import hwsim_utils
import hostapd
from test_dfs import wait_dfs_event
+from test_ap_csa import csa_supported
def vht_supported():
cmd = subprocess.Popen(["iw", "reg", "get"], stdout=subprocess.PIPE)
raise
finally:
subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])
+
+def test_ap_vht80_csa(dev, apdev):
+ """VHT with 80 MHz channel width and CSA"""
+ if not csa_supported(dev[0]):
+ return "skip"
+ try:
+ params = { "ssid": "vht",
+ "country_code": "US",
+ "hw_mode": "a",
+ "channel": "149",
+ "ht_capab": "[HT40+]",
+ "ieee80211n": "1",
+ "ieee80211ac": "1",
+ "vht_oper_chwidth": "1",
+ "vht_oper_centr_freq_seg0_idx": "155" }
+ hapd = hostapd.add_ap(apdev[0]['ifname'], params)
+
+ dev[0].connect("vht", key_mgmt="NONE", scan_freq="5745")
+ hwsim_utils.test_connectivity(dev[0], hapd)
+
+ hapd.request("CHAN_SWITCH 5 5180 ht vht blocktx center_freq1=5210 sec_channel_offset=1 bandwidth=80")
+ ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
+ if ev is None:
+ raise Exception("CSA finished event timed out")
+ if "freq=5180" not in ev:
+ raise Exception("Unexpected channel in CSA finished event")
+ time.sleep(0.5)
+ hwsim_utils.test_connectivity(dev[0], hapd)
+
+ hapd.request("CHAN_SWITCH 5 5745")
+ ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
+ if ev is None:
+ raise Exception("CSA finished event timed out")
+ if "freq=5745" not in ev:
+ raise Exception("Unexpected channel in CSA finished event")
+ time.sleep(0.5)
+ hwsim_utils.test_connectivity(dev[0], hapd)
+
+ # This CSA to same channel will fail in kernel, so use this only for
+ # extra code coverage.
+ hapd.request("CHAN_SWITCH 5 5745")
+ hapd.wait_event(["AP-CSA-FINISHED"], timeout=1)
+ except Exception, e:
+ if isinstance(e, Exception) and str(e) == "AP startup failed":
+ if not vht_supported():
+ logger.info("80 MHz channel not supported in regulatory information")
+ return "skip"
+ raise
+ finally:
+ subprocess.call(['sudo', 'iw', 'reg', 'set', '00'])