X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=modules%2Fluci-base%2Fhtdocs%2Fluci-static%2Fresources%2Fnetwork.js;h=c79022968ccc99132ab83285e40716f1f8b63dd4;hb=fc94ff1881dc50539fc03a734ada264590121883;hp=796b613beeb2cb20ffa237bee0faa907925ff2b2;hpb=2c036b36ce76c3c7430bf936e131f0d9d4ab83c4;p=project%2Fluci.git

diff --git a/modules/luci-base/htdocs/luci-static/resources/network.js b/modules/luci-base/htdocs/luci-static/resources/network.js
index 796b613bee..c79022968c 100644
--- a/modules/luci-base/htdocs/luci-static/resources/network.js
+++ b/modules/luci-base/htdocs/luci-static/resources/network.js
@@ -2302,6 +2302,23 @@ Protocol = L.Class.extend(/** @lends LuCI.Network.Protocol.prototype */ {
 		return null;
 	},
 
+	/**
+	 * Check function for the protocol handler if a new interface is createable.
+	 *
+	 * This function should be overwritten by protocol specific subclasses.
+	 *
+	 * @abstract
+	 *
+	 * @param {string} ifname
+	 * The name of the interface to be created.
+	 *
+	 * @returns {Promise<null|error message>}
+	 * Returns `null` if new interface is createable, else returns (error) message.
+	 */
+	isCreateable: function(ifname) {
+		return Promise.resolve(null);
+	},
+
 	/**
 	 * Checks whether the protocol functionality is installed.
 	 *