From 8332312ba1ac1d736b7ef60573060c12203d54c9 Mon Sep 17 00:00:00 2001
From: Chris Buechler <cmb@pfsense.org>
Date: Tue, 1 Mar 2016 19:18:50 -0600
Subject: Add function to return the physical interface(s) for a given parent.
 related to Ticket #5081

---
 src/etc/inc/interfaces.inc | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/etc')

diff --git a/src/etc/inc/interfaces.inc b/src/etc/inc/interfaces.inc
index d8535de..2929ca3 100644
--- a/src/etc/inc/interfaces.inc
+++ b/src/etc/inc/interfaces.inc
@@ -4679,6 +4679,27 @@ function get_parent_interface($interface, $avoidrecurse = false) {
 	return $parents;
 }
 
+/*
+ *  get_parent_physical_interface($interface):
+ *   - returns an array of parent interface(s) for a given interface friendly name (e.g. wan)
+ *  differs from get_parent_interface in that it traverses to find the physical NICs on lagg
+ */
+function get_parent_physical_interface($interface) {
+	global $config;
+
+	$realif = get_parent_interface($interface);
+
+	if (substr($realif[0], 0, 4) == "lagg") {
+		foreach ($config['laggs']['lagg'] as $lagg) {
+			if ($realif[0] == $lagg['laggif']) {
+				return explode(",", $lagg['members']);
+			}
+		}
+	} else {
+		return $realif;
+	}
+}
+
 function interface_is_wireless_clone($wlif) {
 	if (!stristr($wlif, "_wlan")) {
 		return false;
-- 
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