--- /dev/null
+# Test cases for wpa_supplicant WMM-AC operations
+# Copyright (c) 2014, Intel Corporation
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+from remotehost import remote_compatible
+import logging
+logger = logging.getLogger()
+import struct
+
+import hwsim_utils
+import hostapd
+
+def add_wmm_ap(apdev, acm_list):
+ params = { "ssid": "wmm_ac",
+ "hw_mode": "g",
+ "channel": "11",
+ "wmm_enabled" : "1"}
+
+ for ac in acm_list:
+ params["wmm_ac_%s_acm" % (ac.lower())] = "1"
+
+ return hostapd.add_ap(apdev, params)
+
+def test_tspec(dev, apdev):
+ """Basic addts/delts tests"""
+ # configure ap with VO and VI requiring admission-control
+ hapd = add_wmm_ap(apdev[0], ["VO", "VI"])
+ dev[0].connect("wmm_ac", key_mgmt="NONE", scan_freq="2462")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+ status = dev[0].request("WMM_AC_STATUS")
+ if "WMM AC is Enabled" not in status:
+ raise Exception("WMM-AC not enabled")
+ if "TSID" in status:
+ raise Exception("Unexpected TSID info")
+ if "BK: acm=0 uapsd=0" not in status:
+ raise Exception("Unexpected BK info" + status)
+ if "BE: acm=0 uapsd=0" not in status:
+ raise Exception("Unexpected BE info" + status)
+ if "VI: acm=1 uapsd=0" not in status:
+ raise Exception("Unexpected VI info" + status)
+ if "VO: acm=1 uapsd=0" not in status:
+ raise Exception("Unexpected VO info" + status)
+
+ # no tsid --> tsid out of range
+ if "FAIL" not in dev[0].request("WMM_AC_ADDTS downlink"):
+ raise Exception("Invalid WMM_AC_ADDTS accepted")
+ # no direction
+ if "FAIL" not in dev[0].request("WMM_AC_ADDTS tsid=5"):
+ raise Exception("Invalid WMM_AC_ADDTS accepted")
+ # param out of range
+ if "FAIL" not in dev[0].request("WMM_AC_ADDTS tsid=5 downlink"):
+ raise Exception("Invalid WMM_AC_ADDTS accepted")
+
+ tsid = 5
+
+ # make sure we fail when the ac is not configured for acm
+ try:
+ dev[0].add_ts(tsid, 3)
+ raise Exception("ADDTS succeeded although it should have failed")
+ except Exception, e:
+ if not str(e).startswith("ADDTS failed"):
+ raise
+ status = dev[0].request("WMM_AC_STATUS")
+ if "TSID" in status:
+ raise Exception("Unexpected TSID info")
+
+ # add tspec for UP=6
+ dev[0].add_ts(tsid, 6)
+ status = dev[0].request("WMM_AC_STATUS")
+ if "TSID" not in status:
+ raise Exception("Missing TSID info")
+
+ # using the same tsid for a different ac is invalid
+ try:
+ dev[0].add_ts(tsid, 5)
+ raise Exception("ADDTS succeeded although it should have failed")
+ except Exception, e:
+ if not str(e).startswith("ADDTS failed"):
+ raise
+
+ # update the tspec for a different UP of the same ac
+ dev[0].add_ts(tsid, 7, extra="fixed_nominal_msdu")
+ dev[0].del_ts(tsid)
+ status = dev[0].request("WMM_AC_STATUS")
+ if "TSID" in status:
+ raise Exception("Unexpected TSID info")
+
+ # verify failure on uplink/bidi without driver support
+ tsid = 6
+ try:
+ dev[0].add_ts(tsid, 7, direction="uplink")
+ raise Exception("ADDTS succeeded although it should have failed")
+ except Exception, e:
+ if not str(e).startswith("ADDTS failed"):
+ raise
+ try:
+ dev[0].add_ts(tsid, 7, direction="bidi")
