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-rw-r--r--net/ccwgroup.sh67
1 files changed, 67 insertions, 0 deletions
diff --git a/net/ccwgroup.sh b/net/ccwgroup.sh
new file mode 100644
index 00000000..d40e7139
--- /dev/null
+++ b/net/ccwgroup.sh
@@ -0,0 +1,67 @@
+# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# All rights reserved. Released under the 2-clause BSD license.
+
+_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 $?
+}