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
Start2023/01/17 08:42:15
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

08:42:15Start

== create an IPv6 socket ==
08:42:15socket(domain:AF_INET6, type:SOCK_STREAM, protocol:0)
08:42:15return sockfd=4

== set sk0 IPV6_MTU_DISCOVER to 64 ==
08:42:16setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:4)
08:42:16return error EINVAL

== set sk0 IPV6_MTU_DISCOVER to -1 ==
08:42:16setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:4)
08:42:16return error EINVAL

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_DONT ==
08:42:16setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:4)
08:42:16return 0
08:42:16getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:0x7ffc5098ab24)
08:42:16return length 4

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_WANT ==
08:42:16setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:4)
08:42:16return 0
08:42:16getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:0x7ffc5098ab24)
08:42:16return length 4

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_DO ==
08:42:16setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:4)
08:42:16return 0
08:42:16getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:0x7ffc5098ab24)
08:42:16return length 4

== set sk0 IPV6_MTU_DISCOVER to IPV6_PMTUDISC_PROBE ==
08:42:16setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:4)
08:42:16return 0
08:42:16getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MTU_DISCOVER, optval:0x7ffc5098ab28, optlen:0x7ffc5098ab24)
08:42:16return length 4

OK
08:42:16close(4)
08:42:16End