mirror of
https://github.com/FreeRTOS/FreeRTOS-Plus-TCP
synced 2025-10-24 12:02:37 +08:00
96643cedf1
* Add IPv6 data path and endpoint changes to FreeRTOS_IP.c * Add FreeRTOS_IPv4.h and FreeRTOS_IPv6.h files. * Fix compilation issues and run Uncrustify
110 lines
4.1 KiB
C
110 lines
4.1 KiB
C
/*
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* FreeRTOS+TCP <DEVELOPMENT BRANCH>
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* Copyright (C) 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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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_IPV4_H
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#define FREERTOS_IPV4_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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/* Application level configuration options. */
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#include "FreeRTOSIPConfig.h"
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#include "FreeRTOSIPConfigDefaults.h"
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#include "IPTraceMacroDefaults.h"
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#define ipSIZE_OF_IPv4_HEADER 20U
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#define ipSIZE_OF_IPv4_ADDRESS 4U
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#define ipSIZE_OF_ICMPv4_HEADER 8U
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#define ipTYPE_IPv4 ( 0x40U )
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/* The number of octets in the IP addresses respectively. */
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#define ipIP_ADDRESS_LENGTH_BYTES ( 4U )
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#define ipFIRST_LOOPBACK_IPv4 0x7F000000UL /**< Lowest IPv4 loopback address (including). */
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#define ipLAST_LOOPBACK_IPv4 0x80000000UL /**< Highest IPv4 loopback address (excluding). */
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/*
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* These functions come from the IPv4-only library.
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* TODO : They should get an extra parameter, the end-point
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* void FreeRTOS_SetIPAddress( uint32_t ulIPAddress );
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* void FreeRTOS_SetNetmask( uint32_t ulNetmask );
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* void FreeRTOS_SetGatewayAddress( uint32_t ulGatewayAddress );
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* uint32_t FreeRTOS_GetGatewayAddress( void );
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* uint32_t FreeRTOS_GetDNSServerAddress( void );
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* uint32_t FreeRTOS_GetNetmask( void );
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*/
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void FreeRTOS_SetIPAddress( uint32_t ulIPAddress );
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void FreeRTOS_SetNetmask( uint32_t ulNetmask );
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void FreeRTOS_SetGatewayAddress( uint32_t ulGatewayAddress );
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uint32_t FreeRTOS_GetGatewayAddress( void );
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uint32_t FreeRTOS_GetDNSServerAddress( void );
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uint32_t FreeRTOS_GetNetmask( void );
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uint32_t FreeRTOS_GetIPAddress( void );
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void FreeRTOS_ClearARP( void );
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/* Show all valid ARP entries
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*/
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#if ( ipconfigHAS_PRINTF != 0 ) || ( ipconfigHAS_DEBUG_PRINTF != 0 )
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void FreeRTOS_PrintARPCache( void );
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#endif
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/* Return pdTRUE if the IPv4 address is a multicast address. */
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BaseType_t xIsIPv4Multicast( uint32_t ulIPAddress );
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/* The function 'prvAllowIPPacket()' checks if a packets should be processed. */
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static eFrameProcessingResult_t prvAllowIPPacketIPv4( const IPPacket_t * const pxIPPacket,
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const NetworkBufferDescriptor_t * const pxNetworkBuffer,
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UBaseType_t uxHeaderLength );
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/* xARPWaitResolution checks if an IPv4 address is already known. If not
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* it may send an ARP request and wait for a reply. This function will
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* only be called from an application. */
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BaseType_t xARPWaitResolution( uint32_t ulIPAddress,
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TickType_t uxTicksToWait );
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/* Check if the IP-header is carrying options. */
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static eFrameProcessingResult_t prvCheckIP4HeaderOptions( NetworkBufferDescriptor_t * const pxNetworkBuffer );
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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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