Test Information

TitleReceiving the Hop Limit when the IPV6_RECVHOPLIMIT socket option is enabled
CommandLine./tst_recv_hop_limit_udp --log=8.html --title=Receiving the Hop Limit when the IPV6_RECVHOPLIMIT socket option is enabled
TestVersionREL_1_1_18
Start2023/02/03 01:01:13
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

01:01:13Start

== create an IPv6/UDP socket ==
01:01:14socket(domain:AF_INET6, type:SOCK_DGRAM, protocol:0)
01:01:14return sockfd=4
01:01:15tst_get_unused_port() get port 35816

== set hoplimit of socket to 64 ==
01:01:15setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffc23f9104, optlen:4)
01:01:15return 0

== set IPV6_RECVHOPLIMIT to 1 ==
01:01:15setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_RECVHOPLIMIT, optval:0x3ffc23f9108, optlen:4)
01:01:15return 0

== bind socket to address ==
01:01:15bind(sockfd:4, my_addr:0x3ffc23f91d0, addrlen:28)
01:01:15return 0

== send message to itself ==
01:01:15sendto(sockfd:4, buf:0x1007e30, len:17, flags:0, to:0x3ffc23f91d0, tolen:28)
01:01:15return 17

== recv one message ==
01:01:15recvmsg(sockfd:4, msg:0x3ffc23f9188, flags:0)
01:01:15return 17

the received hop limit = 64, length = 20
01:01:15close(4)

OK
01:01:15End