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-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_fastopen_server_fin-close-socket.pkt30
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_fin-close-socket.pkt b/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_fin-close-socket.pkt
new file mode 100644
index 000000000000..dc09f8d9a381
--- /dev/null
+++ b/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_fin-close-socket.pkt
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Send a FIN pkt with the ACK bit to a TFO socket.
+// The socket will go to TCP_CLOSE_WAIT state and data can be
+// read until the socket is closed, at which time a FIN will be sent.
+
+`./defaults.sh`
+
+ 0 socket(..., SOCK_STREAM|SOCK_NONBLOCK, IPPROTO_TCP) = 3
+ +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
+ +0 bind(3, ..., ...) = 0
+ +0 listen(3, 1) = 0
+ +0 setsockopt(3, SOL_TCP, TCP_FASTOPEN, [1], 4) = 0
+
+ +0 < S 0:10(10) win 32792 <mss 1460,sackOK,nop,nop,FO TFO_COOKIE,nop,nop>
+ +0 > S. 0:0(0) ack 11 <mss 1460,nop,nop,sackOK>
+
+// FIN is acked and the socket goes to TCP_CLOSE_WAIT state
+// in tcp_fin() called from tcp_data_queue().
+ +0 < F. 11:11(0) ack 1 win 32792
+ +0 > . 1:1(0) ack 12
+
+ +0 accept(3, ..., ...) = 4
+ +0 %{ assert (tcpi_options & TCPI_OPT_SYN_DATA) != 0, tcpi_options }%
+ +0 %{ assert tcpi_state == TCP_CLOSE_WAIT, tcpi_state }%
+
+ +0 read(4, ..., 512) = 10
+ +0 close(4) = 0
+ +0 > F. 1:1(0) ack 12
+ * > F. 1:1(0) ack 12