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#help#  
#help#  Selecting this menu item will configure the
#help#  Ungermann-Bass PC NIC board into the system
#menu#  Ungermann-Bass PC NIC
#
#ident	"@(#)ub	2.8	90/01/31"
#  The following is an installation script for use with System V, Release 3
#  using either linkable or installable device drivers.
#  
#  This script does the following:
#    -- Finds the current major numbers and driver configuration parameters.
#    -- Asks the user if the major numbers need changing.
#    -- If yes, it prompts for new major numbers and modifies the driver
#       config files as appropriate.
#    -- Asks the user if the driver configuration parameters needs changing.
#    -- If the system requires any driver config parameters to be changed, it
#       modifies the space.c and config file.
#    -- Checks for conflicts on the interrupt vector set in the previous
#       steps; if one is found then a bunch of instructions on how to
#       proceed are written to the screen.
#    -- Adds the driver(s) to the kernel configuration files.
#    -- If necessary, changes netd.cf for the driver.
#    -- Removes any existing special files and create the special files
#       (devices) required by HBTCP.
#    -- Calls kconfig to build a kernel if the user wants to.

changed=no
CONFDIR=/etc/conf
SDEVICEDIR=${CONFDIR}/sdevice.d
SDEVICE=${CONFDIR}/cf.d/sdevice
T1=/tmp/il1.$$
DNAME=ub
TEMPF=/tmp/$DNAME.$$
TEMPSDEV=/tmp/sdev.$DNAME.$$
LOCNAME=`uname -n`
NAME=PC-NIC
export T1 CONFDIR NAME DNAME LOCNAME TEMPF

#   Set trap after variables defined
trap "rm -f ${T1:-/tmp/il?.*} ${TEMPF}; exit 3" 2 3 15
flags="-qq -k$$"

#  Stop right now if for some reason the file is not there.
if [ ! -f ${SDEVICEDIR}/$DNAME ]
then
	echo "Cannot find configuration file ${SDEVICEDIR}/$DNAME, aborting."
	exit 1
fi
cp ${SDEVICEDIR}/$DNAME ${TEMPSDEV}

#  	Get the configuration current values 
set `awk '/'$DNAME'/ {print $6, $7, $8, $9, $10 }' ${TEMPSDEV}`
irqvec=$1; stioa=$2; endioa=$3; shbase=$4; endshbase=$5


cat <<EOF


                          INTERACTIVE UNIX
                Host Based TCP/IP Software Installation
                   UNIX System V Release 3 Version

EOF

#
#  Offer the user a chance to change the interrupt vector line
#

cat <<EOF


                     $NAME Hardware Configuration

The $DNAME driver is currently configured with the following $NAME hardware
settings:

	Interrupt Request Line (IRQ)     $irqvec
	Shared Memory Start Address      0x$shbase
	Shared Memory End Address        0x$endshbase

EOF

echo "Do you want to use the current IRQ value [ Yes ]? \c"
read ans
case "${ans:-Yes}" in
     [nN]*)
	  oirq=$irqvec; changed=yes; echo " "
	  while true
	       do echo "Please enter the IRQ value for the board [ $oirq ]: \c"
	       read irqvecx; irqvec=${irqvecx:-$oirq}
	       case "$irqvec" in
		    [3-7]) break ;;
		    *)
			 echo "\nOnly 3 through 7 are valid \c"
			 echo "interrupt levels for the $NAME board." ;;
	       esac
	  done
	  awk '/'$DNAME'/ { OFS="\t";$6="'$irqvec'" ; print $0 }' ${TEMPSDEV} > ${TEMPF}
	  irqlev=$irqvec 
	  mv ${TEMPF} ${TEMPSDEV}
	  echo " "

