split b44 patches, add performance patch from oleg, need more testing on some other...

[openwrt.git] / root / etc / functions.sh

diff --git a/root/etc/functions.sh b/root/etc/functions.sh
index 1cf97e3..79db1da 100755 (executable)
--- a/root/etc/functions.sh
+++ b/root/etc/functions.sh
@@ -1,118 +1,26 @@
-#!/bin/sh
+#!/bin/ash
 
-. /etc/nvram.overrides
-
-debug () {
- [ -z "$DEBUG" ] || echo $1
-}
+alias debug=${DEBUG:-:}
 
-# allow env to override nvram 
+# allow env to override nvram
 nvram_get () {
  eval "echo \${$1:-\$(nvram get $1)}"
 }
+. /etc/nvram.overrides
 
 # valid interface?
 if_valid () (
   [ "${1%%[0-9]}" = "vlan" ] && {
-    i=${1#vlan} 
+    i=${1#vlan}
     hwname=$(nvram_get vlan${i}hwname)
     hwaddr=$(nvram_get ${hwname}macaddr)
     [ -z "$hwaddr" ] && return 1
 
-    vif=$(ifconfig -a | awk '{IGNORECASE=1} /^eth.*'$hwaddr'/ {print $1; exit}')
+    vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1)
     debug "# vlan$i: $hwname $hwaddr => $vif"
 
     $DEBUG ifconfig $vif up
     $DEBUG vconfig add $vif $i 2>/dev/null
   }
-  ifconfig "$1" >/dev/null 2>&1 || [ "${1%%[0-9]}" = "br" ] 
-  return $?
-)
-
-wifi () (
-  debug "### wifi $1 ###"
-  if=$(awk 'gsub(":","") {print $1}' /proc/net/wireless)
-  $DEBUG wlconf $if $1 
-)
-
-ifup () (
-  type=$1
-  debug "### ifup $type ###"
-  
-  if=$(nvram_get ${type}_ifname)
-  if [ "${if%%[0-9]}" = "ppp" ]; then
-    if=$(nvram_get pppoe_ifname) 
-  fi
-  
-  if_valid $if || return
-  
-  $DEBUG ifconfig $if down
-  if [ "${if%%[0-9]}" = "br" ]; then
-    stp=$(nvram_get ${type}_stp)
-    $DEBUG brctl delbr $if
-    $DEBUG brctl addbr $if
-    $DEBUG brctl setfd $if 0
-    $DEBUG brctl stp $if $stp
-    if_list=$(nvram_get ${type}_ifnames)
-    for sif in $if_list; do {
-      if_valid $sif || continue
-      $DEBUG ifconfig $sif 0.0.0.0 up
-      $DEBUG brctl addif $if $sif 
-    } done
-  fi
-
-  if_mac=$(nvram_get ${type}_hwaddr)
-  [ -z "$if_mac" ] || $DEBUG ifconfig $if hw ether $if_mac
- 
-  if_proto=$(nvram_get ${type}_proto)
-  case "$if_proto" in
-    static)
-      if_ip=$(nvram_get ${type}_ipaddr)
-      if_netmask=$(nvram_get ${type}_netmask)
-      if_gateway=$(nvram_get ${type}_gateway)
-      
-      ipcalc -s "$if_ip"      || return 
-      ipcalc -s "$if_netmask" || return 
-      $DEBUG ifconfig $if $if_ip netmask $if_netmask up
-
-      ipcalc -s "$if_gateway" || return 
-      $DEBUG route add default gw $if_gateway
-
-      [ -f /etc/resolv.conf ] && return
-
-      debug "# --- creating /etc/resolv.conf ---"
-      for dns in $(nvram_get ${type}_dns); do {
-       echo "nameserver $dns" >> /etc/resolv.conf
-      } done
-    ;;
-    dhcp)
-      pidfile=/tmp/dhcp-${type}.pid
-      if [ -f $pidfile ]; then
-        $DEBUG kill $(cat $pidfile)
-      fi
-      cmd="udhcpc -i $if -b -p $pidfile &"
-      ${DEBUG:-eval} $cmd
-    ;;
-    pppoe)
-      if_username=$(nvram_get ppp_username)
-      if_password=$(nvram_get ppp_passwd)
-      if_redial=$(nvram_get ppp_redialperiod)
-      if_idletime=$(nvram_get ppp_idletime)
-      
-      $DEBUG ifconfig $if 0.0.0.0 up
-      
-      $DEBUG /sbin/pppoecd $if -u $if_username -p $if_password -i 0 -I $if_redial -T $if_idletime -k
-    ;;
-    *)
-      echo "### WARNING $if: $if_proto is not supported"
-    ;;
-  esac
-)
-
-ifdown () (                                                                       
-  type=$1
-  debug "### ifdown $type ###"
-  if=$(nvram_get ${type}_ifname)                                                
-  if_valid $if || return                                                        
-  $DEBUG ifdown $if
+  ifconfig "$1" >/dev/null 2>&1 || [ "${1%%[0-9]}" = "br" ]
 )