mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-09-09 23:54:32 +00:00
avoid sending DAO when address is tentative
This commit is contained in:
parent
50cca91d93
commit
6f66d36d67
@ -32,7 +32,7 @@
|
||||
*
|
||||
* This file is part of the Contiki operating system.
|
||||
*
|
||||
* $Id: rpl-timers.c,v 1.3 2010/05/09 17:52:37 joxe Exp $
|
||||
* $Id: rpl-timers.c,v 1.4 2010/05/09 19:12:47 joxe Exp $
|
||||
*/
|
||||
/**
|
||||
* \file
|
||||
@ -182,12 +182,21 @@ handle_dao_timer(void *ptr)
|
||||
rpl_dag_t *dag;
|
||||
rpl_neighbor_t *n;
|
||||
dag = (rpl_dag_t *)ptr;
|
||||
|
||||
if (!dio_send_ok && uip_ds6_get_link_local(ADDR_PREFERRED) == NULL) {
|
||||
PRINTF("RPL: postpone DAO transmission... \n");
|
||||
ctimer_set(&dag->dao_timer, CLOCK_SECOND, handle_dao_timer, dag);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Send the DAO to the best parent. rpl-07 section C.2 lists the
|
||||
fan-out as being under investigation. */
|
||||
n = rpl_find_best_parent(dag);
|
||||
if(n != NULL) {
|
||||
PRINTF("RPL: handle_dao_timer - sending DAO\n");
|
||||
dao_output(n, DEFAULT_ROUTE_LIFETIME);
|
||||
} else {
|
||||
PRINTF("RPL: could not find any best parent.. \n");
|
||||
}
|
||||
ctimer_stop(&dag->dao_timer);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user