e086ce16a4
Test ML association, automatic link discovery using ML probe requests and marking BSSs as failed after an ML association failure, if the corresponding link also rejected the association. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
844 lines
33 KiB
Python
844 lines
33 KiB
Python
# EHT tests
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# Copyright (c) 2022, Qualcomm Innovation Center, Inc.
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import hostapd
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from utils import *
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from hwsim import HWSimRadio
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import hwsim_utils
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from wpasupplicant import WpaSupplicant
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import re
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from tshark import run_tshark
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def eht_verify_wifi_version(dev):
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status = dev.get_status()
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logger.info("station status: " + str(status))
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if 'wifi_generation' not in status:
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raise Exception("Missing wifi_generation information")
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if status['wifi_generation'] != "7":
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raise Exception("Unexpected wifi_generation value: " + status['wifi_generation'])
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def _eht_get_links_bitmap(wpas, name):
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vfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/%s" % \
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(wpas.get_driver_status_field("phyname"), wpas.ifname, name)
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if wpas.cmd_execute(["ls", vfile])[0] != 0:
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logger_info("%s not supported in mac80211: %s" % (name, vfile))
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return 0
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res, out = wpas.cmd_execute(["cat", vfile], shell=True)
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if res != 0:
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raise Exception("Failed to read %s" % fname)
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logger.info("%s=%s" % (name, out))
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return int(out, 16)
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def _eht_valid_links(wpas):
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return _eht_get_links_bitmap(wpas, "valid_links")
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def _eht_active_links(wpas):
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return _eht_get_links_bitmap(wpas, "active_links")
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def _eht_verify_links(wpas, valid_links=0, active_links=0):
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vlinks = _eht_valid_links(wpas)
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if vlinks != valid_links:
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raise Exception("Unexpected valid links (0x%04x != 0x%04x)" % (vlinks, valid_links))
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alinks = _eht_active_links(wpas)
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if alinks != active_links:
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raise Exception("Unexpected active links (0x%04x != 0x%04x)" % (alinks, active_links))
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def eht_verify_status(wpas, hapd, freq, bw, is_ht=False, is_vht=False,
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mld=False, valid_links=0, active_links=0):
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status = hapd.get_status()
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logger.info("hostapd STATUS: " + str(status))
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if is_ht and status["ieee80211n"] != "1":
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raise Exception("Unexpected STATUS ieee80211n value")
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if is_vht and status["ieee80211ac"] != "1":
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raise Exception("Unexpected STATUS ieee80211ac value")
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if status["ieee80211ax"] != "1":
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raise Exception("Unexpected STATUS ieee80211ax value")
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if status["ieee80211be"] != "1":
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raise Exception("Unexpected STATUS ieee80211be value")
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sta = hapd.get_sta(wpas.own_addr())
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logger.info("hostapd STA: " + str(sta))
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if is_ht and "[HT]" not in sta['flags']:
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raise Exception("Missing STA flag: HT")
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if is_vht and "[VHT]" not in sta['flags']:
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raise Exception("Missing STA flag: VHT")
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if "[HE]" not in sta['flags']:
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raise Exception("Missing STA flag: HE")
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if "[EHT]" not in sta['flags']:
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raise Exception("Missing STA flag: EHT")
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sig = wpas.request("SIGNAL_POLL").splitlines()
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# TODO: With MLD connection, signal poll logic is still not implemented.
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# While mac80211 maintains the station using the MLD address, the
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# information is maintained in the link stations, but it is not sent to
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# user space yet.
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if not mld:
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if "FREQUENCY=%s" % freq not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(1): " + str(sig))
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if "WIDTH=%s MHz" % bw not in sig:
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raise Exception("Unexpected SIGNAL_POLL value(2): " + str(sig))
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# Active links are updated in async work after the connection.
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# Sleep a bit to allow it to run.
