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[projects/rc-scripts.git] / lib / ifup-br

#!/bin/sh
#
#    ifup-br - bridge configuration script
#    Copyright (C) 2000 Arkadiusz Miśkiewicz <misiek@pld-linux.org>
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#
PATH=/sbin:/usr/sbin:/bin:/usr/bin

. /etc/sysconfig/network
. /etc/rc.d/init.d/functions
. /lib/rc-scripts/functions.network

CONFIG=$1
source_config

if [ "foo$2" = "fooboot" ] && is_no "${ONBOOT}"; then
	exit
fi

if [ ! -x /sbin/brctl ]; then
	nls "%s is missing. Can't continue." "/sbin/brctl"
	exit 1
fi

# load bridge module
is_module "bridge" && modprobe -s bridge

# set all major variables
setup_ip_param

# forget all addresses
for device in $BRIDGE_DEVS; do
	LC_ALL=C ip addr flush dev ${device} 2>&1 | grep -v "Nothing to flush"
done

# set wireless parameters
for device in $BRIDGE_DEVS; do
	if is_wireless_device "${device}"; then
		wireless_param "${device}" "br"
	fi
done

brctl addbr ${DEVICE}

# add interfaces to bridge
for device in $BRIDGE_DEVS; do
	brctl addif ${DEVICE} ${device}
	ip link set dev ${device} multicast ${MULTICAST} ${ARP}
	ip link set ${device} up
done


# standard
[ -n "$AGEING" ] && brctl setageing "$AGEING"
[ -n "$GCINT" ] && brctl setgcint "$GCINT"
[ -n "$FD" ] && brctl setfd ${DEVICE} "$FD"

# spanning tree protocol
if is_yes "$SPANNING_TREE"; then
	brctl stp ${DEVICE} yes
	[ -n "$BRIDGEPRIO" ] && brctl setbridgeprio ${DEVICE} "$BRIDGEPRIO"
	[ -n "$HELLO" ] && brctl sethello ${DEVICE} "$HELLO"
	[ -n "$MAXAGE" ] && brctl setmaxage ${DEVICE} "$MAXAGE"
	[ -n "$PATHCOST" -a -n "$PATHCOST_PORT" ] && brctl setpathcost ${DEVICE} "$PATHCOST_PORT" "$PATHCOST"
	[ -n "$PORTPRIO" -a -n "$PORTPRIO_PORT" ] && brctl setportprio ${DEVICE} "$PORTPRIO_PORT" "$PORTPRIO"
else
	brctl stp ${DEVICE} no
fi

ip link set dev ${DEVICE} multicast ${MULTICAST} ${ARP}
if ! (ip link set dev ${DEVICE} up); then
	nls "problems with setting bridge %s" "${DEVICE}"
	exit 1
fi