24 typedef void (*test_dhcpv6_pkt_fn_t)(struct net_if *iface,
27 typedef int (*test_dhcpv6_options_fn_t)(struct net_if *iface,
33 	struct net_if *iface;  member
42 static void test_iface_init(struct net_if *iface)  in test_iface_init()  argument
44 	struct test_dhcpv6_context *ctx = net_if_get_device(iface)->data;  in test_iface_init()
55 	net_if_set_link_addr(iface, ctx->mac, sizeof(ctx->mac), NET_LINK_ETHERNET);  in test_iface_init()
85 static void set_test_addr_on_iface(struct net_if *iface)  in set_test_addr_on_iface()  argument
87 	memcpy(&test_ctx.iface->config.dhcpv6.addr, &test_addr,  in set_test_addr_on_iface()
88 	       sizeof(test_ctx.iface->config.dhcpv6.addr));  in set_test_addr_on_iface()
89 	memcpy(&test_ctx.iface->config.dhcpv6.prefix, &test_prefix,  in set_test_addr_on_iface()
90 	       sizeof(test_ctx.iface->config.dhcpv6.prefix));  in set_test_addr_on_iface()
91 	test_ctx.iface->config.dhcpv6.prefix_len = test_prefix_len;  in set_test_addr_on_iface()
94 static void clear_test_addr_on_iface(struct net_if *iface)  in clear_test_addr_on_iface()  argument
96 	memset(&test_ctx.iface->config.dhcpv6.addr, 0,  in clear_test_addr_on_iface()
97 	       sizeof(test_ctx.iface->config.dhcpv6.addr));  in clear_test_addr_on_iface()
98 	memset(&test_ctx.iface->config.dhcpv6.prefix, 0,  in clear_test_addr_on_iface()
99 	       sizeof(test_ctx.iface->config.dhcpv6.prefix));  in clear_test_addr_on_iface()
100 	test_ctx.iface->config.dhcpv6.prefix_len = 0;  in clear_test_addr_on_iface()
119 static void set_fake_server_duid(struct net_if *iface)  in set_fake_server_duid()  argument
121 	memcpy(&iface->config.dhcpv6.serverid, &test_serverid,  in set_fake_server_duid()
128 		struct net_if *iface, enum dhcpv6_msg_type msg_type,  in test_dhcpv6_create_message()  argument
135 	local_addr = net_if_ipv6_get_ll(iface, NET_ADDR_ANY_STATE);  in test_dhcpv6_create_message()
147 	pkt = net_pkt_alloc_with_buffer(iface, TEST_MSG_SIZE, AF_INET6,  in test_dhcpv6_create_message()
159 	dhcpv6_generate_tid(iface);  in test_dhcpv6_create_message()
161 	if (dhcpv6_add_header(pkt, msg_type, iface->config.dhcpv6.tid) < 0) {  in test_dhcpv6_create_message()
165 	if (set_options_fn(iface, pkt, msg_type) < 0) {  in test_dhcpv6_create_message()
182 			struct net_if *iface)  in evt_handler()  argument
189 		net_ipv6_addr_create_iid(&lladdr, net_if_get_link_addr(test_ctx.iface));  in evt_handler()
190 		(void)net_if_ipv6_addr_add(test_ctx.iface, &lladdr, NET_ADDR_AUTOCONF, 0);  in evt_handler()
198 	test_ctx.iface = net_if_get_first_by_type(&NET_L2_GET_NAME(DUMMY));  in dhcpv6_tests_setup()
200 	net_ipv6_addr_create_iid(&lladdr, net_if_get_link_addr(test_ctx.iface));  in dhcpv6_tests_setup()
201 	(void)net_if_ipv6_addr_add(test_ctx.iface, &lladdr, NET_ADDR_AUTOCONF, 0);  in dhcpv6_tests_setup()
224 	memset(&test_ctx.iface->config.dhcpv6, 0,  in dhcpv6_tests_before()
225 	       sizeof(test_ctx.iface->config.dhcpv6));  in dhcpv6_tests_before()
227 	dhcpv6_generate_client_duid(test_ctx.iface);  in dhcpv6_tests_before()
228 	test_ctx.iface->config.dhcpv6.state = NET_DHCPV6_DISABLED;  in dhcpv6_tests_before()
229 	test_ctx.iface->config.dhcpv6.addr_iaid = 10;  in dhcpv6_tests_before()
230 	test_ctx.iface->config.dhcpv6.prefix_iaid = 20;  in dhcpv6_tests_before()
231 	test_ctx.iface->config.dhcpv6.exchange_start = k_uptime_get();  in dhcpv6_tests_before()
