+#endif
+
+#ifndef ipconfigDRIVER_INCLUDED_TX_IP_CHECKSUM
+	#define ipconfigDRIVER_INCLUDED_TX_IP_CHECKSUM 0
+#endif
+
+#ifndef ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM
+	#define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM 0
+#endif
+
+#ifndef ipconfigDHCP_REGISTER_HOSTNAME
+	#define ipconfigDHCP_REGISTER_HOSTNAME 0
+#endif
+
+#ifndef ipconfigSOCKET_HAS_USER_SEMAPHORE
+	#define ipconfigSOCKET_HAS_USER_SEMAPHORE 0
+#endif
+
+#ifndef ipconfigSOCKET_HAS_USER_WAKE_CALLBACK
+	#define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK 0
+#endif
+
+#ifndef ipconfigSUPPORT_SELECT_FUNCTION
+	#define ipconfigSUPPORT_SELECT_FUNCTION 0
+#endif
+
+#ifndef ipconfigTCP_KEEP_ALIVE
+	#define ipconfigTCP_KEEP_ALIVE 0
+#endif
+
+#ifndef ipconfigDNS_USE_CALLBACKS
+	#define ipconfigDNS_USE_CALLBACKS 0
+#endif
+
+#ifndef ipconfigSUPPORT_SIGNALS
+	#define ipconfigSUPPORT_SIGNALS				0
+#endif
+
+#ifndef ipconfigUSE_NBNS
+	#define ipconfigUSE_NBNS 0
+#endif
+
+/* As an attack surface reduction for ports that listen for inbound 
+connections, hang protection can help reduce the impact of SYN floods. */
+#ifndef ipconfigTCP_HANG_PROTECTION
+	#define ipconfigTCP_HANG_PROTECTION  1
+#endif
+
+/* Non-activity timeout is expressed in seconds. */
+#ifndef ipconfigTCP_HANG_PROTECTION_TIME
+	#define ipconfigTCP_HANG_PROTECTION_TIME 30
+#endif
+
+#ifndef ipconfigTCP_IP_SANITY
+	#define ipconfigTCP_IP_SANITY 0
+#endif
+
+#ifndef ipconfigARP_STORES_REMOTE_ADDRESSES
+	#define ipconfigARP_STORES_REMOTE_ADDRESSES 0
+#endif
+
+#ifndef ipconfigBUFFER_PADDING
+	/* Expert option: define a value for 'ipBUFFER_PADDING'.
+	When 'ipconfigBUFFER_PADDING' equals 0,
+	'ipBUFFER_PADDING' will get a default value of 8 + 2 bytes. */
+	#define ipconfigBUFFER_PADDING 0
+#endif
+
+#ifndef ipconfigPACKET_FILLER_SIZE
+	#define ipconfigPACKET_FILLER_SIZE 2
+#endif
+
+#endif /* FREERTOS_DEFAULT_IP_CONFIG_H */
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_ARP.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_ARP.h
index 166bf3a97..363fca425 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_ARP.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_ARP.h
@@ -1,141 +1,141 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef FREERTOS_ARP_H

-#define FREERTOS_ARP_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* Application level configuration options. */

-#include "FreeRTOSIPConfig.h"

-#include "FreeRTOSIPConfigDefaults.h"

-#include "IPTraceMacroDefaults.h"

-

-/*-----------------------------------------------------------*/

-/* Miscellaneous structure and definitions. */

-/*-----------------------------------------------------------*/

-

-typedef struct xARP_CACHE_TABLE_ROW

-{

-	uint32_t ulIPAddress;		/* The IP address of an ARP cache entry. */

-	MACAddress_t xMACAddress;  /* The MAC address of an ARP cache entry. */

-	uint8_t ucAge;				/* A value that is periodically decremented but can also be refreshed by active communication.  The ARP cache entry is removed if the value reaches zero. */

-    uint8_t ucValid;			/* pdTRUE: xMACAddress is valid, pdFALSE: waiting for ARP reply */

-} ARPCacheRow_t;

-

-typedef enum

-{

-	eARPCacheMiss = 0,			/* 0 An ARP table lookup did not find a valid entry. */

-	eARPCacheHit,				/* 1 An ARP table lookup found a valid entry. */

-	eCantSendPacket				/* 2 There is no IP address, or an ARP is still in progress, so the packet cannot be sent. */

-} eARPLookupResult_t;

-

-typedef enum

-{

-	eNotFragment = 0,			/* The IP packet being sent is not part of a fragment. */

-	eFirstFragment,				/* The IP packet being sent is the first in a set of fragmented packets. */

-	eFollowingFragment			/* The IP packet being sent is part of a set of fragmented packets. */

-} eIPFragmentStatus_t;

-

-/*

- * If ulIPAddress is already in the ARP cache table then reset the age of the

- * entry back to its maximum value.  If ulIPAddress is not already in the ARP

- * cache table then add it - replacing the oldest current entry if there is not

- * a free space available.

- */

-void vARPRefreshCacheEntry( const MACAddress_t * pxMACAddress, const uint32_t ulIPAddress );

-

-#if( ipconfigARP_USE_CLASH_DETECTION != 0 )

-	/* Becomes non-zero if another device responded to a gratuitos ARP message. */

-	extern BaseType_t xARPHadIPClash;

-	/* MAC-address of the other device containing the same IP-address. */

-	extern MACAddress_t xARPClashMacAddress;

-#endif /* ipconfigARP_USE_CLASH_DETECTION */

-

-#if( ipconfigUSE_ARP_REMOVE_ENTRY != 0 )

-

-	/*

-	 * In some rare cases, it might be useful to remove a ARP cache entry of a

-	 * known MAC address to make sure it gets refreshed.

-	 */

-	uint32_t ulARPRemoveCacheEntryByMac( const MACAddress_t * pxMACAddress );

-

-#endif /* ipconfigUSE_ARP_REMOVE_ENTRY != 0 */

-

-/*

- * Look for ulIPAddress in the ARP cache.  If the IP address exists, copy the

- * associated MAC address into pxMACAddress, refresh the ARP cache entry's

- * age, and return eARPCacheHit.  If the IP address does not exist in the ARP

- * cache return eARPCacheMiss.  If the packet cannot be sent for any reason

- * (maybe DHCP is still in process, or the addressing needs a gateway but there

- * isn't a gateway defined) then return eCantSendPacket.

- */

-eARPLookupResult_t eARPGetCacheEntry( uint32_t *pulIPAddress, MACAddress_t * const pxMACAddress );

-

-#if( ipconfigUSE_ARP_REVERSED_LOOKUP != 0 )

-

-	/* Lookup an IP-address if only the MAC-address is known */

-	eARPLookupResult_t eARPGetCacheEntryByMac( MACAddress_t * const pxMACAddress, uint32_t *pulIPAddress );

-

-#endif

-/*

- * Reduce the age count in each entry within the ARP cache.  An entry is no

- * longer considered valid and is deleted if its age reaches zero.

- */

-void vARPAgeCache( void );

-

-/*

- * Send out an ARP request for the IP address contained in pxNetworkBuffer, and

- * add an entry into the ARP table that indicates that an ARP reply is

- * outstanding so re-transmissions can be generated.

- */

-void vARPGenerateRequestPacket( NetworkBufferDescriptor_t * const pxNetworkBuffer );

-

-/*

- * After DHCP is ready and when changing IP address, force a quick send of our new IP

- * address

- */

-void vARPSendGratuitous( void );

-

-#ifdef __cplusplus

-} // extern "C"

-#endif

-

-#endif /* FREERTOS_ARP_H */

-

-

-

-

-

-

-

-

-

-

-

-

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_ARP_H
+#define FREERTOS_ARP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Application level configuration options. */
+#include "FreeRTOSIPConfig.h"
+#include "FreeRTOSIPConfigDefaults.h"
+#include "IPTraceMacroDefaults.h"
+
+/*-----------------------------------------------------------*/
+/* Miscellaneous structure and definitions. */
+/*-----------------------------------------------------------*/
+
+typedef struct xARP_CACHE_TABLE_ROW
+{
+	uint32_t ulIPAddress;		/* The IP address of an ARP cache entry. */
+	MACAddress_t xMACAddress;  /* The MAC address of an ARP cache entry. */
+	uint8_t ucAge;				/* A value that is periodically decremented but can also be refreshed by active communication.  The ARP cache entry is removed if the value reaches zero. */
+    uint8_t ucValid;			/* pdTRUE: xMACAddress is valid, pdFALSE: waiting for ARP reply */
+} ARPCacheRow_t;
+
+typedef enum
+{
+	eARPCacheMiss = 0,			/* 0 An ARP table lookup did not find a valid entry. */
+	eARPCacheHit,				/* 1 An ARP table lookup found a valid entry. */
+	eCantSendPacket				/* 2 There is no IP address, or an ARP is still in progress, so the packet cannot be sent. */
+} eARPLookupResult_t;
+
+typedef enum
+{
+	eNotFragment = 0,			/* The IP packet being sent is not part of a fragment. */
+	eFirstFragment,				/* The IP packet being sent is the first in a set of fragmented packets. */
+	eFollowingFragment			/* The IP packet being sent is part of a set of fragmented packets. */
+} eIPFragmentStatus_t;
+
+/*
+ * If ulIPAddress is already in the ARP cache table then reset the age of the
+ * entry back to its maximum value.  If ulIPAddress is not already in the ARP
+ * cache table then add it - replacing the oldest current entry if there is not
+ * a free space available.
+ */
+void vARPRefreshCacheEntry( const MACAddress_t * pxMACAddress, const uint32_t ulIPAddress );
+
+#if( ipconfigARP_USE_CLASH_DETECTION != 0 )
+	/* Becomes non-zero if another device responded to a gratuitos ARP message. */
+	extern BaseType_t xARPHadIPClash;
+	/* MAC-address of the other device containing the same IP-address. */
+	extern MACAddress_t xARPClashMacAddress;
+#endif /* ipconfigARP_USE_CLASH_DETECTION */
+
+#if( ipconfigUSE_ARP_REMOVE_ENTRY != 0 )
+
+	/*
+	 * In some rare cases, it might be useful to remove a ARP cache entry of a
+	 * known MAC address to make sure it gets refreshed.
+	 */
+	uint32_t ulARPRemoveCacheEntryByMac( const MACAddress_t * pxMACAddress );
+
+#endif /* ipconfigUSE_ARP_REMOVE_ENTRY != 0 */
+
+/*
+ * Look for ulIPAddress in the ARP cache.  If the IP address exists, copy the
+ * associated MAC address into pxMACAddress, refresh the ARP cache entry's
+ * age, and return eARPCacheHit.  If the IP address does not exist in the ARP
+ * cache return eARPCacheMiss.  If the packet cannot be sent for any reason
+ * (maybe DHCP is still in process, or the addressing needs a gateway but there
+ * isn't a gateway defined) then return eCantSendPacket.
+ */
+eARPLookupResult_t eARPGetCacheEntry( uint32_t *pulIPAddress, MACAddress_t * const pxMACAddress );
+
+#if( ipconfigUSE_ARP_REVERSED_LOOKUP != 0 )
+
+	/* Lookup an IP-address if only the MAC-address is known */
+	eARPLookupResult_t eARPGetCacheEntryByMac( MACAddress_t * const pxMACAddress, uint32_t *pulIPAddress );
+
+#endif
+/*
+ * Reduce the age count in each entry within the ARP cache.  An entry is no
+ * longer considered valid and is deleted if its age reaches zero.
+ */
+void vARPAgeCache( void );
+
+/*
+ * Send out an ARP request for the IP address contained in pxNetworkBuffer, and
+ * add an entry into the ARP table that indicates that an ARP reply is
+ * outstanding so re-transmissions can be generated.
+ */
+void vARPGenerateRequestPacket( NetworkBufferDescriptor_t * const pxNetworkBuffer );
+
+/*
+ * After DHCP is ready and when changing IP address, force a quick send of our new IP
+ * address
+ */
+void vARPSendGratuitous( void );
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif /* FREERTOS_ARP_H */
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_DHCP.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_DHCP.h
index 6a6d372b6..a49909eb2 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_DHCP.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_DHCP.h
@@ -1,87 +1,87 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef FREERTOS_DHCP_H

-#define FREERTOS_DHCP_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* Application level configuration options. */

-#include "FreeRTOSIPConfig.h"

-#include "IPTraceMacroDefaults.h"

-

-/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */

-typedef enum eDHCP_PHASE

-{

-	eDHCPPhasePreDiscover,	/* Driver is about to send a DHCP discovery. */

-	eDHCPPhasePreRequest,	/* Driver is about to request DHCP an IP address. */

-#if( ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP != 0 )

-	eDHCPPhasePreLLA,		/* Driver is about to try get an LLA address */

-#endif /* ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP */

-} eDHCPCallbackPhase_t;

-

-/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */

-typedef enum eDHCP_ANSWERS

-{

-	eDHCPContinue,			/* Continue the DHCP process */

-	eDHCPUseDefaults,		/* Stop DHCP and use the static defaults. */

-	eDHCPStopNoChanges,		/* Stop DHCP and continue with current settings. */

-} eDHCPCallbackAnswer_t;

-

-/*

- * NOT A PUBLIC API FUNCTION.

- */

-void vDHCPProcess( BaseType_t xReset );

-

-/* Internal call: returns true if socket is the current DHCP socket */

-BaseType_t xIsDHCPSocket( Socket_t xSocket );

-

-/* Prototype of the hook (or callback) function that must be provided by the

-application if ipconfigUSE_DHCP_HOOK is set to 1.  See the following URL for

-usage information:

-http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK

-*/

-eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase, uint32_t ulIPAddress );

-

-#ifdef __cplusplus

-}	/* extern "C" */

-#endif

-

-#endif /* FREERTOS_DHCP_H */

-

-

-

-

-

-

-

-

-

-

-

-

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_DHCP_H
+#define FREERTOS_DHCP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Application level configuration options. */
+#include "FreeRTOSIPConfig.h"
+#include "IPTraceMacroDefaults.h"
+
+/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
+typedef enum eDHCP_PHASE
+{
+	eDHCPPhasePreDiscover,	/* Driver is about to send a DHCP discovery. */
+	eDHCPPhasePreRequest,	/* Driver is about to request DHCP an IP address. */
+#if( ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP != 0 )
+	eDHCPPhasePreLLA,		/* Driver is about to try get an LLA address */
+#endif /* ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP */
+} eDHCPCallbackPhase_t;
+
+/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
+typedef enum eDHCP_ANSWERS
+{
+	eDHCPContinue,			/* Continue the DHCP process */
+	eDHCPUseDefaults,		/* Stop DHCP and use the static defaults. */
+	eDHCPStopNoChanges,		/* Stop DHCP and continue with current settings. */
+} eDHCPCallbackAnswer_t;
+
+/*
+ * NOT A PUBLIC API FUNCTION.
+ */
+void vDHCPProcess( BaseType_t xReset );
+
+/* Internal call: returns true if socket is the current DHCP socket */
+BaseType_t xIsDHCPSocket( Socket_t xSocket );
+
+/* Prototype of the hook (or callback) function that must be provided by the
+application if ipconfigUSE_DHCP_HOOK is set to 1.  See the following URL for
+usage information:
+http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK
+*/
+eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase, uint32_t ulIPAddress );
+
+#ifdef __cplusplus
+}	/* extern "C" */
+#endif
+
+#endif /* FREERTOS_DHCP_H */
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_DNS.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_DNS.h
index 449fa514f..0458d7621 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_DNS.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_DNS.h
@@ -1,137 +1,137 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef FREERTOS_DNS_H

-#define FREERTOS_DNS_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* Application level configuration options. */

-#include "FreeRTOSIPConfig.h"

-#include "IPTraceMacroDefaults.h"

-

-

-/* The Link-local Multicast Name Resolution (LLMNR)

- * is included.

- * Note that a special MAC address is required in addition to the NIC's actual

- * MAC address: 01:00:5E:00:00:FC

- *

- * The target IP address will be 224.0.0.252

- */

-#if( ipconfigBYTE_ORDER == pdFREERTOS_BIG_ENDIAN )

-	#define	ipLLMNR_IP_ADDR			0xE00000FC

-#else

-	#define	ipLLMNR_IP_ADDR			0xFC0000E0

-#endif /* ipconfigBYTE_ORDER == pdFREERTOS_BIG_ENDIAN */

-

-#define	ipLLMNR_PORT	5355 /* Standard LLMNR port. */

-#define	ipDNS_PORT		53	/* Standard DNS port. */

-#define	ipDHCP_CLIENT	67

-#define	ipDHCP_SERVER	68

-#define	ipNBNS_PORT		137	/* NetBIOS Name Service. */

-#define	ipNBDGM_PORT	138 /* Datagram Service, not included. */

-

-/*

- * The following function should be provided by the user and return true if it

- * matches the domain name.

- */

-extern BaseType_t xApplicationDNSQueryHook( const char *pcName );

-

-/*

- * LLMNR is very similar to DNS, so is handled by the DNS routines.

- */

-uint32_t ulDNSHandlePacket( NetworkBufferDescriptor_t *pxNetworkBuffer );

-

-#if( ipconfigUSE_LLMNR == 1 )

-	extern const MACAddress_t xLLMNR_MacAdress;

-#endif /* ipconfigUSE_LLMNR */

-

-#if( ipconfigUSE_NBNS != 0 )

-

-	/*

-	 * Inspect a NetBIOS Names-Service message.  If the name matches with ours

-	 * (xApplicationDNSQueryHook returns true) an answer will be sent back.

-	 * Note that LLMNR is a better protocol for name services on a LAN as it is

-	 * less polluted

-	 */

-	uint32_t ulNBNSHandlePacket (NetworkBufferDescriptor_t *pxNetworkBuffer );

-

-#endif /* ipconfigUSE_NBNS */

-

-#if( ipconfigUSE_DNS_CACHE != 0 )

-

-    /* Look for the indicated host name in the DNS cache. Returns the IPv4 

-    address if present, or 0x0 otherwise. */

-	uint32_t FreeRTOS_dnslookup( const char *pcHostName );

-

-    /* Remove all entries from the DNS cache. */

-    void FreeRTOS_dnsclear();

-#endif /* ipconfigUSE_DNS_CACHE != 0 */

-

-#if( ipconfigDNS_USE_CALLBACKS != 0 )

-

-	/*

-	 * Users may define this type of function as a callback.

-	 * It will be called when a DNS reply is received or when a timeout has been reached.

-	 */

-	typedef void (* FOnDNSEvent ) ( const char * /* pcName */, void * /* pvSearchID */, uint32_t /* ulIPAddress */ );

-

-	/*

-	 * Asynchronous version of gethostbyname()

-	 * xTimeout is in units of ms.

-	 */

-	uint32_t FreeRTOS_gethostbyname_a( const char *pcHostName, FOnDNSEvent pCallback, void *pvSearchID, TickType_t xTimeout );

-	void FreeRTOS_gethostbyname_cancel( void *pvSearchID );

-

-#endif

-

-/*

- * FULL, UP-TO-DATE AND MAINTAINED REFERENCE DOCUMENTATION FOR ALL THESE

- * FUNCTIONS IS AVAILABLE ON THE FOLLOWING URL:

- * _TBD_ Add URL

- */

-uint32_t FreeRTOS_gethostbyname( const char *pcHostName );

-

-

-#ifdef __cplusplus

-}	/* extern "C" */

-#endif

-

-#endif /* FREERTOS_DNS_H */

-

-

-

-

-

-

-

-

-

-

-

-

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_DNS_H
+#define FREERTOS_DNS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Application level configuration options. */
+#include "FreeRTOSIPConfig.h"
+#include "IPTraceMacroDefaults.h"
+
+
+/* The Link-local Multicast Name Resolution (LLMNR)
+ * is included.
+ * Note that a special MAC address is required in addition to the NIC's actual
+ * MAC address: 01:00:5E:00:00:FC
+ *
+ * The target IP address will be 224.0.0.252
+ */
+#if( ipconfigBYTE_ORDER == pdFREERTOS_BIG_ENDIAN )
+	#define	ipLLMNR_IP_ADDR			0xE00000FC
+#else
+	#define	ipLLMNR_IP_ADDR			0xFC0000E0
+#endif /* ipconfigBYTE_ORDER == pdFREERTOS_BIG_ENDIAN */
+
+#define	ipLLMNR_PORT	5355 /* Standard LLMNR port. */
+#define	ipDNS_PORT		53	/* Standard DNS port. */
+#define	ipDHCP_CLIENT	67
+#define	ipDHCP_SERVER	68
+#define	ipNBNS_PORT		137	/* NetBIOS Name Service. */
+#define	ipNBDGM_PORT	138 /* Datagram Service, not included. */
+
+/*
+ * The following function should be provided by the user and return true if it
+ * matches the domain name.
+ */
+extern BaseType_t xApplicationDNSQueryHook( const char *pcName );
+
+/*
+ * LLMNR is very similar to DNS, so is handled by the DNS routines.
+ */
+uint32_t ulDNSHandlePacket( NetworkBufferDescriptor_t *pxNetworkBuffer );
+
+#if( ipconfigUSE_LLMNR == 1 )
+	extern const MACAddress_t xLLMNR_MacAdress;
+#endif /* ipconfigUSE_LLMNR */
+
+#if( ipconfigUSE_NBNS != 0 )
+
+	/*
+	 * Inspect a NetBIOS Names-Service message.  If the name matches with ours
+	 * (xApplicationDNSQueryHook returns true) an answer will be sent back.
+	 * Note that LLMNR is a better protocol for name services on a LAN as it is
+	 * less polluted
+	 */
+	uint32_t ulNBNSHandlePacket (NetworkBufferDescriptor_t *pxNetworkBuffer );
+
+#endif /* ipconfigUSE_NBNS */
+
+#if( ipconfigUSE_DNS_CACHE != 0 )
+
+    /* Look for the indicated host name in the DNS cache. Returns the IPv4 
+    address if present, or 0x0 otherwise. */
+	uint32_t FreeRTOS_dnslookup( const char *pcHostName );
+
+    /* Remove all entries from the DNS cache. */
+    void FreeRTOS_dnsclear();
+#endif /* ipconfigUSE_DNS_CACHE != 0 */
+
+#if( ipconfigDNS_USE_CALLBACKS != 0 )
+
+	/*
+	 * Users may define this type of function as a callback.
+	 * It will be called when a DNS reply is received or when a timeout has been reached.
+	 */
+	typedef void (* FOnDNSEvent ) ( const char * /* pcName */, void * /* pvSearchID */, uint32_t /* ulIPAddress */ );
+
+	/*
+	 * Asynchronous version of gethostbyname()
+	 * xTimeout is in units of ms.
+	 */
+	uint32_t FreeRTOS_gethostbyname_a( const char *pcHostName, FOnDNSEvent pCallback, void *pvSearchID, TickType_t xTimeout );
+	void FreeRTOS_gethostbyname_cancel( void *pvSearchID );
+
+#endif
+
+/*
+ * FULL, UP-TO-DATE AND MAINTAINED REFERENCE DOCUMENTATION FOR ALL THESE
+ * FUNCTIONS IS AVAILABLE ON THE FOLLOWING URL:
+ * _TBD_ Add URL
+ */
+uint32_t FreeRTOS_gethostbyname( const char *pcHostName );
+
+
+#ifdef __cplusplus
+}	/* extern "C" */
+#endif
+
+#endif /* FREERTOS_DNS_H */
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP.h
index 6bfb4ad42..46a215777 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP.h
@@ -1,337 +1,337 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef FREERTOS_IP_H

-#define FREERTOS_IP_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* Application level configuration options. */

-#include "FreeRTOSIPConfig.h"

-#include "FreeRTOSIPConfigDefaults.h"

-#include "IPTraceMacroDefaults.h"

-

-/* Some constants defining the sizes of several parts of a packet */

-#define ipSIZE_OF_ETH_HEADER			14u

-#define ipSIZE_OF_IPv4_HEADER			20u

-#define ipSIZE_OF_IGMP_HEADER			8u

-#define ipSIZE_OF_ICMP_HEADER			8u

-#define ipSIZE_OF_UDP_HEADER			8u

-#define ipSIZE_OF_TCP_HEADER			20u

-

-

-/* The number of octets in the MAC and IP addresses respectively. */

-#define ipMAC_ADDRESS_LENGTH_BYTES ( 6 )

-#define ipIP_ADDRESS_LENGTH_BYTES ( 4 )

-

-/* IP protocol definitions. */

-#define ipPROTOCOL_ICMP			( 1 )

-#define ipPROTOCOL_IGMP         ( 2 )

-#define ipPROTOCOL_TCP			( 6 )

-#define ipPROTOCOL_UDP			( 17 )

-

-/* Dimensions the buffers that are filled by received Ethernet frames. */

-#define ipSIZE_OF_ETH_CRC_BYTES					( 4UL )

-#define ipSIZE_OF_ETH_OPTIONAL_802_1Q_TAG_BYTES	( 4UL )

-#define ipTOTAL_ETHERNET_FRAME_SIZE				( ( ( uint32_t ) ipconfigNETWORK_MTU ) + ( ( uint32_t ) ipSIZE_OF_ETH_HEADER ) + ipSIZE_OF_ETH_CRC_BYTES + ipSIZE_OF_ETH_OPTIONAL_802_1Q_TAG_BYTES )

-

-/*_RB_ Comment may need updating. */

-/* Space left at the beginning of a network buffer storage area to store a

-pointer back to the network buffer.  Should be a multiple of 8 to ensure 8 byte

-alignment is maintained on architectures that require it.

-

-In order to get a 32-bit alignment of network packets, an offset of 2 bytes

-would be desirable, as defined by ipconfigPACKET_FILLER_SIZE.  So the malloc'd

-buffer will have the following contents:

-	uint32_t pointer;	// word-aligned

-	uchar_8 filler[6];

-	<< ETH-header >>	// half-word-aligned

-	uchar_8 dest[6];    // start of pucEthernetBuffer

-	uchar_8 dest[6];

-	uchar16_t type;

-	<< IP-header >>		// word-aligned

-	uint8_t ucVersionHeaderLength;

-	etc

- */

-#if( ipconfigBUFFER_PADDING != 0 )

-    #define ipBUFFER_PADDING    ipconfigBUFFER_PADDING

-#else

-    #define ipBUFFER_PADDING    ( 8u + ipconfigPACKET_FILLER_SIZE )

-#endif

-

-/* The structure used to store buffers and pass them around the network stack.

