3 # wpa_supplicant mesh mode tests
4 # Copyright (c) 2014, cozybit Inc.
6 # This software may be distributed under the terms of the BSD license.
7 # See README for more details.
10 logger = logging.getLogger()
13 from wpasupplicant import WpaSupplicant
14 from utils import HwsimSkip
16 def check_mesh_support(dev):
17 flags = int(dev.get_driver_status_field('capa.flags'), 16)
18 if flags & 0x100000000 == 0:
19 raise HwsimSkip("Driver does not support mesh")
21 def check_mesh_scan(dev, params, other_started=False, beacon_int=0):
24 id = dev.request("SCAN " + params)
26 raise Exception("Failed to start scan")
30 ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
32 raise Exception("Other scan did not start")
33 if "id=" + str(id) in ev:
34 raise Exception("Own scan id unexpectedly included in start event")
36 ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
38 raise Exception("Other scan did not complete")
39 if "id=" + str(id) in ev:
41 "Own scan id unexpectedly included in completed event")
43 ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
45 raise Exception("Scan did not start")
46 if "id=" + str(id) not in ev:
47 raise Exception("Scan id not included in start event")
49 ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
51 raise Exception("Scan did not complete")
52 if "id=" + str(id) not in ev:
53 raise Exception("Scan id not included in completed event")
55 res = dev.request("SCAN_RESULTS")
57 if res.find("[MESH]") < 0:
58 raise Exception("Scan did not contain a MESH network")
60 bssid = res.splitlines()[1].split(' ')[0]
61 bss = dev.get_bss(bssid)
63 raise Exception("Could not get BSS entry for mesh")
64 if 'mesh_capability' not in bss:
65 raise Exception("mesh_capability missing from BSS entry")
67 if 'beacon_int' not in bss:
68 raise Exception("beacon_int missing from BSS entry")
69 if str(beacon_int) != bss['beacon_int']:
70 raise Exception("Unexpected beacon_int in BSS entry: " + bss['beacon_int'])
72 def check_mesh_group_added(dev):
73 ev = dev.wait_event(["MESH-GROUP-STARTED"])
75 raise Exception("Test exception: Couldn't join mesh")
78 def check_mesh_group_removed(dev):
79 ev = dev.wait_event(["MESH-GROUP-REMOVED"])
81 raise Exception("Test exception: Couldn't leave mesh")
84 def check_mesh_peer_connected(dev, timeout=10):
85 ev = dev.wait_event(["MESH-PEER-CONNECTED"], timeout=timeout)
87 raise Exception("Test exception: Remote peer did not connect.")
90 def check_mesh_peer_disconnected(dev):
91 ev = dev.wait_event(["MESH-PEER-DISCONNECTED"])
93 raise Exception("Test exception: Peer disconnect event not detected.")
96 def test_wpas_add_set_remove_support(dev):
97 """wpa_supplicant MESH add/set/remove network support"""
98 id = dev[0].add_network()
99 dev[0].set_network(id, "mode", "5")
100 dev[0].remove_network(id)
102 def add_open_mesh_network(dev, ht_mode=False, freq="2412", start=True,
104 id = dev.add_network()
105 dev.set_network(id, "mode", "5")
106 dev.set_network_quoted(id, "ssid", "wpas-mesh-open")
107 dev.set_network(id, "key_mgmt", "NONE")
108 dev.set_network(id, "frequency", freq)
110 dev.set_network(id, "mesh_ht_mode", ht_mode)
112 dev.set_network(id, "beacon_int", str(beacon_int))
114 dev.mesh_group_add(id)
117 def test_wpas_mesh_group_added(dev):
118 """wpa_supplicant MESH group add"""
119 check_mesh_support(dev[0])
120 add_open_mesh_network(dev[0])
122 # Check for MESH-GROUP-STARTED event
123 check_mesh_group_added(dev[0])
