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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 Protocol version 6 Default Router Table (IPv6 router) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_ipv6.h"
#ifdef FEATURE_NX_IPV6
#include "nx_ip.h"
#include "nx_nd_cache.h"
/* Bring in externs for caller checking code. */
NX_CALLER_CHECKING_EXTERNS
#endif /* FEATURE_NX_IPV6 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxde_ipv6_default_router_entry_get PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function performs error checking for the default router entry */
/* get service. */
/* */
/* INPUT */
/* */
/* ip_ptr IP instance pointer */
/* interface_index Index to the interface */
/* router_addr Router IPv6 Address */
/* router_lifetime Pointer to router life time */
/* prefix_length Pointer to prefix length */
/* configuration_method Pointer to the information */
/* on how the entry was */
/* configured */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nxd_ipv6_default_router_entry_get */
/* */
/* CALLED BY */
/* */
/* Application code */
/* */
/* NOTE */
/* */
/* */
/* This function cannot be called from ISR. */
/* */
/**************************************************************************/
UINT _nxde_ipv6_default_router_entry_get(NX_IP *ip_ptr, UINT interface_index, UINT entry_index,
NXD_ADDRESS *router_addr, ULONG *router_lifetime,
ULONG *prefix_length, ULONG *configuration_method)
{
#ifdef FEATURE_NX_IPV6
UINT status;
/* Check for invalid input pointers. */
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID))
{
return(NX_PTR_ERROR);
}
/* Validate the interface. */
if (interface_index >= NX_MAX_PHYSICAL_INTERFACES)
{
return(NX_INVALID_INTERFACE);
}
/* Validate the interface. */
if (entry_index >= NX_IPV6_DEFAULT_ROUTER_TABLE_SIZE)
{
return(NX_INVALID_INTERFACE);
}
/* Check for appropriate caller. */
NX_INIT_AND_THREADS_CALLER_CHECKING
/* Call actual IPv6 default router entry get function. */
status = _nxd_ipv6_default_router_entry_get(ip_ptr, interface_index, entry_index, router_addr,
router_lifetime, prefix_length, configuration_method);
/* Return completion status. */
return(status);
#else /* !FEATURE_NX_IPV6 */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(interface_index);
NX_PARAMETER_NOT_USED(entry_index);
NX_PARAMETER_NOT_USED(router_addr);
NX_PARAMETER_NOT_USED(router_lifetime);
NX_PARAMETER_NOT_USED(prefix_length);
NX_PARAMETER_NOT_USED(configuration_method);
return(NX_NOT_SUPPORTED);
#endif /* FEATURE_NX_IPV6 */
}
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