4456dd4660
The Unifi AC Mesh is equivalent to the Unifi AC Lite. However, for setting certain parameters with the flashed device it is helpful that the devices know their variant (e.g. automatically setting antenna gain for the different antennas in Lite and Mesh). Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
119 lines
2.6 KiB
Bash
119 lines
2.6 KiB
Bash
#!/bin/sh
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. /lib/functions/k2t.sh
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# xor multiple hex values of the same length
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xor() {
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local val
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local ret="0x$1"
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local retlen=${#1}
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shift
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while [ -n "$1" ]; do
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val="0x$1"
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ret=$((ret ^ val))
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shift
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done
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printf "%0${retlen}x" "$ret"
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}
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ath10kcal_die() {
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echo "ath10cal: " "$*"
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exit 1
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}
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ath10kcal_from_file() {
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local source=$1
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local offset=$2
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local count=$3
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dd if=$source of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
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ath10kcal_die "failed to extract calibration data from $source"
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}
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ath10kcal_extract() {
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local part=$1
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local offset=$2
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local count=$3
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local mtd
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mtd=$(find_mtd_chardev $part)
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[ -n "$mtd" ] || \
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ath10kcal_die "no mtd device found for partition $part"
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dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
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ath10kcal_die "failed to extract calibration data from $mtd"
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}
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ath10kcal_patch_mac() {
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local mac=$1
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[ -z "$mac" ] && return
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macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=6 count=6
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}
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ath10kcal_patch_mac_crc() {
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local mac=$1
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local mac_offset=6
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local chksum_offset=2
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local xor_mac
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local xor_fw_mac
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local xor_fw_chksum
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xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
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xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
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ath10kcal_patch_mac "$mac" && {
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xor_mac=${mac//:/}
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xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
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xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
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xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
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printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
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dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
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}
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}
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[ -e /lib/firmware/$FIRMWARE ] && exit 0
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. /lib/functions.sh
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. /lib/functions/system.sh
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board=$(board_name)
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case "$FIRMWARE" in
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"ath10k/cal-pci-0000:00:00.0.bin")
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case $board in
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"openmesh,om5p-ac-v2")
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ath10kcal_extract "ART" 20480 2116
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ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +16)
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;;
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"tplink,tl-archer-c7-v2")
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ath10kcal_extract "art" 20480 2116
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ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth1/address) -2)
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;;
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"ubnt,unifiac-lite"|\
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"ubnt,unifiac-mesh"|\
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"ubnt,unifiac-pro")
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ath10kcal_extract "EEPROM" 20480 2116
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;;
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esac
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;;
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"ath10k/pre-cal-pci-0000:00:00.0.bin")
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case $board in
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phicomm,k2t)
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ath10kcal_extract "art" 20480 12064
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ath10kcal_patch_mac_crc $(k2t_get_mac "5g_mac")
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ln -sf /lib/firmware/ath10k/pre-cal-pci-0000\:00\:00.0.bin \
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/lib/firmware/ath10k/QCA9888/hw2.0/board.bin
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;;
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esac
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;;
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*)
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exit 1
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;;
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esac
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