1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
#!/bin/sh
[ -e /lib/firmware/$FIRMWARE ] && exit 0
. /lib/functions.sh
. /lib/functions/system.sh
ath9k_eeprom_die() {
echo "ath9k eeprom: " "$*"
exit 1
}
ath9k_eeprom_extract() {
local part=$1
local offset=$2
local count=$3
local mtd
mtd=$(find_mtd_chardev $part)
[ -n "$mtd" ] || \
ath9k_eeprom_die "no mtd device found for partition $part"
dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
ath9k_eeprom_die "failed to extract from $mtd"
}
ath9k_eeprom_extract_reverse() {
local part=$1
local offset=$2
local count=$3
local mtd
local reversed
local caldata
mtd=$(find_mtd_chardev "$part")
reversed=$(hexdump -v -s $offset -n $count -e '/1 "%02x "' $mtd)
for byte in $reversed; do
caldata="\x${byte}${caldata}"
done
printf "%b" "$caldata" > /lib/firmware/$FIRMWARE
}
xor() {
local val
local ret="0x$1"
local retlen=${#1}
shift
while [ -n "$1" ]; do
val="0x$1"
ret=$((ret ^ val))
shift
done
printf "%0${retlen}x" "$ret"
}
ath9k_patch_fw_mac() {
local mac=$1
local mac_offset=$2
local chksum_offset=$3
local xor_mac
local xor_fw_mac
local xor_fw_chksum
[ -z "$mac" -o -z "$mac_offset" ] && return
[ -n "$chksum_offset" ] && {
xor_mac=${mac//:/}
xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
}
macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$mac_offset count=6
}
ath9k_patch_fw_mac_crc() {
local mac=$1
local mac_offset=$2
local chksum_offset=$((mac_offset - 10))
ath9k_patch_fw_mac "${mac}" "${mac_offset}" "${chksum_offset}"
}
board=$(board_name)
case "$FIRMWARE" in
"ath9k-eeprom-ahb-18100000.wmac.bin")
case $board in
avm,fritz4020)
ath9k_eeprom_extract_reverse "urlader" 5441 1088
;;
iodata,wn-ac1167dgr|\
iodata,wn-ac1600dgr2)
ath9k_eeprom_extract "art" 4096 1088
ath9k_patch_fw_mac $(mtd_get_mac_ascii u-boot-env ethaddr) 2
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
"ath9k-eeprom-pci-0000:00:00.0.bin")
case $board in
avm,fritz300e)
ath9k_eeprom_extract_reverse "urloader" 5441 1088
;;
buffalo,whr-g301n|\
tplink,tl-wr841-v5|\
tplink,tl-wr941-v4)
ath9k_eeprom_extract "art" 4096 3768
;;
ocedo,raccoon|\
tplink,tl-wdr3600|\
tplink,tl-wdr4300|\
tplink,tl-wdr4900-v2)
ath9k_eeprom_extract "art" 20480 1088
;;
netgear,wnr612-v2|\
on,n150r|\
pcs,cap324|\
tplink,tl-mr3220-v1|\
tplink,tl-mr3420-v1|\
tplink,tl-wr2543-v1|\
tplink,tl-wr740n-v1|\
tplink,tl-wr740n-v3|\
tplink,tl-wr741-v1|\
tplink,tl-wr743nd-v1|\
tplink,tl-wr841-v7|\
ubnt,bullet-m|\
ubnt,nano-m|\
ubnt,rocket-m)
ath9k_eeprom_extract "art" 4096 4096
;;
ubnt,unifi)
ath9k_eeprom_extract "art" 4096 2048
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
"ath9k-eeprom-pci-0000:00:11.0.bin")
case $board in
dlink,dir-825-b1)
ath9k_eeprom_extract "caldata" 4096 3768
ath9k_patch_fw_mac_crc $(mtd_get_mac_text "caldata" 65440) 524
;;
netgear,wndr3700|\
netgear,wndr3700v2|\
netgear,wndr3800)
ath9k_eeprom_extract "art" 4096 3768
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
"ath9k-eeprom-pci-0000:00:12.0.bin")
case $board in
dlink,dir-825-b1)
ath9k_eeprom_extract "caldata" 20480 3768
ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_text "caldata" 65460) 1) 524
;;
netgear,wndr3700|\
netgear,wndr3700v2|\
netgear,wndr3800)
ath9k_eeprom_extract "art" 20480 3768
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
esac
|
