tests: net: ipv6: Test deprecated address selection (0c1dca52) · Commits · Wenxi XU / zephyr

tests/net/ip-addr/src/main.c

+86 −0

Changes for tests/net/ip-addr/src/main.c: 86 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -224,10 +224,21 @@ ZTEST(ip_addr_fn, test_ipv6_addresses)
		0, 0, 0, 0, 0, 0, 0, 0x2 } } };
		struct in6_addr addr6_pref3 = { { { 0x20, 0x01, 0x0d, 0xb8, 0x64, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0x2 } } };
		struct in6_addr ula = { { { 0xfc, 0x00, 0xaa, 0xaa, 0, 0, 0, 0,
		0, 0, 0, 0, 0xd1, 0xd2, 0xd3, 0xd4 } } };
		struct in6_addr ula2 = { { { 0xfc, 0x00, 0xaa, 0xaa, 0, 0, 0, 0,
		0, 0, 0, 0, 0x1, 0x2, 0x3, 0x4 } } };
		struct in6_addr ula3 = { { { 0xfc, 0x00, 0xaa, 0xaa, 0, 0, 0, 0,
		0, 0, 0, 0, 0xf1, 0xf2, 0xf3, 0xf4 } } };
		struct in6_addr ula4 = { { { 0xfc, 0x00, 0xaa, 0xaa, 0, 0, 0, 0,
		0, 0, 0, 0, 0xf1, 0xf2, 0xf3, 0xf5 } } };
		struct in6_addr ula5 = { { { 0xfc, 0x00, 0xaa, 0xaa, 0, 0, 0, 0,
		0, 0, 0, 0, 0xf1, 0xf2, 0xf3, 0xf6 } } };
		struct in6_addr *tmp;
		const struct in6_addr *out;
		struct net_if_addr ifaddr1, ifaddr2;
		struct net_if_mcast_addr *ifmaddr1;
		struct net_if_ipv6_prefix *prefix;
		struct net_if *iface;
		int i;

		@@ -369,6 +380,81 @@ ZTEST(ip_addr_fn, test_ipv6_addresses)
		"IPv6 removing address failed\n");
		zassert_true(net_if_ipv6_addr_rm(default_iface, &addr6_pref2),
		"IPv6 removing address failed\n");

		/**TESTPOINTS: Check what IPv6 address is selected when some
		* addresses are in preferred state and some in deprecated state.
		*/
		ifaddr2 = net_if_ipv6_addr_add(default_iface, &ula,
		NET_ADDR_AUTOCONF, 0);
		zassert_not_null(ifaddr2, "IPv6 ula address add failed");

		ifaddr2->addr_state = NET_ADDR_PREFERRED;

		out = net_if_ipv6_select_src_addr(default_iface, &ula2);
		zassert_not_null(out, "IPv6 src ula addr selection failed, "
		"iface %p\n", default_iface);

		DBG("Selected IPv6 address %s, iface %p\n",
		net_sprint_ipv6_addr(out), iface);

		zassert_false(memcmp(out->s6_addr, &ula.s6_addr, sizeof(struct in6_addr)),
		"IPv6 wrong src ula address selected, iface %p\n", iface);

		/* Allow selection of deprecated address if no other address
		* is available.
		*/
		ifaddr2->addr_state = NET_ADDR_DEPRECATED;

		out = net_if_ipv6_select_src_addr(default_iface, &ula3);
		zassert_not_null(out, "IPv6 src ula addr selection failed, "
		"iface %p\n", default_iface);

		/* Then add another address with preferred state and check that we
		* still select the deprecated address as it is a better match.
		*/
		ifaddr2 = net_if_ipv6_addr_add(default_iface, &ula3,
		NET_ADDR_AUTOCONF, 0);
		zassert_not_null(ifaddr2, "IPv6 ula address add failed");

		ifaddr2->addr_state = NET_ADDR_PREFERRED;

		out = net_if_ipv6_select_src_addr(default_iface, &ula2);
		zassert_not_null(out, "IPv6 src ula addr selection failed, "
		"iface %p\n", default_iface);

		DBG("Selected IPv6 address %s, iface %p\n",
		net_sprint_ipv6_addr(out), iface);

		zassert_false(memcmp(out->s6_addr, &ula3.s6_addr, sizeof(struct in6_addr)),
		"IPv6 wrong src ula address selected, iface %p\n", iface);

		zassert_true(net_if_ipv6_addr_rm(default_iface, &ula),
		"IPv6 removing address failed\n");

		prefix = net_if_ipv6_prefix_add(default_iface, &ula4, 96, 3600);
		zassert_not_null(prefix, "IPv6 ula prefix add failed");

		ifaddr1 = net_if_ipv6_addr_add(default_iface, &ula4,
		NET_ADDR_AUTOCONF, 0);
		zassert_not_null(ifaddr1, "IPv6 ula address add failed");

		ifaddr2->addr_state = NET_ADDR_DEPRECATED;

		out = net_if_ipv6_select_src_addr(default_iface, &ula5);
		zassert_not_null(out, "IPv6 src ula addr selection failed, "
		"iface %p\n", default_iface);

		DBG("Selected IPv6 address %s, iface %p\n",
		net_sprint_ipv6_addr(out), iface);

		zassert_false(memcmp(out->s6_addr, &ula4.s6_addr, sizeof(struct in6_addr)),
		"IPv6 wrong src ula address selected, iface %p\n", iface);

		zassert_true(net_if_ipv6_addr_rm(default_iface, &ula3),
		"IPv6 removing address failed\n");

		zassert_true(net_if_ipv6_addr_rm(default_iface, &ula4),
		"IPv6 removing address failed\n");
		}

		ZTEST(ip_addr_fn, test_ipv4_ll_address_select_default_first)

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