Split the RPL header into a private and a public header.
This commit is contained in:
nvt
parent
0fd6dea8d8
commit
20171985c6
8 changed files with 303 additions and 286 deletions
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@ -32,7 +32,6 @@
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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: rpl-dag.c,v 1.43 2011/01/04 20:43:28 nvt-se Exp $
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*/
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/**
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* \file
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@ -41,9 +40,9 @@
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* \author Joakim Eriksson <joakime@sics.se>, Nicolas Tsiftes <nvt@sics.se>
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*/
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#include "net/rpl/rpl.h"
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#include "contiki.h"
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#include "net/rpl/rpl-private.h"
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#include "net/uip.h"
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#include "net/uip-nd6.h"
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#include "lib/list.h"
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@ -32,7 +32,6 @@
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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: rpl-icmp6.c,v 1.35 2011/01/25 09:55:12 joxe Exp $
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*/
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/**
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* \file
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@ -48,7 +47,7 @@
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#include "net/uip-ds6.h"
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#include "net/uip-nd6.h"
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#include "net/uip-icmp6.h"
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#include "net/rpl/rpl.h"
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#include "net/rpl/rpl-private.h"
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#include "net/packetbuf.h"
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#include <limits.h>
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@ -32,7 +32,6 @@
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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: rpl-of-etx.c,v 1.8 2010/11/03 15:41:23 adamdunkels Exp $
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*/
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/**
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* \file
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@ -44,13 +43,13 @@
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* \author Joakim Eriksson <joakime@sics.se>, Nicolas Tsiftes <nvt@sics.se>
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*/
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#include "net/rpl/rpl.h"
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#include "net/rpl/rpl-private.h"
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#include "net/neighbor-info.h"
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#define DEBUG DEBUG_NONE
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#include "net/uip-debug.h"
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static void reset(void *);
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static void reset(rpl_dag_t *);
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static void parent_state_callback(rpl_parent_t *, int, int);
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static rpl_parent_t *best_parent(rpl_parent_t *, rpl_parent_t *);
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static rpl_rank_t calculate_rank(rpl_parent_t *, rpl_rank_t);
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@ -84,7 +83,7 @@ rpl_of_t rpl_of_etx = {
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static rpl_rank_t min_path_cost = INFINITE_RANK;
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static void
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reset(void *dag)
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reset(rpl_dag_t *dag)
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{
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min_path_cost = INFINITE_RANK;
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}
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@ -92,12 +91,8 @@ reset(void *dag)
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static void
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parent_state_callback(rpl_parent_t *parent, int known, int etx)
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{
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rpl_dag_t *dag;
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dag = (rpl_dag_t *)parent->dag;
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if(!known) {
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if(RPL_PARENT_COUNT(dag) == 1) {
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if(RPL_PARENT_COUNT(parent->dag) == 1) {
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/* Our last parent has disappeared, set the path ETX to INFINITE_RANK. */
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min_path_cost = INFINITE_RANK;
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}
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@ -107,7 +102,6 @@ parent_state_callback(rpl_parent_t *parent, int known, int etx)
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static rpl_rank_t
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calculate_rank(rpl_parent_t *p, rpl_rank_t base_rank)
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{
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rpl_dag_t *dag;
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rpl_rank_t new_rank;
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rpl_rank_t rank_increase;
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@ -117,11 +111,10 @@ calculate_rank(rpl_parent_t *p, rpl_rank_t base_rank)
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}
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rank_increase = INITIAL_LINK_METRIC * DEFAULT_MIN_HOPRANKINC;
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} else {
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dag = (rpl_dag_t *)p->dag;
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if(p->etx == 0) {
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p->etx = INITIAL_LINK_METRIC * ETX_DIVISOR;
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}
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rank_increase = (p->etx * dag->min_hoprankinc) / ETX_DIVISOR;
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rank_increase = (p->etx * p->dag->min_hoprankinc) / ETX_DIVISOR;
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if(base_rank == 0) {
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base_rank = p->rank;
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}
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@ -31,8 +31,6 @@
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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: rpl-of0.c,v 1.6 2011/01/04 20:43:28 nvt-se Exp $
