]>
git.ipfire.org Git - thirdparty/hostap.git/blob - tests/hwsim/test_p2p_channel.py
1 # P2P channel selection test cases
2 # Copyright (c) 2014, Jouni Malinen <j@w1.fi>
4 # This software may be distributed under the terms of the BSD license.
5 # See README for more details.
8 logger
= logging
.getLogger()
15 from wpasupplicant
import WpaSupplicant
16 from hwsim
import HWSimRadio
17 from test_p2p_grpform
import go_neg_pin_authorized
18 from test_p2p_grpform
import check_grpform_results
19 from test_p2p_grpform
import remove_group
20 from test_p2p_grpform
import go_neg_pbc
21 from test_p2p_autogo
import autogo
23 def set_country(country
):
24 subprocess
.call(['sudo', 'iw', 'reg', 'set', country
])
27 def test_p2p_channel_5ghz(dev
):
28 """P2P group formation with 5 GHz preference"""
31 [i_res
, r_res
] = go_neg_pin_authorized(i_dev
=dev
[0], i_intent
=15,
32 r_dev
=dev
[1], r_intent
=0,
34 check_grpform_results(i_res
, r_res
)
35 freq
= int(i_res
['freq'])
37 raise Exception("Unexpected channel %d MHz - did not follow 5 GHz preference" % freq
)
38 remove_group(dev
[0], dev
[1])
42 def test_p2p_channel_5ghz_no_vht(dev
):
43 """P2P group formation with 5 GHz preference when VHT channels are disallowed"""
46 dev
[0].request("P2P_SET disallow_freq 5180-5240")
47 [i_res
, r_res
] = go_neg_pin_authorized(i_dev
=dev
[0], i_intent
=15,
48 r_dev
=dev
[1], r_intent
=0,
50 check_grpform_results(i_res
, r_res
)
51 freq
= int(i_res
['freq'])
53 raise Exception("Unexpected channel %d MHz - did not follow 5 GHz preference" % freq
)
54 remove_group(dev
[0], dev
[1])
57 dev
[0].request("P2P_SET disallow_freq ")
59 def test_p2p_channel_random_social(dev
):
60 """P2P group formation with 5 GHz preference but all 5 GHz channels disabled"""
63 dev
[0].request("SET p2p_oper_channel 11")
64 dev
[0].request("P2P_SET disallow_freq 5000-6000,2462")
65 [i_res
, r_res
] = go_neg_pin_authorized(i_dev
=dev
[0], i_intent
=15,
66 r_dev
=dev
[1], r_intent
=0,
68 check_grpform_results(i_res
, r_res
)
69 freq
= int(i_res
['freq'])
70 if freq
not in [ 2412, 2437, 2462 ]:
71 raise Exception("Unexpected channel %d MHz - did not pick random social channel" % freq
)
72 remove_group(dev
[0], dev
[1])
75 dev
[0].request("P2P_SET disallow_freq ")
77 def test_p2p_channel_random(dev
):
78 """P2P group formation with 5 GHz preference but all 5 GHz channels and all social channels disabled"""
81 dev
[0].request("SET p2p_oper_channel 11")
82 dev
[0].request("P2P_SET disallow_freq 5000-6000,2412,2437,2462")
83 [i_res
, r_res
] = go_neg_pin_authorized(i_dev
=dev
[0], i_intent
=15,
84 r_dev
=dev
[1], r_intent
=0,
86 check_grpform_results(i_res
, r_res
)
87 freq
= int(i_res
['freq'])
88 if freq
> 2500 or freq
in [ 2412, 2437, 2462 ]:
89 raise Exception("Unexpected channel %d MHz" % freq
)
90 remove_group(dev
[0], dev
[1])
93 dev
[0].request("P2P_SET disallow_freq ")
95 def test_p2p_channel_random_social_with_op_class_change(dev
, apdev
, params
):
96 """P2P group formation using random social channel with oper class change needed"""
99 logger
.info("Start group on 5 GHz")
100 [i_res
, r_res
] = go_neg_pin_authorized(i_dev
=dev
[0], i_intent
=15,
101 r_dev
=dev
[1], r_intent
=0,
103 check_grpform_results(i_res
, r_res
)
104 freq
= int(i_res
['freq'])
106 raise Exception("Unexpected channel %d MHz - did not pick 5 GHz preference" % freq
)
107 remove_group(dev
[0], dev
[1])
109 logger
.info("Disable 5 GHz and try to re-start group based on 5 GHz preference")
110 dev
[0].request("SET p2p_oper_reg_class 115")
