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tests: WNM BSS Transition Management with MBO IE

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Add tests to verify that MBO IE in BSS Transition Management Request
frame is parsed correctly:

1. The MBO transition reason code is received by the MBO station.
2. The MBO cellular data connection preference is received by the
   MBO station.
3. The MBO station does not try to connect to the AP until the retry
   delay is over.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
This commit is contained in:
Avraham Stern 2016-02-15 16:53:54 +02:00 committed by Jouni Malinen
parent edf46d7f41
commit 85cc109ea6
1 changed files with 59 additions and 0 deletions
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59
tests/hwsim/test_wnm.py
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@ -1026,3 +1026,62 @@ def test_wnm_action_proto_no_pmf(dev, apdev):
ev = dev[0].wait_event(["WNM: Ignore Key Data"], timeout=5)
if ev is None:
raise Exception("Key Data not ignored")
def test_wnm_bss_tm_req_with_mbo_ie(dev, apdev):
"""WNM BSS transition request with MBO IE and reassociation delay attribute"""
ssid = "test-wnm-mbo"
params = hostapd.wpa2_params(ssid=ssid, passphrase="12345678")
hapd = hostapd.add_ap(apdev[0]['ifname'], params)
bssid = apdev[0]['bssid']
if "OK" not in dev[0].request("SET mbo_cell_capa 1"):
raise Exception("Failed to set STA as cellular data capable")
dev[0].connect(ssid, psk="12345678", key_mgmt="WPA-PSK",
proto="WPA2", ieee80211w="0", scan_freq="2412")
logger.debug("BTM request with MBO reassociation delay when disassoc imminent is not set")
if 'FAIL' not in hapd.request("BSS_TM_REQ " + dev[0].own_addr() + " mbo=3:2:1"):
raise Exception("BSS transition management succeeded unexpectedly")
logger.debug("BTM request with invalid MBO transition reason code")
if 'FAIL' not in hapd.request("BSS_TM_REQ " + dev[0].own_addr() + " mbo=10:2:1"):
raise Exception("BSS transition management succeeded unexpectedly")
logger.debug("BTM request with MBO reassociation retry delay of 5 seconds")
if 'OK' not in hapd.request("BSS_TM_REQ " + dev[0].own_addr() + " disassoc_imminent=1 disassoc_timer=3 mbo=3:5:1"):
raise Exception("BSS transition management command failed")
ev = dev[0].wait_event(['MBO-CELL-PREFERENCE'], 1)
if ev is None or "preference=1" not in ev:
raise Exception("Timeout waiting for MBO-CELL-PREFERENCE event")
ev = dev[0].wait_event(['MBO-TRANSITION-REASON'], 1)
if ev is None or "reason=3" not in ev:
raise Exception("Timeout waiting for MBO-TRANSITION-REASON event")
ev = hapd.wait_event(['BSS-TM-RESP'], timeout=10)
if ev is None:
raise Exception("No BSS Transition Management Response")
if dev[0].own_addr() not in ev:
raise Exception("Unexpected BSS Transition Management Response address")
ev = dev[0].wait_event(['CTRL-EVENT-DISCONNECTED'], 5)
if ev is None:
raise Exception("Station did not disconnect although disassoc imminent was set")
# Set the scan interval to make dev[0] look for connections
if 'OK' not in dev[0].request("SCAN_INTERVAL 1"):
raise Exception("Failed to set scan interval")
# Make sure no connection is made during the retry delay
ev = dev[0].wait_event(['CTRL-EVENT-CONNECTED'], 5)
if ev is not None:
raise Exception("Station connected before assoc retry delay was over")
# After the assoc retry delay is over, we can reconnect
ev = dev[0].wait_event(['CTRL-EVENT-CONNECTED'], 5)
if ev is None:
raise Exception("Station did not connect after assoc retry delay is over")
if "OK" not in dev[0].request("SET mbo_cell_capa 3"):
raise Exception("Failed to set STA as cellular data not-capable")