#!/bin/sh
#--------------------------------------------------------------------
# /etc/rc.d/rc200.bonding - create bonding devices
#
# Creation:     21.04.2006 babel
# Last Update:  $Id$
#------------------------------------------------------------------------------

if [ "$OPT_BONDING_DEV" = "yes" ]
then

begin_script BONDING "creating bonding devices..."

do_modprobe bonding

[ "$BONDING_DEV_N" -eq 0 ] || for bond_idx in `seq 1 $BONDING_DEV_N`
do
  eval bond_arp_targets='$BONDING_DEV_'$bond_idx'_ARP_IP_TARGET_N'
  eval bond_dev_name='$BONDING_DEV_'$bond_idx'_DEVNAME'
  eval bond_devn='$BONDING_DEV_'$bond_idx'_DEV_N'
  eval bond_downdelay='$BONDING_DEV_'$bond_idx'_DOWNDELAY'
  eval bond_mac='$BONDING_DEV_'$bond_idx'_MAC'
  eval bond_miimon='$BONDING_DEV_'$bond_idx'_MIIMON'
  eval bond_mode='$BONDING_DEV_'$bond_idx'_MODE'
  eval bond_primary='$BONDING_DEV_'$bond_idx'_PRIMARY'
  eval bond_updelay='$BONDING_DEV_'$bond_idx'_UPDELAY'
  eval bond_use_carrier='$BONDING_DEV_'$bond_idx'_USE_CARRIER'

  : ${bond_arp_targets:=0}
  : ${bond_downdelay:=0}
  : ${bond_updelay:=0}
  : ${bond_use_carrier:=yes}
  : ${bond_miimon:=100}

  case "$bond_dev_name" in
    bond0) ;;
    *) echo "+$bond_dev_name" > /sys/class/net/bonding_masters;;
  esac

  cd /sys/class/net/$bond_dev_name/bonding
  echo "$bond_mode" > mode

  if [ $bond_downdelay -ne 0 ]
  then
    bond_downdelay=`expr $bond_downdelay \* $bond_miimon`
    echo "$bond_downdelay" > downdelay
  fi 
  if [ $bond_updelay -ne 0 ]
  then
    bond_updelay=`expr $bond_updelay \* $bond_miimon`
    echo "$bond_updelay" > updelay
  fi
  [ $bond_use_carrier = no ] && echo 0 > use_carrier
  [ $bond_primary ] && echo "$bond_primary" > 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_DEV_'$bond_idx'_ARP_INTERVAL'
      : ${bond_arp_interval:=200}
      echo "$bond_arp_interval" > arp_interval
      for bond_ddx in `seq 1 $bond_arp_targets`
      do
        eval bond_tmp_ip_target=$\{BONDING_DEV_${bond_idx}_ARP_IP_TARGET_${bond_ddx}\}
        eval "+$bond_tmp_ip_target" > arp_ip_target
      done
    else
      echo "$bond_miimon" > miimon
    fi
  else
    echo "$bond_miimon" > miimon
  fi

  if [ $bond_mode = active-backup -o $bond_mode = 1 ]
  then
    [ $bond_primary ] && echo "$bond_primary" > primary
  fi

  if [ $bond_mode = 802.3ad -o $bond_mode = 4 ]
  then
    eval bond_lacp_rate='$BONDING_DEV_'$bond_idx'_LACP_RATE'
    : ${bond_lacp_rate:=slow}
    echo "$bond_lacp_rate" > lacp_rate
  fi

  [ $bond_mac ] && ip link set dev $bond_dev_name addr $bond_mac

  ip link set dev $bond_dev_name up

  eval bond_devn='$BONDING_DEV_'$bond_idx'_DEV_N'
  for bond_ddx in `seq 1 $bond_devn`
  do
    eval dev='$BONDING_DEV_'$bond_idx'_DEV_'$bond_ddx
    echo "+$dev" > slaves
  done

done

end_script

fi