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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_rarp.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_rarp_info_get PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function obtains RARP information for the specified IP */
/* instance. */
/* */
/* 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 */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_rarp_info_get(NX_IP *ip_ptr, ULONG *rarp_requests_sent, ULONG *rarp_responses_received,
ULONG *rarp_invalid_messages)
{
#ifndef NX_DISABLE_IPV4
TX_INTERRUPT_SAVE_AREA
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NX_TRACE_RARP_INFO_GET, ip_ptr, ip_ptr -> nx_ip_rarp_requests_sent, ip_ptr -> nx_ip_rarp_responses_received, ip_ptr -> nx_ip_rarp_invalid_messages, NX_TRACE_RARP_EVENTS, 0, 0);
/* Disable interrupts. */
TX_DISABLE
/* Determine if RARP requests sent is wanted. */
if (rarp_requests_sent)
{
/* Return the number of RARP requests sent by this IP instance. */
*rarp_requests_sent = ip_ptr -> nx_ip_rarp_requests_sent;
}
/* Determine if RARP responses received is wanted. */
if (rarp_responses_received)
{
/* Return the number of RARP responses received by this IP instance. */
*rarp_responses_received = ip_ptr -> nx_ip_rarp_responses_received;
}
/* Determine if RARP invalid (or unhandled) messages is wanted. */
if (rarp_invalid_messages)
{
/* Return the number of RARP invalid messages received by this IP instance. */
*rarp_invalid_messages = ip_ptr -> nx_ip_rarp_invalid_messages;
}
/* Restore interrupts. */
TX_RESTORE
/* Return successful completion. */
return(NX_SUCCESS);
#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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