89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
/*
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* Copyright (c) 2011, Loughborough University - Computer Science
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* All rights reserved.
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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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* This file is part of the Contiki operating system.
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*/
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/**
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* \addtogroup uip-multicast
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* @{
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*/
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/**
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* \defgroup smrf-multicast 'Stateless Multicast RPL Forwarding' (SMRF)
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*
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* SMRF will only work in RPL networks in MOP 3 "Storing with Multicast"
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* @{
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*/
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/**
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* \file
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* Header file for the SMRF forwarding engine
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*
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* \author
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* George Oikonomou - <oikonomou@users.sourceforge.net>
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*/
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#ifndef SMRF_H_
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#define SMRF_H_
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#include "contiki.h"
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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/* Configuration */
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/*---------------------------------------------------------------------------*/
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/* Fmin */
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#ifdef SMRF_CONF_MIN_FWD_DELAY
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#define SMRF_MIN_FWD_DELAY SMRF_CONF_MIN_FWD_DELAY
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#else
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#define SMRF_MIN_FWD_DELAY 4
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#endif
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/* Max Spread */
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#ifdef SMRF_CONF_MAX_SPREAD
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#define SMRF_MAX_SPREAD SMRF_CONF_MAX_SPREAD
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#else
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#define SMRF_MAX_SPREAD 4
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#endif
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/*---------------------------------------------------------------------------*/
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/* Stats datatype */
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/*---------------------------------------------------------------------------*/
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struct smrf_stats {
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uint16_t mcast_in_unique;
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uint16_t mcast_in_all; /* At layer 3 */
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uint16_t mcast_in_ours; /* Unique and we are a group member */
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uint16_t mcast_fwd; /* Forwarded by us but we are not the seed */
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uint16_t mcast_out; /* We are the seed */
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uint16_t mcast_bad;
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uint16_t mcast_dropped;
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};
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/*---------------------------------------------------------------------------*/
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#endif /* SMRF_H_ */
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/*---------------------------------------------------------------------------*/
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/** @} */
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/** @} */
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