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time.sleep(0.1)
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_eht_verify_links(wpas, valid_links, active_links)
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def traffic_test(wpas, hapd, success=True):
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hwsim_utils.test_connectivity(wpas, hapd, success_expected=success)
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def test_eht_open(dev, apdev):
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"""EHT AP with open mode configuration"""
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params = {"ssid": "eht",
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"ieee80211ax": "1",
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"ieee80211be": "1"}
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try:
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hapd = hostapd.add_ap(apdev[0], params)
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except Exception as e:
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if isinstance(e, Exception) and \
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str(e) == "Failed to set hostapd parameter ieee80211be":
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raise HwsimSkip("EHT not supported")
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raise
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if hapd.get_status_field("ieee80211be") != "1":
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raise Exception("AP STATUS did not indicate ieee80211be=1")
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dev[0].connect("eht", key_mgmt="NONE", scan_freq="2412")
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sta = hapd.get_sta(dev[0].own_addr())
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if "[EHT]" not in sta['flags']:
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raise Exception("Missing STA flag: EHT")
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status = dev[0].request("STATUS")
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if "wifi_generation=7" not in status:
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raise Exception("STA STATUS did not indicate wifi_generation=7")
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def test_prefer_eht_20(dev, apdev):
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params = {"ssid": "eht",
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"channel": "1",
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"ieee80211ax": "1",
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"ieee80211be" : "1",
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"ieee80211n": "1"}
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try:
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hapd0 = hostapd.add_ap(apdev[0], params)
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params["ieee80211be"] = "0"
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hapd1 = hostapd.add_ap(apdev[1], params)
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except Exception as e:
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if isinstance(e, Exception) and \
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str(e) == "Failed to set hostapd parameter ieee80211be":
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raise HwsimSkip("EHT not supported")
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raise
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dev[0].connect("eht", key_mgmt="NONE")
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if dev[0].get_status_field('bssid') != apdev[0]['bssid']:
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raise Exception("dev[0] connected to unexpected AP")
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est = dev[0].get_bss(apdev[0]['bssid'])['est_throughput']
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if est != "172103":
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raise Exception("Unexpected BSS1 est_throughput: " + est)
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def start_eht_sae_ap(apdev, ml=False, transition_mode=False):
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params = hostapd.wpa2_params(ssid="eht", passphrase="12345678")
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params["ieee80211ax"] = "1"
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params["ieee80211be"] = "1"
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params['ieee80211w'] = '1' if transition_mode else '2'
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params['rsn_pairwise'] = "CCMP GCMP-256" if transition_mode else "GCMP-256"
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params['group_cipher'] = "CCMP" if transition_mode else "GCMP-256"
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params["group_mgmt_cipher"] = "AES-128-CMAC" if transition_mode else "BIP-GMAC-256"
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params['beacon_prot'] = '1'
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params['wpa_key_mgmt'] = "SAE SAE-EXT-KEY" if transition_mode else 'SAE-EXT-KEY'
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params['sae_groups'] = "19 20" if transition_mode else "20"
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params['sae_pwe'] = "2" if transition_mode else "1"
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if ml:
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ml_elem = "ff0d6b" + "3001" + "0a" + "021122334455" + "01" + "00" + "00"
