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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Internet Control Message Protocol (ICMP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_icmp.h"
#include "nx_ip.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_icmp_ping PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function finds a suitable interface and calls interface ping. */
/* */
/* 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_ip_route_find Find suitable interface */
/* _nx_icmp_interface_ping Send ping packet */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_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
ULONG next_hop_address;
NX_INTERFACE *interface_ptr = NX_NULL;
/* Find a suitable interface for sending the ping packet. */
if (_nx_ip_route_find(ip_ptr, ip_address, &interface_ptr, &next_hop_address) != NX_SUCCESS)
{
/* No suitable interface configured. */
/* Clear the destination pointer. */
*response_ptr = NX_NULL;
/* Return the error status. */
return(NX_IP_ADDRESS_ERROR);
}
/* Call interface ping service. */
/*lint -e{644} suppress variable might not be initialized, since "interface_ptr" and "next_hop_address" were initialized in _nx_ip_route_find. */
return(_nx_icmp_interface_ping(ip_ptr, ip_address, interface_ptr, next_hop_address,
data_ptr, data_size, response_ptr, wait_option));
#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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