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

   1 #!/bin/sh
   2 # Copyright (C) 2006 OpenWrt.org
   3
   4 [ $# = 0 ] && { echo "  $0 <group>"; exit; }
   5 . /etc/functions.sh
   6 . /etc/config/network
   7
   8 ifdown $1
   9
  10 debug "### ifup $type ###"
  11 type=$1
  12
  13 eval "if_proto=\"\${${type}_proto}\""
  14 eval "if=\"\${${type}_ifname}\""
  15 [ "${if%%[0-9]}" = "ppp" ] && eval "if=\"\${${type}_device}\""
  16
  17 case "$if_proto" in
  18         pppoa) hotplug_dev register atm0; exit 0 ;;
  19         pppoe)
  20                 # PPPoE over ATM
  21                 [ "$if" = "nas0" ] && {
  22                         ifconfig nas0 2>&- >&- || {
  23                                 hotplug_dev register atm0
  24                                 exit 0
  25                         }
  26                 }
  27         ;;
  28         none|"") exit 0;;
  29 esac
  30
  31 if [ "${if%%[0-9]}" = "br" ]; then
  32         eval "ifnames=\"\${${type}_ifnames}\""
  33         for sif in $ifnames; do
  34                 hotplug_dev register "$sif"
  35         done
  36 else
  37         hotplug_dev register "$if"
  38 fi