111 dev
[0].request("SET p2p_oper_channel 36")
112 dev
[0].request("P2P_SET disallow_freq 5000-6000")
113 [i_res
, r_res
] = go_neg_pin_authorized(i_dev
=dev
[0], i_intent
=15,
114 r_dev
=dev
[1], r_intent
=0,
116 check_grpform_results(i_res
, r_res
)
117 freq
= int(i_res
['freq'])
118 if freq
not in [ 2412, 2437, 2462 ]:
119 raise Exception("Unexpected channel %d MHz - did not pick random social channel" % freq
)
120 remove_group(dev
[0], dev
[1])
124 "-r", os
.path
.join(params
['logdir'], "hwsim0.pcapng"),
125 "-Y", "wifi_p2p.public_action.subtype == 0",
127 cmd
= subprocess
.Popen(arg
, stdout
=subprocess
.PIPE
,
128 stderr
=open('/dev/null', 'w'))
130 logger
.info("Could run run tshark check: " + str(e
))
136 for l
in cmd
.stdout
.read().splitlines():
137 if "Operating Channel:" not in l
:
141 raise Exception("Could not find GO Negotiation Request")
142 if "Operating Class 81" not in last
:
143 raise Exception("Unexpected operating class: " + last
.strip())
146 dev
[0].request("P2P_SET disallow_freq ")
147 dev
[0].request("SET p2p_oper_reg_class 0")
148 dev
[0].request("SET p2p_oper_channel 0")
150 def test_p2p_channel_avoid(dev
):
151 """P2P and avoid frequencies driver event"""
154 if "OK" not in dev
[0].request("DRIVER_EVENT AVOID_FREQUENCIES 5000-6000,2412,2437,2462"):
155 raise Exception("Could not simulate driver event")
156 ev
= dev
[0].wait_event(["CTRL-EVENT-AVOID-FREQ"], timeout
=10)
158 raise Exception("No CTRL-EVENT-AVOID-FREQ event")
159 [i_res
, r_res
] = go_neg_pin_authorized(i_dev
=dev
[0], i_intent
=15,
160 r_dev
=dev
[1], r_intent
=0,
162 check_grpform_results(i_res
, r_res
)
163 freq
= int(i_res
['freq'])
164 if freq
> 2500 or freq
in [ 2412, 2437, 2462 ]:
165 raise Exception("Unexpected channel %d MHz" % freq
)
167 if "OK" not in dev
[0].request("DRIVER_EVENT AVOID_FREQUENCIES"):
168 raise Exception("Could not simulate driver event(2)")
169 ev
= dev
[0].wait_event(["CTRL-EVENT-AVOID-FREQ"], timeout
=10)
171 raise Exception("No CTRL-EVENT-AVOID-FREQ event")
172 ev
= dev
[0].wait_event(["P2P-REMOVE-AND-REFORM-GROUP"], timeout
=1)
174 raise Exception("Unexpected P2P-REMOVE-AND-REFORM-GROUP event")
176 if "OK" not in dev
[0].request("DRIVER_EVENT AVOID_FREQUENCIES " + str(freq
)):
177 raise Exception("Could not simulate driver event(3)")
178 ev
= dev
[0].wait_event(["CTRL-EVENT-AVOID-FREQ"], timeout
=10)
180 raise Exception("No CTRL-EVENT-AVOID-FREQ event")
181 ev
= dev
[0].wait_event(["P2P-REMOVE-AND-REFORM-GROUP"], timeout
=10)
183 raise Exception("No P2P-REMOVE-AND-REFORM-GROUP event")
186 dev
[0].request("DRIVER_EVENT AVOID_FREQUENCIES")
188 def test_autogo_following_bss(dev
, apdev
):
189 """P2P autonomous GO operate on the same channel as station interface"""
190 if dev
[0].get_mcc() > 1:
191 logger
.info("test mode: MCC")
193 dev
[0].request("SET p2p_no_group_iface 0")
195 channels
= { 3 : "2422", 5 : "2432", 9 : "2452" }
197 hapd
= hostapd
.add_ap(apdev
[0]['ifname'], { "ssid" : 'ap-test',
198 "channel" : str(key
) })
199 dev
[0].connect("ap-test", key_mgmt
="NONE",
200 scan_freq
=str(channels
[key
]))
201 res_go
= autogo(dev
[0])
202 if res_go
['freq'] != channels
[key
]:
203 raise Exception("Group operation channel is not the same as on connected station interface")
204 hwsim_utils
.test_connectivity(dev
[0], hapd
)
205 dev
[0].remove_group(res_go
['ifname'])
207 def test_go_neg_with_bss_connected(dev
, apdev
):
208 """P2P channel selection: GO negotiation when station interface is connected"""
210 dev
[0].flush_scan_cache()
