Test Information

TitleReceiving the Traffic Class when the IPV6_RECVTCLASS socket option is enabled
CommandLine./tst_recv_tclass_udp --log=10.html --title=Receiving the Traffic Class when the IPV6_RECVTCLASS socket option is enabled
TestVersionREL_1_1_18
Start2023/01/17 08:41:20
SystemName(null)
KernelVersion(null)

Test Sequence Execution Log

08:41:20Start

== create an IPv6/UDP socket ==
08:41:20socket(domain:AF_INET6, type:SOCK_DGRAM, protocol:0)
08:41:20return sockfd=4
08:41:21tst_get_unused_port() get port 53067

== set IPV6_TCLASS to 255 ==
08:41:21setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_TCLASS, optval:0x7ffe57653ddc, optlen:4)
08:41:21return 0

== set IPV6_RECVTCLASS to 1 ==
08:41:21setsockopt(sockfd:4, level:IPPROTO_IPV6, optname:IPV6_RECVTCLASS, optval:0x7ffe57653ddc, optlen:4)
08:41:21return 0

== bind socket to address ==
08:41:21bind(sockfd:4, my_addr:0x7ffe57653ec0, addrlen:28)
08:41:21return 0

== send message to itself ==
08:41:22sendto(sockfd:4, buf:0x407010, len:17, flags:0, to:0x7ffe57653ec0, tolen:28)
08:41:22return 17

== recv message ==
08:41:22recvmsg(sockfd:4, msg:0x7ffe57653e70, flags:0)
08:41:22return 17

the received traffic class = 255, length = 20
08:41:22close(4)

OK
08:41:22End