diff --git a/gtests/net/packetdrill/tests/bsd/tcp/listen/listen-incoming-rst.pkt b/gtests/net/packetdrill/tests/bsd/tcp/listen/listen-incoming-rst.pkt new file mode 100644 index 0000000000000000000000000000000000000000..e331c71f717170cac530d6a934153b6ddf5a38c2 --- /dev/null +++ b/gtests/net/packetdrill/tests/bsd/tcp/listen/listen-incoming-rst.pkt @@ -0,0 +1,26 @@ +// Test behavior when a listener gets an incoming packet +// from a new sender on a non-established session that has +// the RST bit set but not the SYN bit set. +// Listener should send a RESET. +// Checking if we can establish a connection with the +// system after a connection reset. + +0.000 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0.000 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0.000 bind(3, ..., ...) = 0 +0.000 listen(3, 1) = 0 + +0.100 < R 0:0(0) win 65535 <mss 1460,sackOK,nop,nop,nop,wscale 7> + +// The TCP stack should not respond to incoming RSTs, or else +// we could get infinite RST ping-pong storms. + +// Now make sure that when a valid SYN arrives shortly thereafter +// (with the same address 4-tuple) we can still successfully establish +// a connection. + +0.200 < S 0:0(0) win 65535 <mss 1460,sackOK,nop,nop,nop,wscale 7> +0.200 > S. 0:0(0) ack 1 <...> + +0.300 < . 1:1(0) ack 1 win 65535 +0.300 accept(3, ..., ...) = 4