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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 */
/* */
/* _nxe_icmp_ping PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the 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 */
/* */
/* _nx_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 _nxe_icmp_ping(NX_IP *ip_ptr, ULONG ip_address,
CHAR *data_ptr, ULONG data_size,
NX_PACKET **response_ptr, ULONG wait_option)
{
#ifndef NX_DISABLE_IPV4
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);
}
/* Check for invalid IP address. */
if (!ip_address)
{
return(NX_IP_ADDRESS_ERROR);
}
/* Check to see if ICMP is enabled. */
if (!ip_ptr -> nx_ip_icmp_packet_receive)
{
return(NX_NOT_ENABLED);
}
/* Check for appropriate caller. */
NX_THREADS_ONLY_CALLER_CHECKING
/* Call actual ICMP ping function. */
status = _nx_icmp_ping(ip_ptr, ip_address, data_ptr, data_size,
response_ptr, wait_option);
/* Return completion status. */
return(status);
#else /* NX_DISABLE_IPV4 */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(ip_address);
NX_PARAMETER_NOT_USED(data_ptr);
NX_PARAMETER_NOT_USED(data_size);
NX_PARAMETER_NOT_USED(response_ptr);
NX_PARAMETER_NOT_USED(wait_option);
return(NX_NOT_SUPPORTED);
#endif /* !NX_DISABLE_IPV4 */
}
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