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*/
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/**
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* \file
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@ -41,14 +39,14 @@
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* \author Joakim Eriksson <joakime@sics.se>, Nicolas Tsiftes <nvt@sics.se>
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*/
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#include "net/rpl/rpl.h"
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#include "net/rpl/rpl-private.h"
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#define DEBUG DEBUG_ANNOTATE
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#include "net/uip-debug.h"
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#include "net/neighbor-info.h"
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static void reset(void *);
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static void reset(rpl_dag_t *);
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static rpl_parent_t *best_parent(rpl_parent_t *, rpl_parent_t *);
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static rpl_rank_t calculate_rank(rpl_parent_t *, rpl_rank_t);
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@ -63,7 +61,7 @@ rpl_of_t rpl_of0 = {
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#define DEFAULT_RANK_INCREMENT DEFAULT_MIN_HOPRANKINC
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static void
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reset(void *dag)
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reset(rpl_dag_t *dag)
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{
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PRINTF("RPL: Resetting OF0\n");
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}
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@ -108,24 +106,4 @@ best_parent(rpl_parent_t *p1, rpl_parent_t *p2)
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} else {
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return p2;
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}
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/* This is the old code, which isn't used now, but left here in case
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we would like to use it later (if the above code turns out to not
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work as well as we expect it to. The old code first favoured the
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parent with a lower rank, then used the ETX to compare two
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parents with the same rank. This is not ideal since you may have
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a parent with a low rank on the edge of your range that will have
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a very bad ETX. But the code below would nevertheless pick that
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one. */
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if(p1->rank < p2->rank) {
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return p1;
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} else if(p2->rank < p1->rank) {
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return p2;
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}
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if(p1->etx < p2->etx) {
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return p1;
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} else {
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return p2;
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}
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}
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269
core/net/rpl/rpl-private.h
Normal file
269
core/net/rpl/rpl-private.h
Normal file
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@ -0,0 +1,269 @@
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/*
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* Copyright (c) 2010, 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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* Author: Joakim Eriksson, Nicolas Tsiftes
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*/
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#ifndef RPL_PRIVATE_H
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#define RPL_PRIVATE_H
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/*
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* ContikiRPL - an implementation of the routing protocol for low power and
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* lossy networks. See: draft-ietf-roll-rpl-17.
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*
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* --
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* The DIOs handle prefix information option for setting global IP addresses
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* on the nodes, but the current handling is not awaiting the join of the DAG
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* so it does not currently support multiple DAGs.
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*/
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#include "net/rpl/rpl.h"
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#include "lib/list.h"
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#include "net/uip.h"
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#include "sys/clock.h"
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#include "sys/ctimer.h"
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#include "net/uip-ds6.h"
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/** \brief Is IPv6 address a the link local all rpl nodes multicast address */
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#define uip_is_addr_linklocal_rplnodes_mcast(a) \
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((((a)->u8[0]) == 0xff) && \
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(((a)->u8[1]) == 0x02) && \
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(((a)->u16[1]) == 0) && \
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(((a)->u16[2]) == 0) && \
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(((a)->u16[3]) == 0) && \
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(((a)->u16[4]) == 0) && \
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(((a)->u16[5]) == 0) && \
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(((a)->u16[6]) == 0) && \
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(((a)->u8[14]) == 0) && \
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(((a)->u8[15]) == 0x1a))
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/** \brief set IP address a to the link local all-rpl nodes multicast address */
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#define uip_create_linklocal_rplnodes_mcast(a) uip_ip6addr(a, 0xff02, 0, 0, 0, 0, 0, 0, 0x001a)
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/* The RPL Codes for the message types */
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#define RPL_CODE_DIS 0 /* DIS message */
