diff options
Diffstat (limited to 'net.Linux/ccwgroup.sh')
| -rw-r--r-- | net.Linux/ccwgroup.sh | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/net.Linux/ccwgroup.sh b/net.Linux/ccwgroup.sh new file mode 100644 index 00000000..1cba04cb --- /dev/null +++ b/net.Linux/ccwgroup.sh @@ -0,0 +1,66 @@ +# Copyright 2006-2007 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# Contributed by Roy Marples (uberlord@gentoo.org) + +_config_vars="$_config_vars ccwgroup" + +ccwgroup_depend() { + before interface +} + +ccwgroup_pre_start() { + eval $(_get_array "ccwgroup_${IFVAR}") + [ $# = "0" ] && 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 ${IFACE}" + local x= ccw= first= layer2= + for x in "$@" ; 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 $? +} + +ccwgroup_pre_stop() { + # Erase any existing ccwgroup to be safe + save_options ccwgroup_device "" + + [ ! -L /sys/class/net/"${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##*/} + save_options ccwgroup_device "${device}" +} + +ccwgroup_post_stop() { + local device="$(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 : |