88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/**
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* \addtogroup rime
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* @{
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*/
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/**
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* \defgroup rimeneighbor Rime neighbor management
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* @{
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*
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* The neighbor module manages the neighbor table.
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*/
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/*
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* Copyright (c) 2006, Swedish Institute of 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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* $Id: neighbor.h,v 1.12 2009/11/08 19:40:17 adamdunkels Exp $
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*/
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/**
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* \file
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* Header file for the Contiki radio neighborhood management
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#ifndef __NEIGHBOR_H__
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#define __NEIGHBOR_H__
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#include "net/rime/rimeaddr.h"
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#define NEIGHBOR_ETX_SCALE 16
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#define NEIGHBOR_NUM_ETXS 8
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struct neighbor {
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struct neighbor *next;
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uint16_t time;
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rimeaddr_t addr;
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uint16_t rtmetric;
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uint8_t etxptr;
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uint8_t etxs[NEIGHBOR_NUM_ETXS];
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};
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void neighbor_init(void);
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/*void neighbor_periodic(int max_time);*/
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void neighbor_add(const rimeaddr_t *addr, uint8_t rtmetric, uint8_t etx);
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void neighbor_update(struct neighbor *n, uint8_t rtmetric);
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void neighbor_update_etx(struct neighbor *n, uint8_t etx);
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void neighbor_timedout_etx(struct neighbor *n, uint8_t etx);
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void neighbor_remove(const rimeaddr_t *addr);
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struct neighbor *neighbor_find(const rimeaddr_t *addr);
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struct neighbor *neighbor_best(void);
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void neighbor_set_lifetime(int seconds);
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uint8_t neighbor_etx(struct neighbor *n);
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int neighbor_num(void);
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struct neighbor *neighbor_get(int num);
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#endif /* __NEIGHBOR_H__ */
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/** @} */
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/** @} */
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