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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 */
/** */
/** Reverse Address Resolution Protocol (RARP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_ip.h"
#include "nx_rarp.h"
/* Bring in externs for caller checking code. */
NX_CALLER_CHECKING_EXTERNS
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxe_rarp_info_get PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the RARP information get */
/* function call. */
/* */
/* INPUT */
/* */
/* ip_ptr IP instance pointer */
/* rarp_requests_sent Destination for the number of */
/* RARP requests sent */
/* rarp_responses_received Destination for the number of */
/* RARP responses received */
/* rarp_invalid_messages Destination for the number of */
/* RARP invalid messages (or */
/* unhandled) */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_rarp_info_get Actual RARP information get */
/* function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nxe_rarp_info_get(NX_IP *ip_ptr, ULONG *rarp_requests_sent, ULONG *rarp_responses_received,
ULONG *rarp_invalid_messages)
{
#ifndef NX_DISABLE_IPV4
UINT status;
/* Check for invalid input pointers. */
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID))
{
return(NX_PTR_ERROR);
}
/* Check to see if RARP is enabled. */
if ((!ip_ptr -> nx_ip_rarp_queue_process) && (ip_ptr -> nx_ip_rarp_responses_received == 0))
{
return(NX_NOT_ENABLED);
}
/* Check for appropriate caller. */
NX_INIT_AND_THREADS_CALLER_CHECKING
/* Call actual RARP information get function. */
status = _nx_rarp_info_get(ip_ptr, rarp_requests_sent, rarp_responses_received, rarp_invalid_messages);
/* Return completion status. */
return(status);
#else /* NX_DISABLE_IPV4 */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(rarp_requests_sent);
NX_PARAMETER_NOT_USED(rarp_responses_received);
NX_PARAMETER_NOT_USED(rarp_invalid_messages);
return(NX_NOT_SUPPORTED);
#endif /* !NX_DISABLE_IPV4 */
}
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