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
Start2023/01/26 16:32:07
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

16:32:07Start

== create an IPv6 socket ==
16:32:07socket(domain:AF_INET6, type:SOCK_DGRAM, protocol:0)
16:32:07return sockfd=4

== set hoplimit to 10 ==
16:32:07setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x3fff1df85a0, optlen:4)
16:32:07return 0

== check whether hoplimit is set correctly ==
16:32:07getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x3fff1df85a0, optlen:0x3fff1df859c)
16:32:07return length 4

== set hoplimit to -1 ==
16:32:07setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x3fff1df85a0, optlen:4)
16:32:07return 0

== check whether hoplimit is set to kernel default value ==
16:32:07getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x3fff1df85a0, optlen:0x3fff1df859c)
16:32:07return length 4

OK
16:32:08End