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144 lines
3.5 KiB
Bash
144 lines
3.5 KiB
Bash
#!/bin/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_crc() {
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local mac=$1
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local mac_offset=6
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local chksum_offset=2
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local xor_mac
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local xor_fw_mac
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local xor_fw_chksum
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[ -z "$mac" ] && return
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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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macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=6 count=6
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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=$chksum_offset count=2
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}
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[ -e /lib/firmware/$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/pre-cal-pci-0000:01:00.0.bin")
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case $board in
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linksys,ea8500)
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ath10kcal_extract "art" 4096 12064
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ath10kcal_patch_mac_crc $(macaddr_add $(mtd_get_mac_ascii devinfo hw_mac_addr) +1)
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;;
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nec,wg2600hp)
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ath10kcal_extract "ART" 4096 12064
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ath10kcal_patch_mac_crc $(macaddr_add $(mtd_get_mac_binary PRODUCTDATA 12) +1)
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;;
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netgear,d7800 |\
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netgear,r7500v2 |\
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netgear,r7800)
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ath10kcal_extract "art" 4096 12064
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ath10kcal_patch_mac_crc $(macaddr_add $(mtd_get_mac_binary art 6) +1)
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;;
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tplink,c2600)
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ath10kcal_extract "radio" 4096 12064
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ath10kcal_patch_mac_crc $(macaddr_add $(mtd_get_mac_binary default-mac 8) -1)
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;;
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tplink,vr2600v)
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ath10kcal_extract "ART" 4096 12064
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ath10kcal_patch_mac_crc $(macaddr_add $(mtd_get_mac_binary default-mac 0) -1)
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;;
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zyxel,nbg6817)
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ath10kcal_extract "0:ART" 4096 12064
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ath10kcal_patch_mac_crc $(macaddr_add $(mtd_get_mac_ascii 0:APPSBLENV ethaddr) +1)
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;;
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esac
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;;
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"ath10k/pre-cal-pci-0001:01:00.0.bin")
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case $board in
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linksys,ea8500)
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ath10kcal_extract "art" 20480 12064
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ath10kcal_patch_mac_crc $(macaddr_add $(mtd_get_mac_ascii devinfo hw_mac_addr) +2)
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;;
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nec,wg2600hp)
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ath10kcal_extract "ART" 20480 12064
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ath10kcal_patch_mac_crc $(mtd_get_mac_binary PRODUCTDATA 12)
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;;
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netgear,d7800 |\
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netgear,r7500v2 |\
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netgear,r7800)
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ath10kcal_extract "art" 20480 12064
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ath10kcal_patch_mac_crc $(macaddr_add $(mtd_get_mac_binary art 6) +2)
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;;
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tplink,c2600)
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ath10kcal_extract "radio" 20480 12064
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ath10kcal_patch_mac_crc $(mtd_get_mac_binary default-mac 8)
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;;
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tplink,vr2600v)
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ath10kcal_extract "ART" 20480 12064
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ath10kcal_patch_mac_crc $(mtd_get_mac_binary default-mac 0)
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;;
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zyxel,nbg6817)
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ath10kcal_extract "0:ART" 20480 12064
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ath10kcal_patch_mac_crc $(mtd_get_mac_ascii 0:APPSBLENV ethaddr)
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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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