211 dev
[1].flush_scan_cache()
212 dev
[0].request("SET p2p_no_group_iface 0")
214 hapd
= hostapd
.add_ap(apdev
[0]['ifname'],
215 { "ssid": 'bss-2.4ghz', "channel": '5' })
216 dev
[0].connect("bss-2.4ghz", key_mgmt
="NONE", scan_freq
="2432")
218 [i_res
, r_res
] = go_neg_pbc(i_dev
=dev
[0], i_intent
=10, r_dev
=dev
[1],
220 check_grpform_results(i_res
, r_res
)
221 if i_res
['role'] != "GO":
222 raise Exception("GO not selected according to go_intent")
223 if i_res
['freq'] != "2432":
224 raise Exception("Group formed on a different frequency than BSS")
225 hwsim_utils
.test_connectivity(dev
[0], hapd
)
226 dev
[0].remove_group(i_res
['ifname'])
228 if dev
[0].get_mcc() > 1:
229 logger
.info("Skip as-client case due to MCC being enabled")
233 [i_res2
, r_res2
] = go_neg_pbc(i_dev
=dev
[0], i_intent
=1, r_dev
=dev
[1],
235 check_grpform_results(i_res2
, r_res2
)
236 if i_res2
['role'] != "client":
237 raise Exception("GO not selected according to go_intent")
238 if i_res2
['freq'] != "2432":
239 raise Exception("Group formed on a different frequency than BSS")
240 hwsim_utils
.test_connectivity(dev
[0], hapd
)
242 def test_autogo_with_bss_on_disallowed_chan(dev
, apdev
):
243 """P2P channel selection: Autonomous GO with BSS on a disallowed channel"""
245 with
HWSimRadio(n_channels
=2) as (radio
, iface
):
246 wpas
= WpaSupplicant(global_iface
='/tmp/wpas-wlan5')
247 wpas
.interface_add(iface
)
249 wpas
.request("SET p2p_no_group_iface 0")
251 if wpas
.get_mcc() < 2:
252 raise Exception("New radio does not support MCC")
255 hapd
= hostapd
.add_ap(apdev
[0]['ifname'], { "ssid": 'bss-2.4ghz',
257 wpas
.request("P2P_SET disallow_freq 2412")
258 wpas
.connect("bss-2.4ghz", key_mgmt
="NONE", scan_freq
="2412")
260 if res
['freq'] == "2412":
261 raise Exception("GO set on a disallowed channel")
262 hwsim_utils
.test_connectivity(wpas
, hapd
)
264 wpas
.request("P2P_SET disallow_freq ")
266 def test_go_neg_with_bss_on_disallowed_chan(dev
, apdev
):
267 """P2P channel selection: GO negotiation with station interface on a disallowed channel"""
269 with
HWSimRadio(n_channels
=2) as (radio
, iface
):
270 wpas
= WpaSupplicant(global_iface
='/tmp/wpas-wlan5')
271 wpas
.interface_add(iface
)
273 wpas
.request("SET p2p_no_group_iface 0")
275 if wpas
.get_mcc() < 2:
276 raise Exception("New radio does not support MCC")
279 hapd
= hostapd
.add_ap(apdev
[0]['ifname'],
280 { "ssid": 'bss-2.4ghz', "channel": '1' })
281 # make sure PBC overlap from old test cases is not maintained
282 dev
[0].flush_scan_cache()
283 dev
[1].flush_scan_cache()
284 wpas
.connect("bss-2.4ghz", key_mgmt
="NONE", scan_freq
="2412")
285 wpas
.request("P2P_SET disallow_freq 2412")
288 [i_res
, r_res
] = go_neg_pbc(i_dev
=wpas
, i_intent
=10, r_dev
=dev
[1],
290 check_grpform_results(i_res
, r_res
)
291 if i_res
['role'] != "GO":
292 raise Exception("GO not selected according to go_intent")
293 if i_res
['freq'] == "2412":
294 raise Exception("Group formed on a disallowed channel")
295 hwsim_utils
.test_connectivity(wpas
, hapd
)
296 wpas
.remove_group(i_res
['ifname'])
299 [i_res2
, r_res2
] = go_neg_pbc(i_dev
=wpas
, i_intent
=1, r_dev
=dev
[1],
301 check_grpform_results(i_res2
, r_res2
)
302 if i_res2
['role'] != "client":
303 raise Exception("GO not selected according to go_intent")
304 if i_res2
['freq'] == "2412":
305 raise Exception("Group formed on a disallowed channel")
306 hwsim_utils
.test_connectivity(wpas
, hapd
)
308 wpas
.request("P2P_SET disallow_freq ")
