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sys/.../ip.c: fix ipv6_net_if_get_best_src_addr

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This patch fixes ipv6_net_if_get_best_src_addr,
the function seems not to be finished.
The patch also adds a filter for the prefixes,
it is necessary because the prefixes are stored
in the same list as the addresses.
This commit is contained in:
Johann Fischer 2015-05-07 17:12:36 +02:00 committed by Johann F
parent 2bc7c4ba5f
commit 7087bdcb50
1 changed files with 6 additions and 1 deletions
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7
sys/net/network_layer/sixlowpan/ip.c
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@ -729,6 +729,7 @@ void ipv6_net_if_get_best_src_addr(ipv6_addr_t *src, const ipv6_addr_t *dest)
int if_id = 0; // TODO: get this somehow int if_id = 0; // TODO: get this somehow
ipv6_net_if_addr_t *addr = NULL; ipv6_net_if_addr_t *addr = NULL;
ipv6_net_if_addr_t *tmp_addr = NULL; ipv6_net_if_addr_t *tmp_addr = NULL;
uint8_t bmatch = 0;
if (!(ipv6_addr_is_link_local(dest)) && !(ipv6_addr_is_multicast(dest))) { if (!(ipv6_addr_is_link_local(dest)) && !(ipv6_addr_is_multicast(dest))) {
while ((addr = (ipv6_net_if_addr_t *) net_if_iter_addresses(if_id, while ((addr = (ipv6_net_if_addr_t *) net_if_iter_addresses(if_id,
@ -739,11 +740,15 @@ void ipv6_net_if_get_best_src_addr(ipv6_addr_t *src, const ipv6_addr_t *dest)
&& !ipv6_addr_is_unique_local_unicast( && !ipv6_addr_is_unique_local_unicast(
addr->addr_data)) { addr->addr_data)) {
uint8_t bmatch = 0; if (addr->addr_protocol == NET_IF_L3P_IPV6_PREFIX) {
continue;
}
uint8_t tmp = ipv6_get_addr_match(dest, addr->addr_data); uint8_t tmp = ipv6_get_addr_match(dest, addr->addr_data);
if (tmp >= bmatch) { if (tmp >= bmatch) {
tmp_addr = addr; tmp_addr = addr;
bmatch = tmp;
} }
} }
} }