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only compare with global addresses when selecting source for a specific destination

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joxe 2010-09-23 18:17:27 +00:00
parent e242fb28bf
commit 494d2a3073
1 changed files with 3 additions and 1 deletions
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4
core/net/uip-ds6.c
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@ -773,7 +773,9 @@ uip_ds6_select_src(uip_ipaddr_t *src, uip_ipaddr_t *dst)
/* find longest match */ /* find longest match */
for(locaddr = uip_ds6_if.addr_list; for(locaddr = uip_ds6_if.addr_list;
locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) { locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
if((locaddr->isused) && (locaddr->state == ADDR_PREFERRED)) { /* Only preferred global (not link-local) addresses */
if((locaddr->isused) && (locaddr->state == ADDR_PREFERRED) &&
(!uip_is_addr_link_local(&locaddr->ipaddr))) {
n = get_match_length(dst, &(locaddr->ipaddr)); n = get_match_length(dst, &(locaddr->ipaddr));
if(n >= best) { if(n >= best) {
best = n; best = n;