common/src/nx_ip_delete_queue_clear.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_ip.h"
#include "nx_packet.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _nx_ip_delete_queue_clear                           PORTABLE C      */
/*                                                           6.4.3        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Yuxin Zhou, Microsoft Corporation                                   */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function releases all packets in a packet queue.               */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    head_ptr                              Pointer to head of queue      */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _nx_packet_release                    Release data packet           */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application                                                         */
/*                                                                        */
/**************************************************************************/
VOID  _nx_ip_delete_queue_clear(NX_PACKET *head_ptr)
{

NX_PACKET *next_packet;
NX_PACKET *current_packet;


    /* Setup next packet to queue head.  */
    next_packet =  head_ptr;

    /* Release any raw IP packets queued up.  */
    while (next_packet)
    {

        /* Setup the current packet pointer.  */
        current_packet =  next_packet;

        /* Move to the next packet.  */
        next_packet =  next_packet -> nx_packet_queue_next;

        /* Release the current packet.  */
        _nx_packet_release(current_packet);
    }
}