Test Information

TitleUse kernel default value when the IPV6_MULTICAST_HOPS option is set to -1
CommandLine./tst_mcast_hops_set_to_dafault --log=9.html --title=Use kernel default value when the IPV6_MULTICAST_HOPS option is set to -1
TestVersionREL_1_1_18
Start2023/01/17 08:40:17
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

08:40:17Start

== create an IPv6 socket ==
08:40:17socket(domain:AF_INET6, type:SOCK_DGRAM, protocol:0)
08:40:17return sockfd=4

== set hoplimit to 10 ==
08:40:17setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x7fff575438d8, optlen:4)
08:40:17return 0

== check whether hoplimit is set correctly ==
08:40:18getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x7fff575438d8, optlen:0x7fff575438d4)
08:40:18return length 4

== set hoplimit to -1 ==
08:40:18setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x7fff575438d8, optlen:4)
08:40:18return 0

== check whether hoplimit is set to kernel default value ==
08:40:18getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x7fff575438d8, optlen:0x7fff575438d4)
08:40:18return length 4

OK
08:40:18End