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params['vendor_elements'] = ml_elem
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try:
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hapd = hostapd.add_ap(apdev, params)
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except Exception as e:
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if isinstance(e, Exception) and \
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str(e) == "Failed to set hostapd parameter ieee80211be":
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raise HwsimSkip("EHT not supported")
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raise
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def test_eht_sae(dev, apdev):
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"""EHT AP with SAE"""
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check_sae_capab(dev[0])
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hapd = start_eht_sae_ap(apdev[0])
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try:
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dev[0].set("sae_groups", "20")
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dev[0].set("sae_pwe", "2")
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dev[0].connect("eht", key_mgmt="SAE-EXT-KEY", psk="12345678",
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ieee80211w="2", beacon_prot="1",
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pairwise="GCMP-256", group="GCMP-256",
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group_mgmt="BIP-GMAC-256", scan_freq="2412")
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finally:
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dev[0].set("sae_groups", "")
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dev[0].set("sae_pwe", "0")
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def test_eht_sae_mlo(dev, apdev):
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"""EHT+MLO AP with SAE"""
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check_sae_capab(dev[0])
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hapd = start_eht_sae_ap(apdev[0], ml=True)
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try:
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dev[0].set("sae_groups", "20")
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dev[0].set("sae_pwe", "2")
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dev[0].connect("eht", key_mgmt="SAE-EXT-KEY", psk="12345678",
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ieee80211w="2", beacon_prot="1",
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pairwise="GCMP-256", group="GCMP-256",
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group_mgmt="BIP-GMAC-256", scan_freq="2412")
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finally:
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dev[0].set("sae_groups", "")
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dev[0].set("sae_pwe", "0")
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def test_eht_sae_mlo_tm(dev, apdev):
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"""EHT+MLO AP with SAE and transition mode"""
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check_sae_capab(dev[0])
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check_sae_capab(dev[1])
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hapd = start_eht_sae_ap(apdev[0], ml=True, transition_mode=True)
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try:
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dev[0].set("sae_groups", "20")
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dev[0].set("sae_pwe", "2")
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dev[0].connect("eht", key_mgmt="SAE-EXT-KEY", psk="12345678",
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ieee80211w="2", beacon_prot="1",
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pairwise="GCMP-256", group="CCMP",
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group_mgmt="AES-128-CMAC", scan_freq="2412")
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dev[1].set("sae_groups", "19")
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dev[1].connect("eht", key_mgmt="SAE-EXT-KEY", psk="12345678",
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ieee80211w="2", beacon_prot="1",
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pairwise="CCMP", group="CCMP",
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group_mgmt="AES-128-CMAC", scan_freq="2412",
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disable_eht="1")
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finally:
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dev[0].set("sae_groups", "")
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dev[0].set("sae_pwe", "0")
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dev[1].set("sae_groups", "")
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def eht_mld_enable_ap(iface, params):
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hapd = hostapd.add_mld_link(iface, params)
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hapd.enable()
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ev = hapd.wait_event(["AP-ENABLED", "AP-DISABLED"], timeout=1)
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if ev is None:
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raise Exception("AP startup timed out")
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if "AP-ENABLED" not in ev:
