tests: Validate that AP doesn't reflect station frames

Add a new test to check that the AP won't send frames to the client if
it tries to talk to itself.

Note that this fails until the relevant mac80211 patch is merged.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/tests/hwsim/test_ap_open.py b/tests/hwsim/test_ap_open.py
index 45fb7920fedd1e7094cc44e168c83560d264edaf..7e4a8c11eb9b69f4f29864e18a8c85ace567a071 100644 (file)
--- a/tests/hwsim/test_ap_open.py
+++ b/tests/hwsim/test_ap_open.py
@@ -814,3 +814,30 @@ def test_ap_open_reassoc_same(dev, apdev):
         hwsim_utils.test_connectivity(dev[0], hapd)
     finally:
         dev[0].request("SET reassoc_same_bss_optim 0")
+
+def test_ap_open_no_reflection(dev, apdev):
+    """AP with open mode, STA sending packets to itself"""
+    hapd = hostapd.add_ap(apdev[0], { "ssid": "open" })
+    dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
+
+    ev = hapd.wait_event([ "AP-STA-CONNECTED" ], timeout=5)
+    if ev is None:
+        raise Exception("No connection event received from hostapd")
+    # test normal connectivity is OK
+    hwsim_utils.test_connectivity(dev[0], hapd)
+
+    # test that we can't talk to ourselves
+    addr = dev[0].own_addr()
+    res = dev[0].request('DATA_TEST_CONFIG 1')
+    try:
+        assert 'OK' in res
+
+        cmd = "DATA_TEST_TX {} {} {}".format(addr, addr, 0)
+        dev[0].request(cmd)
+
+        ev = dev[0].wait_event(["DATA-TEST-RX"], timeout=1)
+
+        if ev is not None and "DATA-TEST-RX {} {}".format(addr, addr) in ev:
+            raise Exception("STA can unexpectedly talk to itself")
+    finally:
+        dev[0].request('DATA_TEST_CONFIG 0')