Various bug fixes and adjustments for rpl-11
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nvt-se
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11d5a3eb28
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adf6961a85
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@ -32,7 +32,7 @@
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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 1.31 2010/07/03 23:52:02 nvt-se Exp $
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* $Id: rpl-dag.c,v 1.32 2010/09/15 13:22:22 nvt-se Exp $
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*/
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/**
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* \file
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@ -103,12 +103,12 @@ remove_parents(rpl_dag_t *dag, rpl_rank_t minimum_rank)
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{
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rpl_parent_t *p, *p2;
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PRINTF("RPL: Removing parents (minimum rank %u, poisoning routes %d\n",
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minimum_rank, poison_routes);
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PRINTF("RPL: Removing parents (minimum rank %u)\n",
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minimum_rank);
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for(p = list_head(dag->parents); p != NULL; p = p2) {
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p2 = p->next;
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if(p->rank >= minimum_rank) {
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if(DAG_RANK(p->rank, dag) >= minimum_rank) {
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rpl_remove_parent(dag, p);
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}
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}
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@ -125,7 +125,8 @@ should_send_dao(rpl_dag_t *dag, rpl_dio_t *dio, rpl_parent_t *p)
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static int
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acceptable_rank(rpl_dag_t *dag, rpl_rank_t rank)
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{
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return rank != INFINITE_RANK && rank <= dag->min_rank + dag->max_rankinc;
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return rank != INFINITE_RANK &&
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DAG_RANK(rank, dag) <= DAG_RANK(dag->min_rank + dag->max_rankinc, dag);
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}
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/************************************************************************/
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rpl_dag_t *
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@ -445,8 +446,10 @@ join_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
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dag->preference = dio->preference;
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dag->grounded = dio->grounded;
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dag->instance_id = dio->instance_id;
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dag->rank = dag->of->calculate_rank(NULL, dio->rank);
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dag->min_rank = dag->rank; /* So far this is the lowest rank we know */
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dag->max_rankinc = dio->dag_max_rankinc;
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dag->min_hoprankinc = dio->dag_min_hoprankinc;
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dag->version = dio->version;
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dag->preferred_parent = p;
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ANNOTATE("#L %u 1\n", p->addr.u8[sizeof(p->addr) - 1]);
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@ -455,9 +458,6 @@ join_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
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dag->dio_intmin = dio->dag_intmin;
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dag->dio_redundancy = dio->dag_redund;
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dag->max_rankinc = dio->dag_max_rankinc;
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dag->min_hoprankinc = dio->dag_min_hoprankinc;
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memcpy(&dag->dag_id, &dio->dag_id, sizeof(dio->dag_id));
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/* copy prefix information into the dag */
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@ -468,6 +468,9 @@ join_dag(uip_ipaddr_t *from, rpl_dio_t *dio)
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PRINT6ADDR(&dag->dag_id);
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PRINTF("\n");
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dag->rank = dag->of->calculate_rank(NULL, dio->rank);
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dag->min_rank = dag->rank; /* So far this is the lowest rank we know */
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rpl_reset_dio_timer(dag, 1);
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rpl_set_default_route(dag, from);
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@ -562,7 +565,7 @@ rpl_process_parent_event(rpl_dag_t *dag, rpl_parent_t *p)
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return 1;
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}
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if(old_rank != dag->rank) {
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if(DAG_RANK(old_rank, dag) != DAG_RANK(dag->rank, dag)) {
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if(dag->rank < dag->min_rank) {
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dag->min_rank = dag->rank;
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}
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@ -645,7 +648,7 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
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if(p == NULL) {
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if(RPL_PARENT_COUNT(dag) == RPL_MAX_PARENTS) {
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/* Try to make room for a new parent. */
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remove_parents(dag, dio->rank);
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remove_parents(dag, DAG_RANK(dio->rank, dag));
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}
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/* Add the DIO sender as a candidate parent. */
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@ -660,12 +663,12 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
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PRINTF("RPL: New candidate parent with rank %u: ", (unsigned)p->rank);
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PRINT6ADDR(from);
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PRINTF("\n");
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} else if(p->rank == dio->rank) {
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} else if(DAG_RANK(p->rank, dag) == DAG_RANK(dio->rank, dag)) {
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PRINTF("RPL: Received consistent DIO\n");
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dag->dio_counter++;
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}
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/* We have an allocated candidate parent, process the DIO further. */
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/* We have allocated a candidate parent; process the DIO further. */
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p->rank = dio->rank;
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if(rpl_process_parent_event(dag, p) == 0) {
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@ -676,6 +679,7 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
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if(should_send_dao(dag, dio, p)) {
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rpl_schedule_dao(dag);
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}
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p->dtsn = dio->dtsn;
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}
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/************************************************************************/
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@ -33,7 +33,7 @@
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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 1.22 2010/06/14 19:19:17 adamdunkels Exp $
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* $Id: rpl-icmp6.c,v 1.23 2010/09/15 13:22:23 nvt-se Exp $
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*/
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/**
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* \file
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@ -211,7 +211,7 @@ dio_input(void)
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dio.instance_id = buffer[i++];
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dio.version = buffer[i++];
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dio.rank = (buffer[i] << 8) + buffer[i + 1];
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dio.rank = (buffer[i] << 8) | buffer[i + 1];
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i += 2;
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PRINTF("RPL: Incoming DIO rank %u\n", (unsigned)dio.rank);
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@ -32,7 +32,7 @@
