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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 */
/** */
/** Address Resolution Protocol (ARP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_arp.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_arp_info_get PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function obtains ARP information for the specified IP */
/* instance. */
/* */
/* INPUT */
/* */
/* ip_ptr IP instance pointer */
/* arp_requests_sent Destination for number of ARP */
/* requests sent */
/* arp_requests_received Destination for number of ARP */
/* requests received */
/* arp_responses_sent Destination for number of ARP */
/* responses sent */
/* arp_responses_received Destination for number of ARP */
/* responses received */
/* arp_dynamic_entries Destination for number of ARP */
/* dynamic entries */
/* arp_static_entries Destination for number of ARP */
/* static entries */
/* arp_aged_entries Destination for number of ARP */
/* aged entries */
/* arp_invalid_messages Destination for number of ARP */
/* invalid messages */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* tx_mutex_get Obtain protection mutex */
/* tx_mutex_put Release protection mutex */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_arp_info_get(NX_IP *ip_ptr, ULONG *arp_requests_sent, ULONG *arp_requests_received,
ULONG *arp_responses_sent, ULONG *arp_responses_received,
ULONG *arp_dynamic_entries, ULONG *arp_static_entries,
ULONG *arp_aged_entries, ULONG *arp_invalid_messages)
{
#ifndef NX_DISABLE_IPV4
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NX_TRACE_ARP_INFO_GET, ip_ptr, ip_ptr -> nx_ip_arp_requests_sent, ip_ptr -> nx_ip_arp_responses_received, ip_ptr -> nx_ip_arp_requests_received, NX_TRACE_ARP_EVENTS, 0, 0);
/* Obtain protection on this IP instance. */
tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER);
/* Determine if ARP requests sent is wanted. */
if (arp_requests_sent)
{
/* Return the number of ARP requests sent by this IP instance. */
*arp_requests_sent = ip_ptr -> nx_ip_arp_requests_sent;
}
/* Determine if ARP requests received is wanted. */
if (arp_requests_received)
{
/* Return the number of ARP requests received by this IP instance. */
*arp_requests_received = ip_ptr -> nx_ip_arp_requests_received;
}
/* Determine if ARP responses sent is wanted. */
if (arp_responses_sent)
{
/* Return the number of ARP responses sent by this IP instance. */
*arp_responses_sent = ip_ptr -> nx_ip_arp_responses_sent;
}
/* Determine if ARP responses received is wanted. */
if (arp_responses_received)
{
/* Return the number of ARP responses received by this IP instance. */
*arp_responses_received = ip_ptr -> nx_ip_arp_responses_received;
}
/* Determine if ARP dynamic entries is wanted. */
if (arp_dynamic_entries)
{
/* Return the number of ARP dynamic entries in this IP instance. */
*arp_dynamic_entries = ip_ptr -> nx_ip_arp_dynamic_active_count;
}
/* Determine if ARP static entries is wanted. */
if (arp_static_entries)
{
/* Return the number of ARP static entries in this IP instance. */
*arp_static_entries = ip_ptr -> nx_ip_arp_static_entries;
}
/* Determine if ARP aged entries is wanted. */
if (arp_aged_entries)
{
/* Return the number of ARP aged entries by this IP instance. */
*arp_aged_entries = ip_ptr -> nx_ip_arp_aged_entries;
}
/* Determine if ARP invalid messages is wanted. */
if (arp_invalid_messages)
{
/* Return the number of ARP invalid messages handled by this IP instance. */
*arp_invalid_messages = ip_ptr -> nx_ip_arp_invalid_messages;
}
/* Release the protection. */
tx_mutex_put(&(ip_ptr -> nx_ip_protection));
/* Return status to the caller. */
return(NX_SUCCESS);
#else /* NX_DISABLE_IPV4 */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(arp_requests_sent);
NX_PARAMETER_NOT_USED(arp_requests_received);
NX_PARAMETER_NOT_USED(arp_responses_sent);
NX_PARAMETER_NOT_USED(arp_responses_received);
NX_PARAMETER_NOT_USED(arp_dynamic_entries);
NX_PARAMETER_NOT_USED(arp_static_entries);
NX_PARAMETER_NOT_USED(arp_aged_entries);
NX_PARAMETER_NOT_USED(arp_invalid_messages);
return(NX_NOT_SUPPORTED);
#endif /* !NX_DISABLE_IPV4 */
}
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