netxduo
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Outline
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#define NX_SOURCE_CODE
#include "nx_api.h"
#include "nx_udp.h"
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_nxe_udp_packet_info_extract(NX_PACKET *, ULONG *, UINT *, UINT *, UINT *)
Files
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SourceVuSTM32 Libraries and Samplesnetxduocommon/src/nxe_udp_packet_info_extract.c
 
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/**************************************************************************/ /* */ /* Copyright (c) Microsoft Corporation. All rights reserved. */ /* */ /* This software is licensed under the Microsoft Software License */ /* Terms for Microsoft Azure RTOS. Full text of the license can be */ /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ /* and in the root directory of this software. */ /* */... /**************************************************************************/ ... /**************************************************************************/ /**************************************************************************/ /** */ /** NetX Component */ /** */ /** User Datagram Protocol (UDP) */ /** */... /**************************************************************************/ /**************************************************************************/ #define NX_SOURCE_CODE /* Include necessary system files. */ #include "nx_api.h" #include "nx_udp.h" /* Bring in externs for caller checking code. */ NX_CALLER_CHECKING_EXTERNS... /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _nxe_udp_pacekt_info_extract PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Yuxin Zhou, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function performs error checking for UDP packet info extract */ /* service. */ /* */ /* INPUT */ /* */ /* packet_ptr Pointer to UDP packet pointer */ /* ip_address Pointer to destination for IP */ /* address, or NULL */ /* protocol Pointer to destination for */ /* protocol information, or */ /* NULL */ /* port Pointer to destination for */ /* source port. This service */ /* always returns 17 (UDP), or */ /* NULL */ /* interface_index Pointer to destination for */ /* incoming interface ID, or */ /* NULL */ /* */ /* OUTPUT */ /* */ /* status Completion status */ /* */ /* CALLS */ /* */ /* _nx_udp_packet_info_extract The actual service routine. */ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Yuxin Zhou Initial Version 6.0 */ /* 09-30-2020 Yuxin Zhou Modified comment(s), */ /* resulting in version 6.1 */ /* */... /**************************************************************************/ UINT _nxe_udp_packet_info_extract(NX_PACKET *packet_ptr, ULONG *ip_address, UINT *protocol, UINT *port, UINT *interface_index) { #ifndef NX_DISABLE_IPV4 UINT status; if (packet_ptr == NX_NULL) { return(NX_PTR_ERROR); }if (packet_ptr == NX_NULL) { ... } /* Check for appropriate caller. */ NX_THREADS_ONLY_CALLER_CHECKING status = _nx_udp_packet_info_extract(packet_ptr, ip_address, protocol, port, interface_index); return(status);/* ... */ #else NX_PARAMETER_NOT_USED(packet_ptr); NX_PARAMETER_NOT_USED(ip_address); NX_PARAMETER_NOT_USED(protocol); NX_PARAMETER_NOT_USED(port); NX_PARAMETER_NOT_USED(interface_index); return(NX_NOT_SUPPORTED);/* ... */ #endif /* NX_DISABLE_IPV4 */ }{ ... }
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