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tests: DFS test for mesh

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Add a test which uses a DFS channel, waits for CAC afterwards successful
mesh join and then triggers a radar event and checks if the mesh comes
up again on the same device.

Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
This commit is contained in:
Markus Theil 2020-06-30 14:19:04 +02:00 committed by Jouni Malinen
parent 7c2cad969a
commit 3806ad73e1
1 changed files with 55 additions and 2 deletions
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57
tests/hwsim/test_wpas_mesh.py
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@ -80,8 +80,24 @@ def check_mesh_scan(dev, params, other_started=False, beacon_int=0):
if '[MESH]' not in bss['flags']:
raise Exception("BSS output did not include MESH flag")
def check_mesh_group_added(dev):
ev = dev.wait_event(["MESH-GROUP-STARTED"])
def check_dfs_started(dev, timeout=10):
ev = dev.wait_event(["DFS-CAC-START"], timeout=timeout)
if ev is None:
raise Exception("Test exception: CAC did not start")
def check_dfs_finished(dev, timeout=70):
ev = dev.wait_event(["DFS-CAC-COMPLETED"], timeout=timeout)
if ev is None:
raise Exception("Test exception: CAC did not finish")
def check_mesh_radar_handling_finished(dev, timeout=75):
ev = dev.wait_event(["CTRL-EVENT-CHANNEL-SWITCH", "MESH-GROUP-STARTED"],
timeout=timeout)
if ev is None:
raise Exception("Test exception: Couldn't join mesh")
def check_mesh_group_added(dev, timeout=10):
ev = dev.wait_event(["MESH-GROUP-STARTED"], timeout=timeout)
if ev is None:
raise Exception("Test exception: Couldn't join mesh")
@ -91,6 +107,10 @@ def check_mesh_group_removed(dev):
if ev is None:
raise Exception("Test exception: Couldn't leave mesh")
def check_regdom_change(dev, timeout=10):
ev = dev.wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=timeout)
if ev is None:
raise Exception("Test exception: No regdom change happened.")
def check_mesh_peer_connected(dev, timeout=10):
ev = dev.wait_event(["MESH-PEER-CONNECTED"], timeout=timeout)
@ -167,6 +187,39 @@ def test_wpas_mesh_group_remove(dev):
check_mesh_group_removed(dev[0])
dev[0].mesh_group_remove()
def dfs_simulate_radar(dev):
logger.info("Trigger a simulated radar event")
phyname = dev.get_driver_status_field("phyname")
radar_file = '/sys/kernel/debug/ieee80211/' + phyname + '/hwsim/dfs_simulate_radar'
with open(radar_file, 'w') as f:
f.write('1')
@long_duration_test
def test_mesh_peer_connected_dfs(dev):
"""Mesh peer connected (DFS)"""
dev[0].set("country", "DE")
dev[1].set("country", "DE")
check_regdom_change(dev[0])
check_regdom_change(dev[1])
check_mesh_support(dev[0])
add_open_mesh_network(dev[0], freq="5500", beacon_int=160)
add_open_mesh_network(dev[1], freq="5500", beacon_int=160)
check_dfs_started(dev[0])
check_dfs_finished(dev[0])
check_mesh_joined_connected(dev, timeout0=10)
dfs_simulate_radar(dev[0])
check_mesh_radar_handling_finished(dev[0], timeout=75)
dev[0].set("country", "00")
dev[1].set("country", "00")
check_regdom_change(dev[0])
check_regdom_change(dev[1])
def test_wpas_mesh_peer_connected(dev):
"""wpa_supplicant MESH peer connected"""
check_mesh_support(dev[0])