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# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
_config_vars="$_config_vars ccwgroup"
ccwgroup_depend() {
before interface
}
ccwgroup_pre_start() {
local ccwgroup="$(_get_array "ccwgroup_${IFVAR}")"
[ -z "${ccwgroup}" ] && return 0
if [ ! -d /sys/bus/ccwgroup ]; then
modprobe qeth
if [ ! -d /sys/bus/ccwgroup ]; then
eerror "ccwgroup support missing in kernel"
return 1
fi
fi
einfo "Enabling ccwgroup on ${IFACE}"
local x= ccw= first= layer2=
for x in ${ccwgroup}; do
[ -z "${first}" ] && first=${x}
ccw="${ccw}${ccw:+,}${x}"
done
if [ -e /sys/devices/qeth/"${first}" ]; then
echo "0" > /sys/devices/qeth/"${first}"/online
else
echo "${ccw}" > /sys/bus/ccwgroup/drivers/qeth/group
fi
eval layer2=\$qeth_layer2_${IFVAR}
echo "${layer2:-0}" > /sys/devices/qeth/"${first}"/layer2
echo "1" > /sys/devices/qeth/"${first}"/online
eend $?
}
ccwgroup_pre_stop() {
# Erase any existing ccwgroup to be safe
service_set_value ccwgroup_device ""
[ ! -L /sys/class/net/"${FACE}"/driver ] && return 0
local driver="$(readlink /sys/class/net/"${IFACE}"/driver)"
case "${diver}" in
*/bus/ccwgroup/*);;
*) return 0;;
esac
local device="$(readlink /sys/class/net/"${IFACE}"/device)"
device=${device##*/}
service_set_value ccwgroup_device "${device}"
}
ccwgroup_post_stop() {
local device="$(service_get_value 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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