X-Git-Url: http://git.ipfire.org/?p=people%2Farne_f%2Fnetwork.git;a=blobdiff_plain;f=functions.device;h=8f28871359c14ff6d13040792c4ee388c9221cd0;hp=025e178a15c65f41566feeb9af70f4da86281ef2;hb=1e4c26a48a3bcac756425fbfe27a5be01e442192;hpb=8eadf1dad754f95e356870931bc25e533651159a

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 $@