mirror of
https://github.com/FreeRTOS/FreeRTOS-Plus-TCP
synced 2025-10-23 10:07:43 +08:00
8e7a3fe5a1
* Check IPv6 packet length. * Fix unused compile warnings. * Move xCheckSizeFields to static function and fix unit test cases. * Add minimum length check for IPv6 transport layer.
124 lines
5.1 KiB
C
124 lines
5.1 KiB
C
/*
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* FreeRTOS+TCP V2.3.1
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://aws.amazon.com/freertos
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* http://www.FreeRTOS.org
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*/
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#ifndef FREERTOS_IPV6_H
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#define FREERTOS_IPV6_H
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/* *INDENT-OFF* */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* *INDENT-ON* */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "FreeRTOS_IP.h"
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#include "FreeRTOS_IP_Common.h"
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#include "FreeRTOS_IPv6_Private.h"
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/* Some constants defining the sizes of several parts of a packet.
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* These defines come before including the configuration header files. */
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#define ipSIZE_OF_IPv6_HEADER 40U
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#define ipSIZE_OF_ICMPv6_HEADER 24U
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#define ipSIZE_OF_IPv6_ADDRESS 16U
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#define ipPROTOCOL_ICMP_IPv6 ( 58U )
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#define ipTYPE_IPv6 ( 0x60U )
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/* Some IPv6 ICMP requests. */
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#define ipICMP_DEST_UNREACHABLE_IPv6 ( ( uint8_t ) 1U )
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#define ipICMP_PACKET_TOO_BIG_IPv6 ( ( uint8_t ) 2U )
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#define ipICMP_TIME_EXEEDED_IPv6 ( ( uint8_t ) 3U )
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#define ipICMP_PARAMETER_PROBLEM_IPv6 ( ( uint8_t ) 4U )
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#define ipICMP_PING_REQUEST_IPv6 ( ( uint8_t ) 128U )
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#define ipICMP_PING_REPLY_IPv6 ( ( uint8_t ) 129U )
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#define ipICMP_ROUTER_SOLICITATION_IPv6 ( ( uint8_t ) 133U )
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#define ipICMP_ROUTER_ADVERTISEMENT_IPv6 ( ( uint8_t ) 134U )
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#define ipICMP_NEIGHBOR_SOLICITATION_IPv6 ( ( uint8_t ) 135U )
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#define ipICMP_NEIGHBOR_ADVERTISEMENT_IPv6 ( ( uint8_t ) 136U )
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#define ipIPv6_EXT_HEADER_HOP_BY_HOP 0U
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#define ipIPv6_EXT_HEADER_ROUTING_HEADER 43U
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#define ipIPv6_EXT_HEADER_FRAGMENT_HEADER 44U
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#define ipIPv6_EXT_HEADER_SECURE_PAYLOAD 50U
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#define ipIPv6_EXT_HEADER_AUTHEN_HEADER 51U
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#define ipIPv6_EXT_HEADER_DESTINATION_OPTIONS 60U
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/* Destination options may follow here in case there are no routing options. */
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#define ipIPv6_EXT_HEADER_MOBILITY_HEADER 135U
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extern const struct xIPv6_Address FreeRTOS_in6addr_any;
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extern const struct xIPv6_Address FreeRTOS_in6addr_loopback;
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/* IPv6 multicast MAC address starts with 33-33-. */
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#define ipMULTICAST_MAC_ADDRESS_IPv6_0 0x33U
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#define ipMULTICAST_MAC_ADDRESS_IPv6_1 0x33U
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/* A forward declaration of 'struct xNetworkEndPoint' and 'xNetworkInterface'.
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* The actual declaration can be found in FreeRTOS_Routing.h which is included
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* as the last +TCP header file. */
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struct xNetworkEndPoint;
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struct xNetworkInterface;
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/* The function 'prvAllowIPPacket()' checks if a IPv6 packets should be processed. */
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eFrameProcessingResult_t prvAllowIPPacketIPv6( const IPHeader_IPv6_t * const pxIPv6Header,
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const NetworkBufferDescriptor_t * const pxNetworkBuffer,
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UBaseType_t uxHeaderLength );
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/** @brief Handle the IPv6 extension headers. */
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eFrameProcessingResult_t eHandleIPv6ExtensionHeaders( NetworkBufferDescriptor_t * const pxNetworkBuffer,
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BaseType_t xDoRemove );
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extern void FreeRTOS_ClearND( void );
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/* Check whether this IPv6 address is an allowed multicast address or not. */
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BaseType_t xIsIPv6AllowedMulticast( const IPv6_Address_t * pxIPAddress );
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/* Note that 'xCompareIPv6_Address' will also check if 'pxRight' is
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* the special unicast address: ff02::1:ffnn:nnnn, where nn:nnnn are
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* the last 3 bytes of the IPv6 address. */
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BaseType_t xCompareIPv6_Address( const IPv6_Address_t * pxLeft,
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const IPv6_Address_t * pxRight,
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size_t uxPrefixLength );
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/* FreeRTOS_dnslookup6() returns pdTRUE when a host has been found. */
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uint32_t FreeRTOS_dnslookup6( const char * pcHostName,
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IPv6_Address_t * pxAddress_IPv6 );
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/* Return IPv6 header extension order number */
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BaseType_t xGetExtensionOrder( uint8_t ucProtocol,
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uint8_t ucNextHeader );
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/* *INDENT-OFF* */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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/* *INDENT-ON* */
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#endif /* FREERTOS_IP_H */
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