#!/bin/sh
#----------------------------------------------------------------------------
# /etc/init.d/bonding - create bonding devices
#
# Creation: 20.10.2004 babel
# Eisfair version 22.05.2005 jv
# Last Update: $Id$
#
# Copyright (c) 2005 Fli4l/Eisfair Team
# Copyright (c) 2014-2014 Holger Bruenjes, holgerbruenjes(at)gmx(dot)net
#
# 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.
#----------------------------------------------------------------------------
. /etc/config.d/base
. /etc/config.d/bonding
# read functions
. /etc/init.d/functions
# ---------------------------------------------------------------------------
# usage
# ---------------------------------------------------------------------------
usage ()
{
cat <<EOF
Usage:
${0}
-q, --quiet suppress all normal output
[start]
[stop]
[status]
[restart]
[forcestart]
EOF
}
# ---------------------------------------------------------------------------
# check status of bonding
# ---------------------------------------------------------------------------
check_bonding_status()
{
lsmod | grep -q 'bonding'
return ${?}
}
# ---------------------------------------------------------------------------
# activate bonding
# ---------------------------------------------------------------------------
bonding_start()
{
if check_bonding_status
then
boot_mesg " * Bonding is already running ..." ${WARNING}
echo_warning
exit 0
fi
if "${start_force:-false}"
then
START_BONDING='yes'
fi
if [ "${START_BONDING}" = "yes" ]
then
boot_mesg " * Starting Bonding ..."
# write pid file
echo "$BONDING_N" > /run/bonding.pid
# read config
bond_idx=1
while [ ${bond_idx} -le $BONDING_N ]
do
eval bond_mode='$BONDING_'${bond_idx}'_MODE'
eval bond_ipaddr='$BONDING_'${bond_idx}'_IPADDR'
eval bond_netmask='$BONDING_'${bond_idx}'_NETMASK'
eval bond_gateway='$BONDING_'${bond_idx}'_GATEWAY'
eval bond_mac='$BONDING_'${bond_idx}'_MAC'
eval bond_devn='$BONDING_'${bond_idx}'_DEV_N'
eval bond_arp_targets='$BONDING_'${bond_idx}'_ARP_IP_TARGET_N'
eval bond_downdelay='$BONDING_'${bond_idx}'_DOWNDELAY'
eval bond_miimon='$BONDING_'${bond_idx}'_MIIMON'
eval bond_primary='$BONDING_'${bond_idx}'_PRIMARY'
eval bond_updelay='$BONDING_'${bond_idx}'_UPDELAY'
eval bond_use_carrier='$BONDING_'${bond_idx}'_USE_CARRIER'
# create device name
ndev=`/usr/bin/expr ${bond_idx} - 1`
eval bond_dev_name='bond'$ndev
# set default if empty
: ${bond_ipaddr:=''}
: ${bond_netmask:=''}
: ${bond_gateway:=''}
: ${bond_mac:=''}
: ${bond_arp_targets:=0}
: ${bond_downdelay:=0}
: ${bond_updelay:=0}
: ${bond_use_carrier:=yes}
: ${bond_miimon:=100}
bond_modparam="mode=$bond_mode"
if [ $bond_downdelay -ne 0 ]
then
bond_downdelay=`/usr/bin/expr $bond_downdelay \* $bond_miimon`
bond_modparam="$bond_modparam downdelay=$bond_downdelay"
fi
if [ $bond_updelay -ne 0 ]
then
bond_updelay=`/usr/bin/expr $bond_updelay \* $bond_miimon`
bond_modparam="$bond_modparam updelay=$bond_updelay"
fi
[ $bond_use_carrier = no ] && bond_modparam="$bond_modparam use_carrier=0"
[ $bond_primary ] && bond_modparam="$bond_modparam primary=$bond_primary"
if [ $bond_mode = balance-rr -o $bond_mode = 0 -o $bond_mode = balance-xor -o $bond_mode = 2 ]
then
if [ $bond_arp_targets -gt 0 ]
then
eval bond_arp_interval='$BONDING_'${bond_idx}'_ARP_INTERVAL'
: ${bond_arp_interval:=200}
bond_tmp_ip_targets=''
bond_ddx=1
while [ $bond_ddx -le $bond_arp_targets ]
do
[ $bond_ddx -gt 1 ] && bond_tmp_ip_targets="$bond_tmp_ip_targets,"
eval bond_tmp_ip_target=$\{BONDING_${bond_idx}_ARP_IP_TARGET_${bond_ddx}\}
bond_tmp_ip_targets="${bond_tmp_ip_targets}${bond_tmp_ip_target}"
bond_ddx=`/usr/bin/expr $bond_ddx + 1`
done
bond_modparam="$bond_modparam arp_interval=$bond_arp_interval arp_ip_target=$bond_tmp_ip_targets"
else
