From ccf238f852fd0463e68d33b91f0dd55000c325e3 Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Wed, 26 Mar 2008 14:18:01 +0000
Subject: Merge net.OS into net

---
 net/ccwgroup.sh | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 net/ccwgroup.sh

(limited to 'net/ccwgroup.sh')

diff --git a/net/ccwgroup.sh b/net/ccwgroup.sh
new file mode 100644
index 0000000..d40e713
--- /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 $?
+}
-- 
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