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RPL: if a neighbor is unreachable, remove routes via this neighbor

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Simon Duquennoy 2015-11-30 19:17:17 +01:00 • committed by Simon Duquennoy
parent b73b6082fc
commit 797bead5e5
4 changed files with 46 additions and 0 deletions
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9
core/net/rpl/rpl-mrhof.c
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@ -185,6 +185,14 @@ parent_is_acceptable(rpl_parent_t *p)
return link_metric <= MAX_LINK_METRIC && path_cost <= MAX_PATH_COST;
}
/*---------------------------------------------------------------------------*/
static int
parent_has_usable_link(rpl_parent_t *p)
{
uint16_t link_metric = parent_link_metric(p);
/* Exclude links with too high link metrics */
return link_metric <= MAX_LINK_METRIC;
}
/*---------------------------------------------------------------------------*/
static rpl_parent_t *
best_parent(rpl_parent_t *p1, rpl_parent_t *p2)
{
@ -296,6 +304,7 @@ rpl_of_t rpl_mrhof = {
dao_ack_callback,
#endif
parent_link_metric,
parent_has_usable_link,
parent_path_cost,
rank_via_parent,
best_parent,