126 def test_wpas_mesh_group_remove(dev):
127 """wpa_supplicant MESH group remove"""
128 check_mesh_support(dev[0])
129 add_open_mesh_network(dev[0], ht_mode="NOHT")
130 # Check for MESH-GROUP-STARTED event
131 check_mesh_group_added(dev[0])
132 dev[0].mesh_group_remove()
133 # Check for MESH-GROUP-REMOVED event
134 check_mesh_group_removed(dev[0])
135 dev[0].mesh_group_remove()
137 def test_wpas_mesh_peer_connected(dev):
138 """wpa_supplicant MESH peer connected"""
139 check_mesh_support(dev[0])
140 add_open_mesh_network(dev[0], ht_mode="HT20", beacon_int=160)
141 add_open_mesh_network(dev[1], ht_mode="HT20", beacon_int=160)
143 # Check for mesh joined
144 check_mesh_group_added(dev[0])
145 check_mesh_group_added(dev[1])
147 # Check for peer connected
148 check_mesh_peer_connected(dev[0])
149 check_mesh_peer_connected(dev[1])
152 def test_wpas_mesh_peer_disconnected(dev):
153 """wpa_supplicant MESH peer disconnected"""
154 check_mesh_support(dev[0])
155 add_open_mesh_network(dev[0])
156 add_open_mesh_network(dev[1])
158 # Check for mesh joined
159 check_mesh_group_added(dev[0])
160 check_mesh_group_added(dev[1])
162 # Check for peer connected
163 check_mesh_peer_connected(dev[0])
164 check_mesh_peer_connected(dev[1])
166 # Remove group on dev 1
167 dev[1].mesh_group_remove()
168 # Device 0 should get a disconnection event
169 check_mesh_peer_disconnected(dev[0])
172 def test_wpas_mesh_mode_scan(dev):
173 """wpa_supplicant MESH scan support"""
174 check_mesh_support(dev[0])
175 add_open_mesh_network(dev[0], ht_mode="HT40+")
176 add_open_mesh_network(dev[1], ht_mode="HT40+", beacon_int=175)
178 # Check for mesh joined
179 check_mesh_group_added(dev[0])
180 check_mesh_group_added(dev[1])
182 # Check for Mesh scan
183 check_mesh_scan(dev[0], "use_id=1", beacon_int=175)
185 def test_wpas_mesh_open(dev, apdev):
186 """wpa_supplicant open MESH network connectivity"""
187 check_mesh_support(dev[0])
188 add_open_mesh_network(dev[0], ht_mode="HT40-", freq="2462")
189 add_open_mesh_network(dev[1], ht_mode="HT40-", freq="2462")
191 # Check for mesh joined
192 check_mesh_group_added(dev[0])
193 check_mesh_group_added(dev[1])
195 # Check for peer connected
196 check_mesh_peer_connected(dev[0])
197 check_mesh_peer_connected(dev[1])
199 # Test connectivity 0->1 and 1->0
200 hwsim_utils.test_connectivity(dev[0], dev[1])
202 def test_wpas_mesh_open_no_auto(dev, apdev):
203 """wpa_supplicant open MESH network connectivity"""
204 check_mesh_support(dev[0])
205 id = add_open_mesh_network(dev[0], start=False)
206 dev[0].set_network(id, "dot11MeshMaxRetries", "16")
207 dev[0].set_network(id, "dot11MeshRetryTimeout", "255")
208 dev[0].mesh_group_add(id)
210 id = add_open_mesh_network(dev[1], start=False)
211 dev[1].set_network(id, "no_auto_peer", "1")
212 dev[1].mesh_group_add(id)
214 # Check for mesh joined
215 check_mesh_group_added(dev[0])
216 check_mesh_group_added(dev[1])
218 # Check for peer connected
219 check_mesh_peer_connected(dev[0], timeout=30)
220 check_mesh_peer_connected(dev[1])
222 # Test connectivity 0->1 and 1->0
223 hwsim_utils.test_connectivity(dev[0], dev[1])
225 def add_mesh_secure_net(dev, psk=True):
226 id = dev.add_network()
227 dev.set_network(id, "mode", "5")
228 dev.set_network_quoted(id, "ssid", "wpas-mesh-sec")
229 dev.set_network(id, "key_mgmt", "SAE")
230 dev.set_network(id, "frequency", "2412")
232 dev.set_network_quoted(id, "psk", "thisismypassphrase!")
