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Simplified best_dag function and fixed the previous incomplete commit.

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This commit is contained in:
nvt 2012-01-04 14:13:54 +01:00
parent f112fa99d5
commit d89a4ef4fd
2 changed files with 6 additions and 18 deletions
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22
core/net/rpl/rpl-of-etx.c
View File

@ -137,27 +137,15 @@ calculate_rank(rpl_parent_t *p, rpl_rank_t base_rank)
static rpl_dag_t *
best_dag(rpl_dag_t *d1, rpl_dag_t *d2)
{
if(d1->grounded) {
if (!d2->grounded) {
return d1;
}
} else if(d2->grounded) {
return d2;
if(d1->grounded != d2->grounded) {
return d1->grounded ? d1 : d2;
}
if(d1->preference < d2->preference) {
return d2;
} else {
if(d1->preference > d2->preference) {
return d1;
}
if(d1->preference != d2->preference) {
return d1->preference > d2->preference ? d1 : d2;
}
if(d2->rank < d1->rank) {
return d2;
} else {
return d1;
}
return d1->rank < d2->rank ? d1 : d2;
}
static rpl_parent_t *

2
core/net/rpl/rpl-private.h
View File

@ -55,7 +55,7 @@
/*---------------------------------------------------------------------------*/
/** \brief Is IPv6 address addr the link-local, all-RPL-nodes
multicast address? */
#define uip_is_addr_linklocal_rplnodes_mcast(a) \
#define uip_is_addr_linklocal_rplnodes_mcast(addr) \
((addr)->u8[0] == 0xff) && \
((addr)->u8[1] == 0x02) && \
((addr)->u16[1] == 0) && \