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raise Exception("AP startup failed")
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return hapd
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def eht_mld_ap_wpa2_params(ssid, passphrase=None, key_mgmt="WPA-PSK-SHA256",
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mfp="2", pwe=None, beacon_prot="1"):
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params = hostapd.wpa2_params(ssid=ssid, passphrase=passphrase,
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wpa_key_mgmt=key_mgmt, ieee80211w=mfp)
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params['ieee80211n'] = '1'
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params['ieee80211ax'] = '1'
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params['ieee80211be'] = '1'
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params['channel'] = '1'
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params['hw_mode'] = 'g'
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params['group_mgmt_cipher'] = "AES-128-CMAC"
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params['beacon_prot'] = beacon_prot
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if pwe is not None:
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params['sae_pwe'] = pwe
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return params
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def _eht_mld_probe_req(wpas, hapd, tsf0, link_id=-1):
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if "OK" not in wpas.request("ML_PROBE_REQ bssid=%s mld_id=0 link_id=%d" % (hapd.own_addr(), link_id)):
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raise Exception("Failed to request ML probe request")
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ev = wpas.wait_event(["CTRL-EVENT-SCAN-STARTED"])
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if ev is None:
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raise Exception("Scan did not start")
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ev = wpas.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
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if ev is None:
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raise Exception("Scan did not complete")
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logger.info("ML Probe request scan done")
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bss = wpas.get_bss(hapd.own_addr())
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if not bss:
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raise Exception("AP did not reply to ML probe request")
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tsf1 = int(bss['tsf'])
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logger.info("tsf0=%s, tsf1=%s" % (tsf0, tsf1))
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if tsf0 >= tsf1:
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raise Exception("AP was not found in ML probe request scan")
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def test_eht_mld_discovery(dev, apdev):
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"""EHT MLD AP discovery"""
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with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
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HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add(wpas_iface)
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ssid = "mld_ap"
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link0_params = {"ssid": ssid,
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"hw_mode": "g",
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"channel": "1"}
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link1_params = {"ssid": ssid,
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"hw_mode": "g",
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"channel": "2"}
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hapd0 = eht_mld_enable_ap(hapd_iface, link0_params)
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hapd1 = eht_mld_enable_ap(hapd_iface, link1_params)
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# Only scan link 0
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res = wpas.request("SCAN freq=2412")
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if "FAIL" in res:
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raise Exception("Failed to start scan")
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ev = wpas.wait_event(["CTRL-EVENT-SCAN-STARTED"])
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if ev is None:
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raise Exception("Scan did not start")
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ev = wpas.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
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if ev is None:
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raise Exception("Scan did not complete")
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logger.info("Scan done")
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rnr_pattern = re.compile(".*ap_info.*, mld ID=0, link ID=",
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re.MULTILINE)
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ml_pattern = re.compile(".*multi-link:.*, MLD addr=.*", re.MULTILINE)
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bss = wpas.request("BSS " + hapd0.own_addr())
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logger.info("BSS 0: " + str(bss))
