From 1e4c26a48a3bcac756425fbfe27a5be01e442192 Mon Sep 17 00:00:00 2001
From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 18 Jun 2010 00:57:01 +0200
Subject: [PATCH] network: New function device_is_promisc.

---
 functions.device | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/functions.device b/functions.device
index 025e178a..8f288713 100644
--- a/functions.device
+++ b/functions.device
@@ -246,6 +246,12 @@ function device_has_carrier() {
 	[ "$(<${SYS_CLASS_NET}/${device}/carrier)" = "1" ]
 }
 
+function device_is_promisc() {
+	local device=${1}
+
+	ip link show ${device} | grep -qE "<.*PROMISC.*>"
+}
+
 # Check if the device is free
 function device_is_free() {
 	! device_is_used $@
-- 
2.47.2