232 	test_ctx.iface->config.dhcpv6.params = (struct net_dhcpv6_params){  in dhcpv6_tests_before()
239 	net_if_ipv6_addr_rm(test_ctx.iface, &test_addr);  in dhcpv6_tests_before()
240 	net_if_ipv6_prefix_rm(test_ctx.iface, &test_prefix, test_prefix_len);  in dhcpv6_tests_before()
250 		net_dhcpv6_stop(test_ctx.iface);  in dhcpv6_tests_after()
254 static void verify_dhcpv6_header(struct net_if *iface, struct net_pkt *pkt,  in verify_dhcpv6_header()  argument
269 	zassert_mem_equal(tid, iface->config.dhcpv6.tid, sizeof(tid),  in verify_dhcpv6_header()
273 static void verify_dhcpv6_clientid(struct net_if *iface, struct net_pkt *pkt)  in verify_dhcpv6_clientid()  argument
280 	zassert_equal(duid.length, iface->config.dhcpv6.clientid.length,  in verify_dhcpv6_clientid()
282 	zassert_mem_equal(&duid.duid, &iface->config.dhcpv6.clientid.duid,  in verify_dhcpv6_clientid()
286 static void verify_dhcpv6_serverid(struct net_if *iface, struct net_pkt *pkt)  in verify_dhcpv6_serverid()  argument
293 	zassert_equal(duid.length, iface->config.dhcpv6.serverid.length,  in verify_dhcpv6_serverid()
295 	zassert_mem_equal(&duid.duid, &iface->config.dhcpv6.serverid.duid,  in verify_dhcpv6_serverid()
299 static void verify_dhcpv6_no_serverid(struct net_if *iface, struct net_pkt *pkt)  in verify_dhcpv6_no_serverid()  argument
308 static void verify_dhcpv6_elapsed_time(struct net_if *iface, struct net_pkt *pkt,  in verify_dhcpv6_elapsed_time()  argument
330 static void verify_dhcpv6_ia_na(struct net_if *iface, struct net_pkt *pkt,  in verify_dhcpv6_ia_na()  argument
338 	zassert_equal(ia_na.iaid, iface->config.dhcpv6.addr_iaid,  in verify_dhcpv6_ia_na()
358 static void verify_dhcpv6_ia_pd(struct net_if *iface, struct net_pkt *pkt,  in verify_dhcpv6_ia_pd()  argument
366 		zassert_equal(ia_pd.iaid, iface->config.dhcpv6.prefix_iaid,  in verify_dhcpv6_ia_pd()
388 static void verify_dhcpv6_no_reconfigure_accept(struct net_if *iface,  in verify_dhcpv6_no_reconfigure_accept()  argument
403 static void verify_dhcpv6_oro_sol_max_rt(struct net_if *iface,  in verify_dhcpv6_oro_sol_max_rt()  argument
434 static void verify_solicit_message(struct net_if *iface, struct net_pkt *pkt)  in verify_solicit_message()  argument
437 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_SOLICIT);  in verify_solicit_message()
440 	verify_dhcpv6_clientid(iface, pkt);  in verify_solicit_message()
441 	verify_dhcpv6_no_serverid(iface, pkt);  in verify_solicit_message()
442 	verify_dhcpv6_elapsed_time(iface, pkt, 0, 10);  in verify_solicit_message()
443 	verify_dhcpv6_ia_na(iface, pkt, NULL);  in verify_solicit_message()
444 	verify_dhcpv6_ia_pd(iface, pkt, NULL, 0);  in verify_solicit_message()
445 	verify_dhcpv6_no_reconfigure_accept(iface, pkt);  in verify_solicit_message()
446 	verify_dhcpv6_oro_sol_max_rt(iface, pkt);  in verify_solicit_message()
458 	ret = dhcpv6_send_solicit(test_ctx.iface);  in ZTEST()
465 static void verify_request_message(struct net_if *iface, struct net_pkt *pkt)  in verify_request_message()  argument
468 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_REQUEST);  in verify_request_message()
471 	verify_dhcpv6_clientid(iface, pkt);  in verify_request_message()
472 	verify_dhcpv6_serverid(iface, pkt);  in verify_request_message()
473 	verify_dhcpv6_elapsed_time(iface, pkt, 0, 10);  in verify_request_message()
474 	verify_dhcpv6_ia_na(iface, pkt, NULL);  in verify_request_message()