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if rnr_pattern.search(bss) is None:
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raise Exception("RNR element not found for first link")
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if ml_pattern.search(bss) is None:
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raise Exception("ML element not found for first link")
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# Save the tsf0 for checking ML Probe request scan later
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tsf0 = int(wpas.get_bss(hapd0.own_addr())['tsf'])
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if wpas.get_bss(hapd1.own_addr()) is not None:
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raise Exception("BSS for link 1 found without ML probe request")
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# Now send an ML probe request (for all links)
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_eht_mld_probe_req(wpas, hapd0, tsf0)
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tsf0 = int(wpas.get_bss(hapd0.own_addr())['tsf'])
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# NOTE: hostapd incorrectly reports a TSF offset of zero
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# This only works because the source is always the ML probe response
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tsf1 = int(wpas.get_bss(hapd1.own_addr())['tsf'])
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bss = wpas.request("BSS " + hapd1.own_addr())
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logger.info("BSS 1: " + str(bss))
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if rnr_pattern.search(bss) is None:
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raise Exception("RNR element not found for second link")
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if ml_pattern.search(bss) is None:
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raise Exception("ML element not found for second link")
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_eht_mld_probe_req(wpas, hapd0, tsf0, link_id=1)
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if int(wpas.get_bss(hapd1.own_addr())['tsf']) <= tsf1:
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raise Exception("Probe for link ID did not update BSS")
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tsf0 = int(wpas.get_bss(hapd0.own_addr())['tsf'])
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tsf1 = int(wpas.get_bss(hapd1.own_addr())['tsf'])
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# Probing the wrong link ID should not update second link
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_eht_mld_probe_req(wpas, hapd0, tsf0, link_id=4)
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if int(wpas.get_bss(hapd1.own_addr())['tsf']) != tsf1:
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raise Exception("Probe for other link ID not updated BSS")
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def test_eht_mld_owe_two_links(dev, apdev):
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"""EHT MLD AP with MLD client OWE connection using two links"""
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with HWSimRadio(use_mlo=True) as (hapd0_radio, hapd0_iface), \
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HWSimRadio(use_mlo=True) as (hapd1_radio, hapd1_iface), \
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HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add(wpas_iface)
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ssid = "mld_ap_owe_two_link"
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params = eht_mld_ap_wpa2_params(ssid, key_mgmt="OWE", mfp="2")
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hapd0 = eht_mld_enable_ap(hapd0_iface, params)
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params['channel'] = '6'
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hapd1 = eht_mld_enable_ap(hapd0_iface, params)
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# Check legacy client connection
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dev[0].connect(ssid, scan_freq="2437", key_mgmt="OWE", ieee80211w="2")
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wpas.connect(ssid, scan_freq="2412 2437", key_mgmt="OWE",
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ieee80211w="2")
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eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
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valid_links=3, active_links=3)
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eht_verify_wifi_version(wpas)
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traffic_test(wpas, hapd0)
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traffic_test(wpas, hapd1)
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def test_eht_mld_sae_single_link(dev, apdev):
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"""EHT MLD AP with MLD client SAE H2E connection using single link"""
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with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
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HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add(wpas_iface)
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passphrase = 'qwertyuiop'
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ssid = "mld_ap_sae_single_link"
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params = eht_mld_ap_wpa2_params(ssid, passphrase, key_mgmt="SAE",
