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-rw-r--r--net.Linux/ccwgroup.sh66
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 :