-Buffers can be in use by the stack, in use by the network interface hardware

-driver, or free (not in use). */

-typedef struct xNETWORK_BUFFER

-{

-	ListItem_t xBufferListItem; 	/* Used to reference the buffer form the free buffer list or a socket. */

-	uint32_t ulIPAddress;			/* Source or destination IP address, depending on usage scenario. */

-	uint8_t *pucEthernetBuffer; 	/* Pointer to the start of the Ethernet frame. */

-	size_t xDataLength; 			/* Starts by holding the total Ethernet frame length, then the UDP/TCP payload length. */

-	uint16_t usPort;				/* Source or destination port, depending on usage scenario. */

-	uint16_t usBoundPort;			/* The port to which a transmitting socket is bound. */

-	#if( ipconfigUSE_LINKED_RX_MESSAGES != 0 )

-		struct xNETWORK_BUFFER *pxNextBuffer; /* Possible optimisation for expert users - requires network driver support. */

-	#endif

-} NetworkBufferDescriptor_t;

-

-#include "pack_struct_start.h"

-struct xMAC_ADDRESS

-{

-	uint8_t ucBytes[ ipMAC_ADDRESS_LENGTH_BYTES ];

-}

-#include "pack_struct_end.h"

-

-typedef struct xMAC_ADDRESS MACAddress_t;

-

-typedef enum eNETWORK_EVENTS

-{

-	eNetworkUp,		/* The network is configured. */

-	eNetworkDown	/* The network connection has been lost. */

-} eIPCallbackEvent_t;

-

-typedef enum ePING_REPLY_STATUS

-{

-	eSuccess = 0,		/* A correct reply has been received for an outgoing ping. */

-	eInvalidChecksum,	/* A reply was received for an outgoing ping but the checksum of the reply was incorrect. */

-	eInvalidData		/* A reply was received to an outgoing ping but the payload of the reply was not correct. */

-} ePingReplyStatus_t;

-

-typedef enum eNETWORK_ADDRESS_TYPE 

-{

-	eNetWorkAddressTypeIPV4,

-	eNetWorkAddressTypeIPV6,

-	eNetWorkAddressTypeHostName

-} eNetWorkAddressType_t;

-

-/* Endian related definitions. */

-#if( ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN )

-

-	/* FreeRTOS_htons / FreeRTOS_htonl: some platforms might have built-in versions

-	using a single instruction so allow these versions to be overridden. */

-	#ifndef FreeRTOS_htons

-		#define FreeRTOS_htons( usIn ) ( (uint16_t) ( ( ( usIn ) << 8U ) | ( ( usIn ) >> 8U ) ) )

-	#endif

-

-	#ifndef	FreeRTOS_htonl

-		#define FreeRTOS_htonl( ulIn ) 											\

-			(																	\

-				( uint32_t ) 													\

-				( 																\

-					( ( ( ( uint32_t ) ( ulIn ) )                ) << 24  ) | 	\

-					( ( ( ( uint32_t ) ( ulIn ) ) & 0x0000ff00UL ) <<  8  ) | 	\

-					( ( ( ( uint32_t ) ( ulIn ) ) & 0x00ff0000UL ) >>  8  ) | 	\

-					( ( ( ( uint32_t ) ( ulIn ) )                ) >> 24  )  	\

-				) 																\

-			)

-	#endif

-

-#else /* ipconfigBYTE_ORDER */

-

-	#define FreeRTOS_htons( x ) ( ( uint16_t ) ( x ) )

-	#define FreeRTOS_htonl( x ) ( ( uint32_t ) ( x ) )

-

-#endif /* ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN */

-

-#define FreeRTOS_ntohs( x ) FreeRTOS_htons( x )

-#define FreeRTOS_ntohl( x ) FreeRTOS_htonl( x )

-

-#if( ipconfigHAS_INLINE_FUNCTIONS == 1 )

-

-	static portINLINE int32_t  FreeRTOS_max_int32  (int32_t  a, int32_t  b);

-	static portINLINE uint32_t FreeRTOS_max_uint32 (uint32_t a, uint32_t b);

-	static portINLINE int32_t  FreeRTOS_min_int32  (int32_t  a, int32_t  b);

-	static portINLINE uint32_t FreeRTOS_min_uint32 (uint32_t a, uint32_t b);

-	static portINLINE uint32_t FreeRTOS_round_up   (uint32_t a, uint32_t d);

-	static portINLINE uint32_t FreeRTOS_round_down (uint32_t a, uint32_t d);

-	static portINLINE BaseType_t  FreeRTOS_min_BaseType  (BaseType_t  a, BaseType_t  b);

-	static portINLINE BaseType_t  FreeRTOS_max_BaseType  (BaseType_t  a, BaseType_t  b);

-	static portINLINE UBaseType_t FreeRTOS_max_UBaseType (UBaseType_t a, UBaseType_t b);

-	static portINLINE UBaseType_t  	FreeRTOS_min_UBaseType (UBaseType_t  a, UBaseType_t  b);

-

-

-	static portINLINE int32_t  FreeRTOS_max_int32  (int32_t  a, int32_t  b) { return a >= b ? a : b; }

-	static portINLINE uint32_t FreeRTOS_max_uint32 (uint32_t a, uint32_t b) { return a >= b ? a : b; }

-	static portINLINE int32_t  FreeRTOS_min_int32  (int32_t  a, int32_t  b) { return a <= b ? a : b; }

-	static portINLINE uint32_t FreeRTOS_min_uint32 (uint32_t a, uint32_t b) { return a <= b ? a : b; }

-	static portINLINE uint32_t FreeRTOS_round_up   (uint32_t a, uint32_t d) { return d * ( ( a + d - 1u ) / d ); }

-	static portINLINE uint32_t FreeRTOS_round_down (uint32_t a, uint32_t d) { return d * ( a / d ); }

-

-	static portINLINE BaseType_t  FreeRTOS_max_BaseType  (BaseType_t  a, BaseType_t  b) { return a >= b ? a : b; }

-	static portINLINE UBaseType_t FreeRTOS_max_UBaseType (UBaseType_t a, UBaseType_t b) { return a >= b ? a : b; }

-	static portINLINE BaseType_t  FreeRTOS_min_BaseType  (BaseType_t  a, BaseType_t  b) { return a <= b ? a : b; }

-	static portINLINE UBaseType_t FreeRTOS_min_UBaseType (UBaseType_t  a, UBaseType_t  b) { return a <= b ? a : b; }

-

-#else

-

-	#define FreeRTOS_max_int32(a,b)  ( ( ( int32_t  ) ( a ) ) >= ( ( int32_t  ) ( b ) ) ? ( ( int32_t  ) ( a ) ) : ( ( int32_t  ) ( b ) ) )

-	#define FreeRTOS_max_uint32(a,b) ( ( ( uint32_t ) ( a ) ) >= ( ( uint32_t ) ( b ) ) ? ( ( uint32_t ) ( a ) ) : ( ( uint32_t ) ( b ) ) )

-

-	#define FreeRTOS_min_int32(a,b)  ( ( ( int32_t  ) a ) <= ( ( int32_t  ) b ) ? ( ( int32_t  ) a ) : ( ( int32_t  ) b ) )

-	#define FreeRTOS_min_uint32(a,b) ( ( ( uint32_t ) a ) <= ( ( uint32_t ) b ) ? ( ( uint32_t ) a ) : ( ( uint32_t ) b ) )

-

-	/*  Round-up: a = d * ( ( a + d - 1 ) / d ) */

-	#define FreeRTOS_round_up(a,d)   ( ( ( uint32_t ) ( d ) ) * ( ( ( ( uint32_t ) ( a ) ) + ( ( uint32_t ) ( d ) ) - 1UL ) / ( ( uint32_t ) ( d ) ) ) )

-	#define FreeRTOS_round_down(a,d) ( ( ( uint32_t ) ( d ) ) * ( ( ( uint32_t ) ( a ) ) / ( ( uint32_t ) ( d ) ) ) )

-

-	#define FreeRTOS_ms_to_tick(ms)  ( ( ms * configTICK_RATE_HZ + 500 ) / 1000 )

-

-	#define FreeRTOS_max_BaseType(a, b)  ( ( ( BaseType_t  ) ( a ) ) >= ( ( BaseType_t  ) ( b ) ) ? ( ( BaseType_t  ) ( a ) ) : ( ( BaseType_t  ) ( b ) ) )

-	#define FreeRTOS_max_UBaseType(a, b) ( ( ( UBaseType_t ) ( a ) ) >= ( ( UBaseType_t ) ( b ) ) ? ( ( UBaseType_t ) ( a ) ) : ( ( UBaseType_t ) ( b ) ) )

-	#define FreeRTOS_min_BaseType(a, b)  ( ( ( BaseType_t  ) ( a ) ) <= ( ( BaseType_t  ) ( b ) ) ? ( ( BaseType_t  ) ( a ) ) : ( ( BaseType_t  ) ( b ) ) )

-	#define FreeRTOS_min_UBaseType(a, b) ( ( ( UBaseType_t ) ( a ) ) <= ( ( UBaseType_t ) ( b ) ) ? ( ( UBaseType_t ) ( a ) ) : ( ( UBaseType_t ) ( b ) ) )

-

-#endif /* ipconfigHAS_INLINE_FUNCTIONS */

-

-#define pdMS_TO_MIN_TICKS( xTimeInMs ) ( pdMS_TO_TICKS( ( xTimeInMs ) ) < ( ( TickType_t ) 1 ) ? ( ( TickType_t ) 1 ) : pdMS_TO_TICKS( ( xTimeInMs ) ) )

-

-#ifndef pdTRUE_SIGNED

-	/* Temporary solution: eventually the defines below will appear in 'Source\include\projdefs.h' */

-	#define pdTRUE_SIGNED		pdTRUE

-	#define pdFALSE_SIGNED		pdFALSE

-	#define pdTRUE_UNSIGNED		( ( UBaseType_t ) 1u )

-	#define pdFALSE_UNSIGNED	( ( UBaseType_t ) 0u )

-#endif

-

-/*

- * FULL, UP-TO-DATE AND MAINTAINED REFERENCE DOCUMENTATION FOR ALL THESE

- * FUNCTIONS IS AVAILABLE ON THE FOLLOWING URL:

- * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_TCP_API_Functions.html

- */

-BaseType_t FreeRTOS_IPInit( const uint8_t ucIPAddress[ ipIP_ADDRESS_LENGTH_BYTES ],

-	const uint8_t ucNetMask[ ipIP_ADDRESS_LENGTH_BYTES ],

-	const uint8_t ucGatewayAddress[ ipIP_ADDRESS_LENGTH_BYTES ],

-	const uint8_t ucDNSServerAddress[ ipIP_ADDRESS_LENGTH_BYTES ],

-	const uint8_t ucMACAddress[ ipMAC_ADDRESS_LENGTH_BYTES ] );

-

-void * FreeRTOS_GetUDPPayloadBuffer( size_t xRequestedSizeBytes, TickType_t xBlockTimeTicks );

-void FreeRTOS_GetAddressConfiguration( uint32_t *pulIPAddress, uint32_t *pulNetMask, uint32_t *pulGatewayAddress, uint32_t *pulDNSServerAddress );

-void FreeRTOS_SetAddressConfiguration( const uint32_t *pulIPAddress, const uint32_t *pulNetMask, const uint32_t *pulGatewayAddress, const uint32_t *pulDNSServerAddress );

-BaseType_t FreeRTOS_SendPingRequest( uint32_t ulIPAddress, size_t xNumberOfBytesToSend, TickType_t xBlockTimeTicks );

-void FreeRTOS_ReleaseUDPPayloadBuffer( void *pvBuffer );

-const uint8_t * FreeRTOS_GetMACAddress( void );

-void FreeRTOS_UpdateMACAddress( const uint8_t ucMACAddress[ipMAC_ADDRESS_LENGTH_BYTES] );

-void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent );

-void vApplicationPingReplyHook( ePingReplyStatus_t eStatus, uint16_t usIdentifier );

-uint32_t FreeRTOS_GetIPAddress( void );

-void FreeRTOS_SetIPAddress( uint32_t ulIPAddress );

-void FreeRTOS_SetNetmask( uint32_t ulNetmask );

-void FreeRTOS_SetGatewayAddress( uint32_t ulGatewayAddress );

-uint32_t FreeRTOS_GetGatewayAddress( void );

-uint32_t FreeRTOS_GetDNSServerAddress( void );

-uint32_t FreeRTOS_GetNetmask( void );

-void FreeRTOS_OutputARPRequest( uint32_t ulIPAddress );

-BaseType_t FreeRTOS_IsNetworkUp( void );

-

-#if( ipconfigCHECK_IP_QUEUE_SPACE != 0 )

-	UBaseType_t uxGetMinimumIPQueueSpace( void );

-#endif

-

-/*

- * Defined in FreeRTOS_Sockets.c

- * //_RB_ Don't think this comment is correct.  If this is for internal use only it should appear after all the public API functions and not start with FreeRTOS_.

- * Socket has had activity, reset the timer so it will not be closed

- * because of inactivity

- */

-const char *FreeRTOS_GetTCPStateName( UBaseType_t ulState);

-

-/* _HT_ Temporary: show all valid ARP entries

- */

-void FreeRTOS_PrintARPCache( void );

-void FreeRTOS_ClearARP( void );

-

-#if( ipconfigDHCP_REGISTER_HOSTNAME == 1 )

-

-	/* DHCP has an option for clients to register their hostname.  It doesn't

-	have much use, except that a device can be found in a router along with its

-	name. If this option is used the callback below must be provided by the

-	application	writer to return a const string, denoting the device's name. */

-	const char *pcApplicationHostnameHook( void );

-

-#endif /* ipconfigDHCP_REGISTER_HOSTNAME */

-

-

-/* This xApplicationGetRandomNumber() will set *pulNumber to a random number,

-and return pdTRUE. When the random number generator is broken, it shall return

-pdFALSE.

-The function is defined in 'iot_secure_sockets.c'.

-If that module is not included in the project, the application must provide an

-implementation of it.

-The macro's ipconfigRAND32() and configRAND32() are not in use anymore. */

-BaseType_t xApplicationGetRandomNumber( uint32_t *pulNumber );

-

-/* For backward compatibility define old structure names to the newer equivalent

-structure name. */

-#ifndef ipconfigENABLE_BACKWARD_COMPATIBILITY

-	#define ipconfigENABLE_BACKWARD_COMPATIBILITY	1

-#endif

-

-#if( ipconfigENABLE_BACKWARD_COMPATIBILITY == 1 )

-	#define xIPStackEvent_t 			IPStackEvent_t

-	#define xNetworkBufferDescriptor_t 	NetworkBufferDescriptor_t

-	#define xMACAddress_t 				MACAddress_t

-	#define xWinProperties_t 			WinProperties_t

-	#define xSocket_t 					Socket_t

-	#define xSocketSet_t 				SocketSet_t

-	#define ipSIZE_OF_IP_HEADER			ipSIZE_OF_IPv4_HEADER

-

-	/* Since August 2016, the public types and fields below have changed name:

-	abbreviations TCP/UDP are now written in capitals, and type names now end with "_t". */

-	#define FOnConnected				FOnConnected_t

-	#define FOnTcpReceive				FOnTCPReceive_t

-	#define FOnTcpSent					FOnTCPSent_t

-	#define FOnUdpReceive				FOnUDPReceive_t

-	#define FOnUdpSent					FOnUDPSent_t

-

-	#define pOnTcpConnected				pxOnTCPConnected

-	#define pOnTcpReceive				pxOnTCPReceive

-	#define pOnTcpSent					pxOnTCPSent

-	#define pOnUdpReceive				pxOnUDPReceive

-	#define pOnUdpSent					pxOnUDPSent

-

-	#define FOnUdpSent					FOnUDPSent_t

-	#define FOnTcpSent					FOnTCPSent_t

-#endif /* ipconfigENABLE_BACKWARD_COMPATIBILITY */

-

-#ifdef __cplusplus

-} /* extern "C" */

-#endif

-

-#endif /* FREERTOS_IP_H */

-

-

-

-

-

-

-

-

-

-

-

-

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_IP_H
+#define FREERTOS_IP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Application level configuration options. */
+#include "FreeRTOSIPConfig.h"
+#include "FreeRTOSIPConfigDefaults.h"
+#include "IPTraceMacroDefaults.h"
+
+/* Some constants defining the sizes of several parts of a packet */
+#define ipSIZE_OF_ETH_HEADER			14u
+#define ipSIZE_OF_IPv4_HEADER			20u
+#define ipSIZE_OF_IGMP_HEADER			8u
+#define ipSIZE_OF_ICMP_HEADER			8u
+#define ipSIZE_OF_UDP_HEADER			8u
+#define ipSIZE_OF_TCP_HEADER			20u
+
+
+/* The number of octets in the MAC and IP addresses respectively. */
+#define ipMAC_ADDRESS_LENGTH_BYTES ( 6 )
+#define ipIP_ADDRESS_LENGTH_BYTES ( 4 )
+
+/* IP protocol definitions. */
+#define ipPROTOCOL_ICMP			( 1 )
+#define ipPROTOCOL_IGMP         ( 2 )
+#define ipPROTOCOL_TCP			( 6 )
+#define ipPROTOCOL_UDP			( 17 )
+
+/* Dimensions the buffers that are filled by received Ethernet frames. */
+#define ipSIZE_OF_ETH_CRC_BYTES					( 4UL )
+#define ipSIZE_OF_ETH_OPTIONAL_802_1Q_TAG_BYTES	( 4UL )
+#define ipTOTAL_ETHERNET_FRAME_SIZE				( ( ( uint32_t ) ipconfigNETWORK_MTU ) + ( ( uint32_t ) ipSIZE_OF_ETH_HEADER ) + ipSIZE_OF_ETH_CRC_BYTES + ipSIZE_OF_ETH_OPTIONAL_802_1Q_TAG_BYTES )
+
+/*_RB_ Comment may need updating. */
+/* Space left at the beginning of a network buffer storage area to store a
+pointer back to the network buffer.  Should be a multiple of 8 to ensure 8 byte
+alignment is maintained on architectures that require it.
+
+In order to get a 32-bit alignment of network packets, an offset of 2 bytes
+would be desirable, as defined by ipconfigPACKET_FILLER_SIZE.  So the malloc'd
+buffer will have the following contents:
+	uint32_t pointer;	// word-aligned
+	uchar_8 filler[6];
+	<< ETH-header >>	// half-word-aligned
+	uchar_8 dest[6];    // start of pucEthernetBuffer
+	uchar_8 dest[6];
+	uchar16_t type;
+	<< IP-header >>		// word-aligned
+	uint8_t ucVersionHeaderLength;
+	etc
+ */
+#if( ipconfigBUFFER_PADDING != 0 )
+    #define ipBUFFER_PADDING    ipconfigBUFFER_PADDING
+#else
+    #define ipBUFFER_PADDING    ( 8u + ipconfigPACKET_FILLER_SIZE )
+#endif
+
+/* The structure used to store buffers and pass them around the network stack.
+Buffers can be in use by the stack, in use by the network interface hardware
+driver, or free (not in use). */
+typedef struct xNETWORK_BUFFER
+{
+	ListItem_t xBufferListItem; 	/* Used to reference the buffer form the free buffer list or a socket. */
+	uint32_t ulIPAddress;			/* Source or destination IP address, depending on usage scenario. */
+	uint8_t *pucEthernetBuffer; 	/* Pointer to the start of the Ethernet frame. */
+	size_t xDataLength; 			/* Starts by holding the total Ethernet frame length, then the UDP/TCP payload length. */
+	uint16_t usPort;				/* Source or destination port, depending on usage scenario. */
+	uint16_t usBoundPort;			/* The port to which a transmitting socket is bound. */
+	#if( ipconfigUSE_LINKED_RX_MESSAGES != 0 )
+		struct xNETWORK_BUFFER *pxNextBuffer; /* Possible optimisation for expert users - requires network driver support. */
+	#endif
+} NetworkBufferDescriptor_t;
+
+#include "pack_struct_start.h"
+struct xMAC_ADDRESS
+{
+	uint8_t ucBytes[ ipMAC_ADDRESS_LENGTH_BYTES ];
+}
+#include "pack_struct_end.h"
+
+typedef struct xMAC_ADDRESS MACAddress_t;
+
+typedef enum eNETWORK_EVENTS
+{
+	eNetworkUp,		/* The network is configured. */
+	eNetworkDown	/* The network connection has been lost. */
+} eIPCallbackEvent_t;
+
+typedef enum ePING_REPLY_STATUS
+{
+	eSuccess = 0,		/* A correct reply has been received for an outgoing ping. */
+	eInvalidChecksum,	/* A reply was received for an outgoing ping but the checksum of the reply was incorrect. */
+	eInvalidData		/* A reply was received to an outgoing ping but the payload of the reply was not correct. */
+} ePingReplyStatus_t;
+
+typedef enum eNETWORK_ADDRESS_TYPE 
+{
+	eNetWorkAddressTypeIPV4,
+	eNetWorkAddressTypeIPV6,
+	eNetWorkAddressTypeHostName
+} eNetWorkAddressType_t;
+
+/* Endian related definitions. */
+#if( ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN )
+
+	/* FreeRTOS_htons / FreeRTOS_htonl: some platforms might have built-in versions
+	using a single instruction so allow these versions to be overridden. */
+	#ifndef FreeRTOS_htons
+		#define FreeRTOS_htons( usIn ) ( (uint16_t) ( ( ( usIn ) << 8U ) | ( ( usIn ) >> 8U ) ) )
+	#endif
+
+	#ifndef	FreeRTOS_htonl
+		#define FreeRTOS_htonl( ulIn ) 											\
+			(																	\
+				( uint32_t ) 													\
+				( 																\
+					( ( ( ( uint32_t ) ( ulIn ) )                ) << 24  ) | 	\
+					( ( ( ( uint32_t ) ( ulIn ) ) & 0x0000ff00UL ) <<  8  ) | 	\
+					( ( ( ( uint32_t ) ( ulIn ) ) & 0x00ff0000UL ) >>  8  ) | 	\
+					( ( ( ( uint32_t ) ( ulIn ) )                ) >> 24  )  	\
+				) 																\
+			)
+	#endif
+
+#else /* ipconfigBYTE_ORDER */
+
+	#define FreeRTOS_htons( x ) ( ( uint16_t ) ( x ) )
+	#define FreeRTOS_htonl( x ) ( ( uint32_t ) ( x ) )
+
+#endif /* ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN */
+
+#define FreeRTOS_ntohs( x ) FreeRTOS_htons( x )
+#define FreeRTOS_ntohl( x ) FreeRTOS_htonl( x )
+
+#if( ipconfigHAS_INLINE_FUNCTIONS == 1 )
+
+	static portINLINE int32_t  FreeRTOS_max_int32  (int32_t  a, int32_t  b);
+	static portINLINE uint32_t FreeRTOS_max_uint32 (uint32_t a, uint32_t b);
+	static portINLINE int32_t  FreeRTOS_min_int32  (int32_t  a, int32_t  b);
+	static portINLINE uint32_t FreeRTOS_min_uint32 (uint32_t a, uint32_t b);
+	static portINLINE uint32_t FreeRTOS_round_up   (uint32_t a, uint32_t d);
+	static portINLINE uint32_t FreeRTOS_round_down (uint32_t a, uint32_t d);
+	static portINLINE BaseType_t  FreeRTOS_min_BaseType  (BaseType_t  a, BaseType_t  b);
+	static portINLINE BaseType_t  FreeRTOS_max_BaseType  (BaseType_t  a, BaseType_t  b);
+	static portINLINE UBaseType_t FreeRTOS_max_UBaseType (UBaseType_t a, UBaseType_t b);
+	static portINLINE UBaseType_t  	FreeRTOS_min_UBaseType (UBaseType_t  a, UBaseType_t  b);
+
+
+	static portINLINE int32_t  FreeRTOS_max_int32  (int32_t  a, int32_t  b) { return a >= b ? a : b; }
+	static portINLINE uint32_t FreeRTOS_max_uint32 (uint32_t a, uint32_t b) { return a >= b ? a : b; }
+	static portINLINE int32_t  FreeRTOS_min_int32  (int32_t  a, int32_t  b) { return a <= b ? a : b; }
+	static portINLINE uint32_t FreeRTOS_min_uint32 (uint32_t a, uint32_t b) { return a <= b ? a : b; }
+	static portINLINE uint32_t FreeRTOS_round_up   (uint32_t a, uint32_t d) { return d * ( ( a + d - 1u ) / d ); }
+	static portINLINE uint32_t FreeRTOS_round_down (uint32_t a, uint32_t d) { return d * ( a / d ); }
+
+	static portINLINE BaseType_t  FreeRTOS_max_BaseType  (BaseType_t  a, BaseType_t  b) { return a >= b ? a : b; }
+	static portINLINE UBaseType_t FreeRTOS_max_UBaseType (UBaseType_t a, UBaseType_t b) { return a >= b ? a : b; }
+	static portINLINE BaseType_t  FreeRTOS_min_BaseType  (BaseType_t  a, BaseType_t  b) { return a <= b ? a : b; }
+	static portINLINE UBaseType_t FreeRTOS_min_UBaseType (UBaseType_t  a, UBaseType_t  b) { return a <= b ? a : b; }
+
+#else
+
+	#define FreeRTOS_max_int32(a,b)  ( ( ( int32_t  ) ( a ) ) >= ( ( int32_t  ) ( b ) ) ? ( ( int32_t  ) ( a ) ) : ( ( int32_t  ) ( b ) ) )
+	#define FreeRTOS_max_uint32(a,b) ( ( ( uint32_t ) ( a ) ) >= ( ( uint32_t ) ( b ) ) ? ( ( uint32_t ) ( a ) ) : ( ( uint32_t ) ( b ) ) )
+
+	#define FreeRTOS_min_int32(a,b)  ( ( ( int32_t  ) a ) <= ( ( int32_t  ) b ) ? ( ( int32_t  ) a ) : ( ( int32_t  ) b ) )
+	#define FreeRTOS_min_uint32(a,b) ( ( ( uint32_t ) a ) <= ( ( uint32_t ) b ) ? ( ( uint32_t ) a ) : ( ( uint32_t ) b ) )
+
+	/*  Round-up: a = d * ( ( a + d - 1 ) / d ) */
+	#define FreeRTOS_round_up(a,d)   ( ( ( uint32_t ) ( d ) ) * ( ( ( ( uint32_t ) ( a ) ) + ( ( uint32_t ) ( d ) ) - 1UL ) / ( ( uint32_t ) ( d ) ) ) )
+	#define FreeRTOS_round_down(a,d) ( ( ( uint32_t ) ( d ) ) * ( ( ( uint32_t ) ( a ) ) / ( ( uint32_t ) ( d ) ) ) )
+
+	#define FreeRTOS_ms_to_tick(ms)  ( ( ms * configTICK_RATE_HZ + 500 ) / 1000 )
+
+	#define FreeRTOS_max_BaseType(a, b)  ( ( ( BaseType_t  ) ( a ) ) >= ( ( BaseType_t  ) ( b ) ) ? ( ( BaseType_t  ) ( a ) ) : ( ( BaseType_t  ) ( b ) ) )
+	#define FreeRTOS_max_UBaseType(a, b) ( ( ( UBaseType_t ) ( a ) ) >= ( ( UBaseType_t ) ( b ) ) ? ( ( UBaseType_t ) ( a ) ) : ( ( UBaseType_t ) ( b ) ) )
+	#define FreeRTOS_min_BaseType(a, b)  ( ( ( BaseType_t  ) ( a ) ) <= ( ( BaseType_t  ) ( b ) ) ? ( ( BaseType_t  ) ( a ) ) : ( ( BaseType_t  ) ( b ) ) )
+	#define FreeRTOS_min_UBaseType(a, b) ( ( ( UBaseType_t ) ( a ) ) <= ( ( UBaseType_t ) ( b ) ) ? ( ( UBaseType_t ) ( a ) ) : ( ( UBaseType_t ) ( b ) ) )
+
+#endif /* ipconfigHAS_INLINE_FUNCTIONS */
+
+#define pdMS_TO_MIN_TICKS( xTimeInMs ) ( pdMS_TO_TICKS( ( xTimeInMs ) ) < ( ( TickType_t ) 1 ) ? ( ( TickType_t ) 1 ) : pdMS_TO_TICKS( ( xTimeInMs ) ) )
+
+#ifndef pdTRUE_SIGNED
+	/* Temporary solution: eventually the defines below will appear in 'Source\include\projdefs.h' */
+	#define pdTRUE_SIGNED		pdTRUE
+	#define pdFALSE_SIGNED		pdFALSE
+	#define pdTRUE_UNSIGNED		( ( UBaseType_t ) 1u )
+	#define pdFALSE_UNSIGNED	( ( UBaseType_t ) 0u )
+#endif
+
+/*
+ * FULL, UP-TO-DATE AND MAINTAINED REFERENCE DOCUMENTATION FOR ALL THESE
+ * FUNCTIONS IS AVAILABLE ON THE FOLLOWING URL:
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_TCP_API_Functions.html
+ */
+BaseType_t FreeRTOS_IPInit( const uint8_t ucIPAddress[ ipIP_ADDRESS_LENGTH_BYTES ],
+	const uint8_t ucNetMask[ ipIP_ADDRESS_LENGTH_BYTES ],
+	const uint8_t ucGatewayAddress[ ipIP_ADDRESS_LENGTH_BYTES ],
+	const uint8_t ucDNSServerAddress[ ipIP_ADDRESS_LENGTH_BYTES ],
+	const uint8_t ucMACAddress[ ipMAC_ADDRESS_LENGTH_BYTES ] );
+
+void * FreeRTOS_GetUDPPayloadBuffer( size_t xRequestedSizeBytes, TickType_t xBlockTimeTicks );
+void FreeRTOS_GetAddressConfiguration( uint32_t *pulIPAddress, uint32_t *pulNetMask, uint32_t *pulGatewayAddress, uint32_t *pulDNSServerAddress );
+void FreeRTOS_SetAddressConfiguration( const uint32_t *pulIPAddress, const uint32_t *pulNetMask, const uint32_t *pulGatewayAddress, const uint32_t *pulDNSServerAddress );
+BaseType_t FreeRTOS_SendPingRequest( uint32_t ulIPAddress, size_t xNumberOfBytesToSend, TickType_t xBlockTimeTicks );
+void FreeRTOS_ReleaseUDPPayloadBuffer( void *pvBuffer );
+const uint8_t * FreeRTOS_GetMACAddress( void );
+void FreeRTOS_UpdateMACAddress( const uint8_t ucMACAddress[ipMAC_ADDRESS_LENGTH_BYTES] );
+void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent );
+void vApplicationPingReplyHook( ePingReplyStatus_t eStatus, uint16_t usIdentifier );
+uint32_t FreeRTOS_GetIPAddress( void );
+void FreeRTOS_SetIPAddress( uint32_t ulIPAddress );
+void FreeRTOS_SetNetmask( uint32_t ulNetmask );
+void FreeRTOS_SetGatewayAddress( uint32_t ulGatewayAddress );
+uint32_t FreeRTOS_GetGatewayAddress( void );
+uint32_t FreeRTOS_GetDNSServerAddress( void );
+uint32_t FreeRTOS_GetNetmask( void );
+void FreeRTOS_OutputARPRequest( uint32_t ulIPAddress );
+BaseType_t FreeRTOS_IsNetworkUp( void );
+
+#if( ipconfigCHECK_IP_QUEUE_SPACE != 0 )
+	UBaseType_t uxGetMinimumIPQueueSpace( void );
+#endif
+
+/*
+ * Defined in FreeRTOS_Sockets.c
+ * //_RB_ Don't think this comment is correct.  If this is for internal use only it should appear after all the public API functions and not start with FreeRTOS_.
+ * Socket has had activity, reset the timer so it will not be closed
+ * because of inactivity
+ */
+const char *FreeRTOS_GetTCPStateName( UBaseType_t ulState);
+
+/* _HT_ Temporary: show all valid ARP entries
+ */
+void FreeRTOS_PrintARPCache( void );
+void FreeRTOS_ClearARP( void );
+
+#if( ipconfigDHCP_REGISTER_HOSTNAME == 1 )
+
+	/* DHCP has an option for clients to register their hostname.  It doesn't
+	have much use, except that a device can be found in a router along with its
+	name. If this option is used the callback below must be provided by the
+	application	writer to return a const string, denoting the device's name. */
+	const char *pcApplicationHostnameHook( void );
+
+#endif /* ipconfigDHCP_REGISTER_HOSTNAME */
+
+
+/* This xApplicationGetRandomNumber() will set *pulNumber to a random number,
+and return pdTRUE. When the random number generator is broken, it shall return
+pdFALSE.
+The function is defined in 'iot_secure_sockets.c'.
+If that module is not included in the project, the application must provide an
+implementation of it.
+The macro's ipconfigRAND32() and configRAND32() are not in use anymore. */
+BaseType_t xApplicationGetRandomNumber( uint32_t *pulNumber );
+
+/* For backward compatibility define old structure names to the newer equivalent
+structure name. */
+#ifndef ipconfigENABLE_BACKWARD_COMPATIBILITY
+	#define ipconfigENABLE_BACKWARD_COMPATIBILITY	1
+#endif
+
+#if( ipconfigENABLE_BACKWARD_COMPATIBILITY == 1 )
+	#define xIPStackEvent_t 			IPStackEvent_t
+	#define xNetworkBufferDescriptor_t 	NetworkBufferDescriptor_t
+	#define xMACAddress_t 				MACAddress_t
+	#define xWinProperties_t 			WinProperties_t
+	#define xSocket_t 					Socket_t
+	#define xSocketSet_t 				SocketSet_t
+	#define ipSIZE_OF_IP_HEADER			ipSIZE_OF_IPv4_HEADER
+
+	/* Since August 2016, the public types and fields below have changed name:
+	abbreviations TCP/UDP are now written in capitals, and type names now end with "_t". */
+	#define FOnConnected				FOnConnected_t
+	#define FOnTcpReceive				FOnTCPReceive_t
+	#define FOnTcpSent					FOnTCPSent_t
+	#define FOnUdpReceive				FOnUDPReceive_t
+	#define FOnUdpSent					FOnUDPSent_t
+
+	#define pOnTcpConnected				pxOnTCPConnected
+	#define pOnTcpReceive				pxOnTCPReceive
+	#define pOnTcpSent					pxOnTCPSent
+	#define pOnUdpReceive				pxOnUDPReceive
+	#define pOnUdpSent					pxOnUDPSent
+
+	#define FOnUdpSent					FOnUDPSent_t
+	#define FOnTcpSent					FOnTCPSent_t
+#endif /* ipconfigENABLE_BACKWARD_COMPATIBILITY */
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* FREERTOS_IP_H */
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP_Private.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP_Private.h
index 8604abed0..0d8c03872 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP_Private.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP_Private.h
@@ -1,827 +1,827 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef FREERTOS_IP_PRIVATE_H

-#define FREERTOS_IP_PRIVATE_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* Application level configuration options. */

-#include "FreeRTOSIPConfig.h"

-#include "FreeRTOSIPConfigDefaults.h"

-#include "FreeRTOS_Sockets.h"

-#include "IPTraceMacroDefaults.h"

-#include "FreeRTOS_Stream_Buffer.h"

-#if( ipconfigUSE_TCP == 1 )

-	#include "FreeRTOS_TCP_WIN.h"

-	#include "FreeRTOS_TCP_IP.h"

-#endif

-

-#include "event_groups.h"

-

-typedef struct xNetworkAddressingParameters

-{

-	uint32_t ulDefaultIPAddress;

