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
Start2023/02/03 01:00:16
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

01:00:16Start

== create an IPv6 socket ==
01:00:16socket(domain:AF_INET6, type:SOCK_DGRAM, protocol:0)
01:00:16return sockfd=4

== set hoplimit to 10 ==
01:00:16setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x3ffe2779350, optlen:4)
01:00:16return 0

== check whether hoplimit is set correctly ==
01:00:16getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x3ffe2779350, optlen:0x3ffe277934c)
01:00:16return length 4

== set hoplimit to -1 ==
01:00:16setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x3ffe2779350, optlen:4)
01:00:16return 0

== check whether hoplimit is set to kernel default value ==
01:00:16getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_MULTICAST_HOPS, optval:0x3ffe2779350, optlen:0x3ffe277934c)
01:00:16return length 4

OK
01:00:17End