310 def test_autogo_force_diff_channel(dev
, apdev
):
311 """P2P autonomous GO and station interface operate on different channels"""
312 with
HWSimRadio(n_channels
=2) as (radio
, iface
):
313 wpas
= WpaSupplicant(global_iface
='/tmp/wpas-wlan5')
314 wpas
.interface_add(iface
)
316 if wpas
.get_mcc() < 2:
317 raise Exception("New radio does not support MCC")
319 wpas
.request("SET p2p_no_group_iface 0")
321 hapd
= hostapd
.add_ap(apdev
[0]['ifname'],
322 {"ssid" : 'ap-test', "channel" : '1'})
323 wpas
.connect("ap-test", key_mgmt
= "NONE", scan_freq
= "2412")
324 channels
= { 2 : 2417, 5 : 2432, 9 : 2452 }
326 res_go
= autogo(wpas
, channels
[key
])
327 hwsim_utils
.test_connectivity(wpas
, hapd
)
328 if int(res_go
['freq']) == 2412:
329 raise Exception("Group operation channel is: 2412 excepted: " + res_go
['freq'])
330 wpas
.remove_group(res_go
['ifname'])
332 def test_go_neg_forced_freq_diff_than_bss_freq(dev
, apdev
):
333 """P2P channel selection: GO negotiation with forced freq different than station interface"""
334 with
HWSimRadio(n_channels
=2) as (radio
, iface
):
335 wpas
= WpaSupplicant(global_iface
='/tmp/wpas-wlan5')
336 wpas
.interface_add(iface
)
338 if wpas
.get_mcc() < 2:
339 raise Exception("New radio does not support MCC")
341 # Clear possible PBC session overlap from previous test case
342 dev
[1].flush_scan_cache()
344 wpas
.request("SET p2p_no_group_iface 0")
346 hapd
= hostapd
.add_ap(apdev
[0]['ifname'],
347 { "country_code": 'US',
348 "ssid": 'bss-5ghz', "hw_mode": 'a',
350 wpas
.connect("bss-5ghz", key_mgmt
="NONE", scan_freq
="5200")
352 # GO and peer force the same freq, different than BSS freq,
354 [i_res
, r_res
] = go_neg_pbc(i_dev
=dev
[1], i_intent
=1, i_freq
=5180,
355 r_dev
=wpas
, r_intent
=14, r_freq
=5180)
356 check_grpform_results(i_res
, r_res
)
357 if i_res
['freq'] != "5180":
358 raise Exception("P2P group formed on unexpected frequency: " + i_res
['freq'])
359 if r_res
['role'] != "GO":
360 raise Exception("GO not selected according to go_intent")
361 hwsim_utils
.test_connectivity(wpas
, hapd
)
362 wpas
.remove_group(r_res
['ifname'])
364 # GO and peer force the same freq, different than BSS freq, wpas to
366 [i_res2
, r_res2
] = go_neg_pbc(i_dev
=dev
[1], i_intent
=14, i_freq
=2422,
367 r_dev
=wpas
, r_intent
=1, r_freq
=2422)
368 check_grpform_results(i_res2
, r_res2
)
369 if i_res2
['freq'] != "2422":
370 raise Exception("P2P group formed on unexpected frequency: " + i_res2
['freq'])
371 if r_res2
['role'] != "client":
372 raise Exception("GO not selected according to go_intent")
373 hwsim_utils
.test_connectivity(wpas
, hapd
)
375 def test_go_pref_chan_bss_on_diff_chan(dev
, apdev
):
376 """P2P channel selection: Station on different channel than GO configured pref channel"""
378 dev
[0].request("SET p2p_no_group_iface 0")
381 hapd
= hostapd
.add_ap(apdev
[0]['ifname'], { "ssid": 'bss-2.4ghz',
383 dev
[0].request("SET p2p_pref_chan 81:2")
384 dev
[0].connect("bss-2.4ghz", key_mgmt
="NONE", scan_freq
="2412")
386 if res
['freq'] != "2412":
387 raise Exception("GO channel did not follow BSS")
388 hwsim_utils
.test_connectivity(dev
[0], hapd
)
390 dev
[0].request("SET p2p_pref_chan ")
392 def test_go_pref_chan_bss_on_disallowed_chan(dev
, apdev
):
393 """P2P channel selection: Station interface on different channel than GO configured pref channel, and station channel is disallowed"""
394 with
HWSimRadio(n_channels
=2) as (radio
, iface
):
395 wpas
= WpaSupplicant(global_iface
='/tmp/wpas-wlan5')
396 wpas
.interface_add(iface
