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# Copyright (c) 2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Contributed by Roy Marples (uberlord@gentoo.org)
ccwgroup_depend() {
before interface
}
ccwgroup_expose() {
variables ccwgroup
}
ccwgroup_pre_start() {
local iface="$1" ifvar="$(bash_variable "$1")"
local ccw="ccwgroup_${ifvar}[@]"
local -a ccwgroup=( "${!ccw}" )
[[ -z ${!ccw} ]] && return 0
if [[ ! -d /sys/bus/ccwgroup ]] ; then
eerror "ccwgroup support missing in kernel"
return 1
fi
einfo "Enabling ccwgroup on ${iface}"
echo "${!ccw// /,}" > /sys/bus/ccwgroup/drivers/qeth/group
echo "1" > /sys/devices/qeth/"${ccwgroup[0]}"/online
eend $?
}
ccwgroup_pre_stop() {
local iface="$1"
# Erase any existing ccwgroup to be safe
save_options ccwgroup_device ""
[[ ! -L /sys/class/net/"${iface}"/driver ]] && return 0
local driver="$(readlink /sys/class/net/"${iface}"/driver)"
[[ ${driver} != *"/bus/ccwgroup/"* ]] && return 0
local device="$(readlink /sys/class/net/"${iface}"/device)"
device="${device##*/}"
save_options ccwgroup_device "${device}"
}
ccwgroup_post_stop() {
local iface="$1" device="$(get_options ccwgroup_device)"
[[ -z ${device} ]] && return 0
einfo "Disabling ccwgroup on ${iface}"
echo "0" > /sys/devices/qeth/"${device}"/online
echo "1" > /sys/devices/qeth/"${device}"/ungroup
eend $?
}
# vim: set ts=4 :
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