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mfp="2", pwe='2')
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hapd0 = eht_mld_enable_ap(hapd_iface, params)
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wpas.set("sae_pwe", "1")
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wpas.connect(ssid, sae_password=passphrase, scan_freq="2412",
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key_mgmt="SAE", ieee80211w="2")
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eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
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valid_links=1, active_links=1)
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eht_verify_wifi_version(wpas)
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traffic_test(wpas, hapd0)
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def run_eht_mld_sae_two_links(dev, apdev, beacon_prot="1"):
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
passphrase = 'qwertyuiop'
|
|
ssid = "mld_ap_sae_two_link"
|
|
params = eht_mld_ap_wpa2_params(ssid, passphrase,
|
|
key_mgmt="SAE", mfp="2", pwe='1',
|
|
beacon_prot=beacon_prot)
|
|
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
params['channel'] = '6'
|
|
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
wpas.set("sae_pwe", "1")
|
|
wpas.connect(ssid, sae_password=passphrase, scan_freq="2412 2437",
|
|
key_mgmt="SAE", ieee80211w="2", beacon_prot="1")
|
|
|
|
eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
|
|
valid_links=3, active_links=3)
|
|
eht_verify_wifi_version(wpas)
|
|
traffic_test(wpas, hapd0)
|
|
traffic_test(wpas, hapd1)
|
|
|
|
def test_eht_mld_sae_two_links(dev, apdev):
|
|
"""EHT MLD AP with MLD client SAE H2E connection using two links"""
|
|
run_eht_mld_sae_two_links(dev, apdev)
|
|
|
|
def test_eht_mld_sae_two_links_no_beacon_prot(dev, apdev):
|
|
"""EHT MLD AP with MLD client SAE H2E connection using two links and no beacon protection"""
|
|
run_eht_mld_sae_two_links(dev, apdev, beacon_prot="0")
|
|
|
|
def test_eht_mld_sae_ext_one_link(dev, apdev):
|
|
"""EHT MLD AP with MLD client SAE-EXT H2E connection using single link"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
passphrase = 'qwertyuiop'
|
|
ssid = "mld_ap_sae_ext_single_link"
|
|
params = eht_mld_ap_wpa2_params(ssid, passphrase, key_mgmt="SAE-EXT-KEY")
|
|
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
wpas.connect(ssid, sae_password=passphrase, scan_freq="2412",
|
|
key_mgmt="SAE-EXT-KEY", ieee80211w="2")
|
|
|
|
eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
|
|
valid_links=1, active_links=1)
|
|
eht_verify_wifi_version(wpas)
|
|
traffic_test(wpas, hapd0)
|
|
|
|
def test_eht_mld_sae_ext_two_links(dev, apdev):
|
|
"""EHT MLD AP with MLD client SAE-EXT H2E connection using two links"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
passphrase = 'qwertyuiop'
|
|
ssid = "mld_ap_sae_two_link"
|
|
params = eht_mld_ap_wpa2_params(ssid, passphrase,
|
|
key_mgmt="SAE-EXT-KEY")
|
|
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
params['channel'] = '6'
|
|
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
wpas.connect(ssid, sae_password=passphrase, scan_freq="2412 2437",
|
|
key_mgmt="SAE-EXT-KEY", ieee80211w="2")
|
|
|
|
eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
|
|
valid_links=3, active_links=3)
|
|
eht_verify_wifi_version(wpas)
|
|
traffic_test(wpas, hapd0)
|
|
traffic_test(wpas, hapd1)
|
|
|
|
def test_eht_mld_sae_legacy_client(dev, apdev):
|
|
"""EHT MLD AP with legacy client SAE H2E connection"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface):
|
|
passphrase = 'qwertyuiop'
|
|
ssid = "mld_ap_sae_two_link"
|
|
params = eht_mld_ap_wpa2_params(ssid, passphrase,
|
|
key_mgmt="SAE", mfp="2", pwe='1')
|
|
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
params['channel'] = '6'
|
|
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
try:
|
|
dev[0].set("sae_groups", "")
|
|
dev[0].set("sae_pwe", "1")
|
|
dev[0].connect(ssid, sae_password=passphrase, scan_freq="2412",
|
|
key_mgmt="SAE", ieee80211w="2", beacon_prot="1")
|
|
|
|
eht_verify_status(dev[0], hapd0, 2412, 20, is_ht=True)
|
|
traffic_test(dev[0], hapd0)
|
|
finally:
|
|
dev[0].set("sae_groups", "")
|
|
dev[0].set("sae_pwe", "0")
|
|
|
|
def test_eht_mld_sae_transition(dev, apdev):
|
|
"""EHT MLD AP in SAE/PSK transition mode with MLD client connection using two links"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
passphrase = 'qwertyuiop'
|
|
ssid = "mld_ap_sae_two_link"
|
|
params = eht_mld_ap_wpa2_params(ssid, passphrase,
|
|
key_mgmt="SAE-EXT-KEY SAE WPA-PSK WPA-PSK-SHA256",
|
|
mfp="1")
|
|
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
params['channel'] = '6'
|
|
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
wpas.connect(ssid, sae_password=passphrase, scan_freq="2412 2437",
|
|
key_mgmt="SAE-EXT-KEY", ieee80211w="2")
|
|
|
|
eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
|
|
valid_links=3, active_links=3)
|
|
eht_verify_wifi_version(wpas)
|
|
traffic_test(wpas, hapd0)
|
|
traffic_test(wpas, hapd1)
|
|
|
|
dev[0].set("sae_groups", "")
|
|
dev[0].connect(ssid, sae_password=passphrase, scan_freq="2412",
|
|
key_mgmt="SAE", ieee80211w="2", beacon_prot="1")
|
|
dev[1].connect(ssid, psk=passphrase, scan_freq="2412",
|
|
key_mgmt="WPA-PSK", ieee80211w="0")
|
|
|
|
def test_eht_mld_ptk_rekey(dev, apdev):
|
|
"""EHT MLD AP and PTK rekeying with MLD client connection using two links"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