+ raise Exception("ADDTS succeeded although it should have failed")
+ except Exception, e:
+ if not str(e).startswith("ADDTS failed"):
+ raise
+
+ # attempt to delete non-existing tsid
+ try:
+ dev[0].del_ts(tsid)
+ raise Exception("DELTS succeeded although it should have failed")
+ except Exception, e:
+ if not str(e).startswith("DELTS failed"):
+ raise
+
+def test_tspec_protocol(dev, apdev):
+ """Protocol tests for addts/delts"""
+ # configure ap with VO and VI requiring admission-control
+ hapd = add_wmm_ap(apdev[0], ["VO", "VI"])
+ dev[0].connect("wmm_ac", key_mgmt="NONE", scan_freq="2462")
+
+ dev[0].dump_monitor()
+ hapd.set("ext_mgmt_frame_handling", "1")
+
+ tsid = 6
+
+ # timeout on ADDTS response
+ dev[0].add_ts(tsid, 7, expect_failure=True)
+
+ hapd.dump_monitor()
+ req = "WMM_AC_ADDTS downlink tsid=6 up=7 nominal_msdu_size=1500 sba=9000 mean_data_rate=1500 min_phy_rate=6000000"
+ if "OK" not in dev[0].request(req):
+ raise Exception("WMM_AC_ADDTS failed")
+ # a new request while previous is still pending
+ if "FAIL" not in dev[0].request(req):
+ raise Exception("WMM_AC_ADDTS accepted while oen was still pending")
+ msg = hapd.mgmt_rx()
+ payload = msg['payload']
+ (categ, action, dialog, status) = struct.unpack('BBBB', payload[0:4])
+ if action != 0:
+ raise Exception("Unexpected Action code: %d" % action)
+
+ msg['da'] = msg['sa']
+ msg['sa'] = apdev[0]['bssid']
+
+ # unexpected dialog token
+ msg['payload'] = struct.pack('BBBB', 17, 1, (dialog + 1) & 0xff, 0) + payload[4:]
+ hapd.mgmt_tx(msg)
+
+ # valid response
+ msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0) + payload[4:]
+ hapd.mgmt_tx(msg)
+ ev = dev[0].wait_event(["TSPEC-ADDED"], timeout=10)
+ if ev is None:
+ raise Exception("Timeout on TSPEC-ADDED")
+ if "tsid=%d" % tsid not in ev:
+ raise Exception("Unexpected TSPEC-ADDED contents: " + ev)
+
+ # duplicated response
+ msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0) + payload[4:]
+ hapd.mgmt_tx(msg)
+
+ # too short ADDTS
+ msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0)
+ hapd.mgmt_tx(msg)
+
+ # invalid IE
+ msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0) + payload[4:] + struct.pack('BB', 0xdd, 100)
+ hapd.mgmt_tx(msg)
+
+ # too short WMM element
+ msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 0) + payload[4:] + '\xdd\x06\x00\x50\xf2\x02\x02\x01'
+ hapd.mgmt_tx(msg)
+
+ # DELTS
+ dev[0].dump_monitor()
+ msg['payload'] = struct.pack('BBBB', 17, 2, 0, 0) + payload[4:]
+ hapd.mgmt_tx(msg)
+ ev = dev[0].wait_event(['TSPEC-REMOVED'], timeout=6)
+ if ev is None:
+ raise Exception("Timeout on TSPEC-REMOVED event")
+ if "tsid=%d" % tsid not in ev:
+ raise Exception("Unexpected TSPEC-REMOVED contents: " + ev)
+ # DELTS duplicated
+ msg['payload'] = struct.pack('BBBB', 17, 2, 0, 0) + payload[4:]
+ hapd.mgmt_tx(msg)
+
+ # start a new request
+ hapd.dump_monitor()
+ if "OK" not in dev[0].request(req):
+ raise Exception("WMM_AC_ADDTS failed")
+ msg = hapd.mgmt_rx()
+ payload = msg['payload']
+ (categ, action, dialog, status) = struct.unpack('BBBB', payload[0:4])
