58 /* This is a helper function to get the MTU value for the given destination.
255 	zassert_equal(ret, 0, "PMTU IPv4 MTU update failed (%d)", ret);  in ZTEST()
273 	zassert_equal(ret, 0, "PMTU IPv6 MTU update failed (%d)", ret);  in ZTEST()
286 	uint16_t mtu;  in ZTEST()  local
293 	zassert_equal(ret, 1300, "PMTU IPv4 MTU update failed (%d)", ret);  in ZTEST()
295 	zassert_equal(entry->mtu, 1300, "PMTU IPv4 MTU is not correct (%d)",  in ZTEST()
296 		      entry->mtu);  in ZTEST()
302 	zassert_equal(ret, 0, "PMTU IPv4 MTU update failed (%d)", ret);  in ZTEST()
303 	mtu = net_pmtu_get_mtu((struct sockaddr *)&dest_ipv4);  in ZTEST()
304 	zassert_equal(mtu, 1400, "PMTU IPv4 MTU is not correct (%d)", mtu);  in ZTEST()
310 	zassert_equal(ret, 0, "PMTU IPv4 MTU update failed (%d)", ret);  in ZTEST()
312 	zassert_equal(entry->mtu, 1500, "PMTU IPv4 MTU is not correct (%d)",  in ZTEST()
313 		      entry->mtu);  in ZTEST()
317 	zassert_equal(ret, -ENOENT, "PMTU IPv4 MTU update succeed (%d)", ret);  in ZTEST()
319 	zassert_equal(entry, NULL, "PMTU IPv4 MTU update succeed");  in ZTEST()
330 	uint16_t mtu;  in ZTEST()  local
337 	zassert_equal(ret, 1600, "PMTU IPv6 MTU update failed (%d)", ret);  in ZTEST()
339 	zassert_equal(entry->mtu, 1600, "PMTU IPv6 MTU is not correct (%d)",  in ZTEST()
340 		      entry->mtu);  in ZTEST()
346 	zassert_equal(ret, 0, "PMTU IPv6 MTU update failed (%d)", ret);  in ZTEST()
347 	mtu = net_pmtu_get_mtu((struct sockaddr *)&dest_ipv6);  in ZTEST()
348 	zassert_equal(mtu, 1700, "PMTU IPv6 MTU is not correct (%d)", mtu);  in ZTEST()
354 	zassert_equal(ret, 0, "PMTU IPv6 MTU update failed (%d)", ret);  in ZTEST()
356 	zassert_equal(entry->mtu, 1800, "PMTU IPv6 MTU is not correct (%d)",  in ZTEST()
357 		      entry->mtu);  in ZTEST()
361 	zassert_equal(ret, -ENOENT, "PMTU IPv6 MTU update succeed (%d)", ret);  in ZTEST()
363 	zassert_equal(entry, NULL, "PMTU IPv6 MTU update succeed");  in ZTEST()
381 	zassert_equal(ret, 0, "PMTU IPv4 MTU update failed (%d)", ret);  in ZTEST()
384 	zassert_equal(entry->mtu, 1450, "PMTU IPv4 MTU is not correct (%d)",  in ZTEST()
385 		      entry->mtu);  in ZTEST()
391 	zassert_is_null(entry, "PMTU IPv4 MTU found when it should not be");  in ZTEST()
409 	zassert_equal(ret, 0, "PMTU IPv6 MTU update failed (%d)", ret);  in ZTEST()
412 	zassert_equal(entry->mtu, 1650, "PMTU IPv6 MTU is not correct (%d)",  in ZTEST()
413 		      entry->mtu);  in ZTEST()
431 	zassert_is_null(entry, "PMTU IPv6 MTU found when it should not be");  in ZTEST()
505 			     uint32_t mtu,  in create_icmpv6_ptb()  argument
539 	ptb_hdr.mtu = htonl(mtu);  in create_icmpv6_ptb()
566 	uint16_t mtu;  in ZTEST()  local
575 	/* Set initial MTU for the destination */  in ZTEST()
577 	zassert_true(ret >= 0, "PMTU IPv6 MTU update failed (%d)", ret);  in ZTEST()
589 	mtu = net_tcp_get_mtu((struct sockaddr *)&s_saddr);  in ZTEST()
590 	zassert_equal(mtu, 2048, "PMTU IPv6 MTU is not correct (%d)", mtu);  in ZTEST()
631 				      uint32_t mtu,  in create_icmpv4_dest_unreach()  argument
665 	du_hdr.mtu = htons(mtu);  in create_icmpv4_dest_unreach()
692 	uint16_t mtu;  in ZTEST()  local
701 	/* Set initial MTU for the destination */  in ZTEST()
703 	zassert_true(ret >= 0, "PMTU IPv6 MTU update failed (%d)", ret);  in ZTEST()
715 	mtu = net_tcp_get_mtu((struct sockaddr *)&s_saddr);  in ZTEST()
716 	zassert_equal(mtu, 2048, "PMTU IPv4 MTU is not correct (%d)", mtu);  in ZTEST()
739 	zassert_equal(ret, 0, "PMTU IPv4 MTU update failed (%d)", ret);  in ZTEST()
767 	zassert_equal(ret, 0, "PMTU IPv6 MTU update failed (%d)", ret);  in ZTEST()
795 	/* Set initial MTU for the destination */  in ZTEST()
797 	zassert_true(ret >= 0, "PMTU IPv4 MTU update failed (%d)", ret);  in ZTEST()
804 	zexpect_equal(optval, 4096, "setsockopt mtu (%d)", optval);  in ZTEST()
811 	zexpect_equal(optval, 0, "setsockopt mtu (%d)", optval);  in ZTEST()
834 	/* Set initial MTU for the destination */  in ZTEST()
836 	zassert_true(ret >= 0, "PMTU IPv6 MTU update failed (%d)", ret);  in ZTEST()
843 	zexpect_equal(optval, 2048, "getsockopt mtu (%d)", optval);  in ZTEST()
850 	zexpect_equal(optval, 1500, "setsockopt mtu (%d)", optval);  in ZTEST()
857 	zexpect_equal(optval, 1500, "getsockopt mtu (%d)", optval);  in ZTEST()