netxduo
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Outline
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#define NX_SOURCE_CODE
#include "nx_api.h"
#include "nx_ip.h"
#include "nx_icmp.h"
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_nxde_icmp_ping(NX_IP *, NXD_ADDRESS *, CHAR *, ULONG, NX_PACKET **, ULONG)
Files
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SourceVuSTM32 Libraries and Samplesnetxduocommon/src/nxde_icmp_ping.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 */ /** */ /** Internet Control Message Protocol (ICMP) */ /** */... /**************************************************************************/ /**************************************************************************/ #define NX_SOURCE_CODE /* Include necessary system files. */ #include "nx_api.h" #include "nx_ip.h" #include "nx_icmp.h" /* Bring in externs for caller checking code. */ NX_CALLER_CHECKING_EXTERNS ... /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _nxde_icmp_ping PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Yuxin Zhou, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function checks for errors in the dual stack (IPv4 or IPv6 ICMP*/ /* ping function call. */ /* */ /* INPUT */ /* */ /* ip_ptr Pointer to IP instance */ /* ip_address IP address to ping */ /* data_ptr User Data pointer */ /* data_size Size of User Data */ /* response_ptr Pointer to Response Packet */ /* wait_option Suspension option */ /* */ /* OUTPUT */ /* */ /* None */ /* */ /* CALLS */ /* */ /* _nxd_icmp_ping Actual ICMP ping function */ /* */ /* 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 _nxde_icmp_ping(NX_IP *ip_ptr, NXD_ADDRESS *ip_address, CHAR *data_ptr, ULONG data_size, NX_PACKET **response_ptr, ULONG wait_option) { UINT status; /* Check for invalid input pointers. */ if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) || (response_ptr == NX_NULL)) { return(NX_PTR_ERROR); }if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) || (response_ptr == NX_NULL)) { ... } /* Check for invalid IP address. */ if (ip_address == NX_NULL) { return(NX_IP_ADDRESS_ERROR); }if (ip_address == NX_NULL) { ... } /* Check for invalid version. */ if ((ip_address -> nxd_ip_version != NX_IP_VERSION_V4) && (ip_address -> nxd_ip_version != NX_IP_VERSION_V6)) { return(NX_IP_ADDRESS_ERROR); }if ((ip_address -> nxd_ip_version != NX_IP_VERSION_V4) && (ip_address -> nxd_ip_version != NX_IP_VERSION_V6)) { ... } #ifndef NX_DISABLE_IPV4 /* Check to see if ICMP is enabled. */ /* Cast the function pointer into a ULONG. Since this is exactly what we wish to do, disable the lint warning with the following comment: */ /*lint -e{923} suppress cast of pointer to ULONG. */ if ((ip_address -> nxd_ip_version == NX_IP_VERSION_V4) && ((ALIGN_TYPE)ip_ptr -> nx_ip_icmpv4_packet_process == NX_NULL)) { return(NX_NOT_ENABLED); }if ((ip_address -> nxd_ip_version == NX_IP_VERSION_V4) && ((ALIGN_TYPE)ip_ptr -> nx_ip_icmpv4_packet_process == NX_NULL)) { ... } /* ... */#endif /* !NX_DISABLE_IPV4 */ #ifdef FEATURE_NX_IPV6 if (ip_address -> nxd_ip_version == NX_IP_VERSION_V6) { /* Cast the function pointer into a ULONG. Since this is exactly what we wish to do, disable the lint warning with the following comment: */ /*lint -e{923} suppress cast of pointer to ULONG. */ if (((ALIGN_TYPE)ip_ptr -> nx_ip_icmpv6_packet_process == NX_NULL) || ((ALIGN_TYPE)ip_ptr -> nx_ipv6_packet_receive == NX_NULL)) { return(NX_NOT_ENABLED); }if (((ALIGN_TYPE)ip_ptr -> nx_ip_icmpv6_packet_process == NX_NULL) || ((ALIGN_TYPE)ip_ptr -> nx_ipv6_packet_receive == NX_NULL)) { ... } }if (ip_address -> nxd_ip_version == NX_IP_VERSION_V6) { ... } /* ... */ #endif /* FEATURE_NX_IPV6 */ /* Check for appropriate caller. */ NX_THREADS_ONLY_CALLER_CHECKING /* Call actual ICMP ping function. */ status = _nxd_icmp_ping(ip_ptr, ip_address, data_ptr, data_size, response_ptr, wait_option); /* Return completion status. */ return(status); }{ ... }
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