Test Information

TitleReceiving interface index when the IPV6_RECVPKTINFO socket option is enabled
CommandLine./tst_recv_ifindex_udp --log=2.html --title=Receiving interface index when the IPV6_RECVPKTINFO socket option is enabled
TestVersionREL_1_1_18
Start2023/01/26 16:32:53
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

16:32:53Start

== create an IPv6/UDP socket ==
16:32:53socket(domain:AF_INET6, type:SOCK_DGRAM, protocol:0)
16:32:53return sockfd=4
16:32:54tst_get_unused_port() get port 56352

== set IPV6_RECVPKTINFO to 1 ==
16:32:54setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_RECVPKTINFO, optval:0x3ffe73783f4, optlen:4)
16:32:54return 0

== bind socket to address ==
16:32:54bind(sockfd:4, my_addr:0x3ffe73784d4, addrlen:28)
16:32:54return 0

== send message to itself ==
16:32:54sendto(sockfd:4, buf:0x1007e00, len:17, flags:0, to:0x3ffe73784d4, tolen:28)
16:32:54return 17

== recv message ==
16:32:54recvmsg(sockfd:4, msg:0x3ffe7378488, flags:0)
16:32:54return 17
16:32:54if_nametoindex(ifname:"lo")
16:32:54return 1

the received interface index = 1, length = 36
16:32:54close(4)

OK
16:32:54End