auto-t: add test for HT/VHT rates

This is a VERY simple test for HT/VHT. Since there are so many potential
options in the IE this really just tests that drops in RSSI will cause
IWD to choose a different BSS, even if that means choosing HT over VHT,
or even basic rates over HT/VHT.

autotests/testHT-VHT/ht.conf

@@ -0,0 +1,10 @@
+hw_mode=a
+channel=2
+ssid=testSSID
+
+wpa=2
+wpa_pairwise=CCMP
+wpa_passphrase=secret123
+
+ieee80211n=1
+channel=36

autotests/testHT-VHT/hw.conf

@@ -0,0 +1,11 @@
+[SETUP]
+num_radios=4
+max_test_exec_interval_sec=45
+reg_domain=US
+iwd_config_dir=/tmp
+tmpfs_extra_stuff=main.conf
+
+[HOSTAPD]
+rad0=non-ht-vht.conf
+rad1=ht.conf
+rad2=vht.conf

autotests/testHT-VHT/main.conf

@@ -0,0 +1,2 @@
+[Scan]
+disable_mac_address_randomization=true

autotests/testHT-VHT/non-ht-vht.conf

@@ -0,0 +1,7 @@
+hw_mode=g
+channel=1
+ssid=testSSID
+
+wpa=2
+wpa_pairwise=CCMP
+wpa_passphrase=secret123

autotests/testHT-VHT/test.py

@@ -0,0 +1,137 @@
+#! /usr/bin/python3
+
+import unittest
+import sys
+
+sys.path.append('../util')
+import iwd
+from iwd import IWD
+from iwd import PSKAgent
+from iwd import NetworkType
+from hwsim import Hwsim
+from hostapd import HostapdCLI
+from wiphy import wiphy_map
+import testutil
+from time import sleep
+
+class Test(unittest.TestCase):
+    def do_connect(self, wd, device, hostapd):
+        condition = 'not obj.scanning'
+        wd.wait_for_object_condition(device, condition)
+
+        device.scan()
+
+        condition = 'obj.scanning'
+        wd.wait_for_object_condition(device, condition)
+
+        condition = 'not obj.scanning'
+        wd.wait_for_object_condition(device, condition)
+
+        ordered_network = device.get_ordered_network('testSSID')
+
+        self.assertEqual(ordered_network.type, NetworkType.psk)
+
+        condition = 'not obj.connected'
+        wd.wait_for_object_condition(ordered_network.network_object, condition)
+
+        ordered_network.network_object.connect()
+
+        condition = 'obj.connected'
+        wd.wait_for_object_condition(ordered_network.network_object, condition)
+
+        sleep(1)
+
+        testutil.test_iface_operstate()
+        testutil.test_ifaces_connected(device.name, hostapd.ifname)
+
+        device.disconnect()
+
+        condition = 'not obj.connected'
+        wd.wait_for_object_condition(ordered_network.network_object, condition)
+
+    def test_connection_success(self):
+        hwsim = Hwsim()
+        non_ht_hostapd = None
+        ht_hostapd = None
+        non_ht_radio = None
+        ht_radio = None
+        vht_radio = None
+
+        for wname in wiphy_map:
+            wiphy = wiphy_map[wname]
+            intf = list(wiphy.values())[0]
+            if intf.config and intf.config == 'non-ht-vht.conf':
+                non_ht_hostapd = HostapdCLI(intf)
+
+                for path in hwsim.radios:
+                    radio = hwsim.radios[path]
+                    if radio.name == wname:
+                        non_ht_radio = radio
+
+            elif intf.config and intf.config == 'ht.conf':
+                ht_hostapd = HostapdCLI(intf)
+
+                for path in hwsim.radios:
+                    radio = hwsim.radios[path]
+                    if radio.name == wname:
+                        ht_radio = radio
+            elif intf.config and intf.config == 'vht.conf':
+                vht_hostapd = HostapdCLI(intf)
+
+                for path in hwsim.radios:
+                    radio = hwsim.radios[path]
+                    if radio.name == wname:
+                        vht_radio = radio
+            else:
+                continue
+
+        self.assertIsNotNone(non_ht_hostapd)
+        self.assertIsNotNone(ht_hostapd)
+        self.assertIsNotNone(vht_hostapd)
+
+        rule0 = hwsim.rules.create()
+        rule0.source = vht_radio.addresses[0]
+        rule0.bidirectional = True
+        rule0.signal = -2000
+
+        rule1 = hwsim.rules.create()
+        rule1.source = ht_radio.addresses[0]
+        rule1.bidirectional = True
+        rule1.signal = -2000
+
+        rule2 = hwsim.rules.create()
+        rule2.source = non_ht_radio.addresses[0]
+        rule2.bidirectional = True
+        rule2.signal = -2000
+
+        wd = IWD()
+
+        psk_agent = PSKAgent("secret123")
+        wd.register_psk_agent(psk_agent)
+
+        device = wd.list_devices(1)[0]
+
+        self.do_connect(wd, device, vht_hostapd)
+
+        # lower VHT BSS signal, HT should now be preferred
+        rule0.signal = -6000
+
+        self.do_connect(wd, device, ht_hostapd)
+
+        # lower HT BSS signal, basic rate BSS should now be preferred
+        rule1.signal = -6000
+
+        self.do_connect(wd, device, non_ht_hostapd)
+
+        wd.unregister_psk_agent(psk_agent)
+
+    @classmethod
+    def setUpClass(cls):
+        pass
+
+    @classmethod
+    def tearDownClass(cls):
+        IWD.clear_storage()
+
+if __name__ == '__main__':
+    unittest.main(exit=True)

autotests/testHT-VHT/vht.conf

@@ -0,0 +1,13 @@
+ssid=testSSID
+wpa=2
+wpa_pairwise=CCMP
+wpa_passphrase=secret123
+
+country_code=US
+hw_mode=a
+ieee80211d=1
+ieee80211h=1
+ieee80211n=1
+ieee80211ac=1
+
+channel=36