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Use LIST_STRUCT macros. Made get_dag a static function.

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This commit is contained in:
nvt 2012-04-17 23:35:19 +02:00
parent 3d0d2c284f
commit eda6b7c318
1 changed files with 25 additions and 26 deletions
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51
core/net/rpl/rpl-dag.c
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@ -174,6 +174,28 @@ acceptable_rank(rpl_dag_t *dag, rpl_rank_t rank)
DAG_RANK(rank, dag->instance) <= DAG_RANK(dag->min_rank + dag->instance->max_rankinc, dag->instance));
}
/************************************************************************/
static rpl_dag_t *
get_dag(uint8_t instance_id, uip_ipaddr_t *dag_id)
{
rpl_instance_t *instance;
rpl_dag_t *dag;
int i;
instance = rpl_get_instance(instance_id);
if(instance == NULL) {
return NULL;
}
for(i = 0; i < RPL_MAX_DAG_PER_INSTANCE; ++i) {
dag = &instance->dag_table[i];
if(dag->used && uip_ipaddr_cmp(&dag->dag_id, dag_id)) {
return dag;
}
}
return NULL;
}
/************************************************************************/
rpl_dag_t *
rpl_set_root(uint8_t instance_id, uip_ipaddr_t *dag_id)
{
@ -182,7 +204,7 @@ rpl_set_root(uint8_t instance_id, uip_ipaddr_t *dag_id)
uint8_t version;
version = RPL_LOLLIPOP_INIT;
dag = rpl_get_dag(instance_id, dag_id);
dag = get_dag(instance_id, dag_id);
if(dag != NULL) {
version = dag->version;
RPL_LOLLIPOP_INCREMENT(version);
@ -388,8 +410,7 @@ rpl_alloc_dag(uint8_t instance_id, uip_ipaddr_t *dag_id)
for(dag = &instance->dag_table[0], end = dag + RPL_MAX_DAG_PER_INSTANCE; dag < end; ++dag) {
if(!dag->used) {
memset(dag, 0, sizeof(*dag));
dag->parents = &dag->parent_list;
list_init(dag->parents);
LIST_STRUCT_INIT(dag, parents);
dag->used = 1;
dag->rank = INFINITE_RANK;
dag->min_rank = INFINITE_RANK;
@ -736,28 +757,6 @@ rpl_get_instance(uint8_t instance_id)
return NULL;
}
/************************************************************************/
rpl_dag_t *
rpl_get_dag(uint8_t instance_id, uip_ipaddr_t *dag_id)
{
rpl_instance_t *instance;
rpl_dag_t *dag;
int i;
instance = rpl_get_instance(instance_id);
if(instance == NULL) {
return NULL;
}
for(i = 0; i < RPL_MAX_DAG_PER_INSTANCE; ++i) {
dag = &instance->dag_table[i];
if(dag->used && uip_ipaddr_cmp(&dag->dag_id, dag_id)) {
return dag;
}
}
return NULL;
}
/************************************************************************/
rpl_of_t *
rpl_find_of(rpl_ocp_t ocp)
{
@ -1114,7 +1113,7 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
return;
}
dag = rpl_get_dag(dio->instance_id, &dio->dag_id);
dag = get_dag(dio->instance_id, &dio->dag_id);
if(dag == NULL) {
PRINTF("RPL: Adding new DAG to known instance.\n");
rpl_add_dag(from, dio);