[parseopt] Add parse_netdev_configurator()

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/core/parseopt.c

@@ -139,6 +139,29 @@ int parse_netdev ( char *text, struct net_device **netdev ) {
 	return 0;
 }
 
+/**
+ * Parse network device configurator name
+ *
+ * @v text		Text
+ * @ret configurator	Network device configurator
+ * @ret rc		Return status code
+ */
+int parse_netdev_configurator ( char *text,
+				struct net_device_configurator **configurator ){
+
+	/* Sanity check */
+	assert ( text != NULL );
+
+	/* Find network device configurator */
+	*configurator = find_netdev_configurator ( text );
+	if ( ! *configurator ) {
+		printf ( "\"%s\": no such configurator\n", text );
+		return -ENOTSUP;
+	}
+
+	return 0;
+}
+
 /**
  * Parse menu name
  *

src/include/ipxe/parseopt.h

@@ -14,6 +14,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #include <ipxe/settings.h>
 
 struct net_device;
+struct net_device_configurator;
 struct menu;
 struct parameters;
 
@@ -128,6 +129,9 @@ extern int parse_string ( char *text, char **value );
 extern int parse_integer ( char *text, unsigned int *value );
 extern int parse_timeout ( char *text, unsigned long *value );
 extern int parse_netdev ( char *text, struct net_device **netdev );
+extern int
+parse_netdev_configurator ( char *text,
+			    struct net_device_configurator **configurator );
 extern int parse_menu ( char *text, struct menu **menu );
 extern int parse_flag ( char *text __unused, int *flag );
 extern int parse_key ( char *text, unsigned int *key );