475 	verify_dhcpv6_ia_pd(iface, pkt, NULL, 0);  in verify_request_message()
476 	verify_dhcpv6_no_reconfigure_accept(iface, pkt);  in verify_request_message()
477 	verify_dhcpv6_oro_sol_max_rt(iface, pkt);  in verify_request_message()
487 	set_fake_server_duid(test_ctx.iface);  in ZTEST()
490 	ret = dhcpv6_send_request(test_ctx.iface);  in ZTEST()
497 static void verify_confirm_message(struct net_if *iface, struct net_pkt *pkt)  in verify_confirm_message()  argument
500 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_CONFIRM);  in verify_confirm_message()
503 	verify_dhcpv6_clientid(iface, pkt);  in verify_confirm_message()
504 	verify_dhcpv6_no_serverid(iface, pkt);  in verify_confirm_message()
505 	verify_dhcpv6_elapsed_time(iface, pkt, 0, 10);  in verify_confirm_message()
506 	verify_dhcpv6_ia_na(iface, pkt, &test_addr);  in verify_confirm_message()
516 	set_test_addr_on_iface(test_ctx.iface);  in ZTEST()
519 	ret = dhcpv6_send_confirm(test_ctx.iface);  in ZTEST()
526 void verify_renew_message(struct net_if *iface, struct net_pkt *pkt)  in verify_renew_message()  argument
529 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_RENEW);  in verify_renew_message()
532 	verify_dhcpv6_clientid(iface, pkt);  in verify_renew_message()
533 	verify_dhcpv6_serverid(iface, pkt);  in verify_renew_message()
534 	verify_dhcpv6_elapsed_time(iface, pkt, 0, 10);  in verify_renew_message()
535 	verify_dhcpv6_ia_na(iface, pkt, &test_addr);  in verify_renew_message()
536 	verify_dhcpv6_ia_pd(iface, pkt, &test_prefix, test_prefix_len);  in verify_renew_message()
537 	verify_dhcpv6_oro_sol_max_rt(iface, pkt);  in verify_renew_message()
547 	set_test_addr_on_iface(test_ctx.iface);  in ZTEST()
548 	set_fake_server_duid(test_ctx.iface);  in ZTEST()
551 	ret = dhcpv6_send_renew(test_ctx.iface);  in ZTEST()
558 static void verify_rebind_message(struct net_if *iface, struct net_pkt *pkt)  in verify_rebind_message()  argument
561 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_REBIND);  in verify_rebind_message()
564 	verify_dhcpv6_clientid(iface, pkt);  in verify_rebind_message()
565 	verify_dhcpv6_no_serverid(iface, pkt);  in verify_rebind_message()
566 	verify_dhcpv6_elapsed_time(iface, pkt, 0, 10);  in verify_rebind_message()
567 	verify_dhcpv6_ia_na(iface, pkt, &test_addr);  in verify_rebind_message()
568 	verify_dhcpv6_ia_pd(iface, pkt, &test_prefix, test_prefix_len);  in verify_rebind_message()
569 	verify_dhcpv6_oro_sol_max_rt(iface, pkt);  in verify_rebind_message()
579 	set_test_addr_on_iface(test_ctx.iface);  in ZTEST()
582 	ret = dhcpv6_send_rebind(test_ctx.iface);  in ZTEST()
589 static int set_generic_client_options(struct net_if *iface, struct net_pkt *pkt,  in set_generic_client_options()  argument
595 	ret = dhcpv6_add_option_clientid(pkt, &iface->config.dhcpv6.clientid);  in set_generic_client_options()
623 	test_ctx.iface->config.dhcpv6.state = NET_DHCPV6_INIT;  in ZTEST()
633 		pkt = test_dhcpv6_create_message(test_ctx.iface, type,  in ZTEST()
644 static int set_advertise_options(struct net_if *iface, struct net_pkt *pkt,  in set_advertise_options()  argument
648 		.iaid = iface->config.dhcpv6.addr_iaid,  in set_advertise_options()
656 		.iaid = iface->config.dhcpv6.prefix_iaid,  in set_advertise_options()
666 	ret = dhcpv6_add_option_clientid(pkt, &iface->config.dhcpv6.clientid);  in set_advertise_options()
676 	if (test_ctx.iface->config.dhcpv6.params.request_addr) {  in set_advertise_options()