-	uint32_t ulNetMask;

-	uint32_t ulGatewayAddress;

-	uint32_t ulDNSServerAddress;

-	uint32_t ulBroadcastAddress;

-} NetworkAddressingParameters_t;

-

-extern BaseType_t xTCPWindowLoggingLevel;

-

-/*-----------------------------------------------------------*/

-/* Protocol headers.                                         */

-/*-----------------------------------------------------------*/

-

-#include "pack_struct_start.h"

-struct xETH_HEADER

-{

-	MACAddress_t xDestinationAddress; /*  0 + 6 = 6  */

-	MACAddress_t xSourceAddress;      /*  6 + 6 = 12 */

-	uint16_t usFrameType;              /* 12 + 2 = 14 */

-}

-#include "pack_struct_end.h"

-typedef struct xETH_HEADER EthernetHeader_t;

-

-#include "pack_struct_start.h"

-struct xARP_HEADER

-{

-	uint16_t usHardwareType;				/*  0 +  2 =  2 */

-	uint16_t usProtocolType;				/*  2 +  2 =  4 */

-	uint8_t ucHardwareAddressLength;		/*  4 +  1 =  5 */

-	uint8_t ucProtocolAddressLength;		/*  5 +  1 =  6 */

-	uint16_t usOperation;					/*  6 +  2 =  8 */

-	MACAddress_t xSenderHardwareAddress;	/*  8 +  6 = 14 */

-	uint8_t ucSenderProtocolAddress[ 4 ];	/* 14 +  4 = 18  */

-	MACAddress_t xTargetHardwareAddress;	/* 18 +  6 = 24  */

-	uint32_t ulTargetProtocolAddress;		/* 24 +  4 = 28  */

-}

-#include "pack_struct_end.h"

-typedef struct xARP_HEADER ARPHeader_t;

-

-#include "pack_struct_start.h"

-struct xIP_HEADER

-{

-	uint8_t ucVersionHeaderLength;        /*  0 + 1 =  1 */

-	uint8_t ucDifferentiatedServicesCode; /*  1 + 1 =  2 */

-	uint16_t usLength;                    /*  2 + 2 =  4 */

-	uint16_t usIdentification;            /*  4 + 2 =  6 */

-	uint16_t usFragmentOffset;            /*  6 + 2 =  8 */

-	uint8_t ucTimeToLive;                 /*  8 + 1 =  9 */

-	uint8_t ucProtocol;                   /*  9 + 1 = 10 */

-	uint16_t usHeaderChecksum;            /* 10 + 2 = 12 */

-	uint32_t ulSourceIPAddress;           /* 12 + 4 = 16 */

-	uint32_t ulDestinationIPAddress;      /* 16 + 4 = 20 */

-}

-#include "pack_struct_end.h"

-typedef struct xIP_HEADER IPHeader_t;

-

-#include "pack_struct_start.h"

-struct xIGMP_HEADER

-{

-	uint8_t ucVersionType;     /* 0 + 1 = 1 */

-	uint8_t ucMaxResponseTime; /* 1 + 1 = 2 */

-	uint16_t usChecksum;       /* 2 + 2 = 4 */

-	uint32_t usGroupAddress;   /* 4 + 4 = 8 */

-}

-#include "pack_struct_end.h"

-typedef struct xIGMP_HEADER IGMPHeader_t;

-

-#include "pack_struct_start.h"

-struct xICMP_HEADER

-{

-	uint8_t ucTypeOfMessage;   /* 0 + 1 = 1 */

-	uint8_t ucTypeOfService;   /* 1 + 1 = 2 */

-	uint16_t usChecksum;       /* 2 + 2 = 4 */

-	uint16_t usIdentifier;     /* 4 + 2 = 6 */

-	uint16_t usSequenceNumber; /* 6 + 2 = 8 */

-}

-#include "pack_struct_end.h"

-typedef struct xICMP_HEADER ICMPHeader_t;

-

-#include "pack_struct_start.h"

-struct xUDP_HEADER

-{

-	uint16_t usSourcePort;      /* 0 + 2 = 2 */

-	uint16_t usDestinationPort; /* 2 + 2 = 4 */

-	uint16_t usLength;          /* 4 + 2 = 6 */

-	uint16_t usChecksum;        /* 6 + 2 = 8 */

-}

-#include "pack_struct_end.h"

-typedef struct xUDP_HEADER UDPHeader_t;

-

-#include "pack_struct_start.h"

-struct xTCP_HEADER

-{

-	uint16_t usSourcePort;		/* +  2 =  2 */

-	uint16_t usDestinationPort;	/* +  2 =  4 */

-	uint32_t ulSequenceNumber;	/* +  4 =  8 */

-	uint32_t ulAckNr;   	 	/* +  4 = 12 */

-	uint8_t  ucTCPOffset;		/* +  1 = 13 */

-	uint8_t  ucTCPFlags;		/* +  1 = 14 */

-	uint16_t usWindow;			/* +  2 = 15 */

-	uint16_t usChecksum;		/* +  2 = 18 */

-	uint16_t usUrgent;			/* +  2 = 20 */

-#if ipconfigUSE_TCP == 1

-	/* the option data is not a part of the TCP header */

-	uint8_t  ucOptdata[ipSIZE_TCP_OPTIONS];		/* + 12 = 32 */

-#endif

-}

-#include "pack_struct_end.h"

-typedef struct xTCP_HEADER TCPHeader_t;

-

-#include "pack_struct_start.h"

-struct xPSEUDO_HEADER

-{

-	uint32_t ulSourceAddress;

-	uint32_t ulDestinationAddress;

-	uint8_t ucZeros;

-	uint8_t ucProtocol;

-	uint16_t usUDPLength;

-}

-#include "pack_struct_end.h"

-typedef struct xPSEUDO_HEADER PseudoHeader_t;

-

-/*-----------------------------------------------------------*/

-/* Nested protocol packets.                                  */

-/*-----------------------------------------------------------*/

-

-#include "pack_struct_start.h"

-struct xARP_PACKET

-{

-	EthernetHeader_t xEthernetHeader;	/*  0 + 14 = 14 */

-	ARPHeader_t xARPHeader;			/* 14 + 28 = 42 */

-}

-#include "pack_struct_end.h"

-typedef struct xARP_PACKET ARPPacket_t;

-

-#include "pack_struct_start.h"

-struct xIP_PACKET

-{

-	EthernetHeader_t xEthernetHeader;

-	IPHeader_t xIPHeader;

-}

-#include "pack_struct_end.h"

-typedef struct xIP_PACKET IPPacket_t;

-

-#include "pack_struct_start.h"

-struct xICMP_PACKET

-{

-	EthernetHeader_t xEthernetHeader;

-	IPHeader_t xIPHeader;

-	ICMPHeader_t xICMPHeader;

-}

-#include "pack_struct_end.h"

-typedef struct xICMP_PACKET ICMPPacket_t;

-

-#include "pack_struct_start.h"

-struct xUDP_PACKET

-{

-	EthernetHeader_t xEthernetHeader; /*  0 + 14 = 14 */

-	IPHeader_t xIPHeader;             /* 14 + 20 = 34 */

-	UDPHeader_t xUDPHeader;           /* 34 +  8 = 42 */

-}

-#include "pack_struct_end.h"

-typedef struct xUDP_PACKET UDPPacket_t;

-

-#include "pack_struct_start.h"

-struct xTCP_PACKET

-{

-	EthernetHeader_t xEthernetHeader; /*  0 + 14 = 14 */

-	IPHeader_t xIPHeader;             /* 14 + 20 = 34 */

-	TCPHeader_t xTCPHeader;           /* 34 + 32 = 66 */

-}

-#include "pack_struct_end.h"

-typedef struct xTCP_PACKET TCPPacket_t;

-

-typedef union XPROT_PACKET

-{

-	ARPPacket_t xARPPacket;

-	TCPPacket_t xTCPPacket;

-	UDPPacket_t xUDPPacket;

-	ICMPPacket_t xICMPPacket;

-} ProtocolPacket_t;

-

-

-/* The maximum UDP payload length. */

-#define ipMAX_UDP_PAYLOAD_LENGTH ( ( ipconfigNETWORK_MTU - ipSIZE_OF_IPv4_HEADER ) - ipSIZE_OF_UDP_HEADER )

-

-typedef enum

-{

-	eReleaseBuffer = 0,		/* Processing the frame did not find anything to do - just release the buffer. */

-	eProcessBuffer,			/* An Ethernet frame has a valid address - continue process its contents. */

-	eReturnEthernetFrame,	/* The Ethernet frame contains an ARP or ICMP packet that can be returned to its source. */

-	eFrameConsumed			/* Processing the Ethernet packet contents resulted in the payload being sent to the stack. */

-} eFrameProcessingResult_t;

-

-typedef enum

-{

-	eNoEvent = -1,

-	eNetworkDownEvent,		/* 0: The network interface has been lost and/or needs [re]connecting. */

-	eNetworkRxEvent,		/* 1: The network interface has queued a received Ethernet frame. */

-	eNetworkTxEvent,		/* 2: Let the IP-task send a network packet. */

-	eARPTimerEvent,			/* 3: The ARP timer expired. */

-	eStackTxEvent,			/* 4: The software stack has queued a packet to transmit. */

-	eDHCPEvent,				/* 5: Process the DHCP state machine. */

-	eTCPTimerEvent,			/* 6: See if any TCP socket needs attention. */

-	eTCPAcceptEvent,		/* 7: Client API FreeRTOS_accept() waiting for client connections. */

-	eTCPNetStat,			/* 8: IP-task is asked to produce a netstat listing. */

-	eSocketBindEvent,		/* 9: Send a message to the IP-task to bind a socket to a port. */

-	eSocketCloseEvent,		/*10: Send a message to the IP-task to close a socket. */

-	eSocketSelectEvent,		/*11: Send a message to the IP-task for select(). */

-	eSocketSignalEvent,		/*12: A socket must be signalled. */

-} eIPEvent_t;

-

-typedef struct IP_TASK_COMMANDS

-{

-	eIPEvent_t eEventType;

-	void *pvData;

-} IPStackEvent_t;

-

-#define ipBROADCAST_IP_ADDRESS 0xffffffffUL

-

-/* Offset into the Ethernet frame that is used to temporarily store information

-on the fragmentation status of the packet being sent.  The value is important,

-as it is past the location into which the destination address will get placed. */

-#define ipFRAGMENTATION_PARAMETERS_OFFSET		( 6 )

-#define ipSOCKET_OPTIONS_OFFSET					( 6 )

-

-/* Only used when outgoing fragmentation is being used (FreeRTOSIPConfig.h

-setting. */

-#define ipGET_UDP_PAYLOAD_OFFSET_FOR_FRAGMENT( usFragmentOffset ) ( ( ( usFragmentOffset ) == 0 ) ? ipUDP_PAYLOAD_OFFSET_IPv4 : ipIP_PAYLOAD_OFFSET )

-

-/* The offset into a UDP packet at which the UDP data (payload) starts. */

-#define ipUDP_PAYLOAD_OFFSET_IPv4	( sizeof( UDPPacket_t ) )

-

-/* The offset into an IP packet into which the IP data (payload) starts. */

-#define ipIP_PAYLOAD_OFFSET		( sizeof( IPPacket_t ) )

-

-#include "pack_struct_start.h"

-struct xUDP_IP_FRAGMENT_PARAMETERS

-{

-	uint8_t ucSocketOptions;

-	uint8_t ucPadFor16BitAlignment;

-	uint16_t usFragmentedPacketOffset;

-	uint16_t usFragmentLength;

-	uint16_t usPayloadChecksum;

-}

-#include "pack_struct_end.h"

-typedef struct xUDP_IP_FRAGMENT_PARAMETERS IPFragmentParameters_t;

-

-#if( ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN )

-

-	/* Ethernet frame types. */

-	#define ipARP_FRAME_TYPE	( 0x0608U )

-	#define ipIPv4_FRAME_TYPE	( 0x0008U )

-

-	/* ARP related definitions. */

-	#define ipARP_PROTOCOL_TYPE				( 0x0008U )

-	#define ipARP_HARDWARE_TYPE_ETHERNET	( 0x0100U )

-	#define ipARP_REQUEST					( 0x0100U )

-	#define ipARP_REPLY						( 0x0200U )

-

-#else

-

-	/* Ethernet frame types. */

-	#define ipARP_FRAME_TYPE	( 0x0806U )

-	#define ipIPv4_FRAME_TYPE	( 0x0800U )

-

-	/* ARP related definitions. */

-	#define ipARP_PROTOCOL_TYPE ( 0x0800U )

-	#define ipARP_HARDWARE_TYPE_ETHERNET ( 0x0001U )

-	#define ipARP_REQUEST ( 0x0001 )

-	#define ipARP_REPLY ( 0x0002 )

-

-#endif /* ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN */

-

-

-/* For convenience, a MAC address of all zeros and another of all 0xffs are

-defined const for quick reference. */

-extern const MACAddress_t xBroadcastMACAddress; /* all 0xff's */

-extern uint16_t usPacketIdentifier;

-

-/* Define a default UDP packet header (declared in FreeRTOS_UDP_IP.c) */

-typedef union xUDPPacketHeader

-{

-	uint8_t ucBytes[24];

-	uint32_t ulWords[6];

-} UDPPacketHeader_t;

-extern UDPPacketHeader_t xDefaultPartUDPPacketHeader;

-

-/* Structure that stores the netmask, gateway address and DNS server addresses. */

-extern NetworkAddressingParameters_t xNetworkAddressing;

-

-/* Structure that stores the defaults for netmask, gateway address and DNS.

-These values will be copied to 'xNetworkAddressing' in case DHCP is not used,

-and also in case DHCP does not lead to a confirmed request. */

-extern NetworkAddressingParameters_t xDefaultAddressing;

-

-/* True when BufferAllocation_1.c was included, false for BufferAllocation_2.c */

-extern const BaseType_t xBufferAllocFixedSize;

-

-/* Defined in FreeRTOS_Sockets.c */

-#if ( ipconfigUSE_TCP == 1 )

-	extern List_t xBoundTCPSocketsList;

-#endif

-

-/* The local IP address is accessed from within xDefaultPartUDPPacketHeader,

-rather than duplicated in its own variable. */

-#define ipLOCAL_IP_ADDRESS_POINTER ( ( uint32_t * ) &( xDefaultPartUDPPacketHeader.ulWords[ 20u / sizeof(uint32_t) ] ) )

-

-/* The local MAC address is accessed from within xDefaultPartUDPPacketHeader,

-rather than duplicated in its own variable. */

-#define ipLOCAL_MAC_ADDRESS ( &xDefaultPartUDPPacketHeader.ucBytes[0] )

-

-/* ICMP packets are sent using the same function as UDP packets.  The port

-number is used to distinguish between the two, as 0 is an invalid UDP port. */

-#define ipPACKET_CONTAINS_ICMP_DATA					( 0 )

-

-/* For now, the lower 8 bits in 'xEventBits' will be reserved for the above

-socket events. */

-#define SOCKET_EVENT_BIT_COUNT   8

-

-#define vSetField16( pxBase, xType, xField, usValue ) \

-{ \

-	( ( uint8_t* )( pxBase ) ) [ offsetof( xType, xField ) + 0 ] = ( uint8_t ) ( ( usValue ) >> 8 ); \

-	( ( uint8_t* )( pxBase ) ) [ offsetof( xType, xField ) + 1 ] = ( uint8_t ) ( ( usValue ) & 0xff ); \

-}

-

-#define vSetField32( pxBase, xType, xField, ulValue ) \

-{ \

-	( (uint8_t*)( pxBase ) ) [ offsetof( xType, xField ) + 0 ] = ( uint8_t )   ( ( ulValue ) >> 24 ); \

-	( (uint8_t*)( pxBase ) ) [ offsetof( xType, xField ) + 1 ] = ( uint8_t ) ( ( ( ulValue ) >> 16 ) & 0xff ); \

-	( (uint8_t*)( pxBase ) ) [ offsetof( xType, xField ) + 2 ] = ( uint8_t ) ( ( ( ulValue ) >> 8 ) & 0xff ); \

-	( (uint8_t*)( pxBase ) ) [ offsetof( xType, xField ) + 3 ] = ( uint8_t )   ( ( ulValue ) & 0xff ); \

-}

-

-#define vFlip_16( left, right ) \

-	do { \

-		uint16_t tmp = (left); \

-		(left) = (right); \

-		(right) = tmp; \

-	} while (0)

-

-#define vFlip_32( left, right ) \

-	do { \

-		uint32_t tmp = (left); \

-		(left) = (right); \

-		(right) = tmp; \

-	} while (0)

-

-#ifndef ARRAY_SIZE

-	#define ARRAY_SIZE(x)	(BaseType_t)(sizeof(x)/sizeof(x)[0])

-#endif

-

-/*

- * A version of FreeRTOS_GetReleaseNetworkBuffer() that can be called from an

- * interrupt.  If a non zero value is returned, then the calling ISR should

- * perform a context switch before exiting the ISR.

- */

-BaseType_t FreeRTOS_ReleaseFreeNetworkBufferFromISR( void );

-

-/*

- * Create a message that contains a command to initialise the network interface.

- * This is used during initialisation, and at any time the network interface

- * goes down thereafter.  The network interface hardware driver is responsible

- * for sending the message that contains the network interface down command/

- * event.

- *

- * Only use the FreeRTOS_NetworkDownFromISR() version if the function is to be

- * called from an interrupt service routine.  If FreeRTOS_NetworkDownFromISR()

- * returns a non-zero value then a context switch should be performed ebfore

- * the interrupt is exited.

- */

-void FreeRTOS_NetworkDown( void );

-BaseType_t FreeRTOS_NetworkDownFromISR( void );

-

-/*

- * Processes incoming ARP packets.

- */

-eFrameProcessingResult_t eARPProcessPacket( ARPPacket_t * const pxARPFrame );

-

-/*

- * Inspect an Ethernet frame to see if it contains data that the stack needs to

- * process.  eProcessBuffer is returned if the frame should be processed by the

- * stack.  eReleaseBuffer is returned if the frame should be discarded.

- */

-eFrameProcessingResult_t eConsiderFrameForProcessing( const uint8_t * const pucEthernetBuffer );

-

-/*

- * Return the checksum generated over xDataLengthBytes from pucNextData.

- */

-uint16_t usGenerateChecksum( uint32_t ulSum, const uint8_t * pucNextData, size_t uxDataLengthBytes );

-

-/* Socket related private functions. */

-

-/* 

- * The caller must ensure that pxNetworkBuffer->xDataLength is the UDP packet 

- * payload size (excluding packet headers) and that the packet in pucEthernetBuffer 

- * is at least the size of UDPPacket_t. 

- */

-BaseType_t xProcessReceivedUDPPacket( NetworkBufferDescriptor_t *pxNetworkBuffer, uint16_t usPort );

-

-/*

- * Initialize the socket list data structures for TCP and UDP. 

- */

-BaseType_t vNetworkSocketsInit( void );

-

-/*

- * Returns pdTRUE if the IP task has been created and is initialised.  Otherwise

- * returns pdFALSE.

- */

-BaseType_t xIPIsNetworkTaskReady( void );

-

-#if( ipconfigSOCKET_HAS_USER_WAKE_CALLBACK == 1 )

-	struct xSOCKET;

-	typedef void (*SocketWakeupCallback_t)( struct xSOCKET * pxSocket );

-#endif

-

-#if( ipconfigUSE_TCP == 1 )

-

-	/*

-	 * Actually a user thing, but because xBoundTCPSocketsList, let it do by the

-	 * IP-task

-	 */

-	void vTCPNetStat( void );

-

-	/*

-	 * At least one socket needs to check for timeouts

-	 */

-	TickType_t xTCPTimerCheck( BaseType_t xWillSleep );

-

-	/* Every TCP socket has a buffer space just big enough to store

-	the last TCP header received.

-	As a reference of this field may be passed to DMA, force the

-	alignment to 8 bytes. */

-	typedef union

-	{

-		struct

-		{

-			/* Increase the alignment of this union by adding a 64-bit variable. */

-			uint64_t ullAlignmentWord;

-		} a;

-		struct

-		{

-			/* The next field only serves to give 'ucLastPacket' a correct

-			alignment of 8 + 2.  See comments in FreeRTOS_IP.h */

-			uint8_t ucFillPacket[ ipconfigPACKET_FILLER_SIZE ];

-			uint8_t ucLastPacket[ sizeof( TCPPacket_t ) ];

-		} u;

-	} LastTCPPacket_t;

-

-	/*

-	 * Note that the values of all short and long integers in these structs

-	 * are being stored in the native-endian way

-	 * Translation should take place when accessing any structure which defines

-	 * network packets, such as IPHeader_t and TCPHeader_t

-	 */

-	typedef struct TCPSOCKET

-	{

-		uint32_t ulRemoteIP;		/* IP address of remote machine */

-		uint16_t usRemotePort;		/* Port on remote machine */

-		struct {

-			/* Most compilers do like bit-flags */

-			uint32_t

-				bMssChange : 1,		/* This socket has seen a change in MSS */

-				bPassAccept : 1,	/* when true, this socket may be returned in a call to accept() */

-				bPassQueued : 1,	/* when true, this socket is an orphan until it gets connected

-									 * Why an orphan? Because it may not be returned in a accept() call until it

-									 * gets the state eESTABLISHED */

-				bReuseSocket : 1,	/* When a listening socket gets a connection, do not create a new instance but keep on using it */

-				bCloseAfterSend : 1,/* As soon as the last byte has been transmitted, finalise the connection

-									 * Useful in e.g. FTP connections, where the last data bytes are sent along with the FIN flag */

-				bUserShutdown : 1,	/* User requesting a graceful shutdown */

-				bCloseRequested : 1,/* Request to finalise the connection */

-				bLowWater : 1,		/* high-water level has been reached. Cleared as soon as 'rx-count < lo-water' */

-				bWinChange : 1,		/* The value of bLowWater has changed, must send a window update */

-				bSendKeepAlive : 1,	/* When this flag is true, a TCP keep-alive message must be send */

-				bWaitKeepAlive : 1,	/* When this flag is true, a TCP keep-alive reply is expected */

-				bConnPrepared : 1,	/* Connecting socket: Message has been prepared */

-				#if( ipconfigSUPPORT_SELECT_FUNCTION == 1 )

-					bConnPassed : 1,	/* Connecting socket: Socket has been passed in a successful select()  */

-				#endif /* ipconfigSUPPORT_SELECT_FUNCTION */

-				bFinAccepted : 1,	/* This socket has received (or sent) a FIN and accepted it */

-				bFinSent : 1,		/* We've sent out a FIN */

-				bFinRecv : 1,		/* We've received a FIN from our peer */

-				bFinAcked : 1,		/* Our FIN packet has been acked */

-				bFinLast : 1,		/* The last ACK (after FIN and FIN+ACK) has been sent or will be sent by the peer */

-				bRxStopped : 1,		/* Application asked to temporarily stop reception */

-				bMallocError : 1,	/* There was an error allocating a stream */

-				bWinScaling : 1;	/* A TCP-Window Scaling option was offered and accepted in the SYN phase. */

-		} bits;

-		uint32_t ulHighestRxAllowed;

-								/* The highest sequence number that we can receive at any moment */

-		uint16_t usTimeout;		/* Time (in ticks) after which this socket needs attention */

-		uint16_t usCurMSS;		/* Current Maximum Segment Size */

-		uint16_t usInitMSS;		/* Initial maximum segment Size */

-		uint16_t usChildCount;	/* In case of a listening socket: number of connections on this port number */

-		uint16_t usBacklog;		/* In case of a listening socket: maximum number of concurrent connections on this port number */

-		uint8_t ucRepCount;		/* Send repeat count, for retransmissions

-								 * This counter is separate from the xmitCount in the

-								 * TCP win segments */

-		uint8_t ucTCPState;		/* TCP state: see eTCP_STATE */

-		struct xSOCKET *pxPeerSocket;	/* for server socket: child, for child socket: parent */

-		#if( ipconfigTCP_KEEP_ALIVE == 1 )

-			uint8_t ucKeepRepCount;

-			TickType_t xLastAliveTime;

-		#endif /* ipconfigTCP_KEEP_ALIVE */

-		#if( ipconfigTCP_HANG_PROTECTION == 1 )

-			TickType_t xLastActTime;

-		#endif /* ipconfigTCP_HANG_PROTECTION */

-		size_t uxLittleSpace;

-		size_t uxEnoughSpace;

-		size_t uxRxStreamSize;

-		size_t uxTxStreamSize;

-		StreamBuffer_t *rxStream;

-		StreamBuffer_t *txStream;

-		#if( ipconfigUSE_TCP_WIN == 1 )

-			NetworkBufferDescriptor_t *pxAckMessage;

-		#endif /* ipconfigUSE_TCP_WIN */

-		/* Buffer space to store the last TCP header received. */

-		LastTCPPacket_t xPacket;

-		uint8_t tcpflags;		/* TCP flags */

-		#if( ipconfigUSE_TCP_WIN != 0 )

-			uint8_t ucMyWinScaleFactor;

-			uint8_t ucPeerWinScaleFactor;

-		#endif

-		#if( ipconfigUSE_CALLBACKS == 1 )

-			FOnTCPReceive_t pxHandleReceive;	/*

-										 		 * In case of a TCP socket:

-										 		 * typedef void (* FOnTCPReceive_t) (Socket_t xSocket, void *pData, size_t xLength );

-										 		 */

-			FOnTCPSent_t pxHandleSent;

-			FOnConnected_t pxHandleConnected;	/* Actually type: typedef void (* FOnConnected_t) (Socket_t xSocket, BaseType_t ulConnected ); */

-		#endif /* ipconfigUSE_CALLBACKS */

-		uint32_t ulWindowSize;		/* Current Window size advertised by peer */

-		size_t uxRxWinSize;	/* Fixed value: size of the TCP reception window */

-		size_t uxTxWinSize;	/* Fixed value: size of the TCP transmit window */

-

-		TCPWindow_t xTCPWindow;

-	} IPTCPSocket_t;

-

-#endif /* ipconfigUSE_TCP */

-

-typedef struct UDPSOCKET

-{

-	List_t xWaitingPacketsList;	/* Incoming packets */

-	#if( ipconfigUDP_MAX_RX_PACKETS > 0 )

-		UBaseType_t uxMaxPackets; /* Protection: limits the number of packets buffered per socket */

-	#endif /* ipconfigUDP_MAX_RX_PACKETS */

-	#if( ipconfigUSE_CALLBACKS == 1 )

-		FOnUDPReceive_t pxHandleReceive;	/*

-											 * In case of a UDP socket:

-											 * typedef void (* FOnUDPReceive_t) (Socket_t xSocket, void *pData, size_t xLength, struct freertos_sockaddr *pxAddr );

-											 */

-		FOnUDPSent_t pxHandleSent;

-	#endif /* ipconfigUSE_CALLBACKS */

-} IPUDPSocket_t;

-

-typedef enum eSOCKET_EVENT {

-	eSOCKET_RECEIVE = 0x0001,

-	eSOCKET_SEND    = 0x0002,

-	eSOCKET_ACCEPT  = 0x0004,

-	eSOCKET_CONNECT = 0x0008,

-	eSOCKET_BOUND   = 0x0010,

-	eSOCKET_CLOSED	= 0x0020,

-	eSOCKET_INTR	= 0x0040,

-	eSOCKET_ALL		= 0x007F,

-} eSocketEvent_t;

-

-typedef struct xSOCKET

-{

-	EventBits_t xEventBits;

-	EventGroupHandle_t xEventGroup;

-

-	ListItem_t xBoundSocketListItem; /* Used to reference the socket from a bound sockets list. */

-	TickType_t xReceiveBlockTime; /* if recv[to] is called while no data is available, wait this amount of time. Unit in clock-ticks */

-	TickType_t xSendBlockTime; /* if send[to] is called while there is not enough space to send, wait this amount of time. Unit in clock-ticks */

-

-	uint16_t usLocalPort;		/* Local port on this machine */

-	uint8_t ucSocketOptions;

-	uint8_t ucProtocol; /* choice of FREERTOS_IPPROTO_UDP/TCP */

-	#if( ipconfigSOCKET_HAS_USER_SEMAPHORE == 1 )

-		SemaphoreHandle_t pxUserSemaphore;

-	#endif /* ipconfigSOCKET_HAS_USER_SEMAPHORE */

-	#if( ipconfigSOCKET_HAS_USER_WAKE_CALLBACK == 1 )

-		SocketWakeupCallback_t pxUserWakeCallback;

-	#endif /* ipconfigSOCKET_HAS_USER_WAKE_CALLBACK */

-

-	#if( ipconfigSUPPORT_SELECT_FUNCTION == 1 )

-		struct xSOCKET_SET *pxSocketSet;

-		/* User may indicate which bits are interesting for this socket. */

-		EventBits_t xSelectBits;

-		/* These bits indicate the events which have actually occurred.

-		They are maintained by the IP-task */

-		EventBits_t xSocketBits;

-	#endif /* ipconfigSUPPORT_SELECT_FUNCTION */

-	/* TCP/UDP specific fields: */

-	/* Before accessing any member of this structure, it should be confirmed */

-	/* that the protocol corresponds with the type of structure */

-

-	union

-	{

-		IPUDPSocket_t xUDP;

-		#if( ipconfigUSE_TCP == 1 )

-			IPTCPSocket_t xTCP;

-			/* Make sure that xTCP is 8-bytes aligned by

-			declaring a 64-bit variable in the same union */

-			uint64_t ullTCPAlignment;

-		#endif /* ipconfigUSE_TCP */

-	} u;

-} FreeRTOS_Socket_t;

-

-#if( ipconfigUSE_TCP == 1 )

-	/*

-	 * Lookup a TCP socket, using a multiple matching: both port numbers and

-	 * return IP address.

-	 */

-	FreeRTOS_Socket_t *pxTCPSocketLookup( uint32_t ulLocalIP, UBaseType_t uxLocalPort, uint32_t ulRemoteIP, UBaseType_t uxRemotePort );

-

-#endif /* ipconfigUSE_TCP */

-

-/*

- * Look up a local socket by finding a match with the local port.

- */

-FreeRTOS_Socket_t *pxUDPSocketLookup( UBaseType_t uxLocalPort );

-

-/*

- * Called when the application has generated a UDP packet to send.

- */

-void vProcessGeneratedUDPPacket( NetworkBufferDescriptor_t * const pxNetworkBuffer );

-

-/*

- * Calculate the upper-layer checksum

- * Works both for UDP, ICMP and TCP packages

- * bOut = true: checksum will be set in outgoing packets

- * bOut = false: checksum will be calculated for incoming packets

- *     returning 0xffff means: checksum was correct

- */

-uint16_t usGenerateProtocolChecksum( const uint8_t * const pucEthernetBuffer, size_t uxBufferLength, BaseType_t xOutgoingPacket );

-

-/*

- * An Ethernet frame has been updated (maybe it was an ARP request or a PING

- * request?) and is to be sent back to its source.

