Cover the three ways a PSP association could previously be installed on a
socket with no connection behind it: an unconnected socket, a listener,
and a socket whose connection has already started to go away.

Signed-off-by: Daniel Zahka <[email protected]>
---
 tools/testing/selftests/drivers/net/psp.py | 43 ++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/tools/testing/selftests/drivers/net/psp.py 
b/tools/testing/selftests/drivers/net/psp.py
index 0a2329f41431..6b761c981c6b 100755
--- a/tools/testing/selftests/drivers/net/psp.py
+++ b/tools/testing/selftests/drivers/net/psp.py
@@ -319,6 +319,49 @@ def assoc_sk_only_unconn(cfg):
         ksft_eq(the_exception.nl_msg.error, -errno.EINVAL)
 
 
+def assoc_rx_unconnected(cfg):
+    """ Test that an Rx assoc is rejected on an unconnected socket """
+    _init_psp_dev(cfg)
+
+    with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as s:
+        with ksft_raises(NlError) as cm:
+            cfg.pspnl.rx_assoc({"version": 0,
+                                "dev-id": cfg.psp_dev_id,
+                                "sock-fd": s.fileno()})
+        ksft_eq(cm.exception.nl_msg.error, -errno.ENOTCONN)
+        ksft_eq(cm.exception.nl_msg.extack['bad-attr'], ".sock-fd")
+
+
+def assoc_rx_listener(cfg):
+    """ Test that an Rx assoc is rejected on a listening socket """
+    _init_psp_dev(cfg)
+
+    with socket.create_server(("localhost", 0)) as s:
+        with ksft_raises(NlError) as cm:
+            cfg.pspnl.rx_assoc({"version": 0,
+                                "dev-id": cfg.psp_dev_id,
+                                "sock-fd": s.fileno()})
+        ksft_eq(cm.exception.nl_msg.error, -errno.ENOTCONN)
+        ksft_eq(cm.exception.nl_msg.extack['bad-attr'], ".sock-fd")
+
+
+def assoc_tx_non_established(cfg):
+    """ Test that a Tx assoc is rejected in a post established state after 
shutdown """
+    _init_psp_dev(cfg)
+
+    with _make_lo_conn() as s:
+        assoc = cfg.pspnl.rx_assoc({"version": 0,
+                                    "dev-id": cfg.psp_dev_id,
+                                    "sock-fd": s.fileno()})
+        s.shutdown(socket.SHUT_WR)
+        with ksft_raises(NlError) as cm:
+            cfg.pspnl.tx_assoc({"dev-id": cfg.psp_dev_id,
+                                "version": 0,
+                                "tx-key": assoc['rx-key'],
+                                "sock-fd": s.fileno()})
+        ksft_eq(cm.exception.nl_msg.error, -errno.ENOTCONN)
+
+
 def assoc_version_mismatch(cfg):
     """ Test creating associations where Rx and Tx PSP versions do not match 
"""
     _init_psp_dev(cfg)

-- 
2.52.0


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