    The Minimum Rank with Hysteresis Objective Function (MRHOF)

    This implementation uses the estimated number of 
    transmissions (ETX) as the additive routing metric,
    and also provides stubs for the energy metric.

Author: Joakim Eriksson joaki.nosp@m.me@s.nosp@m.ics.s.nosp@m.e, Nicolas Tsiftes nvt@s.nosp@m.ics..nosp@m.se

#include "net/rpl/rpl-private.h"
#include "net/nbr-table.h"
#include "net/ip/uip-debug.h"

Macros
#define	_DEBUG_ DEBUG_NONE

#define	ETX_ALPHA 90

#define	ETX_SCALE 100

#define	MAX_LINK_METRIC 10

#define	MAX_PATH_COST 100

#define	PARENT_SWITCH_THRESHOLD_DIV 2

Typedefs
typedef uint16_t	rpl_path_metric_t

Functions
static rpl_dag_t *	best_dag (rpl_dag_t , rpl_dag_t )

static rpl_parent_t *	best_parent (rpl_parent_t , rpl_parent_t )

static rpl_path_metric_t	calculate_path_metric (rpl_parent_t *p)

static rpl_rank_t	calculate_rank (rpl_parent_t *, rpl_rank_t)

static void	neighbor_link_callback (rpl_parent_t *, int, int)

static void	reset (rpl_dag_t *)

static void	update_metric_container (rpl_instance_t *)

Variables
rpl_of_t	rpl_mrhof

static rpl_dag_t * best_dag	(	rpl_dag_t *	d1,
		rpl_dag_t *	d2
	)

static

References rpl_dag::grounded, rpl_dag::preference, and rpl_dag::rank.

static rpl_parent_t * best_parent	(	rpl_parent_t *	p1,
		rpl_parent_t *	p2
	)

static

References calculate_path_metric(), rpl_parent::dag, PARENT_SWITCH_THRESHOLD_DIV, rpl_dag::preferred_parent, PRINTF, and RPL_DAG_MC_ETX_DIVISOR.

static rpl_rank_t calculate_rank	(	rpl_parent_t *	p,
		rpl_rank_t	base_rank
	)

static

References INFINITE_RANK, rpl_parent::link_metric, NULL, rpl_parent::rank, RPL_DAG_MC_ETX_DIVISOR, and RPL_INIT_LINK_METRIC.

static void reset ( rpl_dag_t * dag )

static

References PRINTF.

static void update_metric_container ( rpl_instance_t * instance )

static

References rpl_instance::mc, RPL_DAG_MC, and rpl_metric_container::type.

Microchip® Advanced Software Framework

Macros

Typedefs

Functions

Variables