- */

-void vReturnEthernetFrame( NetworkBufferDescriptor_t * pxNetworkBuffer, BaseType_t xReleaseAfterSend );

-

-/*

- * The internal version of bind()

- * If 'ulInternal' is true, it is called by the driver

- * The TCP driver needs to bind a socket at the moment a listening socket

- * creates a new connected socket

- */

-BaseType_t vSocketBind( FreeRTOS_Socket_t *pxSocket, struct freertos_sockaddr * pxAddress, size_t uxAddressLength, BaseType_t xInternal );

-

-/*

- * Internal function to add streaming data to a TCP socket. If ulIn == true,

- * data will be added to the rxStream, otherwise to the tXStream.  Normally data

- * will be written with ulOffset == 0, meaning: at the end of the FIFO.  When

- * packet come in out-of-order, an offset will be used to put it in front and

- * the head will not change yet.

- */

-int32_t lTCPAddRxdata(FreeRTOS_Socket_t *pxSocket, size_t uxOffset, const uint8_t *pcData, uint32_t ulByteCount);

-

-/*

- * Currently called for any important event.

- */

-void vSocketWakeUpUser( FreeRTOS_Socket_t *pxSocket );

-

-/*

- * Some helping function, their meaning should be clear

- */

-static portINLINE uint32_t ulChar2u32 (const uint8_t *apChr);

-static portINLINE uint32_t ulChar2u32 (const uint8_t *apChr)

-{

-	return  ( ( ( uint32_t )apChr[0] ) << 24) |

-			( ( ( uint32_t )apChr[1] ) << 16) |

-			( ( ( uint32_t )apChr[2] ) << 8) |

-			( ( ( uint32_t )apChr[3] ) );

-}

-

-static portINLINE uint16_t usChar2u16 (const uint8_t *apChr);

-static portINLINE uint16_t usChar2u16 (const uint8_t *apChr)

-{

-	return ( uint16_t )

-			( ( ( ( uint32_t )apChr[0] ) << 8) |

-			  ( ( ( uint32_t )apChr[1] ) ) );

-}

-

-/* Check a single socket for retransmissions and timeouts */

-BaseType_t xTCPSocketCheck( FreeRTOS_Socket_t *pxSocket );

-

-BaseType_t xTCPCheckNewClient( FreeRTOS_Socket_t *pxSocket );

-

-/* Defined in FreeRTOS_Sockets.c

- * Close a socket

- */

-void *vSocketClose( FreeRTOS_Socket_t *pxSocket );

-

-/*

- * Send the event eEvent to the IP task event queue, using a block time of

- * zero.  Return pdPASS if the message was sent successfully, otherwise return

- * pdFALSE.

-*/

-BaseType_t xSendEventToIPTask( eIPEvent_t eEvent );

-

-/*

- * The same as above, but a struct as a parameter, containing:

- * 		eIPEvent_t eEventType;

- *		void *pvData;

- */

-BaseType_t xSendEventStructToIPTask( const IPStackEvent_t *pxEvent, TickType_t xTimeout );

-

-/*

- * Returns a pointer to the original NetworkBuffer from a pointer to a UDP

- * payload buffer.

- */

-NetworkBufferDescriptor_t *pxUDPPayloadBuffer_to_NetworkBuffer( void *pvBuffer );

-

-#if( ipconfigZERO_COPY_TX_DRIVER != 0 )

-	/*

-	 * For the case where the network driver passes a buffer directly to a DMA

-	 * descriptor, this function can be used to translate a 'network buffer' to

-	 * a 'network buffer descriptor'.

-	 */

-	NetworkBufferDescriptor_t *pxPacketBuffer_to_NetworkBuffer( const void *pvBuffer );

-#endif

-

-/*

- * Internal: Sets a new state for a TCP socket and performs the necessary

- * actions like calling a OnConnected handler to notify the socket owner.

- */

-#if( ipconfigUSE_TCP == 1 )

-	void vTCPStateChange( FreeRTOS_Socket_t *pxSocket, enum eTCP_STATE eTCPState );

-#endif /* ipconfigUSE_TCP */

-

-/*_RB_ Should this be part of the public API? */

-void FreeRTOS_netstat( void );

-

-/* Returns pdTRUE is this function is called from the IP-task */

-BaseType_t xIsCallingFromIPTask( void );

-

-#if( ipconfigSUPPORT_SELECT_FUNCTION == 1 )

-

-typedef struct xSOCKET_SET

-{

-	EventGroupHandle_t xSelectGroup;

-	BaseType_t bApiCalled;	/* True if the API was calling  the private vSocketSelect */

-	FreeRTOS_Socket_t *pxSocket;

-} SocketSelect_t;

-

-extern void vSocketSelect( SocketSelect_t *pxSocketSelect );

-

-#endif /* ipconfigSUPPORT_SELECT_FUNCTION */

-

-void vIPSetDHCPTimerEnableState( BaseType_t xEnableState );

-void vIPReloadDHCPTimer( uint32_t ulLeaseTime );

-#if( ipconfigDNS_USE_CALLBACKS != 0 )

-	void vIPReloadDNSTimer( uint32_t ulCheckTime );

-	void vIPSetDnsTimerEnableState( BaseType_t xEnableState );

-#endif

-

-/* Send the network-up event and start the ARP timer. */

-void vIPNetworkUpCalls( void );

-

-#ifdef __cplusplus

-} /* extern "C" */

-#endif

-

-#endif /* FREERTOS_IP_PRIVATE_H */

-

-

-

-

-

-

-

-

-

-

-

-

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_IP_PRIVATE_H
+#define FREERTOS_IP_PRIVATE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Application level configuration options. */
+#include "FreeRTOSIPConfig.h"
+#include "FreeRTOSIPConfigDefaults.h"
+#include "FreeRTOS_Sockets.h"
+#include "IPTraceMacroDefaults.h"
+#include "FreeRTOS_Stream_Buffer.h"
+#if( ipconfigUSE_TCP == 1 )
+	#include "FreeRTOS_TCP_WIN.h"
+	#include "FreeRTOS_TCP_IP.h"
+#endif
+
+#include "event_groups.h"
+
+typedef struct xNetworkAddressingParameters
+{
+	uint32_t ulDefaultIPAddress;
+	uint32_t ulNetMask;
+	uint32_t ulGatewayAddress;
+	uint32_t ulDNSServerAddress;
+	uint32_t ulBroadcastAddress;
+} NetworkAddressingParameters_t;
+
+extern BaseType_t xTCPWindowLoggingLevel;
+
+/*-----------------------------------------------------------*/
+/* Protocol headers.                                         */
+/*-----------------------------------------------------------*/
+
+#include "pack_struct_start.h"
+struct xETH_HEADER
+{
+	MACAddress_t xDestinationAddress; /*  0 + 6 = 6  */
+	MACAddress_t xSourceAddress;      /*  6 + 6 = 12 */
+	uint16_t usFrameType;              /* 12 + 2 = 14 */
+}
+#include "pack_struct_end.h"
+typedef struct xETH_HEADER EthernetHeader_t;
+
+#include "pack_struct_start.h"
+struct xARP_HEADER
+{
+	uint16_t usHardwareType;				/*  0 +  2 =  2 */
+	uint16_t usProtocolType;				/*  2 +  2 =  4 */
+	uint8_t ucHardwareAddressLength;		/*  4 +  1 =  5 */
+	uint8_t ucProtocolAddressLength;		/*  5 +  1 =  6 */
+	uint16_t usOperation;					/*  6 +  2 =  8 */
+	MACAddress_t xSenderHardwareAddress;	/*  8 +  6 = 14 */
+	uint8_t ucSenderProtocolAddress[ 4 ];	/* 14 +  4 = 18  */
+	MACAddress_t xTargetHardwareAddress;	/* 18 +  6 = 24  */
+	uint32_t ulTargetProtocolAddress;		/* 24 +  4 = 28  */
+}
+#include "pack_struct_end.h"
+typedef struct xARP_HEADER ARPHeader_t;
+
+#include "pack_struct_start.h"
+struct xIP_HEADER
+{
+	uint8_t ucVersionHeaderLength;        /*  0 + 1 =  1 */
+	uint8_t ucDifferentiatedServicesCode; /*  1 + 1 =  2 */
+	uint16_t usLength;                    /*  2 + 2 =  4 */
+	uint16_t usIdentification;            /*  4 + 2 =  6 */
+	uint16_t usFragmentOffset;            /*  6 + 2 =  8 */
+	uint8_t ucTimeToLive;                 /*  8 + 1 =  9 */
+	uint8_t ucProtocol;                   /*  9 + 1 = 10 */
+	uint16_t usHeaderChecksum;            /* 10 + 2 = 12 */
+	uint32_t ulSourceIPAddress;           /* 12 + 4 = 16 */
+	uint32_t ulDestinationIPAddress;      /* 16 + 4 = 20 */
+}
+#include "pack_struct_end.h"
+typedef struct xIP_HEADER IPHeader_t;
+
+#include "pack_struct_start.h"
+struct xIGMP_HEADER
+{
+	uint8_t ucVersionType;     /* 0 + 1 = 1 */
+	uint8_t ucMaxResponseTime; /* 1 + 1 = 2 */
+	uint16_t usChecksum;       /* 2 + 2 = 4 */
+	uint32_t usGroupAddress;   /* 4 + 4 = 8 */
+}
+#include "pack_struct_end.h"
+typedef struct xIGMP_HEADER IGMPHeader_t;
+
+#include "pack_struct_start.h"
+struct xICMP_HEADER
+{
+	uint8_t ucTypeOfMessage;   /* 0 + 1 = 1 */
+	uint8_t ucTypeOfService;   /* 1 + 1 = 2 */
+	uint16_t usChecksum;       /* 2 + 2 = 4 */
+	uint16_t usIdentifier;     /* 4 + 2 = 6 */
+	uint16_t usSequenceNumber; /* 6 + 2 = 8 */
+}
+#include "pack_struct_end.h"
+typedef struct xICMP_HEADER ICMPHeader_t;
+
+#include "pack_struct_start.h"
+struct xUDP_HEADER
+{
+	uint16_t usSourcePort;      /* 0 + 2 = 2 */
+	uint16_t usDestinationPort; /* 2 + 2 = 4 */
+	uint16_t usLength;          /* 4 + 2 = 6 */
+	uint16_t usChecksum;        /* 6 + 2 = 8 */
+}
+#include "pack_struct_end.h"
+typedef struct xUDP_HEADER UDPHeader_t;
+
+#include "pack_struct_start.h"
+struct xTCP_HEADER
+{
+	uint16_t usSourcePort;		/* +  2 =  2 */
+	uint16_t usDestinationPort;	/* +  2 =  4 */
+	uint32_t ulSequenceNumber;	/* +  4 =  8 */
+	uint32_t ulAckNr;   	 	/* +  4 = 12 */
+	uint8_t  ucTCPOffset;		/* +  1 = 13 */
+	uint8_t  ucTCPFlags;		/* +  1 = 14 */
+	uint16_t usWindow;			/* +  2 = 15 */
+	uint16_t usChecksum;		/* +  2 = 18 */
+	uint16_t usUrgent;			/* +  2 = 20 */
+#if ipconfigUSE_TCP == 1
+	/* the option data is not a part of the TCP header */
+	uint8_t  ucOptdata[ipSIZE_TCP_OPTIONS];		/* + 12 = 32 */
+#endif
+}
+#include "pack_struct_end.h"
+typedef struct xTCP_HEADER TCPHeader_t;
+
+#include "pack_struct_start.h"
+struct xPSEUDO_HEADER
+{
+	uint32_t ulSourceAddress;
+	uint32_t ulDestinationAddress;
+	uint8_t ucZeros;
+	uint8_t ucProtocol;
+	uint16_t usUDPLength;
+}
+#include "pack_struct_end.h"
+typedef struct xPSEUDO_HEADER PseudoHeader_t;
+
+/*-----------------------------------------------------------*/
+/* Nested protocol packets.                                  */
+/*-----------------------------------------------------------*/
+
+#include "pack_struct_start.h"
+struct xARP_PACKET
+{
+	EthernetHeader_t xEthernetHeader;	/*  0 + 14 = 14 */
+	ARPHeader_t xARPHeader;			/* 14 + 28 = 42 */
+}
+#include "pack_struct_end.h"
+typedef struct xARP_PACKET ARPPacket_t;
+
+#include "pack_struct_start.h"
+struct xIP_PACKET
+{
+	EthernetHeader_t xEthernetHeader;
+	IPHeader_t xIPHeader;
+}
+#include "pack_struct_end.h"
+typedef struct xIP_PACKET IPPacket_t;
+
+#include "pack_struct_start.h"
+struct xICMP_PACKET
+{
+	EthernetHeader_t xEthernetHeader;
+	IPHeader_t xIPHeader;
+	ICMPHeader_t xICMPHeader;
+}
+#include "pack_struct_end.h"
+typedef struct xICMP_PACKET ICMPPacket_t;
+
+#include "pack_struct_start.h"
+struct xUDP_PACKET
+{
+	EthernetHeader_t xEthernetHeader; /*  0 + 14 = 14 */
+	IPHeader_t xIPHeader;             /* 14 + 20 = 34 */
+	UDPHeader_t xUDPHeader;           /* 34 +  8 = 42 */
+}
+#include "pack_struct_end.h"
+typedef struct xUDP_PACKET UDPPacket_t;
+
+#include "pack_struct_start.h"
+struct xTCP_PACKET
+{
+	EthernetHeader_t xEthernetHeader; /*  0 + 14 = 14 */
+	IPHeader_t xIPHeader;             /* 14 + 20 = 34 */
+	TCPHeader_t xTCPHeader;           /* 34 + 32 = 66 */
+}
+#include "pack_struct_end.h"
+typedef struct xTCP_PACKET TCPPacket_t;
+
+typedef union XPROT_PACKET
+{
+	ARPPacket_t xARPPacket;
+	TCPPacket_t xTCPPacket;
+	UDPPacket_t xUDPPacket;
+	ICMPPacket_t xICMPPacket;
+} ProtocolPacket_t;
+
+
+/* The maximum UDP payload length. */
+#define ipMAX_UDP_PAYLOAD_LENGTH ( ( ipconfigNETWORK_MTU - ipSIZE_OF_IPv4_HEADER ) - ipSIZE_OF_UDP_HEADER )
+
+typedef enum
+{
+	eReleaseBuffer = 0,		/* Processing the frame did not find anything to do - just release the buffer. */
+	eProcessBuffer,			/* An Ethernet frame has a valid address - continue process its contents. */
+	eReturnEthernetFrame,	/* The Ethernet frame contains an ARP or ICMP packet that can be returned to its source. */
+	eFrameConsumed			/* Processing the Ethernet packet contents resulted in the payload being sent to the stack. */
+} eFrameProcessingResult_t;
+
+typedef enum
+{
+	eNoEvent = -1,
+	eNetworkDownEvent,		/* 0: The network interface has been lost and/or needs [re]connecting. */
+	eNetworkRxEvent,		/* 1: The network interface has queued a received Ethernet frame. */
+	eNetworkTxEvent,		/* 2: Let the IP-task send a network packet. */
+	eARPTimerEvent,			/* 3: The ARP timer expired. */
+	eStackTxEvent,			/* 4: The software stack has queued a packet to transmit. */
+	eDHCPEvent,				/* 5: Process the DHCP state machine. */
+	eTCPTimerEvent,			/* 6: See if any TCP socket needs attention. */
+	eTCPAcceptEvent,		/* 7: Client API FreeRTOS_accept() waiting for client connections. */
+	eTCPNetStat,			/* 8: IP-task is asked to produce a netstat listing. */
+	eSocketBindEvent,		/* 9: Send a message to the IP-task to bind a socket to a port. */
+	eSocketCloseEvent,		/*10: Send a message to the IP-task to close a socket. */
+	eSocketSelectEvent,		/*11: Send a message to the IP-task for select(). */
+	eSocketSignalEvent,		/*12: A socket must be signalled. */
+} eIPEvent_t;
+
+typedef struct IP_TASK_COMMANDS
+{
+	eIPEvent_t eEventType;
+	void *pvData;
+} IPStackEvent_t;
+
+#define ipBROADCAST_IP_ADDRESS 0xffffffffUL
+
+/* Offset into the Ethernet frame that is used to temporarily store information
+on the fragmentation status of the packet being sent.  The value is important,
+as it is past the location into which the destination address will get placed. */
+#define ipFRAGMENTATION_PARAMETERS_OFFSET		( 6 )
+#define ipSOCKET_OPTIONS_OFFSET					( 6 )
+
+/* Only used when outgoing fragmentation is being used (FreeRTOSIPConfig.h
+setting. */
+#define ipGET_UDP_PAYLOAD_OFFSET_FOR_FRAGMENT( usFragmentOffset ) ( ( ( usFragmentOffset ) == 0 ) ? ipUDP_PAYLOAD_OFFSET_IPv4 : ipIP_PAYLOAD_OFFSET )
+
+/* The offset into a UDP packet at which the UDP data (payload) starts. */
+#define ipUDP_PAYLOAD_OFFSET_IPv4	( sizeof( UDPPacket_t ) )
+
+/* The offset into an IP packet into which the IP data (payload) starts. */
+#define ipIP_PAYLOAD_OFFSET		( sizeof( IPPacket_t ) )
+
+#include "pack_struct_start.h"
+struct xUDP_IP_FRAGMENT_PARAMETERS
+{
+	uint8_t ucSocketOptions;
+	uint8_t ucPadFor16BitAlignment;
+	uint16_t usFragmentedPacketOffset;
+	uint16_t usFragmentLength;
+	uint16_t usPayloadChecksum;
+}
+#include "pack_struct_end.h"
+typedef struct xUDP_IP_FRAGMENT_PARAMETERS IPFragmentParameters_t;
+
+#if( ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN )
+
+	/* Ethernet frame types. */
+	#define ipARP_FRAME_TYPE	( 0x0608U )
+	#define ipIPv4_FRAME_TYPE	( 0x0008U )
+
+	/* ARP related definitions. */
+	#define ipARP_PROTOCOL_TYPE				( 0x0008U )
+	#define ipARP_HARDWARE_TYPE_ETHERNET	( 0x0100U )
+	#define ipARP_REQUEST					( 0x0100U )
+	#define ipARP_REPLY						( 0x0200U )
+
+#else
+
+	/* Ethernet frame types. */
+	#define ipARP_FRAME_TYPE	( 0x0806U )
+	#define ipIPv4_FRAME_TYPE	( 0x0800U )
+
+	/* ARP related definitions. */
+	#define ipARP_PROTOCOL_TYPE ( 0x0800U )
+	#define ipARP_HARDWARE_TYPE_ETHERNET ( 0x0001U )
+	#define ipARP_REQUEST ( 0x0001 )
+	#define ipARP_REPLY ( 0x0002 )
+
+#endif /* ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN */
+
+
+/* For convenience, a MAC address of all zeros and another of all 0xffs are
+defined const for quick reference. */
+extern const MACAddress_t xBroadcastMACAddress; /* all 0xff's */
+extern uint16_t usPacketIdentifier;
+
+/* Define a default UDP packet header (declared in FreeRTOS_UDP_IP.c) */
+typedef union xUDPPacketHeader
+{
+	uint8_t ucBytes[24];
+	uint32_t ulWords[6];
+} UDPPacketHeader_t;
+extern UDPPacketHeader_t xDefaultPartUDPPacketHeader;
+
+/* Structure that stores the netmask, gateway address and DNS server addresses. */
+extern NetworkAddressingParameters_t xNetworkAddressing;
+
+/* Structure that stores the defaults for netmask, gateway address and DNS.
+These values will be copied to 'xNetworkAddressing' in case DHCP is not used,
+and also in case DHCP does not lead to a confirmed request. */
+extern NetworkAddressingParameters_t xDefaultAddressing;
+
+/* True when BufferAllocation_1.c was included, false for BufferAllocation_2.c */
+extern const BaseType_t xBufferAllocFixedSize;
+
+/* Defined in FreeRTOS_Sockets.c */
+#if ( ipconfigUSE_TCP == 1 )
+	extern List_t xBoundTCPSocketsList;
+#endif
+
+/* The local IP address is accessed from within xDefaultPartUDPPacketHeader,
+rather than duplicated in its own variable. */
+#define ipLOCAL_IP_ADDRESS_POINTER ( ( uint32_t * ) &( xDefaultPartUDPPacketHeader.ulWords[ 20u / sizeof(uint32_t) ] ) )
+
+/* The local MAC address is accessed from within xDefaultPartUDPPacketHeader,
+rather than duplicated in its own variable. */
+#define ipLOCAL_MAC_ADDRESS ( &xDefaultPartUDPPacketHeader.ucBytes[0] )
+
+/* ICMP packets are sent using the same function as UDP packets.  The port
+number is used to distinguish between the two, as 0 is an invalid UDP port. */
+#define ipPACKET_CONTAINS_ICMP_DATA					( 0 )
+
+/* For now, the lower 8 bits in 'xEventBits' will be reserved for the above
+socket events. */
+#define SOCKET_EVENT_BIT_COUNT   8
+
+#define vSetField16( pxBase, xType, xField, usValue ) \
+{ \
+	( ( uint8_t* )( pxBase ) ) [ offsetof( xType, xField ) + 0 ] = ( uint8_t ) ( ( usValue ) >> 8 ); \
+	( ( uint8_t* )( pxBase ) ) [ offsetof( xType, xField ) + 1 ] = ( uint8_t ) ( ( usValue ) & 0xff ); \
+}
+
+#define vSetField32( pxBase, xType, xField, ulValue ) \
+{ \
+	( (uint8_t*)( pxBase ) ) [ offsetof( xType, xField ) + 0 ] = ( uint8_t )   ( ( ulValue ) >> 24 ); \
+	( (uint8_t*)( pxBase ) ) [ offsetof( xType, xField ) + 1 ] = ( uint8_t ) ( ( ( ulValue ) >> 16 ) & 0xff ); \
+	( (uint8_t*)( pxBase ) ) [ offsetof( xType, xField ) + 2 ] = ( uint8_t ) ( ( ( ulValue ) >> 8 ) & 0xff ); \
+	( (uint8_t*)( pxBase ) ) [ offsetof( xType, xField ) + 3 ] = ( uint8_t )   ( ( ulValue ) & 0xff ); \
+}
+
+#define vFlip_16( left, right ) \
+	do { \
+		uint16_t tmp = (left); \
+		(left) = (right); \
+		(right) = tmp; \
+	} while (0)
+
+#define vFlip_32( left, right ) \
+	do { \
+		uint32_t tmp = (left); \
+		(left) = (right); \
+		(right) = tmp; \
+	} while (0)
+
+#ifndef ARRAY_SIZE
+	#define ARRAY_SIZE(x)	(BaseType_t)(sizeof(x)/sizeof(x)[0])
+#endif
+
+/*
+ * A version of FreeRTOS_GetReleaseNetworkBuffer() that can be called from an
+ * interrupt.  If a non zero value is returned, then the calling ISR should
+ * perform a context switch before exiting the ISR.
+ */
+BaseType_t FreeRTOS_ReleaseFreeNetworkBufferFromISR( void );
+
+/*
+ * Create a message that contains a command to initialise the network interface.
+ * This is used during initialisation, and at any time the network interface
+ * goes down thereafter.  The network interface hardware driver is responsible
+ * for sending the message that contains the network interface down command/
+ * event.
+ *
+ * Only use the FreeRTOS_NetworkDownFromISR() version if the function is to be
+ * called from an interrupt service routine.  If FreeRTOS_NetworkDownFromISR()
+ * returns a non-zero value then a context switch should be performed ebfore
+ * the interrupt is exited.
+ */
+void FreeRTOS_NetworkDown( void );
+BaseType_t FreeRTOS_NetworkDownFromISR( void );
+
+/*
+ * Processes incoming ARP packets.
+ */
+eFrameProcessingResult_t eARPProcessPacket( ARPPacket_t * const pxARPFrame );
+
+/*
+ * Inspect an Ethernet frame to see if it contains data that the stack needs to
+ * process.  eProcessBuffer is returned if the frame should be processed by the
+ * stack.  eReleaseBuffer is returned if the frame should be discarded.
+ */
+eFrameProcessingResult_t eConsiderFrameForProcessing( const uint8_t * const pucEthernetBuffer );
+
+/*
+ * Return the checksum generated over xDataLengthBytes from pucNextData.
+ */
+uint16_t usGenerateChecksum( uint32_t ulSum, const uint8_t * pucNextData, size_t uxDataLengthBytes );
+
+/* Socket related private functions. */
+
+/* 
+ * The caller must ensure that pxNetworkBuffer->xDataLength is the UDP packet 
+ * payload size (excluding packet headers) and that the packet in pucEthernetBuffer 
+ * is at least the size of UDPPacket_t. 
+ */
+BaseType_t xProcessReceivedUDPPacket( NetworkBufferDescriptor_t *pxNetworkBuffer, uint16_t usPort );
+
+/*
+ * Initialize the socket list data structures for TCP and UDP. 
+ */
+BaseType_t vNetworkSocketsInit( void );
+
+/*
+ * Returns pdTRUE if the IP task has been created and is initialised.  Otherwise
+ * returns pdFALSE.
+ */
+BaseType_t xIPIsNetworkTaskReady( void );
+
+#if( ipconfigSOCKET_HAS_USER_WAKE_CALLBACK == 1 )
+	struct xSOCKET;
+	typedef void (*SocketWakeupCallback_t)( struct xSOCKET * pxSocket );
+#endif
+
+#if( ipconfigUSE_TCP == 1 )
+
+	/*
+	 * Actually a user thing, but because xBoundTCPSocketsList, let it do by the
+	 * IP-task
+	 */
+	void vTCPNetStat( void );
+
+	/*
+	 * At least one socket needs to check for timeouts
+	 */
+	TickType_t xTCPTimerCheck( BaseType_t xWillSleep );
+
+	/* Every TCP socket has a buffer space just big enough to store
+	the last TCP header received.
+	As a reference of this field may be passed to DMA, force the
+	alignment to 8 bytes. */
+	typedef union
+	{
+		struct
+		{
+			/* Increase the alignment of this union by adding a 64-bit variable. */
+			uint64_t ullAlignmentWord;
+		} a;
+		struct
+		{
+			/* The next field only serves to give 'ucLastPacket' a correct
+			alignment of 8 + 2.  See comments in FreeRTOS_IP.h */
+			uint8_t ucFillPacket[ ipconfigPACKET_FILLER_SIZE ];
+			uint8_t ucLastPacket[ sizeof( TCPPacket_t ) ];
+		} u;
+	} LastTCPPacket_t;
+
+	/*
+	 * Note that the values of all short and long integers in these structs
+	 * are being stored in the native-endian way
+	 * Translation should take place when accessing any structure which defines
+	 * network packets, such as IPHeader_t and TCPHeader_t
+	 */
+	typedef struct TCPSOCKET
+	{
+		uint32_t ulRemoteIP;		/* IP address of remote machine */
+		uint16_t usRemotePort;		/* Port on remote machine */
+		struct {
+			/* Most compilers do like bit-flags */
+			uint32_t
+				bMssChange : 1,		/* This socket has seen a change in MSS */
+				bPassAccept : 1,	/* when true, this socket may be returned in a call to accept() */
+				bPassQueued : 1,	/* when true, this socket is an orphan until it gets connected
+									 * Why an orphan? Because it may not be returned in a accept() call until it
+									 * gets the state eESTABLISHED */
+				bReuseSocket : 1,	/* When a listening socket gets a connection, do not create a new instance but keep on using it */
+				bCloseAfterSend : 1,/* As soon as the last byte has been transmitted, finalise the connection
+									 * Useful in e.g. FTP connections, where the last data bytes are sent along with the FIN flag */
+				bUserShutdown : 1,	/* User requesting a graceful shutdown */
+				bCloseRequested : 1,/* Request to finalise the connection */
+				bLowWater : 1,		/* high-water level has been reached. Cleared as soon as 'rx-count < lo-water' */
+				bWinChange : 1,		/* The value of bLowWater has changed, must send a window update */
+				bSendKeepAlive : 1,	/* When this flag is true, a TCP keep-alive message must be send */
+				bWaitKeepAlive : 1,	/* When this flag is true, a TCP keep-alive reply is expected */
+				bConnPrepared : 1,	/* Connecting socket: Message has been prepared */
+				#if( ipconfigSUPPORT_SELECT_FUNCTION == 1 )
+					bConnPassed : 1,	/* Connecting socket: Socket has been passed in a successful select()  */
+				#endif /* ipconfigSUPPORT_SELECT_FUNCTION */
+				bFinAccepted : 1,	/* This socket has received (or sent) a FIN and accepted it */
+				bFinSent : 1,		/* We've sent out a FIN */
+				bFinRecv : 1,		/* We've received a FIN from our peer */
+				bFinAcked : 1,		/* Our FIN packet has been acked */
+				bFinLast : 1,		/* The last ACK (after FIN and FIN+ACK) has been sent or will be sent by the peer */
+				bRxStopped : 1,		/* Application asked to temporarily stop reception */
+				bMallocError : 1,	/* There was an error allocating a stream */
+				bWinScaling : 1;	/* A TCP-Window Scaling option was offered and accepted in the SYN phase. */
+		} bits;
+		uint32_t ulHighestRxAllowed;
+								/* The highest sequence number that we can receive at any moment */
+		uint16_t usTimeout;		/* Time (in ticks) after which this socket needs attention */
+		uint16_t usCurMSS;		/* Current Maximum Segment Size */
+		uint16_t usInitMSS;		/* Initial maximum segment Size */
+		uint16_t usChildCount;	/* In case of a listening socket: number of connections on this port number */
+		uint16_t usBacklog;		/* In case of a listening socket: maximum number of concurrent connections on this port number */
+		uint8_t ucRepCount;		/* Send repeat count, for retransmissions
+								 * This counter is separate from the xmitCount in the
+								 * TCP win segments */
+		uint8_t ucTCPState;		/* TCP state: see eTCP_STATE */
+		struct xSOCKET *pxPeerSocket;	/* for server socket: child, for child socket: parent */
+		#if( ipconfigTCP_KEEP_ALIVE == 1 )
+			uint8_t ucKeepRepCount;
+			TickType_t xLastAliveTime;
+		#endif /* ipconfigTCP_KEEP_ALIVE */
+		#if( ipconfigTCP_HANG_PROTECTION == 1 )
+			TickType_t xLastActTime;
+		#endif /* ipconfigTCP_HANG_PROTECTION */
+		size_t uxLittleSpace;
+		size_t uxEnoughSpace;
+		size_t uxRxStreamSize;
+		size_t uxTxStreamSize;
+		StreamBuffer_t *rxStream;
+		StreamBuffer_t *txStream;
+		#if( ipconfigUSE_TCP_WIN == 1 )
+			NetworkBufferDescriptor_t *pxAckMessage;
+		#endif /* ipconfigUSE_TCP_WIN */
+		/* Buffer space to store the last TCP header received. */
+		LastTCPPacket_t xPacket;
+		uint8_t tcpflags;		/* TCP flags */
+		#if( ipconfigUSE_TCP_WIN != 0 )
+			uint8_t ucMyWinScaleFactor;
+			uint8_t ucPeerWinScaleFactor;
+		#endif
+		#if( ipconfigUSE_CALLBACKS == 1 )
+			FOnTCPReceive_t pxHandleReceive;	/*
+										 		 * In case of a TCP socket:
+										 		 * typedef void (* FOnTCPReceive_t) (Socket_t xSocket, void *pData, size_t xLength );
+										 		 */
+			FOnTCPSent_t pxHandleSent;
+			FOnConnected_t pxHandleConnected;	/* Actually type: typedef void (* FOnConnected_t) (Socket_t xSocket, BaseType_t ulConnected ); */
+		#endif /* ipconfigUSE_CALLBACKS */
+		uint32_t ulWindowSize;		/* Current Window size advertised by peer */
+		size_t uxRxWinSize;	/* Fixed value: size of the TCP reception window */
+		size_t uxTxWinSize;	/* Fixed value: size of the TCP transmit window */
+
+		TCPWindow_t xTCPWindow;
+	} IPTCPSocket_t;
+
+#endif /* ipconfigUSE_TCP */
+
+typedef struct UDPSOCKET
+{
+	List_t xWaitingPacketsList;	/* Incoming packets */
+	#if( ipconfigUDP_MAX_RX_PACKETS > 0 )
+		UBaseType_t uxMaxPackets; /* Protection: limits the number of packets buffered per socket */
+	#endif /* ipconfigUDP_MAX_RX_PACKETS */
+	#if( ipconfigUSE_CALLBACKS == 1 )
+		FOnUDPReceive_t pxHandleReceive;	/*
+											 * In case of a UDP socket:
+											 * typedef void (* FOnUDPReceive_t) (Socket_t xSocket, void *pData, size_t xLength, struct freertos_sockaddr *pxAddr );
+											 */
+		FOnUDPSent_t pxHandleSent;
+	#endif /* ipconfigUSE_CALLBACKS */
+} IPUDPSocket_t;
+
+typedef enum eSOCKET_EVENT {
+	eSOCKET_RECEIVE = 0x0001,
+	eSOCKET_SEND    = 0x0002,
+	eSOCKET_ACCEPT  = 0x0004,
+	eSOCKET_CONNECT = 0x0008,
+	eSOCKET_BOUND   = 0x0010,
+	eSOCKET_CLOSED	= 0x0020,
+	eSOCKET_INTR	= 0x0040,
+	eSOCKET_ALL		= 0x007F,
+} eSocketEvent_t;
+
+typedef struct xSOCKET
+{
+	EventBits_t xEventBits;
+	EventGroupHandle_t xEventGroup;
+
+	ListItem_t xBoundSocketListItem; /* Used to reference the socket from a bound sockets list. */
+	TickType_t xReceiveBlockTime; /* if recv[to] is called while no data is available, wait this amount of time. Unit in clock-ticks */
+	TickType_t xSendBlockTime; /* if send[to] is called while there is not enough space to send, wait this amount of time. Unit in clock-ticks */
+
+	uint16_t usLocalPort;		/* Local port on this machine */
+	uint8_t ucSocketOptions;
+	uint8_t ucProtocol; /* choice of FREERTOS_IPPROTO_UDP/TCP */
+	#if( ipconfigSOCKET_HAS_USER_SEMAPHORE == 1 )
+		SemaphoreHandle_t pxUserSemaphore;
+	#endif /* ipconfigSOCKET_HAS_USER_SEMAPHORE */
+	#if( ipconfigSOCKET_HAS_USER_WAKE_CALLBACK == 1 )
+		SocketWakeupCallback_t pxUserWakeCallback;
+	#endif /* ipconfigSOCKET_HAS_USER_WAKE_CALLBACK */
+
+	#if( ipconfigSUPPORT_SELECT_FUNCTION == 1 )
+		struct xSOCKET_SET *pxSocketSet;
+		/* User may indicate which bits are interesting for this socket. */
+		EventBits_t xSelectBits;
+		/* These bits indicate the events which have actually occurred.
+		They are maintained by the IP-task */
+		EventBits_t xSocketBits;
+	#endif /* ipconfigSUPPORT_SELECT_FUNCTION */
+	/* TCP/UDP specific fields: */
+	/* Before accessing any member of this structure, it should be confirmed */
+	/* that the protocol corresponds with the type of structure */
+
+	union
+	{
+		IPUDPSocket_t xUDP;
+		#if( ipconfigUSE_TCP == 1 )
+			IPTCPSocket_t xTCP;
+			/* Make sure that xTCP is 8-bytes aligned by
+			declaring a 64-bit variable in the same union */
+			uint64_t ullTCPAlignment;
+		#endif /* ipconfigUSE_TCP */
+	} u;
+} FreeRTOS_Socket_t;
+
+#if( ipconfigUSE_TCP == 1 )
+	/*
+	 * Lookup a TCP socket, using a multiple matching: both port numbers and
+	 * return IP address.
+	 */
+	FreeRTOS_Socket_t *pxTCPSocketLookup( uint32_t ulLocalIP, UBaseType_t uxLocalPort, uint32_t ulRemoteIP, UBaseType_t uxRemotePort );
+
+#endif /* ipconfigUSE_TCP */
+
+/*
+ * Look up a local socket by finding a match with the local port.
+ */
+FreeRTOS_Socket_t *pxUDPSocketLookup( UBaseType_t uxLocalPort );
+
+/*
+ * Called when the application has generated a UDP packet to send.
+ */
+void vProcessGeneratedUDPPacket( NetworkBufferDescriptor_t * const pxNetworkBuffer );
+
+/*
+ * Calculate the upper-layer checksum
+ * Works both for UDP, ICMP and TCP packages
+ * bOut = true: checksum will be set in outgoing packets
+ * bOut = false: checksum will be calculated for incoming packets
+ *     returning 0xffff means: checksum was correct
+ */
+uint16_t usGenerateProtocolChecksum( const uint8_t * const pucEthernetBuffer, size_t uxBufferLength, BaseType_t xOutgoingPacket );
+
+/*
+ * An Ethernet frame has been updated (maybe it was an ARP request or a PING
+ * request?) and is to be sent back to its source.
+ */
+void vReturnEthernetFrame( NetworkBufferDescriptor_t * pxNetworkBuffer, BaseType_t xReleaseAfterSend );
+
+/*
+ * The internal version of bind()
+ * If 'ulInternal' is true, it is called by the driver
+ * The TCP driver needs to bind a socket at the moment a listening socket
+ * creates a new connected socket
+ */
+BaseType_t vSocketBind( FreeRTOS_Socket_t *pxSocket, struct freertos_sockaddr * pxAddress, size_t uxAddressLength, BaseType_t xInternal );
+
+/*
+ * Internal function to add streaming data to a TCP socket. If ulIn == true,
+ * data will be added to the rxStream, otherwise to the tXStream.  Normally data
+ * will be written with ulOffset == 0, meaning: at the end of the FIFO.  When
+ * packet come in out-of-order, an offset will be used to put it in front and
+ * the head will not change yet.
+ */
+int32_t lTCPAddRxdata(FreeRTOS_Socket_t *pxSocket, size_t uxOffset, const uint8_t *pcData, uint32_t ulByteCount);
+
+/*
+ * Currently called for any important event.
+ */
+void vSocketWakeUpUser( FreeRTOS_Socket_t *pxSocket );
+
+/*
+ * Some helping function, their meaning should be clear
+ */
+static portINLINE uint32_t ulChar2u32 (const uint8_t *apChr);
+static portINLINE uint32_t ulChar2u32 (const uint8_t *apChr)
+{
+	return  ( ( ( uint32_t )apChr[0] ) << 24) |
+			( ( ( uint32_t )apChr[1] ) << 16) |
+			( ( ( uint32_t )apChr[2] ) << 8) |
+			( ( ( uint32_t )apChr[3] ) );
+}
+
+static portINLINE uint16_t usChar2u16 (const uint8_t *apChr);
+static portINLINE uint16_t usChar2u16 (const uint8_t *apChr)
+{
+	return ( uint16_t )
+			( ( ( ( uint32_t )apChr[0] ) << 8) |
+			  ( ( ( uint32_t )apChr[1] ) ) );
+}
+
+/* Check a single socket for retransmissions and timeouts */
+BaseType_t xTCPSocketCheck( FreeRTOS_Socket_t *pxSocket );
+
+BaseType_t xTCPCheckNewClient( FreeRTOS_Socket_t *pxSocket );
+
+/* Defined in FreeRTOS_Sockets.c
+ * Close a socket
+ */
+void *vSocketClose( FreeRTOS_Socket_t *pxSocket );
+
+/*
+ * Send the event eEvent to the IP task event queue, using a block time of
+ * zero.  Return pdPASS if the message was sent successfully, otherwise return
+ * pdFALSE.
+*/
+BaseType_t xSendEventToIPTask( eIPEvent_t eEvent );
+
+/*
+ * The same as above, but a struct as a parameter, containing:
+ * 		eIPEvent_t eEventType;
+ *		void *pvData;
+ */
+BaseType_t xSendEventStructToIPTask( const IPStackEvent_t *pxEvent, TickType_t xTimeout );
+
+/*
+ * Returns a pointer to the original NetworkBuffer from a pointer to a UDP
+ * payload buffer.
+ */
+NetworkBufferDescriptor_t *pxUDPPayloadBuffer_to_NetworkBuffer( void *pvBuffer );
+
+#if( ipconfigZERO_COPY_TX_DRIVER != 0 )
+	/*
+	 * For the case where the network driver passes a buffer directly to a DMA
+	 * descriptor, this function can be used to translate a 'network buffer' to
+	 * a 'network buffer descriptor'.
+	 */
+	NetworkBufferDescriptor_t *pxPacketBuffer_to_NetworkBuffer( const void *pvBuffer );
+#endif
+
+/*
+ * Internal: Sets a new state for a TCP socket and performs the necessary
+ * actions like calling a OnConnected handler to notify the socket owner.
+ */
+#if( ipconfigUSE_TCP == 1 )
+	void vTCPStateChange( FreeRTOS_Socket_t *pxSocket, enum eTCP_STATE eTCPState );
+#endif /* ipconfigUSE_TCP */
+
+/*_RB_ Should this be part of the public API? */
+void FreeRTOS_netstat( void );
+
+/* Returns pdTRUE is this function is called from the IP-task */
+BaseType_t xIsCallingFromIPTask( void );
+
+#if( ipconfigSUPPORT_SELECT_FUNCTION == 1 )
+
+typedef struct xSOCKET_SET
+{
+	EventGroupHandle_t xSelectGroup;
+	BaseType_t bApiCalled;	/* True if the API was calling  the private vSocketSelect */
+	FreeRTOS_Socket_t *pxSocket;
+} SocketSelect_t;
+
+extern void vSocketSelect( SocketSelect_t *pxSocketSelect );
+
+#endif /* ipconfigSUPPORT_SELECT_FUNCTION */
+
+void vIPSetDHCPTimerEnableState( BaseType_t xEnableState );
+void vIPReloadDHCPTimer( uint32_t ulLeaseTime );
+#if( ipconfigDNS_USE_CALLBACKS != 0 )
+	void vIPReloadDNSTimer( uint32_t ulCheckTime );
+	void vIPSetDnsTimerEnableState( BaseType_t xEnableState );
+#endif
+
+/* Send the network-up event and start the ARP timer. */
+void vIPNetworkUpCalls( void );
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* FREERTOS_IP_PRIVATE_H */
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Sockets.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Sockets.h
index 88d3bba65..926ccebbd 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Sockets.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Sockets.h
@@ -1,402 +1,402 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef FREERTOS_SOCKETS_H

