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
Start2023/01/26 16:34:04
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

16:34:04Start

== create an IPv6 socket ==
16:34:04socket(domain:AF_INET6, type:SOCK_STREAM, protocol:0)
16:34:04return sockfd=4

== set sk0 IPV6_MTU_DISCOVER to 64 ==
16:34:04setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:4)
16:34:04return error EINVAL

== set sk0 IPV6_MTU_DISCOVER to -1 ==
16:34:04setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:4)
16:34:04return error EINVAL

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_DONT ==
16:34:04setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:4)
16:34:04return 0
16:34:04getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:0x3ffd54f8fdc)
16:34:04return length 4

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_WANT ==
16:34:04setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:4)
16:34:04return 0
16:34:04getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:0x3ffd54f8fdc)
16:34:04return length 4

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_DO ==
16:34:04setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:4)
16:34:04return 0
16:34:04getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:0x3ffd54f8fdc)
16:34:04return length 4

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_PROBE ==
16:34:04setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:4)
16:34:04return 0
16:34:04getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x3ffd54f8fe0, optlen:0x3ffd54f8fdc)
16:34:04return length 4

OK
16:34:05close(4)
16:34:05End