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Configuration of the objective function made easier. Updated OF0 to the new rank calculation.

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This commit is contained in:
nvt-se 2011-01-04 20:43:28 +00:00
parent b2296e462b
commit 7a43b7d832
4 changed files with 30 additions and 19 deletions
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3
core/net/rpl/Makefile.rpl
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@ -1 +1,2 @@
CONTIKI_SOURCEFILES += rpl.c rpl-dag.c rpl-icmp6.c rpl-timers.c rpl-of-etx.c CONTIKI_SOURCEFILES += rpl.c rpl-dag.c rpl-icmp6.c rpl-timers.c \
rpl-of-etx.c

23
core/net/rpl/rpl-dag.c
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@ -32,7 +32,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* $Id: rpl-dag.c,v 1.42 2010/12/17 15:24:25 nvt-se Exp $ * $Id: rpl-dag.c,v 1.43 2011/01/04 20:43:28 nvt-se Exp $
*/ */
/** /**
* \file * \file
@ -43,6 +43,7 @@
#include "net/rpl/rpl.h" #include "net/rpl/rpl.h"
#include "contiki.h"
#include "net/uip.h" #include "net/uip.h"
#include "net/uip-nd6.h" #include "net/uip-nd6.h"
#include "lib/list.h" #include "lib/list.h"
@ -56,8 +57,8 @@
#include "net/uip-debug.h" #include "net/uip-debug.h"
/************************************************************************/ /************************************************************************/
extern rpl_of_t rpl_of_etx; extern rpl_of_t RPL_OF;
static rpl_of_t *objective_functions[] = {&rpl_of_etx, NULL}; static rpl_of_t * const objective_functions[] = {&RPL_OF};
/************************************************************************/ /************************************************************************/
#ifndef RPL_CONF_MAX_DAG_ENTRIES #ifndef RPL_CONF_MAX_DAG_ENTRIES
@ -153,7 +154,7 @@ rpl_set_root(uip_ipaddr_t *dag_id)
dag->grounded = RPL_GROUNDED; dag->grounded = RPL_GROUNDED;
dag->mop = RPL_MOP_DEFAULT; dag->mop = RPL_MOP_DEFAULT;
dag->rank = ROOT_RANK; dag->rank = ROOT_RANK;
dag->of = rpl_find_of(RPL_DEFAULT_OCP); dag->of = &RPL_OF;
dag->preferred_parent = NULL; dag->preferred_parent = NULL;
dag->dtsn_out = 1; /* Trigger DAOs from the beginning. */ dag->dtsn_out = 1; /* Trigger DAOs from the beginning. */
@ -376,7 +377,7 @@ rpl_get_dag(int instance_id)
for(i = 0; i < RPL_MAX_DAG_ENTRIES; i++) { for(i = 0; i < RPL_MAX_DAG_ENTRIES; i++) {
if(dag_table[i].joined && (instance_id == RPL_ANY_INSTANCE || if(dag_table[i].joined && (instance_id == RPL_ANY_INSTANCE ||
dag_table[i].instance_id == instance_id)) { dag_table[i].instance_id == instance_id)) {
return &dag_table[i]; return &dag_table[i];
} }
} }
@ -386,11 +387,13 @@ rpl_get_dag(int instance_id)
rpl_of_t * rpl_of_t *
rpl_find_of(rpl_ocp_t ocp) rpl_find_of(rpl_ocp_t ocp)
{ {
rpl_of_t *of; int i;
for(of = objective_functions[0]; of != NULL; of++) { for(i = 0;
if(of->ocp == ocp) { i < sizeof(objective_functions) / sizeof(objective_functions[0]);
return of; i++) {
if(objective_functions[i]->ocp == ocp) {
return objective_functions[i];
} }
} }
@ -475,7 +478,7 @@ join_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
PRINTF("\n"); PRINTF("\n");
dag->rank = dag->of->calculate_rank(NULL, dio->rank); dag->rank = dag->of->calculate_rank(NULL, dio->rank);
dag->min_rank = dag->rank; /* So far this is the lowest rank we know */ dag->min_rank = dag->rank; /* So far this is the lowest rank we know of. */
dag->default_lifetime = dio->default_lifetime; dag->default_lifetime = dio->default_lifetime;
dag->lifetime_unit = dio->lifetime_unit; dag->lifetime_unit = dio->lifetime_unit;

7
core/net/rpl/rpl-of0.c
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@ -32,7 +32,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* $Id: rpl-of0.c,v 1.5 2010/06/14 12:44:37 nvt-se Exp $ * $Id: rpl-of0.c,v 1.6 2011/01/04 20:43:28 nvt-se Exp $
*/ */
/** /**
* \file * \file
@ -58,10 +58,7 @@ rpl_of_t rpl_of0 = {
0 0
}; };
#define DEFAULT_RANK_INCREMENT 4 #define DEFAULT_RANK_INCREMENT DEFAULT_MIN_HOPRANKINC
#define MINIMUM_RANK_INCREMENT 1
#define MAXIMUM_RANK_INCREMENT 16
#define MAXIMUM_RANK_STRETCH 4
static void static void
reset(void *dag) reset(void *dag)

16
core/net/rpl/rpl.h
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@ -30,7 +30,7 @@
* *
* Author: Joakim Eriksson, Nicolas Tsiftes * Author: Joakim Eriksson, Nicolas Tsiftes
* *
* $Id: rpl.h,v 1.28 2010/12/17 15:24:25 nvt-se Exp $ * $Id: rpl.h,v 1.29 2011/01/04 20:43:28 nvt-se Exp $
*/ */
#ifndef RPL_H #ifndef RPL_H
@ -57,6 +57,18 @@
#define RPL_CONF_STATS 0 #define RPL_CONF_STATS 0
#endif /* RPL_CONF_STATS */ #endif /* RPL_CONF_STATS */
/*
* The objective function used by RPL is configurable through the
* RPL_CONF_OF parameter. This should be defined to be the name of an
* rpl_of_t object linked into the system image, e.g., rpl_of0.
*/
#ifdef RPL_CONF_OF
#define RPL_OF RPL_CONF_OF
#else
/* ETX is the default objective function. */
#define RPL_OF rpl_of_etx
#endif /* RPL_CONF_OF */
/* The RPL Codes for the message types */ /* The RPL Codes for the message types */
#define RPL_CODE_DIS 0 /* DIS message */ #define RPL_CODE_DIS 0 /* DIS message */
#define RPL_CODE_DIO 1 /* DIO message */ #define RPL_CODE_DIO 1 /* DIO message */
@ -116,8 +128,6 @@
#define RPL_DEFAULT_INSTANCE 0 #define RPL_DEFAULT_INSTANCE 0
#define RPL_ANY_INSTANCE -1 #define RPL_ANY_INSTANCE -1
#define RPL_DEFAULT_OCP 1
/* Represents 2^n ms. */ /* Represents 2^n ms. */
/* Default alue according to the specification is 3 which /* Default alue according to the specification is 3 which
means 8 milliseconds - this is not a reasonable value if means 8 milliseconds - this is not a reasonable value if