683 	if (test_ctx.iface->config.dhcpv6.params.request_prefix) {  in set_advertise_options()
713 		test_ctx.iface->config.dhcpv6.state = state;  in ZTEST()
715 		pkt = test_dhcpv6_create_message(test_ctx.iface,  in ZTEST()
727 			zassert_equal(test_ctx.iface->config.dhcpv6.server_preference,  in ZTEST()
729 			zassert_equal(test_ctx.iface->config.dhcpv6.serverid.length,  in ZTEST()
731 			zassert_mem_equal(&test_ctx.iface->config.dhcpv6.serverid.duid,  in ZTEST()
746 static int set_reply_options(struct net_if *iface, struct net_pkt *pkt,  in set_reply_options()  argument
750 		.iaid = iface->config.dhcpv6.addr_iaid,  in set_reply_options()
758 		.iaid = iface->config.dhcpv6.prefix_iaid,  in set_reply_options()
768 	ret = dhcpv6_add_option_clientid(pkt, &iface->config.dhcpv6.clientid);  in set_reply_options()
778 	if (iface->config.dhcpv6.state == NET_DHCPV6_CONFIRMING) {  in set_reply_options()
817 		test_ctx.iface->config.dhcpv6.state = state;  in ZTEST()
819 		set_fake_server_duid(test_ctx.iface);  in ZTEST()
820 		clear_test_addr_on_iface(test_ctx.iface);  in ZTEST()
822 		pkt = test_dhcpv6_create_message(test_ctx.iface,  in ZTEST()
844 			zassert_mem_equal(&test_ctx.iface->config.dhcpv6.addr,  in ZTEST()
848 			zassert_mem_equal(&test_ctx.iface->config.dhcpv6.prefix,  in ZTEST()
852 			zassert_equal(test_ctx.iface->config.dhcpv6.prefix_len,  in ZTEST()
867 static void test_solicit_expect_request_send_reply(struct net_if *iface,  in test_solicit_expect_request_send_reply()  argument
874 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_REQUEST);  in test_solicit_expect_request_send_reply()
877 	verify_dhcpv6_clientid(iface, pkt);  in test_solicit_expect_request_send_reply()
878 	verify_dhcpv6_serverid(iface, pkt);  in test_solicit_expect_request_send_reply()
879 	verify_dhcpv6_ia_na(iface, pkt, NULL);  in test_solicit_expect_request_send_reply()
880 	verify_dhcpv6_ia_pd(iface, pkt, NULL, 0);  in test_solicit_expect_request_send_reply()
883 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_REQUESTING,  in test_solicit_expect_request_send_reply()
887 	reply = test_dhcpv6_create_message(test_ctx.iface,  in test_solicit_expect_request_send_reply()
896 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_BOUND,  in test_solicit_expect_request_send_reply()
898 	zassert_mem_equal(&test_ctx.iface->config.dhcpv6.addr,  in test_solicit_expect_request_send_reply()
900 	zassert_mem_equal(&test_ctx.iface->config.dhcpv6.prefix,  in test_solicit_expect_request_send_reply()
902 	zassert_equal(test_ctx.iface->config.dhcpv6.prefix_len,  in test_solicit_expect_request_send_reply()
908 static void test_solicit_expect_solicit_send_advertise(struct net_if *iface,  in test_solicit_expect_solicit_send_advertise()  argument
915 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_SOLICIT);  in test_solicit_expect_solicit_send_advertise()
918 	verify_dhcpv6_clientid(iface, pkt);  in test_solicit_expect_solicit_send_advertise()
919 	verify_dhcpv6_ia_na(iface, pkt, NULL);  in test_solicit_expect_solicit_send_advertise()
920 	verify_dhcpv6_ia_pd(iface, pkt, NULL, 0);  in test_solicit_expect_solicit_send_advertise()
923 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_SOLICITING,  in test_solicit_expect_solicit_send_advertise()
925 	zassert_equal(iface->config.dhcpv6.server_preference, -1,  in test_solicit_expect_solicit_send_advertise()
