/***************************************************************************
 * 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                                                        */
/**                                                                       */
/**   Packet Pool Management (Packet)                                     */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define NX_SOURCE_CODE


/* Include necessary system files.  */

#include "nx_api.h"
#include "nx_packet.h"

/* Bring in externs for caller checking code.  */

NX_CALLER_CHECKING_EXTERNS


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _nxe_packet_pool_info_get                           PORTABLE C      */
/*                                                           6.4.3        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Yuxin Zhou, Microsoft Corporation                                   */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks for errors in the packet pool information get  */
/*    function call.                                                      */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    pool_ptr                              Pool to get information from  */
/*    total_packets                         Destination for total packets */
/*    free_packets                          Destination for free packets  */
/*    empty_pool_requests                   Destination for empty requests*/
/*    empty_pool_suspensions                Destination for empty         */
/*                                            suspensions                 */
/*    invalid_packet_releases               Destination for invalid packet*/
/*                                            release requests            */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _nx_packet_pool_info_get              Actual packet pool info get   */
/*                                            function                    */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/**************************************************************************/
UINT  _nxe_packet_pool_info_get(NX_PACKET_POOL *pool_ptr, ULONG *total_packets, ULONG *free_packets,
                                ULONG *empty_pool_requests, ULONG *empty_pool_suspensions,
                                ULONG *invalid_packet_releases)
{

UINT status;


    /* Check for invalid input pointers.  */
    if ((pool_ptr == NX_NULL) || (pool_ptr -> nx_packet_pool_id != NX_PACKET_POOL_ID))
    {
        return(NX_PTR_ERROR);
    }

    /* Check for appropriate caller.  */
    NX_NOT_ISR_CALLER_CHECKING

    /* Call actual packet pool information get function.  */
    status =  _nx_packet_pool_info_get(pool_ptr, total_packets, free_packets, empty_pool_requests,
                                       empty_pool_suspensions, invalid_packet_releases);

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