4 # This file handles the NVRAM quirks of various hardware.
6 alias debug
=${DEBUG:-:}
9 for type in lan wifi wan pppoe
13 eval nvram
set ${type}_ifname
$s=\"$
(nvram get
${type}_ifname
$s|
sed s
/$1/$2/g
)\"
19 [ -z "$(nvram get $1)" ] && nvram
set "$1=$2"
22 nvram_set
() { # for the linksys fixup part
23 [ "$(nvram get "$1")" = "$2" -a "$2" != "" ] ||
{
25 /usr
/sbin
/nvram
set "$1=$2"
29 fixup_lan
() { # fix for wrong lan_ifnames default
30 lan_ifnames
="$(nvram get lan_ifnames)"
31 [ "${lan_ifnames%% *}" = "$1" ] || \
32 nvram
set lan_ifnames
="$2"
35 # work around braindead CFE defaults in linksys routers
36 boardtype
=$
(nvram get boardtype
)
37 boardnum
=$
(nvram get boardnum
)
38 boardflags
=$
(($
(nvram get boardflags
)))
39 adm_switch
="$(( ($boardflags & 0x80) >> 7 ))"
41 [ -n "$(nvram get vxkilled)" ] && boardtype
=0 # don't mess with the ram settings on the hacked cfe
42 case "$(( $boardtype ))" in
44 if [ "$adm_switch" = 0 ]; then
45 nvram_set sdram_init
"$(printf 0x%04x $(( $(/usr/sbin/nvram get sdram_init) | 0x0100 )))"
46 [ "$COMMIT" = 1 ] && {
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
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
69 [ "$COMMIT" = "1" ] && nvram commit
71 # linksys bug; use 'dhcpclient' or similar as lan_proto if you want to use dhcp
72 [ "$(nvram get lan_proto)" = "dhcp" ] && nvram
unset lan_proto
73 nvram_default lan_proto static
75 # hacks for wrt54g 1.x hardware
76 [ "$boardnum" = "42" \
77 -a "$boardtype" = "bcm94710dev" ] && {
78 debug
"### wrt54g 1.x hack ###"
81 nvram_default vlan1hwname
"et0"
82 nvram_default vlan2hwname
"et0"
83 nvram_default lan_ifnames
"vlan2 eth2"
86 # hacks for asus wl-500g deluxe
87 [ "$boardnum" = "45" \
88 -a "$boardtype" = "bcm95365r" ] && {
89 debug
"### wl-500g deluxe hacks ###"
92 nvram_default vlan0hwname
"et0"
93 nvram_default vlan1hwname
"et0"
94 nvram_default lan_ifnames
"vlan0 eth1"
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"
103 [ "$boardnum" = "45" \
104 -a "$boardtype" = "0x042f" ] && {
105 debug
"### wl-500g premium hacks ###"
109 nvram_default lan_ifnames
"vlan0 eth2"
110 nvram_default wan_ifname
"vlan1"
112 nvram_default vlan0hwname
"et0"
113 nvram_default vlan1hwname
"et0"
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"
122 [ "$boardnum" = "asusX" ] && {
123 debug
"### asus hacks ###"
124 case "$(($(nvram get et1phyaddr)))" in
131 [ "$boardtype" = "bcm94710dev" ] && wan
=eth1 || wan
=none
135 fixup_lan
"$lan" "$lan eth2"
136 nvram_default wan_ifname
"$wan"
139 # hacks for wap54g hardware
140 [ "$boardnum" = "2" \
141 -o "$boardnum" = "1024" ] && {
142 debug
"### wap54g hack ###"
143 nvram_default wan_ifname
"none"
144 nvram_default lan_ifnames
"eth0 eth1"
147 # hacks for buffalo wla2-g54l
148 [ "$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"
156 # wrtsl54gs vlan defaults
157 [ "$boardtype" = "0x042f" \
158 -a "$boardnum" = "42" \
159 -a "$boardflags" = "24" ] && {
160 nvram_default vlan0hwname
"et0"
161 nvram_default vlan0ports
"0 1 2 3 5u"
162 nvram_default vlan1hwname
"et0"
163 nvram_default vlan1ports
"4 5"
164 nvram_default lan_proto
"static"
165 nvram_default lan_ifnames
"eth0 eth2"
166 nvram_default wan_ifname
"eth1"
167 nvram_default wan_device
"eth1"
170 # needed at least for wrt54gs v1.1 and wrt54g v2.0, v2.2
171 [ \
! -z "$(nvram get boardrev)" ] && {
172 nvram_default wl0id
0x4320
175 # hack for some motorola routers
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"
182 nvram_default wan_ifname
"vlan1"
183 nvram_default wan_device
"vlan1"
184 nvram_default wan_proto
"dhcp"
186 nvram_default wl0_ssid OpenWrt
187 nvram_default wl0_mode ap
188 nvram_default wl0_infra
1
189 nvram_default wl0_radio
1
191 WAN_PROTO
="$(nvram get wan_proto)"
192 WAN_IFNAME
="$(nvram get wan_ifname)"
194 pp
*) [ "${WAN_IFNAME%%[0-9]*}" = "ppp" ] || nvram
set wan_ifname
=ppp0
;;
195 *) [ "${WAN_IFNAME%%[0-9]*}" = "ppp" ] && nvram
set wan_ifname
="$(nvram get wan_device)";;
198 [ "$(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}')