-#define FREERTOS_SOCKETS_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* Standard includes. */

-#include <string.h>

-

-/* Application level configuration options. */

-#include "FreeRTOSIPConfig.h"

-

-#ifndef FREERTOS_IP_CONFIG_H

-	#error FreeRTOSIPConfig.h has not been included yet

-#endif

-

-/* Event bit definitions are required by the select functions. */

-#include "event_groups.h"

-

-#ifndef INC_FREERTOS_H

-	#error FreeRTOS.h must be included before FreeRTOS_Sockets.h.

-#endif

-

-#ifndef INC_TASK_H

-	#ifndef TASK_H /* For compatibility with older FreeRTOS versions. */

-		#error The FreeRTOS header file task.h must be included before FreeRTOS_Sockets.h.

-	#endif

-#endif

-

-/* Assigned to an Socket_t variable when the socket is not valid, probably

-because it could not be created. */

-#define FREERTOS_INVALID_SOCKET	( ( Socket_t ) ~0U )

-

-/* API function error values.  As errno is supported, the FreeRTOS sockets

-functions return error codes rather than just a pass or fail indication. */

-/* HT: Extended the number of error codes, gave them positive values and if possible

-the corresponding found in errno.h

-In case of an error, API's will still return negative numbers, e.g.

-  return -pdFREERTOS_ERRNO_EWOULDBLOCK;

-in case an operation would block */

-

-/* The following defines are obsolete, please use -pdFREERTOS_ERRNO_Exxx */

-

-#define FREERTOS_SOCKET_ERROR	( -1 )

-#define FREERTOS_EWOULDBLOCK	( - pdFREERTOS_ERRNO_EWOULDBLOCK )

-#define FREERTOS_EINVAL			( - pdFREERTOS_ERRNO_EINVAL )

-#define FREERTOS_EADDRNOTAVAIL	( - pdFREERTOS_ERRNO_EADDRNOTAVAIL )

-#define FREERTOS_EADDRINUSE		( - pdFREERTOS_ERRNO_EADDRINUSE )

-#define FREERTOS_ENOBUFS		( - pdFREERTOS_ERRNO_ENOBUFS )

-#define FREERTOS_ENOPROTOOPT	( - pdFREERTOS_ERRNO_ENOPROTOOPT )

-#define FREERTOS_ECLOSED		( - pdFREERTOS_ERRNO_ENOTCONN )

-

-/* Values for the parameters to FreeRTOS_socket(), inline with the Berkeley

-standard.  See the documentation of FreeRTOS_socket() for more information. */

-#define FREERTOS_AF_INET		( 2 )

-#define FREERTOS_AF_INET6		( 10 )

-#define FREERTOS_SOCK_DGRAM		( 2 )

-#define FREERTOS_IPPROTO_UDP	( 17 )

-

-#define FREERTOS_SOCK_STREAM	( 1 )

-#define FREERTOS_IPPROTO_TCP	( 6 )

-/* IP packet of type "Any local network"

- * can be used in stead of TCP for testing with sockets in raw mode

- */

-#define FREERTOS_IPPROTO_USR_LAN  ( 63 )

-

-/* A bit value that can be passed into the FreeRTOS_sendto() function as part of

-the flags parameter.  Setting the FREERTOS_ZERO_COPY in the flags parameter

-indicates that the zero copy interface is being used.  See the documentation for

-FreeRTOS_sockets() for more information. */

-#define FREERTOS_ZERO_COPY		( 1 )

-

-/* Values that can be passed in the option name parameter of calls to

-FreeRTOS_setsockopt(). */

-#define FREERTOS_SO_RCVTIMEO			( 0 )		/* Used to set the receive time out. */

-#define FREERTOS_SO_SNDTIMEO			( 1 )		/* Used to set the send time out. */

-#define FREERTOS_SO_UDPCKSUM_OUT		( 2 )	 	/* Used to turn the use of the UDP checksum by a socket on or off.  This also doubles as part of an 8-bit bitwise socket option. */

-#if( ipconfigSOCKET_HAS_USER_SEMAPHORE == 1 )

-	#define FREERTOS_SO_SET_SEMAPHORE	( 3 )		/* Used to set a user's semaphore */

-#endif

-#define FREERTOS_SO_SNDBUF				( 4 )		/* Set the size of the send buffer (TCP only) */

-#define FREERTOS_SO_RCVBUF				( 5 )		/* Set the size of the receive buffer (TCP only) */

-

-#if ipconfigUSE_CALLBACKS == 1

-	#define FREERTOS_SO_TCP_CONN_HANDLER	( 6 )		/* Install a callback for (dis) connection events. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */

-	#define FREERTOS_SO_TCP_RECV_HANDLER	( 7 )		/* Install a callback for receiving TCP data. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */

-	#define FREERTOS_SO_TCP_SENT_HANDLER	( 8 )		/* Install a callback for sending TCP data. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */

-	#define FREERTOS_SO_UDP_RECV_HANDLER	( 9 )		/* Install a callback for receiving UDP data. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */

-	#define FREERTOS_SO_UDP_SENT_HANDLER	( 10 )		/* Install a callback for sending UDP data. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */

-#endif /* ipconfigUSE_CALLBACKS */

-

-#define FREERTOS_SO_REUSE_LISTEN_SOCKET	( 11 )		/* When a listening socket gets connected, do not create a new one but re-use it */

-#define FREERTOS_SO_CLOSE_AFTER_SEND	( 12 )		/* As soon as the last byte has been transmitted, finalise the connection */

-#define FREERTOS_SO_WIN_PROPERTIES		( 13 )		/* Set all buffer and window properties in one call, parameter is pointer to WinProperties_t */

-#define FREERTOS_SO_SET_FULL_SIZE		( 14 )		/* Refuse to send packets smaller than MSS  */

-

-#define FREERTOS_SO_STOP_RX				( 15 )		/* Temporarily hold up reception, used by streaming client */

-

-#if( ipconfigUDP_MAX_RX_PACKETS > 0 )

-	#define FREERTOS_SO_UDP_MAX_RX_PACKETS	( 16 )		/* This option helps to limit the maximum number of packets a UDP socket will buffer */

-#endif

-

-#if( ipconfigSOCKET_HAS_USER_WAKE_CALLBACK == 1 )

-	#define FREERTOS_SO_WAKEUP_CALLBACK	( 17 )

-#endif

-

-#define FREERTOS_SO_SET_LOW_HIGH_WATER	( 18 )

-

-#define FREERTOS_NOT_LAST_IN_FRAGMENTED_PACKET 	( 0x80 )  /* For internal use only, but also part of an 8-bit bitwise value. */

-#define FREERTOS_FRAGMENTED_PACKET				( 0x40 )  /* For internal use only, but also part of an 8-bit bitwise value. */

-

-/* Values for flag for FreeRTOS_shutdown(). */

-#define FREERTOS_SHUT_RD				( 0 )		/* Not really at this moment, just for compatibility of the interface */

-#define FREERTOS_SHUT_WR				( 1 )

-#define FREERTOS_SHUT_RDWR				( 2 )

-

-/* Values for flag for FreeRTOS_recv(). */

-#define FREERTOS_MSG_OOB				( 2 )		/* process out-of-band data */

-#define FREERTOS_MSG_PEEK				( 4 )		/* peek at incoming message */

-#define FREERTOS_MSG_DONTROUTE			( 8 )		/* send without using routing tables */

-#define FREERTOS_MSG_DONTWAIT			( 16 )		/* Can be used with recvfrom(), sendto(), recv(), and send(). */

-

-typedef struct xWIN_PROPS {

-	/* Properties of the Tx buffer and Tx window */

-	int32_t lTxBufSize;	/* Unit: bytes */

-	int32_t lTxWinSize;	/* Unit: MSS */

-

-	/* Properties of the Rx buffer and Rx window */

-	int32_t lRxBufSize;	/* Unit: bytes */

-	int32_t lRxWinSize;	/* Unit: MSS */

-} WinProperties_t;

-

-typedef struct xLOW_HIGH_WATER {

-	/* Structure to pass for the 'FREERTOS_SO_SET_LOW_HIGH_WATER' option */

-	size_t uxLittleSpace;	/* Send a STOP when buffer space drops below X bytes */

-	size_t uxEnoughSpace;	/* Send a GO when buffer space grows above X bytes */

-} LowHighWater_t;

-

-/* For compatibility with the expected Berkeley sockets naming. */

-#define socklen_t uint32_t

-

-/* For this limited implementation, only two members are required in the

-Berkeley style sockaddr structure. */

-struct freertos_sockaddr

-{

-	/* _HT_ On 32- and 64-bit architectures, the addition of the two uint8_t

-	fields doesn't make the structure bigger, due to alignment.

-	The fields are inserted as a preparation for IPv6. */

-

-	/* sin_len and sin_family not used in the IPv4-only release. */

-	uint8_t sin_len;		/* length of this structure. */

-	uint8_t sin_family;		/* FREERTOS_AF_INET. */

-	uint16_t sin_port;

-	uint32_t sin_addr;

-};

-

-#if ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN

-

-	#define FreeRTOS_inet_addr_quick( ucOctet0, ucOctet1, ucOctet2, ucOctet3 )				\

-										( ( ( ( uint32_t ) ( ucOctet3 ) ) << 24UL ) |		\

-										( ( ( uint32_t ) ( ucOctet2 ) ) << 16UL ) |			\

-										( ( ( uint32_t ) ( ucOctet1 ) ) <<  8UL ) |			\

-										( ( uint32_t ) ( ucOctet0 ) ) )

-

-	#define FreeRTOS_inet_ntoa( ulIPAddress, pucBuffer )									\

-								sprintf( ( char * ) ( pucBuffer ), "%u.%u.%u.%u",			\

-									( ( unsigned ) ( ( ulIPAddress ) & 0xffUL ) ),			\

-									( ( unsigned ) ( ( ( ulIPAddress ) >> 8 ) & 0xffUL ) ),	\

-									( ( unsigned ) ( ( ( ulIPAddress ) >> 16 ) & 0xffUL ) ),\

-									( ( unsigned ) ( ( ulIPAddress ) >> 24 ) ) )

-

-#else /* ipconfigBYTE_ORDER */

-

-	#define FreeRTOS_inet_addr_quick( ucOctet0, ucOctet1, ucOctet2, ucOctet3 )				\

-										( ( ( ( uint32_t ) ( ucOctet0 ) ) << 24UL ) |		\

-										( ( ( uint32_t ) ( ucOctet1 ) ) << 16UL ) |			\

-										( ( ( uint32_t ) ( ucOctet2 ) ) <<  8UL ) |			\

-										( ( uint32_t ) ( ucOctet3 ) ) )

-

-	#define FreeRTOS_inet_ntoa( ulIPAddress, pucBuffer )									\

-								sprintf( ( char * ) ( pucBuffer ), "%u.%u.%u.%u",			\

-									( ( unsigned ) ( ( ulIPAddress ) >> 24 ) ),				\

-									( ( unsigned ) ( ( ( ulIPAddress ) >> 16 ) & 0xffUL ) ),\

-									( ( unsigned ) ( ( ( ulIPAddress ) >> 8 ) & 0xffUL ) ),	\

-									( ( unsigned ) ( ( ulIPAddress ) & 0xffUL ) ) )

-

-#endif /* ipconfigBYTE_ORDER */

-

-/* The socket type itself. */

-struct xSOCKET;

-typedef struct xSOCKET *Socket_t;

-

-/* The SocketSet_t type is the equivalent to the fd_set type used by the

-Berkeley API. */

-struct xSOCKET_SET;

-typedef struct xSOCKET_SET *SocketSet_t;

-

-/**

- * FULL, UP-TO-DATE AND MAINTAINED REFERENCE DOCUMENTATION FOR ALL THESE

- * FUNCTIONS IS AVAILABLE ON THE FOLLOWING URL:

- * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_TCP_API_Functions.html

- */

-Socket_t FreeRTOS_socket( BaseType_t xDomain, BaseType_t xType, BaseType_t xProtocol );

-int32_t FreeRTOS_recvfrom( Socket_t xSocket, void *pvBuffer, size_t xBufferLength, BaseType_t xFlags, struct freertos_sockaddr *pxSourceAddress, socklen_t *pxSourceAddressLength );

-int32_t FreeRTOS_sendto( Socket_t xSocket, const void *pvBuffer, size_t xTotalDataLength, BaseType_t xFlags, const struct freertos_sockaddr *pxDestinationAddress, socklen_t xDestinationAddressLength );

-BaseType_t FreeRTOS_bind( Socket_t xSocket, struct freertos_sockaddr *pxAddress, socklen_t xAddressLength );

-

-/* function to get the local address and IP port */

-size_t FreeRTOS_GetLocalAddress( Socket_t xSocket, struct freertos_sockaddr *pxAddress );

-

-/* Made available when ipconfigETHERNET_DRIVER_FILTERS_PACKETS is set to 1. */

-BaseType_t xPortHasUDPSocket( uint16_t usPortNr );

-

-#if ipconfigUSE_TCP == 1

-

-BaseType_t FreeRTOS_connect( Socket_t xClientSocket, struct freertos_sockaddr *pxAddress, socklen_t xAddressLength );

-BaseType_t FreeRTOS_listen( Socket_t xSocket, BaseType_t xBacklog );

-BaseType_t FreeRTOS_recv( Socket_t xSocket, void *pvBuffer, size_t xBufferLength, BaseType_t xFlags );

-BaseType_t FreeRTOS_send( Socket_t xSocket, const void *pvBuffer, size_t uxDataLength, BaseType_t xFlags );

-Socket_t FreeRTOS_accept( Socket_t xServerSocket, struct freertos_sockaddr *pxAddress, socklen_t *pxAddressLength );

-BaseType_t FreeRTOS_shutdown (Socket_t xSocket, BaseType_t xHow);

-

-#if( ipconfigSUPPORT_SIGNALS != 0 )

-	/* Send a signal to the task which is waiting for a given socket. */

-	BaseType_t FreeRTOS_SignalSocket( Socket_t xSocket );

-

-	/* Send a signal to the task which reads from this socket (FromISR

-	version). */

-	BaseType_t FreeRTOS_SignalSocketFromISR( Socket_t xSocket, BaseType_t *pxHigherPriorityTaskWoken );

-#endif /* ipconfigSUPPORT_SIGNALS */

-

-/* Return the remote address and IP port. */

-BaseType_t FreeRTOS_GetRemoteAddress( Socket_t xSocket, struct freertos_sockaddr *pxAddress );

-

-/* returns pdTRUE if TCP socket is connected */

-BaseType_t FreeRTOS_issocketconnected( Socket_t xSocket );

-

-/* returns the actual size of MSS being used */

-BaseType_t FreeRTOS_mss( Socket_t xSocket );

-

-/* for internal use only: return the connection status */

-BaseType_t FreeRTOS_connstatus( Socket_t xSocket );

-

-/* Returns the number of bytes that may be added to txStream */

-BaseType_t FreeRTOS_maywrite( Socket_t xSocket );

-

-/*

- * Two helper functions, mostly for testing

- * rx_size returns the number of bytes available in the Rx buffer

- * tx_space returns the free space in the Tx buffer

- */

-BaseType_t FreeRTOS_rx_size( Socket_t xSocket );

-BaseType_t FreeRTOS_tx_space( Socket_t xSocket );

-BaseType_t FreeRTOS_tx_size( Socket_t xSocket );

-

-/* Returns the number of outstanding bytes in txStream. */

-/* The function FreeRTOS_outstanding() was already implemented

-FreeRTOS_tx_size(). */

-#define FreeRTOS_outstanding( xSocket )	FreeRTOS_tx_size( xSocket )

-

-/* Returns the number of bytes in the socket's rxStream. */

-/* The function FreeRTOS_recvcount() was already implemented

-FreeRTOS_rx_size(). */

-#define FreeRTOS_recvcount( xSocket )	FreeRTOS_rx_size( xSocket )

-

-/*

- * For advanced applications only:

- * Get a direct pointer to the circular transmit buffer.

- * '*pxLength' will contain the number of bytes that may be written.

