tests: Use remote_cli in remote testing

This allows to use remote wpa_cli/hostapd_cli for:
 - hwsim wrapper
 - example test case

For example,
 modprobe mac80211_hwsim radios=8
 ./run-tests.py -d hwsim0 -d hwsim1 -d hwsim2 -r hwsim3 -r hwsim4 -h ap_wpa2_psk -v

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@gmail.com>

tests/remote/config.py

@@ -24,6 +24,7 @@ setup_params = {"setup_hw" : "./tests/setup_hw.sh",
                 "wlantest_cli" : "./tests/wlantest_cli",
                 "country" : "US",
                 "log_dir" : "/tmp/",
+                "remote_cli" : True,
                 "ipv4_test_net" : "192.168.12.0",
                 "trace_start" : "./tests/trace_start.sh",
                 "trace_stop" : "./tests/trace_stop.sh",

tests/remote/hwsim_wrapper.py

@@ -58,8 +58,10 @@ def run_hwsim_test(devices, setup_params, refs, duts, monitors, hwsim_test):
         # run hostapd/wpa_supplicant
         for ref_host in ref_hosts:
             rutils.run_wpasupplicant(ref_host, setup_params)
-            wpas = WpaSupplicant(hostname=ref_host.host, global_iface="udp",
+            wpas = WpaSupplicant(hostname=ref_host.host,
-                                 global_port=ref_host.port)
+                                 global_iface=ref_host.global_iface,
+                                 global_port=ref_host.port,
+                                 remote_cli=ref_host.remote_cli)
             wpas.interface_add(ref_host.ifname)
             dev.append(wpas)
         for dut_host in dut_hosts:

tests/remote/rutils.py

@@ -106,6 +106,7 @@ def perf_start_stop(host, setup_params, start):
 # hostapd/wpa_supplicant helpers
 def run_hostapd(host, setup_params):
     log_file = None
+    remote_cli = False
     try:
         tc_name = setup_params['tc_name']
         log_dir = setup_params['log_dir']
@@ -118,12 +119,28 @@ def run_hostapd(host, setup_params):
     if log_file:
         host.add_log(log_file)
     pidfile = setup_params['log_dir'] + "hostapd_" + host.ifname + "_" + setup_params['tc_name'] + ".pid"
-    status, buf = host.execute([setup_params['hostapd'], "-B", "-ddt", "-g", "udp:" + host.port, "-P", pidfile, log])
+
+    if 'remote_cli' in setup_params:
+        remote_cli = setup_params['remote_cli']
+
+    if remote_cli:
+        ctrl_global_path = '/var/run/hapd-global' + '-' + host.ifname
+        host.global_iface = ctrl_global_path
+        host.dev['remote_cli'] = True
+        host.dev['global_ctrl_override'] = ctrl_global_path
+    else:
+        ctrl_global_path = "udp:" + host.port
+        host.global_iface = "udp"
+        host.dev['remote_cli'] = False
+
+    status, buf = host.execute([setup_params['hostapd'], "-B", "-ddt", "-g",
+                                ctrl_global_path, "-P", pidfile, log])
     if status != 0:
         raise Exception("Could not run hostapd: " + buf)
 
 def run_wpasupplicant(host, setup_params):
     log_file = None
+    remote_cli = False
     try:
         tc_name = setup_params['tc_name']
         log_dir = setup_params['log_dir']
@@ -136,7 +153,22 @@ def run_wpasupplicant(host, setup_params):
     if log_file:
         host.add_log(log_file)
     pidfile = setup_params['log_dir'] + "wpa_supplicant_" + host.ifname + "_" + setup_params['tc_name'] + ".pid"
-    status, buf = host.execute([setup_params['wpa_supplicant'], "-B", "-ddt", "-g", "udp:" + host.port, "-P", pidfile, log])
+
+    if 'remote_cli' in setup_params:
+        remote_cli = setup_params['remote_cli']
+
+    if remote_cli:
+        ctrl_global_path = '/var/run/wpas-global' + "-" + host.ifname
+        host.global_iface = ctrl_global_path
+        host.remote_cli = True
+
+    if not remote_cli:
+        ctrl_global_path = "udp:" + host.port
+        host.global_iface = "udp"
+        host.remote_cli = False
+
+    status, buf = host.execute([setup_params['wpa_supplicant'], "-B", "-ddt",
+                                "-g", ctrl_global_path, "-P", pidfile, log])
     if status != 0:
         raise Exception("Could not run wpa_supplicant: " + buf)
 

tests/remote/test_example.py

@@ -58,8 +58,9 @@ def test_example(devices, setup_params, refs, duts, monitors):
         # connect to hostapd/wpa_supplicant UDP CTRL iface
         hapd = hostapd.add_ap(ap.dev, ap_params)
         freq = hapd.get_status_field("freq")
-        wpas = WpaSupplicant(hostname=sta.host, global_iface="udp",
+
-                             global_port=sta.port)
+        wpas = WpaSupplicant(hostname=sta.host, global_iface=sta.global_iface,
+                             global_port=sta.port, remote_cli=sta.remote_cli)
         wpas.interface_add(sta.ifname)
 
         # setup standalone monitor based on hapd; could be multi interface