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tests: net: rpl: Fix unicast NS sending

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If we send unicast NS, then the destination IPv6 address needs
to be in the neighbor cache, otherwise we have a NS sending loop.

Change-Id: I11e8f5d5740248024a0becc77055786cd2e32199
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2017-02-01 12:57:09 +02:00
commit 3c95a56c2a
1 changed files with 17 additions and 1 deletions
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18
tests/net/rpl/src/main.c
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@ -428,9 +428,25 @@ static bool test_dao_sending_fail(void)
static bool net_test_send_ns(void)
{
struct net_if *iface = net_if_get_default();
struct net_nbr *nbr;
int ret;
ret = net_ipv6_send_ns(net_if_get_default(),
/* As we are sending a node reachability NS (RFC 4861 ch 4.3),
* we need to add the neighbor to the cache, otherwise we cannot
* send a NS with unicast destination address.
*/
nbr = net_ipv6_nbr_add(iface,
&in6addr_my,
&iface->link_addr,
false,
NET_NBR_REACHABLE);
if (!nbr) {
TC_ERROR("Cannot add to neighbor cache\n");
return false;
}
ret = net_ipv6_send_ns(iface,
NULL,
&peer_addr,
&in6addr_my,