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tests: net: Add tests for IPv6 mesh addresses

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This tests make sure that the right source address is chosen during
the mesh multicasting.

Signed-off-by: Lukasz Maciejonczyk <lukasz.maciejonczyk@nordicsemi.no>
This commit is contained in:
Lukasz Maciejonczyk 2020-06-16 14:55:54 +02:00 • committed by Carles Cufí
commit 8acebb5cd0
1 changed files with 59 additions and 1 deletions
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60
tests/net/ip-addr/src/main.c
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@ -358,6 +358,11 @@ static void test_ipv6_addresses(void)
"IPv6 wrong src ll address selected, iface %p\n", "IPv6 wrong src ll address selected, iface %p\n",
iface); iface);
} }
zassert_true(net_if_ipv6_addr_rm(net_if_get_default(), &addr6),
"IPv6 removing address failed\n");
zassert_true(net_if_ipv6_addr_rm(net_if_get_default(), &addr6_pref2),
"IPv6 removing address failed\n");
} }
static void test_ipv4_addresses(void) static void test_ipv4_addresses(void)
@ -538,12 +543,65 @@ static void test_ipv4_addresses(void)
zassert_true(ret, "IPv4 address 3 is not broadcast address"); zassert_true(ret, "IPv4 address 3 is not broadcast address");
} }
static void test_ipv6_mesh_addresses(void)
{
struct net_if_addr *ifaddr;
const struct in6_addr *out;
struct in6_addr lla = { { { 0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x54, 0xdb,
0x88, 0x1c, 0x38, 0x45, 0x57, 0xf4 } } };
struct in6_addr ml_eid = { { { 0xfd, 0xe5, 0x8d, 0xba, 0x82, 0xe1, 0,
0x01, 0x40, 0x16, 0x99, 0x3c, 0x83, 0x99,
0x35, 0xab } } };
struct in6_addr ll_mcast = { { { 0xff, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0x1 } } };
struct in6_addr ml_mcast = { { { 0xff, 0x03, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0x1 } } };
struct net_if *iface = net_if_get_default();
ifaddr = net_if_ipv6_addr_add(iface, &lla, NET_ADDR_AUTOCONF, 0);
zassert_not_null(ifaddr, "IPv6 ll address autoconf add failed");
ifaddr = net_if_ipv6_addr_add(iface, &ml_eid, NET_ADDR_AUTOCONF, 0);
zassert_not_null(ifaddr, "IPv6 ll address autoconf add failed");
ifaddr->is_mesh_local = true;
zassert_true(net_ipv6_is_addr_mcast_mesh(&ml_mcast),
"IPv6 multicast mesh address check failed");
out = net_if_ipv6_select_src_addr(iface, &ll_mcast);
zassert_not_null(out, "IPv6 src addr selection failed\n");
DBG("IPv6: destination: %s - selected %s\n",
net_sprint_ipv6_addr(&ll_mcast), net_sprint_ipv6_addr(out));
zassert_false(memcmp(out->s6_addr, &lla.s6_addr,
sizeof(struct in6_addr)),
"IPv6 wrong src address selected\n");
out = net_if_ipv6_select_src_addr(iface, &ml_mcast);
zassert_not_null(out, "IPv6 src addr selection failed\n");
DBG("IPv6: destination: %s - selected %s\n",
net_sprint_ipv6_addr(&ml_mcast), net_sprint_ipv6_addr(out));
zassert_false(memcmp(out->s6_addr, &ml_eid.s6_addr,
sizeof(struct in6_addr)),
"IPv6 wrong src address selected\n");
zassert_true(net_if_ipv6_addr_rm(iface, &lla),
"IPv6 removing address failed\n");
zassert_true(net_if_ipv6_addr_rm(iface, &ml_eid),
"IPv6 removing address failed\n");
}
void test_main(void) void test_main(void)
{ {
ztest_test_suite(test_ip_addr_fn, ztest_test_suite(test_ip_addr_fn,
ztest_unit_test(test_ip_addresses), ztest_unit_test(test_ip_addresses),
ztest_unit_test(test_ipv6_addresses), ztest_unit_test(test_ipv6_addresses),
ztest_unit_test(test_ipv4_addresses) ztest_unit_test(test_ipv4_addresses),
ztest_unit_test(test_ipv6_mesh_addresses)
); );
ztest_run_test_suite(test_ip_addr_fn); ztest_run_test_suite(test_ip_addr_fn);