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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 */
/** */
/** Neighbor Discovery Cache */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_nd_cache.h"
#ifdef FEATURE_NX_IPV6
#include "nx_ip.h"
#include "nx_ipv6.h"
/* Bring in externs for caller checking code. */
NX_CALLER_CHECKING_EXTERNS
#endif /* FEATURE_NX_IPV6 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxde_ipv6_nd_cache_entry_set PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function performs error checking for the service that adds an */
/* IPv6-MAC mapped entry to the neighbor discovery cache. */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to the IP instance */
/* dest_ip Pointer to the IP address */
/* to add (map) */
/* interface_index Index to the network */
/* interface */
/* mac Pointer to the MAC address to */
/* be added (map) */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nxd_nd_cache_entry_set Actual function to add an */
/* entry to the cache. */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nxde_nd_cache_entry_set(NX_IP *ip_ptr, ULONG *dest_ip, UINT interface_index, CHAR *mac)
{
#ifdef FEATURE_NX_IPV6
/* Check for validate user input. */
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) || (dest_ip == NX_NULL) || (mac == NX_NULL))
{
return(NX_PTR_ERROR);
}
/* Validate the interface. */
if (interface_index >= NX_MAX_PHYSICAL_INTERFACES)
{
return(NX_INVALID_INTERFACE);
}
/* Check for appropriate caller. */
NX_INIT_AND_THREADS_CALLER_CHECKING
/* Call the actual service and return completion status. */
return(_nxd_nd_cache_entry_set(ip_ptr, dest_ip, interface_index, mac));
#else /* !FEATURE_NX_IPV6 */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(dest_ip);
NX_PARAMETER_NOT_USED(interface_index);
NX_PARAMETER_NOT_USED(mac);
return(NX_NOT_SUPPORTED);
#endif /* FEATURE_NX_IPV6 */
}
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