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#define RPL_CODE_DIO 1 /* DIO message */
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#define RPL_CODE_DAO 2 /* DAO message */
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#define RPL_CODE_DAO_ACK 3 /* DAO ACK message */
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#define RPL_CODE_SEC_DIS 0x80 /* DIS message */
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#define RPL_CODE_SEC_DIO 0x81 /* DIO message */
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#define RPL_CODE_SEC_DAO 0x82 /* DAO message */
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#define RPL_CODE_SEC_DAO_ACK 0x83 /* DAO ACK message */
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/* RPL DIO/DAO suboption types */
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#define RPL_DIO_SUBOPT_PAD1 0 /* Pad1 */
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#define RPL_DIO_SUBOPT_PADN 1 /* PadN */
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#define RPL_DIO_SUBOPT_DAG_MC 2 /* DAG metric container */
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#define RPL_DIO_SUBOPT_ROUTE_INFO 3 /* Route information */
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#define RPL_DIO_SUBOPT_DAG_CONF 4 /* DAG configuration */
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#define RPL_DIO_SUBOPT_TARGET 5 /* Target */
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#define RPL_DIO_SUBOPT_TRANSIT 6 /* Transit information */
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#define RPL_DIO_SUBOPT_SOLICITED_INFO 7 /* Solicited information */
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#define RPL_DIO_SUBOPT_PREFIX_INFO 8 /* Prefix information option */
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#define RPL_DAO_K_FLAG 0x80 /* DAO ACK requested */
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#define RPL_DAO_D_FLAG 0x40 /* DODAG ID Present */
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/*---------------------------------------------------------------------------*/
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/* Default values for RPL constants and variables. */
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/* The default value for the DAO timer. */
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#define DEFAULT_DAO_LATENCY (CLOCK_SECOND * 8)
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/* Special value indicating immediate removal. */
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#define ZERO_LIFETIME 0
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/* Special value indicating that a DAO should not expire. */
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#define INFINITE_LIFETIME 0xffffffff
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/* Default route lifetime in seconds. */
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#define DEFAULT_ROUTE_LIFETIME INFINITE_LIFETIME
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#define DEFAULT_RPL_LIFETIME_UNIT 0xffff
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#define DEFAULT_RPL_DEF_LIFETIME 0xff
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#ifndef RPL_CONF_MIN_HOPRANKINC
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#define DEFAULT_MIN_HOPRANKINC 256
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#else
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#define DEFAULT_MIN_HOPRANKINC RPL_CONF_MIN_HOPRANKINC
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#endif
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#define DEFAULT_MAX_RANKINC (3 * DEFAULT_MIN_HOPRANKINC)
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#define DAG_RANK(fixpt_rank, dag) ((fixpt_rank) / (dag)->min_hoprankinc)
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/* Rank of a node outside the LLN. */
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#define BASE_RANK 0
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/* Rank of a root node. */
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#define ROOT_RANK DEFAULT_MIN_HOPRANKINC
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#define INFINITE_RANK 0xffff
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/* Represents 2^n ms. */
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/* Default alue according to the specification is 3 which
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means 8 milliseconds - this is not a reasonable value if
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using power-saving / duty-cycling */
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#define DEFAULT_DIO_INTERVAL_MIN 12
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/* Maximum amount of timer doublings. */
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#define DEFAULT_DIO_INTERVAL_DOUBLINGS 8
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/* Default DIO redundancy. */
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#define DEFAULT_DIO_REDUNDANCY 10
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/* Expire DAOs from neighbors that do not respond in this time. (seconds) */
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#define DAO_EXPIRATION_TIMEOUT 60
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/*---------------------------------------------------------------------------*/
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#define RPL_INSTANCE_LOCAL_FLAG 0x80
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#define RPL_INSTANCE_D_FLAG 0x40
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/* Values that tell where a route came from. */
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#define RPL_ROUTE_FROM_INTERNAL 0
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#define RPL_ROUTE_FROM_UNICAST_DAO 1
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#define RPL_ROUTE_FROM_MULTICAST_DAO 2
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#define RPL_ROUTE_FROM_DIO 3
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/* DAG Mode of Operation */
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#define RPL_MOP_NO_DOWNWARD_ROUTES 0
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#define RPL_MOP_NON_STORING 1
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#define RPL_MOP_STORING_NO_MULTICAST 2
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#define RPL_MOP_STORING_MULTICAST 3
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#define RPL_MOP_DEFAULT RPL_MOP_STORING_NO_MULTICAST
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/* DAG Metric Container Object Types, to be confirmed by IANA. */
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#define RPL_DAG_MC_NSA 1 /* Node State and Attributes */
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#define RPL_DAG_MC_NE 2 /* Node Energy */
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#define RPL_DAG_MC_HC 3 /* Hop Count */
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#define RPL_DAG_MC_THROUGHPUT 4 /* Throughput */
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#define RPL_DAG_MC_LATENCY 5 /* Latency */
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#define RPL_DAG_MC_LQL 6 /* Link Quality Level */
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#define RPL_DAG_MC_ETX 7 /* Expected Transmission Count */