- */

-uint8_t *FreeRTOS_get_tx_head( Socket_t xSocket, BaseType_t *pxLength );

-

-#endif /* ipconfigUSE_TCP */

-

-/*

- * Connect / disconnect handler for a TCP socket

- * For example:

- *		static void vMyConnectHandler (Socket_t xSocket, BaseType_t ulConnected)

- *		{

- *		}

- * 		F_TCP_UDP_Handler_t xHnd = { vMyConnectHandler };

- * 		FreeRTOS_setsockopt( sock, 0, FREERTOS_SO_TCP_CONN_HANDLER, ( void * ) &xHnd, sizeof( xHnd ) );

- */

-

-typedef void (* FOnConnected_t )( Socket_t /* xSocket */, BaseType_t /* ulConnected */ );

-

-/*

- * Reception handler for a TCP socket

- * A user-proved function will be called on reception of a message

- * If the handler returns a positive number, the messages will not be stored

- * For example:

- *		static BaseType_t xOnTCPReceive( Socket_t xSocket, void * pData, size_t xLength )

- *		{

- *			// handle the message

- *			return 1;

- *		}

- *		F_TCP_UDP_Handler_t xHand = { xOnTCPReceive };

- *		FreeRTOS_setsockopt( sock, 0, FREERTOS_SO_TCP_RECV_HANDLER, ( void * ) &xHand, sizeof( xHand ) );

- */

-typedef BaseType_t (* FOnTCPReceive_t )( Socket_t /* xSocket */, void * /* pData */, size_t /* xLength */ );

-typedef void (* FOnTCPSent_t )( Socket_t /* xSocket */, size_t /* xLength */ );

-

-/*

- * Reception handler for a UDP socket

- * A user-proved function will be called on reception of a message

- * If the handler returns a positive number, the messages will not be stored

- */

-typedef BaseType_t (* FOnUDPReceive_t ) (Socket_t /* xSocket */, void * /* pData */, size_t /* xLength */,

-	const struct freertos_sockaddr * /* pxFrom */, const struct freertos_sockaddr * /* pxDest */ );

-typedef void (* FOnUDPSent_t )( Socket_t /* xSocket */, size_t /* xLength */ );

-

-

-typedef union xTCP_UDP_HANDLER

-{

-	FOnConnected_t	pxOnTCPConnected;	/* FREERTOS_SO_TCP_CONN_HANDLER */

-	FOnTCPReceive_t	pxOnTCPReceive;		/* FREERTOS_SO_TCP_RECV_HANDLER */

-	FOnTCPSent_t	pxOnTCPSent;		/* FREERTOS_SO_TCP_SENT_HANDLER */

-	FOnUDPReceive_t	pxOnUDPReceive;		/* FREERTOS_SO_UDP_RECV_HANDLER */

-	FOnUDPSent_t	pxOnUDPSent;		/* FREERTOS_SO_UDP_SENT_HANDLER */

-} F_TCP_UDP_Handler_t;

-

-BaseType_t FreeRTOS_setsockopt( Socket_t xSocket, int32_t lLevel, int32_t lOptionName, const void *pvOptionValue, size_t xOptionLength );

-BaseType_t FreeRTOS_closesocket( Socket_t xSocket );

-uint32_t FreeRTOS_gethostbyname( const char *pcHostName );

-uint32_t FreeRTOS_inet_addr( const char * pcIPAddress );

-

-/*

- * For the web server: borrow the circular Rx buffer for inspection

- * HTML driver wants to see if a sequence of 13/10/13/10 is available

- */

-const struct xSTREAM_BUFFER *FreeRTOS_get_rx_buf( Socket_t xSocket );

-

-void FreeRTOS_netstat( void );

-

-#if ipconfigSUPPORT_SELECT_FUNCTION == 1

-

-	/* For FD_SET and FD_CLR, a combination of the following bits can be used: */

-

-	typedef enum eSELECT_EVENT {

-		eSELECT_READ    = 0x0001,

-		eSELECT_WRITE   = 0x0002,

-		eSELECT_EXCEPT  = 0x0004,

-		eSELECT_INTR    = 0x0008,

-		eSELECT_ALL		= 0x000F,

-		/* Reserved for internal use: */

-		eSELECT_CALL_IP	= 0x0010,

-		/* end */

-	} eSelectEvent_t;

-

-	SocketSet_t FreeRTOS_CreateSocketSet( void );

-	void FreeRTOS_DeleteSocketSet( SocketSet_t xSocketSet );

-	void FreeRTOS_FD_SET( Socket_t xSocket, SocketSet_t xSocketSet, EventBits_t xBitsToSet );

-	void FreeRTOS_FD_CLR( Socket_t xSocket, SocketSet_t xSocketSet, EventBits_t xBitsToClear );

-	EventBits_t FreeRTOS_FD_ISSET( Socket_t xSocket, SocketSet_t xSocketSet );

-	BaseType_t FreeRTOS_select( SocketSet_t xSocketSet, TickType_t xBlockTimeTicks );

-

-#endif /* ipconfigSUPPORT_SELECT_FUNCTION */

-

-#ifdef __cplusplus

-} // extern "C"

-#endif

-

-#endif /* FREERTOS_SOCKETS_H */

-

-

-

-

-

-

-

-

-

-

-

-

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_SOCKETS_H
+#define FREERTOS_SOCKETS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Standard includes. */
+#include <string.h>
+
+/* Application level configuration options. */
+#include "FreeRTOSIPConfig.h"
+
+#ifndef FREERTOS_IP_CONFIG_H
+	#error FreeRTOSIPConfig.h has not been included yet
+#endif
+
+/* Event bit definitions are required by the select functions. */
+#include "event_groups.h"
+
+#ifndef INC_FREERTOS_H
+	#error FreeRTOS.h must be included before FreeRTOS_Sockets.h.
+#endif
+
+#ifndef INC_TASK_H
+	#ifndef TASK_H /* For compatibility with older FreeRTOS versions. */
+		#error The FreeRTOS header file task.h must be included before FreeRTOS_Sockets.h.
+	#endif
+#endif
+
+/* Assigned to an Socket_t variable when the socket is not valid, probably
+because it could not be created. */
+#define FREERTOS_INVALID_SOCKET	( ( Socket_t ) ~0U )
+
+/* API function error values.  As errno is supported, the FreeRTOS sockets
+functions return error codes rather than just a pass or fail indication. */
+/* HT: Extended the number of error codes, gave them positive values and if possible
+the corresponding found in errno.h
+In case of an error, API's will still return negative numbers, e.g.
+  return -pdFREERTOS_ERRNO_EWOULDBLOCK;
+in case an operation would block */
+
+/* The following defines are obsolete, please use -pdFREERTOS_ERRNO_Exxx */
+
+#define FREERTOS_SOCKET_ERROR	( -1 )
+#define FREERTOS_EWOULDBLOCK	( - pdFREERTOS_ERRNO_EWOULDBLOCK )
+#define FREERTOS_EINVAL			( - pdFREERTOS_ERRNO_EINVAL )
+#define FREERTOS_EADDRNOTAVAIL	( - pdFREERTOS_ERRNO_EADDRNOTAVAIL )
+#define FREERTOS_EADDRINUSE		( - pdFREERTOS_ERRNO_EADDRINUSE )
+#define FREERTOS_ENOBUFS		( - pdFREERTOS_ERRNO_ENOBUFS )
+#define FREERTOS_ENOPROTOOPT	( - pdFREERTOS_ERRNO_ENOPROTOOPT )
+#define FREERTOS_ECLOSED		( - pdFREERTOS_ERRNO_ENOTCONN )
+
+/* Values for the parameters to FreeRTOS_socket(), inline with the Berkeley
+standard.  See the documentation of FreeRTOS_socket() for more information. */
+#define FREERTOS_AF_INET		( 2 )
+#define FREERTOS_AF_INET6		( 10 )
+#define FREERTOS_SOCK_DGRAM		( 2 )
+#define FREERTOS_IPPROTO_UDP	( 17 )
+
+#define FREERTOS_SOCK_STREAM	( 1 )
+#define FREERTOS_IPPROTO_TCP	( 6 )
+/* IP packet of type "Any local network"
+ * can be used in stead of TCP for testing with sockets in raw mode
+ */
+#define FREERTOS_IPPROTO_USR_LAN  ( 63 )
+
+/* A bit value that can be passed into the FreeRTOS_sendto() function as part of
+the flags parameter.  Setting the FREERTOS_ZERO_COPY in the flags parameter
+indicates that the zero copy interface is being used.  See the documentation for
+FreeRTOS_sockets() for more information. */
+#define FREERTOS_ZERO_COPY		( 1 )
+
+/* Values that can be passed in the option name parameter of calls to
+FreeRTOS_setsockopt(). */
+#define FREERTOS_SO_RCVTIMEO			( 0 )		/* Used to set the receive time out. */
+#define FREERTOS_SO_SNDTIMEO			( 1 )		/* Used to set the send time out. */
+#define FREERTOS_SO_UDPCKSUM_OUT		( 2 )	 	/* Used to turn the use of the UDP checksum by a socket on or off.  This also doubles as part of an 8-bit bitwise socket option. */
+#if( ipconfigSOCKET_HAS_USER_SEMAPHORE == 1 )
+	#define FREERTOS_SO_SET_SEMAPHORE	( 3 )		/* Used to set a user's semaphore */
+#endif
+#define FREERTOS_SO_SNDBUF				( 4 )		/* Set the size of the send buffer (TCP only) */
+#define FREERTOS_SO_RCVBUF				( 5 )		/* Set the size of the receive buffer (TCP only) */
+
+#if ipconfigUSE_CALLBACKS == 1
+	#define FREERTOS_SO_TCP_CONN_HANDLER	( 6 )		/* Install a callback for (dis) connection events. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */
+	#define FREERTOS_SO_TCP_RECV_HANDLER	( 7 )		/* Install a callback for receiving TCP data. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */
+	#define FREERTOS_SO_TCP_SENT_HANDLER	( 8 )		/* Install a callback for sending TCP data. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */
+	#define FREERTOS_SO_UDP_RECV_HANDLER	( 9 )		/* Install a callback for receiving UDP data. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */
+	#define FREERTOS_SO_UDP_SENT_HANDLER	( 10 )		/* Install a callback for sending UDP data. Supply pointer to 'F_TCP_UDP_Handler_t' (see below) */
+#endif /* ipconfigUSE_CALLBACKS */
+
+#define FREERTOS_SO_REUSE_LISTEN_SOCKET	( 11 )		/* When a listening socket gets connected, do not create a new one but re-use it */
+#define FREERTOS_SO_CLOSE_AFTER_SEND	( 12 )		/* As soon as the last byte has been transmitted, finalise the connection */
+#define FREERTOS_SO_WIN_PROPERTIES		( 13 )		/* Set all buffer and window properties in one call, parameter is pointer to WinProperties_t */
+#define FREERTOS_SO_SET_FULL_SIZE		( 14 )		/* Refuse to send packets smaller than MSS  */
+
+#define FREERTOS_SO_STOP_RX				( 15 )		/* Temporarily hold up reception, used by streaming client */
+
+#if( ipconfigUDP_MAX_RX_PACKETS > 0 )
+	#define FREERTOS_SO_UDP_MAX_RX_PACKETS	( 16 )		/* This option helps to limit the maximum number of packets a UDP socket will buffer */
+#endif
+
+#if( ipconfigSOCKET_HAS_USER_WAKE_CALLBACK == 1 )
+	#define FREERTOS_SO_WAKEUP_CALLBACK	( 17 )
+#endif
+
+#define FREERTOS_SO_SET_LOW_HIGH_WATER	( 18 )
+
+#define FREERTOS_NOT_LAST_IN_FRAGMENTED_PACKET 	( 0x80 )  /* For internal use only, but also part of an 8-bit bitwise value. */
+#define FREERTOS_FRAGMENTED_PACKET				( 0x40 )  /* For internal use only, but also part of an 8-bit bitwise value. */
+
+/* Values for flag for FreeRTOS_shutdown(). */
+#define FREERTOS_SHUT_RD				( 0 )		/* Not really at this moment, just for compatibility of the interface */
+#define FREERTOS_SHUT_WR				( 1 )
+#define FREERTOS_SHUT_RDWR				( 2 )
+
+/* Values for flag for FreeRTOS_recv(). */
+#define FREERTOS_MSG_OOB				( 2 )		/* process out-of-band data */
+#define FREERTOS_MSG_PEEK				( 4 )		/* peek at incoming message */
+#define FREERTOS_MSG_DONTROUTE			( 8 )		/* send without using routing tables */
+#define FREERTOS_MSG_DONTWAIT			( 16 )		/* Can be used with recvfrom(), sendto(), recv(), and send(). */
+
+typedef struct xWIN_PROPS {
+	/* Properties of the Tx buffer and Tx window */
+	int32_t lTxBufSize;	/* Unit: bytes */
+	int32_t lTxWinSize;	/* Unit: MSS */
+
+	/* Properties of the Rx buffer and Rx window */
+	int32_t lRxBufSize;	/* Unit: bytes */
+	int32_t lRxWinSize;	/* Unit: MSS */
+} WinProperties_t;
+
+typedef struct xLOW_HIGH_WATER {
+	/* Structure to pass for the 'FREERTOS_SO_SET_LOW_HIGH_WATER' option */
+	size_t uxLittleSpace;	/* Send a STOP when buffer space drops below X bytes */
+	size_t uxEnoughSpace;	/* Send a GO when buffer space grows above X bytes */
+} LowHighWater_t;
+
+/* For compatibility with the expected Berkeley sockets naming. */
+#define socklen_t uint32_t
+
+/* For this limited implementation, only two members are required in the
+Berkeley style sockaddr structure. */
+struct freertos_sockaddr
+{
+	/* _HT_ On 32- and 64-bit architectures, the addition of the two uint8_t
+	fields doesn't make the structure bigger, due to alignment.
+	The fields are inserted as a preparation for IPv6. */
+
+	/* sin_len and sin_family not used in the IPv4-only release. */
+	uint8_t sin_len;		/* length of this structure. */
+	uint8_t sin_family;		/* FREERTOS_AF_INET. */
+	uint16_t sin_port;
+	uint32_t sin_addr;
+};
+
+#if ipconfigBYTE_ORDER == pdFREERTOS_LITTLE_ENDIAN
+
+	#define FreeRTOS_inet_addr_quick( ucOctet0, ucOctet1, ucOctet2, ucOctet3 )				\
+										( ( ( ( uint32_t ) ( ucOctet3 ) ) << 24UL ) |		\
+										( ( ( uint32_t ) ( ucOctet2 ) ) << 16UL ) |			\
+										( ( ( uint32_t ) ( ucOctet1 ) ) <<  8UL ) |			\
+										( ( uint32_t ) ( ucOctet0 ) ) )
+
+	#define FreeRTOS_inet_ntoa( ulIPAddress, pucBuffer )									\
+								sprintf( ( char * ) ( pucBuffer ), "%u.%u.%u.%u",			\
+									( ( unsigned ) ( ( ulIPAddress ) & 0xffUL ) ),			\
+									( ( unsigned ) ( ( ( ulIPAddress ) >> 8 ) & 0xffUL ) ),	\
+									( ( unsigned ) ( ( ( ulIPAddress ) >> 16 ) & 0xffUL ) ),\
+									( ( unsigned ) ( ( ulIPAddress ) >> 24 ) ) )
+
+#else /* ipconfigBYTE_ORDER */
+
+	#define FreeRTOS_inet_addr_quick( ucOctet0, ucOctet1, ucOctet2, ucOctet3 )				\
+										( ( ( ( uint32_t ) ( ucOctet0 ) ) << 24UL ) |		\
+										( ( ( uint32_t ) ( ucOctet1 ) ) << 16UL ) |			\
+										( ( ( uint32_t ) ( ucOctet2 ) ) <<  8UL ) |			\
+										( ( uint32_t ) ( ucOctet3 ) ) )
+
+	#define FreeRTOS_inet_ntoa( ulIPAddress, pucBuffer )									\
+								sprintf( ( char * ) ( pucBuffer ), "%u.%u.%u.%u",			\
+									( ( unsigned ) ( ( ulIPAddress ) >> 24 ) ),				\
+									( ( unsigned ) ( ( ( ulIPAddress ) >> 16 ) & 0xffUL ) ),\
+									( ( unsigned ) ( ( ( ulIPAddress ) >> 8 ) & 0xffUL ) ),	\
+									( ( unsigned ) ( ( ulIPAddress ) & 0xffUL ) ) )
+
+#endif /* ipconfigBYTE_ORDER */
+
+/* The socket type itself. */
+struct xSOCKET;
+typedef struct xSOCKET *Socket_t;
+
+/* The SocketSet_t type is the equivalent to the fd_set type used by the
+Berkeley API. */
+struct xSOCKET_SET;
+typedef struct xSOCKET_SET *SocketSet_t;
+
+/**
+ * FULL, UP-TO-DATE AND MAINTAINED REFERENCE DOCUMENTATION FOR ALL THESE
+ * FUNCTIONS IS AVAILABLE ON THE FOLLOWING URL:
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_TCP_API_Functions.html
+ */
+Socket_t FreeRTOS_socket( BaseType_t xDomain, BaseType_t xType, BaseType_t xProtocol );
+int32_t FreeRTOS_recvfrom( Socket_t xSocket, void *pvBuffer, size_t xBufferLength, BaseType_t xFlags, struct freertos_sockaddr *pxSourceAddress, socklen_t *pxSourceAddressLength );
+int32_t FreeRTOS_sendto( Socket_t xSocket, const void *pvBuffer, size_t xTotalDataLength, BaseType_t xFlags, const struct freertos_sockaddr *pxDestinationAddress, socklen_t xDestinationAddressLength );
+BaseType_t FreeRTOS_bind( Socket_t xSocket, struct freertos_sockaddr *pxAddress, socklen_t xAddressLength );
+
+/* function to get the local address and IP port */
+size_t FreeRTOS_GetLocalAddress( Socket_t xSocket, struct freertos_sockaddr *pxAddress );
+
+/* Made available when ipconfigETHERNET_DRIVER_FILTERS_PACKETS is set to 1. */
+BaseType_t xPortHasUDPSocket( uint16_t usPortNr );
+
+#if ipconfigUSE_TCP == 1
+
+BaseType_t FreeRTOS_connect( Socket_t xClientSocket, struct freertos_sockaddr *pxAddress, socklen_t xAddressLength );
+BaseType_t FreeRTOS_listen( Socket_t xSocket, BaseType_t xBacklog );
+BaseType_t FreeRTOS_recv( Socket_t xSocket, void *pvBuffer, size_t xBufferLength, BaseType_t xFlags );
+BaseType_t FreeRTOS_send( Socket_t xSocket, const void *pvBuffer, size_t uxDataLength, BaseType_t xFlags );
+Socket_t FreeRTOS_accept( Socket_t xServerSocket, struct freertos_sockaddr *pxAddress, socklen_t *pxAddressLength );
+BaseType_t FreeRTOS_shutdown (Socket_t xSocket, BaseType_t xHow);
+
+#if( ipconfigSUPPORT_SIGNALS != 0 )
+	/* Send a signal to the task which is waiting for a given socket. */
+	BaseType_t FreeRTOS_SignalSocket( Socket_t xSocket );
+
+	/* Send a signal to the task which reads from this socket (FromISR
+	version). */
+	BaseType_t FreeRTOS_SignalSocketFromISR( Socket_t xSocket, BaseType_t *pxHigherPriorityTaskWoken );
+#endif /* ipconfigSUPPORT_SIGNALS */
+
+/* Return the remote address and IP port. */
+BaseType_t FreeRTOS_GetRemoteAddress( Socket_t xSocket, struct freertos_sockaddr *pxAddress );
+
+/* returns pdTRUE if TCP socket is connected */
+BaseType_t FreeRTOS_issocketconnected( Socket_t xSocket );
+
+/* returns the actual size of MSS being used */
+BaseType_t FreeRTOS_mss( Socket_t xSocket );
+
+/* for internal use only: return the connection status */
+BaseType_t FreeRTOS_connstatus( Socket_t xSocket );
+
+/* Returns the number of bytes that may be added to txStream */
+BaseType_t FreeRTOS_maywrite( Socket_t xSocket );
+
+/*
+ * Two helper functions, mostly for testing
+ * rx_size returns the number of bytes available in the Rx buffer
+ * tx_space returns the free space in the Tx buffer
+ */
+BaseType_t FreeRTOS_rx_size( Socket_t xSocket );
+BaseType_t FreeRTOS_tx_space( Socket_t xSocket );
+BaseType_t FreeRTOS_tx_size( Socket_t xSocket );
+
+/* Returns the number of outstanding bytes in txStream. */
+/* The function FreeRTOS_outstanding() was already implemented
+FreeRTOS_tx_size(). */
+#define FreeRTOS_outstanding( xSocket )	FreeRTOS_tx_size( xSocket )
+
+/* Returns the number of bytes in the socket's rxStream. */
+/* The function FreeRTOS_recvcount() was already implemented
+FreeRTOS_rx_size(). */
+#define FreeRTOS_recvcount( xSocket )	FreeRTOS_rx_size( xSocket )
+
+/*
+ * For advanced applications only:
+ * Get a direct pointer to the circular transmit buffer.
+ * '*pxLength' will contain the number of bytes that may be written.
+ */
+uint8_t *FreeRTOS_get_tx_head( Socket_t xSocket, BaseType_t *pxLength );
+
+#endif /* ipconfigUSE_TCP */
+
+/*
+ * Connect / disconnect handler for a TCP socket
+ * For example:
+ *		static void vMyConnectHandler (Socket_t xSocket, BaseType_t ulConnected)
+ *		{
+ *		}
+ * 		F_TCP_UDP_Handler_t xHnd = { vMyConnectHandler };
+ * 		FreeRTOS_setsockopt( sock, 0, FREERTOS_SO_TCP_CONN_HANDLER, ( void * ) &xHnd, sizeof( xHnd ) );
+ */
+
+typedef void (* FOnConnected_t )( Socket_t /* xSocket */, BaseType_t /* ulConnected */ );
+
+/*
+ * Reception handler for a TCP socket
+ * A user-proved function will be called on reception of a message
+ * If the handler returns a positive number, the messages will not be stored
+ * For example:
+ *		static BaseType_t xOnTCPReceive( Socket_t xSocket, void * pData, size_t xLength )
+ *		{
+ *			// handle the message
+ *			return 1;
+ *		}
+ *		F_TCP_UDP_Handler_t xHand = { xOnTCPReceive };
+ *		FreeRTOS_setsockopt( sock, 0, FREERTOS_SO_TCP_RECV_HANDLER, ( void * ) &xHand, sizeof( xHand ) );
+ */
+typedef BaseType_t (* FOnTCPReceive_t )( Socket_t /* xSocket */, void * /* pData */, size_t /* xLength */ );
+typedef void (* FOnTCPSent_t )( Socket_t /* xSocket */, size_t /* xLength */ );
+
+/*
+ * Reception handler for a UDP socket
+ * A user-proved function will be called on reception of a message
+ * If the handler returns a positive number, the messages will not be stored
+ */
+typedef BaseType_t (* FOnUDPReceive_t ) (Socket_t /* xSocket */, void * /* pData */, size_t /* xLength */,
+	const struct freertos_sockaddr * /* pxFrom */, const struct freertos_sockaddr * /* pxDest */ );
+typedef void (* FOnUDPSent_t )( Socket_t /* xSocket */, size_t /* xLength */ );
+
+
+typedef union xTCP_UDP_HANDLER
+{
+	FOnConnected_t	pxOnTCPConnected;	/* FREERTOS_SO_TCP_CONN_HANDLER */
+	FOnTCPReceive_t	pxOnTCPReceive;		/* FREERTOS_SO_TCP_RECV_HANDLER */
+	FOnTCPSent_t	pxOnTCPSent;		/* FREERTOS_SO_TCP_SENT_HANDLER */
+	FOnUDPReceive_t	pxOnUDPReceive;		/* FREERTOS_SO_UDP_RECV_HANDLER */
+	FOnUDPSent_t	pxOnUDPSent;		/* FREERTOS_SO_UDP_SENT_HANDLER */
+} F_TCP_UDP_Handler_t;
+
+BaseType_t FreeRTOS_setsockopt( Socket_t xSocket, int32_t lLevel, int32_t lOptionName, const void *pvOptionValue, size_t xOptionLength );
+BaseType_t FreeRTOS_closesocket( Socket_t xSocket );
+uint32_t FreeRTOS_gethostbyname( const char *pcHostName );
+uint32_t FreeRTOS_inet_addr( const char * pcIPAddress );
+
+/*
+ * For the web server: borrow the circular Rx buffer for inspection
+ * HTML driver wants to see if a sequence of 13/10/13/10 is available
+ */
+const struct xSTREAM_BUFFER *FreeRTOS_get_rx_buf( Socket_t xSocket );
+
+void FreeRTOS_netstat( void );
+
+#if ipconfigSUPPORT_SELECT_FUNCTION == 1
+
+	/* For FD_SET and FD_CLR, a combination of the following bits can be used: */
+
+	typedef enum eSELECT_EVENT {
+		eSELECT_READ    = 0x0001,
+		eSELECT_WRITE   = 0x0002,
+		eSELECT_EXCEPT  = 0x0004,
+		eSELECT_INTR    = 0x0008,
+		eSELECT_ALL		= 0x000F,
+		/* Reserved for internal use: */
+		eSELECT_CALL_IP	= 0x0010,
+		/* end */
+	} eSelectEvent_t;
+
+	SocketSet_t FreeRTOS_CreateSocketSet( void );
+	void FreeRTOS_DeleteSocketSet( SocketSet_t xSocketSet );
+	void FreeRTOS_FD_SET( Socket_t xSocket, SocketSet_t xSocketSet, EventBits_t xBitsToSet );
+	void FreeRTOS_FD_CLR( Socket_t xSocket, SocketSet_t xSocketSet, EventBits_t xBitsToClear );
+	EventBits_t FreeRTOS_FD_ISSET( Socket_t xSocket, SocketSet_t xSocketSet );
+	BaseType_t FreeRTOS_select( SocketSet_t xSocketSet, TickType_t xBlockTimeTicks );
+
+#endif /* ipconfigSUPPORT_SELECT_FUNCTION */
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif /* FREERTOS_SOCKETS_H */
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Stream_Buffer.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Stream_Buffer.h
index 95bbbdf0a..9698227c6 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Stream_Buffer.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Stream_Buffer.h
@@ -1,231 +1,231 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-/*

- *	FreeRTOS_Stream_Buffer.h

- *

- *	A cicular character buffer

- *	An implementation of a circular buffer without a length field

- *	If LENGTH defines the size of the buffer, a maximum of (LENGT-1) bytes can be stored

- *	In order to add or read data from the buffer, memcpy() will be called at most 2 times

- */

-

-#ifndef FREERTOS_STREAM_BUFFER_H

-#define	FREERTOS_STREAM_BUFFER_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-typedef struct xSTREAM_BUFFER {

-	volatile size_t uxTail;		/* next item to read */

-	volatile size_t uxMid;		/* iterator within the valid items */

-	volatile size_t uxHead;		/* next position store a new item */

-	volatile size_t uxFront;	/* iterator within the free space */

-	size_t LENGTH;				/* const value: number of reserved elements */

-	uint8_t ucArray[ sizeof( size_t ) ];

-} StreamBuffer_t;

-

-static portINLINE void vStreamBufferClear( StreamBuffer_t *pxBuffer );

-static portINLINE void vStreamBufferClear( StreamBuffer_t *pxBuffer )

-{

-	/* Make the circular buffer empty */

-	pxBuffer->uxHead = 0u;

-	pxBuffer->uxTail = 0u;

-	pxBuffer->uxFront = 0u;

-	pxBuffer->uxMid = 0u;

-}

-/*-----------------------------------------------------------*/

-

-static portINLINE size_t uxStreamBufferSpace( const StreamBuffer_t *pxBuffer, const size_t uxLower, const size_t uxUpper );

-static portINLINE size_t uxStreamBufferSpace( const StreamBuffer_t *pxBuffer, const size_t uxLower, const size_t uxUpper )

-{

-/* Returns the space between uxLower and uxUpper, which equals to the distance minus 1 */

-size_t uxCount;

-

-	uxCount = pxBuffer->LENGTH + uxUpper - uxLower - 1u;

-	if( uxCount >= pxBuffer->LENGTH )

-	{

-		uxCount -= pxBuffer->LENGTH;

-	}

-

-	return uxCount;

-}

-/*-----------------------------------------------------------*/

-

-static portINLINE size_t uxStreamBufferDistance( const StreamBuffer_t *pxBuffer, const size_t uxLower, const size_t uxUpper );

-static portINLINE size_t uxStreamBufferDistance( const StreamBuffer_t *pxBuffer, const size_t uxLower, const size_t uxUpper )

-{

-/* Returns the distance between uxLower and uxUpper */

-size_t uxCount;

-

-	uxCount = pxBuffer->LENGTH + uxUpper - uxLower;

-	if ( uxCount >= pxBuffer->LENGTH )

-	{

-		uxCount -= pxBuffer->LENGTH;

-	}

-

-	return uxCount;

-}

-/*-----------------------------------------------------------*/

-

-static portINLINE size_t uxStreamBufferGetSpace( const StreamBuffer_t *pxBuffer );

-static portINLINE size_t uxStreamBufferGetSpace( const StreamBuffer_t *pxBuffer )

-{

-/* Returns the number of items which can still be added to uxHead

-before hitting on uxTail */

-size_t uxHead = pxBuffer->uxHead;

-size_t uxTail = pxBuffer->uxTail;

-

-	return uxStreamBufferSpace( pxBuffer, uxHead, uxTail );

-}

-/*-----------------------------------------------------------*/

-

-static portINLINE size_t uxStreamBufferFrontSpace( const StreamBuffer_t *pxBuffer );

-static portINLINE size_t uxStreamBufferFrontSpace( const StreamBuffer_t *pxBuffer )

-{

-/* Distance between uxFront and uxTail

-or the number of items which can still be added to uxFront,

-before hitting on uxTail */

-

-size_t uxFront = pxBuffer->uxFront;

-size_t uxTail = pxBuffer->uxTail;

-

-	return uxStreamBufferSpace( pxBuffer, uxFront, uxTail );

-}

-/*-----------------------------------------------------------*/

-

-static portINLINE size_t uxStreamBufferGetSize( const StreamBuffer_t *pxBuffer );

-static portINLINE size_t uxStreamBufferGetSize( const StreamBuffer_t *pxBuffer )

-{

-/* Returns the number of items which can be read from uxTail

-before reaching uxHead */

-size_t uxHead = pxBuffer->uxHead;

-size_t uxTail = pxBuffer->uxTail;

-

-	return uxStreamBufferDistance( pxBuffer, uxTail, uxHead );

-}

-/*-----------------------------------------------------------*/

-

-static portINLINE size_t uxStreamBufferMidSpace( const StreamBuffer_t *pxBuffer );

-static portINLINE size_t uxStreamBufferMidSpace( const StreamBuffer_t *pxBuffer )

-{

-/* Returns the distance between uxHead and uxMid */

-size_t uxHead = pxBuffer->uxHead;

-size_t uxMid = pxBuffer->uxMid;

-

-	return uxStreamBufferDistance( pxBuffer, uxMid, uxHead );

-}

-/*-----------------------------------------------------------*/

-

-static portINLINE void vStreamBufferMoveMid( StreamBuffer_t *pxBuffer, size_t uxCount );

-static portINLINE void vStreamBufferMoveMid( StreamBuffer_t *pxBuffer, size_t uxCount )

-{

-/* Increment uxMid, but no further than uxHead */

-size_t uxSize = uxStreamBufferMidSpace( pxBuffer );

-

-	if( uxCount > uxSize )

-	{

-		uxCount = uxSize;

-	}

-	pxBuffer->uxMid += uxCount;

-	if( pxBuffer->uxMid >= pxBuffer->LENGTH )

-	{

-		pxBuffer->uxMid -= pxBuffer->LENGTH;

-	}

-}

-/*-----------------------------------------------------------*/

-

-static portINLINE BaseType_t xStreamBufferLessThenEqual( const StreamBuffer_t *pxBuffer, const size_t uxLeft, const size_t uxRight );

-static portINLINE BaseType_t xStreamBufferLessThenEqual( const StreamBuffer_t *pxBuffer, const size_t uxLeft, const size_t uxRight )

-{

-BaseType_t xReturn;

-size_t uxTail = pxBuffer->uxTail;

-

-	/* Returns true if ( uxLeft < uxRight ) */

-	if( ( uxLeft < uxTail ) ^ ( uxRight < uxTail ) )

-	{

-		if( uxRight < uxTail )

-		{

-			xReturn = pdTRUE;

-		}

-		else

-		{

-			xReturn = pdFALSE;

-		}

-	}

-	else

-	{

-		if( uxLeft <= uxRight )

-		{

-			xReturn = pdTRUE;

-		}

-		else

-		{

-			xReturn = pdFALSE;

-		}

-	}

-	return xReturn;

-}

-/*-----------------------------------------------------------*/

-

-static portINLINE size_t uxStreamBufferGetPtr( StreamBuffer_t *pxBuffer, uint8_t **ppucData );

-static portINLINE size_t uxStreamBufferGetPtr( StreamBuffer_t *pxBuffer, uint8_t **ppucData )

-{

-size_t uxNextTail = pxBuffer->uxTail;

-size_t uxSize = uxStreamBufferGetSize( pxBuffer );

-

-	*ppucData = pxBuffer->ucArray + uxNextTail;

-

-	return FreeRTOS_min_uint32( uxSize, pxBuffer->LENGTH - uxNextTail );

-}

-

-/*

- * Add bytes to a stream buffer.

- *

- * pxBuffer -	The buffer to which the bytes will be added.

- * uxOffset -	If uxOffset > 0, data will be written at an offset from uxHead

- *				while uxHead will not be moved yet.

- * pucData -	A pointer to the data to be added.

- * uxCount -	The number of bytes to add.

- */

-size_t uxStreamBufferAdd( StreamBuffer_t *pxBuffer, size_t uxOffset, const uint8_t *pucData, size_t uxCount );

-

-/*

- * Read bytes from a stream buffer.

- *

- * pxBuffer -	The buffer from which the bytes will be read.

- * uxOffset -	Can be used to read data located at a certain offset from 'uxTail'.

- * pucData -	A pointer to the buffer into which data will be read.

