#!/bin/sh

#
# If transparent VF is enabled, don't do anything.
#

sysctl -n hw.hn.vf_transparent > /dev/null 2>&1
if [ $? -ne 0 ]
then
	# Old kernel; no transparent VF.
	vf_transparent=0
else
	vf_transparent=`sysctl -n hw.hn.vf_transparent`
fi

if [ $vf_transparent -ne 0 ]
then
	exit 0
fi

#
# Check to see whether $1 is a VF or not.
# If $1 is a VF, bring it up now.
#

sysctl -n hw.hn.vflist > /dev/null 2>&1
if [ $? -ne 0 ]
then
	# Old kernel; nothing could be done properly.
	exit 0
fi

iface=$1
vf_list=`sysctl -n hw.hn.vflist`

for vf in $vf_list
do
	if [ $vf = $iface ]
	then
		#
		# Linger a little bit mainly to make sure
		# that $iface is fully attached.
		#
		sleep 2

		ifconfig $iface up
		break
	fi
done