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|
#! /bin/sh
[ -z "$DEVPATH" ] && exit 0
[ "$SUBSYSTEM" != "ccw" ] && exit 0
[ -e /etc/ccw.conf ] && MODE="dracut" || MODE="normal"
get_config_line_by_subchannel()
{
local CHANNEL
CHANNEL="$1"
while read line; do
IFS=,
set $line
for i in $@; do
if [ "$CHANNEL" = "$i" ]; then
echo $line
return 0
fi
done
done < /etc/ccw.conf
return 1
}
CHANNEL=${DEVPATH##*/}
if [ $MODE = "dracut" ]; then
CONFIG_LINE=$(get_config_line_by_subchannel $CHANNEL)
[ $? -ne 0 -o -z "$CONFIG_LINE" ] && break
set $CONFIG_LINE
NETTYPE=$1
shift
SUBCHANNELS="$1"
OPTIONS=""
shift
while [ $# -gt 0 ]; do
case $1 in
*=*) OPTIONS="$OPTIONS $1";;
[0-9]*) SUBCHANNELS="$SUBCHANNELS,$1";;
esac
shift
done
elif [ $MODE = "normal" ]; then
NOLOCALE="yes"
. /etc/sysconfig/network-scripts/network-functions
CONFIG_FILE=$(get_config_by_subchannel $CHANNEL)
if [ -n "$CONFIG_FILE" ]; then
. $CONFIG_FILE
else
exit 1
fi
else
echo "Unknown mode=$MODE"
exit 1
fi
# now we have extracted these variables from the config files:
# SUBCHANNELS
# OPTIONS
# put LAYER2 option into its own variable
ORIG_OPTIONS=$OPTIONS
set $OPTIONS
OPTIONS=""
while [ $# -gt 0 ]; do
case $1 in
layer2=*) LAYER2=${1##layer2=};;
*=*) OPTIONS="$OPTIONS $1";;
esac
shift
done
# translate variables from the interface config files to OPTIONS
if [ -n "$PORTNAME" ]; then
if [ "$NETTYPE" = "lcs" ]; then
OPTIONS="$OPTIONS portno=$PORTNAME"
else
OPTIONS="$OPTIONS portname=$PORTNAME"
fi
fi
if [ "$NETTYPE" = "ctc" -a -n "$CTCPROT" ]; then
OPTIONS="$OPTIONS protocol=$CTCPROTO"
fi
# SUBCHANNELS is only set on mainframe ccwgroup devices
[ -z "$SUBCHANNELS" -o -z "$NETTYPE" ] && exit 0
if [ "$NETTYPE" = "ctc" ]; then
DIR="/sys/bus/ccwgroup/drivers/ctcm"
else
DIR="/sys/bus/ccwgroup/drivers/$NETTYPE"
fi
i=0
while [ $i -lt 20 ]; do
[ -e $DIR ] && break
sleep 0.1
i=$(($i+1))
done
# driver missing or not loaded
[ ! -e $DIR ] && exit 0
CHANNEL1=${SUBCHANNELS//,*/}
SYSDIR="$DIR/$CHANNEL1"
[ -e $SYSDIR ] && exit 0
# check if the interface is already online
if [ -e $SYSDIR/online ]; then
read on <$SYSDIR/online
[ "$on" = "1" ] && exit 0
fi
DRIVER=$(readlink $DEVPATH/driver)
DRIVER=${DRIVER##*/}
CHANNEL2=${SUBCHANNELS##*,}
if [ "$DRIVER" = "lcs" -a "$NETTYPE" = "ctc" ]; then
echo "$CHANNEL" > /sys/bus/ccw/drivers/lcs/unbind
echo "$CHANNEL" > /sys/bus/ccw/drivers/ctcm/bind
echo "$CHANNEL2" > /sys/bus/ccw/drivers/lcs/unbind
echo "$CHANNEL2" > /sys/bus/ccw/drivers/ctcm/bind
fi
if [ "$DRIVER" = "ctcm" -a "$NETTYPE" = "lcs" ]; then
echo "$CHANNEL" > /sys/bus/ccw/drivers/ctcm/unbind
echo "$CHANNEL" > /sys/bus/ccw/drivers/lcs/bind
echo "$CHANNEL2" > /sys/bus/ccw/drivers/ctcm/unbind
echo "$CHANNEL2" > /sys/bus/ccw/drivers/lcs/bind
fi
if [ ! -e $SYSDIR ]; then
echo "$SUBCHANNELS" > $DIR/group
i=0
while [ $i -lt 20 ]; do
[ -e $SYSDIR ] && break
sleep 0.1
i=$(($i+1))
done
[ ! -e $SYSDIR ] && exit 1
fi
# check if the interface is already online
if [ -e $SYSDIR/online ]; then
read on <$SYSDIR/online
[ "$on" = "1" ] && exit 0
fi
# first set layer2, other options may depend on it
[ -n "$LAYER2" ] && echo $LAYER2 > $SYSDIR/layer2
if [ -n "$OPTIONS" ]; then
for i in $OPTIONS; do
OPT=${i%%=*}
VAL=${i##*=}
if [ -e "$SYSDIR/$OPT" ]; then
echo "$VAL" > "$SYSDIR/$OPT" || \
echo "Could not set value \"$VAL\" for OPTION \"$OPT\" with SUBCHANNELS \"$SUBCHANNELS\""
else
echo "OPTION \"$OPT\" does not exist for SUBCHANNELS \"$SUBCHANNELS\""
fi
done
fi
[ -e $SYSDIR/online ] && echo 1 > $SYSDIR/online
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