openwrt/package/base-files/default/sbin/ifup

   1 #!/bin/sh
   2 [ $# = 0 ] && { echo "  $0 <group>"; exit; }
   3 . /etc/functions.sh
   4 . /etc/network.overrides
   5 [ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network
   6
   7 ifdown $1
   8
   9 debug "### ifup $type ###"
  10 type=$1
  11
  12 if_proto=$(nvram get ${type}_proto)
  13 if=$(nvram get ${type}_ifname)
  14
  15 case "$if_proto" in
  16         pppoa) hotplug_dev register atm0; exit 0 ;;
  17         pppoe)
  18                 ifconfig nas0 2>&- >&- || {
  19                         hotplug_dev register atm0
  20                         exit 0
  21                 }
  22         ;;
  23         none|"") exit 0;;
  24 esac
  25
  26 [ "${if%%[0-9]*}" = "ppp" ] && if="$(nvram get ${if_proto}_ifname)"
  27
  28 if [ "${if%%[0-9]}" = "br" ]; then
  29         for sif in $(nvram get ${type}_ifnames); do
  30                 hotplug_dev register "$sif"
  31         done
  32 else
  33         hotplug_dev register "$if"
  34 fi