bond_modparam="$bond_modparam miimon=$bond_miimon"
fi
else
bond_modparam="$bond_modparam miimon=$bond_miimon"
fi
if [ $bond_mode = active-backup -o $bond_mode = 1 ]
then
[ ${bond_primary} ] && bond_modparam="${bond_modparam} primary=${bond_primary}"
fi
if [ $bond_mode = 802.3ad -o $bond_mode = 4 ]
then
eval bond_lacp_rate='$BONDING_'${bond_idx}'_LACP_RATE'
: ${bond_lacp_rate:=slow}
if [ $bond_lacp_rate = fast -o $bond_lacp_rate = 1 ]
then
bond_modparam="${bond_modparam} lacp_rate=fast"
fi
fi
# load kernelmodul
modprobe bonding $bond_modparam
#insmod bonding -o ${bond_dev_name} ${bond_modparam} >/dev/null
# set interface parameter
if [ -n "$bond_mac" ]
then
ifconfig ${bond_dev_name} hw ether ${bond_mac}
fi
# set ip parameter if missing
if [ -z "$bond_ipaddr" ]
then
bond_ipaddr="$IP_ETH_1_IPADDR"
fi
if [ -z "$bond_netmask" ]
then
bond_netmask="$IP_ETH_1_NETMASK"
fi
if [ -z "$bond_gateway" ]
then
bond_gateway="$IP_DEFAULT_GATEWAY"
fi
bond_brc=$(/usr/local/bin/netcalc broadcast ${bond_ipaddr} ${bond_netmask})
#activat bond interface
ifconfig ${bond_dev_name} ${bond_ipaddr} netmask ${bond_netmask} broadcast ${bond_brc} up
eval bond_devn='$BONDING_'${bond_idx}'_DEV_N'
bond_ddx=1
while [ ${bond_ddx} -le ${bond_devn} ]
do
# putting down the network interface
eval ifconfig $\{BONDING_${bond_idx}_DEV_${bond_ddx}\} down
# set interface to bonding
eval ifenslave $bond_dev_name $\{BONDING_${bond_idx}_DEV_${bond_ddx}\}
bond_ddx=$(/usr/bin/expr ${bond_ddx} + 1)
done
# add new default gateway
route add default gw ${bond_gateway}
bond_idx=$(/usr/bin/expr ${bond_idx} + 1)
done
# for output
# check_bonding_status
cat /proc/net/bonding/bond0 >/dev/null 2>&1
evaluate_retval
fi
}
# ---------------------------------------------------------------------------
# remove bonding
# ---------------------------------------------------------------------------
bonding_stop()
{
if check_bonding_status
then
boot_mesg " * Stopping Bonding ... "
# get count of bond interfaces
if [ -f /run/bonding.pid ]
then
n_idx=`cat /run/bonding.pid`
else
n_idx=0
fi
bond_idx=1
while [ ${bond_idx} -le $n_idx ]
do
# create device name
ndev=`expr ${bond_idx} - 1`
eval bond_dev_name='bond'$ndev
# stop bond device
ifconfig $bond_dev_name down
bond_idx=$(/usr/bin/expr ${bond_idx} + 1)
done
# remove kernelmodul
rmmod bonding
evaluate_retval
/etc/init.d/ip-eth start
/etc/init.d/route start
else
if [ "$(tty)" != "/dev/console" ]
then
boot_mesg "Bonding is not runing ... " ${INFO}
${ECHO} -e "${NORMAL}"
fi
fi
rm -f /run/bonding.pid
}
# ---------------------------------------------------------------------------
# restart
# ---------------------------------------------------------------------------
bonding_restart ()
{
bonding_stop
sleep 2
bonding_start
}
# ---------------------------------------------------------------------------
# status
# ---------------------------------------------------------------------------
bonding_status ()
{
if check_bonding_status
then
boot_mesg "Bonding is running ..." ${INFO}
${ECHO} -e -n "${NORMAL}"
echo "-----------------------------------------------------------------------------"
ifconfig bond0
echo "-----------------------------------------------------------------------------"
else
boot_mesg "Bonding is not running ..." ${INFO}
${ECHO} -e -n "${NORMAL}"
fi
}
# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------
while [ "${#}" -gt 0 ]
do
case "${1}" in
--quiet)
_quiet=true
shift
;;
*)
_action="${1}"
shift
;;
esac
done
case "${_action}" in
start)
bonding_start
;;
stop)
bonding_stop
;;
restart)
bonding_restart
;;
status)
bonding_status
;;
forcestart)
start_force=true
bonding_start
;;
*)
usage
exit 1
;;
esac
exit 0
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------