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

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