932 	reply = test_dhcpv6_create_message(test_ctx.iface,  in test_solicit_expect_solicit_send_advertise()
941 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_SOLICITING,  in test_solicit_expect_solicit_send_advertise()
943 	zassert_equal(iface->config.dhcpv6.server_preference, test_preference,  in test_solicit_expect_solicit_send_advertise()
945 	zassert_equal(test_serverid.length, iface->config.dhcpv6.serverid.length,  in test_solicit_expect_solicit_send_advertise()
947 	zassert_mem_equal(&test_serverid.duid, &iface->config.dhcpv6.serverid.duid,  in test_solicit_expect_solicit_send_advertise()
963 	memset(&test_ctx.iface->config.dhcpv6, 0,  in ZTEST()
964 	       sizeof(test_ctx.iface->config.dhcpv6));  in ZTEST()
968 	net_dhcpv6_start(test_ctx.iface, &params);  in ZTEST()
973 	addr = net_if_ipv6_addr_lookup_by_iface(test_ctx.iface, &test_addr);  in ZTEST()
974 	prefix = net_if_ipv6_prefix_lookup(test_ctx.iface, &test_prefix,  in ZTEST()
980 static void expect_request_send_reply(struct net_if *iface, struct net_pkt *pkt)  in expect_request_send_reply()  argument
985 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_REQUEST);  in expect_request_send_reply()
989 	reply = test_dhcpv6_create_message(test_ctx.iface,  in expect_request_send_reply()
1000 static void expect_solicit_send_advertise(struct net_if *iface, struct net_pkt *pkt)  in expect_solicit_send_advertise()  argument
1005 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_SOLICIT);  in expect_solicit_send_advertise()
1009 	reply = test_dhcpv6_create_message(test_ctx.iface,  in expect_solicit_send_advertise()
1026 	net_dhcpv6_start(test_ctx.iface, params);  in test_dhcpv6_start_and_enter_bound()
1030 	zassert_equal(test_ctx.iface->config.dhcpv6.state, NET_DHCPV6_BOUND,  in test_dhcpv6_start_and_enter_bound()
1034 static void test_confirm_expect_confirm_send_reply(struct net_if *iface,  in test_confirm_expect_confirm_send_reply()  argument
1041 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_CONFIRM);  in test_confirm_expect_confirm_send_reply()
1044 	verify_dhcpv6_clientid(iface, pkt);  in test_confirm_expect_confirm_send_reply()
1045 	verify_dhcpv6_ia_na(iface, pkt, &test_addr);  in test_confirm_expect_confirm_send_reply()
1048 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_CONFIRMING,  in test_confirm_expect_confirm_send_reply()
1054 	reply = test_dhcpv6_create_message(test_ctx.iface,  in test_confirm_expect_confirm_send_reply()
1063 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_BOUND,  in test_confirm_expect_confirm_send_reply()
1065 	zassert_equal(test_serverid.length, iface->config.dhcpv6.serverid.length,  in test_confirm_expect_confirm_send_reply()
1067 	zassert_mem_equal(&test_serverid.duid, &iface->config.dhcpv6.serverid.duid,  in test_confirm_expect_confirm_send_reply()
1086 	memset(&test_ctx.iface->config.dhcpv6, 0,  in ZTEST()
1087 	       sizeof(test_ctx.iface->config.dhcpv6));  in ZTEST()
1092 	net_if_down(test_ctx.iface);  in ZTEST()
1093 	net_if_up(test_ctx.iface);  in ZTEST()
1098 	addr = net_if_ipv6_addr_lookup_by_iface(test_ctx.iface, &test_addr);  in ZTEST()
1102 static void test_rebind_expect_rebind_send_reply(struct net_if *iface,  in test_rebind_expect_rebind_send_reply()  argument
1109 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_REBIND);  in test_rebind_expect_rebind_send_reply()
1112 	verify_dhcpv6_clientid(iface, pkt);  in test_rebind_expect_rebind_send_reply()
