platform: tests: wait for non-tentative address before adding route

Wait that the address becomes non-tentative before adding the route
with RTA_PREFSRC.  Dummy interfaces are NOARP and thus don't do DAD,
but the kernel sets the address as tentative for a small amount of
time, which prevents the immediate addition of the route with
preferred source.

Fixes: 36d9e252d2
This commit is contained in:
Beniamino Galvani 2017-03-09 18:53:03 +01:00
parent 74f62d21ce
commit 686fea6562

View file

@ -250,6 +250,8 @@ test_ip6_route (void)
/* Choose a high metric so that we hopefully don't conflict. */
int metric = 22987;
int mss = 1000;
const NMPlatformIP6Address *plt_addr;
gint64 time_start;
inet_pton (AF_INET6, "2001:db8:a:b:0:0:0:0", &network);
inet_pton (AF_INET6, "2001:db8:c:d:1:2:3:4", &gateway);
@ -259,6 +261,21 @@ test_ip6_route (void)
NM_PLATFORM_LIFETIME_PERMANENT, NM_PLATFORM_LIFETIME_PERMANENT, 0));
accept_signals (route_added, 0, 1);
/* Wait that the address becomes non-tentative. Dummy interfaces are NOARP
* and thus don't do DAD, but the kernel sets the address as tentative for a
* small amount of time, which prevents the immediate addition of the route
* with RTA_PREFSRC */
time_start = nm_utils_get_monotonic_timestamp_ms ();
while (TRUE) {
nm_platform_process_events (NM_PLATFORM_GET);
plt_addr = nm_platform_ip6_address_get (NM_PLATFORM_GET, ifindex, pref_src, 128);
if (plt_addr && !NM_FLAGS_HAS (plt_addr->n_ifa_flags, IFA_F_TENTATIVE))
break;
if (nm_utils_get_monotonic_timestamp_ms() - time_start > 2000)
g_assert_not_reached();
g_usleep (100);
}
/* Add route to gateway */
nmtstp_ip6_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, gateway, 128, in6addr_any, in6addr_any, metric, mss);
accept_signal (route_added);