Add DRIVER_EVENT ctrl_iface command for testing purposes

This new command can be used to simulate driver events without having to
go through the driver wrapper or kernel code for this. This enables more
testing coverage with hwsim.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

wpa_supplicant/ctrl_iface.c

@@ -6085,6 +6085,39 @@ static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
 	offchannel_send_action_done(wpa_s);
 }
 
+
+static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
+{
+	char *pos, *param;
+	union wpa_event_data event;
+	enum wpa_event_type ev;
+
+	/* <event name> [parameters..] */
+
+	wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
+
+	pos = cmd;
+	param = os_strchr(pos, ' ');
+	if (param)
+		*param++ = '\0';
+
+	os_memset(&event, 0, sizeof(event));
+
+	if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
+		ev = EVENT_INTERFACE_ENABLED;
+	} else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
+		ev = EVENT_INTERFACE_DISABLED;
+	} else {
+		wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
+			cmd);
+		return -1;
+	}
+
+	wpa_supplicant_event(wpa_s, ev, &event);
+
+	return 0;
+}
+
 #endif /* CONFIG_TESTING_OPTIONS */
 
 
@@ -6649,6 +6682,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
 			reply_len = -1;
 	} else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
 		wpas_ctrl_iface_mgmt_tx_done(wpa_s);
+	} else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
+		if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
+			reply_len = -1;
 #endif /* CONFIG_TESTING_OPTIONS */
 	} else {
 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);