- * uxMaxCount -	The number of bytes to read.

- * xPeek -		If set to pdTRUE the data will remain in the buffer.

- */

-size_t uxStreamBufferGet( StreamBuffer_t *pxBuffer, size_t uxOffset, uint8_t *pucData, size_t uxMaxCount, BaseType_t xPeek );

-

-#ifdef __cplusplus

-} /* extern "C" */

-#endif

-

-#endif	/* !defined( FREERTOS_STREAM_BUFFER_H ) */

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+/*
+ *	FreeRTOS_Stream_Buffer.h
+ *
+ *	A cicular character buffer
+ *	An implementation of a circular buffer without a length field
+ *	If LENGTH defines the size of the buffer, a maximum of (LENGT-1) bytes can be stored
+ *	In order to add or read data from the buffer, memcpy() will be called at most 2 times
+ */
+
+#ifndef FREERTOS_STREAM_BUFFER_H
+#define	FREERTOS_STREAM_BUFFER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct xSTREAM_BUFFER {
+	volatile size_t uxTail;		/* next item to read */
+	volatile size_t uxMid;		/* iterator within the valid items */
+	volatile size_t uxHead;		/* next position store a new item */
+	volatile size_t uxFront;	/* iterator within the free space */
+	size_t LENGTH;				/* const value: number of reserved elements */
+	uint8_t ucArray[ sizeof( size_t ) ];
+} StreamBuffer_t;
+
+static portINLINE void vStreamBufferClear( StreamBuffer_t *pxBuffer );
+static portINLINE void vStreamBufferClear( StreamBuffer_t *pxBuffer )
+{
+	/* Make the circular buffer empty */
+	pxBuffer->uxHead = 0u;
+	pxBuffer->uxTail = 0u;
+	pxBuffer->uxFront = 0u;
+	pxBuffer->uxMid = 0u;
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE size_t uxStreamBufferSpace( const StreamBuffer_t *pxBuffer, const size_t uxLower, const size_t uxUpper );
+static portINLINE size_t uxStreamBufferSpace( const StreamBuffer_t *pxBuffer, const size_t uxLower, const size_t uxUpper )
+{
+/* Returns the space between uxLower and uxUpper, which equals to the distance minus 1 */
+size_t uxCount;
+
+	uxCount = pxBuffer->LENGTH + uxUpper - uxLower - 1u;
+	if( uxCount >= pxBuffer->LENGTH )
+	{
+		uxCount -= pxBuffer->LENGTH;
+	}
+
+	return uxCount;
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE size_t uxStreamBufferDistance( const StreamBuffer_t *pxBuffer, const size_t uxLower, const size_t uxUpper );
+static portINLINE size_t uxStreamBufferDistance( const StreamBuffer_t *pxBuffer, const size_t uxLower, const size_t uxUpper )
+{
+/* Returns the distance between uxLower and uxUpper */
+size_t uxCount;
+
+	uxCount = pxBuffer->LENGTH + uxUpper - uxLower;
+	if ( uxCount >= pxBuffer->LENGTH )
+	{
+		uxCount -= pxBuffer->LENGTH;
+	}
+
+	return uxCount;
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE size_t uxStreamBufferGetSpace( const StreamBuffer_t *pxBuffer );
+static portINLINE size_t uxStreamBufferGetSpace( const StreamBuffer_t *pxBuffer )
+{
+/* Returns the number of items which can still be added to uxHead
+before hitting on uxTail */
+size_t uxHead = pxBuffer->uxHead;
+size_t uxTail = pxBuffer->uxTail;
+
+	return uxStreamBufferSpace( pxBuffer, uxHead, uxTail );
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE size_t uxStreamBufferFrontSpace( const StreamBuffer_t *pxBuffer );
+static portINLINE size_t uxStreamBufferFrontSpace( const StreamBuffer_t *pxBuffer )
+{
+/* Distance between uxFront and uxTail
+or the number of items which can still be added to uxFront,
+before hitting on uxTail */
+
+size_t uxFront = pxBuffer->uxFront;
+size_t uxTail = pxBuffer->uxTail;
+
+	return uxStreamBufferSpace( pxBuffer, uxFront, uxTail );
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE size_t uxStreamBufferGetSize( const StreamBuffer_t *pxBuffer );
+static portINLINE size_t uxStreamBufferGetSize( const StreamBuffer_t *pxBuffer )
+{
+/* Returns the number of items which can be read from uxTail
+before reaching uxHead */
+size_t uxHead = pxBuffer->uxHead;
+size_t uxTail = pxBuffer->uxTail;
+
+	return uxStreamBufferDistance( pxBuffer, uxTail, uxHead );
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE size_t uxStreamBufferMidSpace( const StreamBuffer_t *pxBuffer );
+static portINLINE size_t uxStreamBufferMidSpace( const StreamBuffer_t *pxBuffer )
+{
+/* Returns the distance between uxHead and uxMid */
+size_t uxHead = pxBuffer->uxHead;
+size_t uxMid = pxBuffer->uxMid;
+
+	return uxStreamBufferDistance( pxBuffer, uxMid, uxHead );
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE void vStreamBufferMoveMid( StreamBuffer_t *pxBuffer, size_t uxCount );
+static portINLINE void vStreamBufferMoveMid( StreamBuffer_t *pxBuffer, size_t uxCount )
+{
+/* Increment uxMid, but no further than uxHead */
+size_t uxSize = uxStreamBufferMidSpace( pxBuffer );
+
+	if( uxCount > uxSize )
+	{
+		uxCount = uxSize;
+	}
+	pxBuffer->uxMid += uxCount;
+	if( pxBuffer->uxMid >= pxBuffer->LENGTH )
+	{
+		pxBuffer->uxMid -= pxBuffer->LENGTH;
+	}
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE BaseType_t xStreamBufferLessThenEqual( const StreamBuffer_t *pxBuffer, const size_t uxLeft, const size_t uxRight );
+static portINLINE BaseType_t xStreamBufferLessThenEqual( const StreamBuffer_t *pxBuffer, const size_t uxLeft, const size_t uxRight )
+{
+BaseType_t xReturn;
+size_t uxTail = pxBuffer->uxTail;
+
+	/* Returns true if ( uxLeft < uxRight ) */
+	if( ( uxLeft < uxTail ) ^ ( uxRight < uxTail ) )
+	{
+		if( uxRight < uxTail )
+		{
+			xReturn = pdTRUE;
+		}
+		else
+		{
+			xReturn = pdFALSE;
+		}
+	}
+	else
+	{
+		if( uxLeft <= uxRight )
+		{
+			xReturn = pdTRUE;
+		}
+		else
+		{
+			xReturn = pdFALSE;
+		}
+	}
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE size_t uxStreamBufferGetPtr( StreamBuffer_t *pxBuffer, uint8_t **ppucData );
+static portINLINE size_t uxStreamBufferGetPtr( StreamBuffer_t *pxBuffer, uint8_t **ppucData )
+{
+size_t uxNextTail = pxBuffer->uxTail;
+size_t uxSize = uxStreamBufferGetSize( pxBuffer );
+
+	*ppucData = pxBuffer->ucArray + uxNextTail;
+
+	return FreeRTOS_min_uint32( uxSize, pxBuffer->LENGTH - uxNextTail );
+}
+
+/*
+ * Add bytes to a stream buffer.
+ *
+ * pxBuffer -	The buffer to which the bytes will be added.
+ * uxOffset -	If uxOffset > 0, data will be written at an offset from uxHead
+ *				while uxHead will not be moved yet.
+ * pucData -	A pointer to the data to be added.
+ * uxCount -	The number of bytes to add.
+ */
+size_t uxStreamBufferAdd( StreamBuffer_t *pxBuffer, size_t uxOffset, const uint8_t *pucData, size_t uxCount );
+
+/*
+ * Read bytes from a stream buffer.
+ *
+ * pxBuffer -	The buffer from which the bytes will be read.
+ * uxOffset -	Can be used to read data located at a certain offset from 'uxTail'.
+ * pucData -	A pointer to the buffer into which data will be read.
+ * uxMaxCount -	The number of bytes to read.
+ * xPeek -		If set to pdTRUE the data will remain in the buffer.
+ */
+size_t uxStreamBufferGet( StreamBuffer_t *pxBuffer, size_t uxOffset, uint8_t *pucData, size_t uxMaxCount, BaseType_t xPeek );
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif	/* !defined( FREERTOS_STREAM_BUFFER_H ) */
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_TCP_IP.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_TCP_IP.h
index 76738c460..e26edf653 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_TCP_IP.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_TCP_IP.h
@@ -1,80 +1,80 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef FREERTOS_TCP_IP_H

-#define FREERTOS_TCP_IP_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-BaseType_t xProcessReceivedTCPPacket( NetworkBufferDescriptor_t *pxNetworkBuffer );

-

-typedef enum eTCP_STATE {

-	/* Comments about the TCP states are borrowed from the very useful

-	 * Wiki page:

-	 * http://en.wikipedia.org/wiki/Transmission_Control_Protocol */

-	eCLOSED = 0u,	/* 0 (server + client) no connection state at all. */

-	eTCP_LISTEN,	/* 1 (server) waiting for a connection request

-						 from any remote TCP and port. */

-	eCONNECT_SYN,	/* 2 (client) internal state: socket wants to send

-						 a connect */

-	eSYN_FIRST,		/* 3 (server) Just created, must ACK the SYN request. */

-	eSYN_RECEIVED,	/* 4 (server) waiting for a confirming connection request

-						 acknowledgement after having both received and sent a connection request. */

-	eESTABLISHED,	/* 5 (server + client) an open connection, data received can be

-						 delivered to the user. The normal state for the data transfer phase of the connection. */

-	eFIN_WAIT_1,	/* 6 (server + client) waiting for a connection termination request from the remote TCP,

-						 or an acknowledgement of the connection termination request previously sent. */

-	eFIN_WAIT_2,	/* 7 (server + client) waiting for a connection termination request from the remote TCP. */

-	eCLOSE_WAIT,	/* 8 (server + client) waiting for a connection termination request from the local user. */

-	eCLOSING,		/*   (server + client) waiting for a connection termination request acknowledgement from the remote TCP. */

-	eLAST_ACK,		/* 9 (server + client) waiting for an acknowledgement of the connection termination request

-						 previously sent to the remote TCP

-						 (which includes an acknowledgement of its connection termination request). */

-	eTIME_WAIT,		/* 10 (either server or client) waiting for enough time to pass to be sure the remote TCP received the

-						 acknowledgement of its connection termination request. [According to RFC 793 a connection can

-						 stay in TIME-WAIT for a maximum of four minutes known as a MSL (maximum segment lifetime).] */

-} eIPTCPState_t;

-

-

-#ifdef __cplusplus

-} // extern "C"

-#endif

-

-#endif /* FREERTOS_TCP_IP_H */

-

-

-

-

-

-

-

-

-

-

-

-

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_TCP_IP_H
+#define FREERTOS_TCP_IP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+BaseType_t xProcessReceivedTCPPacket( NetworkBufferDescriptor_t *pxNetworkBuffer );
+
+typedef enum eTCP_STATE {
+	/* Comments about the TCP states are borrowed from the very useful
+	 * Wiki page:
+	 * http://en.wikipedia.org/wiki/Transmission_Control_Protocol */
+	eCLOSED = 0u,	/* 0 (server + client) no connection state at all. */
+	eTCP_LISTEN,	/* 1 (server) waiting for a connection request
+						 from any remote TCP and port. */
+	eCONNECT_SYN,	/* 2 (client) internal state: socket wants to send
+						 a connect */
+	eSYN_FIRST,		/* 3 (server) Just created, must ACK the SYN request. */
+	eSYN_RECEIVED,	/* 4 (server) waiting for a confirming connection request
+						 acknowledgement after having both received and sent a connection request. */
+	eESTABLISHED,	/* 5 (server + client) an open connection, data received can be
+						 delivered to the user. The normal state for the data transfer phase of the connection. */
+	eFIN_WAIT_1,	/* 6 (server + client) waiting for a connection termination request from the remote TCP,
+						 or an acknowledgement of the connection termination request previously sent. */
+	eFIN_WAIT_2,	/* 7 (server + client) waiting for a connection termination request from the remote TCP. */
+	eCLOSE_WAIT,	/* 8 (server + client) waiting for a connection termination request from the local user. */
+	eCLOSING,		/*   (server + client) waiting for a connection termination request acknowledgement from the remote TCP. */
+	eLAST_ACK,		/* 9 (server + client) waiting for an acknowledgement of the connection termination request
+						 previously sent to the remote TCP
+						 (which includes an acknowledgement of its connection termination request). */
+	eTIME_WAIT,		/* 10 (either server or client) waiting for enough time to pass to be sure the remote TCP received the
+						 acknowledgement of its connection termination request. [According to RFC 793 a connection can
+						 stay in TIME-WAIT for a maximum of four minutes known as a MSL (maximum segment lifetime).] */
+} eIPTCPState_t;
+
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif /* FREERTOS_TCP_IP_H */
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_TCP_WIN.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_TCP_WIN.h
index 9532fd159..1cb7eebc0 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_TCP_WIN.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_TCP_WIN.h
@@ -1,213 +1,213 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-/*

- *	FreeRTOS_TCP_WIN.c

- *  Module which handles the TCP windowing schemes for FreeRTOS-PLUS-TCP

- */

-

-#ifndef	FREERTOS_TCP_WIN_H

-#define	FREERTOS_TCP_WIN_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-extern BaseType_t xTCPWindowLoggingLevel;

-

-typedef struct xTCPTimer

-{

-	uint32_t ulBorn;

-} TCPTimer_t;

-

-typedef struct xTCP_SEGMENT

-{

-	uint32_t ulSequenceNumber;		/* The sequence number of the first byte in this packet */

-	int32_t lMaxLength;				/* Maximum space, number of bytes which can be stored in this segment */

-	int32_t lDataLength;			/* Actual number of bytes */

-	int32_t lStreamPos;				/* reference to the [t|r]xStream of the socket */

-	TCPTimer_t xTransmitTimer;		/* saves a timestamp at the moment this segment gets transmitted (TX only) */

-	union

-	{

-		struct

-		{

-			uint32_t

-				ucTransmitCount : 8,/* Number of times the segment has been transmitted, used to calculate the RTT */

-				ucDupAckCount : 8,	/* Counts the number of times that a higher segment was ACK'd. After 3 times a Fast Retransmission takes place */

-				bOutstanding : 1,	/* It the peer's turn, we're just waiting for an ACK */

-				bAcked : 1,			/* This segment has been acknowledged */

-				bIsForRx : 1;		/* pdTRUE if segment is used for reception */

-		} bits;

-		uint32_t ulFlags;

-	} u;

-#if( ipconfigUSE_TCP_WIN != 0 )

-	struct xLIST_ITEM xQueueItem;	/* TX only: segments can be linked in one of three queues: xPriorityQueue, xTxQueue, and xWaitQueue */

-	struct xLIST_ITEM xListItem;	/* With this item the segment can be connected to a list, depending on who is owning it */

-#endif

-} TCPSegment_t;

-

-typedef struct xTCP_WINSIZE

-{

-	uint32_t ulRxWindowLength;

-	uint32_t ulTxWindowLength;

-} TCPWinSize_t;

-

-/*

- * If TCP time-stamps are being used, they will occupy 12 bytes in

- * each packet, and thus the message space will become smaller

- */

-/* Keep this as a multiple of 4 */

-#if( ipconfigUSE_TCP_WIN == 1 )

-	#define ipSIZE_TCP_OPTIONS	16u

-#else

-	#define ipSIZE_TCP_OPTIONS   12u

-#endif

-

-/*

- *	Every TCP connection owns a TCP window for the administration of all packets

- *	It owns two sets of segment descriptors, incoming and outgoing

- */

-typedef struct xTCP_WINDOW

-{

-	union

-	{

-		struct

-		{

-			uint32_t

-				bHasInit : 1,		/* The window structure has been initialised */

-				bSendFullSize : 1,	/* May only send packets with a size equal to MSS (for optimisation) */

-				bTimeStamps : 1;	/* Socket is supposed to use TCP time-stamps. This depends on the */

-		} bits;						/* party which opens the connection */

-		uint32_t ulFlags;

-	} u;

-	TCPWinSize_t xSize;

-	struct

-	{

-		uint32_t ulFirstSequenceNumber;	 /* Logging & debug: the first segment received/sent in this connection

-										  * for Tx: initial send sequence number (ISS)

-										  * for Rx: initial receive sequence number (IRS) */

-		uint32_t ulCurrentSequenceNumber;/* Tx/Rx: the oldest sequence number not yet confirmed, also SND.UNA / RCV.NXT

-										  * In other words: the sequence number of the left side of the sliding window */

-		uint32_t ulFINSequenceNumber;	 /* The sequence number which carried the FIN flag */

-		uint32_t ulHighestSequenceNumber;/* Sequence number of the right-most byte + 1 */

-	} rx, tx;

-	uint32_t ulOurSequenceNumber;		/* The SEQ number we're sending out */

-	uint32_t ulUserDataLength;			/* Number of bytes in Rx buffer which may be passed to the user, after having received a 'missing packet' */

-	uint32_t ulNextTxSequenceNumber;	/* The sequence number given to the next byte to be added for transmission */

-	int32_t lSRTT;						/* Smoothed Round Trip Time, it may increment quickly and it decrements slower */

-	uint8_t ucOptionLength;				/* Number of valid bytes in ulOptionsData[] */

-#if( ipconfigUSE_TCP_WIN == 1 )

-	List_t xPriorityQueue;				/* Priority queue: segments which must be sent immediately */

-	List_t xTxQueue;					/* Transmit queue: segments queued for transmission */

-	List_t xWaitQueue;					/* Waiting queue:  outstanding segments */

-	TCPSegment_t *pxHeadSegment;		/* points to a segment which has not been transmitted and it's size is still growing (user data being added) */

-	uint32_t ulOptionsData[ipSIZE_TCP_OPTIONS/sizeof(uint32_t)];	/* Contains the options we send out */

-	List_t xTxSegments;					/* A linked list of all transmission segments, sorted on sequence number */

-	List_t xRxSegments;					/* A linked list of reception segments, order depends on sequence of arrival */

-#else

-	/* For tiny TCP, there is only 1 outstanding TX segment */

-	TCPSegment_t xTxSegment;			/* Priority queue */

-#endif

-	uint16_t usOurPortNumber;			/* Mostly for debugging/logging: our TCP port number */

-	uint16_t usPeerPortNumber;			/* debugging/logging: the peer's TCP port number */

-	uint16_t usMSS;						/* Current accepted MSS */

-	uint16_t usMSSInit;					/* MSS as configured by the socket owner */

-} TCPWindow_t;

-

-

-/*=============================================================================

- *

- * Creation and destruction

- *

- *=============================================================================*/

-

-/* Create and initialize a window */

-void vTCPWindowCreate( TCPWindow_t *pxWindow, uint32_t ulRxWindowLength,

-	uint32_t ulTxWindowLength, uint32_t ulAckNumber, uint32_t ulSequenceNumber, uint32_t ulMSS );

-

-/* Destroy a window (always returns NULL)

- * It will free some resources: a collection of segments */

-void vTCPWindowDestroy( TCPWindow_t *pxWindow );

-

-/* Initialize a window */

-void vTCPWindowInit( TCPWindow_t *pxWindow, uint32_t ulAckNumber, uint32_t ulSequenceNumber, uint32_t ulMSS );

-

-/* Clean up allocated segments. Should only be called when FreeRTOS+TCP will no longer be used. */

-void vTCPSegmentCleanup( void );

-

-/*=============================================================================

- *

- * Rx functions

- *

- *=============================================================================*/

-

-/* if true may be passed directly to user (segment expected and window is empty)

- * But pxWindow->ackno should always be used to set "BUF->ackno" */

-int32_t lTCPWindowRxCheck( TCPWindow_t *pxWindow, uint32_t ulSequenceNumber, uint32_t ulLength, uint32_t ulSpace );

-

-/* When lTCPWindowRxCheck returned false, please call store for this unexpected data */

-BaseType_t xTCPWindowRxStore( TCPWindow_t *pxWindow, uint32_t ulSequenceNumber, uint32_t ulLength );

-

-/* This function will be called as soon as a FIN is received. It will return true

- * if there are no 'open' reception segments */

-BaseType_t xTCPWindowRxEmpty( TCPWindow_t *pxWindow );

-

-/* _HT_ Temporary function for testing/debugging

- * Not used at this moment */

-void vTCPWinShowSegments( TCPWindow_t *pxWindow, BaseType_t bForRx );

-

-/*=============================================================================

- *

- * Tx functions

- *

- *=============================================================================*/

-

-/* Adds data to the Tx-window */

-int32_t lTCPWindowTxAdd( TCPWindow_t *pxWindow, uint32_t ulLength, int32_t lPosition, int32_t lMax );

-

-/* Check data to be sent and calculate the time period we may sleep */

-BaseType_t xTCPWindowTxHasData( TCPWindow_t *pxWindow, uint32_t ulWindowSize, TickType_t *pulDelay );

-

-/* See if anything is left to be sent

- * Function will be called when a FIN has been received. Only when the TX window is clean,

- * it will return pdTRUE */

-BaseType_t xTCPWindowTxDone( TCPWindow_t *pxWindow );

-

-/* Fetches data to be sent.

- * apPos will point to a location with the circular data buffer: txStream */

-uint32_t ulTCPWindowTxGet( TCPWindow_t *pxWindow, uint32_t ulWindowSize, int32_t *plPosition );

-

-/* Receive a normal ACK */

-uint32_t ulTCPWindowTxAck( TCPWindow_t *pxWindow, uint32_t ulSequenceNumber );

-

-/* Receive a SACK option */

-uint32_t ulTCPWindowTxSack( TCPWindow_t *pxWindow, uint32_t ulFirst, uint32_t ulLast );

-

-

-#ifdef __cplusplus

-}	/* extern "C" */

-#endif

-

-#endif /* FREERTOS_TCP_WIN_H */

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+/*
+ *	FreeRTOS_TCP_WIN.c
+ *  Module which handles the TCP windowing schemes for FreeRTOS-PLUS-TCP
+ */
+
+#ifndef	FREERTOS_TCP_WIN_H
+#define	FREERTOS_TCP_WIN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern BaseType_t xTCPWindowLoggingLevel;
+
+typedef struct xTCPTimer
+{
+	uint32_t ulBorn;
+} TCPTimer_t;
+
+typedef struct xTCP_SEGMENT
+{
+	uint32_t ulSequenceNumber;		/* The sequence number of the first byte in this packet */
+	int32_t lMaxLength;				/* Maximum space, number of bytes which can be stored in this segment */
+	int32_t lDataLength;			/* Actual number of bytes */
+	int32_t lStreamPos;				/* reference to the [t|r]xStream of the socket */
+	TCPTimer_t xTransmitTimer;		/* saves a timestamp at the moment this segment gets transmitted (TX only) */
+	union
+	{
+		struct
+		{
+			uint32_t
+				ucTransmitCount : 8,/* Number of times the segment has been transmitted, used to calculate the RTT */
+				ucDupAckCount : 8,	/* Counts the number of times that a higher segment was ACK'd. After 3 times a Fast Retransmission takes place */
+				bOutstanding : 1,	/* It the peer's turn, we're just waiting for an ACK */
+				bAcked : 1,			/* This segment has been acknowledged */
+				bIsForRx : 1;		/* pdTRUE if segment is used for reception */
+		} bits;
+		uint32_t ulFlags;
+	} u;
+#if( ipconfigUSE_TCP_WIN != 0 )
+	struct xLIST_ITEM xQueueItem;	/* TX only: segments can be linked in one of three queues: xPriorityQueue, xTxQueue, and xWaitQueue */
+	struct xLIST_ITEM xListItem;	/* With this item the segment can be connected to a list, depending on who is owning it */
+#endif
+} TCPSegment_t;
+
+typedef struct xTCP_WINSIZE
+{
+	uint32_t ulRxWindowLength;
+	uint32_t ulTxWindowLength;
+} TCPWinSize_t;
+
+/*
+ * If TCP time-stamps are being used, they will occupy 12 bytes in
+ * each packet, and thus the message space will become smaller
+ */
+/* Keep this as a multiple of 4 */
+#if( ipconfigUSE_TCP_WIN == 1 )
+	#define ipSIZE_TCP_OPTIONS	16u
+#else
+	#define ipSIZE_TCP_OPTIONS   12u
+#endif
+
+/*
+ *	Every TCP connection owns a TCP window for the administration of all packets
+ *	It owns two sets of segment descriptors, incoming and outgoing
+ */
+typedef struct xTCP_WINDOW
+{
+	union
+	{
+		struct
+		{
+			uint32_t
+				bHasInit : 1,		/* The window structure has been initialised */
+				bSendFullSize : 1,	/* May only send packets with a size equal to MSS (for optimisation) */
+				bTimeStamps : 1;	/* Socket is supposed to use TCP time-stamps. This depends on the */
+		} bits;						/* party which opens the connection */
+		uint32_t ulFlags;
+	} u;
+	TCPWinSize_t xSize;
+	struct
+	{
+		uint32_t ulFirstSequenceNumber;	 /* Logging & debug: the first segment received/sent in this connection
+										  * for Tx: initial send sequence number (ISS)
+										  * for Rx: initial receive sequence number (IRS) */
+		uint32_t ulCurrentSequenceNumber;/* Tx/Rx: the oldest sequence number not yet confirmed, also SND.UNA / RCV.NXT
+										  * In other words: the sequence number of the left side of the sliding window */
+		uint32_t ulFINSequenceNumber;	 /* The sequence number which carried the FIN flag */
+		uint32_t ulHighestSequenceNumber;/* Sequence number of the right-most byte + 1 */
+	} rx, tx;
+	uint32_t ulOurSequenceNumber;		/* The SEQ number we're sending out */
+	uint32_t ulUserDataLength;			/* Number of bytes in Rx buffer which may be passed to the user, after having received a 'missing packet' */
+	uint32_t ulNextTxSequenceNumber;	/* The sequence number given to the next byte to be added for transmission */
+	int32_t lSRTT;						/* Smoothed Round Trip Time, it may increment quickly and it decrements slower */
+	uint8_t ucOptionLength;				/* Number of valid bytes in ulOptionsData[] */
+#if( ipconfigUSE_TCP_WIN == 1 )
+	List_t xPriorityQueue;				/* Priority queue: segments which must be sent immediately */
+	List_t xTxQueue;					/* Transmit queue: segments queued for transmission */
+	List_t xWaitQueue;					/* Waiting queue:  outstanding segments */
+	TCPSegment_t *pxHeadSegment;		/* points to a segment which has not been transmitted and it's size is still growing (user data being added) */
+	uint32_t ulOptionsData[ipSIZE_TCP_OPTIONS/sizeof(uint32_t)];	/* Contains the options we send out */
+	List_t xTxSegments;					/* A linked list of all transmission segments, sorted on sequence number */
+	List_t xRxSegments;					/* A linked list of reception segments, order depends on sequence of arrival */
+#else
+	/* For tiny TCP, there is only 1 outstanding TX segment */
+	TCPSegment_t xTxSegment;			/* Priority queue */
+#endif
+	uint16_t usOurPortNumber;			/* Mostly for debugging/logging: our TCP port number */
+	uint16_t usPeerPortNumber;			/* debugging/logging: the peer's TCP port number */
+	uint16_t usMSS;						/* Current accepted MSS */
+	uint16_t usMSSInit;					/* MSS as configured by the socket owner */
+} TCPWindow_t;
+
+
+/*=============================================================================
+ *
+ * Creation and destruction
+ *
+ *=============================================================================*/
+
+/* Create and initialize a window */
+void vTCPWindowCreate( TCPWindow_t *pxWindow, uint32_t ulRxWindowLength,
+	uint32_t ulTxWindowLength, uint32_t ulAckNumber, uint32_t ulSequenceNumber, uint32_t ulMSS );
+
+/* Destroy a window (always returns NULL)
+ * It will free some resources: a collection of segments */
+void vTCPWindowDestroy( TCPWindow_t *pxWindow );
+
+/* Initialize a window */
+void vTCPWindowInit( TCPWindow_t *pxWindow, uint32_t ulAckNumber, uint32_t ulSequenceNumber, uint32_t ulMSS );
+
+/* Clean up allocated segments. Should only be called when FreeRTOS+TCP will no longer be used. */
+void vTCPSegmentCleanup( void );
+
+/*=============================================================================
+ *
+ * Rx functions
+ *
+ *=============================================================================*/
+
+/* if true may be passed directly to user (segment expected and window is empty)
+ * But pxWindow->ackno should always be used to set "BUF->ackno" */
+int32_t lTCPWindowRxCheck( TCPWindow_t *pxWindow, uint32_t ulSequenceNumber, uint32_t ulLength, uint32_t ulSpace );
+
+/* When lTCPWindowRxCheck returned false, please call store for this unexpected data */
+BaseType_t xTCPWindowRxStore( TCPWindow_t *pxWindow, uint32_t ulSequenceNumber, uint32_t ulLength );
+
+/* This function will be called as soon as a FIN is received. It will return true
+ * if there are no 'open' reception segments */
+BaseType_t xTCPWindowRxEmpty( TCPWindow_t *pxWindow );
+
+/* _HT_ Temporary function for testing/debugging
+ * Not used at this moment */
+void vTCPWinShowSegments( TCPWindow_t *pxWindow, BaseType_t bForRx );
+
+/*=============================================================================
+ *
+ * Tx functions
+ *
+ *=============================================================================*/
+
+/* Adds data to the Tx-window */
+int32_t lTCPWindowTxAdd( TCPWindow_t *pxWindow, uint32_t ulLength, int32_t lPosition, int32_t lMax );
+
+/* Check data to be sent and calculate the time period we may sleep */
+BaseType_t xTCPWindowTxHasData( TCPWindow_t *pxWindow, uint32_t ulWindowSize, TickType_t *pulDelay );
+
+/* See if anything is left to be sent
+ * Function will be called when a FIN has been received. Only when the TX window is clean,
+ * it will return pdTRUE */
+BaseType_t xTCPWindowTxDone( TCPWindow_t *pxWindow );
+
+/* Fetches data to be sent.
+ * apPos will point to a location with the circular data buffer: txStream */
+uint32_t ulTCPWindowTxGet( TCPWindow_t *pxWindow, uint32_t ulWindowSize, int32_t *plPosition );
+
+/* Receive a normal ACK */
+uint32_t ulTCPWindowTxAck( TCPWindow_t *pxWindow, uint32_t ulSequenceNumber );
+
+/* Receive a SACK option */
+uint32_t ulTCPWindowTxSack( TCPWindow_t *pxWindow, uint32_t ulFirst, uint32_t ulLast );
+
+
+#ifdef __cplusplus
+}	/* extern "C" */
+#endif
+
+#endif /* FREERTOS_TCP_WIN_H */
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_UDP_IP.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_UDP_IP.h
index a7463fcee..cb3dd3556 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_UDP_IP.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_UDP_IP.h
@@ -1,56 +1,56 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef FREERTOS_UDP_IP_H