235 def test_wpas_mesh_secure(dev, apdev):
236 """wpa_supplicant secure MESH network connectivity"""
237 check_mesh_support(dev[0])
238 dev[0].request("SET sae_groups ")
239 id = add_mesh_secure_net(dev[0])
240 dev[0].mesh_group_add(id)
242 dev[1].request("SET sae_groups ")
243 id = add_mesh_secure_net(dev[1])
244 dev[1].mesh_group_add(id)
246 # Check for mesh joined
247 check_mesh_group_added(dev[0])
248 check_mesh_group_added(dev[1])
250 # Check for peer connected
251 check_mesh_peer_connected(dev[0])
252 check_mesh_peer_connected(dev[1])
254 # Test connectivity 0->1 and 1->0
255 hwsim_utils.test_connectivity(dev[0], dev[1])
257 def test_wpas_mesh_secure_sae_group_mismatch(dev, apdev):
258 """wpa_supplicant secure MESH and SAE group mismatch"""
259 check_mesh_support(dev[0])
260 addr0 = dev[0].p2p_interface_addr()
261 addr1 = dev[1].p2p_interface_addr()
262 addr2 = dev[2].p2p_interface_addr()
264 dev[0].request("SET sae_groups 19 25")
265 id = add_mesh_secure_net(dev[0])
266 dev[0].mesh_group_add(id)
268 dev[1].request("SET sae_groups 19")
269 id = add_mesh_secure_net(dev[1])
270 dev[1].mesh_group_add(id)
272 dev[2].request("SET sae_groups 26")
273 id = add_mesh_secure_net(dev[2])
274 dev[2].mesh_group_add(id)
276 check_mesh_group_added(dev[0])
277 check_mesh_group_added(dev[1])
278 check_mesh_group_added(dev[2])
280 ev = dev[0].wait_event(["MESH-PEER-CONNECTED"])
282 raise Exception("Remote peer did not connect")
284 raise Exception("Unexpected peer connected: " + ev)
286 ev = dev[1].wait_event(["MESH-PEER-CONNECTED"])
288 raise Exception("Remote peer did not connect")
290 raise Exception("Unexpected peer connected: " + ev)
292 ev = dev[2].wait_event(["MESH-PEER-CONNECTED"], timeout=1)
294 raise Exception("Unexpected peer connection at dev[2]: " + ev)
296 ev = dev[0].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
298 raise Exception("Unexpected peer connection: " + ev)
300 ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
302 raise Exception("Unexpected peer connection: " + ev)
304 dev[0].request("SET sae_groups ")
305 dev[1].request("SET sae_groups ")
306 dev[2].request("SET sae_groups ")
308 def test_wpas_mesh_secure_sae_missing_password(dev, apdev):
309 """wpa_supplicant secure MESH and missing SAE password"""
310 check_mesh_support(dev[0])
311 id = add_mesh_secure_net(dev[0], psk=False)
312 dev[0].set_network(id, "psk", "8f20b381f9b84371d61b5080ad85cac3c61ab3ca9525be5b2d0f4da3d979187a")
313 dev[0].mesh_group_add(id)
314 ev = dev[0].wait_event(["MESH-GROUP-STARTED", "Could not join mesh"],
317 raise Exception("Timeout on mesh start event")
318 if "MESH-GROUP-STARTED" in ev:
319 raise Exception("Unexpected mesh group start")
320 ev = dev[0].wait_event(["MESH-GROUP-STARTED"], timeout=0.1)
322 raise Exception("Unexpected mesh group start")
324 def test_wpas_mesh_secure_no_auto(dev, apdev):
325 """wpa_supplicant secure MESH network connectivity"""
326 check_mesh_support(dev[0])
327 dev[0].request("SET sae_groups 19")
328 id = add_mesh_secure_net(dev[0])
329 dev[0].mesh_group_add(id)
331 dev[1].request("SET sae_groups 19")
332 id = add_mesh_secure_net(dev[1])
333 dev[1].set_network(id, "no_auto_peer", "1")
334 dev[1].mesh_group_add(id)
336 # Check for mesh joined
337 check_mesh_group_added(dev[0])
338 check_mesh_group_added(dev[1])
340 # Check for peer connected
341 check_mesh_peer_connected(dev[0], timeout=30)
342 check_mesh_peer_connected(dev[1])
344 # Test connectivity 0->1 and 1->0
345 hwsim_utils.test_connectivity(dev[0], dev[1])
347 dev[0].request("SET sae_groups ")
348 dev[1].request("SET sae_groups ")
350 def test_wpas_mesh_ctrl(dev):
351 """wpa_supplicant ctrl_iface mesh command error cases"""
352 check_mesh_support(dev[0])
353 if "FAIL" not in dev[0].request("MESH_GROUP_ADD 123"):
354 raise Exception("Unexpected MESH_GROUP_ADD success")
355 id = dev[0].add_network()
356 if "FAIL" not in dev[0].request("MESH_GROUP_ADD %d" % id):
357 raise Exception("Unexpected MESH_GROUP_ADD success")
358 dev[0].set_network(id, "mode", "5")
359 dev[0].set_network(id, "key_mgmt", "WPA-PSK")
