Test Information

TitleReturn an error of EINVAL when the IPV6_UNICAST_HOPS option is set to larger than 255
CommandLine./tst_hop_limit_set_to_gt_255 --log=4.html --title=Return an error of EINVAL when the IPV6_UNICAST_HOPS option is set to larger than 255
TestVersionREL_1_1_18
Start2023/01/17 08:40:14
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

08:40:14Start

== create an IPv6 socket ==
08:40:14socket(domain:AF_INET6, type:SOCK_STREAM, protocol:0)
08:40:14return sockfd=4

== get default hoplimit ==
08:40:14getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x7fff7345bfb4, optlen:0x7fff7345bfb0)
08:40:14return hoplimit=64

== set hoplimit to 256 ==
08:40:14setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x7fff7345bfb8, optlen:4)
08:40:14return error EINVAL

== set hoplimit to 32767 ==
08:40:14setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x7fff7345bfb8, optlen:4)
08:40:14return error EINVAL

== check whether hoplimit has been changed ==
08:40:15getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x7fff7345bfb8, optlen:0x7fff7345bfb0)
08:40:15return hoplimit=64

OK
08:40:15End