#!/bin/bash

[ -z "$DEVPATH" ] && exit 0
[ "$SUBSYSTEM" != "ccw" ] && exit 0

NOLOCALE="yes"

. /etc/sysconfig/network-scripts/network-functions

# First, determine our channel

CHANNEL=${DEVPATH##*/}

CONFIG=$(get_config_by_subchannel $CHANNEL)

if [ -n "$CONFIG" ]; then
	cd /etc/sysconfig/network-scripts
	source_config 
fi

# put LAYER2 option into its own variable
set $OPTIONS
OPTIONS=""
while [ $# -gt 0 ]; do
    case $1 in
        layer2=*) LAYER2=${1##layer2=};;
        *=*) OPTIONS="$OPTIONS $1";;
    esac
    shift
done

# SUBCHANNELS is only set on mainframe ccwgroup devices
[ -z "$SUBCHANNELS" -o -z "$NETTYPE" ] && exit 0
DIR="/sys/bus/ccwgroup/drivers/$NETTYPE"

i=0
while [ $i -lt 20 ]; do
    [ -e $DIR ] && break
    sleep 0.1
    i=$(($i+1))
done

# driver missing or not loaded
[ ! -e $DIR ] && exit 0

SYSDIR="$DIR/${SUBCHANNELS//,*/}"
[ -e $SYSDIR ] && exit 0
echo "$SUBCHANNELS" > $DIR/group

i=0
while [ $i -lt 20 ]; do
    [ -e $SYSDIR ] && break
    sleep 0.1
    i=$(($i+1))
done

# first set layer2, other options may depend on it
[ -n "$LAYER2" ] && echo $LAYER2 > $SYSDIR/layer2

if [ -n "$PORTNAME" ]; then
	if [ "$NETTYPE" = "lcs" ]; then
		[ -e $SYSDIR/portno ] && echo "$PORTNAME" > $SYSDIR/portno
	else
		[ -e $SYSDIR/portname ] && echo "$PORTNAME" > $SYSDIR/portname
	fi
fi
if [ "$NETTYPE" = "ctc" -a -n "$CTCPROT" ]; then
	echo "$CTCPROT" > $SYSDIR/protocol
fi
if [ -n "$OPTIONS" ]; then
         
	for i in $OPTIONS; do
		echo "${i//*=/}" > "$SYSDIR/${i//=*/}"
	done
fi
[ -e $SYSDIR/online ] && echo 1 > $SYSDIR/online