360 if "FAIL" not in dev[0].request("MESH_GROUP_ADD %d" % id):
361 raise Exception("Unexpected MESH_GROUP_ADD success")
363 if "FAIL" not in dev[0].request("MESH_GROUP_REMOVE foo"):
364 raise Exception("Unexpected MESH_GROUP_REMOVE success")
366 def test_wpas_mesh_dynamic_interface(dev):
367 """wpa_supplicant mesh with dynamic interface"""
368 check_mesh_support(dev[0])
372 mesh0 = dev[0].request("MESH_INTERFACE_ADD ifname=mesh0")
374 raise Exception("MESH_INTERFACE_ADD failed")
375 mesh1 = dev[1].request("MESH_INTERFACE_ADD")
377 raise Exception("MESH_INTERFACE_ADD failed")
379 wpas0 = WpaSupplicant(ifname=mesh0)
380 wpas1 = WpaSupplicant(ifname=mesh1)
381 logger.info(mesh0 + " address " + wpas0.get_status_field("address"))
382 logger.info(mesh1 + " address " + wpas1.get_status_field("address"))
384 add_open_mesh_network(wpas0)
385 add_open_mesh_network(wpas1)
386 check_mesh_group_added(wpas0)
387 check_mesh_group_added(wpas1)
388 check_mesh_peer_connected(wpas0)
389 check_mesh_peer_connected(wpas1)
390 hwsim_utils.test_connectivity(wpas0, wpas1)
392 # Must not allow MESH_GROUP_REMOVE on dynamic interface
393 if "FAIL" not in wpas0.request("MESH_GROUP_REMOVE " + mesh0):
394 raise Exception("Invalid MESH_GROUP_REMOVE accepted")
395 if "FAIL" not in wpas1.request("MESH_GROUP_REMOVE " + mesh1):
396 raise Exception("Invalid MESH_GROUP_REMOVE accepted")
398 # Must not allow MESH_GROUP_REMOVE on another radio interface
399 if "FAIL" not in wpas0.request("MESH_GROUP_REMOVE " + mesh1):
400 raise Exception("Invalid MESH_GROUP_REMOVE accepted")
401 if "FAIL" not in wpas1.request("MESH_GROUP_REMOVE " + mesh0):
402 raise Exception("Invalid MESH_GROUP_REMOVE accepted")
404 wpas0.remove_ifname()
405 wpas1.remove_ifname()
407 if "OK" not in dev[0].request("MESH_GROUP_REMOVE " + mesh0):
408 raise Exception("MESH_GROUP_REMOVE failed")
409 if "OK" not in dev[1].request("MESH_GROUP_REMOVE " + mesh1):
410 raise Exception("MESH_GROUP_REMOVE failed")
412 if "FAIL" not in dev[0].request("MESH_GROUP_REMOVE " + mesh0):
413 raise Exception("Invalid MESH_GROUP_REMOVE accepted")
414 if "FAIL" not in dev[1].request("MESH_GROUP_REMOVE " + mesh1):
415 raise Exception("Invalid MESH_GROUP_REMOVE accepted")
417 logger.info("Make sure another dynamic group can be added")
418 mesh0 = dev[0].request("MESH_INTERFACE_ADD ifname=mesh0")
420 raise Exception("MESH_INTERFACE_ADD failed")
421 mesh1 = dev[1].request("MESH_INTERFACE_ADD")
423 raise Exception("MESH_INTERFACE_ADD failed")
425 wpas0 = WpaSupplicant(ifname=mesh0)
426 wpas1 = WpaSupplicant(ifname=mesh1)
427 logger.info(mesh0 + " address " + wpas0.get_status_field("address"))
428 logger.info(mesh1 + " address " + wpas1.get_status_field("address"))
430 add_open_mesh_network(wpas0)
431 add_open_mesh_network(wpas1)
432 check_mesh_group_added(wpas0)
433 check_mesh_group_added(wpas1)
434 check_mesh_peer_connected(wpas0)
435 check_mesh_peer_connected(wpas1)
436 hwsim_utils.test_connectivity(wpas0, wpas1)
439 dev[0].request("MESH_GROUP_REMOVE " + mesh0)
441 dev[1].request("MESH_GROUP_REMOVE " + mesh1)
443 def test_wpas_mesh_max_peering(dev, apdev):
444 """Mesh max peering limit"""
445 check_mesh_support(dev[0])
447 dev[0].request("SET max_peer_links 1")
449 # first, connect dev[0] and dev[1]
450 add_open_mesh_network(dev[0])
451 add_open_mesh_network(dev[1])
453 ev = dev[i].wait_event(["MESH-PEER-CONNECTED"])
455 raise Exception("dev%d did not connect with any peer" % i)
457 # add dev[2] which will try to connect with both dev[0] and dev[1],
458 # but can complete connection only with dev[1]
459 add_open_mesh_network(dev[2])
460 for i in range(1, 3):
461 ev = dev[i].wait_event(["MESH-PEER-CONNECTED"])
463 raise Exception("dev%d did not connect the second peer" % i)
465 ev = dev[0].wait_event(["MESH-PEER-CONNECTED"], timeout=1)
467 raise Exception("dev0 connection beyond max peering limit")
469 ev = dev[2].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
471 raise Exception("dev2 reported unexpected peering: " + ev)
474 dev[i].mesh_group_remove()
475 check_mesh_group_removed(dev[i])
477 dev[0].request("SET max_peer_links 99")