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#define RPL_DAG_MC_LC 8 /* Link Color */
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/* DIS related */
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#define RPL_DIS_SEND 1
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#ifdef RPL_DIS_INTERVAL_CONF
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#define RPL_DIS_INTERVAL RPL_DIS_INTERVAL_CONF
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#else
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#define RPL_DIS_INTERVAL 60
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#endif
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#define RPL_DIS_START_DELAY 5
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/*---------------------------------------------------------------------------*/
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/* Logical representation of a DAG Information Object (DIO.) */
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struct rpl_dio {
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uip_ipaddr_t dag_id;
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rpl_ocp_t ocp;
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rpl_rank_t rank;
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uint8_t grounded;
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uint8_t mop;
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uint8_t preference;
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uint8_t version;
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uint8_t instance_id;
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uint8_t dtsn;
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uint8_t dag_intdoubl;
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uint8_t dag_intmin;
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uint8_t dag_redund;
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uint8_t default_lifetime;
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uint16_t lifetime_unit;
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rpl_rank_t dag_max_rankinc;
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rpl_rank_t dag_min_hoprankinc;
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rpl_prefix_t destination_prefix;
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rpl_prefix_t prefix_info;
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};
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typedef struct rpl_dio rpl_dio_t;
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#if RPL_CONF_STATS
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/* Statistics for fault management. */
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struct rpl_stats {
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uint16_t mem_overflows;
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uint16_t local_repairs;
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uint16_t global_repairs;
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uint16_t malformed_msgs;
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uint16_t resets;
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};
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typedef struct rpl_stats rpl_stats_t;
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extern rpl_stats_t rpl_stats;
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#endif
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/*---------------------------------------------------------------------------*/
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/* RPL macros. */
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#if RPL_CONF_STATS
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#define RPL_STAT(code) (code)
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#else
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#define RPL_STAT(code)
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#endif /* RPL_CONF_STATS */
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/*---------------------------------------------------------------------------*/
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/* ICMPv6 functions for RPL. */
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void dis_output(uip_ipaddr_t *addr);
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void dio_output(rpl_dag_t *, uip_ipaddr_t *uc_addr);
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void dao_output(rpl_parent_t *, uint32_t lifetime);
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void dao_ack_output(rpl_dag_t *, uip_ipaddr_t *, uint8_t);
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void uip_rpl_input(void);
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/* RPL logic functions. */
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void rpl_join_dag(rpl_dag_t *);
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void rpl_local_repair(rpl_dag_t *dag);
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int rpl_set_default_route(rpl_dag_t *dag, uip_ipaddr_t *from);
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void rpl_process_dio(uip_ipaddr_t *, rpl_dio_t *);
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int rpl_process_parent_event(rpl_dag_t *, rpl_parent_t *);
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/* DAG object management. */
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rpl_dag_t *rpl_alloc_dag(uint8_t);
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void rpl_free_dag(rpl_dag_t *);
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/* DAG parent management function. */
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rpl_parent_t *rpl_add_parent(rpl_dag_t *, rpl_dio_t *dio, uip_ipaddr_t *);
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rpl_parent_t *rpl_find_parent(rpl_dag_t *, uip_ipaddr_t *);
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int rpl_remove_parent(rpl_dag_t *, rpl_parent_t *);
|
||||
rpl_parent_t *rpl_select_parent(rpl_dag_t *dag);
|
||||
void rpl_recalculate_ranks(void);
|
||||
|
||||
/* RPL routing table functions. */
|
||||
void rpl_remove_routes(rpl_dag_t *dag);
|
||||
uip_ds6_route_t *rpl_add_route(rpl_dag_t *dag, uip_ipaddr_t *prefix,
|
||||
int prefix_len, uip_ipaddr_t *next_hop);
|
||||
void rpl_purge_routes(void);
|
||||
|
||||
/* Objective function. */
|
||||
rpl_of_t *rpl_find_of(rpl_ocp_t);
|
||||
|
||||
/* Timer functions. */
|
||||
void rpl_schedule_dao(rpl_dag_t *);
|
||||
void rpl_reset_dio_timer(rpl_dag_t *, uint8_t);
|
||||
void rpl_reset_periodic_timer(void);
|
||||
|
||||
/* Route poisoning. */
|
||||
void rpl_poison_routes(rpl_dag_t *, rpl_parent_t *);
|
||||
|
||||
#endif /* RPL_PRIVATE_H */
|
||||
|
|
@ -31,8 +31,6 @@
|
|||
* SUCH DAMAGE.
|
||||
*
|
||||
* This file is part of the Contiki operating system.
|
||||
*
|
||||
* $Id: rpl-timers.c,v 1.16 2010/12/17 15:24:25 nvt-se Exp $
|
||||
*/
|
||||
/**
|
||||
* \file
|
||||
|
|
@ -42,7 +40,7 @@
|
|||
*/
|
||||
|
||||
#include "contiki-conf.h"
|
||||
#include "net/rpl/rpl.h"
|
||||
#include "net/rpl/rpl-private.h"
|
||||
#include "lib/random.h"
|
||||
#include "sys/ctimer.h"
|
||||
|
||||
|
|
|
|||
|
|
@ -31,8 +31,6 @@
|
|||
* SUCH DAMAGE.
|
||||
*
|
||||
* This file is part of the Contiki operating system.
