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
Start2023/02/03 01:00:13
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

01:00:13Start

== create an IPv6 socket ==
01:00:13socket(domain:AF_INET6, type:SOCK_STREAM, protocol:0)
01:00:13return sockfd=4

== get default hoplimit ==
01:00:13getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffeca7849c, optlen:0x3ffeca78498)
01:00:13return hoplimit=64

== set hoplimit to 256 ==
01:00:13setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffeca784a0, optlen:4)
01:00:13return error EINVAL

== set hoplimit to 32767 ==
01:00:13setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffeca784a0, optlen:4)
01:00:13return error EINVAL

== check whether hoplimit has been changed ==
01:00:13getsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffeca784a0, optlen:0x3ffeca78498)
01:00:13return hoplimit=64

OK
01:00:13End