Test Information

Titlecheck path mtu discover method use IPV6_MTU_DISCOVER
CommandLine./tst_ipv6_mtudiscover --log=7.html --title=check path mtu discover method use IPV6_MTU_DISCOVER
TestVersionREL_1_1_18
Start2023/02/03 01:02:12
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

01:02:12Start

== create an IPv6 socket ==
01:02:12socket(domain:AF_INET6, type:SOCK_STREAM, protocol:0)
01:02:12return sockfd=4

== set sk0 IPV6_MTU_DISCOVER to 64 ==
01:02:12setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:4)
01:02:12return error EINVAL

== set sk0 IPV6_MTU_DISCOVER to -1 ==
01:02:12setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:4)
01:02:12return error EINVAL

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_DONT ==
01:02:12setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:4)
01:02:12return 0
01:02:12getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:0x3ffff878bfc)
01:02:12return length 4

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_WANT ==
01:02:12setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:4)
01:02:12return 0
01:02:12getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:0x3ffff878bfc)
01:02:12return length 4

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_DO ==
01:02:12setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:4)
01:02:12return 0
01:02:12getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:0x3ffff878bfc)
01:02:12return length 4

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_PROBE ==
01:02:13setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:4)
01:02:13return 0
01:02:13getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffff878c00, optlen:0x3ffff878bfc)
01:02:13return length 4

OK
01:02:13close(4)
01:02:13End