/* * Copyright (c) 2014, SICS Swedish ICT. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * This file is part of the Contiki operating system. * */ /** * \addtogroup tsch * @{ */ #ifndef __TSCH_PACKET_H__ #define __TSCH_PACKET_H__ /********** Includes **********/ #include "contiki.h" #include "net/mac/framer/frame802154.h" #include "net/mac/framer/frame802154e-ie.h" /********** Functions *********/ /* Construct enhanced ACK packet and return ACK length */ int tsch_packet_create_eack(uint8_t *buf, uint16_t buf_size, const linkaddr_t *dest_addr, uint8_t seqno, int16_t drift, int nack); /* Parse enhanced ACK packet, extract drift and nack */ int tsch_packet_parse_eack(const uint8_t *buf, int buf_size, uint8_t seqno, frame802154_t *frame, struct ieee802154_ies *ies, uint8_t *hdr_len); /* Create an EB packet */ int tsch_packet_create_eb(uint8_t *hdr_len, uint8_t *tsch_sync_ie_ptr); /* Update ASN in EB packet */ int tsch_packet_update_eb(uint8_t *buf, int buf_size, uint8_t tsch_sync_ie_offset); /* Parse EB and extract ASN and join priority */ int tsch_packet_parse_eb(const uint8_t *buf, int buf_size, frame802154_t *frame, struct ieee802154_ies *ies, uint8_t *hdrlen, int frame_without_mic); #endif /* __TSCH_PACKET_H__ */ /** @} */