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tests: net: ipv6: Add tests for verifying DAD timers

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Make sure that DAD timers are triggered in proper order.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2018-08-17 18:16:32 +03:00
parent 411662d344
commit 9038416bdd
2 changed files with 65 additions and 3 deletions
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4
tests/net/ipv6/prj.conf
View File

@ -21,8 +21,8 @@ CONFIG_NET_BUF_TX_COUNT=20
CONFIG_NET_6LO=y
CONFIG_NET_6LO_CONTEXT=y
CONFIG_NET_MAX_ROUTERS=2
CONFIG_NET_IF_UNICAST_IPV6_ADDR_COUNT=4
CONFIG_NET_IF_MCAST_IPV6_ADDR_COUNT=5
CONFIG_NET_IF_UNICAST_IPV6_ADDR_COUNT=7
CONFIG_NET_IF_MCAST_IPV6_ADDR_COUNT=7
CONFIG_NET_IF_IPV6_PREFIX_COUNT=3
CONFIG_SYS_LOG_NET_LEVEL=2
#CONFIG_NET_DEBUG_IF=y

64
tests/net/ipv6/src/main.c
View File

@ -116,6 +116,8 @@ static const unsigned char ipv6_hbho[] = {
};
static bool expecting_ra;
static bool expecting_dad;
static u32_t dad_time[3];
static bool test_failed;
static struct k_sem wait_data;
@ -229,6 +231,22 @@ static int tester_send(struct net_if *iface, struct net_pkt *pkt)
}
}
if (icmp->type == NET_ICMPV6_NS) {
if (expecting_dad) {
net_pkt_unref(pkt);
if (dad_time[0] == 0) {
dad_time[0] = k_uptime_get_32();
} else if (dad_time[1] == 0) {
dad_time[1] = k_uptime_get_32();
} else if (dad_time[2] == 0) {
dad_time[2] = k_uptime_get_32();
}
goto out;
}
}
/* Feed this data back to us */
if (net_recv_data(iface, pkt) < 0) {
TC_ERROR("Data receive failed.");
@ -980,6 +998,49 @@ static void test_change_ll_addr(void)
"Wrong link address 2");
}
static void test_dad_timeout(void)
{
#if defined(CONFIG_NET_IPV6_DAD)
struct in6_addr addr1 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0x99, 0x1 } } };
struct in6_addr addr2 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0x99, 0x2 } } };
struct in6_addr addr3 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0x99, 0x3 } } };
struct net_if *iface = net_if_get_default();
struct net_if_addr *ifaddr;
expecting_dad = true;
ifaddr = net_if_ipv6_addr_add(iface, &addr1, NET_ADDR_AUTOCONF, 0xffff);
zassert_not_null(ifaddr, "Address 1 cannot be added");
k_sleep(K_MSEC(10));
ifaddr = net_if_ipv6_addr_add(iface, &addr2, NET_ADDR_AUTOCONF, 0xffff);
zassert_not_null(ifaddr, "Address 2 cannot be added");
k_sleep(K_MSEC(10));
ifaddr = net_if_ipv6_addr_add(iface, &addr3, NET_ADDR_AUTOCONF, 0xffff);
zassert_not_null(ifaddr, "Address 3 cannot be added");
k_sleep(K_MSEC(200));
/* We should have received three DAD queries, make sure they are in
* proper order.
*/
zassert_true(dad_time[0] < dad_time[1], "DAD timer 1+2 failure");
zassert_true(dad_time[1] < dad_time[2], "DAD timer 2+3 failure");
zassert_true((dad_time[2] - dad_time[0]) < 100,
"DAD timers took too long time [%u] [%u] [%u]",
dad_time[0], dad_time[1], dad_time[2]);
expecting_dad = false;
#endif
}
void test_main(void)
{
ztest_test_suite(test_ipv6_fn,
@ -997,7 +1058,8 @@ void test_main(void)
ztest_unit_test(test_hbho_message_2),
ztest_unit_test(test_hbho_message_3),
ztest_unit_test(test_change_ll_addr),
ztest_unit_test(test_prefix_timeout)
ztest_unit_test(test_prefix_timeout),
ztest_unit_test(test_dad_timeout)
);
ztest_run_test_suite(test_ipv6_fn);
}