OpenWrt – Rev 4
?pathlinks?
#!/bin/sh
# xor multiple hex values of the same length
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"
}
ath10kcal_die() {
echo "ath10cal: " "$*"
exit 1
}
ath10kcal_extract() {
local part=$1
local offset=$2
local count=$3
local mtd
mtd=$(find_mtd_chardev $part)
[ -n "$mtd" ] || \
ath10kcal_die "no mtd device found for partition $part"
dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
ath10kcal_die "failed to extract calibration data from $mtd"
}
ath10kcal_ubi_extract() {
local part=$1
local offset=$2
local count=$3
local ubidev
local ubi
. /lib/upgrade/nand.sh
ubidev=$(nand_find_ubi $CI_UBIPART)
ubi=$(nand_find_volume $ubidev $part)
[ -n "$ubi" ] || \
ath10kcal_die "no UBI volume found for $part"
dd if=/dev/$ubi of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
ath10kcal_die "failed to extract from $ubi"
}
ath10kcal_patch_mac() {
local mac=$1
[ -z "$mac" ] && return
macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=6 count=6
}
ath10kcal_patch_mac_crc() {
local mac=$1
local mac_offset=6
local chksum_offset=2
local xor_mac
local xor_fw_mac
local xor_fw_chksum
xor_fw_mac=$(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} ${xor_fw_mac:8:4}"
ath10kcal_patch_mac "$mac" && {
xor_mac=${mac//:/}
xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
xor_fw_chksum=$(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
}
}
ath10kcal_is_caldata_valid() {
local expected="$1"
magic=$(hexdump -v -n 2 -e '1/1 "%02x"' /lib/firmware/$FIRMWARE)
[[ "$magic" == "$expected" ]]
return $?
}
[ -e /lib/firmware/$FIRMWARE ] && exit 0
. /lib/functions.sh
. /lib/functions/system.sh
board=$(board_name)
case "$FIRMWARE" in
"ath10k/cal-pci-0000:01:00.0.bin")
case "$board" in
meraki,mr33)
ath10kcal_ubi_extract "ART" 36864 2116
ath10kcal_is_caldata_valid "4408" || ath10kcal_extract "ART" 36864 2116
ath10kcal_patch_mac $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 102) +1)
;;
esac
;;
"ath10k/pre-cal-pci-0000:01:00.0.bin")
case "$board" in
openmesh,a62)
ath10kcal_extract "0:ART" 36864 12064
;;
esac
;;
"ath10k/pre-cal-ahb-a000000.wifi.bin")
case "$board" in
8dev,jalapeno |\
glinet,gl-b1300 |\
qcom,ap-dk01.1-c1)
ath10kcal_extract "ART" 4096 12064
;;
asus,rt-ac58u)
CI_UBIPART=UBI_DEV
ath10kcal_ubi_extract "Factory" 4096 12064
;;
avm,fritzbox-4040)
/usr/bin/fritz_cal_extract -i 1 -s 0x400 -e 0x207 -l 12064 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader_config")
;;
meraki,mr33)
ath10kcal_ubi_extract "ART" 4096 12064
ath10kcal_is_caldata_valid "202f" || ath10kcal_extract "ART" 4096 12064
ath10kcal_patch_mac_crc $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 102) +2)
;;
netgear,ex6100v2 |\
netgear,ex6150v2)
ath10kcal_extract "ART" 4096 12064
ath10kcal_patch_mac_crc $(mtd_get_mac_binary dnidata 0)
;;
compex,wpj428 |\
openmesh,a42 |\
openmesh,a62)
ath10kcal_extract "0:ART" 4096 12064
;;
zyxel,wre6606)
ath10kcal_extract "ART" 4096 12064
ath10kcal_patch_mac_crc $(macaddr_add $(cat /sys/class/net/eth0/address) -2)
;;
esac
;;
"ath10k/pre-cal-ahb-a800000.wifi.bin")
case "$board" in
8dev,jalapeno |\
glinet,gl-b1300 |\
qcom,ap-dk01.1-c1)
ath10kcal_extract "ART" 20480 12064
;;
asus,rt-ac58u)
CI_UBIPART=UBI_DEV
ath10kcal_ubi_extract "Factory" 20480 12064
;;
avm,fritzbox-4040)
/usr/bin/fritz_cal_extract -i 1 -s 0x400 -e 0x208 -l 12064 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader_config")
;;
meraki,mr33)
ath10kcal_ubi_extract "ART" 20480 12064
ath10kcal_is_caldata_valid "202f" || ath10kcal_extract "ART" 20480 12064
ath10kcal_patch_mac_crc $(macaddr_add $(get_mac_binary "/sys/bus/i2c/devices/0-0050/eeprom" 102) +3)
;;
netgear,ex6100v2 |\
netgear,ex6150v2)
ath10kcal_extract "ART" 20480 12064
ath10kcal_patch_mac_crc $(mtd_get_mac_binary dnidata 12)
;;
compex,wpj428 |\
openmesh,a42 |\
openmesh,a62)
ath10kcal_extract "0:ART" 20480 12064
;;
zyxel,wre6606)
ath10kcal_extract "ART" 20480 12064
ath10kcal_patch_mac_crc $(macaddr_add $(cat /sys/class/net/eth0/address) -1)
;;
esac
;;
*)
exit 1
;;
esac