passphrase = 'qwertyuiop'
|
|
ssid = "mld_ap_sae_two_link"
|
|
params = eht_mld_ap_wpa2_params(ssid, passphrase,
|
|
key_mgmt="SAE-EXT-KEY SAE WPA-PSK WPA-PSK-SHA256",
|
|
mfp="1")
|
|
params['wpa_ptk_rekey'] = '5'
|
|
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
params['channel'] = '6'
|
|
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
wpas.connect(ssid, sae_password=passphrase, scan_freq="2412 2437",
|
|
key_mgmt="SAE-EXT-KEY", ieee80211w="2")
|
|
ev0 = hapd0.wait_event(["AP-STA-CONNECT"], timeout=1)
|
|
if ev0 is None:
|
|
ev1 = hapd1.wait_event(["AP-STA-CONNECT"], timeout=1)
|
|
traffic_test(wpas, hapd0)
|
|
traffic_test(wpas, hapd1)
|
|
|
|
ev = wpas.wait_event(["WPA: Key negotiation completed",
|
|
"CTRL-EVENT-DISCONNECTED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("PTK rekey timed out")
|
|
if "CTRL-EVENT-DISCONNECTED" in ev:
|
|
raise Exception("Disconnect instead of rekey")
|
|
|
|
time.sleep(0.1)
|
|
traffic_test(wpas, hapd0)
|
|
traffic_test(wpas, hapd1)
|
|
|
|
def test_eht_mld_gtk_rekey(dev, apdev):
|
|
"""AP MLD and GTK rekeying with MLD client connection using two links"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
passphrase = 'qwertyuiop'
|
|
ssid = "mld_ap_sae_two_link"
|
|
params = eht_mld_ap_wpa2_params(ssid, passphrase,
|
|
key_mgmt="SAE-EXT-KEY SAE WPA-PSK WPA-PSK-SHA256",
|
|
mfp="1")
|
|
params['wpa_group_rekey'] = '5'
|
|
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
params['channel'] = '6'
|
|
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
wpas.connect(ssid, sae_password=passphrase, scan_freq="2412 2437",
|
|
key_mgmt="SAE-EXT-KEY", ieee80211w="2")
|
|
ev0 = hapd0.wait_event(["AP-STA-CONNECT"], timeout=1)
|
|
if ev0 is None:
|
|
ev1 = hapd1.wait_event(["AP-STA-CONNECT"], timeout=1)
|
|
traffic_test(wpas, hapd0)
|
|
traffic_test(wpas, hapd1)
|
|
|
|
for i in range(2):
|
|
ev = wpas.wait_event(["MLO RSN: Group rekeying completed",
|
|
"CTRL-EVENT-DISCONNECTED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("GTK rekey timed out")
|
|
if "CTRL-EVENT-DISCONNECTED" in ev:
|
|
raise Exception("Disconnect instead of rekey")
|
|
|
|
#TODO: Uncomment these ones GTK rekeying works for MLO
|
|
#time.sleep(0.1)
|
|
#traffic_test(wpas, hapd0)
|
|
#traffic_test(wpas, hapd1)
|
|
|
|
def test_eht_ml_probe_req(dev, apdev):
|
|
"""AP MLD with two links and non-AP MLD sending ML Probe Request"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
passphrase = 'qwertyuiop'
|
|
ssid = "mld_ap_sae_two_link"
|
|
params = eht_mld_ap_wpa2_params(ssid, passphrase,
|
|
key_mgmt="SAE-EXT-KEY")
|
|
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
params['channel'] = '6'
|
|
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, params)
|
|
|
|
bssid = hapd0.own_addr()
|
|
wpas.scan_for_bss(bssid, freq=2412)
|
|
|
|
time.sleep(1)
|
|
cmd = "ML_PROBE_REQ bssid=" + bssid + " mld_id=0"
|
|
if "OK" not in wpas.request(cmd):
|
|
raise Exception("Failed to run: " + cmd)
|
|
ev = wpas.wait_event(["CTRL-EVENT-SCAN-RESULTS",
|
|
"CTRL-EVENT-SCAN-FAILED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("ML_PROBE_REQ did not result in scan results")
|
|
|
|
time.sleep(1)
|
|
cmd = "ML_PROBE_REQ bssid=" + bssid + " mld_id=0 link_id=2"
|
|
if "OK" not in wpas.request(cmd):
|
|
raise Exception("Failed to run: " + cmd)
|
|
ev = wpas.wait_event(["CTRL-EVENT-SCAN-RESULTS",
|
|
"CTRL-EVENT-SCAN-FAILED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("ML_PROBE_REQ did not result in scan results")
|
|
|
|
def test_eht_mld_connect_probes(dev, apdev, params):
|
|
"""MLD client sends ML probe to connect to not discovered links"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
ssid = "mld_ap"
|
|
passphrase = 'qwertyuiop'
|
|
link_params = eht_mld_ap_wpa2_params(ssid, passphrase, mfp="2",
|
|
key_mgmt="SAE", pwe='2')
|
|
link_params['channel'] = '1'
|
|
link_params['bssid'] = '00:11:22:33:44:01'
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, link_params)
|
|
|
|
link_params['channel'] = '6'
|
|
link_params['bssid'] = '00:11:22:33:44:02'
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, link_params)
|
|
|
|
wpas.set("sae_pwe", "1")
|
|
wpas.connect(ssid, sae_password= passphrase, ieee80211w="2",
|
|
key_mgmt="SAE", scan_freq="2412")
|
|
|
|
out = run_tshark(os.path.join(params['logdir'], 'hwsim0.pcapng'),
|
|
'wlan.fc.type_subtype == 0x0004 && wlan.ext_tag.number == 107 && wlan.ext_tag.data == 11:00:02:00:00:02:11:00',
|
|
display=['frame.number'])
|
|
if not out.splitlines():
|
|
raise Exception('ML probe request not found')
|
|
|
|
# Probe Response frame has the ML element, which will be fragmented
|
|
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
|
|
"wlan.fc.type_subtype == 0x0005 && wlan.ext_tag.number == 107 && wlan.ext_tag.length == 254",
|
|
display=['frame.number'])
|
|
if not out.splitlines():
|
|
# This requires new tshark (e.g., 4.0.6); for now, ignore the issue
|
|
# to avoid forcing such upgrade.
|
|
logger.info('ML probe response not found')
|
|
#raise Exception('ML probe response not found')
|
|
|
|
eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
|
|
valid_links=3, active_links=3)
|
|
traffic_test(wpas, hapd0)
|
|
traffic_test(wpas, hapd1)
|
|
|
|
def test_eht_tx_link_rejected_connect_other(dev, apdev, params):
|
|
"""EHT MLD AP with MLD client being rejected on TX link, but then connecting on second link"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
ssid = "mld_ap"
|
|
passphrase = 'qwertyuiop'
|
|
link_params = eht_mld_ap_wpa2_params(ssid, passphrase, mfp="2",
