package/network/services/hostapd/patches/016-tests-DFS-test-for-wpa_supplicant-mesh.patch

   1 From 6ee4e70d469b8ce05013ed524eea32ea303e6563 Mon Sep 17 00:00:00 2001
   2 From: Markus Theil <markus.theil@tu-ilmenau.de>
   3 Date: Tue, 30 Jun 2020 14:19:04 +0200
   4 Subject: [PATCH 16/19] tests: DFS test for wpa_supplicant mesh
   5
   6 Add a test with uses a DFS channel, waits for CAC
   7 afterwards successfull mesh join and then triggers
   8 a radar event and check if the mesh comes up again
   9 on the same device.
  10
  11 Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
  12 ---
  13  tests/hwsim/test_wpas_mesh.py | 56 +++++++++++++++++++++++++++++++++--
  14  1 file changed, 54 insertions(+), 2 deletions(-)
  15
  16 --- a/tests/hwsim/test_wpas_mesh.py
  17 +++ b/tests/hwsim/test_wpas_mesh.py
  18 @@ -80,8 +80,23 @@ def check_mesh_scan(dev, params, other_s
  19      if '[MESH]' not in bss['flags']:
  20          raise Exception("BSS output did not include MESH flag")
  21
  22 -def check_mesh_group_added(dev):
  23 -    ev = dev.wait_event(["MESH-GROUP-STARTED"])
  24 +def check_dfs_started(dev, timeout=10):
  25 +    ev = dev.wait_event(["DFS-CAC-START"], timeout=timeout)
  26 +    if ev is None:
  27 +        raise Exception("Test exception: CAC did not start")
  28 +
  29 +def check_dfs_finished(dev, timeout=70):
  30 +    ev = dev.wait_event(["DFS-CAC-COMPLETED"], timeout=timeout)
  31 +    if ev is None:
  32 +        raise Exception("Test exception: CAC did not finish")
  33 +
  34 +def check_mesh_radar_handling_finished(dev, timeout=75):
  35 +    ev = dev.wait_event(["CTRL-EVENT-CHANNEL-SWITCH", "MESH-GROUP-STARTED"], timeout=timeout)
  36 +    if ev is None:
  37 +        raise Exception("Test exception: Couldn't join mesh")
  38 +
  39 +def check_mesh_group_added(dev, timeout=10):
  40 +    ev = dev.wait_event(["MESH-GROUP-STARTED"], timeout=timeout)
  41      if ev is None:
  42          raise Exception("Test exception: Couldn't join mesh")
  43
  44 @@ -91,6 +106,10 @@ def check_mesh_group_removed(dev):
  45      if ev is None:
  46          raise Exception("Test exception: Couldn't leave mesh")
  47
  48 +def check_regdom_change(dev, timeout=10):
  49 +    ev = dev.wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=timeout)
  50 +    if ev is None:
  51 +        raise Exception("Test exception: No regdom change happened.")
  52
  53  def check_mesh_peer_connected(dev, timeout=10):
  54      ev = dev.wait_event(["MESH-PEER-CONNECTED"], timeout=timeout)
  55 @@ -167,6 +186,39 @@ def test_wpas_mesh_group_remove(dev):
  56      check_mesh_group_removed(dev[0])
  57      dev[0].mesh_group_remove()
  58
  59 +def dfs_simulate_radar(dev):
  60 +    logger.info("Trigger a simulated radar event")
  61 +    phyname = dev.get_driver_status_field("phyname")
  62 +    radar_file = '/sys/kernel/debug/ieee80211/' + phyname + '/hwsim/dfs_simulate_radar'
  63 +    with open(radar_file, 'w') as f:
  64 +        f.write('1')
  65 +
  66 +@long_duration_test
  67 +def test_wpas_mesh_peer_connected_dfs(dev):
  68 +    """wpa_supplicant MESH peer connected"""
  69 +    dev[0].set("country", "DE")
  70 +    dev[1].set("country", "DE")
  71 +
  72 +    check_regdom_change(dev[0])
  73 +    check_regdom_change(dev[1])
  74 +
  75 +    check_mesh_support(dev[0])
  76 +    add_open_mesh_network(dev[0], freq="5500", beacon_int=160)
  77 +    add_open_mesh_network(dev[1], freq="5500", beacon_int=160)
  78 +    check_dfs_started(dev[0])
  79 +    check_dfs_finished(dev[0])
  80 +    check_mesh_joined_connected(dev, timeout0=10)
  81 +
  82 +    dfs_simulate_radar(dev[0])
  83 +
  84 +    check_mesh_radar_handling_finished(dev[0], timeout=75)
  85 +
  86 +    dev[0].set("country", "00")
  87 +    dev[1].set("country", "00")
  88 +
  89 +    check_regdom_change(dev[0])
  90 +    check_regdom_change(dev[1])
  91 +
  92  def test_wpas_mesh_peer_connected(dev):
  93      """wpa_supplicant MESH peer connected"""
  94      check_mesh_support(dev[0])