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
Start2023/01/26 16:32:04
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

16:32:04Start

== create an IPv6 socket ==
16:32:04socket(domain:AF_INET6, type:SOCK_STREAM, protocol:0)
16:32:04return sockfd=4

== get default hoplimit ==
16:32:04getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffcf1793bc, optlen:0x3ffcf1793b8)
16:32:04return hoplimit=64

== set hoplimit to 256 ==
16:32:04setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffcf1793c0, optlen:4)
16:32:04return error EINVAL

== set hoplimit to 32767 ==
16:32:04setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffcf1793c0, optlen:4)
16:32:04return error EINVAL

== check whether hoplimit has been changed ==
16:32:04getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffcf1793c0, optlen:0x3ffcf1793b8)
16:32:04return hoplimit=64

OK
16:32:04End