|
||||
*
|
||||
* $Id: rpl.c,v 1.15 2011/01/25 22:41:30 joxe Exp $
|
||||
*/
|
||||
/**
|
||||
* \file
|
||||
|
|
@ -44,7 +42,7 @@
|
|||
#include "net/uip.h"
|
||||
#include "net/tcpip.h"
|
||||
#include "net/uip-ds6.h"
|
||||
#include "net/rpl/rpl.h"
|
||||
#include "net/rpl/rpl-private.h"
|
||||
#include "net/neighbor-info.h"
|
||||
|
||||
#define DEBUG DEBUG_NONE
|
||||
|
|
|
|||
|
|
@ -28,46 +28,21 @@
|
|||
*
|
||||
* This file is part of the Contiki operating system.
|
||||
*
|
||||
* Author: Joakim Eriksson, Nicolas Tsiftes
|
||||
* \file
|
||||
* ContikiRPL - an implementation of the routing protocol for low
|
||||
* power and lossy networks. See: draft-ietf-roll-rpl-17.
|
||||
* \author
|
||||
* Joakim Eriksson <joakime@sics.se> & Nicolas Tsiftes <nvt@sics.se>
|
||||
*
|
||||
* $Id: rpl.h,v 1.30 2011/01/25 09:54:03 joxe Exp $
|
||||
*/
|
||||
|
||||
#ifndef RPL_H
|
||||
#define RPL_H
|
||||
|
||||
/*
|
||||
* ContikiRPL - an implementation of the routing protocol for low power and
|
||||
* lossy networks. See: draft-ietf-roll-rpl-09.
|
||||
*
|
||||
* --
|
||||
* The DIOs handle prefix information option for setting global IP addresses
|
||||
* on the nodes, but the current handling is not awaiting the join of the DAG
|
||||
* so it does not currently support multiple DAGs.
|
||||
*/
|
||||
|
||||
#include "lib/list.h"
|
||||
#include "net/uip.h"
|
||||
#include "sys/clock.h"
|
||||
#include "sys/ctimer.h"
|
||||
#include "net/uip-ds6.h"
|
||||
|
||||
/** \brief Is IPv6 address a the link local all rpl nodes multicast address */
|
||||
#define uip_is_addr_linklocal_rplnodes_mcast(a) \
|
||||
((((a)->u8[0]) == 0xff) && \
|
||||
(((a)->u8[1]) == 0x02) && \
|
||||
(((a)->u16[1]) == 0) && \
|
||||
(((a)->u16[2]) == 0) && \
|
||||
(((a)->u16[3]) == 0) && \
|
||||
(((a)->u16[4]) == 0) && \
|
||||
(((a)->u16[5]) == 0) && \
|
||||
(((a)->u16[6]) == 0) && \
|
||||
(((a)->u8[14]) == 0) && \
|
||||
(((a)->u8[15]) == 0x1a))
|
||||
|
||||
/** \brief set IP address a to the link local all-rpl nodes multicast address */
|
||||
#define uip_create_linklocal_rplnodes_mcast(a) uip_ip6addr(a, 0xff02, 0, 0, 0, 0, 0, 0, 0x001a)
|
||||
|
||||
#include "sys/ctimer.h"
|
||||
|
||||
/* set to 1 for some statistics on trickle / DIO */
|
||||
#ifndef RPL_CONF_STATS
|
||||
|
|
@ -86,134 +61,31 @@
|
|||
#define RPL_OF rpl_of_etx
|
||||
#endif /* RPL_CONF_OF */
|
||||
|
||||
/* The RPL Codes for the message types */
|
||||
#define RPL_CODE_DIS 0 /* DIS message */
|
||||
#define RPL_CODE_DIO 1 /* DIO message */
|
||||
#define RPL_CODE_DAO 2 /* DAO message */
|
||||
#define RPL_CODE_DAO_ACK 3 /* DAO ACK message */
|
||||
|
||||
#define RPL_CODE_SEC_DIS 0x80 /* DIS message */
|
||||
#define RPL_CODE_SEC_DIO 0x81 /* DIO message */
|
||||
#define RPL_CODE_SEC_DAO 0x82 /* DAO message */
|
||||
#define RPL_CODE_SEC_DAO_ACK 0x83 /* DAO ACK message */
|
||||
|
||||
/* RPL DIO/DAO suboption types */
|
||||
#define RPL_DIO_SUBOPT_PAD1 0 /* Pad1 */
|
||||
#define RPL_DIO_SUBOPT_PADN 1 /* PadN */
|
||||
#define RPL_DIO_SUBOPT_DAG_MC 2 /* DAG metric container */
|
||||
#define RPL_DIO_SUBOPT_ROUTE_INFO 3 /* Route information */
|
||||
#define RPL_DIO_SUBOPT_DAG_CONF 4 /* DAG configuration */
|
||||
