Add the "wpa_supplicant_radios=<radio_name_list>" option in hw.conf's
SETUP section that only reserves radios for the autotest to be able to
start wpa_supplicant on them, i.e. prevents iwd or hostapd from being
started on them.
---
 tools/test-runner | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/tools/test-runner b/tools/test-runner
index 6443af15..f2b75bc0 100755
--- a/tools/test-runner
+++ b/tools/test-runner
@@ -270,10 +270,8 @@ class Radio:
 
 		intf_id += 1
 
-		self.interface = Interface(ifname, hapd.config)
-		# IWD does not use interfaces in test-runner so any created
-		# interface is assumed to be used by hostapd.
-		self.use = 'hostapd'
+		self.interface = Interface(ifname, hapd.config if hapd else None)
+		self.use = 'hostapd' if hapd else 'other'
 
 		Process(['iw', 'phy', self.name, 'interface', 'add', ifname,
 				'type', 'managed'], True)
@@ -466,6 +464,7 @@ class TestContext:
 		self.args = args
 		self.hw_config = None
 		self.hostapd = None
+		self.wpas_interfaces = None
 		self.cur_radio_id = 0
 		self.cur_iface_id = 0
 		self.radios = []
@@ -609,6 +608,15 @@ class TestContext:
 
 		self.hostapd = Hostapd(self, hapd_radios, hapd_configs, radius_config)
 
+	def start_wpas_interfaces(self):
+		if 'wpa_supplicant_radios' not in self.hw_config['SETUP']:
+			return
+
+		setting = self.hw_config['SETUP']['wpa_supplicant_radios']
+		wpas_radio_names = [name.strip() for name in setting.split(',')]
+		wpas_radios = [rad for rad in self.radios if rad.name in wpas_radio_names]
+		self.wpas_interfaces = [rad.create_interface(None) for rad in wpas_radios]
+
 	def start_ofono(self):
 		sim_keys = self.hw_config['SETUP'].get('sim_keys', None)
 		if not sim_keys:
@@ -676,6 +684,7 @@ class TestContext:
 	def stop_test_processes(self):
 		self.radios = []
 		self.hostapd = None
+		self.wpas_interfaces = None
 		self.iwd_extra_options = None
 
 		for p in [p for p in self.processes if p.multi_test is False]:
@@ -870,6 +879,7 @@ def pre_test(ctx, test):
 	ctx.start_dbus_monitor()
 	ctx.start_radios()
 	ctx.start_hostapd()
+	ctx.start_wpas_interfaces()
 	ctx.start_ofono()
 
 	if ctx.hw_config.has_option('SETUP', 'start_iwd'):
-- 
2.25.1