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- #!/bin/sh
- . /lib/functions/system.sh
- . /lib/ar71xx.sh
- do_patch_ath10k_firmware() {
- local firmware_file="/lib/firmware/ath10k/QCA988X/hw2.0/firmware-5.bin"
- # bail out if firmware does not exist
- [ -f "$firmware_file" ] || {
- return
- }
- local mac_offset=276
- local mac_length=6
- local default_mac="00:03:07:12:34:56"
- local current_mac="$(hexdump -v -n $mac_length -s $mac_offset -e '5/1 "%02x:" 1/1 "%02x"' $firmware_file 2>/dev/null)"
- # check if mac address was already patched
- [ "$default_mac" = "$current_mac" ] || {
- return
- }
- # some boards have bogus mac in otp (= directly in the PCIe card's EEPROM).
- # we have to patch the default mac in the firmware because we cannot change
- # the otp.
- case $(ar71xx_board_name) in
- dgl-5500-a1 | tew-823dru)
- local mac
- mac=$(mtd_get_mac_ascii nvram wlan1_mac)
- cp $firmware_file /tmp/ath10k-firmware.bin
- macaddr_2bin $mac | dd of=/tmp/ath10k-firmware.bin \
- conv=notrunc bs=1 seek=$mac_offset count=$mac_length
- ;;
- esac
- [ -f /tmp/ath10k-firmware.bin ] || {
- return
- }
- cp /tmp/ath10k-firmware.bin $firmware_file
- rm /tmp/ath10k-firmware.bin
- }
- check_patch_ath10k_firmware() {
- case $(ar71xx_board_name) in
- dgl-5500-a1 | tew-823dru)
- do_patch_ath10k_firmware
- ;;
- esac
- }
- boot_hook_add preinit_main check_patch_ath10k_firmware
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