diff options
2 files changed, 44 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_trigger-rst-listener-closed.pkt b/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_trigger-rst-listener-closed.pkt new file mode 100644 index 000000000000..e82e06da44c9 --- /dev/null +++ b/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_trigger-rst-listener-closed.pkt @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Close a listener socket with pending TFO child. +// This will trigger RST pkt to go out. + +`./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> + +// RST pkt is generated for each not-yet-accepted TFO child. +// inet_csk_listen_stop() -> inet_child_forget() -> tcp_disconnect() +// -> tcp_need_reset() is true for SYN_RECV + +0 close(3) = 0 + +0 > R. 1:1(0) ack 11 diff --git a/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_trigger-rst-unread-data-closed.pkt b/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_trigger-rst-unread-data-closed.pkt new file mode 100644 index 000000000000..09fb63f78a0e --- /dev/null +++ b/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_trigger-rst-unread-data-closed.pkt @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Close a TFO socket with unread data. +// This will trigger a RST pkt. + +`./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> + + +0 accept(3, ..., ...) = 4 + +0 %{ assert (tcpi_options & TCPI_OPT_SYN_DATA) != 0, tcpi_options }% + +0 %{ assert tcpi_state == TCP_SYN_RECV, tcpi_state }% + +// data_was_unread == true in __tcp_close() + +0 close(4) = 0 + +0 > R. 1:1(0) ack 11 |