1113 	verify_dhcpv6_ia_na(iface, pkt, &test_addr);  in test_rebind_expect_rebind_send_reply()
1114 	verify_dhcpv6_ia_pd(iface, pkt, &test_prefix, test_prefix_len);  in test_rebind_expect_rebind_send_reply()
1117 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_REBINDING,  in test_rebind_expect_rebind_send_reply()
1123 	reply = test_dhcpv6_create_message(test_ctx.iface,  in test_rebind_expect_rebind_send_reply()
1132 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_BOUND,  in test_rebind_expect_rebind_send_reply()
1134 	zassert_equal(test_serverid.length, iface->config.dhcpv6.serverid.length,  in test_rebind_expect_rebind_send_reply()
1136 	zassert_mem_equal(&test_serverid.duid, &iface->config.dhcpv6.serverid.duid,  in test_rebind_expect_rebind_send_reply()
1156 	memset(&test_ctx.iface->config.dhcpv6, 0,  in ZTEST()
1157 	       sizeof(test_ctx.iface->config.dhcpv6));  in ZTEST()
1162 	net_if_down(test_ctx.iface);  in ZTEST()
1163 	net_if_up(test_ctx.iface);  in ZTEST()
1168 	addr = net_if_ipv6_addr_lookup_by_iface(test_ctx.iface, &test_addr);  in ZTEST()
1169 	prefix = net_if_ipv6_prefix_lookup(test_ctx.iface, &test_prefix,  in ZTEST()
1175 static void test_renew_expect_renew_send_reply(struct net_if *iface,  in test_renew_expect_renew_send_reply()  argument
1182 	verify_dhcpv6_header(iface, pkt, DHCPV6_MSG_TYPE_RENEW);  in test_renew_expect_renew_send_reply()
1185 	verify_dhcpv6_clientid(iface, pkt);  in test_renew_expect_renew_send_reply()
1186 	verify_dhcpv6_serverid(iface, pkt);  in test_renew_expect_renew_send_reply()
1187 	verify_dhcpv6_ia_na(iface, pkt, &test_addr);  in test_renew_expect_renew_send_reply()
1188 	verify_dhcpv6_ia_pd(iface, pkt, &test_prefix, test_prefix_len);  in test_renew_expect_renew_send_reply()
1191 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_RENEWING,  in test_renew_expect_renew_send_reply()
1197 	reply = test_dhcpv6_create_message(test_ctx.iface,  in test_renew_expect_renew_send_reply()
1206 	zassert_equal(iface->config.dhcpv6.state, NET_DHCPV6_BOUND,  in test_renew_expect_renew_send_reply()
1208 	zassert_equal(test_serverid.length, iface->config.dhcpv6.serverid.length,  in test_renew_expect_renew_send_reply()
1210 	zassert_mem_equal(&test_serverid.duid, &iface->config.dhcpv6.serverid.duid,  in test_renew_expect_renew_send_reply()
1228 	memset(&test_ctx.iface->config.dhcpv6, 0,  in ZTEST()
1229 	       sizeof(test_ctx.iface->config.dhcpv6));  in ZTEST()
1235 	test_ctx.iface->config.dhcpv6.t1 = k_uptime_get();  in ZTEST()
1236 	test_ctx.iface->config.dhcpv6.timeout = test_ctx.iface->config.dhcpv6.t1;  in ZTEST()
1242 	addr = net_if_ipv6_addr_lookup_by_iface(test_ctx.iface, &test_addr);  in ZTEST()
1243 	prefix = net_if_ipv6_prefix_lookup(test_ctx.iface, &test_prefix,  in ZTEST()
1261 	memset(&test_ctx.iface->config.dhcpv6, 0,  in ZTEST()
1262 	       sizeof(test_ctx.iface->config.dhcpv6));  in ZTEST()
1268 	test_ctx.iface->config.dhcpv6.t1 = k_uptime_get();  in ZTEST()
1269 	test_ctx.iface->config.dhcpv6.timeout = test_ctx.iface->config.dhcpv6.t1;  in ZTEST()
1278 	test_ctx.iface->config.dhcpv6.t2 = k_uptime_get();  in ZTEST()
1279 	test_ctx.iface->config.dhcpv6.timeout = test_ctx.iface->config.dhcpv6.t2;  in ZTEST()
1285 	addr = net_if_ipv6_addr_lookup_by_iface(test_ctx.iface, &test_addr);  in ZTEST()
1286 	prefix = net_if_ipv6_prefix_lookup(test_ctx.iface, &test_prefix,  in ZTEST()