openwrt/package/base-files/default/etc/init.d/S05nvram

   1 #!/bin/sh
   2 # NVRAM setup
   3 #
   4 # This file handles the NVRAM quirks of various hardware.
   5
   6 alias debug=${DEBUG:-:}
   7
   8 remap () {
   9         for type in lan wifi wan pppoe
  10         do
  11                 for s in '' s
  12                 do
  13                         eval nvram set ${type}_ifname$s=\"$(nvram get ${type}_ifname$s|sed s/$1/$2/g)\"
  14                 done
  15         done
  16 }
  17
  18 nvram_default() {
  19         [ -z "$(nvram get $1)" ] && nvram set "$1=$2"
  20 }
  21
  22 nvram_set() { # for the linksys fixup part
  23         [ "$(nvram get "$1")" = "$2" -a "$2" != "" ] || {
  24                 COMMIT=1
  25                 /usr/sbin/nvram set "$1=$2"
  26         }
  27 }
  28
  29 fixup_lan() { # fix for wrong lan_ifnames default
  30         lan_ifnames="$(nvram get lan_ifnames)"
  31         [ "${lan_ifnames%% *}" = "$1" ] || \
  32                 nvram set lan_ifnames="$2"
  33 }
  34
  35 # work around braindead CFE defaults in linksys routers
  36 boardtype=$(nvram get boardtype)
  37 boardnum=$(nvram get boardnum)
  38 boardflags=$(($(nvram get boardflags)))
  39 adm_switch="$(( ($boardflags & 0x80) >> 7 ))"
  40
  41 [ -n "$(nvram get vxkilled)" ] && boardtype=0 # don't mess with the ram settings on the hacked cfe
  42 case "$(( $boardtype ))" in
  43         "1800") #0x708
  44                 if [ "$adm_switch" = 0 ]; then
  45                         nvram_set sdram_init "$(printf 0x%04x $(( $(/usr/sbin/nvram get sdram_init) | 0x0100 )))"
  46                         [ "$COMMIT" = 1 ] && {
  47                                 nvram_set clkfreq 216
  48                                 nvram_set sdram_ncdl 0x0
  49                                 nvram_set pa0itssit 62
  50                                 nvram_set pa0b0 0x15eb
  51                                 nvram_set pa0b1 0xfa82
  52                                 nvram_set pa0b2 0xfe66
  53                                 nvram_set pa0maxpwr 0x4e
  54                         }
  55                 fi
  56         ;;
  57         "1127") #0x467
  58                 nvram_set sdram_init "$(printf 0x%04x $(( $(/usr/sbin/nvram get sdram_init) | 0x0100 )))"
  59                 [ "$COMMIT" = 1 ] && {
  60                         nvram_set sdram_ncdl 0x0
  61                         nvram_set pa0itssit 62
  62                         nvram_set pa0b0 0x168b
  63                         nvram_set pa0b1 0xfabf
  64                         nvram_set pa0b2 0xfeaf
  65                         nvram_set pa0maxpwr 0x4e
  66                 }
  67         ;;
  68 esac
  69 [ "$COMMIT" = "1" ] && nvram commit
  70
  71 # linksys bug; use 'dhcpclient' or similar as lan_proto if you want to use dhcp
  72 [ "$(nvram get lan_proto)" = "dhcp" ] && nvram unset lan_proto
  73 nvram_default lan_proto static
  74
  75 # hacks for wrt54g 1.x hardware
  76 [  "$boardnum"  = "42" \
  77 -a "$boardtype" = "bcm94710dev" ] && {
  78         debug "### wrt54g 1.x hack ###"
  79         remap eth0 vlan2
  80         remap eth1 vlan1
  81         nvram_default vlan1hwname "et0"
  82         nvram_default vlan2hwname "et0"
  83         nvram_default lan_ifnames "vlan2 eth2"
  84 }
  85
  86 # hacks for asus wl-500g deluxe
  87 [  "$boardnum"  = "45" \
  88 -a "$boardtype" = "bcm95365r" ] && {
  89         debug "### wl-500g deluxe hacks ###"
  90         remap eth0.1 vlan0
  91         remap eth0 vlan1
  92         nvram_default vlan0hwname "et0"
  93         nvram_default vlan1hwname "et0"
  94         nvram_default lan_ifnames "vlan0 eth1"
  95