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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 1.5 2010/06/14 12:44:37 nvt-se Exp $
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* $Id: rpl-of-etx.c,v 1.6 2010/09/15 13:22:23 nvt-se Exp $
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*/
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/**
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* \file
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@ -61,7 +61,7 @@ rpl_of_t rpl_of_etx = {
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#define LINK_ETX_MIN 1
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#define LINK_ETX_MAX 10
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#define LINK_ETX_GUESS (LINK_ETX_MAX - 1)
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#define LINK_ETX_GUESS 3
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#define PATH_ETX_MIN 1
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#define PATH_ETX_MAX 200
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#define PARENT_SWITCH_ETX_THRESHOLD 0.5
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@ -98,20 +98,25 @@ calculate_rank(rpl_parent_t *p, rpl_rank_t base_rank)
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rpl_rank_t new_rank;
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rpl_rank_t rank_increase;
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PRINTF("RPL: OF1 calculate rank\n");
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dag = (rpl_dag_t *)p->dag;
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rank_increase = p == NULL ? LINK_ETX_GUESS : p->local_confidence;
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rank_increase += dag->min_hoprankinc;
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if(base_rank == 0) {
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if(p == NULL) {
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if(p == NULL) {
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if(base_rank == 0) {
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return INFINITE_RANK;
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}
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base_rank = p->rank;
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rank_increase = LINK_ETX_GUESS * DEFAULT_MIN_HOPRANKINC;
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} else {
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dag = (rpl_dag_t *)p->dag;
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if(p->local_confidence == 0) {
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p->local_confidence = LINK_ETX_GUESS;
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}
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rank_increase = p->local_confidence * dag->min_hoprankinc;
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if(base_rank == 0) {
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base_rank = p->rank;
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}
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}
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PRINTF("RPL: OF1 calculate rank, base rank = %u, rank_increase = %u\n",
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(unsigned)base_rank, rank_increase);
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if(base_rank < min_path_etx) {
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min_path_etx = base_rank;
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PRINTF("RPL: min_path_etx updated to %u\n", min_path_etx);
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@ -138,12 +143,13 @@ best_parent(rpl_parent_t *p1, rpl_parent_t *p2)
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rpl_rank_t p1_rank;
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rpl_rank_t p2_rank;
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p1_rank = calculate_rank(p1, 0);
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p2_rank = calculate_rank(p2, 0);
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dag = (rpl_dag_t *)p1->dag; /* Both parents must be in the same DAG. */
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p1_rank = DAG_RANK(calculate_rank(p1, 0), dag);
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p2_rank = DAG_RANK(calculate_rank(p2, 0), dag);
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/* Maintain stability of the preferred parent in case of similar ranks. */
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if(p1_rank == p2_rank) {
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dag = (rpl_dag_t *)p1->dag;
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if(p1 == dag->preferred_parent) {
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return p1;
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} else if(p2 == dag->preferred_parent) {
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@ -32,7 +32,7 @@
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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-timers.c,v 1.10 2010/06/14 12:44:37 nvt-se Exp $
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* $Id: rpl-timers.c,v 1.11 2010/09/15 13:22:23 nvt-se Exp $
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*/
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/**
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* \file
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@ -102,7 +102,8 @@ new_dio_interval(rpl_dag_t *dag)
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/* keep some stats */
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dag->dio_totint++;
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dag->dio_totrecv += dag->dio_counter;
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ANNOTATE("#A rank=%d(%d),stats=%d %d %d %d,color=%s\n", dag->rank,
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ANNOTATE("#A rank=%u(%u),stats=%d %d %d %d,color=%s\n",
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DAG_RANK(dag->rank, dag),
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dag->version,
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dag->dio_totint, dag->dio_totsend,
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dag->dio_totrecv,dag->dio_intcurrent,
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@ -30,7 +30,7 @@
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*
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* Author: Joakim Eriksson, Nicolas Tsiftes
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*
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* $Id: rpl.h,v 1.19 2010/06/14 12:44:37 nvt-se Exp $
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* $Id: rpl.h,v 1.20 2010/09/15 13:22:23 nvt-se Exp $
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*/
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#ifndef RPL_H
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@ -96,11 +96,16 @@
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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_MIN_HOPRANKINC 256
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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 1
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#define ROOT_RANK DEFAULT_MIN_HOPRANKINC
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#define INFINITE_RANK 0xffff
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@ -109,10 +114,6 @@
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#define RPL_DEFAULT_OCP 1
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/* TODO: pick these from OCP later? */
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#define DEFAULT_MAX_RANKINC 10
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#define DEFAULT_MIN_HOPRANKINC 4
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/* Represents 2^n ms. */
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#define DEFAULT_DIO_INTERVAL_MIN 12
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@ -120,7 +121,7 @@
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#define DEFAULT_DIO_INTERVAL_DOUBLINGS 8
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/* Desired DIO redundancy. */
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#define DEFAULT_DIO_REDUNDANCY 5
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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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@ -225,8 +226,8 @@ struct rpl_dio {
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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 dag_max_rankinc;
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uint8_t dag_min_hoprankinc;
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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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@ -250,10 +251,9 @@ struct rpl_dag {
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uint8_t dio_intdoubl;
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uint8_t dio_intmin;
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uint8_t dio_redundancy;
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uint8_t max_rankinc;
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uint8_t min_hoprankinc;
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rpl_rank_t max_rankinc;
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rpl_rank_t min_hoprankinc;
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uint8_t used;
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/* live data for the DAG */
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uint8_t joined;
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uint8_t dio_intcurrent;
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