[PATCH 2/2] tests: hwsim: add dfs_chan_switch_precac

[Janusz Dziedzic]

Add test case that will check preCAC,
which is available for EU regulatory
domain.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic at gmail.com>
---
 tests/hwsim/test_dfs.py | 49 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/tests/hwsim/test_dfs.py b/tests/hwsim/test_dfs.py
index 3efe6bb2d..8708125d1 100644
--- a/tests/hwsim/test_dfs.py
+++ b/tests/hwsim/test_dfs.py
@@ -652,3 +652,52 @@ def test_dfs_chan_switch(dev, apdev):
         hwsim_utils.test_connectivity(dev[0], hapd)
     finally:
         clear_regdom(hapd, dev)
+
+ at long_duration_test
+def test_dfs_chan_switch_precac(dev, apdev):
+    """DFS channel switch pre CAC"""
+    try:
+        hapd = None
+
+        # Toggle regulatory - clean all preCAC
+        hostapd.cmd_execute(apdev[0], ['iw', 'reg', 'set', "US"])
+
+        hapd = start_dfs_ap(apdev[0], country="PL")
+
+        ev = wait_dfs_event(hapd, "DFS-CAC-COMPLETED", 70)
+        if "success=1" not in ev:
+            raise Exception("CAC failed")
+        if "freq=5260" not in ev:
+            raise Exception("Unexpected DFS freq result")
+        ev = hapd.wait_event(["AP-ENABLED"], timeout=5)
+        if not ev:
+            raise Exception("AP setup timed out")
+        freq = hapd.get_status_field("freq")
+        if freq != "5260":
+            raise Exception("Unexpected frequency")
+
+        # TODO add/connect station here
+        # Today skip this step while dev[0].connect()
+        # for some reason toggle regulatory to US
+        # and clean preCAC
+
+        # Back to non DFS channel
+        if "OK" not in hapd.request("CHAN_SWITCH 5 5180 ht"):
+            raise Exception("CHAN_SWITCH 5180 failed")
+
+        ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=5)
+        if not ev:
+            raise Exception("No CSA finished event - 5180")
+        freq = hapd.get_status_field("freq")
+        if freq != "5180":
+            raise Exception("Unexpected frequency")
+
+	# Back again to DFS channel (CAC passed)
+        if "OK" not in hapd.request("CHAN_SWITCH 5 5260 ht"):
+            raise Exception("CHAN_SWITCH 5260 failed")
+
+        ev = wait_dfs_event(hapd, "AP-CSA-FINISHED", 5)
+        if not ev:
+            raise Exception("No CSA finished event - 5260")
+    finally:
+        clear_regdom(hapd, dev)
-- 
2.17.1