]>
git.ipfire.org Git - thirdparty/hostap.git/blob - tests/hwsim/test_dfs.py
2 # Copyright (c) 2013, Jouni Malinen <j@w1.fi>
4 # This software may be distributed under the terms of the BSD license.
5 # See README for more details.
11 logger
= logging
.getLogger()
16 def wait_dfs_event(hapd
, event
, timeout
):
17 dfs_events
= [ "DFS-RADAR-DETECTED", "DFS-NEW-CHANNEL",
18 "DFS-CAC-START", "DFS-CAC-COMPLETED",
19 "DFS-NOP-FINISHED", "AP-ENABLED" ]
20 ev
= hapd
.wait_event(dfs_events
, timeout
=timeout
)
22 raise Exception("DFS event timed out")
24 raise Exception("Unexpected DFS event")
27 def start_dfs_ap(ap
, allow_failure
=False):
29 logger
.info("Starting AP " + ifname
+ " on DFS channel")
30 hapd_global
= hostapd
.HostapdGlobal()
31 hapd_global
.remove(ifname
)
32 hapd_global
.add(ifname
)
33 hapd
= hostapd
.Hostapd(ifname
)
35 raise Exception("Could not ping hostapd")
37 hapd
.set("ssid", "dfs")
38 hapd
.set("country_code", "FI")
39 hapd
.set("ieee80211d", "1")
40 hapd
.set("ieee80211h", "1")
41 hapd
.set("hw_mode", "a")
42 hapd
.set("channel", "52")
45 ev
= wait_dfs_event(hapd
, "DFS-CAC-START", 5)
46 if "DFS-CAC-START" not in ev
:
47 raise Exception("Unexpected DFS event")
49 state
= hapd
.get_status_field("state")
52 logger
.info("Interface state not DFS: " + state
)
54 raise Exception("Unexpected interface state: " + state
)
58 def test_dfs(dev
, apdev
):
59 """DFS CAC functionality on clear channel"""
61 hapd
= start_dfs_ap(apdev
[0], allow_failure
=True)
63 if not os
.path
.exists("dfs"):
65 raise Exception("Failed to start DFS AP")
67 ev
= wait_dfs_event(hapd
, "DFS-CAC-COMPLETED", 70)
68 if "success=1" not in ev
:
69 raise Exception("CAC failed")
70 if "freq=5260" not in ev
:
71 raise Exception("Unexpected DFS freq result")
73 ev
= hapd
.wait_event(["AP-ENABLED"], timeout
=5)
75 raise Exception("AP setup timed out")
77 state
= hapd
.get_status_field("state")
78 if state
!= "ENABLED":
79 raise Exception("Unexpected interface state")
81 freq
= hapd
.get_status_field("freq")
83 raise Exception("Unexpected frequency")
85 #TODO: need to fix hwsim for DFS?!
86 #dev[0].connect("dfs", key_mgmt="NONE")
88 subprocess
.call(['sudo', 'iw', 'reg', 'set', '00'])
90 def test_dfs_radar(dev
, apdev
):
91 """DFS CAC functionality with radar detected"""
92 if not os
.path
.exists("dfs"):
96 hapd
= start_dfs_ap(apdev
[0])
98 hapd
.request("RADAR DETECTED freq=5260 ht_enabled=1 chan_width=1")
99 ev
= wait_dfs_event(hapd
, "DFS-RADAR-DETECTED", 70)
100 if "freq=5260" not in ev
:
101 raise Exception("Unexpected DFS radar detection freq")
103 state
= hapd
.get_status_field("state")
105 raise Exception("Unexpected interface state")
107 ev
= wait_dfs_event(hapd
, "DFS-NEW-CHANNEL", 5)
108 if "freq=5260" in ev
:
109 raise Exception("Unexpected DFS new freq")
111 ev
= wait_dfs_event(hapd
, "DFS-CAC-START", 5)
112 if "DFS-CAC-START" not in ev
:
113 raise Exception("Unexpected DFS event")
115 ev
= wait_dfs_event(hapd
, "DFS-CAC-COMPLETED", 70)
116 if "success=1" not in ev
:
117 raise Exception("CAC failed")
118 if "freq=5260" in ev
:
119 raise Exception("Unexpected DFS freq result - radar channel")
121 ev
= hapd
.wait_event(["AP-ENABLED"], timeout
=5)
123 raise Exception("AP setup timed out")
125 state
= hapd
.get_status_field("state")
126 if state
!= "ENABLED":
127 raise Exception("Unexpected interface state")
129 freq
= hapd
.get_status_field("freq")
131 raise Exception("Unexpected frequency")
133 #TODO: need to fix hwsim for DFS?!
134 #dev[0].connect("dfs", key_mgmt="NONE")
136 subprocess
.call(['sudo', 'iw', 'reg', 'set', '00'])
138 def test_dfs_radar_on_non_dfs_channel(dev
, apdev
):
139 """DFS radar detection test code on non-DFS channel"""
140 params
= { "ssid": "radar" }
141 hapd
= hostapd
.add_ap(apdev
[0]['ifname'], params
)
143 hapd
.request("RADAR DETECTED freq=5260 ht_enabled=1 chan_width=1")
144 hapd
.request("RADAR DETECTED freq=2412 ht_enabled=1 chan_width=1")