#define RPL_DIO_SUBOPT_TARGET 5 /* Target */
|
||||
#define RPL_DIO_SUBOPT_TRANSIT 6 /* Transit information */
|
||||
#define RPL_DIO_SUBOPT_SOLICITED_INFO 7 /* Solicited information */
|
||||
#define RPL_DIO_SUBOPT_PREFIX_INFO 8 /* Prefix information option */
|
||||
|
||||
#define RPL_DAO_K_FLAG 0x80 /* DAO ACK requested */
|
||||
#define RPL_DAO_D_FLAG 0x40 /* DODAG ID Present */
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* Default values for RPL constants and variables. */
|
||||
|
||||
/* The default value for the DAO timer. */
|
||||
#define DEFAULT_DAO_LATENCY (CLOCK_SECOND * 8)
|
||||
|
||||
/* Special value indicating immediate removal. */
|
||||
#define ZERO_LIFETIME 0
|
||||
|
||||
/* Special value indicating that a DAO should not expire. */
|
||||
#define INFINITE_LIFETIME 0xffffffff
|
||||
|
||||
/* Default route lifetime in seconds. */
|
||||
#define DEFAULT_ROUTE_LIFETIME INFINITE_LIFETIME
|
||||
|
||||
#define DEFAULT_RPL_LIFETIME_UNIT 0xffff
|
||||
#define DEFAULT_RPL_DEF_LIFETIME 0xff
|
||||
|
||||
#ifndef RPL_CONF_MIN_HOPRANKINC
|
||||
#define DEFAULT_MIN_HOPRANKINC 256
|
||||
#else
|
||||
#define DEFAULT_MIN_HOPRANKINC RPL_CONF_MIN_HOPRANKINC
|
||||
#endif
|
||||
#define DEFAULT_MAX_RANKINC (3 * DEFAULT_MIN_HOPRANKINC)
|
||||
|
||||
#define DAG_RANK(fixpt_rank, dag) ((fixpt_rank) / (dag)->min_hoprankinc)
|
||||
|
||||
/* Rank of a node outside the LLN. */
|
||||
#define BASE_RANK 0
|
||||
|
||||
/* Rank of a root node. */
|
||||
#define ROOT_RANK DEFAULT_MIN_HOPRANKINC
|
||||
|
||||
#define INFINITE_RANK 0xffff
|
||||
|
||||
/* This value decides which DAG instance we should participate in by default. */
|
||||
#define RPL_DEFAULT_INSTANCE 0
|
||||
|
||||
/* This value is used to access an arbitrary DAG. It will likely be
|
||||
replaced when we support multiple DAGs more. */
|
||||
#define RPL_ANY_INSTANCE -1
|
||||
|
||||
/* Represents 2^n ms. */
|
||||
/* Default alue according to the specification is 3 which
|
||||
means 8 milliseconds - this is not a reasonable value if
|
||||
using power-saving / duty-cycling */
|
||||
#define DEFAULT_DIO_INTERVAL_MIN 12
|
||||
|
||||
/* Maximum amount of timer doublings. */
|
||||
#define DEFAULT_DIO_INTERVAL_DOUBLINGS 8
|
||||
|
||||
/* Default DIO redundancy. */
|
||||
#define DEFAULT_DIO_REDUNDANCY 10
|
||||
|
||||
/* Expire DAOs from neighbors that do not respond in this time. (seconds) */
|
||||
#define DAO_EXPIRATION_TIMEOUT 60
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#define RPL_INSTANCE_LOCAL_FLAG 0x80
|
||||
#define RPL_INSTANCE_D_FLAG 0x40
|
||||
|
||||
/* Values that tell where a route came from. */
|
||||
#define RPL_ROUTE_FROM_INTERNAL 0
|
||||
#define RPL_ROUTE_FROM_UNICAST_DAO 1
|
||||
#define RPL_ROUTE_FROM_MULTICAST_DAO 2
|
||||
#define RPL_ROUTE_FROM_DIO 3
|
||||
|
||||
/* DAG Mode of Operation */
|
||||
#define RPL_MOP_NO_DOWNWARD_ROUTES 0
|
||||
#define RPL_MOP_NON_STORING 1
|
||||
#define RPL_MOP_STORING_NO_MULTICAST 2
|
||||
#define RPL_MOP_STORING_MULTICAST 3
|
||||
#define RPL_MOP_DEFAULT RPL_MOP_STORING_NO_MULTICAST
|
||||
|
||||
/* DAG Metric Container Object Types, to be confirmed by IANA. */
|
||||
#define RPL_DAG_MC_NSA 1 /* Node State and Attributes */
|
||||