-#define FREERTOS_UDP_IP_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* Application level configuration options. */

-#include "FreeRTOSIPConfig.h"

-#include "FreeRTOSIPConfigDefaults.h"

-#include "IPTraceMacroDefaults.h"

-

-

-#ifdef __cplusplus

-} // extern "C"

-#endif

-

-#endif /* FREERTOS_UDP_IP_H */

-

-

-

-

-

-

-

-

-

-

-

-

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_UDP_IP_H
+#define FREERTOS_UDP_IP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Application level configuration options. */
+#include "FreeRTOSIPConfig.h"
+#include "FreeRTOSIPConfigDefaults.h"
+#include "IPTraceMacroDefaults.h"
+
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif /* FREERTOS_UDP_IP_H */
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_errno_TCP.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_errno_TCP.h
index 534f5261d..0253a200d 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_errno_TCP.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_errno_TCP.h
@@ -1,90 +1,90 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef FREERTOS_ERRNO_TCP

-#define FREERTOS_ERRNO_TCP

-

-/* The following definitions will be included in the core FreeRTOS code in

-future versions of FreeRTOS - hence the 'pd' (ProjDefs) prefix - at which time

-this file will be removed. */

-

-/* The following errno values are used by FreeRTOS+ components, not FreeRTOS

-itself. */

-

-/* For future compatibility (see comment above), check the definitions have not

-already been made. */

-#ifndef pdFREERTOS_ERRNO_NONE

-	#define pdFREERTOS_ERRNO_NONE			0	/* No errors */

-	#define	pdFREERTOS_ERRNO_ENOENT			2	/* No such file or directory */

-	#define	pdFREERTOS_ERRNO_EINTR			4	/* Interrupted system call */

-	#define	pdFREERTOS_ERRNO_EIO			5	/* I/O error */

-	#define	pdFREERTOS_ERRNO_ENXIO			6	/* No such device or address */

-	#define	pdFREERTOS_ERRNO_EBADF			9	/* Bad file number */

-	#define	pdFREERTOS_ERRNO_EAGAIN			11	/* No more processes */

-	#define	pdFREERTOS_ERRNO_EWOULDBLOCK	11	/* Operation would block */

-	#define	pdFREERTOS_ERRNO_ENOMEM			12	/* Not enough memory */

-	#define	pdFREERTOS_ERRNO_EACCES			13	/* Permission denied */

-	#define	pdFREERTOS_ERRNO_EFAULT			14	/* Bad address */

-	#define	pdFREERTOS_ERRNO_EBUSY			16	/* Mount device busy */

-	#define	pdFREERTOS_ERRNO_EEXIST			17	/* File exists */

-	#define	pdFREERTOS_ERRNO_EXDEV			18	/* Cross-device link */

-	#define	pdFREERTOS_ERRNO_ENODEV			19	/* No such device */

-	#define	pdFREERTOS_ERRNO_ENOTDIR		20	/* Not a directory */

-	#define	pdFREERTOS_ERRNO_EISDIR			21	/* Is a directory */

-	#define	pdFREERTOS_ERRNO_EINVAL			22	/* Invalid argument */

-	#define	pdFREERTOS_ERRNO_ENOSPC			28	/* No space left on device */

-	#define	pdFREERTOS_ERRNO_ESPIPE			29	/* Illegal seek */

-	#define	pdFREERTOS_ERRNO_EROFS			30	/* Read only file system */

-	#define	pdFREERTOS_ERRNO_EUNATCH		42	/* Protocol driver not attached */

-	#define	pdFREERTOS_ERRNO_EBADE			50	/* Invalid exchange */

-	#define	pdFREERTOS_ERRNO_EFTYPE			79	/* Inappropriate file type or format */

-	#define	pdFREERTOS_ERRNO_ENMFILE		89	/* No more files */

-	#define	pdFREERTOS_ERRNO_ENOTEMPTY		90	/* Directory not empty */

-	#define	pdFREERTOS_ERRNO_ENAMETOOLONG 	91	/* File or path name too long */

-	#define	pdFREERTOS_ERRNO_EOPNOTSUPP		95	/* Operation not supported on transport endpoint */

-	#define	pdFREERTOS_ERRNO_ENOBUFS		105	/* No buffer space available */

-	#define	pdFREERTOS_ERRNO_ENOPROTOOPT	109	/* Protocol not available */

-	#define	pdFREERTOS_ERRNO_EADDRINUSE		112	/* Address already in use */

-	#define	pdFREERTOS_ERRNO_ETIMEDOUT		116	/* Connection timed out */

-	#define	pdFREERTOS_ERRNO_EINPROGRESS	119	/* Connection already in progress */

-	#define	pdFREERTOS_ERRNO_EALREADY		120	/* Socket already connected */

-	#define	pdFREERTOS_ERRNO_EADDRNOTAVAIL 	125	/* Address not available */

-	#define	pdFREERTOS_ERRNO_EISCONN		127	/* Socket is already connected */

-	#define	pdFREERTOS_ERRNO_ENOTCONN		128	/* Socket is not connected */

-	#define	pdFREERTOS_ERRNO_ENOMEDIUM		135	/* No medium inserted */

-	#define	pdFREERTOS_ERRNO_EILSEQ			138	/* An invalid UTF-16 sequence was encountered. */

-	#define	pdFREERTOS_ERRNO_ECANCELED		140	/* Operation canceled. */

-

-	/* The following endian values are used by FreeRTOS+ components, not FreeRTOS

-	itself. */

-	#define pdFREERTOS_LITTLE_ENDIAN	0

-	#define pdFREERTOS_BIG_ENDIAN		1

-

-#endif /* pdFREERTOS_ERRNO_NONE */

-

-#endif /* FREERTOS_ERRNO_TCP */

-

-

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_ERRNO_TCP
+#define FREERTOS_ERRNO_TCP
+
+/* The following definitions will be included in the core FreeRTOS code in
+future versions of FreeRTOS - hence the 'pd' (ProjDefs) prefix - at which time
+this file will be removed. */
+
+/* The following errno values are used by FreeRTOS+ components, not FreeRTOS
+itself. */
+
+/* For future compatibility (see comment above), check the definitions have not
+already been made. */
+#ifndef pdFREERTOS_ERRNO_NONE
+	#define pdFREERTOS_ERRNO_NONE			0	/* No errors */
+	#define	pdFREERTOS_ERRNO_ENOENT			2	/* No such file or directory */
+	#define	pdFREERTOS_ERRNO_EINTR			4	/* Interrupted system call */
+	#define	pdFREERTOS_ERRNO_EIO			5	/* I/O error */
+	#define	pdFREERTOS_ERRNO_ENXIO			6	/* No such device or address */
+	#define	pdFREERTOS_ERRNO_EBADF			9	/* Bad file number */
+	#define	pdFREERTOS_ERRNO_EAGAIN			11	/* No more processes */
+	#define	pdFREERTOS_ERRNO_EWOULDBLOCK	11	/* Operation would block */
+	#define	pdFREERTOS_ERRNO_ENOMEM			12	/* Not enough memory */
+	#define	pdFREERTOS_ERRNO_EACCES			13	/* Permission denied */
+	#define	pdFREERTOS_ERRNO_EFAULT			14	/* Bad address */
+	#define	pdFREERTOS_ERRNO_EBUSY			16	/* Mount device busy */
+	#define	pdFREERTOS_ERRNO_EEXIST			17	/* File exists */
+	#define	pdFREERTOS_ERRNO_EXDEV			18	/* Cross-device link */
+	#define	pdFREERTOS_ERRNO_ENODEV			19	/* No such device */
+	#define	pdFREERTOS_ERRNO_ENOTDIR		20	/* Not a directory */
+	#define	pdFREERTOS_ERRNO_EISDIR			21	/* Is a directory */
+	#define	pdFREERTOS_ERRNO_EINVAL			22	/* Invalid argument */
+	#define	pdFREERTOS_ERRNO_ENOSPC			28	/* No space left on device */
+	#define	pdFREERTOS_ERRNO_ESPIPE			29	/* Illegal seek */
+	#define	pdFREERTOS_ERRNO_EROFS			30	/* Read only file system */
+	#define	pdFREERTOS_ERRNO_EUNATCH		42	/* Protocol driver not attached */
+	#define	pdFREERTOS_ERRNO_EBADE			50	/* Invalid exchange */
+	#define	pdFREERTOS_ERRNO_EFTYPE			79	/* Inappropriate file type or format */
+	#define	pdFREERTOS_ERRNO_ENMFILE		89	/* No more files */
+	#define	pdFREERTOS_ERRNO_ENOTEMPTY		90	/* Directory not empty */
+	#define	pdFREERTOS_ERRNO_ENAMETOOLONG 	91	/* File or path name too long */
+	#define	pdFREERTOS_ERRNO_EOPNOTSUPP		95	/* Operation not supported on transport endpoint */
+	#define	pdFREERTOS_ERRNO_ENOBUFS		105	/* No buffer space available */
+	#define	pdFREERTOS_ERRNO_ENOPROTOOPT	109	/* Protocol not available */
+	#define	pdFREERTOS_ERRNO_EADDRINUSE		112	/* Address already in use */
+	#define	pdFREERTOS_ERRNO_ETIMEDOUT		116	/* Connection timed out */
+	#define	pdFREERTOS_ERRNO_EINPROGRESS	119	/* Connection already in progress */
+	#define	pdFREERTOS_ERRNO_EALREADY		120	/* Socket already connected */
+	#define	pdFREERTOS_ERRNO_EADDRNOTAVAIL 	125	/* Address not available */
+	#define	pdFREERTOS_ERRNO_EISCONN		127	/* Socket is already connected */
+	#define	pdFREERTOS_ERRNO_ENOTCONN		128	/* Socket is not connected */
+	#define	pdFREERTOS_ERRNO_ENOMEDIUM		135	/* No medium inserted */
+	#define	pdFREERTOS_ERRNO_EILSEQ			138	/* An invalid UTF-16 sequence was encountered. */
+	#define	pdFREERTOS_ERRNO_ECANCELED		140	/* Operation canceled. */
+
+	/* The following endian values are used by FreeRTOS+ components, not FreeRTOS
+	itself. */
+	#define pdFREERTOS_LITTLE_ENDIAN	0
+	#define pdFREERTOS_BIG_ENDIAN		1
+
+#endif /* pdFREERTOS_ERRNO_NONE */
+
+#endif /* FREERTOS_ERRNO_TCP */
+
+
+
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/IPTraceMacroDefaults.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/IPTraceMacroDefaults.h
index 316e18f56..0af7189dd 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/IPTraceMacroDefaults.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/IPTraceMacroDefaults.h
@@ -1,193 +1,193 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-/* This file provides default (empty) implementations for any IP trace macros

-that are not defined by the user.  See

-http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Trace.html */

-

-#ifndef UDP_TRACE_MACRO_DEFAULTS_H

-#define UDP_TRACE_MACRO_DEFAULTS_H

-

-#ifndef iptraceNETWORK_DOWN

-	#define iptraceNETWORK_DOWN()

-#endif

-

-#ifndef iptraceNETWORK_BUFFER_RELEASED

-	#define iptraceNETWORK_BUFFER_RELEASED( pxBufferAddress )

-#endif

-

-#ifndef iptraceNETWORK_BUFFER_OBTAINED

-	#define iptraceNETWORK_BUFFER_OBTAINED( pxBufferAddress )

-#endif

-

-#ifndef iptraceNETWORK_BUFFER_OBTAINED_FROM_ISR

-	#define iptraceNETWORK_BUFFER_OBTAINED_FROM_ISR( pxBufferAddress )

-#endif

-

-#ifndef iptraceFAILED_TO_OBTAIN_NETWORK_BUFFER

-	#define iptraceFAILED_TO_OBTAIN_NETWORK_BUFFER()

-#endif

-

-#ifndef iptraceFAILED_TO_OBTAIN_NETWORK_BUFFER_FROM_ISR

-	#define iptraceFAILED_TO_OBTAIN_NETWORK_BUFFER_FROM_ISR()

-#endif

-

-#ifndef iptraceCREATING_ARP_REQUEST

-	#define iptraceCREATING_ARP_REQUEST( ulIPAddress )

-#endif

-

-#ifndef iptraceARP_TABLE_ENTRY_WILL_EXPIRE

-	#define iptraceARP_TABLE_ENTRY_WILL_EXPIRE( ulIPAddress )

-#endif

-

-#ifndef iptraceARP_TABLE_ENTRY_EXPIRED

-	#define iptraceARP_TABLE_ENTRY_EXPIRED( ulIPAddress )

-#endif

-

-#ifndef iptraceARP_TABLE_ENTRY_CREATED

-	#define iptraceARP_TABLE_ENTRY_CREATED( ulIPAddress, ucMACAddress )

-#endif

-

-#ifndef iptraceSENDING_UDP_PACKET

-	#define iptraceSENDING_UDP_PACKET( ulIPAddress )

-#endif

-

-#ifndef iptracePACKET_DROPPED_TO_GENERATE_ARP

-	#define iptracePACKET_DROPPED_TO_GENERATE_ARP( ulIPAddress )

-#endif

-

-#ifndef iptraceICMP_PACKET_RECEIVED

-	#define iptraceICMP_PACKET_RECEIVED()

-#endif

-

-#ifndef iptraceSENDING_PING_REPLY

-	#define iptraceSENDING_PING_REPLY( ulIPAddress )

-#endif

-

-#ifndef traceARP_PACKET_RECEIVED

-	#define traceARP_PACKET_RECEIVED()

-#endif

-

-#ifndef iptracePROCESSING_RECEIVED_ARP_REPLY

-	#define iptracePROCESSING_RECEIVED_ARP_REPLY( ulIPAddress )

-#endif

-

-#ifndef iptraceSENDING_ARP_REPLY

-	#define iptraceSENDING_ARP_REPLY( ulIPAddress )

-#endif

-

-#ifndef iptraceFAILED_TO_CREATE_SOCKET

-	#define iptraceFAILED_TO_CREATE_SOCKET()

-#endif

-

-#ifndef iptraceFAILED_TO_CREATE_EVENT_GROUP

-	#define iptraceFAILED_TO_CREATE_EVENT_GROUP()

-#endif

-

-#ifndef iptraceRECVFROM_DISCARDING_BYTES

-	#define iptraceRECVFROM_DISCARDING_BYTES( xNumberOfBytesDiscarded )

-#endif

-

-#ifndef iptraceETHERNET_RX_EVENT_LOST

-	#define iptraceETHERNET_RX_EVENT_LOST()

-#endif

-

-#ifndef iptraceSTACK_TX_EVENT_LOST

-	#define iptraceSTACK_TX_EVENT_LOST( xEvent )

-#endif

-

-#ifndef iptraceNETWORK_EVENT_RECEIVED

-	#define iptraceNETWORK_EVENT_RECEIVED( eEvent )

-#endif

-

-#ifndef iptraceBIND_FAILED

-	#define iptraceBIND_FAILED( xSocket, usPort )

-#endif

-

-#ifndef iptraceDHCP_REQUESTS_FAILED_USING_DEFAULT_IP_ADDRESS

-	#define iptraceDHCP_REQUESTS_FAILED_USING_DEFAULT_IP_ADDRESS( ulIPAddress )

-#endif

-

-#ifndef iptraceSENDING_DHCP_DISCOVER

-	#define iptraceSENDING_DHCP_DISCOVER()

-#endif

-

-#ifndef iptraceSENDING_DHCP_REQUEST

-	#define iptraceSENDING_DHCP_REQUEST()

-#endif

-

-#ifndef iptraceDHCP_SUCCEDEED

-	#define iptraceDHCP_SUCCEDEED( address )

-#endif

-

-#ifndef iptraceNETWORK_INTERFACE_TRANSMIT

-	#define iptraceNETWORK_INTERFACE_TRANSMIT()

-#endif

-

-#ifndef iptraceNETWORK_INTERFACE_RECEIVE

-	#define iptraceNETWORK_INTERFACE_RECEIVE()

-#endif

-

-#ifndef iptraceSENDING_DNS_REQUEST

-	#define iptraceSENDING_DNS_REQUEST()

-#endif

-

-#ifndef	iptraceWAITING_FOR_TX_DMA_DESCRIPTOR

-	#define iptraceWAITING_FOR_TX_DMA_DESCRIPTOR()

-#endif

-

-#ifndef ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS

-	#define ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS 0

-#endif

-

-#ifndef iptraceFAILED_TO_NOTIFY_SELECT_GROUP

-	#define iptraceFAILED_TO_NOTIFY_SELECT_GROUP( xSocket )

-#endif

-

-#ifndef pvPortMallocSocket

-	#define pvPortMallocSocket(xSize) pvPortMalloc( ( xSize ) )

-#endif

-

-#ifndef iptraceRECVFROM_TIMEOUT

-	#define iptraceRECVFROM_TIMEOUT()

-#endif

-

-#ifndef iptraceRECVFROM_INTERRUPTED

-	#define iptraceRECVFROM_INTERRUPTED()

-#endif

-

-#ifndef iptraceNO_BUFFER_FOR_SENDTO

-	#define iptraceNO_BUFFER_FOR_SENDTO()

-#endif

-

-#ifndef iptraceSENDTO_SOCKET_NOT_BOUND

-	#define iptraceSENDTO_SOCKET_NOT_BOUND()

-#endif

-

-#ifndef iptraceSENDTO_DATA_TOO_LONG

-	#define iptraceSENDTO_DATA_TOO_LONG()

-#endif

-

-#endif /* UDP_TRACE_MACRO_DEFAULTS_H */

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+/* This file provides default (empty) implementations for any IP trace macros
+that are not defined by the user.  See
+http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Trace.html */
+
+#ifndef UDP_TRACE_MACRO_DEFAULTS_H
+#define UDP_TRACE_MACRO_DEFAULTS_H
+
+#ifndef iptraceNETWORK_DOWN
+	#define iptraceNETWORK_DOWN()
+#endif
+
+#ifndef iptraceNETWORK_BUFFER_RELEASED
+	#define iptraceNETWORK_BUFFER_RELEASED( pxBufferAddress )
+#endif
+
+#ifndef iptraceNETWORK_BUFFER_OBTAINED
+	#define iptraceNETWORK_BUFFER_OBTAINED( pxBufferAddress )
+#endif
+
+#ifndef iptraceNETWORK_BUFFER_OBTAINED_FROM_ISR
+	#define iptraceNETWORK_BUFFER_OBTAINED_FROM_ISR( pxBufferAddress )
+#endif
+
+#ifndef iptraceFAILED_TO_OBTAIN_NETWORK_BUFFER
+	#define iptraceFAILED_TO_OBTAIN_NETWORK_BUFFER()
+#endif
+
+#ifndef iptraceFAILED_TO_OBTAIN_NETWORK_BUFFER_FROM_ISR
+	#define iptraceFAILED_TO_OBTAIN_NETWORK_BUFFER_FROM_ISR()
+#endif
+
+#ifndef iptraceCREATING_ARP_REQUEST
+	#define iptraceCREATING_ARP_REQUEST( ulIPAddress )
+#endif
+
+#ifndef iptraceARP_TABLE_ENTRY_WILL_EXPIRE
+	#define iptraceARP_TABLE_ENTRY_WILL_EXPIRE( ulIPAddress )
+#endif
+
+#ifndef iptraceARP_TABLE_ENTRY_EXPIRED
+	#define iptraceARP_TABLE_ENTRY_EXPIRED( ulIPAddress )
+#endif
+
+#ifndef iptraceARP_TABLE_ENTRY_CREATED
+	#define iptraceARP_TABLE_ENTRY_CREATED( ulIPAddress, ucMACAddress )
+#endif
+
+#ifndef iptraceSENDING_UDP_PACKET
+	#define iptraceSENDING_UDP_PACKET( ulIPAddress )
+#endif
+
+#ifndef iptracePACKET_DROPPED_TO_GENERATE_ARP
+	#define iptracePACKET_DROPPED_TO_GENERATE_ARP( ulIPAddress )
+#endif
+
+#ifndef iptraceICMP_PACKET_RECEIVED
+	#define iptraceICMP_PACKET_RECEIVED()
+#endif
+
+#ifndef iptraceSENDING_PING_REPLY
+	#define iptraceSENDING_PING_REPLY( ulIPAddress )
+#endif
+
+#ifndef traceARP_PACKET_RECEIVED
+	#define traceARP_PACKET_RECEIVED()
+#endif
+
+#ifndef iptracePROCESSING_RECEIVED_ARP_REPLY
+	#define iptracePROCESSING_RECEIVED_ARP_REPLY( ulIPAddress )
+#endif
+
+#ifndef iptraceSENDING_ARP_REPLY
+	#define iptraceSENDING_ARP_REPLY( ulIPAddress )
+#endif
+
+#ifndef iptraceFAILED_TO_CREATE_SOCKET
+	#define iptraceFAILED_TO_CREATE_SOCKET()
+#endif
+
+#ifndef iptraceFAILED_TO_CREATE_EVENT_GROUP
+	#define iptraceFAILED_TO_CREATE_EVENT_GROUP()
+#endif
+
+#ifndef iptraceRECVFROM_DISCARDING_BYTES
+	#define iptraceRECVFROM_DISCARDING_BYTES( xNumberOfBytesDiscarded )
+#endif
+
+#ifndef iptraceETHERNET_RX_EVENT_LOST
+	#define iptraceETHERNET_RX_EVENT_LOST()
+#endif
+
+#ifndef iptraceSTACK_TX_EVENT_LOST
+	#define iptraceSTACK_TX_EVENT_LOST( xEvent )
+#endif
+
+#ifndef iptraceNETWORK_EVENT_RECEIVED
+	#define iptraceNETWORK_EVENT_RECEIVED( eEvent )
+#endif
+
+#ifndef iptraceBIND_FAILED
+	#define iptraceBIND_FAILED( xSocket, usPort )
+#endif
+
+#ifndef iptraceDHCP_REQUESTS_FAILED_USING_DEFAULT_IP_ADDRESS
+	#define iptraceDHCP_REQUESTS_FAILED_USING_DEFAULT_IP_ADDRESS( ulIPAddress )
+#endif
+
+#ifndef iptraceSENDING_DHCP_DISCOVER
+	#define iptraceSENDING_DHCP_DISCOVER()
+#endif
+
+#ifndef iptraceSENDING_DHCP_REQUEST
+	#define iptraceSENDING_DHCP_REQUEST()
+#endif
+
+#ifndef iptraceDHCP_SUCCEDEED
+	#define iptraceDHCP_SUCCEDEED( address )
+#endif
+
+#ifndef iptraceNETWORK_INTERFACE_TRANSMIT
+	#define iptraceNETWORK_INTERFACE_TRANSMIT()
+#endif
+
+#ifndef iptraceNETWORK_INTERFACE_RECEIVE
+	#define iptraceNETWORK_INTERFACE_RECEIVE()
+#endif
+
+#ifndef iptraceSENDING_DNS_REQUEST
+	#define iptraceSENDING_DNS_REQUEST()
+#endif
+
+#ifndef	iptraceWAITING_FOR_TX_DMA_DESCRIPTOR
+	#define iptraceWAITING_FOR_TX_DMA_DESCRIPTOR()
+#endif
+
+#ifndef ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS
+	#define ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS 0
+#endif
+
+#ifndef iptraceFAILED_TO_NOTIFY_SELECT_GROUP
+	#define iptraceFAILED_TO_NOTIFY_SELECT_GROUP( xSocket )
+#endif
+
+#ifndef pvPortMallocSocket
+	#define pvPortMallocSocket(xSize) pvPortMalloc( ( xSize ) )
+#endif
+
+#ifndef iptraceRECVFROM_TIMEOUT
+	#define iptraceRECVFROM_TIMEOUT()
+#endif
+
+#ifndef iptraceRECVFROM_INTERRUPTED
+	#define iptraceRECVFROM_INTERRUPTED()
+#endif
+
+#ifndef iptraceNO_BUFFER_FOR_SENDTO
+	#define iptraceNO_BUFFER_FOR_SENDTO()
+#endif
+
+#ifndef iptraceSENDTO_SOCKET_NOT_BOUND
+	#define iptraceSENDTO_SOCKET_NOT_BOUND()
+#endif
+
+#ifndef iptraceSENDTO_DATA_TOO_LONG
+	#define iptraceSENDTO_DATA_TOO_LONG()
+#endif
+
+#endif /* UDP_TRACE_MACRO_DEFAULTS_H */
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/NetworkBufferManagement.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/NetworkBufferManagement.h
index 0fcde3439..d57e607ac 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/NetworkBufferManagement.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/NetworkBufferManagement.h
@@ -1,70 +1,70 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef NETWORK_BUFFER_MANAGEMENT_H

-#define NETWORK_BUFFER_MANAGEMENT_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* NOTE PUBLIC API FUNCTIONS. */

-BaseType_t xNetworkBuffersInitialise( void );

-NetworkBufferDescriptor_t *pxGetNetworkBufferWithDescriptor( size_t xRequestedSizeBytes, TickType_t xBlockTimeTicks );

-NetworkBufferDescriptor_t *pxNetworkBufferGetFromISR( size_t xRequestedSizeBytes );

-void vReleaseNetworkBufferAndDescriptor( NetworkBufferDescriptor_t * const pxNetworkBuffer );

-BaseType_t vNetworkBufferReleaseFromISR( NetworkBufferDescriptor_t * const pxNetworkBuffer );

-uint8_t *pucGetNetworkBuffer( size_t *pxRequestedSizeBytes );

-void vReleaseNetworkBuffer( uint8_t *pucEthernetBuffer );

-

-/* Get the current number of free network buffers. */

-UBaseType_t uxGetNumberOfFreeNetworkBuffers( void );

-

-/* Get the lowest number of free network buffers. */

-UBaseType_t uxGetMinimumFreeNetworkBuffers( void );

-

-/* Copy a network buffer into a bigger buffer. */

-NetworkBufferDescriptor_t *pxDuplicateNetworkBufferWithDescriptor( NetworkBufferDescriptor_t * const pxNetworkBuffer,

-	size_t uxNewLength);

-

-/* Increase the size of a Network Buffer.

-In case BufferAllocation_2.c is used, the new space must be allocated. */

-NetworkBufferDescriptor_t *pxResizeNetworkBufferWithDescriptor( NetworkBufferDescriptor_t * pxNetworkBuffer,

-	size_t xNewSizeBytes );

-

-#if ipconfigTCP_IP_SANITY

-	/*

-	 * Check if an address is a valid pointer to a network descriptor

-	 * by looking it up in the array of network descriptors

-	 */

-	UBaseType_t bIsValidNetworkDescriptor (const NetworkBufferDescriptor_t * pxDesc);

-	BaseType_t prvIsFreeBuffer( const NetworkBufferDescriptor_t *pxDescr );

-#endif

-

-#ifdef __cplusplus

-} // extern "C"

-#endif

-

-#endif /* NETWORK_BUFFER_MANAGEMENT_H */

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef NETWORK_BUFFER_MANAGEMENT_H
+#define NETWORK_BUFFER_MANAGEMENT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* NOTE PUBLIC API FUNCTIONS. */
+BaseType_t xNetworkBuffersInitialise( void );
+NetworkBufferDescriptor_t *pxGetNetworkBufferWithDescriptor( size_t xRequestedSizeBytes, TickType_t xBlockTimeTicks );
+NetworkBufferDescriptor_t *pxNetworkBufferGetFromISR( size_t xRequestedSizeBytes );
+void vReleaseNetworkBufferAndDescriptor( NetworkBufferDescriptor_t * const pxNetworkBuffer );
+BaseType_t vNetworkBufferReleaseFromISR( NetworkBufferDescriptor_t * const pxNetworkBuffer );
+uint8_t *pucGetNetworkBuffer( size_t *pxRequestedSizeBytes );
+void vReleaseNetworkBuffer( uint8_t *pucEthernetBuffer );
+
+/* Get the current number of free network buffers. */
+UBaseType_t uxGetNumberOfFreeNetworkBuffers( void );
+
+/* Get the lowest number of free network buffers. */
+UBaseType_t uxGetMinimumFreeNetworkBuffers( void );
+
+/* Copy a network buffer into a bigger buffer. */
+NetworkBufferDescriptor_t *pxDuplicateNetworkBufferWithDescriptor( NetworkBufferDescriptor_t * const pxNetworkBuffer,
+	size_t uxNewLength);
+
+/* Increase the size of a Network Buffer.
+In case BufferAllocation_2.c is used, the new space must be allocated. */
+NetworkBufferDescriptor_t *pxResizeNetworkBufferWithDescriptor( NetworkBufferDescriptor_t * pxNetworkBuffer,
+	size_t xNewSizeBytes );
+
+#if ipconfigTCP_IP_SANITY
+	/*
+	 * Check if an address is a valid pointer to a network descriptor
+	 * by looking it up in the array of network descriptors
+	 */
+	UBaseType_t bIsValidNetworkDescriptor (const NetworkBufferDescriptor_t * pxDesc);
+	BaseType_t prvIsFreeBuffer( const NetworkBufferDescriptor_t *pxDescr );
+#endif
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif /* NETWORK_BUFFER_MANAGEMENT_H */
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/NetworkInterface.h b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/NetworkInterface.h
index c3d3fb4bc..8f1fb3219 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/NetworkInterface.h
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/NetworkInterface.h
@@ -1,44 +1,44 @@
-/*

- * FreeRTOS+TCP V2.2.0

- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a copy of

- * this software and associated documentation files (the "Software"), to deal in

- * the Software without restriction, including without limitation the rights to

- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

- * the Software, and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in all

- * copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- *

- * http://aws.amazon.com/freertos

- * http://www.FreeRTOS.org

- */

-

-#ifndef NETWORK_INTERFACE_H

-#define NETWORK_INTERFACE_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/* NOTE PUBLIC API FUNCTIONS. */

-BaseType_t xNetworkInterfaceInitialise( void );

-BaseType_t xNetworkInterfaceOutput( NetworkBufferDescriptor_t * const pxNetworkBuffer, BaseType_t xReleaseAfterSend );

-void vNetworkInterfaceAllocateRAMToBuffers( NetworkBufferDescriptor_t pxNetworkBuffers[ ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS ] );

-BaseType_t xGetPhyLinkStatus( void );

-

-#ifdef __cplusplus

-} // extern "C"

-#endif

-

-#endif /* NETWORK_INTERFACE_H */

-

+/*
+ * FreeRTOS+TCP V2.2.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef NETWORK_INTERFACE_H
+#define NETWORK_INTERFACE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* NOTE PUBLIC API FUNCTIONS. */
+BaseType_t xNetworkInterfaceInitialise( void );
+BaseType_t xNetworkInterfaceOutput( NetworkBufferDescriptor_t * const pxNetworkBuffer, BaseType_t xReleaseAfterSend );
+void vNetworkInterfaceAllocateRAMToBuffers( NetworkBufferDescriptor_t pxNetworkBuffers[ ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS ] );
+BaseType_t xGetPhyLinkStatus( void );
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif /* NETWORK_INTERFACE_H */
+