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#!/bin/sh
# If IFACE is an automagic vlan interface (without the vlan-raw-device
# parameter) then let's try to discover the magic here.. Another way would be
# to just probe for the right device name in /proc/net/vlan
case "$IFACE" in
# Ignore any alias (#272891)
*:*)
exit 0
;;
eth*.0*|bond*.0*|wlan*.0*)
# Silently ignore interfaces which ifupdown handles on its own
# If IF_BRIDGE_PORTS is set, probably we're called by bridge-utils
[ -z "$IF_VLAN_RAW_DEVICE" -a -z "$IF_BRIDGE_PORTS" ] && exit 0
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed "s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/"`
;;
eth*.*|bond*.*|wlan*.*)
# Silently ignore interfaces which ifupdown handles on its own
# If IF_BRIDGE_PORTS is set, probably we're called by bridge-utils
[ -z "$IF_VLAN_RAW_DEVICE" -a -z "$IF_BRIDGE_PORTS" ] && exit 0
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed "s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/"`
;;
# Test for vlan raw device (#196890, #292648)
*)
[ -z "$IF_VLAN_RAW_DEVICE" ] && exit 0
;;
esac
if [ ! -x /sbin/vconfig ]; then
exit 0
fi
vconfig rem $IFACE
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