mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-16 07:28:57 +00:00
reset so that a new probing period can produce more up-to-date estimates. Added a congestion mechanism whereby a neighbor can be marked as being congested for a period of time, during which the ETX for the neighbor will be artificially inflated.
107 lines
4.1 KiB
C
107 lines
4.1 KiB
C
/**
|
|
* \addtogroup rime
|
|
* @{
|
|
*/
|
|
/**
|
|
* \defgroup rimeneighbor Collect neighbor management
|
|
* @{
|
|
*
|
|
* The neighbor module manages the neighbor table that is used by the
|
|
* Collect module.
|
|
*/
|
|
/*
|
|
* Copyright (c) 2006, Swedish Institute of Computer Science.
|
|
* 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.
|
|
*
|
|
* $Id: collect-neighbor.h,v 1.6 2010/10/11 23:38:46 adamdunkels Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Header file for the Contiki radio neighborhood management
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#ifndef __COLLECT_NEIGHBOR_H__
|
|
#define __COLLECT_NEIGHBOR_H__
|
|
|
|
#include "net/rime/rimeaddr.h"
|
|
#include "net/rime/collect-link-estimate.h"
|
|
#include "lib/list.h"
|
|
|
|
struct collect_neighbor_list {
|
|
LIST_STRUCT(list);
|
|
struct ctimer periodic;
|
|
};
|
|
|
|
struct collect_neighbor {
|
|
struct collect_neighbor *next;
|
|
rimeaddr_t addr;
|
|
uint16_t rtmetric;
|
|
uint16_t age;
|
|
uint16_t le_age;
|
|
struct collect_link_estimate le;
|
|
struct timer congested_timer;
|
|
};
|
|
|
|
void collect_neighbor_init(void);
|
|
|
|
list_t collect_neighbor_list(struct collect_neighbor_list *neighbor_list);
|
|
|
|
void collect_neighbor_list_new(struct collect_neighbor_list *neighbor_list);
|
|
|
|
int collect_neighbor_list_add(struct collect_neighbor_list *neighbor_list,
|
|
const rimeaddr_t *addr, uint16_t rtmetric);
|
|
void collect_neighbor_list_remove(struct collect_neighbor_list *neighbor_list,
|
|
const rimeaddr_t *addr);
|
|
struct collect_neighbor *collect_neighbor_list_find(struct collect_neighbor_list *neighbor_list,
|
|
const rimeaddr_t *addr);
|
|
struct collect_neighbor *collect_neighbor_list_best(struct collect_neighbor_list *neighbor_list);
|
|
int collect_neighbor_list_num(struct collect_neighbor_list *neighbor_list);
|
|
struct collect_neighbor *collect_neighbor_list_get(struct collect_neighbor_list *neighbor_list, int num);
|
|
void collect_neighbor_list_purge(struct collect_neighbor_list *neighbor_list);
|
|
|
|
void collect_neighbor_update_rtmetric(struct collect_neighbor *n,
|
|
uint16_t rtmetric);
|
|
void collect_neighbor_tx(struct collect_neighbor *n, uint16_t num_tx);
|
|
void collect_neighbor_rx(struct collect_neighbor *n);
|
|
void collect_neighbor_tx_fail(struct collect_neighbor *n, uint16_t num_tx);
|
|
void collect_neighbor_set_congested(struct collect_neighbor *n);
|
|
int collect_neighbor_is_congested(struct collect_neighbor *n);
|
|
|
|
uint16_t collect_neighbor_link_estimate(struct collect_neighbor *n);
|
|
uint16_t collect_neighbor_rtmetric_link_estimate(struct collect_neighbor *n);
|
|
uint16_t collect_neighbor_rtmetric(struct collect_neighbor *n);
|
|
|
|
|
|
#endif /* __COLLECT_NEIGHBOR_H__ */
|
|
/** @} */
|
|
/** @} */
|