common/src/nxde_ipv6_disable.c


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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_disable                                   PORTABLE C     */
/*                                                           6.4.3        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Yuxin Zhou, Microsoft Corporation                                   */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks for errors in the ipv6 disable function        */
/*    call.                                                               */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    ip_ptr                                IP instance pointer           */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Actual completion status      */
/*    NX_PTR_ERROR                          Invalid pointer input         */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _nxdipv6_disable                      Actual IPv6 disable function  */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/**************************************************************************/
UINT  _nxde_ipv6_disable(NX_IP *ip_ptr)
{
#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);
    }

    /* Check for appropriate caller.  */
    NX_INIT_AND_THREADS_CALLER_CHECKING

    /* Call actual IPv6 disable function.  */
    status =  _nxd_ipv6_disable(ip_ptr);

    /* Return completion status.  */
    return(status);

#else /* ! FEATURE_NX_IPV6 */
    NX_PARAMETER_NOT_USED(ip_ptr);
    return(NX_NOT_SUPPORTED);

#endif /* FEATURE_NX_IPV6 */
}