#define RPL_DAG_MC_NE 2 /* Node Energy */
|
||||
#define RPL_DAG_MC_HC 3 /* Hop Count */
|
||||
#define RPL_DAG_MC_THROUGHPUT 4 /* Throughput */
|
||||
#define RPL_DAG_MC_LATENCY 5 /* Latency */
|
||||
#define RPL_DAG_MC_LQL 6 /* Link Quality Level */
|
||||
#define RPL_DAG_MC_ETX 7 /* Expected Transmission Count */
|
||||
#define RPL_DAG_MC_LC 8 /* Link Color */
|
||||
|
||||
/* DIS related */
|
||||
#define RPL_DIS_SEND 1
|
||||
#ifdef RPL_DIS_INTERVAL_CONF
|
||||
#define RPL_DIS_INTERVAL RPL_DIS_INTERVAL_CONF
|
||||
#else
|
||||
#define RPL_DIS_INTERVAL 60
|
||||
#endif
|
||||
#define RPL_DIS_START_DELAY 5
|
||||
|
||||
/* The amount of parents that this node has in a particular DAG. */
|
||||
#define RPL_PARENT_COUNT(dag) list_length((dag)->parents)
|
||||
/*---------------------------------------------------------------------------*/
|
||||
typedef uint16_t rpl_rank_t;
|
||||
typedef uint16_t rpl_ocp_t;
|
||||
|
||||
struct rpl_dag;
|
||||
/*---------------------------------------------------------------------------*/
|
||||
struct rpl_parent {
|
||||
struct rpl_parent *next;
|
||||
void *dag;
|
||||
struct rpl_dag *dag;
|
||||
uip_ipaddr_t addr;
|
||||
rpl_rank_t rank;
|
||||
uint8_t etx;
|
||||
uint8_t dtsn;
|
||||
uint8_t updated;
|
||||
};
|
||||
|
||||
typedef struct rpl_parent rpl_parent_t;
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/*
|
||||
* API for RPL objective functions (OF)
|
||||
|
|
@ -241,16 +113,14 @@ typedef struct rpl_parent rpl_parent_t;
|
|||
* about "parent" to select an increment to the "base_rank".
|
||||
*/
|
||||
struct rpl_of {
|
||||
void (*reset)(void *);
|
||||
void (*reset)(struct rpl_dag *);
|
||||
void (*parent_state_callback)(rpl_parent_t *, int, int);
|
||||
rpl_parent_t *(*best_parent)(rpl_parent_t *, rpl_parent_t *);
|
||||
rpl_rank_t (*calculate_rank)(rpl_parent_t *, rpl_rank_t);
|
||||
rpl_ocp_t ocp;
|
||||
};
|
||||
|
||||
typedef struct rpl_of rpl_of_t;
|
||||
/*---------------------------------------------------------------------------*/
|
||||
|
||||
/* RPL DIO prefix suboption */
|
||||
struct rpl_prefix {
|
||||
uip_ipaddr_t prefix;
|
||||
|
|
@ -258,51 +128,8 @@ struct rpl_prefix {
|
|||
uint8_t length;
|
||||
uint8_t flags;
|
||||
};
|
||||
|
||||
typedef struct rpl_prefix rpl_prefix_t;
|
||||
|
||||
/* Logical representation of a DAG Information Object (DIO.) */
|
||||
struct rpl_dio {
|
||||
uip_ipaddr_t dag_id;
|
||||
rpl_ocp_t ocp;
|
||||
rpl_rank_t rank;
|
||||
uint8_t grounded;
|
||||
uint8_t mop;
|
||||
uint8_t preference;
|
||||
uint8_t version;
|
||||
uint8_t instance_id;
|
||||
uint8_t dtsn;
|
||||
uint8_t dag_intdoubl;
|
||||
uint8_t dag_intmin;
|
||||
uint8_t dag_redund;
|
||||
uint8_t default_lifetime;
|
||||
uint16_t lifetime_unit;
|
||||
rpl_rank_t dag_max_rankinc;
|
||||
rpl_rank_t dag_min_hoprankinc;
|
||||
rpl_prefix_t destination_prefix;
|
||||
rpl_prefix_t prefix_info;
|
||||
};
|
||||
|
||||
typedef struct rpl_dio rpl_dio_t;
|
||||
|
||||
#if RPL_CONF_STATS
|
||||
/* Statistics for fault management. */
|
||||
struct rpl_stats {
|
||||
uint16_t mem_overflows;
|
||||
uint16_t local_repairs;
|
||||
uint16_t global_repairs;
|
||||
uint16_t malformed_msgs;
|
||||
uint16_t resets;
|
||||
};
|
||||
typedef struct rpl_stats rpl_stats_t;