	  ;;
esac

echo "Do you want to use the current Controller Shared Memory address range [ Yes ]? \c"
read ans
case "${ans:-Yes}" in
     [nN]*)
	  oio=$shbase; changed=yes;
	  while true
	       do echo "Please enter the Start Shared Memory address for the board [ $oio ]: \c"
	       read shbasex; shbase=${shbasex:-$oio}
	       case "$shbase" in
		    [0-9a-fA-F]*) break ;;
		    *) echo The Shared Memory Base address must be specified in hexadecimal ;;
	       esac
	  done
	  awk '/'$DNAME'/ { OFS="\t";$9="'$shbase'" ; print $0 }' ${TEMPSDEV} > $TEMPF
	  mv $TEMPF ${TEMPSDEV}
	  oio=$endshbase; changed=yes;

	  while true
	       do echo "Please enter the End Shared Memory address for the board [ $oio ]: \c"
	       read shbasex; endshbase=${shbasex:-$oio}
	       case "$endshbase" in
		    [0-9a-fA-F]*) break ;;
		    *) echo The End Shared Memory address must be specified in hexadecimal ;;
	       esac
	  done
	  awk '/'$DNAME'/ { OFS="\t";$10="'$endshbase'" ; print $0 }' ${TEMPSDEV} > $TEMPF
	  mv $TEMPF ${TEMPSDEV}
	  echo " "
	  ;;
esac


#
# check for conflicts in the interrupt vector
#
echo
echo "Checking for interrupt vector conflicts - please wait"
echo match=n > $T1

cat ${SDEVICEDIR}/* | awk '{  if ( $1 != "'$DNAME'" && $2 != "N" && $6 == "'$irqvec'" ) {
		printf "matchdev=%s\n",$1
		print "match=y"
	}
} ' >> $T1

chmod +x $T1
. $T1
/bin/rm $T1 


case "${match:-No}" in
	[yY]*)
		cat <<EOF

There is a conflict with the device $matchdev on interrupt level
$irqvec.  Please resolve this conflict by changing the interrupt
request line of either the conflicting device or the $NAME board.

If you are changing the interrupt vector and corresponding request line
for the conflicting device, you can continue with the installation and
make the modifications to the other device configuration after the TCP/IP
installation is complete.  If you are changing the interrupt vector and
request line for the $NAME board then you will need to do the following:

     1    Abort this installation.
     2    Change the IRQ jumper on the $NAME board to the desired IRQ
	  level to reflect the desired IRQ level.
     3    Restart this installation script by executing sysadm, giving
	  the correct value for the interrupt level when asked by the
	  script.

This conflict must be resolved before the new kernel can be executed.
Please refer to the INTERACTIVE UNIX TCP/IP software and $NAME hardware
installation manuals for more detailed instructions on changing the
interrupt vector.

Please interrupt this script (usually the DEL key) to abort the
installation or hit carriage return to continue.
EOF
		read junk ;;
esac

# 	Set the driver to be configured
awk '/'$DNAME'/ { OFS="\t"; $2="Y" ; print $0 }' ${TEMPSDEV} > ${TEMPF}
mv ${TEMPF} ${TEMPSDEV}

#
#  Set up the official sdev file
#
mv ${TEMPSDEV} ${SDEVICEDIR}/$DNAME
echo "\nNew ${SDEVICEDIR}/$DNAME file is:"
cat ${SDEVICEDIR}/$DNAME
echo ""


#
#  Add driver to kernel description file and kernel configuration file
#
if fgrep "$NAME Ethernet Driver" /etc/conf/kconfig.d/description >/dev/null 2>&1
then :
	echo $NAME Ethernet Driver already in description file.
else
	cat >> /etc/conf/kconfig.d/description <<!
ub      -    -     hbtcp    -             Ungermann-Bass PC NIC Ethernet Driver
llc     -    -     hbtcp    -             Link level protocol pseudo driver
!
fi


#
#  change /etc/netd.cf to use DNAME
#  set the hostname in /etc/netd.cf
#
cp /usr/admin/menu/packagemgmt/tcpipmgmt/hbtcpmgmt/_netd.cf /etc/netd.cf
chmod  755 /etc/netd.cf
ed - /etc/netd.cf > /dev/null <<-EOF
	g/DEV/s//$DNAME/g
	g/local_site_name/s//$LOCNAME/
	w
	q
	EOF

if checkyn ${flags} -f "Do you wish to build a new kernel at this time?"
then
	sh runlevel
	/etc/kconfig  -r /
fi
/bin/rm -f ${TEMPF} ${TEMPSDEV} $T1
exit 0
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