import time
import logging
logger = logging.getLogger()
+import subprocess
import hostapd
from wlantest import Wlantest
dev[0].connect("test-wnm", key_mgmt="NONE", scan_freq="2412")
time.sleep(2)
+
+def test_wnm_bss_tm(dev, apdev):
+ """WNM BSS Transition Management"""
+ try:
+ params = { "ssid": "test-wnm",
+ "country_code": "FI",
+ "hw_mode": "g",
+ "channel": "1",
+ "bss_transition": "1" }
+ hapd = hostapd.add_ap(apdev[0]['ifname'], params)
+
+ id = dev[0].connect("test-wnm", key_mgmt="NONE", scan_freq="2412")
+ dev[0].set_network(id, "scan_freq", "")
+
+ params = { "ssid": "test-wnm",
+ "country_code": "FI",
+ "hw_mode": "a",
+ "channel": "36",
+ "bss_transition": "1" }
+ hapd2 = hostapd.add_ap(apdev[1]['ifname'], params)
+
+ addr = dev[0].p2p_interface_addr()
+ dev[0].dump_monitor()
+
+ logger.info("No neighbor list entries")
+ if "OK" not in hapd.request("BSS_TM_REQ " + addr):
+ raise Exception("BSS_TM_REQ command failed")
+ ev = hapd.wait_event(['BSS-TM-RESP'], timeout=10)
+ if ev is None:
+ raise Exception("No BSS Transition Management Response")
+ if addr not in ev:
+ raise Exception("Unexpected BSS Transition Management Response address")
+ if "status_code=0" in ev:
+ raise Exception("BSS transition accepted unexpectedly")
+ dev[0].dump_monitor()
+
+ logger.info("Neighbor list entry, but not claimed as Preferred Candidate List")
+ if "OK" not in hapd.request("BSS_TM_REQ " + addr + " neighbor=11:22:33:44:55:66,0x0000,81,3,7"):
+ raise Exception("BSS_TM_REQ command failed")
+ ev = hapd.wait_event(['BSS-TM-RESP'], timeout=10)
+ if ev is None:
+ raise Exception("No BSS Transition Management Response")
+ if "status_code=0" in ev:
+ raise Exception("BSS transition accepted unexpectedly")
+ dev[0].dump_monitor()
+
+ logger.info("Preferred Candidate List (no matching neighbor) without Disassociation Imminent")
+ if "OK" not in hapd.request("BSS_TM_REQ " + addr + " pref=1 neighbor=11:22:33:44:55:66,0x0000,81,3,7,0301ff neighbor=22:33:44:55:66:77,0x0000,81,8,7 neighbor=00:11:22:33:44:55,0x0000,81,4,7,03010a"):
+ raise Exception("BSS_TM_REQ command failed")
+ ev = hapd.wait_event(['BSS-TM-RESP'], timeout=10)
+ if ev is None:
+ raise Exception("No BSS Transition Management Response")
+ if "status_code=0" in ev:
+ raise Exception("BSS transition accepted unexpectedly")
+ ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
+ if ev is None:
+ raise Exception("No scan started")
+ dev[0].dump_monitor()
+
+ logger.info("Preferred Candidate List (matching neighbor for another BSS) without Disassociation Imminent")
+ if "OK" not in hapd.request("BSS_TM_REQ " + addr + " pref=1 abridged=1 valid_int=255 neighbor=" + apdev[1]['bssid'] + ",0x0000,115,36,7,0301ff"):
+ raise Exception("BSS_TM_REQ command failed")
+ ev = hapd.wait_event(['BSS-TM-RESP'], timeout=10)
+ if ev is None:
+ raise Exception("No BSS Transition Management Response")
+ if "status_code=0" not in ev:
+ raise Exception("BSS transition request was not accepted: " + ev)
+ if "target_bssid=" + apdev[1]['bssid'] not in ev:
+ raise Exception("Unexpected target BSS: " + ev)
+ ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=15)
+ if ev is None:
+ raise Exception("No reassociation seen");
+ if apdev[1]['bssid'] not in ev:
+ raise Exception("Unexpected reassociation target: " + ev)
+ ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=0.1)
+ if ev is not None:
+ raise Exception("Unexpected scan started")
+ dev[0].dump_monitor()
+
+ logger.info("Preferred Candidate List with two matches, no roam needed")
+ if "OK" not in hapd2.request("BSS_TM_REQ " + addr + " pref=1 abridged=1 valid_int=255 neighbor=" + apdev[0]['bssid'] + ",0x0000,81,1,7,030101 neighbor=" + apdev[1]['bssid'] + ",0x0000,115,36,7,0301ff"):
+ raise Exception("BSS_TM_REQ command failed")
+ ev = hapd2.wait_event(['BSS-TM-RESP'], timeout=10)
+ if ev is None:
+ raise Exception("No BSS Transition Management Response")
+ if "status_code=0" not in ev:
+ raise Exception("BSS transition request was not accepted: " + ev)
+ if "target_bssid=" + apdev[1]['bssid'] not in ev:
+ raise Exception("Unexpected target BSS: " + ev)
+ ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=0.1)
+ if ev is not None:
+ raise Exception("Unexpected scan started")
+ ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=0.5)
+ if ev is not None:
+ raise Exception("Unexpected reassociation");
+ finally:
+ subprocess.call(['iw', 'reg', 'set', '00'])