)
398 if wpas
.get_mcc() < 2:
399 raise Exception("New radio does not support MCC")
401 wpas
.request("SET p2p_no_group_iface 0")
404 hapd
= hostapd
.add_ap(apdev
[0]['ifname'], { "ssid": 'bss-2.4ghz',
406 wpas
.request("P2P_SET disallow_freq 2412")
407 wpas
.request("SET p2p_pref_chan 81:2")
408 wpas
.connect("bss-2.4ghz", key_mgmt
="NONE", scan_freq
="2412")
410 if res2
['freq'] != "2417":
411 raise Exception("GO channel did not follow pref_chan configuration")
412 hwsim_utils
.test_connectivity(wpas
, hapd
)
414 wpas
.request("P2P_SET disallow_freq ")
415 wpas
.request("SET p2p_pref_chan ")
417 def test_no_go_freq(dev
, apdev
):
418 """P2P channel selection: no GO freq"""
420 dev
[0].request("SET p2p_no_go_freq 2412")
421 # dev[0] as client, channel 1 is ok
422 [i_res
, r_res
] = go_neg_pbc(i_dev
=dev
[0], i_intent
=1,
423 r_dev
=dev
[1], r_intent
=14, r_freq
=2412)
424 check_grpform_results(i_res
, r_res
)
425 if i_res
['freq'] != "2412":
426 raise Exception("P2P group not formed on forced freq")
428 dev
[1].remove_group(r_res
['ifname'])
430 # dev[0] as GO, channel 1 is not allowed
432 dev
[0].request("SET p2p_no_go_freq 2412")
433 [i_res2
, r_res2
] = go_neg_pbc(i_dev
=dev
[0], i_intent
=14,
434 r_dev
=dev
[1], r_intent
=1, r_freq
=2412)
435 check_grpform_results(i_res2
, r_res2
)
440 raise Exception("GO set on a disallowed freq")
442 dev
[0].request("SET p2p_no_go_freq ")
444 def test_go_neg_peers_force_diff_freq(dev
, apdev
):
446 [i_res2
, r_res2
] = go_neg_pbc(i_dev
=dev
[0], i_intent
=14, i_freq
=5180,
447 r_dev
=dev
[1], r_intent
=0, r_freq
=5200)
450 raise Exception("Unexpected group formation success")
452 def test_autogo_random_channel(dev
, apdev
):
453 """P2P channel selection: GO instantiated on random channel 1, 6, 11"""
455 go_freqs
= ["2412", "2437", "2462"]
456 for i
in range(0, 20):
457 result
= autogo(dev
[0])
458 if result
['freq'] not in go_freqs
:
459 raise Exception("Unexpected frequency selected: " + result
['freq'])
460 if result
['freq'] not in freqs
:
461 freqs
.append(result
['freq'])
464 dev
[0].remove_group(result
['ifname'])
466 raise Exception("GO created 20 times and not all social channels were selected. freqs not selected: " + str(list(set(go_freqs
) - set(freqs
))))
468 def test_p2p_autogo_pref_chan_disallowed(dev
, apdev
):
469 """P2P channel selection: GO preferred channels are disallowed"""
471 dev
[0].request("SET p2p_pref_chan 81:1,81:3,81:6,81:9,81:11")
472 dev
[0].request("P2P_SET disallow_freq 2412,2422,2437,2452,2462")
473 for i
in range(0, 5):
475 if res
['freq'] in [ "2412", "2422", "2437", "2452", "2462" ]:
476 raise Exception("GO channel is disallowed")
477 dev
[0].remove_group(res
['ifname'])
479 dev
[0].request("P2P_SET disallow_freq ")
480 dev
[0].request("SET p2p_pref_chan ")
482 def test_p2p_autogo_pref_chan_not_in_regulatory(dev
, apdev
):
483 """P2P channel selection: GO preferred channel not allowed in the regulatory rules"""
486 dev
[0].request("SET p2p_pref_chan 124:149")
487 res
= autogo(dev
[0], persistent
=True)
488 if res
['freq'] != "5745":
489 raise Exception("Unexpected channel selected: " + res
['freq'])
490 dev
[0].remove_group(res
['ifname'])
492 netw
= dev
[0].list_networks()
494 raise Exception("Unexpected number of network blocks: " + str(netw
))
498 res
= autogo(dev
[0], persistent
=id)
499 if res
['freq'] == "5745":
500 raise Exception("Unexpected channel selected(2): " + res
['freq'])
501 dev
[0].remove_group(res
['ifname'])
503 dev
[0].request("SET p2p_pref_chan ")