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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 (IP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_ipv6.h"
#ifdef FEATURE_NX_IPV6
#include "nx_ip.h"
/* Bring in externs for caller checking code. */
NX_CALLER_CHECKING_EXTERNS
#endif /* FEATURE_NX_IPV6 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxde_ipv6_address_set PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the IP address set */
/* function call. */
/* */
/* INPUT */
/* */
/* ip_ptr IP control block pointer */
/* interface_index The index to the physical */
/* interface this address */
/* belongs to */
/* ip_address Pointer to IP address */
/* structure */
/* prefix_length Prefix length */
/* address_index Index to the IPv6 address */
/* table */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* IPv6_Address_Type Find IPv6 address type. */
/* _nxd_ipv6_address_set Actual IP address set function*/
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nxde_ipv6_address_set(NX_IP *ip_ptr, UINT if_index, NXD_ADDRESS *ip_address, ULONG prefix_length, UINT *address_index)
{
#ifdef FEATURE_NX_IPV6
UINT status;
ULONG AddressType;
/* Check for invalid input pointers. */
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID))
{
return(NX_PTR_ERROR);
}
/* Check for invalid IP addresses. */
/* (Do not apply to autoconfigured linklocal addresses) */
if ((ip_address != NULL) && (prefix_length != 10))
{
/* A non null IP address must have the version set. */
if (ip_address -> nxd_ip_version != NX_IP_VERSION_V6)
{
return(NX_IP_ADDRESS_ERROR);
}
}
if ((if_index >= NX_MAX_PHYSICAL_INTERFACES) ||
(ip_ptr -> nx_ip_interface[if_index].nx_interface_valid != NX_TRUE))
{
return(NX_INVALID_INTERFACE);
}
/* Make sure the address is unicast address. */
/* Find out the type of the incoming IP address. */
if (ip_address)
{
AddressType = IPv6_Address_Type(ip_address -> nxd_ip_address.v6);
if ((AddressType & IPV6_ADDRESS_UNICAST) == 0)
{
return(NX_IP_ADDRESS_ERROR);
}
}
/* Check for appropriate caller. */
NX_INIT_AND_THREADS_CALLER_CHECKING
/* Call actual IP address set function. */
status = _nxd_ipv6_address_set(ip_ptr, if_index, ip_address, prefix_length, address_index);
/* Return completion status. */
return(status);
#else /* !FEATURE_NX_IPV6 */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(if_index);
NX_PARAMETER_NOT_USED(ip_address);
NX_PARAMETER_NOT_USED(prefix_length);
NX_PARAMETER_NOT_USED(address_index);
return(NX_NOT_SUPPORTED);
#endif /* FEATURE_NX_IPV6 */
}
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