|
|
key_mgmt="SAE", pwe='2')
|
|
link_params['channel'] = '1'
|
|
link_params['bssid'] = '00:11:22:33:44:01'
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, link_params)
|
|
|
|
link_params['channel'] = '6'
|
|
link_params['bssid'] = '00:11:22:33:44:02'
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, link_params)
|
|
|
|
wpas.set("sae_pwe", "1")
|
|
with fail_test(hapd0, 1, "hostapd_get_aid"):
|
|
wpas.connect(ssid, sae_password=passphrase, ieee80211w="2",
|
|
key_mgmt="SAE", scan_freq="2412")
|
|
|
|
eht_verify_status(wpas, hapd1, 2437, 20, is_ht=True, mld=True,
|
|
valid_links=2, active_links=2)
|
|
traffic_test(wpas, hapd0)
|
|
traffic_test(wpas, hapd1)
|
|
|
|
def test_eht_all_links_rejected(dev, apdev, params):
|
|
"""EHT MLD AP with MLD client ignores all rejected links"""
|
|
with HWSimRadio(use_mlo=True) as (hapd_radio, hapd_iface), \
|
|
HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
|
|
|
|
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
|
|
wpas.interface_add(wpas_iface)
|
|
|
|
ssid = "mld_ap"
|
|
passphrase = 'qwertyuiop'
|
|
link_params = eht_mld_ap_wpa2_params(ssid, passphrase, mfp="2",
|
|
key_mgmt="SAE", pwe='2')
|
|
link_params['channel'] = '1'
|
|
link_params['bssid'] = '00:11:22:33:44:01'
|
|
hapd0 = eht_mld_enable_ap(hapd_iface, link_params)
|
|
|
|
link_params['channel'] = '6'
|
|
link_params['bssid'] = '00:11:22:33:44:02'
|
|
hapd1 = eht_mld_enable_ap(hapd_iface, link_params)
|
|
wpas.set("mld_connect_bssid_pref", "00:11:22:33:44:01")
|
|
wpas.set("sae_pwe", "1")
|
|
|
|
with fail_test(hapd0, 1, "hostapd_get_aid",
|
|
1, "hostapd_process_assoc_ml_info"):
|
|
wpas.connect(ssid, sae_password=passphrase, ieee80211w="2",
|
|
key_mgmt="SAE", scan_freq="2412", wait_connect=False)
|
|
ev = wpas.wait_event(['CTRL-EVENT-ASSOC-REJECT'])
|
|
if not ev:
|
|
raise Exception('Rejection not found')
|
|
|
|
ev1 = wpas.wait_event(['Added BSSID'])
|
|
ev2 = wpas.wait_event(['Added BSSID'])
|
|
if (not ev1 or not ev2) or \
|
|
not ((hapd0.own_addr() in ev1 and hapd1.own_addr() in ev2) or
|
|
(hapd1.own_addr() in ev1 and hapd0.own_addr() in ev2)):
|
|
raise Exception('Not all BSSs were added to the ignore list')
|
|
|
|
# After this message, a new scan clears the ignore and the STA
|
|
# connects.
|
|
wpas.wait_connected(timeout=15)
|
|
|
|
def test_eht_mld_link_removal(dev, apdev):
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"""EHT MLD with two links. Links removed during association"""
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with HWSimRadio(use_mlo=True) as (hapd0_radio, hapd0_iface), \
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HWSimRadio(use_mlo=True) as (wpas_radio, wpas_iface):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas.interface_add(wpas_iface)
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ssid = "mld_ap_owe_two_link"
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params = eht_mld_ap_wpa2_params(ssid, key_mgmt="OWE", mfp="2")
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hapd0 = eht_mld_enable_ap(hapd0_iface, params)
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params['channel'] = '6'
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hapd1 = eht_mld_enable_ap(hapd0_iface, params)
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wpas.connect(ssid, scan_freq="2412 2437", key_mgmt="OWE",
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ieee80211w="2")
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eht_verify_status(wpas, hapd0, 2412, 20, is_ht=True, mld=True,
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valid_links=3, active_links=3)
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eht_verify_wifi_version(wpas)
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traffic_test(wpas, hapd0)
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logger.info("Disable the 2nd link in 4 beacon intervals")
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hapd1.link_remove(4)
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time.sleep(0.6)
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logger.info("Test traffic after 2nd link disabled")
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traffic_test(wpas, hapd0)
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if "OK" not in hapd0.request("REKEY_GTK"):
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raise Exception("REKEY_GTK failed")
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ev = wpas.wait_event(["MLO RSN: Group rekeying completed"], timeout=2)
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if ev is None:
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raise Exception("GTK rekey timed out")
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traffic_test(wpas, hapd0)
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logger.info("Disable the 1st link in 20 beacon intervals")
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hapd0.link_remove(20)
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time.sleep(1)
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logger.info("Verify that traffic is valid before the link is removed")
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traffic_test(wpas, hapd0)
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time.sleep(2)
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logger.info("Test traffic after 1st link disabled")
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traffic_test(wpas, hapd0, success=False)
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