#!/bin/ash [ $# = 0 ] && { echo " $0 "; exit; } . /etc/functions.sh type=$1 debug "### ifup $type ###" if_proto=$(nvram get ${type}_proto) if=$(nvram get ${type}_ifname) [ "${if%%[0-9]}" = "ppp" ] && if=$(nvram get ${if_proto}_ifname) if_valid $if || exit mac=$(nvram get ${type}_hwaddr) $DEBUG ifconfig $if down 2>&- pidfile=/var/run/${if}.pid [ -f $pidfile ] && $DEBUG kill $(cat $pidfile) if [ "${if%%[0-9]}" = "br" ]; then stp=$(nvram get ${type}_stp) $DEBUG brctl delbr $if 2>&- $DEBUG brctl addbr $if $DEBUG brctl setfd $if 0 $DEBUG brctl stp $if ${stp:-0} for sif in $(nvram get ${type}_ifnames); do if_valid $sif || continue ${mac:+$DEBUG ifconfig $sif down hw ether $mac} $DEBUG ifconfig $sif 0.0.0.0 up $DEBUG brctl addif $if $sif done else ${mac:+$DEBUG ifconfig $if down hw ether $mac} fi case "$if_proto" in static) ip=$(nvram get ${type}_ipaddr) netmask=$(nvram get ${type}_netmask) gateway=$(nvram get ${type}_gateway) $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up ${gateway:+$DEBUG route add default gw $gateway} [ -f /etc/resolv.conf ] && return debug "# --- creating /etc/resolv.conf ---" for dns in $(nvram get ${type}_dns); do echo "nameserver $dns" >> /etc/resolv.conf done ;; dhcp) ip=$(nvram get ${type}_ipaddr) ${DEBUG:-eval} "udhcpc -R -i $if ${ip:+-r $ip} -b -p $pidfile &" ;; none|"") ;; *) [ -x "/sbin/ifup.${if_proto}" ] && { $DEBUG /sbin/ifup.${if_proto} $*; exit; } echo "### ifup $type: ignored ${type}_proto=\"$if_proto\" (not supported)" ;; esac