openwrt-xburst/openwrt/target/default/target_skeleton/etc/nvram.overrides

# NVRAM overrides
#
# This file handles the NVRAM quirks of various hardware.
# THIS FILE IS NOT A REPLACEMENT FOR NVRAM

[ "$(nvram get boardnum)"  = "asusX" ] && \
  [ "$(nvram get boardtype)"  = "bcm94710dev" ] && {
  asus=1
}

# linksys bug; remove when not using static configuration for lan
NVRAM_lan_proto="static"

# hacks for wrt54g 1.x hardware
[ "$(nvram get boardnum)"  = "42" ] && \
[ "$(nvram get boardtype)" = "bcm94710dev" ] && {

  # remap eth0 => vlan2, eth1 => vlan1
  # for all *_ifname(s)

  debug "### wrt54g 1.x hack ###"
  NVRAM_vlan1hwname="et0"
  NVRAM_vlan2hwname="et0"
  FAILSAFE_ifnames="vlan1 vlan2 eth2"

  remap () {
    eval NVRAM_$1=\"$(nvram get $1 | awk 'gsub("eth0","vlan2") gsub("eth1","vlan1")')\"
  }

  for type in lan wifi wan pppoe
  do
    remap ${type}_ifname
    remap ${type}_ifnames
  done
}

# hacks for wap54g hardware
[ "$(nvram get boardnum)"  = "2" ] || \
[ "$(nvram get boardnum)"  = "1024" ] && {
  debug "### wap54g hack ###"
  NVRAM_wan_ifname="none"
  FAILSAFE_ifnames="eth0 eth1"
}

# hack for asus wl-500g hardware
[ $asus ] && {
    FAILSAFE_lan_ifnames="eth0 eth2"
}

# defaults if lan_ifname is missing
[ -z "$(nvram get lan_ifname)" ] && {
  NVRAM_lan_ifname="br0"
  NVRAM_lan_ifnames=${FAILSAFE_lan_ifnames:-"vlan0 vlan2 eth1 eth2 eth3"}
}

# defaults if wan_ifname is missing
[ -z "$(nvram get wan_ifname)" ] && {
   NVRAM_wan_ifname="vlan1"
   NVRAM_wan_proto="dhcp"
   [ "$asus" ] && {
     NVRAM_wan_ifname="eth1"
   }
}

# failsafe if reset is held
[ "$FAILSAFE" = "true" ] && {
  echo "### YOU ARE IN FAILSAFE MODE ####"
  NVRAM_lan_ifname="br0"
  NVRAM_lan_ifnames=${FAILSAFE_ifnames:-"vlan0 vlan1 eth1"}
  NVRAM_lan_ipaddr="192.168.1.1"
  NVRAM_lan_netmask="255.255.255.0"
  NVRAM_lan_hwaddr="00:0B:AD:0A:DD:00"
  NVRAM_wan_ifname="none"
  NVRAM_wifi_ifname="none"
}