Test Information

TitleUse kernel default value when the IPV6_UNICAST_HOPS option is set to -1
CommandLine./tst_hop_limit_set_to_dafault --log=2.html --title=Use kernel default value when the IPV6_UNICAST_HOPS option is set to -1
TestVersionREL_1_1_18
Start2023/01/26 16:32:02
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

16:32:02Start

== create an IPv6 socket ==
16:32:02socket(domain:AF_INET6, type:SOCK_STREAM, protocol:0)
16:32:02return sockfd=4

== get default hoplimit ==
16:32:02getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffcd77890c, optlen:0x3ffcd778908)
16:32:02return hoplimit=64

== set hoplimit to 10 ==
16:32:02setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffcd778910, optlen:4)
16:32:02return 0

== check whether hoplimit is set correctly ==
16:32:03getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffcd778910, optlen:0x3ffcd778908)
16:32:03return hoplimit=10

== set hoplimit to -1 ==
16:32:03setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffcd778910, optlen:4)
16:32:03return 0

== check whether hoplimit is set to kernel default value ==
16:32:03getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffcd778910, optlen:0x3ffcd778908)
16:32:03return hoplimit=64

OK
16:32:03End