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Rehauling of RPL OFs, both MRHOF and OF0. Fixed compliance with RFC6551, 6552, 6719. Now using the link-stats module.

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Simon Duquennoy 2015-11-29 21:44:39 +01:00 • committed by Simon Duquennoy
parent 752fef9e42
commit 426e10c3ed
9 changed files with 445 additions and 387 deletions
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43
core/net/rpl/rpl.h
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@ -113,11 +113,10 @@ struct rpl_dag;
struct rpl_parent {
struct rpl_dag *dag;
#if RPL_DAG_MC != RPL_DAG_MC_NONE
#if RPL_WITH_MC
rpl_metric_container_t mc;
#endif /* RPL_DAG_MC != RPL_DAG_MC_NONE */
#endif /* RPL_WITH_MC */
rpl_rank_t rank;
clock_time_t last_tx_time;
uint8_t dtsn;
uint8_t flags;
};
@ -159,11 +158,21 @@ typedef struct rpl_instance rpl_instance_t;
* Resets the objective function state for a specific DAG. This function is
* called when doing a global repair on the DAG.
*
* neighbor_link_callback(parent, known, etx)
* parent_link_metric(parent)
*
* Receives link-layer neighbor information. The parameter "known" is set
* either to 0 or 1. The "etx" parameter specifies the current
* ETX(estimated transmissions) for the neighbor.
* Returns the link metric of a parent
*
* parent_path_cost(parent)
*
* Returns the path cost of a parent
*
* rank_via_parent(parent)
*
* Returns our rank if we select a given parent as preferred parent
*
* parent_is_acceptable
*
* Returns 1 if a parent is usable as preferred parent, 0 otherwise
*
* best_parent(parent1, parent2)
*
@ -173,13 +182,6 @@ typedef struct rpl_instance rpl_instance_t;
*
* Compares two DAGs and returns the best one, according to the OF.
*
* calculate_rank(parent, base_rank)
*
* Calculates a rank value using the parent rank and a base rank.
* If "parent" is NULL, the objective function selects a default increment
* that is adds to the "base_rank". Otherwise, the OF uses information known
* about "parent" to select an increment to the "base_rank".
*
* update_metric_container(dag)
*
* Updates the metric container for outgoing DIOs in a certain DAG.
@ -194,20 +196,19 @@ typedef struct rpl_instance rpl_instance_t;
*/
struct rpl_of {
void (*reset)(struct rpl_dag *);
void (*neighbor_link_callback)(rpl_parent_t *, int, int);
#if RPL_WITH_DAO_ACK
void (*dao_ack_callback)(rpl_parent_t *, int status);
#endif
uint16_t (*parent_link_metric)(rpl_parent_t *);
uint16_t (*parent_path_cost)(rpl_parent_t *);
rpl_rank_t (*rank_via_parent)(rpl_parent_t *);
rpl_parent_t *(*best_parent)(rpl_parent_t *, rpl_parent_t *);
rpl_dag_t *(*best_dag)(rpl_dag_t *, rpl_dag_t *);
rpl_rank_t (*calculate_rank)(rpl_parent_t *, rpl_rank_t);
void (*update_metric_container)( rpl_instance_t *);
rpl_ocp_t ocp;
};
typedef struct rpl_of rpl_of_t;
/* Declare the selected objective function. */
extern rpl_of_t RPL_OF;
/*---------------------------------------------------------------------------*/
/* Instance */
struct rpl_instance {
@ -272,10 +273,14 @@ int rpl_verify_header(int);
void rpl_insert_header(void);
void rpl_remove_header(void);
uint8_t rpl_invert_header(void);
const struct link_stats *rpl_get_parent_link_stats(rpl_parent_t *p);
int rpl_parent_is_fresh(rpl_parent_t *p);
uint16_t rpl_get_parent_link_metric(rpl_parent_t *p);
rpl_rank_t rpl_rank_via_parent(rpl_parent_t *p);
const linkaddr_t *rpl_get_parent_lladdr(rpl_parent_t *p);
uip_ipaddr_t *rpl_get_parent_ipaddr(rpl_parent_t *nbr);
rpl_parent_t *rpl_get_parent(uip_lladdr_t *addr);
rpl_rank_t rpl_get_parent_rank(uip_lladdr_t *addr);
uint16_t rpl_get_parent_link_metric(const uip_lladdr_t *addr);
void rpl_dag_init(void);
uip_ds6_nbr_t *rpl_get_nbr(rpl_parent_t *parent);
void rpl_print_neighbor_list(void);