59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
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/****************************************************************************
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* mm/iob/iob_get_queue_size.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/mm/iob.h>
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#include "iob.h"
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#if CONFIG_IOB_NCHAINS > 0
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: iob_get_queue_size
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*
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* Description:
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* Queue helper for get the iob queue buffer size.
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*
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****************************************************************************/
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unsigned int iob_get_queue_size(FAR struct iob_queue_s *queue)
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{
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FAR struct iob_qentry_s *iobq;
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unsigned int total = 0;
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FAR struct iob_s *iob;
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for (iobq = queue->qh_head; iobq != NULL; iobq = iobq->qe_flink)
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{
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iob = iobq->qe_head;
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total += iob->io_pktlen;
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}
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return total;
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}
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#endif /* CONFIG_IOB_NCHAINS > 0 */
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