+ if action != 0:
+ raise Exception("Unexpected Action code: %d" % action)
+
+ msg['da'] = msg['sa']
+ msg['sa'] = apdev[0]['bssid']
+
+ # modified parameters
+ msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 1) + payload[4:12] + struct.pack('B', ord(payload[12]) & ~0x60) + payload[13:]
+ hapd.mgmt_tx(msg)
+
+ # reject request
+ msg['payload'] = struct.pack('BBBB', 17, 1, dialog, 1) + payload[4:]
+ hapd.mgmt_tx(msg)
+ ev = dev[0].wait_event(["TSPEC-REQ-FAILED"], timeout=10)
+ if ev is None:
+ raise Exception("Timeout on TSPEC-REQ-FAILED")
+ if "tsid=%d" % tsid not in ev:
+ raise Exception("Unexpected TSPEC-REQ-FAILED contents: " + ev)
+
+ hapd.set("ext_mgmt_frame_handling", "0")
+
+@remote_compatible
+def test_tspec_not_enabled(dev, apdev):
+ """addts failing if AP does not support WMM"""
+ params = { "ssid": "wmm_no_ac",
+ "hw_mode": "g",
+ "channel": "11",
+ "wmm_enabled" : "0" }
+ hapd = hostapd.add_ap(apdev[0], params)
+ dev[0].connect("wmm_no_ac", key_mgmt="NONE", scan_freq="2462")
+ status = dev[0].request("WMM_AC_STATUS")
+ if "Not associated to a WMM AP, WMM AC is Disabled" not in status:
+ raise Exception("Unexpected WMM_AC_STATUS: " + status)
+
+ try:
+ dev[0].add_ts(5, 6)
+ raise Exception("ADDTS succeeded although it should have failed")
+ except Exception, e:
+ if not str(e).startswith("ADDTS failed"):
+ raise
+
+ # attempt to delete non-existing tsid
+ try:
+ dev[0].del_ts(5)
+ raise Exception("DELTS succeeded although it should have failed")
+ except Exception, e:
+ if not str(e).startswith("DELTS failed"):
+ raise
+
+ # unexpected Action frame when WMM is disabled
+ MGMT_SUBTYPE_ACTION = 13
+ msg = {}
+ msg['fc'] = MGMT_SUBTYPE_ACTION << 4
+ msg['da'] = dev[0].p2p_interface_addr()
+ msg['sa'] = apdev[0]['bssid']
+ msg['bssid'] = apdev[0]['bssid']
+ msg['payload'] = struct.pack('BBBB', 17, 2, 0, 0)
+ hapd.mgmt_tx(msg)
+
+@remote_compatible
+def test_tspec_ap_roam_open(dev, apdev):
+ """Roam between two open APs while having tspecs"""
+ hapd0 = add_wmm_ap(apdev[0], ["VO", "VI"])
+ dev[0].connect("wmm_ac", key_mgmt="NONE")
+ hwsim_utils.test_connectivity(dev[0], hapd0)
+ dev[0].add_ts(5, 6)
+
+ hapd1 = add_wmm_ap(apdev[1], ["VO", "VI"])
+ dev[0].scan_for_bss(apdev[1]['bssid'], freq=2462)
+ dev[0].roam(apdev[1]['bssid'])
+ hwsim_utils.test_connectivity(dev[0], hapd1)
+ if dev[0].tspecs():
+ raise Exception("TSPECs weren't deleted on roaming")
+
+ dev[0].scan_for_bss(apdev[0]['bssid'], freq=2462)
+ dev[0].roam(apdev[0]['bssid'])
+ hwsim_utils.test_connectivity(dev[0], hapd0)
+
+@remote_compatible
+def test_tspec_reassoc(dev, apdev):
+ """Reassociation to same BSS while having tspecs"""
+ hapd0 = add_wmm_ap(apdev[0], ["VO", "VI"])
+ dev[0].connect("wmm_ac", key_mgmt="NONE")
+ hwsim_utils.test_connectivity(dev[0], hapd0)
+ dev[0].add_ts(5, 6)
+ last_tspecs = dev[0].tspecs()
+
+ dev[0].request("REASSOCIATE")
+ dev[0].wait_connected()
+
+ hwsim_utils.test_connectivity(dev[0], hapd0)
+ if dev[0].tspecs() != last_tspecs:
+ raise Exception("TSPECs weren't saved on reassociation")
projects / mech_eap.git / blobdiff