|
||||
|
||||
extern rpl_stats_t rpl_stats;
|
||||
|
||||
#define RPL_STAT(code) (code)
|
||||
#else
|
||||
#define RPL_STAT(code)
|
||||
#endif /* RPL_CONF_STATS */
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* Directed Acyclic Graph */
|
||||
struct rpl_dag {
|
||||
/* DAG configuration */
|
||||
|
|
@ -329,7 +156,8 @@ struct rpl_dag {
|
|||
/* live data for the DAG */
|
||||
uint8_t joined;
|
||||
uint8_t dio_intcurrent;
|
||||
uint8_t dio_send; /* for keeping track of which mode the timer is in */
|
||||
uint8_t dio_send; /* for keeping track of which mode the timer is in
|
||||
*/
|
||||
uint8_t dio_counter;
|
||||
#if RPL_CONF_STATS
|
||||
uint16_t dio_totint;
|
||||
|
|
@ -344,59 +172,14 @@ struct rpl_dag {
|
|||
list_t parents;
|
||||
rpl_prefix_t prefix_info;
|
||||
};
|
||||
|
||||
typedef struct rpl_dag rpl_dag_t;
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* RPL macros. */
|
||||
#define RPL_PARENT_COUNT(dag) list_length((dag)->parents)
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* ICMPv6 functions for RPL. */
|
||||
void dis_output(uip_ipaddr_t *addr);
|
||||
void dio_output(rpl_dag_t *, uip_ipaddr_t *uc_addr);
|
||||
void dao_output(rpl_parent_t *, uint32_t lifetime);
|
||||
void dao_ack_output(rpl_dag_t *, uip_ipaddr_t *, uint8_t);
|
||||
void uip_rpl_input(void);
|
||||
|
||||
/* RPL logic functions. */
|
||||
/* Public RPL functions. */
|
||||
void rpl_init(void);
|
||||
rpl_dag_t *rpl_set_root(uip_ipaddr_t *);
|
||||
void rpl_join_dag(rpl_dag_t *);
|
||||
int rpl_set_prefix(rpl_dag_t *dag, uip_ipaddr_t *prefix, int len);
|
||||
int rpl_repair_dag(rpl_dag_t *dag);
|
||||
void rpl_local_repair(rpl_dag_t *dag);
|
||||
int rpl_set_default_route(rpl_dag_t *dag, uip_ipaddr_t *from);
|
||||
void rpl_process_dio(uip_ipaddr_t *, rpl_dio_t *);
|
||||
int rpl_process_parent_event(rpl_dag_t *, rpl_parent_t *);
|
||||
|
||||
/* DAG object management. */
|
||||
rpl_dag_t *rpl_alloc_dag(uint8_t);
|
||||
void rpl_free_dag(rpl_dag_t *);
|
||||
rpl_dag_t *rpl_get_dag(int instance_id);
|
||||
|
||||
/* DAG parent management function. */
|
||||
rpl_parent_t *rpl_add_parent(rpl_dag_t *, rpl_dio_t *dio, uip_ipaddr_t *);
|
||||
rpl_parent_t *rpl_find_parent(rpl_dag_t *, uip_ipaddr_t *);
|
||||
int rpl_remove_parent(rpl_dag_t *, rpl_parent_t *);
|
||||
rpl_parent_t *rpl_select_parent(rpl_dag_t *dag);
|
||||
void rpl_recalculate_ranks(void);
|
||||
|
||||
/* RPL routing table functions. */
|
||||
void rpl_remove_routes(rpl_dag_t *dag);
|
||||
uip_ds6_route_t *rpl_add_route(rpl_dag_t *dag, uip_ipaddr_t *prefix,
|
||||
int prefix_len, uip_ipaddr_t *next_hop);
|
||||
void rpl_purge_routes(void);
|
||||
|
||||
/* Objective function. */
|
||||
rpl_of_t *rpl_find_of(rpl_ocp_t);
|
||||
|
||||
/* Timer functions. */
|
||||
void rpl_schedule_dao(rpl_dag_t *);
|
||||
void rpl_reset_dio_timer(rpl_dag_t *, uint8_t);
|
||||
void rpl_reset_periodic_timer(void);
|
||||
|
||||
/* Route poisoning. */
|
||||
void rpl_poison_routes(rpl_dag_t *, rpl_parent_t *);
|
||||
/*---------------------------------------------------------------------------*/
|
||||
void rpl_init(void);
|
||||
|
||||
#endif /* RPL_H */
|
||||
|
|
|
|||
Loading…
Reference in a new issue