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
Start2023/01/26 16:33:05
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

16:33:05Start

== create an IPv6/UDP socket ==
16:33:05socket(domain:AF_INET6, type:SOCK_DGRAM, protocol:0)
16:33:05return sockfd=4
16:33:06tst_get_unused_port() get port 36060

== set hoplimit of socket to 64 ==
16:33:06setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_UNICAST_HOPS, optval:0x3ffd4af8954, optlen:4)
16:33:06return 0

== set IPV6_RECVHOPLIMIT to 1 ==
16:33:06setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_RECVHOPLIMIT, optval:0x3ffd4af8958, optlen:4)
16:33:06return 0

== bind socket to address ==
16:33:06bind(sockfd:4, my_addr:0x3ffd4af8a20, addrlen:28)
16:33:06return 0

== send message to itself ==
16:33:06sendto(sockfd:4, buf:0x1007e30, len:17, flags:0, to:0x3ffd4af8a20, tolen:28)
16:33:06return 17

== recv one message ==
16:33:07recvmsg(sockfd:4, msg:0x3ffd4af89d8, flags:0)
16:33:07return 17

the received hop limit = 64, length = 20
16:33:07close(4)

OK
16:33:07End