86 lines
3.4 KiB
C
86 lines
3.4 KiB
C
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/****************************************************************************
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* net/sixlowpan/sixlowpan_utils.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Copyright (C) 2017, Gregory Nutt, all rights reserved
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Derives from logic in Contiki:
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*
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* Copyright (c) 2008, Swedish Institute of Computer Science.
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* All rights reserved.
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* Authors: Adam Dunkels <adam@sics.se>
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* Nicolas Tsiftes <nvt@sics.se>
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* Niclas Finne <nfi@sics.se>
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* Mathilde Durvy <mdurvy@cisco.com>
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* Julien Abeille <jabeille@cisco.com>
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* Joakim Eriksson <joakime@sics.se>
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* Joel Hoglund <joel@sics.se>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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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 <string.h>
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#include "nuttx/net/sixlowpan.h"
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#include "sixlowpan/sixlowpan.h"
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#ifdef CONFIG_NET_6LOWPAN
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: sixlowpan_pktbuf_reset
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*
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* Description:
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* Reset all attributes and addresses in the packet buffer metadata in the
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* provided IEEE802.15.4 MAC driver structure.
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*
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****************************************************************************/
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void sixlowpan_pktbuf_reset(FAR struct ieee802154_driver_s *ieee)
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{
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ieee->i_dev.d_len = 0;
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ieee->i_rimeptr = 0;
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ieee->i_hdrptr = PACKETBUF_HDR_SIZE;
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memset(ieee->i_pktattrs, 0, PACKETBUF_NUM_ATTRS * sizeof(uint16_t));
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memset(ieee->i_pktaddrs, 0, PACKETBUF_NUM_ADDRS * sizeof(struct rimeaddr_s));
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}
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#endif /* CONFIG_NET_6LOWPAN */
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