  96         # set up the vlan*ports variables for the asus wl-500g deluxe
  97         # if they don't already exist
  98         nvram_default vlan0ports "1 2 3 4 5*"
  99         nvram_default vlan1ports "0 5"
 100 }
 101
 102 # wl-500g premium
 103 [  "$boardnum"  = "45" \
 104 -a "$boardtype" = "0x042f" ] && {
 105         debug "### wl-500g premium hacks ###"
 106         remap eth0.1 vlan0
 107         remap eth0 vlan1
 108
 109         nvram_default lan_ifnames "vlan0 eth2"
 110         nvram_default wan_ifname "vlan1"
 111
 112         nvram_default vlan0hwname "et0"
 113         nvram_default vlan1hwname "et0"
 114
 115         # set up the vlan*ports variables for the asus wl-500g premium
 116         # if they don't already exist
 117         nvram_default vlan0ports "1 2 3 4 5*"
 118         nvram_default vlan1ports "0 5"
 119 }
 120
 121 # hacks for asus
 122 [ "$boardnum" = "asusX" ] && {
 123         debug "### asus hacks ###"
 124         case "$(($(nvram get et1phyaddr)))" in
 125                 1) # WL-HDD
 126                         lan=eth1
 127                         wan=none
 128                 ;;
 129                 *)
 130                         lan=eth0
 131                         [ "$boardtype" = "bcm94710dev" ] && wan=eth1 || wan=none
 132                 ;;
 133         esac
 134
 135         fixup_lan "$lan" "$lan eth2"
 136         nvram_default wan_ifname "$wan"
 137 }
 138
 139 # hacks for wap54g hardware
 140 [  "$boardnum" = "2" \
 141 -o "$boardnum" = "1024" ] && {
 142         debug "### wap54g hack ###"
 143         nvram_default wan_ifname "none"
 144         nvram_default lan_ifnames "eth0 eth1"
 145 }
 146
 147 # hacks for buffalo wla2-g54l
 148 [  "$boardnum" = "00" \
 149 -a "$product_name" = "Product_name" \
 150 -o "$product_name" = "WLA2-G54L" ] && {
 151         debug "### wla2-g54l hacks ###"
 152         nvram_default wan_ifname "none"
 153         fixup_lan "vlan0" "vlan0 eth1"
 154 }
 155
 156 # wrtsl54gs vlan defaults
 157 [  "$boardtype" = "0x042f" \
 158 -a "$boardnum" = "42" \
 159 -a "$boardflags" = "24" ] && {
 160         nvram_default vlan0hwname "et0"
 161         nvram_default vlan0ports "0 1 2 3 5u"
 162         nvram_default vlan1hwname "et0"
 163         nvram_default vlan1ports "4 5"
 164         nvram_default lan_proto "static"
 165         nvram_default lan_ifnames "eth0 eth2"
 166         nvram_default wan_ifname "eth1"
 167         nvram_default wan_device "eth1"
 168 }
 169
 170 # needed at least for wrt54gs v1.1 and wrt54g v2.0, v2.2
 171 [ \! -z "$(nvram get boardrev)" ] && {
 172         nvram_default wl0id 0x4320
 173 }
 174
 175 # hack for some motorola routers
 176 nvram unset wl0gpio0
 177
 178 # defaults, can be overridden by hardware-specific nvram_default commands
 179 nvram_default lan_ifname "br0"
 180 nvram_default lan_ifnames "vlan0 eth1 eth2"
 181
 182 nvram_default wan_ifname "vlan1"
 183 nvram_default wan_device "vlan1"
 184 nvram_default wan_proto "dhcp"
 185
 186 nvram_default wl0_ssid OpenWrt
 187 nvram_default wl0_mode ap
 188 nvram_default wl0_infra 1
 189 nvram_default wl0_radio 1
 190
 191 WAN_PROTO="$(nvram get wan_proto)"
 192 WAN_IFNAME="$(nvram get wan_ifname)"
 193 case "$WAN_PROTO" in
 194         pp*) [ "${WAN_IFNAME%%[0-9]*}" = "ppp" ] || nvram set wan_ifname=ppp0;;
 195         *) [ "${WAN_IFNAME%%[0-9]*}" = "ppp" ] && nvram set wan_ifname="$(nvram get wan_device)";;
 196 esac
 197
 198 [ "$(nvram get il0macaddr)" = "00:90:4c:5f:00:2a" ] && {
 199         # if default wifi mac, set two higher than the lan mac
 200         nvram set il0macaddr=$(nvram get et0macaddr|
 201         awk '{OFS=FS=":";for(x=7,y=2;--x;){$x=sprintf("%02x",(y+="0x"$x)%256);y/=256}print}')
 202 }